CN208672585U - A kind of low NO performance testing device - Google Patents
A kind of low NO performance testing device Download PDFInfo
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- CN208672585U CN208672585U CN201821443260.6U CN201821443260U CN208672585U CN 208672585 U CN208672585 U CN 208672585U CN 201821443260 U CN201821443260 U CN 201821443260U CN 208672585 U CN208672585 U CN 208672585U
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- gas
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- performance testing
- testing device
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Abstract
The utility model provides a kind of low NO performance testing device, is related to mechanical equipment technical field, and main purpose is to solve the problems, such as that burner performance measurement is difficult.The low NO performance testing device includes burner, shell, sampler, test device；Test device includes temperature and humidity tester and gas composition analyzer, and burner includes furnace body and preheater；Preheater is equipped with air inlet and outlet, smoke inlet and smoke outlet, and wherein air inlet is connected with air outlet, and smoke inlet is connected with smoke outlet；Air inlet is externally provided with intake stack；Sampler is located at air inlet and outlet, smoke inlet and smoke outlet；Sampler is connected by probe tube with gas composition analyzer, and gas composition analyzer is located in shell；Temperature and humidity tester is located at air inlet.The utility model is used to provide a kind of test device with detection low NO performance.
Description
Technical field
The utility model relates to mechanical equipment technical fields, more particularly, to a kind of low NO performance testing device.
Background technique
Burner is a kind of equipment for converting thermal energy by this chemical reaction mode of burning for substance, is widely used
In the several work such as boiler, kiln, steam power plant.Burner after the completion of installation or transformation needs that associated mechanisms is entrusted to carry out
Heat property test and combustibility detection could put into processing operation.Traditional test mode needs the specific knot according to burner
Structure is measured respectively in the different location of burner, time-consuming and laborious, and measurement is difficult, and cannot promptly and accurately be tested
Data.
Utility model content
The purpose of this utility model is to provide a kind of low NO performance testing devices, to solve to deposit in the prior art
Burner performance measurement difficulty technical problem.
To achieve the above object, the utility model provides a kind of low NO performance testing device, including burner,
Shell, sampler, test device；Wherein, the test device includes temperature and humidity tester and gas composition analyzer,
The burner includes furnace body and preheater, and the furnace body is connected with the preheater by pipeline；The preheating
Device is equipped with air inlet and outlet, smoke inlet and smoke outlet, wherein the air inlet is connected with the air outlet, it is described into
Mouth is connected with the smoke outlet；The air inlet is externally provided with intake stack, and gas is by the intake stack through air inlet
It flows into the preheater and enters in the furnace body after preheater heating；The high-temperature flue gas generated in the furnace body is logical
Piping is flowed into the preheater through the smoke inlet and is discharged through the smoke outlet；
The sampler is located at the air inlet, the air outlet, the smoke inlet and the smoke outlet；
The sampler is connected by probe tube with the gas composition analyzer, the gas composition analyzer position
In in the shell；
The temperature and humidity tester is located at the air inlet.
By the way that sampler is separately positioned on four air inlet and outlet, smoke inlet and smoke outlet different regions, together
When sampler is passed through into probe tube and gas composition analyzer connection again, it may be convenient to realize gas composition analyzer not
It is measured between burner different location and the different times gas sucked and the gas of discharge under the influence of by flue-gas temperature
Ingredient difference, and by the combustibility of difference detection burner used, since the humidity in air will lead to burning
Device generates heat loss, therefore by the aerial temperature and humidity of measurement air inlet, for reducing the error of measured data.
In the above-mentioned technical solutions, it is preferred that the quantity of the intake stack is at least two, multiple intake stacks
It is arranged in parallel.
By the way that the intake stack of multiple parallel connections is arranged, when passing through different gas in different intake stacks, Ke Yitong
The flow in different intake stacks is overregulated to adjust into the gas componant in burner, so as to measure burner not
Combustibility under same Supplying gas condition, by measuring the data it can be concluded that being most suitable for the gas componant of the burner.
In the above-mentioned technical solutions, it is preferred that the gas composition analyzer includes NO gas detecting instrument.
Since nitrogen oxides can pollute atmosphere, current Development Trend is to reduce nitrogen oxides caused by burner
Content, so need to set NO gas detecting instrument measurement burner generate nitrogen oxides content.
In the above-mentioned technical solutions, it is preferred that the gas composition analyzer further includes CO gas detecting instrument, H2S gas
Detector and SO2Any one or more in gas detecting instrument.
It is possible that CO and sulfide gas when due to coal burn incompletely, it is therefore desirable to related detection device be arranged
Detect its yield.
In the above-mentioned technical solutions, it is preferred that the smoke outlet of the preheater is additionally provided with temperature and humidity tester.
Partial heat can be taken away when due to flue gas emission, and temperature-humidity monitoring instrument is set at smoke outlet for detecting cigarette
The temperature and humidity of gas keeps the result of measurement more accurate to reduce the calculating error of burner combustion performance.
In the above-mentioned technical solutions, it is preferred that the test device further includes laser particle analyzer and dust concentration tester,
The laser particle analyzer and the dust concentration tester are respectively positioned at the smoke outlet.
In the above-mentioned technical solutions, it is preferred that valve is equipped in the intake stack.
In the above-mentioned technical solutions, it is preferred that controller is equipped in the shell, the controller is electrically connected with the valve
It connects, for controlling the folding of the valve.
In the above-mentioned technical solutions, it is preferred that the sampler includes minipump, and the minipump is used for
It aspirates the gas near sampler and the gas being drawn into is delivered to the gas composition analyzer by the probe tube
Place.
In the above-mentioned technical solutions, it is preferred that the sampler includes jet pump.
Compared with the prior art, the utility model provides a kind of low NO performance testing device, which includes
Burner, shell, sampler and test device, wherein test device includes temperature and humidity tester and gas composition analyzer,
Temperature and humidity tester therein is used to detect the gas temperature and humidity of air inlet, and gas composition analyzer is for detecting disengaging
The composition of air situation of change of burner；By detection gas composition transfer situation can be convenient to calculate the burner current
The gas station generated under working condition, to judge its combustibility.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of low NO performance testing device of the utility model；
Fig. 2 is the structural schematic diagram of preheater in a kind of low NO performance testing device of the utility model；
Fig. 3 is a kind of structural schematic diagram of low NO performance testing device intake stack of the utility model.
In figure: 1, burner；11, furnace body；12, preheater；121, air inlet；122, air outlet；123, smoke inlet；124,
Smoke outlet；2, shell；3, sampler；4, test device；41, temperature and humidity tester；42, gas composition analyzer；43, laser
Particle size analyzer；44, dust concentration tester；5, intake stack.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on attached orientation or positional relationship shown in FIG. 1, be only for
Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
As shown in Figs. 1-2, the utility model provides a kind of low NO performance testing device, including burner 1, shell
Body 2, sampler 3, test device 4；Wherein, test device 4 includes temperature and humidity tester 41 and gas composition analyzer 42,
Burner 1 includes furnace body 11 and preheater 12, and furnace body 11 is connected with preheater 12 by pipeline；It is set on preheater 12
There are air inlet 121, air outlet 122, smoke inlet 123 and smoke outlet 124, wherein air inlet 121 is connected with air outlet 122, into
Mouth 123 is connected with smoke outlet 124；Air inlet 121 is externally provided with intake stack 5, and gas is by intake stack 5 through air inlet
121 flow into preheater 12 and enter in furnace body 11 after the heating of preheated device 12；The high-temperature flue gas generated in furnace body 11 passes through pipe
Road is flowed into preheater 12 through smoke inlet 123 and is discharged through smoke outlet 124；
Sampler 3 is located at air inlet 121, air outlet 122, smoke inlet 123 and smoke outlet 124；
Sampler 3 is connected by probe tube with gas composition analyzer 42, and gas composition analyzer 42 is located at shell 2
It is interior；
Temperature and humidity tester 41 is located at air inlet 121.
By the way that sampler 3 is separately positioned on air inlet 121, air outlet 122, smoke inlet 123 and smoke outlet 124 4
Different regions, while sampler 3 is passed through into probe tube and 42 connection of gas composition analyzer again, it may be convenient to realize gas
Body composition analysis instrument 42 measures the gas that 1 different location of burner and different times are sucked under the influence of not by flue-gas temperature
Ingredient difference between body and the gas of discharge, and by the combustibility of difference detection burner 1 used, due to air
In humidity will lead to burner 1 generate heat loss, therefore by measurement air inlet 121 at aerial temperature and humidity, for reducing
The error of measured data.
Optionally embodiment, the quantity of intake stack 5 are at least two, and multiple intake stacks 5 are arranged in parallel.
It, can be with when in different intake stacks 5 by different gas by the way that the intake stack 5 of multiple parallel connection is arranged
It is adjusted by adjusting the flow in different intake stacks 5 into the gas componant in burner 1, so as to measure burner
1 combustibility under different Supplying gas conditions, by measure the data it can be concluded that be most suitable for the gas of the burner 1 at
Point.
When it is implemented, controlled by the folding for controlling different intake stacks 5 into the gas in preheater 12 at
Point；When gas difference in different intake stacks 5, it can choose one or more of intake stacks 5 and 121 phase of air inlet
Connection is realized by controlling the gas flow size in the intake stack 5 being connected to the gas entered in preheater 12
The adjusting of ingredient；It is respectively turned on heterogeneity, deployed prefabricated gas in the intake stack 5 that can also be different, leads to
The intake stack 5 that control is connected with air inlet 121 is crossed to control into the gaseous species and concentration in burner 1.
Specifically, pre-configured gas can be installed with high pressure gas cylinder, convenient for using when detection.
Optionally embodiment, gas composition analyzer 42 include NO gas detecting instrument.
Since nitrogen oxides can pollute atmosphere, current Development Trend is to reduce nitrogen oxidation caused by burner 1
The content of object, so needing to set the content for the nitrogen oxides that NO gas detecting instrument measurement burner 1 generates.
Optionally embodiment, gas composition analyzer 42 further include CO gas detecting instrument, H2S gas detecting instrument and
SO2Any one or more in gas detecting instrument.
It is possible that CO and sulfide gas when due to coal burn incompletely, it is therefore desirable to related detection device be arranged
Detect its yield.
The smoke outlet 124 of optionally embodiment, preheater 12 is additionally provided with temperature and humidity tester 41.
Partial heat can be taken away when due to flue gas emission, and temperature and humidity tester 41 is set at smoke outlet 124 and is used for
The temperature and humidity of flue gas is detected, to reduce the calculating error of 1 combustibility of burner, keeps the result of measurement more accurate.
Optionally embodiment, test device 4 further include laser particle analyzer 43 and dust concentration tester 44, laser
Particle size analyzer 43 and dust concentration tester 44 are respectively positioned at smoke outlet 124.
Optionally embodiment, intake stack 5 is interior to be equipped with valve.
The folding and gas flow size of intake stack 5 are controlled by the valve.
Specifically, being also provided with flowmeter in intake stack 5, which is used to measure the gas by intake stack 5
The uninterrupted of body.
Optionally embodiment, shell 2 is interior to be equipped with controller, and controller is electrically connected with valve, is used for control valve
Folding.
Specifically, being additionally provided with display screen on the shell 2 of the device, processor, processor and display screen electricity are equipped in shell 2
Connection, processor is also electrically connected with test device 4, thus processor the data that different location measures can handle it is whole
It closes, and corresponding result is shown over the display；Processor is electrically connected with the controller, and processor can assign pass to controller
In the instruction of valve switch, controller controls the folding of solenoid valve according to the instruction that processor is issued.
Controller is single-chip microcontroller；Processor is micro processor, such as Pentium processor.
Optionally embodiment, sampler 3 include minipump, and minipump is for aspirating sampler
The gas being drawn into simultaneously is delivered at gas composition analyzer 42 by gas near 3 by probe tube.
Optionally embodiment, sampler 3 include jet pump.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (10)
1. a kind of low NO performance testing device, which is characterized in that including burner (1), shell (2), sampler
(3), test device (4)；Wherein, the test device (4) includes temperature and humidity tester (41) and gas composition analyzer (42),
The burner (1) includes furnace body (11) and preheater (12), and the furnace body (11) and the preheater (12) pass through pipe
Road is connected；The preheater (12) is equipped with air inlet (121), air outlet (122), smoke inlet (123) and smoke outlet (124),
Wherein the air inlet (121) is connected with the air outlet (122), the smoke inlet (123) and the smoke outlet (124) phase
Connection；The air inlet (121) is externally provided with intake stack (5), and gas is flowed by the intake stack (5) through air inlet (121)
Enter in the preheater (12) and enters in the furnace body (11) after the preheater (12) heating；It is produced in the furnace body (11)
Raw high-temperature flue gas is flowed into the preheater (12) and through the smoke outlet (124) by pipeline through the smoke inlet (123)
Discharge；
The sampler (3) is located at the air inlet (121), the air outlet (122), the smoke inlet (123) and described
At smoke outlet (124)；
The sampler (3) is connected by probe tube with the gas composition analyzer (42), the gas composition analysis
Instrument (42) is located in the shell (2)；
The temperature and humidity tester (41) is located at the air inlet (121).
2. low NO performance testing device according to claim 1, which is characterized in that the intake stack (5)
Quantity is at least two, and multiple intake stacks (5) are arranged in parallel.
3. low NO performance testing device according to claim 1, which is characterized in that the gas composition analyzer
It (42) include NO gas detecting instrument.
4. low NO performance testing device according to claim 3, which is characterized in that the gas composition analyzer
It (42) further include CO gas detecting instrument, H2S gas detecting instrument and SO2Any one or more in gas detecting instrument.
5. low NO performance testing device according to claim 1, which is characterized in that the row of the preheater (12)
Mouth (124) is additionally provided with temperature and humidity tester (41).
6. low NO performance testing device according to claim 1, which is characterized in that the test device (4) is also
Including laser particle analyzer (43) and dust concentration tester (44), the laser particle analyzer (43) and the dust concentration tester
(44) it is respectively positioned at the smoke outlet (124).
7. low NO performance testing device according to claim 2, which is characterized in that in the intake stack (5)
Equipped with valve.
8. low NO performance testing device according to claim 7, which is characterized in that be equipped in the shell (2)
Controller, the controller are electrically connected with the valve, for controlling the folding of the valve.
9. low NO performance testing device according to claim 1, which is characterized in that sampler (3) packet
Minipump is included, the gas that the minipump is used to aspirate sampler (3) nearby simultaneously passes through the gas being drawn into
The probe tube is delivered at the gas composition analyzer (42).
10. low NO performance testing device according to claim 1, which is characterized in that sampler (3) packet
Include jet pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821443260.6U CN208672585U (en) | 2018-09-04 | 2018-09-04 | A kind of low NO performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821443260.6U CN208672585U (en) | 2018-09-04 | 2018-09-04 | A kind of low NO performance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208672585U true CN208672585U (en) | 2019-03-29 |
Family
ID=65843233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821443260.6U Expired - Fee Related CN208672585U (en) | 2018-09-04 | 2018-09-04 | A kind of low NO performance testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208672585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115452041A (en) * | 2022-08-18 | 2022-12-09 | 东方电气集团东方锅炉股份有限公司 | Cyclone burner and evaluation method of combustion state thereof |
-
2018
- 2018-09-04 CN CN201821443260.6U patent/CN208672585U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115452041A (en) * | 2022-08-18 | 2022-12-09 | 东方电气集团东方锅炉股份有限公司 | Cyclone burner and evaluation method of combustion state thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190329 Termination date: 20210904 |