553 results about "Water softening" patented technology

The invention provides a softening treatment device for water for drinks, which relates to the technical field of softening of water for drinks and comprises a water storage tank, a saline water tank, a softening tank filled with resin, a first communicating pipe and a second communicating pipe, a water conveying pipe rotationally connected with the second communicating pipe is arranged in the softening tank, the bottom of the water conveying pipe communicates with a circulating pipe, the circulating pipe is fixedly connected with the softening tank, a plurality of circulating holes are formed in the side wall of the circulating pipe, a spiral groove is formed in the inner side face of the circulating pipe, and the circulating pipe is connected with a material abutting plate through the spiral groove; a transmission part is fixedly connected to the upper surface of the abutting plate and abuts against the inner side face of the circulating pipe, a water conveying groove is spirally formed in the outer side face of the transmission part, a water outlet pipe fixedly communicates with the side wall of the first communicating pipe, and a sewage pump fixedly communicates with the bottom wall of the softening tank. The resin particle softening device has the effect that the softening effect of the resin particles on the water for the beverage is improved while the resin particles can continuously soften the water for the beverage.

The invention provides a self-compacting ardealite road base material and a preparation method thereof, and belongs to the technical field of building materials, the base material comprises the following components in percentage by mass: 40-55% of ardealite, 4-13% of a cementing material, 35-50% of aggregate, 0.2-0.7% of an additive and the balance of water, wherein the cementing material comprises cement and slag powder, and the water-cement ratio is 4.5-7.5. According to the self-compacting phosphogypsum road base material, the properties of phosphogypsum and a cementing material are fully exerted, the filling slump expansion index of the formed self-compacting phosphogypsum road base material reaches SF1 level (550-655 mm), the expansion time T500 index reaches VS1 level (larger than or equal to 2 s), the 28-day compressive strength is larger than or equal to 8 MPa, the water softening coefficient is larger than or equal to 85%, and the water absorption rate is smaller than or equal to 10%. According to the phosphogypsum road base material disclosed by the invention, cement with a relatively low mixing amount is used, so that early-stage diseases of a road base are effectively overcome or avoided; and meanwhile, the ardealite with medium and high doping amount is used, so that the ardealite can be quickly consumed, the inventory is reduced, the stacking problem is relieved, and remarkable environmental, economic and social benefits are achieved.

The utility model relates to a resin containing container, a water softening system and water softening machine equipment, the resin containing container is applied to the water softening system, the water softening system comprises a softening cavity, a liquid flow channel of the softening cavity is used for storing ion exchange resin, and the total transverse length of the liquid flow channel in the softening cavity is larger than the total longitudinal length of the liquid flow channel; and the liquid moves in the horizontal direction when passing through the ion exchange part in the softening cavity. According to the embodiment of the invention, through the softening cavity of the resin container of which the total transverse length of the liquid flow channel is greater than the total longitudinal length of the liquid flow channel, the size of the space occupied by the resin container can be reduced while the dissolved salt flow channel of the resin container can be effectively prolonged, and the exchange efficiency of hardness ions in a water body is improved while the miniaturization of water softener equipment is facilitated.

The embodiment of the invention discloses a leachate concentrated water softening control method based on double closed-loop predictive control, and relates to the technical field of automatic control of environmental engineering. The method comprises the following steps: acquiring multi-dimensional data acquired in real time; a dynamic mass balance equation of a magnesium removal / calcium removal reaction is constructed, the dosage of NaOH / Na2CO3 is optimized in a rolling mode on the basis of a model prediction control algorithm, and accurate control over the pH value and the hardness removal rate is achieved; a membrane pollution state space equation is constructed, a membrane type switching and cleaning strategy is optimized in combination with a dynamic programming algorithm, and Pareto optimal control of flux maintenance and cost minimization is achieved. The industrial problems of low control precision, high operation cost and poor system robustness in high-hardness wastewater softening treatment are solved, and the method has remarkable technical advancement and engineering application value.

The present application relates to the technical field of water treatment devices, and provides a water softener. The water softener comprises a water softening valve, a connection assembly, a water path assembly, and resin tanks. The water softening valve comprises a valve body, a valve element assembly, a driving part, and a transmission mechanism. Both the valve element assembly and the driving part are disposed within the valve body, and the driving part is in transmission connection with the valve element via the transmission mechanism. The connection assembly is in communication with the water softening valve and is located at one side of the water softening valve. The connection assembly is provided with a drain passage. The driving part is configured to drive the transmission mechanism to act, so as to control opening of the drain passage. The water path assembly is in communication with the connection assembly, and is used to guide the flow of water. The resin tanks are used to soften water flowing therethrough. In the present application, a driving apparatus is employed to drive the transmission mechanism to act, so that the transmission mechanism can control the valve element to control water-path switching, and can control the opening of passages within the connection assembly, thereby enabling full control of the entire water path, simplifying control logic, improving control efficiency, reducing the number of control devices, and lowering the failure rate of the water path control assembly.

The utility model provides a purified water dispenser which comprises a water softening system, a water purifying system and a hot water system, the water purifying system comprises a filtering system, a soft water quality detection piece, a soft water temperature detection piece and a variable-frequency booster pump, and the soft water quality detection piece and the soft water temperature detection piece are both connected with the variable-frequency booster pump. The rotating speed of the variable-frequency booster pump is determined according to the total amount and temperature of dissolved solids in soft water measured by the soft water quality detection part and the soft water temperature detection part, and the stability of the water making flow speed of the purified water dispenser is guaranteed.

A water treatment system centrally communicates and controls one or more water treatment devices to regulate the use of the one or more water treatment devices. The water treatment system is configured to enable a localized, on-demand supply of purified water throughout a building or a network of buildings. The water treatment system may control a degree of purity (e.g., water hardness or concentration of dissolved salts) via mixing of purified and unpurified water streams in a controllable ratio (e.g., via one or more controllable valves or one or more tunable water softening units).

The embodiment of the utility model discloses a purified water dispenser which comprises a water softening system, a water purifying system and a controller, a water inlet of the water softening system is used for receiving raw water, and a water outlet of the water softening system can output soft water; a water inlet of the water purification system is communicated with a water outlet of the water softening system, a water outlet of the water purification system is used for outputting purified water, the water purification system comprises a filtering system and a wastewater drainage pipeline, a water inlet of the filtering system is communicated with the water inlet of the water purification system, and a water outlet of the filtering system is communicated with the water outlet of the water purification system; a wastewater port of the filtering system is communicated with a wastewater drainage pipeline; the controller is connected with the soft water system and is connected with the wastewater drainage pipeline; when the water outlet of the water softening system outputs hard water, the controller is used for controlling the wastewater drainage pipeline to increase the wastewater discharge capacity so as to protect the filtering system, and the filter element can have the normal service life.

The utility model relates to the field of water softening, and provides a resin tank assembly and a water softening device.The resin tank assembly comprises a first tank body, a second tank body and a water distribution mechanism, the first tank body is arranged in a barrel shape, one end of the first tank body is provided with a first installation opening, and the peripheral side of the first installation opening is provided with a first connecting part; the second tank body is provided with a first end and a second end which are oppositely arranged, the first end is connected with the first mounting opening so as to form a containing cavity between the first tank body and the second tank body, the containing cavity is communicated with the first mounting opening, a second connecting part correspondingly connected with the first connecting part is arranged on the peripheral wall of the first end, and a necking opening is formed in the end face of the second end; the necking is used for communicating the accommodating cavity with the waterway component; the water distribution mechanism is installed in the containing cavity. The water distributor is not limited by the size of the necking opening, the water distribution area can cover the cross sectional area of the whole resin tank, the water distribution effect of the water distributor is improved, and the resin regeneration rate and the water production amount are improved.

The utility model relates to a water softening system and water softening machine equipment. The water softening system comprises a controller, a resin container, a constant-pressure siphon regeneration device and a waterway control valve, the water path control valves are arranged at the joints of water paths of the water softening system, the controller is respectively connected with the constant-pressure siphon regeneration device and the water path control valves, and the controller is used for controlling the constant-pressure siphon regeneration device to start and controlling the working state of the water path control valves in a regeneration mode. The constant-pressure siphon regeneration device is used for generating saline water with target concentration, and the saline water is driven to reversely flow in the resin container and then is discharged through the sewage port. The salt water with the target concentration is stably generated through the constant-pressure siphon regeneration device, so that the regeneration efficiency of ion exchange resin in the resin container and the water softening performance of the whole machine can be effectively improved.

The utility model discloses a soft water valve and waterway tandem type water softener which comprises a control valve, a waterway plate and a waterway plate joint which are connected in sequence, according to the water softening valve of the water softener, an existing water softening valve of the water softener is improved, the water softening valve does not need to be directly installed on the glass fiber reinforced plastic barrel, then the water softening valve is connected with the glass fiber reinforced plastic barrel in series through the water way plate connector and the water way plate, and therefore the water softening valve can be connected in series. Therefore, the soft water valve can be placed anywhere, the problem that the soft water valve must be installed on a glass fiber reinforced plastic barrel in the prior art is avoided, the soft water valve is more flexible, the size of the water softener is greatly reduced, and the functionality of the water softener is not affected.

The invention belongs to the technical field of direct drinking water processing, and particularly relates to a direct drinking water softening and sterilizing device which comprises a bottom plate, the two sides of the upper end face of the bottom plate are fixedly connected with a softening pool and a sterilizing pool respectively, one side of the bottom of the softening pool is communicated with the sterilizing pool through a connecting pipe, and a drainage pipe is arranged on one side of the sterilizing pool. An ultraviolet germicidal lamp is arranged at the top of an inner cavity of the sterilization tank, and a feeding auxiliary mechanism used for uniformly adding lime and soda into the softening tank is further arranged on the softening tank. By means of the feeding auxiliary mechanism, lime and soda discharged from the discharging port can make contact with leaves, the lime and the soda are scattered, the distribution area of the lime and the soda on the water surface is enlarged, meanwhile, the caked and coagulated lime and the soda can also be scattered, and therefore the lime and the soda can be evenly added into water, and the situation that the lime and the soda are not prone to falling off due to the fact that the water surface area is too large is avoided. And an operator is not easy to uniformly add lime and soda into water.

The present invention relates to the field of soft water, and provides a resin tank assembly and a soft water device, wherein the resin tank assembly includes a tank body, a waterway plate, a central tube and an adapter, wherein the tank body has a receiving cavity and a tank mouth communicating with the receiving cavity; the waterway plate is installed at one end of the tank body close to the tank mouth, and the waterway plate has a soft water channel to communicate with the soft water channel through an adapter seat; the central tube is arranged in the receiving cavity, and the first end of the central tube passes through the tank mouth; the adapter is connected between the first end of the central tube and the adapter seat, and a water guide chamber communicating with the soft water channel and the central tube is formed between the adapter and the adapter seat. The present application simplifies the connection between the waterway plate and the central tube, while reducing the flow change at the transition between the waterway plate and the central tube, thereby improving the soft water output efficiency of the soft water device.

The invention provides a mine water softening and dosing system and a control method, and belongs to the technical field of water treatment equipment, and the mine water softening and dosing system comprises water treatment equipment, a detection mechanism, an adjusting mechanism and a control unit. Through cooperation of the detection mechanism and the control unit, feed-forward detection and feed-back detection of softening treatment of mine water are achieved, and the control unit can achieve determination of the initial feeding amount of drugs and adjustment of subsequent feeding according to the feed-forward detection and the feed-back detection; the flow, alkalinity and pH value of inlet water and outlet water as well as the turbidity and alumen ustum image of the outlet water are detected at the same time, and the control system can comprehensively sense the water quality change and the treatment effect according to the detection result, so that the refined and automatic adjustment of the addition of various medicaments is realized, the dependence on human eye observation and manual test is reduced, and the operation is simple and convenient. The intelligent level and the operation efficiency of the whole water treatment process are improved.

The invention belongs to the technical field of heat pump units, and particularly relates to a high-efficiency middle-deep layer geothermal heat pump unit which comprises a unit body and a heat exchange pipe fixedly communicated to the unit body, and a water temperature sensor is further arranged at the position, corresponding to a water return opening, of the heat exchange pipe. The system further comprises a water softening mechanism, a bactericide supplementing mechanism, a water pressure real-time monitoring feedback mechanism, a water pressure descending speed monitoring feedback mechanism, an alarm grade dividing mechanism, an automatic water supplementing and pressure stabilizing mechanism and a working frequency self-regulating mechanism. Heat exchange water can be automatically softened, the content of ions such as calcium and magnesium is reduced, scaling is prevented, the heat exchange efficiency is maintained, the service life of equipment is prolonged, and cost is reduced; the regeneration frequency of the water softening mechanism and the bactericide adding frequency can be automatically regulated and controlled according to the water temperature, and the softening and sterilizing effects are guaranteed; and leakage of the heat exchange tube can be effectively monitored, graded warning is performed according to the size of leakage points, workers can respond and process in time conveniently, and the fault risk is reduced.

A system for softening high-salinity water via self-induced calcium bicarbonate crystallization in a fluidized bed, including a fluidized bed-based crystallization-softening reaction unit, a water feeding unit, a dosing unit and a regulation unit. The fluidized bed-based crystallization-softening reaction unit is configured to induce a crystallization reaction to soften high-salinity water. The water feeding unit is configured to supply high-salinity water to the fluidized bed-based crystallization-softening reaction unit. The dosing unit is configured to supply a pH regulating agent to the fluidized bed-based crystallization-softening reaction unit. The regulation unit is configured to perform reflux replenishment for the fluidized bed-based crystallization-softening reaction unit and recover escaping crystals. A high-salinity water softening method using such system is also provided.

A water treatment system is provided that includes an inlet in fluid communication with a source of untreated water, where the inlet is in fluid communication with a prefiltration unit. The prefiltration unit is adapted to remove one or more components from the untreated water. A membrane element is in fluid communication with the prefiltration unit and is adapted to remove the one or more components from the untreated water. A permeate stream and a retentate stream are generated by the membrane element. The water treatment system further includes a first treatment vessel that is positioned downstream of the inlet. The first treatment vessel is provided with a first treatment chemical, and the first treatment chemical is adapted to remove the one or more components from the untreated water.

The invention relates to the technical field of water treatment, and provides a water softening valve and a water softener. The soft water valve comprises a valve shell, a main valve assembly and an auxiliary valve assembly. The valve shell comprises a raw water inlet, a soft water outlet, a main cavity, an auxiliary cavity, a raw water outlet, a soft water inlet and a drain outlet. The raw water outlet and the soft water inlet can be communicated through the softening device, the main cavity and the auxiliary cavity are communicated with the raw water inlet, and the soft water outlet is communicated with the soft water inlet; the main valve assembly comprises a main valve element and a main driving part. The auxiliary valve assembly comprises an auxiliary valve element and an auxiliary driving part. In a backwashing mode, the backwashing flow channel is communicated with the auxiliary cavity and the soft water inlet, and the first pollution discharge flow channel is communicated with the raw water outlet and the pollution discharge port; in the forward washing mode, the water making flow channel is communicated with the main cavity and the raw water outlet, and the second pollution discharge flow channel is communicated with the soft water inlet and the pollution discharge port. The soft water valve provided by the invention is matched with double cavities and double valves, so that switching between a conventional washing mode and a backwashing mode can be realized, two pollution discharge paths are provided, pollution discharge is convenient, and the structure is simple.

The purification water dispenser comprises a water softening system, a water purification system and a hot water system, the water softening system is communicated with a raw water inlet of the purification water dispenser, the water purification system comprises a reverse osmosis filter element and a booster pump, and a water inlet of the reverse osmosis filter element is communicated with a first soft water outlet channel of the water softening system; the booster pump is arranged between a first soft water outlet channel of the water softening system and a water inlet of the reverse osmosis filter element, a water inlet of the hot water system is communicated with a water outlet of the reverse osmosis filter element, and the hot water system is used for providing hot water softened by the water softening system and purified by the water purification system for a user. According to the technical scheme, raw water can be softened through the water softening system, and the concentration of calcium and magnesium ions in water entering the reverse osmosis filter element is reduced, so that the service life of the reverse osmosis filter element is prolonged.

The invention discloses a water softening valve and a water softener, and relates to the technical field of water treatment equipment.The water softening valve comprises a valve body and a driving mechanism; the valve body is provided with a piston and a valve cavity communicated with a plurality of channels, and the piston is arranged in the valve cavity in a sliding mode so as to switch the channels communicated with the valve cavity; the driving mechanism comprises a mounting seat, a transmission assembly and a driving part, the mounting seat is connected to the valve body, the transmission assembly is movably arranged on the mounting seat and is in transmission connection with the piston, a first mounting groove is concavely formed in the mounting seat from the side deviating from the valve body to the side connected with the valve body, and a second mounting groove is concavely formed in the mounting seat from the side deviating from the valve body to the side connected with the piston. The driving part is at least partially installed in the first installation groove, and the driving part is in driving connection with the transmission assembly. According to the technical scheme, the size of the soft water valve is reduced, and the installation convenience of the soft water valve is improved.

The utility model relates to the technical field of water softening, and provides a water distributor assembly, a tank body assembly and water softening equipment. The water distributor assembly comprises a disc body and a filter screen, the periphery of the disc body is suitable for abutting against the inner wall of the tank body assembly, the disc body comprises a plurality of vertical ribs and a plurality of round ribs, the round ribs are distributed in a concentric circle mode, the vertical ribs are connected between any two adjacent round ribs, and the distance between any two adjacent round ribs is gradually increased in the radial outward direction of the round ribs; the filter screen covers the disc body. According to the water distributor assembly provided by the utility model, the plurality of vertical ribs and the plurality of round ribs are arranged, the plurality of round ribs are distributed in a concentric circle manner, the vertical rib is connected between any two adjacent round ribs, and the distance between any two adjacent round ribs is gradually increased in the radial outward direction of the round ribs. In the radial outward direction of the disc body, the water flow passing through the disc body is larger and larger, so that the water flow is in full contact with the resin, and the resin utilization rate is increased.

The present invention relates to the technical field of water purification. Disclosed is a water softening treatment apparatus for beer brewing. The water softening treatment apparatus comprises a control cabinet, a main frame, a driving pump, a driving electric motor, a plurality of filters, a pipe, a washing pump, a softening tank, a salt box and a water intake pipe, wherein the control cabinet is mounted at the top of the main frame; the driving pump and the washing pump are mounted on two sides of the control cabinet; the driving electric motor is mounted at the top of the driving pump; the plurality of filters are mounted on a rear side of the control cabinet; the pipe connects the driving pump to the plurality of filters, and the pipe connects the washing pump to the salt box; the softening tank is mounted on one side of the filters; the filters are in communication with the softening tank by means of the water intake pipe; the salt box is arranged on one side of the softening tank; and a rotatable regeneration device is mounted in the middle of the softening tank. The water softening treatment apparatus solves the problems such as the efficiency and quality of water softening being affected by insufficient resin regeneration caused by incomplete washing during the resin regeneration performed by an existing water softening apparatus.

The invention relates to the technical field of water treatment, and provides a water softening valve and a water softener. The soft water valve comprises a valve shell, a main valve assembly and an auxiliary valve assembly. The valve shell comprises a raw water inlet, a soft water outlet, a main cavity, an auxiliary cavity, a raw water outlet and a soft water inlet. The main cavity and the auxiliary cavity are communicated with the raw water inlet, and the soft water outlet is communicated with the soft water inlet; the main valve assembly comprises a main valve element and a main driving part, the main valve element is located in the main cavity, and the main cavity and the raw water outlet can be adjusted in an on-off mode through the main valve element; the auxiliary valve assembly comprises an auxiliary valve element and an auxiliary driving part, the auxiliary valve element is located in the auxiliary cavity, and the soft water inlet and a flow channel of the auxiliary valve element can be adjusted in an on-off mode. The main driving part is used for driving the main valve element to be switched between the first main valve position and the third main valve position, and the auxiliary driving part is used for driving the auxiliary valve element to be switched between the multiple auxiliary valve positions so that the soft water valve can be switched between a water production mode, a water injection mode, a salt absorption mode and a cleaning mode. According to the soft water valve, switching of multiple modes can be achieved through cooperation of double cavities and double valves.

The invention relates to the technical field of gypsum, and discloses a slope protection material based on building beta gypsum as well as a preparation method and a construction method thereof, the slope protection material comprises 40-55 parts of building beta gypsum, 8-15 parts of phosphogypsum, 2-5 parts of a curing agent, 10-20 parts of fly ash and 40-60 parts of water; the curing agent comprises calcium hydroxide, potassium carbonate, acrylic resin and calcium carbonate. After the slope protection material provided by the invention is cured, the leachate of the slope protection material reaches the first-grade discharge water standard through a vibroflotation water method. The innovation ensures the environmental protection property of the material in the application process, solves the problem of low water stability of the traditional beta gypsum, increases the water softening coefficient of the building beta gypsum to 0.7, solves the influence on the environment in the treatment process, and meets the requirements of green construction and sustainable development.

The embodiment of the utility model discloses a purified water dispenser, a control method and a computer readable storage medium, the purified water dispenser comprises a water softening system, a water purifying system and a controller, a water inlet of the water softening system is used for connecting tap water, and a water outlet of the water softening system can output soft water; a water inlet of the water purification system is communicated with a water outlet of the water softening system, a water outlet of the water purification system is used for outputting purified water, the water purification system comprises a pressurizing pipeline and a filtering system, a water inlet of the pressurizing pipeline is communicated with the water inlet of the water purification system, and a water outlet of the pressurizing pipeline is communicated with a water inlet of the filtering system; a water outlet of the filtering system is communicated with a water outlet of the water purifying system; the controller is connected with the water softening system and is connected with the pressurizing pipeline; when the water outlet of the water softening system outputs hard water, the controller can control the water pressure in the pressurizing pipeline to be reduced, so that the reverse osmosis filter element can reach the normal service life.

The purification water dispenser comprises a water softening system and a water purification system, the water softening system is communicated with a raw water inlet of the purification water dispenser, the water purification system comprises a reverse osmosis filter element, a waste water backflow pipeline and a booster pump, and a water inlet of the reverse osmosis filter element is communicated with a water outlet of the water softening system. A water outlet of the reverse osmosis filter element is communicated with a pure water outlet of the purified water dispenser, a water inlet of the wastewater backflow pipeline is communicated with a wastewater opening of the reverse osmosis filter element, a water outlet of the wastewater backflow branch is communicated with a water inlet of the reverse osmosis filter element, and the booster pump is arranged between a water outlet of the water softening system and the water inlet of the reverse osmosis filter element. Through the arrangement, the water softening system firstly softens raw water to reduce the concentration of calcium and magnesium ions in water entering the reverse osmosis filter element, so that the calcium and magnesium ions are prevented from forming scale on the membrane surface of the reverse osmosis filter element, and the service life of the reverse osmosis filter element is further prolonged.

The utility model discloses a reverse osmosis ultrapure water purification device in the technical field of water treatment, which comprises a dosing device, one end of a second connecting pipe is fixedly connected with a quartz sand filtering tank, and the quartz sand filtering tank is connected with an activated carbon filtering tank through a water pipe. The activated carbon filtering tank is connected with the water softening equipment through a water pipe, and the water softening equipment is connected with the precision filter through a water pipe, so that water can be preliminarily filtered in advance, impurities, suspended solids, organic matters, chromaticity, peculiar smell and the like in the water are removed, and the surface of the medium is adsorbed, so that the purpose of purifying the water is achieved; the softening equipment can reduce the hardness of water in the tank, remove calcium and magnesium ions in the water and reduce the total salt content in the water, and sterilization and disinfection are performed again through the ozone sterilization equipment, so that the burden of reverse osmosis membrane filtration is reduced, and the quality of purified water is improved.

The water softening system comprises at least two water softening assemblies, any water softening assembly comprises a softening tank, a water inlet pipeline, water softening resin and a water outlet pipeline, the water inlet pipeline and the water outlet pipeline are both communicated with the softening tank, the water softening resin is arranged in the softening tank, and the water outlet pipeline is communicated with the softening tank; the to-be-softened water entering the softening tank flows to the input end of the water outlet pipeline after being adsorbed by the water softening resin; the resin regeneration assembly is used for generating a saturated salt solution, any softening tank is provided with a salt water pipeline for inputting the saturated salt solution, and the multiple salt water pipelines are connected with the resin regeneration assembly; and the control assembly is used for controlling the flowing of the solution between the water softening assembly and the resin regeneration assembly. The water softening system is simple in structure, high in intelligent degree and accurate in brine proportion control, and the flushing and dissolving capacity is remarkably improved.

The utility model relates to the technical field of soft water preparation, particularly provides a water mixing device and water softening equipment with the water mixing device, and aims to solve the problems that in the prior art, a water softening machine is too complicated in structure, high in cost and the like due to a water mixing mode that a raw water branch is additionally arranged. In order to achieve the purpose, a first connector of a water mixing device is communicated with an external raw water source and an inlet of a water softening device, a second connector is communicated with an outlet of the water softening device, the first end of a water mixing channel in the water mixing device is communicated with the first connector, the second end of the water mixing channel is communicated with the second connector, and a water mixing valve is arranged on the water mixing channel. The water mixing valve is arranged to be capable of opening or blocking the water mixing channel. According to the water mixing device, the water mixing channel is formed in the water mixing device, the water mixing valve is arranged on the water mixing channel, no pipeline needs to be additionally arranged, the hardness of softened water flowing out of the water mixing device can be adjusted as required only by adjusting the opening degree of the water mixing valve, the equipment structure is simplified, and the cost is reduced.

The present invention discloses a water softening control system, wherein a water softener is connected to a drain pipe, and a TDS sensor device and a regeneration start flow sensor are connected to a single chip microcomputer. The TDS sensor device and the regeneration start flow sensor are connected to the drain pipe of the water softener. When the single chip microcomputer (P) regards the water softening regeneration as starting, the single chip microcomputer collects the TDS value and the number of data of the TDS sensor device (D) at a set time interval until the single chip microcomputer regards the water softening regeneration process as ending. In the detection cycle from the beginning of the water softening regeneration to the termination of the water softening regeneration, the single chip microcomputer (P) performs data analysis on the collected TDS value and the number of data, and according to the set judgment logic, gives a prompt signal whether the water softening regeneration ends normally and whether the salt box is short of salt. An alarm reminder is given for an unqualified water softening regeneration process and a salt box short of salt, so that the customer can grasp the relevant working conditions of the water softener in time and take necessary maintenance measures.