CN203276469U - Thermal resistor auxiliary material level alarm device - Google Patents
Thermal resistor auxiliary material level alarm device Download PDFInfo
- Publication number
- CN203276469U CN203276469U CN 201320217257 CN201320217257U CN203276469U CN 203276469 U CN203276469 U CN 203276469U CN 201320217257 CN201320217257 CN 201320217257 CN 201320217257 U CN201320217257 U CN 201320217257U CN 203276469 U CN203276469 U CN 203276469U
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- thermal
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- level
- ash
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Abstract
The utility model relates to a thermal resistor auxiliary material level alarm device. The device comprises two thermal resistors and a controller, one of the thermal resistors is arranged at a high material level of an ash bucket, the other thermal resistor is arranged in a position 300-400mm above the high material level, the two thermal resistors are connected with the controller and send thermal signals to the controller, if the temperature difference range of the two thermal signals exceeds a preset value of the controller, the controller sends out an alarm signal, and the thermal resistors are platinum thermal resistors. The thermal resistor auxiliary material level alarm device has the advantages that when a material level meter is in normal operation, the device only displays a thermal signal and assists material level work, and when a fault occurs in material level, the device can temporarily work instead of the material level meter, and judges the location of material, thereby ensuring normal operation of an ash transportation and discharging system.
Description
Technical field
The utility model relates to a kind of fly-ash separator deashing servicing unit, relates in particular to the auxiliary material level warning device of a kind of thermal resistance.
Background technology
Wide model along with fly-ash separator in every profession and trade is used, and level-sensing device comes into one's own as the annex of ash bucket.Simultaneously whether level-sensing device can reliability application, and can the pass system ash-transmission system and reliable and securely move.
The material level that uses in the supporting fly-ash separator of coal-burning boiler is in respect of two kinds of blocking rotary type and condenser types: the blocking rotary type level-sensing device, and simple in structure, cheap, easy to maintenance, the multiplex material full gate of making the granular material feed bin closes, but is not suitable for working under high temperature; Capacitance level meter, capacitance level meter principle are to insert between electrode in feed bin and bin wall to consist of capacitor, when level of filler material in the storehouse changes when causing the variation of electric capacity, obtain corresponding control signal by change-over circuit.The characteristics such as this material level is low in respect of cost, machinery-free weares and teares, easy to installation and maintenance.But, be stained with material if use on a period of time rear electrode, tend to cause the controller misoperation.
General, level-sensing device is arranged on high charge level place and the low material level place of ash bucket, and level-sensing device false alarm often occurs, the phenomenon of perhaps not reporting to the police in the process of using.Repeatedly adjust sensitivity, but this problem still occurs after a while.This problem all occurs at a plurality of scenes, never find effective solution.This just needs a kind of device that can assist level-sensing device to report to the police when the level-sensing device fault.
Summary of the invention
For overcoming the deficiencies in the prior art, the purpose of this utility model is to provide the auxiliary material level warning device of a kind of thermal resistance, when material level breaks down, can temporarily replace level-sensing device work, and the position of judgement material guarantees the normal operation of defeated ash discharging system.
For achieving the above object, the utility model is achieved through the following technical solutions:
A kind of thermal resistance is assisted the material level warning device, comprise two thermal resistances, controller, a thermal resistance is located at the high charge level place of ash bucket, another thermal resistance is located at 300-400mm place, high charge level top, two thermal resistances are connected with controller, and two thermal resistances send to controller with thermal signal, if the temperature range of two thermal signals exceeds the controller preset value, controller sends alerting signal, and described thermal resistance is platinum resistance thermometer sensor.
Compared with prior art, the beneficial effects of the utility model are:
Be applicable to when level-sensing device works, only show thermal signal on the metastable fly-ash separator of flue-gas temperature, assist material level work, when material level breaks down, can temporarily replace level-sensing device work, the position of judgement material guarantees the normal operation of defeated ash discharging system.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is that the A of Fig. 1 is to view.
In figure: 1-high charge level 2-hangs down material level 3-level-sensing device 4-thermal resistance 5-controller 6-ash bucket.
Embodiment
Below in conjunction with Figure of description, the utility model is described in detail, but should be noted that enforcement of the present utility model is not limited to following embodiment.
See Fig. 1, Fig. 2, a kind of thermal resistance is assisted the material level warning device, comprise two thermal resistances 4, controller 5, a thermal resistance is located at high charge level 1 place of ash bucket 6, and another thermal resistance is located at high charge level 1 300-400mm place, top, and two thermal resistances 4 are connected with controller 5, two thermal resistances 4 send to controller 5 with thermal signal, if the temperature range of two thermal signals exceeds controller 5 preset values, controller 5 sends alerting signal, and described thermal resistance 4 is platinum resistance thermometer sensor.
Respectively be provided with a level-sensing device 3 at the high charge level 1 of ash bucket 6 and low material level 2 places, if level-sensing device 3 any one break down can't judge the interior material level situation of change of ash bucket 6, cause defeated ash discharging system normally to move.A platinum resistance thermometer sensor, 4 is installed at 1 place at high charge level, at 300mm place on it, then 4, two platinum resistance thermometer sensor,s 4 of a platinum resistance thermometer sensor, are installed all are connected with controller 5, and two platinum resistance thermometer sensor,s 4 can be dealt into thermal signal in controller 5 respectively.Due to different from ash temperature outward in ash, if wherein a platinum resistance thermometer sensor, 4 is embedded in ash, the thermal signal value of two platinum resistance thermometer sensor,s 4 is with difference so.
Under normal circumstances, the reading value of two platinum resistance thermometer sensor,s 4 should be identical or close, and when equipment was started working, operating personnel examined two thermal signal values, leads scope with the difference of determining two platinum resistance thermometer sensor, 4 value additional alarms.In the PLC of controller 5 system, a temperature error scope is set in advance, the temperature difference that two platinum resistance thermometer sensor,s 4 send exceeds the error range of setting with regard to automatic alarm.
The utility model is applicable on the metastable fly-ash separator of flue-gas temperature (fly-ash separator that coal-burning boiler is supporting), when level-sensing device works, only show thermal signal, the work of assistance material level, when material level breaks down, can temporarily replace level-sensing device work, the position of judgement material guarantees the normal operation of defeated ash discharging system.
Claims (1)
1. a thermal resistance is assisted the material level warning device, it is characterized in that, comprise two thermal resistances, controller, a thermal resistance is located at the high charge level place of ash bucket, and another thermal resistance is located at 300-400mm place, high charge level top, and two thermal resistances are connected with controller, two thermal resistances send to controller with thermal signal, if the temperature range of two thermal signals exceeds the controller preset value, controller sends alerting signal, and described thermal resistance is platinum resistance thermometer sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320217257 CN203276469U (en) | 2013-04-26 | 2013-04-26 | Thermal resistor auxiliary material level alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320217257 CN203276469U (en) | 2013-04-26 | 2013-04-26 | Thermal resistor auxiliary material level alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203276469U true CN203276469U (en) | 2013-11-06 |
Family
ID=49506834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320217257 Expired - Fee Related CN203276469U (en) | 2013-04-26 | 2013-04-26 | Thermal resistor auxiliary material level alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203276469U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247362A (en) * | 2016-10-12 | 2016-12-21 | 南京凯盛开能环保能源有限公司 | The ash bucket monitoring material position of a kind of accumulatingdust and emergent ash-discharging device and method |
-
2013
- 2013-04-26 CN CN 201320217257 patent/CN203276469U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247362A (en) * | 2016-10-12 | 2016-12-21 | 南京凯盛开能环保能源有限公司 | The ash bucket monitoring material position of a kind of accumulatingdust and emergent ash-discharging device and method |
| CN106247362B (en) * | 2016-10-12 | 2018-06-22 | 南京凯盛开能环保能源有限公司 | A kind of ash bucket monitoring material position of accumulatingdust and emergent ash-discharging device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20160426 |