CN209188798U - Molecular sieve activation device - Google Patents
Molecular sieve activation device Download PDFInfo
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- CN209188798U CN209188798U CN201821998274.4U CN201821998274U CN209188798U CN 209188798 U CN209188798 U CN 209188798U CN 201821998274 U CN201821998274 U CN 201821998274U CN 209188798 U CN209188798 U CN 209188798U
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- pipeline
- activation
- molecular sieve
- drying oven
- forced convection
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Abstract
The utility model relates to a kind of molecular sieve activation devices.It is made of trolley, flat car, electric drying oven with forced convection, activation pot, pressure vacuum gauge, valve and hand stop valve；Electric drying oven with forced convection, which is equipped with, is used for the flat car chamber door I passed through and the chamber door II passed through for pipeline I；Flat car is mounted on trolley, activation pot is mounted on flat car, flat car and activation pot are sent into electric drying oven with forced convection by trolley, activation pot one end is connected with pipeline I, after activation pot enters electric drying oven with forced convection, it is connect by connector with one end of pipeline II after passing through electric drying oven with forced convection chamber door II with the other end for activating tank connected pipeline I, the other end of pipeline II connects hand stop valve, pipeline II is equipped with pressure vacuum gauge and valve, and vacuum pump connector and source nitrogen connector are formed between valve and hand stop valve.The utility model is high-efficient, good economy performance, easy to operate, improves molecular sieve quality, process.
Description
Technical field
The utility model relates generally to a kind of device for the molecular sieve activation for LNG gas cylinder.
Background technique
Design, production and the application of LNG gas cylinder are very mature.Vacuum clip between LNG cylinder liner and outer gallbladder
Molecular sieve is usually placed in layer, molecular sieve is contained using stainless steel wire mesh, will be contained using stainless steel lath by spot-welding technology
The metal mesh of dress molecular sieve is fixed on outer surface of liner, can adsorb the hydrone in vacuum interlayer at low temperature, remains true
Reciprocal of duty cycle influences the maintenance of vacuum interlayer, destroys vacuum degree, directly if molecular sieve is dry not exclusively to will lead to adsorption capacity decrease
Heat-insulating property is caused to reduce.Therefore the activation of molecular sieve is the very important technique of a step in LNG gas cylinder production process, molecule
Activating process quality is sieved, the layer vacuum maintained time of LNG gas cylinder is directly influenced.Molecular sieve activation process is big at present
All it is that directly molecular sieve is placed in drying box, activation is dried in air atmosphere, since molecular sieve easily absorbs water,
In cooling procedure, hygroscopic, the quality of molecular sieve is influenced, and then can have an impact to LNG gas cylinder heat-insulating property, is unfavorable for low
Geothermal liquid storage.Existing molecular sieve activation method low efficiency, less economical, complicated for operation, technique is difficult to ensure.
Summary of the invention
It is easy to operate the purpose of the utility model is to provide a kind of high-efficient, good economy performance, improve molecular sieve quality, work
The reliable molecular sieve activation device of skill.
The technical solution adopted in the utility model is: a kind of molecular sieve activation device, by trolley, flat car, electric heating drum
Wind drying box, activation pot, pressure vacuum gauge, valve and hand stop valve are constituted；Electric drying oven with forced convection, which is equipped with, is used for plate
The chamber door I that vehicle passes through and the chamber door II passed through for pipeline I；Flat car is mounted on trolley, and activation pot is mounted on flat car
On, flat car and activation pot are sent into electric drying oven with forced convection by trolley, activation pot one end is connected with pipeline I, activation
After tank enters electric drying oven with forced convection, after passing through electric drying oven with forced convection chamber door II with the other end for activating tank connected pipeline I
It is connect by connector with one end of pipeline II, the other end of pipeline II connects hand stop valve, and pipeline II is equipped with vacuum pressure
Power table and valve are formed with vacuum pump connector and source nitrogen connector between valve and hand stop valve.
Further, above-mentioned a kind of molecular sieve activation device is equipped with track I, track I and electric drying oven with forced convection chamber door
I is corresponding, and trolley is moved along track I relative to electric drying oven with forced convection.
Further, above-mentioned a kind of molecular sieve activation device, trolley are equipped with track II, and II one end of track reaches
Cart；The bottom of electric drying oven with forced convection inner cavity is equipped with track III, and track II and track III are flexibly connected.
Further, above-mentioned a kind of molecular sieve activation device, flat car both sides of the upper end are equipped with for fixing activation pot
Curved support frame.
Further, above-mentioned a kind of molecular sieve activation device, the chamber door II and electric drying oven with forced convection cabinet are living
Dynamic connection, middle part is formed with the through hole that pipeline I passes through.
Further, the connectivity part of above-mentioned a kind of molecular sieve activation device, activation pot and pipeline I is equipped with filter screen.
The beneficial effects of the utility model are:
1, molecular sieve is placed in activation pot by the utility model, activation pot in electric drying oven with forced convection by pipeline with
External vacuum pump is connected with source nitrogen, it can be achieved that activation pot inner vacuum state, passes through the opening and closing of hand stop valve, activation pot
It is connected by pipeline with source nitrogen, realizes gas displacement in activation pot, in dry activation process, in the protection of inert gas
Under, the water that high temperature drying generates is extracted out by pipeline, guarantees the dry mass of molecular sieve.
2, the utility model makes molecular sieve in activation, activation pot does not have to by the cooperation of trolley and flat car
Carrying is fed directly into electric drying oven with forced convection, reduces labor intensity, while avoiding high temperature pair in electric drying oven with forced convection
Operator's damage.
3, vacuum degree and pressure condition inside activation pot can be observed by pressure vacuum gauge, in time in the utility model
It vacuumizes, nitrogen is replaced or draining.
4, the utility model can make molecular sieve activation technological operation simple, reduce the process time, improve working efficiency.
5, the utility model can make molecular sieve activation technique simple using equipment, good economy performance.
6, the utility model can be checked if the removal of molecular sieve activation process vapor is not clean by pipeline, simple
Just, fast.
7, the utility model, it is highly-safe.Since molecular sieve activation process needs heating temperature very high, and vacuumize and
Displacement is all to carry out at high temperature, and pipeline is placed on outside electric drying oven with forced convection case, the operation carried out also all outside case, this
Sample can prevent the danger of scald.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the method cross-sectional view of activation pot Yu I junction of pipeline.
Specific embodiment
Embodiment molecular sieve activation device
As shown in Figure 1, a kind of molecular sieve activation device, by trolley 1, flat car 2, electric drying oven with forced convection 3, activation pot
4, pressure vacuum gauge 5, valve 6, hand stop valve 7, connector 8, pipeline II 9 and track I 10 are constituted.
Trolley 1 is used to send the flat car 2 for being fixed with activation pot 4 into or exit electric drying oven with forced convection 3.For convenience
Transport is equipped with track I 10 on the track that trolley 1 is advanced, and track I 10 is corresponding with electric drying oven with forced convection 3 chamber door, I 3-1,
Trolley 1 is moved along track I 10 relative to electric drying oven with forced convection 3.Trolley 1 is equipped with the track mobile for flat car 2
The length of II 1-1, II 1-1 of track are greater than the length of trolley, that is, the end of trolley 1 is stretched out in II one end 1-1 of track；
It is docked so that II 1-1 of track can be realized with III 3-3 of track of 3 intracavity bottom of electric drying oven with forced convection.
2 both sides of the upper end of flat car is equipped with the curved support frame 2-1 for fixing activation pot 4, passes through curved support frame 2-1
So that activation pot 4 is in the electric drying oven with forced convection 3 of high temperature, vacuumize or nitrogen displacement or draining steam and heating process in
Remain stable state.Flat car 2 is mounted on trolley 1, after II 1-1 of track is docked with III 3-3 of track, flat car 2
It can enter in electric drying oven with forced convection 3 along track, after completing activation, flat car 2 is retracted along track and with activation pot
Onto trolley 1.
Electric drying oven with forced convection 3, which is equipped with, is used for I 3-1 of chamber door passed through of flat car 2 and the case passed through for I 4-1 of pipeline
II 3-2 of door.II 3-2 of chamber door is flexibly connected with 3 cabinet of electric drying oven with forced convection, and what middle part was formed with that I 4-1 of pipeline passes through passes through
Through-hole.When work, when flat car 2 is entered in electric drying oven with forced convection 3 with activation pot 4, the other end of I 4-1 of pipeline passes through case
Through hole in the middle part of II 3-2 of door is connect by connector 8 with pipeline II 9 after stretching out outside electric drying oven with forced convection 3.
Activation pot 4 is for filling molecular sieve, and molecular sieve is admitted in activation pot by switchable door, one end of activation pot 4
It is connected with I 4-1 of pipeline.Activation pot 4 is mounted on flat car 2, and is fixed by curved support frame 2-1 support.Activation pot 4
Be equipped with filter screen 4-2 with the connectivity part of I 4-1 of pipeline, prevent vacuumize replace and draw water steam with nitrogen when, by molecular sieve band
Out, it on the one hand avoids waste, is on the other hand also prevented from the blocking of pipeline.
One end of I 4-1 of pipeline welds together with activation pot 4, and the other end passes through connection after passing through electric drying oven with forced convection 3
Part 8 is connect with one end of pipeline II 9, and the other end of pipeline II 9 connects hand stop valve 7, and pipeline II 9 is equipped with vacuum pressure
Table 5 and valve 6 are formed with vacuum pump connector 9-1 and source nitrogen connector 9-2 between valve 6 and hand stop valve 7.
Preferred valve 6 uses HFK valve.
The course of work of the utility model is:
1, molecular sieve is fitted into activation pot 4 first, then pushes trolley 1, along track I 10 to electric drying oven with forced convection
3 is mobile, and after II 1-1 of track is docked with III 3-3 of track, flat car and activation pot are sent into electric drying oven with forced convection 3 along track
Interior, one end of I 4-1 of pipeline passes through connector 8 after stretching out outside electric drying oven with forced convection 3 by the through hole in the middle part of II 3-2 of chamber door
It is connect with pipeline II 9.
2, vacuum pump connector is controlled by hand stop valve 7 to open, to vacuumizing inside activation pot 4, after vacuumizing, close
Vacuum pump connector is closed, source nitrogen connector is opened, to progress nitrogen displacement in activation pot 4.In work beginning and activation process
In, by the opening and closing of hand stop valve 7, the replaceable and tank connected vacuum pump of activation and source nitrogen pass through pressure vacuum gauge 5
It can be observed to activate the vacuum degree and pressure condition inside tooling 4.
3, close source nitrogen connector, starting electric drying oven with forced convection 3 switch, heat up, maintain the temperature at 450 DEG C it is right
Activation pot is heated, and the vapor of generation is entered in pipeline II 9 by I 4-1 of pipeline, has been seen whether by hand stop valve
Water generates, and is drained by hand stop valve.
4,4 internal pressure situation of activation pot is observed by pressure vacuum gauge 5 at any time, controls pressure gauge always in range of negative pressure
It is interior, guarantee molecular sieve absorption nitrogen, gives off moisture, because nitrogen is very easy to exclude in subsequent vacuumize, the short time
Inside reach estimated vacuum degree.
5, molecular sieve activation technical process are as follows: continuous heating → vacuumizing → fills nitrogen (pressure is less than 0.1MPa) → row
Discharge water → continuous heating.
6, displacement is regarded as sufficiently without the time of tide is become without visualizing liquid or by dry paper closure nozzle when discharged, then exist
(continuous heating → vacuumizing → fills nitrogen (pressure is less than 0.1MPa) → discharge water) is recycled twice.
Claims (6)
1. a kind of molecular sieve activation device, it is characterised in that: by trolley (1), flat car (2), electric drying oven with forced convection (3),
Activation pot (4), pressure vacuum gauge (5), valve (6) and hand stop valve (7) are constituted；Electric drying oven with forced convection (3), which is equipped with, to be used
The chamber door I (3-1) passed through in flat car (2) and the chamber door II (3-2) passed through for pipeline I (4-1)；Flat car (2) is mounted on
On trolley (1), activation pot (4) is mounted on flat car (2), is sent flat car (2) and activation pot (4) by trolley (1)
Enter in electric drying oven with forced convection (3), activation pot (4) one end is connected with pipeline I (4-1), and activation pot (4) enters electric heating forced air drying
After case (3), after the other end for the pipeline I (4-1) connecting with activation pot (4) passes through electric drying oven with forced convection (3) chamber door II (3-2)
It is connect by connector (8) with one end of pipeline II (9), the other end of pipeline II (9) connects hand stop valve (7), pipeline II
(9) it is equipped with pressure vacuum gauge (5) and valve (6), is formed with vacuum pump connector between valve (6) and hand stop valve (7)
(9-1) and source nitrogen connector (9-2).
2. a kind of molecular sieve activation device according to claim 1, which is characterized in that be equipped with track I (10), track I
(10) corresponding with electric drying oven with forced convection (3) I (3-1) of chamber door, trolley (1) is dry relative to electric heating air blast along track I (10)
Dry case (3) is mobile.
3. a kind of molecular sieve activation device according to claim 1, which is characterized in that trolley (1) is equipped with track II
Trolley (1) is stretched out in (1-1), the one end (1-1) of track II；The bottom of electric drying oven with forced convection (3) inner cavity is equipped with III (3- of track
3), track II (1-1) and track III (3-3) are flexibly connected.
4. a kind of molecular sieve activation device according to claim 1, which is characterized in that flat car (2) both sides of the upper end is set
There is the curved support frame (2-1) for fixing activation pot (4).
5. a kind of molecular sieve activation device according to claim 1, which is characterized in that the chamber door II (3-2) and electricity
Hot blast drying box (3) cabinet is flexibly connected, and middle part is formed with the through hole that pipeline I (4-1) passes through.
6. a kind of molecular sieve activation device according to claim 1, which is characterized in that activation pot (4) and pipeline I (4-1)
Connectivity part be equipped with filter screen (4-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821998274.4U CN209188798U (en) | 2018-11-30 | 2018-11-30 | Molecular sieve activation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821998274.4U CN209188798U (en) | 2018-11-30 | 2018-11-30 | Molecular sieve activation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209188798U true CN209188798U (en) | 2019-08-02 |
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ID=67427032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201821998274.4U Active CN209188798U (en) | 2018-11-30 | 2018-11-30 | Molecular sieve activation device |
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| CN (1) | CN209188798U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112897545A (en) * | 2021-01-19 | 2021-06-04 | 无锡市三晓新材料有限公司 | Production device of molecular sieve activated powder |
-
2018
- 2018-11-30 CN CN201821998274.4U patent/CN209188798U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112897545A (en) * | 2021-01-19 | 2021-06-04 | 无锡市三晓新材料有限公司 | Production device of molecular sieve activated powder |
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