WO2012033130A1 - ポリマーペレット運搬船、ポリマーペレット運搬用バージ、及びその荷役方法 - Google Patents
ポリマーペレット運搬船、ポリマーペレット運搬用バージ、及びその荷役方法 Download PDFInfo
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- WO2012033130A1 WO2012033130A1 PCT/JP2011/070382 JP2011070382W WO2012033130A1 WO 2012033130 A1 WO2012033130 A1 WO 2012033130A1 JP 2011070382 W JP2011070382 W JP 2011070382W WO 2012033130 A1 WO2012033130 A1 WO 2012033130A1
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- polymer
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- line
- lot
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/04—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods solid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/24—Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/28—Barges or lighters
Definitions
- This polymer is manufactured as follows. In the oil refining industry, crude oil is distilled and divided into petroleum gas, gasoline, naphtha (crude gasoline), kerosene, light oil, heavy oil, and asphalt according to the difference in boiling point. Of these, naphtha is thermally decomposed with a naphtha cracker. Then, the substance is changed to a substance having a simple structure and extracted for each substance such as ethylene, propylene and butylene. Polymers (polymers) such as polyethylene and polypropylene having different properties are produced by a chemical reaction that combines molecules of the same substance with ethylene and propylene.
- a ship that carries coal, wheat, chips, etc. in bulk is called a dry cargo bulk carrier or a bulk carrier
- the structure of the cargo hold is usually a double bottom inner bottom plate.
- upper deck, bulkhead, hopper side tank is provided below the ship side
- top side tank is provided above the ship side
- hatch is opened on the upper deck, and is covered with a hatch cover It has a structure (for example, see Patent Document 1).
- the present invention has been made in view of the above-mentioned situation, and the object thereof is to efficiently transport a large variety of polymer pellets not only by bagging but by bulk transportation, and many It is an object to provide a polymer pellet carrier, a polymer pellet carrier barge, and a cargo handling method thereof capable of efficiently and efficiently transporting various types of polymer pellets simultaneously.
- the polymer pellet carrier of the present invention is a polymer pellet carrier that transports a plurality of types of polymer pellets without mixing them. Forming a set, and using a lot loading line connected to a land-side loading line, the first cargo handling for simultaneously loading the same kind of polymer pellets for each lot hold set; and the cargo
- the hold loading line provided with a holding lift opening / closing valve at the lower part of each of the cargo holds so as to selectively perform the second lifting and unloading of different types of polymer pellets for each holding.
- the holding freight load line is fried for the lot. It constituted by integrated into the line.
- the type of polymer pellets stored in the cargo hold is the same for each lot hold set,
- the entire cargo hold of the same lot hold set can be simultaneously lifted / loaded, and the same type of polymer pellets can be efficiently accommodated in the land-side cargo silo.
- the second cargo handling is used to carry out the cargo handling for each cargo hold in sequence and the different cargo accommodated for each cargo hold. Without mixing different types of polymer pellets, they can be stored separately in the land-side freight silo.
- the unloading can be performed for each lot hold set having a capacity equivalent to the capacity of each lot for quality control on the land side by the first unloading, or the second lifting
- the cargo is held for each cargo hold that has a capacity equivalent to the capacity of the silo unit whose quality is controlled on the land side, so it can be carefully managed for transportation, cargo handling, storage on land, etc. Traceability in quality control can be remarkably improved.
- a fixed discharge valve is provided below the hold lift opening / closing valve in the hold discharge line below the cargo hold, and an open / close valve is provided below the fixed discharge valve.
- this configuration by closing the on-off valve provided between the fixed discharge valve formed by a rotary valve or the like and the junction between the holding lifting line and the lot lifting line, while transporting polymer pellets from one cargo hold using a lot lift line, this polymer pellet is placed under another cargo hold that contains other types of polymer pellets. Intrusion into the fixed discharge valve can be prevented. This makes it possible to prevent different types of polymer pellets that have entered the metering discharge valve from being mixed and unloaded at the same time when the other cargo hold polymer pellets are unloaded. Can be prevented.
- the compressed air generation equipment that requires a large capacity as a whole is installed on the land side, so that it is easy to perform installation work and maintenance inspection. Moreover, since the operating rate of the compressed air generator on the land side increases, the compressed air generator can be used efficiently. Moreover, by installing the compressed air generator on the land side, it can be used for the transfer between land silos and the transfer of polymer pellets transported from the manufacturing plant to the land silo.
- control equipment on the land side is configured to control the lifting and handling equipment in the polymer pellet ship.
- control device for the lifting / handling line on the ship is provided on the land side, the number of control devices for the lifting / handling line can be reduced as the entire system.
- the above-described polymer pellet carrier is provided with a compressed air generating device capable of generating an amount of air larger than the amount of air that can be unloaded from the polymer pellets accommodated in one cargo hold.
- the compression on the ship It is possible to unload using an air generator.
- it is equipped with an emergency compressed air generator with a relatively small capacity and does not have a compressed air generator with sufficient capacity to operate all the lifting lines at the same time. Compared with the case where the compressed air generator is provided, the equipment on the ship can be remarkably reduced.
- the polymer pellet carrying barge for achieving the above object forms the above polymer pellet carrying ship as a barge ship having no propulsion device.
- the barge for transporting polymer pellets having this configuration can achieve the same effects as the above-described polymer pellet transport ship.
- the method for handling a polymer pellet carrier ship or a polymer pellet carrier barge comprises a plurality of cargo holds that contain polymer pellets to form a lot hold set, and a plurality of types of polymers.
- a method of handling a polymer pellet carrier ship or polymer pellet carrier barge that transports pellets without mixing, using a lot loading line connected to a land-side lifting line, and for each lot hold set. It is a method characterized by selectively performing a first unloading operation for simultaneously unloading the same type of polymer pellets and a second unloading operation for sequentially unloading different types of polymer pellets for each cargo hold.
- the opening and closing valve for holding is appropriately controlled to be opened and closed, so that when the type of polymer pellets contained in the cargo hold is the same in the lot hold set, One lifting / unloading can be used, and when the type of polymer pellets stored for each cargo hold is different, the second lifting / unloading can be used.
- the same kind of polymer pellets stored in the cargo hold of the same lot hold set can be lifted and loaded simultaneously, so that they can be efficiently stored in the land-side cargo silo.
- each cargo hold is unloaded in order, and the different types of polymer pellets contained in each cargo hold are not mixed, and the cargo is unloaded into each cargo silo on the land side. can do. Thereby, a small amount of various types of polymer pellets can be lifted and handled for each cargo hold accommodated in different types.
- the cargo handling method for the polymer pellet carrier or the polymer pellet carrier barge air for transportation from the facility on the land side is supplied to the unloading line for the lot, and the cargo air is used for the cargo hold.
- the stored polymer pellets are lifted and handled, it is not necessary to provide a number of compressed air generators for the lifting and handling corresponding to the number of cargo handling lines on the upper side of the polymer pellet carrier ship, so the onboard equipment can be reduced.
- the compressed air generator having a large capacity is installed on the land side, so that it is easy to perform installation work and maintenance inspection. And the utilization factor of this compressed air generator on the land side can be increased and used efficiently.
- a compressed air generator on the land side, it can also be used for the transfer between land silos and the transfer of polymer pellets transported from the manufacturing plant to the land silo.
- FIG. 1 is a side sectional view of a hull showing an arrangement of cargo holds in a polymer pellet carrier according to an embodiment of the present invention.
- FIG. 2 is a horizontal plan view of the hull showing the arrangement of the cargo hold in the polymer pellet carrier of FIG.
- FIG. 3 is a cross-sectional view of the hull showing the arrangement of the cargo hold in the polymer pellet carrier of FIG.
- FIG. 4 is a view showing a cargo handling line and the like in the cargo hold of the polymer pellet carrier according to the embodiment of the present invention.
- FIG. 5 is a diagram schematically showing a cargo handling line or the like in the polymer pellet carrier.
- FIG. 6 is a diagram schematically showing a lifting / loading line and the like in a polymer pellet carrier.
- FIG. 7 is a diagram schematically showing an air line or the like in a polymer pellet carrier.
- the polymer pellet carrier 1 includes a cargo hold 10 (shaded hatched portion) on which polymer pellets are mounted.
- the cargo hold 10 is formed by a cylindrical body having a cross-sectional shape such as a circle, an ellipse, or a polygon, preferably a circular shape, and a hopper portion 10a having a hopper shape is provided at a lower portion thereof.
- the cargo hold 10 is preferably made of aluminum alloy or stainless steel.
- the cargo hold 10 disposed in the polymer pellet carrier 1 is formed in the same shape with the same size, and the hull shape of the polymer pellet carrier 1 is changed without changing the shape and capacity of the cargo hold 10. Since the cargo hold 10 can be mass-produced by one type, the construction can be facilitated and the manufacturing cost can be reduced.
- a support structure for the cargo hold 10 is provided at the bottom and is configured to be fixedly arranged on the hull, thereby eliminating the frame structure for fixing the cargo hold 10 to the hull. Thereby, a useless space (space) inside the hull can be reduced, and the space inside the hull can be used effectively. If necessary, a support structure may also be provided on the cargo hold 10 and fixed to the hull.
- a lot hold set 11 is formed by combining a plurality of the cargo holds 10 (three in FIG. 1 to 3).
- the capacity of the lot hold set 11 is made to correspond to the quantity of lots which is the management unit in the land handling system, and this management unit is set. Since it can be loaded while maintaining, traceability (trackability) in lot units can be maintained.
- a single or plural (two sets in FIGS. 1 to 3) and a combination of lot hold sets 11 are combined to form a cargo unit 12, and the integrated cargo unit 12 is arranged inside the hull.
- a plurality of cargo units 12 (2 units in FIGS. 1 to 3) are arranged side by side in the ship width direction.
- the cargo unit 12 When the cargo unit 12 is formed by using one or a plurality of lot hold sets 11 as described above, the cargo unit 12 composed of a plurality (six in FIG. 1 to 3) of cargo holds 10 is constructed on the land at the time of construction. Can be mounted inside the hull for each cargo unit 12, and the number of man-hours and the number of construction days can be reduced as compared with the case where each cargo hold 10 is mounted inside the hull one by one. .
- the polymer pellet carrier 1 has one vertical cargo unit 12, one horizontal cargo unit 12, and two vertical cargo units 12 side by side from the bow side. A total of five items are arranged and mounted one by one, and a total of 12 cargo units 12 are equipped with 24 lot hold sets 11 and finally 72 cargo holds 10.
- the cargo hold 10 formed of a cylindrical body provided with a hopper portion 10a at the lower part is combined with the lot hold set 11 and the cargo unit 12 and efficiently arranged inside the hull, thereby making it possible to compare with the ship width. Since a large number of cargo holds 10 having a relatively small diameter are arranged, the height of the hopper portion 10a is made lower than in the case of providing a cargo hold having a relatively large capacity as in the case of a bulk carrier of the prior art. can do. Therefore, the space outside the hopper portion 10a can be reduced, and the space inside the hull can be effectively utilized.
- the polymer pellets can be loaded to a low position, the center of gravity of the cargo to be loaded and the center of gravity of the hull during voyage at the time of loading can be lowered.
- the width of the cargo hold 10 is significantly smaller than that of the bulk carrier of the prior art, the lateral movement of the polymer pellets during the voyage is reduced, and the stability of the hull to roll is increased.
- the polymer pellet can be prevented from flowing into the ocean, and the closed structure allows the cargo hold 10 by direct sunlight and its An increase in the temperature of the polymer pellet inside can be prevented.
- ballast tank 3 when the ballast tank 3 is provided on the side of the hull, if there is an empty cargo hold 10 that causes an imbalance in the attitude (heel, trim) of the ship, or polymer pellets with different specific gravity are used on the left and right sides
- Unbalance of posture (heel, trim) can be resolved.
- the cover 5 is provided so as to include the entire cargo hold 10 and the cargo handling line, the work space, and the passage to the upper portion of the cargo hold 10, damage to the cargo hold 10 due to seawater driving or the like is prevented. Moreover, the corrosion by seawater, such as the inner surface of the cargo hold 10, an outer surface, and the outer surface of the piping of the line for cargo handling, can be reduced. Furthermore, the workability of the work at the upper part of the cargo hold 10 during stormy weather can be improved, and maintenance becomes easier. Further, the cover 5 facilitates temperature management and humidity management inside the cargo hold 10 during marine transportation.
- the cover 5 is provided with a support portion such as a pipe necessary above the cargo hold 10 on the cover 5 side, these pipes can be preliminarily equipped, so that the construction period can be shortened. There is also a merit at the time of construction.
- the cargo handling line of the polymer pellet carrier 1 includes a loading line and a lifting line. As shown in FIGS. 4 and 5, in the cargo hold 10, a hold loading line 21 is connected to an upper portion thereof.
- the hold load line 21 is configured to be integrated with the lot load line 22 via a hold selection valve (flow path switching valve) 21a.
- the lot loading line 22 is led to the loading connecting portion 22b through the on-off valve 22a so as to be individually connected to the onshore loading line 100.
- the loading connection portion 22b is provided only on the starboard (starboard side) side.
- the land-side loading line 100 is connected to the loading connection portion 22b.
- three cargo holds 10, that is, one lot hold set 11 is connected to the land-side loading line 100.
- the lot loading line 22 may be integrated into a unit loading line (not shown), or several unit loading lines may be further integrated. May be.
- an on-off valve 32b and a connecting portion 32c ahead thereof are provided on the leading end side of the lot air line 32.
- a land-side air discharge line 110 connected to the land-side exhaust air purification device 30 is connected to the connection portion 32c.
- the air exhaust line 110 is provided with an exhaust air purification device 30.
- a hold loading line 21 is connected to the upper portion of each cargo hold 10 via a hold selection valve 21 a, and the hold load line 21 is connected to the lot load line 22 for each lot hold set 11.
- this lot loading line 22 is led to one side (usually starboard side) and connected to a loading line connecting part 22b which is provided on this side and is connected to the land side loading line 100.
- the lifted load line includes a hold lifted on-off valve 41a, a rotary valve 41b serving as a fixed discharge valve, and an on-off valve 41c below the hopper portion 10a of the cargo hold 10.
- the hold lifting line 41 is provided, and the holding lifting line 41 is connected to the lot lifting line 42.
- the unloading line 42 for lots is further branched by the flow path switching valve 42a into the unloading line 42S for starboard and the unloading line 42P for port, and led to the manifold deck 4.
- the on-off valves 42Sa and 42Pa After passing through the on-off valves 42Sa and 42Pa, they are guided to the lifted line connection portions 42Sb and 42Pb provided on the heel side.
- the land-side lift line 120 is connected to one of the lift line connection portions 42Sb and 42Pb.
- a holding cargo line 41 having a holding cargo opening / closing valve 41a is connected to the lower portion of each cargo hold 10, and a holding cargo line 41 is provided for each lot hold set 11. It is integrated with the unloading line 42, and the unloading line 42 for the lot is branched by the flow path switching valve 42a and led to the manifold deck 4 on both sides. It is configured by being connected to a lifted line connecting portion 42Sb, 42Pb which is a connecting portion with the line 120.
- a rotary valve 41b is provided below the hold lift on-off valve 41a in the hold lift line 41 below the cargo hold 10, and an open / close valve below the rotary valve 41b.
- 41c is provided, and by opening and closing the on-off valve 41c provided between the rotary valve 41b and the merging portion of the hold lifting line 41 and the lot lifting line 42, the lot lifting While the polymer pellet P is being transported from one cargo hold 10 using the load line 42, this polymer pellet P is used in another cargo hold 10 containing other types of polymer pellets P. Intrusion into the lower rotary valve 41b can be prevented. As a result, different types of polymer pellets P entering the rotary valve 41b can be prevented from being mixed and unloaded at the same time when the polymer pellets P of the other cargo hold 10 are unloaded. Contamination can be prevented.
- the compressed air A for unloading is supplied from the land-side air supply line 130 from the land-side compressed air generation facility (compressor) to the connecting portion 51 b, the on-off valve 51 a, The air is supplied to the lifted air supply line 51, the on-off valve 42b, and the lifted cargo line 42.
- the polymer pellets P accommodated in the cargo hold 10 are moved from the cargo hold 10 to the holding lift opening / closing valve 41a, rotary valve 41b, and opening / closing valve 41c of the holding lifting line 41. Then, it falls to the lot lifting line 42 and is unloaded to the land-side lifting line 120 via the lot lifting lines 42, 42S (or 42P) together with the transport air A. .
- the polymer pellets P of each cargo hold 10 are removed from the air by using the compressed air A supplied from the land by appropriately controlling the holding cargo opening / closing valve 41a, the opening / closing valve 41c and the like.
- the ship equipment can be reduced.
- a drying line 33 including a drying device 34 is provided.
- the drying air A is sent into the cargo hold 10 through the drying device 34 and the on-off valves 33 a and 33 b through the holding drying line 33 c of each cargo hold 10.
- the inside of the cargo hold 10 can be dried by this drying air A.
- the air A after drying the cargo hold 10 returns to the drying line 33 via the hold air line 31 and the lot air line 32 until the cargo hold 10 to be dried is dried. Circulate.
- the drying line 33 to dry the inside of the cargo hold 10 both before loading and during storage of the polymer pellets P, the polymer pellets P can be transported in a dry state. Can be transported while maintaining high quality.
- a compressed air generator 35 having a capacity capable of unloading at least one polymer pellet P of the cargo hold 10 by pneumatic transportation.
- the compressed air generator 35 is provided in connection with the lifted air supply line 51 in the configurations of FIGS.
- the generated air A is used for the lot via the unloading air supply line 51 using the compressed air generator 35 on the ship. It is possible to supply to the freight line 42 and carry out the freight handling. In this case, the emergency compressed air generator 35 is mounted, but the compressed air generator having sufficient capacity to operate all the cargo handling lines simultaneously is not equipped.
- the polymer pellet carrier 1 includes a cleaning facility for cleaning the cargo hold 10 with the cleaning water W.
- the cargo hold 10 has a cleaning line 52 provided with a cleaning nozzle 52a at the tip in order to spray cleaning water W such as fresh water onto the cargo hold 10 to clean the inside. Is provided. If the cleaning liquid W that has washed the cargo hold 10 is purified and reused by a purification device (not shown) provided on the ship, the reuse of the cleaning water W can prevent environmental pollution, and the cleaning water W Can be reduced.
- the hold load line 21 is integrated with the lot load line 22 and led to the load connection portion 22b, and the hold load line 41 is integrated with the lot load line 42. It branches into a unit lifting line 42P for port and a unit lifting line 42S for starboard, and is led to each of the lifting line connection portions 42Pb and 42Sb.
- the lot loading line 22 in two upper and lower stages and guiding a plurality of lines to the left and right, a limited space on the ship can be effectively used and the height of the cover 5 can be kept low.
- the vertical pipe on the side of the cargo hold 10 is arranged with a support member provided on the cargo hold 10, it can be installed in a factory on the land side during construction.
- This polymer pellet carrier 1 is configured to control the lifting and handling equipment in the polymer pellet ship 1 by a control device on the land side. According to this configuration, since the lifting / unloading line control device is not provided on the upper side of the ship, but provided only on the land side, the number of lifting / unloading line control devices can be reduced as an overall system.
- this polymer pellet carrier 1 since the landing handling line on the upper side of the ship is also controlled on the land side by using the control device on the ground side, the cargo silo on the land side and the cargo hold 10 or the lot hold on the upper side are controlled.
- the correspondence relationship with the set 11 can be collectively managed on the land side, the quality control of the polymer pellets P can be remarkably improved, and high traceability (trackability) can be secured.
- the land-side loading line 100 is connected to the loading connection portion 22b of the polymer pellet carrier 1, and the land-side air discharge line 110 is connected to the connecting portion 32c. Then, the on-off valve 22a and the on-off valve 32b are opened.
- the polymer pellets P are sent from the land-side base silo to the lot-loading line 22 together with the carrier air A by the land-side load line 100 and supplied from the hold-loading line 21 to the inside of the cargo-hold 10. .
- the polymer pellet P is stored inside.
- the air A for conveyance is exhausted by the hold air line 31 provided with the on-off valve 31 a and is sent to the air discharge line 110 on the land side via the lot air line 32.
- the polymer pellets P are released into the atmosphere with fragments and the like removed.
- the land-side unloading line 120 When unloading, as shown in FIG. 6, the land-side unloading line 120 is connected to the unloading line connection portion 42Sb (or 42Pb) provided on one of the left and right anchors.
- the compressed air transfer line 130 on the side is connected to the compressed air line connection portion 51b on the ship side and the air A for pressure feeding is sent, the air A for pressure feeding passes through the air supply line 51 for lifted cargo, It reaches the unloading line 42 for the lot.
- the polymer pellet P is supplied from the lower part of the hopper portion 10a of the cargo hold 10 to the hold lifting / closing valve 41a, the rotary valve 41b and the opening / closing valve 41c. 42, the product is transported from the lifting line connection portion 42Sb (or 42Pb) to the landing load line 120 on the land side via the flow path switching valve 42a.
- the first lifting / unloading for each of the lot hold sets 11 or the second lifting / unloading for each of the cargo holds 10 can be performed to perform the lifting / unloading.
- the same type of polymer pellets P can be efficiently and simultaneously accommodated in each cargo silo on the land side, and in the second lifting / unloading, various types of polymer pellets P are mixed. And can be sequentially accommodated in each land-side cargo silo.
- the hold selection valve 21a By using one lot loading line 22 or one lot lifting line 42, the hold selection valve 21a, the holding lifting opening / closing valve 41a, the opening / closing valve 41c, etc. are appropriately controlled.
- the number of loading lines and landing lines between the land and the ship can be reduced. . Thereby, reduction of the man-hour of cargo handling work can be aimed at.
- the hold selection valve 21a when all the cargo holds 10 in the lot cargo set 11 are selected by the hold selection valve 21a and loaded at the same time, the cargo can be efficiently loaded with a small number of loading lines.
- the hold selection valve 21a when one cargo hold 10 is selected by the hold selection valve 21a and this cargo hold 10 to be selected is sequentially changed and loaded, different types and grades of polymer pellets can be used with a small number of loading lines. P can be loaded into separate cargo holds 10.
- an onshore base-side silo is sized so that one silo corresponds to one lot of polymer pellets P, but several ship-side cargo holds 10 are provided so as to correspond to one lot of this base-side silo.
- the lot hold set 11 together, it is possible to standardize the capacity of the cargo hold 10 when the polymer pellets P are bulk transported.
- a large ship of the polymer pellet carrier 1 can be designed with the same concept.
- the polymer pellet carrier 1 has a very high cargo handling flexibility.
- polymer pellets P can be efficiently transported in large quantities by transporting in bulk instead of being packed, and many types of polymer pellets P can be transported in large quantities efficiently at the same time.
- the loading port 22b is arranged only on one side (usually on the starboard side) assuming a loading port, the piping length can be reduced, and the lifting connection portions 42Sb and 42Pb are both connected.
- the piping length can be reduced, and the lifting connection portions 42Sb and 42Pb are both connected.
- the polymer pellet carrier and the polymer pellet carrier barge according to the present invention can also transport powder particles such as polymer pellets in bulk without damaging the powder particles, and many types of polymer pellets. Can be efficiently transported in large quantities at the same time. This eliminates the bagging of granular materials, the container storage operation of bags, the taking out of granular materials from bags, etc., which are performed in the prior art. Since the working efficiency can be improved and mass transport can be efficiently performed, it can be used for transporting polymer pellets.
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Abstract
Description
10 貨物用ホールド
10a ホッパー部
11 ロット用ホールドセット
12 貨物用ユニット
21 ホールド用積み荷ライン
21a ホールド選択弁
22 ロット用積み荷ライン
22a 開閉弁
22b 積み荷用接続部
30 陸上側の排出空気浄化装置
31 ホールド用空気ライン
32 ロット用空気ライン
32b 開閉弁
32c 接続部
33 乾燥ライン
34 乾燥装置
35 圧縮空気発生装置
41 ホールド用揚げ荷ライン
41a ホールド用揚げ荷開閉弁
41b ロータリーバルブ
42 ロット用揚げ荷ライン
42a 切換弁
42b 開閉弁
42P 左舷用揚げ荷ライン
42S 右舷用揚げ荷ライン
42Pa,42Sa 開閉弁
42Pb,42Sb 揚げ荷ライン接続部
51 揚げ荷用空気供給ライン
51a 開閉弁
51b 接続部
52 洗浄用ライン
52a 洗浄用ノズル
100 陸上側の積み荷ライン
110 陸上側の空気排出用ライン
120 陸上側の揚げ荷ライン
130 陸上側圧縮空気移送ライン
A 搬送用の空気
P ポリマーペレット
W 洗浄水
Claims (9)
- 複数種類のポリマーペレットを混合することなく運搬するポリマーペレット運搬船であって、ポリマーペレットを収容する貨物用ホールドを複数組み合わせてロット用ホールドセットを形成すると共に、
陸上側の揚げ荷ラインに接続されるロット用揚げ荷ラインを用いて、前記ロット用ホールドセット毎に同種のポリマーペレットを同時に揚げ荷する第1の揚げ荷役と、前記貨物用ホールド毎に別種のポリマーペレットを順次揚げ荷する第2の揚げ荷役を選択的に行うように、前記貨物用ホールドの各々の下部にホールド用揚げ荷開閉弁を備えたホールド用揚げ荷ラインを接続して設け、前記ロット用ホールドセット毎に前記ホールド用揚げ荷ラインを前記ロット用揚げ荷ラインに統合したことを特徴とするポリマーペレット運搬船。 - 前記貨物用ホールドの下側のホールド用揚げ荷ラインにおいて、ホールド用揚げ荷開閉弁の下側に定量排出弁を設けると共に、該定量排出弁の下側に開閉弁を設けることを特徴とする請求項1項に記載のポリマーペレット運搬船。
- 前記ロット用揚げ荷ラインに陸上側の設備からの搬送用の空気を供給して、この搬送用の空気により、前記貨物用ホールドに収容されたポリマーペレットを揚げ荷役することを特徴とする請求項1又は2に記載のポリマーペレット運搬船。
- 陸上側の制御装置により当該ポリマーペレット船内の揚げ荷役設備の制御を行うことを特徴とする請求項1~3のいずれか1項に記載のポリマーペレット運搬船。
- 1個の前記貨物用ホールドに収容されたポリマーペレットを揚げ荷できる分量の空気量よりも大きな空気量を発生できる圧縮空気発生装置を備えることを特徴とする請求項1~4のいずれか1項に記載のポリマーペレット運搬船。
- 請求項1~5のいずれか1項に記載のポリマーペレット運搬船を、推進装置を持たないバージ船としたことを特徴とするポリマーペレット運搬用バージ。
- ポリマーペレットを収容する貨物用ホールドを複数組み合わせてロット用ホールドセットを形成して、複数種類のポリマーペレットを混合することなく運搬するポリマーペレット運搬船又はポリマーペレット運搬用バージの荷役方法であって、
陸上側の揚げ荷ラインに接続されるロット用揚げ荷ラインを用いて、前記ロット用ホールドセット毎に同種のポリマーペレットを同時に揚げ荷する第1の揚げ荷役と、前記貨物用ホールド毎に別種のポリマーペレットを順次揚げ荷する第2の揚げ荷役を選択的に行うことを特徴とするポリマーペレット運搬船又はポリマーペレット運搬用バージの荷役方法。 - 前記ロット用揚げ荷ラインに陸上側の設備からの搬送用の空気を供給して、この搬送用の空気により、前記貨物用ホールドに収容されたポリマーペレットを揚げ荷役することを特徴とする請求項7に記載のポリマーペレット運搬船又はポリマーペレット運搬用バージの荷役方法。
- 陸上側の制御装置により当該ポリマーペレット運搬船又はポリマーペレット運搬用バージの内部の荷役設備の制御を行って揚げ荷役と積み荷役を行うことを特徴とする請求項7又は8に記載のポリマーペレット運搬船又はポリマーペレット運搬用バージの荷役方法。
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KR1020137004975A KR101455157B1 (ko) | 2010-09-09 | 2011-09-07 | 폴리머 펠렛 운반선, 그 하역 방법, 및 하역용 육상측 설비 |
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JPS62165193U (ja) | 1986-04-10 | 1987-10-20 | ||
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JP2005145326A (ja) * | 2003-11-18 | 2005-06-09 | Mitsui Eng & Shipbuild Co Ltd | ガスハイドレート輸送船 |
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