CN103867890A - LNG (liquefied natural gas) fuel adding device for inland river boat - Google Patents
LNG (liquefied natural gas) fuel adding device for inland river boat Download PDFInfo
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- CN103867890A CN103867890A CN201410092604.3A CN201410092604A CN103867890A CN 103867890 A CN103867890 A CN 103867890A CN 201410092604 A CN201410092604 A CN 201410092604A CN 103867890 A CN103867890 A CN 103867890A
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Abstract
The invention discloses an LNG (liquefied natural gas) fuel adding device for an inland river boat with high safety factor and components flexibly rotating. The LNG fuel adding device comprises a stand column, and a balancing plate, an inlet pipe, an inner arm, a first elbow pipe, an outer arm, a second elbow pipe, an output hose, an air return hose and an outer extending pipe which are rotatably arranged on the stand column, wherein the inlet pipe and the inner arm are connected through a rotating joint, the inner arm and the first elbow pipe are connected through a rotating joint, the first elbow pipe and the outer arm are connected through a rotating joint, and the outer arm and the second elbow pipe are connected through a rotating joint, the inner arm is fixed on the balancing pipe, the second elbow pipe, the output hose and the outer extending pipe are connected sequentially by flanges, and the air return hose extends to the outer extending pipe from the stand column along the inner arm and the outer arm. The LNG fuel adding device has the advantages that after the rotating joints are adopted, normal operation of the LNG fuel adding device is guaranteed, once maintenance is needed, the maintenance can be carried out on line, and thus the work efficiency is improved.
Description
Technical field
The present invention relates to a kind of riverboat LNG fuel filling device.
Background technique
The filling of LNG fuel ship is at present all to adopt flexible pipe to carry out, and owing to existing some unexpected,, in the time of filling LNG, fuel ship may need ejection escape, but thereby flexible pipe cannot ejection escape cause hose fracture again, gas leakage, and more dangerous.
Summary of the invention
Technical problem to be solved by this invention is: provide the high and each parts of a kind of safety coefficient to rotate riverboat LNG fuel filling device flexibly.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of riverboat LNG fuel filling device, comprises column, rotation is arranged on the balance plate on column, inlet duct, inner arm, the first bend pipe, outer arm, the second bend pipe, delivery hose, return-air flexible pipe and projecting tube, between inlet duct and inner arm, between inner arm and the first bend pipe, between the first bend pipe and outer arm, between outer arm and the second bend pipe, be connected respectively by swivel joint, inner arm is fixed on balance plate, the second bend pipe, delivery hose is connected by flange successively with projecting tube, and return-air flexible pipe is from column along inner arm, outer arm extends to projecting tube, and described swivel joint comprises left flange, right flange, inner ring and outer ring, left flange connects inner ring and forms anticlockwise parts, and right flange connects outer ring and forms right rotation parts, and anticlockwise parts can rotate relatively with right rotation parts, left flange right side, between inner ring outside and left side, outer ring, be formed with space, gap is provided with nitrogen-sealed circle, and nitrogen-sealed circle left side contacts with left flange seal, and nitrogen-sealed circle right side contacts with outer ring sealing, left flange is provided with nitrogen inlet or nitrogen outlet, left flange, inner ring, in outer ring and right flange, be respectively arranged with left channel of nitrogen, interior channel of nitrogen, outer channel of nitrogen and right channel of nitrogen, wherein interior channel of nitrogen contains an annular housing centered by swivel joint medial axis, nitrogen inlet, left channel of nitrogen, interior channel of nitrogen, space, outer channel of nitrogen, right channel of nitrogen and nitrogen outlet communicate successively, or nitrogen outlet, left channel of nitrogen, interior channel of nitrogen, space, outer channel of nitrogen, right channel of nitrogen and nitrogen inlet communicate successively, right flange is provided with corresponding nitrogen outlet or nitrogen inlet, nitrogen inlet and nitrogen outlet axially arrange, between nitrogen inlet between adjacent swivel joint and nitrogen outlet, be connected by nitrogen sparge tube, the length L of annular housing on inner ring is axial meets 80%M >=L >=70%M, M is inner ring length in the axial direction, the two ends in the axial direction of annular housing and the inner ring two ends spacing on axially equates, on outer arm, is respectively arranged with ball valve near the position of close delivery hose on the position of delivery hose and return-air flexible pipe.
On described the first bend pipe, be provided with positioning plate, be provided with positioning block on outer arm, be hinged with spring cylinder on positioning block, the cylinder body of spring cylinder is hinged on positioning block, and piston rod and the positioning plate of spring cylinder are hinged.
Described left flange right side place has step, and nitrogen-sealed circle left side contacts with the sealing bottom surface of step, and the enclosing that is positioned at outside, step bottom surface is blocked in nitrogen-sealed circle outside.
Between the realizing active sealing circle groove that described inner ring right side and right flange left side arrange, realizing active sealing circle is installed, the realizing active sealing circle groove that right flange left side arranges has the seam for stopping that realizing active sealing circle slides.
Between the left side o-ring groove that described left flange right side and inner ring left side arrange, left side seal ring is installed; Between the right side o-ring groove that right flange left side and right side, outer ring arrange, right side seal ring is installed; Between the main static sealing ring groove that inner ring left side and left flange right side arrange, main static sealing ring is installed, between the secondary seal circle groove that right flange left side and inner ring right side arrange, secondary seal circle is installed.
Between described inner ring, outer ring, have the steel ball that is covered with a week, steel ball size is 9.525 ± 0.1mm.
The invention has the beneficial effects as follows: adopt after above-mentioned novel swivel joint, ensured normal work of the present invention, once need repairing, can keep in repair online, thereby increase work efficiency.
Brief description of the drawings
Fig. 1 is the stereogram of riverboat of the present invention LNG fuel filling device;
Fig. 2 is the structural drawing of swivel joint in Fig. 1.
In figure: 1, right flange, 2, realizing active sealing circle, 3, space 4, secondary seal circle, 5, outer ring, 6, steel ball, 7, inner ring, 8, left side seal ring, 9, nitrogen-sealed circle, 10, left flange, 11, ferrule fitting, 13, main static sealing ring, 14, nitrogen inlet, 15, nitrogen outlet, 16, right side seal ring, 17, left channel of nitrogen, 18, interior channel of nitrogen, 19, outer channel of nitrogen, 20, right channel of nitrogen, 21, annular housing, 22, column, 23, balance plate, 24, inlet duct, 25, inner arm, 26, the first bend pipe, 27, outer arm, 28, the second bend pipe, 29, delivery hose, 30, return-air flexible pipe, 31 projecting tubes, 32, swivel joint, 33, flange, 34, nitrogen sparge tube, 35, ball valve, 36, positioning plate, 37, positioning block, 38, spring cylinder.
Embodiment
Below in conjunction with accompanying drawing, describe specific embodiment of the invention scheme in detail.
As shown in Figure 1, riverboat of the present invention LNG fuel filling device, comprise column 22, horizontally rotate the balance plate 23(that is arranged on column 22 position for Level tune projecting tube 31), inlet duct 24, inner arm 25, the first bend pipe 26, outer arm 27, the second bend pipe 28, delivery hose 29, return-air flexible pipe 30 and projecting tube 31, between inlet duct 24 and inner arm 25, between inner arm 25 and the first bend pipe 26, between the first bend pipe 26 and outer arm 27, between outer arm 27 and the second bend pipe 28, be connected by swivel joint 32 respectively, inner arm 25 is fixed on balance plate 23, the second bend pipe 28, delivery hose 29 is connected by flange 33 successively with projecting tube 31, return-air flexible pipe 30 is from column 22 along inner arm 25, outer arm 27 extends to projecting tube 31, when in use, the import of projecting tube 31 and fuel tank is connected, return-air flexible pipe 30 is connected with the outlet of fuel tank.As shown in Figure 2, describedly revolve described swivel joint 32 and comprise left flange 10, right flange 1, inner ring 7 and outer ring 5, left flange 10 connects inner ring 7 and forms anticlockwise parts, right flange 1 connects outer ring 5 and forms right rotation parts, anticlockwise parts can rotate relatively with right rotation parts, between left flange 10 right sides, inner ring 7 outsides and 5 left sides, outer ring, be formed with space 3,3 places, space are provided with nitrogen-sealed circle 9, nitrogen-sealed circle 9 left sides contact with left flange 10 sealings, and nitrogen-sealed circle 9 right sides contact with outer ring 5 sealings.Described left flange 10 places are provided with nitrogen inlet 14, and right flange 1 is provided with corresponding nitrogen outlet 15, and in actual production, the position of nitrogen inlet 14 and nitrogen outlet 15 can exchange certainly, and the present invention adopts front a kind of set-up mode.Left flange 10, inner ring 7, in outer ring 5 and right flange 1, be respectively arranged with left channel of nitrogen 17, interior channel of nitrogen 18, outer channel of nitrogen 19 and right channel of nitrogen 20, wherein interior channel of nitrogen 18 contains an annular housing 21 centered by swivel joint medial axis, nitrogen inlet 14, left channel of nitrogen 17, interior channel of nitrogen 18, space 3, outer channel of nitrogen 19, right channel of nitrogen 20 and nitrogen outlet 15 communicate successively, also can nitrogen outlet 15 in actual production, left channel of nitrogen 17, interior channel of nitrogen 18, space 3, outer channel of nitrogen 19, right channel of nitrogen 20 and nitrogen inlet 14 communicate successively, nitrogen inlet 14 axially arranges with nitrogen outlet 15, nitrogen inlet 14 is all provided with ferrule fitting 11 with nitrogen outlet 15 places.The length L of annular housing 21 on inner ring 7 is axial meets 80%M >=L >=70%M, and M is inner ring 7 length in the axial direction, and the two ends spacing on the two ends in the axial direction of annular housing 21 are axial with inner ring 7 equates.Owing to being provided with annular housing 21, the temperature of inner ring 7 inwalls and the temperature of outer wall will differ greatly, the energy that is the low temperature in inner ring 7 is isolated and is taken away by the nitrogen in annular housing 21 again by annular housing 21 simultaneously, thereby the cryogenic energy greatly reducing in inner ring 7 is delivered on outer wall, the temperature difference between inner ring 7 and outer ring 5 is little like this, so just can prevent from that the contraction producing greatly because of the temperature difference between inner ring 7 and outer ring 5 is inhomogeneous to clamp the stuck phenomenon of inner ring 7 and outer ring 5 that steel ball 6 brings.Between nitrogen inlet 14 between adjacent swivel joint 32 and nitrogen outlet 15, be connected by nitrogen sparge tube 34.Nitrogen sparge tube 34, for purging the steam in swivel joint 34, prevents that swivel joint 32 is interior icing, also the cryogenic energy in inner ring 7 is taken away simultaneously.On outer arm 27, on the position of close delivery hose 29 and return-air flexible pipe 30, the position near delivery hose 29 is respectively arranged with ball valve 35.
Between inner ring 7, outer ring 5, have the steel ball 6 that is covered with a week, steel ball 6 diameters are 9.525 ± 0.1mm.Steel ball 6 sizes are set to 9.525 ± 0.1mm, make to rotate more steady, more reliable.
Nitrogen-sealed circle 9 is arranged between left flange 10 and inner ring 7, outer ring 5, therefore while replacing, do not need to dismantle inner ring 7, outer ring 5, only left flange 10 need be unclamped and can change nitrogen-sealed circle 9, realizing field stripping changes, do not need integral demounting, solved nitrogen-sealed circle 9 and installed, dismantle inconvenient problem.Simultaneously, while making to dismantle bearing due to this structure, inner ring 7, outer ring 5 are not affected by nitrogen-sealed circle 9 elastic force, nitrogen-sealed circle 9 is very little on the impact of spin friction power, avoid because nitrogen-sealed effect strengthens spin friction resistance, solved spin friction power large, rotate inflexible problem, also make inner ring 7, outer ring 5 assembling maintenances convenient simultaneously.
The present invention increases by a step at left flange 10 places, has therefore protected nitrogen-sealed circle 9, avoids freezing herein.Nitrogen-sealed circle 9 places are not easy water, thereby make can not freeze in entrucking in rainy season, also exist never inner ring 7, outer ring 5 to freeze phenomenon.
Between the realizing active sealing circle groove that inner ring 7 right sides and right flange 1 left side arrange, realizing active sealing circle 2 is installed, the realizing active sealing circle groove that right flange 1 left side arranges has the seam for stopping that realizing active sealing circle 2 slides.
At realizing active sealing circle, 2 groove places have increased a seam, become a semi open model groove, prevent from after the LNG leaking expands, realizing active sealing circle 2 being shifted onto in runner, thereby make seal failure.
Because outer arm 27 is heavier, for outer arm 27 can be with respect to inner arm 25 energy flexible rotatings, on described the first bend pipe 26, be provided with positioning plate 36, on outer arm 27, be provided with positioning block 37, on positioning block 37, be hinged with spring cylinder 38, the cylinder body of spring cylinder 38 is hinged on positioning block 37, and the piston rod of spring cylinder 38 and positioning plate 37 are hinged.。
Advantage of the present invention is: adopt after above-mentioned novel swivel joint, ensured normal work of the present invention, once need repairing, can keep in repair online, thereby increase work efficiency.
Claims (6)
1. riverboat LNG fuel filling device, comprises column, rotation is arranged on the balance plate on column, inlet duct, inner arm, the first bend pipe, outer arm, the second bend pipe, delivery hose, return-air flexible pipe and projecting tube, between inlet duct and inner arm, between inner arm and the first bend pipe, between the first bend pipe and outer arm, between outer arm and the second bend pipe, be connected respectively by swivel joint, inner arm is fixed on balance plate, the second bend pipe, delivery hose is connected by flange successively with projecting tube, and return-air flexible pipe is from column along inner arm, outer arm extends to projecting tube, it is characterized in that: described swivel joint comprises left flange, right flange, inner ring and outer ring, left flange connects inner ring and forms anticlockwise parts, and right flange connects outer ring and forms right rotation parts, and anticlockwise parts can rotate relatively with right rotation parts, left flange right side, between inner ring outside and left side, outer ring, be formed with space, gap is provided with nitrogen-sealed circle, and nitrogen-sealed circle left side contacts with left flange seal, and nitrogen-sealed circle right side contacts with outer ring sealing, left flange is provided with nitrogen inlet or nitrogen outlet, left flange, inner ring, in outer ring and right flange, be respectively arranged with left channel of nitrogen, interior channel of nitrogen, outer channel of nitrogen and right channel of nitrogen, wherein interior channel of nitrogen contains an annular housing centered by swivel joint medial axis, nitrogen inlet, left channel of nitrogen, interior channel of nitrogen, space, outer channel of nitrogen, right channel of nitrogen and nitrogen outlet communicate successively, or nitrogen outlet, left channel of nitrogen, interior channel of nitrogen, space, outer channel of nitrogen, right channel of nitrogen and nitrogen inlet communicate successively, right flange is provided with corresponding nitrogen outlet or nitrogen inlet, nitrogen inlet and nitrogen outlet axially arrange, between nitrogen inlet between adjacent swivel joint and nitrogen outlet, be connected by nitrogen sparge tube, the length L of annular housing on inner ring is axial meets 80%M >=L >=70%M, M is inner ring length in the axial direction, the two ends in the axial direction of annular housing and the inner ring two ends spacing on axially equates, on outer arm, is respectively arranged with ball valve near the position of close delivery hose on the position of delivery hose and return-air flexible pipe.
2. LNG according to claim 1 handling arm peculiar to vessel, it is characterized in that: on described the first bend pipe, be provided with positioning plate, on outer arm, be provided with positioning block, on positioning block, be hinged with spring cylinder, the cylinder body of spring cylinder is hinged on positioning block, and piston rod and the positioning plate of spring cylinder are hinged.
3. low-temperature rotary joint according to claim 1 and 2, is characterized in that: described left flange right side place has step, and nitrogen-sealed circle left side contacts with the sealing bottom surface of step, and the enclosing that is positioned at outside, step bottom surface is blocked in nitrogen-sealed circle outside.
4. low-temperature rotary joint according to claim 3, it is characterized in that: between the realizing active sealing circle groove that described inner ring right side and right flange left side arrange, realizing active sealing circle is installed, the realizing active sealing circle groove that right flange left side arranges has the seam for stopping that realizing active sealing circle slides.
5. low-temperature rotary joint according to claim 4, is characterized in that: between the left side o-ring groove that described left flange right side and inner ring left side arrange, left side seal ring is installed; Between the right side o-ring groove that right flange left side and right side, outer ring arrange, right side seal ring is installed; Between the main static sealing ring groove that inner ring left side and left flange right side arrange, main static sealing ring is installed, between the secondary seal circle groove that right flange left side and inner ring right side arrange, secondary seal circle is installed.
6. low-temperature rotary joint according to claim 1 and 2, is characterized in that: between described inner ring, outer ring, have the steel ball that is covered with a week, steel ball size is 9.525 ± 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410092604.3A CN103867890A (en) | 2014-03-13 | 2014-03-13 | LNG (liquefied natural gas) fuel adding device for inland river boat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410092604.3A CN103867890A (en) | 2014-03-13 | 2014-03-13 | LNG (liquefied natural gas) fuel adding device for inland river boat |
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| Publication Number | Publication Date |
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| CN103867890A true CN103867890A (en) | 2014-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410092604.3A Pending CN103867890A (en) | 2014-03-13 | 2014-03-13 | LNG (liquefied natural gas) fuel adding device for inland river boat |
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| CN (1) | CN103867890A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104085704A (en) * | 2014-06-23 | 2014-10-08 | 中国海洋石油总公司 | FLNG tandem transportation device based on telescopic rigid tube |
| CN105110039A (en) * | 2015-07-14 | 2015-12-02 | 石家庄安瑞科气体机械有限公司 | Ashore unloading inflation system matched with CNG ship |
| CN105697909A (en) * | 2016-04-19 | 2016-06-22 | 北京航天发射技术研究所 | Low-temperature rotation connector |
| CN105889754A (en) * | 2016-06-02 | 2016-08-24 | 连云港远洋流体装卸设备有限公司 | Telescoping bank foundation LNG filling arm |
| CN106838513A (en) * | 2017-03-11 | 2017-06-13 | 江苏长隆石化装备有限公司 | A kind of chicksan and the universal handling system of the high pressure with the joint |
| CN106870934A (en) * | 2017-03-01 | 2017-06-20 | 鞍山市昱虎流体设备有限公司 | A kind of liquefied natural gas liquid adding arm |
| WO2023116665A1 (en) * | 2021-12-21 | 2023-06-29 | 中国石油化工股份有限公司 | High-pressure gas filling/unloading system |
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| EP0188161B1 (en) * | 1984-12-31 | 1989-07-19 | Entreprise D'equipements Mecaniques Et Hydrauliques (E.M.H.) | Swivel seal for a cryogenic liquid |
| CN201521790U (en) * | 2009-09-28 | 2010-07-07 | 张家港圣汇气体化工装备有限公司 | Gas-liquid separator for liquefied natural gas air-entraining system |
| CN102927390A (en) * | 2012-11-19 | 2013-02-13 | 江苏长隆石化装备有限公司 | Motive seal swivel joint for entrucking low-temperature LNG (liquefied natural gas) |
| CN103527922A (en) * | 2013-10-24 | 2014-01-22 | 江苏长隆石化装备有限公司 | LNG (Liquefied Natural Gas) fuel adding device for ship |
| CN203948940U (en) * | 2014-03-13 | 2014-11-19 | 江苏长隆石化装备有限公司 | Riverboat LNG fuel filling device |
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2014
- 2014-03-13 CN CN201410092604.3A patent/CN103867890A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0188161B1 (en) * | 1984-12-31 | 1989-07-19 | Entreprise D'equipements Mecaniques Et Hydrauliques (E.M.H.) | Swivel seal for a cryogenic liquid |
| CN201521790U (en) * | 2009-09-28 | 2010-07-07 | 张家港圣汇气体化工装备有限公司 | Gas-liquid separator for liquefied natural gas air-entraining system |
| CN102927390A (en) * | 2012-11-19 | 2013-02-13 | 江苏长隆石化装备有限公司 | Motive seal swivel joint for entrucking low-temperature LNG (liquefied natural gas) |
| CN103527922A (en) * | 2013-10-24 | 2014-01-22 | 江苏长隆石化装备有限公司 | LNG (Liquefied Natural Gas) fuel adding device for ship |
| CN203948940U (en) * | 2014-03-13 | 2014-11-19 | 江苏长隆石化装备有限公司 | Riverboat LNG fuel filling device |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104085704A (en) * | 2014-06-23 | 2014-10-08 | 中国海洋石油总公司 | FLNG tandem transportation device based on telescopic rigid tube |
| CN104085704B (en) * | 2014-06-23 | 2016-06-15 | 中国海洋石油总公司 | A kind of FLNG outer transfer device of string based on telescopic rigid pipe |
| CN105110039A (en) * | 2015-07-14 | 2015-12-02 | 石家庄安瑞科气体机械有限公司 | Ashore unloading inflation system matched with CNG ship |
| CN105697909A (en) * | 2016-04-19 | 2016-06-22 | 北京航天发射技术研究所 | Low-temperature rotation connector |
| CN105697909B (en) * | 2016-04-19 | 2019-10-11 | 北京航天发射技术研究所 | A kind of cryogenic swivel |
| CN105889754A (en) * | 2016-06-02 | 2016-08-24 | 连云港远洋流体装卸设备有限公司 | Telescoping bank foundation LNG filling arm |
| CN105889754B (en) * | 2016-06-02 | 2018-05-25 | 连云港远洋流体装卸设备有限公司 | Extension type bank base LNG fills arm |
| CN106870934A (en) * | 2017-03-01 | 2017-06-20 | 鞍山市昱虎流体设备有限公司 | A kind of liquefied natural gas liquid adding arm |
| CN106838513A (en) * | 2017-03-11 | 2017-06-13 | 江苏长隆石化装备有限公司 | A kind of chicksan and the universal handling system of the high pressure with the joint |
| WO2023116665A1 (en) * | 2021-12-21 | 2023-06-29 | 中国石油化工股份有限公司 | High-pressure gas filling/unloading system |
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Application publication date: 20140618 |