KR102165973B1 - Centrifugal pump with vortex preventing means - Google Patents

Centrifugal pump with vortex preventing means Download PDF

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KR102165973B1
KR102165973B1 KR1020200037504A KR20200037504A KR102165973B1 KR 102165973 B1 KR102165973 B1 KR 102165973B1 KR 1020200037504 A KR1020200037504 A KR 1020200037504A KR 20200037504 A KR20200037504 A KR 20200037504A KR 102165973 B1 KR102165973 B1 KR 102165973B1
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South Korea
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vortex prevention
vortex
suction port
centrifugal pump
ring member
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KR1020200037504A
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Korean (ko)
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송경희
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주식회사 대영파워펌프
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2210/00—Working fluids
    • F05D2210/10—Kind or type
    • F05D2210/11—Kind or type liquid, i.e. incompressible

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The present invention relates to a centrifugal pump with a vortex preventing device, which has the vortex preventing device mounted on a suction port, thereby preventing the inconstant flow of a fluid, such as vortexes or turbulence. According to the present invention, the centrifugal pump with the vortex preventing device has the vortex preventing device (200) mounted on the suction port (110), wherein the vortex preventing device (200) comprises: a key block (220); and a vortex preventing plate (210) integrally formed on the key block (220). The vortex preventing plate (210) is arranged on an upper portion surface of the key block (220) in a standing state. A key groove (113) is formed on an inner circumferential surface of the suction port (110). The key block (220) of the vortex preventing device (200) is inserted and fixed into the key groove (113). Therefore, the vortex preventing plate (210) is radially arranged toward the center (O1) of the suction port (110).

Description

와류방지구를 구비한 원심펌프{CENTRIFUGAL PUMP WITH VORTEX PREVENTING MEANS}Centrifugal pump with vortex prevention device {CENTRIFUGAL PUMP WITH VORTEX PREVENTING MEANS}

본 발명은 원심펌프의 흡입구에 와류방지구가 장착되어 유체의 흐름에서 와류 또는 난류 등과 같이 불규칙한 흐름을 방지할 수 있는 와류방지구를 구비한 원심펌프에 관한 것으로서, 보다 상세하게는 흡입구의 내주면에 키홈이 형성되고, 상기 키홈에 와류 방지구의 키 블록이 끼워져 고정되며, 키 블록에 형성된 와류방지판이 흡입구의 중심을 향해 방사상으로 배치되는 와류방지구를 구비한 원심펌프에 관한 것이다.The present invention relates to a centrifugal pump having a vortex prevention port that can prevent irregular flow such as vortex or turbulence in the flow of a fluid by being equipped with a vortex prevention port at the suction port of the centrifugal pump, and more particularly, on the inner peripheral surface of the suction port. It relates to a centrifugal pump having a vortex prevention hole in which a key groove is formed, a key block of a vortex prevention hole is fitted and fixed in the key groove, and a vortex prevention plate formed in the key block is radially disposed toward the center of the suction port.

대한민국 등록특허 제10-1822619호(2018년 1월 22일, 등록)에 "선회류 방지장치를 구비한 원심펌프"가 소개되어 있다.Korean Patent Registration No. 10-1822619 (registered on January 22, 2018) introduces a "centrifugal pump with a vortex flow prevention device".

상기 선회류 방지장치를 구비한 원심펌프는 구동모터, 상기 구동모터에 의해 회전하는 임펠러, 상기 임펠러가 내부에 수용되어 유체를 흡입 및 토출하는 흡입구와 토출구가 형성된 펌프케이싱, 및 상기 흡입구에 설치되어 흡입되는 유체의 선회류를 방지하는 선회류 방지장치를 포함하는 선회류 방지장치를 구비한 원심펌프에 있어서, 상기 선회류 방지장치는 상기 흡입구에 삽입되며 내부가 관통된 형상으로 형성되어 내주에 가이드부가 형성되는 외측케이싱, 상기 가이드부를 중심으로 상기 외측케이싱의 일단에 삽입되고, 상기 가이드부에 의해 회전이 억제된 상태로 상기 외측케이싱의 길이방향으로 슬라이딩 이동 가능하게 설치되는 슬립링, 상기 가이드부를 중심으로 상기 외측케이싱의 타단에 삽입되어 상기 외측케이싱에서 회전 가능하게 설치되는 회전각조절관, 및 상기 외측케이싱의 내측면에 방사상으로 복수 개가 배치되고, 일단은 상기 외측케이싱에 회전 가능하게 결합되며, 타단은 상기 슬립링에 회전 가능하게 결합되어 상기 회전각조절관의 회전 시 상기 외측케이싱에서 세워지는 각도가 조절되는 선회류방지날개를 포함한다The centrifugal pump provided with the swirl flow prevention device is installed in a drive motor, an impeller rotated by the drive motor, a pump casing in which the impeller is accommodated to suck and discharge fluid, and a pump casing having a discharge port, and In the centrifugal pump having a swirl flow prevention device including a swirl flow prevention device for preventing the swirl flow of the sucked fluid, the swirl flow prevention device is inserted into the suction port and formed in a shape through which the inside is guided An additionally formed outer casing, a slip ring inserted into one end of the outer casing around the guide portion, and slidably installed in the longitudinal direction of the outer casing while rotation is suppressed by the guide portion, the guide portion A rotation angle adjustment tube inserted into the other end of the outer casing as a center and rotatably installed in the outer casing, and a plurality of radially disposed on the inner side of the outer casing, one end rotatably coupled to the outer casing , The other end is rotatably coupled to the slip ring and includes a swirling flow prevention blade to adjust the angle erected in the outer casing when the rotation angle adjustment tube is rotated.

그러나, 상기 선회류 방지장치를 구비한 원심펌프는 외측 케이싱이 원심펌프의 흡입구에 끼워지기 때문에 최초 설계된 흡입구의 직경 변화에 따른 압력 강하로 펌핑 효율이 저하되는 단점이 있다.However, the centrifugal pump provided with the swirl flow prevention device has a disadvantage in that the pumping efficiency is lowered due to a pressure drop according to the diameter change of the initially designed suction port because the outer casing is fitted into the suction port of the centrifugal pump.

본 발명의 목적은 키 블록에 와류방지판이 일체로 형성되는 와류방지구를 원심펌프의 흡입구에 장착하는 것으로, 상기 흡입구의 내주면에 키홈이 형성되고, 상기 키홈에 와류 방지구의 키 블록이 끼워져 고정되며, 키 블록에 형성된 와류방지판이 흡입구의 중심을 향해 방사상으로 배치됨으로써, 유체 흡입시 와류 및 난류 등과 같은 유체의 불규칙한 흐름을 개선하여 펌핑 효율을 높이고, 소음을 줄일 수 있는 와류방지구를 구비한 원심펌프를 제공하는 것이다.An object of the present invention is to mount a vortex prevention hole in which a vortex prevention plate is integrally formed in a key block to a suction port of a centrifugal pump, a key groove is formed on the inner circumferential surface of the suction port, and a key block of the vortex prevention hole is fitted and fixed to the key groove. , The vortex prevention plate formed in the key block is radially arranged toward the center of the suction port, thereby improving the irregular flow of fluid such as vortex and turbulence when inhaling the fluid, thereby improving pumping efficiency and reducing noise. To provide a pump.

본 발명의 다른 목적은 원심펌프의 토출구에 와류방지구를 장착하여, 토출관에서 토출되는 유체의 흐름에서 와류 및 난류 등과 같은 유체의 불규칙한 흐름을 개선하여 펌핑 효율을 높이고, 소음을 줄일 수 있는 와류방지구를 구비한 원심펌프를 제공하는 것이다. Another object of the present invention is to improve the irregular flow of fluid such as vortex and turbulence in the flow of the fluid discharged from the discharge pipe by installing a vortex prevention hole at the discharge port of the centrifugal pump, thereby improving pumping efficiency and reducing noise. It is to provide a centrifugal pump having a prevention device.

본 발명의 또 다른 목적은 링 부재에 와류방지판이 일체로 형성되는 와류방지구를 원심펌프가 흡입구에 장착하는 것으로, 흡입구의 정면에 단턱부가 형성되고, 상기 단턱부에 와류방지구의 링 부재가 배치되어, 링 부재에 일체로 형성된 와류방지판이 흡입구의 내주면에 밀착되고, 와류방지판이 흡입구의 중심을 향해 방사상으로 배치됨으로써, 유체 흡입시 와류 및 난류 등과 같은 유체의 불규칙한 흐름을 개선하여 펌핑 효율을 높이고, 소음을 줄일 수 있는 와류방지구를 구비한 원심펌프를 제공하는 것이다.Another object of the present invention is to mount a vortex prevention hole in which the vortex prevention plate is integrally formed on the ring member to the suction hole, and a stepped portion is formed in the front of the suction hole, and a ring member of the vortex prevention hole is disposed on the stepped portion. As a result, the vortex prevention plate integrally formed with the ring member is in close contact with the inner circumferential surface of the suction port, and the vortex prevention plate is radially disposed toward the center of the suction port, thereby improving the irregular flow of fluid such as vortex and turbulence when inhaling the fluid to increase pumping efficiency. It is to provide a centrifugal pump with a vortex prevention device that can reduce noise.

본 발명의 또 다른 목적은 링 부재의 와루방지판이 일체로 형성되는 와류방지구를 원심펌프가 토출구에 장착하여, 유체 토출시 와류 및 난류 등과 같은 유체의 불규칙한 흐름을 개선하여 펌핑 효율을 높이고, 소음을 줄일 수 있는 와류방지구를 구비한 원심펌프를 제공하는 것이다.Another object of the present invention is to improve pumping efficiency by improving the irregular flow of fluid such as vortex and turbulence when the fluid is discharged by installing a vortex prevention hole in which the vortex prevention plate of the ring member is integrally formed at the discharge port, and noise It is to provide a centrifugal pump having a vortex prevention device that can reduce the.

이와 같은 과제를 해결하기 위하여 본 발명에 따른 와류방지구를 구비한 원심펌프의 일례는 흡입구에 와류방지구가 장착된다.In order to solve such a problem, an example of a centrifugal pump having a vortex prevention device according to the present invention is equipped with a vortex prevention device in the suction port.

여기서, 상기 와류방지구는 키 블록과, 키 블록에 일체로 형성된 와류방지판으로 구성되며, 키 블록의 상부면에 와류방지판이 세워진 상태로 배치된다.Here, the vortex prevention device is composed of a key block and a vortex prevention plate integrally formed with the key block, and the vortex prevention plate is erected on an upper surface of the key block.

또한, 본 발명에 따른 와류방지구를 구비한 원심펌프는 흡입구의 내주면에 키홈이 형성되고, 상기 키홈에 와류방지구의 키 블록이 끼워져 고정됨으로써, 와류방지판이 흡입구의 중심을 향하도록 방사상으로 배치되는 것을 특징으로 한다.In addition, in the centrifugal pump having a vortex prevention port according to the present invention, a key groove is formed on the inner circumferential surface of the suction port, and a key block of the vortex prevention port is inserted and fixed in the key groove, so that the vortex prevention plate is radially disposed toward the center of the suction port. It features.

상기 키홈은 흡입구의 내주면에 복수개가 형성될 수 있다. A plurality of key grooves may be formed on the inner peripheral surface of the suction port.

상기 와류방지구는 복수개의 키홈 중 적어도 하나가 어느 한 키홈에 장착되고, 상기 와류방지구가 장착되지 않는 키홈에는 와류방지판이 없는 키블록이 장착되는 것을 특징으로 한다.The vortex prevention mechanism is characterized in that at least one of the plurality of key grooves is mounted in one of the key grooves, and a key block without a vortex prevention plate is mounted in the key groove to which the vortex prevention apparatus is not mounted.

다른 대안으로, 상기 와류방지구는 토출구에 장착되는 것을 특징으로 한다.As another alternative, the vortex prevention port is characterized in that it is mounted on the discharge port.

본 발명에 따른 와류방지구를 구비한 원심펌프의 다른 예는 흡입구에 와류방지구가 장착된다.Another example of a centrifugal pump having a vortex prevention device according to the present invention is equipped with a vortex prevention device at the suction port.

여기서, 상기 와류방지구는 링 부재의 내주면에 와류방지판의 하부면 선단이 연결되어, 와류방지판이 링 부재의 중심을 향하도록 세워진 상태로 배치되며, 와류방지판의 폭이 링 부재의 두께에 비해 상대적으로 크게 형성되어, 와류방지판이 링 부재에서 폭 방향으로 돌출된다. Here, the vortex prevention device is arranged in a state in which the lower end of the vortex prevention plate is connected to the inner peripheral surface of the ring member, and the vortex prevention plate is erected toward the center of the ring member, and the width of the vortex prevention plate is compared to the thickness of the ring member. It is formed relatively large, and the vortex prevention plate protrudes from the ring member in the width direction.

그리고, 본 발명에 따른 와류방지구를 구비한 원심펌프는 흡입구의 정면에 단턱부가 형성되고, 단턱부에 와류방지구의 링 부재가 배치됨으로써, 와류방지판의 하부면이 흡입구의 내주면에 밀착된 상태에서 흡입구의 중심을 향하도록 방사상으로 배치되는 것을 특징으로 한다.In addition, in the centrifugal pump having a vortex prevention port according to the present invention, a stepped portion is formed in the front of the suction port, and a ring member of the vortex prevention port is disposed on the stepped portion, so that the lower surface of the vortex prevention plate is in close contact with the inner circumferential surface of the suction port. It is characterized in that it is disposed radially toward the center of the inlet at.

상기 와류방지구는 흡입구와 연결관이 플랜지 이음 방식으로 연결되어, 흡입구의 단턱부에 배치된 링 부재가 연결관에 의해 고정되는 것을 특징으로 한다.The vortex prevention port is characterized in that the suction port and the connection pipe are connected by a flange connection, and a ring member disposed on the stepped portion of the suction port is fixed by the connection pipe.

상기 와류방지구는 링 부재에 와류방지판이 1개 ~ 4개가 형성되는 것을 특징으로 한다.The vortex prevention device is characterized in that the ring member is formed with 1 to 4 vortex prevention plates.

상기 와류방지구는 토출구에 장착되는 것을 특징으로 한다.The vortex prevention port is characterized in that it is mounted on the discharge port.

이것에 의해, 본 발명에 따른 와류방지구를 구비한 원심펌프는 펌프로 흡입되거나 펌프에서 토출되는 유체의 흐름에서 와류 및 난류 등과 같은 유체의 불규칙한 흐름을 방지하여 펌핑 효율을 높이고, 소음을 줄일 수 있는 효과가 있다.Thereby, the centrifugal pump having a vortex prevention device according to the present invention can increase pumping efficiency and reduce noise by preventing irregular flow of fluid such as vortex and turbulence in the flow of fluid sucked or discharged from the pump. There is an effect.

도 1은 본 발명의 제 1 실시예에 따른 와류방지구를 구비한 원심펌프를 도시한 정면도.
도 2는 본 발명의 제 1 실시예에 따른 와류방지구를 구비한 원심펌프를 도시한 측단면도.
도 3은 본 발명의 제 1 실시예에 따른 와류방지구를 구비한 원심펌프를 도시한 분해 사시도.
도 4는 흡입구의 키홈에 와루방지판이 있는 와류방지구와 와류방지판이 없는 키 블록이 장착되는 예를 도시한 사시도.
도 5는 도 1의 와류방지구가 토출구에 장착되는 것을 도시한 측단면도.
도 6은 본 발명의 제 2 실시예에 따른 와류방지구를 구비한 원심펌프를 도시한 정면도.
도 7은 본 발명의 제 2 실시예에 따른 와류방지구를 구비한 원심펌프를 나타낸 측단면도.
도 8은 본 발명의 제 2 실시예에 따른 와류방지구를 구비한 원심펌프를 도시한 분해 사시도.
도 9는 흡입구의 단턱부에 배치된 와류방지구가 연결관에 의해 고정되는 것을 도시한 개략도.
도 10은 링 부재에 와류방지판이 1개 ~4개가 형성된 예를 도시한 개략도.
도 11은 도 6의 와류방지구가 토출구에 장착되는 것을 도시한 측단면도.1 is a front view showing a centrifugal pump having a vortex prevention device according to a first embodiment of the present invention.
Figure 2 is a side cross-sectional view showing a centrifugal pump having a vortex prevention device according to the first embodiment of the present invention.
Figure 3 is an exploded perspective view showing a centrifugal pump having a vortex prevention device according to the first embodiment of the present invention.
4 is a perspective view showing an example in which a vortex prevention hole with a vortex prevention plate and a key block without a vortex prevention plate are mounted in a keyway of the suction port.
5 is a side cross-sectional view showing that the vortex prevention port of FIG. 1 is mounted on the discharge port.
6 is a front view showing a centrifugal pump having a vortex prevention device according to a second embodiment of the present invention.
Figure 7 is a side cross-sectional view showing a centrifugal pump having a vortex prevention device according to a second embodiment of the present invention.
Figure 8 is an exploded perspective view showing a centrifugal pump having a vortex prevention device according to a second embodiment of the present invention.
9 is a schematic view showing that the vortex prevention device disposed on the stepped portion of the suction port is fixed by a connection pipe.
10 is a schematic diagram showing an example in which one to four vortex prevention plates are formed on a ring member.
11 is a side cross-sectional view showing that the vortex prevention port of FIG. 6 is mounted on the discharge port.

이하 본 발명의 실시예를 도면을 참조하여 상세하게 설명하기로 한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

도 1 내지 도 3을 참조하면, 본 발명의 제 1 실시예에 따른 와류방지구를 구비한 원심펌프(10)는 흡입구(110)에 와류방지구(200)가 장착되는 것이다.1 to 3, the centrifugal pump 10 having a vortex prevention device according to the first embodiment of the present invention is a vortex prevention device 200 is mounted on the suction port 110.

상기 와류방지구(200)는 키 블록(220)과, 키 블록(220)에 일체로 형성된 와류방지판(210)으로 구성되며, 키 블록(220)의 상부면에 와류방지판(210)이 세워진 상태로 배치된다.The vortex prevention device 200 is composed of a key block 220 and a vortex prevention plate 210 formed integrally with the key block 220, and the vortex prevention plate 210 is formed on the upper surface of the key block 220. It is placed upright.

또한, 본 발명의 제 1 실시예에 따른 와류방지구를 구비한 원심펌프(10)는 흡입구(110)의 내주면(111)에 키홈(113)이 형성되고, 상기 키홈(113)에 와류방지구(200)의 키 블록(220)이 끼워져 고정됨으로써, 와류방지판(210)이 흡입구(110)의 중심(O1)을 향하도록 방사상으로 배치된다.In addition, the centrifugal pump 10 having a vortex prevention device according to the first embodiment of the present invention has a key groove 113 formed on the inner circumferential surface 111 of the suction port 110, and the vortex prevention device is formed in the key groove 113. The key block 220 of 200 is fitted and fixed, so that the vortex prevention plate 210 is radially disposed toward the center O1 of the suction port 110.

상기 키홈(113)은 흡입구(110)의 내주면에 복수개가 형성된다. 도 1 및 도 3에는 키홈(113)이 4개가 형성된 것으로 도시되어 있으나, 본 발명은 여기에 한정되지 않으며, 일반적으로 2개 ~ 5개의 키홈(113)이 흡입구(110)의 내주면에 등간격으로 형성된다.A plurality of key grooves 113 are formed on the inner circumferential surface of the suction port 110. 1 and 3 shows that four key grooves 113 are formed, but the present invention is not limited thereto, and in general, two to five key grooves 113 are provided on the inner circumferential surface of the suction port 110 at equal intervals. Is formed.

그리고, 상기 와류방지구(200)는 복수개의 키홈(113) 중 적어도 하나가 어느 한 키홈(113)에 장착되고, 필요에 따라 키홈(113)에 장착되는 개수를 달리할 수 있다.In addition, the vortex prevention device 200 may be installed in at least one of the plurality of key grooves 113 in any one of the key grooves 113, the number of the key grooves 113, if necessary, can be different.

도 4를 참조하면, 또한, 상기 와류방지구(200)가 장착되지 않는 키홈(113)에는 와류방지판이 없는 키블록(230)이 장착된다.Referring to FIG. 4, in addition, a key block 230 without a vortex prevention plate is mounted in a key groove 113 in which the vortex prevention device 200 is not mounted.

상기와 같이 구성된 본 발명의 제 1 실시예에 따른 와류방지구를 구비한 원심펌프는 물이 흡입구(110)를 통해 임펠러(도시하지 않음)로 흡입될 때, 흡입구(110)를 통과하는 유체의 흐름 중에 도 1에 화살표(131)로 도시된 것과 같은 와류 및 난류 등과 같이 불규칙한 유체의 흐름이 와류방지구(200)의 와류방지판(210)에 막힘으로써, 흡입구(110)를 통해 임펠러로 공급되는 유체에서 와류 및 난류 등과 같이 유체의 흐름을 방해하는 불규칙한 흐름이 발생하는 것을 방지하여, 펌핑 효율을 높이고, 유체 충격에 의해 발생하는 소음을 줄일 수 있는 장점이 있다.In the centrifugal pump having a vortex prevention port according to the first embodiment of the present invention configured as described above, when water is sucked into the impeller (not shown) through the suction port 110, the fluid passing through the suction port 110 During the flow, the flow of irregular fluid such as vortex and turbulence as shown by the arrow 131 in FIG. 1 is blocked by the vortex prevention plate 210 of the vortex prevention hole 200, and is supplied to the impeller through the inlet 110 There is an advantage of preventing the occurrence of irregular flows, such as eddy currents and turbulent flows, which hinder the flow of the fluid in the fluid, thereby increasing pumping efficiency and reducing noise generated by fluid impact.

도 5를 참조하면, 본 발명의 제 1 실시예에 따른 와류방지구를 구비한 원심펌프는 와류방지구(200)가 토출구(150)에 장착될 수 있다.Referring to FIG. 5, in the centrifugal pump having a vortex prevention hole according to the first embodiment of the present invention, a vortex prevention hole 200 may be mounted on the discharge port 150.

도 6 내지 도 8을 참조하면, 본 발명의 제 2 실시예에 따른 와류방지구를 구비한 원심펌프(300)는 흡입구(310)에 와류방지구(400)가 장착되는 것이다.6 to 8, the centrifugal pump 300 having a vortex prevention hole according to the second embodiment of the present invention is a vortex prevention hole 400 is mounted on the suction port 310.

상기 와류방지구(400)는 링 부재(410)의 내주면에 와류방지판(420)의 하부면 선단이 연결되어, 와류방지판(420)이 링 부재(410)의 중심(O1)을 향하도록 세워진 상태로 배치되며, 와류방지판(420)의 폭(W1)이 링 부재(410)의 두께(T)에 비해 상대적으로 크게 형성되어, 와류방지판(420)이 링 부재(410)에서 화살표(431) 방향과 같은 폭 방향으로 돌출된다.The vortex prevention device 400 is connected to the lower end of the vortex prevention plate 420 to the inner peripheral surface of the ring member 410, so that the vortex prevention plate 420 faces the center O1 of the ring member 410. It is arranged in an erect state, and the width (W1) of the vortex prevention plate 420 is formed relatively larger than the thickness (T) of the ring member 410, so that the vortex prevention plate 420 is an arrow in the ring member 410 It protrudes in the same width direction as the (431) direction.

또한, 본 발명의 제 2 실시예에 따른 와류방지구를 구비한 원심펌프는 흡입구(310)의 정면에 단턱부(315)가 형성되고, 단턱부(315)에 와류방지구(400)의 링 부재(410)가 배치됨으로써, 와류방지판(420)의 하부면이 흡입구(310)의 내주면에 밀착된 상태에서 흡입구(310)의 중심을 향하도록 방사상으로 배치된다.In addition, in the centrifugal pump having a vortex prevention device according to the second embodiment of the present invention, a stepped portion 315 is formed in the front of the suction port 310, and a ring of the vortex prevention hole 400 is formed on the stepped portion 315. As the member 410 is disposed, the lower surface of the vortex prevention plate 420 is radially disposed toward the center of the suction port 310 in a state in close contact with the inner circumferential surface of the suction port 310.

도 9를 참조하면, 상기 와류방지구(400)는 흡입구(310)와 연결관(500)이 플랜지 이음 방식으로 연결되어, 흡입구(310)의 단턱부(315)에 배치된 링 부재(410)가 연결관(500)에 의해 고정된다.9, the vortex prevention port 400 is a ring member 410 disposed on the stepped portion 315 of the suction port 310 and the connection pipe 500 are connected by a flange connection method. Is fixed by the connector 500.

도 10을 참조하면, 또한, 상기 와류방지구(400)는 링 부재(410)에 와류방지판(420)이 1개 ~ 4개가 형성될 수 있다.Referring to FIG. 10, in addition, the vortex prevention device 400 may have 1 to 4 vortex prevention plates 420 formed on the ring member 410.

상기와 같이 구성된 본 발명의 제 2 실시예에 따른 와류방지구를 구비한 원심펌프(300)는 물이 흡입구(310)를 통해 임펠러(도시하지 않음)로 흡입될 때, 흡입구(310)를 통과하는 유체의 흐름 중에 와류 및 난류 등과 같이 불규칙한 유체의 흐름이 와류방지구(400)의 와류방지판(420)에 의해 막힘으로써, 흡입구(310)를 통해 임펠러로 공급되는 유체에서 와류 및 난류 등과 같이 유체의 흐름을 방해하는 불규칙한 흐름이 발생하는 것을 방지하여, 펌핑 효율을 높이고, 유체 충격에 의해 발생하는 소음을 줄일 수 있는 장점이 있다.The centrifugal pump 300 having a vortex prevention port according to the second embodiment of the present invention configured as described above passes through the suction port 310 when water is sucked into the impeller (not shown) through the suction port 310 The flow of irregular fluid such as vortex and turbulence during the flow of the fluid is blocked by the vortex prevention plate 420 of the vortex prevention hole 400, such as vortex and turbulence in the fluid supplied to the impeller through the inlet 310 There is an advantage in that it is possible to increase pumping efficiency and reduce noise generated by fluid shock by preventing irregular flow that interferes with the flow of fluid.

도 11을 참조하면, 본 발명의 제 2 실시예에 따른 와류방지구를 구비한 원심펌프는 와류방지구(400)가 토출구(320)에 장착될 수 있다.Referring to FIG. 11, in the centrifugal pump having a vortex prevention hole according to the second embodiment of the present invention, a vortex prevention hole 400 may be mounted on the discharge port 320.

10 : 원심펌프 110 : 흡입구
113 : 키홈 200 : 와류방지구
210 : 와류방지판 220 : 키 블록10: centrifugal pump 110: suction port
113: keyway 200: vortex prevention hole
210: vortex prevention plate 220: key block

Claims (7)

삭제delete 삭제delete 삭제delete 흡입구(310)에 와류방지구(400)가 장착되고,
상기 와류방지구(400)는 링 부재(410)의 내주면에 와류방지판(420)의 하부면 선단이 연결되어, 와류방지판(420)이 링 부재(410)의 중심(O1)을 향하도록 세워진 상태로 배치되며, 와류방지판(420)의 폭(W1)이 링 부재(410)의 두께(T)에 비해 상대적으로 크게 형성되어, 와류방지판(420)이 링 부재(410)에서 폭 방향으로 돌출되고,
흡입구(310)의 정면에 단턱부(315)가 형성되고, 단턱부(315)에 와류방지구(400)의 링 부재(410)가 배치됨으로써, 와류방지판(420)의 하부면이 흡입구(310)의 내주면에 밀착된 상태에서 흡입구(310)의 중심을 향하도록 방사상으로 배치되고,
상기 와류방지구(400)는 흡입구(310)와 연결관(500)이 플랜지 이음 방식으로 연결되어, 흡입구(310)의 단턱부(315)에 배치된 링 부재(410)가 연결관(500)에 의해 고정되는 것을 특징으로 하는 와류방지구를 구비한 원심펌프.
The vortex prevention port 400 is mounted on the suction port 310,
The vortex prevention device 400 is connected to the lower end of the vortex prevention plate 420 to the inner peripheral surface of the ring member 410, so that the vortex prevention plate 420 faces the center O1 of the ring member 410. It is arranged in an erect state, and the width (W1) of the vortex prevention plate 420 is formed relatively larger than the thickness (T) of the ring member 410, so that the vortex prevention plate 420 is wide in the ring member 410 Protrudes in the direction,
The stepped portion 315 is formed in the front of the suction port 310, and the ring member 410 of the vortex prevention port 400 is disposed in the stepped part 315, so that the lower surface of the vortex prevention plate 420 is 310) in a state in close contact with the inner circumferential surface of the suction port 310 is disposed radially toward the center,
In the vortex prevention port 400, the suction port 310 and the connection pipe 500 are connected by a flange connection, so that the ring member 410 disposed on the stepped part 315 of the suction port 310 is connected to the connection pipe 500. Centrifugal pump having a vortex prevention device, characterized in that fixed by.
 삭제delete 제 4 항에 있어서,
상기 와류방지구(400)는 링 부재(410)에 와류방지판(420)이 1개 ~ 4개가 형성되는 것을 특징으로 하는 와류방지구를 구비한 원심펌프.
The method of claim 4,
The vortex prevention device 400 is a centrifugal pump having a vortex prevention device, characterized in that one to four vortex prevention plates 420 are formed on the ring member 410.
 제 4 항에 있어서,
상기 와류방지구(400)는 토출구(320)에 장착되는 것을 특징으로 하는 와류방지구를 구비한 원심펌프.
The method of claim 4,
The vortex prevention device 400 is a centrifugal pump having a vortex prevention device, characterized in that mounted on the discharge port (320).
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KR101701159B1 (en) * 2016-05-30 2017-02-01 (주)지천펌프공업 a inlet cover and a pump having the same
KR101738910B1 (en) * 2017-02-01 2017-05-24 주식회사 대영파워펌프 Impeller assembly of Centrifugal pump
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