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CN203855599U - Blast-furnace tuyere leakage detecting system - Google Patents

Blast-furnace tuyere leakage detecting system Download PDF

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Publication number
CN203855599U
CN203855599U CN201420296772.XU CN201420296772U CN203855599U CN 203855599 U CN203855599 U CN 203855599U CN 201420296772 U CN201420296772 U CN 201420296772U CN 203855599 U CN203855599 U CN 203855599U
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CN
China
Prior art keywords
module
blast
signal
core cpu
tuyere
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420296772.XU
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Chinese (zh)
Inventor
李玉才
蔡海峰
邓勇
封帆
蒋丰
齐文刚
罗玉红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ELECTRONICS Co Ltd CHONGQING IRON AND STEEL GROUP
Original Assignee
ELECTRONICS Co Ltd CHONGQING IRON AND STEEL GROUP
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Filing date
Publication date
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Priority to CN201420296772.XU priority Critical patent/CN203855599U/en
Application granted granted Critical
Publication of CN203855599U publication Critical patent/CN203855599U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a blast-furnace tuyere leakage detecting system. The blast-furnace tuyere leakage detecting system comprises a liquid inlet flow meter, a liquid outlet flow meter, a computer, a display, a printer and an alarm, wherein the liquid inlet flow meter, the liquid outlet flow meter, the display, the printer and the alarm are respectively connected with the computer; the liquid inlet flow meter is arranged on a tuyere small sleeve water inlet pipe, the liquid outlet flow meter is arranged on a tuyere small sleeve water outlet pipe, and the liquid inlet flow meter and the liquid outlet flow meter are intelligent electromagnetic flow meters. By virtue of the blast-furnace tuyere leakage detecting system, a water tender can master cooling water flow condition of a tuyere at any time indoors, and labour intensity of the water tender is reduced, so that personal safety is guaranteed, and direct and indirect economic benefits of the blast-furnace tuyere leakage detecting system are considerable; a water leakage accident can be timely found, harm of water leakage of a cooling system to a blast furnace can be effectively reduced, and a guarantee is provided for stable and smooth blast furnace production.

Description

A kind of blast-furnace tuyere leak detection system
Technical field
The utility model relates to air port damaged detection field, particularly a kind of blast-furnace tuyere leak detection system.
Background technology
Blast-furnace tuyere cooling system is produced and is played an important role for blast furnace, how to make tuyere blast pipes cooling system adapt to blast furnace modern management, and strengthening smelting etc., are the problems that steel industry is generally concerned about.In the time that new blast furnace is constructed and put into operation, blast furnace various device is complete, and cooling element is intact, cooling system operational excellence, and supporting cooling water system equipment performance is good with it.Along with the carrying out producing, blast-furnace hot-air blowpipe be because high temperature slowly will be burnt, the phenomenon such as vent plug may occur, leak in cooling system, and the lighter makes that blast furnace energy consumption increases, yield reducation, and severe one can cause blowing out, and the situation of blast furnace blast even occurs.Cooling system is hunted leak, and visual leakage situation, instructs in time to blast furnace operating, and therefore the generation avoiding a nasty accident is hunted leak and be very important blast-furnace tuyere cooling system.
Utility model content
In view of this, the purpose of this utility model be to provide be a kind ofly swift in response, highly sensitive, repeated, good stability, blast-furnace tuyere leak detection system that reliability is high.
The purpose of this utility model is achieved through the following technical solutions, a kind of blast-furnace tuyere leak detection system, it is characterized in that: comprise feed liquor under meter, fluid under meter, computer, indicating meter, printer and warning howler, described feed liquor under meter, fluid under meter, indicating meter, printer, warning howler are connected with computer respectively; Described feed liquor under meter is arranged on tuyere small sleeve water inlet pipe, and described fluid under meter is arranged on tuyere small sleeve rising pipe, and described feed liquor under meter and fluid flow are counted intelligent electromagnetic flowmeter; Described intelligent electromagnetic flowmeter comprises flow sensor and transmodulator, and described transmodulator comprises signal input module, excitation signal module, core cpu module, Signal interface module, signal isolation module and human-computer interaction module; Described flow sensor is connected with signal input module, and described signal input module is connected with core cpu module; Described flow sensor is connected with excitation signal module, and described excitation letter thing module is connected with core cpu module; Described human-computer interaction module is connected with core cpu module, and described core cpu module, Signal interface module, signal isolation module are connected successively with computer.
Further, described signal input module comprises the amplification module, filtration module and the A/D sampling module that connect successively, and described amplification module is connected with flow sensor, and described A/D sampling module is connected with core cpu module.
Further, described excitation signal module comprises the excitation signal power amplifier module and the D/A signal generator module that connect successively, and described excitation signal power amplifier module is connected with flow sensor, and described D/A signal generator module is connected with core cpu module.
Further, described human-computer interaction module comprises the keyboard and the display screen that are connected with core cpu module respectively.
Useful technique effect:
Water tender can, in the indoor air port cooling water flow situation of grasping at any time, alleviate water tender's labour intensity, makes personnel safety obtain guarantee, and it directly, indirectly economic benefit is very considerable; Find in time leakage accident, can effectively reduce the cooling system harm causing to blast furnace of leaking, stable, the direct motion of producing for blast furnace provide safeguard.
Brief description of the drawings
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein:
Fig. 1 is the structured flowchart of blast-furnace tuyere leak detection system;
Fig. 2 is electrode structural chart;
Fig. 3 is the sensor construction figure in magnetic flow meter.
Embodiment
Below with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail; Should be appreciated that preferred embodiment is only for the utility model is described, instead of in order to limit protection domain of the present utility model.
A blast-furnace tuyere leak detection system as shown in Figure 1, comprises feed liquor under meter, fluid under meter, computer, indicating meter, printer and warning howler, and described feed liquor under meter, fluid under meter, indicating meter, printer, warning howler are connected with computer respectively; Described feed liquor under meter is arranged on tuyere small sleeve water inlet pipe, and described fluid under meter is arranged on tuyere small sleeve rising pipe, and described feed liquor under meter and fluid flow are counted intelligent electromagnetic flowmeter.
Described intelligent electromagnetic flowmeter comprises flow sensor and transmodulator, and described transmodulator comprises signal input module, excitation signal module, core cpu module, Signal interface module, signal isolation module and human-computer interaction module; Described flow sensor is connected with signal input module, and described signal input module is connected with core cpu module; Described flow sensor is connected with excitation signal module, and described excitation letter thing module is connected with core cpu module; Described human-computer interaction module is connected with core cpu module, and described core cpu module, Signal interface module, signal isolation module are connected successively with computer.
Flowmeter sensor: measure the flow of fluid, and measurement electrical signal is uploaded to signal input module.
Signal input module: the electrical signal conversion that sensor is sent here is delivered to CPU module
Excitation signal module: send excitation signal to flow sensor, make sensor start to detect.
Core cpu module: send initiating signal to excitation signal module, input signal is carried out to computing and judgement, judge that according to the parameter of setting whether signal is effective, and 4~20mA signal that useful signal converts standard to is delivered to Signal interface module.
Human-computer interaction module: for showing data on flows, by keyboard to set up CPU operational parameter.
Signal interface module: 4~20mA signal is delivered to signal isolator, the communication signals of site intelligent mechanical arm is delivered to CPU module.
Signal isolation module: 4~20mA signal is isolated to transmission, and anti-stop signal disturbs.
Computer: gather and show the input signal of different flow meter, by the program of establishment, judge into and out of traffic trends whether within the scope of specification error, and carry out warning function.
Described signal input module comprises the amplification module, filtration module and the A/D sampling module that connect successively, and described amplification module is connected with flow sensor, and described A/D sampling module is connected with core cpu module.
Described excitation signal module comprises the excitation signal power amplifier module and the D/A signal generator module that connect successively, and described excitation signal power amplifier module is connected with flow sensor, and described D/A signal generator module is connected with core cpu module.
Described human-computer interaction module comprises the keyboard and the display screen that are connected with core cpu module respectively.
Install carrying out intelligent electromagnetic flowmeter, meet the flow development length requirement of instrument upstream, the installation of specification instrument, selects the installation site of stow away from heat, rationally uses pipe flow speed, selects highly polished lining.These measures contribute to prevent or reduce the generation of vortex and gas delivery.
As shown in Figure 3, described intelligent electromagnetic flowmeter is two-tube magnetic flow meter, described two-tube magnetic flow meter comprises sensor, described sensor comprises bushing pipe 4, coil 5, electrode 6 and shell, the two ends of described bushing pipe 4 are respectively equipped with ring flange 7, described coil 5 and electrode 6 are arranged on bushing pipe 4, described shell comprises two blocks of identical annular side plates, cross section is semicircular the first half housings 10 and the second half housings 11, two circular side panel are set on bushing pipe 4, each annular side plate 8, seal welding between the outer wall of 9 inner periphery and bushing pipe 4, the first half housings 10 and the second half housings 11 mutually close up and sealing weld is connected into a cylinder, this cylinder is between two blocks of annular side plates, described coil and electrode are all arranged in cylinder, the two-port of described cylinder respectively with two annular volar plate seal weldings.Adopt the sensor of the present embodiment, avoided coil and the electrode in sensor outer housing to make moist, make measurement signal keep stable, improved the measuring accuracy of magnetic flow meter.
As shown in Figure 2, described electrode is T shape electrode, and described T shape electrode comprises T shape structure 1 and protective film 2, and described protective film 2 all covers the liquid level 3 that connects on T shape structure 1.Electrode in the present embodiment is used for to the making of magnetic flow meter, can reduces the consumption of corrosion-resistant metal materials, reduce the electrode cost in magnetic flow meter.
Same air port water-in and water-out under meter pairing is demarcated.In calibration pipeline, two under meters are demarcated simultaneously, set respectively its orifice coefficient, the data that two under meters are detected in calibration pipeline are identical, then while installation at the scene, be strict with the under meter having matched is arranged on the water-in and water-out pipeline in same air port, ensure to detect the accuracy of data.
Use leak detection system described in the utility model, water tender can, in the indoor air port cooling water flow situation of grasping at any time, alleviate water tender's labour intensity, makes personnel safety obtain guarantee, and it directly, indirectly economic benefit is very considerable; Find in time leakage accident, can effectively reduce the cooling system harm causing to blast furnace of leaking, stable, the direct motion of producing for blast furnace provide safeguard.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if these amendments of the present utility model and within modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.

Claims (4)

1. a blast-furnace tuyere leak detection system, it is characterized in that: comprise feed liquor under meter, fluid under meter, computer, indicating meter, printer and warning howler, described feed liquor under meter, fluid under meter, indicating meter, printer, warning howler are connected with computer respectively; Described feed liquor under meter is arranged on tuyere small sleeve water inlet pipe, and described fluid under meter is arranged on tuyere small sleeve rising pipe, and described feed liquor under meter and fluid flow are counted intelligent electromagnetic flowmeter; Described intelligent electromagnetic flowmeter comprises flow sensor and transmodulator, and described transmodulator comprises signal input module, excitation signal module, core cpu module, Signal interface module, signal isolation module and human-computer interaction module; Described flow sensor is connected with signal input module, and described signal input module is connected with core cpu module; Described flow sensor is connected with excitation signal module, and described excitation letter thing module is connected with core cpu module; Described human-computer interaction module is connected with core cpu module, and described core cpu module, Signal interface module, signal isolation module are connected successively with computer.
2. blast-furnace tuyere leak detection system according to claim 1, it is characterized in that: described signal input module comprises the amplification module, filtration module and the A/D sampling module that connect successively, described amplification module is connected with flow sensor, and described A/D sampling module is connected with core cpu module.
3. blast-furnace tuyere leak detection system according to claim 2, it is characterized in that: described excitation signal module comprises the excitation signal power amplifier module and the D/A signal generator module that connect successively, described excitation signal power amplifier module is connected with flow sensor, and described D/A signal generator module is connected with core cpu module.
4. blast-furnace tuyere leak detection system according to claim 2, is characterized in that: described human-computer interaction module comprises the keyboard and the display screen that are connected with core cpu module respectively.
CN201420296772.XU 2014-06-05 2014-06-05 Blast-furnace tuyere leakage detecting system Expired - Fee Related CN203855599U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420296772.XU CN203855599U (en) 2014-06-05 2014-06-05 Blast-furnace tuyere leakage detecting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420296772.XU CN203855599U (en) 2014-06-05 2014-06-05 Blast-furnace tuyere leakage detecting system

Publications (1)

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CN203855599U true CN203855599U (en) 2014-10-01

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106292586A (en) * 2016-08-15 2017-01-04 潍柴动力股份有限公司 The cooling water monitoring system of furnace cupola
CN106483003A (en) * 2016-11-02 2017-03-08 重庆钢铁集团电子有限责任公司 Coal gas pretreatment system for comprehensive gas analysis and its control method
CN111518975A (en) * 2020-06-16 2020-08-11 攀钢集团西昌钢钒有限公司 Blast furnace tuyere small sleeve damage monitoring method and system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106292586A (en) * 2016-08-15 2017-01-04 潍柴动力股份有限公司 The cooling water monitoring system of furnace cupola
CN106483003A (en) * 2016-11-02 2017-03-08 重庆钢铁集团电子有限责任公司 Coal gas pretreatment system for comprehensive gas analysis and its control method
CN111518975A (en) * 2020-06-16 2020-08-11 攀钢集团西昌钢钒有限公司 Blast furnace tuyere small sleeve damage monitoring method and system

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Chongqing Iron and Steel Group Electronics Co.,Ltd.

Assignor: CHONGQING IRON & STEEL (GROUP)Co.,Ltd.

Contract record no.: 2016500000008

Denomination of utility model: Blast-furnace tuyere leakage detecting system

Granted publication date: 20141001

License type: Exclusive License

Record date: 20160419

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141001

CF01 Termination of patent right due to non-payment of annual fee