CN103048351A - Toxicity test device for material in combustion and heating states - Google Patents
Toxicity test device for material in combustion and heating states Download PDFInfo
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- CN103048351A CN103048351A CN201310004867XA CN201310004867A CN103048351A CN 103048351 A CN103048351 A CN 103048351A CN 201310004867X A CN201310004867X A CN 201310004867XA CN 201310004867 A CN201310004867 A CN 201310004867A CN 103048351 A CN103048351 A CN 103048351A
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Abstract
The invention discloses a toxicity test device for a material in combusting and heating states. The toxicity test device comprises a control system with a display device, a combustion generator, a smoke analyzer, a temperature sensor, a thermal infrared imager, an air blower, an air exhauster and an automatic extinguishing device. The device can conduct automatic firing or automatic heating on a combustible, acquires and measures temperature of smoke and equipment in real time in the combusting state or the heating state, and duly feeds the automatic fire extinguishing device according to the temperature and an observation situation of combustion flame, so that the combustion of the combustible is in a controllable state all the time; toxic gases decomposed in the combustion state or the heating state at different temperatures are obtained in a fire controllable and temperature controllable space; the contents of components of the toxic gases in the combustion state and the heating state are analyzed by the smoke analyzer; a toxic gas releasing situation of the material before ignition and after the ignition is understood comprehensively; and a scientific basis is provided for corresponding safety protection.
Description
Technical field
The present invention relates to a kind of burning generating means, relate in particular to the toxotest device of a kind of material under burning and heated condition.
Background technology
Material can discharge volume of smoke and poisonous gas in heating and combustion process, have a strong impact on the personnel escape, and the personnel that die in a lot of scenes of a fire die from heat but die from flue gas, these poisonous gas are carried out qualitative, quantitative measure, and receive people's concern always.
In the common fire poisonous gas: CO is most important harmful toxic matter in the fire smoke, the primary toxic gas that also namely causes death; Irritative gas take HCl as representative if exist, then is the earliest by people's perception, reach the primary toxic gas of critical value the earliest; CO
2Be one of main products of combustion of fire, its concentration can reach 15% in some scene of a fire.It mainly stimulates people's respiratory center, causes being short of breath, the flue gas soakage increases, and also can cause headache, the symptom such as drowsiness, clouded in mind.Concentration avirulence less than 5% time, people's breathing difficulty relatively just when reaching 5% can produce certain anesthetic action to the people greater than 5% the time, and in the time of 7%～10%, the forfeiture ability to act stupor just can appear and in the people within a few minutes.Although the toxicity of CO is CO
2100 times, but under the naked light combustion case, CO
2Be only the main reason that causes people's stupor; Cl
2Eyes, the upper respiratory tract and lung tissue are had spread effect, cause shed tears, sneeze, cough and pulmonary emphysema, cause expiratory dyspnea and suffocate; COCl
2Bronchus, alveolar are had spread effect, cause pulmonary emphysema, cause the expiratory dyspnea and suffocate.
The material of occurring in nature can produce a considerable number of, that the intense stimulus effect is arranged aldehydes and acid such as cotton, timber in pyrolytic process, but in the flaming combustion situation, these materials are easily burned and decompose; Along with the development of science and technology, polymkeric substance replaces other material as various materials because having good processability, various performance, rational cost always.Principal ingredient such as the outer insulation jacket that is used as electric wire is superpolymer such as plastics (Polyvinylchloride, cross-linked polrvinyl chloride, tygon, teflon, fluoroplastic, polystyrene etc.), rubber and rubber, can produce a large amount of gas and particle when on fire, wherein contain many toxicants, the cable of some specific use also has many additives, and the smoke components of generation is more complicated.Can generate CO, CO when tygon, teflon burning
2, the gases such as aldehyde can produce CO, CO during the Polyvinylchloride burning
2, HCl, COCl
2Phosgene), Cl
2Deng gas, produce CO, CO during the polystyrene burning
2, CH
3CHO (acetaldehyde), C
6H
6(benzene), C
6H
5CH
3Gases such as (toluene), these gases all can have to personnel's escape material impact; It is incombustible that many materials are arranged, and therefore only has the mode by heating, measures its evolved gas.It is very difficult that the toxicity of all products that up to now, material thermal decomposition or burning produced is carried out accurate and comprehensive identification and analysis.
Summary of the invention
Purpose of the present invention with the toxotest device that provides a kind of material under burning and heated condition, the toxicity of all products that it can produce material thermal decomposition or burning is carried out accurate and comprehensive identification and analysis.
For achieving the above object, the invention provides the toxotest device of a kind of material under burning and heated condition, comprising:
The burning generating means is used for holding test material and it is burnt or heats;
Flue gas analyzer is used for the flue gas in the described burning generating means of the Real-time Collection cavity and carries out oxicity analysis;
Temperature sensor is used for the temperature in the described burning generating means of the Real-time Collection cavity;
Thermal infrared imager utilizes the temperature in the described burning generating means of the infrared principles Real-time Collection cavity.
The air blast blower fan is for delivering oxygen in described burning generating means cavity;
Exhaust fan is used for discharging the flue gas in the described burning generating means cavity;
Control system with display device, it is used for controlling the state of described air blast blower fan and described exhaust fan, obtain and preserve the infrared emanation data of the analysis data of described flue gas analyzer output, the collection of described thermal infrared imager and the temperature data that described temperature sensor gathers, simultaneously with the current data output display that gets access to;
Automatic fire extinguisher is used under described control system control in good time the processing of putting out a fire of the burning test in the described burning generating means cavity.
The toxotest device of material of the present invention under burning and heated condition, described burning generating means comprises cavity and covers with the cavity that links to each other, install bottom in the described cavity heating plate surely, the filter net type material tray is installed on the described heating plate, bottom in the described filter net type material tray is equipped with liquid injection pipe, the upper end filler of described liquid injection pipe is positioned at described filter net type material tray, and its lower end liquid outlet passes the bottom of described filter net type material tray deeply to described heating plate, be provided with the self-extinguishing mouth with described filter net type material tray correspondence position on the front side wall of described cavity, described self-extinguishing mouth links to each other with described automatic fire extinguisher, with described heating plate correspondence position automatic ignition device is being installed on the rear wall of described cavity, described automatic ignition device is controlled by described control system, with described filter net type material tray correspondence position smoke sampling mouth and infrared window are being installed on the left side wall of described cavity, described smoke sampling mouth links to each other with described flue gas analyzer, described infrared window links to each other with described thermal infrared imager, be equipped be used to the blast orifice that holds described air blast fan outlet with described filter net type material tray bottom correspondence position on the right side wall of described cavity, described temperature sensor is installed on the rear wall of described cavity, the probe of described temperature sensor is exposed in the described cavity, is equipped be used to the exhaust opening that holds described exhaust fan air inlet on the rear wall of described cavity lid.
The toxotest device of material of the present invention under burning and heated condition, described cavity and described cavity lid are equipped with sandwiched heat-insulating.
The toxotest device of material of the present invention under burning and heated condition is being provided with the observation eyepiece with described filter net type material tray correspondence position on the front side wall of described cavity.
The toxotest device of material of the present invention under burning and heated condition, the left side wall of described cavity bottom be provided with described cavity in the sewage draining exit that is communicated with.
The toxotest device of material of the present invention under burning and heated condition, the bottom of described cavity is equipped with four self-locking trundles.
The toxotest device of material of the present invention under burning and heated condition, described temperature sensor is provided with a plurality of, and a plurality of described temperature sensors are word order uniformly-spaced from top to bottom.
The toxotest device of material of the present invention under burning and heated condition, described cavity be connected cavity lid and connect by flange seal.
The toxotest device of material of the present invention under burning and heated condition, described automatic fire extinguisher is the carbon dioxide automatic fire extinguishing device.
The toxotest device of material of the present invention under burning and heated condition can be lighted or Automatic-heating automatically to combustible, under fired state or under the heated condition flue gas and the device temperature that produces carried out Real-time Collection and measurement, and can drop into automatic fire extinguisher according to temperature and Burning Flame Observation situation in good time, make the burning of combustible be in all the time controllable state, thereby controlled in the scene of a fire, in the controlled space of temperature, obtain burning under the different temperatures or the poisonous gas that decomposites under the heated condition, and utilize flue gas analyzer to analyze the component content of the poisonous gas under fired state and the heated condition, thereby the overall understanding material before catching fire with catch fire after poisonous gas disengage situation, for corresponding security protection provides scientific basis.
Description of drawings
Fig. 1 is the system construction drawing of the toxotest device of material of the present invention under burning and heated condition;
Fig. 2 is the main TV structure cut-open view of burning generating means in the toxotest device of material of the present invention under burning and heated condition;
Fig. 3 is the left TV structure cut-open view of Fig. 2.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in detail:
With reference to shown in Figure 1, the toxotest device of the material of the present embodiment under burning and heated condition comprises control system, burning generating means, flue gas analyzer, temperature sensor, thermal infrared imager, air blast blower fan, exhaust fan and the automatic fire extinguisher with display device.Wherein, the burning generating means is used for holding test material and it is burnt or heats.Flue gas analyzer is used for the flue gas in the Real-time Collection burning generating means cavity and carries out oxicity analysis.Temperature sensor is used for the temperature in the Real-time Collection burning generating means cavity.Thermal infrared imager is used for utilizing the temperature in the described burning generating means of the infrared principles Real-time Collection cavity.The air blast blower fan is for delivering oxygen in burning generating means cavity; Exhaust fan is used for discharging the flue gas in the burning generating means cavity.For example under the combustion system, the very fast oxygen depleted of burning meeting in the burning generating means cavity is for keeping burning, need to fill into air, can keep the required air that burns by the air blast blower fan, for keeping air circulation and balance, open exhaust fan in the time of air blast flue gas is discharged; Under the type of heating, after the off-test, open exhaust fan, extract the flue gas in the burning generating means cavity out.The state that is used for control air blast blower fan and described exhaust fan with the control system of display device, obtain and preserve the analysis data of flue gas analyzer output, the infrared emanation data of thermal infrared imager collection and the temperature data that temperature sensor gathers, simultaneously with the current data output display that gets access to.Automatic fire extinguisher is used under control system control in good time the processing of putting out a fire of the burning test in the burning generating means cavity; For example, under fired state, control system can start automatic fire extinguisher at any time; Under heated condition, such as the too high naked light (can by observation eyepiece observe) that causes of heating-up temperature, automatic fire extinguisher can be in time sprays extinguish open flame in fire access is in the burning generating means cavity.
In conjunction with Fig. 2 and shown in Figure 3, above-mentioned burning generating means comprise cavity 14 and with the cavity that is tightly connected by flange 4 lid 1, cavity 14 and cavity lid 1 are equipped with sandwiched heat-insulating 3.Install bottom in the cavity 14 heating plate 15 surely, and filter net type material tray 13 is installed on the heating plate 15.Bottom in the filter net type material tray 13 is equipped with liquid injection pipe 12, be used for to heating plate 15 filling liquid fuel (for example gasoline), the upper end filler of liquid injection pipe 12 is positioned at described filter net type material tray 13, and its lower end liquid outlet passes the bottom of filter net type material tray 13 deeply to heating plate 15.Be provided with self-extinguishing mouth 17 and observation eyepiece 18 with filter net type material tray 13 correspondence positions on the front side wall of cavity 14, self-extinguishing mouth 17 links to each other with automatic fire extinguisher, and the observation eyepiece is used for flame and the smoke condition in the artificial observation cavity 14.With heating plate 15 correspondence positions automatic ignition device 16 is being installed on the rear wall of cavity 14, automatic ignition device 16 be controlled by control system.In the present embodiment, the rear wall of cavity 14 is provided with 5 from top to bottom temperature sensors of word order uniformly-spaced, and the probe of each temperature sensor 10 is exposed in the cavity 14, so that understand the temperature gradient distribution in the cavity 14.With filter net type material tray 13 correspondence positions smoke sampling mouth 7 and infrared window 6 are being installed on the left side wall of cavity 14, infrared window 6 is positioned at smoke sampling mouth 7 tops, and smoke sampling mouth 7 links to each other with flue gas analyzer, and infrared window 6 links to each other with thermal infrared imager.The left side wall bottom of this cavity 14 is provided with and the cavity 14 interior sewage draining exits that are communicated with 8.Be equipped be used to the blast orifice 11 that holds the air blast fan outlet with filter net type material tray 13 bottom correspondence positions on the right side wall of cavity 14.Be equipped be used to the exhaust opening 2 that holds the exhaust fan air inlet on the rear wall of cavity lid 1.In addition, for the ease of movement, the bottom of cavity 14 is equipped with four self-locking trundles 9.
Above embodiment is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that the common engineering technical personnel in this area make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (9)
1. the toxotest device of a material under burning and heated condition is characterized in that, comprising:
The burning generating means is used for holding test material and it is burnt or heats;
Flue gas analyzer is used for the flue gas in the described burning generating means of the Real-time Collection cavity and carries out oxicity analysis;
Temperature sensor (10) is used for the temperature in the described burning generating means of the Real-time Collection cavity;
Thermal infrared imager utilizes the temperature in the described burning generating means of the infrared principles Real-time Collection cavity.
The air blast blower fan is for delivering oxygen in described burning generating means cavity;
Exhaust fan is used for discharging the flue gas in the described burning generating means cavity;
Control system with display device, it is used for controlling the state of described air blast blower fan and described exhaust fan, obtain and preserve the infrared emanation data of the analysis data of described flue gas analyzer output, the collection of described thermal infrared imager and the temperature data that described temperature sensor (10) gathers, simultaneously with the current data output display that gets access to;
Automatic fire extinguisher is used under described control system control in good time the processing of putting out a fire of the burning test in the described burning generating means cavity.
Material according to claim 1 the burning and heated condition under the toxotest device, it is characterized in that, described burning generating means comprises cavity (14) and covers (1) with the cavity that links to each other, install bottom in the described cavity (14) heating plate (15) surely, filter net type material tray (13) is installed on the described heating plate (15), bottom in the described filter net type material tray (13) is equipped with liquid injection pipe (12), the upper end filler of described liquid injection pipe (12) is positioned at described filter net type material tray (13), and its lower end liquid outlet passes the bottom of described filter net type material tray (13) deeply to described heating plate (15), be provided with self-extinguishing mouth (17) with described filter net type material tray (13) correspondence position on the front side wall of described cavity (14), described self-extinguishing mouth (17) links to each other with described automatic fire extinguisher, with described heating plate (15) correspondence position automatic ignition device (16) is being installed on the rear wall of described cavity (14), described automatic ignition device (16) is controlled by described control system, with described filter net type material tray (13) correspondence position smoke sampling mouth (7) and infrared window (6) are being installed on the left side wall of described cavity (14), described smoke sampling mouth (7) links to each other with described flue gas analyzer, described infrared window (6) links to each other with described thermal infrared imager, be equipped be used to the blast orifice that holds described air blast fan outlet (11) with described filter net type material tray (13) bottom correspondence position on the right side wall of described cavity (14), described temperature sensor (10) is installed on the rear wall of described cavity (14), the probe of described temperature sensor (10) is exposed in the described cavity (14), is equipped be used to the exhaust opening that holds described exhaust fan air inlet (2) on the rear wall of described cavity lid (1).
3. the toxotest device of material according to claim 2 under burning and heated condition is characterized in that, described cavity (14) and described cavity lid (1) are equipped with sandwiched heat-insulating (3).
4. the toxotest device of material according to claim 3 under burning and heated condition is characterized in that, is being provided with observation eyepiece (18) with described filter net type material tray (13) correspondence position on the front side wall of described cavity (14).
5. the toxotest device of material according to claim 4 under burning and heated condition is characterized in that, the left side wall bottom of described cavity (14) is provided with and the interior sewage draining exit (8) that is communicated with of described cavity (14).
6. the toxotest device of material according to claim 5 under burning and heated condition is characterized in that, the bottom of described cavity (14) is equipped with four self-locking trundles (9).
7. the toxotest device of material according to claim 6 under burning and heated condition is characterized in that, described temperature sensor (10) is provided with a plurality of, and a plurality of described temperature sensors (10) are word order uniformly-spaced from top to bottom.
8. the toxotest device of material according to claim 7 under burning and heated condition is characterized in that, described cavity (14) and described cavity lid (1) are tightly connected by flange (4).
9. the toxotest device of material according to claim 8 under burning and heated condition is characterized in that, described automatic fire extinguisher is the carbon dioxide automatic fire extinguishing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310004867XA CN103048351A (en) | 2013-01-08 | 2013-01-08 | Toxicity test device for material in combustion and heating states |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310004867XA CN103048351A (en) | 2013-01-08 | 2013-01-08 | Toxicity test device for material in combustion and heating states |
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| CN103048351A true CN103048351A (en) | 2013-04-17 |
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| CN201310004867XA Pending CN103048351A (en) | 2013-01-08 | 2013-01-08 | Toxicity test device for material in combustion and heating states |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412513A (en) * | 2013-08-15 | 2013-11-27 | 山东方圆建筑工程检测中心 | Flue gas flow velocity wedge disc automatic control device for combustion test |
| CN104833550A (en) * | 2015-05-20 | 2015-08-12 | 河南师范大学 | Flue gas analysis and collection system capable of distinguishing combustion state and operation method thereof |
| CN105784768A (en) * | 2016-03-07 | 2016-07-20 | 南京工业大学 | Oxygen sensitivity test system and test method |
| CN105911214A (en) * | 2016-04-28 | 2016-08-31 | 芜湖美威包装品有限公司 | Flame resistance experimental device for foam |
| CN105938131A (en) * | 2016-05-27 | 2016-09-14 | 芜湖顺成电子有限公司 | Low-smoke halogen-free wire burning resistance testing apparatus |
| CN106093285A (en) * | 2016-08-26 | 2016-11-09 | 南京师范大学 | A kind of multicomponent gas diffusion combustion and combustion monitoring device |
| CN106770453A (en) * | 2017-01-26 | 2017-05-31 | 苏州泰思泰克检测仪器科技有限公司 | A kind of automatic fire-extinguishing function combustion testing security system of remote control |
| CN108008063A (en) * | 2017-12-22 | 2018-05-08 | 芜湖蓝博塑胶有限公司 | The moulding test box of resistance to combustion |
| CN114018774A (en) * | 2021-11-03 | 2022-02-08 | 桂林理工大学 | Flame and flue gas integrated spectrum identification and analysis platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412513A (en) * | 2013-08-15 | 2013-11-27 | 山东方圆建筑工程检测中心 | Flue gas flow velocity wedge disc automatic control device for combustion test |
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| CN105784768B (en) * | 2016-03-07 | 2018-06-05 | 南京工业大学 | Oxygen sensitive tests system and its test method |
| CN105911214A (en) * | 2016-04-28 | 2016-08-31 | 芜湖美威包装品有限公司 | Flame resistance experimental device for foam |
| CN105938131A (en) * | 2016-05-27 | 2016-09-14 | 芜湖顺成电子有限公司 | Low-smoke halogen-free wire burning resistance testing apparatus |
| CN106093285A (en) * | 2016-08-26 | 2016-11-09 | 南京师范大学 | A kind of multicomponent gas diffusion combustion and combustion monitoring device |
| CN106770453A (en) * | 2017-01-26 | 2017-05-31 | 苏州泰思泰克检测仪器科技有限公司 | A kind of automatic fire-extinguishing function combustion testing security system of remote control |
| CN108008063A (en) * | 2017-12-22 | 2018-05-08 | 芜湖蓝博塑胶有限公司 | The moulding test box of resistance to combustion |
| CN114018774A (en) * | 2021-11-03 | 2022-02-08 | 桂林理工大学 | Flame and flue gas integrated spectrum identification and analysis platform |
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Application publication date: 20130417 |