CN220433793U - Double-water source automatic switching circulating water device - Google Patents

Abstract

The utility model discloses a double-water-source automatic switching circulating water device which comprises a water cooling motor, a river pretreatment tank and a water tank, wherein a river water reference pipeline is connected and arranged on the river pretreatment tank, a ball valve is connected between the river pretreatment tank and the water tank, a mechanical ball float valve is arranged on the water tank, an electromagnetic valve is connected and arranged at the end part of the mechanical ball float valve, a pressurizing pump group is connected and arranged at the water outlet end of the water tank, a main water supply pipeline is connected and arranged at the water outlet end of the pressurizing pump group and the water tank of the water cooling motor, a check valve, a pressure transmitter, a Y-shaped filter and a proportion regulating valve are sequentially connected and arranged on the main water supply pipeline, a motor cooling water return pipe is also connected and arranged on the water cooling motor, a return water main pipe is arranged on the water tank, and a plurality of ball valves are connected and arranged between the return water main pipe and the motor cooling water return pipe. Compared with the prior art, the utility model has the advantages that: the double-water-source automatic switching circulating water device can reduce the water consumption of tap water, can be recycled, and reduces the running cost.

Description

Double-water source automatic switching circulating water device

Technical Field

The utility model relates to the technical field of water supply of water-cooled motors in water plants, in particular to a double-water-source automatic switching circulating water device.

Background

The water supply system of the water plant can effectively utilize water resources, provide cooling requirements for equipment, reduce dependence on natural resources and have the advantages of energy conservation and environmental protection.

By arranging the double-water-source supply system, the main water supply source can be switched to the standby water supply source in time when the main water supply source fails or is maintained, continuous cooling water supply is ensured, and the risk of equipment shutdown or production interruption caused by water supply interruption is reduced.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the double-water-source automatic switching circulating water device, which can reduce the water consumption of tap water, can be recycled and can reduce the running cost.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a double water source automatic switch-over circulating water device, includes water-cooling motor, river preliminary treatment case and water tank, connect on the river preliminary treatment case and be equipped with river and quote the pipeline, be connected between river preliminary treatment case and the water tank and be equipped with the ball valve, be equipped with mechanical ball valve on the water tank, mechanical ball valve end connection is equipped with electromagnetic control valve, the water outlet end connection of water tank is equipped with the pressurization pump package, the water outlet end of pressurization pump package is equipped with total water supply pipeline with water-cooling motor's water tank connection, connect gradually on the total water supply pipeline and be equipped with check valve, pressure transmitter, Y type filter, proportion regulating valve, still be connected on the water-cooling motor and be equipped with motor cooling water return pipe, be equipped with the return water house steward on the water tank, be connected between return water house steward and the motor cooling water return pipe and be equipped with multiunit control ball valve.

As an improvement, a water tank bottom valve is arranged on one side of the bottom of the water tank, an overflow pipe is connected to the top end of the water tank, and the overflow pipe is communicated with the water outlet end of the water tank bottom valve.

As an improvement, the pressurizing pump set comprises a first pump, a second pump and a third pump.

As an improvement, a temperature probe is connected to the motor cooling water return pipe.

As an improvement, a pump shaft cooling water supply main pipe and a motor cooling water supply branch pipe are further connected and arranged between the Y-shaped filter and the proportional regulating valve on the main water supply pipeline.

As an improvement, the river water reference pipeline is connected with an electromagnetic valve.

Compared with the prior art, the utility model has the advantages that: in the application, the pretreatment of river water is completed by matching the river water pretreatment box with the water tank, sundries, plastic fibers, river grass, sediment and the like in the river water are intercepted, clear water after interception flows into the water tank for use, meanwhile, the proportion of tap water and river water is allocated for use by matching the structures of each valve body, the proportion regulating valve and the like in the application,

drawings

FIG. 1 is a schematic diagram of a dual water source automatic switching circulating water apparatus.

As shown in the figure: 1. river water referencing pipelines; 2. an electromagnetic valve; 3. a river water pretreatment tank; 4. a bracket; 5. a ball valve; 6. an electromagnetic control valve; 7. a mechanical float valve; 8. a water tank; 9. an overflow pipe; 10. a tank bottom valve; 11. a pressurized pump group; 11.1, pump one; 11.2, pump two; 11.3, pump III; 12. a pressure transmitter; 13. a check valve; 14. a Y-type filter; 15. a main water supply pipe; 16. a pump shaft cooling water supply main pipe; 17. a motor cooling water supply branch pipe; 18. a temperature probe; 19. a motor cooling water return pipe; 20. a water-cooled motor; 21. a proportional control valve; 22. controlling a ball valve; 23. and (5) a water return main pipe.

Detailed Description

Specific embodiments of the present utility model will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals.

It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly connected to one of ordinary skill in the art to which this utility model belongs, and the knowledge of terms used in the description of this utility model herein for the purpose of describing particular embodiments is not intended to limit the utility model, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In order to make the contents of the present utility model more clearly understood, the technical solutions in 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.

Referring to fig. 1, the dual-water source automatic switching circulating water device comprises a water cooling motor 20, a river pretreatment tank 3 and a water tank 8, wherein the river pretreatment tank 3 is used for cleaning impurities in water, a river referencing pipe 1 is connected to the river pretreatment tank 3 and used for guiding river, an electromagnetic valve 2 is connected to the river referencing pipe 1, a mechanical float valve 7 is arranged on the water tank 8, an electromagnetic control valve 6 is connected to the end part of the mechanical float valve 7, a pressurizing pump set 11 is connected to the water outlet end of the water tank 8, and the pressurizing pump set 11 comprises a first pump 11.1, a second pump 11.2 and a third pump 11.3.

Wherein the water tank can be set to be six m < 3 >, and the overflow pipe is matched with the bottom valve of the water tank to carry out overflow discharge.

The water outlet end of the pressurizing pump set 11 is connected with a water tank 8 of a water cooling motor 20 to form a main water supply pipeline 15, a check valve 13, a pressure transmitter 12, a Y-shaped filter 14 and a proportion regulating valve 21 are sequentially connected with the main water supply pipeline 15, a pump shaft cooling water supply main pipe 16 and a motor cooling water supply branch pipe 17 are further connected between the Y-shaped filter 14 and the proportion regulating valve 21 on the main water supply pipeline 15, a motor cooling water return pipe 19 is further connected with the water cooling motor 20, a return water main pipe 23 is arranged on the water tank 8, a plurality of groups of control ball valves 22 are connected between the return water main pipe 23 and the motor cooling water return pipe 19, and the control ball valves 22 are used for collecting return water of each motor to the main water return pipe and can be connected and arranged on a plurality of water cooling motors.

Wherein, be connected between river preliminary treatment case 3 and the water tank 8 and be equipped with ball valve 5, water tank 8 bottom one side is equipped with water tank bottom valve 10, the connection of water tank 8 top is equipped with overflow pipe 9, overflow pipe 9 and the play water end intercommunication setting of water tank bottom valve 10 are equipped with temperature probe 18 on the motor cooling water return pipe 19.

Tap water and river water pipelines are led into the water tank, the river water is filtered and treated by the front water tank, and the front water tank is used for intercepting sundries, plastic fibers, river grass, sediment and the like in the river water, and clear water after interception flows into the water tank; tap water is used preferentially at present, and river water is reserved for later use; if municipal tap water pressure is lower than 0.2mpa, the water supply is switched to river water supply, after water flows into the water tank, the water is pressurized to the water-cooled motor water tank through a pump set constant-pressure water supply mode, the water inlet of each motor is provided with an electromagnetic valve for controlling the opening and the closing, the electromagnetic valve of the water inlet motor water tank is firstly required to be opened, then the pressurizing pump is started, pressurized water flows out through the outlet of the motor water tank after flowing into the motor water tank, the temperature probe is arranged at the outlet, the temperature is higher than 80 ℃ and the second pressurizing pump is automatically started, the flow rate of circulating water is accelerated by the second pump, and the temperature of the motor water tank is reduced.

What is not described in detail in this specification is prior art known to those skilled in the art.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional modes in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the utility model belongs to the prior art known to the person skilled in the art.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (6)

1. Double water source automatic switch-over circulating water device, including water-cooled motor (20), river preliminary treatment case (3) and water tank (8), its characterized in that: the utility model provides a river preliminary treatment case (3) are gone up to connect and are equipped with river and quote pipeline (1), connect between river preliminary treatment case (3) and water tank (8) and be equipped with ball valve (5), be equipped with mechanical ball valve (7) on water tank (8), mechanical ball valve (7) end connection is equipped with electromagnetic control valve (6), the play water end connection of water tank (8) is equipped with pressurization pump package (11), the play water end of pressurization pump package (11) is connected with water tank (8) of water-cooling motor (20) and is equipped with total water supply pipeline (15), connect gradually on total water supply pipeline (15) and be equipped with check valve (13), pressure transmitter (12), Y type filter (14), proportional control valve (21), still connect on water-cooling motor (20) and be equipped with motor cooling water return pipe (19), be equipped with on water tank (8) house steward (23), be equipped with multiunit control between ball valve return water return pipe (23) and motor cooling water return pipe (19).

2. The dual water source automatic switching circulating water apparatus of claim 1, wherein: the water tank is characterized in that a water tank bottom valve (10) is arranged on one side of the bottom of the water tank (8), an overflow pipe (9) is connected to the top end of the water tank (8), and the overflow pipe (9) is communicated with the water outlet end of the water tank bottom valve (10).

3. The dual water source automatic switching circulating water apparatus of claim 1, wherein: the pressurizing pump set (11) comprises a first pump (11.1), a second pump (11.2) and a third pump (11.3).

4. The dual water source automatic switching circulating water apparatus of claim 1, wherein: and a temperature probe (18) is connected to the motor cooling water return pipe (19).

5. The dual water source automatic switching circulating water apparatus of claim 1, wherein: and a pump shaft cooling water supply main pipe (16) and a motor cooling water supply branch pipe (17) are further connected between the Y-shaped filter (14) and the proportional regulating valve (21) on the main water supply pipeline (15).

6. The dual water source automatic switching circulating water apparatus of claim 1, wherein: an electromagnetic valve (2) is connected to the river water reference pipeline (1).