CN205712438U - LNG hydrops separates discharge pond - Google Patents
LNG hydrops separates discharge pond Download PDFInfo
- Publication number
- CN205712438U CN205712438U CN201620285975.8U CN201620285975U CN205712438U CN 205712438 U CN205712438 U CN 205712438U CN 201620285975 U CN201620285975 U CN 201620285975U CN 205712438 U CN205712438 U CN 205712438U
- Authority
- CN
- China
- Prior art keywords
- lng
- separate tank
- hydrops
- pond
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 241000521257 Hydrops Species 0.000 title claims abstract description 54
- 206010030113 Oedema Diseases 0.000 title claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000005192 partition Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000003949 liquefied natural gas Substances 0.000 description 105
- 238000000034 method Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- -1 collected ditch Substances 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The open a kind of LNG hydrops of this utility model separates discharge pond, including: LNG reveals collecting pipe, and the leakage LNG collected for LNG reveals catch tray emits；First separate tank, receives described LNG and reveals the LNG that collecting pipe gives off；Second separate tank, is disposed adjacent with described first separate tank, is provided with partition wall between described second separate tank and described second separate tank, and the bottom of described partition wall is provided with through hole, so that described first separate tank is connected with described second separate tank；LNG reveals and collects ditch, is connected with described first separate tank, reveals collecting pit for the LNG in described first separate tank is emitted into LNG；Hydrops collects ditch, is connected with described second separate tank, for the hydrops in described second separate tank is emitted into peace and quiet storm-water system；Wherein, the liquid level in described first separate tank and the second separate tank did not had described through hole all the time；Described LNG reveals the bottom of trench height collecting ditch and collects the bottom of trench height of ditch higher than described hydrops.
Description
Technical field
This utility model relates to LNG Technology field, particularly to a kind of for the liquefied natural gas revealed
The LNG hydrops carrying out safe collection separates discharge pond.
Background technology
According to domestic and international liquefied natural gas (LNG) land based installation design related specifications (GB50183 NFPA 59A EN
1473 etc.) requirement, need to leak collection system at LNG station design LNG, surprisingly drop under collection accident condition
LNG, to specifying region, carries out safety to it and focuses on, with the low temperature avoiding low temperature LNG cross flow everywhere to be brought
The fire explosion risk that the inflammable and explosive vaporous cloud formed after injury, and gasification is brought.
In the most existing design, routine only considers small-sized collection tray, delivers in LNG collecting pit through collection ditch
Arranging, system is made up of catch tray, collection pipe trench and collecting pit.LNG leakage collection system is open type structure,
Catch tray, collection ditch, collecting pit are open type uncovered structure, also may collect rainwater, fire-fighting in addition to LNG
The media such as water, ground flushing water.These materials enter LNG and leak collection system, if discharging not in time, can cut down
The dischargeable capacity of ditch, especially collecting pit is collected in LNG leakage, significantly weakens LNG and leaks collection system function.Mesh
Front conventional design only considers to arrange fixed or movable submersible pump in the least significant end collecting pit of system, periodically by pond
Internal water accumulation pumps out.But, efficiently separate measure LNG not being carried out, the most probably make LNG with above-mentioned water
Medium is discharged away together, can cause the leakage of LNG equally, thus reduce existing LNG and reveal collection system
Safety and effectiveness.
Summary of the invention
The purpose of this utility model is cannot to efficiently separate LNG and various to solve existing LNG leakage collection system
The defect of aqueous medium, it is provided that a kind of LNG hydrops separates discharge pond.
For reaching above-mentioned purpose, the utility model proposes techniques below scheme:
A kind of LNG hydrops separates discharge pond, including:
LNG reveals collecting pipe, reveals catch tray with one or more LNG and is connected, and receives for being revealed by described LNG
The leakage LNG that catch basin is collected emits；
First separate tank, reveals collecting pipe with described LNG and is connected, and receives described LNG and reveals what collecting pipe gave off
LNG；
Second separate tank, is disposed adjacent with described first separate tank, described second separate tank and described second separate tank
Between be provided with partition wall, the bottom of described partition wall is provided with through hole so that described first separate tank and described second separate
Pond is connected；
LNG reveals and collects ditch, is connected with described first separate tank, for being arranged by the LNG in described first separate tank
Put to LNG leakage collecting pit；
Hydrops collects ditch, is connected with described second separate tank, for being emitted into by the hydrops in described second separate tank
Peace and quiet storm-water system；
Wherein, the liquid level in described first separate tank and the second separate tank did not had described through hole all the time；
Described LNG reveals the bottom of trench height collecting ditch and collects the bottom of trench height of ditch higher than described hydrops.
Discharge pond, wherein, described first separate tank and second point is separated according to the LNG hydrops that the utility model proposes
On pond, it is respectively arranged with a water-supply line joint, be enough to not for injecting in pond when the hydrops in pond dries up
Cross the moisture of described through hole.
Discharge pond, wherein, described first separate tank and second point is separated according to the LNG hydrops that the utility model proposes
It is made up of low-temperature concrete from pond.
Separating discharge pond according to the LNG hydrops that the utility model proposes, wherein, described through hole is multiple, its quantity
N is: N=4S/ (π D2)；Wherein D is the diameter of through hole；S=Q/ (3600v), v are the via flow velocity of water；
Q=Q1+Q2+Q3, the maximum rainfall in wherein Q1 is the return period, Q2 is the maximum fire-fighting water yield in one's respective area,
Q3 is the maximum LNG leakage rate in one's respective area.
Separating discharge pond according to the LNG hydrops that the utility model proposes, wherein, via flow velocity v is not more than 2m/s,
Through-hole diameter D is 0.15-0.20m.
Separating discharge pond according to the LNG hydrops that the utility model proposes, wherein, the bottom hole pitch of described through hole is from described
The least significant end of partition wall is not less than 200mm, and the bottom of trench of ditch is collected at least less than described hydrops in the top, hole of described through hole
200mm, the width of described first separate tank and described second separate tank is not less than 800mm.
Discharge pond is separated according to the LNG hydrops that the utility model proposes, wherein, described first separate tank and described the
The top of two separate tanks is coated with zinc-plated steel flase floor.
Separating discharge pond according to the LNG hydrops that the utility model proposes, wherein, described leakage collecting pit is arranged on and connects
Shou Zhan district, is to be provided with for hydrops drains into peace and quiet rain in enclosed construction, and pond at the bottom of the pond of described leakage collecting pit
The draining pump of water system, described basis is preset liquid level and is started or stoped draining.
Separating discharge pond according to the LNG hydrops that the utility model proposes, wherein, described leakage collecting pit is arranged on code
Head Section, the bottom of described leakage collecting pit is provided with the S-shaped delivery pipe flat with pond bottom water, begins in described S-shaped delivery pipe
Contain the water that can form water seal eventually.
Compared with prior art, this utility model is by arranging hydrops in the appropriate position of LNG leakage collection system
Separating facility, it is achieved when leaking without LNG, the hydrops entering LNG leakage collection system enters rainwater-collecting system in time
System, it is ensured that the dischargeable capacity of LNG collection system；And when LNG leakage accident, effectively LNG is imported LNG
Leakage collecting pit, thus forbid that LNG enters rain water collecting system, it is to avoid it is unnecessary that low temperature LNG cross flow everywhere causes
Loss or injury.
Accompanying drawing explanation
Fig. 1 is the principle schematic that LNG hydrops of the present utility model separates discharge pond one specific embodiment；
Fig. 2 A is the top view that LNG hydrops of the present utility model separates discharge pond one specific embodiment；
Fig. 2 B is Fig. 2 A profile on B-B direction；
Fig. 2 C is Fig. 2 B profile on A-A direction；
Fig. 3 is the schematic diagram of the LNG leakage collecting pit in district of receiving station；
Fig. 4 is the schematic diagram of the LNG leakage collecting pit of quayside.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technical side in this utility model embodiment
Case is clearly and completely described, it is clear that described embodiment is only that this utility model part is real
Execute example rather than whole embodiments.Based on the embodiment in this utility model, ordinary skill people
The every other embodiment that member is obtained under not paying creative work premise, broadly falls into this utility model
The scope of protection.
The most briefly introduce LNG and reveal collection system.Land according to domestic and international liquefied natural gas (LNG)
Facilities design related specifications (GB50183 NFPA 59A EN 1473 etc.) requirement, need to design in LNG station
LNG leaks collection system.LNG reveals collection system and is leaked collecting region, drain dish by LNG, collected ditch, LNG
Collecting pits etc. form, and according to leak point situation selection dish or the mode of surface collection, import LNG and collect
Ditch.When the pipeline of LNG storage tank district tank deck platform ruptures leakage, LNG imports leakage through revealing catch tray
Liquid collects standpipe, enters LNG and reveals collection ditch.Hot spoke when evaporation and fire in order to reduce LNG occurs
Penetrate harm, after preventing LNG from directly spilling ground, constantly spread the unmanageable LNG on a large scale of formation, thus
Reduce it and form steam cloud generation blast and the danger of fire.Simultaneously, it is contemplated that precipitation is to revealing design department
The impact of system, needs to carry out LNG by necessary technical measures and separates with rainwater, it is to avoid excessive rainfall
Enter LNG collecting pit.
Owing to conveying and pipeline and the equipment storing LNG mostly are outdoor outdoor layout, it is to be ensured that when LNG occurs
During leakage, the LNG of leakage wants orderly entrance LNG leakage collection system and can not enter the discharge of peace and quiet rainwater
System, at this moment hydrops separate tank therefrom plays important role.
LNG hydrops of the present utility model separates discharge pond and is located between LNG leakage collection ditch and leakage collecting pit,
Being simultaneously connected with rain rill, its operation principle is as follows:
Referring to Fig. 1, Fig. 2 A, Fig. 2 B and Fig. 2 C, LNG hydrops of the present utility model separates discharge pond respectively
Principle schematic and the top view of a specific embodiment and profile.Hydrops of the present utility model separates row
The main body putting pond is low-temperature concrete structure, is divided into 2 parts, and a portion and terminal are that LNG leakage is received
The collection ditch of Ji Chi is connected (the hereinafter referred to as first separate tank), another part be connected with peace and quiet rain rill (with
Call the second separate tank in the following text), centre separates with partition wall, and 1 row or multiple rows of horizontally disposed through hole are arranged at partition wall bottom
Communicating, number of openings, height and row determine according to amount of rainfall and LNG leaking rate formulas, the specifically side of calculating
Method can be described below.The bottom of trench absolute altitude collecting ditch is higher than the bottom of trench absolute altitude of peace and quiet rain rill.
Under nominal situation, the rainwater collecting ditch from LNG leakage collecting pipe or LNG enters the first separate tank,
And enter the second separate tank by the through hole in the middle of partition wall, drain into attached subsequently into the peace and quiet rain rill gravity gradient
Near peace and quiet storm-water system or in line sea.Owing to the bottom of trench absolute altitude of peace and quiet rain rill pushes up than the hole of partition wall through hole
Absolute altitude wants height, and collects the bottom of trench absolute altitude of ditch less than LNG, so always water in hydrops separate tank, and
Water height has not crossed the top, hole of partition wall through hole.
For avoiding the situation causing the hydrops in hydrops separate tank to evaporate completely due to reasons such as weather arids,
One can be arranged on each separate tank and produce water-supply line joint, when the hydrops in pond dries up, Ke Yitong
Hydrops separate tank is filled by either automatically or manually mode of crossing, and maintains piece-rate system properly functioning.
When there being LNG to leak, the LNG of a large amount of leakages can freeze the rainwater in hydrops separate tank or water immediately
Live, i.e. partition wall through hole is blocked by ice so that the LNG that liquid level rises can only enter LNG by the first separate tank
Collecting ditch, and then enter LNG leakage collecting pit, by this kind of method, the LNG of leakage and rainwater divide naturally
Open.
Detailed computational methods about through hole set by partition wall bottom are as follows:
(1) the maximum flow of inlet water Q (m3/h) of hydrops separate tank is determined
Q=Q1+Q2+Q3
Maximum rainfall (m3/h) in Q1----certain return period
The maximum fire-fighting water yield (m3/h) in Q2----one's respective area
Maximum LNG leakage rate (m3/h) in Q3----one's respective area
(2) gross area S (m2) of partition wall hole is determined
S=Q/3600v
V----via flow velocity (m/s) is according to engineering experience, and for ensureing that resistance to water-flow will not be excessive, hydrops divides
Via flow velocity from pond is not preferably greater than 2m/s；
(3) partition wall pore quantity is determined
N=4S/ π D^2
D----hole diameter (m) according to engineering experience, the desirable 0.15-0.20m of D；The too small meeting of D value causes miscellaneous
Thing blocking hole resistance, D value conference cause that hole arrangement is uneven and the plash degree of depth is the deepest.
(4) hole location is determined,
Partition wall hole should be horizontally disposed, when an arrangement can not be put any more, may be disposed to 2 rows；The hole in lower round hole
The end, should be higher than that 200mm at the bottom of pond, the Kong Dingying in the upper round hole bottom of trench 200mm less than rain rill, side；For maintenance
Convenient, the width of partition wall both sides is all no less than 800mm；Hydrops separate tank overlying zinc-plated steel flase floor.
Revealing collecting pit and include two kinds of forms, one is district of receiving station, and one is quayside.Receive although revealing
Ji Chi is used to collect LNG, but due to its outdoor unenclosed construction, so being inevitably mixed into rain
The compositions such as water, are therefore also required to carry out draining.Introduce the leakage collecting pit of above two form separately below
Drainaging scheme.
(1) receiving station's district's rainwater discharge
Refer to Fig. 3.Under nominal situation, the rainwater of receiving station is emitted into LNG by rainwater-collecting ditch gravity and lets out
Leakage collecting pit, leakage collecting pit reserved part height is for depositing the rainwater being interrupted or flowing to continuously；Pond
Outlet, does not sets submerged type or self-priming draining pump in pond, and chain with rainwater two position, when rainwater liquid
When position reaches chain high level, automatically start draining pump and rainwater is drained into neighbouring storm-water system and is ultimately discharged into
Sea；When rainwater liquid level is down to low liquid level, chain termination of pumping, ensure the rainwater of minimum liquid level in pond.
When there being LNG to leak, the LNG of leakage drains into leakage collecting pit also by collecting ditch, flammable on pond
Gas detector can be immediately detected in pond with the presence of the high-expansion foam generator work on LNG, and chain pond
Make to produce a large amount of high expansion foams, the LNG in pond is covered, reduce the evaporation rate of LNG.
(2) quayside rainwater discharge
Please participate in Fig. 4.Under nominal situation, the rainwater of quayside drains into LNG by rainwater-collecting ditch gravity and leaks
Collecting pit, then through the bottom S-shaped rainwater discharged flat with pond bottom water to sea, so ensures to collect
Pond always sky, but always have sub-fraction rainwater to be deposited in S-shaped pipe interior and form water seal.
When there being LNG to leak, the LNG of leakage drains into leakage collecting pit, when flowing through to rain also by collecting ditch
During water discharge spout, substantial amounts of LNG meets with a small amount of water seal, and rainwater delivery pipe is freezed by moment, below
LNG will be trapped within leakage collecting pit, then cover with high expansion foam, reduce the evaporation rate of LNG.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, in accompanying drawing
Module or flow process are not necessarily implemented necessary to this utility model.
One of ordinary skill in the art will appreciate that: the module in device in embodiment can be according to embodiment
Describe in the device being distributed in embodiment, it is also possible to carry out respective change and be disposed other than one of the present embodiment
Or in multiple device.The module of above-described embodiment can merge into a module, it is also possible to is further split into
Multiple submodules.
Last it is noted that above example is only in order to illustrate the technical solution of the utility model, rather than right
It limits；Although this utility model being described in detail with reference to previous embodiment, this area common
Skilled artisans appreciate that the technical scheme described in previous embodiment still can be modified by it, or
Person carries out equivalent to wherein portion of techniques feature；And these amendments or replacement, do not make relevant art
The essence of scheme departs from the spirit and scope of this utility model embodiment technical scheme.
Claims (8)
1. a LNG hydrops separates discharge pond, it is characterised in that including:
LNG reveals collecting pipe, reveals catch tray with one or more LNG and is connected, and receives for being revealed by described LNG
The leakage LNG that catch basin is collected emits；
First separate tank, reveals collecting pipe with described LNG and is connected, and receives described LNG and reveals what collecting pipe gave off
LNG；
Second separate tank, is disposed adjacent with described first separate tank, described second separate tank and described second separate tank
Between be provided with partition wall, the bottom of described partition wall is provided with through hole so that described first separate tank and described second separate
Pond is connected；
LNG reveals and collects ditch, is connected with described first separate tank, for being arranged by the LNG in described first separate tank
Put to LNG leakage collecting pit；
Hydrops collects ditch, is connected with described second separate tank, for being emitted into by the hydrops in described second separate tank
Peace and quiet storm-water system；
Wherein, the liquid level in described first separate tank and the second separate tank did not had described through hole all the time；
Described LNG reveals the bottom of trench height collecting ditch and collects the bottom of trench height of ditch higher than described hydrops.
LNG hydrops the most according to claim 1 separates discharge pond, it is characterised in that described first separates
Be respectively arranged with a water-supply line joint on pond and the second separate tank, for when the hydrops in pond dries up in pond
Inject the moisture that be enough to not described through hole.
LNG hydrops the most according to claim 1 and 2 separates discharge pond, it is characterised in that described first
Separate tank and the second separate tank are made up of low-temperature concrete.
LNG hydrops the most according to claim 3 separates discharge pond, it is characterised in that described through hole straight
Footpath is 0.15-0.20m.
LNG hydrops the most according to claim 4 separates discharge pond, it is characterised in that the hole of described through hole
The end, is less than described hydrops apart from the least significant end of described partition wall collects the ditch of ditch not less than 200mm, the top, hole of described through hole
The end at least 200mm, the width of described first separate tank and described second separate tank is not less than 800mm.
LNG hydrops the most according to claim 5 separates discharge pond, it is characterised in that described first separates
The top of pond and described second separate tank is coated with zinc-plated steel flase floor.
LNG hydrops the most according to claim 1 and 2 separates discharge pond, it is characterised in that described leakage
Collecting pit is arranged on district of receiving station, is to be provided with in enclosed construction, and pond for will at the bottom of the pond of described leakage collecting pit
Hydrops drains into the draining pump of peace and quiet storm-water system, and described basis is preset liquid level and started or stoped draining.
LNG hydrops the most according to claim 1 and 2 separates discharge pond, it is characterised in that described leakage
Collecting pit is arranged on quayside, and the bottom of described leakage collecting pit is provided with the S-shaped delivery pipe flat with pond bottom water, described
S-shaped delivery pipe contains water all the time that can form water seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620285975.8U CN205712438U (en) | 2016-04-07 | 2016-04-07 | LNG hydrops separates discharge pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620285975.8U CN205712438U (en) | 2016-04-07 | 2016-04-07 | LNG hydrops separates discharge pond |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205712438U true CN205712438U (en) | 2016-11-23 |
Family
ID=57309473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620285975.8U Active CN205712438U (en) | 2016-04-07 | 2016-04-07 | LNG hydrops separates discharge pond |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205712438U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105821954A (en) * | 2016-04-07 | 2016-08-03 | 中国寰球工程公司 | LNG accumulated water separation and discharge pool |
| CN109610597A (en) * | 2018-11-30 | 2019-04-12 | 乔治洛德方法研究和开发液化空气有限公司 | It is a kind of for preventing the trapped well system of cryogenic liquid leakage |
-
2016
- 2016-04-07 CN CN201620285975.8U patent/CN205712438U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105821954A (en) * | 2016-04-07 | 2016-08-03 | 中国寰球工程公司 | LNG accumulated water separation and discharge pool |
| CN109610597A (en) * | 2018-11-30 | 2019-04-12 | 乔治洛德方法研究和开发液化空气有限公司 | It is a kind of for preventing the trapped well system of cryogenic liquid leakage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8776906B2 (en) | System and method for preventing the incidence of forest fires over large areas | |
| CN205712438U (en) | LNG hydrops separates discharge pond | |
| CN105821954A (en) | LNG accumulated water separation and discharge pool | |
| KR20180135399A (en) | Security system for water resource management | |
| CN103787005B (en) | Automatic oil separation and water drainage system for tank farm | |
| CN202920861U (en) | Automatic shutdown oil house during enemy bombing | |
| CN207407069U (en) | A kind of thermal power plant liquefied ammonia station leakage protection system | |
| RU195409U1 (en) | HYDRANT FIRE LAND | |
| CN205716410U (en) | A kind of LNG reveals collection system | |
| CN105586851B (en) | A kind of beach Fuel Tanking Unit and its method of construction | |
| CN205475275U (en) | Landing stage face rainwater collection heat -extraction system | |
| CN105822898A (en) | LNG leakage collecting system and leakage collecting method thereof | |
| RU2594148C1 (en) | Method of extinguishing fire on forest and peat arrays | |
| AU2002311399B2 (en) | High voltage power transformer oil spill fire extinguishment and drainage | |
| CN215025490U (en) | Foam liquid falling groove for oil depot | |
| RU132158U1 (en) | PROTECTIVE PROTECTION OF THE LIQUID NATURAL GAS STORAGE TANK | |
| CN216586802U (en) | High-order fire water tank device with function of preventing frostbite | |
| CN206297714U (en) | A kind of floating on water floating platform and the inversion boosting mechanism with the floating platform | |
| RU2692527C1 (en) | Method for flooding of worked-out peatlands | |
| CN216693050U (en) | LNG leaks collecting system | |
| CN104563214A (en) | Tunnel firefighting system based on elevated water tank | |
| CN218458713U (en) | Accident oil pool of booster station | |
| US20120066827A1 (en) | Pool fluid control system | |
| CN204343381U (en) | A kind of Tunnel Gushing that utilizes is as the tunnel fire protection system at water source | |
| CN103147613B (en) | Enemy plane bombs automatically extinguishing oil depot |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Two road 100012 Beijing city Chaoyang District high tech Industrial Park, No. 1. Patentee after: China Global Engineering Co. Ltd. Address before: 100029 Beijing city Chaoyang District Cherry Street No. 7 Patentee before: China Huanqiu Engineering Co. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201214 Address after: 100120 Xicheng District six paw Kang in Beijing City Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CHINA HUANQIU CONTRACTING & ENGINEERING Co.,Ltd. Address before: No.1, Chuangda 2nd Road, Laiguangying hi tech Industrial Park, Chaoyang District, Beijing, 100012 Patentee before: CHINA HUANQIU CONTRACTING & ENGINEERING Co.,Ltd. |