Heating equipment for fireproof coating processing

Abstract

The utility model discloses heating equipment for fireproof coating processing, which belongs to the technical field of coating processing and comprises an inner tank, an outer tank, a pressing plate, an end cover and a stirring device, the inner tank is arranged in the outer tank, a separation cavity is arranged between the inner tank and the outer tank, and the pressing plate covers an upper end opening of the inner tank. The end cover is located above the pressing plate and detachably installed on an opening in the upper end of the outer tank, the edge of the end cover presses the pressing plate, a groove is formed in the lower surface of the end cover, a first heating piece is fixedly arranged on the upper surface of the pressing plate corresponding to the groove, and second heating pieces are fixedly arranged on the outer side wall and the outer bottom wall of the inner tank. The stirring device comprises a stirring paddle arranged in the inner tank and a motor for driving the stirring paddle to rotate. According to the heating equipment for fireproof coating processing, after the end cover is installed, the pressing plate is pressed and fixed to the opening end of the inner tank, meanwhile, the first heating piece is located in the groove, the second heating piece is located in the partition cavity, and compared with the prior art, the heating equipment is simpler and more efficient to assemble and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of coating processing, in particular to a heating device used for processing fire-retardant coating. Background Art

[0002] Chemical coatings are applied to the surface of objects to be protected or decorated, and can form a continuous film that is firmly attached to the coated object. They are usually resin-based, with corresponding additives added, and are made into a viscous liquid with organic solvents or water. Epoxy resin is a commonly used type of fire retardant coating resin. It has good fire resistance and can effectively prevent the spread of flames. It also has excellent adhesion and corrosion resistance, and is suitable for surface coating of various metal and non-metal materials.

[0003] In the process of fire retardant coating processing, the resin needs to fully react with the additive in the heating equipment at a certain temperature. For example, the Chinese patent document with the publication number CN220969078U discloses a heating device for chemical coating processing, including a reactor tank, the outer wall of the reactor tank is provided with a heating chamber, and the interior of the heating chamber is evenly installed with electric heating tubes. When in use, the heat generated by the heating tube after power is turned on can be transferred to the chemical coating inside the reactor tank and heat the coating. However, in actual use, the bottom and the surrounding side of the reactor tank can be effectively heated, while the top of the reactor tank has a poor heating effect, and it is difficult to ensure the heating uniformity of the coating in the reactor tank. Based on this, the inventor needs to improve the heating equipment to improve the heating uniformity of the coating. Utility Model Content

[0004] The technical problem to be solved by the utility model is that in the prior art, the heating uniformity of the coating heating equipment is poor. Based on this, the utility model provides a fire-retardant coating heating equipment which can improve the heating uniformity.

[0005] The utility model solves the technical problem by adopting the following technical solution: a heating device for processing fire-retardant coatings, comprising an inner tank, an outer tank, a pressure plate, an end cover and a stirring device, wherein the inner tank is arranged in the outer tank, and a partition is provided between the inner tank and the outer tank, the pressure plate cover is arranged at the upper end opening of the inner tank, the end cover is located above the pressure plate and is detachably mounted on the upper end opening of the outer tank, the edge of the end cover presses the pressure plate, a groove is provided on the lower surface of the end cover, a first heating element is fixedly provided on the upper surface of the pressure plate corresponding to the groove, a second heating element is fixedly provided on the outer side wall and the outer bottom wall of the inner tank, and the stirring device comprises a stirring paddle arranged in the inner tank and a motor for driving the stirring paddle to rotate.

[0006] Furthermore, the inner tank and the outer tank are both cylindrical structures with an open upper end, and the inner tank and the outer tank are coaxially arranged.

[0007] Furthermore, an inner positioning ring is protruded on the lower surface of the inner tank along the axial direction of the inner tank, and an outer positioning ring is protruded on the inner bottom wall of the outer tank along the axial direction of the outer tank. The inner positioning ring is cooperated in the outer positioning ring, and the top of the outer positioning ring is abutted against the lower surface of the inner tank.

[0008] Furthermore, a rotation-stopping protrusion is convexly provided on the outer wall of the inner positioning ring, and a rotation-stopping groove cooperating with the rotation-stopping protrusion is provided on the inner wall of the outer positioning ring.

[0009] Furthermore, the upper surface of the outer tank is located above the upper surface of the inner tank, the pressure plate is in a disc-shaped structure, and the outer diameter of the pressure plate matches the inner diameter of the outer tank.

[0010] Furthermore, a sealing ring is fixedly mounted on the upper surface of the inner tank, and the pressure plate is tightly pressed against the sealing ring.

[0011] Furthermore, a fixing edge is protruded radially along the top of the outer wall of the outer tank, the end cover is a disc-shaped structure and is coaxially arranged with the outer tank, the outer diameter of the end cover is larger than the outer diameter of the outer tank, and the fixing edge is fixedly connected to the end cover by bolts.

[0012] Furthermore, a feed pipe penetrating the end cover is fixedly connected on the upper surface of the inner tank along the axial direction of the inner tank, and a discharge pipe penetrating the outer tank is fixedly connected on the lower surface of the inner tank along the axial direction of the inner tank.

[0013] Furthermore, the body of the motor is fixedly mounted on the upper surface of the end cover, and the output shaft of the motor passes through the end cover and the pressure plate in sequence and is fixedly connected to the stirring paddle. The stirring paddle includes a stirring shaft and blades. The stirring shaft is detachably fixedly connected to the output shaft of the motor, and the blades have multiple blades that are evenly fixedly connected to the stirring shaft.

[0014] Furthermore, the first heating element and the second heating element are heating wires, heating sheets or heating rods.

[0015] The beneficial effect of the utility model is that when assembling the heating equipment for fire retardant coating processing of the utility model, the first heating element and the second heating element can be respectively fixed on the outer wall of the pressure plate and the inner tank, and then the inner tank is placed in the outer tank, and the end cover is fixedly installed at the open end of the outer tank. When the end cover is installed, the pressure plate is pressed and fixed to the open end of the inner tank. At the same time, the first heating element is in the groove and the second heating element is in the compartment. Compared with the prior art, the heating is more sufficient and uniform, and the assembly is simpler and more efficient. It can be implemented strongly and is easy to promote and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0017] Figure 1 It is a three-dimensional diagram of the heating device used for processing fire retardant coatings of the utility model;

[0018] Figure 2 yes Figure 1 A cross-sectional view of a heating device for processing fire retardant coatings is shown.

[0019] In the figure: 1, inner tank, 11, inner positioning ring, 12, discharge pipe, 13, feed pipe, 2, outer tank, 21, outer positioning ring, 22, fixing edge, 23, bolt, 24, support foot, 3, pressure plate, 31, sealing ring, 32, sealing ring, 4, end cover, 41, groove, 5, stirring device, 51, stirring paddle, 511, stirring shaft, 512, paddle, 52, motor, 10, compartment, 6, first heating element, 7, second heating element. DETAILED DESCRIPTION

[0020] Now the utility model is described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, which only illustrates the basic structure of the utility model in a schematic manner, so it only shows the components related to the utility model.

[0021] See also Figure 1 , Figure 2 The utility model provides a heating device for processing fire retardant coatings, including an inner tank 1, an outer tank 2, a pressing plate 3, an end cover 4 and a stirring device 5. The inner tank 1 and the outer tank 2 are both open at the upper ends, the inner tank 1 is arranged in the outer tank 2, and a compartment 10 is provided between the inner tank 1 and the outer tank 2. The pressing plate 3 covers the upper end opening of the inner tank 1, the end cover 4 is located above the pressing plate 3 and is detachably mounted on the upper end opening of the outer tank 2, the edge of the end cover 4 presses the pressing plate 3, a groove 41 is provided on the lower surface of the end cover 4, a first heating element 6 is fixedly provided on the upper surface of the pressing plate 3 corresponding to the groove 41, a second heating element 7 is fixedly provided on the outer side wall and the outer bottom wall of the inner tank 1, and the stirring device 5 includes a stirring paddle 51 arranged in the inner tank 1 and a motor 52 for driving the stirring paddle 51 to rotate.

[0022] The heating device for fire retardant coating processing of the utility model, when assembled, first install the inner tank 1 in the outer tank 2, then place the pressing plate 3 on the upper end opening of the inner tank 1, and finally cover the end cover 4 on the upper end of the outer tank 2 and fix it with the outer tank 2. At this time, the edge of the end cover 4 is pressed down on the pressing plate 3, so that the pressing plate 3 is pressed and fixed on the upper end of the inner tank 1. At this point, the tank body composed of the inner tank 1, the outer tank 2, the pressing plate 3 and the end cover 4 is assembled, and the first heating element 6 fixed on the pressing plate 3 and the second heating element 7 fixed on the outer wall of the inner tank 1 can be pre-set on the corresponding parts before the tank body is assembled. When the tank body is assembled, the first heating element 6 is in the groove 41, and the second heating element 7 is in the compartment 10. The installation process is simple and efficient, and it is convenient to assemble and use. At the same time, the above structure is easy to disassemble, easy to repair and replace the first heating element 6 and the second heating element 7, which greatly improves the use experience.

[0023] During operation, the main material resin and the auxiliary agent are put into the inner tank 1. The first heating element 6 and the second heating element 7 generate heat after being energized, thereby directly heating the inner tank 1 and the pressing plate 3. The outer periphery of the tank body is also heated. Under the action of heat conduction, the resin is heated. At the same time, the start motor 52 drives the stirring paddle 51 to rotate, and the resin is fully heated under the stirring action. In addition, the first heating element 6 does not contact the end cover 4, and the second heating element 7 does not contact the outer tank 2. During operation, the groove 41 and the compartment 10 can play a role in heat insulation, effectively reducing heat loss, improving heating efficiency, reducing energy loss, and greatly reducing production costs.

[0024] The inner tank 1 and the outer tank 2 are both cylindrical structures with an opening at the upper end, and the two are coaxially arranged to ensure that the cavity part between the outer wall of the inner tank 1 and the inner wall of the outer tank 2 on the compartment 10 is evenly arranged, so as to ensure that the side wall part is evenly heated as much as possible. As a preferred embodiment, an inner positioning ring 11 is protruded on the lower surface of the inner tank 1 along the axial direction of the inner tank 1, and an outer positioning ring 21 is protruded on the inner bottom wall of the outer tank 2 along the axial direction of the outer tank 2. The inner positioning ring 11 is matched and placed in the outer positioning ring 21, and the top of the outer positioning ring 21 is against the lower surface of the inner tank 1. During assembly, the inner tank 1 is placed into the outer tank 2 along the axial direction of the outer tank 2. After the inner positioning ring 11 and the outer positioning ring 21 cooperate with each other, it can be ensured that the inner tank 1 and the outer tank 2 are in a coaxial relationship, which is convenient for installation and operation. At the same time, since the outer positioning ring 21 plays a supporting role for the inner tank 1, the formation of the cavity located at the bottom of the inner tank 1 on the compartment 10 is guaranteed.

[0025] Furthermore, a stop protrusion (not shown in the figure) is provided on the outer wall of the inner positioning ring 11, and a stop groove (not shown in the figure) is provided on the inner wall of the outer positioning ring 21. The stop protrusion and the stop groove cooperate with each other to limit the rotation of the inner tank 1 relative to the outer tank 2, thereby ensuring the connection stability between the inner tank 1 and the outer tank 2.

[0026] As a preferred embodiment, a discharge pipe 12 is connected to the lower surface of the inner tank 1 along the axial direction of the inner tank 1. The discharge pipe 12 and the inner tank 1 can be connected by welding. The upper end of the discharge pipe 12 is connected to the inner cavity of the inner tank 1. The lower end of the discharge pipe 12 passes through the bottom wall of the outer tank 2 and extends to the outside of the outer tank 2. A control valve (not shown) for controlling the flow or cutoff of the paint is installed on the discharge pipe 12. When installing, the inner tank 1 is placed in the outer tank 2 along the axial direction, and the discharge pipe 12 can pass through the hole at the bottom of the outer tank 2, which is convenient for installation.

[0027] In this embodiment, the first heating element 6 and the second heating element 7 are both heating wires, the first heating element 6 is in the shape of a mosquito coil and fixed on the upper surface of the pressing plate 3, part of the heating wire on the second heating element 7 is wound around the outside of the inner tank 1 in a spiral tube manner, and another part of the heating wire on the second heating element 7 is in the shape of a mosquito coil and fixed on the outer bottom wall of the inner tank 1. It can be understood that the first heating element 6 and the second heating element 7 can also be heating plates or heating rods and other elements that can generate heat after being energized, which is not limited here.

[0028] As a preferred embodiment, the upper surface of the outer tank 2 is located above the upper surface of the inner tank 1, and the pressing plate 3 is a disc-shaped structure, and the outer diameter of the pressing plate 3 matches the inner diameter of the outer tank 2. In this way, when the pressing plate 3 is axially covered on the upper end opening of the inner tank 1, the outer tank 2 can limit the pressing plate 3 from easily moving in the horizontal direction. In addition, mutually matching grooves and protrusions can be provided between the outer circumference of the pressing plate 3 and the inner circumference of the outer tank 2 to limit the pressing plate 3 from rotating relative to the outer tank 2.

[0029] In order to improve the sealing performance between the pressing plate 3 and the inner tank 1, a sealing ring 31 is fixedly installed on the upper surface of the inner tank 1. After the end cover 4 is connected to the outer tank 2, the pressing plate 3 is tightly pressed on the sealing ring 31, thereby achieving a sealing effect between the pressing plate 3 and the inner tank 1 to prevent resin leakage. The sealing ring 31 is made of silicone or rubber material.

[0030] As a preferred embodiment, a fixing edge 22 is protruded radially along the top of the outer wall of the outer tank 2, the end cover 4 is a disc-shaped structure and is coaxially arranged with the outer tank 2, the outer diameter of the end cover 4 is larger than the outer diameter of the outer tank 2, and the fixing edge 22 and the end cover 4 are fixedly connected by bolts 23.

[0031] As a preferred embodiment, a feed pipe 13 is fixedly connected to the upper surface of the inner tank 1 along the axial direction of the inner tank 1. The feed pipe 13 can be connected to the inner tank 1 by welding. The lower end of the feed pipe 13 is connected to the inner cavity of the inner tank 1. The upper end of the feed pipe 13 passes through the outside of the end cover 4 to feed resin and additives into the inner tank 1. In specific implementation, after the addition of materials is completed, an activated carbon barrel for absorbing tail gas can be detachably installed on the feed pipe 13 to achieve environmentally friendly production. Furthermore, a through hole is opened on the end cover 4. When the end cover 4 is axially downwardly covered on the upper end of the outer tank 2, the feed pipe 13 passes through the through hole.

[0032] As a preferred embodiment, the body of the motor 52 is fixedly mounted on the upper surface of the end cover 4, the output shaft of the motor 52 passes through the end cover 4 and the pressing plate 3 in sequence and is fixedly connected to the stirring paddle 51, and a sealing ring 32 is provided between the output shaft of the motor 52 and the pressing plate 3 to play a sealing role. The sealing ring 32 is made of silicone or rubber material. The stirring paddle 51 includes a stirring shaft 511 and a paddle 512, the stirring shaft 511 is detachably fixedly connected to the output shaft of the motor 52, and the paddle 512 has a plurality of paddles 512 and is evenly fixedly connected to the stirring shaft 511.

[0033] In a specific embodiment, the bottom of the outer tank 2 is also fixedly connected with a plurality of support legs 24 to support the entire heating device. At the same time, the outer tank 2 is in a higher position under the support of the support legs 24, which is conducive to the arrangement of the discharge pipe 12. In this embodiment, there are four support legs 24, which are evenly arranged at the bottom of the outer tank 2.

[0034] The utility model is used for the heating equipment of fire retardant coating processing. When assembling, the first heating element 6 and the second heating element 7 can be respectively fixed on the outer wall of the pressure plate 3 and the inner tank 1, and then the inner tank 1 is placed in the outer tank 2, and the end cover 4 is fixedly installed at the open end of the outer tank 2. When the end cover 4 is installed, the pressure plate 3 is pressed and fixed on the open end of the inner tank 1. At the same time, the first heating element 6 is in the groove 41, and the second heating element 7 is in the compartment 10. Compared with the prior art, the heating is more sufficient and uniform, the assembly is simpler and more efficient, the implementation is strong, and it is easy to promote and use.

[0035] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without departing from the scope of the utility model through the above description. The technical scope of this utility model is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A heating device for fire retardant coating processing, characterized in that: It includes an inner tank, an outer tank, a pressure plate, an end cover and a stirring device, the inner tank is arranged in the outer tank, a partition is provided between the inner tank and the outer tank, the pressure plate cover is arranged on the upper end opening of the inner tank, the end cover is located above the pressure plate and is detachably mounted on the upper end opening of the outer tank, the edge of the end cover presses the pressure plate, a groove is arranged on the lower surface of the end cover, a first heating element is fixedly provided on the upper surface of the pressure plate corresponding to the groove, a second heating element is fixedly provided on the outer side wall and the outer bottom wall of the inner tank, and the stirring device includes a stirring paddle arranged in the inner tank and a motor for driving the stirring paddle to rotate.

2. The heating device for fire retardant coating processing according to claim 1, characterized in that: The inner tank and the outer tank are both cylindrical structures with an open upper end, and the inner tank and the outer tank are coaxially arranged.

3. The heating device for fire retardant coating processing according to claim 2, characterized in that: An inner positioning ring is protruded on the lower surface of the inner tank along the axial direction of the inner tank, and an outer positioning ring is protruded on the inner bottom wall of the outer tank along the axial direction of the outer tank. The inner positioning ring is fitted in the outer positioning ring, and the top of the outer positioning ring is abutted against the lower surface of the inner tank.

4. The heating device for fire retardant coating processing according to claim 3, characterized in that: A rotation-stopping protrusion is convexly arranged on the outer wall of the inner positioning ring, and a rotation-stopping groove cooperating with the rotation-stopping protrusion is arranged on the inner wall of the outer positioning ring.

5. The heating device for fire retardant coating processing according to claim 1, characterized in that: The upper surface of the outer tank is located above the upper surface of the inner tank, the pressing plate is in a disc-shaped structure, and the outer diameter of the pressing plate matches the inner diameter of the outer tank.

6. The heating device for fire retardant coating processing according to claim 5, characterized in that: A sealing ring is fixedly mounted on the upper surface of the inner tank, and the pressing plate is tightly pressed against the sealing ring.

7. The heating device for fire retardant coating processing according to claim 1, characterized in that: The top of the outer wall of the outer tank is provided with a fixing edge protruding along the radial direction of the outer tank. The end cover is a disc-shaped structure and is coaxially arranged with the outer tank. The outer diameter of the end cover is larger than the outer diameter of the outer tank. The fixing edge is fixedly connected to the end cover by bolts.

8. The heating device for fire retardant coating processing according to claim 1, characterized in that: A feed pipe penetrating the end cover is fixedly connected on the upper surface of the inner tank along the axial direction of the inner tank, and a discharge pipe penetrating the outer tank is fixedly connected on the lower surface of the inner tank along the axial direction of the inner tank.

9. The heating device for fire retardant coating processing according to claim 1, characterized in that: The body of the motor is fixedly mounted on the upper surface of the end cover, and the output shaft of the motor passes through the end cover and the pressure plate in sequence and is fixedly connected to the stirring paddle. The stirring paddle includes a stirring shaft and a paddle. The stirring shaft is detachably fixedly connected to the output shaft of the motor, and the paddle has multiple blades that are evenly fixedly connected to the stirring shaft.

10. The heating device for fire retardant coating processing according to claim 1, characterized in that: The first heating element and the second heating element are heating wires, heating sheets or heating rods.

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