CN102756926B - Material level balancing controlling method and system - Google Patents
Material level balancing controlling method and system Download PDFInfo
- Publication number
- CN102756926B CN102756926B CN201210262974.8A CN201210262974A CN102756926B CN 102756926 B CN102756926 B CN 102756926B CN 201210262974 A CN201210262974 A CN 201210262974A CN 102756926 B CN102756926 B CN 102756926B
- Authority
- CN
- China
- Prior art keywords
- feeder
- belt feeder
- belt
- level
- described multiple
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000463 material Substances 0.000 title claims abstract description 125
- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000007599 discharging Methods 0.000 claims description 17
- 230000003213 activating effect Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 abstract description 13
- 239000003245 coal Substances 0.000 description 18
- 238000005259 measurement Methods 0.000 description 6
- 238000004088 simulation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses a silo material level balancing controlling method and a system. The method includes opening one belt conveyor of a plurality of belt conveyors and all or parts of feeding machines which correspond to the belt conveyor; using a plurality of material level meters to detect material levels in a silo; and closing the opened belt conveyor and the opened feeding machines which correspond to the belt conveyor according to the material levels detected by the plurality of material level meters or when operating time of the belt conveyor exceeds first scheduled time, and opening another belt conveyor of the plurality of belt conveyors and all or parts of feeding machines which correspond to the another one belt conveyor, wherein the another one belt conveyor is different from the belt conveyor which is being used. By means of the technical scheme, the material level meters are used for detecting the material levels in the silo, and according to the detected material levels, whether the belt conveyor is required for switching is determined, so that the material levels can be timely adjusted when the material levels in the silo are unbalanced, and safety and stability of a whole unloading process are guaranteed when operation is not influenced.
Description
Technical field
The present invention relates to material level balance control system and method, particularly relate to a kind of material level balance control system and method for large-scale coal storage silo.
Background technology
Harbour is the aortic hinge of communications and transportation, and in order to realize securely and effectively shipping functions of pivoting at harbour, the storage of specialized, automation, transport and technics of shipment are all absolutely necessary.Store the requirement of the aspects such as the efficiency of transport according to the characteristic of material, the scale of shipping and material, have employed various materials memory scheduling scheme in current port traffic and shipping is coordinated.Such as, for the mode that the material such as grain, cement many employings silo stores, and to modes adopting open storage to store such as coal ores more.
For fortune coal harbour mouth, open storage storage can cause very large pollution to environment and the material stacked easily by the impact of weather, and adopting general closed stockyard or storehouse to store, coal ton-kilometerage volume can be very restricted, and the efficiency of whole storage and transport is not high.Based on above reason, adopting cylindrical silo to carry out large-scale coal storage at harbour will be more satisfactory selection.
Silo coal storage adopts to some extent in power plant and colliery, but colliery and power plant's coal storage time is short, storage content is little, technological process is single, not high to efficiency requirements, categories of coal is single and do not relate to the mixture of Coal rank, and the high efficiency exactly that harbour coal storage is paid close attention to most, multi items, mixture coal, high-throughput and longer time of storing up, therefore, to realize the scheme of the extensive coal storage of silo at harbour, suitable transformation and improvement must be carried out to existing coal storage silo in structure, function and using method.
Especially; for the large silo used required for Mass storage; require that the level cross-sectionn of silo is very large; like this; when leaking coal at the bottom of storehouse, often there will be the material level energy imbalance of entirety or local in silo, this cannot leak on belt feeder via the feeder at the bottom of storehouse by causing the coal of some position in silo timely; cause the long-time accumulation of this part coal, can not substitute by new coal.The long-term accumulation of coal very easily causes nature, even may set off an explosion, very dangerous, therefore needs to carry out balance to the material level in silo timely and controls.
Summary of the invention
Controlling to better carry out material level balance to silo, the invention provides a kind of material level balance control method and system.
The invention provides a kind of silo material-level balance control method, wherein be provided with the multiple feeders for discharging bottom this silo, the below of this silo is also provided with parallel multiple belt feeders, wherein each belt feeder corresponds respectively at least one feeder in described multiple feeder, and the method comprises: open the belt feeder in described multiple belt feeder and all or part of feeder corresponding to this belt feeder; Utilize multiple level-sensing device to detect the material level in described silo; Material level detected by described multiple level-sensing device or when described belt feeder time of run is more than first schedule time, the belt feeder that closedown is opened and the feeder corresponding to this belt feeder, and open another belt feeder different from the belt feeder used in described multiple belt feeder and all or part of feeder corresponding to this another belt feeder.
Present invention also offers a kind of cylindrical bin material position balance control system, wherein be provided with the multiple feeders for discharging bottom this silo, the below of this silo is also provided with parallel multiple belt feeders, wherein each belt feeder corresponds respectively at least one feeder in described multiple feeder, and this system comprises: the multiple level-sensing devices being used for detecting the material level in described silo; The control unit be electrically connected with described multiple level-sensing device, described multiple feeder and described multiple belt feeder respectively, this control unit is used for: open the belt feeder in described multiple belt feeder and all or part of feeder corresponding to this belt feeder; Receive from the material level detected by described multiple level-sensing device; Material level detected by described multiple level-sensing device or when described belt feeder time of run is more than first schedule time, the belt feeder that closedown is opened and the feeder corresponding to this belt feeder, and open another belt feeder different from the belt feeder used in described multiple belt feeder and all or part of feeder corresponding to this another belt feeder.
Pass through technique scheme, use level-sensing device detects the material level in silo, and determine whether to switch belt feeder by detected material level, like this, can the material level in silo there is unbalanced situation under timely material level is adjusted, while not affecting operation, ensure that the safety and stability of whole discharge process.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification sheets, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 shows a kind of exemplary silo schematic diagram;
Fig. 2 shows the silo material-level balance control method according to one embodiment of the present invention;
Fig. 3 shows the silo material-level balance control method according to another embodiment of the invention;
Fig. 4 shows the silo material-level balance control method according to another embodiment of the present invention;
Fig. 5 shows the cylindrical bin material position balance control system schematic diagram according to one embodiment of the present invention;
Fig. 6 shows the cylindrical bin material position balance control system schematic diagram according to another embodiment of the invention; And
Fig. 7 shows the cylindrical bin material position balance control system schematic diagram according to another embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In silo structure, especially in large silo structure, multiple feeder for discharging can be set at the bottom of storehouse, to improve maximum unloading performance, and contribute to realizing material level balance.Wherein, can according to quantity and the arrangement form of feeder at the bottom of storehouse because being usually set to material machine such as restriction of the size of size and shape, feeder at the bottom of storehouse, unloading performance demand and discharge rate.
For the silo structure with feeder at the bottom of multiple storehouse, it is relative to the material level equilibrium problem only having the small-sized silo of a feeder better can solve silo, but consider the factors such as the shape of the material of storage, quality, size, various situation (such as because feeder degree of opening deficiency results in blockage) may be there is when discharging, and not predictable impact is produced on discharge process, and probably can cause material overbalance.Based on this, the present invention proposes the method and system further silo at the bottom of storehouse with multiple feeder being carried out to the control of material level balance.
A kind of exemplary silo has been shown in Fig. 1.Wherein this silo 110 has multiple feeder 130 at the bottom of storehouse, and the material in silo 110 can be poured on belt feeder 150 by feeder 130, and is transported to assigned address by belt feeder 150.In the present invention, in order to realize carrying out detection and control to the material level in silo 110, also may need to arrange some accessory devices, these devices can as a part for material balance control system proposed by the invention, such as level-sensing device 120 and belt conveyer scale 140 etc., hereafter will describe in detail.
Fig. 2 shows the silo material-level balance control method according to one embodiment of the present invention.
As shown in Figure 2, in step 210, utilize multiple level-sensing device to detect the material level in described silo.
In a step 220, the material level detected by described multiple level-sensing device adjusts the load of at least one in described multiple feeder.
In this step, can assert that the function (such as aviation value) of the material level value of a specific location relevant to feeder or the material level value of multiple specific location can determine the load of this feeder, therefore, when the value of the function of material level value or material level value that this one or more specific location detected is bigger than normal (such as, compared with the aviation value of the material level value of level-sensing devices all in silo) time, then should reduce the load of this feeder, otherwise, then the load of this feeder should be increased.
In this step, first can determine in described silo simulation material level curved surface by the material level detected by described multiple level-sensing device, the material level value of the ad-hoc location in the silo namely detected by multiple level-sensing device simulates a curved surface, the ideal form of this curved surface should be consistent with the material surface configuration in silo, is therefore called simulation material level curved surface.In such silo, the material level value of any position can be obtained by this simulation material level curved surface, and can adjust further by the load of material level value at least one in described multiple feeder obtained.
Level-sensing device can setting as much as possible on a large scale, more preferably simulates material level curved surface to obtain.Also preferably first level-sensing device can be set in key point place (midpoint etc. directly over such as feeder, between two feeders), like this can be cost-saving when ensureing certain precision.
In a kind of embodiment of replacement, only level-sensing device can be set directly over feeder and make described multiple level-sensing device and described multiple feeder one_to_one corresponding.So, the load of this feeder can be adjusted according to the level-sensing device directly over a feeder, when the material level value of this level-sensing device is bigger than normal (such as compared with the aviation value of the material level value of level-sensing devices all in silo), then should reduce the load of this feeder, otherwise, then the load of this feeder should be increased.
Preferably, described feeder is activating feeder.
Corresponding to the method in Fig. 2, in Figure 5, present invention also offers the cylindrical bin material position balance control system according to one embodiment of the present invention, wherein this silo there is in bottom multiple feeder 130(concrete structure for discharging can with reference to figure 1).This control system comprises: the multiple level-sensing devices 120 being used for detecting the material level in described silo; The feeder control unit 510 be electrically connected with described multiple level-sensing device 120 and described multiple feeder 130 respectively.Wherein this feeder control unit 510 is for receiving from the material level detected by described multiple level-sensing device 120, and adjusts the load of at least one feeder in described multiple feeder 130 according to detected material level.
Preferably, the material level of described feeder control unit detected by described multiple level-sensing device determines the simulation material level curved surface in described silo, and adjusts according to the load of described simulation material level curved surface at least one in described multiple feeder.
Alternatively, described multiple level-sensing device and described multiple feeder one_to_one corresponding, and be placed in respectively directly over corresponding feeder.The material level of described feeder control unit at least in part detected by each level-sensing device in described multiple level-sensing device adjusts the load of the feeder corresponding with this level-sensing device respectively, such as, the aviation value in conjunction with the material level value of level-sensing devices all in silo adjusts.
Fig. 3 shows the silo material-level balance control method according to another embodiment of the invention, wherein be provided with the multiple feeders for discharging bottom this silo, the below of this silo is also provided with parallel multiple belt feeders, and wherein each belt feeder corresponds respectively at least one feeder in described multiple feeder.
As shown in Figure 3, in the step 310, the belt feeder in described multiple belt feeder and all or part of feeder corresponding to this belt feeder is opened.
In step 320, utilize multiple level-sensing device to detect the material level in described silo.
Preferably, described multiple level-sensing device and described multiple feeder one_to_one corresponding, and be placed in directly over corresponding feeder respectively, to detect the material level at corresponding feeder place respectively.
Preferably, described feeder is activating feeder.
In a step 330, material level detected by described multiple level-sensing device or when described belt feeder time of run is more than first schedule time, the belt feeder that closedown is opened and the feeder corresponding to this belt feeder, and open another belt feeder different from the belt feeder used in described multiple belt feeder and all or part of feeder corresponding to this another belt feeder.
Preferably, repeated execution of steps 320 and step 330 in the process, to realize continuous detecting to whole discharge process and control.
In above-mentioned steps 310-330 and repeatedly perform step 320 and 330 process in, if open the whole feeders corresponding to a certain belt feeder, then the material level detected by described multiple level-sensing device adjusts the load of the feeder of current unlatching.This method of adjustment is consistent with the content of the method in Fig. 2, repeats no more herein.
In above-mentioned steps 310-330 and repeatedly perform step 320 and 330 process in, if only open M the feeder (wherein M is more than or equal to 1 and is less than the quantity of the whole feeders corresponding to this belt feeder) corresponding to a certain belt feeder, material level then detected by described multiple level-sensing device or when described belt feeder time of run is more than second schedule time, M the feeder using M the feeder incomplete same with M feeder of current unlatching selected from the whole feeders corresponding to this belt feeder to replace current unlatching carries out discharging, thus avoid because certain feeder cuts out caused material level overbalance for a long time.
Corresponding to the method in Fig. 3, in figure 6, present invention also offers the cylindrical bin material position balance control system according to another embodiment of the invention, wherein be provided with the multiple feeders 130 for discharging bottom this silo, the below of this silo is also provided with parallel multiple belt feeders 150, wherein each belt feeder 150 corresponds respectively at least one feeder in described multiple feeder 130 (concrete structure can see Fig. 1), and this system comprises the multiple level-sensing devices 120 for detecting the material level in described silo; The control unit 610 be electrically connected with described multiple level-sensing device 120, described multiple feeder 130 and described multiple belt feeder 150 respectively.
Wherein, this control unit 610 is for opening the belt feeder in described multiple belt feeder 150 and all or part of feeder corresponding to this belt feeder; Receive from the material level detected by described multiple level-sensing device 120; Material level detected by described multiple level-sensing device 120 or when described belt feeder 150 time of run is more than first schedule time, the belt feeder that closedown is opened and the feeder corresponding to this belt feeder, and open another belt feeder different from the belt feeder used in described multiple belt feeder 150 and all or part of feeder corresponding to this another belt feeder.
Preferably, described control unit is also for when opening the whole feeder corresponding to a belt feeder, and the material level detected by described multiple level-sensing device adjusts the load of the feeder of current unlatching.
Preferably, described control unit is also for when only opening the M corresponding to a belt feeder feeder (M is more than or equal to 1 and is less than the quantity of the whole feeders corresponding to this belt feeder), material level detected by described multiple level-sensing device or when described belt feeder time of run is more than second schedule time, M the feeder using M incomplete same feeder of M feeder that be that select from the whole feeders corresponding to this belt feeder and current unlatching to replace current unlatching carries out discharging.
Preferably, described multiple level-sensing device and described multiple feeder one_to_one corresponding, and be placed in directly over corresponding feeder respectively, to detect the material level at corresponding feeder place respectively.
Preferably, described feeder is activating feeder.
Fig. 4 shows the silo material-level balance control method according to another embodiment of the present invention, wherein be provided with the multiple feeders for discharging bottom this silo, the below of this silo is also provided with parallel multiple belt feeders, wherein each belt feeder corresponds respectively at least one feeder in described multiple feeder, and each belt feeder has at least one belt conveyer scale.
As shown in Figure 4, in step 410, the belt feeder in described multiple belt feeder and all or part of feeder corresponding to this belt feeder is opened.
At step 420 which, the belt conveyer scale on the belt feeder opened is utilized to measure mass flow on this belt feeder.
Preferably, described feeder is activating feeder.
In step 430, according to mass flow result of a measurement or when described belt feeder time of run is more than first schedule time, the belt feeder that closedown is opened and the feeder corresponding to this belt feeder, and open another belt feeder different from the belt feeder used in described multiple belt feeder and all or part of feeder corresponding to this another belt feeder.
Preferably, repeated execution of steps 420 and step 430 in the process, to realize continuous detecting to whole discharge process and control.
In above-mentioned steps 410-430 and repeatedly perform step 420 and 430 process in, if only open M the feeder (wherein M is more than or equal to 1 and is less than the quantity of the whole feeders corresponding to this belt feeder) corresponding to a belt feeder, then when described belt feeder time of run is more than second schedule time, M the feeder using M the feeder incomplete same with M feeder of current unlatching selected from the whole feeders corresponding to this belt feeder to replace current unlatching carries out discharging, to avoid the material level overbalance because certain feeder does not work caused for a long time.
Preferably, in the method described in Fig. 4, also can comprise step 440, in this step, utilize multiple level-sensing device to detect the material level in described silo.
In above-mentioned steps 410-430 and repeatedly perform step 420 and 430 process in, when opening the whole feeder corresponding to a belt feeder, the material level detected by described multiple level-sensing device adjusts the load of the feeder of current unlatching.This method of adjustment is consistent with the content of the method in Fig. 2, repeats no more herein.
Owing to being provided with multiple level-sensing device, in step 420-430, close the feeder corresponding to opened belt feeder and this belt feeder according to mass flow result of a measurement and open on the basis of another belt feeder different from the belt feeder used in described multiple belt feeder and all or part of feeder corresponding to this another belt feeder, can also material level detected by described multiple level-sensing device, perform above-mentioned operation equally.This method of adjustment is consistent with the content of the method in Fig. 3, repeats no more herein.
Preferably, when the material level detected by described multiple level-sensing device and described mass flow result of a measurement all need to carry out above-mentioned same operation, the priority of the material level detected by described multiple level-sensing device is higher.For example, if determine to be switched to the second belt feeder according to the mass flow result of a measurement on the first belt feeder, but the material level simultaneously detected by level-sensing device should switch back the first belt feeder from the second belt feeder, then open the first belt feeder and close the second belt feeder, this is because the priority of the judgement carried out according to detected material level is higher.
Preferably, described multiple level-sensing device and described multiple feeder one_to_one corresponding, and be placed in directly over corresponding feeder respectively, to detect the material level at corresponding feeder place respectively.
Corresponding to the method in Fig. 4, in the figure 7, present invention also offers the cylindrical bin material position balance control system according to another embodiment of the present invention, wherein be provided with the multiple feeders 130 for discharging bottom this silo, the below of this silo is also provided with parallel multiple belt feeders 150, wherein each belt feeder corresponds respectively at least one feeder (concrete structure is see Fig. 1) in described multiple feeder 130, this system comprises multiple belt conveyer scale 140, each belt feeder wherein in described multiple belt feeder 150 is at least provided with a belt conveyer scale, the control unit 710 be electrically connected with described multiple feeder 130, described multiple belt feeder 150 and described multiple belt conveyer scale 140 respectively.
Wherein, this control unit 710 is for opening the belt feeder in described multiple belt feeder 150 and all or part of feeder corresponding to this belt feeder; Receive from the mass flow measured by the belt conveyer scale 140 of opened belt feeder; According to described mass flow or when described belt feeder time of run is more than first schedule time, the belt feeder that closedown is opened and the feeder corresponding to this belt feeder, and open another belt feeder different from the belt feeder used in described multiple belt feeder and all or part of feeder corresponding to this another belt feeder.
Preferably, described control unit is also configured to, when only opening the M corresponding to a belt feeder feeder (wherein M is more than or equal to 1 and is less than the quantity of the whole feeders corresponding to this belt feeder), if described belt feeder time of run is more than second schedule time, then M the feeder using M incomplete same feeder of M feeder that be that select from the whole feeders corresponding to this belt feeder and current unlatching to replace current unlatching carries out discharging.
In above system, described control unit is also for utilizing multiple level-sensing device to detect the material level in described silo.
Preferably, described control unit is also for when opening the whole feeder corresponding to a belt feeder, and the material level detected by described multiple level-sensing device adjusts the load of the feeder of current unlatching.
Preferably, described control unit is being closed the feeder corresponding to opened belt feeder and this belt feeder according to mass flow result of a measurement and is opening on the basis of another belt feeder different from the belt feeder used in described multiple belt feeder and all or part of feeder corresponding to this another belt feeder, can also material level detected by described multiple level-sensing device, perform above-mentioned operation equally.More preferably, when the material level detected by described multiple level-sensing device and described mass flow result of a measurement all need to carry out above-mentioned same operation, the priority of the material level detected by described multiple level-sensing device is higher.
Preferably, described multiple level-sensing device and described multiple feeder one_to_one corresponding, and be placed in directly over corresponding feeder respectively, to detect the material level at corresponding feeder place respectively.
Also can carry out combination in any between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Pass through technique scheme, use level-sensing device detects the material level in silo, and determine whether to switch belt feeder by detected material level, like this, can the material level in silo there is unbalanced situation under timely material level is adjusted, while not affecting operation, ensure that the safety and stability of whole discharge process.
Claims (9)
1. a silo material-level balance control method, wherein be provided with the multiple feeders for discharging bottom this silo, the below of this silo is also provided with parallel multiple belt feeders, wherein each belt feeder corresponds respectively at least one feeder in described multiple feeder, it is characterized in that, the method comprises:
1) belt feeder in described multiple belt feeder and all or part of feeder corresponding to this belt feeder is opened;
2) utilize multiple level-sensing device to detect the material level in described silo;
3) material level detected by described multiple level-sensing device or when described belt feeder time of run is more than first schedule time, the belt feeder that closedown is opened and the feeder corresponding to this belt feeder, and open another belt feeder different from the belt feeder used in described multiple belt feeder and all or part of feeder corresponding to this another belt feeder;
Wherein when opening the whole feeder corresponding to a belt feeder:
Material level detected by described multiple level-sensing device adjusts the load of the feeder of current unlatching.
2. method according to claim 1, wherein, repeated execution of steps 2) to 3).
3. method according to claim 1 and 2, wherein when only opening the M corresponding to a belt feeder feeder, wherein M is more than or equal to 1 and is less than the quantity of the whole feeders corresponding to this belt feeder:
Material level detected by described multiple level-sensing device or when described belt feeder time of run is more than second schedule time, M the feeder using M incomplete same feeder of M feeder that be that select from the whole feeders corresponding to this belt feeder and current unlatching to replace current unlatching carries out discharging.
4. method according to claim 1 and 2, wherein said multiple level-sensing device and described multiple feeder one_to_one corresponding, and be placed in directly over corresponding feeder respectively, to detect the material level at corresponding feeder place respectively.
5. method according to claim 1 and 2, wherein said feeder is activating feeder.
6. a cylindrical bin material position balance control system, wherein be provided with the multiple feeders for discharging bottom this silo, the below of this silo is also provided with parallel multiple belt feeders, wherein each belt feeder corresponds respectively at least one feeder in described multiple feeder, it is characterized in that, this system comprises:
Be used for detecting multiple level-sensing devices of the material level in described silo;
The control unit be electrically connected with described multiple level-sensing device, described multiple feeder and described multiple belt feeder respectively, this control unit is used for:
Open the belt feeder in described multiple belt feeder and all or part of feeder corresponding to this belt feeder;
Receive from the material level detected by described multiple level-sensing device;
Material level detected by described multiple level-sensing device or when described belt feeder time of run is more than first schedule time, the belt feeder that closedown is opened and the feeder corresponding to this belt feeder, and open another belt feeder different from the belt feeder used in described multiple belt feeder and all or part of feeder corresponding to this another belt feeder;
Wherein said control unit is also for when opening the whole feeder corresponding to a belt feeder, and the material level detected by described multiple level-sensing device adjusts the load of the feeder of current unlatching.
7. system according to claim 6, wherein said control unit is also for when only opening the M corresponding to a belt feeder feeder, material level detected by described multiple level-sensing device or when described belt feeder time of run is more than second schedule time, M the feeder using M the feeder incomplete same with M feeder of current unlatching selected from the whole feeders corresponding to this belt feeder to replace current unlatching carries out discharging, and wherein M is more than or equal to 1 and is less than the quantity of the whole feeders corresponding to this belt feeder.
8. system according to claim 6, wherein said multiple level-sensing device and described multiple feeder one_to_one corresponding, and be placed in directly over corresponding feeder respectively, to detect the material level at corresponding feeder place respectively.
9. system according to claim 6, wherein said feeder is activating feeder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210262974.8A CN102756926B (en) | 2012-07-26 | 2012-07-26 | Material level balancing controlling method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210262974.8A CN102756926B (en) | 2012-07-26 | 2012-07-26 | Material level balancing controlling method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102756926A CN102756926A (en) | 2012-10-31 |
| CN102756926B true CN102756926B (en) | 2015-03-04 |
Family
ID=47051629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210262974.8A Active CN102756926B (en) | 2012-07-26 | 2012-07-26 | Material level balancing controlling method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102756926B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106927270A (en) * | 2015-12-30 | 2017-07-07 | 航天信息股份有限公司 | Material puts in storage system |
| CN107755063A (en) * | 2016-08-18 | 2018-03-06 | 中国铁建重工集团有限公司 | A kind of mobile crushing station and its feeding control method and system |
| CN106904418A (en) * | 2017-01-09 | 2017-06-30 | 中交航局安装工程有限公司 | A kind of activating feeder feed control system and control method |
| CN107381097B (en) * | 2017-07-27 | 2019-07-26 | 云南汉木森生物科技有限责任公司 | A kind of the feed bin funnel device and its automatic discharging method of automatic discharging |
| CN107720297B (en) * | 2017-10-20 | 2019-05-31 | 福建龙净脱硫脱硝工程有限公司 | A kind of material position balance system and control method |
| CN109821344A (en) * | 2017-11-23 | 2019-05-31 | 中冶长天国际工程有限责任公司 | Active carbon flue gas purification system, roll feeder discharge flow measurement method |
| CN113353648B (en) * | 2021-08-09 | 2021-11-02 | 北京建工资源循环利用投资有限公司 | Dosing method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1698868A1 (en) * | 2005-03-03 | 2006-09-06 | Cabinplant International A/S | Weighing arrangement |
| CN2825089Y (en) * | 2005-09-30 | 2006-10-11 | 崔凤忠 | A high-accuracy powdered material feeding adding machine |
| CN201077627Y (en) * | 2007-08-15 | 2008-06-25 | 西安蓝鑫建材新技术有限公司 | Large-sized storehouse bottom drawing mechanism |
| CN101434350A (en) * | 2007-11-14 | 2009-05-20 | 贵阳铝镁设计研究院 | Homogenization discharge system apparatus |
| CN201647679U (en) * | 2010-04-09 | 2010-11-24 | 北京金日恒升科技有限公司 | Automatic coal-blending device of large-diameter silo |
| CN201952019U (en) * | 2011-02-17 | 2011-08-31 | 上海大屯能源股份有限公司 | Blanking equipment of raw coal bin |
| CN202670780U (en) * | 2012-07-26 | 2013-01-16 | 中国神华能源股份有限公司 | Material position balance control system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62111828A (en) * | 1985-11-05 | 1987-05-22 | Satake Eng Co Ltd | Residual grain discharging device of grain tank |
| JPH1159866A (en) * | 1997-08-19 | 1999-03-02 | Kobe Steel Ltd | Material supply hopper and its material cut out control method |
-
2012
- 2012-07-26 CN CN201210262974.8A patent/CN102756926B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1698868A1 (en) * | 2005-03-03 | 2006-09-06 | Cabinplant International A/S | Weighing arrangement |
| CN2825089Y (en) * | 2005-09-30 | 2006-10-11 | 崔凤忠 | A high-accuracy powdered material feeding adding machine |
| CN201077627Y (en) * | 2007-08-15 | 2008-06-25 | 西安蓝鑫建材新技术有限公司 | Large-sized storehouse bottom drawing mechanism |
| CN101434350A (en) * | 2007-11-14 | 2009-05-20 | 贵阳铝镁设计研究院 | Homogenization discharge system apparatus |
| CN201647679U (en) * | 2010-04-09 | 2010-11-24 | 北京金日恒升科技有限公司 | Automatic coal-blending device of large-diameter silo |
| CN201952019U (en) * | 2011-02-17 | 2011-08-31 | 上海大屯能源股份有限公司 | Blanking equipment of raw coal bin |
| CN202670780U (en) * | 2012-07-26 | 2013-01-16 | 中国神华能源股份有限公司 | Material position balance control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102756926A (en) | 2012-10-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102756926B (en) | Material level balancing controlling method and system | |
| CN102774629B (en) | Discharge control method and system for silo | |
| CN102756927B (en) | Material level balance control method and system | |
| CN102774666B (en) | Material level balance control method and system | |
| CN202670778U (en) | Silo-based coal blending control system | |
| CN202670777U (en) | Material position balance control system | |
| CN102756925A (en) | Silo-based coal blending control system and method | |
| CN204831491U (en) | Sectional type high accuracy weigher based on carry model | |
| CN204415766U (en) | High Precision Automatic Weighing system | |
| CN104495414B (en) | Mass flow multi-coal rapid storehouse feeding system and method for multiple buffer storehouses | |
| CN108951368B (en) | Automatic batching method and system for asphalt mixing plant and asphalt mixing plant | |
| CN102774630B (en) | Silo shift control system and method | |
| CN202670779U (en) | Material level balance control system | |
| US10919706B2 (en) | Conveyor apparatus and combined weighing apparatus | |
| CN202704469U (en) | Detection system for material level of silo | |
| CN202670780U (en) | Material position balance control system | |
| CN104192530A (en) | Silo unloading monitoring management system and method | |
| CN103640092B (en) | Material supplementing control method, device and system, aggregate bin and mixing station | |
| CN202670686U (en) | Silo discharge control system | |
| CN105480605A (en) | Automatic discharging metering device | |
| CN102745515B (en) | Silo dumping system and silo dumping method | |
| CN203346301U (en) | Fertilizer preparation machine | |
| CN211945415U (en) | Reactant storage and feeding device adopting double-screw weight loss scale | |
| CN205556439U (en) | Control system simply prepares burden | |
| CN103569406A (en) | Quick-frozen dumpling packaging and conveying production line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100011 Shenhua building, 22 West Binhe Road, Dongcheng District, Beijing Patentee after: China Shenhua Energy Co.,Ltd. Country or region after: China Patentee after: SHENHUA HUANGHUA PORT AFFAIRS Corp.,Ltd. Patentee after: Guoneng (Tianjin) Port Co.,Ltd. Patentee after: CHINA COMMUNICATION CONSTRUCTION COMPANY FIRST HARBOUR CONSULTANTS Co.,Ltd. Address before: 100011 Shenhua building, 22 West Binhe Road, Dongcheng District, Beijing Patentee before: China Shenhua Energy Co.,Ltd. Country or region before: China Patentee before: SHENHUA HUANGHUA PORT AFFAIRS Corp.,Ltd. Patentee before: SHENHUA TIANJIN COAL WHARF Ltd. Patentee before: CHINA COMMUNICATION CONSTRUCTION COMPANY FIRST HARBOUR CONSULTANTS Co.,Ltd. |
|
| CP03 | Change of name, title or address |