CN102706155B - Energy-saving operation control method and system for dedusting fan in sintering environment - Google Patents
Energy-saving operation control method and system for dedusting fan in sintering environment Download PDFInfo
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- CN102706155B CN102706155B CN201210223681.9A CN201210223681A CN102706155B CN 102706155 B CN102706155 B CN 102706155B CN 201210223681 A CN201210223681 A CN 201210223681A CN 102706155 B CN102706155 B CN 102706155B
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Abstract
The invention relates to an energy-saving operation control method for a dedusting fan in a sintering environment, wherein the dedusting fan is a raw material dedusting fan or an ingredient dedusting fan or a finished product dedusting fan. The method comprises the steps of: timing by a timer when a feed device in a step corresponding to a certain dedusting fan stops working; triggering an invalid operating signal of the dedusting fan when timing time t1 is greater than a predetermined time T or an operator inputs a production pause command; controlling the air quantity of the dedusting fan reduced to a predetermined delivery F1; and controlling the dedusting fan to recover the air quantity required by production when a reset signal of the invalid operating signal is received. The invention provides the energy-saving operation control method for the dedusting fan in the sintering environment and a system so that energy-saving control is realized in the sintering production process when the production is stopped temporarily.
Description
Technical field
The present invention relates to sintering environment dedusting fan control technology field, particularly a kind of energy-saving run control method and system of sintering environment dedusting fan.
Background technology
The main exhauster of existing sintering plant and environmental dust removal blower fan are mostly power frequency operation (not speed governing) mode, regulate by regulating entrance throttle opening to realize air quantity.
Mesohigh frequency conversion equipment is ripe at present, has started to be applied to main exhauster and the environmental dust removal blower fan of sintering plant, and the blower fan of converting operation, by regulating frequency converter output frequency to regulate rotation speed of fan, regulates thereby realize air quantity, and energy-saving effect is obvious.
In sintering production process, unavoidably there will be the situation of producing of short duration termination.For example treatment facility fault, the factors such as production scheduling all can cause producing of short duration termination, and the short time of this production interrupts being different from periodical repair, does not produce and ends, and total system is prepared the state that resumes production at any time.
This of short duration production is ended, and may have one or two hour when the time is short, the time may have four or a five hours long time class (eight hours) even; Until malfunction is eliminated, production will recover at once.
In the time there is the situation of this production short time termination, several the large capacity consumers such as environmental dust removal blower fan, all in running status, are waited for production restoration at present.These large equipments have consumed a large amount of electric energy in wait, and this power consumption is invalid.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of energy-saving run control method and system of sintering environment dedusting fan, realizes Energy Saving Control in sintering production process while there is the of short duration termination of production.
The invention provides a kind of energy-saving run control method of sintering environment dedusting fan, dedusting fan is raw material dedusting fan or batching dedusting fan or finished product dedusting fan; Described method comprises:
1) in the time detecting that the corresponding in-process feeding device of above-mentioned certain dedusting fan quits work, timer timing;
2) in the time that timing time t1 is greater than the first preset time T or operating personnel and inputs production pause instruction, trigger this dedusting fan lost motion signal;
3) control described dedusting fan air quantity and drop to default air quantity F1;
4), when receiving after lost motion signal reset signal, control the described dedusting fan Air Quantity Required that resumes production.
Preferably, described step 3) also comprises when the interior feeding device work of flow process detected, sends dedusting fan lost motion signal reset signal.
Preferably, described the first scheduled time T is a bit larger tham material and goes to from feeding device the time span of the emptying material of last equipment in flow process.
The invention provides a kind of energy-saving run control method of sintering environment dedusting fan, dedusting fan is sinter machine discharge end dedusting blower fan; Described method comprises:
1) in the time that to receive pallet speed be 0 signal, timer timing;
2) in the time that timing time t1 is greater than the second preset time T 1 or operating personnel and inputs production pause instruction, trigger tail dedusting fan lost motion signal a1_JW;
3) control described sinter machine discharge end dedusting fan delivery and drop to default air quantity F1;
4), when receiving after sinter machine discharge end dedusting blower fan lost motion signal reset signal, control the described sinter machine discharge end dedusting blower fan Air Quantity Required that resumes production.
Preferably, described step 2) after further comprise:
In the time that timing time t1 is greater than the 3rd preset time T 2 or operating personnel and inputs the longer suspended market order of production, locked sinter machine discharge end dedusting blower fan lost motion signal a1_JW.
Preferably, described method further comprises:
When timing time t1 is greater than the second preset time T 1 and timing time t1 is less than the 3rd preset time T 2, and when receiving sintering pallet and bringing into operation signal, described timer t1 zero clearing; Controlling described sinter machine discharge end dedusting blower fan lost motion signal a1_JW resets;
In the time that timing time t1 is greater than the 3rd preset time T 2, and receive the instruction of resuming production, control described sinter machine discharge end dedusting blower fan lost motion signal a1_JW and reset.
Preferably, sinter machine discharge end dedusting fan delivery drops to default air quantity F1 described in described step 3) control, is specially:
For the dedusting fan of Frequency converting driving, record the output frequency F1 of current fan frequency converter, the output frequency of fan frequency converter is dropped to the first predeterminated frequency point simultaneously;
The dedusting fan regulating for air door, records current throttle opening K1, the throttle opening of blower fan is turned down to the first default aperture simultaneously.
Preferably, described step 4) is when receiving after sinter machine discharge end dedusting blower fan lost motion signal reset signal, controls the described sinter machine discharge end dedusting blower fan Air Quantity Required that resumes production, and is specially:
For the dedusting fan of Frequency converting driving, the output frequency of fan frequency converter is by the output frequency F1 of described fan frequency converter returning to while producing;
For air door regulate dedusting fan, throttle opening by return to produce time described throttle opening K1.
The invention provides a kind of energy-saving operation control system of sintering environment dedusting fan, dedusting fan is raw material dedusting fan or batching dedusting fan or finished product dedusting fan; Described system comprises:
The first timer, for timing in the time detecting that the corresponding in-process feeding device of above-mentioned certain dedusting fan quits work;
The first lost motion trigger element, while inputting production pause instruction, triggers this dedusting fan lost motion signal for be greater than the first preset time T or operating personnel as timing time t1;
The first control module, drops to default air quantity F1 for controlling described dedusting fan air quantity;
The first reset processing unit, for when receiving after lost motion signal reset signal, controls the described dedusting fan Air Quantity Required that resumes production.
Preferably, described system also comprises:
The first reset determining unit, in the time detecting that in flow process, feeding device is worked, sends dedusting fan lost motion signal reset signal.
Preferably, described the first scheduled time T is a bit larger tham material and goes to from feeding device the time span of the emptying material of last equipment in flow process.
The invention provides a kind of energy-saving operation control system of sintering environment dedusting fan, dedusting fan is sinter machine discharge end dedusting blower fan; Described system comprises:
The second timer, for timing in the time that to receive pallet speed be 0 signal;
The second lost motion trigger element, while inputting production pause instruction, triggers tail dedusting fan lost motion signal a1_JW for be greater than the second preset time T 1 or operating personnel as timing time t1;
The second control module, drops to default air quantity F1 for controlling described sinter machine discharge end dedusting fan delivery;
The second reset processing unit, for when receiving after sinter machine discharge end dedusting blower fan lost motion signal reset signal, controls the described sinter machine discharge end dedusting blower fan Air Quantity Required that resumes production.
Preferably, described system further comprises:
The 3rd lost motion trigger element, while inputting the longer suspended market order of production for be greater than the 3rd preset time T 2 or operating personnel as timing time t1, locked sinter machine discharge end dedusting blower fan lost motion signal a1_JW.
Preferably, described system further comprises:
The second reset determining unit, for being greater than the second preset time T 1 and timing time t1 is less than the 3rd preset time T 2 as timing time t1, and when receiving sintering pallet and bringing into operation signal, described timer t1 zero clearing; Controlling described sinter machine discharge end dedusting blower fan lost motion signal a1_JW resets;
The 3rd reset determining unit, in the time that timing time t1 is greater than the 3rd preset time T 2, and receives the instruction of resuming production, and controls described sinter machine discharge end dedusting blower fan lost motion signal a1_JW and resets.
Preferably, the described first or second control module is specially:
For the dedusting fan of Frequency converting driving, record the output frequency F1 of current fan frequency converter, the output frequency of fan frequency converter is dropped to the first predeterminated frequency point simultaneously;
The dedusting fan regulating for air door, records current throttle opening K1, the throttle opening of blower fan is turned down to the first default aperture simultaneously.
Preferably, described first or two reset processing unit be specially:
For the dedusting fan of Frequency converting driving, the output frequency of fan frequency converter is by the output frequency F1 of described fan frequency converter returning to while producing;
For air door regulate dedusting fan, throttle opening by return to produce time described throttle opening K1.
Compared with prior art, the present invention has the following advantages:
The energy-saving run control method of sintering environment dedusting fan described in the embodiment of the present invention, dedusting fan is raw material dedusting fan or batching dedusting fan or finished product dedusting fan; In the time detecting that the corresponding in-process feeding device of certain dedusting fan quits work, timer timing; In the time that timing time t1 is greater than the first preset time T or operating personnel and inputs production pause instruction, trigger this dedusting fan lost motion signal; Control described dedusting fan air quantity and drop to default air quantity F1; When receiving after lost motion signal reset signal, control the described dedusting fan Air Quantity Required that resumes production.So just can there is the of short duration termination of production in sintering production process time, realize Energy Saving Control.
Brief description of the drawings
Fig. 1 is the energy-saving run control method flow chart of environmental dust removal air exhauster described in first embodiment of the invention;
Fig. 2 is the energy-saving run control method flow chart of environmental dust removal air exhauster described in second embodiment of the invention;
Fig. 3 is the energy-saving operation control system structure chart of environmental dust removal air exhauster described in first embodiment of the invention;
Fig. 4 is the energy-saving operation control system structure chart of environmental dust removal air exhauster described in second embodiment of the invention.
Detailed description of the invention
The invention provides a kind of energy-saving run control method and system of environmental dust removal air exhauster, realize the Energy Saving Control while occurring producing of short duration termination in sintering production process.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
The technical problem to be solved in the present invention is to provide a kind of energy-saving run control method and system of sintering environment dedusting fan, realizes Energy Saving Control in sintering production process while there is the of short duration termination of production.
The typical environment dedusting fan of sintering plant has raw material dedusting fan, batching dedusting fan, sinter machine discharge end dedusting blower fan, finished product dedusting fan, is the deduster work of operation separately.In the time that SINTERING PRODUCTION is carried out, each blower fan is normally worked, and in the time of the of short duration termination of SINTERING PRODUCTION, in fact on-the-spot each dirt pits that produces has not produced airborne dust, and now equipment is in lost motion state.
Each dedusting fan and the separately relation of operation
1) raw material dedusting is material process service, common are flux electric precipitation, fuel bag-type dust etc., and its power of fan is generally within the scope of 250kW ~ 800kW.Each of deduster removes the concerned process steps airborne dust point that dirt pits is positioned at the each airborne dust point of this in-process and is close to this deduster.
2) batching dedusting is burden process service, is generally electric precipitation or bag-type dust, and its power of fan is in 400kW ~ 800kW left and right, and each of deduster removes the concerned process steps airborne dust point that dirt pits is positioned at the each airborne dust point of this in-process and is close to this deduster.
3) sinter machine discharge end dedusting blower fan is sintering circuit service, and its power of fan is in 800kW ~ 1600kW left and right, and each of deduster removes the concerned process steps airborne dust point that dirt pits is positioned at the each airborne dust point of this in-process and is close to this deduster.
4) finished product dedusting fan is the service of finished product operation, is generally electric precipitation or bag-type dust, and its power of fan is in 400kW ~ 800kW left and right, and each of deduster removes the concerned process steps airborne dust point that dirt pits is positioned at the each airborne dust point of this in-process and is close to this deduster.
Except the processing of dirt pits intersection process condition
Although each deduster has the operation of main services, in actual setting of deduster, having deduster is the task of the concerned process steps airborne dust point dedusting of contiguous this deduster, now this deduster should be considered as to the deduster into multiple operation services.If for example sinter machine discharge end dedusting device with feed proportioning system except dirt pits, should regard it as batching tail deduster; If sinter machine discharge end dedusting device band batching and finished product except dirt pits, should be considered as the tail finished product deduster of preparing burden.After all proceeding to lost motion operating mode with deduster concerned process steps, the running of dedusting fan could be considered as to lost motion.
Referring to Fig. 1, this figure is the energy-saving run control method flow chart of environmental dust removal air exhauster described in first embodiment of the invention.
The energy-saving run control method of sintering environment dedusting fan described in first embodiment of the invention, dedusting fan is raw material dedusting fan or batching dedusting fan or finished product dedusting fan; Described method specifically comprises:
S100, in the time detecting that the corresponding in-process feeding device of certain dedusting fan quits work, timer timing.
S200, in the time that timing time t1 is greater than the first preset time T or operating personnel and inputs production pause instruction, trigger this dedusting fan lost motion signal.
Detect this in-process feeding device quit work after time delay T can be considered that this operation proceeds to invalid production status, trigger corresponding dedusting fan lost motion signal, it is a1_YL that raw material dedusting fan lost motion signal is set, batching dedusting fan lost motion signal is a1_PL, and finished product dedusting fan lost motion signal is a1_CP.
The time span of the first preset time T is a bit larger tham material and goes to from feeding device the time span of the emptying material of last equipment in flow process.
S300, control described dedusting fan air quantity and drop to default air quantity F1.
After described step S300, also comprise: detect when feeding device is worked in flow process, send dedusting fan lost motion signal reset signal.
S400, when receiving after lost motion signal reset signal, control the described dedusting fan Air Quantity Required that resumes production.
Described S300 controls described sinter machine discharge end dedusting fan delivery and drops to default air quantity F1, is specifically as follows:
For the dedusting fan of Frequency converting driving, record the output frequency F1 of current fan frequency converter, the output frequency of fan frequency converter is dropped to the first predeterminated frequency point (for example 0Hz) simultaneously.
The dedusting fan regulating for air door, records current throttle opening K1, the throttle opening of blower fan is turned down to the first default aperture (for example 10%) simultaneously.
Described step S400 is when receiving after sinter machine discharge end dedusting blower fan lost motion signal reset signal, controls the described sinter machine discharge end dedusting blower fan Air Quantity Required that resumes production, and is specifically as follows:
For the dedusting fan of Frequency converting driving, the output frequency of fan frequency converter is by the output frequency F1 of described fan frequency converter returning to while producing;
For air door regulate dedusting fan, throttle opening by return to produce time described throttle opening K1.
The energy-saving run control method of sintering environment dedusting fan described in first embodiment of the invention, dedusting fan is raw material dedusting fan or batching dedusting fan or finished product dedusting fan; In the time detecting that the corresponding in-process feeding device of certain dedusting fan quits work, timer timing; In the time that timing time t1 is greater than the first preset time T or operating personnel and inputs production pause instruction, trigger this dedusting fan lost motion signal; Control described dedusting fan air quantity and drop to default air quantity F1; When receiving after lost motion signal reset signal, control the described dedusting fan Air Quantity Required that resumes production.So just can in sintering production process, occur realizing Energy Saving Control while producing of short duration termination, reduce equipment attrition.
Referring to Fig. 2, this figure is the energy-saving run control method flow chart of environmental dust removal air exhauster described in second embodiment of the invention.
The energy-saving run control method of sintering environment dedusting fan described in second embodiment of the invention, dedusting fan is sinter machine discharge end dedusting blower fan; Described method specifically comprises:
S1000, in the time that to receive pallet speed be 0 signal, timer timing.
S2000, in the time that timing time t1 is greater than the second preset time T 1 or operating personnel and inputs production pause instruction, trigger tail dedusting fan lost motion signal a1_JW.
The second preset time T 1 is specifically as follows 5 minutes.
After described step S2000, may further include:
When timing time t1 is greater than the 3rd preset time T 2(for example 60 minutes) or operating personnel while inputting the longer suspended market order of production, locked sinter machine discharge end dedusting blower fan lost motion signal a1_JW.
S3000, control described sinter machine discharge end dedusting fan delivery and drop to default air quantity F1.
S4000, when receiving after sinter machine discharge end dedusting blower fan lost motion signal reset signal, control the described sinter machine discharge end dedusting blower fan Air Quantity Required that resumes production.
Described method may further include:
When timing time t1 is greater than the second preset time T 1(for example 5 minutes), and timing time t1 is less than the 3rd preset time T 2(for example 60 minutes), and when receiving sintering pallet and bringing into operation signal, described timer t1 zero clearing; Controlling described sinter machine discharge end dedusting blower fan lost motion signal a1_JW resets;
When timing time t1 is greater than the 3rd preset time T 2(for example 60 minutes) time, and receive the instruction of resuming production, control described sinter machine discharge end dedusting blower fan lost motion signal a1_JW and reset.
Described S3000 controls described sinter machine discharge end dedusting fan delivery and drops to default air quantity F1, is specifically as follows:
For the dedusting fan of Frequency converting driving, record the output frequency F1 of current fan frequency converter, the output frequency of fan frequency converter is dropped to the first predeterminated frequency point (for example 0Hz) simultaneously.
The dedusting fan regulating for air door, records current throttle opening K1, the throttle opening of blower fan is turned down to the first default aperture (for example 10%) simultaneously.
Described step S4000 is when receiving after sinter machine discharge end dedusting blower fan lost motion signal reset signal, controls the described sinter machine discharge end dedusting blower fan Air Quantity Required that resumes production, and is specifically as follows:
For the dedusting fan of Frequency converting driving, the output frequency of fan frequency converter is by the output frequency F1 of described fan frequency converter returning to while producing;
For air door regulate dedusting fan, throttle opening by return to produce time described throttle opening K1.
Referring to Fig. 3, this figure is the energy-saving operation control system structure chart of environmental dust removal air exhauster described in first embodiment of the invention.
The energy-saving operation control system of sintering environment dedusting fan described in first embodiment of the invention, dedusting fan is raw material dedusting fan or batching dedusting fan or finished product dedusting fan; Described system comprises: the first timer 11, the first lost motion trigger element 12, the first control module 13 and the first reset processing unit 14.
The first timer 11, for timing in the time detecting that the corresponding in-process feeding device of certain dedusting fan quits work.
The first lost motion trigger element 12, while inputting production pause instruction, triggers this dedusting fan lost motion signal for be greater than the first preset time T or operating personnel as timing time t1.
Described the first scheduled time T is a bit larger tham material and goes to from feeding device the time span of the emptying material of last equipment in flow process.
The first control module 13, drops to default air quantity F1 for controlling described dedusting fan air quantity.
Described the first control module 13 is specifically as follows:
For the dedusting fan of Frequency converting driving, record the output frequency F1 of current fan frequency converter, the output frequency of fan frequency converter is dropped to the first predeterminated frequency point simultaneously;
The dedusting fan regulating for air door, records current throttle opening K1, the throttle opening of blower fan is turned down to the first default aperture simultaneously.
The first reset processing unit 14, for when receiving after lost motion signal reset signal, controls the described dedusting fan Air Quantity Required that resumes production.
Described the first reset processing unit 14 is specifically as follows:
For the dedusting fan of Frequency converting driving, the output frequency of fan frequency converter is by the output frequency F1 of described fan frequency converter returning to while producing;
For air door regulate dedusting fan, throttle opening by return to produce time described throttle opening K1.
The energy-saving operation control system of sintering environment dedusting fan described in first embodiment of the invention, dedusting fan is raw material dedusting fan or batching dedusting fan or finished product dedusting fan; Timing in the time that the first timer 11 detects that the corresponding in-process feeding device of certain dedusting fan quits work; In the time that timing time t1 is greater than the first preset time T or operating personnel and inputs production pause instruction, the first lost motion trigger element 12 triggers these dedusting fan lost motion signals; The first control module 13 is controlled described dedusting fan air quantity and is dropped to default air quantity F1; When receiving after lost motion signal reset signal, the described dedusting fan Air Quantity Required that resumes production is controlled in the first reset processing unit 14.So just can in sintering production process, occur realizing Energy Saving Control while producing of short duration termination, reduce equipment attrition.
Described system can also comprise: the first reset determining unit, in the time detecting that in flow process, feeding device is worked, sends dedusting fan lost motion signal reset signal.
Referring to Fig. 4, this figure is the energy-saving operation control system structure chart of environmental dust removal air exhauster described in second embodiment of the invention.
The energy-saving operation control system of sintering environment dedusting fan described in second embodiment of the invention, dedusting fan is sinter machine discharge end dedusting blower fan; Described system specifically can comprise: the second timer 21, the second lost motion trigger element 22, the second control module 23 and the second reset processing unit 24.
The second timer 21, for timing in the time that to receive pallet speed be 0 signal;
The second lost motion trigger element 22, while inputting production pause instruction, triggers tail dedusting fan lost motion signal a1_JW for be greater than the second preset time T 1 or operating personnel as timing time t1;
The second control module 23, drops to default air quantity F1 for controlling described sinter machine discharge end dedusting fan delivery;
The second control module 23 is specifically as follows:
For the dedusting fan of Frequency converting driving, record the output frequency F1 of current fan frequency converter, the output frequency of fan frequency converter is dropped to the first predeterminated frequency point simultaneously;
The dedusting fan regulating for air door, records current throttle opening K1, the throttle opening of blower fan is turned down to the first default aperture simultaneously.
The second reset processing unit 24, for when receiving after sinter machine discharge end dedusting blower fan lost motion signal reset signal, controls the described sinter machine discharge end dedusting blower fan Air Quantity Required that resumes production.
Described the second reset processing unit 24 is specifically as follows:
For the dedusting fan of Frequency converting driving, the output frequency of fan frequency converter is by the output frequency F1 of described fan frequency converter returning to while producing;
For air door regulate dedusting fan, throttle opening by return to produce time described throttle opening K1.
Described system may further include:
The 3rd lost motion trigger element, while inputting the longer suspended market order of production for be greater than the 3rd preset time T 2 or operating personnel as timing time t1, locked sinter machine discharge end dedusting blower fan lost motion signal a1_JW.
Described system can further include:
The second reset determining unit, for being greater than the second preset time T 1 and timing time t1 is less than the 3rd preset time T 2 as timing time t1, and when receiving sintering pallet and bringing into operation signal, described timer t1 zero clearing; Controlling described sinter machine discharge end dedusting blower fan lost motion signal a1_JW resets;
The 3rd reset determining unit, in the time that timing time t1 is greater than the 3rd preset time T 2, and receives the instruction of resuming production, and controls described sinter machine discharge end dedusting blower fan lost motion signal a1_JW and resets.
System described in the embodiment of the present invention, is specifically as follows any situation in described method above, is not described in detail in this.
The above, be only the energy-saving run control method of sintering dust air exhauster described in the embodiment of the present invention and the preferred embodiment of method, not the present invention done to any pro forma restriction.Although the present invention discloses as above with preferred embodiment, but not in order to limit the present invention.Any those of ordinary skill in the art, do not departing from technical solution of the present invention scope situation, all can utilize method and the technology contents of above-mentioned announcement to make many possible variations and modification to technical solution of the present invention, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not depart from technical solution of the present invention,, all still belongs in the scope of technical solution of the present invention protection any simple modification made for any of the above embodiments, equivalent variations and modification according to technical spirit of the present invention.
Claims (18)
1. an energy-saving run control method for sintering environment dedusting fan, is characterized in that, dedusting fan is raw material dedusting fan or batching dedusting fan or finished product dedusting fan; Described method comprises:
1) in the time detecting that the corresponding in-process feeding device of above-mentioned certain dedusting fan quits work, timer timing;
2) in the time that timing time t1 is greater than the first preset time T or operating personnel and inputs production pause instruction, trigger this dedusting fan lost motion signal;
3) control described dedusting fan air quantity and drop to default air quantity F1;
4), when receiving after lost motion signal reset signal, control the described dedusting fan Air Quantity Required that resumes production.
2. method according to claim 1, is characterized in that, described step 3) also comprises when the interior feeding device work of flow process detected, sends dedusting fan lost motion signal reset signal.
3. method according to claim 1 and 2, is characterized in that, described the first scheduled time T is a bit larger tham material and goes to from feeding device the time span of the emptying material of last equipment in flow process.
4. an energy-saving run control method for sintering environment dedusting fan, is characterized in that, dedusting fan is sinter machine discharge end dedusting blower fan; Described method comprises:
1) in the time that to receive pallet speed be 0 signal, timer timing;
2) in the time that timing time t1 is greater than the second preset time T 1 or operating personnel and inputs production pause instruction, trigger tail dedusting fan lost motion signal a1_JW;
3) control described sinter machine discharge end dedusting fan delivery and drop to default air quantity F1;
4), when receiving after sinter machine discharge end dedusting blower fan lost motion signal reset signal, control the described sinter machine discharge end dedusting blower fan Air Quantity Required that resumes production.
5. method according to claim 4, is characterized in that, described step 2) after further comprise:
In the time that timing time t1 is greater than the 3rd preset time T 2 or operating personnel and inputs the longer suspended market order of production, locked sinter machine discharge end dedusting blower fan lost motion signal a1_JW.
6. method according to claim 5, is characterized in that, described method further comprises:
When timing time t1 is greater than the second preset time T 1 and timing time t1 is less than the 3rd preset time T 2, and when receiving sintering pallet and bringing into operation signal, described timer t1 zero clearing; Controlling described sinter machine discharge end dedusting blower fan lost motion signal a1_JW resets;
In the time that timing time t1 is greater than the 3rd preset time T 2, and receive the instruction of resuming production, control described sinter machine discharge end dedusting blower fan lost motion signal a1_JW and reset.
7. according to the method described in claim 1 or 4, it is characterized in that, described step 3) is specially:
For the dedusting fan of Frequency converting driving, record the output frequency F1 of current fan frequency converter, the output frequency of fan frequency converter is dropped to the first predeterminated frequency point simultaneously;
The dedusting fan regulating for air door, records current throttle opening K1, the throttle opening of blower fan is turned down to the first default aperture simultaneously.
8. method according to claim 7, is characterized in that, described step 4) is specially:
For the dedusting fan of Frequency converting driving, the output frequency of fan frequency converter is by the output frequency F1 of described fan frequency converter returning to while producing;
For air door regulate dedusting fan, throttle opening by return to produce time described throttle opening K1.
9. an energy-saving operation control system for sintering environment dedusting fan, is characterized in that, dedusting fan is raw material dedusting fan or batching dedusting fan or finished product dedusting fan; Described system comprises:
The first timer, for timing in the time detecting that the corresponding in-process feeding device of above-mentioned certain dedusting fan quits work;
The first lost motion trigger element, while inputting production pause instruction, triggers this dedusting fan lost motion signal for be greater than the first preset time T or operating personnel as timing time t1;
The first control module, drops to default air quantity F1 for controlling described dedusting fan air quantity;
The first reset processing unit, for when receiving after lost motion signal reset signal, controls the described dedusting fan Air Quantity Required that resumes production.
10. system according to claim 9, is characterized in that, described system also comprises:
The first reset determining unit, in the time detecting that in flow process, feeding device is worked, sends dedusting fan lost motion signal reset signal.
11. according to the system described in claim 9 or 10, it is characterized in that, described the first scheduled time T is a bit larger tham material and goes to from feeding device the time span of the emptying material of last equipment in flow process.
12. systems according to claim 9, is characterized in that, described the first control module is specially:
For the dedusting fan of Frequency converting driving, record the output frequency F1 of current fan frequency converter, the output frequency of fan frequency converter is dropped to the first predeterminated frequency point simultaneously;
The dedusting fan regulating for air door, records current throttle opening K1, the throttle opening of blower fan is turned down to the first default aperture simultaneously.
13. systems according to claim 12, is characterized in that, described the first reset processing unit is specially:
For the dedusting fan of Frequency converting driving, the output frequency of fan frequency converter is by the output frequency F1 of described fan frequency converter returning to while producing;
For air door regulate dedusting fan, throttle opening by return to produce time described throttle opening K1.
The energy-saving operation control system of 14. 1 kinds of sintering environment dedusting fans, is characterized in that, dedusting fan is sinter machine discharge end dedusting blower fan; Described system comprises:
The second timer, for timing in the time that to receive pallet speed be 0 signal;
The second lost motion trigger element, while inputting production pause instruction, triggers tail dedusting fan lost motion signal a1_JW for be greater than the second preset time T 1 or operating personnel as timing time t1;
The second control module, drops to default air quantity F1 for controlling described sinter machine discharge end dedusting fan delivery;
The second reset processing unit, for when receiving after sinter machine discharge end dedusting blower fan lost motion signal reset signal, controls the described sinter machine discharge end dedusting blower fan Air Quantity Required that resumes production.
15. systems according to claim 14, is characterized in that, described system further comprises:
The 3rd lost motion trigger element, while inputting the longer suspended market order of production for be greater than the 3rd preset time T 2 or operating personnel as timing time t1, locked sinter machine discharge end dedusting blower fan lost motion signal a1_JW.
16. systems according to claim 15, is characterized in that, described system further comprises:
The second reset determining unit, for being greater than the second preset time T 1 and timing time t1 is less than the 3rd preset time T 2 as timing time t1, and when receiving sintering pallet and bringing into operation signal, described timer t1 zero clearing; Controlling described sinter machine discharge end dedusting blower fan lost motion signal a1_JW resets;
The 3rd reset determining unit, in the time that timing time t1 is greater than the 3rd preset time T 2, and receives the instruction of resuming production, and controls described sinter machine discharge end dedusting blower fan lost motion signal a1_JW and resets.
17. systems according to claim 14, is characterized in that, described the second control module is specially:
For the dedusting fan of Frequency converting driving, record the output frequency F1 of current fan frequency converter, the output frequency of fan frequency converter is dropped to the first predeterminated frequency point simultaneously;
The dedusting fan regulating for air door, records current throttle opening K1, the throttle opening of blower fan is turned down to the first default aperture simultaneously.
18. systems according to claim 17, is characterized in that, described the second reset processing unit is specially:
For the dedusting fan of Frequency converting driving, the output frequency of fan frequency converter is by the output frequency F1 of described fan frequency converter returning to while producing;
For air door regulate dedusting fan, throttle opening by return to produce time described throttle opening K1.
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| CN201210223681.9A CN102706155B (en) | 2012-06-29 | 2012-06-29 | Energy-saving operation control method and system for dedusting fan in sintering environment |
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