CN104437877B - Method and device for determining discharging time sequence - Google Patents
Method and device for determining discharging time sequence Download PDFInfo
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- CN104437877B CN104437877B CN201410776941.4A CN201410776941A CN104437877B CN 104437877 B CN104437877 B CN 104437877B CN 201410776941 A CN201410776941 A CN 201410776941A CN 104437877 B CN104437877 B CN 104437877B
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Abstract
The invention discloses a method and a device for determining a discharging time sequence. The method comprises the following steps: obtaining dust sedimentation rates of various sub-dedusting units in a sintering electrical precipitator; determining a discharging cycle of the sintering electrical precipitator through the first dust sedimentation rate of the first sub-dedusting unit in the sub-dedusting units and the effective volume of the first sub-dedusting unit, wherein the first sub-dedusting unit is the unit with the highest dust sedimentation rate in the sintering electrical precipitator; and through the discharging cycle, the dust sedimentation rates of the sub-dedusting units and the discharging rate of the sintering electrical precipitator, determining the discharging time of each sub-dedusting unit according to the relationship between the discharging quantity of the sub-dedusting units within the discharging cycle and the dust sedimentation amount of the sub-dedusting units. According to the method and the device disclosed by the invention, the problem that a material level switch frequently works and is easily damaged due to an unreasonable discharging time sequence in the prior art is avoided.
Description
Technical field
The present invention relates to dedusting technology field, the method and device of grey sequential is unloaded in more particularly to a kind of determination.
Background technology
Recently as industrial continuous development, the environmental pollution that waste gas discharge causes is on the rise it is therefore desirable to control
The discharge of pollutant.And electric cleaner is exactly a kind of preferable environmental protection equipment, its function is by the granule cigarette in discharge flue gas
Dirt is removed, thus the fume amount that enter in atmosphere is greatly lowered, is to improve environmental pollution, improves the weight of air quality
Want environmental protection equipment.
, electric cleaner and its ash-transmission system schematic diagram are as shown in Figure 1 taking sintering machine head end electric precipitation as a example.Ash-laden gas 01 by
Flue enters electric cleaner, after sequentially passing through multiple electric field dedustings (3-5 conventional electric field), removing dust blower fan, chimney (setting
After dedusting exhanst gas outlet) arrange outward.Electric cleaner institute chalk dust removing (hereinafter referred to as dedusting ash) falls into respective electric field ash-storing bin 021
Store in short-term, electric field ash-storing bin 021 successively opens corresponding unloading valve 022 by necessarily rule, makes dedusting ash through the defeated ash of electric cleaner
System (including: electric field ash-storing bin unloading valve 022, electric field scraper ash-transmission machine 05, total scraper ash-transmission machine 06, bucket elevator 07) fortune
To total ash-storing bin 08.Final dedusting ash is transported outward system 09 through dust and is sent.
Under normal circumstances, in Electric Field in ESP ash-storing bin, dust should be maintained under high charge level, on low material position.Work as electricity
When dust in cleaner unit electric field ash-storing bin is higher than corresponding ash-storing bin high charge level, it is possible that dust floods the fault of electric field,
Lead to electric field can not work；When the dust of Electric Field in ESP ash-storing bin is less than low material position, electric cleaner air leak rate of air curtain can be led to
Increasing, thus increasing SINTERING PRODUCTION energy consumption, affecting SINTERING PRODUCTION.
Existing electric precipitation electric field determines that the method unloading grey sequential is time control and the Level control using fixed cycle fixed time sequence
The method combining.In order to make it easy to understand, the method unloading grey sequential with the determination of three electric field electric cleaners to illustrate many electric field electricity
The method that grey sequential is unloaded in the existing determination of cleaner unit.
Three electric field electric cleaners unload the distribution of grey control time and its electric field ash-storing bin material position relation schematic diagram as shown in Fig. 2
Wherein, 1t unloads the grey cycle for first, electric cleaner；2t unloads the grey cycle for second, electric cleaner；1t1 unloads ash week for first
Interim 1 electric field unloads the grey time period；1t2 unloads 2 electric fields in the grey cycle for first and unloads the grey time period；1t3 unloads the grey cycle for first
In 3 electric fields unload the grey time period；1t0 unloads to wait in the grey cycle for first and unloads the grey time period；It is medium that 2t0 unloads the grey cycle for second
Wait to unload the grey period；1t1 unloads 1 electric field in the grey cycle for first and unloads grey start time；1t2 unloads 1 electric field in the grey cycle for first
Unload grey finish time, 2 electric fields unload grey start time；1t3 unloads 2 electric fields in the grey cycle for first and unloads grey finish time, and 3 electric fields unload
Grey start time；2t0 unloads 3 electric fields in the grey cycle for first and unloads grey finish time, and first is unloaded the grey end cycle moment, and second
Individual unload grey start time in cycle；Hh is the high high charge level of electric field ash-storing bin (back-up protection)；H is electric field ash-storing bin high charge level；Ll is
The low material position of electric field ash-storing bin (back-up protection)；L is the low material position of electric field ash-storing bin.
As shown in Fig. 2 each electric field that the ash-transmission system control method of electric cleaner is one group of cycle to be repeated for t is successively
Unload the combination of actions of ash.First is unloaded grey cycle 1t and is made up of tetra- periods of 1t0,1t1,1t2,1t3；1t0 is dust settling rank
Section, within the 1t0 period, electric precipitation electric field does not unload ash, and the dust of electric precipitation electric field capture gradually drops in each electric field dust cabin.
Within 1t1 moment, 1 electric field dust cabin, dust is close to high charge level, and 1 electric field unloads the grey time to start.When 1t1 to the 2t0 period is to unload ash
Section, respectively 1 electric field unloads grey period 1t1, and 2 electric fields unload grey period 1t2, and 3 electric fields unload grey period 1t3.First electric cleaner electricity
Field is unloaded after grey cycle 1t terminates, and starts second Electric Field in ESP and unloads grey cycle 2t, second Electric Field in ESP unloads ash week
In phase 2t, each electric field unloads grey period 2t1,2t2,2t3 and dust settling period 2t0 and unloads the grey cycle with first Electric Field in ESP
1t.Remaining unloads the grey cycle and unloads grey cycle phase together with first.
As shown in Fig. 2 ash-storing bin material position curve: i.e. in the 1t1 moment, 1 electric field dust settling to close to high charge level h, during 1t2
Carve, the dust of 1 electric field ash-storing bin is drained into close to low material position l；The 1t2 moment, 2 electric field dust settlings to relatively high-order, during 1t3
Carve, 2 electric field dust are drained into low level relatively；In the 1t3 moment, to a high position relatively, the 2t0 moment, by 3 electric field powder for 3 electric field dust settlings
Dirt drains into low level.Be can be seen that in a dust settling amount unloading each electric field ash-storing bin in the grey cycle by ash-storing bin material position curve
Identical with dust unloading ash capacity；The speed of 1 electric field dust settling is much larger than 2,3 electric fields, even if 2,3 electric field ash-storing bins dust and sink
The situation that fall amount and dust unloading ash capacity do not wait, its error accumulation to controlling level is also required to multiple unload the grey cycle, so right
Unload that the grey cycle plays a decisive role be 1 electric field dust settling speed with unload grey speed.
In actual production, because the change of fluctuation and electric precipitation health status is it becomes virtually impossible to accomplish every
The individual dust settling amount unloading ash-storing bin in the grey cycle is identical with dust unloading ash capacity, in order to avoid leading to powder because unloading grey error accumulation
Dirt exceed high charge level or less than low material position and cause related accidents, existing method be introduced into stuff level switch participate in control, Fig. 3 with
As a example three electric field ash-storing bins, illustrate that material position participates in the relation controlling with unloading grey sequential.
As Fig. 3 high charge level participates in shown in curve, such as unloading in the grey cycle in 1t, due to production status fluctuation, lead at this
Unload in the grey cycle, the electric precipitation ash-storing bin amount of gathering dust is larger, in the 1t1 ' moment, 1 electric field ash-storing bin reaches high charge level h, and high charge level is opened
Pass action；Now walk by the grey cycle of unloading of electric precipitation, not yet unload grey start time 1t1 to 1 electric field, but 1 electric field unloads ash also can
Immediately begin to, unload grey time span and be maintained as 1t1, unload grey finish time for 1t2 '.2nd, 3 electric fields unload ash and still maintain original unloading
Grey sequential is carried out, and arrives the 1t2 moment in 1t2 ', does not unload grey action.
Material position as low in Fig. 3 participates in shown in curve, for example, unloading in the grey cycle in 1t, due to producing of short duration termination, leads at this
Unload in the grey cycle, the electric precipitation ash-storing bin amount of gathering dust is less, unload after ash starts in 1 electric field ash-storing bin, 1t2 " moment, to arrive feed bin low
Material position l, low stuff level switch action；Now unload the grey cycle by electric precipitation to walk, should continue to unload ash to the 1t2 moment, but 1 electric field unloads ash
Can stop immediately, unloading grey time span is 1t1 to 1t2 ", in 1t2 " to the 1t2 moment, do not unload grey action.
The height material position action in several cycles, in actual production, occurs once in a while, is inevitable, but if unload ash week
Phase and the serious mismatch (the dust settling amount unloading in the grey cycle determining and dust unloading ash capacity difference are excessive) of production, institute above
The fixed cycle stated determines that the method unloading grey sequential may result in and unloads ash by level signals in leading situation；And the electricity of electric cleaner
The stuff level switch of field ash-storing bin is a consumable accessory, is easily damaged after multiple action.If sequential is dominated, after level signals do
Standby protection, stuff level switch energy work really long days, if level signals are dominated, sequential is substantially inoperative, and stuff level switch is very
Easily just damage, after level signals damage, just easily lead to previously described dust and flood the faults such as electric field and lead to electricity
The fault that cleaner unit air leak rate of air curtain increases occurs, thus affecting to produce, increases production cost.
Content of the invention
It is an object of the invention to provide the method and device of grey sequential is unloaded in a kind of determination, its object is to solve prior art
In unload that the setting of grey sequential is unreasonable and the problem that leads to stuff level switch frequent operation.
For solving above-mentioned technical problem, the present invention provides a kind of method that grey sequential is unloaded in determination, comprising:
Obtain the dust settling speed of each point of dust removing units in sintering electric cleaner；
By the first dust settling speed of first point of dust removing units in described each point of dust removing units and described first point
The dischargeable capacity of dust removing units, removes less than described first point unloading the sedimentation total amount in the grey cycle according to first point of dust removing units
The relation of the dischargeable capacity of dirt unit, determines unloading the grey cycle of described sintering electric cleaner, described first point of dust removing units are institute
State dust settling speed unit the fastest in sintering electric cleaner, the dischargeable capacity of described first point of dust removing units is between described
Volumetric values between the high and low stuff level switch of first point of dust removing units；
By described unload grey cycle, the dust settling speed of each point of dust removing units and described sintering electric cleaner unload ash
Speed, according to described each point of dust removing units in the dust settling amount unloading the unloading ash capacity in the grey cycle and described each point of dust removing units
Relation, determine each point of dust removing units unloads the grey time.
Alternatively, the described dust settling speed obtaining each point of dust removing units in sintering electric cleaner includes:
Obtain described sintering electric cleaner and always remove dust quantity in Preset Time；
In acquisition described sintering electric cleaner, each point of dust removing units and first point of dust removing units are except the relative ratio of dust quantity；
According to described each point of dust removing units and first point of dust removing units except the relative ratio of dust quantity, determine that described first point is removed
The dedusting coefficient of dirt unit, described dedusting coefficient is that described first point of dust removing units remove dust quantity and always remove the ratio of dust quantity；
By the described dedusting coefficient always removing dust quantity and described first point of dust removing units, determine that first point of dust removing units exists
In Preset Time first removes dust quantity；
Remove dust quantity and Preset Time by described first, determine the first dust settling speed of described first point of dust removing units
Rate；
Remove the relative ratio of dust quantity and described first dust by described each point of dust removing units and first point of dust removing units
The rate of settling, determines the dust settling speed of described each point of dust removing units.
Alternatively, described obtain total in preset time period of sintering electric cleaner and include except dust quantity:
When detect described sintering electric cleaner enter hole capital after selling all securities unload grey state when, current time is set to measure described sintering
This total start time removing dust quantity of electric cleaner；
After the first default production time, when described sintering electric cleaner is detected again and entering hole capital after selling all securities and unload grey state,
Current time is set to measure this total finish time removing dust quantity of described sintering electric cleaner；
Calculate from described total start time except dust quantity to the described finish time always removing dust quantity, described sintering electricity removes
The total of dirt device removes dust quantity.
Alternatively, described detection described sintering electric cleaner entrance hole capital after selling all securities unloads grey state and includes:
Detect whether each point of dust removing units in described sintering electric cleaner enter hole capital after selling all securities and unload grey state, when each successively
Divide dust removing units all to enter hole capital after selling all securities to unload during grey state it is determined that described sintering electric cleaner enters hole capital after selling all securities unloads grey state.
Alternatively, point dust removing units entrance hole capital after selling all securities in described detection described sintering electric cleaner unloads grey state and includes:
The flow value of the weighing unit in detection described sintering electric cleaner, by described flow value and described point of dust removing units
Specified unload grey flow and be compared with the ratio of preset ratio coefficient, when described flow value be less than described specified unload grey flow with
The ratio of preset ratio coefficient, and when the persistent period is more than preset durations, judge that described point of dust removing units enter hole capital after selling all securities and unload
Grey state.
Alternatively, described determination is unloaded the method for grey sequential and is updated in predetermined period.
Present invention also offers the device of grey sequential is unloaded in a kind of determination, comprising:
First acquisition unit, for obtaining the dust settling speed of each point of dust removing units in sintering electric cleaner；
First computing unit, for the first dust settling speed by first point of dust removing units in described each point of dust removing units
Rate and the dischargeable capacity of described first point of dust removing units, according to first point of dust removing units unloading the sedimentation total amount in the grey cycle not
Exceed the relation of the dischargeable capacity of described first point of dust removing units, determine described sintering the unloading the grey cycle of electric cleaner, described the
One point of dust removing units are dust settling speed unit the fastest in described sintering electric cleaner, the having of described first point of dust removing units
Effect volume is the volumetric values between the high and low stuff level switch of described first point of dust removing units；
Second computing unit, for unloading grey cycle, the dust settling speed of each point of dust removing units and described by described
Sintering electric cleaner unload grey speed, according to described each point of dust removing units unloading the unloading ash capacity in the grey cycle and described each point of dedusting
The relation of the dust settling amount of unit, determine each point of dust removing units unloads the grey time.
Alternatively, described first acquisition unit includes:
Second acquisition unit, always removes dust quantity for obtaining described sintering electric cleaner in Preset Time；
3rd acquiring unit, is removed with first point of dust removing units for obtaining each point of dust removing units in described sintering electric cleaner
The relative ratio of dust quantity；
3rd computing unit, for removing comparing of dust quantity according to described each point of dust removing units with first point of dust removing units
Value, determine the dedusting coefficient of described first point of dust removing units, described dedusting coefficient be described first point of dust removing units remove dust quantity with
Always remove the ratio of dust quantity；
4th computing unit, for by the described dedusting coefficient always removing dust quantity and described first point of dust removing units, really
Determine first point of dust removing units in Preset Time first and remove dust quantity；
5th computing unit, for removing dust quantity and Preset Time by described first, determines described first point of dedusting list
First dust settling speed of unit；
6th computing unit, for removing the relative ratio of dust quantity by described each point of dust removing units and first point of dust removing units
And described first dust settling speed, determine the dust settling speed of described each point of dust removing units.
Alternatively, described second acquisition unit includes:
First detector unit, for when detect described sintering electric cleaner enter hole capital after selling all securities unload grey state when, when will be current
Carve and be set to measure this total start time removing dust quantity of described sintering electric cleaner；
Second detector unit, for, after the first default production time, entering when described sintering electric cleaner is detected again
When entering hole capital after selling all securities and unloading grey state, current time is set to measure described sintering electric cleaner, and this always removes finish time of dust quantity；
Weigh summing elements, for calculating from the described start time always removing dust quantity to the described finish time always removing dust quantity
Between, described the total of sintering electric cleaner removes dust quantity.
Alternatively, described first detector unit and described second detector unit are used for detecting that described sintering electric cleaner enters
Enter hole capital after selling all securities and unload grey state to include:
Described first detector unit and described second detector unit are specifically for detecting described sintering electric cleaner successively
In each point of dust removing units whether enter hole capital after selling all securities and unload grey state, when each point of dust removing units all enter hole capital after selling all securities and unload grey state,
Then determine that described sintering electric cleaner enters hole capital after selling all securities and unloads grey state.
Alternatively, described first detector unit and described second detector unit are used for detecting in described sintering electric cleaner
Each point of dust removing units whether enter hole capital after selling all securities and unload grey state and include:
Described first detector unit and described second detector unit are specifically in detection described sintering electric cleaner
The flow value of weighing unit, by the specified ratio unloading grey flow and preset ratio coefficient of described flow value and described point of dust removing units
Value is compared, and when described flow value is less than the described specified ratio unloading grey flow and preset ratio coefficient, and the persistent period is big
When preset durations, judge that described point of dust removing units enter hole capital after selling all securities and unload grey state.
The method and device of grey sequential is unloaded in determination provided by the present invention, and the method is unloading ash according to first point of dust removing units
Sedimentation total amount in cycle is less than the dischargeable capacity of first point of dust removing units and each point of dust removing units unloading in the grey cycle
Unloading ash capacity and its dust settling amount meet the relation of dynamic equilibrium, by obtaining each point of dust removing units sintering in electric cleaner
Dust settling speed, in conjunction with described sintering electric cleaner unload grey speed, determine described sintering electric cleaner unload the grey cycle with
And each point of dust removing units unload the grey time.It can be seen that, the present invention can be true according to the actual dust settling speed of sintering electric cleaner
That surely unloads grey cycle and each point of dust removing units unloads the grey time, so that sintering electric cleaner is obtained and practical condition more adaptation
Unload grey sequential, thus avoiding unreasonable and lead to stuff level switch frequent operation, easily damage due to unloading grey sequential in prior art
Bad problem.
Brief description
Fig. 1 is electric cleaner and its ash-transmission system schematic diagram；
Fig. 2 unloads grey control time distribution and its electric field ash-storing bin material position relation schematic diagram for three electric field electric cleaners；
Fig. 3 is the relation schematic diagram that three electric field electric cleaner stuff level switch participate in controlling with unloading grey sequential；
Fig. 4 is a kind of flow chart of specific embodiment of the method that grey sequential is unloaded in determination provided by the present invention；
Fig. 5 be the method that grey sequential is unloaded in determination provided by the present invention another kind of specific embodiment in step 101 real
The flow chart of existing mode；
Fig. 6 be the method that grey sequential is unloaded in determination provided by the present invention another kind of specific embodiment in step 201 real
The flow chart of existing mode；
Fig. 7 is the flow chart of another specific embodiment of the method that grey sequential is unloaded in determination provided by the present invention；
Fig. 8 is the structural representation of another specific embodiment of the method that grey sequential is unloaded in determination provided by the present invention
Figure；
Fig. 9 be the method that grey sequential is unloaded in determination provided by the present invention another specific embodiment in step 401 real
The flow chart of existing method；
Figure 10 is a kind of structured flowchart of specific embodiment of the device that grey sequential is unloaded in determination provided by the present invention；
Figure 11 be the device that grey sequential is unloaded in determination provided by the present invention a kind of specific embodiment in first obtain single
The structured flowchart of unit 100；
Figure 12 be the device that grey sequential is unloaded in determination provided by the present invention a kind of specific embodiment in second obtain single
The structured flowchart of unit 101.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiment is only a part of embodiment of the present invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, broadly falls into the scope of protection of the invention.
The invention provides the method and device of grey sequential is unloaded in a kind of determination, generally, sinter each point of electric cleaner
The sequencing that dust removing units unload ash fixes, and the determination unloading grey sequential in the present invention predominantly determines that this sintering electricity removes
Each point of dust removing units of dirt device unload the grey time.
The determination that the present invention provides unloads a kind of specific embodiment of the method for grey sequential as shown in figure 4, this embodiment
Specifically include following steps:
Step 101: obtain the dust settling speed of each point of dust removing units in sintering electric cleaner；
Step 102: by the first dust settling speed and the institute of first point of dust removing units in described each point of dust removing units
State the dischargeable capacity of first point of dust removing units, according to first point of dust removing units unload the sedimentation total amount in the grey cycle be less than described
The relation of the dischargeable capacity of first point of dust removing units, determines unloading the grey cycle of described sintering electric cleaner, described first point of dedusting
Unit is dust settling speed unit the fastest in described sintering electric cleaner, and the dischargeable capacity of described first point of dust removing units is
Volumetric values between the high and low stuff level switch of described first point of dust removing units；
Step 103: unload grey cycle, the dust settling speed of each point of dust removing units and described sintering electric precipitation by described
Device unload grey speed, according to described each point of dust removing units in the dust unloading the unloading ash capacity in the grey cycle and described each point of dust removing units
The relation of settling amount, determine each point of dust removing units unloads the grey time.
The method that grey sequential is unloaded in determination provided by the present invention, according to first point of dust removing units unloading the sedimentation in the grey cycle
Total amount is less than the dischargeable capacity of first point of dust removing units and each point of dust removing units unloading the unloading ash capacity in the grey cycle and its powder
Dirt settling amount meets the relation of dynamic equilibrium, by obtaining the dust settling speed of each point of dust removing units in sintering electric cleaner
Rate, in conjunction with described sintering electric cleaner unload grey speed, determine described sintering electric cleaner unload grey cycle and each point of dedusting
Unit unload the grey time.It can be seen that, the present invention can unload the grey cycle according to the actual dust settling speed determination of sintering electric cleaner
And each point of dust removing units unload the grey time, make sintering electric cleaner obtain with practical condition more adaptation unload grey sequential,
Thus avoid in prior art due to unload that grey sequential is unreasonable and the problem that leads to stuff level switch frequent operation, be easily damaged.
A kind of the invention provides another embodiment of the method for grey sequential is unloaded in determination, as shown in figure 5, the tool of this embodiment
Body execution step is unanimous on the whole with the embodiment shown in Fig. 4, wherein, the step 101 of embodiment illustrated in fig. 4 preferably can adopt with
Lower step is realized:
Step 201: obtain sintering electric cleaner and always remove dust quantity in preset time period；
Step 202: obtain in described sintering electric cleaner each point of dust removing units with first point of dust removing units except the phase of dust quantity
Reduced value；
Step 203: according to described each point of dust removing units and first point of dust removing units except the relative ratio of dust quantity, determine described
The dedusting coefficient of first point of dust removing units, described dedusting coefficient is that described first point of dust removing units remove dust quantity and always remove the ratio of dust quantity
Value；
Step 204: by the described dedusting coefficient always removing dust quantity and described first point of dust removing units, determine that first point is removed
Dirt unit in Preset Time first remove dust quantity；
Step 205: remove dust quantity and Preset Time by described first, determine the first powder of described first point of dust removing units
The dirt rate of settling；
Step 206: remove the relative ratio of dust quantity and described by described each point of dust removing units and first point of dust removing units
First dust settling speed, determines the dust settling speed of described each point of dust removing units.
In the above-described embodiments, the specific implementation of step 201 is as shown in Figure 6, comprising:
Step 301: when detect described sintering electric cleaner enter hole capital after selling all securities unload grey state when, by current time be set to measure
This total start time removing dust quantity of described sintering electric cleaner；
Whether described detection sintering electric cleaner enters hole capital after selling all securities is unloaded grey state and specifically can be realized using following process: successively
Whether each point of dust removing units in detection described sintering electric cleaner enter hole capital after selling all securities is unloaded grey state, when each point of dust removing units are equal
Enter hole capital after selling all securities to unload during grey state it is determined that described sintering electric cleaner enters hole capital after selling all securities unloads grey state.
Wherein, point dust removing units entrance hole capital after selling all securities in detection described sintering electric cleaner unloads grey state and can specifically wrap again
Include: the flow value of the weighing unit in detection described sintering electric cleaner, by the volume of described flow value and described point of dust removing units
Surely the ratio unloading grey flow with preset ratio coefficient is compared, when described flow value be less than described specified unload grey flow with default
The ratio of proportionality coefficient, and when the persistent period is more than preset durations, judge that described point of dust removing units enter hole capital after selling all securities and unload ash shape
State.
Step 302: after the first default production time, unload ash when described sintering electric cleaner entrance hole capital after selling all securities is detected again
During state, current time is set to measure this total finish time removing dust quantity of described sintering electric cleaner；
Step 303: calculate from described total start time except dust quantity to the described finish time always removing dust quantity, described
The total of sintering electric cleaner removes dust quantity.
It is pointed out that the method that grey sequential is unloaded in determination provided by the present invention is updated in predetermined period.This
Mainly due in actual production process, in change, the state of production also changed, before one week the operating mode of sintering electric cleaner
Accurately unload grey sequential, crossing may not be accurate once week.Therefore, (such as one week about) just needs electric cleaner at regular intervals
Automatically calibrated.
The method that grey sequential is unloaded in the determination that the embodiment of the present invention is provided, according to first point of dust removing units unloading in the grey cycle
Sedimentation total amount be less than the dischargeable capacity of first point of dust removing units and each point of dust removing units unloading the unloading ash capacity in the grey cycle
Meet the relation of dynamic equilibrium with its dust settling amount, sunk by obtaining the dust of each point of dust removing units in sintering electric cleaner
Reduction of speed rate, in conjunction with described sintering electric cleaner unload grey speed, determine described sintering electric cleaner unload grey cycle and each point
Dust removing units unload the grey time.It can be seen that, the present invention can unload ash according to the actual dust settling speed determination of sintering electric cleaner
Cycle and each point of dust removing units unload the grey time, so that sintering electric cleaner is obtained and when unloading ash of practical condition more adaptation
Sequence, thus avoid unreasonable and lead to stuff level switch frequent operation, asking of being easily damaged due to unloading grey sequential in prior art
Topic.
As shown in fig. 7, the invention provides the another embodiment of the method for grey sequential is unloaded in a kind of determination, in the present embodiment
In, it typically is many electric fields electric cleaner taking the electric cleaner of SINTERING PRODUCTION system as a example, there are many electric field structures.This enforcement
Example comprises the following steps:
Step 401: obtain electric cleaner and always remove dust quantity in Preset Time；
Under normal circumstances, electric cleaner ash-transmission system only has a unloading valve job, the conveying energy of scraper plate in the same time
Power is to meet a unloading valve to unload ash requirement at full capacity.Belt conveyer scale 10 is set in total scrapper conveyor downstream of electric cleaner equipment, such as
Shown in Fig. 8, so that hc1 electric field ash-storing bin unloads ash as a example, the unloading valve f1 work when storing dedusting ash in hc1 electric field ash-storing bin,
Dedusting ash enters total storage ash through unloading valve 022, scraper ash-transmission machine 05, total scrapper conveyor 06, closed belt scale 10, bucket elevator 07
Storehouse 08.Weighing unit belt conveyer scale 10 can detect the dust weight flowing through closed belt scale in the unit interval.
Assume that the time that dedusting ash is transported to closed belt scale 10 needs from electric field ash-storing bin 021 is δ t, do not consider that electricity removes
The dust weight of dirt pole plate adhesion, total in t1 to t2 Preset Time of electric cleaner meets following relational expression except dust quantity:
g(t1,t2)=gScale (t1+ δ t, t2+ δ t)+ht2-ht1(1)
Wherein, ht1For the total storage ash quantity in each electric field ash-storing bin of t1 moment electric cleaner；ht2Each for t2 moment electric cleaner
Total storage ash quantity in electric field ash-storing bin；gScale (t1+ δ t, t2+ δ t)For corresponding period closed belt scale 10 measurement the data obtained.
Limited by cost and electric cleaner structure, the electric field ash-storing bin of electric cleaner will not arrange loading component, electric precipitation
It is a time dependent amount that the electric field ash-storing bin of device always stores up ash quantity, in t1 and each electric field ash-storing bin of t2 moment electric cleaner
Total storage ash quantity ht1With ht2Actual value be difficult to obtain.Therefore, in the present embodiment, when selection electric field ash-storing bin is the t1 of hole capital after selling all securities
Carve and the t2 moment, i.e. ht1=ht2=0 it is possible to acquire the total of electric cleaner in Preset Time using closed belt scale 10
Except dust quantity g(t1,t2).
Step 402: in the described electric cleaner of acquisition, each electric field and the first electric field are except the dedusting ratio of dust quantity；
Step 403: remove the dedusting ratio of dust quantity according to described each electric field and the first electric field, determine the dedusting of described first electric field
Coefficient, described dedusting coefficient is that described first electric field removes dust quantity and always removes the ratio of dust quantity；
Electric cleaner always removes dust quantity and each electric field has a following relation except dust quantity:
g(t1,t2)=g1(t1,t2)+g2(t1,t2)+…+gn(t1,t2)(2)
Wherein, g(t1,t2)For electric cleaner from the t1 moment to t2 moment always except dust quantity, units/kg；g1(t1,t2)For electric precipitation
Device first electric field is from the t1 moment to t2 moment except dust quantity, units/kg；g2(t1,t2)For electric cleaner second electric field from the t1 moment to
The t2 moment except dust quantity, units/kg；gn(t1,t2)For electric cleaner n-th electric field from the t1 moment to t2 moment except dust quantity, unit
kg；N is the electric field quantity of electric cleaner.
Each electric field except dust quantity and the first electric field except dust quantity can be expressed as following relation:
gx(t1,t2)=kx×g1(t1,t2)(3)
Wherein, g1(t1,t2)For electric cleaner first electric field from the t1 moment to t2 moment except dust quantity, units/kg；gx(t1,t2)
For electric cleaner xth electric field from the t1 moment to t2 moment except dust quantity, units/kg；kxFor electric cleaner xth electric field and the first electricity
The dedusting ratio of field；X is the integer between 2-n, and n is Electric Field in ESP quantity.
In described electric cleaner, each electric field and the first electric field can be considered as constant except the dedusting ratio of dust quantity, can lead in practice
Cross the methods such as experiment to acquire.
Can obtain in conjunction with formula (2) and (3):
g(t1,t2)=(1+k2+…+kn)×g1(t1,t2)=k × g1(t1,t2)(4)
Wherein, k=(1+k2+…+kn) represent the dedusting coefficient of the first electric field, i.e. the first electric field and the ratio always removing dust quantity.
According to the dedusting ratio acquiring, determine the dedusting coefficient k of the first electric field.
Step 404: by the described dedusting coefficient always removing dust quantity and described first electric field, determine the first electric field default
In time first removes dust quantity；
Dust quantity g is always removed according to determined by step 401(t1,t2)And the dedusting system of the first electric field determined by step 403
Number k, in conjunction with formula (4), determines that the first electric field in described Preset Time first removes dust quantity g1(t1,t2).
Step 405: remove dust quantity and Preset Time by described first, determine the first dust settling of described first electric field
Speed；
According to determining the first electric field in Preset Time (t2-t1) in step 404 first removes dust quantity g1(t1,t2), knot
Close formula j1v=g1(t1,t2)/ (t2-t1), determines the first dust settling speed j1 of the first electric fieldv；
Step 406: dust quantity is removed by described each electric field and the first electric field removes the dedusting ratio of dust quantity and described first dust
The rate of settling, determines the dust settling speed of described each electric field；
K is compared in the dedusting that each electric field being got according to step 403 and the first electric field remove dust quantityxAnd step 405 is determined
The first dust settling speed j1v, in conjunction with formula jxv=kx×j1v, determine dust settling speed jx of each electric fieldv.
Step 407: by the first dust settling speed of the first electric field in electric cleaner and having of described first electric field
Effect volume, determine described electric cleaner unloads the grey cycle；
In practice, each electric field of electric cleaner has very big difference except dust quantity, generally, due to the first electric field
Dust settling speed is the fastest, therefore to head electric cleaner unload that the grey cycle plays a decisive role is electric cleaner first electric field
Dust settling speed with unload grey speed.
The dischargeable capacity of the first electric field should volumetric values (m between the height stuff level switch of described first electric fieldh-ml),
Wherein mhFor storage dust weight corresponding during electric cleaner 1 electric field ash-storing bin high charge level, units/kg；mlFor the storage of electric cleaner 1 electric field
Corresponding dedusting dust weight, units/kg during the low material position of ash silo.
Unload in the grey cycle at one, should ensure to realize the utilization of dust storage capacity, also will avoid touching stuff level switch.Cause
This, the grey cycle of unloading of electric cleaner is limited by the ash-storing bin volume of the first electric field, should meet:
t×j1v=p × (mh-ml) (5)
Wherein, p is Electric Field in ESP ash-storing bin usage factor, and usual value is 0.8-0.95, only need to meet the first electricity
Field is less than or equal to the volume of its ash-storing bin in a dust settling amount unloaded in the grey cycle.
First dust settling speed j1 according to determined by step 405vAnd first electric field dischargeable capacity, in conjunction with formula
(5), determine electric cleaner unloads grey cycle t.
Step 408: according to each electric field of electric cleaner unload the unloading ash capacity in the grey cycle and its dust settling amount meet dynamic
The relation of state balance, by described unload grey cycle, the dust settling speed of each electric field and each electric field ash-storing bin unload grey speed,
Determine each electric field unloads the grey time.
Unload in grey sequential in an accurate electric precipitation, each electric field of electric cleaner sinks in a dust unloading in the grey cycle
Fall total amount should meet dynamic equilibrium with the grey total amount of unloading of its ash-storing bin unloading valve, should meet:
t×jzv=tz×fv(6)
Wherein, jzvFor electric cleaner z electric field dust settling speed, units/kg/s；tzFor electric cleaner z electric field one
Individual unload in the grey cycle unload grey time, unit s；fvFor Electric Field in ESP unloading valve flow, units/kg/s；Z is between 1-n
Number, n is Electric Field in ESP quantity.
Selecting Double-deck cinder discharge valve or star-shaped dust-discharging valve the unloading valve of electric precipitation, by Motor drive, it unloads this unloading valve more
Grey speed is relevant with motor speed, can be acquired by actual.
By unloading dust settling speed jx of each electric field determined by grey cycle t, step 406 determined by step 407vWith
And described sintering electric cleaner unload grey speed fv, in conjunction with formula (6), determine each electric field unloads grey time tz.
Step 409: according to the relation unloaded the grey time and unload the grey cycle of described each electric field, determine that electric cleaner dust sinks
The time of fall.
Electric cleaner unload grey cycle t and unloading of each electric field met with ShiShimonoseki between grey time and dust settling time
System:
T=t0+t1+t2+…+tn(7)
Unload grey time t by unload each electric field determined by grey cycle t and step 408 determined by step 407z, knot
Close formula 7, determine electric cleaner dust settling time t0.
In the above-described embodiments, step 401 obtains total in Preset Time of electric cleaner and preferably adopts except dust quantity
Following method and step, as shown in Figure 9:
Step 501: when detect electric cleaner enter hole capital after selling all securities unload grey state when, current time is set to closed belt scale meter
Measure this always except the start time of dust quantity；
Step 502: after the first default production time, unload ash when described sintering electric cleaner entrance hole capital after selling all securities is detected again
During state, current time is set to the finish time that closed belt scale measures this and always removes dust quantity；
Step 503: calculate from described total start time except dust quantity to the described finish time always removing dust quantity, described
The total of sintering electric cleaner removes dust quantity.
In the present embodiment, obtaining electric cleaner before in Preset Time always except dust quantity, first having to electricity is detected
All electric field ash-storing bin amount of ram dirt ashes of cleaner unit.Its method is:
Whether each electric field unloading valve of detection electric cleaner enters hole capital after selling all securities and unloads grey state, when each electric field unloading valve successively
All enter hole capital after selling all securities to unload during grey state it is determined that this electric cleaner enters hole capital after selling all securities unloads grey state.
In practical application, due to the energy power restriction of ash-transmission system scrapper conveyor 05 in electric cleaner shown in Fig. 8, only allow one
Unloading valve unloads ash at full capacity, if two unloading valves 022 unload ash it is possible to scrapper conveyor 05 overladen fault occurs simultaneously,
So unloading it is necessary to first f1 unloads ash under grey pattern in hole capital after selling all securities, corresponded to after dedusting ash emptying in electric field ash-storing bin 021 after f1, f1
Continue to run with, now because 1 electric field ash-storing bin hole capital after selling all securities, with falling with walking, therefore now the actual of f1 unloading valve unloads ash stream to dedusting ash
Amount is very low, f2 unloading valve can be allowed to start to unload ash, now f1, f2 unloading valve works simultaneously, and f2 is to unload ash at full capacity, and f1 is sky
Storehouse low discharge unloads ash, is not result in that scrapper conveyor 05 overload occurs, the principle of remaining unloading valve addition work is similar to therewith.
Eventually enter into after hole capital after selling all securities unloads grey pattern, in electric cleaner ash discharging system, all electric field ash-storing bins all no deposit ash, and electricity removes
Dirt device each ash-storing bin unloading valve works simultaneously, and the removed dedusting ash of each electric field all enters total ash-storing bin by dust induction system.
Whether described detection electric field unloading valve enters hole capital after selling all securities is unloaded the method for grey state and specifically can adopt with the following method:
The changes in flow rate of detection closed belt scale 10, the flow value detecting is unloaded grey flow value and is compared with specified,
When described flow value be less than described specified unload grey flow value when, judge that described point of dust removing units enter a hole capital after selling all securities and unload grey state.
In real system, the specified of the flow substantially unloading valve of closed belt scale 10 unloads grey flow l1；When the storage of hc1 electric field
When in ash silo, all dust all empty, unloading valve falls into the dust of ash-storing bin when discharging electric cleaner work, now seal skin
The flow value pl1 of belt scale 10 is the dust settling flow value cl1 of hc1 electric field ash-storing bin.
The specified of the dust settling flow cl1 and unloading valve f1 of hc1 electric field ash-storing bin is unloaded grey flow l1 and there is following mathematics
Relation: l1>m1×cl1.Wherein, l1 unloads grey flow, units/kg/s for the specified of unloading valve；Cl1 is the powder of hc1 electric field ash-storing bin
Dirt settles flow, units/kg/s；M1 is proportionality coefficient, and Typical ranges are 3-10.
In the present embodiment, detect whether a certain electric field unloading valve enters hole capital after selling all securities and unload the method for grey state specifically can adopt
The flow value pl1 of detection closed belt scale 10, judges the size of its value pl1 and l1/m1 value, when pl1 is less than the value of l1/m1,
Judge that this electric field unloading valve enters hole capital after selling all securities and unloads grey state.
It is pointed out that it is realized using the method installing closed belt scale 10 after total scrapper conveyor in the present embodiment
Weigh purpose, loading component can also be installed in total ash-storing bin equipotential in actual applications.Additionally, whether detecting electric cleaner
The method that entrance hole capital after selling all securities unloads grey state is also not limited to the mode described in the present embodiment, also can be using otherwise, and this is not
The realization of the impact present invention.
The method that grey sequential is unloaded in the determination that the embodiment of the present invention is provided, is unloading ash week according to the first electric field in electric cleaner
Sedimentation total amount in phase is less than the dischargeable capacity of the first electric field and each electric field unloading the unloading ash capacity in the grey cycle and its dust
Settling amount meets the relation of dynamic equilibrium, by obtaining the dust settling speed of each electric field in electric cleaner, unloads ash in conjunction with it
Speed, determine electric cleaner unload grey cycle and each electric field unload the grey time.It can be seen that, present invention achieves automatic adapt to produce
With the change of equipment, so that electric cleaner is obtained and accurately unload grey sequential, it is to avoid be due to unloading grey sequential unreasonable in prior art
And the problem leading to stuff level switch frequent operation, being easily damaged, thus reduce electric cleaner fault rate, reduce electric cleaner
Leak out, reduce the purpose that electric cleaner stuff level switch damages, saved production cost.
Present invention also offers the device of grey sequential is unloaded in a kind of determination, as shown in Figure 10, this device includes:
First acquisition unit 100, for obtaining the dust settling speed of each point of dust removing units in sintering electric cleaner；
First computing unit 200, for according to first point of dust removing units unload the sedimentation total amount in the grey cycle be less than institute
State the relation of the dischargeable capacity of first point of dust removing units, by the first powder of first point of dust removing units in described each point of dust removing units
The dirt rate of settling and the dischargeable capacity of described first point of dust removing units, determine unloading the grey cycle of described sintering electric cleaner, institute
Stating first point of dust removing units is dust settling speed unit the fastest in described sintering electric cleaner, described first point of dust removing units
Dischargeable capacity be volumetric values between the high and low stuff level switch of described first point of dust removing units；
Second computing unit 300, for according to described each point of dust removing units to unload the unloading ash capacity in the grey cycle each with described
The relation of the dust settling amount of point dust removing units, by described unload the grey cycle, the dust settling speed of each point of dust removing units and
Described sintering electric cleaner unload grey speed, determine each point of dust removing units unloads the grey time.
Wherein, described first acquisition unit 100 can specifically include:
Second acquisition unit 101, always removes dust quantity for obtaining described sintering electric cleaner in Preset Time；
3rd acquiring unit 102, for obtaining each point of dust removing units and first point of dedusting list in described sintering electric cleaner
Unit is except the relative ratio of dust quantity；
3rd computing unit 103, for removing the relative of dust quantity according to described each point of dust removing units with first point of dust removing units
Ratio, determines the dedusting coefficient of described first point of dust removing units, and described dedusting coefficient is that described first point of dust removing units remove dust quantity
With the ratio always removing dust quantity；
4th computing unit 104, for by the described dedusting coefficient always removing dust quantity and described first point of dust removing units,
Determine that first point of dust removing units in Preset Time first remove dust quantity；
5th computing unit 105, for removing dust quantity and Preset Time by described first, determines described first point of dedusting
First dust settling speed of unit；
6th computing unit 106, for removing the relative of dust quantity by described each point of dust removing units with first point of dust removing units
Ratio and described first dust settling speed, determine the dust settling speed of described each point of dust removing units.
As shown in figure 12, as above second acquisition unit 101 can further include:
First detector unit 1011, for when detect described sintering electric cleaner enter hole capital after selling all securities unload grey state when, ought
The front moment is set to measure this total start time removing dust quantity of described sintering electric cleaner；
Second detector unit 1012, for after the first default production time, when detecting described sintering electric precipitation again
Device enters hole capital after selling all securities when unloading grey state, by current time be set to measure described sintering electric cleaner this always remove dust quantity at the end of
Carve；
Weigh summing elements 1013, for calculating from the described start time always removing dust quantity to the described end always removing dust quantity
Between moment, described the total of sintering electric cleaner removes dust quantity.
Alternatively, described first detector unit and described second detector unit are specifically for detection described sintering electricity removes
The flow value of the weighing unit in dirt device, described flow value and the specified of described point of dust removing units are unloaded grey flow and preset ratio
The ratio of coefficient is compared, and when described flow value is less than the described specified ratio unloading grey flow and preset ratio coefficient, and holds
When the continuous time is more than preset durations, judge that described point of dust removing units enter hole capital after selling all securities and unload grey state.
Alternatively, described first detector unit and described second detector unit detect in described sintering electric cleaner successively
Each point of dust removing units whether enter hole capital after selling all securities and unload grey state, when each point of dust removing units all enter hole capital after selling all securities and unload grey state, then
Determine that described sintering electric cleaner enters hole capital after selling all securities and unloads grey state.
The device of grey sequential is unloaded in the determination that the present embodiment is provided, according to first point of dust removing units unload heavy in the grey cycle
Fall total amount be less than the dischargeable capacity of first point of dust removing units and each point of dust removing units the unloading ash capacity unloading in the grey cycle and its
Dust settling amount meets the relation of dynamic equilibrium, by obtaining the dust settling speed of each point of dust removing units in sintering electric cleaner
Rate, in conjunction with described sintering electric cleaner unload grey speed, determine described sintering electric cleaner unload grey cycle and each point of dedusting
Unit unload the grey time.It can be seen that, the present invention can unload the grey cycle according to the actual dust settling speed determination of sintering electric cleaner
And each point of dust removing units unload the grey time, make sintering electric cleaner obtain with practical condition more adaptation unload grey sequential,
Thus avoid in prior art due to unload that grey sequential is unreasonable and the problem that leads to stuff level switch frequent operation, be easily damaged.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment same or similar partly mutually referring to.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple modifications to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase one
The scope the widest causing.
Claims (11)
1. a kind of determination unloads the method for grey sequential it is characterised in that including:
Obtain the dust settling speed of each point of dust removing units in sintering electric cleaner；
By the first dust settling speed and described first point of dedusting of first point of dust removing units in described each point of dust removing units
The dischargeable capacity of unit, according to first point of dust removing units unload the sedimentation total amount in the grey cycle be less than described first point of dedusting list
The relation of the dischargeable capacity of unit, determines unloading the grey cycle of described sintering electric cleaner, and described first point of dust removing units are described burning
Dust settling speed unit the fastest in knot electric cleaner, the dischargeable capacity of described first point of dust removing units is between described first
Divide the volumetric values between the high and low stuff level switch of dust removing units；
By described unload grey cycle, the dust settling speed of each point of dust removing units and described sintering electric cleaner unload ash speed
Rate, according to described each point of dust removing units in the pass unloading the unloading ash capacity in the grey cycle and the dust settling amount of described each point of dust removing units
System, determine each point of dust removing units unloads the grey time.
2. determination as claimed in claim 1 unloads the method for grey sequential it is characterised in that described acquisition sinters in electric cleaner
The dust settling speed of each point of dust removing units includes:
Obtain described sintering electric cleaner and always remove dust quantity in Preset Time；
In acquisition described sintering electric cleaner, each point of dust removing units and first point of dust removing units are except the relative ratio of dust quantity；
According to described each point of dust removing units and first point of dust removing units except the relative ratio of dust quantity, determine described first point of dedusting list
The dedusting coefficient of unit, described dedusting coefficient is that described first point of dust removing units remove dust quantity and always remove the ratio of dust quantity；
By the described dedusting coefficient always removing dust quantity and described first point of dust removing units, determine first point of dust removing units default
In time first removes dust quantity；
Remove dust quantity and Preset Time by described first, determine the first dust settling speed of described first point of dust removing units；
Remove the relative ratio of dust quantity and described first dust settling by described each point of dust removing units and first point of dust removing units
Speed, determines the dust settling speed of described each point of dust removing units.
3. determination as claimed in claim 2 unloads the method for grey sequential it is characterised in that described acquisition sintering electric cleaner is pre-
If total in the time period includes except dust quantity:
When described sintering electric cleaner is detected and entering hole capital after selling all securities and unload grey state, current time is set to measure described sintering electricity and removes
This total start time removing dust quantity of dirt device；
After the first default production time, when described sintering electric cleaner is detected again and entering hole capital after selling all securities and unload grey state, ought
The front moment is set to measure this total finish time removing dust quantity of described sintering electric cleaner；
Calculate from described total start time except dust quantity to the described finish time always removing dust quantity, described sintering electric cleaner
Always remove dust quantity.
4. determination as claimed in claim 3 unloads the method for grey sequential it is characterised in that described detection described sintering electric cleaner
Entrance hole capital after selling all securities unloads grey state and includes:
Detect whether each point of dust removing units in described sintering electric cleaner enter hole capital after selling all securities and unload grey state, when each point removes successively
Dirt unit all enters hole capital after selling all securities and unloads during grey state it is determined that described sintering electric cleaner enters hole capital after selling all securities unloads grey state.
5. determination as claimed in claim 4 unloads the method for grey sequential it is characterised in that described detection described sintering electric cleaner
In point dust removing units enter a hole capital after selling all securities and unload grey state and include:
The flow value of the weighing unit in detection described sintering electric cleaner, by the volume of described flow value and described point of dust removing units
Surely the ratio unloading grey flow with preset ratio coefficient is compared, when described flow value be less than described specified unload grey flow with default
The ratio of proportionality coefficient, and when the persistent period is more than preset durations, judge that described point of dust removing units enter hole capital after selling all securities and unload ash shape
State.
6. determination as claimed in claim 1 unloads the method for grey sequential it is characterised in that the method that grey sequential is unloaded in described determination exists
It is updated in predetermined period.
7. a kind of determination unloads the device of grey sequential it is characterised in that including:
First acquisition unit, for obtaining the dust settling speed of each point of dust removing units in sintering electric cleaner；
First computing unit, for by the first dust settling speed of first point of dust removing units in described each point of dust removing units with
And the dischargeable capacity of described first point of dust removing units, it is less than unloading the sedimentation total amount in the grey cycle according to first point of dust removing units
The relation of the dischargeable capacity of described first point of dust removing units, determines described sintering the unloading the grey cycle of electric cleaner, described first point
Dust removing units are dust settling speed unit the fastest in described sintering electric cleaner, effective appearance of described first point of dust removing units
Amassing is volumetric values between the high and low stuff level switch of described first point of dust removing units；
Second computing unit, for unloading grey cycle, the dust settling speed of each point of dust removing units and described sintering by described
Electric cleaner unload grey speed, according to described each point of dust removing units unloading the unloading ash capacity in the grey cycle and described each point of dust removing units
Dust settling amount relation, determine each point of dust removing units unloads the grey time.
8. determination as claimed in claim 7 unloads the device of grey sequential it is characterised in that described first acquisition unit includes:
Second acquisition unit, always removes dust quantity for obtaining described sintering electric cleaner in Preset Time；
3rd acquiring unit, removes dust quantity for obtaining each point of dust removing units and first point of dust removing units in described sintering electric cleaner
Relative ratio；
3rd computing unit, for removing the relative ratio of dust quantity according to described each point of dust removing units and first point of dust removing units, really
The dedusting coefficient of fixed described first point of dust removing units, described dedusting coefficient is that described first point of dust removing units remove dust quantity and total dedusting
The ratio of amount；
4th computing unit, for by the described dedusting coefficient always removing dust quantity and described first point of dust removing units, determining the
One point of dust removing units first remove dust quantity in Preset Time；
5th computing unit, for removing dust quantity and Preset Time by described first, determines described first point of dust removing units
First dust settling speed；
6th computing unit, for removed by described each point of dust removing units and first point of dust removing units dust quantity relative ratio and
Described first dust settling speed, determines the dust settling speed of described each point of dust removing units.
9. determination as claimed in claim 8 unloads the device of grey sequential it is characterised in that described second acquisition unit includes:
First detector unit, for when detect described sintering electric cleaner enter hole capital after selling all securities unload grey state when, current time is set
For measuring this total start time removing dust quantity of described sintering electric cleaner；
Second detector unit, for, after the first default production time, entering sky when described sintering electric cleaner is detected again
When grey state is unloaded in storehouse, current time is set to measure this total finish time removing dust quantity of described sintering electric cleaner；
Weigh summing elements, for calculate from the described start time always removing dust quantity to the described finish time always removing dust quantity it
Between, described the total of sintering electric cleaner removes dust quantity.
10. determination as claimed in claim 9 unloads the device of grey sequential it is characterised in that described first detector unit and institute
State the second detector unit to be used for detecting that described sintering electric cleaner entrance hole capital after selling all securities unloads grey state and includes:
Described first detector unit and described second detector unit are specifically for detecting successively in described sintering electric cleaner
Whether each point of dust removing units enter hole capital after selling all securities is unloaded grey state, when each point of dust removing units all enter hole capital after selling all securities and unload grey state, then really
Fixed described sintering electric cleaner enters hole capital after selling all securities and unloads grey state.
11. determinations as claimed in claim 10 unload the device of grey sequential it is characterised in that described first detector unit and institute
State the second detector unit and unload grey state for detecting whether each point of dust removing units in described sintering electric cleaner enter hole capital after selling all securities
Including:
Described first detector unit and described second detector unit are specifically for weighing in detection described sintering electric cleaner
The flow value of unit, specified by described flow value and described point of dust removing units is unloaded grey flow and is entered with the ratio of preset ratio coefficient
Row compares, and when described flow value is less than the described specified ratio unloading grey flow and preset ratio coefficient, and the persistent period is more than in advance
If during the persistent period, judge that described point of dust removing units enter hole capital after selling all securities and unload grey state.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003194324A (en) * | 2001-12-26 | 2003-07-09 | Kaihatsu Denki Kk | Stream type device and method for discharging clinker ash |
| JP2007211033A (en) * | 2005-10-21 | 2007-08-23 | Chugoku Electric Power Co Inc:The | Trace component-fixing agent and method for fixing trace component in combustion ash |
| CN101708406A (en) * | 2009-12-30 | 2010-05-19 | 中冶南方工程技术有限公司 | Group control method of blast furnace gas cloth bag dust catcher system for pipeline dust conveying |
| CN102363090A (en) * | 2011-09-16 | 2012-02-29 | 中冶南方工程技术有限公司 | Automatic control method for small-sized bag type dust remover |
| CN202309583U (en) * | 2011-10-27 | 2012-07-04 | 于波涛 | Automatic ash discharging control device for dust collector |
| CN103691555A (en) * | 2013-12-26 | 2014-04-02 | 中冶长天国际工程有限责任公司 | Ash-discharging control method and system for multi-electric field dust remover of sintering system |
| CN103691553A (en) * | 2013-12-26 | 2014-04-02 | 中冶长天国际工程有限责任公司 | Method and system for acquiring ash-discharging time sequence of multi-electric field dust remover of sintering system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7452403B2 (en) * | 2005-12-29 | 2008-11-18 | General Electric Company | System and method for applying partial discharge analysis for electrostatic precipitator |
-
2014
- 2014-12-15 CN CN201410776941.4A patent/CN104437877B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003194324A (en) * | 2001-12-26 | 2003-07-09 | Kaihatsu Denki Kk | Stream type device and method for discharging clinker ash |
| JP2007211033A (en) * | 2005-10-21 | 2007-08-23 | Chugoku Electric Power Co Inc:The | Trace component-fixing agent and method for fixing trace component in combustion ash |
| CN101708406A (en) * | 2009-12-30 | 2010-05-19 | 中冶南方工程技术有限公司 | Group control method of blast furnace gas cloth bag dust catcher system for pipeline dust conveying |
| CN102363090A (en) * | 2011-09-16 | 2012-02-29 | 中冶南方工程技术有限公司 | Automatic control method for small-sized bag type dust remover |
| CN202309583U (en) * | 2011-10-27 | 2012-07-04 | 于波涛 | Automatic ash discharging control device for dust collector |
| CN103691555A (en) * | 2013-12-26 | 2014-04-02 | 中冶长天国际工程有限责任公司 | Ash-discharging control method and system for multi-electric field dust remover of sintering system |
| CN103691553A (en) * | 2013-12-26 | 2014-04-02 | 中冶长天国际工程有限责任公司 | Method and system for acquiring ash-discharging time sequence of multi-electric field dust remover of sintering system |
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