Cellulose triacetate vibration draining device
By using a triacetate vibrating drainage device in the production process of triacetate, the drainage is achieved by using vibration and gravity, which solves the problems of high energy consumption of screw drainage and high equipment maintenance costs, reducing production costs and improving product quality.
Patent Information
- Application Number
- CN202420469240.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-11
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-03-11
AI Technical Summary
In the existing production process of cellulose triacetate, the energy consumption of screw drainage is high, the equipment investment and maintenance costs are high, and the equipment failure rate is high, which affects production costs and product quality.
A vibrating drainage device for cellulose triacetate is adopted, which includes a screen box, a vibration motor and a bracket. An inclined screen mesh is installed in the screen box. The vibration motor drives the screen box to vibrate, so that cellulose triacetate moves to the discharge port under the action of vibration and gravity to achieve drainage.
It reduces the energy consumption and equipment maintenance costs of the drainage process during the production process of cellulose triacetate, improves the reliability and production efficiency of the equipment, and reduces hidden dangers to product quality.
Smart Images
Figure CN222747664U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cellulose production, in particular to a cellulose triacetate vibration drainage device. Background Art
[0002] In the production process of cellulose triacetate, the cellulose product needs to be drained and then dried. The current screw extrusion drainage method not only has high energy consumption and high equipment investment cost, but also has a high equipment failure rate and high maintenance cost, which affects the production cost of cellulose triacetate. Equipment with a high failure rate will bring great hidden dangers to product quality. Utility Model Content
[0003] In order to overcome the problems of high energy consumption of screw drainage, high equipment investment and high maintenance costs in the existing production process of triacetyl cellulose, the utility model provides a triacetyl cellulose vibration drainage device.
[0004] The technical solution adopted by the utility model to solve its technical problems is:
[0005] The vibrating drainage device for triacetyl cellulose comprises a screen box, a vibrating motor and a bracket. The screen box is connected to the bracket through an elastic member. The outside of the screen box is connected to the vibrating motor. A screen is arranged inside the screen box. The screen is inclined relative to the horizontal plane. A feed inlet is arranged above the side where the screen is in a high position. A discharge port is also provided at the bottom of the screen box. The discharge port is arranged on the side where the screen is in a low position, so that the triacetyl cellulose moves toward the discharge port under the action of vibration and gravity.
[0006] The present application provides a triacetyl cellulose vibration drainage device, specifically, comprising a screen box and a vibration motor, a screen is arranged in the screen box, and the screen is arranged obliquely relative to the horizontal plane; when in use, the triacetyl cellulose moves toward the discharge port under the action of vibration and gravity, and drains during the movement; the feed port and the discharge port are respectively located on both sides of the screen to fully drain. Compared with the screw drainage in the prior art, the present device has the advantages of low cost in both the investment and maintenance stages, and less energy consumption during use.
[0007] In some embodiments, the screen box comprises a detachably connected cover plate, and the feed port is opened on the cover plate.
[0008] In this embodiment, a cover plate is added to prevent splashing of triacetyl cellulose and water during the drainage process in the screen box; the cover plate and the screen box are detachably connected to facilitate internal maintenance of the screen box, such as replacement of the screen; further, a feed port is opened on the cover plate to provide continuous feeding and uninterrupted drainage.
[0009] In some embodiments, a plurality of observation windows are provided on the cover plate.
[0010] In this embodiment, a plurality of observation windows are provided on the cover plate, so that the operator can observe the internal working conditions of the screen box without opening the cover plate.
[0011] In some embodiments, the upper end of the screen box is a rectangular parallelepiped, and the screen box is provided with a discharge port on one side of the lower end and a drainage port on the other side along the length direction.
[0012] In this embodiment, the upper end of the screen box is a rectangular parallelepiped with a regular shape to facilitate the driving of the vibration motor; the screen box is provided with a discharge port and a drainage port on both sides along the length direction to facilitate the connection between the vibration drainage device and the material collection equipment and the water collection equipment.
[0013] In some embodiments, the screen box is provided with a drainage slope below the screen to collect drainage toward the drainage port.
[0014] In this embodiment, a drainage slope is provided below the screen, so that water flowing down the screen can be gathered to the drainage outlet in time.
[0015] In some embodiments, force guide plates are provided on both sides of the screen box in the length direction, and the vibration motor is connected to the screen box through the force guide plates.
[0016] In this embodiment, the vibration motor is connected to the screen box through a force guide plate to optimize the size of the screen box and facilitate the implementation and setting of the vibration motor.
[0017] In some embodiments, the vibration motors on the force guide plates on both sides of the screen box are symmetrically arranged, and the force guide plates are connected by reinforcing columns, and the reinforcing columns are arranged at the center of gravity connection of the vibration motors on both sides.
[0018] In this embodiment, a reinforcing column is added to enhance the conduction effect of the force guide plate and the reliability of the entire device.
[0019] In some embodiments, the mesh has a pore size of 0.3 mm to 0.8 mm.
[0020] In this embodiment, taking into account both the size of the triacetate cellulose material and the drainage efficiency, the preferred mesh size is 0.3 mm-0.8 mm.
[0021] In some embodiments, the screen is inclined at an angle of 2°-5° relative to the horizontal plane.
[0022] In this embodiment, considering the drainage effect and the size of the screen box, the preferred inclination angle of the screen relative to the horizontal plane is 2°-5°.
[0023] The beneficial effects of the utility model are as follows: vibration drainage is achieved through a vibration motor, assisted by a screen box and a screen mesh, which makes the production process of triacetyl cellulose, specifically, the investment and maintenance costs of the drainage process are greatly reduced, and the energy consumption during use is less compared with the screw drainage in the prior art; a cover plate is added to avoid splashing of materials or water to the outside during the vibration drainage process; the cover plate and the screen box are detachably connected for easy maintenance; an observation window is provided on the cover plate to facilitate observation of the working conditions in the screen box; the screen box is also provided with a drain port to recycle and reuse the water; a water guide slope is provided at the lower end of the screen box to facilitate the water to converge to the drain port; force guide plates are provided on both sides of the screen box for connecting the vibration motor and the screen box body; reinforcing columns are added between the force guide plates, and the reinforcing columns are provided at the center of gravity connection line of the vibration motors on both sides to improve the conduction effect of the force guide plates and the reliability of the entire device. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 A front schematic diagram of a triacetate cellulose vibration draining device provided by the utility model;
[0025] Figure 2 A side schematic diagram of a cellulose triacetate vibration draining device provided by the utility model;
[0026] Figure 3 for Figure 1 Schematic diagram of the structure of the middle screen.
[0027] Marked in the figure are, 1-feed port, 2-cover plate, 3-screen box, 4-screen, 5-discharge port, 6-drainage slope, 7-elastic part, 8-force guide plate, 9-vibration motor, 10-bracket, 11-drainage port, 12-reinforcement column. DETAILED DESCRIPTION
[0028] The utility model is further described below in conjunction with the accompanying drawings.
[0029] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0030] like Figure 1-Figure 3 As shown, the utility model provides a triacetate cellulose vibration draining device.
[0031] The vibrating drainage device for triacetyl cellulose comprises a screen box 3, a vibrating motor 9 and a bracket 10. The screen box 3 is connected to the bracket 10 through an elastic member 7. The outside of the screen box 3 is connected to the vibrating motor 9. A screen 4 is arranged inside the screen box 3. The screen 4 is inclined relative to the horizontal plane. A feed port 1 is arranged above the side where the screen 4 is at a high position. A discharge port 5 is also provided at the bottom of the screen box 3. The discharge port 5 is arranged on the side where the screen 4 is at a low position, so that the triacetyl cellulose moves toward the discharge port 5 under the action of vibration and gravity.
[0032] The present application provides a triacetyl cellulose vibration drainage device, specifically, comprising a screen box 3 and a vibration motor 9, a screen 4 is arranged in the screen box 3, and the screen 4 is arranged tilted relative to the horizontal plane; when in use, the triacetyl cellulose moves toward the discharge port 5 under the action of vibration and gravity, and drains during the movement; the feed port 1 and the discharge port 5 are respectively located on both sides of the screen 4 to fully drain. Compared with the screw drainage in the prior art, the present device has the advantages of low cost in both the investment and maintenance stages, and less energy consumption during use.
[0033] Obviously, Figure 1 As shown, cellulose triacetate will leave the screen 4 and fall into the inlet and outlet 5, so the screen 4 should not be set directly above the outlet 5. Comprehensively optimize the overall volume of the screen box 3 or the device, the outlet 5 should be as follows Figure 1 As shown, it is arranged on one side of the screen box 3, and the right side is shown in the figure. In practice, it can be shown as follows Figure 1 As described above, the screen 4 is at a certain distance from the right side wall of the screen box 3 to facilitate material discharge.
[0034] In this embodiment, the screen box 3 includes a detachably connected cover plate 2, and the feed port 1 is provided on the cover plate 2. The cover plate 2 is added to prevent the splashing of triacetylcellulose and water during the drainage process in the screen box 3; the cover plate 2 and the screen box 3 are detachably connected to facilitate the maintenance of the screen box 3, such as the replacement of the screen 4; further, the feed port 1 is provided on the cover plate 2 for continuous feeding and uninterrupted drainage.
[0035] In this embodiment, the cover plate 2 and the screen box 3 are detachably connected by a quick locking device. Obviously, there are many forms of detachable connection, such as bolt connection, etc. Preferably, the cover plate 2 and the screen box 3 are connected by a quick locking device to facilitate the disassembly and assembly of the cover plate 2 and the screen box 3.
[0036] In this embodiment, a plurality of observation windows are provided on the cover plate 2, so that the operator can observe the internal working conditions of the screen box 3 without opening the cover plate 2. The observation windows are not shown in the figure, and in practice, through holes are provided on the cover plate 2, supplemented by transparent lenses.
[0037] In this embodiment, the upper end of the screen box 3 is a rectangular parallelepiped, and the screen box 3 is provided with a discharge port 5 on one side of the lower end along the length direction, and a drain port 11 on the other side. The upper end of the screen box 3 is a rectangular parallelepiped with a regular shape, which is convenient for the vibration motor 9 to drive; the screen box 3 is provided with a discharge port 5 and a drain port 11 on both sides along the length direction, which is convenient for the connection of the vibration drainage device with the material collection device and the water collection device.
[0038] In this embodiment, the feed port 1, the discharge port 5 and the drain port 11 are all cylindrical pipes, and the feed port 1 is arranged higher than the cover plate 2 to facilitate the connection between the vibration drainage device and the feeding device, the material collecting device and the water collecting device; further, the vibration drainage device is connected to other equipment using a silicone flexible connection to adapt to the vibration of the screen box 3 to avoid structural failure at the connection.
[0039] In this embodiment, the screen box 3 is provided with a drainage slope 6 below the screen 4 so that water discharged from the screen 4 can be gathered to the drainage port 11 in time.
[0040] In this embodiment, force guide plates 8 are arranged on both sides of the screen box 3 in the length direction, and the vibration motor 9 is connected to the screen box 3 through the force guide plates 8. This is to optimize the size of the screen box 3 and facilitate the implementation of the vibration motor 9. Obviously, the force guide plate 8 should have a certain thickness. Figure 2 It is not shown here and is only shown here for simplification.
[0041] In this embodiment, the vibration motors 9 on the force guide plates 8 on both sides of the screen box 3 are symmetrically arranged, and the force guide plates 8 are connected by reinforcing columns 12. The reinforcing columns 12 are arranged at the center of gravity connection of the vibration motors 9 on both sides to improve the conduction effect of the force guide plates 8 and the overall reliability of the device.
[0042] In this embodiment, the pore size of the screen 4 is 0.5 mm. Taking into account the size of the triacetate cellulose material and the drainage efficiency, the preferred pore size of the screen 4 is 0.3 mm-0.8 mm.
[0043] In this embodiment, the screen 4 is inclined at an angle of 3° relative to the horizontal plane. Considering the drainage effect and the size of the screen box 3, the preferred inclination angle of the screen 4 relative to the horizontal plane is 2°-5°.
[0044] The technical solution adopted to achieve the purpose of the utility model is as follows: in the production process of triacetyl cellulose, the aforementioned triacetyl cellulose vibration drainage device is used to replace the screw pressing drainage device, the vibration drainage device is 2200mm long and 800mm wide, and the mesh diameter of the screen 4 is preferably in the range of 0.3mm-0.8mm. The feed port 1, the discharge port 5 and the drain port 11 are all cylindrical pipes, the feed port 1 has a diameter of 254mm, the discharge port 5 has a diameter of 152.4mm, the drain port 11 has a diameter of 152.4mm, and the vibration drainage capacity is 20 tons / hour (including water). The screen 4 is inclined at 3° relative to the horizontal plane (the feed end is high and the discharge end is low), combined with the aforementioned feed port 1, the discharge port 5 and the drain port 11 are all cylindrical pipes, the feed port 1, the discharge port 5 and the drain port 11 are implemented by using a silicone soft connection method to connect with other equipment to achieve continuous feeding and drainage, as well as water recycling and reuse. The silicone rubber soft connection can meet the pipe diameter requirements of various pipeline systems. The product adopts a multi-layer spherical structure with strong earthquake resistance, good noise reduction effect, can withstand high working pressure, has strong explosion resistance and sufficient elasticity; it plays a good displacement compensation role for compression, tension and torsional deformation; it adopts 360° rotating flange and threaded joint connection, which makes installation more convenient and flexible; the main body is made of rubber, which is heat-resistant, oil-resistant, acid-resistant and aging-resistant.
[0045] The feed port 1 is located above the front end of the vibrating drainage device, a cylindrical pipe with a diameter of 254mm, and is 300mm higher than the cover plate 2. The discharge port 5 is located below the rear end of the vibrating drainage device. The discharge port 5 is a rectangle with a length and width of 800mm×300mm, and the discharge port 5 is a circle with a diameter of 152.4mm. The drain port 3 is located below the front end of the vibrating device. The drain port is a rectangle with a length and width of 1900mm×800mm, and the discharge port is a circle with a diameter of 152.4mm. The cover plate 2 is located above the screen box 3, and the screen 4 is located in the middle of the screen box 3 of the vibrating drainage device. The screen box 3 is 2200mm×800mm×290mm in length×width×height, and has a front-to-back inclination of 2°-5° (higher in the front and lower in the back).
[0046] Two vibration motors 9 are respectively located on both sides of the screen box and fixed by the force guide plate 8 and the reinforcing column 12. Each motor is fixed on the force guide plate 8 by screws. The rated power of each motor is 0.7KW.
[0047] In this embodiment, the elastic member 7 is selected as a vibration-damping spring. There are four vibration-damping springs, which connect the screen box 3 and the bracket 10 and mainly play a vibration-damping role in the vibration drainage process.
[0048] The force guide plate 8 mainly balances the force of the vibration motor 9 onto the screen box 3. The force guide plate 8 is first connected to the screen box 3. Obviously, the force guide plate 8 and the screen box 3 can be set as one body, the screen box 3 is connected to the bracket 10 through the damping spring, and the vibration motor 9 is fixed to both sides of the force guide plate 8 by bolts.
[0049] The reinforcing column 12 is mainly used to strengthen the supporting structure. The bracket is in the shape of a rectangular parallelepiped as a whole, and mainly plays the role of supporting the screen box 3. The reinforcing column 12 is mainly used to reinforce the force guide plate 8.
[0050] The screen 4 is mainly a round hole screen with a pore size of 0.3mm-0.8mm. The material enters the screen 4 in the screen box 3 through the feed port 1, and the surface water is filtered out after vibration. The water flows out from the discharge port 5 on the inclined screen 4 through vibration and gravity. The water dripping from the screen 4 is guided to the drainage port 11 through the drainage slope 6 and is recycled.
[0051] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A triacetate cellulose vibration draining device, characterized in that: The invention comprises a screen box (3), a vibration motor (9) and a bracket (10); the screen box (3) is connected to the bracket (10) through an elastic member (7); the screen box (3) is externally connected to the vibration motor (9); a screen (4) is arranged inside the screen box (3); the screen (4) is arranged obliquely relative to a horizontal plane; a feed port (1) is arranged above a side where the screen (4) is at a high position; a discharge port (5) is also provided at the bottom of the screen box (3); the discharge port (5) is arranged on a side where the screen (4) is at a low position, so that the triacetate cellulose moves toward the discharge port (5) under the action of vibration and gravity.
2. The triacetyl cellulose vibrating draining device according to claim 1, characterized in that: The screen box (3) comprises a detachably connected cover plate (2), and the feed port (1) is opened on the cover plate (2).
3. The triacetyl cellulose vibrating draining device according to claim 2, characterized in that: A plurality of observation windows are provided on the cover plate (2).
4. The triacetate cellulose vibration draining device according to any one of claims 1 to 3, characterized in that: The upper end of the screen box (3) is a rectangular parallelepiped. Along the length direction, a discharge port (5) is arranged on one side of the lower end of the screen box (3), and a drainage port (11) is arranged on the other side.
5. The triacetyl cellulose vibrating draining device as claimed in claim 4, characterized in that: Below the screen (4), the screen box (3) is provided with a drainage slope (6) for collecting drainage toward the drainage outlet (11).
6. The triacetyl cellulose vibrating draining device according to claim 4, characterized in that: Force guide plates (8) are arranged on both sides of the screen box (3) in the length direction, and the vibration motor (9) is connected to the screen box (3) through the force guide plates (8).
7. The triacetyl cellulose vibration draining device according to claim 6, characterized in that: The vibration motors (9) on the force guide plates (8) on both sides of the screen box (3) are symmetrically arranged, and the force guide plates (8) are connected by reinforcing columns (12). The reinforcing columns (12) are arranged at the center of gravity connection of the vibration motors (9) on both sides.
8. The triacetyl cellulose vibrating draining device according to claim 1, characterized in that: The pore size of the screen (4) is 0.3 mm to 0.8 mm.
9. The triacetyl cellulose vibrating draining device according to claim 1, characterized in that: The screen (4) is inclined at an angle of 2°-5° relative to the horizontal plane.