JP2011168319A - Inner bag for container, packing method, and object feeder - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an inner bag for a container, configured to prevent the application of the container after use from being limited while reducing its cost, and to provide a packing method, and an object feeder. <P>SOLUTION: The container 1 includes bag bodies 11 corresponding to the internal shape of the container 1. The bag bodies 11 are attached to the inside of the container 1 by means of a plurality of engaging members 21a to 21c arranged at intervals corresponding to the locations of the engagement parts in the container 1. Replacing the bag bodies 11 eliminates the need to wash inside the container 1, and prevents odor from remaining in the container. This allows the container to be used for other application, and to prevent limit of the use of the container 1. Washing cost and returning costs are reduced to achieve a low cost. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a container inner bag, a packaging method, and an object supply device.

  2. Description of the Related Art Conventionally, as described in Patent Document 1 below, a trash solid fuel production ship that produces trash solid fuel at sea is known. In such a ship, the collected general garbage is accommodated in a container and transported.

  In addition, the fuel used in circulating fluidized bed (CFB) boilers and rotary kilns is often solid, and when transporting solid fuel, it is generally transported by bulk carriers or trucks. . The transported solid fuel has been stored in, for example, a specialized yard on the site and re-transported to be supplied to the plant at the time of use.

  In some cases, solid fuel is transported by using a marine container for transportation from overseas. In such a case, the solid fuel is packed in a bag such as a flexible container bag and loaded in the container. Thereafter, in the case of supplying fuel, the flexible container bag was taken out from the container, moved into the plant, and then supplied to the plant.

JP-A-11-343491

  However, in the prior art described in Patent Document 1 above, general garbage is directly stored in the container, so malodors generated from the general garbage adhere to the container. Could not be used for Therefore, it will be transported in a dedicated container, and the use of the container will be limited, and the empty container after transporting general garbage must be returned empty without being diverted to other uses, and the return cost of the container will be There has been a problem of this. Moreover, in order to use it for many purposes like a general container, the inner surface of the container has to be cleaned in order to remove bad odors, resulting in a problem of high cleaning costs.

  The present invention was made to solve such a problem, and prevents the use of the container after use from being limited, and can reduce the cost of the container inner bag, It is an object of the present invention to provide a packing method using an inner bag for containers and an object supply device using a container equipped with the inner bags for container.

  The container inner bag according to the present invention is a container inner bag that is mounted in a container and accommodates an object, and has an opening for taking in and out the object, and has a shape corresponding to the inner surface shape of the container. And a plurality of engaging members arranged at intervals corresponding to the positions of the engaging portions provided in the container and for mounting the bag main body in the container.

  In such an inner bag for a container, the bag main body is provided with a bag main body corresponding to the inner shape of the container, and the bag main body is formed by a plurality of engaging members arranged at intervals corresponding to the positions of the engaging portions provided in the container. It can be installed in a container. Therefore, the object can be accommodated in the bag body mounted in the container, and the object can be prevented from adhering to the inner surface of the container. In addition, by replacing the bag body, cleaning inside the container is unnecessary, and the container can be used for other purposes. Therefore, the use of the container is prevented from being limited, and the cleaning cost and the return cost can be reduced.

  Moreover, it is preferable that the bag main body is formed of a multilayer film in which a plurality of film materials are laminated to prevent moisture permeation. Thereby, in the bag main body formed with the multilayer film, it is possible to prevent the permeation | transmission of a water | moisture content, Therefore The dryness in a bag main body can be maintained appropriately. For example, since the fuel that is the object filled in the bag body is prevented from absorbing moisture, the quality of the fuel can be maintained.

  The packing method of the present invention is a method of packing an object using the container inner bag described above, wherein an engagement member is provided in a container side engagement portion provided in a container provided in the container. Engage the container inner bag to fit the inner shape of the container, fill the container inner bag with the object, discharge the gas in the container inner bag, and seal the inside Or a step of filling an inner bag for a container with an inert gas to form a sealed state.

  According to such a packing method, a bag body having a shape corresponding to the inner surface shape of the container is mounted in accordance with the inner surface shape of the container, the target container is filled into the inner bag for the mounted container, The gas in the filled container inner bag can be discharged to make the inside sealed. Thereby, the inside of the container inner bag filled with the object can be dried, and the deterioration of the quality of the object can be prevented by preventing moisture absorption of the object filled in the container inner bag. it can. It is also possible to prevent the object from being oxidized by filling the bag with an inert gas.

  An object supply apparatus of the present invention is an object supply apparatus that supplies an object using a container in which the container inner bag described above is mounted, the container installation unit for installing the container, and the container And a support device that rotatably supports the installation unit, and by tilting the container, the object in the container inner bag can flow out of the container.

  In such an object supply device, an object can be supplied using a container in which the aforementioned inner bag for containers is mounted. The container equipped with the container inner bag is installed in the container installation unit and is rotatably supported by a support device. The support device rotates and tilts the container. Thereby, the target object accommodated in the inner bag for containers can be flowed out of the container, and the target object can be supplied to another device or the like. Moreover, since the container inner bag is mounted on the container of the object supply device, the object can be prevented from adhering to the inner surface of the container. In addition, by replacing the bag body, cleaning inside the container is unnecessary, and the container can be used for other purposes. Therefore, the use of the container is prevented from being limited, and the cleaning cost and the return cost can be reduced.

  Advantageous Effects of Invention According to the present invention, even when an object that generates an odor is accommodated in a container, it is possible to prevent the use of the container after use from being limited and to reduce the cost. The packing method using the inner bag for containers and the inner bag for containers can be provided.

It is a perspective view of the inner bag for containers concerning the embodiment of the present invention. It is a perspective view of the container with which the inner bag for containers in FIG. 1 is mounted | worn. It is a perspective view which shows the stay provided in the corner part of the back wall and side wall of the container shown in FIG. It is a perspective view which shows the hook provided in the corner part of the top plate and side wall of the container shown in FIG. It is a perspective view which shows the stay provided in the edge part of the front side of the side wall of the container shown in FIG. It is a schematic block diagram which shows the fuel supply apparatus which supplies the fuel with which the container was filled.

  Hereinafter, preferred embodiments of an inner bag for a container according to the present invention and a packing method using the same will be described with reference to FIGS. 1 is a perspective view of a container inner bag according to an embodiment of the present invention, and FIG. 2 is a perspective view of a container to which the container inner bag in FIG. 1 is attached. The container inner bag 10 shown in FIG. 1 is used by being mounted on the container 1 shown in FIG. Also, the width direction of the container will be described as the X-axis direction, the longitudinal direction as the Y-axis direction, and the height direction as the Z-axis direction.

  First, the container 1 will be described. The container 1 accommodates an object and is used for transportation, transportation, storage, and the like. Examples of the object accommodated in the container 1 include solid fuel and raw materials (fuel chips, fuel pellets) used in plant facilities such as CFB and rotary kiln.

  The container 1 of this embodiment is a 40 ft marine container, for example, and has an opening for taking in and out an object on the front side. The container 1 includes front doors 2 and 2, a rear wall 3, a top plate 4, a bottom plate 5, and side walls 6 and 6 that constitute each wall surface of a rectangular parallelepiped. Strength members (posts, L-shaped steel, etc.) constituting the skeleton of the container are arranged at the corners of the container 1, and these front members 2, 2, the back wall 3, the top plate 4, the bottom plate 5, Side walls 6 and 6 are supported and fixed. The front doors 2 and 2 open and close the opening on the front side of the container 1, and the left and right doors 2 and 2 are formed to open from the center to both sides.

  Moreover, the inside of the container 1 has airtightness, and the inner surfaces (inner walls) of the walls 2 to 6 of the container 1 are covered with a material having corrosion resistance in accordance with the properties of the solid fuel / raw material to be accommodated. It is preferable.

  3-5 is each figure which shows the engaging member for attaching the inner bag for containers provided in a container along the inner surface shape of a container. In FIG. 3, the corner part of the back side in the container 1 is shown. A stay 41a is provided as an engaging portion on the container side at a corner portion (corner portion where the back wall 3 and the side wall 6 intersect) that are continuous in the Z-axis direction on the back side of the container 1. The stay 41a is fixed to a strength member (for example, L-shaped steel) 71 extending in the Z-axis direction at a corner portion where the back wall 3 and the side wall 6 intersect. The stay 41a has a rod shape and extends between the intersecting wall surfaces 3 and 6 in a direction along the XY plane. One end of the stay 41 a is welded to a surface 71 a along the back wall 3 of the strength member 71, and the other end of the stay 41 a is welded to a surface 71 b along the side wall 6 of the strength member 71.

  In FIG. 4, a corner portion on the ceiling side of the container 1 is shown. A hook 41b is provided as an engaging portion on the container side at a corner portion (corner portion where the top plate 4 and the side wall 6 intersect) that are continuous in the Y-axis direction on the ceiling side of the container 1. The hook 41b is fixed to a strength member 72 extending in the Y-axis direction at a corner portion where the back wall 3 and the side wall 6 intersect. For example, the hook 41b is bent into a U shape. An end portion of the hook 41b is welded to the lower surface 72a of the strength member 72, and a U-shaped curved portion is disposed downward. Although not shown, a hook 41b is similarly provided as an engaging portion on the container side in a corner portion (corner portion where the bottom plate 5 and the side wall 6 intersect) which are continuous in the Y-axis direction on the bottom side of the container 1. It has been.

  In FIG. 5, the front end of the side wall 6 of the container 1 is shown. A stay 41c is provided at the front end of the side wall 6 of the container 1 as an engaging portion on the container side. On the inner surface of the side wall 6, a groove 6a that is recessed toward the outside of the container is formed along the Z-axis direction. The stay 41 c is disposed in a groove 6 a formed at the end on the front side of the side wall 6. The stay 41c has a rod shape, and extends in the Y-axis direction between the opposing wall surfaces of the groove 6a. The end part of the stay 41c is joined to the wall surface of the groove part 6a by welding. The stay 41c is provided on each of the pair of side walls 6 and 6 facing in the width direction. A plurality of stays 41 c are provided in the height direction Z of the container 1. The stays 41c are preferably provided at, for example, three locations in the height direction Z of the container 1, that is, an upper end portion, a central portion, and a lower end portion.

  Next, the container inner bag 10 will be described with reference to FIG. The container inner bag 10 is mounted in the container 1 and accommodates an object such as solid fuel. The container inner bag 10 includes a bag body 11 having a shape corresponding to the inner surface shape of the container 1. The bag body 11 is formed to correspond to each wall surface of the container 1 (see FIG. 2, front door 2, back wall 3, top plate 4, bottom plate 5, side walls 6 and 6). The bag body 11 has a rectangular parallelepiped shape, and a space for accommodating an object is formed therein. The bag body 11 includes a front sheet 12, a back sheet 13, a top sheet 14, a bottom sheet 15, and side sheets 16 and 16 as six sheets constituting each wall surface of the rectangular parallelepiped.

  Each sheet 12-16 which comprises the bag main body 11 is formed with resin, such as polyethylene, a polypropylene, a polycarbonate, for example. Each of the sheets 12 to 16 is preferably a multilayer film in which a plurality of films made of different materials are laminated. In particular, when the container inner bag 10 is filled with a solid fuel, it is preferable that the bag body 11 is formed of a multilayer film that prevents permeation of moisture.

  Moreover, the front sheet | seat 12 is arrange | positioned facing the front door 2 of the container 1, and functions as a door which opens and closes the opening part of the front side of the bag main body 11. FIG. The front sheet 12 is divided into a plurality (four in this embodiment) and is configured to be openable and closable. The front sheet 12 is provided with a fastener (sliding clasp) 31 as a fastener for sealing the inside of the bag body 11. The fastener 31 is arrange | positioned along the diagonal of the front sheet | seat 12, for example. By closing the fastener 31, the inside of the bag main body 11 can be sealed, and by opening the fastener 31, the front sheet 12 can be opened and an object can be taken in and out of the bag main body 11.

  Here, the container inner bag 10 is provided with a plurality of hooks 21 a to 21 c for mounting the bag body 11 in the container 1. The hooks 21a to 21c are arranged at intervals corresponding to the positions of the engaging portions (stay 41a, hook 41b, stay 41c) of the container 1. The hooks 21a to 21c have shapes that can be engaged with the engaging portions 41a to 41c on the container side. The hooks 21a to 21c have, for example, a curved portion as a shape that can be engaged with the container side engaging portions 41a to 41c, and the curved portion is locked to the container side engaging portions 41a to 41c.

  The hooks 21a to 21c are formed on the outer surface side of the corner portion where the sheets intersect. On the outer surface of the top sheet 14, a plurality of hooks 21 b arranged at predetermined intervals along the longitudinal direction Y are provided at both ends in the width direction X. Similarly, on the outer surface of the bottom sheet 15, a plurality of hooks 21 b arranged at predetermined intervals along the longitudinal direction Y are provided at both ends in the width direction X. The hook 21b formed on the top sheet 14 is hooked on the hook 41b formed on the ceiling of the container 1, and the hook 21b formed on the bottom sheet 15 is hooked on the hook 41b formed on the bottom of the container 1. It is done.

  Further, a plurality of hooks 21c arranged at predetermined intervals along the height direction Z are provided on the outer surface of the side sheet 16 at the front end, and arranged at predetermined intervals along the height direction Z. A plurality of hooks 21a are provided at the end on the back side. Then, the hook 21c formed on the front side of the side sheet 16 is hooked on the stay 41c formed on the opening side of the front of the container 1, and the hook 21a formed on the back side of the side sheet 16 is It is hooked on a stay 41a formed on the opening side of the back surface.

  The hooks 21a to 21c can be formed of, for example, a resin material, and are joined to the sheet of the bag body 11 by fusion. Further, a tape-like thick portion 19 is formed on the sheets 14 to 16 forming the side surface of the bag body 11. In this way, the thick portion 19 can be formed and thicker than the peripheral portion. Moreover, the stability of the attaching part of hooks 21a-21c can be improved by attaching hooks 21a-21c on such a tape-shaped thick part 19. FIG.

  Next, a fuel supply device (object supply device) using the container 1 filled with solid fuel will be described with reference to FIG. A container fuel supply apparatus 50 shown in FIG. 6 is an apparatus that is installed in a plant such as a CFB boiler and supplies solid fuel (object) accommodated in the container 1. A container inner bag 10 is mounted in a container 1 applied to the container fuel supply apparatus 50, and solid fuel is accommodated in the container inner bag 10. The container fuel supply device 50 includes a container installation unit 51 for installing the container 1, a support device 52 for rotatably supporting the container installation unit 51, and a fuel conveyance device 53 for conveying the solid fuel that has flowed out of the container 1. I have.

  The container installation part 51 supports the container 1 so that attachment or detachment is possible. In the side view (state shown in FIG. 6), the container installation unit 51 has, for example, an L shape, corresponds to the long side of the L shape, and supports a bottom plate support 51 a that supports the bottom plate 5 side of the container 1. Corresponding to the short side of the character, it has a front support portion 51 b that supports the front door 2 side of the container 1. The container installation part 51 is configured to be rotatable around a predetermined axis with an intersection 51c between the bottom plate support part 51a and the front support part 51b as a base point.

  The support device 52 is disposed at a lower portion of the container installation unit 51, and pushes up the container installation unit 51 from below to rotate and incline the container installation unit 51. The support device 52 includes a drive mechanism 52b having a hydraulic cylinder 52a and the like, and tilts the container installation unit 51 by pressing it from below. The container 1 fixed to the container installation part 51 is inclined so that the front door 2 side is on the lower side. The fuel transfer device 53 is disposed in the lower front part of the front opening of the container 1 fixed to the container installation part 51.

  The support device 52 causes the solid fuel in the container 1 to flow out by inclining the container 1 and flows the solid fuel into the fuel transfer device 52. The container fuel supply device 50 can incline the container 1 and finally make the container 1 stand upright on the fuel transfer device 53. The fuel conveyance device 53 conveys the solid fuel supplied from the container 1 and supplies it to a fuel inlet such as a boiler body.

  Next, a packing method using the container inner bag will be described. In this packing method, a mounting step for mounting the container inner bag 10 in the container 1, a filling step for filling an object such as solid fuel in the container inner bag 10 mounted in the container 1, a container inner bag A degassing step of degassing and sealing the inside of 10 is performed.

  First, in the mounting step, the container inner bag 10 is carried into the container 1, and the hooks 21 a to 21 c of the container inner bag 10 are engaged with the engaging portions of the container 1. Specifically, the hook 21 b formed on the upper part of the container inner bag 10 is locked to the hook 41 b of the container inner bag 10. For example, an operator enters the container 1, engages the hook 21 b from the outside of the container inner bag 10, and suspends the container inner bag 10. Next, the worker enters the container inner bag 10 and engages the remaining hooks 21a to 21c formed on the rear side, the lower side, and the front side with the corresponding stay 41a, hook 41b, and stay 41c. . Thereby, the container inner bag 10 is attached in the container 1, and the container inner bag 10 is mounted along the inner surface shape of the container 1.

  In the filling step, the solid fuel is filled into the container inner bag 10. For example, the container inner bag 10 is filled with solid fuel using a conveyor such as a conveyor. In the deaeration process, for example, the air in the container inner bag 10 is discharged to the outside using a pump or the like, the fastener 31 is closed, and the inside is sealed. Finally, the front door 2 of the container 1 is closed to complete packing.

  Moreover, it may replace with a deaeration process and you may perform the inert gas filling process which fills the inner bag 10 for containers with an inert gas, and seals. In the inert gas filling step, for example, the air in the container inner bag 10 is exhausted and filled with an inert gas such as nitrogen, so that the container inner bag 10 is sealed. Thereby, the oxidation of the target object filled in the container inner bag 10 can be prevented.

  Such a container inner bag 10 includes a bag main body 10 corresponding to the inner surface shape of the container 1, and the container inner bag 10 includes a plurality of hooks 21 a to 21 b arranged corresponding to the inner surface shape of the container 1. 21c is provided. Thereby, the inner bag 10 for containers can be mounted | worn along the inner surface shape of the container 1 by engaging the some hook 21a-21c with the engaging part in the container 1. FIG. Moreover, since it is set as the structure which can be attached or detached using hook 21a-21c, washing | cleaning in the container 1 becomes unnecessary by replacing the bag main body 11. FIG. As a result, since the possibility that odors remain in the container 1 is reduced, the use of the container is not limited and can be used for other uses. Moreover, since the fastener 31 for sealing the inside of the bag main body 11 is provided, the sealing state in the bag main body 11 can be maintained, and the odor in the bag main body 11 is prevented from leaking outside.

  Moreover, when the bag main body 11 is formed of the multilayer film which prevents permeation | transmission of a water | moisture content, the dryness in the bag main body 11 can be maintained appropriately. Since the solid fuel filled in the bag body 11 is prevented from absorbing moisture, the quality as fuel is maintained.

  Further, according to the packing method using the container inner bag of the present embodiment, the bag main body 11 having a shape corresponding to the inner surface shape of the container 1 is mounted in accordance with the inner surface shape of the container 1, and the mounted container The inner bag 10 can be filled with solid fuel, the gas in the container inner bag 10 filled with the solid fuel can be discharged to the outside, and the bag 10 can be sealed. Thereby, the humidity inside the container inner bag 10 filled with the solid fuel can be maintained, and the dry state can be maintained. By preventing the solid fuel filled in the container inner bag 10 from absorbing moisture, Quality deterioration can be prevented.

  As mentioned above, although this invention is concretely demonstrated based on the embodiment, this invention is not limited to the said embodiment. In the said embodiment, although the target object accommodated in the container inner bag 10 is made into solid fuel, you may accommodate other objects, such as powder, in the container inner bag 10, for example. Moreover, although it is set as the container inner bag 10 provided with a hook as an engaging member, it is good also as the container inner bag 10 provided with the other fastening part as an engaging member.

  Moreover, although the opening part of the inner bag 10 for containers is set as the structure closed with a fastener, you may seal an opening part using another fastener, and you may seal an opening part by melt | fusion etc.

  Moreover, the attachment position of hooks 21a-21c is not limited to a corner part, You may be provided in the center of the sheet | seat surface.

  DESCRIPTION OF SYMBOLS 1 ... Container, 10 ... Inner bag for containers, 11 ... Bag main body, 21a-21c ... Hook (engaging member), 41a, 41c ... Stay (container side engaging part), 41b ... Hook (container side engaging part) 50 ... Fuel supply device (object supply device), 51 ... Container installation section, 52 ... Support device.

Claims (4)

An inner bag for a container that is mounted in a container and accommodates an object,
An opening for taking in and out the object is formed, and a bag body having a shape corresponding to the inner surface shape of the container;
A plurality of engaging members arranged at intervals corresponding to the positions of the engaging portions provided in the container, and for mounting the bag main body in the container. .   2. The container inner bag according to claim 1, wherein the bag body is formed of a multilayer film in which a plurality of film materials are laminated to prevent moisture permeation. A method of packing an object using the container inner bag according to claim 1 or 2,
Engaging the engaging member with a container side engaging portion provided in the container, and mounting the container inner bag in accordance with the inner surface shape of the container;
Filling the container with the object;
A packing method comprising: a step of discharging the gas in the container inner bag to make the inside sealed, or a step of filling the container inner bag with an inert gas to make the container sealed. An object supply device for supplying the object using a container equipped with the container inner bag according to claim 1 or 2,
A container installation section for installing the container;
A support device that rotatably supports the container installation section,
By tilting the container, the object in the inner bag for containers can flow out of the container.

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