CN202704469U - Detection system for material level of silo - Google Patents
Detection system for material level of silo Download PDFInfo
- Publication number
- CN202704469U CN202704469U CN 201220366982 CN201220366982U CN202704469U CN 202704469 U CN202704469 U CN 202704469U CN 201220366982 CN201220366982 CN 201220366982 CN 201220366982 U CN201220366982 U CN 201220366982U CN 202704469 U CN202704469 U CN 202704469U
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- silo
- level switch
- level
- electric signal
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Abstract
The utility model discloses a detection system for a material level of a silo. The silo comprises a plurality of material distribution ports (2), and the detection system comprises first material level switches (9) and a belt conveyor controller (11), wherein the first material level switches are in one-to-one correspondence with the material distribution ports (2), and are used for detecting whether material levels below the material distribution ports (2) reach upper limit values of the material levels of the silo or not and outputting first electric signals when the material levels below the material distribution ports (2) reach the upper limit values of the material levels of the silo; the belt conveyor controller (11) is used for outputting electric signals which control a feeding belt conveyor to stop feeding under a condition that the first electric signals output by any one of the first material level switches (9) are received; and the belt conveyor controller (11) is electrically connected with the first material level switches (9). By the detection system for the material level of the silo, the material levels in the silo can be detected, the feeding belt conveyor is controlled to stop feeding when the material levels in the silo reach the upper limit values of the material levels of the silo so as to avoid excessive feeding and guarantee the operation security of the silo.
Description
Technical field
The material level that the utility model relates to material detects, and relates in particular to the material-level detection 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 charge ores more.
For fortune coal harbour mouth, open storage storage meeting causes the material of very large pollution and stacking easily to be subjected to the impact of weather on environment, and adopting general sealing stockyard or storehouse storage, the coal charge 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 top of the large-scale coal storage silo in harbour is provided with the cloth mouth, utilizes the feed belt machine that coal charge is delivered in the silo from the cloth mouth and stores.Like this, in the situation that coal charge delivers from godown and to change the storehouse not prompt enough, the silo content is prone to the problem that charging too much causes coal charge to overflow, and operation has caused impact on silo, when serious even may set off an explosion.
The utility model content
The purpose of this utility model provides a kind of material-level detection system of silo, and this material-level detection system can realize that the material level in the silo detects, and works as the interior too high time control stop of material level of silo and end charging, to guarantee the safety of silo operation.
To achieve these goals, the utility model provides a kind of material-level detection system of silo, this silo has a plurality of cloth mouths, and this checking system comprises: with described a plurality of cloth mouths one to one, for detection of the material level of described cloth mouth below whether reach the cylindrical bin material position higher limit, and material level below detecting described cloth mouth export the first stuff level switch of the first electric signal when reaching the cylindrical bin material position higher limit; And be used in the situation of the first electric signal that receives any first stuff level switch output, belt control device that output control feed belt machine stops the electric signal of charging; Described belt control device is electrically connected with described the first stuff level switch.
The material-level detection system utilization of the silo that the utility model provides is arranged on the material level that first stuff level switch at silo top (be cloth mouth below) detects in the silo and whether reaches the cylindrical bin material position higher limit, and when cylindrical bin material position reaches the cylindrical bin material position higher limit, utilize the belt control device to control the feed belt machine and stop charging, the situation of having avoided thus silo feeding too much to cause coal charge to overflow has guaranteed the safety of silo operation.
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 material-level detection system of the silo that provides of the utility model.
Description of reference numerals
2 cloth mouths, 8 discharging openings
9 first stuff level switchs, 10 second stuff level switchs
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.
Storage and transhipment at the existing coal charge of fortune coal harbour cause for gossip are provided with the large-scale coal storage silo in harbour.Described silo is hermetically-sealed construction, and in order to realize charging, as shown in Figure 1, described silo has a plurality of cloth mouths 2, and a plurality of cloth mouths 2 all are arranged on Cang Ding.Come the coal charge of self-contained coal train to be transported to Cang Ding by the fixed type feed belt machine that is connected to silo Cang Ding, carry out discharging with the dump car of feed belt machine cooperating in the operation of top, storehouse linear reciprocation, coal charge is discharged in the silo by described a plurality of cloth mouths 2.
In order to realize that the material level in the silo detects and the control charging, to avoid silo feeding too much, as shown in Figure 1, the material-level detection system of the silo that provides of the utility model comprises: with described a plurality of cloth mouths 2 one to one, whether reach the cylindrical bin material position higher limit, and when the material level that detects described cloth mouth 2 belows reaches the cylindrical bin material position higher limit, export the first stuff level switch 9 of the first electric signal for detection of the material level of described cloth mouth 2 belows; And be used in the situation of the first electric signal that receives any first stuff level switch, 9 output, belt control device 11 that output control feed belt machine stops the electric signal of charging; Described belt control device 11 is electrically connected with described the first stuff level switch 9.
According to a kind of embodiment of the present utility model, described cloth mouth 2 can be two, two cloth mouths 2 are strip shape, be set up in parallel at the silo top, can adopt single line discharging warehouse entry process form, by the operation of unloading coal of a feed belt machine is set at Cang Ding, move discharging with the dump car of this feed belt machine cooperating at top, storehouse reciprocating linear, coal charge is discharged in the silo by two cloth mouths 2 and stores thus, the formation taper is piled up, and forms the high coal position as the cone peak under described cloth mouth 2.
According to another kind of embodiment of the present utility model, described cloth mouth 2 can be four, four cloth mouths 2 are strip shape, be set up in parallel at the silo top, can adopt two-wire discharging warehouse entry process form, by the operation of unloading coal of two feed belt machines is set at Cang Ding, move discharging with the dump car of described feed belt machine cooperating at top, storehouse reciprocating linear, coal charge is discharged in the silo by four cloth mouths 2 and stores thus, the formation taper is piled up, and forms the high coal position as the cone peak under described cloth mouth 2.
Can arrange according to the needs of practical operation quantity and the arrangement mode to cloth mouth 2, the utility model is not limited to above-mentioned two kinds of embodiments.
According to the technical solution of the utility model, this material-level detection system also comprises and a plurality of cloth mouths 2 the first stuff level switch 9 one to one, and namely each cloth mouth 2 below is provided with the first stuff level switch 9 of a correspondence.Described the first stuff level switch 9 detects the also material-level detecting device of output detection signal for realizing arbitrarily material level, for example can be capacitance level meter.Capacitance level meter is a kind of position transduser with switching value output, and its measuring head consists of the capacitance detecting face, and when the material level of examined object rose to the capacitance detecting face, on-off signal of this position transduser output detected to realize material level.Capacitance charge level is counted this area material-level detecting device commonly used, and its principle of work is conventionally known to one of skill in the art.
Too much for fear of silo feeding, the high coal position that the coal charge of piling up in can silo allows to reach is set to the cylindrical bin material position higher limit, described the first stuff level switch 9 is arranged on silo inside top or the silo inwall, consist of the capacitance detecting face as long as guarantee the measuring head of the first stuff level switch 9 under cloth mouth 2 and in the cylindrical bin material position upper vault, the utility model does not carry out any restriction to the set-up mode of the first stuff level switch 9.
Described cylindrical bin material position higher limit can be set according to the actual height of silo, as long as guarantee that material level does not exceed cloth saliva plane and causes coal charge to overflow.
According to the technical solution of the utility model, when the material level that detects described cloth mouth 2 belows reaches the cylindrical bin material position higher limit, described the first stuff level switch 9 outputs the first electric signal.
The material-level detection system that the utility model provides comprises that also belt control device 11(is not shown), this belt control device 11 is used for the operation of control feed belt machine, this belt control device 11 also is electrically connected with described the first stuff level switch 9, be used for exporting electric signal that control feed belt machine stops charging to the feed belt machine according to the first electric signal from the first stuff level switch 9 that receives, out of service to control the feed belt machine.
Described belt control device 11 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 belt control device 11 can be exported operating order that control feed belt machine stops charging to the feed belt machine, with the control of realization to the feed belt machine according to the first electric signal from the first stuff level switch 9 that receives.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.
Thus, the material-level detection system of the silo that employing the utility model provides can detect the material level in the silo, and when the material level in the silo reaches the cylindrical bin material position higher limit, control feed belt machine stops charging, avoids charging too much, has guaranteed the safety of silo operation.
The large-scale coal storage silo in harbour also has a plurality of discharging openings 8, these a plurality of discharging openings 8 are arranged on the bottom of silo, each discharging opening 8 place is provided with feeder, and the coal charge of storage expects that from discharging opening the belt feeder at the bottom of the storehouse transports by the action of feeder for 8 times in the silo, realizes thus delivering from godown of coal charge.
The coal charge of retaining in the silo is very few, the rebasing coal seam of silo insufficient height, coal charge is directly fallen by the silo top when causing next time charging, feeder to the silo bottom causes damage, under the preferable case, the material-level detection system of the silo that the utility model provides also comprises: with described a plurality of discharging openings 8 one to one, whether be lower than the cylindrical bin material position lower limit, and when the material level that detects described discharging opening 8 tops is lower than the cylindrical bin material position lower limit, export the second stuff level switch 10 of the second electric signal for detection of the material level of described discharging opening 8 tops; And be used in the situation of the second electric signal that receives any second stuff level switch, 10 output, the feeder controller 12 of electric signal that the feeder at discharging opening 8 places that output control and this second stuff level switch 10 are corresponding cuts out; Described feeder controller 12 is electrically connected with described the second stuff level switch 10.
According to a kind of embodiment of the present utility model, described discharging opening 8 can be six, and six discharging openings 8 are square, be set up in parallel in twos in the silo bottom, thus, the coal charge of piling up in the silo unloads from six discharging openings 8 by the action of feeder, realizes that coal charge delivers from godown.
Can arrange according to the needs of practical operation quantity and the arrangement mode to discharging opening 8, the utility model is not limited to above-mentioned embodiment.
According to the technical solution of the utility model, this material-level detection system also comprises and a plurality of discharging openings 8 the second stuff level switch 10 one to one, and namely each discharging opening 8 top is provided with the second stuff level switch 10 of a correspondence.Described two stuff level switchs 10 detect the also material-level detecting device of output detection signal for realizing arbitrarily material level, for example can be capacitance level meter.The measuring head of this capacitance level meter consists of the capacitance detecting face, and when the material level of examined object dropped to the capacitance detecting face, on-off signal of this position transduser output detected to realize material level.
The very few material level that causes of clout is excessively low in the silo, the minimum coal position that rebasing coal charge allows in can silo is set to the cylindrical bin material position lower limit, described the second stuff level switch 10 is arranged on silo bottom inside or the silo inwall, consist of the capacitance detecting face as long as guarantee the measuring head of the second stuff level switch 10 above discharging opening 8 and at cylindrical bin material position lower limit place, the utility model does not carry out any restriction to the set-up mode of the second stuff level switch 10.
Described cylindrical bin material position lower limit can be set according to the needs of practical operation, as long as guarantee that rebasing coal charge is enough to guarantee that coal breakage can not damage feeder.
According to the technical solution of the utility model, when the material level that detects described discharging opening 8 tops reaches the cylindrical bin material position lower limit, described the second stuff level switch 10 outputs the second electric signal.
The material-level detection system that the utility model provides comprises that also feeder controller 12(is not shown), this feeder controller 12 is used for the control feeder and opens or close, this feeder controller 12 also is electrically connected with described the second stuff level switch 10, be used for exporting electric signal that the control feeder cuts out to feeder according to the second electric signal from the second stuff level switch 10 that receives, close to control feeder.
Described feeder controller 12 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 feeder controller 12 can be exported the control feeder operating order of closing to feeder, with the control of realization to feeder according to the second electric signal from the second stuff level switch 10 that receives.
Thus, the material-level detection system of the silo that employing the utility model provides can also detect the material level in the silo, and when the material level in the silo reaches the cylindrical bin material position lower limit, the control feeder cuts out, and has avoided in the silo coal charge very few and cause coal breakage to damage feeder.
Described belt control device 11 and described feeder controller 12 can be PLC independently, be respectively applied to control the work of feed belt machine and the feeder at the bottom of the storehouse of silo Cang Ding, both also can become one described belt control device 11 and described feeder controller 12, by being integrated in the function that realizes among the same PLC separately.
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 in addition, each 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 (5)
1. the material-level detection system of a silo, this silo has a plurality of cloth mouths (2), it is characterized in that, this checking system comprises: with described a plurality of cloth mouths (2) one to one, for detection of the material level of described cloth mouth (2) below whether reach the cylindrical bin material position higher limit, and material level below detecting described cloth mouth (2) export first stuff level switch (9) of the first electric signal when reaching the cylindrical bin material position higher limit; And be used in the situation of the first electric signal that receives any first stuff level switch (9) output, belt control device (11) that output control feed belt machine stops the electric signal of charging; Described belt control device (11) is electrically connected with described the first stuff level switch (9).
2. checking system according to claim 1, it is characterized in that, described silo has a plurality of discharging openings (8), and described checking system also comprises: with described a plurality of discharging openings (8) one to one, for detection of the material level of described discharging opening (8) top whether be lower than the cylindrical bin material position lower limit, and material level above detecting described discharging opening (8) export second stuff level switch (10) of the second electric signal when being lower than the cylindrical bin material position lower limit; And be used in the situation of the second electric signal that receives any second stuff level switch (10) output, the feeder controller (12) of electric signal that feeder that the output control discharging opening (8) corresponding with this second stuff level switch (10) located cuts out; Described feeder controller (12) is electrically connected with described the second stuff level switch (10).
3. checking system according to claim 2 is characterized in that, described belt control device (11) and described feeder controller (12) are programmable logic controller (PLC).
4. checking system according to claim 3 is characterized in that, both become one described belt control device (11) and described feeder controller (12).
5. checking system according to claim 2 is characterized in that, described the first stuff level switch (9) and described the second stuff level switch (10) are capacitance level meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220366982 CN202704469U (en) | 2012-07-26 | 2012-07-26 | Detection system for material level of silo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220366982 CN202704469U (en) | 2012-07-26 | 2012-07-26 | Detection system for material level of silo |
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| Publication Number | Publication Date |
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| CN202704469U true CN202704469U (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220366982 Expired - Lifetime CN202704469U (en) | 2012-07-26 | 2012-07-26 | Detection system for material level of silo |
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| CN (1) | CN202704469U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261015A (en) * | 2014-09-19 | 2015-01-07 | 中冶长天国际工程有限责任公司 | Stock bin for storing granulated materials and desorption tower device with stock bin |
| CN104370121A (en) * | 2014-09-15 | 2015-02-25 | 长沙汇一制药机械有限公司 | Capping machine |
| CN105084028A (en) * | 2015-08-17 | 2015-11-25 | 王永范 | Square automatic operation silo |
| CN107140446A (en) * | 2017-05-19 | 2017-09-08 | 华南理工大学 | A kind of control device and method of intelligent double-direction control make-up system |
| CN110745401A (en) * | 2019-11-29 | 2020-02-04 | 河南理工大学 | Automatic coal bunker coal level detection and alarm device based on pressure sensor and use method thereof |
-
2012
- 2012-07-26 CN CN 201220366982 patent/CN202704469U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104370121A (en) * | 2014-09-15 | 2015-02-25 | 长沙汇一制药机械有限公司 | Capping machine |
| CN104261015A (en) * | 2014-09-19 | 2015-01-07 | 中冶长天国际工程有限责任公司 | Stock bin for storing granulated materials and desorption tower device with stock bin |
| CN105084028A (en) * | 2015-08-17 | 2015-11-25 | 王永范 | Square automatic operation silo |
| CN105084028B (en) * | 2015-08-17 | 2017-11-14 | 王永范 | A kind of square automated job silo |
| CN107140446A (en) * | 2017-05-19 | 2017-09-08 | 华南理工大学 | A kind of control device and method of intelligent double-direction control make-up system |
| CN110745401A (en) * | 2019-11-29 | 2020-02-04 | 河南理工大学 | Automatic coal bunker coal level detection and alarm device based on pressure sensor and use method thereof |
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| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |
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| CX01 | Expiry of patent term |