CN102565275A - Simulation test system and method for ozone converter in civil aircraft - Google Patents
Simulation test system and method for ozone converter in civil aircraft Download PDFInfo
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- CN102565275A CN102565275A CN2012100171720A CN201210017172A CN102565275A CN 102565275 A CN102565275 A CN 102565275A CN 2012100171720 A CN2012100171720 A CN 2012100171720A CN 201210017172 A CN201210017172 A CN 201210017172A CN 102565275 A CN102565275 A CN 102565275A
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Abstract
The invention discloses a simulation test system and method for an ozone converter in civil aircraft. The test system comprises a gas source supply main-pipeline device, an ozone supply device and an ozone concentration analyzing device, wherein both the ozone supply device and the ozone concentration analyzing device are communicated with the gas source supply main-pipeline device; the ozone supply device supplies ozone to gas source supply main-pipeline device; the gas source supply main-pipeline device can obtain air-ozone mixed bleed air which can really simulate a high altitude environment and contains ozone, and can conduct ozonolysis on the obtained air-ozone mixed bleed air; and the ozone concentration analyzing device can obtain the concentration of the ozone before and after the ozonolysis in the obtained air-ozone mixed bleed air, so that the conversion efficiency of the ozone is further obtained by analysis and calculation. The test system can simulate the real high altitude environment bleed air so as to obtain the conversion efficiency of the ozone. The invention also discloses the simulation test method for the ozone converter in civil aircraft.
Description
Technical field
The present invention relates to a kind of analog simulation test system and method for testing of civil aircraft ozone converter.
Background technology
Ozone is strong oxidizer, has strong stink, and chemical property is active, and its main toxicological effect is the direct stimulation to lung tissue.Ozone and respiratory mucosa can cause tissue damage during the contact of tissue surfaces such as alveolar.Repeatedly receive the low concentration ozone affects like body, stringiness can take place and become in bronchium and breathing.If be exposed to the ozone the inside, will cause headache, expiratory dyspnea, eyes, nose or throat, symptoms such as chest pain.
Ozone is present in the upper atmosphere layer usually.In the place of high height above sea level, ozone from the air-conditioning system of aircraft along with outside air gets into aircraft passenger compartment together.Some medical symptom, perhaps airsick such as jet lag, in fact possibly be to cause by the ozone inside the high-altitude flight passenger cabin.
Just because of the negative influence of ozone; The FAA of US Federal Aviation Administration regulation aircraft cockpit is point at any time; Ozone concentration must be no more than and be equivalent to sea level level 0.25ppmv or the arbitrary flight time weighted mean value greater than each mission phase of 4 hours, and ozone concentration must be no more than and be equivalent to sea level level 0.1ppmv.
At present, the main flow civil aircraft all is provided with an ozone converter in the air conditioner refrigerating bag front of aircraft, through the effect of catalyzer, ozone is at high temperature disintegrated.But in view of original equipment manufacturer has carried out blockade on new techniques to the manufacturing test technology of ozone converter; The ozone converter of domestic operator has perhaps only been carried out simple cleaning afterloading unit; The be in no position to take possession of conversion efficiency of converter is perhaps sent Yuan Chang back to according to the requirement of producer and is tested, expensive; Cycle is long, to the very inconvenience of operation of airline.
Summary of the invention
One of the object of the invention provides a kind of analog simulation test system of civil aircraft ozone converter, and this test macro can high altitude environment bleed that is virtually reality like reality, obtains the transformation efficiency of ozone.
This purpose of the present invention realizes through following technical scheme: a kind of analog simulation test system of civil aircraft ozone converter; It is characterized in that: this test macro comprises source of the gas supply main line device, ozone supply device and ozone concentration analytical equipment; Described ozone supply device and ozone concentration analytical equipment are all supplied with the main line device with source of the gas and are communicated with; Described ozone supply device is supplied with main line unit feeding ozone to source of the gas; This source of the gas is supplied with the main line device can obtain real simulation high altitude environment ozone-containing air-ozone mixing bleed; And can carry out the ozone resolution process to the air-ozone mixing bleed that obtains, described ozone concentration analytical equipment can obtain the ozone concentration that front and back are decomposed in air-ozone mixing bleed, and then analytical calculation draws the transformation efficiency of ozone.
Described source of the gas is supplied with the main line device and is comprised compressor air source, heating furnace, pressure-regulating valve, air-ozone mixer, import switching pipeline, ozone converter, outlet switching pipeline, refrigeratory, flowrate control valve and the air-flow measurement device that connects successively; The air heating furnace of after the compression of described compressor source of the gas, flowing through is heated; The high temperature bleed of simulated aircraft engine; Carrying out pressure through pressure-regulating valve again regulates; The air pressure of output simulated aircraft refrigeration bag import; Described ozone supply device is an ozone generator, and this ozone generator is communicated with air-ozone mixer through pipeline, the described air of ozone supply-ozone mixer that ozone generator produces; From the air of pressure-regulating valve in air-ozone mixer with the abundant hybrid analog-digital simulation high altitude environment of ozone real air ozoniferous-ozone mixing bleed; Said ozone converter is carried out the ozone resolution process to the air-ozone mixing bleed that gets into, and the gas after the processing is discharged from flowrate control valve after the refrigeratory cooling, carries out flow measurement through the air-flow measurement device again; Said import switching pipeline is provided with the pressure transducer of measuring the ozone converter admission pressure; Between said import switching pipeline and outlet switching pipeline, be provided with the differential pressure pickup of measuring the ozone converter inlet outlet pressure differential, described ozone concentration analytical equipment respectively with described import switching pipeline and outlet switching pipeline connection.
Described ozone concentration analytical equipment comprises import ozone concentration analysis path, outlet ozone analysis path and ozone concentration analyser; Described import ozone concentration analysis path comprises road cooling tube, No. one shut-off valve and No. one flowmeter that is communicated with successively; Described one road cooling tube and import switching pipeline connection, the air-ozone mixing bleed that supplies to get into ozone converter is circulated; Described outlet ozone concentration analysis path comprises two road cooling tubes, No. two shut-off valves and No. two flowmeters that are communicated with successively; Described two road cooling tubes and outlet switching pipeline connection; Air-ozone mixing bleed circulation after the confession ozone converter ozone resolution process; Described No. one flowmeter and No. two flowmeters are communicated with the ozone concentration analyser respectively; Described ozone concentration analyser can obtain said ozone converter before and after decomposing ozone concentration, to draw the ozone transformation efficiency of ozone converter.
The present invention can also do following improvement: this test macro also comprises catalyst converter, and said catalyst converter is communicated with the ozone concentration analyser, and the mixed gas to be detected that comes out from the ozone concentration analyser is discharged into ambient atmosphere again after the catalysis in catalyst converter.
Among the present invention, described No. one flowmeter and No. two flowmeters are suspended body flowmeter.
Among the present invention, described air-flow measurement device is an orifice-plate type airflow measuring device.
Among the present invention, described heating furnace is an air-heating furnace.
Among the present invention, described refrigeratory is a hydrocooler.
Compared with prior art; Test macro of the present invention not only can be tested the ozone converter cleaning performance; And apply the mode of ozone to aircraft refrigeration bag import source of the gas through manual work; High altitude environment bleed that is virtually reality like reality is tested ozone concentration respectively in the import and the outlet of ozone converter, obtains the proving installation of ozone transformation efficiency.The also extra environmentally friendly processing of considering sampling ozone of this device; Guaranteed field personnel's physical and mental health; Avoid pollution to environment; Considered the influence that high temperature air causes orifice plate to expand in addition, reduced air themperature, avoided the inaccurate taxis of orifice plate air-flow measurement measurement device flow through the mode that applies water-cooled.
Two of the object of the invention provides a kind of analog simulation test method of civil aircraft ozone converter, and this method of testing is simple to operate, can high altitude environment bleed that is virtually reality like reality, obtain the transformation efficiency of ozone.
This purpose of the present invention realizes through following technical scheme: a kind of analog simulation test method of civil aircraft ozone converter, this method comprises the steps:
(1) connect source of the gas successively and supply with each parts in main line device, ozone generator and the ozone concentration analytical equipment, wherein ozone converter is supplied with between the import switching pipeline and outlet switching pipeline of main line device at source of the gas;
(2) the air heating furnace that source of the gas supplies with the main line device of after compressor source of the gas compression, flowing through is heated; The bleed of simulated engine high temperature; Again through the air pressure of pressure-regulating valve output simulated aircraft refrigeration bag import, pass through air-ozone mixer then and from the true mixing bleed ozoniferous of the abundant hybrid analog-digital simulation high altitude environment of the ozone of ozone generator;
(3) inlet air pressure, flow and the temperature of adjusting ozone converter are following duty parameter, and wherein pressure is regulated through pressure-regulating valve, and flow is regulated through flowrate control valve, and temperature is measured through thermo detector:
Pressure P: 421.8 ± 10KPa
Flow M:402 ± 1.6Kg/min
Temperature T: 185 ± 5.5 ℃
(4) ozone concentration of regulating ozone generator is more than or equal to 1.15ppmv;
(5) through being arranged on the pressure reduction of the differential pressure pickup measurement ozone converter between import switching pipeline and the outlet switching pipeline, the pressure drop that guarantees ozone converter is in the acceptable scope;
(6) measure the ozone conversion efficiency of ozone converter as follows;
(6a) wait for peacefully four each and every one parameter stabilities of the ozone converter that relates in waiting step (3) and the step (4) and ozone generator;
(6b) close No. two shut-off valves, open No. one shut-off valve, through the ozone concentration and the flow of ozone concentration analyser and the import of No. one flowmeter sampling ozone converter;
(6c) close No. one shut-off valve, open No. two shut-off valves, through the ozone concentration and the flow of ozone concentration analyser and the outlet of No. two flowmeters sampling ozone converter;
(6d) calculate the ozone transformation efficiency of ozone converter according to following formula;
Ozone transformation efficiency=(import sampling ozone concentration-outlet sampling ozone concentration) X100%/import sampling ozone concentration
(7) mixed gas to be detected that comes out from the ozone concentration analyser is discharged into ambient atmosphere again after the catalysis in catalyst converter;
(8) reduce pressure that source of the gas supplies with main line to environmental pressure through pressure-regulating valve, treat that ozone converter is cooled off after, disassemble.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain.
Fig. 1 is the composition structured flowchart of the analog simulation test system of civil aircraft ozone converter of the present invention;
Description of reference numerals
1, compressor source of the gas; 2, air-heating furnace; 3, air-ozone mixer; 4, import switching pipeline; 5, ozone converter; 6, outlet switching pipeline; 7, refrigeratory; 8, air-flow measurement device; 9, ozone generator; 10, one road cooling tube; 11, No. one flowmeter; 12, two road cooling tubes; 13, No. two flowmeters; 14, ozone concentration analyser; 15, catalyst converter; 16, pressure transducer; 17, differential pressure pickup; V1, pressure-regulating valve; V2, flowrate control valve; V3, No. one shut-off valve; V4, No. two shut-off valves
Embodiment
The analog simulation test system of a kind of civil aircraft ozone converter as shown in Figure 1; This test macro comprises source of the gas supply main line device, ozone supply device and ozone concentration analytical equipment; Ozone supply device and ozone concentration analytical equipment are all supplied with the main line device with source of the gas and are communicated with; The ozone supply device is supplied with main line unit feeding ozone to source of the gas; This source of the gas is supplied with the main line device can obtain real simulation high altitude environment ozone-containing air-ozone mixing bleed; And can carry out the ozone resolution process to the air-ozone mixing bleed that obtains, the ozone concentration analytical equipment can obtain the ozone concentration that front and back are decomposed in air-ozone mixing bleed, and then analytical calculation draws the transformation efficiency of ozone.
Source of the gas is supplied with the main line device and is comprised compressor air source 1, heating furnace 2, pressure-regulating valve V1, air-ozone mixer 3, import switching pipeline 4, ozone converter 5, outlet switching pipeline 6, refrigeratory 7, flowrate control valve V2 and the air-flow measurement device 8 that connects successively; The air heating furnace 2 of after compressor source of the gas 1 compression, flowing through is heated; The high temperature bleed of simulated aircraft engine; Carrying out pressure through pressure-regulating valve V1 again regulates; The air pressure of output simulated aircraft refrigeration bag import; The ozone supply device is an ozone generator 9, and this ozone generator 9 is communicated with air-ozone mixer 3 through pipeline, ozone supply air-ozone mixer 3 that ozone generator 9 produces; From the air of pressure-regulating valve V1 in air-ozone mixer 3 with the abundant hybrid analog-digital simulation high altitude environment of ozone real air ozoniferous-ozone mixing bleed; The ozone resolution process is carried out in the air of 5 pairs of entering of ozone converter-ozone mixing bleed, and the gas after the processing is discharged from flowrate control valve V2 after refrigeratory 7 coolings, carries out flow measurement through air-flow measurement device 8 again; Import switching pipeline 4 is provided with the pressure transducer 16 of measuring ozone converter 5 admission pressures; Between import switching pipeline 4 and outlet switching pipeline 6, be provided with the differential pressure pickup 17 of measuring ozone converter 5 inlet outlet pressure differentials, the ozone concentration analytical equipment is communicated with import switching pipeline 4 and outlet switching pipeline 6 respectively.
The ozone concentration analytical equipment comprises import ozone concentration analysis path, outlet ozone analysis path and ozone concentration analyser 14; Import ozone concentration analysis path comprises successively road cooling tube 10, No. one shut-off valve V3 and No. one flowmeter 11 that is communicated with; One road cooling tube 10 is communicated with import switching pipeline 4, supplies to get into the air-ozone mixing bleed circulation of ozone converter 5; Outlet ozone concentration analysis path comprises two road cooling tubes 12, No. two shut-off valve V4 and No. two flowmeters 13 that are communicated with successively; Two road cooling tubes 12 are communicated with outlet switching pipeline 6; Air after the confession ozone converter 5 ozone resolution process-ozone mixing bleed circulation; No. one flowmeter 11 and No. two flowmeters 13 are communicated with ozone concentration analyser 14 respectively; Ozone concentration analyser 14 can obtain ozone converter 5 before and after decomposing ozone concentration, to draw the ozone transformation efficiency of ozone converter 5.
This test macro also comprises catalyst converter 15, in the catalyst converter 15 MgO is housed
2Catalyzer, catalyst converter 15 is communicated with ozone concentration analyser 14, and the mixed gas to be detected that comes out from ozone concentration analyser 14 is discharged into ambient atmosphere again after the catalysis in catalyst converter 15.
In the present embodiment, No. one flowmeter 11 and No. two flowmeters 13 are suspended body flowmeter; Air-flow measurement device 8 is an orifice-plate type airflow measuring device; : heating furnace 2 is an air-heating furnace; Refrigeratory 7 is a hydrocooler.
This embodiment is when operation; Compressor source of the gas 1 air-heating furnace 2 that source of the gas supplies with the main line device of flowing through successively is heated; The bleed of simulated engine high temperature; Again through the air pressure of pressure-regulating valve V1 output simulated aircraft refrigeration bag import, pass through air-ozone mixer 3 then and from the true mixing bleed ozoniferous of the abundant hybrid analog-digital simulation high altitude environment of the ozone of ozone generator 9;
The above-mentioned main line mixing bleed import switching pipeline 4 of flowing through again, the intake pressure of the pressure transducer 16 test ozone converter through being arranged on this inlet ductwork, and tell a branch road, be connected to the high-end of differential pressure pickup 17; Open No. one shut-off valve V3 of ozone concentration analytical equipment, get into No. one flowmeter 11 after sampling mixing bleed is cooled through one road cooling tube 10, ozone concentration analyser 14, behind the ozone concentration and flow of the import of acquisition ozone converter, ozone passes through MgO
2Catalyst is an oxygen, is discharged into environment again;
Above-mentioned main line mixing bleed is through after the ozone converter 5, and process exports switching pipeline 6 again, and the static pressure that is arranged on switching pipeline 6 is adopted a low side of pressing mouth connection differential pressure pickup 17, the pressure reduction of acquisition ozone converter 5; Open No. two shut-off valve V4 of ozone concentration analytical equipment; After being cooled through two road cooling tubes 12, sampling mixing bleed gets into No. two flowmeters 13; Ozone concentration analyser 14 is behind the ozone concentration and flow of the outlet of acquisition ozone converter, through MgO2 catalyzer 15; Ozone is oxygen by catalysis, is discharged into environment again;
To be recycled water for cooling be the normal temperature mixing air through hydrocooler again in above-mentioned main line mixing bleed, gets into the flowrate control valve V2 that is used to regulate main line mixing bleed flow, air-flow measurement device 8 and efflux pipeline to ambient atmosphere.
The method of testing of the analog simulation test system of above-mentioned civil aircraft ozone converter, this method comprises the steps:
(1) connect source of the gas successively and supply with each parts in main line device, ozone generator 9 and the ozone concentration analytical equipment, wherein ozone converter 5 is supplied with between the import switching pipeline 4 and outlet switching pipeline 6 of main line device at source of the gas;
(2) the air heating furnace 2 that source of the gas supplies with the main line device of after compressor source of the gas 1 compression, flowing through is heated; The bleed of simulated engine high temperature; Again through the air pressure of pressure-regulating valve V1 output simulated aircraft refrigeration bag import, pass through air-ozone mixer 3 then and from the true mixing bleed ozoniferous of the abundant hybrid analog-digital simulation high altitude environment of the ozone of ozone generator 9;
(3) inlet air pressure, flow and the temperature of adjusting ozone converter 5 are following duty parameter, and wherein pressure is regulated through pressure-regulating valve V1, and flow is regulated through flowrate control valve V2, and temperature is measured through thermo detector:
Pressure P: 421.8 ± 10KPa
Flow M:40.2 ± 1.6Kg/min
Temperature T: 185 ± 5.5 ℃
(4) ozone concentration of regulating ozone generator 9 is more than or equal to 1.15ppmv;
(5) through being arranged on the pressure reduction of the differential pressure pickup 17 measurement ozone converter 5 between import switching pipeline 4 and the outlet switching pipeline 6, the pressure drop that guarantees ozone converter 5 is in the acceptable scope;
(6) measure the ozone conversion efficiency of ozone converter 5 as follows;
(6a) wait for peacefully four each and every one parameter stabilities of the ozone converter that relates in waiting step (3) and the step (4) and ozone generator;
(6b) close No. two shut-off valve V4, open No. one shut-off valve V3, through the ozone concentration and the flow of ozone concentration analyser 14 and 5 imports of No. one flowmeter 11 sampling ozone converter;
(6c) close No. one shut-off valve V3, open No. two shut-off valve V4, through the ozone concentration and the flow of ozone concentration analyser 14 and 5 outlets of No. two flowmeters 13 sampling ozone converter;
(6d) calculate the ozone transformation efficiency of ozone converter 5 according to following formula;
Ozone transformation efficiency=(import sampling ozone concentration-outlet sampling ozone concentration) X100%/import sampling ozone concentration
(7) mixed gas to be detected that comes out from ozone concentration analyser 14 is discharged into ambient atmosphere again after the catalysis in catalyst converter 15;
(8) reduce pressure that source of the gas supplies with main line to environmental pressure through pressure-regulating valve V1, treat that ozone converter 5 is cooled off after, disassemble.
Claims (9)
1. the analog simulation test system of a civil aircraft ozone converter; It is characterized in that: this test macro comprises source of the gas supply main line device, ozone supply device and ozone concentration analytical equipment; Described ozone supply device and ozone concentration analytical equipment are all supplied with the main line device with source of the gas and are communicated with; Described ozone supply device is supplied with main line unit feeding ozone to source of the gas; This source of the gas is supplied with the main line device can obtain real simulation high altitude environment ozone-containing air-ozone mixing bleed; And can carry out the ozone resolution process to the air-ozone mixing bleed that obtains, described ozone concentration analytical equipment can obtain the ozone concentration that front and back are decomposed in air-ozone mixing bleed, and then analytical calculation draws the transformation efficiency of ozone.
2. the analog simulation test system of civil aircraft ozone converter according to claim 1; It is characterized in that: described source of the gas is supplied with the main line device and is comprised compressor air source (1), heating furnace (2), pressure-regulating valve (V1), air-ozone mixer (3), import switching pipeline (4), ozone converter (5), outlet switching pipeline (6), refrigeratory (7), flowrate control valve (V2) and the air-flow measurement device (8) that connects successively; The air heating furnace (2) of after described compressor source of the gas (1) compression, flowing through is heated; The high temperature bleed of simulated aircraft engine; Pass through pressure-regulating valve (V1) again and carry out the pressure adjusting; The air pressure of output simulated aircraft refrigeration bag import; Described ozone supply device is ozone generator (9), and this ozone generator (9) is communicated with air-ozone mixer (3) through pipeline, the described air of ozone supply-ozone mixer (3) that ozone generator (9) produces; From the air of pressure-regulating valve (V1) in air-ozone mixer (3) with the abundant hybrid analog-digital simulation high altitude environment of ozone real air ozoniferous-ozone mixing bleed; Said ozone converter (5) is carried out the ozone resolution process to the air-ozone mixing bleed that gets into, and the gas after the processing is discharged from flowrate control valve (V2) after refrigeratory (7) cooling, passes through air-flow measurement device (8) again and carries out flow measurement; Said import switching pipeline (4) is provided with the pressure transducer (16) of measuring ozone converter (5) admission pressure; Between said import switching pipeline (4) and outlet switching pipeline (6), be provided with the differential pressure pickup (17) of measuring ozone converter (5) inlet outlet pressure differential, described ozone concentration analytical equipment is communicated with described import switching pipeline (4) and outlet switching pipeline (6) respectively.
3. the analog simulation test system of civil aircraft ozone converter according to claim 2; It is characterized in that: described ozone concentration analytical equipment comprises import ozone concentration analysis path, outlet ozone analysis path and ozone concentration analyser (14); Described import ozone concentration analysis path comprises road cooling tube (10), No. one shut-off valve (V3) and No. one flowmeter (11) that is communicated with successively; Described one road cooling tube (10) is communicated with import switching pipeline (4), supplies to get into the air-ozone mixing bleed circulation of ozone converter (5); Described outlet ozone concentration analysis path comprises two road cooling tubes (12), No. two shut-off valves (V4) and No. two flowmeters (13) that are communicated with successively; Described two road cooling tubes (12) are communicated with outlet switching pipeline (6); Air after confession ozone converter (5) the ozone resolution process-ozone mixing bleed circulation; Described No. one flowmeter (11) and No. two flowmeters (13) are communicated with ozone concentration analyser (14) respectively; Described ozone concentration analyser (14) can obtain said ozone converter (5) before and after decomposing ozone concentration, to draw the ozone transformation efficiency of ozone converter (5).
4. the analog simulation test system of civil aircraft ozone converter according to claim 3; It is characterized in that: this test macro also comprises catalyst converter (15); Said catalyst converter (15) is communicated with ozone concentration analyser (14), and the mixed gas to be detected that comes out from ozone concentration analyser (14) is discharged into ambient atmosphere after the catalysis again in catalyst converter (15).
5. the analog simulation test system of civil aircraft ozone converter according to claim 3 is characterized in that: described No. one flowmeter (11) and No. two flowmeters (13) are suspended body flowmeter.
6. according to the analog simulation test system of claim 2 or 3 described civil aircraft ozone converter, it is characterized in that: described air-flow measurement device (8) is an orifice-plate type airflow measuring device.
7. according to the analog simulation test system of claim 2 or 3 described civil aircraft ozone converter, it is characterized in that: described heating furnace (2) is an air-heating furnace.
8. according to the analog simulation test system of claim 2 or 3 described civil aircraft ozone converter, it is characterized in that: described refrigeratory (7) is a hydrocooler.
9. adopt aforesaid right to require the method for testing of the analog simulation test system of 1 to 8 each described civil aircraft ozone converter, this method comprises the steps:
(1) connect source of the gas successively and supply with each parts in main line device, ozone generator (9) and the ozone concentration analytical equipment, wherein ozone converter (5) is positioned between the import switching pipeline (4) and outlet switching pipeline (6) of source of the gas supply main line device;
(2) the air heating furnace (2) that source of the gas supplies with the main line device of after compressor source of the gas (1) compression, flowing through is heated; The bleed of simulated engine high temperature; Pass through the air pressure of pressure-regulating valve (V1) output simulated aircraft refrigeration bag import again, pass through air-ozone mixer (3) then and from the true mixing bleed ozoniferous of the abundant hybrid analog-digital simulation high altitude environment of the ozone of ozone generator (9);
(3) inlet air pressure, flow and the temperature of adjusting ozone converter (5) are following duty parameter, and wherein pressure is regulated through pressure-regulating valve (V1), and flow is regulated through flowrate control valve (V2), and temperature is measured through thermo detector:
Pressure P: 421.8 ± 10KPa
Flow M:402 ± 1.6Kg/min
Temperature T: 185 ± 5.5 ℃
(4) ozone concentration of regulating ozone generator (9) is more than or equal to 1.15ppmv;
(5) through being arranged on the pressure reduction of differential pressure pickup (17) the measurement ozone converter (5) between import switching pipeline (4) and the outlet switching pipeline (6), the pressure drop that guarantees ozone converter (5) is in the acceptable scope;
(6) measure the ozone conversion efficiency of ozone converter (5) as follows;
(6a) wait for peacefully four each and every one parameter stabilities of the ozone converter that relates in waiting step (3) and the step (4) and ozone generator;
(6b) close No. two shut-off valves (V4), open No. one shut-off valve (V3), through the ozone concentration and the flow of ozone concentration analyser (14) and the import of No. one flowmeter (11) sampling ozone converter (5);
(6c) close No. one shut-off valve (V3), open No. two shut-off valves (V4), through the ozone concentration and the flow of ozone concentration analyser (14) and No. two flowmeters (13) sampling ozone converter (5) outlet;
(6d) calculate the ozone transformation efficiency of ozone converter according to following formula;
Ozone transformation efficiency=(import sampling ozone concentration-outlet sampling ozone concentration) X100%/import sampling ozone concentration
(7) mixed gas to be detected that comes out from ozone concentration analyser (14) is discharged into ambient atmosphere after the catalysis again in catalyst converter (15);
(8) reduce pressure that source of the gas supplies with main line to environmental pressure through pressure-regulating valve (V1), treat that ozone converter (5) is cooled off after, disassemble.
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| CN107219324A (en) * | 2017-07-13 | 2017-09-29 | 中国科学院城市环境研究所 | The adjustable ozone purification evaluation system of a kind of humidity, content and evaluation method |
| CN108426615A (en) * | 2017-01-27 | 2018-08-21 | 哈米尔顿森德斯特兰德公司 | Sensing flux ozone converter |
| CN111433582A (en) * | 2017-12-04 | 2020-07-17 | 庞巴迪公司 | Health status monitoring of ozone converter |
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| CN108426615A (en) * | 2017-01-27 | 2018-08-21 | 哈米尔顿森德斯特兰德公司 | Sensing flux ozone converter |
| CN107219324A (en) * | 2017-07-13 | 2017-09-29 | 中国科学院城市环境研究所 | The adjustable ozone purification evaluation system of a kind of humidity, content and evaluation method |
| CN107219324B (en) * | 2017-07-13 | 2023-06-06 | 中国科学院城市环境研究所 | Ozone purification evaluation system and method with adjustable humidity and content |
| CN111433582A (en) * | 2017-12-04 | 2020-07-17 | 庞巴迪公司 | Health status monitoring of ozone converter |
| CN111433582B (en) * | 2017-12-04 | 2022-08-02 | 庞巴迪公司 | Health status monitoring of ozone converter |
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