CN205991973U - 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, is related 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）, remove water pot（17）, arrange mouth outside gas medium（18）And waste liquid port（21）Between rationally connect；This utility model is realized double-filtration by filter B, filter A and is removed a small amount of particulate matter in gas; overcome tiny structure or pressure-fired cannot sample or problem that circulating load is too low to come by ejector pump; for ensureing the safety of operating personnel; increase blowback in the porch revolving cold instrument it is achieved that protecting the purpose of operating personnel's safety to greatest extent.

Description

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

【Technical field】

This utility model is related to a kind of gas analyser dehumidifying impurity removed system, especially relates to a kind of micro- positive tiny structure operating mode Lower gas analyser dehumidifying impurity removed system.

【Background technology】

For some type of gas analyser, contain particulate contaminant, aqueous or humidity in gas medium too high Gas analyser will be caused with permanent damage, or the principal element becoming impact measurement result；By gas medium Before sending into gas analyser, need to eliminate this some effects factor；It is pressure-fired or tiny structure to some pressure Gas medium pressure, needs to take out gas medium from pipeline or container and measures, normally to measure, or Reduce the hysteresis quality of measurement.

【Content of the invention】

In order to overcome the shortcomings of in background technology, gas analyser under a kind of open micro- positive tiny structure operating mode of this utility model Dehumidifying impurity removed system, by a hydrops tank come eliminating water, revolves cold instrument to dehumidify, and the final dew point value ensureing gas is less than environment temperature Degree 5-8 DEG C, by filter B, filter A realize double-filtration remove a small amount of particulate matter in gas it is ensured that in gas The diameter of grain thing is not more than 2um, overcomes tiny structure or pressure-fired cannot sample or circulating load to come by ejector pump Too low problem it is ensured that the circulating load of gas is not less than 60ml/min, for ensure operating personnel safety, revolve cold instrument entrance Place increases blowback it is achieved that protecting the purpose of operating personnel's safety to greatest extent.

In order to realize described goal of the invention, this utility model 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, spinner flowmeter B, air vacuum filter A, ejector pump, filter A, instrument wind entrance, air vacuum filter B, filtration Device B, gas medium entrance, the cold instrument of rotation, row's mouth and waste liquid port, one end of described gas medium entrance in addition to water pot, gas medium Connect the entrance except water pot, the described outlet except water pot connects the entrance of filter B, the outlet connection rotation of described filter B is cold The entrance of instrument, the entrance of instrument wind entrance, the entrance of air vacuum filter A and air vacuum filter B, the cold instrument of described rotation Outlet connects the entrance of filter A, and the outlet of described air vacuum filter B connects the refrigeration unit entrance revolving cold instrument, described The outlet of air vacuum filter A connects the entrance of ejector pump, and the outlet of described filter A connects one end of spinner flowmeter B, The other end of described spinner flowmeter B connects the entrance of gas analyser, and the sewage draining exit of described filter A connects spinner flowmeter One end of A, the other end of described spinner flowmeter A connects the outlet of gas analyser and another entrance of ejector pump, described The outlet of ejector 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, in gas analyser and injection pump intake Between passage be provided with check valve B, spinner flowmeter A and injection pump intake between passage on be provided with check valve A.

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

Due to employing technique scheme, this utility model has the advantages that：

Gas analyser dehumidifying impurity removed system under micro- positive tiny structure operating mode described in the utility model, by a hydrops tank Carry out eliminating water, revolve cold instrument to dehumidify, the final dew point value ensureing gas is less than ambient temperature 5-8 DEG C, by filter B, filter A Realize double-filtration and remove a small amount of particulate matter in gas it is ensured that the diameter of particulate matter in gas is not more than 2um, by injection Pump come to overcome tiny structure or pressure-fired to cannot sampling of coming or problem that circulating load is too low it is ensured that the circulating load of gas not Less than 60ml/min, for ensureing the safety of operating personnel, increase blowback it is achieved that protecting to greatest extent in the porch revolving cold instrument The purpose of shield operating personnel's safety；This utility model has that reasonable in design, technique is unique, energy-saving, environmental protection beneficial Effect.

【Brief description】

Fig. 1 is structural representation of the present utility model；

In figure：1st, gas analyser；2nd, check valve A；3rd, spinner flowmeter A；4th, spinner flowmeter B；5th, air reduced pressure Filter A；6th, ejector pump；7th, check valve B；8th, filter A；9th, instrument wind entrance；10th, valve A；11st, air vacuum filter B； 12nd, filter B；13rd, valve B；14th, gas medium entrance；15th, valve C；16th, revolve cold instrument；17th, remove water pot；18th, gas medium Outer row's mouth；19th, valve D；20th, valve E；21st, waste liquid port.

【Specific embodiment】

This utility model can be explained in more detail by the following examples, this utility model is not limited to following Embodiment, open the purpose of this utility model is intended to protect all changes and improvements in the range of this utility model；

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 1st, spinner flowmeter A3, spinner flowmeter B4, air vacuum filter A5, ejector pump 6, filter A8, instrument wind entrance 9, sky Gas vacuum filter B11, filter B 12, gas medium entrance 14, the cold instrument 16 of rotation, row mouth 18 and in addition to water pot 17, gas medium Waste liquid port 21, one end of described gas medium entrance 14 connects the entrance except water pot 17, and the described outlet except water pot 17 connected The entrance of filter B12, the outlet of described filter B 12 connects the entrance of the cold instrument 16 of rotation, instrument wind entrance 9, air filtration under diminished pressure The entrance of device A5 and the entrance of air vacuum filter B11, the outlet of the cold instrument 16 of described rotation connects the entrance of filter A8, described The outlet of air vacuum filter B11 connects the refrigeration unit entrance revolving cold instrument 16, the outlet of described air vacuum filter A5 Connect the entrance of ejector pump 6, the outlet of described filter A8 connects one end of spinner flowmeter B4, described spinner flowmeter B4's The entrance of other end connection gas analyser 1, one end of the sewage draining exit connection spinner flowmeter A3 of described filter A8, described turn The other end of subflow gauge A3 connects the outlet of gas analyser 1 and another entrance of ejector pump 6, the going out of described ejector pump 6 Mouth connects arranges mouth 18 outside gas medium, the cold instrument 16 of described rotation and the sewage draining exit except water pot 17 connect waste liquid port 21, respectively in gas Passage between analyser 1 and ejector pump 6 entrance is provided with check valve B7, between spinner flowmeter A3 and ejector pump 6 entrance Passage be provided with check valve A2, gas medium entrance 14 and except water pot 17 entrance between passage on be provided with valve B13, Passage between instrument wind entrance 9 and the outlet of filter B 12 is provided with valve A10, in the entrance revolving cold instrument 16 and filtration Passage between the outlet of device B12 is provided with valve C15, sets on the passage between the sewage draining exit revolving cold instrument 16 and waste liquid port 21 There is valve D19, the passage between the sewage draining exit except water pot 17 and waste liquid port 21 is provided with valve E20.

Implement gas analyser dehumidifying impurity removed system under micro- positive tiny structure operating mode described in the utility model：

In normal use, open ball valve B13, ball valve C15, close ball valve A10, ball valve D19, ball valve E20, now gas Medium is entered by ball valve B13 and removes water pot 17, except water pot 17 according to the settleability of different densities material come eliminating water；Gas medium afterwards Enter filter B 12 and carry out primary remove impurity, dehumidified subsequently into revolving cold instrument 16（Instrument wind 9 is through air vacuum filter B11, as revolving cold instrument refrigeration unit power, enters and revolves cold instrument 16）Dehumidification function is gone mainly to reduce dew by reducing medium temperature Point value is dehumidifying；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 filtration Device A8 exports out and controls flow to enter gas analyser 1 by spinner flowmeter B4 afterwards, goes out from gas analyser 1 after having measured Mouthful out, from the sewage draining exit of filter B 8 through rotor subflow gauge A3 and check valve A2 out, now tow channel gas close again on a road For a road, injected pump 6 is sent into and is arranged mouth 18 outside gas medium, is emitted into low-pressure line or emptying, spinner flowmeter B4 and turning Subflow gauge A3 cooperates work, allows into the gas flow of gas analyser 1 and circulating load in a suitable scope, unidirectional Valve A2 and check valve B7 prevents low-pressure line gas from playing a reversed role, and plays safing work in dielectric gas for poisonous and hazardous occasion With；

During operation in normal use on the basis of close ball valve C15, open ball valve A10 pipeline and purged, purge one Close ball valve A10 and ball valve B13 after the section time, then carry out operation, after operation finishes, then open ball valve B13 and ball valve C15 and enter Row recovers；

Have hydrops except water pot 17 with after rotation cold instrument 16 work a period of time, need periodically to be discharged, now just Close ball valve B13 on the basis of when often using, open ball valve D19 respectively, ball valve E20 is discharged, discharge closes ball after terminating Valve D19, ball valve E20, open ball valve 13 and are recovered.

The non-detailed portion of this utility model is prior art.

Claims (3)

1. gas analyser dehumidifying impurity removed system under a kind of 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）, remove water pot（17）, gas medium Outer row's mouth（18）And waste liquid port（21）, it is characterized in that：Described gas medium entrance（14）One end connect remove water pot（17）Enter Mouthful, described except water pot（17）Outlet connect filter B（12）Entrance, described filter B（12）Outlet connect revolve cold instrument （16）Entrance, instrument wind entrance（9）, air vacuum filter A（5）Entrance and air vacuum filter B（11）Entrance, The cold instrument of described rotation（16）Outlet connect filter A（8）Entrance, described air vacuum filter B（11）Outlet connect rotation Cold instrument（16）Refrigeration unit entrance, described air vacuum filter A（5）Outlet connect ejector pump（6）Entrance, described mistake Filter A（8）Outlet connect spinner flowmeter B（4）One end, described spinner flowmeter B（4）The other end connect gas analyses Instrument（1）Entrance, described filter A（8）Sewage draining exit connect spinner flowmeter A（3）One end, described spinner flowmeter A（3） The other end connect gas analyser（1）Outlet and ejector pump（6）Another entrance, described ejector pump（6）Outlet even Connect and outside gas medium, arrange mouth（18）, the cold instrument of described rotation（16）With except water pot（17）Sewage draining exit connect waste liquid port respectively（21）.

2. gas analyser dehumidifying impurity removed system under micro- positive tiny structure operating mode according to claim 1, is characterized in that：In gas Body analyser（1）And ejector pump（6）Passage between entrance is provided with check valve B（7）, in spinner flowmeter A（3）And ejector pump （6）Passage between entrance is provided with check valve A（2）.

3. gas analyser dehumidifying impurity removed system under micro- positive tiny structure operating mode according to claim 1, is characterized in that：In gas Body medium inlet（14）With except water pot（17）Entrance between passage be 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 cold instrument（16）Entrance and filter B（12）Go out Passage between mouthful is provided with valve C（15）, revolving cold instrument（16）Sewage draining exit and waste liquid port（21）Between passage be provided with Valve D（19）, except water pot（17）Sewage draining exit and waste liquid port（21）Between passage be provided with valve E（20）.