CN101929882B - Debugging method of dry-quenching automatic meter system - Google Patents
Debugging method of dry-quenching automatic meter system Download PDFInfo
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- CN101929882B CN101929882B CN200910053483A CN200910053483A CN101929882B CN 101929882 B CN101929882 B CN 101929882B CN 200910053483 A CN200910053483 A CN 200910053483A CN 200910053483 A CN200910053483 A CN 200910053483A CN 101929882 B CN101929882 B CN 101929882B
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Abstract
The invention relates to the field of a debugging method of a metallurgy equipment electric system, in particular to a debugging method of a dry-quenching automatic meter system. The debugging method of the dry-quenching automatic meter system comprises the following steps in sequence: a, debugging of a conventional meter; b, debugging of a special meter; c, detection test of an input/output assembly; d, analogue test of a meter system; e, cooperative joint-trial of the meter system; and f, no-load linkage trial run. In the invention, through the strictly-designed standard installation and detection reference, the debugging method is simple, safe and reliable and has high work efficiency.
Description
Technical field
The present invention relates to the adjustment method field of metallurgical equipment electrical system, be specially a kind of debugging method of dry-quenching automatic meter system.
Background technology
CDQ is that new in the world at present of being born smelts power-saving technology, and its English name is Coke Dry Quenching, is called for short CDQ.Dry coke quenching is to use circulated inert gas to be thermal barrier, by circulating fan cold recyclegas is imported below the red burnt cooling chamber cooling down high-temperature coke to 250 ℃ and is discharged.Cycling hot conductance behind the absorption coke heat is gone into waste heat boiler and is reclaimed heat, produces steam.After recyclegas cooling, the dedusting, return cooling chamber through blower fan again, so red Jiao of circulation cooling.The steam that coke dry quenching boiler produces or incorporate factory's internal steam pipe net into or send to generating.Dry Quenching Technology is great energy-conservation project, owing in closed system, accomplish the quenching process, compares with common coke wet quenching, can eliminate the discharging of phenol, HCN, H2S, NH3 basically, reduces burnt dirt discharging, and saves the quenching water.Dry coke quenching engineering instrument is the important component part in the dry coke quenching equipment; The center of gravity of its debugging work is main with the debugging of " three " system; Except that the detection debugging of accomplishing field instrument self, also should with the electric specialty close fit, satisfy the needs of main process control system and supplement production control system " three " debugging; Guarantee to accomplish whole process system control, finally reach the manufacturing technique requirent of design.Dry coke quenching engineering instrument kind is many, involve a wide range of knowledge, quantity is big, and conventional instrument has thermal resistance, thermopair, temperature switch, thermometer, pressure switch, pressure gauge, flow switch, flowmeter, flow transmitter, fluid level transmitter, Pressure and Difference Pressure Transmitter, electric control valve, electronic stop valve, digital indicator etc.; Special instrument has Moisture Meter, belt conveyer scale, gamma-rays level-sensing device, the high temperature width of cloth to penetrate thermometer, gas analyzer, PH meter, conductivity meter etc.; Also comprise some I/O assemblies and communication module etc. in addition.The debugging of dry coke quenching engineering automatic meter system can be divided into: the debugging of conventional instrument monomer, the debugging of special instrument, I/O component detection, the debugging of instrument secondary, systems modelling, the single examination of system and zero load joint-trial etc.
Because Dry Quenching Technology belongs to emerging field, only there is enterprise of the man a few family of very few number in the unit of domestic this method of employing, also is in the stage of fumbling for the installation of dry coke quenching equipment, exists much not science, irrational place, and debug process is complicated.
Summary of the invention
In order to overcome the defective of prior art, a kind of safe and reliable electrical equipment adjustment method is provided, the invention discloses a kind of debugging method of dry-quenching automatic meter system.
The present invention reaches goal of the invention through following technical scheme:
A kind of debugging method of dry-quenching automatic meter system; Carry out successively as follows: a. debugging conventional instrument, b. debug special instrument, c. detects simulation test, the e. instrument system of testing in-out box, d. instrument system and cooperates joint-trial and the zero load interlock test run of f., it is characterized in that:
When a. debugging conventional instrument; Conventional instrument carries out monomer preset examination in meter specially debugging chamber; Debugged conventional instrument is carried out sensitivity, positive stroke and revesal, fundamental error and return difference adjustment, debugged conventional instrument press 5 in code requirement work with high scale just, the flyback verification
When c. detecting the test in-out box, use standard signal generator, on the system cabinet respective terminal, add standard analog signal; The simulated field detection signal; Through active station screen viewing corresponding signal displayed value, do minimum value, intermediate value, 3 input detections of maximal value
D. the simulation test of instrument system comprises systems modelling, the systems modelling of operation control circuit and the systems modelling in interlocking of signals loop that detects the indication loop; When detecting the systems modelling in indication loop; With signal generators such as standard meter or the loop tester on-site signal of analog temperature, pressure, flow instrument at the scene; The analogue value comprises the starting point and the terminal point of range, gets 3～10 points; During the systems modelling in interlocking of signals loop; Reach setting value through analogue instrument signal at the scene; Whether relevant interlock program, emergency cut-off, defencive function and the alarm set point of inspection regular event and confirming, the course of action of checkout facility, in proper order, delay parameter.
Described debugging method of dry-quenching automatic meter system; It is characterized in that: when c. detects the test in-out box, use standard signal generator, on the system cabinet respective terminal, add standard analog signal; The simulated field detection signal; Through active station screen viewing corresponding signal displayed value, do 10%, 50%, 90% 3 input and detect, on active station, send analog output signal; The output current of inspection assembly on the respective terminal of control rack is done at 10%, 50%, 90% 3 and is detected output simultaneously.
The present invention is through the installation and the detection reference of strict design specifications, and adjustment method is simple, and is safe and reliable, and operating efficiency is high.
Description of drawings
Fig. 1 is a process flow diagram of the present invention.
Embodiment
Below further specify the present invention through specific embodiment.
Embodiment 1
A kind of debugging method of dry-quenching automatic meter system; After preparation of construction is accomplished, carry out successively as follows: a. debugging conventional instrument, b. debug special instrument, c. detects simulation test, the e. instrument system of testing in-out box, d. instrument system and cooperates joint-trial and the zero load interlock test run of f.
Accomplish following preparation of construction before the debugging beginning:
1. technology is prepared
(1) before the debugging, the project leader must carry out safely, confide a technological secret all commissioning staffs, clearly debugs scope and debugging main points, and the debugging requirement is described.
(2) be familiar with instrument construction drawing and correlation technique data, prepare various debugging recording forms.
(3) commissioning staff must hold the electrician and operates card.
2. debugging condition is prepared
Instrument is once debugged the meter specially debugging chamber (conventional instrument monomer preset examination) of usefulness, should requirement up to specification, as temperature, power supply and about the condition that possessed such as water.
3. debugging is with the preparation of reference instrument instrument
(1), prepares qualified debugging with instrument, instrument and equipment and material according to instrument construction drawing and correlation technique data.
(2) precision of standard meter will be higher than by school instrument secondary.
(3) standard meter will be in the term of validity that is up to the standards.
Can begin debugging after being ready to complete, process flow diagram is as shown in Figure 1.
One, the debugging of conventional instrument
The conventional instrument debugging; Comprise that (like measurement range, range, zero-bit affirmation, degree of accuracy is confirmed, the adjustment of instrument dead band, return difference for visual examination, nameplate affirmation, function and precision checking; The calibration of error; Response time confirms that the instrument insulation characterisitic is confirmed), the test of output signal, warning function test, auxiliary property test, additional function test etc., and carry out state and debug.
1. conventional instrument is debugged main points
(1) before the installation, conventional instrument should carry out monomer preset examination in the meter specially chamber of debugging.Purpose is whether the inspection instrument meets performance index, in transportation and storing process, does not have and damages, and has or not Short Item, defective etc.
(2) instrument monomer debugging should adjust by the requirement of manufacturer specification requirement or country, industry, company standard, debugging standard, verification.
(3) the correct reference instrument instrument of selecting adjustment usefulness provides the test condition that is fit to transferred instrument verification.
(4) by the school instrumentation when the adjustment, should make a service test by the technical requirement and the technical parameter of operation instruction.
(5) should be carried out sensitivity, positive stroke and revesal, fundamental error and return difference adjustment by the school instrument.Specific requirement: the monomer instrumentation must by code requirement do 5 with high scale just, the flyback verification, linear graduation is got 0%, 25%, 50%, 75%, 100% of range usually, non-linear scale is looked actual conditions and is got representational calibration points.
(6) verification detects the instrument that finishes and should compile the engineering drawing item, packs again, prepares against on-the-spot installation the when having ready conditions.
2. pressure, temperature indicating gauge
(1) carries out the accuracy testing and the stability test of figure, the compliant requirement of counting of test.
(2) the band warning device carries out alarm set point by designing requirement and adjusts, its alarm set point should be provided with accurately, the output contact break-make correctly, reliable in action.
3. flow instrument
(1) its manufacturing plant's work certificate of flow instrumentation reply is checked with effectively calibrating proof, carries out parameter and each item adjustment according to the data that product description provides.
(2) should check installment state by design before flow instrument puts into operation, satisfy the installation site requirement.Ground connection is complete and good reliable, otherwise influences measuring accuracy.
4. intelligent pressure, differential pressure transmitter
(1) intelligent transducer is carried out the configuration of various parameters with the special-purpose handheld terminal communicator of coordinative composition of equipments.The main contents of configuration comprise figure item, damping parameter, unit, range, transmission of signal-type, data processing mode of transmitter etc.
(2) when transmitter is carried out verification; Looking the pressure signal scope adopts the hand held force (forcing) pump of standard piston meter, water force (forcing) pump, supporting special pressure module respectively pressure, differential pressure transmitter to be simulated applied voltage test; And detecting the output signal of transmitter with qualified standard meter, the adjustment transmitter makes it satisfy accuracy requirement.
5. liquid level, flow and pressure switch
(1) confirms model, the specification of liquid level, flow and pressure switch and the actuating range that adapts according to designing requirement.
(2) according to the related setting of designing requirement adjustment liquid level, flow and pressure switch.Pressure switch is wanted adjusting of delivered pressure value; Should carry out working value to flow switch adjusts; Should carry out the liquid level working value to level switch and adjust, its value should adhere to specification.
6. liquid level instrument
(1) confirm model, the specification of liquid level instrument and the range ability that adapts according to designing requirement, supporting transmitter should conform to the range specification of detection head.
(2) the pressure sensing type fluid level transmitter also need accurately be located to satisfy the measuring accuracy requirement the physical length of measuring sense line after the completion parameter is provided with.
(3) the output signal of transmitter and additional function are set and confirmed.
(4) use the intelligent communication device that transmitter is carried out distant place communication test.
7. pneumatic and electric control valve
(1) need cooperate operating state and the closed condition of confirming valve with mechanical major before the variable valve action.If integral type, must perform the measure that anti-ultra scope is rotated before the action; Split type movement angle is adjusted topworks separately after confirming, connects upper valve body at last again and makes action checking.
(2) valve core movement of total travel inspection earlier manually has or not clamping stagnation, normal fully after the actuating length and the linear precision of electricity consumption signal imitation test check valve again, pay special attention to check the conversion accuracy and the stability of electricity/pneumatic valve positioner.
(3), should check the reliable in action property of shutoff tightness, total travel action response time, manner of execution and the put limit of stop valve when dissengaged positions to pneumatic cut-off valve.
Should check the positive and negative acting characteristic of variable valve when (4) debugging, should adhere to specification, satisfy the adjusting needs.
(5) after precision and designing requirement are satisfied in action, need the backstop of topworks is locked, moment is adjusted, and repetition test, guarantees reliable, effective.
Two, the debugging of special instrument
Special instrument debugging, the requirement of by specification is carried out.
Three, the detection of in-out box test
1. analog input module
According to the fastener kind of system configuration, use standard signal generator, on the system cabinet respective terminal, add standard analog signal, the simulated field detection signal is through active station screen viewing corresponding signal displayed value.Usually require to do minimum value, intermediate value, 3 input detections of maximal value, 10%, 50%, 90% 3 point is made in the requirement that has.
Different analog input module is required that different input signals is arranged, distinguish the analog input module of passive, active, thermopair, thermal resistance, the input various signals is also carried out verification, guarantees that analog input module satisfies the assurance accuracy requirement of equipment.
2. simulation output precision
On active station, send analog output signal,, on the respective terminal of control rack, check the output current of assembly simultaneously like the aperture instruction of valve.Minimum value, intermediate value, 3 detection outputs of maximal value are done in requirement, and 10%, 50%, 90% 3 point is made in the requirement that has, and guarantees to simulate output precision and satisfies accuracy requirement.
3. digital input module
Through do the test of open and close signal with shorting stub or voltage signal analog contacts, whether the input lamp of inspection assembly is normally lighted on terminal cabinet, on active station, observes the signal accepting state of respective point position simultaneously and writes down the corresponding action state.
4. digital output precision
On active station, set the open and close state and switch, in the break-make of terminal cabinet inspection corresponding output end or the action situation of corresponding relay.
Four, the simulation test of instrument system
Blind controller system and electric, three complete electric control systems of computing machine composition need to accomplish whole interface testings before systems modelling.
Accomplish in all monomer instrument and the modulated examination of equipment, when the scene possesses the simulation test requirement, can site monomer instrument and the single system of indoor demonstration control instrument composition be carried out the static simulation test.
1. the condition of systems modelling
The in-situs tester table in the simulation test scope and the installation of topworks are accomplished; Instrument cable all lays and finishes, and Insulation Test is qualified; The modulated examination of relevant speciality is accomplished, and accomplishes with the interface test of PLC/DCS; Adjusting of various technological parameters all confirmed.
2. detect the systems modelling in indication loop
With signal generators such as standard meter or the loop tester on-site signal of instrument such as analog temperature, pressure, flow at the scene, whether the indicated value that is associated in the inspection chamber is entirely true, and systematic error should adhere to specification; The analogue value should comprise the starting point and the terminal point of range, is at least 3 points, at most can be to 10 points, and this example is got 5 points; Signal to on-site signal point should be distinguished active, passive and signal kinds; To the monitoring point of warning interlock requirement is arranged, make analog warning test, inspection alarm logging and print-on-alarm function.
3. the systems modelling of operation control circuit
On indoor operational control unit, manually export the steering order of analog or digital signal; Simultaneously switching characteristic, the aperture situation of on-the-spot electrically operated valve, variable valve, indicator, solenoid valve etc. are checked that the action error value should meet precision and designing requirement.
4. the systems modelling in interlocking of signals loop
In each circuit system, need in system, to report to the police and chain signal, reach setting value through analogue instrument signal at the scene, whether relevant interlock program, emergency cut-off, defencive function and the alarm set point of inspection regular event and confirming.
Reach setting value through certain instrument signal of simulation at the scene or on the operational control unit; After control system is carried out data processing through function calculation, sequential control etc.; The course of action of inspection relevant device, in proper order, whether parameter such as time-delay meet design requirement, and finally satisfy the production-line technique requirement.
Five, instrument system cooperates joint-trial
Finish and detect under the normal situation in the test working of equipment monomer, can carry out instrument system and cooperate joint-trial.
In joint-trial; The instrument specialty should with mechanical, electrical each professional close fit; Detect, control by platform equipment and operation automatically according to the order of technological process, the Interlock Status of the running order of equipment, delay time, instrument shows signal, relevant device etc. is confirmed one by one.
Six, zero load interlock test run
Field erected equipment has passed through and has supplied just can get into zero load interlock test run after the debugging of distribution debugging, Electrified Transmission debugging, instrument and meter for automation and automation control system.
The communication in requirement, test run order, check criteria, the test run, record format that test run is confirmed or the like will have a definite purpose before the test run.Also have just in case the counter-measure of the accident that meets accident.
The interlock test run also is the continuation to the equipment component debugging, also is the continuation of inspection application software.So must carry out according to plan, satisfy manufacturing technique requirent fully totally.
Claims (2)
1. debugging method of dry-quenching automatic meter system; Carry out successively as follows: a. debugging conventional instrument, b. debug special instrument, c. detects simulation test, the e. instrument system of testing in-out box, d. instrument system and cooperates joint-trial and the zero load interlock test run of f.; In the d step, comprise the systems modelling of operation control circuit, it is characterized in that:
When a. debugging conventional instrument; Conventional instrument carries out monomer preset examination in meter specially debugging chamber; Debugged conventional instrument is carried out sensitivity, positive stroke and revesal, fundamental error and return difference adjustment, debugged conventional instrument press 5 in code requirement work with high scale just, the flyback verification
When c. detecting the test in-out box, use standard signal generator, on the system cabinet respective terminal, add standard analog signal; The simulated field detection signal; Through active station screen viewing corresponding signal displayed value, do minimum value, intermediate value, 3 input detections of maximal value
D. the simulation test of instrument system also comprises the systems modelling in detection indication loop and the systems modelling in interlocking of signals loop; When detecting the systems modelling in indication loop; With standard meter or the loop tester on-site signal of analog temperature, pressure, flow instrument at the scene; The analogue value comprises the starting point and the terminal point of range, gets 3～10 points; During the systems modelling in interlocking of signals loop; Reach setting value through analogue instrument signal at the scene; Whether relevant interlock program, emergency cut-off, defencive function and the alarm set point of inspection regular event and confirming, the course of action of checkout facility, in proper order, delay parameter.
2. debugging method of dry-quenching automatic meter system as claimed in claim 1; It is characterized in that: when c. detects the test in-out box, use standard signal generator, on the system cabinet respective terminal, add standard analog signal; The simulated field detection signal; Through active station screen viewing corresponding signal displayed value, do 10%, 50%, 90% 3 input and detect, on active station, send analog output signal; The output current of inspection assembly on the respective terminal of control rack is done at 10%, 50%, 90% 3 and is detected output simultaneously.
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| CN102587910A (en) * | 2012-03-01 | 2012-07-18 | 山西中新唐山沟煤业有限责任公司 | Debugging method of automatic working surface device of thin coal seam drum shearer |
| CN103033389B (en) * | 2012-12-29 | 2015-12-23 | 昆明醋酸纤维有限公司 | A kind of method of stand-by boiler interlock test of proterctive equipment |
| CN104142161A (en) * | 2014-07-31 | 2014-11-12 | 天津二十冶建设有限公司 | Quick debugging method for thermal meter on construction site |
| CN107831754A (en) * | 2017-11-09 | 2018-03-23 | 上海高桥捷派克石化工程建设有限公司 | A kind of instrument fault method for removing for ABS composite material process units |
| CN113759814A (en) * | 2021-08-02 | 2021-12-07 | 上海二十冶建设有限公司 | Step-by-step debugging method for tundish car electrical system of continuous casting machine |
| CN113790781B (en) * | 2021-09-15 | 2023-10-27 | 中国航发沈阳黎明航空发动机有限责任公司 | Online calibration method for blade water flow test equipment |
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| CN200955955Y (en) * | 2006-10-12 | 2007-10-03 | 武汉钢铁(集团)公司 | Dry quenched coke tank bias detecting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN200955955Y (en) * | 2006-10-12 | 2007-10-03 | 武汉钢铁(集团)公司 | Dry quenched coke tank bias detecting device |
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