Asphalt container

Abstract

The utility model provides an asphalt container. The asphalt container comprises a container body and a heating component. The box body comprises a top plate, a bottom plate, side plates and end plates. The heating component is attached to the box body and comprises a heating layer and a heat preservation layer, and a supramolecular frequency conversion heating material is contained in the heating layer. At least one of the top plate, the bottom plate, the side plates and the end plates is provided with a heating component. According to the asphalt container, the space in the container body cannot be occupied, asphalt in the container body is heated more uniformly, so that the asphalt quality is guaranteed, in addition, a matched connecting device externally connected with the container body is not needed, matched facilities are simple, the requirement for a site is low, and the flexibility is higher.

Description

Technical Field

[0001] The utility model generally relates to the technical field of containers, and more particularly to an asphalt container. Background Art

[0002] At present, asphalt containers are divided into hot asphalt containers and cold asphalt containers.

[0003] Hot asphalt containers are used to transfer asphalt into containers via a crane. The asphalt is then transported to a designated location by road, rail, or ship before being unloaded into designated asphalt tanks. During transportation, the asphalt remains in a hot liquid state. This solution is unsafe, costly, and environmentally polluting.

[0004] In a cold asphalt container, after asphalt is input into the container and cooled, the asphalt is in a low-temperature solid state during transportation. After the asphalt is transported to a designated location by road, rail, ship, etc., circulating heat transfer oil or steam is delivered to the heating pipes installed in the container, or electric heating rods, high-temperature flames, etc. are used to transfer heat sources to the heating pipes. The heat is transferred to the asphalt in the box through the heating pipes, so that the asphalt is converted from solid to liquid before being unloaded into a designated asphalt tank. However, the heating pipes of this solution are difficult to process and have high manufacturing costs. In addition, the heating pipes will occupy space in the box, making the box heavy, affecting the loading capacity, and uneven heating will affect the quality of the asphalt. In addition, the cold asphalt container needs to be equipped with a connecting device that matches the heating pipes at the place where the asphalt box is unloaded, so that the heat can be effectively transferred to the heating pipes in the box. The site requirements are high, the heating facilities are relatively complex, and the flexibility is low. Utility Model Content

[0005] The Summary of the Utility Model introduces a series of simplified concepts that will be further described in the Detailed Description of the Utility Model. The Summary of the Utility Model of the Utility Model does not intend to limit the key features and essential technical features of the claimed technical solution, nor does it intend to determine the scope of protection of the claimed technical solution.

[0006] In order to at least partially solve the above problems, the present invention provides an asphalt container, which includes:

[0007] a box body, the box body comprising a top plate, a bottom plate, side plates and end plates; and

[0008] A heating component, the heating component being attached to the box body, the heating component comprising a heating layer and a heat-insulating layer, the heating layer containing a supramolecular variable frequency heating material;

[0009] Wherein, at least one of the top plate, the bottom plate, the side plate and the end plate is provided with the heat generating component.

[0010] According to the asphalt container of the present invention, the asphalt in the box is heated by a heating component attached to the box, so that the space in the box is not occupied, and the heating of the asphalt in the box is more uniform, thereby ensuring the quality of the asphalt. In addition, the asphalt in the box can be heated by simply connecting the heating component to electricity, without the need for a matching connection device outside the box. The supporting facilities are simple, the site requirements are low, and the flexibility is higher.

[0011] Optionally, the box body includes a bottom cross beam, which is connected to the bottom surface of the bottom plate; the heating component is arranged below the bottom plate and is arranged in contact with the bottom surface of the bottom plate; the heating component does not protrude from the bottom surface of the bottom cross beam along the height direction of the box body.

[0012] Optionally, the box body further includes a connecting angle steel, which is arranged on a side of the bottom beam and connected to the heating component.

[0013] Optionally, the top plate includes a recessed portion and a raised portion; the heating component is arranged in the recessed portion and is in contact with the top surface of the recessed portion; the heating component does not protrude from the top surface of the raised portion along the height direction of the box body.

[0014] Optionally, the box body further includes a cover plate, which is connected to the top surface of the raised portion and forms a first accommodating space with the raised portion for accommodating the heat-generating component.

[0015] Optionally, the box body includes a first reinforcing rib, which is connected to the outer wall of the side panel; the heating component is arranged on the outer side of the side panel and is arranged in close contact with the outer wall of the side panel; the heating component does not protrude beyond the first reinforcing rib away from the side wall of the side panel along the width direction of the box body.

[0016] Optionally, the box body further includes a first sealing plate, which is connected to the side wall of the first reinforcing rib away from the side plate and forms a second accommodating space for accommodating the heat-generating component together with the first reinforcing rib and the side plate.

[0017] Optionally, the box body includes a second reinforcing rib, which is connected to the outer wall of the end plate; the heating component is arranged on the outer side of the end plate and is arranged in close contact with the outer wall of the end plate; the heating component does not protrude beyond the second reinforcing rib away from the side wall of the end plate along the length direction of the box body.

[0018] Optionally, the box body further includes a second sealing plate, which is connected to the side wall of the second reinforcing rib away from the end plate and forms a third accommodating space for accommodating the heat-generating component together with the second reinforcing rib and the end plate.

[0019] Optionally, the heating component further comprises a barrier layer, wherein the barrier layer is provided between the heating layer and the thermal insulation layer; and / or

[0020] The heat-generating component further includes a first waterproof layer and a second waterproof layer, wherein the first waterproof layer and the second waterproof layer are spaced apart from each other, and the heat-generating layer and the heat-insulating layer are disposed between the first waterproof layer and the second waterproof layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The following drawings of the embodiments of the present invention are used as part of the present invention to understand the present invention. The drawings show the embodiments of the present invention and their descriptions, and are used to explain the principles of the present invention. In the drawings,

[0022] Figure 1 This is a three-dimensional schematic diagram of an asphalt container according to a preferred embodiment of the present invention. To clearly illustrate the internal structure of the container, one side panel assembly of the container has been hidden.

[0023] Figure 2 for Figure 1 A top view of the asphalt container in the;

[0024] Figure 3 For the Figure 2 Schematic diagram of the cross section taken along the midline AA;

[0025] Figure 4 for Figure 3 An enlarged schematic diagram of part B in FIG;

[0026] Figure 5 for Figure 1 Bottom view of the asphalt container in the figure;

[0027] Figure 6 for Figure 3 An enlarged schematic diagram of part C in FIG;

[0028] Figure 7 for Figure 1 Side view of the asphalt container in;

[0029] Figure 8 For the Figure 2 Schematic diagram of the cross section taken along the center line EE;

[0030] Figure 9 for Figure 8 An enlarged schematic diagram of part F in FIG.

[0031] Figure 10 for Figure 8 An enlarged schematic diagram of part G in FIG;

[0032] Figure 11 is an overall schematic diagram of a single heating component; and

[0033] Figure 12 for Figure 11 Schematic diagram of the layer structure of the heating component in.

[0034] Description of Reference Numerals

[0035] 100: Box 111: Bottom longitudinal beam

[0036] 112: Bottom plate 113: Bottom beam

[0037] 114: Connecting angle steel 115: Bottom angle piece

[0038] 121: Top longitudinal beam 122: Top plate

[0039] 123: Top beam 124: Recessed part

[0040] 125: protrusion 126: top corner piece

[0041] 127: Cover plate 128: First accommodation space

[0042] 129: Manhole 130: Pressure reducing valve

[0043] 131: Locking cover 140: Corner post

[0044] 150: End plate 151: Side plate

[0045] 152: First reinforcement rib 153: First sealing plate

[0046] 154: Second reinforcement rib 155: Second sealing plate

[0047] 156: Second accommodating space 160: Partition

[0048] 170: Heat generating component 171: Heat generating layer

[0049] 172: Insulation layer 173: Isolation layer

[0050] 174: First waterproof layer 175: Second waterproof layer

[0051] 176: Frequency converter 157: Discharge valve

[0052] 158: Third accommodating space D1: height direction

[0053] D2: Length direction D3: Width direction DETAILED DESCRIPTION

[0054] In the following description, numerous specific details are provided to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that embodiments of the present invention may be practiced without one or more of these details. In other instances, certain technical features known in the art are not described to avoid confusion with embodiments of the present invention.

[0055] In this document, ordinal numbers such as "first" and "second" cited in the present invention are merely identifiers and do not have any other meanings, such as a specific order, etc. Moreover, for example, the term "first component" itself does not imply the existence of a "second component", and the term "second component" itself does not imply the existence of a "first component".

[0056] In this document, “upper”, “lower”, “front”, “back”, “left”, “right”, etc. are only used to indicate the relative position relationship between related parts, rather than to limit the absolute positions of these related parts.

[0057] In this document, “equal”, “same”, etc. are not strictly limited in a mathematical and / or geometric sense, but also include errors that can be understood by those skilled in the art and are allowed in manufacturing or use.

[0058] Unless otherwise stated, numerical ranges herein include not only the entire range between its two endpoints but also the several sub-ranges contained therein.

[0059] Figures 1 to 12 An asphalt container according to the present invention is shown, comprising a container body 100 and a heating element 170. The container body 100 comprises a top panel 122, a bottom panel 112, side panels 151, and end panels 150. The heating element 170 is attached to the container body 100 and comprises a heating layer 171 and an insulation layer 172. The heating layer 171 contains a supramolecular variable frequency heating material.

[0060] At least one of the top plate 122 , the bottom plate 112 , the side plate 151 and the end plate 150 is provided with a heat generating component 170 .

[0061] According to the asphalt container of the present invention, the asphalt in the box body 100 is heated by the heating component 170 attached to the box body 100, so that the space in the box body 100 is not occupied, and the heating of the asphalt in the box body 100 is more uniform, thereby ensuring the quality of the asphalt. In addition, the asphalt in the box body 100 can be heated by simply connecting the heating component 170 to electricity, and there is no need for a matching connection device outside the box body 100. The supporting facilities are simple, the site requirements are low, and the flexibility is higher.

[0062] Reference Figures 1 to 3The box body 100 includes a bottom plate 112, a top plate 122, two side plates 151 and two end plates 150. In this embodiment, the bottom plate 112, the top plate 122, the side plates 151 and the end plates 150 are all provided with heating components 170, so as to heat the asphalt in the box body 100 in all directions, which not only ensures the heating power, but also ensures the heating uniformity of the asphalt, thereby ensuring the quality of the asphalt.

[0063] The connection between the bottom plate 112 and the heat generating component 170 will be described below.

[0064] Specifically, combined Figure 4 As shown, the box body 100 further includes two bottom longitudinal beams 111 and a plurality of bottom cross beams 113. The bottom longitudinal beams 111 extend along the length direction D2, and the bottom cross beams 113 extend along the width direction D3. The bottom cross beams 113 are disposed between the two bottom longitudinal beams 111 and fixed to the bottom longitudinal beams 111. The bottom plate 112 is disposed above the bottom cross beams 113, and the bottom surface of the bottom plate 112 is fixedly connected to the bottom cross beams 113.

[0065] The heating element 170 is disposed below the bottom plate 112 and is in close contact with the bottom surface of the bottom plate 112, thereby better transferring heat through the bottom plate 112 to the asphalt within the housing 100. The heating element 170 does not protrude beyond the bottom surface of the bottom crossbeam 113 along the height direction D1 of the housing 100. In other words, the bottom surface of the heating element 170 is not lower than the bottom surface of the bottom crossbeam 113, thereby protecting the heating element 170 from damage by the bottom crossbeam 113.

[0066] Furthermore, multiple bottom cross beams 113 are arranged at intervals along the length direction D2, and the various heating components 170 connected to the bottom plate 112 are correspondingly arranged between the bottom cross beams 113, thereby protecting the heating components 170 under the bottom plate 112 and preventing the arrangement of multiple bottom cross beams 113 from affecting the heating effect of the heating components 170 on the asphalt.

[0067] Reference Figure 4 The box body 100 further includes a connecting angle steel 114 , which is disposed on the side of the bottom cross beam 113 and connected to the heating component 170 , thereby supporting the heating component 170 so that the heating component 170 is attached to the bottom plate 112 .

[0068] Reference Figure 5 A plurality of connecting angle steels 114 are correspondingly provided for one heating component 170 . The plurality of connecting angle steels 114 are arranged along the width direction D3 and are respectively provided on two adjacent bottom beams 113 of the corresponding heating component 170 , so that the heating component 170 is stably supported and prevented from shaking and falling.

[0069] In addition, the connecting angle steel 114 , the bottom cross beam 113 and the heating component 170 can be connected by fasteners (such as bolts, screws, etc.), which facilitates the removal of the heating component 170 from the bottom surface of the bottom plate 112 .

[0070] Optionally, the box body 100 further includes four bottom corner pieces 115 , which are respectively arranged at both ends of the two bottom longitudinal beams 111 , and the bottom cross beam 113 located at the end of the box body 100 is arranged between the bottom corner pieces 115 .

[0071] The connection between the top plate 122 and the heat generating component 170 will be further described below.

[0072] Reference Figure 3 The box 100 further includes two top longitudinal beams 121, multiple top cross beams 123, and four top corner fittings 126. The two top longitudinal beams 121 extend along the length direction D2 and are spaced apart along the width direction D3. The four top corner fittings 126 are disposed at each end of the two top longitudinal beams 121, while the multiple top cross beams 123 extend along the width direction D3 and are spaced apart along the length direction D2. The top cross beam 123 is disposed between the two top longitudinal beams 121, and the two top cross beams 123 located at the ends of the box 100 are disposed between the top corner fittings 126.

[0073] The top plate 122 is disposed above the top cross beam 123 , and the top plate 122 is connected to the top cross beam 123 and the top longitudinal beam 121 .

[0074] Optionally, combined Figure 6 As shown, the top plate 122 includes a recessed portion 124 and a raised portion 125 , which are alternately arranged along the length direction D2 . In other words, the top plate 122 is a corrugated plate, so that the top plate 122 has good structural strength.

[0075] The heating component 170 is arranged in the recessed portion 124 and is arranged in contact with the top surface of the recessed portion 124. The heating component 170 does not protrude from the top surface of the raised portion 125 along the height direction D1 of the box body 100, so that the heating component 170 on the top plate 122 is protected by the raised portion 125 to prevent the heating component 170 from being damaged.

[0076] Optionally, the housing 100 further includes a cover plate 127 , which is connected to the top surface of the raised portion 125 and is configured with the raised portion 125 to form a first accommodating space 128 for accommodating the heating component 170 , thereby fixing the heating component 170 on the top plate 122 .

[0077] The cover plate 127 and the top surface of the raised portion 125 may be optionally connected by fasteners, thereby facilitating the removal of the heat generating component 170 on the top plate 122 .

[0078] Reference Figure 7The box body 100 further includes four corner columns 140 , which are respectively disposed between the top corner pieces 126 and the bottom corner pieces 115 at the four corners of the box body 100 .

[0079] Optionally, the top plate 122 is further provided with a manhole 129, which facilitates the staff to enter the box body 100 for maintenance and cleaning, and is also used to transport the asphalt raw material into the box body 100. The top plate 122 is provided with a locking cover 131, which is provided on the manhole 129 for closing and opening the manhole 129.

[0080] Optionally, the top plate 122 is further provided with a pressure reducing valve 130 for balancing the pressure inside and outside the box body 100 .

[0081] The connection between the side plate 151 and the heat generating component 170 will be further described below.

[0082] Reference Figure 8 The box body 100 includes two side panels 151, which are spaced apart along the width direction D3 and are respectively arranged between the bottom longitudinal beam 111 and the top longitudinal beam 121 on both sides of the box body 100. The side panels 151 are also connected between two corner columns 140 spaced apart along the length direction D2, thereby forming a closed structure of the box body 100.

[0083] Reference Figure 8 and Figure 9 The box body 100 includes a first reinforcing rib 152, which extends along the height direction D1 and is connected to the outer side wall of the side panel 151 to improve the structural strength of the side panel 151. The heating component 170 is arranged on the outer side of the side panel 151 and is arranged in contact with the outer side wall of the side panel 151, so that the asphalt in the box body 100 can be fully heated through the side panel 151. A plurality of first reinforcing ribs 152 are arranged at intervals along the length direction D2, and the heating component 170 is arranged between adjacent first reinforcing ribs 152, or between the first reinforcing ribs 152 and the corner column 140. The heating component 170 does not protrude from the first reinforcing rib 152 away from the side wall of the side panel 151 along the width direction D3 of the box body 100, so the heating component 170 can be protected, which helps to prevent the heating component 170 from being damaged.

[0084] Furthermore, the box body 100 also includes a first sealing plate 153, which is connected to the side wall of the first reinforcing rib 152 away from the side panel 151 and is constructed together with the first reinforcing rib 152 and the side panel 151 to form a second accommodating space 156 for accommodating the heating component 170, thereby further protecting the heating component 170 on the side panel 151 and ensuring a stably connected heating component 170 to the side panel 151 of the box body 100.

[0085] Optionally, the first sealing plate 153 and the first reinforcing rib 152 may be connected by fasteners, thereby facilitating the removal of the heat generating component 170 on the side plate 151 .

[0086] Finally, the connection between the end plate 150 and the heat generating component 170 will be described.

[0087] Reference Figure 8 The box body 100 includes two end plates 150, which are spaced apart along the length direction D2 and are respectively arranged between the bottom cross beam 113 and the top cross beam 123 at both ends of the box body 100. The end plates 150 are also connected between two corner columns 140 spaced apart along the width direction D3, thereby forming a closed structure of the box body 100 with the side plates 151.

[0088] Reference Figure 8 and Figure 10 The box body 100 includes a second reinforcing rib 154, which extends along the height direction D1 and is connected to the outer side wall of the end plate 150 to improve the structural strength of the end plate 150. The heating component 170 is arranged on the outer side of the end plate 150 and is arranged in contact with the outer side wall of the end plate 150, so that the asphalt in the box body 100 can be fully heated by the end plate 150. A plurality of second reinforcing ribs 154 are arranged at intervals along the width direction D3, and the heating component 170 is arranged between adjacent second reinforcing ribs 154, or between the second reinforcing ribs 154 and the corner column 140. The heating component 170 does not protrude from the second reinforcing rib 154 along the length direction D2 of the box body 100 away from the side wall of the side end plate 150, so the heating component 170 can be protected and prevented from being damaged.

[0089] Furthermore, the box body 100 also includes a second closing plate 155, which is connected to the side wall of the second reinforcing rib 154 away from the end plate 150 and is constructed together with the second reinforcing rib 154 and the end plate 150 to form a third accommodating space 158 for accommodating the heating component 170, thereby further protecting the heating component 170 on the end plate 150 and ensuring that the heating component 170 is stably connected to the end plate 150 of the box body 100.

[0090] Optionally, the second sealing plate 155 and the second reinforcing rib 154 may be connected by fasteners, thereby facilitating the removal of the heat generating component 170 on the end plate 150 .

[0091] Reference Figure 1 The box body 100 further includes a discharge valve 157, which is disposed on the end plate 150 at one end of the box body 100 and is used to output the heated asphalt in the box body 100 to complete the unloading of the asphalt.

[0092] In summary, the heating component 170 is respectively arranged on the bottom plate 112, the top plate 122, the side plate 151 and the end plate 150, and the heating component 170 and the bottom plate 112, the top plate 122, the side plate 151 and the end plate 150 form a good integrated setting, so that the heating component 170 will not protrude out of the box body 100, thereby preventing the heating component 170 from affecting the structural settings inside and outside the box body 100, and thus will not affect the use of the container.

[0093] In addition, the container also includes a partition 160, which is arranged in the box body 100 and is located in the middle of the box body 100 along the length direction D2. It is used to buffer the impact of the asphalt in the box body 100 on the end plates 150 at both ends of the box body 100, thereby improving the stability of the container.

[0094] Now let's talk more specifically about the structure of the heat generating component 170 .

[0095] Reference Figure 11 The heating component 170 is plate-shaped and is provided with a frequency converter 176 , so that the heating component 170 can achieve variable frequency heating.

[0096] Further, refer to Figure 12 The thermal insulation layer 172 is located on the side of the heating layer 171 away from the inner wall of the box body 100 , thereby reducing the heat loss of the heating layer 171 and improving the heating efficiency of the heating layer 171 on the box body 100 .

[0097] Optionally, the heating component 170 further includes a barrier layer 173, which is disposed between the heating layer 171 and the insulation layer 172 to protect the heating layer 171. Furthermore, the insulation layer 172 can be made of rock wool to effectively prevent temperature loss, while the barrier layer 173 can be made of polypropylene, which has good corrosion resistance and toughness.

[0098] Optionally, the heating component 170 also includes a first waterproof layer 174 and a second waterproof layer 175. The first waterproof layer 174 and the second waterproof layer 175 are spaced apart along the thickness direction of the heating component 170. The heating layer 171 and the thermal insulation layer 172 are arranged between the first waterproof layer 174 and the second waterproof layer 175, thereby preventing external moisture from contacting the heating layer 171, thereby improving the waterproof performance of the heating component 170.

[0099] Optionally, the size of the heating component 170 can be customized according to the arrangement position, so that the heating component 170 and the box body 100 are more compatible, which can improve the integrity and overall integrity of the asphalt container.

[0100] Unless otherwise defined, the technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art in the technical field of the present invention. The terms used herein are only for describing specific implementation purposes and are not intended to limit the present invention. Terms such as "setting" appearing in this article can mean that one component is directly attached to another component, or that one component is attached to another component through an intermediate component. Features described in this article in one embodiment may be applied to another embodiment alone or in combination with other features, unless the feature is not applicable in the other embodiment or otherwise stated.

[0101] The present invention has been described through the above embodiments, but it should be understood that the above embodiments are for illustrative and illustrative purposes only and are not intended to limit the present invention to the described embodiments. Those skilled in the art will appreciate that many more variations and modifications may be made based on the teachings of the present invention, and all of these variations and modifications fall within the scope of protection claimed by the present invention.

Claims

1. An asphalt container, characterized in that: The asphalt container comprises: a box body, the box body comprising a top plate, a bottom plate, side plates and end plates; and A heating component, the heating component being attached to the box body, the heating component comprising a heating layer and a heat-insulating layer, the heating layer containing a supramolecular variable frequency heating material; Wherein, at least one of the top plate, the bottom plate, the side plate and the end plate is provided with the heat generating component.

2. The asphalt container according to claim 1, characterized in that: The box body includes a bottom cross beam connected to the bottom surface of the bottom plate; the heating component is arranged below the bottom plate and is arranged in contact with the bottom surface of the bottom plate; the heating component does not protrude from the bottom surface of the bottom cross beam along the height direction of the box body.

3. The asphalt container according to claim 2, characterized in that: The box body further includes a connecting angle steel, which is arranged on a side of the bottom cross beam and connected to the heating component.

4. The asphalt container according to claim 1, characterized in that: The top plate includes a recessed portion and a raised portion; the heating component is arranged in the recessed portion and is in contact with the top surface of the recessed portion; the heating component does not protrude from the top surface of the raised portion along the height direction of the box body.

5. The asphalt container according to claim 4, characterized in that: The box body further includes a cover plate connected to a top surface of the raised portion and configured to form a first accommodation space with the raised portion for accommodating the heat generating component.

6. The asphalt container according to claim 1, characterized in that: The box body includes a first reinforcing rib, which is connected to the outer side wall of the side panel; the heating component is arranged on the outer side of the side panel and is arranged in contact with the outer side wall of the side panel; the heating component does not protrude beyond the first reinforcing rib and away from the side wall of the side panel along the width direction of the box body.

7. The asphalt container according to claim 6, characterized in that: The box body further includes a first sealing plate connected to a side wall of the first reinforcing rib away from the side plate and forming a second accommodating space for accommodating the heat-generating component together with the first reinforcing rib and the side plate.

8. The asphalt container according to claim 1, characterized in that: The box body includes a second reinforcing rib, which is connected to the outer wall of the end plate; the heating component is arranged on the outer side of the end plate and is arranged in contact with the outer wall of the end plate; the heating component does not protrude beyond the second reinforcing rib away from the side wall of the end plate along the length direction of the box body.

9. The asphalt container according to claim 8, characterized in that: The box body further includes a second closing plate connected to a side wall of the second reinforcing rib away from the end plate and forming a third accommodating space for accommodating the heat-generating component together with the second reinforcing rib and the end plate.

10. The asphalt container according to any one of claims 1 to 9, characterized in that: The heat-generating component further includes a barrier layer, wherein the barrier layer is provided between the heat-generating layer and the heat-insulating layer; and / or The heat-generating component further includes a first waterproof layer and a second waterproof layer, wherein the first waterproof layer and the second waterproof layer are spaced apart from each other, and the heat-generating layer and the heat-insulating layer are disposed between the first waterproof layer and the second waterproof layer.

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