JPS59147900A - Fluid suction-discharge device - Google Patents

Abstract

PURPOSE:To make the suction and discharge operation of drainage inclusive of an admixture ever so easy, by interconnecting a terminal end part of a transfer pipe, which makes a starting end part open inside a fluid passing chamber having a fluid suction port, to a fluid storage chamber, while opening a discharge port of a submergible pump inside the fluid storage chamber into the inside of the transfer pipe as a nozzle. CONSTITUTION:When a submergible pump 5 rotates, the water sucked in from a suction port 5 passes through a transfer pipe 8 and flows back to a fluid storage chamber from a terminal end part 8b but as a pump discharge port 7 is formed in nozzle form, there produces an attractive action from a starting end part 8a of the transfer pipe 8 whereby fluid in the feed source is sucked up out of a fluid suction port 2. Afterward, the fluid passes through the inside of the transfer pipe 8 from the starting end part 8a via a fluid passing chamber 1 and stored inside a fluid storage chamber 3 from the terminal end part 8b. Therefore, when it is used for suction and discharge of waste water inclusive of an admixture, there is no fear of clogging, thus pump operation can be safely performed.

Description

DETAILED DESCRIPTION OF THE INVENTION (1) Purpose of the Invention The present invention relates to a liquid suction/drainage device, and is particularly suitable for suction/drainage of sewage containing solid or fibrous impurities.

Conventionally, for example, as shown in FIG. 3, a pump discharge lower' of a submersible pump 5', which is submerged in a discharge chamber 3' having a liquid discharge port 4', is opened into a liquid storage chamber 3'. A liquid suction/drainage device is known in which a liquid passage chamber 1' provided with a liquid suction port 2' communicating with a liquid source is communicated with a pump suction port 6/by a liquid passage pipe 8'.

However, when such a liquid suction/drainage device is used for suction/drainage of sewage containing contaminants, solid or fibrous contaminants become entangled with the impeller or shaft of the pump, causing blockage. In addition, in order to prevent solid matter from being sucked in, a filter 9 is often completely installed inside the liquid passage chamber 1', or a strainer 9'' is attached to the liquid suction port 2'. Not only does this result in a decrease in suction and discharge efficiency, but the strainer 9'' and filter 9' may be clogged with fibrous or sheet-like contaminants, making liquid suction completely impossible.

The purpose of the present invention is to eliminate such conventional drawbacks and provide a liquid suction and drainage system that effectively functions even in wastewater containing solid or fibrous foreign matter without causing entanglement or blockage. The goal is to provide equipment.

(2) Structure of the Invention The liquid suction/drainage device according to the present invention has a liquid passage chamber provided with a liquid suction port communicating with a liquid supply source, and a liquid storage chamber provided with a liquid discharge port, and the liquid is passed through the starting end. The terminal end of the transfer pipe opened into the chamber is opened into the liquid storage chamber to communicate the two chambers, a submersible pump is sunk in the liquid storage chamber, the pump suction port is opened at the lower part of the liquid storage chamber, and the pump The discharge port is formed in a nozzle shape and opens into the transfer pipe.

To explain FIG. 1 and FIG. 2 of the embodiment, 1 is a liquid passage chamber provided with a liquid suction port 2 communicating with a liquid supply source, 3 is a liquid storage chamber provided with a liquid discharge port 4, and 5 is a liquid storage chamber. This is a submersible pump submerged in a tank 3, with a pump suction port 6 opening at the lower part of the liquid storage chamber 3, and a pump discharge lower formed into a nozzle shape opening into a transfer pipe 8, which will be described later. The transfer pipe 8 has its starting end 8a open into the liquid passage chamber 1 and its terminal end 8b opened into the liquid storage chamber 8, thereby communicating the two chambers I and 3.

When in use, fill the liquid storage chamber 3 with an appropriate amount of water in advance, and connect the open end of the liquid suction conduit (not shown) connected to the liquid suction port 2 to any liquid supply source. Submersible pump 5 in the facing position
drive. When the submersible pump 5 rotates, the water in the liquid storage chamber 3 sucked from the pump suction port 6 passes through the transfer pipe 8 and returns to the liquid storage chamber 3 from its terminal end 8b. Because it is formed in a nozzle shape, the transfer pipe 8
A suction action is generated from the starting end 8a to suck the liquid from the liquid supply source through the liquid suction port 2, and the liquid is passed through the transfer pipe 8 from the starting end 8a through the liquid passage chamber 1 to the liquid storage chamber 3 from the terminal end 8b. stored inside,
When the liquid storage chamber 3 becomes full of water, the liquid is discharged from the discharge liquid []4. In addition, although there are nine l (provided) laners in the liquid passage chamber 1, in the apparatus of the present invention, it is not always necessary to set I7 inside.

(3) Effects of the Invention According to the device of the present invention, the liquid from the supply source is transferred through the transfer pipe 8 without passing through the vortex chamber of the submersible pump 5, so it can be used for sucking and discharging sewage containing impurities. Even if
There is no risk of entanglement or blockage, making it extremely safe.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of a liquid sucking and discharging device of the present invention, FIG. 2 is an enlarged sectional view of a main part of the liquid sucking and discharging device of the present invention, and FIG. 3 is a block diagram of a known liquid sucking and discharging device. l...liquid passage chamber, 2...liquid suction port, 3...liquid storage chamber, 4
...Discharge fj, [1,5... Submersible pump, 6... Pump suction port, 7... Pump discharge port, 8... Transfer pipe,
8a...starting end, 8b...terminating end. Patent applicant Tsurumi Seisakusho Co., Ltd.-60:

Claims (1)

[Claims] a liquid passage chamber (1) provided with a liquid suction port (2) communicating with a liquid supply source;
A transfer chamber (8) having a liquid storage chamber (3) provided with a discharged liquid [i (41) and whose starting end (8a) is opened into the liquid passage chamber (1).
Both chambers (1) are opened by opening the terminal end (8b) into the liquid storage chamber 3.
(31 is communicated with the submersible pump (31), and the submersible pump (
5) is sunk to open the pump suction port (6) to the lower part of the liquid storage chamber, and the pump discharge port (7) is formed in a nozzle shape and opens into the transfer pipe (8). Liquid suction/drainage device.