Water supply end and water return end pipeline of PCW circulating cooling water control system

Abstract

The utility model relates to the technical field of PCW systems, and discloses a PCW circulating cooling water control system water supply end and water return end pipeline which comprises a water supply main pipeline, a water return main pipeline and a first branch pipeline, one end of the first branch pipeline is connected with the water supply main pipeline, and the other end of the first branch pipeline is connected with the water return main pipeline. A first valve is arranged between the water supply main pipeline and the first branch pipeline, a plurality of pressurizing branch pipelines which are connected in parallel and used for pressurizing cooling water are arranged between the water supply main pipeline and the first branch pipeline, and the ends, connected in parallel, of the pressurizing branch pipelines are connected with the water supply main pipeline and located between the water supply main pipeline and the first valve; the other ends are connected with the water supply main pipeline after being converged in parallel and are positioned between the first valve and the first branch pipeline. The cooling system can accelerate the circulation speed of cooling water, improve the circulation volume of the cooling water, ensure effective cooling and heat dissipation of all equipment, and improve the cooling and heat dissipation capability of the system to the equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCW system technical field, concretely relates to PCW circulating cooling water control system water supply end and return water end pipeline. BACKGROUND

[0002] PCW circulating cooling water control system is used for controlling the equipment cooling heat dissipation in industrial production in process cooling water (PCW) circulation flow, in the industrial production process, the equipment quantity continues to increase, and the equipment quantity that needs cooling is also increasing, and the heat dissipation capacity of the original PCW circulating cooling water control system cannot satisfy the cooling demand of all equipment currently, under the condition that the original PCW circulating cooling water control system is not adjusted, the effective cooling heat dissipation to the existing equipment is also met, and the PCW circulating cooling water control system water supply end and return water end pipeline that can improve the cooling heat dissipation capacity of PCW circulating cooling water control system are urgently needed. SUMMARY

[0003] In order to overcome the insufficient of prior art, the utility model discloses PCW circulating cooling water control system water supply end and return water end pipeline, can accelerate the circulating speed of cooling water, improve the circulating amount of cooling water, ensure that all equipment are effectively cooled and heat dissipated, improve the cooling heat dissipation capacity of system to equipment.

[0004] The utility model employs the technical scheme as follows: PCW circulating cooling water control system water supply end and return water end pipeline, including water supply main pipe, return water main pipe, first branch pipe, one end of first branch pipe is connected with water supply main pipe, and the other end is connected with return water main pipe, be equipped with first valve between water supply main pipe and first branch pipe, be equipped with multiple parallel for cooling water pressurization pressurization branch pipe between water supply main pipe and first branch pipe, multiple pressurization branch pipe parallel one end is connected with water supply main pipe, and is located between water supply main pipe and first valve, and the other end is connected with water supply main pipe after parallel convergence, and is located between first valve and first branch pipe.

[0005] Explanation: the temperature of cooling water is low when flowing from water supply main pipe inlet, is used for equipment cooling heat dissipation, and the temperature of cooling water is high when flowing from return water main pipe outlet after flowing to return water main pipe for equipment cooling heat dissipation by first branch pipe.

[0006] Principle of technical scheme:

[0007] The first valve is closed, cooling water flows in from the water inlet end of the water supply main pipeline, passes through a plurality of parallel pressurized branch pipelines, and then flows out from the water outlet end of the water return main pipeline, and the cooling water flows according to the above circulation.

[0008] Compared with the prior art, the utility model has the beneficial effects that:

[0009] The utility model discloses a plurality of parallel pressurized branch pipelines can be changed on the original system, the adjustment range is small, the circulation speed of cooling water can be accelerated, the circulation amount of cooling water can be improved, that is, the flow of cooling water is improved, all the equipment is ensured effective cooling and heat dissipation, and the cooling and heat dissipation capacity of the system on the equipment is improved.

[0010] As the preferred embodiment of the utility model, the second valve, the water pump and the third valve are sequentially arranged on each pressurized branch pipeline.

[0011] Beneficial effects: a plurality of parallel pressurized branch pipelines, and the second valve, the water pump and the third valve are sequentially arranged on each pressurized branch pipeline, the flow of cooling water can be adjusted according to actual demands, different numbers of water pumps can be opened or closed, when a certain water pump fails, other water pumps can still work, the reliability of the system can be improved, maintenance or repair can be facilitated, and the water pumps can be closed one by one without affecting the operation of the whole system.

[0012] As the preferred embodiment of the utility model, the second branch pipeline connected with the water supply main pipeline is connected after the plurality of pressurized branch pipelines are connected in parallel, the second branch pipeline is located between the first valve and the first branch pipeline, the first pressure difference meter is arranged between the water supply main pipeline and the water return main pipeline, and one end of the first pressure difference meter connected with the water supply main pipeline is located between the second branch pipeline and the first branch pipeline.

[0013] Beneficial effects: the first pressure difference meter can facilitate the system to obtain the flow information of cooling water in the water supply main pipeline and the water return main pipeline through the first pressure difference meter, and then control the number of water pumps to be opened.

[0014] As the preferred embodiment of the utility model, the second pressure difference meter is arranged between the water supply main pipeline and the water return main pipeline, and one end of the second pressure difference meter connected with the water supply main pipeline is located between the second branch pipeline and the first branch pipeline.

[0015] Beneficial effects: two differential pressure gauges are designed, when one differential pressure gauge cannot be used, the other differential pressure gauge can continue to be used, the differential pressure gauge can ensure that the flow information of the cooling water for the system stability is always provided, the system calculation cooling capacity is always accurate, and the system stable operation is ensured.

[0016] As the preferred embodiment of the utility model, the first pressure sensor is arranged on the water supply main pipeline, and the second pressure sensor is arranged on the return water main pipeline.

[0017] Beneficial effects: the specific pressure condition of each pipeline can be conveniently and timely understood, and meter reading is facilitated.

[0018] As the preferred embodiment of the utility model, the flow measuring element is arranged between the second branch pipeline and the first branch pipeline.

[0019] Beneficial effects: the flow of the cooling water flowing into the first branch pipeline can be assisted to be measured.

[0020] As the preferred embodiment of the utility model, the third pressure sensor is arranged on each pressurizing branch pipeline at the water inlet end and the water outlet end.

[0021] Beneficial effects: the third pressure sensor can monitor the pressure of the cooling water before entering the water pump and after coming out of the water pump, so as to assist in judging whether each pressurizing branch pipeline normally operates.

[0022] As the preferred embodiment of the utility model, the water supply extension pipeline is connected to one end of the water supply main pipeline and the first branch pipeline, the return water extension pipeline is connected to one end of the return water main pipeline and the first branch pipeline, the water supply extension pipeline and the return water extension pipeline are connected, and the fourth valve is arranged between the water supply extension pipeline and the return water extension pipeline.

[0023] Beneficial effects: in the scheme, the second valve and the third valve on the pressurizing branch pipeline are closed, the first valve and the fourth valve are opened, the water supply main pipeline and the return water main pipeline can be flushed, various impurities, such as scale and deposits, accumulated in the water supply main pipeline and the return water main pipeline in the use process are removed, the effective flow of the cooling water is ensured, the performance of the system is restored, the blockage is prevented, and the service life of the pipeline is prolonged.

[0024] As the preferred embodiment of the utility model, the third branch pipeline is arranged on the water inlet end of the water supply main pipeline and the water outlet end of the return water main pipeline respectively, and the fifth valve is arranged on the third branch pipeline.

[0025] Beneficial effects: the third branch pipeline and the fifth valve cooperate, so that the water can be conveniently drained, used or taken, and the water taken is used for checking the water quality. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a schematic view of the water supply end and the water return end pipeline of the PCW circulating cooling water control system. DETAILED DESCRIPTION

[0027] The typical embodiments embodying the features and advantages of the present application will be described in detail in the following description. It should be understood that the present application can have various changes on different embodiments, which do not deviate from the scope of the present application, and the description and drawings in the essence are used as a description, not to limit the present application.

[0028] In the description of the present application, the terms "first", "second", "one side" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the structure indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0029] The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0030] The reference signs include: water supply main pipeline 1, water return main pipeline 2, first branch pipeline 3, first valve 4, second valve 5, water pump 6, third valve 7, second branch pipeline 8, first differential pressure meter 9, second differential pressure meter 10, first pressure sensor 11, second pressure sensor 12, flow measuring element 13, third pressure sensor 14, fourth valve 15, third branch pipeline 16, fifth valve 17.

[0031] The PCW circulating cooling water control system water supply end and water return end pipeline, as shown in Figure 1 Fig. 1, includes a water supply main pipeline 1, a water return main pipeline 2, and a first branch pipeline 3. One end of the first branch pipeline 3 is connected with the water supply main pipeline 1, and the other end is connected with the water return main pipeline 2.

[0032] The water supply main pipeline 1 inlet end is provided with a third branch pipeline 16, and the third branch pipeline 16 is provided with a fifth valve 17. In this embodiment, the fifth valve 17 is a DN32 ball valve. The water supply main pipeline 1 is provided with a temperature sensor, a first pressure sensor 11 and a flow measuring element 13. In this embodiment, the flow measuring element 13 is an ultrasonic flow meter, which needs to be installed in a horizontal pipeline, away from elbows and three-way pipe fittings. The water supply main pipeline 1 and the first branch pipeline 3 are provided with a first valve 4. In this embodiment, the first valve 4 is a 200 butterfly valve. The end of the water supply main pipeline 1 and the first branch pipeline 3 connected with each other is connected with a water supply extension pipeline.

[0033] A plurality of parallel pressurizing branch pipes for pressurizing cooling water are arranged between the water supply main pipe 1 and the first branch pipe 3, and each pressurizing branch pipe is sequentially provided with a third pressure sensor 14, a second valve 5, a water pump 6, a third valve 7, and a third pressure sensor 14. In this embodiment, the second valve 5 is a 150 butterfly valve, and the third valve 7 is a 100 butterfly valve.

[0034] In this embodiment, there are two pressurizing branch pipes, one end of each of the two pressurizing branch pipes is connected with the water supply main pipe 1 and located between the water supply main pipe 1 and the first valve 4, and the other end of each of the two pressurizing branch pipes is connected with the second branch pipe 8 after being parallelly gathered. The second branch pipe 8 is connected with the water supply main pipe 1 and located between the first valve 4 and the first branch pipe 3.

[0035] The water outlet end of the water return main pipe 2 is provided with a third branch pipe 16, the third branch pipe 16 is provided with a fifth valve 17, the water return main pipe 2 is provided with a second pressure sensor 12, in this embodiment, the first pressure sensor 11 and the second pressure sensor 12 are the same type of pressure sensor, the water return main pipe 2 is connected with a water return extension pipe at one end, the water supply extension pipe and the water return extension pipe are connected, and the fourth valve 15 is arranged between the water supply extension pipe and the water return extension pipe, in this embodiment, the fourth valve 15 is a 50 ball valve, and two fourth valves 15 can be arranged between the water supply extension pipe and the water return extension pipe.

[0036] The first pressure difference meter 9 and the second pressure difference meter 10 are arranged between the water supply main pipe 1 and the water return main pipe 2, in this embodiment, the first pressure difference meter 9 and the second pressure difference meter 10 are the same type of pressure difference meter.

[0037] In this embodiment, one end of the first pressure difference meter 9 and the second pressure difference meter 10 connected with the water supply main pipe 1 is respectively located between the second branch pipe 8 and the first branch pipe 3, and the temperature sensor, the first pressure sensor 11, and the flow measuring element 13 are located between the second branch pipe 8 and the first branch pipe 3.

[0038] In this embodiment, one pressurizing branch pipe can be reserved, before formal use, only one end is connected with the water supply main pipe, and a 150 butterfly valve is pre-set, the other end is connected with the second branch pipe 8, and a 100 butterfly valve is pre-set, which can be conveniently used in emergency and quickly provide effective cooling for existing equipment in the case of increasing equipment.

[0039] In the embodiment, when the device is cooled, the first valve 4, the fifth valve 17 and the fourth valve 15 are closed, the cooling water flows out from the water outlet end of the water supply main pipeline 1, flows into the second branch pipeline 8 after passing through two parallel pressurized branch pipelines, and then flows into the first branch pipeline 3, and flows through the device through the first branch pipeline 3 to cool the device, and then flows into the water return main pipeline 2 from the other end of the first branch pipeline 3, and flows out from the water outlet end of the water return main pipeline 2 to be cooled, and the cooling water circulates according to the above steps to cool the device.

[0040] The above embodiment is only a preferred embodiment of the present application, and cannot be used to limit the scope of protection of the present application. Any non-essential changes and replacements made by those skilled in the art on the basis of the present application shall fall within the scope of protection of the present application.

Claims

1. A PCW circulating cooling water control system water supply end and return water end pipeline, comprising a water supply main pipeline, a return water main pipeline, a first branch pipeline, one end of the first branch pipeline is connected with the water supply main pipeline, the other end is connected with the return water main pipeline, a first valve is arranged between the water supply main pipeline and the first branch pipeline, characterized in that: A plurality of pressurizing branch pipes for pressurizing cooling water are arranged in parallel between the water supply main pipe and the first branch pipe, one end of the plurality of pressurizing branch pipes being connected to the water supply main pipe and located between the water supply main pipe and the first valve, the other end being connected to the water supply main pipe in parallel after converging and located between the first valve and the first branch pipe.

2. The PCW cycle cooling water control system feed and return water end piping of claim 1, wherein: A second valve, a water pump and a third valve are arranged in sequence on each of the pressurizing branch pipes.

3. The PCW cycle cooling water control system feed and return water end piping of claim 1, wherein: The plurality of pressurizing branch pipes are connected to a second branch pipe connected to the water supply main pipe after converging in parallel, the second branch pipe being located between the first valve and the first branch pipe, a first differential pressure gauge being arranged between the water supply main pipe and the return water main pipe, one end of the first differential pressure gauge connected to the water supply main pipe being located between the second branch pipe and the first branch pipe.

4. The PCW cycle cooling water control system feed and return water end piping of claim 3, wherein: A second differential pressure gauge is arranged between the water supply main pipe and the return water main pipe, one end of the second differential pressure gauge connected to the water supply main pipe being located between the second branch pipe and the first branch pipe.

5. The PCW cycle cooling water control system feed and return water end piping of claim 3, wherein: A first pressure sensor is arranged on the water supply main pipe, and a second pressure sensor is arranged on the return water main pipe.

6. The PCW cycle cooling water control system feed and return water end piping of claim 3, wherein: A flow measuring element is arranged between the second branch pipe and the first branch pipe.

7. The PCW cycle cooling water control system feed and return water end piping of claim 1, wherein: A third pressure sensor is arranged on the water inlet end and the water outlet end of each of the pressurizing branch pipes.

8. The PCW cycle cooling water control system feed and return water end piping of claim 1, wherein: A water supply extension pipe is connected to one end of the water supply main pipe connected to the first branch pipe, a return water extension pipe is connected to one end of the return water main pipe connected to the first branch pipe, the water supply extension pipe and the return water extension pipe are connected, and a fourth valve is arranged between the water supply extension pipe and the return water extension pipe.

9. The PCW cycle cooling water control system feed and return water end piping of claim 1, wherein: A third branch pipe is arranged on the water inlet end of the water supply main pipe and the water outlet end of the return water main pipe, respectively, and a fifth valve is arranged on the third branch pipe.

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