CN209264665U - A kind of device for absorbing tail gas for SCR denitration performance detection - Google Patents
A kind of device for absorbing tail gas for SCR denitration performance detection Download PDFInfo
- Publication number
- CN209264665U CN209264665U CN201821684215.XU CN201821684215U CN209264665U CN 209264665 U CN209264665 U CN 209264665U CN 201821684215 U CN201821684215 U CN 201821684215U CN 209264665 U CN209264665 U CN 209264665U
- Authority
- CN
- China
- Prior art keywords
- tourie
- waste liquid
- absorbing
- tail gas
- absorbing liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model relates to a kind of device for absorbing tail gas for SCR denitration performance detection, belong to SCR denitration performance detection and evaluation field.The utility model includes absorbing liquid preparation and stocking system, tail gas absorption and control system, waste liquid storage and transportation system, using NaOH solution as the tail gas absorption liquid of simulated flue gas, pass through two touries of setting and a control cabinet, and the signals such as tourie liquid level, pH value are combined, using the discharge of waste liquid and the switching of tourie in the supplement of digital output modul means realization absorbing liquid, tourie.Tail gas into tourie is come into full contact with absorbing liquid and is reacted by tourie bubbler and flow perturbation mechanism, is mainly used for SO in tail gas2、SO3、NO2The absorption of equal pollutants, have system stability it is strong, manually with automatically control and use, being capable of continuous operation, SO2、SO3、NO2Equal pollutants absorb the advantages that thorough, with good application prospect.
Description
Technical field
The utility model relates to SCR denitration performance detections and evaluation field, and in particular to one kind is used for SCR denitration
The device for absorbing tail gas of catalyst performance detection.
Background technique
The country is directed to the performance detection and evaluation of SCR denitration, mainly uses pilot plant test platform or full-scale test
Platform, the case where in order to really reflect power plant's SCR denitration flue gas, using simulated flue gas, ingredient includes N2、O2、NO、NH3、SO2And water
Steam, each component content carry out distribution by practical smoke condition, and such as application No. is 201810050140.8 Chinese patents.By
Remaining pollution gas has NO, NO in tail gas after denitration reaction2、NH3、SO2And SO3, wherein NO, NO2、NH3And SO3Contain
Measure lower, SO2Content is higher, at least contains 600mg/m in general tail gas3(standard state, butt, 6%O2) SO2, sometimes even high
Up to 12000 mg/m3(standard state, butt, 6%O2) more than, so the absorption of tail gas is primarily directed to SO2。SO2Have as one kind
The gas of intense irritation smell generates the health of the mankind and seriously threatens, molten in the condensation process of steam into after atmosphere
Yu Shui, and land to form acid rain with rainwater, the growth of Acid rain damages vegetation is corroded the surface of building, therefore cannot arbitrarily be arranged
It puts.It is the region of testing crew extended stationary periods around the performance detection testing bench of SCR denitration, if vent gas treatment is improper,
Will certainly hazard test personnel health, in addition air flowing cause to spread, to passing crowd also will generate smell pollution, be equipped with
The device for absorbing tail gas of stability and high efficiency is both avoided that SO2Bring pollution, and the environmental image of catalyst detection unit can be improved.
SO2Strong base solution can be directlyed adopt as a kind of sour gas, in the case that general exhaust gas volumn is little to be absorbed.
Sodium hydroxide (NaOH), which is that one kind is soluble easily in water, to be subtracted by force, and solution can effectively absorb SO2Gas, chemical equation are as follows:
2NaOH+SO2→Na2SO3+H2O (NaOH is enough)
NaOH+SO2→NaHSO3(NaOH is insufficient)
In order to ensure SO2It fully absorbs, generally uses enough lye, guarantee that absorbing liquid is in alkalinity always.Because of SCR denitration
Exhaust emissions has duration during catalyst performance detection test, can be by the way that two touries, the using and the reserved, absorbing liquid is arranged
Using NaOH solution, the automatic switchover of two touries is realized using control cabinet logic, the discharge of waste liquid and absorbing liquid in tank
Supplement, makes SO2Gas is continuously and effectively absorbed.In addition, NaOH solution is absorbing SO2It also can cooperation-removal while gas
A small amount of NO in tail gas2、SO3Equal pollutants.
Utility model content
The purpose of this utility model is that the tail gas for current SCR denitration performance detection test simulation flue gas is inhaled
It is too simple to be stored in absorption plant, SO2、SO3、NO2Equal pollutants assimilation effect is poor, and absorbing liquid utilization rate is low, and waste liquid cannot be appropriate
The problems such as conducting oneself well reason proposes a kind of device for absorbing tail gas for SCR denitration performance detection, specific as follows:
The technical scheme in the invention for solving the above technical problem is: one kind is examined for SCR denitration performance
The device for absorbing tail gas of survey, which is characterized in that including absorbing liquid preparation and stocking system, tail gas absorption and control system and give up
Liquid storage and transportation system；The absorbing liquid preparation and stocking system include absorbing liquid preparation tank, manual ball valve, water injection pipe, suction
It receives liquid preparation tank float level meter, feed opening and blender, the water injection pipe to be connected to absorbing liquid preparation tank, the manual ball valve
It is mounted on water injection pipe, the side of absorbing liquid preparation tank, the feed opening is arranged in the absorbing liquid preparation tank float level meter
The top of absorbing liquid preparation tank is set, and the blender is arranged in absorbing liquid preparation tank；The tail gas absorption and control are
System includes control cabinet, absorbing liquid rear pump, A tourie inlet pipe solenoid valve, absorbing liquid output main pipe, A tourie inlet tube
Road, A tourie, A tourie float level meter, B tourie inlet pipe solenoid valve, B tourie inlet pipe, B tourie, B
Tourie float level meter, tail gas efferent duct, A tourie air inlet pipeline solenoid valve, A tourie air inlet pipeline, A tourie are bubbled
Device, A tourie flow perturbation mechanism, A tourie exhaust pipe, the online pH meter of A tourie, A tourie drain line solenoid valve, B
Tourie air inlet pipeline solenoid valve, B tourie air inlet pipeline, B tourie bubbler, B tourie flow perturbation mechanism, B absorb
Tank exhaust pipe, the online pH meter of B tourie and B tourie drain line solenoid valve, one end of the absorbing liquid output main pipe and suction
Receive the connection of liquid preparation tank, the other end of absorbing liquid output main pipe respectively with A tourie inlet pipe and B tourie inlet tube
Road connection, the A tourie inlet pipe and B tourie inlet pipe are also connected to A tourie and B tourie respectively, described
The setting of absorbing liquid rear pump is in absorbing liquid output main pipe, the A tourie inlet pipe solenoid valve and B tourie inlet pipe
Solenoid valve is separately mounted in A tourie inlet pipe and B tourie inlet pipe, and the A tourie float level meter and B inhale
Closed cans float level meter is separately positioned on the side of A tourie and B tourie, the tail gas efferent duct respectively with A tourie into
Air pipe is connected to B tourie air inlet pipeline, and the A tourie air inlet pipeline is connected in A tourie, and A absorbs canister incoming gas
The end of pipeline is connect with A tourie bubbler, and the B tourie air inlet pipeline is connected in B tourie, and B tourie into
The end of air pipe is connect with B tourie bubbler, the A tourie air inlet pipeline solenoid valve and B tourie air inlet pipeline electricity
Magnet valve is separately mounted on A tourie air inlet pipeline and B tourie air inlet pipeline, and the A tourie flow perturbation mechanism and B inhale
Closed cans flow perturbation mechanism is separately positioned in A tourie and B tourie, and A tourie flow perturbation mechanism and B tourie gas
Flow disturbance mechanism is located at the top of A tourie bubbler and B tourie bubbler, and the online pH meter of the A tourie and B inhale
The online pH meter of closed cans is separately positioned on A tourie and B tourie, and the top of A tourie is arranged in the A tourie exhaust pipe
Portion, the B tourie exhaust pipe are arranged in the top of B tourie, the A tourie and B tourie respectively with waste liquid storage with
Transportation system connection, and the pipe between A tourie and waste liquid storage and transportation system is arranged in A tourie drain line solenoid valve
On the road, B tourie drain line solenoid valve is arranged on the pipeline between B tourie and waste liquid storage and transportation system；It is described
Waste liquid storage and transportation system include waste liquid pool, waste liquid pool called putting-into-type liquid level meter, waste liquid rear pump and waste liquid efferent duct, the A
Tourie and B tourie are connected to waste liquid pool, and the waste liquid pool called putting-into-type liquid level meter is arranged in waste liquid pool, and the waste liquid is defeated
Outlet pipe is connected to waste liquid pool, and the waste liquid rear pump is arranged on waste liquid efferent duct.
Furthermore, the absorbing liquid preparation and stocking system, using hand stock and the blender mechanical stirring
The mode of dissolution is accelerated to carry out the preparation of absorbing liquid, the absorbing liquid preparation tank float level meter is using cable and the control cabinet
Connection, is used to indicate the current level of the absorbing liquid preparing tank, liquid level numerical value is directly read on the display screen of the control cabinet
It takes；When the absorbing liquid preparation tank liquid level is lower, then recruit absorbing liquid, controlled according to absorbing liquid known concentration water injection rate and
The dosage of solid NaOH, wherein water injection rate directly calculate really from the sectional area of start-stop liquid level difference and the absorbing liquid preparation tank
It is fixed.
Furthermore, the blender uses motor driven, is connect motor with the control cabinet using cable, directly
The start stop operation of motor is carried out using the button of the control cabinet, the blender has the protective layer of acid-alkali-corrosive-resisting；It is described
Absorbing liquid preparation tank is cylindrical tank, and material uses cast iron or steel, and preservative treatment is made on surface, or uses plastic material, institute
The outer surface for stating absorbing liquid preparation tank has insulating layer；The absorbing liquid preparation tank float level meter has corrosion resistance.
Furthermore, the tail gas absorption and control system, using control cabinet to the motor of the absorbing liquid rear pump,
A tourie inlet pipe solenoid valve, B tourie inlet pipe solenoid valve, A tourie air inlet pipeline solenoid valve, B absorb canister incoming gas
Pipeline electromagnetic valve, A tourie drain line solenoid valve and B tourie drain line solenoid valve carry out manually and automatically start and stop and grasp
Make, is cut for realizing absorbing liquid supplement, tail gas absorption, discharging of waste liquid and gas circuit is carried out to the A tourie and/or B tourie
The operation changed；The absorbing liquid output pump motor, A tourie inlet pipe solenoid valve, B tourie inlet pipe solenoid valve, A inhale
Closed cans air inlet pipeline solenoid valve, B tourie air inlet pipeline solenoid valve, A tourie drain line solenoid valve and B tourie drain pipe
Way solenoid valve, A tourie float level meter, B tourie float level meter, the online pH meter of A tourie and the online pH meter of B tourie
It is all made of cable to be connected with the control cabinet, the control of switching value is realized by the relay being arranged in the control cabinet, normally
The start and stop of each equipment are controlled during operation according to the A tourie or the liquid level of B tourie and the feedback signal of pH value.The tail
The core of aspiration and control system is that tail gas has biggish contact area, enough times of contact and required in absorbing liquid
Absorbing liquid remains alkalinity, by using the tourie bubbler, flow perturbation mechanism and to absorbing liquid liquid level, pH value
Monitoring is to realize.
Furthermore, the upper end of the A tourie bubbler and B tourie bubbler respectively with A tourie air inlet pipe
Road and the end of B tourie air inlet pipeline are by flanged joint, and the A tourie bubbler and B tourie bubbler are by method
Blue structure, three branches and three bubbling pipes of lower section composition, every branch connect a bubbling pipe, and three bubbling pipes are mutually
120 ° of tank body near walls arranged and extend to corresponding absorbing liquid preparation tank；Carry out the tail gas to every branch through bubbling pipe
Center is flowed to two sides, and several bubbling balls are provided on bubbling pipe, and the surface for being bubbled ball is provided with multiple apertures, and tail gas passes through
Ball is bubbled to bloat and contact and be absorbed with absorbing liquid；The setting of tourie bubbler increases tail gas and prepares in entire absorbing liquid
The tank body section of tank and the contact area of absorbing liquid are conducive to enhance SO2、SO3、NO2The reaction rate of equal pollutants and NaOH；
The material of the tourie bubbler is identical as the absorbing liquid preparation tank.
Furthermore, Liang Ge flow perturbation mechanism is circular gratings shape structure, has two or more layers arrangement, in
The flange arrangement of heart position setting is connected with corresponding tourie air inlet pipeline, replacement easy to disassemble；The grizzly bar of grid is cylinder
Body structure, the grizzly bar of same row are installed with small impeller, and the impeller is fixed by the card slot on grizzly bar；Entire flow perturbation machine
The section of structure is covered with small impeller, when tail gas, which leaves tourie bubbler, flows through flow perturbation mechanism in the form of bubbles, in lattice
Under the collective effect of aperture plate hole and impeller rotation, absorbing liquid is acutely disturbed, and gas-liquid contact is more abundant, is conducive to be removed in depth
SO2、SO3、NO2Equal pollutants；The material of the flow perturbation mechanism is identical as the absorbing liquid preparation tank.
Furthermore, two tourie float level meters for control in corresponding tourie liquid level minimum value with most
Between big value, liquid level numerical value is directly read on the display screen of the control cabinet, and minimum liquid level is located above flow perturbation mechanism,
To guarantee still to contact with absorbing liquid for some time after tail gas flows through the flow perturbation mechanism；The tourie float level meter
Using resistant material.
Furthermore, two online pH meters of tourie are used to monitor the acid-base property of absorbing liquid in respective absorption tank, pH number
Value is directly read on the display screen of the control cabinet；When absorbing liquid is in acidity, to SO2、SO3、NO2Equal pollutants absorb not
It works, while start-up frequency switching and discharging of waste liquid operation；The online pH meter of tourie is installed using side, and end is located at most
Below low liquid level, far from the flow perturbation mechanism in tourie, material uses resistant material.
Furthermore, the absorbing liquid rear pump, tourie inlet pipe solenoid valve, tourie air inlet pipeline electromagnetism
Valve, tourie drain line solenoid valve are all made of resistant material；The absorbing liquid rear pump uses centrifugal pump.
Furthermore, the tourie is cylindrical tank, the selection of material is the same as the absorbing liquid system by two settings
Standby tank, can outer surface need to do isothermal holding；Absorbing liquid output main pipe, tourie inlet pipe, tourie air inlet pipeline,
Tail gas efferent duct installs insulating layer additional, and severe cold area, which can be considered further that, carries out isothermal holding, material using deposited power-up heating tape mode
Selection with the absorbing liquid preparation tank.
Furthermore, waste liquid storage and transportation system, collected and stored by the waste liquid pool A tourie and
The waste liquid of B tourie discharge；The waste liquid pool underground, and be rectangular parallelepiped structure, material and the absorbing liquid preparation tank
It is identical；The waste liquid pool called putting-into-type liquid level meter is used to measure the liquid level of the waste liquid pool, and the waste liquid rear pump is used for will be described
The motor of waste liquid discharge in waste liquid pool, the waste liquid pool called putting-into-type liquid level meter and the waste liquid rear pump passes through cable and control
Cabinet connection, the liquid level of the waste liquid pool is directly read by the display screen of the control cabinet, as described in control cabinet button control
The start and stop of waste liquid output pump motor；The waste liquid pool called putting-into-type liquid level meter and the waste liquid rear pump are all made of resistant material；
The waste liquid rear pump uses centrifugal pump；Waste liquid is sent by the waste liquid efferent duct to waste liquid transport vehicle, is finally sent useless to having
The unit of water process qualification is handled.
The tail gas absorption method of the above-mentioned device for absorbing tail gas for SCR denitration performance detection is as follows: in tail
Before gas is passed through, the NaOH solution for advancing with absorbing liquid preparation tank preparation certain volume and concentration is stand-by；It is manual by control cabinet
Absorbing liquid rear pump and two tourie inlet pipe solenoid valves are opened, are read in conjunction with two tourie float level meters, respectively
Filling operations are carried out to two touries and to highest liquid level, absorbing liquid is stand-by in tank；When there is tail gas to be passed through, pass through control cabinet
Manually opened any tourie air inlet pipeline solenoid valve, flue gas are passed through in corresponding tourie, pass sequentially through the tourie lower part
Tourie bubbler and flow perturbation mechanism realize SO2、SO3、NO2Equal pollutants fully absorb, and purified tail gas passes through
Exhaust outlet discharge at the top of the tourie；After flue gas is passed through, control mode is adjusted to automatically control, if a certain suction in operational process
Tail gas is switched to another tourie automatically and realizes SO by pH value of solution < 7 in closed cans2、SO3、NO2The absorption of equal pollutants, is opened simultaneously
The waste liquid in previous tourie is discharged to waste liquid pool, until should in the drain line solenoid valve for opening the tourie of internal solution pH < 7
Liquid level reaches minimum liquid level and tourie drain line solenoid valve is then automatically closed in tourie, opens absorbing liquid output at the same time
Pump, tourie inlet pipe solenoid valve carry out liquid feeding to the previous tourie and to highest liquid levels, and the tourie solution is as standby
With；In normal course of operation, when the liquid level of a certain tourie minimizes liquid level, control system automatically switches to tail gas separately
It completes to absorb in one tourie, and filling operation is carried out to previous tourie simultaneously；Two touries can automatically switch, standby each other
With realization is to SO in tail gas2、SO3、NO2The lasting efficient absorption of equal pollutants；When off-test, tail gas is disconnected, control system
Tail gas when defaulting last time off-test without operation, when next tail gas is passed through is passed through path.
The utility model compared with prior art, has the following advantages that and effect:, can by the device in the utility model
Realize SO in SCR denitration performance detection tail gas2、SO3、NO2Equal the lasting of pollutants, efficient absorption, it is aobvious using control cabinet
Display screen can intuitively read the parameters such as tourie liquid level, pH value, convenient in real time understand system operation situation, manually be automatically used in combination
Control means improve the flexibility of system, therefore with good application prospect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
In figure: 1 is absorbing liquid preparation tank, and 2 be manual ball valve, and 3 be water injection pipe, and 4 be absorbing liquid preparation tank float level meter,
5 be feed opening, and 6 be blender, and 7 be control cabinet, and 8 be absorbing liquid rear pump, and 9 be A tourie inlet pipe solenoid valve, and 10 be suction
It receives liquid and exports main pipe, 11 be A tourie inlet pipe, and 12 be A tourie, and 13 be A tourie float level meter, and 14 absorb for B
Tank inlet pipe solenoid valve, 15 be B tourie inlet pipe, and 16 be B tourie, and 17 be B tourie float level meter, and 18 be tail
Gas efferent duct, 19 be A tourie air inlet pipeline solenoid valve, and 20 be A tourie air inlet pipeline, and 21 be A tourie bubbler, and 22 are
A tourie flow perturbation mechanism, 23 be A tourie exhaust pipe, and 24 be the online pH meter of A tourie, and 25 be A tourie drain line
Solenoid valve, 26 be B tourie air inlet pipeline solenoid valve, and 27 be B tourie air inlet pipeline, and 28 be B tourie bubbler, and 29 be B
Tourie flow perturbation mechanism, 30 be B tourie exhaust pipe, and 31 be the online pH meter of B tourie, and 32 be B tourie drain line
Solenoid valve, 33 be waste liquid pool, and 34 be waste liquid pool called putting-into-type liquid level meter, and 35 be waste liquid rear pump, and 36 be waste liquid efferent duct.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is pair
The explanation of the utility model and the utility model is not limited to following embodiment.
Embodiment.
Referring to Fig. 1, the device for absorbing tail gas for SCR denitration performance detection in the present embodiment, including absorb
Liquid preparation and stocking system, tail gas absorption and control system and waste liquid storage and transportation system；Absorbing liquid preparation and storage system
System includes absorbing liquid preparation tank 1, manual ball valve 2, water injection pipe 3, absorbing liquid preparation tank float level meter 4, feed opening 5 and blender
6, water injection pipe 3 is connected to absorbing liquid preparation tank 1, and manual ball valve 2 is mounted on water injection pipe 3, absorbing liquid preparation tank float level meter 4
The side of absorbing liquid preparation tank 1 is set, and the top of absorbing liquid preparation tank 1 is arranged in feed opening 5, and the setting of blender 6 is absorbing
In liquid preparation tank 1；Tail gas absorption and control system include control cabinet 7, absorbing liquid rear pump 8, A tourie inlet pipe solenoid valve
9, absorbing liquid output main pipe 10, A tourie inlet pipe 11, A tourie 12, A tourie float level meter 13, B tourie into
Line solenoid valve 14, B tourie inlet pipe 15, B tourie 16, B tourie float level meter 17, tail gas efferent duct 18, A
Tourie air inlet pipeline solenoid valve 19, A tourie air inlet pipeline 20, A tourie bubbler 21, A tourie flow perturbation mechanism
22, the online pH meter 24 of A tourie exhaust pipe 23, A tourie, A tourie drain line solenoid valve 25, B tourie air inlet pipeline
Solenoid valve 26, B tourie air inlet pipeline 27, B tourie bubbler 28, B tourie flow perturbation mechanism 29, the exhaust of B tourie
The online pH meter 31 of pipe 30, B tourie and B tourie drain line solenoid valve 32, absorbing liquid export one end and the absorption of main pipe 10
Liquid preparation tank 1 be connected to, absorbing liquid export main pipe 10 the other end respectively with A tourie inlet pipe 11 and B tourie inlet tube
Road 15 is connected to, and A tourie inlet pipe 11 and B tourie inlet pipe 15 also connect with A tourie 12 and B tourie 16 respectively
Logical, the setting of absorbing liquid rear pump 8 is in absorbing liquid output main pipe 10, A tourie inlet pipe solenoid valve 9 and B tourie feed liquor
Pipeline electromagnetic valve 14 is separately mounted in A tourie inlet pipe 11 and B tourie inlet pipe 15, A tourie float liquid level
Meter 13 and B tourie float level meter 17 is separately positioned on the side of A tourie 12 and B tourie 16, and tail gas efferent duct 18 divides
It is not connected to A tourie air inlet pipeline 20 and B tourie air inlet pipeline 27, A tourie air inlet pipeline 20 is connected to A tourie 12
It is interior, and the end of A tourie air inlet pipeline 20 is connect with A tourie bubbler 21, B tourie air inlet pipeline 27 is connected to B suction
In closed cans 16, and the end of B tourie air inlet pipeline 27 is connect with B tourie bubbler 28, A tourie air inlet pipeline solenoid valve
19 and B tourie air inlet pipeline solenoid valve 26 is separately mounted on A tourie air inlet pipeline 20 and B tourie air inlet pipeline 27, A
Tourie flow perturbation mechanism 22 and B tourie flow perturbation mechanism 29 are separately positioned in A tourie 12 and B tourie 16,
And A tourie flow perturbation mechanism 22 and B tourie flow perturbation mechanism 29 are located at A tourie bubbler 21 and B absorbs
The top of tank bubbler 28, the online pH meter 24 of A tourie and the online pH meter 31 of B tourie are separately positioned on A tourie 12 and B inhales
In closed cans 16, the top of A tourie 12 is arranged in A tourie exhaust pipe 23, and B tourie exhaust pipe 30 is arranged in B tourie 16
Top, A tourie 12 and B tourie 16 store with waste liquid be connected to transportation system respectively, and A tourie drain line electromagnetism
Valve 25 is arranged on the pipeline between A tourie 12 and waste liquid storage and transportation system, B tourie drain line solenoid valve 32 is set
It sets on the pipeline between B tourie 16 and waste liquid storage and transportation system；Waste liquid storage with transportation system include waste liquid pool 33,
Waste liquid pool called putting-into-type liquid level meter 34, waste liquid rear pump 35 and waste liquid efferent duct 36, A tourie 12 and B tourie 16 are and waste liquid
Pond 33 is connected to, and waste liquid pool called putting-into-type liquid level meter 34 is arranged in waste liquid pool 33, and waste liquid efferent duct 36 is connected to waste liquid pool 33, waste liquid
Rear pump 35 is arranged on waste liquid efferent duct 36.
Absorbing liquid preparation and stocking system in the present embodiment, it is empty as the dissolution of NaOH solid using absorbing liquid preparation tank 1
Between, by unscrewing manual ball valve 2, introduced in absorbing liquid preparation tank 1 to the water of running water pipe by water injection pipe 3 in the future, observation absorbs
The reading of liquid preparation tank float level meter 4, and control liquid level in tank and NaOH solid is added by feed opening 5, hand in certain altitude
Dynamic turn on agitator 6 be sufficiently stirred to solution until NaOH solid all dissolves, and absorbing liquid directly stores after the completion of preparing
In tank.
Tail gas absorption and control system in the present embodiment, using control cabinet 7 to absorbing liquid rear pump 8 and A tourie feed liquor
Pipeline electromagnetic valve 9 carries out manually opened operation, and absorbing liquid is by absorbing liquid output main pipe 10 output and through A tourie inlet pipe 11
Into in A tourie 12, liquid level is controlled by A tourie float level meter 13 and reaches highest liquid level Ah2, using control cabinet 7 to A
Tourie inlet pipe solenoid valve 9 carries out manual close operation, carries out manually opened behaviour to B tourie inlet pipe solenoid valve 14
Make, absorbing liquid enters B tourie 16 in by absorbing liquid output main pipe 10 output and through B tourie inlet pipe 15, is absorbed by B
Tank float level meter 17 controls liquid level and reaches highest liquid level Bh2, using control cabinet 7 to 14 He of B tourie inlet pipe solenoid valve
Absorbing liquid rear pump 8 carries out manual close operation, and A tourie 12 and B tourie 16 are equipped with the absorbing liquid of same volume simultaneously at this time
For use.Tail gas efferent duct 18 is flowed through come the tail gas to Benitration reactor, at this time using control cabinet 7 to A tourie air inlet pipeline electricity
Magnet valve 19 carries out manually opened operation, and tail gas enters A tourie 12, and the A by being located at tank lower part through A tourie air inlet pipeline 20
Tourie bubbler 21 bloats, wherein SO2、SO3、NO2Equal pollutants are largely absorbed, in the top of A tourie bubbler 21
It is disposed with two layers of A tourie flow perturbation mechanism 22, is mainly used for reinforcing the disturbance of air-flow and liquid, improves SO2、SO3、NO2Deng
Pollutant assimilation effect, purified tail gas are discharged by A tourie exhaust pipe 23.Using automatic control in normal course of operation
When the online pH meter 24 of A tourie shows pH < 7 A tourie air inlet pipeline solenoid valve 19 is automatically closed, while opening automatically in mode
Open A tourie drain line solenoid valve 25 and B tourie air inlet pipeline solenoid valve 26, tail gas through B tourie air inlet pipeline 27 into
Enter B tourie 16, and the B tourie bubbler 28 by being located at tank lower part bloats, wherein SO2、SO3、NO2Equal pollutants are most of
It is absorbed, is disposed with two layers of B tourie flow perturbation mechanism 29 in the top of B tourie bubbler 28, acts on A tourie
Flow perturbation mechanism 22, purified tail gas are discharged by B tourie exhaust pipe 30.
Automatic control mode is used in normal course of operation, when the online pH meter 31 of B tourie shows pH < 7, is automatically closed
B tourie air inlet pipeline solenoid valve 26, while automatically turning on B tourie drain line solenoid valve 32 and A tourie air inlet pipeline
Solenoid valve 19, tail gas enter A tourie 12 through A tourie air inlet pipeline 20.When A tourie 12 in discharge opeing process be down to by liquid level
When minimum liquid level Ah1, A tourie drain line solenoid valve 25 is automatically closed, and automatically turns on A tourie inlet pipe solenoid valve
9 and absorbing liquid rear pump 8, fluid infusion is carried out to A tourie 12, until absorbing liquid is automatically closed when liquid level reaches highest liquid level Ah2
Rear pump 8 and A tourie inlet pipe solenoid valve 9, A tourie is as spare.During gas absorbs in A tourie 12,
If causing liquid level to minimize liquid level Ah1 due to taking moisture, moisture evaporation etc. out of gas, A is automatically closed and absorbs canister incoming gas
It is defeated to automatically turn on B tourie air inlet pipeline solenoid valve 26, A tourie inlet pipe solenoid valve 9 and absorbing liquid for pipeline electromagnetic valve 19
8 are pumped out, tail gas enters B tourie 16, while carrying out fluid infusion to A tourie 12, until when liquid level reaches highest liquid level Ah2, from
Dynamic to close absorbing liquid rear pump 8 and A tourie inlet pipe solenoid valve 9, A tourie is as spare.The waste liquid of B tourie 16 is arranged
Put, absorbing liquid supplement and control method with A tourie 12, A tourie 12 and B tourie 16 can be cut automatically during normal operation
It changes, remains that a tourie is in stand-by state.
Waste liquid storage is with transportation system for receiving the waste liquid of A tourie 12 and the discharge of B tourie 16 simultaneously in the present embodiment
It is stored, fluid level in pond is judged using waste liquid pool called putting-into-type liquid level meter 34, it is manually opened useless when liquid level is excessively high in pond
Waste liquid in waste liquid pool 33 is sent through waste liquid efferent duct 36 to waste liquid transport vehicle, send to wastewater treatment and provide by liquid rear pump 35
The unit of matter is handled.
Absorbing liquid preparation accelerates dissolution using hand stock and 6 mechanical stirring of blender with stocking system in the present embodiment
Mode carries out the preparation of absorbing liquid, and absorbing liquid preparation tank float level meter 4 is connect using cable with control cabinet 7, is used to indicate suction
The current level of liquid preparation tank 1 is received, liquid level numerical value can be directly read on 7 display screen of control cabinet；When 1 liquid level of absorbing liquid preparation tank
When lower, absorbing liquid need to be recruited, the dosage of water injection rate and solid NaOH can be controlled according to absorbing liquid known concentration, wherein filling the water
Amount directly can carry out calculating determination from start-stop liquid level difference and 1 sectional area of absorbing liquid preparation tank.
Blender 6 uses motor driven in the present embodiment, is connect motor with control cabinet 7 using cable, directly utilizes control
7 button of cabinet processed carries out the start stop operation of motor, and blender 6 should take the measure of acid-alkali-corrosive-resisting；Absorbing liquid preparation tank 1 is cylinder
Shape tank body, cast iron or general steel can be used in material, but surface need to do preservative treatment, and polytetrafluoroethylene (PTFE) etc. can also be used
Plastics, can outer surface need to do isothermal holding；Absorbing liquid preparation tank float level meter 4 should use corrosion resistant products.
In the present embodiment tail gas absorption and control system using control cabinet 7 to 8 motor of absorbing liquid rear pump, A tourie into
Line solenoid valve 9, B tourie inlet pipe solenoid valve 14, A tourie air inlet pipeline solenoid valve 19, B tourie air inlet pipeline
Solenoid valve 26, A tourie drain line solenoid valve 25 and B tourie drain line solenoid valve 32 carry out manually and automatically start and stop and grasp
Make, carries out absorbing liquid supplement, tail gas absorption, discharging of waste liquid and gas circuit switching etc. for realizing to A tourie 12 and B tourie 16
Operation；
Motor, A tourie inlet pipe solenoid valve 9, the B tourie inlet pipe solenoid valve 14, A of absorbing liquid rear pump 8
Tourie air inlet pipeline solenoid valve 19, B tourie air inlet pipeline solenoid valve 26, A tourie drain line solenoid valve 25, B absorb
Tank drain line solenoid valve 32, A tourie float level meter 13, B tourie float level meter 17, the online pH meter 24 of A tourie
Cable is all made of with the online pH meter 31 of B tourie to be connected with control cabinet 7, and switch is realized by the relay being arranged in control cabinet 7
The control of amount, the feedback signal according to A tourie 12 and 16 liquid level of B tourie and pH value controls each equipment during normal operation
Start and stop.The core of tail gas absorption and control system is that tail gas has biggish contact area in absorbing liquid, is enough when contacting
Between and require absorbing liquid remain alkalinity, by using A tourie bubbler 21, B tourie bubbler 28, A tourie gas
Flow disturbance mechanism 22, B tourie flow perturbation mechanism 29 and the monitoring of absorbing liquid liquid level, pH value is realized.
The upper end of A tourie bubbler 21 and B tourie bubbler 28 is inhaled with A tourie 12 and B respectively in the present embodiment
The air inlet pipeline end of closed cans 16 by flanged joint, A tourie bubbler 21 and B tourie bubbler 28 by flange arrangement,
Three branches and three bubbling pipes of lower section are constituted, and every branch connects a bubbling pipe, and three bubbling pipes are mutually 120 ° of arrangements
And extend to tank body near wall；Center of the tail gas from every branch through bubbling pipe is flowed to two sides, and bubbling pipe is equipped with
Several bubbling balls, the surface for being bubbled ball are provided with multiple apertures, and tail gas is absorbed by being bubbled ball bulging and contacting with absorbing liquid；
The setting of tourie bubbler increases tail gas in the contact surface area in entire tank body section and absorbing liquid, is conducive to enhance SO2、
SO3、NO2The reaction rate of equal pollutants and NaOH；The selection of 28 material of A tourie bubbler 21 and B tourie bubbler is the same as suction
Receive liquid preparation tank 1.
A tourie flow perturbation mechanism 22 and B tourie flow perturbation mechanism 29 are a circular gratings shapes in the present embodiment
Structure, two or more layers arrangement, the flange arrangement and A tourie air inlet pipeline 20 and B tourie being arranged by center into
Air pipe 27 is connected, replacement easy to disassemble；The grizzly bar of grid is cylindrical structure, and the grizzly bar of same row is installed with small impeller,
Impeller is fixed by the card slot on grizzly bar；Section of entire A tourie flow perturbation mechanism 22 and B tourie flow perturbation mechanism 29
Face is covered with small impeller, when tail gas leaves A tourie bubbler 21 and B tourie bubbler 28 flows through A in the form of bubbles and absorbs
When tank flow perturbation mechanism 22 and B tourie flow perturbation mechanism 29, under the collective effect that grid mesh and impeller rotate, inhale
It receives liquid acutely to disturb, gas-liquid contact is more abundant, is conducive to that SO is removed in depth2、SO3、NO2Equal pollutants；A tourie air-flow is disturbed
The selection of 29 material of motivation structure 22 and B tourie flow perturbation mechanism is the same as absorbing liquid preparation tank 1.
A tourie float level meter 13 and B tourie float level meter 17 are for controlling 12 He of A tourie in the present embodiment
Between a minimum and a maximum value, liquid level numerical value can be directly read liquid level on 7 display screen of control cabinet, minimum in B tourie 16
Liquid level is located at a certain position of 29 top of A tourie flow perturbation mechanism 22 and B tourie flow perturbation mechanism, to guarantee tail gas
Suction is still contacted with absorbing liquid for some time after flowing through A tourie flow perturbation mechanism 22 and B tourie flow perturbation mechanism 29
It receives；A tourie float level meter 13 and B tourie float level meter 17 should use corrosion resistant products.
The online pH meter 24 of A tourie and the online pH meter 31 of B tourie are for monitoring that A tourie 12 and B are inhaled in the present embodiment
The acid-base property of absorbing liquid in closed cans 16, pH numerical value can be directly read on 7 display screen of control cabinet；It is right when absorbing liquid is in acidity
SO2、SO3、NO2Equal pollutants absorption does not work, while the operation such as start-up frequency switching and discharging of waste liquid；The online pH of A tourie
It counts the online pH meter 31 of 24 and B tourie to install using side, end is located at a certain position below minimum liquid level, as far as possible far from A
Tourie flow perturbation mechanism 22 and B tourie flow perturbation mechanism 29, Ying Caiyong corrosion resistant products.
Absorbing liquid rear pump 8, A tourie inlet pipe solenoid valve 9, B tourie inlet pipe solenoid valve in the present embodiment
14, tourie air inlet pipeline solenoid valve 19, B tourie air inlet pipeline solenoid valve 26, A tourie drain line solenoid valve 25 and B
Tourie drain line solenoid valve 32 should all use corrosion resistant products；Absorbing liquid rear pump 8 uses centrifugal pump.
Tourie is cylindrical tank, the selection of material is the same as absorbing liquid preparation tank 1, tank by two settings in the present embodiment
External surface need to do isothermal holding；Absorbing liquid exports main pipe 10, A tourie inlet pipe 11, B tourie inlet pipe 15, A and inhales
Closed cans air inlet pipeline 20, B tourie air inlet pipeline 27 and tail gas efferent duct 18 should all install insulating layer additional, and severe cold area can consider further that
Isothermal holding is carried out using deposited power-up heating tape mode, the selection of material is the same as absorbing liquid preparation tank 1.
Waste liquid storage and transportation system are collected and are stored by setting waste liquid pool 33 come to A tourie 12 in the present embodiment
The waste liquid discharged with B tourie 16,22 underground of waste liquid pool are rectangular parallelepiped structure, and material selection is the same as absorbing liquid preparation tank 1；
Waste liquid pool called putting-into-type liquid level meter 34 is used to arrange the waste liquid in waste liquid pool 33 for measuring 33 liquid level of waste liquid pool, waste liquid rear pump 35
Out, the motor of waste liquid pool called putting-into-type liquid level meter 34 and waste liquid rear pump 35 is connect by cable with control cabinet 7, is shown by control cabinet 7
Display screen directly reads 33 liquid level of waste liquid pool, by the start and stop of 7 button of control cabinet control 35 motor of waste liquid rear pump；Waste liquid pool throw-in type
Liquidometer 34 and waste liquid rear pump 35 should all use corrosion resistant products；Waste liquid rear pump 35 uses centrifugal pump；Waste liquid passes through waste liquid
Efferent duct 36 is sent to waste liquid transport vehicle, is finally sent to the unit with wastewater treatment qualification and is handled.
The tail gas absorption method of device for absorbing tail gas in the present embodiment for SCR denitration performance detection is as follows:
Before tail gas is passed through, the NaOH solution that absorbing liquid preparation tank 1 prepares certain volume and concentration is advanced with, solution storage is in tank
For use；Pass through the manually opened absorbing liquid rear pump 8 of control cabinet 7, A tourie inlet pipe solenoid valve 9, B tourie inlet pipe
Solenoid valve 14, and A tourie float level meter 13 and 17 liquidometer of B tourie float level meter is combined to read, A is absorbed respectively
Tank 12 and B tourie 16 carry out filling operation and to highest liquid levels, and two tank absorbing liquids are stand-by；When there is tail gas to be passed through, pass through control
The air inlet pipeline solenoid valve of the manually opened any tourie of cabinet 7 processed, flue gas are passed through in A tourie 12 or B tourie 16, successively lead to
The A tourie bubbler 21 or B tourie bubbler 28 and A tourie air-flow for crossing 16 lower part of A tourie 12 or B tourie are disturbed
Motivation structure 22 or B tourie flow perturbation mechanism 29 realize SO2、SO3、NO2Equal pollutants fully absorb, purified tail gas
It is discharged by the A tourie exhaust pipe 23 or B tourie exhaust pipe 30 at 16 top of A tourie 12 or B tourie；Flue gas is passed through
Afterwards, control mode is adjusted to automatically control, if pH value of solution < 7 in a certain tourie in operational process, automatically switch to tail gas
Another tourie realizes SO2、SO3、NO2The absorption of equal pollutants, while tourie drain line solenoid valve is opened, before discharge
Most of waste liquid in one tourie is to waste liquid pool 33, until liquid level reaches minimum liquid level and absorption is automatically closed in the tourie
Tank drain line solenoid valve, open at the same time absorbing liquid rear pump 8, A tourie inlet pipe solenoid valve 9 or B tourie into
Line solenoid valve 14 carries out liquid feeding to previous tourie and to highest liquid level, and solution is as spare in the tourie；Normal fortune
During row, when the liquid level of a certain tourie minimizes liquid level, tail gas is switched to another tourie automatically by control system
Interior completion absorbs, and carries out filling operation to previous tourie simultaneously；Two touries can automatically switch, mutual backup, real
Now to SO in tail gas2、SO3、NO2The lasting efficient absorption of equal pollutants；When off-test, tail gas is disconnected, and control system is without behaviour
Make, tail gas when defaulting last time off-test when next tail gas is passed through is passed through path.
It, can be to SCR denitration performance by the above-mentioned device for absorbing tail gas for SCR denitration performance detection
SO in the tail gas of detection2、SO3、NO2Equal pollutants fully absorb, and system automation degree is high, stable, and waste liquid is convenient for pipe
Reason, SO2、SO3、NO2Equal pollutant removings efficiency can be effectively improved the examination of SCR denitration performance detection up to 98% or more
Test the air quality of platform peripheral region.
Although the utility model is disclosed as above with embodiment, its protection scope being not intended to limit the utility model,
Any technical staff for being familiar with this technology, it is made in the conception and scope for not departing from the utility model to change and retouch,
It all should belong to the protection range of the utility model.
Claims (9)
1. a kind of device for absorbing tail gas for SCR denitration performance detection, which is characterized in that including absorbing liquid preparation with
Stocking system, tail gas absorption and control system and waste liquid storage and transportation system；The absorbing liquid preparation and stocking system packet
Include absorbing liquid preparation tank, manual ball valve, water injection pipe, absorbing liquid preparation tank float level meter, feed opening and blender, the water filling
Pipe is connected to absorbing liquid preparation tank, and the manual ball valve is mounted on water injection pipe, and the absorbing liquid preparation tank float level meter is set
It sets in the side of absorbing liquid preparation tank, the top of absorbing liquid preparation tank is arranged in the feed opening, and the blender setting is being inhaled
It receives in liquid preparation tank；The tail gas absorption and control system include control cabinet, absorbing liquid rear pump, A tourie inlet pipe electricity
Magnet valve, absorbing liquid export main pipe, A tourie inlet pipe, A tourie, A tourie float level meter, B tourie inlet pipe
Solenoid valve, B tourie inlet pipe, B tourie, B tourie float level meter, tail gas efferent duct, A tourie air inlet pipeline electricity
Magnet valve, A tourie air inlet pipeline, A tourie bubbler, A tourie flow perturbation mechanism, A tourie exhaust pipe, A tourie
Online pH meter, A tourie drain line solenoid valve, B tourie air inlet pipeline solenoid valve, B tourie air inlet pipeline, B tourie
Bubbler, B tourie flow perturbation mechanism, B tourie exhaust pipe, the online pH meter of B tourie and B tourie drain line electromagnetism
One end of valve, the absorbing liquid output main pipe is connected to absorbing liquid preparation tank, the other end difference of the absorbing liquid output main pipe
It is connected to A tourie inlet pipe and B tourie inlet pipe, the A tourie inlet pipe and B tourie inlet pipe are also
It is connected to respectively with A tourie and B tourie, the absorbing liquid rear pump setting is in absorbing liquid output main pipe, the A tourie
Inlet pipe solenoid valve and B tourie inlet pipe solenoid valve are separately mounted to A tourie inlet pipe and B tourie inlet tube
On the road, the A tourie float level meter and B tourie float level meter are separately positioned on the side of A tourie and B tourie
Face, the tail gas efferent duct are connected to A tourie air inlet pipeline and B tourie air inlet pipeline respectively, the A tourie air inlet pipe
Road is connected in A tourie, and the end of A tourie air inlet pipeline is connect with A tourie bubbler, and the B absorbs canister incoming gas
In pipeline connection to B tourie, and the end of B tourie air inlet pipeline is connect with B tourie bubbler, the A tourie into
Tracheae way solenoid valve and B tourie air inlet pipeline solenoid valve are separately mounted to A tourie air inlet pipeline and B tourie air inlet pipeline
On, the A tourie flow perturbation mechanism and B tourie flow perturbation mechanism are separately positioned in A tourie and B tourie,
And A tourie flow perturbation mechanism and B tourie flow perturbation mechanism are located at A tourie bubbler and B tourie is bubbled
The top of device, the online pH meter of the A tourie and the online pH meter of B tourie are separately positioned on A tourie and B tourie, institute
The top that A tourie is arranged in A tourie exhaust pipe is stated, the top of B tourie, the A is arranged in the B tourie exhaust pipe
Tourie and B tourie are stored with waste liquid respectively to be connected to transportation system, and the setting of A tourie drain line solenoid valve is inhaled in A
Closed cans and waste liquid store on the pipeline between transportation system, B tourie drain line solenoid valve is arranged in B tourie and waste liquid
On pipeline between storage and transportation system；The waste liquid storage and transportation system include waste liquid pool, waste liquid pool throw-in type liquid level
Meter, waste liquid rear pump and waste liquid efferent duct, the A tourie and B tourie are connected to waste liquid pool, the waste liquid pool throw-in type
Liquidometer is arranged in waste liquid pool, and the waste liquid efferent duct is connected to waste liquid pool, and the waste liquid rear pump setting is exported in waste liquid
Guan Shang.
2. the device for absorbing tail gas according to claim 1 for SCR denitration performance detection, which is characterized in that
In absorbing liquid preparation with stocking system, the absorbing liquid preparation tank float level meter is connect using cable with the control cabinet,
It is used to indicate the current level of the absorbing liquid preparing tank, liquid level numerical value is directly read on the display screen of the control cabinet.
3. the device for absorbing tail gas according to claim 2 for SCR denitration performance detection, which is characterized in that
The blender uses motor driven, is connect motor with the control cabinet using cable, directly pressing using the control cabinet
Button carries out the start stop operation of motor, and the blender has the protective layer of acid-alkali-corrosive-resisting；The absorbing liquid preparation tank is cylinder
Shape tank body, material use cast iron or steel, and preservative treatment is made on surface, or uses plastic material, outside the absorbing liquid preparation tank
Surface has insulating layer；The absorbing liquid preparation tank float level meter has corrosion resistance.
4. the device for absorbing tail gas according to claim 1 for SCR denitration performance detection, which is characterized in that
In tail gas absorption and control system, motor, A tourie inlet pipe electromagnetism using control cabinet to the absorbing liquid rear pump
Valve, B tourie inlet pipe solenoid valve, A tourie air inlet pipeline solenoid valve, B tourie air inlet pipeline solenoid valve, A tourie
Drain line solenoid valve and B tourie drain line solenoid valve carry out manually and automatically start stop operation, inhale for realizing to the A
Closed cans and/or B tourie carry out absorbing liquid supplement, tail gas absorption, discharging of waste liquid and the operation of gas circuit switching；The absorbing liquid is defeated
Pump motor, A tourie inlet pipe solenoid valve, B tourie inlet pipe solenoid valve, A tourie air inlet pipeline solenoid valve, B out
Tourie air inlet pipeline solenoid valve, A tourie drain line solenoid valve and B tourie drain line solenoid valve, A tourie float
Liquidometer, B tourie float level meter, the online pH meter of A tourie and the online pH meter of B tourie are all made of cable and the control
Cabinet is connected, and the control of switching value is realized by the relay being arranged in the control cabinet.
5. the device for absorbing tail gas according to claim 4 for SCR denitration performance detection, which is characterized in that
The upper end of the A tourie bubbler and B tourie bubbler respectively with A tourie air inlet pipeline and B tourie air inlet pipeline
End by flanged joint, the A tourie bubbler and B tourie bubbler by flange arrangement, three branches and under
Three bubbling pipes composition of side, every branch connect a bubbling pipe, and three bubbling pipes are mutually 120 ° and arrange and extend to accordingly
Absorbing liquid preparation tank tank body near wall；Several bubbling balls are provided on bubbling pipe, the surface for being bubbled ball is provided with more
A aperture, tail gas are absorbed by being bubbled ball bulging and contacting with absorbing liquid；Be conducive to enhance SO2、SO3、NO2Pollutant with
The reaction rate of NaOH；The material of the tourie bubbler is identical as the absorbing liquid preparation tank.
6. the device for absorbing tail gas according to claim 4 for SCR denitration performance detection, which is characterized in that
Liang Ge flow perturbation mechanism is circular gratings shape structure, there is two or more layers arrangement, the flange knot being arranged by center
Structure is connected with corresponding tourie air inlet pipeline, replacement easy to disassemble；The grizzly bar of grid is cylindrical structure, the grizzly bar of same row
It is installed with small impeller, the impeller is fixed by the card slot on grizzly bar；The section of entire flow perturbation mechanism is covered with microphyll
Wheel is rotated when tail gas, which leaves tourie bubbler, flows through flow perturbation mechanism in the form of bubbles in grid mesh and impeller
Under collective effect, absorbing liquid is acutely disturbed, and gas-liquid contact is more abundant, is conducive to that SO is removed in depth2、SO3、NO2Pollutant；Institute
The material for stating flow perturbation mechanism is identical as the absorbing liquid preparation tank.
7. the device for absorbing tail gas according to claim 4 for SCR denitration performance detection, which is characterized in that
For controlling liquid level in corresponding tourie, between a minimum and a maximum value, liquid level numerical value exists two tourie float level meters
It is directly read on the display screen of the control cabinet, minimum liquid level is located above flow perturbation mechanism, to guarantee that it is described that tail gas flows through
It is still contacted for some time with absorbing liquid after flow perturbation mechanism；The tourie float level meter uses resistant material.
8. the device for absorbing tail gas according to claim 4 for SCR denitration performance detection, which is characterized in that
Two online pH meters of tourie are used to monitor the acid-base property of absorbing liquid in respective absorption tank, display of the pH numerical value in the control cabinet
It is directly read on screen；The online pH meter of tourie is installed using side, and end is located at below minimum liquid level, far from tourie
Flow perturbation mechanism, material use resistant material.
9. the device for absorbing tail gas according to claim 1 for SCR denitration performance detection, which is characterized in that
The waste liquid storage and transportation system, collect by the waste liquid pool and store the waste liquid of A tourie and the discharge of B tourie；
The waste liquid pool underground, and be rectangular parallelepiped structure, material is identical as the absorbing liquid preparation tank；The waste liquid pool investment
Formula liquidometer is used to measure the liquid level of the waste liquid pool, and the waste liquid rear pump is used to for the waste liquid in the waste liquid pool being discharged,
The motor of the waste liquid pool called putting-into-type liquid level meter and the waste liquid rear pump is connect by cable with control cabinet；The waste liquid pool is thrown
Enter formula liquidometer and the waste liquid rear pump is all made of resistant material；The waste liquid rear pump uses centrifugal pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821684215.XU CN209264665U (en) | 2018-10-17 | 2018-10-17 | A kind of device for absorbing tail gas for SCR denitration performance detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821684215.XU CN209264665U (en) | 2018-10-17 | 2018-10-17 | A kind of device for absorbing tail gas for SCR denitration performance detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209264665U true CN209264665U (en) | 2019-08-16 |
Family
ID=67557929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821684215.XU Active CN209264665U (en) | 2018-10-17 | 2018-10-17 | A kind of device for absorbing tail gas for SCR denitration performance detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209264665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406711A (en) * | 2018-10-17 | 2019-03-01 | 华电电力科学研究院有限公司 | A kind of device for absorbing tail gas and its tail gas absorption method for SCR denitration performance detection |
-
2018
- 2018-10-17 CN CN201821684215.XU patent/CN209264665U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406711A (en) * | 2018-10-17 | 2019-03-01 | 华电电力科学研究院有限公司 | A kind of device for absorbing tail gas and its tail gas absorption method for SCR denitration performance detection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109406711A (en) | A kind of device for absorbing tail gas and its tail gas absorption method for SCR denitration performance detection | |
| CN209264665U (en) | A kind of device for absorbing tail gas for SCR denitration performance detection | |
| CN106315925B (en) | Organic matter concentration purifying plant and preparation method thereof in poisons in freshwater | |
| CN103274548B (en) | Cycle closed type filler-free high-efficiency ammonia nitrogen removing and nutrient recovery device of biogas slurry | |
| CN105000739B (en) | Biogas slurry minimizing treatment and biogas cooperated purification system and purification method | |
| CN213803032U (en) | Renewable generator inner cooling water treatment device | |
| CN107051126A (en) | A kind of ammonia absorption device in chemical industry tail gas | |
| CN201768474U (en) | Waste gas absorption plant | |
| KR101140775B1 (en) | Apparatus for capture of carbon dioxide continuously circulating aqueous solution in duct reactor and the method thereof | |
| CN206996259U (en) | A kind of spuious flue gas during smelting wet dedusting of atm number, desulphurization system | |
| CN202359045U (en) | Nitrite gas continuous supplier | |
| CN106430711B (en) | The device of fresh water organic matter is extracted using two-stage resin | |
| CN203196408U (en) | Upward flowing type filtering equipment | |
| CN202705065U (en) | High concentration ferric trichloride production device | |
| CN201940167U (en) | Smoke desulfurization absorption tower system based on ammonia method | |
| CN204051384U (en) | A kind of ammonia washing recovering device | |
| CN104163459B (en) | Household water filter | |
| CN211445371U (en) | Photovoltaic aquaculture oxygenation water treatment all-in-one | |
| CN209451578U (en) | A kind of production food-grade carbon-dioxide gas absorption tower | |
| CN209428477U (en) | A kind of gas field individual well liquid desulfurizer based on non-renewable solution | |
| CN207856662U (en) | A kind of spray paint exhaust gas purification equipment | |
| CN207899246U (en) | A kind of system based on desulfuration absorbing tower realization automatic cycle, drain and fluid infusion | |
| CN109745832A (en) | A kind of ammonia absorption system | |
| CN204233950U (en) | The continuous producing apparatus of hydrogen chloride methanol solution | |
| CN213467353U (en) | Acid mist absorption device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |