CN109386729A - A kind of pearlife fill system and its fill method - Google Patents
A kind of pearlife fill system and its fill method Download PDFInfo
- Publication number
- CN109386729A CN109386729A CN201811436067.4A CN201811436067A CN109386729A CN 109386729 A CN109386729 A CN 109386729A CN 201811436067 A CN201811436067 A CN 201811436067A CN 109386729 A CN109386729 A CN 109386729A
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- vessel
- filled
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Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 101100041681 Takifugu rubripes sand gene Proteins 0.000 claims abstract description 21
- 239000004576 sand Substances 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims description 37
- 239000011229 interlayer Substances 0.000 claims description 33
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 7
- 238000010926 purge Methods 0.000 claims description 7
- 241000459479 Capsula Species 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 3
- 235000019362 perlite Nutrition 0.000 claims description 3
- 239000010451 perlite Substances 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000018044 dehydration Effects 0.000 abstract description 4
- 238000006297 dehydration reaction Methods 0.000 abstract description 4
- 238000005429 filling process Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000021186 dishes Nutrition 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/12—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge with provision for thermal insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/001—Thermal insulation specially adapted for cryogenic vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/03—Thermal insulations
- F17C2203/0304—Thermal insulations by solid means
- F17C2203/0337—Granular
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/23—Manufacturing of particular parts or at special locations
- F17C2209/238—Filling of insulants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
Abstract
A kind of pearlife fill system and its fill method, including vacuum evacuation device, drain sump, heater, dehydrater, air supply device；The gas outlet of the air supply device is connected by the air inlet of pipeline and dehydrater, the gas outlet of dehydrater is connected by the air inlet of pipeline and heater, the gas outlet of heater is connect by pipeline with the air inlet of drain sump lower part, the sand export of dehydration pot bottom is connect by pipeline with the sand inlet of low-temperature (low temperature) vessel to be filled, and the vacuum orifice of low-temperature (low temperature) vessel to be filled is connect by pipeline with vacuum evacuation device；Pipeline between the dehydrater and heater is equipped with pressure reducing valve, and pressure reducing valve both ends are respectively equipped with the first valve and the second valve；The drain sump top is equipped with gas outlet.The problem of the present invention overcomes conventional low vessel filling pearlife moisture-sensitives, charging efficiency are high, and filling effect is good and not moisture-sensitive；Structure is simple, easy to operate, and manufacture use cost is low.
Description
Technical field
The invention belongs to pearlife filling technique field, in particular to a kind of pearlife fill system and its fill method.
Background technique
Wall temperature is in -20 DEG C of pressure vessels below when low-temperature (low temperature) vessel refers to work.Liquefied ethylene, liquefied natural gas, liquid nitrogen
Storage and container for transportation with liquid hydrogen etc. belong to low-temperature pressure container, and the application range of low-temperature (low temperature) vessel is increasingly extensive, specification and
Model is also constantly updated.At present low-temperature (low temperature) vessel pearlife filling there is in low efficiency, filling process pearlife leakage it is larger and
The problems such as there are environmental pollutions.Pearlife fill method has two kinds at present.
First method is the interlayer that packed pearlife is directly filled in low-temperature (low temperature) vessel, although this method does not need to make
Tooling is made, but the easy moisture absorption of pearlife in the filling process, and there is a problem of that leakage is larger, it is easy according at environmental pollution；Together
When, charging efficiency is lower, it is difficult to realize the upgrading of container and the production of large-scale low-temperature container.
Second method is to store pearlife using by storage tank, is connected with tank body realization pearlife when filling by hose
Filling.Although this method can solve is easy the problem of revealing in pearlife filling process, but if pearlife manufactory
Family is with low-temperature (low temperature) vessel manufacturing firm apart from farther out, and haulage time is longer, and the easy moisture absorption of pearlife, is not easy when vacuumizing in transportational process
Reach vacuum degree as defined in standard.It repeats to transport additionally there are storage tank, the larger problem of expense.
Summary of the invention
In view of technical problem present in background technique, a kind of pearlife fill system provided by the present invention and its filling
The problem of method, the present invention overcomes conventional low vessel filling pearlife moisture-sensitives, charging efficiency are high, and filling effect is good and not
Moisture-sensitive；Structure is simple, easy to operate, and manufacture use cost is low.
In order to solve the above-mentioned technical problem, this invention takes following technical solutions to realize:
A kind of pearlife fill system, including low-temperature (low temperature) vessel to be filled, vacuum evacuation device, drain sump, heater, dehydrater, give
Wind apparatus；The gas outlet of the air supply device is connected by the air inlet of pipeline and dehydrater, and the gas outlet of dehydrater passes through pipe
The gas outlet of the connection of the air inlet of road and heater, heater is connect by pipeline with the air inlet of drain sump lower part, drain sump
The sand export of bottom is connect by pipeline with the sand inlet of low-temperature (low temperature) vessel to be filled, and the vacuum orifice of low-temperature (low temperature) vessel to be filled passes through
Pipeline is connect with vacuum evacuation device；Pipeline between the dehydrater and heater is equipped with pressure reducing valve, and pressure reducing valve both ends are set respectively
There are the first valve and the second valve；The drain sump top is equipped with gas outlet.
In preferred scheme, the drain sump is provided with pearlife, and drain sump inner top is equipped with pipeline and and drain sump
Gas outlet connection, lower disposed has heating pipe in drain sump, and heating pipe is connected to the air inlet of drain sump；Drain sump
Third valve is equipped at air inlet, the gas outlet of drain sump is connect by pipeline with the 4th valve；Drain sump gas outlet and the 4th
Pipeline between the pipeline of valve and third valve and heater is connected to by branch pipe, and the branch pipe is equipped with the 5th valve.
In preferred scheme, pipeline between the sand export of dehydration pot bottom and the sand inlet of low-temperature (low temperature) vessel to be filled
Equipped with the 6th valve, pipeline is connected with emptying branch pipe, the emptying between the 6th valve and the sand inlet of low-temperature (low temperature) vessel to be filled
Branch pipe is equipped with the 7th valve.
In preferred scheme, there is mouth on the capsula interna upper vessel portion of the low-temperature (low temperature) vessel to be filled, the mouth is connected with pipe
Road is simultaneously drawn from low-temperature (low temperature) vessel shell to be filled, is drawn position and is equipped with the 8th valve；8th valve passes through pipeline and heater
Gas outlet connection, between the 8th valve and heater air outlet pipeline and the 6th valve and low-temperature (low temperature) vessel sand inlet to be filled it
Between pipeline by branch pipe be connected to, the branch pipe be equipped with the 9th valve.
In preferred scheme, the air supply device is oilless air compressor, the dielectric gas compressed be nitrogen or
Air, heater body are equipped with heating device；Pressure reducing valve is leading gas pressure reducing valve；Vacuum means are set to water ring vacuum pump.
In preferred scheme, the dehydration tank wall is equipped with pressure gauge and Humidity Detection instrument, and the 4th valve export is set
There is temperature-detecting device.
In preferred scheme, the pipeline between the vacuum evacuation device and low-temperature (low temperature) vessel vacuum orifice to be filled is equipped with the
Ten valves, the pipeline between the tenth valve and low-temperature (low temperature) vessel vacuum orifice to be filled, which is equipped with, empties branch pipe, on the emptying branch pipe
Equipped with the 11st valve.
In preferred scheme, the capsula interna container bottom of the low-temperature (low temperature) vessel to be filled is equipped with mouth, and the mouth passes through pipeline
It is drawn from filling low-temperature (low temperature) vessel shell, and is equipped with the 12nd valve in the extraction location.
In preferred scheme, a kind of fill method of pearlife fill system includes the following steps:
Step 1, purging: pearlife fill system opens air supply device and all valves before use, first carry out the purging of system,
Low-temperature (low temperature) vessel to be filled and whole system are detached from this time；
Step 2, drying: the dielectric gas that heater conveys air supply device heats, low-temperature (low temperature) vessel to be filled and entire
System connection；Its temperature heated is 200 degrees Celsius or more, and to the folder of pearlife and low-temperature (low temperature) vessel to be filled in drain sump
Layer is dried；The valve of entire pearlife fill system is opened at this time；
Step 3, drain sump is since drying course can generate steam, the 4th valve discharge that steam is connected to from drain sump top, this
Process monitors temperature, humidity and pressure condition in drain sump at any time；
Step 4 vacuumizes: after the interlayer drying of pearlife and low-temperature (low temperature) vessel to be filled in drain sump, starting vacuum evacuation device
The interlayer of low-temperature (low temperature) vessel to be filled being vacuumized, at this time the tenth valve and the 11st valve opening, other valves are turned off,
And air supply device and heater stop；
Step 5 stops vacuumizing, closing vacuumizes when the vacuum degree in low-temperature (low temperature) vessel interlayer to be filled reaches 100 to 150Pa
Device, and close the tenth valve and the 11st valve；
Filling: step 6 opens the 6th valve and the 5th valve, the first valve, the second valve and pressure reducing valve are opened at this time for state
It opens, other valves are turned off；And air supply device and heater are opened；
When the filling time reaching certain time, the 6th valve and air supply device are closed, opens vacuum evacuation device and the tenth valve
With the 11st valve, the interlayer of low-temperature (low temperature) vessel to be filled is carried out again to vacuumize a period of time；
Then it is again turned on the 6th valve and air supply device, vacuum evacuation device and the tenth valve and the 11st valve is closed, treats
The interlayer of filling low-temperature (low temperature) vessel is filled certain time；
Step 7 is iteratively repeated step 6, and low-temperature (low temperature) vessel interlayer to be filled forms negative pressure of vacuum suction, drain sump during this
Top forms positive pressure pressure, while pearlife being inserted in low-temperature (low temperature) vessel interlayer to be filled, until low-temperature (low temperature) vessel to be filled presss from both sides
Layer pearlife filling is completed；
The filling of pearlife later period: step 8 is opened vacuum evacuation device to low-temperature (low temperature) vessel interlayer vacuum-pumping to be filled, is vacuumized every time
After a period of time, opens vacuum evacuation device and pressurize to low-temperature (low temperature) vessel interlayer to be filled, after pressurization for several times, then vacuumize one section every time
Time fills the perlite several seconds, until low-temperature (low temperature) vessel Sandwich filling to be filled expires pearlife.
This patent can reach it is following the utility model has the advantages that
1, the purging before use of the present invention can be purged the impurity of each device and pipeline, avoid low-temperature (low temperature) vessel to be filled
Enter impurity in interlayer, affects cold insulation effect；
2, the present invention not only can carry out heating and dehumidification to pearlife to be filled, moreover it is possible to carry out to low-temperature (low temperature) vessel interlayer to be filled
Drying improves the quality of pearlife filling；
3, vacuum evacuation device vacuumizes low-temperature (low temperature) vessel interlayer to be filled, and vacuum suction fills pearlife, avoids
Filling process pearlife absorbs the moisture of air, influences filled cold insulation effect；
4, the dielectric gas that heater comes out can be passed directly to the top inside drain sump, accelerate the speed of pearlife filling
Degree, improves charging efficiency；
5, Humidity Detection instrument and temperature-detecting device are able to detect system temperature and humidity condition, provide and sentence to operator
Other parameter；
6, the problem of overcoming conventional low vessel filling pearlife moisture-sensitive, charging efficiency of the present invention is high, filling effect it is good and
Not moisture-sensitive；
7, structure is simple, easy to operate, and manufacture use cost is low.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is process flow chart of the invention.
In figure: vacuum evacuation device 1, drain sump 2, heating pipe 201, pressure gauge 202, Humidity Detection instrument 203, temperature inspection
Survey device 204, heater 3, dehydrater 4, air supply device 5, low-temperature (low temperature) vessel to be filled 6, pressure reducing valve 7, the first valve 801, second
Valve 802, third valve 803, the 4th valve 804, the 5th valve 805, the 6th valve 806, the 7th valve 807, the 8th valve
808, the 9th valve 809, the tenth valve 810, the 11st valve 811, the 12nd valve 812.
Specific embodiment
Preferred scheme is as shown in Figure 1, a kind of pearlife fill system, including low-temperature (low temperature) vessel to be filled 6, vacuum evacuation device
1, drain sump 2, heater 3, dehydrater 4, air supply device 5；
The gas outlet of the air supply device 5 is connect by pipeline with the air inlet of dehydrater 4, and the gas outlet of dehydrater 4 passes through pipe
Road is connect with the air inlet of heater 3, and the gas outlet of heater 3 is connect by pipeline with the air inlet of 2 lower part of drain sump, is dehydrated
The sand export 201 of 2 bottom of tank is connect by pipeline with the sand inlet of low-temperature (low temperature) vessel 6 to be filled, and the pumping of low-temperature (low temperature) vessel 6 to be filled is true
It eats dishes without rice or wine to connect by pipeline with vacuum evacuation device 1；
Pipeline between the dehydrater 4 and heater 3 is equipped with pressure reducing valve 7, and 7 both ends of pressure reducing valve are respectively equipped with the first valve 801
With the second valve 802；2 top of drain sump is equipped with gas outlet；
The pipeline of back-up sand is all made of DN40 stainless steel tube and is made in pipeline described above；The pipeline of gas circuit is all made of the steel of DN25
Pipe is made；
The pressure reducing valve 7 plays the role of reducing by 5 outlet pressure of air supply device to equipment design pressure；First valve, 801 He
Second valve 802 uses when overhauling convenient for pressure reducing valve 7.
Preferred scheme as shown in Figure 1, drain sump 2 is provided with pearlife, 2 inner top of drain sump be equipped with pipeline and with dehydration
The gas outlet of tank 2 is connected to, and lower disposed has heating pipe 201, the air inlet company of heating pipe 201 and drain sump 2 in drain sump 2
It is logical；Third valve 803 is equipped at the air inlet of drain sump 2, the gas outlet of drain sump 2 is connect by pipeline with the 4th valve 804；
The pipeline of 2 gas outlet of drain sump and the 4th valve 804 is connected to the pipeline between third valve 803 and heater 3 by branch pipe,
The branch pipe is equipped with the 5th valve 805.
Preferred scheme as shown in Figure 1, the sand inlet of the sand export 201 of 2 bottom of drain sump and low-temperature (low temperature) vessel 6 to be filled it
Between pipeline be equipped with the 6th valve 806, pipeline is connected with emptying between the 6th valve 806 and the sand inlet of low-temperature (low temperature) vessel to be filled 6
Branch pipe, the emptying branch pipe are equipped with the 7th valve 807.
As shown in Figure 1, there is mouth on the capsula interna upper vessel portion of low-temperature (low temperature) vessel to be filled 6, the mouth is connected with preferred scheme
Pipeline is simultaneously drawn from 6 shell of low-temperature (low temperature) vessel to be filled, is drawn position and is equipped with the 8th valve 808；8th valve 808 passes through pipeline
It is connect with the gas outlet of heater 3, pipeline and the 6th valve 806 and to be filled between 3 gas outlet of the 8th valve 808 and heater
Pipeline is connected to by branch pipe between 6 sand inlet of low-temperature (low temperature) vessel, and the branch pipe is equipped with the 9th valve 809.
For preferred scheme as shown in Figure 1, the air supply device 5 is oilless air compressor, the dielectric gas compressed is nitrogen
Or air, heating device is equipped with inside heater 3, electric heater unit can be used in the heating device, and value and power reference is
60KW；Pressure reducing valve 7 is leading gas pressure reducing valve；Vacuum evacuation device 1 is water ring vacuum pump.
Preferred scheme is as shown in Figure 1,2 outer wall of drain sump is equipped with pressure gauge 202 and Humidity Detection instrument 203, the 4th valve
804 outlet of door is equipped with temperature-detecting device 204；The pressure gauge 202, Humidity Detection instrument 203 and temperature-detecting device 204 are equal
The instrument of local panel pointer-type can be used.
Preferred scheme is as shown in Figure 1, the pipeline between 6 vacuum orifice of vacuum evacuation device 1 and low-temperature (low temperature) vessel to be filled is set
There is the tenth valve 810, the pipeline between 6 vacuum orifice of the tenth valve 810 and low-temperature (low temperature) vessel to be filled is equipped with emptying branch pipe, described
It empties branch pipe and is equipped with the 11st valve 811.
For preferred scheme as shown in Figure 1, the capsula interna container bottom of low-temperature (low temperature) vessel to be filled 6 is equipped with mouth, the mouth passes through pipe
Road is drawn from 6 shell of low-temperature (low temperature) vessel to be filled, and is equipped with the 12nd valve 812 in the extraction location；
What needs to be explained here is that low-temperature (low temperature) vessel 6 to be filled is existing equipment, under the interior pouch container of low-temperature (low temperature) vessel 6 to be filled
Portion is equipped with discharge port, and top is equipped with exhausting pipeline, and the connection of the 12nd valve 812 is exactly 6 discharge port of low-temperature (low temperature) vessel to be filled, the
The connection of eight valves 808 is exactly the exhausting pipeline；By open the 8th valve 808 and the 12nd valve 812 can assist to
Fill 6 discharging of low-temperature (low temperature) vessel.
First valve 801 described above, the second valve 802, third valve 803, the 4th valve 804, the 5th valve
805, the 7th valve 807, the 8th valve 808, the tenth valve 810, the 11st valve 811 and the 12nd valve 812 are cut-off
Valve；6th valve 806 and the 9th valve 809 are ball valve.
Preferred scheme is as shown in Figure 1, a kind of fill method of pearlife fill system, includes the following steps:
Step 1, purging: pearlife fill system opens air supply device 5 and all valves before use, first carry out the purging of system
Door, low-temperature (low temperature) vessel 6 to be filled is detached from whole system at this time；
Step 2, drying: the dielectric gas that heater 3 conveys air supply device 5 heats, low-temperature (low temperature) vessel to be filled 6 with
Whole system connection；Its temperature heated is 200 degrees Celsius or more, and to the pearlife and low temperature to be filled appearance in drain sump 2
The interlayer of device 6 is dried；The valve of entire pearlife fill system is opened at this time；
The temperature-detecting device 204 for detecting the outlet of the 4th valve 804 shows to be dehydrated when temperature display is 150 degrees Celsius or more
Pearlife in tank 2, which is dried, to be completed；Humidity Detection instrument 203 is observed simultaneously and shows situation, does comprehensive analysis；
Step 3, drain sump 2 can generate steam, 804 row of the 4th valve that steam is connected to from 2 top of drain sump due to drying course
Out, this process monitors temperature, humidity and pressure condition in drain sump 2 at any time；
Step 4 vacuumizes: after the interlayer drying of pearlife and low-temperature (low temperature) vessel to be filled 6 in drain sump 2, starting vacuum means
The interlayer for setting 1 pair of low-temperature (low temperature) vessel 6 to be filled vacuumizes, and the tenth valve 810 and the 11st valve 811 are opened at this time, other
Valve is turned off, and air supply device 5 and heater 3 stop；
Step 5 stops vacuumizing when the vacuum degree in 6 interlayer of low-temperature (low temperature) vessel to be filled reaches 100 to 150Pa, close take out it is true
Empty device 1, and close the tenth valve 810 and the 11st valve 811；
Step 6, filling: opening the 6th valve 806 and the 5th valve 805, the first valve 801, the second valve 802 and subtracts at this time
Pressure valve 7 is state unlatching, other valves are turned off；And air supply device 5 and heater 3 are opened；
When the filling time reaching 100 seconds, the 6th valve 806 and air supply device 5 are closed, opens vacuum evacuation device 1 and the tenth valve
The 810 and the 11st valve 811 of door, carries out vacuumizing 30 minutes again to the interlayer of low-temperature (low temperature) vessel 6 to be filled；
Then it is again turned on the 6th valve 806 and air supply device 5, closes vacuum evacuation device 1 and the tenth valve 810 and the 11st valve
Door 811, is filled the interlayer of low-temperature (low temperature) vessel 6 to be filled 100 seconds；
Step 7 is iteratively repeated step 6, and 6 interlayer of low-temperature (low temperature) vessel to be filled forms negative pressure of vacuum suction during this, is dehydrated
Positive pressure pressure is formd at the top of tank 2, while pearlife being inserted in 6 interlayer of low-temperature (low temperature) vessel to be filled；
Step 8, the filling of pearlife later period are opened vacuum evacuation device 1 to 6 interlayer vacuum-pumping of low-temperature (low temperature) vessel to be filled, are taken out every time true
It after 30 minutes empty, open vacuum evacuation device 1 and pressurizes to 6 interlayer of low-temperature (low temperature) vessel to be filled, after pressurization 3 times, then vacuumize 30 every time
Minute filling perlite 70 seconds, until 6 Sandwich filling of low-temperature (low temperature) vessel to be filled expires pearlife.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as limitation of the invention, this hair
Bright protection scope should be with the technical solution of claim record, technical characteristic in the technical solution recorded including claim
Equivalents are protection scope.Equivalent replacement i.e. within this range is improved, also within protection scope of the present invention.
Claims (9)
1. a kind of pearlife fill system, including low-temperature (low temperature) vessel to be filled (6), it is characterised in that: further include vacuum evacuation device
(1), drain sump (2), heater (3), dehydrater (4), air supply device (5)；
The gas outlet of the air supply device (5) is connect by pipeline with the air inlet of dehydrater (4), the gas outlet of dehydrater (4)
Connect by pipeline with the air inlet of heater (3), the gas outlet of heater (3) by pipeline and drain sump (2) lower part into
The sand export (201) of port connection, drain sump (2) bottom is connect by pipeline with the sand inlet of low-temperature (low temperature) vessel to be filled (6), to
The vacuum orifice of filling low-temperature (low temperature) vessel (6) is connect by pipeline with vacuum evacuation device (1)；
Pipeline between the dehydrater (4) and heater (3) is equipped with pressure reducing valve (7), and pressure reducing valve (7) both ends are respectively equipped with first
Valve (801) and the second valve (802)；Drain sump (2) top is equipped with gas outlet.
2. a kind of pearlife fill system according to claim 1, it is characterised in that: drain sump (2) is provided with pearlife,
Drain sump (2) inner top is equipped with pipeline and is connected to the gas outlet of drain sump (2), and drain sump (2) interior lower disposed has heating tube
Road (201), heating pipe (201) are connected to the air inlet of drain sump (2)；Third valve is equipped at the air inlet of drain sump (2)
(803), the gas outlet of drain sump (2) is connect by pipeline with the 4th valve (804)；Drain sump (2) gas outlet and the 4th valve
(804) pipeline between pipeline and third valve (803) and heater (3) is connected to by branch pipe, and the branch pipe is equipped with the
Five valves (805).
3. a kind of pearlife fill system according to claim 1, it is characterised in that: the sand export of drain sump (2) bottom
(201) between the sand inlet of low-temperature (low temperature) vessel to be filled (6) pipeline be equipped with the 6th valve (806), the 6th valve (806) with wait fill out
It fills pipeline between the sand inlet of low-temperature (low temperature) vessel (6) and is connected with emptying branch pipe, the emptying branch pipe is equipped with the 7th valve (807).
4. a kind of pearlife fill system according to claim 1,2 or 3, it is characterised in that: low-temperature (low temperature) vessel (6) to be filled
Capsula interna upper vessel portion on have a mouth, the mouth is connected with pipeline and draws from low-temperature (low temperature) vessel to be filled (6) shell, draws position
Equipped with the 8th valve (808)；8th valve (808) is connect by pipeline with the gas outlet of heater (3), the 8th valve (808)
Pipeline passes through between pipeline and the 6th valve (806) and low-temperature (low temperature) vessel to be filled (6) sand inlet between heater (3) gas outlet
Branch pipe connection, the branch pipe are equipped with the 9th valve (809).
5. a kind of pearlife fill system according to claim 1, it is characterised in that: the air supply device (5) is oil-free
Air compressor machine, the dielectric gas compressed are nitrogen or air, are equipped with heating device inside heater (3)；Pressure reducing valve (7) is guide
Formula gas pressure reducer；Vacuum evacuation device (1) is water ring vacuum pump.
6. a kind of pearlife fill system according to claim 1 or 2, it is characterised in that: drain sump (2) outer wall is equipped with pressure
Power table (202) and Humidity Detection instrument (203), the outlet of the 4th valve (804) are equipped with temperature-detecting device (204).
7. a kind of pearlife fill system according to claim 1, it is characterised in that: vacuum evacuation device (1) with it is to be filled
Pipeline between low-temperature (low temperature) vessel (6) vacuum orifice is equipped with the tenth valve (810), the tenth valve (810) and low-temperature (low temperature) vessel to be filled
(6) pipeline between vacuum orifice is equipped with emptying branch pipe, and the emptying branch pipe is equipped with the 11st valve (811).
8. a kind of pearlife fill system according to claim 1 or 2, it is characterised in that: low-temperature (low temperature) vessel (6) to be filled
Capsula interna container bottom is equipped with mouth, and the mouth is drawn by pipeline from filling low-temperature (low temperature) vessel (6) shell, and is set in the extraction location
There is the 12nd valve (812).
9. according to claim 1 to a kind of fill method of pearlife fill system described in 8 any one, including walking as follows
It is rapid:
Step 1, purging: pearlife fill system opens air supply device (5) and all valves before use, first carry out the purging of system
Door, low-temperature (low temperature) vessel (6) to be filled and whole system are detached from this time；
Step 2, drying: the dielectric gas that heater (3) conveys air supply device (5) heats, low-temperature (low temperature) vessel to be filled
(6) it is connect with whole system；Its temperature heated is 200 degrees Celsius or more, and to pearlife in drain sump (2) and to be filled
The interlayer of low-temperature (low temperature) vessel (6) is dried；The valve of entire pearlife fill system is opened at this time；
Step 3, drain sump (2) can generate steam, the 4th valve that steam is connected to from drain sump (2) top due to drying course
(804) it is discharged, this process monitors temperature, humidity and the pressure condition in drain sump (2) at any time；
Step 4 vacuumizes: after the interlayer drying of pearlife and low-temperature (low temperature) vessel to be filled (6) in drain sump (2), it is true to start pumping
Empty device (1) vacuumizes the interlayer of low-temperature (low temperature) vessel to be filled (6), at this time the tenth valve (810) and the 11st valve
(811) it opens, other valves are turned off, and air supply device (5) and heater (3) stop；
Step 5 stops vacuumizing when the vacuum degree in low-temperature (low temperature) vessel (6) interlayer to be filled reaches 100 to 150Pa, closes and takes out
Vacuum plant (1), and close the tenth valve (810) and the 11st valve (811)；
Filling: step 6 opens the 6th valve (806) and the 5th valve (805), at this time the first valve (801), the second valve
(802) and pressure reducing valve (7) is state unlatching, other valves are turned off；And air supply device (5) and heater (3) are opened；
When the filling time reaching certain time, the 6th valve (806) and air supply device (5) are closed, is opened vacuum evacuation device (1)
And the tenth valve (810) and the 11st valve (811), the interlayer of low-temperature (low temperature) vessel to be filled (6) is carried out vacuumizing one section again
Time；
Then be again turned on the 6th valve (806) and air supply device (5), close vacuum evacuation device (1) and the tenth valve (810) and
11st valve (811) is filled certain time to the interlayer of low-temperature (low temperature) vessel to be filled (6)；
Step 7 is iteratively repeated step 6, and low-temperature (low temperature) vessel (6) interlayer to be filled forms negative pressure of vacuum suction during this, takes off
Positive pressure pressure is formd at the top of water pot (2), while pearlife being inserted in low-temperature (low temperature) vessel to be filled (6) interlayer；
The filling of pearlife later period: step 8 opens vacuum evacuation device (1) to low-temperature (low temperature) vessel to be filled (6) interlayer vacuum-pumping, every time
After vacuumizing a period of time, opens vacuum evacuation device (1) and pressurize to low-temperature (low temperature) vessel to be filled (6) interlayer, after pressurization for several times, then often
It is secondary to vacuumize filling perlite several seconds a period of time, until low-temperature (low temperature) vessel to be filled (6) Sandwich filling expires pearlife.
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| CN201811436067.4A CN109386729A (en) | 2018-11-28 | 2018-11-28 | A kind of pearlife fill system and its fill method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811436067.4A CN109386729A (en) | 2018-11-28 | 2018-11-28 | A kind of pearlife fill system and its fill method |
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| CN201811436067.4A Pending CN109386729A (en) | 2018-11-28 | 2018-11-28 | A kind of pearlife fill system and its fill method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410660A (en) * | 2019-07-30 | 2019-11-05 | 南阳杜尔气体装备有限公司 | A kind of improved cryogenic tank pearlife packing method |
| CN110816912A (en) * | 2019-09-27 | 2020-02-21 | 新兴能源装备股份有限公司 | Method and device for filling pearlife |
| CN111947445A (en) * | 2020-08-20 | 2020-11-17 | 重庆恒中能源装备有限公司 | Pearlite sand drying and filling system |
| CN115031156A (en) * | 2022-05-09 | 2022-09-09 | 北京天海低温设备有限公司 | Automatic sand filling system of low-temperature storage tank |
| CN119508717A (en) * | 2024-11-22 | 2025-02-25 | 西安交通大学 | Liquid hydrogen storage tank based on hollow glass microspheres and hollow glass microsphere filling device and method |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02256999A (en) * | 1989-03-30 | 1990-10-17 | Kawasaki Heavy Ind Ltd | Perlite charging method in perlite vacuum heat insulated double shell storage tank |
| FR2720814A1 (en) * | 1995-06-02 | 1995-12-08 | Air Liquide | Inter=wall cavity filling procedure for twin=walled tank |
| CN101021209A (en) * | 2006-02-14 | 2007-08-22 | 中集车辆（集团）有限公司 | Vacuum-pumping method and apparatus thereof |
| CN101509597A (en) * | 2009-03-13 | 2009-08-19 | 山东宏达科技集团有限公司 | Method for filling sandwich layer thermal insulating material for deep cooling container and special filling apparatus |
| CN103047535A (en) * | 2012-12-21 | 2013-04-17 | 山东宏达科技集团有限公司 | Interlayer vacuumizing method for cryogenic vessel and special device thereof |
| CN103486433A (en) * | 2013-06-28 | 2014-01-01 | 苏州华福低温容器有限公司 | Method used for filling interlayer of cryogenic liquid storage tank with pearlife |
| CN104180157A (en) * | 2014-07-25 | 2014-12-03 | 武汉一冶钢结构有限责任公司 | Pearlife on-site foaming and filling system and method of large-type LNG double-layer spherical tank |
| CN204164650U (en) * | 2014-10-23 | 2015-02-18 | 山东金开实业集团有限公司 | Pearlife fills tamping unit |
| CN104495082A (en) * | 2014-12-19 | 2015-04-08 | 西安轨道交通装备有限责任公司 | Perlite filling method |
| CN104565803A (en) * | 2014-12-19 | 2015-04-29 | 西安轨道交通装备有限责任公司 | Perlite filling device |
| CN104913187A (en) * | 2015-06-02 | 2015-09-16 | 江西制氧机有限公司 | Low-temperature liquid storage tank vacuum interlayer pearlife filling technology |
| EP3293164A1 (en) * | 2016-09-13 | 2018-03-14 | Linde Aktiengesellschaft | Vacuum insulation with insulating fill made of blown perlite particles |
| CN209325395U (en) * | 2018-11-28 | 2019-08-30 | 宜昌江峡船用机械有限责任公司 | A kind of pearlife fill system |
-
2018
- 2018-11-28 CN CN201811436067.4A patent/CN109386729A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02256999A (en) * | 1989-03-30 | 1990-10-17 | Kawasaki Heavy Ind Ltd | Perlite charging method in perlite vacuum heat insulated double shell storage tank |
| FR2720814A1 (en) * | 1995-06-02 | 1995-12-08 | Air Liquide | Inter=wall cavity filling procedure for twin=walled tank |
| CN101021209A (en) * | 2006-02-14 | 2007-08-22 | 中集车辆（集团）有限公司 | Vacuum-pumping method and apparatus thereof |
| CN101509597A (en) * | 2009-03-13 | 2009-08-19 | 山东宏达科技集团有限公司 | Method for filling sandwich layer thermal insulating material for deep cooling container and special filling apparatus |
| CN103047535A (en) * | 2012-12-21 | 2013-04-17 | 山东宏达科技集团有限公司 | Interlayer vacuumizing method for cryogenic vessel and special device thereof |
| CN103486433A (en) * | 2013-06-28 | 2014-01-01 | 苏州华福低温容器有限公司 | Method used for filling interlayer of cryogenic liquid storage tank with pearlife |
| CN104180157A (en) * | 2014-07-25 | 2014-12-03 | 武汉一冶钢结构有限责任公司 | Pearlife on-site foaming and filling system and method of large-type LNG double-layer spherical tank |
| CN204164650U (en) * | 2014-10-23 | 2015-02-18 | 山东金开实业集团有限公司 | Pearlife fills tamping unit |
| CN104495082A (en) * | 2014-12-19 | 2015-04-08 | 西安轨道交通装备有限责任公司 | Perlite filling method |
| CN104565803A (en) * | 2014-12-19 | 2015-04-29 | 西安轨道交通装备有限责任公司 | Perlite filling device |
| CN104913187A (en) * | 2015-06-02 | 2015-09-16 | 江西制氧机有限公司 | Low-temperature liquid storage tank vacuum interlayer pearlife filling technology |
| EP3293164A1 (en) * | 2016-09-13 | 2018-03-14 | Linde Aktiengesellschaft | Vacuum insulation with insulating fill made of blown perlite particles |
| CN209325395U (en) * | 2018-11-28 | 2019-08-30 | 宜昌江峡船用机械有限责任公司 | A kind of pearlife fill system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410660A (en) * | 2019-07-30 | 2019-11-05 | 南阳杜尔气体装备有限公司 | A kind of improved cryogenic tank pearlife packing method |
| CN110816912A (en) * | 2019-09-27 | 2020-02-21 | 新兴能源装备股份有限公司 | Method and device for filling pearlife |
| CN111947445A (en) * | 2020-08-20 | 2020-11-17 | 重庆恒中能源装备有限公司 | Pearlite sand drying and filling system |
| CN115031156A (en) * | 2022-05-09 | 2022-09-09 | 北京天海低温设备有限公司 | Automatic sand filling system of low-temperature storage tank |
| CN119508717A (en) * | 2024-11-22 | 2025-02-25 | 西安交通大学 | Liquid hydrogen storage tank based on hollow glass microspheres and hollow glass microsphere filling device and method |
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Application publication date: 20190226 |