A medical wastewater treatment device

Abstract

This utility model discloses a medical wastewater treatment device, belonging to the field of medical wastewater treatment equipment. It includes a treatment cylinder I and a treatment cylinder II. The treatment cylinder I is installed on the top of the treatment cylinder II and is reinforced by a limiting ring. It uses a combination of physical and chemical methods to treat medical wastewater, providing diverse treatment options and improving the treatment efficiency of medical wastewater. At the same time, the entire device is designed as an integrated unit, occupying a small area, which meets both wastewater treatment requirements and actual land use requirements.

Description

Technical Field

[0001] This utility model belongs to the field of medical wastewater treatment equipment, and more specifically, relates to a medical wastewater treatment device. Background Technology

[0002] Medical wastewater, due to its complex composition and high polluting potential, poses a potential threat to the environment and public health. Medical wastewater refers to wastewater generated during medical treatment, diagnosis, therapy, nursing, healthcare, and related scientific research and experimental activities. Its main sources include hospitals, clinics, laboratories, research institutions, and medical device manufacturing units. Medical wastewater has a complex composition, typically containing various organic and inorganic substances, pathogenic microorganisms, and drug residues.

[0003] Chinese Patent CN220317469U discloses a wastewater treatment device for biomedical reagent production, including a medical wastewater treatment tank. A fixed frame is fixedly installed above the tank, and a fixed plate is fixedly connected to the upper front side of the fixed frame. A telescopic cylinder is fixedly connected to the lower side of the fixed plate. The telescopic end of the cylinder passes through the upper end of the tank and is fixedly connected to a rotating mechanism. A filter mechanism is fixedly connected to one side of the tank via two connecting columns. A feed section is located in the middle of one side of the tank. This wastewater treatment device for biomedical reagent production effectively separates solids and liquids in the wastewater, preventing the equipment from being clogged by solid waste. It also allows for more thorough contact and a more complete reaction between the medical wastewater and the porous solid adsorbent, improving the wastewater treatment efficiency.

[0004] The above technical solution has the following drawbacks:

[0005] While physical filtration alone can treat medical wastewater to some extent, it cannot remove organic pollutants, drug residues, microorganisms, or fine suspended solids. Utility Model Content

[0006] To address the above deficiencies, this utility model provides a medical wastewater treatment device, comprising a treatment cylinder I and a treatment cylinder II, wherein the treatment cylinder I is installed on top of the treatment cylinder II and is reinforced by a limiting ring;

[0007] The processing cylinder I is equipped with a filter plate inside. A spiral screen plate is connected to the bottom of the filter plate. The top of the processing cylinder I is sealed by a sealing cover. A discharge pipe is fixedly connected to the sealing cover. The bottom of the spiral screen plate is provided with two discharge ends. The two discharge ends are respectively connected to the processing cylinder II through an installed electric valve.

[0008] The interior of the processing cylinder II is divided into two compartments by a partition. Each compartment corresponds to a different electric valve. The outer walls of each compartment are fixedly connected to a feeding pipe. An ultraviolet lamp and an oxygenator are installed inside each compartment. A discharge valve is installed at the bottom of each compartment.

[0009] Furthermore, a bearing is installed in the middle of the sealing cover, and a linkage rod is fixed inside the bearing. The top of the linkage rod is provided with a cross groove for connecting the drive device, and the bottom of the linkage rod is located inside the processing cylinder I and is fixed with bristles. The bristles are in contact with the upper surface of the filter plate.

[0010] Furthermore, the upper surface of the filter plate is concave, and the pore size of the filter plate is larger than that of the spiral sieve plate.

[0011] Furthermore, a water level sensor is installed on the inner wall of both the processing cylinder I and the two compartments.

[0012] Furthermore, the inner bottom walls of both compartments are sloped, and the discharge valves inside each compartment are located at the bottom of the horizontal position.

[0013] Compared with the prior art, the present invention has the following advantages:

[0014] This system employs a combination of physical and chemical methods to treat medical wastewater, offering diverse treatment options and improving treatment efficiency. Furthermore, the integrated design of the entire system minimizes space requirements, meeting both wastewater treatment needs and practical land constraints. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the present invention.

[0016] Figure 2 This is a cross-sectional view of the present invention.

[0017] In the diagram: 1. Processing cylinder I; 2. Processing cylinder II; 3. Sealing cover; 4. Feed pipe; 51. Linkage rod; 52. Bearing; 6. Limiting ring; 7. Brush bristles; 8. Filter plate; 9. Spiral screen plate; 10. Electric valve; 11. Feeding pipe; 12. Baffle plate; 14. Discharge valve; 15. Aerator; 16. Ultraviolet lamp; 17. Water level sensor. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] like Figures 1 to 2 As shown, this embodiment provides a medical wastewater treatment device, including a treatment cylinder I1 and a treatment cylinder II2. To facilitate subsequent disassembly and repair work, the bottom of the treatment cylinder I1 is fixed to the top of the treatment cylinder II2 by bolts and reinforced by a limiting ring 6 to prevent the stability of the two from being affected when the linkage rod 51 rotates.

[0020] Inside the treatment cylinder I1, a filter plate 8 is movably installed by suspension (or it can be placed directly on top of the spiral screen plate 9). The bottom of the filter plate 8 is connected to the spiral screen plate 9 (the spiral screen plate 9 is a spiral-shaped screen plate, which makes the material fall more smoothly compared to a flat screen plate, and also makes it easier to filter during the rolling process of the material). It should be noted that the upper surface of the filter plate 8 is concave, which allows the material in the wastewater to accumulate here, making it easy for the brush bristles 7 to brush and prevent the filter holes from clogging. The aperture value of the filter plate 8 is larger than that of the spiral screen plate 9, thereby achieving the purpose of graded filtration. The top of the treatment cylinder I1 is sealed by a sealing cover 3 (a traditional threaded fixing method is sufficient, which is convenient for collecting impurities inside the treatment cylinder I1 after subsequent disassembly). A feed pipe 4 is fixedly connected to the sealing cover 3. The bottom of the spiral screen plate 9 has two feed ends, which are connected to the treatment cylinder II2 through installed electric valves 10. The controllers of the two electric valves 10 are installed on both sides of the treatment cylinder I1 for operation by the staff.

[0021] The sealing cover 3 has a bearing 52 installed in the middle, and a linkage rod 51 is fixed inside the bearing 52. The top of the linkage rod 51 is provided with a cross groove for connecting the drive equipment (the output end of the motor can be connected to the cross cutter head and inserted into the cross groove to achieve linkage). The bottom of the linkage rod 51 is located inside the processing cylinder I1 and is fixed with brush bristles 7. The brush bristles 7 are in contact with the upper surface of the filter plate 8 and are used to brush the impurities accumulated on the surface of the filter plate 8 to prevent clogging.

[0022] The interior of the treatment cylinder II2 is divided into two compartments by a partition 12. Each compartment corresponds to a different electric valve 10. The outer walls of the two compartments are fixedly connected to feed pipes 11. The interiors of the two compartments are equipped with ultraviolet lamps 16 and aerators 15, respectively. Each compartment has a discharge valve 14 installed at its bottom. The inner bottom walls of both compartments are sloped, and the discharge valves 14 inside each compartment are located at the bottom of the horizontal position, which facilitates the collection of filtered wastewater.

[0023] Additionally, a water level sensor 17 is installed on the inner wall of the treatment cylinder I1 and the two compartments. The specific location can be installed according to actual needs to prevent the water level from being too high and causing overflow.

[0024] The medical wastewater treatment equipment described in this embodiment first discharges medical wastewater into the treatment cylinder I through the discharge pipe 4. Then, the linkage rod 51 driven by the external motor drives the brush 7 to rotate. After the wastewater is filtered twice by the filter plate 8 and the spiral screen plate 9, the corresponding electric valve 10 is opened according to the subsequent purification requirements of the wastewater.

[0025] When oxidation treatment is required, enter the left compartment and inject oxidants such as persulfate and hydroperoxide through the feed pipe 11 on the same side. Under the action of ultraviolet light generated by ultraviolet lamp 16, hydroxyl radicals are generated, which degrade organic pollutants and drug residues. Finally, the residue is discharged through the bottom discharge valve 14.

[0026] When coagulation and sedimentation treatment is required, small bubbles are generated by the aerator 15, causing suspended solids to adhere to the bubbles and float to the water surface. Then, coagulants (such as aluminum sulfate or polyaluminum chloride) are added through the feed pipe 11 on the same side, causing the fine suspended solids in the wastewater to aggregate into larger flocs, which are easy to settle and remove. Finally, the wastewater is discharged through the bottom discharge valve 14.

[0027] It should be noted that the structure described in this utility model can be implemented in many different forms and is not limited to the embodiments described. Any equivalent transformations made by those skilled in the art based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, such as the loading and unloading of other items, are included within the protection scope of this utility model.

Claims

1. A medical wastewater treatment device, comprising a treatment cylinder I and a treatment cylinder II, characterized in that: The processing cylinder I is installed on top of the processing cylinder II and is reinforced by a limiting ring; The processing cylinder I is equipped with a filter plate inside. A spiral screen plate is connected to the bottom of the filter plate. The top of the processing cylinder I is sealed by a sealing cover. A discharge pipe is fixedly connected to the sealing cover. The bottom of the spiral screen plate is provided with two discharge ends. The two discharge ends are respectively connected to the processing cylinder II through an installed electric valve. The interior of the processing cylinder II is divided into two compartments by a partition. Each compartment corresponds to a different electric valve. The outer walls of each compartment are fixedly connected to a feeding pipe. An ultraviolet lamp and an oxygenator are installed inside each compartment. A discharge valve is installed at the bottom of each compartment.

2. The medical wastewater treatment equipment as described in claim 1, characterized in that: A bearing is installed in the middle of the sealing cover, and a linkage rod is fixed inside the bearing. The top of the linkage rod has a cross groove for connecting the drive device, and the bottom of the linkage rod is located inside the processing cylinder I and has bristles fixed thereon. The bristles are in contact with the upper surface of the filter plate.

3. The medical wastewater treatment equipment as described in claim 1, characterized in that: The upper surface of the filter plate is concave, and the pore size of the filter plate is larger than that of the spiral sieve plate.

4. The medical wastewater treatment equipment as described in claim 1, characterized in that: A water level sensor is installed on the inner wall of the processing cylinder I and the two compartments.

5. The medical wastewater treatment equipment as described in claim 1, characterized in that: Both of the compartments have sloping inner walls, and the discharge valves inside each compartment are located at the bottom of the horizontal position.

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