CN216273392U - Seawater separation and enrichment system - Google Patents

Seawater separation and enrichment system Download PDF

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Publication number
CN216273392U
CN216273392U CN202122694132.7U CN202122694132U CN216273392U CN 216273392 U CN216273392 U CN 216273392U CN 202122694132 U CN202122694132 U CN 202122694132U CN 216273392 U CN216273392 U CN 216273392U
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China
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tangential ultrafiltration
stage
seawater
ultrafiltration device
water inlet
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CN202122694132.7U
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崔西亮
辛宇
李遵伟
孙承哲
张孟
徐洪军
毕显斌
尚宏坤
刘文锋
郑芳
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Qingdao Marine Science And Technology Center
Ocean University of China
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Ocean University of China
Qingdao National Laboratory for Marine Science and Technology Development Center
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Abstract

The utility model relates to a seawater separation and enrichment system, which belongs to the technical field of seawater separation and enrichment and comprises a frame, a tangential ultrafiltration device arranged step by step, a transfer collection box, a sample collection box arranged step by step, an extraction pump and a booster pump; wherein, the filtering aperture of the tangential ultrafiltration device is gradually decreased, and each stage of tangential ultrafiltration device is connected with a water inlet pipe, a water outlet pipe and a sample outlet pipe; the transfer collection box is arranged between every two adjacent stages of tangential ultrafiltration devices; the stage number of the sample collecting box is one stage more than that of the tangential ultrafiltration device, and the sample collecting box is respectively communicated with a sample outlet pipe of the tangential ultrafiltration device with the corresponding stage number and a water outlet pipe of the last tangential ultrafiltration device; the extraction pump is arranged on a water inlet pipe of the first-stage tangential ultrafiltration device; the booster pump is used for conveying the seawater between the adjacent two stages of tangential ultrafiltration devices. The seawater separation and enrichment system can realize high-efficiency and high-flux fractional separation and enrichment of seawater on the sea and provide high-quality seawater and microorganism samples.

Description

Seawater separation and enrichment system
Technical Field
The utility model belongs to the technical field of seawater separation and enrichment, and particularly relates to a seawater separation and enrichment system.
Background
Seawater is a complex system, wherein dissolved inorganic nutrient salts, dissolved organic matters, particulate matters, a large number of microorganisms, bacteria, algae and the like exist, so that in modern marine scientific research, particularly in the process of marine scientific research operation, the separation and enrichment of seawater is an important means for accurately dividing different components in a seawater system, and water body samples, microorganism samples and the like representing different scientific meanings can be obtained by filtering through filter membranes with different pore diameters.
At present, with the development of modern marine science, particularly the development of metagenome/transcriptome technology/proteome/organic matter analysis, the volume of seawater filtered once is larger and larger. However,the effective filtering area and the filtering vessel volume reach the upper limit (the area of the filtering membrane is less than or equal to 0.07 m) due to the size limitation of the current commercial portable filtering vessel at home and abroad2And at most six filters are connected in parallel), the problems of long separation and enrichment time (1-48h) and limited single filtration volume (less than or equal to 600L) generally exist in seawater separation and enrichment operation at sea, the efficiency of seawater separation and enrichment operation and the quality of a microorganism sample are seriously influenced (the storage time of the microorganism RNA sample at room temperature is less than or equal to 1h, and the microorganism RNA sample is remarkably degraded if the storage time is more than or equal to 1 h), and the existing commercial filter device cannot meet the increasing requirements of high-quality seawater samples and microorganism samples in ocean science. And traditional deck collection water sample shifts to the mode of laboratory filtration wastes time and energy, and the sample exposes in air and illumination for a long time in filtering process, very big increase the risk that sea water sample and microorganism sample are polluted or are rotten.
Therefore, how to improve the efficiency of seawater separation and enrichment and provide high-quality seawater and microorganism samples to meet the increasing demands of marine science research is a technical problem which needs to be solved urgently in the field.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems, the utility model provides a seawater separation and enrichment system which can realize efficient and high-flux fractional separation and enrichment of seawater at sea, provide high-quality seawater and microorganism samples and meet the increasing demand of marine science research.
The utility model provides a seawater separation and enrichment system, which comprises:
a frame;
the tangential ultrafiltration devices are arranged step by step, the tangential ultrafiltration devices are arranged on the frame, the filtration pore diameters of the tangential ultrafiltration devices are gradually reduced step by step, and each stage of tangential ultrafiltration device is connected with a water inlet pipe, a water outlet pipe and a sample outlet pipe;
the transfer collection box is arranged between every two adjacent stages of the tangential ultrafiltration devices and is respectively communicated with a water outlet pipe of the adjacent upper stage of the tangential ultrafiltration device and a water inlet pipe of the adjacent lower stage of the tangential ultrafiltration device;
the sample collection boxes are arranged step by step, the stage number of the sample collection boxes is one stage more than that of the tangential ultrafiltration devices, the sample collection boxes with the stage number corresponding to the tangential ultrafiltration devices are respectively communicated with the sample outlet pipes of the tangential ultrafiltration devices with the stage number corresponding to the tangential ultrafiltration devices, and the sample collection boxes of the last stage are communicated with the water outlet pipes of the tangential ultrafiltration devices of the last stage;
the extraction pump is used for extracting seawater and is arranged on a water inlet pipe of the first-stage tangential ultrafiltration device;
and the booster pump is used for conveying the seawater between the adjacent two stages of the tangential ultrafiltration devices, and is arranged on the water inlet pipe between each transfer collection box and the next stage of the tangential ultrafiltration device adjacent to the transfer collection box.
In some embodiments, the water inlet pipe, the water outlet pipe and the sample outlet pipe are fast-assembly pipelines.
In some embodiments, the water inlet pipe, the water outlet pipe and the sample outlet pipe are corrugated pipes.
In some embodiments, the water inlet pipe of each stage of the tangential ultrafiltration device is provided with a water inlet control valve, an inlet flow meter and an inlet pressure gauge, and the water outlet pipe of each stage of the tangential ultrafiltration device is provided with a water outlet control valve and an outlet flow meter.
In some embodiments, the water inlet control valve, the inlet flowmeter and the inlet pressure gauge are detachably connected to the water inlet pipe through quick-assembly connecting pieces, and the water outlet control valve and the outlet flowmeter are detachably connected to the water outlet pipe through quick-assembly connecting pieces.
In some of these embodiments, the tangential ultrafiltration device is removably mounted to the frame by a hoop style bracket.
In some embodiments, the tangential ultrafiltration device comprises a membrane shell, a filter element arranged in the membrane shell, and two sealing caps respectively arranged at two axial ends of the membrane shell; the side part of the membrane shell is provided with an interface for connecting the sample outlet pipe; the sealing plugging covers are plugged at the axial end parts of the membrane shells through sealing connecting pieces, one sealing plugging cover is provided with a water inlet to be connected with the water inlet pipe, and the other sealing plugging cover is provided with a water outlet to be connected with the water outlet pipe; two sealed blanking cover orientation one side of filter core all is equipped with the mount pad, the axial both ends of filter core are installed in two through filter core fixed joint respectively on the mount pad of sealed blanking cover.
In some of these embodiments, the extraction pump is a horizontal pump and the booster pump is a vertical pump.
Compared with the prior art, the utility model has the advantages and positive effects that:
1. the seawater separation and enrichment system can be directly built on a ship for use, can realize high-efficiency and high-flux fractional separation and enrichment of seawater on the sea through the multistage series-connected tangential ultrafiltration devices, can complete high-flux filtration of 500L-1000L of seawater per hour, obtains high-quality seawater samples and microorganism samples, and can meet the increasing demand of marine science research;
2. the seawater separation and enrichment system provided by the utility model has high automation degree, saves a large amount of time and labor cost, and has remarkable economic benefit;
3. the seawater separation and enrichment system provided by the utility model has the advantages that the mutual dependence of all parts is small, the maintenance is convenient, the parts can be independently replaced, and the seawater separation and enrichment system is suitable for reliable operation on the sea.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
fig. 1 is a perspective view of a seawater separation and enrichment system provided in an embodiment of the present invention;
FIG. 2 is a top view of a seawater separation and enrichment system provided in an embodiment of the present invention;
FIG. 3 is a schematic diagram of a fast-assembly connection in a seawater separation and enrichment system according to an embodiment of the present invention;
fig. 4 is an assembly schematic diagram of a water inlet control valve, an inlet flowmeter and an inlet pressure gauge in the seawater separation and enrichment system provided by the embodiment of the utility model;
fig. 5 is an exploded view of a tangential ultrafiltration device in a seawater separation and enrichment system provided by an embodiment of the utility model.
In the figure:
1. a frame; 2. an extraction pump; 3. a tangential ultrafiltration device; 31. a water inlet pipe; 32. a water outlet pipe; 33. a sample outlet pipe; 34. a membrane shell; 341. an interface; 35. a filter element; 36. sealing the plugging cover; 361. a mounting seat; 37. a sealing connection; 38. a filter element fixing joint; 4. a sample collection box; 5. a transfer collection box; 6. a booster pump; 7. a water inlet control valve; 8. an inlet flow meter; 9. an inlet pressure gauge; 10. an outlet flow meter; 11. a water outlet control valve; 12. a hoop type bracket; 13. quickly mounting the pipe fitting; 14. a sealing gasket; 15. clamping a hoop; 16. a quick-mounting connecting piece; 161. quickly installing a tee joint; 162. fast mounting and direct connection; 163. and (5) quickly installing an elbow.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inside", "outside", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 1, are only used for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in the attached drawings 1-2, the embodiment of the utility model provides a seawater separation and enrichment system, which comprises a frame 1, a tangential ultrafiltration device 3 arranged step by step, a transit collection box 5, a sample collection box 4 arranged step by step, an extraction pump 2 and a booster pump 6; the tangential ultrafiltration device 3 is arranged on the frame 1, the filtration pore diameter of the tangential ultrafiltration device 3 decreases gradually step by step, and each stage of tangential ultrafiltration device 3 is connected with a water inlet pipe 31, a water outlet pipe 32 and a sample outlet pipe 33; the transfer collection box 5 is arranged between every two adjacent stages of tangential ultrafiltration devices 3 and is respectively communicated with a water outlet pipe 32 of the adjacent upper stage tangential ultrafiltration device 3 and a water inlet pipe 31 of the adjacent lower stage tangential ultrafiltration device 3; the stage number of the sample collection box 4 is one stage more than that of the tangential ultrafiltration device 3, the sample collection box 4 with the stage number corresponding to the tangential ultrafiltration device 3 is respectively communicated with the sample outlet pipe 33 of the tangential ultrafiltration device 3 with the stage number corresponding to the tangential ultrafiltration device 3, and the last stage sample collection box 4 is communicated with the water outlet pipe 32 of the last stage tangential ultrafiltration device 3; the extraction pump 2 is used for extracting seawater, and the extraction pump 2 is arranged on a water inlet pipe 31 of the first-stage tangential ultrafiltration device 3; the booster pump 6 is used for conveying the seawater between two adjacent stages of tangential ultrafiltration devices 3, and the booster pump 6 is arranged on the water inlet pipe 31 between each transfer collection box 5 and the next stage of tangential ultrafiltration device 3 adjacent to the transfer collection box. It should be noted that, as shown in fig. 1 and fig. 2, the tangential ultrafiltration device 3 of the present embodiment has two stages, and the sample collection box 4 has three stages, and those skilled in the art can set the stages of the tangential ultrafiltration device 3 and the sample collection box 4 according to the actual separation requirement.
The working principle of the seawater separation and enrichment system is as follows: the extraction pump 2 pumps seawater into the first stage tangential ultrafiltration device 3, the multistage tangential ultrafiltration devices 3 are sequentially connected in series, seawater flowing out of a water outlet pipe 32 of each stage of tangential ultrafiltration device 3 enters a transfer collection box 5 for caching, and then is pumped into the next stage tangential ultrafiltration device 3 through a booster pump 6; the tangential ultrafiltration device 3 adopts different molecular weight pore diameters (such as 100Kda, 30Kda, 1Kda and the like), can respectively separate and enrich microbe genomics (100Kda), proteomics (components with more than 30 Kda), metabonomics (components with 1-30 Kda) and small molecular organic compounds (components with less than 1Kda) in seawater, and the separated samples are collected by a sample collection box 4.
The seawater separation and enrichment system can be directly built on a ship for use, can realize high-efficiency and high-flux fractional separation and enrichment of seawater on the sea through the multistage series-connected tangential ultrafiltration devices 3, can complete high-flux filtration of 500L-1000L of seawater per hour, obtains high-quality seawater samples and microorganism samples, and can meet the increasing demand of marine science research. Moreover, the seawater separation and enrichment system is high in automation degree, saves a large amount of time and labor cost, and has remarkable economic benefit. In addition, each spare part of above-mentioned seawater separation enrichment system is dependent for a short time each other, and the maintenance of being convenient for, spare part can be changed alone, is fit for marine reliable operation.
In order to be convenient for building on the ship and flexibly adjusting the separation stages according to experimental scientific research requirements, the water inlet pipe 31, the water outlet pipe 32 and the sample outlet pipe 33 are preferably quick-assembly pipelines. It should be noted that, the fast-assembly pipeline of this embodiment adopts a fast-assembly connection manner as shown in fig. 3, a sealing washer 14 is disposed between the abutting ends of two fast-assembly pipe fittings 13 to be connected, and a clamp 15 is adopted to fasten the abutting ends of the two fast-assembly pipe fittings 13 to the sealing washer 14. It will be appreciated that other snap-fit connections may be used by those skilled in the art.
In order to adapt to the bumpy working environment at sea, as shown in fig. 1, the water inlet pipe 31, the water outlet pipe 32 and the sample outlet pipe 33 are preferably flexible corrugated pipes.
In order to facilitate the control of the filtration conditions of the tangential ultrafiltration devices 3, as shown in fig. 1 and 2, a water inlet control valve 7, an inlet flow meter 8 and an inlet pressure gauge 9 are installed on a water inlet pipe 31 of each tangential ultrafiltration device 3, and a water outlet control valve 11 and an outlet flow meter 10 are installed on a water outlet pipe 32 of each tangential ultrafiltration device 3. Through the cooperation control of the water inlet control valve 7 and the water outlet control valve 11, the proportion of the backflow speed and the permeation speed of the components in the tangential ultrafiltration device 3 can be adjusted to ensure that enough sample amount is obtained, the flow change condition of the components passing through the tangential ultrafiltration device 3 can be monitored in real time through the arranged inlet flowmeter 8 and the arranged outlet flowmeter 10, and the pressure of seawater entering the tangential ultrafiltration device 3 can be monitored in real time through the arranged inlet pressure gauge 9 to ensure the normal and stable operation of the tangential ultrafiltration device 3.
In order to facilitate building on a ship and flexible adjustment according to experimental and scientific research requirements, as shown in fig. 4, the water inlet control valve 7, the inlet flow meter 8 and the inlet pressure gauge 9 are detachably connected to the water inlet pipe 31 through the quick-assembly connector 16, and the water outlet control valve 11 and the outlet flow meter 10 are detachably connected to the water outlet pipe 32 through the quick-assembly connector 16. It should be noted that, as shown in fig. 4, the quick connector 16 includes a quick connector through 162, a quick connector tee 161, a quick connector elbow 163, etc., which may be selected according to specific installation requirements.
In order to facilitate the construction on the ship and at the same time to facilitate the flexible adjustment according to experimental and scientific research requirements, the tangential ultrafiltration device 3 is preferably detachably mounted on the frame 1 by means of a hoop-type holder 12, as shown in fig. 1.
It should be further noted that, as shown in fig. 5, in the present embodiment, the tangential ultrafiltration device 3 comprises a membrane housing 34, a filter element 35 installed in the membrane housing 34, and two sealing caps 36 respectively installed at two axial ends of the membrane housing 34; the side of the membrane shell 34 is provided with a connector 341 to connect with the sample outlet pipe 33; the sealing and blocking covers 36 are blocked at the axial end parts of the membrane shells 34 through sealing and connecting pieces 37, one sealing and blocking cover 36 is provided with a water inlet to be connected with the water inlet pipe 31, and the other sealing and blocking cover 36 is provided with a water outlet to be connected with the water outlet pipe 32; the two sealing caps 36 are provided with mounting seats 361 on the sides facing the filter element 35, and the two axial ends of the filter element 35 are respectively mounted on the mounting seats 361 of the two sealing caps 36 through the filter element fixing joints 38. The tangential ultrafiltration device 3 of the present embodiment has a simple structure, and facilitates replacement of the filter element 35. In the present embodiment, in order to ensure the sealing performance of the tangential ultrafiltration device 3, the sealing plug 36 and the cartridge fixing connector 38 are provided with sealing rings on the outer peripheries thereof. In addition, the membrane housing 34 of the tangential ultrafiltration device 3 is preferably made of glass fiber reinforced plastic, the sealing cap 36 is preferably made of PVC, and the sealing connector 37 is preferably made of aluminum alloy.
Furthermore, since the pressure experienced by the first stage tangential ultrafiltration device 3 is lower than the pressure experienced by the subsequent stages of tangential ultrafiltration devices 3, the extraction pump 2 is preferably a horizontal pump and the booster pump 6 is preferably a vertical pump with a high head. It will be appreciated that the skilled person can determine the required head of the extraction pump 2 and booster pump 6 depending on the pressure to which each stage of the tangential ultrafiltration device 3 is subjected, and thus select the appropriate type of extraction pump 2 and booster pump 6.
Finally, it should be noted that: the embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.

Claims (8)

1. Seawater separation enrichment system, its characterized in that includes:
a frame;
the tangential ultrafiltration devices are arranged step by step, the tangential ultrafiltration devices are arranged on the frame, the filtration pore diameters of the tangential ultrafiltration devices are gradually reduced step by step, and each stage of tangential ultrafiltration device is connected with a water inlet pipe, a water outlet pipe and a sample outlet pipe;
the transfer collection box is arranged between every two adjacent stages of the tangential ultrafiltration devices and is respectively communicated with a water outlet pipe of the adjacent upper stage of the tangential ultrafiltration device and a water inlet pipe of the adjacent lower stage of the tangential ultrafiltration device;
the sample collection boxes are arranged step by step, the stage number of the sample collection boxes is one stage more than that of the tangential ultrafiltration devices, the sample collection boxes with the stage number corresponding to the tangential ultrafiltration devices are respectively communicated with the sample outlet pipes of the tangential ultrafiltration devices with the stage number corresponding to the tangential ultrafiltration devices, and the sample collection boxes of the last stage are communicated with the water outlet pipes of the tangential ultrafiltration devices of the last stage;
the extraction pump is used for extracting seawater and is arranged on a water inlet pipe of the first-stage tangential ultrafiltration device;
and the booster pump is used for conveying the seawater between the adjacent two stages of the tangential ultrafiltration devices, and is arranged on the water inlet pipe between each transfer collection box and the next stage of the tangential ultrafiltration device adjacent to the transfer collection box.
2. The seawater separation and enrichment system of claim 1, wherein the water inlet pipe, the water outlet pipe and the sample outlet pipe are fast-assembling pipelines.
3. The seawater separation and enrichment system of claim 1 or 2, wherein the water inlet pipe, the water outlet pipe and the sample outlet pipe are corrugated pipes.
4. The seawater separation and enrichment system according to claim 1 or 2, wherein the water inlet pipe of each stage of the tangential ultrafiltration device is provided with a water inlet control valve, an inlet flow meter and an inlet pressure gauge, and the water outlet pipe of each stage of the tangential ultrafiltration device is provided with a water outlet control valve and an outlet flow meter.
5. The seawater separation and enrichment system according to claim 4, wherein the water inlet control valve, the inlet flow meter and the inlet pressure gauge are detachably connected to the water inlet pipe through quick-assembly connectors, and the water outlet control valve and the outlet flow meter are detachably connected to the water outlet pipe through quick-assembly connectors.
6. The seawater separation and enrichment system of claim 1, wherein the tangential ultrafiltration device is detachably mounted on the frame by a hoop-type bracket.
7. The seawater separation and enrichment system of claim 1, wherein the tangential ultrafiltration device comprises a membrane shell, a filter element installed in the membrane shell, and two sealing caps respectively installed at two axial ends of the membrane shell; the side part of the membrane shell is provided with an interface for connecting the sample outlet pipe; the sealing plugging covers are plugged at the axial end parts of the membrane shells through sealing connecting pieces, one sealing plugging cover is provided with a water inlet to be connected with the water inlet pipe, and the other sealing plugging cover is provided with a water outlet to be connected with the water outlet pipe; two sealed blanking cover orientation one side of filter core all is equipped with the mount pad, the axial both ends of filter core are installed in two through filter core fixed joint respectively on the mount pad of sealed blanking cover.
8. The seawater separation and enrichment system of claim 1, wherein the extraction pump is a horizontal pump and the booster pump is a vertical pump.
CN202122694132.7U 2021-11-05 2021-11-05 Seawater separation and enrichment system Active CN216273392U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122694132.7U CN216273392U (en) 2021-11-05 2021-11-05 Seawater separation and enrichment system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122694132.7U CN216273392U (en) 2021-11-05 2021-11-05 Seawater separation and enrichment system

Publications (1)

Publication Number Publication Date
CN216273392U true CN216273392U (en) 2022-04-12

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Address after: No.168, Wenhai Middle Road, Jimo District, Qingdao City, Shandong Province 266237

Patentee after: Qingdao Marine Science and Technology Center

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Patentee after: OCEAN University OF CHINA

Address before: No. 168 Wenhai Middle Road, Jimo District, Qingdao City, Shandong Province

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Patentee before: OCEAN University OF CHINA

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