CN221347295U - Drainage pump drainage efficiency optimizing system - Google Patents

Abstract

The utility model provides a drainage efficiency optimization system of a drainage pump, and relates to the field of coal mines. The drainage pump drainage efficiency optimizing system includes: the main drainage pump and the water feeding pump are used for actively feeding water to the main drainage pump; the water feeding pump includes: an impeller; the flow director is connected to the impeller; one end of the connecting shaft is connected with the impeller, and the other end of the connecting shaft is connected with the bottom of the coupler; the output end of the motor is connected with the coupler; the outer tube is sleeved on the connecting shaft and is rotationally connected with the connecting shaft; one end of the water outlet pipe is connected with the outer pipe, and the other end of the water outlet pipe is connected with the water suction port of the main drainage pump; the problems of long vacuumizing time and cavitation of the water pump are solved, and the drainage efficiency of the water pump is improved.

Description

Drainage pump drainage efficiency optimizing system

Technical Field

The utility model relates to the technical field of coal mines, in particular to a drainage pump drainage efficiency optimization system.

Background

The self-priming water pump is one kind of water pump, and has the principle that before the water pump is started, water is filled into the pump casing or water is stored in the pump casing, after the water pump is started, the impeller rotates at high speed to make the water in the impeller channel flow to the volute, at this moment, the inlet forms vacuum to open the water inlet check valve, the air in the suction pipe enters the pump and reaches the outer edge through the impeller channel, and through repeated circulation, the air in the suction pipeline is exhausted gradually to make the water enter the pump, so as to complete the self-priming process.

At present, the operation mode of the main drainage pump in the central water pump room is self-priming drainage, water is pumped and vacuumized through the pump body, water in the small water-absorbing well is finally drained to a drainage pipeline on the ground and then is conveyed to a sewage treatment plant for treatment, and the traditional self-priming water supply mode has the defects that the pump vacuumizing time is long, the pump cavitation occurs during operation, and the drainage efficiency of the pump is low.

Disclosure of utility model

The utility model aims to overcome the defects in the prior art, and provides a drainage efficiency optimization system of a drainage pump, which solves the problems of long vacuumizing time and cavitation of the water pump and improves the drainage efficiency of the water pump.

In order to achieve the above purpose, the technical scheme adopted by the embodiment of the utility model is as follows:

The embodiment of the utility model provides a drainage efficiency optimization system of a drainage pump, which comprises the following components: the main drainage pump and the water feeding pump are used for actively feeding water to the main drainage pump; the water feeding pump includes: an impeller; the flow director is connected to the impeller; one end of the connecting shaft is connected with the impeller, and the other end of the connecting shaft is connected with the bottom of the coupler; the output end of the motor is connected with the coupler; the outer tube is sleeved on the connecting shaft and is rotationally connected with the connecting shaft; one end of the water outlet pipe is connected with the outer pipe, and the other end of the water outlet pipe is connected with the water suction port of the main drainage pump.

Optionally, the water feeding pump further comprises: and the small end of the horn tube is connected with one end of the outer tube, which is close to the impeller.

Optionally, a filter screen is arranged on the horn tube, and the filter screen is arranged in the large end of the horn tube.

Optionally, the outer tube passes the fixed bolster and extends to subaerial, the fixed bolster with ground bottom fixed connection.

Optionally, the outer tube is multistage, connects through the ring flange between every section.

Optionally, the water feeding pump is a centrifugal water pump.

The beneficial effects of the utility model are as follows:

This drain pump drainage efficiency optimizing system starts the feed pump earlier, under the drive of motor, the impeller rotates, will absorb water the outlet pipe of water flow direction feed pump through the outer tube with the water in the pit, and the water inlet of main drain pump is flowed into again, and the link of main drain pump evacuation has been avoided to restart this moment, has improved the problem that the pump evacuation time is long, the water pump cavitation, has improved the drainage efficiency of water pump, and the displacement of water pump has increased about 11%.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a block diagram of a drainage efficiency optimizing system of a drainage pump according to an embodiment of the present utility model.

Icon: 1-a main drainage pump; 11-a water suction port; 12-water outlet; 2-a water feeding pump; 20-fixing a bracket; 21-a water outlet pipe; 22-impeller; 23-a deflector; 24 connecting shafts; 25-motors; 26-an outer tube; 27-a horn; 28-a filter screen; 29-coupling; 3-ground; 4-water surface.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Fig. 1 is a block diagram of a drainage efficiency optimizing system of a drainage pump according to an embodiment of the present utility model.

Referring to fig. 1, an embodiment of the present utility model provides a drain pump drain efficiency optimization system, including: a main drainage pump 1 and a water feeding pump 2, wherein the water feeding pump 2 actively feeds water to the main drainage pump 1; the water feeding pump 2 includes: an impeller 22; a deflector 23, the deflector 23 being connected to the impeller 22; a connecting shaft 24, wherein one end of the connecting shaft 24 is connected with the impeller 22, and the other end is connected with the bottom of a coupling 29; the motor 25, the output end of the motor 25 is connected with the coupling 29; the outer tube 26 is sleeved on the connecting shaft 24, and the outer tube 26 is rotatably connected with the connecting shaft 24; and one end of the water outlet pipe 21 is connected with the outer pipe 26, and the other end is connected with the water suction port 11 of the main drainage pump 2.

In the application, an outer tube 26 of a water feeding pump 2 penetrates through the ground 3 and extends into the water surface 4, a connecting shaft 24 penetrates through the outer tube 26, a coupler 29 and a motor 25 are arranged at one end of the connecting shaft 24 extending to the ground 3, one end of the outer tube 26, which is close to the coupler 29, is connected with the connecting shaft 24 through a sealing bearing, an opening is arranged on the side wall of the part of the outer tube 26, which is positioned on the ground 3, and the opening is connected with one end of a water outlet tube 21 through a flange.

The inducer 23 is located at the front end of the impeller 22 of the water feeding pump 2, the impeller 22 and the inducer 23 are arranged at one end of the connecting shaft extending into the water surface, the impeller 22 is composed of a plurality of blades, the shape and the number of the blades can influence the performance of the water feeding pump 2, when the water feeding pump 2 works, the motor 25 drives the impeller 22 to rotate at a high speed, water flow at the water inlet is sucked into the impeller 22, and after the impeller 22 accelerates the water flow, the water flow is discharged to the outer pipe 26 through the inducer 23.

The deflector 23 serves to guide the flow of the liquid; the coupling 29 is a device for coupling two shafts or the shafts and the rotary member to rotate together during the transmission of motion and power, and is not normally disengaged, and is sometimes used as a safety device for preventing the coupled parts from bearing excessive load, thereby playing a role of overload protection.

Further, the water feeding pump 2 further includes: a horn 27, wherein the small end of the horn 27 is connected with one end of the outer tube 26 close to the impeller 22.

In this embodiment, the horn 27 and the outer tube 26 are sealed by a flange.

Further, a filter screen 28 is disposed on the horn 27, and the filter screen 28 is disposed inside the large end of the horn 27.

In this embodiment, the filter screen 28 can effectively filter impurities in water, prevent the impurities from entering the pipeline, and thus affect the drainage effect.

Further, the outer tube 26 extends to the ground through the fixing bracket 20, and the fixing bracket 20 is fixedly connected with the bottom of the ground 3.

In this embodiment, the both ends of fixed bolster are fixed with ground bottom respectively, and the outer tube passes the center of whole fixed bolster, and the fixed bolster is in order to make the water feeding pump firm not rock in the course of the work.

Further, the outer tube is multi-section, and each section is connected through a flange.

Further, the water feeding pump 2 is a centrifugal water pump.

In this embodiment, the centrifugal water pump, also called a "centrifugal pump", is a pumping machine that utilizes the centrifugal motion of water. The centrifugal pump is based on the centrifugal force principle, uses the rotating impeller to generate centrifugal force to accelerate fluid and bring the fluid into the pump body, then discharges the fluid through the outlet, and forms a vortex rotating at a high speed under the rotation of the impeller after the fluid enters the pump body, so that the fluid is subjected to the action of centrifugal force and kinetic energy, and the pressure and the speed of the fluid are increased, thereby achieving the purpose of conveying the fluid. The centrifugal water pump has the characteristics of small size, large water yield, simple structure, no interference to the convection circulation work of water in a cooling system once the water pump fails, and the like, so that the centrifugal water pump has wider application range.

The following describes a use process of the drainage pump drainage efficiency optimization system provided by the application:

The drainage efficiency optimizing system of the drainage pump firstly starts the motor 25 of the water feeding pump 2, the connecting shaft 24 drives the impeller 22 to rotate under the driving of the motor 25, water in the small water absorption well flows into the outer pipe 26 through the filter screen 28 in the horn tube 27 and flows out of the water outlet pipe 21, flows into the water absorption port 11 of the main drainage pump 2, and starts the main drainage pump 1 again about 10 seconds, and the water flows to the water outlet 12 through the water absorption port 11 under the driving of the main drainage pump 1, so that the aim of high-efficiency drainage is finally achieved.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. A drain pump drainage efficiency optimization system, comprising:

The device comprises a main drainage pump (1) and a water feeding pump (2), wherein the water feeding pump (2) actively feeds water to the main drainage pump (1);

the water feeding pump (2) comprises:

An impeller (22);

A deflector (23), the deflector (23) being connected to the impeller (22);

The connecting shaft (24), one end of the connecting shaft (24) is connected with the impeller (22), and the other end is connected with the bottom of the coupler (29);

the output end of the motor (25) is connected with the coupler (29);

the outer tube (26) is sleeved on the connecting shaft (24), and the outer tube (26) is rotationally connected with the connecting shaft (24);

One end of the water outlet pipe (21) is connected with the outer pipe (26), and the other end is connected with the water suction port of the main drainage pump (1).

2. The drain pump drain efficiency optimization system of claim 1, wherein the water feed pump further comprises:

And the small end of the horn tube (27) is connected with one end of the outer tube (26) close to the impeller (22).

3. Drain pump drainage efficiency optimizing system according to claim 2, characterized in that a filter screen (28) is provided on the trumpet (27), said filter screen (28) being provided inside the large end of the trumpet (27).

4. Drain pump drainage efficiency optimization system according to claim 1, characterized in that the outer tube (26) extends through a fixed bracket (20) onto the ground (3), the fixed bracket (20) being fixedly connected to the bottom of the ground (3).

5. Drain pump drainage efficiency optimization system according to claim 1, characterized in that the outer tube (26) is multi-segmented, each segment being connected by a flange.

6. Drain pump drainage efficiency optimization system according to claim 1, characterized in that the water feed pump (2) is a centrifugal water pump.