CN202661321U - Multi-channel gas mixed flow device - Google Patents
Multi-channel gas mixed flow device Download PDFInfo
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- CN202661321U CN202661321U CN 201220213778 CN201220213778U CN202661321U CN 202661321 U CN202661321 U CN 202661321U CN 201220213778 CN201220213778 CN 201220213778 CN 201220213778 U CN201220213778 U CN 201220213778U CN 202661321 U CN202661321 U CN 202661321U
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Abstract
The utility model relates to a multi-channel gas mixed flow device which comprises an installation plate, a plurality of gas inlet branches, a plurality of filtering devices and a dual-stage gas mixing device. The plurality of filtering devices and the dual-stage gas mixing device are arranged on the installation plate, and each gas inlet branch is sequentially connected with at least one filtering device, a gas circuit control device and the dual-stage gas mixing device. Smoke contains certain quantity of impurities such as dust and particulate matters, the impurities such as dust and particulate matters are removed through the filtering devices, input and closing of the gas are controlled by the gas circuit control device, simultaneously volume of gas input in each branch is controlled to be same, and finally gas in different branches is sufficiently mixed through the dual-stage gas mixing device. The multi-channel gas mixed flow device is simple in structure, compact, portable and convenient to use in site, multicomponent gas can be rapidly mixed in a short time, mixing effects are good, each gas inlet branch can be singly controlled through the gas circuit control device, and use is flexible.
Description
Technical field
The utility model relates to a kind of gas hybrid technology field, particularly relates to a kind of multi-channel gas flow mixing device.
Background technology
70% of China's energy derives from fire coal, and coal-fired particle, sulphuric dioxide, the oxides of nitrogen that discharges is the major pollutants that cause atmospheric pollution.Continuous monitoring exhaust system (CEMS, Continuous Emission Monitoring System) be for realizing the custom-designed on-line monitoring system of gas pollutant continuous monitoring, CEMS all installs in the above power plant of most domestic 300MW, main monitoring gaseous contaminant, particle and relevant exhaust parameter provide basic data for environmental administration in time understands and grasp major polluting sources pollutant emission situation, the reduction of discharging of major pollutants total amount etc.
According to " stationary pollution source gas discharging continuous monitoring technical manual " (HJ/T 75-2007) requirement, CEMS locates and should avoid smoke canal elbow and section position jumpy, should be chosen in as far as possible the section of steady air current when the installation site can not meet the demands.But the CEMS of most of power plant is subjected to condition restriction in the actual installation process, be difficult to satisfy above-mentioned requirements, in the unsettled situation in monitoring section flow field, inertia motion causes particle, gaseous contaminant and velocity flow profile are inhomogeneous, therefore the single-point sampling is difficult to satisfy the requirement that the pollutant levels of surveying represent the true pollutant load of flue section, it is the effective ways that obtain accurate pollutant load that same monitoring section is carried out multi-point sampling, but increased undoubtedly on the one hand monitoring cost, each point needs the independent sampling of installing, analytical equipment, this is so that the monitoring system complicated, and the fusion of different analytic systems can bring larger systematic error.
Summary of the invention
The purpose of this utility model provides a kind of multi-channel gas flow mixing device, and it can overcome the defective of prior art, can simultaneously multipath gas be mixed, and improves the blending efficiency of multipath gas.
The purpose of this utility model is achieved in that
A kind of multi-channel gas flow mixing device, it includes installing plate, many air inlet branch roads, a plurality of filtration unit and twin-stage gas mixing devices, a plurality of described filtration units and described twin-stage gas mixing device are arranged on the described installing plate, and each bar air inlet branch road is connected with at least one described filtration unit, route controller and twin-stage gas mixing device successively.
Contain the impurity such as a certain amount of dust, particle in the flue gas, remove the impurity such as dust in the gas, particle by described filtration unit, consistent with the gas volume of closing, also control simultaneously each bar branch road input by the input of described route controller control gas again, fully mix by the gas of described twin-stage gas mixing device with different branch at last.
Among embodiment, described twin-stage gas mixing device includes the first mixed gas tank and the second mixed gas tank therein, and the described first mixed gas tank and described second mixes the gas tank connection of connecting.
Among embodiment, the inwall of the described first mixed gas tank and the described second mixed gas tank is staggeredly equipped with a plurality of dividing plates therein.
By described twin-stage gas mixing device gas is risen at the described first mixed gas tank and the second mixed gas tank inside spin, reach well-mixed purpose.
Among embodiment, the described first mixed gas tank is provided with a plurality of air intake openings therein, and the quantity of described air intake opening is corresponding with the quantity of described air inlet branch road.
Among embodiment, the bottom of the described first mixed gas tank, the described second mixed gas tank is respectively equipped with the first row mouth of a river, the second row mouth of a river therein, and the bottom of the described first mixed gas tank and the described second mixed gas tank is arc.
Therein among embodiment, described route controller includes solenoid valve, solenoid valve controller and gas flow controller, the air intake opening of described solenoid valve is connected with the gas outlet of described filtration unit, the gas outlet of described solenoid valve is connected with the air intake opening of described flow controller, and the gas outlet of described flow controller is connected with the air intake opening of described the first air inlet tank.
Therein among embodiment, it also includes heating module, radiating module, temperature conditioning unit and heater incubator, described heating module, heat radiation template and described temperature conditioning unit are fixed on the described installing plate, and described heater incubator is surrounded on the periphery of described installing plate.
When gas temperature is low, start described heating module heating, under the effect of described temperature conditioning unit and insulation can, working temperature is controlled in the suitable scope simultaneously; On the other hand, because described insulation can compact conformation, again by radiating module with heat in described insulation can internal divergence, the combination of described heating module, radiating module and temperature conditioning unit guarantees that gas mixes gas under constant temperature, prevents condensate moisture in the gas and causes and treat that mixed gas composition loses.
Among embodiment, it includes the filtration units that two series connection are communicated with therein.Treat mixed gas for exhaust gas dust content is extra high, remove the impurity such as dust in the gas, particle by two filtration units are set.
Therein among embodiment, described air inlet branch road, described twin-stage gas mixing device are that described filtration unit is anti-corrosion material and makes.
The utility model multi-channel gas flow mixing device compared with prior art has following beneficial effect:
(1) all structures all are arranged on the described installing plate, and the characteristics such as simple in structure, compact, portable, miniaturization are convenient to use at the scene;
(2) but the multicomponent gas short time realize rapid mixing, Blending Efficiency of Blending is good;
(3) can realize independent control to each bar air inlet branch road by route controller, use flexibly.
Description of drawings
Fig. 1 is the utility model multi-channel gas flow mixing device process flow diagram;
Fig. 2 is the structural representation of the utility model multi-channel gas flow mixing device embodiment one;
Fig. 3 is the structural representation of the utility model multi-channel gas flow mixing device embodiment two.
Embodiment
As shown in Figures 1 and 2, the utility model multi-channel gas flow mixing device, it includes installing plate 11,5 air inlet branch roads, 5 filtration units 12 and twin-stage gas mixing device, described filtration unit and described twin-stage gas mixing device are arranged on the described installing plate 11, each bar air inlet branch road successively with described filtration unit 12, route controller, be connected with described twin-stage gas mixing device more at last.
Contain the impurity such as a certain amount of dust, particle in the flue gas, remove the impurity such as dust in the gas, particle by described filtration unit 12, consistent with the gas volume of closing, also control simultaneously each bar branch road input by the input of described route controller control gas again, fully mix by the gas of described twin-stage gas mixing device with different branch at last.
When the mixed flue gas dust content is extra high when treating mixed flue gas, can two described filtration units 12 that are connected in series be set at each bar air inlet branch road, form cascade filtration, strengthen the clearance for the treatment of the impurity such as dust, particle in the mixed flue gas.
Described twin-stage gas mixing device includes the first mixed gas tank 13 and the second mixed gas tank 14, and the described first mixed gas tank 13 and described second mixes gas tank 14 connection of connecting.The inner structure of the described first mixed gas tank 13 and the described second mixed gas tank 14 arranges identical, all wall is staggeredly equipped with a plurality of dividing plates 15,16 within it, formation is with the passage of spiral, and gas can rise at the described first mixed gas tank 13 and the described second mixed gas tank 14 inside spins, fast mixing gas; The described first mixed gas tank 13 is provided with and 55 air intake openings 17 that the air inlet branch road is corresponding, and the gas outlet 18 of the described first mixed gas tank 13 is connected with the air intake opening 19 of the described second mixed gas tank 14; The bottom of the described first mixed gas tank 13 is arc, and is provided with first row water hole 20 in its bottom, and similarly, the bottom of the described second mixed gas tank 14 also be arc, and is provided with second row water hole 21 bottom it, water condensation and discharging in the gas when preventing from not heating.
Described route controller includes solenoid valve 22, solenoid valve controller 24 and gas flow controller 23, the air intake opening of described solenoid valve 22 is connected with the gas outlet of described filtration unit 12, the gas outlet of described solenoid valve 22 is connected with the air intake opening of described flow controller 23, and the gas outlet of described flow controller 23 is connected with the air intake opening of described the first air inlet tank 13.
Described installing plate 11 is provided with filtration unit support 30, solenoid valve controller support 1, solenoid valve controller support 2 32 and mixed gas tank support 33.Described filtration unit 12 is fixed on the described installing plate 11 by described filtration unit support 30; 5 described solenoid valve controllers 24 are fixed on the described installing plate 11 by described solenoid valve controller support 1 or described solenoid valve controller support 2 32 respectively; And the described first mixed gas tank 13 and the described second mixed gas tank 14 are fixed on the described installing plate 11 by described mixed gas tank support 33.
During described hyperchannel flow mixing device work, at first check the impermeability of multi-channel gas flow mixing device, its method of testing is as follows: connect air intake opening and High Purity Nitrogen with the black flexible pipe, and owing to 5 air inlet branch roads are controlled separately by solenoid valve controller, so the every road of independent check impermeability.Take check article one air inlet branch road impermeability as example: after the gas circuit connection is finished, connect device power supply (DPS), open solenoid valve controller, then air pressure adjustment closes source of the gas to 0.1MPa, observes the air pressure change situation, air pressure still remains on about 0.1MPa behind the 5min, and it is air tight to be considered as gas circuit.Other air inlet branch road airtight test is the same.
After airtight test is complete, mixing the gas measure of merit, test adopts oxygen content to be respectively the 20.84%(air), 15%, 9.98%, 8%, the 0%(High Purity Nitrogen) five kinds of gases are tested the mixed even effect of gas, sampling pump with 20L/min is sampled, because the gas analysis instrument air inflow is about 50 ~ 100ml/min, sampling pump air outlet parts air release is in air, partially mixed gas passes into gas analysis instrument, observe any two kinds, three kinds, the Blending Efficiency of Blending of four kinds of gases and five kinds of gases, each gas circuit flow control is at 200ml/min, oxygen content value behind the mixed gas of record after the gas analysis instrument stable reading.
The result is as follows for the mixed gas uniformity test:
As shown in Figure 3, in another preferred embodiment of the utility model hyperchannel mixed flow gas, it also includes heating module 25, radiating module 28, temperature conditioning unit 26 and heater incubator 27, described heating module 25, radiating module 28 and described temperature conditioning unit 26 are fixed on the described installing plate 11, and described heater incubator 27 is surrounded on the periphery of described installing plate.
When gas temperature is low, start described heating module 25 heating, under the effect of described temperature conditioning unit 26 and insulation can 27, working temperature is controlled in the suitable scope simultaneously; On the other hand, because described insulation can 27 compact conformations, again by radiating module 28 with heat in described insulation can 27 internal divergence, the combination of described radiating module 28 and temperature conditioning unit 26 guarantees that gas mix gas under constant temperature, prevents condensate moisture in the gas and causes and wait to mix gas composition and lose.
In the utility model, described air inlet branch road, described twin-stage gas mixing device are that described filtration unit is anti-corrosion material and makes, and avoid the SO in the gas
2, NO
XDeng the corrosive gas etching apparatus.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (9)
1. multi-channel gas flow mixing device, it is characterized in that, it includes installing plate, many air inlet branch roads, a plurality of filtration unit and twin-stage gas mixing devices, a plurality of described filtration units and described twin-stage gas mixing device are arranged on the described installing plate, and each bar air inlet branch road is connected with at least one described filtration unit, route controller and twin-stage gas mixing device successively.
2. multi-channel gas flow mixing device according to claim 1 is characterized in that, described twin-stage gas mixing device includes the first mixed gas tank and the second mixed gas tank, and the described first mixed gas tank and described second mixes the gas tank connection of connecting.
3. multi-channel gas flow mixing device according to claim 2 is characterized in that, the inwall of the described first mixed gas tank and the described second mixed gas tank is staggeredly equipped with a plurality of dividing plates.
4. multi-channel gas flow mixing device according to claim 2 is characterized in that, the described first mixed gas tank is provided with a plurality of air intake openings, and the quantity of described air intake opening is corresponding with the quantity of described air inlet branch road.
5. multi-channel gas flow mixing device according to claim 2, it is characterized in that, the bottom of the described first mixed gas tank, the described second mixed gas tank is respectively equipped with the first row mouth of a river, the second row mouth of a river, and the bottom of the described first mixed gas tank and the described second mixed gas tank is arc.
6. multi-channel gas flow mixing device according to claim 2, it is characterized in that, described route controller includes solenoid valve, solenoid valve controller and gas flow controller, the air intake opening of described solenoid valve is connected with the gas outlet of described filtration unit, the gas outlet of described solenoid valve is connected with the air intake opening of described flow controller, and the gas outlet of described flow controller is connected with the air intake opening of described the first air inlet tank.
7. multi-channel gas flow mixing device according to claim 1, it is characterized in that, it also includes heating module, radiating module, temperature conditioning unit and heater incubator, described heating module, heat radiation template and described temperature conditioning unit are fixed on the described installing plate, and described heater incubator is surrounded on the periphery of described installing plate.
8. multi-channel gas flow mixing device according to claim 1 is characterized in that, it includes the filtration unit that two series connection are communicated with.
9. multi-channel gas flow mixing device according to claim 1 is characterized in that, described air inlet branch road, described twin-stage gas mixing device are that described filtration unit is anti-corrosion material and makes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220213778 CN202661321U (en) | 2012-05-14 | 2012-05-14 | Multi-channel gas mixed flow device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220213778 CN202661321U (en) | 2012-05-14 | 2012-05-14 | Multi-channel gas mixed flow device |
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| CN202661321U true CN202661321U (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220213778 Withdrawn - After Issue CN202661321U (en) | 2012-05-14 | 2012-05-14 | Multi-channel gas mixed flow device |
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| CN (1) | CN202661321U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798564A (en) * | 2012-05-14 | 2012-11-28 | 广东电网公司电力科学研究院 | Multi-channel gas mixed flow device |
| CN114778613A (en) * | 2022-04-15 | 2022-07-22 | 四川大学 | Evaluation system for MEMS gas sensor |
-
2012
- 2012-05-14 CN CN 201220213778 patent/CN202661321U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798564A (en) * | 2012-05-14 | 2012-11-28 | 广东电网公司电力科学研究院 | Multi-channel gas mixed flow device |
| CN102798564B (en) * | 2012-05-14 | 2015-06-24 | 广东电网公司电力科学研究院 | Multi-channel gas mixed flow device |
| CN114778613A (en) * | 2022-04-15 | 2022-07-22 | 四川大学 | Evaluation system for MEMS gas sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130109 Effective date of abandoning: 20150624 |
|
| RGAV | Abandon patent right to avoid regrant |