CN205262840U - Gas analysis preprocessing device - Google Patents
Gas analysis preprocessing device Download PDFInfo
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- CN205262840U CN205262840U CN201520845707.2U CN201520845707U CN205262840U CN 205262840 U CN205262840 U CN 205262840U CN 201520845707 U CN201520845707 U CN 201520845707U CN 205262840 U CN205262840 U CN 205262840U
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Abstract
The utility model belongs to gaseous detection area, in particular to gas analysis preprocessing device, including air pump, solenoid electric valve, air intlet, sample gas import, sample gas export, waste outlet, characterized by are provided with level filtering stove, second grade filtration stove, the import of blowback nitrogen gas. The inside of its level filtering stove, second grade filtration stove is provided with exotic material's porous geometry filter core to get into by solenoid electric valve control sample gas, air and nitrogen gas. Level filtering stove, second grade filtration stove can replace work simultaneously. The utility model discloses no secondary pollution, safety ring protect, simple structure, and convenient to use can dispose industry gasification tar and ash completely and fly the granule, has good guarantee to improving the stable of coal / living beings gasification body detecting instrument and life -span.
Description
Technical field
The utility model belongs to field of gas detection, particularly a kind of gas analysis pretreatment unit.
Background technology
The sustainable use steady in a long-term of the energy is most important strategic tasks, in recent years a state of countryFamily advocates energetically new energy development and utilization, formulates new forms of energy strategy, and coal/biomass gasification technology is onePlant the new energy use technology that solid fuel is converted to fuel gas, the combustible gas after conversion need be through gasBody detector monitors and analyzes it, but coal/biomass gasification technology is producing fuel gasCan produce tar and fly ash granule simultaneously, in gas analyzer monitoring, analyzing detected sample gas,Tar and fly ash granule also can access arrangement inside, contaminated equipment probe, affects the precision of equipment, growTime also can damage equipment, affects the safe and stable operation of equipment. Along with applying of stalk technology,Technology and the method for removing tar technology are more and more, mainly comprise that active carbon etc. is with simple and easy pretreatment meritThe gas analysis system of energy, main sweep-out method is in the time that sample gas passes through adsorption system, wherein passing throughTar stick on filtrate, its shortcoming is the use through certain hour, tar can get more and more,Can affect the precision of checkout equipment, when tar content runs up to while acquiring a certain degree, gas analysis systemWill break down, cisco unity malfunction. Therefore, need often to change filtrate, utilize the method to removeTar can be removed part tar, but poor effect can cause measuring accuracy poor, poor stability,And cost of idleness. Also having in addition a kind of physics tar removing method is washing tar removing system, and it is mainMethod is to contain tar and the grey sample gas flying from water tank process, to utilize the inertia of water droplet and particle to touchHit tar and ash are flown to spin off from sample gas, mainly utilize the water of suitable air velocity, appropriatenessThe mode of amount and water spray, also needs to configure in addition wastewater treatment equipment, utilizes this washing tar removing systemCan remove a certain amount of tar, but effect is bad, purifies not thorough; Major defect is can wasteA large amount of water resources, tar removing waste water can cause secondary pollution, and a large amount of tar does not have essential meaningBe removed, cause energy waste, and tar removing poor effect.
Utility model content
The utility model, for the problems referred to above, provides a kind of and can remove tar and the grey dress that flies particle completelyPut.
The utility model is achieved through the following technical solutions:
A kind of gas analysis pretreatment unit, comprises single filter stove and cascade filtration stove; Blowback nitrogenImport, air intlet, the import of sample gas are by some triple valves and solenoid electric valve and single filter stoveBe communicated with; Blowback nitrogen inlet, air intlet, the import of sample gas are also by some triple valves and electromagnetic controlValve processed is communicated with cascade filtration stove; The outlet of sample gas is by triple valve and solenoid electric valve and single filterStove is communicated with; Single filter stove and cascade filtration stove are communicated with blowdown outlet by solenoid electric valve respectively.
At above-mentioned a kind of gas analysis pretreatment unit, described single filter stove and cascade filtration stoveInside is provided with the filter core of exotic material, and by solenoid electric valve control sample gas, air and nitrogenGas enters.
At above-mentioned a kind of gas analysis pretreatment unit, in described single filter stove and cascade filtration stoveThe tar removing heating-up temperature scope of portion is 500-800 DEG C, utilizes electrically heated mode to heat to heating furnace.
At above-mentioned a kind of gas analysis pretreatment unit, single filter stove and cascade filtration stove filter core materialMaterial is formed through high temperature sintering by several mixtures, and mixture comprises: 30-70% particles of aggregates; 5-60%Bonding agent; 5-40% pore former; 5-10% rare earth resist.
At above-mentioned a kind of gas analysis pretreatment unit, its filtration stove and cascade filtration stove filter core are by manyPlant mixture and form through high temperature sintering, mixture preferably comprises 30-50% particles of aggregates; 10-30% bonding agent; 10-20 pore former, and maximum 10% rare earth resist.
Therefore, the utility model non-secondary pollution, safety and environmental protection, simple in structure, easy to use, can be completeAll clear is removed industrial gasification tar and ash flies particle. To improving detection stability and the longevity of gas detecting instrumentLife has good guarantee.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation that the utility model filters stove.
Detailed description of the invention
Below in conjunction with case, the utility model is described in detail:
In figure, filter core 1, No. two filter cores 2, single filter stove 3, cascade filtration stove 4, blowbackNitrogen inlet 5, air intlet 6, sample gas import 7, sample gas outlet 8, blowdown outlet 9, number oneTriple valve 10, No. second triple valve 11, No. three triple valve 12, solenoid electric valve 13-22, filter core23, tar 24, air pump 25.
Case 1: 6 groups of the lower gasification of biomass of test environment humiture (26.5 DEG C, humidity 80.6RH)The contrast of point tar removing filter analysis system test data, in table one:
Environment temperature is set to: 26.5 DEG C, humidity 80.6RH, passes into sample gas, and sample gas bag is containing 6 groupsDivide gas, carry out secondary contrast test by contrasting three groups of different tar removing gas analysis systems, fromIn test data, find: the error of indication of a kind of gas analysis pretreatment unit of the utility model and methodValue scope is between 0-0.6, and significantly the utility model is than the gas analysis with simple and easy preprocessing functionThe measuring accuracy of system and tar removing gas analysis system to be washed is high, detects discovery by on-the-spot test,The system maintenance cycle of the present utility model is 67 days, and obvious service life of the present utility model is than otherTwo kinds of systems longer.
Case 2: lower gasification of biomass 6 components of test environment humiture (28 DEG C, humidity 84RH) are removedTar filter analysis system test data contrast, in table two:
Environment temperature is set to: 28 DEG C, humidity 84RH, passes into sample gas, and sample gas bag is containing 6 component gasBody, carries out secondary contrast test by contrasting three groups of different tar removing gas analysis systems, from testIn data, find: the error of indication value model of a kind of gas analysis pretreatment unit of the utility model and methodBe trapped among between 0-0.96, significantly the utility model is than the gas analysis system with simple and easy preprocessing functionThe measuring accuracy of system and tar removing gas analysis system to be washed is high, detects discovery by on-the-spot test,The system maintenance cycle of the present utility model is 82 days, and obvious service life of the present utility model is than otherTwo kinds of systems longer.
Case 3: lower gasification of biomass 6 components of test environment humiture (10 DEG C, humidity 60RH) are removedTar filter analysis system test data contrast, in table one:
Environment temperature is set to: 10 DEG C, humidity 60RH, passes into sample gas, and sample gas bag is containing 6 component gasBody, carries out secondary contrast test by contrasting three groups of different tar removing gas analysis systems, from testIn data, find: the error of indication value model of a kind of gas analysis pretreatment unit of the utility model and methodBe trapped among between 0-0.45, significantly the utility model is than the gas analysis system with simple and easy preprocessing functionThe measuring accuracy of system and tar removing gas analysis system to be washed is high, detects discovery by on-the-spot test,The system maintenance cycle of the present utility model is 57 days, and obvious service life of the present utility model is than otherTwo kinds of systems longer.
Claims (3)
1. a gas analysis pretreatment unit, is characterized in that, comprises single filter stove and cascade filtration stove; Blowback nitrogen inlet, air intlet, the import of sample gas are communicated with single filter stove by some triple valves and solenoid electric valve; Blowback nitrogen inlet, air intlet, the import of sample gas are also communicated with cascade filtration stove by some triple valves and solenoid electric valve; The outlet of sample gas is communicated with single filter stove by triple valve and solenoid electric valve; Single filter stove and cascade filtration stove are communicated with blowdown outlet by solenoid electric valve respectively.
2. a kind of gas analysis pretreatment unit according to claim 1, is characterized in that, the inside of described single filter stove and cascade filtration stove is provided with the filter core of exotic material, and is entered by solenoid electric valve control sample gas, air and nitrogen.
3. a kind of gas analysis pretreatment unit according to claim 1, is characterized in that, the tar removing heating-up temperature scope of described single filter stove and cascade filtration furnace interior is 500-800 DEG C, utilizes electrically heated mode to heat to heating furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520845707.2U CN205262840U (en) | 2015-10-28 | 2015-10-28 | Gas analysis preprocessing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520845707.2U CN205262840U (en) | 2015-10-28 | 2015-10-28 | Gas analysis preprocessing device |
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| Publication Number | Publication Date |
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| CN205262840U true CN205262840U (en) | 2016-05-25 |
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| CN201520845707.2U Active CN205262840U (en) | 2015-10-28 | 2015-10-28 | Gas analysis preprocessing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241729A (en) * | 2015-10-28 | 2016-01-13 | 武汉四方光电科技有限公司 | Device and method for gas analysis pretreatment |
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- 2015-10-28 CN CN201520845707.2U patent/CN205262840U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241729A (en) * | 2015-10-28 | 2016-01-13 | 武汉四方光电科技有限公司 | Device and method for gas analysis pretreatment |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430205, No. three, No. 3, Fenghuang garden, Phoenix Industrial Park, East Lake New Technology Development Zone, Hubei, Wuhan Patentee after: Sifang Optoelectronic Co., Ltd. Address before: 430205, No. three, No. 3, Fenghuang garden, Phoenix Industrial Park, East Lake New Technology Development Zone, Hubei, Wuhan Patentee before: Wuhan Cubic Optoelectronics Co., Ltd. |