CN112798365B - Novel garbage incineration high-temperature flue gas sampling gun - Google Patents
Novel garbage incineration high-temperature flue gas sampling gun Download PDFInfo
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- CN112798365B CN112798365B CN202110002960.1A CN202110002960A CN112798365B CN 112798365 B CN112798365 B CN 112798365B CN 202110002960 A CN202110002960 A CN 202110002960A CN 112798365 B CN112798365 B CN 112798365B
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- 238000005070 sampling Methods 0.000 title claims abstract description 84
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 239000003546 flue gas Substances 0.000 title claims abstract description 82
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 121
- 239000010959 steel Substances 0.000 claims abstract description 121
- 239000000428 dust Substances 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 239000000779 smoke Substances 0.000 claims description 23
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 3
- 229910000856 hastalloy Inorganic materials 0.000 claims description 3
- 229910052755 nonmetal Inorganic materials 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000035772 mutation Effects 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 abstract 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052801 chlorine Inorganic materials 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 abstract 1
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 7
- 239000002699 waste material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 206010064571 Gene mutation Diseases 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000000392 somatic effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
- G01N1/2258—Sampling from a flowing stream of gas in a stack or chimney
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
- G01N2001/227—Sampling from a flowing stream of gas separating gas from solid, e.g. filter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N2001/2282—Devices for withdrawing samples in the gaseous state with cooling means
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a novel garbage incineration high-temperature flue gas sampling gun. The sampling gun comprises an arc-shaped sampling nozzle, a dust removing part and a cooling part. The flue gas flows into the dust removing part through the arc sampling nozzle, most of dust can be removed by the mutation of the pipe diameter and the high-temperature dust removing film in the pipe diameter, and the dust removing part adopts a detachable structure, so that the dust deposited at the bottom can be cleaned in time. After the flue gas flows into the serpentine circuit of the cooling part after passing through the dust removing part, the flue gas is cooled by circulating water in the steel pipe at the outer end of the cooling part, and the flue gas and the circulating water are subjected to heat exchange so as to quickly cool the flue gas. The sampling gun has the advantages of simple structure, high chlorine corrosion resistance at high temperature, complete functions and high economic benefit, and can realize high-temperature sampling.
Description
Technical Field
The invention relates to the technical field of combustion flue gas sampling, in particular to a novel garbage incineration high-temperature flue gas sampling gun.
Background
Dioxin is a colorless, odorless and severely toxic fat-soluble substance, can cause human or animal somatic canceration and gene mutation, and is a persistent organic pollutant which forms serious harm to human living environment. Dioxin mainly originates from incineration of municipal domestic waste, and even if the most advanced equipment and incineration technology are adopted at present, the generation of dioxin cannot be avoided. Therefore, toxic substances such as dioxin and the like in the waste incinerator must be treated before the waste gas of the waste incinerator is discharged, and thus, the equipment for sampling dioxin which can resist high temperature is required to be equipped when the waste is incinerated. On the other hand, besides dioxin, the waste incinerator flue gas also contains high-concentration hydrogen chloride, and has strong corrosion effect on most materials including sampling equipment. Therefore, dioxin sampling devices are also required to simultaneously meet the performance requirements for corrosion protection at high temperatures. However, most of the existing sampling devices have insufficient high temperature resistance or corrosion resistance in garbage incinerators.
Therefore, development of a novel high-temperature smoke sampling gun for garbage incineration aiming at high Wen Er inches is needed.
Disclosure of Invention
The invention aims to provide a novel garbage incineration high-temperature flue gas sampling gun so as to solve the problems in the prior art.
The technical scheme adopted for achieving the purpose of the invention is that the novel garbage incineration high-temperature flue gas sampling gun comprises a flue gas sampling nozzle, a dust removal system, a cooling system and a protruding surface steel pipe flange cover.
The dust removing system comprises a flue gas sampling pipe, a reducing pipe joint I, a flue gas eduction pipe, a steel sleeve I and a high-temperature dust removing film.
The steel sleeve I is a cylinder body with a closed head end and an open tail end. The outside of the wall of the tail end opening of the steel sleeve I is provided with a protruding panel type flat welded steel pipe flange I. The head end of the steel sleeve I is provided with a hole from which the flue gas sampling tube extends.
The flue gas sampling tube, the reducing tube connector I and the flue gas eduction tube are arranged in the inner cavity of the steel sleeve I. And a smoke sampling nozzle is arranged after the first section of the smoke sampling tube extends out of the steel sleeve I. The air inlet of the reducing pipe joint I is communicated with the tail end of the smoke sampling pipe, and the air outlet is communicated with the head end of the smoke eduction pipe. The tail end of the flue gas sampling tube and the head end of the flue gas eduction tube are respectively provided with a high-temperature dust removal film. The pipe diameter of the flue gas eduction tube is smaller than that of the flue gas sampling tube.
The cooling system comprises a reducing pipe joint II, an air inlet pipe and a steel sleeve II.
The steel sleeve II is a cylinder with an open head end and a closed tail end. The outside of the wall of the opening of the head end of the steel sleeve II is provided with a protruding panel type flat welded steel pipe flange II. And a circulating water inlet and a circulating water outlet are arranged on the side wall of the steel sleeve II. The circulating water inlet and the circulating water outlet are communicated with a water tank, and a circulating water pump is arranged on a communicating pipeline to form water circulation.
The steel sleeve I and the steel sleeve II are coaxially arranged. The protruding surface steel pipe flange cover is embedded between the steel sleeve I and the steel sleeve II. The protruding surface steel pipe flange cover plugs the tail end opening of the steel sleeve I and the head end opening of the steel sleeve II. The protruding panel type flat welded steel pipe flange I and the protruding panel type flat welded steel pipe flange II are connected through equal-length studs. And after the equal-length double-end studs sequentially pass through the protruding panel type flat welded steel pipe flange I, the protruding surface steel pipe flange cover and the protruding panel type flat welded steel pipe flange II, the hexagonal nuts are screwed in at two ends.
The air inlet pipe comprises an air inlet section, a snake-shaped condensing section and an air outlet section which are communicated in sequence. The snakelike condensation section is arranged in the inner chamber of steel sleeve II. The protruding surface steel pipe flange cover is provided with a hole for the air inlet section to pass through. The air inlet section penetrates through the protruding surface steel pipe flange cover and then stretches into the inner cavity of the steel sleeve I. The tail end of the steel sleeve II is provided with a hole for the air outlet section to extend out. And the air outlet section extends out of the steel sleeve II and is communicated with the smoke analyzer.
The reducer union II is arranged in the inner cavity of the steel sleeve I. The air inlet of the reducing pipe joint II is communicated with the tail end of the smoke outlet pipe of the sampling gun, and the air outlet is communicated with the air inlet section of the air inlet pipe.
Further, a nonmetal flat gasket for the protruding surface pipe flange is arranged between the protruding surface plate type flat welded steel pipe flange I and the protruding surface steel pipe flange cover and between the protruding surface plate type flat welded steel pipe flange cover and the protruding surface plate type flat welded steel pipe flange II.
Further, the flue gas sampling pipe, the reducing pipe joint I, the flue gas eduction pipe, the reducing pipe joint II and the air inlet pipe are made of hastelloy C22.
Further, the circulating water inlet is positioned below the circulating water outlet.
Further, the high-temperature dust removal film is made of a ceramic film.
Further, the steel sleeve I can be split into a plurality of sections. The two adjacent sections are connected in a flange connection mode.
Further, the smoke sampling nozzle is an arc-shaped sampling nozzle; the smoke inlet of the smoke sampling nozzle is opposite to the smoke incoming flow direction.
The technical effects of the invention are undoubted: the device has simple structure, can sample at high temperature and cool rapidly, and has extremely strong high-temperature corrosion resistance. The dust removing part and the cooling part are directly combined with the sampling gun, so that the structure is simple and convenient, and the manufacturing cost is greatly reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a sampling gun;
FIG. 2 is a schematic diagram of a dust removal system;
FIG. 3 is a schematic view of a cooling section;
Fig. 4 is a schematic view of the structure of the air inlet pipe.
In the figure: the flue gas sampling tube 1, a reducing tube joint I2, a flue gas eduction tube 3, a steel sleeve I8, a protruding panel type flat welded steel tube flange I801, a steel sleeve II 80, a protruding panel type flat welded steel tube flange II 8001, a circulating water inlet 8002, a circulating water outlet 8003, a high-temperature dust removal film 9, a reducing tube joint II 10, an air inlet tube 11, an air inlet section 1101, a serpentine condensing section 1102, an air outlet section 1103, an equal-length double-end stud 12, a hexagonal nut 13 and a protruding panel steel tube flange cover 15.
Detailed Description
The present invention is further described below with reference to examples, but it should not be construed that the scope of the above subject matter of the present invention is limited to the following examples. Various substitutions and alterations are made according to the ordinary skill and familiar means of the art without departing from the technical spirit of the invention, and all such substitutions and alterations are intended to be included in the scope of the invention.
Example 1:
Referring to fig. 1, the embodiment provides a novel high-temperature flue gas sampling gun for garbage incineration, which comprises a flue gas sampling nozzle, a dust removal system, a cooling system and a protruding surface steel pipe flange cover 15.
Referring to fig. 2, the dust removing system comprises a flue gas sampling pipe 1, a reducing pipe joint I2, a flue gas eduction pipe 3, a steel sleeve I8 and a high-temperature dust removing film 9.
The steel sleeve I8 is a cylinder with a closed head end and an open tail end. The outside of the wall of the tail end opening of the steel sleeve I8 is provided with a protruding panel type flat welded steel pipe flange I801. The head end of the steel sleeve I8 is provided with a hole extending out of the flue gas sampling tube 1 on the closed cylinder bottom.
The flue gas sampling tube 1, the reducing tube connector I2 and the flue gas eduction tube 3 are arranged in the inner cavity of the steel sleeve I8. The first section of the flue gas sampling tube 1 stretches out the steel sleeve I8 and then is provided with a flue gas sampling nozzle. The air inlet of the reducing pipe joint I2 is communicated with the tail end of the smoke sampling pipe 1, and the air outlet is communicated with the head end of the smoke eduction pipe 3. The tail end of the flue gas sampling tube 1 and the head end of the flue gas eduction tube 3 are respectively provided with a high-temperature dust removal film 9. The pipe diameter of the flue gas eduction tube 3 is smaller than the pipe diameter of the flue gas sampling tube 1. The flue gas enters the part from the flue gas sampling pipe 1, most dust is filtered after the flue gas flows through the high-temperature dust removal film 9, and the dust is deposited at the bottom due to the abrupt change of the pipe diameter at the flue gas eduction pipe 3. In order to be convenient for replace high temperature dust removal membrane and in time clear up the dust, the flue gas sampling tube 1 and the flue gas extraction tube 3 of this part design be detachable threaded connection. In addition, the steel sleeve I8 plays a role in fixing and protecting the internal device.
Referring to fig. 3, the cooling system includes a reducing pipe joint ii 10, an intake pipe 11, and a steel sleeve ii 80.
The steel sleeve II 80 is a cylinder with an open head end and a closed tail end. The outside of the wall of the opening of the head end of the steel sleeve II 80 is provided with a protruding panel type flat welded steel pipe flange II 8001. The side wall of the steel sleeve II 80 is provided with a circulating water inlet 8002 and a circulating water outlet 8003. The circulating water inlet 8002 and the circulating water outlet 8003 are communicated with a water tank, and a circulating water pump is arranged on a communicating pipeline to form water circulation.
The steel sleeve I8 and the steel sleeve II 80 are coaxially arranged. The protruding steel pipe flange cover 15 is embedded between the steel sleeve I8 and the steel sleeve II 80. The protruding surface steel pipe flange cover 15 seals the tail end opening of the steel sleeve I8 and the head end opening of the steel sleeve II 80. The projected panel type flat welded steel pipe flange I801 and the projected panel type flat welded steel pipe flange II 8001 are connected by an equal length stud 12. After the equal-length studs 12 sequentially pass through the protruding panel type flat welded steel pipe flange I801, the protruding surface steel pipe flange cover 15 and the protruding panel type flat welded steel pipe flange II 8001, the hexagonal nuts 13 are screwed in at two ends.
Referring to fig. 4, the air inlet pipe 11 includes an air inlet section 1101, a serpentine condensing section 1102 and an air outlet section 1103 which are sequentially communicated. The serpentine condensing segment 1102 is disposed within the interior cavity of the steel sleeve ii 80. The protruding surface steel pipe flange cover 15 is provided with a hole for the air inlet section 1101 to pass through. The intake section 1101 extends through the projecting steel flange 15 and into the interior of the steel sleeve i 8. The tail end of the steel sleeve II 80 is provided with a hole for the air outlet section 1103 to extend out. The air outlet section 1103 is communicated with the flue gas analyzer after extending into the steel sleeve II 80.
The reducer union II 10 is arranged in the inner cavity of the steel sleeve I8. The air inlet of the reducing pipe joint II 10 is communicated with the tail end of the smoke outlet pipe 3 of the sampling gun, and the air outlet is communicated with the air inlet section 1101 of the air inlet pipe 11.
The flue gas flows into the dust removing part through the sampling nozzle, and most of dust can be removed through the arrangement of the mutation of the pipe diameters of the flue gas sampling pipe 1 and the flue gas eduction pipe 3 and the high-temperature dust removing film 9. And the dust removing part adopts a detachable structure, so that dust deposited at the bottom can be cleaned in time. After the flue gas flows into the serpentine condensing section 1102 of the cooling part after passing through the dust removing part, the gas is subjected to circulating water cooling, and the flue gas and the circulating water are subjected to heat exchange so as to quickly cool the flue gas. The embodiment can remove dust and cool high-temperature flue gas while sampling.
It is worth to say that sampling nozzle and dust pelletizing system put into the flue through the sampling hole in the sampling process, and guarantee the sampling effect according to the standard when sampling, keep sampling nozzle in flue intermediate position. In specific use, the proper suction force of the suction pump can be selected according to the pressure required by sampling. Under the action of external suction force, the flue gas enters the flue gas sampling gun from the sampling nozzle.
Example 2:
the main structure of this embodiment is the same as that of embodiment 1, wherein a non-metal flat gasket 17 for a protruding surface pipe flange is disposed between the protruding surface plate type flat welded steel pipe flange i 801 and the protruding surface steel pipe flange cover 15, and between the protruding surface steel pipe flange cover 15 and the protruding surface plate type flat welded steel pipe flange ii 8001.
Example 3:
the main structure of this embodiment is the same as that of embodiment 1, wherein, the materials of the flue gas sampling tube 1, the reducing tube joint I2, the flue gas eduction tube 3, the reducing tube joint II 10 and the air inlet tube 11 adopt hastelloy C22.
Example 4:
the main structure of this embodiment is the same as that of embodiment 1, wherein the circulating water inlet 8002 is located below the circulating water outlet 8003.
Example 5:
the main structure of this embodiment is the same as that of embodiment 1, wherein the high-temperature dust removing film 9 is made of ceramic film.
Example 6:
The main structure of this embodiment is the same as that of embodiment 1, wherein the steel sleeve i 8 is detachable into two sections. The two adjacent sections are connected in a flange connection mode.
Example 7:
The main structure of this embodiment is the same as that of embodiment 1, wherein the smoke sampling nozzle is an arc-shaped sampling nozzle. The smoke inlet of the smoke sampling nozzle is opposite to the smoke incoming flow direction.
Claims (7)
1. Novel msw incineration high temperature flue gas sampling rifle, its characterized in that: comprises a flue gas sampling nozzle, a dust removal system, a cooling system and a protruding surface steel pipe flange cover (15);
The dust removing system comprises a flue gas sampling pipe (1), a reducing pipe joint I (2), a flue gas eduction pipe (3), a steel sleeve I (8) and a high-temperature dust removing film (9);
The steel sleeve I (8) is a cylinder with a closed head end and an open tail end; the outer side of the cylinder wall at the tail end opening of the steel sleeve I (8) is provided with a protruding panel type flat welded steel pipe flange I (801); the head end of the steel sleeve I (8) is provided with a hole extending out of the flue gas sampling tube (1) at the bottom of the closed cylinder;
the flue gas sampling tube (1), the reducing tube connector I (2) and the flue gas eduction tube (3) are arranged in the inner cavity of the steel sleeve I (8); the first section of the flue gas sampling tube (1) extends out of the steel sleeve I (8) and is provided with a flue gas sampling nozzle; the air inlet of the reducing pipe joint I (2) is communicated with the tail end of the flue gas sampling pipe (1), and the air outlet is communicated with the head end of the flue gas eduction pipe (3); the tail end of the flue gas sampling tube (1) and the head end of the flue gas eduction tube (3) are respectively provided with a high-temperature dust removal film (9); the pipe diameter of the flue gas eduction tube (3) is smaller than the pipe diameter of the flue gas sampling tube (1);
The cooling system comprises a reducing pipe joint II (10), an air inlet pipe (11) and a steel sleeve II (80);
The steel sleeve II (80) is a cylinder with an open head end and a closed tail end; a protruding panel type flat welded steel pipe flange II (8001) is arranged on the outer side of the cylinder wall of the opening of the head end of the steel sleeve II (80); a circulating water inlet (8002) and a circulating water outlet (8003) are arranged on the side wall of the steel sleeve II (80); the circulating water inlet (8002) and the circulating water outlet (8003) are communicated with a water tank, and a circulating water pump is arranged on a communicating pipeline to form water circulation;
The steel sleeve I (8) and the steel sleeve II (80) are coaxially arranged; the protruding surface steel pipe flange cover (15) is embedded between the steel sleeve I (8) and the steel sleeve II (80); the protruding surface steel pipe flange cover (15) seals the tail end opening of the steel sleeve I (8) and the head end opening of the steel sleeve II (80); the protruding panel type flat welded steel pipe flange I (801) and the protruding panel type flat welded steel pipe flange II (8001) are connected through an equal-length double-end stud (12); the equal-length double-end stud (12) sequentially passes through a protruding panel type flat welded steel pipe flange I (801), a protruding surface steel pipe flange cover (15) and a protruding panel type flat welded steel pipe flange II (8001), and then two ends are screwed into hexagonal nuts (13);
The air inlet pipe (11) comprises an air inlet section (1101), a serpentine condensing section (1102) and an air outlet section (1103) which are sequentially communicated; the serpentine condensing section (1102) is arranged in the inner cavity of the steel sleeve II (80); holes for the air inlet section (1101) to pass through are formed in the protruding surface steel pipe flange cover (15); the air inlet section (1101) penetrates through the protruding surface steel pipe flange cover (15) and then stretches into the inner cavity of the steel sleeve I (8); the tail end of the steel sleeve II (80) is provided with a hole from which the air outlet section (1103) extends; the air outlet section (1103) extends out of the steel sleeve II (80) and is communicated with the flue gas analyzer;
The reducing pipe joint II (10) is arranged in the inner cavity of the steel sleeve I (8); the air inlet of the reducing pipe joint II (10) is communicated with the tail end of the smoke eduction pipe (3) of the sampling gun, and the air outlet is communicated with the air inlet section (1101) of the air inlet pipe (11).
2. The novel garbage incineration high-temperature flue gas sampling gun according to claim 1, wherein: nonmetal flat gaskets (17) for the protruding surface pipe flange are arranged between the protruding surface plate type flat welded steel pipe flange I (801) and the protruding surface steel pipe flange cover (15) and between the protruding surface steel pipe flange cover (15) and the protruding surface plate type flat welded steel pipe flange II (8001).
3. A novel garbage incineration high temperature flue gas sampling gun according to claim 1 or 2, characterized in that: the flue gas sampling tube (1), the reducing tube connector I (2), the flue gas eduction tube (3), the reducing tube connector II (10) and the air inlet tube (11) are made of hastelloy C22.
4. The novel garbage incineration high-temperature flue gas sampling gun according to claim 1, wherein: the circulating water inlet (8002) is positioned below the circulating water outlet (8003).
5. The novel garbage incineration high-temperature flue gas sampling gun according to claim 1, wherein: the high-temperature dust removal film (9) is made of a ceramic film.
6. The novel garbage incineration high-temperature flue gas sampling gun according to claim 1, wherein: the steel sleeve I (8) can be split into a plurality of sections; the two adjacent sections are connected in a flange connection mode.
7. A novel garbage incineration high temperature flue gas sampling gun according to claim 1 or 2, characterized in that: the smoke sampling nozzle is an arc-shaped sampling nozzle; the smoke inlet of the smoke sampling nozzle is opposite to the smoke incoming flow direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110002960.1A CN112798365B (en) | 2021-01-04 | 2021-01-04 | Novel garbage incineration high-temperature flue gas sampling gun |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110002960.1A CN112798365B (en) | 2021-01-04 | 2021-01-04 | Novel garbage incineration high-temperature flue gas sampling gun |
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| CN112798365A CN112798365A (en) | 2021-05-14 |
| CN112798365B true CN112798365B (en) | 2024-05-03 |
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