CN108089470A - A kind of remodeling method of control system of dust removal fan and dust pelletizing system - Google Patents
A kind of remodeling method of control system of dust removal fan and dust pelletizing system Download PDFInfo
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- CN108089470A CN108089470A CN201810139918.2A CN201810139918A CN108089470A CN 108089470 A CN108089470 A CN 108089470A CN 201810139918 A CN201810139918 A CN 201810139918A CN 108089470 A CN108089470 A CN 108089470A
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- negative pressure
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
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Abstract
The present invention relates to dedusting fan control field more particularly to a kind of control system of dust removal fan and the method being transformed to dust pelletizing system.To solve the problems, such as that existing dust pelletizing system waste of energy and production cost are high, the present invention proposes a kind of control system of dust removal fan, including：Electrically operated valve controls the on/off of dust collection pipe；Gas negative pressure sensor gathers the real gas negative pressure value P in dust collection pipe in real time；Intelligent treatment device, including intelligent control module, timing module, human-computer interaction module and speed adjusting module, production period and gas negative pressure setting value D are equipped in intelligent control module, the production period according to residing for time signal determines dust pelletizing system, when the quantity of in running order production equipment changes within the production period, corresponding electrically operated valve is turned on and off, the rotating speed of speed adjusting module adjusting dedusting fan is made according to least favorable principle and P, until P and D is lasting equal.The control system of dust removal fan is energy saving, reduces production cost.
Description
Technical field
The present invention relates to dedusting fan control field more particularly to a kind of control system of dust removal fan and to dust pelletizing system into
The method of row transformation.
Background technology
At present, China's economy is economizing type growth pattern, therefore, industrial energy saving emission reduction by rough growth type Mode change
Necessary work is become.
In various industrial sites, for dust is avoided to be directly discharged to cause great environmental pollution in air, therefore
For different dirt sources, dust pelletizing system is equipped with, to reduce dust discharge amount.But when designing dust pelletizing system, to avoid removing
Dedusting fan in dirt system insufficient pressure during the work time, when selecting dedusting fan, usually all leaves the remaining of 10%-20%
Amount, the phenomenon that this results in dust pelletizing system generally existing low load with strong power, and then the phenomenon that dust pelletizing system is caused to waste electric energy compared with
To be serious.
During actual industrial production, with the variation of yield and production technology, it usually needs to being received in dust pelletizing system
Gas flow and pressure in dirt pipeline are adjusted, to meet dedusting demand.Since the dedusting fan in dust pelletizing system is usual
It is to be operated according to rated speed, therefore most common adjusting method is the aperture of the inlet vane by adjusting dedusting fan to adjust
Gas flow and pressure in dust collection pipe.Although this adjusting method disclosure satisfy that dust removal requirement, but dedusting fan is big
Part energy consumption is all used for system valve caused by overcoming inlet vane and hinders, and causes energy loss.In addition, this adjusting method is usually
By manually or it is electronic complete the adjusting of the aperture of the inlet vane of dedusting fan, it is troublesome in poeration and with hysteresis
Property, the workload of producers had not only been added, but also can not ensure control accuracy, in turn result in substantial amounts of energy waste and equipment damage
Consumption, while also there are security risks.
In addition, during actual industrial production, to meet the energy saving demand of different output, production system generally use
It covers identical production equipment used in parallel more, when yield is less, only starts the part producing equipment in production system；Work as yield
When more, then production equipment in parallel in production system is all started.Correspondingly, each mouth that gathers dust in dust pelletizing system（It removes
Dirt pits）Whether no matter corresponding pipeline valve gathers dust, always in opening, energy dissipation, production cost are further resulted in
Increase.
The content of the invention
To solve the problems, such as that existing dust pelletizing system waste of energy and production cost are high, inventor is to each of sintering plant
Process procedure the study found that according to the quantity of in running order production equipment, can divide the production process of sintering plant
For multiple technical process, all technical process cycle successively, and each technical process is fixed not in intraday beginning and ending time point
Become, run Non-intermittent throughout the year.Therefore, the present invention proposes a kind of control system of dust removal fan, which includes
Intelligent treatment device, electrically operated valve and gas B/P EGR Back Pressure Transducer EGR；
The electrically operated valve is arranged in the dust collection pipe of dust pelletizing system and the close mouth that gathers dust, and the electrically operated valve and the intelligence
The output terminal connection of energy processing unit；
The gas negative pressure sensor is arranged in the dust collection pipe and is connected with the intelligent treatment device, for adopting in real time
Collect the real gas negative pressure value P in the dust collection pipe and be transferred in the intelligent treatment device；
The intelligent treatment device includes intelligent control module, timing module, human-computer interaction module and speed adjusting module, described man-machine
Interactive module is connected with the intelligent control module, for setting production period and gas negative pressure in the intelligent control module
Setting value D；The timing module is connected with the intelligent control module, and time signal is transferred to the intelligent control module
In；The speed adjusting module is connected with the dedusting fan in the intelligent control module and the dust pelletizing system, and according to the intelligence
The rotating speed of dedusting fan described in the speed regulating control Signal Regulation that energy control module is sent；The intelligent control module is according to receiving
Time signal determine production period residing for the dust pelletizing system, when production equipment in running order in production system exists
When reducing in the production period, the intelligent control module is to electronic at the mouth that gathers dust corresponding with the production equipment being stopped
Valve sends shutdown signal, closes the electrically operated valve, and in the reality for receiving the gas negative pressure sensor and collecting
After gas negative pressure value P rises, signal is turned down to speed adjusting module transmission, the speed adjusting module is made to turn down the dedusting fan
Rotating speed, until the real gas negative pressure value P in the dust collection pipe is lasting equal with the gas negative pressure setting value D；When described
In production system in running order production equipment it is described production the period in increase when, the intelligent control module to place
Electrically operated valve at the corresponding mouth that gathers dust of production equipment of working condition sends open signal, opens the electrically operated valve,
And it after the real gas negative pressure value P declines that the gas negative pressure sensor collects are received, is sent to the speed adjusting module
Signal is heightened, the speed adjusting module is made to turn down the rotating speed of the dedusting fan, until the real gas in the dust collection pipe is born
Pressure value P continues equal with the gas negative pressure setting value D.
Control system of dust removal fan of the present invention is gathered using gas negative pressure sensor in the dust collection pipe of dust pelletizing system in real time
Real gas negative pressure value P, and the real gas negative pressure value P collected is transferred in intelligent treatment device.Utilize intelligent place
Each technical process corresponding beginning and ending time point of the human-computer interaction module in device in production process is managed in intelligent control
Multiple production periods and gas negative pressure setting value D are set in module.Dedusting is determined using the timing module in intelligent treatment device
The production period residing for system.When production equipment in running order in production system is reduced within the production period, intelligence
Energy control module sends shutdown signal to the electrically operated valve at the mouth that gathers dust corresponding with the production equipment being stopped, and makes motor-driven valve
Door is closed；After receiving the real gas negative pressure value P that gas negative pressure sensor collects and rising, intelligent control module is to speed governing
Signal is turned down in module transmission, so as to be turned down the rotating speed of dedusting fan using speed adjusting module, until the actual gas in dust collection pipe
Body negative pressure value P continues equal with gas negative pressure setting value D.When production equipment in running order in production system is in production
When increasing in section, intelligent control module is sent to the electrically operated valve at the mouth that gathers dust corresponding in running order production equipment
Open signal opens electrically operated valve；After the real gas negative pressure value P declines that gas negative pressure sensor collects are received,
Intelligent control module heightens signal to speed adjusting module transmission, so as to which the rotating speed of dedusting fan be heightened using speed adjusting module, until
Real gas negative pressure value P in dust collection pipe continues equal with gas negative pressure setting value D.In this way, in the actual production process, it is raw
Throttle opening before dedusting fan is first set as 100% by production personnel.Then, the human-computer interaction in intelligent treatment device is utilized
Module presets production period and gas negative pressure setting value D in intelligent control module.Timing module is recycled to be sent to intelligent control
Molding time signal in the block determines the production period residing for dust pelletizing system.When production in running order in production system is set
Standby when being reduced within the production period, intelligent control module is to electronic at the mouth that gathers dust corresponding with the production equipment being stopped
Valve sends shutdown signal, closes electrically operated valve；In the real gas negative pressure value P for receiving gas negative pressure sensor and collecting
After rising, intelligent control module turns down signal to speed adjusting module transmission, so as to utilize speed adjusting module by the rotating speed tune of dedusting fan
It is low, until the real gas negative pressure value P in dust collection pipe is lasting equal with gas negative pressure setting value D.When being in production system
The production equipment of working condition produce the period in increase when, intelligent control module to in running order production equipment pair
Electrically operated valve at the mouth that gathers dust answered sends open signal, opens electrically operated valve；Receiving the acquisition of gas negative pressure sensor
After the real gas negative pressure value P arrived declines, signal is heightened to speed adjusting module transmission, so as to utilize speed adjusting module by dedusting fan
Rotating speed is heightened, until the real gas negative pressure value P in dust collection pipe is lasting equal with gas negative pressure setting value D.It can be seen that this
Invention control system of dust removal fan is turned on and off electronic at the mouth that gathers dust of dust collection pipe according to actual dedusting needs
Valve controls the on/off of dust collection pipe, can reduce air quantity waste；The rotating speed of dynamic regulation dedusting fan makes real gas negative pressure
Dedusting demand can just be met numerically by persistently maintaining, so as to avoid dedusting fan on the premise of dust removing effects are ensured
Rotating speed is excessive and waste of energy, reduces production cost.It, can be in addition, the throttle opening before dedusting fan is arranged to 100%
Dedusting fan is avoided as system valve resistance is overcome to do work and waste of energy, is realized energy saving to greatest extent.
Preferably, intelligent control module, timing module and the speed adjusting module in the intelligent treatment device take redundancy to set
Meter.That is, the intelligent control module, timing module and speed adjusting module in intelligent treatment device are both provided at least two
It is a, wherein, one is used as active configuration, remaining as redundant configuration, and when intelligent control module, timing module or speed governing mould
When block breaks down, corresponding redundant configuration can be used to replace the active configuration to break down, substantially increase dedusting system
System reliability of operation.
Preferably, the gas negative pressure sensor is located on the central axis of the dust collection pipe, to ensure gas negative pressure
Real gas negative pressure value P in the dust collection pipe that sensor can collect is the most accurate.
The present invention also proposes a kind of Reconstruction of Dust Removal System method, and the remodeling method is as follows：
Gas negative pressure sensor is set in the dust collection pipe of the dust pelletizing system, for gathering in real time in the dust collection pipe
Real gas negative pressure value P；
Electrically operated valve, and the electrically operated valve gathering dust close to the dust collection pipe are set in the dust collection pipe of the dust pelletizing system
At mouthful, for controlling the on/off of the dust collection pipe；
External in the dust pelletizing system sets intelligent treatment device, which includes intelligent control module, timing
Module, human-computer interaction module and speed adjusting module；The human-computer interaction module is connected with the intelligent control module, for described
Setting production period and gas negative pressure setting value D in intelligent control module；The timing module connects with the intelligent control module
It connects, and time signal is transferred in the intelligent control module；The speed adjusting module and the intelligent control module and described
Dedusting fan connection in dust pelletizing system, and the dedusting according to the speed regulating control Signal Regulation that the intelligent control module is sent
The rotating speed of wind turbine；During production of the intelligent control module according to residing for the time signal received determines the dust pelletizing system
Section, when production equipment in running order in production system is reduced within the production period, the intelligent control module to
Electrically operated valve at the mouth that gathers dust corresponding with the production equipment being stopped sends shutdown signal, closes the electrically operated valve,
And it after the real gas negative pressure value P risings that the gas negative pressure sensor collects are received, is sent to the speed adjusting module
Signal is turned down, the speed adjusting module is made to turn down the rotating speed of the dedusting fan, until the real gas in the dust collection pipe is born
Pressure value P continues equal with the gas negative pressure setting value D；When production equipment in running order in the production system is in institute
It states in the production period when increasing, the intelligent control module is at the mouth that gathers dust corresponding in running order production equipment
Electrically operated valve sends open signal, opens the electrically operated valve, and is receiving what the gas negative pressure sensor collected
After real gas negative pressure value P declines, signal is heightened to speed adjusting module transmission, the speed adjusting module is made to heighten the dedusting wind
The rotating speed of machine, until the real gas negative pressure value P in the dust collection pipe is lasting equal with the gas negative pressure setting value D.
Such remodeling method sets gas negative pressure sensor in the dust collection pipe of dedusting system, is received with real-time acquisition
Real gas negative pressure value P in dirt pipeline.Electrically operated valve is set in dust collection pipe at the mouth that gathers dust, to control dust collection pipe
On/off.Being set outside dust pelletizing system includes intelligent control module, timing module, human-computer interaction module and speed adjusting module
Intelligent treatment device, and intelligent control module is connected with gas negative pressure sensor, receives the reality that gas negative pressure sensor collects
Border gas negative pressure value P；Intelligent control module is connected with timing module, and determines dedusting according to the time signal that timing module is sent
The production period residing for system；Intelligent control module is connected with human-computer interaction module, to preset production in intelligent control module
Period and gas negative pressure setting value D；Intelligent control module is connected with electrically operated valve, residing for according to production system in dust pelletizing system
The production period in the number change control electrically operated valve of in running order production equipment be turned on and off；Intelligent control
Module is connected with speed adjusting module, and according to least after the real gas negative pressure value P that gas negative pressure sensor collects is received
Sharp principle sends speed-regulating signal to speed adjusting module, and the rotating speed of dedusting fan is adjusted, until the actual gas in dust collection pipe
Body negative pressure value P continues equal with gas negative pressure setting value D.In this way, intelligent treatment device needs to automatically turn on according to actual dedusting
Or the electrically operated valve being mounted at the mouth that gathers dust of dust collection pipe is closed, the on/off of dust collection pipe is controlled, air quantity waste can be reduced；
The rotating speed of dynamic regulation dedusting fan, which makes real gas negative pressure persistently maintain, can just meet dedusting demand numerically, from
And avoid dedusting fan rotating speed excessive and waste of energy on the premise of dust removing effects are ensured, reduce production cost.In addition, it will remove
Throttle opening before dirt wind turbine is arranged to 100%, can be done work and waste of energy to avoid dedusting fan for system valve is overcome to hinder,
It realizes energy saving to greatest extent.
Preferably, intelligent control module, timing module and the speed adjusting module in the intelligent treatment device take redundancy to set
Meter.In this way, when intelligent control module, timing module or speed adjusting module break down, corresponding redundant configuration can be used
Instead of the active configuration of failure, dust pelletizing system reliability of operation is substantially increased.
Preferably, the gas negative pressure sensor is located on the central axis of the dust collection pipe, to ensure gas negative pressure
Real gas negative pressure value P in the dust collection pipe that sensor can collect is the most accurate.
Description of the drawings
Fig. 1 is the structure diagram of control system of dust removal fan of the present invention；
Fig. 2 is the structure diagram of the intelligent treatment device in control system of dust removal fan of the present invention.
Specific embodiment
In the following, control system of dust removal fan of the present invention and Reconstruction of Dust Removal System method are carried out specifically with reference to attached drawing
It is bright.
As shown in Figure 1, dust pelletizing system includes dedusting fan 1, air door 2, dust handling equipment 3 and dust collection pipe 4, dust-collecting pipe
The free end in road 4 is provided with the mouth 5 that gathers dust, and the other end of dust collection pipe 4 is connected with dust handling equipment 3, and dust handling equipment 3
It is connected by pipeline with dedusting fan 1, and air door 2 is between dust handling equipment 3 and dedusting fan 1.It is transported in dedusting fan 1
When turning, 1 air-breathing of dedusting fan forms negative pressure at dust collection pipe 4 and the mouth 5 that gathers dust, completes operation of gathering dust.
By taking the whole grain production line in sintering plant as an example, to meet different output and energy saving needs, which adopts
It is used in parallel with 3 sets of identical production equipments, successively labeled as S1, S2 and S3, when yield is less, only start production equipment S1
Or start production equipment S1 and S2 simultaneously；When yield is more, three sets of production equipments S1, S2 and S3 all start.According to startup
Production equipment quantity, whole production processes is divided into tri- different technical process of G1, G2 and G3, i.e., ought only start one
When covering production equipment S1, technical process G1；When starting production equipment S1 and S2 simultaneously, technical process G2；When production is set
When standby S1, S2 and S3 all start, technical process G3.In the actual production process, G1, G2 and G3 of finishing line tri-
Technical process cycled successively in one day, and the run time of technical process G1 is 0:00-8:00, during the operation of technical process G2
Between be 8:00-16:The run time of 00, technical process G3 are 16:00-24:00.
As shown in Figure 1, control system of dust removal fan of the present invention includes intelligent treatment device 6, electrically operated valve 7 and gas negative pressure
Sensor 8.Wherein, intelligent treatment device is arranged on the outside of dedusting system, and is born with dedusting fan 1, electrically operated valve 7 and gas
Pressure sensor 8 connects.Electrically operated valve 7 is arranged in the dust collection pipe 4 of dust pelletizing system and close to gathering dust mouth 5, and electrically operated valve 7 with
The output terminal connection of intelligent treatment device 6.Gas negative pressure sensor 8 is arranged in dust collection pipe 4 and connects with intelligent treatment device 6
It connects, for gathering the real gas negative pressure value P in dust collection pipe 4 in real time and being transferred in intelligent treatment device 6.Preferably, gas
Body B/P EGR Back Pressure Transducer EGR 8 is located on the central axis of dust collection pipe 4, to ensure that gas negative pressure sensor 8 can collect gathers dust
Real gas negative pressure value P in pipeline is the most accurate.
As illustrated in fig. 1 and 2, intelligent treatment device 6 includes intelligent control module 61, timing module 62, human-computer interaction module
63 and speed adjusting module 64.Wherein, human-computer interaction module 63 is connected with intelligent control module 61, in intelligent control module 63
Setting production period and the gas negative pressure setting value D for being just met for dust removal requirement.Timing module 62 connects with intelligent control module 61
It connects, and time signal is transferred in intelligent control module 61；In speed adjusting module 64 and intelligent control module 61 and dust pelletizing system
Dedusting fan 1 connect, and the rotating speed of the speed regulating control Signal Regulation dedusting fan 1 sent according to intelligent control module 61.Intelligence
Production period of the energy control module 61 according to residing for the time signal received determines dust pelletizing system, when in production system be in work
When making the production equipment of state and being reduced within the production period, intelligent control module 61 is to corresponding with the production equipment being stopped
The mouth 5 that gathers dust at electrically operated valve 7 send shutdown signal, close electrically operated valve 7, and receiving gas negative pressure sensor 8
After the real gas negative pressure value P collected rises, signal is turned down to the transmission of speed adjusting module 64, speed adjusting module 64 is made to turn down dedusting wind
The rotating speed of machine 1, until the real gas negative pressure value P in dust collection pipe 4 is lasting equal with gas negative pressure setting value D；When production is
In system in running order production equipment produce the period in increase when, intelligent control module 61 to it is in running order
Electrically operated valve 7 at the corresponding mouth 5 that gathers dust of production equipment sends open signal, opens electrically operated valve 7, and is receiving gas
After the real gas negative pressure value P that B/P EGR Back Pressure Transducer EGR 8 collects declines, signal is heightened to the transmission of speed adjusting module 64, makes speed adjusting module
64 turn down the rotating speed of dedusting fan 1, until the real gas negative pressure value P and gas negative pressure setting value D in dust collection pipe 4 continues phase
Deng.Preferably, the intelligent control module 61 in intelligent treatment device 6, timing module 62 and speed adjusting module 64 take Redundancy Design,
Be connected with each other and the intelligent control module 61 that can be substituted for each other at least there are two, interconnection and the timing mould that can be substituted for each other
Block 62 at least there are two, be connected with each other and the speed adjusting module 64 that can be substituted for each other at least there are two.In this way, during the work time,
In running order a set of intelligent control module 61, timing module 62 and speed adjusting module 64 are used as work in intelligent treatment device 6
It configuring, the remaining intelligent control module 61 in halted state, timing module 62 and speed adjusting module 64 are used as redundant configuration,
When intelligent control module 61, timing module 62 or speed adjusting module 64 break down, corresponding redundant configuration can be used to carry out generation
For the active configuration of failure, dust pelletizing system reliability of operation is substantially increased.
Control system of dust removal fan of the present invention gathers the dust collection pipe 4 of dust pelletizing system using gas negative pressure sensor 8 in real time
In real gas negative pressure value P, and the real gas negative pressure value P collected is transferred in intelligent treatment device 6.Utilize intelligence
The corresponding beginning and ending time point of each technical process of the human-computer interaction module 63 in production process in processing unit 6 is in intelligence
Multiple production periods are set in control module 61 and are just met for the gas negative pressure setting value D of dust removal requirement.Utilize Intelligent treatment
Timing module 62 in device 6 determines the production period residing for dust pelletizing system.When production in running order in production system
When equipment is reduced within the production period, intelligent control module 61 is at the mouth 5 that gathers dust corresponding with the production equipment being stopped
Electrically operated valve 7 send shutdown signal, close electrically operated valve 7；In the actual gas for receiving gas negative pressure sensor 8 and collecting
After body negative pressure value P rises, intelligent control module 61 send to speed adjusting module hair 64 and turns down signal, so as to be removed using speed adjusting module 64
The rotating speed of dirt wind turbine 1 is turned down, until the real gas negative pressure value P in dust collection pipe 4 is lasting equal with gas negative pressure setting value D.
When production equipment in running order in production system produce the period in increase when, intelligent control module 61 to in work
Make the electrically operated valve 7 at the corresponding mouth that gathers dust of production equipment of state and send open signal, open electrically operated valve 7；It is receiving
After the real gas negative pressure value P collected to gas negative pressure sensor declines, intelligent control module 61 is sent to speed adjusting module 64
Signal is heightened, so that the rotating speed of dedusting fan 1 is heightened using speed adjusting module 64, until the real gas in dust collection pipe 4 is born
Pressure value P continues equal with gas negative pressure setting value D.In this way, in the actual production process, producers first will be before dedusting fan 1
The aperture of the air door 2 in face is set as 100%.Then, using the human-computer interaction module 63 in intelligent treatment device 6 in intelligent control
Production period and gas negative pressure setting value D are preset in module 61.Timing module 62 is recycled to be sent in intelligent control module 61
Time signal determine production period residing for dust pelletizing system.When production equipment in running order in production system is in the life
It produces when being reduced in the period, intelligent control module 61 is to the electrically operated valve 7 at the mouth 5 that gathers dust corresponding with the production equipment being stopped
Shutdown signal is sent, closes electrically operated valve 7；On the real gas negative pressure value P that gas negative pressure sensor 8 collects is received
After rising, intelligent control module 61 turns down signal to the transmission of speed adjusting module 64, so as to be turned dedusting fan 1 using speed adjusting module 64
Velocity modulation is low, until the real gas negative pressure value P in dust collection pipe 4 is lasting equal with gas negative pressure setting value D.When in production system
In running order production equipment produce the period in increase when, intelligent control module 61 to in running order production
Electrically operated valve 7 at the corresponding mouth 5 that gathers dust of equipment sends open signal, opens electrically operated valve 7；It is passed receiving gas negative pressure
After the real gas negative pressure value P that sensor 8 collects declines, intelligent control module 61 heightens signal to the transmission of speed adjusting module 64, from
And heightened the rotating speed of dedusting fan 1 using speed adjusting module 64, until real gas negative pressure value P and gas in dust collection pipe 4
Negative pressure setting value D continues equal.It can be seen that control system of dust removal fan of the present invention is turned on and off according to actual dedusting needs
Electrically operated valve 7 at the mouth 5 that gathers dust of dust collection pipe 4 controls the on/off of dust collection pipe 4, can reduce air quantity waste；It is dynamic
The rotating speed of state adjusting dedusting fan 1, which makes real gas negative pressure persistently maintain, can just meet dedusting demand numerically, from
And avoid 1 rotating speed of dedusting fan excessive on the premise of dust removing effects are ensured and waste of energy, reduce production cost.It in addition, will
The aperture of the air door 2 of 1 front of dedusting fan is arranged to 100%, can be unrestrained for system valve resistance is overcome to do work to avoid dedusting fan 1
Take the energy, realize energy saving to greatest extent.
The present invention also proposes a kind of Reconstruction of Dust Removal System method, and the remodeling method is as follows：
As shown in Figure 1, intelligent treatment device 6, the output terminal of the intelligent treatment device 6 and dedusting are set in the external of dust pelletizing system
Wind turbine 1 connects.Gas negative pressure sensor 8, the gas negative pressure sensor 8 and intelligence are set in the dust collection pipe 4 of dust pelletizing system
Processing unit 6 connects, for gathering the real gas negative pressure value P in dust collection pipe 4 in real time and feeding back to intelligent treatment device 6
In.Preferably, gas negative pressure sensor 8 is located on the central axis of dust collection pipe 4, to ensure that gas negative pressure sensor 8 can
Real gas negative pressure value P in the dust collection pipe collected is the most accurate.Motor-driven valve is set in the dust collection pipe 4 of dust pelletizing system
Door 7, and the electrically operated valve 7 is connected at the mouth 5 that gathers dust of dust collection pipe 4 and with intelligent treatment device 6, for controlling dust-collecting pipe
The on/off in road 4.
As shown in Fig. 2, intelligent treatment device 6 includes intelligent control module 61, timing module 62,63 and of human-computer interaction module
Speed adjusting module 64.Wherein, human-computer interaction module 63 is connected with intelligent control module 61, for being set in intelligent control module 61
Production period and the gas negative pressure setting value D for being just met for dust removal requirement.Timing module 62 is connected with intelligent control module 61, and
Time signal is transferred in intelligent control module 61.Speed adjusting module 64 and the dedusting in intelligent control module 61 and dust pelletizing system
Wind turbine 1 connects, and the rotating speed of the speed regulating control Signal Regulation dedusting fan 1 sent according to intelligent control module 61.Intelligent control
Production period of the module 61 according to residing for the time signal received determines dust pelletizing system, when in running order in production system
Production equipment when being reduced within the production period, intelligent control module 61 gathers dust to corresponding with the production equipment being stopped
Electrically operated valve 7 at mouth 5 sends shutdown signal, closes electrically operated valve 7, and is collected receiving gas negative pressure sensor 8
Real gas negative pressure value P rise after, to speed adjusting module 64 transmission turn down signal, speed adjusting module 64 is made to turn down dedusting fan 1
Rotating speed, until the real gas negative pressure value P in dust collection pipe 4 is lasting equal with gas negative pressure setting value D；When in production system
When the production equipment of working condition increases within the production period, intelligent control module 61 is set to in running order production
Electrically operated valve 7 at the standby corresponding mouth 5 that gathers dust sends open signal, opens electrically operated valve 7, and is passed receiving gas negative pressure
After the real gas negative pressure value P that sensor 8 collects declines, signal is heightened to the transmission of speed adjusting module 64, heightens speed adjusting module 64
The rotating speed of dedusting fan 1, until the real gas negative pressure value P in dust collection pipe 4 is lasting equal with gas negative pressure setting value D.It is excellent
Selection of land, intelligent control module 61, timing module 62 and speed adjusting module 64 in intelligent treatment device 6 take Redundancy Design, i.e. phase
The intelligent control module 61 that connects and can be substituted for each other at least there are two, be connected with each other and the timing module 62 that can be substituted for each other
There are two at least, be connected with each other and the speed adjusting module 64 that can be substituted for each other at least there are two.In this way, during the work time, intelligence
In running order a set of intelligent control module 61, timing module 62 and speed adjusting module 64 are matched somebody with somebody as work in processing unit 6
It puts, the remaining intelligent control module 61 in halted state, timing module 62 and speed adjusting module 64 are used as redundant configuration, work as intelligence
When energy control module 61, timing module 62 or speed adjusting module 64 break down, corresponding redundant configuration can be used to replace out
The active configuration of existing failure, substantially increases dust pelletizing system reliability of operation.
Such remodeling method sets gas negative pressure sensor 8, to gather in real time in the dust collection pipe 4 of dedusting system
Real gas negative pressure value P in dust collection pipe 4.Electrically operated valve 7 in dust collection pipe 4 at the mouth 5 that gathers dust is set, is received with controlling
The on/off of dirt pipeline 4.Being set outside dust pelletizing system includes intelligent control module 61, timing module 62, human-computer interaction module 63
With the intelligent treatment device 6 of speed adjusting module 64, and intelligent control module 61 is connected with gas negative pressure sensor 8, is received gas and is born
The real gas negative pressure value P that pressure sensor 8 collects；Intelligent control module 61 is connected with timing module 62, and according to timing mould
The time signal that block 62 is sent determines the production period residing for dust pelletizing system；Intelligent control module 61 connects with human-computer interaction module 63
It connects, to preset production period and gas negative pressure setting value D in intelligent control module 61；Intelligent control module 61 and electrically operated valve
7 connections, with according to production system in dust pelletizing system residing for the production period in the quantity of in running order production equipment become
Change being turned on and off for control electrically operated valve 7；Intelligent control module 61 is connected with speed adjusting module 64, and is receiving gas negative pressure
Speed-regulating signal is sent to speed adjusting module 84 according to least favorable principle after the real gas negative pressure value P that sensor 8 collects, to dedusting
The rotating speed of wind turbine 1 is adjusted, until the real gas negative pressure value P and gas negative pressure setting value D in dust collection pipe 4 continues phase
Deng.In this way, intelligent treatment device 6 is needed to automatically turn on or closed at the mouth 5 that gathers dust of dust collection pipe 4 according to actual dedusting
Electrically operated valve 7, control dust collection pipe 4 on/off, can reduce air quantity waste；The rotating speed of dynamic regulation dedusting fan 1 makes reality
Gas negative pressure, which persistently maintains, can just meet dedusting demand numerically, so as to be avoided on the premise of dust removing effects are ensured
1 rotating speed of dedusting fan is excessive and waste of energy, reduces production cost.In addition, the aperture of the air door 2 of 1 front of dedusting fan is set
100% is set to, can be realized energy saving to greatest extent to avoid dedusting fan 1 for system valve resistance is overcome to do work and waste of energy.
Claims (6)
1. a kind of control system of dust removal fan, which is characterized in that the control system of dust removal fan includes intelligent treatment device, electronic
Valve and gas B/P EGR Back Pressure Transducer EGR；
The electrically operated valve is arranged in the dust collection pipe of dust pelletizing system and the close mouth that gathers dust, and the electrically operated valve and the intelligence
The output terminal connection of energy processing unit；
The gas negative pressure sensor is arranged in the dust collection pipe and is connected with the intelligent treatment device, for adopting in real time
Collect the real gas negative pressure value P in the dust collection pipe and be transferred in the intelligent treatment device；
The intelligent treatment device includes intelligent control module, timing module, human-computer interaction module and speed adjusting module, described man-machine
Interactive module is connected with the intelligent control module, for setting production period and gas negative pressure in the intelligent control module
Setting value D；The timing module is connected with the intelligent control module, and time signal is transferred to the intelligent control module
In；The speed adjusting module is connected with the dedusting fan in the intelligent control module and the dust pelletizing system, and according to the intelligence
The rotating speed of dedusting fan described in the speed regulating control Signal Regulation that energy control module is sent；The intelligent control module is according to receiving
Time signal determine production period residing for the dust pelletizing system, when production equipment in running order in production system exists
When reducing in the production period, the intelligent control module is to electronic at the mouth that gathers dust corresponding with the production equipment being stopped
Valve sends shutdown signal, closes the electrically operated valve, and in the reality for receiving the gas negative pressure sensor and collecting
After gas negative pressure value P rises, signal is turned down to speed adjusting module transmission, the speed adjusting module is made to turn down the dedusting fan
Rotating speed, until the real gas negative pressure value P in the dust collection pipe is lasting equal with the gas negative pressure setting value D；When described
In production system in running order production equipment it is described production the period in increase when, the intelligent control module to place
Electrically operated valve at the corresponding mouth that gathers dust of production equipment of working condition sends open signal, opens the electrically operated valve,
And it after the real gas negative pressure value P declines that the gas negative pressure sensor collects are received, is sent to the speed adjusting module
Signal is heightened, the speed adjusting module is made to turn down the rotating speed of the dedusting fan, until the real gas in the dust collection pipe is born
Pressure value P continues equal with the gas negative pressure setting value D.
2. control system of dust removal fan according to claim 1, which is characterized in that the intelligence in the intelligent treatment device
Control module, timing module and speed adjusting module take Redundancy Design.
3. control system of dust removal fan according to claim 1 or 2, which is characterized in that the gas negative pressure sensor position
In on the central axis of the dust collection pipe.
A kind of 4. Reconstruction of Dust Removal System method, which is characterized in that the remodeling method is as follows：
Gas negative pressure sensor is set in the dust collection pipe of the dust pelletizing system, for gathering in real time in the dust collection pipe
Real gas negative pressure value P；
Electrically operated valve, and the electrically operated valve gathering dust close to the dust collection pipe are set in the dust collection pipe of the dust pelletizing system
At mouthful, for controlling the on/off of the dust collection pipe；
External in the dust pelletizing system sets intelligent treatment device, which includes intelligent control module, timing
Module, human-computer interaction module and speed adjusting module；The human-computer interaction module is connected with the intelligent control module, for described
Setting production period and gas negative pressure setting value D in intelligent control module；The timing module connects with the intelligent control module
It connects, and time signal is transferred in the intelligent control module；The speed adjusting module and the intelligent control module and described
Dedusting fan connection in dust pelletizing system, and the dedusting according to the speed regulating control Signal Regulation that the intelligent control module is sent
The rotating speed of wind turbine；During production of the intelligent control module according to residing for the time signal received determines the dust pelletizing system
Section, when production equipment in running order in production system is reduced within the production period, the intelligent control module to
Electrically operated valve at the mouth that gathers dust corresponding with the production equipment being stopped sends shutdown signal, closes the electrically operated valve,
And it after the real gas negative pressure value P risings that the gas negative pressure sensor collects are received, is sent to the speed adjusting module
Signal is turned down, the speed adjusting module is made to turn down the rotating speed of the dedusting fan, until the real gas in the dust collection pipe is born
Pressure value P continues equal with the gas negative pressure setting value D；When production equipment in running order in the production system is in institute
It states in the production period when increasing, the intelligent control module is at the mouth that gathers dust corresponding in running order production equipment
Electrically operated valve sends open signal, opens the electrically operated valve, and is receiving what the gas negative pressure sensor collected
After real gas negative pressure value P declines, signal is heightened to speed adjusting module transmission, the speed adjusting module is made to turn down the dedusting wind
The rotating speed of machine, until the real gas negative pressure value P in the dust collection pipe is lasting equal with the gas negative pressure setting value D.
5. Reconstruction of Dust Removal System method according to claim 4, which is characterized in that the intelligence in the intelligent treatment device
Control module, timing module and speed adjusting module take Redundancy Design.
6. Reconstruction of Dust Removal System method according to claim 4 or 5, which is characterized in that the gas negative pressure sensor position
In on the central axis of the dust collection pipe.
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| CN201810139918.2A CN108089470A (en) | 2018-02-11 | 2018-02-11 | A kind of remodeling method of control system of dust removal fan and dust pelletizing system |
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| CN201810139918.2A CN108089470A (en) | 2018-02-11 | 2018-02-11 | A kind of remodeling method of control system of dust removal fan and dust pelletizing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115096374A (en) * | 2022-08-22 | 2022-09-23 | 中工重科智能装备有限责任公司 | Intelligent dust removal prediction compensation method and system in casting |
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