CN207717449U - A kind of sampler that blocks water for denitration detector - Google Patents
A kind of sampler that blocks water for denitration detector Download PDFInfo
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- CN207717449U CN207717449U CN201820144806.1U CN201820144806U CN207717449U CN 207717449 U CN207717449 U CN 207717449U CN 201820144806 U CN201820144806 U CN 201820144806U CN 207717449 U CN207717449 U CN 207717449U
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- condenser
- denitration
- air inlet
- detector
- water
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Abstract
The utility model discloses a kind of samplers that blocks water for denitration detector, including sampling head, threeway exhaust-valve, the first steam-water separator, the first condenser, first filter, sampling pump, the second condenser, calibration three-way magnetic valve, main road flowmeter and macromolecule water blocking device.Advantage：The moisture in sample gas is detached using steam-water separator, coagulator, filter and water blocking device before sample gas enters denitration detector, condensed, filtered, is removed, and then prevents moisture and enter in denitration detector, ensure the accuracy of detection, and reduce equipment failure rate, reduces maintenance cost.
Description
Technical field：
The utility model is related to denitration flue gas inspection technical fields, relate in particular to a kind of resistance for denitration detector
Water-sampling device.
Background technology：
Denitration detector is mainly used for measuring entrance nitrogen oxides and oxygen amount in Denitration in Boiler flue gas, wherein de-
Smoke of gunpowder gas sample gas is that have sampling head to be extracted from burner hearth flue into small denitration detector of CEMS, the temperature of denitration flue gas sample gas
It is down to room temperature by 300 degree, the vapor in flue gas can be condensed into water droplet in the process, and the moisture of condensation is caused to enter denitration inspection
It surveys in instrument, instrument fault is caused to damage, denitration NOx, which is measured, to be not allowed, and environment protection digital is exceeded, also, surveys instrument once damage
It carries out returning repair in shop reason, maintenance cost is high.
Utility model content：
The purpose of this utility model is to provide a kind of samplers that blocks water for denitration detector, prevent moisture entrance
In denitration detector.
The utility model is implemented by following technical solution：A kind of sampler that blocks water for denitration detector comprising
Sampling head, threeway exhaust-valve, the first steam-water separator, the first condenser, first filter, sampling pump, the second condenser, calibration
Three-way magnetic valve, main road flowmeter, macromolecule water blocking device and needle-valve, the gas outlet of the sampling head and the threeway exhaust-valve
First port is connected to, and the second port of the threeway exhaust-valve is connected to the air inlet of first steam-water separator, and described the
The gas outlet of one steam-water separator is connected to the air inlet of first condenser, the gas outlet of first condenser with it is described
The air inlet of first filter is connected to, and the gas outlet of the first filter is connected to the air inlet of the sampling pump；The needle
Valve is arranged in parallel with the sampling pump, and the gas outlet of the sampling pump is divided into two-way, is examined all the way by bypass flow meter and denitration
The exhaust pipe connection of instrument is surveyed, another way is connected to the air inlet of second condenser；The outlet of second condenser
Mouth is connected to the first port of the calibration three-way magnetic valve, and the second port of the calibration three-way magnetic valve passes through standard gas flow
Meter is connected to standard gas air inlet pipe, and the third port of the calibration three-way magnetic valve passes through the main road flowmeter and the macromolecule
The air inlet of water blocking device is connected to, and the gas outlet of the macromolecule water blocking device is connected to the air inlet of the denitration detector.
Further, the air inlet of the sampling head is connected to the gas outlet of fore filter.
Further, further include the second mistake being arranged between the calibration three-way magnetic valve and the main road flowmeter
Filter, the air inlet of second filter are connect with the third port of the calibration three-way magnetic valve, second filter
Gas outlet be connected to the air inlet of the main road flowmeter.
Further, first steam-water separator, first condenser, second condenser discharge outlet on
It is connected to the water inlet of peristaltic pump.
The advantages of the utility model：Steam-water separator, coagulator, filter are utilized before sample gas enters denitration detector
The moisture in sample gas is detached with water blocking device, condenses, filter, removing, and then prevents moisture and enters in denitration detector, is protected
The accuracy of detection is demonstrate,proved, and reduces equipment failure rate, reduces maintenance cost.
Description of the drawings：
Fig. 1 is the overall structure diagram of the present embodiment.
Sampling head 1, threeway exhaust-valve 2, the first steam-water separator 3, the first condenser 4, first filter 5, sampling pump 6,
Second condenser 7, calibration three-way magnetic valve 8, main road flowmeter 9, macromolecule water blocking device 10, fore filter 11, second filter
Device 12, standard gas flowmeter 13, by-pass gauge 14, denitration detector 15, exhaust pipe 16, standard gas air inlet pipe 17, peristaltic pump
18, needle-valve 19.
Specific implementation mode：
As shown in Figure 1, a kind of sampler that blocks water for denitration detector comprising sampling head 1, threeway exhaust-valve 2,
First steam-water separator 3, the first condenser 4, first filter 5, sampling pump 6, the second condenser 7, calibration three-way magnetic valve 8,
The air inlet of main road flowmeter 9, macromolecule water blocking device 10 and needle-valve 19, sampling head 1 is connected to the gas outlet of fore filter 11；
The gas outlet of sampling head 1 is connected to the first port of threeway exhaust-valve 2, the second port of threeway exhaust-valve 2 and the first carbonated drink point
Air inlet connection from device 3, the third port of threeway exhaust-valve 2 externally empty, the gas outlet and first of the first steam-water separator 3
The air inlet of condenser 4 is connected to, and the gas outlet of the first condenser 4 is connected to the air inlet of first filter 5, first filter 5
Gas outlet be connected to the air inlet of sampling pump 6；Needle-valve 19 is arranged in parallel with sampling pump 6, and the gas outlet of sampling pump 6 is divided into two
Road is connected to by bypass flow meter 14 with the exhaust pipe 16 of denitration detector 15 all the way, another way and the second condenser 7
Air inlet is connected to；The gas outlet of second condenser 7 is connected to the first port of calibration three-way magnetic valve 8, calibrates three-way magnetic valve 8
Second port be connected to standard gas air inlet pipe 17 by standard gas flowmeter 13, calibration three-way magnetic valve 8 third port pass through master
Road flowmeter 9 is connected to the air inlet of macromolecule water blocking device 10, gas outlet and the denitration detector 15 of macromolecule water blocking device 10
Air inlet is connected to；
It further includes the second filter 12 being arranged between calibration three-way magnetic valve 8 and main road flowmeter 9, the second filtering
The air inlet of device 12 is connect with the third port of calibration three-way magnetic valve 8, gas outlet and the main road flowmeter 9 of the second filter 12
Air inlet connection；
First steam-water separator 3, the first condenser 4, the second condenser 7 discharge outlet with the water inlet of peristaltic pump 18 connect
It is logical.
Operation instruction：
1, instrument calibrates 8 dead electricity of three-way magnetic valve when unit operation measures, and denitration detector 15 is put into, wherein
2 dead electricity of threeway exhaust-valve, the sampled head 1 of flue gas and the sampling line for having heat tracing enter the first steam-water separation by threeway exhaust-valve 2
Device 3, the water of condensation are discharged into the final discharge system of waste line, flue gas again through the 4 further condensed water outlet of the first condenser, after by
First filter 5 and the supercharging of sampling pump 6 enter the second further condensation of condenser 7, and rear flue gas is through the second filter 12, main road stream
Gauge 9, macromolecule water blocking device 10 eventually enter into denitration detector 15 analysis shows that nitrogen oxides and oxygen contained in current flue gas
Amount；
2, when unit operation is verified, calibration three-way magnetic valve 8 charges instrument, blocks main road smoke sampling, but
It is blocked water through standard gas flowmeter 13, calibration three-way magnetic valve 8, the second filter 12, main road flowmeter 9, macromolecule by standard gas import
Device 10 enters denitration detector 15, and instrument check work is carried out after registration stabilization through the stipulated time；
3, in compressor emergency shutdown, threeway exhaust-valve 2 charges instrument, and the sampled pipeline of flue gas passes through threeway exhaust-valve in flue
2 directly empty, and denitration detector 15, condenser draining peristaltic pump, sampling pump 6 and the first condenser 4, the second condenser 7 are all
Dead electricity is stopped to extend system equipment service life.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (5)
1. a kind of sampler that blocks water for denitration detector, which is characterized in that it includes sampling head, threeway exhaust-valve,
One steam-water separator, the first condenser, first filter, sampling pump, the second condenser, calibration three-way magnetic valve, main road flow
Meter, macromolecule water blocking device and needle-valve, the gas outlet of the sampling head are connected to the first port of the threeway exhaust-valve, and described three
The second port of logical exhaust-valve is connected to the air inlet of first steam-water separator, the gas outlet of first steam-water separator
It is connected to the air inlet of first condenser, the gas outlet of first condenser connects with the air inlet of the first filter
Logical, the gas outlet of the first filter is connected to the air inlet of the sampling pump；The needle-valve is set with the sampling parallel connection of pumps
It sets, the gas outlet of the sampling pump is divided into two-way, is connected to all the way with the exhaust pipe of denitration detector by bypass flow meter,
Another way is connected to the air inlet of second condenser；The gas outlet of second condenser and the calibration three-way magnetic valve
First port connection, it is described calibration three-way magnetic valve second port be connected to standard gas air inlet pipe by standard gas flowmeter, institute
The third port for stating calibration three-way magnetic valve is connected to by the main road flowmeter with the air inlet of the macromolecule water blocking device, institute
The gas outlet for stating macromolecule water blocking device is connected to the air inlet of the denitration detector.
2. a kind of sampler that blocks water for denitration detector according to claim 1, which is characterized in that the sampling
The air inlet of head is connected to the gas outlet of fore filter.
3. according to a kind of any sampler that blocks water for denitration detector of claims 1 or 2, which is characterized in that
It further includes the second filter being arranged between the calibration three-way magnetic valve and the main road flowmeter, second filtering
The air inlet of device is connect with the third port of the calibration three-way magnetic valve, gas outlet and the main road of second filter
The air inlet of flowmeter is connected to.
4. according to a kind of any sampler that blocks water for denitration detector of claims 1 or 2, which is characterized in that
First steam-water separator, first condenser, second condenser discharge outlet on the water inlet of peristaltic pump
Mouth connection.
5. a kind of sampler that blocks water for denitration detector according to claim 3, which is characterized in that described first
Steam-water separator, first condenser, second condenser discharge outlet be connected to the water inlet of peristaltic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820144806.1U CN207717449U (en) | 2018-01-26 | 2018-01-26 | A kind of sampler that blocks water for denitration detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820144806.1U CN207717449U (en) | 2018-01-26 | 2018-01-26 | A kind of sampler that blocks water for denitration detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207717449U true CN207717449U (en) | 2018-08-10 |
Family
ID=63052793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820144806.1U Active CN207717449U (en) | 2018-01-26 | 2018-01-26 | A kind of sampler that blocks water for denitration detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207717449U (en) |
-
2018
- 2018-01-26 CN CN201820144806.1U patent/CN207717449U/en active Active
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