High-efficiency water treatment device for treating calcium and magnesium ions in water

Abstract

The present invention relates to the technical field of water treatment, and relates to a high-efficiency water treatment device for treating calcium and magnesium ions in water. The device comprises a valve body and a movable valve cylinder; a water inlet port, a water outlet port, a regeneration drainage port, and at least one forward / reverse washing drainage port are formed in the side wall of the valve body; the top of the movable valve cylinder is sealed, and the movable valve cylinder comprises an outer cylinder and an inner cylinder that are coaxially arranged; an annular water passage is formed between the outer cylinder and the inner cylinder, and the annular water passage is communicated with a first filter element port; an inner cavity of the inner cylinder is vertically aligned with and connected to a second filter element port; a first outer water hole and a second outer water hole that are communicated with the annular water passage are formed in the cylinder wall of the outer cylinder; and a first inner water hole and a second inner water hole that pass through the cylinder wall of the outer cylinder and the cylinder wall of the inner cylinder are formed at the connection between the outer cylinder and the inner cylinder. In the present invention, when in use, water can flow vertically and unobstructedly between the second filter element port and the inner cylinder, so that the entire horizontal cross-sectional area of the second filter element port can be utilized for water passage, simplifying the structure of the valve body and maximizing the water flow rate.

Description

High-efficiency water treatment device for treating calcium and magnesium ions in water TECHNICAL FIELD

[0001] The present application belongs to the technical field of water treatment, and relates to a high-efficiency water treatment device for treating calcium and magnesium ions in water. BACKGROUND

[0002] Softened water refers to natural water containing a small amount of soluble magnesium salt and calcium salt, or hard water treated by softening. Softened water is suitable for use in a wide range of fields such as bathrooms, kitchens, laundry, heating, boilers, central air conditioning equipment, and the like. The main function of a softened water device is to reduce the hardness of water by adsorbing calcium and magnesium ions in water through ion exchange resin. The principle is that sodium ions contained in the resin exchange with calcium ions and magnesium ions in water. However, when the resin is saturated with adsorption, it will lose its effectiveness and needs to be regenerated and activated. The regeneration liquid used is sodium chloride (salt), and the salt solution (sodium chloride solution) is taken from a salt tank and enters the resin layer to replace the calcium and magnesium ions in the resin, which are then removed through waste water during backwashing, so that the resin restores its original exchange capacity. Therefore, the softened water device usually needs to have the functions of softening, backwashing, salt regeneration, salt tank water replenishment, and forward washing.

[0003] The existing device for treating calcium and magnesium ions in water, such as the water treatment multifunctional softening valve disclosed in the authorized announcement CN218845191U, or the multifunctional softening valve disclosed in the authorized announcement CN218954102U. In the above two patents, in order to realize the functions of soft water making, backwashing, regeneration, and forward washing, a plurality of water passing chambers separated from each other need to be arranged in the valve body. When raw water passes through the water inlet through hole on the moving valve piece, it only flows into the first filter core interface or the second filter core interface from one corresponding water passing chamber, so that the effective water passing area from the water passing chamber into the first filter core interface and the second filter core interface is much smaller than the horizontal cross-sectional area of the first filter core interface and the second filter core interface, which affects the water treatment efficiency. SUMMARY

[0004] In view of this, the present application provides a high-efficiency water treatment device for treating calcium and magnesium ions in water to solve the technical problem of low water treatment efficiency of the existing water treatment device.

[0005] To solve the above problems, the high-efficiency water treatment device for treating calcium and magnesium ions in water provided by the present application adopts the following technical solution:

[0006] The high-efficiency water treatment device for treating calcium and magnesium ions in water comprises a valve body, a water inlet interface, a water outlet interface, and a drain interface are arranged on the side wall of the valve body, the valve body has a valve outer water passing chamber and a valve inner chamber arranged coaxially, a first filter core interface and a second filter core interface are arranged coaxially at the bottom of the valve body, the first filter core interface is used for connecting with a softened tank body, and the second filter core interface is used for connecting with a central pipe.

[0007] The water drainage interface comprises a regeneration water drainage interface and at least one forward and reverse washing water drainage interface.

[0008] The valve body is connected with a regeneration pipe, the regeneration pipe has at least a water flow channel and an installation flow channel in communication with each other, a jet flow device is fixed in the installation flow channel, and the regeneration pipe is provided with a salt suction port in communication with the jet flow device.

[0009] The water inlet interface and the water flow channel both extend to the cavity wall of the valve outer water flow cavity and correspondingly form a water inlet hole and a regeneration water inlet hole on the cavity wall of the valve outer water flow cavity.

[0010] The water outlet interface, the regeneration water drainage interface, the forward and reverse washing water drainage interface and the installation flow channel all extend to the cavity wall of the valve inner cavity and correspondingly form a water outlet hole, a regeneration water drainage hole, a forward and reverse washing water drainage hole and a regeneration flow outlet hole on the cavity wall of the valve inner cavity.

[0011] The cavity wall of the valve inner cavity is provided with a water guide hole arranged in an upper and lower interval with the forward and reverse washing water drainage hole at a position corresponding to the forward and reverse washing water drainage hole, the cavity wall of the valve inner cavity is provided with a first valve body water flow hole at a position corresponding to the water inlet hole, and the cavity wall of the valve inner cavity is provided with a second valve body water flow hole arranged in an upper and lower interval with the water outlet hole at a position corresponding to the water outlet hole.

[0012] The water guide hole, the first valve body water flow hole, the second valve body water flow hole and the regeneration water inlet hole are in communication with the valve outer water flow cavity.

[0013] The rotating sealing assembly in the valve inner cavity is provided with a dynamic valve cylinder in a cylindrical shape, the top of the dynamic valve cylinder is blocked, and the dynamic valve cylinder comprises an outer cylinder body and an inner cylinder body supported and connected coaxially in the inner part of the outer cylinder body, a water flow ring channel is formed between the outer cylinder body and the inner cylinder body and opens downward, the water flow ring channel is in communication with the first filter element interface, and the inner cavity of the inner cylinder body is in communication with the second filter element interface in an upper and lower interval; the cylinder wall of the outer cylinder body is provided with a first outer water flow hole and a second outer water flow hole in communication with the water flow ring channel, and the connecting part of the outer cylinder body and the inner cylinder body is provided with a first inner water flow hole and a second inner water flow hole penetrating the cylinder wall of the outer cylinder body and the inner cylinder body, the first inner water flow hole and the second inner water flow hole are in communication with the inner cavity of the inner cylinder body; the first inner water flow hole and the first outer water flow hole are arranged in an upper and lower interval, and the second outer water flow hole and the second inner water flow hole are arranged in an upper and lower interval.

[0014] One of the technical solutions is that the forward and reverse washing water drainage interface is provided with two, the axes of the water inlet interface and the water outlet interface coincide, the two forward and reverse washing water drainage interfaces are respectively located on the two sides of the water inlet interface, the regeneration pipe and the regeneration water drainage port are respectively located on the two sides of the water inlet interface, and the axes of the two forward and reverse washing water drainage interfaces are parallel and arranged in an interval in the upper and lower direction.

[0015] Preferably, the projection of the axis of the water inlet interface, the axis of the regenerated drainage interface and the axis of the two forward and reverse washing drainage interfaces in the up-down direction form an acute angle of 60°.

[0016] Another technical solution is that the forward and reverse washing drainage interfaces are provided with four, the axis of the water inlet interface coincides with the axis of the water outlet interface, two of the four forward and reverse washing drainage interfaces are located on the two sides of the water inlet interface and the axis of the two forward and reverse washing drainage interfaces is coplanar with the axis of the water inlet interface, and the other two forward and reverse washing drainage interfaces are located on the two sides of the water outlet interface and the axis of the two forward and reverse washing drainage interfaces is coplanar with the axis of the regenerated drainage interface, the regenerated drainage interface and the regenerated pipe are respectively located on the two sides of the water inlet interface, and the dynamic valve cylinder rotates on the same side of the water inlet interface and the water outlet interface to realize the functions of reverse washing, regeneration and forward washing.

[0017] Further, the valve body is provided with a water guide pipe coaxially arranged in the valve cavity, the water guide pipe penetrates the inner cylinder body up and down, a plurality of support beams uniformly distributed between the circumferential direction of the water guide pipe and the valve body are integrally formed, and the lower pipe opening of the water guide pipe forms the second filter element interface; an annular valve plate is fixed to the upper end of the water guide pipe, and the valve plate is sealingly matched with the lower end surface of the inner cylinder body.

[0018] Further, the inner side of the water guide pipe is integrally formed with an inner ring protruding upward from the water guide pipe, the valve plate is sleeved outside the inner ring, the valve plate is in supporting contact with the upper end surface of the water guide pipe and is in clamping cooperation with the corresponding support beam.

[0019] Further, the first inner water passage and the second outer water passage are located at the same height on the radial two sides of the dynamic valve cylinder, and the second inner water passage and the first outer water passage are located at the same height on the radial two sides of the dynamic valve cylinder; the first inner water passage is located above the first outer water passage, and the second outer water passage is located above the second inner water passage.

[0020] Further, the lower end surface of the inner cylinder body is located below the lower end surface of the outer cylinder body.

[0021] Further, the outer cylinder body is provided with a sealing ring groove in the circumferential direction, a sealing ring is installed in the sealing ring groove, and at least two sealing ring grooves are spaced apart along the axis direction of the outer cylinder body.

[0022] Further, the top of the inner cylinder body and the outer cylinder body is sealingly connected with a cover plate.

[0023] The beneficial effects of the high-efficiency water treatment device for treating calcium and magnesium ions in water are:

[0024] 1. In use, the water flowing from the inner cylinder to the second filter element interface, or from the second filter element interface into the inner cylinder, flows straight up and down without any structural obstruction. This allows for full utilization of the entire horizontal cross-sectional water flow area of ​​the second filter element interface. Compared with existing water softening devices, this invention maximizes the water output per unit time with the same valve body volume, resulting in a larger flow rate and higher water treatment efficiency. Furthermore, while achieving the same effective flow rate at the second filter element interface, the valve body of this invention can be manufactured in a smaller size and at a lower cost.

[0025] 2. Compared with existing water softening devices, this invention does not have multiple water passage chambers within the valve body. Instead, it utilizes the rotation of a cylindrical moving valve cylinder to achieve functions such as water softening, backwashing, regeneration, and forward washing, resulting in a simpler valve body structure. Furthermore, during rotation, the outer cylinder of the moving valve cylinder effectively seals unused water guide holes and passage holes under different conditions, eliminating the need for additional sealing valves and saving costs.

[0026] 3. When the present invention is working, water can enter or exit from the first and second external water passages of the outer cylinder at the same time, and water can enter or exit from the first and second internal water passages at the same time. That is, there are two water entry and exit points, resulting in a larger water volume and improving water treatment efficiency. Attached Figure Description

[0027] The above and other objects, features, and advantages of exemplary embodiments of the present invention will become readily apparent upon reading the following detailed description with reference to the accompanying drawings. In the drawings, several embodiments of the invention are illustrated by way of example and not limitation, and like or corresponding reference numerals denote like or corresponding parts, wherein:

[0028] Figure 1 is a three-dimensional structural schematic diagram of Embodiment 1 of the present invention;

[0029] Figure 2 is a two-dimensional structural schematic diagram of Embodiment 1 of the present invention;

[0030] Figure 3 is an overall cross-sectional view of Embodiment 1 of the present invention;

[0031] Figure 4 is a top view of the valve body in Embodiment 1 of the present invention;

[0032] Figure 5 is a three-dimensional schematic diagram of Figure 4;

[0033] Figure 6 is a cross-sectional view of Figure 4;

[0034] Figure 7 is a second sectional view of Figure 4;

[0035] Figure 8 is a three-dimensional structural schematic diagram of the moving valve cylinder in Embodiment 1 of the present invention;

[0036] Figure 9 is a perspective view of the moving valve cylinder of the embodiment 1 of the present application;

[0037] Figure 10 is a sectional view of Figure 8;

[0038] Figure 11 is a sectional view of the moving valve cylinder and the valve body when the moving valve cylinder is in the soft water position of the embodiment 1 of the present application;

[0039] Figure 12 is a sectional view of the moving valve cylinder and the valve body when the moving valve cylinder is in the backwash position of the embodiment 1 of the present application;

[0040] Figure 13 is a sectional view of the moving valve cylinder and the valve body when the moving valve cylinder is in the regeneration position of the embodiment 1 of the present application;

[0041] Figure 14 is a sectional view of the moving valve cylinder and the valve body when the moving valve cylinder is in the forward wash position of the embodiment 1 of the present application;

[0042] Figure 15 is a perspective view of the embodiment 2 of the present application;

[0043] Figure 16 is a perspective view of the valve body of the embodiment 2 of the present application;

[0044] Figure 17 is a sectional view 1 of Figure 16;

[0045] Figure 18 is a sectional view 2 of Figure 16.

[0046] Explanation of the reference numerals in the embodiment 1 : 1, valve body; 2, water inlet; 3, water outlet; 4, first forward / backward wash water outlet; 5, second forward / backward wash water outlet; 6, moving valve cylinder; 7, fixed valve plate; 8, inner cylinder body; 9, outer cylinder body; 10, first outer water passage; 11, second outer water passage; 12, first inner water passage; 13, second inner water passage; 14, water inlet hole; 15, regeneration water inlet hole; 16, regeneration pipe; 17, jet; 18, salt suction hole; 19, regeneration water outlet hole; 20, regeneration water outlet hole; 21, first forward / backward wash water outlet hole; 22, second forward / backward wash water outlet hole; 23, first valve body water passage; 24, second valve body water passage; 25, first water guide hole; 26, second water guide hole; 27, water passage ring channel; 28, first filter core interface; 29, second filter core interface; 30, support beam; 31, sealing ring groove; 32, sealing plate; 33, water guide pipe; 34, inner ring; 35, regeneration water outlet interface; 36, valve outer water passage cavity; 37, water outlet hole; 38, driving mechanism.

[0047] Reference signs in the embodiment 2: 201, valve body; 202, regeneration drainage interface; 203, first backwashing drainage interface; 204, second backwashing drainage interface; 205, first forward washing drainage interface; 206, second forward washing drainage interface; 207, regeneration drainage hole; 208, first backwashing drainage hole; 209, second backwashing drainage hole; 210, first forward washing drainage hole; 211, second forward washing drainage hole; 212, first backwashing guide hole; 213, second backwashing guide hole; 214, first forward washing guide hole; 215, second forward washing guide hole. DETAILED DESCRIPTION

[0048] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and those skilled in the art should know that the embodiments described below are part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0049] The principles and spirits of the present application will be explained in detail below with reference to several representative embodiments of the present application.

[0050] Embodiment 1 of the high-efficiency water treatment device for treating calcium and magnesium ions in water provided by the present application:

[0051] As shown in FIG. 1, FIG. 2 and FIG. 3, the high-efficiency water treatment device for treating calcium and magnesium ions in water comprises a valve body 1, and the side wall of the valve body 1 is provided with a water inlet interface 2, a water outlet interface 3, a regeneration drainage interface 35, a first forward and backwashing drainage interface 4 and a second forward and backwashing drainage interface 5. Among them, the axis of the water inlet interface 2 coincides with the axis of the water outlet interface 3, the first forward and backwashing drainage interface 4 and the second forward and backwashing drainage interface 5 are respectively located on the two sides of the water inlet interface 2, and the first forward and backwashing drainage interface 4 is located at the lower position, and the second forward and backwashing drainage interface 5 is located at the upper position. The regeneration drainage interface 35 is located between the second forward and backwashing drainage interface 5 and the water outlet interface 3, the height of the regeneration drainage interface 35 is consistent with the height of the first forward and backwashing drainage interface 4, and the axes of the two are coplanar. The projection of the axis of the water inlet interface 2, the axis of the regeneration drainage interface 35, the axis of the first forward and backwashing drainage interface 4 and the axis of the second forward and backwashing drainage interface 5 in the up-down direction forms each acute angle of 60°.

[0052] As shown in FIG. 3 and FIG. 4, the valve body 1 has a valve outer water passage 36 and a valve inner cavity coaxially arranged therein, and the bottom of the valve body 1 is provided with a first filter core interface 28 and a second filter core interface 29 coaxially arranged, the first filter core interface 28 is used for connecting with a softening tank body, and the second filter core interface 29 is used for connecting with a central pipe.

[0053] As shown in Fig. 7, the side wall of the valve body 1 is connected with a regenerating pipe 16 between the first forward and reverse washing drainage interface 4 and the water inlet interface 2, the regenerating pipe 16 has an upper and lower separated water flow channel and an installation channel, the regenerating pipe 16 is blocked by a pipe cap, the pipe cap connects the water flow channel and the installation channel. A jet device 17 is fixed in the installation channel, and the regenerating pipe 16 is provided with a salt suction port 18 communicated with the jet device 17. In actual use, the salt suction port 18 is externally connected with an electric valve.

[0054] In the embodiment, as shown in Figs. 5 and 6, the water inlet interface 2 extends to the cavity wall of the valve outer water cavity 36 and forms a water inlet hole 14 on the cavity wall of the valve outer water cavity 36, and the water flow channel extends to the cavity wall of the valve outer water cavity 36 and forms a regenerating water inlet hole 15 on the cavity wall of the valve outer water cavity 36. The water inlet hole 14 and the regenerating water inlet hole 15 are communicated with the valve outer water cavity 36.

[0055] As shown in Fig. 6, the water outlet interface 3 extends to the cavity wall of the valve inner cavity and correspondingly forms a water outlet hole 37 on the cavity wall of the valve inner cavity; the regenerating drainage interface 35 extends to the cavity wall of the valve inner cavity and correspondingly forms a regenerating drainage hole 19 on the cavity wall of the valve inner cavity; the first forward and reverse washing drainage interface 4 extends to the cavity wall of the valve inner cavity and correspondingly forms a first forward and reverse washing drainage hole 21 on the cavity wall of the valve inner cavity; the second forward and reverse washing drainage interface 5 extends to the cavity wall of the valve inner cavity and correspondingly forms a second forward and reverse washing drainage hole 22 on the cavity wall of the valve inner cavity; and the installation channel also extends to the cavity wall of the valve inner cavity and correspondingly forms a regenerating outflow hole 20 on the cavity wall of the valve inner cavity. The cavity wall of the valve inner cavity is provided with a first water guide hole 25 directly above the first forward and reverse washing drainage hole 21, and a second water guide hole 26 directly below the second forward and reverse washing drainage hole 22. The cavity wall of the valve inner cavity is provided with a first valve body water flow hole 23 at a position opposite to the water inlet hole 14, and a second valve body water flow hole 24 below the water outlet hole 37. The first water guide hole 25, the second water guide hole 26, the first valve body water flow hole 23, the second valve body water flow hole 24 and the regenerating water inlet hole 15 are communicated with the valve outer water cavity 36.

[0056] As shown in Fig. 3, the valve inner cavity is rotatably sealed with a valve cylinder 6 in a cylindrical shape, as shown in Figs. 8 and 9, the valve cylinder 6 includes an outer cylinder body 9 and an inner cylinder body 8 supported and connected coaxially and spaced apart inside the outer cylinder body 9, and the top of the inner cylinder body 8 and the outer cylinder body 9 are jointly and sealingly connected with a sealing plate 32 to block the top of the valve cylinder 6. The top of the sealing plate 32 is connected with a driving mechanism 38 to realize the rotation of the valve cylinder 6 through the driving mechanism 38. The driving mechanism 38 is a prior art, which will not be described in detail here.

[0057] The outer cylinder 9 and the inner cylinder 8 form an open downward water passing ring 27, the water passing ring 27 communicates with the first filter core interface 28, and the inner cavity of the inner cylinder 8 communicates with the second filter core interface 29. In the embodiment, as shown in FIG. 3 and FIG. 4, the valve body 1 is provided with a water guide pipe 33 coaxial with the inner cylinder 8, and a plurality of support beams 30 uniformly distributed are integrally formed between the circumferential direction of the water guide pipe 33 and the valve body 1, so as to support and fix the water guide pipe 33 in the valve body 1. The water guide pipe 33 communicates with the inner cylinder 8, and the lower pipe opening of the water guide pipe 33 forms the second filter core interface 29. The inner side of the water guide pipe 33 is integrally formed with an inner ring 34 protruding upward from the water guide pipe 33, and the inner ring 34 is sleeved with an annular valve plate 7, and the valve plate 7 is in supporting contact with the upper end surface of the water guide pipe 33. The valve plate 7 is provided with two groups of clamping feet on the circumference, and two clamping columns corresponding to the two groups of clamping feet are arranged on the two support beams 30. The valve plate 7 is in sealing cooperation with the lower end surface of the inner cylinder 8, which can reduce the wear of the valve cylinder 6. The lower end surface of the inner cylinder 8 is below the lower end surface of the outer cylinder 9, and the outer cylinder 9 is provided with two sealing ring grooves 31 arranged in the circumferential direction and spaced apart in the up-down direction, and a sealing ring is arranged in the sealing ring groove 31 to realize the sealing cooperation with the cavity wall of the valve cavity.

[0058] As shown in FIG. 8, FIG. 9 and FIG. 10, the cylinder wall of the outer cylinder 9 is provided with a first outer water passing hole 10 and a second outer water passing hole 11 communicating with the water passing ring 27, and the connecting part of the outer cylinder 9 and the inner cylinder 8 is provided with a first inner water passing hole 12 and a second inner water passing hole 13 penetrating the cylinder wall of the outer cylinder 9 and the inner cylinder 8, and the first inner water passing hole 12 and the second inner water passing hole 13 both communicate with the inner cavity of the inner cylinder 8; the first inner water passing hole 12 and the second outer water passing hole 11 are located at the same height on the two sides of the valve cylinder 6 in the radial direction, and the second inner water passing hole 13 and the first outer water passing hole 10 are located at the same height on the two sides of the valve cylinder 6 in the radial direction. The first inner water passing hole 12 is located directly above the first outer water passing hole 10, and the second outer water passing hole 11 is located directly above the second inner water passing hole 13. The interval between the first inner water passing hole 12 and the first outer water passing hole 10 is equal to the interval between the second inner water passing hole 13 and the second outer water passing hole 11, the interval between the first water guide hole 25 and the first forward and reverse washing drain hole 21, the interval between the second water guide hole 26 and the second forward and reverse washing drain hole 22, and the interval between the water outlet hole 37 and the second valve body water passing hole 24.

[0059] As shown in Fig. 11, the valve cylinder 6 is in the soft water production position, at this time, the first valve body water passage 23 is communicated with the second outer water passage 11, the first inner water passage 12 is communicated with the water outlet, the outer cylinder 9 blocks the first water guide hole 25, the second backwash water outlet 22 and the second water guide hole 26, the cavity wall of the valve inner cavity blocks the second inner water passage 13, the second valve body water passage 24 is communicated with the water ring channel 27 and the valve outer water passage 36. At this time, raw water enters the valve outer water passage 36 from the water inlet 2, part of the raw water enters the first filter core interface 28 through the second valve body water passage 24 and the water ring channel 27, and part of the raw water enters the first filter core interface 28 through the first valve body water passage 23, the second outer water passage 11 and the water ring channel 27. Both of the two parts of the raw water enter the softening tank body from the first filter core interface 28, and the soft water is produced by removing calcium and magnesium ions through ion exchange resin in the softening tank body, and the soft water flows out from the center tube, enters the inner cylinder 8 directly through the second filter core interface 29, and flows out from the water outlet 3 along the first inner water passage 12 and the water outlet 37.

[0060] As shown in Fig. 12, the valve cylinder 6 is rotated counterclockwise by 60° relative to the soft water production position, and is in the backwash position. At this time, the outer cylinder 9 blocks the first valve body water passage 23, the second valve body water passage 24, the water outlet 37 and the regeneration water outlet 19, the second water guide hole 26 is communicated with the second inner water passage 13, the first water guide hole 25 is communicated with the first inner water passage 12, and the first outer water passage 10 is communicated with the first backwash water outlet 21 and the water ring channel 27. At this time, raw water enters the valve outer water passage 36 from the water inlet 2, part of the raw water enters the inner cylinder 8 through the first water guide hole 25 and the first inner water passage 12, and part of the raw water enters the inner cylinder 8 through the second water guide hole 26 and the second inner water passage 13. The two parts of the water entering the inner cylinder 8 flow into the second filter core interface 29 and flow into the center tube, which backwashes the ion exchange resin. The washed waste water flows into the water ring channel 27 through the first filter core interface 28 in the softening tank body, part of which flows through the first outer water passage 10 and the first backwash water outlet 21, and finally flows out from the first backwash water outlet 4; part of which flows through the second outer water passage 11 and the second backwash water outlet 22, and finally flows out from the second backwash water outlet 5.

[0061] As shown in Fig. 13, the moving valve cylinder 6 is rotated 60° counterclockwise relative to its backwashing position, and is in the regeneration position. At this time, the outer cylinder 9 blocks the first valve body water passage 23, the second valve body water passage 24, the water outlet hole 37, the first water guide hole 25, the first forward and backward washing drain hole 21, and the second forward and backward washing drain hole 22, the second outer water passage 11 and the first inner water passage 12 are blocked by the cavity wall of the valve inner cavity, and the regeneration outlet hole 20 is communicated with the first outer water passage 10 and the water passage ring channel 27. At this time, raw water enters the valve outer water passage cavity from the water inlet hole 14 of the water inlet interface 2, and enters the water passage channel from the regeneration water inlet hole 15 and flows to the jet 17. The valve at the salt suction port 18 is opened, the jet 17 sucks salt from the salt suction port 18, and the salt water enters the water passage ring channel 27 along the first outer water passage 10 from the regeneration outlet hole 20, and then flows into the softening tank body from the first filter core interface 28. The regenerated waste water enters the inner cylinder 8 along the central pipe and the second filter core interface 29, and then flows along the second inner water passage 13 and the regeneration drain hole 19 in turn, and finally flows out from the regeneration drain interface 35.

[0062] As shown in Fig. 14, the moving valve cylinder 6 is rotated 120° counterclockwise relative to its regeneration position, and is in the forward washing position. At this time, the outer cylinder 9 blocks the first valve body water passage 23, the second valve body water passage 24, and the regeneration drain hole 19, the first water guide hole 25 is communicated with the second outer water passage 11, the second water guide hole 26 is communicated with the first outer water passage 10, the first inner water passage 12 is communicated with the second forward and backward washing drain hole 22, and the second inner water passage 13 is communicated with the first forward and backward washing drain hole 21. At this time, raw water enters the valve outer water passage cavity 36 from the water inlet hole 14 of the water inlet interface 2, part of which enters the water passage ring channel 27 along the first water guide hole 25 and the second outer water passage 11, and part of which enters the water passage ring channel 27 along the second water guide hole 26 and the first outer water passage 10. The two parts of water flow into the softening tank body through the first filter core interface 28, and perform forward washing on the ion exchange resin. The forward washed waste water enters the inner cavity of the inner cylinder 8 from the central pipe and the second filter core interface 29, part of which flows along the first inner water passage 12 and the second forward and backward washing drain hole 22, and finally flows out from the second forward and backward washing drain interface 5, and part of which flows along the second inner water passage 13 and the first forward and backward washing drain hole 21, and finally flows out from the first forward and backward washing drain interface 4.

[0063] The moving valve cylinder 6 is rotated 120° counterclockwise relative to its forward washing position, and returns to the original position (soft water making position).

[0064] It should be noted that during forward washing and backwashing, only one of the forward and backward washing drain interfaces can be used, or both of the forward and backward washing drain interfaces can be used simultaneously. During soft water making, forward washing and backwashing, the valve at the salt suction port 18 can be opened to supplement the salt tank.

[0065] The application adopts a valve body 1, and does not need to set multiple chambers in the valve body 1, and can realize soft water preparation, backwashing, regeneration, forward washing and salt tank water supplementing functions by cooperation between the movable valve cylinder 6 and the valve inner cavity, so that the structure of the valve body 1 is simplified, and there is no structural obstruction between the inner cylinder body 8 and the second filter core interface 29, so that the effective water passing area of the second filter core interface 29 can be fully utilized to maximize the water passing flow.

[0066] Embodiment 2 of the high-efficiency water treatment device for treating calcium and magnesium ions in water provided by the application:

[0067] Compared with the above-mentioned embodiment 1, the structure of the movable valve cylinder is unchanged, and the structure of the valve body is changed. In the embodiment 1, three water drainage interfaces are arranged on the side wall of the valve body 1, which are a regeneration water drainage interface 35, a first forward and backwashing water drainage interface 4 and a second forward and backwashing water drainage interface 5. In the embodiment, as shown in FIG. 15 and FIG. 16, five water drainage interfaces are arranged on the side wall of the valve body 201, which are a regeneration water drainage interface 202, a first backwashing water drainage interface 203, a second backwashing water drainage interface 204, a first forward washing water drainage interface 205 and a second forward washing water drainage interface 206.

[0068] The axes of the water inlet interface 2 and the water outlet interface 3 still coincide. In the embodiment, the first backwashing water drainage interface 203, the first forward washing water drainage interface 205 and the regeneration water drainage interface 202 are located on one side of the water inlet interface and the water outlet interface, the regeneration water drainage interface 202 is located between the first backwashing water drainage interface 203 and the first forward washing water drainage interface 205; the second forward washing water drainage interface 206 and the second backwashing water drainage interface 204 are located on the other side of the water inlet interface 2 and the water outlet interface 3, and the regeneration pipe is located between the second backwashing water drainage interface 204 and the second forward washing water drainage interface 206.

[0069] The first backwashing water drainage interface 203 and the second forward washing water drainage interface 206 are located on both sides of the water inlet interface, the first backwashing water drainage interface 203, the second forward washing water drainage interface 206, the water inlet interface and the water outlet interface are located at the same height position of the valve body 201, and the axis of the first backwashing water drainage interface 203, the axis of the second forward washing water drainage interface 206, the axis of the water inlet interface and the axis of the water outlet interface are coplanar. The first forward washing water drainage interface 205 and the second backwashing water drainage interface 204 are located on both sides of the water outlet interface, the first forward washing water drainage interface 205, the second backwashing water drainage interface 204 and the regeneration water drainage interface 202 are located at the same height position of the valve body 201, and the axis of the first forward washing water drainage interface 205, the axis of the second backwashing water drainage interface 204 and the axis of the regeneration water drainage interface 202 are coplanar.

[0070] As shown in FIG. 17 and FIG. 18, the regeneration drainage interface 202, the first backwashing drainage interface 203, the second backwashing drainage interface 204, the first forward washing drainage interface 205 and the second forward washing drainage interface 206 all extend to the cavity wall of the valve inner cavity and correspondingly form the regeneration drainage hole 207, the first backwashing drainage hole 208, the second backwashing drainage hole 209, the first forward washing drainage hole 210 and the second forward washing drainage hole 211 on the cavity wall of the valve inner cavity. The first backwashing water guide hole 212 is arranged right below the first backwashing drainage hole 208, the second backwashing water guide hole 213 is arranged right above the second backwashing drainage hole 209, the first forward washing water guide hole 214 is arranged right above the first forward washing drainage hole 210, and the second forward washing water guide hole 215 is arranged right below the second forward washing drainage hole 211 on the cavity wall of the valve inner cavity. The first backwashing water guide hole 212, the second backwashing water guide hole 213, the first forward washing water guide hole 214 and the second forward washing water guide hole 215 all communicate with the water passing cavity of the valve.

[0071] The difference between the embodiment and the above-mentioned embodiment 1 is that the angle of the rotating of the valve cylinder when entering different state positions is different. In the embodiment, the valve cylinder is in the backwashing position after rotating 40° counterclockwise relative to the soft water making position of the valve cylinder, the valve cylinder is in the regeneration position after rotating 40° counterclockwise relative to the backwashing position of the valve cylinder, and the valve cylinder is in the forward washing position after continuing to rotate 40° counterclockwise relative to the regeneration position of the valve cylinder. That is, the valve cylinder only needs to rotate on the same side of the water inlet interface and the water outlet interface to realize the backwashing, regeneration and forward washing functions.

[0072] In the embodiment, the flow path process of the raw water when the valve cylinder is in different positions is not described in detail. The difference between the embodiment and the above-mentioned embodiment 1 is that the waste water after backwashing is discharged from the first backwashing drainage interface 203 and the second backwashing drainage interface 204 when the valve cylinder is in the backwashing position, and the waste water after forward washing is discharged from the first forward washing drainage interface 205 and the second forward washing drainage interface 206 when the valve cylinder is in the forward washing position.

[0073] In addition, it should be noted that in the actual processing process, the number of drainage interfaces can be reasonably set according to the needs and the size of the valve body, and is not limited to the five drainage interfaces in embodiment 2 and the three drainage interfaces in embodiment 1.

[0074] The embodiment 3 of the high-efficiency water treatment device for treating calcium and magnesium ions in water provided by the application:

[0075] The difference between the embodiment and the above-mentioned embodiment 1 is that the lower end surface of the inner cylinder body is flush with the lower end surface of the outer cylinder body in the embodiment.

[0076] The above merely preferred embodiments of the present application are not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application

Claims

1. A high-efficiency water treatment device for treating calcium and magnesium ions in water, comprising a valve body, a water inlet interface, a water outlet interface and a drain interface being arranged on the side wall of the valve body, the valve body having a valve outer water passage and a valve inner cavity arranged coaxially inside, the bottom of the valve body being provided with a first filter core interface and a second filter core interface arranged coaxially, the first filter core interface being used for connecting with a softening tank body, and the second filter core interface being used for connecting with a central pipe; characterized in that the drain interface comprises a regeneration drain interface and at least one forward and reverse washing drain interface; the valve body is connected with a regeneration pipe, the regeneration pipe having at least a water passage flow channel and a mounting flow channel in communication with each other, a jet flow device being fixed in the mounting flow channel, and the regeneration pipe being provided with a salt suction port in communication with the jet flow device; the water inlet interface and the water passage flow channel both extend to the cavity wall of the valve outer water passage and correspondingly form a water inlet hole and a regeneration water inlet hole on the cavity wall of the valve outer water passage respectively; the water outlet interface, the regeneration drain interface, the forward and reverse washing drain interface and the mounting flow channel all extend to the cavity wall of the valve inner cavity and correspondingly form a water outlet hole, a regeneration drain hole, a forward and reverse washing drain hole and a regeneration flow-out hole on the cavity wall of the valve inner cavity respectively; the cavity wall of the valve inner cavity is provided with a water guide hole arranged in an upper and lower interval with the forward and reverse washing drain hole at a position corresponding to the forward and reverse washing drain hole, a first valve body water passage is arranged on the cavity wall of the valve inner cavity at a position corresponding to the water inlet hole, and a second valve body water passage is arranged on the cavity wall of the valve inner cavity in an upper and lower interval with the water outlet hole at a position corresponding to the water outlet hole; the water guide hole, the first valve body water passage, the second valve body water passage and the regeneration water inlet hole are all in communication with the valve outer water passage; a dynamic valve cylinder in a cylindrical shape is assembled in the valve inner cavity in a rotating sealing manner, the top of the dynamic valve cylinder is blocked, comprising an outer cylinder body and an inner cylinder body supported and connected coaxially inside the outer cylinder body, an open downward water passage ring is formed between the outer cylinder body and the inner cylinder body, the water passage ring is in communication with the first filter core interface, the inner cavity of the inner cylinder body is in communication with the second filter core interface in an upper and lower interval, the cylinder wall of the outer cylinder body is provided with a first outer water passage and a second outer water passage in communication with the water passage ring, the connecting part of the outer cylinder body and the inner cylinder body is provided with a first inner water passage and a second inner water passage penetrating the cylinder wall of the outer cylinder body and the inner cylinder body, the first inner water passage and the second inner water passage are both in communication with the inner cavity of the inner cylinder body, the first inner water passage and the first outer water passage are arranged in an upper and lower interval, and the second outer water passage and the second inner water passage are arranged in an upper and lower interval.

2. The high efficiency water treatment device for treating calcium and magnesium ions in water according to claim 1, characterized by, The forward and reverse washing drain interface is provided with two, the axis of the water inlet interface and the water outlet interface coincides, the two forward and reverse washing drain interfaces are respectively located on both sides of the water inlet interface, the regeneration pipe and the regeneration drain port are respectively located on both sides of the water inlet interface, and the axes of the two forward and reverse washing drain interfaces are arranged in an upper and lower interval in parallel.

3. The high efficiency water treatment device for treating calcium and magnesium ions in water according to claim 2, characterized by, The projection of the axis of the water inlet interface, the axis of the regeneration drain interface and the axes of the two forward and reverse washing drain interfaces in the upper and lower direction forms an acute angle of 60°.

4. The high efficiency water treatment device for treating calcium and magnesium ions in water according to claim 1, characterized by, The four backwash and forward wash drainage interfaces are provided, the axes of the water inlet interface and the water outlet interface coincide, among the four backwash and forward wash drainage interfaces, two backwash and forward wash drainage interfaces are located on both sides of the water inlet interface and the axes of the two backwash and forward wash drainage interfaces are coplanar with the axis of the water inlet interface, and the other two backwash and forward wash drainage interfaces are located on both sides of the water outlet interface and the axes of the two backwash and forward wash drainage interfaces are coplanar with the axis of the regeneration drainage interface, the regeneration drainage interface and the regeneration pipe are respectively located on both sides of the water inlet interface, and the movable valve cylinder rotates on the same side of the water inlet interface and the water outlet interface to realize the backwash, regeneration and forward wash functions.

5. The high efficiency water treatment device for treating calcium and magnesium ions in water according to any one of claims 1 to 4, characterized by, The valve body is internally provided with a water guide pipe coaxially arranged with the valve cavity, the water guide pipe is through-penetrated on the upper and lower sides of the inner cylinder body, a plurality of support beams are integrally formed between the circumferential direction of the water guide pipe and the valve body, and the lower pipe opening of the water guide pipe forms the second filter core interface; the upper end of the water guide pipe is fixed with an annular valve plate, and the valve plate is sealingly matched with the lower end surface of the inner cylinder body.

6. The high efficiency water treatment device for treating calcium and magnesium ions in water according to claim 5, wherein The inner side of the water guide pipe is integrally formed with an inner ring protruding upward of the water guide pipe, the valve plate is sleeved outside the inner ring, the valve plate is in supporting contact with the upper end surface of the water guide pipe and is in clamping engagement with the corresponding support beam.

7. The high efficiency water treatment device for treating calcium and magnesium ions in water according to any one of claims 1 to 4, characterized by, The first inner water passing hole and the second outer water passing hole are located at the same height on the radial sides of the movable valve cylinder, and the second inner water passing hole and the first outer water passing hole are located at the same height on the radial sides of the movable valve cylinder; the first inner water passing hole is located above the first outer water passing hole, and the second outer water passing hole is located above the second inner water passing hole.

8. The high efficiency water treatment device for treating calcium and magnesium ions in water according to claim 7, characterized by, The lower end surface of the inner cylinder body is located below the lower end surface of the outer cylinder body.

9. The high efficiency water treatment device for treating calcium and magnesium ions in water according to claim 8, wherein The outer cylinder body is provided with a sealing ring groove in the circumferential direction, a sealing ring is installed in the sealing ring groove, and at least two sealing ring grooves are spaced apart along the axis direction of the outer cylinder body.

10. The high efficiency water treatment device for treating calcium and magnesium ions in water according to claim 7, wherein The top portions of the inner cylinder body and the outer cylinder body are sealingly connected with a cover plate.

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