CN201662568U - Carbon monoxide detection system of novel coal mill - Google Patents

Carbon monoxide detection system of novel coal mill Download PDF

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Publication number
CN201662568U
CN201662568U CN2009202465313U CN200920246531U CN201662568U CN 201662568 U CN201662568 U CN 201662568U CN 2009202465313 U CN2009202465313 U CN 2009202465313U CN 200920246531 U CN200920246531 U CN 200920246531U CN 201662568 U CN201662568 U CN 201662568U
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CN
China
Prior art keywords
carbon monoxide
detection
housing
sensor
box
Prior art date
Application number
CN2009202465313U
Other languages
Chinese (zh)
Inventor
许晨峰
Original Assignee
北京华圣金程科技有限公司
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Filing date
Publication date
Application filed by 北京华圣金程科技有限公司 filed Critical 北京华圣金程科技有限公司
Priority to CN2009202465313U priority Critical patent/CN201662568U/en
Application granted granted Critical
Publication of CN201662568U publication Critical patent/CN201662568U/en

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Abstract

The utility model provides a carbon monoxide detection system of a novel coal mill. The detection system comprises a housing; a main control system arranged in the housing is in gas path connection with a sampling pump, a three-way electromagnetic valve, a sensor box, a condensing box, a peristaltic pump and an automatic calibration unit; the sensor box is in gas path connection with the automatic calibration unit; the sampling pump is in gas path connection with the three-way electromagnetic valve through two filters; the condensing box is in gas path connection with a filter cleaner through a filter; the three-way electromagnetic valve is in gas path connection with an air pump through a filter; the housing is connected with a probe part; a flow meter is arranged on the automatic calibration unit; two sensors are arranged in the sensor box; and the probe part is arranged outside the housing. The detection system adopts two sensors, can fulfill the carbon monoxide detection function of a single sensor, and can automatically correct drift; and the sensors can conduct self-detection and correction alternately, so as to prolong the working life of the sensors and increase the system detection sensitivity.

Description

A kind of novel coal pulverizer Carbon Monoxide Detection system
Technical field
The utility model relates to a kind of novel coal pulverizer Carbon Monoxide Detection system, belongs to boiler coal pulverizer security detection equipment technical field.
Background technology
If the carbon monoxide content excessive concentration just has the possibility of burning, blast in the flue gas, for any environment that can produce carbon monoxide, all should detect, thereby burning, the blast that meeting produces given warning in advance carbonomonoxide concentration.The coal pulverizer system of thermal power plant can produce CO gas, and if the concentration of carbon monoxide exceeds standard, just have the danger of blast, therefore concerning the coal pulverizer system, detect the concentration of carbon monoxide and carry out carbonomonoxide concentration control and seem extremely important.Prior art adopts common coal pulverizer Carbon Monoxide Detection system constantly to test the carbon monoxide content of gas in the coal pulverizer, it all can be made a response to any fractional increments of carbon monoxide, when the rising of rough burning point produces a large amount of carbon monoxide, detection system can show its concentration change, and can send warning when surpassing alarming value, though common detection system can reach the purpose of detection, but detection system is wanted long-time continual being operated in such environment, the very easy drift that causes the malfunctioning and display result of sensor, cause testing result inaccurate, therefore safety in production has been brought big potential safety hazard.
The utility model content
The purpose of this utility model is in order to overcome the deficiencies in the prior art, and a kind of Carbon Monoxide Detection system of novel coal pulverizer is provided.
The technical scheme of a kind of novel coal pulverizer Carbon Monoxide Detection of the present utility model system is achieved in that
A kind of Carbon Monoxide Detection system of novel coal pulverizer, comprise housing, establish master control system in the described housing, described master control system and sampling pump, three-way solenoid valve, sensor box, condensation box and peristaltic pump, automatically demarcating the unit gas circuit connects, described sensor box is connected with the automatic unit gas circuit of demarcating, described sampling pump is connected with the three-way solenoid valve gas circuit by two filtrators, described condensation box is connected with the filter cleaner gas circuit by a filtrator, described three-way solenoid valve is connected with the pneumatic pump gas circuit by a filtrator, described housing is connected with probe segment, and described automatic demarcation is established flowmeter on the unit; System uses a removable sampling analysis system, gas around the fuel of being clayed into power is drawn into detection system by the sampling probe of particular design, the cooling device that enters in the monitoring system by sampling pipe is the condensation box, remove moisture, drying in the condensation box, cooled sample gas is removed molecule again by filtrator before directly entering detection system.
Two sensors are set in the described sensor box, by the dual sensor alternation, and to the sensor of having a rest by air carry out the drift setting, so not only prolonged the mission life of system, and can make sensor remain the detected state of sensitivity.
Described probe segment is arranged on described outside; the probe segment of sampling is designed to stand the corrosion environment of coal pulverizer outlet; sample gas is from the probe segment collection; the protecting tube of probe segment is to be cast by the special material of anticorrosion antiwear to form, and ingress protection sampling pipe and the detection system of a removable steel filtrator that screws on from dust arranged on its top.
A kind of novel coal pulverizer Carbon Monoxide Detection of the present utility model system has following beneficial effect with respect to prior art:
1, detection system of the present utility model adopts two working sensors, not only can realize the Carbon Monoxide Detection function of single-sensor, but also can carry out the drift of system from normal moveout correction, when the sensor alternation, the sensor self check that can hocket is proofreaied and correct, so not only prolong the mission life of sensor, and increased the sensitivity that system detects;
2, the utility model uses the special material of anticorrosion antiwear to make probe protection tubes, and system regularly carries out blowback to probe, has prevented slagging scorification or obstruction;
3, detection system of the present utility model provides the function of automatic demarcation on the basic parameter setting means, does not need artificial intervention, can finish the setting of basic parameter automatically;
4, core algorithm of the present utility model adopts exclusive line balancing algorithm, and the line balancing algorithm by practical proof can better guarantee system's degree of accuracy and sensitivity;
5, the utility model clear display is simple to operate, the detection sensitivity height.
Description of drawings
Fig. 1 is that the parts of a kind of novel coal pulverizer Carbon Monoxide Detection of the present utility model system connect planimetric map.
Embodiment
Understand the technical solution of the utility model for one of ordinary skill in the art can be known, the existing embodiment that reaches in conjunction with the accompanying drawings does further explanation at large:
The Carbon Monoxide Detection system of a kind of novel coal pulverizer of the present utility model, as shown in Figure 1, comprise housing 16, establish master control system 1 in the housing 16, master control system 1 is arranged on the side in the housing 16, master control system 1 and sampling pump 10, three-way solenoid valve 11, sensor box 8, condensation box 2 and peristaltic pump 5 gas circuits connect, sensor box 8 is connected with automatic unit 6 gas circuits of demarcating, sampling pump 19 is connected with three-way solenoid valve 11 gas circuits by two filtrators 4, condensation box 2 is connected with filter cleaner 3 gas circuits by a filtrator 4, three-way solenoid valve 11 is connected with pneumatic pump 7 gas circuits by a filtrator 4, housing 16 and probe segment 13 are connected by gas circuit, demarcate automatically and establish flowmeter 9 on the unit 6.
It is the first sensor 14 and second sensor 15 that two sensors are set in the sensor box 8, by first sensor 14 and 15 alternations of second sensor, and that sensor of having a rest is carried out the drift setting by air, so not only prolonged the mission life of system, and can make two sensors remain sensitive detected state.
Probe segment 13 is arranged on housing 16 outsides.
Principle of work: sampling pump 19 is extracted into the sample gas in the coal pulverizer system in the system, the sample gas that condensation box 2 will be extracted in the system carries out the temperature reduction, the system that drops to detects under the temperature that needs, the sample gas that filtrator 4 will be extracted into system continues to filter, and the grit in the sample gas filtered out, air is by the switch operating of the first sensor 14 and second sensor 15, the parameter setting of 11 pairs of systems of three-way solenoid valve and the gas control of demarcating the timing signal of unit 6 automatically, first sensor 14 and 15 pairs of sample gas of second sensor and calibrating gas carry out concentration and detect, produce an electric signal output corresponding with concentration, pneumatic pump 7 draw standard gases enter first sensor 14 and second sensor 15 carries out the setting at zero point, the data that the 1 pair of first sensor 14 of master control system and second sensor 15 are passed back are carried out analyzing and processing, calculate by certain line sexual balance algorithm, thereby calculate the concentration of carbon monoxide accurately, demonstration is controlled in operation to total system, probe segment 13 directly inserts the coal pulverizer system, therefrom extracts sample gas.

Claims (3)

1. the Carbon Monoxide Detection system of a novel coal pulverizer, comprise housing, it is characterized in that, establish master control system in the described housing, described master control system and sampling pump, three-way solenoid valve, sensor box, condensation box and peristaltic pump, automatically demarcating the unit gas circuit connects, described sensor box is connected with the automatic unit gas circuit of demarcating, described sampling pump is connected with the three-way solenoid valve gas circuit by two filtrators, described condensation box is connected with the filter cleaner gas circuit by a filtrator, described three-way solenoid valve is connected with the pneumatic pump gas circuit by a filtrator, described housing is connected with probe segment, and described automatic demarcation is established flowmeter on the unit.
2. the Carbon Monoxide Detection system of a kind of novel coal pulverizer according to claim 1 is characterized in that, two sensors are set in the described sensor box.
3. the Carbon Monoxide Detection system of a kind of novel coal pulverizer according to claim 1 is characterized in that, described probe segment is arranged on described outside.
CN2009202465313U 2009-10-30 2009-10-30 Carbon monoxide detection system of novel coal mill CN201662568U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202465313U CN201662568U (en) 2009-10-30 2009-10-30 Carbon monoxide detection system of novel coal mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202465313U CN201662568U (en) 2009-10-30 2009-10-30 Carbon monoxide detection system of novel coal mill

Publications (1)

Publication Number Publication Date
CN201662568U true CN201662568U (en) 2010-12-01

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Application Number Title Priority Date Filing Date
CN2009202465313U CN201662568U (en) 2009-10-30 2009-10-30 Carbon monoxide detection system of novel coal mill

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CN (1) CN201662568U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106324178A (en) * 2015-07-03 2017-01-11 上海戴维蓝普传感技术有限公司 Working method of calibration-free catalytic combustion sensor
CN106383141A (en) * 2016-08-29 2017-02-08 中煤科工集团重庆研究院有限公司 Method and system for inhibiting sensitivity attenuation of catalytic-combustion detecting elements
CN107677330A (en) * 2017-06-22 2018-02-09 广东万和新电气股份有限公司 A kind of current quantity measuring method, controller and water flow sensor
CN110906360A (en) * 2019-11-28 2020-03-24 安诺克斯(北京)环境科技有限公司 Working condition control system and method and main control unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106324178A (en) * 2015-07-03 2017-01-11 上海戴维蓝普传感技术有限公司 Working method of calibration-free catalytic combustion sensor
CN106383141A (en) * 2016-08-29 2017-02-08 中煤科工集团重庆研究院有限公司 Method and system for inhibiting sensitivity attenuation of catalytic-combustion detecting elements
CN107677330A (en) * 2017-06-22 2018-02-09 广东万和新电气股份有限公司 A kind of current quantity measuring method, controller and water flow sensor
CN110906360A (en) * 2019-11-28 2020-03-24 安诺克斯(北京)环境科技有限公司 Working condition control system and method and main control unit

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Legal Events

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GR01 Patent grant
C14 Grant of patent or utility model
CP02 Change in the address of a patent holder

Address after: 100085 Beijing city Haidian District East Road on the 1st house, a power surplus building E block 204

Patentee after: Beijing Huashengjingcheng Science & Technology Co., Ltd.

Address before: 100071, room 4, building 0501, science and technology building, No. 8 West Road, Haidian District, Beijing

Patentee before: Beijing Huashengjingcheng Science & Technology Co., Ltd.

Address after: 100085 Beijing city Haidian District East Road on the 1st house, a power surplus building E block 204

Patentee after: Beijing Huashengjingcheng Science & Technology Co., Ltd.

Address before: 100071, room 4, building 0501, science and technology building, No. 8 West Road, Haidian District, Beijing

Patentee before: Beijing Huashengjingcheng Science & Technology Co., Ltd.

C56 Change in the name or address of the patentee
CX01 Expiry of patent term

Granted publication date: 20101201

CX01 Expiry of patent term