Cold material heating roller for asphalt production

Abstract

The utility model provides a cold charge heating roller for asphalt production, which is used for preserving heat when a roller body is heated so as to reduce outward loss of the heat. Comprising a base, two brackets arranged on the base, a cylinder body rotationally arranged on the two brackets, and a plurality of heating pipes arranged on the outer side of the cylinder body and used for heating the cylinder body, the at least three mounting plates are vertically arranged on the outer side of the cylinder body and are annularly arranged at equal intervals around the cylinder body; the mounting areas are formed among the mounting plates; the at least three heat insulation plates are movably arranged on the mounting plates and are positioned in the mounting areas; and the mounting devices are respectively arranged between the heat insulation plates and the mounting plate.

Description

Technical Field

[0001] The utility model relates to the technical field of heating, in particular to a cold material heating roller for asphalt production. Background Art

[0002] Asphalt is a dark brown complex mixture of hydrocarbons of different molecular weights and their non-metallic derivatives. It is a kind of high-viscosity organic liquid, mostly in the form of liquid or semi-solid petroleum. The surface is black and soluble in carbon disulfide and carbon tetrachloride. Asphalt is an organic gelling material that is waterproof, moisture-proof and anti-corrosive. Asphalt can be mainly divided into three types: coal tar asphalt, petroleum asphalt and natural asphalt: among them, coal tar asphalt is a by-product of coking. Petroleum asphalt is the residue after crude oil distillation. Natural asphalt is stored underground, some of which form mineral layers or accumulate on the surface of the earth's crust. Asphalt is mainly used in industries such as coatings, plastics, rubber, and paving roads.

[0003] In the production process of asphalt, a heating drum is usually required. Asphalt drying refers to the process of heating and evaporating the asphalt in the mixture. The heat source can be fuel oil, natural gas, coal, etc., and fuel oil and natural gas are usually used. The heat generated by the heat source is heated to a certain temperature through a burner, and then the heat is transferred to the asphalt through heat transfer to evaporate the water in the asphalt.

[0004] like Figure 1 As shown, the heating roller in the prior art includes a base 1', two brackets 2' arranged on the base 1', a cylinder 3' rotatably arranged between the two brackets 2' and located above the base 1', and a plurality of heating tubes 4' arranged on the outside of the cylinder 3' for heating the cylinder 2'. When asphalt is placed in the cylinder, it is heated by the plurality of heating tubes and the side wall of the cylinder, so that the heat is transferred to the asphalt through the inner wall of the cylinder, and the rotation of the cylinder drives the asphalt to roll in the cylinder, so that the water in the heated asphalt evaporates.

[0005] Although heat can be transferred into the cylinder more effectively by arranging a heating tube on the side wall of the cylinder, the heating tube cannot insulate the heat when heating the cylinder, thereby failing to reduce heat loss to the outside, resulting in heat dissipation to the outside and failure to maintain the heat of the cylinder heated by the heating tube. Utility Model Content

[0006] The utility model aims to provide a cold material heating roller for asphalt production, which can keep the heat when heating the cylinder body, thereby reducing the heat loss to the outside, in view of the defects and shortcomings of the prior art.

[0007] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a cold material heating roller for asphalt production, comprising a base, two brackets arranged on the base, a cylinder rotatably arranged on the two brackets, and a plurality of heating tubes arranged on the outside of the cylinder for heating the cylinder. It also includes at least three mounting plates vertically arranged on the outside of the cylinder and equidistantly arranged in a ring around the cylinder, a mounting area formed between the mounting plates, at least three heat insulation plates movably arranged on the mounting plates and located in the mounting areas, which are used to move to a predetermined position in the mounting area toward the end of the cylinder when driven by an external force and to keep heat warm when the heating tubes heat the cylinder to reduce heat loss to the outside, and mounting devices respectively arranged between each of the heat insulation plates and the mounting plates, which are used to fix the heat insulation plates in the mounting area when the heat insulation plates are driven by an external force to move to a predetermined position in the mounting area toward the end of the cylinder.

[0008] A further improvement is that the installation device includes a limiting partition arranged on each of the installation plates for limiting the thermal insulation board and separating the thermal insulation board from the heating pipe to prevent the heating pipe from contacting the thermal insulation board when the thermal insulation board is driven by external force to move to a predetermined position toward the end of the cylinder in the installation area to prevent the heating pipe from contacting the thermal insulation board, and a fixing part arranged between the thermal insulation board and the installation plate for fixing the thermal insulation board in the installation area after the limiting partition limits the thermal insulation board.

[0009] The further improvement is that the fixing member includes two connecting grooves which are opened on both sides of each mounting plate and are connected with the mounting area, a rotating rod with one end rotatably arranged on the mounting plate and located in the connecting groove, and is used to rotate around one end to a predetermined position after being driven by external force and the limiting partition limits the thermal insulation board, a pushing plate which is arranged at the other end of the rotating rod and is used to press the thermal insulation board against the limiting partition after the rotating rod rotates around one end to the predetermined position, a threaded hole opened on each mounting plate and located on the upper end surface of the connecting groove, a connecting opening which passes through the rotating rod and is used to correspond to the position of the threaded hole after the rotating rod rotates around one end to the predetermined position, and a fixing bolt which is threadedly connected to the threaded hole and located in the connecting opening and is used to limit the rotation of the rotating rod after installation so that the pushing plate keeps the thermal insulation board against the limiting partition.

[0010] A further improvement is that the fixing member includes a pushing plate movably arranged at both ends of each mounting plate and located in each mounting area, and is used to move on the mounting plate toward the end of the cylinder to push the thermal insulation plate against the limiting partition when driven by external force; threaded connecting holes opened at both ends of the mounting plate and connected to the mounting area; connecting holes passing through the pushing plate and corresponding to the position of the connecting holes after the pushing plate pushes the thermal insulation plate against the limiting partition; and connecting bolts slidably arranged on the pushing plate, located in the connecting holes and threadedly connected to the threaded connecting holes, and used to drive the pushing plate to press against the mounting plate after installation.

[0011] A further improvement is that a friction-increasing layer is provided on the end surface of the pushing plate close to the heat-insulating plate for increasing the friction between the pushing plate and the heat-insulating plate when the pushing plate squeezes the heat-insulating plate.

[0012] A further improvement is that the friction increasing layer is a rubber layer.

[0013] Further improvements are: the heat insulation board includes a heat insulation board body movably arranged on the installation board in each of the installation areas for moving to a predetermined position in the installation area toward the end of the cylinder when driven by external force, a vacuum insulation layer arranged on the heat insulation board body for insulating heat when the heating tube heats the cylinder to reduce heat loss to the outside, and a heat preservation layer arranged on the end surface of the heat insulation board body close to the cylinder for keeping heat warm when the heating tube heats the cylinder.

[0014] After adopting the above technical scheme, the beneficial effect of the utility model is as follows: before a number of heating tubes heat the cylinder, each thermal insulation board is driven by external force to move to a predetermined position in the installation area toward the end of the cylinder, and each thermal insulation board is installed in each installation area through an installation device. When the heating tubes heat the cylinder, each thermal insulation board insulates the heat to reduce the heat loss to the outside, thereby maintaining the heat of the cylinder heated by the heating tubes. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a structural schematic diagram of a heating roller in the prior art;

[0017] Figure 2It is a side view cutaway diagram of the base, bracket and cylinder in the utility model;

[0018] Figure 3 It is a schematic diagram of the installation of the base, bracket, cylinder, and thermal insulation board in the utility model;

[0019] Figure 4 It is a structural schematic diagram of the fixing member in the utility model;

[0020] Figure 5 It corresponds to Figure 4 Another state diagram of ;

[0021] Figure 6 It is another structural schematic diagram of the fixing member in the utility model;

[0022] Figure 7 It is a cutaway view of the heat insulation board in the utility model.

[0023] Explanation of the accompanying drawings: base 1, bracket 2, cylinder 3, heating tube 4, mounting plate 5, mounting area 6, thermal insulation board 7, limiting partition 8, connecting slot 9, rotating rod 10, pushing plate 11, threaded hole 12, connecting opening 13, fixing bolt 14, threaded hole 15, connecting hole 16, connecting bolt 17, friction increasing layer 18, thermal insulation board body 71, vacuum insulation layer 72, thermal insulation layer 73. DETAILED DESCRIPTION

[0024] The utility model is now further described in conjunction with the accompanying drawings and specific embodiments.

[0025] See also Figures 2 to 7As shown, the technical solution adopted in this specific embodiment is: a cold material heating roller for asphalt production, comprising a base 1, two brackets 2 arranged on the base 1, a cylinder 3 rotatably arranged on the two brackets 2, and a plurality of heating tubes 4 arranged on the outside of the cylinder 3 for heating the cylinder 3, and also comprising at least three mounting plates 5 vertically arranged on the outside of the cylinder 3 and equidistantly arranged in a ring around the cylinder 3, a mounting area 6 formed between each of the mounting plates 5, at least three heat insulation plates 7 movably arranged on the mounting plates 5 and located in each of the mounting areas 6 for moving to a predetermined position in the mounting area 6 toward the end of the cylinder 3 when driven by an external force and for keeping the heat warm when the heating tubes 4 heat the cylinder 3 to reduce the heat loss to the outside, and mounting devices respectively arranged between each of the heat insulation plates 7 and the mounting plates 5 for fixing the heat insulation plates 7 in the mounting area 6 when the heat insulation plates 7 are driven by an external force to move to a predetermined position in the mounting area 6 toward the end of the cylinder 3. There are four mounting plates in total, and four mounting areas are formed between the four mounting plates. When there are three mounting plates, the mounting plates are also arranged annularly and equidistantly on the outside of the cylinder to form three mounting areas, and the number of thermal insulation plates is the same as the number of mounting areas. The mounting area is fan-shaped, and the thermal insulation plates are also fan-shaped.

[0026] The installation device includes a limiting partition plate 8 arranged on each of the installation plates 5, which is used to limit the insulation board 7 and separate the insulation board 7 from the heating tube 4 to prevent the heating tube 4 from contacting the insulation board 7 when the insulation board 7 is driven by external force to move to a predetermined position in the installation area 6 toward the end of the cylinder 3 to prevent the insulation board 7 from contacting the heating tube 4, and a fixing part arranged between the insulation board 7 and the installation plate 5, which is used to fix the insulation board 7 in the installation area 6 after the limiting partition plate 8 limits the insulation board 7.

[0027] like Figure 4 , Figure 5As shown, the fixing member includes two connecting grooves 9 which are opened on both sides of each mounting plate 5 and communicated with the mounting area 6, a rotating rod 10 which is rotatably arranged on the mounting plate 5 and located in the connecting groove 9 at one end and is used to rotate around one end to a predetermined position after being driven by an external force and the limiting partition 8 limits the heat insulation board 7, a pushing plate 11 which is arranged at the other end of the rotating rod 10 and is used to press the heat insulation board 7 against the limiting partition 8 after the rotating rod 10 rotates around one end to a predetermined position, a threaded hole 12 which is opened on each mounting plate 5 and is located on the upper end surface of the connecting groove 9, a connecting hole 13 which is opened through the rotating rod 10 and is used to correspond to the position of the threaded hole 12 after the rotating rod 10 rotates around one end to a predetermined position, and a fixing bolt 14 which is threadedly connected to the threaded hole 12 and located in the connecting hole 13 and is used to limit the rotation of the rotating rod 10 after installation so that the pushing plate 11 keeps the heat insulation board 7 against the limiting partition 8. The head diameter of the fixing bolt 14 is larger than the diameter of the connecting opening 13 .

[0028] like Figure 6 As shown, the fixing member may also include a push plate 11 movably arranged at both ends of each mounting plate 5 and located in each mounting area 6, and used to move toward the end of the cylinder 3 on the mounting plate 5 when driven by an external force to push the heat insulation board 7 against the limiting partition 8, a threaded connection hole 15 opened at both ends of the mounting plate 5 and connected to the mounting area 6, a connection hole 16 opened through the push plate 11 and used to correspond to the position of the connection hole 16 after the push plate 11 pushes the heat insulation board 7 against the limiting partition 8, and a connection bolt 17 slidably arranged on the push plate 11, located in the connection hole 16 and threadedly connected to the threaded connection hole 15, and used to drive the push plate 11 to press against the mounting plate 5 after installation. The head diameter of the connection bolt 17 is larger than the diameter of the connection hole 16. After the limiting partition 8 limits the thermal insulation board 7, the pushing plate 11 is fitted onto the side wall of the mounting plate 5, and the lower end is pressed against the thermal insulation board 7, so that the thermal insulation board 7 is squeezed onto the limiting partition 8. At this time, the position of the connecting hole 16 corresponds to the position of the threaded hole 15. The connecting bolt 17 is passed through the connecting hole 16 and is threadedly connected to the threaded hole 15, so that the side wall of the pushing plate 11 is fixed to the side wall of the mounting plate 5, so that the pushing plate 11 fixes the thermal insulation board 7 in the mounting area 6.

[0029] The end surface of the pushing plate 11 close to the heat insulation board 7 is provided with a friction increasing layer 18 for increasing the friction force between the pushing plate 11 and the heat insulation board 7 when the pushing plate 11 squeezes the heat insulation board 7 .

[0030] The friction-increasing layer 18 is a rubber layer.

[0031] The heat insulation board 7 includes a heat insulation board body 71 movably arranged on the installation board 5 in each installation area 6, which can be moved to a predetermined position in the installation area 6 toward the end of the cylinder 3 when driven by an external force, a vacuum insulation layer 72 arranged on the heat insulation board body 71, which is used to insulate heat when the heating pipe 4 heats the cylinder 3 to reduce heat loss to the outside, and a heat insulation layer 73 arranged on the end surface of the heat insulation board body 71 close to the cylinder 3, which is used to keep heat when the heating pipe 4 heats the cylinder 3. The heat insulation board body 71 is a polyurethane foam board or a rock wool board. The heat insulation layer 73 is a rock wool board layer, an expanded polystyrene board layer, or a glass fiber layer.

[0032] The working principle of the utility model is as follows: before the plurality of heating tubes 4 heat the cylinder body 3, the four heat insulation plates 7 are respectively installed in the four installation areas 6, and the heat insulation plates 7 are pushed to move to the end of the cylinder body 3 in the installation area 6 to the limiting partition plate 8, and the heat insulation plates 7 are limited by the limiting partition plate 8 and the heat insulation plates 7 are separated from the heating tubes 4 to prevent the heating tubes 4 from contacting the heat insulation plates 7. Then, the pushing plates 11 located at the left and right ends of the heat insulation plates 7 on the installation plate 5 are driven by hands respectively, and the pushing plates 11 are flipped toward the end of the heat insulation plates 7 around one end of the rotating rod 10. After the pushing plates 11 contact the heat insulation plates 7, the position of the connecting opening 13 corresponds to the position of the threaded hole 12. At this time, the fixing bolt 14 is passed through the connecting opening 13 and threadedly connected to the threaded hole 12 by a tool. After the fixing bolt 14 is installed, the head of the fixing bolt 14 keeps the heat insulation plate 7 against the limiting partition plate 8, thereby limiting the rotation of the rod 10 is rotated to fix the heat insulation board 7 in the installation area 6. After the heat insulation boards 7 in the four installation areas 6 are installed, the asphalt can be put into the cylinder 3, and the cylinder 3 is heated by a plurality of heating pipes 4. When the heating pipes 4 heat the cylinder 3, the heat is insulated by the vacuum insulation layer 72 to reduce the heat loss to the outside, and the heat is insulated by the insulation layer 73, so as to maintain the heat of the cylinder 3 heated by the heating pipes 4; when the insulation board 7 in the four installation areas 6 is installed, the asphalt can be put into the cylinder 3, and the cylinder 3 can be heated by the heating pipes 4. When the thermal insulation board 7 is removed from the mounting area 6, the fixing bolts 14 are removed from the rotating rod 10 and the mounting plate 5 by means of a tool, the push plate 11 is released from the abutment of the thermal insulation board 7, and the push plate 11 is flipped outward so that the push plate 11 moves away from the end of the thermal insulation board, and the thermal insulation board can be taken out; when the push plate 11 squeezes the thermal insulation board 7, the friction between the push plate 11 and the thermal insulation board 7 is increased by the friction increasing layer 18, thereby improving the fixing effect of the thermal insulation board 7.

[0033] The utility model is intended to protect the structure of the product. The model of each component is not the content of the utility model, and it is also a known technology. Any component on the market that can achieve the above-mentioned function of the utility model can be selected and applied as a cold material heating roller for asphalt production. Therefore, the model and other parameters of the component are not described in detail in this utility model. The contribution of this utility model lies in the scientific combination of various components.

[0034] The above shows and describes the basic principle and main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents. Anything not described in detail in the utility model is a well-known technology of those skilled in the art.

Claims

1. A cold material heating drum for asphalt production, comprising a base, two brackets arranged on the base, a cylinder rotatably arranged on the two brackets, and a plurality of heating pipes arranged on the outside of the cylinder for heating the cylinder, characterized in that: It also includes at least three mounting plates vertically arranged on the outside of the cylinder and equidistantly arranged in a ring around the cylinder, a mounting area formed between the mounting plates, at least three thermal insulation boards movably arranged on the mounting plates and located in the mounting areas, which are used to move to a predetermined position in the mounting area toward the end of the cylinder when driven by an external force and to keep the heat warm to reduce the heat loss to the outside when the heating pipe heats the cylinder, and mounting devices respectively arranged between the thermal insulation boards and the mounting plates, which are used to fix the thermal insulation boards in the mounting area when the thermal insulation boards are driven by an external force to move to a predetermined position in the mounting area toward the end of the cylinder.

2. The cold material heating roller for asphalt production according to claim 1, characterized in that: The installation device includes a limiting partition arranged on each of the installation plates, which is used to limit the insulation board and separate the insulation board from the heating pipe to prevent the heating pipe from contacting the insulation board when the insulation board is driven by external force to move to a predetermined position toward the end of the cylinder in the installation area to prevent the heating pipe from contacting the insulation board, and a fixing member arranged between the insulation board and the installation plate, which is used to fix the insulation board in the installation area after the limiting partition limits the insulation board.

3. The cold material heating roller for asphalt production according to claim 2, characterized in that: The fixing member includes two connecting grooves which are provided on both sides of each of the mounting plates and are connected to the mounting area, a rotating rod which has one end rotatably provided on the mounting plate and is located in the connecting groove and is used to rotate around one end to a predetermined position after being driven by an external force and the limiting partition limits the thermal insulation board, a pushing plate which is provided at the other end of the rotating rod and is used to press the thermal insulation board against the limiting partition after the rotating rod rotates around one end to a predetermined position, a threaded hole which is provided on each of the mounting plates and is located on the upper end surface of the connecting groove, a connecting hole which passes through the rotating rod and is used to correspond to the position of the threaded hole after the rotating rod rotates around one end to a predetermined position, and a fixing bolt which is threadedly connected to the threaded hole and is located in the connecting hole and is used to limit the rotation of the rotating rod after installation so that the pushing plate keeps the thermal insulation board against the limiting partition.

4. The cold material heating roller for asphalt production according to claim 2, characterized in that: The fixing member includes a pushing plate movably arranged at both ends of each mounting plate and located in each mounting area, and is used for moving on the mounting plate toward the end of the cylinder body when driven by external force to push the thermal insulation plate to press against the limiting partition, threaded connecting holes opened at both ends of the mounting plate and connected to the mounting area, connecting holes penetrating the pushing plate and corresponding to the position of the connecting holes after the pushing plate pushes the thermal insulation plate to press against the limiting partition, and connecting bolts slidably arranged on the pushing plate, located in the connecting holes and threadedly connected to the threaded connecting holes, and used for driving the pushing plate to press against the mounting plate after installation.

5. A cold material heating drum for asphalt production according to claim 3 or 4, characterized in that: The end surface of the pushing plate close to the heat insulation board is provided with a friction increasing layer for increasing the friction between the pushing plate and the heat insulation board when the pushing plate presses the heat insulation board.

6. The cold material heating roller for asphalt production according to claim 5, characterized in that: The friction-increasing layer is a rubber layer.

7. The cold material heating roller for asphalt production according to claim 1, characterized in that: The thermal insulation board includes a thermal insulation board body movably arranged on the mounting plate in each mounting area and used to move to a predetermined position in the mounting area toward the end of the cylinder when driven by an external force; a vacuum insulation layer arranged on the thermal insulation board body and used to insulate heat when the heating pipe heats the cylinder to reduce heat loss to the outside; and a thermal insulation layer arranged on the end surface of the thermal insulation board body close to the cylinder and used to keep heat warm when the heating pipe heats the cylinder.

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