CN107356701A - Example boat flange extends out the type SCR denitration device for detecting activity that declines - Google Patents
Example boat flange extends out the type SCR denitration device for detecting activity that declines Download PDFInfo
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- CN107356701A CN107356701A CN201710669739.5A CN201710669739A CN107356701A CN 107356701 A CN107356701 A CN 107356701A CN 201710669739 A CN201710669739 A CN 201710669739A CN 107356701 A CN107356701 A CN 107356701A
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- 230000000694 effects Effects 0.000 title claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 46
- 238000006243 chemical reaction Methods 0.000 claims abstract description 35
- 239000003546 flue gas Substances 0.000 claims abstract description 34
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000009826 distribution Methods 0.000 claims abstract description 24
- 239000007789 gas Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000007689 inspection Methods 0.000 claims abstract description 9
- 238000002347 injection Methods 0.000 claims abstract description 8
- 239000007924 injection Substances 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 239000000523 sample Substances 0.000 description 20
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 14
- 238000001514 detection method Methods 0.000 description 14
- 238000012360 testing method Methods 0.000 description 12
- 229910021529 ammonia Inorganic materials 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 7
- 239000010410 layer Substances 0.000 description 4
- 238000011068 loading method Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000006101 laboratory sample Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 108700018263 Brassica oleracea SCR Proteins 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/10—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using catalysis
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention provides a kind of example boat flange to extend out the type SCR denitration device for detecting activity that declines.The device includes distribution unit, water injection unit, preheating unit, reaction member, flue gas inspection unit and tail gas treating unit, the reaction member includes heating furnace and the example boat being placed in stove, heating furnace top sets air inlet pipe flange, bottom sets outlet pipe flange, and inlet, outlet flange connects the pipeline of air supply unit and the pipeline of tail gas treating unit respectively；Example boat includes middle sample pipe and the upper and lower flange at both ends；When example boat is placed in heating furnace, the upper and lower flange at example boat both ends is mutually assembled with inlet, outlet pipe flange respectively, and example boat is fixed in heating furnace.
Description
Technical field：
The invention belongs to catalyst detection technique field, is related to a kind of SCR denitration device for detecting activity, and in particular to a kind of
Example boat flange extends out the type SCR denitration device for detecting activity that declines.
Background technology：
Miniature SCR denitration device for detecting activity is a kind of reality for being used to assess SCR denitration process performance index
Detection means is tested, it measures simulated flue gas and pass through SCR denitration by the operating condition environment of simulative power plant SCR denitration
The change of component before and after catalyst, to assess the indices such as the denitration efficiency of test sample, activity, the escaping of ammonia.
In recent years China is increasingly strict for the Con trolling index of power plant emission nitrogen oxides, and Thermal Power Enterprises take off to SCR flue gases
Nitre system is especially as the quality surveillance of the SCR catalyst for denitrating flue gas of core component and attention degree also day of management work
Benefit enhancing.
The reaction member of SCR denitration device for detecting activity need to simulate de- when simulating actual denitration SCR reactors
Hot environment in nitre SCR reactor areas, at the same require simulation region in temperature it is constant, uniform, thus require SCR denitration
The reaction member outer wall of catalyst activity testing equipment needs sufficiently thick heat-insulation layer.It is to prevent simulated flue gas from leaking during test
Experimental result is impacted, also needs to ensure the tightness of reactor.Above-described every experiment condition causes SCR denitration to urge
The reaction member of agent device for detecting activity is complicated, and this causes SCR denitration device for detecting activity in dress sample and unloaded
It is very cumbersome during sample.
The content of the invention：
In view of the above-mentioned problems, the type SCR denitration Activity determination dress that declines is extended out the invention provides a kind of example boat flange
Put.
The concrete technical scheme of the present invention is as follows：
A kind of example boat flange extends out the type SCR denitration device for detecting activity that declines, including distribution unit, water injection unit,
Preheating unit, reaction member, flue gas inspection unit and tail gas treating unit, the reaction member include heating furnace and are placed in stove
Example boat, heating furnace top sets air inlet pipe flange, and bottom sets outlet pipe flange, and inlet, outlet flange connects supply respectively
The pipeline of unit and the pipeline of tail gas treating unit；Example boat includes middle sample pipe and the upper and lower flange at both ends；Work as example boat
When being placed in heating furnace, the upper and lower flange at example boat both ends is mutually assembled with inlet, outlet pipe flange respectively, and example boat is fixed on
In heating furnace.
The further design of the present invention is：
Outlet pipe flange is additionally provided with mechanical lifting mechanism, matched, the connection of outlet pipe flange and tail gas treating unit
Pipeline is provided with one section of bellows.
Rectification orifice plate is additionally provided with the air supply unit pipeline being connected with air inlet pipe flange, before entering example boat for gas
Rectification.
Heating furnace uses vertical laterally opened heat-insulating heating furnace, the laterally opened dismounting for facilitating example boat.
Upper and lower flange is equipped with sealed groove with inlet, outlet pipe flange mating surface, and sealing is provided with sealed groove
Part.
The seal uses Graphite pad.
The bore of the upper and lower flange and inlet, outlet pipe flange is more than heating furnace bore, in order to install.
Heating furnace top corresponds to upper flange and is provided with insulation clip with air inlet pipe flange cooperation position；Under heating furnace bottom is corresponding
Flange also is provided with being incubated clip with outlet pipe flange cooperation position.
Distribution unit includes HN3Distribution unit, SO2Distribution unit, NO distributions unit, compressed air distribution unit and N2Match somebody with somebody
Gas unit, they are respectively equipped with pressure-reducing valve, pneumatic filter, mass flow meter and mass flow meter calibrating mouth.
The main bag constant-flux pump of water injection unit（Band Flow-rate adjustment measurement function）, filter and water-storing bottle；Preheating unit uses
Coil tube type heating stove；Tail gas treating unit mainly bag coiled tube condenser, absorption bottle and drying bottle；Flue gas inspection unit mainly wraps
Flue gas analyzer and pretreatment unit, the unit gather to reaction member air inlet and outlet side sampling processing respectively.
The function of the device is to assess denitration efficiency, activity, the SO of catalyst2/SO3The items such as conversion ratio, the escaping of ammonia refer to
Mark.Convenient in the case where not destroying reactor insulation SCR denitration sample can be dismounted, avoid heat-insulation layer repeated disassembled and assembled
Caused by heat-insulating property decline.Example boat is connected using flange form in the device reaction device, it is ensured that closed in reactor
Property, prevent because of error caused by poorly sealed.Without repeated disassembled and assembled heat-insulation layer, wound of the insulation materials such as glass fiber cotton to human body is avoided
Evil.
The present invention provides a kind of example boat flange and extends out the type SCR denitration device for detecting activity that declines.The device
Function is to assess denitration efficiency, activity, the SO of catalyst2/SO3The indices such as conversion ratio, the escaping of ammonia.
Example boat is connected with example boat front and rear pipes using flange in reaction member, is avoided because of the poorly sealed shadow of reaction member
Ring experimental result.Heating furnace facilitates the installation and dismounting of example boat using laterally opened.Example boat is in laterally opened heat-insulating heating furnace
It is interior, SCR denitration detection sample is in the temperature environment of homogeneous constant.Simulated flue gas first passes through before entering example boat
Rectification orifice plate rectification, after meeting certain Flow Field Distribution requirement, SCR denitration sample is passed through, and occur
NH3-SCR NOx（NH3Selective Catalytic Reduction of NOxReaction）Denitration reaction.
The present invention has the advantages that compared with prior art：
First, detection means of the invention can carry out miniature catalyst activity test, and detection mode meets power industry standard（DL/T
1286-2013）It is required that compared to temperature more constant homogeneous in general small-sized detection means reaction member.
2nd, the reactor part of the detection means uses side opening door, and heat-insulation layer avoids experimenter without repeated disassembled and assembled
Bomi cellucotton is contacted, prevents glass fibre cotton-wadded quilt people suction from causing the injury to human body.
3rd, the example boat of the detection means is connected with admission line, discharge duct using flange, in long-time hot environment
In can guarantee that seal, avoid influence of the detection means to experimental result caused by gas leakage.
4th, the reaction member bottom of the detection means uses bellows and mechanical lifting mechanism, and mechanical lifting mechanism is being torn open
Controllable reaction unit discharge duct flange face height when filling sample, it is easy to example boat to adjust air inlet pipe flange, escape pipe when dismounting
Relative distance between flange, facilitate fixation when example boat dismounting and example boat loading.Reaction member lower bellows are used for
The thermal stress caused by example boat expansion is compensated when detection means heats, prevents the pipeline welding portion caused by example boat expanded by heating
Position drawing crack.
5th, gas mixer and ammonia blender are provided with the detection means, is improved into the uniform of sample cell gas
Property, avoid the influence to experimental result caused by the various gas mixings of injection are uneven.
Brief description of the drawings:
Fig. 1 is the flowage structure schematic diagram of apparatus of the present invention.
Fig. 2 is the example boat structural representation in apparatus of the present invention.
In figure：1-1：10%HN3 pressure-reducing valves；1-2：10%HN3 filters；1-3：10%HN3Mass flowmenter front end turns off
Valve；1-4：10%HN3Mass flowmenter supply calibration mouth；1-5：10%HN3Mass flowmenter；1-6：10%HN3After mass flowmenter
Hold shut-off valve；1-7：10%HN3Mass flowmenter testing calibration mouth；2-1：SO2Pressure-reducing valve；2-2：SO2Filter；2-3：SO2Matter
Measure flowmeter front end shut-off valve；2-4：SO2Mass flowmenter supply calibration mouth；2-5：SO2Mass flowmenter；2-6：SO2Quality stream
Gauge rear end shut-off valve；2-7：SO2Mass flowmenter testing calibration mouth；3-1：10%NO pressure-reducing valves；3-2：10%NO filters；3-
3：10%NO mass flowmenters front end shut-off valve；3-4：10%NO mass flowmenters supply calibration mouth；3-5：10%NO mass flows
Meter；3-6：10%NO mass flowmenters rear end shut-off valve；3-7：10%NO mass flowmenter testing calibration mouths；4-1：Compressed air subtracts
Pressure valve；4-2：Compressed-air filter；4-3：Compressed air quality flowmeter front end shut-off valve；4-4：Compressed air quality flow
Meter supply calibration mouth；4-5：Compressed air quality flowmeter； 4-6：Compressed air quality flowmeter rear end shut-off valve； 4-7：Pressure
Contracting air flow meter testing calibration mouth； 5-1：N2Pressure-reducing valve；5-2：N2Filter；5-3：N2Mass flowmenter front end turns off
Valve；5-4：N2Mass flowmenter supply calibration mouth；5-5：N2Mass flowmenter；5-6：N2Mass flowmenter rear end shut-off valve；5-7：
N2Mass flowmenter testing calibration mouth； 8：Gas mixer；9：Preheating furnace；10：Constant-flux pump；11：Water-storing bottle；12：Triple valve；
13：Ammonia blender；14：Reaction member entrance thermocouple；15：Flue gas inspection sample tap；16：Rectification orifice plate；17：It is laterally opened to add
Hot stove；18：Example boat；19：Flange bolt；20：Mechanical lifting mechanism；21：Bellows；22：Tail gas monitors thermocouple；
23：It is incubated clip；24：Flue gas analysis unit；25：Coiled tube condenser；26：Water circulating pump；27：Condensate water blowoff valve；28：Inhale
Receive bottle；29：Drying bottle；31：Air inlet pipe flange；32:Example boat upper flange；33：Example boat lower flange；34：Outlet pipe flange；
35：Graphite pad.
Embodiment：
Embodiment one：
As shown in Figure 1 and Figure 2, example boat flange of the invention extends out the type SCR denitration device for detecting activity that declines, including
Distribution unit, water injection unit, preheating unit, reaction member, flue gas inspection unit and tail gas treating unit.
Distribution unit can include HN3Distribution unit, SO2Distribution unit, NO distributions unit, compressed air distribution unit and
N2Distribution unit, each distribution unit are mainly provided with pressure-reducing valve, pneumatic filter, mass flowmenter（Band flow regulating function）And matter
Measure flow meter calibrating mouth.
The main bag constant-flux pump 10 of water injection unit（Band Flow-rate adjustment measurement function）, filter and water-storing bottle 11；Preheating unit
Using coil tube type heating stove；Tail gas treating unit mainly bag coiled tube condenser 25, absorption bottle 28 and drying bottle 29；Flue gas inspection
Mainly bag flue gas analyzer and pretreatment unit, the unit gather at reaction member air inlet and outlet side sampling unit respectively
Reason.
Reaction member mainly includes heating furnace 17, rectification orifice plate 16, example boat 18 and mechanical lifting mechanism 20；Heating furnace is adopted
With vertical laterally opened heat-insulating heating furnace, example boat 18 is placed in heating furnace, and heating furnace top is provided with to be connected with air supply unit pipeline
Air inlet pipe flange 31, bottom is provided with the outlet pipe flange 34 that is connected with tail gas treating unit pipeline；It is sample in the middle part of example boat
Pipe, example boat both ends are respectively equipped with upper and lower flange（32、33）；When example boat is placed in heating furnace, middle sample pipe, which is located at, to be added
In hot stove, the upper and lower flange in both ends is placed in outside stove and upper and lower flange mutually assembles with inlet, outlet pipe flange respectively, and example boat is fixed
In heating furnace, and the sample cell of example boat connects with air inlet pipe and escape pipe.It is additionally provided with 31 anterior pipeline of air inlet pipe flange
Rectification orifice plate, for rectification.Upper and lower flange is equipped with sealed groove with inlet, outlet pipe flange mating surface, and in sealed groove
Graphite pad 35 is installed, the sealed connection for the sample cell and air inlet pipe and escape pipe of example boat.Heating furnace top and the bottom are corresponding
Upper and lower flange is provided with insulation clip, the insulation for the position with inlet, outlet pipe flange cooperation position.Heating furnace top is with
It is also possible to set protective layer on the pipeline in portion, is also used for being incubated.
Outlet pipe flange 34 is provided with mechanical lifting mechanism, and the escape pipe that outlet pipe flange 34 connects is provided with one section of bellows
21, to adapt to the lifting of outlet pipe flange 34.Mechanical lifting mechanism 20 can use steel rack, gear and crank type hand handle knot
Structure, by crank type hand handle band moving gear, gear band carry-over bar adjusting gear rack height, so as to drive outlet pipe flange 34 and example boat
The cooperation of lower flange is with separating, in order to change sample in example boat.
Embodiment two：
This example outlet pipe flange is not provided with mechanical lifting mechanism, and bellows is not also set on the escape pipe of outlet pipe flange connection, its
Remaining same embodiment one.
Embodiment three：
The example boat flange of the embodiment of the present invention one extends out the course of work for the type SCR denitration device for detecting activity that declines：
In the present invention, pressure-reducing valve 1-1,2-1,3-1,4-1,5-1 in distribution unit are by the 10%HN from gas storage cylinder3、SO2、
10%NO and compressed air from air compressor machine and nitrogen making machine, N2Be decompressed to 0.3-0.6MPa, by filter 1-2,2-2,3-2,
Mass flowmenter front end is supplied to after 4-2,5-2 filtering.Mass flowmenter front end set supply calibration mouth 1-4,2-4,3-4,4-4,
5-4, mass flowmenter rear end set testing calibration mouth 1-6,2-6,3-6,4-6,5-6, are easy to calibrating quality flowmeter.Quality stream
Gauge front end shut-off valve 1-3,2-3,3-3,4-3,5-3 and rear end shut-off valve 1-7,2-7,3-7,4-7,5-7 are as mass flow
Intake and exhaust pipeline is easy to calibrating quality flowmeter before and after being turned off during meter calibrating.Mass flowmenter（Band flow regulating function）2-5、3-
5th, 4-5,5-5 are by adjusting SO2, 10%NO, compressed air, N2Flow control the component of simulated flue gas, pass through mass flow
The a certain amount of SO of meter2, 10%NO, compressed air, N2The simulated flue gas of butt is formed after gas mixer 8 is well mixed.Simulation
The water content of flue gas is controlled by adjusting the flow of the water in the extraction water-storing bottle 11 of constant-flux pump 10, and advection pump discharge sets threeway
Valve 12 is used to check output.
Butt simulated flue gas brings the water that constant-flux pump injects to preheating furnace 9, and simulated flue gas is heated to testing institute by preheating furnace
Temperature is needed, the heating-up temperature of preheating furnace is that can set formula.10%HN3Mass flowmenter（Band flow regulating function）1-5 passes through control
10%HN3Flow will needed for a certain amount of 10%HN3Inject in the simulated flue gas after preheating furnace preheating.Simulated flue gas and 10%HN3
Mixed flue gas injects reaction member after ammonia blender 13 is well mixed.Reaction member entrance sets thermocouple 14 to use
In the flue-gas temperature of detection injection reaction member, the simulated flue gas that rectification orifice plate 16 passes through example boat to rectification.Flue gas inspection
Thus unit 24 can calculate SCR denitration catalysis by the composition of the simulated flue gas of sample tap 15 before and after extraction detection example boat
Denitration efficiency, activity, the SO of agent2/SO3The indexs such as conversion ratio, the escaping of ammonia.Pressed before and after measuring reaction member by pressure difference transmitter
The pressure difference of poor measuring point 15 can draw the front and rear pressure difference of SCR denitration.Thermocouple 16 is used by way of detecting exhaust temperature
To judge there there is without exception simulation flue-gas temperature in reaction member.By the simulated flue gas of reaction member by tail gas treating unit
Coiled tube condenser 25 is cooled, and down cycles water is circulated by circulating pump 26, and coiled tube condenser lower end sets blowdown
Valve 27 is used to exclude the condensed water condensed during flue gas cool-down.Simulated flue gas after cooling absorbs SO therein through absorption bottle 282、
NO、HN3, drying bottle 29 absorb simulated flue gas in moisture after be emitted into air.
Example boat 18 wherein in reaction member is the carrier of laboratory sample, and laboratory sample is loaded in example boat during experiment
In, example boat is loaded into laterally opened heating furnace 17, and example boat upper flange 32 and lower flange 33 are connected in laterally opened heating furnace
Top air inlet pipe flange 31 and lower exhaust port flange 34.All flanges are non-standard flange and carry closed tongue and groove, concavo-convex
Graphite pad 36 is installed between groove and is used for sealing flange face, flange face diameter is more than laterally opened heating furnace diameter.All flanges
Fixing bolt 19 protrudes laterally opened heating furnace outer wall section in flange face, and part insulation is protected by hard heat-insulated clip 23
Temperature.Laterally opened heating furnace lower exhaust passage is provided with bellows 21 and mechanical lifting mechanism 20, and mechanical lifting mechanism can adjust
Reaction member discharge duct upper flange surface height, is easily installed dismounting example boat.
Sample takes hard heat-insulated clip when loading, and the upper and lower flange bolt of example boat is removed, by mechanically carrying
Rising device reduces example boat lower flange face height, takes out example boat and carries out sample loading.The example boat for being mounted with sample is put
Enter in laterally opened heating furnace, air pipe flange face height is lifted out by mechanical lifting device, example boat is pressed on laterally opened
In heating furnace between upper lower flange, lower flange on example boat is installed and is connected bolt.Laterally opened Compaction of Heating Furnace Door is closed, will be hard
Vacuum clip is arranged on lower flange on sample cell and protruded to be used to be incubated at laterally opened heating furnace, can start to test.
Claims (10)
1. a kind of example boat flange extends out the type SCR denitration device for detecting activity that declines, including distribution unit, water filling list
Member, preheating unit, reaction member, flue gas inspection unit and tail gas treating unit, it is characterized in that：The reaction member includes heating
Stove and the example boat being placed in stove, heating furnace top set air inlet pipe flange, and bottom sets outlet pipe flange, inlet, outlet flange
The pipeline of air supply unit and the pipeline of tail gas treating unit are connected respectively；Example boat includes the upper and lower of middle sample pipe and both ends
Flange；When example boat is placed in heating furnace, the upper and lower flange at example boat both ends mutually assembles with inlet, outlet pipe flange respectively, will
Example boat is fixed in heating furnace.
2. example boat flange extends out the type SCR denitration device for detecting activity that declines, its feature according to claim 1
It is：Outlet pipe flange is additionally provided with mechanical lifting mechanism, matched, the connecting tube of outlet pipe flange and tail gas treating unit
Road is provided with one section of bellows.
3. the type SCR denitration device for detecting activity that declines is extended out according to example boat flange described in claim 2, it is characterized in that：
Rectification orifice plate is additionally provided with the air supply unit pipeline being connected with air inlet pipe flange.
4. example boat flange extends out the type SCR denitration device for detecting activity that declines, its feature according to claim 3
It is：Heating furnace uses vertical laterally opened heat-insulating heating furnace.
5. extending out the type SCR denitration device for detecting activity that declines according to any example boat flanges of claim 1-4, it is special
Sign is：Upper and lower flange is equipped with sealed groove with inlet, outlet pipe flange mating surface, and seal is provided with sealed groove.
6. example boat flange extends out the type SCR denitration device for detecting activity that declines, its feature according to claim 5
It is：The seal uses Graphite pad.
7. example boat flange extends out the type SCR denitration device for detecting activity that declines, its feature according to claim 5
It is：The bore of the upper and lower flange and inlet, outlet pipe flange is more than heating furnace bore.
8. example boat flange extends out the type SCR denitration device for detecting activity that declines, its feature according to claim 7
It is：Heating furnace top corresponds to upper flange and is provided with insulation clip with air inlet pipe flange cooperation position；Heating furnace bottom corresponds to lower flange
It also is provided with being incubated clip with outlet pipe flange cooperation position.
9. example boat flange extends out the type SCR denitration device for detecting activity that declines, its feature according to claim 5
It is：Distribution unit includes HN3Distribution unit, SO2Distribution unit, NO distributions unit, compressed air distribution unit and N2Distribution list
Member, they are respectively equipped with pressure-reducing valve, pneumatic filter, mass flow meter and mass flow meter calibrating mouth.
10. the type SCR denitration device for detecting activity that declines is extended out according to example boat flange described in claim 5, it is characterized in that：
Water injection unit mainly bag constant-flux pump, filter and water-storing bottle；Preheating unit uses coil tube type heating stove；Tail gas treating unit is main
Bag coiled tube condenser, absorption bottle and drying bottle；Flue gas inspection unit mainly bag flue gas analyzer and pretreatment unit, the unit
Gather respectively to reaction member air inlet and outlet side sampling processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710669739.5A CN107356701A (en) | 2017-08-08 | 2017-08-08 | Example boat flange extends out the type SCR denitration device for detecting activity that declines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710669739.5A CN107356701A (en) | 2017-08-08 | 2017-08-08 | Example boat flange extends out the type SCR denitration device for detecting activity that declines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107356701A true CN107356701A (en) | 2017-11-17 |
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ID=60287207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710669739.5A Pending CN107356701A (en) | 2017-08-08 | 2017-08-08 | Example boat flange extends out the type SCR denitration device for detecting activity that declines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107356701A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061036A (en) * | 2018-10-31 | 2018-12-21 | 国电环境保护研究院有限公司 | It is a kind of can self-test SCR denitration device for detecting activity and self checking method |
| CN111781296A (en) * | 2020-08-04 | 2020-10-16 | 大唐南京环保科技有限责任公司 | Flat plate type denitration catalyst activity detection system and method |
Citations (11)
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