CN108072283A - A kind of furnace control and control method - Google Patents
A kind of furnace control and control method Download PDFInfo
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- CN108072283A CN108072283A CN201711330394.7A CN201711330394A CN108072283A CN 108072283 A CN108072283 A CN 108072283A CN 201711330394 A CN201711330394 A CN 201711330394A CN 108072283 A CN108072283 A CN 108072283A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D21/0014—Devices for monitoring temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D21/04—Arrangements of indicators or alarms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0003—Monitoring the temperature or a characteristic of the charge and using it as a controlling value
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0075—Regulation of the charge quantity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0078—Regulation of the speed of the gas through the charge
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
The invention discloses a kind of furnace control and control method, control system includes：Rich oxygen generation system, for generating oxygen rich gas；Sensor measuring system, furnace temperature sensor, the cooling-water temperature sensor for detecting water temperature, the humidity sensor for detecting oxygen rich gas humidity, the pressure sensor for detecting nozzle exit pressure, the oxygen concentration sensor for detecting oxygen concentration in stove including being used to detect furnace temperature；Furnace Temperature Control System, including be used to light a fire igniter, for added in into stove the vibrating motor of fuel, circulate for providing water power water circulating pump, for oxygen rich gas is passed through in stove booster fan, for air to be passed through in stove and dispels the air-introduced machine of fuel.The intelligent control to entire furnace system can be achieved in the present invention, greatly improves fuel economy, easy to operate, saves labour turnover.
Description
Technical field
The present invention relates to industrial furnace apparatus fields, relate in particular to a kind of furnace control and control method.
Background technology
Industrial furnace is the main equipment of industry heating, and quantity is more, species is complicated, high energy consumption, each row of national economy
Industry is all widely used.It although there are many China's industrial furnace burning in recent years and control technology research, does not significantly improve, fires
Efficiency is burnt less than 30%, and the degree of automation is not high.
Stove efficiency of combustion is low mass energy to be caused to waste, and very big loss can be not only brought to factory, can also make air
Pollution aggravates.Stove the degree of automation is low, can make operating personnel using the several personnel of very inconvenient or even needs to operate, and increases
Many costs of labor are added.Therefore, improving stove efficiency of combustion and the degree of automation becomes the important method for improving stove performance.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of energy and realize the full-automatic operation of entire furnace system, improve
The furnace control and control method of efficiency of combustion.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：A kind of furnace control, including：
Rich oxygen generation system, for generating oxygen rich gas；
Sensor measuring system, including being used to detecting the furnace temperature sensor of furnace temperature, for detecting the cooling-water temperature sensor of water temperature, use
Humidity sensor in detection oxygen rich gas humidity, for detect nozzle exit pressure pressure sensor, for detecting oxygen in stove
The oxygen concentration sensor of concentration；
Furnace Temperature Control System, including be used to light a fire igniter, for fuel is added in into stove vibrating motor, for carrying
The water circulating pump of watering cycle mobilization dynamic, for oxygen rich gas is passed through in stove booster fan, for air to be passed through stove
Air-introduced machine that is interior and dispelling fuel.
Further, the rich oxygen generation system includes the ventilation blower, air filter, the oxygen-enriched membrane oxygen-producing that are sequentially communicated
Machine, vacuum pump, moisture separator and systems for moisture removal, the oxygen rich gas outlet of the richness oxygen generation system connect with the booster fan
It is logical.
The present invention is based on the stove control methods of above-mentioned control system, comprise the following steps：
(1) parameter setting
Initial frequency is set respectively to booster fan, air-introduced machine and vibrating motor, is set respectively to vibrating motor and air-introduced machine
Determine stable frequency, and control parameter is set, control parameter includes vibrating motor and opens furnace temperature, igniter closing furnace temperature, igniter
Reopen furnace temperature, water pump opens furnace temperature, the furnace temperature upper limit, furnace temperature lower limit, the water temperature upper limit, the furnace temperature limit, the water temperature limit, furnace temperature report
The alert limit, water temperature alarm limit；
(2) intelligent decision controls
Start sensor measuring system, booster fan and air-introduced machine is made to be run according to initial frequency, open igniter, it is then right
Stove carries out feedback regulation, and feedback regulation includes furnace temperature feedback regulation and water temperature feedback regulation；
The detailed process of furnace temperature feedback regulation is as follows：
When furnace temperature, which reaches vibrating motor, opens furnace temperature, vibrating motor is automatically turned on, vibrating motor is transported according to initial frequency
It goes, starts in stove into fuel；
When furnace temperature, which reaches igniter, closes furnace temperature, igniter is automatically closed, and is opened again when furnace temperature drops to igniter
When opening furnace temperature, igniter is reopened；
When furnace temperature, which reaches water pump, opens furnace temperature, water circulating pump is automatically turned on, meanwhile, vibrating motor is transported according to stable frequency
Row, air-introduced machine are also run according to stable frequency；
When furnace temperature reaches the furnace temperature upper limit, vibrating motor frequency and booster fan frequency are reduced, until furnace temperature declines, and is worked as
When furnace temperature drops to furnace temperature lower limit or too fast decrease speed, increase vibrating motor frequency or booster fan frequency；
When furnace temperature reaches the furnace temperature limit, vibrating motor is closed；
When furnace temperature reaches furnace temperature alarm limit, alarm simultaneously enters closing flow path.
The detailed process of water temperature feedback regulation is as follows：
When water temperature reaches the water temperature upper limit, no matter furnace temperature how much, reduces vibrating motor frequency and booster fan frequency；
When water temperature reaches the water temperature limit, vibrating motor is closed；
When water temperature reaches water temperature alarm limit, alarm simultaneously enters closing flow path.
Further, the furnace temperature upper limit is set to 850 DEG C, and furnace temperature lower limit is set to 500 DEG C, and the water temperature upper limit is set to 88 DEG C, furnace temperature pole
Limit is set to 1000 DEG C, and the water temperature limit is set to 95 DEG C, and furnace temperature alarm limit is set to 1200 DEG C, and water temperature alarm limit is set to 98 DEG C.
Further, the concentration of oxygen is higher than 21% in the oxygen rich gas of rich oxygen generation system generation.
Beneficial effects of the present invention are embodied in：
Furnace control of the present invention is the hardware support of entire furnace system, and stable oxygen-enriched and combustion is provided for stove
Material, and data reference is provided for stove control method, accurately each equipment can be controlled.
Stove control method of the present invention can realize the intelligent control to entire furnace system, when in use, set parameter
Afterwards, a key enters intelligent decision control, system can oneself according to oxygen concentration in furnace temperature and lower water temperature charging rate and stove,
It is abnormal meeting automatic alarm and provides alarm, whole system can be closed if necessary.The present invention can greatly improve fuel
Efficiency of combustion, efficiency of combustion can reach 35%~42%, and realize the full-automatic operation of entire furnace system, easy to operate,
It saves labour turnover.
Description of the drawings
Fig. 1 is the composition frame chart of one embodiment of the invention furnace control.
Fig. 2 is the composition frame chart of the sensor measuring system in one embodiment of the invention furnace control.
Fig. 3 is the composition frame chart of the Furnace Temperature Control System in one embodiment of the invention furnace control.
Specific embodiment
The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.It should be noted that in the feelings not conflicted
Under condition, the feature in embodiment and embodiment in the application can be mutually combined.
Referring to Fig. 1, Fig. 2 and Fig. 3.
The furnace control of the present invention, including：
Rich oxygen generation system, for generating oxygen rich gas；
Sensor measuring system, including being used to detecting the furnace temperature sensor of furnace temperature, for detecting the cooling-water temperature sensor of water temperature, use
Humidity sensor in detection oxygen rich gas humidity, for detect nozzle exit pressure pressure sensor, for detecting oxygen in stove
The oxygen concentration sensor of concentration；
Furnace Temperature Control System, including be used to light a fire igniter, for fuel is added in into stove vibrating motor, for carrying
The water circulating pump of watering cycle mobilization dynamic, for oxygen rich gas is passed through in stove booster fan, for air to be passed through stove
Air-introduced machine that is interior and dispelling fuel.
In specific implementation, air blower is may be equipped with, for cleaning the dust in stove.
In one embodiment, the rich oxygen generation system includes the ventilation blower, air filter, oxygen permeable membrane system that are sequentially communicated
Oxygen machine, vacuum pump, moisture separator and systems for moisture removal, the oxygen rich gas outlet of the richness oxygen generation system and the booster fan
Connection.Under ventilation blower effect, air enters air filter, successively by the filtering of air filter, oxygen-enriched membrane oxygen-producing machine
Oxygen enrichment processing, the extraction of vacuum pump is raw after the dehumidification processing of the removal moisture solution and systems for moisture removal of moisture trap
Into the oxygen rich gas needed for stove.
In one embodiment, the concentration of oxygen is higher than 21% in the oxygen rich gas of rich oxygen generation system generation.It is more empty than normal
Oxygen concentration is high in gas, and fuel is contributed to more fully to burn in furnace body.Present invention preferably employs rice husk as fuel.
In the present invention, air-introduced machine, igniter, booster fan in Furnace Temperature Control System are opened, furnace temperature can be made slowly to increase,
It is raised in furnace temperature and opens vibrating motor and water pump again to a certain degree, make furnace temperature further up, fuel feed rate is by vibration electricity
The FREQUENCY CONTROL of machine, the admission velocity of oxygen rich gas by booster fan FREQUENCY CONTROL, so as to control the concentration of oxygen in furnace body；
Current furnace temperature, water temperature, the ginsengs such as oxygen concentration, nozzle exit pressure and oxygen-enriched humidity in stove are monitored by sensor measuring system in real time
Number, system realize the feedback control to entire stove according to the data message of detection.
For convenience of furnace control of the present invention is understood, controlled with reference to the stove based on furnace control of the present invention
Method is described in detail.
Stove control method is that each equipment state of whole system and sensing data are divided by upper computer software
Analysis, then makes intelligent decision, by this set control method, can realize automatic control, pilot process is without manually doing
In advance.Control method mainly includes three parameter setting, intelligent decision control, alarm parts：
Parameter setting is that some key factors during intelligent decision control and easy variable are configured；
Intelligent decision control is after whole system startup, according to the data set in parameter setting, successively to each
Equipment is opened or closed, and according in each equipment state and sensor measuring system acquisition come data, it is entire to judge
The operation reserve of system.During Decision Control, furnace temperature and the water temperature reference factor important as two, when furnace temperature or water temperature
It is raised and lowered, by adjusting vibrating motor frequency, furnace temperature or water temperature are stablized in booster fan frequency, igniter start and stop；
Alarm is during intelligent decision control, according to the number of each equipment state and sensor measuring system acquisition
According to, judging equipment, whether failure, furnace temperature or water temperature excessively high, whether feed opening is blocked, if there are abnormal conditions, alarm
System immediately alarms and provides prompting, if necessary can halt system operation.
Stove control method, specifically includes following steps：
(1) parameter setting
Initial frequency is set respectively to booster fan, air-introduced machine and vibrating motor, is set respectively to vibrating motor and air-introduced machine
Determine stable frequency, and control parameter is set, control parameter includes vibrating motor and opens furnace temperature, igniter closing furnace temperature, igniter
Reopen furnace temperature, water pump opens furnace temperature, the furnace temperature upper limit, furnace temperature lower limit, the water temperature upper limit, the furnace temperature limit, the water temperature limit, furnace temperature report
The alert limit, water temperature alarm limit；
(2) intelligent decision controls
Start sensor measuring system, booster fan and air-introduced machine is made to be run according to initial frequency, open igniter, it is then right
Stove carries out feedback regulation, and feedback regulation includes furnace temperature feedback regulation and water temperature feedback regulation；
The detailed process of furnace temperature feedback regulation is as follows：
Due to the effect of igniter, furnace temperature rises, and when furnace temperature, which reaches vibrating motor, opens furnace temperature, automatically turns on vibration electricity
Machine, vibrating motor are run according to initial frequency, are started in stove into fuel；
Due to fuel combustion, furnace temperature continues to rise, and when furnace temperature, which reaches igniter, closes furnace temperature, igniter is automatically closed,
Since igniter is closed, furnace temperature can also decline after a period of time is risen, and reopen furnace temperature when furnace temperature drops to igniter
When, igniter is reopened, certainly, furnace temperature rises again, when rising to igniter closing furnace temperature, is again switched off igniter,
Since fuel fully burns under oxic processes, along with there is partial heat aggregation in burner hearth, behind furnace temperature be not easy to fall again
Come；
As furnace temperature rises, when furnace temperature, which reaches water pump, opens furnace temperature, water circulating pump is automatically turned on, meanwhile, vibrating motor
It is run according to stable frequency, air-introduced machine is also run according to stable frequency；
Furnace temperature grows steadily, and when furnace temperature reaches the furnace temperature upper limit, reduces vibrating motor frequency and booster fan frequency, purpose
It is to reduce fuel-feed amount and reduce oxygen concentration in stove, furnace temperature situation of change can be tracked in the process, if without dropping in time
Get off, continue to reduce vibrating motor frequency or booster fan frequency, until furnace temperature declines, and when furnace temperature drop to furnace temperature lower limit or
During decrease speed too fast (more than 10 DEG C/s), inlet amount and oxygen content in stove are increased with this, and continue to track furnace temperature variation, if
Temperature does not rise in time, continues to increase vibrating motor frequency or booster fan frequency；
And when furnace temperature reaches the furnace temperature limit, vibrating motor is closed, stops the feeding in stove, if on furnace temperature continues
It rises, when reaching furnace temperature alarm limit, system alarm simultaneously enters closing flow path.
The detailed process of water temperature feedback regulation is as follows：
After a period of time of burning, water temperature is also constantly rising stove, when water temperature reaches the water temperature upper limit, no matter furnace temperature
How much, vibrating motor frequency and booster fan frequency are reduced, while the situation of change of water temperature is tracked, if being to continue with rising, continue
Reduce vibrating motor or booster fan frequency；
And when water temperature reaches the water temperature limit, vibrating motor is closed, stops the feeding in stove, if on water temperature continues
It rises, when reaching water temperature alarm limit, system alarm simultaneously enters closing flow path.
The present invention is constantly detected and adjusted by system, achievees the purpose that intelligent control；In specific implementation, transported in stove
During row, any device fails, system will alarm and provide alarm, while whole system enters closing stream
Journey.
In one embodiment, vibrating motor opens furnace temperature and is set to 150 DEG C, and igniter closes furnace temperature and is set to 260 DEG C, igniter
It reopens furnace temperature and is set to 200 DEG C, water pump opens furnace temperature and is set to 300 DEG C.Furnace temperature is set to 150 DEG C, and the fuel added at this time can
It can start to burn, furnace temperature is set to 260 DEG C, shows flameholding, and igniter power-assisted is not required, when furnace temperature is less than 200 DEG C, shows
It burns insufficient, it is necessary to igniter power-assisted, when furnace temperature reaches 300 DEG C, ON cycle water, heat transfer efficiency higher.
In one embodiment, the furnace temperature upper limit is set to 850 DEG C, and furnace temperature lower limit is set to 500 DEG C, and the water temperature upper limit is set to 88 DEG C, stove
The warm limit is set to 1000 DEG C, and the water temperature limit is set to 95 DEG C, and furnace temperature alarm limit is set to 1200 DEG C, and water temperature alarm limit is set to 98
℃.In-furnace temperature is maintained at 500 DEG C or more, on the one hand can burn steadily stove, on the other hand can ensure water temperature not
It can decline too fast；850 DEG C of the furnace temperature upper distance limit furnace temperature limit has certain surplus, and in the higher furnace temperature close to 850 DEG C
Under, water temperature can be made to rise to obtain faster higher (ideal water temperatures are at 83 DEG C~88 DEG C)；The furnace temperature limit is set to 1000 DEG C, apart from furnace temperature report
The alert limit has certain surplus；Furnace temperature is more than 1200 DEG C of service lifes that can influence stove；The water temperature upper limit be arranged to 88 DEG C be because
It is ideal water temperatures at 83 DEG C~88 DEG C；The water temperature limit is set to 95 DEG C, has apart from the water temperature upper limit and water temperature alarm limit certain remaining
Amount；A large amount of vapor can be generated when water temperature reaches 100 DEG C, are breakneck for closed water circulation system, so water temperature
Alarm limit is set to 98 DEG C.
In one embodiment, the initial frequency of vibrating motor is set to 24HZ, and the stable frequency of vibrating motor is set to 26HZ, increases
The initial frequency of pressure fan is set to 30HZ, and the initial frequency of air-introduced machine is set to 15HZ, and the stable frequency of air-introduced machine is set to 35HZ.
Just starting stove just to light, furnace temperature is not come up also, so inlet amount cannot be too big, it otherwise, can be because fuel (rice
Shell) accumulation cause stove extinguish or detonation, the initial frequency that vibrating motor is set to 24HZ is just moderate, furnace temperature stablize (300
DEG C) after, vibration frequency is improved to 26HZ, inlet amount increases, and furnace temperature is made continually and steadily to increase.Due to just starting inlet amount
Small, furnace temperature is low, and air inducing unit frequency should not be too big, otherwise can take away most of heat, furnace temperature is made to increase difficult, air-introduced machine starting frequency
Rate is set to 15HZ, and can either dispel fuel will not take away many heats again, after furnace temperature stablizes (300 DEG C), with vibration electricity
Air inducing unit frequency is increased to 35HZ, fuel is made fully to be dispelled by the increasing of unit frequency, and burning is more abundant.Booster fan rises
Beginning frequency is set to 30HZ, and to be that inventor is had found in the practice of the invention optimum.
In one embodiment, the concentration of oxygen is higher than 21% in the oxygen rich gas of rich oxygen generation system generation.Oxygen is in sky
Accounting in gas is 20.947%, and the oxygen concentration of oxygen rich gas can significantly improve combustion thermal efficiency higher than 21%, the row of reduction
Smoke.
In one embodiment, when nozzle exit pressure reaches 1.5MPa, booster fan frequency is reduced, when detecting oxygen rich gas
Humidity is more than 80%, adjusts oxygen-enriched generating means, oxygen rich gas humidity is made to drop within 80%.Nozzle and rich oxygen generation system
The pressure that can be born is limited, and pressure can meet system requirements and upper pressure limit within 1.5MPa, work as nozzle
Pressure is more than 1.5MPa, and system can be there are risk, therefore to reduce booster fan frequency；When oxygen rich gas humidity is more than 80%,
It is unfavorable for stove fuel combustion, therefore oxygen rich gas humidity will be controlled within 80%.
In one embodiment, vibrating motor frequency and booster fan frequency increase or decline carried out on the basis of 1HZ
Increase or decline.It so designs, system operation and regulation and control are more stablized.
It should be understood that example as described herein and embodiment are not intended to limit the invention, this field only for explanation
Technical staff can make various modifications or variation according to it, within the spirit and principles of the invention, any modification for being made,
Equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of furnace control, which is characterized in that including：
Rich oxygen generation system, for generating oxygen rich gas；
Sensor measuring system, including be used to detecting furnace temperature furnace temperature sensor, for detect water temperature cooling-water temperature sensor, for examining
Survey oxygen rich gas humidity humidity sensor, for detect nozzle exit pressure pressure sensor, for detecting oxygen concentration in stove
Oxygen concentration sensor；
Furnace Temperature Control System, including be used to light a fire igniter, for fuel is added in into stove vibrating motor, for providing water
Circulate power water circulating pump, for oxygen rich gas is passed through in stove booster fan, for air to be passed through in stove simultaneously
Dispel the air-introduced machine of fuel.
2. furnace control as described in claim 1, which is characterized in that the richness oxygen generation system includes what is be sequentially communicated
Ventilation blower, air filter, oxygen-enriched membrane oxygen-producing machine, vacuum pump, moisture separator and systems for moisture removal, the richness oxygen generation system
Oxygen rich gas outlet is connected with the booster fan.
3. a kind of stove control method of the control system based on described in claim 1 or 2, which is characterized in that including following step
Suddenly：
(1) parameter setting
Initial frequency is set respectively to booster fan, air-introduced machine and vibrating motor, is set respectively surely to vibrating motor and air-introduced machine
Determine frequency, and control parameter is set, control parameter includes vibrating motor and opens furnace temperature, igniter closing furnace temperature, igniter again
Open furnace temperature, water pump unlatching furnace temperature, the furnace temperature upper limit, furnace temperature lower limit, the water temperature upper limit, the furnace temperature limit, the water temperature limit, furnace temperature alarm pole
Limit, water temperature alarm limit；
(2) intelligent decision controls
Start sensor measuring system, booster fan and air-introduced machine is made to be run according to initial frequency, igniter is opened, then to stove
Feedback regulation is carried out, feedback regulation includes furnace temperature feedback regulation and water temperature feedback regulation；
The detailed process of furnace temperature feedback regulation is as follows：
When furnace temperature, which reaches vibrating motor, opens furnace temperature, vibrating motor is automatically turned on, vibrating motor is run according to initial frequency, stove
Inside start into fuel；
When furnace temperature, which reaches igniter, closes furnace temperature, igniter is automatically closed, and stove is reopened when furnace temperature drops to igniter
Wen Shi reopens igniter；
When furnace temperature, which reaches water pump, opens furnace temperature, water circulating pump is automatically turned on, meanwhile, vibrating motor is run according to stable frequency,
Air-introduced machine is also run according to stable frequency；
When furnace temperature reaches the furnace temperature upper limit, vibrating motor frequency and booster fan frequency are reduced, until furnace temperature declines, and works as furnace temperature
When dropping to furnace temperature lower limit or too fast decrease speed, increase vibrating motor frequency or booster fan frequency；
When furnace temperature reaches the furnace temperature limit, vibrating motor is closed；
When furnace temperature reaches furnace temperature alarm limit, alarm simultaneously enters closing flow path.
The detailed process of water temperature feedback regulation is as follows：
When water temperature reaches the water temperature upper limit, no matter furnace temperature how much, reduces vibrating motor frequency and booster fan frequency；
When water temperature reaches the water temperature limit, vibrating motor is closed；
When water temperature reaches water temperature alarm limit, alarm simultaneously enters closing flow path.
4. stove control method as claimed in claim 3, which is characterized in that the furnace temperature upper limit is set to 850 DEG C, and furnace temperature lower limit is set to
500 DEG C, the water temperature upper limit is set to 88 DEG C, and the furnace temperature limit is set to 1000 DEG C, and the water temperature limit is set to 95 DEG C, and furnace temperature alarm limit is set to
1200 DEG C, water temperature alarm limit is set to 98 DEG C.
5. stove control method as claimed in claim 3, which is characterized in that oxygen in the oxygen rich gas of rich oxygen generation system generation
The concentration of gas is higher than 21%.
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| CN111521003A (en) * | 2020-04-29 | 2020-08-11 | 杭州特盈能源技术发展有限公司 | Intelligent control oxygen-enriched firing system and method for kiln |
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| CN108072283B (en) | 2019-05-17 |
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