CN109557062A - A kind of desulfurization wastewater drop evaporation test device and test method - Google Patents
A kind of desulfurization wastewater drop evaporation test device and test method Download PDFInfo
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- CN109557062A CN109557062A CN201811503498.8A CN201811503498A CN109557062A CN 109557062 A CN109557062 A CN 109557062A CN 201811503498 A CN201811503498 A CN 201811503498A CN 109557062 A CN109557062 A CN 109557062A
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- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 64
- 239000002351 wastewater Substances 0.000 title claims abstract description 62
- 230000023556 desulfurization Effects 0.000 title claims abstract description 61
- 238000001704 evaporation Methods 0.000 title claims abstract description 49
- 230000008020 evaporation Effects 0.000 title claims abstract description 37
- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 238000010998 test method Methods 0.000 title claims description 8
- 238000009834 vaporization Methods 0.000 claims abstract description 49
- 230000008016 vaporization Effects 0.000 claims abstract description 49
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000003546 flue gas Substances 0.000 claims abstract description 43
- 239000000779 smoke Substances 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 8
- ZYGHJZDHTFUPRJ-UHFFFAOYSA-N coumarin Chemical compound C1=CC=C2OC(=O)C=CC2=C1 ZYGHJZDHTFUPRJ-UHFFFAOYSA-N 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000009529 body temperature measurement Methods 0.000 claims description 3
- 229960000956 coumarin Drugs 0.000 claims description 3
- 235000001671 coumarin Nutrition 0.000 claims description 3
- DNXIASIHZYFFRO-UHFFFAOYSA-N pyrazoline Chemical compound C1CN=NC1 DNXIASIHZYFFRO-UHFFFAOYSA-N 0.000 claims description 3
- 238000011897 real-time detection Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 29
- 238000000889 atomisation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 3
- 206010020852 Hypertonia Diseases 0.000 description 2
- 238000009388 chemical precipitation Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000010259 detection of temperature stimulus Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 230000003760 hair shine Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 125000000332 coumarinyl group Chemical group O1C(=O)C(=CC2=CC=CC=C12)* 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
- G01N2021/6439—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes" with indicators, stains, dyes, tags, labels, marks
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- Optics & Photonics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Treating Waste Gases (AREA)
Abstract
A kind of desulfurization wastewater drop evaporation test device and method, the smoke outlet of coal-burning boiler are connected to the lower entrances end of surge tank, and blow vent is opened up on surge tank；The upper outlet end of surge tank is connected to by pipeline with the upper entrance end of vaporization chamber；Temperature Humidity Sensor one is equipped in pipeline；Nozzle is equipped with above evaporation chamber；Multiple Temperature Humidity Sensors two are equally spaced equipped with inside vaporization chamber main paragraph from top to bottom, are equipped with multiple transparent observation windows at equal intervals from top to bottom on the side wall of vaporization chamber main paragraph；Multiple high-speed cameras are installed at multiple observation windows, and multiple ultraviolet lamps are installed on the outside of vaporization chamber；The lower part outlet end of vaporization chamber is equipped with air-introduced machine.Method: the flue gas after will be quenched feeds vaporization chamber, feeds vaporization chamber after fluorescer atomization is added in waste water to be desulfurization, acquires the drop situation at different location in real time by high-speed camera.Whether the evaporation that the device and method accurately judges desulfurization wastewater drop is complete, can accurately test the time of evaporation.
Description
Technical field
The present invention relates to a kind of desulfurization wastewater drop evaporation test device and test methods, belong to environmental protection technology neck
Domain.
Background technique
Limestone-gypsum Wet Flue Gas Desulfurization Process technical maturity is stablized, and desulfuration efficiency is high, and has good adaptability to coal,
It is therefore widely used in thermal power plant.But the technique is recycled because of desulfurization slurry in the process of running, therefore pH value constantly reduces,
In addition the HCl in flue gas, the chloride ion in process water also can be constantly enriched in slurries, and there are desulfuration efficiencies to reduce, by-product
The problems such as decline of product gypsum qualitt, desulphurization plant corrosion aggravation.In order to guarantee the safety and stability and desulfuration efficiency of desulphurization system
Higher level is maintained, which is periodically discharged a part of waste water, as desulfurization wastewater.Since desulfurization waste water quality has
The particularity and complexity of height, the especially contents of many kinds of heavy metal ion contained by it can bring serious pollution to environment, directly
Discharge will cause huge pollution, so must individually be handled desulfurization wastewater.
Currently, common heat-engine plant desulfurized wastewater treatment method has: chemical precipitation method, hydraulic flushing ash method, chemical precipitation-are micro-
Filter membrane method, fluidized bed process, flue evaporation process method.
Desulfurization wastewater flue evaporation technique be using double fluid atomization nozzle desulfurization wastewater be atomized and spray into air preheater and
In flue between deduster, using fume afterheat by waste water evaporating completely, make the pollutant in waste water be converted into crystal or
Salt is trapped with flying dust by subsequent deduster.The technique is micro- relative to chemical precipitation method, hydraulic flushing ash method, chemical precipitation-
Relatively simple for filter membrane method, fluidized bed process, investment and operating cost desulfurization that is lower, but being generated in the unit time in this method
Waste water needs to evaporate in a short time, and otherwise the droplet of non-evaporating completely can generate corrosion to flue and electric precipitator.
Currently, the research for drop evaporation in desulfurization wastewater evaporation is less, Mitsubishi Heavy Industries Ltd more early carry out desulfurization wastewater cigarette
Evaporation experiment research in road obtains the feasibility of desulfurization wastewater flue evaporation, but lack and be directed to by building pilot test platform
The experimental study of desulfurization wastewater drop evaporation time, therefore need that a set of accurately to judge under different flue gas environment different physical property de-
The test device and test method of the evaporation time of sulphur waste water drop.
Summary of the invention
In view of the above existing problems in the prior art, the present invention provides a kind of desulfurization wastewater drop evaporation test device and surveys
Method for testing, the device and method can simulate the evaporation situation of different physical property desulfurization wastewater drops under different flue gas environment, facilitate
Whether the accurate evaporation for judging desulfurization wastewater drop is complete, facilitates the time for accurately testing evaporation, can evaporate for desulfurization wastewater
Engineer application provide guidance.
To achieve the goals above, the present invention provides a kind of desulfurization wastewater drop evaporation test device, including coal-burning boiler
And it is disposed side by side on surge tank and vaporization chamber above coal-burning boiler, the smoke outlet of coal-burning boiler and the lower part of surge tank enter
The connection of mouth end, surge tank open up blow vent at the arrival end of its underpart；The upper outlet end of surge tank passes through pipeline and evaporation
The upper entrance end of room is connected to；Temperature Humidity Sensor one is equipped in pipeline；
Nozzle is equipped with above evaporation chamber, nozzle is connected to the desulfurization wastewater of external addition fluorescer by liquid feeding pipeline；
Multiple Temperature Humidity Sensors two are equally spaced inside vaporization chamber main paragraph from top to bottom, on the side wall of vaporization chamber main paragraph
It is equidistantly provided with multiple transparent observation windows corresponding with multiple Temperature Humidity Sensors two from top to bottom；Vaporization chamber main paragraph
External corresponding multiple observation windows multiple high-speed cameras are installed, and be equipped in the side close to multiple observation windows multiple
Ultraviolet lamp；The lower part outlet end of vaporization chamber is connected to by air-introduced machine with exhaust gas processing device；
Temperature Humidity Sensor one and Temperature Humidity Sensor two show that equipment is connect with external data.
In order to improve evaporation effect, the upper entrance end setting of the nozzle face vaporization chamber.
Further, in order to improve the uniformity mixed with flue gas by the gas that blow vent is passed through, meanwhile, also for mould
Intend different temperature environments, blender and heating rod are additionally provided with inside the surge tank, blender is located at position in surge tank
It sets, heating rod is located at surge tank top.
Further, in order to guarantee that observation window has preferable heat resistance, meanwhile, and it is avoided that the loss of heat, it is described
Observation window material be quartz glass, be divided into 150mm between adjacent observation window；In order to improve measurement accuracy, adjacent temperature and humidity is passed
100mm is divided between sensor two.
Further, in order to avoid the hypertonia in surge tank, also for can as needed in time will be more in surge tank
The discharge of residual air body, the surge tank are equipped with exhaust valve.
In order to improve measurement accuracy, the temperature measurement accuracy of the Temperature Humidity Sensor one and Temperature Humidity Sensor two is equal
It is 0.1 DEG C, moisture measurement is that precision is 0.5%RH.
As a preference, the fluorescer is coumarin type or pyrazoline type fluorescer.
The present apparatus is by the longitudinally positioned multiple transparent windows being spacedly distributed of the main paragraph in vaporization chamber, and in sight
Cha Chuanchu is equipped with high speed camera and ultraviolet lamp, takes different height position in vaporization chamber from transparent windows using high speed camera
The desulfurization wastewater set high-temperature flue gas effect under drop evaporate situation, with to luminous drop different location brightness and quantity
Situation of change is recorded, with the evaporating completely time of the desulfurization wastewater after atomized；The irradiation of ultraviolet lamp makes to be added to glimmering
The desulfurization wastewater of photo etching shines, so that the accuracy of Image Acquisition is improved, in the corresponding evaporation chamber setting of multiple observation windows
Multiple Temperature Humidity Sensors carry out real-time measurement to the temperature and humidity situation of the desulfurization wastewater of different height position in vaporization chamber, when
When a certain observation window does not observe luminous drop, the position of drop evaporating completely is judged in conjunction with temperature and humidity situation of change at this
It sets.By the setting of venthole, carry out convenient for different gas is added to the ingredient of flue gas it is quenched, with can real simulation it is different
Parameter under flue environment, makes evaluation procedure more tally with the actual situation.The test device structure is simple, easy to operate, can test
The evaporation time of the desulfurization wastewater of different physical property can provide reliable theory for the engineer application for instructing desulfurization wastewater to evaporate
Foundation and guidance.
In view of the above-mentioned problems of the prior art, the present invention also provides a kind of desulfurization wastewater drops to evaporate test side
Method, this method can simulate different flue gas environment, can accurately determine the desulfurization wastewater drop of different acquisition position in vaporization chamber
Situation is evaporated, whether the desulfurization wastewater drop that can be accurately judged to a certain acquisition position in vaporization chamber evaporates completely.
To achieve the goals above, the present invention also provides a kind of desulfurization wastewater drops to evaporate test method, comprising following
Step:
Step 1: fluorescer is added in desulfurization wastewater, is uniformly mixed stand-by；
The flue gas for having heat is generated using coal-burning boiler, and flue gas is made to feed surge tank, meanwhile, by venthole to slow
It rushes tank and quenched gas is added；
Step 2: driving blender to quenched gas and enter surge tank flue gas uniformly mixed, it is quenched after flue gas
Enter in vaporization chamber by pipeline；The temperature and humidity situation of flue gas after one real-time detection of Temperature Humidity Sensor is quenched, and pass
External data display equipment is defeated by be shown and recorded；
Step 3: under the irradiation of ultraviolet lamp by corresponding multiple high-speed cameras at multiple observation windows to vaporization chamber
The desulfurization wastewater evaporation situation of longitudinal each acquisition position carries out real-time Image Acquisition inside main paragraph, and is transferred to processing and sets
The standby real-time record for carrying out image and analysis；
Meanwhile by corresponding multiple Temperature Humidity Sensors two at multiple observation windows to longitudinal inside vaporization chamber main paragraph
Upper each acquisition position carries out real-time data of the Temperature and Humidity module acquisition, and be transferred to external data display equipment carry out real-time display and
Record；
Step 4: analyzing the specific acquisition position for not acquiring luminous drop, and combine the acquisition position corresponding warm and humid
Situation of change is spent, determines the position of evaporating completely, and record the evaporating completely time；
Step 5: tail gas is drawn by supply exhaust gas processing device by air-introduced machine.
In step 2, when the temperature that Temperature Humidity Sensor one detects is lower than setting value, by heating rod to after quenched
Flue gas carries out reheating, and the stopping when temperature that Temperature Humidity Sensor one detects reaches setting value.
This method is dissolved in liquid using fluorescer and shines this characteristic, make mist by adding fluorescer in desulfurization wastewater
The drop of desulfurization wastewater after change is convenient for being captured, the irradiation through ultraviolet lamp, promotes effective shooting of the high-speed camera to drop；
Evaporation characteristic of this method using fluorescent traccer technique test desulfurization wastewater in vaporization chamber, keeps test result more acurrate, more favorably
Accurate judgement in evaporating completely position.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is desulfurization wastewater drop evaporation test flow chart；
Fig. 3 is desulfurization wastewater drop evaporation test effect figure.
In figure: 1, coal-burning boiler, 2, surge tank, 3, vaporization chamber, 4, pipeline, 5, Temperature Humidity Sensor one, 6, nozzle, 7, sight
Examine window, 8, Temperature Humidity Sensor two, 9, ultraviolet lamp, 10, air-introduced machine, 11, blow vent, 12, blender, 13, heating rod, 14, row
Air valve.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
As shown in Figure 1, a kind of desulfurization wastewater drop evaporates test device, including coal-burning boiler 1 and it is disposed side by side on fire coal
The surge tank 2 and vaporization chamber 3 of 1 top of boiler, the smoke outlet of coal-burning boiler 1 are connected to the lower entrances end of surge tank 2, are
Convenient for simulating different flue gas environment as needed, surge tank 2 opens up blow vent 11 at the arrival end of its underpart；Surge tank 2
Upper outlet end be connected to the upper entrance end of vaporization chamber 3 by pipeline 4；Temperature Humidity Sensor 1 is equipped in pipeline 4；
3 inner upper of vaporization chamber is equipped with nozzle 6, and nozzle 6 is useless by the desulfurization that liquid feeding pipeline is connected to external addition fluorescer
Water；Multiple Temperature Humidity Sensors 28 have been equally spaced inside 3 main paragraph of vaporization chamber from top to bottom, 3 main paragraph of vaporization chamber
Multiple transparent observation windows 7 corresponding with multiple Temperature Humidity Sensors 28 are equidistantly provided on side wall from top to bottom；Evaporation
External corresponding multiple 7 ground of observation window of 3 main paragraph of room are equipped with multiple high-speed cameras, and in close to the one of multiple observation windows 7
Side is equipped with multiple ultraviolet lamps 9；The lower part outlet end of vaporization chamber 3 is connected to by air-introduced machine 10 with exhaust gas processing device；
Temperature Humidity Sensor 1 and Temperature Humidity Sensor 28 show that equipment is connect with external data.
In order to improve evaporation effect, the upper entrance end setting of the 6 face vaporization chamber 3 of nozzle.
In order to improve the uniformity mixed with flue gas by the gas that blow vent 11 is passed through, inside the surge tank 2
It is additionally provided with blender 12 and heating rod 13, for convenient for simulating different temperature environments, blender 12 is located at position in surge tank 2
It sets, is driven by the driving motor outside surge tank 2 is arranged in, heating rod 13 is located at 2 top of surge tank, and humidity control range is
400 degree.
In order to guarantee that observation window has preferable heat resistance, meanwhile, and it is avoided that the loss of heat, the observation window
7 materials are quartz glass, are divided into 150mm between adjacent observation window 7；In order to improve measurement accuracy, adjacent Temperature Humidity Sensor 28
Between be divided into 100mm.
In order to avoid the hypertonia in surge tank 2, also for can be as needed in time by the excessive gas in surge tank 2
Discharge, the surge tank 2 are equipped with exhaust valve 14.
In order to improve measurement accuracy, the temperature measurement accuracy of the Temperature Humidity Sensor 1 and Temperature Humidity Sensor 28
It is 0.1 DEG C, moisture measurement is that precision is 0.5%RH.
As a preference, fluorescer selects coumarin type or pyrazoline type fluorescer.
As shown in Fig. 2, a kind of desulfurization wastewater drop evaporates test method comprising the steps of:
Step 1: fluorescer is added in desulfurization wastewater, is uniformly mixed stand-by；
The flue gas for having heat is generated using coal-burning boiler 1, and flue gas is made to feed surge tank 2, meanwhile, pass through venthole 11
Quenched gas is added to surge tank 2；
Step 2: driving blender 12 is uniformly mixed to quenched gas and into the flue gas of surge tank 2, after quenched
Flue gas enters in vaporization chamber 3 by pipeline 4；The temperature and humidity feelings of flue gas after one 5 real-time detection of Temperature Humidity Sensor is quenched
Condition, and be transferred to external data display equipment and shown and recorded；
Step 3: by corresponding multiple high-speed cameras at multiple observation windows 7 to evaporation under the irradiation of ultraviolet lamp 9
The desulfurization wastewater evaporation situation of longitudinal each acquisition position carries out real-time Image Acquisition inside 3 main paragraph of room, and is transferred to place
Manage real-time record and analysis that equipment carries out image；
Meanwhile by corresponding to inside 28 pairs of 3 main paragraphs of vaporization chamber of multiple Temperature Humidity Sensors at multiple observation windows 7
Each acquisition position carries out real-time data of the Temperature and Humidity module acquisition on longitudinal direction, and is transferred to external data display equipment and is shown in real time
Show and records；
Step 4: analyzing the specific acquisition position for not acquiring luminous drop, and combine the acquisition position corresponding warm and humid
Situation of change is spent, determines the position of evaporating completely, and record the evaporating completely time；
Step 5: tail gas is drawn by supply exhaust gas processing device by air-introduced machine 10.
In step 2, when the temperature that Temperature Humidity Sensor 1 detects is lower than setting value, by heating rod 13 to quenched
Flue gas afterwards carries out reheating, and the stopping when temperature that Temperature Humidity Sensor 1 detects reaches setting value.
Coal-burning boiler 1 generates the flue gas with heat, which enters the lower entrances of surge tank 2 from 1 upper end of coal-burning boiler
End is passed through the gas of setting classification out of 2 side of surge tank opens up blow vent 11, carries out quenched, gas and flue gas to flue gas
Mixing goes upward to the middle part of surge tank 2, is stirred, makes to the mixed gas after gas is quenched under the action of blender 12
Its more uniformly, it is quenched after flue gas continue uplink, as needed determine heating rod 13 whether need to open, flue-gas temperature not
In the case where height, opens heating rod 13 and flue gas is heated, in the case where unlatching, the temperature highest in surge tank 2 can add
Heat is to 400 DEG C；Flue gas enters in pipeline 4 through 2 upper outlet end of surge tank, and Temperature Humidity Sensor 1 collects in the pipeline 4
The temperature and humidity signal of flue gas, and the signal is transferred to display equipment after outer transmitter is converted, in order to grasp
Author records；
Flue gas moves ahead along pipeline 4, and the arrival end opened up from 3 top side of vaporization chamber enters vaporization chamber 3, and nozzle 6 is from evaporation
3 upper end of room is protruded into vaporization chamber 3, face smoke inlet end, and flue gas is contained to what is sprayed after the atomization of nozzle 6 in time
The desulfurization wastewater of fluorescer carries out rapid evaporation；Desulfurization wastewater drop through being atomized comes downwards to the main paragraph of vaporization chamber 3, main paragraph
On 6 observation windows 7 are opened up according to its actual size, the material of observation window 7 is transparent quartz glass, is guaranteeing see-through
Flue gas heat can be prevented to be lost again simultaneously, while high speed camera and ultraviolet lamp 9 are set near each observation window 7, ultraviolet lamp 9
Irradiation can make the fluorescer added in desulfurization wastewater shine, and each high speed camera takes the steaming at corresponding observation window 7 in real time
The brightness and quantity situation of change of the luminous drop inside room 3 are sent out, while being arranged inside the corresponding vaporization chamber 3 of each observation window 7
Multiple Temperature Humidity Sensors 28 acquire in real time respective position flue gas temperature and humidity signal, and the signal is passed through
Outer transmitter is transferred to display equipment and is shown after being converted, in order to which operator records 3 different height of vaporization chamber
The flue gas data of the Temperature and Humidity module of position, as shown in figure 3, shooting when in a certain position high speed camera less than luminous drop, and the position
Temperature and humidity it is unchanged when, position and the time of evaporating completely can be determined.The flue gas for coming downwards to 3 outlet end of vaporization chamber is logical
It crosses air-introduced machine 10 and introduces exhaust gas processing device, carry out subsequent processing.
Claims (9)
1. a kind of desulfurization wastewater drop evaporates test device, including coal-burning boiler (1), which is characterized in that further include being arranged side by side
Surge tank (2) and vaporization chamber (3) above coal-burning boiler (1), smoke outlet and surge tank (2) of coal-burning boiler (1)
The connection of lower entrances end, surge tank (2) open up blow vent (11) at the arrival end of its underpart；The upper outlet of surge tank (2)
End is connected to by pipeline (4) with the upper entrance end of vaporization chamber (3)；Temperature Humidity Sensor one (5) is equipped in pipeline (4)；
Vaporization chamber (3) inner upper is equipped with nozzle (6), and nozzle (6) is connected to the desulfurization of external addition fluorescer by liquid feeding pipeline
Waste water；Multiple Temperature Humidity Sensors two (8), vaporization chamber (3) have been equally spaced inside vaporization chamber (3) main paragraph from top to bottom
Multiple transparent sights corresponding with multiple Temperature Humidity Sensors two (8) are equidistantly provided on the side wall of main paragraph from top to bottom
Examine window (7)；Multiple high-speed cameras are installed to external corresponding multiple observation windows (7) of vaporization chamber (3) main paragraph, and in close
The side of multiple observation windows (7) is equipped with multiple ultraviolet lamps (9)；The lower part outlet end of vaporization chamber (3) by air-introduced machine (10) with
Exhaust gas processing device connection；
Temperature Humidity Sensor one (5) and Temperature Humidity Sensor two (8) show that equipment is connect with external data.
2. a kind of desulfurization wastewater drop according to claim 1 evaporates test device, which is characterized in that the nozzle (6)
The upper entrance end of face vaporization chamber (3) is arranged.
3. a kind of desulfurization wastewater drop according to claim 1 or 2 evaporates test device, which is characterized in that described is slow
It rushes inside tank (2) and is additionally provided with blender (12) and heating rod (13), blender (12) is located at surge tank (2) medium position, heating
Stick (13) is located at surge tank (2) top.
4. a kind of desulfurization wastewater drop according to claim 3 evaporates test device, which is characterized in that the observation window
(7) material is quartz glass, is divided into 150mm between adjacent observation window (7)；It is divided between adjacent Temperature Humidity Sensor two (8)
100mm。
5. a kind of desulfurization wastewater drop according to claim 4 evaporates test device, which is characterized in that the surge tank
(2) exhaust valve (14) are equipped with.
6. a kind of desulfurization wastewater drop according to claim 5 evaporates test device, which is characterized in that the temperature and humidity
The temperature measurement accuracy of sensor one (5) and Temperature Humidity Sensor two (8) is 0.1 DEG C, and moisture measurement precision is 0.5%
RH。
7. a kind of desulfurization wastewater drop according to claim 6 evaporates test device, which is characterized in that the fluorescer
For coumarin type or pyrazoline type fluorescer.
8. a kind of desulfurization wastewater drop evaporates test method, which is characterized in that comprise the steps of:
Step 1: fluorescer is added in desulfurization wastewater, is uniformly mixed stand-by；
The flue gas for having heat is generated using coal-burning boiler (1), and flue gas is made to feed surge tank (2), meanwhile, pass through venthole
(11) quenched gas is added to surge tank (2)；
Step 2: flue gas of driving blender (12) to quenched gas and into surge tank (2) is uniformly mixed, after quenched
Flue gas enters in vaporization chamber (3) by pipeline (4)；The temperature of flue gas after Temperature Humidity Sensor one (5) real-time detection is quenched and
Humidity condition, and be transferred to external data display equipment and shown and recorded；
Step 3: passing through corresponding multiple high-speed cameras at multiple observation windows (7) under the irradiation of ultraviolet lamp (9) to evaporation
The desulfurization wastewater evaporation situation of longitudinal each acquisition position carries out real-time Image Acquisition inside room (3) main paragraph, and is transferred to
Processing equipment carries out real-time record and the analysis of image；
Meanwhile by corresponding multiple Temperature Humidity Sensors two (8) at multiple observation windows (7) in vaporization chamber (3) main paragraph
Longitudinally upper each acquisition position carries out real-time data of the Temperature and Humidity module acquisition in portion, and it is real-time to be transferred to external data display equipment progress
Display and record；
Step 4: analyzing the specific acquisition position for not acquiring luminous drop, and the corresponding temperature and humidity of the acquisition position is combined to become
Change situation, determines the position of evaporating completely, and record the evaporating completely time；
Step 5: tail gas is drawn by supply exhaust gas processing device by air-introduced machine (10).
9. a kind of desulfurization wastewater drop according to claim 8 evaporates test method, which is characterized in that in step 2, in temperature
When the temperature that humidity sensor one (5) detects is lower than setting value, the flue gas after quenched is carried out by heating rod (13) secondary
Heating, and the stopping when temperature that Temperature Humidity Sensor one (5) detects reaches setting value.
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