CN108704452A - A kind of gas drier - Google Patents
A kind of gas drier Download PDFInfo
- Publication number
- CN108704452A CN108704452A CN201810344838.0A CN201810344838A CN108704452A CN 108704452 A CN108704452 A CN 108704452A CN 201810344838 A CN201810344838 A CN 201810344838A CN 108704452 A CN108704452 A CN 108704452A
- Authority
- CN
- China
- Prior art keywords
- condensation chamber
- gas
- liquid nitrogen
- pipe
- condensation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/265—Drying gases or vapours by refrigeration (condensation)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Drying Of Gases (AREA)
Abstract
The present invention provides a kind of gas drier, including condensation chamber, porous media is filled in condensation chamber, condensation chamber is equipped with air inlet pipe and an air outlet pipe, air inlet pipe one end connects the outlet of air pump, it is inserted at porous media bottom and port in other end injection condensation chamber and is equipped with strainer, strainer is equipped at escape pipe one end injection condensation chamber inner top and port, condensation cavity outer wall is wrapped metal coil pipe, metal coil pipe one end connects liquid nitrogen container, the other end connects the suction inlet of liquid nitrogen pump, liquid nitrogen pump aspirates the low temperature nitrogen in liquid nitrogen container and is condensed to condensation chamber cooling, the air of air pumping enters condensation chamber, hydrogenesis in gas is ice crystal by Porous Medium Adsorption, gas after drying is discharged by escape pipe.Beneficial effects of the present invention：Temperature in condensation chamber is decreased below the dew point value of gas to be dried by metal coil pipe by low temperature nitrogen, and the hydrogenesis in gas is ice crystal by Porous Medium Adsorption, can meet the dry of the gas of lower dew point and require.
Description
Technical field
The present invention relates to glove box drying equipment more particularly to a kind of gas driers.
Background technology
Common drying means has expansion cooling method, pressurization cooling method, absorption method, solvent absorption etc..Adsorb rule tool
There is the features such as operating condition is mild, dehydration depth is high, frequently as the terminal purifying method of gas depth drying.Glove box frequently with
Molecular sieve solid absorption method carries out depth drying, the about several ppm of minimum water content of general molecular sieve dry gas, gas dew point
It is minimum to be higher than subzero more than 70 degrees Celsius, but cannot be satisfied the requirement of lower dew point.
Invention content
In view of this, the embodiment provides a kind of gas driers.
The embodiment of the present invention provides a kind of gas drier, including condensation chamber, and porous Jie is filled in the condensation chamber
Matter, the condensation chamber are equipped with air inlet pipe and an air outlet pipe, and described air inlet pipe one end connects air pump, condensation chamber described in other end injection
Interior be inserted at the porous media bottom and port is equipped with strainer, condensation chamber inner top and end described in the injection of described escape pipe one end
Strainer is equipped at mouthful, the condensation cavity outer wall is wrapped metal coil pipe, and metal coil pipe one end connects liquid nitrogen container, and the other end connects
Connect liquid nitrogen pump, the low temperature nitrogen in liquid nitrogen container described in the liquid nitrogen pumping, which cools down to the condensation chamber, to be condensed, the air pump
It aspirates gas to be dried and enters the condensation chamber, the hydrogenesis in gas is ice crystal by the Porous Medium Adsorption, dry gas
Body is discharged by the escape pipe.
Further, the drying device further includes two drainpipes that middle part is equipped with shut-off valve, and one end of a drainpipe connects
The outlet of the liquid nitrogen pump is connect, the other end accesses the air inlet pipe, and the escape pipe is accessed in another drainpipe one end, described cold
Solidifying intracavitary is equipped with heating plate, and ice crystal is heated to be steam by the heating plate, the low temperature in liquid nitrogen container described in the liquid nitrogen pumping
Through the heating plate heating and gasifying in nitrogen to the condensation chamber, takes away steam and be discharged by two drainpipes.
Further, the heating plate is tightly attached to condensation cavity outer wall by heat-conducting glue.
Further, the heating plate is resistance wire, and the resistance wire is wrapped the condensation cavity outer wall.
Further, pressure sensor or flow sensor are equipped in the middle part of the escape pipe.
Further, the porous media is discrete particles.
Further, the outlet of the escape pipe is equipped with temperature sensor.
The advantageous effect brought of technical solution that the embodiment of the present invention provides is：A kind of gas dry dress of the present invention
It sets, low temperature nitrogen by the temperature in condensation chamber when the metal coil pipe by that can be reduced to -190 DEG C, less than gas to be dried
Dew point value, the hydrogenesis in gas are ice crystal by Porous Medium Adsorption, and drying effect is more preferable, can meet the gas of lower dew point
The dry of body requires.
Description of the drawings
Fig. 1 is a kind of schematic diagram of gas drier of the present invention；
Fig. 2 is the schematic diagram of condensation chamber 11 in Fig. 1.
In figure：1- liquid nitrogen containers, 2- heat-insulating rooms, 3- heating plates, 4- liquid nitrogen pumps, the first shut-off valves of 5-, the second shut-off valves of 6-, 7-
Third shut-off valve, the 4th shut-off valves of 8-, 9- air pumps, the 5th shut-off valves of 10-, 11- condensation chambers, 12- porous medias, 13- air inlets
Pipe, 14- escape pipes, 15- metals coil pipe, the first drainpipes of 16-, the second drainpipes of 17-.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is further described.
It please refers to Fig.1 and Fig. 2, it is described the embodiment provides a kind of gas drier, including condensation chamber 11
11 inside of condensation chamber has heat-insulating room 2, and the good porous media 12 of heat conductivility, porous Jie are filled in the heat-insulating room 2
Matter 12 is discrete particles, can select tiny metallic particles；
The condensation chamber 11 is equipped with air inlet pipe 13 and escape pipe 14, and the air inlet pipe 13 is equipped with the 4th shut-off valve 8, described
13 one end of air inlet pipe connects the outlet of air pump 9, and 12 bottom of porous media is inserted into heat-insulating room 2 described in other end injection
And strainer is equipped at port, the escape pipe 14 is equipped with third shut-off valve 7, and 14 middle part of the escape pipe is equipped with pressure sensor
Or flow sensor, the outlet of the escape pipe 14 are equipped with temperature sensor, it is heat-insulated described in 14 one end injection of the escape pipe
Strainer is equipped at 2 inner top of room and port, metal mesh can be selected in strainer, and mesh size is less than particle size, particle is prevented to be mixed into
In gas；
11 outer wall of the condensation chamber is wrapped metal coil pipe 15, and described 15 one end of metal coil pipe connects liquid nitrogen container 1, the other end
The suction inlet of liquid nitrogen pump 4 is connected, 4 outlet one end of the liquid nitrogen pump is equipped with the first shut-off valve 5；
The drying device further includes two drainpipes, respectively the first drainpipe 16 and the second drainpipe 17, the first draining
Pipe 16 be equipped with the 5th shut-off valve 10, the second drainpipe be equipped with the second shut-off valve 6, the first drainpipe 16 one end connection described in
The outlet of liquid nitrogen pump 4, the other end access the air inlet pipe 13, and the escape pipe 14 is accessed in 17 one end of the second drainpipe；
Heating plate 3 is equipped in the heat-insulating room 2, the heating plate 3 can also be tightly attached to condensation cavity outer wall by heat-conducting glue,
Or resistance wire is selected to be wrapped the condensation cavity outer wall as heating plate.
When gas is dried, second shut-off valve 6 and the 5th shut-off valve 10 are closed, opens described first
Shut-off valve 5, the third shut-off valve 7 and the 4th shut-off valve 9, the liquid nitrogen pump 4 aspirate the cryogenic nitrogen in the liquid nitrogen container 1
Gas, which cools down to the heat-insulating room 2, to be condensed, and the gas to be dried that the air pump 9 is aspirated enters the heat-insulating room, the water in gas
Fractional condensation is become ice crystal and is adsorbed by the porous media 12, and remaining dry gas is discharged by the escape pipe 14, and the temperature passes
Sensor senses the temperature in the heat-insulating room 2, and then is controlled in the heat-insulating room 2 by adjusting 4 displacement size of liquid nitrogen pump
Temperature, pressure or flow in pressure sensor or flow sensor monitoring, are that the air inlet pipe 13 or the escape pipe 14 are stifled
It fills in situation and basis for estimation is provided, gas dry finishes, and opens second shut-off valve 6 and the 5th shut-off valve 10, closes institute
It states the first shut-off valve 5, the third shut-off valve 7 and the 4th shut-off valve 8, the heating plate 3 and ice crystal is heated to be steam, institute
It states the low temperature nitrogen that liquid nitrogen pump 4 aspirates in the liquid nitrogen container 1 to the heat-insulating room 2 is interior to gasify, takes away steam and by described first
Drainpipe 16 and second drainpipe 17 discharge.
Herein, the nouns of locality such as involved front, rear, top, and bottom are to be located in figure with parts in attached drawing and zero
Part mutual position defines, only for the purpose of expressing the technical solution clearly and conveniently.It should be appreciated that the noun of locality
Use should not limit the claimed range of the application.
In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of gas drier, it is characterised in that：Including condensation chamber, porous media is filled in the condensation chamber, it is described cold
Solidifying chamber is equipped with air inlet pipe and an air outlet pipe, and described air inlet pipe one end connects air pump, and institute is inserted into condensation chamber described in other end injection
It states and is equipped with strainer at porous media bottom and port, be equipped at condensation chamber inner top and port described in the injection of described escape pipe one end
Strainer, the condensation cavity outer wall are wrapped metal coil pipe, and metal coil pipe one end connects liquid nitrogen container, and the other end connects liquid nitrogen
It pumps, the nitrogen in liquid nitrogen container described in the liquid nitrogen pumping, which cools down to the condensation chamber, to be condensed, and the air pumping is to be dried
Gas enters the condensation chamber, and the hydrogenesis in gas is ice crystal by the Porous Medium Adsorption, dry gas by it is described go out
Tracheae is discharged.
2. a kind of gas drier as described in claim 1, it is characterised in that：The drying device further includes that middle part is equipped with
Two drainpipes of shut-off valve, one end of a drainpipe connect the outlet of the liquid nitrogen pump, and the other end accesses the air inlet pipe, separately
The escape pipe is accessed in one drainpipe one end, and heating plate is equipped in the condensation chamber, and ice crystal is heated to be steam by the heating plate,
Through the heating plate heating and gasifying in nitrogen to the condensation chamber in liquid nitrogen container described in the liquid nitrogen pumping, steam is taken away simultaneously
By the two drainpipe discharges.
3. a kind of gas drier as claimed in claim 2, it is characterised in that：The heating plate can also be tight by heat-conducting glue
It is affixed on the condensation cavity outer wall.
4. a kind of gas drier as claimed in claim 2, it is characterised in that：The heating plate is resistance wire, the electricity
Resistance silk is wrapped the condensation cavity outer wall.
5. a kind of gas drier as described in claim 1, it is characterised in that：Pressure sensing is equipped in the middle part of the escape pipe
Device or flow sensor.
6. a kind of gas drier as described in claim 1, it is characterised in that：The porous media is discrete particles.
7. a kind of gas drier as described in claim 1, it is characterised in that：The outlet of the escape pipe is equipped with temperature
Sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810344838.0A CN108704452A (en) | 2018-04-17 | 2018-04-17 | A kind of gas drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810344838.0A CN108704452A (en) | 2018-04-17 | 2018-04-17 | A kind of gas drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108704452A true CN108704452A (en) | 2018-10-26 |
Family
ID=63866648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810344838.0A Pending CN108704452A (en) | 2018-04-17 | 2018-04-17 | A kind of gas drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108704452A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112807943A (en) * | 2021-02-20 | 2021-05-18 | 江西力沃德科技有限公司 | Condensing device for removing moisture and particles in gas |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998023556A1 (en) * | 1996-11-25 | 1998-06-04 | Kabushiki Kaisya Advance | Method of production of ceramics |
| CN202432826U (en) * | 2011-12-13 | 2012-09-12 | 西南化工研究设计院 | Helium purification device |
| CN206073701U (en) * | 2016-08-29 | 2017-04-05 | 泰州市吉申电阻丝有限公司 | A kind of special sensing smelting furnace of resistance wire |
-
2018
- 2018-04-17 CN CN201810344838.0A patent/CN108704452A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998023556A1 (en) * | 1996-11-25 | 1998-06-04 | Kabushiki Kaisya Advance | Method of production of ceramics |
| CN202432826U (en) * | 2011-12-13 | 2012-09-12 | 西南化工研究设计院 | Helium purification device |
| CN206073701U (en) * | 2016-08-29 | 2017-04-05 | 泰州市吉申电阻丝有限公司 | A kind of special sensing smelting furnace of resistance wire |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112807943A (en) * | 2021-02-20 | 2021-05-18 | 江西力沃德科技有限公司 | Condensing device for removing moisture and particles in gas |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181026 |