CN215886459U

CN215886459U - Portable individual-soldier seawater desalination device

Info

Publication number: CN215886459U
Application number: CN202121338244.2U
Authority: CN
Inventors: 许伟; 郑鹏鑫; 盛峰; 周行健
Original assignee: Chimey Environment Science & Technnology Co ltd
Current assignee: Chimey Environment Science & Technnology Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2022-02-22
Anticipated expiration: 2031-06-16

Abstract

A portable individual seawater desalination device comprises a reverse osmosis membrane component, a double-plunger component and a handle; a shaft pin is arranged between the double-plunger component and the handle; the reverse osmosis membrane component comprises a desalted water outlet hose joint, a concentrated water outlet hose joint, a reverse osmosis membrane and a membrane shell; a rear end cover and a front end cover are arranged at two ends of the membrane shell; the double-plunger assembly comprises a plunger group, a pump body, a one-way valve and a seawater inlet hose joint; the two groups of the plunger groups are alternately operated and arranged in the pump body, and both the two groups of the plunger groups are connected with a joint of a seawater inlet hose; a pump shell is coated outside the pump body; the seawater inlet hose joint is arranged at the position close to the middle of the membrane shell. The utility model has the following beneficial effects: the double-plunger structure is adopted to alternatively absorb water, so that the efficiency of the double-plunger structure is further improved; the inlet water is arranged in the middle and is separated from the water outlet at the far end, so that the pumped seawater can fully participate in reverse osmosis, and the whole set of reverse osmosis membrane can be better utilized; the connecting piece and the pump body are fixed on the pump body, and the pump shell is arranged outside the pump body, so that the key parts of the device are effectively protected from being damaged.

Description

Portable individual-soldier seawater desalination device

Technical Field

The utility model relates to the field of environment and resources, in particular to a portable individual-soldier seawater desalter.

Background

The capture of fresh water is a key technical issue when living or performing tasks in offshore or land environments that are scarce of fresh water. In case of emergency, self-supply fresh water is not enough and it is difficult to supply fresh water remotely. In the face of abundant seawater resources, if a large amount of seawater resources can be converted into fresh water in a short time by a seawater desalination technology, all the requirements for survival, rescue and the like can be met. Generally, marine missions or land rescue missions are performed in squads or even single persons, and thus, there is a need for a small portable related seawater desalination product.

At present, the reverse osmosis membrane technology is mature, seawater can be quickly treated for desalination, and the desalinated water meets the drinking water quality standard. However, most of the seawater desalination equipment is large and depends on conventional energy, and cannot be carried about, so that the original seawater desalination equipment needs to be miniaturized. The hydraulic manual individual seawater desalination device disclosed in the Chinese patent document has a publication number of CN106241962A, and comprises a driving structure, a pressurizing structure and a reverse osmosis membrane assembly, wherein the driving structure comprises a push-pull handle and a connecting piece, the pressurizing structure comprises a shell, and the shell of the pressurizing structure is provided with a seawater inlet pipe and a concentrated water outlet pipe; the cavity includes a first cavity and a second cavity separated by a partition. The utility model combines the lever, hydraulic pressure and membrane method seawater desalination technology, can fully recycle the pressure of high-pressure concentrated water and the jet flow and vacuum action of concentrated water discharge, and saves pressure; the double piston rods respectively control water absorption and water drainage, and the efficiency is improved by synchronous operation; the portable electric power transmission device is convenient for an individual soldier to carry, does not need electric power, is labor-saving and efficient, is wear-resistant and corrosion-resistant, has long service life, and is easy to disassemble and replace parts.

According to the scheme, the double pistons are used for alternately absorbing water and discharging water, the desalination efficiency is improved, the pressure of concentrated water and jet flow are used for reducing the handle thrust, and the desalination device is further provided with a safety valve and a pressure relief hole. However, the efficiency of the double pistons for alternately performing water suction and water discharge is improved, only because the internal water pressure is reduced, the operation speed of the handle is increased, water suction and water discharge can be performed at the same time, and a more efficient utilization mode exists for the double pistons; the seawater inlet and the concentrated water outlet of the device are too close to each other, so that seawater is discharged from the concentrated water outlet without being fully filtered, the efficiency is reduced, and the three water inlets and the three water outlets are concentrated at one end of the reverse osmosis membrane component, so that the reverse osmosis membrane at the other end of the reverse osmosis membrane component cannot be fully utilized; the handle, the connecting piece and the piston rod of the device are exposed outside, and the parts are easy to deform or loosen due to impact or collision under severe conditions, so that the device cannot be used.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes the defects of underutilization of double pistons, unreasonable arrangement of water inlets and water outlets, unprotected parts and the like in the prior art, and provides the portable individual seawater desalination device which utilizes the double pistons to alternatively absorb water, reasonably arranges the water inlets and the water outlets to fully utilize reverse osmosis membranes, is provided with a protection device to protect the water inlets and the water outlets, and stabilizes the structure of the device.

In order to solve the above problems, the present invention adopts the following technical solutions.

A portable individual seawater desalination device comprises a reverse osmosis membrane component, a double-plunger component and a handle; the reverse osmosis membrane module is fixedly connected with the double-plunger module; a shaft pin serving as a connecting piece is arranged between the double-plunger assembly and the handle; the reverse osmosis membrane component comprises a desalted water outlet hose joint, a concentrated water outlet hose joint, a reverse osmosis membrane and a membrane shell which are arranged on the same end face; a rear end cover and a front end cover which are fixedly connected with the membrane shell are arranged at two ends of the membrane shell; the double-plunger assembly comprises a plunger group, a pump body, a one-way valve and a seawater inlet hose joint; the two groups of the plunger groups are alternately operated and arranged in the pump body, and both the two groups of the plunger groups are connected with a joint of a seawater inlet hose; the shaft pin is connected with the pump body; a pump shell is coated outside the pump body; the seawater inlet hose joint is arranged at the position close to the middle of the membrane shell. The device adopts a double-plunger structure to alternatively absorb water, so that the efficiency of the double-plunger structure is further improved; the inlet water is arranged in the middle and is separated from the water outlet at the far end, so that the pumped seawater can fully participate in reverse osmosis, and the whole set of reverse osmosis membrane can be better utilized; the connecting piece and the pump body are fixed on the pump body, and the pump shell is arranged outside the pump body, so that the key parts of the device are effectively protected from being damaged.

Preferably, the reverse osmosis membrane component is also provided with a water discharging valve core and a water discharging switch; the water drain switch is a manual switch; the water drain switch can ensure that the pressure can be released and checked in time when the pressure is too high, so that the seawater desalination device can keep longer service life. .

Preferably, an intermediate pipe is arranged between the desalted water outlet hose joint and the reverse osmosis membrane; the middle pipe is fixed on the front end cover; the intermediate pipe has the functions of collecting water flow and fixing a hose connector.

Preferably, a safety screw is sleeved on the outer side of the middle pipe; the safety screw is connected with the membrane shell and the middle pipe in an extrusion way; the safety screw can absorb the impact force received by the middle pipe, and the pipeline is ensured to be intact.

Preferably, a pressure regulating screw and a pressure regulating valve core are arranged between the concentrated water outlet hose joint and the reverse osmosis membrane; according to the difference of water quality, the pressure regulating screw is manually regulated to control the discharge pressure of concentrated water, so that the water production efficiency or the water quality of produced water is improved.

Preferably, the plunger set comprises a plunger sleeve, a plunger and a plunger guide sleeve; the plunger groups are symmetrically distributed relative to the seawater inlet hose joint; the plunger is movably connected with the handle.

Preferably, the bottom of the plunger sleeve is provided with a front sealing cover; the front sealing cover is fixedly connected with the pump shell; the front cover and the pump shell simultaneously play the roles of protecting and positioning the double plungers.

Preferably, two one-way valves are correspondingly arranged on each plunger; the one-way valve is fixed by a sealing screw; the two one-way valves are respectively used for alternately sucking seawater and pumping the seawater into the reverse osmosis membrane module.

Preferably, the tail part of the handle is provided with a handle sleeve connected through threads; the outer diameter of the handle sleeve is gradually increased from the head part to the tail part, and an anti-skid layer is arranged on the outer surface of the handle sleeve; threaded connection prevents that the handle cover from taking off, and great tail end and skid resistant course make the handle can not take off the hand under the special circumstances such as rainy day or glue greasy dirt, guarantee device operation.

Preferably, the outer end faces of the rear end cover and the front sealing cover are flush; the protruding portion can prevent to appear in the side of parallel and level, reduces because the risk that the protruding portion collided with and warp the damage.

Therefore, the utility model has the following beneficial effects: (1) and the double-plunger structure is adopted to alternatively absorb water, so that the efficiency of the double-plunger structure is further improved. (2) The inlet water is arranged in the middle and is separated from the water outlet at the far end, so that the pumped seawater can fully participate in reverse osmosis, and the whole set of reverse osmosis membrane can be better utilized. (3) The connecting piece and the pump body are fixed on the pump body, and the pump shell is arranged outside the pump body, so that the key parts of the device are effectively protected from being damaged.

Drawings

Fig. 1 is a cross-sectional view of the overall structure of the present invention.

Fig. 2 is an assembly schematic of the present invention.

In the figure: 1-a water discharging valve core, 2-a water discharging switch, 3-a safety screw, 4-a desalted water outlet hose joint, 5-a concentrated water outlet hose joint, 6-a middle pipe, 7-a pressure regulating screw, 8-a pressure regulating valve core, 9-a reverse osmosis membrane, 10-a membrane shell, 11-a rear end cover, 12-a plunger sleeve, 13-a plunger sleeve, 14-a plunger, 15-a shaft pin, 16-a plunger guide sleeve, 17-a pump shell, 18-a pump body, 19-a one-way valve, 20-a sealing screw, 21-a seawater inlet hose joint, 22-a handle, 23-a handle sleeve and 24-a front end cover.

Detailed Description

The following further describes embodiments of the present invention by way of specific examples.

As shown in fig. 1 and 2, the portable individual seawater desalination device comprises a reverse osmosis membrane module, a double-plunger module and a handle 22; the reverse osmosis membrane module is fixedly connected with the double-plunger module; a shaft pin 15 serving as a connecting piece is arranged between the double-plunger assembly and the handle 22; the reverse osmosis membrane component comprises a desalted water outlet hose joint 4, a concentrated water outlet hose joint 5, a reverse osmosis membrane 9 and a membrane shell 10 which are arranged on the same end face; a rear end cover 11 and a front end cover 24 which are fixedly connected with the membrane shell 10 are arranged at two ends of the membrane shell 10; the double-plunger assembly comprises a plunger group, a pump body 18, a one-way valve 19 and a seawater inlet hose joint 21; the two groups of the plunger groups are alternately operated and arranged in the pump body 18, and are connected with a seawater inlet hose joint 21; the shaft pin 15 is connected with the pump body 18; a pump shell 17 is coated outside the pump body 18; the seawater inlet hose joint 21 is arranged at a position close to the middle of the membrane shell 10.

Specifically, the reverse osmosis membrane component is also provided with a water discharging valve core 1 and a water discharging switch 2; the water drain switch 2 is a manual switch.

Specifically, a middle pipe 6 is arranged between the desalted water outlet hose joint 4 and the reverse osmosis membrane 9; the intermediate tube 6 is fixed to the front end cap 24.

Specifically, a safety screw 3 is sleeved outside the middle pipe 6; the safety screw 3 is connected with the membrane shell 10 and the middle tube 6 in a pressing mode.

Specifically, a pressure regulating screw 7 and a pressure regulating valve core 8 are arranged between the concentrated water outlet hose joint 5 and the reverse osmosis membrane 9; the pressure regulating screw 7 can be manually adjusted.

Specifically, the plunger set comprises a plunger sleeve 12, a plunger 14 and a plunger guide sleeve 16; the plunger groups are symmetrically distributed relative to the seawater inlet hose joint 21; the plunger 14 is movably connected to the handle 22.

Specifically, the bottom of the plunger sleeve 12 is provided with a front sealing cover 13; the front cover 13 is fixedly connected to the pump housing 17.

Specifically, two check valves 19 are provided for each plunger 14; the one-way valve 19 is fixed by a sealing screw 20; in the embodiment, each one-way valve 19 is fixed by one sealing screw 20.

Specifically, a handle sleeve 23 connected through threads is arranged at the tail of the handle 22; the outer diameter of the handle sleeve 23 gradually increases from the head to the tail, and an anti-slip layer is arranged on the outer surface of the handle sleeve 23.

Specifically, the outer end faces of the rear end cover 11 and the front cover 13 are flush.

The working process of the utility model is as follows.

As shown in fig. 1 and 2, when fresh water is needed, the handle is pressed by hand, seawater enters the pump shell from the joint of the seawater inlet hose through the hose, the other end of the handle in the pump body plays a role of a piston rod to drive the double-plunger piston to absorb water, then the water is discharged into a pipeline provided with a one-way valve and enters the membrane shell, enters the membrane middle pipe through the reverse osmosis membrane under the action of the internal pressure of the system, and flows into the joint of the desalinated water outlet hose and flows out through the hose. Meanwhile, after the pressure of the concentrated water reaches a certain value, the pressure of the pressure regulating valve core and the spring is burst, and the concentrated water is discharged through a connecting hose of a concentrated water outlet hose joint.

For the filtration of seawater with different water qualities, the water quality of discharged water and produced water can be regulated and controlled by adjusting the pressure of the pressure regulating valve. When the seawater has less impurities and the water quality is high, the proportion of fresh water which can be filtered by unit seawater is larger, and the pressure of the pressure regulating valve can be properly increased to increase the water yield per unit time; when the quality of the seawater is poor, the pressure of the pressure regulating valve can be properly reduced, the filtering time of the seawater in the reverse osmosis membrane is prolonged, and the quality of the produced water is improved.

When the device breaks down and the internal pressure is abnormal, the water discharge switch can be manually pressed down to perform water discharge adjustment and disassembly and cleaning. The operation can effectively ensure the normal operation of the portable individual seawater desalination device, so that the seawater desalination device can keep a longer service life.

The above-mentioned embodiments are only used to further illustrate the portable individual seawater desalination device of the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification made to the above-mentioned embodiments according to the technical spirit of the present invention fall within the protection scope of the technical solution of the present invention.

Claims

1. A portable individual soldier sea water desalination device which is characterized in that: comprises a reverse osmosis membrane component, a double-plunger component and a handle (22); the reverse osmosis membrane module is fixedly connected with the double-plunger module; a shaft pin (15) serving as a connecting piece is arranged between the double-plunger assembly and the handle (22); the reverse osmosis membrane component comprises a desalted water outlet hose joint (4), a concentrated water outlet hose joint (5), a reverse osmosis membrane (9) and a membrane shell (10) which are arranged on the same end face; a rear end cover (11) and a front end cover (24) which are fixedly connected with the membrane shell (10) are arranged at the two ends of the membrane shell (10); the double-plunger assembly comprises a plunger group, a pump body (18), a one-way valve (19) and a seawater inlet hose joint (21); the two groups of the plunger groups are alternately operated and arranged in the pump body (18), and are connected with a seawater inlet hose joint (21); the shaft pin (15) is connected with the pump body (18); a pump shell (17) is coated on the outer side of the pump body (18); the seawater inlet hose joint (21) is arranged at the position close to the middle of the membrane shell (10).

2. The portable individual seawater desalination device of claim 1, wherein: the reverse osmosis membrane component is also provided with a water discharging valve core (1) and a water discharging switch (2); the water drain switch (2) is a manual switch.

3. The portable individual seawater desalination device of claim 1, wherein: a middle pipe (6) is arranged between the desalted water outlet hose joint (4) and the reverse osmosis membrane (9); the middle tube (6) is fixed on the front end cover (24).

4. The portable individual seawater desalination device of claim 3, wherein: the outer side of the middle pipe (6) is sleeved with a safety screw (3); the safety screw (3) is connected with the membrane shell (10) and the middle tube (6) in an extrusion mode.

5. The portable individual seawater desalination device of claim 1, wherein: a pressure regulating screw (7) and a pressure regulating valve core (8) are arranged between the concentrated water outlet hose joint (5) and the reverse osmosis membrane (9).

6. The portable individual seawater desalination device of claim 1, wherein: the plunger group comprises a plunger sleeve (12), a plunger (14) and a plunger guide sleeve (16); the plunger groups are symmetrically distributed relative to the seawater inlet hose joint (21); the plunger (14) is movably connected with the handle (22).

7. The portable individual seawater desalination device of claim 6, wherein: the bottom of the plunger sleeve (12) is provided with a front sealing cover (13); the front sealing cover (13) is fixedly connected with the pump shell (17).

8. The portable individual seawater desalination device of claim 6, wherein: two one-way valves (19) are correspondingly arranged on each plunger (14); the one-way valve (19) is fixed by a sealing screw (20).

9. The portable individual seawater desalination device of any one of claims 1 to 8, wherein: the tail part of the handle (22) is provided with a handle sleeve (23) connected through threads; the outer diameter of the handle sleeve (23) gradually increases from the head to the tail, and an anti-slip layer is arranged on the outer surface of the handle sleeve (23).

10. The portable individual seawater desalination device of any one of claims 1 to 8, wherein: the outer end faces of the rear end cover (11) and the front sealing cover (13) are flush.