Indirect heating type heat-conducting oil furnace
Through the design of indirect heating thermal oil furnace, the quartz heating plate and pipeline heating cylinder are used for indirect heating, which solves the corrosion and pollution problems of heating rods in traditional thermal oil furnaces, and achieves convenient replacement and uniform heating effect.
Patent Information
- Application Number
- CN202420236191.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-31
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-01-31
AI Technical Summary
In traditional electric heating thermal oil furnaces, direct contact between the heating rod and the thermal oil leads to corrosion, shortening of life and pollution problems, and the complexity of replacing the heating rod.
The indirect heating type thermal oil furnace is designed, and the indirect heating is carried out through several pipeline heating cylinders and quartz heating plates. A metal heating wire and thermal conduction layer are installed on the outside of the quartz heating plates. The oil heating pipeline passes through the pipeline heating cylinders for heat exchange to avoid The heating source is in direct contact with the thermally conductive oil.
It realizes the convenience of uniform heating of thermal oil and replacement of heating accessories, extends the service life of the heating rod, and avoids pollution and replacement complexity.
Smart Images
Figure CN222230905U_ABST
Abstract
Description
Technical Field
[0001] The utility model is applicable to the field of electroplating assembly line equipment and provides an indirect heating type heat-conducting oil furnace. Background Art
[0002] A thermal oil furnace is a special industrial furnace that uses thermal oil as a heat carrier and a circulating oil pump to force liquid circulation, transfers heat energy to heat-using equipment and then returns it for reheating. Among them, an electric heating thermal oil furnace is a common heating form. Usually, an electric heating thermal oil furnace directly heats the thermal oil by inserting a heating rod into the thermal oil pipeline. However, this method has several disadvantages. The first is that the heating rod is in direct contact with the thermal oil for a long time, which easily corrodes the surface of the heating rod, reducing the life of the heating rod. After long-term use, impurities will be generated on the surface of the heating rod. These impurities will contaminate the thermal oil and affect its thermal conductivity. The second is that once the heating rod is damaged, it is more complicated to replace it, and the entire heating rod needs to be replaced. Utility Model Content
[0003] To this end, the utility model provides an indirect heating type thermal oil furnace. Different from the design of traditional thermal oil furnaces that directly insert heating rods into the thermal oil, the utility model adopts a design of setting up several pipe heating cylinders, and the oil heating pipeline used for circulating the thermal oil passes through the above-mentioned several pipe heating cylinders in sequence. The pipe heating cylinder heats the inside of the cylinder through a quartz heating plate arranged on the outer wall of the cylinder. In this heating method, the heating source does not need to directly contact the thermal oil, and various defects caused by the use of heating rods will not occur.
[0004] In order to achieve the above purpose, the utility model provides the following technical solution: an indirect heating type thermal oil furnace, comprising:
[0005] Equipment brackets;
[0006] A heating furnace body, wherein the heating furnace body is fixedly arranged on an equipment support;
[0007] An oil transport pump, wherein the oil transport pump is fixedly arranged on the equipment bracket, and the oil inlet of the oil transport pump is connected with an oil inlet pipeline;
[0008] A plurality of pipe heating cylinders, wherein the pipe heating cylinders are fixedly arranged in the heating furnace body, and a plurality of quartz heating plates are fixedly sleeved on the outer wall of the pipe heating cylinders, and the quartz heating plates are sequentially provided with an outer protective layer, a first quartz layer, a second quartz layer and an inner heat-conducting layer from the outside to the inside, and a metal heating wire is wound between the first quartz layer and the second quartz layer, and both ends of the metal heating wire are electrically connected with terminal posts respectively, and the terminal posts are arranged on the outer side of the outer protective layer, and the inner heat-conducting layer is in contact with the outer wall of the pipe heating cylinder;
[0009] An oil heating pipeline, one end of which is connected to the liquid outlet of the oil transport pump, and the other end of which passes through the plurality of pipeline heating cylinders in sequence and is arranged on the outside of the heating furnace body.
[0010] Furthermore, the quartz heating plate is arranged in a two-petal style, divided into a first heating plate and a second heating plate, and the first heating plate and the second heating plate are symmetrically arranged on the outer side wall of the pipeline heating cylinder.
[0011] Furthermore, a thermally conductive silicone grease layer is provided between the inner heat conductive layer and the outer side wall of the pipeline heating cylinder.
[0012] Furthermore, the gaps between the heating furnace body and the pipeline heating cylinder, the quartz heating plate and the oil heating pipeline are filled with thermal insulation cotton.
[0013] Furthermore, a heat-conducting material layer is provided between the inner wall of the pipeline heating cylinder and the outer wall of the oil heating pipeline.
[0014] Furthermore, the oil inlet pipeline is provided with an emergency pressure relief port.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] 1. In the utility model, the pipe heating cylinder is heated by a quartz heating plate, and the heat transfer oil in the oil heating pipeline is indirectly heated by the pipe heating cylinder to complete the heat transfer process. This indirect heating method avoids the defect of placing the heating source directly in the heat transfer oil, so that the heat transfer oil is heated more evenly, and the replacement of the heating accessories is also more convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a structural schematic diagram of an indirect heating type thermal oil furnace mentioned in the utility model;
[0018] Figure 2 It is a schematic diagram of the structure of the oil heating pipeline, the pipeline heating cylinder and the quartz heating plate in the utility model;
[0019] Figure 3 It is a cross-sectional view of the oil heating pipeline, pipeline heating cylinder and quartz heating plate after being assembled in the utility model.
[0020] In the figure:
[0021] 1. Equipment bracket, 2. Heating furnace body, 3. Oil transport pump, 4. Oil inlet pipeline, 5. Oil heating pipeline, 6. Emergency pressure relief port, 7. Pipeline heating cylinder, 8. Quartz heating plate, 801. Outer protective layer, 802. First quartz layer, 803. Metal heating wire, 804. Second quartz layer, 805. Inner heat conduction layer, 806. Terminal, 9. Heat conducting material layer, 10. Thermal insulation cotton. DETAILED DESCRIPTION
[0022] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.
[0023] For example, see the attached Figure 1 The utility model provides an indirect heating type thermal oil furnace, comprising an equipment bracket 1, on which a heating furnace body 2 and an oil delivery pump are fixedly arranged;
[0024] The liquid inlet of the oil transport pump 3 is connected to the oil inlet pipeline 4, and the oil inlet pipeline 4 is provided with an emergency pressure relief port 6. When the main pipeline is blocked, the emergency pressure relief port 6 can be used to quickly release pressure and unload the material to protect the pipeline safety.
[0025] Several pipe heating cylinders 7 are fixedly arranged in the heating furnace body 2. Figure 2 As shown, the outer wall of the pipeline heating cylinder 7 is fixedly sleeved with a plurality of quartz heating plates 8, which are arranged in a two-piece type, and are divided into a first heating plate and a second heating plate. The first heating plate and the second heating plate are symmetrically arranged on the outer wall of the pipeline heating cylinder 7, as shown in the attached Figure 3 As shown, the first heating plate and the second heating plate are sequentially provided with an outer protective layer 801, a first quartz layer 802, a second quartz layer 804 and an inner heat-conducting layer 805 from the outside to the inside, a metal heating wire 803 is wound between the first quartz layer 802 and the second quartz layer 804, and both ends of the metal heating wire 803 are electrically connected to terminal posts 806, and the terminal posts 806 are arranged on the outside of the outer protective layer 801, and the inner heat-conducting layer 805 is attached to the outer wall of the pipeline heating tube 7, and a thermal conductive silicone grease layer is arranged between the inner heat-conducting layer 805 and the outer wall of the pipeline heating tube 7, and the thermal conductive silicone grease layer can fill the gap between the inner heat-conducting layer 805 and the outer wall of the pipeline heating tube 7, so that the heat conduction is more uniform and efficient;
[0026] The outlet of the oil transport pump 3 is connected to the oil heating pipeline 5. The other end of the oil heating pipeline 5 passes through several pipeline heating cylinders 7 in sequence and is arranged on the outside of the heating furnace body 2. The heat transfer oil can be transported to the oil heating pipeline 5 through the oil transport pump 3.
[0027] In one of the embodiments, the gaps between the heating furnace body 2 and the pipe heating cylinder 7, the quartz heating plate 8 and the oil heating pipeline 5 are filled with thermal insulation cotton 10, and a heat conductive material layer 9 is provided between the inner wall of the pipe heating cylinder 7 and the outer wall of the oil heating pipeline 5.
[0028] The working principle of this embodiment is as follows:
[0029] Under the action of the oil transport pump 3, the heat transfer oil to be heated is drawn from the oil inlet pipeline 4 into the oil heating pipeline 5. The heat transfer oil passes through several pipeline heating cylinders 7 in the oil heating pipeline 5 in turn. The pipeline heating cylinders 7 continuously perform heat exchange on the heat transfer oil in the oil heating pipeline 5 under the heating of the quartz heating plate 8, so that the temperature of the heat transfer oil rises. Finally, the heat transfer oil is discharged after being heated.
[0030] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal", "head, tail" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description. Unless otherwise stated, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present invention: the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.
[0031] The above are only preferred embodiments of the present invention. Any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the above technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the present invention shall fall within the scope of protection claimed by the present invention.
Claims
1. An indirect heating type thermal oil furnace, comprising: Equipment bracket (1); A heating furnace body (2), wherein the heating furnace body (2) is fixedly arranged on the equipment support (1); An oil transport pump (3), wherein the oil transport pump (3) is fixedly arranged on the equipment support (1), and a liquid inlet of the oil transport pump (3) is connected to an oil inlet pipeline (4); It is characterized by further comprising: A plurality of pipe heating cylinders (7), wherein the pipe heating cylinders (7) are fixedly arranged in the heating furnace body (2), and the outer wall of the pipe heating cylinder (7) is fixedly sleeved with a plurality of quartz heating plates (8), wherein the quartz heating plates (8) are sequentially provided with an outer protective layer (801), a first quartz layer (802), a second quartz layer (804) and an inner heat conductive layer (805) from the outside to the inside, and a metal heating wire (803) is wound between the first quartz layer (802) and the second quartz layer (804), and the two ends of the metal heating wire (803) are respectively electrically connected to terminal posts (806), and the terminal posts (806) are arranged on the outside of the outer protective layer (801), and the inner heat conductive layer (805) is in contact with the outer wall of the pipe heating cylinder (7); An oil heating pipeline (5), one end of which is connected to the liquid outlet of the oil transport pump (3), and the other end of which passes through the plurality of pipeline heating cylinders (7) in sequence and is then arranged on the outside of the heating furnace body (2).
2. The indirect heating type thermal oil furnace according to claim 1, characterized in that: The quartz heating plate (8) is arranged in a two-piece configuration, and is divided into a first heating plate and a second heating plate, and the first heating plate and the second heating plate are symmetrically arranged on the outer side wall of the pipeline heating cylinder (7).
3. The indirect heating type thermal oil furnace according to claim 1, characterized in that: A thermally conductive silicone grease layer is provided between the inner heat conductive layer (805) and the outer side wall of the pipeline heating cylinder (7).
4. The indirect heating type thermal oil furnace according to claim 1, characterized in that: The gaps between the heating furnace body (2) and the pipeline heating cylinder (7), the quartz heating plate (8) and the oil heating pipeline (5) are filled with thermal insulation cotton (10).
5. The indirect heating type thermal oil furnace according to claim 1, characterized in that: A heat-conducting material layer (9) is provided between the inner wall of the pipeline heating cylinder (7) and the outer wall of the oil heating pipeline (5).
6. The indirect heating type thermal oil furnace according to claim 1, characterized in that: The oil inlet pipeline (4) is provided with an emergency pressure relief port (6).