Container type hospital wastewater treatment integrated device
The containerized hospital wastewater treatment unit integrates multiple treatment stages and employs biodegradation and activated carbon adsorption technologies, solving the problems of difficult maintenance and large footprint of decentralized underground devices, and achieving efficient and compact wastewater treatment results.
Patent Information
- Application Number
- CN202423266991.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The existing hospital wastewater treatment equipment is a decentralized, underground system. Repairing and replacing parts requires digging up the soil, which increases the difficulty of maintenance and occupies a large area, resulting in the equipment being unusable for a long time.
An integrated containerized hospital wastewater treatment device was designed, comprising components such as a bar screen, a pre-sedimentation tank, an anaerobic tank, an anoxic tank, an aerobic tank, and a secondary sedimentation tank. It integrates six stages: wastewater collection, pretreatment, biochemical treatment, advanced treatment, and disinfection. It adopts biodegradation and activated carbon adsorption technologies, combined with an automatic cleaning system, to achieve a compact equipment design.
It achieves efficient treatment of hospital wastewater, reduces maintenance costs and operational difficulties, is suitable for installation in spaces with limited space, and ensures that the treatment effect meets emission standards.
Smart Images
Figure CN223752576U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wastewater treatment technical field, especially a kind of integrated hospital wastewater treatment integrated device. BACKGROUND
[0002] Hospital sewage contains a large amount of pathogenic microorganisms, toxic and harmful physical and chemical pollutants (including conventional chemical oxygen demand COD, biological oxygen demand BOD represented organic pollutants) and radioactive pollutants, with space pollution, acute infection and latent infection characteristics, according to "Hospital Sewage Treatment Engineering Technical Specification", hospital sewage must be discharged up to standard, to prevent pollution to the environment.
[0003] The existing hospital wastewater treatment device is scattered and buried, since the equipment is installed underground, once maintenance or replacement parts are needed, the operator must excavate soil to access the equipment, which not only increases the maintenance difficulty, but also causes the equipment to be unavailable for a long time, and occupies a large area, therefore, a container type integrated compact device is needed, which has smaller installation area and improves the convenience of use. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of integrated hospital wastewater treatment integrated device to solve the problem that the existing hospital wastewater is scattered and buried, since the equipment is installed underground, once maintenance or replacement parts are needed, the operator must excavate soil to access the equipment, which not only increases the maintenance difficulty, but also causes the equipment to be unavailable for a long time, and occupies a large area.
[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:
[0006] The utility model is a kind of integrated hospital wastewater treatment integrated device, comprising:
[0007] Wastewater treatment tank;
[0008] Treatment assembly, the treatment assembly includes grid well, pre-sedimentation tank, anaerobic tank, anoxic tank, aerobic tank and secondary sedimentation tank, the grid well is located in one corner of wastewater treatment tank, the pre-sedimentation tank is located below the grid well, the anaerobic tank is opened in one side of grid well, pre-sedimentation tank, the anoxic tank is opened in one side of anaerobic tank, the aerobic tank is opened in one side of anoxic tank, and the secondary sedimentation tank is opened in one side of aerobic tank.
[0009] Further, one side of the wastewater treatment tank is fixed with water inlet pipe, and water inlet pipe penetrates grid well, and the other side of wastewater treatment tank is fixed with water outlet pipe.
[0010] Further, the bottom of the secondary sedimentation tank is fixed with a central tube, one side of the secondary sedimentation tank is provided with a disinfection tank, one side of the disinfection tank is provided with a depth treatment tank, one side of the depth treatment tank is provided with a discharge tank, and one side of the discharge tank is fixed with a sludge dewatering machine.
[0011] Further, the sewage flow of the wastewater treatment box is from the water inlet pipe into the grid well, into the pre-sedimentation tank, through the anaerobic tank, the anoxic tank, the aerobic tank, the secondary sedimentation tank, the disinfection tank, the depth treatment tank, and the discharge tank, and finally flows out from the water outlet pipe.
[0012] Further, the adjusting assembly comprises a water passing groove, a movable hole, a limiting groove and a threaded rod, the water passing groove is arranged between the grid well and the pre-sedimentation tank, the movable hole is arranged above the water passing groove, the limiting grooves are arranged on both sides of the water passing groove, and the threaded rod is threaded through the movable hole.
[0013] Further, the lower end of the threaded rod is rotatably penetrated by a rotating ring, the lower surface of the rotating ring is fixed with a filter plate, one side of the water passing groove is fixed with a fixed rod, one side of the fixed rod is provided with a mounting hole, a spring is fixed in the mounting hole, and one end of the spring is fixed with a cleaning column.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] One, the utility model discloses a wastewater treatment box and a treatment assembly, which integrate six links of sewage collection, pretreatment, biochemical treatment, depth treatment, disinfection treatment and sludge treatment into a set integrated device, wastewater generated in various places of a hospital is collected into a grid and a pre-sedimentation tank to intercept large-particle colloidal substances, the effluent after pre-sedimentation enters a biochemical system, the biochemical system comprises an anaerobic tank, an anoxic tank, an aerobic tank and a secondary sedimentation tank, the biochemical system adopts a biological degradation technology to decompose organic substances in the wastewater into harmless substances such as carbon dioxide and water through the metabolic action of microorganisms, the effluent after the biochemical system enters disinfection treatment to eliminate pathogenic microorganisms such as bacteria, viruses and parasites in the wastewater, the effluent after disinfection enters depth treatment, active carbon adsorption is adopted to adsorb trace organic substances, heavy metals and refractory substances in the wastewater, the effluent after depth treatment enters a discharge tank, the effluent of the discharge tank meets the standard and is discharged into a pipe network, and sludge and residual activated sludge are dewatered by a sludge dewatering machine, the dewatered sludge cake is treated or recycled, the set integrated device adopts a compact design and is suitable for being installed in places with limited space such as hospitals, and can efficiently remove pollutants in the wastewater.
[0016] Second, based on the beneficial effect one, by setting the adjusting assembly, when the sewage flows from the grid well from the water channel into the pre-sedimentation tank, the flowing sewage is filtered to avoid large particles entering the pretreatment tank, when the filter hole of the filter plate is blocked by impurities, the staff only needs to rotate the threaded rod, the threaded rod rotates in the rotating ring, and passes through the movable hole, the filter plate is moved downward, under the elastic force of the spring, when the cleaning column and the filter hole are in positive correspondence, the spring restores the deformation, which drives the cleaning column to push to one side, pushes out the impurities blocked in the filter hole, when the cleaning column and the filter hole are misaligned, the spring is compressed in the mounting hole, and the cleaning column is hydraulically locked in the mounting hole, the threaded rod is driven to move the filter plate downward, and the spring and the cleaning column are used to automatically clean the impurities in the filter hole, which not only improves the efficiency and water quality of sewage treatment, but also reduces the maintenance cost and operation difficulty. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0018] Fig. 1 It is a first perspective view of the present application;
[0019] Fig. 2 It is a schematic view of the processing assembly of the present application;
[0020] Fig. 3 It is an enlarged view of structure A of the adjusting assembly of the present application.
[0021] In the drawings, the component list represented by each number is as follows:
[0022] 11, wastewater treatment tank; 12, water inlet pipe; 13, water outlet pipe;
[0023] 21, grid well; 22, pre-sedimentation tank; 23, anaerobic tank; 24, anoxic tank; 25, aerobic tank; 26, secondary sedimentation tank; 261, center pipe; 27, disinfection tank; 28, advanced treatment tank; 29, discharge tank; 291, sludge dewatering machine;
[0024] 31, water channel; 311, movable hole; 312, limiting groove; 32, threaded rod; 33, filter plate; 34, fixed rod; 341, mounting hole; 35, spring; 36, cleaning column. DETAILED DESCRIPTION
[0025] In order to make the above objects, features and advantages of the present application more obvious and understandable, the specific embodiments of the present application will be described in detail below with reference to the drawings.
[0026] In the following description, a lot of specific details are set forth in order to facilitate a full understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.
[0027] Secondly, the present application is described in detail in combination with the schematic diagram, when the embodiments of the present application are described in detail, in order to facilitate the description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present application here. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.
[0028] In order to make the objects, technical schemes and advantages of the present application more clear, the embodiments of the present application will be described in further detail below in combination with the drawings.
[0029] Please refer to Figs. 1-3 The embodiment is a kind of integrated device for hospital wastewater treatment, comprising:
[0030] Wastewater treatment tank 11;
[0031] Treatment assembly, treatment assembly includes grid well 21, pre-sedimentation tank 22, anaerobic tank 23, anoxic tank 24, aerobic tank 25 and secondary sedimentation tank 26, grid well 21 is located in a corner of wastewater treatment tank 11, pre-sedimentation tank 22 is located below grid well 21, anaerobic tank 23 is opened in a side of grid well 21, pre-sedimentation tank 22, anoxic tank 24 is opened in a side of anaerobic tank 23, aerobic tank 25 is opened in a side of anoxic tank 24, secondary sedimentation tank 26 is opened in a side of aerobic tank 25;
[0032] Anaerobic tank 23 is an environment without dissolved oxygen, suitable for anaerobic microbial activity, microorganisms through hydrolysis, acidification and methanation and other processes, macromolecular organic matter is decomposed into small molecular organic matter, so as to improve the biodegradability of wastewater, the dissolved oxygen concentration in the anoxic tank 24 is controlled between 0.2-0.5mg / L, mainly relying on facultative and anaerobic microorganisms to react, the main function of the anoxic tank 24 is denitrification and phosphorus removal, through denitrification, nitrate is reduced to nitrogen, so as to remove nitrogen element, at the same time, the anoxic tank 24 can further decompose organic matter, improve the biodegradability of wastewater, the aerobic tank 25 maintains the dissolved oxygen content in water at about 4mg / L through aeration and other measures, suitable for the growth and reproduction of aerobic microorganisms, microorganisms through aerobic respiration, organic matter is further decomposed into inorganic matter, so as to remove pollutants in water, the aerobic tank can not only remove BOD biochemical oxygen demand, but also can carry out nitrification, and convert ammonia nitrogen into nitrate.
[0033] The wastewater treatment tank 11 is fixed with a water inlet pipe 12 on one side, and the water inlet pipe 12 penetrates the grid well 21, the wastewater treatment tank 11 is fixed with a water outlet pipe 13 on the other side, the bottom of the secondary sedimentation tank 26 is fixed with a central pipe 261, one side of the secondary sedimentation tank 26 is provided with a disinfection tank 27, one side of the disinfection tank 27 is provided with a depth treatment tank 28, one side of the depth treatment tank 28 is provided with a discharge tank 29, one side of the discharge tank 29 is fixed with a sludge dewatering machine 291, the sewage flow direction of the wastewater treatment tank 11 is from the water inlet pipe 12 into the grid well 21, into the pre-sedimentation tank 22, through the anaerobic tank 23, the anoxic tank 24, the aerobic tank 25, the secondary sedimentation tank 26, the disinfection tank 27, the depth treatment tank 28, the discharge tank 29, and finally flows out from the water outlet pipe 13;
[0034] The secondary sedimentation tank 26 realizes mud-water separation through gravity sedimentation, the clarified water can be discharged or enters the depth treatment stage, the disinfection tank 27 uses chemical or physical method to kill pathogenic microorganisms, ensures the safety of effluent, the depth treatment tank 28 further purifies the water after preliminary treatment, such as removing residual pollutants, adjusting pH value, etc., the discharge tank 29 finally stores the treated water, waiting for discharge or reuse.
[0035] Working principle:
[0036] The integrated sewage collection, pretreatment, biochemical treatment, advanced treatment, disinfection treatment, sludge treatment and other six links container integrated device, the wastewater generated in the hospital, sewage collection water into the grid well 21, pre-sedimentation tank 22, intercept large particle colloidal material, the effluent after pre-sedimentation enters the biochemical system, the biochemical system includes anaerobic tank 23, anoxic tank 24, aerobic tank 25, secondary sedimentation tank 26, the biochemical system adopts biological degradation technology, through the metabolic action of microorganism, the organic matter in the wastewater is decomposed into carbon dioxide and water and other harmless substances, the effluent after the biochemical system enters the disinfection treatment, eliminates the bacteria, viruses and parasitic worms and other pathogenic microorganisms in the wastewater, the effluent after disinfection enters the advanced treatment, adopts activated carbon adsorption, adsorbs trace organic matter, heavy metals and refractory substances in the wastewater, after the advanced treatment, enters the discharge tank 29, the effluent of the discharge tank 29 is discharged into the pipe network in accordance with the medical institution water pollutant discharge standard GB 18466-2005 standard, the sludge and the residual activated sludge are dewatered by the sludge dewatering machine 291, the dewatered mud cake is outsourced treatment or resource treatment;
[0037] In this step, the container integrated device adopts a compact design, which is suitable for installation in limited space places such as hospitals, and can efficiently remove pollutants in wastewater.
[0038] Please refer to Figs. 1-3 The embodiment is based on the above embodiment, further comprising:
[0039] The adjusting assembly comprises a water passing groove 31, a movable hole 311, a limiting groove 312, and a threaded rod 32, the water passing groove 31 is arranged between the grid well 21 and the pre-sedimentation tank 22, the movable hole 311 is arranged above the water passing groove 31, the limiting groove 312 is arranged on both sides of the water passing groove 31, the threaded rod 32 is screwed into the movable hole 311, the lower end of the threaded rod 32 is rotatably penetrated by a rotating ring, the lower surface of the rotating ring is fixedly connected with a filter plate 33, one side of the water passing groove 31 is fixedly connected with a fixed rod 34, one side of the fixed rod 34 is provided with a mounting hole 341, the mounting hole 341 is fixedly connected with a spring 35, one end of the spring 35 is fixedly connected with a cleaning column 36.
[0040] The water passing groove 31 is located between the grid well 21 and the pre-sedimentation tank 22, and mainly guides the sewage to pass through the filter system, the movable hole 311 is used for installing the filter plate 33, so that the sewage can be effectively filtered when flowing through.
[0041] Working principle:
[0042] When the filter holes of the filter plate 33 are blocked by impurities, the staff only needs to rotate the threaded rod 32, the threaded rod 32 rotates in the rotating ring, and the filter plate 33 is moved downwards through the movable hole 311, under the elastic force of the spring 35, when the cleaning column 36 is in positive correspondence with the filter hole, the spring 35 restores deformation and pushes the cleaning column 36 to one side to push out the impurities blocked in the filter hole, when the cleaning column 36 is misaligned with the filter hole, the spring 35 is compressed in the mounting hole 341, and the cleaning column 36 is hydraulically locked in the mounting hole 341;
[0043] In this step, the threaded rod 32 is rotated to drive the filter plate 33 to move downwards, and the spring 35 and the cleaning column 36 are used to automatically clean the impurities in the filter hole, which not only improves the efficiency of sewage treatment and water quality, but also reduces the maintenance cost and operation difficulty.
[0044] In the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "setting", "installing", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0045] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A containerized integrated hospital wastewater treatment device, characterized in that, include: Wastewater treatment tank (11); The treatment assembly includes a bar screen (21), a pre-sedimentation tank (22), an anaerobic tank (23), an anoxic tank (24), an aerobic tank (25), and a secondary sedimentation tank (26). The bar screen (21) is located in one corner of the wastewater treatment tank (11). The pre-sedimentation tank (22) is located below the bar screen (21). The anaerobic tank (23) is located on one side of the bar screen (21) and the pre-sedimentation tank (22). The anoxic tank (24) is located on one side of the anaerobic tank (23). The aerobic tank (25) is located on one side of the anoxic tank (24). The secondary sedimentation tank (26) is located on one side of the aerobic tank (25).
2. The integrated containerized hospital wastewater treatment device according to claim 1, characterized in that, The wastewater treatment tank (11) has an inlet pipe (12) fixed on one side, and the inlet pipe (12) passes through the grate well (21). The wastewater treatment tank (11) has an outlet pipe (13) fixed on the other side.
3. The integrated containerized hospital wastewater treatment device according to claim 1, characterized in that, The bottom of the secondary sedimentation tank (26) is fixed with a central pipe (261). A disinfection tank (27) is provided on one side of the secondary sedimentation tank (26). A deep treatment tank (28) is provided on one side of the disinfection tank (27). A discharge tank (29) is provided on one side of the deep treatment tank (28). A sludge dewatering machine (291) is fixed on one side of the discharge tank (29).
4. The integrated containerized hospital wastewater treatment device according to claim 3, characterized in that, The wastewater in the wastewater treatment tank (11) flows from the inlet pipe (12) into the grit chamber (21), into the pre-sedimentation tank (22), through the anaerobic tank (23), the anoxic tank (24), the aerobic tank (25), the secondary sedimentation tank (26), the disinfection tank (27), the deep treatment tank (28), the discharge tank (29), and finally out through the outlet pipe (13).
5. The integrated containerized hospital wastewater treatment device according to claim 1, characterized in that, It also includes an adjustment component, which includes a water passage (31), a movable hole (311), a limiting groove (312), and a threaded rod (32). The water passage (31) is located between the grid well (21) and the pre-sedimentation tank (22). The movable hole (311) is located above the water passage (31). The limiting groove (312) is located on both sides inside the water passage (31). The threaded rod (32) is threaded through the movable hole (311).
6. The integrated containerized hospital wastewater treatment device according to claim 5, characterized in that, The lower end of the threaded rod (32) is rotatably connected to a rotating ring. A filter plate (33) is fixed on the lower surface of the rotating ring. A fixing rod (34) is fixed on one side inside the water tank (31). An installation hole (341) is opened on one side of the fixing rod (34). A spring (35) is fixed inside the installation hole (341). A cleaning column (36) is fixed at one end of the spring (35).