CN109307738A - A kind of chlorine alarm calibration method and calibrating installation - Google Patents
A kind of chlorine alarm calibration method and calibrating installation Download PDFInfo
- Publication number
- CN109307738A CN109307738A CN201711133469.2A CN201711133469A CN109307738A CN 109307738 A CN109307738 A CN 109307738A CN 201711133469 A CN201711133469 A CN 201711133469A CN 109307738 A CN109307738 A CN 109307738A
- Authority
- CN
- China
- Prior art keywords
- chlorine
- alarm
- gas
- calibration
- flow controller
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/0052—Specially adapted to detect a particular component for gaseous halogens
Abstract
The invention proposes a kind of chlorine alarm calibration method and calibrating installation, this method specifically: using pure chlorine as Standard Gases, pure air or nitrogen are spirit；Pure chlorine and spirit are mixed in proportion through the invention, gas concentration is arranged by control gas outlet flow and time, chlorine detection alarm to be measured is calibrated using the record and calculating of data；The parameters such as the chlorine alarm error of indication, repeatability, response time, warning function, null offset and indicating value drift are calibrated respectively.The chlorine alarm calibrating installation includes: gas passage part for mixed gas, importation is used to adjust the data setting of gas outlet and operator control panel, output par, c exports calibration information for print data and display, and data processing section is obtained a result for operation calibration data.The present invention solves the problems, such as the inspection of chlorine warning device school, and deterministic process and judgment criteria meet professional standard, and evaluation method is reasonable, and calibration is accurate.
Description
Technical field
The present invention relates to a kind of chlorine alarm calibration method and calibrating installation, especially a kind of integrated correction chlorine alarm
The corresponding chlorine calibrating installation of the method and this method of device.
Background technique
Chlorine detection alarm is the electronic instrument for detecting chlorine gas concentration in environment.Chlorine detection alarm can be made
As portable alarm, it is also possible to be mounted on the fixation position for being easy to happen chlorine leakage.When detecting in environment
When the concentration of chlorine meets or exceeds preset alarming value, chlorine alarm can issue acousto-optic and vibration alarm signal.Chlorine detection
Alarm is widely used in chemical industry for making chlorine and alkali, has the life for storing the chlorine such as warehouse in laboratory and chlorine cylinder existing for chlorine
It produces, the industrial site of storage and transport, can effectively prevent poisoning, explosion accident, ensure the safety of life, property.
2013, State Administration for Quality Supervision and Inspection and Quarantine has issued JJG1433-2013, and " chlorine detected alarm calibration
Specification ", it provides every Testing index of chlorine detector and sentences mark method.According to JJG1433-2013 " chlorine detection alarm
Instrument calibrating standard " in every detection technical parameter and detection method.Design, buying, assembling, so as to complete well
To the detection of the various transmission of quantity value of chlorine detection alarm in JJG1433-2013 " chlorine detects alarm calibrating standard "
Mesh.The error of indication, repeatability, response time, warning function and drift to alarm is detected with chlorine in specification at present, as
A kind of measuring instrument, chlorine detection alarm never have corresponding calibration method and calibrating installation.Alarm is detected in chlorine
The transmission of quantity value for needing to complete chlorine detection alarm before coming into operation, needs to realize the chlorine report by the equipment of complete set
The detection method of alert device completes the school inspection of chlorine detection each function of alarm, it is ensured that its is no normally, accurately to work.
Summary of the invention
The present invention provides a kind of chlorine alarm calibration method and calibrating installations, solve and determine chlorine by code requirement
The operating method examined to school is completed in the error of indication, repeatability, response time, warning function and the drift for detecting alarm, and is set
It has counted and the equipment that chlorine detects the inspection of alarm school is completed by this method, specific technical solution is as follows:
A kind of chlorine alarm calibrating installation, chlorine calibrating installation include: gas passage part for mixed gas, are obtained
Normal mixture body；Gas passage includes nitrogen gas tank, pure air tank, chlorine pot, flow controller, gas flowmeter and standard
Gas mixing arrangement；Wherein nitrogen gas tank, pure air tank and chlorine pot are connected with Standard Gases mixing arrangement respectively by gas piping,
Gas flowmeter and flow controller are provided on gas piping；Standard Gases mixing arrangement by gas piping be separately connected to
Survey chlorine detection alarm and blowdown piping；Importation is for adjusting flow controller work；Importation includes operator control panel,
Normal mixture bulk concentration, adjusts the air inlet ratio of flow controller needed for being inputted by operator control panel；Output par, c is for printing number
Calibration information is exported according to display, output par, c includes printer and display；Printer is for printing testing result table
And detection intermediate record numerical value；Display is for showing timing situation, gas flow, normal mixture preparation situation and calibration
As a result；Data processing section obtains calibration result for operation calibration data, and data processing section includes.
Preferably, chlorine alarm calibrating installation local environment temperature is 15-35 DEG C, and relative air humidity is less than etc.
In 85%.
It is also preferred that flow controller control range of flow is 0-1200mL/min.
A kind of chlorine alarm calibration method, which is characterized in that the chlorine alarm calibration method specifically: with pure chlorine
Gas is Standard Gases, and pure air or nitrogen are spirit；Pure chlorine and spirit are mixed in proportion, by control gas outlet flow and
Gas concentration is arranged in time, obtains normal mixture body；Data processing section calculates chlorine to be measured using the data of record and examines
Survey the calibration result of alarm.
Preferably, the chlorine alarm calibration process successively calibrates the error of indication, response time, drift, repeatability
And warning function.
It may further be preferable that the error of indication is calibrated are as follows: chlorine detection alarm is placed on school inspection device and placed by the first step
On device, opens chlorine and detect alarm；Second step opens the flow controller of chlorine and spirit, passes the gas through flow control
Device and flowmeter processed enter Standard Gases mixing arrangement；Third step, gas after flowmeter by being input in Standard Gases mixing arrangement
Chlorine to be measured detects alarm, record reading；4th step repeats the mark that second step obtains 20%, 40%, 60% and 80% respectively
Quasi- gaseous mixture repeats third step, the normal mixture duplicate measurements of every kind of concentration 3 times；5th step will be remained by bypass flow meter
Remaining normal mixture body emptying, calculates error of indication size；
It may further be preferable that repeatability calibration are as follows: chlorine detection alarm is placed on school inspection device and places dress by the first step
It sets, opens chlorine and detect alarm；Second step opens the flow controller of chlorine and spirit, passes the gas through flow control
Device and flowmeter enter Standard Gases mixing arrangement, obtain the standard mixing of chlorine detection alarm full scale 50% to 70% to be measured
Gas；Third step, gas detects alarm by being input to chlorine to be measured after flowmeter in Standard Gases mixing arrangement, after indicating value is stablized
Record reading；4th step repeats third step after chlorine detects alarm return-to-zero；5th step, will be remaining by bypass flow meter
The emptying of normal mixture body, calculates repeatability；
It may further be preferable that the response time calibrates are as follows: chlorine detection alarm is placed on school inspection device and placed by the first step
On device, opens chlorine and detect alarm, be passed through nil norm gas；Second step opens the flow controller of chlorine and spirit,
It passes the gas through flow controller and flowmeter enters Standard Gases mixing arrangement, obtain chlorine detection alarm full scale to be measured
60% normal mixture；Third step, gas is by being input to chlorine detection report to be measured after flowmeter in Standard Gases mixing arrangement
Alert device, indicating value record reading after stablizing；4th step removes normal mixture body and continues after chlorine detection alarm return-to-zero to be measured
It is passed through normal mixture while using stopwatch calculator timing, when chlorine to be measured detection alarm shows that numerical value reaches stable reading
90% when stop timing, repeat this step 3 times；Remaining normal mixture body is vented by the 5th step by bypass flow meter, meter
Calculate the response time；
It may further be preferable that warning function is calibrated are as follows: chlorine detection alarm is placed on school inspection device and placed by the first step
On device, opens chlorine and detect alarm；Second step opens the flow controller of chlorine and spirit, passes the gas through flow control
Device and flowmeter processed enter Standard Gases mixing arrangement, first open spirit flow controller, keep gas in Standard Gases mixing arrangement logical
Cross chlorine detection alarm；Third step keeps in Standard Gases mixing arrangement gas by chlorine detection alarm, then by cl gas flow
Amount controller is slowly opened, and incrementally increases chlorine gas concentration in Standard Gases mixing arrangement, when record chlorine detection alarm equipment alarm
Concentration value, and record whether chlorine detection alarm equipment alarm function is normal, and duplicate measurements simultaneously records 3 times；4th step passes through bypass
Remaining normal mixture body is vented by flowmeter, calibrates warning function；
It may further be preferable that drift calibration, including null offset calibration and indicating value drift calibration, specifically: the first step,
It opens chlorine and detects alarm；Second step opens the flow controller of spirit, pass the gas through flow controller and flowmeter into
Enter Standard Gases mixing arrangement, and alarm is detected by chlorine, instrument is returned to zero, record zeroing zero point value；Third step opens chlorine
The flow controller of gas and spirit, passes the gas through flow controller and flowmeter enters Standard Gases mixing arrangement, obtains to be measured
Chlorine detects the normal mixture of alarm full scale 60%, reads and records measured value, be subsequently passed zero gas, reads and remember
Record measured value；4th step keeps chlorine detection alarm continuous work 6h to be measured, is repeated once third step every 1h；5th step,
Drift calibration calculates.
The beneficial effect comprise that
1. solving the problems, such as the inspection of chlorine warning device school by designing a kind of chlorine alarm calibrating installation, judging
Journey and judgment criteria meet professional standard, and evaluation method is reasonable, and calibration result is accurate.
2. a kind of chlorine alarm calibration method proposed by the present invention meets professional standard, calibration process design is reasonable, leads to
The improvement to calibration process sequence is crossed, reduces the consumption of chlorine and spirit, saves calibration steps, by digitized record and right
The monitoring of chlorine alarm calibrating installation and the record that process data is examined to school reduce chlorine discharge and save the time, protect simultaneously
The safety of chlorine alarm school inspection staff is hindered.
Detailed description of the invention
Fig. 1 is that chlorine of the present invention detects alarm calibrating installation schematic diagram；
Fig. 2 is that chlorine detects alarm calibration method flow chart；
Fig. 3 is that chlorine detects alarm calibrating installation schematic diagram；
Fig. 4 is that chlorine detects alarm calibration method flow chart；
Fig. 5 is standard mixing arrangement reconstruction structure schematic diagram；
Fig. 6 is that device placing device structural schematic diagram is examined in school；
Description of symbols: 11- chlorine pot；12- nitrogen gas tank；13- pure air tank；2- Standard Gases mixing arrangement；The school 3-
Examine pipeline；4- blowdown piping；51,52,53,54,55- flow controller；61,62,63,64- gas flowmeter；Examine device peace in the school 7-
Put device；71,72- chlorine detects alarm socket；73- valve；81,82- chlorine gas processing device.
Specific embodiment
In conjunction with shown in attached drawing, the specific embodiment of the invention is as follows:
Embodiment 1
As shown in Figure 1, a kind of chlorine calibrating installation, chlorine calibrating installation includes gas passage part, importation, output
Part and data processing section.Gas passage part is used for mixed gas, obtains normal mixture body；Gas passage includes nitrogen
Tank 12, pure air tank 13, chlorine pot 12, flow controller (51,52,53,54,55), gas flowmeter (61,62,63,64)
With Standard Gases mixing arrangement 2；Wherein nitrogen gas tank 12, pure air tank 13 and chlorine pot 12 by gas piping respectively with Standard Gases
Mixing arrangement 2 is connected, and gas flowmeter and flow controller are provided on gas piping；Standard Gases mixing arrangement 2 passes through gas
Body pipeline is separately connected chlorine detection alarm and blowdown piping 4 to be measured.Importation is for adjusting flow controller work；It is defeated
Entering part includes operator control panel, normal mixture bulk concentration needed for being inputted by operator control panel, by the air inlet for adjusting flow controller
Than obtaining the normal mixture of various concentration.Output par, c exports calibration information, output par, c for print data and display
Including printer and display；Printer is for printing testing result table and detection intermediate record numerical value；Display is used for
Show timing situation, gas flow, normal mixture preparation situation and calibration result.Data processing section calibrates number for operation
According to obtaining calibration result.
As shown in Fig. 2, a kind of chlorine alarm calibration method, the chlorine alarm calibration method specifically: with pure chlorine
Gas is Standard Gases, and pure air or nitrogen are spirit；Pure chlorine and spirit are mixed in proportion, by control gas outlet flow and
Gas concentration is arranged in time, obtains normal mixture body；Data processing section calculates chlorine to be measured using the data of record and examines
Survey the calibration result of alarm.
Error of indication calibration: chlorine detection alarm is placed on school inspection device placing device, chlorine is detected by the first step
Alarm is placed on school inspection device placing device, is opened chlorine and is detected alarm；Second step opens the flow control of chlorine and spirit
Device processed, passes the gas through flow controller and flowmeter enters Standard Gases mixing arrangement；Third step, gas in Standard Gases mixing arrangement
Body is input to chlorine detection alarm to be measured, record reading after passing through flowmeter；4th step repeats second step and obtains respectively
20%, 40%, 60% and 80% normal mixture repeats third step, the normal mixture duplicate measurements of every kind of concentration 3 times；
Remaining normal mixture body is vented by the 5th step by bypass flow meter, calculates error of indication size.
Repeatability calibration: chlorine detection alarm is placed on school inspection device placing device, opens chlorine detection by the first step
Alarm；Second step opens the flow controller of chlorine and spirit, passes the gas through flow controller and flowmeter enters standard
Gas mixing arrangement obtains the normal mixture of chlorine detection alarm full scale 50% to 70% to be measured；Third step, Standard Gases are mixed
It attaches together and sets interior gas by being input to chlorine detection alarm to be measured after flowmeter, record is read after indicating value is stablized；4th step, to
After chlorine detects alarm return-to-zero, third step is repeated；Remaining normal mixture body is vented by the 5th step by bypass flow meter,
Calculate repeatability.
Response time calibration: chlorine detection alarm is placed on school inspection device placing device, opens chlorine inspection by the first step
Alarm is surveyed, nil norm gas is passed through；Second step opens the flow controller of chlorine and spirit, passes the gas through flow control
Device and flowmeter processed enter Standard Gases mixing arrangement, obtain the normal mixture of chlorine detection alarm full scale 60% to be measured；
Third step, gas detects alarm by being input to chlorine to be measured after flowmeter in Standard Gases mixing arrangement, and indicating value stablizes postscript
Record reading；4th step, removes normal mixture body, after chlorine detection alarm return-to-zero to be measured, continues to be passed through normal mixture same
When use the timing of stopwatch calculator, when chlorine to be measured detection alarm show numerical value reach stablize reading 90% when stop meter
When, it repeats this step n times (wherein n >=3)；Remaining normal mixture body is vented by the 5th step by bypass flow meter, is calculated and is rung
Between seasonable.
Warning function calibration: chlorine detection alarm is placed on school inspection device placing device, opens chlorine inspection by the first step
Survey alarm；Second step opens the flow controller of chlorine and spirit, passes the gas through flow controller and flowmeter enters mark
Quasi- gas mixing arrangement first opens spirit flow controller, and gas is made in Standard Gases mixing arrangement to detect alarm by chlorine；The
Three steps keep gas in Standard Gases mixing arrangement slowly to open by chlorine detection alarm, then by chlorine flow controllers, by
Step increases chlorine gas concentration in Standard Gases mixing arrangement, and record chlorine detects concentration value when alarm equipment alarm, and records chlorine inspection
Whether normal survey alarm warning function, duplicate measurements simultaneously records 3 times；4th step is mixed remaining standard by bypass flow meter
Gas emptying is closed, warning function is calibrated.
Drift calibration, including null offset calibration and indicating value drift calibration: the first step opens chlorine and detects alarm；The
Two steps open the flow controller of spirit, pass the gas through flow controller and flowmeter enters Standard Gases mixing arrangement, and lead to
Chlorine detection alarm is crossed, instrument is returned to zero, record zeroing zero point value；Third step opens the flow controller of chlorine and spirit,
It passes the gas through flow controller and flowmeter enters Standard Gases mixing arrangement, obtain chlorine detection alarm full scale to be measured
60% normal mixture reads and records measured value, is subsequently passed zero gas, reads and records measured value；4th step is kept
Chlorine to be measured detects alarm continuous work 6h, is repeated once third step every 1h；5th step, drift calibration calculate.
A kind of chlorine alarm calibrating installation and school detecting method that the present embodiment proposes solve the inspection of chlorine warning device school
Present in school detecting method it is indefinite, school checking device is complicated and is difficult to realize the problem of accurate, quick, intelligent control school is examined, school
The deterministic process and judgment criteria of detecting method and school checking device meet professional standard, and evaluation method is reasonable, and calibration result is accurate
Embodiment 2
As shown in figure 3, the present embodiment is described further to the chlorine alarm calibrating installation in embodiment 1, tool
Body is as follows:
A kind of chlorine calibrating installation, chlorine calibrating installation include gas passage part, importation, output par, c and data
Handle part.For chlorine calibrating installation local environment temperature between 15-35 DEG C, relative air humidity is less than or equal to 85%.
Gas passage portion point including nitrogen gas tank 12, pure air tank 13, chlorine pot 12, flow controller (51,52,53,
54,55), gas flowmeter (61,62,63,64) and Standard Gases mixing arrangement 2.Chlorine passes through respectively with nitrogen or pure air
The gas flowmeter and flow controller being arranged on gas piping, are passed through in Standard Gases mixing arrangement.The Standard Gases mixing dress
It is provided with gas dilution device in setting, is equipped with movable plate 9 in Standard Gases mixing arrangement 2, movable plate 9 can be along Standard Gases mixing arrangement
Inner wall sliding, thus the space size in adjustment criteria gas mixing arrangement.Wherein nitrogen gas tank 12, pure air tank 13 and chlorine pot
12 are connected with Standard Gases mixing arrangement 2 respectively by gas piping, and gas flowmeter and flow control are provided on gas piping
Device processed；It is 500-1200mL/min that flow controller, which controls range of flow,.Standard Gases mixing arrangement 2 is distinguished by gas piping
It connects blowdown piping 4 and pipeline 3 is examined in school, school examines pipeline 3 and normal mixture is passed through chlorine detection alarm and blow-down pipe to be measured
Remaining normal mixture is vented by road 4.Flow controller 54, gas flowmeter 64 and school inspection device peace are provided on school inspection pipeline 3
Put device 7；It is provided with pressure reducing valve 41 and blower 42 on blowdown piping 4, facilitates remaining normal mixture to discharge, ensure that Standard Gases
Without remaining hybrid standard gas in mixing arrangement.Pure air tank or nitrogen gas tank are directly examined device with school by zero gas pipeline 9 and are pacified
It puts device 7 to be connected, and flow controller is set on pipeline, the design of this pipeline facilitates the zero of chlorine calibrator.It is putting
Blank pipe road and the end of school inspection pipeline are connected with chlorine gas processing device (81,82), and chlorine gas processing device 7 uses NaOH solution or life
The alkali electroless reagent such as lime removes chlorine, reduces chlorine discharge, guarantees the safety of discharge gas.
For adjusting flow controller work, importation is connected with controller for the importation of chlorine calibrating installation；It is defeated
Entering part includes operator control panel, and normal mixture bulk concentration, adjusts the air inlet ratio of flow controller needed for being inputted by operator control panel.It is defeated
Part exports calibration information for print data and display out, and output par, c includes printer and display；Printer is used for
Print testing result table and detection intermediate record numerical value；Display is for showing timing situation, gas flow, standard mixing
Gas prepares situation and calibration result.Data processing section obtains calibration result for operation calibration data.
The present embodiment facilitates the rapid zero of chlorine detection alarm school inspection process by setting zero gas pipeline,
The use of chlorine and spirit is saved；The remaining gas of normal mixture is subjected to treatment and purification provided with chlorine gas processing device,
It ensure that the safety of school inspection staff；By the improvement to Standard Gases mixing arrangement, by adjustment criteria gas mixing arrangement
The size in space facilitates the preparation of normal mixture body, is conducive to save spirit and chlorine, facilitates and adjust air pressure and standard
Mixture strength is adjusted；It is provided with pressure reducing valve and blower on blowdown piping, facilitates remaining normal mixture to discharge, ensure that mark
Without remaining hybrid standard gas in quasi- gas mixing arrangement；It is examined by school and different chlorine detection alarm sockets is set on device placing device
Realize that the school to different types of chlorine detection alarm is examined.
Embodiment 3
As shown in figure 4, the present embodiment be to the further improved explanation of chlorine alarm calibration method in embodiment 1,
It is specific as follows:
A kind of chlorine alarm calibration method specifically: using pure chlorine as Standard Gases, pure air or nitrogen are bottom
Gas；Pure chlorine and spirit are mixed in proportion, obtain normal mixture；Using Standard Gases mixing arrangement and flow controller and
Gas concentration is arranged by controlling flow and the time of outlet in flowmeter；It obtains normal mixture body and is passed through chlorine inspection to be measured
Alarm data processing section is surveyed using the data of record, calculates the calibration result of chlorine detection alarm to be measured.Indicating value is missed
The calibration that difference, response time, drift, repeatability and warning function are successively calibrated.
Be error of indication calibration first: chlorine detection alarm is placed on school inspection device placing device, beats by the first step
Open chlorine detection alarm；Second step opens the flow controller of chlorine and spirit, passes the gas through flow controller and flow
Meter enters Standard Gases mixing arrangement；Third step, gas is by being input to chlorine inspection to be measured after flowmeter in Standard Gases mixing arrangement
Survey alarm, record reading；4th step repeats the normal mixture that second step obtains 20%, 40%, 60% and 80% respectively,
Third step is repeated, the normal mixture duplicate measurements of 20%, 60%, 40% and 80% concentration 3 times records every kind of concentration standard
Gaseous mixture survey measurements numerical value Cs, wherein when continuing to be passed through normal mixture that concentration is 60% while using stopwatch calculator meter
When, and at the same time stopping timing to when chlorine to be measured detection alarm shows that numerical value reaches stablize reading 90%, record is every
Secondary stopwatch times ts；；Step 5: first closing the flow controller on school inspection pipeline, the flow controller on zeroing pipeline is opened,
Instrument is returned to zero and records Czo；The flow controller being then turned off on zeroing pipeline, the flow controller opened on school inspection pipeline are read
Take Cs0, it is then passed through zero gas again；The normal mixture for keeping 60% concentration in Standard Gases mixing arrangement, repeats measurement 6
It is secondary, it is measured 1 time every 1h, wherein zero point value is denoted as Czi, normal mixture stablize indicating value be denoted as Csi,；6th step, calculating 20%,
40%, every group of survey measurements average value C is mixed remaining standard by bypass flow meter when 60% and 80% normal mixture
Gas emptying is closed, the size of error of indication Δ C, calculation formula are calculated are as follows:
The measurement data chlorine detection alarm that 60% normal mixture is saved in carrying out error of indication calibration process shows
Value, for carrying out response time calibration, calculation formula are as follows: t=ts/n。
The measurement data stopwatch times t of 60% normal mixture is saved in carrying out error of indication calibration processs, for into
Row null offset and indicating value drift calibration, null offset calculation formula areIndicating value driftmeter
Calculate formula are as follows:
The measurement data that 60% normal mixture is saved in carrying out error of indication calibration process, for carrying out repeated school
Quasi- repeatability calculation formula are as follows:
After being calibrated to the error of indication, response time, drift and repeatability, finally progress warning function calibration: first
Chlorine detection alarm is placed on school inspection device placing device, opens chlorine and detect alarm by step；Second step opens chlorine
With the flow controller of spirit, passes the gas through flow controller and flowmeter enters Standard Gases mixing arrangement, first open spirit
Flow controller makes in Standard Gases mixing arrangement gas detect alarm by chlorine；Third step keeps Standard Gases mixing arrangement
Interior gas detects alarm by chlorine, then chlorine flow controllers are slowly opened, and incrementally increases in Standard Gases mixing arrangement
Chlorine gas concentration, record chlorine detect concentration value when alarm equipment alarm, and whether just to record chlorine detection alarm equipment alarm function
Often, duplicate measurements and record 3 times；Remaining normal mixture body is vented by the 4th step by bypass flow meter, calibration alarm function
Energy.
After completing school inspection, the flow controller of pure air or nitrogen is opened to maximum, is opened simultaneously on blowdown piping
The flow controller on pipeline, remaining chlorine in remove device are examined in blower and school.
The present embodiment has saved the calibration of chlorine alarm by the improvement to chlorine alarm calibration method and calibration process
The step of, keep school inspection process more convenient, using the data of record to the error of indication, response time, drift, repeatability and alarm function
It can be carried out school inspection, keep school inspection step more reasonable, saved the use of chlorine and spirit, improve school inspection efficiency.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made within the essential scope of the present invention also should belong to of the invention
Protection scope.
Claims (10)
1. a kind of chlorine alarm calibrating installation, which is characterized in that chlorine calibrating installation includes:
Gas passage part is used for mixed gas, obtains normal mixture body；Gas passage include nitrogen gas tank, pure air tank,
Chlorine pot, flow controller, gas flowmeter and Standard Gases mixing arrangement；Wherein nitrogen gas tank, pure air tank and chlorine pot are logical
It crosses gas piping to be connected with Standard Gases mixing arrangement respectively, gas flowmeter and flow controller is provided on gas piping；
Standard Gases mixing arrangement is separately connected chlorine to be measured by gas piping and detects alarm and blowdown piping；
Importation is for adjusting flow controller work；Importation includes operator control panel, standard needed for being inputted by operator control panel
Mixed gas concentration adjusts the air inlet ratio of flow controller；
Output par, c exports calibration information for print data and display, and output par, c includes printer and display；Printing
Machine is for printing testing result table and detection intermediate record numerical value；Display is for showing timing situation, gas flow, mark
Quasi- gaseous mixture preparation situation and calibration result；
Data processing section obtains calibration result for operation calibration data, and data processing section includes.
2. a kind of chlorine alarm calibrating installation according to claim 1, which is characterized in that the chlorine alarm calibration
Device local environment temperature is 15-35 DEG C, and relative air humidity is less than or equal to 85%.
3. a kind of chlorine alarm calibrating installation according to claim 1, which is characterized in that the flow controller control
Range of flow is 0-1200mL/min.
4. a kind of chlorine alarm calibrating installation according to any one of claims 1 to 3 carries out the calibration of chlorine alarm
Method, which is characterized in that chlorine alarm calibration method specifically:
Using pure chlorine as Standard Gases, pure air or nitrogen are spirit；Pure chlorine and spirit are mixed in proportion, by controlling out
Gas concentration is arranged in port flow and time, obtains normal mixture body；Data processing section is calculated using the data of record
The calibration result of chlorine detection alarm to be measured.
5. the method for chlorine alarm calibration according to claim 4, which is characterized in that the chlorine alarm was calibrated
Cheng Yici calibrates the error of indication, response time, drift, repeatability and warning function.
6. the method for chlorine alarm calibration according to claim 4 or 5, which is characterized in that the error of indication calibration
Are as follows: chlorine detection alarm is placed on school inspection device placing device, opens chlorine and detect alarm by the first step；Second step is beaten
The flow controller for opening chlorine and spirit, passes the gas through flow controller and flowmeter enters Standard Gases mixing arrangement；Third
It walks, gas detects alarm, record reading by being input to chlorine to be measured after flowmeter in Standard Gases mixing arrangement；4th step,
The normal mixture that second step obtains 20%, 40%, 60% and 80% respectively is repeated, third step, the standard of every kind of concentration are repeated
Gaseous mixture duplicate measurements 3 times；Remaining normal mixture body is vented by the 5th step by bypass flow meter, and it is big to calculate the error of indication
It is small.
7. the method for chlorine alarm calibration according to claim 4 or 5, which is characterized in that the repeatability calibration are as follows:
Chlorine detection alarm is placed on school inspection device placing device, opens chlorine and detect alarm by the first step；Second step is opened
The flow controller of chlorine and spirit, passes the gas through flow controller and flowmeter enters Standard Gases mixing arrangement, obtain to
Survey the normal mixture of chlorine detection alarm full scale 50% to 70%；Third step, gas passes through in Standard Gases mixing arrangement
Chlorine detection alarm to be measured is input to after flowmeter, indicating value records reading after stablizing；4th step, it is multiple to chlorine detection alarm
After zero, third step is repeated；Remaining normal mixture body is vented by the 5th step by bypass flow meter, calculates repeatability.
8. the method for chlorine alarm calibration according to claim 4 or 5, which is characterized in that the response time calibration
Are as follows: chlorine detection alarm is placed on school inspection device placing device, opens chlorine and detect alarm, be passed through zero point by the first step
Calibrating gas；Second step opens the flow controller of chlorine and spirit, passes the gas through flow controller and flowmeter enters mark
Quasi- gas mixing arrangement obtains the normal mixture of chlorine detection alarm full scale 60% to be measured；Third step, Standard Gases mixing dress
It sets interior gas and detects alarm by being input to chlorine to be measured after flowmeter, indicating value records reading after stablizing；4th step removes mark
Quasi- mixed gas continues to be passed through normal mixture while using stopwatch calculator timing after chlorine detection alarm return-to-zero to be measured,
Stop timing when chlorine to be measured detection alarm shows that numerical value reaches stablize reading 90%, repeats this step 3 times；5th
Remaining normal mixture body, is vented by step by bypass flow meter, calculates the response time.
9. the method for chlorine alarm calibration according to claim 4 or 5, which is characterized in that the warning function calibration
Are as follows: chlorine detection alarm is placed on school inspection device placing device, opens chlorine and detect alarm by the first step；Second step is beaten
The flow controller for opening chlorine and spirit, passes the gas through flow controller and flowmeter enters Standard Gases mixing arrangement, first beats
Spirit flow controller is opened, gas is made in Standard Gases mixing arrangement to detect alarm by chlorine；Third step keeps Standard Gases mixed
It attaches together and sets interior gas alarm is detected by chlorine, then chlorine flow controllers are slowly opened, incrementally increase Standard Gases mixing
Chlorine gas concentration in device, record chlorine detect concentration value when alarm equipment alarm, and record chlorine detection alarm equipment alarm function
Whether normal, duplicate measurements simultaneously records 3 times；Remaining normal mixture body is vented by the 4th step by bypass flow meter, calibration report
Alert function.
10. the method for chlorine alarm calibration according to claim 4 or 5, which is characterized in that the drift calibration, packet
Null offset calibration and indicating value drift calibration are included, specifically: the first step opens chlorine and detects alarm；Second step opens spirit
Flow controller, pass the gas through flow controller and flowmeter enter Standard Gases mixing arrangement, and pass through chlorine detection report
Alert instrument, instrument is returned to zero, record zeroing zero point value；Third step opens the flow controller of chlorine and spirit, passes the gas through stream
Amount controller and flowmeter enter Standard Gases mixing arrangement, obtain the standard mixing of chlorine detection alarm full scale 60% to be measured
Gas reads and records measured value, is subsequently passed zero gas, reads and records measured value；4th step keeps chlorine detection report to be measured
Alert device continuous work 6h, is repeated once third step every 1h；5th step, drift calibration calculate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711133469.2A CN109307738A (en) | 2017-11-16 | 2017-11-16 | A kind of chlorine alarm calibration method and calibrating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711133469.2A CN109307738A (en) | 2017-11-16 | 2017-11-16 | A kind of chlorine alarm calibration method and calibrating installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109307738A true CN109307738A (en) | 2019-02-05 |
Family
ID=65205289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711133469.2A Pending CN109307738A (en) | 2017-11-16 | 2017-11-16 | A kind of chlorine alarm calibration method and calibrating installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109307738A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110780041A (en) * | 2019-11-12 | 2020-02-11 | 中国原子能科学研究院 | Online calibration system and method for hydrogen isotope mixed gas concentration detection alarm instrument |
| CN110927346A (en) * | 2019-12-24 | 2020-03-27 | 中国航空工业集团公司西安飞机设计研究所 | Gas concentration test system calibration method and device |
| CN110954652A (en) * | 2019-10-28 | 2020-04-03 | 国网河北省电力有限公司电力科学研究院 | Verification device and verification method |
| CN111024892A (en) * | 2019-11-25 | 2020-04-17 | 国网上海市电力公司 | Inspection method of intelligent electric well lid gas monitoring device |
| CN111103158A (en) * | 2019-12-18 | 2020-05-05 | 广电计量检测(深圳)有限公司 | Calibration device and method for percutaneous partial pressure monitor |
| CN111781304A (en) * | 2020-07-08 | 2020-10-16 | 安东仪器仪表检测有限公司 | Calibration method of natural gas on-line water dew point instrument |
| CN112067745A (en) * | 2020-08-14 | 2020-12-11 | 北京航空工程技术研究中心 | Oil gas concentration detection alarm system verification and calibration device |
| CN113721007A (en) * | 2021-09-01 | 2021-11-30 | 福建省计量科学研究院（福建省眼镜质量检验站） | Calibration method and device for rapid screening type alcohol detector |
| CN114965867A (en) * | 2021-02-26 | 2022-08-30 | 杭州三花研究院有限公司 | Gas concentration detection method, gas detection device and control method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040216508A1 (en) * | 2003-02-14 | 2004-11-04 | Hirsch Jeffrey A. | Permeation calibrator |
| CN101839817A (en) * | 2010-05-27 | 2010-09-22 | 抚顺市计量测试所 | Experimental method for intelligent detection of poisonous and harmful gas alarm equipment and device thereof |
| CN102109504A (en) * | 2010-11-19 | 2011-06-29 | 聚光科技(杭州)股份有限公司 | Automatic calibration method and device |
| CN103399127A (en) * | 2013-08-16 | 2013-11-20 | 中国环境科学研究院 | Gas analyzer calibration measurement apparatus and calibration measurement method thereof |
| CN105911222A (en) * | 2016-04-18 | 2016-08-31 | 中国石油化工股份有限公司 | Metrological verification device for ammonia gas detector and metrological verification method thereof |
| CN106290744A (en) * | 2016-10-19 | 2017-01-04 | 舟山市质量技术监督检测研究院 | Exhaust analyzer calibrating installation |
| CN107153106A (en) * | 2017-06-29 | 2017-09-12 | 北京竹青世纪科技有限公司 | A kind of dynamic dilution gas calibration device |
-
2017
- 2017-11-16 CN CN201711133469.2A patent/CN109307738A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040216508A1 (en) * | 2003-02-14 | 2004-11-04 | Hirsch Jeffrey A. | Permeation calibrator |
| CN101839817A (en) * | 2010-05-27 | 2010-09-22 | 抚顺市计量测试所 | Experimental method for intelligent detection of poisonous and harmful gas alarm equipment and device thereof |
| CN102109504A (en) * | 2010-11-19 | 2011-06-29 | 聚光科技(杭州)股份有限公司 | Automatic calibration method and device |
| CN103399127A (en) * | 2013-08-16 | 2013-11-20 | 中国环境科学研究院 | Gas analyzer calibration measurement apparatus and calibration measurement method thereof |
| CN105911222A (en) * | 2016-04-18 | 2016-08-31 | 中国石油化工股份有限公司 | Metrological verification device for ammonia gas detector and metrological verification method thereof |
| CN106290744A (en) * | 2016-10-19 | 2017-01-04 | 舟山市质量技术监督检测研究院 | Exhaust analyzer calibrating installation |
| CN107153106A (en) * | 2017-06-29 | 2017-09-12 | 北京竹青世纪科技有限公司 | A kind of dynamic dilution gas calibration device |
Non-Patent Citations (3)
| Title |
|---|
| 国家质量监督检验检疫总局: "《JJF1433-2013》", 25 October 2013 * |
| 宋笑明 等: "气体稀释装置在气体检定中的应用", 《中国计量》 * |
| 李国刚: "《环境监测质量管理工作指南[M]》", 31 August 2010 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954652A (en) * | 2019-10-28 | 2020-04-03 | 国网河北省电力有限公司电力科学研究院 | Verification device and verification method |
| CN110780041A (en) * | 2019-11-12 | 2020-02-11 | 中国原子能科学研究院 | Online calibration system and method for hydrogen isotope mixed gas concentration detection alarm instrument |
| CN111024892A (en) * | 2019-11-25 | 2020-04-17 | 国网上海市电力公司 | Inspection method of intelligent electric well lid gas monitoring device |
| CN111103158A (en) * | 2019-12-18 | 2020-05-05 | 广电计量检测(深圳)有限公司 | Calibration device and method for percutaneous partial pressure monitor |
| CN111103158B (en) * | 2019-12-18 | 2021-11-16 | 广电计量检测(深圳)有限公司 | Calibration device and method for percutaneous partial pressure monitor |
| CN110927346A (en) * | 2019-12-24 | 2020-03-27 | 中国航空工业集团公司西安飞机设计研究所 | Gas concentration test system calibration method and device |
| CN111781304A (en) * | 2020-07-08 | 2020-10-16 | 安东仪器仪表检测有限公司 | Calibration method of natural gas on-line water dew point instrument |
| CN112067745A (en) * | 2020-08-14 | 2020-12-11 | 北京航空工程技术研究中心 | Oil gas concentration detection alarm system verification and calibration device |
| CN114965867A (en) * | 2021-02-26 | 2022-08-30 | 杭州三花研究院有限公司 | Gas concentration detection method, gas detection device and control method thereof |
| CN113721007A (en) * | 2021-09-01 | 2021-11-30 | 福建省计量科学研究院（福建省眼镜质量检验站） | Calibration method and device for rapid screening type alcohol detector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109307738A (en) | A kind of chlorine alarm calibration method and calibrating installation | |
| CN103175589B (en) | Measuring meter calibration device and method | |
| CN110927346B (en) | Gas concentration test system calibration method and device | |
| CN107153106A (en) | A kind of dynamic dilution gas calibration device | |
| CN110057416B (en) | Method and system for measuring air exchange capacity | |
| CN203443606U (en) | Indoor pollution gas concentration monitoring device | |
| CN209311425U (en) | A kind of calibrating installation of gas sensor response time | |
| CN203490209U (en) | Calibrating device for harmful gas detection alarm of coal mine | |
| CN116735804A (en) | Intelligent sensor precision monitoring system based on Internet of things | |
| CN109884263A (en) | A kind of dissolved oxygen sensor experimental rig and its test method | |
| CN105911222A (en) | Metrological verification device for ammonia gas detector and metrological verification method thereof | |
| CN207380006U (en) | Minute gas online detection instrument | |
| CN204462099U (en) | A kind of device detecting soil calcium carbonate content | |
| CN210923465U (en) | Carbon dioxide on-line monitoring system of coal-fired power plant | |
| JP2019506608A5 (en) | ||
| CN208297465U (en) | A kind of portable oxygen detector calibrating installation | |
| CN111089938A (en) | Method and device for detecting content of chlorine in blast furnace gas | |
| CN205506797U (en) | Ammonia gas detection surveys appearance metrological verification device | |
| CN202814667U (en) | Photoelectric instrument gas-tightness detector | |
| CN212255180U (en) | Rapid measurement and calibration device based on gas detection instrument | |
| CN212083364U (en) | In-situ calibration device for gas concentration detector in closed environment | |
| CN113866349A (en) | Quick test calibration device and calibration method for hydrogen concentration sensor | |
| CN111896191B (en) | On-site calibration method and auxiliary calibration equipment for integral oil tank leakage detection equipment | |
| CN209589904U (en) | A kind of high-precision gas sensor array detection device | |
| CN208520841U (en) | Non-at-scene calibration gas detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190205 |