CN101344253B - Control method of incineration furnace for vessel - Google Patents
Control method of incineration furnace for vessel Download PDFInfo
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- CN101344253B CN101344253B CN2008100414497A CN200810041449A CN101344253B CN 101344253 B CN101344253 B CN 101344253B CN 2008100414497 A CN2008100414497 A CN 2008100414497A CN 200810041449 A CN200810041449 A CN 200810041449A CN 101344253 B CN101344253 B CN 101344253B
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Abstract
The invention discloses a control method of a marine incinerator, which belongs to the field of combustion technology, shipboard automation technology and environment technology. The control method is applicable to three combustion modes, namely, solid waste combustion, sump oil combustion, and solid waste combustion and sump oil combustion, is simple and easy to be realized, and utilizes sensor technology and programmable control technology to control the whole working process of the incinerator. Considering the working parameter of the marine incinerator under various working condition completely, the automation, high efficiency, stabilization and reliable operation of the marine incinerator can be realized on the basis of accuracy control of the incinerator hearth temperature, hearth pressure and releasing temperature of flue gases. The invention completes the influence of continuous changing of various parameters to the whole combustion process during the spraying burning process, leads the waste and sump oil to be burnt fully, improves the burning efficiency, and reduces the dusty gas emission greatly.
Description
Technical field
The present invention relates to a kind of control method, particularly a kind of control method of incineration furnace for vessel belongs to incineration technology, shipboard automation technology and Environmental Technology field.
Background technology
Relevant regulations according to standard GB 10836-89 marine incinerator technical conditions and the MARPOL73/78 of International Maritime Organization pact, marine incinerator be mainly used to burn with much the same solid waste of family's discarded object composition and shipping work in the liquid debris that produces, as domestic refuse, shipping attaches discarded object, the discarded object that produces in the maintenance and operation process, shipping residue and Fishing tool etc., incinerator in the course of the work should be in strict accordance with relevant criterion, 1200 ℃ of combustor exit maximum temperatures, the toxic emission maximum temperature must not be higher than 400 ℃, in the charging by batches incinerator of without preheating, the temperature that incinerator should be guaranteed the Actual combustion zone reaches 600 ℃ in starting in back 5 minutes, and treaty has also been stipulated the concrete control law of some in the combustion process.This shows, the quality of marine incinerator performance is mainly decided by the parameters index in the course of work, and these parameter indexs need in time and effectively be monitored real-time parameter by control system, and provide control signal fast and effectively according to these real-time parameters, the parameters index of incinerator can be stabilized in the control range.Simultaneously, the safe and reliable operation of control of the efficiency of combustion of incinerator, smoke emissioning pollution and system all needs an efficient and stable control system and decides.In existing technology, application number is 200480010424.0, name is called the patent of invention of grate type waste incinerator machine method for controlling combustion, under fire grate, in the combustion chamber, be blown into the burning primary air, be blown into air to the second-time burning zone simultaneously and constitute stirring gas, this patent is primarily aimed at the incinerator of special construction and designs, and lays particular emphasis on the control of burning, is not suitable for the control of marine incinerator total system method of work; Application number is 88107553.1, name is called the patent of invention of the method for controlling combustion of fluidized bed incinerator, air is sent into from the fluid bed bottom, flow media is flowed, and regulate the air capacity that enters by the quantity combusted that measurement mechanism detects incinerated matter, this patent mainly is the quantity combusted of control incinerated matter, and the whole control method of system and the running of how controlling capital equipment according to quantity combusted are not all paid attention to, and therefore also can't be applied to marine incinerator.
Summary of the invention
In order to overcome the deficiency of prior art, fill up the technological gap of control method of incineration furnace for vessel, the invention provides a kind of control method of incineration furnace for vessel, the control system that this method adopts is simple in structure, control easily and effectively, the control perfect in shape and function can fine solution marine incinerator course of work instability, uppity problem.The designed control method of the present invention is simple, and it is all applicable that the difference of marine incinerator is burned pattern, to the performance that improves whole incinerator, improve combustion position and reduce disposal of pollutants and all have a very important role.
The present invention is what to be achieved through the following technical solutions: the control system that control method of the present invention adopted comprises control module, the incinerator body, the attached control appliance of incinerator, the sump oil burner, auxiliary burner 1# needle-valve, auxiliary burner 2# needle-valve, air exhauster, the air door baffle mechanism, incinerator fire box temperature sensor, incinerator furnace pressure sensor, the incinerator smoke temperature sensor, wherein, the attached control appliance of incinerator comprises oil fuel booster pump, the sump oil variable pump, the circulation macerator pump, the Steam Heating magnetic valve, the sludge collecting tank temperature sensor, the sludge collecting tank liquid level sensor; Control module is to adopt Programmable Logic Controller (PLC) as control assembly; Sump oil burner, auxiliary burner 1# needle-valve, auxiliary burner 2# needle-valve, air exhauster, air door baffle mechanism, incinerator fire box temperature sensor, incinerator furnace pressure sensor, the incinerator smoke temperature sensor is installed on the incinerator body; The output of control module is electrically connected with the control end of sump oil burner, auxiliary burner 1# needle-valve, auxiliary burner 2# needle-valve, air exhauster, air door baffle mechanism, oil fuel booster pump, sump oil variable pump, circulation macerator pump, Steam Heating magnetic valve respectively; The input of control module respectively with incinerator fire box temperature sensor, incinerator furnace pressure sensor, the output of incinerator smoke temperature sensor, sludge collecting tank temperature sensor, sludge collecting tank liquid level sensor is electrically connected; Power knob, urgent blowing out button, solid refuse burning mode button, sump oil burning mode button, solid refuse and sump oil are installed on the control cabinet panel of control module burn mode button, solid refuse burning accumulative total button jointly.
Relevant parameter in the control method of the present invention obtains after improving according to actual marine incinerator parameters index.Three kinds of mode of operations that ship garbage burns have been established, be that solid refuse burns pattern, sump oil burns pattern, solid refuse and sump oil and burns pattern jointly, can select any pattern to carry out work according to actual state on the ship, the incinerator relevant regulations of GB10836-89 marine incinerator technical conditions and the MARPOL73/78 of International Maritime Organization pact that can be up to state standards under every kind of mode of operation.
The control system that control method of the present invention adopted is to utilize various sensors to monitor parameters in real time, utilizes Programmable Logic Controller (PLC) to control entire work process.Accurately controlling on the basis of incinerator fire box temperature, furnace pressure, smog discharge temperature, perfect in the oil jetting combustion process parameters constantly change influence to whole burning process, improve firing efficiency, made rubbish and sump oil sufficient combustion, significantly reduced the dusty gas discharging.
When incinerator only carries out the solid refuse burning, only need to drop into solid refuse, to press solid refuse and burn mode button, system can enter solid refuse burning program automatically, does not need manual intervention to get final product smooth combustion in combustion process.Add auxiliary fuel when taking fire and help incineration firing, auxiliary fuel withdraws from when reaching rubbish smooth combustion temperature, can drop at any time again when needed.The solid refuse burning can be burned fully two and one-half-hours substantially, the blowing out of the incinerator of system's control at this moment, and air exhauster can continue to move and stop when the incinerator fire box temperature is reduced to safe temperature.In the solid refuse combustion process, can utilize incinerator dodge gate safety to drop into solid refuse, and start solid refuse and burn the button that adds up, can carry out solid refuse continuously and burn.Auxiliary burner provides two fuel injection needles, adjusts in real time according to combustion case, can increase substantially firing efficiency on the one hand, can save fuel oil on the other hand, reduces cost.
When incinerator only carries out the sump oil burning, press sump oil burning mode button and get final product.Before carrying out sump oil burning program; system can control the circulation pulverizing that the sump oil system at first carries out sump oil heating and sump oil; because the sump oil on the ship mostly viscosity ratio is bigger; also have more mud to be stored in the sludge collecting tank with sump oil together under a lot of situations; heating and pulverizing to make the sump oil viscosity reduce; particle mixes more even, improves its flammable performance.Suitable when the sump oil temperature, mix after, under the help of auxiliary fuel, spray in the incinerator and burn.Simultaneously may have more water in the sump oil, flammable poor-performing needs to adjust in real time the injection of auxiliary fuel to improve the firing efficiency of sump oil in burning process.When the sludge collecting tank liquid level was reduced to low level, control module can be controlled the incinerator blowing out, stopped the power supply of each control appliance, made air exhauster continue the exhausting cooled hearth to safe temperature simultaneously.
When needs solid refuse and sump oil burn simultaneously, press solid refuse and sump oil and burn mode button jointly, system controls auxiliary burner on the one hand and burns away the refuse, control on the one hand the preparation before the sump oil system burns, after suitable and sump oil is prepared fully in fire box temperature the sump oil input is burned.Sump oil has not burned if the solid refuse burning time arrives, and then proceeds sump oil and burns; The solid refuse time of burning does not reach if sump oil has burned, and then control system can be controlled the sump oil system and stops, and solid refuse continues to burn until setting-up time.The burning initial stage needs auxiliary fuel to burn equally, but the later stage can rely on the burning each other of rubbish and sump oil to finish whole burning process substantially, can save a large amount of auxiliary fuels.
Beneficial effect of the present invention: the designed control method of the present invention is simple, difference burning pattern to marine incinerator is all applicable, utilize the entire work process of sensor technology and control technology able to programme control incinerator, accurately controlling on the basis of incinerator fire box temperature, furnace pressure, smog discharge temperature, take into full account the running parameter of marine incinerator under various operating modes, realize automatic, efficient, the stable and reliability service of marine incinerator.Perfect in the oil jetting combustion process parameters constantly change influence to whole burning process, make rubbish and sump oil sufficient combustion, improved firing efficiency, significantly reduced the dusty gas discharging.
Description of drawings
The control system schematic diagram that Fig. 1 control method of incineration furnace is adopted;
Fig. 2 solid refuse burns the mode control method flow chart;
Fig. 3 sump oil burns the mode control method flow chart;
Fig. 4 solid refuse and sump oil burn the mode control method flow chart jointly;
Among the figure: 1. control module, 2. incinerator body, the 3. attached control appliance of incinerator, 4. sump oil burner, 5. auxiliary burner 1# needle-valve, 6. auxiliary burner 2# needle-valve, 7. air exhauster, 8. air door baffle mechanism, 9. incinerator fire box temperature sensor, 10. incinerator furnace pressure sensor, 11. incinerator smoke temperature sensors, 12. oil fuel booster pumps, 13. the sump oil variable pump, 14. circulation macerator pumps, 15. Steam Heating magnetic valves, 16. the sludge collecting tank temperature sensor, 17. sludge collecting tank liquid level sensors.
The specific embodiment
Below in conjunction with accompanying drawing concrete enforcement of the present invention is further described.
As shown in Figure 1, the control system that control method of the present invention adopted comprises control module 1, incinerator body 2, the attached control appliance 3 of incinerator, sump oil burner 4, auxiliary burner 1# needle-valve 5, auxiliary burner 2# needle-valve 6, air exhauster 7, air door baffle mechanism 8, incinerator fire box temperature sensor 9, incinerator furnace pressure sensor 10, incinerator stack temperature sensor 11, wherein, the attached control appliance 3 of incinerator comprises oil fuel booster pump 12, sump oil variable pump 13, circulation macerator pump 14, Steam Heating magnetic valve 15, sludge collecting tank temperature sensor 16, sludge collecting tank liquid level sensor 17; Control module 1 is to adopt Programmable Logic Controller (PLC) as control assembly; Sump oil burner 4, auxiliary burner 1# needle-valve 5, auxiliary burner 2# needle-valve 6, air exhauster 7, air door baffle mechanism 8, incinerator fire box temperature sensor 9, incinerator furnace pressure sensor 10, incinerator smoke temperature sensor 11 is installed on the incinerator body 2; The output of control module 1 is electrically connected with the control end of sump oil burner 4, auxiliary burner 1# needle-valve 5, auxiliary burner 2# needle-valve 6, air exhauster 7, air door baffle mechanism 8, oil fuel booster pump 12, sump oil variable pump 13, circulation macerator pump 14, Steam Heating magnetic valve 15 respectively; The input of control module 1 respectively with incinerator fire box temperature sensor 9, incinerator furnace pressure sensor 10, the output of incinerator smoke temperature sensor 11, sludge collecting tank temperature sensor 16, sludge collecting tank liquid level sensor 17 is electrically connected; Power knob, urgent blowing out button, solid refuse burning mode button, sump oil burning mode button, solid refuse and sump oil are installed on the control cabinet panel of control module 1 burn mode button, solid refuse burning accumulative total button jointly.
As shown in Figure 2, the control method of solid refuse burning pattern is as follows:
The first step: start power knob, press solid refuse burning mode button and enter solid refuse burning program;
Second step: start 7 pairs of burner hearths of air exhauster and carry out exhausting, whether detect fire box temperature less than 80 ℃ by fire box temperature sensor 9, if be lower than 80 ℃, then the full throttle baffle mechanism 8, start oil fuel booster pump 12, open auxiliary burner 1# needle-valve 5 and enter ignition procedure, if greater than 80 ℃ then continue operation air exhauster 7 and be lower than 80 ℃ until temperature;
The 3rd step: whether the flame detector detection igniting that carries by sump oil burner 4 is successful, if it is unsuccessful then send the failure alarm signal, automatically blowing out, if light a fire successfully, auxiliary burner 2# needle-valve 6 is opened, strengthen the distributive value of auxiliary fuel, once more detect fire box temperature by incinerator fire box temperature sensor 9 this moment, if clock time internal furnace temperature reached 600 ℃ in 5 minutes, then begin normal combustion, if clock time internal furnace temperature did not reach 600 ℃ in 5 minutes, then control module 1 sends chamber temperature and crosses low the warning and blowing out automatically;
The 4th step: when the incinerator startup begins to burn program, 8 actions of control module 1 control air door baffle mechanism, adjust furnace pressure to maintain-150pa about, in burning process, detect the chimney emission temperature by incinerator smoke temperature sensor 11, if during greater than 375 ℃ then blowing out automatically;
The 5th step: when the incinerator fire box temperature continues to be elevated to 850 ℃, then close auxiliary burner 2# needle-valve 6, make solid refuse smooth combustion under the spraying into of a small amount of auxiliary fuel;
The 6th step: before solid refuse burns setting-up time two and one-half-hours arrival, if drop into solid refuse once more, need press solid refuse and burn the button that adds up, then solid refuse burning program meeting continuous service;
The 7th step: when the solid refuse burning finishes, stop oil fuel booster pump 12, close auxiliary burner 1# needle-valve 5;
The 8th step: 8 actions of control module 1 control air door baffle mechanism make furnace pressure be stabilized in-100pa about, 7 of air exhausters continue the operation cooled hearth, close air exhauster 7 and air door baffle mechanism 8 when fire box temperature is reduced to 80 ℃ of safe temperatures;
As shown in Figure 3, the control method of sump oil burning pattern is as follows:
The first step: start power knob, press sump oil burning mode button and enter sump oil burning program;
Second step: open 15 pairs of sump oils of Steam Heating magnetic valve and heat, start the pulverizing that circulates of 14 pairs of sump oils of circulation macerator pump simultaneously, make the mud granule refinement that contains in the sump oil, sump oil and mud and moisture fully mix, and increase its combustibility;
The 3rd step: sludge collecting tank temperature sensor 16 detects the sump oil temperature and whether reaches temperature required 80 ℃ of burning, when reaching 80 ℃, the sump oil temperature then starts air exhauster 7, burner hearth is heated, and heating process is identical with second step, the 4th step that solid refuse burns pattern;
The 4th step: when fire box temperature is elevated to 400 ℃, starts sump oil variable pump 13, open sump oil burner 4, sump oil is sprayed into burner hearth burn, at this moment, control module 1 control sump oil variable pump 13 is in the one-level spray regime, and promptly the sump oil distributive value is minimum;
The 5th step: when fire box temperature continues to be increased to 600 ℃, then close auxiliary burner 2# needle-valve 6, make sump oil variable pump 13 enter the two-stage injection state simultaneously, promptly strengthen the sump oil distributive value, the purpose of doing like this is to make sump oil and auxiliary fuel can be good at cooperating burning, and the best that reaches sump oil is burned effect;
The 6th step: when fire box temperature is elevated to 850 ℃, close auxiliary burner 1# needle-valve 5 and oil fuel booster pump 12, strengthen the sump oil distributive value simultaneously to specified distributive value, sump oil variable pump 13 enters three grades of spray regimes;
The 7th step: when the sludge collecting tank liquid level arrived low level, sludge collecting tank liquid level sensor 17 provided signal, and sump oil burner 4, sump oil variable pump 13, circulation macerator pump 14 and Steam Heating magnetic valve 15 are closed in the blowing out of control system control incinerator;
The 8th step: 8 actions of control module 1 control air door baffle mechanism make furnace pressure be stabilized in-100pa about, 7 of air exhausters continue the operation cooled hearth, close air exhauster 7 and air door baffle mechanism 8 when fire box temperature is reduced to 80 ℃ of safe temperatures.
As shown in Figure 4, to burn the control method of pattern jointly as follows for solid refuse and sump oil:
The first step: start power supply, press solid refuse and sump oil and burn mode button jointly, enter solid refuse and sump oil and burn pattern jointly;
Second step: under solid refuse and sump oil burning pattern jointly, control system is controlled the burning that incinerator carries out solid refuse on the one hand, controls the sump oil system on the other hand and begins preparation, promptly burns second step operation of pattern according to sump oil;
The 3rd step: add burning process when requiring when sump oil satisfies to burn, this control procedure and sump oil burn the 3rd to the 7th of pattern and go on foot basic identical;
The 4th step: when solid refuse and sump oil burn simultaneously, when solid refuse burns that setting-up time two and one-half-hours arrive and sludge collecting tank liquid level when not reaching low level, control system changes sump oil over to and burns pattern, when solid refuse burned setting-up time two and one-half-hours no show if the sludge collecting tank liquid level arrives low level, control system changed solid refuse automatically over to and burns pattern;
The 5th step: in burning process, can continue to drop into solid refuse, will press solid refuse equally and burn the button that adds up;
The 6th step: arrive and sludge collecting tank liquid level when being in low level when the solid refuse burning time, incinerator burns and finishes, and enters the blowing out state;
The 7th step: 8 actions of control module 1 control air door baffle mechanism make furnace pressure be stabilized in-100pa about, 7 of air exhausters continue the operation cooled hearth, close air exhauster 7 and air door baffle mechanism 8 when fire box temperature is reduced to 80 ℃ of safe temperatures.
Claims (5)
1. a control method of incineration furnace for vessel is characterized in that this method comprises the steps:
The first step: start power knob, press a kind of burning mode button, enter this burning model program;
Second step: start air exhauster (7) burner hearth is carried out exhausting, whether detect fire box temperature less than 80 ℃ by fire box temperature sensor (9), if be lower than 80 ℃, full throttle baffle mechanism (8) then, start oil fuel booster pump (12), open auxiliary burner 1# needle-valve (5) and enter ignition procedure, if greater than 80 ℃ then continue operation air exhauster (7) and be lower than 80 ℃ until temperature;
The 3rd step: the flame detector that carries by sump oil burner (4) detects whether success of igniting, if unsuccessful then send the failure alarm signal, blowing out automatically, if light a fire successfully, auxiliary burner 2# needle-valve (6) is opened, and strengthens the distributive value of auxiliary fuel, the beginning normal combustion;
The 4th step: when the incinerator startup begins to burn program, control module (1) control air door baffle mechanism (8) action, adjust furnace pressure to maintain-150pa about, in burning process, detect the chimney emission temperature by incinerator smoke temperature sensor (11), if during greater than 375 ℃ then blowing out automatically;
The 5th step: when the incinerator fire box temperature continues to be elevated to 850 ℃, then close auxiliary burner;
The 6th step: when burning finishes, close oil fuel booster pump (12);
The 7th step: control module (1) control air door baffle mechanism (8) action make furnace pressure be stabilized in-100pa about, air exhauster (7) then continues the operation cooled hearth, closes air exhauster (7) and air door baffle mechanism (8) when fire box temperature is reduced to 80 ℃ of safe temperatures.
2. control method of incineration furnace for vessel according to claim 1 is characterized in that the burning pattern described in the step 1 comprises that solid refuse burns pattern, sump oil burns pattern, solid refuse and sump oil and burns pattern jointly.
3. control method of incineration furnace for vessel is characterized in that its control method is when adopting solid refuse to burn pattern:
The first step: press solid refuse burning mode button and enter solid refuse burning program;
Second step: start air exhauster (7) burner hearth is carried out exhausting, whether detect fire box temperature less than 80 ℃ by incinerator fire box temperature sensor (9), if be lower than 80 ℃, full throttle baffle mechanism (8) then, start oil fuel booster pump (12), open auxiliary burner 1# needle-valve (5) and enter ignition procedure, if greater than 80 ℃ then continue operation air exhauster (7) and be lower than 80 ℃ until temperature;
The 3rd step: whether the flame detector detection igniting that carries by sump oil burner (4) is successful, if it is unsuccessful then send the failure alarm signal, automatically blowing out, if light a fire successfully, auxiliary burner 2# needle-valve (6) is opened, strengthen the distributive value of auxiliary fuel, detect fire box temperature by incinerator fire box temperature sensor (9) this moment, if clock time internal furnace temperature reached 600 ℃ in 5 minutes, then begin normal combustion, if clock time internal furnace temperature did not reach 600 ℃ in 5 minutes, then control module (1) sends chamber temperature and crosses low the warning and blowing out automatically;
The 4th step: when the incinerator startup begins to burn program, control module (1) control air door baffle mechanism (8) action, adjust furnace pressure to maintain-150pa about, in burning process, detect the chimney emission temperature by incinerator smoke temperature sensor (11), if during greater than 375 ℃ then blowing out automatically;
The 5th step: when the incinerator fire box temperature continues to be elevated to 850 ℃, then close auxiliary burner 2# needle-valve (6), make solid refuse smooth combustion under the spraying into of a small amount of auxiliary fuel;
The 6th goes on foot: before solid refuse burns setting-up time arrival, if drop into solid refuse once more, need press solid refuse and burn the accumulative total button, then solid refuse burning program meeting continuous service;
The 7th step: when the solid refuse burning finishes, stop oil fuel booster pump (12), close auxiliary burner 1# needle-valve (5);
The 8th step: control module (1) control air door baffle mechanism (8) action make furnace pressure be stabilized in-100pa about, air exhauster (7) then continues the operation cooled hearth, closes air exhauster (7) and air door baffle mechanism (8) when fire box temperature is reduced to 80 ℃ of safe temperatures.
4. control method of incineration furnace for vessel is characterized in that its control method is when adopting sump oil to burn pattern:
The first step: press sump oil burning mode button and enter sump oil burning program;
Second step: open Steam Heating magnetic valve (15) sump oil is heated, start the circulation macerator pump simultaneously
(14) to the sump oil pulverizing that circulates, make the mud granule refinement that contains in the sump oil, sump oil and mud and moisture fully mix, and increase its combustibility;
The 3rd step: sludge collecting tank temperature sensor (16) detects the sump oil temperature and whether reaches temperature required 80 ℃ of burning, when reaching 80 ℃, the sump oil temperature then starts air exhauster (7), whether detect fire box temperature less than 80 ℃ by incinerator fire box temperature sensor (9), if be lower than 80 ℃, full throttle baffle mechanism (8) then, start oil fuel booster pump (12), open auxiliary burner 1# needle-valve (5) and enter ignition procedure, if greater than 80 ℃ then continue operation air exhauster (7) and be lower than 80 ℃ until temperature; The flame detector that carries by sump oil burner (4) detects whether success of igniting, if unsuccessful then send the failure alarm signal, blowing out automatically, if light a fire successfully, auxiliary burner 2# needle-valve (6) is opened, the distributive value of increasing auxiliary fuel; When the incinerator startup begins to burn program, control module (1) control air door baffle mechanism (8) action, adjust furnace pressure to maintain-150pa about, in burning process, detect the chimney emission temperature by incinerator smoke temperature sensor (11), if during greater than 375 ℃ then blowing out automatically;
The 4th step: when fire box temperature is elevated to 400 ℃, starts sump oil variable pump (13), open sump oil burner (4), sump oil is sprayed into burner hearth burn, control module (1) control sump oil variable pump (13) is in the one-level spray regime, and promptly distributive value is minimum;
The 5th step: when fire box temperature continues to be increased to 600 ℃, then close auxiliary burner 2# needle-valve (6), make sump oil variable pump (13) enter the two-stage injection state simultaneously, promptly strengthen the sump oil distributive value, the purpose of doing like this is to make sump oil and auxiliary fuel can be good at cooperating burning, and the best that reaches sump oil is burned effect;
The 6th step: when fire box temperature is elevated to 850 ℃, close auxiliary burner 1# needle-valve 5 and oil fuel booster pump (12), strengthen the sump oil distributive value simultaneously to specified distributive value, sump oil variable pump (13) enters three grades of spray regimes;
The 7th step: when the sludge collecting tank liquid level arrived low level, sludge collecting tank liquid level sensor (17) provided signal, and sump oil burner (4), sump oil variable pump (13), circulation macerator pump (14) and Steam Heating magnetic valve (15) are closed in the blowing out of control system control incinerator;
The 8th step: control module (1) control air door baffle mechanism (8) action make furnace pressure be stabilized in-100pa about, air exhauster (7) then continues the operation cooled hearth, closes air exhauster (7) and air door baffle mechanism (8) when fire box temperature is reduced to 80 ℃ of safe temperatures.
5. control method of incineration furnace for vessel is characterized in that its control method is when adopting solid refuse and sump oil to burn pattern jointly:
The first step: press solid refuse and sump oil and burn mode button jointly, promptly enter solid refuse and sump oil and burn pattern jointly;
Second step: under solid refuse and sump oil burning pattern jointly, control system is controlled the burning that incinerator carries out solid refuse on the one hand, controlling the sump oil system on the other hand starts working, opening Steam Heating magnetic valve (15) heats sump oil, start circulation macerator pump (14) simultaneously to the sump oil pulverizing that circulates, make the mud granule refinement that contains in the sump oil, sump oil and mud and moisture fully mix, and increase its combustibility;
The 3rd step: add burning process when requiring when sump oil satisfies to burn, sludge collecting tank temperature sensor (16) detects the sump oil temperature and whether reaches temperature required 80 ℃ of burning, when reaching 80 ℃, the sump oil temperature then starts air exhauster (7), whether detect fire box temperature less than 80 ℃ by incinerator fire box temperature sensor (9), if be lower than 80 ℃, full throttle baffle mechanism (8) then, start oil fuel booster pump (12), open auxiliary burner 1# needle-valve (5) and enter ignition procedure, if greater than 80 ℃ then continue operation air exhauster (7) and be lower than 80 ℃ until temperature; The flame detector that carries by sump oil burner (4) detects whether success of igniting, if unsuccessful then send the failure alarm signal, blowing out automatically, if light a fire successfully, auxiliary burner 2# needle-valve (6) is opened, the distributive value of increasing auxiliary fuel; When the incinerator startup begins to burn program, control module (1) control air door baffle mechanism (8) action, adjust furnace pressure to maintain-150pa about, in burning process, detect the chimney emission temperature by incinerator smoke temperature sensor (11), if during greater than 375 ℃ then automatically blowing out, when fire box temperature is elevated to 400 ℃, start sump oil variable pump (13), open sump oil burner (4), sump oil is sprayed into burner hearth to be burned, control module (1) control sump oil variable pump (13) is in the one-level spray regime, and promptly distributive value is minimum; When fire box temperature continues to be increased to 600 ℃, then close auxiliary burner 2# needle-valve (6), make sump oil variable pump (13) enter the two-stage injection state simultaneously, promptly strengthen the sump oil distributive value, the purpose of doing like this is to make sump oil and auxiliary fuel can be good at cooperating burning, the best that reaches sump oil is burned effect, when fire box temperature is elevated to 850 ℃, close auxiliary burner 1# needle-valve (5) and oil fuel booster pump (12), strengthen the sump oil distributive value simultaneously to specified distributive value, sump oil variable pump (13) enters three grades of spray regimes, when the sludge collecting tank liquid level arrives low level, sludge collecting tank liquid level sensor (17) provides signal, and sump oil burner (4) is closed in the blowing out of control system control incinerator, sump oil variable pump (13), circulation macerator pump (14) and Steam Heating magnetic valve (15);
The 4th step: when solid refuse and sump oil burn simultaneously, when solid refuse burns that setting-up time arrives and sludge collecting tank liquid level when not reaching low level, control system changes sump oil over to and burns pattern, when solid refuse burned the setting-up time no show if the sludge collecting tank liquid level arrives low level, control system changed solid refuse automatically over to and burns pattern;
The 5th step: in burning process, can continue to drop into solid refuse, will press solid refuse equally and burn the button that adds up;
The 6th step: arrive and sludge collecting tank liquid level when being in low level when the solid refuse burning time, incinerator burns and finishes, and enters the blowing out state;
The 7th step: control module (1) control air door baffle mechanism (8) action make furnace pressure be stabilized in-100pa about, air exhauster (7) then continues the operation cooled hearth, closes air exhauster (7) and air door baffle mechanism (8) when fire box temperature is reduced to 80 ℃ of safe temperatures.
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|---|---|---|---|---|
| CN103851624A (en) * | 2012-11-30 | 2014-06-11 | 陈国良 | Improved intelligent ship incinerator |
| CN103822212B (en) * | 2014-02-19 | 2016-08-17 | 华南理工大学 | A kind of device utilizing marine incinerator fume afterheat to dry ship garbage |
| CN104654311B (en) * | 2014-12-24 | 2017-03-15 | 南京中船绿洲环保有限公司 | A kind of marine incinerator processing system |
| CN106678820A (en) * | 2017-01-13 | 2017-05-17 | 安徽未名鼎和环保有限公司 | Gas cyclic control system for garbage incinerator |
| CN106705114B (en) * | 2017-01-26 | 2019-02-22 | 荏原电产（青岛）科技有限公司 | A kind of waste incineration flame identification control device |
| CN107178783A (en) * | 2017-04-26 | 2017-09-19 | 成都中冶节能环保工程有限公司 | A kind of garbage incineration process for reducing dioxin |
| CN107166396A (en) * | 2017-04-26 | 2017-09-15 | 成都中冶节能环保工程有限公司 | A kind of application method of garbage combustion device |
| CN108167861A (en) * | 2017-12-26 | 2018-06-15 | 江苏旭润机电科技有限公司 | The temperature control system and method for combustion apparatus |
-
2008
- 2008-08-07 CN CN2008100414497A patent/CN101344253B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101344253A (en) | 2009-01-14 |
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