CN212476382U

CN212476382U - Grinding and recycling water treatment equipment with ceramic ultrafiltration membrane

Info

Publication number: CN212476382U
Application number: CN202020902767.4U
Authority: CN
Inventors: 高静; 邓宇峰; 王晓燕
Original assignee: Warwick Water Technology China Co ltd
Current assignee: Warwick Water Technology China Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-02-05
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a grinding and recycling water treatment device with a ceramic ultrafiltration membrane, which comprises a first water tank, wherein the middle part of the first water tank is provided with a filtering inclined plate, the cavity on the right side of the filtering inclined plate corresponding to the first water tank is connected with one end of a first infusion pump, the other end of the first infusion pump is connected with a feed inlet of a filter, a discharge port of the filter is connected with one end of a second infusion pump, the other end of the second infusion pump is connected with a second water tank, a support plate is arranged on the second water tank, the upper surface of the support plate is provided with a driving motor, the output end of the driving motor is provided with a stirring device, HCL or NaOH is injected into the second water tank to adjust the pH value by controlling the opening of two electromagnetic valves through a PLC controller, and the stirring device arranged in the second water tank can lead the HCL or the NaOH to be, and mixing efficiency is improved. The device has simple integral structure, reliable work and convenient use and popularization.

Description

Grinding and recycling water treatment equipment with ceramic ultrafiltration membrane

Technical Field

The utility model relates to the technical field, the concrete field is a water treatment facilities is retrieved in grinding with pottery milipore filter.

Background

With the construction of domestic wafer factories, the increase of terminal driving demands and the rise of prices attract the attention of the whole industry to the silicon wafer industry. As with other areas of integrated circuits, chinese imperfections in the silicon wafer industry, to some extent, can become a bottleneck in the development of chinese integrated circuits. In recent years, the construction of large silicon wafers is on the rise in China, and the large silicon wafer industry is in the spring for a long time.

20-40% of the large total wastewater amount, relatively good water quality and high recovery value, and the grinding wastewater mainly comes from the following wastewater generated in the production process of silicon wafers: the method is characterized by comprising the following steps of treating acid-base wastewater, grinding wastewater, fluorine-containing wastewater, ammonia-containing wastewater, domestic sewage and the like, wherein the grinding wastewater accounts for wastewater discharged from chamfering, grinding and grinding in a forming process, main pollutants are particles and a small amount of chemicals, and other pollution factors are few, so the method is more suitable for recycling, the waste water from grinding is beneficial to reducing raw water consumption of enterprises, the discharge of polluted wastewater is reduced, and the method has high economic and social benefits.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grind and retrieve water treatment facilities with pottery milipore filter to solve the problem that does not have a kind of water treatment facilities to grinding recovery water in the silicon chip production process at present that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a grinding and recycling water treatment device with a ceramic ultrafiltration membrane comprises a first water tank, wherein a filtering inclined plate is arranged in the middle of the first water tank, the chamber of the first water tank corresponding to the right side of the filtering inclined plate is connected with one end of a first infusion pump, the other end of the first infusion pump is connected with a feed inlet of a filter, a discharge outlet of the filter is connected with one end of a second infusion pump, the other end of the second infusion pump is connected with a second water tank, a pH sensor is arranged on the inner side wall of the second water tank, a supporting plate is arranged on the second water tank, a driving motor is arranged on the upper surface of the supporting plate, a stirring device is arranged at the output end of the driving motor, the inside of second basin is equipped with the one end of two transfer lines, two the other end of transfer line all is connected with the liquid reserve tank, two all be equipped with the solenoid valve on the transfer line, the solenoid valve with the pH sensor all links to each other with the PLC controller.

Preferably, agitating unit includes the transmission shaft, the transmission shaft with driving motor's output links to each other, the transmission shaft runs through the backup pad and with for rotating the connection between the backup pad, the lower part of transmission shaft is rotated and is connected with the cylindricality casing, the cylindricality casing with the inside wall links to each other through the link around the second basin, the lower extreme of transmission shaft is equipped with drive bevel gear, drive bevel gear is located in the cylindricality casing, it is connected with middle bevel gear to rotate on the inside wall of cylindricality casing, the lower lateral wall of cylindricality casing runs through the initiative and is connected with the pivot, the transmission shaft with all be equipped with the puddler in the pivot, the upper end of pivot is equipped with driven bevel gear, middle bevel gear with drive bevel gear with driven bevel gear all meshes.

Preferably, the drive bevel gear, the intermediate bevel gear and the driven bevel gear are all bevel gears.

Preferably, the number of the intermediate bevel gears is 2.

Preferably, a flow sensor is arranged on the second infusion pump, a backwashing liquid injection pipe and a backwashing liquid outlet pipe are connected to the filter, a backwashing pump is arranged on the backwashing liquid injection pipe, and the lower end of the backwashing liquid injection pipe is located in backwashing liquid.

Preferably, the filter is a ceramic membrane filter.

Preferably, the drive motor is a YE series low-speed motor.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a grind and retrieve water treatment facilities with pottery milipore filter, grind and retrieve water and enter into the filter by first transfer pump after filtering the swash plate and just worry, this filter is the ceramic membrane filter, can filter and filter most inorganic particulate matter in the grinding recovery water, then the water through handling enters into the second basin, open through two solenoid valves of PLC controller control and pour into HCL or NaOH in to the second basin and adjust the pH valve, the regulation finishes the back and enters into next process, the agitating unit that sets up in the second basin can make HCL or NaOH and the liquid mixing in the second basin more even, and improved mixing efficiency. The device has simple integral structure, reliable work and convenient use and popularization.

Drawings

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

FIG. 2 is a schematic view of a portion of the enlarged structure of FIG. 1;

fig. 3 is a schematic diagram of a partial enlarged structure at B in fig. 1 according to the present invention.

In the figure: 1-a first water tank, 2-a filter inclined plate, 3-a first infusion pump, 4-a filter, 5-a second infusion pump, 6-a second water tank, 7-a pH sensor, 8-a support plate, 9-a driving motor, 10-a stirring device, 1001-a transmission shaft, 1002-a shell, 1003-a driving bevel gear, 1004-a middle bevel gear, 1005-a rotating shaft, 1006-a stirring rod, 1007-a driven bevel gear, 11-an infusion tube, 12-a liquid storage tank, 13-a backwashing liquid injection tube, 14-a backwashing liquid outlet tube and 15-a backwashing pump.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a grinding and recycling water treatment device with a ceramic ultrafiltration membrane comprises a first water tank 1, wherein a filtering inclined plate 2 is arranged in the middle of the first water tank 1, the filtering inclined plate 2 is a primary filter screen and can filter out large particles in grinding and recycling water, a cavity of the first water tank 1, which corresponds to the right side of the filtering inclined plate 2, is connected with one end of a first infusion pump 3, the other end of the first infusion pump 3 is connected with a feed inlet of a filter 4, a discharge outlet of the filter 4 is connected with one end of a second infusion pump 5, the other end of the second infusion pump 5 is connected with a second water tank 6, a pH sensor 7 is arranged on the inner side wall of the second water tank 6 and used for measuring the pH value in the second water tank 6, a support plate 8 is arranged on the second water tank 6, a plurality of through holes are formed in the support plate 8, meanwhile, the passing of all pipelines is met, one end of two liquid conveying pipes 11 is arranged in the second water tank 6, the other ends of the two liquid conveying pipes 11 are connected with liquid storage tanks 12, HCL solution and NaOH solution are stored in the two liquid storage tanks 12 respectively, electromagnetic valves are arranged on the two liquid conveying pipes 11, the electromagnetic valves and the pH sensor 7 are connected with a PLC (programmable logic controller), but after the PLC receives signals transmitted by the pH sensor 7, the PLC judges whether the pH value meets the requirement or not at first, if the pH value is too high, the PLC controls the electromagnetic valves on the liquid conveying pipes 11 connected with the liquid storage tanks containing the HCL solution to be opened, the HCL solution enters the second water tank 6 and is mixed with the liquid in the water tank, and after the pH value transmitted to the PLC by the pH sensor 7 meets the requirement, the PLC controls the electromagnetic valves on the liquid conveying pipes 11 connected with the liquid storage tanks containing the HCL solution to be closed; if the PLC receives that the pH value transmitted by the pH sensor 7 is too low, the PLC controls an electromagnetic valve on an infusion tube 11 connected with a liquid storage tank filled with NaOH solution to be opened so as to adjust the pH value of the liquid in the second water tank 6.

Specifically, the stirring device 10 includes a transmission shaft 1001, the transmission shaft 1001 is connected to an output end of the driving motor 9, the transmission shaft 1001 penetrates through the supporting plate 8 and is rotatably connected to the supporting plate 8, a bearing is disposed at a rotational joint, a cylindrical housing 1002 is rotatably connected to a lower portion of the transmission shaft 1001, the cylindrical housing 1002 is connected to front and rear inner side walls of the second water tank 6 through a connecting frame, a driving bevel gear 1003 is disposed at a lower end of the transmission shaft 1001, the driving bevel gear 1003 is located in the cylindrical housing 1002, a middle bevel gear 1004 is rotatably connected to the inner side wall of the cylindrical housing 1002, a rotating shaft 1005 is rotatably connected to a lower side wall of the cylindrical housing 1002, stirring rods 1006 are disposed on the transmission shaft 1001 and the rotating shaft 1005, a driven bevel gear 1007 is disposed at an upper end of the rotating shaft 1005, the middle bevel gear 1004 is engaged with the driving, the stirring effect is improved.

Specifically, the drive bevel gear 1003, the intermediate bevel gear 1004, and the driven bevel gear 1007 are all helical gears, and the helical gears are selected because they have the advantages of smooth rotation, low noise, and the like.

Specifically, the number of the intermediate bevel gears 1004 is 2, which can improve stability and reliability of the transmission between the transmission shaft 1001 and the rotation shaft 1005.

Specifically, be equipped with flow sensor on the second transfer pump 5, be connected with backwash liquid injection pipe 13 and backwash drain pipe 14 on the filter 4, be equipped with backwash pump 15 on the backwash liquid injection pipe 13, backwash liquid injection pipe 13 lower extreme is arranged in the backwash liquid, when relevant personnel perceive the flow on the second transfer pump 5 pipeline obviously to reduce by the flow sensor, can judge that filter 4 part is blockked up this moment, close second transfer pump 5, start backwash pump 15 both can carry out the backwash to the filter to reach the mesh of mediation filter 4.

Particularly, the filter 4 is a ceramic membrane filter, most inorganic particles can be filtered out by the ceramic membrane filter, and the ceramic membrane filter is resistant to acid and alkali corrosion, so that the ceramic membrane filter is selected.

Specifically, the drive motor 9 is a YE-series low-speed motor.

The working principle is as follows: the utility model discloses when using, at first will grind during the recovered water pours into first basin 1 into, realize under the effect of filtering swash plate 2 and just strain, the large granule thing of grinding the recovered water has been detached, then liquid enters into filter 4 through first transfer pump 3, this filter 4 is the ceramic membrane filter, can filter the most inorganic particulate matter of grinding the recovered water, when the backwash pump carries out the backwash, close first transfer pump 3 and second transfer pump 5 after, start backwash pump 15 and carry out the backwash to filtering out ware 4, then filter 4 alright follow new use, the backwash process can be for regularly going on, set for time interval through the PLC controller. The treated water enters the second water tank, HCl or NaOH is injected into the second water tank 6 to adjust the pH value by controlling the opening of the two electromagnetic valves through the PLC, the liquid enters the next procedure after the adjustment is finished, the stirring device 10 arranged in the second water tank can enable the HCl or the NaOH to be mixed with the liquid in the second water tank more uniformly, the transmission shaft 1001 is driven by the driving motor 9 to rotate, the torque can be transmitted to the driven bevel gear 1007 from the automatic bevel gear 1003 through the middle bevel gear 1004, the directions of the torques can be opposite, the rotation of the driven bevel gear 1007 drives the rotating shaft 1005 to rotate, the rotating shaft 1005 and the transmission shaft 1001 are both provided with stirring rods 1006, and the liquid in the second water tank 6 can be fully mixed under the reverse rotation of the two stirring rods 1006.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of description and attached drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model is including the conventional connected mode of circuit connection adoption conventional among the prior art, and here detailed description is not again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a grind recovery water treatment facilities with pottery milipore filter, includes first basin (1), its characterized in that: the infusion device is characterized in that a filtering inclined plate (2) is arranged in the middle of a first water tank (1), a cavity of the first water tank (1), which corresponds to the right side of the filtering inclined plate (2), is connected with one end of a first infusion pump (3), the other end of the first infusion pump (3) is connected with a feed inlet of a filter (4), a discharge port of the filter (4) is connected with one end of a second infusion pump (5), the other end of the second infusion pump (5) is connected with a second water tank (6), a PH sensor (7) is arranged on the inner side wall of the second water tank (6), a support plate (8) is arranged on the second water tank (6), a driving motor (9) is arranged on the upper surface of the support plate (8), a stirring device (10) is arranged at the output end of the driving motor (9), one end of two infusion tubes (11) is arranged, the other end of each of the two infusion tubes (11) is connected with a liquid storage tank (12), the two infusion tubes (11) are provided with electromagnetic valves, and the electromagnetic valves and the PH sensors (7) are connected with a PLC.

2. The grinding recovery water treatment equipment with ceramic ultrafiltration membrane of claim 1, characterized in that: the stirring device (10) comprises a transmission shaft (1001), the transmission shaft (1001) is connected with the output end of the driving motor (9), the transmission shaft (1001) penetrates through the support plate (8) and is rotatably connected with the support plate (8), the lower part of the transmission shaft (1001) is rotatably connected with a cylindrical shell (1002), the cylindrical shell (1002) is connected with the front inner side wall and the rear inner side wall of the second water tank (6) through a connecting frame, a driving bevel gear (1003) is arranged at the lower end of the transmission shaft (1001), the driving bevel gear (1003) is positioned in the cylindrical shell (1002), a middle bevel gear (1004) is rotatably connected to the inner side wall of the cylindrical shell (1002), a rotating shaft (1005) is rotatably connected to the lower side wall of the cylindrical shell (1002), and stirring rods (1006) are arranged on the transmission shaft (1001) and the rotating shaft (1005), the upper end of the rotating shaft (1005) is provided with a driven bevel gear (1007), and the middle bevel gear (1004) is meshed with the driving bevel gear (1003) and the driven bevel gear (1007).

3. The grinding recovery water treatment equipment with ceramic ultrafiltration membrane of claim 2, characterized in that: the driving bevel gear (1003), the middle bevel gear (1004) and the driven bevel gear (1007) are all bevel gears.

4. The grinding recovery water treatment equipment with ceramic ultrafiltration membrane of claim 2, characterized in that: the number of the intermediate bevel gears (1004) is 2.

5. The grinding recovery water treatment equipment with ceramic ultrafiltration membrane of claim 1, characterized in that: the backwashing liquid-filling device is characterized in that a flow sensor is arranged on the second liquid-conveying pump (5), a backwashing liquid-filling pipe (13) and a backwashing liquid-discharging pipe (14) are connected to the filter (4), a backwashing pump (15) is arranged on the backwashing liquid-filling pipe (13), and the lower end of the backwashing liquid-filling pipe (13) is positioned in backwashing liquid.

6. The grinding recovery water treatment equipment with ceramic ultrafiltration membrane of claim 1, characterized in that: the filter (4) is a ceramic membrane filter.

7. The grinding recovery water treatment equipment with ceramic ultrafiltration membrane of claim 1, characterized in that: the drive motor (9) adopts a YE series low-speed motor.