CN205796995U - A kind of accurate air distributing device of laboratory exhaust gas processing system - Google Patents
A kind of accurate air distributing device of laboratory exhaust gas processing system Download PDFInfo
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- CN205796995U CN205796995U CN201620787767.8U CN201620787767U CN205796995U CN 205796995 U CN205796995 U CN 205796995U CN 201620787767 U CN201620787767 U CN 201620787767U CN 205796995 U CN205796995 U CN 205796995U
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- processing system
- exhaust gas
- distributing device
- gas processing
- pipe
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Abstract
The utility model discloses a kind of accurate air distributing device of laboratory exhaust gas processing system, including micro air pump, injection device and pipe-line mixer, micro air pump is connected with the entrance of pipe-line mixer by pipeline respectively with injection device, and the outlet of pipe-line mixer is connected with follow-up waste gas treatment device by gas flowmeter.This utility model laboratory exhaust gas processing system accurate air distributing device simple in construction, it is easy to operation, can effectively accelerate experiment progress, improves exhaust-gas treatment simulation experiment order of accuarcy.
Description
Technical field
This utility model belongs to exhaust-gas treatment experimental provision, is specifically related to a kind of accurate distribution of laboratory exhaust gas processing system
Device.
Background technology
Currently, China's environmental air pollution situation becomes increasingly conspicuous, and occurs the frequency day of the heavily contaminated phenomenons such as haze on a large scale
Benefit increases, and ozone and PM2.5 have become " arch-criminal ", " prime culprit " of urban air pollution, and VOCs(volatile organic contaminant)
It it is then the common precursor thing of the fine particle such as ozone and PM2.5 generation.VOCs has low concentration, highly toxic feature, is referred to as " shadow
Sub-killer ".Therefore, the VOCs treatment research of VOCs, the most gradually obtain increasing concern.
In VOCs treatment, conventional technique mainly has at present: absorption method, absorption process, combustion method, condensation method, biology
Method, and some emerging techniques such as lower temperature plasma technology, photocatalytic oxidation.Higher because processing depth requirements,
When a kind of technique can not meet emission control requirement, two or more technology combination the most common, such as absorption method+burning
Method, lower temperature plasma technology+activated carbon adsorption etc..When selecting concrete process technique and technical method, in waste gas to be regarded
Depending on organic pollution character, emission request, EGT, humidity, and the factor such as gas flow, different technique is for phase
Same Organic Waste Gas Pollution thing, treatment effeciency and cost etc. are different from, and even have a long way to go.Therefore, VOCs treatment work
Can journey realize low-cost high-efficiency, except in many ways consulting relevant technical data, and the simulation experiment of more too busy to get away laboratory.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, it is provided that a kind of simple in construction, easily
In operation, can effectively accelerate experiment progress, improve the laboratory exhaust gas processing system essence of exhaust-gas treatment simulation experiment order of accuarcy
Really air distributing device.
For solving above technical problem, this utility model adopts the following technical scheme that:
A kind of accurate air distributing device of laboratory exhaust gas processing system, including micro air pump, injection device and pipe-line mixer,
Micro air pump is connected with the entrance of pipe-line mixer by pipeline respectively with injection device, and the outlet of pipe-line mixer is by gas
Flowmeter body is connected with follow-up waste gas treatment device.
Preferably, injection device includes medical injection pump and the syringe with syringe needle.
It is further preferred that pipeline is provided with three way cock, the straight tube one of the air outlet connecting tee joint of micro air pump
End, the straight tube other end of three way cock is connected with pipe-line mixer, one end vertical with straight tube in three way cock and syringe
Syringe needle be connected.
Preferably, vertical with straight tube in three way cock one end is provided with seal rubber plug.
Preferably, the air outlet of micro air pump is connected with straight tube one end of three way cock by gas pressure reducer.
Preferably, pipe-line mixer uses SV type.
Due to the enforcement of above technical scheme, this utility model compared with prior art has the advantage that
1, the accurate air distributing device of this utility model laboratory exhaust gas processing system, useless in accurate measurement exhaust treatment system
While throughput, the atomization of one or more liquid state organics is joined in waste gas, and controls organic pollution in waste gas
Content (or concentration) is identical with the organic exhaust gas of required simulation, and the most credible for exhaust-gas treatment experimental result provides
Requisite technical support and strong guarantee；
2, this utility model laboratory exhaust gas processing system accurate air distributing device simple in construction, easy to operate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation at three way cock's dosing position in Fig. 1；
Wherein: 1, micro air pump；2, gas pressure reducer；3, three way cock；4, pipe-line mixer；5, gas flowmeter；6、
Medical injection pump；7, syringe；8, syringe needle；9, pipeline；10, seal rubber plug.
Detailed description of the invention
The utility model is described in more detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in accompanying drawing 1 to accompanying drawing 2, this utility model one accurate air distributing device of laboratory exhaust gas processing system, including
Micro air pump 1, injection device and pipe-line mixer 4, micro air pump 1 and injection device are respectively by pipeline 9 and pipe-line mixer 4
Entrance be connected, the outlet of pipe-line mixer 4 is connected with follow-up waste gas treatment device by gas flowmeter 5, herein, gas
Flowmeter body 5 selects laboratory air glass rotameter, is used for regulating exhaust gas flow, vertically-mounted during use, waste gas from
Under from pass through effusion meter.
In the present embodiment, micro air pump 1 is use for laboratory micro air pump, oil-free operation during use, will not pollution transportation
Gas medium, selects air pump peak flow 6L/min, average discharge 4.5L/min, vacuum 55Kpa, maximum relative pressure
100Kpa, peak power 6.0W, air pump is taken out, exhaust nozzle size (mm): 3.2 (endoporus) × 7.5 (external diameter), Interface Shape: anti-
Sliding convex type (take out, exhaust nozzle).
In the present embodiment, injection device includes medical injection pump 6 and the syringe 7 with syringe needle 8, medical injection pump 6
With supporting 99.9ml syringe 7 organic contamination substrate concentration in simulated exhaust, organic pollution in waste gas is passed through syringe needle 8
Injection enters air distributing device, enters the small Organic substance drop aerosol dispersion under action of high-speed airflow in pipeline 9, with waste gas one
Rising and transmit rearwards, injection flowrate settable is minimum at 0.001 micro-l/h, flow at 0.001 micro-l/h, precision ±
0.5%。
In the present embodiment, pipeline 9 is provided with three way cock 3, and the air outlet of micro air pump 1 is by gas pressure reducer 3 even
Connecing straight tube one end of three way cock 3, the straight tube other end of three way cock 3 is connected with pipe-line mixer 4, in three way cock 3 with
One end that straight tube is vertical is connected with the syringe needle 8 of syringe 7, and gas pressure reducer 3 is used for controlling the outlet pressure of micro air pump 1,
So that waste gas enters follow-up controlling device and processes, when experiment needs to add several Organic substance, can be after gas pressure reducer 3
Increase several three way cock 3, with multichannel medical injection pump and supporting syringe successively by Organic substance flow in pipes 9 more.
In the present embodiment, in three way cock 3, one end vertical with straight tube is provided with seal rubber plug 10.
In the present embodiment, pipe-line mixer 4 uses SV type, the internal circle for being assembled by the corrugated plating of certain specification
Cylinder, after mixing, liquid gas-gas phase unevenness coefficient is: SX≤1～5%.
In the present embodiment, pipeline 9 uses ptfe plastic flexible pipe.
The concrete operations of this utility model device comprise the steps:
The most first said structure is connected according to described step, wherein in syringe, install the required Organic substance of experiment；
B. open micro air pump, regulate gas pressure reducer, make the intrinsic pressure power of system of assorting be maintained in scope of design；
C. adjusting gas flow meter, by air distribution system Boiler pressure control at the required design air flow of experiment；
D. arranging medical injection pump injection speed, open switch, now Organic substance is slowly injected into distribution through three way cock
In system pipeline, and aerosol dispersion under action of high-speed airflow；
The most now in air distribution system, throughput, organic contamination substrate concentration all reach to test required design requirement, can more need
Subsequent purification to be carried out is tested.
This utility model laboratory exhaust gas processing system accurate air distributing device simple in construction, it is easy to operation, can effectively accelerate
Experiment progress, improves the order of accuarcy of exhaust-gas treatment simulation experiment.
Above this utility model is described in detail, but this utility model is not limited to the above embodiments.All bases
The equivalence that spirit of the present utility model is made changes or modifies, and all should contain in protection domain of the present utility model.
Claims (6)
1. the accurate air distributing device of laboratory exhaust gas processing system, it is characterised in that: include micro air pump, injection device and pipe
Road blender, described micro air pump is connected by the entrance of pipeline with described pipe-line mixer respectively with described injection device,
The outlet of described pipe-line mixer is connected with follow-up waste gas treatment device by gas flowmeter.
The accurate air distributing device of laboratory exhaust gas processing system the most according to claim 1, it is characterised in that: described injection dress
Put and include medical injection pump and the syringe with syringe needle.
The accurate air distributing device of laboratory exhaust gas processing system the most according to claim 2, it is characterised in that: on described pipeline
Being provided with three way cock, the air outlet of described micro air pump connects straight tube one end of described three way cock, and described three way cock's is straight
The pipe other end is connected with described pipe-line mixer, one end vertical with straight tube in described three way cock and the pin of described syringe
Head is connected.
The accurate air distributing device of laboratory exhaust gas processing system the most according to claim 3, it is characterised in that: described three connect
One end vertical with straight tube in Tou is provided with seal rubber plug.
The accurate air distributing device of laboratory exhaust gas processing system the most according to claim 3, it is characterised in that: described miniature gas
The air outlet of pump is connected with straight tube one end of described three way cock by gas pressure reducer.
The accurate air distributing device of laboratory exhaust gas processing system the most according to claim 1, it is characterised in that: described pipeline mixes
Clutch uses SV type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620787767.8U CN205796995U (en) | 2016-07-25 | 2016-07-25 | A kind of accurate air distributing device of laboratory exhaust gas processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620787767.8U CN205796995U (en) | 2016-07-25 | 2016-07-25 | A kind of accurate air distributing device of laboratory exhaust gas processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205796995U true CN205796995U (en) | 2016-12-14 |
Family
ID=57507188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620787767.8U Expired - Fee Related CN205796995U (en) | 2016-07-25 | 2016-07-25 | A kind of accurate air distributing device of laboratory exhaust gas processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205796995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849420A (en) * | 2019-11-26 | 2020-02-28 | 常州大学 | Experimental device for be used for studying undulant pipeline and carry liquid |
-
2016
- 2016-07-25 CN CN201620787767.8U patent/CN205796995U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849420A (en) * | 2019-11-26 | 2020-02-28 | 常州大学 | Experimental device for be used for studying undulant pipeline and carry liquid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20170725 |