CN206074327U

CN206074327U - Compound air chamber gas dryer and the Apparatus for Dust Content in Stack containing which

Info

Publication number: CN206074327U
Application number: CN201621081421.2U
Authority: CN
Inventors: 阎毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-09-27
Filing date: 2016-09-27
Publication date: 2017-04-05
Anticipated expiration: 2026-09-27

Abstract

The utility model discloses a kind of compound air chamber gas dryer and the Apparatus for Dust Content in Stack containing which, the compound air chamber gas dryer constitutes multiple sealed gas chambers by multiple circular inflators, series connection air chamber is formed by air chamber UNICOM pipeline connection between each sealed gas chamber, the spacer cylinder that upper end is provided with whirlwind gathering sill is provided with each sealed gas chamber, first sealed gas chamber is provided with whirlwind air nozzle and condensation reflector constitutes cyclone reflective condensation eliminating water air chamber, second sealed gas chamber is desiccant-filled to form dehydration absorption air chamber, 3rd sealed gas chamber forms fine filtering air chamber. and this utility model is dried absorption techniqueses using combined multi-stage Cyclone Separation Technology and classification, realize the fine filtering efficiently separated with impurity of gas internal water, improve the cleannes of the drying effect and outlet of gas.

Description

Composite air chamber gas dryer and smoke dust tester containing same

Technical Field

The utility model belongs to the technical field of smoke and dust sampling equipment, particularly, relate to a compound air chamber gas dryer and contain its smoke and dust tester.

Background

When monitoring smoke and dust emission, often sneak into moisture in the sample gas that the smoke and dust tester gathered, this kind of sample gas with moisture if not effectively clear away before getting into the smoke and dust tester, then enter into the smoke and dust tester through the sampling pipeline, not only can cause the harm to equipment, more importantly can influence the accuracy of testing result. Therefore, in order to solve the problems, during on-site monitoring, the sampling systems are all provided with gas dryers, collected sample gas is dried firstly, and then the sample gas enters the smoke dust tester for monitoring, so that the accuracy of a measuring result is improved, and meanwhile, the damage to the instrument is reduced.

The existing gas dryer generally adopts a single air chamber structure, and the expected effect on the dehydration performance of sample gas is difficult to achieve; in addition, in order to ensure dehumidification efficiency, a vertical partition plate is generally added in the air chamber, and the partition plate is directly finished when the air chamber is formed or is bonded in the air chamber after the air chamber is formed, so that the complexity of a mold is increased by the partition plate, the processing complexity is increased by the partition plate, and gaps are easily formed between the air chambers to leak air, and therefore, the processing manufacturability of the single air chamber is poor.

SUMMERY OF THE UTILITY MODEL

The inventor of the utility model finds that it is difficult to reach the anticipated effect to the dewatering performance of appearance gas that the desicator of single air chamber is present because gas generally gets into from one side of air chamber baffle in the desicator of single air chamber structure, flows out at the opposite side of air chamber around quiet baffle, and this structure makes the flow circuit of air current in the desicator air chamber single. Therefore, due to the limitation of the current single air chamber structure, the expected dewatering and drying effects on the collected sample gas cannot be achieved.

In order to solve the problem that exists at present, the utility model provides a compound gas room gas dryer and contain its smoke and dust tester, this compound gas room gas dryer adopt compound multistage cyclone separation technique and stage drying absorption and meticulous filtration technique, and it is not high to have solved the drying efficiency who exists among the prior art, and the drying is incomplete and the relatively poor problem of manufacturability.

In order to achieve the above object, according to one aspect of the present invention, there is provided a composite air chamber gas dryer, comprising an air chamber upper cover plate, an air chamber lower cover plate, and a first side connecting plate and a second side connecting plate for connecting and fixing the upper and lower cover plates; an air inlet nozzle, an air outlet nozzle and an air chamber communicating pipeline are arranged in the upper cover plate of the air chamber; a plurality of circular air cylinders are arranged between the upper cover plate and the lower cover plate to divide the composite air chamber gas dryer into a plurality of closed air chambers; the plurality of closed air chambers are communicated through air chamber communication pipelines to form series air chambers. Wherein, be provided with the sleeve that separates in the sealed air chamber correspondingly, separate the upper portion of sleeve and all seted up the whirlwind guide way, constitute the compound air chamber of guide gas along the rotatory flow of sleeve inner wall that separates.

Further, the cyclone guide grooves are arranged in a straight line shape, or in a curved shape, or in a spiral shape in a circumferential tangential direction.

Preferably, the cyclone guide grooves are arranged in a spiral direction tangentially along the air chamber. Further preferably, the cross section of the cyclone guide groove is a half groove with a U-shaped structure; or a pilot hole or a pilot tube.

Further, the spacer sleeve comprises a straight sleeve and a disc-shaped protrusion located at the upper end of the straight sleeve, and the cyclone guide groove is arranged on the surface or inside of the disc-shaped protrusion. Preferably, 5-7 cyclone guide grooves are uniformly arranged on the disc-shaped bulge from the center to the periphery in sequence. Further preferably, 6 cyclone guide grooves are formed. Preferably, the spacer sleeve is integrally formed or is formed by movably connecting a straight sleeve and a disc-shaped bulge. Preferably, the diameter of the disc-shaped protrusion is larger than the diameter of the straight sleeve. Further preferably, the disc-shaped protrusion may have a circular truncated cone structure. In particular, the spacer sleeve may be of mushroom-like construction.

Further, the airtight gas chamber includes: the first closed air chamber is internally provided with a first separation sleeve; one end of the first separating sleeve, which is close to the upper cover plate of the air chamber, is provided with a cyclone air nozzle, and the cyclone air nozzle is communicated with the air inlet nozzle and is used for introducing air and cyclone; one end of the first separation sleeve, which is close to the lower cover plate of the air chamber, is sleeved with a condensation reflection cover; for reflection condensation water removal; a second sealed air chamber, in which a second sleeve is arranged for dehydration and absorption; and a third separation sleeve is arranged in the third closed air chamber and used for fine filtration.

Further, the second closed air chamber has a plurality of; and the plurality of second closed air chambers are connected in series and are communicated through a communication pipeline.

Furthermore, the inner side and the outer side of the second spacer sleeve are filled with dry silica gel. The outside that the third separates the sleeve is filled with dry silica gel, and inside is provided with the sintering filter core to realize gaseous secondary drying and meticulous filtration. Preferably, the sintered filter element is fixed below the inside of the third spacer sleeve through a filter element end cover; further preferably, the longitudinal section of the sintered filter element is of a U-shaped structure.

Further, the outer side of the first spacer sleeve is communicated with the outer side of the second spacer sleeve through an air chamber communication pipeline positioned in an air chamber upper cover plate. The inner side of the second spacer sleeve is communicated with the outer side of the third spacer sleeve through an air chamber communication pipeline in an air chamber upper cover plate.

Furthermore, the cyclone air nozzle is sleeved on the periphery of the air inlet nozzle at the inner end of the first closed air chamber; the surface of the cyclone air nozzle is provided with a groove for cyclone guidance. Preferably, the condensation reflecting cover is sleeved outside the first spacer sleeve; the condensation reflex housing is positioned at one end of the first separation sleeve close to the lower cover plate of the gas chamber. Preferably, a plurality of circular air cylinders constituting the airtight air chamber are arranged in a vertical juxtaposition; the bottom of the lower cover plate of the air chamber is provided with a sealing spiral cover corresponding to the plurality of circular air cylinders.

According to the utility model discloses an on the other hand still provides a smoke and dust tester, and it contains the gaseous desicator of the compound air chamber of any kind of above-mentioned.

The utility model has the advantages that:

the utility model discloses a gaseous desicator of compound air chamber comprises airtight air chamber by a plurality of circular inflator, forms the series connection air chamber through the UNICOM pipeline intercommunication that is located the air chamber upper cover plate between the airtight air chamber, is equipped with the sleeve that separates that the upper end has the whirlwind guide way in every airtight air chamber. Because the partition sleeve with the cyclone guide groove is arranged in the air chamber, the gas entering the air chamber rotates downwards or downwards (configured in different airflow directions according to different positions) in the air chamber under the guide of the cyclone guide groove, so that the gas in the air chamber rotates along the outer wall of the air chamber at the outer side of the partition sleeve, the contact between the gas in the air chamber and the outer wall of the air chamber is increased, and the heat dissipation effect is improved. The utility model discloses a set up whirlwind air nozzle and condensation bowl in the airtight air chamber be connected with the suction nozzle, constitute whirlwind reflection condensation dewatering air chamber, improved condensation efficiency greatly. The drying agent is filled in the middle air chamber to form a dehydration absorption air chamber, so that the contact area of the gas and the drying agent in the air chamber is increased, and the adsorption effect of the drying agent is improved. A fine filtering air chamber is formed by installing a drying agent and a sintering filter element in a spacer sleeve communicated with the outlet end.

The utility model discloses a compound multistage cyclone separation technique and stage drying absorption technique carry out reasonable water conservancy diversion through the streamline to gas in the gas dryer for the drier improves greatly with the contact rate of appearance gas in the gas dryer, has realized the meticulous filtration of effective separation of moisture and impurity in the appearance gas, has improved appearance gas drying effect and the cleanliness of giving vent to anger. In addition, the composite air chamber gas dryer is simple and reasonable in structure and good in manufacturability.

The utility model provides a compound air chamber gas dryer is a portable, the higher gas dryer of dehumidification efficiency, is particularly useful for during smoke and dust discharges environmental monitoring, like smoke and dust sampling dehydration drying device, can carry out drainage, drying and buffering to the sample gas more effectively. In addition, the function of removing moisture in the gas can be achieved in the gas transmission.

Drawings

Fig. 1 is a schematic structural diagram of the composite air chamber gas dryer of the present invention;

fig. 2 is a front cross-sectional view of the composite air chamber gas dryer of the present invention;

fig. 3 is a top cross-sectional view of the composite air chamber gas dryer of the present invention;

fig. 4 is a schematic structural diagram of the partition sleeve of the composite air chamber gas dryer of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1-4, in an exemplary embodiment of the present invention, a composite air chamber gas dryer includes an air chamber upper cover plate 1, an air chamber lower cover plate 2, and first and second side connection plates 20 and 21. Wherein, two side connecting plates are used for connecting and fixing the upper cover plate and the lower cover plate. A plurality of circular air cylinders 3, 4 and 5 are arranged between the upper cover plate and the lower cover plate and are combined and fixed through the upper cover plate, the lower cover plate and the side connecting plate. The air chamber upper cover plate 1, the air chamber lower cover plate 2 and the plurality of circular air cylinders 3, 4 and 5 are sealed through sealant.

As shown in fig. 2, an air inlet nozzle 9, an air outlet nozzle 10 and an air chamber communication pipeline D, E are arranged in the air chamber upper cover plate 1. The multiple circular gas cylinders 3, 4, 5 divide the composite air chamber gas dryer into multiple closed air chambers, such as the closed air chamber A, B, C. The plurality of closed air chambers can be communicated through an air chamber communication pipeline D, E in the air chamber upper cover plate 1 to form a series air chamber. Wherein, each airtight air chamber A, B, C is provided with a sleeve 6, 7, 8. The upper part of each sleeve 6, 7, 8 is provided with a cyclone guide groove F to form a composite air chamber for guiding air to flow along the inner walls of the sleeves 6, 7, 8 in a rotating manner. And a nozzle cap 13 is further arranged at one end of the air outlet nozzle 10 extending into the third closed air chamber C and used for closing the air outlet nozzle 10.

The utility model discloses a rational planning every spacer sleeve 6, 7, 8 gaseous flow state of cavity, at the inside spacer sleeve 6 that has set up the guide gas flow of air chamber by circular inflator 3, 4, 5 constitute, 7, 8 lead, and set up guide gas along circular inflator 3 on spacer sleeve 6, 7, 8, 5 tangential flow's whirlwind guide way F, the guide flows in and flows out the gaseous along spacer sleeve 6 respectively of cavity, 7, 8 core and circular inflator 3, 4, 5 inboard border rotatory flows, with the utilization ratio that improves the air chamber, make the dehumidification effect of desicator more effective.

In one embodiment of the present invention, the closed cells may include first, second and third closed cells A, B, C. The first closed air chamber A is communicated with the air inlet nozzle 9, and the third closed air chamber C is communicated with the air outlet nozzle 10.

The first sealed air chamber a is provided with a first sleeve 6. And a cyclone air nozzle 11 is arranged at one end of the first separating sleeve 6 close to the upper cover plate 1 of the air chamber and is used for accelerating and condensing the gas entering the air chamber. The cyclone air nozzle 11 is communicated with the air inlet nozzle 9, and preferably the cyclone air nozzle 11 is sleeved on the peripheral side of one end, extending into the first closed air chamber A, of the air inlet nozzle 9 and used for cyclone air inlet. The cyclone air nozzle 11 has the same principle as the cyclone guide F (see below in detail) except that the cyclone air nozzle 11 is disposed below the air inlet nozzle 11 located inside the first circular cylinder.

One pot head that is close to apron 2 under the air chamber on first separate sleeve 6 is equipped with condensation bowl 17 to be used for the reflection condensation dewatering, thereby effectively improve gaseous condensation efficiency. Therefore, the first closed gas chamber a is also called a cyclone reflection condensation dewatering gas chamber. The condensation reflection cover 17 is made of thin corrosion-resistant metal (stainless steel), gas entering the first closed air chamber A is blocked from directly entering the second closed air chamber B upwards under the first closed air chamber A, and meanwhile, after the gas is contacted with the condensation reflection cover 17, moisture in the spacer sleeve is enabled to be condensed under the heat conduction effect of the condensation reflection cover 17.

A second sleeve 7 is provided in the second closed air chamber B. The second sleeve 7 is filled with a desiccant for dehydration absorption, such as dry silica gel, on both the inside and outside. Since the filled desiccant is divided by the second partition sleeve 7, the contact area of the desiccant and the gas is increased, and faster dehydration absorption is facilitated. The desiccant can be filled and replaced by a sealing cap 19 at the bottom of the second sleeve 7. One or more second closed cells B may be provided. For example, a plurality of second closed cells B may be connected in series.

A third sleeve spacer 8 is provided in the third closed air chamber C. The outside of the third separating sleeve 8 is filled with dry silica gel, inside which a sintered filter element 14 is arranged to achieve secondary drying and fine filtration of the gas, hence also called fine filtration chamber. Similarly, the third sleeve spacer 8 is also provided with a cyclone guide groove F, so that the gas rotates along the wall of the third sleeve spacer 8 to enter a third closed gas chamber C, the gas is fully combined with the dry silica gel and then is finely filtered by a sintered filter element 14, and the filtered gas enters the core part of the third sleeve spacer 8 and is discharged through a gas outlet nozzle 10 on the upper cover plate 1 of the gas chamber.

In an exemplary embodiment of the present invention, the sintered filter element 14 is secured below the interior of the third spacer sleeve 8 by a filter element end cap 15. Preferably, the sintered filter element 14 is U-shaped in longitudinal section. Similarly, the desiccant and sintered cartridge 14 can be filled and replaced by a sealing cap 18 at the bottom of the third sleeve 8.

According to the present invention, the plurality of circular cylinders 3, 4, 5 constituting the airtight chamber A, B, C may be arranged in a vertical parallel manner. Preferably, sealing screw caps 16, 19, 18 corresponding to the plurality of circular air cylinders 3, 4, 5 are provided at the bottom of the air chamber lower cover plate 2 for discharging the accumulated liquid in the corresponding partition sleeve or for replacing the dry silica gel. The sealing screw caps 16, 19, 18 arranged on the air chamber lower cover plate 2 form detachable sealing under the separating sleeves 6, 7, 8. The air passage channel inside the closed air chamber is isolated by a sealing ring.

In an exemplary embodiment of the present invention, as shown in fig. 4, the spacer sleeves 6, 7, 8 may include a straight sleeve 110 and a disc-shaped protrusion 111 at the upper end thereof, and the spacer sleeves 6, 7, 8 may be integrally formed or formed by movably coupling the straight sleeve 110 and the disc-shaped protrusion 111. The disc-shaped protrusion 111 may have a circular truncated cone structure. Preferably, the diameter of the disc-shaped protrusion 111 is larger than that of the straight sleeve 110. As shown in fig. 4, it is further preferred that the spacer sleeves 6, 7, 8 may be of mushroom-like construction. 5-7 cyclone guide grooves F are uniformly arranged on the disc-shaped bulge 111 from the center to the periphery in sequence. More preferably, 6 cyclone guide grooves F are formed.

Wherein, whirlwind guide way F is the gaseous guide way that the guide air current flows along circular airtight air chamber circumferencial direction, and it is the utility model discloses a key, if do not have this whirlwind guide way F, the gas in the air chamber just can not be along the air chamber outer wall and do helical motion. Preferably, the cyclone guide grooves F may be arranged in a straight line shape, or in a curved shape, or in a spiral shape on the disc-shaped protrusion 111 in a circumferential tangential direction; or arranged tangentially along the air chamber in a spiral direction. Further preferably, the cyclone guide groove F may be, for example, a half groove having a U-shaped cross section; or may be a pilot hole or a pilot tube. That is to say, all the structures which can make the gas in the air chamber do the spiral motion in the air chamber are within the protection scope of the utility model.

In an exemplary embodiment of the present invention, as shown in fig. 4, a groove G is further provided on the outer peripheral side of the disc-shaped protrusion 111. The provision of the groove G has two functions: 1, used for reducing the exhaust resistance of the cyclone guide groove F; 2, for discharging the impurities existing in the upper gap of the disc-shaped protrusion 111.

The utility model discloses a compound air chamber gas dryer adopts compound air chamber framework, and the air chamber all adopts circular air cylinder assembled structure, wherein spacer sleeve 6, 7, 8 can with the integrative design of whirlwind guide way F, simplified the production technology of product greatly, improved the reliability of product. According to the utility model discloses, first 6 outsides at a distance from sleeve separate sleeve 7 outside intercommunication through the air chamber UNICOM pipeline D that is located air chamber upper cover plate 1 with the second. The inner side of the second separation sleeve 7 is communicated with the outer side of the third separation sleeve 8 through an air chamber communication pipeline E positioned in the air chamber upper cover plate 1.

The flow process of the sample gas to be monitored in the composite gas chamber gas dryer is as follows:

the sample gas to be monitored enters the first closed gas chamber A through the gas inlet nozzle 9, and the cyclone gas nozzle 11 is arranged at the position of the gas inlet nozzle 9, so that the entering sample gas is accelerated through the cyclone gas nozzle 11, the gas entering the composite gas chamber gas dryer is accelerated to be sprayed to the inner wall of the first separation sleeve 6 and is condensed inside the first separation sleeve 6. The gas after the primary cooling is led out along the lower part of the first separation sleeve 6, flows upwards along the air outlet direction of the first separation sleeve 6 under the suction action of the air outlet nozzle, and can not continue upwards along the inner wall of the first separation sleeve 6 but is guided to the outer wall of the first separation sleeve 6 under the blocking of the condensation reflection cover 17.

That is to say, the gas reaches the upper part of the first closed air chamber A after being turned back by the condensation and reflection cover 17, and the gas after condensation and dehydration enters the outside of the second sleeve separating sleeve 7 of the second closed air chamber (dehydration and absorption air chamber) B through the cyclone guide groove F of the first sleeve separating sleeve 6 and then through the air chamber communication pipeline D in the air chamber upper cover plate 1. Then, the entering gas enters through the cyclone guide groove F on the second separation sleeve 7 and rotates along the inner wall of the second closed gas chamber B so as to achieve the purpose of fully combining with the dry silica gel to effectively adsorb the water vapor in the gas. The fully adsorbed gas enters a third closed gas chamber C (fine filtering gas chamber) through a communication pipeline E of the upper cover plate 1 of the gas chamber. Liquid water drops generated after condensation by the condensation reflecting cover 17 and dust contained in the sample gas are deposited in a groove of the water storage cock at the lower part of the air cavity and are discharged through a sealing rotary cover 19 at the bottom of the second separation sleeve 7. In addition, the dry silica gel in the second closed air chamber B can be replaced and filled through the sealing screw cap 19 at the bottom of the second partition sleeve 7.

The sample gas dried by the second separation sleeve 7 enters the outside of the third separation sleeve 8 of a third airtight gas chamber (fine filtering gas chamber) C through the adapter 12 and the gas chamber communication pipeline E, and the gas of the third airtight gas chamber C enters the inside of the third separation sleeve 8 after being filtered by the sintered filter element 14 below the third separation sleeve 8 and then is discharged through the exhaust nozzle 10 above. When the gas flows above the separating sleeves 6, 7 and 8, the cyclone guide grooves F for guiding the gas to flow along the tangential direction of the inner wall of the circular gas cylinder are formed above the separating sleeves, so that the gas can be used for improving the flowing state of the gas in the closed gas chamber. The adapter 12 is used for fixing the second spacer and communicating the air path.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims

1. A composite air chamber gas dryer is characterized by comprising an air chamber upper cover plate (1), an air chamber lower cover plate (2), and a first side connecting plate (20) and a second side connecting plate (21) which are used for connecting and fixing the upper cover plate and the lower cover plate; an air inlet nozzle (9), an air outlet nozzle (10) and an air chamber communicating pipeline (D, E) are arranged in the air chamber upper cover plate (1);

a plurality of circular air cylinders (3, 4 and 5) are arranged between the upper cover plate and the lower cover plate to divide the composite air chamber gas dryer into a plurality of closed air chambers; the closed air chambers are communicated through the air chamber communication pipeline to form a series air chamber; wherein,

the sealed air chamber is correspondingly provided with a separation sleeve, and the upper part of the separation sleeve is provided with a cyclone guide groove (F) to form a composite air chamber for guiding air to flow along the inner wall of the separation sleeve in a rotating manner.

2. The composite gas chamber gas dryer of claim 1,

the cyclone guide grooves (F) are distributed in a linear shape, a curved shape or a spiral shape along the circumferential tangential direction; or the cyclone guide grooves (F) are arranged along the tangential direction of the air chamber in a spiral direction;

the cross section of the cyclone guide groove (F) is a half groove with a U-shaped structure; or a pilot hole or a pilot tube.

3. The composite gas chamber gas dryer according to claim 1 or 2,

the spacer sleeve comprises a straight sleeve (110) and a disc-shaped bulge (111) positioned at the upper end of the straight sleeve, and the cyclone guide groove (F) is arranged on the surface or inside of the disc-shaped bulge (111);

5-7 cyclone guide grooves (F) are uniformly formed in the disc-shaped bulge (111) from the center to the periphery in sequence;

the separating sleeve is integrally formed or is formed by movably connecting a straight sleeve (110) and a disc-shaped bulge (111); wherein, the disc-shaped bulge (111) is in a circular truncated cone structure.

4. The composite air chamber gas dryer of claim 1, wherein the enclosed air chamber comprises:

a first sealed air chamber (A) is internally provided with a first separation sleeve (6); one end, close to the upper cover plate (1) of the air chamber, of the first partition sleeve (6) is provided with a cyclone air nozzle (11), and the cyclone air nozzle (11) is communicated with the air inlet nozzle (9) and used for cyclone air inlet; a condensation reflection cover (17) is sleeved on one end, close to the air chamber lower cover plate (2), of the first separation sleeve (6); for reflection condensation water removal;

a second sealed air chamber (B) is internally provided with a second separation sleeve (7) for dehydration and absorption;

a third separation sleeve (8) is arranged in the third closed air chamber (C) and is used for fine filtration.

5. The composite air chamber gas dryer according to claim 4, wherein the second closed air chamber (B) has a plurality; and the second closed air chambers (B) are connected in series and are communicated through a communication pipeline.

6. The composite gas chamber gas dryer of claim 4,

the inner side and the outer side of the second separation sleeve (7) are filled with dry silica gel;

the outer side of the third separation sleeve (8) is filled with dry silica gel, and a sintering filter element (14) is arranged in the third separation sleeve to realize secondary drying and fine filtering of gas;

wherein the sintered filter element (14) is fixed below the inside of the third sleeve (8) through a filter element end cover (15); the longitudinal section of the sintering filter element (14) is of a U-shaped structure.

7. The composite gas chamber gas dryer of claim 4,

the outer side of the first separation sleeve (6) is communicated with the outer side of the second separation sleeve (7) through an air chamber communication pipeline (D) positioned in the air chamber upper cover plate (1);

the inner side of the second separation sleeve (7) is communicated with the outer side of the third separation sleeve (8) through an air chamber communication pipeline (E) in the air chamber upper cover plate (1).

8. The composite gas chamber gas dryer of claim 4,

the cyclone air nozzle (11) is sleeved on the periphery of the air inlet nozzle (9) which is positioned at the inner end of the first closed air chamber (A); the surface of the cyclone air nozzle (11) is provided with a groove for guiding cyclone.

9. The composite gas chamber gas dryer of claim 4,

a condensation reflection cover (17) is sleeved outside the first sleeve separating sleeve (6); the condensation reflection cover (17) is positioned at one end of the first separation sleeve (6) close to the gas chamber lower cover plate (2);

a plurality of the circular cylinders constituting the closed air chamber are arranged in a vertical parallel manner; and the bottom of the air chamber lower cover plate (2) is provided with a sealing spiral cover corresponding to the plurality of circular air cylinders.

10. A smoke tester comprising the composite air chamber gas dryer of any one of claims 1 to 9.