CN202717311U - Material level detection system of silo - Google Patents
Material level detection system of silo Download PDFInfo
- Publication number
- CN202717311U CN202717311U CN 201220367221 CN201220367221U CN202717311U CN 202717311 U CN202717311 U CN 202717311U CN 201220367221 CN201220367221 CN 201220367221 CN 201220367221 U CN201220367221 U CN 201220367221U CN 202717311 U CN202717311 U CN 202717311U
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- silo
- electric signal
- material level
- feeder
- level
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Abstract
The utility model discloses a material level detection system of a silo. The silo comprises multiple discharge holes (8), wherein the detection system comprises second material level switches (10) which are in one-to-one correspondence with the multiple discharge holes (8), and are used for detecting whether the material level above the discharge holes (8) is lower than a material level lower limit value of the silo and outputting a second electric signal when the material level above the discharge holes (8) is detected to be lower than the material level lower limit value of the silo, and a feeder controller (12) which is used for outputting an electric signal for turning off a feeder at the discharge holes (8) corresponding to the second material level switch (10) when any second electric signal output by each second material level switch (10) is received; and the feeder controller (12) is electrically connected with the second material level switches (10). The material level detection system of the silo provided by the utility model can prevent dropping coal from damaging the feeder due to too little coal in 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 large-scale coal storage silo in harbour has a plurality of discharging openings, a plurality of discharging openings are arranged on the bottom of silo, each discharging opening place is provided with feeder, and the coal charge of storage expects that the belt feeder at the bottom of the storehouse transports, and realizes delivering from godown of coal charge thus by the action of feeder in the silo under discharging opening.
Yet the coal charge of retaining in silo is very few, and in the situation of the rebasing coal seam of silo insufficient height, coal charge is directly fallen by the silo top in the time of can causing next time charging, and the feeder bottom the silo is caused damage.
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 crosses low time control stop when the interior material level of silo and end discharging, damages feeder to avoid coal breakage.
To achieve these goals, the utility model provides a kind of material-level detection system of silo, this silo has a plurality of discharging openings, and this checking system comprises: with described a plurality of discharging openings one to one, for detection of the material level of described discharging opening top whether be lower than the cylindrical bin material position lower limit, and material level above detecting described discharging opening export the second stuff level switch 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 output, the feeder controller of electric signal that the feeder at discharging opening place that output control is corresponding with this second stuff level switch cuts out; Described feeder controller is electrically connected with described the second stuff level switch.
The material-level detection system utilization of the silo that the utility model provides is arranged on the material level that the second stuff level switch of silo bottom (being the discharging opening top) detects in the silo and whether drops to the cylindrical bin material position lower limit, and when the cylindrical bin material position that detects is lower than the cylindrical bin material position lower limit, utilize feeder controller to control feeder and close, the coal breakage of having avoided thus the silo discharging too much to cause damages feeder.
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.
The large-scale coal storage silo in harbour also has a plurality of discharging openings 8, as shown in Figure 1, these a plurality of discharging openings 8 are arranged on the bottom of silo, each discharging opening 8 place is provided with feeder, 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, as shown in Figure 1, the material-level detection system of the silo that provides of the utility model 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, as shown in Figure 1, 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.Capacitance level meter is a kind of position transduser with switching value output, the measuring head of this capacitance level meter consists of the capacitance detecting face, 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.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.
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 also comprises feeder controller 12, 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.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 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.
Because the top of the large-scale coal storage silo in harbour is provided with a plurality of cloth mouths 2, utilizes the feed belt machine that coal charge is delivered in the silo from cloth mouth 2 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.
In order to realize that the material level in the silo detects and the control charging, to avoid silo feeding too much, under the preferable case, the material-level detection system of the silo that the utility model provides 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, as shown in Figure 1, 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.The measuring head of capacitance level meter 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.
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 also comprises belt control device 11, 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.
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.
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 discharging openings (8), it is characterized in that, this checking system 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).
2. checking system according to claim 1, it is characterized in that, described silo has a plurality of cloth mouths (2), and described this checking system also 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 the belt control device (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 belt control device (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 belt control device (9).
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 belt control device (9) and described the second stuff level switch (10) are capacitance level meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220367221 CN202717311U (en) | 2012-07-26 | 2012-07-26 | Material level detection system of silo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220367221 CN202717311U (en) | 2012-07-26 | 2012-07-26 | Material level detection system of silo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202717311U true CN202717311U (en) | 2013-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220367221 Expired - Lifetime CN202717311U (en) | 2012-07-26 | 2012-07-26 | Material level detection system of silo |
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| Country | Link |
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| CN (1) | CN202717311U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640866A (en) * | 2013-12-27 | 2014-03-19 | 上海烟草集团有限责任公司 | Cut tobacco monitoring method and system in operation of flue-cured tobacco set |
| CN103964153A (en) * | 2014-04-16 | 2014-08-06 | 中工国际工程股份有限公司 | Remotely-controlled and automatic-running bagasse harrow tooth transportation device |
| CN110007696A (en) * | 2019-04-18 | 2019-07-12 | 首钢京唐钢铁联合有限责任公司 | A kind of automatic storehouse changing control system and method |
-
2012
- 2012-07-26 CN CN 201220367221 patent/CN202717311U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640866A (en) * | 2013-12-27 | 2014-03-19 | 上海烟草集团有限责任公司 | Cut tobacco monitoring method and system in operation of flue-cured tobacco set |
| CN103640866B (en) * | 2013-12-27 | 2017-08-04 | 上海烟草集团有限责任公司 | A kind of pipe tobacco monitoring system in flue-cured tobacco group operating |
| CN103964153A (en) * | 2014-04-16 | 2014-08-06 | 中工国际工程股份有限公司 | Remotely-controlled and automatic-running bagasse harrow tooth transportation device |
| CN110007696A (en) * | 2019-04-18 | 2019-07-12 | 首钢京唐钢铁联合有限责任公司 | A kind of automatic storehouse changing control system and method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130206 |