CN205826374U - Pressure sampler and pressure gauge for boiler furnace - Google Patents
Pressure sampler and pressure gauge for boiler furnace Download PDFInfo
- Publication number
- CN205826374U CN205826374U CN201620802137.3U CN201620802137U CN205826374U CN 205826374 U CN205826374 U CN 205826374U CN 201620802137 U CN201620802137 U CN 201620802137U CN 205826374 U CN205826374 U CN 205826374U
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- CN
- China
- Prior art keywords
- pressure
- boiler furnace
- probe tube
- sampler
- pressure sampler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000000523 sample Substances 0.000 claims abstract description 62
- 238000004140 cleaning Methods 0.000 claims abstract description 40
- 239000000428 dust Substances 0.000 abstract description 8
- 238000013517 stratification Methods 0.000 abstract description 8
- 230000000903 blocking effect Effects 0.000 abstract description 6
- 238000009530 blood pressure measurement Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
This utility model relates to the field of pressure measurement of boiler furnace, disclosing a kind of pressure sampler for boiler furnace and pressure gauge, described pressure sampler includes the probe tube (10) for connecting with described boiler furnace and is arranged on described pressure sampler and for aspirating air to clean the cleaning hole (30) of described probe tube (10) inwall to described probe tube (10).In this utility model, owing to cleaning the setting in hole, it is thus possible to aspirate air in probe tube by this cleaning hole, thus reach the purpose to probe tube inwall cleaning, the dust stratification situation in pressure sampler can also be observed by this cleaning hole simultaneously, be conducive to finding in time dust stratification and the blocking of pressure sampler.
Description
Technical field
This utility model relates to the pressure measxurement of boiler furnace, in particular it relates to a kind of pressure for boiler furnace takes
Sample device and pressure gauge.
Background technology
In the operation of boiler, it is contemplated that safety problem, it is (general that the pressure in boiler furnace typically should maintain tiny structure
For-60pa~-100pa) state, because if the pressure in boiler furnace is malleation, then can cause the high-temperature flue gas in burner hearth
Ejection burner hearth burns out furnace wall and heat-insulation layer, but also the safety of entail dangers to operator.Therefore, in order to make the pressure in boiler furnace
Power is always tiny structure, needs to measure in real time the pressure in boiler furnace.
At present, prior art generally takes out the pressure in boiler furnace by pressure sampler, then this pressure is entered
Row is measured.Usually, described pressure sampler includes hollow probe tube, and described hollow probe tube is for pressure transducer even
Connecing, one end of described hollow probe tube connects with boiler furnace, and the other end of described hollow probe tube is used for attendant's centering
Checking in empty probe tube and clear up, wherein, in order to ensure the accuracy measured, in running, hollow probe tube leads to
Often it is in closed state.It is to say, the pressure condition in boiler furnace is passed to by the effect of described pressure sampler exactly
Pressure transducer.
But, owing to hollow probe tube is in closed state (namely in boiler running process) under normal circumstances, because of
This is in operation owing to the change of burner hearth internal-combustion situation often results in that sampler inwall is dirty and hollow probe tube stifled
Plug, so must periodically be opened probe tube and check and clear up, bring bigger to plant maintenance personnel by attendant
Manpower consumption, and hollow probe tube blocking by cause furnace pressure measure and protection system malfunctioning, serious threat boiler
Burner hearth safety, easily causes furnace implosion, outer quick-fried accident.
Utility model content
The purpose of this utility model is to provide a kind of pressure sampler for boiler furnace and pressure gauge, should
Pressure sampler can in boiler running process automated cleaning.
To achieve these goals, this utility model provides a kind of pressure sampler for boiler furnace, and this pressure takes
Sample device includes the probe tube for connecting with described boiler furnace and is arranged on described pressure sampler and for described
Probe tube suction air is to clean the cleaning hole of described probe tube inwall.
Preferably, described cleaning hole is arranged on the tube wall of described probe tube.
Preferably, the first end of described probe tube is for connecting with described boiler furnace, and the second end of described probe tube sets
It is equipped with closure.
Preferably, dismountable described second end being arranged on described probe tube of described closure.
Preferably, described probe tube includes VERTICAL TUBE portion and is at an angle of the tipping tube portion of setting with described VERTICAL TUBE portion;
First end in described VERTICAL TUBE portion is for connecting with described boiler furnace, and second end in described VERTICAL TUBE portion is provided with described envelope
Stifled;First end in described tipping tube portion connects with described VERTICAL TUBE portion, and second end in described tipping tube portion is used for connecting pressure and passes
Sensor.
Preferably, described closure setting is run through along the axis direction in described VERTICAL TUBE portion in described cleaning hole.
Preferably, the central axis in described cleaning hole and the central axes of described closure.
Preferably, the aperture in described cleaning hole is 1-2mm.
This utility model also provides for a kind of pressure gauge for boiler furnace, and described pressure gauge includes institute
State pressure sampler and the pressure transducer being connected with described pressure sampler.
In this utility model, in the running of boiler, owing to boiler furnace is in micro-vacuum state, such that it is able to
Utilizing the tiny structure in boiler furnace to form gas channel, the air outside such boiler will be pumped to probe tube by cleaning hole
In, thus reach the purpose to probe tube inwall cleaning, it is to avoid easily occur that sampler inwall is dirty present in prior art
The problem that dirty and probe tube blocks, can also observe the dust stratification situation in pressure sampler by this cleaning hole simultaneously, be conducive to
Find dust stratification and the blocking of pressure sampler in time.
Other features and advantages of the utility model will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to offer and is further appreciated by of the present utility model, and constitutes a part for description, with following
Detailed description of the invention be used for explaining this utility model together, but be not intended that restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the pressure sampler that detailed description of the invention of the present utility model provides.
Fig. 2 is the top view of the closure of the pressure sampler shown in Fig. 1.
Fig. 3 is the front view of the closure of the pressure sampler shown in Fig. 1.
Description of reference numerals
10: probe tube;11: VERTICAL TUBE portion;
12: tipping tube portion;20: closure.
30: cleaning hole;
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.It should be appreciated that herein
Described detailed description of the invention is merely to illustrate and explains this utility model, is not limited to this utility model.
In this utility model, in the case of illustrating on the contrary, the noun of locality of use such as " upper and lower, left and right " is usual
Refer to reference to upper and lower, left and right shown in the drawings;It is inside and outside that " inside and outside " refers to relative to the profile of each parts itself.
Easily occur that sampler inwall is dirty and hollow samples pipe plug based on what pressure sampler of the prior art existed
Plug problem, this utility model provide a kind of pressure sampler for boiler furnace that can solve the problem that above-mentioned technical problem and
Pressure gauge, is described in detail this pressure sampler hereinafter with reference to accompanying drawing.
Suitably with reference to Fig. 1, the pressure sampler for boiler furnace that detailed description of the invention of the present utility model provides
Including the probe tube 10 for connecting with boiler furnace and be arranged on pressure sampler and for aspirating sky to probe tube 10
Gas is to clean the cleaning hole 30 of probe tube 10 inwall.
In this utility model, can be by one end of probe tube 10 be connected with boiler furnace such that it is able to lead in real time
Pressure condition in boiler is passed to pressure transducer by over sampling pipe 10, and then can understand the force value in boiler in real time also
The pressure in boiler is made to maintain micro-vacuum state (that is, force value is generally-60pa~-100pa).It should be noted that be
The pressure condition in burner hearth can be reacted as far as possible, it is preferable that it is flat that probe tube 10 should be tried one's best at boiler draft aerodynamic field
Sample at weighing apparatus point, because pressure is zero the most herein, therefore to be micro-vacuum state in ensureing stove, it is only necessary to keep this point
Pressure is tiny structure (-60pa-100).
And in the running of boiler, owing to boiler furnace is in micro-vacuum state, such that it is able to utilize boiler furnace
Interior tiny structure forms gas channel, and the air outside such boiler will be pumped in probe tube 10 by cleaning hole 30, thus
Reach the purpose to probe tube 10 inwall cleaning, it is to avoid present in prior art, easily occur that sampler inwall is dirty and takes
The problem of sample blockage, can also observe the dust stratification situation in pressure sampler by this cleaning hole 30 simultaneously, be conducive in time
Find dust stratification and the blocking of pressure sampler.
It should be noted that the cleaning hole 30 in this utility model not only needs to meet the purpose reaching cleaning, the most not
Can have a strong impact on the purpose of testing result, thus the aperture in cleaning hole 30 be had strict requirements, it is preferable that described clearly
The aperture in clean hole 30 is 1-2mm.
Wherein, the position in cleaning hole 30 can select according to practical situation, as long as the sky outside boiler furnace can be made
Gas sucks in probe tube 10 and plays the effect of cleaning probe tube 10 inwall, such as, described cleaning by this cleaning hole 30
Hole 30 can be arranged on the tube wall of probe tube 10.
Concrete, the first end of described probe tube 10 is used for connecting with boiler furnace, the second end seal of described probe tube 10
Closing, the second end of the most described probe tube 10 can be provided with closure 20, thus closes the second end of probe tube 10.Described closure
20 dismountable the second ends being arranged on probe tube 10, if so needing to check or other behaviour probe tube 10 is internal
When making, can be realized by dismounting closure 20.Wherein, the shape of described closure 20 can be according to the second end of probe tube 10
Port shape selects.
Further, it is contemplated that the convenience that the compactedness of structure and pressure transducer are installed, described probe tube 10 wraps
Include VERTICAL TUBE portion 11 and the tipping tube portion 12 that arrange angled with VERTICAL TUBE portion 11;First end in described VERTICAL TUBE portion 11 is used for
Connecting with boiler furnace, second end in described VERTICAL TUBE portion 11 is provided with closure 20;First end in described tipping tube portion 12 is with perpendicular
Straight sections 11 connects, and second end in described tipping tube portion 12 is used for connecting pressure transducer.
Specifically, as shown in Figures 2 and 3, described cleaning hole 30 is run through closure 20 along the axis direction in VERTICAL TUBE portion 11 and is set
Put.Preferably, the central axis in described cleaning hole 30 and the central axes blocking 20.Certainly, according to practical situation, described
The central axis in cleaning hole 30 can also deviate the central axis of closure 20.
In this utility model, owing to cleaning the setting in hole 30 such that it is able to by this cleaning hole 30 in probe tube 10
Suction air, thus reach the purpose to probe tube 10 inwall cleaning, pressure can also be observed by this cleaning hole 30 simultaneously and take
Dust stratification situation in sample device, is conducive to finding in time dust stratification and the blocking of sampler.
According to another aspect of the present utility model, this utility model also provides for a kind of pressure measxurement for boiler furnace
Device, wherein, described pressure gauge includes that described pressure sampler and the pressure being connected with described pressure sampler pass
Sensor.
As it has been described above, in this utility model, the pressure condition in boiler can be passed to pressure by probe tube 10
Sensor, and then the pressure in can understanding the force value in boiler in real time and making boiler maintains micro-vacuum state, and due to
Boiler furnace is in micro-vacuum state and owing to cleaning the existence in hole 30, such that it is able to the tiny structure shape in utilizing boiler furnace
Become gas channel, thus reach the purpose to probe tube 10 inwall cleaning.
Preferred implementation of the present utility model is described in detail above in association with accompanying drawing, but, this utility model does not limit
Detail in above-mentioned embodiment, in technology concept of the present utility model, can be to skill of the present utility model
Art scheme carries out multiple simple variant, and these simple variant belong to protection domain of the present utility model.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, at not lance
In the case of shield, can be combined by any suitable means.In order to avoid unnecessary repetition, this utility model is to respectively
Plant possible compound mode to illustrate the most separately.
Additionally, combination in any can also be carried out, as long as it is not disobeyed between various different embodiment of the present utility model
Carrying on the back thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (9)
1. the pressure sampler for boiler furnace, it is characterised in that this pressure sampler include for described boiler
Burner hearth connection probe tube (10) and be arranged on described pressure sampler and for described probe tube (10) aspirate air
To clean the cleaning hole (30) of described probe tube (10) inwall.
Pressure sampler for boiler furnace the most according to claim 1, it is characterised in that described cleaning hole (30) sets
Put on the tube wall of described probe tube (10).
Pressure sampler for boiler furnace the most according to claim 1, it is characterised in that described probe tube (10)
First end is for connecting with described boiler furnace, and the second end of described probe tube (10) is provided with closure (20).
Pressure sampler for boiler furnace the most according to claim 3, it is characterised in that described closure (20) is removable
Described second end being arranged on described probe tube (10) unloaded.
Pressure sampler for boiler furnace the most according to claim 3, it is characterised in that described probe tube (10) is wrapped
Include VERTICAL TUBE portion (11) and the tipping tube portion (12) that arrange angled with described VERTICAL TUBE portion (11);
First end of described VERTICAL TUBE portion (11) is for connecting with described boiler furnace, and the second end of described VERTICAL TUBE portion (11) sets
It is equipped with described closure (20);
First end of described tipping tube portion (12) connects with described VERTICAL TUBE portion (11), and the second end of described tipping tube portion (12) is used
In connecting pressure transducer.
Pressure sampler for boiler furnace the most according to claim 5, it is characterised in that described cleaning hole (30) edge
The axis direction of described VERTICAL TUBE portion (11) runs through described closure (20) and arranges.
Pressure sampler for boiler furnace the most according to claim 6, it is characterised in that described cleaning hole (30)
Central axis and the central axes of described closure (20).
8. according to the pressure sampler for boiler furnace described in any one in claim 1-7, it is characterised in that described
The aperture of cleaning hole (30) is 1-2mm.
9. the pressure gauge for boiler furnace, it is characterised in that described pressure gauge includes claim
Pressure sampler described in any one and the pressure transducer that is connected with described pressure sampler in 1-8.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620802137.3U CN205826374U (en) | 2016-07-27 | 2016-07-27 | Pressure sampler and pressure gauge for boiler furnace |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620802137.3U CN205826374U (en) | 2016-07-27 | 2016-07-27 | Pressure sampler and pressure gauge for boiler furnace |
Publications (1)
Publication Number | Publication Date |
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CN205826374U true CN205826374U (en) | 2016-12-21 |
Family
ID=57556563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620802137.3U Active CN205826374U (en) | 2016-07-27 | 2016-07-27 | Pressure sampler and pressure gauge for boiler furnace |
Country Status (1)
Country | Link |
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CN (1) | CN205826374U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112240843A (en) * | 2019-07-17 | 2021-01-19 | 南京凯旋化学科技有限公司 | Sampling device for pharmaceutical analysis |
-
2016
- 2016-07-27 CN CN201620802137.3U patent/CN205826374U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112240843A (en) * | 2019-07-17 | 2021-01-19 | 南京凯旋化学科技有限公司 | Sampling device for pharmaceutical analysis |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant |