CN105738084A - Propellant container mechanical environment test safety protection method - Google Patents
Propellant container mechanical environment test safety protection method Download PDFInfo
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- CN105738084A CN105738084A CN201410745950.7A CN201410745950A CN105738084A CN 105738084 A CN105738084 A CN 105738084A CN 201410745950 A CN201410745950 A CN 201410745950A CN 105738084 A CN105738084 A CN 105738084A
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Abstract
The invention belongs to the dangerous material mechanical environment test safety protection technical field, and concretely relates to a propellant container mechanical environment test safety protection method. The method comprises test risk analysis, test safety protective measures and safe operation requirements in a test process, and performs protective work on the aspects of active protection (explosion protection) and passive protection (explosion resistance). Active protection is mainly reflected in electrostatic protection, fire protection, lightning protection and operating personnel work standard enhancement; passive protection is mainly reflected in test site infrastructures, remote control, station site selection control and test flow arrangement. The method is suitable for a propellant container mechanical environment test employing a real propellant, and can obtain more accurate examination results, directly perform test run performance examination after the mechanical environment test, and solve the safety risks of container leakage and fracture under the recombination action of dynamic stress and internal pressure in the mechanical environment test.
Description
Technical field
The invention belongs to dangerous materials dynamic environmental test technical field of safety protection, be specifically related to the safety protecting method of a kind of propellant containers dynamic environmental test.
Background technology
Liquid propellant is to enter rocket engine, experience chemical reaction and thermodynamics change with liquid condition, provides the material of energy and working medium for propulsion system.Test chamber carries out liquid propellant container vibration test, and overriding concern is the safety of test(ing) medium.The security performance of liquid propellant is primarily referred to as it catch fire, explosion hazard and toxicity.Liquid propellant will not catch fire and explode at typical condition, only just causing under certain external condition effect and catch fire and explode, these external conditions include: the incendiary sources such as heat, naked light or electric spark, mechanism, shock wave, radiation effects and chemical energy.
Current liquid propellant container vibration test, adopts simulated solution to replace propellant to carry out vibration test.The vibration test replacing propellant with simulated solution is applicable to the development stage, and empirical risk and cost are low.Yet with the physical characteristic difference of simulated solution Yu propellant, cause adopting simulated solution test examination abundant not, and after vibration test terminates, it is impossible to it is made directly test run service check.Therefore after product enters the sample stage, it is necessary to adopt true propellant state to carry out the dynamic environmental test of Pressure Vessel.Owing to propellant containers dynamic environmental test has certain danger, dynamic stress in dynamic environmental test and under intrinsic pressure compound action container be likely to leakage and break, cause that propellant leaks, produce to threaten to personnel and equipment.Properly settling of security protection problem, becomes the key technology carrying out propellant containers dynamic environmental test.It is thus desirable to provide the safety protecting method of a kind of propellant containers dynamic environmental test.
Summary of the invention
Present invention aims to adopt propellant to carry out vibration test and need to carry out the technical problem of security protection, the safety protecting method of a kind of propellant containers dynamic environmental test is provided, requires to realize the security protection of propellant dynamic environmental test by the safety operation in empirical risk analysis, experimental safe safeguard procedures and process of the test.
The safety protecting method of a kind of propellant containers dynamic environmental test, in turn includes the following steps:
Step 1. experimental safe risk classifications is analyzed, and experimental safe risk includes liquid propellant risk of leakage, liquid propellant risk of toxicity and liquid propellant pollution risk；
Step 1.1 liquid propellant risk of leakage is analyzed, and liquid propellant leakage has two kinds of situations: a kind of be the fuel agent of liquid propellant and oxidant leaks simultaneously, and another kind is the fuel agent of liquid propellant or oxidant individually leaks；
Step 1.2 liquid propellant risk of toxicity is analyzed, and liquid propellant enters human body and causes poisoning；
Step 1.3 liquid propellant Controlling instruments, the pollution of environment is included two classes by liquid propellant: one is propellant steam or the combustion gas pollution to air；Two is propellant waste liquid and the sewage pollution to water quality；
Step 2. calculates explosive equivalent and Factory Building internal security distance,
When fuel leaks with oxidant and mixes simultaneously, according to below equation, by the explosive equivalent calculation Factory Building internal security distance of fuel with oxidant combination,
D=KQ1/3
In formula, D is safe distance, and unit is rice (m)；K is safety coefficient, and unit is every kilogram of rice (m/kg), and the Factory Building K having protection earth embankment is 3.6, and the Factory Building K of unshielded earth embankment is 7.2；Q is explosive TNT equivalent；
Step 3. Selection experiment Factory Building,
Select the explosion-proof plants meeting step 2 calculated test Factory Building internal security distance D as the test Factory Building of propellant containers dynamic environmental test；Then it is divided in hazardous area, field by test Factory Building and the region of periphery thereof place of safety and security area outside the venue, hazardous area is the region in test Factory Building, in, place of safety is the observing and controlling region of blast wall isolation, and security area is within the scope of 150m outside test Factory Building and observing and controlling region outside the venue；It is provided with portable gas detector, spraying system of fire fighting, video monitoring equipment in test Factory Building；
Step 4. propellant containers dynamic environmental test process monitoring,
Step 4.1 pretest inspection, before on-test checkout facility device and test Factory Building in safety guarantee equipment state whether normal；
Propellant leakage monitoring in step 4.2 test, in process of the test, the situation that safety guarantee personnel place of safety inside exists the liquid propellant leakage described in step 1.1 by testing the video monitoring system in Factory Building to monitor whether；When safety guarantee personnel find product exception by video monitoring system, assay device should be closed immediately, wear protective garment and holohedral form canister respirator, wear protective gloves, carry portable gas detector enter hazardous area detect, it may be judged whether occur propellant leakage；
Propellant pollution monitoring after step 4.3 off-test, after off-test, propellant gas concentration in safety guarantee librarian use portable gas monitoring instrument detection test Factory Building, determines whether there is the situation of propellant pollution described in step 1.3 according to concentration change trend；
Step 5. takes safe handling measure, according to step 4 propellant containers dynamic environmental test process monitoring, it is determined that the experimental safe risk classifications in test Factory Building, takes safe handling measure targetedly, eliminates burning or risk of explosion；
Step 5.1 is when in being tested by step 4.2, propellant leakage monitoring is judged as the situation that there is propellant leakage, and safety guarantee personnel should cut off the power supply in test Factory Building immediately, then determines whether,
Step 5.1.1 such as safety guarantee personnel are defined as oxidant and fuel agent leaks simultaneously, it should open the spraying system of fire fighting in test Factory Building immediately, simultaneously except safety guarantee personnel, and hazardous area and full complement's emergency evacuation of place of safety in field；
Step 5.1.2 such as safety guarantee personnel are defined as oxidant and leak in a large number or fuel agent leaks in a large number, it should process according to the method for step 5.1.1；Oxidant micro-leakage or fuel agent micro-leakage it is defined as such as safety guarantee personnel, hazardous area should be entered when wearing protective garment and holohedral form canister respirator, wearing protective gloves, let out the system pressure except propellant containers, carry out oxidant micro-leakage process according to step 5.2 respectively or carry out the process of fuel agent micro-leakage according to step 5.3；
Step 5.2 oxidant micro-leakage processes,
Step 5.2.1 is used for collecting, at liquid propellant container leakage position reception container placed below, the oxidant leaked out, and searches the leakage point of liquid propellant container, and leakage point is taked blocking or security measure stop a leak；
The oxidant that step 5.2.2 docks in receptacle carries out decontamination process, or places decontamination solution in receiving vessel in advance, forms oxidant waste liquid after decontamination；
Step 5.2.3 rinses, with a large amount of water, the liquid propellant container speckling with oxidant and receives vessel surface, rinses the waste water produced and discharges to waste water system after dilution, it is prevented that flows into sewer；
Step 5.3 fuel agent micro-leakage processes,
Step 5.3.1 is used for collecting, at liquid propellant container leakage position reception container placed below, the fuel agent leaked out, and searches the leakage point of liquid propellant container, and leakage point is taked blocking or security measure stop a leak；
The a large amount of clear water of fuel agent that step 5.3.2 docks in receptacle rinse formation fuel agent waste liquid, or directly adsorb the fuel agent of leakage at the leakage point of liquid propellant container with sand；
Step 5.3.3 rinses, with a large amount of water, the liquid propellant container speckling with fuel agent and receives vessel surface, rinses the waste water produced and discharges to waste water system after dilution, it is prevented that flows into sewer；
Step 5.4 is when propellant pollution monitoring after by step 4.3 off-test is judged as the situation that there is propellant pollution, or after step 5.1 to step 5.3 takes propellant leakage safe handling measure, take decontamination, venting practice to make propellant gas concentration lower than 0.2ppm in hazardous area, then product is pulled down by product installation personnel from assay device, is then proceeded decontamination by propellant safety guarantee personnel, ventilation operation is down to normally；
Oxidant waste liquid and the fuel agent waste collection of step 5.3.2 formation that step 5.2.2 is formed by step 5.5 receive in tank to different waste liquids；
Step 6. propellant waste liquid and sewage disposal,
Step 5.5 waste liquid is received step 6.1 the oxidant waste liquid in tank and fuel agent waste liquid decontaminant carries out decontamination process；Waste liquid is received tank and carries out state of the art confirmation, check its air-tightness；Then waste liquid receives tank transport to production unit；
A small amount of propellant waste liquid that step 6.2 is dropped in test Factory Building directly uses decontamination solution to process；Rinse the waste water produced to discharge to waste water system after dilution, it is prevented that flow into sewer.
In described step 4.2, the criterion of propellant leakage is: when propellant gas concentration is judged as being absent from the situation of propellant leakage not less than 0.5ppm and when not being visually observed liquid propellant micro-leakage, safety guarantee personnel leave hazardous area, proceed test；When propellant gas concentration more than 0.5ppm and is judged as the situation that there is propellant micro-leakage less than 5ppm or when being visually observed liquid propellant micro-leakage；When propellant gas concentration more than 5ppm or is visually observed when liquid propellant leaks in a large number and is judged as there is the situation that propellant leaks in a large number.
Reception container in described step 5.2.1 and step 5.3.1 is rustless steel, plastic containers or glass container.
The safety protecting method of described propellant containers dynamic environmental test also includes liquid propellant risk of toxicity safe handling measure, when step 4 and step 5 carry out safety guarantee personnel or other staff in process, the liquid propellant risk of toxicity described in step 1.2 occurs, corresponding first aid and measure of saving oneself should be taked according to different types of propellant toxicity.
Beneficial effect: technical scheme can be applicable for use with the propellant containers dynamic environmental test of true propellant, it is possible to obtains the result of appraisal more accurately, and after dynamic environmental test terminates, it is possible to it is made directly test run service check.Solve the dynamic stress in dynamic environmental test and under intrinsic pressure compound action container be likely to leakage and break etc. in security risk.
Accompanying drawing explanation
Fig. 1 is pilot region dangerous grade classification schematic diagram.
In figure, 1-hazardous area, place of safety in 2-field, 3-protects earth embankment.
Detailed description of the invention
Below in conjunction with specific embodiment, technical scheme is explained in further detail:
The safety protecting method of a kind of propellant containers dynamic environmental test, in turn includes the following steps:
Step 1. experimental safe risk analysis, experimental safe risk includes liquid propellant spillage risk risk, liquid propellant risk of toxicity and liquid propellant pollution risk；
Step 1.1 liquid propellant spillage risk risk analysis,
The principal risk of propellant containers dynamic environmental test is in that in dynamic environmental test dynamic stress is likely to cause the damage of propellant containers, causes that the liquid propellant in propellant containers leaks.Liquid propellant leakage has two kinds of situations: a kind of be the fuel of liquid propellant and oxidant leaks simultaneously, hypergolic propellants catch fire immediately after leaking simultaneously and mixing or explode, and nonhypergolic propellant is met incendiary source after leaking and mixing and also can be caught fire or explode；Another kind is the fuel of liquid propellant or oxidant individually leaks, and fuel individually leaks chance incendiary source and can catch fire or explode, and oxidant individually leaks meets combustible and can catch fire or explode；
Step 1.2 liquid propellant risk of toxicity is analyzed,
Liquid propellant enters human body to be caused and poisoning has three approach: one is suck propellant steam, and this is the main path of occupational poisoning；Two is skin contamination liquid propellant or propellant steam, causes absorption poisoning by osmosis, and this is also one of the approach of occupational poisoning；Three is wrongly take or liquid propellant is swallowed in splash, causes absorption poisoning by digestive tract, and this is sporadic intoxication accident；
Step 1.3 liquid propellant Controlling instruments,
The pollution of environment is included two classes by liquid propellant: one is propellant steam or the combustion gas pollution to air, and in the poor sealing such as the connector of propellant containers or valve and process of the test, propellant containers breakage all can cause the effusion of propellant steam and liquid drip leakage；Two is propellant waste liquid and the sewage pollution to water quality, can produce a large amount of propellant sewage when processing propellant containers leakage accident and waste liquid and pollute.The environmental pollution that liquid propellant causes not only is pernicious to people, and animals and plants and subsoil water all can be had a negative impact；
Step 1.4 takes experimental safe risk safeguard procedures,
For controlling the experimental safe risk that propellant containers leakage produces, active defense (explosion-proof) and two kinds of security risk safeguard procedures of passive protection (antiknock) are adopted to protect；Active defense is primarily referred to as and prevents propellant leakage from producing blast, including antistatic, fire prevention, anti-lightning strike and strengthen the measure such as operating personnel's working specification；Passive protection is primarily referred to as after propellant leakage produces blast and is included in certain limit by the dangerous item station of blast, test site infrastructure, remotely control, the control station ground measure such as point selection and experiment process；
Step 2. calculates explosive equivalent and Factory Building internal security distance
When fuel leaks with oxidant and mixes simultaneously, according to below equation, by the explosive equivalent calculation Factory Building internal security distance of fuel with oxidant combination,
D=KQ1/3
In formula, D is safe distance, and unit is rice (m)；K is safety coefficient, and unit is every kilogram of rice (m/kg), and the Factory Building K having protection earth embankment is 3.6, and the Factory Building K of unshielded earth embankment is 7.2；Q is explosive TNT equivalent；Explosive TNT equivalent can obtain according to the fuel type with oxidant and quality, it is possible to obtains by consulting liquid propellant technical manual；
Step 3. Selection experiment Factory Building,
According to the calculated Factory Building internal security distance D of step 2, selection has electrostatic, thunder and lightning, fire protection measure, blast wall, protection earth embankment 3 etc. and meets Explosive hazardous material requirement of shelter, and meets the explosion-proof plants test Factory Building as propellant containers dynamic environmental test of Factory Building internal security distance D；Then it is divided in hazardous area 1, field by test Factory Building and the region of periphery thereof place of safety 2 and security area outside the venue, as shown in Figure 1, hazardous area is the region in test Factory Building, in, place of safety is the observing and controlling region isolated by blast wall with test Factory Building, and security area is within the scope of 150m outside test Factory Building and observing and controlling region outside the venue；Place of safety 2 and can arrange protection earth embankment 3 outside the venue between security area inside, avoids producing explosion time blast or neurotoxic injury as far as possible, is provided with the equipment such as portable gas detector, spraying system of fire fighting, monitoring in test Factory Building；
Step 4. selects safety guarantee personnel
Safety guarantee personnel according to following requirements selection propellant containers dynamic environmental test, and before the test all safety guarantee personnel are carried out the security protection training of oxidant and fuel agent, and carry out emergent safety rehearsal；
A () propellant safety guarantee personnel should be familiar with oxidant and the physicochemical property of fuel agent, grasp rule of operation, means of defence and emergency measure, through examining qualified taking appointment with certificate；
B () all operations should carry out in strict accordance with rule of operation, every post has at least two safety guarantee personnel cooperations to carry out, but reduces field operation personnel as far as possible；
Step 5. propellant containers dynamic environmental test process monitoring,
Step 5.1 pretest inspection,
Before on-test, safety guarantee personnel enter the hazardous area of test Factory Building, whether the portable gas concentration detector in checkout facility device and test Factory Building, video monitoring system, spray pump and the safety guarantee equipment state such as valve, fire extinguisher be normal, and then safety guarantee personnel leave hazardous area；
Propellant leakage monitoring in step 5.2 test,
In process of the test, the situation that safety guarantee personnel place of safety inside exists the liquid propellant leakage described in step 1.1 by testing the video monitoring system in Factory Building to monitor whether；When safety guarantee personnel find product exception by video monitoring system, assay device should be closed immediately, wear protective garment and holohedral form canister respirator, wear protective gloves, carry portable gas detector enter hazardous area detect, it may be judged whether occur propellant leakage；When propellant gas concentration is judged as being absent from the situation of propellant leakage not less than 0.5ppm and when not being visually observed liquid propellant micro-leakage, safety guarantee personnel leave hazardous area, proceed test；When propellant gas concentration more than 0.5ppm and is judged as the situation that there is propellant micro-leakage less than 5ppm or when being visually observed liquid propellant micro-leakage；When propellant gas concentration more than 5ppm or is visually observed when liquid propellant leaks in a large number and is judged as there is the situation that propellant leaks in a large number.
Propellant pollution monitoring after step 5.3 off-test,
After off-test, safety guarantee personnel enter test Factory Building, use propellant gas concentration in portable gas monitoring instrument detection test Factory Building, determine whether there is the situation of propellant pollution described in step 1.3 according to concentration change trend；
Step 6. takes safe handling measure,
According to step 5 propellant containers dynamic environmental test process monitoring, it is determined that the experimental safe risk classifications in test Factory Building, take safe handling measure targetedly, eliminate burning or risk of explosion；
Step 6.1 is when in being tested by step 5.2, propellant leakage monitoring is judged as the situation that there is propellant leakage, and safety guarantee personnel should cut off the power supply in test Factory Building immediately, then determines whether,
Step 6.1.1 such as safety guarantee personnel are defined as oxidant and fuel agent leaks simultaneously, it should open the spraying system of fire fighting in test Factory Building immediately, simultaneously except safety guarantee personnel, and hazardous area and full complement's emergency evacuation of place of safety in field；
Step 6.1.2 such as safety guarantee personnel are defined as oxidant and leak in a large number or fuel agent leaks in a large number, it should process according to the method for step 6.1.1；Oxidant micro-leakage or fuel agent micro-leakage it is defined as such as safety guarantee personnel, hazardous area should be entered when wearing protective garment and holohedral form canister respirator, wearing protective gloves, let out the system pressure except assay device, carry out oxidant micro-leakage process according to step 6.2 respectively or carry out the process of fuel agent micro-leakage according to step 6.3；
Step 6.2 oxidant micro-leakage processes,
Step 6.2.1 is used for collecting the oxidant leaked out at liquid propellant container leakage position reception container placed below, receiving container can be rustless steel, plastic containers or glass container, search the leakage point of liquid propellant container, such as fluid path plug and gas circuit plug, leakage point is taked blocking or security measure stop a leak；The oxidant that step 6.2.2 docks in receptacle carries out decontamination process, or places decontamination solution in receiving vessel in advance, forms oxidant waste liquid after decontamination；Decontaminant can for sodium carbonate liquor that mass percent is 0.5% or other types decontaminant；
Step 6.2.3 rinses, with a large amount of water, the liquid propellant container speckling with oxidant and receives vessel surface, rinses the waste water produced and discharges to waste water system after dilution, it is prevented that flows into sewer；
Step 6.3 fuel agent micro-leakage processes,
Step 6.3.1 is used for collecting the fuel agent leaked out at liquid propellant container leakage position reception container placed below, receiving container can be rustless steel, plastic containers or glass container, search the leakage point of liquid propellant container, such as fluid path plug and gas circuit plug, leakage point is taked blocking or security measure stop a leak；
The a large amount of clear water of fuel agent that step 6.3.2 docks in receptacle rinse formation fuel agent waste liquid, or directly adsorb the fuel agent of leakage at the leakage point of liquid propellant container with sand；
Step 6.3.3 rinses, with a large amount of water, the liquid propellant container speckling with fuel agent and receives vessel surface, rinses the waste water produced and discharges to waste water system after dilution, it is prevented that flows into sewer；
Step 6.4 is when propellant pollution monitoring after by step 5.3 off-test is judged as the situation that there is propellant pollution, or after step 6.1 to step 6.3 takes propellant leakage safe handling measure, take the measure such as decontamination, ventilation to make propellant gas concentration lower than 0.2ppm in hazardous area, then product is pulled down by product installation personnel from assay device, then proceeded decontamination by propellant safety guarantee personnel, ventilation operation is down to normal air, and namely portable gas detector cannot detect propellant gas concentration；
Oxidant waste liquid and the fuel agent waste collection of step 6.3.2 formation that step 6.2.2 is formed by step 6.5 receive in tank to different waste liquids；
Step 7. liquid propellant risk of toxicity safe handling measure,
When step 5 and step 6 carry out safety guarantee personnel or other staff in process, the liquid propellant risk of toxicity described in step 1.2 occurs, corresponding first aid and measure of saving oneself should be taked, for instance the emergency treatment for dinitrogen tetroxide propellant is as follows according to different types of propellant toxicity:
If step 7.1 is swallowed in mouth, rinse with water, spue immediately, it is impossible to during discharge, should drink into water or milk emetic；
When the visual visible nitrogen dioxide steam of step 7.2 or the existing excitement of throat, should try one's best and poisoning personnel are lifted to pollution-free place (their own can not be allowed to walk), warming, repose, it is to avoid activity；Dyspneic personnel, send diagnosis and treatment immediately to hospital；
When step 7.3 is splashed into ophthalmic, rinse more than 15min with a large amount of water purification immediately, it is impossible to use other drug, and send treatment in time to hospital；
When step 7.4 is infected with skin, rinses contamination position more than 15min with a large amount of water immediately, and send treatment in time to hospital；
The contaminated medicated clothing of step 7.5 to be taken off as early as possible, rinses with water；
Step 8. propellant waste liquid and sewage disposal,
Step 6.5 waste liquid is received step 8.1 the oxidant waste liquid in tank and fuel agent waste liquid decontaminant carries out decontamination process；Waste liquid is received tank and carries out state of the art confirmation, check its air-tightness；Then waste liquid receives tank transport to production unit；
A small amount of propellant waste liquid that step 8.2 is dropped in test Factory Building directly uses decontamination solution to process；Rinse the waste water produced to discharge to waste water system after dilution, it is prevented that flow into sewer.
Above-mentioned application example is only for illustrating technology design and the feature of the present invention; its object is to allow those skilled in the art will appreciate that present disclosure and to implement accordingly; can not limit the scope of the invention with this; all equivalences made according to spirit of the invention change or amendment, all should cover within protection scope of the present invention.
Claims (4)
1. the safety protecting method of a propellant containers dynamic environmental test, it is characterised in that in turn include the following steps:
Step 1. experimental safe risk classifications is analyzed, and experimental safe risk includes liquid propellant risk of leakage, liquid propellant risk of toxicity and liquid propellant pollution risk；
Step 1.1 liquid propellant risk of leakage is analyzed, and liquid propellant leakage has two kinds of situations: a kind of be the fuel agent of liquid propellant and oxidant leaks simultaneously, and another kind is the fuel agent of liquid propellant or oxidant individually leaks；
Step 1.2 liquid propellant risk of toxicity is analyzed, and liquid propellant enters human body and causes poisoning；
Step 1.3 liquid propellant Controlling instruments, the pollution of environment is included two classes by liquid propellant: one is propellant steam or the combustion gas pollution to air；Two is propellant waste liquid and the sewage pollution to water quality；
Step 2. calculates explosive equivalent and Factory Building internal security distance,
When fuel leaks with oxidant and mixes simultaneously, according to below equation, by the explosive equivalent calculation Factory Building internal security distance of fuel with oxidant combination,
D=KQ1/3
In formula, D is safe distance, and unit is rice；K is safety coefficient, and unit is every kilogram of rice, and the Factory Building K having protection earth embankment is 3.6, and the Factory Building K of unshielded earth embankment is 7.2；Q is explosive TNT equivalent；
Step 3. Selection experiment Factory Building,
Select the explosion-proof plants meeting step 2 calculated test Factory Building internal security distance D as the test Factory Building of propellant containers dynamic environmental test；Then it is divided in hazardous area, field by test Factory Building and the region of periphery thereof place of safety and security area outside the venue；It is provided with portable gas detector, spraying system of fire fighting, video monitoring equipment in test Factory Building；
Step 4. propellant containers dynamic environmental test process monitoring,
Step 4.1 pretest inspection, before on-test checkout facility device and test Factory Building in safety guarantee equipment state whether normal；
Propellant leakage monitoring in step 4.2 test, in process of the test, the situation that safety guarantee personnel place of safety inside exists the liquid propellant leakage described in step 1.1 by testing the video monitoring system in Factory Building to monitor whether；When safety guarantee personnel find product exception by video monitoring system, assay device should be closed immediately, wear protective garment and holohedral form canister respirator, wear protective gloves, carry portable gas detector enter hazardous area detect, it may be judged whether occur propellant leakage；
Propellant pollution monitoring after step 4.3 off-test, after off-test, propellant gas concentration in safety guarantee librarian use portable gas monitoring instrument detection test Factory Building, determines whether there is the situation of propellant pollution described in step 1.3 according to concentration change trend；
Step 5. takes safe handling measure, according to step 4 propellant containers dynamic environmental test process monitoring, it is determined that the experimental safe risk classifications in test Factory Building, takes safe handling measure targetedly, eliminates burning or risk of explosion；
Step 5.1 is when in being tested by step 4.2, propellant leakage monitoring is judged as the situation that there is propellant leakage, and safety guarantee personnel should cut off the power supply in test Factory Building immediately, then determines whether,
Step 5.1.1 such as safety guarantee personnel are defined as oxidant and fuel agent leaks simultaneously, it should open the spraying system of fire fighting in test Factory Building immediately, simultaneously except safety guarantee personnel, and hazardous area and full complement's emergency evacuation of place of safety in field；
Step 5.1.2 such as safety guarantee personnel are defined as oxidant and leak in a large number or fuel agent leaks in a large number, it should process according to the method for step 5.1.1；Oxidant micro-leakage or fuel agent micro-leakage it is defined as such as safety guarantee personnel, hazardous area should be entered when wearing protective garment and holohedral form canister respirator, wearing protective gloves, let out the system pressure except propellant containers, carry out oxidant micro-leakage process according to step 5.2 respectively or carry out the process of fuel agent micro-leakage according to step 5.3；
Step 5.2 oxidant micro-leakage processes,
Step 5.2.1 is used for collecting, at liquid propellant container leakage position reception container placed below, the oxidant leaked out, and searches the leakage point of liquid propellant container, and leakage point is taked blocking or security measure stop a leak；
The oxidant that step 5.2.2 docks in receptacle carries out decontamination process, or places decontamination solution in receiving vessel in advance, forms oxidant waste liquid after decontamination；
Step 5.2.3 rinses, with a large amount of water, the liquid propellant container speckling with oxidant and receives vessel surface, rinses the waste water produced and discharges to waste water system after dilution, it is prevented that flows into sewer；
Step 5.3 fuel agent micro-leakage processes,
Step 5.3.1 is used for collecting, at liquid propellant container leakage position reception container placed below, the fuel agent leaked out, and searches the leakage point of liquid propellant container, and leakage point is taked blocking or security measure stop a leak；
The a large amount of clear water of fuel agent that step 5.3.2 docks in receptacle rinse formation fuel agent waste liquid, or directly adsorb the fuel agent of leakage at the leakage point of liquid propellant container with sand；
Step 5.3.3 rinses, with a large amount of water, the liquid propellant container speckling with fuel agent and receives vessel surface, rinses the waste water produced and discharges to waste water system after dilution, it is prevented that flows into sewer；
Step 5.4 is when propellant pollution monitoring after by step 4.3 off-test is judged as the situation that there is propellant pollution, or after step 5.1 to step 5.3 takes propellant leakage safe handling measure, take decontamination, venting practice to make propellant gas concentration lower than 0.2ppm in hazardous area, then product is pulled down by product installation personnel from assay device, is then proceeded decontamination by propellant safety guarantee personnel, ventilation operation is down to normally；
Oxidant waste liquid and the fuel agent waste collection of step 5.3.2 formation that step 5.2.2 is formed by step 5.5 receive in tank to different waste liquids；
Step 6. propellant waste liquid and sewage disposal,
Step 5.5 waste liquid is received step 6.1 the oxidant waste liquid in tank and fuel agent waste liquid decontaminant carries out decontamination process；Waste liquid is received tank and carries out state of the art confirmation, check its air-tightness；Then waste liquid receives tank transport to production unit；
A small amount of propellant waste liquid that step 6.2 is dropped in test Factory Building directly uses decontamination solution to process；Rinse the waste water produced to discharge to waste water system after dilution, it is prevented that flow into sewer.
2. the safety protecting method of a kind of propellant containers dynamic environmental test as claimed in claim 1, it is characterized in that: in described step 4.2, the criterion of propellant leakage is: when propellant gas concentration is judged as being absent from the situation of propellant leakage not less than 0.5ppm and when not being visually observed liquid propellant micro-leakage, safety guarantee personnel leave hazardous area, proceed test；When propellant gas concentration more than 0.5ppm and is judged as the situation that there is propellant micro-leakage less than 5ppm or when being visually observed liquid propellant micro-leakage；When propellant gas concentration more than 5ppm or is visually observed when liquid propellant leaks in a large number and is judged as there is the situation that propellant leaks in a large number.
3. the safety protecting method of a kind of propellant containers dynamic environmental test as claimed in claim 1, it is characterised in that: the reception container in described step 5.2.1 and step 5.3.1 is rustless steel, plastic containers or glass container.
4. the safety protecting method of a kind of propellant containers dynamic environmental test as claimed in claim 1, it is characterized in that: the safety protecting method of described propellant containers dynamic environmental test also includes liquid propellant risk of toxicity safe handling measure, when step 4 and step 5 carry out safety guarantee personnel or other staff in process, the liquid propellant risk of toxicity described in step 1.2 occurs, corresponding first aid and measure of saving oneself should be taked according to different types of propellant toxicity.
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| CN201410745950.7A CN105738084A (en) | 2014-12-08 | 2014-12-08 | Propellant container mechanical environment test safety protection method |
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| CN113504008A (en) * | 2021-07-13 | 2021-10-15 | 江铃汽车股份有限公司 | Detection method, detection test paper and reagent for automobile collision fuel leakage |
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| CN113504008A (en) * | 2021-07-13 | 2021-10-15 | 江铃汽车股份有限公司 | Detection method, detection test paper and reagent for automobile collision fuel leakage |
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