CN204177494U - A kind of for soot particles collection and temperature measuring equipment in combustion flame - Google Patents
A kind of for soot particles collection and temperature measuring equipment in combustion flame Download PDFInfo
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- CN204177494U CN204177494U CN201420646667.4U CN201420646667U CN204177494U CN 204177494 U CN204177494 U CN 204177494U CN 201420646667 U CN201420646667 U CN 201420646667U CN 204177494 U CN204177494 U CN 204177494U
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Abstract
The utility model discloses a kind of for soot particles collection and temperature measuring equipment in combustion flame, belong to hydrocarbon fuel specificity analysis and sampling apparatus field.In the utility model, erecting frame adjustable column Vertical Uniform is distributed in and installs on pallet, and is connected mutually with installation pallet; Jet-black collection dish is evenly distributed with circular hole, and erecting frame adjustable column one_to_one corresponding runs through the circular hole on jet-black collection dish, jet-black collection dish is provided with SiC fiber and fixes gap; Temperature measuring dish is evenly distributed with circular hole, erecting frame adjustable column one_to_one corresponding runs through the circular hole on temperature measuring dish, temperature measuring dish is provided with 1 temperature measuring pointer, one end of this temperature measuring pointer is connected mutually with temperature measuring dish, the other end of temperature measuring pointer is most advanced and sophisticated, and temperature measuring pointer is pasted with thermocouple wire.The utility model can not only measure the flame temperature in differing heights and direction, and the jet-black that can easily gather different flame height generates.
Description
Technical field
The utility model relates to a kind of hydrocarbon fuel specificity analysis and sampling apparatus, especially for measuring flame temperature and the experimental stand gathering jet-black, is a kind of for soot particles collection and temperature measuring equipment in combustion flame.
Background technology
The formation (comprising nucleation, growth and oxidation) of current soot particles and deposition have had a lot of research and have summed up, and are utilize net window, carbon net, quartzy pin or thermophoresis method for observing the Sampling techniques of most of jet-black fire intermediate.For jet-black sampling process, the most important thing is that sampling thief can not affect flame, and jet-black sample should be oxidized by the heat that high-temperature region is transmitted further.
Utilize the filament thermometry of the SiC fiber of 15 μm, measure non-jet-black generate the temperature distributing measuring of flame and jet-black generates in the soot form of flame a lot, the spatial resolution outstanding because of it and time-response and use.And SiC fiber must through the center of circle of burner; to guarantee that the soot of flame kernel is on SiC fiber; and jet-black sampling process; the normal combustion of flame can not be affected; prevent from disturbing flame to cause the inequality of soot; SiC fiber erecting frame must guarantee the accuracy that jet-black gathers, and this is the difficult point place of SiC fiber erecting frame design.Owing to not having this instrument or Instrument Design too simple in the past, thus affect the accuracy of jet-black collection, in sampling process, affect the burning of flame, need further raising.
Chinese papers " development of flame zone smoke particle acquisition system ": Xu Bin, Hu Junjian, Zhang Yongming, Ma Suihua (Shanghai City fire-fighting army unit) Chinese Classification number: TK121, TU972, X924; Document code: A; Article is numbered: 1009-0029 (2007) 03-0256-04, describe flame zone smoke particle acquisition system principle of work: smoke particle itself is not had an impact to make smoke particle collection, and it is accurately true, utilize thermophoretic effect to gather smoke particle, the smoke particle collected is analyzed under scanning electron microscope and obtains experimental result.The ultimate principle of sampling is thermophoresis phenomenon, being inserted by copper mesh is full of in the flue gas of particle, because the temperature variation of copper mesh is lower than flue gas flow field, gas near copper mesh is cooled rapidly, density increases, and moves downward, and heat smoke is come to supplement and formed convection current, the particle ordered about in flue gas arrives copper mesh surface, and is adsorbed on the carbon film face of copper mesh.Because copper mesh is very little and very thin, the sampling time is very short, substantially thinks and although this experiment copper mesh used is very short for sample time, but can cause the disturbance not causing fire smoke gases the disturbance of fire smoke gases, thus affect the accuracy of soot particles.Therefore, at present in the urgent need to inventing a kind of device that effectively can gather soot particles in flame, improving the accuracy gathering soot particles, being convenient to carry out sem analysis to sampling jet-black, thus disclosing hydrocarbon fuel combustion mechanism.
Applicant affects flame combustion for jet-black gatherer process in prior art, the technical matters gathering soot particles accuracy poor is caused to apply for utility model patent, its utility model patent number is: ZL201420208917.6, patent name is: a kind of SiC fiber erecting frame for gathering soot particles in combustion flame, but what this this application case provided can not measure flame temperature field for the SiC fiber erecting frame gathering soot particles in combustion flame, and therefore applicant has carried out further improvement on the basis of this this application case.
Utility model content
1. the utility model technical matters that will solve
The purpose of this utility model is to overcome existing experimental stand and can not will measures flame temperature and gather the deficiency that jet-black integrate, provide a kind of for soot particles collection and temperature measuring equipment in combustion flame, this device can not only measure the flame temperature in differing heights and direction, and the jet-black that can easily gather different flame height generates.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
One of the present utility model is used for soot particles collection and temperature measuring equipment in combustion flame, comprise and pallet, erecting frame adjustable column, jet-black collection dish and temperature measuring dish are installed, described installation pallet comprises cylinder and lower cylinder, the internal diameter of upper cylinder equals the internal diameter of hydrocarbon combustion device, and the internal diameter of lower cylinder equals the external diameter of hydrocarbon combustion device; Described erecting frame adjustable column Vertical Uniform is distributed in be installed on pallet, and is connected mutually with installation pallet; Described jet-black collection dish is evenly distributed with circular hole, and described erecting frame adjustable column one_to_one corresponding runs through the circular hole on jet-black collection dish; Described jet-black collection dish is provided with SiC fiber and fixes gap; Described temperature measuring dish is evenly distributed with circular hole, described erecting frame adjustable column one_to_one corresponding runs through the circular hole on temperature measuring dish, described temperature measuring dish is provided with 1 temperature measuring pointer, one end of this temperature measuring pointer is connected mutually with temperature measuring dish, the other end of temperature measuring pointer is most advanced and sophisticated, and described temperature measuring pointer is pasted with thermocouple wire.
As further improvement of the utility model, erecting frame adjustable column quantity is at least 3, and is equal to equally distributed circular hole quantity on jet-black collection dish, temperature measuring dish.
As further improvement of the utility model, the circular hole lateral wall on jet-black collection dish is provided with screw.
As further improvement of the utility model, jet-black collection dish is provided with 1 ~ 10.
As further improvement of the utility model, gap quantity fixed by the SiC fiber on jet-black collection dish is 2, and 2 SiC fibers are fixed gap and are positioned at the same of jet-black collection dish diametrically.
As further improvement of the utility model, the circular hole lateral wall on temperature measuring dish is provided with screw.
As further improvement of the utility model, measuring point and the temperature measuring pointer tip of thermocouple wire are held level with both hands together.
3. beneficial effect
The technical scheme adopting the utility model to provide, compared with prior art, has following remarkable result:
(1) one of the present utility model is used for soot particles collection and temperature measuring equipment in combustion flame, pallet is installed and comprises cylinder and lower cylinder, the internal diameter of upper cylinder equals the internal diameter of hydrocarbon combustion device, the internal diameter of lower cylinder equals the external diameter of hydrocarbon combustion device, improve the fluency of air and fuel outlet, make that pallet is installed to reduce the impact of flame combustion, and the accuracy that gap ensure that collection soot particles fixed by the SiC fiber that jet-black collection dish is arranged, the adjustment pointer on temperature measuring dish also can guarantee the accuracy of measuring point for the temperature.
(2) one of the present utility model is used for soot particles collection and temperature measuring equipment in combustion flame, jet-black collection dish and temperature measuring dish all can disassemble from erecting frame adjustable column, install pallet and erecting frame adjustable column reusable, facilitate experimental implementation, greatly simplifie the loaded down with trivial details of experiment.
(3) one of the present utility model is used for soot particles collection and temperature measuring equipment in combustion flame, circular hole lateral wall on temperature measuring dish is provided with screw, temperature measuring dish can be slided up and down along erecting frame adjustable column, and thermocouple wire can gather the temperature of the combustion flame of differing heights.
(4) one of the present utility model is used for soot particles collection and temperature measuring equipment in combustion flame, its reasonable in design, and principle is simple, is convenient to promote the use of.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation for soot particles collection and temperature measuring equipment in combustion flame of the present utility model;
Fig. 2 is the vertical view of jet-black collection dish in Fig. 1;
Fig. 3 is the hydrocarbon combustion device schematic diagram for detecting;
Fig. 4 installs pallet to install with hydrocarbon combustion device and coordinate cut-open view in the utility model;
Fig. 5 is that in the utility model, jet-black collection dish is installed with SiC fiber and coordinated schematic diagram;
Fig. 6 is the structural representation of temperature measuring dish in the utility model;
Fig. 7 is that in the utility model, temperature measuring pointer coordinates schematic diagram with the installation of thermocouple wire.
Label declaration in schematic diagram:
1, pallet is installed; 2, erecting frame adjustable column; 3, jet-black collection dish; 4, gap fixed by SiC fiber; 5, hydrocarbon combustion device; 6, SiC fiber; 7, temperature measuring dish; 8, temperature measuring pointer; 9, thermocouple wire; 11, upper cylinder; 12, lower cylinder; 51, air duct; 52, hydrocarbon fuel passage.
Embodiment
For understanding content of the present utility model further, by reference to the accompanying drawings the utility model is described in detail.
Embodiment 1
Composition graphs 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, the one of the present embodiment is used for soot particles collection and temperature measuring equipment in combustion flame, comprise and pallet 1, erecting frame adjustable column 2, jet-black collection dish 3 and temperature measuring dish 7 are installed, wherein: described installation pallet 1 comprises cylinder 11 and lower cylinder 12, the internal diameter of upper cylinder 11 equals the internal diameter of hydrocarbon combustion device 5, and the internal diameter of lower cylinder 12 equals the external diameter (as Fig. 4) of hydrocarbon combustion device 5; Described erecting frame adjustable column 2 Vertical Uniform is distributed in be installed on pallet 1, and erecting frame adjustable column 2 quantity at least 3 is 3 specific to the quantity of erecting frame adjustable column 2 in the present embodiment, and is connected mutually with installation pallet 1.It is 1 that 3 quantity are coiled in jet-black collection in the present embodiment, jet-black collection dish 3 is evenly distributed with 3 circular holes, and each circular hole lateral wall is provided with screw; Erecting frame adjustable column 2 one_to_one corresponding runs through the circular hole on jet-black collection dish 3; Gap 4 fixed by the SiC fiber that jet-black collection dish 3 is arranged 2, and the diameter of SiC fiber 6 is 15 μm, and 2 SiC fibers are fixed gap 4 and are positioned at the same of jet-black collection dish 3 diametrically (as shown in Figure 2 and Figure 5).Temperature measuring dish 7 in the present embodiment is 1, temperature measuring dish 7 is evenly distributed with 3 circular holes, and each circular hole lateral wall is provided with screw; Erecting frame adjustable column 2 one_to_one corresponding runs through the circular hole on temperature measuring dish 7; Temperature measuring dish 7 is provided with 1 temperature measuring pointer 8 (as shown in Figure 6), one end of this temperature measuring pointer 8 is connected mutually with temperature measuring dish 7, the other end of temperature measuring pointer 8 is most advanced and sophisticated, thermocouple wire 9 will be attached on temperature measuring pointer 8, measuring point and the temperature measuring pointer 8 most advanced and sophisticated concordant (as shown in Figure 7) of thermocouple wire 9.
During whole erecting frame work, as shown in Figure 4: first hydrocarbon combustion device 5 is placed in and installs in pallet 1, again as shown in Figure 5, Figure 7: SiC fiber 6 is contained on jet-black collection dish 3, thermocouple wire 9 is attached on temperature measuring pointer 8, and then being arranged on temperature measuring dish 7, hydrocarbon combustion device 5 bottom in the present embodiment is provided with air duct 51 and hydrocarbon fuel passage 52 (as shown in Figure 3); Then, hydrocarbon combustion device 5 is lighted a fire, on-test.Internal diameter due to upper cylinder 11 equals the internal diameter of hydrocarbon combustion device 5, the internal diameter of lower cylinder 12 equals the external diameter of hydrocarbon combustion device 5, thus make not hinder above flame, air, the mixing of hydrocarbon fuel and burning can not be affected, improve the fluency that air and hydrocarbon fuel export, the impact on the burning of jet-black gatherer process Flame can be reduced.On jet-black collection dish 3, circular hole lateral wall is provided with screw, and jet-black collection dish 3 can be shelved adjustable column 2 and to slide up and down and convenient fixing in Yan'an, and SiC fiber 6 can gather the soot particles in the combustion flame of differing heights.Fix gap 4 due to 2 SiC fibers in the present embodiment and be positioned at the same of jet-black collection dish 3 diametrically, make SiC fiber 6 centre-lock, the accuracy gathering soot particles can be guaranteed.Simultaneously, on temperature measuring dish 7, circular hole lateral wall is provided with screw, temperature measuring dish 7 can be slided up and down along erecting frame adjustable column 2 and conveniently fix, and cover has temperature measuring pointer 8 on temperature measuring dish 7, temperature measuring pointer 8 can horizontal slip on temperature measuring dish 7, makes thermocouple wire 9 can measure the temperature of flame arbitrfary point.Along with SiC fiber 6 collects soot particles in hydrocarbon combustion device 5 combustion flame and after thermocouple wire 9 recorded hydrocarbon combustion device 5 combustion flame each point temperature, experiment terminates.
For the mensuration of flame temperature field, roughly can distributed contact formula and contactless two large classes.Thermocouple thermometry and optical fiber temperature-measurement method are two kinds of common contact temperature-measuring methods, and belong to Equations of The Second Kind measuring method based on optical temperature measurement, but general device requires high, expensive, complicated operation.Therefore, be that one compares feasible method based on thermocouple thermometry, the utility model is also based on this.For the measurement of flame difference, three-dimensional coordinate is needed to carry out marking its volume coordinate, the devices such as general employing lifting table, three-dimensional frame, operation is relatively complicated, what the utility model designed can carry out thermometric in multiple directions for soot particles collection in combustion flame and temperature measuring equipment, this to general Study enough, what is more important, the utility model makes thermometric and jet-black collection can share same frame of axes.In the present embodiment, take full advantage of the outstanding spatial resolution of thermocouple wire and time-response, the accuracy of temperature measuring can be improved.
Embodiment 2
The one of the present embodiment is used for soot particles collection and temperature measuring equipment in combustion flame, and its basic structure is with embodiment 1, and difference is: it is 10 that 3 quantity are coiled in the jet-black collection in the present embodiment, arranged in parallel on erecting frame adjustable column 2.The course of work of the present embodiment, substantially with embodiment 1, can carry out the soot particles collection of 10 diverse locations in hydrocarbon combustion device 5 combustion flame simultaneously.
Embodiment 3
The one of the present embodiment is used for soot particles collection and temperature measuring equipment in combustion flame, and its basic structure is with embodiment 2, and difference is: it is 5 that 3 quantity are coiled in the jet-black collection in the present embodiment, arranged in parallel on erecting frame adjustable column 2.The course of work of the present embodiment, substantially with embodiment 1, can carry out the soot particles collection of 5 diverse locations in hydrocarbon combustion device 5 combustion flame simultaneously.
Schematically above be described the utility model and embodiment thereof, this description does not have restricted, and also just one of the embodiment of the present utility model shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the frame mode similar to this technical scheme and embodiment without creationary, protection domain of the present utility model all should be belonged to.
Claims (7)
1. one kind for soot particles collection and temperature measuring equipment in combustion flame, comprise and pallet (1), erecting frame adjustable column (2), jet-black collection dish (3) and temperature measuring dish (7) are installed, it is characterized in that: described installation pallet (1) comprises cylinder (11) and lower cylinder (12), the internal diameter of upper cylinder (11) equals the internal diameter of hydrocarbon combustion device (5), and the internal diameter of lower cylinder (12) equals the external diameter of hydrocarbon combustion device (5); Described erecting frame adjustable column (2) Vertical Uniform is distributed in be installed on pallet (1), and is connected mutually with installation pallet (1); Described jet-black collection dish (3) is evenly distributed with circular hole, and described erecting frame adjustable column (2) one_to_one corresponding runs through the circular hole on jet-black collection dish (3); Described jet-black collection dish (3) is provided with SiC fiber and fixes gap (4);
Described temperature measuring dish (7) is evenly distributed with circular hole, described erecting frame adjustable column (2) one_to_one corresponding runs through the circular hole on temperature measuring dish (7), described temperature measuring dish (7) is provided with 1 temperature measuring pointer (8), one end of this temperature measuring pointer (8) is connected mutually with temperature measuring dish (7), the other end of temperature measuring pointer (8) is most advanced and sophisticated, and described temperature measuring pointer (8) is pasted with thermocouple wire (9).
2. one according to claim 1 is used for soot particles collection and temperature measuring equipment in combustion flame, it is characterized in that: described erecting frame adjustable column (2) quantity is at least 3, and be equal to jet-black collection dish (3), the upper equally distributed circular hole quantity of temperature measuring dish (7).
3. one according to claim 1 and 2 is used for soot particles collection and temperature measuring equipment in combustion flame, it is characterized in that: the circular hole lateral wall on described jet-black collection dish (3) is provided with screw.
4. one according to claim 1 and 2 is used for soot particles collection and temperature measuring equipment in combustion flame, it is characterized in that: described jet-black collection dish (3) is provided with 1 ~ 10.
5. one according to claim 4 is used for soot particles collection and temperature measuring equipment in combustion flame, it is characterized in that: gap (4) quantity fixed by the SiC fiber on described jet-black collection dish (3) is 2,2 SiC fibers are fixed gap (4) and are positioned at the same of jet-black collection dish (3) diametrically.
6. one according to claim 5 is used for soot particles collection and temperature measuring equipment in combustion flame, it is characterized in that: the circular hole lateral wall on described temperature measuring dish (7) is provided with screw.
7. one according to claim 6 is used for soot particles collection and temperature measuring equipment in combustion flame, it is characterized in that: the measuring point of described thermocouple wire (9) is most advanced and sophisticated concordant with temperature measuring pointer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420646667.4U CN204177494U (en) | 2014-10-31 | 2014-10-31 | A kind of for soot particles collection and temperature measuring equipment in combustion flame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420646667.4U CN204177494U (en) | 2014-10-31 | 2014-10-31 | A kind of for soot particles collection and temperature measuring equipment in combustion flame |
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| CN204177494U true CN204177494U (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420646667.4U Expired - Fee Related CN204177494U (en) | 2014-10-31 | 2014-10-31 | A kind of for soot particles collection and temperature measuring equipment in combustion flame |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931661A (en) * | 2015-06-30 | 2015-09-23 | 武汉科技大学 | Method for bench measuring and testing of soot concentration |
| CN109520759A (en) * | 2018-10-26 | 2019-03-26 | 南京航空航天大学 | It is a kind of using aviation kerosine as the premix and pre-evaporation Bunsen burner corrosion chamber of fuel |
-
2014
- 2014-10-31 CN CN201420646667.4U patent/CN204177494U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931661A (en) * | 2015-06-30 | 2015-09-23 | 武汉科技大学 | Method for bench measuring and testing of soot concentration |
| CN104931661B (en) * | 2015-06-30 | 2016-08-24 | 武汉科技大学 | A kind of method that bench is measured and checked soot concentration |
| CN109520759A (en) * | 2018-10-26 | 2019-03-26 | 南京航空航天大学 | It is a kind of using aviation kerosine as the premix and pre-evaporation Bunsen burner corrosion chamber of fuel |
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| Date | Code | Title | Description |
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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 |
Granted publication date: 20150225 Termination date: 20151031 |
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| EXPY | Termination of patent right or utility model |