CN205607744U - Flue gas mixing arrangement and flue gas measurement system - Google Patents

Flue gas mixing arrangement and flue gas measurement system Download PDF

Info

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
Authority
CN
China
Prior art keywords
flue gas
blender
air inlet
mixing arrangement
gas mixing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201620398417.2U
Other languages
Chinese (zh)
Inventor
祝英浩
王磊
秦淇
蓝晓村
程金武
樊旭
安敬学
王鹏
李有信
姬亚
赵瑞松
王礼鹏
罗雪娇
虞昊天
邢振中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Datang Corp Science and Technology Research Institute Co Ltd Huazhong Branch
Original Assignee
China Datang Corp Science and Technology Research Institute Co Ltd Huazhong Branch
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Datang Corp Science and Technology Research Institute Co Ltd Huazhong Branch filed Critical China Datang Corp Science and Technology Research Institute Co Ltd Huazhong Branch
Priority to CN201620398417.2U priority Critical patent/CN205607744U/en
Application granted granted Critical
Publication of CN205607744U publication Critical patent/CN205607744U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Sampling And Sample Adjustment (AREA)

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

A kind of flue gas mixing arrangement and smoke measurement system
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.
CN201620398417.2U 2016-05-04 2016-05-04 Flue gas mixing arrangement and flue gas measurement system Expired - Fee Related CN205607744U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620398417.2U CN205607744U (en) 2016-05-04 2016-05-04 Flue gas mixing arrangement and flue gas measurement system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620398417.2U CN205607744U (en) 2016-05-04 2016-05-04 Flue gas mixing arrangement and flue gas measurement system

Publications (1)

Publication Number Publication Date
CN205607744U true CN205607744U (en) 2016-09-28

Family

ID=56968444

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620398417.2U Expired - Fee Related CN205607744U (en) 2016-05-04 2016-05-04 Flue gas mixing arrangement and flue gas measurement system

Country Status (1)

Country Link
CN (1) CN205607744U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN205607744U (en) Flue gas mixing arrangement and flue gas measurement system
CN207964243U (en) A kind of air and liquid twophase flow experiment platform
CN103149237A (en) Wide-Reynolds-number-range plate-fin heat exchanger heat transfer and flow performance testing apparatus
CN104729890B (en) A kind of PM2.5 source resolution sampling apparatuses based on feedback flow control
CN205749206U (en) A kind of gasoline automobile exhaust emissions detection system of particles
CN109520790A (en) A kind of mounting structure of denitration outlet flue gas gridding method mixing sampling apparatus
US7565846B2 (en) Particulate sampler and dilution gas flow device arrangement for an exhaust sampling system
CN103674625A (en) Sampling device for gas-solid two-phase flow
CN108225729A (en) A kind of fine adjustment air and liquid twophase flow experiment platform
CN205538547U (en) Engine exhaust part flows particulate matter measuring device
CN104729891A (en) PM2.5 (Particulate Matter 2.5) source analyzing and sampling device based on carbon dioxide concentration control
JPH04231868A (en) Discharged-gas analyzing apparatus
CN206038387U (en) A multiple spot subregion sampling system for monitoring of multi -phase fluid medium composition
CN208474026U (en) A kind of six diesel engine intake metering system of state
CN104729892A (en) PM2.5 (Particulate Matter 2.5) source analyzing and sampling device based on multichannel parallel feedback control
CN203231883U (en) Multi channel air filtration system field test bench
CN204694486U (en) Heavy duty detergent air conditioning filter performance detecting system
CN103954324A (en) Combustion gas turbine whirlcone flow testing device
CN204461840U (en) A kind of PM2.5 source resolution sampling apparatus controlled based on gas concentration lwevel
CN206038383U (en) A net multi -point sampling system for monitoring of multi -phase fluid medium composition
CN102410943A (en) Cluster type fluid sampling device
CN208872572U (en) Flue gas even distribution sampling system
CN203658110U (en) Gas-solid two-phase flow sampling device
CN107870012A (en) The device and method of rate-of flow under a kind of heat balance method of test complex environment
CN212301030U (en) Constant speed flue gas sampling device

Legal Events

Date Code Title Description
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

CF01 Termination of patent right due to non-payment of annual fee