CN217323669U

CN217323669U - Filtering and purifying device for silicon powder-containing wastewater

Info

Publication number: CN217323669U
Application number: CN202220968798.9U
Authority: CN
Inventors: 戴文伟; 林霞; 胡满根
Original assignee: Jiangle Sanjing New Material Co ltd
Current assignee: Jiangle Sanjing New Material Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-08-30
Anticipated expiration: 2032-04-24

Abstract

The utility model relates to a filtering and purifying device for silicon powder-containing wastewater, which comprises an alkaline liquid pool, a stirring box, a settling tank and a filtering tank, wherein the alkaline liquid pool, the stirring box, the settling tank and the filtering tank are arranged from left to right; the agitator tank with go out water piping connection through first between the setting tank, the bottom of setting tank is provided with carries out absorbent adsorption component to silica flour, the setting tank with go out water piping connection through the second between the filtering ponds, the bottom of filtering ponds right side wall is provided with the drain pipe, the utility model discloses simple structure, convenient operation can carry out purification treatment to silicon-containing waste water, can also protect the environment simultaneously.

Description

Filtering and purifying device for silicon powder-containing wastewater

Technical Field

The utility model relates to an industrial wastewater treatment technical field, especially a filtration purification device who contains silica powder waste water.

Background

In the electronic and photovoltaic industries, in the process of slicing silicon ingots into wafers, a large amount of pure water is needed for washing, so that silicon powder-containing wastewater is generated, and the wastewater contains a great amount of silicon powder, is not easy to precipitate and is difficult to separate. The turbidity is as high as 80-100NTU, and the grain diameter of the silicon powder is generally between 5 and 30 mu m. Because the granularity of the silicon powder in the silicon powder-containing wastewater is small, the silicon powder cannot be filtered by the filter cloth, the existing treatment method mainly adds a component flocculant to flocculate and separate silicon powder particles, but the flocculant is needed to be used with higher price, and the pressurization treatment is inconvenient after flocculation layering; the other mode is direct discharge, and although the discharge is simple and rapid, the discharged wastewater contains a large amount of silicon powder particles, so that the environment is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a filtration purification device who contains silicon powder waste water carries out purification treatment to silicon-containing waste water.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the filtering and purifying device for the silicon powder-containing wastewater comprises an alkaline liquid pool, a stirring box, a settling box and a filtering pool which are arranged from left to right, wherein the alkaline liquid pool is connected with the stirring box through an alkaline liquid pipe, and a silicon-containing wastewater inlet pipe is arranged at the right end of the top of the stirring box; the stirring box is connected with the settling box through a first water outlet pipe, an adsorption component for adsorbing silicon powder is arranged at the bottom of the settling box, the settling box is connected with the filtering tank through a second water outlet pipe, and a drain pipe is arranged at the bottom of the right side wall of the filtering tank.

Preferably, the middle part of agitator tank top is provided with first motor, the output of first motor bottom is connected with the (mixing) shaft, the other end of (mixing) shaft penetrates in the agitator tank, the other end of (mixing) shaft passes through the bearing to be fixed on the inner wall of agitator tank bottom, be provided with a plurality of stirring vane on the (mixing) shaft.

Preferably, the bottom in lye pond is provided with first suction pump, first suction pump with the one end of lye pipe is connected, the other end of lye pipe is followed the upper end of agitator tank left side wall penetrates in the agitator tank.

Preferably, the inner wall of agitator tank bottom inclines down from a left side to the right side, the right-hand member of the inner wall of agitator tank bottom is provided with the second suction pump, the second suction pump with the one end of first outlet pipe is connected, the other end of first outlet pipe is followed the left end at the top of setting tank penetrates in the setting tank.

Preferably, the upper end of the right side wall of the settling tank is provided with a third water suction pump, the third water suction pump is connected with one end of a second water outlet pipe, and the other end of the second water outlet pipe penetrates into the filtering tank from the upper end of the left side wall of the filtering tank.

Preferably, a fourth water suction pump is arranged at the right end of the bottom of the filtering tank, and the drain pipe is connected with the fourth water suction pump.

Preferably, the bottom of the rear surface of the sedimentation tank is provided with an opening, the adsorption component comprises an installation box with an open upper surface, the left end and the right end of the mounting box are symmetrically provided with mounting convex parts, the bottoms of the left end and the right end of the sedimentation tank are provided with sliding grooves matched with the mounting convex parts, the mounting box is pushed into the sedimentation tank through the opening, a sealing ring is arranged on a frame at the rear end of the mounting box, the right end of the upper surface of the mounting box is hinged with a filtering sieve plate matched with the mounting box, a frame at the right end of the mounting box is internally provided with a mounting cavity, a waterproof motor is arranged in the mounting cavity, the output end of the left end of the waterproof motor is connected with a rotating shaft, the left end of the rotating shaft penetrates into the mounting box, the leftmost end of the rotating shaft is fixed on the inner wall of the left side of the mounting box through a bearing, and a plurality of rotating blades are uniformly arranged on the rotating shaft; diatomite or perlite for adsorbing silicon powder in the silicon-containing wastewater is added into the mounting box.

Preferably, the rear end of the mounting box is provided with a handle.

Preferably, the middle part of the filtering tank is provided with a partition board, the partition board divides the filtering tank into a left part and a right part, activated carbon is paved at the bottom of the filtering tank at the left part, and the upper end of the partition board is provided with a communicating port.

The utility model has the advantages that: the utility model provides a filtration purification device who contains silica flour waste water carries out neutralization treatment to acidic silicon-containing waste water through adding alkali lye, and the absorption efficiency has been accelerated in the silicon-containing waste water suction after the reaction to the setting tank in, continuously adsorbs through diatomaceous earth or pearlite to the silica flour in the waste water, and the rotation of axis of rotation uses the active carbon to purify and filter in adsorbing the waste water suction to the filtering ponds in the setting tank after accomplishing simultaneously, the utility model discloses simple structure, convenient operation can carry out purification treatment to silicon-containing waste water, can also protect the environment simultaneously.

Drawings

FIG. 1 is a schematic structural view of a filtration purification apparatus for wastewater containing silicon powder.

Fig. 2 is a perspective view of the mounting box.

Fig. 3 is a schematic structural view of the adsorption module.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 to 3, a filtering and purifying device for silicon powder-containing wastewater comprises an alkaline solution tank 1, a stirring tank 2, a settling tank 3 and a filtering tank 4 which are arranged from left to right, wherein the alkaline solution tank 1 is connected with the stirring tank 2 through an alkaline solution pipe 11, alkaline solution is added to neutralize the silicon-containing wastewater, and a silicon-containing wastewater inlet pipe 21 is arranged at the right end of the top of the stirring tank 2; the stirring box 2 is connected with the settling box 3 through a first water outlet pipe 22, an adsorption component for adsorbing silicon powder is arranged at the bottom of the settling box 3, the settling box 3 is connected with the filtering tank 4 through a second water outlet pipe 31, and a drain pipe 41 is arranged at the bottom of the right side wall of the filtering tank 4.

As shown in fig. 1, a first motor 23 is arranged in the middle of the top of the stirring box 2, an output end of the bottom of the first motor 23 is connected with a stirring shaft 24, the other end of the stirring shaft 24 penetrates into the stirring box 2, the other end of the stirring shaft 24 is fixed on the inner wall of the bottom of the stirring box 2 through a bearing, and a plurality of stirring blades 25 are arranged on the stirring shaft 24.

As shown in fig. 1, a first water pump 12 is disposed at the bottom of the lye pool 1, the first water pump 12 is connected with one end of the lye pipe 11, and the other end of the lye pipe 11 penetrates into the stirring tank 2 from the upper end of the left side wall of the stirring tank 2.

As shown in fig. 1, the inner wall of the bottom of the stirring tank 2 is inclined downwards from left to right, a second water pump 26 is arranged at the right end of the inner wall of the bottom of the stirring tank 2, the second water pump 26 is connected with one end of the first water outlet pipe 22, and the other end of the first water outlet pipe 22 penetrates into the settling tank 3 from the left end of the top of the settling tank 3.

As shown in fig. 1, a third water pump 32 is arranged at the upper end of the right side wall of the settling tank 3, the third water pump 32 is connected with one end of a second water outlet pipe 31, and the other end of the second water outlet pipe 31 penetrates into the filtering tank 4 from the upper end of the left side wall of the filtering tank 4.

As shown in fig. 1, a fourth water pump 42 is disposed at the right end of the bottom of the filtering tank 4, and the water discharge pipe 41 is connected to the fourth water pump 42.

As shown in fig. 1 to 3, an opening is formed in the bottom of the rear surface of the sedimentation tank, the adsorption assembly includes a mounting box 51 with an open upper surface, mounting protrusions 52 are symmetrically arranged at the left and right ends of the mounting box 51, sliding grooves matched with the mounting protrusions 52 are formed in the bottoms of the left and right ends of the sedimentation tank, the mounting box 51 is conveniently pushed into the sedimentation tank 3, the mounting box 51 is pushed into the sedimentation tank through the opening, a sealing ring 53 is arranged on a frame at the rear end of the mounting box 51 to play a role in sealing and preventing water from overflowing, a filter sieve plate 54 matched with the mounting box 51 is hinged to the right end of the upper surface of the mounting box 51, so that the sediment is concentrated in the mounting box 51, a mounting cavity is formed in the frame at the right end of the mounting box 51, a waterproof motor 55 is arranged in the mounting cavity, and an output end at the left end of the waterproof motor 55 is connected with a rotating shaft 56, the left end of the rotating shaft 56 penetrates into the mounting box 51, the leftmost end of the rotating shaft 56 is fixed on the inner wall of the left side of the mounting box 51 through a bearing, and a plurality of rotating blades 57 are uniformly arranged on the rotating shaft 56; diatomite or perlite for adsorbing silicon powder in silicon-containing wastewater is added into the mounting box 51.

As shown in fig. 2, a pull handle 58 is provided at the rear end of the mounting box 51 to facilitate pulling out the mounting box 51.

As shown in fig. 1, a partition plate 43 is arranged in the middle of the filtering tank 4, the partition plate 43 divides the filtering tank 4 into a left part and a right part, activated carbon 44 is laid at the bottom of the filtering tank 4 at the left part, a communication port 45 is formed in the upper end of the partition plate 43, waste water is purified through the activated carbon 44, and when the water level is higher than the communication port 45, the waste water enters the filtering tank 4 at the right end of the partition plate 43 and is discharged through a fourth water pump 42.

The utility model discloses a theory of operation does: silicon-containing wastewater enters the stirring box from a silicon-containing wastewater inlet pipe, as the silicon-containing wastewater is acidic wastewater, a first water suction pump pumps alkali liquor in an alkali liquor pool into the stirring box to perform neutralization reaction on the silicon-containing wastewater, a first motor drives the stirring shaft to rotate, the neutralization reaction is accelerated by stirring of stirring blades, after the reaction is completed, the silicon-containing wastewater is pumped into the settling box through a second water suction pump to stand, at the moment, the silicon-containing wastewater enters the installation box through the filtering sieve plate, a waterproof motor in the installation box drives the rotating shaft and the rotating blades to rotate to drive diatomite and perlite in the installation box to fully adsorb silicon powder in the silicon-containing wastewater, after the adsorption is completed, the wastewater without the silicon powder is pumped into the filtering tank to stand through a third water suction pump, the wastewater is purified through activated carbon in the left half part of the filtering tank, and enters the right half part of the filtering tank when the water level is higher than the communicating port of the partition plate, the water is discharged through a fourth suction pump.

It should be noted that, the motor, the water pump, etc. in the present invention are prior art, and the model of the waterproof motor may be 4IK25GN-CT/4GN15K, which can be clearly understood by those skilled in the art, and will not be described in detail herein.

The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims

1. The utility model provides a filtration purification device who contains silica powder waste water which characterized in that: the device comprises an alkaline solution pool, a stirring box, a settling box and a filtering pool which are arranged from left to right, wherein the alkaline solution pool is connected with the stirring box through an alkaline solution pipe, and the right end of the top of the stirring box is provided with a silicon-containing wastewater inlet pipe; the stirring tank is connected with the settling tank through a first water outlet pipe, an adsorption component for adsorbing silicon powder is arranged at the bottom of the settling tank, the settling tank is connected with the filtering tank through a second water outlet pipe, and a drain pipe is arranged at the bottom of the right side wall of the filtering tank.

2. The filtering and purifying device for the waste water containing the silicon powder as claimed in claim 1, wherein: the middle part at agitator tank top is provided with first motor, the output of first motor bottom is connected with the (mixing) shaft, the other end of (mixing) shaft penetrates in the agitator tank, the other end of (mixing) shaft passes through the bearing to be fixed on the inner wall of agitator tank bottom, be provided with a plurality of stirring vane on the (mixing) shaft.

3. The filtering and purifying device for the waste water containing the silicon powder as claimed in claim 1, wherein: the bottom in lye pond is provided with first suction pump, first suction pump with the one end of lye pipe is connected, the other end of lye pipe is followed the upper end of agitator tank left side wall penetrates in the agitator tank.

4. The filtering and purifying device for the silicon powder-containing wastewater as claimed in claim 1, wherein: the inner wall of agitator tank bottom inclines down from a left side to the right side, the right-hand member of the inner wall of agitator tank bottom is provided with the second suction pump, the second suction pump with the one end of first outlet pipe is connected, the other end of first outlet pipe is followed the left end at the top of setting tank penetrates in the setting tank.

5. The filtering and purifying device for the waste water containing the silicon powder as claimed in claim 1, wherein: the upper end of the right side wall of the settling box is provided with a third water suction pump, the third water suction pump is connected with one end of a second water outlet pipe, and the other end of the second water outlet pipe penetrates into the filtering tank from the upper end of the left side wall of the filtering tank.

6. The filtering and purifying device for the waste water containing the silicon powder as claimed in claim 1, wherein: the right-hand member of filtering ponds bottom is provided with the fourth suction pump, the drain pipe with the fourth suction pump is connected.

7. The filtering and purifying device for the waste water containing the silicon powder as claimed in claim 1, wherein: the bottom of the rear surface of the settling tank is provided with an opening, the adsorption component comprises an installation box with an open upper surface, the left end and the right end of the mounting box are symmetrically provided with mounting convex parts, the bottoms of the left end and the right end of the settling tank are provided with sliding grooves matched with the mounting convex parts, the mounting box is pushed into the settling box through the opening, a sealing ring is arranged on a frame at the rear end of the mounting box, the right end of the upper surface of the mounting box is hinged with a filtering sieve plate matched with the mounting box, a frame at the right end of the mounting box is internally provided with a mounting cavity, a waterproof motor is arranged in the mounting cavity, the output end of the left end of the waterproof motor is connected with a rotating shaft, the left end of the rotating shaft penetrates into the mounting box, the leftmost end of the rotating shaft is fixed on the inner wall of the left side of the mounting box through a bearing, and a plurality of rotating blades are uniformly arranged on the rotating shaft; diatomite or perlite for adsorbing silicon powder in the silicon-containing wastewater is added into the mounting box.

8. The filtering and purifying device for the waste water containing the silicon powder as claimed in claim 7, wherein: the rear end of the mounting box is provided with a handle.

9. The filtering and purifying device for the waste water containing the silicon powder as claimed in claim 1, wherein: the middle part of filtering ponds is provided with the baffle, the baffle will the filtering ponds divide into two parts about, the left part the bottom of filtering ponds has been laid active carbon, the intercommunication mouth has been seted up to the upper end of baffle.