Special centrifugal separator for ballast water treatment

Abstract

The utility model discloses a special centrifugal separator for ballast water treatment, and relates to the technical field of ballast water treatment. The centrifugal separator comprises a centrifugal separator body, a protective cover is fixedly installed at the solid material discharging end of the centrifugal separator body, a scraping assembly is arranged on the protective cover, and a flushing assembly is arranged on the scraping assembly. The extension pipe is moved out of the washing pipe through centrifugal force, meanwhile, water enters the washing pipe and the extension pipe through the water supply pipe, the water is sprayed out of the first washing hole and the second washing hole to wash the inner wall of the protective cover, and therefore the situation that the protective cover is difficult to wash and sediment is accumulated can be avoided, and the purpose of convenient washing is achieved. The second gear drives the first gear to rotate, the first gear drives the connecting pipe to rotate, the connecting pipe drives the rotating disc to rotate, and the rotating disc drives the scraper to rotate slowly, so that the scraper scrapes silt on the inner wall of the protective cover, the silt can be prevented from being attached to the inner wall of the protective cover, and the purpose of convenient cleaning is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of ballast water treatment, in particular to a centrifugal separator dedicated for ballast water treatment. Background Art

[0002] Ship ballast water refers to the water added to the ship to control the ship's heel, trim, draft, stability or stress. Ship ballast water is generally directly extracted from the sailing waters, and the water contains a lot of sediment, which requires a centrifugal separator to separate the sediment;

[0003] Existing centrifugal separators generally throw out the silt directly and collect the silt through a splash guard. However, the inner wall of the splash guard is difficult to clean after long-term use and is prone to silt accumulation, which in turn affects the discharge efficiency. Utility Model Content

[0004] In order to solve the problem that the inner wall of the splash shield is difficult to clean and easy to accumulate sediment, the utility model aims to provide a centrifugal separator dedicated to ballast water treatment.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: a centrifugal separator specially used for ballast water treatment, comprising a centrifugal separator body, a protective cover is fixedly installed on the solid material discharge end of the centrifugal separator body, a discharge pipe is fixedly penetrated through the bottom end of the protective cover, a scraping assembly is arranged on the protective cover, and a flushing assembly is arranged on the scraping assembly; the flushing assembly comprises a water supply pipe, the water supply pipe movably penetrates the protective cover, a symmetrically distributed flushing pipe is fixedly penetrated through one end of the water supply pipe close to the protective cover, an extension pipe is slidably inserted into the inside of the flushing pipe, a plurality of symmetrically distributed first flushing holes are opened on the outside of the flushing pipe, a plurality of symmetrically distributed second flushing holes are opened on the outside of the extension pipe, and the extension pipe is moved out of the flushing pipe by centrifugal force At the same time, water enters the flushing pipe and the extension pipe respectively through the water supply pipe, so that water is sprayed out from the first flushing hole and the second flushing hole to flush the inner wall of the protective cover, so as to avoid the situation where the protective cover is difficult to clean and accumulates mud and sand. The inner wall of the flushing pipe is provided with a slide groove, and the internal sliding card of the slide groove is provided with a slider. One side of the slider is fixedly connected to one end of the extension pipe. The extension pipe can be kept stable by moving the slider in the slide groove. A guide rod is fixedly provided inside the slide groove, and one end of the guide rod movably passes through the slider. The guide rod can keep the slider stable. A return spring is provided on the outer movable sleeve of the guide rod. The two ends of the return spring are respectively fixedly connected to one side of the slider and the inner wall of the slide groove, and the slider can be driven to reset by the elastic force of the return spring.

[0006] Preferably, the scraping assembly includes a turntable, the turntable fixed sleeve is arranged on the outside of the water supply pipe and is rotatably installed on the inner wall of the protective cover, the outer side of the turntable is fixedly provided with scrapers distributed in a circular array, a connecting pipe is movably penetrated on the side of the protective cover away from the centrifugal separator body, one end of the connecting pipe is fixedly connected to one side of the turntable, a first gear is fixedly sleeved on the outer side of the connecting pipe, a second gear is meshed on the outer side of the first gear, a rotating shaft is fixedly penetrated in the middle of the second gear, one end of the rotating shaft is rotatably installed on one side of the protective cover, a motor is arranged on one side of the protective cover, the end of the motor output shaft is fixedly connected to one end of the rotating shaft, and the motor output shaft is connected to the motor output shaft. The end of drives the rotating shaft to rotate, the rotating shaft drives the second gear to rotate, the second gear drives the first gear to rotate, the first gear drives the connecting pipe to rotate, the connecting pipe drives the turntable to rotate, the turntable drives the scraper to rotate slowly, so that the scraper scrapes off the mud and sand on the inner wall of the protective cover, which can prevent the mud and sand from adhering to the inner wall of the protective cover. A mounting plate is fixedly provided on the side of the protective cover close to the motor, and the motor is fixedly mounted on the mounting plate. The motor can be conveniently installed through the mounting plate, and the outer side of the scraper is in contact with the inner wall of the protective cover. The scraper can be conveniently cleaned through the inner wall of the protective cover to reduce mud and sand residue. The scraper is a U-shaped structure, which can reduce space occupancy and facilitate cleaning of the inner wall of the protective cover.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] 1. The water supply pipe is driven to rotate by the turntable, and the extension pipe is moved out of the flushing pipe by centrifugal force. At the same time, water enters the flushing pipe and the extension pipe respectively through the water supply pipe, so that water is sprayed out from the first flushing hole and the second flushing hole to flush the inner wall of the protective cover, so as to avoid the situation where the protective cover is difficult to clean and the accumulation of sediment, thereby achieving the purpose of convenient cleaning;

[0009] 2. The second gear drives the first gear to rotate, the first gear drives the connecting pipe to rotate, the connecting pipe drives the turntable to rotate, and the turntable drives the scraper to rotate slowly, so that the scraper scrapes off the mud and sand on the inner wall of the protective cover, which can prevent the mud and sand from adhering to the inner wall of the protective cover, thereby achieving the purpose of convenient cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0011] Figure 1 It is a schematic diagram of the structure of the utility model.

[0012] Figure 2 for Figure 1 A is an enlarged view of the structure.

[0013] Figure 3 It is a cross-sectional schematic diagram of the protective cover and its connection structure of the utility model.

[0014] Figure 4 It is a schematic cross-sectional view of the structure of the flushing component of the utility model.

[0015] In the figure: 1. centrifuge body; 2. protective cover; 3. flushing assembly; 31. water supply pipe; 32. flushing pipe; 33. extension pipe; 34. first flushing hole; 35. second flushing hole; 36. slide groove; 37. slider; 38. guide rod; 39. return spring; 4. scraper assembly; 41. turntable; 42. connecting pipe; 43. first gear; 44. second gear; 45. rotating shaft; 46. motor; 47. mounting plate; 5. scraper; 6. discharge pipe. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] Example: Figure 1-4As shown, the utility model provides a centrifugal separator dedicated to ballast water treatment, comprising a centrifugal separator body 1, a protective cover 2 is fixedly installed on the solid material discharge end of the centrifugal separator body 1, a discharge pipe 6 is fixedly penetrated at the bottom end of the protective cover 2, a scraping assembly 4 is arranged on the protective cover 2, and a flushing assembly 3 is arranged on the scraping assembly 4; the flushing assembly 3 comprises a water supply pipe 31, the water supply pipe 31 movably penetrates the protective cover 2, the water supply pipe 31 is connected with an external water source through a water pipe, the water pipe is rotatably connected to the water supply pipe 31, a symmetrically distributed flushing pipe 32 is fixedly penetrated at one end of the water supply pipe 31 close to the protective cover 2, an extension pipe 33 is slidably inserted inside the flushing pipe 32, a plurality of symmetrically distributed first flushing holes 34 are opened on the outside of the flushing pipe 32, a plurality of symmetrically distributed second flushing holes 35 are opened on the outside of the extension pipe 33, the extension pipe 33 is moved out of the flushing pipe 32 by centrifugal force, and the extension pipe 33 is moved out of the flushing pipe 32 by centrifugal force, and the extension pipe 33 is moved out of the flushing pipe 32 by centrifugal force. When the water enters the flushing pipe 32 and the extension pipe 33 respectively through the water supply pipe 31, the water is sprayed out from the first flushing hole 34 and the second flushing hole 35 to flush the inner wall of the protective cover 2, so as to avoid the situation where the protective cover 2 is difficult to clean and accumulates mud. A slide groove 36 is provided on the inner wall of the flushing pipe 32, and a slider 37 is provided on the internal sliding card of the slide groove 36. One side of the slider 37 is fixedly connected to one end of the extension pipe 33. The extension pipe 33 can be kept stable by moving the slider 37 in the slide groove 36. A guide rod 38 is fixedly provided inside the slide groove 36. One end of the guide rod 38 movably passes through the slider 37. The guide rod 38 can keep the slider 37 stable. A reset spring 39 is provided on the outer movable sleeve of the guide rod 38. The two ends of the reset spring 39 are fixedly connected to one side of the slider 37 and the inner wall of the slide groove 36 respectively, and the slider 37 can be reset by the elastic force of the reset spring 39.

[0018] The scraping assembly 4 includes a turntable 41, which is fixedly sleeved on the outer side of the water supply pipe 31 and rotatably installed on the inner wall of the protective cover 2. The outer side of the turntable 41 is fixedly provided with scrapers 5 distributed in a circular array. A connecting pipe 42 is movably penetrated on the side of the protective cover 2 away from the centrifugal separator body 1. One end of the connecting pipe 42 is fixedly connected to one side of the turntable 41. A first gear 43 is fixedly sleeved on the outer side of the connecting pipe 42. A second gear 44 is meshed on the outer side of the first gear 43. A rotating shaft 45 is fixedly penetrated in the middle of the second gear 44. One end of the rotating shaft 45 is rotatably installed on one side of the protective cover 2. A motor 46 is provided on one side of the protective cover 2. The end of the output shaft of the motor 46 is fixedly connected to one end of the rotating shaft 45. The rotating shaft 45 is driven to rotate by the end of the output shaft of the motor 46. The rotating shaft 45 drives the second gear 44 to rotate, the second gear 44 drives the first gear 43 to rotate, the first gear 43 drives the connecting pipe 42 to rotate, the connecting pipe 42 drives the rotating disk 41 to rotate, and the rotating disk 41 drives the scraper 5 to rotate slowly, so that the scraper 5 scrapes off the mud and sand on the inner wall of the protective cover 2, so as to prevent the mud and sand from adhering to the inner wall of the protective cover 2. A mounting plate 47 is fixedly provided on the side of the protective cover 2 close to the motor 46, and the motor 46 is fixedly mounted on the mounting plate 47. The motor 46 can be conveniently installed through the mounting plate 47. The outer side of the scraper 5 is in contact with the inner wall of the protective cover 2. The inner wall of the protective cover 2 can be conveniently cleaned through the scraper 5 to reduce the residual mud and sand. The scraper 5 is a U-shaped structure, which can reduce space occupation and facilitate cleaning of the inner wall of the protective cover 2.

[0019] Working principle: First, the centrifugal separator body 1 throws the silt out from the solid material discharge end, and the silt falls to the protective cover 2 and is discharged from the discharge pipe 6. At the same time, the motor 46 is started to make the motor 46 start to work, and the end of the output shaft of the motor 46 drives the rotating shaft 45 to rotate, the rotating shaft 45 drives the second gear 44 to rotate, the second gear 44 drives the first gear 43 to rotate, the first gear 43 drives the connecting pipe 42 to rotate, the connecting pipe 42 drives the rotating disk 41 to rotate, and the rotating disk 41 drives the scraper 5 to rotate slowly, so that the scraper 5 scrapes the silt on the inner wall of the protective cover 2, so as to prevent the silt from adhering to the inner wall of the protective cover 2. When the centrifugal separator body 1 finishes working, the motor 46 drives the rotating disk 4 1 rotates at a high speed, the turntable 41 drives the water supply pipe 31 to rotate, and the extension pipe 33 is moved out of the flushing pipe 32 by centrifugal force. The extension pipe 33 drives the slider 37 to stretch the reset spring 39, so that the reset spring 39 generates elastic force, and at the same time, the external water source is opened, so that water enters the water supply pipe 31 through the water pipe, and then enters the flushing pipe 32 and the extension pipe 33 through the water supply pipe 31 respectively, so that water is sprayed from the first flushing hole 34 and the second flushing hole 35 to flush the inner wall of the protective cover 2, so that the protective cover 2 can be prevented from being difficult to clean due to the accumulation of mud and sand, thereby achieving the purpose of convenient cleaning. After the flushing is completed, the motor 46 is turned off, and the reset spring 39 drives the extension pipe 33 to reset by elastic force.

[0020] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A centrifugal separator for ballast water treatment, comprising a centrifugal separator body (1), characterized in that: A protective cover (2) is fixedly mounted on the solid material discharge end of the centrifugal separator body (1); a discharge pipe (6) is fixedly passed through the bottom end of the protective cover (2); a scraping assembly (4) is arranged on the protective cover (2); and a flushing assembly (3) is arranged on the scraping assembly (4); The flushing assembly (3) comprises a water supply pipe (31), the water supply pipe (31) movably penetrates the protective cover (2), a symmetrically distributed flushing pipe (32) is fixedly penetrated at one end of the water supply pipe (31) close to the protective cover (2), an extension pipe (33) is slidably inserted inside the flushing pipe (32), a plurality of symmetrically distributed first flushing holes (34) are opened on the outside of the flushing pipe (32), and a plurality of symmetrically distributed second flushing holes (35) are opened on the outside of the extension pipe (33).

2. A centrifugal separator for ballast water treatment as claimed in claim 1, characterized in that: The scraping assembly (4) comprises a rotating disk (41), the rotating disk (41) being fixedly sleeved on the outer side of the water supply pipe (31) and rotatably mounted on the inner wall of the protective cover (2), the outer side of the rotating disk (41) being fixedly provided with scrapers (5) distributed in a circular array, a connecting pipe (42) being movably penetrated through the side of the protective cover (2) away from the centrifugal separator body (1), one end of the connecting pipe (42) being fixedly connected to one side of the rotating disk (41), a first gear (43) being fixedly sleeved on the outer side of the connecting pipe (42), a second gear (44) being meshed on the outer side of the first gear (43), a rotating shaft (45) being fixedly penetrated through the middle of the second gear (44), one end of the rotating shaft (45) being rotatably mounted on one side of the protective cover (2), a motor (46) being arranged on one side of the protective cover (2), and the end of the output shaft of the motor (46) being fixedly connected to one end of the rotating shaft (45).

3. A centrifugal separator for ballast water treatment as claimed in claim 1, characterized in that: The inner wall of the flushing pipe (32) is provided with a slide groove (36), the inner sliding card of the slide groove (36) is provided with a slider (37), and one side of the slider (37) is fixedly connected to one end of the extension pipe (33).

4. A centrifugal separator for ballast water treatment as claimed in claim 2, characterized in that: A mounting plate (47) is fixedly provided on one side of the protective cover (2) close to the motor (46), and the motor (46) is fixedly mounted on the mounting plate (47).

5. A centrifugal separator for ballast water treatment as claimed in claim 3, characterized in that: A guide rod (38) is fixedly provided inside the slide groove (36), and one end of the guide rod (38) movably passes through the slide block (37).

6. A centrifugal separator for ballast water treatment as claimed in claim 2, characterized in that: The outer side of the scraper (5) is in contact with the inner wall of the protective cover (2).

7. A centrifugal separator for ballast water treatment as claimed in claim 5, characterized in that: The outer movable sleeve of the guide rod (38) is provided with a return spring (39), and the two ends of the return spring (39) are respectively fixedly connected to one side of the slider (37) and the inner wall of the slide groove (36).

8. A centrifugal separator for ballast water treatment as claimed in claim 6, characterized in that: The scraper (5) is a U-shaped structure.

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