CN111022281B - Sea water desalination high-pressure pump with few friction pairs and energy recovery integrated unit - Google Patents
Sea water desalination high-pressure pump with few friction pairs and energy recovery integrated unit Download PDFInfo
- Publication number
- CN111022281B CN111022281B CN201911366991.4A CN201911366991A CN111022281B CN 111022281 B CN111022281 B CN 111022281B CN 201911366991 A CN201911366991 A CN 201911366991A CN 111022281 B CN111022281 B CN 111022281B
- Authority
- CN
- China
- Prior art keywords
- pump
- motor
- main shaft
- pressure
- seawater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
- F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/26—Reciprocating-piston liquid engines adapted for special use or combined with apparatus driven thereby
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
- F04B11/005—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a seawater desalination high-pressure pump with few friction pairs and an energy recovery integrated unit, which comprises a seawater hydraulic pump and a seawater hydraulic motor, and reduces two pairs of sliding shoe pairs in a traditional swash plate type plunger pump. The structure that the pump and the motor are arranged on two sides of the main shaft turntable is adopted, the pump end flow distribution swash plate is communicated with the low-pressure seawater inlet and the high-pressure seawater outlet, and the motor end flow distribution swash plate is communicated with the low-pressure strong brine outlet and the high-pressure strong brine inlet. When the device works, the motor drives the hydraulic pump to suck raw material seawater and pressurize the raw material seawater, the generated high-pressure seawater is filtered by the reverse osmosis membrane to become high-pressure strong brine, the high-pressure strong brine enters the hydraulic motor, and the high-pressure strong brine is discharged through the low-pressure strong brine outlet after the energy recovery process is finished. The invention overcomes the defects of low integration level, more friction pairs, mixing of salt/seawater and the like of the existing energy recovery device, and has the obvious technical advantages of high energy recovery efficiency, no mixing, long service life and the like.
Description
Technical Field
The invention relates to a sea water desalination high-pressure pump with few friction pairs and an energy recovery integrated unit, which can realize the sea water pressurization and energy recovery processes in a reverse osmosis sea water desalination system and belong to the technical field of fluid transmission and control.
Background
With the increasing scarcity of fresh water resources, the production of fresh water by using a seawater desalination technology gradually becomes an effective way for relieving the situation of water resource shortage in the global scope. More than twenty methods exist for seawater desalination, and a reverse osmosis membrane method is one of the methods which are applied more at present. The reverse osmosis membrane method is generally also called as an ultrafiltration method, is a membrane separation desalination method, utilizes a semipermeable membrane which only allows a solvent to pass through and does not allow a solute to pass through to filter salt in seawater, and has the advantages of low cost, low energy consumption, high water production quality and the like.
In the process of reverse osmosis seawater desalination, the overall energy consumption of the system is higher due to low water production rate and high operation pressure. More than 50% of pressure energy provided by the high-pressure pump is stored in high-pressure strong brine filtered by a reverse osmosis membrane, and the key measures of reducing the energy consumption of the system and improving the operation efficiency are realized by recycling the pressure energy by adopting an energy recovery technology.
The energy recovery device can be classified into a hydraulic turbine type, a positive displacement type and a hydraulic pump-motor type according to the working principle. When the hydraulic turbine type energy recovery device works, two steps of conversion of pressure energy, mechanical energy and pressure energy are needed, and the energy recovery efficiency is limited. The positive displacement type energy recovery device can directly realize energy transfer between high-pressure concentrated salt water and low-pressure seawater, the energy recovery efficiency can reach 96 percent, the energy recovery device gradually occupies the main stream of the market, but the technical defect of mixing of the concentrated salt water and the low-pressure seawater exists unavoidably. The hydraulic pump-motor type energy recovery device is a new product which appears under the requirements of miniaturization and integration of a seawater desalination system in recent years, pressure energy is converted into mechanical energy through the hydraulic motor so as to compensate the output power of the motor, and the hydraulic pump-motor type energy recovery device has the advantages of high integration level, high energy recovery efficiency, no mixing of salt and seawater and the like.
Chinese patent (CN 107829896A) discloses a flow-adjustable plunger type high-pressure pump energy recovery all-in-one machine, which integrates a plunger type high-pressure pump and a plunger type motor, optimizes the structural composition of the system, provides pressure energy for a reverse osmosis system through the plunger pump, and recovers high-pressure strong brine energy through the plunger type motor, thereby realizing the integrated functions of the high-pressure pump and the energy recovery. However, the plunger type high-pressure pump and the motor of the device respectively comprise friction pairs such as a sliding shoe pair, a plunger pair, a flow distribution pair and a bearing pair in the traditional swash plate type plunger pump/motor, and the key friction pairs adopt a soft-hard pairing scheme of engineering plastics to stainless steel, so that the problems of large quantity of the friction pairs, large leakage amount and poor pollution resistance exist, and the energy recovery efficiency and the service life of the device are limited.
Disclosure of Invention
The invention aims to provide a seawater desalination high-pressure pump with few friction pairs and an energy recovery integrated unit, overcomes the defects of low integration level, more friction pairs, mixing of salt/seawater and the like of the conventional energy recovery device, and has a good application prospect.
The main shaft is respectively connected with a pump end cylinder body and a motor end cylinder body through pump end drum-shaped external teeth and motor end drum-shaped external teeth; the front end cover, the shell and the rear end cover are connected; the plane of the pump end flow distribution swash plate is arranged on the end surface of the front end cover, the inclined plane of the pump end flow distribution swash plate is connected with a pump end floating lining plate, the pump end floating lining plate is connected with a pump end cylinder plunger sleeve through a pump end communicating sleeve, and the pump end cylinder plunger sleeve is connected with a pump end connecting rod plunger; the small ball head of the pump end connecting rod plunger is positioned in the plunger hole of the pump end cylinder body, and the large ball head of the pump end connecting rod plunger is connected with the inner ball socket on the left side of the main shaft turntable; the pump end spring is respectively connected with the pump end cylinder body and the pump end clamping ring, and the pump end floating lining plate is tightly attached to the pump end flow distribution swash plate under the action of the pressing force of the pump end spring; an inner ball socket on the right side of the main shaft turntable is matched with a large ball head of a motor end connecting rod plunger, and a small ball head of the motor end connecting rod plunger is positioned in a plunger hole of a motor end cylinder body; one end of the motor end communicating sleeve is connected with the plunger sleeve of the motor end cylinder body, the other end of the motor end communicating sleeve is connected with the motor end floating lining plate, the motor end spring is respectively connected with the motor end cylinder body and the motor end clamping ring, the motor end floating lining plate is tightly attached to the motor end flow distribution swash plate under the pressing force of the motor end spring, and the motor end flow distribution swash plate is installed on the end face of the rear end cover.
The hydraulic pump adopts a mirror symmetry structure, the upper side of the hydraulic pump end is a low-pressure seawater inlet, and the lower side is a high-pressure seawater outlet; the upper side of the hydraulic motor end is provided with a low-pressure strong brine outlet, and the lower side is provided with a high-pressure strong brine inlet.
By adopting the design of a connecting rod plunger structure and three pairs of bearing pair supports, the lateral force of the plunger to the cylinder body and the overturning moment borne by the cylinder body are greatly reduced, the stress conditions of the plunger pair and the flow distribution pair are effectively improved, and the overlarge fit clearance of the flow distribution pair is prevented.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
(1) the integration level is high, and the occupation of land space is little. The invention integrates the hydraulic pump and the hydraulic motor into a whole, realizes the processes of pressurizing raw material seawater and recovering energy through the driving of the motor, and greatly improves the integration level and the space utilization rate of the reverse osmosis seawater desalination system.
(2) The number of friction pairs is small, and the energy recovery efficiency is high. Through the mirror image structure design, compared with the traditional hydraulic pump-motor type energy recovery device, the invention reduces two pairs of sliding shoe pairs, eliminates the corresponding leakage loss and friction loss, and further improves the mechanical efficiency and the energy recovery efficiency of the device.
(3) Salt/seawater are not blended. The invention adopts the positive displacement energy recovery working principle of the hydraulic pump and the motor, avoids the mixing phenomenon of high-pressure strong brine and raw material seawater in the pressure exchange process of the rotor type energy recovery device, and further reduces the energy consumption of the system.
(4) Strong pollution resistance and long service life. The invention reduces two pairs of sliding shoe pairs which have poor anti-pollution capacity and are easy to lose efficacy, and other key friction pairs adopt a hard-hard pairing scheme of ceramic-hard alloy/ceramic, thereby improving the wear resistance and the pollution resistance of the friction pairs and prolonging the service life of the device.
Drawings
FIG. 1 is a schematic structural view of a seawater desalination high-pressure pump with few friction pairs and an energy recovery integrated unit of the invention
FIG. 2 is a diagram of a pump end cylinder of the seawater desalination high-pressure pump with few friction pairs and an energy recovery integrated unit of the invention
FIG. 3 is a pump end flow distribution swash plate diagram of the low friction pair sea water desalination high pressure pump and energy recovery integrated unit of the invention
In the figure: 1. a main shaft, 1.1 a main shaft turntable, 1.2 motor end drum-shaped external teeth, 1.3 pump end drum-shaped external teeth, 2 a sealing gland, 3 a front end cover, 4.1 pump end bearing outer rings, 4.2 pump end bearing inner rings, 5 pump end distribution swash plates, 6 pump end floating lining plates, 7 pump end communication sleeves, 8 pump end cylinder bodies, 8.1 pump end cylinder bodies, drum-shaped teeth in the pump end cylinder bodies, 9 pump end connecting rod plungers, 10 shells, 10.1 shell discharge ports, 11.1 main shaft turntable bearing inner rings, 11.2 main shaft turntable bearing outer rings, 12 motor end connecting rod plungers, 13 motor end cylinder bodies, 14 motor end cylinder body sleeves, 15 motor end communication sleeves, 16 motor end floating lining plates, 17 motor end distribution swash plates, 17.1 motor end distribution low-pressure waist-shaped grooves, 17.2 motor end distribution high-pressure swash plates, 17.3 motor end distribution swash plates fixed threaded holes, 18 swash plate rear end covers, 19.1, a main shaft thrust bearing outer disc, 19.2, a main shaft thrust bearing inner disc, 20.1, a motor end bearing inner ring, 20.2, a motor end bearing outer ring, 21, a motor end clamping ring, 22, a motor end spring, 23, a pump end spring, 24, a pump end cylinder plunger sleeve, 25, a pump end clamping ring, 26, a mechanical seal, 27 and a seal gland set screw.
Detailed Description
Embodiments of the present invention will be described in more detail below with reference to fig. 1 to 3 of some embodiments of the present invention. It is obvious that the described embodiments are only a part of all embodiments of the invention. Other embodiments, which can be directly derived from or derived from the disclosure of the present invention, are within the scope of the present invention and are considered by those skilled in the art without inventive faculty.
The invention is applied to the implementation mode of a reverse osmosis seawater desalination system during high-pressure pump and energy recovery:
the main shaft 1 drives the rotary table to work under the driving of the motor, the rotary table drives the pump end connecting rod plunger 9 to move, the pump end connecting rod plunger 9 does reciprocating motion due to the existence of the pump end swash plate 5, low-pressure seawater is sucked from the low-pressure seawater inlet and then pressurized, and the low-pressure seawater is discharged to the front of the reverse osmosis membrane through the high-pressure seawater outlet.
High-pressure strong brine which does not pass through the reverse osmosis membrane enters a plunger cavity from a high-pressure strong brine inlet and a water inlet waist-shaped groove on the motor end swash plate 16 to push a motor end connecting rod plunger 12 to extend outwards; meanwhile, the high-pressure strong brine acts on the rotary table through the motor end connecting rod plunger 12, the rotary table provides reaction force for the motor end connecting rod plunger 12, the horizontal component of the reaction force is balanced with the horizontal hydraulic force applied to the motor end connecting rod plunger 12, and the vertical component of the reaction force enables the motor end connecting rod plunger to generate torque to the cylinder body. And the motor end connecting rod plunger 12 positioned at the outlet side of the low-pressure strong brine is forced to retract inwards, so that the low-pressure strong brine in the plunger cavity is discharged.
The pump end connecting rod plunger 9 and the motor end connecting rod plunger 12 are the same, but due to different pressures of inlet and outlet water, the generated torque to the cylinder body is different, the cylinder body is driven to rotate under the action of resultant torque, the pump end connecting rod plunger 9 and the motor end connecting rod plunger 12 reciprocate in the cylinder hole and continuously enter high-pressure concentrated brine, the torque and the rotating speed are output to the main shaft, the input power of a driving motor is reduced, and therefore the energy consumption of the reverse osmosis seawater desalination system is reduced.
The invention is applied to the implementation mode of a double-row plunger piston high-flow seawater hydraulic pump: the low-pressure seawater enters the pump end flow distribution swash plate 5 and the motor end flow distribution swash plate 17 from a low-pressure seawater inlet and a low-pressure strong brine inlet of the front end cover 3 and the rear end cover 18 respectively, the main shaft 1 drives the main shaft rotary plate 1.1, the pump end cylinder body 8 and the motor end cylinder body 13 to rotate under the driving of the motor, the pump end connecting rod plunger 9 and the motor end connecting rod plunger 12 do rotary motion under the driving of the main shaft rotary plate 1.1, and due to the existence of the pump end flow distribution swash plate 5 and the motor end flow distribution swash plate 17, the pump end connecting rod plunger 9 and the motor end connecting rod plunger 12 do reciprocating water suction and discharge motion simultaneously, and the low-pressure seawater is continuously sucked into a plunger cavity and is converged and discharged through a high-pressure waist-shaped groove of the flow distribution swash plate, a high-pressure seawater outlet of the front end cover 3 and a high-pressure strong brine outlet of the rear end cover 18. Because the structural dimensions of the two sides of the main shaft turntable are completely symmetrical, the axial stress of the double-row plunger large-flow seawater hydraulic pump is completely balanced, and the flow pulsation of the pump can be greatly reduced by the staggered arrangement of the plurality of plungers.
The invention is applied to the implementation mode of a double-row plunger piston high-flow seawater hydraulic motor: high-pressure seawater respectively enters the pump end distribution swash plate 5 and the motor end distribution swash plate 17 from a high-pressure seawater port and a high-pressure concentrated salt water port of the front end cover 3 and the rear end cover 18, the high-pressure water compression pump end connecting rod plunger 9 and the motor end connecting rod plunger 12 do reciprocating motion, and radial component forces of the connecting rod plunger 9 and the motor end connecting rod plunger 12 can generate driving torque to enable the cylinder body, the main shaft and the floating lining plate to rotate, so that the high-pressure seawater at the inlet is converted into torque to be output. Because the structural dimensions of the two sides of the main shaft turntable are completely symmetrical, the axial stress of the double-row plunger large-flow seawater hydraulic motor is completely balanced, and the flow pulsation of the motor can be greatly reduced by the staggered arrangement of the plurality of plungers. In addition, the starting characteristic of the motor is better, and the volume efficiency and the mechanical efficiency are higher due to the elimination of the sliding shoe pair.
The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described examples, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the invention, which changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. Little vice sea water desalination high-pressure pump of friction and energy recuperation integration unit, its characterized in that: a main shaft (1) of the seawater desalination high-pressure pump and energy recovery integrated unit with few friction pairs is respectively connected with a pump end cylinder body (8) and a motor end cylinder body (13) through a pump end drum-shaped external tooth (1.3) and a motor end drum-shaped external tooth (1.2); the front end cover (3), the shell (10) and the rear end cover (18) are connected; the plane of the pump end flow distribution swash plate (5) is arranged on the end face of the front end cover (3), the inclined plane of the pump end flow distribution swash plate (5) is connected with a pump end floating lining plate (6), the pump end floating lining plate (6) is connected with a pump end cylinder plunger sleeve (24) through a pump end communicating sleeve (7), and the pump end cylinder plunger sleeve (24) is connected with a pump end connecting rod plunger (9); a small ball head of the pump end connecting rod plunger (9) is positioned in a plunger hole of the pump end cylinder body (8), and a large ball head of the pump end connecting rod plunger (9) is connected with an inner ball socket on the left side of the main shaft turntable (1.1); a pump end spring (23) is respectively connected with the pump end cylinder body (8) and the pump end snap ring (25), and a pump end floating lining plate (6) is tightly attached to the pump end flow distribution swash plate (5) under the pressing force of the pump end spring (23); an inner ball socket on the right side of the main shaft turntable (1.1) is matched with a large ball head of a motor end connecting rod plunger (12), and a small ball head of the motor end connecting rod plunger (12) is positioned in a plunger hole of a motor end cylinder body (13); one end of a motor end communicating sleeve (15) is connected with a plunger sleeve (14) of a motor end cylinder body, the other end of the motor end communicating sleeve (15) is connected with a motor end floating lining plate (16), a motor end spring (22) is respectively connected with a motor end cylinder body (13) and a motor end snap ring (21), the motor end floating lining plate (16) is tightly attached to a motor end flow distribution swash plate (17) under the pressing force action of the motor end spring (22), and the motor end flow distribution swash plate (17) is installed on the end surface of a rear end cover (18);
the motor is characterized by further comprising a pump end bearing, a motor end bearing and a main shaft turntable bearing, wherein a pump end bearing inner ring (4.2) is assembled on the main shaft (1) in an interference mode, a pump end bearing outer ring (4.1) is assembled in an inner hole of the front end cover (3) in an interference mode, and the pump end bearing inner ring (4.2) is connected with the pump end bearing outer ring (4.1) in a clearance fit mode; the motor end bearing inner ring (20.1) is assembled on the main shaft (1) in an interference mode, the motor end bearing outer ring (20.2) is assembled in an inner hole of the rear end cover (18) in an interference mode, and the motor end bearing inner ring (20.1) is connected with the motor end bearing outer ring (20.2) in a clearance fit mode; the inner ring (11.1) of the main shaft turntable bearing is in interference connection with the main shaft turntable (1.1), the outer ring (11.2) of the main shaft turntable bearing is in interference connection with the shell (10), and the inner ring (11.1) of the main shaft turntable bearing is connected with the outer ring (11.2) of the main shaft turntable bearing in clearance fit;
the pump end bearing inner ring (4.2), the pump end bearing outer ring (4.1), the main shaft turntable bearing inner ring (11.1), the main shaft turntable bearing outer ring (11.2), the main shaft thrust bearing inner disc (19.2), the main shaft thrust bearing outer disc (19.1), the motor end bearing inner ring (20.1) and the motor end bearing outer ring (20.2) are made of engineering ceramics or seawater corrosion resistant hard alloy; the pump end flow distribution swash plate (5), the pump end floating lining plate (6), the motor end floating lining plate (16) and the motor end flow distribution swash plate (17) are made of engineering ceramics or seawater corrosion resistant hard alloy.
2. The few-friction pair high-pressure pump for seawater desalination and energy recovery integrated unit as claimed in claim 1, wherein the unit comprises: the main shaft thrust bearing inner disc (19.2) is fixed at the end part of the main shaft (1) and the main shaft thrust bearing outer disc (19.1) are arranged on the rear end cover (18) in an interference mode, and the main shaft thrust bearing inner disc (19.2) and the main shaft thrust bearing outer disc (19.1) are tightly attached under the pressing force action of the pump end spring (23) and the motor end spring (22).
3. The few-friction pair high-pressure pump for seawater desalination and energy recovery integrated unit as claimed in claim 1, wherein the unit comprises: the low-pressure seawater inlet on the front end cover (3) and the low-pressure strong brine outlet on the rear end cover (18) are positioned on the same side, and the high-pressure seawater outlet on the front end cover (3) and the high-pressure strong brine inlet on the rear end cover (18) are positioned on the same side.
4. The few-friction pair high-pressure pump for seawater desalination and energy recovery integrated unit as claimed in claim 1, wherein the unit comprises: the crown gear (8.1) and the crown external tooth (1.3) in the cylinder body of the pump end are of spherical crown gear structures, the crown gear (13.1) and the crown external tooth (1.2) in the cylinder body of the motor end are of spherical crown gear structures, and the swing spherical centers of the spherical crown gears are the spherical centers of the spherical hinge of the pump end and the spherical hinge of the motor end respectively.
5. The few-friction pair high-pressure pump for seawater desalination and energy recovery integrated unit as claimed in claim 1, wherein the unit comprises: the mechanical seal device is characterized by further comprising a mechanical seal (26), one end of the mechanical seal (26) is connected with the seal gland (2), the other end of the mechanical seal (26) is connected with a shaft shoulder of the main shaft (1), and the mechanical seal (26) and the seal gland (2) are fixed on the front end cover (3) through seal gland set screws (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911366991.4A CN111022281B (en) | 2019-12-26 | 2019-12-26 | Sea water desalination high-pressure pump with few friction pairs and energy recovery integrated unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911366991.4A CN111022281B (en) | 2019-12-26 | 2019-12-26 | Sea water desalination high-pressure pump with few friction pairs and energy recovery integrated unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111022281A CN111022281A (en) | 2020-04-17 |
| CN111022281B true CN111022281B (en) | 2022-04-19 |
Family
ID=70213870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911366991.4A Active CN111022281B (en) | 2019-12-26 | 2019-12-26 | Sea water desalination high-pressure pump with few friction pairs and energy recovery integrated unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111022281B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112337307B (en) * | 2020-11-13 | 2021-06-22 | 燕山大学 | Reverse osmosis seawater desalination motor pump capable of realizing high integration of energy recovery |
| CN114109762A (en) * | 2021-11-15 | 2022-03-01 | 天津市蓝十字膜技术有限公司 | Flashlight integrated axial plunger type seawater desalination machine and operation method |
| CN115182861A (en) * | 2022-05-18 | 2022-10-14 | 西派格(南通)电液控制科技有限公司 | Symmetrical multi-plunger hydraulic pump |
| CN115163443B (en) * | 2022-08-02 | 2024-01-26 | 北京工业大学 | High-pressure pump coupled with piston lever mechanism and energy recovery integrated device |
| CN116201709B (en) * | 2023-04-04 | 2024-02-20 | 北京工业大学 | Integrated hydraulic pump-motor energy recovery unit without sliding shoes |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4361077A (en) * | 1980-06-16 | 1982-11-30 | Varitan, Inc. | Variable positive displacement fluid motor/pump apparatus |
| FR2599788B1 (en) * | 1986-06-10 | 1991-02-22 | Renault | RADIAL SUPPORT FOR A ROTARY ELEMENT OF A PUMP OR HYDRAULIC MOTOR PUMP WITH A ROTATING CYLINDER BLOCK |
| CN1195159C (en) * | 2003-02-21 | 2005-03-30 | 华中科技大学 | Axial plunger type water hydraulic pump |
| CN101155989A (en) * | 2005-11-11 | 2008-04-02 | 布鲁宁赫斯海诺马帝克有限公司 | Hydrostatic piston engine |
| CN201129278Y (en) * | 2007-11-23 | 2008-10-08 | 华中科技大学 | Inclined shaft type sea water plunger pump based on gear transmission |
| JP2009156139A (en) * | 2007-12-26 | 2009-07-16 | Calsonic Kansei Corp | Swash plate compressor |
| CN101581297A (en) * | 2008-05-15 | 2009-11-18 | 上海电气液压气动有限公司 | Inclined plunger hydraulic pump/motor |
| CN201737788U (en) * | 2010-07-20 | 2011-02-09 | 国家海洋局天津海水淡化与综合利用研究所 | Small reverse-osmosis seawater desalinating device with plunger type energy-recovery high-pressure pump |
| US10309380B2 (en) * | 2011-11-16 | 2019-06-04 | Ocean Pacific Technologies | Rotary axial piston pump |
| CN107829896B (en) * | 2017-12-03 | 2024-03-05 | 自然资源部天津海水淡化与综合利用研究所 | Flow-adjustable plunger type high-pressure pump energy recovery integrated machine |
| CN108167151A (en) * | 2018-03-07 | 2018-06-15 | 扬州工业职业技术学院 | A kind of symmetrical shaft type quantifies axial plunger pump and its control method |
-
2019
- 2019-12-26 CN CN201911366991.4A patent/CN111022281B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111022281A (en) | 2020-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111022281B (en) | Sea water desalination high-pressure pump with few friction pairs and energy recovery integrated unit | |
| CN108238664B (en) | Integrated low-pulsation seawater desalination energy recovery supercharging device | |
| CN110617190B (en) | Rotary piston type high-pressure pump with energy recovery function | |
| CN103615385B (en) | A kind of detachable hydraulic swash plate pump plunger piston slippery boots assembly | |
| CN101832243A (en) | Axial water pressure plunger pump with easy maintenance | |
| CN108278186B (en) | A kind of two-dimentional plunger hydraulic pamp of water-oil separating formula space cam transmission | |
| CN102155371A (en) | Reverse osmosis sea water desalinization high-pressure pump | |
| CN101949374A (en) | Swash plate type valve distributing high-pressure pure water plunger pump | |
| CN110307133B (en) | Multi-action inner curve radial piston type fluid pump | |
| CN201786591U (en) | Axial water-pressure plunger pump easy to be repaired | |
| CN111022426B (en) | Flexibly-supported coaxial-drive high-speed high-pressure connecting rod plunger device | |
| CN211082162U (en) | Rotary piston type high-pressure pump with energy recovery function | |
| CN111237155A (en) | Through-shaft axial piston pump capable of realizing energy recovery | |
| CN110566399B (en) | Radial plunger pump motor with rectangular plunger | |
| CN110953133B (en) | Crankshaft connecting rod type radial piston pump capable of recycling pressure energy in waste fluid | |
| CN110056504B (en) | Flow distribution cleaning mechanism of duplex plunger pump | |
| CN115163443B (en) | High-pressure pump coupled with piston lever mechanism and energy recovery integrated device | |
| CN116201709B (en) | Integrated hydraulic pump-motor energy recovery unit without sliding shoes | |
| CN110064306B (en) | Energy recovery device | |
| CN108425820A (en) | A kind of cam-type axial piston pump of included slippage pump | |
| CN201212493Y (en) | Bidirectional hydraulic supercharging mechanism | |
| CN112337307B (en) | Reverse osmosis seawater desalination motor pump capable of realizing high integration of energy recovery | |
| CN211397784U (en) | Ultrahigh pressure hydraulic pump with high volumetric efficiency and large flow | |
| CN110500270B (en) | Bidirectional high-speed miniature plunger pump with inserted oil port | |
| CN110469477B (en) | High-speed bidirectional plunger pump with axial oil port |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |