CN112798365A - Novel waste incineration high temperature flue gas sampling gun - Google Patents
Novel waste incineration high temperature flue gas sampling gun Download PDFInfo
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- CN112798365A CN112798365A CN202110002960.1A CN202110002960A CN112798365A CN 112798365 A CN112798365 A CN 112798365A CN 202110002960 A CN202110002960 A CN 202110002960A CN 112798365 A CN112798365 A CN 112798365A
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- 238000005070 sampling Methods 0.000 title claims abstract description 83
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 239000003546 flue gas Substances 0.000 title claims abstract description 78
- 238000004056 waste incineration Methods 0.000 title claims description 9
- 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 14
- 239000012528 membrane Substances 0.000 claims abstract description 8
- 239000000779 smoke Substances 0.000 claims description 27
- 238000003466 welding Methods 0.000 claims description 23
- 238000009833 condensation Methods 0.000 claims description 7
- 230000005494 condensation Effects 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 5
- 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 4
- 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
- 230000008859 change Effects 0.000 abstract description 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
- 238000010276 construction Methods 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 8
- 230000000694 effects Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000463 material Substances 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
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 238000005516 engineering process Methods 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
- 238000000034 method Methods 0.000 description 1
- 230000035772 mutation 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
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009967 tasteless effect Effects 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
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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
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- 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 includes an arc-shaped sampling nozzle, a dust removing portion, and a cooling portion. The flue gas flows into the dust removal part by arc sample nozzle, and most dust can be detached to the sudden change of pipe diameter and high temperature dust removal membrane wherein to the dust removal part adopts detachable construction, is convenient for in time clear up the dust of deposit in the bottom. The flue gas flows into the serpentine circuit of the cooling part after passing through the dust removing part, and then the flue gas is subjected to circulating water cooling in the steel pipe at the outer end of the cooling part, so that the flue gas and circulating water are subjected to heat exchange to rapidly cool the flue gas. The sampling gun has a simple structure, can realize high-temperature sampling, has strong chlorine corrosion resistance at high temperature, and has complete functions and high economic benefit.
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, tasteless and seriously toxic fat-soluble substance, can cause canceration and gene mutation of human or animal body cells, and is a persistent organic pollutant which seriously harms the living environment of human beings. Dioxin is mainly generated by burning municipal domestic waste, and even the most advanced equipment and burning technology at present are adopted, the generation of the dioxin cannot be avoided. Therefore, toxic substances such as dioxin in the waste incinerator must be treated before the waste gas is discharged, and thus a high-temperature-resistant dioxin sampling device is required to be arranged when the waste is incinerated. On the other hand, besides dioxin, the flue gas of the waste incinerator also contains hydrogen chloride with higher concentration, and has strong corrosion effect on most materials including sampling equipment. Therefore, dioxin sampling equipment also needs to meet the performance requirement of corrosion resistance at high temperature. However, most of the existing sampling devices have insufficient high temperature resistance or corrosion resistance in the garbage incinerator.
Therefore, it is needed to develop a new sampling gun for high temperature flue gas generated by burning garbage, which is specific to high temperature dioxin.
Disclosure of Invention
The invention aims to provide a novel garbage incineration high-temperature flue gas sampling gun to solve the problems in the prior art.
The technical scheme adopted for achieving the aim of the invention is that the novel waste incineration high-temperature flue gas sampling gun comprises a flue gas sampling nozzle, a dust removal system, a cooling system and a convex steel pipe flange cover.
The dust removal system comprises a flue gas sampling tube, a reducing pipe joint I, a flue gas leading-out pipe, a steel sleeve I and a high-temperature dust removal film.
The steel sleeve I is a barrel with a closed head end and an open tail end. And a protruding panel type flat welding steel pipe flange I is arranged on the outer side of the cylinder wall of the tail end opening of the steel sleeve I. And a hole extending out of the flue gas sampling tube is formed in the closed cylinder bottom at the head end of the steel sleeve I.
The smoke sampling pipe, the reducing pipe joint I and the smoke eduction pipe are arranged in an inner cavity of the steel sleeve I. A first section of the flue gas sampling tube extends out of the steel sleeve I and then is provided with a flue gas sampling nozzle. The air inlet of the reducing pipe joint I is communicated with the tail end of the smoke sampling pipe, and the air outlet of the reducing pipe joint I is communicated with the head end of the smoke leading-out pipe. And high-temperature dust removal films are respectively arranged at the tail end of the flue gas sampling tube and the head end of the flue gas leading-out tube. 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. And a protruding panel type flat welding steel pipe flange II is arranged on the outer side of the cylinder wall at the opening at the head end of the steel sleeve II. And a circulating water inlet and a circulating water outlet are formed in 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 the communicating pipeline to form water circulation.
The steel sleeve I and the steel sleeve II are coaxially arranged. And the convex steel pipe flange cover is embedded between the steel sleeve I and the steel sleeve II. The flange cover of the convex steel pipe 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 welding steel pipe flange I and the protruding panel type flat welding steel pipe flange II are connected through equal-length double-end studs. And the equal-length stud sequentially penetrates through the protruding face plate type flat welding steel pipe flange I, the protruding face steel pipe flange cover and the protruding face plate type flat welding steel pipe flange II, and then the two ends of the stud are screwed into the hexagon nuts.
The intake pipe is including the section of admitting air, snakelike condensation segment and the section of giving vent to anger of UNICOM in proper order. The snakelike condensation section is arranged in the inner cavity of the steel sleeve II. And the flange cover of the convex steel pipe is provided with a hole for the air inlet section to pass through. The air inlet section penetrates through the flange cover of the steel pipe with the protruded surface and then extends into the inner cavity of the steel sleeve I. And a hole for the air outlet section to extend out is formed in the tail end closed cylinder bottom of the steel sleeve II. And the air outlet section extends out of the steel sleeve II and then is communicated with a flue gas analyzer.
The reducing pipe joint II is arranged in the inner cavity of the steel sleeve I. And the air inlet of the reducing pipe joint II is communicated with the tail end of a smoke outlet pipe of the sampling gun, and the air outlet is communicated with the air inlet section of the air inlet pipe.
Further, nonmetal plain gaskets for the flange of the protruding face pipe are arranged between the flange I of the protruding face plate type flat welding steel pipe and the flange cover of the protruding face steel pipe, and between the flange cover of the protruding face steel pipe and the flange II of the protruding face plate type flat welding steel pipe.
Furthermore, the smoke sampling pipe, the reducing pipe joint I, the smoke leading-out 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 membrane is made of a ceramic membrane.
Further, steel sleeve I can split into a plurality of sections. The adjacent two sections are connected by adopting a flange connection mode.
Further, the flue gas sampling nozzle is an arc-shaped sampling nozzle; and 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 quickly, and has extremely strong high-temperature corrosion resistance. The dust removal part and the cooling part are directly combined with the sampling gun, the structure is simple and convenient, and the manufacturing cost is greatly reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of a sampling gun;
FIG. 2 is a schematic view of a dust removal system;
FIG. 3 is a schematic view of a cooling portion;
fig. 4 is a schematic view of the structure of the intake pipe.
In the figure: flue gas sampling tube 1, reducing coupling I2, flue gas outlet pipe 3, steel sleeve I8, protruding panel formula open-faced welded steel pipe flange I801, steel sleeve II 80, protruding panel formula open-faced welded steel pipe flange II 8001, circulating water inlet 8002, circulating water outlet 8003, high temperature dust removal membrane 9, reducing coupling II 10, intake pipe 11, section 1101 that admits air, snakelike condensation segment 1102, the section 1103 of giving vent to anger, isometric stud 12, hexagon nut 13, protruding face steel pipe flange lid 15.
Detailed Description
The present invention is further illustrated by the following examples, but it should not be construed that the scope of the above-described subject matter is limited to the following examples. Various substitutions and alterations can be made without departing from the technical idea of the invention and the scope of the invention is covered by the present invention according to the common technical knowledge and the conventional means in the field.
Example 1:
referring to fig. 1, the embodiment provides a novel msw incineration high temperature flue gas sampling rifle, including flue gas sampling mouth, dust pelletizing system, cooling system and abrupt face steel pipe blind flange 15.
Referring to fig. 2, the dust removal system comprises a flue gas sampling tube 1, a reducing pipe joint I2, a flue gas leading-out pipe 3, a steel sleeve I8 and a high-temperature dust removal film 9.
Steel sleeve I8 is the head end and seals, the open barrel of tail end. And a protruding panel type flat welding steel pipe flange I801 is arranged on the outer side of the cylinder wall at the opening at the tail end of the steel sleeve I8. And a hole extending out of the flue gas sampling tube 1 is formed in the closed cylinder bottom at the head end of the steel sleeve I8.
The flue gas sampling tube 1, the reducing pipe joint I2 and the flue gas eduction tube 3 are arranged in an inner cavity of the steel sleeve I8. A first section of the flue gas sampling tube 1 extends out of 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 flue gas sampling pipe 1, and the air outlet is communicated with the head end of the flue gas leading-out pipe 3. And the tail end of the flue gas sampling tube 1 and the head end of the flue gas leading-out 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 that of the flue gas sampling tube 1. The flue gas enters the part from the flue gas sampling tube 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 by the pipe diameter mutation part at the flue gas outlet pipe 3. In order to replace the high-temperature dust removal film and clean dust in time, the flue gas sampling tube 1 and the flue gas leading-out tube 3 of the part are designed into detachable threaded connection. In addition, steel sleeve I8 plays the fixed effect of protecting interior device.
Referring to fig. 3, the cooling system comprises a reducer union ii 10, an air inlet pipe 11 and a steel sleeve ii 80.
The steel sleeve II 80 is a cylinder body with an open head end and a closed tail end. And a protruding panel type flat welding steel pipe flange II 8001 is arranged on the outer side of the cylinder wall at the opening at the head end of the steel sleeve II 80. And a circulating water inlet 8002 and a circulating water outlet 8003 are formed in the side wall of the steel sleeve II 80. And 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 convex steel pipe flange cover 15 is embedded between the steel sleeve I8 and the steel sleeve II 80. The protruding face steel pipe flange cover 15 blocks the tail end opening of the steel sleeve I8 and the head end opening of the steel sleeve II 80. The protruding face plate type flat welding steel pipe flange I801 and the protruding face plate type flat welding steel pipe flange II 8001 are connected through equal-length studs 12. The equal-length stud 12 penetrates through the protruding face plate type flat welding steel pipe flange I801, the protruding face steel pipe flange cover 15 and the protruding face plate type flat welding steel pipe flange II 8001 in sequence, and then the two ends of the equal-length stud are screwed into the hexagon nuts 13.
Referring to fig. 4, the air inlet pipe 11 includes an air inlet section 1101, a serpentine condensation section 1102 and an air outlet section 1103 which are communicated in sequence. The serpentine condenser section 1102 is arranged in the inner cavity of the steel sleeve II 80. The flange cover 15 of the steel pipe with the convex surface is provided with a hole for the air inlet section 1101 to pass through. The air inlet section 1101 penetrates through the flange cover 15 of the convex steel pipe and then extends into the inner cavity of the steel sleeve I8. And a hole for the air outlet section 1103 to extend out is formed in the tail end closed cylinder bottom of the steel sleeve II 80. And the gas outlet section 1103 is communicated with a flue gas analyzer after extending out of the steel sleeve II 80.
The reducing pipe joint 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 removal part through the sampling nozzle, and most dust can be removed through the sudden change of the pipe diameters of the flue gas sampling pipe 1 and the flue gas leading-out pipe 3 and the arrangement of the high-temperature dust removal film 9. And the dust removal part adopts a detachable structure, so that dust deposited at the bottom can be cleaned conveniently and timely. After the flue gas flows into the serpentine condensation section 1102 of the cooling part after passing through the dust removal part, the gas is subjected to circulating water cooling, and the flue gas and circulating water are subjected to heat exchange to rapidly cool the flue gas. The embodiment can remove dust and cool the high-temperature flue gas while sampling.
It is worth explaining that, the sampling nozzle and the dust removal system are put into the flue through the sampling hole in the sampling process, and the sampling effect is ensured according to the standard during sampling, and the sampling nozzle is kept in the middle of the flue. In specific use, the proper suction power of the suction pump can be selected according to the pressure required by sampling. Under the action of external suction force, the smoke enters the smoke sampling gun from the sampling nozzle.
Example 2:
the main structure of this embodiment is the same as that of embodiment 1, wherein non-metal flat gaskets 17 for the flange of the protruding face pipe are arranged between the flange i 801 of the protruding face plate type flat welded steel pipe and the flange cover 15 of the protruding face steel pipe, and between the flange cover 15 of the protruding face steel pipe and the flange ii 8001 of the protruding face plate type flat welded steel pipe.
Example 3:
the main structure of this embodiment is the same as that of embodiment 1, wherein the materials of the flue gas sampling pipe 1, the reducing pipe joint i 2, the flue gas lead-out pipe 3, the reducing pipe joint ii 10 and the air inlet pipe 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 removal membrane 9 is made of a ceramic membrane.
Example 6:
the main structure of the present embodiment is the same as that of embodiment 1, wherein the steel sleeve i 8 can be split into two sections. The adjacent two sections are connected by adopting a flange connection mode.
Example 7:
the main structure of the embodiment is the same as that of embodiment 1, wherein the flue gas sampling nozzle is an arc-shaped sampling nozzle. And the smoke inlet of the smoke sampling nozzle is opposite to the smoke incoming flow direction.
Claims (7)
1. The utility model provides a novel msw incineration high temperature flue gas sampling gun which characterized in that: comprises a flue gas sampling nozzle, a dust removal system, a cooling system and a convex steel pipe flange cover (15);
the dust removal system comprises a flue gas sampling tube (1), a reducing pipe joint I (2), a flue gas leading-out tube (3), a steel sleeve I (8) and a high-temperature dust removal film (9);
the steel sleeve I (8) is a cylinder body with a closed head end and an open tail end; a protruding panel type flat welding steel pipe flange I (801) is arranged on the outer side of the cylinder wall of the open end of the tail end of the steel sleeve I (8); a hole extending out of the flue gas sampling tube (1) is formed in the closed cylinder bottom at the head end of the steel sleeve I (8);
the smoke sampling pipe (1), the reducing pipe joint I (2) and the smoke outlet pipe (3) are arranged in an inner cavity of the steel sleeve I (8); a first section of the flue gas sampling tube (1) extends out of the steel sleeve I (8) and then is provided with a flue gas sampling nozzle; the gas inlet of the reducing pipe joint I (2) is communicated with the tail end of the flue gas sampling pipe (1), and the gas outlet is communicated with the head end of the flue gas outlet pipe (3); the tail end of the flue gas sampling tube (1) and the head end of the flue gas leading-out tube (3) are respectively provided with a high-temperature dust removal film (9); the pipe diameter of the smoke outlet pipe (3) is smaller than that of the smoke sampling pipe (1);
the cooling system comprises a reducing pipe joint II (10), the air inlet pipe (11) and a steel sleeve II (80);
the steel sleeve II (80) is a cylinder body with an open head end and a closed tail end; and a protruding panel type flat welding steel pipe flange II (8001) is arranged on the outer side of the cylinder wall at the opening at the head end of the steel sleeve II (80). A circulating water inlet (8002) and a circulating water outlet (8003) are formed in 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 the communicating pipeline to form water circulation;
the steel sleeve I (8) and the steel sleeve II (80) are coaxially arranged; the convex surface steel pipe flange cover (15) is embedded between the steel sleeve I (8) and the steel sleeve II (80); the flange cover (15) of the convex steel pipe plugs the tail end opening of the steel sleeve I (8) and the head end opening of the steel sleeve II (80); the convex panel type flat welding steel pipe flange I (801) and the convex panel type flat welding steel pipe flange II (8001) are connected through equal-length double-end studs (12); the equal-length stud (12) penetrates through the protruding face plate type flat welding steel pipe flange I (801), the protruding face steel pipe flange cover (15) and the protruding face plate type flat welding steel pipe flange II (8001) in sequence, and then the two ends of the equal-length stud are screwed into the hexagon nuts (13);
the air inlet pipe (11) comprises an air inlet section (1101), a snake-shaped condensation section (1102) and an air outlet section (1103) which are communicated in sequence; the serpentine condensation section (1102) is arranged in the inner cavity of the steel sleeve II (80); a hole for the air inlet section (1101) to pass through is formed in the convex steel pipe flange cover (15); the air inlet section (1101) penetrates through the flange cover (15) of the convex steel pipe and then extends into the inner cavity of the steel sleeve I (8); a hole for the air outlet section (1103) to extend out is formed in the tail end closed cylinder bottom of the steel sleeve II (80); the gas outlet section (1103) extends out of the steel sleeve II (80) and then is communicated with a 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 a smoke outlet pipe (3) of the sampling gun, and the air outlet is communicated with an air inlet section (1101) of an air inlet pipe (11).
2. The novel waste incineration high-temperature flue gas sampling gun as claimed in claim 1, wherein: and non-metal flat gaskets (17) for the flange of the protruding face pipe are arranged between the flange I (801) of the protruding face plate type flat welding steel pipe and the flange cover (15) of the protruding face steel pipe, and between the flange cover (15) of the protruding face plate type flat welding steel pipe and the flange II (8001) of the protruding face plate type flat welding steel pipe.
3. The novel waste incineration high-temperature flue gas sampling gun as claimed in claim 1 or 2, wherein: the smoke sampling pipe (1), the reducing pipe joint I (2), the smoke eduction pipe (3), the reducing pipe joint II (10) and the air inlet pipe (11) are made of Hastelloy C22.
4. The novel waste incineration high-temperature flue gas sampling gun as claimed in claim 1, wherein: the circulating water inlet (8002) is located below the circulating water outlet (8003).
5. The novel waste incineration high-temperature flue gas sampling gun as claimed in claim 1, wherein: the high-temperature dust removal membrane (9) is made of a ceramic membrane.
6. The novel waste incineration high-temperature flue gas sampling gun as claimed in claim 1, wherein: the steel sleeve I (8) can be split into a plurality of sections; the adjacent two sections are connected by adopting a flange connection mode.
7. The novel waste incineration high-temperature flue gas sampling gun as claimed in claim 1 or 3, wherein: the smoke sampling nozzle is an arc-shaped sampling nozzle; and 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 |
Applications Claiming Priority (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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| CN112798365A true CN112798365A (en) | 2021-05-14 |
| CN112798365B CN112798365B (en) | 2024-05-03 |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1505527A (en) * | 1974-05-21 | 1978-03-30 | Snam Progetti | Smoke density measuring apparatus |
| WO1995028628A1 (en) * | 1994-04-18 | 1995-10-26 | Mefos, Stiftelsen För Metallurgisk Forskning | A gas sampling probe |
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