A thermal oil dryer

By separating the mobile drying box and the circulating oil pipeline of the thermal oil dryer, the problem of complex maintenance of traditional thermal oil dryers is solved, and convenient maintenance and cleaning of the oil pipeline is achieved, thus improving maintenance efficiency.

CN224285166UActive Publication Date: 2026-05-26SHANGHAI JIUXING THERMAL OIL CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI JIUXING THERMAL OIL CO LTD
Filing Date
2025-06-27
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Traditional thermal oil dryers require disassembling the machine casing to repair faults in the circulating oil pipes, which is a complex and time-consuming process that is inconvenient to maintain.

Method used

The design separates the mobile drying box from the circulating oil pipeline, allowing the mobile drying box to be removed separately during maintenance, facilitating the repair and cleaning of the circulating oil pipeline. The casters also make it easy to move and disassemble.

Benefits of technology

It simplifies the maintenance process, saves time and effort, improves the maintenance efficiency of the circulating oil pipeline, prevents water from entering the electrical parts, and makes cleaning convenient.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224285166U_ABST
    Figure CN224285166U_ABST
Patent Text Reader

Abstract

This utility model discloses a thermal oil dryer, including a thermal oil dryer body. The inner wall of the thermal oil dryer body is provided with a heat insulation layer, and a circulating oil pipe is provided on the inner side of the heat insulation layer. Both the inner and outer end faces of the circulating oil pipe are provided with high-temperature resistant shaping plates. A base is provided at the bottom of the interior of the thermal oil dryer body, and a movable drying box is located above the base. Universal wheels are provided on both sides of the bottom of the movable drying box. This utility model separates the movable drying box and the circulating oil pipe into two parts. This structure simplifies maintenance, allowing the movable drying box to be removed separately, exposing the internal circulating oil pipe for easy repair or cleaning of its interior and surface. This simplifies maintenance procedures and saves time and effort. It also facilitates cleaning of the movable drying box without worrying about moisture entering the electrical components, making it easier to remove stubborn stains.
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Description

Technical Field

[0001] This utility model relates to the field of thermal oil dryers, specifically a thermal oil dryer. Background Technology

[0002] Thermal oil dryers utilize thermal oil as a heat source, heating materials within the dryer through hot oil circulation. They can be used in industries such as chemical, mining, and metallurgy for drying various materials. In industrial applications, thermal oil dryers can be used to dry ores, slag, coal, metal powders, clay, diatomaceous earth, kaolin, etc. They are also suitable for drying straw, hay, leaves, fishmeal, corn sauce, starch residue, distiller's grains, medicinal residue, fruit residue, soy sauce residue, sugarcane bagasse, peat, organic compound fertilizer, sludge, and aquatic product waste. In food processing, thermal oil dryers can be used to dry grains such as rice and wheat. In traditional Chinese medicine, thermal oil is specifically used for drying Schisandra chinensis (a type of schisandra chinensis).

[0003] Existing technologies for thermal oil dryers still have certain shortcomings in use. When the internal circulation oil pipe of a traditional thermal oil dryer malfunctions, the machine casing usually needs to be disassembled for maintenance. The troubleshooting process is relatively complicated, which is not only labor-intensive but also time-consuming, and it is not convenient to repair or clean the internal circulation oil pipe. Utility Model Content

[0004] The purpose of this utility model is to provide a thermal oil dryer to solve the problem mentioned in the background art that when the internal circulating oil pipe of the traditional thermal oil dryer malfunctions, the machine casing usually needs to be disassembled for maintenance, which is a complicated fault repair process that is not only labor-intensive but also time-consuming, and is inconvenient for the maintenance or cleaning of the internal circulating oil pipe.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a thermal oil dryer, comprising a thermal oil dryer body, an insulation layer on the inner wall of the thermal oil dryer body, a circulating oil pipe on the inner side of the insulation layer, high-temperature resistant shaping plates on both the inner and outer end faces of the circulating oil pipe, a base at the bottom of the interior of the thermal oil dryer body, a movable drying box above the base, casters on both sides of the bottom of the movable drying box, a ramp at the bottom of the front end of the movable drying box, doors on both sides of the front end of the thermal oil dryer body, and a thermal oil heating control panel at the rear end of the thermal oil dryer body. The thermal oil heating control box has a partition in the middle, an oil storage tank above the partition, a filling pipe in the middle of the bottom surface of the oil storage tank, a filling control valve on one side of the filling pipe, a thermal oil heater below the partition, a heating pipe inside the thermal oil heater, a circulation pump below the thermal oil heater, a water outlet connected to an oil inlet pipe, an oil inlet control valve on one side of the oil inlet pipe, the oil inlet pipe being located at one end of the bottom surface of the thermal oil heater, a water inlet connected to a return oil pipe, and an oil outlet control valve at one end of the top surface of the thermal oil heater.

[0006] In a further embodiment, the oil return pipe and the oil outlet of the circulating oil pipe are fixedly connected by an oil return connection pipe, and the oil inlet of the circulating oil pipe is fixedly connected to the heat transfer oil heater by an oil outlet connection pipe.

[0007] In a further embodiment, the oil storage tank and the baffle are fixedly connected by a bracket, and the baffle is connected to the heat transfer oil heating control box by welding.

[0008] In a further embodiment, the high-temperature resistant shaping plate and the insulation layer are fixedly connected by screws, and the insulation layer and the heat-conducting oil dryer body are bonded together by adhesive.

[0009] In a further embodiment, the high-temperature resistant shaping plate is welded to the circulating oil pipeline, and the mobile drying box is inlaid with the high-temperature resistant shaping plate.

[0010] In a further embodiment, the mobile drying box is fixedly connected to the base by fixing bolts, and the casters are connected to the base by inlay.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] In this utility model, the mobile drying box and the circulating oil pipeline are set as two parts. The maintenance work of this structure is relatively simple. The mobile drying box can be removed separately to expose the internal circulating oil pipeline, which makes it easy to repair or clean the inside and surface of the circulating oil pipeline. This simplifies the maintenance process and saves time and effort. At the same time, it is also easy to clean the mobile drying box without worrying about water entering the electrical parts, and it is easy to remove stubborn stains inside. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the internal structure of a thermal oil dryer according to the present invention;

[0014] Figure 2 This is a rear view of a thermal oil dryer according to the present invention;

[0015] Figure 3 This is a schematic cross-sectional view of a thermal oil dryer according to the present invention.

[0016] Figure 4 This is a schematic diagram of the cross-sectional structure of the mobile drying oven of this utility model;

[0017] Figure 5 This is a front view of a thermal oil dryer according to the present invention.

[0018] In the diagram: 1. Thermal oil heating control box; 2. Oil outlet connection pipe; 3. Oil return connection pipe; 4. Thermal oil dryer body; 5. Insulation layer; 6. Circulating oil pipeline; 7. Box door; 8. Sloping plate; 9. Oil storage tank; 10. Oil outlet control valve; 11. Oil filling pipe; 12. Oil filling control valve; 13. Oil return pipe; 14. Baffle plate; 15. Heating pipe; 16. Thermal oil heater; 17. Oil inlet pipe; 18. Oil inlet control valve; 19. Circulating pump; 20. High temperature resistant shaping plate; 21. Mobile drying box; 22. Base; 23. Casters; 24. Fixing bolts. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0020] Please see Figure 1-5This utility model provides an embodiment of a thermal oil dryer, comprising a thermal oil dryer body 4, an insulation layer 5 on the inner wall of the thermal oil dryer body 4, a circulating oil pipe 6 on the inner side of the insulation layer 5, high-temperature resistant shaping plates 20 on both the inner and outer end faces of the circulating oil pipe 6, a base 22 at the bottom of the interior of the thermal oil dryer body 4, a movable drying box 21 above the base 22, casters 23 on both sides of the bottom of the movable drying box 21, and a ramp 8 at the bottom of the front end of the movable drying box 21. The front sides of the body 4 are provided with doors 7. The rear end of the body 4 is provided with a heat transfer oil heating control box 1. The middle of the interior of the heat transfer oil heating control box 1 is provided with a partition 14. Above the partition 14 is an oil storage tank 9. The middle of the bottom surface of the oil storage tank 9 is provided with a filling pipe 11. A filling control valve 12 is provided on one side of the filling pipe 11. Below the partition 14 is a heat transfer oil heater 16. The interior of the heat transfer oil heater 16 is provided with a heating pipe 15. Below the heat transfer oil heater 16 is a circulation pump 19. The water outlet of the circulation pump 19 is connected to the oil inlet. Pipe 17 is connected, and an oil inlet control valve 18 is provided on one side of the oil inlet pipe 17. The oil inlet pipe 17 is located at one end of the bottom surface of the thermal oil heater 16. The water inlet of the circulating pump 19 is connected to the return oil pipe 13. An oil outlet control valve 10 is provided at one end of the top surface of the thermal oil heater 16. The insulation layer 5 is used to increase the heat retention effect inside the thermal oil dryer body 4. The circulating oil pipe 6 is used to circulate the hot oil. The high-temperature resistant shaping plate 20 is used to shape and fix the insulation layer 5. The base 22 is used to increase the stability of the bottom. The mobile drying box 21 is used for... The mobile drying box 21 is used to place materials and dry them. The casters 23 are used to increase the ease of movement of the mobile drying box 21. The ramp 8 is used to buffer the height of the mobile drying box 21 connected to the ground. The door 7 is used to open or seal the thermal oil dryer body 4. The partition 14 is used to fix the position of the oil storage tank 9 and the thermal oil heater 16 at intervals. The thermal oil heater 16 is used to heat the thermal oil. The heating pipe 15 is used to increase the heat energy inside the thermal oil heater 16 to heat the oil.

[0021] The oil return pipe 13 and the oil outlet end of the circulating oil supply pipe 6 are fixedly connected by the oil return connecting pipe 3, and the oil inlet end of the circulating oil supply pipe 6 is fixedly connected to the heat transfer oil heater 16 by the oil outlet connecting pipe 2. The oil return connecting pipe 3 is used to connect the oil return pipe 13 and the circulating oil supply pipe 6, and the oil outlet connecting pipe 2 is used to connect the oil inlet end of the circulating oil supply pipe 6 and the heat transfer oil heater 16.

[0022] The oil storage tank 9 is fixedly connected to the baffle 14 by a bracket, and the baffle 14 is connected to the heat transfer oil heating control box 1 by welding. The welding connection is used to increase the firmness of the installation of the baffle 14.

[0023] The high-temperature resistant shaping plate 20 is fixedly connected to the insulation layer 5 by screws, and the insulation layer 5 is bonded to the heat transfer oil dryer body 4 by adhesive. The screws are used to fix the high-temperature resistant shaping plate 20 to the insulation layer 5. The high-temperature resistant shaping plate 20 is welded to the circulating oil pipe 6, and the mobile drying box 21 is inlaid to the high-temperature resistant shaping plate 20. The welding connection is used to increase the firmness of the installation of the high-temperature resistant shaping plate 20 and the circulating oil pipe 6.

[0024] The mobile drying box 21 is fixedly connected to the base 22 by fixing bolts 24, and the casters 23 are connected to the base 22 by inlay. The fixing bolts 24 facilitate the installation or removal of the mobile drying box 21 and the base 22.

[0025] Working principle: During use, the hot oil in the thermal oil heater 16 is heated by the heating pipe 15. When the oil reaches a certain high temperature, the oil outlet control valve 10 is opened. The hot oil is then transported from the oil outlet connection pipe 2 to the circulating oil pipe 6 by the circulation pump 19. The heat of the hot oil is circulated sequentially throughout the entire mobile drying box 21 by the circulating oil pipe 6, maintaining a certain high temperature inside the mobile drying box 21. The hot oil is then returned to the thermal oil heater 16 for reheating and circulation through the return oil connection pipe 3. The box door 7 is opened, and the material to be dried is pushed into the mobile drying box 21 for drying. When internal maintenance is required, the fixing bolts 24 are removed, separating the mobile drying box 21 from the thermal oil dryer body 4. The mobile drying box 21 is then moved outward with ease using the casters 23, and the circulating oil pipe 6 on the inner wall can be inspected or cleaned.

[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A thermal oil dryer, comprising a thermal oil dryer body (4), characterized in that: The inner wall of the thermal oil dryer body (4) is provided with a heat insulation layer (5), and a circulating oil pipe (6) is provided on the inner side of the heat insulation layer (5). The inner and outer end faces of the circulating oil pipe (6) are provided with high temperature resistant shaping plates (20). The bottom of the interior of the thermal oil dryer body (4) is provided with a base (22). A mobile drying box (21) is provided above the base (22). Universal wheels (23) are provided on both sides of the bottom of the mobile drying box (21). A ramp plate (8) is provided at the bottom of the front end of the mobile drying box (21). Box doors (7) are provided on both sides of the front end of the thermal oil dryer body (4). A thermal oil heating control box (1) is provided at the rear end of the thermal oil dryer body (4). A partition (14) is provided in the middle of the interior of the thermal oil heating control box (1). Above the partition (14) is an oil storage tank (9), and a refueling pipe (11) is provided in the middle of the bottom surface of the oil storage tank (9). A refueling control valve (12) is provided on one side of the refueling pipe (11). A thermal oil heater (16) is provided below the partition (14). A heating pipe (15) is provided inside the thermal oil heater (16). A circulation pump (19) is provided below the thermal oil heater (16). The water outlet of the circulation pump (19) is connected to the oil inlet pipe (17). An oil inlet control valve (18) is provided on one side of the oil inlet pipe (17). The oil inlet pipe (17) is located at one end of the bottom surface of the thermal oil heater (16). The water inlet of the circulation pump (19) is connected to the oil return pipe (13). An oil outlet control valve (10) is provided at one end of the top surface of the thermal oil heater (16).

2. The thermal oil dryer according to claim 1, characterized in that: The oil return pipe (13) and the oil outlet of the circulating oil pipe (6) are fixedly connected by the oil return connection pipe (3), and the oil inlet of the circulating oil pipe (6) and the heat transfer oil heater (16) are fixedly connected by the oil outlet connection pipe (2).

3. The thermal oil dryer according to claim 1, characterized in that: The oil storage tank (9) and the partition (14) are fixedly connected by a bracket, and the partition (14) and the heat transfer oil heating control box (1) are connected by welding.

4. The thermal oil dryer according to claim 1, characterized in that: The high-temperature resistant shaping plate (20) and the insulation layer (5) are fixedly connected by screws, and the insulation layer (5) and the heat-conducting oil dryer body (4) are bonded together by adhesive.

5. A thermal oil dryer according to claim 1, characterized in that: The high-temperature resistant shaping plate (20) is connected to the circulating oil pipeline (6) by welding, and the mobile drying box (21) is connected to the high-temperature resistant shaping plate (20) by inlay.

6. A thermal oil dryer according to claim 1, characterized in that: The mobile drying box (21) is fixedly connected to the base (22) by fixing bolts (24), and the caster wheel (23) is connected to the base (22) by inlay.