CN210419607U

CN210419607U - Marine seawater desalination equipment

Info

Publication number: CN210419607U
Application number: CN201921149195.0U
Authority: CN
Inventors: 陈春跃
Original assignee: Suzhou Friends Of Blue Energy Purification Technology Co ltd
Current assignee: Suzhou Friends Of Blue Energy Purification Technology Co ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-04-28
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses a marine sea water desalination equipment, including preprocessing device, first force (forcing) pump, reverse osmosis unit, evaporation desalination device and water-collecting device, preprocessing device includes first shell and the screen cloth of setting in first shell, first filter core and second filter core, preprocessing device passes through the pipe connection with first force (forcing) pump, first force (forcing) pump passes through the pipe connection with reverse osmosis unit, reverse osmosis unit passes through the pipe connection with evaporation desalination device, evaporation desalination device includes evaporimeter and condenser, the evaporimeter is connected with reverse osmosis unit, the condenser is connected with the evaporimeter, be provided with steam inlet and steam outlet on the evaporimeter, the condenser passes through the pipe connection with water-collecting device. The utility model provides a marine seawater desalination equipment can effectively desalt the sea water, owing to set up reverse osmosis unit, and the salinity in the sea water reduces in evaporation desalination device, and evaporation desalination device is difficult for the scale deposit.

Description

Marine seawater desalination equipment

Technical Field

The utility model relates to a sea water desalination equipment especially relates to a marine sea water desalination equipment.

Background

For marine vessels that are sailing offshore, the seaman on the vessel needs sufficient fresh water and the operation of the vessel's power plant requires a large amount of fresh water. The ship stores fresh water through the water outlet cabin before going out of the sea, but when the voyage time is long, a large amount of water needs to be stored, the bearing space of the ship can be occupied, and the stored fresh water can occupy the tonnage of goods, thereby affecting the transportation capacity of the ship. Therefore, it is necessary to equip a marine desalination plant on a ship to desalinate seawater to produce fresh water, so as to meet the demand of the ship for fresh water.

The present common sea water desalting method includes distillation and reverse osmosis. Considering the factor of equipment volume, the current marine seawater desalination method is generally a distillation method. But the evaporation surface is easy to scale when the seawater is distilled and desalinated by the distillation equipment.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a marine seawater desalination equipment, its problem that combines reverse osmosis method and distillation method to solve the easy scale deposit of seawater desalination equipment evaporation surface of distillation method.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a marine sea water desalination equipment, includes preprocessing device, first force (forcing) pump, reverse osmosis unit, evaporation desalination device and water-collecting device, preprocessing device includes first shell and sets up screen cloth, first filter core and second filter core in the first shell, preprocessing device with first force (forcing) pump passes through the pipe connection, reverse osmosis unit with evaporation desalination device passes through the pipe connection, evaporation desalination device includes evaporimeter and condenser, the evaporimeter with reverse osmosis unit passes through the pipe connection, the condenser with the evaporimeter is connected, be provided with steam inlet and steam outlet on the evaporimeter, the condenser with water-collecting device passes through the pipe connection.

Preferably, a first partition plate and a second partition plate are arranged in the first shell, the first partition plate and the second partition plate divide the interior of the first shell into a first area, a second area and a third area, the screen and the first filter element are arranged in the first area, the second filter element is arranged in the second area, the first filter element is communicated with the second area, and the second filter element is communicated with the third area.

Preferably, the first shell is provided with a pretreatment water inlet and a pretreatment water outlet, the pretreatment water inlet is arranged at the top of the first shell and communicated with the first area, the pretreatment water outlet is communicated with the third area, and the pretreatment water outlet is connected with the first pressure pump through a pipeline.

Preferably, the screen is disposed above the first filter element, an end of the first filter element is connected to the first partition plate, and an end of the second filter element is connected to the second partition plate.

Preferably, the reverse osmosis device comprises a second shell and a reverse osmosis filter element arranged in the second shell, and a filter layer of the reverse osmosis filter element is a reverse osmosis membrane.

Preferably, the marine seawater desalination equipment further comprises an energy recovery device, wherein the energy recovery device is provided with a raw water inlet, a raw water outlet, a concentrated water inlet and a concentrated water outlet, the raw water inlet is connected with the pretreatment device through a pipeline, the raw water outlet is connected with the reverse osmosis device through a pipeline, and the concentrated water inlet is connected with the reverse osmosis device through a pipeline.

Preferably, the evaporator comprises a sleeve and a water pipeline arranged in the sleeve, the steam inlet and the steam outlet are arranged on the sleeve, the steam inlet is arranged above the steam outlet, and the water pipeline is communicated and connected with the condenser.

Preferably, a second booster pump is arranged between the reverse osmosis device and the evaporation desalination device.

The utility model has the advantages that: the utility model provides a marine sea water desalination equipment can effectively desalt the sea water, owing to set up reverse osmosis unit, the salinity in the sea water reduces in evaporation desalination unit concentration, and evaporation desalination unit is difficult for the scale deposit, and the equipment volume of reverse osmosis method desalination sea water relatively simultaneously reduces, has reduced the crowded space that accounts for the boats and ships.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the pretreatment apparatus of the present invention;

FIG. 3 is a schematic structural view of an evaporator according to the present invention;

fig. 4 is a schematic structural diagram of the energy recovery device of the present invention;

wherein: 1. the system comprises a pretreatment device, 101, a first shell, 102, a screen, 103, a first filter element, 104, a second filter element, 105, a first partition plate, 106, a second partition plate, 107, a pretreatment water inlet, 108, a pretreatment water outlet, 2, a first pressure pump, 3, a reverse osmosis device, 4, a second pressure pump, 5, an evaporator, 501, a sleeve, 502, a water pipeline, 6, a condenser, 7, a water collecting device, 8, an energy recovery device, 801, a raw water inlet, 802, a raw water outlet, 803, a concentrated water inlet, 804, a concentrated water outlet, 9, a steam inlet and 10 a steam outlet.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, a seawater desalination plant for a ship comprises a pretreatment device 1, a first booster pump 2, a reverse osmosis device 3, an evaporation desalination device, a water collection device 7 and an energy recovery device 8. The pretreatment device 1, the first booster pump 2, the reverse osmosis device 3, the evaporation desalination device and the water collection device 7 are sequentially connected through pipelines.

Referring to fig. 2, the pretreatment device 1 is connected to a first pressurizing pump 2 through a pipe. The pretreatment device 1 includes a first casing 101, and a screen 102, a first filter element 103, and a second filter element 104 provided in the first casing 101. The screen 102 is used to remove large particles from the seawater to improve the service life of the first and

second filter elements

103 and 104. The first filter element 103 and the second filter element 104 are used for adsorbing suspended particles and microorganisms in seawater. A first partition 105 and a second partition 106 are provided in the first casing 101, and the first partition 105 and the second partition 106 divide the interior of the first casing 101 into a first area, a second area, and a third area. The first shell 101 is provided with a pretreatment water inlet 107 and a pretreatment water outlet 108, the pretreatment water inlet 107 is arranged at the top of the first shell 101 and communicated with the first area, and the pretreatment water outlet 108 is communicated with the third area. A screen 102 and a first filter element 103 are disposed within the first region, and the screen 102 is disposed above the first filter element 103. The first cartridge 103 communicates with the second region, and an end of the first cartridge 103 is connected to the first separator 105. A second filter element 104 is disposed in the second region, the second filter element 104 being in communication with the third region. The end of the second cartridge 104 is connected to a second baffle 106. The pipeline for connecting the pretreatment device 1 and the first booster pump 2 is connected with the pretreatment water outlet 108.

The first booster pump 2 is connected with the reverse osmosis device 3 through a pipeline. The reverse osmosis device 3 comprises a second shell and a reverse osmosis filter element arranged in the second shell, and a filter layer of the reverse osmosis filter element is a reverse osmosis membrane.

A second booster pump 4 is arranged between the reverse osmosis device 3 and the evaporation desalination device, the second booster pump 4 is connected with a pipeline for connecting the reverse osmosis device 3 and the evaporation desalination device, and the function of the second booster pump is to improve the flow rate of the seawater desalinated by the reverse osmosis device 3.

The evaporation desalination device comprises an evaporator 5 and a condenser 6. The evaporator 5 is used for being connected with the reverse osmosis device 3, and the condenser 6 is connected with the evaporator 5 through a pipeline.

Referring to fig. 3, the evaporator 5 is provided with a steam inlet 9 and a steam outlet 10. The evaporator 5 comprises a sleeve 501 and a water-through pipeline 502 arranged in the sleeve 501, a steam inlet 9 and a steam outlet 10 are arranged on the sleeve 501, the steam inlet 9 is arranged above the steam outlet 10, and the water-through pipeline 502 is communicated and connected with the condenser 6. The condenser 6 is connected with the water collecting device 7 through a pipeline. The water collecting device 7 is a cylinder for collecting fresh water. The seawater enters the water pipeline 502 under the action of the second pressure pump 4, is evaporated under the action of the steam, and is finally condensed into fresh water through the condenser 6. The condenser 6 is mounted above the evaporator 5 and the water collecting device 7 by brackets.

Referring to fig. 4, the energy recovery device 8 is provided with a raw water inlet 801, a raw water outlet 802, a concentrated water inlet 803, and a concentrated water outlet 804, wherein the raw water inlet 801 is connected to the pretreatment device 1 through a pipeline, the raw water outlet 802 is connected to the reverse osmosis device 3 through a pipeline, and the concentrated water inlet 803 is connected to the reverse osmosis device 3 through a pipeline. The energy recovery device 8 can recover the kinetic energy of the concentrated water with the higher flow speed after the reverse osmosis device 3 comes out, the power consumption of the first pressure pump 2 is reduced, and the energy is saved.

The working process of the marine seawater desalination equipment is as follows:

seawater enters the pretreatment device 1 under the action of the submersible pump, impurities such as particles, microorganisms and the like are removed under the action of the screen 102, the first filter element 103 and the second filter element 104, and then the seawater enters the reverse osmosis device 3 under the action of the first pressure pump 2 to be subjected to reverse osmosis desalination. The desalinated seawater enters the water pipeline 502 in the evaporator 5 under the action of the second pressure pump 4, is evaporated under the action of steam, and is finally condensed into fresh water through the condenser 6. The condensed fresh water enters the water collecting device 7.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.

Claims

1. The marine seawater desalination equipment is characterized by comprising a pretreatment device (1), a first pressure pump (2), a reverse osmosis device (3), an evaporation desalination device and a water collection device (7), wherein the pretreatment device (1) comprises a first shell (101), a screen (102), a first filter element (103) and a second filter element (104) which are arranged in the first shell (101), the pretreatment device (1) is connected with the first pressure pump (2) through a pipeline, the first pressure pump (2) is connected with the reverse osmosis device (3) through a pipeline, the evaporation desalination device comprises an evaporator (5) and a condenser (6), the evaporator (5) is connected with the reverse osmosis device (3), the condenser (6) is connected with the evaporator (5) through a pipeline, and the evaporator (5) is provided with a steam inlet (9) and a steam outlet (10), the condenser (6) is connected with the water collecting device (7) through a pipeline.

2. Marine seawater desalination apparatus according to claim 1, wherein a first partition plate (105) and a second partition plate (106) are provided in the first casing (101), the first partition plate (105) and the second partition plate (106) divide the interior of the first casing (101) into a first region, a second region and a third region, the screen (102) and the first filter element (103) are provided in the first region, the second filter element (104) is provided in the second region, the first filter element (103) communicates with the second region, and the second filter element (104) communicates with the third region.

3. The marine seawater desalination apparatus of claim 2, wherein the first casing (101) is provided with a pre-treatment water inlet (107) and a pre-treatment water outlet (108), the pre-treatment water inlet (107) is arranged at the top of the first casing (101) and is communicated with the first area, the pre-treatment water outlet (108) is communicated with the third area, and the pre-treatment water outlet (108) is connected with the first booster pump (2) through a pipeline.

4. Marine seawater desalination apparatus according to claim 3, wherein the screen (102) is arranged above the first filter element (103), the end of the first filter element (103) being connected to the first baffle (105), and the end of the second filter element (104) being connected to the second baffle (106).

5. Marine seawater desalination plant according to claim 1, wherein the reverse osmosis unit (3) comprises a second housing and a reverse osmosis filter element arranged in the second housing, the filter layer of the reverse osmosis filter element being a reverse osmosis membrane.

6. The marine seawater desalination apparatus according to claim 1, further comprising an energy recovery device (8), wherein the energy recovery device (8) is provided with a raw water inlet (801), a raw water outlet (802), a concentrated water inlet (803), and a concentrated water outlet (804), the raw water inlet (801) is connected with the pretreatment device (1) through a pipeline, the raw water outlet (802) is connected with the reverse osmosis device (3) through a pipeline, and the concentrated water inlet (803) is connected with the reverse osmosis device (3) through a pipeline.

7. Marine seawater desalination plant according to claim 1, characterized in that the evaporator (5) comprises a sleeve (501) and a water conduit (502) arranged in the sleeve (501), the steam inlet (9) and the steam outlet (10) are arranged on the sleeve (501) and the steam inlet (9) is arranged above the steam outlet (10), and the water conduit (502) is connected to the condenser (6).

8. Marine seawater desalination plant according to claim 1, characterized in that a second booster pump (4) is arranged between the reverse osmosis unit (3) and the evaporation desalination unit.