CN212479607U

CN212479607U - Non-metal centrifugal pump for ultra-pure water delivery

Info

Publication number: CN212479607U
Application number: CN202020902735.4U
Authority: CN
Inventors: 邓宇峰; 高静; 王晓燕
Original assignee: Warwick Water Technology China Co ltd
Current assignee: Warwick Water Technology China Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-02-05
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a non-metallic centrifugal pump for ultrapure water carries among the delivery pump technical field, including centrifugal pump and water supply installation etc, through setting up water supply installation, before centrifugal pump is starting, water supply installation is to the pump case of centrifugal pump and the intraductal water delivery of water absorption, replace the manpower to irritate water, avoid the manpower to participate in, in order to reduce the contact with the pure water, the pure water gets into to the water supply shell by the inlet tube in, and discharge to the centrifugal pump in by the outlet pipe, through outside pneumatic cylinder work, it removes to drive the piston, the piston rod removes in the piston chamber, first outlet chamber and second outlet chamber pressure are given in the circulation, make the switch valve plate open constantly and seal the limbers that corresponds, thereby make water respectively along the continuous outlet pipe that surges of first outlet chamber and second outlet chamber, after the definite time, start the centrifugal pump, then stop outside pneumatic cylinder work can.

Description

Non-metal centrifugal pump for ultra-pure water delivery

Technical Field

The utility model relates to a delivery pump technical field, specific field is a non-metallic centrifugal pump for ultrapure water is carried.

Background

With the continuous development and rapid application of innovative technologies such as artificial intelligence, internet of things and 5G communication, the semiconductor industry in China continuously grows, and the water requirement of the semiconductor industry is extremely strict so as to meet the manufacturing requirement of increasingly small, high-speed and high-efficiency high-end chips. The existing centrifugal pump works by utilizing the rotation of an impeller to make water generate centrifugal motion, the centrifugal pump is required to fill water in a pump shell and a water suction pipe before being started, the process is generally filled with water by manpower, then a motor is started, a pump shaft drives the impeller and the water to generate high-speed rotation motion, the water generates centrifugal motion and is thrown to the outer edge of the impeller, the water flows into a water pressing pipeline of the water pump through a flow channel of a volute pump shell, and the manpower participation in the process of conveying the ultrapure water is avoided as much as possible so as to reduce the contact with the pure water.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a non-metallic centrifugal pump for ultrapure water is carried to solve the problem of mentioning in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a non-metallic centrifugal pump for ultra-pure water delivery comprises a centrifugal pump, a water inlet end of the centrifugal pump is communicated with a water supply device, the water supply device comprises a water supply shell, the symmetrical side walls of the water supply shell are respectively communicated with a water inlet pipe and a water outlet pipe, the water outlet pipe is connected with a flange at the water inlet end of the centrifugal pump, piston clapboards are symmetrically and fixedly connected on the inner side wall of the water supply shell, the two piston clapboards and the side wall of the water supply shell jointly form a piston chamber, a piston is arranged in the piston chamber, a first water outlet chamber and a second water outlet chamber are respectively communicated and arranged in the water supply shell and positioned at two sides of the piston chamber, and the first water outlet chamber and the second water outlet chamber are both provided with water through holes, and the first water outlet chamber and the second water outlet chamber are both movably connected with switch valve plates at the positions of the water through holes.

Preferably, the two opposite side walls of the piston partition plate are respectively and symmetrically fixedly connected with a limiting plate.

Preferably, the piston comprises a piston plate, the piston plate is located inside the piston chamber, one end of a piston rod is fixedly connected to the side wall of the piston plate, and the other end of the piston rod penetrates out of the water supply shell and is fixedly connected with the output end of the hydraulic cylinder.

Preferably, a sealing plug is in threaded connection with the outer side wall of the water supply housing and is positioned at the penetrating position of the piston rod.

Preferably, the switch valve plate includes the valve plate body that the symmetry set up, two fixedly connected with connecting rod between the valve plate body, fixedly connected with is used for supporting on the inside wall of water supply shell the support ring of connecting rod, connecting rod sliding connection in on the inside wall of support ring.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a non-metallic centrifugal pump for ultrapure water is carried, through setting up water supply installation, before centrifugal pump is starting, water supply installation is to the pump case and the interior water delivery of suction pipe of centrifugal pump, replace the manpower to irritate water, avoid the manpower to participate in, in order to reduce the contact with the pure water, the pure water enters into to the water supply shell by the inlet tube, and discharge to the centrifugal pump in by the outlet pipe, work through outside pneumatic cylinder, it removes to drive the piston, the piston rod removes in the piston chamber, first outlet chamber and second outlet chamber pressure are given in the circulation, make the switch valve plate open constantly and seal the limbers that corresponds, thereby make water respectively along first outlet chamber and the continuous outlet pipe that gushes out of second outlet chamber, after the certain time, start the centrifugal pump, then stop outside pneumatic cylinder work can.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention in a first state;

FIG. 2 is a schematic view of the main structure of the present invention in a second state;

FIG. 3 is a bottom view of the centrifugal pump of the present invention;

fig. 4 is a side sectional view of the present invention.

In the figure: 1-centrifugal pump, 2-water supply device, 201-water supply shell, 202-water inlet pipe, 203-water outlet pipe, 204-piston partition plate, 205-piston chamber, 206-piston, 2061-piston plate, 2062-piston rod, 207-limiting plate, 208-first water outlet chamber, 209-second water outlet chamber, 210-water through hole, 211-switch valve plate, 2111-valve plate body, 2112-connecting rod, 2113-supporting ring and 3-sealing plug.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The description of the directions (up, down, left, right, front, and back) is made with reference to the structure shown in fig. 1 of the drawings attached to the specification, but the practical direction of the present invention is not limited thereto.

Example (b):

referring to fig. 1-4, the present invention provides a technical solution: referring to fig. 3, a non-metallic centrifugal pump for ultra-pure water delivery includes a centrifugal pump 1, the centrifugal pump 1 is a main power component for delivering pure water, and is an existing centrifugal pump, a pump shaft is driven by a motor to rotate, so as to drive an impeller and water to make high-speed rotation, the water makes centrifugal motion, is thrown to the outer edge of the impeller, and flows into a water pumping pipeline of the water pump through a flow channel of a volute pump housing, a water inlet end of the centrifugal pump 1 is communicated with a water supply device, the water supply device is arranged to deliver water to a pump housing and a water suction pipe of the centrifugal pump 1 before the centrifugal pump is started, instead of manual filling, so as to avoid manual participation and reduce contact with pure water, referring to fig. 1 and 2, the water supply device includes a water supply housing 201, the water supply housing 201 is used for bearing internal components thereof, symmetrical side walls of the water supply housing 201 are respectively communicated with a water, the water outlet pipe 203 is connected with a flange at the water inlet end of the centrifugal pump 1, pure water enters the water supply shell 201 from the water inlet pipe 202 and is discharged into the centrifugal pump 1 through the water outlet pipe 203, piston partition plates 204 are symmetrically and fixedly connected to the inner side wall of the water supply shell 201, two piston partition plates 204 and the side wall of the water supply shell 201 jointly form a piston chamber 205, a piston 206 is arranged inside the piston chamber 205, a first water outlet chamber 208 and a second water outlet chamber 209 are respectively communicated and arranged inside the water supply shell 201 and on two sides of the piston chamber 205, water through holes 210 are respectively arranged on the first water outlet chamber 208 and the second water outlet chamber 209, switch valve plates 211 are movably connected to the positions inside the first water outlet chamber 208 and the second water outlet chamber 209 and on the water through holes 210, and the input end of the piston 206 is fixedly connected with the output end of an external hydraulic cylinder, and an external hydraulic cylinder works to drive the piston 206 to move, the piston rod 206 moves in the piston chamber 205, pressure is circularly applied to the first water outlet chamber 208 and the second water outlet chamber 209, the switch valve plate 211 continuously opens and closes the corresponding water through hole 210, so that water continuously flows into the water outlet pipe 203 along the first water outlet chamber 208 and the second water outlet chamber 209 respectively, after a certain time, the centrifugal pump 1 is started, and then the external hydraulic cylinder stops working.

Referring to fig. 1, specifically, the opposite side walls of the two piston partitions 204 are symmetrically and fixedly connected with a limiting plate 207 respectively. The retainer plate 207 is provided to limit the displacement range of the piston 206.

Referring to fig. 2, specifically, the piston 206 includes a piston plate 2061, the piston plate 2061 is located inside the piston chamber 205, one end of a piston rod 2062 is fixedly connected to a side wall of the piston plate 2061, and the other end of the piston rod 2062 penetrates through the water supply housing 201 and is fixedly connected to an output end of the hydraulic cylinder. The external hydraulic cylinder operates to move the piston rod 2062, and the piston rod 2062 moves to move the piston plate 2061 in the piston chamber 205.

Referring to fig. 2, specifically, a sealing plug 3 is screwed on the outer side wall of the water supply housing 201 at the position where the piston rod 2062 penetrates. The sealing plug 3 is arranged to seal the water supply housing 201, specifically, the sealing position is a position where the piston rod 2062 penetrates out of the water supply housing 201, and the piston rod 2062 penetrates through the sealing plug 3 at the same time.

Referring to fig. 1, specifically, the switching valve plate 211 includes symmetrically disposed valve plate bodies 2111, a connecting rod 2112 is fixedly connected between the two valve plate bodies 2111, a support ring 2113 for supporting the connecting rod 2112 is fixedly connected to an inner side wall of the water supply housing 201, and the connecting rod 2112 is slidably connected to the inner side wall of the support ring 2113. The connecting rod 2112 is movable up and down in the support ring 2113 by an external force, and when moving up, the valve plate 2111 is separated from the corresponding water passage hole 210, and at this time, the water passage hole 210 is opened, and when moving down, the valve plate 2111 is brought into contact with the corresponding water passage hole 210, and at this time, the water passage hole 210 is closed.

The working principle is as follows: the centrifugal pump 1 is a main power part for conveying pure water, which is the existing centrifugal pump, a pump shaft is driven to rotate by a motor, so as to drive an impeller and water to do high-speed rotation motion, the water is thrown to the outer edge of the impeller and flows into a water pressing pipeline of the water pump through a flow channel of a volute pump shell, a water inlet end of the centrifugal pump 1 is communicated with a water supply device, the water supply device is arranged for conveying water to a pump shell and a water suction pipe of the centrifugal pump 1 before the centrifugal pump is started, the water is filled in place of manpower, the manpower participation is avoided, the contact with the pure water is reduced, the water supply device comprises a water supply shell 201, the water supply shell 201 is used for bearing internal components, a water inlet pipe 202 and a water outlet pipe 203 are respectively communicated and arranged on the symmetrical side walls of the water supply shell 201, the water outlet pipe 203 is connected with a water inlet end flange of the centrifugal pump 1, the piston clapboards 204 are symmetrically and fixedly connected to the inner side wall of the water supply shell 201, the two piston clapboards 204 and the side wall of the water supply shell 201 form a piston chamber 205, a piston 206 is arranged in the piston chamber 205, a first water outlet chamber 208 and a second water outlet chamber 209 are respectively arranged in the water supply shell 201 and positioned at two sides of the piston chamber 205 in a communicating manner, water through holes 210 are respectively arranged on the first water outlet chamber 208 and the second water outlet chamber 209, switch valve plates 211 are movably connected to the first water outlet chamber 208 and the second water outlet chamber 209 and positioned at the positions of the water through holes 210, the input end of the piston 206 is fixedly connected with the output end of an external hydraulic cylinder, the external hydraulic cylinder works to drive the piston 206 to move, the piston rod 206 moves in the piston chamber 205 to circularly apply pressure to the first water outlet chamber 208 and the second water outlet chamber 209, so that the switch valve plates 211 continuously open and close the corresponding water through holes 210, thereby water continuously flows into and out of the water outlet pipe 203, after a certain time, the centrifugal pump 1 is started, and then the external hydraulic cylinder is stopped.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of description and attached drawing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A non-metallic centrifugal pump for ultrapure water delivery, comprising a centrifugal pump (1), characterized in that: the water supply device is arranged at the water inlet end of the centrifugal pump (1) in a communicated manner and comprises a water supply shell (201), a water inlet pipe (202) and a water outlet pipe (203) are respectively arranged on the symmetrical side walls of the water supply shell (201) in a communicated manner, the water outlet pipe (203) is connected with the water inlet end of the centrifugal pump (1) in a flange manner, piston partition plates (204) are symmetrically and fixedly connected onto the inner side wall of the water supply shell (201), the two piston partition plates (204) and the side wall of the water supply shell (201) jointly form a piston chamber (205), a piston (206) is arranged inside the piston chamber (205), a first water outlet chamber (208) and a second water outlet chamber (209) are respectively arranged inside the water supply shell (201) and positioned on the two sides of the piston chamber (205) in a communicated manner, and water through holes (210) are respectively arranged on the first water outlet chamber (208) and the, the switch valve plates (211) are movably connected with the inner parts of the first water outlet chamber (208) and the second water outlet chamber (209) and are positioned at the water through hole (210).

2. A non-metallic centrifugal pump for ultrapure water delivery according to claim 1 wherein: and the opposite side walls of the two piston clapboards (204) are respectively and symmetrically fixedly connected with a limiting plate (207).

3. A non-metallic centrifugal pump for ultrapure water delivery according to claim 1 wherein: the piston (206) comprises a piston plate (2061), the piston plate (2061) is located inside the piston chamber (205), one end of a piston rod (2062) is fixedly connected to the side wall of the piston plate (2061), and the other end of the piston rod (2062) penetrates out of the output end of the water supply shell (201) and the output end of the hydraulic cylinder.

4. A non-metallic centrifugal pump for ultrapure water delivery according to claim 3 wherein: and a sealing plug (3) is in threaded connection with the outer side wall of the water supply shell (201) and is positioned at the penetrating position of the piston rod (2062).

5. A non-metallic centrifugal pump for ultrapure water delivery according to claim 1 wherein: switch valve plate (211) is including the valve plate body (2111) that the symmetry set up, two fixedly connected with connecting rod (2112) between valve plate body (2111), fixedly connected with is used for supporting on the inside wall of water supply shell (201) support ring (2113) of connecting rod (2112), connecting rod (2112) sliding connection in on the inside wall of support ring (2113).