CN208716969U - It is a kind of without electric type hydro powered water softening device - Google Patents

Abstract

The utility model belongs to water-softening plant technical field, is related to a kind of without electric type hydro powered water softening device, including two water treatment tanks, brine tank and valve system, valve system include: reversing control valve, for guaranteeing that at least one water treatment tank is connected to water inlet；Delivery valve, delivery valve are connect with volume-displacement, and volume-displacement is connect with two water treatment tanks, and delivery valve is connect with reversing control valve；Regeneration valve, regeneration valve are connect with regeneration instrument board, and regeneration instrument board is connect with volume-displacement, and regeneration valve is connect with reversing control valve；Salt water safety valve, salt water safety valve are arranged in brine tank, and salt water safety valve is connect with ejector, and ejector is connect with two water treatment tanks, and the ejector is also connect with regeneration instrument board.The utility model all working state does not need electricity or other external energy, and flowmeter and control reversal valve dispatch control system are hydro powered, and opposed configuration is simple, energy saving and reduction use cost.

Description

It is a kind of without electric type hydro powered water softening device

Technical field

The utility model belongs to automatic softening, filter plant technical field, and in particular to a kind of soft without electric type hydro powered Water dispenser.

Background technique

According to Chinese " domestic water sanitary standard " regulation, the total hardness of water body must not exceed 450mg/L, world health It is 170mg/L that Organisation recommendations, which most preferably drink the water hardness,.This is because the tap water (hereinafter referred to as " hard water ") for crossing high rigidity can be straight The health for influencing drinking person is connect, the lesion that can cause the systems such as angiocarpy, nerve, uropoiesis hematopoiesis is caused, makes family's water pipe Gradually blocking, waste of energy, shortening water heater service life, laundry need more articless for washing, damage cotton goods, cause wave Take.Hardness is an important indicator in water quality monitoring, it mainly has many cations of adding that is dissolved in the water to be constituted, Wherein most important substance is calcium and magnesium, remaining is the polyvalent cations such as barium, aluminium, strontium, iron, violent so sometimes also hardness is claimed For calcium and magnesium hardness.And in reality, the high problem of the generally existing water hardness of China's household water.Although water purifier can improve drink Quality of water cannot but reduce water hardness.It causes damages one kind of coming into being to solve the hard water of excessive high hardness to life Novel terminal purifier-water softening device.Water softening device is using ion exchange technique, by the functional ionic and water on resin Calcium and magnesium ion swap, to adsorb calcium and magnesium ion extra in water, reach scale removal (calcium carbonate or magnesium carbonate) Purpose.

The chief component of household water softening device are as follows: softening water control valve, cabinet, tank body, resin and suction salt regenerative system Deng.Work process is generally raw water from water inlet into → softening water control valve → upper water distributor → resin → lower Water draw-off pump → center Pipe → salt box and outlet pipe go out softened water.After carrying out ion exchange and generating a certain amount of soft water, the hardness ions of resin adsorption Saturation can be reached.This just needs to carry out resin regeneration, replaces the hardness ions in resin by regrown material (soft water salt), thus Continue to use water softener.The step of resin regeneration are as follows: 1. water filling stages；2. inhaling salt and salt being washed the stage: inhaling salt and salt is washed It carries out simultaneously, needs electricity consumption when inhaling salt, it is former hard water that client, which uses, at this time；3. backwash stage: it is original that client, which uses, at this time Hard water；4. expressing the stage: what client used at this time remains as former hard water.It can be seen that mainstream water softening device component part in the market Complex, softening control valve needs setting program and needs electricity consumption when in use, cannot continue to soften in regeneration stage The operation of water, to it cannot be guaranteed that client Shi Yi is supplied to be set to softened water.If encountering the special feelings such as power-off in regeneration stage Condition, regeneration stage is then out of service to make troubles or increased costs to user.And it needs workman to install when installing to adjust Examination needs the infield of selection to need some particular requirements such as energization, need to carry out specially to the motor-driven valve setting by process control Industry guidance, process are relatively complicated.

Utility model content

Purpose of the utility model is to solve shortcomings and deficiencies existing in the prior art, provide a kind of pair of raw water Water quality requirement is not high and is not required to specific infield, drives double tank water softening devices without the full-automatic water conservancy of electric type, has structure letter It is single, compact, it is applied widely, the advantages that uninterruptedly softening water outlet can be continued.

It is to achieve the above object, the technical scheme adopted by the utility model is a kind of without electric type hydro powered water softening device, Including two water treatment tanks, brine tank and valve system, the valve system includes:

Reversing control valve, the reversing control valve are arranged between water inlet and two water treatment tanks, for guaranteeing at least One water treatment tank is connected to water inlet；

Delivery valve, the delivery valve are connect with volume-displacement, and the volume-displacement is connect with two water treatment tanks, institute It states delivery valve to connect with reversing control valve, the delivery valve is also connected with water outlet；

Regeneration valve, the regeneration valve are connect with regeneration instrument board, and the regeneration instrument board is connect with volume-displacement, described Regeneration valve is connect with reversing control valve；

Salt water safety valve, the salt water safety valve are arranged in brine tank, and the salt water safety valve is connect with ejector, institute It states ejector to connect with two water treatment tanks, the ejector is also connect with regeneration instrument board.

Preferably, the water treatment tank includes column part, and the column part upper and lower ends are respectively provided with a circular top part Point, the column part and dome portion contact site are welded with stainless steel mesh screen.

Preferably, ion exchange resin, the ion exchange resin are filled between the upper and lower two stainless steel mesh screens Select resin with uniform particle.

Preferably, the water treatment tank bottom connects water inlet by reversing control valve, top and volume-displacement and penetrates Check-valves is equipped on the pipeline connected between stream device.

Preferably, the delivery valve and regeneration valve two sides are equipped with check-valves.

Preferably, it is equipped with measurement gear group inside the delivery valve and regeneration valve, and inside delivery valve and regeneration valve It is symmetrically arranged with two driving levers, the driving lever can control opening for check-valves on the outside of it in the case where measurement gear group circular motion It closes.

Preferably, the volume-displacement and regeneration instrument board are all made of metering impeller.

After adopting the above technical scheme, it is provided by the utility model it is a kind of have without electric type hydro powered water softening device following have Beneficial effect:

(1) the utility model all working state does not need electricity or other external energy, and flowmeter and control commutate Valve dispatch control system is hydro powered, and opposed configuration is simple, energy saving and reduction use cost；

(2) the utility model is designed as double tanks, and can carry out softening work simultaneously also can be according to capacity one regeneration one of setting A normal work, is recycled with this, guarantees that water outlet one is set to soft water；

(3) micro-control valve of the utility model design does not need any program or design to control, and installation is simple, behaviour It is convenient to make, and performance is good；

(4) the utility model resin container uses resin with uniform particle, avoids little particle resin when ordinary resin loads and squeezes Between bulky grain resin, space utilization rate is improved, the useful space increases so that pressure reduction, uniform with raw water contact area And increases, improve the diadochy of unit volume resin.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram without electric type hydro powered water softening device of the utility model；

Fig. 2 is the structure cut-away view of the utility model delivery valve；

Fig. 3 is the top view of the utility model delivery valve；

Fig. 4 is the structure cut-away view of the utility model regeneration valve；

Fig. 5 is the top view of the utility model regeneration valve；

Fig. 6 is a kind of status diagram of the utility model reversing control valve；

Fig. 7 is another status diagram of the utility model reversing control valve；

Fig. 8 is the structural schematic diagram of the utility model brine tank；

Fig. 9 is the structural schematic diagram of the utility model brine tank and ejector part.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawings and detailed description.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms should broadly understood, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

As shown in Figure 1, the utility model is a kind of without electric type hydro powered water softening device, including two water treatment tanks, respectively First water treatment tank 1 and the second water treatment tank 2, water treatment tank include column part, and column part upper and lower ends are respectively provided with one Dome portion, column part and dome portion form water treatment tank, and are column part and dome portion inside water treatment tank Contact site is welded with stainless steel mesh screen 4, and column part and dome portion are demarcated, and justifies between two stainless steel mesh screens 4 Ion exchange resin 3 is filled with inside post part, ion exchange resin 3 specifically selects resin with uniform particle, can using resin with uniform particle Little particle resin squeezes between bulky grain resin when ordinary resin being avoided to load, and improves space utilization rate, the increasing of the useful space Add so that pressure reduction, increases contact area while uniform with raw water contact area, improve the displacement of unit volume resin Ability.

Using it is a kind of without electric type hydro powered water softening device when, water treatment tank is upright by positioning, and water inlet 16 passes through commutation Control valve 13 connects the port 5 that water treatment tank lower end is arranged in, and water flow enters water treatment tank by port 5, passes through ion exchange Then the displacement of resin 3 comes out from the upper port 55 of water treatment tank, the upper port 55 of the first water treatment tank 1 and the second water treatment tank 2 It is separately connected check-valves 18,17, check-valves 17,18 connects the input port of volume-displacement 22, and the output of volume-displacement 22 is logical Piping leads to water outlet 19, i.e. realization water demineralization；When ion exchange resin 3 needs to regenerate, brine tank 20 and salt water peace Full valve 21 is connected to the entrance 10 of ejector 9, it also has connectivity port 11 to ejector 9, passes through regeneration instrument 23 to softened water Port 55 is arrived by corresponding check-valves 7 and 8 in the outlet 12 of water outlet 19, ejector 9, and salt water is flowed downward by port 55, It is come out by ion exchange resin 3, and from water treatment tank lower end water inlet port 5, and latter two water treatment tank passes through respectively respectively Pipeline be connected to respective valve, the two chambers 14 and 15 in reversing control valve 13 are described later on, reversing control valve 13 also With linkage function.

The two sides of volume-displacement 22 are arranged in two delivery valves 24 and 25, and two settings of regeneration valve 26 and 27 are regenerating The controllable reversing control valve 13 of the two sides of instrument board 23, two delivery valves 24 and 25 and two regeneration valves 26 and 27, commutation control Valve processed 13 is a servo valve and its control valve, the pressure of water in reversing control valve 13 there are two control port 28 and port 29 Its operation, control port 28 and 29 are controlled, control port 28 controls delivery valve 24 and regeneration valve 26 by pipeline, meanwhile, Another control port 29 is connected to output and the regeneration valve 27 of delivery valve 25 by pipeline, and volume-displacement 22 is measured by soft water The flow for the softened water that machine provides, the volume-displacement 22 control regeneration valve 26 and 27, provide the softening per next predetermined amount The regeneration of water, a cycle starts, and similarly, in regenerative process, regeneration instrument 23 is worked by regeneration valve 26 and 27, It is regenerated with setting the water of predetermined amount by water treatment tank.

As shown in Figures 2 and 3, it is measuring room 30 that softened water, which enters volume-displacement 22 from two water treatment tanks 1 or 2, should Measuring room 30 includes a volumetric flowmeter 22, it accurately measures the volume of the water passed through, and measuring room 30 is driven through one Series Gear 31, which drives, executes gear cam 32, and one of cam 32 rotates the preset water for being equivalent to softening, and water treatment tank is worked as When execution cam 32 rotates counterclockwise, which pushes lever blade 36, moves lever 34 around pivot 35, lever Opening delivery valve 24 enables hydraulic signal and flows to regeneration valve 26, and softened water continues to flow into volume-displacement 22, and blade 36 passes through convex Platform 37 pushes, and closes flowmeter delivery valve 24, locking water pressure to the port of reversing control valve 13 28, the control output of lever 34 Valve 24 starts the regeneration of the first water treatment tank 1.Equally, the lever 38 of lever blade 39 controls delivery valve 25 and by pressure signal It can start the regeneration of the second water treatment tank 2 when being applied to the port 29 of reversing control valve 13.The rotation of lever blade 39 is 180 °, Therefore, the regeneration of any water treatment tank is the 50% of preset volume, and the ratio of the preset gear of gear 33 can be rotated by changing Change volume, regeneration instrument board 23 is used to measure regenerate needed for softened water preset volume, and controllable stop regenerating.

As shown in Figure 4 and Figure 5, softened water enters regeneration instrument board 23 and flows through measuring room 42, this chamber includes one again A volumetric flowmeter accurately measures the throughput of water, and measuring room 42 regenerates cam 45 by 41 driving of series of gears combination, The predetermined volume of water needed for half rotation of regeneration meter cam 45 is equivalent to one resin container of regeneration.

When the first water treatment tank 1 regenerates beginning, regeneration instrument cam 45 is positioned as regenerating lever 47 being " freedom ", because This regeneration, regeneration valve 26 are closed, this has just locked pressure signal, and port 12 and 28 is opened, and regeneration instrument gear cam 45 is It pushes open, regeneration valve 27 is controlled by lever 43, prevents the second water treatment tank 2 from regenerating simultaneously with the first water treatment tank 1, passes through row Pressure signal discharge water to be discharged into port 29, when recycled water is by regeneration instrument board 23, gear cam 45 rotates counterclockwise, until In regeneration ending, the lever blade 44 in lever 43 falls off from the back step of cam 45, and lever 43 is " freedom " now Spring is set to close regeneration valve 27, cam 45 continues to rotate counterclockwise, and cam 45 shifts blade 44 on lever 47 onto, opens regeneration Valve 26 makes exhaust outlet that water be discharged, and water pressure holding closes port 28.

Regeneration bar 47 operates regeneration valve 26 and stops the regeneration of resin container 1, regenerates lever regeneration valve 27, stops resin The regeneration of tank 2.Lever blade is mutually located in 180 degree, and the recycled water volume of each tank is 50%, primary to regeneration cam rotation Required preset water, preset volume can be changed by changing the transmission ratio of regeneration cam between control room.

As shown in Figure 6 and Figure 7, reversing control valve 13 evenly distributes between the first water treatment tank 1 and the second water treatment tank 2 Enter saliva, the first water treatment tank 1 and the second water treatment tank 2 work at the same time, can also shift hard water in regenerative process, water is infused Enter the first water treatment tank 1 or the second water treatment tank 2, it recycled water or can also flow to drainpipe from the first water treatment tank 1.

The first water treatment tank 1 and the second water treatment tank 2 are used for by reversing control valve 13 simultaneously in service position hard water, every Film valve 51 and 54 is closed, and reversing control valve 13 includes the cavity for limiting the room being connected with respective water treatment tank, piston rod 48 It is mounted among cavity, it includes a main shaft, and there are two piston 52 and 53, end and piston rods in 49 He of spring on main shaft The same strength in 50 center, it is mutually contradictory.

The regeneration of first water treatment tank 1 starts, and the hydraulic signal from delivery valve 24 opens diaphragm valve 54, flow direction Discharge pipe line, discharge pipe line be now it is open, the flowing of water piston 52 is pushed through and close the valve on valve seat sealing, hard water The softening of the second water treatment tank 2 can only be flowed to now, this recycled water flows through piston 52 across open type from the first water treatment tank 1 now Then drain valve drains.

Hydraulic pressure force signal, which opens 54 exhaust ventilation of valve, when regeneration valve 26 is opened allows the water pressure pushing valve to return in closed position, Make piston rod back to middle position in the first water treatment tank 1 and the second water treatment tank 2, hard water flows to two resins again now The operating position that tank, i.e. reversing control valve 13 have been returned to it.

The regeneration of second water treatment tank 2 with the first water treatment tank 1 be it is identical, operation uses valve 51 and piston 53 etc..

As shown in Figure 8 and Figure 9, softened water fills brine tank 20 until closing, by salt water security by salt water safety valve 21 Valve 21 floats floating bottle 57 to the water level 58 above platform, and salt, which is gradually dissolved in, to be produced in salt water, softened water in resin container regenerative process Ejector 9 is flowed into from entrance 10, port 11 generates part vacuum chamber at outlet 12, and the suction point of ejector 9 draws salt water.

As shown, brine mixes, the water flow and salt water for flowing through ejector 9 mix water tank, then flow Enter the first water treatment tank 1 or the second water treatment tank 2 when regenerating.

Salt water continues to draw salt water stopping when 56 level height of salt water valve base reaches filling, water from brine tank 20 Position continues decline in safety valve intracavitary 60 and no longer sucks salt water from brine tank 20 until reaching and enabling to float the point that bottle 57 is closed, The port 11 that water continues flow through ejector 9 is discharged with rinsing salt water from water treatment tank, when salt water safety valve 21 returns to salt water Salt water continues to extract out from brine tank 20 when position, until salt water reaches the height of valve seat 56.Water level continues decline intracavitary In 60, which makes upper valve seat 59 and sealing element seal in this regard no longer absorption salt water, although 20 water of brine tank The port 11 for continuing to flow through ejector 9 is used to rinse remaining salt water, when floating bottle 57 returns to operating position, brine tank 20 Water is again filled with until closing, the cycling of floating bottle 57 is after the water of predetermined volume by exporting in volume-displacement 22 Valve 24 is opened, and pressure water signal is transmitted to valve 54 and it is opened, this valve opens water flow to drainpipe.Water in chamber 14 pushes Piston rod 48, as shown in fig. 7, stopping hard water flows, the flowing of all hard water all points to the second water process in the first water treatment tank 1 The ejector port 11 of salt water is aspirated in tank 2, the regeneration measurement of instrument board 23 by brine valve soft water flux from water tank, and saline solution is logical It crosses regeneration check-valves 7 and enters 1 top of the first water treatment tank, check-valves 18 is closed, and stops softening from the second water treatment tank 2 Water enters the first water treatment tank 1, this saline solution flows through the first water treatment tank 1, and positive with regeneration in the first water treatment tank 1 Then ion exchange resin, saline solution pass through chamber 14 and then drain, the update of the second water treatment tank 2 is in predetermined volume Pass through volume-displacement 22 after water, control delivery valve 25 is opened, and pressure water signal is directed into valve 51 and it is opened, opening For 51 water flow of valve to the path of drainpipe, the water in chamber 54 pushes piston rod 72 to pass through, as shown in Figure 1, hard water is prevented to flow to the One water treatment tank 1, soft water flow to ejector 9 by regenerating instrument board 23, it aspirates salt water, brine valve by salt water from water tank Saline solution enters 2 top of the second water treatment tank by regeneration check-valves 8, services closure of check ring, stops the first water treatment tank 1 Softened water enters in the second water treatment tank 2.

Saline solution is flowed downward by the first water treatment tank 1, and the cation exchange resin in the first water treatment tank 1 is again Raw, then saline solution passes through chamber 15 and then drains, reversing control valve 13 is for being isolated water inlet 16, so that at least one water Process tank is connect with water inlet 16.According to the device of the first water treatment tank 1, can equally operate as water softener and two water process Tank forces corresponding first water treatment tank 1 or the second of flowing starting that the valving is sent into operating position by salt water Resin in water treatment tank 2 alternately regenerates.

The utility model it is a kind of without electric type hydro powered water softening device work when: former hard water from water inlet 16 enter, by changing To control valve 13, the piston in reversing control valve 13 is in central neutral position at this time, former hard water from it is intermediate it is uniform respectively into Enter two sides central tube and water treatment tank is flowed by water treatment tank bottom inlet 5, comes into full contact with former hard water with ion exchange resin 3 It carries out displacement and generates soft water, flowed into the above-mentioned volume-displacement 22 being attached thereto via water treatment tank upper port 55, water flow It drives by volumetric flowmeter and is moved in a circle by axis connection gear combination, the salient point for executing gear is driven to utilize lever principle It opens driving lever by the one way stop peturn valve of meter body side, hydraulic signal is transmitted in reversing control valve 13, by spring band Dynamic to push piston to this side to close valve sealing, the water treatment tank for making former hard water that can only flow to other side is softened；At this time The water treatment tank for closing sealing side carries out reproduction operation, and soft water is placed on water treatment tank from regeneration 23 water outlet of instrument board inflow The generation of ejector 9 part on top is hollow to be mixed with the sucking salt water of ejector 9 into water treatment tank progress cleaning and regeneration, leads to Supersalt water security valve 21 draws saturated brine in cabinet, when the decline of floating bottle 57 in salt water safety valve 21 is gone directly to emergency valve seat It closes and stops inhaling salt, soft water continues flow through ejector 9 and cleaned into tank body, and the recycled water after cleaning is from water process tank deck Portion flows into the diaphragm cavity that bottom is expelled to reversing control valve 13 via central tube, and water flow pushes diaphragm open, then via sewage draining exit Discharge.Execution gear boss in regeneration instrument board 23 does uniform circular motion, and driving lever is evenly distributed on regeneration instrument board 23 Two sides run to the other side from side, execute gear and open this side one way stop peturn valve in hydraulic pressure menchanotransduction to diaphragm cavity Diaphragm valve exhaust ventilation is allowed into water pressure pushing diaphragm valve closed position, the piston in reversing control valve 13 is made to return to central center Position, diaphragm valve close and return to original position, and former hard water can be restored to now while flow to two resin containers, at this time two trees Rouge tank carries out softening work simultaneously.

Impeller in volumetric flowmeter 22 keeps uniform circular motion, and driving lever is located in meter body two sides interval 180 Degree, when executing gear movement to other side, the one way stop peturn valve of this side is opened, does and move as described above, make by salient point The secondary side water treatment tank for carrying out softening work is regenerated, and other side water treatment tank continues to soften work, is inhaled salt and is washed slowly Process is same as described above to be occurred to regenerate instrument board 23 in reversing control valve other side and volume-displacement 22 does shuttling movement, Water treatment tank softening and the same alternating cycle work of regeneration.

Select the features such as volumetric flowmeter has starting flow small, and pressure is low, and flow rate calculation is accurate, different hardness it is hard Water can set execution gear by changing the transmission ratio of gear combination and the time interval mutually moved occurs to adjust with driving lever The regenerated time is saved to determine the water production of a cycle.

In conclusion provided by the utility model a kind of without electric type hydro powered water softening device, do not need electricity or other outside In the energy, flowmeter and control reversal valve dispatch control system are hydro powered, and opposed configuration is simple, and energy saving and reduction makes With cost, there is very big market value, should be widely promoted application.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (7)

1. a kind of exist without electric type hydro powered water softening device, including two water treatment tanks, brine tank (20) and valve system, feature In: the valve system includes:

Reversing control valve (13), the reversing control valve (13) are arranged between water inlet (16) and two water treatment tanks, are used for Guarantee that at least one water treatment tank is connected to water inlet (16)；

Delivery valve, the delivery valve are connect with volume-displacement (22), and the volume-displacement (22) connects with two water treatment tanks It connects, the delivery valve is connect with reversing control valve (13), and the delivery valve is also connected with water outlet (19)；

Regeneration valve, the regeneration valve are connect with regeneration instrument board (23), the regeneration instrument board (23) and volume-displacement (22) Connection, the regeneration valve are connect with reversing control valve (13)；

Salt water safety valve (21), the salt water safety valve (21) setting in brine tank (20), the salt water safety valve (21) with Ejector (9) connection, the ejector (9) connect with two water treatment tanks, the ejector (9) also with regenerate instrument board (23) Connection.

2. according to claim 1 a kind of without electric type hydro powered water softening device, it is characterised in that: the water treatment tank includes Column part, the column part upper and lower ends are respectively provided with a dome portion, the column part and dome portion contact portion Position is welded with stainless steel mesh screen (4).

3. according to claim 2 a kind of without electric type hydro powered water softening device, it is characterised in that: upper and lower two described stainless Steel mesh sieves and is filled with ion exchange resin (3) between (4), and the ion exchange resin (3) selects resin with uniform particle.

4. according to claim 1 a kind of without electric type hydro powered water softening device, it is characterised in that: the water treatment tank bottom By reversing control valve (13) connection water inlet, on the pipeline connected between top and volume-displacement (22) and ejector (9) It is equipped with check-valves.

5. according to claim 1 a kind of without electric type hydro powered water softening device, it is characterised in that: the delivery valve and regeneration Valve two sides are equipped with check-valves.

6. according to claim 5 a kind of without electric type hydro powered water softening device, it is characterised in that: the delivery valve and regeneration It is equipped with measurement gear group inside valve, and is symmetrically arranged with two driving levers inside delivery valve and regeneration valve, the driving lever can be The switch of its outside check-valves is controlled in the case where measurement gear group circular motion.

7. according to claim 1 a kind of without electric type hydro powered water softening device, it is characterised in that: the volume-displacement (22) and regeneration instrument board (23) is all made of metering impeller.