EDI water treatment device

Abstract

The EDI water treatment device comprises a settling tank, a descaling tank, a filtering tank and a purifying tank, the top of the settling tank is fixedly communicated with a water inlet pipe, the water inlet pipe is fixedly communicated with a first water pump, one side of the top of the settling tank is fixedly communicated with a first guide pipe, and the first guide pipe is fixedly communicated with a second water pump; a second guide pipe is fixedly communicated with one side of the top surface of the descaling tank, a third water pump is fixedly communicated with the second guide pipe, the top surface of the descaling tank is fixedly communicated with the end part of the first guide pipe, feeding cylinders are horizontally and fixedly communicated with the upper parts of the outer circumferential surfaces of the settling tank and the descaling tank, and blanking cylinders are vertically and fixedly communicated with the tops of the feeding cylinders; the problems that a structure for carrying out pre-precipitation and descaling on water is lacked, suspended solids and hardened salt in the water are filtered and left in the carbon filter tank and the sand filter tank, a gap between the carbon filter tank and the sand filter tank is blocked, and the circulation rate of the carbon filter tank and the sand filter tank is reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of water treatment equipment, and more specifically to an EDI water treatment device. Background Art

[0002] EDI, also known as continuous electrodialysis technology, scientifically integrates electrodialysis technology and ion exchange technology. Through the selective permeation of cations and anions by cation and anion membranes and the exchange of ions in water by ion exchange resins, the directional migration of ions in water is achieved under the action of the electric field, thereby achieving deep purification and desalination of water, and continuously regenerating the loaded resin through hydrogen ions and hydroxide ions generated by water electrolysis.

[0003] The existing announcement number is CN215365259U, and the name is a two-stage RO+EDI ultrapure water treatment system, which includes a base, a second mounting frame is fixedly connected to the upper surface of the base, a plurality of clamps are fixedly connected to one side of the second mounting frame, and a softening tank, a carbon filter tank and a sand filter tank are fixedly connected to the inside of the plurality of clamps, respectively. The tops of the softening tank, the carbon filter tank and the sand filter tank are fixedly connected to a raw water inlet pipe, and one end of the raw water inlet pipe is fixedly connected to a pure water connecting pipe. The upper surface of the base is fixedly connected to a first mounting frame, and one side of the first mounting frame is fixedly connected to two reverse osmosis system mechanisms. The reverse osmosis system mechanism An ultrapure water outlet pipe is fixedly connected to one side of the base, a third mounting bracket is fixedly connected to the upper surface of the base, a fine filter is fixedly connected to the top of the third mounting bracket, a collector is fixedly connected to the bottom of the fine filter, a pressure pump is fixedly connected to the upper surface of the base, and the pressure pump is connected to the reverse osmosis system mechanism, one end of the pure water connecting pipe passes through the collector and is connected to the pressure pump, through the coordinated use of the carbon filter tank, the sand filter tank and the softening tank, the carbon filter tank can filter out suspended matter in the water, the sand filter tank can filter out dissolved matter in the water, the softening tank can remove hardness in the water, soften the water, and improve the water quality treatment effect.

[0004] However, the above-mentioned device for treating water directly introduces water into the carbon filter tank, the sand filter tank and the softening tank in sequence for treatment, but lacks a structure for pre-precipitation and descaling of the water during treatment, resulting in suspended matter and hardened salts in the water being filtered and retained in the carbon filter tank and the sand filter tank, blocking the gap between the carbon filter tank and the sand filter tank, resulting in a decrease in the flow rate of the carbon filter tank and the sand filter tank. Utility Model Content

[0005] 1. Technical problems to be solved

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide an EDI water treatment device, which overcomes the above-mentioned technical defects.

[0007] 2. Technical solution

[0008] To solve the above problems, the utility model adopts the following technical solutions.

[0009] An EDI water treatment device comprises a sedimentation tank, a descaling tank, a filtering tank and a purification tank. A water inlet pipe is connected and fixed at the top of the sedimentation tank, and a first water pump is connected and fixed on the water inlet pipe. A first conduit is connected and fixed at one side of the top of the sedimentation tank, and a second water pump is connected and fixed on the first conduit. A second conduit is connected and fixed at one side of the top surface of the descaling tank, and a third water pump is connected and fixed on the second conduit. The top surface of the descaling tank is connected and fixed with the end of the first conduit. A feeding cylinder is horizontally connected and fixed at the upper part of the outer circumferential surface of the sedimentation tank and the descaling tank, and a blanking cylinder is vertically connected and fixed at the top of the feeding cylinder. A feeding screw is horizontally rotatably connected in the feeding cylinder, and a feeding motor is horizontally fixed at one end of the feeding cylinder, and the output end of the feeding motor is fixed on the feeding screw. The top end of the filtering tank is connected and fixedly connected with the other end of the second conduit, and the bottom end of the filtering tank is connected and fixed with the third conduit, and a high-pressure water pump is connected and fixed on the third conduit. The top end of the purification tank is fixedly connected with the other end of the third conduit, and the bottom end of the purification tank is connected and fixed with a drain pipe.

[0010] Furthermore, the bottom ends of the sedimentation tank and the descaling tank are both opened, and the open ends of the sedimentation tank and the descaling tank are respectively fixed with a first bottom plate and a second bottom plate, a stirring rod is rotatably connected to the middle of the top surfaces of the first bottom plate and the second bottom plate, and a stirring motor is vertically fixed on the bottom surfaces of the first bottom plate and the second bottom plate, and the output end of the stirring motor is fixed on the rotating shaft of the stirring rod.

[0011] Furthermore, drainage pipes are connected and fixed on the bottom surfaces of the first bottom plate and the second bottom plate, and valves are connected and fixed on the drainage pipes.

[0012] Furthermore, a first external thread is provided at the bottom of the outer circumferential surface of the filter tank, and the bottom thread of the filter tank is assembled with a first screw cover in conjunction with the first external thread. A stud is vertically fixed at the inner center of the first screw cover, and a plurality of mesh boxes are assembled on the stud in sequence along the vertical direction. The bottom end of the first screw cover is connected and fixed to the end of the third conduit.

[0013] Furthermore, a screw barrel is vertically fixed through the center of the mesh box, and the screw barrel is threadedly assembled on the stud. The multiple mesh boxes of the stud are filled with filter cotton, sand blocks and activated carbon blocks in sequence from top to bottom.

[0014] Furthermore, a second external thread is provided at the bottom of the outer circumferential surface of the purification tank, and a second screw cover is assembled with the bottom thread of the purification tank in cooperation with the second external thread, and a mesh cylinder is vertically fixed at the center of the second screw cover.

[0015] Furthermore, a reverse osmosis membrane is sleeved on the outside of the net cylinder.

[0016] 3. Beneficial effects

[0017] Compared with the prior art, the advantages of the present invention are:

[0018] The used reclaimed water is introduced into the sedimentation tank through the first water pump on the water inlet pipe. After the water is injected into the sedimentation tank, the flocculant is added into the sedimentation tank through the feeding pipe. The sedimentation tank is left to stand for a while to settle the flocculants in the water. Then the second water pump on the first conduit is started to guide the precipitated water in the sedimentation tank through the first conduit to the descaling tank. The descaling agent is added into the descaling tank through the feeding pipe in the descaling tank. After the descaling and softening of the water is completed, the third water pump on the second conduit is started to guide the softened water in the descaling tank through the second conduit to the filter tank. The filtered water is filtered through the filter. The high-pressure water pump on the third conduit guides the water to the purification tank, where the filtered water is purified and filtered, and then discharged through the drain pipe. Thus, when the water is processed, it is first purified by adding medicine in the sedimentation tank and the descaling tank, and the water is pre-precipitated and descaled, which prevents the suspended matter and hardened salt in the water from being filtered and retained in the carbon filter tank and the sand filter tank, blocking the gap between the carbon filter tank and the sand filter tank, and causing the problem of reduced flow rate of the carbon filter tank and the sand filter tank, which facilitates the guarantee of water flow rate in the later stage and improves the water flow purification efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the structure of the sedimentation tank in the decomposed state in the implementation of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the descaling tank in the decomposed state in the implementation of the utility model;

[0022] Figure 4 It is a schematic diagram of the structure of the filter tank in the decomposed state in the implementation of the utility model;

[0023] Figure 5 It is a schematic structural diagram of the purification tank in a decomposed state in the implementation of the utility model.

[0024] Description of the numbers in the figure:

[0025] 1. Sedimentation tank; 11. Water inlet pipe; 111. First water pump; 12. First bottom plate; 13. First conduit; 131. Second water pump; 2. Descaling tank; 21. Second bottom plate; 22. Second conduit; 221. Third water pump; 3. Filter tank; 31. First external thread; 32. First screw cover; 33. Stud; 34. Net box; 341. Screw barrel; 35. Filter cotton; 36. Sand block; 37. Activated carbon block; 38. Third conduit; 381. High-pressure water pump; 4. Purification tank; 41. Second external thread; 42. Second screw cover; 43. Net barrel; 44. Reverse osmosis membrane; 45. Drain pipe; 5. Stirring rod; 51. Stirring motor; 6. Feeding barrel; 61. Dropping barrel; 62. Feeding screw; 63. Feeding motor; 7. Drain pipe; 71. Valve. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-5An EDI water treatment device comprises a sedimentation tank 1, a descaling tank 2, a filtering tank 3 and a purification tank 4. The top of the sedimentation tank 1 is connected and fixed with a water inlet pipe 11, and the water inlet pipe 11 is connected and fixed with a first water pump 111. The top side of the sedimentation tank 1 is connected and fixed with a first conduit 13, and the first conduit 13 is connected and fixed with a second water pump 131. The top side of the descaling tank 2 is connected and fixed with a second conduit 22, and the second conduit 22 is connected and fixed with a third water pump 221. The top surface of the descaling tank 2 is connected and fixed with the end of the first conduit 13. The upper part of the outer circumference of the sedimentation tank 1 and the descaling tank 2 is water-filled. A feeding cylinder 6 is fixedly connected horizontally, and a blanking cylinder 61 is fixedly connected to the top of the feeding cylinder 6 vertically, a feeding screw 62 is connected to the feeding cylinder 6 for horizontal rotation, and a feeding motor 63 is fixedly fixed to one end of the feeding cylinder 6, and the output end of the feeding motor 63 is fixed to the feeding screw 62, the top of the filter tank 3 is fixedly connected to the other end of the second conduit 22, and the bottom end of the filter tank 3 is fixedly connected to the third conduit 38, and the third conduit 38 is fixedly connected to the high-pressure water pump 381, the top of the purification tank 4 is fixedly connected to the other end of the third conduit 38, and the bottom end of the purification tank 4 is fixedly connected to the drainage The pipe 45 is used to introduce the used water into the sedimentation tank 1 through the first water pump 111 on the water inlet pipe 11. After the water is injected into the sedimentation tank 1, the flocculant is added into the sedimentation tank 1 through the feeding pipe 6. The sedimentation tank 1 is left to stand for a while to settle the flocculants in the water. Then the second water pump 131 on the first conduit 13 is started to guide the precipitated water in the sedimentation tank 1 to be introduced into the descaling tank 2 through the first conduit 13. The descaling agent is added into the descaling tank 2 through the feeding pipe 6 in the descaling tank 2. After the descaling and softening of the water is completed, the third water pump 221 on the second conduit 22 is started to guide the softened water in the descaling tank 2 to be introduced into the descaling tank 2 through the second conduit 22. In the filter tank 3, the filtered water is guided to the purification tank 4 through the high-pressure water pump 381 on the third conduit 38. After the filtered water is purified and filtered in the purification tank 4, the pure water is discharged through the drain pipe 45. Therefore, when the water is processed, it is first purified by adding medicine through the sedimentation tank 1 and the descaling tank 2, and the water is pre-precipitated and descaled, which avoids the suspended matter and hardened salt in the water being filtered and retained in the carbon filter tank and the sand filter tank, blocking the gap between the carbon filter tank and the sand filter tank, resulting in the problem of reduced flow rate of the carbon filter tank and the sand filter tank, which is convenient for ensuring the water flow rate in the later stage and improving the water flow purification efficiency.

[0028] See also Figure 2 and Figure 3The bottom ends of the sedimentation tank 1 and the descaling tank 2 are both opened, and the open ends of the sedimentation tank 1 and the descaling tank 2 are respectively fixed with the first bottom plate 12 and the second bottom plate 21, the middle of the top surface of the first bottom plate 12 and the second bottom plate 21 is rotatably connected with a stirring rod 5, and a stirring motor 51 is vertically fixed on the bottom surface of the first bottom plate 12 and the second bottom plate 21, and the output end of the stirring motor 51 is fixed on the rotating shaft of the stirring rod 5, and the bottom surfaces of the first bottom plate 12 and the second bottom plate 21 are both connected and fixed with a drain pipe 7, and a valve 71 is connected and fixed on the drain pipe 7. In use, in order to facilitate the mixing of medicine and water in the sedimentation tank 1 and the descaling tank 2, the stirring motor 51 is started to drive the stirring rod 5 to rotate, and the mixed medicine and water are convenient for fully precipitating and descaling impurities in the water. In the later stage, the mud material that is fully precipitated and descaled in the water is discharged from the drain pipe 7.

[0029] See also Figure 4 A first external thread 31 is provided at the bottom of the outer circumferential surface of the filter tank 3, and the bottom thread of the filter tank 3 is assembled with a first screw cover 32 in cooperation with the first external thread 31, a stud 33 is vertically fixed at the inner center of the first screw cover 32, and a plurality of net boxes 34 are sequentially penetrated and assembled on the stud 33 in the vertical direction, the bottom end of the first screw cover 32 is connected and fixed with the end of the third conduit 38, a screw barrel 341 is vertically penetrated and fixed at the center of the net box 34, and the screw barrel 341 is threadedly assembled on the stud 33, and a plurality of net boxes 34 of the stud 33 are sequentially filled with filter cotton 35, sand blocks 36 and activated carbon blocks 37 from top to bottom, so that During use, a plurality of net boxes 34 are assembled on the stud 33 from top to bottom, and the plurality of net boxes 34 are filled with filter cotton 35, sand block 36 and activated carbon block 37 from top to bottom. The incoming water is first filtered through the filter cotton 35 and the sand block 36 to remove impurities in the water, and then the chlorine radicals in the water are adsorbed by the activated carbon block 37. When the filter cotton 35, the sand block 36 and the activated carbon block 37 are replaced later, the first screw cover 32 and the filter tank 3 are threadedly disassembled, and the net box 34 and the stud 33 are disassembled and replaced later, thereby improving the flexibility of disassembling and replacing the filter cotton 35, the sand block 36 and the activated carbon block 37 in the later stage.

[0030] See also Figure 5 A second external thread 41 is provided at the bottom of the outer circumferential surface of the purification tank 4, and a second screw cover 42 is assembled with the bottom thread of the purification tank 4 in cooperation with the second external thread 41, and a mesh cylinder 43 is vertically fixed at the center of the second screw cover 42, and a reverse osmosis membrane 44 is sleeved on the outside of the mesh cylinder 43. During use, water pressurized by the high-pressure water pump 381 enters the interior of the purification tank 4, and then the high-pressure water is filtered and removed through the reverse osmosis membrane 44, and then the water passes through the mesh cylinder 43 downward and is discharged through the drain pipe 45, thereby further purifying the water.

[0031] When in use, water is introduced into the sedimentation tank 1 through the first water pump 111 on the water inlet pipe 11. After the water is injected into the sedimentation tank 1, the flocculant is added into the sedimentation tank 1 through the feeding pipe 6. The sedimentation tank 1 is left to stand for a while to settle the flocculants in the water. Then, the second water pump 131 on the first conduit 13 is started to guide the water settled in the sedimentation tank 1 through the first conduit 13 to the descaling tank 2. The descaling agent is added into the descaling tank 2 through the feeding pipe 6 in the descaling tank 2. After the descaling and softening of the water is completed, the third water pump 221 on the second conduit 22 is started to guide the water settled in the sedimentation tank 1 through the first conduit 13 to the descaling tank 2. The softened water in the descaling tank 2 is introduced into the filter tank 3 through the second conduit 22. The water entering is first filtered through the filter cotton 35 and the sand block 36 to remove impurities in the water, and then adsorbed by the activated carbon block 37 to remove chlorine in the water. The filtered water is guided to the purification tank 4 through the high-pressure water pump 381 on the third conduit 38. The pressurized water enters the interior of the purification tank 4, and then the high-pressure water is filtered and removed through the reverse osmosis membrane 44. The filtered water is purified and filtered in the purification tank 4, and then the pure water is discharged through the drain pipe 45.

[0032] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. An EDI water treatment device, characterized in that: The invention comprises a sedimentation tank (1), a descaling tank (2), a filtering tank (3) and a purification tank (4); the top of the sedimentation tank (1) is connected and fixed with a water inlet pipe (11), and the water inlet pipe (11) is connected and fixed with a first water pump (111); one side of the top of the sedimentation tank (1) is connected and fixed with a first conduit (13), and the first conduit (13) is connected and fixed with a second water pump (131); one side of the top surface of the descaling tank (2) is connected and fixed with a second conduit (22), and the second conduit (22) is connected and fixed with a third water pump (221); the top surface of the descaling tank (2) is connected and fixed with the end of the first conduit (13); the upper parts of the outer circumferential surfaces of the sedimentation tank (1) and the descaling tank (2) are both horizontally connected and fixed. A feeding cylinder (6) is provided, and a blanking cylinder (61) is vertically connected and fixed at the top of the feeding cylinder (6), a feeding screw (62) is horizontally rotatably connected in the feeding cylinder (6), and a feeding motor (63) is horizontally fixed at one end of the feeding cylinder (6), and the output end of the feeding motor (63) is fixed on the feeding screw (62), the top end of the filtering tank (3) is fixedly connected with the other end of the second conduit (22), and the bottom end of the filtering tank (3) is connected and fixedly connected with a third conduit (38), and a high-pressure water pump (381) is connected and fixedly connected to the third conduit (38), the top end of the purification tank (4) is fixedly connected with the other end of the third conduit (38), and the bottom end of the purification tank (4) is connected and fixedly connected with a drain pipe (45).

2. An EDI water treatment device according to claim 1, characterized in that: The bottom ends of the sedimentation tank (1) and the descaling tank (2) are both opened, and the first bottom plate (12) and the second bottom plate (21) are fixed to the open ends of the sedimentation tank (1) and the descaling tank (2), respectively; a stirring rod (5) is rotatably connected to the middle of the top surface of the first bottom plate (12) and the second bottom plate (21); a stirring motor (51) is vertically fixed to the bottom surface of the first bottom plate (12) and the second bottom plate (21), and the output end of the stirring motor (51) is fixed to the rotating shaft of the stirring rod (5).

3. An EDI water treatment device according to claim 2, characterized in that: A drainage pipe (7) is connected and fixed on the bottom surfaces of the first bottom plate (12) and the second bottom plate (21), and a valve (71) is connected and fixed on the drainage pipe (7).

4. An EDI water treatment device according to claim 1, characterized in that: The bottom of the outer circumferential surface of the filter tank (3) is provided with a first external thread (31), and the bottom thread of the filter tank (3) cooperates with the first external thread (31) to assemble a first screw cover (32), a stud (33) is vertically fixed at the inner center of the first screw cover (32), and a plurality of net boxes (34) are sequentially penetrated and assembled on the stud (33) in the vertical direction, and the bottom end of the first screw cover (32) is connected and fixed to the end of the third guide tube (38).

5. An EDI water treatment device according to claim 4, characterized in that: A screw barrel (341) is vertically passed through and fixed at the center of the net box (34), and the screw barrel (341) is threadedly assembled on the stud (33). The multiple net boxes (34) of the stud (33) are filled with filter cotton (35), sand blocks (36) and activated carbon blocks (37) in sequence from top to bottom.

6. An EDI water treatment device according to claim 1, characterized in that: The bottom of the outer circumferential surface of the purification tank (4) is provided with a second external thread (41), and the bottom thread of the purification tank (4) is matched with the second external thread (41) to assemble a second screw cover (42), and a net cylinder (43) is vertically fixed at the center of the second screw cover (42).

7. An EDI water treatment device according to claim 6, characterized in that: The outer portion of the net cylinder (43) is provided with a reverse osmosis membrane (44).

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