CN118808209A - A process for treating wastewater from surface treatment of mobile phone mid-plate - Google Patents
A process for treating wastewater from surface treatment of mobile phone mid-plate Download PDFInfo
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- CN118808209A CN118808209A CN202411096147.5A CN202411096147A CN118808209A CN 118808209 A CN118808209 A CN 118808209A CN 202411096147 A CN202411096147 A CN 202411096147A CN 118808209 A CN118808209 A CN 118808209A
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- wastewater
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- waste liquid
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/024—Cleaning by means of spray elements moving over the surface to be cleaned
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/14—Removing waste, e.g. labels, from cleaning liquid
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
本发明公开了一种手机中板表面处理废水处理工艺，废水处理工艺基于废水处理装置实现，废水处理工艺包括以下步骤：S1、一次清洗：待清洁产品放入第一清洁池，产生的一次清洁废水通过第一排水管排出至废液回收箱；S2、二次清洗：待清洁产品从第一清洁池取出并放入第二清洁池，产生的二次清洁废水通过第二排水管排出至废液暂存箱；S3、废水循环：废液暂存箱内二次清洁废水通过回水管补充至第一喷淋装置的主供液管；S4、废水排出：当第一水质探针反馈废液回收箱内水质达到设定阈值时，将废水通过排水主管排出至废水处理池。本发明相较于现有技术，解决产品表面处理后清洁产生的清洁废水吸附处理效率低下、处理药剂浪费的问题。
The present invention discloses a wastewater treatment process for surface treatment of a mobile phone mid-plate. The wastewater treatment process is implemented based on a wastewater treatment device. The wastewater treatment process includes the following steps: S1, primary cleaning: the product to be cleaned is placed in a first cleaning pool, and the primary cleaning wastewater generated is discharged to a waste liquid recovery tank through a first drain pipe; S2, secondary cleaning: the product to be cleaned is taken out of the first cleaning pool and placed in a second cleaning pool, and the secondary cleaning wastewater generated is discharged to a waste liquid temporary storage tank through a second drain pipe; S3, wastewater circulation: the secondary cleaning wastewater in the waste liquid temporary storage tank is supplemented to the main liquid supply pipe of the first spray device through a return pipe; S4, wastewater discharge: when the first water quality probe feeds back that the water quality in the waste liquid recovery tank reaches a set threshold, the wastewater is discharged to a wastewater treatment pool through a drainage main pipe. Compared with the prior art, the present invention solves the problems of low adsorption treatment efficiency and waste of treatment agents of cleaning wastewater generated after surface treatment of products.
Description
Technical Field
The invention relates to the technical field of surface treatment, in particular to a wastewater treatment process for treating the surface of a mobile phone middle plate.
Background
The surface treatment refers to a process of artificially forming a surface layer on the surface of a base material, which layer is different from the mechanical, physical and chemical properties of the base. After the product is subjected to a surface treatment process such as electroplating, the surface residual electroplating solution is generally required to be cleaned, and the waste water generated after cleaning is required to be subjected to harmless treatment, so that direct discharge is avoided.
After the product is subjected to surface treatment, if a large amount of cleaning liquid is directly used for cleaning, the concentration of pollutants in the generated cleaning wastewater is low, so that the effect of flocculating agent or chemical agent is not fully exerted when sewage treatment is performed in a manner of biological adsorption flocculation precipitation or chemical precipitation and the like, and the waste of materials is caused.
Disclosure of Invention
The invention aims at: the wastewater treatment process for the surface treatment of the mobile phone middle plate is provided, so that the problems of low wastewater adsorption treatment efficiency and waste of treatment agents caused by low concentration of pollutants in clean wastewater generated by cleaning after the surface treatment of products are solved.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a mobile phone middle plate surface treatment wastewater treatment process is realized based on a wastewater treatment device, and the wastewater treatment device comprises:
The cleaning device comprises a first cleaning pool, a first spray device and a second spray device, wherein the first spray device is arranged above the first cleaning pool, a main liquid supply pipe is arranged on the first spray device, a cleaning liquid supplementing pipe is arranged on the main liquid supply pipe, a first electromagnetic valve is arranged on the cleaning liquid supplementing pipe, and a first drain pipe is arranged at the bottom of the first spray device;
The second cleaning pool is provided with a second spraying device above, a second spraying liquid supply pipe is arranged on the second spraying device, and a second drain pipe is arranged at the bottom of the second cleaning pool;
The waste liquid temporary storage box is provided with a water return pipe which is connected with the main liquid supply pipe, the water return pipe is provided with a water pump, and the second water drain pipe is communicated to the waste liquid temporary storage box;
The waste liquid recovery box is communicated to the waste water treatment tank through the drainage main pipe, a first water quality probe is arranged in the waste liquid recovery box, and the first water quality probe is connected with the water quality analyzer;
The wastewater treatment process comprises the following steps:
s1, primary cleaning: placing the product to be cleaned into a first cleaning pool, spraying and cleaning the product to be cleaned by a first spraying device, and discharging the generated primary cleaning wastewater to a waste liquid recovery tank through a first drain pipe;
S2, secondary cleaning: taking out the product to be cleaned from the first cleaning pool, putting the product into a second cleaning pool, starting a second spraying device, cleaning the product to be cleaned, and discharging generated secondary cleaning wastewater to a waste liquid temporary storage box through a second drain pipe;
s3, wastewater circulation: the secondary cleaning wastewater in the waste liquid temporary storage tank is supplemented to a main liquid supply pipe of the first spraying device through a water return pipe, so that the first spraying device performs primary cleaning in the first cleaning pool through the secondary cleaning wastewater;
S4, discharging waste water: after the wastewater in the wastewater recovery tank is kept stand, when the water quality in the wastewater recovery tank fed back by the first water quality probe reaches a set threshold value, the wastewater is discharged to the wastewater treatment tank through the main drainage pipe.
As a further description of the above technical solution:
the waste liquid recovery box is internally provided with a plurality of clapboards which are arranged in parallel, the end parts of the clapboards form liquid leakage holes, the back of each clapboards is provided with a plurality of locking plates, the back of each locking plate is provided with a driving piece, and the driving pieces are used for driving the locking plates to seal the liquid leakage holes.
As a further description of the above technical solution:
The waste liquid recovery box is internally provided with a plurality of first water quality probes, the first water quality probes are arranged at intervals with the partition plate, one side of each first water quality probe is provided with a drainage branch pipe, and the drainage branch pipes are communicated to the drainage main pipe.
As a further description of the above technical solution:
The inner wall of the waste liquid recovery box is provided with a convex hull, and the locking plate is provided with a groove with a position corresponding to the convex hull.
As a further description of the above technical solution:
The first spray device comprises a first spray arm, the first spray arm is rotatably arranged on the first spray device, a plurality of first spray holes are formed in the bottom of the first spray arm, a first synchronous belt wheel is arranged on the first spray arm, a second synchronous belt wheel is arranged at the output end of the first servo motor, and the second synchronous belt wheel is connected with the first synchronous belt wheel through the first synchronous belt.
As a further description of the above technical solution:
the diameter of the first spraying hole is larger than that of the second spraying hole on the second spraying device.
As a further description of the above technical solution:
the waste liquid temporary storage box is further provided with a third drain pipe, the third drain pipe is provided with a third electromagnetic valve, the third drain pipe is communicated to the waste liquid recovery box, and the waste liquid temporary storage box is further internally provided with a second water quality probe.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. In the invention, the waste water of the second cleaning product in the second cleaning pool is recycled by the first spraying device after being recovered due to low pollutant concentration, so that the waste of cleaning liquid is avoided, and the pollutant concentration in the waste water generated by the first cleaning is improved, thereby ensuring the pollutant concentration of the cleaning waste water in the waste liquid recovery tank.
2. According to the invention, the waste water generated by cleaning is kept stand in the waste liquid recovery tank, and when the water quality in the waste liquid recovery tank is fed back by the first water quality probe to reach the set threshold value, the waste water is discharged to the waste water treatment tank for treatment through the main drainage pipe, so that the pollutant concentration in the clean waste water generated by cleaning is effectively ensured, the waste water adsorption treatment efficiency is high, and the waste of treatment agents is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a wastewater treatment device in a wastewater treatment process for treating a surface of a mobile phone middle plate.
Fig. 2 is a schematic diagram of a wastewater treatment device in a wastewater treatment process for treating the surface of a mobile phone middle plate.
Fig. 3 is a schematic diagram of a wastewater treatment device in a wastewater treatment process for treating the surface of a mobile phone middle plate.
Legend description:
1. A first cleaning tank; 11. a first spraying device; 111. a main liquid supply pipe; 112. a cleaning liquid replenishing pipe; 1121. a first electromagnetic valve; 113. a first drain pipe; 114. a first spray arm; 1141. a first spray hole; 115. a first servo motor; 116. a first synchronization belt; 2. a second cleaning tank; 21. a second spraying device; 211. a second spray liquid supply pipe; 22. a second drain pipe; 3. a waste liquid temporary storage box; 31. a water return pipe; 311. a water pump; 32. a third drain pipe; 33. a second water quality probe; 4. a waste liquid recovery tank; 41. a drainage main pipe; 42. a first water quality probe; 421. a water discharge branch pipe; 43. a partition plate; 431. a weeping hole; 432. a locking plate; 433. a driving member;
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In describing embodiments of the present invention, it should be noted that, the azimuth or positional relationship indicated by the terms "upper", "inner", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that the inventive product is conventionally put in use, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
Referring to fig. 1-3, the present invention provides a technical solution: a mobile phone middle plate surface treatment wastewater treatment process is realized based on a wastewater treatment device, and the wastewater treatment device comprises:
The cleaning device comprises a first cleaning pool 1, a first spraying device 11 is arranged above the first cleaning pool, a main liquid supply pipe 111 is arranged on the first spraying device 11, a cleaning liquid supplementing pipe is arranged on the main liquid supply pipe 111, a first electromagnetic valve 1121 is arranged on the cleaning liquid supplementing pipe 112, and a first drain pipe 113 is arranged at the bottom of the first spraying device 11;
A second spraying device 21 is arranged above the second cleaning pool 2, a second spraying liquid supply pipe 211 is arranged on the second spraying device 21, and a second drain pipe 22 is arranged at the bottom of the second cleaning pool 2;
The waste liquid temporary storage box 3 is provided with a water return pipe 31, the water return pipe 31 is connected with the main liquid supply pipe 111, the water return pipe 31 is provided with a water pump 311, and the second water drain pipe 22 is communicated with the waste liquid temporary storage box 3;
The waste liquid recovery tank 4 is communicated to the waste water treatment tank through the drainage main pipe 41, a first water quality probe 42 is arranged in the waste liquid recovery tank 4, and the first water quality probe 42 is connected with a water quality analyzer;
The wastewater treatment process comprises the following steps:
S1, primary cleaning: the product to be cleaned is put into the first cleaning pool 1, the first spraying device 11 sprays and cleans the product to be cleaned, and the generated primary cleaning wastewater is discharged to the waste liquid recovery tank 4 through the first drain pipe 113;
s2, secondary cleaning: taking out the product to be cleaned from the first cleaning pool 1 and putting the product into the second cleaning pool 2, starting the second spraying device 21 to clean the product to be cleaned, and discharging the generated secondary cleaning wastewater to the waste liquid temporary storage box 3 through the second drain pipe 22;
S3, wastewater circulation: the secondary cleaning wastewater in the waste liquid temporary storage tank 3 is supplemented to the main liquid supply pipe 111 of the first spraying device 11 through the water return pipe 31, so that the first spraying device 11 performs primary cleaning in the first cleaning tank 1 through the secondary cleaning wastewater;
s4, discharging waste water: after the wastewater in the wastewater recovery tank 4 is kept stand, when the first water quality probe 42 feeds back that the water quality in the wastewater recovery tank 4 reaches a set threshold, the wastewater is discharged to the wastewater treatment tank through the main drainage pipe 41.
In addition, in fig. 1 to 3, the waste liquid temporary storage tank 3 and the waste liquid recovery tank 4 are partially cut-away schematic views, and the front panel is hidden.
When the second cleaning wastewater supplied from the waste liquid temporary storage tank 3 is insufficient, the first solenoid valve 1121 is opened, and the main liquid supply pipe 111 can be supplied with the unused cleaning liquid through the cleaning liquid supply pipe 112.
A plurality of parallel partition plates 43 are arranged in the waste liquid recovery tank 4, liquid leakage holes 431 are formed in the end portions of the partition plates 43, a plurality of locking plates 432 are arranged on the back surfaces of the partition plates 43, driving pieces 433 are arranged on the back surfaces of the locking plates 432, and the driving pieces 433 are used for driving the locking plates 432 to seal the liquid leakage holes 431.
A plurality of first water quality probes 42 are arranged in the waste liquid recovery tank 4, the first water quality probes 42 and the partition plates 43 are arranged at intervals, a drainage branch pipe 421 is arranged on one side of each first water quality probe 42, and the drainage branch pipe 421 is communicated to the drainage main pipe 41.
The driving member 433 may be an electric push rod. When the waste water generated by cleaning is kept still in the waste liquid recovery tank 4, as pollutants in the waste water are easy to precipitate to the bottom, a plurality of partition boards 43 form a labyrinth structure in the waste liquid recovery tank 4, the space between the partition boards 43 on the upper side and the lower side is conveniently partitioned by a locking board 432, and the water quality of the waste water in different layers is detected by the first water quality probes 42 with different heights, so that the waste water is drained through the drain branch pipes 421 with different heights in a targeted manner, the drain branch pipes 421 are controlled to be opened and closed through electromagnetic valves, the drain efficiency is effectively improved, the concentration of the pollutants in the discharged waste water is controlled,
The inner wall of the waste liquid recovery tank 4 is provided with a convex hull, and the locking plate 432 is provided with a groove with a position corresponding to the convex hull. When the locking plate 432 stretches out, the locking plate 432 is spliced and locked with the convex hull, deformation and falling of the locking plate 432 are effectively prevented, and the sealing effect is guaranteed.
The first spray device 11 comprises a first spray arm 114, the first spray arm 114 is rotatably arranged on the first spray device 11, a plurality of first spray holes 1141 are formed in the bottom of the first spray arm 114, a first synchronous belt wheel is arranged on the first spray arm 114, a second synchronous belt wheel is arranged at the output end of a first servo motor 115, and the second synchronous belt wheel is connected with the first synchronous belt wheel through a first synchronous belt 116. The first servo motor 115 enables the first synchronous belt 116 to drive the first spray arm 114 to swing reciprocally through intermittent positive and negative rotation, so that the cleaning effect of the first spray arm 114 on the product to be cleaned is improved.
The diameter of the first spray holes 1141 is larger than the diameter of the second spray holes on the second spray device 21. When the product to be cleaned is cleaned for the first time, the diameter of the first spraying hole 1141 is large, the spraying amount of the cleaning liquid is guaranteed, and when the product to be cleaned is cleaned for the second time, the diameter of the second spraying hole is small, so that the water flow impact force is improved, and the cleaning effect is improved.
The waste liquid temporary storage box 3 is further provided with a third drain pipe 32, the third drain pipe 32 is provided with a third electromagnetic valve, the third drain pipe 32 is communicated to the waste liquid recovery box 4, and the waste liquid temporary storage box 3 is further internally provided with a second water quality probe 33. The waste liquid temporary storage tank 3 is internally provided with a second water quality probe 33 for water quality detection, when the water quality exceeds a set threshold S3, the quality of waste water generated by the second cleaning does not meet the requirement of recycling, and reaches a set threshold of direct discharge, a third electromagnetic valve on a third drain pipe 32 is opened to directly discharge the waste water to the waste liquid recovery tank 4, and the waste water is discharged to the waste liquid temporary storage tank, and after the waste water is emptied, the waste water is cleaned again, when the water quality exceeds the set threshold S2 and is smaller than the set threshold S3, the waste water is cleaned to the second time, the time of the second cleaning is prolonged, and after the water quality of collected waste water in the waste liquid temporary storage tank 3 is lower than the set threshold S2, the waste water is temporarily stored in the waste liquid temporary storage tank 3 and waits for recycling of the first spraying device 11. The magnitude of the threshold S3 is greater than the magnitude of the threshold S2.
Working principle: the waste water that waits to clean the product in the second clean pond 2 carries out the second time clean, because the pollutant concentration is low, is recycled by first spray set 11 after retrieving, avoids the waste of cleaning solution on the one hand, on the other hand can improve the pollutant concentration in the waste water that clean produced for the first time to guarantee the pollutant concentration of clean waste water in the waste liquid recovery tank 4. The waste water that the cleanness produced is kept still in waste liquid recovery case 4, when the water quality reaches the settlement threshold value in the waste liquid recovery case 4 is fed back to first quality of water probe 42, is discharged to the waste water treatment pond through drainage main pipe 41 with the waste water and handles for effectively guaranteeing the pollutant concentration in the clean waste water that the cleanness produced for waste water adsorption treatment efficiency is high, avoids handling the medicament extravagant.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a cell-phone medium plate surface treatment wastewater treatment technology, its characterized in that, wastewater treatment technology is realized based on wastewater treatment device, wastewater treatment device includes:
The cleaning device comprises a first cleaning pool, a first spray device is arranged above the first cleaning pool, a main liquid supply pipe is arranged on the first spray device, a cleaning liquid supplementing pipe is arranged on the main liquid supply pipe, a first electromagnetic valve is arranged on the cleaning liquid supplementing pipe, and a first drain pipe is arranged at the bottom of the first spray device;
The second cleaning pool is provided with a second spraying device above, a second spraying liquid supply pipe is arranged on the second spraying device, and a second drain pipe is arranged at the bottom of the second cleaning pool;
the waste liquid temporary storage box is provided with a water return pipe, the water return pipe is connected with the main liquid supply pipe, the water return pipe is provided with a water pump, and the second water drain pipe is communicated to the waste liquid temporary storage box;
The waste liquid recovery tank is communicated to the waste water treatment tank through the drainage main pipe, a first water quality probe is arranged in the waste liquid recovery tank, and the first water quality probe is connected with the water quality analyzer;
The wastewater treatment process comprises the following steps:
s1, primary cleaning: placing the product to be cleaned into a first cleaning pool, spraying and cleaning the product to be cleaned by a first spraying device, and discharging the generated primary cleaning wastewater to a waste liquid recovery tank through a first drain pipe;
S2, secondary cleaning: taking out the product to be cleaned from the first cleaning pool, putting the product into a second cleaning pool, starting a second spraying device, cleaning the product to be cleaned, and discharging generated secondary cleaning wastewater to a waste liquid temporary storage box through a second drain pipe;
s3, wastewater circulation: the secondary cleaning wastewater in the waste liquid temporary storage tank is supplemented to a main liquid supply pipe of the first spraying device through a water return pipe, so that the first spraying device performs primary cleaning in the first cleaning pool through the secondary cleaning wastewater;
S4, discharging waste water: after the wastewater in the wastewater recovery tank is kept stand, when the water quality in the wastewater recovery tank fed back by the first water quality probe reaches a set threshold value, the wastewater is discharged to the wastewater treatment tank through the main drainage pipe.
2. The mobile phone middle plate surface treatment wastewater treatment process according to claim 1, wherein a plurality of clapboards which are arranged in parallel are arranged in the wastewater recovery box, liquid leakage holes are formed at the end parts of the clapboards, a plurality of locking plates are arranged on the back surfaces of the clapboards, driving pieces are arranged on the back surfaces of the locking plates, and the driving pieces are used for driving the locking plates to seal the liquid leakage holes.
3. The process for treating wastewater on the surface of a mobile phone middle plate according to claim 2, wherein a plurality of first water quality probes are arranged in the wastewater recovery tank, the first water quality probes and the partition plate are arranged at intervals, a drainage branch pipe is arranged on one side of each first water quality probe, and the drainage branch pipe is communicated to the drainage main pipe.
4. The process for treating wastewater on the surface of the middle plate of the mobile phone according to claim 2, wherein a convex hull is arranged on the inner wall of the waste liquid recovery box, and a groove with a position corresponding to the convex hull is arranged on the locking plate.
5. The process for treating wastewater on the surface of the middle plate of the mobile phone according to claim 1, wherein the first spray device comprises a first spray arm, the first spray arm is rotatably installed on the first spray device, a plurality of first spray holes are formed in the bottom of the first spray arm, a first synchronous belt wheel is arranged on the first spray arm, a second synchronous belt wheel is arranged at the output end of the first servo motor, and the second synchronous belt wheel is connected with the first synchronous belt wheel through a first synchronous belt.
6. The process for treating wastewater on a mobile phone middle plate surface according to claim 5, wherein the diameter of the first spraying hole is larger than that of the second spraying hole on the second spraying device.
7. The process for treating wastewater on the surface of the middle plate of the mobile phone according to claim 1, wherein a third drain pipe is further arranged on the temporary waste liquid storage box, a third electromagnetic valve is arranged on the third drain pipe, the third drain pipe is communicated to the waste liquid recovery box, and a second water quality probe is further arranged in the temporary waste liquid storage box.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411096147.5A CN118808209B (en) | 2024-08-12 | 2024-08-12 | A wastewater treatment process for mobile phone mid-plate surface treatment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411096147.5A CN118808209B (en) | 2024-08-12 | 2024-08-12 | A wastewater treatment process for mobile phone mid-plate surface treatment |
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| CN118808209B CN118808209B (en) | 2025-11-18 |
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| CN118808209B (en) | 2025-11-18 |
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