CN-120864730-B - High-purity quartz sand production wastewater treatment device and treatment method thereof

Abstract

The invention discloses a high-purity quartz sand production wastewater treatment device and a treatment method thereof, and belongs to the technical field of wastewater treatment. It mainly includes the blending tank, and the blending tank includes the jar body, and jar internal portion is equipped with rabbling mechanism, jar body bottom fixedly connected with valve one, and the bottom of valve one is fixed to be equipped with the buffer tank, buffer tank one side fixedly connected with fixed shell, and the fixed shell top is fixed to be equipped with actuating mechanism, and the inside rotation of fixed shell is connected with filtering mechanism, and fixed shell opposite side fixedly connected with sedimentation tank, fixedly connected with valve two on the lateral wall of sedimentation tank right side. According to the invention, the stirring mechanism is arranged, the first motor is driven to rotate forward at a high speed, so that the medicament and the wastewater are fully and quickly mixed, the first motor is regulated to rotate slowly in a reverse direction, the mixed wastewater is stirred slowly, and meanwhile, the inner wall of the tank body is scraped, so that the precipitation crystallization adhesion is avoided. The invention is mainly used for treating the wastewater produced by the high-purity quartz sand.

Inventors

• XU CHENGHAO

Assignees

• 兰陵县凯旭科技有限公司

Dates

Publication Date

20260508

Application Date

20250731

Claims (4)

1. 1. The high-purity quartz sand production wastewater treatment device is characterized by comprising a mixing tank, wherein the mixing tank comprises a tank body, the bottom of the tank body is fixedly connected with supporting legs, the top of the tank body is fixedly connected with a mounting arm, a stirring mechanism is arranged inside the tank body, the stirring mechanism comprises a first driving motor, the first driving motor is fixedly connected to the top of the mounting arm, a rotating shaft of the first driving motor is fixedly connected with a transmission shaft, the upper part of the transmission shaft is fixedly connected with a diffusion block, a plurality of groups of diffusion rings are fixedly connected to the diffusion block, the middle part of the transmission shaft is fixedly connected with a plurality of groups of stirring paddles, the bottom of the transmission shaft is fixedly provided with a driving groove, the bottom of the transmission shaft is rotationally connected with a one-way driving ring, the one-way driving ring is fixedly connected with a scraping paddle, the bottom of the tank body is fixedly connected with a first valve, the bottom of the first valve is fixedly provided with a buffer tank, the top of the buffer tank is fixedly connected with a driving mechanism, the inside of the fixed shell is rotationally connected with a filtering mechanism, the other side of the buffer tank is fixedly connected with a settling tank, the right side wall of the settling tank is fixedly connected with a second valve, the inside the settling tank is fixedly connected with a sloping plate group, and the top of the sloping plate is fixedly connected with a baffle plate; the top of the buffer tank is fixedly provided with a water inlet which is fixedly connected with the bottom of the valve I, the bottom of the buffer tank is fixedly provided with a slag tap pipe orifice, the side wall of the upper part of the buffer tank is fixedly provided with an overflow port, the bottom of the overflow port is fixedly provided with a water tank, the bottom of the water tank is fixedly connected with a water pipe, and the other end of the water pipe is connected with the side wall of the lower part of the right side of the precipitation tank; The device comprises a fixed shell, a first sedimentation inlet, a second sedimentation inlet, a slag outlet, a slag discharging pipe, a valve III, a plurality of groups of vibration grooves, a water trough, a rotating cavity, a suspension cavity, a compression block, an inflow port and an outflow port, a filtering baffle plate, a filter plate II, a slag discharging pipe and a valve plate; The filtering mechanism comprises a connecting shaft, a sedimentation treatment rotating wheel is fixedly connected to the left side of the connecting shaft, the sedimentation treatment rotating wheel is rotationally connected with a sedimentation cavity, a first sedimentation notch is fixedly formed in the left side wall of the sedimentation treatment rotating wheel, a second sedimentation notch is fixedly formed in the right side wall of the sedimentation treatment rotating wheel, vibration filtering blocks are slidably connected in the first sedimentation notch and the second sedimentation notch, a suspension treatment rotating wheel is fixedly connected to the right side of the connecting shaft, the suspension treatment rotating wheel is rotationally connected with the suspension cavity, a plurality of groups of second installation grooves are fixedly formed in the suspension treatment rotating wheel, a third pressure spring is fixedly connected to the bottom of the second installation groove, a water pushing plate is fixedly connected to the other end of the third pressure spring, and the water pushing plate is slidably connected with the second installation groove; The side walls of the first sinking notch and the second sinking notch are fixedly provided with sliding grooves, the two sides of the vibration filter block are fixedly connected with sliding blocks, the sliding blocks are fixedly connected with pressure springs II, the other end of the second pressure spring is fixedly connected with the inner wall of the chute, the sliding block is in sliding connection with the chute, the first filter plate is fixedly connected with the top of the vibration filter block, and the protruding block is fixedly connected with the bottom of the vibration filter block.
2. 2. The device for treating wastewater from high-purity quartz sand production according to claim 1, wherein a plurality of groups of first installation grooves are fixedly formed in the inner wall of the unidirectional driving ring, a first compression spring is fixedly connected to the bottom of each first installation groove, a push block is fixedly connected to the other end of each first compression spring, the push block is in sliding connection with each first installation groove, and inclined teeth are fixedly connected to the front portion of each push block.
3. 3. The device for treating the wastewater generated in the production of the high-purity quartz sand according to claim 2, wherein the driving mechanism comprises a second driving motor, the second driving motor is fixedly connected to the top of the fixed shell, a small belt wheel is fixedly connected to a rotating shaft of the second driving motor, a belt is connected to the small belt wheel, the other end of the belt is connected to a large belt wheel, and the large belt wheel is fixedly connected to the front end of the connecting shaft.
4. 4. A method for treating a high purity silica sand production wastewater treatment apparatus according to claim 3, comprising the steps of: Pouring wastewater to be treated into a tank body, firstly adding an alkaline neutralizer, starting a driving motor to enable the motor to rotate forward at a high speed, and carrying out acid-base neutralization treatment; b, adding a calcium chloride medicament, keeping a driving motor to rotate forward at a high speed, and removing fluoride ions in the wastewater; adding sodium sulfide medicament, keeping the driving motor to rotate forward at a high speed, and removing heavy metal ions in the wastewater; adding flocculant, gradually reducing the rotation speed of a driving motor, and keeping the flocculant and fine precipitation impurities in the wastewater mixed to form colloid, and finally adjusting the driving motor to rotate reversely at a low speed, stirring the tank body by a scraping blade, avoiding damaging the flocculation gel at too high rotation speed, and scraping crystal precipitates on the inner wall of the tank body; e, opening a valve I, enabling wastewater to flow into a buffer tank firstly, performing primary sedimentation in the buffer tank, then enabling wastewater with less sedimentation impurities to flow into a sedimentation tank from an overflow port at the top through a water pipe for secondary sedimentation, opening a driving motor II, starting a filtering mechanism to rotate, and performing filtering and cleaning operation on sediment at the bottom of the buffer tank, sediment at the bottom of the sedimentation tank and suspended solids at the upper layer of the sedimentation tank; And f, opening a valve II to discharge the treated wastewater, opening a valve plate to discharge suspended impurities, and opening a valve III to discharge sediment.

Description

High-purity quartz sand production wastewater treatment device and treatment method thereof Technical Field The invention belongs to the technical field of wastewater treatment, and particularly relates to a high-purity quartz sand production wastewater treatment device and a treatment method thereof. Background The high-purity quartz sand is widely applied to high-end fields such as semiconductors, photovoltaics, optics and the like, if the waste water is directly discharged without treatment, the waste water can cause serious harm to the environment and human health, and meanwhile, the recyclable resources can be wasted, the production of the high-purity quartz sand generally involves the processes such as crushing, acid washing, water washing and the like, and the waste water can contain high-concentration acid, fluoride ions and various heavy metal ions and needs to be cleaned in time. In the prior art, the treatment equipment for the wastewater generally comprises a sedimentation tank, a PH regulating tank, a coagulation reaction tank, a secondary sedimentation tank, a filtering device, a stirring device and the like, and the reasons for separating and singly carrying out the treatment steps of the wastewater include avoiding that the coagulation operation causes water flow impact to affect sedimentation operation, the filtering operation and the sedimentation operation are easy to interfere (if turbulence occurs at the same time, the sedimentation time is longer or the filtering dead angle of the filtering operation cannot be sufficiently filtered), and the like. Therefore, the prior art is suitable for treating large-batch wastewater, but for small-batch or low-flow wastewater, the prior art has the defects of large occupied area, scattered treatment steps and low treatment efficiency. The Chinese patent with publication number of CN119954347A discloses a quartz sand pickling wastewater treatment device and a treatment process thereof, wherein the quartz sand pickling wastewater treatment device comprises a treatment box, a neutralization flocculation mechanism, a dosing mechanism, a mixing pipe and an inclined plate sedimentation mechanism, and the neutralization flocculation mechanism is used for quickly flocculating metal ions, fluoride ions and other harmful substances in wastewater to form a group and generate sediment, and quickly separating pickling wastewater from the sediment, and the mixing pipe and the inclined plate sedimentation mechanism are used for further removing the harmful substances in the pickling wastewater, so that the high-efficiency treatment of the pickling wastewater is realized. In the later use process, the device has the following problems that a treatment structure for suspended matters is lacked, precipitation crystallization is easy to occur in the treatment of fluoride ions, a wall scraping mechanism is lacked, the treated wastewater is directly introduced into an inclined plate precipitation mechanism through a water pump, the water flow is difficult to control, the precipitation operation is influenced, and the wastewater is difficult to keep standing during precipitation. Disclosure of Invention The invention aims to solve the technical problems that: the utility model provides a overcome prior art's is not enough, provides a high purity quartz sand waste water treatment facilities and processing method thereof, and it is through setting up rabbling mechanism, high-speed forward rotation driving motor one, accomplishes the abundant flash mixing to medicament and waste water, adjusts driving motor one and rotates slowly in reverse, stirs the waste water after mixing slowly and scrape the internal wall of jar simultaneously, avoids settling crystallization adhesion. A high-purity quartz sand waste water treatment device, which comprises a mixing tank, the blending tank includes the jar body, jar body bottom fixedly connected with landing leg, jar body top fixedly connected with installing arm, the inside rabbling mechanism that is equipped with of jar, rabbling mechanism includes driving motor one, driving motor one fixedly connected with is at the installing arm top, driving motor one's pivot fixedly connected with transmission shaft, transmission shaft upper portion fixedly connected with diffusion piece, fixedly connected with multiunit diffusion ring on the diffusion piece, transmission shaft middle part fixedly connected with multiunit stirring rake, transmission shaft bottom fixedly connected with actuating groove, transmission shaft bottom rotation is connected with one-way driving ring, one-way driving ring fixedly connected with scraping rake, jar body bottom fixedly connected with valve one, the bottom fixedly connected with buffer tank of valve one, buffer tank one side fixedly connected with fixed shell, the fixed shell top is fixedly equipped with actuating mechanism, the inside rotation of fixed shell is connected with filter mechanism, fixed shell op