Silica sol low-pressure concentration device convenient to operate

Abstract

The utility model discloses a silica sol low-pressure concentration device convenient to operate, which comprises a control assembly, a feeding assembly, a low-pressure concentration tank assembly and a low-pressure concentration assembly, the upper end of the control assembly is fixedly connected with the feeding assembly, and the lower end of the feeding assembly is in threaded connection with the low-pressure concentration tank assembly. The interior of the low-pressure concentration tank assembly is in sliding connection with a low-pressure concentration assembly. The low-pressure concentration device is characterized by further comprising a control assembly; the rear end of the display controller is fixedly connected with the material conveying pipe; the front end and the upper end of the centrifugal pump are fixedly connected with the material conveying pipe; the upper end of the material conveying pipe is fixedly connected with the upper cover; the adjusting tank is fixedly connected to the rear end of the display controller; by arranging the control assembly capable of pretreating and diluting the silica sol or adjusting the pH value, the device can be used for pretreating and diluting the silica sol or adjusting the pH value, so that the concentration and viscosity of the silica sol are ensured to meet the treatment requirements of an ultrafiltration membrane, and subsequent processing is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of bio -chemical industry, specifically a kind of silicon sol low-pressure concentration device convenient to operate. BACKGROUND

[0002] Silica solution (English name: Silica solution) belongs to colloidal solution, odorless, nontoxic.Silica solution is the dispersion liquid of nanoscale silicon dioxide particles in water or solvent.SiO2 In the silica sol contains a large amount of water and hydroxyl group, so silica sol can also be described as SiO2.nH2O, there are different ways to prepare silica sol.The most commonly used method includes ion exchange method, silicon powder one-step hydrolysis method, silane hydrolysis method, etc., and silica sol needs low-pressure concentration device for processing during processing.

[0003] For example, (authorized announcement number CN220370785U) the low-pressure concentration device for preparing silica sol described in the prior art, including pressurized feed pipe, concentration box, discharge pipe and discharge pipe, the pressurized feed pipe is connected at the top of concentration box, the discharge pipe is installed on the bottom surface of concentration box, the discharge pipe is installed on the bottom surface of concentration box and located on the side of discharge pipe, low-pressure separation concentration structure is provided on the concentration box.

[0004] The above device concentrates and collects target product through flow separation assembly, which avoids the problem that the separation membrane is damaged due to the large pressure on one side of the separation membrane caused by the deposition of silica sol at the bottom layer due to gravity when silica sol is suspended, but the above device does not have a device for pretreating, diluting or adjusting the pH value of silica sol, so that the above device cannot ensure the concentration and viscosity of silica sol to meet the processing requirements of ultrafiltration membrane and is not convenient for subsequent processing. UTILITY MODEL CONTENTS

[0005] Therefore, in order to solve the above problems, the utility model provides a kind of silicon sol low-pressure concentration device convenient to operate.

[0006] The utility model discloses a kind of silicon sol low-pressure concentration devices convenient to operate, which is achieved as follows, the device includes control assembly, feed assembly, low-pressure concentration tank assembly, low-pressure concentration assembly, the control assembly upper end is fixedly connected with feed assembly, the feed assembly lower end is threadedly connected with low-pressure concentration tank assembly, it is slidably connected in low-pressure concentration tank assembly with low-pressure concentration assembly, it is characterized by: it further includes control assembly;Display controller, the display controller rear end is fixedly connected with feed pipe;Centrifugal pump, the centrifugal pump front end and upper end are fixedly connected with feed pipe;Feed pipe, the feed pipe upper end is fixedly connected with upper cover;Adjusting jar, the adjusting jar is fixedly connected in display controller rear end;Sealing cover, the sealing cover is rotatably connected on adjusting jar upper end;Injection pipe, the injection pipe is fixedly connected on sealing cover upper end;Motor, the motor is also fixedly connected on sealing cover upper end;Stirring fan blade, the stirring fan blade is rotatably connected on sealing cover lower end, the stirring fan blade upper end is fixedly connected with motor lower end driving shaft.

[0007] Preferably, the feed assembly includes; upper cover, the upper cover is slidably connected on low-pressure concentration tank upper end;Observation window, the observation window is fixedly connected on upper cover upper end;Threaded groove, the threaded groove is arranged on upper cover lower end and low-pressure concentration tank upper end;Screw, the screw is threadedly connected on low-pressure concentration tank upper end by threaded groove through upper cover;Compression ring, the compression ring is arranged on upper cover lower end;Liquid distribution plate, the liquid distribution plate is fixedly connected on upper cover lower end.

[0008] Preferably, the low-pressure concentration tank assembly includes; low-pressure concentration tank, the low-pressure concentration tank is slidably connected with rubber sealing ring plate in;Transudate discharge pipe, the transudate discharge pipe is fixedly connected in low-pressure concentration tank middle part;First electromagnetic valve, the first electromagnetic valve is fixedly connected in transudate discharge pipe middle part;Support frame, the support frame is fixedly connected on low-pressure concentration tank lower end;Concentrate discharge pipe, the concentrate discharge pipe is fixedly connected on low-pressure concentration tank lower end;Second electromagnetic valve, the second electromagnetic valve is fixedly connected in concentrate discharge pipe middle part.

[0009] Preferably, the low-pressure concentration assembly includes; epoxy resin end cover, the epoxy resin end cover upper end is slidably connected with upper cover lower end compression ring, the epoxy resin end cover is also slidably connected in low-pressure concentration tank;Center tube, the center tube upper end is fixedly connected with epoxy resin end cover;Permeation hole, the permeation hole is arranged on center tube;Rubber sealing ring plate, the rubber sealing ring plate upper end is fixedly connected with center tube;Hollow ultrafiltration membrane silk, the hollow ultrafiltration membrane silk upper end is fixedly connected with epoxy resin end cover, the hollow ultrafiltration membrane silk lower end is fixedly connected with rubber sealing ring plate, the hollow ultrafiltration membrane silk middle part is fixedly connected with center tube;Through groove, the through groove is arranged in hollow ultrafiltration membrane silk;Stainless steel net bag, the stainless steel net bag upper end is also fixedly connected with epoxy resin end cover, the stainless steel net bag lower end is also fixedly connected with rubber sealing ring plate.

[0010] Preferably, the lower end of the feed pipe is fixedly connected with the adjusting tank.

[0011] Preferably, the screws are arranged in four groups and are arranged at the lower end of the upper cover.

[0012] Preferably, the stainless steel mesh bag is fixedly connected with the hollow ultrafiltration membrane wire at the middle portion.

[0013] The silicon sol low-pressure concentration device provided by the utility model has the following advantages compared with the same type of equipment:

[0014] The silicon sol low-pressure concentration device has the control assembly for pretreating, diluting or adjusting the pH value of the silicon sol, so that the device can pretreat, dilute or adjust the pH value of the silicon sol to ensure that the concentration and viscosity of the silicon sol meet the processing requirements of the ultrafiltration membrane and facilitate subsequent processing. BRIEF DESCRIPTION OF DRAWINGS

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

[0016] Fig. 2 is a structural schematic view of the control assembly of the utility model;

[0017] Fig. 3 is a structural schematic view of the feed assembly of the utility model;

[0018] Fig. 4 is a structural schematic view of the low-pressure concentration tank assembly of the utility model;

[0019] Fig. 5 is a structural schematic view of the low-pressure concentration assembly of the utility model.

[0020] The control assembly-1, display controller-11, centrifugal pump-12, feed pipe-13, adjusting tank-14, closed cover-15, material injection pipe-16, motor-17, stirring fan blade-18, feed assembly-2, upper cover-21, observation window-22, threaded groove-23, screw-24, pressing ring-25, liquid separation plate-26, low-pressure concentration tank assembly-3, low-pressure concentration tank-31, permeate discharge pipe-32, first electromagnetic valve-33, support frame-34, concentrated liquid discharge pipe-35, second electromagnetic valve-36, low-pressure concentration assembly-4, epoxy resin end cover-41, center tube-42, penetration hole-43, rubber sealing ring plate-44, hollow ultrafiltration membrane wire-45, through groove-46, stainless steel mesh bag-47. DETAILED DESCRIPTION

[0021] The following will be described in combination with the accompanying Figs. 1-5The principles and features of the present application are described, the examples are used to explain the present application, and are not intended to limit the scope of the present application. In the following paragraphs, the present application is described in more detail with reference to the accompanying drawings. The advantages and features of the present application will be more apparent from the following description. It should be noted that the drawings are greatly simplified and use non-precise proportions, only to facilitate, clearly assist in explaining the purpose of the embodiments of the present application.

[0022] It should be noted that when a component is referred to as being "fixed" to another component, it can be directly on the other component or there can be intervening components. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or there can be intervening components. When a component is referred to as being "disposed" on another component, it can be directly on the other component or there can be intervening components. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0024] Embodiment one:

[0025] Please refer to Figs. 1-5 The utility model discloses a low pressure concentration device of silica sol convenient operation, including control assembly 1, feed assembly 2, low pressure concentration jar assembly 3, low pressure concentration assembly 4, control assembly 1 upper end with feed assembly 2 fixed connection, feed assembly 2 lower end with low pressure concentration jar assembly 3 screw connection, low pressure concentration jar assembly 3 with low pressure concentration assembly 4 sliding connection, its characterized in that: still including control assembly 1, display controller 11 rear end with feed pipe 13 fixed connection, centrifugal pump 12 front end and upper end with feed pipe 13 fixed connection, feed pipe 13 upper end with upper cover 21 fixed connection, adjust jar 14 fixed connection in display controller 11 rear end, enclosed lid 15 rotationally connected on adjust jar 14 upper end, injection pipe 16 fixed connection on enclosed lid 15 upper end, motor 17 also fixed connection on enclosed lid 15 upper end, motor 17 starts and can electrically agitating fan blade 18 rotation, agitating fan blade 18 rotationally connected on enclosed lid 15 lower end, agitating fan blade 18 upper end with motor 17 lower end drive shaft fixed connection, feed pipe 13 lower end with adjust jar 14 fixed connection,

[0026] The feeding assembly 2, the upper cover 21 is slidably connected to the upper end of the low-pressure concentration tank 31, the observation window 22 is fixedly connected to the upper end of the upper cover 21, the threaded groove 23 is arranged at the lower end of the upper cover 21 and the upper end of the low-pressure concentration tank 31, the screw 24 is screwed through the threaded groove 23 to be connected to the upper end of the low-pressure concentration tank 31 through the upper cover 21, the pressing ring 25 is arranged at the lower end of the upper cover 21, the pressing ring 25 can prevent untreated silica sol from entering the gap of the epoxy resin end cover 41 after being in contact with the epoxy resin end cover 41, and the liquid distribution plate 26 is fixedly connected to the lower end of the upper cover 21; four sets of screws 24 are arranged at the lower end of the upper cover 21.

[0027] The low-pressure concentration tank assembly 3, the low-pressure concentration tank 31 is slidably connected to the rubber sealing ring plate 44, the through liquid discharge pipe 32 is fixedly connected to the middle part of the low-pressure concentration tank 31, the first electromagnetic valve 33 is fixedly connected to the middle part of the through liquid discharge pipe 32, the through liquid in the low-pressure concentration tank 31 can be discharged through the through liquid discharge pipe 32 after the first electromagnetic valve 33 is started, the support frame 34 is fixedly connected to the lower end of the low-pressure concentration tank 31, the concentrated liquid discharge pipe 35 is fixedly connected to the lower end of the low-pressure concentration tank 31, and the second electromagnetic valve 36 is fixedly connected to the middle part of the concentrated liquid discharge pipe 35.

[0028] The utility model provides a kind of silica sol low-pressure concentration device of convenient operation by improvement, and its working principle is as follows:

[0029] First, when using the device, first place the device in the working area, then connect the device to an external power source, which can provide the required electrical energy for the operation of the device.

[0030] Second, when using the device, silica sol and reagents for dilution or pH adjustment can be input into the adjusting tank 14 through the feeding pipe 16, then the motor 17 is started by the display controller 11, and the motor 17 is started to rotate the electric stirring fan blade 18 to stir and mix the silica sol and reagents for dilution or pH adjustment, then the centrifugal pump 12 is started, and the pretreated silica sol in the adjusting tank 14 is transported into the low-pressure concentration tank 31 through the feeding pipe 13 after the centrifugal pump 12 is started, and the pretreated silica sol is contacted with the liquid distribution plate 26 to be branched for low-pressure concentration processing.

[0031] Example Two:

[0032] Please refer to Figs. 1-5The utility model discloses a low pressure concentration device of silica sol convenient to operation, compared with embodiment one, this embodiment still includes: low pressure concentration subassembly 4, epoxy resin end cover 41 upper end and upper cover 21 lower end pressure ring 25 sliding connection, epoxy resin end cover 41 also sliding connection in low pressure concentration jar 31, the upper end of central tube 42 and epoxy resin end cover 41 fixed connection, permeation hole 43 is located on central tube 42, the upper end of rubber seal ring plate 44 and central tube 42 fixed connection, the upper end of hollow ultrafiltration membrane silk 45 and epoxy resin end cover 41 fixed connection, the lower end of hollow ultrafiltration membrane silk 45 and rubber seal ring plate 44 fixed connection, the middle part of hollow ultrafiltration membrane silk 45 and central tube 42 fixed connection, through groove 46 is located in hollow ultrafiltration membrane silk 45, the upper end of stainless steel net bag 47 also with epoxy resin end cover 41 fixed connection, the lower end of stainless steel net bag 47 also with rubber seal ring plate 44 fixed connection, the middle part of stainless steel net bag 47 and hollow ultrafiltration membrane silk 45 fixed connection.

[0033] In the embodiment,

[0034] First, when the silica sol needs to be concentrated at low pressure, the silica sol can be dropped onto the upper end of the epoxy resin end cover 41 through the distribution plate 26 and then enter the central tube 42 to contact the hollow ultrafiltration membrane silk 45 through the permeation hole 43. Due to the pressure of the pump, the solution is forced to pass through the hollow ultrafiltration membrane silk 45 to form a pressure difference. When the solution flows through the hollow ultrafiltration membrane silk 45, macromolecules or solid particles are trapped on the inside of the membrane due to the limitation of the membrane pore size, while water and small molecule substances pass through the membrane to become filtrate. The filtrate (referred to as permeate or filtrate) passing through the membrane is collected in the low pressure concentration jar 31. This part of the filtrate is the concentrated silica sol. The concentrated silica sol can be discharged from the low pressure concentration jar 31 through the permeate discharge pipe 32 by controlling the first electromagnetic valve 33 through the display controller 11. The concentrated liquid (referred to as concentrated liquid or retentate) of the silica sol solid particles mixed with water trapped on the inside of the membrane is guided to fall to the lower end of the low pressure concentration jar 31, and at the same time, the second electromagnetic valve 36 is controlled to start to discharge the silica sol at the lower end of the low pressure concentration jar 31 through the concentrated liquid discharge pipe 35. The operation of the device can be controlled by the display controller 11, so that the staff can conveniently control the device.

[0035] The utility model discloses a low pressure concentration device of silica sol convenient to operation through improvement, through setting up the control component 1 of pre -treatment dilution or adjustment pH value to silica sol, make this device can pre -treatment dilution or adjustment pH value processing to silica sol, ensure that the concentration and viscosity of silica sol are suitable for the processing requirement of ultrafiltration membrane, and subsequent processing is convenient.

[0036] The basic principle and main features of the present application and the advantages of the present application are shown and described above, and the standard parts used in the present application can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the existing technology, and the mechanical parts and equipment adopt the conventional type in the existing technology, and the circuit connection adopts the conventional connection mode in the existing technology, which will not be described in detail here.

[0037] The above description of disclosed embodiments enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A low-pressure concentration device for silica sol, which is convenient to operate, comprising a control assembly (1), a feeding assembly (2), a low-pressure concentration tank assembly (3), and a low-pressure concentration assembly (4), wherein the upper end of the control assembly (1) is fixedly connected with the feeding assembly (2), the lower end of the feeding assembly (2) is threadedly connected with the low-pressure concentration tank assembly (3), and the low-pressure concentration tank assembly (3) is slidably connected with the low-pressure concentration assembly (4) inside, characterized in that: Also include control components (1); ​ Display controller (11), the display controller (11) rear end with feed pipe (13) fixedly connected; Centrifugal pump (12), the centrifugal pump (12) front end and upper end with feed pipe (13) fixedly connected; Feed pipe (13), the upper end of the feed pipe (13) is fixedly connected with the upper cover (21); Adjusting tank (14), the adjusting tank (14) is fixedly connected to the rear end of the display controller (11); Closed cover (15), the closed cover (15) is rotatably connected to the upper end of the adjusting tank (14); Injection pipe (16), the injection pipe (16) is fixedly connected to the upper end of the closed cover (15); Motor (17), the motor (17) is also fixedly connected to the upper end of the closed cover (15); Stirring fan blade (18), the stirring fan blade (18) is rotatably connected to the lower end of the closed cover (15), and the upper end of the stirring fan blade (18) is fixedly connected with the lower end driving shaft of the motor (17).

2. A low pressure concentration device for silica sols for easy operation according to claim 1, characterized in that: The feeding assembly (2) comprises; Upper cover (21), the upper cover (21) is slidably connected to the upper end of the low-pressure concentration tank (31); Observation window (22), the observation window (22) is fixedly connected to the upper end of the upper cover (21); Screw groove (23), the screw groove (23) is arranged at the lower end of the upper cover (21) and the upper end of the low-pressure concentration tank (31); Screw (24), the screw (24) is screwed through the screw groove (23) and the upper end of the low-pressure concentration tank (31); Pressing ring (25), the pressing ring (25) is arranged at the lower end of the upper cover (21); Liquid distribution plate (26), the liquid distribution plate (26) is fixedly connected to the lower end of the upper cover (21).

3. A low pressure concentration device for silica sols that is easy to operate according to claim 1, characterized in that: The low-pressure concentration tank assembly (3) comprises; Low-pressure concentration tank (31), the low-pressure concentration tank (31) is slidably connected with the rubber sealing ring plate (44) in the tank; Permeate discharge pipe (32), the permeate discharge pipe (32) is fixedly connected to the middle part of the low-pressure concentration tank (31); First electromagnetic valve (33), the first electromagnetic valve (33) is fixedly connected to the middle part of the permeate discharge pipe (32); Support frame (34), the support frame (34) is fixedly connected to the lower end of the low-pressure concentration tank (31); Concentrated liquid discharge pipe (35), the concentrated liquid discharge pipe (35) is fixedly connected to the lower end of the low-pressure concentration tank (31); Second electromagnetic valve (36), the second electromagnetic valve (36) is fixedly connected to the middle part of the concentrated liquid discharge pipe (35).

4. A low pressure concentration device for silica sols for easy operation according to claim 1, characterized in that: The low-pressure concentration assembly (4) comprises; Epoxy resin end cover (41), the upper end of the epoxy resin end cover (41) is slidably connected with the pressing ring (25) at the lower end of the upper cover (21), and the epoxy resin end cover (41) is also slidably connected in the low-pressure concentration tank (31); Center tube (42), the upper end of the center tube (42) is fixedly connected with the epoxy resin end cover (41); Permeation hole (43), the permeation hole (43) is arranged on the center tube (42); Rubber sealing ring plate (44), the upper end of the rubber sealing ring plate (44) is fixedly connected with the center tube (42); Hollow ultrafiltration membrane wire (45), the upper end of which is fixedly connected with an epoxy resin end cover (41), the lower end of which is fixedly connected with a rubber sealing ring plate (44), and the middle part of which is fixedly connected with a center tube (42); A through groove (46) is arranged in the hollow ultrafiltration membrane wire (45); A stainless steel mesh bag (47), the upper end of which is also fixedly connected with the epoxy resin end cover (41), and the lower end of which is also fixedly connected with the rubber sealing ring plate (44).

5. A low pressure concentration device for silica sols that is easy to operate according to claim 1, characterized in that: The lower end of the material conveying pipe (13) is fixedly connected with an adjusting tank (14).

6. A low pressure concentration device for silica sols for easy operation according to claim 2, characterized in that: The screw (24) is provided with four groups, and is arranged at the lower end of the upper cover (21).

7. A low pressure concentration device for silica sols for easy operation according to claim 4, characterized in that: The middle part of the stainless steel mesh bag (47) is fixedly connected with the hollow ultrafiltration membrane wire (45).

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