CN210699577U

CN210699577U - Energy recovery and utilization three-piston seawater desalination all-in-one machine

Info

Publication number: CN210699577U
Application number: CN201820282326.1U
Authority: CN
Inventors: 张琦辉; 胡杰; 罗俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-02-28
Filing date: 2018-02-28
Publication date: 2020-06-09
Anticipated expiration: 2028-02-28

Abstract

The utility model provides an energy recovery utilizes three piston sea water desalination all-in-one, three compression pistons that embed the piston body, the right-hand member leads to the energy conversion valve through compression pipeline A respectively, compression pipeline A communicates with compression pipeline B and leads to the reverse osmosis subassembly respectively, the reverse osmosis subassembly right-hand member is established compression pipeline C and is led to with the energy conversion valve respectively; the energy conversion valves are respectively provided with intercommunicating pipelines to be communicated with the rod cavities of the compression pistons; the reverse osmosis component is provided with a fresh water discharge pipe after reverse osmosis desalination; the rodless cavities of the compression pistons are respectively provided with a water inlet pipe, the energy conversion valves are respectively provided with a non-pressure seawater discharge pipe, and the compression pipeline B and the water inlet pipe are respectively provided with a one-way valve. When the energy-saving seawater desalination device is used, seawater sucked by the three compression pistons alternately and circularly is pumped into the reverse osmosis component for desalination and then is discharged from the fresh water discharge pipe, seawater with residual pressure is input into the energy conversion valve from the compression pipeline C and enters the rod cavity of the compression piston, and the energy conversion valve pushes the built-in piston body to work along with the crankshaft, so that the energy-saving effect of residual pressure utilization is achieved.

Description

Energy recovery and utilization three-piston seawater desalination all-in-one machine

Technical Field

The utility model relates to a sea water desalination handles economizer, specific three piston sea water desalination all-in-one of energy recuperation.

Background

At present, the seawater desalination treatment is generally carried out by two methods, one is a distillation mode; the other is a compression filtration type reverse osmosis desalination mode, and is mainly characterized in that seawater is pumped into a reverse osmosis component for osmotic desalination by the pressure of 5.5-6 MPA, and is converted into fresh water; although the mode is more advantageous, the problem that the residual 60% of seawater under pressure after the high-pressure seawater is desalted and desalted by the reverse osmosis component cannot be utilized and can only be discharged exists, and because the residual pressure of the 60% of seawater under pressure exists, a large amount of energy is wasted due to the discharge, the cost of reverse osmosis desalination seawater desalination treatment cannot be controlled directly, so that the mode cannot be popularized and used.

Disclosure of Invention

An object of the utility model is to solve the above-mentioned problem that the residual pressure that exists can't utilize and cause the energy waste, provide an energy recuperation utilizes three piston sea water desalination all-in-one, can reach energy saving and consumption reduction, direct reduction in production cost's purpose with the residual pressure make full use of 60% surplus sea water.

The utility model discloses an it has the compression piston of piston body to embed, and the technical scheme who adopts lies in: the reverse osmosis desalination equipment for seawater desalination treatment is provided with three compression pistons which are provided with piston bodies and can be connected with a power crankshaft in parallel, the right ends of the three compression pistons are respectively communicated with three energy conversion valves through compression pipelines A, one sides of the three compression pipelines A are respectively provided with a compression pipeline B which is communicated with a reverse osmosis assembly, and the right ends of the reverse osmosis assemblies are respectively provided with a compression pipeline C which is communicated with one side of the energy conversion valves;

the three energy conversion valves are respectively provided with intercommunication pipelines at the other sides to be communicated with the rod cavities of the three compression pistons; a desalinated seawater discharge pipe is additionally arranged on one side of the reverse osmosis component; the right ends of the three compression pistons are respectively provided with an inlet pipe capable of sucking seawater, the three energy conversion valves are respectively provided with a non-pressure seawater discharge pipe, and the compression pipeline B and the inlet pipe are respectively provided with a one-way valve; the energy conversion valve is internally provided with a valve core, a thin rod in the middle of the valve core is sleeved with a spring, one end of the spring is tightly attached to the inner side surface of the valve core, the other end of the spring is tightly attached to a valve sleeve arranged in the energy conversion valve, a space for the valve core to move left and right is reserved between the two valve sleeves in the energy conversion valve, a water distribution sleeve is arranged in the middle of the two valve sleeves, two ends of a sliding surface at the right end of the valve core are both of convex conical structures, and the inner ends.

In the above technical scheme: the compression pipeline C is communicated with a position where a spring is sleeved on a valve core in the energy conversion valve, and the communication pipeline 8 is communicated with a position of a water distributing sleeve in the energy conversion valve.

Compared with the prior art, the utility model, following advantage effect has: because the energy conversion valve is arranged between the compression piston and the reverse osmosis component, and the optimal combination mode of a group of three compression pistons is adopted, the three compression pistons can alternately and circularly operate, the operation effect is the best, in the operation process, after seawater is sucked in a reciprocating way by the piston body, the seawater is pumped into the reverse osmosis component through the compression pipeline B and desalinated through high-pressure osmosis, 40 percent of obtained fresh water is discharged through the purified fresh water discharge pipe, the residual 60 percent of seawater with residual pressure enters the energy conversion valve through the compression pipeline C, at the moment, the high-pressure seawater pushes the valve core of the energy conversion valve to the right end through the pipeline A, the residual pressure seawater conversion channel in the energy conversion valve is opened, the residual pressure seawater enters the rod cavity of the compression piston through the pipeline, the piston body is pushed to move to the right through the work of the crankshaft, after the residual pressure is fully utilized, the non-pressure seawater can be pumped into the intercommunicated pipeline through the reverse direction of, therefore, the energy-saving effect is achieved by alternate and cyclic operation, the problems of energy waste and overhigh production cost in the prior art are solved, the design is scientific, and the popularization and the promotion of energy conservation, consumption reduction and seawater desalination treatment are facilitated.

Drawings

The present invention will be described in detail with reference to the accompanying drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of the structure of the energy conversion valve of the present invention

In the figure: 1. the device comprises a compression piston, 2, a piston body, 3, an energy conversion valve, 4, compression pipelines A and 5, compression pipelines B and 6, a reverse osmosis assembly, 7, compression pipelines C and 8, an intercommunication pipeline, 9, a desalinated seawater discharge pipe, 10, a water inlet pipe, 11, a one-way valve, 12, a non-pressure seawater discharge pipe, 13, a valve core, 14, a spring, 15, a valve sleeve, 16, an end cover, 17 and a water distribution sleeve.

Detailed Description

Shown in FIGS. 1 and 2: the reverse osmosis desalination equipment for seawater desalination treatment is provided with three compression pistons 1 which are connected with a power crankshaft and are internally provided with piston bodies 2 in parallel, the right ends of the three compression pistons 1 are respectively communicated with three energy conversion valves 3 through compression pipelines A4, one sides of the three compression pipelines A4 are respectively provided with a compression pipeline B5 which is communicated with a reverse osmosis assembly 6, and the right end of the reverse osmosis assembly 6 is additionally provided with a compression pipeline C7 which is respectively communicated with one side of the energy conversion valves 3; the three energy conversion valves 3 are respectively provided with intercommunication pipelines 8 at the other sides to be communicated with the rod cavities of the three compression pistons 1; a desalinated seawater discharge pipe 9 is additionally arranged on one side of the reverse osmosis component 6; the right ends of the three compression pistons 1 are respectively provided with an inlet pipe 10 capable of sucking seawater, the three energy conversion valves 3 are respectively provided with a non-pressure seawater discharge pipe 12, and the compression pipeline B5 and the inlet pipe 10 are respectively provided with a one-way valve 11. The energy conversion valve 3 is internally provided with a valve core 13, a spring 14 is sleeved at a thin rod in the middle of the valve core 13, one end of the spring 14 is tightly attached to the inner side surface of the valve core 13, the other end of the spring is tightly attached to a valve sleeve 15 arranged in the energy conversion valve 3, a space for the left and right movement of the valve core 13 is reserved between the two valve sleeves 15 in the energy conversion valve 3, a water distribution sleeve 17 is arranged in the middle of the two valve sleeves 15, both ends of a sliding surface at the right end of the valve core 13 are both convex conical structures, and the inner ends of. The compression line C7 is connected to the spring 14 fitted to the spool 13 of the power switching valve 3, and the communication line 8 is connected to the water distributing sleeve 17 of the power switching valve 3.

The working principle of the utility model is as follows: after the three compression pistons 1 are connected with the power crankshaft, the three compression pistons 1 alternately and circularly operate under the drive of the power crankshaft, and in the uninterrupted operation, sucked seawater enters the reverse osmosis assembly 6 through the compression pipeline B5 to pass throughThe built-in filter membrane is used for filtering and carrying out reverse osmosis desalination, meanwhile, a valve core 13 arranged in an energy conversion valve 3 connected with the built-in filter membrane is moved rightwards to plug a non-pressure seawater discharge pipe 12, 40% of fresh water can only be processed through a reverse osmosis assembly 6 in the prior art, the rest 60% of seawater with residual pressure is filtered through the reverse osmosis assembly 6, the residual pressure seawater enters the energy conversion valve 3 through a compression pipeline C7 and enters a rod cavity of a compression piston 1 through an intercommunicating pipeline 8, the rest pressure is matched with a power crankshaft to work immediately to push a built-in piston body 2 to move rightwards, after the piston body 2 reaches a stroke, the non-pressure seawater after the residual pressure is utilized reversely rotates along with the power crankshaft, the non-pressure seawater is extruded out of the non-pressure seawater discharge pipe 12 of the energy conversion valve 3 through the. Because the valve core 13 in the energy conversion valve 3 is linked with the piston body 2, when the piston body 2 moves rightwards, the rodless cavity of the compression piston 1 discharges high-pressure seawater to push the valve core 13 to move rightwards, the compression spring 14 compresses, the right convex conical surface of the valve core 13 and the concave conical surface on the valve sleeve 15 on the right side in the valve body 3 form a blocking state, and the residual pressure seawater conversion channel is opened; when the piston body 2 moves to the rightmost end and does return motion, no high-pressure seawater is discharged from the compression piston 1, the valve core 13 in the energy conversion valve moves to the left under the action of the elastic force of the spring 14, the left convex conical surface of the valve core 13 and the concave conical surface on the left valve sleeve 15 in the valve body 3 form a blocking state, the residual pressure seawater inlet is closed, and the non-pressure seawater discharge channel after doing work is opened. In the technical scheme, the valve core 13 in the energy conversion valve 3 moves left and right only about 7mm, a residual pressure seawater channel about 7mm can be displayed by moving the valve core right and left, and a non-pressure seawater discharge channel about 7mm is formed by moving the valve core left and right. When the technical scheme is implemented, three compression pistons 1 and three energy conversion valves 3 are combined into each phase error 120⁰The angle combination of (2) can make respective pipelines staggered to ensure smooth and convenient maintenance, installation and use. The utility model relates to a compression piston 1 is traditional plunger type compression piston 1, and the connecting rod in its compression piston 1 adopts crosshead shoe and power crankshaft to link to each other according to traditional modeAnd (6) connecting. And (4) repeatedly circulating, wherein in the integral operation, each component is mutually matched to form high-speed repeated operation. The technical scheme has excellent energy-saving effect and running state through repeated experiments of a prototype, and completely achieves the technical aim.

The word "left and right" is referred to in this document as: the expression of the characters of the space left between two valve sleeves 15 in the energy conversion valve 3 and right and left is a pertinence expression according to the drawings of the embodiment of the present document, and the purpose is to make the characters correspond to the drawings more intuitively.

The reverse osmosis module 6 described in this document is an existing high pressure filtration desalination plant.

The technical scheme adopts a combination mode that three compression pistons 1 are in a group, and mainly because after the three compression pistons 1 are combined with the motor through the crankshaft, every rotation circle of the motor is just the alternate stroke of the three compression pistons 1 after combination, the combination is the most economical, practical and effective combination mode, and the three compression pistons 1 are driven by the motor to run alternately in the moment.

Claims

1. The utility model provides an energy recuperation utilizes three piston sea water desalination all-in-one, is including built-in compression piston (1) that has piston body (2), its characterized in that: the reverse osmosis desalination equipment for seawater desalination treatment is provided with three compression pistons (1) which are connected with a power crankshaft and internally provided with piston bodies (2) in parallel, the right ends of the three compression pistons (1) are respectively communicated with three energy conversion valves (3) through compression pipelines A (4), one sides of the three compression pipelines A (4) are respectively provided with a compression pipeline B (5) which is communicated with a reverse osmosis assembly (6), and the right end of the reverse osmosis assembly (6) is additionally provided with a compression pipeline C (7) which is respectively communicated with one sides of the energy conversion valves (3); the three energy conversion valves (3) are respectively provided with intercommunicating pipelines (8) at the other sides to be communicated with the rod cavities of the three compression pistons (1); a desalinated seawater discharge pipe (9) is arranged on one side of the reverse osmosis component (6); the right ends of the three compression pistons (1) are respectively provided with a water inlet pipe (10) capable of sucking seawater, the three energy conversion valves (3) are respectively provided with a non-pressure seawater discharge pipe (12), and the compression pipeline B (5) and the water inlet pipe (10) are respectively provided with a one-way valve (11); the energy conversion valve is characterized in that a valve core (13) is arranged in the energy conversion valve (3), a spring (14) is sleeved at a thin rod in the middle of the valve core (13), one end of the spring (14) is tightly attached to the inner side surface of the valve core (13), the other end of the spring is tightly attached to a valve sleeve (15) arranged in the energy conversion valve (3), a space for the valve core (13) to move left and right is reserved between the two valve sleeves (15) in the energy conversion valve (3), a water distribution sleeve (17) is arranged in the middle of the two valve sleeves (15), both ends of a sliding surface at the right end of the valve core (13) are of convex conical structures, and the inner ends.

2. The energy recovery and utilization three-piston seawater desalination all-in-one machine as claimed in claim 1, wherein: the communication position of the compression pipeline C (7) is at the position where a spring (14) is sleeved on a valve core (13) in the energy conversion valve (3), and the communication pipeline (8) is communicated with the position of a water distributing sleeve (17) in the energy conversion valve (3).