Production heat energy recovery structure of coating machine for cigarette lining paper
By designing a heat recovery structure in the coating machine, the exhaust gas is used to heat the water flow in the water tank to preheat the air and filter impurities, thus solving the problem of heat loss during the drying process and achieving effective energy utilization and cost reduction.
Patent Information
- Application Number
- CN202521821928.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-26
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2035-08-26
AI Technical Summary
During the drying process of the existing coating machine, the heat loss of the exhaust gas discharged from the oven causes energy waste and affects the production heat utilization rate.
A heat recovery structure for coating machine production is designed. High-temperature exhaust gas is used to heat the water flow in the water tank to preheat the external air. Impurities in the exhaust gas are filtered through the filter mesh disk. Slide rails and limit structures are used to simplify the installation and disassembly of the filter pipe.
It reduces the energy consumption of the heater, lowers the production cost, prevents pollution by filtering impurities, and simplifies the operation process of the filter pipeline.
Smart Images

Figure CN223454546U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of coating machine heat recovery, specifically relates to a production heat recovery structure for cigarette lining paper coating machine. BACKGROUND
[0002] Cigarette lining paper, also known as aluminum foil paper or aluminum-coated paper, is mainly used for moisture-proof and aroma preservation. The coating machine for cigarette lining paper is a highly specialized equipment designed to uniformly and accurately coat a layer of functional coating, most commonly heat-sealing glue, on a thin and precise substrate. The coating machine is usually equipped with a drying unit and a coating unit, and the coating unit is the most critical part of the coating machine. Common coating methods include comma doctor blade coating, anilox roll coating, and slot extrusion coating.
[0003] After the existing coating machine completes coating of the substrate such as cigarette lining paper, it will be sent into the drying unit for drying. However, the exhaust gas from the oven still has a certain temperature during the drying process of the coated product, and this part of heat will be lost, causing energy waste and affecting the utilization rate of heat during the production of the coating machine. SUMMARY
[0004] The utility model aims at providing a production heat recovery structure for cigarette lining paper coating machine to solve the problems in the above background.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a production heat recovery structure for cigarette lining paper coating machine, comprising a base, a coating machine body and a drying box, the base top side is installed with the coating machine body, and the base top other side is installed with the drying box, the drying box top side is connected with the air inlet pipeline, and the drying box top other side is connected with the waste gas pipeline, the air inlet pipeline bottom end is connected with the heater, and the heater outer wall bottom end is installed with the hot air seat, the coating machine body top middle part is connected with the water tank, and the water tank outer wall is sleeved with the heat preservation sleeve, the water tank top side is butt jointed with the water inlet pipe, and the water tank bottom other side is butt jointed with the drain pipe, the air inlet pipeline top end is "L" type structure, and the air inlet pipeline bottom end is "U" type structure, the waste gas pipeline is "Z" type structure, and the air inlet pipeline and waste gas pipeline middle part are located inside the water tank.
[0006] The water flow absorbs the heat of the high-temperature waste gas, then the outside air passing through the heated water flow is preheated, thereby reducing the energy consumption of the heater for heating the outside air, fully utilizing the heat of the high-temperature waste gas, and reducing the production cost.
[0007] Preferably, the waste gas pipeline outer wall top end is connected with the base, and the base outer wall top end is welded with the filter pipeline, and the base cross section is "L" type structure.
[0008] Preferably, the outer wall of the filter pipe is provided with a servo motor at one side of the top end, and the output end of the servo motor is connected with a filter screen disc, the servo motor can drive the filter screen disc to rotate, and the filter screen disc is rotatably connected with the filter pipe.
[0009] The filter screen disc in the filter pipe filters the exhaust gas, so that the metal scraps and other impurities in the exhaust gas are blocked by the filter screen disc, and the servo motor is started to drive the filter screen disc to rotate, thereby switching the working surface of the filter screen disc and prolonging the time of the filter screen disc being blocked by the impurities.
[0010] Preferably, the base is welded with a limiting seat at both sides of the bottom end, the outer wall of the exhaust pipe is welded with a sliding rail at the middle portion, and the sliding rail is slidably connected with a rotating seat.
[0011] The sliding rail guides the rotating seat to stably rotate.
[0012] Preferably, the sliding rail is in an L-shaped structure in cross section, the rotating seat is in an L-shaped structure in cross section, and the rotating seat is fixedly connected with an extension seat at both sides of the top end.
[0013] The rotating seat rotates to drive the extension seat to move.
[0014] Preferably, the extension seat is welded with a fixing member at the middle portion of the outer wall, the fixing member and the limiting seat are both in an arc shape, the limiting seat is provided with a fixing hole in the inside, and the fixing member extends into the fixing hole.
[0015] The extension seat moves to drive the fixing member to move, until the fixing member is inserted into the limiting seat, at this time, the fixing member is in clamping connection with the limiting seat, thereby limiting the fixed base from moving randomly.
[0016] Preferably, the rotating seat is provided with a limiting hole in the inside of the bottom end, the limiting hole is connected with a fixing rod in the inside, and the fixing rod is fixedly connected with a floating plate at the bottom end.
[0017] The floating plate moves upwards to drive the fixing rod to move upwards.
[0018] Preferably, the fixing rod is slidably connected with the top portion of the water tank, the top portion of the fixing rod is in a T-shaped structure, the fixing rod is distributed at equal angles, the floating plate is in an O-shaped structure, and the floating plate is located in the water tank.
[0019] The water flow surface makes the floating plate located at the top end of the inner wall of the water tank, thereby making the top end of the fixing rod inserted into the bottom portion of the rotating seat, limiting the rotating seat from rotating randomly, and improving the stability of the filter pipe.
[0020] As can be seen from the above, the coating machine production heat energy recovery structure for cigarette lining paper has the following beneficial effects.
[0021] By utilizing the heat of high-temperature exhaust gas, the outside air of the air inlet is preheated, thereby reducing the energy consumption of the heater for heating the outside air, so as to reduce the production cost.
[0022] The filter screen disc filters the waste gas, so that the metal scraps and other impurities in the waste gas are blocked by the filter screen disc, preventing the impurities from being directly discharged to the outside to cause pollution, and the working surface of the filter screen disc can be switched, so that the time of the filter screen disc being blocked by the impurities is prolonged, thereby reducing the frequency of cleaning the filter screen disc by the workers.
[0023] By inserting the fixing member into the limiting seat, the fixing base is limited from moving at will, so that the installation work of the filter pipeline can be completed by rotating the rotating seat without repeatedly rotating a plurality of bolts, thereby saving time and facilitating subsequent disassembly. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 It is a whole three-dimensional structure schematic diagram of the utility model;
[0025] Figure 2 It is a main view cut structure schematic diagram of the utility model;
[0026] Figure 3 It is a drying box three-dimensional cut structure schematic diagram of the utility model;
[0027] Figure 4 It is a hot air seat three-dimensional structure schematic diagram of the utility model;
[0028] Figure 5 It is a water tank three-dimensional cut structure schematic diagram of the utility model;
[0029] Figure 6 It is a filter pipeline three-dimensional structure schematic diagram of the utility model;
[0030] Figure 7 It is a filter pipeline main view cut structure schematic diagram of the utility model;
[0031] Figure 8 It is a base three-dimensional cut structure schematic diagram of the utility model;
[0032] Figure 9 It is a fixing member three-dimensional structure schematic diagram of the utility model;
[0033] Figure 10 It is a limiting seat three-dimensional structure schematic diagram of the utility model.
[0034] In the figure: 1, base; 2, coating machine main body; 3, drying box; 4, air inlet pipeline; 5, waste gas pipeline; 6, heater; 7, hot air seat; 8, water tank; 9, heat preservation sleeve; 10, water inlet pipe; 11, drain pipe; 12, base; 13, filter pipeline; 14, servo motor; 15, filter screen disc; 16, limiting seat; 17, sliding rail; 18, rotating seat; 19, extension seat; 20, fixing piece; 21, floating plate; 22, fixed rod. DETAILED DESCRIPTION
[0035] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0036] Please refer to Figures 1-7 The utility model provides a kind of technical scheme: a kind of production heat recovery structure for cigarette lining paper coating machine, including base 1, coating machine main body 2 and drying box 3, base 1 top one side is equipped with coating machine main body 2, and base 1 top other side is equipped with drying box 3, drying box 3 top one side is connected with air inlet pipeline 4, and drying box 3 top other side is connected with waste gas pipeline 5, air inlet pipeline 4 bottom end is connected with heater 6, and heater 6 outer wall bottom end is equipped with hot air seat 7, coating machine main body 2 top middle part is connected with water tank 8, and water tank 8 outer wall is sleeved with heat preservation sleeve 9, water tank 8 top one side is butt joint with water inlet pipe 10, and water tank 8 bottom end other side is butt joint with drain pipe 11, air inlet pipeline 4 top is "L" type structure, and air inlet pipeline 4 bottom end is "U" type structure, waste gas pipeline 5 is "Z" type structure, air inlet pipeline 4 and waste gas pipeline 5 middle part are located inside water tank 8.
[0037] Specific implementation, refer to Figures 1-4 , base 1 is placed in specified position in factory building in advance, then the base material of production cigarette lining paper is introduced into coating machine main body 2 inside, when coating machine main body 2 is coated with heat sealing glue and other functional coating on base material, the base material after coating is introduced into drying box 3 inside, air outside is introduced into heater 6 inside by air inlet pipeline 4 at this time, air outside is heated by heater 6, heated to specified temperature after air, and then it is sprayed by hot air seat 7, after that, the base material is dried by the hot air sprayed, and the waste gas generated by the base material drying is discharged from drying box 3 by waste gas pipeline 5, to complete drying to the base material after coating.
[0038] Refer to Figures 3-5, the high-temperature exhaust gas is discharged through the exhaust pipe 5, and the high-temperature exhaust gas passes through the water tank 8, at this time, the water flow in the water tank 8 absorbs the heat of the high-temperature exhaust gas to heat up, and the heat preservation sleeve 9 reduces the temperature loss speed of the water tank 8, then the air inlet pipe 4 introduces the outside air into the heater 6 for heating, and the outside air passes through the heated water flow, at this time, the water flow preheats the outside air, improves the temperature of the outside air, and reduces the energy consumption of the heater 6 to heat the outside air, and the water flow is injected into the water tank 8 through the water inlet pipe 10, and the water flow in the water tank 8 is discharged through the drain pipe 11, thereby facilitating the operator to replace the water flow in the water tank 8, thereby making full use of the heat of the high-temperature exhaust gas to preheat the outside air of the air inlet, thereby reducing the energy consumption and reducing the production cost.
[0039] Referring to Figures 6-8 , the base 12 is connected to the outer wall top end of the exhaust pipe 5, and the filter pipe 13 is welded to the outer wall top end of the base 12, and the base 12 is in an "L" type structure; the servo motor 14 is installed on one side of the outer wall top end of the filter pipe 13, and the filter screen 15 is connected to the output end of the servo motor 14, and the servo motor 14 can drive the filter screen 15 to rotate, and the filter screen 15 is rotatably connected with the filter pipe 13.
[0040] In specific implementation, the heat of the high-temperature exhaust gas is absorbed by the water flow to reduce the temperature, and then the high-temperature exhaust gas is discharged through the filter pipe 13, at this time, the filter screen 15 in the filter pipe 13 filters the exhaust gas, so that the metal scraps and impurities in the exhaust gas are blocked by the filter screen 15 to prevent direct discharge to the outside to cause pollution, and then the servo motor 14 is started to drive the filter screen 15 to rotate, so that the working surface of the filter screen 15 faces upward, and the side of the filter screen 15 just faces upward faces downward, thereby switching the working surface of the filter screen 15 and prolonging the time of the filter screen 15 being blocked by impurities, thereby reducing the frequency of cleaning the filter screen 15 by the worker.
[0041] Referring to Figures 6-10 , the limiting seat 16 is welded to the bottom end of the base 12, the sliding rail 17 is welded to the outer wall middle part of the exhaust pipe 5, and the rotating seat 18 is slidingly connected to the outer wall of the sliding rail 17; the sliding rail 17 is in an "L" type structure, the rotating seat 18 is in an "L" type structure, and the extending seat 19 is fixedly connected to the top end of the rotating seat 18; the fixing piece 20 is welded to the outer wall middle part of the extending seat 19, and the fixing piece 20 and the limiting seat 16 are both in an arc shape, the limiting seat 16 is internally provided with a fixing hole, and the fixing piece 20 extends into the fixing hole; the limiting hole is internally provided in the bottom end of the rotating seat 18, and the limiting hole is connected with the fixing rod 22, and the bottom end of the fixing rod 22 is fixedly connected with the floating plate 21; the fixing rod 22 is slidingly connected with the top part of the water tank 8, the top part of the fixing rod 22 is in a "T" type structure, the fixing rod 22 is distributed at equal angles, the floating plate 21 is in an "O" type structure, and the floating plate 21 is located in the water tank 8.
[0042] In particular implementation, refer to Figures 8-10 , because the filter pipe 13 bottom end and base 12 are connected, first move the filter pipe 13 so that the base 12 bottom end and exhaust pipe 5 top are connected, so that the base 12 bottom end both sides of the limiting seat 16 are located in the exhaust pipe 5 top both sides, then push the rotating seat 18 so that it rotates along the slide rail 17, after rotating seat 18 rotates through the extension seat 19 drives the fixed part 20 to move, until the fixed part 20 is inserted into the limiting seat 16 inside, at this time the fixed part 20 and limiting seat 16 are engaged, in turn limit the fixed base 12 to prevent it from moving randomly, then without repeatedly rotating multiple groups of bolts, only need to rotate the rotating seat 18 can complete the installation work of the filter pipe 13, save time while also facilitate subsequent disassembly.
[0043] Refer to Figure 5 , Figure 7 and Figure 9 , because the float plate 21 is located in the water tank 8 inside, when the water tank 8 water flow is sufficient, the float plate 21 is located in the water flow liquid surface, that is, close to the water tank 8 inner wall top end position, and because the float plate 21 and fixed rod 22 are connected, the float plate 21 up will drive the fixed rod 22 up, in turn make the fixed rod 22 top end inserted into the rotating seat 18 bottom, limit the rotating seat 18 to prevent it from rotating randomly, improve the stability of the filter pipe 13.
[0044] The above, only for the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this. The alternative can be partial structure, device, method step replacement, but also can be a complete technical solution. According to the technical scheme of the present application and its utility model concept to replace or change, should be covered in the protection scope of the present application.
Claims
1. A coating machine production heat energy recovery structure for cigarette lining paper, comprising a base (1), a coating machine body (2) and a drying box (3), one side of the top end of the base (1) is provided with the coating machine body (2), and the other side of the top end of the base (1) is provided with the drying box (3), one side of the top end of the drying box (3) is connected with an air inlet pipeline (4), and the other side of the top end of the drying box (3) is connected with an exhaust pipeline (5), characterized in that: the bottom end of the air inlet pipeline (4) is connected with a heater (6), and the bottom end of the outer wall of the heater (6) is provided with a hot air seat (7), the top end of the coating machine body (2) is connected with a water tank (8), and the outer wall of the water tank (8) is sleeved with a heat preservation sleeve (9), one side of the top end of the water tank (8) is butt jointed with a water inlet pipe (10), and the other side of the bottom end of the water tank (8) is butt jointed with a drain pipe (11), the top end of the air inlet pipeline (4) is in "L" type structure, and the bottom end of the air inlet pipeline (4) is in "U" type structure, the exhaust pipeline (5) is in "Z" type structure, and the middle part of the air inlet pipeline (4) and the exhaust pipeline (5) is located in the water tank (8).
2. The heat energy recovery structure for a coating machine production of cigarette liner paper according to claim 1, characterized in that: The outer wall of the exhaust pipeline (5) is connected with a base (12), and the outer wall of the base (12) is welded with a filter pipeline (13), the cross section of the base (12) is in "L" type structure.
3. The heat energy recovery structure for a coating machine production of cigarette liner paper according to claim 2, characterized in that: The outer wall of the filter pipeline (13) is provided with a servo motor (14) on one side of the top end, and the output end of the servo motor (14) is butt jointed with a filter screen disc (15), the servo motor (14) can drive the filter screen disc (15) to rotate, and the filter screen disc (15) and the filter pipeline (13) are rotatably connected.
4. The heat energy recovery structure for a coating machine production of cigarette liner paper according to claim 3, characterized in that: The bottom end of the base (12) is welded with a limiting seat (16) on both sides, the outer wall of the middle part of the exhaust pipeline (5) is welded with a sliding rail (17), and the outer wall of the sliding rail (17) is slidably connected with a rotating seat (18).
5. The heat energy recovery structure for a coating machine production of cigarette liner paper according to claim 4, characterized in that: The cross section of the sliding rail (17) is in "L" type structure, the cross section of the rotating seat (18) is in "L" type structure, and the top end of the rotating seat (18) is fixedly connected with an extension seat (19) on both sides.
6. The heat energy recovery structure for a coating machine production of cigarette liner paper according to claim 5, characterized in that: The outer wall of the extension seat (19) is welded with a fixing piece (20) in the middle part, and the fixing piece (20) and the limiting seat (16) are both in arc shape, the limiting seat (16) is provided with a fixing hole in the inside, and the fixing piece (20) extends into the fixing hole.
7. The heat energy recovery structure for a coating machine production of cigarette liner paper according to claim 6, characterized in that: The bottom end of the rotating seat (18) is provided with a limiting hole in the inside, and the limiting hole is connected with a fixed rod (22) in the inside, and the bottom end of the fixed rod (22) is fixedly connected with a floating plate (21).
8. The heat energy recovery structure for a coating machine production of cigarette liner paper according to claim 7, characterized in that: The fixed rod (22) and the top of the water tank (8) are slidably connected, the top of the fixed rod (22) is in "T" type structure, and the fixed rod (22) is distributed in equal angles, the floating plate (21) is in "O" type structure, and the floating plate (21) is located in the water tank (8).