Integrated domestic drinking water treatment device

Abstract

The utility model relates to an integrated domestic drinking water treatment device which comprises a pool body, a water inlet area, a flocculation area and a water purification area are arranged in the pool body, the water inlet area is arranged in the center of the pool body, the flocculation area is arranged on the periphery of the water inlet area, and the water purification area is arranged on the periphery of the flocculation area; a water inlet of the water inlet area is formed in the center of the bottom of the pool body and connected with a raw water pump through a pipeline, a top water outlet of the water inlet area is connected with a top water inlet end of the flocculation area, a mesh grid is arranged in the flocculation area, and a bottom water outlet end of the flocculation area is connected with a bottom water inlet end of the water purification area. Raw water flows through the mesh grid and then enters the water purification area through a water inlet in the lower tank wall, inclined tube filler is arranged at the lower part in the water purification area, an ultrafiltration membrane is arranged at the upper part in the water purification area, water subjected to precipitation treatment by flowing through the inclined tube filler passes through the ultrafiltration membrane, and a produced water outlet of the ultrafiltration membrane is connected with a produced water pipe through a pipeline; compared with the prior art, the problems of low treatment efficiency and large occupied area are solved, secondary pollution is avoided, and the safety of drinking water is ensured.

Description

[Technical Field]

[0001] This utility model relates to the field of water treatment technology, specifically an integrated drinking water treatment device. [Background Technology]

[0002] In recent years, water pollution has become a serious problem in my country. Particulate matter is a major target for water treatment, as it reduces the safety and hygiene of tap water because it carries various pollutants. Numerous studies have shown that the higher the particulate matter removal rate, the safer and more hygienic the tap water.

[0003] Currently, conventional tap water treatment processes still have some shortcomings, such as large land area requirements, low water purification efficiency, and high wastewater rates. For example, the principle of existing technical solutions is to first add polyaluminum chloride and sodium hypochlorite to the raw water for conventional treatment such as grid flocculation and inclined tube sedimentation, then use high-efficiency filter bricks to treat the settled water, and finally the treated water is discharged into a clear water tank for disinfection before drinking, thus achieving the treatment effect. However, under actual operating conditions, the effect on small particulate colloidal dissolved matter (organic matter, heavy metals, etc.) in the water is limited. The deepest treatment in the process is filtration with porous granular filter media such as quartz sand (coarse filtration), which has a mediocre effect and suffers from high wastewater rates. [Utility Model Content]

[0004] The purpose of this invention is to address the aforementioned shortcomings by providing a faster and more convenient integrated drinking water treatment device. This solution addresses the problems of low treatment efficiency and large footprint, prevents secondary pollution, and ensures the safety of drinking water.

[0005] To achieve the above objectives, an integrated drinking water treatment device is designed, comprising a tank body. The tank body includes an inlet zone 1, a flocculation zone 2, and a purification zone 3. The inlet zone 1 is located in the central area of ​​the tank body, the flocculation zone 2 is located on the outer periphery of the inlet zone 1, and the purification zone 3 is located on the outer periphery of the flocculation zone 2. The inlet of the inlet zone 1 is located at the center of the bottom of the tank body. The inlet of the inlet of the inlet zone 1 is connected to a raw water pump 21 via a pipe, allowing raw water to enter the inlet zone 1 through the raw water pump 21. The outlet at the top of the inlet zone 1 is connected to the outlet at the top of the flocculation zone 2. At the water end, a grid 27 is provided in the flocculation zone 2. The water outlet at the bottom of the flocculation zone 2 is connected to the water inlet at the bottom of the purification zone 3. After the raw water flows through the grid 27, it enters the purification zone 3 through the water inlet on the lower pool wall. An inclined tube packing 26 is provided in the lower part of the purification zone 3, and an ultrafiltration membrane 29 is provided in the upper part of the purification zone 3. The ultrafiltration membrane 29 is located above the inclined tube packing 26. The water that has been treated by sedimentation by the inclined tube packing 26 passes through the ultrafiltration membrane 29. The product water outlet of the ultrafiltration membrane 29 is connected to the product water pipe 30 through a pipe.

[0006] Furthermore, the pool body is a concentric cylindrical pool body, which is divided into three concentric zones, namely, the water inlet zone 1, the flocculation zone 2, and the purified water zone 3 from the inside out. This integrates the grid flocculation, inclined tube sedimentation, and ultrafiltration processes, further improving the treatment efficiency and saving floor space.

[0007] Furthermore, the outlet of the raw water pump 21 is connected to the pipeline mixer 25 through the inlet pipe 22. The pipeline mixer 25 is provided with a dosing port, which is connected to the pretreatment dosing module 23 through the pretreatment dosing pipe 24. The outlet of the pipeline mixer 25 is connected to the inlet of the inlet zone 1 through a pipeline. Thus, polyaluminum chloride and sodium hypochlorite are added to the raw water through the pretreatment dosing module 23 and the pretreatment dosing pipe 24. After being fully mixed by the pipeline mixer 25, the water enters the flocculation zone 2 through the inlet zone 1.

[0008] Furthermore, a hopper 28 is provided at the bottom of the pool body. The hopper 28 is arranged at an inclination and its height gradually decreases from the inside to the outside. A drain outlet is provided at the bottom of the side of the pool body. The drain outlet is connected to a drain pipe 34. Water flows upward along the inclined tube packing 26, and the separated sludge slides down along the inclined tube packing 26 to the bottom of the pool body and is discharged through the drain pipe 34.

[0009] Furthermore, the ultrafiltration membrane 29 is made of hollow fiber ultrafiltration membrane tubes. Water treated by sedimentation of inclined tube packing 26 is separated by membrane separation through the hollow fiber ultrafiltration membrane tubes inside the ultrafiltration membrane 29, thereby filtering out harmful substances such as rust, silt, suspended solids, colloids, bacteria, and macromolecular organic matter in the water, while retaining some mineral elements that are beneficial to the human body.

[0010] Furthermore, a disinfection dosing pipe 33 is connected to the water production pipe 30. The other end of the disinfection dosing pipe 33 is connected to a disinfection dosing pump 32, and the other end of the disinfection dosing pump 32 is connected to a disinfection dosing module 31. Sodium hypochlorite is added to the filtrate through the disinfection dosing module 31, the disinfection dosing pump 32, and the disinfection dosing pipe 33 for disinfection treatment, thereby further ensuring the safety of drinking water.

[0011] Compared with the prior art, this utility model has the following advantages:

[0012] (1) This utility model provides a faster and more convenient integrated drinking water treatment device, which solves the problems of low treatment efficiency and large footprint, avoids secondary pollution, and ensures the safety of drinking water.

[0013] (2) The present invention has a high water recovery rate, low operating cost, and the integrated device can save floor space.

[0014] (3) This utility model combines flocculation and sedimentation ultrafiltration processes, which can not only significantly improve treatment efficiency and save floor space, but also reduce wastewater rate, and is worth promoting and applying. [Image Description]

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a packing distribution diagram of this utility model;

[0017] In the diagram: 1. Inlet water zone; 2. Flocculation zone; 3. Purified water zone; 21. Raw water pump; 22. Inlet water pipe; 23. Pretreatment dosing module; 24. Pretreatment dosing pipe; 25. Pipeline mixer; 26. Inclined tube packing; 27. Grid screen; 28. Basket; 29. ​​Ultrafiltration membrane; 30. Product water pipe; 31. Disinfection dosing module; 32. Disinfection dosing pump; 33. Disinfection dosing pipe; 34. Sewage pipe. [Detailed Implementation]

[0018] As attached Figure 1 and attached Figure 2 As shown, this utility model provides an integrated drinking water treatment device, including a pool body. The pool body is equipped with an inlet zone 1, a flocculation zone 2, and a purification zone 3. The inlet zone 1 is located in the central area of ​​the pool body, the flocculation zone 2 is located on the outer circumference of the inlet zone 1, and the purification zone 3 is located on the outer circumference of the flocculation zone 2. The pool body is a concentric cylindrical pool body, divided into three concentric zones, from the inside out: the inlet zone 1, the flocculation zone 2, and the purification zone 3. This integrates grid flocculation, inclined tube sedimentation, and ultrafiltration processes, further improving treatment efficiency and saving floor space. The inlet of the inlet zone 1 is located at the center of the bottom of the pool body, and the inlet of the inlet zone 1... The raw water is connected to the raw water pump 21 through a pipeline. The raw water enters the inlet zone 1 through the raw water pump 21. The outlet at the top of the inlet zone 1 is connected to the inlet at the top of the flocculation zone 2. The flocculation zone 2 is equipped with a grid screen 27. The outlet at the bottom of the flocculation zone 2 is connected to the inlet at the bottom of the purification zone 3. After the raw water flows through the grid screen 27, it enters the purification zone 3 through the inlet on the lower pool wall. The lower part of the purification zone 3 is equipped with inclined tube packing 26. The upper part of the purification zone 3 is equipped with an ultrafiltration membrane 29. The ultrafiltration membrane 29 is located above the inclined tube packing 26. The water that has been treated by sedimentation through the inclined tube packing 26 passes through the ultrafiltration membrane 29. The product water outlet of the ultrafiltration membrane 29 is connected to the product water pipe 30 through a pipeline.

[0019] The outlet of the raw water pump 21 is connected to the pipeline mixer 25 via the inlet pipe 22. The pipeline mixer 25 is equipped with a dosing port, which is connected to the pretreatment dosing module 23 via the pretreatment dosing pipe 24. The outlet of the pipeline mixer 25 is connected to the inlet of the inlet zone 1 via a pipeline. Polyaluminum chloride and sodium hypochlorite are added to the raw water through the pretreatment dosing module 23 and the pretreatment dosing pipe 24. After being fully mixed by the pipeline mixer 25, the raw water enters the flocculation zone 2 through the inlet zone 1. The product water pipe 30 is connected to a disinfection dosing pipe 33. The other end of the disinfection dosing pipe 33 is connected to a disinfection dosing pump 32, and the other end of the disinfection dosing pump 32 is connected to a disinfection dosing module 31. Sodium hypochlorite is added to the filtrate through the disinfection dosing module 31, the disinfection dosing pump 32, and the disinfection dosing pipe 33 for disinfection treatment, further ensuring the safety of drinking water.

[0020] A hopper 28 is installed at the bottom of the pool. The hopper 28 is arranged at an incline and its height gradually decreases from the inside to the outside. A drain outlet is provided on the bottom side of the pool and is connected to a drain pipe 34. Water flows upward along the inclined tube packing 26, and the separated sludge slides down along the inclined tube packing 26 to the bottom of the pool and is discharged through the drain pipe 34. The ultrafiltration membrane 29 uses hollow fiber ultrafiltration membrane tubes inside. Water that has been treated by sedimentation in the inclined tube packing 26 is separated by membrane separation using the hollow fiber ultrafiltration membrane tubes inside the ultrafiltration membrane 29. This can filter out harmful substances such as rust, silt, suspended solids, colloids, bacteria, and macromolecular organic matter in the water, while retaining some mineral elements that are beneficial to the human body.

[0021] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0022] This utility model mainly integrates grid flocculation, inclined tube sedimentation, and ultrafiltration processes into a concentric cylindrical tank. The functions of each process are described below.

[0023] Inlet water zone: Raw water is pressurized and boosted by the raw water pump and then pretreated by the dosing module. Polyaluminum chloride and sodium hypochlorite are added to the raw water. After being fully mixed by the pipeline mixer, the water enters the equipment through the inlet water zone and is then transported to the flocculation zone.

[0024] Flocculation Zone: When raw water carrying chemicals flows through the grid of the grid flocculation tank, the water flow path is forced to scale and turn, resulting in complex turbulence and eddies. This process not only enhances the turbulence of the water flow, but also significantly increases the relative velocity between tiny particles in the water, increasing the chance of particle collisions. As the collision frequency increases, microparticles with flocculation properties gradually aggregate into larger flocs, creating favorable conditions for subsequent sedimentation and separation.

[0025] The water purification zone mainly consists of inclined tube packing and ultrafiltration membranes. Water treated by flocculation enters the inclined tube sedimentation tank through the inlet on the lower wall, where suspended impurities settle. The water rises along the inclined tubes, while the separated sludge slides down to the bottom under gravity and is then discharged. This process can increase sedimentation efficiency by 50-60% and improve treatment capacity by 3-5 times in the same area. The clarified water is then filtered using ultrafiltration membrane pressure difference technology to remove harmful substances such as rust, colloids, bacteria, and large organic molecules, while retaining some beneficial minerals. Sodium hypochlorite is added to the filtrate for disinfection, ensuring the microbial safety of the drinking water.

[0026] The specific workflow of this utility model is as follows: Raw water enters the pipeline mixer 25 through the raw water pump 21 and the inlet pipe 22. Polyaluminum chloride and sodium hypochlorite are added to the raw water through the pretreatment dosing module 23 and the pretreatment dosing pipe 24. After being fully mixed by the pipeline mixer 25, the water enters the flocculation zone 2 through the inlet zone 1. When flowing through the grid 27, the water flow path is forced to scale and turn, thereby generating complex turbulence and vortex phenomena. By increasing the collision frequency, the microparticles with flocculation properties are gradually aggregated into larger flocs. The water after flocculation treatment enters the clean water zone 3 through the inlet on the lower pool wall, where suspended impurities in the water are precipitated in the inclined tube packing 26. The inclined tube packing 26 rises and flows, and the separated sludge slides down the inclined tube packing 26 to the bottom of the pool under the action of gravity. Due to the slope of the bottom hopper 28, it accumulates at the sewage outlet and is then discharged through the sewage pipe 34. After sedimentation treatment, the water is filtered out by the membrane separation technology of the hollow fiber ultrafiltration membrane tube inside the ultrafiltration membrane 29 to remove harmful substances such as rust, silt, suspended solids, colloids, bacteria, and macromolecular organic matter, while retaining some mineral elements that are beneficial to the human body. Sodium hypochlorite is added to the filtrate through the product water pipe 30 via the disinfection dosing module 31, the disinfection dosing pump 32, and the disinfection dosing pipe 33 for disinfection treatment. Finally, it is transported to users through the pipeline network to ensure the safety of drinking water.

[0027] The contents not described in detail in this specification are existing technologies known to those skilled in the art. The standard parts used can be purchased from the market, and the irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the existing technology. The machinery, parts and equipment adopt conventional models in the existing technology, and the circuit connection adopts conventional connection methods in the existing technology, which will not be described in detail here.

[0028] This utility model is not limited to the above-described embodiments. Any changes, modifications, substitutions, combinations, or simplifications made without departing from the spirit and principle of this utility model shall be considered equivalent substitutions and shall be included within the protection scope of this utility model.

Claims

1. An integrated drinking water treatment device, characterized in that: The system includes a pool body, which contains an inlet zone (1), a flocculation zone (2), and a purification zone (3). The inlet zone (1) is located in the center of the pool body, the flocculation zone (2) is located on the outer periphery of the inlet zone (1), and the purification zone (3) is located on the outer periphery of the flocculation zone (2). The inlet of the inlet zone (1) is located at the center of the bottom of the pool body. The inlet of the inlet zone (1) is connected to a raw water pump (21) via a pipe. Raw water enters the inlet zone (1) through the raw water pump (21). The outlet at the top of the inlet zone (1) is connected to the inlet at the top of the flocculation zone (2). The flocculation zone (2) contains... A grid screen (27) is provided. The outlet end of the flocculation zone (2) is connected to the inlet end of the purification zone (3). After the raw water flows through the grid screen (27), it enters the purification zone (3) through the inlet on the lower pool wall. Inclined tube packing (26) is provided in the lower part of the purification zone (3). An ultrafiltration membrane (29) is provided in the upper part of the purification zone (3). The ultrafiltration membrane (29) is located above the inclined tube packing (26). The water that has been treated by sedimentation of the inclined tube packing (26) passes through the ultrafiltration membrane (29). The water outlet of the ultrafiltration membrane (29) is connected to the water production pipe (30) through a pipe.

2. The integrated drinking water treatment device as described in claim 1, characterized in that: The pool is a cylindrical pool with concentric circles. The pool is divided into three concentric circles, which are the water inlet zone (1), the flocculation zone (2) and the water purification zone (3) from the inside to the outside.

3. The integrated drinking water treatment device as described in claim 1, characterized in that: The outlet of the raw water pump (21) is connected to the pipeline mixer (25) through the inlet pipe (22). The pipeline mixer (25) is provided with a dosing port. The dosing port is connected to the pretreatment dosing module (23) through the pretreatment dosing pipe (24). The outlet of the pipeline mixer (25) is connected to the inlet of the water inlet area (1) through a pipeline.

4. The integrated drinking water treatment device as described in claim 1, 2, or 3, characterized in that: The bottom of the pool is provided with a hopper (28), which is arranged at an angle and gradually decreases in height from the inside to the outside. The bottom of the side of the pool is provided with a drain outlet, which is connected to a drain pipe (34). Water flows upward along the inclined tube packing (26), and the separated sludge slides down along the inclined tube packing (26) to the bottom of the pool and is discharged through the drain pipe (34).

5. The integrated drinking water treatment device as described in claim 1, characterized in that: The ultrafiltration membrane (29) is made of hollow fiber ultrafiltration membrane tubes. Water that has been treated by sedimentation of inclined tube packing (26) is separated by membrane separation using the hollow fiber ultrafiltration membrane tubes inside the ultrafiltration membrane (29).

6. The integrated drinking water treatment device as described in claim 1, characterized in that: The water production pipe (30) is connected to a disinfection dosing pipe (33), the other end of which is connected to a disinfection dosing pump (32), and the other end of the disinfection dosing pump (32) is connected to a disinfection dosing module (31).

Images