CN110270503A - A kind of vibrating sieving machine screening end-point control method and device - Google Patents
A kind of vibrating sieving machine screening end-point control method and device Download PDFInfo
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- CN110270503A CN110270503A CN201810213351.9A CN201810213351A CN110270503A CN 110270503 A CN110270503 A CN 110270503A CN 201810213351 A CN201810213351 A CN 201810213351A CN 110270503 A CN110270503 A CN 110270503A
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- sieving machine
- vibrating sieving
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
Abstract
The application discloses a kind of vibrating sieving machine screening end-point control method and device and obtains the screening state of the vibrating sieving machine after vibrating sieving machine starting；According to the screening state of the vibrating sieving machine, judge whether to meet timing condition；If meeting timing condition, start timer；During the timer reaches preset time T, if screening the remaining unchanged of state of the vibrating sieving machine stops the vibrating sieving machine when the timer reaches preset time T.The application can obtain the variation of each grade flow of screening process in real time, the accurate screening terminal for automatically controlling vibrating sieving machine had not only ensured that vibrating sieving machine carried out sufficient grade screening to material, but also can prevent from being sieved, to effectively improve the working efficiency of material grade screening, and reduce the energy consumption of vibrating sieving machine.
Description
Technical field
This application involves granularmetric composition detection technique field more particularly to a kind of vibrating sieving machine screening end-point control methods and dress
It sets.
Background technique
In sintering production process, raw materials for sintering will be by mixing stirring and pelletization, the final grain of sinter mixture
Degree composition is the key factor for influencing sintering production efficiency and sinter quality.Currently, granularmetric composition detection generallys use sieve
Point-score can make material sift out several grades, n-layer sieve can using a series of different sieves of slot size to material screening
Material is divided into (n+1) kind grade, to obtain the size distribution of sample, the upper and lower limit granularity of each grade generally depends on phase
Answer the screen size of sieve.When evaluating sinter mixture granularity, usually tetra- layers of grade 0.5mm, 1mm, 3mm, 5mm of setting are sieved
Hole, obtained respectively less than 0.5mm, 0.5mm-1mm, 1mm-3mm, 3mm-5mm and greater than five kinds of different grain size groups of 5mm
At, and evaluate according to the content of each granularity section the quality of granulating sinter mixture.
Currently, being mainly sintered fuel granularity composition detection using vibrating sieving machine, by manually setting sieving time, work as sieve
It is arrived between timesharing, then it is assumed that reach screening terminal, stop the work of vibrating sieving machine, sintering fuel screening process terminates.However, different product
Kind, the material of different weight sieve required sieving time every time and be different, and sieving time setting is because each operator's
Experience is different, and time setting is also not consistent, causes sieving time setting inaccurate.If set sieving time is shorter,
Then it is difficult to ensure that material is sufficiently sieved；If sieving time is longer, in the case where material sufficiently sieves, vibrating sieving machine
Screening work also is being carried out, then will lead to screening process, time-consuming, low efficiency, also vibrating sieving machine energy consumption can be made to increase.Even if
Sieving time is determined by screen experiments, complicated for operation and step is various, be unfavorable for sieve terminal automatic control, especially when
When screening materials carrying is wide in variety, workload can be also greatly increased, causes the working efficiency of granularmetric composition detection process low.
Summary of the invention
The application provides a kind of vibrating sieving machine screening end-point control method and device, forms detection to solve to carry out material size
When, due to the ineffective problem of granularmetric composition detection process caused by can not accurately determining screening terminal.
In a first aspect, the application provides a kind of vibrating sieving machine screening end-point control method, comprising:
After vibrating sieving machine starting, the screening state of the vibrating sieving machine is obtained；
According to the screening state of the vibrating sieving machine, judge whether to meet timing condition；
If meeting timing condition, start timer；
During the timer reaches preset time T, if screening the remaining unchanged of state of the vibrating sieving machine,
Then when the timer reaches preset time T, stop the vibrating sieving machine.
Further, the screening state of the vibrating sieving machine is obtained according to the following steps:
Corresponding stream sensor is set on the sieves at different levels of the vibrating sieving machine；
Passing through mass flow S1, S2 ... the Sn, n of the sieves at different levels of vibrating sieving machine by stream sensor detection is vibrating sieving machine
Sieve quantity；
According to mass flow S1, S2 ... Sn of the sieves at different levels of the vibrating sieving machine, the screening state of the vibrating sieving machine is obtained,
The screening state includes sufficiently screening and not sufficiently screening.
Further, judge whether to meet timing condition according to the following steps:
If mass flow S1, S2 ... Sn of the sieves at different levels by vibrating sieving machine are zero, it is determined that the vibration sieve
The screening state of machine is sufficiently screening, meets timing condition；
If at least one numerical value is greater than in mass flow S1, S2 ... Sn of the sieves at different levels by vibrating sieving machine
Zero, it is determined that the screening state of the vibrating sieving machine is not sufficiently screening, is unsatisfactory for timing condition.
Further, the method also includes:
During the timer reaches preset time T, if the material of the sieves at different levels by vibrating sieving machine
In flow S1, S2 ... Sn, at least one numerical value is greater than zero, then the screening state of the vibrating sieving machine changes, and material does not fill
Sub-sieve point, is zeroed out processing for the timer.
Second aspect, the application provide a kind of vibrating sieving machine screening terminal point control device, including vibrating sieving machine, timer and control
Unit processed, described control unit are configured as executing following program steps:
After vibrating sieving machine starting, the screening state of the vibrating sieving machine is obtained；
According to the screening state of the vibrating sieving machine, judge whether to meet timing condition；
If meeting timing condition, start timer；
During the timer reaches preset time T, if screening the remaining unchanged of state of the vibrating sieving machine,
Then when the timer reaches preset time T, stop the vibrating sieving machine.
Further, described device further includes the stream sensor being correspondingly arranged on the sieves at different levels of the vibrating sieving machine；
It is the sieve of vibrating sieving machine that the stream sensor, which is used to detect through mass flow S1, S2 ... the Sn, n of the sieves at different levels of vibrating sieving machine,
Quantity；
Then described control unit is further configured to execute following program steps:
According to mass flow S1, S2 ... Sn of the sieves at different levels of the vibrating sieving machine, the screening state of the vibrating sieving machine is obtained,
The screening state includes sufficiently screening and not sufficiently screening.
Further, described control unit is further configured to execute following program steps:
If mass flow S1, S2 ... Sn of the sieves at different levels by vibrating sieving machine are zero, it is determined that the vibration sieve
The screening state of machine is sufficiently screening, meets timing condition；
If at least one numerical value is greater than in mass flow S1, S2 ... Sn of the sieves at different levels by vibrating sieving machine
Zero, it is determined that the screening state of the vibrating sieving machine is not sufficiently screening, is unsatisfactory for timing condition.
Further, described control unit is further configured to execute following program steps:
During the timer reaches preset time T, if the material of the sieves at different levels by vibrating sieving machine
In flow S1, S2 ... Sn, at least one numerical value is greater than zero, then the screening state of the vibrating sieving machine changes, and material does not fill
Sub-sieve point, is zeroed out processing for the timer.
From the above technical scheme, a kind of vibrating sieving machine screening end-point control method and device provided by the present application, pass through
The discharging situation for monitoring the sieves at different levels of vibrating sieving machine, obtains the screening state of vibrating sieving machine, if the equal nothing of sieves at different levels of vibrating sieving machine
Material passes through, then meets timing condition, starts timer, and combine preset time T, judges whether to reach screening terminal, thus
Realization is automatically stopped screening, it is ensured that while screening process is sufficiently completed, stops vibrating sieving machine in time, to prevent from being sieved, to save
The about energy.As it can be seen that compared to the existing method for setting fixed sieving time, the application can obtain each grain of screening process in real time
The variation of grade flow, the accurate screening terminal for automatically controlling vibrating sieving machine had both ensured that vibrating sieving machine carried out sufficient grade sieve to material
Point, and can prevent from being sieved, to effectively improve the working efficiency of material grade screening, and reduce the energy consumption of vibrating sieving machine.
Detailed description of the invention
Fig. 1 is a kind of flow chart of vibrating sieving machine screening end-point control method shown in the embodiment of the present application one；
Fig. 2 is the flow chart of another vibrating sieving machine screening end-point control method shown in the embodiment of the present application one；
Fig. 3 is a kind of structure chart of vibrating sieving machine screening terminal point control device shown in the embodiment of the present application two；
Fig. 4 is a kind of control structure block diagram of vibrating sieving machine screening terminal point control device shown in the embodiment of the present application two.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with attached drawing, it is right
Technical solution in the embodiment of the present application is clearly and completely described.
As shown in Figure 1, the embodiment of the present application one provides a kind of vibrating sieving machine screening end-point control method, the method includes such as
Lower step:
In step s101, after vibrating sieving machine starting, the screening state of the vibrating sieving machine is obtained.
Screening state described here includes sufficiently screening and sufficiently screening, is going out according to the sieves at different levels of vibrating sieving machine
Situation is expected to determine, for example certain vibrating sieving machine from top to bottom includes 4 layers of sieve, sets gradually grade 5mm, 3mm, 1mm and 0.5mm tetra-
Layer sieve pore, material enter first order sieve from vibrating sieving machine top feed mouth, filter out the material that granularity is greater than 5mm, and granularity is less than
Or be equal to and enter second level sieve, filter out granularity in the material of 3mm-5mm, and so on, material successively passes through sieves at different levels,
To screen out five kinds of different grain sizes composition less than 0.5mm, 0.5mm-1mm, 1mm-3mm, 3mm-5mm and greater than 5mm.?
In the vibrating sieving machine course of work, if 4 layers of sieve pass through without material, then it is assumed that five kinds of granularmetric compositions are screened to be finished, vibration
Screen(ing) machine is sufficiently to sieve state；If at least one sieve is also discharging, then screening process is not in 4 layers of sieve, vibration
Screen(ing) machine is not sieve state sufficiently, and vibrating sieving machine is needed to work on.
Further, in step s101, the screening state of the vibrating sieving machine is obtained according to the following steps:
Corresponding stream sensor is set on the sieves at different levels of the vibrating sieving machine；
Passing through mass flow S1, S2 ... the Sn, n of the sieves at different levels of vibrating sieving machine by stream sensor detection is vibrating sieving machine
Sieve quantity；
According to mass flow S1, S2 ... Sn of the sieves at different levels of the vibrating sieving machine, the screening state of the vibrating sieving machine is obtained,
The screening state includes sufficiently screening and not sufficiently screening.
The stream sensor is used to detect the load of the mass flow namely sieve at different levels by sieves at different levels, material
The preferred photoelectric sensor of flow sensor or laser sensor, consequently facilitating measurement passes through the mass flow of vibrating sieving machine sieves at different levels,
Detection efficiency is improved, can also choose other kinds of sensor according to actual needs, the application is not construed as limiting this.It is burnt in evaluation
When tying mix size, it is assumed that certain vibrating sieving machine has 4 layers of sieve, then every layer of sieve requires that corresponding stream sensor is arranged,
Respectively MS1, MS2, MS3 and MS4, MS1 detection are sieved by mass flow S1, the MS2 detection of first order sieve by the second level
Mass flow S2, the MS3 detection of son pass through the material of fourth stage sieve by mass flow S3, the MS4 detection of third level sieve
Flow S4 carries out comprehensive judgement by the testing result to S1, S2, S3 and S4, to obtain the screening state of vibrating sieving machine.Stream passes
Sensor is mountable on sieve, may also be arranged on the support rod beside sieve.
In step s 102, according to the screening state of the vibrating sieving machine, judge whether to meet timing condition；
Further, judge whether to meet timing condition according to the following steps:
If mass flow S1, S2 ... Sn of the sieves at different levels by vibrating sieving machine are zero, it is determined that the vibration sieve
The screening state of machine is sufficiently screening, meets timing condition；
If at least one numerical value is greater than in mass flow S1, S2 ... Sn of the sieves at different levels by vibrating sieving machine
Zero, it is determined that the screening state of the vibrating sieving machine is not sufficiently screening, is unsatisfactory for timing condition.
Assuming that the testing result of each stream sensor is S1=0, S2=0, S3=0, S4=0 at current time, knot is determined
Fruit is that vibrating sieving machine is in sufficiently screening state, however, in time after current time, it is possible to there are also material pass through it is a certain
Sieve, so that the testing result Si ﹥ 0 of its corresponding stream sensor, i.e. the screening state of vibrating sieving machine is changed, by abundant
Screening variation is inabundant screening state, stops screening machine if at the current time, and material is not sieved sufficiently,
Subsequent size composition testing result is caused error occur, therefore, to guarantee that vibrating sieving machine sufficiently sieves material, while again not
The case where will appear sieving, the application continue step with the following method.
In step s 103, if meeting timing condition, start timer.
In step S104, during the timer reaches preset time T, if the screening shape of the vibrating sieving machine
Remaining unchanged of state stops the vibrating sieving machine then when the timer reaches preset time T.
In mass flow S1, S2 ... Sn by the sieves at different levels of vibrating sieving machine, at least one numerical value is greater than zero, then shakes
The screening state of screen(ing) machine is not sufficiently screening, is unsatisfactory for timing condition, timer does not start；And if only if each by vibrating sieving machine
When mass flow S1, S2 ... Sn of grade sieve are zero, it is believed that vibrating sieving machine is in sufficiently screening state, meets timing condition, this
Shi Qidong timer, judges in preset time T, and whether vibrating sieving machine remains abundant screening state, if vibrating sieving machine is at this
Remain that abundant screening state is constant in the section time, then it is believed that the indeed abundant screening materials carrying of vibrating sieving machine, to avoid being sieved,
It needs to control screening process in time and reaches terminal, stop vibrating sieving machine work, terminate screening.
If preset time T is too short, material may not sieved sufficiently, and if preset time T is too long, it also results in
Sieving, additionally increases energy consumption, therefore, in the present embodiment, preset time T is preferably 5 seconds.
As it can be seen that it is each that the application can obtain in real time screening process compared to the existing method for setting fixed sieving time
The variation of grade flow, the accurate screening terminal for automatically controlling vibrating sieving machine had both ensured that vibrating sieving machine carried out sufficient grade to material
Screening, and can prevent from being sieved, to effectively improve the working efficiency of material grade screening, and reduce the energy consumption of vibrating sieving machine.
As shown in Fig. 2, the present embodiment also provides another vibrating sieving machine screening end-point control method, due to mixed in evaluation sintering
When closing material granularity, tetra- layers of sieve pore of grade 0.5mm, 1mm, 3mm, 5mm are usually set, and therefore, this says for sentencing sieve quantity 4
Bright, the quantity of corresponding stream sensor is also 4, and detection data is respectively S1, S2, S3 and S4.
In step s 201, detection data S1, S2, S3 and S4 of each stream sensor are obtained.This data acquisition
It is real-time, and the detection process of Material Sensor continues to screening terminal, to guarantee the accurate control of screening terminal.
In step S202, judge whether S1, S2, S3 and S4 are zero.If it is judged that be it is yes, then meet timing item
Part executes step S203, conversely, then continuing to execute step S201.
In step S203, timer starts timing.
In step S204, after timer initiation, judge whether at least one is greater than zero by S1, S2, S3 and S4.If sentenced
Disconnected result is yes, execution step S205, conversely, thening follow the steps S206.
In step S205, timer is reset.Since after starting timer, the screening state of vibrating sieving machine changes,
Illustrate that material is not yet sufficiently sieved, then timer be zeroed out processing at this time, timer is made to restart timing, then after
It is continuous to execute step S203 and its subsequent step.In other words, after starting the timer, once the screening state of vibrating sieving machine becomes
Change, it is necessary to reset reclocking, until vibrating sieving machine screening state continue preset time T without variation, just can be in timing
After device reaches preset time T, terminate the screening work of vibrating sieving machine.
In step S206, judge whether timer registration is greater than or equal to preset time T.If it is judged that be it is yes,
Step S207 is executed, conversely, then continuing to execute step S204.
In step S207, stop vibrating sieving machine, screening terminates.
In the present embodiment, step S204 judging result be it is no, i.e., when S1, S2, S3 and S4 are zero, execute step S206,
In period i.e. in starting timer to preset time T, need to continue to judge whether S1, S2, S3 and S4 are zero, if
In the period, S1, S2, S3 and S4 be zero state continue it is constant, then when timer reaches preset time T, execute step
Rapid S207, stops vibrating sieving machine, and screening process is reached home.The present embodiment shows step S204 and step S206 according to successive
Sequence execute, actually control in, step S204 and step S206 parallel form also can be used, as long as guarantee S1, S2, S3 and
S4 is zero, and timer registration is more than or equal to preset time T and meets simultaneously, then when timer reaches preset time T i.e.
For the screening terminal of vibrating sieving machine, to not only guarantee sufficiently to sieve, but also it is avoided that sieving, realizes the exact automatic control of screening terminal
System, improves the working efficiency of material grade screening, and reduces the energy consumption of vibrating sieving machine.
As shown in Figure 3 and Figure 4, the embodiment of the present application two provides a kind of vibrating sieving machine screening terminal point control device, including vibration sieve
Machine 1, timer 3 and control unit 4, described control unit 4 are configured as executing following program steps:
After vibrating sieving machine starting, the screening state of the vibrating sieving machine is obtained；
According to the screening state of the vibrating sieving machine, judge whether to meet timing condition；
If meeting timing condition, start timer；
During the timer reaches preset time T, if screening the remaining unchanged of state of the vibrating sieving machine,
Then when the timer reaches preset time T, stop the vibrating sieving machine.
Further, described device further includes the stream sensing being correspondingly arranged on the sieves at different levels 101 of the vibrating sieving machine 1
Device 2；It is vibration that the stream sensor 2, which is used to detect through mass flow S1, S2 ... the Sn, n of the sieves at different levels 101 of vibrating sieving machine 1,
The sieve quantity of screen(ing) machine；
Then described control unit 4 is further configured to execute following program steps:
According to mass flow S1, S2 ... Sn of the sieves at different levels of the vibrating sieving machine, the screening state of the vibrating sieving machine is obtained,
The screening state includes sufficiently screening and not sufficiently screening.
Further, described control unit 4 is further configured to execute following program steps:
If mass flow S1, S2 ... Sn of the sieves at different levels by vibrating sieving machine are zero, it is determined that the vibration sieve
The screening state of machine is sufficiently screening, meets timing condition；
If at least one numerical value is greater than in mass flow S1, S2 ... Sn of the sieves at different levels by vibrating sieving machine
Zero, it is determined that the screening state of the vibrating sieving machine is not sufficiently screening, is unsatisfactory for timing condition.
Further, described control unit 4 is further configured to execute following program steps:
During the timer reaches preset time T, if the material of the sieves at different levels by vibrating sieving machine
In flow S1, S2 ... Sn, at least one numerical value is greater than zero, then the screening state of the vibrating sieving machine changes, and material does not fill
Sub-sieve point, is zeroed out processing for the timer.
From the above technical scheme, a kind of vibrating sieving machine screening end-point control method and device provided by the present application, pass through
The discharging situation for monitoring the sieves at different levels of vibrating sieving machine, obtains the screening state of vibrating sieving machine, if the equal nothing of sieves at different levels of vibrating sieving machine
Material passes through, then meets timing condition, starts timer, and combine preset time T, judges whether to reach screening terminal, thus
Realization is automatically stopped screening, it is ensured that while screening process is sufficiently completed, stops vibrating sieving machine in time, to prevent from being sieved, to save
The about energy.As it can be seen that compared to the existing method for setting fixed sieving time, the application can obtain each grain of screening process in real time
The variation of grade flow, the accurate screening terminal for automatically controlling vibrating sieving machine had both ensured that vibrating sieving machine carried out sufficient grade sieve to material
Point, and can prevent from being sieved, to effectively improve the working efficiency of material grade screening, and reduce the energy consumption of vibrating sieving machine.
It is described that those skilled in the art can be understood that the technology in the embodiment of the present application can add by software
Vibrating sieving machine sieves related equipment involved in terminal point control device to realize.In the specific implementation, the application also provides one kind
Computer storage medium, wherein the computer storage medium can be stored with program, which may include the application offer when executing
Sintering fuel deep bed sintering method for microwave drying and device each embodiment in some or all of step.The storage medium
It can be magnetic disk, CD, read-only memory (English: read-only memory, abbreviation: ROM) or random access memory
(English: random access memory, referred to as: RAM) etc..
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the application
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the present invention
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the application are by appended
Claim is pointed out.
It should be understood that the application is not limited to the precise structure that has been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.Scope of the present application is only limited by the accompanying claims.
Same and similar part reference mutually between each embodiment in this specification.
Above-described the application embodiment does not constitute the restriction to the application protection scope.
Claims (8)
1. a kind of vibrating sieving machine sieves end-point control method characterized by comprising
After vibrating sieving machine starting, the screening state of the vibrating sieving machine is obtained；
According to the screening state of the vibrating sieving machine, judge whether to meet timing condition；
If meeting timing condition, start timer；
During the timer reaches preset time T, if screening the remaining unchanged of state of the vibrating sieving machine,
When the timer reaches preset time T, stop the vibrating sieving machine.
2. the method according to claim 1, wherein obtaining the screening shape of the vibrating sieving machine according to the following steps
State:
Corresponding stream sensor is set on the sieves at different levels of the vibrating sieving machine；
It is the sieve of vibrating sieving machine by mass flow S1, S2 ... Sn, n that stream sensor detection passes through the sieves at different levels of vibrating sieving machine
Subnumber amount；
According to mass flow S1, S2 ... Sn of the sieves at different levels of the vibrating sieving machine, the screening state of the vibrating sieving machine is obtained, it is described
Screening state includes sufficiently screening and not sufficiently screening.
3. according to the method described in claim 2, it is characterized in that, judging whether to meet timing condition according to the following steps:
If mass flow S1, S2 ... Sn of the sieves at different levels by vibrating sieving machine are zero, it is determined that the vibrating sieving machine
Screening state is sufficiently screening, meets timing condition；
If in mass flow S1, S2 ... Sn of the sieves at different levels by vibrating sieving machine, at least one numerical value is greater than zero, then
The screening state for determining the vibrating sieving machine is not sufficiently screening, is unsatisfactory for timing condition.
4. according to the method in claim 2 or 3, which is characterized in that the method also includes:
During the timer reaches preset time T, if the mass flow of the sieves at different levels by vibrating sieving machine
In S1, S2 ... Sn, at least one numerical value is greater than zero, then the screening state of the vibrating sieving machine changes, and material does not sieve sufficiently
Point, the timer is zeroed out processing.
5. a kind of vibrating sieving machine sieves terminal point control device, including vibrating sieving machine, which is characterized in that described device further include: timer
And control unit, described control unit are configured as executing following program steps:
After vibrating sieving machine starting, the screening state of the vibrating sieving machine is obtained；
According to the screening state of the vibrating sieving machine, judge whether to meet timing condition；
If meeting timing condition, start timer；
During the timer reaches preset time T, if screening the remaining unchanged of state of the vibrating sieving machine,
When the timer reaches preset time T, stop the vibrating sieving machine.
6. device according to claim 5, which is characterized in that described device further includes being correspondingly arranged at the vibrating sieving machine
Stream sensor on sieves at different levels；The stream sensor is used to detect the mass flow of the sieves at different levels by vibrating sieving machine
S1, S2 ... Sn, n are the sieve quantity of vibrating sieving machine；
Then described control unit is further configured to execute following program steps:
According to mass flow S1, S2 ... Sn of the sieves at different levels of the vibrating sieving machine, the screening state of the vibrating sieving machine is obtained, it is described
Screening state includes sufficiently screening and not sufficiently screening.
7. device according to claim 6, which is characterized in that described control unit is further configured to execute following journeys
Sequence step:
If mass flow S1, S2 ... Sn of the sieves at different levels by vibrating sieving machine are zero, it is determined that the vibrating sieving machine
Screening state is sufficiently screening, meets timing condition；
If in mass flow S1, S2 ... Sn of the sieves at different levels by vibrating sieving machine, at least one numerical value is greater than zero, then
The screening state for determining the vibrating sieving machine is not sufficiently screening, is unsatisfactory for timing condition.
8. device according to claim 6 or 7, which is characterized in that described control unit is further configured under execution
State program step:
During the timer reaches preset time T, if the mass flow of the sieves at different levels by vibrating sieving machine
In S1, S2 ... Sn, at least one numerical value is greater than zero, then the screening state of the vibrating sieving machine changes, and material does not sieve sufficiently
Point, the timer is zeroed out processing.
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| CN106540876A (en) * | 2015-09-16 | 2017-03-29 | 枣庄市瑞隆机械制造有限公司 | Intelligent adjustment controls vibrosieve |
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| JPH08318171A (en) * | 1995-05-26 | 1996-12-03 | Iseki & Co Ltd | Roll nip adjuster for husking separator |
| CN1671487A (en) * | 2002-07-31 | 2005-09-21 | 美特索矿物(坦佩雷)有限公司 | Method for controlling a screening machine and a screening machine |
| CN106540876A (en) * | 2015-09-16 | 2017-03-29 | 枣庄市瑞隆机械制造有限公司 | Intelligent adjustment controls vibrosieve |
| CN105736343A (en) * | 2016-02-23 | 2016-07-06 | 沈云明 | Water pump control system and control method for preventing rusting and blocking and realizing small-flow work |
| CN205628528U (en) * | 2016-04-17 | 2016-10-12 | 邹先锋 | High -efficient multistage branch sieve device |
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