Filtering and oil supplementing device for oiling process

Abstract

The utility model relates to an oiling filtering and oil supplementing device. The device comprises a filtering kettle, an operating door, an observation window, a spoiler, a filter cartridge, a blow-off pipe, a blow-off valve, a peristaltic pump, a hose, an oil supplementing hole, a blowing coil pipe and a water outlet. The oil tank is suitable for the field of dry-jet wet spinning oiling procedures, in the production process of the oiling procedures, waste oil, oil dirt and impurities can be continuously generated in the oil tank, the concentration of an oil agent in the oil tank can be reduced along with production time, and the oil tank can be used for filtering and discharging pollution under the condition that normal operation of the oil tank is not affected. And oil is continuously supplemented to maintain the concentration of the oil tank and improve the production stability.

Description

Technical Field

[0001] The utility model discloses a filtering and oil-replenishing device for an oiling process, and relates to the field of dry-jet wet-spinning oiling. Background Art

[0002] Oiling agent is the main auxiliary agent for producing high-performance PAN precursor and carbon fiber. It forms a uniform film on the surface of the monofilament, which can not only prevent the adhesion and doubling between the monofilaments, but also prevent the friction and wear between the carbon fiber surface and the roller during the production process, thereby effectively avoiding defects on the fiber surface. It is one of the effective technical measures to improve the performance of precursor and carbon fiber. During the production process, the oiling agent in the oil tank will demulsify. After demulsification, the oiling agent will easily turn into grease. If it is not cleaned or filtered in time, it will lead to the accumulation of grease and impurities. In addition, the oiling agent in the oil tank will be taken away by the fibers during production, so that the concentration of the oiling agent in the tank will gradually change with the increase of time. Both will affect the oiling effect and the final product quality. Therefore, it is necessary to ensure the cleanliness of the oil tank and the concentration of the oiling agent in the tank during the production process.

[0003] Most of the filters currently used are basket filters. The oil is recirculated into the oil tank after passing through the filter. Although this filter has a good filtering effect, the disadvantage is that it cannot be cleaned and replaced during production operations. If the production time is long, the filter may become clogged, causing the oil tank process to not operate normally. During the production process, the concentration of the oil tank is generally a process parameter that needs to be controlled. The conventional oil replenishment method is mostly manual oil replenishment using a measuring cylinder. This method lacks timeliness and accuracy. The oil tank concentration will fluctuate before and after oil replenishment, affecting the consistency of the produced products. The use of this device can perform filtration, sewage discharge and oil replenishment without affecting normal production, avoiding the occurrence of abnormal situations and improving the stability of production operations and oil tank concentration. Utility Model Content

[0004] The utility model aims to provide a filtering and oil replenishing device for an oiling process.

[0005] The technical solutions provided to achieve the purpose of this utility model are as follows:

[0006] A filtering and oil replenishing device for an oiling process comprises a filtering kettle, an operating door, an observation window, a baffle, a filter cartridge, a sewage pipe, a sewage valve, a peristaltic pump, a hose, an oil replenishing hole, an air blowing coil, and a drain outlet.

[0007] The utility model is suitable for the dry-jet wet-spinning oiling process. The device can filter the oil stains in the oil tank without affecting normal production, thereby ensuring the cleanliness of the oil agent during the production process, and continuously replenishing the oil to ensure the stability of the oil tank concentration, thereby improving the stability of the production and oiling process.

[0008] The filtering kettle that can be further provided is a 316L stainless steel storage tank with an inner diameter of 50 to 80 cm and a height of 70 to 100 cm.

[0009] The operating door that can be further set up is a hand-pull operating door, and the inner door frame of the operating door is insulated and sealed with silicone.

[0010] An operating door that can be further set up is required to be set at the top of the filter kettle, and its length is required to be two-thirds of the inner diameter of the storage tank, and its width is required to be one-half of the inner diameter of the storage tank.

[0011] An observation window that can be further set up is required to be set in the center of the operating door, with the length and width both being half the size of the operating door, and the material is organic glass with a thickness of 3 to 5 mm.

[0012] The baffle that can be further provided is a 304 stainless steel baffle with a thickness of 2 cm, which is connected to the filter cartridge to support the filter cartridge while ensuring that the oil agent enters the filter cartridge for filtration.

[0013] The filter cartridges are further configured in four layers, welded together from four different-sized sections. Each layer is made of 304 stainless steel cylindrical barrels. The inner diameter requirements are: the inner diameter of the first filter cartridge is half the inner diameter of the filter kettle; the inner diameter of the second filter cartridge is two-thirds that of the first; the inner diameter of the third filter cartridge is two-thirds that of the second; and the inner diameter of the fourth filter cartridge is two-thirds that of the third.

[0014] The first three filter cartridges can be configured without screens at the top or bottom, allowing impurities to accumulate downward. The first filter cartridge is required to have a 50-mesh mesh; the second filter cartridge is 100-mesh; the third filter cartridge is 500-mesh; and the fourth filter cartridge is not equipped with a screen. Except for the top of the fourth filter cartridge, which connects to the third filter cartridge, its curved surface and bottom are sealed.

[0015] A sewage pipe may be further provided to connect to the fourth filter cartridge and pass outside the kettle body, and the length outside the kettle body is required to be ≥150 cm.

[0016] The sewage pipe that can be further set up is a transparent organic glass sewage pipe with a diameter of DN100, which is convenient for observing the accumulation of oil and dirt.

[0017] The sewage valve that can be further set is a transparent PVC manual ball valve.

[0018] The peristaltic pump flow rate requirement that can be further set is ≥500ml / min.

[0019] The hose that can be further provided is a PVC hose with a diameter ≥ DN20.

[0020] The diameter of the oil replenishment hole that can be further set is 2 cm.

[0021] The air blowing coil that can be further set up is a 304 stainless steel air blowing coil with a pipe diameter of DN30. Several holes with a hole diameter of φ3 and a spacing of 10mm are opened on the pipe. It is connected to the compressed air pipeline and can be opened to assist in cleaning the grease in the kettle when production is suspended.

[0022] The diameter of the drain outlet that can be further set is ≥ DN25, and the drain outlet is a PVC drain outlet, which is mainly used for drainage when cleaning the device.

[0023] The advantages of the oiling process filtering and oil replenishing device of the utility model are: 1. It can filter and clean the oil stains without affecting the normal production; 2. The equipment is simple and easy to use; 3. It can enhance the stability of the oiling process in the production process. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural diagram of the present utility model.

[0025] 1. Filter kettle; 2. Operating door; 3. Observation window; 4. Baffle; 5. Filter cartridge; 6. Drain pipe; 7. Drain valve; 8. Peristaltic pump; 9. Hose; 10. Oil filling hole; 11. Compressed air pipe; 12. Air coil; 13. Drain outlet.

[0026] Figure 2 Schematic diagram of the filter cartridge structure. DETAILED DESCRIPTION

[0027] The present invention will be further described with reference to the following embodiments (with accompanying drawings):

[0028] The utility model provides a filtering and oil replenishing device for the oiling process. The device includes

[0029] Filter kettle 1; an operating door 2 is provided on the top of the filter kettle 1; an observation window 3 is provided on the operating door 2; an oil supply hole 10 is also provided on the top of the filter kettle 1, and a hose 9 extends into the oil supply hole 10; the other end of the hose 9 is connected to the oil tank through a peristaltic pump 8; a baffle 4 is provided in the kettle body of the filter kettle 1; the baffle 4 is connected to the filter cartridge 5, supporting the filter cartridge 5 while ensuring that the oil agent enters the filter cartridge 5 for filtration; the bottom of the filter cartridge 5 is connected to a drain pipe 6 and extends out of the kettle body, and a drain valve 7 is provided on the drain pipe 6; an air blowing coil 12 is provided under the baffle 4, and the air blowing coil 12 is connected to a compressed air pipe 12 arranged outside the kettle body; a drain outlet 13 is provided at the bottom of the filter kettle 1.

[0030] Example 1

[0031] A storage tank with a height of 70 cm, an inner diameter of 30 cm and a material of 316L stainless steel is used as a filter kettle. A hand-pull operating door with a length of 20 cm and a width of 15 cm is set on the top of the kettle. Silicone is used in the inner door frame of the operating door for heat insulation and sealing. An observation window with a length of 10 cm, a width of 7.5 cm and a thickness of 3 mm is set at the center of the operating door. The material of the window is organic glass, which is convenient for observing the oil condition in the device. Four cylindrical filter cartridges are welded: the inner diameter of the first filter cartridge is 15 cm, and the mesh number of the curved surface is 50 mesh; the inner diameter of the second filter cartridge is 7.5 cm, and the mesh number of the curved surface is 100 mesh; the inner diameter of the third filter cartridge is 7.5 cm, and the mesh number of the curved surface is 100 mesh; the inner diameter of the fourth filter cartridge is 3.75 cm, and the curved surface and the bottom are both sealed. (See for details. Figure 2 ), Figure 2 In the figure, at point a, the filter cartridge is hollow from top to bottom; at point b, the curved surface of the filter cartridge is a filter screen; at point c, the bottom of one layer of the filter cartridge is fixed by sealed welding; point d is the welding point; and at point e, the fourth curved surface and the bottom of the filter cartridge are both sealed.

[0032] At a height of 40 cm, 2 cm thick 304 stainless steel baffles are installed at both ends of the reactor. These serve to secure the filter cartridges and block the oil (preventing oil and grease from entering the filter cartridges). The oil inlet must be located above the filter cartridges to ensure full access for filtration. A DN100, transparent plexiglass drain pipe is connected to the fourth filter cartridge. The drain pipe should extend 150 cm outside the reactor and be equipped with a manual valve. A 2 cm oil fill port is installed above the filter reactor. A DN20, PVC hose is connected to a peristaltic pump, serving as the oil delivery line. This oil is fed into the reactor via a feed port. The peristaltic pump's flow rate is then adjusted to continuously replenish the oil, allowing the oil tank concentration to be adjusted through circulation. A DN30, 304 stainless steel air pipe is installed below each baffle on either side of the reactor. Several holes, φ3 in diameter and spaced 10 mm apart, are drilled in the pipe, connected to a compressed air line. This can be opened during production pauses to assist in cleaning the oil from the reactor.

[0033] During production, the observation window and transparent drain pipe of the device can be used to check whether there is a lot of oil accumulation. If there is a lot of oil, the drain pipe valve can be opened to drain the oil and then closed. When the machine is stopped, the filter can be filled with water and compressed air can be turned on. The waves generated by the air blowing pipe in the water can clean the inside of the kettle. After cleaning, the oil can be discharged through the drain port.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, 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 filtering and oil replenishing device for an oiling process, characterized in that: The device includes: Filter kettle; There is an operating door on the top of the filter kettle; There is an observation window on the operating door; There is also an oil supply hole on the top of the filter kettle, and a hose is inserted into the oil supply hole; the other end of the hose is connected to the oil tank through a peristaltic pump; A baffle is provided in the body of the filter kettle; The baffle is connected to the filter cartridge, supporting the filter cartridge while ensuring that the oil enters the filter cartridge for filtration; the bottom of the filter cartridge is connected to the drain pipe, which extends out of the kettle body, and a drain valve is provided on the drain pipe; An air blowing coil is provided under the baffle, and the air blowing coil is connected to a compressed air pipe provided outside the kettle body; A drain outlet is provided at the bottom of the filter kettle.

2. The oiling process filtering and oil replenishing device according to claim 1, characterized in that: The filter kettle is a 316L stainless steel storage tank with an inner diameter of 30 to 60 cm and a height of 70 to 100 cm.

3. The oiling process filtering and oil replenishing device according to claim 1, characterized in that: The operating door is a hand-pull operating door, and the inner door frame of the operating door is insulated and sealed by silica gel; the operating door is required to be set on the top of the filter kettle, and the length is required to be two-thirds of the inner diameter of the storage tank, and the width is required to be half of the inner diameter of the storage tank.

4. The oiling process filtering and oil replenishing device according to claim 1, characterized in that: The observation window is set in the center of the operating door. Its length and width are half the size of the operating door. It is made of organic glass with a thickness of 3 to 5 mm.

5. The oil filtering and oil replenishing device according to claim 1, characterized in that: The spoiler is a 304 stainless steel spoiler with a thickness of 2 cm.

6. The oiling process filtering and oil replenishing device according to claim 1, characterized in that: The filter cartridge is divided into four layers and is welded from four parts of different sizes. Each part is a 304 stainless steel cylindrical cylinder. The inner diameters are: the inner diameter of the first layer of filter cartridge is half of the inner diameter of the filter kettle; the inner diameter of the second layer of filter cartridge is two-thirds of the first layer; the inner diameter of the third layer of filter cartridge is two-thirds of the second layer; and the inner diameter of the fourth layer of filter cartridge is two-thirds of the third layer.

7. The oiling process filtering and oil replenishing device according to claim 6, characterized in that: There are no filters on the top and bottom of the first three layers of filter cartridges, allowing impurities to accumulate downwards continuously; the mesh number of the first layer of filter cartridges is required to be 50 mesh; the mesh number of the second layer of filter cartridges is required to be 100 mesh; the mesh number of the third layer of filter cartridges is required to be 500 mesh, and the fourth layer of filter cartridges is not provided with a filter screen. The top of the fourth layer of filter cartridges is connected to the third layer of filter cartridges, and the curved surface and bottom of the fourth layer of filter cartridges are both sealed.

8. The oiling process filtering and oil replenishing device according to claim 6, characterized in that: The sewage pipe and the fourth filter cartridge are connected to the outside of the kettle body, and the length outside the kettle body is ≥150cm.

9. The oiling process filtering and oil replenishing device according to claim 8, characterized in that: The sewage pipe is made of transparent organic glass and has a diameter of DN100.

10. The oiling process filtering and oil replenishing device according to claim 1, characterized in that: The drain valve is a transparent PVC manual ball valve; the peristaltic pump flow rate is ≥500ml / min; the hose is a PVC hose with a diameter of ≥DN20; the diameter of the oil filling hole is 2cm; the air blowing coil is a 304 stainless steel air blowing coil with a diameter of DN30, and several holes are opened on the pipe with a diameter of The spacing is 8mm, connected to the compressed air pipeline, which can be opened to assist in cleaning the grease in the kettle when production is suspended; the drain outlet is a PVC drain outlet with a pipe diameter ≥ DN25, which is used for drainage when cleaning the device.

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