CN110308022A - Oxygen analyzer water conservancy diversion probe assembly - Google Patents
Oxygen analyzer water conservancy diversion probe assembly Download PDFInfo
- Publication number
- CN110308022A CN110308022A CN201910715268.6A CN201910715268A CN110308022A CN 110308022 A CN110308022 A CN 110308022A CN 201910715268 A CN201910715268 A CN 201910715268A CN 110308022 A CN110308022 A CN 110308022A
- Authority
- CN
- China
- Prior art keywords
- oxygen
- water conservancy
- conservancy diversion
- probe assembly
- detection unit
- 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.)
- Granted
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 152
- 239000001301 oxygen Substances 0.000 title claims abstract description 152
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 152
- 239000000523 sample Substances 0.000 title claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 239000007789 gas Substances 0.000 claims abstract description 56
- 238000001514 detection method Methods 0.000 claims abstract description 42
- 238000012360 testing method Methods 0.000 claims abstract description 29
- 238000000429 assembly Methods 0.000 claims abstract description 12
- 230000000712 assembly Effects 0.000 claims abstract description 12
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 11
- 230000007704 transition Effects 0.000 claims description 9
- 235000019504 cigarettes Nutrition 0.000 abstract description 26
- 238000001914 filtration Methods 0.000 abstract description 15
- 239000013618 particulate matter Substances 0.000 abstract description 9
- 238000005259 measurement Methods 0.000 description 9
- 230000000903 blocking effect Effects 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003657 drainage water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000027734 detection of oxygen Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
Abstract
The present invention provides a kind of oxygen analyzer water conservancy diversion probe assemblies, comprising: oxygen amount detection unit, the oxygen amount detection unit is used to detect the oxygen content under test gas, and oxygen amount detection unit includes the filter assemblies of oxygen sensing element with the upstream that oxygen sensing element is arranged in；And main pipe, for guiding under test gas by oxygen amount detection unit, oxygen amount detection unit is accommodated in main pipe the main pipe.The oxygen analyzer water conservancy diversion probe assembly further includes the filter element that the end of main pipe is arranged in.The secondary filtration under test gas is realized by filter element and the filter assemblies of oxygen amount detection unit, so that it is guaranteed that reaching the degree of purity of the gas of oxygen sensing element, prevent cigarette ash or particulate matter in gas from damaging to oxygen sensing element, it can also prevent cigarette ash or particulate matter from resulting in blockage to pipeline, substantially prolong the service life of oxygen analyzer water conservancy diversion probe assembly.
Description
Technical field
The present invention relates to oxygen content detection devices, relate more specifically to a kind of water conservancy diversion spy for aoxidizing zirconium base oxygen analyzer
Head assembly.
Background technique
Currently, the oxygen content in high-temperature flue gas is mainly measured by zirconium oxide based sensor.It proposes in the prior art
Water conservancy diversion in-line structure design philosophy relatively efficiently overcome sweep of gases and cause the probe lost of life and pull-out type oxygen
The drawbacks such as the lag of response time present in analyzer are measured, that is, ensure that the sensitivity of direct insertion oxygen analyzer, also reach and prolong
The purpose of long life, while also eliminating the section components of pull-out type oxygen analyzer.
The characteristics of water conservancy diversion direct insertion oxygen analyzer, is that detector is shorter, and in sampling catheter.Sampling catheter
Also referred to as diversion pipe, size can be according to requiring to determine.The effect of diversion pipe be intercept part of representative gas sample by
Detector is flowed through according to assigned direction, and Protective Detector is not washed away by high velocity smoke, and the accuracy and sensitivity that measure are not
It is impacted.This style of oxygen analyzer is that current the main of oxidation zirconium base oxygen analyzer uses pattern.
As described above, the key of the direct insertion oxygen analyzer of water conservancy diversion is the set-up mode and structure design of diversion pipe.Water conservancy diversion
The effect of pipe is Protective Detector, intercepts and the representational sample gas of leader is flowed by defined direction, and do not allow
There is a phenomenon where the influences measurements such as cigarette ash blocking to occur.
The diversion pipe of the water conservancy diversion probe of existing zirconia oxygen analyzer usually passes through to be inserted on probe outside variable diameter, then with top
Silk is fixed.Usually there is gap in the joint of diversion pipe and probe, and pop one's head in itself also without filtration system, exist
The problem of cigarette ash blocks, influences the normal work and use service life of detecting element.
Summary of the invention
At least one of in order to solve the above-mentioned technical problem aspect, the embodiment provides a kind of analysis of oxygen content
Instrument water conservancy diversion probe assembly, the oxygen analyzer water conservancy diversion probe assembly include:
Oxygen amount detection unit, the oxygen amount detection unit are used to detect the oxygen content under test gas, oxygen amount detection unit packet
It includes oxygen sensing element and the filter assemblies of the upstream of oxygen sensing element is set；And
Main pipe, for the main pipe for guiding under test gas by oxygen amount detection unit, oxygen amount detection unit is accommodated in master
In conduit；
Wherein, which further includes the filter element that the end of main pipe is arranged in.
Pass through the filter element of oxygen analyzer water conservancy diversion probe assembly according to the present invention and the mistake of oxygen amount detection unit
The secondary filtration under test gas may be implemented in filter component, so that it is guaranteed that reaching the degree of purity of the gas of oxygen sensing element, prevents
Cigarette ash or particulate matter in gas damage oxygen sensing element, additionally it is possible to prevent cigarette ash or particulate matter from causing to pipeline
Blocking.Thus measurement accuracy can not only be improved, and the use longevity of oxygen analyzer water conservancy diversion probe assembly can be greatly prolonged
Life.
One preferred embodiment of oxygen analyzer water conservancy diversion probe assembly according to the present invention, filter element includes shell
With the setting intracorporal filter core of shell.
In another preferred embodiment of oxygen analyzer water conservancy diversion probe assembly according to the present invention, oxygen analyzer
Water conservancy diversion probe assembly further includes the boot-shaped air scoop section that the upstream of filter element is arranged in.
Another preferred embodiment of oxygen analyzer water conservancy diversion probe assembly according to the present invention, boot-shaped air scoop section
The angled end wall of end including circular cylindrical circumferential, for closing boot-shaped air scoop section and in the circumference of circular cylindrical circumferential
The air inlet being oppositely disposed with angled end wall.
In oxygen analyzer water conservancy diversion probe assembly according to the present invention also in a preferred embodiment, the of air inlet
Plane where one side wall is parallel to the radial direction of circular cylindrical circumferential, the plane where the second sidewall of air inlet and radial direction side
To at the first angle.
Another preferred embodiment of oxygen analyzer water conservancy diversion probe assembly according to the present invention, above-mentioned first angle are
40 ° -70 °, which is preferably 65 °.
In another preferred embodiment of oxygen analyzer water conservancy diversion probe assembly according to the present invention, in filter element
The pressure ring for compressing the periphery of filter core is provided between boot-shaped air scoop section.
Another preferred embodiment of oxygen analyzer water conservancy diversion probe assembly according to the present invention, in the side wall of main pipe
On be provided with gas outlet, the upstream of gas outlet is arranged in the oxygen sensing element of oxygen amount detection unit.
In an also preferred embodiment for oxygen analyzer water conservancy diversion probe assembly according to the present invention, detected in oxygen amount
It is formed with card slot on the bearing tube wall of unit, main pipe is fastened on card slot by fastening assembly.
Another preferred embodiment of oxygen analyzer water conservancy diversion probe assembly according to the present invention, fastening assembly include with
Main pipe be threadedly coupled transition connection portion part and it is opposite with transition connection portion part connect fixedly and with card slot cooperate
Adapter ring.
In another preferred embodiment of oxygen analyzer water conservancy diversion probe assembly according to the present invention, adapter ring passes through
The jackscrew being arranged on the circumference of adapter ring is screw fastening on card slot.
Compared with prior art, the invention has the advantages that at least one of:
(1) oxygen analyzer water conservancy diversion probe assembly according to the present invention passes through the filtering of filter element and oxygen amount detection unit
The secondary filtration under test gas may be implemented in component, so that it is guaranteed that reaching the degree of purity of the gas of oxygen sensing element, prevents gas
Cigarette ash or particulate matter in body damage oxygen sensing element, additionally it is possible to prevent cigarette ash or particulate matter from causing cigarette to pipeline
Ash blocking.Thus measurement accuracy can not only be improved, and the use of oxygen analyzer water conservancy diversion probe assembly can be greatly prolonged
Service life；
(2) oxygen analyzer water conservancy diversion probe assembly according to the present invention by setting boot-shaped air scoop section so that by into
The under test gas that port enters generates turbulent flow in the end of boot-shaped air scoop section and filter element, so as to be deposited in
The cigarette ash or other particulate matters filtered in the cartridge surface of unit take boot-shaped air scoop section out of, thus reduce cigarette ash and gather, prevent
Only cigarette ash results in blockage to filter core；
(3) pass through the drainage water conservancy diversion classified filtering of special designing, the bulky grain cigarette ash of 20%-40% can be reduced relatively
Into, improve water conservancy diversion entrance flue gas quality, reduce the risk that probe assembly filter element is blocked by bulky grain, make oxygen
The measurement environment of sensing element is improved, and ensure that the normal running conditions of oxygen analyzer water conservancy diversion probe assembly, Jin Erti
The high service life of water conservancy diversion probe assembly；
(4) present invention can also realize the adjusting of airintake direction by the cooperation of adapter ring and card slot, to easily facilitate
The application of oxygen analyzer water conservancy diversion probe assembly.
Detailed description of the invention
By the description made for the present invention of below with reference to attached drawing, other objects and advantages of the present invention will be aobvious and easy
See, and can help that complete understanding of the invention will be obtained.
Fig. 1 is the stereoscopic schematic diagram according to the oxygen analyzer water conservancy diversion probe assembly of exemplary embodiment of the present invention.
Fig. 2 is the side view according to the oxygen analyzer water conservancy diversion probe assembly of exemplary embodiment of the present invention.
Fig. 3 is the stereoscopic schematic diagram according to the oxygen amount detection unit of exemplary embodiment of the present invention.
It should be noted that attached drawing is not necessarily to scale to draw, but only not influence the schematic of reader's understanding
Mode is shown.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the attached drawing of the embodiment of the present invention,
Technical solution of the present invention is clearly and completely described.Obviously, described embodiment is an implementation of the invention
Example, instead of all the embodiments.Based on described the embodiment of the present invention, those of ordinary skill in the art are without creating
Property labour under the premise of every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless otherwise defined, the technical term or scientific term that the present invention uses should be tool in fields of the present invention
The ordinary meaning for thering is the personage of general technical ability to be understood.
Shortage filter device existing in the prior art and there are problems that cigarette ash blocking, this invention takes in master
The front end of diversion pipe increases the mode of by-pass filtration component, carries out secondary purifying under test gas in conjunction with the filter device of probe itself
The classified filtering mode of change to solve the problems, such as that cigarette ash blocks, and extends the service life of oxygen analyzer water conservancy diversion probe assembly.
The embodiment of the present invention provides a kind of oxygen analyzer water conservancy diversion probe assembly 10, as shown in Figure 1-3, the water conservancy diversion is popped one's head in
Component 10 includes for detecting the oxygen amount detection unit 12 of the oxygen content under test gas, for guiding under test gas to pass through oxygen amount
The main pipe 14 of detection unit 12 and be arranged in main pipe 14 end filter element 16, wherein oxygen amount detection unit 12
Filter assemblies 122 (as shown in Figure 3) including oxygen sensing element (attached to be not shown in the figure) and the upstream that oxygen sensing element is arranged in,
Oxygen amount detection unit 12 is accommodated in main pipe 14.In addition, oxygen sensing element is arranged by flange assembly 126 in filter assemblies
122 it is interior intracavitary, filter assemblies 122 can be then fixedly provided in the support tube for being disposed with card slot 124.
Oxygen analyzer water conservancy diversion probe assembly 10 according to the present invention is by oxygen amount detection unit 12 under test gas
Oxygen content measures, and the under test gas in the facilities such as flue is directed in oxygen amount detection unit 12 by main pipe 14, leads to
Oxygen sensing element in peroxide amount detection unit 12 accurately detects oxygen content.Here, oxygen amount detection unit 12 is not only wrapped
Oxygen-containing sensing element further includes the filter assemblies 122 that the upstream of oxygen sensing element is arranged in, by filter assemblies 122 to leading to
The under test gas of oxygen sensing element is filtered, to prevent cigarette ash or other particles in gas from resulting in blockage to pipeline or right
Oxygen sensing element damages.Here, upstream refers to that the flow direction along under test gas is located closer to the position of gas source,
Downstream is then the flow direction along under test gas further from the position of gas source.
Oxygen analyzer water conservancy diversion probe assembly 10 according to the present invention is by being arranged filter element in the end of main pipe 14
16 can to introduce main pipe 14 before under test gas be filtered, thus with the filter assemblies 122 1 of oxygen amount detection unit 12
It rises and secondary filtration is carried out to the under test gas before reaching oxygen sensing element, so as to remove under test gas to a greater extent
Cigarette ash or other particulate matters, can preferably avoid cigarette ash or other particulate matters sensitive to the blocking of pipeline or to oxygen
Element damages.Here, filter element 16 can be connected through a screw thread to main pipe 14, such as can be at the end of main pipe 14
Internal screw thread is set in portion, while external screw thread is set on the end of filter element 16 being connected with main pipe 14, from there through
Mutually matched internal screw thread and external screw thread screw filter element 16 on the end fixed to main pipe 14.Certainly, herein may be used
In a manner of being fixedly connected using commonly used in the art other.
Advantageously, the filter element 16 of oxygen analyzer water conservancy diversion probe assembly 10 according to the present invention may include shell and
The intracorporal filter core of shell is set, for example the filter core product of 600 mesh can be used, to influence oxygen analyzer water conservancy diversion to the overwhelming majority
The cigarette ash or particulate matter of probe 10 are filtered.Certainly, other mesh numbers can be used according to the state of measured gas herein
Filter core product.
Oxygen analyzer water conservancy diversion probe assembly 10 according to the present invention further includes the boots that the upstream of filter element 16 is arranged in
Shape air scoop section 18.External under test gas is guided according to a certain direction to filtering list by boot-shaped air scoop section 18
In member 16.Boot-shaped air scoop section 18 can be set into including circular cylindrical circumferential 182, for closing boot-shaped air scoop section 18
The angled end wall 184 of end and the air inlet being oppositely disposed on the circumference of circular cylindrical circumferential 182 with angled end wall 184
186.Can be by preparing cylindrical cylindrical wall, for example be steel pipe, to prepare boot-shaped air scoop section 18, first with relative to
The axis of cylindrical wall cuts the cylindrical wall at the direction of first angle, and is sealed using notch of the plane steel plate to formation
Close, then cylindrical wall and the notch relative to side wall on cut and justify at the direction of second angle with axis with cylindrical wall
The side wall of barrel, second angle can be slightly smaller than first angle, and in the bottom of cylindrical wall along the radial direction of cylindrical wall
It is cut, to form the air inlet 186 of boot-shaped air scoop section 18.
Further, the air inlet 186 formed as described above includes the first side wall 1862 and second sidewall 1864, the first side
Plane where wall 1862 is parallel to the radial direction of circular cylindrical circumferential 182, is as cut along the radial direction of cylindrical wall
It cuts and is formed by side wall, the plane and radial direction where the second sidewall 1864 of air inlet 186 are at the first angle (such as Fig. 2 institute
Show), as side wall is formed by the direction cutting cylinder wall of second angle along the axis with cylindrical wall.Here, advantageously,
First angle is 40 ° -70 °, preferably 65 °.It is arranged in this way, the under test gas introduced by air inlet 186 can be made
Impact filtration unit 16 directly down, or impinged upon in the angled end wall 184 of air scoop section 18 first, then pass through inclination
End wall 184 reflexes to filter element 16, can be by making from the direct or indirect Ground shock waves of the air-flow of air inlet 186 or impinging upon
On the surface of the filter core of filter element 16, to form turbulent flow in air scoop section 18, so as to which filter core table will be deposited on
Cigarette ash or other particulate matters on face take filter element 16 and air scoop section 18 out of, thus prevent cigarette ash or particulate matter pair
The blocking of cartridge surface.The first filtering to gas can be then completed across the gas of filter core.
Boot-shaped air scoop section 18 can be connected through a screw thread to filter element 16, such as can be in boot-shaped air scoop section
It is provided with external screw thread on 18 end, is correspondingly arranged on the end of filter element 16 being connect with boot-shaped air scoop section 18
Internal screw thread realizes the connection of boot-shaped air scoop section 18 and filter element 16 by mutually matched external screw thread and internal screw thread.Into
One step, the pressure ring 162 for compressing the periphery of filter core can be provided between filter element 16 and boot-shaped air scoop section 18.This
Sample can not only prevent from generating between filter element 16 and filter core when screwing filter element 16 and boot-shaped air scoop section 18 tight
Damage is refaced, but also sealing can be provided for the shell of filter core and filter element 16, prevents cigarette ash or particulate matter from passing through filtering
Gap between the filter core and shell of unit 16 enters in main pipe 14.
As depicted in figs. 1 and 2, gas outlet 142 is provided on the side wall of main pipe 14, the oxygen of oxygen amount detection unit 12 is quick
The upstream of gas outlet 142 is arranged in sensing unit.Advantageously, the air inlet 186 of boot-shaped air scoop section 18 and gas outlet 142 at
180 ° are opposed to be arranged, i.e., air inlet 186 is located on the first side of main pipe 14, gas outlet 142 be located at main pipe 14 with
In the second side of side at 180 ° of relationships.Under test gas from gas source by the air inlet 186 of boot-shaped air scoop section 18 into
Enter in oxygen analyzer water conservancy diversion probe assembly 10, primary filter carried out by filter element 16, under test gas by filtering into
In primary conduit 14, secondary mistake is carried out under test gas by the filter assemblies 122 of the oxygen amount detection unit 12 in main pipe 14
Filter.The oxygen sensing element of oxygen amount detection unit 12 is passed through by the under test gas of secondary filter, so that the detection of oxygen amount is completed, with
Gas continues flow further downstream afterwards, and is discharged to oxygen analyzer water conservancy diversion probe by the gas outlet 142 on 14 side wall of main pipe
The outside of component 10.
2 and 3 pairs of main pipes 14 and the connection type of oxygen amount detection unit 12 are illustrated referring to the drawings.It is examined in oxygen amount
It surveys on the outer tube wall of unit 12 and is formed with annular slot 124, main pipe 14 is fastened on card slot 124 by fastening assembly 20.Have
Sharp ground, the fastening assembly 20 include the transition connection portion part 202 being threadedly coupled with main pipe 14 and with transition connection portion part 202
The adapter ring 204 for connecting and cooperating with card slot 124 relatively fixedly.Adapter ring 204 can be by being arranged in adapter ring 204
Jackscrew screw 206 on circumference is fastened on card slot 124.Here, transition connection portion part 202, which can be both ends, is respectively provided with external screw thread
Component, first end can be connected to main pipe 14 by the first external screw thread, and the second end can pass through the second outer spiral shell
Line is connected to adapter ring 204, and internal screw thread has can be set in the end of adapter ring 204 connecting with transition connection portion part 202, than
Half-turn or less internal screw thread can be only set in such as adapter ring 204, so that it is guaranteed that adapter ring 204 has lesser width.
The inner wall for the side of adapter ring 204 cooperated with card slot 124 can be light pipe, and provided circumferentially about in light pipe portion has at least one
Adapter ring 204 is fixed in card slot 124 by a positioning screw hole by the jackscrew screw 206 being screwed in positioning screw hole, thus will
Main pipe 14 is fixed together with oxygen amount detection unit 12.
Oxygen analyzer water conservancy diversion probe assembly 10 according to the present invention can be in oxygen amount detection unit 12 in facilities such as flues
In the case that interior position is relatively fixed, the direction of air inlet 186 is adjusted, allows it to face airintake direction,
That is the direction for enabling to air inlet 186 just to blow perpendicular under test gas.This can be by loosening adapter ring 204
On jackscrew screw 206 loosen the fastening relationships between adapter ring 204 and oxygen amount detection unit 12, then rotate main pipe
14, so that boot-shaped air scoop section 18 be driven to rotate together, the air inlet 186 of boot-shaped air scoop section 18 is adjusted to required
Then angle is fixed adapter ring 204 and oxygen amount detection unit 12 by jackscrew screw 206.
Oxygen analyzer water conservancy diversion probe assembly 10 according to the present invention can be assembled by following steps:
Filter core is put into shell first to form filter element 16, then pressure ring 162 is put into filter element 16, so that
Pressure ring 162 pushes down the outer rim of filter core, and boot-shaped air scoop section 18 is then screwed on filter element 16 (first group formed above
Part).
First assembly is connected on main pipe 14, the external screw thread of filter element 16 and main pipe 14 can be passed through herein
Both internal screw thread connections.During the connection process, it is required that air inlet 186 and gas outlet 142 are at 180 ° of opposite disposed (above shapes
At the second component).
Fastening assembly 20 is connected to the second component, i.e., on one end by the transition connection portion part 202 of fastening assembly 20
External screw thread (third component formed above) both is connect with the internal screw thread in the lower end of main pipe 14.
Oxygen amount detection unit 12 is inserted into main pipe 14 by fastening assembly 20 then, adapter ring 204 is made to be locked on card
In slot 124, and adapter ring 204 is fixed in card slot 124 by jackscrew screw 206.
Finally, oxygen analyzer water conservancy diversion probe assembly 10 according to the present invention is put into progress oxygen amount detection in flue
When, jackscrew screw 206 is unclamped, rotation third component is so that it changes direction, so that air inlet 186 is directed at airintake direction, then
Screw jackscrew screw 206.Transmitter is connected, each operating system of probe assembly is gradually opened, probe assembly is made to enter work
State.
The measurement accuracy of oxygen analyzer water conservancy diversion probe assembly 10 according to the present invention is verified by experiment.Table
1 result to carry out oxygen content measurement to standard oxygen using oxygen analyzer water conservancy diversion probe assembly 10 according to the present invention.Wherein,
1-5 group data are the measured values that the standard oxygen for being 1.02 to oxygen content measures, and 6-10 group data are to be to oxygen content
The measured value that 9.97 standard oxygen measures.From the point of view of the error of following data, oxygen analyzer water conservancy diversion according to the present invention
The measurement result of probe assembly 10 fully meets general measurement of oxygen content requirement.
Table 1
Oxygen analyzer water conservancy diversion probe assembly according to the present invention is by setting boot-shaped air scoop section 18, so that by air inlet
Mouthfuls 186 under test gas entered generate turbulent flow in the end of boot-shaped air scoop section 18 and filter element 16, so as to by heap
Cigarette ash or other particulate matters of the product in the cartridge surface of filter element 16 take boot-shaped air scoop section 18 out of, thus reduce cigarette
Ash gathers, and prevents cigarette ash from resulting in blockage to filter core.Further, pass through the drainage water conservancy diversion classified filtering of special designing, Ke Yixiang
Entrance to the bulky grain cigarette ash for reducing 20%-40% improves the quality of the flue gas of water conservancy diversion entrance, reduces probe assembly mistake
The risk that filter unit is blocked by bulky grain, makes the measurement environment of oxygen sensing element be improved, ensure that oxygen analyzer water conservancy diversion
The normal running conditions of probe assembly, and then improve the service life of water conservancy diversion probe assembly.The present invention can also pass through switching
The adjusting of airintake direction is realized in the cooperation of ring and card slot, to easily facilitate the application of oxygen analyzer water conservancy diversion probe assembly.
For the embodiment of the present invention, it is also necessary to explanation, in the absence of conflict, the embodiment of the present invention and reality
Applying the feature in example can be combined with each other to obtain new embodiment.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is of the invention
Protection scope should be subject to the protection scope in claims.
Claims (11)
1. a kind of oxygen analyzer water conservancy diversion probe assembly, comprising:
Oxygen amount detection unit, the oxygen amount detection unit are used to detect the oxygen content under test gas, the oxygen amount detection unit
Filter assemblies including oxygen sensing element He the upstream that the oxygen sensing element is arranged in；And
Main pipe, the main pipe for guiding under test gas by the oxygen amount detection unit, hold by the oxygen amount detection unit
It sets in the main pipe；
It is characterized in that, the oxygen analyzer water conservancy diversion probe further includes the filter element that the end of the main pipe is arranged in.
2. oxygen analyzer water conservancy diversion probe assembly according to claim 1, which is characterized in that the filter element includes shell
Body and the setting intracorporal filter core of shell.
3. oxygen analyzer water conservancy diversion probe assembly according to claim 2, which is characterized in that the oxygen analyzer water conservancy diversion
Probe further includes the boot-shaped air scoop section that the upstream of the filter element is arranged in.
4. oxygen analyzer water conservancy diversion probe assembly according to claim 3, which is characterized in that the boot-shaped air scoop section
The angled end wall of end including circular cylindrical circumferential, for closing the boot-shaped air scoop section and in the circular cylindrical circumferential
Circumference on the air inlet that is oppositely disposed with the angled end wall.
5. oxygen analyzer water conservancy diversion probe assembly according to claim 4, which is characterized in that the first side of the air inlet
Plane where wall is parallel to the radial direction of the circular cylindrical circumferential, plane and institute where the second sidewall of the air inlet
Radial direction is stated into the first angle.
6. oxygen analyzer water conservancy diversion probe assembly according to claim 5, which is characterized in that first angle is 40 °-
70 °, first angle is preferably 65 °.
7. the oxygen analyzer water conservancy diversion probe assembly according to any one of claim 3-6, which is characterized in that described
The pressure ring for compressing the periphery of the filter core is provided between filter element and the boot-shaped air scoop section.
8. oxygen analyzer water conservancy diversion probe assembly according to claim 1 to 6, which is characterized in that in the master
Gas outlet is provided on the side wall of conduit, the upper of the gas outlet is arranged in the oxygen sensing element of the oxygen amount detection unit
Trip.
9. oxygen analyzer water conservancy diversion probe assembly according to claim 1 to 6, which is characterized in that in the oxygen
Card slot is formed on the bearing tube wall of amount detection unit, the main pipe is fastened on the card slot by fastening assembly.
10. oxygen analyzer water conservancy diversion probe assembly according to claim 9, which is characterized in that the fastening assembly includes
The transition connection portion part that is threadedly coupled with the main pipe and it is opposite with the transition connection portion part it is fixed connect and with
The adapter ring of the card slot cooperation.
11. oxygen analyzer water conservancy diversion probe assembly according to claim 10, which is characterized in that the adapter ring is by setting
It sets and is screw fastening on the card slot in the jackscrew on the circumference of adapter ring.
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1981001882A1 (en) * | 1979-12-27 | 1981-07-09 | Fuji Electric Co Ltd | Oxygen gas analyzer |
| CN85102813A (en) * | 1985-04-15 | 1986-10-15 | 中国原子能科学研究院 | Direct-insert type diversion oxigen content meter with chromium oxide used in industrial furnace |
| CN201707248U (en) * | 2010-05-25 | 2011-01-12 | 西安聚能仪器有限公司 | Novel gas sampler |
| CN201993256U (en) * | 2011-01-27 | 2011-09-28 | 武汉市天虹仪表有限责任公司 | Collecting tube of smoke gun |
| CN102759556A (en) * | 2012-07-04 | 2012-10-31 | 北京首仪华强电子设备有限公司 | Explosion-proof-type zirconia probe |
| CN103513053A (en) * | 2012-06-29 | 2014-01-15 | 中国科学院大连化学物理研究所 | Device for synchronously adjusting direction of pitot tube sampling hole and sampling gun in rotating mode |
| CN204514889U (en) * | 2015-02-25 | 2015-07-29 | 河南华润电力古城有限公司 | Oxygen amount meter anti-block apparatus |
| CN205643314U (en) * | 2016-05-27 | 2016-10-12 | 重庆川然节能技术有限公司 | Gaseous composition sensor probe of integrated form and detection structure |
| CN206945666U (en) * | 2017-07-22 | 2018-01-30 | 无锡市万周仪器仪表有限公司 | Waste incineration tailored version Oxygen Measuring Instrument |
| CN207556217U (en) * | 2017-11-10 | 2018-06-29 | 重庆市贵金象炭黑有限责任公司 | It is a kind of to angle air inlet pipe |
| CN207798498U (en) * | 2017-12-28 | 2018-08-31 | 中兴仪器（深圳）有限公司 | A kind of flue gas water conservancy diversion sampler |
| CN208239132U (en) * | 2018-06-19 | 2018-12-14 | 薛骁 | A kind of smoke dust sampling gun |
| CN208588695U (en) * | 2018-08-14 | 2019-03-08 | 江苏智瑞科技有限公司 | A kind of explosion-proof type Oxygen Measuring Instrument |
| CN208705268U (en) * | 2018-06-13 | 2019-04-05 | 广东海沃森科创自动化有限公司 | A kind of High-temperature-reszirconium zirconium oxide oxygen analyzer |
-
2019
- 2019-08-02 CN CN201910715268.6A patent/CN110308022B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1981001882A1 (en) * | 1979-12-27 | 1981-07-09 | Fuji Electric Co Ltd | Oxygen gas analyzer |
| CN85102813A (en) * | 1985-04-15 | 1986-10-15 | 中国原子能科学研究院 | Direct-insert type diversion oxigen content meter with chromium oxide used in industrial furnace |
| CN201707248U (en) * | 2010-05-25 | 2011-01-12 | 西安聚能仪器有限公司 | Novel gas sampler |
| CN201993256U (en) * | 2011-01-27 | 2011-09-28 | 武汉市天虹仪表有限责任公司 | Collecting tube of smoke gun |
| CN103513053A (en) * | 2012-06-29 | 2014-01-15 | 中国科学院大连化学物理研究所 | Device for synchronously adjusting direction of pitot tube sampling hole and sampling gun in rotating mode |
| CN102759556A (en) * | 2012-07-04 | 2012-10-31 | 北京首仪华强电子设备有限公司 | Explosion-proof-type zirconia probe |
| CN204514889U (en) * | 2015-02-25 | 2015-07-29 | 河南华润电力古城有限公司 | Oxygen amount meter anti-block apparatus |
| CN205643314U (en) * | 2016-05-27 | 2016-10-12 | 重庆川然节能技术有限公司 | Gaseous composition sensor probe of integrated form and detection structure |
| CN206945666U (en) * | 2017-07-22 | 2018-01-30 | 无锡市万周仪器仪表有限公司 | Waste incineration tailored version Oxygen Measuring Instrument |
| CN207556217U (en) * | 2017-11-10 | 2018-06-29 | 重庆市贵金象炭黑有限责任公司 | It is a kind of to angle air inlet pipe |
| CN207798498U (en) * | 2017-12-28 | 2018-08-31 | 中兴仪器（深圳）有限公司 | A kind of flue gas water conservancy diversion sampler |
| CN208705268U (en) * | 2018-06-13 | 2019-04-05 | 广东海沃森科创自动化有限公司 | A kind of High-temperature-reszirconium zirconium oxide oxygen analyzer |
| CN208239132U (en) * | 2018-06-19 | 2018-12-14 | 薛骁 | A kind of smoke dust sampling gun |
| CN208588695U (en) * | 2018-08-14 | 2019-03-08 | 江苏智瑞科技有限公司 | A kind of explosion-proof type Oxygen Measuring Instrument |
Non-Patent Citations (1)
| Title |
|---|
| 西安热工研究院: "《火电厂SCR烟气脱硝技术》", 31 January 2013, 中国电力出版社 * |
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