Separating and filtering equipment for processing tetraethoxysilane
By combining filters, molecular sieves, nitrogen tubes, and centrifuge cylinders, the clogging and purity issues caused by hydrolysis reactions in existing equipment are solved, achieving efficient solvent separation and purity improvement.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGXI YANXUN SILICON MATERIALS CO LTD
- Filing Date
- 2025-03-31
- Publication Date
- 2026-04-10
AI Technical Summary
Existing tetraethyl orthosilicate separation and filtration equipment cannot effectively prevent hydrolysis reactions, leading to silicic acid clogging of the device and affecting solvent purity. Furthermore, existing equipment cannot effectively improve filtration efficiency and solvent purity.
The filter screen is used for initial filtration, combined with the adsorption of water molecules by a molecular sieve with a conical inner wall. Moisture is removed by a nitrogen pipe and a gas pump. The filter is further separated by an inverted conical plate and a centrifuge cylinder. Baffles are set to prevent impurities from clogging the filter, thereby improving filtration efficiency and purity.
It effectively prevents hydrolysis reactions, reduces the production of silicic acid and ethanol, prevents clogging, improves solvent purity and filtration efficiency, and ensures high-purity solvent output.
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Figure CN224100210U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the separation filtering technical field, especially a kind of separation filtering equipment for processing orthosilicate. BACKGROUND
[0002] The existing orthosilicate separation filtering equipment is to increase the filtering effect of solvent, remove the impurities in orthosilicate, which will use multi-stage filtering components to use different filtering components for different impurities to increase the filtering effect, but cannot reduce the hydrolysis reaction of orthosilicate, ethanol produced by hydrolysis will affect the purity of solvent, and silicic acid produced by hydrolysis will block the device, which needs to be cleaned frequently, such as a kind of separation filtering equipment for processing orthosilicate disclosed in Chinese patent, with application number CN202420371008.8, which removes ethanol and other organic impurities and metal ion impurities in the solvent through the first filter and the second filter in the filtering assembly, so that the workers get orthosilicate solvent with higher purity, but cannot reduce the hydrolysis reaction of orthosilicate, and silicic acid produced in the hydrolysis reaction is easy to block the device, which needs to be cleaned and replaced frequently, and ethanol produced by hydrolysis also affects the purity of solvent. SUMMARY
[0003] The utility model aims at least to solve one of the technical problems existing in the prior art, provide a kind of separation filtering equipment for processing orthosilicate, filter screen is provided to preliminarily filter solvent, and water molecules in solvent are adsorbed by molecular sieve with conical inner side wall below filter screen, nitrogen pipe, gas pump and purging frame are cooperated to exclude moisture in the air inside the equipment, prevent hydrolysis reaction of solvent to produce silicic acid and ethanol, prevent silicic acid from blocking the equipment, and ethanol affects the purity of solvent, inverted conical plate is provided below molecular sieve, solvent is introduced into centrifuge cylinder to separate and filter solvent, baffle is provided at the bottom end of centrifuge cylinder to block impurities, prevent impurities from blocking the inner side wall of centrifuge cylinder, improve filtering efficiency, and further increase the purity of solvent.
[0004] The utility model also provides a kind of separating filter equipment for tetraethyl orthosilicate processing with above-mentioned, comprising: tank body, the tank body upper surface is connected with feed hopper, the tank body top is provided with condenser pipe, the tank body side surface is connected with nitrogen pipe, the tank body inboard is fixedly connected with filter plate, the filter plate is directly below being provided with molecular sieve;Centrifugal motor, the centrifugal motor output is fixedly connected with centrifugal shaft, the centrifugal shaft side surface is fixedly connected with centrifugal cylinder, the centrifugal cylinder upper surface is rotatably connected with conical plate. By above component, it is set with filter screen to solvent is primarily filtered, and molecular sieve adsorption moisture in solvent is set with inboard that is conical in filter screen below, cooperate nitrogen pipe, gas pump and purge frame to exclude equipment internal air humidity, prevent solvent hydrolysis reaction to produce silicic acid and ethanol, prevent silicic acid from plugging equipment, and ethanol influences solvent purity, setting has inverted conical plate below molecular sieve, solvent is guided into centrifugal cylinder interior and is separated to solvent, setting has baffle to block impurity in centrifugal cylinder bottom end, prevent impurity from blocking centrifugal cylinder inboard, improve filtering efficiency, and further increase solvent purity.
[0005] According to the separating filter equipment for tetraethyl orthosilicate processing, the condenser pipe end is connected with a cold water pipe, and the nitrogen pipe is internally provided with a gas delivery pump. Through the above components, it is convenient to inject cold water into the condenser pipe and inject nitrogen into the tank body.
[0006] According to the separating filter equipment for tetraethyl orthosilicate processing, the tank body side surface is fixedly connected with a pump frame, and the pump frame upper surface is fixedly connected with the gas delivery pump. Through the above components, the gas delivery pump is supported, so that the gas delivery pump can be supported and operated.
[0007] According to the separating filter equipment for tetraethyl orthosilicate processing, the molecular sieve is set as an inverted conical shape, and the molecular sieve side surface is fixedly connected with the tank body inboard. Through the above components, the flow path of the solvent on the surface of the molecular sieve is increased, so that the molecular sieve can adsorb more water molecules and reduce the hydrolysis reaction of the solvent.
[0008] According to the separating filter equipment for tetraethyl orthosilicate processing, the centrifugal motor is fixedly connected with the tank body bottom end, and the centrifugal shaft bottom end is rotatably connected with the tank body bottom end. Through the above components, the centrifugal motor is supported, so that the centrifugal shaft can be normally rotated.
[0009] According to the separating filter equipment for tetraethyl orthosilicate processing, the conical plate is fixedly connected with a support plate inside, and the centrifugal shaft top end is rotatably connected with the support plate lower surface. Through the above components, the centrifugal shaft rotation is supported, so that the centrifugal shaft can be normally rotated.
[0010] The utility model discloses a kind of tetraethyl orthosilicate with the separation filtering equipment of processing, the conical plate side surface is fixedly connected with jar body inner side wall, the centrifugal cylinder bottom end is fixedly connected with baffle. Through the above components, the solvent is introduced into the centrifugal cylinder, and the impurities are blocked at the bottom end of the centrifugal cylinder to prevent the centrifugal cylinder side wall from being blocked.
[0011] The utility model discloses a kind of tetraethyl orthosilicate with the separation filtering equipment of processing, the centrifugal cylinder side surface and bottom end are equipped with a plurality of liquid leakage holes, and the jar body bottom end is communicated with liquid outlet pipe.Through the above components, the solvent is spun out of the centrifugal cylinder, and the liquid outlet is facilitated. Beneficial effects
[0012] Compared with the prior art, the utility model, which is provided with a filter screen to preliminarily filter the solvent, and a molecular sieve with a conical inner side wall is arranged below the filter screen to adsorb water molecules in the solvent, cooperates with a nitrogen pipe, a gas conveying pump and a purge frame to remove moisture in the air inside the equipment, prevents the solvent from undergoing hydrolysis reaction to generate silicic acid and ethanol, prevents the silicic acid from blocking the equipment, and prevents the ethanol from affecting the purity of the solvent, an inverted conical plate is arranged below the molecular sieve to guide the solvent into the centrifugal cylinder to separate and filter the solvent, a baffle is arranged at the bottom end of the centrifugal cylinder to block the impurities, prevents the impurities from blocking the inner side wall of the centrifugal cylinder, improves the filtering efficiency, and further increases the purity of the solvent. BRIEF DESCRIPTION OF DRAWINGS
[0013] The utility model will be further described below in conjunction with the drawings and examples;
[0014] Figure 1 It is the whole structure schematic diagram of the utility model tetraethyl orthosilicate with the separation filtering equipment of processing;
[0015] Figure 2 It is the overhead structure schematic diagram of the utility model tetraethyl orthosilicate with the separation filtering equipment of processing;
[0016] Figure 3 It is the front cross section structure schematic diagram of the utility model tetraethyl orthosilicate with the separation filtering equipment of processing;
[0017] Figure 4 It is the utility model tetraethyl orthosilicate with the separation filtering equipment of processing Figure 3 Structure schematic diagram of place A.
[0018] Legend:
[0019] 1, jar body;2, feed hopper;3, condenser pipe;4, nitrogen pipe;5, filter plate;6, molecular sieve;7, centrifugal motor;8, centrifugal shaft;9, centrifugal cylinder;10, conical plate;11, cold water pipe;12, gas conveying pump;13, pump frame;14, support plate;15, baffle;16, liquid outlet pipe. DETAILED DESCRIPTION
[0020] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with figures, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as a limitation on the protection scope of the present application.
[0021] Referring to Figures 1-4 , the utility model discloses a kind of tetraethyl orthosilicate is separated and filtered by processing equipment, comprising: tank 1, tetraethyl orthosilicate solution is loaded, tank 1 side surface is fixedly connected with pump frame 13, for the support of gas transfer pump 12, the upper surface of pump frame 13 is fixedly connected with gas transfer pump 12, so that gas transfer pump 12 can work normally, tank 1 upper surface is communicated with feed hopper 2, it is convenient to inject solvent into tank 1 inside, tank 1 top is provided with condenser tube 3, and the floating tetraethyl orthosilicate of volatilization is condensed, condenser tube 3 end is communicated with cold water pipe 11, it is convenient to inject cold water into condenser tube 3 inside, tank 1 side surface is communicated with nitrogen tube 4, nitrogen is input for tank 1 inside, and moisture is discharged from tank 1 to reduce the hydrolysis reaction of solvent, nitrogen tube 4 is provided with gas transfer pump 12 inside, and nitrogen is input into tank 1 inside, tank 1 inboard is fixedly connected with filter plate 5, and the impurity in solvent is preliminarily filtered, filter plate 5 is provided with molecular sieve 6 directly below, and water molecule in solvent is adsorbed, to reduce the hydrolysis reaction of solvent, molecular sieve 6 is provided as inverted conical shape, increase the flow path of solvent on the surface of molecular sieve 6, increase the adsorption amount of water molecule of molecular sieve 6, the inboard of tank 1 is fixedly connected with the side surface of molecular sieve 6, and tank 1 bottom end is communicated with liquid outlet pipe 16, to facilitate the output of solvent;
[0022] Centrifugal motor 7 provides power for the rotation of centrifugal shaft 8, centrifugal motor 7 is fixedly connected with the bottom end of tank 1, and power is transmitted, centrifugal motor 7 output end is fixedly connected with centrifugal shaft 8, and centrifugal cylinder 9 is driven to rotate, the bottom end of centrifugal shaft 8 is rotatably connected with the bottom end of tank 1, and support plate 14 provides support for the rotation of centrifugal shaft 8, centrifugal shaft 8 side surface is fixedly connected with centrifugal cylinder 9, and pure solvent is thrown out, so that it is separated from impurities, a plurality of liquid leakage holes are formed in the side surface and bottom end of centrifugal cylinder 9, centrifugal cylinder 9 bottom end is fixedly connected with baffle 15, and impurities are blocked to prevent impurities from blocking the inboard of centrifugal cylinder 9, conical plate 10 is rotatably connected with the upper surface of centrifugal cylinder 9, and solvent is introduced into the inside of centrifugal cylinder 9, the inboard of conical plate 10 is fixedly connected with support plate 14, and support plate 14 provides support for the rotation of centrifugal shaft 8 in cooperation with the bottom end of tank 1, and centrifugal shaft 8 top end is rotatably connected with the lower surface of support plate 14.
[0023] Working principle: when using the device, the nitrogen gas in the nitrogen pipe 4 is injected into the inside of the tank body 1 by the air supply pump 12, the air containing moisture in the inside of the tank body 1 is discharged, the hydrolysis reaction occurring in the solvent separation and filtration process is reduced, the tetraethyl orthosilicate solvent is injected into the inside of the tank body 1 by the feeding hopper 2, the impurities in the solvent are preliminarily filtered by the filter plate 5, the solvent falls to the surface of the molecular sieve 6 by gravity, the solvent flows on the surface of the conical molecular sieve 6, so that the water molecules in the solvent are adsorbed by the molecular sieve 6, the hydrolysis reaction of the solvent is reduced, the produced silicic acid and ethanol prevent the silicic acid from blocking the device and reduce the purity of the tetraethyl orthosilicate, the solvent adsorbing the water molecules by the molecular sieve 6 flows into the inside of the centrifugal cylinder 9 through the conical plate 10, the centrifugal motor 7 is started to rotate the centrifugal shaft 8 to drive the centrifugal cylinder 9 to rotate, so that the centrifugal cylinder 9 separates the impurities and the solvent, the solvent is thrown out of the centrifugal cylinder 9, the purity of the solvent is further improved, and the baffle 15 is arranged at the bottom end of the centrifugal cylinder 9, the impurities are blocked at the bottom end of the centrifugal cylinder 9, and the impurities are prevented from blocking the side wall of the centrifugal cylinder 9, at this time, the solvent can be discharged from the tank body 1 through the liquid outlet pipe 16.
[0024] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.
Claims
1. A separation filtration apparatus for processing of tetraethyl orthosilicate, characterized by, Include: The tank (1), the tank (1) upper surface is communicated with the feed hopper (2), the tank (1) top is provided with condenser pipe (3), the tank (1) side surface is communicated with nitrogen pipe (4), the tank (1) inside wall is fixedly connected with filter plate (5), the filter plate (5) is provided below molecular sieve (6); Centrifugal motor (7), the centrifugal motor (7) output is fixedly connected with centrifugal shaft (8), the centrifugal shaft (8) side surface is fixedly connected with centrifugal cylinder (9), the centrifugal cylinder (9) upper surface is rotatably connected with conical plate (10).
2. A processed separation filtration apparatus for tetraethyl orthosilicate according to claim 1, wherein The condenser pipe (3) end is communicated with cold water pipe (11), the nitrogen pipe (4) is provided with gas pump (12) inside.
3. A processed separation filtration apparatus for tetraethyl orthosilicate as claimed in claim 1, wherein, The tank (1) side surface is fixedly connected with pump frame (13), the pump frame (13) upper surface is fixedly connected with gas pump (12).
4. The processed separation filtration apparatus for tetraethyl orthosilicate according to claim 1, characterized by, The molecular sieve (6) is provided as an inverted cone, the molecular sieve (6) side surface is fixedly connected with the tank (1) inside wall.
5. The apparatus for separating and filtering processed tetraethyl orthosilicate according to claim 1, wherein The centrifugal motor (7) is fixedly connected with the tank (1) bottom end, the centrifugal shaft (8) bottom end is rotatably connected with the tank (1) bottom end.
6. A processed separation filtration apparatus for tetraethyl orthosilicate as claimed in claim 1, wherein, The conical plate (10) is fixedly connected with support plate (14) inside, the centrifugal shaft (8) top end is rotatably connected with support plate (14) lower surface.
7. A processed separation filtration apparatus for tetraethyl orthosilicate according to claim 1, wherein The conical plate (10) side surface is fixedly connected with the tank (1) inside wall, the centrifugal cylinder (9) bottom end is fixedly connected with baffle (15).
8. A processed separation filtration apparatus for tetraethyl orthosilicate according to claim 1, wherein The centrifugal cylinder (9) side surface and bottom end are provided with a plurality of liquid leakage holes, the tank (1) bottom end is communicated with liquid outlet pipe (16).
Citation Information
Patent Citations
Separating and filtering equipment for processing tetraethoxysilane
CN221846164U