CN105954152B - A kind of gaseous matter leakage imitative experimental appliance - Google Patents
A kind of gaseous matter leakage imitative experimental appliance Download PDFInfo
- Publication number
- CN105954152B CN105954152B CN201610384936.8A CN201610384936A CN105954152B CN 105954152 B CN105954152 B CN 105954152B CN 201610384936 A CN201610384936 A CN 201610384936A CN 105954152 B CN105954152 B CN 105954152B
- Authority
- CN
- China
- Prior art keywords
- unit
- gas
- simulated experiment
- space cell
- experiment space
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- 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
Abstract
A kind of gaseous matter leakage imitative experimental appliance, it includes gas generating unit, and technical essential is：The gas generating unit input terminal is connect with air intlet and specified risk material adding unit respectively, gas generating unit output end is connect with simulated experiment space cell input terminal, simulated experiment space cell input terminal also adjusts unit with temperature, the simulated environment of humidity, is also evenly equipped with detection probe in simulated experiment space cell；Simulated experiment space cell output end is connect by data receipt unit with data analysis unit input terminal；Simulated experiment space cell output end is also connect with gas recovery unit and by the input terminal of spray unit and liquid recovery unit respectively.The present invention passes through the diffusion motion to specified risk material under the conditions of experiment bin, the difference of gas specified risk material Diffusion Law at different conditions, the space scale conversion factor of the two is found out, and improves the accuracy of laboratory experiment, provides reliable basis for best safety determination of distance in practical emergency management and rescue.
Description
Technical field
The invention belongs to poisonous gas leakages to estimate environmental risk technical field, specifically a kind of to utilize laboratory experiment
Method predicts that the gaseous matter of gaseous matter Release and dispersion range and concentration leaks imitative experimental appliance in actual environment.
Background technique
It is well known that toxic and harmful gas is in air once danger at any time, is coerced the life of the mankind by leakage.
Petroleum, chemical company's throughout world various regions it is current, in production, storage, transport and use process there is
Various inflammable and explosive and poisonous and hazardous dangerous substance.Once these dangerous harmful substances leak, it will cause fire, quick-fried
Fried or intoxication accident, it is not only possible to cause huge casualties, property loss, also can cause environmental pollution, have a far reaching influence.
China is sayed, for over ten years while modern industry high speed development, toxic and harmful gas accidental leakage
Build phase is entered, the frequency and level of materiality of generation make people startling.
Since entering 2013, according to statistics, being had occurred in the cut-off August is nationwide with regard to oneself tens of toxic has
Evil gas leakage accidents.
These lessons written in blood warn the urgency of our research environment specified risk material Release and dispersion behaviors invariably.In order to pre-
Prevent the generation of such accident and positive remedial measure be provided after the accident, determine accident burst scene optimized protection away from
From, it is necessary to the Release and dispersion mode of gaseous environment specified risk material and path are studied.Therefore, it is necessary to a set of experimental provisions
To the observation after the leakage of gas specified risk material, diffusion flow field and dynamics mistake of the gas in simulated experiment space cell are obtained
Journey is taken off in combination under data receipt unit and data analysis unit cooperation using means such as theory analysis and numerical simulations
The flow behavior and its development law for showing gas leakage diffusion, predict its Time Distribution, to for emergency management and rescue and dredge
Scattered decision-making provides strong theoretical direction and data supporting.
Summary of the invention
Gaseous matter Release and dispersion in laboratory experiment method prediction actual environment is utilized the object of the present invention is to provide a kind of
The gaseous matter of range and concentration leaks imitative experimental appliance.
Object of the present invention is to by following technical solution to realize：A kind of gaseous matter leakage imitative experimental appliance, it
It include vehicle-mounted container, and the gas generating unit being arranged in vehicle-mounted container, it is characterised in that：The gas hair
Raw unit input terminal is connect with air intlet and specified risk material adding unit respectively, gas generating unit output end and simulated experiment
The connection of space cell input terminal, simulated experiment space cell input terminal also adjusts unit with temperature, the simulated environment of humidity, in mould
Detection probe is also evenly equipped in draft experiment space cell；Simulated experiment space cell output end passes through data receipt unit and data
The connection of analytical unit input terminal；Simulated experiment space cell output end also respectively with gas recovery unit and pass through spray unit
It is connect with the input terminal of liquid recovery unit.
The function of each unit of the present invention and effect are as follows：
（1）Gas generating unit：By air filter by air filtration, simulated experiment sky is delivered by air-introduced machine
Between, different rates may be selected to simulate the different leak rate of gas in air-introduced machine.
（2）Gas specified risk material adding unit：Before pure air enters simulated experiment space cell, gas specified risk material adds
Unit is added to may be selected to be mixed into the toner from colorant bucket or the specified risk material from gas specified risk material storage bottle in pure air,
Enter simulated experiment space cell after being sufficiently mixed at leakage hole.
（3）Simulated experiment space cell：Mixed gas enters simulated experiment space cell by leakage hole with certain speed,
It is diffused with the motion mode that its is own, the detection probe in simulated experiment space cell can be by passed through mixed gas apoplexy
The concentration of dangerous substance and time are recorded, and are passed to data receipt unit in real time.Simultaneously because also with color in mixed gas
Material, therefore can be by the visual and clear leakage way for showing mixed gas of high-definition camera and diffusion path, to restore mixing
Motion process after gas leakage.
（4）Simulated environment adjusts unit：The unit mainly concentrates at the top of simulated experiment space cell, and effect is main
To change condition for simulated environment, wherein thermoregulator adjustable range is -25 DEG C ~ 30 DEG C, and humidistat adjustable range exists
30%~80%。
（5）Data receipt unit：Data receipt unit is mainly by the detection probe in simulated experiment storehouse, high-definition camera
Machine and receiver three parts composition, detection probe is distributed in simulated experiment space at matrix form sector, to guarantee detection probe
Detection data can sufficiently reflect the diffusion process of mixed gas.High-definition camera then can recorde coloured mixed gas and simulate
The overall process spread in lab space unit, detection probe and high-definition camera are used for the collection of data, and receiver will return to number
Data analysis unit is passed to according to electric signal is converted into.
（6）Data analysis unit：It is mainly computer that the unit, which is constituted, is divided by acquiring data to data receipt unit
Analysis arranges, and provides the diffusion motion mode of mixed gas in simulated experiment space cell in real time.
（7）Gas recovery unit：It is received by the mixed gas of simulated experiment space cell by gas concentration unit
Then mixed gas in pipeline is sent into activated carbon adsorption clarifier, the clean gas generated after purification by air-introduced machine by collection
A part sends simulated experiment space cell back to guarantee stable gas pressure in storehouse, and redundance is discharged into atmospheric environment.
（8）Spray unit：The unit is predominantly located at the top of simulated experiment space cell, work mainly by lye,
Remaining sour gas or alkaline gas in acid solution or other liquid removal simulated experiment space cell, reach cleaning simulated experiment
The purpose of space cell.
（9）Liquid recovery unit：After the liquid that spray unit generates is mixed with gas specified risk material, it is drop to ground, by
After the diversion trench collection in simulated experiment orlop portion, it is discharged into sewage purification system and is handled.
The invention has the advantages that：
1）Have the ability that experiment simulation is carried out to different type gas, it can be with by being distributed in simulated experiment storehouse probe
The diffusion rate and concentration of gas specified risk material are grasped in real time, while in incoming computer, being drawn in simulated experiment storehouse and respectively being detected
Point gas specified risk material changes over time curve, and clear and intuitive illustrates the spread condition of gas specified risk material.
2）The present invention is added to colorant bucket in gas specified risk material adding unit, to guarantee that gas specified risk material is being spread
In the process can be by direct visual perception, while can be recorded in the process with high-definition camera, for grasping gas wind
The diffusion path of dangerous substance has clearer understanding.
3）Present invention adds simulated environments to adjust unit, and the presence of the unit can make the simulation of this experimental provision in difference
Gas specified risk material spread condition under damp condition.The present invention can also pass through air-introduced machine in control gas generating unit simultaneously
Exploitation speed control the leakage rate of gas specified risk material.
4）The present invention passes through the research to the diffusion motion of specified risk material under the conditions of experiment bin, explorative experiment condition and nature
The difference of the Diffusion Law of environmental condition gas specified risk material and space scale conversion factor that is similar, both finding out, thus not
The disconnected accuracy for improving laboratory experiment, provides reliable basis for best safety determination of distance in practical emergency management and rescue.
Detailed description of the invention
Fig. 1 is process flow simplified schematic diagram of the invention；
Fig. 2 is gas generating unit simplified schematic diagram in Fig. 1；
Fig. 3 is gas specified risk material adding unit simplified schematic diagram in Fig. 1；
Fig. 4 is simulated 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 is specific implementation structure schematic diagram of the invention.
Main component explanation in Fig. 9：A- gas generating unit, B- gas specified risk material adding unit, C- simulated experiment are empty
Between unit, S- temperature, the simulated environment of humidity adjust unit, E- data receipt unit, F- data analysis unit, G- gas recycling
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- simulated experiment storehouse, S-S1- thermoregulator, S-
S2- humidistat, E-E1- detection probe, E-E2- high-definition camera, E-E3- receiver, F- computer, G-G1- gas are received
Acquisition means, G-G2- gas supplementary device, G-G3, G4, G5- valve, G-G6- air-introduced machine, G-G7- activated carbon adsorption clarifier, H-
H1- water pump, H-H2- spray head, I-I1- diversion trench, I-I2- water pump, I-I3-sewage disposal system.
Below in conjunction with attached drawing by example, invention is further described in detail, but following examples are only this hair
Bright example does not represent rights protection scope defined by the present invention；The scope of the present invention is wanted with right
It asks subject to book.
Specific embodiment
Example 1
As shown in attached drawing 1-9, the Z in figure is vehicle-mounted container, and the gas being arranged in vehicle-mounted container Z occurs
Unit A, the gas generating unit A input terminal are connect with air intlet and gas specified risk material adding unit B respectively, and gas occurs
Unit A output end is connect with simulated experiment space cell C input terminal, simulated experiment space cell C input terminal also with temperature, humidity
Simulated environment adjust cell S, be also evenly equipped with detection probe in simulated experiment space cell；Simulated experiment space cell C is defeated
Outlet is connect by data receipt unit E with data analysis unit F input terminal；Simulated experiment space cell C output end is also distinguished
It is connect with gas recovery unit G and by spray unit H with the input terminal of liquid recovery unit I.
First to the thermoregulator S1 and humidistat S2 for adjusting cell S by simulated environment, at -25 DEG C ~ 30 DEG C
In temperature regulating range and 30% ~ 80% humidity control range, the temperature and humidity simulated several times is set, mould is then successively carried out
Draft experiment, to realize the environmental risk content leaks simulation under varying environment background.Then under the action of air-introduced machine A2, make
Air is after air filter A1 purification, after pure air is sufficiently mixed with the toner from colorant bucket B1, through leakage hole B3
It enters in simulated experiment space cell C, is let out into the coloured mixed gas in simulated experiment space cell C with certain speed
Leakage, is diffused with the diffusion way of its own, is now in the high-definition camera E2 in simulated experiment space cell C to wherein
Coloured mixed gas real-time perfoming shooting, collecting, and it is synchronous data are delivered to receiver E3, finally send whole into computer F
Manage analytical calculation, the coloured mixed gas for completing experiment is collected by gas collector G1, at this time successively by valve G3,
Valve G4, valve G5 are opened, and the gas of collection is sent into air filter G7 under the action of air-introduced machine G6, after purification
Gas a part send simulated experiment space cell C back to by gas supplementary device G2, another part is discharged into sky by valve G5
In gas.
By the related data of above-mentioned simulated experiment, gas wind can be grasped in real time by being distributed in probe in simulated experiment storehouse
The diffusion rate and concentration of dangerous substance, while in incoming computer, draw each test point gas specified risk material in simulated experiment storehouse
Curve is changed over time, clear and intuitive illustrates the spread condition of gas specified risk material.
Example 2
As shown in attached drawing 1-9, structure is identical as example 1, therefore omits it.
First to the thermoregulator S1 and humidistat S2 for adjusting cell S by simulated environment, at -25 DEG C ~ 30 DEG C
In temperature regulating range and 30% ~ 80% humidity control range, the temperature and humidity of this simulation is set, to realize varying environment
Environmental risk content leaks simulation under background.Then under the action of air-introduced machine A2, it is net to pass air through air filter A1
After change, after pure air is sufficiently mixed with the mixed gas from gas specified risk material storage bottle B2, mould is entered through leakage hole B3
In draft experiment space cell C, leaked into the mixed gas in simulated experiment space cell C with certain speed, with its own
Diffusion way is diffused, the gas specified risk material that the detection probe E1 being now in simulated experiment storehouse passes through it in real time into
Row monitoring, and data are delivered in receiver E3 by synchronization, and finishing analysis is finally sent into computer F1 system to calculate, and are completed real
The coloured mixed gas tested is collected by gas collector G1, at this time successively beats valve G3, valve G4, valve G5
It opens, the gas of collection is sent into air filter G7 under the action of air-introduced machine G6, passed through by purified gas a part
It crosses gas supplementary device G2 to send back in simulated experiment space cell C, another part is discharged into air by valve G5.For in mould
Still remaining gas in draft experiment storehouse, can be by water pump H1 under the action of, then cleaned by the liquid that spray head H2 sprays, generated
Waste liquid through diversion trench I1, send under the action of water pump I2 to sewage disposal system I3 and handled.
Example 3
As shown in attached drawing 1-9, structure is identical as example 1, therefore omits it.
First to the thermoregulator S1 and humidistat S2 for adjusting cell S by simulated environment, at -25 DEG C ~ 30 DEG C
In temperature regulating range and 30% ~ 80% humidity control range, the temperature and humidity of this simulation is set, to realize varying environment
Environmental risk content leaks simulation under background.Then under the action of air-introduced machine A2, it is net to pass air through air filter A1
After change, by gas specified risk material adding unit B, pure air is successively with the toner from colorant bucket B1 and from gas risk
After the gas specified risk material of substance storage bottle B2 is sufficiently mixed, entered in simulated experiment space cell C through leakage hole B3, into mould
Coloured mixed gas in draft experiment space cell C is leaked with certain speed, is diffused with the diffusion way of its own, at this time
The coloured mixed gas real-time perfoming monitoring that detection probe E1 and high-definition camera E2 in simulated experiment storehouse pass through it,
Detection probe E1 collects the concentration variation of coloured mixed gas different time different location, and high-definition camera E2 then has recorded coloured
The overall process of mixed gas diffusion motion in simulated experiment space cell C, analog signal and picture signal will in the process
It is delivered to receiver E3, finishing analysis in computer system F1 is then sent to and calculates, the coloured mixed gas for completing experiment is passed through
Gas collector G1 is collected, and at this time opens valve G3, valve G4, valve G5, will be received under the action of air-introduced machine G6
The gas of collection is sent into air filter G7, sends simulation back in fact by gas supplementary device G2 by purified gas a part
It tests in space cell C, another part is discharged into air by valve G5.It, can for gas still remaining in simulated experiment storehouse
It under the action of water pump H1, is cleaned by the liquid that spray head H2 sprays, the waste liquid of generation is through diversion trench I1, in water pump I2
Under the action of send to sewage disposal system I3 and handled.To realize the purpose of the present invention.
Claims (3)
1. a kind of gaseous matter leaks imitative experimental appliance, it includes vehicle-mounted container, and is arranged in vehicle-mounted container
Interior gas generating unit, it is characterised in that：The gas generating unit input terminal adds with air intlet and specified risk material respectively
Unit is added to connect, gas generating unit output end is connect with simulated experiment space cell input terminal, and simulated experiment space cell is defeated
Enter end also to adjust unit with temperature, the simulated environment of humidity and connect, is also evenly equipped with detection probe in simulated experiment space cell；
Simulated experiment space cell output end is connect by data receipt unit with data analysis unit input terminal；Simulated experiment space is single
First output end is also connect with gas recovery unit and by the input terminal of spray unit and liquid recovery unit respectively；
The gas generating unit：By air filter by air filtration, and delivered by the air-introduced machine of different rates
Simulated experiment space cell；
The gas specified risk material adding unit is：Before pure air enters simulated experiment space cell, gas specified risk material adds
Unit is added to may be selected to be mixed into the toner from colorant bucket or the specified risk material from gas specified risk material storage bottle in pure air,
Enter simulated experiment space cell after being sufficiently mixed at leakage hole；
The temperature, the simulated environment of humidity adjust unit：The unit mainly concentrates at the top of simulated experiment space cell, uses
Condition is changed in simulated environment, wherein thermoregulator adjustable range is -25 DEG C ~ 30 DEG C, and humidistat adjustable range is 30%
~ 80%；
The data receipt unit is mainly by detection probe, high-definition camera and the receiver three parts in simulated experiment storehouse
Composition, detection probe are distributed in simulated experiment space at matrix form sector, which can sufficiently reflect mixed gas
The detection data of diffusion process；The full mistake that the coloured mixed gas that high-definition camera records is spread in simulated experiment space cell
Journey, detection probe and high-definition camera are used for the collection of data, and receiver converts electric signal for returned data and is passed to data point
Analyse unit；
The data analysis unit is configured to computer, by acquiring the analysis and arrangement of data to data receipt unit, gives in real time
Out in simulated experiment space cell mixed gas diffusion motion mode；
The gas recovery unit is to be collected by the mixed gas of simulated experiment space cell by gas concentration unit,
Then the mixed gas in pipeline is sent by activated carbon adsorption clarifier, the clean gas generated after purification one by air-introduced machine
Simulated experiment space cell is sent back to guarantee stable gas pressure in storehouse, redundance is discharged into atmospheric environment.
2. gaseous matter according to claim 1 leaks imitative experimental appliance, it is characterised in that：The spray unit setting
At the top of simulated experiment space cell, remaining acid in simulated experiment space cell is removed by lye, acid solution or other liquid
Property gas or alkaline gas.
3. gaseous matter according to claim 1 leaks imitative experimental appliance, it is characterised in that：The liquid recovery unit
After referring to that the liquid of spray unit generation is mixed with gas specified risk material, it is drop to ground, by being located at simulated experiment orlop portion
After diversion trench is collected, it is discharged into sewage purification system and is handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610384936.8A CN105954152B (en) | 2016-06-02 | 2016-06-02 | A kind of gaseous matter leakage imitative experimental appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610384936.8A CN105954152B (en) | 2016-06-02 | 2016-06-02 | A kind of gaseous matter leakage imitative experimental appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105954152A CN105954152A (en) | 2016-09-21 |
| CN105954152B true CN105954152B (en) | 2018-11-27 |
Family
ID=56908283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610384936.8A Active CN105954152B (en) | 2016-06-02 | 2016-06-02 | A kind of gaseous matter leakage imitative experimental appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105954152B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679105B (en) * | 2017-01-12 | 2019-10-25 | 刘懿 | A kind of Indoor Flow Field tracing control Split type air purification system |
| CN106840588B (en) * | 2017-03-10 | 2019-07-09 | 中国石油大学(华东) | A kind of heavy gas leakage diffusion simulations and inhibit control test system |
| 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 |
| CN109738581B (en) * | 2018-12-24 | 2022-05-10 | 国网北京市电力公司 | System, method and apparatus for testing gas detection apparatus |
| CN111122067B (en) * | 2020-01-06 | 2022-02-25 | 深圳市燃气集团股份有限公司 | Gas pipeline gas leakage simulation device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201247239Y (en) * | 2008-07-15 | 2009-05-27 | 武汉金亚泰仪器设备有限公司 | Environmental simulation experimental apparatus |
| CN203882119U (en) * | 2014-05-28 | 2014-10-15 | 绍兴柯桥滨海供水有限公司 | Dangerous chemical substance leakage prevention self-control system |
| CN204575496U (en) * | 2014-06-23 | 2015-08-19 | 重庆交通大学 | The gas diffusion test confined chamber of adjustable meteorologic parameter |
| CN206002413U (en) * | 2016-06-02 | 2017-03-08 | 沈阳环境科学研究院 | A kind of gaseous matter leaks analogue experiment installation |
-
2016
- 2016-06-02 CN CN201610384936.8A patent/CN105954152B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201247239Y (en) * | 2008-07-15 | 2009-05-27 | 武汉金亚泰仪器设备有限公司 | Environmental simulation experimental apparatus |
| CN203882119U (en) * | 2014-05-28 | 2014-10-15 | 绍兴柯桥滨海供水有限公司 | Dangerous chemical substance leakage prevention self-control system |
| CN204575496U (en) * | 2014-06-23 | 2015-08-19 | 重庆交通大学 | The gas diffusion test confined chamber of adjustable meteorologic parameter |
| CN206002413U (en) * | 2016-06-02 | 2017-03-08 | 沈阳环境科学研究院 | A kind of gaseous matter leaks analogue experiment installation |
Non-Patent Citations (2)
| Title |
|---|
| 《化工气体泄漏事故扩散规律的实验室研究》;施志荣 等.;《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》;20071115;正文第19页倒数第1-2段 * |
| 《石化企业硫化氢泄露的水喷淋控制研究》;张婷婷 等.;《科学技术与工程》;20150228;第15卷(第5期);第202页右栏第1段，图1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105954152A (en) | 2016-09-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105954152B (en) | A kind of gaseous matter leakage imitative experimental appliance | |
| CN104898719B (en) | Pollution sources VOC concentration and total emission volumn real-time monitoring system | |
| CN105572298B (en) | Radioactive emission processing unit inert gas is detained bed Properties of Activated Carbon pilot system | |
| CN104198227A (en) | Catering source particulate matter and volatile organic compound sampling system | |
| CN109765084B (en) | Flue gas grading sampling system and sampling method thereof | |
| CN102902860A (en) | Workplace occupational exposure simulation analysis method based on computational fluid dynamics (CFD) technology | |
| CN102914456A (en) | Oil gas concentration sampling detection device, use method and application thereof | |
| CN104100836B (en) | A kind of natural gas pressure regulating station system | |
| CN206002413U (en) | A kind of gaseous matter leaks analogue experiment installation | |
| CN110320251B (en) | Online detection device and detection method for content of hydrogen sulfide and tetrahydrothiophene in natural gas | |
| CN207007705U (en) | A kind of flue gas inspection device for ship tail gas desulfurizer | |
| CN206489036U (en) | PM2.5 quality and concentration monitor calibrating installations | |
| CN203606339U (en) | Device for detecting sulfur hexafluoride leakage alarming instrument | |
| CN108169101A (en) | A kind of haze window screening filter effect test device and test method | |
| CN203745446U (en) | Flue gas detection device | |
| CN207798624U (en) | A kind of haze window screening filter effect test device | |
| CN102967551A (en) | Test device for detecting carbon dioxide adsorption and detection method | |
| CN208847754U (en) | A kind of automation gas supply system for gas function detecting instrument | |
| CN108279095A (en) | A kind of people's air defense gas-particulate filter tracer penetrates verifying attachment and detection method | |
| CN205384218U (en) | Carbon dioxide acquisition and analysis device of macromolecular material release under controlled compost condition | |
| CN104360014B (en) | Mimic water-depth changes the device to sediment nitrogen phosphorus and heavy metal release venture influence | |
| CN203458945U (en) | Tail gas recovery device utilizing pressure balance control method | |
| CN109588052B (en) | System and device for evaluating performance of carbon dioxide separation membrane module | |
| CN201876407U (en) | Device for monitoring concentration of mechanical cleaning gas for oil tank | |
| CN206710368U (en) | A kind of formaldehyde, ammonia detection means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |