CN210170927U

CN210170927U - Liquid caustic soda filter equipment

Info

Publication number: CN210170927U
Application number: CN201920643918.6U
Authority: CN
Inventors: Meihua Ling; 凌美华
Original assignee: Guangzhou Juchen Chemical Co Ltd
Current assignee: Guangzhou Juchen Chemical Co Ltd
Priority date: 2019-05-04
Filing date: 2019-05-04
Publication date: 2020-03-24
Anticipated expiration: 2029-05-04

Abstract

The utility model discloses a liquid caustic soda filter equipment, including the rose box, the top of rose box is provided with sealed lid, and one side surface of rose box is provided with the gas holder, the bottom surface of rose box and gas holder all is provided with the supporting leg, the first plastic tubing of opposite side external surface fixed connection of rose box, and install first corrosion resistant motorised valve on the pipeline section of first plastic tubing, one side of sealed lid is provided with the hinge, and the opposite side of sealed lid installs the hasp, hinge and rose box swing joint are passed through to one side of sealed lid, and the opposite side of sealed lid passes through hasp and rose box looks lock joint, three vacuum pumps are installed to one side external surface fixed of rose box. The utility model discloses simple structure utilizes the flow of the change control liquid caustic soda of atmospheric pressure, has effectively avoided the easy problem of corroding of the traditional pump body, has reduced the maintenance cost, simultaneously, has made things convenient for people to change the filter screen, and the practicality is strong.

Description

Liquid caustic soda filter equipment

Technical Field

The utility model relates to a liquid caustic soda filters technical field, especially relates to a liquid caustic soda filter equipment.

Background

The liquid caustic soda is liquid sodium hydroxide, also called caustic soda and caustic soda, and the concentration of the liquid caustic soda is usually 30-32% or 40-42% due to different production processes in the existing chlor-alkali plants, and the liquid caustic soda needs to be filtered during the use process so as to remove impurities contained in the liquid caustic soda.

Current filter equipment all utilizes the pump body directly to pump caustic soda liquid into in the appointed box and filters usually, even the pump body is corrosion resistant pump, also can slowly be corroded under long-term alkaline environment, and the security performance is low, and life is short, and secondly, filter equipment's filter screen is not convenient for clear up or change, and the in-service use effect is poor, therefore, we provide a caustic soda liquid filter equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a liquid caustic soda filtering device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a liquid caustic soda filtering device comprises a filtering box, wherein a sealing cover is arranged at the top of the filtering box, a gas storage tank is arranged on the outer surface of one side of the filtering box, supporting legs are arranged on the outer surfaces of the bottom ends of the filtering box and the gas storage tank, a first plastic pipe is fixedly connected to the outer surface of the other side of the filtering box, a first corrosion-resistant electric valve is installed on the pipe section of the first plastic pipe, a hinge is arranged on one side of the sealing cover, a buckle is installed on the other side of the sealing cover, one side of the sealing cover is movably connected with the filtering box through the hinge, the other side of the sealing cover is buckled with the filtering box through the buckle, three vacuum pumps are fixedly installed on the outer surface of one side of the filtering box, a second plastic pipe is arranged at the top of the three vacuum pumps, a second corrosion-resistant electric, the utility model discloses a filter box, including the rose box, the filter box is provided with the top of filter box, the top of filter screen is provided with the handle bar, be provided with the rubber pad between rose box and the sealed lid, the chucking groove has been seted up to the surface of one side of outer frame, and the inside joint in chucking groove has the chucking pad.

Preferably, the supporting leg passes through bolt fixed mounting in the bottom of rose box and gas holder, and the quantity of bolt is a plurality of, the bottom surface of supporting leg is provided with anti-skidding line.

Preferably, rose box, sealed lid, gas holder, protruding piece and outer frame are the PVC material and make, chucking pad and sealed the pad and be made of rubber material.

Preferably, the clamping pad is fixedly connected with the sealing pad, and one side of the sealing pad, which is far away from the clamping pad, is in close contact with the inner surface of the filter box.

Preferably, the first plastic pipe, the second plastic pipe and the fourth plastic pipe are communicated with the filter box, one end, far away from the filter box, of the second plastic pipe is communicated with air inlets of the three vacuum pumps, air outlets of the three vacuum pumps are communicated with the air storage tank through the third plastic pipe, and the volume of the filter box is smaller than that of the air storage tank.

Preferably, the input ends of the first corrosion-resistant electric valve, the three vacuum pumps, the second corrosion-resistant electric valve and the third corrosion-resistant electric valve are electrically connected with the output end of the external power supply.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in through setting up gas holder, three vacuum pumps, second plastic tubing, second corrosion resistant motorised valve and third plastic tubing, utilize three vacuum pumps to fill the gas in the gas holder into or take the rose box out repeatedly, the atmospheric pressure change through controlling in the rose box controls the inside that the caustic soda liquid enters into the rose box, has avoided the easy problem of corroding of the traditional pump body, and the security is good, and use cost is low.

2. The utility model discloses in through setting up sealed lid, hinge, hasp, protruding piece, outer frame, handle bar, rubber pad, chucking groove, chucking pad and sealed the pad, make things convenient for people to change the filter screen, its easy operation, the in-service use is effectual.

To sum up, the utility model discloses utilize the flow of the change control liquid caustic soda of atmospheric pressure, effectively avoided the easy problem of corroding of the traditional pump body, reduced the maintenance cost, simultaneously, made things convenient for people to change the filter screen, the practicality is strong.

Drawings

Fig. 1 is a schematic view of the overall structure of a liquid caustic soda filtering device according to the present invention;

fig. 2 is a partial cross-sectional view of an outer frame of a liquid caustic soda filter device according to the present invention.

In the figure: the device comprises a filter box 1, a sealing cover 2, an air storage tank 3, supporting legs 4, a first plastic pipe 5, a first corrosion-resistant electric valve 6, a hinge 7, a hasp 8, a vacuum pump 9, a second plastic pipe 10, a second corrosion-resistant electric valve 11, a third plastic pipe 12, a fourth plastic pipe 13, a third corrosion-resistant electric valve 14, a convex block 15, an outer frame 16, a filter screen 17, a handle rod 18, a rubber pad 19, a clamping groove 20, a clamping pad 21 and a sealing pad 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a liquid caustic soda filtering device comprises a filtering box 1, a sealing cover 2 is arranged at the top of the filtering box 1, a gas storage tank 3 is arranged on the outer surface of one side of the filtering box 1, supporting legs 4 are arranged on the outer surfaces of the bottom ends of the filtering box 1 and the gas storage tank 3, a first plastic pipe 5 is fixedly connected with the outer surface of the other side of the filtering box 1, a first corrosion-resistant electric valve 6 is arranged on the pipe section of the first plastic pipe 5, a hinge 7 is arranged on one side of the sealing cover 2, a buckle 8 is arranged on the other side of the sealing cover 2, one side of the sealing cover 2 is movably connected with the filtering box 1 through the hinge 7, the other side of the sealing cover 2 is buckled with the filtering box 1 through the buckle 8, three vacuum pumps 9 are fixedly arranged on the outer surface of one side of the filtering box 1, a second plastic pipe 10, the bottom of the three vacuum pumps 9 is provided with a third plastic pipe 12, the bottom of one side of the filter box 1 is fixedly connected with a fourth plastic pipe 13, a third corrosion-resistant electric valve 14 is installed on a pipe section of the fourth plastic pipe 13, a protruding block 15 is fixed on the inner surface of the filter box 1, an outer frame 16 is arranged at the upper end of the protruding block 15, a filter screen 17 is installed on the outer frame 16, a handle rod 18 is fixedly connected to the center of the top of the filter screen 17, a rubber pad 19 is arranged between the filter box 1 and the sealing cover 2, a clamping groove 20 is formed in the outer surface of one side of the outer frame 16, a clamping pad 21 is clamped inside the clamping groove 20, and a sealing pad 22 is arranged.

The support legs 4 are fixedly installed at the bottoms of the filter box 1 and the gas storage tank 3 through bolts, the number of the bolts is a plurality, anti-skid grains are arranged on the outer surface of the bottom end of each support leg 4, the filter box 1, the sealing cover 2, the gas storage tank 3, the protruding block 15 and the outer frame 16 are made of PVC materials, the clamping pad 21 and the sealing pad 22 are made of rubber materials, the clamping pad 21 and the sealing pad 22 are fixedly connected, one side, away from the clamping pad 21, of the sealing pad 22 is in close contact with the inner surface of the filter box 1, the first plastic pipe 5, the second plastic pipe 10 and the fourth plastic pipe 13 are communicated with the filter box 1, one end, away from the filter box 1, of the second plastic pipe 10 is communicated with gas inlets of three vacuum pumps 9, gas outlets of the three vacuum pumps 9 are communicated with the gas storage tank 3 through the third plastic pipe 12, the, The input ends of the three vacuum pumps 9, the second corrosion-resistant electric valve 11 and the third corrosion-resistant electric valve 14 are electrically connected with the output end of the external power supply.

The working principle is as follows: when the device is used, one end of the first plastic pipe 5, which is far away from the filter box 1, is placed into the caustic soda liquid and fixed, the first corrosion-resistant electric valve 6 and the second corrosion-resistant electric valve 11 are opened, the third corrosion-resistant electric valve 14 is closed, the three vacuum pumps 9 are started, gas in the filter box 1 is pumped into the gas storage tank 3 through the second plastic pipe 10 and the third plastic pipe 12, along with the reduction of the gas pressure in the filter box 1, the caustic soda liquid enters the filter box 1 along the first plastic pipe 5 under the action of external atmospheric pressure, the caustic soda liquid entering the filter box 1 enters the bottom of the filter box 1 after being filtered through the filter screen 17, when the liquid level of the caustic soda liquid is higher than two thirds of the filter box 1, the three vacuum pumps 9 are controlled to run reversely, the gas in the gas storage tank 3 is pumped into the filter box 1 again, and then the first corrosion-resistant electric valve 6 and the second corrosion-resistant electric valve 11 are closed, open third corrosion resistant motorised valve 14, caustic soda after the filtration gets rid of through fourth plastic tubing 13, when needs change filter screen 17, directly utilize hasp 8 to open sealed lid 2, hold tight handle bar 18 again, directly pull out filter screen 17 can, supporting leg 4 is used for supporting rose box 1 and gas holder 3, and chucking groove 20 is used for chucking pad 21, prevents that sealed pad 22 from droing at the friction in-process, the utility model discloses simple structure utilizes the flow of the change control caustic soda liquid of atmospheric pressure, has effectively avoided the easy problem of corroding of the traditional pump body, has reduced the maintenance cost, simultaneously, has made things convenient for people to change filter screen 17, and the practicality is strong.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The liquid caustic soda filtering device comprises a filtering box (1) and is characterized in that a sealing cover (2) is arranged at the top of the filtering box (1), a gas storage tank (3) is arranged on the outer surface of one side of the filtering box (1), supporting legs (4) are arranged on the outer surfaces of the bottom ends of the filtering box (1) and the gas storage tank (3), a first plastic pipe (5) is fixedly connected to the outer surface of the other side of the filtering box (1), a first corrosion-resistant electric valve (6) is installed on the pipe section of the first plastic pipe (5), a hinge (7) is arranged on one side of the sealing cover (2), a buckle (8) is installed on the other side of the sealing cover (2), one side of the sealing cover (2) is movably connected with the filtering box (1) through the hinge (7), and the other side of the sealing cover (2) is buckled with the filtering box (, the vacuum filter is characterized in that three vacuum pumps (9) are fixedly mounted on the outer surface of one side of the filter box (1), the tops of the three vacuum pumps (9) are provided with second plastic pipes (10), second corrosion-resistant electric valves (11) are mounted on pipe sections of the second plastic pipes (10), third plastic pipes (12) are arranged at the bottoms of the three vacuum pumps (9), a fourth plastic pipe (13) is fixedly connected to the bottom of one side of the filter box (1), a third corrosion-resistant electric valve (14) is mounted on the pipe sections of the fourth plastic pipe (13), a protruding block (15) is fixed on the inner surface of the filter box (1), an outer frame (16) is arranged at the upper end of the protruding block (15), a filter screen (17) is mounted on the outer frame (16), a handle rod (18) is fixedly connected to the center of the top of the filter screen (17), and a rubber pad (19) is arranged between the filter box (1) and, the outer surface of one side of outer frame (16) has seted up chucking groove (20), and the inside joint in chucking groove (20) has chucking pad (21), one side of outer frame (16) is provided with sealed pad (22).

2. The liquid caustic soda filtering device is characterized in that the supporting legs (4) are fixedly arranged at the bottoms of the filtering box (1) and the gas storage tank (3) through bolts, the number of the bolts is several, and the outer surfaces of the bottom ends of the supporting legs (4) are provided with anti-skidding threads.

3. The caustic soda filter unit according to claim 1, wherein said filter box (1), said sealing cover (2), said gas container (3), said protruding block (15) and said external frame (16) are made of PVC, and said clamping pad (21) and said sealing pad (22) are made of rubber.

4. The caustic soda filtering device according to claim 1, characterized in that the clamping pad (21) is fixedly connected with the sealing pad (22), and one side of the sealing pad (22) far away from the clamping pad (21) is tightly contacted with the inner surface of the filtering box (1).

5. The caustic soda filtering device according to claim 1, wherein the first plastic pipe (5), the second plastic pipe (10) and the fourth plastic pipe (13) are all communicated with the filtering tank (1), one end of the second plastic pipe (10) far away from the filtering tank (1) is communicated with an air inlet of the three vacuum pumps (9), an air outlet of the three vacuum pumps (9) is communicated with the air storage tank (3) through the third plastic pipe (12), and the volume of the filtering tank (1) is smaller than that of the air storage tank (3).

6. The caustic soda filter unit according to claim 1, wherein the input ends of the first corrosion-resistant electric valve (6), the three vacuum pumps (9), the second corrosion-resistant electric valve (11) and the third corrosion-resistant electric valve (14) are electrically connected to the output end of an external power supply.