CN105954152A - Gas matter leakage simulation experiment set - Google Patents
Gas matter leakage simulation experiment set Download PDFInfo
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- CN105954152A CN105954152A CN201610384936.8A CN201610384936A CN105954152A CN 105954152 A CN105954152 A CN 105954152A CN 201610384936 A CN201610384936 A CN 201610384936A CN 105954152 A CN105954152 A CN 105954152A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
- G01N2013/003—Diffusion; diffusivity between liquids
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Abstract
A gas matter leakage simulation experiment set comprises a gas generating unit. The gas matter leakage simulation experiment set is technically characterized in that the input end of the gas generating unit is connected with an air inlet and a dangerous matter adding unit, the output end of the gas generating unit is connected with the input end of a simulation experiment space unit, the input end of the simulation experiment space unit is further connected with a humidity and temperature simulation environment adjusting unit, and detecting probes are evenly distributed in the simulation experiment space unit; the output end of the simulation experiment space unit is connected with the input end of a data analysis unit through a data receiving unit; the output end of the simulation experiment space unit is connected with a gas recycling unit and the input end of a liquid recycling unit through a spraying unit. According to the device, the spatial scale convert coefficient of gas risk matter diffusion rules is found through the diffusion motion on risk matter under the experiment bin condition and the difference between the gas risk matter diffusion rules under different conditions, the accuracy of indoor experiments is improved, and a reliable basis is provided for determining the optimum safe distance in actual emergency rescue.
Description
Technical field
The invention belongs to poisonous gas leakage and estimate environmental risk technical field, a kind of gaseous matter leakage analogue experiment installation utilizing gaseous matter Release and dispersion scope and concentration in laboratory experiment method prediction actual environment.
Background technology
It is known that toxic and harmful at air once leakage, by endanger at any time the side of body mankind life.
Oil, chemical enterprise throughout world various places current, during producing, store, transport and using, there is various inflammable and explosive and poisonous and hazardous dangerous substance.Once these dangerous harmful substances leak, it will cause fire, blast or intoxication accident, it is not only possible to cause huge casualties, property loss, also can have a far reaching influence environment.
Saying with regard to China, for over ten years while modern industry high speed development, toxic and harmful accidental leakage makes people startling also into build phase, the frequency of generation and level of materiality.
Since entering 2013, according to statistics, cut-off August nationwide is the most own through there occurs tens of toxic and harmful leakage accident.
These lessons written in blood warn the urgency of our research environment specified risk material Release and dispersion behavior invariably.In order to prevent the generation of this type of accident and provide positive remedial measure after accident occurs, determine the optimized protection distance that accident burst is on-the-spot, it is necessary to Release and dispersion mode and path to gaseous environment specified risk material are studied.Therefore, observation after needing a set of experimental provision that gas specified risk material is leaked, obtain gas diffusion flow field in simulation experiment space cell and dynamic process, in combination with under data receipt unit and data analysis unit cooperation, the means such as theory analysis and numerical simulation of employing disclose flow behavior and the development law thereof of gas leakage diffusion, predict its Time Distribution, thus provide strong theoretical direction and data supporting for emergency management and rescue and evacuation decision-making.
Summary of the invention
It is an object of the invention to provide a kind of gaseous matter leakage analogue experiment installation utilizing gaseous matter Release and dispersion scope and concentration in laboratory experiment method prediction actual environment.
The present invention seeks to realize by following technical solution: a kind of gaseous matter leakage analogue experiment installation, it includes vehicle-mounted container, and the gas generating unit being arranged in vehicle-mounted container, it is characterized in that: described gas generating unit input is connected with air intlet and specified risk material adding device respectively, gas generating unit outfan is connected with simulation experiment space cell input, simulation experiment space cell input also regulates unit with the simulated environment of temperature, humidity, is also evenly equipped with detection probe in simulation experiment space cell；Simulation experiment space cell outfan is connected with data analysis unit input by data receipt unit；Simulation experiment space cell outfan is connected with the input of liquid recovery unit with gas recovery unit and by spray unit the most respectively.
Function and the effect of unit of the present invention are as follows:
(1) gas generating unit: by air filter by air filtration, deliver into simulation experiment space by air-introduced machine, air-introduced machine may select the leak rate that different rates is different to simulate gas.
(2) gas specified risk material adding device: before pure air enters simulation experiment space cell, gas specified risk material adding device may select and is mixed into the toner from colorant bucket or the specified risk material from gas specified risk material storage bottle in pure air, enters simulation experiment space cell at leakage hole after being sufficiently mixed.
(3) simulation experiment space cell: mixed gas enters simulation experiment space cell through leakage hole with certain speed, it is diffused with the motion mode that it is own, detection probe in simulation experiment space cell can by record through concentration and the time of mixed gas risk material, and real-time incoming data receipt unit.Simultaneously because also with colorant in mixed gas, the visual and clear leakage way representing mixed gas of high-definition camera and diffusion path therefore can be passed through, with reduce mixed gas leakage after motor process.
(4) simulated environment regulation unit: this unit mainly concentrates on simulation experiment space cell top, its effect predominantly changes condition for simulated environment, and wherein thermoregulator range of accommodation is-25 DEG C ~ 30 DEG C, and humidistat range of accommodation is 30% ~ 80%.
(5) data receipt unit: data receipt unit mainly forms by being positioned at the detection probe in simulation experiment storehouse, high-definition camera and receptor three part, detection probe becomes matrix form sector to be distributed in simulation experiment space, to ensure that detection probe detection data can fully reflect the diffusion process of mixed gas.High-definition camera then can record the collection for data of the overall process that coloured mixed gas spreads in simulation experiment space cell, detection probe and high-definition camera, and return data are converted into the incoming data analysis unit of the signal of telecommunication by receptor.
(6) data analysis unit: this unit constitutes predominantly computer, by data receipt unit gathers the analysis and arrangement of data, provides the diffusion motion mode of mixed gas in simulation experiment space cell in real time.
(7) gas recovery unit: be collected through gas concentration unit by the mixed gas of simulation experiment space cell, then by air-introduced machine, the mixed gas in pipeline is sent into activated carbon adsorption depurator, it is stable with guarantee storehouse internal gas pressure that the clean gas part produced after purification sends simulation experiment space cell back to, and redundance enters in atmospheric environment.
(8) spray unit: this unit is predominantly located at simulation experiment space cell top, work and mainly removed sour gas or the alkaline gas of residual in simulation experiment space cell by alkali liquor, acid solution or other liquid, reach to clean the purpose of simulation experiment space cell.
(9) liquid recovery unit: after the liquid that spray unit produces mixes with gas specified risk material, drop to ground, the guiding gutter being positioned at bottom simulation experiment storehouse, after collecting, enter sewage purification system and process.
Present invention have the advantage that
1) possess dissimilar gas is carried out the ability of experimental simulation, diffusion rate and the concentration of gas specified risk material can be grasped in real time by popping one's head in being distributed in simulation experiment storehouse, in the most incoming computer, in drawing simulation experiment storehouse, each test point gas specified risk material changes over curve, the clear and intuitive spread condition illustrating gas specified risk material.
2) present invention with the addition of colorant bucket in gas specified risk material adding device, to ensure that gas specified risk material can pass through direct visual perception in diffusion process, high-definition camera record can be used in the process simultaneously, have apparent understanding for grasping the diffusion path of gas specified risk material.
3) present invention adds simulated environment regulation unit, the existence of this unit can make this experimental provision simulation gas specified risk material spread condition under the conditions of different humidity.The present invention can also control the leakage rate of gas specified risk material by controlling the exploitation speed of air-introduced machine in gas generating unit simultaneously.
4) present invention is by the research of the diffusion motion of specified risk material under the conditions of experiment bin, the difference of explorative experiment condition and the Diffusion Law of natural environmental condition gas specified risk material is to similar, find out the space scale conversion factor of the two, thus improve constantly the degree of accuracy of laboratory experiment, provide reliable basis for best safety determination of distance in actual emergency management and rescue.
Accompanying drawing explanation
Fig. 1 is the technological process simplified schematic diagram of the present invention；
Fig. 2 is gas generating unit simplified schematic diagram in Fig. 1；
Fig. 3 is gas specified risk material adding device simplified schematic diagram in Fig. 1；
Fig. 4 is simulation experiment space cell simplified schematic diagram in Fig. 1；
Fig. 5 is data receipt unit simplified schematic diagram in Fig. 1；
Fig. 6 is gas recovery unit simplified schematic diagram in Fig. 1；
Fig. 7 is spray unit simplified schematic diagram in Fig. 1；
Fig. 8 is liquids recovery simplified schematic diagram in Fig. 1；
Fig. 9 be the present invention be embodied as structural representation sketch.
nullCritical piece explanation in Fig. 9: A-gas generating unit，B-gas specified risk material adding device，C-simulation experiment space cell，S-temperature、The simulated environment regulation unit of humidity，E-data receipt unit，F-data analysis unit，G-gas recovery unit，H-spray unit，I-liquid recovery unit，Z-vehicle-mounted container，A-A1-air filter，A-A2-air-introduced machine，B-B1-colorant bucket，B-B2-gas specified risk material storage bottle，B-B3-leakage hole，C-simulation experiment storehouse，S-S1-thermoregulator，S-S2-humidistat，E-E1-detection probe，E-E2-high-definition camera，E-E3-receptor，F-computer，G-G1-gas collector，G-G2-gas supplementary device，G-G3、G4、G5-valve，G-G6-air-introduced machine，G-G7-activated carbon adsorption depurator，H-H1-water pump，H-H2-shower nozzle，I-I1-guiding gutter，I-I2-water pump，I-I2-sewage disposal system.
Below in conjunction with accompanying drawing by example, the present invention is described in further detail, but following example is only the example of the present invention, do not represent the rights protection scope that the present invention is limited；The scope of the present invention is as the criterion with claims.
Detailed description of the invention
Example
1
As shown in accompanying drawing 1-9, Z in figure is vehicle-mounted container, and the gas generating unit A being arranged in vehicle-mounted container Z, this gas generating unit A input is connected with air intlet and gas specified risk material adding device B respectively, gas generating unit A outfan is connected with simulation experiment space cell C input, simulation experiment space cell C input also regulates cell S with the simulated environment of temperature, humidity, is also evenly equipped with detection probe in simulation experiment space cell；Simulation experiment space cell C outfan is connected with data analysis unit F input by data receipt unit E；Simulation experiment space cell C outfan input with gas recovery unit G and by spray unit H with liquid recovery unit I the most respectively is connected.
First to the thermoregulator S1 and humidistat S2 by simulated environment regulation cell S, in the range of-25 DEG C ~ 30 DEG C temperature regulating range and 30% ~ 80% humidity regulation, set the temperature and humidity simulated several times, it is simulated experiment the most successively, thus realizes the environmental risk content leaks simulation under varying environment background.nullThen under the effect of air-introduced machine A2，After passing air through air filter A1 purification，After pure air is sufficiently mixed with the toner from colorant bucket B1，In leakage hole B3 enters into simulation experiment space cell C，The coloured mixed gas entered in simulation experiment space cell C leaks with certain speed，It is diffused with the diffusion way of himself，The high-definition camera E2 being now in simulation experiment space cell C carries out shooting, collecting in real time to coloured mixed gas therein，And synchronize to be delivered to data receptor E3，Finally deliver to finishing analysis in computer F calculate，The coloured mixed gas completing experiment is collected through gas collector G1，The most successively by valve G3、Valve G4、Valve G5 opens，Under the effect of air-introduced machine G6, the gas collected is sent in air filter G7，Simulation experiment space cell C is sent back to through gas supplementary device G2 through a purified gas part，Another part enters in air through valve G5.
Related data by above-mentioned simulation experiment, diffusion rate and the concentration of gas specified risk material can be grasped in real time by popping one's head in being distributed in simulation experiment storehouse, in the most incoming computer, in drawing simulation experiment storehouse, each test point gas specified risk material changes over curve, the clear and intuitive spread condition illustrating gas specified risk material.
Example
2
As shown in accompanying drawing 1-9, structure is identical with example 1, therefore omits it.
First to the thermoregulator S1 and humidistat S2 by simulated environment regulation cell S, in the range of-25 DEG C ~ 30 DEG C temperature regulating range and 30% ~ 80% humidity regulation, set the temperature and humidity of this simulation, thus realize the environmental risk content leaks simulation under varying environment background.nullThen under the effect of air-introduced machine A2，After passing air through air filter A1 purification，After pure air is sufficiently mixed with the mixed gas from gas specified risk material storage bottle B2，In leakage hole B3 enters into simulation experiment space cell C，The mixed gas entered in simulation experiment space cell C leaks with certain speed，It is diffused with the diffusion way of himself，The gas specified risk material of its process is monitored by detection probe E1 in real time that be now in simulation experiment storehouse，And synchronize to be delivered in receptor E3 data，Finally deliver to finishing analysis in computer F1 system calculate，The coloured mixed gas completing experiment is collected through gas collector G1，The most successively by valve G3、Valve G4、Valve G5 opens，Under the effect of air-introduced machine G6, the gas collected is sent in air filter G7，Through a purified gas part in gas supplementary device G2 sends simulation experiment space cell C back to，Another part enters in air through valve G5.For the gas still remained in simulation experiment storehouse, can pass through under the effect of water pump H1, then the liquid sprayed by shower nozzle H2 is carried out, the waste liquid of generation, through guiding gutter I1, delivers to the process of sewage disposal system I3 under the effect of water pump I2.
Example
3
As shown in accompanying drawing 1-9, structure is identical with example 1, therefore omits it.
First to the thermoregulator S1 and humidistat S2 by simulated environment regulation cell S, in the range of-25 DEG C ~ 30 DEG C temperature regulating range and 30% ~ 80% humidity regulation, set the temperature and humidity of this simulation, thus realize the environmental risk content leaks simulation under varying environment background.nullThen under the effect of air-introduced machine A2，After passing air through air filter A1 purification，Through gas specified risk material adding device B，After pure air is successively sufficiently mixed with the toner from colorant bucket B1 and the gas specified risk material from gas specified risk material storage bottle B2，In leakage hole B3 enters into simulation experiment space cell C，The coloured mixed gas entered in simulation experiment space cell C leaks with certain speed，It is diffused with the diffusion way of himself，It is now in detection probe E1 in simulation experiment storehouse and high-definition camera E2 coloured mixed gas of its process is monitored in real time，Detection probe E1 collects the concentration change of coloured mixed gas different time diverse location，High-definition camera E2 then have recorded coloured mixed gas overall process of diffusion motion in simulation experiment space cell C，Analogue signal and picture signal will be delivered to receptor E3 in the process，It is then sent to finishing analysis in computer system F1 calculate，The coloured mixed gas completing experiment is collected through gas collector G1，Now by valve G3、Valve G4、Valve G5 opens，Under the effect of air-introduced machine G6, the gas collected is sent in air filter G7，Through a purified gas part in gas supplementary device G2 sends simulation experiment space cell C back to，Another part enters in air through valve G5.For the gas still remained in simulation experiment storehouse, can be by under the effect of water pump H1, the liquid sprayed by shower nozzle H2 is carried out, and the waste liquid of generation, through guiding gutter I1, delivers to the process of sewage disposal system I3 under the effect of water pump I2.It is achieved thereby that the purpose of the present invention.
Claims (9)
1. a gaseous matter leakage analogue experiment installation, it includes vehicle-mounted container, and the gas generating unit being arranged in vehicle-mounted container, it is characterized in that: described gas generating unit input is connected with air intlet and specified risk material adding device respectively, gas generating unit outfan is connected with simulation experiment space cell input, simulation experiment space cell input also regulates unit with the simulated environment of temperature, humidity, is also evenly equipped with detection probe in simulation experiment space cell；Simulation experiment space cell outfan is connected with data analysis unit input by data receipt unit；Simulation experiment space cell outfan is connected with the input of liquid recovery unit with gas recovery unit and by spray unit the most respectively.
Gaseous matter the most according to claim 1 leakage analogue experiment installation, it is characterised in that: described gas generating unit: by air filter by air filtration, and deliver into simulation experiment space cell by the air-introduced machine of different rates.
Gaseous matter the most according to claim 1 leakage analogue experiment installation, it is characterized in that: described gas specified risk material adding device is: before pure air enters simulation experiment space cell, gas specified risk material adding device may select and is mixed into the toner from colorant bucket or the specified risk material from gas specified risk material storage bottle in pure air, enters simulation experiment space cell at leakage hole after being sufficiently mixed.
Gaseous matter the most according to claim 1 leakage analogue experiment installation, it is characterized in that: described temperature, the simulated environment regulation unit of humidity: this unit mainly concentrates on simulation experiment space cell top, condition is changed for simulated environment, wherein thermoregulator range of accommodation is-25 DEG C ~ 30 DEG C, and humidistat range of accommodation is 30% ~ 80%.
Gaseous matter the most according to claim 1 leakage analogue experiment installation, it is characterized in that: described data receipt unit mainly forms by being positioned at the detection probe in simulation experiment storehouse, high-definition camera and receptor three part, detection probe becomes matrix form sector to be distributed in simulation experiment space, and this detection probe can fully reflect the detection data of mixed gas diffusion process；High-definition camera records the collection for data of the overall process that coloured mixed gas spreads in simulation experiment space cell, detection probe and high-definition camera, and return data are converted into the incoming data analysis unit of the signal of telecommunication by receptor.
Gaseous matter the most according to claim 1 leakage analogue experiment installation, it is characterized in that: described data analysis unit is configured to computer, by data receipt unit being gathered the analysis and arrangement of data, provide the diffusion motion mode of mixed gas in simulation experiment space cell in real time.
Gaseous matter the most according to claim 1 leakage analogue experiment installation, it is characterized in that: described gas recovery unit is to be collected through gas concentration unit by the mixed gas of simulation experiment space cell, then by air-introduced machine, the mixed gas in pipeline is sent into activated carbon adsorption depurator, it is stable with guarantee storehouse internal gas pressure that the clean gas part produced after purification sends simulation experiment space cell back to, and redundance enters in atmospheric environment.
Gaseous matter the most according to claim 1 leakage analogue experiment installation, it is characterized in that: described spray unit is arranged on simulation experiment space cell top, removed sour gas or the alkaline gas of residual in simulation experiment space cell by alkali liquor, acid solution or other liquid.
9. leak analogue experiment installation according to the gaseous matter described in claim 1 or 8, it is characterized in that: after described liquid recovery unit refers to that the liquid that spray unit produces mixes with gas specified risk material, it drop to ground, after being collected by the guiding gutter being positioned at bottom simulation experiment storehouse, enter sewage purification system and process.
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| CN106679105A (en) * | 2017-01-12 | 2017-05-17 | 刘懿 | Indoor flow field follow-up control split type air purification system |
| CN106840588A (en) * | 2017-03-10 | 2017-06-13 | 中国石油大学(华东) | A kind of heavy gas leakage diffusion simulations and suppression control test system |
| CN109738581A (en) * | 2018-12-24 | 2019-05-10 | 国网北京市电力公司 | System, the method and apparatus of the test of gas-detecting device |
| CN110560194A (en) * | 2018-06-06 | 2019-12-13 | 中国石油化工股份有限公司 | Leakage diffusion real-time simulation experiment platform |
| CN111122067A (en) * | 2020-01-06 | 2020-05-08 | 深圳市燃气集团股份有限公司 | Gas pipeline gas leakage simulation device |
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| CN111122067A (en) * | 2020-01-06 | 2020-05-08 | 深圳市燃气集团股份有限公司 | Gas pipeline gas leakage simulation device |
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