Integrated domestic drinking water treatment device

Abstract

The utility model relates to an integrated domestic drinking water treatment device which comprises a grid flocculation basin, an inclined tube sedimentation basin and a high-efficiency filtering basin which are integrated in a basin body, a water inlet of the grid flocculation basin is connected with a pipeline mixer through a pipeline, and a water inlet end of the pipeline mixer is connected with a raw water pump through a water inlet pipe. A dosing port in the pipeline mixer is connected with a pretreatment dosing module through a pretreatment dosing pipe, a water outlet of the grid flocculation tank is connected with a water inlet in the lower tank wall of the inclined pipe sedimentation tank, a grid grating is arranged in the grid flocculation tank, and inclined pipe filler is arranged in the inclined pipe sedimentation tank; a water outlet above the inclined tube sedimentation tank is connected with a water inlet above the high-efficiency filter tank through a flow guide pipe, a sand filter filler is arranged at the upper part in the high-efficiency filter tank, an ultrafiltration membrane is arranged at the lower part in the high-efficiency filter tank, and a produced water outlet of the ultrafiltration membrane is connected with a produced water pipe through a pipeline; according to the utility model, 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] The utility model relates to water treatment technical field, concretely is a kind of integrated domestic drinking water treatment device. [BACKGROUND]

[0002] In recent years, China's water environment pollution problem is serious, and the particulate matter in water is the main removal object of water treatment, and the particulate matter in water can reduce the safety and health degree of tap water, because they are the carrier of various pollutants. A large number of studies have shown that the higher the removal rate of particulate matter, the safer and healthier the tap water is.

[0003] At present, the conventional treatment process of tap water still has some deficiencies, such as large occupied area, low water treatment efficiency, high wastewater rate and other problems. For example, the prior art mainly adds polyaluminum chloride and sodium hypochlorite into raw water first, carries out grid flocculation and inclined tube sedimentation conventional treatment, then uses high-efficiency filter brick filter to carry out high-efficiency treatment on the settled water, finally flows the treated water to the clear water tank for disinfection treatment before drinking, so as to achieve the treatment effect. However, the effect of the micro-particle colloidal dissolved substance (organic matter, heavy metal, etc.) in water is limited under the actual operation condition, and the most advanced treatment in the process is filtration (coarse filtration) using quartz sand and other porous granular filter material, the effect is general, and there are problems such as high wastewater rate. [SUMMARY]

[0004] The utility model aims at solving the above-mentioned shortage and provides a more fast and convenient integrated domestic drinking water treatment device, solves the problems of low treatment efficiency and large occupied area, avoids the occurrence of secondary pollution, and ensures the safety of drinking water.

[0005] In order to achieve the above-mentioned purpose, an integrated domestic drinking water treatment device is designed, which comprises a grid flocculation tank 1, an inclined tube sedimentation tank 2 and a high-efficiency filter tank 3, and the grid flocculation tank 1, the inclined tube sedimentation tank 2 and the high-efficiency filter tank 3 are integrated in one tank body, the water inlet of the grid flocculation tank 1 is connected with a pipeline mixer 25 through a pipeline, the water inlet end of the pipeline mixer 25 is connected with a raw water pump 21 through a water inlet pipe 22, raw water enters the pipeline mixer 25 through the water inlet pipe 22 by the raw water pump 21, a dosing port is arranged on the pipeline mixer 25, the dosing port is connected with a pretreatment dosing module 23 through a pretreatment dosing pipe 24, the water outlet of the grid flocculation tank 1 is connected with the water inlet on the lower tank wall of the inclined tube sedimentation tank 2, a grid grate is arranged in the grid flocculation tank 1, the water flowing through the grid grate enters the inclined tube sedimentation tank 2 through the water inlet on the lower tank wall, the inclined tube sedimentation tank 2 is internally provided with inclined tube fillers 26, the water outlet on the upper side of the inclined tube sedimentation tank 2 is connected with the water inlet on the upper side of the high-efficiency filter tank 3 through a flow guide pipe 27, the inclined tube fillers 26 are arranged between the water inlet and the water outlet of the inclined tube sedimentation tank 2, the high-efficiency filter tank 3 is internally provided with sand filter fillers 28 on the upper side and ultrafiltration membranes 29 on the lower side, and the water outlet of the ultrafiltration membranes 29 is connected with a water production pipe 30 through a pipeline.

[0006] Further, the inclined tube sedimentation tank 2 comprises a water inlet area, an inclined tube filler area and a water outlet area, which are arranged in sequence from bottom to top, the inclined tube fillers 26 are arranged in the inclined tube filler area, the bottom of the inclined tube fillers 26 is close to the top surface of the water outlet area, the top of the inclined tube fillers 26 is close to the bottom surface of the water inlet area, and the water outlet of the inclined tube sedimentation tank 2 is arranged on one side of the water inlet area.

[0007] Further, the bottom of the inclined tube sedimentation tank 2 is provided with a sludge discharge outlet, after the water entering the inclined tube sedimentation tank 2 flows upward along the inclined tube fillers 26, the suspended impurities in the water are precipitated in the inclined tube fillers 26, the separated sludge slides downward along the inclined tube fillers 26 to the bottom of the tank under the action of gravity, and is discharged through the sludge discharge outlet on the bottom, so as to further improve the sedimentation efficiency and the treatment capacity in the same area.

[0008] Further, the sand filter fillers 28 are granular filter layers with voids, which include but are not limited to quartz sand filter layers, the sand filter fillers 28 are used for intercepting suspended particles in water, so as to further remove fine suspended impurities in water, the clarified water enters the ultrafiltration membranes 29 below the tank body, the hollow fiber ultrafiltration membrane tube is used for membrane separation inside the ultrafiltration membranes 29, so as to filter out harmful substances such as iron rust, colloid, bacteria and macromolecular organic matter in water, and some mineral elements beneficial to human body can be retained.

[0009] Further, the water production pipe 30 is connected with a disinfection and dosing pipe 33, one end of the disinfection and dosing pipe 33 is connected with a disinfection and dosing pump 32, and the other end of the disinfection and dosing pump 32 is connected with a disinfection and dosing module 31, so that sodium hypochlorite is added into the filtered liquid through the disinfection and dosing module 31, the disinfection and dosing pump 32 and the disinfection and dosing pipe 33, and the safety of the drinking water is further ensured.

[0010] Compared with the prior art, the utility model has the following advantages:

[0011] (1) The utility model provides a more fast and convenient integrated domestic drinking water treatment device, solves the problems of low treatment efficiency and large floor area, avoids the occurrence of secondary pollution, and ensures the safety of drinking water.

[0012] (2) The utility model has high reclaimed water recovery rate and low use cost after being treated by the high-efficiency filter tank.

[0013] (3) The low turbidity of the treated water of the utility model can effectively improve the disinfectant action efficiency in the subsequent chlorination disinfection process.

[0014] (4) The utility model combines sand filtration and ultrafiltration together, which can not only significantly improve the treatment efficiency, save the floor area, reduce the wastewater rate, and effectively improve the disinfectant action efficiency in the subsequent chlorination disinfection process. [BRIEF DESCRIPTION OF DRAWINGS]

[0015] Figure 1 is the structural schematic view of the utility model;

[0016] In the drawing: 1, grid flocculation tank 2, inclined tube sedimentation tank 3, high-efficiency filter tank 21, raw water pump 22, water inlet pipe 23, pretreatment dosing module 24, pretreatment dosing pipe 25, pipeline mixer 26, inclined tube filler 27, flow guide pipe 28, sand filtration filler 29, ultrafiltration membrane 30, water production pipe 31, disinfection and dosing module 32, disinfection and dosing pump 33, disinfection and dosing pipe. [DETAILED DESCRIPTION]

[0017] As shown in the accompanying drawings Figure 1The utility model provides a kind of integrated domestic drinking water treatment device, including grid flocculation tank 1, inclined tube sedimentation tank 2 and efficient filter tank 3, and grid flocculation tank 1, inclined tube sedimentation tank 2, efficient filter tank 3 are integrated in one pool body, the water inlet of grid flocculation tank 1 is connected pipeline mixer 25 by pipeline, the water inlet end of pipeline mixer 25 is connected raw water pump 21 by inlet pipe 22, raw water is entered into pipeline mixer 25 by raw water pump 21 through inlet pipe 22, pipeline mixer 25 is equipped with dosing port, dosing port is connected pretreatment dosing module 23 by pretreatment dosing pipe 24, the water outlet of grid flocculation tank 1 is connected the water inlet on the pool wall below inclined tube sedimentation tank 2, grid flocculation tank 1 is provided with grid grating, water flowing through grid grating enters into inclined tube sedimentation tank 2 by the water inlet on the pool wall below, inclined tube sedimentation tank 2 is provided with inclined tube filler 26 inside, the water outlet above inclined tube sedimentation tank 2 is connected the water inlet above efficient filter tank 3 by flow guide pipe 27, inclined tube filler 26 is located between the water inlet and water outlet of inclined tube sedimentation tank 2, the upper portion of efficient filter tank 3 is provided with sand filter filler 28, the lower portion of efficient filter tank 3 is provided with ultrafiltration membrane 29, the water outlet of ultrafiltration membrane 29 is connected water production pipe 30 by pipeline.

[0018] Inclined tube sedimentation tank 2 includes water inlet area, inclined tube filler area and water outlet area, water inlet area, inclined tube filler area and water outlet area are arranged from bottom to top in turn, inclined tube filler 26 is arranged in inclined tube filler area, the bottom of inclined tube filler 26 is close to the top surface of water outlet area, the top of inclined tube filler 26 is close to the bottom surface of water inlet area, and the water outlet of inclined tube sedimentation tank 2 is arranged on one side of water inlet area; The bottom of inclined tube sedimentation tank 2 is provided with a sludge discharge outlet, after the water entering inclined tube sedimentation tank 2 flows upward along inclined tube filler 26, the suspended impurities in the water are precipitated in inclined tube filler 26, the separated sludge slides downward along inclined tube filler 26 to the bottom of the pool under the action of gravity, and is discharged through the sludge discharge outlet of the bottom, thereby further improving the sedimentation efficiency and the treatment capacity in the same area.

[0019] Sand filter filler 28 is a granular filter layer with voids, which includes but is not limited to a quartz sand filter layer. Sand filter filler 28 is used to intercept suspended particles in water, thereby further removing fine suspended impurities in water. The clarified water enters the ultrafiltration membrane 29 below the pool body. The hollow fiber ultrafiltration membrane tube is used for membrane separation inside the ultrafiltration membrane 29, thereby filtering out harmful substances such as iron rust, colloids, bacteria and macromolecular organic matter in water, and retaining some mineral elements beneficial to human body. The water production pipe 30 is connected with a disinfection dosing pipe 33, the other end of the disinfection dosing pipe 33 is connected with a disinfection dosing pump 32, and the other end of the disinfection dosing pump 32 is connected with a disinfection dosing module 31, thereby adding sodium hypochlorite into the filtered liquid through the disinfection dosing module 31, the disinfection dosing pump 32 and the disinfection dosing pipe 33, to further ensure the safety of drinking water.

[0020] The utility model discloses further illustrate as follows in combination with the drawings and specific embodiments:

[0021] The utility model discloses mainly by grid flocculation pool, inclined tube sedimentation tank and high -efficient filter pool three parts constitute.

[0022] Grid flocculation pool: when raw water carries medicament and flows through the grid of grid flocculation pool, the water flow path is forced to zoom and turn, and then complex turbulence and vortex phenomenon are produced. This process not only enhances the turbulence of water flow, but also significantly improves the relative motion speed between the small particles in water, increases the opportunity of particle collision. With the increase of collision frequency, the micro-particles with flocculation performance gradually gather into larger flocculation body, which creates favorable conditions for subsequent sedimentation separation.

[0023] Inclined tube sedimentation tank: the inclined tube sedimentation tank mainly includes water inlet area, inclined tube filler area and water outlet area. The water treated by flocculation is entered into the inclined tube sedimentation tank through the water inlet on the lower pool wall, so that the suspended impurities in the water are deposited in the inclined tube. The water flows upward along the inclined tube, and the separated sludge slides down along the inclined tube to the bottom of the pool under the action of gravity, and then is concentrated and discharged. The sedimentation efficiency can be improved by 50-60%, and the treatment capacity can be improved by 3-5 times in the same area.

[0024] High -efficient filter pool: high -efficient filter pool mainly includes sand filter module and ultrafiltration module, and the water treated by sedimentation is first passed through the sand filter module. The particulate filter material layer with voids such as quartz sand is used to intercept the suspended particles in water by adhesion, so as to further remove the small suspended impurities in water. The clarified water enters the ultrafiltration module below the pool body. The differential pressure membrane separation technology is used to filter out harmful substances such as iron rust, colloid, bacteria and macromolecular organic matter in water, and some beneficial mineral elements for human body can be retained. Sodium hypochlorite is added into the filtrate, and the breakpoint chlorination method is used to oxidize ammonia nitrogen in water into harmless nitrogen gas N2, which escapes into the atmosphere, so that the reaction source continuously moves to the right. The low turbidity of the water treated by sand filtration + ultrafiltration can effectively improve the disinfectant efficiency in the subsequent chlorination disinfection process, and ensure the microbial safety of drinking water.

[0025] The working process of the utility model is: raw water enters into pipeline mixer 25 through water inlet pipe 22 by raw water pump 21, polyaluminum chloride and sodium hypochlorite are added into raw water through pretreatment dosing module 23 and pretreatment dosing pipe 24, after being mixed fully by pipeline mixer 25, the water flows through the grid of grid flocculation tank 1, the water flow path is forced to zoom and turn, and then complex turbulence and vortex phenomenon are generated, by increasing the collision frequency, the micro-particles with flocculation performance are gradually gathered into larger flocculation bodies, the water treated by flocculation passes through the water inlet on the lower tank wall and enters into inclined tube sedimentation tank 2, so that the suspended impurities in the water are precipitated in the inclined tube filler 26, the water flows upwards along the inclined tube filler 26, the separated sludge slides downwards along the inclined tube filler 26 to the bottom of the tank under the action of gravity, and is then discharged in batches, the water treated by sedimentation passes through flow guide pipe 27 and enters into high-efficiency filter tank 3, the granular filter material layer with gaps such as quartz sand of sand filter filler 28 is used to intercept the suspended particles in the water by adhesion, so that the fine suspended impurities in the water are further removed, the clarified water enters into the ultrafiltration module below the tank body, the membrane separation technology of the hollow fiber ultrafiltration membrane tube inside the ultrafiltration membrane 29 is used to filter out the harmful substances such as rust, silt, suspended matter, colloid, bacteria and macromolecular organic matter in the water, and some mineral elements beneficial to human body can be retained, sodium hypochlorite is added into the filtered liquid by water production pipe 30, disinfection dosing module 31, disinfection dosing pump 32 and disinfection dosing pipe 33, the mechanism of breakpoint chlorination is used to oxidize the ammonia nitrogen in the water into harmless nitrogen gas N2, which escapes into the atmosphere, so that the reaction continuously proceeds to the right, and finally the water is transported to the user through the pipe network to ensure the safety of drinking water.

[0026] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art, the standard parts used can be purchased from the market, the special-shaped parts can be ordered according to the description and drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.

[0027] The utility model is not limited by the above-mentioned implementation manners, other changes, modifications, substitutions, combinations and simplifications made without departing from the spirit and principles of the utility model should be equivalent replacement modes, and all are included in the protection scope of the utility model.

Claims

1. An integrated domestic drinking water treatment device, characterized by: The grid flocculation tank (1), the inclined tube sedimentation tank (2) and the high-efficiency filter tank (3) are integrated in one tank body, the water inlet of the grid flocculation tank (1) is connected with the pipeline mixer (25) through a pipeline, the water inlet end of the pipeline mixer (25) is connected with the raw water pump (21) through the water inlet pipe (22), the raw water enters the pipeline mixer (25) through the water inlet pipe (22) by the raw water pump (21), the pipeline mixer (25) is provided with a dosing port, the dosing port is connected with the pretreatment dosing module (23) through the pretreatment dosing pipe (24), the water outlet of the grid flocculation tank (1) is connected with the water inlet on the lower tank wall of the inclined tube sedimentation tank (2), the grid grating is arranged in the grid flocculation tank (1), the water flowing through the grid grating enters the inclined tube sedimentation tank (2) through the water inlet on the lower tank wall, the inclined tube filler (26) is arranged in the inclined tube sedimentation tank (2), the water outlet on the upper side of the inclined tube sedimentation tank (2) is connected with the water inlet on the upper side of the high-efficiency filter tank (3) through the flow guide pipe (27), the inclined tube filler (26) is arranged between the water inlet and the water outlet of the inclined tube sedimentation tank (2), the sand filter filler (28) is arranged in the upper part of the high-efficiency filter tank (3), the ultrafiltration membrane (29) is arranged in the lower part of the high-efficiency filter tank (3), and the water outlet of the ultrafiltration membrane (29) is connected with the water production pipe (30) through a pipeline.

2. The integrated domestic drinking water treatment device according to claim 1, characterized in that: The inclined tube sedimentation tank (2) comprises a water inlet area, an inclined tube filler area and a water outlet area, the water inlet area, the inclined tube filler area and the water outlet area are arranged in sequence from bottom to top, the inclined tube filler (26) is arranged in the inclined tube filler area, the bottom of the inclined tube filler (26) is close to the top surface of the water outlet area, the top of the inclined tube filler (26) is close to the bottom surface of the water inlet area, and the water outlet of the inclined tube sedimentation tank (2) is arranged on one side of the water inlet area.

3. The integrated drinking water treatment device according to claim 1 or 2, characterized in that: The bottom of the inclined tube sedimentation tank (2) is provided with a sludge discharge outlet, after the water entering the inclined tube sedimentation tank (2) flows upward along the inclined tube filler (26), the suspended impurities in the water are precipitated in the inclined tube filler (26), the separated sludge slides downward along the inclined tube filler (26) to the bottom of the tank under the action of gravity and is discharged through the sludge discharge outlet on the bottom of the tank.

4. The integrated domestic drinking water treatment device according to claim 1, characterized in that: The sand filter filler (28) is a granular filter layer with voids, the granular filter layer comprises but is not limited to a quartz sand filter layer, the sand filter filler (28) is used for intercepting suspended particles in water, and the ultrafiltration membrane (29) internally adopts a hollow fiber ultrafiltration membrane tube for membrane separation.

5. The integrated domestic drinking water treatment device according to claim 1, characterized in that: The water production pipe (30) is connected with the disinfection dosing pipe (33), the other end of the disinfection dosing pipe (33) is connected with the disinfection dosing pump (32), and the other end of the disinfection dosing pump (32) is connected with the disinfection dosing module (31).

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