CN208171682U - A kind of high humidity gas liquid-solid phase object sampling apparatus - Google Patents
A kind of high humidity gas liquid-solid phase object sampling apparatus Download PDFInfo
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- CN208171682U CN208171682U CN201820405037.6U CN201820405037U CN208171682U CN 208171682 U CN208171682 U CN 208171682U CN 201820405037 U CN201820405037 U CN 201820405037U CN 208171682 U CN208171682 U CN 208171682U
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Abstract
The utility model relates to a kind of high humidity gas liquid-solid phase object sampling apparatuses.It is desirable to the device and method that a kind of pair of coal-burning power plant's exterior liquid solid-phase contaminants are fully sampled.The utility model includes that sampling head, heat tracing sampling pipe, sample collecting system and sampler, sampling head are connect with heat tracing sampling pipe, and heat tracing sampling pipe is connect with sample collecting system and sampler respectively, and sample collecting system is connect with sampler；Sampling head includes that Pitot tube, sampling mouth and filter cylinder, Pitot tube are connect with heat tracing sampling pipe, and sampling mouth is connect with filter cylinder, and filter cylinder is connect with heat tracing sampling pipe；Sample collecting system includes level-one receiving flask, second level receiving flask, three-level receiving flask and drying device, level-one receiving flask, second level receiving flask, three-level receiving flask and drying device are sequentially connected, heat tracing sampling pipe is connect with level-one receiving flask, and drying device is connect with sampler.The utility model is simple and convenient to operate as a kind of full ingredient sampling technique of high humidity gas liquid-solid phase object, apparatus structure, is practical.
Description
Technical field
The utility model relates to technical field of air pollution control, in particular to a kind of high humidity gas liquid-solid phase object sampling cartridge
It sets.
Background technique
In recent years, China's haze weather takes place frequently, and causes national attention extensively.One kind is studies have shown that sulfate is heavily contaminated
The major driving factor that weather is formed, airborne fine particulate matter PM2.5In, sulfuric acid salt quality accounting is up to 20% or more.With PM2.5It is dirty
Dye degree increases, and sulfate is PM2.5In with respect to specific gravity rise most fast ingredient, sulfate Source Study is the pass of haze research
One of key problem.During heavily contaminated, sulfate is mainly by SO2And NO2" the particulate matter combination water " being dissolved in air, particulate matter
Refer to PM in conjunction with water2.5Adsorbed moisture is deliquesced under the higher environment of relative humidity.Classics of the another kind based on other areas are big
Gasification theory thinks that sulfate formation leads in cloud water environment since the liquid water content in cloud is much higher than particulate matter combination water
Thousand times or more often are higher by, sulfate of the reaction in particulate matter combination water compared to Yun Shuizhong generates reaction and compares, and can ignore.
Above two result of study difference is larger, but the formation of common ground having the same, i.e. Sulfate Ion In The Atmosphere needs water
Environment.Coal-burning power plant carries out minimum discharge transformation, and Limestone-gypsum Wet Flue Gas Desulfurization Process technique is wide as classical flue gas desulfurization technique
General application, in SO2It achieves noticeable achievement in emission reduction.But hot fume is changed into saturation wet flue gas after wet desulphurization device, drains into outside
In atmosphere, in certain area, atmospheric humidity is added somewhat to, if having an impact still to the formation of Sulfate Ion In The Atmosphere
Without final conclusion.Therefore, the influence after studying coal-fired power plant's minimum discharge to atmospheric environment need to carry out sampling to its discharged gas fume and grind
Study carefully.
Currently, the sampling monitoring device category for coal-burning power plant's atmosphere pollution ingredient is various, such as SO2、NOX, flue dust,
The sampling monitorings equipment such as droplet is sampled both for certain specific pollutant, as application No. is 201610587584.6
Chinese patent has not been reported coal-burning power plant's fully sampled method of exterior liquid solid-phase contaminants, is only limitted to limit to the analysis of its ingredient
Index is arranged, other rare people's concerns of harmful rather than limit row's index.
Utility model content
The purpose of the utility model is to overcome the above deficiencies in the existing technologies, and it is reasonable to provide a kind of design
High humidity gas liquid-solid phase object sampling apparatus.
The technical scheme in the invention for solving the above technical problem is：A kind of high humidity gas liquid-solid phase object sampling cartridge
It sets, which is characterized in that including sampling head, heat tracing sampling pipe, sample collecting system and sampler, the sampling head and heat tracing are sampled
Pipe connection, the heat tracing sampling pipe are connect with sample collecting system and sampler respectively, the sample collecting system and sampler
Connection；The sampling head includes that Pitot tube, sampling mouth and filter cylinder, the Pitot tube are connect with heat tracing sampling pipe, the sampling mouth
It is connect with filter cylinder, the filter cylinder is connect with heat tracing sampling pipe；The sample collecting system includes level-one receiving flask, second level collection
Bottle, three-level receiving flask and drying device, the level-one receiving flask, second level receiving flask, three-level receiving flask and drying device successively connect
It connects, the heat tracing sampling pipe is connect with level-one receiving flask, and the drying device is connect with sampler.It is reasonable in design, it can be right
The liquid-solid phases pollutant such as high-humidity gas fume carries out sampling analysis, practical.
Furthermore, the drying device includes air inlet, gas outlet, partition, airflow channel, desiccant and vapor
Verifying attachment；The air inlet and air outlet are arranged at the bottom of drying device, and the air inlet is located at the one of drying device
Side, the gas outlet are located at the other side of drying device, and the air inlet is connect with three-level receiving flask, the gas outlet and sampling
Device connection；The inside of drying device is arranged in the partition, and the top of partition is arranged in the airflow channel；The desiccant and
Vapor verifying attachment is respectively positioned in drying device, and the desiccant is located at the lower section of airflow channel, and the vapor examines dress
Setting in the end of gas outlet.Drying device is for sufficiently dry gas sampled, and in drying process, gas is arranged from three-level receiving flask
Entered in drying device after out by air inlet, gas carries out primary drying by desiccant, passes through airflow channel later and passes through
Desiccant carries out redrying；Finally, gas is entered in sampler by vapor verifying attachment and by gas outlet.Vapor
Whether the vapor that verifying attachment is used to verify in flue gas is fully absorbed by desiccant.If vapor verifying attachment does not show face
Color, then the vapor in flue gas is completely absorbed；If display color, drying device is needed to change, and increases in drying device and does
The amount of drying prescription, it is ensured that the vapor in flue gas is completely absorbed.
Furthermore, porous glass plate is provided in the three-level receiving flask.For collect the liquid phase object in high humidity gas,
Aerosol and organic matter etc..
Furthermore, temperature control device is provided in the sample collecting system, the temperature control device is for controlling sample
The temperature of collection system, the temperature control device have the function of subregion temperature control, and temperature control range is -20 DEG C ~ 100 DEG C.Temperature control dress
The corresponding regional temperature of three receiving flasks can be adjusted separately by setting, and increase the collecting amount of condensed water.
A kind of method of sampling of high humidity gas liquid-solid phase object sampling apparatus as described above, which is characterized in that the sampling
The step of method, is as follows：
A, each instrument and equipment is connected, when sampling, startup power supply, heat tracing sampling pipe, temperature control device and sampler
It starts to work, opens sample collecting system, adjust the temperature of sample collecting system as needed, set the operation ginseng of sampler
Number；
B, the sampled mouth of high humidity gas enters sampling head, and particulate matter is intercepted by filter cylinder, and high humidity gas enters companion through filter cylinder
Thermal sampling pipe；
C, heat tracing sampling pipe keeps high humidity gas not condense, and later, high humidity gas enters sample collecting system；
D, temperature is adjusted the temperature condensed to suitable high humidity gas, since the temperature difference is big, the height of vaporous by temperature control device
Humid gas condenses in level-one receiving flask, collects liquid phase object, and gas is cold by continuing in second level receiving flask after level-one receiving flask
It is solidifying, liquid phase object is collected, subsequently into three-level receiving flask, liquid phase object, aerosol and organic matter are collected in condensation, and vapor is in gas
Unsaturated state, into drying device；
E, the desiccant filled in drying device further absorbs the vapor in gas, according to aft mounted vapor
Verifying attachment judges whether vapor is absorbed complete by desiccant in gas；
F, the gas after drying enters sampler, measures sample gas dry state volume；
G, after sampling quantity reaches requirement, sampling terminates, and records data；
H, sampling step repeats a ~ g.
Furthermore, in sampling process, gas dynamic pressure, static pressure are measured using Pitot tube, according to related Gas Parameters meter
Calculate gas flow rate.High humidity gas enters sampler by Pitot tube, measures the relevant parameter of gas.
It is easy to operate, fully sampled, complete analysis can be carried out to coal-burning power plant's exterior liquid solid-phase contaminants, to high-humidity gas fume ingredient
Analysis be not limited only to limit row's index, rather than limit row index harmful to other can also be analyzed, and Value of Science & Technology is high.
The utility model compared with prior art, has the following advantages that and effect：1, as a kind of high humidity gas liquid-solid phase
The full ingredient sampling technique of object, fills up domestic technique blank；2, device simple structure, technology maturation, it is at low cost, easy to operate, at
Set assembling；3, Value of Science & Technology is high, practical, has extensive application value.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model embodiment.
Fig. 2 is the structural schematic diagram of level-one receiving flask and second level receiving flask in the utility model embodiment.
Fig. 3 is the structural schematic diagram of three-level receiving flask in the utility model embodiment.
Fig. 4 is the structural schematic diagram of drying device in the utility model embodiment.
In figure：Sampling head 1, Pitot tube 1-1, sampling mouth 1-2, filter cylinder 1-3, heat tracing sampling pipe 2, sample collecting system 3, one
Grade receiving flask 3-1, second level receiving flask 3-2, three-level receiving flask 3-3, drying device 3-4, air inlet 3-4-1, gas outlet 3-4-2,
Partition 3-4-3, airflow channel 3-4-4, desiccant 3-4-5, vapor verifying attachment 3-4-6, sampler 4.
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 to Fig. 4, a kind of high humidity gas liquid-solid phase object sampling apparatus, including sampling head 1, heat tracing sampling pipe 2, sample
Product collection system 3 and sampler 4, sampling head 1 are connect with heat tracing sampling pipe 2, heat tracing sampling pipe 2 respectively with sample collecting system 3
It is connected with sampler 4, sample collecting system 3 is connect with sampler 4.
Sampling head 1 includes Pitot tube 1-1, samples mouth 1-2 and filter cylinder 1-3, and Pitot tube 1-1 connect with heat tracing sampling pipe 2, adopts
Sample mouth 1-2 is connect with filter cylinder 1-3, and filter cylinder 1-3 is connect with heat tracing sampling pipe 2；Sample collecting system 3 include level-one receiving flask 3-1,
Second level receiving flask 3-2, three-level receiving flask 3-3 and drying device 3-4, level-one receiving flask 3-1, second level receiving flask 3-2, three-level are collected
Bottle 3-3 and drying device 3-4 is sequentially connected, and heat tracing sampling pipe 2 is connect with level-one receiving flask 3-1, drying device 3-4 and sampler
4 connections.
Drying device 3-4 includes air inlet 3-4-1, gas outlet 3-4-2, partition 3-4-3, airflow channel 3-4-4, desiccant
3-4-5 and vapor verifying attachment 3-4-6；Air inlet 3-4-1 and gas outlet 3-4-2 is arranged at the bottom of drying device 3-4,
Air inlet 3-4-1 is located at the side of drying device 3-4, and gas outlet 3-4-2 is located at the other side of drying device 3-4, air inlet 3-
4-1 is connect with three-level receiving flask 3-3, and gas outlet 3-4-2 is connect with sampler 4；Partition 3-4-3 is arranged in drying device 3-4's
The inside of drying device 3-4 is divided into two parts by inside, partition 3-4-3, wherein and air inlet 3-4-1 is connected to a part,
Gas outlet 3-4-2 is connected to another part；The top of partition 3-4-3 is arranged in airflow channel 3-4-4, for gas from one
Part enters another part；Desiccant 3-4-5 and vapor verifying attachment 3-4-6 are respectively positioned in drying device 3-4, desiccant
3-4-5 is located at the lower section of airflow channel 3-4-4, is used for abundant dry gas；Vapor verifying attachment 3-4-6 is located at gas outlet 3-
The end of 4-2, for examining gas whether sufficiently dry.
Level-one receiving flask 3-1 and second level receiving flask 3-2 is used to collect the condensed water in high humidity gas, three-level receiving flask 3-3
For collecting the liquid phase object in high humidity gas, aerosol and organic matter etc., porous glass plate is provided in three-level receiving flask 3-3.
Temperature control device is provided in sample collecting system 3, temperature control device is used to control the temperature of sample collecting system 3, temperature
Control device has the function of subregion temperature control, and temperature control range is -20 DEG C ~ 100 DEG C.
A kind of the step of method of sampling of high humidity gas liquid-solid phase object sampling apparatus as described above, the method for sampling, is as follows：
A, each instrument and equipment is connected, when sampling, startup power supply, heat tracing sampling pipe 2, temperature control device and sampler
4 start to work, and open sample collecting system 3, adjust the temperature of sample collecting system 3 as needed, set the fortune of sampler 4
Row parameter；
B, the sampled mouth 1-2 of high humidity gas enters sampling head 1, and particulate matter is intercepted by filter cylinder 1-3, and high humidity gas penetrates filter cylinder
1-3 enters heat tracing sampling pipe 2；
C, heat tracing sampling pipe 2 keeps high humidity gas not condense, and later, high humidity gas enters sample collecting system 3；
D, temperature is adjusted the temperature condensed to suitable high humidity gas, since the temperature difference is big, the height of vaporous by temperature control device
Humid gas condenses in level-one receiving flask 3-1, collect liquid phase object, gas pass through level-one receiving flask 3-1 after in second level receiving flask 3-2
In continue to condense, collect liquid phase object, subsequently into three-level receiving flask 3-3, liquid phase object, aerosol and organic matter, gas are collected in condensation
Vapor is in unsaturated state in body, into drying device 3-4；
E, the desiccant 3-4-5 filled in drying device 3-4 further absorbs the vapor in gas, is arranged according to tail portion
Vapor verifying attachment 3-4-6 to judge in gas whether vapor is absorbed by desiccant 3-4-5 complete；
F, the gas after drying enters sampler 4, measures sample gas dry state volume；
G, after sampling quantity reaches requirement, sampling terminates, and records data；
H, sampling step repeats a ~ g.
In sampling process, gas dynamic pressure, static pressure are measured using Pitot tube 1-1, calculate gas stream according to related Gas Parameters
Speed.
Heat tracing sampling pipe 2 guarantees that high-humidity gas fume does not condense during heating, and heats filter cylinder 1-3, is allowed to entire
Drying is kept in sampling process.
Whether the vapor that vapor verifying attachment 3-4-6 is used to verify in flue gas is fully absorbed by desiccant 3-4-5.If
Vapor verifying attachment 3-4-6 not display color, then the vapor in flue gas is completely absorbed；If display color needs to change
Drying device 3-4, and increase the amount of desiccant 3-4-5 in drying device 3-4, it is ensured that the vapor in flue gas is completely absorbed.
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 (4)
1. a kind of high humidity gas liquid-solid phase object sampling apparatus, which is characterized in that including sampling head, heat tracing sampling pipe, sample collection
System and sampler, the sampling head are connect with heat tracing sampling pipe, the heat tracing sampling pipe respectively with sample collecting system and adopt
The connection of sample device, the sample collecting system are connect with sampler；The sampling head includes Pitot tube, samples mouth and filter cylinder, described
Pitot tube is connect with heat tracing sampling pipe, and the sampling mouth is connect with filter cylinder, and the filter cylinder is connect with heat tracing sampling pipe；The sample
Collection system includes level-one receiving flask, second level receiving flask, three-level receiving flask and drying device, and the level-one receiving flask, second level are received
Collection bottle, three-level receiving flask and drying device are sequentially connected, and the heat tracing sampling pipe is connect with level-one receiving flask, the drying device
It is connect with sampler.
2. high humidity gas liquid-solid phase object sampling apparatus according to claim 1, which is characterized in that the drying device includes
Air inlet, gas outlet, partition, airflow channel, desiccant and vapor verifying attachment；The air inlet and air outlet are arranged at
The bottom of drying device, the air inlet are located at the side of drying device, and the gas outlet is located at the other side of drying device, institute
It states air inlet to connect with three-level receiving flask, the gas outlet is connect with sampler；The inside of drying device is arranged in the partition,
The top of partition is arranged in the airflow channel；The desiccant and vapor verifying attachment are respectively positioned in drying device, described
Desiccant is located at the lower section of airflow channel, and the vapor verifying attachment is located at the end of gas outlet.
3. high humidity gas liquid-solid phase object sampling apparatus according to claim 1, which is characterized in that in the three-level receiving flask
It is provided with porous glass plate.
4. high humidity gas liquid-solid phase object sampling apparatus according to claim 1, which is characterized in that the sample collecting system
In be provided with temperature control device, the temperature control device is used to control the temperature of sample collecting system, and the temperature control device has subregion
The function of temperature control, temperature control range are -20 DEG C ~ 100 DEG C.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362530A (en) * | 2018-03-25 | 2018-08-03 | 华电电力科学研究院有限公司 | A kind of high humidity gas liquid-solid phase object sampling apparatus and the method for sampling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362530A (en) * | 2018-03-25 | 2018-08-03 | 华电电力科学研究院有限公司 | A kind of high humidity gas liquid-solid phase object sampling apparatus and the method for sampling |
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