CN202534098U - Closed silo environment safety monitoring apparatus - Google Patents
Closed silo environment safety monitoring apparatus Download PDFInfo
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- CN202534098U CN202534098U CN2012201269295U CN201220126929U CN202534098U CN 202534098 U CN202534098 U CN 202534098U CN 2012201269295 U CN2012201269295 U CN 2012201269295U CN 201220126929 U CN201220126929 U CN 201220126929U CN 202534098 U CN202534098 U CN 202534098U
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- gas
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Abstract
The utility model relates to a closed silo environment safety monitoring apparatus comprising a signal acquisition portion, a signal processing/controlling portion, and an alarm device. Specifically, the signal acquisition portion includes a CO detector, a CH4 gas detector, an oxygen gas detector, a temperature sensor, a cold seam multi-point temperature measurement cable sensor; and the signal processing/controlling portion consists of a monitoring host, a local operating control box, and a nitrogen injection protection device. The apparatus is characterized in that: the apparatus also comprises a ventilator that is installed on the top of the silo; when one or more items of CH4 gas concentration, CO gas concentrator and oxygen concentration in monitoring values exceeds/exceed a set alarm value range, the monitoring host automatically starts sound-light alarm devices installed at an upper belt equipment room and a lower belt equipment room as well as the ventilator installed on the top of the silo. According to the apparatus provided by the utility model, a protection measure is provided for personnel safety of engineering maintenance personnel, thereby ensuring the personnel safety of the engineering maintenance personnel.
Description
Technical field
The utility model relates to the Environmental security monitoring device, specifically is closed silo Environmental security supervising device, is applicable in the closed coal storage silo in places such as thermal power plant, coke-oven plant, coal transfer station, harbour storage.
Background technology
Because the safe storage of different types of coal, raw material of wood-charcoal is industry energy conservations such as power plant, chemical industry, harbour storage, metallurgy reduces discharging the primary problems that solve, the therefore storage mode of closed silo market universalness more.It is more that yet enclosed storage mode causes coal storage potential safety hazard factor, and the safety monitoring safeguard measure of closed silo is even more important.Present closed silo adopts temperature monitoring, CH more
4, the mode that combines of CO gas-monitoring, monitoring material position, notes nitrogen protective device, explosion door monitors silo coal storage safe condition, this monitoring mode has been ignored staff's personal safety protection measure in the silo.
Summary of the invention
The fundamental purpose of the utility model is in order to address the above problem, a kind of closed silo Environmental security supervising device that is used to ensure staff's personal safety in the silo to be provided on the monitoring basis of closed silo safety monitoring protective device.
The utility model is realized through following technical scheme:
A kind of closed silo Environmental security supervising device comprises: signals collecting part, signal Processing/control section, warning device; Described signal acquisition part branch comprises: be used to detect the CO detector of CO gas concentration in the silo, be used to detect CH in the silo
4The CH of gas concentration
4Gas detector is used to detect the oxygen gas detector of oxygen concentration in the silo, is used to detect temperature sensor, the coal seam multi-point temperature measurement cable formula sensor of coal storage temperature in the silo; Described signal Processing/control section comprises: the processing, A/D conversion, the real-time monitoring host computer that shows that are used for acquired signal; Be used for site test, manually operated local operation control box; With the notes nitrogen protective device of monitoring host computer communication, when monitor value wherein or multinomial when exceeding the alarming value scope of setting monitoring host computer start through PLC and annotate the nitrogen protective device and in silo, discharge nitrogen; It is characterized in that: also comprise the ventilation blower that is installed in the silo top, the CH in monitor value
4Gas concentration, CO gas concentration, one of oxygen concentration or multinomial when exceeding the alarming value scope of setting; When annotating the startup of nitrogen protective device, monitoring host computer starts acoustic-optic alarm that is installed in silo upper and lower part belt machine room and the ventilation blower that is installed in the silo top automatically.
The acoustic-optic alarm of the utility model is installed in the quantity of silo upper and lower part belt machine room and distinguishes at least 4.
The valve of the notes nitrogen protective device of the utility model is connected with acoustic-optic alarm, the unlatching of valve, and the interlock acoustic-optic alarm sends the sound and light alarm action.
The monitoring host computer of the utility model is the watch-dog with Signal Processing, A/D conversion, real-time Presentation Function.
Principle of work: through CH in the range detector on-line monitoring coal storage silo of installing in the silo
4Parameters such as gas concentration, CO gas concentration, oxygen concentration, temperature; Monitor signal gets into monitoring host computer again and handles: when monitor value wherein or multinomial when exceeding the alarming value scope of setting; Monitoring host computer starts through PLC annotates the nitrogen protective device; In silo, discharge nitrogen, coal storage in the silo is carried out the nitrogen inerting handle, reduce CH
4The concentration of gas, CO gas suppresses the spontaneous combustion of coal storage and is inclined to; CH in monitor value
4Gas concentration, CO gas concentration, one of oxygen concentration or multinomial when exceeding the alarming value scope of setting; When annotating the startup of nitrogen protective device, monitoring host computer all can start acoustic-optic alarm that is installed in silo upper and lower part belt machine room and the ventilation blower that is installed in the silo top automatically.
The beneficial effect of the utility model is: for the user of closed silo coal storage in safety monitoring protection process to silo; A kind of safer monitor mode is provided; For engineering maintenance personnel's personal safety provides a kind of safeguard measure; Ensure engineering maintenance personnel's personal safety, avoided personnel's in the silo security incident injury.
Description of drawings
Fig. 1 is the utility model theory diagram.
Embodiment
Shown in accompanying drawing, the signal acquisition part branch comprises: be used to detect the CO detector of CO gas concentration in the silo, be used to detect CH in the silo
4The CH of gas concentration
4Gas detector is used to detect the oxygen gas detector of oxygen concentration in the silo, is used to detect temperature sensor, the coal seam multi-point temperature measurement cable formula sensor of coal storage temperature in the silo.
Signal Processing/control section comprises: be used for processing, A/D conversion, the real-time monitoring host computer that shows of acquired signal, be used for site test, manually operated local operation control box, with the notes nitrogen protective device of monitoring host computer communication.
The course of work: each detector of signals collecting part is to the real-time monitoring of the various parameters of environment in the silo; Monitor signal is delivered to the monitoring host computer of signal Processing/control section and is handled; The conversion of signals of gathering is become digital signal, be presented on the monitoring host computer in real time.When monitor value wherein or multinomial when exceeding the alarming value scope of setting, monitoring host computer starts through PLC annotates the nitrogen protective device, in silo, discharges nitrogen, coal storage in the silo is carried out the nitrogen inerting handle, and reduces CH
4The concentration of gas, CO gas suppresses the spontaneous combustion of coal storage and is inclined to; CH in monitor value
4Gas concentration, CO gas concentration, one of oxygen concentration or multinomial when exceeding the alarming value scope of setting; When annotating the startup of nitrogen protective device, monitoring host computer all can start acoustic-optic alarm that is installed in silo upper and lower part belt machine room and the ventilation blower that is installed in the silo top automatically.
Be installed in the ventilation blower of silo top belt machine room, be used in time taking away the CH at silo top
4Unnecessary nitrogen in gas and the nitrogen inerting process in time charges into fresh air simultaneously; Be installed in the oxygen sensor of silo upper and lower part belt machine room respectively, be used for detecting the oxygen content in the belt machine room, the whether suitable personnel's entering of the air ambient of judging the belt machine room; Acoustic-optic alarm is installed in silo upper and lower part belt machine room respectively; Because have the staff to walk up and down in the belt machine room; Service equipment, whether the environment that the dress acoustic-optic alarm is used for warning work maintainer belt machine room in the belt machine room safety, when hearing or see sound and light alarm; Withdraw the belt machine room immediately, guarantee personal safety.
The utility model is the control system of chain belt feeder simultaneously, when sound and light alarm is arranged, opens the dedusting valve of associated cans warehouse discharging mouth automatically, drains the nitrogen that leaks from the silo discharging opening.
Work as CH
4When annotating the nitrogen protective device and stop to annotate nitrogen, and belt machine room oxygen level was when being returned to normal value when gas and CO gas content were got back to normal value, and the ventilation blower and the acoustic-optic alarm of the utility model are closed automatically.
Claims (5)
1. a closed silo Environmental security supervising device comprises: signals collecting part, signal Processing/control section, warning device; Described signal acquisition part branch comprises: be used to detect the CO detector of CO gas concentration in the silo, be used to detect CH-in the silo
----
4The CH of gas concentration
4Gas detector is used to detect the oxygen gas detector of oxygen concentration in the silo, is used to detect temperature sensor, the coal seam multi-point temperature measurement cable formula sensor of coal storage temperature in the silo; Described signal Processing/control section comprises: the processing, A/D conversion, the real-time monitoring host computer that shows that are used for acquired signal; Be used for site test, manually operated local operation control box; With the notes nitrogen protective device of monitoring host computer communication, when monitor value wherein or multinomial when exceeding the alarming value scope of setting monitoring host computer start through PLC and annotate the nitrogen protective device and in silo, discharge nitrogen; It is characterized in that: also comprise the ventilation blower that is installed in the silo top, the CH in monitor value
4Gas concentration, CO gas concentration, one of oxygen concentration or multinomial when exceeding the alarming value scope of setting; When annotating the startup of nitrogen protective device, monitoring host computer starts acoustic-optic alarm that is installed in silo upper and lower part belt machine room and the ventilation blower that is installed in the silo top automatically.
2. closed silo Environmental security supervising device according to claim 1 is characterized in that: acoustic-optic alarm is installed in the quantity of silo upper and lower part belt machine room and distinguishes at least 4.
3. closed silo Environmental security supervising device according to claim 1 is characterized in that: the valve of annotating the nitrogen protective device is connected with acoustic-optic alarm, the unlatching of valve, and the interlock acoustic-optic alarm sends the sound and light alarm action.
4. closed silo Environmental security supervising device according to claim 1 is characterized in that: monitoring host computer is the watch-dog with Signal Processing, A/D conversion, real-time Presentation Function.
5. closed silo Environmental security supervising device according to claim 1, it is characterized in that: ventilation blower is installed in silo top belt machine room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201269295U CN202534098U (en) | 2012-03-30 | 2012-03-30 | Closed silo environment safety monitoring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201269295U CN202534098U (en) | 2012-03-30 | 2012-03-30 | Closed silo environment safety monitoring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202534098U true CN202534098U (en) | 2012-11-14 |
Family
ID=47135264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201269295U Expired - Fee Related CN202534098U (en) | 2012-03-30 | 2012-03-30 | Closed silo environment safety monitoring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202534098U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103177536A (en) * | 2013-03-06 | 2013-06-26 | 南京梅山冶金发展有限公司 | Gas detecting and alarming system and controlling method thereof for annular shaft kiln |
| CN106927161A (en) * | 2015-12-29 | 2017-07-07 | 北京普兰德电力技术有限公司 | Coal bunker safety comprehensive governing system |
| CN108318084A (en) * | 2018-04-18 | 2018-07-24 | 山西尚风科技股份有限公司 | Totally-enclosed coal bunker monitors system |
| CN109913244A (en) * | 2019-03-18 | 2019-06-21 | 唐山钢铁集团有限责任公司 | A kind of continuous coking device and technique |
| CN112648633A (en) * | 2020-12-23 | 2021-04-13 | 史琼 | Double-middle-cover coal feeder |
-
2012
- 2012-03-30 CN CN2012201269295U patent/CN202534098U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103177536A (en) * | 2013-03-06 | 2013-06-26 | 南京梅山冶金发展有限公司 | Gas detecting and alarming system and controlling method thereof for annular shaft kiln |
| CN103177536B (en) * | 2013-03-06 | 2015-05-20 | 南京梅山冶金发展有限公司 | Gas detecting and alarming system and controlling method thereof for annular shaft kiln |
| CN106927161A (en) * | 2015-12-29 | 2017-07-07 | 北京普兰德电力技术有限公司 | Coal bunker safety comprehensive governing system |
| CN108318084A (en) * | 2018-04-18 | 2018-07-24 | 山西尚风科技股份有限公司 | Totally-enclosed coal bunker monitors system |
| CN109913244A (en) * | 2019-03-18 | 2019-06-21 | 唐山钢铁集团有限责任公司 | A kind of continuous coking device and technique |
| CN112648633A (en) * | 2020-12-23 | 2021-04-13 | 史琼 | Double-middle-cover coal feeder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20140330 |