CN106198894A - Gas analyser dehumidifying impurity removed system under a kind of micro-positive tiny structure operating mode - Google Patents

Abstract

Gas analyser dehumidifying impurity removed system under a kind of micro-positive tiny structure operating mode, relate to a kind of gas analyser dehumidifying impurity removed system, gas analyser (1), spinner flowmeter A(3), spinner flowmeter B(4), air vacuum filter A(5), ejector pump (6), filter A(8), instrument wind entrance (9), air vacuum filter B(11), filter B (12), gas medium entrance (14), revolve cold instrument (16), arrange in addition to water pot (17), gas medium between mouth (18) and waste liquid port (21) and rationally connect；The present invention realizes double-filtration by filter B, filter A and removes particulate matter a small amount of in gas; overcome tiny structure or pressure-fired cannot sample or problem that circulating load is too low come by ejector pump; for ensureing the safety of operating personnel; blowback is increased, it is achieved that the purpose of protection operating personnel safety to greatest extent in the porch revolving cold instrument.

Description

Gas analyser dehumidifying impurity removed system under a kind of micro-positive tiny structure operating mode

[technical field]

The present invention relates to a kind of gas analyser dehumidifying impurity removed system, especially relate to gas under a kind of micro-positive tiny structure operating mode and divide Analyzer dehumidifying impurity removed system.

[background technology]

For some type of gas analyser, in gas medium containing particulate contaminant, aqueous or humidity is too high all can Gas analyser is caused permanent damage, or becomes the principal element affecting measurement result；Gas medium is being sent into Before gas analyser, need to eliminate this some effects factor；To the gas that some pressure are pressure-fired or tiny structure Pressure medium, needs to take out gas medium from pipeline or container to measure, in order to can normally measure, or reduces The hysteresis quality measured.

[summary of the invention]

In order to overcome the deficiency in background technology, gas analyser dehumidifying remove impurity under the open a kind of micro-positive tiny structure operating mode of the present invention System, comes except water by a hydrops tank, revolves cold instrument and dehumidifies, and the final dew point value ensureing gas is less than ambient temperature 5-8 DEG C, Realize double-filtration by filter B, filter A and remove particulate matter a small amount of in gas, it is ensured that the particulate matter in gas straight Footpath is not more than 2um, and to cannot sampling of coming or circulating load is too low asks to overcome tiny structure or pressure-fired by ejector pump Topic, it is ensured that the circulating load of gas is not less than 60ml/min, for ensureing the safety of operating personnel, increases anti-in the porch revolving cold instrument Blow, it is achieved that the purpose of protection operating personnel safety to greatest extent.

In order to realize described goal of the invention, the present invention adopts the following technical scheme that

Gas analyser dehumidifying impurity removed system under a kind of micro-positive tiny structure operating mode, including gas analyser, spinner flowmeter A, turns Subflow gauge B, air vacuum filter A, ejector pump, filter A, instrument wind entrance, air vacuum filter B, filter B, Gas medium entrance, revolving cold instrument, arrange mouth and waste liquid port in addition to water pot, gas medium, one end of described gas medium entrance connects Except the entrance of water pot, the described entrance connecting filter B except the outlet of water pot, the outlet of described filter B connects revolves cold instrument Entrance, instrument wind entrance, the entrance of air vacuum filter A and the entrance of air vacuum filter B, the outlet of the cold instrument of described rotation Connecting the entrance of filter A, the outlet of described air vacuum filter B connects the refrigeration unit entrance revolving cold instrument, described air The outlet of vacuum filter A connects the entrance of ejector pump, and the outlet of described filter A connects one end of spinner flowmeter B, described The other end of spinner flowmeter B connects the entrance of gas analyser, and the sewage draining exit of described filter A connects spinner flowmeter A's One end, the other end of described spinner flowmeter A connects outlet and another entrance of ejector pump, the described injection of gas analyser Delivery side of pump connects arranges mouth outside gas medium, the cold instrument of described rotation and the sewage draining exit except water pot connect waste liquid port respectively.

Gas analyser dehumidifying impurity removed system under described micro-positive tiny structure operating mode, at gas analyser and ejector pump entrance Between passage be provided with check valve B, the passage between spinner flowmeter A and ejector pump entrance is provided with check valve A.

Gas analyser dehumidifying impurity removed system under described micro-positive tiny structure operating mode, at gas medium entrance with except water pot Passage between entrance is provided with valve B, and the passage between instrument wind entrance and the outlet of filter B is provided with valve A, The passage revolved between entrance and the outlet of filter B of cold instrument is provided with valve C, between sewage draining exit and the waste liquid port revolving cold instrument Passage be provided with valve D, except being provided with valve E on the passage between sewage draining exit and the waste liquid port of water pot.

Owing to have employed technique scheme, there is advantages that

Under micro-positive tiny structure operating mode of the present invention, gas analyser dehumidifying impurity removed system, comes except water by a hydrops tank, Revolving cold instrument to dehumidify, the final dew point value ensureing gas is less than ambient temperature 5-8 DEG C, realizes two by filter B, filter A Level is removed by filtration particulate matter a small amount of in gas, it is ensured that the diameter of the particulate matter in gas is not more than 2um, by next gram of ejector pump Take tiny structure or pressure-fired cannot sample or problem that circulating load is too low come, it is ensured that the circulating load of gas is not less than 60ml/min, for ensureing the safety of operating personnel, increases blowback in the porch revolving cold instrument, it is achieved that protect work to greatest extent The purpose of industry personal security；The present invention have reasonable in design, technique is unique, energy-saving and cost-reducing, the beneficial effect of environmental protection.

[accompanying drawing explanation]

Fig. 1 is the structural representation of the present invention；

In figure: 1, gas analyser；2, check valve A；3, spinner flowmeter A；4, spinner flowmeter B；5, air vacuum filter A；6, ejector pump；7, check valve B；8, filter A；9, instrument wind entrance；10, valve A；11, air vacuum filter B；12, mistake Filter B；13, valve B；14, gas medium entrance；15, valve C；16, cold instrument is revolved；17, except water pot；18, arrange outside gas medium Mouthful；19, valve D；20, valve E；21, waste liquid port.

[detailed description of the invention]

The present invention can be explained in more detail by the following examples, the invention is not limited in the following examples, open The purpose of the present invention is intended to all changes and improvements in the protection scope of the invention；

In conjunction with gas analyser dehumidifying impurity removed system under the micro-positive tiny structure operating mode described in accompanying drawing 1, including gas analyser 1, turn Subflow gauge A3, spinner flowmeter B4, air vacuum filter A5, ejector pump 6, filter A8, instrument wind entrance 9, air subtract Press through filter B11, filter B 12, gas medium entrance 14, revolve cold instrument 16, in addition to water pot 17, gas medium, arrange mouth 18 and waste liquid Mouth 21, one end of described gas medium entrance 14 connects the entrance except water pot 17, and the described outlet except water pot 17 connects filter The entrance of B12, the outlet of described filter B 12 connects the rotation entrance of cold instrument 16, instrument wind entrance 9, air vacuum filter A5 Entrance and the entrance of air vacuum filter B11, the cold instrument of described rotation 16 outlet connect filter A8 entrance, described air The outlet of vacuum filter B11 connects the refrigeration unit entrance revolving cold instrument 16, and the outlet of described air vacuum filter A5 connects The entrance of ejector pump 6, the outlet of described filter A8 connects one end of spinner flowmeter B4, another of described spinner flowmeter B4 End connects the entrance of gas analyser 1, and the sewage draining exit of described filter A8 connects one end of spinner flowmeter A3, described rotor stream The other end of gauge A3 connects outlet and another entrance of ejector pump 6 of gas analyser 1, and the outlet of described ejector pump 6 is even Connect row's mouth 18 outside gas medium, the cold instrument of described rotation 16 and the sewage draining exit except water pot 17 and connect waste liquid port 21 respectively, in gas analysis Passage between instrument 1 and ejector pump 6 entrance is provided with check valve B7, leading between spinner flowmeter A3 and ejector pump 6 entrance Road is provided with check valve A2, and the passage between gas medium entrance 14 and the entrance except water pot 17 is provided with valve B13, at instrument Passage between table wind entrance 9 and the outlet of filter B 12 is provided with valve A10, is revolving entrance and the filter B 12 of cold instrument 16 Outlet between passage be provided with valve C15, revolve cold instrument 16 sewage draining exit and waste liquid port 21 between passage on be provided with valve Door D19, except being provided with valve E20 on the passage between sewage draining exit and the waste liquid port 21 of water pot 17.

Implement under micro-positive tiny structure operating mode of the present invention gas analyser dehumidifying impurity removed system:

When normally using, open ball valve B13, ball valve C15, close ball valve A10, ball valve D19, ball valve E20, now gas medium Entered except water pot 17 by ball valve B13, except water pot 17 comes except water according to the settleability of different densities material；Gas medium enters afterwards Filter B 12 carries out primary remove impurity, carries out dehumidifying that (instrument wind 9 does through air vacuum filter B11 subsequently into revolving cold instrument 16 For revolving cold instrument refrigeration unit power, enter and revolve cold instrument 16) go dehumidification function mainly to reduce dew point value by reduction medium temperature Dehumidify；The filter A8 of gas medium entrance afterwards carries out second level filtration, and now gas is divided into two-way, and a road is from filter A8 Outlet controls flow by spinner flowmeter B4 the most afterwards and enters gas analyser 1, exports out from gas analyser 1 after having measured Coming, from the sewage draining exit of filter B 8 through rotor subflow gauge A3 and check valve A2 out, now tow channel gas is combined into again one on a road Road, injected pump 6 is sent into row's mouth 18 outside gas medium, is emitted into low-pressure line or emptying, spinner flowmeter B4 and rotor stream Gauge A3 cooperates work, allows into the gas flow of gas analyser 1 and circulating load at a suitable scope, check valve A2 Prevent low-pressure line gas from playing a reversed role with check valve B7, be that poisonous and hazardous occasion plays safing effect at dielectric gas；

During operation when normal use on the basis of close ball valve C15, open ball valve A10 pipeline and purge, when purging one section Close ball valve A10 and ball valve B13 after between, then carry out operation, after operation, then open ball valve B13 and ball valve C15 and carry out extensive Multiple；

Except water pot 17 with revolve cold instrument 16 and work and have hydrops after a period of time, need periodically to discharge, now normally make Closing ball valve B13 on the basis of used time, open ball valve D19 respectively, ball valve E20 discharges, discharge closes ball valve after terminating D19, ball valve E20, open ball valve 13 and recover.

Part not in the detailed description of the invention is prior art.

Claims (3)

1. a gas analyser dehumidifying impurity removed system under micro-positive tiny structure operating mode, including gas analyser (1), spinner flowmeter A(3), spinner flowmeter B(4), air vacuum filter A(5), ejector pump (6), filter A(8), instrument wind entrance (9), empty Gas vacuum filter B(11), filter B (12), gas medium entrance (14), revolve cold instrument (16), except water pot (17), gas medium Outer row's mouth (18) and waste liquid port (21), is characterized in that: one end of described gas medium entrance (14) connects entering except water pot (17) Mouthful, the described outlet except water pot (17) connects the entrance of filter B (12), and the outlet of described filter B (12) connects revolves cold instrument (16) entrance, instrument wind entrance (9), air vacuum filter A(5) entrance and air vacuum filter B(11) entrance, The outlet of the cold instrument of described rotation (16) connects filter A(8) entrance, described air vacuum filter B(11) outlet connect rotation The refrigeration unit entrance of cold instrument (16), described air vacuum filter A(5) outlet connect the entrance of ejector pump (6), described mistake Filter A(8) outlet connect spinner flowmeter B(4) one end, described spinner flowmeter B(4) the other end connect gas analysis The entrance of instrument (1), described filter A(8) sewage draining exit connect spinner flowmeter A(3) one end, described spinner flowmeter A(3) The other end connect outlet and another entrance of ejector pump (6) of gas analyser (1), the outlet of described ejector pump (6) is even Connecing and arrange mouth (18) outside gas medium, the cold instrument of described rotation (16) and the sewage draining exit except water pot (17) connect waste liquid port (21) respectively.

Under micro-positive tiny structure operating mode the most according to claim 1, gas analyser dehumidifying impurity removed system, is characterized in that: at gas Passage between body analyser (1) and ejector pump (6) entrance is provided with check valve B(7), at spinner flowmeter A(3) and ejector pump (6) passage between entrance is provided with check valve A(2).

Under micro-positive tiny structure operating mode the most according to claim 1, gas analyser dehumidifying impurity removed system, is characterized in that: at gas Passage between body medium inlet (14) and the entrance removing water pot (17) is provided with valve B(13), in instrument wind entrance (9) and mistake Filter B(12) outlet between passage be provided with valve A(10), revolving entrance and the going out of filter B (12) of cold instrument (16) Passage between Kou is provided with valve C(15), the passage between sewage draining exit and the waste liquid port (21) revolving cold instrument (16) is provided with Valve D(19), except being provided with valve E(20 on the passage between sewage draining exit and the waste liquid port (21) of water pot (17)).