CN205118654U - System for BOG who retrieves production of LNG storage tank is as hydrogen manufacturing fuel gas - Google Patents
System for BOG who retrieves production of LNG storage tank is as hydrogen manufacturing fuel gas Download PDFInfo
- Publication number
- CN205118654U CN205118654U CN201520855272.XU CN201520855272U CN205118654U CN 205118654 U CN205118654 U CN 205118654U CN 201520855272 U CN201520855272 U CN 201520855272U CN 205118654 U CN205118654 U CN 205118654U
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- bog
- storage tank
- lng
- pipeline
- ball valve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/34—Hydrogen distribution
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a system for BOG who retrieves production of LNG storage tank is as hydrogen manufacturing fuel gas, it is including the LNG storage tank, the upper portion of LNG storage tank is equipped with tube coupling TRK, the TRK export is equipped with the leading -in pipeline of BOG, the BOG buffer tank is connected to the leading -in pipeline of BOG, the export of BOG buffer tank is equipped with BOG and derives the pipeline, BOG derives the pipeline and connects flow quantity recorder, the BOG that flow quantity recorder connects LNG schizolysis hydrogen preparation equipment receives the buffer tank, BOG receives the buffer tank and connects LNG schizolysis hydrogen manufacturing reborner, the bottom of LNG storage tank be equipped with LNG and fill and put into the storage tank pipeline and fill with LNG and adorn out the storage tank pipeline. The utility model discloses a BOG that the LNG storage tank produced retrieves the efficiency maximize of recycling, has energy saving and emission reduction's positive effect.
Description
Technical field
The utility model relates to gas and reclaims field, particularly relates to a kind of BOG reclaiming LNG storage tank and produce, and then by the system for hydrogen-producing fuel gas.
Background technique
LNG Liquefied natural gas (LNG), main component is methane, and being recognized is the energy the cleanest on the earth.It uses mainly as fuel, is also applied to the production of industrial chemicals simultaneously.And cryogen LNG is in the process stored and operate, because natural heat transmission and system cools need, all inevitably produce a certain amount of LNG steam, i.e. BOG.BOG is the gas that a kind of greenhouse effect are very strong, forbids directly to be discharged in air.Nowadays reclaim BOG gas and often adopt recondensation process, the BOG gas being about to produce is by compressor pressurizes, and direct heat transfer liquefaction in after-condenser, its equipment investment is comparatively large, and energy consumption is higher, under protection of the environment requires, adds the cost of production of LNG.
Summary of the invention
Goal of the invention of the present utility model is the shortcoming in order to overcome background technique, combine by producing line with hydrogen manufacturing, there is provided a kind of BOG reclaiming LNG storage tank generation that utilizes as the technological scheme of hydrogen-producing fuel gas, be intended to the maximizing efficiency solving the BOG recycling that LNG storage tank produces, for LNG cracking hydrogen production reburner provides the diversification utilization of fuel gas.
The technical solution of the utility model is: a kind of system of BOG as hydrogen-producing fuel gas reclaiming LNG storage tank generation, it includes LNG storage tank, the top of LNG storage tank is provided with pipeline and connects air-heating type gasifier, air-heating type gasifier outlet is provided with BOG incoming line, BOG incoming line connects BOG knock out drum, the outlet of BOG knock out drum is provided with BOG outgoing line, BOG outgoing line connects flow quantity recorder, the BOG that flow quantity recorder connects LNG cracking hydrogen production equipment receives knock out drum, BOG receives knock out drum and connects LNG cracking hydrogen production reburner, the bottom of described LNG storage tank is provided with LNG and fills and fill out storage tank pipeline into storage tank pipeline and LNG.
The beneficial effects of the utility model are: the BOG recycling that LNG storage tank produces is hydrogen-producing fuel device of air, the BOG produced bottom LNG storage tank is heated by air-heating type gasifier, make BOG thoroughly change gaseous component into and enter BOG knock out drum, be supplied to hydrogen manufacturing conversion furnace and do fuel gas use, achieve the maximizing efficiency of the BOG recycling that LNG storage tank produces, there is the good effect of energy-saving and emission-reduction.
Accompanying drawing explanation
1, be the utility model system architecture schematic diagram;
Wherein: 1:LNG storage tank, 2:BOG incoming line, 3: air-heating type gasifier, 4:BOG knock out drum, 5:BOG outgoing line, 6: flow quantity recorder, 7:BOG receive knock out drum, 8:LNG cracking hydrogen production reburner, 9:LNG fills into storage tank pipeline, and 10:LNG fills out storage tank pipeline, V1 ~ V2 and V7 ~ V8: safety check, V3 ~ V5, V10 ~ V11, V13 ~ V17, V19 ~ V20: ball valve, V6, V12, V18: pressure regulator valve.
Embodiment
In order to be illustrated more clearly in the purpose of this utility model or technological scheme of the prior art, will be further elaborated to the utility model below.
As shown in Figure 1: a kind of system of BOG as hydrogen-producing fuel gas reclaiming LNG storage tank generation, it includes LNG storage tank (1), the top of LNG storage tank is provided with pipeline and connects air-heating type gasifier (3), air-heating type gasifier outlet is provided with BOG incoming line (2), BOG incoming line connects BOG knock out drum (4), the outlet of BOG knock out drum is provided with BOG outgoing line (5), BOG outgoing line connects flow quantity recorder (6), the BOG that flow quantity recorder connects LNG cracking hydrogen production equipment receives knock out drum (7), BOG receives knock out drum and connects LNG cracking hydrogen production reburner (8).
The bottom of described LNG storage tank is provided with LNG and fills and fill out storage tank pipeline (10) into storage tank pipeline (9) with LNG, is embodied as to fill the tolerance with BOG according to LNG storage tank pressure and Liquid level LNG, thus realizes the self balancing of LNG storage tank.
The BOG that described air-heating type gasifier (3) produces for LNG storage tank (1) makes it heat further, and it act as LNG cracking hydrogen production reburner burning preheating.
The airintake direction that described LNG fills into storage tank pipeline is provided with ball valve (V3) and safety check (V1) successively, and the outgassing direction that LNG fills out storage tank pipeline is provided with ball valve (V4) and safety check (V2) successively.
The pipeline that the top of described LNG storage tank is connected with air-heating type gasifier is provided with successively ball valve (V5), pressure regulator valve (V6) and safety check (V7).
Be provided with safety check (V8) and ball valve (V9) between described air-heating type gasifier and BOG knock out drum successively, the bottom of BOG knock out drum is provided with the emptying pipeline with ball valve (V11).
Described BOG outgoing line receives knock out drum direction and is provided with ball valve (V10), pressure regulator valve (V12), ball valve (V13), flow quantity recorder (6), ball valve (V15) successively from BOG knock out drum to BOG, wherein also be parallel with the pipeline with ball valve (V14) in the rear end of ball valve (V13) front end and ball valve (V15), be provided with the emptying pipeline with ball valve (V17) in the bottom that BOG receives knock out drum.
Described BOG knock out drum (4) is for BOG buffering and store, thus make it send into buffer memory effect that LNG cracking hydrogen production system has thick portion, BOG knock out drum is connected by BOG outgoing line (5) with flow quantity recorder (6), in BOG knock out drum (4) outlet, pressure regulator valve (V12) is installed, regulates the ball valve (V10) of the air outlet realizing control BOG knock out drum by pressure.Described flow quantity recorder (6) makes gas consumption for settling accounts BOG, better can realize both sides and use the clearing of BOG to check.
The BOG that the BOG entering LNG cracking hydrogen production system by flow quantity recorder (6) first enters cracking hydrogen production equipment receives knock out drum (7), and it act as and enters the front buffering of LNG cracking hydrogen production reburner (8).The outlet be connected in the buffering that BOG reception knock out drum (7) is front with LNG cracking hydrogen production reburner (8) is provided with pressure regulator valve (V18), is regulated realize the ball valve (V16) that control BOG receives the air outlet of knock out drum (7) by pressure.
The device that described LNG cracking hydrogen production reburner (8) is the utility model final utilization, completes the effect of the BOG recycling that its LNG storage tank produces, two inlet ductwork is respectively equipped with ball valve (V19, V20).
Claims (5)
1. one kind is reclaimed the system of BOG as hydrogen-producing fuel gas of LNG storage tank generation, it is characterized in that it includes LNG storage tank (1), the top of LNG storage tank is provided with pipeline and connects air-heating type gasifier (3), air-heating type gasifier outlet is provided with BOG incoming line (2), BOG incoming line connects BOG knock out drum (4), the outlet of BOG knock out drum is provided with BOG outgoing line (5), BOG outgoing line connects flow quantity recorder (6), the BOG that flow quantity recorder connects LNG cracking hydrogen production equipment receives knock out drum (7), BOG receives knock out drum and connects LNG cracking hydrogen production reburner (8), the bottom of described LNG storage tank is provided with LNG and fills and fill out storage tank pipeline (10) into storage tank pipeline (9) with LNG.
2. the system of BOG as hydrogen-producing fuel gas reclaiming LNG storage tank generation as claimed in claim 1, it is characterized in that the airintake direction that described LNG fills into storage tank pipeline is provided with ball valve (V3) and safety check (V1) successively, the outgassing direction that LNG fills out storage tank pipeline is provided with ball valve (V4) and safety check (V2) successively.
3. the system of BOG as hydrogen-producing fuel gas reclaiming LNG storage tank generation as claimed in claim 1, is characterized in that the pipeline that the top of described LNG storage tank is connected with air-heating type gasifier being provided with successively ball valve (V5), pressure regulator valve (V6) and safety check (V7).
4. the system of BOG as hydrogen-producing fuel gas reclaiming LNG storage tank generation as claimed in claim 1, it is characterized in that being provided with safety check (V8) and ball valve (V9) between described air-heating type gasifier and BOG knock out drum successively, the bottom of BOG knock out drum is provided with the emptying pipeline with ball valve (V11).
5. the system of BOG as hydrogen-producing fuel gas reclaiming LNG storage tank generation as claimed in claim 1, it is characterized in that described BOG outgoing line receives knock out drum direction and is provided with ball valve (V10), pressure regulator valve (V12), ball valve (V13), flow quantity recorder (6), ball valve (V15) successively from BOG knock out drum to BOG, wherein also be parallel with the pipeline with ball valve (V14) in the rear end of ball valve (V13) front end and ball valve (V15), be provided with the emptying pipeline with ball valve (V17) in the bottom that BOG receives knock out drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520855272.XU CN205118654U (en) | 2015-10-29 | 2015-10-29 | System for BOG who retrieves production of LNG storage tank is as hydrogen manufacturing fuel gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520855272.XU CN205118654U (en) | 2015-10-29 | 2015-10-29 | System for BOG who retrieves production of LNG storage tank is as hydrogen manufacturing fuel gas |
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| Publication Number | Publication Date |
|---|---|
| CN205118654U true CN205118654U (en) | 2016-03-30 |
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| CN201520855272.XU Active CN205118654U (en) | 2015-10-29 | 2015-10-29 | System for BOG who retrieves production of LNG storage tank is as hydrogen manufacturing fuel gas |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383041A (en) * | 2021-12-17 | 2022-04-22 | 沪东中华造船(集团)有限公司 | BOG (boil off gas) utilization system for LNG (liquefied natural gas) transport ship and power generation method |
| NO20211487A1 (en) * | 2021-12-10 | 2023-06-12 | Rotoboost As | Method and system for feed supply with reduced CO2 emissions on a marine facility |
| NO20211486A1 (en) * | 2021-12-10 | 2023-06-12 | Rotoboost As | Method of depressurizing cryogenic marine industry tanks containing Liquified Natural Gas |
-
2015
- 2015-10-29 CN CN201520855272.XU patent/CN205118654U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO20211487A1 (en) * | 2021-12-10 | 2023-06-12 | Rotoboost As | Method and system for feed supply with reduced CO2 emissions on a marine facility |
| NO20211486A1 (en) * | 2021-12-10 | 2023-06-12 | Rotoboost As | Method of depressurizing cryogenic marine industry tanks containing Liquified Natural Gas |
| CN114383041A (en) * | 2021-12-17 | 2022-04-22 | 沪东中华造船(集团)有限公司 | BOG (boil off gas) utilization system for LNG (liquefied natural gas) transport ship and power generation method |
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| C14 | Grant of patent or utility model | ||
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