CN207689445U - A kind of SCR denitration full-scale performance detection evaluating apparatus - Google Patents
A kind of SCR denitration full-scale performance detection evaluating apparatus Download PDFInfo
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- CN207689445U CN207689445U CN201820089867.2U CN201820089867U CN207689445U CN 207689445 U CN207689445 U CN 207689445U CN 201820089867 U CN201820089867 U CN 201820089867U CN 207689445 U CN207689445 U CN 207689445U
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Abstract
The utility model discloses a kind of SCR denitration full-scale performances to detect evaluating apparatus, belongs to detection field.It includes air distribution system, main reaction system, analysis system, spray system, and the acquisition and control system for realizing control element parameter setting and automatic operating, it includes several reacting furnaces that the main reaction system, which includes sequentially connected heat exchanger, electric heater and reactor assembly, the reactor assembly, is interconnected between reacting furnace.The utility model can continuously measure the catalyst performance of four kinds of operating modes, farthest energy saving and raising working efficiency, effectively measuring denitration efficiency, the escaping of ammonia, SO in the case of not blowing out2/SO3The parameters such as conversion ratio, pressure drop.
Description
Technical field
The utility model is related to a kind of experimental provisions of detection evaluation of flue gas denitrating catalyst process performance index, more specifically
Ground is said, a kind of SCR denitration full-scale performance detection evaluating apparatus is related to.
Background technology
Catalyst performance directly influence flue gas NOx whether qualified discharge, be related to NH3Escapement ratio it is whether exceeded, be
It is no to generate salification in the equipment such as downstream air preheater.Catalyst performance index has catalyst life management and replacement plan
The foundation of stronger directive significance and denitrating system running optimizatin and adjustment.Therefore, in order to ensure denitration efficiency, NH3Escape
Rate, SO2/SO3Etc. indexs it is up to standard, it is necessary to denitrating catalyst carry out performance periodic detection and evaluation, in order to select to close
Suitable catalyst and grasp catalyst performance, works out rational catalyst life management and replacement plan, so that the later stage pair
Denitrating system running optimizatin is made with adjustment timely to be planned.
A kind of utility model patent " full-scale catalyst for denitrating flue gas operational characteristic of Patent No. 201621049479.9
The utility model patent " denitrating catalyst Activity determination evaluating apparatus " of experiment " and Patent No. 201620666864.1, the former
Reaction unit be four reactors connect two-by-two after again parallel connection form, at most survey 2 works in the case that non-stop-machine
The catalyst sample of condition；The reaction unit of the latter is the form that four reactors are sequentially connected in series, and tests the catalysis of different operating modes
When agent, heating furnace needs to be warming up to 300-400 DEG C, and tests NO, NH every time3、SO2The amount being passed through is different, therefore can not survey simultaneously
Examination is required for blowing out more catalyst changeout again, and needs a large amount of time in the process of blowing out and reheating, while also wasting energy
Source can not save time and the energy in maximum efficiency.And in the case of not blowing out, different operating modes are placed in each reacting furnace
Catalyst sample when, the error for the catalyst sample test parameter tested after causing, and then cause test data inaccurate,
The actual performance of catalyst sample can not be embodied.
The application for a patent for invention " device for detecting performance of denitrating catalyst " of Patent No. 201510659921.3, with patent
Number for 200910113055.2 patent of invention " it is a kind of for fume denitration catalyst activity detection method and apparatus " carry
The method and apparatus for having supplied denitrating catalyst Activity determination, but they are to manually control, and the above two systems all do not have
To the control measure in temperature field, flow field, it can not ensure the detection and assessment of catalyst maximal efficiency.
Thus, there is an urgent need for a kind of energy saving, higher SCR denitration full-scale performance detection evaluation dresses of efficiency at present
It sets, the catalyst of different operating modes can be tested simultaneously.
Invention content
1, it to solve the problems, such as
For there are energy waste, effects in existing SCR denitration full-scale performance detection evaluating apparatus application process
The relatively low problem of rate, the utility model provide a kind of SCR denitration full-scale performance detection evaluating apparatus, the device
Four reacting furnaces can continuously measure the catalyst performance of four kinds of operating modes using series-parallel form two-by-two in the case of not blowing out
Can, can be farthest energy saving and working efficiency be improved, and every stage reactor front end of the device is designed with rectifier, with
The uniformity for ensureing flow field, to improve denitration efficiency, the escaping of ammonia, SO2/SO3The accuracy of the parameters such as conversion ratio.In order to build
Vertical rationally efficient full-scale catalyst test apparatus, reduces catalyst performance testing cost, provides effectively technology solution party
Method.
2, technical solution
To solve the above problems, the present invention adopts the following technical scheme that.
A kind of SCR denitration full-scale performance detection evaluating apparatus, including air distribution system, main reaction system, analysis
System, spray system, acquisition and control system, air distribution system are connect with main reaction system, and analysis system is anti-with master respectively
The reactor assembly of system and data acquisition is answered to be connected to the control system, the reactor assembly of spray system and main reaction system
It is connected, acquisition and control system is connected respectively at air distribution system with main reaction system.
Wherein：Air distribution system is used to provide the unstrpped gas N for meeting simulated flue gas component proportioning2、O2、SO2、NO、NH3With
The distribution of vapor is made of distribution unit, moisturizing unit and mixed gas tank, and distribution unit includes nitrogen making machine unit, air compressor machine list
Member, SO2Supply unit, NO supply units, NH3Supply unit, moisturizing unit, N2Purge unit.Nitrogen making machine unit and air compressor machine list
First, main reaction system heat exchanger is connected with N2 purge units, and air compressor machine unit is connect with the heat exchanger of main reaction system, SO2
Supply unit inlet end and N2Purge unit connects and outlet side is connect with mixed gas tank, NO supply units inlet end and N2Purging is single
Member connects and outlet side is connect with mixed gas tank, NH3Supply unit inlet end and N2Purge unit connection and outlet side and main reaction system
Piping connection between the heater and static mixer of system mixes gas tank and the piping connection after the heat exchanger of main reaction system,
Moisturizing unit and the piping connection after the heat exchanger of main reaction system.Wherein distribution unit and moisturizing unit connection data acquisition with
Control system.
SO2Supply unit, NO supply units, the gas circuit connection of NH3 supply units are identical, with NH3For gas circuit, NH3Supply
Unit is adjusted by the first gas cylinder, the second gas cylinder, primary diaphragm valve to the 11st diaphragm valve, first filter, the second filter, first
Pressure valve is to third pressure regulator valve, the first rupture disk, the second rupture disk, the first check valve to the 6th check valve, the first solenoid valve, second
Solenoid valve, the first pneumatic operated valve, ball valve, the first mass flowmenter and the second mass flowmenter composition, wherein：First gas cylinder, second
Special gas in gas cylinder is NH3, the outlet of the first gas cylinder is provided with the first pressure sensor of signal transporting function, first pressure
The gas circuit of sensor rear end is divided into three tunnels, and the first via is emptied by primary diaphragm valve.Secondary route secondary diaphragm valve, the first filtering
Device, the first pressure regulator valve, the second check valve are in series, and the pressure relieving end of the first pressure regulator valve is connected to the first film by the first rupture disk
The rear end of plate valve.Third routing third diaphragm valve, the first check valve are in series, the first purge gass of rear termination of the first check valve
Road.The outlet of second gas cylinder is provided with the second pressure sensor of signal transporting function, the gas of second pressure sensor rear end
Road is divided into three tunnels, and the first via is emptied by the 4th diaphragm valve.The 5th diaphragm valve of secondary route, the second filter, the second pressure regulator valve,
4th check valve is in series, and the pressure relieving end of the second pressure regulator valve is connected to the rear end of the 4th diaphragm valve by the second rupture disk.The
Three the 6th diaphragm valves of routing, third check valve are in series, and the rear termination second of third check valve purges gas circuit.First is unidirectional
Valve, the 4th check valve are connect with one end of the 7th diaphragm valve respectively, the first pneumatic operated valve of another termination of the 7th diaphragm valve, the first gas
The control of dynamic valve terminates the first solenoid valve, two 1 the first pneumatic operated valve gas of termination of the first solenoid valve, the other end point of pneumatic operated valve
For two-way, third pressure regulator valve is connect all the way, and another way connects the 5th check valve, second solenoid valve, the first ball valve, third purge gass successively
Road.It is gas circuit that the other end of third pressure regulator valve and the first mass flowmenter and the second mass flowmenter are formed in parallel, the 6th unidirectional
Valve is sequentially connected in series, and the access port of the first mass flowmenter is separately installed with the tenth diaphragm valve and the 11st diaphragm valve, the second mass
The access port of flowmeter installs the 8th diaphragm valve and the 9th diaphragm valve respectively.
Moisturizing unit is followed in series to form by sink, metering pump, steam generator, check valve, ball valve, and wherein metering pump is used
The amount for the water for being pumped into steam generator, and extracting out in by the water in sink can directly be sent out by PLC module, steam generator
Act as by the water evaporation of liquid be gaseous state, the adverse current for acting as preventing gas of check valve.
N2Purge unit is made of solenoid valve block.N2Purge unit is separated by nitrogen making machine unit and provides nitrogen all the way, N2Purging
Unit by solenoid valve block respectively with SO2Supply unit, NO supply units, NH3Supply unit, analysis system connection, provide purging
Gas or pneumatic operated valve gas, solenoid valve block are carried out controlling its open and close by acquisition and control system.
Main reaction system is by heat exchanger, heater, static mixer mixed-rectification system, reactor assembly, main line list
Member composition, and heat exchanger, heater, static mixer, reactor assembly are sequentially connected in series by main line unit, mixed-rectification system
System is made of level Four mixed-rectification, and wherein first order mixed-rectification is the tubular structure inside heat exchanger, mixed for the first order
Close N2And O2Rectification is for mixing N2And O2, second level mixed-rectification is that heating tube inner annular intersection is uniformly distributed design, is used for
Second level mixing SO2/NO/H2O/N2/O2Rectification mixing SO2/NO/H2O/N2/O2, third level mixed-rectification is that static mixer is
Third level mixed-rectification, for mixing SO2/NO/H2O/N2/O2/NH3, the fourth stage is mixed into every reacting furnace entrance and connects peace
A gasotron is filled, for playing the role of fourth stage mixed-rectification to entering gas in catalyst, gasotron uses
Four-layer network shape structure, the thickness of rectifier are 33mm, the general 8mm of each interval, every layer of mesh ranging from 40-60 mesh, ensure into
The flow field of catalyst, temperature field, concentration field it is uniform..
The gas of heat exchanger flows through part and is all made of stainless steel, and steelframe uses Q25A proximate matter matter, equipment to use internal insulation
Structure, thermal insulation material use alumina silicate fibre, and heat preservation outside is using S11710 grades of protection.Flange form is all made of into degassing interface to connect
It connects and seals.Heat exchanger sets two layers of heat exchange, respectively gas-gas heat exchange and air water heat exchange.First layer is gas-gas heat exchange, utilizes entrance
Nitrogen temperature and exit gas temperature difference carry out hot transmission, and cold end flue gas highest can be heated to 280 DEG C or more.Heat exchanger will
High-temperature flue gas recycling after reactor, UTILIZATION OF VESIDUAL HEAT IN is carried out to tail gas.The second layer is aqueous vapor heat exchange, utilizes recirculated cooling water
Further cool down to exiting flue gas, heat exchanger carries out in such a way that gas-gas heat exchange adds circulating water, ensures heat exchange efficiency
Ensure flue-gas temperature≤40 DEG C after waste heat recovery simultaneously.Main line installs refrigeration machine after heat exchanger, can be with through refrigeration machine
Flue gas is set to be down to 25 DEG C or less.
Heater is electric heater, and structure is thickening type seamless steel pipe, using SUS310D materials, resistance to 700 degree of high temperature, and electricity
Heater outer layer uses 2mm thickness SS304 material stainless steels.Insulating layer temperature uses high-quality alumina silicate fibre, heat preservation thickness to reach
200mm.It is high-grade magnesia powder that electric heating wire, which uses 2080 nichrome wires, filler, and heating tube tubing is thickening type
310S seamless steel pipes, arrangement mode are uniformly distributed for traffic circle so that gas mixing homogeneous heating, operating temperature are reachable and steady
Fixed output is at 550 DEG C.
Reactor assembly carries boat, hydraulic packing system, the first motor-driven valve to the 11st electricity by 4 reacting furnaces, 4 catalyst
Dynamic valve group at.The first motor-driven valve and the second motor-driven valve, the second reacting furnace in-out end difference is respectively set in first reacting furnace in-out end
4th motor-driven valve and the 5th motor-driven valve are set, the 7th motor-driven valve and the 8th motor-driven valve is respectively set in third reacting furnace in-out end, the
The tenth motor-driven valve and the 11st motor-driven valve is respectively set in four reacting furnace in-out ends, is arranged between the first reacting furnace and the second reacting furnace
There is third motor-driven valve, the 6th motor-driven valve is provided between the second reacting furnace and third reacting furnace, third reacting furnace is reacted with the 4th
The 9th motor-driven valve is provided between stove；First motor-driven valve, the 4th motor-driven valve, the 7th motor-driven valve, the tenth motor-driven valve and analysis system
The first online ammonia table connection, the second motor-driven valve, the 5th motor-driven valve, the 8th motor-driven valve, the 11st motor-driven valve and analysis system
Second online ammonia table connection.The continuous performance test of catalyst of 4 kinds of different operating modes can be achieved without shutting down, to carry in above-mentioned connection
High working efficiency and the wasting of resources caused by effectively saving blowing out/start process.The arrangement of reacting furnace can be a row
Four, four rows or two, upper layer, lower layer two.One catalyst of setting carries boat in each reacting furnace, and catalyst carries the shape of boat
Shape is rectangular, size 168/160mm*168/160mm*1500mm, and it is SS316L stainless steel square steel that catalyst, which carries boat material, interior
Wall finish.
Reacting furnace heating part is designed to cylindrical annular heating chamber, and heating temperature is uniform, and reacting furnace is into outlet pipe and stove
It being sealed using soft thermal insulation material between body, reacting furnace both ends section is sealed using the one-time formed sealing material of 30mm thickness,
Each reacting furnace temperature field is uniformly distributed, and thermal losses is preferably minimized.Temperature is up to 100 DEG C~1000 when reacting furnace works normally
DEG C, effectively meet 160 DEG C~450 DEG C working ranges of the required temperature of catalyst.
Hydraulic packing system is made of hydraulic packing push rod, Pneumatic hydraulic oil pump.Each reacting furnace main pipeline both ends setting
Hydraulic packing push rod, Pneumatic hydraulic oil pump are sealed extruding.When reaching air-tightness setting value, push rod remains stationary as；Work as system
When generating thermal expansion in heating process, the automatic adjustment of Pneumatic hydraulic oil pump is offset.
Analysis system is made of online ammonia table unit, mobile high temperature cigarette subsystem, and online ammonia table unit is online by two
Ammonia analysis meter forms, and is loaded on the front-end and back-end of reactor assembly respectively, and mobile high temperature cigarette subsystem is each for traverse measurement
The component of reacting furnace front and back end flue gas
Spray system includes Tower for purifying waste gas, exhaust fan, PH automatic medicament feeding systems, two pressure sensors, 1 temperature biography
Sensor.Wherein：Two pressure sensors are respectively arranged in the entrance of spray system, for monitoring its pressure, in order to observe
Whether entrance blocks or whether air-flow is excessive；Temperature sensor is installed on the entry position of spray system, prevents flue-gas temperature
The excessively high operation for influencing vent gas treatment effect and spray system.
(5) acquisition and control system
Acquisition and control system includes PLC module, industrial personal computer, A/D conversion modules, relay, power module.Pressure
Sensor, solenoid valve, motor-driven valve, mass flowmenter signal output end be connected respectively with PLC module, temperature, pressure etc. number
According to PLC module is transmitted to, after PLC module after A/D conversion modules, shown on industrial personal computer, power module PLC, industrial personal computer,
A/D conversion modules provide power supply.Acquisition and control system completes the acquisition, control and alarm to systematic parameter.Pass through and is
Temperature, pressure and the flow of system, the aperture of the temperature and mass flowmenter of control links heating, make system links temperature
Degree, flow, pressure reach the precision of needs.Meanwhile system is to prevent from maloperation or system each unit from running to break down, data
Acquisition and control system meeting automatic alarm and the flow for controlling each gas, reduce temperature, pressure prevents instrument damage and thing
Therefore generation.In addition, the system operational parameters uploaded in real time, control of the personnel easy to operation to system.
Present apparatus workflow is as follows：It is first turned on nitrogen making machine, air compressor machine, further according to the measurement condition of catalyst, i.e.,：Temperature
Spend size, distribution capacity, the oxygen content of distribution, water content, ammon amount, the amount containing NO and SO2Amount, adjust distribution in N2、 O2's
Value, then the temperature of electric heater is adjusted, until the temperature of system reaches setting value, because this system uses level Four mixed-rectification,
It can be quickly so that temperature field and velocity field be stablized, to ensure the accuracy of test data；Further according to measurement condition, supplying
H2O、NO、NH3、SO2, until being completed.It, only need to be by catalyst to be tested when needing to test the catalyst of different operating modes
Reacting furnace before and after valve open, the valve behind gas reaction stokehold is closed, can be most fast most effective in the case of not blowing out
Ground is tested, and to save the testing time, (each temperature field heating needs 2-3 hours, and blowing out catalyst changeout needs 4-5 small
When), i.e., the test of each catalyst can save 6-8 hours.Stable velocity field is to accurately measure the pressure drop of catalyst front and back end
Necessary condition, thus in terms of existing technologies, the flue gas of this programme flow velocity after multi-stage rectifying enters in reacting furnace
Field is stablized, so that reaction temperature field in furnace is more stablized.
A kind of application process of SCR denitration full-scale performance detection evaluating apparatus：
Step 1：First motor-driven valve first, third motor-driven valve, the 6th motor-driven valve, the 9th motor-driven valve, the 11st motor-driven valve are opened
It opening, the second motor-driven valve, the 4th motor-driven valve, the 5th motor-driven valve, the 7th motor-driven valve, the 8th motor-driven valve, the tenth motor-driven valve are closed, and first
4 samples in reacting furnace to the 4th reacting furnace are carried out at the same time catalyst aging；
Step 2：After aging, the first motor-driven valve, the second motor-driven valve are opened, and third motor-driven valve is to the 11st electronic
Valve is closed, and the experiment of the first operating mode is carried out；
Step 3：After the first working condition measurement, the 4th motor-driven valve, five motor-driven valves, the first motor-driven valve, the second electricity are opened
Dynamic valve, the 6th motor-driven valve to the 11st motor-driven valve are closed, and the experiment of second of operating mode is carried out；
Step 4：After second of working condition measurement, the 7th motor-driven valve and the 8th motor-driven valve are opened, the first motor-driven valve is extremely
6th motor-driven valve, the 9th motor-driven valve to the 11st motor-driven valve are closed, and the experiment of the third operating mode is carried out；
Step 5：After the third working condition measurement, the tenth motor-driven valve, the 11st motor-driven valve are opened, the first motor-driven valve is extremely
Tenth motor-driven valve is closed, and the experiment of the 4th kind of operating mode is carried out, and after four kinds of operating modes are all completed, closes device.
The entire test session of this system has effectively saved the time of sample test replacement process, also saves the energy.
3, advantageous effect
Compared with the prior art, beneficial effects of the present invention are：
(1) present invention is provided by four reacting furnaces, can be by the valve before and after other several sections of reacting furnaces when testing wherein one section
It closes, need to only control the unlatching of valve before and after reacting furnace to realize under different operating modes, the test of different catalysts, thus the present invention exists
The catalyst performance of four kinds of operating modes, farthest energy saving and raising work effect can be continuously measured in the case of not blowing out
Rate, effectively measuring denitration efficiency, the escaping of ammonia, SO2/SO3The parameters such as conversion ratio, pressure drop；
(2) each reacting furnace front end of the invention is fitted with rectifier, and rectifier uses four-layer network shape structure, whole
The thickness of device is flowed for 33mm, and the general 8mm of each interval, every layer of mesh ranging from 40-60 mesh ensures into the flow field of catalyst, temperature
Spend field, concentration field it is uniform, create and accurately measure the necessary condition of catalyst front and back end pressure drop, compared with the existing technology and
Speech, flue gas velocity field after rectifier enters in reacting furnace is stablized, so that reaction temperature field in furnace is more stablized；
(3) present invention is made of level Four mixed-rectification, it is ensured that SO in flue gas2/NO/NH3/H2O/N2/O2It is uniformly mixed, flue gas
Velocity field is stablized after level Four rectification enters in reacting furnace, so that reaction temperature field in furnace is more stablized, ensures test
The accuracy of data；
(4) present invention generates N using nitrogen making machine and air compressor machine2And O2, the cost and peace that gas is used in experimentation can be saved
Quan Xing, and mobile high temperature cigarette subsystem, it is easy to operate, measuring point is effectively shortened at a distance from flue gas analyzer, to reduce
NH3、SO3Absorption and loss, it is ensured that the accuracy of measurement data.
Description of the drawings
Fig. 1 is that SCR denitration full-scale performance detects evaluating apparatus system construction drawing；
Fig. 2 is NH3Supply unit element connection figure；
Fig. 3 is rectifier structure figure；
Fig. 4 is reacting furnace connection figure.
In figure：1, the first gas cylinder；2, the second gas cylinder；3, primary diaphragm valve；4, secondary diaphragm valve；5, third diaphragm valve； 6、
4th diaphragm valve；7, the 5th diaphragm valve；8, the 6th diaphragm valve；9, the 7th diaphragm valve；10, the 8th diaphragm valve；
11, the 9th diaphragm valve；12, the tenth diaphragm valve；13, the 11st diaphragm valve；14, first filter；15, the second filtering
Device；16, the first pressure regulator valve；17, the second pressure regulator valve；18, third pressure regulator valve；19, the first rupture disk；20, the second rupture disk；21、
First check valve；22, the second check valve；23, third check valve；24, the 4th check valve；25, the 5th check valve；26, the 6th is single
To valve；27, the first solenoid valve；28, second solenoid valve；29, the first pneumatic operated valve；30, ball valve；31, the first mass flowmenter；32、
Second mass flowmenter；38, the first reacting furnace；39, the second reacting furnace；40, third reacting furnace；41, the 4th reacting furnace；42,
One motor-driven valve；43, the second motor-driven valve；44, third motor-driven valve；45, the 4th motor-driven valve；46, the 5th motor-driven valve；47, the 6th is electronic
Valve；48, the 7th motor-driven valve；49, the 8th motor-driven valve；50, the 9th motor-driven valve；51, the tenth motor-driven valve；52, the 11st motor-driven valve；
53, the first online ammonia table；54, the second online ammonia table.
Specific implementation mode
The present invention is further described below in the following with reference to the drawings and specific embodiments.
Embodiment 1
As shown in Figure 1, a kind of SCR denitration full-scale performance detects evaluating apparatus, including air distribution system, main reaction
System, analysis system, spray system, acquisition and control system, air distribution system are connect with main reaction system, analysis system point
Be not connected to the control system with the reactor assembly of main reaction system and data acquisition, spray system and main reaction system it is anti-
Device system is answered to be connected, acquisition and control system is connected respectively at air distribution system with main reaction system.
Wherein：Air distribution system is used to provide the unstrpped gas N for meeting simulated flue gas component proportioning2、O2、SO2、NO、NH3With
The distribution of vapor is made of distribution unit, moisturizing unit and mixed gas tank, and distribution unit includes nitrogen making machine unit, air compressor machine list
Member, SO2Supply unit, NO supply units, NH3Supply unit, moisturizing unit, N2Purge unit.Nitrogen making machine unit and air compressor machine list
The heat exchanger and N of member, main reaction system2Purge unit connects, and air compressor machine unit is connect with the heat exchanger of main reaction system, SO2
Supply unit respectively with N2Purge unit connect and outlet side connect with mixed gas tank, NO supply units respectively with N2Purge unit connects
It connects and outlet side is connect with mixed gas tank, NH3Supply unit respectively with N2Purge unit connect and outlet side and main reaction system plus
Piping connection between hot device and static mixer mixes gas tank and the piping connection after the heat exchanger of main reaction system, moisturizing list
Member and the piping connection after the heat exchanger of main reaction system.Wherein distribution unit and moisturizing unit connection data acquisition and control system
System.
Wherein the function of air compressor machine unit is to compress air, condense, filtering, to obtain clean air, and
Provide a system to O2And provide pure air to nitrogen making machine；Nitrogen making machine unit is connected to after air compressor machine unit, and nitrogen making machine will be empty
The pure air that press provides is handled, and the N that purity reaches 99.9% is obtained2, nitrogen making machine unit act as carrying to system
For N2。
SO2Supply unit, NO supply units, NH3Supply unit provides a system to SO successively2、NO、NH3, and each unit
Gas cylinder all be the using and the reserved, to ensure that experimentation does not interrupt.SO2Supply unit and NO supply units import mixed gas tank together
It is mixed, mixed SO2With the pipeline after NO heat exchangers, before the vapor of moisturizing unit enters heater, SO2, NO converge
Pipeline after access point.NH3 supply units import pipeline after electric heater.
SO2Supply unit, NO supply units, NH3The gas circuit connection of supply unit is identical, with NH3For gas circuit, such as Fig. 2
It is shown, NH3Supply unit is by the first gas cylinder 1, the second gas cylinder 2,3 to the 11st diaphragm valve 13 of primary diaphragm valve, first filter
14, the second filter 15, the first pressure regulator valve 16 to third pressure regulator valve 19, the first rupture disk 19, the second rupture disk 20, first are unidirectional
21 to the 6th check valve 26 of valve, the first solenoid valve 27, second solenoid valve 28, the first pneumatic operated valve 29, ball valve 30, the first mass flow
Meter 31 and the second mass flowmenter 32 form, i.e.,：Special gas in first gas cylinder 1, the second gas cylinder 2 is NH3, the first gas cylinder 1 goes out
Mouth is provided with the first pressure sensor of signal transporting function, and the gas circuit of first pressure sensor rear end is divided into three tunnels, and first
Road is emptied by primary diaphragm valve 3.Secondary route secondary diaphragm valve 4, first filter 14, the first pressure regulator valve 16, second are unidirectional
Valve 26 is in series, and the pressure relieving end of the first pressure regulator valve 16 is connected to the rear end of primary diaphragm valve 3 by the first rupture disk 19.Third
Routing third diaphragm valve 5, the first check valve 21 are in series, and the rear termination first of the first check valve 21 purges gas circuit.Second gas
The outlet of bottle 2 is provided with the second pressure sensor of signal transporting function, and the gas circuit of second pressure sensor rear end is divided into three
Road, the first via are emptied by the 4th diaphragm valve 6.The 5th diaphragm valve 7 of secondary route, the second filter 15, the second pressure regulator valve 17,
Four check valves 24 are in series, after the pressure relieving end of the second pressure regulator valve 17 is connected to the 4th diaphragm valve 6 by the second rupture disk 20
End.The 6th diaphragm valve 8 of third routing, third check valve 23 are in series, and the rear termination second of third check valve 23 purges gas circuit.
First check valve 21, the 4th check valve 24 are connect with one end of the 7th diaphragm valve 9 respectively, another termination of the 7th diaphragm valve 9
The control of one pneumatic operated valve 29, the first pneumatic operated valve 29 terminates the first solenoid valve 27, first pneumatic operated valve of termination of the first solenoid valve 27
It is divided into two-way with the other end of gas, the first pneumatic operated valve 29, connects third pressure regulator valve 18 all the way, another way connects the 5th check valve successively
25, second solenoid valve 28, the first ball valve 30, third purge gas circuit.The other end of third pressure regulator valve 18 and the first mass flowmenter
31 and second gas circuit that is formed in parallel of mass flowmenter 32, the 6th check valve 26 be sequentially connected in series, two mass flowmenters 32
Access port is separately installed with the tenth diaphragm valve 12 and the 11st diaphragm valve 13, and the access port of the first mass flowmenter 31 is installed respectively
8th diaphragm valve 10 and the 9th diaphragm valve 11.
Its workflow is：When system needs NH3When, open secondary diaphragm valve 4, NH3After the filtering of first filter 14 again
By the first pressure regulator valve 16, first filter 14 act as filtering gas, to ensure that gas is cleaning, the first pressure regulator valve 16
Act as NH3Outlet pressure adjust in a stationary value, the NH after pressure regulation3It is single by the second check valve 22, second
To valve 22 the gas for acting as ensureing the gas circuit not countercurrently, and the gas circuit of 9 front end of the 7th diaphragm valve is required to be arranged explosion-proof
In special gas, NH3After the second check valve 22, the 7th diaphragm valve 9, third pressure regulator valve 18, into mass flowmenter, the first matter
It measures flowmeter 31 and the second mass flowmenter 32 uses small one and large one collocation, to ensure the accuracy of configuration flow.Work as gas cylinder
When the pressure of outlet is more than limit value, the first rupture disk 19 will be breakdown, to play the effect of pressure release.When experiment terminates, close
Secondary diaphragm valve 4 is closed, third diaphragm valve 5 and primary diaphragm valve 2, the first solenoid valve 27, second solenoid valve 28, ball valve are opened, this
When purge gass entire pipeline is purged, avoid NH3It remains, adsorb in pipeline.When the gas of the first gas cylinder 1 in experimentation
Body is finished, and can directly close secondary diaphragm valve 24, opens the 5th diaphragm valve 7, to ensure the continuity of experiment.
Moisturizing unit is followed in series to form by sink, metering pump, steam generator, check valve, ball valve, and wherein metering pump is used
The amount for the water for being pumped into steam generator, and extracting out in by the water in sink can directly be sent out by PLC module, steam generator
Act as by the water evaporation of liquid be gaseous state, the adverse current for acting as preventing gas of check valve.
N2Purge unit is made of solenoid valve block.N2Purge unit is separated by nitrogen making machine unit and provides nitrogen all the way, N2Purging
Unit by solenoid valve block respectively with SO2Supply unit, NO supply units, NH3Supply unit, analysis system connection, provide purging
Gas or pneumatic operated valve gas, solenoid valve block are carried out controlling its open and close by acquisition and control system.
Main reaction system is made of heat exchanger, heater, static mixer, reactor assembly, main line unit, and is exchanged heat
Device, heater, static mixer, reactor assembly are sequentially connected in series by main line unit, wherein the shell and tube inside heat exchanger
Structure mixes N for the first order2And O2Rectification, electric heating tube inner annular intersection are uniformly distributed design, are mixed for the second level
SO2/NO/H2O/N2/O2Rectification, static mixer is third level mixed-rectification, for mixing SO2/NO/H2O/N2/O2/NH3, often
Platform reacting furnace entrance be installed in series gasotron for enter catalyst in gas play the role of fourth stage mixed-rectification,
Gasotron uses four-layer network shape structure, as shown in figure 3, the thickness of rectifier is 33mm, each interval general 8mm, every layer
Mesh ranging from 40-60 mesh, ensure the flow field into catalyst, temperature field, concentration field it is uniform.Stable velocity field is accurately
The necessary condition of catalyst front and back end pressure drop is measured, thus in terms of existing technologies, the flue gas of this programme is by multistage whole
Velocity field is stablized after stream enters in reacting furnace, so that reaction temperature field in furnace is more stablized.
The gas of heat exchanger flows through part and is all made of stainless steel, and steelframe uses Q25A proximate matter matter, equipment to use internal insulation
Structure, thermal insulation material use alumina silicate fibre, and heat preservation outside is using S11710 grades of protection.Flange form is all made of into degassing interface to connect
It connects and seals.Heat exchanger sets two layers of heat exchange, respectively gas-gas heat exchange and air water heat exchange.First layer is gas-gas heat exchange, utilizes entrance
Nitrogen temperature and exit gas temperature difference carry out hot transmission, and cold end flue gas highest can be heated to 280 DEG C or more.Heat exchanger will
High-temperature flue gas recycling after reactor, UTILIZATION OF VESIDUAL HEAT IN is carried out to tail gas.The second layer is aqueous vapor heat exchange, utilizes recirculated cooling water
Further cool down to exiting flue gas, heat exchanger carries out in such a way that gas-gas heat exchange adds circulating water, ensures heat exchange efficiency
Ensure flue-gas temperature≤40 DEG C after waste heat recovery simultaneously.Main line installs refrigeration machine after heat exchanger, can be with through refrigeration machine
Flue gas is set to be down to 25 DEG C or less.
Heater is electric heater, and structure is thickening type seamless steel pipe, using SUS310D materials, resistance to 700 degree of high temperature, and electricity
Heater outer layer uses 2mm thickness SS304 material stainless steels.Insulating layer temperature uses high-quality alumina silicate fibre, heat preservation thickness to reach
200mm.It is high-grade magnesia powder that electric heating wire, which uses 2080 nichrome wires, filler, and heating tube tubing is thickening type
310S seamless steel pipes, arrangement mode are uniformly distributed for traffic circle so that gas mixing homogeneous heating, operating temperature are reachable and steady
Fixed output is at 550 DEG C.
As shown in figure 4, the reactor assembly of the present embodiment by 4 reacting furnaces, 4 catalyst carry boats, hydraulic packing system,
First motor-driven valve, 42 to the 11st motor-driven valve 52 forms.The first motor-driven valve 42 and second is respectively set in first reacting furnace, 38 in-out end
Motor-driven valve 43,39 in-out end of the second reacting furnace are respectively set the 4th motor-driven valve 45 and the 5th motor-driven valve 46, third reacting furnace 40 into
The 7th motor-driven valve 48 and the 8th motor-driven valve 49 is respectively set in outlet, and the tenth motor-driven valve 51 is respectively set in 41 in-out end of the 4th reacting furnace
With the 11st motor-driven valve 52, third motor-driven valve 44, the second reacting furnace are provided between the first reacting furnace 38 and the second reacting furnace 39
It is provided with the 6th motor-driven valve 47 between 39 and third reacting furnace 40, is provided between third reacting furnace 40 and the 4th reacting furnace 41
Nine motor-driven valves 50；The of first motor-driven valve 42, the 4th motor-driven valve 45, the 7th motor-driven valve 48, the tenth motor-driven valve 51 and analysis system
One online ammonia table 53 connects, the second motor-driven valve 43, the 5th motor-driven valve 46, the 8th motor-driven valve 49, the 11st motor-driven valve 52 and analysis
Second online ammonia table 54 of system connects.A kind of catalyst of measurement condition is placed in four reacting furnaces, at this time test when need by
First motor-driven valve 42, third motor-driven valve 44, the 6th motor-driven valve 47, the 9th motor-driven valve 50, the 11st motor-driven valve 52 are opened, the second electricity
Dynamic valve 43, the 4th motor-driven valve 45, the 5th motor-driven valve 46, the 7th motor-driven valve 48, the 8th motor-driven valve 49, the tenth motor-driven valve 51 are closed,
So that four reactor series connection, then the gradually parameters such as activity of four catalyst samples of test；When being put respectively in four reactors
When setting the catalyst sample of different operating modes, when the catalyst sample of each operating mode is in test, only each motor-driven valve need to be adjusted
Switch ensures that flue gas only by the catalyst sample of test, i.e., switches over test to different catalysts respectively.Above-mentioned connection can
Realize that the continuous performance test of catalyst of 4 kinds of different operating modes without shutting down, stops to improve work efficiency and effectively save
The wasting of resources caused by stove/start process.The arrangement of reacting furnace can be a row four, four rows or two, upper layer, lower layer
Two.One catalyst of setting carries boat in each reacting furnace, and the shape that catalyst carries boat is rectangular, size 168/160mm*
168/160mm*1500mm, it is SS316L stainless steel square steel, inner wall finish that catalyst, which carries boat material,.
Reacting furnace heating part is designed to cylindrical annular heating chamber, and heating temperature is uniform, and reacting furnace is into outlet pipe and stove
It being sealed using soft thermal insulation material between body, reacting furnace both ends section is sealed using the one-time formed sealing material of 30mm thickness,
Each reacting furnace temperature field is uniformly distributed, and thermal losses is preferably minimized.Temperature is up to 100 DEG C~1000 when reacting furnace works normally
DEG C, effectively meet 160 DEG C~450 DEG C working ranges of the required temperature of catalyst.
Hydraulic packing system is made of hydraulic packing push rod, Pneumatic hydraulic oil pump.Each reacting furnace main pipeline both ends setting
Hydraulic packing push rod, Pneumatic hydraulic oil pump are sealed extruding.When reaching air-tightness setting value, push rod remains stationary as；Work as system
When generating thermal expansion in heating process, the automatic adjustment of Pneumatic hydraulic oil pump is offset.
Analysis system is made of online ammonia table unit, mobile high temperature cigarette subsystem, and online ammonia table unit is online by two
Ammonia table forms, and is loaded on the front-end and back-end of reactor assembly respectively, and mobile high temperature cigarette subsystem is used for each reacting furnace of traverse measurement
The component of front and back end flue gas；Mobile high temperature cigarette subsystem is by heater wire, high temperature pretreatment, Fourier's infrared spectrum analyser, zirconium oxide
Analyzer form, wherein heater wire can 250 DEG C of heatproof, temperature control range：150~230 DEG C.Internal duct uses SS316L materials EP
Polishing stainless steel pipe in grade, skin temperature are less than 42 DEG C.After the heated line heating and thermal insulation of measuring point flue gas, pre-processed into high temperature,
After flue gas is carried out under 200 DEG C of ± 3 DEG C of environment dust-filtering by high temperature pretreatment, air pump pumping, flow-rate adjustment are handled flue gas into
Enter Fourier's infrared spectrum analyser and Zirconium oxide analyzer is analyzed, whole system integrates in light aluminium alloy moving trolley.Behaviour
Facilitate, be effectively shortened measuring point at a distance from flue gas analyzer, to reduce NH3、SO3Absorption and loss, it is ensured that survey
Measure the accuracy of data.
Spray system includes Tower for purifying waste gas, exhaust fan, PH automatic medicament feeding systems, two pressure sensors, 1 temperature biography
Sensor.Wherein：Two pressure sensors are respectively arranged in the entrance of spray system, for monitoring its pressure, in order to observe
Whether entrance blocks or whether air-flow is excessive；Temperature sensor is installed on the entry position of spray system, prevents flue-gas temperature
The excessively high operation for influencing vent gas treatment effect and spray system.Its workflow is：Flue gas is pumped into Tower for purifying waste gas through exhaust fan,
Flue gas is before entering Tower for purifying waste gas, by temperature sensor and pressure sensor, measures the temperature and pressure of flue gas respectively,
And by temperature and pressure feedback to acquisition and control system, after flue gas enters Tower for purifying waste gas, flue gas and the exhaust gas in tower
Treatment fluid comes into full contact with, and by the SO in flue gas2、SO3、NH3, the exhaust gas such as NO are chemically treated.As the PH of liquid for treating waste gas
When value variation is more than setting value, PH automatic medicament feeding systems are by Automatic Dosing, to ensure treatment effect of the liquid for treating waste gas to exhaust gas.
(5) acquisition and control system
Acquisition and control system includes PLC module, industrial personal computer, A/D conversion modules, relay, power module.Pressure
Sensor, solenoid valve, motor-driven valve, mass flowmenter signal output end be connected respectively with PLC module, temperature, pressure etc. number
According to PLC module is transmitted to, after PLC module after A/D conversion modules, shown on industrial personal computer, power module PLC, industrial personal computer,
A/D conversion modules provide power supply.Acquisition and control system completes the acquisition, control and alarm to systematic parameter.Pass through and is
Temperature, pressure and the flow of system, the aperture of the temperature and mass flowmenter of control links heating, make system links temperature
Degree, flow, pressure reach the precision of needs.Meanwhile system is to prevent from maloperation or system each unit from running to break down, data
Acquisition and control system meeting automatic alarm and the flow for controlling each gas, reduce temperature, pressure prevents instrument damage and thing
Therefore generation.In addition, the system operational parameters uploaded in real time, control of the personnel easy to operation to system.
Acquisition and control system is controlled using PLC, provides human-computer interaction interface by controlling industrial personal computer, and tie
Close setting and the automatic operating of software desk Implementation control element parameter.PLC and control industrial personal computer by Ethernet interface into
Row communication.OPC client from the process data of PLC for will be written in data Layer and database.Graphical interface of user program
(GUI) data are read from data Layer, and setting value is transmitted to OPC client by data Layer, executed by PLC.
A kind of application process of SCR denitration full-scale performance detection evaluating apparatus：
First motor-driven valve 42, third motor-driven valve 44, the 6th motor-driven valve 47, the 9th motor-driven valve 50, the 11st motor-driven valve first
52 open, the second motor-driven valve 43, the 4th motor-driven valve 45, the 5th motor-driven valve 46, the 7th motor-driven valve 48, the 8th motor-driven valve the 49, the tenth
Motor-driven valve 51 is closed, and 4 samples in 38 to the 4th reacting furnace 41 of the first reacting furnace are carried out at the same time catalyst aging, when aging knot
Shu Hou, the first motor-driven valve 42, the second motor-driven valve 43 are opened, and 44 to the 11st motor-driven valve 52 of third motor-driven valve is closed, and carries out first
The experiment of kind operating mode；After the first working condition measurement, the 4th motor-driven valve 45, five motor-driven valves 46, the first motor-driven valve 42, the are opened
Two motor-driven valves 43,47 to the 11st motor-driven valve 52 of the 6th motor-driven valve are closed, and the experiment of second of operating mode is carried out；Second of operating mode is surveyed
After examination, opens the 7th motor-driven valve 48 and the 8th motor-driven valve 49,42 to the 6th motor-driven valve the 47, the 9th of the first motor-driven valve are electronic
50 to the 11st motor-driven valve 52 of valve is closed, and the experiment of the third operating mode is carried out；After the third working condition measurement, the tenth electricity is opened
Dynamic valve 51, the 11st motor-driven valve 52,42 to the tenth motor-driven valve 51 of the first motor-driven valve are closed, the experiment of the 4th kind of operating mode of progress, and four
After kind operating mode is all completed, device is closed.Entire test has effectively been saved the time of sample test replacement process, and section
The about energy.
This system uses level Four mixed-rectification, can be quickly so that temperature field and velocity field are stablized, to ensure test data
Accuracy；It is incorporated H further according to measurement condition2O、NO、NH3、SO2, until being completed.When needing to test urging for different operating modes
When agent, the valve before and after the reacting furnace of catalyst to be tested need to only be opened, the valve behind gas reaction stokehold is closed, can
It in the case of not blowing out, most most effectively tests soon, to save the testing time, (each temperature field heating needs 2-3 small
When, blowing out catalyst changeout needs 4-5 hours), i.e., the test of each catalyst can save 6-8 hours.
Claims (9)
1. a kind of SCR denitration full-scale performance detects evaluating apparatus, including air distribution system, main reaction system, analysis system
System, spray system, acquisition and control system, air distribution system are connect with main reaction system, analysis system respectively with main reaction
System reactor assembly and data acquisition be connected to the control system, the reactor assembly phase of spray system and main reaction system
Connection, acquisition and control system are connected with air distribution system and main reaction system respectively；Main reaction system include heat exchanger,
Heater, static mixer, reactor assembly, main line unit, heat exchanger, heater, static mixer, reactor assembly are logical
It crosses main line unit to be sequentially connected in series, several reacting furnaces is provided in reactor assembly and are interconnected.
2. SCR denitration full-scale performance according to claim 1 detects evaluating apparatus, it is characterised in that：It is described
Reactor assembly includes 4 reacting furnaces, 4 catalyst load boats, hydraulic packing system, the first motor-driven valves to the 11st motor-driven valve；
The first motor-driven valve and the second motor-driven valve is respectively set in wherein the first reacting furnace in-out end, and the second reacting furnace in-out end is respectively set
The 7th motor-driven valve and the 8th motor-driven valve, the 4th reaction is respectively set in four motor-driven valves and the 5th motor-driven valve, third reacting furnace in-out end
The tenth motor-driven valve and the 11st motor-driven valve is respectively set in stove in-out end, and third is provided between the first reacting furnace and the second reacting furnace
Motor-driven valve is provided with the 6th motor-driven valve, between third reacting furnace and the 4th reacting furnace between the second reacting furnace and third reacting furnace
Be provided with the 9th motor-driven valve, the first motor-driven valve, the 4th motor-driven valve, the 7th motor-driven valve, the tenth motor-driven valve and analysis system first
Online ammonia table connection, the second motor-driven valve, the 5th motor-driven valve, the 8th motor-driven valve, the 11st motor-driven valve and analysis system second
Line ammonia table connects.
3. SCR denitration full-scale performance according to claim 1 detects evaluating apparatus, it is characterised in that：It is described
Air distribution system is made of distribution unit, moisturizing unit and mixed gas tank, and distribution unit includes nitrogen making machine unit, air compressor machine unit, SO2
Supply unit, NO supply units, NH3Supply unit, moisturizing unit, N2Purge unit, nitrogen making machine unit and air compressor machine unit, master
The heat exchanger and N of reaction system2Purge unit connects, and air compressor machine unit is connect with the heat exchanger of main reaction system, SO2Supply is single
First inlet end and N2Purge unit connects, and outlet side is connect with mixed gas tank, NO supply units inlet end and N2Purge unit connects
It connects, and outlet side is connect with mixed gas tank, NH3Supply unit inlet end and N2Purge unit connects, and outlet side and main reaction system
Heater and static mixer between piping connection, mix the piping connection after the heat exchanger of gas tank and main reaction system, mend
Water unit and the piping connection after the heat exchanger of main reaction system, wherein distribution unit and moisturizing unit connection data acquisition and control
System processed.
4. SCR denitration full-scale performance according to claim 3 detects evaluating apparatus, it is characterised in that：It is described
NH3Supply unit is by the first gas cylinder, the second gas cylinder, primary diaphragm valve to the 11st diaphragm valve, first filter, the second filtering
Device, the first pressure regulator valve to third pressure regulator valve, the first rupture disk, the second rupture disk, the first check valve to the 6th check valve, the first electricity
Magnet valve, second solenoid valve, the first pneumatic operated valve, ball valve, the first mass flowmenter and the second mass flowmenter composition, wherein：First
The outlet of gas cylinder is provided with the first pressure sensor of signal transporting function, and the gas circuit of first pressure sensor rear end is divided into three
Road, the first via are emptied by primary diaphragm valve；Secondary route secondary diaphragm valve, first filter, the first pressure regulator valve, second are unidirectionally
Valve is in series, and the pressure relieving end of the first pressure regulator valve is connected to the rear end of primary diaphragm valve by the first rupture disk；Third routing the
Three diaphragm valves, the first check valve are in series, and the rear termination first of the first check valve purges gas circuit；It installs the outlet of second gas cylinder
There are the second pressure sensor of band signal transporting function, the gas circuit of second pressure sensor rear end to be divided into three tunnels, the first via passes through
4th diaphragm valve empties；The 5th diaphragm valve of secondary route, the second filter, the second pressure regulator valve, the 4th check valve are in series, the
The pressure relieving end of two pressure regulator valves is connected to the rear end of the 4th diaphragm valve by the second rupture disk；Third route the 6th diaphragm valve, third
Check valve is in series, and the rear termination second of third check valve purges gas circuit；First check valve, the 4th check valve are respectively with the 7th
One end of diaphragm valve connects, the first pneumatic operated valve of another termination of the 7th diaphragm valve, and the control of the first pneumatic operated valve terminates the first electromagnetism
Valve, two 1 the first pneumatic operated valve gas of termination of the first solenoid valve, the other end of pneumatic operated valve are divided into two-way, connect third pressure regulation all the way
Valve, another way connect the 5th check valve, second solenoid valve, the first ball valve, third purging gas circuit, the other end of third pressure regulator valve successively
The gas circuit that is formed in parallel with the first mass flowmenter and the second mass flowmenter, the 6th check valve are sequentially connected in series, the first quality stream
The access port of gauge is separately installed with the tenth diaphragm valve and the 11st diaphragm valve, and the access port of the second mass flowmenter is installed respectively
8th diaphragm valve and the 9th diaphragm valve.
5. SCR denitration full-scale performance according to claim 3 detects evaluating apparatus, it is characterised in that：It is described
Moisturizing unit is followed in series to form by sink, metering pump, steam generator, check valve, ball valve；N2Purge unit is by solenoid valve block
Composition, N2Purge unit by solenoid valve block respectively with SO2Supply unit, NO supply units, NH3Supply unit, analysis system connect
It connects, purge gass or pneumatic operated valve gas is provided, solenoid valve block is carried out controlling its open and close by acquisition and control system.
6. SCR denitration full-scale performance according to claim 1 detects evaluating apparatus, it is characterised in that：It is described
It is tubular structure inside heat exchanger, N is mixed for the first order2And O2Rectification；Heating tube inner annular intersection, which is uniformly distributed, to be set
Meter is used for second level mixing SO2/NO/H2O/N2/O2Rectification；Static mixer is third level mixed-rectification, for mixing SO2/
NO/H2O/N2/O2/NH3；Every reacting furnace entrance of reactor assembly is installed in series gasotron for being catalyzed to entering
Gas plays the role of fourth stage mixed-rectification in agent, and gasotron uses four-layer network shape structure.
7. SCR denitration full-scale performance according to claim 6 detects evaluating apparatus, it is characterised in that：It is described
The thickness of gasotron is 33mm, and uses four-layer network shape structure, each interval 8mm, mesh ranging from 40-60 mesh.
8. SCR denitration full-scale performance according to claim 2 detects evaluating apparatus, it is characterised in that：It is described
The arrangement of reacting furnace is a row four, four rows or two, upper layer, lower layer two；One catalysis of setting in each reacting furnace
Agent carries boat；Reacting furnace heating part is at cylindrical annular heating chamber, and reacting furnace is into using soft thermal insulating material between outlet pipe and furnace body
Material sealing, reacting furnace both ends section are sealed using one-time formed sealing material.
9. SCR denitration full-scale performance according to claim 1 detects evaluating apparatus, it is characterised in that：It is described
Analysis system is made of online ammonia table unit, mobile high temperature cigarette subsystem, and online ammonia table unit is made of two online ammonia tables, point
Not Zhuan Yu reactor assembly front-end and back-end, mobile high temperature cigarette subsystem is for each reacting furnace front and back end flue gas of traverse measurement
Component；Spray system includes Tower for purifying waste gas, exhaust fan, PH automatic medicament feeding systems, pressure sensor, 1 temperature sensor,
Middle pressure sensor is respectively arranged in the entrance of spray system, and temperature sensor is installed on the entry position of spray system；Number
Include PLC module, industrial personal computer, A/D conversion modules, relay, power module, pressure sensor, electricity according to acquisition and control system
Magnet valve, motor-driven valve, mass flowmenter signal output end be connected respectively with PLC module, temperature, pressure data are transmitted to PLC
Module is shown, power module PLC, industrial personal computer, A/D conversion modules after PLC module after A/D conversion modules on industrial personal computer
Power supply is provided.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195993A (en) * | 2018-01-18 | 2018-06-22 | 南京埃森环境技术股份有限公司 | A kind of SCR denitration full-scale performance detection evaluating apparatus and its application process |
| CN108956901A (en) * | 2018-09-27 | 2018-12-07 | 无锡华光新动力环保科技股份有限公司 | A kind of collaboration denitration demercuration catalyst performance evaluation device |
| CN109387606A (en) * | 2018-11-27 | 2019-02-26 | 清华大学盐城环境工程技术研发中心 | A kind of SCR denitration full-scale performance evaluation system |
-
2018
- 2018-01-18 CN CN201820089867.2U patent/CN207689445U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195993A (en) * | 2018-01-18 | 2018-06-22 | 南京埃森环境技术股份有限公司 | A kind of SCR denitration full-scale performance detection evaluating apparatus and its application process |
| CN108195993B (en) * | 2018-01-18 | 2024-03-12 | 南京埃森环境技术股份有限公司 | Full-size performance detection and evaluation device for SCR denitration catalyst and application method thereof |
| CN108956901A (en) * | 2018-09-27 | 2018-12-07 | 无锡华光新动力环保科技股份有限公司 | A kind of collaboration denitration demercuration catalyst performance evaluation device |
| CN109387606A (en) * | 2018-11-27 | 2019-02-26 | 清华大学盐城环境工程技术研发中心 | A kind of SCR denitration full-scale performance evaluation system |
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