Heating device for fuel tank of coal mill in thermal power plant
By adopting a combined structure of heating box, metal partition and thermal conduction plate in the coal mill oil tank, the problem of uneven heating is solved, and more efficient oil tank heating is achieved to ensure that the engine oil does not solidify in cold environments.
Patent Information
- Application Number
- CN202420840784.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-23
AI Technical Summary
The uneven heating of existing coal mill oil tank heating devices leads to inefficiency, especially in cold environments, the problem of engine oil solidification is serious.
A structure including a heating box, oil tank body, metal partition, thermal conduction plate, oil temperature detector and heating mechanism is designed. The combination of metal partition and thermal conduction plate is heated to ensure that the oil tank is heated evenly around it, and through the controller and The display monitors the temperature in real time.
The heating efficiency is improved, ensuring that the engine oil in the oil tank is heated evenly in cold environments, avoiding solidification, and improving the use efficiency.
Smart Images
Figure CN222143350U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of oil tank heating, in particular to an oil tank heating device for a coal mill in a thermal power plant. Background Art
[0002] A coal mill is a machine that breaks up coal blocks and grinds them into coal powder. It is an important auxiliary equipment for pulverized coal furnaces. A coal mill is a key equipment for crushing materials after they are broken. Coal mills are widely used in cement, silicate products, new building materials, refractory materials, fertilizers, black and non-ferrous metal beneficiation, glass and ceramics and other production industries. It can grind various ores and other grindable materials by dry or wet methods. In the cold winter, the engine oil inside the coal mill may solidify at low temperatures, making the engine oil unusable and requiring a tank heating device to heat the tank.
[0003] When the existing heating device heats the oil tank, due to the poor fluidity of the oil in the oil tank, the oil temperature near the heating device will be higher than other places, resulting in uneven heating, thereby affecting the heating efficiency. Utility Model Content
[0004] The utility model aims to provide a coal mill oil tank heating device for a thermal power plant to solve the problems raised in the above-mentioned background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A coal mill oil tank heating device for a thermal power plant comprises a heating box, an oil tank body is arranged inside the heating box, a metal partition fixedly connected to the inner wall of the heating box is arranged at the bottom of the oil tank body, a heat conducting plate is installed between the oil tank body and the heating box, the bottom of the heat conducting plate is fixedly connected to the metal partition, and an oil temperature detector is movably inserted at the top of the oil tank body;
[0007] An installation opening is provided on one side of the heating box, and a heating mechanism is detachably provided in the installation opening. The heating mechanism is located below the metal partition. A controller is provided on one side of the heating box, and a display screen and control buttons distributed in parallel are provided on the controller.
[0008] As a further solution of the utility model: an oil inlet pipe is conductively connected to the top of the oil tank body, a first pipe mouth cover is threadedly connected to the outer end of the oil inlet pipe, an oil outlet pipe is conductively connected to one side of the oil tank body near the bottom, one end of the oil outlet pipe passes through the heat conduction plate and the heating box in sequence and extends to the outside of the heating box, and a second pipe mouth cover is threadedly connected to the outer end of the oil outlet pipe.
[0009] As a further solution of the utility model: a detection hole is opened in the top of the oil tank body in the vertical direction, the oil temperature detector is movably inserted in the detection hole, the oil temperature detector is electrically connected to the controller, a sealing sleeve is arranged between the detection hole and the oil temperature detector, and the sealing sleeve is fixedly connected to the inner wall of the detection hole.
[0010] As a further solution of the utility model: the heating mechanism includes an installation box that is movably inserted into the installation port, a battery is arranged in the installation box, the battery is electrically connected to the controller, an electric heating tube is arranged on one side of the battery, an insulation layer is arranged on the inner wall of the installation box, the electric heating tube is connected to the battery through a connecting column, and a handle is fixedly connected to the outside of the installation box.
[0011] As a further solution of the utility model: a pull rod sleeve is fixedly connected to the outside of the heating box, a limit pull rod is movably inserted in the pull rod sleeve, a limit ring slidably connected to the outer ring of the limit pull rod is fixedly connected to the outer ring of the limit pull rod, a spring located in the pull rod sleeve is sleeved on the limit pull rod, an insertion block corresponding to the limit pull rod is fixedly connected to the outside of the installation box, a slot matched with the limit pull rod is opened on the top of the insertion block, and a hook matched with the limit pull rod is fixedly connected to one side of the heating box.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] After the utility model adopts the above structure, through the mutual cooperation among the oil tank body, the controller, the heating mechanism, the metal partition and the heat conduction plate, when the oil tank needs to be heated, the heating mechanism is started to work through the controller. When the heating mechanism is working, the heat emitted by the heating mechanism will be transferred to the bottom of the oil tank body through the metal partition to heat the bottom of the oil tank body. At the same time, the heat of the heating mechanism will be transferred to the heat conduction plate through the metal partition, so that the heat conduction plate heats the surrounding of the oil tank body. In this way, the oil tank body is heated in multiple directions, the heating is more uniform, and the heating efficiency of the heating device is further improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The present invention will be further described in detail below in conjunction with the embodiments in the accompanying drawings, but this does not constitute any limitation to the present invention.
[0015] Figure 1 The present invention is a schematic diagram of the main structure of a coal mill oil tank heating device in a thermal power plant.
[0016] Figure 2 The present invention is a main cross-sectional view of a coal mill oil tank heating device in a thermal power plant.
[0017] Figure 3 The present invention is a cross-sectional view of an oil temperature detector in a coal mill oil tank heating device of a thermal power plant.
[0018] Figure 4 The present invention is a cross-sectional view of a heating mechanism in a coal mill oil tank heating device in a thermal power plant.
[0019] Figure 5 The present invention is a cross-sectional view of a tie rod sleeve in a coal mill oil tank heating device in a thermal power plant.
[0020] In the figure: 1. heating box; 2. oil tank body; 3. metal partition; 4. heat conducting plate; 5. oil temperature detector; 6. mounting port; 7. heating mechanism; 701. mounting box; 702. battery; 703. electric heating tube; 704. heat insulation layer; 705. handle; 8. controller; 9. oil inlet pipe; 10. first pipe opening cover; 11. oil outlet pipe; 12. second pipe opening cover; 13. detection hole; 14. sealing sleeve; 15. pull rod sleeve; 16. limit pull rod; 17. limit ring; 18. spring; 19. plug block; 20. hook. DETAILED DESCRIPTION
[0021] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.
[0022] See also Figure 1-5 A coal mill oil tank heating device in a thermal power plant comprises a heating box 1, wherein an oil tank body 2 is arranged inside the heating box 1, and the oil tank body 2 is installed on equipment that needs to use oil as fuel. The fuel can be stored through the oil tank body 2 for convenient use each time. In addition to storing fuel, the oil tank body 2 can also be used for precipitating impurities and the like. A metal partition 3 fixedly connected to the inner wall of the heating box 1 is arranged at the bottom of the oil tank body 2, which can provide support for the oil tank body 2 and has good thermal conductivity. A heat conducting plate 4 is installed between the oil tank body 2 and the heating box 1, and the bottom of the heat conducting plate 4 is fixedly connected to the metal partition 3. An oil temperature detector 5 is movably inserted at the top of the oil tank body 2, and the oil temperature detector 5 can detect the temperature of the oil tank body 2. A mounting opening 6 is provided on one side of the heating box 1, and a heating mechanism 7 is detachably provided in the mounting opening 6, so as to heat the oil tank body 2. The detachable setting facilitates the inspection and maintenance of the heating mechanism 7. The heating mechanism 7 is located below the metal partition 3. A controller 8 is provided on one side of the heating box 1. The controller 8 is electrically connected to the heating mechanism 7. The heating mechanism 7 is started to work through the controller 8. A display screen and control buttons distributed in parallel are provided on the controller 8. The data detected by the oil temperature detector 5 is displayed through the display screen on the controller 8, so that the staff can understand the temperature of the oil tank body 2, providing convenience for the staff.
[0023] Furthermore, an oil inlet pipe 9 is connected to the top of the oil tank body 2, a first pipe mouth cover 10 is threadedly connected to the outer end of the oil inlet pipe 9, and an oil outlet pipe 11 is connected to one side of the oil tank body 2 near the bottom. One end of the oil outlet pipe 11 passes through the heat conduction plate 4 and the heating box 1 in sequence and extends to the outside of the heating box 1, and a second pipe mouth cover 12 is threadedly connected to the outer end of the oil outlet pipe 11. The first pipe mouth cover 10 and the second pipe mouth cover 12 can respectively seal the oil inlet pipe 9 and the oil outlet pipe 11 to prevent oil leakage.
[0024] Furthermore, a detection hole 13 is opened in the top of the oil tank body 2 in the vertical direction, and the oil temperature detector 5 is movably inserted in the detection hole 13. The oil temperature detector 5 is electrically connected to the controller 8. A sealing sleeve 14 is arranged between the detection hole 13 and the oil temperature detector 5 to prevent oil leakage and have a certain heat preservation effect. The sealing sleeve 14 is fixedly connected to the inner wall of the detection hole 13.
[0025] Further, the heating mechanism 7 includes an installation box 701 that is movably inserted into the installation port 6, a battery 702 is arranged in the installation box 701, and the battery 702 is electrically connected to the controller 8. An electric heating tube 703 is arranged on one side of the battery 702, and a heat insulation layer 704 is arranged on the inner wall of the installation box 701. The heat insulation layer 704 can be made of materials with heat insulation functions such as asbestos, heat insulation wool, and glass fiber. The electric heating tube 703 is connected to the battery 702 through a connecting column, and a handle 705 is fixedly connected to the outside of the installation box 701 to facilitate taking the installation box 701 out of the installation port 6.
[0026] Furthermore, a pull rod sleeve 15 is fixedly connected to the outside of the heating box 1, a limit pull rod 16 is movably inserted in the pull rod sleeve 15, a limit ring 17 slidably connected to the pull rod sleeve 15 is fixedly connected to the outer ring of the limit pull rod 16, and a spring 18 located in the pull rod sleeve 15 is sleeved on the limit pull rod 16. When the limit pull rod 16 is pulled, the limit ring 17 on the limit pull rod 16 will apply pressure to the spring 18, and when the limit pull rod 16 is released, the spring 18 returns to its original state, thereby driving the limit pull rod 16 back to its original position. An insert block 19 corresponding to the limit rod 16 is fixedly connected to the outside of the installation box 701, a slot compatible with the limit rod 16 is opened at the top of the insert block 19, and a hook 20 compatible with the limit rod 16 is fixedly connected to one side of the heating box 1. When the heating mechanism 7 needs to be inspected, it is only necessary to pull the limit rod 16, pull the bottom end of the limit rod 16 out of the slot, and clamp the top end on the hook 20. In this way, the limit rod 16 will not be affected by the spring 18 and bounce back to its original position, and the installation box 701 can be pulled out for inspection through the handle 705.
[0027] In this embodiment, the battery 702, controller 8, and oil temperature detector 5 used in this application are all existing technologies, and the connections between the various components are also existing technologies, so their connection relationships and principles are not repeated here.
[0028] When in use, the battery 702 is started by the controller 8 to drive the electric heating tube 703 to work. The heat emitted by the electric heating tube 703 will be transferred to the bottom of the fuel tank body 2 through the metal partition 3 to heat the bottom of the fuel tank body 2. At the same time, the heat of the electric heating tube 703 will be transferred to the heat conducting plate 4 through the metal partition 3, so that the heat conducting plate 4 heats the surrounding of the fuel tank body 2. During the heating process of the fuel tank body 2, the oil temperature detector 5 will measure the temperature of the engine oil in the fuel tank body 2 in real time. The measured oil temperature number will be displayed on the display screen on the controller 8, so that the staff can understand the real-time temperature in the fuel tank body 2. When the temperature reaches the expected value, the controller 8 controls the battery 702 to cut off the power to the electric heating tube 703 and stop heating.
[0029] The above embodiments are preferred implementation modes of the present invention and are only used to facilitate the explanation of the present invention. They are not intended to limit the present invention in any form. Any person with ordinary knowledge in the relevant technical field, if they do not depart from the scope of the technical features of the present invention, can make equivalent embodiments by partial changes or modifications to the technical contents disclosed in the present invention, and they still fall within the scope of the technical features of the present invention without departing from the technical features of the present invention.
Claims
1. A coal mill oil tank heating device for a thermal power plant, comprising a heating box (1), characterized in that: The heating box (1) is provided with an oil tank body (2) inside, a metal partition (3) fixedly connected to the inner wall of the heating box (1) is provided at the bottom of the oil tank body (2), a heat conducting plate (4) is installed between the oil tank body (2) and the heating box (1), the bottom of the heat conducting plate (4) is fixedly connected to the metal partition (3), and an oil temperature detector (5) is movably inserted at the top of the oil tank body (2); A mounting opening (6) is provided on one side of the heating box (1), a heating mechanism (7) is detachably provided in the mounting opening (6), the heating mechanism (7) being located below the metal partition (3), a controller (8) is provided on one side of the heating box (1), and a display screen and control buttons arranged in parallel are provided on the controller (8).
2. The coal mill oil tank heating device for a thermal power plant according to claim 1, characterized in that: An oil inlet pipe (9) is conductively connected to the top of the oil tank body (2), a first pipe opening cover (10) is threadedly connected to the outer end of the oil inlet pipe (9), an oil outlet pipe (11) is conductively connected to a position near the bottom of one side of the oil tank body (2), one end of the oil outlet pipe (11) passes through the heat conduction plate (4) and the heating box (1) in sequence and extends to the outside of the heating box (1), and a second pipe opening cover (12) is threadedly connected to the outer end of the oil outlet pipe (11).
3. The coal mill oil tank heating device for a thermal power plant according to claim 1, characterized in that: A detection hole (13) is provided on the top of the oil tank body (2) in a vertical direction, an oil temperature detector (5) is movably inserted into the detection hole (13), the oil temperature detector (5) is electrically connected to the controller (8), a sealing sleeve (14) is provided between the detection hole (13) and the oil temperature detector (5), and the sealing sleeve (14) is fixedly connected to the inner wall of the detection hole (13).
4. The coal mill oil tank heating device for a thermal power plant according to claim 1, characterized in that: The heating mechanism (7) comprises an installation box (701) movably inserted into the installation opening (6); a storage battery (702) is arranged in the installation box (701); the storage battery (702) is electrically connected to the controller (8); an electric heating tube (703) is arranged on one side of the storage battery (702); a heat insulation layer (704) is arranged on the inner wall of the installation box (701); the electric heating tube (703) is connected to the storage battery (702) via a connecting column; and a handle (705) is fixedly connected to the outer side of the installation box (701).
5. The coal mill oil tank heating device for a thermal power plant according to claim 4, characterized in that: A rod sleeve (15) is fixedly connected to the outside of the heating box (1), a limiting rod (16) is movably inserted in the rod sleeve (15), a limiting ring (17) is fixedly connected to the outer ring of the limiting rod (16) and is slidably connected to the rod sleeve (15), a spring (18) located in the rod sleeve (15) is sleeved on the limiting rod (16), an insert block (19) corresponding to the limiting rod (16) is fixedly connected to the outside of the installation box (701), a slot matched with the limiting rod (16) is opened on the top of the insert block (19), and a hook (20) matched with the limiting rod (16) is fixedly connected to one side of the heating box (1).