CN202387376U - Rotary valve type energy recycling unit device - Google Patents
Rotary valve type energy recycling unit device Download PDFInfo
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- CN202387376U CN202387376U CN 201120513456 CN201120513456U CN202387376U CN 202387376 U CN202387376 U CN 202387376U CN 201120513456 CN201120513456 CN 201120513456 CN 201120513456 U CN201120513456 U CN 201120513456U CN 202387376 U CN202387376 U CN 202387376U
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Abstract
The utility model provides a rotary valve type energy recycling unit device, which comprises 4 one-way valves, a group of two pressure exchange pipes and a four-way rotary valve. The 4 one-way valves are divided into two groups and respectively installed on one side of the pressure exchange pipes, and the other side of the pressure exchange pipes is connected with the four-way rotary valve. The energy recycling unit device can adopt one group or a plurality of groups of exchange pipes according to requirements, and the four-way rotary valve can be overlapped. The rotary valve type energy recycling unit device is simple in structure and long in service life and has high practical value.
Description
Technical field
The utility model relates to a kind of rotary valve energy recycle device.
Technical background
Reverse osmosis technology belongs to pressure-actuated membrane separation technique, and the semipermeable membrane that adopts in its process operation is organically kept apart fresh water and concentrated seawater, under the effect of high pressure, the fresh water in seawater or the bitter is carried out separating process.Operating pressure is generally between 5.0～7.0MPa in China's reverse osmosis seawater desalting engineering, and the pressure of the concentrated seawater that from film group device, discharges is still up to 4.8～6.8MPa.If the water rate of recovery according to common 40% is calculated, 60% feed pressure energy is arranged in the concentrated seawater approximately, have huge recovery value and meaning.
Energy recycle device based on reverse osmosis seawater desalination system mainly contains water turbine type, differential pressure crossover and isobaric crossover at present.These three kinds of designs, the agent structure of its energy exchange all adopts comparatively complicated motion parts.In addition, water turbine type energy recycle device efficient is on the low side, and general energy recovery efficiency is between 40%～70%; It is less than normal that differential pressure crossover energy recycle device is handled flow, is not suitable for large scale system; Isobaric crossover energy recycle device efficient has become the emphasis of domestic and international research and extension at present up to more than 94%.
Chinese patent ZL98809685.4 has announced a kind of pressure exchanger, and this pressure exchanger receives the restriction of volume of rotating speed and the rotor channel of rotor, and the treating capacity of separate unit PX is less; Next adopts rotor channel that the entity piston is not set to carry out mixing of insulating sea water and concentrated seawater, and mixer has been sacrificed the volume of rotor channel about 50%, and the high pressure sea water salinity after the supercharging simultaneously increases, and then improves the operating pressure of system; Can influence rotor speed during last changes in flow rate, cause system's fluctuation of service, and a large amount of noise severe contaminations that send in the rotor operation process surrounding enviroment.
Two pressure vessel merit positive energy exchange recovers (DWEER) of Switzerland CALDER AG company, its LinX valve of carrying out the concentrated seawater guiding adopts the oil pressure guide to drive, and not only will dispose an independently oil hydraulic system for this reason, and leakage of oil easily, pollution of marine environment.
Chinese patent 200510014295.9 discloses a kind of energy-saving reverse osmosis seawater/brackish water desalination process and device; Its energy recycle device partly adopts two pressure-exchange pipe two ends to connect two transfer valve patterns; Two transfer valves all adopt rotating shaft to drive valve core rotation, and there is a control difficult problem in it, and difficult realization opens and closes automatically function; The control of two ends control system, synchronism are difficult to guarantee.
Chinese patent 200910243806.2 discloses a kind of energy recovery type reverse osmosis process and energy recycle device thereof, and this energy recycle device mainly is made up of two pressure vessels, 8 magnetic valves and a circulating pump.It adopts the magnetic valve switching-over, because switching frequency is higher, the magnetic valve life-span is short, and fragile, system complex is all controlled at the pressure vessel two ends.This device needs the control system of more complicated, switches between the moment magnetic valve and can not form the reliable mechanical interlocking each other, the high pressure relief phenomenon very easily occurs, and then causes counter-infiltration system pressure and flow big fluctuation to occur, and practical application is restricted.
Summary of the invention
The utility model technical problem to be solved provides a kind of structure and the simple rotary valve energy recovery unit device of control.The utility model adopts following technical scheme for this reason:
It comprises a pressure-exchange pipe group, and said pressure-exchange pipe group has two pressure-exchange pipes, and said pressure-exchange pipe group is set the straight line guiding valve of 4 check valves and 1 3-position 4-way; Every each built-in free-piston of pressure-exchange pipe, and the pressure-exchange pipe is divided into two working chambers is respectively to be transferred the fluid operating chamber and energy reclaims the fluid operating chamber;
Said four one way stop peturn valves are split two groups, two groups of check valves in the opposite direction, and wherein one group of check valve is as the low-pressure fluid inlet valve of energy recycle device; Another group check valve is as the high pressure outlet valve of energy recycle device, and the fluid operating chamber that is transferred of each pressure-exchange pipe links to each other with one of them high pressure outlet valve with one of them low-pressure fluid inlet valve;
Said rotary valve energy recovery unit device is provided with the four-way rotary valve; Said four-way rotary valve is provided with and is exclusively used in into water inlet, the delivery port that is exclusively used in water outlet and two intake-outlets of water, and two intake-outlets of said four-way rotary valve reclaim the fluid operating chamber with the energy of two pressure-exchange pipes respectively and are connected;
Said four-way rotary valve comprises valve body and rotary spool; Said rotary spool is driven through reducing gear by drive motors;
Said valve body is equipped with first fluid passage, second fluid passage, the 3rd fluid passage, the 4th fluid passage in the axial front and back of rotary spool; Said first fluid passage is connected with energy recovery fluid source as said water inlet with extraneous connected entrance and is exclusively used in into water; Second fluid passage is exclusively used in water outlet with extraneous connected entrance as said delivery port; To reclaim the water that flows out in the fluid operating chamber from energy discharges; The 3rd fluid passage and extraneous connected entrance and the 4th fluid passage and extraneous connected entrance respectively as said intake-outlet for being connected with the energy recovery fluid operating chamber of two pressure-exchange pipes, be first fluid passage, the 3rd fluid passage, second fluid passage, the 4th fluid passage along circumferential the putting in order of rotary spool;
First fluid passage before and after the rotary spool all includes in the end of corresponding spool and leads to leading the way of spool, is outwards communicated by interface channel in corresponding spool footpath, and it is led the way on same straight line; Second fluid passage before and after the rotary spool all includes in the end of corresponding spool leads to leading the way of spool, is outwards communicated by interface channel in corresponding spool footpath, and it is led the way on same straight line; The 3rd fluid passage before and after the rotary spool all includes in the end of corresponding spool leads to leading the way of spool, is outwards communicated by interface channel in corresponding spool footpath, and it is led the way on same straight line; The 4th fluid passage before and after the rotary spool all includes in the end of corresponding spool leads to leading the way of spool, is outwards communicated by interface channel in corresponding spool footpath, and it is led the way on same straight line; The leading the way of the leading the way of the leading the way of first fluid passage, second fluid passage, the 3rd fluid passage, the 4th fluid passage lead the way spool circumferentially on equidistance distribute and circumference at same radius on;
Rotary spool has the circular arc fluid passage of two symmetries; The length of said two circular arc fluid passages satisfies can be connected adjacent in the leading the way of the leading the way of the leading the way of the leading the way of first fluid passage, second fluid passage, the 3rd fluid passage, the 4th fluid passage two and leads the way, the spacing of said two circular arc fluid passages satisfy can make the leading the way of first fluid passage, second fluid passage lead the way simultaneously and the leading the way of the 3rd fluid passage, leading the way of the 4th fluid passage are in closed condition;
Said rotary spool connects a multidiameter to accept motor-driven, and said valve body is provided with the axocoel of multidiameter, is communicated with by the hole between second fluid passage and the axocoel, and multidiameter one end passes valve body, and the other end is supported in the axle holder in the valve body.
On the basis of adopting technique scheme, the utility model also can adopt following further technical scheme:
In the utility model, said axocoel is made up of the centre bore of valve body, and the valve body bottom also connects the fixed head that supports said axle holder at the place, aperture of centre bore, is sealed by seal between fixed head and the valve body.
In the utility model; Said valve body is formed by connecting two valve body unit along the axial arranged connection of spool; With the seal sealing, each valve body unit is equipped with the first fluid passage and leads the way with interface channel, second fluid passage and lead the way and interface channel, the 3rd fluid passage and lead the way and interface channel, the 4th fluid passage and lead the way and interface channel outside spool for two valve body unit.
In the utility model; This end that passes valve body with multidiameter is last; The upper surface that is in the valve body unit of below is provided with the spool installing hole, and said spool is placed in the spool installing hole, the flush of its surface and residing valve body unit; Said multidiameter contains the through hole of two quadratures; Said two through holes are used to install the initial circumferentially angle position that the mandrel connecting pin connects multidiameter and rotary spool and the relative valve body of position rotating spool on the axial diverse location of multidiameter, spool is provided with accordingly from upper surface to the link slot that extends below.
The radially employing axle sleeve location multidiameter of the utility model, axle sleeve and multidiameter interference fits are with the valve body interference fit; The friction pair pairing of metal and macromolecular material is all adopted in multidiameter and axle sleeve, multidiameter and an axle holder cooperation place, and spool and cooperation between the valve body are that the friction pair between the different macromolecular materials matches; The place of passing of the corresponding multidiameter of valve body is provided with at least one pair of mechanical seal; Said mechanical seal includes stationary ring, rotating ring, flexible member, spring base, stationary ring auxiliary seal ring; Mechanical seal is perpendicular to the end face of multidiameter, thereby stationary ring and rotating ring keep fitting and can sliding and be equipped with the gland seal device that auxiliary seal reaches the resistance leakage relatively under fluid pressure and spring force effect.
For solving the problems of the technologies described above, the utility model also can adopt following technical scheme:
It comprises the pressure-exchange pipe group of many group parallel connections, and said pressure-exchange pipe group has two pressure-exchange pipes, and every group of pressure-exchange pipe group set 4 check valves; Every each built-in free-piston of pressure-exchange pipe, and the pressure-exchange pipe is divided into two working chambers is respectively to be transferred the fluid operating chamber and energy reclaims the fluid operating chamber;
Said four one way stop peturn valves are split two groups, two groups of check valves in the opposite direction, and wherein one group of check valve is as the low-pressure fluid inlet valve of energy recycle device; Another group check valve is as the high pressure outlet valve of energy recycle device, and the fluid operating chamber that is transferred of each pressure-exchange pipe links to each other with one of them high pressure outlet valve with one of them low-pressure fluid inlet valve;
Said valve-regulated energy recovery unit device is provided with the four-way rotary valve; Said four-way rotary valve is provided with the water inlet that is exclusively used in water into, is exclusively used in the delivery port of water outlet and the many groups intake-outlet that equates with pressure-exchange pipe group number; Every group of intake-outlet has two intake-outlets, and every group of intake-outlet reclaims the fluid operating chamber with the energy of two pressure-exchange pipes of one group of pressure-exchange pipe group respectively and be connected;
Said four-way rotary valve comprises valve body and rotary spool, and said rotary spool connects a multidiameter to accept driving force, and said rotary spool is driven through reducing gear by drive motors;
Axial along said multidiameter; Said four-way rotary valve is provided with a plurality of valve bodies unit; Many one of the quantity specific pressure exchange pipe group number of valve body unit, said valve body unit is divided into end unit and temporary location, and said valve body is formed by connecting said valve body unit; Be provided with a said spool between the adjacent valve body unit, adjacent two valve body unit seal with seal outside spool;
Said valve body is equipped with first fluid passage, second fluid passage, the 3rd fluid passage, the 4th fluid passage that is mated in the axial front and back of rotary spool; Said first fluid passage is connected with energy recovery fluid source as said water inlet with extraneous connected entrance and is exclusively used in into water; Second fluid passage is exclusively used in water outlet with extraneous connected entrance as said delivery port; To reclaim the water that flows out in the fluid operating chamber from energy discharges; The 3rd fluid passage and extraneous connected entrance and the 4th fluid passage and extraneous connected entrance respectively as said intake-outlet for being connected with the energy recovery fluid operating chamber of two pressure-exchange pipes, be first fluid passage, the 3rd fluid passage, second fluid passage, the 4th fluid passage along circumferential the putting in order of rotary spool;
Said end unit is provided with a first fluid passage and leads the way with interface channel, second fluid passage and lead the way and interface channel, the 3rd fluid passage and lead the way and interface channel, the 4th fluid passage and lead the way and interface channel; Said leading the way is in the position corresponding with spool end, and it is outside that said interface channel is in the footpath of spool;
Said temporary location is provided with a first fluid passage and leads the way with interface channel, second fluid passage and lead the way and interface channel, two the 3rd fluid passages, two the 4th fluid passages; Two the 3rd fluid passages attach troops to a unit respectively to the spool on it with its under spool, and all have it and lead the way and interface channel; Two the 4th fluid passages attach troops to a unit respectively to the spool on it with its under spool, and all have it and lead the way and interface channel; Said leading the way is in the position corresponding with spool end, and it is outside that said interface channel is in the footpath of spool;
Leading the way on same straight line of the first fluid passage of said end unit and temporary location; Leading the way on same straight line of second fluid passage; Leading the way on same straight line of the 3rd fluid passage; Leading the way on same straight line of the 4th fluid passage, the leading the way of the leading the way of the leading the way of first fluid passage, second fluid passage, the 3rd fluid passage, the 4th fluid passage lead the way spool circumferentially on equidistance distribute and circumference at same radius on; The interface channel of the first fluid passage of said end unit and temporary location is on same straight line; The interface channel of second fluid passage is on same straight line; The interface channel of the 3rd fluid passage is on same straight line, and the interface channel of the 4th fluid passage is on same straight line;
Do not communicate between the 3rd fluid passage that different spools are attached troops to a unit, do not communicate between the 4th fluid passage that different spool is attached troops to a unit;
Rotary spool has the circular arc fluid passage of two symmetries; The length of said two circular arc fluid passages satisfies can be connected adjacent in the leading the way of the leading the way of the leading the way of the leading the way of first fluid passage, second fluid passage, the 3rd fluid passage, the 4th fluid passage two and leads the way, the spacing of said two circular arc fluid passages satisfy can make the leading the way of first fluid passage, second fluid passage lead the way simultaneously and the leading the way of the 3rd fluid passage, leading the way of the 4th fluid passage are in closed condition; There is phase difference in the circular arc fluid passage of each spool, makes each spool poor pairing blanking time work period;
Said valve body is provided with the axocoel of multidiameter, is communicated with by the hole between second fluid passage and the axocoel, and multidiameter one end passes valve body, and the other end is supported in the axle holder in the valve body.
On the basis of adopting technique scheme, the utility model also can adopt following further technical scheme:
In the utility model, said axocoel is made up of the centre bore of valve body, and the valve body bottom also connects the fixed head that supports said axle holder at the place, aperture of centre bore, is sealed by seal between fixed head and the valve body.
In the utility model; This end that passes valve body with multidiameter is last; The upper surface that is in the valve body unit of below is provided with the spool installing hole, and said spool is placed in the spool installing hole, the flush of its surface and residing valve body unit; Said multidiameter contains the through hole of two quadratures; Said two through holes are used to install the initial circumferentially angle position that the mandrel connecting pin connects multidiameter and rotary spool and the relative valve body of position rotating spool on the axial diverse location of multidiameter, spool is provided with accordingly from upper surface to the link slot that extends below.
In the utility model, its radially employing axle sleeve location multidiameter, axle sleeve and multidiameter interference fits are with the valve body interference fit; The friction pair pairing of metal and macromolecular material is all adopted in multidiameter and axle sleeve, multidiameter and an axle holder cooperation place, and spool and cooperation between the valve body are that the friction pair between the different macromolecular materials matches; The place of passing of the corresponding multidiameter of valve body is provided with at least one pair of mechanical seal; Said mechanical seal includes stationary ring, rotating ring, flexible member, spring base, stationary ring auxiliary seal ring; Mechanical seal is perpendicular to the end face of multidiameter, thereby stationary ring and rotating ring keep fitting and can sliding and be equipped with the gland seal device that auxiliary seal reaches the resistance leakage relatively under fluid pressure and spring force effect.
Owing to adopt the technical scheme of the utility model, the utlity model has following beneficial effect:
1. the energy of the utility model reclaims fluid reversing and adopts motor-driven rotary valve structure, has solved a reversal valve short difficult problem in service life preferably.
2. the four-way rotary valve of the utility model is stackable, and it is practical to be convenient to the combination of many cover energy recovery unit devices, and can form the reliable mechanical interlocking between each cell arrangement, makes the easier of process control.
3. the utility model adopts free-piston to isolate, and is transferred to mix lessly between fluid and the energy recovery fluid, and pressure-exchange pipe capacity utilization is higher.
4. the utility model adopts modularized design, and device is easy to standardization, maximization, and many cover parallel connections are easy to use.
5. the energy recovery efficiency of the utility model is high, and stable performance reaches more than 97% through the detected energy organic efficiency.
Description of drawings
Fig. 1 is the sketch map of the utility model embodiment 1, has shown the rotary valve energy recovery unit device with one group of pressure-exchange pipe.
Fig. 2 is the axial arrangement cutaway view of utility model embodiment 1 four-way rotary valve.
Fig. 3 is the transverse sectional view of embodiment 1 four-way rotary valve, shows first kind of duty of spool.
Fig. 4 is the transverse sectional view of embodiment 1 four-way rotary valve, shows second kind of duty of spool.
Fig. 5 is the transverse sectional view of embodiment 1 four-way rotary valve, shows the third duty of spool.
Sketch map when Fig. 6 is applied to reverse osmosis seawater desalination system for the utility model embodiment 2 has comprised two groups of parallelly connected pressure-exchange pipes among the embodiment 2.
Fig. 7 is the axial arrangement cutaway view of the utility model embodiment 2 four-way rotary valves, and emphasis shows the first fluid passage and second fluid passage.
Fig. 8 is the axial arrangement cutaway view of the utility model embodiment 2 four-way rotary valves, and emphasis shows the 3rd fluid passage and the 4th fluid passage.
Fig. 9 is the transverse sectional view of embodiment 2 four-way rotary valves, shows the position of rotation of upper strata spool when first kind of duty.
Figure 10 is the transverse sectional view of embodiment 2 four-way rotary valves, shows lower floor's spool when first kind of duty, and it is the residing position of rotation of one deck spool down.
The specific embodiment
Embodiment 1, with reference to Fig. 1-5.
The utility model comprises a pressure-exchange pipe group, and said pressure-exchange pipe group has two pressure- exchange pipes 51,52, and said pressure-exchange pipe group is set 4 check valves 61,62,63,64; Every each built-in free-piston 50 of pressure-exchange pipe, and the pressure-exchange pipe is divided into two working chambers, be respectively to be transferred fluid operating chamber 53 to reclaim fluid operating chamber 54 with energy.
Said four one way stop peturn valves are split two groups, two groups of check valves in the opposite direction, and wherein one group of check valve 61,62 is as the low-pressure fluid inlet valve of energy recycle device, and said low-pressure fluid is for being transferred fluid, such as the low pressure seawater of need desalination; Another group check valve 63,64 is as the high pressure outlet valve of energy recycle device; Said high pressure water outlet is transferred fluid for the high pressure after absorbing energy, and the fluid operating chamber that is transferred of each pressure-exchange pipe links to each other with one of them high pressure outlet valve with one of them low-pressure fluid inlet valve.
Rotary valve energy recovery unit device is provided with the four-way rotary valve; Said four-way rotary valve is provided with the water inlet P that is exclusively used in water into, the delivery port T that is exclusively used in water outlet and two intake-outlet A, B, and two intake-outlet A of said four-way rotary valve, B reclaim the fluid operating chamber with the energy of two pressure-exchange pipes respectively and be connected.
Said four-way rotary valve 100 comprises valve body and rotary spool 2; Said rotary spool is driven through reducing gear 300 by drive motors 200.
Said valve body is equipped with first fluid passage 11, second fluid passage 12, the 3rd fluid passage 13, the 4th fluid passage 14 in the axial front and back of rotary spool 2; Said first fluid passage 11 is connected with energy recovery fluid source as said water inlet P with extraneous connected entrance and is exclusively used in into water; Such as the high-pressure thick seawater that is discharging in the counter-infiltration film group device 95; Second fluid passage 12 is exclusively used in water outlet with extraneous connected entrance as said delivery port T; To reclaim the water that flows out in the fluid operating chamber from energy discharges; The 3rd fluid passage 13 and the extraneous intake-outlet A of connected entrance for being connected with the energy recovery fluid operating chamber of pressure-exchange pipe 51; The 4th fluid passage 14 and extraneous connected entrance be for reclaiming the intake-outlet B that the fluid operating chamber is connected with the energy of pressure-exchange pipe 52, and putting in order along rotary spool circumferential is first fluid passage 11, the 3rd fluid passage 12, second fluid passage 13, the 4th fluid passage 14; Before and after in the external connected entrance in first fluid passage 11, second fluid passage 12, the 3rd fluid passage 13, the 4th fluid passage 14 one of them can be by shutoff.
The first fluid passage 11 of rotary spool 2 front and back all include in the end of corresponding spool 2 lead to spool 2 lead the way 111, outwards communicate in corresponding spool 2 footpaths by interface channel 112, it leads the way 111 on same straight line; Second fluid passage 12 before and after the rotary spool all include in the end of corresponding spool 2 lead to spool 2 lead the way 121, directly outwards communicate at corresponding spool 2 by interface channel 122, it leads the way 121 on same straight line; The 3rd fluid passage 13 of rotary spool 2 front and back all include in the end of corresponding spool 2 lead to spool 2 lead the way 131, outwards communicate in corresponding spool 2 footpaths by interface channel 132, it leads the way 131 on same straight line; The 4th fluid passage 14 of rotary spool 2 front and back all include in the end of corresponding spool 2 lead to spool 2 lead the way 141, outwards communicate in corresponding spool 2 footpaths by interface channel 142, it leads the way 141 on same straight line; The 131, the 4th fluid passage of leading the way of the 121, the 3rd fluid passage of leading the way of 111, second fluid passage of leading the way of first fluid passage lead the way 141 spool 2 circumferentially on equidistance distribute and circumference at same radius on.
Said rotary spool 2 connects a multidiameter 3 accepting driving force, and said valve body is provided with between axocoel 31, the second fluid passages 12 and the axocoel 31 of multidiameter and is communicated with by hole 32, and multidiameter 3 one ends pass valve body, and the other end is supported in the axle holder 33 in the valve body.
Said axocoel 31 is made up of the centre bore of valve body, and the valve body bottom also connects the fixed head 34 that supports said axle holder 33 at the place, aperture of centre bore, is sealed by sealing ring between fixed head and the valve body.
Said valve body adopts bolt to be formed by connecting two the valve body unit 41,42 along the axial arranged connection of spool; With the seal sealing, each valve body unit is equipped with first fluid passage 11 and leads the way 111 with interface channel 121, second fluid passage 12 and lead the way 121 and interface channel 122, the 3rd fluid passage 13 and lead the way 131 and interface channel 132, the 4th fluid passage 14 and lead the way 141 and interface channel 142 outside spool for two unit.
This end that passes valve body with multidiameter is last; The upper surface that is in the valve body unit of below is provided with spool installing hole 24; Said spool 2 is placed in the spool installing hole 24; The flush of its surface and residing valve body unit, said multidiameter contains the through hole 34 of two quadratures, and said two through holes are on the axial diverse location of multidiameter; Be used to install the initial circumferentially angle position that mandrel connecting pin 35 connects multidiameters 3 and rotary spool 2 and the relative valve body of position rotating spool, spool 2 be provided with corresponding from upper surface to the link slot that extends below 23.
The radially employing axle sleeve 35 location multidiameters 3 of the utility model, axle sleeve 35 and multidiameter 3 interference fits are with the valve body interference fit; The friction pair pairing of metal and macromolecular material is all adopted in multidiameter 3 and axle sleeve 35, multidiameter 3 and axle holder 33 cooperation places, and spool 2 and cooperation between the valve body are that the friction pair between the different macromolecular materials matches; The place of passing of the corresponding multidiameter of valve body is provided with at least one pair of mechanical seal 36; Seal with 36 pairs of multidiameters of mechanical seal 3 and static valve body; Compress mechanical seal 36 with valve upper cover plate 39; Said mechanical seal includes stationary ring 361, rotating ring 362, spring 38, spring base 40, stationary ring auxiliary seal ring 37; Mechanical seal 36 is perpendicular to the end face of multidiameter, thereby stationary ring 361 keeps fitting and can sliding and be equipped with the gland seal device that auxiliary seal reaches the resistance leakage relatively under fluid pressure and spring force effect with rotating ring 362.
The four-way rotary valve that present embodiment provided can carry out following state successively continuously and switch when working:
State 1: as shown in Figure 3, rotary spool 2 circular arc passages 21 are communicated with first fluid passage 11 and the 3rd fluid passage 13, and rotary spool 2 circular arc passages 22 are communicated with second fluid passage 12 and the 4th fluid passage 14.First flow is advanced from first fluid passage 11, after 21 switching-overs of rotary spool 2 circular arc through holes, goes out from the 3rd fluid passage 13; Second flow is advanced from the 4th fluid passage 14, after 22 switching-overs of rotary spool 2 circular arc through holes, goes out from second fluid passage 12.
State 2: as shown in Figure 4; After rotary spool 2 rotates to an angle; Its circular arc passage 22 only is communicated with the 4th fluid passage 14, and rotary spool 2 circular arc passages 21 only are communicated with the 3rd fluid passage 13, does not communicate with first fluid passage 11, second fluid passage 12.
State 3: as shown in Figure 5, after rotary spool 2 continued to rotate to next angle, its circular arc passage 22 was communicated with first fluid passage 11 and the 4th fluid passage 14, and rotary spool 2 circular arc passages 21 are communicated with second fluid passage 12 and the 3rd fluid passage 13.This moment, first flow was advanced from first fluid passage 11, went out from the 4th fluid passage 14, and second flow is advanced from the 3rd fluid passage 13, goes out from second fluid passage 12.
This four-way rotary valve is the cycle with " state 1 → state 2 → state 3 → state 2 → state 1 ", switches continuously.
When the four-way rotary valve was in state 1, the energy of pressure-exchange pipe 51 reclaimed the water inlet of fluid operating chamber, and the energy of pressure-exchange pipe 51 reclaims fluid operating chamber water outlet,
When the four-way rotary valve was in state 2, pressure-exchange pipe group kept previous state,
When the four-way rotary valve was in state 3, the energy of pressure-exchange pipe 51 reclaimed fluid operating chamber water outlet, and the energy of pressure-exchange pipe 51 reclaims the water inlet of fluid operating chamber,
Go round and begin again.
The utility model comprises the pressure-exchange pipe group of two groups of parallel connections, and said pressure-exchange pipe group has two pressure- exchange pipes 51,52, and every group of pressure-exchange pipe group set 4 check valves 61,62,63,64; Every each built-in free-piston 50 of pressure-exchange pipe, and the pressure-exchange pipe is divided into two working chambers, be respectively to be transferred fluid operating chamber 53 to reclaim fluid operating chamber 54 with energy;
Said four one way stop peturn valves are split two groups, two groups of check valves in the opposite direction, and wherein one group of check valve 61,62 is as the low-pressure fluid inlet valve of energy recycle device, and said low-pressure fluid is for being transferred fluid, the low pressure seawater that also promptly need desalinate; Another group check valve 63,64 is as the high pressure outlet valve of energy recycle device; Said high pressure water outlet is the high pressure sea water of the need desalination after absorbing energy, and the fluid operating chamber that is transferred of each pressure-exchange pipe links to each other with one of them high pressure outlet valve with one of them low-pressure fluid inlet valve.
Said valve-regulated energy recovery unit device is provided with the four-way rotary valve; Said four-way rotary valve is provided with the water inlet P that is exclusively used in water into, is exclusively used in the delivery port T of water outlet and the many groups intake-outlet that equates with pressure-exchange pipe group number; Every group of intake-outlet has two intake-outlet A, B, and every group of intake-outlet A, B reclaim the fluid operating chamber with the energy of two pressure-exchange pipes of one group of pressure-exchange pipe group wherein respectively and be connected.
Said four-way rotary valve 100 comprises valve body and rotary spool 2, and said rotary spool 2 connects a multidiameter 3 to accept motor-driven; Said rotary spool is driven through reducing gear 300 by drive motors 200.
Axial along said multidiameter, said four-way rotary valve is provided with four valve body unit, and said valve body unit is divided into end unit and identical temporary location; This end that passes valve body with multidiameter is last, and said end unit is last end unit 41, base unit 42, and temporary location has 1 in the present embodiment; Its label is 43, and said valve body adopts bolt to be formed by connecting said valve body unit, is provided with a said spool 2 between the adjacent valve body unit; Adjacent two valve body unit seal with seal outside spool 2; Adopt this structure, each temporary location can be made into identical, and precision is convenient to be made to improve.
Said valve body is equipped with the first fluid passage that is mated 11, second fluid passage 12, the 3rd fluid passage 13, the 4th fluid passage 14 in the axial front and back of rotary spool; Said first fluid passage 11 is connected with energy recovery fluid source as said water inlet P with extraneous connected entrance and is exclusively used in into water; Such as the high-pressure thick seawater that is discharging in the counter-infiltration film group device 95; Second fluid passage 12 is exclusively used in water outlet with extraneous connected entrance as said delivery port T; To reclaim the water that flows out in the fluid operating chamber from energy discharges; The 3rd fluid passage 13 and the extraneous intake-outlet A of connected entrance for being connected with the energy recovery fluid operating chamber of pressure-exchange pipe 51; The 4th fluid passage 14 and extraneous connected entrance be for reclaiming the intake-outlet B that the fluid operating chamber is connected with the energy of pressure-exchange pipe 52, puts in order along rotary spool 2 circumferential and lead to 13 roads, second fluid passage 12, the 4th fluid passage 14 for first fluid passage 11, the 3rd fluid.
Said end unit is provided with a first fluid passage 11 and leads the way 111 with interface channel 112, second fluid passage 12 and lead the way 121 and interface channel 122, the 3rd fluid passage 13 and lead the way 131 and interface channel 132, the 4th fluid passage 14 and lead the way 141 and interface channel 142; Said leading the way 111,121,131,141 is in and the corresponding position of spool 2 end faces, and the footpath that said interface channel 112,122,132,142 is in spool 2 is outside.
Said temporary location is provided with a first fluid passage 11 and leads the way 111 with interface channel 112, second fluid passage 12 and lead the way 121 and interface channel 122, two the 3rd fluid passages 13, two the 4th fluid passages 14; Attaching troops to a unit respectively to the spool on it 2 and its spool 2 down in two the 3rd fluid passages 13, and all has it and lead the way 131 and interface channel 132; Attaching troops to a unit respectively to the spool on it 2 and its spool 2 down in two the 4th fluid passages 14, and all has it and lead the way 141 and interface channel 142; Said lead the way 111,121,131,141 be in corresponding spool 2 the end, the footpath that said interface channel 112,122,132,142 is in corresponding spool 2 is outside.
The first fluid passage 11 of said end unit and temporary location lead the way 111 on same straight line; Second fluid passage 12 lead the way 121 on same straight line; The 3rd fluid passage 13 lead the way 131 on same straight line; The 4th fluid passage 14 lead the way 141 on same straight line, the 131, the 4th fluid passage of leading the way of the 121, the 3rd fluid passage of leading the way of 111, second fluid passage of leading the way of first fluid passage lead the way 141 spool circumferentially on equidistance distribute and circumference at same radius on; The interface channel 112 of the first fluid passage of said end unit and temporary location is on same straight line; The interface channel 122 of second fluid passage is on same straight line; The interface channel 132 of the 3rd fluid passage is on same straight line, and the interface channel 142 of the 4th fluid passage is on same straight line.
Do not communicate between the 3rd fluid passage 13 that different spools are attached troops to a unit, do not communicate between the 4th fluid passage 14 that different spool is attached troops to a unit; The first fluid passage 11 of different spools communicate or do not communicate can, second fluid passage 12 of different spools communicates or do not communicate can.
Said valve body is provided with between axocoel 31, the second fluid passages 12 and the axocoel 31 of multidiameter and is communicated with by hole 32, and multidiameter 3 one ends pass valve body, and the other end is supported in the axle holder 33 in the valve body.
Said axocoel 31 is made up of the centre bore of valve body, and the valve body bottom also connects the fixed head 34 that supports said axle holder 33 at the place, aperture of centre bore, is sealed by sealing ring between fixed head and the valve body.
This end that passes valve body with multidiameter is last; The upper surface that is in the valve body unit of below is provided with spool installing hole 24; Said spool 2 is placed in the spool installing hole 24; The flush of its surface and residing valve body unit, said multidiameter contains the through hole 26 of two quadratures, and said two through holes are on the axial diverse location of multidiameter; Be used to install the initial circumferentially angle position that mandrel connecting pin 25 connects multidiameters 3 and rotary spool 2 and the relative valve body of position rotating spool, spool 2 be provided with corresponding from upper surface to the link slot that extends below 23.
Following structure is also identical with embodiment 1: present embodiment radially adopts axle sleeve location multidiameter, and axle sleeve and multidiameter interference fits are with the valve body interference fit; The friction pair pairing of metal and macromolecular material is all adopted in multidiameter and axle sleeve, multidiameter and an axle holder cooperation place, and spool and cooperation between the valve body are that the friction pair between the different macromolecular materials matches; The place of passing of the corresponding multidiameter of valve body is provided with at least one pair of mechanical seal; With mechanical seal multidiameter and static valve body are sealed; Compress mechanical seal with the valve upper cover plate; Said mechanical seal includes stationary ring, rotating ring, spring, spring base, stationary ring auxiliary seal ring, and mechanical seal is perpendicular to the end face of multidiameter, thereby stationary ring and rotating ring keep fitting and can sliding and be equipped with the gland seal device that auxiliary seal reaches the resistance leakage relatively under fluid pressure and spring force effect.
Drawing reference numeral 91 is a booster pump, is used for supercharging charging seawater, makes it can overcome the resistance on sea water preprocessing device and the pipeline, gets into pressure-exchange pipe group.
Drawing reference numeral 92 is the sea water preprocessing device, is used for the charging seawater is filtered, and makes it reach counter-infiltration film group device water inlet requirement.
Drawing reference numeral 93 is an elevator pump, is used for the high pressure water outlet of energy recycle device is further improved pressure again, makes it can reach the nominal operation pressure of counter-infiltration film group device.
Accompanying drawing table 94 is a high-pressure pump, is used for the seawater supercharging without energy recycle device, makes it can reach the nominal operation pressure of counter-infiltration film group device.
Specifically use 500m with the utility model
3/ d reverse osmosis seawater desalting engineering project instance is done further to set forth.
With embodiment 2 rotary valve energy recycle devices is this reverse osmosis seawater desalination system energy recycle device, and load is handled flow and is about 30m
3/ h, the device cycle period is 24s.
With Fig. 6 mode each equipment is installed, setting up procedure is following: energized, open booster pump 91, boost in pressure pump 93 successively, and through behind 1～3 minute low pressure exhaust, start high-pressure pump 94, equipment gets into normal operating condition.Running is following:
Get into the sea water preprocessing device after 91 superchargings of charging seawater process booster pump, pretreated seawater is divided into two-way, and one road seawater (40%) directly boosts to desalinization nominal operation pressure by high-pressure pump 21; Another road seawater (60%) gets into the pressure-exchange pipe, can exchange the back through energy recovery unit device pressure and boosted to desalinization nominal operation pressure by boost in pressure pump 20, converges the common film group device 95 that gets in back with last road (40%).Film group device 95 on high-tension side discarded liquid get into the pressure-exchange pipe, are exhausted from system after exchanging with the low pressure seawater pressure.The fresh water that film group device 95 comes out directly supplies the user to use.
System's each point flow-pressure balance table
| Test point | A | B | C | D | E | F | G | H |
| Flow (m3/d) | 1250 | 502 | 748 | 748 | 1250 | 750 | 500 | 750 |
| Pressure (bar) | 3.0 | 2.6 | 2.6 | 58.0 | 60.0 | 58.2 | 0 | 0 |
With daily output fresh water 500m
3, the reverse osmosis seawater desalting engineering of the water rate of recovery 40% is an example, at 25 ℃; To water concentration is 35000mg/L, under the PH=7 condition, under noenergy retracting device situation; The system ontology energy consumption is 7kWh/m3, and the system ontology energy consumption is 3.5kwh/m after using the utility model energy recycle device
3, can save energy consumption and expense is following:
Can economize on electricity with ton water: 3.5kWh; Electricity price: 0.8 yuan/kWh; The utilization of capacity: 80% then annual economize on electricity expense is:
Ten thousand yuan/year of ξ=500 * 365 * 80% * 3.5 * 0.8 ÷ 10000=40.88
Sea water desalinating unit with 500m3/d is an example, and the system high pressure pump discharge with energy recycle device does not need 52m
3/ h, and the system high pressure pump discharge of band the utility model energy recycle device only needs 20m
3Therefore/h adopts this energy recycle device can reduce the investment of desalinization high-pressure pump significantly, and economic benefit is fairly obvious.
Claims (9)
1. a rotary valve energy recovery unit device is characterized in that it comprises a pressure-exchange pipe group, and said pressure-exchange pipe group has two pressure-exchange pipes, and said pressure-exchange pipe group is set the straight line guiding valve of 4 check valves and 1 3-position 4-way; Every each built-in free-piston of pressure-exchange pipe, and the pressure-exchange pipe is divided into two working chambers is respectively to be transferred the fluid operating chamber and energy reclaims the fluid operating chamber;
Said four one way stop peturn valves are split two groups, two groups of check valves in the opposite direction, and wherein one group of check valve is as the low-pressure fluid inlet valve of energy recycle device; Another group check valve is as the high pressure outlet valve of energy recycle device, and the fluid operating chamber that is transferred of each pressure-exchange pipe links to each other with one of them high pressure outlet valve with one of them low-pressure fluid inlet valve;
Said rotary valve energy recovery unit device is provided with the four-way rotary valve; Said four-way rotary valve is provided with and is exclusively used in into water inlet, the delivery port that is exclusively used in water outlet and two intake-outlets of water, and two intake-outlets of said four-way rotary valve reclaim the fluid operating chamber with the energy of two pressure-exchange pipes respectively and are connected;
Said four-way rotary valve comprises valve body and rotary spool; Said rotary spool is driven through reducing gear by drive motors;
Said valve body is equipped with first fluid passage, second fluid passage, the 3rd fluid passage, the 4th fluid passage in the axial front and back of rotary spool; Said first fluid passage is connected with energy recovery fluid source as said water inlet with extraneous connected entrance and is exclusively used in into water; Second fluid passage is exclusively used in water outlet with extraneous connected entrance as said delivery port; To reclaim the water that flows out in the fluid operating chamber from energy discharges; The 3rd fluid passage and extraneous connected entrance and the 4th fluid passage and extraneous connected entrance respectively as said intake-outlet for being connected with the energy recovery fluid operating chamber of two pressure-exchange pipes, be first fluid passage, the 3rd fluid passage, second fluid passage, the 4th fluid passage along circumferential the putting in order of rotary spool;
First fluid passage before and after the rotary spool all includes in the end of corresponding spool and leads to leading the way of spool, is outwards communicated by interface channel in corresponding spool footpath, and it is led the way on same straight line; Second fluid passage before and after the rotary spool all includes in the end of corresponding spool leads to leading the way of spool, is outwards communicated by interface channel in corresponding spool footpath, and it is led the way on same straight line; The 3rd fluid passage before and after the rotary spool all includes in the end of corresponding spool leads to leading the way of spool, is outwards communicated by interface channel in corresponding spool footpath, and it is led the way on same straight line; The 4th fluid passage before and after the rotary spool all includes in the end of corresponding spool leads to leading the way of spool, is outwards communicated by interface channel in corresponding spool footpath, and it is led the way on same straight line; The leading the way of the leading the way of the leading the way of first fluid passage, second fluid passage, the 3rd fluid passage, the 4th fluid passage lead the way spool circumferentially on equidistance distribute and circumference at same radius on;
Rotary spool has the circular arc fluid passage of two symmetries; The length of said two circular arc fluid passages satisfies can be connected adjacent in the leading the way of the leading the way of the leading the way of the leading the way of first fluid passage, second fluid passage, the 3rd fluid passage, the 4th fluid passage two and leads the way, the spacing of said two circular arc fluid passages satisfy can make the leading the way of first fluid passage, second fluid passage lead the way simultaneously and the leading the way of the 3rd fluid passage, leading the way of the 4th fluid passage are in closed condition;
Said rotary spool connects a multidiameter to accept motor-driven, and said valve body is provided with the axocoel of multidiameter, is communicated with by the hole between second fluid passage and the axocoel, and multidiameter one end passes valve body, and the other end is supported in the axle holder in the valve body.
2. a kind of rotary valve energy recovery unit device as claimed in claim 1; It is characterized in that said axocoel is made up of the centre bore of valve body; The valve body bottom also connects the fixed head that supports said axle holder at the place, aperture of centre bore, is sealed by seal between fixed head and the valve body.
3. according to claim 1 or claim 2 a kind of rotary valve energy recovery unit device; It is characterized in that said valve body is formed by connecting two valve body unit along the axial arranged connection of spool; With the seal sealing, each valve body unit is equipped with the first fluid passage and leads the way with interface channel, second fluid passage and lead the way and interface channel, the 3rd fluid passage and lead the way and interface channel, the 4th fluid passage and lead the way and interface channel outside spool for two valve body unit.
4. rotary valve energy recovery unit device as claimed in claim 3; It is characterized in that this end that passes valve body with multidiameter is last, the upper surface that is in the valve body unit of below is provided with the spool installing hole; Said spool is placed in the spool installing hole; The flush of its surface and residing valve body unit, said multidiameter contains the through hole of two quadratures, and said two through holes are on the axial diverse location of multidiameter; Be used to install the initial circumferentially angle position that the mandrel connecting pin connects multidiameter and rotary spool and the relative valve body of position rotating spool, spool is provided with accordingly from upper surface to the link slot that extends below.
5. a kind of rotary valve energy recovery unit device as claimed in claim 1 is characterized in that, its radially employing axle sleeve location multidiameter, and axle sleeve and multidiameter interference fits are with the valve body interference fit; The friction pair pairing of metal and macromolecular material is all adopted in multidiameter and axle sleeve, multidiameter and an axle holder cooperation place, and spool and cooperation between the valve body are that the friction pair between the different macromolecular materials matches; The place of passing of the corresponding multidiameter of valve body is provided with at least one pair of mechanical seal; Said mechanical seal includes stationary ring, rotating ring, flexible member, spring base, stationary ring auxiliary seal ring; Mechanical seal is perpendicular to the end face of multidiameter, thereby stationary ring and rotating ring keep fitting and can sliding and be equipped with the gland seal device that auxiliary seal reaches the resistance leakage relatively under fluid pressure and spring force effect.
6. a rotary valve energy recovery unit device is characterized in that it comprises the pressure-exchange pipe group of many group parallel connections, and said pressure-exchange pipe group has two pressure-exchange pipes, and every group of pressure-exchange pipe group set 4 check valves; Every each built-in free-piston of pressure-exchange pipe, and the pressure-exchange pipe is divided into two working chambers is respectively to be transferred the fluid operating chamber and energy reclaims the fluid operating chamber;
Said four one way stop peturn valves are split two groups, two groups of check valves in the opposite direction, and wherein one group of check valve is as the low-pressure fluid inlet valve of energy recycle device; Another group check valve is as the high pressure outlet valve of energy recycle device, and the fluid operating chamber that is transferred of each pressure-exchange pipe links to each other with one of them high pressure outlet valve with one of them low-pressure fluid inlet valve;
Said valve-regulated energy recovery unit device is provided with the four-way rotary valve; Said four-way rotary valve is provided with the water inlet that is exclusively used in water into, is exclusively used in the delivery port of water outlet and the many groups intake-outlet that equates with pressure-exchange pipe group number; Every group of intake-outlet has two intake-outlets, and every group of intake-outlet reclaims the fluid operating chamber with the energy of two pressure-exchange pipes of one group of pressure-exchange pipe group respectively and be connected;
Said four-way rotary valve comprises valve body and rotary spool, and said rotary spool connects a multidiameter to accept driving force, and said rotary spool is driven through reducing gear by drive motors;
Axial along said multidiameter; Said four-way rotary valve is provided with a plurality of valve bodies unit; Many one of the quantity specific pressure exchange pipe group number of valve body unit, said valve body unit is divided into end unit and temporary location, and said valve body is formed by connecting said valve body unit; Be provided with a said spool between the adjacent valve body unit, adjacent two valve body unit seal with seal outside spool;
Said valve body is equipped with first fluid passage, second fluid passage, the 3rd fluid passage, the 4th fluid passage that is mated in the axial front and back of rotary spool; Said first fluid passage is connected with energy recovery fluid source as said water inlet with extraneous connected entrance and is exclusively used in into water; Second fluid passage is exclusively used in water outlet with extraneous connected entrance as said delivery port; To reclaim the water that flows out in the fluid operating chamber from energy discharges; The 3rd fluid passage and extraneous connected entrance and the 4th fluid passage and extraneous connected entrance respectively as said intake-outlet for being connected with the energy recovery fluid operating chamber of two pressure-exchange pipes, be first fluid passage, the 3rd fluid passage, second fluid passage, the 4th fluid passage along circumferential the putting in order of rotary spool;
Said end unit is provided with a first fluid passage and leads the way with interface channel, second fluid passage and lead the way and interface channel, the 3rd fluid passage and lead the way and interface channel, the 4th fluid passage and lead the way and interface channel; Said leading the way is in the position corresponding with spool end, and it is outside that said interface channel is in the footpath of spool;
Said temporary location is provided with a first fluid passage and leads the way with interface channel, second fluid passage and lead the way and interface channel, two the 3rd fluid passages, two the 4th fluid passages; Two the 3rd fluid passages attach troops to a unit respectively to the spool on it with its under spool, and all have it and lead the way and interface channel; Two the 4th fluid passages attach troops to a unit respectively to the spool on it with its under spool, and all have it and lead the way and interface channel; Said leading the way is in the position corresponding with spool end, and it is outside that said interface channel is in the footpath of spool;
Leading the way on same straight line of the first fluid passage of said end unit and temporary location; Leading the way on same straight line of second fluid passage; Leading the way on same straight line of the 3rd fluid passage; Leading the way on same straight line of the 4th fluid passage, the leading the way of the leading the way of the leading the way of first fluid passage, second fluid passage, the 3rd fluid passage, the 4th fluid passage lead the way spool circumferentially on equidistance distribute and circumference at same radius on; The interface channel of the first fluid passage of said end unit and temporary location is on same straight line; The interface channel of second fluid passage is on same straight line; The interface channel of the 3rd fluid passage is on same straight line, and the interface channel of the 4th fluid passage is on same straight line;
Do not communicate between the 3rd fluid passage that different spools are attached troops to a unit, do not communicate between the 4th fluid passage that different spool is attached troops to a unit;
Rotary spool has the circular arc fluid passage of two symmetries; The length of said two circular arc fluid passages satisfies can be connected adjacent in the leading the way of the leading the way of the leading the way of the leading the way of first fluid passage, second fluid passage, the 3rd fluid passage, the 4th fluid passage two and leads the way, the spacing of said two circular arc fluid passages satisfy can make the leading the way of first fluid passage, second fluid passage lead the way simultaneously and the leading the way of the 3rd fluid passage, leading the way of the 4th fluid passage are in closed condition; There is phase difference in the circular arc fluid passage of each spool, makes each spool poor pairing blanking time work period;
Said valve body is provided with the axocoel of multidiameter, is communicated with by the hole between second fluid passage and the axocoel, and multidiameter one end passes valve body, and the other end is supported in the axle holder in the valve body.
7. a kind of rotary valve energy recovery unit device as claimed in claim 6; It is characterized in that said axocoel is made up of the centre bore of valve body; The valve body bottom also connects the fixed head that supports said axle holder at the place, aperture of centre bore, is sealed by seal between fixed head and the valve body.
8. like claim 6 or 7 described a kind of rotary valve energy recovery unit devices; It is characterized in that this end that passes valve body with multidiameter is last, the upper surface that is in the valve body unit of below is provided with the spool installing hole; Said spool is placed in the spool installing hole; The flush of its surface and residing valve body unit, said multidiameter contains the through hole of two quadratures, and said two through holes are on the axial diverse location of multidiameter; Be used to install the initial circumferentially angle position that the mandrel connecting pin connects multidiameter and rotary spool and the relative valve body of position rotating spool, spool is provided with accordingly from upper surface to the link slot that extends below.
9. a kind of rotary valve energy recovery unit device as claimed in claim 6 is characterized in that, its radially employing axle sleeve location multidiameter, and axle sleeve and multidiameter interference fits are with the valve body interference fit; The friction pair pairing of metal and macromolecular material is all adopted in multidiameter and axle sleeve, multidiameter and an axle holder cooperation place, and spool and cooperation between the valve body are that the friction pair between the different macromolecular materials matches; The place of passing of the corresponding multidiameter of valve body is provided with at least one pair of mechanical seal; Said mechanical seal includes stationary ring, rotating ring, flexible member, spring base, stationary ring auxiliary seal ring; Mechanical seal is perpendicular to the end face of multidiameter, thereby stationary ring and rotating ring keep fitting and can sliding and be equipped with the gland seal device that auxiliary seal reaches the resistance leakage relatively under fluid pressure and spring force effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120513456 CN202387376U (en) | 2011-12-09 | 2011-12-09 | Rotary valve type energy recycling unit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120513456 CN202387376U (en) | 2011-12-09 | 2011-12-09 | Rotary valve type energy recycling unit device |
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| Publication Number | Publication Date |
|---|---|
| CN202387376U true CN202387376U (en) | 2012-08-22 |
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ID=46662328
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120513456 Expired - Lifetime CN202387376U (en) | 2011-12-09 | 2011-12-09 | Rotary valve type energy recycling unit device |
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| CN (1) | CN202387376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527238A (en) * | 2011-12-09 | 2012-07-04 | 杭州水处理技术研究开发中心有限公司 | Rotary valve type energy recovery unit device |
-
2011
- 2011-12-09 CN CN 201120513456 patent/CN202387376U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527238A (en) * | 2011-12-09 | 2012-07-04 | 杭州水处理技术研究开发中心有限公司 | Rotary valve type energy recovery unit device |
| CN102527238B (en) * | 2011-12-09 | 2014-07-16 | 杭州水处理技术研究开发中心有限公司 | Rotary valve type energy recovery unit device |
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| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120822 Effective date of abandoning: 20140716 |
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