CN113465997A - Rotary multifunctional flue gas sampling gun - Google Patents
Rotary multifunctional flue gas sampling gun Download PDFInfo
- Publication number
- CN113465997A CN113465997A CN202110828360.0A CN202110828360A CN113465997A CN 113465997 A CN113465997 A CN 113465997A CN 202110828360 A CN202110828360 A CN 202110828360A CN 113465997 A CN113465997 A CN 113465997A
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- sampling
- flue gas
- sampling gun
- gun
- pipe section
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Links
- 238000005070 sampling Methods 0.000 title claims abstract description 180
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 239000003546 flue gas Substances 0.000 title claims abstract description 35
- 239000007787 solid Substances 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 239000010883 coal ash Substances 0.000 claims description 2
- 239000011280 coal tar Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims 1
- 239000000779 smoke Substances 0.000 abstract description 6
- 239000013618 particulate matter Substances 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000010008 shearing Methods 0.000 description 4
- 238000009530 blood pressure measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
Images
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/021—Sealings between relatively-stationary surfaces with elastic packing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
-
- 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
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Pathology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a rotary multifunctional flue gas sampling gun, which belongs to the technical field of flue gas sampling. In addition, the inner pipe section and the outer pipe section adopt a conical design, and the conical degree can be adjusted within the range of 0-30 degrees, so that the sampling of solid particles is facilitated. The smoke sampling gun has the advantages of convenience in operation, high sampling efficiency, capability of reducing space use, high operation safety, less interference on equipment operation, good particulate matter collecting effect and the like, and can be suitable for more sampling scenes.
Description
Technical Field
The invention relates to the technical field of flue gas sampling, in particular to a rotary multifunctional flue gas sampling gun.
Background
The smoke components are not only one of main indexes for reflecting the combustion effect of the large coal-fired power plant boiler, but also important parameters for analyzing faults such as air leakage and the like of important equipment such as an air preheater, a dust remover and the like. Therefore, sampling and detecting are needed to be carried out on the combustion process of the boiler or the exhausted smoke so as to supervise the combustion condition of the boiler and ensure the thermal efficiency of the boiler and the sealing level of equipment. When the research on the thermochemical processes (such as combustion, pyrolysis, gasification and the like) of fuels such as pulverized coal, biomass, gas and fuel oil is carried out, the sampling analysis of smoke and particles in the reaction process is also an essential part.
When sampling combustion components, due to the limitations of industrial equipment or experimental equipment in terms of size, space, tightness and the like, the conventional sampling gun faces a lot of problems in use, so that the conventional sampling gun cannot be applied or is inconvenient to use in many scenes, for example, when the conventional sampling gun needs to sample at different positions of the equipment, the conventional sampling gun can only be realized by moving the position of the sampling gun, but if the peripheral area of a sampling hole is narrow, enough space cannot be provided for carrying out such operation; when the equipment runs at high temperature, the sampling gun passes through the shell of the equipment to move inside and outside, the sealing property of the sampling hole is easy to damage, the normal running of the equipment is influenced, and the area of the sampling hole and the high-temperature part of the sampling gun are dangerous to operators, so that the sampling gun becomes an unsafe factor; the moving position of the sampling gun needs to be repositioned every time, so that the operation is complex, the labor cost is increased, and the sampling efficiency is reduced; in addition, the sampling hole on traditional sampling gun is generally perpendicular to airflow direction arranges, and the particulate matter is difficult to effectively get into, is unfavorable for particulate matter sample's collection.
Disclosure of Invention
The invention provides a rotary multifunctional flue gas sampling gun, which aims to solve the problems that the operation size of the sampling gun is limited, the sampling operation is inconvenient, the efficiency is not high, the safety cannot be ensured, the collection of particulate matter samples is inconvenient and the like in the conventional detection equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a rotary multifunctional flue gas sampling gun comprising: pipeline section and sampling rifle outer tube section in the sampling rifle, be equipped with the sampling hole that a decurrent spiral of equidistance was arranged from last to down in proper order in the pipeline section in the sampling rifle, sampling rifle inner tube section lower extreme one side is provided with flue gas sampling hole, sampling rifle inner tube section lower extreme is provided with solid residue (coal ash, coal tar) sampling hole, sampling rifle inner tube section below is located flue gas sampling hole upside fixed mounting and is prevented scalding the handle, sampling rifle outer tube section is last to being equipped with a vertical decurrent sampling hole of equidistance down from last, sampling rifle outer tube section lower extreme movable mounting has high temperature resistant rubber buffer.
Preferably, the sampling holes in the equidistant spiral downward direction are matched with the sampling holes in the equidistant vertical downward direction for use, the installation distance between the sampling holes in the equidistant vertical downward direction and the sampling holes in the equidistant spiral downward direction is 50mm from top to bottom, and the interval angle between every two sampling holes in the equidistant spiral downward direction is 0-30 degrees.
Preferably, the inner wall of the inner pipe section of the sampling gun is coated with heat insulation materials.
Preferably, sampling rifle outer tube section is inside to be separated through the fin, both sides are fixed mounting respectively about sampling rifle outer tube section lower extreme have water-cooling to advance pipe and water-cooling exit tube.
Preferably, the diameters of the inner sampling gun pipe section and the outer sampling gun pipe section are linearly increased from top to bottom.
Preferably, the lower ends of the inner sampling gun pipe section and the outer sampling gun pipe section are provided with scales matched with equidistant spiral downward sampling holes and equidistant vertical downward sampling holes.
Preferably, the upper ends of the inner pipe section and the outer pipe section of the sampling gun are movably connected through a high-temperature bearing.
Compared with the prior art, the invention provides a rotary multifunctional flue gas sampling gun, which has the following beneficial effects:
1. the invention has the beneficial effects that: the flue gas sampling gun can be fixed at a sampled flue gas port, sampling holes at different positions can be obtained by rotating the inner pipe section to match with the outer pipe section of the sampling gun, so that measuring points at different positions can be met, the operation is convenient, the sampling efficiency is high, the operation safety is good, and the influence on the normal operation of equipment is small; in addition, the inner pipe section and the outer pipe section adopt a conical design, and the conical degree can be adjusted within the range of 0-30 degrees, so that the sampling of solid particles is facilitated; these advantages may be applicable to more sampling scenarios.
2. The high-temperature-resistant rubber plug fixed at the tail section of the flue gas sampling gun is combined with the flue measuring hole, so that the sampling gun can be fixed, and the high-temperature-resistant rubber plug plays a role in sealing, thereby preventing external air from being sucked and improving the measuring accuracy. The anti-scald handle is fixed at the tail section of the flue gas sampling gun, so that the flue gas sampling gun is convenient to grasp in the process of rotating the inner pipe, and unsafe factors are reduced. The tail section of the flue gas sampling gun can be connected with a back-blowing device, and the back-blowing device can regularly back-blow the sampling gun to prevent the sampling gun from being blocked.
Drawings
FIG. 1 is a perspective view of one embodiment of a rotary multi-functional flue gas sampling gun according to the present invention;
FIG. 2 is a perspective cutaway exploded view of one embodiment of a rotary multifunctional flue gas sampling gun in accordance with the present invention;
fig. 3 is a structural diagram of an inner pipe section of a practical rotary multifunctional flue gas sampling gun according to the present invention. Reference numerals:
101 sampling gun inner tube section, 102 sampling gun outer tube section, 103 spiral downward sampling hole, 104 sampling gun interface, 105 burn-proof handle, 106 vertical downward sampling hole, 107 high temperature resistant rubber plug, 108 fin, 109 water-cooled water inlet pipe, 110 water-cooled water outlet pipe, 111 solid residue interface, 112 high temperature bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
a rotary multifunctional flue gas sampling gun comprising: sampling rifle inner tube section 101 and sampling rifle outer tube section 102, be equipped with a decurrent spiral sampling hole of equidistance 103 from last to down in proper order in sampling rifle inner tube section 101, sampling rifle inner tube section 101 lower extreme one side is provided with flue gas sampling hole 104, sampling rifle inner tube section 101 lower extreme is provided with solid residue interface 111, sampling rifle inner tube section 101 below is located flue gas sampling hole 104 upside fixed mounting and is prevented scalding handle 105, sampling rifle outer tube section 102 is last to be equipped with a equidistance vertically sampling hole 106 from last to down, sampling rifle outer tube section 102 lower extreme movable mounting has high temperature resistant rubber buffer 107.
The spiral sampling holes 103 are matched with the sampling holes 106 for use, the mounting distance between the sampling holes 106 and the spiral sampling holes 103 is 50-100mm adjustable from top to bottom, and the spacing angle between every two spiral sampling holes 103 is 0-30 degrees.
The inner wall of the inner pipe section 101 of the sampling gun is coated with heat insulation materials.
The interior of the sampling gun outer tube section 102 is separated by fins 108, and the left side and the right side of the lower end of the sampling gun outer tube section 102 are respectively and fixedly provided with a water-cooling inlet 109 and a water-cooling outlet 110.
The diameters of the sampling gun inner pipe section 101 and the sampling gun outer pipe section 102 are linearly increased from top to bottom.
The lower ends of the sampling gun inner pipe section 101 and the sampling gun outer pipe section 102 are provided with scales matched with the spiral sampling hole 10 and the sampling hole 106.
The upper ends of the inner pipe section 101 and the outer pipe section 102 of the sampling gun are movably connected through a high-temperature bearing 112.
Example 2: based on example 1, but with the following differences:
referring to fig. 1-3, a rotary multifunctional flue gas sampling gun comprises a balance base 101, a middle measurement shell 102 and an upper worm gear drive shell 103, wherein a fixed platform 104 is fixedly installed at the bottom below the balance base 101, a balance sleeve 105 is fixedly installed on the fixed platform 104, a lower shearing tool bit 106 is installed in the balance sleeve 105, the upper end of the lower shearing tool bit 106 extends into the middle measurement shell 102, three groups of fixed bases 104 are movably installed on the outer side surface of the balance base 101, the middle part of the inner side surface of each fixed base 104 is movably connected with an upper pulling force drive mechanism, and an upper pulling force drive mechanism is fixedly installed in the balance base 101;
the upper end of the uplift force driving mechanism is fixedly connected with the lower surface of the middle measurement shell 102, a pressure measurement device is fixedly installed inside the middle measurement shell 102, the upper end of the lower shearing tool bit 106 extends into the pressure measurement device and is in threaded connection with the pressure measurement device, a central control display screen 107 is arranged in the middle of the upper part of the front side surface of the middle measurement shell 102, and an operation panel 108 is arranged below the central control display screen 107 in the middle of the upper part of the front side surface of the middle measurement shell 102;
the upper surface of the middle measuring shell 102 is fixedly connected with the lower surface of the upper worm gear driving shell 103, a worm gear driving mechanism is fixedly arranged in the upper worm gear driving shell 103, and the upper end of the lower shearing tool bit 106 extends into the worm gear driving mechanism through a pressure measuring device and is meshed with the worm gear driving mechanism.
The sampling gun outer pipe section 102 is cylindrical, one side of the sampling gun outer pipe section 102 is provided with a sampling hole 106 which is vertically downward, the interval between the sampling hole 106 and the sampling hole 106 can be set to be 50mm, the smoke components of each section can be accurately measured, the sampling accuracy is guaranteed, a sealed high-temperature-resistant rubber plug 107 is arranged at the tail of an outer pipe section 102 of the sampling gun, the size of the high-temperature-resistant rubber plug 107 can be adjusted according to actual conditions, the outer pipe section 102 of the sampling gun is an inner sleeve and an outer sleeve, two ends of the sleeve are completely sealed, two fins 108 which vertically face downwards are arranged in the middle of the sleeve, a cavity of the sleeve is divided into two parts, a 10mm gap is reserved at the top end of the sleeve, two water outlet holes are formed in two sides of the tail of the sleeve and are respectively a water-cooled water inlet pipe 109 and a water-cooled water outlet pipe 110, the temperature of the sampling gun can be reduced due to the water cooling of one part, the long-time burnout of the sampling gun in a furnace can be avoided, and the service life of the sampling gun can be prolonged;
a row of sampling holes 103 which are spirally arranged are formed in the inner pipe section 101 of the sampling gun, the distance between the spiral sampling holes 103 and the spiral sampling holes 103 can be 36 degrees, and a flue gas sampling hole 104 and a combustion ash sampling hole 111 are formed in the lower end of the inner pipe section 101 of the sampling gun, so that the sampling efficiency can be improved, and the operation is simplified;
the inner tube section 101 and the outer tube section 102 of the sampling gun are conical, and the diameters of the inner tube section 101 and the outer tube section 102 of the sampling gun are linearly increased from the top end of the sampling gun to the tail part of the sampling gun, so that solid residues can more easily enter the sampling gun, and the sampling efficiency is improved;
the rotation is adjusted to the site to be measured by rotating the inner tube section 101 of the sampling gun and by the scales marked on the inner tube section 101 of the sampling gun and the outer tube section 102 of the sampling gun.
The working process of the smoke sampling gun is as follows:
according to the size of survey hole earlier, select the suitable high temperature resistant rubber buffer 107 of size to send into the pipeline with the sampling rifle, adjust the position of sampling rifle, return to zero the scale on the rotatable pipe, load sampling bottle in order to collect solid residue sampling rifle tail, be connected exhanst gas outlet and flue gas analyzer.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A rotary multifunctional flue gas sampling gun comprising: sampling rifle inner tube section (101) and sampling rifle outer tube section (102), its characterized in that: sampling hole (103) that a equidistance spiral was arranged are equipped with down in proper order from last in sampling rifle interior pipeline section (101), pipeline section (101) lower extreme one side is provided with flue gas sampling hole (104) in the sampling rifle, pipeline section (101) lower extreme is provided with solid residue (coal ash, coal tar) sampling hole (111) in the sampling rifle, pipeline section (101) below is located flue gas sampling hole (104) upside fixed mounting and is prevented scalding handle (105) in the sampling rifle, be equipped with a equidistance vertically sampling hole (106) down on sampling rifle outer pipeline section (102) from last, pipeline section (102) lower extreme movable mounting has high temperature resistant rubber buffer (107) outside the sampling rifle.
2. The rotary multifunctional flue gas sampling gun according to claim 1, characterized in that: the sampling holes (103) which are spirally arranged downwards in an equidistant mode are matched with the sampling holes (106) which are vertically downwards in an equidistant mode for use, the installation distance between the sampling holes (106) which are vertically downwards in an equidistant mode and the sampling holes (103) which are spirally arranged downwards in a equidistant mode is 50-100mm adjustable, and the interval angle between every two sampling holes (103) which are spirally downwards in an equidistant mode is 0-30 degrees.
3. The rotary multifunctional flue gas sampling gun according to claim 1, characterized in that: and the inner wall of the inner pipe section (101) of the sampling gun is coated with a heat insulating material.
4. The rotary multifunctional flue gas sampling gun according to claim 1, characterized in that: the sampling gun outer pipe section (102) is internally separated by fins (108), and a water-cooling inlet pipe (109) and a water-cooling outlet pipe (110) are fixedly mounted on the left side and the right side of the lower end of the sampling gun outer pipe section (102) respectively.
5. The rotary multifunctional flue gas sampling gun according to claim 1, characterized in that: the diameters of the sampling gun inner pipe section (101) and the sampling gun outer pipe section (102) are linearly increased from top to bottom.
6. The rotary multifunctional flue gas sampling gun according to claim 1, characterized in that: the lower ends of the sampling gun inner pipe section (101) and the sampling gun outer pipe section (102) are provided with scales matched with equidistant spiral downward sampling holes (103) and equidistant vertical downward sampling holes (106).
7. The rotary multifunctional flue gas sampling gun according to claim 1, characterized in that: the upper ends of the sampling gun inner pipe section (101) and the sampling gun outer pipe section (102) are movably connected through a high-temperature bearing (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110828360.0A CN113465997B (en) | 2021-07-22 | 2021-07-22 | Rotary multifunctional smoke sampling gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110828360.0A CN113465997B (en) | 2021-07-22 | 2021-07-22 | Rotary multifunctional smoke sampling gun |
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| Publication Number | Publication Date |
|---|---|
| CN113465997A true CN113465997A (en) | 2021-10-01 |
| CN113465997B CN113465997B (en) | 2024-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110828360.0A Active CN113465997B (en) | 2021-07-22 | 2021-07-22 | Rotary multifunctional smoke sampling gun |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116658728A (en) * | 2023-07-28 | 2023-08-29 | 福建省计量科学研究院（福建省眼镜质量检验站） | Positioning method for pipeline plug and detection part of measuring instrument |
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| CN112798361A (en) * | 2021-02-06 | 2021-05-14 | 中国环境科学研究院 | Sampling device for condensable particles in smoke of fixed pollution source |
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2021
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| TW200946893A (en) * | 2008-05-09 | 2009-11-16 | Nat Univ Chung Hsing | The ricesampling for the paddy warehouse |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116658728A (en) * | 2023-07-28 | 2023-08-29 | 福建省计量科学研究院（福建省眼镜质量检验站） | Positioning method for pipeline plug and detection part of measuring instrument |
| CN116658728B (en) * | 2023-07-28 | 2023-10-13 | 福建省计量科学研究院（福建省眼镜质量检验站） | Positioning method for pipeline plug and detection part of measuring instrument |
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|---|---|
| CN113465997B (en) | 2024-05-17 |
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