360-degree plane water softening and regeneration method
Patent Information
- Application Number
- CN202610779693.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-06-02
- Publication Date
- 2026-08-21
AI Technical Summary
[0030]有鉴于此,本发明提供360度平面布水的软水机高效软化与再生方法,以解决或缓解现有技术中存在的技术问题,至少提供一种有益的选择
[0089]一、本发明通过360度平面布水,水流不再集中从少数区域穿透树脂床,能够有效降低偏流和沟流现象,树脂床横截面各区域受流更均匀,树脂交换前沿更平整,等效工作容量提高,整床反洗覆盖更充分,可减少板结区、沉积区和死区的形成。
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Figure CN122608148A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of water softening equipment technology, specifically to a method for efficient softening and regeneration of water softeners with 360-degree planar water distribution. Background Technology
[0002] Water softeners typically use ion exchange resins to remove calcium and magnesium ions from raw water to reduce hardness and scale formation. The efficiency of the resin bed depends not only on the exchange performance of the resin itself, but also on the uniformity of the flow of raw water, regenerated solution, and flushing solution in the resin bed.
[0003] In existing technologies, many water softeners still employ relatively simple center-point water inlet, localized flow diversion, or unidirectional centralized water distribution structures. While these can meet basic softening requirements, they are prone to the following problems in actual use:
[0004] 1. Uneven water distribution can easily lead to uneven flow and channeling in the resin bed.
[0005] Traditional water distribution structures often cause water to flow into the resin bed from the central area or local orifices, resulting in uneven distribution of fluid across the resin bed cross-section and the formation of local high-speed channels.
[0006] This type of flow deviation will result in:
[0007] Excessive local application of resin;
[0008] In some areas, resin has been underutilized for a long time.
[0009] The actual effective exchange volume decreases;
[0010] The hardness of the output water fluctuates ahead of schedule.
[0011] 2. Uneven penetration of the regenerated solution, resulting in insufficient resin regeneration.
[0012] During the regeneration stage, if the brine still enters the resin bed through a localized inlet method, it will preferentially permeate along the low-resistance path, forming a "salt short circuit" phenomenon.
[0013] turn out:
[0014] Some resin particles came into excessive contact with the salt solution;
[0015] In some areas, the brine coverage is insufficient;
[0016] The degree of resin recovery is inconsistent;
[0017] The softening ability is unstable after regeneration.
[0018] 3. The backwashing blind zone is obvious, and the resin bed is prone to caking.
[0019] The core purpose of backwashing is to loosen and expand the resin bed and remove impurities. If the water distribution at the bottom or top is uneven, the resin bed will be fully dispersed in some areas while remaining almost stagnant in others, leading to hardening, dead zones, and increased pressure drop over time.
[0020] 4. Low utilization rates of water, salt, and resin.
[0021] Due to flow deviation, short circuits, and partial failures, traditional water softeners often have to:
[0022] Premature regeneration;
[0023] Use more salt solution;
[0024] Extend regeneration time;
[0025] Increase the amount of flushing water;
[0026] This will directly increase the cost of use.
[0027] 5. Existing control methods focus more on program switching and less on optimizing the flow field uniformity itself.
[0028] While considerable technological attention has been paid to control valve programs, metering regeneration, and non-electric drive technologies, insufficient focus has been placed on "how the resin bed can be truly and uniformly utilized across its cross-section." This is particularly true in compact household water softeners, where space constraints often lead to simplified water distribution structures, resulting in a gap between the nominal capacity and the actual effective capacity of the equipment.
[0029] Based on existing product manuals and structural displays, it can be seen that water softeners have already achieved a relatively mature foundation in terms of control heads, valve bodies, brine valves, bypasses, and residual hardness adjustment. If we further focus on the resin bed water distribution method and improve the uniformity of the flow field through 360-degree planar water distribution, it is expected to significantly improve softening efficiency and regeneration quality. Therefore, a high-efficiency softening and regeneration method for water softeners with 360-degree planar water distribution is proposed. Summary of the Invention
[0030] In view of this, the present invention provides a highly efficient softening and regeneration method for a water softener with 360-degree planar water distribution, in order to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial alternative.
[0031] The technical solution of this invention is implemented as follows: a highly efficient softening and regeneration method for a water softener with 360-degree planar water distribution, comprising the following steps:
[0032] S1. After the raw water enters the control head of the water softener, it first enters the 360-degree planar water distribution structure for circumferential pressure equalization and circumferential distribution, and then enters the resin bed for ion exchange softening.
[0033] S2. During the service phase, the raw water is made to form a basically uniform planar water distribution flow field along the cross-section of the resin bed through the upper or lower 360-degree planar water distribution components, so as to reduce local high-speed flow deviation and resin dead zone.
[0034] S3. After softening to the preset exchange capacity or preset operating conditions, the regeneration process is triggered, and the fluid channel is switched.
[0035] S4. Enter the backwashing stage, so that the backwash water is spread in the opposite direction through the 360-degree planar water distribution structure and enters the resin bed to uniformly loosen, suspend and desorb impurities from the resin bed.
[0036] S5. Enter the brine introduction stage, so that the regenerated brine can be evenly penetrated into the cross-sectional area of the resin bed through the 360-degree planar water distribution structure to improve the uniformity of resin regeneration contact.
[0037] S6. Enter the slow washing stage, so that the low-speed water flow can drive the brine to migrate evenly along the height and cross-sectional direction of the resin bed, and complete the restoration of resin exchange sites.
[0038] S7. Enter the quick wash stage, where the washing water is used to rinse the entire resin bed through a 360-degree planar water distribution structure to remove residual salt solution and by-products.
[0039] S8. Enter the reset phase to restore the service flow path of the water softener, and continue to stabilize the resin bed through the planar water distribution structure in the early stage of restoration.
[0040] S9. When compensating for water mixing by adjusting the residual hardness of the effluent, a stable effluent distribution is maintained simultaneously under a 360-degree planar water distribution state.
[0041] S10. Under conditions of initial commissioning, long-term shutdown and reuse, low-pressure operation or high-hardness operation, make adaptive adjustments to the planar water distribution flow rate and the throttling parameters during the regeneration stage.
[0042] More preferably, the 360-degree planar water distribution structure includes at least one or more of the following components:
[0043] Annular main water distribution cavity;
[0044] Water outlet gaps are evenly distributed around the circumference;
[0045] Radial diversion ribs;
[0046] Planar porous guide plate;
[0047] Concentric flow regions;
[0048] Voltage-stabilizing buffer chamber;
[0049] Anti-erosion diffusion surface;
[0050] In this process, the raw water or regenerated liquid is distributed into multiple equivalent flow paths in the circumferential direction after passing through the annular main water distribution cavity. Then, it is distributed into a 360-degree planar water distribution through the planar porous guide plate or the circumferentially distributed water outlet gaps to reduce the concentrated impact of the inflow.
[0051] More preferably, the planar water distribution flow field control objective in step S2 includes at least one or more of the following:
[0052] The flow velocity across the resin bed cross section is made uniform;
[0053] The local pressure drop difference in the resin bed decreases;
[0054] Suppression of channeling effect;
[0055] The resin layer exchange front is smoothed;
[0056] Increased effective volume utilization of resin;
[0057] Furthermore, by adjusting the height of the annular water distribution chamber, the width of the water outlet gap, the density of the guide plate openings, the number of radial diversion ribs, and the size of the throttling zone, a relatively uniform planar water distribution effect can be maintained under different resin filling amounts and different flow rates.
[0058] More preferably, the backwashing stage in step S4 achieves full-section reverse expansion of the resin bed through a 360-degree planar water distribution structure, and the backwashing stage includes at least:
[0059] Reverse water inlet pressure is equalized through the annular guide cavity;
[0060] The resin enters the bottom or top of the resin bed through multiple evenly distributed outlets in a circumferential direction;
[0061] This ensures that the resin particles are uniformly stressed and expand synchronously within the cross-sectional area of the bed;
[0062] Sediments, suspended impurities, and fine particles are removed along the drainage path;
[0063] This reduces the problems of resin caking, insufficient local fluidization, and backwashing blind zones caused by traditional local backwashing.
[0064] More preferably, the saline solution introduction stage in step S5 adopts a 360-degree planar permeation introduction mode, specifically including:
[0065] The brine solution first enters the pressure equalization and diversion chamber;
[0066] It is then evenly distributed circumferentially into the surface or bottom layer of the resin bed;
[0067] Multiple points of simultaneous infiltration are formed along the cross-sectional direction;
[0068] Avoid localized high-concentration saline solutions preferentially penetrating and forming short-circuit channels;
[0069] This improves the uniformity of contact between the salt solution and resin particles, reducing local over-regeneration and under-regeneration phenomena.
[0070] More preferably, in steps S6 and S7, the slow wash stage and the fast wash stage employ staged throttling control, and the control basis includes at least one or more of the following:
[0071] Raw water hardness;
[0072] Resin filling height;
[0073] Resin particle size;
[0074] Planar water distribution porosity;
[0075] Inlet water pressure;
[0076] Rated flow rate of the equipment;
[0077] In the slow washing stage, priority is given to controlling the uniformity of salt solution migration, while in the fast washing stage, priority is given to controlling the residual salt solution removal efficiency and the stability of resin bed repositioning.
[0078] More preferably, in steps S8 and S9, during the initial water output stage after the water softener resumes service, the resin bed is further stabilized and regulated by a 360-degree planar water distribution structure to reduce the hardness fluctuation of the initial output water after regeneration.
[0079] When the system is equipped with a residual hardness adjustment structure, the bypass raw water and softened water are mixed twice before entering the outlet channel, and then flow out evenly through the aforementioned planar water distribution to avoid local uneven mixing that could cause fluctuations in the hardness of the outlet water.
[0080] More preferably, in the case of initial commissioning or shutdown reuse, step S10 includes:
[0081] Check that the planar water distribution components are installed correctly;
[0082] Check that the brine valve, brine pipe, drain pipe, and flow channel are unobstructed;
[0083] Add regenerated salt to the salt tank to form the initial brine solution;
[0084] Trigger a complete regeneration process to establish a uniformly wetted resin bed and a stable water distribution state;
[0085] Under low-pressure conditions, the risk of insufficient planar water distribution is compensated by reducing throttling losses or extending the regeneration stage duration.
[0086] More preferably, the method is applicable to single-column water softeners or dual-column water softeners;
[0087] When used in a dual-column water softener, during the switching process of one column serving and the other column regenerating, both the serving column and the regenerating column adopt a 360-degree planar water distribution structure. In the initial stage of module switching, a short-term flow stabilization phase is used to weaken the switching impact and improve the stability of continuous water supply.
[0088] The embodiments of the present invention have the following advantages due to the adoption of the above technical solutions:
[0089] I. This invention uses 360-degree planar water distribution, so that the water flow no longer concentrates and penetrates the resin bed from a few areas. This can effectively reduce the phenomena of biased flow and channeling. The flow is more uniform in all areas of the resin bed cross-section, the resin exchange front is flatter, the equivalent working capacity is increased, and the backwashing coverage of the whole bed is more sufficient, which can reduce the formation of caking zones, sedimentation zones and dead zones.
[0090] Second, the contact between the brine and resin particles in this invention is more uniform, which can reduce local excessive salt use under the same regeneration target, improve brine utilization efficiency, reduce the initial hardness fluctuation of the effluent after regeneration, and make the softened water quality more stable throughout the overall operation cycle. Due to the improved regeneration uniformity, unnecessary regeneration redundancy time can be shortened, and the consumption of rinsing water and brine can be reduced.
[0091] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description
[0092] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0093] Figure 1 This is the overall flowchart of the present invention;
[0094] Figure 2 This is a schematic diagram illustrating the 360-degree planar water distribution principle of the present invention;
[0095] Figure 3 This is a schematic diagram of the flow field organization during the regeneration stage of this invention. Detailed Implementation
[0096] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of the invention. Therefore, the drawings and description are considered to be exemplary in nature and not restrictive.
[0097] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
[0098] like Figure 1-3 As shown, this embodiment of the invention provides a highly efficient softening and regeneration method for a water softener with 360-degree planar water distribution, comprising the following steps:
[0099] S1. After the raw water enters the control head of the water softener, it first enters the 360-degree planar water distribution structure for circumferential pressure equalization and circumferential distribution, and then enters the resin bed for ion exchange softening.
[0100] S2. During the service phase, the raw water is made to form a basically uniform planar water distribution flow field along the cross-section of the resin bed through the upper or lower 360-degree planar water distribution components, so as to reduce local high-speed flow deviation and resin dead zone.
[0101] S3. After softening to the preset exchange capacity or preset operating conditions, the regeneration process is triggered, and the fluid channel is switched.
[0102] S4. Enter the backwashing stage, so that the backwash water is spread in the opposite direction through the 360-degree planar water distribution structure and enters the resin bed to uniformly loosen, suspend and desorb impurities from the resin bed.
[0103] S5. Enter the brine introduction stage, so that the regenerated brine can be evenly penetrated into the cross-sectional area of the resin bed through the 360-degree planar water distribution structure to improve the uniformity of resin regeneration contact.
[0104] S6. Enter the slow washing stage, so that the low-speed water flow can drive the brine to migrate evenly along the height and cross-sectional direction of the resin bed, and complete the restoration of resin exchange sites.
[0105] S7. Enter the quick wash stage, where the washing water is used to rinse the entire resin bed through a 360-degree planar water distribution structure to remove residual salt solution and by-products.
[0106] S8. Enter the reset phase to restore the service flow path of the water softener, and continue to stabilize the resin bed through the planar water distribution structure in the early stage of restoration.
[0107] S9. When compensating for water mixing by adjusting the residual hardness of the effluent, a stable effluent distribution is maintained simultaneously under a 360-degree planar water distribution state.
[0108] S10. Under conditions of initial commissioning, long-term shutdown and reuse, low-pressure operation or high-hardness operation, make adaptive adjustments to the planar water distribution flow rate and the throttling parameters during the regeneration stage.
[0109] In one embodiment, the 360-degree planar water distribution structure includes at least one or more of the following components:
[0110] Annular main water distribution cavity;
[0111] Water outlet gaps are evenly distributed around the circumference;
[0112] Radial diversion ribs;
[0113] Planar porous guide plate;
[0114] Concentric flow regions;
[0115] Voltage-stabilizing buffer chamber;
[0116] Anti-erosion diffusion surface;
[0117] In this process, the raw water or regenerated liquid is distributed into multiple equivalent flow paths in the circumferential direction after passing through the annular main water distribution chamber. Then, it is distributed into a 360-degree planar water distribution through a planar porous guide plate or circumferentially distributed water outlet gaps to reduce the concentrated impact of the inflow.
[0118] In one embodiment, the planar water distribution flow field control objective in step S2 includes at least one or more of the following:
[0119] The flow velocity across the resin bed cross section is made uniform;
[0120] The local pressure drop difference in the resin bed decreases;
[0121] Suppression of channeling effect;
[0122] The resin layer exchange front is smoothed;
[0123] Increased effective volume utilization of resin;
[0124] Furthermore, by adjusting the height of the annular water distribution chamber, the width of the water outlet gap, the density of the guide plate openings, the number of radial diversion ribs, and the size of the throttling zone, a relatively uniform planar water distribution effect can be maintained under different resin filling amounts and different flow rates.
[0125] In one embodiment, the backwashing stage in step S4 achieves full-section reverse expansion of the resin bed through a 360-degree planar water distribution structure, and the backwashing stage includes at least:
[0126] Reverse water inlet pressure is equalized through the annular guide cavity;
[0127] The resin enters the bottom or top of the resin bed through multiple evenly distributed outlets in a circumferential direction;
[0128] This ensures that the resin particles are uniformly stressed and expand synchronously within the cross-sectional area of the bed;
[0129] Sediments, suspended impurities, and fine particles are removed along the drainage path;
[0130] This reduces the problems of resin caking, insufficient local fluidization, and backwashing blind zones caused by traditional local backwashing.
[0131] In one embodiment, the saline solution introduction stage in step S5 adopts a 360-degree planar permeation introduction mode, specifically including:
[0132] The brine solution first enters the pressure equalization and diversion chamber;
[0133] It is then evenly distributed circumferentially into the surface or bottom layer of the resin bed;
[0134] Multiple points of simultaneous infiltration are formed along the cross-sectional direction;
[0135] Avoid localized high-concentration saline solutions preferentially penetrating and forming short-circuit channels;
[0136] This improves the uniformity of contact between the salt solution and resin particles, reducing local over-regeneration and under-regeneration phenomena.
[0137] In one embodiment, in steps S6 and S7, the slow wash phase and the fast wash phase employ staged throttling control, and the control basis includes at least one or more of the following:
[0138] Raw water hardness;
[0139] Resin filling height;
[0140] Resin particle size;
[0141] Planar water distribution porosity;
[0142] Inlet water pressure;
[0143] Rated flow rate of the equipment;
[0144] In the slow washing stage, priority is given to controlling the uniformity of salt solution migration, while in the fast washing stage, priority is given to controlling the residual salt solution removal efficiency and the stability of resin bed repositioning.
[0145] In one embodiment, in steps S8 and S9, during the initial water output stage after the water softener resumes service, the resin bed is stabilized and adjusted using a 360-degree planar water distribution structure to reduce the hardness fluctuation of the initial output water after regeneration.
[0146] When the system is equipped with a residual hardness adjustment structure, the bypass raw water and softened water are mixed twice before entering the outlet channel, and then flow out evenly through the aforementioned planar water distribution to avoid local uneven mixing that could cause fluctuations in the hardness of the outlet water.
[0147] In one embodiment, during initial commissioning or shutdown reuse, step S10 includes:
[0148] Check that the planar water distribution components are installed correctly;
[0149] Check that the brine valve, brine pipe, drain pipe, and flow channel are unobstructed;
[0150] Add regenerated salt to the salt tank to form the initial brine solution;
[0151] Trigger a complete regeneration process to establish a uniformly wetted resin bed and a stable water distribution state;
[0152] Under low-pressure conditions, the risk of insufficient planar water distribution is compensated by reducing throttling losses or extending the regeneration stage duration.
[0153] In one embodiment, the method is applicable to a single-column water softener or a dual-column water softener;
[0154] When used in a dual-column water softener, during the switching process of one column serving and the other column regenerating, both the serving column and the regenerating column adopt a 360-degree planar water distribution structure. In the initial stage of module switching, a short-term flow stabilization phase is used to weaken the switching impact and improve the stability of continuous water supply.
[0155] Example 1: 360-degree planar water distribution softening method for household single-column water softeners
[0156] 1. Structural foundation
[0157] The water softener in this embodiment includes:
[0158] Control head;
[0159] Valve body;
[0160] Single-column resin container;
[0161] Upper 360-degree planar water distribution plate;
[0162] Lower water collection / backwashing plane water distribution component;
[0163] Salt box;
[0164] Venturi brine suction assembly;
[0165] Drainage components;
[0166] Residual hardness adjustment component.
[0167] 2. Service Phase
[0168] Raw water enters the annular pressure equalization chamber through the control head.
[0169] Within the annular pressure equalization chamber, the pressure tends to be uniform along the circumference, and then enters the planar guide plate through multiple sets of evenly distributed pores.
[0170] The guide plate diffuses the incoming water into a near-planar flow field before sending it into the resin layer.
[0171] 3. Effects
[0172] Compared with the traditional center point inflow, the top of the resin layer no longer forms obvious scouring pits and local high-speed channels, and the working exchange zone of the entire bed is more uniform.
[0173] Example 2: Resin bed re-loosening method using 360-degree planar backwashing
[0174] 1. Background
[0175] After long-term operation, the resin bed of a traditional water softener tends to harden at the bottom, making it difficult to backwash if only localized backflow occurs, thus hindering the backwashing process in certain areas.
[0176] 2. Methods
[0177] During backwashing, backwash water is introduced from the 360-degree planar water distribution device at the bottom of the resin bed.
[0178] This water distribution component includes:
[0179] Annular bottom guide cavity;
[0180] Multiple outlets evenly distributed in the circumferential direction;
[0181] Diffusion-type planar support plate.
[0182] The water flows up simultaneously from multiple outlets, resulting in more uniform stress on the resin particles.
[0183] 3. Effects
[0184] The resin bed expands more uniformly, and fine impurities and deposited particles are more easily carried out, reducing the risk of caking.
[0185] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in the present invention, and these should all be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.
Claims
A highly efficient water softening and regeneration method for a 1.360-degree planar water distribution water softener, characterized by: Includes the following steps: S1. After the raw water enters the control head of the water softener, it first enters the 360-degree planar water distribution structure for circumferential pressure equalization and circumferential distribution, and then enters the resin bed for ion exchange softening. S2. During the service phase, the raw water is made to form a basically uniform planar water distribution flow field along the cross-section of the resin bed through the upper or lower 360-degree planar water distribution components, so as to reduce local high-speed flow deviation and resin dead zone. S3. After softening to the preset exchange capacity or preset operating conditions, the regeneration process is triggered, and the fluid channel is switched. S4. Enter the backwashing stage, so that the backwash water is spread in the opposite direction through the 360-degree planar water distribution structure and enters the resin bed to uniformly loosen, suspend and desorb impurities from the resin bed. S5. Enter the brine introduction stage, so that the regenerated brine can be evenly penetrated into the cross-sectional area of the resin bed through the 360-degree planar water distribution structure to improve the uniformity of resin regeneration contact. S6. Enter the slow washing stage, so that the low-speed water flow can drive the brine to migrate evenly along the height and cross-sectional direction of the resin bed, and complete the restoration of resin exchange sites. S7. Enter the quick wash stage, where the washing water is used to rinse the entire resin bed through a 360-degree planar water distribution structure to remove residual salt solution and by-products. S8. Enter the reset phase to restore the service flow path of the water softener, and continue to stabilize the resin bed through the planar water distribution structure in the early stage of restoration. S9. When compensating for water mixing by adjusting the residual hardness of the effluent, a stable effluent distribution is maintained simultaneously under a 360-degree planar water distribution state. S10. Under conditions of initial commissioning, long-term shutdown and reuse, low-pressure operation or high-hardness operation, make adaptive adjustments to the planar water distribution flow rate and the throttling parameters during the regeneration stage.
2. The efficient softening and regeneration method of a water softener with 360-degree planar water distribution according to claim 1, characterized in that: The 360-degree planar water distribution structure includes at least one or more of the following components: Annular main water distribution cavity; Water outlet gaps are evenly distributed around the circumference; Radial diversion ribs; Planar porous guide plate; Concentric flow regions; Voltage-stabilizing buffer chamber; Anti-erosion diffusion surface; In this process, the raw water or regenerated liquid is distributed into multiple equivalent flow paths in the circumferential direction after passing through the annular main water distribution cavity. Then, it is distributed into a 360-degree planar water distribution through the planar porous guide plate or the circumferentially distributed water outlet gaps to reduce the concentrated impact of the inflow.
3. The efficient softening and regeneration method of a water softener with 360-degree planar water distribution according to claim 1, characterized in that: The planar water distribution flow field control objective in step S2 includes at least one or more of the following: The flow velocity across the resin bed cross section is made uniform; The local pressure drop difference in the resin bed decreases; Suppression of channeling effect; The resin layer exchange front is smoothed; Increased effective volume utilization of resin; Furthermore, by adjusting the height of the annular water distribution chamber, the width of the water outlet gap, the density of the guide plate openings, the number of radial diversion ribs, and the size of the throttling zone, a relatively uniform planar water distribution effect can be maintained under different resin filling amounts and different flow rates.
4. The efficient softening and regeneration method of the water softener with 360-degree planar water distribution according to claim 1, characterized in that: The backwashing stage in step S4 achieves full-section reverse expansion of the resin bed through a 360-degree planar water distribution structure. The backwashing stage includes at least the following: Reverse water inlet pressure is equalized through the annular guide cavity; The resin enters the bottom or top of the resin bed through multiple evenly distributed outlets in a circumferential direction; This ensures that the resin particles are uniformly stressed and expand synchronously within the cross-sectional area of the bed; Sediments, suspended impurities, and fine particles are removed along the drainage path; This reduces the problems of resin caking, insufficient local fluidization, and backwashing blind zones caused by traditional local backwashing.
5. The efficient softening and regeneration method of a water softener with 360-degree planar water distribution according to claim 1, characterized in that: The saline solution introduction stage in step S5 adopts a 360-degree planar permeation introduction mode, specifically including: The brine solution first enters the pressure equalization and diversion chamber; It is then evenly distributed circumferentially into the surface or bottom layer of the resin bed; Multiple points of simultaneous infiltration are formed along the cross-sectional direction; Avoid localized high-concentration saline solutions preferentially penetrating and forming short-circuit channels; This improves the uniformity of contact between the salt solution and resin particles, reducing local over-regeneration and under-regeneration phenomena.
6. The efficient softening and regeneration method of a water softener with 360-degree planar water distribution according to claim 1, characterized in that: In steps S6 and S7, the slow wash stage and the fast wash stage adopt staged throttling control, and the control basis includes at least one or more of the following: Raw water hardness; Resin filling height; Resin particle size; Planar water distribution porosity; Inlet water pressure; Rated flow rate of the equipment; In the slow washing stage, priority is given to controlling the uniformity of salt solution migration, while in the fast washing stage, priority is given to controlling the residual salt solution removal efficiency and the stability of resin bed repositioning.
7. The efficient softening and regeneration method of a water softener with 360-degree planar water distribution according to claim 1, characterized in that: In steps S8 and S9, during the initial water output stage after the water softener resumes service, the resin bed is stabilized and adjusted using a 360-degree planar water distribution structure to reduce the hardness fluctuation of the initial water output after regeneration. When the system is equipped with a residual hardness adjustment structure, the bypass raw water and softened water are mixed twice before entering the outlet channel, and then flow out evenly through the aforementioned planar water distribution to avoid local uneven mixing that could cause fluctuations in the hardness of the outlet water.
8. The efficient softening and regeneration method of a water softener with 360-degree planar water distribution according to claim 1, characterized in that: In the case of initial commissioning or shutdown for reuse, step S10 includes: Check that the planar water distribution components are installed correctly; Check that the brine valve, brine pipe, drain pipe, and flow channel are unobstructed; Add regenerated salt to the salt tank to form the initial brine solution; Trigger a complete regeneration process to establish a uniformly wetted resin bed and a stable water distribution state; Under low-pressure conditions, the risk of insufficient planar water distribution is compensated by reducing throttling losses or extending the regeneration stage duration.
9. The efficient softening and regeneration method of a water softener with 360-degree planar water distribution according to claim 1, characterized in that: The method is applicable to single-column or dual-column water softeners. When used in a dual-column water softener, during the switching process of one column serving and the other column regenerating, both the serving column and the regenerating column adopt a 360-degree planar water distribution structure. In the initial stage of module switching, a short-term flow stabilization phase is used to weaken the switching impact and improve the stability of continuous water supply.