CN211912975U - Marine seawater filter - Google Patents
Marine seawater filter Download PDFInfo
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- CN211912975U CN211912975U CN202020405500.4U CN202020405500U CN211912975U CN 211912975 U CN211912975 U CN 211912975U CN 202020405500 U CN202020405500 U CN 202020405500U CN 211912975 U CN211912975 U CN 211912975U
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Abstract
The invention discloses a marine seawater filter.A cylindrical filter element is vertically embedded into a cavity from an opening at the top; a water inlet pipeline connected with the filter element is embedded in the side wall of the cavity; the water outlet pipeline is embedded into the side wall of the cavity; the bottom of the filter element is embedded with a fixing column which is vertically arranged in the bottom plate of the cavity; the top of the cavity is connected with an upper cover plate, the upper cover plate is provided with a gas outlet, the inner wall of the gas outlet is tightly attached and embedded with a first stainless steel lining, a gas outlet pipeline is hermetically embedded in the first stainless steel lining, and the gas outlet pipeline is connected with a first threaded valve; a sewage draining port is formed in the bottom of the side wall of the cavity, a second stainless steel bushing is tightly embedded in the inner wall of the sewage draining port, a sewage draining pipeline is hermetically embedded in the second stainless steel bushing, and a second threaded valve is connected on the sewage draining pipeline; by using the filter, the coating quality of the inner pattern layer of the filter can be effectively improved, and the problem of seawater corrosion is solved; on one hand, the filter element is more stably fixed, and on the other hand, the filter element is very convenient to clean and replace.
Description
Technical Field
The present invention relates to a filter, and more particularly, to a marine seawater filter disposed in a seawater system for ship ballast or the like.
Background
The seawater filter has the function of filtering media such as seawater. The filter is mostly made of steel and is easy to rust due to long-term contact with seawater. In order to avoid corrosion, the inner wall of the filter is generally coated correspondingly, but the filter in the past still has damage condition in the actual use. The damage is found to be caused mainly because the structural design of the filter part position (edge and corner area) is not beneficial to coating, so that the hidden danger exists, pitting corrosion occurs soon after the filter is used, the coating is damaged and falls off after the filter is used, and finally the filter is damaged integrally.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a marine seawater filter, which can effectively ensure the coating quality of the filter while realizing the filtering function and meet the requirements of corrosion resistance and corrosion resistance.
In order to achieve the purpose, the invention adopts the following technical scheme:
a marine seawater filter comprises a cylindrical cavity, wherein the bottom of the cavity is a closed bottom plate, the top of the cavity is provided with a top opening, and a cylindrical filter element is vertically embedded into the cavity from the top opening; a water inlet opening penetrating through one side wall of the filter element is formed in the side wall of the cavity, and a water inlet pipeline is embedded into the water inlet opening and connected with the filter element; one end of the water inlet pipeline, which is far away from the cavity, is connected with a water inlet flange; the water inlet pipeline is hermetically connected with the side wall of the cavity;
the side wall of the cavity is also provided with a water outlet opening, and the water outlet pipeline is embedded into the water outlet opening and is hermetically connected with the side wall of the cavity; one end of the water outlet pipeline, which is far away from the cavity, is connected with a water outlet flange;
the cylindrical surface of the filter element is of a filter screen structure; the bottom of the filter element is provided with an embedding opening, a supporting block is fixed on the inner surface of the bottom plate of the cavity, a fixing column is vertically arranged on the supporting block, and the fixing column is embedded into the embedding opening and is in sealing connection with the filter element;
the top opening of the cavity is connected with an upper cover plate through a flange, the upper cover plate is provided with a gas outlet, the inner wall of the gas outlet is tightly attached to and embedded into a first stainless steel lining, a gas outlet pipeline is hermetically embedded into the first stainless steel lining, and the gas outlet pipeline is connected with a first threaded valve;
the bottom of the side wall of the cavity is provided with a sewage draining outlet, the inner wall of the sewage draining outlet is tightly attached and embedded with a second stainless steel bushing, a sewage draining pipeline is embedded in the second stainless steel bushing in a sealing manner, and the sewage draining pipeline is connected with a second threaded valve.
Preferably, a polytetrafluoroethylene separation sleeve is arranged at the contact surface of the supporting block and the filter element.
Preferably, a polytetrafluoroethylene separation sleeve is arranged on the contact surface of the fixing column and the filter element.
Preferably, the central axes of the water inlet pipeline and the water outlet pipeline are positioned on the same plane.
Preferably, the central axes of the water inlet pipeline and the water outlet pipeline are positioned on the same straight line.
Preferably, the central axes of the water inlet pipeline and the water outlet pipeline are perpendicular to each other.
Preferably, the embedding opening at the bottom of the filter element is arranged at the center of the bottom of the filter element.
The invention has the advantages that the pitting corrosion position of the filter damage basically occurs at the cavity bottom plate and the air outlet and sewage discharge position below the filter element in the past, and the filter is provided with the fixing column, the polytetrafluoroethylene separation sleeve and the stainless steel bushing, thereby effectively improving the coating quality of the pattern layer at the position and solving the problem of seawater corrosion. Meanwhile, the smooth design of the stainless steel bushing, the design of the installation type of the upper cover plate and the cavity are beneficial to coating and protection of the coating at the position, on one hand, the filter element is more stably fixed, and on the other hand, the filter element is very convenient to clean and replace.
Drawings
Fig. 1 is a sectional view of a seawater strainer of the present invention.
In the figure, 1, a cavity, 2, a water inlet pipeline, 21, a water inlet flange, 3, a water outlet pipeline, 31, a water outlet flange, 4, a filter element, 5, a first stainless steel bushing, 51, a gas outlet pipeline, 52, a first threaded valve, 6, a second stainless steel bushing, 61, a sewage discharge pipeline, 62, a second threaded valve, 7, an upper cover plate, 9, a supporting block, 91 and a fixing column.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the marine seawater filter of the present invention comprises a cylindrical cavity 1, wherein the bottom of the cavity 1 is a closed bottom plate, the top of the cavity 1 is provided with a top opening, and a cylindrical filter element 4 is vertically embedded into the cavity 1 from the top opening; a water inlet opening penetrating through one side wall of the filter element 4 is formed in the side wall of the cavity 1, and the water inlet pipeline 2 is embedded into the water inlet opening and connected with the filter element 4; one end of the water inlet pipeline 2, which is far away from the cavity 1, is connected with a water inlet flange 21; the water inlet pipeline 2 is hermetically connected with the side wall of the cavity 1;
the side wall of the cavity 1 is also provided with a water outlet opening, and the water outlet pipeline 3 is embedded into the water outlet opening and is hermetically connected with the side wall of the cavity 1; one end of the water outlet pipeline 3, which is far away from the cavity 1, is connected with a water outlet flange 31;
the cylindrical surface of the filter element 4 is of a filter screen structure; the bottom of the filter element 4 is provided with an embedded inlet, the inner surface of the bottom plate of the cavity 1 is fixed with a supporting block 9, a fixing column 91 is vertically arranged on the supporting block 9, and the fixing column 91 is embedded into the embedded inlet and is in sealing connection with the filter element 4;
an opening at the top of the cavity 1 is connected with an upper cover plate 7 through a flange, an air outlet is formed in the upper cover plate 7, a first stainless steel bushing 5 is tightly embedded in the inner wall of the air outlet, an air outlet pipeline 51 is hermetically embedded in the first stainless steel bushing 5, and a first threaded valve 52 is connected to the air outlet pipeline 51;
the drain has been seted up to cavity 1 lateral wall bottom, and the embedding is hugged closely to the drain inner wall has second stainless steel bush 6, and the sealed embedding in second stainless steel bush 6 has sewage pipes 61, is connected with second screw valve 62 on the sewage pipes 61.
The contact surface of the supporting block 9 and the filter element 4 is provided with a polytetrafluoroethylene separation sleeve. The contact surface of the fixing column 91 and the filter element 4 is provided with a polytetrafluoroethylene separation sleeve.
The central axes of the water inlet pipeline 2 and the water outlet pipeline 3 are positioned on the same plane. There may be two cases: 1. the central axes of the water inlet pipeline 2 and the water outlet pipeline 3 are positioned on the same straight line (as shown in the figure). 2. The central axes of the water inlet pipeline 2 and the water outlet pipeline 3 are vertical to each other.
The embedding opening at the bottom of the filter element 4 is arranged at the center of the bottom of the filter element 4.
When the seawater filtering device is used, the water inlet pipeline 2 is connected to an unfiltered seawater input pipeline through the water inlet flange 21, the water outlet pipeline 3 is connected to a pipeline for collecting seawater after filtering through the water outlet flange 31, and then the filtering of the seawater can be started. Before filtering, the first screw valve 52 on the air outlet pipe 51 can be properly opened to exhaust air so as to ensure smooth circulation of seawater; impurities are inevitably left in the bottom plate of the chamber 1 during the filtration, and the sewage discharge work can be performed by opening the second screw valve 62 on the sewage discharge pipe 61. If the filter element 4 needs to be replaced or cleaned, the upper cover plate 7 is opened to take out the filter element 4 for replacement or cleaning. After the new filter element 4 is embedded into the fixing column 91, the upper cover plate 7 is fixed through the flange, and then the filter element can work again. Meanwhile, the upper part of the filter element 3 can be provided with an elastic device, so that the position of the filter element 4 can be adjusted and fixed by pressing down the filter element 4 through the upper cover plate 7.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (7)
1. A marine seawater filter is characterized by comprising a cylindrical cavity (1), wherein the bottom of the cavity (1) is a closed bottom plate, the top of the cavity (1) is provided with a top opening, and a cylindrical filter element (4) is vertically embedded into the cavity (1) from the top opening; a water inlet opening penetrating through one side wall of the filter element (4) is formed in the side wall of the cavity (1), and a water inlet pipeline (2) is embedded into the water inlet opening and connected with the filter element (4); one end of the water inlet pipeline (2) departing from the cavity (1) is connected with a water inlet flange (21); the water inlet pipeline (2) is hermetically connected with the side wall of the cavity (1);
a water outlet opening is further formed in the side wall of the cavity (1), and a water outlet pipeline (3) is embedded into the water outlet opening and is in sealing connection with the side wall of the cavity (1); one end of the water outlet pipeline (3) departing from the cavity (1) is connected with a water outlet flange (31);
the cylindrical surface of the filter element (4) is of a filter screen structure; an embedded inlet is formed in the bottom of the filter element (4), a supporting block (9) is fixed on the inner surface of a bottom plate of the cavity (1), a fixing column (91) is erected on the supporting block (9), and the fixing column (91) is embedded into the embedded inlet and is in sealing connection with the filter element (4);
an upper cover plate (7) is connected to an opening in the top of the cavity (1) through a flange, an air outlet is formed in the upper cover plate (7), a first stainless steel bushing (5) is tightly embedded in the inner wall of the air outlet, an air outlet pipeline (51) is hermetically embedded in the first stainless steel bushing (5), and a first threaded valve (52) is connected to the air outlet pipeline (51);
the sewage draining device is characterized in that a sewage draining port is formed in the bottom of the side wall of the cavity (1), a second stainless steel bushing (6) is tightly attached to the inner wall of the sewage draining port, a sewage draining pipeline (61) is embedded into the second stainless steel bushing (6) in a sealing mode, and a second threaded valve (62) is connected onto the sewage draining pipeline (61).
2. Marine seawater strainer according to claim 1, wherein a polytetrafluoroethylene spacer is provided at the contact surface of the support block (9) and the filter element (4).
3. Marine seawater filter according to claim 1 or 2, wherein a polytetrafluoroethylene separating sleeve is arranged at the contact surface of the fixing column (91) and the filter element (4).
4. Marine seawater strainer according to claim 1, characterized in that the water inlet conduit (2) and the water outlet conduit (3) have their central axes in the same plane.
5. Marine seawater strainer according to claim 4, characterized in that the water inlet conduit (2) and the water outlet conduit (3) have their central axes in the same line.
6. Marine seawater strainer according to claim 4, characterized in that the water inlet conduit (2) and the water outlet conduit (3) have their central axes perpendicular to each other.
7. Marine seawater strainer according to claim 1, wherein the insertion opening at the bottom of the filter element (4) opens in the center of the bottom of the filter element (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020405500.4U CN211912975U (en) | 2020-03-26 | 2020-03-26 | Marine seawater filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020405500.4U CN211912975U (en) | 2020-03-26 | 2020-03-26 | Marine seawater filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211912975U true CN211912975U (en) | 2020-11-13 |
Family
ID=73349888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020405500.4U Active CN211912975U (en) | 2020-03-26 | 2020-03-26 | Marine seawater filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211912975U (en) |
-
2020
- 2020-03-26 CN CN202020405500.4U patent/CN211912975U/en active Active
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