CN215894142U - Hybrid system for sampling flue gas in power station boiler energy efficiency test - Google Patents
Hybrid system for sampling flue gas in power station boiler energy efficiency test Download PDFInfo
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- CN215894142U CN215894142U CN202121614197.XU CN202121614197U CN215894142U CN 215894142 U CN215894142 U CN 215894142U CN 202121614197 U CN202121614197 U CN 202121614197U CN 215894142 U CN215894142 U CN 215894142U
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- flue gas
- smoke
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- mixing chamber
- gas sampling
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Abstract
The utility model discloses a hybrid system for flue gas sampling in power station boiler energy efficiency test, which comprises a split type flue gas sampling gun, a flue gas mixing chamber, a flue gas suction pump and a flue gas measuring chamber, wherein the split type flue gas sampling gun is connected with the flue gas sampling chamber; the split type flue gas sampling gun is detachable and convenient to carry; the flue gas mixing type is provided with a flue gas sampling gun connecting port which is connected through a temperature-resistant hose; a flue gas homogenizing pore plate is arranged in the flue gas mixing chamber, so that flue gas is uniformly mixed; the flue gas suction pump is connected with the mixing chamber through a temperature-resistant hose; the smoke measuring chamber is connected with the outlet of the smoke air pump; the smoke measuring chamber is provided with a probe insertion opening of a smoke analyzer and is used for analyzing the mixed smoke by a smoke analyzer probe; the smoke measuring chamber is provided with a smoke outlet and is connected to a safety place through a hose for discharging.
Description
Technical Field
The utility model relates to a mixing device for sampling flue gas in a power station boiler energy efficiency test, which is used for improving the working efficiency and the testing accuracy of the power station boiler energy efficiency test.
Background
In the energy efficiency test of the power station boiler, the flue gas sampling analysis needs a plurality of representative points or samples taken out in a gridding mode, and the flue gas components are analyzed. The multi-point sampling influences the work efficiency of test, and the reanalysis easily produces the mixture of air and flue gas sample after the sample, consequently, adopts the mixing arrangement of flue gas sample, improves the degree of accuracy and the work efficiency of sample.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a flue gas sampling device for power station boiler energy efficiency test,
the utility model is realized by the following steps: the utility model provides a hybrid system that is used for power plant boiler efficiency test flue gas to take a sample which characterized in that: the device comprises a split type flue gas sampling gun, a flue gas mixing chamber, a flue gas suction pump and a flue gas measuring chamber;
the flue gas mixing chamber is provided with a flue gas sampling gun connecting port which is connected through a temperature-resistant hose; a flue gas homogenizing pore plate is arranged in the flue gas mixing chamber, so that flue gas is uniformly mixed;
the flue gas suction pump is connected with the mixing chamber through a temperature-resistant hose;
the smoke measuring chamber is connected with the outlet of the smoke air pump; the smoke measuring chamber is provided with a probe insertion opening of a smoke analyzer and is used for analyzing the mixed smoke by a smoke analyzer probe; the smoke measuring chamber is provided with a smoke outlet and is connected to a safety place through a hose for discharging.
Each section of the split type flue gas sampling gun is connected through threads, and the length of each section is not more than 1.5 m.
The flue gas mixing chamber is provided with flue gas sampling gun interfaces with the same direction and size, and the flue gas sampling gun interfaces are connected through the same temperature-resistant hose, so that the flue gas resistance of each sampling connection is ensured to be the same, and the uniformity of flue gas sampling is ensured.
The flue gas mixing chamber is a cylinder with a circular cross section, and the connecting ports of the flue gas sampling guns are uniformly distributed on the circumference.
The even gas orifice plate of flue gas is equipped with to flue gas mixing chamber inside, corresponds the flue gas sampling rifle connector on the orifice plate and is equipped with quantity, the same round hole of size, can guarantee the flue gas misce bene of each sampling point.
The flue gas aspiration pump passes through the temperature resistant hose connection with the mixing chamber, flue gas measurement room and flue gas aspiration pump exit linkage can guarantee that the flue gas takes out from the sampling point of negative pressure smoothly, guarantees flue gas sampling chamber malleation, and the flue gas analyzer can follow the sufficient flue gas of extraction in the analysis chamber.
Compared with the prior art, the utility model has the beneficial effects that: the flue gas sampling rifle adopts threaded connection's split type structure, does benefit to and carries and field assembly, can need to use different specification combinations according to the sample position, is applicable to the power plant boiler of different models.
Adopt circular cross section's flue gas mixing chamber, the equipartition is gone up to flue gas sampling rifle connector on the circumference, under the condition that the specification and size of guaranteeing flue gas sampling rifle and connecting pipe is the same all, can guarantee that the flue gas sample volume of each sampling point is unanimous basically, between flue gas sampling rifle connector and flue gas mixing chamber export, set up even gas orifice plate, the position that corresponds the connector, set up the aperture, the round hole that the quantity is the same, make the flue gas of each interface before going out the mixing chamber, can the misce bene, can improve flue gas analysis's the degree of accuracy.
The pressure of the flue gas sampling position is negative pressure, the pump is required to have enough pressure head to overcome, the flue gas mixing chamber is arranged between the sampling point and the flue gas suction pump, multi-point sampling can be carried out by only one pump, and the number of the suction pumps is reduced.
The smoke measuring chamber is arranged at the outlet of the smoke air pump, and the pressure of the smoke measuring chamber is positive pressure in the testing and sampling process, so that air infiltration and influence on smoke components can be prevented; on the other hand, the smoke analyzer can be ensured to smoothly extract enough smoke for analysis.
The flue gas measuring chamber is provided with a flue gas outlet and is connected to a safe place through a hose for discharging, and the arrangement can ensure safety and does not influence the smooth operation of flue gas analysis.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a mixing device for sampling flue gas in a power station boiler energy efficiency test.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Fig. 1 is a schematic structural diagram of a mixing device for flue gas sampling in a power station boiler energy efficiency test according to the present invention. The utility model discloses a mixing device for flue gas sampling in power station boiler energy efficiency test, which comprises: the device comprises a split type flue gas sampling gun 1, a flue gas mixing chamber 2, a flue gas suction pump 3 and a flue gas measuring chamber 4. The split type flue gas sampling gun 1 comprises a gun body tube 11, a connecting tube head 12 and a connecting hose 13; rifle body pipe 11 is connected the fastening fixedly of turning round through screw and connector 12, and rifle body pipe 11 passes through the clamp and is fixed with coupling hose 13, and split type flue gas sampling rifle is direct to stretch into the sample point position of flue through the inspection hole of reserving.
The flue gas mixing chamber 2 comprises a flue gas sampling gun connecting port 21, a mixing chamber cylinder 22, a gas homogenizing hole plate 23, a mixing chamber end plate 24 and a mixing chamber outlet pipe 25; the flue gas sampling gun connecting ports 21 are uniformly distributed on the mixing chamber cylinder 22 and are connected with a flue gas sampling gun hose through a clamping hoop; the mixing chamber cylinder 22, the gas homogenizing hole plate 23 and the mixing chamber end plate 24 are made of PE materials and are connected into a whole through welding; the mixing chamber outlet pipe 25 is welded and fixed on the mixing chamber end plate 24 and is connected with the inlet of the smoke suction pump through a hose.
The flue gas suction pump 3 comprises a suction pump body 31, an air inlet interface 32 and an air outlet interface 33; the flue gas enters from the air inlet interface 31, and the pressure of all pipelines in front of the interface is negative pressure; the flue gas is discharged from the gas outlet interface, and then all pipeline pressure intensities are positive pressure.
The flue gas measuring chamber 4 comprises an air inlet interface 41, a measuring chamber cylinder 42, a measuring chamber end plate 43, a measuring port 44 and an air outlet interface 45; the flue gas interface 41 is connected with the outlet of the flue gas suction pump through a hose; the smoke analyzer detection gun is inserted from the measurement port 44 for real-time analysis; the outlet port 45 is connected to a hose to discharge the flue gas to a safe place.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a hybrid system that is used for power plant boiler efficiency test flue gas to take a sample which characterized in that: the device comprises a split type flue gas sampling gun, a flue gas mixing chamber, a flue gas suction pump and a flue gas measuring chamber;
the flue gas mixing chamber is provided with a flue gas sampling gun connecting port which is connected through a temperature-resistant hose; a flue gas homogenizing pore plate is arranged in the flue gas mixing chamber, so that flue gas is uniformly mixed;
the flue gas suction pump is connected with the mixing chamber through a temperature-resistant hose;
the smoke measuring chamber is connected with the outlet of the smoke air pump; the smoke measuring chamber is provided with a probe insertion opening of a smoke analyzer and is used for analyzing the mixed smoke by a smoke analyzer probe; the smoke measuring chamber is provided with a smoke outlet and is connected to a safety place through a hose for discharging.
2. The hybrid system for power plant boiler energy efficiency test flue gas sampling of claim 1, characterized in that: each section of the split type flue gas sampling gun is connected through threads.
3. The hybrid system for power plant boiler energy efficiency test flue gas sampling of claim 2, characterized in that: the length of each segment is not more than 1.5 m.
4. The hybrid system for power plant boiler energy efficiency test flue gas sampling of claim 1, characterized in that: the flue gas mixing chamber is provided with flue gas sampling gun interfaces with the same direction and size, and the flue gas sampling gun interfaces are connected through the same temperature-resistant hose, so that the flue gas resistance of each sampling connection is ensured to be the same, and the uniformity of flue gas sampling is ensured.
5. The hybrid system for power plant boiler energy efficiency test flue gas sampling of claim 4, wherein: the flue gas mixing chamber is a cylinder with a circular cross section, and the connecting ports of the flue gas sampling guns are uniformly distributed on the circumference.
6. The hybrid system for power plant boiler energy efficiency test flue gas sampling of claim 1, characterized in that: the even gas orifice plate of flue gas is equipped with to flue gas mixing chamber inside, corresponds the flue gas sampling rifle connector on the orifice plate and is equipped with quantity, the same round hole of size, can guarantee the flue gas misce bene of each sampling point.
7. The hybrid system for power plant boiler energy efficiency test flue gas sampling of claim 1, characterized in that: the flue gas aspiration pump passes through the temperature resistant hose connection with the mixing chamber, flue gas measurement room and flue gas aspiration pump exit linkage can guarantee that the flue gas takes out from the sampling point of negative pressure smoothly, guarantees flue gas sampling chamber malleation, and the flue gas analyzer can follow the sufficient flue gas of extraction in the analysis chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121614197.XU CN215894142U (en) | 2021-07-16 | 2021-07-16 | Hybrid system for sampling flue gas in power station boiler energy efficiency test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121614197.XU CN215894142U (en) | 2021-07-16 | 2021-07-16 | Hybrid system for sampling flue gas in power station boiler energy efficiency test |
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| Publication Number | Publication Date |
|---|---|
| CN215894142U true CN215894142U (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121614197.XU Active CN215894142U (en) | 2021-07-16 | 2021-07-16 | Hybrid system for sampling flue gas in power station boiler energy efficiency test |
Country Status (1)
| Country | Link |
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| CN (1) | CN215894142U (en) |
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2021
- 2021-07-16 CN CN202121614197.XU patent/CN215894142U/en active Active
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