CN104197187B - A kind of liquefied ammonia fills and the apparatus and method that unload - Google Patents
A kind of liquefied ammonia fills and the apparatus and method that unload Download PDFInfo
- Publication number
- CN104197187B CN104197187B CN201410488940.XA CN201410488940A CN104197187B CN 104197187 B CN104197187 B CN 104197187B CN 201410488940 A CN201410488940 A CN 201410488940A CN 104197187 B CN104197187 B CN 104197187B
- Authority
- CN
- China
- Prior art keywords
- liquefied ammonia
- ammonia
- valve
- gas phase
- trunk line
- 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
Abstract
<b>A kind of liquefied ammonia fills and the apparatus and method that unload. This device comprises liquefied ammonia buffering storage tank, liquefied ammonia handling arm, delivery pump, it is characterized in that described liquefied ammonia buffering storage tank connects delivery pump, and delivery pump connects liquid phase Trunk Line, carrying delivery side of pump that reflux pipeline is also set, is provided with return valve on reflux pipeline; Liquid phase Trunk Line is successively by repid cut-off valve, spark arrester, mass flowmenter and control valve thereof on liquefied ammonia pipeline, manual ball valve, liquefied ammonia handling arm, access slot car; Mass flowmenter and control valve thereof are connected with handling quantitative control system; Tank car also connects gas phase handling arm, and gas phase handling arm connects gas phase Trunk Line or compressor by being disposed with the pipeline of pressure gauge, spark arrester, pneumatic control valve, then connects ammonia buffering storage tank; Liquid phase Trunk Line also joins through safety valve and gas phase Trunk Line.</b>The present invention can be applicable to filling and unloading field of the multiple easy liquefaction fluids such as liquefied ammonia, dimethyl ether, natural gas.
Description
Technical field
The present invention relates to easily liquefy fluid fillers and unloading, specifically, relate to a kind of liquefied ammonia and fill and unloadApparatus and method.
Background technology
Synthetic ammonia is one of inorganic compound that output is maximum in the world, has industrial use widely. Due toLiquefied ammonia is produced distance remote between application site, fill and the unloading of liquefied ammonia be Ammonia Production application withSell one of basic operation unit in transportation, because ammonia is the poisonous of a kind of colourless irritant smellGas, in the time of the production operation that relates to ammonia, safety management is particularly important, must be strictly on guard against evaporating, emitting, dripping or leaking of liquid or gas, safetyIt is the prerequisite of producing.
The method that liquefied ammonia fills loading, unloading is at present often taking one-way operation as main, and operating process is loaded down with trivial details, its applicationApparatus function is simple, and scale is less, operating process complexity, and security monitoring poor efficiency, needs a kind of integrated liquefied ammonia badlyFill and the multi-functional devices and methods therefor being integrated such as unload, effectively ensureing the filling of liquefied ammonia, uninstall processIn safety with efficient.
In Chinese patent database, relate to liquefied ammonia and fill with the application part unloading and have ZL201320422784.8 "Plant liquefied ammonia loading, unloading system ", the utility model patent of Shi Ben Wengfu Group Co., Ltd., it is rightHave effect in liquefied ammonia loading, unloading, but it also needs further upgrading, plays a greater role.
Summary of the invention
A kind of liquefied ammonia of the present invention efficiently fills and the apparatus and method of unloading, be safe and reliable, production efficiencyHeight, production operation process is simple and convenient, relies on a set of liquefied ammonia to fill with becoming one of offloading functionsDevice, adopts paralleling model fill or unload, and when realizing multiple slot train tank cars, vehicle slot tank car, fillsDress or simultaneously unloading.
In order to realize this purpose, liquefied ammonia of the present invention fills and discharge mechanism technical scheme:
Liquefied ammonia fills and the device unloading, and comprises ammonia buffering storage tank, handling arm, delivery pump, and its feature existsConnect delivery pump in described ammonia buffering storage tank, delivery pump connects liquid phase Trunk Line, is carrying delivery side of pump also to arrange backStream pipeline, is provided with return valve on reflux pipeline; Liquid phase Trunk Line fast by liquefied ammonia pipeline successivelySpeed stop valve, spark arrester, mass flowmenter and control valve thereof, manual ball valve, liquefied ammonia handling arm, access slot car,This liquefied ammonia pipeline configures by-pass line for subsequent use and valve, and mass flowmenter and control valve thereof and handling are quantitatively controlledSystem connects; Tank car also connects gas phase handling arm, gas phase handling arm by be disposed with pressure gauge, spark arrester,The gas phase pipe pipeline of pneumatic control valve connects gas phase Trunk Line or compressor, then connects ammonia buffering storage tank; Liquid phase supervisorLine also joins through safety valve and gas phase Trunk Line.
The Distributed Control System (DCS) of device is installed handling quantitative control system for regulating in real time and controllingTechnological parameter, practicable manual control, controls two kinds of patterns automatically. Comprise master system, quantifying and loadingController, mass flowmenter, pneumatic two sections of control valves. Wherein master system is by microcomputer and configuration thereofSoftware forms, and for completing, collection, storage, data processing, the trend of field data shows, remote adjustmentWith control, the monitoring of process picture, warning function, report generation and printing; Quantifying and loading controller is mainly usedIn the quantifying and loading control of batch controller, comprise parameter function setting, ground protection function, power down protectionFunction, long-range and many merits function such as real time monitoring function on the spot, effectively ensure the integrality of car-loading control systemWith reliability.
Liquid phase supervisor is also joined through safety valve and gas phase supervisor, can hold for the protection of pipeline and equipment pressure thereofUnder the safe pressure being subject to, safety valve setting pressure is set, when liquid phase supervisor line pressure reaches set-pressure,Safety valve opens jumping automatically, and emission intensity, to gas phase Trunk Line, is completed to pipeline decompression protection, has ensured liquefied ammonia dressThe safety of unloading process is normal.
Use the liquefied ammonia of said apparatus to fill and discharging method:
When liquefied ammonia fills, when unloaded groove tank car enters tank field, check its safety valve, terminal valve, pressureThe complete function of table, tank car cell body before filling keeps the barotropic state of 0.05MPa, prevents that air from entering grooveIn car, car body connects electrostatic discharge alarm device simultaneously, detects in real time and eliminate the static of car body;
The gas phase handling arm of handling system, liquefied ammonia handling arm is corresponding with groove tank car gas phase, liquid phase pipeline respectivelyConnect, and open liquefied ammonia import and export valve, crack tank car discharge port gas, liquid ball valve, second trial connectsThe air-tightness of mouth;
After inspection is connected with pipeline, open on-site manual ball valve, by handling quantitative control system, establishDetermine entrucking tonnage and start delivery pump;
Liquefied ammonia, from ammonia buffering storage tank, is carrying delivery side of pump that reflux pipeline and return valve are set, canThe pressure of entrucking liquefied ammonia is set in real time, and the liquefied ammonia surplus of entrucking is returned to ammonia buffering storage tank in real time, refluxes by adjustingThe pressure of the adjustable delivery pump outlet of valve opening liquefied ammonia, liquefied ammonia is along liquid phase Trunk Line, successively by liquefied ammonia pipelineOn repid cut-off valve, spark arrester, mass flowmenter and control valve thereof, manual ball valve, liquefied ammonia handling arm,Enter respectively tank car; Mass flowmenter and control valve thereof are connected with handling quantitative control system, and liquefied ammonia is filledRegulate with flow, the pressure and other parameters of the process of unloading and control; Tank car internal pressure control≤1.62MPa(G), along with the rising of tank car liquid level, pressure presents ascendant trend, when pressure rise is to approaching liquid phase supervisorWhen the pressure of line, open gas phase handling arm upper ball valve, tank car gas ammonia load and unload arm along gas phase, converge intoEnter gas phase Trunk Line, finally return to ammonia buffering storage tank.
So, tank car is connected with ammonia buffering storage tank by gas phase, liquid phase pipeline respectively, forms closed loop,In the time that entrucking quantity tonnage reaches preset value, the Regular loading truck control system on this device is closed control valve automatically,On-site manual is closed quick action emergency valve on liquefied ammonia handling arm, regulates ammonia buffering storage tank return valve to reduce and pumps oral fluidAmmonia flow, other device still can continue to fill until arrange and fill tonnage value.
When liquefied ammonia is unloaded, when the groove tank car of splendid attire liquefied ammonia enters tank field, check its safety valve, terminal valve,Manometric complete function, car body connects electrostatic discharge alarm device, detects in real time and eliminate car body static;
The gas phase handling arm of handling arm, liquefied ammonia handling arm are connected with groove tank car gas phase, liquid phase pipeline respectively, openOn-site manual valve and control valve, crack handling arm ball valve is interface leak test lentamente, confirms that air-tightness is intact;
Valve opening on the gas ammonia pipe of ammonia buffering storage tank outlet, the flash distillation of ammonia buffering storage tank ammonia is that gas ammonia enters compressionAfter unit compression are boosted, enter train tank car through compressor outlet, gas phase pipe, gas phase handling arm successivelyOr in tank wagon, pressurized of the liquefied ammonia in tank car, pressure raises gradually, when pressure is higher than the storage of ammonia bufferingWhen the pressure of tank, the liquefied ammonia in tank car is forced out, and through the liquid phase handling arm of discharging, enters liquid phase master successivelyPipeline converges, and enters the storage of ammonia buffering storage tank.
The present invention has the following advantages: (1) integrated filling with unloading two-way function of liquefied ammonia be integrated, functionComprehensively, operator scheme diversification, can be to the operation in parallel of the plurality of specifications tank cars such as more piece train, automobile; (2) arrangeThere is the reliable safety valve of performance, the safety devices such as spark arrester, repid cut-off valve, anti-static device, and quantitativelyCar-loading control system connects in real time, integrated alarm prompting, process monitoring, power down protection, remote adjustment and controlMultiple function processed, handling are safe and reliable with uninstall process.
Device and method provided by the invention is simple, uses proof by reality, and effect is remarkable, for liquefied ammonia fill,The long period of unloading is stablized and safe operation provides guarantee. The present invention can be applicable to liquefied ammonia, dimethyl ether, skyFilling and unloading field of the multiple easy liquefaction fluids such as right gas.
[brief description of the drawings]
Fig. 1 is that liquefied ammonia fills Loading-dumping device structural representation;
Fig. 2 is handling quantitative control system block diagram;
In figure: 1, unloaded groove tank car; 2, the groove tank car of splendid attire liquefied ammonia; 3, ammonia buffering storage tank; 4, carryPump; 5, liquid phase Trunk Line; 6, return valve; 7, repid cut-off valve; 8, spark arrester; 9, mass flowAmount meter; 10, control valve; 11, manual ball valve; 12, liquefied ammonia handling arm; 13, handling quantitative control system;14 gas phase handling arms; 15, pressure gauge; 16, spark arrester; 17, pneumatic control valve; 18, gas phase Trunk Line;19, compressor; 20, safety valve.
Detailed description of the invention
Embodiment mono-:
Certain (group) Co., Ltd adopts the present invention, and Fig. 1 is that liquefied ammonia of the present invention fills Loading-dumping deviceStructural representation; Fig. 2 is handling quantitative control system block diagram;
Liquefied ammonia fills and the device unloading, and comprises ammonia buffering storage tank 3, handling arm, delivery pump 4, its featureBe that described ammonia buffering storage tank 3 connects delivery pump 4, delivery pump 4 connects liquid phase Trunk Line 5, in going out of delivery pump 4Mouth also arranges reflux pipeline, is provided with return valve 6 on reflux pipeline; Liquid phase Trunk Line 5 passes through liquid successivelyRepid cut-off valve 7, spark arrester 8, mass flowmenter 9 and control valve 10 thereof on ammonia pipeline, manual ball valve 11,Liquefied ammonia handling arm 12 connects the tank car 2 of unloaded tank car 1 or splendid attire liquefied ammonia, and this liquefied ammonia pipeline configures bypass for subsequent usePipeline and valve; Mass flowmenter 9 and control valve 10 thereof are connected with handling quantitative control system 13; UnloadedThe tank car 2 of tank car 1 or splendid attire liquefied ammonia also connects gas phase handling arm 14, and gas phase handling arm 14 is by being provided with pressureThe gas phase pipeline of meter 15, spark arrester 16, pneumatic control valve 17 connects gas phase Trunk Line 18 or compressor 19, thenConnect ammonia buffering storage tank 3; Liquid phase Trunk Line 5 also joins through safety valve 20 and gas phase Trunk Line 18.
Ammonia buffering storage tank 3 is for liquefied ammonia is flow to storage, and dischargeable capacity is 2600m3, pressure control is 0.4～1.36MPa (G), 4～37 DEG C of liquefied ammonia temperature. Gas phase Trunk Line 18, liquid phase Trunk Line 5, install many side by sideIndividual handler.
Fig. 2 is handling quantitative control system 13 block diagrams of the present invention;
Use the liquefied ammonia of this device to fill and discharging method:
When liquefied ammonia fills, when unloaded groove tank car 1 enters tank field, check its safety valve, terminal valve, pressureThe complete function of table, tank car cell body before filling keeps the barotropic state of 0.05MPa, prevents that air from entering tank carIn, car body connects electrostatic discharge alarm device simultaneously, eliminates in real time the static of car body;
By the liquefied ammonia handling arm 12 of handling arm, gas phase handling arm 14 respectively with unloaded groove tank car 1 gas phase, liquidPhase pipeline connects, and opens liquefied ammonia import and export valve, crack tank car discharge port gas, liquid ball valve, secondaryThe air-tightness of test interface, after confirming that air-tightness is good, can start liquefied ammonia handling procedure;
After inspection is connected with pipeline, open on-site manual ball valve 11, by handling quantitative control system 13,Set entrucking tonnage and start delivery pump 4;
Liquefied ammonia, from ammonia buffering storage tank 3s, arranges reflux pipeline and return valve 6 in the outlet of delivery pump 4,The pressure of entrucking liquefied ammonia can be set in real time, and the liquefied ammonia surplus of entrucking is returned to ammonia buffering storage tank 3 in real time, simultaneously realAdjusting and the control of existing pump discharge liquefied ammonia pressure, the liquefied ammonia of delivery pump outlet is along liquid phase Trunk Line 5, successivelyRepid cut-off valve 7, spark arrester 8, mass flowmenter 9 and control valve 10 thereof on logical liquefied ammonia pipeline, manuallyBall valve 11, liquefied ammonia handling arm 12, enter respectively unloaded tank car 1; Mass flowmenter 9 and control valve 10 thereofBe connected with handling quantitative control system 13, liquefied ammonia is filled with flow, the pressure and other parameters of the process of unloading and carried outRegulate and control, unloaded tank car 1 internal pressure control≤1.62MPa (G), along with the rising of tank car liquid level,Pressure also presents ascendant trend, when pressure rise is when approaching the pressure of liquid phase Trunk Line 5, opens gas phase dressUnload arm 14 upper ball valves, the gas ammonia of unloaded tank car 1, along gas phase handling arm 14, converges and enters gas phase supervisorLine 18, finally returns to ammonia buffering storage tank 3; Safety valve 20 is set, set-pressure setting on liquid phase Trunk Line 5For 1.85MPa, the outlet line of safety valve 20 is connected with gas phase Trunk Line 18, when line pressure reaches rowBleed off pressure power 1.85PMa, safety valve 20 opens jumping automatically, and emission intensity, to gas phase Trunk Line 18, is completed to pipeline and lets outPress protection, ensured that the safety of liquefied ammonia cargo handling process is normal. The automation setting of proportioning device control system 13Function can realize remote adjustment and control, the monitoring of process picture, warning function, ground protection function, power downProtection multiple function, ensures safe and reliable in filling process. In the time that entrucking quantity reaches preset value, this dressThe Regular loading truck control system being set up is closed control valve automatically, and on-site manual is closed on liquid phase handling arm 12 urgentStop valve, other tank car can continue to fill until reach and fill settings.
When liquefied ammonia is unloaded, when the groove tank car 2 of splendid attire liquefied ammonia enters tank field, check its safety valve, terminal valve,Manometric complete function, car body connects electrostatic discharge alarm device, detects in real time and eliminate car body static;
By the gas phase handling arm 14 of handling arm, liquid phase handling arm 12 respectively with groove tank car 2 gas phases of splendid attire liquefied ammonia,Liquid phase pipeline connects, and opens on-site manual valve and control valve, and crack handling arm ball valve is interface lentamenteLeak test, confirms that air-tightness is intact;
Valve opening on the gas ammonia pipe that ammonia buffering storage tank 3 exports, the 3 ammonia flash distillations of ammonia buffering storage tank are that gas ammonia enters pressureAfter contracting machine 19 compression are boosted, enter through compressor 19 outlets, gas phase pipe, gas phase handling arm 14 successivelyIn the tank car 2 of train tank car or automobile splendid attire liquefied ammonia, the pressurized of liquefied ammonia in the tank car 2 of splendid attire liquefied ammonia,Pressure raises gradually, in the time that pressure cushions the pressure of storage tank 3 higher than ammonia, and the liquid in the tank car 2 of splendid attire liquefied ammoniaAmmonia is forced out, and through discharging liquid phase handling arm 12, enter liquid phase Trunk Line 5 and converge, and it is slow to enter ammonia successivelyRushing storage tank 3 stores.
Liquefied ammonia fills and the scene of unloading is provided with water spray system, can in case of emergency, production scene be carried outSpray, suppresses the diffusion of ammonia.
Claims (2)
1. a liquefied ammonia fills and the device unloading, comprise ammonia buffering storage tank (3), handling arm, delivery pump (4), it is characterized in that described ammonia buffering storage tank (3) connects delivery pump (4), delivery pump (4) connects liquid phase Trunk Line (5), outlet at delivery pump (4) also arranges reflux pipeline, is provided with return valve (6) on reflux pipeline; Liquid phase Trunk Line (5) connects unloaded groove tank car (1) or the groove tank car (2) of splendid attire liquefied ammonia by the repid cut-off valve on liquefied ammonia pipeline (7), spark arrester (8), mass flowmenter (9) and control valve (10) thereof, manual ball valve (11), liquefied ammonia handling arms (12) successively; This liquefied ammonia pipeline configures by-pass line for subsequent use and valve; Mass flowmenter (9) and control valve (10) thereof are connected with handling quantitative control systems (13); Unloaded groove tank car (1) or the groove tank car (2) of splendid attire liquefied ammonia also connect gas phase handling arms (14), gas phase handling arms (14) connect gas phase Trunk Line (18) or compressor (19) by being provided with the gas phase pipe of pressure gauge (15), spark arrester (16), pneumatic control valve (17), then connect ammonia buffering storage tank (3); Liquid phase Trunk Line (5) also joins through safety valve (20) and gas phase Trunk Line (18).
2. one kind uses liquefied ammonia as claimed in claim 1 to fill and the method for the device unloading:
When liquefied ammonia fills, when unloaded groove tank car (1) enters tank field, check its safety valve, terminal valve, manometric complete function, unloaded groove tank car (1) cell body before filling keeps the barotropic state of 0.05MPa, prevent that air from entering in unloaded groove tank car (1), car body connects electrostatic discharge alarm device simultaneously, eliminates in real time the static of car body;
Liquefied ammonia is loaded and unloaded to arm (12), gas phase handling arms (14) to be connected with unloaded groove tank car (1) gas phase, liquid phase pipeline respectively; and open liquefied ammonia import and export valve; groove tank car (1) the discharge port gas, liquid ball valve of crack zero load; the air-tightness of second trial interface; after confirming that air-tightness is good, can start liquefied ammonia handling procedure;
After inspection is connected with pipeline, open manual ball valve (11), by handling quantitative control systems (13), set entrucking tonnage and also start delivery pump (4), liquefied ammonia cushions storage tank (3)s from ammonia, in the outlet of delivery pump (4), reflux pipeline and return valve (6) are set, the pressure of entrucking liquefied ammonia can be set in real time, the liquefied ammonia surplus of entrucking is returned to ammonia buffering storage tank (3) in real time, realize adjusting and the control of pump discharge liquefied ammonia pressure simultaneously, the liquefied ammonia of delivery pump (4) outlet is along liquid phase Trunk Line (5), successively by the repid cut-off valve (7) on liquefied ammonia pipeline, spark arrester (8), mass flowmenter (9) and control valve (10) thereof, manual ball valve (11), liquefied ammonia handling arms (12), enter respectively unloaded groove tank car (1), mass flowmenter (9) and control valve (10) thereof are connected with handling quantitative control systems (13), liquefied ammonia is filled and the flow of the process of unloading, pressure and other parameters regulates and controls, unloaded groove tank car (1) internal pressure control≤1.62MPa(G), along with the rising of unloaded groove tank car (1) liquid level, pressure also presents ascendant trend, when pressure rise is when approaching the pressure of liquid phase Trunk Line (5), open gas phase handling arm (14) upper ball valve, the gas ammonia of unloaded groove tank car (1) loads and unloads arm (14) along gas phase, converge and enter gas phase Trunk Line (18), return to liquefied ammonia buffering storage tank (3), on liquid phase Trunk Line (5), be provided with safety valve (20), set-pressure is set to 1.85MPa, the outlet line of safety valve (20) is connected with gas phase Trunk Line (18), when line pressure reaches blowdown presssure 1.85PMa, safety valve (20) opens jumping automatically, emission intensity, to gas phase Trunk Line (18), is completed to pipeline decompression protection, ensured that the safety of liquefied ammonia cargo handling process is normal,
When liquefied ammonia is unloaded, when the groove tank car (2) of splendid attire liquefied ammonia enters tank field, check its safety valve, terminal valve, manometric complete function, car body connects electrostatic discharge alarm device, detects in real time and eliminate car body static;
Gas phase is loaded and unloaded to arm (14), liquid phase handling arms (12) and is connected with groove tank car (2) gas phase, the liquid phase pipeline of splendid attire liquefied ammonia respectively, open on-site manual valve and control valve, crack handling arm ball valve is interface leak test lentamente, and confirmation air-tightness is intact;
Valve opening on the gas ammonia pipe of ammonia buffering storage tank (3) outlet, the ammonia flash distillation of ammonia buffering storage tank (3) is that gas ammonia enters after compressor (19) compression boost, successively through compressor (19) outlet, gas phase pipe, gas phase handling arms (14) enter in the groove tank car (2) of train tank car or automobile splendid attire liquefied ammonia, pressurized of liquefied ammonia in the groove tank car (2) of splendid attire liquefied ammonia, pressure raises gradually, in the time that pressure cushions the pressure of storage tank (3) higher than ammonia, liquefied ammonia in the groove tank car (2) of splendid attire liquefied ammonia is forced out, successively through discharging liquid phase handling arms (12), entering liquid phase Trunk Line (5) converges, and enter ammonia buffering storage tank (3) storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410488940.XA CN104197187B (en) | 2014-09-23 | 2014-09-23 | A kind of liquefied ammonia fills and the apparatus and method that unload |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410488940.XA CN104197187B (en) | 2014-09-23 | 2014-09-23 | A kind of liquefied ammonia fills and the apparatus and method that unload |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104197187A CN104197187A (en) | 2014-12-10 |
| CN104197187B true CN104197187B (en) | 2016-05-04 |
Family
ID=52082525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410488940.XA Active CN104197187B (en) | 2014-09-23 | 2014-09-23 | A kind of liquefied ammonia fills and the apparatus and method that unload |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104197187B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104555878B (en) * | 2015-01-09 | 2017-05-10 | 神华集团有限责任公司 | Tank vehicle unloading system |
| CN105890687A (en) * | 2016-06-27 | 2016-08-24 | 河南中托力合化学有限公司 | Precision metering device for oil product unloading |
| CN107327697B (en) * | 2017-08-14 | 2023-07-07 | 青岛锐丰源化工有限公司 | Unloading system for gas and liquefied gas |
| CN109114416A (en) * | 2018-08-28 | 2019-01-01 | 江门市江海区吉安顺化工有限公司 | A kind of liquid ammonia pouring equipment |
| CN108870065B (en) * | 2018-08-28 | 2024-03-12 | 江门市江海区吉安顺化工有限公司 | Liquid ammonia fills dress production line |
| CN109458553B (en) * | 2018-11-09 | 2024-03-19 | 浙江英德赛半导体材料股份有限公司 | Emergency air supply system of high-purity ammonia tank car |
| CN109553058B (en) * | 2019-01-08 | 2020-08-04 | 天津辰力工程设计有限公司 | Low-temperature propane ship unloading and heating process |
| CN109681778A (en) * | 2019-01-28 | 2019-04-26 | 安庆市泰发能源科技有限公司 | More parking stall liquid entrucking flow automatic control devices |
| CN110207007A (en) * | 2019-07-02 | 2019-09-06 | 广州从化中燃城市燃气发展有限公司 | A kind of CNG gas storage well compressed natural gas recovery system and its control method |
| US11613458B2 (en) | 2020-02-18 | 2023-03-28 | Dean Grose | Tanker truck manifold level measurement systems and methods |
| CN114263848B (en) * | 2020-09-16 | 2023-09-26 | 重庆川维物流有限公司 | Low-pressure ammonia purging device for loading liquid ammonia tank truck and application method thereof |
| CN113028285B (en) * | 2021-03-23 | 2022-12-16 | 兖矿鲁南化工有限公司 | Process and system for blowing off air pipe in filling station |
| CN113120840A (en) * | 2021-05-25 | 2021-07-16 | 广东摩尔物联技术有限公司 | Train quantitative loading system and loading method |
| CN114407759B (en) * | 2022-02-25 | 2022-11-22 | 新泰市日进化工科技有限公司 | Safety monitoring system and monitoring method for liquid ammonia unloading |
| CN115289388A (en) * | 2022-04-19 | 2022-11-04 | 安道麦股份有限公司 | Low-temperature storage method for liquid ammonia |
| CN115507294B (en) * | 2022-06-21 | 2024-05-03 | 中控技术股份有限公司 | LNG storage station unloading method and system based on DCS system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053668A (en) * | 1990-12-21 | 1991-08-07 | 苏香瑞 | Storaging and filling system of liquefied petroleum gas |
| CN2478885Y (en) * | 2001-05-15 | 2002-02-27 | 自贡东方高压容器有限责任公司 | Liquefied petroleum gas storing and filling device |
| CN2700692Y (en) * | 2004-04-02 | 2005-05-18 | 郑州华达燃气设备有限公司 | Liquefied petroleum gas filling device |
| US7219682B2 (en) * | 2004-08-26 | 2007-05-22 | Seaone Maritime Corp. | Liquid displacement shuttle system and method |
| CN203348916U (en) * | 2013-07-08 | 2013-12-18 | 浙江华亿工程设计有限公司 | Pipeline material flow stabilizing device |
| CN203348913U (en) * | 2013-07-16 | 2013-12-18 | 瓮福（集团）有限责任公司 | Liquid ammonia loading and unloading system |
| CN204240048U (en) * | 2014-09-23 | 2015-04-01 | 瓮福（集团）有限责任公司 | The device of a kind of liquid ammonia pouring and unloading |
-
2014
- 2014-09-23 CN CN201410488940.XA patent/CN104197187B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053668A (en) * | 1990-12-21 | 1991-08-07 | 苏香瑞 | Storaging and filling system of liquefied petroleum gas |
| CN2478885Y (en) * | 2001-05-15 | 2002-02-27 | 自贡东方高压容器有限责任公司 | Liquefied petroleum gas storing and filling device |
| CN2700692Y (en) * | 2004-04-02 | 2005-05-18 | 郑州华达燃气设备有限公司 | Liquefied petroleum gas filling device |
| US7219682B2 (en) * | 2004-08-26 | 2007-05-22 | Seaone Maritime Corp. | Liquid displacement shuttle system and method |
| CN203348916U (en) * | 2013-07-08 | 2013-12-18 | 浙江华亿工程设计有限公司 | Pipeline material flow stabilizing device |
| CN203348913U (en) * | 2013-07-16 | 2013-12-18 | 瓮福（集团）有限责任公司 | Liquid ammonia loading and unloading system |
| CN204240048U (en) * | 2014-09-23 | 2015-04-01 | 瓮福（集团）有限责任公司 | The device of a kind of liquid ammonia pouring and unloading |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104197187A (en) | 2014-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104197187B (en) | A kind of liquefied ammonia fills and the apparatus and method that unload | |
| CN204240048U (en) | The device of a kind of liquid ammonia pouring and unloading | |
| CN101672748B (en) | 400MPa super-high pressure fatigue test device and test method | |
| US8783307B2 (en) | CNG time fill system and method with safe fill technology | |
| CN205023834U (en) | Corrosive liquids is constant voltage automatic discharge system for material | |
| CN209209575U (en) | A kind of chemical drum with automatic liquid level monitoring device | |
| CN102207244A (en) | Skid-mounted-type liquefied natural gas filling device for automobiles | |
| CN203767994U (en) | No-leakage unloading device for tank wagon | |
| CN107867411A (en) | A kind of full-automatic in-orbit supplementing device | |
| CN109708896B (en) | Quantitative filling device and method for attitude control power system | |
| CN102297339B (en) | Control loop capable of changing filling pressure and control method thereof | |
| CN203348913U (en) | Liquid ammonia loading and unloading system | |
| CN204372529U (en) | A kind of LNG Liquefied natural gas immersed pump sled liquid-adding device | |
| CN104865129A (en) | Skid-mounted multifunctional anti-blowout pipe pressure test system | |
| CN110562907B (en) | Automatic control system for unloading tank car light oil by using rotary piston pump and control method thereof | |
| CN203362672U (en) | pressure-gradient control valve set | |
| CN106969260B (en) | Liquefied natural gas low-temperature pump well exhaust system and control method | |
| CN113859556A (en) | Unmanned aerial vehicle oil tank ventilation supercharging device and use method thereof | |
| CN202124477U (en) | Liquid ammonia loading system | |
| CN205838566U (en) | A kind of railway is unloaded the safe Unloading Device in station | |
| KR101486549B1 (en) | System for automatically charging and controlling the gas for industry | |
| CN203423031U (en) | On-line intelligent oil supplementation vehicle for transformer | |
| CN203223740U (en) | Multi-channel parallel CNG (Compressed Natural Gas) skid-mounted gas unloading device | |
| CN206986975U (en) | A kind of high-building construction fire-fighting watering equipment | |
| CN206831141U (en) | A kind of automatic compression drying device of natural gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 550500 Guizhou Province, Qiannan Buyei and Miao Autonomous Prefecture Fuquan Racecourse town Yingbin Road No. 1 Wengfu group Patentee after: WENGFU GROUP Co.,Ltd. Address before: 23, 550002 floor, International Building, No. 57, South City Road, Nanming District, Guiyang, Guizhou Patentee before: WENGFU GROUP Co.,Ltd. |