CN217698028U

CN217698028U - Silica powder purification device

Info

Publication number: CN217698028U
Application number: CN202221972550.6U
Authority: CN
Inventors: 李春生; 庞祥波; 李晓宇; 李帅帅; 杨绍寒
Original assignee: SHANDONG PEAK-TECH NEW MATERIAL CO LTD
Current assignee: SHANDONG PEAK-TECH NEW MATERIAL CO LTD
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-11-01
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a silica flour purification device relates to silica flour purification field. The silicon powder purification device comprises a pure water tank and a hydrochloric acid tank, wherein the pure water tank and the hydrochloric acid tank are fixedly connected with an organic extraction column through pipelines, and the pipelines on the pure water tank and the hydrochloric acid tank are provided with valves. This silica flour purification device passes through the pure water groove, hydrochloric acid tank, connect the material pond, extraction post drain, the setting of feed inlet and discharge gate, effectively get rid of impurity such as iron oxide in the silica flour, alumina, calcium oxide, improve the purity of silica flour, consequently, impurity can get into the silica sol product in having avoided the silica flour, prevent to influence the purity of silica sol, be suitable for preparation and be applied to catalyst, the silica sol product that fields such as electron level polishing solution required height to the purity, and the device overall structure is simple, high durability and convenient use, manufacturing and maintenance cost are low, and is suitable for being generalized to use.

Description

Silica powder purification device

Technical Field

The utility model relates to a silica flour purification technical field specifically is a silica flour purification device.

Background

The silicon powder is produced by high-temperature smelting of quartz sand and carbon sources (such as charcoal and petroleum coke). Can contain impurity such as iron oxide, aluminium oxide, calcium oxide that the quartz sand raw materials brought into in the ordinary industry silica flour, if not get rid of, these impurity can get into the silica sol product, influence the purity of silica sol, and unable preparation is applied to fields such as catalyst, electron level polishing solution and is required high silica sol product to the purity, to prior art's not enough, the utility model discloses a silica flour purification device to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model is not enough to prior art, the utility model discloses a silica flour purification device, the device passes through the pure water groove, hydrochloric acid groove, connect the material pond, the extraction post drain, the setting of feed inlet and discharge gate, effectively get rid of impurity such as iron oxide in the silica flour, alumina, calcium oxide, improve the purity of silica flour, therefore, impurity can get into the silica sol product in having avoided the silica flour, prevent to influence the purity of silica sol, it is applied to the catalyst to be suitable for the preparation, fields such as electron level polishing solution require high silica sol product to purity, and the device overall structure is simple, high durability and convenient use, manufacturing and maintenance cost are low, and is suitable for being generalized to use.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a silicon powder purification device comprises a pure water tank and a hydrochloric acid tank, wherein the pure water tank and the hydrochloric acid tank are fixedly connected with an organic extraction column through pipelines, and the pipelines on the pure water tank and the hydrochloric acid tank are provided with valves;

a feed inlet and a discharge outlet are arranged on the extraction column;

a filter screen cylinder is arranged in the extraction column;

the bottom of the extraction column is provided with a material receiving tank, and the material receiving tank is provided with a sewage outlet.

Preferably, threaded pipes are arranged at the top and the bottom of the extraction column, and end sockets are connected to the threaded pipes in a threaded manner.

Preferably, the filter screen cylinder is movably sleeved with a first sealing ring, the top of the filter screen cylinder is provided with a second sealing ring, and a clamping frame is arranged between the filter screen cylinder and the seal head.

The utility model discloses a silica flour purification device, its beneficial effect who possesses as follows:

1. this silica flour purification device, through the pure water groove, hydrochloric acid groove, connect the material pond, extraction post drain, the setting of feed inlet and discharge gate, effectively get rid of impurity such as iron oxide in the silica flour, alumina, calcium oxide, improve the purity of silica flour, therefore, impurity can get into the silica sol product in having avoided the silica flour, prevent to influence the purity of silica sol, be suitable for preparation and be applied to catalyst, the silica sol product that fields such as electron level polishing solution required height to the purity, and the device overall structure is simple, high durability and convenient use, manufacturing and maintenance cost are low, and is suitable for being generalized to use.

2. According to the silicon powder purifying device, the arranged filter screen cylinder is convenient to disassemble, assemble and clean, and after the filter screen cylinder is installed, the filter screen cylinder is clamped by the first sealing ring and the second sealing ring and forms double-layer sealing with the end socket, so that the sealing effect of the interface is good.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a structural diagram of the extraction column of the present invention;

fig. 3 is an exploded view of the filter screen cartridge of the present invention.

In the figure: 1. a pure water tank; 2. a hydrochloric acid tank; 3. a receiving tank; 4. an extraction column; 401. a threaded pipe; 402. a filter screen cylinder; 403. sealing the end; 404. a first seal ring; 405. a second seal ring; 406. a clamping frame; 5. a sewage draining outlet; 6. a feed inlet; 7. and (4) a discharge port.

Detailed Description

The embodiment of the utility model discloses a silicon powder purification device, as shown in figures 1-3, comprising a pure water tank 1 and a hydrochloric acid tank 2, wherein the pure water tank 1 and the hydrochloric acid tank 2 are fixedly connected with an organic extraction column 4 through pipelines, and the pipelines on the pure water tank 1 and the hydrochloric acid tank 2 are provided with valves;

the extraction column 4 is provided with a feed inlet 6 and a discharge outlet 7;

a filter screen drum 402 is arranged in the extraction column 4;

the bottom of extraction post 4 is equipped with connects material pond 3, connect to be equipped with drain 5 on the material pond 3, the material pond 3 that connects that sets up collects extraction post 4 exhaust liquid, and the drain 5 that sets up can be with waste liquid discharge.

The top and the bottom of extraction post 4 are equipped with screwed pipe 401, and threaded connection has head 403 on the screwed pipe 401, and the head 403 and the screwed pipe 401 threaded connection that set up can realize spacing to filter screen section of thick bamboo 402, guarantee filter screen section of thick bamboo 402's butt joint convenience.

A first sealing ring 404 is movably sleeved on the filter screen cylinder 402, a second sealing ring 405 is arranged at the top of the filter screen cylinder 402, a clamping frame 406 is arranged between the filter screen cylinder 402 and the end enclosure 403, the filter screen cylinder 402 arranged in the device is convenient to disassemble, assemble and clean, and after the filter screen cylinder 402 is installed, the filter screen cylinder 402 is clamped by the first sealing ring 404 and the second sealing ring 405 to form double-layer sealing with the end enclosure 403, so that the sealing effect at the interface is good;

when the filter screen cylinder 402 is installed, the first sealing ring 404 is clamped into the extraction column 4, then the filter screen cylinder 402 is clamped into the extraction column 4, further, the second sealing ring 405 is clamped into the threaded pipe 401, the clamping frame 406 abuts against the filter screen cylinder 402, and the sealing head 403 is screwed onto the threaded pipe 401.

The working principle is as follows: when the silicon powder purifying device is used, the operation is carried out according to the following steps:

(1) The silicon powder and a proper amount of pure water are stirred into a suspension, and then the suspension flows into the extraction column 4 through a feed port 6 of the extraction column 4 by a hose, water flows away through a filter screen at the lower end socket of the extraction column 4, and the silicon powder is left in the extraction column 4.

(2) Pure water and hydrochloric acid are respectively added into the two elevated tanks, a lower outlet valve of the extraction column 4 is closed, a certain amount of hydrochloric acid is sent into the extraction column 4 to be completely soaked in the silicon powder for a period of time, so that impurities such as ferric oxide, aluminum oxide, calcium oxide and the like in the silicon powder can react with the hydrochloric acid to generate water-soluble substances such as ferric chloride, aluminum chloride, calcium chloride and the like, after the soaking for a period of time, a valve below the extraction column 4 is opened, and the hydrochloric acid waste liquid is discharged.

(3) Pure water is sent into the extraction column 4, and the silicon powder is washed from top to bottom, and the water-soluble ferric chloride, aluminum chloride and calcium chloride can be thoroughly washed by the top-down washing mode, so that the silicon powder with high purity is obtained.

(4) Pure water is introduced from a discharge port 7 of the extraction column 4, the silicon powder is reversely washed from bottom to top, when the silicon powder is suspended in water, the suspended matter is immediately discharged from the discharge port 7, the suspension liquid of the silicon powder flows out of the extraction column 4, and the purified silicon powder is obtained by filtering.

The device passes through pure water tank 1, hydrochloric acid groove 2, connect material pond 3, extraction post 4, drain 5, the setting of feed inlet 6 and discharge gate 7, effectively get rid of impurity such as iron oxide in the silica flour, alumina, calcium oxide, improve the purity of silica flour, therefore, impurity can get into the silica sol product in having avoided the silica flour, prevent to influence the purity of silica sol, it is applied to catalyst to be suitable for preparation, fields such as electron level polishing solution require high silica sol product to the purity, and the device overall structure is simple, high durability and convenient use, manufacturing and maintenance cost are low, and is suitable for being generalized to use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a silica flour purification device, includes pure water groove (1) and hydrochloric acid groove (2), its characterized in that:

the pure water tank (1) and the hydrochloric acid tank (2) are fixedly connected with the organic extraction column (4) through pipelines, and the pipelines on the pure water tank (1) and the hydrochloric acid tank (2) are provided with valves;

a feed inlet (6) and a discharge outlet (7) are arranged on the extraction column (4);

a filter screen cylinder (402) is arranged in the extraction column (4);

the bottom of the extraction column (4) is provided with a receiving tank (3), and the receiving tank (3) is provided with a sewage outlet (5).

2. The silicon powder purifying device according to claim 1, wherein: the top and the bottom of extraction post (4) are equipped with screwed pipe (401), threaded connection has head (403) on screwed pipe (401).

3. The silicon powder purifying device according to claim 2, wherein: a first sealing ring (404) is movably sleeved on the filter screen cylinder (402), a second sealing ring (405) is arranged at the top of the filter screen cylinder (402), and a clamping frame (406) is arranged between the filter screen cylinder (402) and the seal head (403).