CN109404964A - Propulsion system based on plasma coated graphite rod electrrode - Google Patents
Propulsion system based on plasma coated graphite rod electrrode Download PDFInfo
- Publication number
- CN109404964A CN109404964A CN201811157528.4A CN201811157528A CN109404964A CN 109404964 A CN109404964 A CN 109404964A CN 201811157528 A CN201811157528 A CN 201811157528A CN 109404964 A CN109404964 A CN 109404964A
- Authority
- CN
- China
- Prior art keywords
- graphite rod
- cathode assembly
- signal
- anode assemblies
- plc control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Plasma Technology (AREA)
Abstract
The invention discloses a kind of propulsion systems based on plasma coated graphite rod electrrode, including PLC control system, anode assemblies, cathode assembly, support pushing mechanism and rectification power system.Anode assemblies are the graphite rod connecting with rectification power system anode, and cathode assembly is the graphite rod connecting with rectification power system cathode.It controls that support pushing mechanism is flexible by PLC control system, realizes touching and pulling open for anode assemblies and cathode assembly, and then realize the arcing of plasma-arc between coated graphite rod electrrode.The present invention can be realized plasma-arc automatically into arc, and precision adjustment is carried out by PLC program automatically during arcing, replacement cycle is long, replacement is convenient, error caused by metal electrode replacement process can be effectively avoided, manpower, material resources are largely saved, financial resources, realization is efficient, fast and accurately forms plasma-arc.
Description
Technical field
The present invention relates to the propulsion systems based on plasma coated graphite rod electrrode, belong to plasma ignition control field.
Background technique
Petroleum resources shortage, needs import bulk petroleum every year in the energy resource structure in China, and with the global energy
Anxiety, crude oil price are also rising steadily.The igniting of large scale industry pulverized-coal fired boiler and steady combustion are mostly traditionally using burning weight
Oil realizes, therefore boiler startup and underload help fuel oil to become the important component of thermal power generation cost.In addition,
When boiler throws oil firing, a possibility that tail secondary combustion, is larger, meanwhile, to avoid uncombusted oil droplet pickup electrode, throw
Electric precipitator is typically in off-the-line state during oil.Therefore, in power plant's trial operation and starting, underrun, since electricity removes
Dirt device can not put into operation, and often visible Dark smoke billows, cause serious pollution to ambient enviroment.New technology is developed, electricity is reduced
Factory's oil consumption becomes the project that vast electric power scientific worker studies for a long period of time even without oil.
Using plasma ignition combustion technology, oil-free (or the few oil) igniting of boiler and the oil-free steady combustion of underload may be implemented,
Fuel consumption is greatly saved, reduces capital construction and cost of electricity-generating；Meanwhile electric precipitator can normally be thrown at ignition of the boiler initial stage
Enter operation, greatly reduces the discharge amount of dust, avoid environmental pollution, bring significant economic benefit and environmental benefit.
High-temperature plasma has the mechanism and feature for being different from conventional grease gun igniting as the igniting heat source of coal air mixture,
Be mainly manifested in: the hot properties of plasma can reproduce volatile matter to the heat chemistry effect of coal dust, generate low ignition point
Bi-component fuel；High-temperature plasma makes coal grain produce the oxidation of coal conjunction for freely activating base and accelerating chemical reaction
Object, the increased flame speeds of coal air mixture；High-temperature plasma makes coal grain second-time breakage form more duffs
Grain, increases the kindling surface area of coal dust, is more easier coal powder ignition, therefore plasma can be with lower firing power
Realize powerful ignition results.
Compared with traditional big grease gun igniting or igniting technology with less oil, plasma ignition system has following several big advantages:
(1) economical: using plasma ignition operation and technical maintenance expense be only expense when being lighted a fire using heavy oil 15%~
20%, for new power plant construction, up to ten million initial cost and trial operation expense can be saved；
(2) environmentally friendly: due to not using oil product when igniting, electrical dust collector device etc. can put at the initial stage of ignition, therefore, subtract
Pollution of the at the initial stage of ignition discharge volume of smoke to environment is lacked；In addition, power plant reduces the fortune of oil product using after single-fuel
Defeated and storage link, also improves the environment of power plant；
(3) efficiently: containing a large amount of chemically active particles in plasma, as atom (C, H, O), atomic group (OH, H2,
O2), ion (O2-, H2-, OH-, O-, H+) and electronics etc. can accelerate thermochemical conversion, promote fuel completely burned；
(4) advanced: power plant can be run with single-fuel, simplify system, simplify the method for operation；
(5) safety: cancel stokehold fuel system, also avoid the often various accidents as caused by fuel system naturally.
Existing plasma ignition system is all to be had the following deficiencies: using metal electrode using metal electrode
(1) realization igniting is manually controlled using artificial.Before metal electrode forms plasma-arc, require artificial
Cathode is calculated, the distance between anode is simultaneously adjusted and can form stable plasma-arc, time-consuming and laborious；
(2) time that metal electrode works normally is about 200 hours or so, and the complete needs of consumption of electrode are replaced at once,
Each replacement cycle requires metal electrode mutual disassembly and replacement consumption.Metal electrode is very multiple when dismantling installation
It is miscellaneous, because artificial replacement cannot be guaranteed opposite precision, require to carry out artificial precision adjustment, so being easy to cause error.
(3) metal electrode disassembled can only throw away the value of not recoverable, replaced metal electrode
Long-term stack also results in certain influence to environment.
Summary of the invention
Technology of the invention solves the problems, such as: having overcome the deficiencies of the prior art and provide based on plasma coated graphite rod electrrode
Propulsion system, precision adjustment is carried out by PLC program automatically, the replacement cycle is long, and replacement is convenient, can effectively avoid gold
Belong to error caused by electrode replacement process, largely save manpower, material resources, financial resources, realize efficiently, fast and accurately formed etc. from
Sub- electric arc.
The technical solution of the invention is as follows: the propulsion system based on plasma coated graphite rod electrrode, including PLC control system
System, anode assemblies, cathode assembly, support pushing mechanism and rectification power system；
Anode assemblies are the graphite rod connecting with rectification power system anode, and cathode assembly is negative with rectification power system
The graphite rod of pole connection；
Rectification power system: for the graphite rod power supply being connected；After anode assemblies and cathode assembly touch, controlled to PLC
System feedback processed touches signal in place；The voltage and current of acquisition anode assemblies and cathode assembly in real time, and feed back to PLC control
System processed；
PLC control system: when propulsion system prepares arcing, driving signal is sent to support pushing mechanism；It is receiving
After what rectification power system was fed back touches signal in place, stretch signal is sent to support construction；To rectification power system feedback
The anode assemblies and cathode assembly distance of the voltage and current and support pushing mechanism feedback of anode assemblies and cathode assembly
Carry out real-time display, when reach scheduled arcing apart from when to support pushing mechanism send stop signal；
Support pushing mechanism: when receiving driving signal, while anode assemblies and cathode assembly are pushed, touches it；It connects
When receiving stretch signal, anode assemblies and cathode assembly are pulled open, feed back anode assemblies and cathode to PLC control system in real time
The distance of component；When receiving stop signal, arcing is realized in stopping movement.
It further include air intake assembly, the anode assemblies and cathode assembly are located in closed reactor, air intake assembly and institute
Reactor connection is stated, for leading to hydrogen to reactor.
Rectification power system includes isolating transformer, DC power supply commutation system；
Isolating transformer: receiving external high pressure power supply, and power rectifier system is given in output after interference and insulation is carried out to it；
DC power supply commutation system: being rectified into DC power supply for received high voltage power supply, and the graphite rod to be connected supplies
Electricity.
The DC power supply commutation system includes control cabinet for power distribution, transformer, rectification PDM module peace wave reactance cabinet；
Control cabinet for power distribution: the voltage output of self-isolation in future transformer is to transformer；
Transformer: rectification PDM module is given in output after converting to received voltage；
Rectification PDM module: rectifying the voltage after transformer conversion, obtain the direct current electricity output with harmonic wave to
Flat wave reactance cabinet；
Flat wave reactance cabinet: the direct current with harmonic wave is rectified into stable flat wave direct current, for the graphite rod being connected
Power supply.
Supporting pushing mechanism includes support platform, servo motor, ball-screw, bellows and position sensor；
The servo motor, ball-screw, bellows are installed in support platform, and bellows is connected with ball-screw
It connects, ball-screw is connect with servo motor；
When servo motor receives the driving signal of PLC control system output, driving ball-screw moves in a circle, and rolls
Ballscrew drives bellows to stretch；When servo motor receives the stretch signal of PLC control system output, ball-screw is driven
Opposite direction circular motion is done, ball-screw drives bellows to shrink；Servo motor receives the stopping of PLC control system output
When signal, stop driving ball-screw；
The graphite rod is placed in bellows, and with the stretching and contraction of bellows, graphite rod does corresponding flexible；
Position sensor is mounted on bellows, is acquired anode assemblies and cathode assembly distance, is transmitted to PLC control system.
Further include temperature sensor, is mounted on bellows, for acquiring the temperature of cathode assembly and anode assemblies, and
It is sent to PLC control system in real time.
Further include DCS system, is communicated with PLC control system, the voltage and current of reception anode assemblies and cathode assembly,
The temperature of anode assemblies and cathode assembly distance and cathode assembly and anode assemblies, and carry out real-time display；Allow user hand
Dynamic input arcing distance, by the arcing distance output of user's input to PLC control system, PLC control system in anode assemblies and
Cathode assembly distance reach user input arcing apart from when, to support pushing mechanism send stop signal.
The DCS system further includes soft start button, can remotely start rectification power system combined floodgate or separating brake, close a floodgate
When success, driving signal, stretch signal and stop signal are sent to support pushing mechanism by PLC control system, realizes and draws
Arc；
Specific control flow is as follows:
1) soft start button is pressed, issues rectification switching signal to rectification power system；
If 2) rectification power system provides DCS system combined floodgate feedback states signal, 3) closing success enters step；If
DCS system does not receive status signal in combined floodgate feedback states signal or operation and loses in 7 seconds, then DCS system controls rectifier power source
System separating brake, this secondary control terminate；
3) when closing success, DCS system sends driving signal, electrode to support pushing mechanism by PLC control system
Start to promote；When electrode touches successfully, rectification power system provides DCS system simultaneously and PLC control system is touched and believed in place
Number；
4) DCS system control rectification power system operation is sent to support pushing mechanism by PLC control system and is stretched
Signal, controls cathode assembly and anode assemblies pull open, and is pushed away by PLC control system to support when reaching best arcing state
Motivation structure sends stop signal, arcing success；
5) DCS system control rectification power system stops working, and electrode propulsion system resets；
6) DCS system controls rectification power system separating brake, this secondary control terminates.
The cathode assembly and anode assemblies are separated with support pushing mechanism by insulating materials.
Ground terminal is arranged in the support pushing mechanism, supports pushing mechanism reliable ground for making.
Compared with prior art, the invention has the following beneficial effects:
(1) plasma coated graphite rod electrrode propulsion system of the present invention, cathode assembly and anode assemblies are all made of coated graphite rod electrrode
It realizes, realizes the adjustment of touching, arcing and precision automatically by PLC program.Igniting is manually controlled compared to metal electrode,
Artificial to calculate cathode, the distance between anode is simultaneously adjusted the mode for just forming plasma-arc, not only improves precision, but also
Save time and manpower, can efficiently, fast and accurately form plasma-arc.
(2) price of metal electrode is more than ten times of graphite rod, and the time of the work of graphite rod is about metal electrode
4 times or so, therefore, coated graphite rod electrrode is more economical practical.
(3) it only needs simply to replace graphite rod when present invention replacement electrode, compared to metal electrode, greatly drop
The complexity of low disassembly installation, while artificial precision adjustment is not needed, but realize the tune of precision automatically by PLC program
It is whole, it not will cause error.
(4) graphite rod will not impact environment, more environmentally-friendly for metal electrode.
(5) DCS system can control the progradation and rectification power system of coated graphite rod electrrode unified to a width picture
On, and the data capture management concentrated；In addition to this DCS system can be established with coated graphite rod electrrode, rectification power system
(control coated graphite rod electrrode promotes at a distance from stretching for long-range control；The combined floodgate separating brake of rectification power system is controlled, substitution is previous
Manually combined floodgate mode).It realizes that a width picture can either control, and can accomplish the function of data concentrated collection and management
Energy.
(6) DCS system sends the opportunity of stop signal according to the true directional support pushing mechanism of practical arcing state, greatly
Ground improves the flexibility of control, especially can control in time arcing by the function of DCS system when there is unusual condition
Distance realizes normal arcing, the flexibility and drawing for according to circumstances calculating new arcing distance without shutting down, therefore controlling
The reliability of arc is further enhanced.
Detailed description of the invention
Fig. 1 is propulsion system structure schematic diagram of the present invention；
Fig. 2 is support pushing mechanism structural schematic diagram；
Fig. 3 is DCS system control flow chart；
Fig. 4 is that DCS controls rectification power system and stops working flow chart.
Specific embodiment
As shown in Figure 1, the present invention is based on the propulsion system of plasma coated graphite rod electrrode, including PLC control system, anode
Component, cathode assembly, air intake assembly, support pushing mechanism and rectification power system.
Anode assemblies are the graphite rod connecting with rectification power system anode, and cathode assembly is negative with rectification power system
The graphite rod of pole connection.Two graphite rods use water-cooling pattern, to bear high arc temperature impact.
Rectification power system: for the graphite rod power supply being connected；After anode assemblies and cathode assembly touch, controlled to PLC
System feedback processed touches signal in place；The voltage and current of acquisition anode assemblies and cathode assembly in real time, and feed back to PLC control
System processed.
Two inter-electrode voltages variation it is related with the distance between two electrodes, two electrode distances from the distant to the near during,
From large to small, and in control range, trend is consistent voltage.By controlling two electrode relative motions, grope two electrode spacings
From the relationship with voltage, a set of automation control scheme is designed, write-in PLC control system controls in program.PLC after design
Control system function is as follows:
PLC control system: when propulsion system prepares arcing, driving signal is sent to support pushing mechanism；It is receiving
After what rectification power system was fed back touches signal in place, stretch signal is sent to support construction；To rectification power system feedback
The anode assemblies and cathode assembly distance of the voltage and current and support pushing mechanism feedback of anode assemblies and cathode assembly
Real-time display is carried out, sends stop signal to support pushing mechanism when reaching best arcing state.
Support pushing mechanism: when receiving driving signal, while anode assemblies and cathode assembly are pushed, touches it；It connects
When receiving stretch signal, anode assemblies and cathode assembly are pulled open, feed back anode assemblies and cathode to PLC control system in real time
The distance of component；When receiving stop signal, arcing is realized in stopping movement.
Anode assemblies and cathode assembly are located in closed reactor, and air intake assembly is connected to the reactor, for
Reactor leads to hydrogen.When arcing, the electric arc being formed between cathode assembly and anode assemblies ionizes hydrogen to be formed with high temperature
Conductive characteristic hydrogen plasma, wherein positively charged ion flows to the cathode that rectification power system cathode forms electric arc, it is negatively charged
Ion and electronics flow to rectification power system anode formed electric arc anode.
It is separated between cathode electrode and anode electrode of the present invention and support pushing mechanism using ceramic insulating material.Guarantee
Therebetween it is not electrically connected.Ceramic material heatproof is greater than 800 DEG C.
Supporting pushing mechanism includes support platform 1, servo motor 2, ball-screw 3, bellows 4 and position sensor 5.
Servo motor 2, ball-screw 3, bellows 4 are installed in support platform 1, and bellows 4 is connected with ball-screw 3, ball
Lead screw 3 is connect with servo motor 2.
When servo motor 2 receives the driving signal of PLC control system output, driving ball-screw 3 moves in a circle,
Ball-screw 3 drives bellows 4 to stretch；When servo motor 2 receives the stretch signal of PLC control system output, ball is driven
Lead screw 3 does opposite direction circular motion, and ball-screw 3 drives bellows 4 to shrink；It is defeated that servo motor 2 receives PLC control system
When stop signal out, stop driving ball-screw 3.
Graphite rod is placed in bellows 4, and with the stretching and contraction of bellows 4, graphite rod does corresponding flexible.
Position sensor 5 is mounted on bellows, and position sensor acquires anode assemblies and cathode assembly distance, is transmitted to
PLC control system.
Temperature sensor is mounted on bellows, is sent out for acquiring the temperature of cathode assembly and anode assemblies, and in real time
Give PLC control system.
Rectification power system acquires the voltage and current of anode assemblies and cathode assembly, export the signal of 4-20mA to
PLC control system.
PLC control system of the present invention includes two kinds of control models:
Start-up mode:
1) cathode, anode electrode are advanced simultaneously；
2) receiving proves that two electrodes have contacted after touching signal in place, stop advancing；
3) notice external system send main electricity；
4) cathode, anode electrode slowly retreat.Observe Current Voltage detection data；
5) stop retreating (in a certain voltage value) when reaching best arcing state；
6) arcing operation terminates.
Compensation model:
1) by operation cathode, anode electrode, guarantee to expand with heat and contract with cold in temperature, consumption of electrode when.Between two electrodes
Voltage in defined numberical range；Cathode, anode situation are observed, to decide whether electrode position caused by adjusting temperature
Variation.
2) by groping the period of cathode, anode consumption, cathode, anode electrode are periodically fed.This Period Process compared with
It is long, it can be accumulated by protracted experience.
According to the time early warning appropriate for providing consumption of electrode and finishing of consumption of electrode situation.
Rectification power system, which is used to generate, maintains plasma-arc stable DC source, including isolating transformer, direct current
Power rectifier system.Isolating transformer receives external high pressure power supply, and power rectifier system is given in output after interference and insulation is carried out to it
System.Received high voltage power supply is rectified into DC power supply by power rectifier system, for the graphite rod power supply being connected.
The main function of isolating transformer is isolation.Primary winding is connected into triangle, and 3 subharmonic is enable to pass through, and reduces
The influence of higher hamonic wave；Secondary winding is connected into star-like, and zero curve can be obtained, plasma generator is avoided to charge.
The relevant parameter of isolating transformer is as follows:
1. voltage rating: 0.38/0.36KV
2. rated power: 900KVA
3. rated frequency: 50HZ
4. the number of phases: three-phase
5. the mode of connection: Δ/Y
6. cooling wind formula: natural cooling
7. the class of insulation: F
8. dielectric level: AC3/3
9. temperature rise: 100K
10. the selection of material: 30Q130 cold rolling has grain-oriented Si steel sheet, epoxide resin vacuum casting.
DC power supply commutation system includes control cabinet for power distribution, transformer, rectification PDM module peace wave reactance cabinet.With automatically controlled
The voltage output of self-isolation in cabinet future transformer processed is to transformer；Output is to whole after transformer converts received voltage
Flow PDM module；Rectification PDM module rectifies the voltage after transformer conversion, obtain the direct current electricity output with harmonic wave to
Flat wave reactance cabinet；Direct current with harmonic wave is rectified into stable flat wave direct current by flat wave reactance cabinet, for the graphite being connected
Stick power supply.DC power supply commutation system uses high frequency control program, and adjustment duty ratio changes output voltage electric current, has control
The advantages that speed is fast, and precision is high, safe and reliable and easy to use.
Rectification power system performance indicator is as follows:
1. power supply is DC rectification power, input voltage is three-phase alternating current 380V ± 10%
2. unloaded maximum output voltage is 1800V, output voltage under input 380V voltage and output rated current >=
1500V
3. rated operational current 600A, operating mode is constant-current source, and output electric current is arbitrarily set and continuous in 0~600A
It is adjustable
4. power work efficiency >=90%
5. electrical source power factor >=0.9
6. main circuit scheme: 12-phase rectification+IGBT modulation
7. power supply have soft start function, and be equipped with the fault alarms such as over-voltage, under-voltage, overcurrent, short circuit, open circuit, overheat,
Defencive function, operation cabinet panel have the display functions such as exchange and DC voltage, electric current, fault alarm, and control is using local control
System and remote controlled manner
8. rectifier power source is in use, the harmonic wave interference caused by power grid should meet the related standard of country
9. the grade of load is level-one, can long-term stable operation
Under above-mentioned design, rectification power system realizes electricity between positive and negative two electrode by the axial movement of control graphite rod
Pressure stablizes the device in 500V, meets following require:
Electrode voltage 1500V-500V；
600 DEG C of electrode drive end temperature；
Axial push-pull effort: 20-30kgf；
Electrical isolation；
The instruction of electrode surplus；
Electrode maximum displacement 1m；
Air intake assembly is made of ceramic insulating material, and hydrogen is injected into inside reactor by its aperture.It specifically sets
Meter requires to include:
Hydrogen demands are clean and can stablize sustainable supply, and range of pressure fluctuations is less than 0.2atm.
Filter is arranged in hydrogen steam line before connecting air intake assembly, and filtering accuracy is not less than 0.1mm.
The Hydrogen Vapor Pressure value range requirement of propulsion system entrance of the present invention: 0.3~0.6MPa.
Hydrogen Vapor Pressure range is optimum arcing work condition environment condition, makes plasma-arc during arcing, is formed
Electric arc it is more stable with it is lasting.
The present invention supports pushing mechanism that ground terminal is arranged, and pushing mechanism reliable ground is supported for making, to prevent from incuding
The accumulation of charge and leakproof electrification.
Further, the invention also includes DCS systems, are communicated with PLC control system by RS485, receive anode assemblies
With the temperature of the voltage and current, anode assemblies and cathode assembly of cathode assembly distance and cathode assembly and anode assemblies, and
Carry out real-time display；Allow user to be manually entered arcing distance, the arcing distance of user's input exported to PLC control system,
PLC control system anode assemblies and cathode assembly distance reach user input arcing apart from when, to support pushing mechanism hair
Send stop signal.It further include soft start button, when the button is pressed, the signal for rectifying combined floodgate is issued；If rectifier power source
System provides one feedback states signal of DCS system, then closing success；If DCS system does not receive rectification "on" position in 7 seconds
Or lost condition in operation, then DCS control rectify separating brake；When closing success, DCS can be pushed away by PLC control system to support
Motivation structure sends driving signal, and electrode starts to promote；When electrode touches successfully, rectification power system provides DCS system simultaneously
Signal in place is touched with PLC control system；Then DCS system can control rectification operation, when running successfully, push knot to support
Structure sends stretch signal, and control coated graphite rod electrrode pulls open, and sends and stops to support pushing mechanism when reaching best arcing state
Signal, arcing success.Reactor operates normally.Process is as shown in Figure 3.
As shown in figure 4, DCS control rectification power system stops working, process is as follows: rectification power system executes stopping
Instruction；Then DCS system sends a signal to PLC system by soft control button, and PLC control system coordination electrode promotes, real
Existing electrode propulsion system resets；DCS controls rectification power system separating brake and carries out after rectification power system receives separating brake instruction
Rectify the movement of separating brake.
Corresponding chain logical specification is as follows:
"on" position: 7s cuts off energization control signal without signal interruption in return or making process after combined floodgate
It is local to control on the spot: to return to separating brake in switching and stop reset condition
Total failare: can not close a floodgate operation, first stop in operation, in separating brake reset condition
Emergency stop: switching signal is simultaneously stopped with run signal
Current interruption: DCS control rectification stops, non-shut-brake, and reset is restarted electrode starting and promoted.
The present invention is by the interlocked control of relevant parameter, to control the propulsion of coated graphite rod electrrode.Finally by voltage and graphite
The parameters relationship of distance between bar electrode realizes the arcing of plasma-arc between coated graphite rod electrrode automatically.The present invention can be effective
Avoid error caused by metal electrode replacement process, while can largely save manpower, material resources influence brought by financial resources,
It is more efficient, quickly, accurately form plasma-arc.
The content that description in the present invention is not described in detail belongs to the well-known technique of professional and technical personnel in the field.
Claims (10)
1. the propulsion system based on plasma coated graphite rod electrrode, it is characterised in that: including PLC control system, anode assemblies, cathode
Component, support pushing mechanism and rectification power system；
Anode assemblies are the graphite rod connecting with rectification power system anode, and cathode assembly is to connect with rectification power system cathode
Graphite rod；
Rectification power system: for the graphite rod power supply being connected；After anode assemblies and cathode assembly touch, system is controlled to PLC
System feedback touches signal in place；The voltage and current of acquisition anode assemblies and cathode assembly in real time, and feed back to PLC control system
System；
PLC control system: when propulsion system prepares arcing, driving signal is sent to support pushing mechanism；Receiving rectification
After what power-supply system was fed back touches signal in place, stretch signal is sent to support construction；To the anode of rectification power system feedback
The anode assemblies and cathode assembly distance of the voltage and current and support pushing mechanism feedback of component and cathode assembly carry out real
When show, when reach scheduled arcing apart from when to support pushing mechanism send stop signal；
Support pushing mechanism: when receiving driving signal, while anode assemblies and cathode assembly are pushed, touches it；It receives
When stretch signal, anode assemblies and cathode assembly are pulled open, feed back anode assemblies and cathode assembly to PLC control system in real time
Distance；When receiving stop signal, arcing is realized in stopping movement.
2. the propulsion system according to claim 1 based on plasma coated graphite rod electrrode, it is characterised in that: it further include air inlet
Component, the anode assemblies and cathode assembly are located in closed reactor, and air intake assembly is connected to the reactor, for
Reactor leads to hydrogen.
3. the propulsion system according to claim 1 based on plasma coated graphite rod electrrode, it is characterised in that: rectifier power source system
System includes isolating transformer, DC power supply commutation system；
Isolating transformer: receiving external high pressure power supply, and power rectifier system is given in output after interference and insulation is carried out to it；
DC power supply commutation system: being rectified into DC power supply for received high voltage power supply, for the graphite rod power supply being connected.
4. the propulsion system according to claim 3 based on plasma coated graphite rod electrrode, it is characterised in that: the direct current
Source commutation system includes control cabinet for power distribution, transformer, rectification PDM module peace wave reactance cabinet；
Control cabinet for power distribution: the voltage output of self-isolation in future transformer is to transformer；
Transformer: rectification PDM module is given in output after converting to received voltage；
Rectification PDM module: rectifying the voltage after transformer conversion, obtains the direct current electricity output with harmonic wave to flat wave electricity
Anti- cabinet；
Flat wave reactance cabinet: being rectified into stable flat wave direct current for the direct current with harmonic wave, for the graphite rod power supply being connected.
5. the propulsion system according to claim 1 based on plasma coated graphite rod electrrode, it is characterised in that: support promotion machine
Structure includes support platform (1), servo motor (2), ball-screw (3), bellows (4) and position sensor (5)；
The servo motor (2), ball-screw (3), bellows (4) are installed on support platform (1), bellows (4) and rolling
Ballscrew (3) is connected, and ball-screw (3) is connect with servo motor (2)；
When servo motor (2) receives the driving signal of PLC control system output, driving ball-screw (3) moves in a circle, and rolls
Ballscrew (3) drives bellows (4) to stretch；When servo motor (2) receives the stretch signal of PLC control system output, driving
Ball-screw (3) does opposite direction circular motion, and ball-screw (3) drives bellows to shrink；Servo motor (2) receives PLC control
When the stop signal of system output processed, stop driving ball-screw (3)；
The graphite rod is placed on that bellows (4) is inner, and with the stretching and contraction of bellows (4), graphite rod does corresponding flexible；
Position sensor (5) is mounted on bellows, is acquired anode assemblies and cathode assembly distance, is transmitted to PLC control system.
6. the propulsion system according to claim 5 based on plasma coated graphite rod electrrode, it is characterised in that: it further include temperature
Sensor is mounted on bellows (4), for acquiring the temperature of cathode assembly and anode assemblies, and is sent to PLC control in real time
System.
7. the propulsion system according to claim 6 based on plasma coated graphite rod electrrode, it is characterised in that: further include DCS
System is communicated with PLC control system, receives voltage and current, anode assemblies and the cathode assembly of anode assemblies and cathode assembly
The temperature of distance and cathode assembly and anode assemblies, and carry out real-time display；Allow user to be manually entered arcing distance, will use
The arcing distance output of family input reaches user in anode assemblies and cathode assembly distance to PLC control system, PLC control system
The arcing of input apart from when, to support pushing mechanism send stop signal.
8. the propulsion system according to claim 7 based on plasma coated graphite rod electrrode, it is characterised in that: the DCS system
System further includes soft start button, can remotely start rectification power system and close a floodgate or separating brake, when closing success, be controlled by PLC
System sends driving signal, stretch signal and stop signal to support pushing mechanism, realizes arcing；
Specific control flow is as follows:
1) soft start button is pressed, issues rectification switching signal to rectification power system；
If 2) rectification power system provides DCS system combined floodgate feedback states signal, 3) closing success enters step；If in 7 seconds
DCS system does not receive status signal in combined floodgate feedback states signal or operation and loses, then DCS system control rectification power system point
Lock, this secondary control terminate；
3) when closing success, DCS system sends driving signal to support pushing mechanism by PLC control system, and electrode starts
It promotes；When electrode touches successfully, rectification power system provides DCS system simultaneously and PLC control system touches signal in place；
4) DCS system control rectification power system operation sends stretch signal to support pushing mechanism by PLC control system,
Control cathode assembly and anode assemblies pull open, and pass through PLC control system when reaching best arcing state to support pushing mechanism
Send stop signal, arcing success；
5) DCS system control rectification power system stops working, and electrode propulsion system resets；
6) DCS system controls rectification power system separating brake, this secondary control terminates.
9. the propulsion system according to claim 1 based on plasma coated graphite rod electrrode, it is characterised in that: the cathode sets
Part and anode assemblies are separated with support pushing mechanism by insulating materials.
10. the propulsion system according to claim 1 based on plasma coated graphite rod electrrode, it is characterised in that: the support
Ground terminal is arranged in pushing mechanism, supports pushing mechanism reliable ground for making.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811157528.4A CN109404964B (en) | 2018-09-30 | 2018-09-30 | Propulsion system and propulsion method based on plasma graphite rod electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811157528.4A CN109404964B (en) | 2018-09-30 | 2018-09-30 | Propulsion system and propulsion method based on plasma graphite rod electrode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109404964A true CN109404964A (en) | 2019-03-01 |
| CN109404964B CN109404964B (en) | 2020-11-10 |
Family
ID=65466658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811157528.4A Active CN109404964B (en) | 2018-09-30 | 2018-09-30 | Propulsion system and propulsion method based on plasma graphite rod electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109404964B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113121094A (en) * | 2019-12-30 | 2021-07-16 | 隆基绿能科技股份有限公司 | Arc voltage control method and system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1821066A (en) * | 2005-02-18 | 2006-08-23 | 鸿富锦精密工业（深圳）有限公司 | Micro regulating system for electrode gap and electric arc discharging device using said system |
| RU2410603C1 (en) * | 2009-11-17 | 2011-01-27 | Закрытое акционерное общество "КОТЭС-Наука" | Device of plasma ignition of dust-coal fuel |
| CN103107714A (en) * | 2011-11-10 | 2013-05-15 | 烟台龙源电力技术股份有限公司 | Plasma ignition system and electrical power generating system thereof |
| 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 |
| CN206212390U (en) * | 2016-11-24 | 2017-05-31 | 烟台龙源电力技术股份有限公司 | Plasma generator continuous-current plant and plasma generating system |
| CN206975481U (en) * | 2017-07-14 | 2018-02-06 | 浙江大唐乌沙山发电有限责任公司 | DCS and plasma system control device improvement communication system |
| CN108419354A (en) * | 2018-02-09 | 2018-08-17 | 航天神洁（北京）环保科技有限公司 | A kind of automatic control device and control method of hydrogen plasma electrode |
| CN108430148A (en) * | 2018-03-30 | 2018-08-21 | 山东辰跃节能科技有限公司 | A kind of plasma generator |
-
2018
- 2018-09-30 CN CN201811157528.4A patent/CN109404964B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1821066A (en) * | 2005-02-18 | 2006-08-23 | 鸿富锦精密工业（深圳）有限公司 | Micro regulating system for electrode gap and electric arc discharging device using said system |
| RU2410603C1 (en) * | 2009-11-17 | 2011-01-27 | Закрытое акционерное общество "КОТЭС-Наука" | Device of plasma ignition of dust-coal fuel |
| CN103107714A (en) * | 2011-11-10 | 2013-05-15 | 烟台龙源电力技术股份有限公司 | Plasma ignition system and electrical power generating system thereof |
| 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 |
| CN206212390U (en) * | 2016-11-24 | 2017-05-31 | 烟台龙源电力技术股份有限公司 | Plasma generator continuous-current plant and plasma generating system |
| CN206975481U (en) * | 2017-07-14 | 2018-02-06 | 浙江大唐乌沙山发电有限责任公司 | DCS and plasma system control device improvement communication system |
| CN108419354A (en) * | 2018-02-09 | 2018-08-17 | 航天神洁（北京）环保科技有限公司 | A kind of automatic control device and control method of hydrogen plasma electrode |
| CN108430148A (en) * | 2018-03-30 | 2018-08-21 | 山东辰跃节能科技有限公司 | A kind of plasma generator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113121094A (en) * | 2019-12-30 | 2021-07-16 | 隆基绿能科技股份有限公司 | Arc voltage control method and system |
| CN113121094B (en) * | 2019-12-30 | 2023-01-13 | 隆基绿能科技股份有限公司 | Arc voltage control method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109404964B (en) | 2020-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102107157B (en) | Intelligent medium-frequency high-voltage double-output direct current power supply for electric dust removal | |
| CN104359096B (en) | A kind of electric steam generator and steam generator control system | |
| CN201751006U (en) | High-frequency power supply controller special for electrostatic dust removal | |
| CN205909499U (en) | High voltage (10~35Kv) electrode boiler | |
| CN109404964A (en) | Propulsion system based on plasma coated graphite rod electrrode | |
| CN201613181U (en) | Intelligent medium-frequency high-voltage dual-output direct current power supply for electric dust removal | |
| CN105375800A (en) | A topological circuit for a micro-inverter | |
| CN201396740Y (en) | Electrode type steam boiler | |
| CN101024884A (en) | Non-merged-net wind-driven power-supplying method and apparatus of high energy-consumption industry | |
| CN102852714A (en) | High-power wind power generating system | |
| CN209119966U (en) | A kind of electric drilling machine with flywheel energy storage/workover rig micro-grid system | |
| CN105207555A (en) | Digital type electric generator automatic regulation system and method thereof | |
| CN202479047U (en) | Pulse power supply unit for electric dust remover | |
| CN110492601B (en) | Power supply system for multi-energy mutual-aid thermal power plant and control method thereof | |
| CN103990641A (en) | Co-production generation process and device for producing oil from household garbage by virtue of carbon-oxygen circulation | |
| CN206212390U (en) | Plasma generator continuous-current plant and plasma generating system | |
| CN104065282A (en) | Three-phase high-frequency inversion high-voltage rectification electrostatic dust collection integrated power supply | |
| CN102284365A (en) | Pulse power source device for electro-precipitator | |
| CN203882788U (en) | Combined transformer for wind power generation | |
| CN203043971U (en) | Reaction kettle electromagnetic heating device for replacing coal-fired boiler | |
| CN221101853U (en) | Rectifying transformer for multi-gear on-load voltage-regulating graphitizing furnace | |
| Li et al. | Research on plasma biomass straw liquefaction plant and its application | |
| Youwen et al. | Development of Chinese electrostatic precipitator technology | |
| CN203703915U (en) | Remote anti-explosion solar vapor generator | |
| CN204030992U (en) | Three-phase high-frequency inversion high-voltage rectifying electrostatic precipitation integrated power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No. 16 Fucheng Road, Haidian District, Beijing 100048 Applicant after: Aerospace Shenjie (Beijing) Technology Development Co., Ltd. Address before: No. 16 Fucheng Road, Haidian District, Beijing 100048 Applicant before: Aerospace God Jie (Beijing) Environmental Protection Technology Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |