Cleaning device for filtering silicone oil filter bag
By designing a filter bag cleaning device for silicone oil filtration, which utilizes nitrogen purging, pressure filtration, acid washing, water washing, and drying, the problems of non-reusable filter bags and chemical cleaning agent contamination are solved. This enables the reuse of filter bags and multiple recycling of silicone oil, reducing production costs and pollution.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2026-03-27
AI Technical Summary
The filter bags in existing filtration devices cannot be reused, and the chemical cleaning agents used for cleaning create waste liquid pollution, increasing cleaning costs.
A filter bag cleaning device for silicone oil is designed, comprising a bag filter, a filter press, an acid washer, a water washer, a dryer, a phase separator, and a waste oil tank. The device achieves the reuse of filter bags and the multiple recovery of silicone oil through nitrogen purging, filter pressing, acid washing, water washing, and drying.
This technology enables the reuse of filter bags, reducing production costs, and reduces pollution and improves production efficiency by repeatedly recycling silicone oil and treating waste liquid.
Smart Images

Figure CN224040327U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to filter bag cleaning equipment technical field, specifically, relate to a kind of filtering silicone oil filter bag cleaning device. BACKGROUND
[0002] Silicone oil produced by organic silicon has many special properties, such as high and low temperature resistance, oxidation resistance, good insulation, small surface tension, no corrosion to metal and other excellent properties, and impurities exist in silicone oil during production and filtration, which affects the color and quality of silicone oil. In the current organic silicon industry competition, product quality and production cost are very important, so precise filtration is needed during silicone oil production and filtration.
[0003] The existing filter device basically uses micron-level filter bag (PP\PE) for filtration, and the filter bag cannot be reused after use, and there is a lot of silicone oil on the filter bag, which has high processing cost. At present, the cleaning method of the filter bag usually uses chemical cleaning agent for cleaning, but chemical cleaning agent cleaning can form a lot of waste liquid, and direct discharge of waste liquid can cause pollution, so the waste liquid needs to be treated again, which increases the cleaning cost of the filter bag. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of filtering silicone oil filter bag cleaning device, which can reuse filter bag, and recycle silicone oil as much as possible to reduce production running cost.
[0005] The utility model is realized by the following technical solutions:
[0006] A kind of filtering silicone oil filter bag cleaning device, including bag filter, filter press, pickling device, water washer, dryer, phase separator and waste oil tank, the filter bag is arranged in the bag filter, nitrogen purging pipeline and waste oil removal pipeline are connected to the bag filter, the outlet of the water washer is communicated with the inlet of the phase separator, the inlet of the waste oil tank is communicated with the outlet of the filter press and the phase separator respectively.
[0007] Further, the pickling device is connected with acid liquid pipeline, the other end of the acid liquid pipeline is connected with hydrochloric acid storage tank, and flow regulating valve is arranged on the acid liquid pipeline.
[0008] Further, the water washer is connected with clean water pipeline, the other end of the clean water pipeline is connected with water tank, and water amount regulating valve is arranged on the clean water pipeline.
[0009] Further, valve is arranged on the waste oil removal pipeline, and the waste oil removal pipeline is connected with the inlet of the waste oil tank.
[0010] Further, the outlet of the waste oil tank is connected with silicone oil production system through silicone oil pipeline.
[0011] Further, the filter silicon oil filter bag cleaning device further comprises a filter residue cleaner, the filter residue cleaner comprises a cleaner body, a storage rack is arranged in the cleaner body, and a vibrator is arranged at the bottom of the storage rack.
[0012] Further, a silicon residue outlet is arranged on the cleaner body, and the silicon residue outlet is connected with the incineration system through a silicon residue pipeline.
[0013] Further, the dryer comprises a box body, a rotating disc and support rods are arranged in the box body, the support rods are annularly and uniformly distributed on the surface of the rotating disc, a rotating motor is connected with the rotating disc through a rotating shaft at the bottom of the rotating disc, and a hot air pipeline is connected with the top of the box body.
[0014] The technical scheme of the utility model has at least the following advantages and beneficial effects:
[0015] In the utility model, the filter bag in the bag filter is first purged by nitrogen blowing, so that the silicon oil on the filter bag is discharged from the waste oil pipeline, and the silicon oil is preliminarily recovered. Then, the filter bag is pressed and filtered by using a filter press, the silicon oil in the filter bag is pressed and filtered into the waste oil tank, and the silicon oil is secondarily recovered. Then, the filter bag is cleaned by using an acid washing device, so that the residual silicon gel on the filter bag is fully decomposed into silicon oil, then the filter bag is washed with clean water in a water washing device, after washing, the filter bag is again pressed and filtered by using the filter press, the filter bag and the silicon oil containing acid water are separated, the silicon oil containing acid water is separated by using a phase separator, and the separated silicon oil is discharged into the waste oil tank, so that the silicon oil is thirdly recovered. The filter bag after being pressed and filtered can be cleaned with water in the water washing device, then be pressed and filtered in the filter press, be dried by using the dryer, and the clean and reusable filter bag is obtained. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as a limitation to the scope, and for the ordinary skilled in the art, other related drawings can also be obtained without creative labor according to these drawings.
[0017] Fig. 1 It is a structure schematic view of the filter silicon oil filter bag cleaning device provided for the embodiment 1 of the utility model.
[0018] Fig. 2 It is a structure schematic view of the filter residue cleaner provided for the embodiment 1 of the utility model.
[0019] Fig. 3 It is a structure schematic view of the dryer provided for the embodiment 1 of the utility model.
[0020] Icon: 1-bag filter, 2-filter press, 3-filter residue cleaner, 4-acid washing device, 5-water washing device, 6-drying device, 7-phase separator, 8-waste oil tank, 9-nitrogen purging pipeline, 10-waste oil removal pipeline, 11-valve, 12-hydrochloric acid storage tank, 13-acid liquid pipeline, 14-flow regulating valve, 15-water tank, 16-water pipeline, 17-water volume regulating valve, 18-silicon residue pipeline, 19-incineration system, 20-hydrolysis reaction system, 21-cleaner body, 22-stand, 23-vibrator, 24-silicon residue outlet, 25-box body, 26-rotating disc, 27-supporting rod, 28-rotating motor, 29-hot air pipeline. DETAILED DESCRIPTION
[0021] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the following will be a clear and complete description of the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.
[0022] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.
[0023] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0024] In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship of the product of the application when it is usually placed, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application.
[0025] In the description of the utility model, still need explaining, unless another explicit provision and limitation, if appearing term " setting " " install " " link " " connect " should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through the intermediate medium, can be two elements inside the intercommunication. For ordinary skilled person in the art, can understand the specific meaning of the above-mentioned term in the utility model according to specific circumstances.
[0026] Embodiment 1
[0027] As Figs. 1-3 shown, the present embodiment provides a kind of filtering silicone oil filter bag cleaning device, including bag filter 1, filter press 2, pickler 4, water washer 5, dryer 6, phase separator 7 and waste oil tank 8, the filter bag is equipped in the bag filter 1, nitrogen purging pipeline 9 and waste oil removal pipeline 10 are connected on the bag filter 1, the outlet of the water washer 5 is communicated with the inlet of the phase separator 7, the inlet of the waste oil tank 8 is communicated with the outlet of the filter press 2 and the phase separator 7 respectively.
[0028] Nitrogen purging is used to first purging the filter bag in bag filter 1, so that the silicone oil on the filter bag is discharged from waste oil removal pipeline 10, to realize the primary recovery of silicone oil.Then using filter press 2 to filter the filter bag, the silicone oil in the filter bag is filtered to waste oil tank 8, to realize the secondary recovery of silicone oil.Again using pickler 4 to clean the filter bag, so that the residual silicone gel on the filter bag is fully decomposed into silicone oil, then washing with clean water in water washer 5, after washing, the filter bag is again filtered using filter press 2, to separate the filter bag from the silicone oil containing acid water, the silicone oil containing acid water is separated by phase separator 7, and the silicone oil is discharged to the waste oil tank, to realize the third recovery of silicone oil.The filter bag after filtration can be washed with water in water washer 5, then filtered in filter press 2, dried using dryer 6, to obtain clean and reusable filter bag.The acid water separated by phase separator 7 can be returned to hydrolysis reaction system 20 for hydrolysis with water.
[0029] In the specific embodiment of the present embodiment, the pickler 4 is connected with an acid liquid pipeline 13, the other end of the acid liquid pipeline 13 is connected with a hydrochloric acid storage tank 12, and a flow regulating valve 14 is arranged on the acid liquid pipeline 13. The flow regulating valve 14 can be used to control the amount of hydrochloric acid, so as to acid wash the filter bag and improve the acid washing effect.
[0030] In the specific embodiment of the present embodiment, the water washer 5 is connected with a clean water pipeline 16, the other end of the clean water pipeline 16 is connected with a water tank 15, and a water amount regulating valve 17 is arranged on the clean water pipeline 16. The water amount regulating valve 17 can be used to control the amount of clean water, so as to improve the washing effect of the filter bag.
[0031] In the embodiment, the waste oil removal pipeline 10 is provided with a valve 11, and the waste oil removal pipeline 10 is connected with the inlet of the waste oil tank 8. Preferably, the filter press 2 is provided with an outlet one and an outlet two, the outlet one is connected with the inlet of the waste oil tank 8 through a pipeline one, and the outlet two is connected with the inlet of the phase separator 7 through a pipeline two. In addition, the pipelines connecting the water washer 5 and the phase separator 7, the phase separator 7 and the waste oil tank 8, and the waste oil tank 8 and the filter press 2 are also provided with valves 11. The silicone oil obtained by the bag filter 1, the filter press 2 and the phase separator 7 is collected into the waste oil tank 8, so that the silicone oil can be conveniently recycled.
[0032] In the embodiment, the outlet of the waste oil tank 8 is connected with a silicone oil production system through a silicone oil pipeline. The silicone oil production system is a silicone oil production system of a silicone production workshop, so that the silicone oil can be conveniently recycled, and the production cost of the silicone oil is reduced.
[0033] In the embodiment, the filter silicone oil filter bag cleaning device further comprises a filter residue cleaner 3, and the filter residue cleaner 3 comprises a cleaner body 21, and the cleaner body 21 is internally provided with a storage rack 22, and the bottom of the storage rack 22 is provided with a vibrator 23. The filter residue cleaner 3 can clean the silicone residue on the filter bag, and the cleaning effect of the filter bag is improved. In use, the filter bag treated by the filter press 2 is placed on the storage rack 22 in the cleaner body 21, the vibrator 23 is started, the storage rack 22 is vibrated by the vibrator 23, so that the filter bag is vibrated, the silicone residue on the filter bag is shaken off, and the silicone residue on the filter bag is cleaned.
[0034] In the embodiment, the cleaner body 21 is provided with a silicone residue outlet 24, and the silicone residue outlet 24 is connected with a incineration system 19 through a silicone residue pipeline 18. The cleaned silicone residue is transferred to the incineration system 19 through the silicone residue pipeline 18, and the processing efficiency of the silicone residue is improved.
[0035] In the embodiment, the dryer 6 comprises a box body 25, a rotating disc 26 and support rods 27 are arranged in the box body 25, the support rods 27 are annularly and uniformly distributed on the surface of the rotating disc 26, a rotating motor 28 is connected with the bottom of the rotating disc 26 through a rotating shaft, and a hot air pipeline 29 is connected with the top of the box body 25. In use, the filter bag is sleeved on the support rods 27, hot air is introduced into the box body 25 through the hot air pipeline 29, and the filter bag is dried by the hot air. In the drying process, the rotating disc 26 is driven to rotate by the rotating motor 28, so that the support rods 27 drive the filter bag to rotate, the filter bag can be uniformly heated, and the drying effect and the drying speed are improved.
[0036] The working principle of the filter silicone oil filter bag cleaning device is as follows:
[0037] Step one: first open the nitrogen (0.3MPa) blowing pipe 9 of the bag filter 1, and open the valve on the waste oil pipeline 10, continuously blowing the filter bag in the bag filter 2 with nitrogen for more than 2 hours;
[0038] Step two: take the filter bag after step one to the filter press 2, and press filter the silicone oil in the filter bag to the waste oil tank 8;
[0039] Step three: transfer the filter bag after step two to the filter residue cleaner 3, place the filter bag on the shelf 22 inside the cleaner body 21, start the vibrator 23, and vibrate the shelf 22 by the vibrator 23, so that the filter bag vibrates, the silicone residue on the filter bag falls off, and the silicone residue is cleaned in the filter bag, and the silicone residue is discharged from the silicone residue outlet 24 on the cleaner body 21 and transferred to the incineration system 19 through the silicone residue pipeline 18;
[0040] Step four: send the filter bag after step three to the pickling tank 4, open the flow regulating valve 14, and send the hydrochloric acid in the hydrochloric acid storage tank 12 to the pickling tank 4 through the acid liquid pipeline 13, so that the hydrochloric acid fully washes the filter bag, and the residual silicone gel on the filter bag is fully decomposed into silicone oil; then transfer the filter bag to the water washer 5, open the water quantity regulating valve 17, and send the clean water in the water tank 15 to the water washer 5 through the clean water pipeline 16, and then wash the filter bag with the clean water, and then transfer the filter bag to the filter press 2 for pressure filtration, and separate the filter bag from the silicone oil containing acid water;
[0041] Step five: send the filter bag after step four to the water washer 5 again, wash with water, then transfer to the filter press 2 for pressure filtration, and then transfer to the dryer 6, put the filter bag on the support rod 27, send hot air into the box 25 through the hot air pipeline 29, start the rotating motor 28 to drive the rotating disc 26 to move, and drive the support rod 27 on the rotating disc 26 to rotate, and then dry the filter bag with hot air to obtain a clean new filter bag.
[0042] Step six: send the silicone oil containing acid water in the filter press 2 and the water washer 5 to the phase separator 7, and then the silicone oil is discharged to the waste oil tank 8, the silicone oil in the waste oil tank 8 is returned to the silicone oil production system, and the acid water is returned to the hydrolysis reaction system 20 for hydrolysis and water addition.
[0043] The above is only a preferred embodiment of the present application, and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A filter silicon oil filter bag cleaning device, characterized by: The device comprises a bag filter, a filter press, an acid washing device, a water washing device, a drying device, a phase separator and a waste oil tank, the bag filter is internally provided with a filter bag, the bag filter is connected with a nitrogen blowing pipeline and a waste oil removal pipeline, the outlet of the water washing device is communicated with the inlet of the phase separator, and the inlet of the waste oil tank is communicated with the outlet of the filter press and the phase separator.
2. The filtered silicone oil filter bag cleaning apparatus of claim 1, wherein, The acid washing device is connected with an acid liquid pipeline, the other end of the acid liquid pipeline is connected with a hydrochloric acid storage tank, and a flow regulating valve is arranged on the acid liquid pipeline.
3. The filtered silicone oil filter bag cleaning apparatus of claim 1, wherein, The water washing device is connected with a clean water pipeline, the other end of the clean water pipeline is connected with a water tank, and a water amount regulating valve is arranged on the clean water pipeline.
4. The filtered silicone oil filter bag cleaning apparatus of claim 1, wherein, A valve is arranged on the waste oil removal pipeline, and the waste oil removal pipeline is connected with the inlet of the waste oil tank.
5. The filtered silicone oil filter bag cleaning apparatus of claim 1, wherein, The outlet of the waste oil tank is connected with a silicone oil production system through a silicone oil pipeline.
6. The filtered silicone oil filter bag cleaning apparatus of claim 1, wherein, The filter silicone oil filter bag cleaning device further comprises a filter residue cleaner, the filter residue cleaner comprises a cleaner body, an object holder is arranged in the cleaner body, and a vibrator is arranged at the bottom of the object holder.
7. The filtered silicone oil filter bag cleaning apparatus of claim 6, wherein, A silicon residue outlet is arranged on the cleaner body, and the silicon residue outlet is connected with a incineration system through a silicon residue pipeline.
8. The filtered silicone oil filter bag cleaning apparatus of claim 1, wherein, The drying device comprises a box body, a rotating disc and support rods are arranged in the box body, the support rods are annularly and uniformly distributed on the surface of the rotating disc, a rotating motor is connected with the rotating disc through a rotating shaft at the bottom of the rotating disc, and a hot air pipeline is connected with the top of the box body.