JP3702009B2 - Asphalt plant ship - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an asphalt plant ship that moves on the sea, anchors at a destination, and manufactures and supplies asphalt mixture that is a road paving material on a trolley.
[0002]
[Prior art]
Conventionally, asphalt plants that produce asphalt composites, which are road pavement materials, are stationary, and the supply range of asphalt composites is limited due to temperature drop during transportation. For this reason, asphalt plants are scattered in various places, thereby enabling supply to all areas.
[0003]
[Problems to be solved by the invention]
However, there may be cases where the existing asphalt plant base cannot handle the supply of isolated islands where the road is blocked or areas where the road is blocked due to disasters or the like.
[0004]
Therefore, in view of the above points, the present invention provides an asphalt plant ship that manufactures asphalt mixture at sea in order to supply a large amount of asphalt mixture promptly to a construction site such as a remote island where a land route is blocked. For the purpose.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, according to the present invention, an asphalt plant ship according to claim 1 is configured to screen a dryer for heating and drying aggregates such as crushed stone and sand on a carriage and screening the aggregates by heating and drying according to particle size. Separately store it temporarily, weigh aggregates of various particle sizes in predetermined amounts and mix with stone powder and asphalt to produce asphalt mixture, and divided into multiple compartments, said aggregates divided by particle size There are an aggregate storage facility for storing, a stone powder storage silo for storing stone powder, an asphalt tank for storing molten asphalt, an aggregate receiving hopper for receiving the aggregate stored in the aggregate storage facility, and between these devices. a material conveying apparatus for conveying various materials disposed Te, the material conveying apparatus, and aggregate receiving conveyor for conveying the aggregate the aggregate receiving hopper accepts, the conveyed aggregate A distribution conveyor to distribution, is characterized by comprising a pair of shuttle conveyor is disposed in the lower of the distribution conveyor for introducing aggregate into the compartment.
[0006]
In addition, the asphalt plant ship according to claim 2 is a temporary storage on a pontoon ship where a dryer for heating and drying aggregates such as crushed stone and sand, and a screen for storing the dried and dried aggregates according to particle size. A plant body that measures aggregates by a predetermined amount and mixes with stone powder and asphalt to produce asphalt mixture, an aggregate storage facility that is divided into a plurality of compartments and stores the aggregate according to particle size, and stone powder A stone powder storage silo for storing, an asphalt tank for storing molten asphalt, an aggregate receiving hopper for receiving aggregate stored in the aggregate storage facility, and a material transfer device for transferring various materials between these devices The material conveying device includes an aggregate receiving conveyor that conveys the aggregate received by the aggregate receiving hopper, and a shuttle co that loads the conveyed aggregate into the compartment. Together and a Beya, the base board of the plant body, pivotally supported one end of the boom over the asphalt mixture supplying section in asphalt mixture unloading point quay and freely undulating, in the boom of the guide rail boom In addition to laying along the length direction, the guide rail is mounted with a composite material transporting hopper that reciprocates between the composite material discharge portion and the composite material unloading point.
[0007]
The asphalt plant ship according to claim 3 is characterized in that the lower part of the material storage container such as the stone powder storage silo or the asphalt tank is housed in the hull of the base boat.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
In the embodiment of the asphalt plant ship according to the first aspect of the present invention, first, the ship is towed to a port or quay near a construction site such as a remote island and berthed. Various materials such as crushed stone, sand, stone powder, and asphalt that are transported by sea or land are received on the ship by a material receiving facility such as an aggregate receiving hopper, etc., and crushed stone and sand are stored in an aggregate storage facility, and stone powder is stored in stone powder. In the silo, the asphalt is stored in an asphalt tank.
[0009]
Based on the asphalt composite shipment request from the construction site, the aggregate is heated with a dryer on the ship, and the heated aggregate is transported to the plant body and sieved according to the particle size for temporary storage. A predetermined amount of various aggregates are weighed in accordance with the composition of the material, and mixed with a separately weighed stone powder and asphalt to prepare a desired asphalt mixture. The asphalt mixture produced on the ship is loaded into a transport vehicle and transported to the construction site.
[0010]
By installing an asphalt plant on a trolley in this way, the asphalt plant can be moved to the desired location, and a large amount of asphalt mixture can be stably supplied even if it is an area where there is an obstacle to land use. Can do.
[0011]
In addition, the embodiment of the asphalt plant ship according to claim 2 of the present invention tilts the boom pivotally supported on the plant body when the asphalt plant ship is anchored on the quay to manufacture and supply the asphalt mixture. Then, let the tip end face the asphalt mixture unloading point on the quay. Then, the transport vehicle is kept waiting at the asphalt mixture unloading point, the asphalt mixture produced by the plant body is dispensed to the composite material transport hopper, and the composite material transport hopper is reciprocated along the guide rail laid on the boom. They are moved and loaded on a transported vehicle. This makes it possible to easily carry out shipping work where the asphalt plant ship is difficult to berth in a state where the transport vehicle is waiting on the quay.
[0012]
Moreover, the embodiment of the asphalt plant ship according to claim 3 of the present invention is such that the lower part of the stone powder storage silo and the asphalt tank is stored in the stern of the stern, so that the height of the stern deck of these material storage containers is higher. The projecting height is kept low, the center of gravity is lowered, and the stability of the ship is increased.
[0013]
【Example】
Hereinafter, an example based on the embodiment of the present invention will be described with reference to the drawings.
[0014]
Reference numeral 1 in the figure denotes a box-shaped steel carrier, which is a non-self-navigation type that does not navigate by itself and moves to the destination by towing by a tug.
[0015]
In FIG. 1 and FIG. 2, the deck of the carrier 1 is flat so that various facilities can be mounted, and the hull of the lower part of the deck is appropriately divided according to the purpose and used for various purposes. As an example, a plurality of compartments on the bow side and the stern side are used as a ballast tank 2 for maintaining the balance of the carriage by injecting and discharging seawater into the compartments, and in another compartment near the bow. The chamber is used as an engine room 3 that houses a power generator that supplies power to each device of the carriage. Further, another compartment is used as a conveyor space 4 serving as a storage section for a transfer conveyor, which will be described later, or as a fuel storage chamber.
[0016]
Next, the equipment mounted on the deck will be described. First, near the bow on the upper part of the deck, a dryer 5 for heating and drying the aggregate, a dust collector 6 for capturing dust derived from the dryer 5, a heating bone A plant main body 7 for storing, weighing, and mixing materials and a recycling plant 8 for heating and regenerating asphalt pavement waste (hereinafter referred to as “waste material”) are mounted.
[0017]
As shown in FIG. 4, the dryer 5 rotatably supports a cylindrical drum 9 having a large number of scraping blades arranged on the machine base 10 so that the dryer 5 rotates at a predetermined speed by a driving device (not shown). Rotate with.
[0018]
A burner 12 is disposed on the hot hopper 11 side of one end of the drum 9, and an exhaust flue 14 for leading the exhaust gas of the drum 9 is connected to the cold hopper 13 side of the other end of the drum 9. The tip of the exhaust flue 14 is connected to a dust collector 6 disposed above the drum 9, and a wind exhaust 15 for sucking exhaust gas led out from the drum 9 is disposed downstream of the dust collector 6. At the same time, after passing through the dust collector 6 and capturing the dust, the dust is discharged into the atmosphere from the chimney 16 shown in FIG.
[0019]
Each device of the plant body 7 is mounted on a gantry 17 standing on the side of the dryer 5, and the uppermost part is heated by the dryer 5, and a hot elevator 18 erected along the gantry 17. A vibrating sieve 19 is provided for sieving the heated aggregate to be lifted according to particle size. Below that, an aggregate storage bin 20 for storing aggregates classified by the vibration sieve 19 according to particle size is disposed.
[0020]
Below this aggregate storage bin 20, an aggregate measuring tank 21 for measuring each aggregate dispensed from the aggregate storage bin 20 is disposed, and a stone powder storage silo 22 or asphalt standing on the side of the gantry 17. A stone powder measuring tank (not shown) and an asphalt measuring tank (not shown) for measuring the stone powder and asphalt supplied from the tank 23 are provided. A mixer 24 for mixing various measured materials is disposed below these measuring tanks, and various materials are mixed by the mixer 24 for a predetermined time to produce an asphalt mixture.
[0021]
The above-described stone powder storage silo 22 and asphalt tank 23 have a height that is higher than the ratio of the outer diameter, and when mounted on the carrier 1, the stone powder storage silo 22 is likely to lack stability. Therefore, if the stone powder storage silo 22 and the asphalt tank 23 are provided with a foundation near the bottom of the ship and the lower portions of the stone powder storage silo 22 and the asphalt tank 23 are stored in the flank, the height of the portion protruding from the deck of the carrier 1 This is preferable because the center of gravity with respect to the carriage 1 can be lowered to increase the stability.
[0022]
In addition, a recycling plant 8 is also mounted on the carriage 1, and this recycling plant 8 is provided with a waste material recycling dryer 25 for heating and recycling waste materials, a waste material storage bin 26 for temporarily storing heated waste materials, and heating waste materials. It consists of a waste material measuring tank 27 for quantitative measurement and other incidental equipment.
[0023]
Each device of the recycling plant 8 is mounted on a stand 28 erected on the side of the plant body 7, and the uppermost stage of the stand 28 is used for recycling waste material that is rotatably supported on a dryer machine base 29. A dryer 25 is mounted. Further, a burner 30 is disposed in a lower space of the waste material regeneration dryer 25, and a combustion chamber 31 for forming a flame is disposed in front of the burner 30, and the combustion chamber 31 is disposed in the waste material regeneration dryer 25. Hot air generated by the burner 30 connected to the hot hopper 32 side is introduced into the waste material recycling dryer 25.
[0024]
A bucket elevator 33 is disposed on the hot hopper 32 side of the waste material recycling dryer 25 to lift the waste material from the deck and supply it to the drum. In addition, a waste material storage bin 26 for temporarily storing the heated waste material is disposed below the discharge part on the cold hopper 34 side of the waste material regeneration dryer 25, and the heated waste material discharged from the waste material regeneration dryer 25 falls and is stored by gravity. It has come to be.
[0025]
A waste material measuring tank 27 for measuring the waste material is disposed below the waste material storage bin 26, and a predetermined amount of waste material discharged from the waste material storage bin 26 is measured, and the measured waste material is measured from the lower part of the waste material measurement tank 27 to the plant body. 7 is transported into the mixer 24 by a waste material transporting conveyor 35 that is passed over to the mixer 24.
[0026]
Further, on the lower floor 36 of the gantry 28, ancillary equipment of the recycling plant 8 such as a dust collector 38 connected to the exhaust flue 37 of the waste material recycling dryer 25 and a fan 39 for sucking and exhausting exhaust gas is disposed. .
[0027]
In addition, an aggregate storage facility 40 for storing aggregate, which is a material of asphalt mixture, is mounted from the center of the carriage 1 to the stern side, and the aggregate storage facility 40 is partitioned into a plurality of compartments. To store crushed stone and sand.
[0028]
In addition, aggregate receiving hoppers 41 and 42 for receiving the aggregate to be carried are disposed at the side of the aggregate storage facility 40, and the aggregate receiving hopper 41 is a hopper for receiving the aggregate loaded by the transport vehicle. Thus, the aggregate receiving hopper 42 is a hopper that is received from a carrier ship that lies next to the carriage 1.
[0029]
Between the lower part of these aggregate receiving hoppers 41 and 42 and around the aggregate storage facility 40 to the vicinity of the upper center of the aggregate storage facility 40, an aggregate receiving conveyor 43 as a material transporting device is disposed. A distribution conveyor 44 that distributes the transported bone material in two directions is disposed below the tip. A pair of shuttle conveyors 45 and 45 ′ for placing desired aggregates in the partitioned compartments are disposed below both ends of the distribution conveyor 44. Further, a waste material storage facility 46 for storing the waste material carried in adjacent to the aggregate storage facility 40 is provided.
[0030]
As described above, the conveyor space 4 is formed in the hull of the lower carrier 1 of the aggregate storage facility 40, and the conveyor space 4 is cut out from the lower part of each compartment of the aggregate storage facility 40. An aggregate conveying conveyor 48 for conveying the aggregate to be delivered at 47 on the deck is provided. The end of the aggregate conveying conveyor 48 is extended to the cold hopper 34 side of the dryer 5, and the discharged aggregate is conveyed and supplied to the dryer 5. Further, the waste material in the waste material storage facility 46 is also transported and supplied to the bucket elevator 33 facing the waste material dryer 25.
[0031]
Further, a transport vehicle ramp 49 is provided at the bow of the carriage 1 to allow the carriage to get on and off the carriage 1 when the carriage 1 berths. The transport vehicle ramp 49 is pivotally supported at its base, and one end of a wire rope 51 hung around the top of a ramp mast 50 standing near the pivot of the transport vehicle ramp 49 on the deck. The other end is wound around the winch 52 on the deck, and the winch 52 is driven so that the transporter ramp 49 can be raised and lowered.
[0032]
FIG. 5 shows a device provided so that asphalt mixture can be loaded on a transport vehicle even when the ship cannot berth, and a boom 53 having a length from the lower part of the plant main body 7 to the quay that berths. Is pivotally supported in the vicinity of the discharge portion of the asphalt mixture of the plant body 7, and one end of the wire rope 54 wound around the winch mounted on the plant body 7 is connected, and the boom 53 is driven by driving the winch. Can be raised and lowered freely.
[0033]
Then, a guide rail 55 is laid on the boom 53 along the longitudinal direction of the boom, and the guide rail 55 receives the asphalt mixture discharged from the plant body 7 and travels along the guide rail 55. 56 is disposed.
[0034]
Further, 57 in FIG. 1 is a fuel tank for supplying fuel to the burner 12 of the dryer 5 and is housed in the hull of the carriage 1 so that the deck of the carriage 1 can be used as widely as possible. I have to.
[0035]
Reference numeral 58 denotes an operation room arranged on the deck. The operation room has an operation panel for operating the power generation device of the engine room 3 of the carriage 1, an operation panel for operating an asphalt plant, or at the time of berthing. The transport vehicle lamp 49 to be used, the operation panel of the boom 53, and the like are accommodated.
[0036]
59 is a spud arranged on both sides of the stern 1 near the stern. When the berth is anchored, a pile-shaped spud body is sent from the top of the craft 1 toward the seabed by the rack mechanism, and the tip of the spud body is placed on the seabed. It is intended to ensure the stability of the trolley 1 when it is anchored.
[0037]
Next, a method for producing asphalt mixture by using the asphalt plant ship having the above-described configuration will be described. First, the carrier 1 loaded with each equipment of the asphalt plant is towed to a port or quay near the construction site by towing, and the asphalt plant ship is berthed and fixed while using the spud 59.
[0038]
Then, at the time of sea movement, the carriage passing ramp 49 on the bow side of the trolley 1 raised by winding the wire rope 51 is tilted by feeding the wire rope 51 so that its tip is brought into contact with the quay. A passage for the transportation of the transport vehicle to the ship 1 is secured.
[0039]
Various aggregates such as crushed stone and sand that are brought in from the land or the sea are received by the aggregate receiving hoppers 41 and 42 on the carriage 1 and are aggregated in the aggregate storage facility 40 via the aggregate receiving conveyor 43 and the like. Store. Similarly, materials such as stone powder, asphalt, or fuel are procured via land or sea and stored in each tank. When the material can be stored in the aggregate storage facility 40 or other storage facilities in this way, the operation preparation is completed.
[0040]
In response to a shipment request from the construction site, the aggregate supply to the dryer 5 is started, the aggregate is heated and dried to a predetermined temperature, the heated aggregate is transported to the upper part of the plant body 7 and sieved according to the particle size. Temporarily store in the aggregate storage bin 20. Then, depending on the composition of the shipping composite, the desired aggregate is dispensed to the aggregate measuring tank 21 and weighed in a predetermined amount, and stone powder and asphalt are also weighed separately, and these materials are put into the mixer 24 and mixed and adjusted. Manufactured asphalt mixture.
[0041]
At this time, if the recycling plant 8 is also mounted, the waste material can be reused by heating and regenerating the waste material with the waste material recycling dryer 25 and mixing the waste material into the new composite material.
[0042]
The manufactured asphalt composite material is loaded onto a transport vehicle that stands on the lower side of the mixer 24 after boarding the transport vehicle ramp 49 and transported to the construction site.
[0043]
Further, when it is difficult to berth due to the situation of the berthing point, the transport vehicle is made to wait on the quay, and the boom 53 normally raised by winding the wire rope 54 is tilted by the feeding of the wire rope 54, and its tip portion Asphalt composites are shipped in such a way that the asphalt composites are loaded onto the transport vehicles waiting at the quay via the composite material transport hopper 56 that reciprocates on the guide rail 55 of the boom 53. To do.
[0044]
【The invention's effect】
As described above, in the asphalt plant ship according to the first aspect of the present invention, the dryer 5 for heating and drying the aggregate and the aggregate that has been heated and dried are temporarily stored on the carriage 1 and a predetermined amount is stored. The plant body 7 that measures and mixes with other materials to produce asphalt mixture, the aggregate storage facility 40, the stone powder storage silo 22, and the asphalt tank 23 are mounted and stored in the aggregate storage facility 40. Since the aggregate receiving hoppers 41 and 42 for receiving the aggregate and the material conveying apparatus for conveying various materials between these apparatuses are arranged, the base of the asphalt plant can be easily moved to the destination. Asphalt composites can be supplied quickly and stably in large quantities even on remote islands where land-based use is difficult.
[0045]
Further, in the asphalt plant ship according to claim 2 according to the present invention, the plant main body 7 on the carriage 1 is reciprocated between the material discharging part and the material unloading point along the guide rail 55. Since the boom 53 equipped with the hopper 56 for transporting the mixed material can be raised and lowered freely, the shipping work of the asphalt mixed material can be performed in a state where the transport vehicle is waiting on the quay and is difficult to contact the berth. Can also be done easily.
[0046]
Further, in the asphalt plant ship according to claim 3 according to the present invention, since the lower parts of the material storage containers such as the stone powder storage silo 22 and the asphalt tank 23 are housed in the hull of the base boat, these tall ships It is possible to lower the center of gravity by lowering the protruding height of the material storage container from the deck deck and to increase the stability of the asphalt plant ship.
[Brief description of the drawings]
FIG. 1 is a side view of an asphalt plant ship according to the present invention.
2 is a plan view of FIG. 1. FIG.
3 is a partially omitted side view of FIG. 1. FIG.
4 is an enlarged view of a main part of FIG. 4;
FIG. 5 is a side view for explaining the loading device provided in the asphalt plant ship according to the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Truck 5 ... Dryer 7 ... Plant main body 12 ... Burner 22 ... Stone dust storage silo 23 ... Asphalt tank 40 ... Aggregate storage equipment 41, 42 ... Aggregate receiving hopper 43 ... Aggregate receiving conveyor (material conveying device)
48 ... Aggregate drawer conveyor (material conveying device)
49 ... Transport vehicle ramp 53 ... Boom 56 ... Compound material transport hopper 57 ... Fuel tank

Claims (3)

Dryers that heat and dry aggregates such as crushed stone, sand, etc. on a trolley, and temporarily store the heat-dried aggregates by sieving them according to their particle sizes, weigh the aggregates of various particle sizes by a specified amount, stone powder and asphalt A plant body for producing asphalt mixture by mixing together, an aggregate storage facility that is divided into a plurality of compartments and stores the aggregate according to particle size, a stone powder storage silo that stores stone powder, and a melted asphalt An asphalt tank for storing, an aggregate receiving hopper for receiving the aggregate stored in the aggregate storage facility, and a material transporting device for transporting various materials between these devices ,
The material conveying device includes an aggregate receiving conveyor that conveys the aggregate received by the aggregate receiving hopper, a distribution conveyor that distributes the conveyed aggregate, and disposed below the distribution conveyor in the compartment. An asphalt plant ship comprising a pair of shuttle conveyors for charging aggregates . Dryers that heat and dry aggregates such as crushed stone, sand, etc. on a trolley, and temporarily store the heat-dried aggregates by sieving them according to their particle sizes, weigh the aggregates of various particle sizes by a specified amount, stone powder and asphalt A plant body for producing asphalt mixture by mixing together, an aggregate storage facility that is divided into a plurality of compartments and stores the aggregate according to particle size, a stone powder storage silo that stores stone powder, and a melted asphalt An asphalt tank for storing, an aggregate receiving hopper for receiving the aggregate stored in the aggregate storage facility, and a material transporting device for transporting various materials between these devices ,
The material conveying device includes an aggregate receiving conveyor that conveys aggregate received by the aggregate receiving hopper, and a shuttle conveyor that inputs the conveyed aggregate into the compartment,
One end of the boom from the asphalt mixture discharging part to the asphalt mixture unloading point on the quay is pivoted on the plant body on the carriage so that it can be raised and lowered, and a guide rail is attached to the boom along the length direction of the boom. In addition to laying, the guide rail is mounted with a hopper for transporting a composite material that reciprocates between the composite material dispensing part and a composite material unloading point.
Asphalt plant ship. The lower part of the material storage container such as the stone powder storage silo or asphalt tank is stored in the flank of the base boat,
The asphalt plant ship according to claim 1 or claim 2.

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