Multi-stage settlement type oil stone polishing sewage treatment mechanism

Abstract

The application discloses a multi-stage settlement type oil stone polishing sewage treatment mechanism, which comprises a water tank and at least two barriers, the barriers are arranged in the water tank in a water flow direction and are spaced apart to divide the water tank into at least three chambers, each barrier is provided with an overflow hole, and the height of the overflow hole decreases in the water flow direction; the barriers and the overflow holes are arranged, and multi-stage static settlement chambers are formed in the water tank, impurities can be filtered step by step, large-particle impurities in sewage can be settled in front chambers first, small-particle impurities can continue to settle in subsequent chambers, the impurity settlement time is prolonged, the impurity settlement sufficiency is improved, the problem that water quality is poor after single-stage settlement treatment and recycling is difficult is solved, meanwhile, the cleanliness of treated sewage is ensured through multi-stage filtration, the requirement that the treated sewage is used for polishing spraying or equipment cleaning again is met, and the water resource recycling rate is improved.

Description

Technical Field

[0001] This application relates to the field of oilstone treatment equipment technology, and in particular to a multi-stage sedimentation type oilstone grinding wastewater treatment mechanism. Background Technology

[0002] During the oilstone grinding process, water needs to be continuously sprayed onto the oilstone and grinding disc to cool them and prevent dust adhesion and diffusion. This generates wastewater containing oilstone powder, grinding disc debris, and airborne dust. Currently, the methods for treating this wastewater have significant shortcomings. In some scenarios, the wastewater is directly discharged, polluting the environment and causing a serious waste of water resources. In other scenarios, centralized treatment at specialized wastewater treatment plants is required. This method incurs additional transportation and treatment costs and has a long treatment cycle, failing to meet the need for on-site immediate recycling.

[0003] Furthermore, existing simple treatment devices are mostly single-stage sedimentation structures, resulting in insufficient sedimentation of impurities and poor water quality after treatment. This makes it difficult to reuse the treated water for grinding, spraying, or equipment cleaning, leading to low water resource recycling rates. Additionally, the fixed structure of traditional devices prevents adjustments to treatment capacity based on actual operating conditions such as wastewater volume and impurity content, resulting in limited adaptability.

[0004] Therefore, there is an urgent need for a treatment mechanism that can efficiently treat wastewater from oilstone grinding on-site, realize water resource recycling, and has a flexible structure to adapt to different working conditions, in order to solve the problems of environmental pollution, high cost, low recycling rate and poor adaptability in existing technologies. Summary of the Invention

[0005] The purpose of this application is to overcome the shortcomings of the existing technology and provide a multi-stage sedimentation type oilstone grinding wastewater treatment mechanism.

[0006] To achieve the above technical objectives, this application provides a multi-stage sedimentation type wastewater treatment mechanism for oilstone grinding, comprising: a water tank connected to an oilstone grinding device for receiving wastewater generated during grinding; at least two baffles spaced apart within the water tank along the water flow direction, dividing the water tank into at least three chambers; wherein, the water tank has an inlet on one side and an outlet on the other side, the inlet being connected to the oilstone grinding device, and the water flow direction being from the inlet to the outlet; each baffle is provided with an overflow hole, the height of the overflow hole decreasing along the water flow direction, and the outlet being lower than the overflow hole.

[0007] Furthermore, the position of the baffle is adjustable along the direction of water flow; adjusting the position of the baffle can change the volume of the relevant chamber.

[0008] Furthermore, the inner wall of the water tank is provided with at least three sets of slots, which are spaced apart along the water flow direction. Any slot is symmetrically arranged along the width direction, and the width direction, water flow direction, and height direction are perpendicular to each other. The panel can be fixed in the slot by plugging it in.

[0009] Furthermore, the inner wall of the slot is provided with a sealing groove, which is used to embed an elastic seal; when the railing is inserted into the slot, the elastic seal is squeezed and deformed, which can fill the gap between the railing and the slot.

[0010] Furthermore, the bottom of the slot is provided with a drainage hole to prevent liquid accumulation and corrosion.

[0011] Furthermore, the slot is equipped with an electromagnet, and the railing is made of ferromagnetic material. After the railing is inserted into the slot, the electromagnet is activated, and the railing can press firmly against the slot.

[0012] Furthermore, each slot is used to install a parapet; the parapet is a modular, addable and removable structure. Increasing the number of parapets inserted into the slots can create more chambers and improve the settlement level, while reducing the number of parapets inserted into the slots can reduce the number of chambers and lower the settlement level.

[0013] Furthermore, the diameter of the overflow orifice decreases along the direction of water flow.

[0014] Furthermore, the water tank is designed as an open-top frame; the multi-stage settling stone grinding sewage treatment mechanism also includes a perforated cover assembly, which is used to cover the open top of the water tank and is detachably connected to the water tank; the perforated cover assembly includes at least two independently detachable perforated cover plates, each of which has multiple vent holes.

[0015] Furthermore, the multi-stage sedimentation type oilstone grinding wastewater treatment system also includes a screen washing basket, which can replace the perforated cover plate and be installed on the water tank. Some of the screen washing baskets can be immersed in the liquid to make efficient use of water resources.

[0016] This application provides a multi-stage settling wastewater treatment mechanism for oilstone grinding, including a water tank and at least two baffles. The baffles are spaced apart in the water tank along the water flow direction, dividing the water tank into at least three chambers. Each baffle is provided with an overflow hole, the height of which decreases along the water flow direction. The baffles and overflow holes create multi-stage settling chambers within the water tank. Because the density of solid impurities in the wastewater is greater than that of water, during the settling process, the impurities are subject to gravity, overcoming the buoyancy of the water, and gradually sinking and depositing at the bottom of the chambers, thus achieving solid-liquid separation. Furthermore, large particles... The impurities can settle quickly in the first chamber, and smaller particles that do not have time to settle can settle more fully in subsequent chambers due to the longer settling time (the water flow path is longer through multiple chambers). In this way, even if the initial wastewater has a high impurity content, multi-stage sedimentation can treat the wastewater step by step, avoid the accumulation of impurities affecting the treatment effect, and make it more stable. Through step-by-step filtration, each chamber can "purify and upgrade" the wastewater, so that the water discharged from the outlet has less impurities, in order to meet the requirements of circulating spray or equipment cleaning and improve water resource utilization.

[0017] The multi-stage sedimentation wastewater treatment system for oilstone grinding provided in this application treats wastewater through multi-stage sedimentation. On the one hand, it eliminates the need to transport wastewater to a specialized factory, allowing for direct treatment on-site, saving transportation and treatment costs. The treatment process is completed instantly, meeting the needs of on-site recycling and avoiding environmental pollution and water waste caused by direct discharge. On the other hand, compared to single-stage sedimentation structures, the multi-stage chamber design allows large particles of impurities in the wastewater to settle first in the earlier chambers, while smaller particles continue to settle in subsequent chambers. This extends the settling time and improves the sufficiency of impurity settling, solving the problem of poor water quality and difficulty in recycling after single-stage sedimentation. Simultaneously, multi-stage filtration ensures the cleanliness of the treated wastewater, meeting the requirements for reuse in grinding spraying or equipment cleaning, thus contributing to improved water resource recycling rates. Attached Figure Description

[0018] Figure 1 Structural cross-sectional view of the first multi-stage sedimentation type oilstone grinding wastewater treatment mechanism provided in this application; Figure 2 A top view of the second type of multi-stage sedimentation oilstone grinding wastewater treatment mechanism provided in this application, omitting the side panels; Figure 3 for Figure 1 The diagram shows a top view of the first type of multi-stage sedimentation oilstone grinding wastewater treatment mechanism. Figure 4 This is a structural cross-sectional view of the third type of multi-stage sedimentation oilstone grinding wastewater treatment mechanism provided in this application. Detailed Implementation

[0019] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0020] During the oilstone polishing process, to prevent the oilstone and grinding disc from generating excessively high temperatures due to high-speed friction, which could lead to damage, and to prevent the spread of dust generated during polishing, which could pollute the environment and affect processing accuracy, cooling water needs to be continuously sprayed onto the polishing area. During the spraying process, the cooling water will fully mix with the powder ground off the surface of the oilstone, the debris generated by the wear of the grinding disc, and the suspended dust in the surrounding environment, forming a mixed liquid containing a large number of solid impurities. This mixed liquid is the wastewater described in this application.

[0021] Because the solid impurities (such as oilstone powder, metal shavings, etc.) contained in the wastewater can affect its direct recycling (e.g., it may clog pipes or scratch processed parts when reused for spraying), and direct discharge will cause the deposition of environmental pollutants, which does not meet environmental protection requirements, it needs to be treated before reuse or discharge.

[0022] This application provides a multi-stage sedimentation type wastewater treatment mechanism for oilstone grinding, including: a water tank 1, connected to an oilstone grinding device, for receiving wastewater generated during grinding; at least two baffles 2, spaced apart in the water tank 1 along the water flow direction, dividing the water tank 1 into at least three chambers; wherein, the water tank 1 has an inlet 1a on one side and an outlet 1b on the other side, the inlet 1a is connected to the oilstone grinding device, and the water flow direction is from the inlet 1a to the outlet 1b; each baffle 2 is provided with an overflow hole, the height of the overflow hole decreases along the water flow direction, and the outlet 1b is lower than the overflow hole.

[0023] For details, please refer to Figure 1 In the illustrated embodiment, the water tank 1 is a frame structure with an open top, used to provide a closed containment space for sewage treatment. The material can be rust-resistant metal or high-strength plastic.

[0024] Water tank 1 is the main support structure of the processing mechanism and is placed horizontally near the oilstone grinding equipment.

[0025] Figure 1In the illustrated embodiment, water tank 1 has an inlet 1a on the right side and an outlet 1b on the left side. Both inlet 1a and outlet 1b are tubular interfaces that can be connected to external systems via pipes. Inlet 1a connects to the oilstone grinding equipment and is responsible for introducing the wastewater generated during grinding into water tank 1; outlet 1b is responsible for exporting the treated clean water to the recycling pipeline. At this time, the water flow direction is from right to left.

[0026] Continue to refer to Figure 1 Along the left-right direction, the water tank 1 is equipped with two baffles 2, which divide the water tank 1 into three independent chambers A, B, and C. For ease of explanation, the baffle 2 closest to the inlet 1a is referred to as the first baffle, and the other baffle 2 as the second baffle. Both baffles 2 are equipped with overflow holes. The overflow hole 2a on the first baffle is higher than the overflow hole 2b on the second baffle, and the overflow hole 2b on the second baffle is higher than the outlet 1b, thereby preventing liquid backflow in the next chamber.

[0027] The system incorporates baffles and overflow holes to create multi-stage settling chambers. Since the density of solid impurities in wastewater is greater than that of water, during the settling process, the impurities, under the influence of gravity, overcome the buoyancy of the water and gradually sink to the bottom of the chambers, thus achieving solid-liquid separation. Furthermore, large particles settle quickly in the first chamber, while smaller particles that don't have time to settle can settle more fully in subsequent chambers due to the extended settling time (the water flow path is longer across multiple chambers). Therefore, even if the initial wastewater has a high impurity content, multi-stage settling can treat the wastewater step-by-step, preventing impurity accumulation from affecting the treatment effect and resulting in greater stability. Through step-by-step filtration, each chamber can perform a "purification upgrade" on the wastewater, ensuring that the water exiting from outlet 1b contains fewer impurities, meeting the requirements for circulating spraying or equipment cleaning and improving water resource utilization.

[0028] During operation, wastewater generated from oilstone grinding flows into chamber A through inlet 1a. In chamber A, the wastewater settles, and under gravity, denser solid impurities (such as large oilstone powder and grinding disc debris) gradually settle to the bottom, while the clearer liquid at the top gradually rises. When the water level in chamber A reaches the overflow hole 2a on the first baffle, the clear water in chamber A flows into chamber B through overflow hole 2a. In chamber B, the wastewater settles again, and solid impurities continue to settle. When the water level in chamber B rises to the overflow hole 2b on the second baffle, the clear water in chamber B flows into chamber C through overflow hole 2b. If there are more baffles 2, this process will continue to repeat, achieving multi-stage settling. The clear water treated in the last chamber can be discharged through outlet 1b and enters the recycling system to be used again as cooling water for spraying the oilstone.

[0029] The multi-stage sedimentation wastewater treatment system for oilstone grinding provided in this application treats wastewater through multi-stage sedimentation. On the one hand, it eliminates the need to transport wastewater to a specialized factory, allowing for direct treatment on-site, saving transportation and treatment costs. The treatment process is completed instantly, meeting the needs of on-site recycling and avoiding environmental pollution and water waste caused by direct discharge. On the other hand, compared to single-stage sedimentation structures, the multi-stage chamber design allows large particles of impurities in the wastewater to settle first in the earlier chambers, while smaller particles continue to settle in subsequent chambers. This extends the settling time and improves the sufficiency of impurity settling, solving the problem of poor water quality and difficulty in recycling after single-stage sedimentation. Simultaneously, multi-stage filtration ensures the cleanliness of the treated wastewater, meeting the requirements for reuse in grinding spraying or equipment cleaning, thus contributing to improved water resource recycling rates.

[0030] Optionally, the position of the baffle 2 is adjustable along the water flow direction; adjusting the position of the baffle 2 can change the volume of the relevant chamber.

[0031] The position of the adjustable baffle 2 is mainly to adapt to different actual working conditions such as wastewater discharge volume and impurity content. When the wastewater discharge volume is large or the impurity particles are coarse, the volume of the pre-stage chamber needs to be increased to prolong the settling time and ensure that large particles of impurities settle fully. When the wastewater volume is small or the impurities are mainly fine particles, the volume of the pre-stage chamber can be reduced and the volume of the post-stage chamber can be increased to avoid wasting space and improve the treatment efficiency of fine particles.

[0032] This adjustment capability solves the problems of fixed structure and weak adaptability of traditional devices, allowing the equipment to flexibly respond to changes in operating conditions.

[0033] To facilitate adjustment of the position of the baffle plate 2, in one embodiment, the inner wall of the water tank 1 is provided with a long strip-shaped groove extending along the water flow direction. A slider is disposed in the groove, and the baffle plate 2 is connected to the slider. The slider can move along the groove in the water flow direction. Before operation, the baffle plate 2 is slid to the target position and then the slider or baffle plate is locked onto the water tank 1 by bolts, clamps, or other fasteners, thereby achieving the desired chamber volume adjustment.

[0034] In another embodiment, the inner wall of the water tank 1 is provided with multiple sets of positioning holes, which are evenly distributed along the water flow direction. The sides of the baffle 2 are provided with retractable pins, the size of which matches the positioning holes. During adjustment, the pins are pulled out, the baffle 2 is moved to the desired position of another positioning hole, and then the pins are inserted into the positioning hole to adjust the position of the baffle 2.

[0035] This application does not limit the specific adjustment method of the position of the panel 2.

[0036] In one specific embodiment, the inner wall of the water tank 1 is provided with at least three sets of slots 1c, the at least three sets of slots 1c are spaced apart along the water flow direction, any slot 1c is symmetrically arranged along the width direction, and the width direction, water flow direction and height direction are perpendicular to each other; the panel 2 can be fixed in the slot 1c by plugging.

[0037] For details, please refer to Figure 2 In the illustrated embodiment, the water tank 1 is provided with five sets of slots 1c. The five sets of slots 1c are distributed at equal or unequal intervals along the water flow direction. Each slot 1c extends along the width direction of the water tank 1 and is symmetrical along the width direction. The slot 1c can be U-shaped, which can restrict three sides of the baffle 2, or it can be composed of two opposing I-shaped slots, which can cooperate to restrict the two sides of the baffle 2. The width of the slot 1c is slightly larger than the thickness of the baffle 2 to facilitate the insertion of the baffle 2. The slot 1c has a certain depth to stably support the baffle 2 so that the baffle 2 is in an upright position in the water tank 1. The material of the slot 1c is the same as that of the main body of the water tank 1 (such as metal or high-strength plastic), and the slot wall is smooth to reduce the insertion and removal resistance of the baffle 2.

[0038] In use, select the appropriate slot 1c according to the working conditions such as sewage volume and impurity particle size, and insert the guardrail 2 into it along the height direction. The grooves on both sides of the guardrail 2 are used to fix it. If the position needs to be adjusted, simply pull the guardrail 2 out of the current slot 1c and insert it into another set of slots 1c. The five sets of slots 1c can support the guardrail 2 to be fixed in at least five different positions, thereby flexibly adjusting the spacing between adjacent guardrail 2.

[0039] By selecting different sets of slots 1c to install the baffles 2, the volume of adjacent chambers can be changed (e.g., increasing the volume of chamber A on the inlet side to prolong the settling time of large particles, or reducing the volume of chamber B to adapt to small flow sewage). At the same time, by increasing or decreasing the number of baffles 2 (e.g., inserting two baffles 2 to form three chambers, or inserting four baffles 2 to form five chambers), the settling stage can be adjusted.

[0040] The plug-in / plug-out design of slot 1c and baffle 2 is simple and easy to operate, achieving stable installation without the need for additional fasteners. In addition, the design of multiple slots 1c provides multiple adjustment options, solving the problem that traditional fixing structures cannot adapt to changes in working conditions, improving the equipment's adaptability to different sewage characteristics, and the symmetrical groove design ensures the verticality of baffle 2 after installation, avoiding short-circuiting of water flow due to tilting, thereby ensuring stable settling effect.

[0041] Optionally, the inner wall of the slot 1c is provided with a sealing groove 1d, which is used to embed an elastic seal; when the guard plate 2 is inserted into the slot 1c, the elastic seal is squeezed and deformed, which can fill the gap between the guard plate 2 and the slot 1c.

[0042] For details, please refer to Figure 2 In the illustrated embodiment, sealing grooves 1d are provided on the two side walls of the slot 1c that contact the guardrail 2. That is, there are two sets of opposing sealing grooves 1d in one slot 1c. The cross-section of the sealing groove 1d is rectangular, the depth is slightly less than the thickness of the elastic seal, and the length covers the extension direction of the slot 1c to ensure a complete seal of the insertion area of ​​the guardrail 2. The edges of the sealing groove 1d are rounded to avoid scratching the elastic seal during installation.

[0043] In use, the elastic seal is first embedded in the sealing groove 1d, with part of the elastic seal protruding outwards. When the guardrail 2 is inserted along the slot 1c, its two sides will squeeze the protruding elastic seal, forcing the elastic seal to undergo elastic deformation and fit tightly against the guardrail 2, forming a sealing structure.

[0044] The resilient seal can be made of water-resistant and wear-resistant rubber or silicone strips. The cross-section of the resilient seal is semi-circular or rectangular, and its length matches the sealing groove 1d. The surface of the resilient seal is smooth to reduce frictional resistance during insertion and removal of the guard plate 2. The resilient seal has a certain elastic modulus to ensure that it can fully fill the gap after compression without being damaged due to excessive deformation.

[0045] By using the deformation of the elastic seal to fill the gap, direct flow of sewage from the gap between the baffle plate 2 and the slot 1c can be effectively blocked, preventing unsettled sewage from short-circuiting and entering the next stage chamber, thus ensuring the step-by-step treatment effect of multi-stage settling. At the same time, the properties of the elastic material do not affect the insertion and removal adjustment of the baffle plate 2, balancing sealing performance and structural adjustability. This solves the problem of reduced treatment efficiency caused by gaps in slot-type baffle plates and helps extend the service life of the equipment.

[0046] Optionally, the bottom of the slot 1c is provided with a drain hole 1e to prevent liquid accumulation and corrosion.

[0047] For details, please refer to Figure 2 In the illustrated embodiment, slot 1c is a U-shaped groove that extends along its width from the left side wall of water tank 1 to the bottom wall and then to the right side wall. A drain hole 1e is located in the center of slot 1c on the bottom wall. When sewage seeps into the bottom of the tank through the tiny gap between the baffle 2 and slot 1c, the accumulated liquid will naturally flow out through the drain hole 1e under gravity, achieving automatic drainage without additional operation and avoiding the hassle of manual cleaning.

[0048] The function of the drain hole 1e is to drain the liquid accumulated at the bottom of the slot 1c in a timely manner, so as to prevent the liquid from stagnating for a long time and causing the slot 1c or the edge of the railing 2 to be corroded by impurities (such as oilstone powder, metal shavings) or corrosive components in the sewage, thereby extending the service life of the slot 1c and the railing 2 and ensuring the flexibility of the railing 2 for insertion and removal adjustment.

[0049] It should be noted that when the number of railings 2 is less than the number of slots 1c, the drain holes 1e in slots 1c that are not inserted into railings 2 need to be sealed with plugs to prevent water leakage.

[0050] Optionally, slot 1c is equipped with an electromagnet, and the guard plate 2 is made of ferromagnetic material. After the guard plate 2 is inserted into slot 1c, the electromagnet is activated, and the guard plate 2 can press tightly against slot 1c.

[0051] The electromagnet can be installed inside slot 1c, or adjacent to slot 1c, installed in the interlayer of water tank 1, or on its outer wall. When the baffle plate 2 (made of ferromagnetic material, such as low-carbon steel) is inserted into slot 1c, closing the control switch energizes the electromagnet, generating magnetism. This magnetic attraction then holds the baffle plate 2 tightly against the inner wall of slot 1c. To adjust the position of the baffle plate 2, the control switch is disconnected; the electromagnet loses its magnetism, the magnetic attraction disappears, and the baffle plate 2 can be easily removed for movement or replacement.

[0052] The magnetic attraction of the electromagnet further enhances the tightness of the fit between the baffle plate 2 and the slot 1c. Combined with a sealing structure (such as an elastic seal), this minimizes gaps and prevents sewage from flowing through gaps without settling, ensuring the step-by-step treatment effect of multi-stage settling. Furthermore, compared to mechanical locking structures, the electromagnet control method is convenient to operate, requiring no additional manual tightening steps. This ensures the stability of the baffle plate 2 during operation without affecting its position adjustment flexibility, effectively solving the problem of loosening caused by water flow impact when handling high-flow sewage in plug-in baffle plates.

[0053] In one embodiment, any slot 1c is used to install a baffle plate 2; the baffle plate 2 is a modular, addable and subtractable structure. Increasing the number of baffle plates 2 inserted into slot 1c can construct a larger number of chambers and improve the settlement level, while reducing the number of baffle plates 2 inserted into slot 1c can reduce the number of chambers and lower the settlement level.

[0054] Based on the multiple sets of slots 1c pre-set on the inner wall of water tank 1 (such as...) Figure 2 The five slots 1c can be three, four or even more. Each slot 1c can be installed with or without a railing 2. The structure can be adjusted by installing different numbers and / or different positions of railings 2.

[0055] by Figure 2 Taking the design of slot 1c as an example, when the baffle 2 is inserted only in the first and third groups of slots 1c, the water tank 1 is divided into three chambers, forming a three-stage settling. If the baffle 2 is inserted in the first, second, third, and fourth groups of slots 1c, the water tank 1 is divided into five chambers, forming a five-stage settling. Conversely, reducing the number of inserted baffle 2 can correspondingly reduce the number of chambers.

[0056] By modularly adding or removing baffles 2, the number of settling stages can be flexibly adjusted to adapt to different wastewater treatment needs. When treating wastewater with high impurity content and complex particles, increasing the number of baffles 2 to create more chambers can improve the settling level. By extending the residence time of wastewater in each chamber, it ensures that fine impurities settle sufficiently. When treating wastewater with fewer impurities, reducing the number of baffles 2 can lower the settling level and avoid energy consumption and space waste caused by overtreatment. This design solves the problem of fixed settling levels in traditional treatment devices, making it difficult to adapt to diverse operating conditions, and improves the equipment's versatility and energy efficiency.

[0057] Optionally, the diameter of the overflow orifice decreases along the direction of water flow.

[0058] Simply put, the further away the baffle plate 2 is from the inlet 1a, the smaller the diameter of its overflow orifice. For example, Figure 1 In the embodiment shown, the diameter of overflow hole 2a is larger than the diameter of overflow hole 2b.

[0059] The overflow orifice diameter decreases along the water flow direction, adapting to changes in wastewater volume and impurity content during multi-stage sedimentation, thereby optimizing sedimentation efficiency. Specifically, when wastewater enters the first chamber from inlet 1a, the water volume is large and contains many large particles of impurities. A larger diameter overflow orifice ensures smooth water flow and prevents excessively high water levels or impurities from clogging the orifice in the preceding chamber due to an excessively small orifice. As wastewater enters subsequent chambers, some impurities have settled after the preceding sedimentation, and the water volume is slightly reduced due to partial evaporation or retention. The remaining impurities are mostly fine particles. At this point, using a smaller diameter overflow orifice slows down the water flow, prolonging the residence time of wastewater in subsequent chambers, allowing more time for fine particles to settle. This also prevents excessively large orifices from carrying away unsettled fine particles due to excessively fast water flow, ensuring that each chamber effectively performs its sedimentation function, improving the overall cleanliness of the wastewater treatment, and further meeting the water quality requirements for recycling.

[0060] In one embodiment, the water tank 1 is configured as a frame with an open top; the multi-stage settling oilstone grinding sewage treatment mechanism also includes a perforated cover assembly 6, which is used to cover the open top of the water tank 1 and is detachably connected to the water tank 1; the perforated cover assembly 6 includes at least two perforated cover plates that can be independently installed and removed, and each perforated cover plate is provided with multiple vent holes.

[0061] For details, please refer to Figure 1 and Figure 3In the illustrated embodiment, the water tank 1 is a rectangular frame with an open top. Its top edge extends along the width direction to form a flat mounting surface, providing support for the perforated cover assembly 6. The perforated cover assembly 6 consists of six independent perforated cover plates that can completely cover the open top of the water tank 1. Each perforated cover plate has multiple arrayed circular vent holes (the hole diameter is designed to prevent items from falling in while ensuring ventilation). The edges of the perforated cover plates are flush with the mounting surface of the water tank 1, and the edges of adjacent cover plates are joined together to form a complete cover.

[0062] The purpose of using multiple perforated covers is to accommodate the open top and chamber partitioning structure of water tank 1, allowing for flexible localized operations through independent disassembly and assembly. When needed, a single perforated cover can be removed to clean the corresponding chamber (e.g., to remove settled sludge), without having to remove the entire cover, thus reducing the space occupied. Furthermore, the perforated covers are smaller in size after being disassembled, facilitating transport, replacement, and maintenance. The vents on the perforated covers balance the air pressure inside and outside water tank 1, preventing negative pressure caused by water flow disturbances and ensuring proper overflow. They also allow workers to easily observe the water level and sedimentation in each chamber.

[0063] To facilitate the installation and removal of the perforated cover, in one embodiment, the top of the side wall of the water tank 1 is provided with multiple raised rectangular inserts, and the bottom edge of the perforated cover facing the chamber is provided with corresponding insertion holes that match the inserts. During installation, the insertion holes are aligned with the inserts and inserted vertically, and the interference fit between the inserts and the insertion holes can be used to achieve fixation. During disassembly, the cover can be separated by lifting it upwards.

[0064] In another embodiment, the outer wall of the water tank 1 is provided with multiple elastic L-shaped buckles near the top, and the edge of the perforated cover is provided with a strip-shaped groove. During installation, the perforated cover is placed on the water tank 1, and the perforated cover is pushed so that the buckles are engaged in the grooves to lock the perforated cover and the water tank 1. During disassembly, the elastic end of the buckle is turned to disengage it from the groove, and the perforated cover can be removed.

[0065] This application does not limit the installation method of the perforated cover assembly 6. To strengthen the connection between the perforated cover plates, alignment connection structures such as magnets and positioning pin holes can also be provided on the abutting sides of the perforated cover plates to ensure the stability of the perforated cover assembly 6 during installation.

[0066] Optionally, the multi-stage settling oilstone grinding wastewater treatment mechanism provided in this application also includes a screen washing basket 7, which can replace the perforated cover plate and be installed on the water tank 1. Part of the screen washing basket 7 can be immersed in the liquid to make efficient use of water resources.

[0067] For details, please refer to Figure 4 In the illustrated embodiment, the washing basket 7 is a rectangular frame structure with an open top. The bottom and all four side walls of the frame are made of perforated mesh (the mesh openings are smaller than the size of the small items to be washed to prevent items from falling). The overall size is similar to... Figure 3In the illustrated embodiment, the combined area of ​​the two perforated cover plates is matched (in other embodiments, only one perforated cover plate can be replaced, and half of the chamber space can be used for cleaning). The edge is provided with a connection part (such as a hole corresponding to the plug or a slot corresponding to the buckle) that is adapted to the top mounting structure of the water tank 1, to ensure that it can be stably installed on the water tank 1.

[0068] When using treated water for cleaning small items (such as polishing tools and small parts), remove the two perforated cover plates above chamber C (near outlet 1b, where the water is cleanest), and install the washing basket 7 in the corresponding position through the edge connection, so that the bottom of the washing basket 7 is immersed in the liquid in the third chamber C (the immersion depth can be adjusted according to the size of the items to be cleaned, usually 1 / 3-1 / 2 of the basket height); put the small items to be cleaned into the basket, and manually stir or shake the basket to make the items fully contact the clean liquid, using the fluidity of the liquid to remove the stains.

[0069] The screen washing basket 7 is designed to fully utilize the clean water resources in the third chamber C after multi-stage sedimentation, achieving integrated "treatment-utilization" and avoiding waste caused by secondary water transfer. Compared to directly drawing water from the outlet 1b for cleaning, the screen washing basket 7 can be operated directly above the water tank, reducing the need for additional containers and simplifying the cleaning process. At the same time, the hollow structure of the screen washing basket 7 ensures liquid flow while preventing small items from falling into the water tank. It only occupies the upper space of the chamber and does not affect the sedimentation process of other chambers, significantly improving the efficiency of water resource utilization and the versatility of the equipment.

[0070] The above embodiments merely illustrate several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A multi-stage settling type oilstone grinding wastewater treatment mechanism, characterized in that, include: Water tank (1), connected to the oilstone grinding equipment, is used to receive wastewater generated during grinding; At least two baffles (2) are spaced apart in the water tank (1) along the direction of water flow, and divide the water tank (1) into at least three chambers; The water tank (1) has an inlet (1a) on one side and an outlet (1b) on the other side. The inlet (1a) is connected to the oilstone grinding equipment, and the water flow direction is from the inlet (1a) to the outlet (1b). Each of the aforementioned panels (2) is provided with an overflow hole, the height of which decreases along the direction of water flow, and the outlet (1b) is lower than the overflow hole.

2. The multi-stage settling type oilstone grinding wastewater treatment mechanism according to claim 1, characterized in that, The position of the baffle (2) is adjustable along the direction of water flow; Adjusting the position of the baffle (2) can change the volume of the relevant chamber.

3. The multi-stage settling type oilstone grinding wastewater treatment mechanism according to claim 2, characterized in that, The inner wall of the water tank (1) is provided with at least three sets of slots (1c), the at least three sets of slots (1c) are spaced apart along the water flow direction, any one of the slots (1c) is symmetrically arranged along the width direction, and the width direction, the water flow direction and the height direction are perpendicular to each other; The panel (2) can be fixed in the slot (1c) by plugging.

4. The multi-stage settling type oilstone grinding wastewater treatment mechanism according to claim 3, characterized in that, The inner wall of the slot (1c) is provided with a sealing groove (1d), which is used to embed an elastic seal. When the guardrail (2) is inserted into the slot (1c), the elastic seal is compressed and deformed, which can fill the gap between the guardrail (2) and the slot (1c).

5. The multi-stage settling type oilstone grinding wastewater treatment mechanism according to claim 3, characterized in that, The slot (1c) has a drainage hole (1e) at the bottom to prevent liquid accumulation and corrosion.

6. The multi-stage settling type oilstone grinding wastewater treatment mechanism according to claim 3, characterized in that, The slot (1c) is equipped with an electromagnet, and the guard plate (2) is made of ferromagnetic material. After the guard plate (2) is inserted into the slot (1c), the electromagnet is activated, and the guard plate (2) can press tightly against the slot (1c).

7. The multi-stage settling type oilstone grinding wastewater treatment mechanism according to claim 3, characterized in that, Any of the slots (1c) is used to mount one of the railings (2); The parapet (2) is a modular, addable and subtractable structure. Increasing the number of parapets (2) inserted into the slot (1c) can construct more chambers and improve the settlement level. Decreasing the number of parapets (2) inserted into the slot (1c) can reduce the number of chambers and lower the settlement level.

8. The multi-stage settling type oilstone grinding wastewater treatment mechanism according to claim 1, characterized in that, The diameter of the overflow hole decreases along the direction of water flow.

9. The multi-stage settling type oilstone grinding wastewater treatment mechanism according to any one of claims 1-8, characterized in that, The water tank (1) is configured as a frame with an open top; The multi-stage settling oilstone grinding sewage treatment mechanism also includes a perforated cover assembly (6), which is used to cover the open top of the water tank (1) and is detachably connected to the water tank (1). The perforated cover assembly (6) includes at least two independently detachable perforated cover plates, each of which is provided with multiple ventilation holes.

10. The multi-stage settling type oilstone grinding wastewater treatment mechanism according to claim 9, characterized in that, It also includes a sieve washing basket (7), which can replace the perforated cover plate and be installed on the water tank (1). Part of the sieve washing basket (7) can be immersed in the liquid so as to make efficient use of water resources.

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