CN208766151U - SO in a kind of on-line checking flue gas3The system of content - Google Patents
SO in a kind of on-line checking flue gas3The system of content Download PDFInfo
- Publication number
- CN208766151U CN208766151U CN201820816897.9U CN201820816897U CN208766151U CN 208766151 U CN208766151 U CN 208766151U CN 201820816897 U CN201820816897 U CN 201820816897U CN 208766151 U CN208766151 U CN 208766151U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- content
- line checking
- input terminal
- liquid
- 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.)
- Active
Links
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
SO in a kind of on-line checking flue gas3The system of content, comprising: smoke collecting device, for acquiring flue gas；Filter device is heated, the flue gas for acquiring to the smoke collecting device is heated and filtered；Liquid feed device, for conveying absorbing liquid, the absorbing liquid is used to absorb the flue gas by the heating filter device；Liquid-phase treatment apparatus, for carrying out liquid phase processing to absorbing the sample solution after flue gas；Volume control device, for controlling flue gas flow；Detection and analytical equipment, for testing and analyzing SO3Content.It can carry out on-line measurement to S03 in flue gas, and monitoring coal steam-electric plant smoke discharges SO3 situation, so that thermal power plant carries out each parameter adjustment control.
Description
Technical field
The utility model belongs to SO in technical field of environmental detection more particularly to a kind of on-line checking flue gas3Content is
System.
Background technique
It burns with industrial production and constantly generates sulfur trioxide, and sulfur trioxide is a kind of atmosphere pollution, is connect with water
Sulfuric acid easily generated is touched, not only easily corrodes production equipment, and sulfur trioxide is the main matter that acid rain is formed.Due in flue gas
The general 1-50ppm of SO3 concentration, and sulfur trioxide chemical property is active, can just be stabilized under the high temperature conditions, and when temperature compared with
When low, it be easy to micro-moisture and react to form sulfuric acid droplet, is easy that equipment is condensed or corroded in detection device.
And the smoke temperatures sampling such as generally of existing most detection devices, make sulfuric acid droplet be attached to sampling pipe in sampling process
On, and at this temperature, the SO3 separate absorbent that can not will be attached on dust causes test data less than normal.And scene is surveyed
Examination equipment can not all accomplish that consecutive intervals go out to count, and need to take back lab analysis, which results in the entire detection cycle time is long, survey
It is low to measure result accuracy.
Utility model content
In order to solve the above-mentioned technical problem, the utility model proposes SO in a kind of on-line checking flue gas3The system of content, it
On-line measurement can be carried out to S03 in flue gas, monitoring coal steam-electric plant smoke discharges SO3 situation, so that thermal power plant carries out each parameter tune
Whole control.
To achieve the goals above, the technical solution of the utility model are as follows:
SO in a kind of on-line checking flue gas3The system of content, comprising:
Smoke collecting device, for acquiring flue gas；
Filter device is heated, the flue gas for acquiring to the smoke collecting device is heated and filtered；
Liquid feed device, for conveying absorbing liquid, the absorbing liquid is used to absorb the flue gas by the heating filter device；
Liquid-phase treatment apparatus, for carrying out liquid phase processing to absorbing the sample solution after flue gas；
Volume control device, for controlling flue gas flow；
Detection and analytical equipment, for testing and analyzing SO3Content.
The smoke collecting device includes sampling air pump.
The heating filter device includes: quartzy sampling pipe, and the quartz sampling pipe is sequentially connected high-temperature sampling probe, stone
English filter, silica wool and smoke absorption device.
The liquid feed device includes: absorbing liquid apparatus for placing, and the absorbing liquid apparatus for placing connects the first peristaltic pump, described
First peristaltic pump is also connected with smoke absorption device.
The liquid-phase treatment apparatus includes: steam separation and quantitative device, and the steam separation and quantitative device connection flue gas is inhaled
The output end of device is received, the first output end of the steam separation and quantitative device connects the input terminal of refrigerator, the refrigerator
First output end connects the input terminal of the steam separation and quantitative device by the 5th peristaltic pump, and the steam separates separation and quantitative
The second output terminal of device connects the first buffer pool, the input terminal of the first output end connection refrigerator of first buffer pool.
The volume control device includes: drier, and it is second defeated to connect the refrigerator for the input terminal of the drier
Outlet, the output end of the drier pass sequentially through the input terminal of filter, flowmeter connection sampling air pump.
The detection and analytical equipment include: the second peristaltic pump, and second peristaltic pump is connected to the of the first buffer pool
Between two output ends and the input terminal of reagent reaction bed, the output end of the reagent reaction bed passes sequentially through the second buffer pool,
Three peristaltic pump connecting detection devices.
It further include waste material recovery device, spectrophotometer connects waste material recovery device by the 4th peristaltic pump, samples air pump
Output end connect waste material recovery device.
The detection and analytical equipment further include controller, and the controller is used to control whole valves in the system
With whole peristaltic pumps.
The first valve is equipped between first output end of the steam separation and quantitative device and the input terminal of refrigerator, it is described
Between the second output terminal of steam separation and quantitative device and the input terminal of first buffer pool be equipped with the second valve, described first
Third valve is equipped between first output end of buffer pool and the input terminal of the refrigerator, the second of first buffer pool is defeated
The 4th valve is equipped between outlet and the second peristaltic pump.
The utility model has the following beneficial effects: sampling at high temperature, avoid because of SO3It condenses and causes measurement data bring
Error, filtration of particulate matters under hot conditions, not only efficient removal particle bring error, and will efficiently be attached to particle
SO on object3Separation, makes SO3Measured value precision is higher.Device involved by whole system is easy to operate, easy to carry, can it is continuous between
It is separated out number, substantially reduces the testing time.
Detailed description of the invention
Fig. 1 shows structural schematic diagram according to an embodiment of the present application.
Wherein, 1 absorbing liquid apparatus for placing；2 first peristaltic pumps；3 quartzy sampling pipes；4 high-temperature sampling probes；5 quartz filterings
Device；6 silica wools；7 smoke absorption devices；8 steam separation and quantitative devices；9 electronic refrigerators；10 driers；11 filters；12 flows
Meter；13 sampling air pumps；14 first buffer pools；15 second peristaltic pumps；16 reagent reaction beds；17 second buffer pools；18 thirds are compacted
Dynamic pump；19 detection devices；20 the 4th peristaltic pumps；21 the 5th peristaltic pumps.
The first valve of K1；The second valve of k2；K3 third valve；The 4th valve of k4；The 5th valve of k5.
Specific embodiment
In order to be better understood by the technical solution of the utility model, 1 pair of the utility model is made further with reference to the accompanying drawing
Explanation.
As shown in Figure 1, SO in a kind of on-line checking flue gas3The system of content, comprising: smoke collecting device, heating filtering
Device, liquid feed device, liquid-phase treatment apparatus, volume control device and detection and analytical equipment.
Smoke collecting device, for acquiring flue gas；The smoke collecting device includes sampling air pump 13, the sampling gas
Pump is for flue gas to be pumped into.
Filter device is heated, the flue gas for acquiring to the smoke collecting device is heated and filtered；The heating
Filter device includes: quartzy sampling pipe 3, and the quartz sampling pipe is sequentially connected high-temperature sampling probe 4, Guartz filter 5, quartz
Cotton 6 and smoke absorption device 7.High-temperature sampling probe heats flue gas.Silica wool is high temperature resistant quartz fibre.High temperature samples
Probe guarantees that flue-gas temperature more than test request temperature, converts gaseous state for the SO3 under each state during the test；Stone
English sampling pipe uses inertia material, does not react at high temperature with SO3；Guartz filter, extraordinary silica wool, smoke absorption device
It is linked in sequence, it is ensured that without gas leakage situation in sampling process, enter in smoke absorption device under fume high-temperature by extraordinary filter cotton, it is high
The removal dust of effect, will efficiently be attached to SO3 gasification separation on dust, and be absorbed SO3 efficiently.
Liquid feed device, for conveying absorbing liquid, the absorbing liquid is used to absorb the flue gas by the heating filter device；
The liquid feed device includes: absorbing liquid apparatus for placing 1, and the absorbing liquid apparatus for placing connects the first peristaltic pump 2, and described first is compacted
Dynamic pump is also connected with smoke absorption device.By steam separation and quantitative device below, realizes that feed flow is stablized, smoke absorption device is made to absorb effect
Rate is constant.
Liquid-phase treatment apparatus, for carrying out liquid phase processing to absorbing the sample solution after flue gas；Sample solution is that sampling absorbs
Liquid after SO3, alternatively referred to as sample liquid.The liquid-phase treatment apparatus includes: steam separation and quantitative device 8, the steam point
First output end of the output end from proportioning device connection smoke absorption device 7, the steam separation and quantitative device connects refrigerator
First output end of 9 input terminal, the refrigerator connects the defeated of the steam separation and quantitative device by the 5th peristaltic pump 21
Entering end, the second output terminal of steam separation separation and quantitative device connects the first buffer pool 14, and the of first buffer pool
One output end connects the input terminal of refrigerator, and the refrigerator is electronic refrigerator.
Liquid-phase treatment apparatus further includes the first valve k1, the second valve k2, third valve k3.Position is arranged in it are as follows: described
The first valve k1, the steam point are equipped between first output end of the steam separation and quantitative device and the input terminal of refrigerator
From the second valve k2 is equipped between the second output terminal of proportioning device and the input terminal of first buffer pool, described first is buffered
Third valve k3 is equipped between first output end in pond and the input terminal of the refrigerator.
Steam separation and quantitative device is responsible for steam separation, and tests liquid volume, and after quantitative liquid level reaches, liquid is reached
In first buffer pool, and steam separation and quantitative device continues quantitative liquid；Sample liquids are reacted in first buffer pool.Electronics
Refrigerator and the 5th peristaltic pump will volatilize liquid condensation pump return water vapour separation and quantitative device, improve accuracy of measurement.
Volume control device, for controlling flue gas flow；The volume control device includes: drier 10, institute
The input terminal for stating drier connects the second output terminal of the refrigerator, and the output end of the drier passes sequentially through filter
11, the inlet end of the connection of flowmeter 12 sampling air pump 13.The isopropanol and moisture condensation that electronic refrigerator will volatilize after mixing,
Gas temperature is reduced, room temperature is close to, keeps testing flow meter more accurate；Irradiation modules and accurate filter are as protection
Flowmeter prevents steam and particle from entering flowmeter；The flowmeter accuracy be 0.1% flowmeter, high precision flow it is defeated
Enter output signal and be connected to processor, flow rate calculation in flow and sampling process is controlled by controller.
Detection and analytical equipment, for testing and analyzing SO3Content.The detection and analytical equipment include: the second wriggling
Pump 15, second peristaltic pump is connected between the second output terminal of the first buffer pool and the input terminal of reagent reaction bed 16, institute
The output end for stating reagent reaction bed passes sequentially through the second buffer pool 17,18 connecting detection device 19 of third peristaltic pump, the detection
Device includes spectrophotometer.The cycle-index of the reagent reaction bed is not less than 4 times.
Detection and analytical equipment further include the 4th valve k4, the 5th valve k5.Position is arranged in it are as follows: first buffer pool
Second output terminal and the second peristaltic pump between be equipped with the 4th valve k4.The 5th is equipped between second buffer pool and third peristaltic pump
Valve k5.
First buffer pool, the 4th valve, the second peristaltic pump, the second buffer pool are linked in sequence, positive and negative by the second peristaltic pump
Turn, react sample with reagent sufficiently, generate coloured sample liquid, then sample liquid is pumped into spectrophotometer by third peristaltic pump, is divided
Photometer at a particular wavelength, detects sample liquid absorbance, tests sample liquid concentration.
The detection and analytical equipment further include controller and display screen, and the controller is for controlling in the system
Whole valves and whole peristaltic pumps.
Display operation state on display screen, and pass through each components on-off of display screen control device, device operation
Each part relevant parameter is arranged in state, it is investigated that asking, measurement data is shown etc. datum number storage；Central controller controls device
Operational process, each components on-off, runing time, the storage of digital simulation amount, processing and operation calculate SO3Concentration value.
SO in this on-line checking flue gas3The system of content further includes waste material recovery device, and spectrophotometer is compacted by the 4th
Dynamic 20 connection waste material recovery device of pump, samples the output end connection waste material recovery device of air pump.Waste material recovery device includes waste liquid
Waste gas recovery pond.4th peristaltic pump is conveyed for waste liquid, and sampling air pump is also responsible for conveying exhaust gas.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that utility model range involved in the application, however it is not limited to made of the specific combination of above-mentioned technical characteristic
Technical solution, at the same should also cover do not depart from the utility model design in the case where, by above-mentioned technical characteristic or its be equal
Feature carries out any combination and other technical solutions for being formed.Such as features described above and (but being not limited to) disclosed herein have
The technical solution for thering is the technical characteristic of similar functions to be replaced mutually and being formed.
Claims (10)
1. SO in a kind of on-line checking flue gas3The system of content characterized by comprising
Smoke collecting device, for acquiring flue gas；
Filter device is heated, the flue gas for acquiring to the smoke collecting device is heated and filtered；
Liquid feed device, for conveying absorbing liquid, the absorbing liquid is used to absorb the flue gas by the heating filter device；
Liquid-phase treatment apparatus, for carrying out liquid phase processing to absorbing the sample solution after flue gas；
Volume control device, for controlling flue gas flow；
Detection and analytical equipment, for testing and analyzing SO3Content.
2. SO in a kind of on-line checking flue gas according to claim 13The system of content, which is characterized in that the flue gas is adopted
Acquisition means include sampling air pump.
3. SO in a kind of on-line checking flue gas according to claim 13The system of content, which is characterized in that described to heat
Filter device include: quartzy sampling pipe, it is described quartz sampling pipe be sequentially connected high-temperature sampling probe, Guartz filter, silica wool with
And smoke absorption device.
4. SO in a kind of on-line checking flue gas according to claim 13The system of content, which is characterized in that the feed flow dress
Setting includes: absorbing liquid apparatus for placing, and the absorbing liquid apparatus for placing connects the first peristaltic pump, and first peristaltic pump is also connected with cigarette
Aspiration device.
5. SO in a kind of on-line checking flue gas according to claim 13The system of content, which is characterized in that at the liquid phase
Managing device includes: steam separation and quantitative device, the output end of the steam separation and quantitative device connection smoke absorption device, the water
The input terminal of the first output end connection refrigerator of vapour separation and quantitative device, the first output end of the refrigerator are compacted by the 5th
Dynamic pump connects the input terminal of the steam separation and quantitative device, the second output terminal connection of the steam separation separation and quantitative device
First buffer pool, the input terminal of the first output end connection refrigerator of first buffer pool.
6. SO in a kind of on-line checking flue gas according to claim 53The system of content, which is characterized in that the flow control
Device processed includes: drier, and the input terminal of the drier connects the second output terminal of the refrigerator, the drier it is defeated
Outlet passes sequentially through the input terminal of filter, flowmeter connection sampling air pump.
7. SO in a kind of on-line checking flue gas according to claim 13The system of content, which is characterized in that it is described detection and
Analytical equipment includes: the second peristaltic pump, and the second output terminal that second peristaltic pump is connected to the first buffer pool is reacted with reagent
Between the input terminal of bed, the output end of the reagent reaction bed passes sequentially through the second buffer pool, third peristaltic pump connecting detection dress
It sets.
8. SO in a kind of on-line checking flue gas according to claim 13The system of content, which is characterized in that further include waste material
Recyclable device, spectrophotometer connect waste material recovery device by the 4th peristaltic pump, and the output end connection waste material for sampling air pump returns
Receiving apparatus.
9. SO in a kind of on-line checking flue gas according to claim 73The system of content, which is characterized in that it is described detection and
Analytical equipment further includes controller, and the controller is used to control whole valves and whole peristaltic pumps in the system.
10. SO in a kind of on-line checking flue gas according to claim 53The system of content, which is characterized in that the steam
The first valve, the steam separation and quantitative device are equipped between first output end of separation and quantitative device and the input terminal of refrigerator
Second output terminal and first buffer pool input terminal between be equipped with the second valve, first buffer pool first output
Third valve, the second output terminal and the second peristaltic pump of first buffer pool are equipped between end and the input terminal of the refrigerator
Between be equipped with the 4th valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820816897.9U CN208766151U (en) | 2018-05-29 | 2018-05-29 | SO in a kind of on-line checking flue gas3The system of content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820816897.9U CN208766151U (en) | 2018-05-29 | 2018-05-29 | SO in a kind of on-line checking flue gas3The system of content |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208766151U true CN208766151U (en) | 2019-04-19 |
Family
ID=66127328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820816897.9U Active CN208766151U (en) | 2018-05-29 | 2018-05-29 | SO in a kind of on-line checking flue gas3The system of content |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208766151U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044835A (en) * | 2019-05-20 | 2019-07-23 | 华能国际电力股份有限公司 | Sulfur trioxide online analysis system and method |
| CN110044834A (en) * | 2019-05-20 | 2019-07-23 | 华能国际电力股份有限公司 | Sulfur trioxide online monitoring system and method |
| CN110779830A (en) * | 2019-11-12 | 2020-02-11 | 攀枝花学院 | Method for analyzing free carbon in vanadium carbide |
| CN112295307A (en) * | 2020-11-16 | 2021-02-02 | 西安热工研究院有限公司 | Liquid processor and replacing system thereof |
-
2018
- 2018-05-29 CN CN201820816897.9U patent/CN208766151U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044835A (en) * | 2019-05-20 | 2019-07-23 | 华能国际电力股份有限公司 | Sulfur trioxide online analysis system and method |
| CN110044834A (en) * | 2019-05-20 | 2019-07-23 | 华能国际电力股份有限公司 | Sulfur trioxide online monitoring system and method |
| CN110044835B (en) * | 2019-05-20 | 2022-06-14 | 华能国际电力股份有限公司 | Sulfur trioxide online analysis system and method |
| CN110779830A (en) * | 2019-11-12 | 2020-02-11 | 攀枝花学院 | Method for analyzing free carbon in vanadium carbide |
| CN112295307A (en) * | 2020-11-16 | 2021-02-02 | 西安热工研究院有限公司 | Liquid processor and replacing system thereof |
| CN112295307B (en) * | 2020-11-16 | 2024-01-23 | 西安热工研究院有限公司 | Liquid processor and replacement system thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208766151U (en) | SO in a kind of on-line checking flue gas3The system of content | |
| CN1866027B (en) | Integrated gas online detector | |
| CN109959538B (en) | Device and method for testing sulfur trioxide and condensable particles emitted by fixed pollution source | |
| CN203941102U (en) | A kind of solid waste incineration is processed on-line analysis system | |
| CN103439152B (en) | The polymorphic sampling system of sulfuric anhydride and polymorphic method of testing in Concentration in Fixed Pollutants Source | |
| CN100410649C (en) | On-line atmospheric mercury analyzer | |
| CN103472061A (en) | Device and method for detecting sulfur trioxide in flue gas on line | |
| CN107917736B (en) | On-spot detecting system of civil stove flue gas pollutant emission | |
| CN105588777A (en) | Device and method for simultaneously testing PM2.5 and coagulated particulate matters discharged by fixing source | |
| CN206020262U (en) | A kind of continuous on-line monitoring system of CEMS flue gases | |
| CN103852438A (en) | Online solid waste incineration treatment analysis system | |
| CN109342284A (en) | A kind of detection system and detection method for harmful substances from flue gases | |
| CN108982770B (en) | Gas detection pretreatment system and gas online detection method | |
| CN101644643A (en) | Sample air pretreatment device for coke furnace inorganization emission source and method thereof | |
| CN110243638A (en) | A kind of smoke collecting apparatus and method for SCR denitration device | |
| CN104483339A (en) | On-line analyzer and analysis method of mercury in flue gas based on wet enrichment | |
| CN108414299A (en) | A kind of stationary source exhaust gas sampling apparatus and the method for sampling | |
| CN216792012U (en) | Two-channel multi-component smoke emission online monitoring system | |
| CN203490171U (en) | Online detection device for sulfur trioxide in smoke | |
| CN113865647B (en) | Carbon emission monitoring system based on CEMS | |
| CN102944450A (en) | System and method for absorbing heavy metal particles in flue gas | |
| CN206540759U (en) | Online sample gas pretreating system | |
| Yang et al. | Design and development of an ammonia slip detection device and system for flue gas denitration equipment | |
| CN107389389A (en) | A kind of portable sulfur trioxide sampling instrument | |
| CN208512224U (en) | The on-line monitoring system of VOCs exhaust gas lower explosion limit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |