Multi-stage filtration control device for hospital sewage treatment process
Through centrifugal precipitation, activated carbon adsorption and chemical reaction of the multi-stage filtration control device, the problem of chemical substances and fine solid impurities in the wastewater in the prior art is solved, and efficient wastewater purification and treatment is achieved.
Patent Information
- Application Number
- CN202422419053.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-10-08
AI Technical Summary
The prior art cannot completely remove chemical substances and fine solid impurity particles from hospital sewage, resulting in incomplete sewage treatment.
Multi-stage filtration control devices are adopted, including sewage centrifugal treatment tank, filter tank, activated carbon adsorption surface net, sewage chemical reaction box and sewage purification box. Through centrifugal precipitation, activated carbon adsorption, chemical reaction and multi-stage filtration, impurities and chemical substances in the sewage are gradually removed.
It has achieved efficient removal of impurities and chemical substances in hospital sewage, ensured that sewage discharge is pollution-free, and improved sewage filtration efficiency.
Smart Images

Figure CN223213967U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sewage treatment, in particular to a multi-stage filtration control device for hospital sewage treatment process. Background Art
[0002] Wastewater treatment is the process of purifying wastewater to meet the water quality requirements for discharge into a water body or reuse. Wastewater treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscape, medical care, and catering, and is increasingly entering the daily lives of ordinary people. Hospital wastewater refers to wastewater discharged by hospitals (general hospitals, specialized hospitals, and other types of hospitals) into the natural environment or urban pipelines. Its water quality varies with the nature, scale, and location of the hospital. The amount of wastewater discharged per bed per day is approximately 200-1000L. The main pollutants contained in hospital wastewater are: pathogens (parasite eggs, pathogenic bacteria, viruses, etc.), organic matter, floating and suspended matter, radioactive pollutants, etc. When treating wastewater, hospitals need to filter the substances in the wastewater and then perform disinfection.
[0003] A Chinese patent application, publication number CN207525088U, discloses a highly efficient hospital sewage treatment device, comprising a sewage treatment device body, wherein the front and back sides of the inner wall of the sewage treatment device body are fixedly connected to a first bearing, and a rotating rod is fixedly connected to the inner side of the first bearing. The utility model solves the problem of low efficiency of existing hospital sewage treatment devices by arranging a first bearing, a rotating rod, a filter box, a first filter screen, a second filter screen, a connecting rod, a rocking rod, a transmission box, a rotating shaft, a second connecting block, a first transmission rod, a transmission column, a turntable, a rotating rod, a crank, a first connecting block, a first movable rod, a second transmission rod, a second movable rod, a sliding sleeve, a polished rod, a transmission plate, an electric telescopic rod, a hose, and a disinfection box.
[0004] The above-mentioned existing technologies cannot completely remove the chemical substances in hospital sewage, and some fine solid impurity particles are likely to remain in the sewage. Therefore, it is necessary to develop a multi-stage filtration control device for the hospital sewage treatment process. Utility Model Content
[0005] The purpose of the utility model is to provide a multi-stage filtration control device for hospital sewage treatment process, so as to solve the problem that the existing technology proposed in the above background technology cannot completely remove the chemical substances in hospital sewage, and some fine solid impurity particles are easily left in the sewage.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-stage filtration control device for a hospital sewage treatment process, comprising a sewage centrifugal treatment tank, the water outlet end of the sewage centrifugal treatment tank being sealedly connected to a filter pool through a sewage transport pipeline, an activated carbon adsorption surface screen being installed inside the filter pool, the water outlet end of the filter pool being connected to a first filter pump through a pipeline, the first filter pump being sealedly connected to a filtrate chassis through a first filter tube, the liquid outlet end of the filtrate chassis being sealedly connected to a sewage chemical reaction box through a second filter tube, a reagent reaction tank being installed outside the sewage chemical reaction box, the interior of the reagent reaction tank being sealedly connected to a reagent delivery pump through a reagent delivery pipe, the reagent delivery pump being connected to the interior of the sewage chemical reaction box through a reagent discharge pipe, and the sewage chemical reaction box being sealedly connected to a sewage purification tank through a pipeline.
[0007] Preferably, a sewage discharge valve is provided at the connection between the sewage transport pipeline and the sewage centrifugal treatment tank, and a sewage pump is installed on the sewage transport pipeline.
[0008] Preferably, a stirring motor is installed above the reagent reactor tank, and an output end of the stirring motor is connected to a stirring rod arranged inside the reagent reactor tank through a rotating shaft.
[0009] Preferably, the bottom end of the sewage chemical reaction tank is sealedly connected to a second filter pump through a pipeline.
[0010] Preferably, the second filter pump is sealedly connected to the sewage purification tank through a sewage purification pipeline, and a sewage discharge control valve is installed on the sewage purification pipeline.
[0011] Preferably, the activated carbon adsorption surface screen is provided with two layers, and the activated carbon adsorption surface screen and the filter tank are in a detachable structure.
[0012] Compared with the prior art, the beneficial effects of the present invention are:
[0013] The utility model centrifugally stirs and settles the sewage inside the hospital, and then removes the impurity particles in the sewage by layer-by-layer adsorption, and then transports the stirred sewage treatment chemical reagents to a sewage chemical reaction box for chemical reaction with the sewage, so as to facilitate the removal of harmful substances in the sewage, and finally discharges the sewage into a sewage purification box for further purification treatment, thereby effectively ensuring that the hospital sewage is discharged without pollution, and can completely remove the impurity particles and chemical substances in the sewage, and has the advantage of high sewage filtration efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 It is a side structural diagram of the utility model;
[0016] Figure 3 This is a schematic diagram of the filter tank structure of the utility model;
[0017] Figure 4 This is a schematic diagram of the partial installation structure of the utility model.
[0018] In the figure: 1. Sewage discharge valve; 2. Sewage pump; 3. Sewage centrifugal treatment tank; 4. Sewage transport pipeline; 5. Filter tank; 6. First filter pump; 7. First filter tube; 8. Filtrate chassis; 9. Sewage chemical reaction tank; 10. Sewage purification tank; 11. Sewage purification pipeline; 12. Sewage discharge control valve; 13. Second filter pump; 14. Reagent reaction tank; 15. Stirring motor; 16. Reagent pipeline; 17. Reagent pump; 18. Activated carbon adsorption screen; 19. Second filter tube; 20. Reagent discharge pipe. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0020] See also Figure 1-4 The utility model provides an embodiment of a multi-stage filtration control device for a hospital sewage treatment process, comprising a sewage centrifugal treatment tank 3, the water outlet end of the sewage centrifugal treatment tank 3 is sealedly connected to a filter pool 5 through a sewage transport pipeline 4, an activated carbon adsorption surface net 18 is installed inside the filter pool 5, the water outlet end of the filter pool 5 is connected to a first filter pump 6 through a pipeline, the first filter pump 6 is sealedly connected to a filtrate chassis 8 through a first filter pipe 7, the liquid outlet end of the filtrate chassis 8 is sealedly connected to a sewage chemical reaction box 9 through a second filter pipe 19, a reagent reaction tank 14 is installed outside the sewage chemical reaction box 9, the interior of the reagent reaction tank 14 is sealedly connected to a reagent pump 17 through a reagent pipe 16, the reagent pump 17 is connected to the interior of the sewage chemical reaction box 9 through a reagent discharge pipe 20, and the sewage chemical reaction box 9 is sealedly connected to a sewage purification box 10 through a pipeline.
[0021] Furthermore, a sewage discharge valve 1 is provided at the connection between the sewage transport pipeline 4 and the sewage centrifugal treatment tank 3, and a sewage pump 2 is installed on the sewage transport pipeline 4. By opening the sewage pump 2 and the sewage discharge valve 1, the sewage after centrifugal stirring and sedimentation in the sewage centrifugal treatment tank 3 can be discharged through the sewage transport pipeline 4 and transported to the filter tank 5 for further filtration operations.
[0022] Furthermore, a stirring motor 15 is installed above the reagent reactor tank 14. The output end of the stirring motor 15 is connected to a stirring rod arranged inside the reagent reactor tank 14 through a rotating shaft. By turning on the stirring motor 15, the stirring rod can be driven to quickly stir and mix the chemical reaction reagents inside the reagent reactor tank 14.
[0023] Furthermore, the bottom end of the sewage chemical reaction tank 9 is sealedly connected to a second filter pump 13 through a pipeline. The second filter pump 13 is used to filter and transport the sewage flowing out of the sewage chemical reaction tank 9 for discharge.
[0024] Furthermore, the second filter pump 13 is sealedly connected to the sewage purification tank 10 through the sewage purification pipeline 11. A sewage discharge control valve 12 is installed on the sewage purification pipeline 11. By opening the sewage discharge control valve 12 and the second filter pump 13, the purified sewage inside the sewage chemical reaction tank 9 can be transported to the sewage purification tank 10.
[0025] Furthermore, the activated carbon adsorption surface screen 18 is provided with two layers, and the activated carbon adsorption surface screen 18 and the filter tank 5 are provided with a detachable structure for further adsorbing, filtering and removing the impurity particles in the sewage.
[0026] Working principle: When in use, the water outlet of the sewage centrifugal treatment tank 3 is sealed and connected to the filter tank 5 through the sewage transport pipeline 4. By opening the sewage delivery pump 2 and the sewage discharge valve 1, the sewage after centrifugal stirring and sedimentation in the sewage centrifugal treatment tank 3 can be discharged through the sewage transport pipeline 4 to the filter tank 5 for further filtration. The inside of the filter tank 5 is installed with an activated carbon adsorption surface mesh 18, which is used to further adsorb and filter the impurity particles in the sewage. The water outlet of the filter tank 5 is connected to the first filter pump 6 through a pipeline. The first filter pump 6 is sealed and connected to the filtrate chassis 8 through the first filter tube 7. The filtered sewage is sent to the filtrate chassis 8 through the first filter pump 6. The liquid outlet of the filtrate chassis 8 is sealed and connected to the sewage chemical reaction box 9 through the second filter tube 19. The outside of the sewage chemical reaction box 9 is installed with a test The reagent reactor tank 14 is provided with a stirring motor 15 above the reagent reactor tank 14. The output end of the stirring motor 15 is connected to the stirring rod arranged inside the reagent reactor tank 14 through a rotating shaft. By turning on the stirring motor 15, the stirring rod can be driven to quickly stir and mix the chemical reaction reagent inside the reagent reactor tank 14. Subsequently, the chemical reaction reagent is transported to the sewage chemical reaction tank 9 through the reagent delivery pump 17 in cooperation with the reagent discharge pipe 20, and harmful chemicals in the sewage can be reacted and removed. Finally, by opening the sewage discharge control valve 12 and the second filter pump 13, the purified sewage inside the sewage chemical reaction tank 9 can be transported to the sewage purification tank 10 for the final sewage purification operation, thereby effectively ensuring that the hospital sewage discharge is pollution-free, and the impurity particles and chemical substances in the sewage can be cleaned, with the advantage of high sewage filtration efficiency.
[0027] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
Claims
1. A multi-stage filtration control device for a hospital sewage treatment process, comprising a sewage centrifugal treatment tank (3), characterized in that: The water outlet of the sewage centrifugal treatment tank (3) is sealedly connected to a filter tank (5) through a sewage transport pipeline (4), an activated carbon adsorption surface net (18) is installed inside the filter tank (5), the water outlet of the filter tank (5) is connected to a first filter pump (6) through a pipeline, the first filter pump (6) is sealedly connected to a filtrate box (8) through a first filter tube (7), the liquid outlet of the filtrate box (8) is sealedly connected to a sewage chemical reaction box (9) through a second filter tube (19), a reagent reaction tank (14) is installed outside the sewage chemical reaction box (9), the inside of the reagent reaction tank (14) is sealedly connected to a reagent delivery pump (17) through a reagent delivery pipe (16), the reagent delivery pump (17) is connected to the inside of the sewage chemical reaction box (9) through a reagent discharge pipe (20), and the sewage chemical reaction box (9) is sealedly connected to a sewage purification box (10) through a pipeline.
2. A multi-stage filtration control device for hospital sewage treatment process according to claim 1, characterized in that: A sewage discharge valve (1) is provided at the connection between the sewage transport pipeline (4) and the sewage centrifugal treatment tank (3), and a sewage pump (2) is installed on the sewage transport pipeline (4).
3. The multi-stage filtration control device for hospital sewage treatment process according to claim 1, characterized in that: A stirring motor (15) is installed above the reagent reaction tank (14), and an output end of the stirring motor (15) is connected to a stirring rod arranged inside the reagent reaction tank (14) via a rotating shaft.
4. The multi-stage filtration control device for hospital sewage treatment process according to claim 1, characterized in that: The bottom end of the sewage chemical reaction tank (9) is sealedly connected to a second filter pump (13) via a pipeline.
5. The multi-stage filtration control device for hospital sewage treatment process according to claim 4, characterized in that: The second filter pump (13) is sealedly connected to the sewage purification tank (10) via a sewage purification pipeline (11), and a sewage discharge control valve (12) is installed on the sewage purification pipeline (11).
6. The multi-stage filtration control device for hospital sewage treatment process according to claim 1, characterized in that: The activated carbon adsorption surface screen (18) is provided with two layers, and a detachable structure is formed between the activated carbon adsorption surface screen (18) and the filter tank (5).
Citation Information
Patent Citations
High -efficient hospital sewage processing apparatus
CN207525088U