CN104266197A - Plasma waste incineration device and method - Google Patents
Plasma waste incineration device and method Download PDFInfo
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- CN104266197A CN104266197A CN201410473414.6A CN201410473414A CN104266197A CN 104266197 A CN104266197 A CN 104266197A CN 201410473414 A CN201410473414 A CN 201410473414A CN 104266197 A CN104266197 A CN 104266197A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/10—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2204/00—Supplementary heating arrangements
- F23G2204/20—Supplementary heating arrangements using electric energy
- F23G2204/201—Plasma
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2207/00—Control
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gasification And Melting Of Waste (AREA)
- Plasma Technology (AREA)
Abstract
The invention provides a plasma waste incineration device and method. The plasma waste incineration device comprises a power supply system, an electro-arc heater, a working system and a PLC control system; the incineration temperature reaches 850 to 950 DEG C during working, thus various bacteria in domestic waste can be effectively and fully eliminated, toxic and harmful components can be decomposed into nontoxic and harmless materials under the effect of high temperature, and as a result, the waste pollution can be reduced, and the environment can be protected; the social benefit is increased, and the policies on new energy, environmental pollution, zero-carbon emission and sustainable development can be met. The plasma waste incineration device and method have the advantages that the operation is convenient, the heat efficiency is high, and the working is stable.
Description
[technical field]
The invention belongs to offal treatment field, relate to a kind of plasma incineration waste equipment, be specifically related to a kind of plasma incineration waste Apparatus for () and method therefor.
[background technology]
At present, dangerous garbage and the plastic products rubbish of industry and special trade are increasing, and this type of rubbish is the most unmanageable in rubbish.China is for processing mode mainly landfill and the burning of house refuse and dangerous garbage and plastic products rubbish, and landfill not only occupies a large amount of soil, and can cause the pollution of underground water.Although burning method volume reduction ratio is high, and recovering energy, causing the pollution of environment because producing dioxin in burning process, thus suffer that the public comes down hard upon, be badly in need of the environmental protection of development a new generation, energy-saving and cost-reducing alternative incineration technology.
Plasma is material the 4th state, has many physicochemical properties differing from the uniqueness of solid-state, liquid and gaseous state, as all very high in temperature and energy density, can conduct electricity and luminous, chemical property is active and can strengthen chemical reaction etc., environmental-protecting performance is excellent.Produce the plasma up to 7000 DEG C by arc discharge, rubbish is heated to very high temperature, thus destroys refuse quickly and effectively.The abundant pyrolysis gasification of flammable organic principle, changes into imflammable gas, may be used for energy recovery, is commonly referred to as " synthesis gas " (main component is CO+H2).Non-flammable inorganic constituents becomes harmless slag body after plasma high-temperature process.Using plasma disposal of refuse be subtract at present hold most pronounced effects, innoxious the most thoroughly, green environmental protection technique that resource degree is the highest.Compared with burning method, the most outstanding advantage of plasma technique has:
(1) treatment temperature is high: harmful substance is destroyed more thorough, and dioxin presoma is entirely destroyed decomposition;
(2) can adopt reducing atmosphere or partial oxidative atmosphere, adopt electric energy as external heat source, secondary pollution discharge is than burning a low 2-3 order of magnitude, and slag at the bottom of cracking is harmless;
(3) synthesis gas flow is about the 5-10% of incineration flue gas amount, is easy to purification, and equipment for after-treatment size reduces, and has saved cost of investment;
(4) energy recovery efficiency is high, and oversize is made synthesis gas, and later use gas engine generates electricity, and generating efficiency can up to 39%, and burning method adopts steam turbine, and generating efficiency is difficult to more than 22%;
(5) complete equipment is compact, takes up an area little, good in economic efficiency.
In view of the various advantages of plasma technique, plasma ties up to field of waste incineration and is widely used, in existing plasma garbage incinerating system, generally select alternating current arc heater or direct-current arc heater, if select alternating current arc heater, although power system structure is simple, it is little to invest, there is inherent shortcoming, the thermal efficiency is low; According to direct-current arc heater, can provide the voltage of constant direction, electric current, and accomplish the Long contact time of air-flow and electric arc, exit flow enthalpy is higher, but shortcoming to increase converter plant, and investment is large, controls complicated; This just causes burning facility job insecurity in Refuse Incineration Process.
[summary of the invention]
The present invention is directed to the problems referred to above, provide a kind of have easy to operate, the thermal efficiency is high, the plasma incineration waste Apparatus for () and method therefor of working stability.
The present invention is achieved by the following technical solutions, the invention provides a kind of plasma incineration waste equipment, comprising:
Power-supply system;
The electro-arc heater be connected with power-supply system, described electro-arc heater connects promising its provides the compressed air system of plasma-arc medium;
The work system be connected with the output of electro-arc heater;
And PLC control system, it is for controlling power-supply system, electro-arc heater and work system;
Described power-supply system comprises: flow directing device and reactor, and the output of described flow directing device is connected with the both positive and negative polarity of electro-arc heater respectively, and described reactor is connected to one of flow directing device between output and the positive pole of electro-arc heater;
Described work system comprises: boiler furnace, primary air system, plasma burner;
Image Fire check system and machine supplying powder is provided with in described boiler furnace, described primary air system and machine supplying powder are connected with plasma burner respectively, described plasma burner is connected with electro-arc heater, and described Image Fire check system, machine supplying powder, primary air system are connected with PLC control system respectively;
Be provided with wind velocity measurement system in described primary air system, described plasma burner outer wall is provided with burner wall monitor, and described wind velocity measurement system, burner wall monitor are connected with PLC control system respectively.
Especially, also comprise: for cooling the cooling water system of electro-arc heater.
Especially, described power-supply system also comprises three-phase transformer, fuse, the first piezo-resistance, the second piezo-resistance, the 3rd piezo-resistance;
Three inputs of described fuse are connected with the output of three-phase transformer respectively, described first piezo-resistance is connected between a phase of fuse and two-phase, described second piezo-resistance is connected between a phase of fuse and three-phase, described 3rd piezo-resistance is connected between the two-phase of fuse and three-phase, and described fuse one phase, two-phase, the output of three-phase are connected with the input of flow directing device.
Especially, described power-supply system also comprises the 4th piezo-resistance, and the two ends of described 4th piezo-resistance are in parallel with the two ends of reactor.
Especially, described plasma burner is connected with secondary air system.
Especially, described reactor adopts DC flat-wave reactor.
The present invention also provides a kind of plasma incineration waste method, comprises the following steps:
S10: power-supply system starts power supply, through electric current and the voltage of flow directing device and reactor stable output;
S20: whether electro-arc heater internal judgment electric current that power-supply system provides, voltage have reached arc condition, if so, then enter step S30, if not, then enter step S40;
After S30:PLC control system receives the signal that electro-arc heater sends, send signal to compressed air system, plasma-arc medium is provided to electro-arc heater after compressed air system receives signal,, there is electric arc mark in the Igniting unit in plasma burner and electro-arc heater electrode contact;
S31: primary air system, machine supplying powder receive after PLC control system sends signal and open, and light a fire successfully;
S32: boiler furnace is started working;
S40: open arc failure, PLC control system sends signal to power-supply system, and power-supply system is closed.
Especially, described step S30 specifically comprises the following steps:
S301: electro-arc heater sends signal to PLC control system, after PLC control system receives signal, send signal to compressed air system and cooling water system, compressed air system is started working, plasma-arc medium is provided to electro-arc heater, simultaneously and cooling water system start working, cooling electro-arc heater;
S302:PLC control system sends signal to flow directing device, flow directing device by Current adjustment to electric arc starting state;
The signal that S303:PLC control system sends to plasma burner, after plasma burner receives signal, the Igniting unit in plasma burner and the electrode contact of electro-arc heater;
S304: the Igniting unit in plasma burner retreats, and plasma burner occurs electric arc mark under the effect of above-mentioned plasma-arc medium;
S305: burner wall monitor judges whether plasma burner outside wall temperature is greater than plasma burner normal working temperature, if so, then performs step S306, if not, then proceeds work with current operating state;
S306:PLC control system receives after burner wall monitor sends signal, send the intake of signal adjustment primary air system, wind velocity measurement system is monitored intake and wind speed, till plasma burner outside wall temperature is less than plasma burner normal working temperature simultaneously.
Especially, described step S31 specifically comprises the following steps:
S311:PLC control system sends signal to primary air system and machine supplying powder, primary air system and machine supplying powder are opened after receiving signal, light a fire successfully, the whether normal operation of PLC control system Real-Time Monitoring primary air system, if, then primary air system continues to be held open state, if not, then performs step S312;
S312:PLC control system sends signal, and manually opened secondary air system, lights a fire successfully.
Especially, described plasma burner is lighted a fire successfully, performs following steps:
S50:PLC control system sends signal to Image Fire check system, and Image Fire check system judges whether flame reaches waste incineration requirement, if so, then enters step S51, if not, then enters step S52;
S51: boiler furnace normally works;
S52:PLC control system sends signal to machine supplying powder, and machine supplying powder cuts out;
S53: after machine supplying powder cuts out, PLC control system sends signal to primary air system, primary air system article on plasma burner purges 3-5 minute, and primary air system is closed;
S54: after primary air system is closed, PLC control system sends signal and closes to power-supply system power-supply system and work system.
Compared to prior art; a kind of plasma incineration waste Apparatus for () and method therefor provided by the invention; incineration temperature can be made to reach 850 DEG C-950 DEG C; effectively bacterium various in house refuse fully can be killed; and wherein poisonous and harmful composition is become nontoxic material through pyrolytic, can waste pollution be reduced, protection of the environment; there is good social benefit, meet the policy of new forms of energy, environmental protection, zero carbon emission and sustainable development.Plasma incineration waste Apparatus for () and method therefor provided by the invention have easy to operate, the thermal efficiency is high, the advantage of working stability.
[accompanying drawing explanation]
Fig. 1 is the structural representation of a kind of plasma incineration waste equipment of the present invention;
Fig. 2 is the circuit diagram of plasma power supply described in a kind of plasma incineration waste equipment of the present invention.
[detailed description of the invention]
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in more detail.
Refer to Fig. 1 to Fig. 2, a kind of plasma incineration waste equipment provided by the invention, comprising:
Power-supply system 1, it is for providing adjustable power of direct current for the equipment of burning away the refuse;
The electro-arc heater 2 be connected with power-supply system 1, described electro-arc heater 2 connects promising its provides the compressed air system 21 of plasma-arc medium;
The work system 3 be connected with the output of electro-arc heater 2, it is the heat energy of waste incineration for the Conversion of Energy provided by electro-arc heater 2;
And PLC control system 4, it is for controlling power-supply system 1, electro-arc heater 2 and work system 3;
Described power-supply system 1 comprises: flow directing device 14 and for suppressing the reactor 16 of output current fluctuation, the output of described flow directing device 14 is connected with the both positive and negative polarity of electro-arc heater 2 respectively, described reactor 16 is connected between an output of flow directing device 14 and the positive pole of electro-arc heater 2, flow directing device 14 of the present invention adopts Siemens flow directing device 6RA70, in order to improve the rectification efficiency of flow directing device 14, ensure that the reliability of power-supply system long-term work, IGCT 15 in this flow directing device 14 adopts three-phase thyristor bridge IGCT, described flow directing device 14 peripheral hardware has the cooling blower for cooling flow directing device 14, power-supply system 1 of the present invention preferably but be not limited to adopt three-phase 380V power voltage supply, in described flow directing device 14, electron plate preferably but be not limited to adopt direct current 220V power voltage supply, cooling blower preferably but be not limited to adopt direct current 380V power voltage supply,
Described work system 3 comprises: boiler furnace 60, primary air system 40, plasma burner 30;
For the ease of observing hearth combustion situation, Image Fire check system 61 is provided with in described boiler furnace 60, this Image Fire check system 61 skin installs heat-shield mechanism additional, effective block Secondary Air heat by conduction and radiation of burner hearth heat, and be provided with machine supplying powder 62 in described boiler furnace 60, described primary air system 40 and machine supplying powder 62 are connected with plasma burner 30 respectively, described plasma burner 30 is connected with electro-arc heater 2, and described Image Fire check system 61, machine supplying powder 62, primary air system 40 are connected with PLC control system 4 respectively;
Wind velocity measurement system 41 is provided with in described primary air system 40, in order to ensure the safe operation of plasma burner 30, described plasma burner 30 outer wall is provided with burner wall monitor 31, preferably but be not limited to thermocouple, described wind velocity measurement system 41, burner wall monitor 31 are connected with PLC control system 4 burner wall monitor 31 of the present invention respectively.
Especially, also comprise: for cooling the cooling water system 22 of electro-arc heater 2.
Especially, described power-supply system 1 also comprises three-phase transformer 11, fuse 12, first piezo-resistance 131, second piezo-resistance 132, the 3rd piezo-resistance 133;
Three inputs of described fuse 12 are connected with the output of three-phase transformer 11 respectively, described first piezo-resistance 131 is connected between a phase of fuse 12 and two-phase, described second piezo-resistance 132 is connected between a phase of fuse 12 and three-phase, between the two-phase that described 3rd piezo-resistance 133 is connected to fuse 12 and three-phase, described fuse 12 1 phase, two-phase, the output of three-phase is connected with the input of flow directing device 14, by the first piezo-resistance 131, second piezo-resistance 132, the setting of the 3rd piezo-resistance 133, inhibit the appearance of abnormal overvoltage in circuit, avoid circuit from superpotential infringement.
Especially, described power-supply system 1 also comprises the 4th piezo-resistance 17 for stable arc heater 2, and the two ends of described 4th piezo-resistance 17 are in parallel with the two ends of reactor 16.
Especially, in order to avoid primary air system improper running at work, described plasma burner 30 is connected with secondary air system 50.
Especially, in order to make power-supply system have stronger constant current ability, reactor needs enough inductance values, and described reactor 16 adopts DC flat-wave reactor.
The present invention also provides a kind of plasma incineration waste method, comprises the following steps:
S10: power-supply system starts power supply, through electric current and the voltage of flow directing device and reactor stable output
Pass into three-phase 380V power voltage supply in power-supply system, after flow directing device, electric current and voltage are regulated, afterwards through electric current and the voltage of reactor stable output;
S20: whether electro-arc heater internal judgment electric current that power-supply system provides, voltage have reached arc condition, if so, then enter step S30, if not, then enter step S40,
After the electric current that power-supply system exports, voltage enter electro-arc heater, electro-arc heater judges electric current that power-supply system provides, voltage, if Current Voltage meets the entry condition of current heater, then enters step S30, if ineligible, then enter step S40;
After S30:PLC control system receives the signal that electro-arc heater sends, send signal to compressed air system, after compressed air system receives signal, provide plasma-arc medium to electro-arc heater, the Igniting unit in plasma burner and electro-arc heater electrode contact, there is electric arc mark
Electro-arc heater sends signal to PLC control system, PLC control system sends signal to compressed air system after receiving signal, cooling water system, power control system, plasma burner, the air pressure of compressed air system is adjusted to about 0.03MP, the cooling water temperature of cooling water system is adjusted to less than 30 DEG C cool electric arc heated, plasma burner starting the arc power is set to starting power, plasma burner starting current is adjusted to 200A by flow directing device, plasma burner is started working, Igniting unit in plasma burner is advanced into electro-arc heater electrical equipment and is in contact with it, afterwards, Igniting unit retreats arc ignition, there is electric arc mark,
S31: primary air system, machine supplying powder receive after PLC control system sends signal and open, and light a fire successfully,
After there is electric arc mark, plasma burner sends signal to PLC control system, PLC control system sends signal to primary air system and machine supplying powder after receiving signal, primary air system is modulated need of work, by machine supplying powder to the fineness of equipment need of work coal dust, primary air system and machine supplying powder are started working, and light a fire successfully;
S32: boiler furnace is started working;
S40: open arc failure, PLC control system sends signal to power-supply system, and power-supply system is closed,
After opening arc failure, electro-arc heater sends signal to PLC control system, and PLC control system sends signal to power-supply system after receiving signal, and power-supply system is closed after receiving signal.
Especially, described step S30 specifically comprises the following steps:
S301: electro-arc heater sends signal to PLC control system, after PLC control system receives signal, send signal to compressed air system and cooling water system, after compressed air system receives signal, air pressure is adjusted to about 0.03MP, there is provided plasma-arc medium to electro-arc heater, after cooling water system receives signal, cooling water temperature is adjusted to less than 30 DEG C and cools electro-arc heater;
S302:PLC control system sends signal to flow directing device, and electric current is adjusted to 200A by flow directing device, and plasma burner starts;
Plasma burner starting the arc power, to plasma burner, after plasma burner receives signal, is set to starting power, the Igniting unit in plasma burner and the electrode contact of electro-arc heater by the signal that S303:PLC control system sends;
S304: the Igniting unit in plasma burner retreats, and plasma burner occurs electric arc mark under the effect of above-mentioned plasma-arc medium;
S305: after burner wall monitor monitors electric arc mark, starts to judge whether plasma burner outside wall temperature is greater than plasma burner normal working temperature, if so, then performs step S306, if not, then proceeds work with current operating state;
S306: burner wall monitor sends signal to PLC control system, PLC control system receives after burner wall monitor sends signal, send signal to primary air system, wind velocity measurement system is monitored intake and wind speed simultaneously, primary air system carries out adjustment to intake and reduces plasma burner outside wall temperature, till plasma burner outside wall temperature is less than plasma burner normal working temperature.
Especially, described step S31 specifically comprises the following steps:
S311:PLC control system sends signal to primary air system and machine supplying powder, primary air system and machine supplying powder are opened after receiving signal, light a fire successfully, wind velocity measurement system detects in real time to wind speed, and testing result is sent to PLC control system, and PLC control system judges primary air system whether normal operation by testing result, if, then primary air system continues to be held open state, if not, then performs step S312;
S312:PLC control system sends signal, manually opened secondary air system, makes machine supplying powder coal dust sufficient combustion in boiler furnace, makes full use of the energy of plasma-arc, light a fire successfully.
Especially, described plasma burner is lighted a fire successfully, performs following steps:
S50:PLC control system sends signal to Image Fire check system, and Image Fire check system judges whether flame reaches waste incineration requirement, if so, then enters step S51, if not, then enters step S52;
S51: boiler furnace normally works;
S52:PLC control system sends signal to machine supplying powder, and machine supplying powder cuts out;
S53: after machine supplying powder cuts out, PLC control system sends signal to primary air system, primary air system article on plasma burner purges 3-5 minute, and primary air system is closed;
S54: after primary air system is closed, PLC control system sends signal and closes to power-supply system and work system.
It should be noted that; garbage incinerating system of the present invention is not only suitable for waste incineration; be suitable for any object needing high temperature incineration simultaneously; for those of ordinary skills; can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (10)
1. a plasma incineration waste equipment, is characterized in that, comprising:
Power-supply system (1);
The electro-arc heater (2) be connected with power-supply system (1), described electro-arc heater (2) connects promising its provides the compressed air system (21) of plasma-arc medium;
The work system (3) be connected with the output of electro-arc heater (2);
And PLC control system (4), it is for controlling power-supply system (1), electro-arc heater (2) and work system (3);
Described power-supply system comprises: flow directing device (14) and reactor (16), the output of described flow directing device (14) is connected with the both positive and negative polarity of electro-arc heater (2) respectively, and described reactor (16) is connected between an output of flow directing device (14) and the positive pole of electro-arc heater (2);
Described work system (3) comprising: boiler furnace (60), primary air system (40), plasma burner (30);
Image Fire check system (61) and machine supplying powder (62) is provided with in described boiler furnace (60), described primary air system (40) and machine supplying powder (62) are connected with plasma burner (30) respectively, described plasma burner (30) is connected with electro-arc heater (2), and described Image Fire check system (61), machine supplying powder (62), primary air system (40) are connected with PLC control system (4) respectively;
Wind velocity measurement system (41) is provided with in described primary air system (40), described plasma burner (30) outer wall is provided with burner wall monitor (31), and described wind velocity measurement system (41), burner wall monitor (31) are connected with PLC control system (4) respectively.
2. a kind of plasma incineration waste equipment according to claim 1, is characterized in that, also comprise: for cooling the cooling water system (22) of electro-arc heater (2).
3. a kind of plasma incineration waste equipment according to claim 1, it is characterized in that, described power-supply system (1) also comprises three-phase transformer (11), fuse (12), the first piezo-resistance (131), the second piezo-resistance (132), the 3rd piezo-resistance (133);
Three inputs of described fuse (12) are connected with the output of three-phase transformer (11) respectively, between the phase that described first piezo-resistance (131) is connected to fuse (12) and two-phase, between the phase that described second piezo-resistance (132) is connected to fuse (12) and three-phase, between the two-phase that described 3rd piezo-resistance (133) is connected to fuse (12) and three-phase, the output of described fuse (12) phase, two-phase, three-phase is connected with the input of flow directing device (14).
4. a kind of plasma incineration waste equipment according to claim 1 or 3, it is characterized in that, described power-supply system (1) also comprises the 4th piezo-resistance (17), and the two ends of described 4th piezo-resistance (17) are in parallel with the two ends of reactor (16).
5. a kind of plasma incineration waste equipment according to claim 2, is characterized in that, described plasma burner (30) is connected with secondary air system (50).
6. a kind of plasma incineration waste equipment according to claim 1, is characterized in that, described reactor (16) adopts DC flat-wave reactor.
7. a plasma incineration waste method, is characterized in that, comprises the following steps:
S10: power-supply system starts power supply, through electric current and the voltage of flow directing device and reactor stable output;
S20: whether electro-arc heater internal judgment electric current that power-supply system provides, voltage have reached arc condition, if so, then enter step S30, if not, then enter step S40;
After S30:PLC control system receives the signal that electro-arc heater sends, send signal to compressed air system, plasma-arc medium is provided to electro-arc heater after compressed air system receives signal,, there is electric arc mark in the Igniting unit in plasma burner and electro-arc heater electrode contact;
S31: primary air system, machine supplying powder receive after PLC control system sends signal and open, and light a fire successfully;
S32: boiler furnace is started working;
S40: open arc failure, PLC control system sends signal to power-supply system, and power-supply system is closed.
8. a kind of plasma incineration waste method according to claim 7, it is characterized in that, described step S30 specifically comprises the following steps:
S301: electro-arc heater sends signal to PLC control system, after PLC control system receives signal, send signal to compressed air system and cooling water system, compressed air system is started working, plasma-arc medium is provided to electro-arc heater, simultaneously and cooling water system start working, cooling electro-arc heater;
S302:PLC control system sends signal to flow directing device, flow directing device by Current adjustment to electric arc starting state;
The signal that S303:PLC control system sends to plasma burner, after plasma burner receives signal, the Igniting unit in plasma burner and the electrode contact of electro-arc heater;
S304: the Igniting unit in plasma burner retreats, and plasma burner occurs electric arc mark under the effect of above-mentioned plasma-arc medium;
S305: burner wall monitor judges whether plasma burner outside wall temperature is greater than plasma burner normal working temperature, if so, then performs step S306, if not, then proceeds work with current operating state;
S306:PLC control system receives after burner wall monitor sends signal, send the intake of signal adjustment primary air system, wind velocity measurement system is monitored intake and wind speed, till plasma burner outside wall temperature is less than plasma burner normal working temperature simultaneously.
9. a kind of plasma incineration waste method according to claim 7, it is characterized in that, described step S31 specifically comprises the following steps:
S311:PLC control system sends signal to primary air system and machine supplying powder, primary air system and machine supplying powder are opened after receiving signal, light a fire successfully, the whether normal operation of PLC control system Real-Time Monitoring primary air system, if, then primary air system continues to be held open state, if not, then performs step S312;
S312:PLC control system sends signal, and manually opened secondary air system, lights a fire successfully.
10. a kind of plasma incineration waste method according to claim 7 or 9, it is characterized in that, described plasma burner is lighted a fire successfully, performs following steps:
S50:PLC control system sends signal to Image Fire check system, and Image Fire check system judges whether flame reaches waste incineration requirement, if so, then enters step S51, if not, then enters step S52;
S51: boiler furnace normally works;
S52:PLC control system sends signal to machine supplying powder, and machine supplying powder cuts out;
S53: after machine supplying powder cuts out, PLC control system sends signal to primary air system, primary air system article on plasma burner purges 3-5 minute, and primary air system is closed;
S54: after primary air system is closed, PLC control system sends signal and closes to power-supply system power-supply system and work system.
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| CN201410473414.6A CN104266197A (en) | 2014-09-16 | 2014-09-16 | Plasma waste incineration device and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105116765A (en) * | 2015-06-30 | 2015-12-02 | 国网山东省电力公司电力科学研究院 | Plasma automatic arc starting control system and method with multiple control functions |
| CN105817459A (en) * | 2016-01-08 | 2016-08-03 | 上海市固体废物处置中心 | Method for treating hazardous waste incineration bottom ash by using plasma technology |
| CN109442431A (en) * | 2018-12-06 | 2019-03-08 | 航天环境工程有限公司 | A kind of power regulating system of the DC plasma torch using constant current source power supply and application |
| CN111089302A (en) * | 2019-12-11 | 2020-05-01 | 杭州三得农业科技有限公司 | Distributed low-temperature plasma tube type accelerator straw fertilizer making machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105116765A (en) * | 2015-06-30 | 2015-12-02 | 国网山东省电力公司电力科学研究院 | Plasma automatic arc starting control system and method with multiple control functions |
| CN105116765B (en) * | 2015-06-30 | 2017-11-14 | 国网山东省电力公司电力科学研究院 | Plasma with various control function opens arc control system and method automatically |
| CN105817459A (en) * | 2016-01-08 | 2016-08-03 | 上海市固体废物处置中心 | Method for treating hazardous waste incineration bottom ash by using plasma technology |
| CN109442431A (en) * | 2018-12-06 | 2019-03-08 | 航天环境工程有限公司 | A kind of power regulating system of the DC plasma torch using constant current source power supply and application |
| CN111089302A (en) * | 2019-12-11 | 2020-05-01 | 杭州三得农业科技有限公司 | Distributed low-temperature plasma tube type accelerator straw fertilizer making machine |
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Application publication date: 20150107 |