CN105715949A - Low-temperature ethylene prestressed concrete full-container storage gasifying external transportation system - Google Patents
Low-temperature ethylene prestressed concrete full-container storage gasifying external transportation system Download PDFInfo
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- CN105715949A CN105715949A CN201610224345.4A CN201610224345A CN105715949A CN 105715949 A CN105715949 A CN 105715949A CN 201610224345 A CN201610224345 A CN 201610224345A CN 105715949 A CN105715949 A CN 105715949A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/02—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/12—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge with provision for thermal insulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
- F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0612—Wall structures
- F17C2203/0614—Single wall
- F17C2203/0619—Single wall with two layers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0636—Metals
- F17C2203/0639—Steels
- F17C2203/0643—Stainless steels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0678—Concrete
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/013—Single phase liquid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
- F17C2225/0107—Single phase
- F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/01—Propulsion of the fluid
- F17C2227/0128—Propulsion of the fluid with pumps or compressors
- F17C2227/0135—Pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0302—Heat exchange with the fluid by heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0337—Heat exchange with the fluid by cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0367—Localisation of heat exchange
- F17C2227/0388—Localisation of heat exchange separate
- F17C2227/039—Localisation of heat exchange separate on the pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/04—Reducing risks and environmental impact
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0102—Applications for fluid transport or storage on or in the water
- F17C2270/0105—Ships
Abstract
The invention relates to a low-temperature ethylene prestressed concrete full-container storage gasifying external transportation system which mainly comprises a shipping and unshipping system, a low-temperature ethylene storage tank, a BOG reliquefaction system, a MTO feeding liquification system, a gasifying external transportation system and a torch incineration system, wherein the shipping system is characterized in that the low-temperature ethylene storage tank storing low-temperature liquid ethylene is connected with a low-temperature liquid ship by a shipping pump and a pipeline erected to a wharf and via a liquid delivery arm; the unshipping system is characterized in that the low-temperature liquid ship storing the liquid ethylene is connected with the low-temperature ethylene storage tank by the liquid delivery arm and the pipeline; the MTO feeding liquification system comprises an ice maker system used for cooling gaseous ethylene delivered by a liquefied MTO factory to from low-temperature liquid ethylene and is connected with the low-temperature ethylene storage tank by a delivery pipeline; the gasifying external transportation system comprises an external transportation pump arranged in the low-temperature ethylene storage tank, and the external transportation pump is connected with an externally arranged gasifying system by an external transportation pipe and is connected to a gaseous pipe network; and the system has the characteristics of being simple and reasonable in structure, convenient to use, safe and reliable, low in cost, and energy-saving and environment-friendly.
Description
Technical field
The present invention relates to a kind of low temperature ethylene prestressed concrete and entirely hold the tank storage outer communication system of gasification and outer transmission method, belong to low temperature ethylene storage and conveying technology field.
Background technology
Being presently used for the large-scale low-temperature ethylene tank of storing liquid ethylene to be generally adopted bimetallic list and hold tank, along with the consideration of the expansion of storage capacity and safety aspect, low temperature ethylene tank begins with prestressed concrete and entirely holds jar structure.Conventional bimetallic list holds tank inner canister and is made up of rustless steel, and outer tank is made up of carbon steel or low alloy steel.Once inner canister is broken or leaks, outer tank cannot bear low temperature, and low temperature ethylene overflows at once, causes the massive losses of economy and safety.Adopt prestressed concrete entirely to hold jar structure inner canister to be made up of rustless steel, outer tank is made up of prestressed concrete, and when inner canister is broken or leaks, low temperature ethylene can be all saved in outer tank interlayer by concrete outer tank, will not leaking to the external world, security performance is greatly reinforced.Supporting prestressed concrete holds the ethylene outer defeated system of storage gasification of jar structure entirely also has many innovations and difference with the system of the bimetallic jar structure of tradition routine.
In the past, the source of ethylene generally adopted atmospheric low-temperature groove ship from external import, was unloaded to refrigerated storage tank by liquid ethylene by harbour.Along with MTO(methanol-to-olefins) maturation of technique, the ethylene pipeline produced in MTO factory is delivered to tank field, after liquefaction system, the cryogenic liquid becoming normal pressure is saved in tank.If having ethylene more than needed, it is also possible to by liquid ethylene through ship-loading system, being delivered to cryostat outboard and selling.
Summary of the invention
It is an object of the invention to the deficiency overcoming prior art to exist, and provide a kind of simple and reasonable for structure, easy to use, safe and reliable, cost is low, and the low temperature ethylene prestressed concrete of energy-conserving and environment-protective holds the tank storage outer communication system of gasification entirely.
It is an object of the invention to complete by following technical solution, a kind of low temperature ethylene prestressed concrete holds the tank storage outer communication system of gasification entirely, it mainly includes shipment and ship-unloading system, low temperature ethylene basin, the re-liquefied system of BOG, MTO charging liquefaction system, gasify outer communication system and torch CIU, and described ship-loading system is: storage has the low temperature ethylene basin of low-temperature liquid ethylene by loading pump onto ship and being inserted into the pipeline of harbour and be connected to cryogenic liquid ship through transfusion arm；
Described ship-unloading system is: storage has the cryogenic liquid ship of liquid ethylene to be connected to low temperature ethylene basin by transfusion arm and pipeline；
Described MTO charging liquefaction system includes one for cooling liquid MTO(methanol-to-olefins) factory's gaseous ethylene of coming of conveying becomes the ice maker system of low-temperature liquid ethylene, and is connected to described low temperature ethylene basin by transfer pipeline；
The described outer communication system that gasifies includes an output pump being arranged in low temperature ethylene basin, and this output pump is connected to the gasification system of peripheral hardware by outer defeated pipe, and is connected to gaseous state pipe network.
As preferably: described low temperature ethylene basin is that ground type prestressed concrete holds tank entirely, and it is adopted low temperature resistant rustless steel by inner canister, outer tank is xoncrete structure composition；
The re-liquefied system of described BOG includes being connected to the appendix of tank deck in low temperature ethylene basin, one is connected in appendix to ethylene vapor carries out the BOG compressor of supercharging, this BOG compressor outlet connects an ice maker system that the ethylene vapor cooling liquid after supercharging can become low-temperature liquid ethylene, and this ice maker system is returned again through a throttling arrangement and is connected to low temperature ethylene basin；
Described low temperature ethylene basin connects also by pipeline and gaseous ethylene can be burnt into carbon dioxide and water and discharge the torch CIU to air
The present invention has simple and reasonable for structure, easy to use, safe and reliable, the features such as cost is low, energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the structure composition schematic diagram of system of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be described in detail: shown in Fig. 1, a kind of low temperature ethylene prestressed concrete of the present invention holds the tank storage outer communication system of gasification entirely, it mainly includes shipment and ship-unloading system, low temperature ethylene basin, the re-liquefied system of BOG, MTO charging liquefaction system, gasify outer communication system and torch CIU, and described ship-loading system is: storage has the low temperature ethylene basin of low-temperature liquid ethylene by loading pump onto ship and being inserted into the pipeline of harbour and be connected to cryogenic liquid ship through transfusion arm；
Described ship-unloading system is: storage has the cryogenic liquid ship of liquid ethylene to be connected to low temperature ethylene basin by transfusion arm and pipeline；
Described MTO charging liquefaction system includes one for cooling liquid MTO(methanol-to-olefins) factory's gaseous ethylene of coming of conveying becomes the ice maker system of low-temperature liquid ethylene, and is connected to described low temperature ethylene basin by transfer pipeline；
The described outer communication system that gasifies includes an output pump being arranged in low temperature ethylene basin, and this output pump is connected to the gasification system of peripheral hardware by outer defeated pipe, and is connected to gaseous state pipe network.
Shown in figure, low temperature ethylene basin of the present invention is that ground type prestressed concrete holds tank entirely, and it is adopted low temperature resistant rustless steel by inner canister, and outer tank is xoncrete structure composition；
The re-liquefied system of described BOG includes being connected to the appendix of tank deck in low temperature ethylene basin, one is connected in appendix to ethylene vapor carries out the BOG compressor of supercharging, this BOG compressor outlet connects an ice maker system that the ethylene vapor cooling liquid after supercharging can become low-temperature liquid ethylene, and this ice maker system is returned again through a throttling arrangement and is connected to low temperature ethylene basin；
Described low temperature ethylene basin connects also by pipeline and gaseous ethylene can be burnt into carbon dioxide and water and discharge the torch CIU to air
Shown in figure, described harbour transfusion arm is connected between harbour low temperature ship and handling ship pipeline, and the handling ship pipeline other end is connected with low temperature ethylene basin.When unloading ship time, low-temperature liquid ethylene by pumping out on ship, through transfusion arm, handling ship pipeline, is delivered in low temperature ethylene basin and stores from harbour low temperature ship.Shipment pump is arranged in low temperature ethylene basin, and when shipment, low-temperature liquid ethylene is pumped out by shipment in low temperature ethylene basin, through handling ship pipeline, transfusion arm, is connected with harbour low temperature ship.Liquid ethylene is delivered in the low temperature ship of harbour and stores.
Described low temperature ethylene basin is the capital equipment of liquid ethylene storage.Described ethylene tank adopts ground type prestressed concrete entirely to hold tank, and its outer tank adopts concrete to constitute, and in all basins, turnover material pipe all passes in and out at tank deck.Liquid pump (including above-mentioned shipment pump, output pump) defeated outside tank field is all arranged in tank, adopts pump configuration in tank.In tank, liquid ethylene is in storage process, is subject to the importing of external heat, produces gasification, and this part gaseous ethylene causes the pressure of jar to rise.By the re-liquefied system of BOG by gaseous ethylene post liquefaction, return again to ethylene tank, reduce the pressure of ethylene basin, so as to work under normal pressure.Tank deck is also equipped with other safety devices simultaneously, when the re-liquefied system cisco unity malfunction of BOG, it is possible to by the autocontrol valve at top and relief valve, gaseous ethene drains into torch CIU.Adopting this kind of prestressed concrete entirely to hold jar structure, low temperature ethylene basin need not arrange fire cofferdam, and the pump housing is all arranged in tank, greatly reduces the floor space of tank field, saves investment cost.This kind of prestressed concrete is adopted entirely to hold jar structure, under dangerous working condition, when such as fire, earthquake, when inner canister is broken or leaks, low temperature ethylene can be all saved in outer tank interlayer by concrete outer tank, will not leaking to the external world, the security performance of low temperature ethylene basin is greatly reinforced than conventional bimetallic tank.Owing to outer tank adopts xoncrete structure, with conventional metal outer tank, conductivity of heat is substantially reduced, and reduces the Daily boil-off-rate of jar, reduces the energy consumption of device.
The re-liquefied system of BOG includes described multiple stage BOG compressor, the first ice maker liquefaction system, the first lime set reception system (throttling arrangement).BOG compressor is connected with described low temperature ethylene tank by pipeline, and the first ice maker liquefaction system is connected with BOG compressor, and the first ice maker liquefaction system and the first lime set receive system and connect.First lime set is received system and is connected by pipeline with low temperature ethylene tank.From the gaseous ethene of ethylene tank top after BOG compressor compresses cools down, liquefy through the first ice maker liquefaction system, receive system throttles to after ethylene sump pressure, returning ethylene basin then through the first lime set.
The re-liquefied system of MTO includes described second ice maker liquefaction system and the second lime set receives system.MTO is upstream methanol-to-olefins factory, is delivered to ethylene storage gasification installation through piping.The gaseous ethylene of MTO factory conveying is by the second ice maker liquefaction system, gaseous ethylene is liquefied as low-temperature liquid ethylene in the second ice maker liquefaction system, receive system through described second lime set, after liquid ethylene throttling to ethylene sump pressure, be delivered to the storage of ethylene basin.
The outer communication system that gasifies includes described delivery pump, gasifier system.After in described low temperature ethylene basin, liquid ethylene is forced into downstream desirable pressure by delivery pump, through piping liquid ethylene to gasifier system.After being heated into room temperature gaseous ethylene in gasifier, it is connected to downstream gas factory through piping.
Torch CIU is connected with low temperature ethylene tank top by pipeline, and major function is that gaseous ethylene burns into carbon dioxide and water, discharges to air.Low temperature ethylene basin operationally, by the operating pressure in the re-liquefied system fading margin ethylene basin of BOG so that it is reach service pressure scope.When the re-liquefied system failure of BOG or gaseous ethylene system processing power re-liquefied beyond BOG, ethylene basin is automatically opened up by top automatic valve and relief valve, by gaseous ethylene by discharge of pipes to torch CIU.
Claims (2)
1. a low temperature ethylene prestressed concrete holds the tank storage outer communication system of gasification entirely, it mainly includes shipment and ship-unloading system, low temperature ethylene basin, the re-liquefied system of BOG, MTO charging liquefaction system, gasify outer communication system and torch CIU, it is characterised in that described ship-loading system is: storage has the low temperature ethylene basin of low-temperature liquid ethylene by loading pump onto ship and being inserted into the pipeline of harbour and be connected to cryogenic liquid ship through transfusion arm；
Described ship-unloading system is: storage has the cryogenic liquid ship of liquid ethylene to be connected to low temperature ethylene basin by transfusion arm and pipeline；
Described MTO charging liquefaction system includes a gaseous ethylene come for the conveying of cooling liquid MTO factory and becomes the ice maker system of low-temperature liquid ethylene, and is connected to described low temperature ethylene basin by transfer pipeline；
The described outer communication system that gasifies includes an output pump being arranged in low temperature ethylene basin, and this output pump is connected to the gasification system of peripheral hardware by outer defeated pipe, and is connected to gaseous state pipe network.
2. low temperature ethylene prestressed concrete according to claim 1 holds the tank storage outer communication system of gasification entirely, it is characterized in that described low temperature ethylene basin is that ground type prestressed concrete holds tank entirely, it is adopted low temperature resistant rustless steel by inner canister, and outer tank is xoncrete structure composition；
The re-liquefied system of described BOG includes being connected to the appendix of tank deck in low temperature ethylene basin, one is connected in appendix to ethylene vapor carries out the BOG compressor of supercharging, this BOG compressor outlet connects an ice maker system that the ethylene vapor cooling liquid after supercharging can become low-temperature liquid ethylene, and this ice maker system is returned again through a throttling arrangement and is connected to low temperature ethylene basin；
Described low temperature ethylene basin connects also by pipeline and gaseous ethylene can be burnt into carbon dioxide and water and discharge the torch CIU to air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610224345.4A CN105715949A (en) | 2016-04-12 | 2016-04-12 | Low-temperature ethylene prestressed concrete full-container storage gasifying external transportation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610224345.4A CN105715949A (en) | 2016-04-12 | 2016-04-12 | Low-temperature ethylene prestressed concrete full-container storage gasifying external transportation system |
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| CN105715949A true CN105715949A (en) | 2016-06-29 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641703A (en) * | 2016-12-30 | 2017-05-10 | 浙江新锐空分设备有限公司 | Shipping and unshipping system of low-temperature liquid-state ethylene storage tank |
| CN109027667A (en) * | 2018-07-31 | 2018-12-18 | 荆门宏图特种飞行器制造有限公司 | Liquefied gas storage uninstalling system |
| CN113266759A (en) * | 2021-05-11 | 2021-08-17 | 中国空分工程有限公司 | Ethylene combined storage system and method |
| CN113864651A (en) * | 2021-11-03 | 2021-12-31 | 中煤陕西榆林能源化工有限公司 | Reverse recovery system and method for separating methanol from olefin |
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| 孙艳: "低温乙烯储运过程中的节能措施", 《广州化工》 * |
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| CN109027667A (en) * | 2018-07-31 | 2018-12-18 | 荆门宏图特种飞行器制造有限公司 | Liquefied gas storage uninstalling system |
| CN113266759A (en) * | 2021-05-11 | 2021-08-17 | 中国空分工程有限公司 | Ethylene combined storage system and method |
| CN113266759B (en) * | 2021-05-11 | 2022-06-03 | 中国空分工程有限公司 | Ethylene combined storage system and method |
| CN113864651A (en) * | 2021-11-03 | 2021-12-31 | 中煤陕西榆林能源化工有限公司 | Reverse recovery system and method for separating methanol from olefin |
| CN113864651B (en) * | 2021-11-03 | 2024-02-20 | 中煤陕西能源化工集团有限公司 | Reverse recovery system and method for olefin separation methanol |
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