CN207600841U - A kind of mixed air vessel for CEMS systems - Google Patents
A kind of mixed air vessel for CEMS systems Download PDFInfo
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- CN207600841U CN207600841U CN201721883257.1U CN201721883257U CN207600841U CN 207600841 U CN207600841 U CN 207600841U CN 201721883257 U CN201721883257 U CN 201721883257U CN 207600841 U CN207600841 U CN 207600841U
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- mixed air
- air vessel
- filter
- vessel
- filtering flask
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Abstract
The utility model discloses a kind of mixed air vessel for CEMS systems, including filtering flask, the threaded one end connection air inlet of the filtering flask, its other end is threadedly coupled mixed air vessel's filter, mixed air vessel's pillar is equipped in the filtering flask, mixed air vessel's pillar threaded one end connection mixed air vessel filter, other end connection ceramic filter；The air inlet is equipped with several PVDF straight air pipes connectors, and mixed air vessel's filter is equipped with PVDF right angles L-type gas-tpe fitting.The mixed air vessel of this structure uniformly collects the flue gas of multi-point sampling, so as to measure most representative NO measured values in out of stock flue, so as to ensure the precision of whole system.The utility model is simple in structure, easy to use, effectively improves the uniformity of sample gas mixing.
Description
Technical field
The utility model is related to denitrating system data monitoring field more particularly to a kind of gaseous mixtures for CEMS systems
Room.
Background technology
To prevent from generating excessive NOx pollution environment in boiler after coal combustion, denitration process should be carried out to coal.Denitration process
Method be divided into burning before denitration, combustion process denitration, burning after denitration.CEMS systems are mainly used in monitoring coal-burning power plant and take off
The concentration monitor of NOX, is divided by function under nitre operating mode, generally by the subsystems such as sampling and pretreatment unit, data acquisition and processing (DAP)
The monitoring system of system composition.The system uses Differential UV spectroscopy gas analyzer as NO analysis meters, using advanced two
Pole pipe array detection, full spectrum analysis, optical fibre transmission techniques can realize the real-time measurement of the multiple gases concentration such as NO（Oxygen
Gas is measured using import electrochemical sensor）, it is widely used in the fields such as industrial process gas analysis system.
And it is current, traditional denitration CEMS samplers are sampled for single-point, i.e., are installed in denitration entrance flue cross section
One single-point smoke sampling probe, extraction fume sample are passed through instrument and carry out analysis measurement.Such sampling mechanism is because of denitration chimney
Or the special operation condition in flue, such as inside, there are swirling air streams, lead to same section NO concentration distributions in erratic behavior, therefore very
More on-line monitoring equipments can not measure effective NO concentration or NO measurement variations, and bounce is greatly soon or measured value inaccuracy does not have
It is representative.
Utility model content
The purpose of this utility model is to solve the deficiencies in the prior art, and it is accurate, closer practical to provide a kind of measurement data
The mixed air vessel applied to out of stock CEMS systems of concentration of emission, will uniformly be converged by multi-point sampling in sample pneumatic transmission to mixed air vessel
Collection, so as to measure NO measured values representative in denitration flue.
The technical solution adopted in the utility model is：A kind of mixed air vessel for CEMS systems, it is described including filtering flask
The threaded one end connection air inlet of filtering flask, the other end are threadedly coupled mixed air vessel's filter, mixing are equipped in the filtering flask
Gas chamber pillar, mixed air vessel's pillar threaded one end connection mixed air vessel filter, other end connection ceramic filter；It is described
Air inlet is equipped with several PVDF straight air pipes connectors, and mixed air vessel's filter is equipped with PVDF right angles L-type gas-tpe fitting.
As further improvement of the utility model, O-ring is equipped between the filtering flask and mixed air vessel's filter.
As further improvement of the utility model, seal washer is equipped between the filtering flask and air inlet.
The utility model use advantageous effect be：The mixed air vessel of this structure uniformly collects the flue gas of multi-point sampling,
So as to measure most representative NO measured values in out of stock flue, so as to ensure the precision of whole system.The utility model
It is simple in structure, easy to use, effectively improve the uniformity of sample gas mixing.
Description of the drawings
Fig. 1 is utility model diagram.
Shown in figure：5 PVDF right angles L-type gas-tpe fittings, 6 mixed air vessel's filters, 7 O-rings, 8 filtering flasks, 9 ceramics
Filter, 10 mixed air vessel's pillars, 11 seal washers, 12 air inlets, 13 PVDF straight air pipe connectors.
Specific embodiment
With reference to Fig. 1, the utility model is described further.
As shown in Figure 1, a kind of mixed air vessel for CEMS systems, including filtering flask 8, one end spiral shell of the filtering flask 8
Line connects air inlet 12, and the other end is threadedly coupled mixed air vessel's filter 6, mixed air vessel's pillar 10 is equipped in the filtering flask 8,
10 threaded one end of the mixed air vessel's pillar connection mixed air vessel filter 6, other end connection ceramic filter 9；The air inlet
Mouth 12 is equipped with several PVDF straight air pipes connectors 14, and mixed air vessel's filter 6 is equipped with PVDF right angles L-type gas-tpe fitting 5.
The both ends of mixed air vessel's pillar 10 are threaded rod, and one end is connect with ceramic filter 9, and the other end is filtered with mixed air vessel
First 6 are threadedly coupled；O-ring 7 is fixed in 6 groove of mixed air vessel's filter, and filtering flask 8 is threadedly coupled with mixed air vessel filter 6；It is close
Packing 11 is packed into the air inlet 12 of mixed air vessel, and the air inlet 12 of mixed air vessel is threadedly coupled with filtering flask 8；PVDF right angles L-type
Gas-tpe fitting 5 is encased in mixed air vessel's filter 6, and PVDF straight air pipes connector 13 is encased in the air inlet 12 of mixed air vessel.
The gas of sampling is entered in air inlet, then enter filtering flask by air inlet by PVDF straight air pipe connectors
In, the gas of multiple sampling mechanism samplings mixes in filtering flask, and mixed gas is filtered by ceramic filter, mixed air vessel
Head is finally discharged at PVDF right angles L-type gas-tpe fitting.The gas of multi-point sampling is by above-mentioned gas channel by uniformly mixing
And filtering, finally export most representative gas.
Measurement to ensure the utility model is accurate to be uniformly mixed with gas, the filtering flask 8 and mixed air vessel's filter 6 it
Between be equipped with O-ring 7.
Measurement to ensure the utility model is accurate and gas is uniformly mixed, and is set between the filtering flask 8 and air inlet 12
There is seal washer 11.
Measurement to ensure the utility model is accurate and gas is uniformly mixed, mixed air vessel's pillar 10 and ceramic filter
Seal washer 11 is equipped between device 9.
The mixed air vessel of this structure uniformly collects the flue gas of multi-point sampling, is most represented so as to measure in out of stock flue
The NO measured values of property, so as to ensure the precision of whole system.The utility model is simple in structure, easy to use, effectively improves and adopts
The uniformity of sample gas mixing.
Those skilled in the art may be used also it is to be understood that the protection scheme of the utility model is not limited only to the above embodiments
To carry out various permutation and combination and transformation on the basis of above-described embodiment, without departing from the spirit of the present invention,
The various transformation carried out to the utility model are all fallen in the scope of protection of the utility model.
Claims (4)
1. a kind of mixed air vessel for CEMS systems, it is characterized in that including filtering flask（8）, the filtering flask（8）One end spiral shell
Line connects air inlet（12）, other end threaded connection mixed air vessel filter（6）, the filtering flask（8）It is interior to be equipped with mixed air vessel
Pillar（10）, mixed air vessel's pillar（10）Threaded one end connection mixed air vessel filter（6）, other end connection ceramic filter
Device（9）；The air inlet（12）It is equipped with several PVDF straight air pipes connectors（14）, mixed air vessel's filter（6）It is equipped with
PVDF right angles L-type gas-tpe fitting（5）.
2. a kind of mixed air vessel for CEMS systems according to claim 1, it is characterized in that the filtering flask（8）With it is mixed
Close gas chamber filter（6）Between be equipped with O-ring（7）.
3. a kind of mixed air vessel for CEMS systems according to claim 1, it is characterized in that the filtering flask（8）With into
Gas port（12）Between be equipped with seal washer（11）.
4. a kind of mixed air vessel for CEMS systems as claimed in any of claims 1 to 3, it is characterized in that described
Mixed air vessel's pillar（10）And ceramic filter（9）Between be equipped with seal washer（11）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721883257.1U CN207600841U (en) | 2017-12-28 | 2017-12-28 | A kind of mixed air vessel for CEMS systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721883257.1U CN207600841U (en) | 2017-12-28 | 2017-12-28 | A kind of mixed air vessel for CEMS systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207600841U true CN207600841U (en) | 2018-07-10 |
Family
ID=62769282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721883257.1U Active CN207600841U (en) | 2017-12-28 | 2017-12-28 | A kind of mixed air vessel for CEMS systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207600841U (en) |
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2017
- 2017-12-28 CN CN201721883257.1U patent/CN207600841U/en active Active
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