CN216926729U - Experimental device for be used for flue simulation - Google Patents
Experimental device for be used for flue simulation Download PDFInfo
- Publication number
- CN216926729U CN216926729U CN202122843759.4U CN202122843759U CN216926729U CN 216926729 U CN216926729 U CN 216926729U CN 202122843759 U CN202122843759 U CN 202122843759U CN 216926729 U CN216926729 U CN 216926729U
- Authority
- CN
- China
- Prior art keywords
- flue
- gas
- pipe
- flue pipe
- simulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses an experimental device for flue simulation, which belongs to the technical field of gas detection and comprises a flue pipe, wherein a gas inlet is arranged on the flue pipe, gas enters the flue pipe along the gas inlet, a plurality of interfaces for collecting gas components are arranged on the pipe wall of the flue pipe, a flow temperature sampling port is arranged on the interfaces along the flowing direction of the gas in the flue pipe, and the flow temperature sampling port is used for collecting the flow and the temperature of the gas in the flue pipe; the flue simulation experiment device is electrically connected with the CEMS monitoring system, the PLC and the DCS respectively, so that the simulation of the on-site smoke emission continuous monitoring technology is realized, and the flue simulation experiment device has important practice guidance significance for the training direction of the thermal power plant in the CEMS field.
Description
Technical Field
The utility model belongs to the technical field of gas detection, and particularly relates to an experimental device for flue simulation.
Background
In the power industry, coal-fired power generation can generate and discharge a large amount of flue gas, and C0, S02, S03, N0x and the like in the flue gas are extremely harmful to ecological environment and human bodies. In the process of boiler operation, in order to know the degree of incomplete combustion in the stove, conveniently adjust the combustion condition, need monitor various compositions in the flue gas.
In recent years, the technology for reducing nitrogen oxides in flue gas discharged by a flue of a thermal power plant is deeply researched at home and abroad. At present, the Selective Catalytic Reduction (SCR) flue gas denitration technology is mainly used in domestic thermal power plants to reduce NOx into N2. Common methods for continuously monitoring the smoke emission include a dilution sampling method, a direct extraction method and an insertion measurement method. The premise that the technology can be effectively implemented is that the continuous detection of the smoke is required as a technical guarantee.
Disclosure of Invention
The utility model aims to provide an experimental device for flue simulation, which has practical guiding significance on how to reduce nitrogen oxides in flue gas discharged by a thermal power plant.
In order to solve the problems, the utility model adopts the following technical scheme: an experimental device for flue simulation is characterized by comprising a flue pipe, wherein an air inlet is arranged on the flue pipe, gas enters the flue pipe along the air inlet, a plurality of interfaces for collecting gas components are arranged on the pipe wall of the flue pipe, a flow temperature sampling port is arranged on the interfaces along the flowing direction of the gas in the flue pipe, and the flow temperature sampling port is used for collecting the flow and the temperature of the gas in the flue pipe;
the flue pipe is provided with a gas mass flow meter for monitoring the quality of gas in the flue pipe, and one side of the gas mass flow meter is provided with a centrifugal fan for discharging the gas out of the flue pipe.
Furthermore, the interface comprises an ammonia interface, and a dust interface and a nitrogen oxide interface are respectively arranged on two sides of the ammonia interface.
Furthermore, an air inlet and an air outlet are formed in the centrifugal fan, the gas enters the centrifugal fan through the air inlet, and the gas is discharged through the air outlet.
Further, the diameter of the air inlet is smaller than that of the flue pipe body.
Furthermore, the experimental device is respectively and electrically connected with the CEMS monitoring system, the PLC and the DCS control system.
Further, the CEMS monitoring system is used for monitoring the change of the concentration of the nitrogen oxides in the flue gas; the PLC acquires a measurement signal of the CEMS monitoring system; and the DCS control system is used for controlling the flue simulation experiment device.
Compared with the prior art, the utility model has the following beneficial effects:
the flue pipe is provided with a gas inlet, gas enters the flue pipe along the gas inlet, the pipe wall of the flue pipe is provided with a plurality of interfaces for collecting gas components, the interfaces are provided with flow temperature sampling ports along the flowing direction of the gas in the flue pipe, and the flow temperature sampling ports are used for collecting the flow and the temperature of the gas in the flue pipe; the flue pipe is provided with a gas mass flow meter for monitoring the quality of gas in the flue pipe, and one side of the gas mass flow meter is provided with a centrifugal fan for discharging the gas out of the flue pipe. The utility model realizes the simulation of the on-site smoke emission continuous monitoring technology, deepens the understanding of on-site operators to various gas monitoring devices and the understanding of the concentration standard of the monitored gas content, and has important practical and guiding significance for the training direction of the thermal power plant in the CEMS field.
Drawings
FIG. 1 is a schematic structural diagram of an experimental apparatus for flue simulation according to an embodiment of the present invention
In the figure: 1-an air inlet; 2-dust interface; 3-ammonia interface; 4-nitrogen oxide interface; 5-flow temperature sampling port; 6-gas mass flow meter; 7-a centrifugal fan; 8-air inlet; 9-air outlet; 10-flue pipe; 11-interface.
Detailed Description
The present invention is further described with reference to the accompanying drawings, and the following examples are only for clearly illustrating the technical solutions of the present invention, and should not be taken as limiting the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1, an embodiment of the present invention provides an experimental apparatus for flue simulation, and the experimental apparatus is electrically connected to a CEMS monitoring system, a PLC, and a DCS control system, respectively. Further, the CEMS monitoring system is used for monitoring the change of the concentration of the nitrogen oxides in the flue gas; the PLC acquires a measurement signal of the CEMS monitoring system; and the DCS control system is used for controlling the flue simulation experiment device.
The flue simulation experiment device comprises a flue pipe 10, wherein the flue pipe 10 is formed by an organic glass rectangular pipe and a stainless steel pipeline, and the size of the organic glass rectangular pipe is 4500 x 400 x 300 mm; the caliber of the stainless pipe is 60 mm; be equipped with air inlet 1 on the flue pipe 10, set up air inlet 1 at the entrance of flue pipe 10, the diameter of air inlet 1 is less than the diameter of flue pipe 10 body. Gas enters the flue pipe 10 along the gas inlet 1, the pipe wall of the flue pipe 10 is provided with a plurality of interfaces 11 for collecting gas components, in this embodiment, the number of the interfaces 11 is 3, each interface 11 comprises an ammonia interface 3, a dust interface 2 and a nitrogen oxide interface 4, and the two sides of the ammonia interface 3 are respectively provided with the dust interface 2 and the nitrogen oxide interface 4; the nitrogen oxide gas, ammonia gas and dust with calibrated concentration are introduced through the interface 11, the frequency of the centrifugal fan 7 is adjusted, it needs to be explained here that the frequency can be adjusted by the centrifugal fan 7 or a gas cylinder pressure reducing valve, the change of the nitrogen oxide concentration measured by the CEMS system is observed, and the experimental gas concentration change trend curve is recorded.
The interface 11 is provided with a flow temperature sampling port 5 along the flowing direction of gas in the flue pipe 10, the flow temperature sampling port 5 is used for collecting the flow and temperature of the gas in the flue pipe 10, the flue pipe 10 is bent in a C shape at the flow temperature sampling port 5, the flue pipe 10 is provided with a gas mass flow meter 6 for monitoring the quality of the gas in the flue pipe 10, and one side of the gas mass flow meter 6 is provided with a centrifugal fan 7 for discharging the gas out of the flue pipe 10; the centrifugal fan 7 is provided with an air inlet 8 and an air outlet 9, the gas enters the centrifugal fan 7 through the air inlet 8, and the gas is discharged through the air outlet 9.
The flue simulation experiment device in the embodiment of the utility model needs to take gas hydrodynamics and aerodynamics as calculation basis. The technical parameters of the flue are calculated on the premise of selecting the air volume and the air pressure of the centrifugal fan and the concentration of the experimental standard gas, the technical specification of the flue simulation experiment device is calculated, and the flue gas continuous monitoring system and the simulated flue experiment device are jointly applied, so that the simulation of the on-site flue gas emission continuous monitoring technology is realized.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The experimental device for flue simulation is characterized by comprising a flue pipe (10), wherein an air inlet (1) is formed in the flue pipe (10), air enters the flue pipe (10) along the air inlet (1), a plurality of interfaces (11) used for collecting gas components are arranged on the pipe wall of the flue pipe (10), a flow temperature sampling port (5) is formed in the interface (11) along the flowing direction of the air in the flue pipe (10), and the flow temperature sampling port (5) is used for collecting the flow and the temperature of the air in the flue pipe (10);
be equipped with gas mass flow meter (6) that are used for monitoring gas quality in flue pipe (10) on flue pipe (10), one side of gas mass flow meter (6) is equipped with and is used for with outer centrifugal fan (7) of gas outgoing flue pipe (10).
2. An experimental device for flue simulation according to claim 1, wherein the interface (11) comprises an ammonia interface (3), and a dust interface (2) and a nitrogen oxide interface (4) are respectively arranged on two sides of the ammonia interface (3).
3. The experimental device for flue simulation according to claim 1, wherein the centrifugal fan (7) is provided with an air inlet (8) and an air outlet (9), the gas enters the centrifugal fan (7) through the air inlet (8), and the gas is discharged through the air outlet (9).
4. Experimental device for flue simulation according to claim 1, characterized in that the diameter of the air inlet (1) is smaller than the diameter of the flue pipe (10) body.
5. The experimental facility for flue simulation as claimed in claim 1, wherein the experimental facility is electrically connected to the CEMS monitoring system, the PLC and the DCS control system, respectively.
6. The experimental apparatus for flue simulation of claim 5, wherein the CEMS monitoring system is used for monitoring the change of the concentration of nitrogen oxides in flue gas; the PLC acquires a measurement signal of the CEMS monitoring system; and the DCS control system is used for controlling the experimental device for flue simulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122843759.4U CN216926729U (en) | 2021-11-19 | 2021-11-19 | Experimental device for be used for flue simulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122843759.4U CN216926729U (en) | 2021-11-19 | 2021-11-19 | Experimental device for be used for flue simulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216926729U true CN216926729U (en) | 2022-07-08 |
Family
ID=82247666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122843759.4U Active CN216926729U (en) | 2021-11-19 | 2021-11-19 | Experimental device for be used for flue simulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216926729U (en) |
-
2021
- 2021-11-19 CN CN202122843759.4U patent/CN216926729U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205138848U (en) | Be applied to multiple spot sampling device of denitration CEMS system | |
| CN203870081U (en) | SCR low-temperature denitration pilot test device | |
| CN215727140U (en) | Novel CEMS flue gas multiple spot sampling device | |
| CN111495182A (en) | Flue gas denitration measuring device applied to thermal power plant and regulation control method | |
| CN216926729U (en) | Experimental device for be used for flue simulation | |
| CN210449216U (en) | Active coke analysis system with early warning function | |
| CN209576301U (en) | A kind of system for high temperature flue-gas from boiler cooling measurement nitrogen oxides | |
| CN205209829U (en) | Controllable flue gas sampling device of flow | |
| CN110772989A (en) | High-temperature ultra-clean dedusting and denitration integrated equipment | |
| CN205760638U (en) | One uniformly sprays ammonia system | |
| CN213790946U (en) | Denitration system suitable for landfill gas power station | |
| CN213375906U (en) | Coking flue gas desulfurization and denitrification device | |
| CN212215072U (en) | Solve too big multitube plasma SOx/NOx control device of traditional volume | |
| CN210934462U (en) | Used for removing NO in flue gasxIn a device | |
| CN204134468U (en) | Reverse multiple spot swirl injection denitrification apparatus | |
| CN106932218B (en) | Multifunctional experiment system for removing multiple pollutants | |
| CN208389759U (en) | A kind of low-temperature flue gas ozone denitration high efficiency reactor | |
| CN204799106U (en) | SCR deNOx systems suitable for under high ash -laden gas condition | |
| CN209519605U (en) | A kind of flue gas denitrification equipment | |
| CN204735116U (en) | SCR deNOx systems suitable for under low ash -laden gas condition | |
| CN218470301U (en) | Denitration ammonia escape on-line analysis sampling pretreatment system | |
| CN110270319A (en) | A kind of activated coke resolution system with warning function | |
| CN204841382U (en) | Glass kiln low temperature denitrification facility | |
| CN210322489U (en) | Flue gas sampler capable of controlling flow rate of sample gas by utilizing pressure regulation | |
| CN205216580U (en) | Flue gas of kiln waste heat low temperature catalysis denitrification facility |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |