Filtering device for silica sol production

Abstract

The utility model relates to the technical field of filtering, in particular to a filtering device for silica sol production, which comprises a shell, a feeding pipe mounted on the surface of the upper end of the shell, a pressure pump mounted on the feeding pipe, and a discharging pipe mounted on the surface of the lower end of the shell; a backwashing pipe is arranged above the filter pipe, and a pressure gauge is mounted above the filter pipe; the silica sol filtering device has the beneficial effects that silica sol can be conveyed into the filtering pipe in the shell through the feeding pipe, is filtered through the filtering pipe and then is discharged through the discharging pipe, and the pressure pump continuously works in the filtering process to increase the pressure of the silica sol to a certain level, so that the silica sol can overcome the resistance in the filtering process; the silica sol can smoothly penetrate through the filter pipe, the filtering efficiency is improved, meanwhile, the pressure gauge is installed above the filter pipe, the pressure inside the filter pipe can be detected in real time, and therefore the problem that the silica sol filtering efficiency is low is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter technical field, concretely is a kind of filter device for silica sol production. BACKGROUND

[0002] The main role of silica sol filter device is to remove impurities and large particle substances generated in the production process, to ensure the purity and stability of the product. Through multi-stage filtration system, it can effectively filter out undissolved silicon dioxide particles, metal ions and other pollutants, thereby improving the quality of silica sol.

[0003] In the prior art, the traditional silica sol filter device is mainly composed of a filter bin, a filter plate, an inlet pipe and an outlet pipe. During operation, silica sol enters the filter bin from the inlet pipe, passes through the multi-layer filter plate to remove impurities, and the purified sol is discharged through the outlet pipe, ensuring the purity and quality stability of the product.

[0004] However, the traditional silica sol filter device has the problem of low filtration efficiency when used, because the silica sol has a certain viscosity, and the silica sol is subjected to a large resistance when passing through the filter screen, which reduces the filtration efficiency. Therefore, the utility model provides a filter device for silica sol production to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a filter device for silica sol production to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an outer shell, a feed pipe installed on the upper end surface of the outer shell, a pressure pump installed on the feed pipe, an outlet pipe installed on the lower end surface of the outer shell;

[0007] A filter pipe is provided with a backwashing pipe above it, and a pressure gauge is installed above the filter pipe.

[0008] Preferably, the outer shell is in the form of a cylindrical body, and a support foot is fixedly installed at the bottom of the outer shell. The support foot is fixedly installed on the surface of a support plate, and a plurality of mounting plates are fixedly installed on the surfaces of both ends of the support plate. An outer inlet hole is formed in the upper surface of the outer shell, and an outer outlet hole is formed directly below the outer inlet hole. A plurality of fixed frames are installed on the outer wall surface of the outer shell.

[0009] Preferably, the fixed frames are installed equidistantly on the upper end surface of the outer shell in a circumferential direction, and holes are formed in both ends of the fixed frames. A connecting rod is arranged in the holes, and a fixing member is sleeved on the surface of the connecting rod. The fixing member can rotate on the surface of the connecting rod, and is clamped in the fixed frame. A fixing screw is fixedly installed on the surface of the fixing member, and a fixing sleeve is externally screwed to one end of the fixing screw.

[0010] Preferably, the filter tube is in a cylindrical structure as a whole, the outer wall surface of the filter tube is matched with the inner wall surface of the shell, the upper surface of the outer wall of the filter tube is provided with an inner feeding hole, the inner feeding hole is opposite to the outer feeding hole, the lower surface of the outer wall of the filter tube is provided with an inner discharging hole, the inner discharging hole is opposite to the outer discharging hole, a plurality of filter plates are fixedly connected in the filter tube and located between the inner discharging hole and the inner feeding hole, and a positioning plate is fixedly installed at the top end of the filter tube.

[0011] Preferably, the positioning plate is in a plate structure as a whole, a pressure gauge is fixedly installed on the surface of the positioning plate, a plurality of limiting grooves are circumferentially and equidistantly arranged on the surface of the positioning plate, a fixing screw can be clamped into the limiting groove, a hole is formed in the surface of the positioning plate, a backwashing pipe is fixedly installed above the hole, and a cover is screwed on the backwashing pipe.

[0012] Preferably, the feeding pipe is fixedly installed in the outer feeding hole close to one end of the shell, a pressurizing pump is fixedly installed on the feeding pipe, a connector pipe is fixedly installed at the other end of the feeding pipe, a discharging pipe is installed below the feeding pipe, and the discharging pipe is fixedly installed in the outer discharging hole close to one end of the shell.

[0013] Compared with the prior art, the filter device for producing silica sol has the following beneficial effects:

[0014] The filter device for producing silica sol provided by the utility model can convey silica sol into the filter tube in the shell through the feeding pipe, filter the silica sol through the filter tube and then discharge the silica sol through the discharging pipe, the pressurizing pump continuously works to increase the pressure of the silica sol to a certain level so that the silica sol can smoothly pass through the filter tube and the filtering efficiency is improved, and the pressure gauge installed above the filter tube can detect the pressure in the filter tube in real time, thereby avoiding the problem of low filtering efficiency of the silica sol. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural schematic diagram of the utility model;

[0016] Fig. 2 It is an overall structure explosion diagram of the utility model structure;

[0017] Fig. 3 It is an overall structure schematic diagram of the shell structure of the utility model;

[0018] Fig. 4 It is an internal structure schematic diagram of the utility model structure.

[0019] In the figure: 1, the shell; 2, feed pipe; 3, pressurizing pump; 4, discharge pipe; 5, filter pipe; 6, backwash pipe; 7, pressure gauge; 8, support foot; 9, mounting plate; 10, fixed frame; 11, connecting rod; 12, fixing piece; 13, fixed screw; 14, fixed sleeve; 15, inner inlet hole; 16, inner discharge hole; 17, filter plate; 18, limiting groove; 19, interface pipe; 20, positioning plate. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme of the utility model to carry out clearly, complete description, and the advantage is more clear and distinct, the following combining with the figure to the utility model embodiment carries out further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, instead of all the embodiments, only to explain the embodiment of the utility model, and is not used to limit the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor are within the scope of the utility model protection.

[0021] Embodiment one: please refer to Figs. 1 to 4 The utility model provides a technical scheme: a kind of filter device for silica sol production, the filter device for silica sol production includes: shell 1, feed pipe 2 is installed on the upper end surface of shell 1, pressurizing pump 3 is installed on feed pipe 2, discharge pipe 4 is installed on the lower end surface of shell 1;

[0022] Filter pipe 5, backwash pipe 6 is provided above filter pipe 5, pressure gauge 7 is installed above filter pipe 5;

[0023] When using, silica sol can be transported to filter pipe 5 in shell 1 by feed pipe 2, filtered by filter pipe 5 and then discharged by discharge pipe 4, and pressurizing pump 3 works continuously during filtering, so that the pressure of silica sol is increased to a certain level, which can overcome the resistance in the filtering process, so that silica sol can smoothly pass through filter pipe 5, and the filtering efficiency is increased, and pressure gauge 7 is installed above filter pipe 5, which can detect the internal pressure of filter pipe 5 in real time, so as to avoid the problem of low filtering efficiency of silica sol.

[0024] Example two: on the basis of example one in order to improve the overall filtering efficiency is provided with the feed pipe 2, feed pipe 2 near the end of the fixed installation in the outer inlet hole, feed pipe 2 fixed installation has a pressurizing pump 3, feed pipe 2 the other end of the fixed installation has a connector pipe 19, feed pipe 2 installation has a discharge pipe 4, discharge pipe 4 near the end of the fixed installation in the outer discharge hole; The overall shell 1 is cylindrical structure, the bottom of the shell 1 is fixedly installed with support foot 8, support foot 8 is fixedly installed on the surface of the support plate, the surface of the support plate is fixedly installed with a plurality of mounting plates 9, the upper surface of the shell 1 is provided with an outer inlet hole, the lower surface of the outer inlet hole is provided with an outer discharge hole, and the outer wall surface of the shell 1 is provided with a plurality of fixed frames 10; When filtering, the pressure of the pressurizing pump 3 is increased to a certain level, so that it can overcome the resistance in the filtering process, so that it can smoothly and efficiently pass through the filter plate 17, thereby improving the filtering efficiency and ensuring the filtering quality.

[0025] Example three: on the basis of example two in order to facilitate the use of fixed frame 10, fixed frame 10 is circumferentially installed on the upper end surface of the shell 1, the both ends of the fixed frame 10 are provided with holes, the connecting rod 11 is arranged in the hole, the connecting rod 11 is provided with a fixing piece 12, the fixing piece 12 can rotate on the surface of the connecting rod 11, the fixing piece 12 is clamped in the fixed frame 10, the fixing screw 13 is fixedly installed on the surface of the fixing piece 12, and the fixed sleeve 14 is externally screwed with the one end of the fixing screw 13; The filter pipe 5 is in the form of a cylindrical structure, the outer wall surface of the filter pipe 5 is fitted with the inner wall surface of the shell 1, the upper surface of the outer wall of the filter pipe 5 is provided with an inner inlet hole 15, the inner inlet hole 15 is opposite to the outer inlet hole, the lower surface of the outer wall of the filter pipe 5 is provided with an inner discharge hole 16, the inner discharge hole 16 is opposite to the outer discharge hole, a plurality of filter plates 17 are fixedly connected in the filter pipe 5, the filter plates 17 are located between the inner discharge hole 16 and the inner inlet hole 15, and the positioning plate 20 is fixedly installed at the top end of the filter pipe 5; In use, the operator can place the limiting groove 18 provided on the surface of the positioning plate 20 above the fixed frame 10, and at the same time rotate the fixing screw 13 to make it clamped in the limiting groove 18, and then threadedly connect the fixing screw 13 and the fixed sleeve 14, so as to be fixedly installed in the shell 1. If the filter pipe 5 needs to be replaced later, only need to rotate the fixed sleeve 14 and rotate the fixing screw 13, so that the fixing screw 13 is separated from the limiting groove 18, so as to disassemble the filter pipe 5, which is convenient to use.

[0026] The positioning plate 20 is in a plate structure as a whole, the pressure gauge 7 is fixedly installed on the surface of the positioning plate 20, a plurality of limiting grooves 18 are arranged at equal intervals in the circumference and are arranged on the surface of the positioning plate 20, the fixing screw 13 can be clamped into the limiting groove 18, the hole is arranged on the surface of the positioning plate 20, the backwashing pipe 6 is fixedly installed above the hole, the sealing cover is screwed on the outside of the backwashing pipe 6; if the filter pipe 5 needs to be cleaned, the backwashing pipe 6 can be opened, the feeding pipe 2 is closed and the discharging pipe 4 is opened at the same time, then the cleaning liquid is poured into the backwashing pipe 6, so that the filter pipe 5 is cleaned, the filter hole is prevented from being blocked, and the cleaning liquid is discharged from the discharging pipe 4, so that the cleaning of the inside of the device is facilitated.

[0027] Working principle: in actual use, the silica sol can be conveyed into the filter pipe 5 in the shell 1 through the feeding pipe 2, filtered through the filter pipe 5 and discharged through the discharging pipe 4, the pressure pump 3 continuously works in the filtering process, the pressure of the silica sol is increased to a certain level, the silica sol can smoothly pass through the filter pipe 5 and the filtering efficiency is increased, and the pressure gauge 7 installed above the filter pipe 5 can detect the internal pressure of the filter pipe 5 in real time, so that the problem that the filtering efficiency of the silica sol is low is avoided.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A filter device for the production of silica sol, characterized by: The silica sol production filtering device, including: a shell (1), the upper end surface of the shell (1) is provided with a feeding pipe (2), the feeding pipe (2) is provided with a pressure pump (3), the lower end surface of the shell (1) is provided with a discharging pipe (4); A filter pipe (5) is provided with a backwashing pipe (6) above, and a pressure gauge (7) is installed above the filter pipe (5).

2. The filtering device for producing a silica sol according to claim 1, characterized in that: The shell (1) is in a cylindrical structure as a whole, and a supporting leg (8) is fixedly installed at the bottom of the shell (1), the supporting leg (8) is fixedly installed on the surface of a supporting plate, a plurality of mounting plates (9) are fixedly installed on the both end surfaces of the supporting plate, an outer inlet hole is formed in the upper surface of the shell (1), an outer outlet hole is formed directly below the outer inlet hole, and a plurality of fixed frames (10) are installed on the outer wall surface of the shell (1).

3. The filtering device for producing a silica sol according to claim 2, characterized in that: The fixed frame (10) is circumferentially and equidistantly installed on the upper end surface of the shell (1), holes are formed in the both ends of the fixed frame (10), a connecting rod (11) is arranged in the hole, a fixing member (12) is sleeved on the surface of the connecting rod (11), the fixing member (12) can rotate on the surface of the connecting rod (11), the fixing member (12) is clamped in the fixed frame (10), a fixed screw rod (13) is fixedly installed on the surface of the fixing member (12), and a fixed sleeve (14) is externally screwed on one end of the fixed screw rod (13).

4. The filtering device for producing a silica sol according to claim 1, characterized in that: The filter pipe (5) is in a cylindrical structure as a whole, the outer wall surface of the filter pipe (5) is matched with the inner wall surface of the shell (1), an inner inlet hole (15) is formed in the upper surface of the outer wall of the filter pipe (5), the inner inlet hole (15) is directly opposite to the outer inlet hole, an inner outlet hole (16) is formed in the lower surface of the outer wall of the filter pipe (5), the inner outlet hole (16) is directly opposite to the outer outlet hole, a plurality of filter plates (17) are fixedly connected in the filter pipe (5), the filter plates (17) are located between the inner outlet hole (16) and the inner inlet hole (15), and a positioning plate (20) is fixedly installed at the top end of the filter pipe (5).

5. The filtering device for producing a silica sol according to claim 4, characterized in that: The positioning plate (20) is in a plate structure as a whole, the pressure gauge (7) is fixedly installed on the surface of the positioning plate (20), a plurality of limiting grooves (18) are circumferentially and equidistantly arranged on the surface of the positioning plate (20), the fixed screw rod (13) can be clamped into the limiting groove (18), a hole is formed in the surface of the positioning plate (20), the backwashing pipe (6) is fixedly installed directly above the hole, and the backwashing pipe (6) is externally screwed with a cover.

6. The filtering device for producing a silica sol according to claim 1, characterized in that: The feeding pipe (2) is fixedly installed in the outer inlet hole close to one end of the shell (1), the pressure pump (3) is fixedly installed on the feeding pipe (2), the interface pipe (19) is fixedly installed at the other end of the feeding pipe (2), the discharging pipe (4) is installed directly below the feeding pipe (2), and the discharging pipe (4) is fixedly installed in the outer outlet hole close to one end of the shell (1).

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