CN205607744U - Flue gas mixing arrangement and flue gas measurement system - Google Patents
Flue gas mixing arrangement and flue gas measurement system Download PDFInfo
- Publication number
- CN205607744U CN205607744U CN201620398417.2U CN201620398417U CN205607744U CN 205607744 U CN205607744 U CN 205607744U CN 201620398417 U CN201620398417 U CN 201620398417U CN 205607744 U CN205607744 U CN 205607744U
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- flue gas
- blender
- air inlet
- mixing arrangement
- gas mixing
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Abstract
The utility model discloses a flue gas mixing arrangement and flue gas measurement system. Extraction opening and the air inlet more than two on this flue gas mixing arrangement includes the blender and locates the blender, each air inlet all are connected with flow control to the unanimous flow control valve that is used for each air inlet. The utility model discloses flue gas mixing arrangement connects adjustable flow float flowmeter at each on measuring way, make get into the blender respectively to measure the flue gas flux of branch road the same, make the bleed air flow in flue cross -section typical case position equal, mix after the extraction opening is taken out components of smoke content that mixing flue gas can accurate reflection flue in the blender to science operation for power plant boiler is provided the basis.
Description
Technical field
This utility model belongs to fire coal boiler fume fields of measurement, is specifically related to a kind of flue gas mixing arrangement and smoke measurement system.
Background technology
During station boiler thermal test, it is often necessary to the flue gas of boiler back end ductwork is sampled, analyze its flue gas
Composition, it is simple to accurately understand boiler operation performance, provides scientific basis for adjusting further boiler combustion, make boiler safety,
Economy, reliability service, to reduce the pollution to environment.Along with high parameter, the coming into operation in a large number of heavy duty boiler, boiler
Air preheater is imported and exported the size of flue and is become the most therewith greatly, and existing flue gas inspection device is by the allusion quotation in flue cross section
Type position arranges detection hole, by each detection hole being carried out fume extraction simultaneously, carries out fume component analysis after mixing;But
Owing to each measures the length difference of branch road, causing the resistance of each measurement branch road when bleeding different, the exhaust gas volumn extracted is not
With, mixed flue gas can not accurately reflect the smoke components content of whole flue, thus cannot reflect the shape of boiler Actual combustion
Condition, it is impossible to adapt to the modern management requirement of station boiler.
Utility model content
The purpose of this utility model is to provide a kind of flue gas mixing arrangement, thus solves in prior art, due to the measurement of flue
Branch road length is different, and the exhaust gas volumn causing each measurement branch road to be extracted is inconsistent, and mixed flue gas can not accurately reflect whole flue
The problem of smoke components.This utility model also provides for a kind of smoke measurement system using above-mentioned flue gas mixing arrangement.
In order to realize object above, flue gas mixing arrangement of the present utility model be the technical scheme is that
A kind of flue gas mixing arrangement, the bleeding point including blender and being located on blender and plural air inlet, respectively enter
QI KOU be respectively connected with for by the Flow-rate adjustment of each air inlet to consistent flow control valve.
Described flow control valve is adjustable flow suspended body flowmeter.
Adjustable flow suspended body flowmeter is vertically arranged, the outlet of adjustable flow suspended body flowmeter is passed through with the air inlet on blender
Downstream inlet pipe is connected;Described downstream inlet pipe includes that the air inlet with blender is connected first is connected pipeline section and connection the
Between one connection pipeline section and the outlet of adjustable flow suspended body flowmeter second is connected pipeline section, and the second connection pipeline section is flexible pipe.
The bottom of described blender is additionally provided with ash discharging hole.
This utility model flue gas mixing arrangement, by connecting adjustable flow suspended body flowmeter on each measurement branch road, makes entrance mix
The flue gas flow of each measurement branch road of clutch is identical, makes the rate of air sucked in required in flue cross section exemplary position equal, mixed in blender
Extracting out through bleeding point after conjunction, mixed flue gas can accurately reflect the smoke components content of flue, thus be the science of station boiler
Run and foundation is provided.
Further, this flue gas mixing arrangement simple in construction, it is applicable to the fume component analysis of each large-sized station boiler;
Flue gas mixing arrangement can connect multiple measurement branch road, analysis of simultaneously bleeding multiple measurement branch roads, improves smoke components
The accuracy measured and reliability, the mixed flue gas mixing uniformity released from bleeding point is good;Aperture bottom blender can
So that the dust accumulating in internal mixer is released.
Smoke measurement system of the present utility model be the technical scheme is that
A kind of smoke measurement system, including flue gas mixing arrangement and the flue that is provided with multiple measured hole, flue gas mixing arrangement includes
Blender and the bleeding point being located on blender and the air inlet being correspondingly arranged with measured hole, each air inlet and corresponding measured hole divide
Not by measuring branch road connection, the length that at least two measures branch road is different, measurement branch road is gone here and there and is provided with for by each air inlet
Flow-rate adjustment to consistent flow control valve.
Described flow control valve is adjustable flow suspended body flowmeter.Described measurement branch road includes connecting measured hole and adjustable flow floats
Under the air inlet of the upstream inlet pipe of the entrance of subflow gauge and the outlet of connection adjustable flow suspended body flowmeter and blender
Trip air inlet pipe.Adjustable flow suspended body flowmeter is vertically arranged, the outlet of adjustable flow suspended body flowmeter and the air inlet on blender
Mouth is connected by downstream inlet pipe;Described downstream inlet pipe include the air inlet with blender be connected first be connected pipeline section and
Second connected between the first connection pipeline section and the outlet of adjustable flow suspended body flowmeter is connected pipeline section, and the second connection pipeline section is soft
Pipe.
The smoke measurement system of the present embodiment, simple in construction, easy to use, the situation of boiler combustion can be accurately reflected, very
It is suitable for flue gas in power station boiler being sampled and accurately detecting.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of this utility model flue gas mixing arrangement;
Fig. 2 is the structural representation of an embodiment of this utility model smoke measurement system;
Fig. 3 is the schematic diagram of adjustable flow suspended body flowmeter.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the present invention are described further.
The embodiment of smoke measurement system of the present utility model, as shown in Figures 1 to 3, including flue gas mixing arrangement and be provided with 8
The flue 13 of individual measured hole, flue gas mixing arrangement includes that blender 1, blender 1 are hydrostatic column, by upper head plate, under
End plate and sidewall enclose to set and form, and the center of bottom plate is provided with ash discharging hole 11, and the center of upper head plate is provided with aspirating hole 2, and surrounding is equal
Even 8 air inlets being correspondingly arranged with measured hole that are provided with, respectively first air inlet the 3, second air inlet the 4, the 3rd air inlet
Mouth the 5, the 4th air inlet the 6, the 5th air inlet the 7, the 6th air inlet the 8, the 7th air inlet the 9, the 8th air inlet 10, respectively enters
QI KOU is connected by measurement branch road respectively with corresponding measured hole, respectively first measurement branch road the 30, second measurement branch road 40,
3rd measures branch road the 50, the 4th measures branch road the 60, the 5th measurement branch road the 70, the 6th measurement branch road the 80, the 7th measurement branch road
90, the 8th measuring branch road 100, the length of 8 measurement branch roads all differs;Measure to go here and there on branch road and be provided with for by each air inlet
The Flow-rate adjustment of mouth is to consistent flow control valve 12, and flow control valve is adjustable flow suspended body flowmeter, its principle schematic
As it is shown on figure 3, fluid is entered glass-tube 14 by the direction of arrow, blowing float 16 and rise to certain altitude, height has with flow
Having certain conversion relation, obtain the flow velocity by fluid from location of reading 15, adjustable flow suspended body flowmeter is provided with flow
Valve controls fluid is passed through with the flow set.
As a example by the first measurement branch road 30, measure branch road and include connecting measured hole and the upstream inlet pipe of Flow-rate adjustment valve inlet
31 and connection traffic regulation valve outlet port and the downstream inlet pipe 32 of blender air inlet, other measure the structure and first of branch roads
The structure measuring branch road is identical;Downstream inlet pipe 32 include the air inlet with blender be connected first be connected pipeline section and with can
The second connection pipeline section (flexible pipe) that the outlet adjusting flow suspended body flowmeter is connected realizes the vertical cloth of adjustable flow suspended body flowmeter
Put.
When smoke measurement system is run, bleeding point 2 connects air pump, and flue gas is passed through adjustable stream by each measurement branch road of flue
Amount suspended body flowmeter enters in blender, and being obtained by bleeding point 2 after mix homogeneously can the mixed gas of accurate representation smoke components.
In other embodiments of smoke measurement system, measure the quantity of branch road and can be arranged as required to as less than 8 or big
In 8, and enter mix homogeneously in flue gas mixing arrangement by the air inlet of respective numbers;Measurement branch road can be gone here and there further and be set
Filter, with impurity such as filtration fraction flying dust, steam;Flow control valve can be other flow regulators be directly connected in into
(downstream inlet pipe is need not) in QI KOU.
In the specific embodiment of flue gas mixing arrangement of the present utility model, concrete structure and above-mentioned each smoke measurement system embodiment
Flue gas mixing arrangement identical, be not described in detail in this.
Claims (9)
1. a flue gas mixing arrangement, the bleeding point including blender and being located on blender and plural air inlet, its
Be characterised by, each air inlet be respectively connected with for by the Flow-rate adjustment of each air inlet to consistent flow control valve.
2. flue gas mixing arrangement as claimed in claim 1, it is characterised in that described flow control valve is adjustable flow float
Effusion meter.
3. flue gas mixing arrangement as claimed in claim 2, it is characterised in that adjustable flow suspended body flowmeter is vertically arranged,
The outlet of adjustable flow suspended body flowmeter is connected by downstream inlet pipe with the air inlet on blender;Described downstream inlet pipe
It is connected pipeline section including first be connected with the air inlet of blender and connects the first connection pipeline section and adjustable flow suspended body flowmeter
Outlet between second connection pipeline section, second connect pipeline section be flexible pipe.
4. the flue gas mixing arrangement as described in claims 1 to 3 any one, it is characterised in that the bottom of described blender is also
It is provided with ash discharging hole.
5. a smoke measurement system, including flue gas mixing arrangement and the flue that is provided with multiple measured hole, flue gas mixing arrangement bag
Include blender and the bleeding point being located on blender and the air inlet being correspondingly arranged with measured hole, each air inlet and corresponding measured hole
Respectively by measuring branch road connection, the length that at least two measures branch road is different, it is characterised in that goes here and there on measurement branch road and is provided with
For by the Flow-rate adjustment of each air inlet to consistent flow control valve.
6. smoke measurement system as claimed in claim 5, it is characterised in that described flow control valve is adjustable flow float
Effusion meter.
7. smoke measurement system as claimed in claim 6, it is characterised in that described measurement branch road include connecting measured hole and
The upstream inlet pipe of the entrance of adjustable flow suspended body flowmeter and connect the outlet of adjustable flow suspended body flowmeter and blender
The downstream inlet pipe of air inlet.
8. smoke measurement system as claimed in claim 7, it is characterised in that adjustable flow suspended body flowmeter is vertically arranged,
The outlet of adjustable flow suspended body flowmeter is connected by downstream inlet pipe with the air inlet on blender;Described downstream inlet pipe
It is connected pipeline section including first be connected with the air inlet of blender and connects the first connection pipeline section and adjustable flow suspended body flowmeter
Outlet between second connection pipeline section, second connect pipeline section be flexible pipe.
9. the smoke measurement system as described in claim 5~8 any one, it is characterised in that the bottom of described blender is also
It is provided with ash discharging hole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620398417.2U CN205607744U (en) | 2016-05-04 | 2016-05-04 | Flue gas mixing arrangement and flue gas measurement system |
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CN201620398417.2U CN205607744U (en) | 2016-05-04 | 2016-05-04 | Flue gas mixing arrangement and flue gas measurement system |
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CN201620398417.2U Expired - Fee Related CN205607744U (en) | 2016-05-04 | 2016-05-04 | Flue gas mixing arrangement and flue gas measurement system |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108872487A (en) * | 2018-07-08 | 2018-11-23 | 江翠珍 | Source of atmospheric pollution multi-pollutant online auto monitoring device |
CN109342167A (en) * | 2018-10-24 | 2019-02-15 | 华电电力科学研究院有限公司 | A kind of dust-proof smoke sampling mixing arrangement and its working method of regulating flow quantity |
CN109425512A (en) * | 2017-08-31 | 2019-03-05 | 南京锦冠汽车零部件有限公司 | A kind of infrared sensor detection tail gas sampling gas cell device |
CN109425569A (en) * | 2017-08-31 | 2019-03-05 | 南京锦冠汽车零部件有限公司 | A kind of automobile exhaust detection system based on bluetooth communication |
-
2016
- 2016-05-04 CN CN201620398417.2U patent/CN205607744U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109425512A (en) * | 2017-08-31 | 2019-03-05 | 南京锦冠汽车零部件有限公司 | A kind of infrared sensor detection tail gas sampling gas cell device |
CN109425569A (en) * | 2017-08-31 | 2019-03-05 | 南京锦冠汽车零部件有限公司 | A kind of automobile exhaust detection system based on bluetooth communication |
CN108872487A (en) * | 2018-07-08 | 2018-11-23 | 江翠珍 | Source of atmospheric pollution multi-pollutant online auto monitoring device |
CN109342167A (en) * | 2018-10-24 | 2019-02-15 | 华电电力科学研究院有限公司 | A kind of dust-proof smoke sampling mixing arrangement and its working method of regulating flow quantity |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20170504 |
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CF01 | Termination of patent right due to non-payment of annual fee |