CN211025747U - Molecular sieve adsorption dryer - Google Patents
Molecular sieve adsorption dryer Download PDFInfo
- Publication number
- CN211025747U CN211025747U CN201921941735.9U CN201921941735U CN211025747U CN 211025747 U CN211025747 U CN 211025747U CN 201921941735 U CN201921941735 U CN 201921941735U CN 211025747 U CN211025747 U CN 211025747U
- Authority
- CN
- China
- Prior art keywords
- molecular sieve
- sieve adsorption
- electromagnetic valve
- drying column
- way electromagnetic
- 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.)
- Active
Links
Images
Landscapes
- Drying Of Gases (AREA)
Abstract
The utility model discloses a molecular sieve adsorption dryer includes: the first molecular sieve adsorption drying column and the second molecular sieve adsorption drying column have the same structure; the device comprises a first three-way electromagnetic valve, a second three-way electromagnetic valve, an air source pipeline, an emptying pipeline and an air supply pipeline, wherein the first three-way electromagnetic valve and the second three-way electromagnetic valve are the same, and the air source pipeline and the emptying pipeline are connected with the first three-way electromagnetic valve and the second three-way electromagnetic valve respectively, and the air supply pipeline is connected with a first molecular sieve adsorption drying column and a second molecular sieve adsorption drying column. The utility model adopts the double molecular sieve adsorption drying column, and the automatic cycle switching is realized, the molecular sieve is not needed to be replaced, and the long-time continuous use is realized; further, the indication of the color-changing dry silica gel can be increased, and a user can conveniently know the performance of the molecular sieve and the condition of the dried gas in real time.
Description
Technical Field
The utility model relates to a molecular sieve adsorption dryer.
Background
The molecular sieve is an aluminosilicate compound having a cubic lattice, which has a uniform microporous structure characteristic, and has uniform pore diameters, which can adsorb molecules smaller than the pore diameters to the inside of the pores, and has preferential adsorption ability for polar molecules and unsaturated molecules. The molecular sieve has the characteristics of strong adsorption capacity and good thermal stability, so the molecular sieve is widely applied to gas drying.
As shown in fig. 1, a conventional molecular sieve dryer is configured such that a molecular sieve 100 is installed in a metal casing 1 ', an upper end cap 2 ' and a lower end cap 3 ' are respectively installed at upper and lower ends of the casing 1 ' in a threaded manner, a first sealing ring 21 ' and a second sealing ring 31 ' are respectively installed between the upper end cap 2 ' and the lower end cap 3 ' and the casing 1 ' to seal the same, and a first gas connector 22 ' and a second gas connector 32 ' for connecting compressed air are respectively installed at the upper end cap 2 ' and the lower end cap 3 '. The molecular sieve in the molecular sieve adsorption dryer fails after being used for a period of time, and the molecular sieve 100 with the failed interior needs to be taken out and replaced by a new molecular sieve 100. Such dryers have the following disadvantages during use:
1. the failure time of the molecular sieve 100 in the use process cannot be determined, and the accurate replacement period cannot be obtained;
2. the molecular sieve 100 needs to be replaced, dried, filled and used continuously, and is complex and inconvenient to operate.
Disclosure of Invention
The utility model aims at providing a molecular sieve adsorption dryer just in order to solve above-mentioned problem, realize automatic cycle switching, need not to change the molecular sieve, realize long-time continuous use and be convenient for the user to know the performance of molecular sieve and the gaseous condition in dry back in real time.
The purpose of the utility model is realized like this:
the utility model discloses a molecular sieve adsorbs desicator includes:
two first molecular sieve adsorption drying columns and second molecular sieve adsorption drying columns with the same structure, which both comprise:
a tubular housing;
the first end cover and the second end cover are respectively arranged at two ends of the shell, wherein a first gas joint and a second gas joint are respectively arranged on the first end cover and the second end cover;
the first filter cotton and the second filter cotton are respectively arranged at the upper part and the lower part in the shell; and
the molecular sieve is filled in the shell and positioned between the first filter cotton and the second filter cotton;
two identical first three-way solenoid valves and second three-way solenoid valves, each of which comprises a first port, a second port and a third port,
the first ports of the first three-way electromagnetic valve and the second three-way electromagnetic valve are respectively connected with an air source pipeline;
second ports of the first three-way electromagnetic valve and the second three-way electromagnetic valve are respectively connected with first gas connectors of the first molecular sieve adsorption drying column and the second molecular sieve adsorption drying column;
third ports of the first three-way electromagnetic valve and the second three-way electromagnetic valve are respectively connected with an emptying pipeline; and
and the gas supply pipeline is connected with the second gas connectors of the first molecular sieve adsorption drying column and the second molecular sieve adsorption drying column respectively.
The second end covers of the first molecular sieve adsorption drying column and the second molecular sieve adsorption drying column in the molecular sieve adsorption dryer are respectively provided with a glass cover filled with allochroic silica gel drying agent.
First molecular sieve adsorption drying post and second molecular sieve adsorption drying post all still include among the foretell molecular sieve adsorption dryer:
one end of the first support spring is abutted against the first end cover, and the other end of the first support spring is abutted against the first filter cotton; and/or
One end of the second support spring is abutted against the second end cover, and the other end of the second support spring is abutted against the second filter cotton.
Between the first ports of the first three-way electromagnetic valve and the second three-way electromagnetic valve in the molecular sieve adsorption dryer and the gas source pipeline, and/or
Between the third ports of the first three-way electromagnetic valve and the second three-way electromagnetic valve and the emptying pipeline, and/or,
and the second gas joints of the first molecular sieve adsorption drying column and the second molecular sieve adsorption drying column are connected with the gas supply pipeline through a tee joint.
The utility model adopts the double molecular sieve adsorption drying column, and the automatic cycle switching is realized, the molecular sieve is not needed to be replaced, and the long-time continuous use is realized; further, the indication of the color-changing dry silica gel can be increased, and a user can conveniently know the performance of the molecular sieve and the condition of the dried gas in real time.
Drawings
FIG. 1 is a schematic diagram of a conventional molecular sieve dryer;
FIG. 2 is a schematic structural diagram of the molecular sieve adsorption dryer of the present invention;
fig. 3 is a timing diagram of the operation of the first three-way solenoid valve and the second three-way solenoid valve of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 2, the molecular sieve adsorption dryer of the present invention is shown including:
two first molecular sieve adsorption drying column 1 and second molecular sieve adsorption drying column 2 that the structure is the same, wherein first molecular sieve adsorption drying column 1 and second molecular sieve adsorption drying column 2 all include:
a tubular housing 101;
a first end cap 102 and a second end cap 103 respectively installed at two ends of the housing 101, wherein the first end cap is provided with a first gas connector 102a, the second end cap 103 is provided with a second gas connector 103a, in this embodiment, the second end cap 103 is provided with a glass cover 108 filled with allochroic silica gel desiccant;
a first filter cotton 104 and a second filter cotton 105 respectively arranged at the upper and lower parts in the casing 101;
a first supporting spring 106 with one end abutting against the first end cover 102 and the other end abutting against the first filter cotton 104;
a second supporting spring 107 with one end abutting against the second end cap 103 and the other end abutting against the second filter cotton 105; and
the molecular sieve 100 is filled in the shell 101 and positioned between the first filter cotton 104 and the second filter cotton 105;
two the same first three solenoid valve 3 and second three solenoid valve 4, first three solenoid valve 3 and second three solenoid valve 4 all include:
a first port 201, a second port 202 and a third port 203, wherein,
the first ports 201 of the first three-way electromagnetic valve 3 and the second three-way electromagnetic valve 4 are respectively connected with two ports of a three-way joint, and the other port of the three-way joint is connected with an air source pipeline 5;
the third ports 203 of the first three-way electromagnetic valve 3 and the second three-way electromagnetic valve 4 are connected with two ports of a three-way joint, and the other port of the three-way joint is connected with a vent pipeline 6; and
the second gas joint 103a of the first molecular sieve adsorption drying column 1 and the second molecular sieve adsorption drying column 2 is connected with two ports of a three-way joint, a shuttle valve 7 is arranged in the three-way joint, and the other port of the three-way joint is connected with a gas supply pipeline 8.
When the first molecular sieve adsorption drying column 1 is in a gas drying working state, the first port 201 and the second port 202 of the first three-way electromagnetic valve 3 are opened, and the third port 203 is closed; the first port 201 of the second three-way solenoid valve 4 is closed, the second port 202, the third port 203 is opened, compressed air enters the first port 201 of the first three-way electromagnetic valve 3 through the air source pipeline 5 and then enters the first gas joint 102a of the first molecular sieve adsorption drying column 1 from the second port 202, the compressed air flows out of the second gas joint 103a of the first molecular sieve adsorption drying column 1 and enters the shuttle valve 7, 90% of the dried compressed air is controlled by the shuttle valve 7 to enter the air supply pipeline 8, 10% of the dried compressed air enters the second gas joint 103a of the second molecular sieve adsorption drying column 2, the dried compressed air backflows the molecular sieve 100 in the second molecular sieve adsorption drying column 2 and then flows out of the first gas joint 102a of the second molecular sieve adsorption drying column 2 and enters the second port 202 of the second three-way electromagnetic valve 4, and then flows out of the third port 203 and is emptied from the emptying pipeline 6;
when the first molecular sieve adsorption drying column 1 works for 30 seconds, the first port 201 and the second port 202 of the second three-way electromagnetic valve 4 are opened, and the third port 203 is closed; the first port 201 of the first three-way electromagnetic valve 3 is closed, the second port 202 and the third port 203 are opened, 90% of the compressed gas dried by the second molecular sieve adsorption drying column 2 is controlled by the shuttle valve 7 to enter the gas supply pipeline 8, 10% of the dried compressed gas enters the second gas connector 103a of the first molecular sieve adsorption drying column 1 to blow back the molecular sieve 100 in the first molecular sieve adsorption drying column 1, the complete drying and blow-back work period is 60 seconds, and the specific work timing sequence is shown in fig. 3; the adsorption capacity of the molecular sieve 100 filled in the first molecular sieve adsorption drying column 1 and the second molecular sieve adsorption drying column 2 is judged according to the color change of the allochroic silica gel drying agent in the glass cover 108 of the first molecular sieve adsorption drying column 1 and the second molecular sieve adsorption drying column 2, so that the molecular sieve 100 can be replaced in time.
The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should also belong to the scope of the present invention, and should be defined by the claims.
Claims (4)
1. A molecular sieve adsorption dryer, comprising:
two first molecular sieve adsorption drying columns and second molecular sieve adsorption drying columns with the same structure, which both comprise:
a tubular housing;
the first end cover and the second end cover are respectively arranged at two ends of the shell, wherein a first gas joint and a second gas joint are respectively arranged on the first end cover and the second end cover;
the first filter cotton and the second filter cotton are respectively arranged at the upper part and the lower part in the shell; and
the molecular sieve is filled in the shell and positioned between the first filter cotton and the second filter cotton;
two identical first three-way solenoid valves and second three-way solenoid valves, each of which comprises a first port, a second port and a third port,
the first ports of the first three-way electromagnetic valve and the second three-way electromagnetic valve are respectively connected with an air source pipeline;
second ports of the first three-way electromagnetic valve and the second three-way electromagnetic valve are respectively connected with first gas connectors of the first molecular sieve adsorption drying column and the second molecular sieve adsorption drying column;
third ports of the first three-way electromagnetic valve and the second three-way electromagnetic valve are respectively connected with an emptying pipeline; and
and the gas supply pipeline is respectively connected with the second gas connectors of the first molecular sieve adsorption drying column and the second molecular sieve adsorption drying column.
2. The molecular sieve adsorption dryer of claim 1, wherein the second end caps of the first molecular sieve adsorption drying column and the second molecular sieve adsorption drying column are respectively provided with a glass cover filled with allochroic silica gel desiccant.
3. The molecular sieve adsorption dryer of claim 1, wherein the first molecular sieve adsorption drying column and the second molecular sieve adsorption drying column each further comprise:
one end of the first support spring is abutted against the first end cover, and the other end of the first support spring is abutted against the first filter cotton; and/or
One end of the second support spring is abutted against the second end cover, and the other end of the second support spring is abutted against the second filter cotton.
4. The molecular sieve adsorption dryer of claim 1, wherein the first ports of the first three-way solenoid valve and the second three-way solenoid valve are between the gas source conduit and/or the gas source conduit
Between the third ports of the first three-way electromagnetic valve and the second three-way electromagnetic valve and the emptying pipeline, and/or,
and the second gas connectors of the first molecular sieve adsorption drying column and the second molecular sieve adsorption drying column are connected with the gas supply pipeline through a tee joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921941735.9U CN211025747U (en) | 2019-11-11 | 2019-11-11 | Molecular sieve adsorption dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921941735.9U CN211025747U (en) | 2019-11-11 | 2019-11-11 | Molecular sieve adsorption dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211025747U true CN211025747U (en) | 2020-07-17 |
Family
ID=71561108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921941735.9U Active CN211025747U (en) | 2019-11-11 | 2019-11-11 | Molecular sieve adsorption dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211025747U (en) |
-
2019
- 2019-11-11 CN CN201921941735.9U patent/CN211025747U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210513826U (en) | Soil gas sample detection collector | |
| JPS6377511A (en) | Filter device | |
| CN211025747U (en) | Molecular sieve adsorption dryer | |
| CN208474564U (en) | A kind of interaction switching pressurized air purification valve body | |
| CN208283228U (en) | A kind of dust Quick testing instrument | |
| CN219836317U (en) | Gas chromatograph filter equipment | |
| CN201233141Y (en) | Pressure plate type liquid storage drier | |
| CN208205535U (en) | The two-way device for drying and filtering of idle call | |
| CN210206246U (en) | Waste gas recovery device for polyamide production with good tightness | |
| CN208366376U (en) | SF6 gaseous state detection device | |
| KR101510573B1 (en) | Compact adsorption dryer | |
| CN210366994U (en) | Intelligent pressure swing adsorption nitrogen making equipment | |
| CN105928664A (en) | Leakage test fixture and airtightness and ventilation detection method for nozzle body part | |
| CN215196217U (en) | Molecular sieve dehumidification device | |
| CN203469685U (en) | Filter with filter core capable of being quickly replaced | |
| CN209333460U (en) | A kind of double tower switching air purifier of novel compositions valve | |
| CN208742154U (en) | A kind of air purifier with pressure detecting function | |
| CN212881784U (en) | Outward-rotating pressing sealed drying cylinder device and drying machine | |
| CN206927614U (en) | A kind of nitrogen preparation system | |
| CN213271160U (en) | Novel differential pressure type one-way check valve and drying machine | |
| CN211837141U (en) | Miniature adsorption dryer | |
| CN217312674U (en) | Adsorption dryer capable of being cleaned quickly | |
| CN211159169U (en) | Hollow fiber dehumidification device capable of being recycled | |
| CN220320307U (en) | Clamp for gas chromatography detection | |
| CN208169079U (en) | A kind of vertical interior heating pumped vacuum systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 201108 room 506, building 3, 2350 Duzhuang Road, Minhang District, Shanghai Patentee after: Shanghai Chunxi Application Technology Co.,Ltd. Address before: 201108 room 506, building 3, 2350 Duzhuang Road, Minhang District, Shanghai Patentee before: Shanghai Chunxi Application Technology Co.,Ltd. |