CN208547517U - A kind of sampler for extraction flue dust in high-temperature flue gas - Google Patents
A kind of sampler for extraction flue dust in high-temperature flue gas Download PDFInfo
- Publication number
- CN208547517U CN208547517U CN201820412172.3U CN201820412172U CN208547517U CN 208547517 U CN208547517 U CN 208547517U CN 201820412172 U CN201820412172 U CN 201820412172U CN 208547517 U CN208547517 U CN 208547517U
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- Prior art keywords
- water
- flue dust
- water curtain
- current limliting
- flue gas
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- 239000003500 flue dust Substances 0.000 title claims abstract description 66
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 239000003546 flue gas Substances 0.000 title claims abstract description 27
- 238000000605 extraction Methods 0.000 title abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 151
- 239000000779 smoke Substances 0.000 claims abstract description 10
- 230000008859 change Effects 0.000 claims description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 4
- 238000010791 quenching Methods 0.000 abstract description 4
- 230000000171 quenching effect Effects 0.000 abstract description 4
- 239000000523 sample Substances 0.000 description 22
- 238000005070 sampling Methods 0.000 description 14
- 238000009853 pyrometallurgy Methods 0.000 description 10
- 235000019504 cigarettes Nutrition 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 238000012886 linear function Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a kind of for extracting the sampler of flue dust, including collecting part, filter element, support member and water curtain component in high-temperature flue gas.Using the technical solution of the utility model, effect is: overall structure is simplified；Water flow is guided by current limliting curved surface in water curtain component and guide face, and the smallest cross-sectional position between current limliting curved surface and guide face changes with water velocity condition, when water flow is flowed by the gap between current limliting curved surface and guide face, it can guarantee outlet stream in the state that flows downward, it is circumferentially formed even water curtain, when flue gas flows through water curtain, the flue dust carried in flue gas can all be captured by water curtain, be conducive to the collection of flue dust；It carries in high-temperature flue gas and is fallen into collecting part with water curtain by water quenching cooling after flue dust is captured by water curtain, flue dust further occurrence can be prevented to chemically react, to retain the original object phase composition of flue dust；By the design of filter element, water and smoke sample can be efficiently separated, convenient for the extraction of flue dust sample.
Description
Technical field
The utility model relates to mechanical equipment technical fields, and in particular to a kind of for extracting taking for flue dust in high-temperature flue gas
Sampling device.
Background technique
In order to in pyrometallurgy furnace reaction condition and reaction mechanism study, need to extract from pyrometallurgy furnace
Flue dust sample, and then the granularity of flue dust sample, composition etc. are tested and analyzed；In addition, to prevent flue dust in sampling process
Since exposure aoxidizes in air, require to carry out flue dust rapid cooling also to guarantee the original spy of dirt sample chemical component
Sign.But enter furnace material and carry out violent reaction in pyrometallurgy furnace, so that the temperature in furnace is reached 1250 DEG C or more, and big
Flue gas flow rate is big in the pyrometallurgy furnace of part, smoke-density is low, easy bonding, brings very big difficulty to the extraction of flue dust.
Flue dust extraction element in existing pyrometallurgy furnace is as follows: application No. is 200620040613.9 patents of invention
Disclose a kind of offline sampler of production pyrometallurgy furnace solid sample.A kind of pyrometallurgy furnace solid sample sampling dress
It sets, including probe tube, probe tube support frame, driving device, driving device includes driving motor, oil pump, fuel tank, main hydraulic horse
It reaches, hydraulic control valve group, electrical control cabinet, chain, jockey sprocket, driving motor, oil pump, fuel tank, main hydraulic motor are mounted on
On chassis, rack made of being coupled as several girder steels is fixed on chassis；Front end of rack is connected with probe tube；It is equipped on chassis
Several pulleys, main hydraulic motor driving gear rotation, are hung on the chain-driving sampler of gear on workbench ground
Track on walk, while also driving that probe tube is forwardly inserted in stove and probe tube is extracted.This kind of apparatus structure complexity, cost
Height, it is inconvenient.Application No. is 201610222380.2 applications for a patent for invention to disclose a kind of flue dust and flue gas sampling device,
Including sampling inner tube, it is cooling in manage and cooling outer tube, cooling outer tube and it is cooling in pipe the bilayer of sealing is surrounded outside sampling inner tube
Tubular casing core structure, sampling inner tube are managed in cooling, and cooling outer tube is nested in tube outside in cooling.Such device can fit
For smoke sampling, but when sampling for flue dust or cigarette ash, since cooling efficiency is low, cigarette ash or flue dust cannot be made sharply cold
But, so as to cause cigarette ash or flue dust sample that can react in the molten state, it is unfavorable for keeping the original of cigarette ash or flue dust
There is object phase, subsequent detection and analysis result is caused to be distorted, loses its value, and the soot amount of its extraction or fume amount are less, no
Convenient for the analysis of cigarette ash or flue dust.
In addition to this, there are also the sampler of other structures or that structure is complicated is at high cost and be not convenient to use or not
Suitable for being sampled to the ash-laden gas pyrometallurgy furnace.
Therefore, it designs a kind of structure and simplifies, is easy to use and can satisfy and ash-laden gas is carried out in pyrometallurgy furnace
The sampler of sampling is of great significance.
Utility model content
The utility model aim be to provide a kind of structure simplify, be easy to use and can satisfy it is right in pyrometallurgy furnace
The sampler that ash-laden gas is sampled, specific technical solution are as follows:
It is a kind of in high-temperature flue gas extract flue dust sampler, including collecting part, filter element, support member with
And water curtain component；
The upper end of the support member is clamped for hand-held or electrical equipment, collection portion described in the detachable connection of lower end
Part；The surface in the support member and being located at the collecting part is arranged in the water curtain component；The collecting part is used
In the mixed liquor for collecting the water and flue dust that obtain by the water curtain component；
The filter element is detachable to be arranged in the support member, and the filter element is arranged in the collection
The inside of component, the filter element are used to carrying out flue dust and water into separation to obtain smoke sample；
The water curtain component includes current limliting panel and water conservancy diversion panel, the current limliting curved surface and the guide face of the current limliting panel
The guide face of plate forms the gradual change water stream channel narrow along the wide centre in water (flow) direction both ends, flows through the water flow of the gradual change water stream channel
Form the water curtain for collecting flue dust.
Preferred in above technical scheme, the support member is support round bar, and the upper end of the support round bar, which is equipped with, to be used
In the round or rectangular shank of hand-held or electrical equipment clamping, the lower end of the support round bar is with the first external screw thread and the
The hollow structure of one internal screw thread.
Preferred in above technical scheme, the collecting part includes collecting vessel and cylindrical bar, the collecting vessel and institute
Cylindrical bar is stated to be arranged with central axis, and the lower end of the cylindrical bar is fixedly connected with the collecting vessel, the cylindrical bar it is upper
End outer wall is equipped with the second external screw thread to match with first internal screw thread.
Preferred in above technical scheme, the filter element is the sieve with central through hole, the central through hole set
It is located at the lower end of the support round bar and its inner wall is equipped with the second internal screw thread for matching with first external screw thread, described the
One externally threaded height is 0.5-1.5 times of the height of the collecting vessel；The sieve is the metal mesh of stainless steel material, mesh
Number is 200-300 mesh.
Preferred in above technical scheme, the water curtain component further includes casing, and described sleeve pipe is set in the branch and holds round
On bar, and current deflecting channel is formed between described sleeve pipe and the support round bar；The current limliting curved surface of the current limliting panel it is upper
End and the outer wall of the support round bar are tightly connected, and the upper end of the guide face of the water conservancy diversion panel and the lower end of described sleeve pipe seal
Connection；The diameter of the water curtain is 0.3-0.8 times of the internal diameter of the collecting vessel；The internal diameter of described sleeve pipe is than the support round bar
The big 5-10mm of outer diameter.
It is preferred in above technical scheme, the folder formed between the guide face of the water conservancy diversion panel and the inner wall of described sleeve pipe
Angle is 20 ° -60 °；The current limliting panel and the water conservancy diversion panel are stainless steel plate, and thickness is 1-3mm.
Using the technical solution of the utility model, have the advantages that
(1) sampler for extracting flue dust in high-temperature flue gas of the utility model include collecting part, filter element,
Support member and water curtain component, overall structure are simplified, low manufacture cost, are easy to use；The sampler of the utility model is logical
Supercooled water flows in sampler always, cools down to sampler, makes sampler will not be in metallurgical furnace high temperature
In the environment of deformation occurs；Guidance in the utility model by the current limliting panel and water conservancy diversion panel in water curtain component to water flow,
So that water flow is circumferentially flowed out uniform water curtain from gradual change water stream channel, increase the contact area of water curtain and flue gas, when water curtain four
When the flue gas in week flows through water curtain, the flue dust carried in flue gas can all be captured by water curtain, be conducive to be collected into more flue dust；Current limliting
The guide face of the current limliting curved surface of panel and the water conservancy diversion panel forms the gradual change water stream channel narrow along the wide centre in water (flow) direction both ends,
The water curtain for ensuring to eventually form is circumferentially formed even water curtain, and water flow will not be splashed to collecting part in the state that flows downward
Except (specifically collection drum), it is ensured that the safety of sampling process；Flue dust is carried in the utility model high temperature flue gas by water
Curtain is fallen into collecting part with water curtain by water quenching cooling after capturing, and can effectively be prevented flue dust further occurrence from chemically reacting, be kept
The original object phase composition of flue dust, convenient for subsequent detection and analysis research；The design of filter element, Neng Gouyou in the utility model
Effect separation water and smoke sample, convenient for the extraction of flue dust sample；In the utility model between support member and collecting part and
It is all made of detachable connection mode between filter element and support member etc., convenient for the dismounting and replacement of each component, meets not
Same demand.
(2) support member is support round bar in the utility model, plays support and connection function, convenient for production；Support round bar
Upper end be equipped with round or rectangular shank, (can be taken with electric block or manual control convenient for the clamping of hand-held or electrical equipment
The lifting of sampling device), it is easy to operate；The lower end for supporting round bar is the hollow structure with the first external screw thread and the first internal screw thread,
Convenient for collecting part and filter element detachable connection.
(3) collecting part includes collecting vessel and cylindrical bar in the utility model, and the collecting vessel and the cylindrical bar are same
Central axis setting, structure are simplified, and the mixed liquor of water and flue dust are collected convenient for water curtain style, moreover it is possible to be convenient for collecting part and support rod
Connection.
(4) filter element is the sieve with central through hole in the utility model, and component is easy to get, and is passed through outside first
The combination of screw thread and the second internal screw thread enables the sieve to carry out position adjusting along the short transverse of the support round bar, thus
The water and smoke sample in component can be ensured to separate and collect.
(5) water curtain component further includes casing in the utility model, and described sleeve pipe is set on the support round bar, and described
Current deflecting channel, the upper end of the current limliting curved surface of current limliting panel and the support round bar are formed between casing and the support round bar
Outer wall be tightly connected, the lower end of the upper end of the guide face of the water conservancy diversion panel and described sleeve pipe is tightly connected, it is ensured that current limliting face
Smallest cross-sectional position between guide face changes with water velocity condition and is changed, strong applicability low to water flow requirements；And it covers
The combination of pipe and water conservancy diversion panel can change the thickness and/or diameter of water curtain according to water flow size, to change water curtain and flue dust
Contact area meets the needs of different flue dust types or flue dust quantity of the catch so as to adjust the quantity of the catch of flue dust.
Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model
Point.Below with reference to figure, the utility model is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is in embodiment 1 for extracting the overall structure diagram of the sampler of flue dust in high-temperature flue gas；
Fig. 2 is the top view of filter element in Fig. 1；
Fig. 3 is the structural schematic diagram of collecting part in Fig. 1；
Fig. 4 is the partial enlarged view in Fig. 1；
Wherein, 1, collecting part, 1.1, collecting vessel, 1.2, cylindrical bar, 2, filter element, 2.1, central through hole, 2.2, sieve
Net, 3, support member, 3.1, shank, 4, water curtain component, 4.1, current limliting panel, 4.2, water conservancy diversion panel, 4.3, casing, A, current limliting are bent
Face, B, guide face, C, gradual change water stream channel, D, current deflecting channel.
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be according to power
Benefit requires to limit and the multitude of different ways of covering is implemented.
Embodiment 1:
(arrow direction is water (flow) direction in Fig. 1) referring to figures 1-3, it is a kind of for extracting the sampling of flue dust in high-temperature flue gas
Device, including collecting part 1, filter element 2, support member 3 and water curtain component 4, specific structure is as follows:
The upper end of the support member 3 is clamped for hand-held or electrical equipment, is collected described in the detachable connection of lower end
Component 1, preferably: the support member 3 is support round bar, and the upper end of the support round bar is equipped with for hand-held or electrical equipment
The lower end of the round or rectangular shank 3.1 of clamping, the support round bar is in the first external screw thread and the first internal screw thread
Hollow structure.
The collecting part 1 is used to collect the mixed liquor of the water and flue dust that obtain by the water curtain component 4, preferably: institute
Stating collecting part 1 includes collecting vessel 1.1 and cylindrical bar 1.2, is detailed in Fig. 3, the collecting vessel and the same central axis of the cylindrical bar
Line setting, and the lower end of the cylindrical bar is fixedly connected with the collecting vessel, the upper end outer wall of the cylindrical bar is equipped with and institute
State the second external screw thread that the first internal screw thread matches.
The filter element 2 is detachable to be arranged in the support member 3, and the filter element 2 is arranged described
The inside of collecting part 1 obtains smoke sample for flue dust and water to be carried out separation, and preferably: the filter element 2 is in
The sieve 2.2 of heart through-hole 2.1, is detailed in Fig. 2, and the central through hole 2.1 is set on the lower end of the support round bar and its inner wall
Equipped with the second internal screw thread to match with first external screw thread, the first externally threaded height is the height of the collecting vessel
0.5-1.5 times；The sieve is the metal mesh of stainless steel material, and mesh number is 200-300 mesh.
The surface in the support member 3 and being located at the collecting part 1 is arranged in the water curtain component 4；The water
Curtain component 4 includes current limliting panel 4.1, water conservancy diversion panel 4.2 and casing 4.3, is detailed in Fig. 1, described sleeve pipe is set in the support
On round bar, and current deflecting channel D is formed between described sleeve pipe and the support round bar；The current limliting of the current limliting panel 4.1 is bent
The outer wall of the upper end of face A and the support round bar is tightly connected, the upper end of the guide face B of the water conservancy diversion panel 4.2 and the set
The lower end of pipe 4.3 is tightly connected；The guide face B of the current limliting curved surface A of the current limliting panel and the water conservancy diversion panel is formed along water flow
The narrow gradual change water stream channel C in the wide centre in direction both ends, the water flow for flowing through the gradual change water stream channel are formed for collecting flue dust
Water curtain.The diameter of the water curtain is 0.3-0.8 times of the internal diameter of the collecting vessel；The internal diameter of described sleeve pipe 4.2 is than the support
The big 5-10mm of the outer diameter of round bar.It is preferred: the angle formed between the guide face of the water conservancy diversion panel and the inner wall of described sleeve pipe
It is 20 ° -60 °；The current limliting panel and the water conservancy diversion panel are stainless steel plate, and thickness is 1-3mm.
(arrow direction is water (flow) direction) referring to fig. 4, the water conservancy diversion panel of dotted line signal are the position after moving up d.Guide face
The structure of plate and current limliting panel can design according to the actual situation, enumerate one kind herein:
Minimum is flowed through with water flow according to the linear function of the curvilinear function of current limliting curved surface and guide face derivation water flow to go out
Relational expression when mouthful sectional position between the thickness and water curtain speed of water curtain, coordinate system is as shown in figure 4, the wherein function of each line
It is respectively as follows:
The linear function of guide face in water conservancy diversion panel are as follows: y=-kx+b0, wherein k is the slope of straight line, and value is by water conservancy diversion
Angle between face and the inner wall of casing determines, such as when the inner wall of guide face and casing angle at 45 °, k is 1, and the straight line
In functionWhen such as by casing moving distance d (d>0, d<0 when moving down when moving up), then
Use b1=b0+ d replaces initial b0It is calculated.
The curvilinear function of current limliting curved surface are as follows: y=-0.01x2+c0, wherein c0Current limliting curved surface highest point is on the y axis when being initial
Position, by c known to mathematical computations0≤b0-25。
By mathematical computations it is found that no matter b0、c0Why be worth, the coordinate perseverance in current limit curve at water flow smallest cross-sectional be (50k,
c0-25k2).The distance between current limit curve and water conservancy diversion straight line at water flow smallest cross-sectionalWater flow smallest cross-sectional
AreaFlow according to the flowmeter water flow of water inlet is
Q passes throughThe flow velocity V of controllable water flow, while passing through determining b0、c0It can determine water curtain thickness h.
When water flow flows through gradual change water stream channel, tapered process is first undergone, after reaching at water flow smallest cross-sectional, and is undergone gradually
The process of expansion, so that water flow radial component when reaching outlet port be made to be about 0 (to illustrate water flow radial component 0 in Fig. 1
Optimum state), along current limliting curved surface lower end run underneath to collect drum in.
Using the technical solution of the present embodiment, specifically: sampler being controlled by the shank of support member and enters high temperature
In metallurgical furnace；The current deflecting channel formed between water flow sleeve pipe and support round bar enters sampler (can be with outside water
Continuum micromeehanics are realized in source connection)；The guide face of current limliting curved surface and the water conservancy diversion panel through current limliting panel is formed along water (flow) direction
After the narrow gradual change water stream channel in the wide centre in both ends, it is circumferentially formed even water curtain；Water curtain carries the cigarette of capture under the effect of gravity
Dirt enters in collecting vessel, by water quenching cooling, flue dust sample is made to keep original phase, convenient for subsequent detection and analysis；After sampling, lead to
The shank for crossing support member takes out sampler out of furnace, sieve is moved up along support round bar, from the water in collecting vessel
Middle removal, separates water with smoke sample, so extract flue dust sample, sieve can also be kept motionless, by collecting vessel from
It is removed on support round bar, separates the water in collecting vessel with the flue dust sample on sieve；When collecting, sieve is unable to Jiang Shui and cigarette
When dirt separates, dismountable sieve or collecting vessel realize the separation of water and flue dust in conjunction with the sieve of other specifications.
Using the technical solution of the utility model, effect is: overall structure is simplified, low manufacture cost, is easy to use；This reality
It is flowed in sampler always with novel sampler by cooling water, sampler is cooled down, sampler is made
It will not deformation occurs in the environment of metallurgical furnace high-temperature；Pass through the current limliting panel and water conservancy diversion in water curtain component in the utility model
Guidance of the panel to water flow, makes water flow circumferentially flow out uniform water curtain from gradual change water stream channel, increases water curtain and flue gas
Contact area, when the flue gas of water curtain surrounding flows through water curtain, the flue dust carried in flue gas can all be captured by water curtain, be conducive to collect
To more flue dust, furthermore in water curtain component: water conservancy diversion panel can be moved up and down together with casing, can be used for changing the thickness of water curtain
And/or diameter, so as to adjust the quantity of the catch of flue dust, meets different flue dust types to change the contact area of water curtain and flue dust
Or the demand of flue dust quantity of the catch；It is carried in the utility model high temperature flue gas and falls into collection portion with water curtain after flue dust is captured by water curtain
By water quenching cooling in part, make flue dust will not further occurrence chemical reaction, maintain the object phase composition of flue dust, be convenient for subsequent inspection
Survey analysis and research；By the design of filter element in the utility model, water and smoke sample can be efficiently separated, is tried convenient for flue dust
The extraction of sample；It is all made of between support member and collecting part and between filter element and support member etc. in the utility model
Detachable connection mode meets the needs of different convenient for the dismounting and replacement of each component.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of for extracting the sampler of flue dust in high-temperature flue gas, which is characterized in that including collecting part (1), filter house
Part (2), support member (3) and water curtain component (4)；
The upper end of the support member (3) is clamped for hand-held or electrical equipment, collection portion described in the detachable connection of lower end
Part (1)；The water curtain component (4) is arranged on the support member (3) and is located at the surface of the collecting part (1)；Institute
Collecting part (1) is stated for collecting the mixed liquor of the water and flue dust that obtain by the water curtain component (4)；
The filter element (2) is detachable to be arranged on the support member (3), and the filter element (2) is arranged in institute
The inside of collecting part (1) is stated, the filter element (2) is used to carrying out flue dust and water into separation to obtain smoke sample；
The water curtain component (4) includes current limliting panel (4.1) and water conservancy diversion panel (4.2), the current limliting curved surface (A) of the current limliting panel
The gradual change water stream channel (C) narrow along the wide centre in water (flow) direction both ends is formed with the guide face (B) of the water conservancy diversion panel, is flowed through described
The water flow of gradual change water stream channel forms the water curtain for collecting flue dust.
2. according to claim 1 for extracting the sampler of flue dust in high-temperature flue gas, which is characterized in that the support
Component (3) is support round bar, and the upper end of the support round bar is equipped with for the round or rectangular of hand-held or electrical equipment clamping
The lower end of shank (3.1), the support round bar is the hollow structure with the first external screw thread and the first internal screw thread.
3. according to claim 2 for extracting the sampler of flue dust in high-temperature flue gas, which is characterized in that the collection
Component (1) includes collecting vessel (1.1) and cylindrical bar (1.2), the collecting vessel and the cylindrical bar with central axis setting, and
The lower end of the cylindrical bar is fixedly connected with the collecting vessel, the upper end outer wall of the cylindrical bar be equipped with described first in spiral shell
The second external screw thread that line matches.
4. according to claim 3 for extracting the sampler of flue dust in high-temperature flue gas, which is characterized in that the filtering
Component (2) is the sieve (2.2) with central through hole (2.1), and the central through hole (2.1) is set under the support round bar
It holds and its inner wall is equipped with the second internal screw thread to match with first external screw thread, the first externally threaded height is described
0.5-1.5 times of the height of collecting vessel；The sieve is the metal mesh of stainless steel material, and mesh number is 200-300 mesh.
5. according to claim 4 for extracting the sampler of flue dust in high-temperature flue gas, which is characterized in that the water curtain
Component (4) further includes casing (4.3), and described sleeve pipe is set on the support round bar, and described sleeve pipe and the support round bar
Between formed current deflecting channel (D)；The outer wall of the upper end of the current limliting curved surface of the current limliting panel (4.1) and the support round bar
It is tightly connected, the upper end of the guide face of the water conservancy diversion panel (4.2) and the lower end of described sleeve pipe (4.3) are tightly connected；The water
The diameter of curtain is 0.3-0.8 times of the internal diameter of the collecting vessel；The internal diameter of described sleeve pipe is 5- bigger than the outer diameter of the support round bar
10mm。
6. according to claim 5 for extracting the sampler of flue dust in high-temperature flue gas, which is characterized in that the water conservancy diversion
The angle formed between the guide face of panel and the inner wall of described sleeve pipe is 20 ° -60 °；The current limliting panel and the guide face
Plate is stainless steel plate, and thickness is 1-3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820412172.3U CN208547517U (en) | 2018-03-26 | 2018-03-26 | A kind of sampler for extraction flue dust in high-temperature flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820412172.3U CN208547517U (en) | 2018-03-26 | 2018-03-26 | A kind of sampler for extraction flue dust in high-temperature flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208547517U true CN208547517U (en) | 2019-02-26 |
Family
ID=65418048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820412172.3U Withdrawn - After Issue CN208547517U (en) | 2018-03-26 | 2018-03-26 | A kind of sampler for extraction flue dust in high-temperature flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208547517U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562462A (en) * | 2018-03-26 | 2018-09-21 | 中南大学 | A kind of sampler for extracting flue dust in high-temperature flue gas |
-
2018
- 2018-03-26 CN CN201820412172.3U patent/CN208547517U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562462A (en) * | 2018-03-26 | 2018-09-21 | 中南大学 | A kind of sampler for extracting flue dust in high-temperature flue gas |
| CN108562462B (en) * | 2018-03-26 | 2024-03-29 | 中南大学 | Sampling device for extracting smoke dust from high-temperature smoke |
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