CN209086015U - The fixed device of smoke dust sampling gun suitable for positive pressure operating condition - Google Patents
The fixed device of smoke dust sampling gun suitable for positive pressure operating condition Download PDFInfo
- Publication number
- CN209086015U CN209086015U CN201821577040.2U CN201821577040U CN209086015U CN 209086015 U CN209086015 U CN 209086015U CN 201821577040 U CN201821577040 U CN 201821577040U CN 209086015 U CN209086015 U CN 209086015U
- Authority
- CN
- China
- Prior art keywords
- sampling gun
- smoke dust
- insulating
- insulating sleeve
- elastic washer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005070 sampling Methods 0.000 title claims abstract description 46
- 239000000428 dust Substances 0.000 title claims abstract description 39
- 239000000779 smoke Substances 0.000 title claims abstract description 38
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000003546 flue gas Substances 0.000 claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a kind of fixed device of the smoke dust sampling gun suitable for positive pressure operating condition, including metal shell, insulating lining, spiral knob, elastic washer, insulating sleeve, control device and power supply;Metal shell is divided into upper section and lower section, and the diameter of upper section is greater than the outer diameter of insulating sleeve, and spiral knob screws in upper section, and the diameter of lower section is greater than the outer diameter of flue gas gaging hole;Insulating lining and elastic washer are separately mounted in lower section, offer circular hole respectively at the center of insulating lining and elastic washer;The outer diameter that the internal diameter of insulating sleeve is greater than sampling gun is passed through for sampling gun, and insulating sleeve sequentially passes through insulating lining and elastic washer protrudes into upper section;Equally distributed mounting hole is offered in the periphery of the circular hole of insulating lining, electromagnet is installed in mounting hole, the conducting wire for connecting electromagnet passes through metal shell and connect with control device, and control device connects to power supply.The utility model can effectively reduce loss of the flue gas into environment, and reduce the working strength of experimenter.
Description
Technical field
The utility model belongs to environmental protection tests technical field, especially relates to a kind of for thermal power plant environmental protection facility
The special equipment of on-site test.
Background technique
Thermal power plant environmental protection relates generally to desulphurization and denitration, duster system performance test, to its operation conditions into
Row detection, to obtain the parameter of related system operating condition, examines its operation conditions.During above-mentioned test implementation, need
If opening the dry flue gas gaging hole of flue, smoke dust sampling gun is protruded into flue gas gaging hole, is extracted using sampling pump and flue gas analyzer
Flue gas and aerosol sample carry out analysis test.Using smoke dust sampling gun carry out environmental protection facility detection during can encounter with
Lower three problems:
1, someone is needed to help smoke dust sampling gun when being detected, otherwise smoke dust sampling gun is fallen in flue gas gaging hole
Risk.
2, it using biggish smoke dust sampling gun of being self-possessed, works long hours larger to the physical demands of operating personnel.
3, according to actual motion needs, part environmental protection facility entrance is in positive pressure operating condition, when testing progress, high temperature
Flue gas sprays outward, and the pernicious gases such as sulfur dioxide, nitrogen oxides, carbon monoxide are largely spilt into operating environment, to operation
The health and safety of personnel causes potential risks.Flue gas gaging hole is poorly sealed simultaneously will increase air leak rate of air curtain, to experimental data
It affects, increases experimental error.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of smoke dust sampling guns suitable for positive pressure operating condition to fix
Device, to solve the problems, such as pointed by background technique.
The fixed device of smoke dust sampling gun provided by the utility model suitable for positive pressure operating condition, comprising: metal shell, insulation
Liner plate, elastic washer, insulating sleeve, control device and power supply;Wherein, metal shell is divided into upper section and lower section, the diameter of upper section
Greater than the outer diameter of insulating sleeve, threaded hole is offered on the side wall of upper section, is connected with spiral knob in threaded hole internal screw thread, under
The diameter of section is greater than the outer diameter of flue gas gaging hole, offers aperture on the side wall of lower section;Insulating lining is pacified respectively with elastic washer
In lower section, circular hole is offered respectively at the center of insulating lining and elastic washer;The internal diameter of insulating sleeve is greater than sampling
The outer diameter of rifle is passed through for sampling gun, and insulating sleeve sequentially passes through insulating lining and elastic washer protrudes into upper section, passes through spiral
Knob screws insulating sleeve and sampling gun;Equally distributed mounting hole is offered in the periphery of the circular hole of insulating lining, is being installed
Electromagnet is installed, the conducting wire for connecting electromagnet passes through aperture and connect with control device, and control device connects to power supply in hole.
Using the fixed device of the smoke dust sampling gun suitable for positive pressure operating condition of above-mentioned the utility model, following skill can be obtained
Art effect:
1, the operation of sealing is played for ring flange by elastic washer, can be effectively reduced harmful in flue gas under positive pressure operating condition
Loss of the ingredient into operating environment reduces the influence to ambient enviroment, the safety and health of Protection personnel;
2, the structure of shell can prevent smoke dust sampling gun from falling into flue gas gaging hole, avoid the hand steered smoke dust sampling of operating personnel
Rifle improves testing efficiency to reduce the working strength of smoke dust sampling gun;
3, due to the needs of power plant design and device layout, there are horizontal and vertical two kinds of situations, the utility model for flue
It can be applied to vertical gas pass and horizontal flue simultaneously, the scope of application is more extensive;
4, smoke dust sampling gun is fixed by insulating sleeve and spiral knob, flue gas stream disturbance can be effectively reduced
Interference to experimentation, it is ensured that rifle mouth is consistent with the airflow direction of flue gas, to guarantee the accuracy of soot dust granule object acquisition;
5, experiment condition is actively adapted to by the current strength of regulating magnet, it, can be tight by the use of electromagnet
The flue gas gaging hole of flue gas is closed, experiment accuracy is improved, reduces air leak rate of air curtain, reduce experimental error.
Detailed description of the invention
The utility model is further described below in conjunction with the drawings and specific embodiments:
Fig. 1 is the decomposition of the fixed device of the smoke dust sampling gun provided by the embodiment of the utility model suitable for positive pressure operating condition
Figure;
Fig. 2 is after the smoke dust sampling gun provided by the embodiment of the utility model suitable for positive pressure operating condition fixes the assembly of device
Partial cutaway figure;
Fig. 3 is that the fixed device of the smoke dust sampling gun provided by the embodiment of the utility model suitable for positive pressure operating condition is adopted with flue dust
The installation diagram of sample rifle and flue gas gaging hole.
In figure: 1- shell, 2- electromagnet, 3- spiral knob, 4- liner plate, 5- washer, 6- casing, 7- control device, 8- electricity
Source, 9- smoke dust sampling gun 10, flue gas gaging hole.
Identical label indicates similar or corresponding feature or function in all the appended drawings.
Specific embodiment
In the following description, for purposes of illustration, it in order to provide the comprehensive understanding to one or more embodiments, explains
Many details are stated.It may be evident, however, that these embodiments can also be realized without these specific details.
In other examples, one or more embodiments for ease of description, well known structure and equipment are shown in block form an.
As shown in Figure 1-Figure 3, the fixed device of the smoke dust sampling gun provided by the utility model suitable for positive pressure operating condition, packet
It includes: metal shell 1, electromagnet 2, insulating lining 4, elastic washer 5, insulating sleeve 6, control device 7 and power supply 8;Wherein, metal
Shell 1 divides for upper section and lower section, and the diameter of upper section is slightly larger than the outer diameter of insulating sleeve 6, and the diameter of lower section is slightly larger than flue gas gaging hole
The configuration design of 10 outer diameter, metal shell 1 is that can fix smoke dust sampling gun can incite somebody to action again at the purpose of such structure
The ring flange of flue gas gaging hole 10 covers all, and threaded hole is offered on the side wall of the upper section of metal shell 1, in threaded hole
It is threaded with spiral knob 3, the adjustable length screwed in metal shell 1 of spiral knob 3, in the lower section of metal shell 1
Side wall on offer aperture.
Insulating lining 4 is made of wood materials or other light insulating materials, does not have an effect with electromagnet 2, elasticity
Washer 5 is made of rubber or other light elastic materials, and elastic washer 5 is made to have certain elasticity, insulating lining 4 and elastic cushion
Circle 5 is separately mounted in the lower section of metal shell 1, and elastic washer 5 is located at outermost, covers the ring flange of flue gas gaging hole 10,
Offer circular hole respectively at the center of insulating lining 4 and elastic washer 5, insulating sleeve 6 sequentially passes through insulating lining 4, elasticity
Washer 5 protrudes into the upper section in metal shell 1, and contacts with spiral knob 3.
The internal diameter of insulating sleeve 6 is greater than the outer diameter of smoke dust sampling gun 9, and smoke dust sampling gun 9 passes through insulating sleeve 6, and one end
It protrudes into flue gas gaging hole 10, insulating sleeve 6 and smoke dust sampling gun 9 is screwed by spiral knob 3, realize consolidating for smoke dust sampling gun 9
Fixed connection, insulating sleeve 6 are made of silica gel material, have the function of high temperature resistant and increase frictional force, and smoke dust sampling gun 9 is complete
Package to reduce flue gas loss, while passing through the fixed smoke dust sampling gun 9 of frictional force.
It is evenly distributed with mounting hole in the periphery of the circular hole of insulating lining 4, in mounting hole, electromagnet 2 passes through electromagnet 2
Conducting wire is connect with control device 7, and control device 7 is connect with power supply 8, connection electromagnet 2 conducting wire convergence after from aperture draw with
Control device 7 connects, and control device 7 is used to control the current strength after electromagnet 2 is powered, and power supply 8 is the power supply of control device 7,
Control device 7 is LL-MANDIM-1CH-BK model, generates magnetic field when electromagnet 2 is powered, makes whole device to flue gas gaging hole
10 ring flange direction is close, to pass through elastic washer 5 for the flangeseal of flue gas gaging hole 10.
The working principle of the utility model are as follows: determining depth and rifle mouth institute of the smoke dust sampling gun 9 into flue gas gaging hole 10
Pair direction after, by smoke dust sampling gun 9 pass through the device center, at this point, insulating sleeve 6 is closely pasted with 9 outer wall of smoke dust sampling gun
It closes, screws spiral knob 3, fixed smoke dust sampling gun 9 opens the ring flange of flue gas gaging hole 10, smoke dust sampling gun 9 is protruded into gaging hole
In, at this point, elastic washer 5 just wraps up entire ring flange, the switch of power supply 8, opening control device 7 is connected, at this time electromagnet 2
It starts to work, is gradually increased electric current, is bonded the device with ring flange more and more tighter, until flue gas no longer loss, it at this time can be just
Subsequent sampling operation is often carried out, at the end of sampling, closes power supply 8, which surveys from flue gas together together with smoke dust sampling gun 9
It falls off at hole 10, smoke dust sampling gun 9 and the device is removed together.
Claims (1)
1. a kind of fixed device of smoke dust sampling gun suitable for positive pressure operating condition characterized by comprising metal shell (1), insulation
Liner plate (4), elastic washer (5), insulating sleeve (6), control device (7) and power supply (8);Wherein,
The metal shell (1) is divided into upper section and lower section, and the diameter of the upper section is greater than the outer diameter of the insulating sleeve (6),
Threaded hole is offered on the side wall of upper section, is connected with spiral knob (3) in the threaded hole internal screw thread, the diameter of the lower section is big
Outer diameter in flue gas gaging hole (10) offers aperture on the side wall of the lower section;
The insulating lining (4) and the elastic washer (5) are separately mounted in the lower section, the insulating lining (4) with
Circular hole is offered respectively at the center of the elastic washer (5);
The outer diameter that the internal diameter of the insulating sleeve (6) is greater than the smoke dust sampling gun (9) is passed through for the smoke dust sampling gun (9),
The insulating sleeve (6) sequentially passes through the insulating lining (4) and the elastic washer (5) and protrudes into the upper section, passes through
The spiral knob (3) screws the insulating sleeve (6) and the smoke dust sampling gun (9);
Equally distributed mounting hole is offered in the periphery of the circular hole of the insulating lining (4), is equipped in the mounting hole
Electromagnet, the conducting wire for connecting the electromagnet pass through the aperture and connect with the control device (7), the control device (7)
It is connect with the power supply (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821577040.2U CN209086015U (en) | 2018-09-27 | 2018-09-27 | The fixed device of smoke dust sampling gun suitable for positive pressure operating condition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821577040.2U CN209086015U (en) | 2018-09-27 | 2018-09-27 | The fixed device of smoke dust sampling gun suitable for positive pressure operating condition |
Publications (1)
Publication Number | Publication Date |
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CN209086015U true CN209086015U (en) | 2019-07-09 |
Family
ID=67117639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821577040.2U Active CN209086015U (en) | 2018-09-27 | 2018-09-27 | The fixed device of smoke dust sampling gun suitable for positive pressure operating condition |
Country Status (1)
Country | Link |
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CN (1) | CN209086015U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112485073A (en) * | 2020-11-19 | 2021-03-12 | 西安热工研究院有限公司 | Anti-blocking type hole measuring structure |
-
2018
- 2018-09-27 CN CN201821577040.2U patent/CN209086015U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112485073A (en) * | 2020-11-19 | 2021-03-12 | 西安热工研究院有限公司 | Anti-blocking type hole measuring structure |
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