CN204241279U - A kind of sulfur trioxide in flue gas sampling apparatus - Google Patents
A kind of sulfur trioxide in flue gas sampling apparatus Download PDFInfo
- Publication number
- CN204241279U CN204241279U CN201420579623.4U CN201420579623U CN204241279U CN 204241279 U CN204241279 U CN 204241279U CN 201420579623 U CN201420579623 U CN 201420579623U CN 204241279 U CN204241279 U CN 204241279U
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- CN
- China
- Prior art keywords
- sampling
- pipe
- filtration
- pipeline section
- outer tube
- 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.)
- Expired - Fee Related
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 164
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000003546 flue gas Substances 0.000 title claims abstract description 50
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 238000001914 filtration Methods 0.000 claims abstract description 66
- 238000010438 heat treatment Methods 0.000 claims description 31
- 230000001681 protective effect Effects 0.000 claims description 19
- 229920000742 Cotton Polymers 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000004321 preservation Methods 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 238000003032 molecular docking Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 18
- 239000000428 dust Substances 0.000 abstract description 10
- 210000003041 ligament Anatomy 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 abstract description 4
- PVNIIMVLHYAWGP-UHFFFAOYSA-N Niacin Chemical compound OC(=O)C1=CC=CN=C1 PVNIIMVLHYAWGP-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229960003512 nicotinic acid Drugs 0.000 description 2
- 235000001968 nicotinic acid Nutrition 0.000 description 2
- 239000011664 nicotinic acid Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of sulfur trioxide in flue gas sampling apparatus, comprise the sampling pipe being communicated to flue, also comprise filtrator and heater block, described filtrator comprises the interior pipe of the filtration that medium is housed, and filters the filtration outer tube of interior pipe described in overcoat; Sampling pipe comprises the sampling outer tube of pipe and the interior pipe of overcoat sampling in sampling; Heater block is arranged on and filters outer tube and filter between interior pipe, and in sampling between pipe and sampling outer tube, and make the temperature of pipe in the interior pipe of filtration and described sampling arrive preset range or predetermined value.Heater block is arranged between two-layer pipe, effectively can play temperature control function, and heat can not distribute easily, and major part is limited in ligament, and can the working temperature of pipe in the filtration of efficiently and effectively controlling filter, thus reduces SO
3to the absorption property of exhaust gas dust, ensure the SO flowing to proving installation
3amount, test result of finally being sampled accurately, improves SO
3the test accuracy of sampling.
Description
Technical field
The utility model relates to flue gas sampling technical field, particularly a kind of sulfur trioxide in flue gas sampling apparatus.
Background technology
General containing more SO in the flue gas of discharged from coal-fired boiler
3(sulfuric anhydride), SO
3water vapor very easily in flue gas is combined and forms sulfuric acid vapor, and condenses on the heating surface of wall temperature lower than acid dew point, forms acid dew piont corrosion.The SO contained in flue gas
3concentration is higher, and the scope of corrosion is more serious.
In order to control effectively to acid dew piont corrosion, detect the SO in flue gas
3crucial.Existing SO
3sampling apparatus generally comprises the sampling pipe of straight shape, sampling pipe tube wall is enclosed with sampling pipe heating tape and heat-preservation cotton, to heat the flue gas of sampling pipe inside.The inlet end of sampling pipe is connected to the thief hatch of flue, and endpiece is connected to proving installation, the SO that sampling pipe is collected by proving installation
3be further processed, and record SO in flue gas
3concentration.
Also be connected with dedusting mechanism at sampling tube inlet end, this dedusting mechanism comprises dedusting cylinder and joint, and be filled with absorbent cotton filtering bodies in dedusting cylinder to remove dust, joint is for connecting sampling pipe and proving installation.Before flue gas enters sampling pipe, first contact with the absorbent cotton filtering bodies in dedusting cylinder, dust is attracted to absorbent cotton filtering bodies, and the flue gas without dust enters proving installation further by sampling pipe.
But, while the dedusting mechanism Chalk-dust filtering of existing sulfuric anhydride sampling apparatus, also will be attached to the SO on dust
3together filtering, and make the actual SO entering sampling apparatus
3amount reduces to some extent, affects SO
3sampling accuracy.
And, thief hatch is positioned to the sampling test at the top of flue, the sampling pipe according to straight shape is sampled, then the endpiece of sampling pipe and the proving installation that is connected with sampling pipe endpiece will be positioned at higher height, and cause sampling pipe and proving installation shakiness, operation inconvenience.
So, how providing a kind of sulfur trioxide in flue gas sampling apparatus, make it have higher sampling accuracy, is those skilled in the art's technical issues that need to address.
Utility model content
The purpose of this utility model is for providing a kind of sulfur trioxide in flue gas sampling apparatus.This sulfur trioxide in flue gas sampling apparatus has higher sampling accuracy.
For solving the problems of the technologies described above, the utility model provides a kind of sulfur trioxide in flue gas sampling apparatus, comprises the sampling pipe being communicated to flue, also comprises filtrator and heater block, described filtrator comprises the interior pipe of the filtration that medium is housed, and filters the filtration outer tube of interior pipe described in overcoat; Described sampling pipe comprises in sampling the sampling outer tube of managing and sampling interior pipe described in overcoat; Described heater block is arranged in described filtration outer tube and described filtration between pipe, and in described sampling between pipe and sampling outer tube, and make the temperature of pipe in the interior pipe of described filtration and described sampling arrive preset range or predetermined value.
Heater block is arranged between two-layer pipe, effectively can play temperature control function, and heat can not distribute easily, and major part is limited in ligament, and can the working temperature of pipe in the filtration of efficiently and effectively controlling filter, thus reduces SO
3to the absorption property of exhaust gas dust, ensure the SO flowing to proving installation
3amount, test result of finally being sampled accurately, improves SO
3the test accuracy of sampling; The temperature of pipe 11 and the interior pipe 22 of filtration in sampling pipe can also be controlled, make the SO in flue gas
3/ H
2sO
4exist all in a gaseous form, ensure that nicotinic acid can enter follow-up proving installation.。
Preferably, heating tape temperature controller, temperature control thread guide devices is also comprised; Described heater block is heating tape and heat-preservation cotton; Described heating tape temperature controller controls the temperature of pipe in described heating tape, the interior pipe of described sampling and described filtration; Described temperature control thread guide devices is arranged on described filtration outer tube and described sampling outer tube, and the terminals of described heating tape are fixed on described filtration outer tube and described sampling outer pipe surface by described temperature control thread guide devices.
Preferably, described filtrator also comprises filtration plug; Described filtration plug comprises and connects pipeline section and limiting section, described connection pipeline section is connected with described sampling pipe, described limiting section is arranged on the inlet end of pipe in described filtration with spacing described medium, and described flue gas enters described filtrator by described filtration plug from described sampling pipe.
Preferably, in described limiting section and described filtration, pipe is made by quartz glass; In described filtration, the inlet end of pipe is enlarging shape, and the described inlet end of described limiting section and enlarging shape is sealed and matched by ground mode.
Preferably, in described sampling, pipe comprises the first pipeline section, the second pipeline section and the 3rd pipeline section that dock successively, and described first pipeline section extends along vertical described second pipeline section of mutually perpendicular both direction with described 3rd pipeline section.
Preferably, described sampling outer tube comprises the straight length of docking and T-shaped pipeline section, and three pipeline sections of described T-shaped pipeline section are installed described temperature control thread guide devices respectively, are connected to described straight length, are connected to described filtrator.
Preferably, described the pipeline section that described T-shaped pipeline section connects described filtrator is provided with plug-in connecting portion, and described plug-in connecting portion has internal thread, and described filtration outer tube has external thread, and described external thread can screw with described internal thread and coordinate.
Preferably, end protective cover is also comprised; Described end protective cover comprises parallel with described second pipeline section, to be circumferentially evenly arranged on described sampling tube inlet end some steel columns.
Preferably, also comprise the sampling pipe protective sleeve of two steels, described sampling pipe protective sleeve is cylindrical shape, removably connects respectively with the two ends of described sampling outer tube.
Accompanying drawing explanation
The cut-open view of a kind of embodiment of the sulfur trioxide in flue gas sampling apparatus that Fig. 1 provides for the utility model;
Fig. 2 be sampling apparatus in Fig. 1 sampling in the partial side view of inlet end of pipe.
In Fig. 1-Fig. 2:
Pipe 22, filtration plug 23, connection pipeline section 231, limiting section 232, connecting pipe 3, temperature control thread guide devices 4, end protective cover 5, sampling pipe protective sleeve 6 in sampling pipe 1, interior pipe 11, first pipeline section 111, second pipeline section 112 of sampling, the 3rd pipeline section 113, outer tube 12 of sampling, straight length 121, T-shaped pipeline section 122, plug-in connecting portion 123, plug-in connecting portion 124, filtrator 2, filtration outer tube 21, filtration
Embodiment
In order to make those skilled in the art understand the technical solution of the utility model better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 1, the cut-open view of a kind of embodiment of the sulfur trioxide in flue gas sampling apparatus that Fig. 1 provides for the utility model.
As shown in Figure 1, the utility model provides a kind of sulfur trioxide in flue gas sampling apparatus (hereinafter referred to as sampling apparatus), this device comprises sampling pipe 1, filtrator 2 and heater block, sampling pipe 1 is communicated to flue, comprise its sampling outer tube 12 of pipe 11 and overcoat in sampling, flue gas enters proving installation by sampling pipe 1.Filtrator 2 comprise be filled with medium filtration in pipe 22 and overcoat filter in the filtration outer tube 21 of pipe 22, pipe 22 and the ligament filtering outer tube 21 in heater block is arranged on and filters, and the gap of pipe 11 and sampling outer tube 12 in sampling, and the temperature of pipe 11 in pipe 22 in filtration, sampling is made to rise in preset range or predetermined value.
Above-mentioned preset range or predetermined value refer to, when filtrator 2 works at such a temperature, and SO
3poor to the absorption property of exhaust gas dust etc., when flue gas is by filtrator 2, dust etc. are filtered material filtering, SO
3flow away with flue gas.
Heater block is arranged between two-layer pipe, effectively can play temperature control function, and heat can not distribute easily, and major part is limited in ligament, and can the working temperature of pipe 22 in the filtration of efficiently and effectively controlling filter 2, thus reduces SO
3to the absorption property of exhaust gas dust, ensure the SO flowing to proving installation
3amount, test result of finally being sampled accurately, improves SO
3the test accuracy of sampling; The temperature of pipe 11 and the interior pipe 22 of filtration in sampling pipe can also be controlled, make the SO in flue gas
3/ H
2sO
4exist all in a gaseous form, ensure that nicotinic acid can enter follow-up proving installation.
Temperature preferably controls, between 250 degrees Celsius to 270 degrees Celsius, optimally, should control at 260 degrees Celsius by heater block.
In contrast, the more convenient safety of set-up mode of heating tape and heat-preservation cotton, also needs according to heating rod the installation fixation problem considering heating rod, and heating tape is arranged around the outer wall filtering interior pipe 22, and heat-preservation cotton is filled in ligament.
Also comprise heating tape temperature controller, temperature control thread guide devices 4, and heater block filters interior pipe 22 for being arranged on and filtering between outer tube 21, and sampling in pipe 11 and sampling outer tube 12 between heating tape and heat-preservation cotton, heating tape temperature controller is for controlling the heating of heating tape.Heater block can also for having the heating rod etc. of heating function.
Temperature control thread guide devices 4 is arranged on sampling outer tube 12 and filters on outer tube 21, the connector lug of heating tape is passed by this temperature control thread guide devices 4 and is fixed on and filters outer tube 21 and sampling outer tube 12, thus facilitates heating tape to be connected with heating tape temperature controller, and, sampling apparatus profile is clean and tidy, is conducive to carrying.
If do not arrange temperature control thread guide devices 4 to be also fine, just, the connector lug of heating tape is exposed outside sampling outer tube 12 or filtration outer tube 21.
Filtrator 2 also comprises filtration plug 23, filtering plug 23 is connected between the endpiece of sampling pipe 1 and the inlet end filtering interior pipe 22, comprise and connect pipeline section 231 and limiting section 232, the two has the passage for flow of flue gas, this passage should dock with sampling pipe 1, and makes flue gas from sampling pipe 1 inflow filter 2.Connect pipeline section 231 for being connected with the endpiece of sampling pipe 1, the inlet end of pipe 22 in limiting section 232 is arranged on and filters, and spacing medium.
The endpiece of sampling pipe 1 provides installation foundation for filtering plug 23, and connecting pipeline section 231 can be docked with sampling pipe 1 by the modes such as sebific duct that are locked, and filtrator 2 can be connected quickly and easily with sampling pipe 1; Meanwhile, filter plug 23 and also have limiting section 232, this limiting section 232, can also stable support medium while spacing further to connect pipeline section 231 for installation foundation, prevents medium from spilling.
Filtration plug 23 in present embodiment integrates and connects pipeline section 231 and limiting section 232, plays connection, support, spacing effect, has simplified the vibrational power flow of whole sampling apparatus.
Certainly, filtrator 2 also can be arranged on the inlet end of sampling pipe 1, just, may need to arrange supporting member and limiting component in addition, and the two also needs to fix separately, increases the complexity of equipment.
Further, in filtering, the inlet end of pipe 22 is enlarging shape, and limiting section 232 is made by quartz glass with pipe 22 in filtration, and the inlet end of limiting section and enlarging shape is sealed and matched by ground mode.
Ground mode seals simply, reliable, while spacing medium, can also effectively isolate medium and external environment, and extend the serviceable life of filtrator 2, and, can dismantling at any time as required, providing convenient for changing medium.Certainly, also can connect by other means, such as, bonding etc.
Should be appreciated that connection pipeline section 231 should have respectively with limiting section 232 and be connected pipeline section passage and limiting section passage, the two docking is common forms the above-mentioned passage for flow of flue gas.
Further, filtering outer tube 21 can also be steel, is preferably stainless steel, thus pipe 22 etc. in inner heater block can being protected to a certain extent and filtering.
Please refer to Fig. 2, Fig. 2 be sampling apparatus in Fig. 1 sampling in the partial side view of inlet end of pipe 11.
As shown in Figure 2, in this sampling, pipe 11 comprises the first pipeline section 111, second pipeline section 112 and the 3rd pipeline section 113, first pipeline section 111 is all connected with the second pipeline section 112 with the 3rd pipeline section 113, and, in the sampling that connection is complete, pipe 11 should have two place's bend loss, it bends to the direction vertical with the first pipeline section 111.
Above-mentioned bend loss can lay respectively at the first pipeline section 111 and the 3rd pipeline section 113, also the two ends of the second pipeline section 112 can be positioned at, and dock respectively with the first pipeline section 111 and the 3rd pipeline section 113, no matter belong to which kind of situation above-mentioned, first pipeline section 111 and the 3rd pipeline section 113 all can along the directions of bend loss bending, and the direction namely perpendicular to the second pipeline section 112 extends.
In addition, the bearing of trend of the first pipeline section 111 and the 3rd pipeline section 113 also should be orthogonal, and namely the plane at the first pipeline section 111, second pipeline section 112 place and the plane at the 3rd pipeline section 113, second pipeline section 112 place should be orthogonal.
Generalized case, sampling apparatus is arranged on sampling test platform, sampling test platform is erected on flue, sampling instrument connection is arranged along extending perpendicular to flow of flue gas direction, therefore, sampling test platform is less along the width on flow of flue gas direction, and is determining according to flue width dimensions perpendicular to the length on flow of flue gas direction.Certainly, sampling test platform also has to be arranged along extending perpendicular to flow of flue gas direction at flue sidepiece, and this patent is set to example to extension cloth with top is described along putting perpendicular to flow of flue gas.
One in first pipeline section 111 and the 3rd pipeline section 113 inserts flue, and another one connects filtrator 2, inserts flue below with the first pipeline section 111, and the 3rd pipeline section 113 connects filtrator 2 for example and is described.
During sampling, first pipeline section 111 receives flue gas, 3rd pipeline section 113 exports flue gas, the first parallel flow of flue gas direction of pipeline section 111 is arranged, thus more efficiently absorb flue gas, 3rd pipeline section 113 extends along being parallel to flue gas sampling test platform direction just, is extremely conducive to it and is connected with filtrator 2 and proving installation etc.Further, arrange because the 3rd pipeline section 113 bends, reduce the setting height(from bottom) of filtrator 2, proving installation etc., facilitate it to arrange.
Certainly, in sampling, pipe 11 also can be S-type, or the first pipeline and the 3rd pipeline have other angles, but, be all not easy to the integral arrangement of sampling apparatus.
Further, in order to provide arrangement space for the cable of heating tape, to make its inner structure more clean and tidy, sampling outer tube 12 can comprise straight length 121 and the T-shaped pipeline section 122 of docking, wherein, straight length 121 overcoat first pipeline section 111 and the second pipeline section 112, T-shaped pipeline section 122 overcoat the 3rd pipeline section 113, further, three pipeline sections of T-shaped pipeline section 122 are installed temperature control thread guide devices 4 respectively, connect straight length 121, are connected filtrator 2.
The pipeline section that T-shaped pipeline section 122 connects straight length 121 and filtrator 2 can be respectively arranged with plug-in connecting portion 123 and plug-in connecting portion 124, the two can have internal thread, and the outer wall of the straight length 121 be attached thereto and filter the outer wall of outer tube 21 there is external thread, internal thread and external thread rotary wringing fit and assemble sampling pipe 1 and filtrator 2.During assembling sampling pipe 1, respectively T-shaped pipeline section 122 and straight length 121 are inserted in from two ends interior pipe 11 of sampling, are tightened thereupon.
Sampling pipe 1 is connected by plug-in connecting portion 124 with filtrator 2, and dismounting both convenient, is easy to carry.The two also removably can connect for non-, such as welds, bonding etc.
What dock with straight length 121 also for L-type pipeline section, namely can not configurate space for temperature control thread guide devices 4 separately, and makes it arrange in the 3rd pipeline section 113 and the ligament of sampling between outer tube 12.
Sampling apparatus can also comprise end protective cover 5, and this end protective cover 5 comprises parallel with the second pipeline section 112, and is evenly arranged on the some steel columns around the first pipeline section 111 along the circumference of sampling pipe 1.When this end protective cover 5 is for protecting sampling, sampling pipe 1 head end is subject to unexpected colliding with.
End protective cover 5 can also comprise the steel disc being connected to steel column end, and it also can play the effect of protection sampling pipe 1 head end, in addition, can also prevent the heating tape of sampling between interior pipe 11 and sampling outer tube 12 from leaking outside.
In addition, sampling apparatus can also comprise the sampling pipe protective sleeve 6 of steel, and it is cylindrical, and, be removably connected to the sampling inlet end of outer tube 12 and endpiece, be such as threaded, clamping etc.
Sampling apparatus is in off working state, and when being carried, sampling pipe protective sleeve 6 can being arranged on two ends of sampling outer tube 12, preventing the filtration plug 23 damaging sampling pipe 1 and filtrator 2 in carrying process.
Fig. 1 illustrates that one end cover that the sampling pipe 1 of sampling apparatus inserts flue has sampling pipe 1 protective sleeve, and the other end is connected with filtrator 2, therefore, and another sampling pipe protective sleeve 6 not shown.Above-mentioned sampling pipe protective sleeve 6 is preferably stainless steel.
The endpiece of the filtrator 2 in the respective embodiments described above is connected with the connecting pipe 3 leading to proving installation, and, the junction of connecting pipe 3 and filtrator 2 is wrapped up by heating tape and heat-preservation cotton, and similarly, filtrator 2 is also wrapped up by heating tape and heat-preservation cotton with the junction of sampling pipe 1.
Above-mentioned medium can be glass fiber filter cylinder and silica wool, also can be absorbent cotton filtering bodies.
Above a kind of sulfur trioxide in flue gas sampling apparatus provided by the utility model is described in detail.Apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (9)
1. a sulfur trioxide in flue gas sampling apparatus, comprise the sampling pipe (1) being communicated to flue, it is characterized in that, also comprise filtrator (2) and heater block, described filtrator (2) comprises the interior pipe (22) of the filtration that medium is housed, and manages the filtration outer tube (21) of (22) in filtering described in overcoat; Described sampling pipe (1) comprises the sampling outer tube (12) of managing pipe (11) in sampling described in (11) and overcoat in sampling; Described heater block is arranged in described filtration outer tube (21) and described filtration manages between (22), and in described sampling between pipe (11) and sampling outer tube (12), and the temperature of managing pipe (11) in (22) and described sampling in described filtration is made to arrive preset range or predetermined value.
2. sulfur trioxide in flue gas sampling apparatus as claimed in claim 1, is characterized in that, also comprise heating tape temperature controller, temperature control thread guide devices (4); Described heater block is heating tape and heat-preservation cotton; Described heating tape temperature controller controls the temperature of pipe (11) and the interior pipe (22) of described filtration in described heating tape, described sampling; Described temperature control thread guide devices (4) is arranged on described filtration outer tube (21) and described sampling outer tube (12), and the terminals of described heating tape are fixed on described filtration outer tube (21) and described sampling outer tube (12) surface by described temperature control thread guide devices (4).
3. sulfur trioxide in flue gas sampling apparatus as claimed in claim 2, it is characterized in that, described sampling outer tube (12) comprises straight length (121) and the T-shaped pipeline section (122) of docking, and three pipeline sections of described T-shaped pipeline section (122) are installed described temperature control thread guide devices (4) respectively, are connected to described straight length (121), are connected to described filtrator (2).
4. sulfur trioxide in flue gas sampling apparatus as claimed in claim 3, it is characterized in that, described the pipeline section that described T-shaped pipeline section (122) connects described filtrator (2) is provided with plug-in connecting portion (124), described plug-in connecting portion (124) has internal thread, described filtration outer tube (21) has external thread, and described external thread can screw with described internal thread and coordinate.
5. sulfur trioxide in flue gas sampling apparatus as claimed in claim 1, is characterized in that, described filtrator (2) also comprises filtration plug (23); Described filtration plug (23) comprises and connects pipeline section (231) and limiting section (232), described connection pipeline section (231) is connected with described sampling pipe (1), described limiting section (232) is arranged on the inlet end of pipe (22) in described filtration with spacing described medium, and described flue gas enters described filtrator (2) by described filtration plug (23) from described sampling pipe (1).
6. sulfur trioxide in flue gas sampling apparatus as claimed in claim 5, is characterized in that, manages (22) and make by quartz glass in described limiting section (232) and described filtration; In described filtration, the inlet end of pipe (22) is enlarging shape, and described limiting section (232) is sealed and matched by ground mode with the described inlet end of enlarging shape.
7. the sulfur trioxide in flue gas sampling apparatus as described in any one of claim 5-6, it is characterized in that, in described sampling, pipe (11) comprises the first pipeline section (111), the second pipeline section (112) and the 3rd pipeline section (113) that dock successively, and described first pipeline section (111) extends along vertical described second pipeline section (112) of mutually perpendicular both direction with described 3rd pipeline section (113).
8. sulfur trioxide in flue gas sampling apparatus as claimed in claim 7, is characterized in that, also comprise end protective cover (5); Described end protective cover (5) comprises some steel columns that are parallel with described second pipeline section (112), that be circumferentially evenly arranged on described sampling pipe (1) inlet end.
9. sulfur trioxide in flue gas sampling apparatus as claimed in claim 5; it is characterized in that; also comprise the sampling pipe protective sleeve (6) of two steels, described sampling pipe protective sleeve (6) is cylindrical shape, removably connects respectively with the two ends of described sampling outer tube (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420579623.4U CN204241279U (en) | 2014-10-08 | 2014-10-08 | A kind of sulfur trioxide in flue gas sampling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420579623.4U CN204241279U (en) | 2014-10-08 | 2014-10-08 | A kind of sulfur trioxide in flue gas sampling apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN204241279U true CN204241279U (en) | 2015-04-01 |
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ID=52770760
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420579623.4U Expired - Fee Related CN204241279U (en) | 2014-10-08 | 2014-10-08 | A kind of sulfur trioxide in flue gas sampling apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588777A (en) * | 2016-03-02 | 2016-05-18 | 浙江浙能技术研究院有限公司 | Device and method for simultaneously testing PM2.5 and coagulated particulate matters discharged by fixing source |
| CN106596198A (en) * | 2016-12-20 | 2017-04-26 | 哈尔滨工业大学 | Online SO3 measuring system and method |
| CN106990026A (en) * | 2017-05-27 | 2017-07-28 | 山西大学 | A kind of experimental provision detected for flue gas acid dew point with grey reunion characteristic research |
| CN107421789A (en) * | 2017-07-04 | 2017-12-01 | 东方电气集团东方锅炉股份有限公司 | Sulfur trioxide in flue gas sampling gun |
| CN107817138A (en) * | 2017-10-20 | 2018-03-20 | 重庆美高科技有限公司 | A kind of device for trapping dust |
-
2014
- 2014-10-08 CN CN201420579623.4U patent/CN204241279U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588777A (en) * | 2016-03-02 | 2016-05-18 | 浙江浙能技术研究院有限公司 | Device and method for simultaneously testing PM2.5 and coagulated particulate matters discharged by fixing source |
| CN106596198A (en) * | 2016-12-20 | 2017-04-26 | 哈尔滨工业大学 | Online SO3 measuring system and method |
| CN106990026A (en) * | 2017-05-27 | 2017-07-28 | 山西大学 | A kind of experimental provision detected for flue gas acid dew point with grey reunion characteristic research |
| CN107421789A (en) * | 2017-07-04 | 2017-12-01 | 东方电气集团东方锅炉股份有限公司 | Sulfur trioxide in flue gas sampling gun |
| CN107817138A (en) * | 2017-10-20 | 2018-03-20 | 重庆美高科技有限公司 | A kind of device for trapping dust |
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