CN202670686U - Silo discharge control system - Google Patents
Silo discharge control system Download PDFInfo
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- CN202670686U CN202670686U CN 201220367214 CN201220367214U CN202670686U CN 202670686 U CN202670686 U CN 202670686U CN 201220367214 CN201220367214 CN 201220367214 CN 201220367214 U CN201220367214 U CN 201220367214U CN 202670686 U CN202670686 U CN 202670686U
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- feeder
- belt
- belt feeder
- control unit
- discharging control
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Abstract
The utility model provides a silo discharge control system. According to the system, the bottom of a silo is provided with a plurality of feeders (2) used for discharging; at least one belt conveyor (3) is arranged below the plurality of feeders (2); and the discharge control system comprises a belt weigher (4) arranged at back of each belt conveyor (3), and a discharge control unit (1), wherein the discharge control unit (1) is respectively and electrically connected with the plurality of feeders (2), at least one belt conveyor (3) and the belt weigher (4) arranged at back of each belt conveyor (3). The discharge control unit (1) is used for executing the following steps of: 1) measuring the material flow on the belt conveyor (3) by utilizing the started belt weigher (4) arranged at back of the belt conveyor (3); 2) comparing the value of the measured material flow with a preset value of the belt conveyor; and 3) adjusting the discharging quantity of at least one feeder (2) which corresponds to the belt conveyor (3) according to a comparison result.
Description
Technical field
The utility model relates to the discharging control of material, relates in particular to the discharging control system of the large-scale coal storage silo in a kind of harbour.
Background technology
The harbour is the aortic hinge of communications and transportation, and in order to realize securely and effectively shipping functions of pivoting at the harbour, storage, transportation and technics of shipment specialized, automation all are absolutely necessary.According to the characteristic of material, the scale of shipping and the requirement of the aspects such as efficient that the material storage is transported, adopted various materials memory scheduling scheme to come shipping is coordinated in the current port traffic.Such as, adopt the mode of silo storage for materials such as grain, cement more, and to modes that adopt the open storages storage such as coal ores more.
For fortune coal harbour mouth, open storage storage meeting causes the material of very large pollution and stacking to be subjected to easily the impact of weather on environment, and adopting general sealing stockyard or storehouse storage, the coal ton-kilometerage volume can be very restricted, and the efficient of whole storage and transportation is not high.Based on above reason, adopting cylindrical silo to carry out large-scale coal storage at the harbour will be more satisfactory selection.
The silo coal storage adopts to some extent in power plant and colliery, but the colliery and power plant's coal storage time is short, storage content is little, technological process is single, less demanding to efficient, categories of coal is single and do not relate to being mixed of Coal rank, and the exactly high efficiency that the harbour coal storage is paid close attention to most, many kinds, the coal that is mixed, high-throughput and the long time of storing up, therefore, if will realize at the harbour scheme of the extensive coal storage of silo, must carry out suitable transformation and improvement in structure, function and using method to existing coal storage silo.
The bottom of the large-scale coal storage silo in harbour is provided with a plurality of discharging openings, each discharging opening place correspondence is provided with the feeder for discharging, the below of a plurality of feeders is provided with at least one belt feeder, the coal charge of storage passes through the action of feeder from the discharging opening blanking in the silo, transport to unload to belt feeder, realize thus delivering from godown of coal charge.
In order to cooperate the production scheduling plan of fortune coal harbour mouth, need to control the mass flow that fortune coal belt feeder transports.
The utility model content
The purpose of this utility model provides a kind of discharging control system of silo, should and system processed can realize the control of mass flow that fortune coal belt feeder is transported.
The discharging control system of the silo that provides according to the utility model, the bottom of this silo is provided with a plurality of feeders for discharging, the below of described a plurality of feeders is provided with at least one belt feeder, material in the described silo unloads to described belt feeder by described feeder, and this control system comprises: be arranged on the belt conveyer scale behind each belt feeder; And discharging control unit, this discharging control unit is electrically connected with belt conveyer scale behind described a plurality of feeders, described at least one belt feeder and each belt feeder respectively, and this discharging control unit is used for carrying out following steps: S1) utilize belt conveyer scale behind the belt feeder of opening to measure mass flow on this belt feeder; S2) mass flow and the belt feeder preset value that records compared; And S3) adjusts the load of at least one feeder corresponding to this belt feeder according to comparative result.
The discharging control system of the silo that employing the utility model provides, can the required mass flow that transports be set as the belt feeder preset value according to the production scheduling plan of fortune coal harbour mouth, by adjusting the load of silo bottom feed machine, so that the actual mass flow of belt feeder meets the belt feeder preset value, thereby reach the purpose of controlling mass flow.
Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and consists of the part of specification sheets, is used from explanation the utility model with the following specific embodiment one, but does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the discharging control system of the silo that provides of the utility model.
Description of reference numerals
1 discharging control unit, 2 feeders
3 belt feeders, 4 belt conveyer scales
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated.Should be understood that the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
The bottom of the large-scale coal storage silo in harbour is provided with a plurality of discharging openings, can be provided in each discharging opening place correspondence the feeder 2 of discharging, and arranging of a plurality of feeders 2 can improve maximum unloading performance.Quantity and the arrangement form of feeder 2 at the bottom of the storehouse of feeder 2 can be set according to the factors such as restriction of size, unloading performance demand and the discharge rate of size and shape, feeder 2 at the bottom of the storehouse.At least one belt feeder 3 can be set below a plurality of feeders 2, and the action that the coal charge of storage can pass through feeder 2 in the silo is transported to unload to belt feeder 3 from the discharging opening blanking, realizes thus delivering from godown of coal charge.
The utility model provides a kind of discharging control system of silo, the bottom of this silo is provided with a plurality of feeders 2 for discharging, the below of described a plurality of feeder 2 is provided with at least one belt feeder 3, and the material in the described silo unloads to described belt feeder 3 by described feeder 2.
Fig. 1 is the structural representation of the discharging control system of the silo that provides of the utility model.As shown in Figure 1, this control system comprises: be arranged on the belt conveyer scale 4 behind each belt feeder 3; And discharging control unit 1, this discharging control unit 1 is electrically connected with belt conveyer scale 4 behind described a plurality of feeders 2, described at least one belt feeder 3 and each belt feeder 3 respectively, and this discharging control unit 1 is used for carrying out following steps: the mass flow that S1) utilizes the belt conveyer scale 4 behind the belt feeder 3 of opening to measure on these belt feeders 3; S2) mass flow and the belt feeder preset value that records compared; And S3) adjusts the load of at least one feeder 2 of these belt feeder 3 correspondences according to comparative result.
Can be by measuring mass flow on the belt feeder 3 of opening at the rear belt conveyer scale 4 that arranges of belt feeder 3.Described belt conveyer scale 4 is arranged on the back of belt feeder 3 usually, is positioned over weight of material on the belt feeder 3 and the measurement device of outputting material flow for being used for Real-time Obtaining in this area.
Described discharging control unit 1 can be PLC(Programmable Logic Controller, programmable logic controller (PLC)), the PLC storage inside has the instruction of carrying out various operations, can control various types of execution unit work by the output function instruction.According to the technical solution of the utility model, described discharging control unit 1 is electrically connected with belt conveyer scale 4 behind described a plurality of feeders 2, described at least one belt feeder 3 and each belt feeder 3 respectively, described discharging control unit 1 can be carried out the corresponding step of measuring, compare and control according to predefined control command, to realize the control to feeder 2.PLC is controller commonly used in the automation field, and its concrete structure and principle of work are conventionally known to one of skill in the art.
According to the technical solution of the utility model, pre-stored in the described discharging control unit 1 have a belt feeder preset value, can the required mass flow that transports be set as described belt feeder preset value according to the production scheduling plan of fortune coal harbour mouth.According to the operating order of its storage inside, discharging control unit 1 at first can execution in step S1), the flow number that records by Real-time Collection belt conveyer scale 4 obtains the mass flow on the belt feeder 3.Next execution in step S2), mass flow and the belt feeder preset value that records compared.Discharging control unit 1 is execution in step S3 then), adjust load with feeder 2 corresponding to the belt feeder 3 of opening according to mass flow and the comparative result of belt feeder preset value, realize thus the control to the mass flow of belt feeder 3: when the mass flow that records during less than the belt feeder preset value, the load that discharging control unit 1 can be controlled the feeder 2 of belt feeder 3 correspondences tunes up (percentum of namely adjusting feeder 2 loads and maximum load), and when the mass flow that records during greater than the belt feeder preset value, discharging control unit 1 can be controlled the load of the feeder 2 of belt feeder 3 correspondences is turned down, the load of the feeder 2 of discharging control unit 1 by constantly adjusting belt feeder 3 correspondences, the mass flow that can control all the time belt feeder 3 is consistent with the belt feeder preset value, realizes thus the control to mass flow.
According to the technical solution of the utility model, because 3 pairs of a belt feeder should have a plurality of feeders 2, discharging control unit 1 is when adjusting the load of feeder 2, can be according to the needs of practical operation, only adjust the load of one of them feeder 2, perhaps adjust the load of all a plurality of feeders 2, the utility model does not carry out any restriction to adjustment mode and the sequential scheduling of 1 pair of feeder 2 of discharging control unit.
Described belt feeder preset value can set up on their own in discharging control unit 1 according to the production scheduling plan of transporting coal harbour's mouth, perhaps can set according to the specified peak flow values of belt feeder 3.Thus, the discharging control system that adopts the utility model to provide utilizes discharging control unit 1 to adjust the load of silo bottom feed machine 2, so that the actual mass flow of belt feeder 3 meets the belt feeder preset value, thereby reaches the purpose of controlling mass flow.
In the situation of belt feeder 3 continuous workings, might occur long owing to time of run or the certain hour section in transport the excessive fatigue phenomenon that causes of material total amount, be unfavorable for transporting the high efficiency operation of coal harbour's mouth, and might cause the overwork of belt feeder 3 to damage.Fatigue operation phenomenon for fear of belt feeder 3, under the preferable case, in the discharging control system of the silo that the utility model provides, described discharging control unit 1 also is used for carrying out following steps: S4) calculate the material total amount on the belt feeder 3 of opening in the predetermined amount of time, and this material total amount and belt feeder fatigue data are compared; Or S5) measures the time of run of the belt feeder 3 open, and this time of run and tired time are compared; And S6) according to step S4) or step S5) comparative result, judge whether the belt feeder 3 of opening is in tired running state, and in the situation of judging these belt feeder 3 fatigues, controlling the feeder 2 of this belt feeder 3 and this belt feeder 3 correspondences closes, perhaps when the feeder 2 of this belt feeder 3 of control and this belt feeder 3 correspondences cuts out, also control the feeder 2 of other belt feeders 3 and other belt feeders 3 correspondences and open.
According to the technical solution of the utility model, discharging control unit 1 inside has set in advance predetermined amount of time, the tired time, and belt feeder fatigue data, can arrange discharging control unit 1 internal processes, by judging whether the material total amount on the belt feeder 3 of opening in the predetermined amount of time surpasses belt feeder fatigue data (step S4)), the tired time (S5) that perhaps whether surpasses belt feeder 3 by the time of run of judging the belt feeder 3 of opening), judge whether the belt feeder 3 of opening is in tired running state, meeting step S4) and step S5) in any one condition under, discharging control unit 1 can judge that all the belt feeder 3 of opening is in tired running state, control thus the feeder 2 of this belt feeder 3 and this belt feeder 3 correspondences and close, cause the damage of belt feeder 3 to avoid continuous running.
According to a kind of embodiment of the present utility model, a plurality of feeders 2 an only corresponding belt feeder 3(are the embodiment that wall scroll belt feeder 3 moves), thus, after judging that belt feeder 3 is in tired running state, the feeder 2 that discharging control unit 1 is only controlled this belt feeder 3 and this belt feeder 3 correspondences cuts out and gets final product.
According to another kind of embodiment of the present utility model, a plurality of feeder 2 correspondences are the embodiment of many belt feeders 3 operations more than a belt feeder 3(), thus, after judging that belt feeder 3 is in tired running state, the feeder 2 that discharging control unit 1 also can only be controlled this belt feeder 3 and this belt feeder 3 correspondences cuts out and gets final product.
According to another embodiment of the present utility model, in the situation of a plurality of feeder 2 correspondences more than a belt feeder 3, after judging that belt feeder 3 is in tired running state, discharging control unit 1 can be controlled the feeder 2 of this belt feeder 3 and this belt feeder 3 correspondences and close, also controlling simultaneously the feeder 2 of other belt feeders 3 and other belt feeders 3 correspondences opens, by many belt feeders 3 switch operating modes, can realize that high efficiency material transports.
Described predetermined amount of time, tired time, belt feeder fatigue data all can be set in discharging control unit 1 according to the dispatching from the factory nominal parameter of belt feeder 3.
Can adopt multi-form feeder 2 to realize that discharging delivers from godown, described feeder 2 for example can be in activating feeder, vibrating feeder, ring type feeder or the revolving plow reclaimer any one.Under the preferable case, described feeder 2 is activating feeder.
The discharging control system of the silo that employing the utility model provides, can the required mass flow that transports be set as the belt feeder preset value according to the production scheduling plan of fortune coal harbour mouth, adopt the discharging control system to adjust the load of silo bottom feed machine 2, so that the actual mass flow of belt feeder 3 meets the belt feeder preset value, can reach the purpose of control mass flow.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Need to prove that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment in reconcilable situation, can make up by any suitable mode.For fear of unnecessary repetition, the utility model is to the no longer separately explanation of various possible array modes.
In addition, also can carry out combination in any between the various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (3)
1. the discharging control system of a silo, the bottom of this silo is provided with a plurality of feeders (2) for discharging, the below of described a plurality of feeder (2) is provided with at least one belt feeder (3), material in the described silo unloads to described belt feeder (3) by described feeder (2), it is characterized in that this control system comprises:
Be arranged on the belt conveyer scale (4) behind each belt feeder (3); And
Discharging control unit (1), this discharging control unit (1) is electrically connected with belt conveyer scale (4) behind described a plurality of feeders (2), described at least one belt feeder (3) and each belt feeder (3) respectively, and this discharging control unit (1) is for being used for carrying out the discharging control unit (1) of following steps:
S1) utilize belt conveyer scale (4) behind the belt feeder (3) open to measure mass flow on this belt feeder (3);
S2) mass flow and the belt feeder preset value that records compared; And
S3) adjust the load of at least one feeder (2) corresponding to this belt feeder (3) according to comparative result.
2. control system according to claim 1 is characterized in that, described discharging control unit (1) is also for being used for carrying out the discharging control unit (1) of following steps:
S4) calculate material total amount on the belt feeder (3) of opening in the predetermined amount of time, and this material total amount and belt feeder fatigue data are compared; Or
S5) measure the time of run of the belt feeder (3) open, and this time of run and tired time are compared; And
S6) according to step S4) or step S5) comparative result, judge whether the belt feeder (3) of opening is in tired running state, and judging in the tired situation of this belt feeder (3), controlling feeder (2) corresponding to this belt feeder (3) and this belt feeder (3) closes, perhaps when the feeder (2) of control this belt feeder (3) and this belt feeder (3) correspondence cuts out, also control feeder (2) corresponding to other belt feeders (3) and other belt feeders (3) and open.
3. control system according to claim 1 is characterized in that, described feeder (2) is any one in activating feeder, vibrating feeder, ring type feeder or the revolving plow reclaimer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220367214 CN202670686U (en) | 2012-07-26 | 2012-07-26 | Silo discharge control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220367214 CN202670686U (en) | 2012-07-26 | 2012-07-26 | Silo discharge control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202670686U true CN202670686U (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220367214 Expired - Lifetime CN202670686U (en) | 2012-07-26 | 2012-07-26 | Silo discharge control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202670686U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102774629A (en) * | 2012-07-26 | 2012-11-14 | 中国神华能源股份有限公司 | Discharge control method and system for silo |
-
2012
- 2012-07-26 CN CN 201220367214 patent/CN202670686U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102774629A (en) * | 2012-07-26 | 2012-11-14 | 中国神华能源股份有限公司 | Discharge control method and system for silo |
| CN102774629B (en) * | 2012-07-26 | 2015-05-20 | 中国神华能源股份有限公司 | Discharge control method and system for silo |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130116 Effective date of abandoning: 20150520 |
|
| RGAV | Abandon patent right to avoid regrant |