CN104613315A - Large-waterhead wharf board natural gas supply method - Google Patents
Large-waterhead wharf board natural gas supply method Download PDFInfo
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- CN104613315A CN104613315A CN201510055280.0A CN201510055280A CN104613315A CN 104613315 A CN104613315 A CN 104613315A CN 201510055280 A CN201510055280 A CN 201510055280A CN 104613315 A CN104613315 A CN 104613315A
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Abstract
The invention relates to a large-waterhead wharf board natural gas supply method. The large-waterhead wharf board natural gas supply method includes the steps of setting the river surface flood-season maximum water level and the largest distance by which a wharf boat floats to be away from a bank; installing a pressure adjustment measuring cabinet at the portion, higher than the maximum water level, of the river bank, and carrying out pressure adjustment on medium-pressure fuel gas to enable the medium-pressure fuel gas to be low-pressure fuel gas required by the wharf boat; installing two fuel control devices at the ends of low-pressure buried fuel gas pipes with different horizontal heights respectively to meet the gas supply requirements of the wharf boat at different river-surface water levels; delivering the fuel gas to the wharf boat through metal gas supply hoses special for the wharf boat. The non-bendable characteristic of common delivering steel pipes is overcome through the metal gas supply hoses special for the wharf boat, and meanwhile the defects that traditional delivering hoses are insufficient in gas supply amount and poor in pressure resistant capacity are overcome. In addition, as emergency releasing devices are installed at the two ends of the metal gas supply hoses special for the wharf boat respectively, after the metal gas supply hoses special for the wharf boat are pulled to be broken accidentally, valves of the emergency releasing devices are rapidly closed, and potential safety hazards such as fire disasters and explosions caused by natural gas leakage are accordingly avoided.
Description
Technical field
The present invention relates to natural gas supply method, particularly relate to the method for a kind of high water level difference landing stage supply rock gas.
Background technique
Landing stage is the rectangle flatboat of unpowered device, is usually fixed on bank, only uses as floating wharf at first, for handling goods or upper and lower for pedestrian, after along with the development in epoch, the raising of people's quality of the life, more and more makes earnest efforts amusement on water gradually.Based on so, landing stage is also used as the use such as business, amusement.
At present, most landing stage is all provided with the restaurant for people's food and drink.Because landing stage swims on rivers, if directly connect natural gas line from land for the gas supply in kitchen, restaurant on landing stage, existing problem is, natural gas line generally adopts steel pipe, to ensure the tightness of body, rigidity and robustness, thus avoid gases did escape phenomenon.If but running into flood season, river surface raises, and landing stage is just subjected to displacement change thereupon, and because steel pipe quality is hard, the ground that natural gas line is connected with landing stage is convenient crack can occur, thus causes the problem of Leakage Gas.And if adopt flexible pipe transport gas body, because caliber is little, tube wall is thin, the pressure of combustion gas in pipe cannot be born, and the gas consumption on landing stage can not be met.
So the general liquefied petroleum gas (LPG) that adopts carries out air feed at present, but it is far from being enough that the liquefied petroleum gas (LPG) for a tank net weight 13kg will meet nearly 2,000 people diet consumption amount all day, so need when in use ceaselessly to change fuel tube, problem existing for this mode is, if be in the cooking stage when dying, the mouthfeel of vegetable can be affected, thus affect the sales volume of businessman; And belong to explosive material due to liquefied petroleum gas (LPG), not easily collectd and be placed on landing stage, carried a few tank liquefied petroleum gas (LPG) on landing stage so need artificial every day, again liquefied gas tank is moved down ship after being finished and go to change, this mode complex operation and labor intensive.The calorific value that can produce after the liquefied petroleum gas combustion of one tank net weight 13kg, only with 16m
3the calorific value produced after combustion of natural gas is suitable.One tank liquefied petroleum gas (LPG) price is generally at about 90 yuan, and rock gas is by Chongqing region business gas price lattice 2.96 yuan/m
3calculate, 16m
3gas Prices only needs about 50 yuan.So from price, the cost of liquefied petroleum gas (LPG) is far away higher than gasification gas cost.So based on above shortcoming, what operation commercial city, each landing stage was urgent wants to find a kind of method supplying rock gas directly to landing stage.
Summary of the invention
The object of this invention is to provide the method for a kind of high water level difference landing stage supply rock gas, cannot to the problem of supply gas rock gas on landing stage in prior art to solve.
In order to solve the problems of the technologies described above, the invention provides the method for a kind of high water level difference landing stage supply rock gas, the step of described method includes:
Step 1: the non-flood period day ordinary water level of setting river surface is M rice;
Step 2: the maximum distance K rice on landing stage drift offshore limit when setting river surface is in non-flood period day ordinary water level;
Step 3: the maximum distance L rice on drift offshore limit, landing stage during setting river surface flood season;
Step 4: setting river surface highest water level in flood season H rice;
Step 5: higher than water level (H+ H
1) rice river bank on bury middle pressure steel gas pipe underground underground, and interface that is reserved and gas pressure adjusting metering cabinet, wherein H
1>=20 meters, the design pressure of middle pressure steel gas pipe underground is 0.4MPa;
Step 6: the pre-buried low pressure steel gas pipe underground to landing stage air feed on river bank, and interface that is reserved and pressure adjusting metering cabinet, the design pressure of its mesolow steel gas pipe underground is 10KPa;
Step 7: low pressure steel gas pipe underground in step 6 arranges two supplying terminal interfaces, wherein the first supplying terminal interface is arranged on higher than water level (H+ H
1) rice river bank on, the second supplying terminal interface is arranged on higher than water level (M+M
1) rice river bank on, wherein M
1>=10 meters;
Step 8: higher than water level (H+ H
1) rice river bank on pressure adjusting metering cabinet is installed, and setting pressure adjusting metering cabinet, to export the delivery pressure of combustion gas to low-pressure line be 2.2KPa-2.8KPa;
Step 9: the spare interface of the combustion gas input end of pressure adjusting metering cabinet with middle pressure steel gas pipe underground is communicated with, and the combustion gas output terminal of pressure adjusting metering cabinet is communicated with the spare interface of low pressure steel gas pipe underground;
Step 10: the first supplying terminal interface respectively described in step 7 and the second supplying terminal interface install the first controller for gas and the second controller for gas, and reserve first terminal landing stage air supply opening and the second terminal landing stage air supply opening respectively;
Step 11: the distance setting the first controller for gas distance water bank is T rice;
Step 12: according to the situation of flood season and non-flood period, special-purpose metal air supply hose one end, landing stage is arranged on the first terminal landing stage air supply opening described in step 10 or the second terminal landing stage air supply opening, wherein the resistance to pressure pressure of landing stage special-purpose metal air supply hose is 8MPa, operating temperature is-30 DEG C to 100 DEG C, its length is greater than (T+L) rice, and the diameter of landing stage special-purpose metal air supply hose is 50mm to 200mm;
Step 13: according to NBS CJJ94-2009 on landing stage, combustion gas steam line and various security system in design and installation ship, and reserved communicate with landing stage special-purpose metal air supply hose connect gas port;
Step 14: what the landing stage special-purpose metal air supply hose the other end is arranged on the reserved landing stage special-purpose metal air supply hose of step 13 communicates connects on gas port;
Step 15: open the steam supply valve of pressure adjusting metering cabinet and the control valve of controller for gas, can realize in different water-head situation to landing stage air feed object.
Adopt technique scheme, by by from press dry line natural gas via voltage-regulating system carry out pressure regulation after obtain rock gas needed for landing stage.Rock gas after pressure regulation is input in control system.Be be connected by landing stage special-purpose metal air supply hose between control system with landing stage, and landing stage special-purpose metal air supply hose have body combination closely, uses softness, is out of shape the advantage of little, resistance to circumnutating property and fatigue resistance under stress.So landing stage special-purpose metal air supply hose overcomes the not bent property of common conveying steel pipe, overcome the shortcoming that traditional delivery hose air demand is not enough, anti-pressure ability is bad simultaneously.By using landing stage special-purpose metal air supply hose to the connection of natural gas line in landing stage and control system.Just the liquefied petroleum gas tank (the additional 13kg gas can of liquefied petroleum gas (LPG) of net weight 13kg) without the need to carrying the 26kg that weighs again enters landing stage, decreases human cost.Analyze from price on the other hand, because pipe natural gas price is well below liquefied petroleum gas (LPG), so the cost that this method will reduce greatly to landing stage supply rock gas.Simultaneously again by two set-up of control systems in height two place that horizontal position is different, to meet rock gas in control system to the regular supply of landing stage when flood season or drought period to landing stage.In addition, an emergency separating device is installed at the two ends of landing stage special-purpose metal air supply hose and the joint on controller for gas and landing stage respectively, so no matter the landing stage special-purpose metal air supply hose of which end is by after unexpected breaking, emergency separating device just automatic closure valve fast, thus the potential safety hazard such as fire, blast preventing that the wasting of resources that causes because of natural gas leaking or rock gas from causing.
Further, the structure of the landing stage special-purpose metal air supply hose described in step 12, step 13, step 14 is as follows: it comprises metallic hose body, metallic hose body two ends are provided with hose coupling, the two ends of described metallic hose are embedded in hose coupling respectively, wherein the hose coupling of one end has emergency separating device by Flange joint, and described emergency separating device is tightly connected by the first terminal landing stage air supply opening described in flange and step 12 or the second terminal landing stage air supply opening; The hose coupling of the other end is tightly connected by the gas port that connects described in flange and step 13.There is flange at emergency separating device two ends, landing stage special-purpose metal air supply hose and steam line conducting is realized by flange, artificial dismounting can be realized, special-purpose metal air supply hose two ends, landing stage embed hose coupling respectively, this avoid coming off of hose coupling, emergency separating device can when emergency case occurs, emergency separating device is forced to disconnect, two-part emergency separating device disconnected can realize the sealing of respective pipeline, prevent the leakage of rock gas, owing to adopting landing stage special-purpose metal air supply hose as steam line, landing stage special-purpose metal air supply hose has pliability, landing stage normal displacement on the water surface can be adapted to.
Further, for avoiding middle pressure steel gas pipe underground and low pressure steel gas pipe underground to be damaged, when pressing steel gas pipe underground in step 5 and step 6 and low pressure steel gas pipe underground is embedded in below motorway, the depth of burying is 0.9m, when being embedded in below non-motorway, the depth of burying is 0.6m.
Further, in order to avoid the time in flood season, under the impact of river, controller for gas is washed from home position and enters in the body of river, also comprise in step 10: combustion gas control cabinet cover is set on described first controller for gas and the second controller for gas, the structure of described combustion gas control cabinet cover is as follows: it comprises cabinet and is arranged at the mounting base below cabinet, and cabinet is threaded connection on mounting base; Described cabinet front and rear wall is provided with the through hole matched with controller for gas supply air line, described mounting base is provided with controller for gas supply air line positioning chamber with through hole opposite position place, be provided with the i shaped steel with supply air line form fit in described positioning chamber, described i shaped steel is threaded connection on mounting base.So, ensure that the stable of controller for gas on the one hand, avoid the pollution to rivers on the other hand.
Further, in order to avoid thunder and lightning is to the destruction of pressure adjusting metering cabinet, and electrostatic is on its impact, installs lighting protection device cashier's office in a shop at pressure regulation metering, anti-static grounding measure, and its earth resistance is less than 10
.
Further, described landing stage special-purpose metal air supply hose is enclosed with antiultraviolet material, to avoid ultraviolet, corrosion phenomenon is caused to landing stage special-purpose metal air supply hose.
Further, in order to support landing stage special-purpose metal air supply hose, avoiding it to be immersed in river, to extend its working life, between landing stage and river bank, a landing stage special-purpose metal air supply hose pontoon being set at interval of 1 meter.
Embodiment
The technical program provides the method for a kind of high water level difference landing stage supply rock gas, and the step of described method includes:
Step 1: the day ordinary water level of setting river surface is 160 meters;
Step 2: the maximum distance 20 meters setting drift offshore limit, landing stage during the day ordinary water level of river surface;
Step 3: the maximum distance 50 meters on drift offshore limit, landing stage during setting river surface flood season;
Step 4: setting river surface highest water level in flood season 180 meters;
Step 5: press steel gas pipe underground in burying underground on the river bank higher than water line 200 meters of, and interface that is reserved and gas pressure adjusting metering cabinet, the design pressure of middle pressure steel gas pipe underground is 0.8MPa;
Step 6: the pre-buried low pressure steel gas pipe underground to landing stage air feed on river bank, and interface that is reserved and pressure adjusting metering cabinet, the design pressure of its mesolow steel gas pipe underground is 10KPa;
When pressing steel gas pipe underground in handle and low pressure steel gas pipe underground is embedded in below motorway, its depth of burying is 0.9m, and when being embedded in below non-motorway, the depth of burying is 0.6m.When middle pressure steel gas pipe underground and low pressure steel gas pipe underground pass in waste pipe, thermal pipe and other various uses grooves, should be laid in sleeve pipe by middle pressure steel gas pipe underground and low pressure steel gas pipe underground, sleeve pipe stretches out the net level length that component beyond the region of objective existence wall should not be less than 6.3.3-1 gas pipeline and construction in specification GB50028-2006.Sleeve pipe two ends should adopt flexible corrosion protection, water-proofing material to seal.
To be embedded in ground press steel gas pipe underground and low pressure steel gas pipe underground to carry out soldered time, must 100% Radiographic inspection and ultrasonic inspection be carried out.Radiographic inspection must not lower than grade quality requirement of II in existing national standards GB-T 12605; Ultrasonic inspection must not lower than grade quality requirement of I in existing national standards GB 11345.
Step 7: low pressure steel gas pipe underground in step 6 arranges two supplying terminal interfaces, wherein the first supplying terminal interface is arranged on the river bank higher than water level 200 meters of, and the second supplying terminal interface is arranged on the river bank higher than water level 170 meters of;
Step 8: install pressure adjusting metering cabinet on the river bank higher than water level 200 meters of, and setting pressure adjusting metering cabinet, to export the delivery pressure of combustion gas to low-pressure line be 2.5KPa.This pressure adjusting metering cabinet has " Changzhou letter power ", and producer makes finished product separately, and its model is RB4700 series, during installation, install lighting protection device, anti-static grounding measure cashier's office in a shop, and its earth resistance is less than 10 at pressure regulation metering
.
Step 9: the spare interface of the combustion gas input end of pressure adjusting metering cabinet with middle pressure steel gas pipe underground is communicated with, and the combustion gas output terminal of pressure adjusting metering cabinet is communicated with the spare interface of low pressure steel gas pipe underground;
Step 10: the first supplying terminal interface respectively described in step 7 and the second supplying terminal interface install the first controller for gas and the second controller for gas, and reserve first terminal landing stage air supply opening and the second terminal landing stage air supply opening respectively.
Step 11: the distance setting the first controller for gas distance water bank is 20 meters; Because the second controller for gas is arranged on low water level place, in order to avoid the time in flood season, under the impact of river, controller for gas is washed from home position and enters in the body of river, described controller for gas arranges combustion gas control cabinet cover, described combustion gas control cabinet cover comprises cabinet and is arranged at the mounting base below cabinet, and cabinet is threaded connection on mounting base; Described cabinet front and rear wall is provided with the through hole matched with controller for gas supply air line, mounting base is provided with controller for gas supply air line positioning chamber with through hole opposite position place, be provided with the i shaped steel with supply air line form fit in described positioning chamber, described i shaped steel is threaded connection on mounting base.
Step 12: according to the situation of flood season and non-flood period, special-purpose metal air supply hose one end, landing stage is arranged on the first terminal landing stage air supply opening described in step 10 or the second terminal landing stage air supply opening, wherein the resistance to pressure pressure of landing stage special-purpose metal air supply hose is 8MPa, operating temperature is-30 DEG C to 100 DEG C, its length is greater than 70 meters, and the diameter of landing stage special-purpose metal air supply hose is 100mm.In order to support landing stage special-purpose metal air supply hose, avoiding it to be immersed in river, to extend its working life, between landing stage and river bank, a landing stage special-purpose metal air supply hose pontoon being set at interval of 1 meter.Caliber due to landing stage special-purpose metal air supply hose its ductility larger is poorer, so the ductility in order to meet landing stage special-purpose metal air supply hose, thus make it can change with the fluctuating of river surface, the demand of landing stage to rock gas will be met simultaneously, so employing at least two internal diameters are the landing stage special-purpose metal air supply hose of 100mm, be arranged on respectively on the control valve on controller for gas.Landing stage its working pressure of special-purpose metal air supply hose of this internal diameter is 8Mpa, and bursting pressure is 12Mpa, and minimum bending radius is 630mm.
Generally, two internal diameters are that the landing stage special-purpose metal air supply hose of 100mm carries out air feed to landing stage and met the demand of landing stage to combustion gas, but in order to meet demand increasing to combustion gas after landing stage expansion scale, so arrange 3 blowing mouths and be communicated with landing stage special-purpose metal air supply hose.
Step 13: according to NBS CJJ94-2009 on landing stage, combustion gas steam line and various security system in design and installation ship, and reserved communicate with landing stage special-purpose metal air supply hose connect gas port;
The structure of landing stage special-purpose metal air supply hose is as follows: it comprises metallic hose body, metallic hose body two ends are provided with hose coupling, the two ends of described metallic hose are embedded in hose coupling respectively, wherein the hose coupling of one end has emergency separating device by Flange joint, and described emergency separating device is tightly connected by the landing stage air supply opening described in flange and step 12; The hose coupling of the other end is tightly connected by the gas port that connects described in flange and step 13.Emergency separating device can when emergency case occurs, emergency separating device is forced to disconnect, two-part emergency separating device disconnected can realize the sealing of respective pipeline, prevent the leakage of rock gas, at the steam line adopting landing stage special-purpose metal air supply hose as gas station and landing stage, landing stage special-purpose metal air supply hose has pliability, can adapt to landing stage normal displacement on the water surface.
Step 14: what the landing stage special-purpose metal air supply hose the other end is arranged on the reserved landing stage special-purpose metal air supply hose of step 13 communicates connects on gas port;
Step 15: open the steam supply valve of pressure adjusting metering cabinet and the control valve of controller for gas, can realize in different water-head situation to landing stage air feed object.
When supposing that normal water level is 160m, landing stage special-purpose metal air supply hose is connected on the control valve of the low pressure steel gas pipe underground being positioned at bank.When running into season of rising, water level rises to 180m, is just disassembled from the first controller for gas being positioned at parking lot by this landing stage special-purpose metal air supply hose, and attaches it on the control valve that is positioned on the second controller for gas of eminence.
Originally state in technological scheme, by the highest water level of setting river surface in flood season, pressure adjusting metering cabinet is arranged on higher than highest water level place, river bank, to ensure that pressure adjusting metering cabinet is not inundated with flood.Controller for gas by the low-pressure fuel gas of middle pressure gas pressure regulating needed for landing stage, then is arranged on the terminal of low pressure steel gas pipe underground by recycling pressure adjusting metering cabinet.In the technical program, controller for gas is designed to two, be arranged on respectively a little more than day ordinary water level and flood season time highest water level river bank on, then by landing stage special-purpose metal air supply hose by fuel gas transmission on landing stage.So when river surface is in day ordinary water level, just use the first controller for gas to carry out air feed to landing stage, when flood season, just use the second controller for gas to carry out air feed to landing stage, thus to adapt to the air feed demand of landing stage at river surface difference water level.In addition again by measure landing stage float when flood season from maximum distance, choose the length of landing stage special-purpose metal air supply hose, be pulled off to avoid the landing stage special-purpose metal air supply hose when flood season.Simultaneously, the joint of controller for gas and landing stage and landing stage special-purpose metal air supply hose installs an emergency separating device respectively, even if landing stage special-purpose metal air supply hose is by after unexpected breaking, emergency separating device just automatic closure valve fast, thus prevent the potential safety hazard such as fire, blast that causes because of natural gas leaking.
Above-described is only the preferred embodiment of the present invention; should be understood that; for a person skilled in the art; under the prerequisite not departing from structure of the present invention; some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.
Claims (7)
1. a method for high water level difference landing stage supply rock gas, it is characterized in that, the step of described method includes:
Step 1: the non-flood period day ordinary water level of setting river surface is M rice;
Step 2: the maximum distance K rice on landing stage drift offshore limit when setting river surface is in non-flood period day ordinary water level;
Step 3: the maximum distance L rice on drift offshore limit, landing stage during setting river surface flood season;
Step 4: setting river surface highest water level in flood season H rice;
Step 5: higher than water level (H+ H
1) rice river bank on bury middle pressure steel gas pipe underground underground, and interface that is reserved and gas pressure adjusting metering cabinet, wherein H
1>=20 meters, the design pressure of middle pressure steel gas pipe underground is 0.4MPa;
Step 6: the pre-buried low pressure steel gas pipe underground to landing stage air feed on river bank, and interface that is reserved and pressure adjusting metering cabinet, the design pressure of its mesolow steel gas pipe underground is 10KPa;
Step 7: low pressure steel gas pipe underground in step 6 arranges two supplying terminal interfaces, wherein the first supplying terminal interface is arranged on higher than water level (H+ H
1) rice river bank on, the second supplying terminal interface is arranged on higher than water level (M+M
1) rice river bank on, wherein M
1>=10 meters;
Step 8: higher than water level (H+ H
1) rice river bank on pressure adjusting metering cabinet is installed, and setting pressure adjusting metering cabinet, to export the delivery pressure of combustion gas to low-pressure line be 2.2KPa-2.8KPa;
Step 9: the spare interface of the combustion gas input end of pressure adjusting metering cabinet with middle pressure steel gas pipe underground is communicated with, and the combustion gas output terminal of pressure adjusting metering cabinet is communicated with the spare interface of low pressure steel gas pipe underground;
Step 10: the first supplying terminal interface respectively described in step 7 and the second supplying terminal interface install the first controller for gas and the second controller for gas, and reserve first terminal landing stage air supply opening and the second terminal landing stage air supply opening respectively;
Step 11: the distance setting the first controller for gas distance water bank is T rice;
Step 12: according to the situation of flood season and non-flood period, special-purpose metal air supply hose one end, landing stage is arranged on the first terminal landing stage air supply opening described in step 10 or the second terminal landing stage air supply opening, wherein the resistance to pressure pressure of landing stage special-purpose metal air supply hose is 8MPa, operating temperature is-30 DEG C to 100 DEG C, its length is greater than (T+L) rice, and the diameter of landing stage special-purpose metal air supply hose is 50mm to 200mm;
Step 13: according to NBS CJJ94-2009 on landing stage, combustion gas steam line and various security system in design and installation ship, and reserved communicate with landing stage special-purpose metal air supply hose connect gas port;
Step 14: what the landing stage special-purpose metal air supply hose the other end is arranged on the reserved landing stage special-purpose metal air supply hose of step 13 communicates connects on gas port;
Step 15: open the steam supply valve of pressure adjusting metering cabinet and the control valve of controller for gas, can realize in different water-head situation to landing stage air feed object.
2. the method for high water level difference landing stage supply rock gas according to claim 1, it is characterized in that: the structure of the landing stage special-purpose metal air supply hose described in step 12, step 13, step 14 is as follows: it comprises metallic hose body, metallic hose body two ends are provided with hose coupling, the two ends of described metallic hose are embedded in hose coupling respectively, wherein the hose coupling of one end has emergency separating device by Flange joint, and described emergency separating device is tightly connected by the first terminal landing stage air supply opening described in flange and step 12 or the second terminal landing stage air supply opening; The hose coupling of the other end is tightly connected by the gas port that connects described in flange and step 13.
3. the method for high water level difference landing stage supply rock gas according to claim 1, it is characterized in that, when pressing steel gas pipe underground in step 5 and step 6 and low pressure steel gas pipe underground is embedded in below motorway, the depth of burying is 0.9m, when being embedded in below non-motorway, the depth of burying is 0.6m.
4. the method for high water level difference landing stage supply rock gas according to claim 1, it is characterized in that, also comprise in step 10: combustion gas control cabinet cover is set on described first controller for gas and the second controller for gas, the structure of described combustion gas control cabinet cover is as follows: it comprises cabinet and is arranged at the mounting base below cabinet, and cabinet is threaded connection on mounting base; Described cabinet front and rear wall is provided with the through hole matched with controller for gas supply air line, described mounting base is provided with controller for gas supply air line positioning chamber with through hole opposite position place, be provided with the i shaped steel with supply air line form fit in described positioning chamber, described i shaped steel is threaded connection on mounting base.
5. the method for high water level difference landing stage supply rock gas according to claim 1, it is characterized in that, install lighting protection device cashier's office in a shop at pressure regulation metering, anti-static grounding measure, and its earth resistance is less than 10
.
6. the method for high water level difference landing stage supply rock gas according to claim 1, is characterized in that, described landing stage special-purpose metal air supply hose is enclosed with antiultraviolet material.
7. the method for high water level difference landing stage supply rock gas according to claim 1, it is characterized in that, step 14 also comprises: between landing stage and river bank, arrange a landing stage special-purpose metal air supply hose pontoon at interval of 1 meter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510055280.0A CN104613315A (en) | 2015-02-03 | 2015-02-03 | Large-waterhead wharf board natural gas supply method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510055280.0A CN104613315A (en) | 2015-02-03 | 2015-02-03 | Large-waterhead wharf board natural gas supply method |
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ID=53147900
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2723852Y (en) * | 2004-08-31 | 2005-09-07 | 宁波安信煤气贮槽有限公司 | Liquefied gas supply system of one-house-one storage tank |
| CN201014196Y (en) * | 2007-03-05 | 2008-01-30 | 上海燃气工程设计研究有限公司 | Gas supply pipeline for floating refectory above water |
| WO2010125319A2 (en) * | 2009-04-30 | 2010-11-04 | Societe Europeenne D'ingenierie Mecanique - Eurodim | Arrangement for transferring a fluid to a ship and system for transferring fluid between two ships, one of which is provided with the arrangement of the invention |
| CN103542252A (en) * | 2013-09-30 | 2014-01-29 | 江苏现代造船技术有限公司 | Filling device for LNG (Liquefied Natural Gas) |
-
2015
- 2015-02-03 CN CN201510055280.0A patent/CN104613315A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2723852Y (en) * | 2004-08-31 | 2005-09-07 | 宁波安信煤气贮槽有限公司 | Liquefied gas supply system of one-house-one storage tank |
| CN201014196Y (en) * | 2007-03-05 | 2008-01-30 | 上海燃气工程设计研究有限公司 | Gas supply pipeline for floating refectory above water |
| WO2010125319A2 (en) * | 2009-04-30 | 2010-11-04 | Societe Europeenne D'ingenierie Mecanique - Eurodim | Arrangement for transferring a fluid to a ship and system for transferring fluid between two ships, one of which is provided with the arrangement of the invention |
| CN103542252A (en) * | 2013-09-30 | 2014-01-29 | 江苏现代造船技术有限公司 | Filling device for LNG (Liquefied Natural Gas) |
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