CN204988536U - Seal coal bunker temperature measuring device - Google Patents
Seal coal bunker temperature measuring device Download PDFInfo
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- CN204988536U CN204988536U CN201520786187.2U CN201520786187U CN204988536U CN 204988536 U CN204988536 U CN 204988536U CN 201520786187 U CN201520786187 U CN 201520786187U CN 204988536 U CN204988536 U CN 204988536U
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- coal bunker
- temperature measuring
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Abstract
The utility model relates to a seal coal bunker temperature measuring device, include: the temperature measurement pole, it includes a plurality of focus detectors, and the focus detector is installed in set inside pipe wall, and focus detector both ends are overlapped respectively has protection tube and fixed with fixed pipe, the temperature measurement rod controller, it is connected with temperature measurement pole one end establishes control panel, power module, redundant communication board, liquid crystal display board, the red alarm module of sound in, and power module, redundant communication board, the red alarm module of liquid crystal display board harmony all are connected with the control panel, and the power cord is guided to the back lid with the connection from first lead wire mouth and is connected with the control panel, and the signal line is followed the second and is gone between to cover after mouthful guiding to and be connected with the control panel, infrared remote control, it is connected with the temperature measurement rod controller. The beneficial effect of the utility model: all -round monitoring coal yard, no temperature measurement blind area, with luo parent form RTD temperature sensor, long detection time is accurate reliable in succession, protection level is high, and is small, simple to operate, it is equipped with the closed coal bunker that keeps off the coal wall to be applicable to bar coal yard, circular coal yard etc.
Description
Technical field
The utility model relates to a kind of temperature measuring equipment, is specifically related to a kind of closed coal bunker temperature measuring equipment.
Background technology
The coal yard of thermal power plant, originally based on bar shaped coal yard, is divided into indoor coal storage yard and wet coal canopy, unrealized completely closed, can produce a large amount of dust, cause environmental pollution and the wasting of resources in air storage and transportation.For a change conventional surface coal yard wants corresponding increase site area to improve coal storage, reduce problems such as ambient air pollutions of waterhead, totally enclosed type coal bunker improving utilization of area rate, increase storage coal capacity, reduce floor area, environmental-protecting performance is given prominence to, be used widely gradually.
Close coal bunker advantage a lot, but its shortcoming is given prominence to too.The kindling point of coal is about about 260-350 DEG C, enclosed space coal storage can continue oxidation reaction occurs, and causes heat to gather and constantly heats up, causing spontaneous combustion, coal seam temperature raises the easily various harmful gas of release, smog and causes environmental pollution simultaneously, has serious threat to safety in production.
For the monitoring system of closed coal yard, prior art has following shortcoming:
From metering system, existing metering system has thermopair, thermistor, IC sensor.Although thermocouple sensor is without the need to power supply, its voltage and temperature are nonlinear relationships, and during temperature variation, change in voltage is very little, and thermopair is also least sensitive, least stable temperature sensor.Thermistor is linearity extreme difference when circuit is long, and measurement range is limited.The output of IC sensor is the most linear, and especially similar DS18B20 single bus sensor adopts unibus mode, circuit and simplicity of design, but its shortcoming is not to be suitable for the above temperature survey of 125 DEG C high temperature.
From technique and structure, have and use temperature-measuring optical fiber, thermometric bar etc.But existing technique and structure, temperature-measuring optical fiber is under the such mal-condition of coal bunker, and serviceable life is limited and dangerous.Existing thermometric bar temperature-measuring range is limited, can not measure under hot conditions, fathoms not, can only measure skin temperature, accurately can not reflect the temperature in coal bunker.
To sum up, the monitoring technology of existing closed coal yard can only be point type thermometric, there is thermometric blind area, can not at the above thermometric of 125 DEG C high temperature, can not thermometric coal seam internal temperature, not easily transports, therefore, is badly in need of improving these defects.
Utility model content
For the weak point existed in the problems referred to above, the utility model provide a kind of can under high temperature 300 DEG C of conditions steady operation, can the multiple temperature sensor of cascade, can complete detection coal seam internal temperature, convenient transportation closed coal bunker temperature measuring equipment, be suitable for the closed coal bunker that bar shaped coal yard, circular coal yard etc. are provided with coal-stopping wall.
For achieving the above object, the utility model provides a kind of and closes coal bunker temperature measuring equipment, comprising:
Thermometric bar, it comprises multiple hotspot detector, and each described hotspot detector is arranged in the internal surface of sleeve pipe of sleeve pipe, and the two ends of each described hotspot detector are overlapped respectively and had protection tube, and described protection tube and stationary pipes are fixed;
Thermometric rod controller, it is connected with one end of described thermometric bar, control panel, power module, redundancy communication plate, LCD panel, the red alarm module of sound is provided with in described thermometric rod controller, described power module, described redundancy communication plate, described LCD panel are all connected with described control panel signal with the red alarm module of described sound, power lead and connection guide to the bonnet of described thermometric rod controller from the first lead wire outlet, and be connected with described control panel, signal wire guides to described bonnet from the second lead wire outlet, and is connected with described control panel;
Infrared remote controller, it is connected with described thermometric rod controller signal.
Improve further as the utility model, described hotspot detector adopts Luo parent form RTD temperature sensor.
Improve further as the utility model, described sleeve pipe is RTD heat transfer sleeve pipe.
Improve further as the utility model, described protection tube is glass fibre protection tube.
Improve further as the utility model, described stationary pipes is stainless-steel tube.
Improve further as the utility model, also comprise zone controller, one end of described zone controller is connected with multiple described thermometric rod controller, and the other end of described zone controller is connected with the dispersion treatment unit being arranged in upper strata by slack.
Improve further as the utility model, the shell of thermometric rod controller adopts transmitter enclosure.
Improve further as the utility model, the length of described sleeve pipe is 150mm.
Improve further as the utility model, the length of described protection tube is 60mm.
Improve further as the utility model, the length of described stationary pipes is 1400mm.
The beneficial effects of the utility model are:
1, thermometric bar is pre-buried at coal yard coal-stopping wall, and at the outside cabling of wall, the whole coal yard of omnibearing monitoring, realizes the temperature comprehensively measuring coal bunker, do not have thermometric blind area, be uploaded to managing and control system by redundancy communication, realize human-computer interface control;
2, hotspot detector adopts Luo parent form RTD temperature sensor, can detect for a long time continuously, thermometric is far away higher than 125 DEG C, under being normally operated in 400 DEG C of environment always, measure more precisely, reliably, adopt high temperature resistant insulated fibre glass protection tube heat insulation between temperature sensor, the error that the transmission avoiding heat causes;
3, controller degree of protection is high, and volume is little, easy for installation, can adapt to site environment;
4, the closed coal bunker that bar shaped coal yard, circular coal yard etc. are provided with coal-stopping wall is suitable for.
Accompanying drawing explanation
Fig. 1 is the concrete enforcement figure of a kind of closed coal bunker temperature measuring equipment of the utility model;
Fig. 2 is the structural representation of the utility model thermometric rod controller;
Fig. 3 is the structural representation of the utility model thermometric bar;
Fig. 4 is the scheme of installation of the utility model Luo parent form RTD temperature sensor.
In figure: 1, zone controller; 2, thermometric bar; 3, closed circle coal yard coal-stopping wall; 4, thermometric rod controller; 5, LCD panel; 6, bonnet; 7, the red alarm module of sound; 8, the first lead wire outlet; 9, the second lead wire outlet; 10, stationary pipes; 11, protection tube; 12, sleeve pipe; 13, internal surface of sleeve pipe; 14, Luo parent form RTD temperature sensor.
Embodiment
As shown in Figure 1, the concrete enforcement figure of a kind of closed coal bunker temperature measuring equipment of the utility model embodiment.Close coal bunker temperature measuring equipment and comprise thermometric bar 2, thermometric rod controller 4 and Infrared remote controller.Circular coal yard is divided into some regions, each region arranges a zone controller 1, one end of zone controller 1 is connected with five thermometric rod controllers 4, and the other end of zone controller 1 is connected with the dispersion treatment cells D PU being arranged in upper strata by slack, realizes bidirectional high speed communication.Each thermometric bar 2 along closed circle coal yard coal-stopping wall 3 every 5 °-10 ° pre-buried, the whole round coal yard of omnibearing monitoring.Each thermometric rod controller 4 is connected with one end of each thermometric bar 12, and Infrared remote controller is connected with thermometric rod controller 4 signal.
As shown in Figure 2, control panel, power module, redundancy communication plate, LCD panel 5, the red alarm module 7 of sound is provided with in thermometric rod controller 4, the red alarm module 7 of power module, redundancy communication plate, LCD panel 5 harmony is all connected with control panel signal, power lead and connection are guided to the bonnet 6 of thermometric rod controller 4 from the position of the first lead wire outlet 8 and are connected with control panel, and RTD signal wire is guided to bonnet 6 from the second lead wire outlet 9 and is connected with control panel.The shell of thermometric rod controller 4 adopts transmitter enclosure, control panel collection signal.Control panel acquisition mode adopts ADI company scheme, two wire circuit makes circuit simple, this circuit reaches best three-wire type RTD and configures simultaneously, use possesses two current sources mated completely and is fallen by the voltage offset produced on the line, therefore there is not the voltage error produced due to circuit, make the precision controlling of collection in 2 ‰ scopes, reach high-acruracy survey.Communication board communicates with gateway redundancy, and communication board adopts communication bus mode Profibus-DP, utilizes the DP of redundancy to communicate, can when a certain road communication broke down, reliable and stable communication.Display board 5 adopts liquid crystal display displays temperature value, by Infrared remote controller page turning display data, can arrange alarm temperature value simultaneously.Check each temperature data to user scene, different alarm temperature higher limits can also being set according to Different field to thermometric bar simultaneously, when reaching alarming value, realizing sound and light alarm by the red alarm module 7 of sound.
As shown in Figure 3, each thermometric bar 2 is provided with 12 hotspot detector, and each hotspot detector is arranged in the internal surface of sleeve pipe 13 of sleeve pipe 12, and the two ends of each hotspot detector are overlapped respectively and had protection tube 11, and protection tube 11 is fixed with stationary pipes 10.Stationary pipes 10 is the corrosion-resistant stainless steel pipe of 1400mm, and protection tube 11 is the high temperature resistant insulated fibre glass protection tube of 60mm length, and sleeve pipe 12 is the RTD heat transfer sleeve pipe of 150mm length.
As shown in Figure 4, hotspot detector adopts Luo parent form RTD temperature sensor 14, Luo parent form RTD temperature sensor 14 to be arranged in 150mm internal surface of sleeve pipe 13, is directly contacted, make measurement more accurate by sleeve pipe with coal seam large area.
The utility model adopts RTD temperature sensor as hotspot detector, and can detect for a long time continuously, every 1.5m arranges a RTD temperature sensor, and nearly 12 measurement points, can measure the coal bunker up to 18m.Along closed circle coal yard coal-stopping wall every 5 °-10 ° pre-buried one thermometric bars, realize the temperature comprehensively measuring coal bunker, there is no thermometric blind area.Temperature sensor adopts RTD sensor, thermometric far away higher than 125 DEG C, under being normally operated in 400 DEG C of environment always.RTD sensor, sleeve pipe, protection tube and stationary pipes form a heat conductor, measure more accurate, reliable.Meanwhile, between RTD temperature sensor, adopt high temperature resistant insulated fibre glass protection tube heat insulation, the error that the transmission avoiding heat causes.
The utility model is suitable for the closed coal bunker that bar shaped coal yard, circular coal yard etc. are provided with coal-stopping wall.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a closed coal bunker temperature measuring equipment, is characterized in that, comprising:
Thermometric bar (2), it comprises multiple hotspot detector, each described hotspot detector is arranged in the internal surface of sleeve pipe (13) of sleeve pipe (12), the two ends of each described hotspot detector are overlapped respectively protection tube (11), and described protection tube (11) is fixed with stationary pipes (10);
Thermometric rod controller (4), it is connected with one end of described thermometric bar (2), control panel is provided with in described thermometric rod controller (4), power module, redundancy communication plate, LCD panel (5), the red alarm module of sound (7), described power module, described redundancy communication plate, described LCD panel (5) is all connected with described control panel signal with the red alarm module of described sound (7), power lead and connection guide to the bonnet (6) of described thermometric rod controller (4) from the first lead wire outlet (8), and be connected with described control panel, signal wire guides to described bonnet (6) from the second lead wire outlet (9), and be connected with described control panel,
Infrared remote controller, it is connected with described thermometric rod controller (4) signal.
2. closed coal bunker temperature measuring equipment according to claim 1, is characterized in that, described hotspot detector adopts Luo parent form RTD temperature sensor (14).
3. closed coal bunker temperature measuring equipment according to claim 2, is characterized in that, described sleeve pipe (12) is RTD heat transfer sleeve pipe.
4. closed coal bunker temperature measuring equipment according to claim 1, is characterized in that, described protection tube (11) is glass fibre protection tube.
5. closed coal bunker temperature measuring equipment according to claim 1, is characterized in that, described stationary pipes (10) is stainless-steel tube.
6. closed coal bunker temperature measuring equipment according to claim 1, it is characterized in that, also comprise zone controller (1), one end of described zone controller (1) is connected with multiple described thermometric rod controller (4), and the other end of described zone controller is connected with the dispersion treatment unit being arranged in upper strata by slack.
7. closed coal bunker temperature measuring equipment according to claim 1, is characterized in that, the shell of thermometric rod controller (4) adopts transmitter enclosure.
8. closed coal bunker temperature measuring equipment according to claim 3, is characterized in that, the length of described sleeve pipe (12) is 150mm.
9. closed coal bunker temperature measuring equipment according to claim 4, is characterized in that, the length of described protection tube (11) is 60mm.
10. closed coal bunker temperature measuring equipment according to claim 5, is characterized in that, the length of described stationary pipes (10) is 1400mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520786187.2U CN204988536U (en) | 2015-10-12 | 2015-10-12 | Seal coal bunker temperature measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520786187.2U CN204988536U (en) | 2015-10-12 | 2015-10-12 | Seal coal bunker temperature measuring device |
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| CN204988536U true CN204988536U (en) | 2016-01-20 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290068A (en) * | 2017-06-20 | 2017-10-24 | 华电电力科学研究院 | A kind of spontaneous combustion monitoring system and method for circular coal yard |
| CN108931616A (en) * | 2018-07-19 | 2018-12-04 | 天津赛普瑞实验设备有限公司 | A kind of temperature automatically controlled digestion instrument that can deaerate in real time to dissolution medium |
| CN109269660A (en) * | 2018-10-29 | 2019-01-25 | 上海化工研究院有限公司 | A kind of tandem subregion narrow gap temperature detection device for container stack |
| CN111754717A (en) * | 2019-03-29 | 2020-10-09 | 空中客车运营有限公司 | Smoke and fire detection system and method and fire protection system |
| CN111896114A (en) * | 2020-07-29 | 2020-11-06 | 天津国电津能滨海热电有限公司 | Intelligent temperature measuring method and system for raw coal bunker |
-
2015
- 2015-10-12 CN CN201520786187.2U patent/CN204988536U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290068A (en) * | 2017-06-20 | 2017-10-24 | 华电电力科学研究院 | A kind of spontaneous combustion monitoring system and method for circular coal yard |
| CN108931616A (en) * | 2018-07-19 | 2018-12-04 | 天津赛普瑞实验设备有限公司 | A kind of temperature automatically controlled digestion instrument that can deaerate in real time to dissolution medium |
| CN109269660A (en) * | 2018-10-29 | 2019-01-25 | 上海化工研究院有限公司 | A kind of tandem subregion narrow gap temperature detection device for container stack |
| CN111754717A (en) * | 2019-03-29 | 2020-10-09 | 空中客车运营有限公司 | Smoke and fire detection system and method and fire protection system |
| CN111896114A (en) * | 2020-07-29 | 2020-11-06 | 天津国电津能滨海热电有限公司 | Intelligent temperature measuring method and system for raw coal bunker |
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