Safe and environment-friendly metal lamp wick and oil box
By designing a metal wick with a metal tube and metal mesh structure, the problem of low combustion calorific value of mineral oil fuel tank wicks is solved, and the effects of high-temperature combustion and rapid ignition are achieved. It is suitable for mutton hot pot and clay pot stove heating.
Patent Information
- Application Number
- CN202422526722.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-18
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-10-18
AI Technical Summary
The wicks in existing mineral oil fuel tanks have a low calorific value and are difficult to ignite, especially during the rainy season.
The metal wick design adopts a metal tube and metal mesh structure. The metal mesh is equipped with air inlet holes and oil guide ropes. The upper end of the metal mesh serves as the combustion part, and cooperates with the ignition mesh to adjust the flame state. The inner and outer walls of the metal mesh provide sufficient oxygen contact area, and the oil guide rope ensures the oil supply.
The combustion temperature is increased to 710℃ to ensure the maximum utilization of the combustion calorific value of mineral oil, and it ignites quickly in the rainy season. It is easy to ignite and durable.
Smart Images

Figure CN223360627U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hot pot fuel tanks, in particular to a safe and environmentally friendly metal wick and an oil box. Background Art
[0002] At present, hotels and restaurants mainly use mineral oil fuel tanks for food insulation and heating. During the entire combustion process, mineral oil is colorless, odorless, smokeless, non-volatile, non-irritating and residue-free, with good environmental effects. At the same time, due to the high flash point of the fuel, it is not a dangerous substance and has good safety.
[0003] A Chinese patent application numbered 202120216619.1 discloses a mineral oil open flame heating device, which includes a tank body, a cover body, a burner nozzle, and a combustion wick; the cover body is arranged on the tank body, the burner nozzle is arranged on the cover body, the upper end of the combustion wick is passed through the burner nozzle, and the lower end of the combustion wick extends to the bottom of the tank body; the tank body is a cylindrical structure with an opening at the upper end, the diameter of the tank body is greater than or equal to the height of the tank body, and the cover body is detachably connected to the opening.
[0004] The combustion wick of this technical solution is fixed on the burner nozzle. During actual use, the combustion wick produces a yellow flame with a flame temperature of approximately 650°C. The combustion calorific value of the mineral oil is not maximized, that is, the mineral oil cannot be fully burned. In addition, during the rainy season, the wick is exposed to the air. Due to the humidity of the air, the mineral oil will absorb water vapor, making it difficult to ignite the wick. Therefore, there is an urgent need for a safe and environmentally friendly metal wick that increases the combustion calorific value and is easy to ignite. Summary of the Invention
[0005] The purpose of the utility model is to provide a safe and environmentally friendly metal wick and oil box, which effectively solves the problem of low combustion calorific value and difficulty in ignition of the existing wicks mentioned in the above background technology.
[0006] The technical solution adopted by the utility model is as follows: a safe and environmentally friendly metal wick, comprising a metal tube, the lower section of the metal tube being immersed in mineral oil; the upper section of the metal tube being exposed above the mineral oil liquid surface; an air inlet being opened in the upper section of the metal tube; a metal mesh being sleeved on the inner wall of the metal tube, the metal mesh being tubular in shape, the upper end of the metal mesh protruding above the metal tube, the protruding portion serving as a combustion portion; the metal mesh being woven from metal wire so as to have the function of diverting the mineral oil; an oil guide rope being sleeved on the inner wall of the metal mesh, the upper end of the oil guide rope being lower than the air inlet of the metal tube.
[0007] The air inlet holes are in an arc shape and are arranged around the circumference of the metal tube.
[0008] The air inlet holes are arranged in two layers, or in multiple layers, and the positions of the air inlet holes in the upper layer and the air inlet holes in the lower layer are staggered.
[0009] A threaded hole is provided on the bottom surface of the vertical rod, and an adjusting bolt is screwed into the threaded hole.
[0010] The upper end of the metal mesh is provided with a ignition mesh, which is used to adjust the flame state; the cross-section of the ignition mesh is T-shaped, and the top surface of the ignition mesh has an arc groove, and the arc groove is provided with evenly arranged fire holes.
[0011] The upper end of the metal mesh is provided with a ignition mesh, which is used to adjust the state of the flame; the ignition mesh includes a ring seat, the cross-section of the ring seat is T-shaped, and the inner side wall of the ring seat is provided with a number of support rods, the free ends of the support rods are connected together by ignition balls, and the center of the ignition ball is concentric with the metal mesh.
[0012] A support is provided at the lower end of the metal pipe, and the shape of the support is an inverted U shape.
[0013] An oil box using the above-mentioned safe and environmentally friendly metal wick includes a box body, which is an inverted cavity structure. The lower end of the box body is provided with a bottom cover, and the middle of the top surface of the box body is provided with a refueling port. The refueling port is buckled with a top cover, and the top cover has an air vent. The top surface of the box body is provided with a plurality of insertion holes, which are slidably adapted to the metal tube. The lower end of the metal tube is against the bottom cover, and the air inlet of the metal tube is located outside the box body.
[0014] An annular groove is provided on the inner wall of the outer ferrule, the lower end of the annular groove is connected to the sealing ring groove, an inner pressure sleeve is threadedly connected to the annular groove, the cross-section of the inner pressure sleeve is T-shaped, the inner diameter of the inner pressure sleeve is the same as the inner diameter of the outer ferrule, the vertical section of the inner pressure sleeve is used to squeeze the O-ring to deform, and the O-ring becomes flat, and the horizontal section of the inner pressure sleeve has a screw groove.
[0015] The horizontal section of the outer ferrule is provided with a clamping ring, the cross-section of the clamping ring is L-shaped, a protective cap is fastened on the clamping ring, the inner wall of the protective cap has an arc convexity, the arc convexity is adapted to the clamping ring, and the protective cap is used to protect the metal mesh.
[0016] The beneficial effects of the present invention are as follows: the protruding part of the metal mesh is used as the combustion part, and the mineral oil is continuously transported to the combustion part in conjunction with the oil guide rope, and the inner and outer walls of the tubular metal mesh have sufficient oxygen contact area, so that the present invention produces a blue flame, and the combustion temperature is 710°C, which maximizes the combustion calorific value of the mineral oil; and during the rainy season, although the mineral oil absorbs water vapor, due to the fast heat conduction of the metal mesh, the mineral oil is quickly vaporized and can be quickly ignited. The metal wick is easy to ignite and durable. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the main cross-sectional structure of this application.
[0018] Figure 2 This is a schematic diagram of the explosion structure of this application.
[0019] Figure 3 This is a schematic diagram of the main structure of the air intake.
[0020] Figure 4 Schematic diagram of the three-dimensional structure of the notch.
[0021] Figure 5 Schematic diagram of the three-dimensional structure of the ignition network in Example 1.
[0022] Figure 6 Schematic diagram of the top view of the arc mesh.
[0023] Figure 7 It is a schematic diagram of the main cross-sectional structure of the adjusting bolt.
[0024] Figure 8 This is a schematic diagram of the main cross-sectional structure of the fuse network in Example 2.
[0025] Figure 9 This is a schematic diagram of the main cross-sectional structure of the fuse net in Example 3.
[0026] Figure 10 Schematic diagram of the three-dimensional structure of the fuse ball.
[0027] Figure 11 Schematic diagram of the three-dimensional structure of the support.
[0028] Figure 12 It is a schematic diagram of the main cross-sectional structure of the box body.
[0029] Figure 13 Schematic diagram of the three-dimensional structure of the box body.
[0030] Figure 14 It is a schematic diagram of the main cross-sectional structure of the outer ferrule and metal tube.
[0031] Figure 15 This is a schematic diagram of the main cross-sectional structure of the outer ferrule.
[0032] Figure 16 It is a schematic diagram of the main cross-sectional structure of the inner pressure sleeve.
[0033] Figure 17 It is a schematic diagram of the main cross-sectional structure of the protective cap.
[0034] Figure 18 It is a schematic diagram of the main cross-sectional structure of the snap ring.
[0035] In the figure: 1. Metal tube; 2. Air inlet; 3. Metal mesh; 4. Combustion part; 5. Oil guide rope; 6. Notch; 7. Fire net; 8. Vertical rod; 9. Arc mesh; 10. Threaded hole; 11. Adjusting bolt; 12. Arc groove; 13. Fire outlet; 14. Ring seat; 15. Support rod; 16. Fire ball; 17. Support; 18. Box body; 19. Bottom cover; 20. Fuel filler port; 21. Top cover; 22. Vent hole; 23. Socket; 24. External ferrule; 25. Raised ridge; 26. Sealing ring groove; 27. O-ring; 28. Ring groove; 29. Inner pressure sleeve; 30. Screw groove; 31. Snap ring; 32. Protective cap; 33. Arc convex. DETAILED DESCRIPTION
[0036] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings. The following description is only used to illustrate the technical solution of the present invention and is not intended to limit it.
[0037] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0038] like Figure 1 and Figure 2As shown in Example 1, a safe and environmentally friendly metal wick comprises a metal tube 1, the lower section of the metal tube 1 is immersed in mineral oil; the upper section of the metal tube 1 is exposed above the mineral oil liquid level; an air inlet 2 is opened in the upper section of the metal tube 1, the air inlet 2 is in the shape of an arc, and the air inlet 2 is arranged around the circumference of the metal tube 1, and the air inlet 2 provides sufficient oxygen for the full combustion of the mineral oil; a metal mesh 3 is sleeved on the inner wall of the metal tube 1, and the shape of the metal mesh 3 is a circular tube. Preferably, the lower end of the metal mesh 3 is flush with the metal tube 1, and the upper end of the metal mesh 3 protrudes above the metal tube 1, with a protruding length of 5 to 20 mm, and the protruding part serves as a combustion part 4; the metal mesh 3 is made of woven metal wire, so that the metal mesh 3 has the function of diverting mineral oil. When the oil level is low, the oil absorption effect of the metal mesh 3 gradually deteriorates; the holes of the metal mesh 3 The diameter is 250-500 mesh. An oil guide rope 5 is sleeved onto the inner wall of the metal mesh 3. The lower end of the oil guide rope 5 is preferably flush with the metal mesh 3, while the upper end of the oil guide rope 5 is lower than the air inlet 2 of the metal tube 1. The oil guide rope 5 enhances the oil-guiding function of the metal mesh 3, ensuring that the metal mesh 3 can still guide oil to the combustion section 4 even when the oil level is low. The present invention utilizes the protruding portion of the metal mesh 3 as the combustion section 4, and the oil guide rope 5 continuously delivers mineral oil to the combustion section 4. The inner and outer walls of the tubular metal mesh 3 provide sufficient oxygen contact area, resulting in a blue flame and a combustion temperature of 710°C, maximizing the calorific value of the mineral oil. Furthermore, during the rainy season, although the mineral oil absorbs moisture, the metal mesh 3 conducts heat quickly, vaporizing the mineral oil and igniting it quickly. This metal wick is easy to ignite and durable. This metal wick can be used for heating mutton hot pot and clay pot stoves.
[0039] As an optimization of the first embodiment, the metal tube 1 is made of a stainless steel tube or a copper tube.
[0040] As an optimization of the first embodiment, the wall thickness of the metal tube 1 is 0.1 mm to 1 mm, and the preferred wall thickness of the metal tube 1 is 0.4 mm.
[0041] As an optimization of the first embodiment, the length of the burning portion 4 of the metal mesh 3 is 15 mm.
[0042] As an optimization of the first embodiment, the pore size of the metal mesh 3 is 300 meshes.
[0043] As an optimization of the first embodiment, the oil guide rope 5 is made of inorganic fiber, which can be any one of plant fiber, glass fiber, flax fiber, cotton fiber, asbestos fiber, and aluminum silicate fiber. Chemical fiber cannot be added because chemical fiber becomes soft when exposed to high temperature and may even melt in severe cases.
[0044] like Figure 3As shown, as an optimization of the first embodiment, the air inlet holes 2 are provided in two, three, or multiple layers. The shape of the air inlet holes 2 can be replaced with a circular shape, and the positions of the air inlet holes 2 in the upper layer and the air inlet holes 2 in the lower layer are staggered. Alternatively, the air inlet holes 2 pass through the metal mesh 3, which can also improve the air intake effect.
[0045] like Figure 4 As shown, as an optimization of the first embodiment, a notch 6 is provided at the lower end of the metal tube 1 , and the notch 6 can improve the efficiency of the mineral oil entering the metal tube 1 .
[0046] like Figure 5 and Figure 6 As shown, as an optimization of Example 1, a ignition mesh 7 is installed on the upper end of the metal mesh 3, and the ignition mesh 7 is used to adjust the flame state; the ignition mesh 7 includes a vertical rod 8, and the side walls of the vertical rod 8 are connected to a number of arc-shaped meshes 9. In this embodiment, 6 arc-shaped meshes 9 are provided, and the 6 arc-shaped meshes 9 are arranged at equal angles. The arc-shaped meshes 9 are woven with metal wire, and the side edges of the arc-shaped meshes 9 are against the metal mesh 3, and the lower ends of the arc-shaped meshes 9 are against the oil guide rope 5. By providing the ignition mesh 7, the oil guide amount can be increased, the combustion area is increased, and the flame of the flame is more stable.
[0047] like Figure 7 As shown, as an optimization of the first embodiment, a threaded hole 10 is provided on the bottom surface of the vertical rod 8, and an adjusting bolt 11 is screwed into the threaded hole 10. The adjusting bolt 11 can control the height of the ignition net 7 and change the flame state.
[0048] like Figure 8 As shown, embodiment 2 is different from embodiment 1 in that a new ignition net 7 is proposed. The upper port of the metal mesh 3 is installed with the ignition net 7, and the ignition net 7 is used to adjust the flame state; the cross-sectional shape of the ignition net 7 is T-shaped, and the top surface of the ignition net 7 has an arc groove 12, and the arc groove 12 is provided with evenly arranged fire holes 13. By setting the ignition net 7, the flame is more concentrated and the flame is more stable.
[0049] like Figure 9 and Figure 10 As shown, embodiment three is different from embodiment one in that a new ignition net 7 is proposed, and the upper port of the metal mesh 3 is installed with the ignition net 7, and the ignition net 7 is used to adjust the state of the flame; the ignition net 7 includes a ring seat 14, and the cross-sectional shape of the ring seat 14 is T-shaped. The inner side wall of the ring seat 14 is connected with a support rod 15, and the number of the support rods 15 is 6, and the 6 support rods 15 are arranged at equal angles. The free ends of the 6 support rods 15 are connected together by a ignition ball 16, and the center of the ignition ball 16 is concentric with the metal mesh 3. By setting the ignition ball 16, the flame in the center of the metal mesh 3 can be concentrated, making the flame more stable.
[0050] like Figure 11As shown, in the fourth embodiment, unlike the first embodiment, a support 17 is connected to the lower end of the metal tube 1. The support 17 is in the shape of an inverted U, and there are three supports 17 arranged at equal angles. The supports 17 can improve the efficiency of mineral oil entering the metal tube 1. Preferably, the length of the support 17 is slightly smaller than the diameter of the metal tube 1.
[0051] like Figure 12 and Figure 13 As shown, further, an oil box using the above-mentioned safe and environmentally friendly metal wick is proposed, including a box body 18, the box body 18 is an inverted cavity structure, the lower end of the box body 18 is fixed with a bottom cover 19 by a crimping sealing connection, a refueling port 20 is provided in the middle of the top surface of the box body 18, a top cover 21 is fastened on the refueling port 20, and the top cover 21 has an air vent 22, the air vent 22 is used to discharge the evaporated gas generated by the heated mineral oil, which is then ignited by the burning part 4 of the metal mesh 3; a plurality of sockets 23 are provided on the top surface of the box body 18, for ease of understanding, the number of the sockets 23 in this application is 6, and the 6 sockets 23 are arranged at equal angles at the outer circumference of the refueling port 20, the sockets 23 are slidably adapted to the metal tube 1, the lower end of the metal tube 1 is against the bottom cover 19, and the air inlet 2 of the metal tube 1 is located outside the box body 18; the metal wick is installed on the oil box of this application, which can heat mutton hot pot and clay pot stove, and the calorific value of the flame is greatly improved.
[0052] like Figure 14 and Figure 15 As shown, further, considering that there is oil leakage between the socket 23 and the metal tube 1, an outer sleeve 24 is inserted into the socket 23, and the cross-sectional shape of the outer sleeve 24 is T-shaped. The outer wall of the vertical section of the outer sleeve 24 has a ridge 25, and the ridge 25 prevents the outer sleeve 24 from falling off the socket 23. A sealing ring groove 26 is provided on the inner wall of the vertical section of the outer sleeve 24, and the sealing ring groove 26 corresponds to the position of the ridge 25. An O-ring 27 is installed in the sealing ring groove 26, and the O-ring 27 is elastically matched with the metal tube 1. By setting the O-ring 27, the sealing performance of the metal tube 1 can be improved to prevent oil leakage.
[0053] like Figure 16 As shown, further, an annular groove 28 is provided on the inner wall of the outer ferrule 24, and the lower end of the annular groove 28 is connected to the sealing ring groove 26. An inner pressure sleeve 29 is threadedly connected to the annular groove 28, and the cross-sectional shape of the inner pressure sleeve 29 is T-shaped. The inner diameter of the inner pressure sleeve 29 is the same as the inner diameter of the outer ferrule 24. The vertical section of the inner pressure sleeve 29 is used to squeeze the O-ring 27 to deform, and the O-ring 27 becomes flat, which can compress the metal tube 1 and further improve the sealing performance of the O-ring 27. The horizontal section of the inner pressure sleeve 29 has a screw groove 30. By setting the inner pressure sleeve 29, the sealing performance of the O-ring 27 can be improved, and the height position of the metal tube 1 can be adjusted and fixed.
[0054] like Figure 17 and Figure 18 As shown, further, the horizontal section of the outer sleeve 24 is connected with a clamping ring 31, the cross-sectional shape of the clamping ring 31 is L-shaped, and a protective cap 32 is fastened on the clamping ring 31. The inner wall of the protective cap 32 has an arc bulge 33, and the arc bulge 33 is adapted to the clamping ring 31. The protective cap 32 is used to protect the metal mesh 3 to prevent the metal mesh 3 from being crushed, and the protective cap 32 can be covered to control the amount of burning of the metal wick.
[0055] Although the present invention has been described in detail with reference to the aforementioned examples, those skilled in the art can still make modifications to the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A safe and environmentally friendly metal wick, comprising a metal tube (1), characterized in that: The lower section of the metal tube (1) is immersed in mineral oil; the upper section of the metal tube (1) is exposed above the mineral oil liquid surface; the upper section of the metal tube (1) is provided with an air inlet (2); the inner wall of the metal tube (1) is sleeved with a metal mesh (3), the metal mesh (3) is in the shape of a tube, the upper end of the metal mesh (3) protrudes above the metal tube (1), and the protruding portion serves as a combustion portion (4); the metal mesh (3) is made of woven metal wire, so that the metal mesh (3) has the function of guiding the mineral oil, the inner wall of the metal mesh (3) is sleeved with an oil guide rope (5), and the upper end of the oil guide rope (5) is lower than the air inlet (2) of the metal tube (1).
2. The safe and environmentally friendly metal wick according to claim 1, characterized in that: The metal tube (1) is made of stainless steel or copper.
3. The safe and environmentally friendly metal wick according to claim 1, characterized in that: The wall thickness of the metal tube (1) is 0.1 mm to 1 mm.
4. The safe and environmentally friendly metal wick according to claim 1, characterized in that: The protruding length of the metal mesh (3) is 5 to 20 mm.
5. The safe and environmentally friendly metal wick according to claim 1, characterized in that: The pore size of the metal mesh (3) is 250-500 mesh.
6. The safe and environmentally friendly metal wick according to claim 1, characterized in that: The material of the oil guide rope (5) is inorganic fiber, and the specific inorganic fiber is any one of plant fiber, glass fiber, flax fiber, cotton fiber, asbestos fiber, and aluminum silicate fiber.
7. The safe and environmentally friendly metal wick according to claim 1, characterized in that: A notch (6) is provided at the lower end of the metal tube (1).
8. The safe and environmentally friendly metal wick according to claim 1, characterized in that: The upper end of the metal mesh (3) is provided with a ignition mesh (7), which is used to adjust the flame state; the ignition mesh (7) includes a vertical rod (8), and the side wall of the vertical rod (8) is provided with a plurality of arc-shaped mesh pieces (9), which are made of woven metal wires, and the side of the arc-shaped mesh piece (9) is against the metal mesh (3), and the lower end of the arc-shaped mesh piece (9) is against the oil guide rope (5).
9. An oil box using the safe and environmentally friendly metal wick according to any one of claims 1 to 8, comprising a box body (18), characterized in that: The box body (18) is an inverted cavity structure. The lower end of the box body (18) is provided with a bottom cover (19). A refueling port (20) is provided in the middle of the top surface of the box body (18). A top cover (21) is buckled on the refueling port (20), and the top cover (21) has an air vent (22). A plurality of insertion holes (23) are provided on the top surface of the box body (18). The insertion holes (23) are slidably fitted with the metal tube (1). The lower end of the metal tube (1) is against the bottom cover (19), and the air inlet (2) of the metal tube (1) is located outside the box body (18).
10. The oil box according to claim 9, characterized in that: An outer ferrule (24) is inserted into the socket (23), and the cross-sectional shape of the outer ferrule (24) is T-shaped. The outer wall of the vertical section of the outer ferrule (24) has a ridge (25), and the inner wall of the vertical section of the outer ferrule (24) is provided with a sealing ring groove (26). The sealing ring groove (26) corresponds to the position of the ridge (25), and an O-type sealing ring (27) is provided in the sealing ring groove (26). The O-type sealing ring (27) is elastically matched with the metal tube (1).
Citation Information
Patent Citations
Mineral oil open fire heating device
CN214370154U