CN202280592U - Booster pump and reverse osmosis system applying same - Google Patents
Booster pump and reverse osmosis system applying same Download PDFInfo
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- CN202280592U CN202280592U CN2011203775831U CN201120377583U CN202280592U CN 202280592 U CN202280592 U CN 202280592U CN 2011203775831 U CN2011203775831 U CN 2011203775831U CN 201120377583 U CN201120377583 U CN 201120377583U CN 202280592 U CN202280592 U CN 202280592U
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Abstract
The utility model is suitable for the technical field of production of household pure water treatment equipment, and provides a booster pump and a reverse osmosis system applying the same. The booster pump is used for automatically pressurizing water without electric energy and maintaining running by using the pressure of tap water and recovering pressure energy in reverse osmosis waste water; and a reversing mechanism is used for realizing reversing by driving a valve rod bracket and a valve rod through a driving spring instead of reversing realized by directly driving a valve rod of a control valve through a piston by using the conventional mechanical reversing valve, so that reversing is quick and reliable, and the phenomenon of accidental stop is avoided. The booster pump and the reverse osmosis system applying the same provided by the utility model run without electric power, are green and environmentally-friendly, and can run normally even under a power failure situation; the consumption of raw water is low, the flow ratio of waste water and purified water is kept constant basically, and the consumption of the raw water can be saved; and equipment cost and running cost are quite low, and popularization and use in ordinary households are facilitated.
Description
Technical field
The utility model belongs to family expenses pure water processing equipment production technical field, more particularly, relates to a kind of counter-infiltration system that need not the suction booster of electricity consumption and use this suction booster.
Background technique
Utilize the small reverse osmosis system fabricator more and more general on market with pure water device, what in this system, play function is a super-low voltage reverse-osmosis membrane element, and for reaching the requirement of this membrane component, the former water pressure of its import will be at 4～6Kgf/cm
2Between, but in the most of countries and regions of the China and the world, the pressure of its municipal tap water does not all have so high, therefore, in this mini-system, must have supercharging device to come tap water is carried out getting into reverse osmosis units again after the supercharging.
At present; What the most generally use on the market is a kind of electric diaphragm pump; This pump drives an axial diaphragm pump by a direct current generator and comes tap water boosting; The general installation of whole system is illustrated in fig. 1 shown below, this system comprise reverse osmosis units 100 ' neutralize for the electric booster pump 200 of reverse osmosis units 100 ' supercharging ' and supporting with it power supply adaptor, solenoid valve 300 ', pure water pressurized tank 400 ', MCU controller 500 ', water level sensor 600 ', waste water is than 700 ' (also being the solenoid flow-limiting valve).
Because suction booster by motor driving, can bring following a series of defective thus:
When (1) installing water route and circuit must be installed simultaneously, cause system not only to have the water route but also have circuit, system's control more complicated needs inductor/MCU/ executive component to control the break-make of water route and circuit, and control and installation are all inconvenient, and rate of fault is high;
(2) system's operation needs electric energy, not only is unfavorable for environmental protection, and in a single day this system that has a power failure just can't work;
(3) in service in system, pure water pressurized tank pressure raises gradually, and back pressure increases, and the pure water water-outlet quantity reduces, and wastewater flow is almost constant, therefore causes the former water of specific yield consumption to increase;
(4) cost of system itself and system operation cost are all higher.
So, the supercharging device of this counter-infiltration system replaced with not need power-actuated device be its improvement direction.Yet existing similar non-electric suction booster is such as reciprocal oil hydraulic cylinder, reciprocating air cylinder, membrane pump with pneumatic drive etc.; Be by piston motion near limit position the time in its commutation process; Directly promote the valve rod of control valve through piston; When piston movement speed was very low, the inertia of valve rod was not enough to promote self to cross the neutral position of valve, valve internal current short circuit at this moment or open circuit; Piston does not have pressure to order about its motion, causes entire mechanism to stop and can't turn round thereby be easy to take place to stop steathily phenomenon even stuck.
The model utility content
The utility model technical problem to be solved is to provide a kind of suction booster, is intended to solve that the easy generation of its built-in changement stops phenomenon steathily and problem that suction booster can't be moved, and this suction booster does not need electricity consumption.
For solving the problems of the technologies described above; The technological scheme of the employing of the utility model is: a kind of suction booster is provided, comprises a housing, be the left hydraulic cylinder and the right hydraulic cylinder that are symmetrically set in said housing two ends, be located at the changement between said left hydraulic cylinder and the said right hydraulic cylinder;
Said left hydraulic cylinder is divided into the first left pressure chamber and the second left pressure chamber through a left barrier film, also is provided with a left piston and in the said left hydraulic cylinder and is sheathed on the left hydraulic pressure cylinder sleeve on the said left piston; Said right hydraulic cylinder is divided into the first right pressure chamber and the second right pressure chamber through a right barrier film, also is provided with a right piston in the said right hydraulic cylinder and is sheathed on the right hydraulic pressure cylinder sleeve on the said right piston;
Said changement is located between said left hydraulic cylinder and the said right hydraulic cylinder, and it comprises: two left selector valves that are connected with the second left pressure chamber with the said first left pressure chamber respectively, two right selector valves that are connected with the second right pressure chamber with the said first right pressure chamber respectively, the push rod that valve rod support and can transmit the thrust of said left piston and said right piston;
Said left selector valve and right selector valve are two-position three-way valve, and two said left selector valves and two said right selector valves are located on the said valve rod support and are placed in the left side switching-over valve body respectively and in the right switching-over valve body;
The left and right end of said push rod is plugged on said left piston and the said right piston respectively and section is arranged with a left driving spring and a right driving spring respectively with right section on the left side of said push rod; Said valve rod support is between said left driving spring and right driving spring and can be on said push rod under the driving action of said left driving spring and right driving spring sliding to the left or to the right;
Also be provided with the elastic bolster guide assembly between said housing and the said valve rod support.
Further, said left hydraulic cylinder is surrounded by a left end cap and a left hydraulic pressure cylinder body and forms, and said left hydraulic pressure cylinder body is sheathed on said left hydraulic cylinder and puts, and the left end of said left piston also is provided with a left piston cap; Said right hydraulic cylinder is surrounded by a right end cap and a right hydraulic pressure cylinder body and forms, and said right hydraulic pressure cylinder body is sheathed on said right hydraulic cylinder and puts, and the right-hand member of said right piston also is provided with a right piston cap.
Particularly, said left barrier film is pressed through a left barrier film pressure ring and is located on the said left hydraulic pressure cylinder body, and said left barrier film is pressed through a right barrier film pressure ring and is located on the said right hydraulic pressure cylinder body.
Particularly; Said elastic bolster guide assembly is made as two covers; Each said elastic barrier assembly comprises a roller, an active block stop, an elastic member and a gland; Two said rollers are located on the said valve rod support and are laid respectively at the upper and lower of said push rod, and said active block stop and said roller lean, and said gland is located on the said housing and with said elastic member and is pressed on the said active block stop.
Further, be provided with one first left seal ring between said left hydraulic pressure cylinder body and the said left end cap, be provided with one first right seal ring between said right hydraulic pressure cylinder body and the said right end cap; Be provided with one second left seal ring between said left piston and the said left hydraulic pressure cylinder sleeve, be provided with one second right seal ring between said right piston and the said right hydraulic pressure cylinder sleeve.
The beneficial effect of the suction booster that the utility model provides is: the pressure of the utility model suction booster through utilizing tap water itself with reclaim in the reverse osmosis waste water pressure can, automatically to the water pressurization and keep self operation.Its changement is realized commutating replacing in the traditional design through driving spring promotion valve rod support and valve rod and is realized commutating through the direct valve rod that promotes control valve of piston itself; Like this in the left and right reciprocal cyclic motion process of piston; Because at valve rod support movement process is to be driven by the left and right driving spring force, even left and right piston does not move, energy stored is enough to also to continue to order about that the valve rod support backs down the elastic barrier assembly and the neutral position of crossing valve in the driving spring compression process; Reach the purpose of selector valve switching-over; And this commutation process is very fast, and is also very very reliable, avoided stopping steathily the generation of phenomenon fully; As long as suitable hydraulic condition is arranged, whole suction booster mechanism is with regard to the driving that need not motor and through the mechanical pressure of water the operation of suction booster is kept down automatically.
The utility model technical problem to be solved also is a kind of counter-infiltration system is provided, and being intended to solve its supercharging device needs electricity consumption and bring and both existed the water route to exist circuit to cause that system control is complicated, cost is high in the system and problem such as not environmental protection.
For solving the problems of the technologies described above; The technological scheme of the employing of the utility model is: a kind of counter-infiltration system is provided; This counter-infiltration system comprises a reverse osmosis units and a supercharging device; Said supercharging device is above-mentioned described suction booster; The first left pressure chamber of said suction booster is connected with the water inlet of original water inlet and said reverse osmosis units through a said left selector valve; The second left pressure chamber of said suction booster is connected with the wastewater outlet of said reverse osmosis units and the drain opening of system through another said left selector valve, and the first right pressure chamber of said suction booster is connected with the water inlet of original water inlet and said reverse osmosis units through a said right selector valve, and the second right pressure chamber of said suction booster is connected with the wastewater outlet of said reverse osmosis units and the drain opening of system through another said right selector valve.
Further, former water gets on the pipeline of said suction booster and also is provided with a pressure-limit valve.
Further, also comprise a pure water pressurized tank and a three-way pipe, three ports of said three-way pipe are connected with the pure water outlet of said reverse osmosis units, said pure water pressurized tank, water tap respectively.
Further; Also comprise a voltage-controlled four-sided valve; First water intake, first water outlet of said voltage-controlled four-sided valve are connected with said original water inlet, said pressure-limit valve respectively, and second water intake of said voltage-controlled four-sided valve, second water outlet link to each other with the pure water outlet of said reverse osmosis units, said three-way pipe respectively.
Further, also be provided with fore filter between said original water inlet and the said voltage-controlled four-sided valve, also be provided with post-filter between said three-way pipe and the said water tap.
The beneficial effect of the counter-infiltration system that the utility model provides is: the supercharging device of the utility model counter-infiltration system adopts pressure and the suction booster of automatic continuous operation of above-mentioned described water body capable of using itself; Need electric energy be provided to it; As long as the intake pressure of former water just can make whole counter-infiltration system normal operation greater than 0.1MPa; So the initial installation of whole counter-infiltration system only need be installed the water route, and only need control the break-make in water route, avoided the use of inductor/MCU/ executive component etc. through a voltage-controlled valve; The not only installation of system and control fairly simplely and reduces rate of breakdown greatly; Secondly, the operation of whole counter-infiltration system does not need electric power, and very environmental protection is even also can run well under situation about having a power failure; Moreover the former water consumption of this counter-infiltration system is less, and the flow proportional of waste water and purified water is kept constant basically, thereby can practice thrift the consumption of former water; At last, the cost of cost of this counter-infiltration system own and running is all lower, very helps in common family, promoting the use of.
Description of drawings
Fig. 1 is the theory structure schematic representation of existing counter-infiltration system;
The theory structure schematic representation of the counter-infiltration system that Fig. 2 provides for the utility model embodiment;
The decomposition texture schematic representation of the suction booster that Fig. 3 provides for the utility model embodiment;
The vertical sectional structure schematic representation of the center line longitudinally of the suction booster that Fig. 4 the utility model embodiment provides;
The horizontal sectional structure schematic representation of the center line longitudinally of the suction booster that Fig. 5 the utility model embodiment provides;
The perspective view of the suction booster that Fig. 6 the utility model embodiment provides;
The structural representation of changement in the suction booster that Fig. 7 the utility model embodiment provides;
The suction booster running principle schematic representation that Fig. 8 provides for the utility model embodiment;
The running principle schematic representation one of the counter-infiltration system that Fig. 9 provides for the utility model embodiment;
The running principle schematic representation two of the counter-infiltration system that Figure 10 provides for the utility model embodiment.
Embodiment
In order to make the utility model technical problem to be solved, technological scheme and beneficial effect clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Please in the lump with reference to Fig. 3 to Fig. 7 and Fig. 9, the existing suction booster that the utility model is provided describes.
At first see also Fig. 3; Said suction booster comprises housing 10, left hydraulic cylinder 20 and right hydraulic cylinder 30, changement 4; Said left hydraulic cylinder 20 is just the same with right hydraulic cylinder 30 structures and size, be symmetrically set in said housing 10 two ends, said changement 4 is located between said left hydraulic cylinder 20 and the right hydraulic cylinder 30;
Said left hydraulic cylinder 20 is divided into the first left pressure chamber 201 and the second left pressure chamber 202 through left barrier film 23, also is provided with left piston 24 in the said left hydraulic cylinder 20 and is sheathed on the left hydraulic pressure cylinder sleeve 26 on the said left piston 24; Symmetrical with the structure in the said left hydraulic cylinder 20; Said right hydraulic cylinder 30 is divided into the first right pressure chamber 301 and the second right pressure chamber 302 through right barrier film 33, also is provided with right piston 34 in the said right hydraulic cylinder 30 and is sheathed on the right hydraulic pressure cylinder sleeve 36 on the said right piston 34;
See also Fig. 3 to Fig. 5 and Fig. 7 again, reach Fig. 9; Said changement 4 is located in the said housing 10 and between said left hydraulic cylinder 20 and said right hydraulic cylinder 30, this changement 4 comprises: the right selector valve of two left selector valves 401, two 402, valve rod support 42 and push rod 43; Two left selector valves 401 are connected with the second left pressure chamber 202 with the said first left pressure chamber 201 respectively, and two right selector valves 402 are connected with the second right pressure chamber 302 with the said first right pressure chamber 301 respectively; Said left selector valve 401 is a two-position three-way valve with right selector valve 402; Can be shuttle valve; Also can be ball valve, the valve rod 411 of two left selector valves 401 and the valve rod 412 of two right selector valves 402 are located on the said valve rod support 42 and are placed respectively in left side switching-over valve body 441 interior and right switching-over valve bodies 442; Certainly, after each hydraulic cylinder connects respectively at corresponding selector valve, again be located at housing 10 on the extraneous interface 101 that leads to be connected;
The left and right end of said push rod 43 is plugged in respectively on said left piston 24 and the said right piston 34; This push rod 43 can carry out the thrust transmission between said left piston 24 and said right piston 34; And section is arranged with left driving spring 451 and right driving spring 452 respectively with right section on the left side of said push rod 43; Said valve rod support 42 and can slide on said push rod 43 under the driving action of left driving spring 451 and right driving spring 452 between said left driving spring 451 and right driving spring 452 to the left or to the right; The right driving spring 452 of compression in left driving spring 451 of compression in left piston 24 motions or 34 motions of right piston, thus give valve rod support 42 with Driving force, and left and right piston does not directly promote valve rod support 42;
Also be provided with elastic bolster guide assembly 46 between said housing 10 and the said valve rod support 42.
The suction booster that the utility model provides can utilize the pressure of tap water itself and reclaim the pressure ability in the reverse osmosis waste water, automatically water is pressurizeed; Concrete running is: see also Fig. 8, when in the first left hydraulic cylinder 201, injecting water from the external world, produce hydraulic pressure left piston 24 is produced thrust to the right and it is moved to the right; Right piston 34 also moves right together under the impetus of push rod 43 simultaneously, because valve rod support 42 is to be to slide to be located on the push rod 43, does not move so valve rod support 42 is not followed push rod 42; See Fig. 8 a, when left piston 24 had just begun to move, the decrement of left driving spring 451 was very little; The elastic force that produces is not enough to let valve rod support 42 with elastic bolster guide assembly 46 jack-up upwards; Can't overcome the barrier force of 46 pairs of valve rod supports 42 of elastic bolster guide assembly, in this stage, valve rod support 42 and selector valve valve rod provided thereon keep motionless; The direction of the current in the suction booster remains unchanged, and left piston 24 continues motion forward; Left side driving spring 25 continues to be compressed, and sees Fig. 8 b; When left piston 24 moves to certain position and when making left driving spring 24 decrements enough big; The elastic force that its elastic potential energy of accumulating release is produced is enough to order about valve rod support 42 and pushes elastic bolster guide assembly 46 open; And move to the opposite side of elastic bolster guide assembly 46, and drive the neutral position that each valve rod moves together and crosses selector valve simultaneously, accomplish the current switching-over; Until the limit on the right-right-hand limit position that arrives valve rod support 42, see Fig. 8 c; After selector valve was accomplished switching-over, current side changed, and right piston 34 begins pushing away push rod 43 and left piston 24 is moved to the left, and the aforementioned process that is moved to the left of its running is identical, and is just in the opposite direction; In the left and right reciprocal cyclic motion process of piston; Owing to drive by the left and right driving spring force at valve rod support 42 movement processes; Even left and right piston does not move, energy stored is enough to also to continue to promote that valve rod support 42 is pushed elastic barrier assembly 46 open and the neutral position of crossing valve in the driving spring compression process, and this commutation process is very fast; Also very very reliable; Avoided fully stopping the generation of phenomenon steathily, as long as suitable hydraulic condition is arranged, whole suction booster mechanism is with regard to the driving that need not motor and through the mechanical pressure of water the operation of suction booster is kept down automatically.
Further; See also Fig. 3 to Fig. 5; A kind of embodiment of the suction booster that provides as the utility model; Said left hydraulic cylinder 20 is surrounded by left end cap 21 and left hydraulic pressure cylinder body 22 and forms, and said left hydraulic pressure cylinder body 22 is sheathed on the left hydraulic pressure cylinder sleeve 26, and the left end of said left piston 24 is provided with left piston cap 25; Symmetrical with the structure in the said left hydraulic cylinder 20, said right hydraulic cylinder 30 is surrounded by right end cap 31 and right hydraulic pressure cylinder body 32 and forms, and said right hydraulic pressure cylinder body 32 is sheathed on the right hydraulic pressure cylinder sleeve 36, and the right-hand member of said right piston 34 also is provided with right piston cap 35.In this mode of execution, hydraulic cylinder directly surrounds through end cap and hydraulic pressure cylinder body and forms, and reaches the purpose of saving material; Piston cap is set on the piston, constitutes piston assembly jointly, can strengthen the area of contact of whole piston assembly and barrier film on the one hand by both; Make barrier film stressed be distributed on the surface of barrier film as far as possible; Thereby play the effect of protection barrier film, on the other hand, for one-body molded; Be more convenient for piston is made hollow-core construction, reach economical with materials and the effect that alleviates weight of equipment.
Further; See also the arbitrary diagram of Fig. 3 to Fig. 5; A kind of embodiment of the suction booster that provides as the utility model; Said left barrier film 23 is pressed through left barrier film pressure ring 27 and is located on the said left hydraulic pressure cylinder body 22, and said left barrier film 33 is pressed through right barrier film pressure ring 37 and is located on the said right hydraulic pressure cylinder body 32.This COMPRESSIONTYPE means of fixation makes barrier film be located at firmly on the hydraulic pressure cylinder body, and is high to the tolerance level of pressure, difficult drop-off.
Further; See also Fig. 3 and Fig. 4; A kind of embodiment of the suction booster that provides as the utility model; Said elastic bolster guide assembly 46 is made as two covers, and each said elastic barrier assembly 46 comprises that roller 461, active block stop 462, elastic member 463 and gland 464, two said rollers 461 are located on the said valve rod support 43 and lay respectively at the upper and lower of said push rod 43; Said active block stop 462 leans with said roller 461, and said gland 464 is located on the said housing 10 and with said elastic member 462 and is pressed on the said active block stop 462.In this mode of execution, elastic member 463 preferred compressed springs also can be selected spring sheet, high-elastic rubber parts etc. for use; Two rollers 461 are installed on the valve rod support 42, and valve rod support 42 is run into and pushed stopping of two active block stops 462 being located on housing 10 at the impetus bottom roller 461 of driving spring when side-to-side movement; Because active block stop 462 is withstood in the elastic force effect of spring section 463; Valve rod support 42 must obtain enough thrust, could active block stop 462 be pushed open, and move to the opposite side of active block stop 462; This project organization is ingenious rationally, makes the switching-over of changement be swift in motion reliably.
Further; See also Fig. 3; A kind of embodiment of the suction booster that provides as the utility model; Be provided with the first left seal ring 28 between said left hydraulic pressure cylinder body 22 and the said left end cap 21, be provided with the first right seal ring 38 between said right hydraulic pressure cylinder body 32 and the said right end cap 31, between end cap and hydraulic pressure cylinder body, play of the effect of anti-sealing to the outside seepage of the pump housing; Be provided with the second left seal ring 29 between said left piston 24 and the said left hydraulic pressure cylinder sleeve 26; Be provided with the second right seal ring 39 between said right piston 34 and the said right hydraulic pressure cylinder sleeve 36, between piston and hydraulic pressure cylinder sleeve, to play of the effect of anti-sealing to pump housing internal leak.In this mode of execution; First left seal ring 28, second left seal ring 29, the first right seal ring 38 and the second right seal ring 39 first-selected rubber parts; Certainly, between piston and the said hydraulic pressure cylinder sleeve, other sealing means can also be arranged between end cap and the hydraulic pressure cylinder body, as through the sealer sealing; But its sealing effect and working life are all good not as good as seal ring, also are unfavorable for installation and dismounting between the member.
In addition, see also the arbitrary diagram of Fig. 3 to Fig. 6, a kind of embodiment of the suction booster that provides as the utility model, the below of said housing 10 also is provided with a base 110.So that the installation of the pump housing and placement.
The utility model also provides a kind of counter-infiltration system.See also Fig. 2, Fig. 9 and Figure 10; It is described at present; Said counter-infiltration system comprises reverse osmosis units 100 and supercharging device 200; Said supercharging device 200 is above-mentioned described suction booster; The first left pressure chamber 201 of said suction booster is connected with the water inlet 101 of original water inlet 111 and said reverse osmosis units 100 through a said left selector valve 401; The second left pressure chamber 202 of said suction booster is connected with the wastewater outlet 103 of said reverse osmosis units 100 and the drain opening 222 of system through another said left selector valve 401; The first right pressure chamber 301 of said suction booster is connected with the water inlet 101 of original water inlet 111 and said reverse osmosis units 100 through a said right selector valve 402, and the second right pressure chamber 302 of said suction booster is connected with the wastewater outlet 103 of said reverse osmosis units 100 and the drain opening 222 of system through another said right selector valve 402.Because selector valve is the OR-gate type valve of two-bit triplet; So each pressure chamber is connected with two mouths of a river through selector valve; But can only communicate with one of them mouth of a river in the same time; Be connected with the wastewater outlet 103 of said reverse osmosis units 100 and the drain opening 222 of system through another said left selector valve 401 like the second left pressure chamber 202, still at one time in, the second left pressure chamber 202 or communicate with the wastewater outlet 103 of reverse osmosis units 100; Communicate with the drain opening 222 of system, rather than communicate simultaneously.
The counter-infiltration system that the utility model provides; Its supercharging device 200 is the suction booster of the automatic continuous operation of pressure of above-mentioned described water body capable of using itself; Need electric energy be provided, as long as the intake pressure of former water just can make system's proper functioning greater than 0.1MPa, so initial installation of system only needs to install the water route to it; And only need control the break-make in water route through a voltage-controlled valve; Avoided the use of inductor/MCU/ executive component etc., the not only installation of system and control fairly simplely and reduces rate of breakdown greatly; The operation of whole counter-infiltration system does not need electric power, and very environmental protection is even also can run well under situation about having a power failure; Moreover the former water consumption of this counter-infiltration system is less, and the flow proportional of waste water and purified water is kept constant basically, thereby can practice thrift the consumption of former water; At last, the cost of cost of this counter-infiltration system own and running is all lower, very helps in common family, promoting the use of.
Suction booster is connected with reverse osmosis units; See also Fig. 2, Fig. 9 and Figure 10; Four independently hydraulic pressure chamber (i.e. first left pressure chamber 201, second left pressure chamber 202, first right pressure chamber 301, the second right pressure chamber 302) be connected with four motor-driven two-position three-way valves (promptly two left selector valve 401 with two right selector valves 402) respectively, receive at last on the drain opening 222 of water inlet 101, wastewater outlet 103, original water inlet 111 and system of reverse osmosis units 100.Its working procedure is specified as follows at present:
Along with the generation of pure water, under the pressure effect of Yuan Shui (being tap water), left and right piston moves right; Former water gets in the first left pressure chamber 201, discharges waste water with the mode near zero pressure in the second left pressure chamber 202, and the former water in the first right pressure chamber 301 gets into reverse osmosis units 100; The high pressure waste water of reverse osmosis units 100 flows in the second right pressure chamber 302, and in a certain position near limit on the right-right-hand limit, the valve rod of four shuttle valves is under the effect of spring accumulated pressure; Move right, switching-over is accomplished in whole water route, after the switching-over; Former water pressure driven plunger again is moved to the left, and former water gets in the first right pressure chamber 301, and the second right pressure chamber 302 is discharged waste water with the mode near zero pressure; Former water in the first left pressure chamber 201 gets into reverse osmosis units 100, and the high pressure waste water of reverse osmosis units 100 flows in the second left pressure chamber 202, near arrival limit on the left position; Shuttle valve commutates again, thereby accomplishes a work cycle.
Referring to Fig. 9 and Figure 10, below through calculating the pure water production capacity that the utility model counter-infiltration system is described.
The first left pressure chamber 201 is connected with original water inlet 111, and its pressure is P
0The second left pressure chamber 202 is connected to the drain opening 222 of system, and pressure is 0 basically; The second right pressure chamber 302 is connected to the wastewater outlet 103 of reverse osmosis units 100, and pressure is P
2The first right pressure chamber 301 is connected to the water inlet 101 of reverse osmosis units 100, and pressure is P
1
For left and right barrier film, its calculation of pressure can characterize with equivalent aera S, and approx, S can use computes: S=π * (D
2+ d
1 2)/8; (wherein D is internal diameter, the d of left hydraulic pressure cylinder body 22 or right hydraulic pressure cylinder body 32
1External diameter, d that piston cap 35 is perhaps arranged for left piston cap 25
2External diameter for left piston 24 or right piston 34) pressure area of the first left pressure chamber 201 and the first right pressure chamber 301: S
201=S
301=S;
The pressure area of the second left pressure chamber 202 and the second right pressure chamber 303: S
202=S
302=S-π * d
2 2/ 4;
The original state that moves to right with piston is an example:
Because current are through reverse osmosis units 100, the loss of pressure is very little, ignores loss wherein, supposes P
1=P
2So=P is F
2=P * π * d
2 2/ 4;
If disregard the frictional force in the piston motion process, F under the state of equilibrium
1=F
2, P
0* S=P * π * d
2 2/ 4;
Theoretic pressure ratio: R
P=P/P
0=4 * S/ (π * d
2 2);
Suppose in original state, the left and right piston distance X that moved right,
Flow into the raw water flow (stereometer) of reverse osmosis units 100 water inlets: S
201* X=S * X;
Flow out the wastewater flow (stereometer) of reverse osmosis units 100 wastewater outlets:
S
302×X＝(S-π×d
2 2/4)×X；
Pure water flow: S
201* X-S
302* X=(S
201-S
302) * X=π * d
2 2* X/4;
Theoretic waste water/pure water ratio:
R
W＝(S-π×d
2 2/4)/(π×d
2 2×X/4)＝4×S/(π×d
2 2)-1＝R
P-1；
The frequency of okperation of supposing reciprocating motion of the pistons is f (the following/minute meter), and piston stroke is L; Theoretic pure water production capacity: V=(π * d
2 2/ 4) * 2 * F * L=π * d
2 2* f * L/2;
In fact, owing to have frictional force in the process of piston motion and water flows, the control valve switching-over also will consume the thrust of part, and therefore, actual pressure ratio is than R
PLittle.Leak in control valve switching-over moment existence, whole device is also wanted slight leakage, and therefore actual waste water ratio is than R
WGreatly, pure water output is lower than V.
Specific embodiment calculates:
In the design of a specific embodiment, the relevant parameter value is following:
D=5cm; d
1=3.8cm; d
2=2.5cm; F=30 time/minute; L=1.2cm;
Calculate: S=15.5cm
2R
P=3.15; R
W=2.15; V=350ml/ minute (being equivalent to 130 gallons per days approximately);
If running water inlet pressure reaches 1.5Kgf/cm
2, can reach 4.7Kgf/cm through pressure after the supercharging
2, no matter pressure still is flow all can be satisfied the standard reverse-osmosis membrane element that drives specified water yield 50 gallons per days or 100 gallons per days.
Further, see also Fig. 2, a kind of embodiment of the counter-infiltration system that provides as the utility model, former water gets on the pipeline of said suction booster and also is provided with a pressure-limit valve 300.In this mode of execution, limit control, so that suction booster operates steadily and suction booster inside is played a protective role through the hydraulic pressure that 300 pairs of entering suction boosters of pressure-limit valve are set.
Further; See also Fig. 2 again; A kind of embodiment of the counter-infiltration system that provides as the utility model; Also comprise pure water pressurized tank 400 and three-way pipe 500, three ports of said three-way pipe 500 are connected with pure water outlet 102, said pure water pressurized tank 400, the water tap 900 of said reverse osmosis units 100 respectively.Like this; Store from this pure water pressurized tank 400 of the pure water that comes out inflow of said reverse osmosis units 100, water tap 900 is communicated with pure water pressurized tank 400 through three-way pipe 500 again, when water tap 900 outwards discharges water; The hydraulic pressure of pure water pressurized tank 400 the insides just can reduce thereupon; When hydraulic pressure reduces to certain degree,, continue to produce pure water and enter into the 400 additional and storages of pure water pressurized tank just the meal osmosis system can make its running through being provided with like devices such as voltage-controlled valves.
Further; Also see also Fig. 2; A kind of embodiment of the counter-infiltration system that provides as the utility model; Also comprise voltage-controlled four-sided valve 600, first water intake 601 of said voltage-controlled four-sided valve 600, first water outlet 602 are connected with said original water inlet 111, said pressure-limit valve 300 respectively, and second water intake 603 of said voltage-controlled four-sided valve 600, second water outlet 604 link to each other with pure water outlet 102, the said three-way pipe 500 of said reverse osmosis units 100 respectively.Voltage-controlled four-sided valve 600 can lean on the mechanical pressure control water inlet and outlet of tap water and pure water according to its passage of movable sealing through the variation of the water flow pressure in its water inlet and outlet passage; In this mode of execution, according to the hydraulic pressure in the pure water pressurized tank 400 current that get into reverse osmosis units 100 are controlled automatically, need not be connect power supply, still can let system's proper functioning under the power down mode through voltage-controlled four-sided valve 600 is set; Because the application of this four-sided valve, the system that makes has removed lower pressure switch, scouring electromagnetic valve, entering water electromagnetic valve, has avoided system because the problem that electronic device fault machine can't move greatly reduces rate of breakdown, has reduced cost simultaneously.
Further; Still see also Fig. 2; A kind of embodiment of the counter-infiltration system that provides as the utility model; Also be provided with fore filter 700 between said original water inlet 111 and the said voltage-controlled four-sided valve 600, also be provided with post-filter 800 between said three-way pipe 500 and the said water tap 900.Particularly, for increasing the effect of preposition filtration, fore filter 700 can comprise a cotton filter 701 of a PP and an activated carbon filter 702.Wherein, the cotton filter 701 of PP is as primary filter, can remove particulate matter impurity such as silt in the tap water, iron rust, and the cotton filter core of its PP has long service life, advantages of cheap price; And activated carbon filter 702 can adsorb the chlorine residue that prime can't remove in filtering and receives its oxidative degradation to prevent a back level reverse osmosis membrane; Also adsorb simultaneously from prime and leak the pollutants such as small organic molecule of coming, peculiar smell, colloid and pigment, heavy metal ion etc. in the water are had more significantly adsorb the removal effect.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. suction booster is characterized in that: comprise a housing, be the left hydraulic cylinder and the right hydraulic cylinder that are symmetrically set in said housing two ends, be located at the changement between said left hydraulic cylinder and the said right hydraulic cylinder;
Said left hydraulic cylinder is divided into the first left pressure chamber and the second left pressure chamber through a left barrier film, also is provided with a left piston and in the said left hydraulic cylinder and is sheathed on the left hydraulic pressure cylinder sleeve on the said left piston; Said right hydraulic cylinder is divided into the first right pressure chamber and the second right pressure chamber through a right barrier film, also is provided with a right piston in the said right hydraulic cylinder and is sheathed on the right hydraulic pressure cylinder sleeve on the said right piston;
Said changement is located between said left hydraulic cylinder and the said right hydraulic cylinder, and it comprises: two left selector valves that are connected with the second left pressure chamber with the said first left pressure chamber respectively, two right selector valves that are connected with the second right pressure chamber with the said first right pressure chamber respectively, the push rod that valve rod support and can transmit the thrust of said left piston and said right piston;
Said left selector valve and right selector valve are two-position three-way valve, and two said left selector valves and two said right selector valves are located on the said valve rod support and are placed in the left side switching-over valve body respectively and in the right switching-over valve body;
The left and right end of said push rod is plugged on said left piston and the said right piston respectively and section is arranged with a left driving spring and a right driving spring respectively with right section on the left side of said push rod; Said valve rod support is between said left driving spring and right driving spring and can be on said push rod under the driving action of said left driving spring and right driving spring sliding to the left or to the right;
Also be provided with the elastic bolster guide assembly between said housing and the said valve rod support.
2. suction booster according to claim 1 is characterized in that: said left hydraulic cylinder is surrounded by a left end cap and a left hydraulic pressure cylinder body and forms, and said left hydraulic pressure cylinder body is sheathed on said left hydraulic cylinder and puts, and the left end of said left piston also is provided with a left piston cap; Said right hydraulic cylinder is surrounded by a right end cap and a right hydraulic pressure cylinder body and forms, and said right hydraulic pressure cylinder body is sheathed on said right hydraulic cylinder and puts, and the right-hand member of said right piston also is provided with a right piston cap.
3. suction booster according to claim 2 is characterized in that: said left barrier film is pressed through a left barrier film pressure ring and is located on the said left hydraulic pressure cylinder body, and said left barrier film is pressed through a right barrier film pressure ring and is located on the said right hydraulic pressure cylinder body.
4. according to each described suction booster of claim 1 to 3; It is characterized in that: said elastic bolster guide assembly is made as two covers; Each said elastic barrier assembly comprises a roller, an active block stop, an elastic member and a gland; Two said rollers are located on the said valve rod support and are laid respectively at the upper and lower of said push rod, and said active block stop and said roller lean, and said gland is located on the said housing and with said elastic member and is pressed on the said active block stop.
5. suction booster according to claim 4 is characterized in that: be provided with one first left seal ring between said left hydraulic pressure cylinder body and the said left end cap, be provided with one first right seal ring between said right hydraulic pressure cylinder body and the said right end cap; Be provided with one second left seal ring between said left piston and the said left hydraulic pressure cylinder sleeve, be provided with one second right seal ring between said right piston and the said right hydraulic pressure cylinder sleeve.
6. counter-infiltration system; Comprise a reverse osmosis units and a supercharging device; It is characterized in that: said supercharging device is each described suction booster of claim 1 to 5; The first left pressure chamber of said suction booster is connected with the water inlet of original water inlet and said reverse osmosis units through a said left selector valve; The second left pressure chamber of said suction booster is connected with the wastewater outlet of said reverse osmosis units and the drain opening of system through another said left selector valve; The first right pressure chamber of said suction booster is connected with the water inlet of original water inlet and said reverse osmosis units through a said right selector valve, and the second right pressure chamber of said suction booster is connected with the wastewater outlet of said reverse osmosis units and the drain opening of system through another said right selector valve.
7. counter-infiltration system according to claim 6 is characterized in that: former water gets on the pipeline of said suction booster and also is provided with a pressure-limit valve.
8. counter-infiltration system according to claim 7 is characterized in that: also comprise a pure water pressurized tank and a three-way pipe, three ports of said three-way pipe are connected with the pure water outlet of said reverse osmosis units, said pure water pressurized tank, water tap respectively.
9. counter-infiltration system according to claim 8; It is characterized in that: also comprise a voltage-controlled four-sided valve; First water intake, first water outlet of said voltage-controlled four-sided valve are connected with said original water inlet, said pressure-limit valve respectively, and second water intake of said voltage-controlled four-sided valve, second water outlet link to each other with the pure water outlet of said reverse osmosis units, said three-way pipe respectively.
10. counter-infiltration system according to claim 9 is characterized in that: also be provided with fore filter between said original water inlet and the said voltage-controlled four-sided valve, also be provided with post-filter between said three-way pipe and the said water tap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203775831U CN202280592U (en) | 2011-09-28 | 2011-09-28 | Booster pump and reverse osmosis system applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203775831U CN202280592U (en) | 2011-09-28 | 2011-09-28 | Booster pump and reverse osmosis system applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202280592U true CN202280592U (en) | 2012-06-20 |
Family
ID=46226762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203775831U Withdrawn - After Issue CN202280592U (en) | 2011-09-28 | 2011-09-28 | Booster pump and reverse osmosis system applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202280592U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330648A (en) * | 2011-09-28 | 2012-01-25 | 深圳市莱德士科技有限公司 | Boosting pump and reverse osmosis system using same |
| CN105443336A (en) * | 2015-12-04 | 2016-03-30 | 安徽千一智能设备股份有限公司 | Pressurizing device, pressure stabilizing system using same and pressure stabilizing method |
| CN107572631A (en) * | 2016-07-04 | 2018-01-12 | 伊腾科技有限公司 | Water process energy saver |
| CN108757377A (en) * | 2018-07-06 | 2018-11-06 | 龙口利佳电气有限公司 | A kind of water purifier booster pump and supercharging water supply system and boosting method |
-
2011
- 2011-09-28 CN CN2011203775831U patent/CN202280592U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330648A (en) * | 2011-09-28 | 2012-01-25 | 深圳市莱德士科技有限公司 | Boosting pump and reverse osmosis system using same |
| CN102330648B (en) * | 2011-09-28 | 2014-10-22 | 深圳市莱德士科技有限公司 | Boosting pump and reverse osmosis system using same |
| CN105443336A (en) * | 2015-12-04 | 2016-03-30 | 安徽千一智能设备股份有限公司 | Pressurizing device, pressure stabilizing system using same and pressure stabilizing method |
| CN107572631A (en) * | 2016-07-04 | 2018-01-12 | 伊腾科技有限公司 | Water process energy saver |
| CN107572631B (en) * | 2016-07-04 | 2020-08-04 | 伊腾科技有限公司 | Energy-saving device for water treatment |
| CN108757377A (en) * | 2018-07-06 | 2018-11-06 | 龙口利佳电气有限公司 | A kind of water purifier booster pump and supercharging water supply system and boosting method |
| CN108757377B (en) * | 2018-07-06 | 2021-03-30 | 龙口利佳电气有限公司 | Water purifier booster pump, booster water supply system and boosting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120620 Effective date of abandoning: 20141022 |
|
| RGAV | Abandon patent right to avoid regrant |