CN219569056U - Technical water supply system of reservoir water intake pump station - Google Patents

Abstract

The utility model relates to the technical field of water supply pipelines, in particular to a technical water supply system of a reservoir water intake pump station, which comprises a first water supply subsystem and a second water supply subsystem, wherein a first water source, an upper guide bearing cooling and lubricating pipeline and a lower guide bearing cooling and lubricating pipeline on a pump set are connected into the first water supply subsystem, a second water source is connected into the second water supply subsystem, the second water supply subsystem is communicated with an inlet of a guide bearing main shaft sealing and lubricating pipeline on the pump set, and an outlet of the guide bearing main shaft sealing and lubricating pipeline is communicated with a flow passage on the pump set. The technical water supply system separates cooling and lubricating water of the upper guide bearing and the lower guide bearing of the pump set motor from sealing and lubricating water of the water pump guide bearing and the main shaft, and water is supplied by two independent first water sources and second water sources respectively, so that after the capacity of the reservoir water intake pump station is expanded, the water supply amount of the technical water supply system can still keep up with the technical water supply amount required by maintaining the normal operation of the pump set, and the safe operation of the reservoir water intake pump station is ensured.

Description

Technical water supply system of reservoir water intake pump station

Technical Field

The utility model relates to the technical field of water supply pipelines, in particular to a technical water supply system of a reservoir water intake pump station.

Background

The water intake pump station of reservoir, also known as primary pump station, water intake pump station, mainly comprises water intake head, gravity water intake steel pipe, water intake pool, water intake runner, water intake pump, water outlet runner, water outlet pool etc. and adopts the operation mode of pump gate combination to carry water from the water source to the reservoir. Wherein, the pump group part mainly has the functions of water rush between salt peaks in the salt tide and water intake in a period when the sluice is not suitable to operate. The technical water supply system in the pump set supplies water for cooling, lubricating and the like to the pump set through the circulating water tank storing municipal tap water during the starting and running of the pump set so as to ensure the normal running of the pump set.

When the water intake pump station of the reservoir needs to expand in order to meet the water delivery requirement, the technical water supply amount required by maintaining the normal operation of the pump set is correspondingly increased, and if the original technical water supply system is still adopted, the phenomenon that the water loss amount is large due to the sealing of the main shaft in the pump set and the water supplementing is insufficient, so that the water amount of the circulating water tank is insufficient, and the pump set cannot normally operate can be caused.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a technical water supply system of a reservoir water intake pump station, which can enable the pump set to normally operate after the capacity of the reservoir water intake pump station is expanded.

The utility model adopts the following technical scheme:

the utility model provides a technical water supply system of a reservoir water intake pump station, which comprises a first water supply subsystem and a second water supply subsystem, wherein a first water source, an upper guide bearing cooling lubrication pipeline and a lower guide bearing cooling lubrication pipeline on a pump set are connected into the first water supply subsystem, a second water source is connected into the second water supply subsystem, the second water supply subsystem is communicated with an inlet of a guide bearing main shaft sealing lubrication pipeline on the pump set, and an outlet of the guide bearing main shaft sealing lubrication pipeline is communicated with a runner on the pump set.

Preferably, the upper guide bearing cooling and lubricating pipeline and the lower guide bearing cooling and lubricating pipeline are connected into the first water supply subsystem in parallel.

Preferably, the first water source is municipal tap water, the first water supply subsystem comprises a circulating water tank and a water supply pump, the first water source is communicated with the circulating water tank, the circulating water tank is communicated with an inlet of the water supply pump, an outlet of the water supply pump is simultaneously communicated with an inlet of an upper guide bearing cooling and lubricating pipeline and an inlet of a lower guide bearing cooling and lubricating pipeline, and an outlet of the upper guide bearing cooling and lubricating pipeline and an outlet of the lower guide bearing cooling and lubricating pipeline are both communicated with the circulating water tank.

Preferably, the top and bottom positions of the circulating water tank are respectively provided with an overflow pipe and a blow-down pipe, the overflow pipe and the blow-down pipe are both communicated with the water collecting well, and the blow-down pipe is provided with a valve for controlling the self-opening and the closing.

Preferably, an ultrasonic water level gauge is arranged in the circulating water tank.

Preferably, the first water supply subsystem further comprises a bearing bush cooler, wherein the outlet of the upper guide bearing cooling and lubricating pipeline and the outlet of the lower guide bearing cooling and lubricating pipeline are connected into the bearing bush cooler, and the bearing bush cooler is communicated with the circulating water pool.

Preferably, the second water source is a reservoir, the second water supply subsystem comprises a water taking pump and a water filter, the inlet of the water taking pump is connected with the second water source, the outlet of the water taking pump is communicated with the inlet of the water filter, the outlet of the water filter is communicated with the inlet of the guide bearing spindle sealing lubrication pipeline, and the water outlet of the water filter is connected with the second water source.

Preferably, the inlet of the water intake pump is sleeved with a filter screen.

Preferably, a pressure vacuum gauge is arranged between the second water source and the water taking pump.

Preferably, a flow indicator is arranged between the water filter and the guide bearing spindle sealing lubrication pipeline.

Compared with the prior art, the utility model has the beneficial effects that:

the technical water supply system of the reservoir water intake pump station separates the cooling and lubricating water of the upper guide bearing and the lower guide bearing of the pump unit motor from the sealing and lubricating water of the water pump guide bearing and the main shaft, and supplies water by the two independent first water sources and the second water sources respectively, so that after the reservoir water intake pump station expands, the water supply amount of the technical water supply system can still keep up with the technical water supply amount required by maintaining the normal operation of the pump unit, and the safe operation of the reservoir water intake pump station is ensured.

Drawings

FIG. 1 is a pipeline structure diagram of a technical water supply system of a reservoir water intake pump station in an embodiment of the utility model.

Wherein reference numerals are as follows:

1. first water supply subsystem 21, water intake pump

11. Circulating water tank 22 and water filter

12. Water supply pump 3, pump group

13. Overflow pipe 4, first water source

14. Blow-down pipe 5, second water source

15. Bearing bush cooler 6 and water collecting well

2. Second water supply subsystem

Detailed Description

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present utility model and are not intended to be limiting.

In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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 can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

FIG. 1 shows an embodiment of a technical water supply system of a reservoir water intake pump station according to the present utility model. The upper guide bearing cooling and lubricating pipeline, the lower guide bearing cooling and lubricating pipeline, the guide bearing main shaft sealing and lubricating pipeline and the runner are all internal pipelines which are arranged on the pump set 3 of the water intake pump station of the existing reservoir.

Referring to fig. 1, the technical water supply system of the reservoir water intake pump station of the embodiment comprises a first water supply subsystem 1 and a second water supply subsystem 2, wherein a first water source 4 and an upper guide bearing cooling lubrication pipeline and a lower guide bearing cooling lubrication pipeline on a pump set 3 are connected into the first water supply subsystem 1, a second water source 5 is connected into the second water supply subsystem 2, the second water supply subsystem 2 is communicated with an inlet of a guide bearing main shaft sealing lubrication pipeline on the pump set 3, and an outlet of the guide bearing main shaft sealing lubrication pipeline is communicated with a flow passage on the pump set 3.

Specifically, the water of the first water source 4 flows into the upper guide bearing cooling and lubricating pipeline and the lower guide bearing cooling and lubricating pipeline and then reenters the pipeline of the first water supply system 1 for circulation, and the upper guide bearing in the upper guide bearing cooling and lubricating pipeline and the lower guide bearing in the lower guide bearing cooling and lubricating pipeline are used for realizing the water requirement of cooling and lubricating; and the water of the second water source 5 flows out along with the wastewater generated by the pump group 3 from the runner after flowing into the guide bearing main shaft sealing lubrication pipeline, and the guide bearing and the main shaft in the guide bearing main shaft sealing lubrication pipeline are used for realizing the water requirement of sealing and lubrication.

The technical water supply system of the reservoir water intake pump station of the embodiment separates the cooling and lubricating water of the upper guide bearing and the lower guide bearing of the motor of the pump set 3 from the sealing and lubricating water of the water pump guide bearing and the main shaft, and supplies water by the two independent first water sources 4 and the second water sources 5 respectively, so that after the capacity of the reservoir water intake pump station is expanded, the water supply amount of the technical water supply system can still keep up with the technical water supply amount required by maintaining the normal operation of the pump set 3, and the safe operation of the reservoir water intake pump station is ensured.

Preferably, the upper guide bearing cooling and lubricating pipeline and the lower guide bearing cooling and lubricating pipeline are connected into the first water supply subsystem 1 in parallel. Based on this, the water output by the first water source 4 can flow into the upper guide bearing cooling and lubricating pipeline and the lower guide bearing cooling and lubricating pipeline at the same temperature, so that the upper guide bearing and the lower guide bearing can obtain better cooling effect.

Preferably, referring to fig. 1, the first water source 4 is municipal tap water, the first water supply subsystem 1 comprises a circulating water tank 11 and a water supply pump 12, the first water source 4 is communicated with the circulating water tank 11, the circulating water tank 11 is communicated with an inlet of the water supply pump 12, an outlet of the water supply pump 12 is simultaneously communicated with an inlet of an upper guide bearing cooling and lubricating pipeline and an inlet of a lower guide bearing cooling and lubricating pipeline, and an outlet of the upper guide bearing cooling and lubricating pipeline and an outlet of the lower guide bearing cooling and lubricating pipeline are both communicated with the circulating water tank 11.

Municipal tap water is pumped into the circulating water tank 11, the water supply pump 12 pumps water from the circulating water tank 11 and then conveys the water into the upper guide bearing cooling and lubricating pipeline and the lower guide bearing cooling and lubricating pipeline, and then the water is refluxed into the circulating water tank 11 again, and the reflux is realized in a self-flowing mode.

The municipal tap water is used as the first water source 4, so that the water quality can be ensured, and the internal pollution of the circulating water tank 11 is prevented, so that the circulating water tank 11 needs to be cleaned frequently; the arrangement of the circulating water tank 11 can recycle water, reduce water supply cost, and can meet the normal operation of the guide bearing cooling and lubricating pipeline and the lower guide bearing cooling and lubricating pipeline after municipal tap water is temporarily stopped.

Preferably, in the present embodiment, a gate valve, an electromagnetic flowmeter and a butterfly valve are provided between the first water source 4 and the circulating water reservoir 11. The gate valve can control the opening and closing of the first water source 4, and the first water source 4 does not need to be continuously opened due to the existence of the circulating water tank 11, and only needs to be periodically replenished with water in the circulating water tank 11, so that the water supply cost is reduced; the electromagnetic flowmeter can intuitively monitor the flow of the water supplied by the first water source 4 to the circulating water tank 11, so that the failure of the gate valve can not be found in time; the butterfly valve is used as a safety, and after the gate valve fails, the on-off between the first water source 4 and the circulating water pool 11 can still be controlled.

Further, in the present embodiment, a normally closed valve is provided between the first water source 4 and the circulating water tank 11, and the normally closed valve is connected in parallel to the gate valve and the pipe section where the electromagnetic flowmeter is located. When the gate valve fails and needs to be replaced, the normally closed valve can be opened temporarily, and the water supplementing of the first water source 4 to the circulating water tank 11 is not affected during the replacement of the gate valve.

Preferably, in this embodiment, the inlet and outlet of the water supply pump 12 are provided with a pressure gauge and a pressure sensor, and a stopcock for a meter is further provided between the inlet and outlet of the water supply pump 12 and the pressure gauge and the pressure sensor, so as to monitor the pressure value at the inlet and outlet of the water supply pump 12 in time.

Further, in the present embodiment, the outlet of the water supply pump 12 is connected to the inlet of the upper guide bearing cooling lubrication line and the inlet of the lower guide bearing cooling lubrication line after connecting the gate valve, the electromagnetic flowmeter, the butterfly valve, the ball valve, the pressure gauge, and the pressure sensor. The electromagnetic flowmeter and the pressure gauge are respectively used for measuring the flow and the pressure of the outlet of the water supply pump 12, and the arrangement of the gate valve, the butterfly valve and the ball valve is used as a multi-channel on-off insurance, so that on-off control between the water supply pump 12 and the upper guide bearing cooling and lubricating pipeline and between the water supply pump 12 and the lower guide bearing cooling and lubricating pipeline is ensured.

Specifically, in this embodiment, the outlet of the upper guide bearing cooling lubrication line and the outlet of the lower guide bearing cooling lubrication line are both provided with a thermometer, a temperature sensor, a flow indicator, and a ball valve. The purpose of the arrangement of the above components is the same as that of the conventional pipeline in the prior art, and will not be described herein.

Preferably, referring to fig. 1, the top and bottom positions of the circulating water tank 11 are respectively provided with an overflow pipe 13 and a blow-down pipe 14, the overflow pipe 13 and the blow-down pipe 14 are both communicated with the water collecting well 6, and the blow-down pipe 14 is provided with a valve for controlling the opening and closing of the valve. The overflow pipe 13 can provide overflow when the water level of the circulating water tank 11 is too high, so that the circulating water tank 11 is prevented from being expanded and deformed due to excessive accumulated water in the circulating water tank; the emptying pipe 14 can empty the circulating water tank 11 so as to clean and maintain the inside of the circulating water tank 11.

Preferably, in the present embodiment, the overflow pipe 13 and the blow-down pipe 14 are provided with reducing pipes at the positions where they communicate with the circulating water tank 11.

Preferably, an ultrasonic water level gauge is provided in the circulation tank 11 to monitor the water level in the circulation tank 11 in real time.

Specifically, in the present embodiment, five water levels are divided in the circulation tank 11: the ultrasonic water level meter can provide water level monitoring, and when the water level is positioned at the high water level, the high water level alarm of the ultrasonic water level meter is triggered; when the water level is at the stop water replenishing water level, the ultrasonic water level gauge is in signal connection with the butterfly valve through the controller, the butterfly valve is controlled by the controller to be closed, and the water replenishing of the first water source 4 to the circulating water tank 11 is blocked; when the water level is at the water supplementing water level, the controller controls the butterfly valve to be opened so that the first water source 4 supplements water into the circulating water tank 11; when the water level is at a low water level, triggering a low water level alarm of an ultrasonic water level meter, and controlling the pump set 3 to be shut down by a controller; when the water level is at the ultra low water level, the controller controls the water supply pump 12 to be turned off.

Preferably, referring to fig. 1, the first water supply subsystem 1 further includes a bush cooler 15, and an outlet of the upper guide bearing cooling lubrication pipeline and an outlet of the lower guide bearing cooling lubrication pipeline are connected to the bush cooler 15, and the bush cooler 15 is communicated with the circulating water tank 11. The circulating water of the first water supply subsystem 1 is cooled by the bearing bush cooler 15 before flowing back into the circulating water tank 11, so that the water in the circulating water tank 11 is guaranteed to have a low temperature, and the cooling effect of the first water supply subsystem 1 on the upper guide bearing cooling and lubricating pipeline and the lower guide bearing cooling and lubricating pipeline is guaranteed.

Preferably, in this embodiment, one end of the bush cooler 15, which is close to the circulating water tank 11, is connected with a thermometer, a temperature sensor, a pressure gauge, a pressure sensor and a gate valve, and one end of the bush cooler 15, which is far away from the circulating water tank 11, is connected with a pressure gauge, a pressure sensor, a thermometer, a temperature sensor, an exhaust valve, a gate valve and an electromagnetic flowmeter. Thus, the temperature, pressure, flow rate, exhaust and on-off of the position of the bush cooler 15 can be realized by the pipeline components independently or cooperatively.

Since the temperature of the circulating water in the first water supply subsystem 1 varies, in order to prevent the pipeline from being broken due to expansion with heat and contraction with cold, a plurality of expansion joints are provided in the pipeline of the first water supply subsystem 1 to buffer the pressure of the pipeline.

Preferably, referring to fig. 1, the second water source 5 is a reservoir, the second water supply subsystem 2 includes a water intake pump 21 and a water filter 22, an inlet of the water intake pump 21 is connected to the second water source 5, an outlet of the water intake pump 21 is connected to an inlet of the water filter 22, an outlet of the water filter 22 is connected to an inlet of a guide bearing spindle seal lubrication pipeline, and a water outlet of the water filter 22 is connected to the second water source 5.

Because the impurity in the reservoir is more, the water of the second water source 5 is filtered through the water filter 22 after being pumped by the water taking pump 21, and then enters the guide bearing main shaft sealing lubrication pipeline to participate in sealing lubrication, thereby being beneficial to ensuring the normal operation of the guide bearing main shaft sealing lubrication pipeline.

Preferably, in the present embodiment, a pressure gauge, a pressure sensor, a plug valve for a meter, and a butterfly valve are disposed on a pipeline connected to the water intake pump 21 and the water filter 22, so as to realize pressure monitoring and on-off control of the pipeline.

Further, in this embodiment, a gate valve, an electromagnetic flowmeter, a thermometer and a temperature sensor are arranged between the water filter 22 and the guide bearing spindle sealing lubrication pipeline to realize on-off control, flow and temperature monitoring of the section of pipeline.

Preferably, a filter screen is sleeved at the inlet of the water taking pump 21. The filter screen can provide protection for the water taking pump 21, and prevent the inlet of the water taking pump 21 from being blocked due to sundries inhalation.

Preferably, a pressure vacuum gauge is provided between the second water source 5 and the water intake pump 21 to monitor the pressure of the length of tubing in real time.

Preferably, a flow indicator is provided between the water filter 22 and the guide bearing spindle seal lubrication line to monitor the flow of the line segment.

In the guide bearing spindle seal lubrication line, the consumption of seal water is small, and ten minutes after the water pump 21 is turned on, the seal water passage in the guide bearing spindle seal lubrication line may be shut off, and only the water pump 21 may be used as the lubrication water supply.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims (10)

1. The utility model provides a technical water supply system of reservoir water intaking pump station, its characterized in that includes first water supply subsystem (1) and second water supply subsystem (2), go up guide bearing cooling lubrication pipeline, the lower guide bearing cooling lubrication pipeline on first water source (4) and pump group (3) have been inserted in first water supply subsystem (1), second water source (5) have been inserted in second water supply subsystem (2), just second water supply subsystem (2) with the import intercommunication of guide bearing main shaft seal lubrication pipeline on pump group (3), the export of guide bearing main shaft seal lubrication pipeline with runner intercommunication on pump group (3).

2. A technical water supply system for a reservoir intake pump station according to claim 1, characterized in that the upper guide bearing cooling lubrication line and the lower guide bearing cooling lubrication line are connected in parallel to the first water supply subsystem (1).

3. The technical water supply system of a reservoir water intake pump station according to claim 2, wherein the first water source (4) is municipal tap water, the first water supply subsystem (1) comprises a circulating water tank (11) and a water supply pump (12), the first water source (4) is communicated with the circulating water tank (11), the circulating water tank (11) is communicated with an inlet of the water supply pump (12), an outlet of the water supply pump (12) is simultaneously communicated with an inlet of the upper guide bearing cooling lubrication pipeline and an inlet of the lower guide bearing cooling lubrication pipeline, and an outlet of the upper guide bearing cooling lubrication pipeline and an outlet of the lower guide bearing cooling lubrication pipeline are both communicated with the circulating water tank (11).

4. A technical water supply system of a reservoir water intake pump station according to claim 3, characterized in that the top and bottom positions of the circulating water tank (11) are respectively provided with an overflow pipe (13) and a blow-down pipe (14), the overflow pipe (13) and the blow-down pipe (14) are both communicated with the water collecting well (6), and the blow-down pipe (14) is provided with a valve for controlling the opening and closing of the valve.

5. A technical water supply system for a reservoir water intake pump station according to claim 3, characterized in that an ultrasonic water level gauge is arranged in the circulating water tank (11).

6. A technical water supply system for a reservoir intake pump station according to claim 3, wherein the first water supply subsystem (1) further comprises a bush cooler (15), the outlet of the upper guide bearing cooling lubrication pipeline and the outlet of the lower guide bearing cooling lubrication pipeline are both connected into the bush cooler (15), and the bush cooler (15) is communicated with the circulating water tank (11).

7. The technical water supply system of a reservoir water intake pump station according to claim 1, wherein the second water source (5) is a reservoir, the second water supply subsystem (2) comprises a water intake pump (21) and a water filter (22), the inlet of the water intake pump (21) is connected to the second water source (5), the outlet of the water intake pump (21) is communicated with the inlet of the water filter (22), the outlet of the water filter (22) is communicated with the inlet of the guide bearing spindle sealing lubrication pipeline, and the water outlet of the water filter (22) is connected to the second water source (5).

8. Technical water supply system for a reservoir water intake pump station according to claim 7, characterized in that the inlet of the water intake pump (21) is sleeved with a filter screen.

9. Technical water supply system for a reservoir intake pump station according to claim 7, characterized in that a pressure vacuum gauge is arranged between the second water source (5) and the intake pump (21).

10. The technical water supply system of a reservoir intake pump station according to claim 7, wherein a flow indicator is arranged between the water filter and the guide bearing spindle seal lubrication pipeline.