CN205138846U - It is experimental with coal -fired smoke particulate sampling system of domestic burners - Google Patents
It is experimental with coal -fired smoke particulate sampling system of domestic burners Download PDFInfo
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- CN205138846U CN205138846U CN201520883904.3U CN201520883904U CN205138846U CN 205138846 U CN205138846 U CN 205138846U CN 201520883904 U CN201520883904 U CN 201520883904U CN 205138846 U CN205138846 U CN 205138846U
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- flue
- particle
- domestic burners
- sampling system
- gas
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Abstract
The utility model discloses two it is experimental with coal -fired smoke particulate sampling system of domestic burners is through the room of igniting in domestic burners oven setting to the indoor electrical heating ignition device that is provided with is further igniting, wherein, the electrical heating ignition device includes: power cord and heating wire, there is fire -resistant insulating ceramic at the interval between two adjacent heating wire. Adopt the fuel beyond the coal when setting of room and ignition device of igniting has avoided the domestic burners to ignite, and then lead to mixing among the sample data and have some foreign particles, can bring certain conclusive influence to follow -up data analysis. The utility model discloses it is not only easy and simple to handle, can gather the flue gas that the domestic burners burning produced, can also further gain the technological effect of acquireing high accuracy sample data, what the convenience was further carries out analysis and contrast with data.
Description
Technical field
The utility model belongs to environmental monitoring field, relate to a kind of test with fired coal combustion in domestic burners produce the particle sampling system of flue gas.
Background technology
Along with the fast development of economy, the atmosphere quality of China is faced with stern challenge.According to Central Meteorological Observatory's statistics, since in October, 2011, all there is the haze weather of visibility extreme difference in Liaoning, Hebei, Henan, Shandong, Gansu Deng Duo provinces and cities, provincial capital's fine particle severe overweight of 90%.Not only have impact on the operation of the public transport such as flight, high ferro, highway, traffic hazard takes place frequently, and also causes respiratory system, diseases of cardiovascular and cerebrovascular systems takes place frequently.Weather scientist and medical expert think, the harm of the haze weather that fine particle causes to health is even larger than sandstorm.
It is many-sided that fine particle pollutes the impact of health, major effect respiratory system and cardiovascular system.The hair-like structure of defence that fine particle can penetrate human respiratory tract enters inside of human body, diseases induced.Fine particle also can produce toxic action to cardiovascular system.It is cardiovascular mainly through two approach harmful to human: one is the hypercoagulative state by cause inflammation reaction and secondary, and two is change autonomic nervous function.Human body may cause a series of gross stress reactions of body after sucking fine particle, and changes circulatory function, thus causes the generation of disease of cardiovascular system.External epidemiological studies data shows, the relation of the rising of the concentration of pellet and the incidence of disease of disease, mortality ratio is very close, wherein especially with respiratory disease and heart disease.
Coal heating stove economy is economical again, and for not having central heating and not possessing the rurbania of gas-heating condition and vast rural area, the coal heating stove that heating cost is lower is desirable selection, is therefore applied widely.But this kind of heating stove does not almost take any pollution control measures, the coal-fired flue gas produced is all directly be discharged in air, causes atmospheric pollution.Research shows, the Air Pollution on Pupils ' Pulmonary Function that coal heating causes has obvious damaging action.Fine particle Jin Ren lung, and be deposited on alveolar, and also particle is less, more easily adsorb some heavy metals to human hazard, organism, bacterium and virus, increase M & M, harm respiratory system and cardiovascular system, change immunologic function, increase cancer and suffer from, as lung cancer etc.
Therefore, how to gather the particulate pollutant of domestic burners discharge of pollutant sources, carry out managing to pollutant emission and control, tool is of great significance.
Utility model content
For solving the problem, the purpose of this utility model be to provide a kind of to the burning of domestic burners coal-fired flue-gas produce the system and method that the particle in flue gas gathers, for domestic burners coal-fired flue-gas pollution prevention provides reference frame.
On the one hand, the utility model provides a kind of test domestic burners coal-fired flue-gas particle sampling system, and comprise flue, smoke collecting device, particle collection setting chamber, hair-dryer and air strainer, flue is made up of the first flue and the second flue; The exhausr port of test domestic burners is connected with the second flue by the first flue; Hair-dryer by the junction of air strainer at the first flue and the second flue, towards the fume emission direction conducting of the second flue; First end and the particle of smoke collecting device gather setting chamber and are connected, and the second end is to be arranged in the second flue towards the mode in flow of flue gas direction; Particle gathers in setting chamber and is provided with particle sampler, and wherein, the furnace wall of test domestic burners is provided with pilot chamber, is provided with electrical heating ignition device in pilot chamber; Described electrical heating ignition device comprises: power lead and heating wire; Hot-face insulation pottery is separated with between adjacent two described heating wire.
Alternatively, according to sampling system of the present utility model, described heating wire along the furnace wall of described test domestic burners with the formal distribution of cross network.
Alternatively, according to sampling system of the present utility model, described heating wire is along the furnace wall wound form distribution of described test domestic burners.
Alternatively, according to sampling system of the present utility model, the angle α between described first flue and the second flue is 120-140 °.
Alternatively, according to sampling system of the present utility model, particle sampler comprises the cutter, sampling pump and the gas exhaust piping that connect successively, and the end of described gas exhaust piping stretches out described particle setting chamber.
Alternatively, according to sampling system of the present utility model, described cutter is PM
2.5cutter and/or PM
10cutter.
On the one hand, the utility model provides another kind of test domestic burners coal-fired flue-gas particle sampling system, comprises flue, smoke collecting device, flue gas dilution device, and particle gathers setting chamber and induced draft fan, and flue is made up of the first flue and the second flue; The first end of the first flue is connected with the exhausr port of domestic burners; The first end of the second flue is connected with the second end of the first flue, and the second end is connected with induced draft fan; The first end of smoke collecting device is connected with flue gas dilution device, and the second end is to be arranged in the second flue towards the direction of the second flue first end; Flue gas dilution device and particle gather setting chamber and are connected, and gather setting chamber so that the flue gas after dilution is sent into particle; Particle gathers in setting chamber and is provided with particle sampler, and wherein, the furnace wall of test domestic burners is provided with pilot chamber, is provided with electrical heating ignition device in pilot chamber; Electrical heating ignition device comprises: power lead and heating wire; Hot-face insulation pottery is separated with between adjacent two heating wire.
Sampling system structure described in the utility model is simple, easy and simple to handle, can gather, and by diluted settlement, gather and subsequent analysis, for prevention and cure of pollution provide support to the particle in flue gas the flue gas that domestic burners burning produces.Further, the utility model by arranging pilot chamber in the furnace wall of test domestic burners, and arranges electrical heating ignition device in pilot chamber, is the technical support of providing convenience of igniting of test domestic burners.In addition, because electrical heating ignition device described in the utility model can not produce extra flue gas particles when ignition test domestic burners, therefore the experimental data produced can be more accurate, greatly reduces experimental data error.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and is not thought restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the composition schematic diagram of sampling system in the utility model embodiment 1;
Fig. 2 is test domestic burners partial sectional view schematic diagram in the utility model embodiment 2;
Fig. 3 is test domestic burners partial sectional view schematic diagram in the utility model embodiment 3;
Fig. 4 is the composition schematic diagram of sampling system in the utility model embodiment 4.
Embodiment
Below in conjunction with accompanying drawing and concrete embodiment, the utility model will be further described.
Embodiment 1:
Without loss of generality, the utility model provides a kind of domestic burners coal-fired flue-gas particle sampling system, and Fig. 1 shows the structural representation of this sampling system.As shown in Figure 1, sampling system comprises: flue, smoke collecting device 200, and particle gathers setting chamber 400, hair-dryer 600 and air strainer 300, and flue is made up of the first flue 110 and the second flue 120; The test exhausr port of domestic burners 700 is connected with the second flue 120 by the first flue 110, and the flue gas that in domestic burners, fired coal combustion produces enters the first flue and the second flue successively through exhausr port; Hair-dryer by the junction of air strainer at the first flue and the second flue, towards the fume emission direction conducting of the second flue; First end and the particle of smoke collecting device 200 gather setting chamber 400 and are connected, and the second end is to be arranged in the second flue towards the mode in flow of flue gas direction; Particle gathers in setting chamber 400 and is provided with particle sampler 500, and wherein, the furnace wall of test domestic burners is provided with pilot chamber 800, is provided with electrical heating ignition device 810 in pilot chamber 800; Electrical heating ignition device comprises: power lead 811 and heating wire 812; Hot-face insulation pottery is separated with between adjacent two heating wire.
The utility model by arranging pilot chamber in the furnace wall of test domestic burners, and arranges electrical heating ignition device in pilot chamber, is the technical support of providing convenience of igniting of test domestic burners.In addition, because electrical heating ignition device described in the utility model can not produce extra flue gas particles when ignition test domestic burners, therefore the experimental data produced can be more accurate, greatly reduces experimental data error.
Further, in the present embodiment the angle α between the first flue 110 and the second flue 120 is set to obtuse angle.Preferably, described angle α is 120-140 °.The setting in existing flue composition, the first flue and the second flue carried out with 90 ° of right angles, the angle of this obtuse angle angle makes flue gas when reaching the end of the first flue, can gently enter the second flue, the inwall that the particle avoided in flue gas directly clashes into the second flue occurs to pulverize and affects the collection effect of particle.Be understandable that; except the flue structure shown in Fig. 1; can also be connected with the second flue by first flue by using bend, flue gas equally also can be made can to enter the second flue in mild mode, and these types of attachment also should fall into protection domain of the present utility model.
Because the temperature and concentration that directly enter the flue gas of flue are all higher, flue gas middle and high concentration particle can affect the trapping effect of sampling thief filter membrane, therefore need dilute it and its temperature is down to environment temperature, be discharged into dilution in air and cooling procedure with simulated flue gas, promote the accuracy of subsequent analysis result.Meanwhile, flue gas is after diluting effect, and its relative humidity also decreases, and can prevent water vapour in flue gas from liquefying on the filter membrane of particle collector and the change of filter membrane surface physical property, make particle collector keep superperformance.
For this reason, by arranging hair-dryer in the utility model sampling system, by being blown into the dilution of air realization to flue gas in flue.In order to avoid the particle in diluent air impacts flue gas analysis result, also need to purify air.As shown in fig. 1, the first end of described air strainer 300 is connected with described hair-dryer 600, and the second end is connected with the first end of described second flue 120.Hair-dryer is used for surrounding air being sucked rear feeding in air strainer and purifies, the such as filter medium such as active carbon layer, layer of silica gel can be set in air strainer and remove coarseparticulate, fine particle and organism in surrounding air, the pure air obtained after filtration is admitted to the second flue again, dilutes flue gas.The air inlet amount being used for diluting flue gas can be controlled by the rotating speed controlling hair-dryer, also flow valve can be set in the connecting line of hair-dryer and air strainer or the connecting line at air strainer and the second flue, control the rear air air output of purification by this flow valve, thus regulate the extension rate of flue gas.
By the second end of described smoke collecting device 200 with the direction towards described second flue 120 first end (namely, direction towards flow of flue gas) be arranged in described second flue, to realize the collection to dilution flue gas, its first end and described particle gather setting chamber 400 and are connected, and send into particle gather setting chamber with flue gas after the dilution that will gather.
Gather in setting chamber at described particle and be provided with particle sampler 500.Flue gas after dilution is sedimentation a period of time in setting chamber, and the processes such as the condensation in being discharged into simulated flue gas, nucleation, do not change primary particle component spectrum, to make in flue gas aerocolloidal materialization behavior closer to the conversion under environmental baseline.After sedimentation a period of time, the particle in flue gas is gathered by particle sampler, then can carry out subsequent analysis to the sample gathered.
In sampling system described in the utility model, the particle sampler of use comprises the cutter, sampling pump and the gas exhaust piping that connect successively, and the end of described gas exhaust piping stretches out described particle setting chamber.Wherein, described cutter is PM
2.5cutter and/or PM
10cutter, to gather PM
2.5cutter and/or PM
10particle.Flue gas containing particle is under the effect of sampling pump; with certain flow velocity (constant current speed) after the exhausr port ejection of flue gas dilution device; particle obtains certain kinetic energy; particle diameter is greater than the particle of 2.5 μm (10 μm); particle diameter is less than or equal to the particle of 2.5 μm (10 μm), because inertia is little, and will along with air motion; be collected on filter membrane, thus realize the collection of particle.The flue gas isolating particle is connected to carry out other subsequent analysis through gas exhaust piping exhaust particulate matter setting chamber or with other gas analysis arrangements.Be understandable that, except the structure described in the utility model, in the prior aries such as such as vortex cutter, the cutter of other structures is also applicable to the utility model.
Embodiment 2:
As shown in Figure 2, the utility model on the basis of embodiment 1, by heating wire 812 along test with the furnace wall of domestic burners 700 with the formal distribution of cross network.This distribution form can improve the radiating efficiency of heating wire further, and then provides better technical support for realizing quick igniting.Only need be energized about 5 minutes during actual use the coal ignited fuel that just can realize being positioned at test domestic burners burner hearth inside.
Embodiment 3:
As shown in Figure 3, the utility model selects the domestic burners of cylindrical outer shape as test domestic burners selected in the present embodiment, the utility model on the basis of embodiment 1, by heating wire 812 along the furnace wall wound form distribution of test with domestic burners 700.Though the speed of igniting that this distribution form compares embodiment 2 slightly reduces, for using the larger heating wire of diameter dimension to provide strong technical support, and then the technique effect compared with the long life can be obtained, economical and practical, save experimental cost.
It should be noted that, the profile of the utility model test used domestic burners is unrestricted, for the domestic burners meeting the random appearance that experiment condition designs all falls into protection domain of the present utility model.
Embodiment 4:
As shown in Figure 4, the present embodiment is on above-described embodiment basis, another kind of test domestic burners coal-fired flue-gas particle sampling system is provided, comprise flue, smoke collecting device 200, flue gas dilution device 003, particle gathers setting chamber 400 and induced draft fan 006, and described flue is made up of the first flue 110 and the second flue 120; The first end of described first flue 110 is connected with the exhausr port of domestic burners 700; The first end of described second flue 120 is connected with the second end of described first flue 110, and the second end is connected with described induced draft fan 006; The first end of described smoke collecting device 200 is connected with described flue gas dilution device 003, and the second end is to be arranged in described second flue towards the direction of described second flue first end; Described flue gas dilution device 003 and described particle gather setting chamber 400 and are connected, and gather setting chamber so that the flue gas after dilution is sent into particle; Described particle gathers in setting chamber and is provided with particle sampler 500, and wherein, the furnace wall of described test domestic burners is provided with pilot chamber 800, is provided with electrical heating ignition device 810 in described pilot chamber; Electrical heating ignition device comprises: power lead 811 and heating wire 812; Hot-face insulation pottery 813 is separated with between adjacent two heating wire.
The present embodiment provides power owing to using induced draft fan for flow of flue gas, compares embodiment 1, does not have outside air to dilute flue gas, therefore needs to gather between setting chamber 400 at smoke collecting device and particle additionally to arrange flue gas dilution device 003.It should be noted that the improvement in embodiment 2 and embodiment 3 is applicable to the present embodiment too; because above-described embodiment is by improvement opportunity EMBODIMENTS OF THE INVENTIONIn; therefore the present embodiment repeats no more this, but these improvement opportunity schemes still fall into protection domain of the present utility model.
Further, owing to employing in the present embodiment and identical electrical heating ignition device in embodiment 1, achieve the technique effect identical with previous embodiment, the expansion for technique scheme provides a kind of new technological means.
Utilize particle acquisition system of the present utility model, particle in domestic burners coal-fired flue-gas effectively can be gathered, for this reason, the utility model provides and utilizes above-mentioned acquisition system to carry out the method for sampling, the method comprises the steps: the exhausr port of test with domestic burners to be connected with flue, and flue gas is entered flue; Open the hair-dryer or induced draft fan that are connected with flue; Open air strainer, air is sent into flue to dilute flue gas after purification; Smoke collecting device is stretched in flue, makes the sample nozzle of its one end just to the flue gas stream direction after dilution, carry out smoke collecting; If unlatching is hair-dryer, direct feeding by the flue gas collected in particle collection setting chamber is sampled; If what open is induced draft fan, then need the flue gas that collects to send in diluter after dilution, then send into particle and gather in setting chamber and sample.
In the method for sampling described in the utility model, the flue-gas temperature after described dilution is less than 50 DEG C, general equal with environment temperature or close.The consumption of dilution pure air required in the second flue can be determined according to flue-gas temperature, the flue-gas temperature entering flue and the flue gas flow after dilution, thus by the rotating speed of adjustment hair-dryer or by arranging flow valve to control the Clean air delivery rate entering the second flue at the first end place of second pipe.Usually, described flue gas by dilution 20-200 doubly, can make it reach temperature required in flue gas dilution device.
Utilize particle sampling system of the present utility model, the particle that fired coal combustion in domestic burners produces in flue gas can be gathered and be analyzed, research is carried out to the composition of particle and emission mechanism significant.
It should be noted, above-described embodiment is described the utility model instead of limits the utility model, and those skilled in the art can design alternative embodiment when not departing from the scope of claims.In the claims, any reference symbol between bracket should be configured to limitations on claims.Word " comprises " not to be got rid of existence and does not arrange element in the claims or step.Word first, second and third-class use do not represent any order, can be title by these word explanations.
Claims (7)
1. a test domestic burners coal-fired flue-gas particle sampling system, comprising: flue, smoke collecting device, particle gather setting chamber, hair-dryer and air strainer, and described flue is made up of the first flue and the second flue; The exhausr port of described test domestic burners is connected with described second flue by described first flue; Described hair-dryer by the junction of described air strainer at described first flue and described second flue, towards the fume emission direction conducting of described second flue; First end and the described particle of described smoke collecting device gather setting chamber and are connected, and the second end is to be arranged in described second flue towards the mode in flow of flue gas direction; Described particle gathers in setting chamber and is provided with particle sampler, wherein,
The furnace wall of described test domestic burners is provided with pilot chamber, is provided with electrical heating ignition device in described pilot chamber; Described electrical heating ignition device comprises: power lead and heating wire; Hot-face insulation pottery is separated with between adjacent two described heating wire.
2. sampling system according to claim 1, wherein, described heating wire along the furnace wall of described test domestic burners with the formal distribution of cross network.
3. sampling system according to claim 1, wherein, described heating wire is along the furnace wall wound form distribution of described test domestic burners.
4. sampling system according to claim 1, wherein, the angle α between described first flue and the second flue is 120-140 °.
5. sampling system according to claim 1, wherein, particle sampler comprises the cutter, sampling pump and the gas exhaust piping that connect successively, and the end of described gas exhaust piping stretches out described particle setting chamber.
6. sampling system according to claim 5, wherein, described cutter is PM
2.5cutter and/or PM
10cutter.
7. a test domestic burners coal-fired flue-gas particle sampling system, comprise flue, smoke collecting device, flue gas dilution device, particle gathers setting chamber and induced draft fan, and described flue is made up of the first flue and the second flue; The described first end of the first flue is connected with the exhausr port of domestic burners; The first end of described second flue is connected with the second end of described first flue, and the second end is connected with described induced draft fan; The first end of described smoke collecting device is connected with described flue gas dilution device, and the second end is to be arranged in described second flue towards the direction of described second flue first end; Described flue gas dilution device and described particle gather setting chamber and are connected, and gather setting chamber so that the flue gas after dilution is sent into particle; Described particle gathers in setting chamber and is provided with particle sampler, wherein,
The furnace wall of described test domestic burners is provided with pilot chamber, is provided with electrical heating ignition device in described pilot chamber; Described electrical heating ignition device comprises: power lead and heating wire; Hot-face insulation pottery is separated with between adjacent two described heating wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520883904.3U CN205138846U (en) | 2015-11-06 | 2015-11-06 | It is experimental with coal -fired smoke particulate sampling system of domestic burners |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520883904.3U CN205138846U (en) | 2015-11-06 | 2015-11-06 | It is experimental with coal -fired smoke particulate sampling system of domestic burners |
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| CN205138846U true CN205138846U (en) | 2016-04-06 |
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|---|---|---|---|
| CN201520883904.3U Expired - Fee Related CN205138846U (en) | 2015-11-06 | 2015-11-06 | It is experimental with coal -fired smoke particulate sampling system of domestic burners |
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| CN (1) | CN205138846U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258984A (en) * | 2015-11-06 | 2016-01-20 | 中国环境科学研究院 | Civil furnace coal-fired flue gas particulate matter sampling system and civil furnace coal-fired flue gas particulate matter sampling method for experiment |
| CN108398281A (en) * | 2018-03-12 | 2018-08-14 | 中国农业大学 | A kind of on-line performance for domestic stove tests system |
-
2015
- 2015-11-06 CN CN201520883904.3U patent/CN205138846U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258984A (en) * | 2015-11-06 | 2016-01-20 | 中国环境科学研究院 | Civil furnace coal-fired flue gas particulate matter sampling system and civil furnace coal-fired flue gas particulate matter sampling method for experiment |
| CN105258984B (en) * | 2015-11-06 | 2018-09-18 | 中国环境科学研究院 | A kind of experiment domestic burners coal-fired flue-gas particle sampling system and the method for sampling |
| CN108398281A (en) * | 2018-03-12 | 2018-08-14 | 中国农业大学 | A kind of on-line performance for domestic stove tests system |
| CN108398281B (en) * | 2018-03-12 | 2019-08-30 | 中国农业大学 | A kind of on-line performance test macro for domestic stove |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20161106 |