CN103691561A - Ash-discharging control method and system for multi-electric field dust remover of sintering machine - Google Patents
Ash-discharging control method and system for multi-electric field dust remover of sintering machine Download PDFInfo
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- CN103691561A CN103691561A CN201310731340.7A CN201310731340A CN103691561A CN 103691561 A CN103691561 A CN 103691561A CN 201310731340 A CN201310731340 A CN 201310731340A CN 103691561 A CN103691561 A CN 103691561A
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Abstract
The invention discloses an ash-discharging control method for a multi-electric field dust remover of a sintering machine. The ash-discharging control method comprises the following steps: receiving information of electric fields of the multi-electric field dust remover; judging whether any one of the electric fields is malfunctioned according to the information; when one of the electric fields is malfunctioned, attaching the ash-discharging time of the malfunctioned electric field to the posterior normal electric field adjacent to the malfunctioned electric field so as to enable the posterior normal electric field to obtain new ash-discharging time; controlling the posterior normal electric field to discharge ash according to the new ash-discharging time of the posterior normal electric field. The invention further discloses an ash-discharging control system for the multi-electric field dust remover of the sintering machine. The method and the system can avoid the problems that when the malfunctioned electric field cannot act to remove dust, the air leakage rate of the sintering machine due to the original ash-discharging time is enlarged, and the posterior normal electric field is submersed with dust due to insufficiency of the ash-discharging time; the ash-discharging process can be ensured to operate normally.
Description
Technical field
The present invention relates to sintering machine technical field, more specifically, what relate to the many electric-field dust collectors of a kind of sintering machine unloads grey control method and system.
Background technology
The dusty gas that sintering machine produces in SINTERING PRODUCTION need to just can enter atmosphere after electric cleaner is processed, and the electric cleaner being therefore arranged on sintering machine large flue is environmental protection equipment important in sintering process.Electric cleaner on sintering machine is generally many electric-field dust collectors, has many electric fields (for example three electric fields or four electric fields) structure.
Please refer to Fig. 1, Fig. 1 shows a kind of structure of three electric-field dust collectors.Three shown electric-field dust collectors comprise successively the electric field 02 being communicated with, No. two electric fields 03 and No. three electric fields 04, the dusty gas of dusty gas by large flue discharged section 01 and entered into electric field 02 No. one, discharges section 08 successively discharge by electric field 02, No. two electric fields 03 and No. three electric field 04 dedustings by the purifying smoke of large flue.In the process of dedusting, in the dust of electric field 02 generation ash-storing bin 021 thereunder, collect, then by unloading valve 022, discharge; In the dust of No. two electric field 03 generations ash-storing bin 031 thereunder, collect, then by unloading valve 032, discharge; In the dust of No. three electric field 04 generations ash-storing bin 041 thereunder, collect, then by unloading valve 042, discharge; The dust that above-mentioned unloading valve 022, unloading valve 032 and unloading valve 042 are discharged is transferred away by being positioned at the scrapper conveyor 05 of three below.The dust quantity that removes of above-mentioned each electric field has bigger difference.Wherein: No. one electric field 02 is removed approximately 90% dust, No. two electric fields 03 are removed the dust of 90% in residue 10% dust, i.e. approximately 9% dust, and No. three electric fields 04 are removed approximately 90% dust in residue 1% dust.Corresponding, the ash time of unloading of above-mentioned each electric field ash-storing bin unloading valve is also roughly by this distribution.
In the actual course of work, the electric field of many electric-field dust collectors breaks down and can cause dedusting work normally to carry out.Still take three electric-field dust collectors now as example, if an electric field quits work, in the normal electric field of so rear position, former No. two electric fields are just equivalent to electric field No. one, and former No. three electric fields are just equivalent to electric field No. two.In this case, the unloading valve of many each electric fields of electric-field dust collector still implements to unload ash according to the original ash time of unloading.Now to unload the ash time constant except dust quantity is almost nil for electric field, will certainly cause the air leak rate of air curtain of sintering machine to increase, and the ash time of unloading except rapid increasing of dust quantity of former No. two electric fields and former No. three electric fields is constant, will certainly be flooded by dust, finally cause dedusting work normally to carry out.
Summary of the invention
What the object of this invention is to provide the many electric-field dust collectors of a kind of sintering machine unloads grey control method and system, to solve many electric-field dust collectors, at electric field, breaks down cannot work time, and dust can flood the problem that electric field and air leakage rate of sintering machine increase.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
The many electric-field dust collectors of sintering machine unload grey control method, comprise the following steps:
Receive the information of described many electric-field dust collectors electric field;
According to described information, judge whether to exist fault electric field;
When there is fault electric field, by the ash time of unloading of described fault electric field, give the rear position normal electric field adjacent with described fault electric field, make described rear position normal electric field obtain it and newly unload the ash time;
According to the ash time of newly unloading of described rear position normal electric field, control described rear position normal electric field and unload ash.
Preferably, above-mentioned unloading in grey control method, after giving the rear position normal electric field adjacent with described fault electric field, also comprised the ash time of unloading of described fault electric field:
By the ash time of unloading of described rear normal electric field, give the again rear position normal electric field adjacent with described rear position normal electric field, described in making, a rear position normal electric field obtains it and newly unloads the ash time again;
According to described again after ash time of newly unloading of position normal electric field control described in again after a position normal electric field unload ash.
Preferably, above-mentioned unloading in grey control method, gives the rear position normal electric field adjacent with described fault electric field by the ash time of unloading of described fault electric field, comprising:
Whether the grey pattern of unloading that judges described rear position normal electric field is that unloading valve unloads grey pattern one by one;
The grey pattern of unloading at described rear position normal electric field is that unloading valve is while unloading grey pattern one by one, using the ash time of unloading newly the unloading the ash time as described rear position normal electric field of described fault electric field.
Preferably, above-mentioned unloading in grey control method, gives the rear position normal electric field adjacent with described fault electric field by the ash time of unloading of described fault electric field, comprising:
Whether the grey pattern of unloading that judges described rear position normal electric field is that unloading valve unloads grey pattern simultaneously;
The grey pattern of unloading at described rear position normal electric field is unloading valve while simultaneously unloading grey pattern, calculates the ratio k of the described rear position unloading valve quantity of normal electric field and the unloading valve quantity of described fault electric field;
Using the 1/k part of unloading the ash time newly unloading the ash time as described rear position normal electric field of described fault electric field.
Preferably, above-mentioned unloading in grey control method, gives the rear position normal electric field adjacent with described fault electric field by the ash time of unloading of described fault electric field, comprising:
Judge whether described fault electric field is at least two, and adjacent;
When described fault electric field is at least two, and during adjacent distributions, by the ash time of unloading of described fault electric field, give one by one the rear position normal electric field that described fault electric field is adjacent.
Preferably, above-mentioned unloading in grey control method, also comprises:
When there is fault electric field, report to the police.
Preferably, above-mentioned unloading in grey control method, receives the information of described many electric-field dust collectors electric field, comprising:
According to predetermined period, receive successively the information of described many each electric fields of electric-field dust collector, described predetermined period is greater than unloading the ash cycle of described many electric-field dust collectors.
Based on above-mentioned provide unload grey control method, the present invention also provides the dust unloading control system of the many electric-field dust collectors of a kind of sintering machine, comprising:
Electric field information receiving element, for receiving the information of described many electric-field dust collectors electric field;
Judging unit, for judging whether to exist fault electric field according to described information;
The first assignment unit, for when there is fault electric field, gives the rear position normal electric field adjacent with described fault electric field by the ash time of unloading of described fault electric field, makes described rear position normal electric field obtain it and newly unloads the ash time;
The first control module, unloads ash for controlling described rear position normal electric field according to the ash time of newly unloading of described rear position normal electric field.
Preferably, in above-mentioned dust unloading control system, also comprise:
The second assignment unit, for being given to the rear position normal electric field adjacent with described rear position normal electric field the ash time of unloading of described rear normal electric field, described in making, a rear position normal electric field obtains it and newly unloads the ash time again;
The second control module, described in controlling for the ash time of newly unloading of the described rear position again of foundation normal electric field, a rear normal electric field unloads ash again.
Preferably, in above-mentioned dust unloading control system, described the first assignment unit comprises:
Judgment sub-unit, for judging whether the grey pattern of unloading of described rear position normal electric field is that unloading valve unloads grey pattern one by one;
The first assignment subelement is that unloading valve is while unloading grey pattern one by one, using the ash time of unloading newly the unloading the ash time as described rear position normal electric field of described fault electric field for the grey pattern of unloading at described rear position normal electric field.
Unloading in grey control method of the many electric-field dust collectors of sintering machine provided by the invention, by the many electric-field dust collectors electric field information receiving is analyzed, determine whether many electric-field dust collectors exist fault electric field, while there is fault electric field, directly by fault electric field corresponding ash time of unloading in unloading normally grey sequential, give the rear position normal electric field that this fault electric field is adjacent, the air leak rate of air curtain that this kind of mode can avoid fault electric field still to unload according to original ash time of unloading the sintering machine that ash causes cannot dedusting time increases, then position normal electric field causes the problem of being flooded by dust owing to unloading grey deficiency of time, and then normally carrying out of ash unloaded in assurance.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of structural representation of three electric-field dust collectors;
Fig. 2 is that the many electric-field dust collectors of sintering machine that the embodiment of the present invention one provides unload the schematic flow sheet of grey control method;
Fig. 3 is that the many electric-field dust collectors of sintering machine that the embodiment of the present invention two provides unload the schematic flow sheet of grey control method;
Fig. 4 is that the many electric-field dust collectors of sintering machine that the embodiment of the present invention three provides unload a kind of schematic flow sheet of grey control method;
Fig. 5 is that the many electric-field dust collectors of sintering machine that the embodiment of the present invention three provides unload the another kind of schematic flow sheet of grey control method;
Fig. 6 is the structural representation of many electric-field dust collectors of sintering machine dust unloading control system of providing of the embodiment of the present invention four;
Fig. 7 is the structural representation of many electric-field dust collectors of sintering machine dust unloading control system of providing of the embodiment of the present invention five;
Fig. 8 is a kind of structural representation of many electric-field dust collectors of sintering machine dust unloading control system of providing of the embodiment of the present invention six;
Fig. 9 is the another kind of structural representation of many electric-field dust collectors of sintering machine dust unloading control system of providing of the embodiment of the present invention six.
The specific embodiment
What the embodiment of the present invention provided the many electric-field dust collectors of a kind of sintering machine unloads grey control method and system, has solved the problem that the air leakage rate of sintering machine causing when many electric-field dust collectors break down electric field increases and dust floods rear position normal electric field.
In order to make those skilled in the art person understand better the technical scheme in the embodiment of the present invention, and the above-mentioned purpose of the embodiment of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the technical scheme in the embodiment of the present invention is described in further detail.
Embodiment mono-
Please refer to accompanying drawing 2, the many electric-field dust collectors of sintering machine that Fig. 2 shows the embodiment of the present invention one to be provided unload the flow process of grey control method.
Flow process shown in Fig. 2, comprising:
S101, receive the information of many electric-field dust collectors electric field.
Step S101 receives the information of each electric field in many electric-field dust collectors, and the information of described electric field be for can reflect whether the electric field of many electric-field dust collectors is the information of fault electric field, such as power information of electric field etc.
In this step, can receive successively the information of many each electric fields of electric-field dust collector according to predetermined period, also can, according to predetermined period, receive the information of many each electric fields of electric-field dust collector simultaneously.In preferred version, predetermined period is greater than unloading the ash cycle of described many electric-field dust collectors, to consider the hysteresis quality of many electric-field dust collector feedbacks.
S102, judge whether to exist fault electric field.
The electric field information that step S102 receives according to step S101 judges whether electric field is fault electric field, and then judges whether many electric-field dust collectors exist fault electric field.Fault electric field described in the present embodiment one is in off position or electric field that cannot duty.In this step, according to the information of electric field, judge that the corresponding electric field of electric field information is whether in off position or cannot duty.Step S102 judgment result is that while being, many electric-field dust collectors exist fault electric field, enter step S103, otherwise, enter step S105.
S103, by the ash time of unloading of fault electric field, give adjacent with fault electric field rear position normal electric field.
While confirming that by the judgement of step S102 fault electric field exists, by the ash time of unloading of fault electric field, give adjacent rear position normal electric field, adjacent rear position normal electric field obtains newly unloading the ash time.In the concrete process of giving, can carry out in the following manner, directly extract the electric field sequence number of fault electric field, then from unloading ash, control and sequential, to search that this electric field sequence number is corresponding unloads the ash time, and set up this and unload the relation between ash time and the corresponding sequence number in normal electrical place, rear position, while making rear position normal electric field unload ash, directly adopt the ash time of unloading of fault electric field to unload ash or draw the grey time of unloading of rear normal electric field by the grey time indirect of unloading of fault electric field.In this step, by the ash time of unloading of fault electric field, give rear position normal electric field to upgrade unloading the ash time of rear position normal electric field, can be using the ash time of unloading of fault electric field directly as the grey time of unloading of rear normal electric field, the time that the ash time of unloading of fault electric field can also be obtained after unloading the conversion of grey time effects factor as after the unloading the ash time of position normal electric field, specifically depending on the concrete condition of position normal electric fields after many electric-field dust collectors.
The ash time of newly unloading of S104, the rear position of foundation normal electric field is controlled a rear normal electric field and unloads ash.
After controlling according to the grey time of unloading of fault electric field in step S104, a position normal electric field unloads ash, namely according to a position normal electric field after newly unloading the control of ash time, unloads ash.Certainly fault electric field does not unload ash work, and the unloading valve of controlling fault electric field keeps closed condition.
S105, end operation.
The grey control method of unloading that the present embodiment one provides is also included in while there is fault electric field, reports to the police.Can remind in time so relevant staff to carry out corresponding measure.
The many electric-field dust collectors of sintering machine that the embodiment of the present invention one provides unload grey control method, by the information of the many electric-field dust collectors electric field receiving is analyzed, judge whether many electric-field dust collectors exist fault electric field, because not carrying out dedusting work, fault electric field maybe cannot not carry out dedusting work, so directly give the rear position normal electric field adjacent with fault electric field by fault electric field corresponding ash time of unloading in unloading normally grey sequential, after, position normal electric field obtains newly unloading the ash time, and then makes rear position normal electric field exercise the dedusting function of fault electric field.This kind of mode can be avoided fault electric field still according to original ash time of unloading, to unload ash cannot dedusting time causing air leakage rate of sintering machine to increase, then position normal electric field causes the problem of being flooded by dust owing to unloading grey deficiency of time, can guarantee that many electric-field dust collectors unload normally carrying out of ash.
In the grey control procedure of unloading of reality, fault electric field may be one, when fault electric field is one, directly by the ash time of unloading of fault electric field, gives the rear normal electric field being adjacent; When fault electric field is while being a plurality of, and during discrete distribution, directly by the ash time of unloading of each fault electric field, give the rear normal electric field being adjacent.When fault electric field is while being a plurality of, and there are at least two fault electric fields when adjacent, after the ash time of unloading of these at least two adjacent fault electric fields is given, position is during normal electric field, need to be by the grey time of unloading of at least two adjacent fault electric fields, give respectively one by one the rear multidigit normal electric field adjacent with fault electric field, when then the number of multidigit normal electric field and the number of fault electric field should equate.
Embodiment bis-
As described in the background section, the efficiency of dust collection of many each electric fields of electric-field dust collector of sintering machine is different, and the existence of fault electric field will certainly affect the work of rear position normal electric field, also can affect the again dedusting of rear position normal electric field adjacent with rear position normal electric field.Only due to position normal electric field after again except dust quantity less, be subject to the impact of fault electric field less, nonetheless, then after the dedusting pressure of position normal electric field still can increase, normally unload ash and be also a greater impact.For head it off, reduce fault electric field cannot dedusting impact on position normal electric field after again, the embodiment of the present invention two provides the grey control method of unloading of the many electric-field dust collectors of a kind of sintering machine.
Please refer to accompanying drawing 3, the many electric-field dust collectors of sintering machine that Fig. 3 shows the embodiment of the present invention two to be provided unload the flow process of grey control method.
In flow process shown in Fig. 3, after giving the rear position normal electric field adjacent with fault electric field by the ash time of unloading of fault electric field, also comprise:
S205, by the ash time of unloading of rear position normal electric field give adjacent with rear position normal electric field again after position normal electric field.
S206, according to the ash time of newly unloading of position normal electric field after again, control again after a position normal electric field unload ash.
The present embodiment two improves on the basis of embodiment mono-, after giving rear position normal electric field by the ash time of unloading of fault electric field, by rear position normal electric field former unload the ash time give be adjacent again after position normal electric field, a rear position normal electric field obtains newly unloading the ash time again, and then the further rear position normal electric field that solves again unloads the large problem of dedusting pressure that grey deficiency of time causes.
It should be noted that, in Fig. 3, step S201-S204 and S207 are corresponding one by one with the step S101-S105 in embodiment mono-, and content is identical, and therefore, corresponding part please refer to description corresponding in embodiment mono-, and this does not repeat.
Embodiment tri-
Generally, the actual possible difference of grey mode of unloading of many each electric fields of electric-field dust collector, the difference of unloading grey mode may cause unloading the mode of the giving difference of ash time, otherwise can cause the ash time of unloading of rear position normal electric field unreasonable, finally increase the air leak rate of air curtain of whole sintering machine or cause dust to enter rear position normal electric field.
In order to address the above problem, please refer to accompanying drawing 4, the many electric-field dust collectors of sintering machine that Fig. 4 shows the embodiment of the present invention three to be provided unload a kind of flow process of grey control method.
In flow process shown in Fig. 4, by the ash time of unloading of fault electric field, give the rear position normal electric field adjacent with fault electric field, comprising:
After S303, judgement, whether the grey pattern of unloading of position normal electric field is that unloading valve unloads grey pattern one by one.
In step S303, the grey pattern of unloading of rear position normal electric field is judged, to determine the grey pattern of unloading of rear position normal electric field, the object of this step is, after determining, whether the grey pattern of unloading of position normal electric field is that a plurality of unloading valves carry out one by one order and unload ash, and unloading valve unloads grey pattern one by one.Step S303 judgment result is that while being, enters step S304, otherwise, enter step S306.
S304, using the ash time of unloading newly the unloading the ash time as rear position normal electric field of fault electric field.
After step S303 determines, the grey pattern of unloading of position normal electric field is that unloading valve is while unloading grey pattern one by one, consistent due to the quantity of scale, specified dust collection capacity and the unloading valve of rear position normal electric field and fault electric field, so now, directly using direct newly unloading the ash time as rear position normal electric field of the ash time of unloading of fault electric field.
It should be noted that, step S301, S302, S305 and S306 in Fig. 4, corresponding one by one with step S101, the S102, S104 and the S105 that implement in one respectively, and content is identical, and therefore, corresponding part please refer to the description in embodiment mono-, and this does not repeat.
Be similarly and addressed the above problem, please refer to accompanying drawing 5, the many electric-field dust collectors of sintering machine that Fig. 5 shows the embodiment of the present invention three to be provided unload the another kind of flow process of grey control method.
Flow process shown in Fig. 5, gives the rear position normal electric field adjacent with fault electric field by the ash time of unloading of fault electric field, comprising:
After S403, judgement, whether the grey pattern of unloading of position normal electric field is that unloading valve unloads grey pattern simultaneously.
Step S403 judgment result is that while being, illustrates that the grey pattern of unloading of rear position normal electric field is that unloading valve unloads grey pattern simultaneously, and while unloading ash, a plurality of unloading valves unload ash simultaneously, now enter step S404.Otherwise, enter step S407.
S404, calculate after the ratio K of position normal electric field and the unloading valve quantity of fault electric field;
S405, the 1/K part of unloading the ash time newly the unloading the ash time as rear position normal electric field of fault electric field of usining.
The another kind that the present embodiment three provides unloads grey control method, can be that unloading valve while unloading grey pattern simultaneously at rear position normal electric field, according to the unloading valve quantity of fault electric field and rear position normal electric field, by fault electric field unload grey time scale and give follow-up normal electric field, and then can realize determining the ash time of newly unloading of rear position normal electric field according to the grey pattern of unloading of rear position normal electric field.
It should be noted that, in Fig. 5, step S401, S402, S406 and S407 are corresponding one by one with step S101, S102, S104 and S105 in embodiment mono-respectively, and content is identical, so appropriate section please refer to the description in embodiment mono-, and this does not repeat.
Embodiment tetra-
Please refer to accompanying drawing 6, Fig. 6 shows the structure of many electric-field dust collectors of sintering machine dust unloading control system that the embodiment of the present invention four provides.
Structure shown in Fig. 6, comprises electric field information receiving element 501, judging unit 502, the first assignment unit 503 and the first control module 504, wherein:
Electric field information receiving element 501 is for receiving the information of many electric-field dust collectors electric field, and the information of described electric field be for can reflect whether the electric field of many electric-field dust collectors is the information of fault electric field, such as power information of electric field etc.
In actual receiving course, electric field information receiving element 501 can receive the information of many each electric fields of electric-field dust collector successively according to predetermined period, also can, according to predetermined period, receive the information of many each electric fields of electric-field dust collector simultaneously., in preferred version, predetermined period is greater than unloading the ash cycle of many electric-field dust collectors, to consider the hysteresis quality of many electric-field dust collector feedbacks.
Judging unit 502 is for judging according to the information of electric field whether many electric-field dust collectors exist fault electric field.In this part, fault electric field is electric field in off position or electric field that cannot duty.Judging unit 502 judges the whether state in not working and maybe cannot working of electric field according to electric field information, and then judges whether many electric-field dust collectors exist fault electric field.
The first assignment unit 503, for when many electric-field dust collectors exist fault electric field, gives the rear position normal electric field adjacent with fault electric field by the ash time of unloading of fault electric field.By judging unit 502, can be confirmed whether to exist fault electric field, then be given to adjacent rear position normal electric field the ash time of unloading of fault electric field, a rear position normal electric field obtains newly unloading the ash time.In the concrete process of giving, can carry out in the following manner, after determining fault electric field, directly extract the electric field sequence number of fault electric field, then from unloading ash, control and sequential, to search that this electric field sequence number is corresponding unloads the ash time, and set up this and unload the relation between ash time and the corresponding sequence number in normal electrical place, rear position, while making rear position normal electric field unload ash, directly adopt the ash time of unloading of fault electric field to unload ash or draw the grey time of unloading of rear normal electric field by the grey time indirect of unloading of fault electric field.Rear position normal electric field is given to upgrade unloading the ash time of rear position normal electric field by the ash time of unloading of fault electric field in the first assignment unit 503, not only can be using the ash time of unloading of fault electric field directly as newly the unloading the ash time of rear position normal electric field, the time that the ash time of unloading of fault electric field can also be obtained after unloading grey time effects factor conversion as after newly the unloading the ash time of position normal electric field.
The first control module 504, unloads ash for position normal electric field after controlling according to the ash time of newly unloading of rear position normal electric field.
The dust unloading control system of the many electric-field dust collectors of sintering machine that the embodiment of the present invention four provides, by many electric-field dust collectors electric field information that electric field information receiving element 501 is received, analyze, determine the fault electric field of many electric-field dust collectors, because not carrying out dedusting work, fault electric field maybe cannot not carry out dedusting work, so direct, by fault electric field corresponding ash time of unloading in unloading normally grey sequential, give the rear position normal electric field that this fault electric field is adjacent, using as the grey time of newly unloading of rear normal electric field.When this kind of mode enough avoided the not dedusting of fault electric field, still according to original ash time of unloading, unload the air leakage rate of sintering machine increase that ash causes, then a position normal electric field causes the problem of being flooded by dust owing to unloading grey deficiency of time, can guarantee to unload normally carrying out of ash.
In the grey control procedure of unloading of reality, fault electric field may be one, when fault electric field is one, the rear normal electric field being adjacent is directly given by the ash time of unloading of fault electric field in the first assignment unit 503, when fault electric field is while being a plurality of, and during discrete distribution, the first 503 of assignment unit are directly given the ash time of unloading of each fault electric field and an adjacent separately rear normal electric field.When fault electric field is a plurality of, and there are at least two fault electric fields when adjacent, after the ash time of unloading of these at least two adjacent fault electric fields is given, position is during normal electric field, need to be by the grey time of unloading of at least two adjacent fault electric fields, give respectively one by one the rear multidigit normal electric field that fault electric field is adjacent, when then the number of multidigit normal electric field and the number of fault electric field should equate.
The dust unloading control system that the present embodiment four provides also comprises alarm unit, and judging unit 502 is determined when many electric-field dust collectors exist fault electric field, reports to the police.Can remind in time so relevant staff to take appropriate measures.
Embodiment five
As described in the background section, the efficiency of dust collection of many each electric fields of electric-field dust collector of sintering machine is different, and the existence of fault electric field will certainly affect the work of other rear position normal electric field, also can affect the again dedusting of rear position normal electric field adjacent with rear position normal electric field.Only due to position normal electric field after again except dust quantity less, be subject to the impact of fault electric field less, nonetheless, then after position normal electric field dedusting pressure increase, normally unload ash and also can be a greater impact.For head it off, reduce fault electric field to the impact of rear position normal electric field again, the embodiment of the present invention five provides the dust unloading control system of the many electric-field dust collectors of a kind of sintering machine.
Please refer to accompanying drawing 7, Fig. 7 shows the structure of many electric-field dust collectors of sintering machine dust unloading control system that the embodiment of the present invention five provides.
Structure shown in Fig. 7, comprising:
The second assignment unit 605, for giving the ash time of unloading of rear position normal electric field the rear position normal electric field adjacent with rear position normal electric field.
The second control module 606, unloads ash for a position normal electric field after controlling again according to the ash time of newly unloading of position normal electric field after again.
The present embodiment five improves on the basis of embodiment tetra-, after giving rear position normal electric field by the ash time of unloading of fault electric field, by rear position normal electric field former unload the ash time give be adjacent again after position normal electric field, again after a position normal electric field obtain newly unloading the ash time, and then after further solving again, a position normal electric field unloads grey deficiency of time and causes the problem of being flooded by dust.
It should be noted that, in Fig. 7, electric field information receiving element 601, judging unit 602, the first assignment unit 603 and the first control module 604 are corresponding one by one with electric field information receiving element 501, judging unit 502, the first assignment unit 503 and the first control module 504 in embodiment tetra-respectively, and function is identical, please refer to the description in embodiment tetra-, this does not repeat.
Embodiment six
Generally, the actual possible difference of grey mode of unloading of many each electric fields of electric-field dust collector, the difference of unloading grey mode may cause unloading the mode of the giving difference of ash time, otherwise can cause the ash time of unloading of rear position normal electric field unreasonable, finally increase the air leak rate of air curtain of whole sintering machine or cause dust to enter rear position normal electric field.
In order to address the above problem, please refer to accompanying drawing 8, Fig. 8 shows a kind of structure of many electric-field dust collectors of sintering machine dust unloading control system that the embodiment of the present invention six provides.
In structure shown in Fig. 8, comprising:
The first judgment sub-unit 703, for judging whether the grey pattern of unloading of rear position normal electric field is that unloading valve unloads grey pattern one by one.The object that the first judgment sub-unit 703 judges is, after determining, whether the grey pattern of unloading of position normal electric field is that a plurality of unloading valves carry out one by one order and unload ash, and unloading valve unloads grey pattern one by one.
The first assignment subelement 704 is that unloading valve is while unloading grey pattern one by one, using the ash time of unloading newly the unloading the ash time as rear position normal electric field of fault electric field for the grey pattern of unloading at rear position normal electric field.The first judgment sub-unit 703 determine after the grey pattern of unloading of position normal electric fields be that unloading valve is while unloading grey pattern one by one, because the scale of postorder normal electric field, specified dust collection capacity and unloading valve unload the consistent of grey speed and fault electric field, so now, using direct unloading the ash time as rear position normal electric field of the ash time of unloading of fault electric field.
It should be noted that, in Fig. 8, electric field information receiving element 701, judging unit 702, the first control module 705, the second assignment unit 706 and the second control module 707 are corresponding one by one with electric field information receiving element 601, judging unit 602, the first control module 604, the second assignment unit 605 and the second control module 606 in embodiment five respectively, and function is identical, specifically please refer to the description of appropriate section in embodiment five, this does not repeat.
Be similarly and addressed the above problem, please refer to accompanying drawing 9, Fig. 9 shows the another kind of structure of the dust unloading control system of the many electric-field dust collectors of sintering machine that the embodiment of the present invention six provides.
Structure shown in Fig. 9, comprising:
The second judgment sub-unit 803, for judge whether the grey pattern of unloading of rear position normal electric field is that unloading valve unloads grey pattern simultaneously.
The second assignment subelement 805, usings the 1/K part of unloading the ash time newly unloading the ash time as rear position normal electric field of fault electric field.
The another kind of dust unloading control system that the present embodiment six provides, can be that unloading valve while unloading grey pattern simultaneously at rear position normal electric field, according to the unloading valve quantity of fault electric field and rear position normal electric field, by fault electric field unload grey time scale and give rear position normal electric field, and then realize and can realize and newly unload determining of ash time to rear position normal electric field according to the grey pattern of unloading of rear position normal electric field.
It should be noted that, in Fig. 9, electric field information receiving element 801, judging unit 802, the first control module 806, the second assignment unit 807 and the second control module 808 are corresponding one by one respectively with electric field information receiving element 701, judging unit 702, the first control module 705, the second assignment unit 706 and the second control module 707 in Fig. 8 respectively, and function is identical, concrete please refer to the description in previous embodiment, this does not repeat.
In the embodiment of the present invention one-embodiment six, the scale of many each electric fields of electric-field dust collector, dust collection capacity are identical, and each electric field can only have an ash-storing bin, also can have a plurality of ash-storing bins.An ash-storing bin has a unloading valve, and the grey speed of unloading of the unloading valve under the ash-storing bin of same electric field does not all equate.The quantity of the ash-storing bin of each electric field can be different, and the quantity of corresponding unloading valve is just not identical yet.Wherein, the ash time of unloading of fault electric field refers to fault electric field and adopts unloading valve to unload one by one grey pattern needed time while unloading ash.
In all embodiment of the present invention, the ash time of unloading of fault electric field unloads grey mode according to unloading valve order when referring to fault electric field and unloading ash and unloads the grey needed time.In all embodiment of the present invention, rear potential electrical field refers to the subsequent electric field that dedusting priority is lower.
Each embodiment in this description all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually referring to, each embodiment stresses is the difference with other embodiment.
Above-described embodiment of the present invention, does not form limiting the scope of the present invention.Any modification of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
- The many electric-field dust collectors of sintering machine unload grey control method, it is characterized in that, comprise the following steps:Receive the information of described many electric-field dust collectors electric field;According to described information, judge whether to exist fault electric field;When there is fault electric field, by the ash time of unloading of described fault electric field, give the rear position normal electric field adjacent with described fault electric field, make described rear position normal electric field obtain it and newly unload the ash time;According to the ash time of newly unloading of described rear position normal electric field, control described rear position normal electric field and unload ash.
- 2. according to claim 1ly unload grey control method, it is characterized in that, after giving the rear position normal electric field adjacent with described fault electric field by the ash time of unloading of described fault electric field, also comprise:By the ash time of unloading of described rear normal electric field, give the again rear position normal electric field adjacent with described rear position normal electric field, described in making, a rear position normal electric field obtains it and newly unloads the ash time again;According to described again after ash time of newly unloading of position normal electric field control described in again after a position normal electric field unload ash.
- 3. according to claim 2ly unload grey control method, it is characterized in that, by the ash time of unloading of described fault electric field, give the rear position normal electric field adjacent with described fault electric field, comprising:Whether the grey pattern of unloading that judges described rear position normal electric field is that unloading valve unloads grey pattern one by one;The grey pattern of unloading at described rear position normal electric field is that unloading valve is while unloading grey pattern one by one, using the ash time of unloading newly the unloading the ash time as described rear position normal electric field of described fault electric field.
- 4. according to claim 2ly unload grey control method, it is characterized in that, by the ash time of unloading of described fault electric field, give the rear position normal electric field adjacent with described fault electric field, comprising:Whether the grey pattern of unloading that judges described rear position normal electric field is that unloading valve unloads grey pattern simultaneously;The grey pattern of unloading at described rear position normal electric field is unloading valve while simultaneously unloading grey pattern, calculates the ratio k of described rear position normal electric field and the unloading valve quantity of described fault electric field;Using the 1/k part of unloading the ash time newly unloading the ash time as described rear position normal electric field of described fault electric field.
- 5. according to claim 1ly unload grey control method, it is characterized in that, by the ash time of unloading of described fault electric field, give the rear position normal electric field adjacent with described fault electric field, comprising:Judge whether described fault electric field is at least two, and adjacent;When described fault electric field is at least two, and during adjacent distributions, by the ash time of unloading of described fault electric field, give one by one the rear position normal electric field that described fault electric field is adjacent.
- 6. according to claim 1ly unload grey control method, characterized by further comprising:When there is fault electric field, report to the police.
- 7. according to the grey control method of unloading described in any one in claim 1-6, it is characterized in that, receive the information of described many electric-field dust collectors electric field, comprising:According to predetermined period, receive successively the information of described many each electric fields of electric-field dust collector, described predetermined period is greater than unloading the ash cycle of described many electric-field dust collectors.
- 8. the dust unloading control system of the many electric-field dust collectors of sintering machine, is characterized in that, comprising:Electric field information receiving element, for receiving the information of described many electric-field dust collectors electric field;Judging unit, for judging whether to exist fault electric field according to described information;The first assignment unit, for when there is fault electric field, gives the rear position normal electric field adjacent with described fault electric field by the ash time of unloading of described fault electric field, makes described rear position normal electric field obtain it and newly unloads the ash time;The first control module, unloads ash for controlling described rear position normal electric field according to the ash time of newly unloading of described rear position normal electric field.
- 9. dust unloading control system according to claim 1, is characterized in that, also comprises:The second assignment unit, for being given to the rear position normal electric field adjacent with described rear position normal electric field the ash time of unloading of described rear normal electric field, described in making, a rear position normal electric field obtains it and newly unloads the ash time again;The second control module, described in controlling for the ash time of newly unloading of the described rear position again of foundation normal electric field, a rear normal electric field unloads ash again.
- 10. dust unloading control system according to claim 8 or claim 9, is characterized in that, described the first assignment unit comprises:Judgment sub-unit, for judging whether the grey pattern of unloading of described rear position normal electric field is that unloading valve unloads grey pattern one by one;The first assignment subelement is that unloading valve is while unloading grey pattern one by one, using the ash time of unloading newly the unloading the ash time as described rear position normal electric field of described fault electric field for the grey pattern of unloading at described rear position normal electric field.
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