CN201368334Y - Limit filling device for low temperature liquid container and low temperature liquid container - Google Patents
Limit filling device for low temperature liquid container and low temperature liquid container Download PDFInfo
- Publication number
- CN201368334Y CN201368334Y CNU200920105415XU CN200920105415U CN201368334Y CN 201368334 Y CN201368334 Y CN 201368334Y CN U200920105415X U CNU200920105415X U CN U200920105415XU CN 200920105415 U CN200920105415 U CN 200920105415U CN 201368334 Y CN201368334 Y CN 201368334Y
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- Prior art keywords
- hole
- guide cylinder
- filling device
- liquid vessel
- cryogenic liquid
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- 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.)
- Expired - Fee Related
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- 239000007788 liquid Substances 0.000 title claims abstract description 118
- 238000005429 filling process Methods 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000011148 porous material Substances 0.000 abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 238000007599 discharging Methods 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 239000003949 liquefied natural gas Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000003912 environmental pollution Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a limit filling device for low temperature liquid container, which is arranged in a low temperature liquid container and comprises a guide cylinder with an inner cavity, a plurality of openings, a cover body, a plurality of pores and a floater, wherein the guide cylinder is provided with a first through hole positioned at the bottom; the openings are arranged on the wall part; the cover body is covered on the top end of the guide cylinder and is provided with a second through hole for filling liquid; the pores are arranged on the wall part of the second through hole and the floater is maintained on the inner cavity of the guide cylinder. Correspondingly, the utility model also discloses a low temperature liquid container provided with the limit filling device. The utility model can guarantee the safety and continuous filling of filling process of low temperature liquid and avoids low temperature liquid from leaking, saves energy source and is environmental protection.
Description
Technical field
The utility model relates to cryogenic liquid vessel, relates in particular to a kind of limit filling device and cryogenic liquid vessel that is used for cryogenic liquid vessel.
Background technique
Industrial cryogenic media commonly used, as liquid oxygen, liquid nitrogen, liquid argon, LNG (Liquefied Natural Gas, LNG Liquefied natural gas) equitemperature is lower, so the container of splendid attire cryogenic liquide is made up of inside and outside two-layer container usually at present, wherein interlayer adopts the vacuum insulation form, in order to the leaking heat of reduction environment to cryogenic liquide, thereby makes cryogenic liquide keep lower loss in storage and transportation process.
Because the temperature of cryogenic liquide is lower, is example with the liquid nitrogen, operating temperature about-196 ℃, because it is constantly vaporized in filling process, causes jar internal pressure to raise usually, as shown in Figure 1, so filling of common vacuum insulation vessel 10 all adopts discharging to fill.One side fills by topping up pipe 11, opens outlet valve 12 simultaneously, and the steam of draining in order to a reduction jar internal pressure, thereby keeps continuing to fill with filling the stable pressure reduction in source.Like this, a part of cryogenic liquide has just been wasted with the form of steam.
Simultaneously, consider and be vapor liquid equilibrium under the cryogenic liquide state of equilibrium, fullness rate for cryogenic liquide also has certain control, usually all show that by setting the survey full packages this jar is full of, promptly surveying has cryogenic liquide to flow out from liquid discharging valve 13 in the full packages, show jar to have reached the design fullness rate, needs then manually to close to fill the source valve, and the topping up valve on the low-temperature (low temperature) vessel, and then stop to fill.
Cryogenic liquide such as liquid nitrogen are to obtain liquid nitrogen through complicated manufacturing process, and the energy and expense additional in the conversion process are very high.At energy scarcity nowadays, under the overall situation of energy-conserving and environment-protective,, how fundamentally to improve it and fill the cryogenic liquide device for as why not wasting on the cryogenic liquide of cost great cost acquisition, thereby reach the purpose that does not waste energy, caused that the researcher pays close attention to widely.
Comprehensively above-mentioned, the problem that the technology that fills of existing cryogenic liquid vessel exists has: the first, the cryogenic gas discharging is arranged in filling process, and cause the waste of environmental pollution and cryogenic liquide; The second, when survey is full in the filling process, there is cryogenic liquide to flow out, cause the waste and the befouling environment of cryogenic liquide; The 3rd, in the topping up process, and need staff's operation of focusing one's attention on after being full of, in time close related valve, hommization is relatively poor; The 4th, Low Temperature Steam and fluid discharge are arranged, dangerous; The 5th, be that liquid discharging valve is forgotten and opened if survey full valve, may cause to overcharge, surpassing cryogenic liquid vessel safety liquid level, may cause the danger that builds the pressure and explode jar.Therefore, the cryogenic liquide of existing cryogenic liquid vessel fills technology, on reality is used, obviously has inconvenience and defective, so be necessary to be improved.
Summary of the invention
At above-mentioned defective, the purpose of this utility model is to provide a kind of limit filling device and cryogenic liquid vessel that is used for cryogenic liquid vessel, fills with realization the harmless of cryogenic liquide, and guarantees the Security of cryogenic liquide filling process.
In order to realize the foregoing invention purpose, the utility model provides a kind of limit filling device that is used for cryogenic liquid vessel, and described limit filling device is arranged in the described cryogenic liquid vessel, comprising: one has the guide cylinder of an inner chamber, be provided with first through hole, be positioned at the bottom; With a plurality of openings, be positioned at wall portion; One lid covers the top of described guide cylinder, is provided with second through hole that is used for topping up; With several apertures, be positioned at the wall portion of this second through hole, and a float, be maintained at the inner chamber of described guide cylinder.
Preferably, several liquid outlets opening setting obliquely on the described lid.Described liquid outlet is distributed in the periphery of second through hole.Described guide cylinder cooperates the liquid outlet of described lid to be provided with several openings.Described float is provided with third through-hole, aims at first through hole of described floater guiding tube bottom and second through hole of described lid respectively.Described float top have one with the corresponding vestibule of described second through hole.The aperture of described third through-hole is all less than the aperture of described second through hole and described vestibule.The external diameter of described float is provided with a plurality of seal rings, the internal diameter precision-fit of the external diameter of described seal ring and described guide cylinder.
In order to realize above-mentioned another goal of the invention, the utility model also provides a kind of cryogenic liquid vessel, comprises a liquid inlet pipe, is provided with limit filling device in the described cryogenic liquid vessel, comprises that one has the guide cylinder of an inner chamber, is provided with first through hole, is positioned at the bottom; With a plurality of openings, be positioned at wall portion; One lid covers the top of described guide cylinder, is provided with second through hole that is used to install described liquid inlet pipe; With several apertures, be positioned at the wall portion of second through hole; And a float, be maintained at the inner chamber of described guide cylinder.
Described cryogenic liquid vessel, several apertures opening setting obliquely on the wherein said lid.Described aperture is distributed in the periphery of second through hole.Described guide cylinder cooperates the aperture of described lid to be provided with several openings.
Described cryogenic liquid vessel, wherein said float is provided with third through-hole, aims at first through hole of described floater guiding tube bottom and second through hole of described lid respectively.Described float top have one with the corresponding vestibule of described second through hole.The aperture of described third through-hole is all less than the aperture of described second through hole and described vestibule.The external diameter of described float is provided with a plurality of seal rings; The internal diameter precision-fit of the external diameter of described seal ring and described guide cylinder.
The utility model is realized harmless filling by a limit filling device is set in cryogenic liquid vessel, this limit filling device comprises lid, guide cylinder and float; When the cryogenic liquide in described cryogenic liquid vessel was full of, described float was blocked the liquid outlet of lid, and pressure in the described cryogenic liquid vessel rises, and the source that fills of cryogenic liquide is sensed to close automatically behind the pressure reduction and filled valve and fill stopping.Whereby, limit filling device of the present utility model is no cryogenic liquide or cryogenic gas discharging in filling process, not only saved the energy but also avoided environmental pollution, and whole filling process is safer; When the cryogenic liquide of cryogenic liquid vessel is full of, the utility model will be realized closing automatically of related valve, it does not need staff's operation of focusing one's attention on, and need not to worry that the manual operation error causes builds the pressure and fried jar danger, so hommization is better and Security is better yet.
Description of drawings
Below in conjunction with accompanying drawing and detailed mode of execution the utility model is elaborated.
Fig. 1 is that cryogenic liquid vessel of the prior art fills structural representation;
Fig. 2 is the structural representation that fills of the cryogenic liquid vessel that provides of the utility model;
Fig. 3 is the structural representation of the limit filling device that provides of the utility model;
Fig. 4 is the structural representation of the guide cylinder that provides of the utility model;
Fig. 5 is the sectional drawing along the A-A line among Fig. 4;
Fig. 6 A is the structural representation of the lid that provides of the utility model;
Fig. 6 B is the sectional view along B-B line among Fig. 4 A;
Fig. 7 is the schematic representation that the utility model limit filling device is in the initial filled position of cryogenic liquide;
Fig. 8 is the schematic representation that the utility model limit filling device is in the critical filled position of cryogenic liquide.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Fig. 2 is the structural representation that fills of the utility model cryogenic liquid vessel, described cryogenic liquid vessel 20 comprises liquid inlet pipe 211 and the limit filling device 21 that is arranged in the cryogenic liquid vessel 20, and this limit filling device 21 is used for realizing that cryogenic liquide fills the harmless of cryogenic liquid vessel 20.Liquid inlet pipe 211 1 ends insert in the cryogenic liquid vessel 20, the other end connects a pneumatic pump 23, what this pneumatic pump 23 was arranged at cryogenic liquide fills source 22, pneumatic pump 23 is by the pressure change in the limit filling device 21 induction cryogenic liquid vessels 20, the control cryogenic liquide fill source 22 fill opening or closing of valve.
Fig. 3 is the structural representation of the limit filling device that provides of the utility model, limit filling device 21 is arranged in the cryogenic liquid vessel 20, comprise lid 212, guide cylinder 213 and float 214, wherein: lid 212 covers guide cylinder 213 tops, the bottom that guide cylinder 213 has an inner chamber and a guide cylinder 213 has first through hole, 2133, the first through holes 2133 can be allowed cryogenic liquid stream in the cryogenic liquid vessel 20 pass to by means of buoyancy to prop float 214.
Specifically, consult Fig. 4 and Fig. 5, be arranged at intervals with a plurality of walls 2131 on the guide cylinder 213, be used for spacing float 214, between a plurality of walls 2131, define a plurality of openings 2122, be used for discharging cryogenic liquide to tank body.
Shown in Fig. 6 A and Fig. 6 B, lid 212 is provided with on the wall of second through hole, 2121, the second through holes that are used for topping up and also is provided with some apertures 2122 that are used for fluid simultaneously.The orientation of this aperture need match with the opening 2132 of guide cylinder 213.Like this, when the liquid inlet pipe 211 of cryogenic liquid vessel 20 is socketed on second through hole 2121 with the input cryogenic liquide, be injected into the low-temperature (low temperature) vessel 20 by aperture 2122 and opening 2132 from the cryogenic liquide of second through hole, 2121 inputs, so that guide cylinder 213 internal pressures and cryogenic liquid vessel 20 internal pressure balances.In one embodiment, liquid inlet pipe 211 is welded to each other with lid 212, and lid 212 is welded to each other with guide cylinder 213.
Float 214 is maintained at the inner chamber of guide cylinder 213, and the internal diameter precision-fit of the external diameter of float 214 and guide cylinder 213.The bottom of guide cylinder 213 offers the plectane of first through hole 2133, in order to blocking float 214, thereby keeps float 214 always in guide cylinder 213, can not drop in the cryogenic liquid vessel 20.Float 214 can be along with the liquid level change of the cryogenic liquide in the cryogenic liquid vessel 20, inwall along guide cylinder 213 moves up and down, when the liquid level of the cryogenic liquide in the cryogenic liquid vessel 20 equals or is higher than predeterminedly when being full of liquid level, float 214 is blocked the aperture 2122 of lid 212.
Preferably, the preferred coaxial setting of the lid 212 of limit filling device 21, guide cylinder 213 and float 214 threes.The material of lid 212, guide cylinder 213 can be stainless steel or aluminium, and the material of float 214 is foamed polyurethane or multi cellular glass cotton.Cryogenic liquide then comprises: liquid oxygen, liquid nitrogen, liquid argon and LNG Liquefied natural gas etc.Guide cylinder 213 can weld at lid 212 places with lid 212.
In the embodiment that the utility model provides, limit filling device 21 is applied to cryogenic tank case, low-temperature storage tank and the low temperature cylinder less than 2000L.Based on safety, environmental protection, energy-conservation, and the hommization angle considers that the utility model provides a limit filling device 21 for cryogenic liquid vessel 20, the quick limit filling of realization nothing discharging.The utility model can be controlled the cryogenic liquide amount that charges into cryogenic liquid vessel 20 exactly by calculate determining the mounting point of limit filling device 21, stops the phenomenon that overcharges that may occur, thereby has prevented the possible dangerous phenomenon of overvoltage as fried jar etc.Realize harmless filling, need not be provided with or close outlet valve and survey full valve that therefore do not have cryogenic liquide or gas purging, non-environmental-pollution has been saved the energy simultaneously.
Referring to Fig. 3～shown in Figure 6, the preferably opening setting obliquely of several apertures 2122 on the lid 212, and aperture 2122 is distributed in the periphery of second through hole 2121.Aperture 2122 apertures keep certain orientation to make cold cryogenic liquide spray obliquely upward, be used for fully mixing with the Low Temperature Steam that is positioned at cryogenic liquid vessel 20 inner and upper, thereby make Low Temperature Steam be cooled to cryogenic liquide once more, thereby reduce cryogenic liquid vessel 20 internal pressures, continue to fill.Guide cylinder 213 cooperates the opening 2122 of lids 212 to be provided with several grooves 2132, with so that cryogenic liquide can be ejected in the cryogenic liquid vessel 20.
Better, the external diameter of float 214 is provided with a plurality of seal rings, and the internal diameter precision-fit of the external diameter of seal ring and guide cylinder 213 is when reducing float 214 motions and guide cylinder 213 inwall contact friction resistances.In a specific embodiment of the present utility model, float 214 is the polyurethane of foaming in the thin stainless steel cylinder, and 214 of floats are processed with two-layer seal ring outward.
In the utility model, select the size of suitable float 214 by calculating, thereby to guarantee being filled into the purpose that can realize limit filling when being scheduled to be full of liquid level to the enough big buoyancy of float 214 generations at cryogenic liquide.As shown in Figure 7, when limit filling device 21 when liquid level is initial liquid level position, the filling source 22 and can begin to continue to fill cryogenic liquide of cryogenic liquide to cryogenic liquid vessel 20.As shown in Figure 8, when limit filling device 21 when liquid level reaches critical (being full of) liquid level position of setting, can produce the signal that pressure increases suddenly, after pneumatic pump 23 is as shown in Figure 2 sensed the pressure increase, thereby the source that the fills pump of cutting out cryogenic liquide fills stopping, the source 22 that fills of cryogenic liquide can be far away from cryogenic liquid vessel 20, realizes long-range filling.
Be example with the cryogenic liquide liquid nitrogen below, specify the process that the utility model fills cryogenic liquide:
The overcooled liquid of certain pressure upwards sprays by the aperture on the lid 212 2122 from liquid inlet pipe 211, and similar fountain enters in the cryogenic liquid vessel 20.The overcooled liquid that sprays into is cooled to cryogenic liquide once more to the Low Temperature Steam on cryogenic liquid vessel 20 tops and falls into cryogenic liquid vessel 20 bottoms, thereby reduced the vapor pressure in the cryogenic liquid vessel 20, can keep filling the pressure reduction in source 22 and the cryogenic liquid vessel 20, continue to fill and do not need to discharge Low Temperature Steam thereby keep.Rising along with liquid level in the cryogenic liquid vessel 20, make float 214 upwards float gradually, float 214 moves upward along guide cylinder 213 inwalls, when rising to, float 214 sets when being full of liquid level, float 214 is blocked the aperture 2122 on the lid 212, being subjected to very big obstruction from the cryogenic liquide of liquid inlet pipe 211 can't spray in the cryogenic liquid vessel 20 by aperture 2122, thereby can't cool off the Low Temperature Steam on cryogenic liquid vessel 20 tops, do not reach the purpose that reduces vapor pressure in the cryogenic liquid vessel 20, this moment is because the cryogenic liquide gasification is very fast, make the vapor pressure in the cryogenic liquid vessel 20 rise very fast, thereby produce the nearly pressure reduction of 2～5kg rapidly, the pneumatic pump 23 that fills the source cuts off supply automatically when experiencing so bigger pressure reduction, thereby realizes spacing harmless filling.
In case liquid is used, the liquid level of the cryogenic liquide in the cryogenic liquid vessel 20 reduces, and float 214 is not owing to there is enough buoyancy to move downward along guide cylinder 213 inwalls, if cryogenic liquide is used up, then float 214 is with on guide cylinder 213 base plates of falling.This shows that limit filling device 21 can can't harm limit filling repeatedly, float 214 all can guarantee stable cut-out function.
In sum, the utility model limit filling device can be realized harmless fill of cryogenic liquide in cryogenic liquid vessel, and concrete advantage is as follows: at first, the filling rate requirement that limit filling device can be different according to the client is made to measure under security situation.This limit filling device can guarantee that the fullness rate of the liquid that charges into is no more than the maximum filling rate of designing requirement, thus overcharging of avoiding that routine may cause in filling and cause that container builds the pressure, fried jar danger.Secondly, limit filling device is because filling pressure is higher, and the speed that fills is very fast, and for less than the cryogenic liquid vessel about 2000L, the time of filling is generally 3～20 minutes and gets final product.Moreover limit filling device can be realized not having discharging and fill, and meets the green environment requirement of energy-conserving and environment-protective, especially may cause the expensive cryogenic liquide of environmetal impact for some, even because discharge of steam also can cause burning, blast has increased safety reliability especially.And the container of the limit filling device that employing the utility model provides can be realized long-range filling, and need not operator's supervision, more hommization.In addition, the limit filling device reliable in structure can realize the repeated multiple times use, and the limit filling device structure is light and handy, and size is little, and parts are few, and easy processing is reliable under the low temperature, and can the splendid attire volume of container not impacted.
Though should be pointed out that by above-mentioned mode of execution the utility model is described, yet the utility model also can have other numerous embodiments.Under the prerequisite that does not break away from the utility model spirit and scope; those of ordinary skill in the art obviously can make various corresponding changes and distortion to the utility model, but these changes and distortion all should belong in the scope that the utility model claims and equivalent thereof protect.
Claims (16)
1, a kind of limit filling device that is used for cryogenic liquid vessel is characterized in that, described limit filling device is arranged in the described cryogenic liquid vessel, comprising:
One has the guide cylinder of an inner chamber, is provided with
First through hole is positioned at the bottom; With
A plurality of openings are positioned at wall portion;
One lid covers the top of described guide cylinder, is provided with
One is used for second through hole of topping up; With
Several apertures are positioned at the wall portion of this second through hole, and
One float is maintained at the inner chamber of described guide cylinder.
2, limit filling device according to claim 1 is characterized in that, the oblique setting of several apertures on the described lid.
3, limit filling device according to claim 2 is characterized in that, described aperture is distributed in the periphery of described second through hole.
4, limit filling device according to claim 3 is characterized in that, described guide cylinder cooperates the aperture of described lid to be provided with several openings.
5, limit filling device according to claim 4 is characterized in that, described float is provided with third through-hole, aims at first through hole of described floater guiding tube bottom and second through hole of described lid respectively.
6, spacing picture unit according to claim 5 is characterized in that, described float top have one with the corresponding vestibule of described second through hole.
7, limit filling device according to claim 6 is characterized in that, the aperture of described third through-hole is all less than the aperture of described second through hole and described vestibule.
8, limit filling device according to claim 7 is characterized in that, the external diameter of described float is provided with a plurality of seal rings, the internal diameter precision-fit of the external diameter of described seal ring and described guide cylinder.
9, a kind of cryogenic liquid vessel comprises a liquid inlet pipe, it is characterized in that, is provided with limit filling device in the described cryogenic liquid vessel, comprises
One has the guide cylinder of an inner chamber, is provided with
First through hole is positioned at the bottom;
With a plurality of openings, be positioned at wall portion;
One lid covers the top of described guide cylinder, is provided with
Be used to install second through hole of described liquid inlet pipe; With
Several apertures are positioned at the wall portion of second through hole; And
One float is maintained at the inner chamber of described guide cylinder.
10, cryogenic liquid vessel according to claim 9 is characterized in that, several apertures opening setting obliquely on the described lid.
11, cryogenic liquid vessel according to claim 10 is characterized in that, described aperture is distributed in the periphery of second through hole.
12, cryogenic liquid vessel according to claim 11 is characterized in that, described guide cylinder cooperates the aperture of described lid to be provided with several openings.
13, cryogenic liquid vessel according to claim 12 is characterized in that, described float is provided with third through-hole, aims at first through hole of described floater guiding tube bottom and second through hole of described lid respectively.
14, cryogenic liquid vessel according to claim 13 is characterized in that, described float top have one with the corresponding vestibule of described second through hole.
15, cryogenic liquid vessel according to claim 14 is characterized in that, the aperture of described third through-hole is all less than the aperture of described second through hole and described vestibule.
16, cryogenic liquid vessel according to claim 15 is characterized in that, the external diameter of described float is provided with a plurality of seal rings; The internal diameter precision-fit of the external diameter of described seal ring and described guide cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920105415XU CN201368334Y (en) | 2009-01-22 | 2009-01-22 | Limit filling device for low temperature liquid container and low temperature liquid container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920105415XU CN201368334Y (en) | 2009-01-22 | 2009-01-22 | Limit filling device for low temperature liquid container and low temperature liquid container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201368334Y true CN201368334Y (en) | 2009-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200920105415XU Expired - Fee Related CN201368334Y (en) | 2009-01-22 | 2009-01-22 | Limit filling device for low temperature liquid container and low temperature liquid container |
Country Status (1)
| Country | Link |
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| CN (1) | CN201368334Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806391B (en) * | 2009-02-17 | 2011-12-21 | 南通中集罐式储运设备制造有限公司 | Limit filling device of low-temperature liquids container and low-temperature liquids container |
| CN101788105B (en) * | 2009-01-22 | 2012-01-11 | 中国国际海运集装箱(集团)股份有限公司 | Limit filling device used for cryogenic liquid container and cryogenic liquid container |
-
2009
- 2009-01-22 CN CNU200920105415XU patent/CN201368334Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788105B (en) * | 2009-01-22 | 2012-01-11 | 中国国际海运集装箱(集团)股份有限公司 | Limit filling device used for cryogenic liquid container and cryogenic liquid container |
| CN101806391B (en) * | 2009-02-17 | 2011-12-21 | 南通中集罐式储运设备制造有限公司 | Limit filling device of low-temperature liquids container and low-temperature liquids container |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091223 Termination date: 20150122 |
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| EXPY | Termination of patent right or utility model |