CN203203042U - Incinerator control system - Google Patents
Incinerator control system Download PDFInfo
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- CN203203042U CN203203042U CN2013201796349U CN201320179634U CN203203042U CN 203203042 U CN203203042 U CN 203203042U CN 2013201796349 U CN2013201796349 U CN 2013201796349U CN 201320179634 U CN201320179634 U CN 201320179634U CN 203203042 U CN203203042 U CN 203203042U
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Abstract
The utility model discloses an incinerator control system, which comprises a central processing unit, an analog quantity unit, a digital quantity unit, a temperature sensor and a pressure sensor, wherein the analog quantity unit is connected with the temperature sensor and the pressure sensor and is used for receiving incineration temperature and incineration pressure collected by each sensor, the digital quantity unit is connected with a fuel oil heater, a smoke gas motor and an air door motor of an incinerator and is used for collecting the state quantity of the motors and a burner, the central processing unit is connected with the analog quantity unit and the digital quantity unit, incineration temperature and incineration pressure received by the analog quantity unit as well as the state quantity of the burner and each motor of an igniter collected by the digital quantity unit are fed back to the central processing unit for controlling the on-off state of the air door motor, the smoke gas motor and the fuel heater after being processed, and the burning control is realized on the incinerator. The control system disclosed by the utility model has the advantages that the incineration effect can be fed back in real time, the control system adapts to the complicated incineration control, and the environment-friendly, pollution-free and harmless incineration treatment on garbage is realized.
Description
Technical field
The utility model belongs to the Kiln Control System technical field, is specifically related to a kind of control system of incinerator, is applicable to the burning control of incinerator.
Background technology
Incinerator is be used to the equipment that carries out burning waste, generally comprises flue gas air door, burner throttle, the parts such as several fuel nozzles, oil sludge nozzle.During incinerator work, pass into first just burner hearth heating of fuel oil, equitemperature passes into discarded object than Gao Shizai and burns, and final temperature is controlled at more than 850 degree, and discarded object burns the discharging that can reduce toxic gas under the condition of high temperature.
Need to control by control system during incinerator work, with the openings of sizes of controlling each air door, nozzle etc., the supply size of oil mass, to realize the function with minimum fuel consume, the maximum discarded objects of burning and minimum toxic emission.
At present, special combustion controller is adopted in the control of most of kiln.A kind of incinerator controller is disclosed in the prior art, it adopts sequence controller that each part of appliance in the incinerator is controlled, and it controls each equipment by sequence controller, such as motor, magnetic valves etc. move in required time, thereby realize the work of control incinerator.The sort controller control method is dumb, substantially belongs to open loop control, and complexity is burned not feedback of produce an effect, and since the medelling of the time of burning, its inadaptable complicated burning control, and the effect of burning can't reach various applied environments.
Summary of the invention
The purpose of this utility model is to propose a kind of incineration furnace control system, its control incinerator carries out the optimization burning to oil sludge and solid refuse, can adapt to complicated burning control to burning the effect Real-time Feedback, can carry out environmental protection, pollution-free, harmless treatment to rubbish.
The concrete scheme that realization the utility model purpose adopts is as follows:
A kind of incineration furnace control system, it utilizes oil sludge to finish the burning disposal of rubbish, it is characterized in that, this control system specifically comprises CPU, analog quantity unit, digital quantity unit, temperature sensor and pressure sensor, wherein, described analog quantity unit is connected with pressure sensor with described temperature sensor, is used for receiving incineration temperature and the burning pressure that each sensor gathers; Described digital quantity unit is connected with fuel heater with damper motor, the flue gas motor of incinerator respectively, is used for gathering the quantity of state that receives each motor and fuel heater; Described CPU is connected with the digital quantity unit with described analog quantity unit, each motor of the incineration temperature that this analog quantity unit receives and burning pressure and the collection of digital quantity unit and the quantity of state of fuel heater feed back to this central processor unit and process, thereby control the keying of described damper motor, flue gas motor and fuel heater, realize the burning control to incinerator.
As of the present utility model further preferred, described temperature sensor is a plurality of, comprise flue-gas temperature sensor, fire box temperature sensor and oil sludge temperature sensor, be respectively applied to gather flue-gas temperature, fire box temperature and the oil sludge temperature to be burned of incinerator discharging.
As of the present utility model further preferred, described incineration furnace control system also comprises the frequency converter that is connected with CPU, it is used for the sump oil measuring pump of control supply oil sludge, CPU realizes the adjusting of oil sludge pump output by the rotating speed of this Frequency Converter Control sump oil measuring pump.
As of the present utility model further preferred, described damper motor is a plurality of, comprises flue gas damper motor and burner throttle motor, is respectively applied to control the openings of sizes of flue gas air door and burner throttle.
CPU of the present utility model is according to the parameters such as temperature and pressure of sensor and the input of analog quantity unit, and the information such as position, burning state and warning of digital quantity unit feedback, decision is specifically controlled digital output, the motor that comprises incinerator, the parts such as magnetic valve, and the analog quantity unit provided accurate data, with the control frequency converter, thereby oil pump is quantitatively controlled.
Rationally the quantity delivered of control fuel oil and oil sludge utilizes burner to realize efficient the burning, in the situation that the consumes least fuel oil, the more oil sludge of burning disposal is controlled at 850-1150 ℃ with fire box temperature, and flue-gas temperature is controlled in 350 ℃.Saved fuel, significantly reduced the discharging of bioxin, fume emission reaches " requirement of GB/T10836-2008 marine incinerator " standard after testing.Have reliability high, easy to operate, the characteristics such as the incineration temperature precise control is stable.
Description of drawings
Fig. 1 is the structured flowchart of control system of the present utility model.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As shown in Figure 1, incineration furnace control system of the present utility model is by utilizing oil sludge to finish the burning disposal of rubbish, and this control system specifically comprises CPU 1, analog quantity unit 2, digital quantity unit 3, temperature sensor 4, pressure sensor 5 and frequency converter 6.
Analog quantity unit 2 and temperature sensor 4 are connected with pressure sensor and are connected.Temperature sensor 4 is a plurality of, comprises flue-gas temperature sensor, fire box temperature sensor and oil sludge temperature sensor, is respectively applied to gather flue-gas temperature, fire box temperature and the oil sludge temperature to be burned of incinerator discharging.Pressure sensor 5 is used for gathering the pressure in the burner hearth.These collection values are sent in the analog quantity unit 2 by holding wire, and further are input in the CPU 1 to process.
Digital quantity unit 3 is connected with fuel heater with damper motor, the flue gas motor of incinerator respectively, be used for to gather receives the various motors of incinerator and the quantity of state of burner, and is input in the CPU 1 and processes.Damper motor can for a plurality of, such as comprising flue gas damper motor, burner throttle motor etc., be respectively applied to control the openings of sizes of flue gas air door and burner throttle.
Frequency converter 6 is electrically connected with the sump oil measuring pump of CPU 1 and incinerator respectively, CPU 1 is according to the corresponding control frequency converter 6 of input quantity of analog quantity unit 2 and digital quantity unit 3 feedbacks, and then the rotating speed of control sump oil measuring pump, adjusting pumps into the supply of the oil sludge of incinerator, with the burning in the control incinerator.
In the present embodiment, the CPU 1 of control system is connected with the digital quantity unit with analog quantity unit 2 and is connected, each motor of burning device that the incineration temperature that this analog quantity unit 2 receives and burning pressure and digital quantity unit 3 gather and the quantity of state of burner feed back to this central processor unit 1 and process, thereby the keying of control damper motor, flue gas motor and fuel heater realizes the burning control to incinerator.
CPU 1 in the utility model is according to the parameters such as temperature and pressure of analog quantity unit 2 inputs, and the information such as position, burning state and warning of digital quantity unit 3 feedbacks, decision is specifically controlled digital output, the motor that comprises incinerator, the parts such as magnetic valve, and the analog quantity unit provided accurate data, with the control frequency converter, thereby oil pump is quantitatively controlled.
In the present embodiment, the equipment that incinerator need to be controlled can comprise flue gas damper motor, burner throttle motor, flue gas blower fan, burner motor, fuel heater, sump oil heater contactor, sump oil measuring pump, fuel nozzle and sump oil air shut-off valve etc.Need the digital quantity of monitoring to input 13 the tunnel, the equipment that is attached thereto mainly contains the duty etc. of overload, frequency converter error status, fuel pressure alarm condition, air pressure alarm condition, fuel oil temperature state, sump oil state of temperature and the equipment such as air door and door lock of the large power consuming device such as various motors and heater.
Need the analog input 4 tunnel of sampling, the equipment that is attached thereto mainly is flue-gas temperature sensor, fire box temperature sensor, combustion chamber draft power sensor and oil sludge temperature sensor etc.
Need the analog quantity 1 tunnel of output, the equipment that is attached thereto is frequency converter, and frequency converter is connected with the sump oil measuring pump.
The control of all parts all is to be carried out by the program in the PLC middle controller, and program is controlled each equipment in real time according to sensor and various status switch feedack, reaches the purpose of reasonable burning.
When the control system control incinerator of the present embodiment was worked, concrete control procedure was preferably as follows:
1) reaches 600 ℃ from igniting to fire box temperature
Begin to burn 3 grades of burnings of startup, 2 fuel nozzles are worked simultaneously.For guaranteeing that furnace wall temperature guarantees simultaneously that normally fire box temperature raises faster, the rear very little aperture of flue gas airdoor control of lighting a fire, combustion chamber draft maintains 5-20Pa, and the flue gas throttle opening is by temperature and combustion chamber draft regulation and control.
2) fire box temperature 600-650 ℃
This stage is extremely important, the ordinary circumstance that begins to burn for the black furnace thorax, the thermal insulation separation thermosphere of burner hearth will absorb a large amount of thermally-stabilised balances of heat guarantee, require simultaneously furnace wall temperature normal, the flue gas throttle opening is more bigger than 0-600 ℃ of stages, negative pressure slightly improves, and maintains 30-50Pa, rises to 650 ℃ of needs long periods from 599 ℃.
2) fire box temperature is 650-1000 ℃
Fire box temperature reaches after 650 ℃, the flue gas throttle opening increases, and combustion chamber draft raises, when negative pressure reaches 50Pa, air valve is opened, compressed air-atomized oil sludge is injected into burner hearth and participates in burning, and 2 fuel nozzles and 1 oil sludge nozzle are worked simultaneously, and incinerator enters 6 grades of maximum burnings, temperature increase is very fast, the flue gas throttle opening increases synchronously, and negative pressure maintains about 60Pa, reduces afterwards the burning grade in 30 seconds.According to the calorific value of oil sludge, control system will be adjusted burning grade and each throttle opening in good time later on.The basic principle of its control is with the minimum maximum oil sludge for the treatment of of fuels; When the oil sludge calorific value is high, reduce the burning grade, spray less fuel oil; Otherwise, when the oil sludge calorific value hangs down, for keeping fire box temperature more than 850 ℃, need many spray fuel oils, spray less oil sludge.
3) fire box temperature 1000-1150 ℃
Fire box temperature reach more than 1000 ℃ the time, oil sludge can burn separately, flue-gas temperature is generally more than 300 ℃.The burner hearth maximum temperature is set in 1150 ℃, maximum smoke temperature is set in 350 ℃, when having one to surpass setting value in these two temperature, control system will reduce the supply of oil sludge, namely enter 0 grade of burning, 0 grade of burning is to burn separately oil sludge, and a kind of burning grade that the supply of oil sludge progressively reduces, this moment, fire box temperature and flue-gas temperature reduced gradually, when fire box temperature is reduced to 1100 ℃, control system is adjusted into 7 grades with burning, namely burn separately oil sludge, and the supply of oil sludge increases progressively.
This control system use the FLT18 type ship with incinerator on, realized the high efficiency burning, the incinerator indices all meets the related request in the MEPC.7640 resolution, detects through the specialty of spectrum Buddhist nun measuring technology Co., Ltd, testing result is as follows:
Claims (4)
1. incineration furnace control system, it utilizes oil sludge to finish the burning disposal of rubbish, it is characterized in that, this control system specifically comprises CPU (1), analog quantity unit (2), digital quantity unit (3), temperature sensor (4) and pressure sensor (5), wherein
Described analog quantity unit (2) is connected 5 with described temperature sensor (4) with pressure sensor) be connected, be used for receiving incineration temperature and the burning pressure that each sensor gathers; Described digital quantity unit (3) is connected with fuel heater with damper motor, the flue gas motor of incinerator respectively, is used for gathering the quantity of state that receives each motor and fuel heater; Described CPU (1) is connected 3 with described analog quantity unit (2) with the digital quantity unit) be connected, each motor that the incineration temperature that this analog quantity unit (2) receives and burning pressure and digital quantity unit (3) gather and the quantity of state of fuel heater feed back to this central processor unit (1) and process, thereby control the keying of described damper motor, flue gas motor and fuel heater, realize the burning control to incinerator.
2. a kind of incineration furnace control system according to claim 1, it is characterized in that, described temperature sensor (4) is a plurality of, comprise flue-gas temperature sensor, fire box temperature sensor and oil sludge temperature sensor, be respectively applied to gather flue-gas temperature, fire box temperature and the oil sludge temperature to be burned of incinerator discharging.
3. a kind of incineration furnace control system according to claim 1 and 2, it is characterized in that, described incineration furnace control system also comprises the frequency converter (6) that is connected with CPU (1), it is used for the sump oil measuring pump of control supply oil sludge, CPU (1) realizes the adjusting to the oil sludge pump output by the rotating speed of this frequency converter (6) control sump oil measuring pump.
4. a kind of incineration furnace control system according to claim 1 and 2 is characterized in that, described damper motor is a plurality of, comprises flue gas damper motor and burner throttle motor, is respectively applied to control the openings of sizes of flue gas air door and burner throttle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201796349U CN203203042U (en) | 2013-04-11 | 2013-04-11 | Incinerator control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201796349U CN203203042U (en) | 2013-04-11 | 2013-04-11 | Incinerator control system |
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| CN203203042U true CN203203042U (en) | 2013-09-18 |
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| CN2013201796349U Expired - Fee Related CN203203042U (en) | 2013-04-11 | 2013-04-11 | Incinerator control system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090991A (en) * | 2015-08-26 | 2015-11-25 | 南京中船绿洲环保有限公司 | Intelligent frequency conversion marine incinerator control system |
| CN106224977A (en) * | 2016-07-21 | 2016-12-14 | 广州航海学院 | The ship-shore cooperation monitoring system of marine incinerator and operation conditions authentication method |
| CN106439858A (en) * | 2016-11-17 | 2017-02-22 | 山东大学 | Complex feedforward control method for circulation and quenching of hazardous waste incineration flue gas |
| CN110180860A (en) * | 2019-04-24 | 2019-08-30 | 山西熔融环保科技有限公司 | A kind of othermohygrometer control method of heat storage type combustion fuse salt refuse treatment plant |
| CN113087327A (en) * | 2021-04-22 | 2021-07-09 | 中关村至臻环保股份有限公司 | Oil sludge treatment system |
-
2013
- 2013-04-11 CN CN2013201796349U patent/CN203203042U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090991A (en) * | 2015-08-26 | 2015-11-25 | 南京中船绿洲环保有限公司 | Intelligent frequency conversion marine incinerator control system |
| CN106224977A (en) * | 2016-07-21 | 2016-12-14 | 广州航海学院 | The ship-shore cooperation monitoring system of marine incinerator and operation conditions authentication method |
| CN106439858A (en) * | 2016-11-17 | 2017-02-22 | 山东大学 | Complex feedforward control method for circulation and quenching of hazardous waste incineration flue gas |
| CN106439858B (en) * | 2016-11-17 | 2018-06-05 | 山东大学 | A kind of dangerous waste incineration flue gas Xun Huan and the complicated feed forward control method of chilling |
| CN110180860A (en) * | 2019-04-24 | 2019-08-30 | 山西熔融环保科技有限公司 | A kind of othermohygrometer control method of heat storage type combustion fuse salt refuse treatment plant |
| CN110180860B (en) * | 2019-04-24 | 2021-07-20 | 山西熔融环保科技有限公司 | Air pressure temperature control method of heat accumulating type combustion molten salt garbage treatment equipment |
| CN113087327A (en) * | 2021-04-22 | 2021-07-09 | 中关村至臻环保股份有限公司 | Oil sludge treatment system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20140411 |