CN208076245U - Boiler system and its NOX measure sampler - Google Patents
Boiler system and its NOX measure sampler Download PDFInfo
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- CN208076245U CN208076245U CN201820710202.9U CN201820710202U CN208076245U CN 208076245 U CN208076245 U CN 208076245U CN 201820710202 U CN201820710202 U CN 201820710202U CN 208076245 U CN208076245 U CN 208076245U
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- flue
- nox
- switch valve
- thief hole
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Abstract
The utility model discloses a kind of boiler systems and its NOX to measure sampler.The NOX measures sampler：Multiple first probe tubes, multiple first probe tubes are arranged at interval along preset direction, and the first end of each first probe tube is opened wide to form the first thief hole, and each first probe tube is equipped with multiple second thief holes；Collecting pipe, the collecting pipe are connected with the second end of each first probe tube；Mixing tube, the first end of the mixing tube are connected with the collecting pipe, and the mixing tube is equipped with third thief hole；With the second probe tube, second probe tube is connected with the third thief hole.According to the NOX of the utility model embodiment measure sampler have many advantages, such as NOX measure it is accurate, stablize, eliminate the phenomenon that the NOx measurement of the NOx measurement of the outlet of desulfurizer and the outlet of the Benitration reactor is hung upside down.
Description
Technical field
The utility model is related to energy fields, and in particular, to NOX measures sampler, further relates to that there is the NOX to measure
The boiler system of sampler.
Background technology
The NOX of boiler system in the related technology, which is measured, has inaccurate defect.
Utility model content
The purpose of this utility model is to overcome problem of the existing technology, boiler system is provided and its NOX is measured
Sampler, which, which measures sampler, can accurately carry out NOX measurements.
To achieve the goals above, the utility model first aspect provides a kind of NOX measurements sampler, and the NOX is surveyed
Measuring sampling device includes：Multiple first probe tubes, multiple first probe tubes are arranged at interval along preset direction, Mei Gesuo
The first end for stating the first probe tube is opened wide to form the first thief hole, and each first probe tube takes equipped with multiple second
Sample hole；Collecting pipe, the collecting pipe are connected with the second end of each first probe tube；Mixing tube, the of the mixing tube
One end is connected with the collecting pipe, and the mixing tube is equipped with third thief hole；With the second probe tube, second probe tube with
The third thief hole is connected.
NOX according to the present utility model, which measures sampler, to be had the advantages that NOX measurements are accurate, stablizes, and desulfurization dress is eliminated
The NOx measurement for the outlet the set phenomenon projecting with the NOx measurement of the outlet of the Benitration reactor.
Preferably, each first probe tube is equipped with multiple first diversion pipes, the length of each first diversion pipe
Spend length direction of the direction perpendicular to first probe tube, the interior edge of plurality of first diversion pipe correspondingly with
The edge of multiple second thief holes is concordant or the interior edge of multiple first diversion pipes is located at multiple institutes correspondingly
State the outside at the edge of the second thief hole.
Preferably, the NOX measures sampler and further comprises：Multiple elbows, the first end one of multiple elbows
One is accordingly connected with the first end of first probe tube；With multiple second diversion pipes, the of multiple second diversion pipes
One end is connected with the second end of multiple elbows correspondingly, and the length direction of each second diversion pipe is perpendicular to institute
State the length direction of the first probe tube.
Preferably, the NOX measures sampler and further comprises：First switch valve and second switch valve, described first
Switch valve and the second switch valve are located on the mixing tube, and the third thief hole is located at the first switch valve and described
Between second switch valve, the first switch valve is between the third thief hole and the first end of the mixing tube；First
The first end of scavenging conduit, first scavenging conduit is connected with the mixing tube, and the first end of first scavenging conduit is positioned at described
Between the first end of mixing tube and the first switch valve, first scavenging conduit is equipped with third switch valve；Second scavenging conduit,
The first end of second scavenging conduit is connected with the mixing tube, the second switch valve be located at the third thief hole with it is described
Between the first end of second scavenging conduit, second scavenging conduit is equipped with the 4th switch valve；With third scavenging conduit, the third is blown
The first end for sweeping pipe is connected to each in the second end of first scavenging conduit and the second end of second scavenging conduit, institute
It states third scavenging conduit and is equipped with the 5th switch valve.
The utility model second aspect provides boiler system, and the boiler system includes：Boiler and Benitration reactor；First
The first end of flue and the second flue, first flue is connected with the outlet flue of the boiler, and the second of first flue
End is connected with the smoke inlet of the Benitration reactor, the first end of second flue and the outlet flue phase of the Benitration reactor
Even, second flue has horizontal segment；And NOX measures sampler, it is according to this practicality that the NOX, which measures sampler,
NOX described in novel first aspect measures sampler, and the NOX measures at least the one of the first probe tube of each of sampler
Part is extend into the horizontal segment, and the first thief hole and each second thief hole of each first probe tube are positioned at described
In horizontal segment.
It is accurate, stable that boiler system according to the present utility model has the advantages that NOX is measured, and eliminates the outlet of desulfurizer
NOx measurement and the Benitration reactor outlet the projecting phenomenon of NOx measurement.
Preferably, there is the horizontal segment flat part, a part for each first probe tube to extend into the flat part,
The first thief hole and each second thief hole of each first probe tube are located in the flat part.
Preferably, first far from second flue of the opening of each second thief hole towards the flat part
The end at end.
Preferably, the first end of neighbouring second flue of the direction flat part of each first probe tube
The outer surface of end is equipped with wearing layer.
Preferably, the boiler system further comprises：Air preheater, second end and the sky of second flue
The high-temperature flue gas import of air preheater is connected；With third flue, first end and the air preheater of the third flue
Low-temperature flue gas outlet is connected, wherein the second end that the NOX measures the mixing tube of sampler is connected with the third flue.
Preferably, the mixing tube includes：First level sub- pipe, first end and the NOX of the sub- pipe of first level
The collecting pipe for measuring sampler is connected, and the third thief hole that the NOX measures sampler is located at the first level pipe
On；The upper end of vertical son pipe, the vertical sub- pipe is connected with the second end of the sub- pipe of the first level, the vertical sub- Guan Shangshe
There is type metal expansion joint；With the second horizontal son pipe, the first end of the described second horizontal sub- pipe is connected with the lower end of the vertical sub- pipe,
The second end of described second horizontal sub- pipe is connected with the third flue, and the described second horizontal sub- pipe is equipped with type metal expansion joint.
Description of the drawings
Fig. 1 is the partial structural diagram according to the boiler system of the utility model embodiment；
Fig. 2 is the structural schematic diagram according to the first probe tube of the boiler system of the utility model embodiment；
Fig. 3 is the partial structural diagram according to the boiler system of the utility model embodiment；
Fig. 4 is the partial structural diagram according to the boiler system of the utility model embodiment.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and should not be understood as new to this practicality
The limitation of type.
Below with reference to the accompanying drawings boiler system 1 according to the utility model embodiment is described.As Figure 1-Figure 4, according to this
The boiler system 1 of utility model embodiment includes that boiler, Benitration reactor, the first flue, the second flue 20 and NOX measure sampling
Device 10.
The first end of first flue is connected with the outlet flue of the boiler, the second end of first flue and the denitration reaction
The smoke inlet of device is connected.The first end of second flue 20 is connected with the outlet flue of the Benitration reactor, and the second flue 20 has water
Flat section 210.
It includes multiple first probe tubes 110, collecting pipe to measure sampler 10 according to the NOX of the utility model embodiment
120, mixing tube 130 and the second probe tube 140.Multiple first probe tubes 110 are arranged at interval along preset direction, and each first
The first end of probe tube 110 is opened wide to form the first thief hole 111, and each first probe tube 110 takes equipped with multiple second
Sample hole.Collecting pipe 120 is connected with the second end of each first probe tube 110.The first end of mixing tube 130 and 120 phase of collecting pipe
Even, mixing tube 130 is equipped with third thief hole.Second probe tube 140 is connected with third thief hole.
Wherein, at least part of first probe tube 110 of each of NOX measurements sampler 10 extend into horizontal segment 210
Interior, the first thief hole 111 and each second thief hole of each first probe tube 110 are located in horizontal segment 210.
According to the boiler system 1 of the utility model embodiment by making at least part of each first probe tube 110 stretch
Enter into horizontal segment 210, so as to be sampled in the region that flue gas flow field is stablized.
According to the boiler system 1 of the utility model embodiment by multiple first probe tubes 110 being arranged and each first takes
Sample pipe 110 is equipped with multiple thief holes, so as to ensure to sample the reliability and representativeness of flue gas (sample gas).
Moreover, measuring sampler 10 by the way that mixing tube is arranged according to the boiler system 1 and NOX of the utility model embodiment
130, so as to so that the sampling flue gas obtained by multiple first probe tubes 110 is sufficiently mixed, so as to steadily, reliably
The concentration of ground, the continuously NOX of the flue gas after measurement denitration.
Therefore, measuring sampler 10 according to the boiler system of the utility model embodiment 1 and NOX, there is NOX to measure standard
Really, the advantages that stablizing, the NOx measurement for eliminating the NOx measurement of the outlet of desulfurizer and the outlet of the Benitration reactor falls
The phenomenon that extension.
Wherein, NOX measurements refer to：Measure the concentration of the NOX of the flue gas after denitration；NOx measurement refers to：That measures is de-
The concentration value of the NOX of flue gas after nitre.
As Figure 1-Figure 4, in some embodiments of the utility model, boiler system 1 may include that boiler, denitration are anti-
Device, the first flue, the second flue 20, NOX is answered to measure sampler 10, air preheater and third flue 40.
Second flue 20 can have horizontal segment 210.Preferably, as shown in Figure 1, horizontal segment 210 can have flat part
211.It is further preferred that horizontal segment 210 can be straightly, i.e., horizontal segment 210 can not have bending part.
It may include multiple first probe tubes 110, collecting pipe 120, mixing tube 130 and second that NOX, which measures sampler 10,
Probe tube 140.Multiple first probe tubes 110 can be at interval located at along the length direction of horizontal segment 210 on horizontal segment 210,
I.e. multiple first probe tubes 110 can be at interval arranged along the flow direction of flue gas.A part for each first probe tube 110
It can extend into horizontal segment 210.Wherein, the length direction of horizontal segment 210 is as shown in the arrow A in Fig. 1.
The first end (such as lower end) of each first probe tube 110 can open wide to form the first thief hole 111, each
Multiple second thief holes can be equipped on first probe tube 110, multiple second thief holes can along the vertical direction at interval
Setting.The first thief hole 111 and each second thief hole of each first probe tube 110 each may lie in horizontal segment 210.On
Lower direction is as indicated by arrow b in fig. 1.
As illustrated in fig. 1, it is preferred that a part of of each first probe tube 110 can extend into flat part 211, each
The first thief hole 111 and each second thief hole of first probe tube 110 can be located in flat part 211.Thus each
One probe tube 110 can be sampled in the more stable region of flue gas flow field.
As shown in Fig. 2, can be equipped in one embodiment of the utility model, on each first probe tube 110 multiple
The length direction of first diversion pipe 151, each first diversion pipe 151 can be perpendicular to the length direction of the first probe tube 110.Tool
Body, the length direction of each first diversion pipe 151 can be consistent with the length direction of horizontal segment 210.
Multiple first diversion pipes 151 it is interior along can it is concordant with multiple edges of second thief hole correspondingly or
The interior outside along the edge that can be located at multiple second thief holes correspondingly of multiple first diversion pipes 151, to make
First diversion pipe 151 is connected to second thief hole.It second is taken that is, the quantity of the first diversion pipe 151 can be equal to this
The quantity in sample hole, first diversion pipe 151 it is interior along can be concordant with the edge of second thief hole or one
The interior outside along the edge that can be located at second thief hole of one diversion pipe 151.
Thus the flue gas in horizontal segment 210 can pass sequentially through the first diversion pipe 151 and second thief hole enters the
In one probe tube 110.By the way that multiple first diversion pipes with the cooperation of multiple second thief holes are arranged on the first probe tube 110
151, it is entered in the first probe tube 110 to be conducive to the flue gas in horizontal segment 210.Specifically, each first diversion pipe 151
It can be welded on the first probe tube 110.
As shown in Fig. 2, it can also include multiple elbows 152 and multiple second diversion pipes 153 that NOX, which measures sampler 10,.
The first end of multiple elbows 152 is connected with the first end of multiple first probe tubes 110 correspondingly.Multiple second diversion pipes
153 first end is connected with the second end of multiple elbows 152 correspondingly.Wherein, the length side of each second diversion pipe 153
To the length direction perpendicular to the first probe tube 110, i.e. the length direction of each second diversion pipe 153 can be with horizontal segment 210
Length direction it is consistent.
That is, the quantity of the quantity of the first probe tube 110, the quantity of elbow 152 and the second diversion pipe 153 can be with that
This is equal, and the first end of an elbow 152 can be connected with the first end of first probe tube 110, and the of an elbow 152
Two ends can be connected with the first end of second diversion pipe 153.By the way that the elbow 152 being connected with the first probe tube 110 is arranged
And the second diversion pipe 153 being connected with elbow 152, enter the first probe tube to be conducive to the flue gas in horizontal segment 210
In 110.
Preferably, as shown in figure 3, the opening of each second thief hole towards flat part 211 far from the second flue 20
First end end.Wherein, the end of the first end far from the second flue 20 of flat part 211 refers to：Flat part 211
The end of first end far from the second flue 20 on the extending direction of second flue 20.In other words, separate the second of flat part 211
The end of the first end of flue 20 refers to：The first end in the flow direction of the flue gas far from the second flue 20 of flat part 211
End.
Thus the flow direction for the flue gas that the opening of each second thief hole can be in the second flue 20, so as to
To prevent the flue gas in the second flue 20 from pouring into the first probe tube 110, to control the cigarette entered in the first probe tube 110
The flow of gas.
As shown in figure 3, the first end of neighbouring second flue 20 towards flat part 211 of each first probe tube 110
Wearing layer 30 can be equipped on the outer surface of end.Wherein, the end of the first end of neighbouring second flue 20 of flat part 211 is
Refer to：The end of the first end of neighbouring second flue 20 on the extending direction of the second flue 20 of flat part 211.In other words, it puts down
The end of the first end of neighbouring second flue 20 in straight portion 211 refers to：Flat part 211 in the flow direction of the flue gas adjacent to
The end of the first end of two flues 20.
Thus the outer surface of each first probe tube 110 can be towards the flow direction of the flue gas in the second flue 20.
By the way that wearing layer 30 is arranged on the outer surface of each first probe tube 110, so as to prevent the first probe tube 110 by the
Flue gas abrasion in two flues 20 measures the service life of sampler 10 so as to improve the first probe tube 110 and NOX.
Specifically, the end of the first end of neighbouring second flue 20 of flat part 211 can be the left end of flat part 211
The end in portion, the first end far from the second flue 20 of flat part 211 can be the right part of flat part 211.Wherein, right and left
To as shown in the arrow C in Fig. 1.
As shown in Figure 1, collecting pipe 120 can be connected with the second end of each first probe tube 110.Thus it multiple first takes
Sampling flue gas in sample pipe 110 can be pooled in collecting pipe 120, and tentatively be mixed in collecting pipe 120.Mixing tube 130
First end is connected with collecting pipe 120, and mixing tube 130 is equipped with third thief hole.Second probe tube 140 and the third thief hole phase
Even.
In some examples of the utility model, as shown in Figure 1, NOX, which measures sampler 10, may further include the
One scavenging conduit 171, the second scavenging conduit 172, first switch valve 161, second switch valve 162 and third scavenging conduit 173.
First switch valve 161 and second switch valve 162 can be located on mixing tube 130, which can be located at
Between first switch valve 161 and second switch valve 162.The third thief hole is located at first switch valve 161 and second switch valve 162
Between refer to：The third thief hole is located at first switch valve 161 and second on the length direction (extending direction) of mixing tube 130
Between switch valve 162.Following similar description method can understand in this manner.First switch valve 161 can be located at should
Between third thief hole and the first end of mixing tube 130.
The first end of first scavenging conduit 171 can be connected with mixing tube 130, and the first end of the first scavenging conduit 171 can position
Between the first end and first switch valve 161 of mixing tube 130, third switch valve 163 can be equipped on the first scavenging conduit 171.
The first end of second scavenging conduit 172 can be connected with mixing tube 130, second switch valve 162 can be located at the third thief hole with
Between the first end of second scavenging conduit 172, the 4th switch valve 164 can be equipped on the second scavenging conduit 172.Third scavenging conduit 173
First end can be connected to each in the second end of the first scavenging conduit 171 and the second end of the second scavenging conduit 172, third
The 5th switch valve 165 can be equipped on scavenging conduit 173.
When being sampled to the flue gas in the second flue 20 using NOX measurement samplers 10, first can be opened and opened
It closes valve 161 and closes second switch valve 162, third switch valve 163, the 4th switch valve 164 and the 5th switch valve 165.
When needing to take to a part (upstream portion of first switch valve 161) for mixing tube 130, collecting pipe 120 and first
When sample pipe 110 is purged, the 5th switch valve 165 and third switch valve 163 can be opened and close first switch valve 161, the
Two switch valves 162 and the 4th switch valve 164, so that purge gass can be entered by third scavenging conduit 173 and the first scavenging conduit 171
Into the part of mixing tube 130, collecting pipe 120 and each first probe tube 110.
When needing another part (downstream part of second switch valve 162) to mixing tube 130 to purge, can beat
It opens the 5th switch valve 165 and the 4th switch valve 164 and closes first switch valve 161, second switch valve 162 and third switch valve
163, so that purge gass can enter the another part of mixing tube 130 by third scavenging conduit 173 and the second scavenging conduit 172
It is interior.
As shown in figure 4, the second end of the second flue 20 can be connected with the high-temperature flue gas import of the air preheater, third
The first end of flue 40 can be exported with the low-temperature flue gas of the air preheater be connected, and the second end of mixing tube 130 can be with the
Three flues 40 are connected.Thus the sampling flue gas can be discharged into third flue 40.
In an example of the utility model, as shown in figure 4, mixing tube 130 may include the sub- pipe 131 of first level,
132 and second horizontal sub- pipe 133 of vertical sub- pipe.The first end of the sub- pipe of first level 131 can be connected with collecting pipe 120, this
Three thief holes can be located on the sub- pipe of first level 131, and first switch valve 161 and second switch valve 162 can also be located at first
On horizontal sub- pipe 131.
The upper end of vertical sub- pipe 132 can be connected with the second end of the sub- pipe of first level 131, vertically can be on sub- pipe 132
Equipped with type metal expansion joint 50.The first end of second horizontal sub- pipe 133 can be connected with the lower end of vertical sub- pipe 132, and second is horizontal
The second end of sub- pipe 133 can be connected with third flue 40, and type metal expansion joint 50 can be equipped on the second horizontal sub- pipe 133.By
This can make the structure of boiler system 1 more reasonable.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on ... shown in the drawings
Or position relationship, be merely for convenience of describing the present invention and simplifying the description, do not indicate or imply the indicated device or
Element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the utility model
System.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be
Mechanical connection can also be electrical connection or can communicate each other；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, can be the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature is "above" or "below" second feature
Can be that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature and be directly above or diagonally above the second feature, or only
Indicate that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combines and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (10)
1. a kind of NOX measures sampler, which is characterized in that including：
Multiple first probe tubes, multiple first probe tubes are arranged at interval along preset direction, each first sampling
The first end of pipe is opened wide to form the first thief hole, and each first probe tube is equipped with multiple second thief holes；
Collecting pipe, the collecting pipe are connected with the second end of each first probe tube；
Mixing tube, the first end of the mixing tube are connected with the collecting pipe, and the mixing tube is equipped with third thief hole；With
Second probe tube, second probe tube are connected with the third thief hole.
2. NOX according to claim 1 measures sampler, which is characterized in that each first probe tube is equipped with
Multiple first diversion pipes, the length direction of each first diversion pipe perpendicular to first probe tube length direction,
In multiple first diversion pipes interior edge is concordant with multiple edges of second thief hole correspondingly or multiple institutes
The interior edge of the first diversion pipe is stated correspondingly positioned at the outside at the edge of multiple second thief holes.
3. NOX according to claim 1 measures sampler, which is characterized in that further comprise：
The first end of multiple elbows, multiple elbows is connected with the first end of first probe tube correspondingly；With
Multiple second diversion pipes, the first ends of the multiple second diversion pipes second end with multiple elbows correspondingly
It is connected, each length direction of the length direction of second diversion pipe perpendicular to first probe tube.
4. NOX according to claim 1 measures sampler, which is characterized in that further comprise：
First switch valve and second switch valve, the first switch valve and the second switch valve are located on the mixing tube, institute
Third thief hole is stated between the first switch valve and the second switch valve, the first switch valve is located at the third
Between thief hole and the first end of the mixing tube；
The first end of first scavenging conduit, first scavenging conduit is connected with the mixing tube, the first end of first scavenging conduit
Between the first end and the first switch valve of the mixing tube, first scavenging conduit is equipped with third switch valve；
The first end of second scavenging conduit, second scavenging conduit is connected with the mixing tube, and the second switch valve is located at described
Between third thief hole and the first end of second scavenging conduit, second scavenging conduit is equipped with the 4th switch valve；With
Third scavenging conduit, second end and second scavenging conduit of the first end of the third scavenging conduit with first scavenging conduit
Second end in each connection, the third scavenging conduit be equipped with the 5th switch valve.
5. a kind of boiler system, which is characterized in that including：
Boiler and Benitration reactor；
The first end of first flue and the second flue, first flue is connected with the outlet flue of the boiler, first cigarette
The second end in road is connected with the smoke inlet of the Benitration reactor, first end and the Benitration reactor of second flue
Outlet flue is connected, and second flue has horizontal segment；And
NOX measures sampler, and it is that the NOX according to any one of claim 1-4 is measured that the NOX, which measures sampler,
Sampler, at least part that the NOX measures the first probe tube of each of sampler are extend into the horizontal segment, often
The first thief hole and each second thief hole of a first probe tube are located in the horizontal segment.
6. boiler system according to claim 5, which is characterized in that the horizontal segment has flat part, and each first takes
A part for sample pipe is extend into the flat part, the first thief hole and each second thief hole of each first probe tube
In the flat part.
7. boiler system according to claim 6, which is characterized in that the opening of each second thief hole is described in
The end of the first end far from second flue of flat part.
8. boiler system according to claim 7, which is characterized in that the direction of each first probe tube is described straight
The outer surface of the end of the first end of neighbouring second flue in portion is equipped with wearing layer.
9. boiler system according to claim 5, which is characterized in that further comprise：
The second end of air preheater, second flue is connected with the high-temperature flue gas import of the air preheater；With
The first end of third flue, the third flue is connected with the outlet of the low-temperature flue gas of the air preheater, wherein described
The second end that NOX measures the mixing tube of sampler is connected with the third flue.
10. boiler system according to claim 9, which is characterized in that the mixing tube includes：
The first end of first level sub- pipe, the sub- pipe of first level is connected with the collecting pipe of NOX measurement samplers, institute
The third thief hole for stating NOX measurement samplers is located on the sub- pipe of the first level；
The upper end of vertical son pipe, the vertical sub- pipe is connected with the second end of the sub- pipe of the first level, on the vertical sub- pipe
Equipped with type metal expansion joint；With
Second horizontal son pipe, the first end of the described second horizontal sub- pipe are connected with the lower end of the vertical sub- pipe, second water
The second end for putting down sub- pipe is connected with the third flue, and the described second horizontal sub- pipe is equipped with type metal expansion joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820710202.9U CN208076245U (en) | 2018-05-11 | 2018-05-11 | Boiler system and its NOX measure sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820710202.9U CN208076245U (en) | 2018-05-11 | 2018-05-11 | Boiler system and its NOX measure sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208076245U true CN208076245U (en) | 2018-11-09 |
Family
ID=64045892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820710202.9U Active CN208076245U (en) | 2018-05-11 | 2018-05-11 | Boiler system and its NOX measure sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208076245U (en) |
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2018
- 2018-05-11 CN CN201820710202.9U patent/CN208076245U/en active Active
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Address after: 100011 Shenhua building, 22 West Binhe Road, Dongcheng District, Beijing Patentee after: China Shenhua Energy Co.,Ltd. Patentee after: National Energy Group Guohua Power Co.,Ltd. Patentee after: Guoneng Guohua (Beijing) Electric Power Research Institute Co.,Ltd. Address before: 100011 Shenhua building, 22 West Binhe Road, Dongcheng District, Beijing Patentee before: China Shenhua Energy Co.,Ltd. Patentee before: BEIJING GUOHUA POWER Co.,Ltd. Patentee before: Shenhua Guohua (Beijing) Electric Power Research Institute Co.,Ltd. |