Cooling water system for eliminating water hammer

Abstract

The utility model discloses a cooling water system for eliminating a water hammer, which comprises a gas-liquid phase buffer tank and a hot water tank, an exhaust port is arranged at the top of the gas-liquid phase buffer tank, an exhaust valve is arranged at the exhaust port, a water outlet is arranged at the bottom of the gas-liquid phase buffer tank, and a water drainage pipe connected with the hot water tank is arranged at the water outlet. A condensate water return pipeline is arranged on one side of the gas-liquid phase buffer tank, a gas-liquid separation channel connected with the condensate water return pipeline is arranged in the gas-liquid phase buffer tank, an anti-fouling cover used for sealing the water outlet is further arranged in the gas-liquid phase buffer tank, and a water through hole is formed in the upper portion or the top of the anti-fouling cover. By arranging the high-position gas-liquid phase buffer tank and the low-position hot water tank, original back pressure caused by high-position difference can be eliminated, and effective utilization of cooling water can be realized; a gas-liquid separation channel, an insertion type pipe section and an anti-fouling cover are arranged in the gas-liquid phase buffer tank, so that particles such as rust and scale in cooling water can be effectively intercepted, and downstream equipment is protected from being influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to synthetic epoxy resin curing agent polyamide resin's production device, especially in kind of eliminating water hammer's cooling water system. BACKGROUND

[0002] The present polyamide resin product needs to be heated to the target temperature for reaction in the production process, and after the highest temperature sample is qualified, the reaction needs to be cooled down, and at the present stage, the cooling is carried out by using the internal coil pipe, and the structure is composed of multiple curved pipelines, and the long pipeline and frequent elbows can increase the flow inertia of fluid. Because the product temperature is high, the cooling water vaporizes too fast in the cooling process, leading to the emergence of two-phase flow (gas-liquid mixture) phenomenon; the two-phase flow is more prone to pressure oscillation when the flow rate changes due to the large density difference, and the water hammer phenomenon is formed. SUMMARY

[0003] The utility model relates to an technical problem that the utility model wants to solve is in view of the prior art's insufficient, provide a kind of cooling water system of eliminating water hammer, which is reasonable in design, simple in structure, and can effectively eliminate water hammer.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A kind of cooling water system of eliminating water hammer, it is characterized in that, the system includes gas-liquid phase buffer tank and hot water tank, gas-liquid phase buffer tank is arranged at high position, and hot water tank is arranged at low position;Gas-liquid phase buffer tank top is equipped with exhaust port, exhaust port is installed with exhaust valve, and gas-liquid phase buffer tank bottom is equipped with drain, and drain is installed with drain pipe connected with hot water tank, and gas-liquid phase buffer tank side is equipped with condensate water return pipeline, and gas-liquid phase buffer tank is equipped with gas-liquid separation channel connected with condensate water return pipeline, and gas-liquid separation channel is vertically arranged, and gas-liquid separation channel bottom is closed, and the top of gas-liquid separation channel is open, and gas-liquid phase buffer tank is also equipped with the dirt-proof cover for closing drain, and the dirt-proof cover upper portion or top is equipped with water hole for connecting gas-liquid phase buffer tank and drain.

[0006] The technical problem to be solved by the utility model can also be realized by the following technical scheme, the drain pipe extends to the top of the gas-liquid phase buffer tank to form an inserted pipe section, the dirt-proof cover is fixed to the top of the inserted pipe section, and the water hole is opposite to the pipe opening of the inserted pipe section, which is designed in an inserted manner and provided with a dirt-proof cover to effectively trap iron rust, scale and other particulate matters in the cooling water, thereby protecting downstream equipment.

[0007] The technical problem to be solved by the utility model can also be realized by the following technical scheme, the water hole is provided with a plurality of water holes, which are uniformly arranged along the circumference of the dirt-proof cover to improve the water outlet efficiency.

[0008] The technical problem solved by the utility model also can be realized through the following technical scheme, the anti-fouling cover is arc cover body or hollow cylindrical cover body.

[0009] The technical problem solved by the utility model also can be realized through the following technical scheme, the height difference between the condensate water return pipeline and the hot water tank is 4-6m, so that the pipeline return water does not need to overcome high difference, fundamentally avoids the water hammer risk.

[0010] The technical problem solved by the utility model also can be realized through the following technical scheme, the exhaust port and exhaust valve are equipped with several, are used as the buffer device of pressure release, can better discharge the vaporization gas in the pipeline, reduces the pipeline water hammer.

[0011] Compared with the prior art, the utility model discloses a high-position gas-liquid phase buffer tank and low-position hot water tank, which can eliminate the back pressure caused by the high difference, collect return water and stably supply to the subsequent process, realize the effective utilization of cooling water, and effectively intercept the particles such as rust and scale in the cooling water by arranging a gas-liquid separation channel, an insertion type pipe section and an anti-fouling cover in the gas-liquid phase buffer tank, so that the downstream equipment is not affected. The cooling water system for eliminating water hammer based on the process control in the polyamide resin reaction process innovatively uses the device and method for cooling, and the effect is relatively efficient and stable since the device is put into use, and the water hammer phenomenon is effectively eliminated. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 The utility model discloses a cooling water system for eliminating water hammer structure diagram.

[0013] In the drawing: 1-gas-liquid phase buffer tank, 2-condensate water return pipe, 3-gas-liquid separation channel, 4-anti-fouling cover, 5-insertion type pipe section, 6-exhaust valve, 7-drain pipe, 8-hot water tank. DETAILED DESCRIPTION

[0014] The technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment, and apparently, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment.

[0015] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawing, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0016] Reference Figure 1 A water hammer elimination cooling water system, which comprises a gas-liquid phase buffer tank 1 and a hot water tank 8, the gas-liquid phase buffer tank 1 is arranged at a high position, and the hot water tank 8 is arranged at a low position, that is, the gas-liquid phase buffer tank 1 is arranged above the hot water tank 8; the top of the gas-liquid phase buffer tank 1 is provided with an exhaust port, and an exhaust valve 6 is arranged at the exhaust port; the bottom of the gas-liquid phase buffer tank 1 is provided with a water outlet, and a water outlet pipe 7 connected with the hot water tank 8 is arranged at the water outlet; one side of the gas-liquid phase buffer tank 1 is provided with a condensate water return pipeline 2; the gas-liquid phase buffer tank 1 is internally provided with a gas-liquid separation channel 3 connected with the condensate water return pipeline 2; the gas-liquid separation channel 3 is vertically arranged; the bottom of the gas-liquid separation channel 3 is closed; the top of the gas-liquid separation channel 3 is open; the gas-liquid phase buffer tank 1 is further internally provided with a dirt-proof cover 4 used for closing the water outlet; the upper part or the top of the dirt-proof cover 4 is provided with a water passing hole used for connecting the gas-liquid phase buffer tank with the water outlet,

[0017] The dirt-proof cover 4 has two structures for closing the water outlet, the first structure is that the bottom of the dirt-proof cover is sealingly connected with the bottom of the gas-liquid phase buffer tank, such as welding, bonding or the like; the second structure is that the water outlet pipe extends upwards into the gas-liquid phase buffer tank to form an inserted pipe section 5, the dirt-proof cover 4 is fixed to the top of the inserted pipe section 5, and the water passing hole is opposite to the pipe opening of the inserted pipe section 4.

[0018] The water passing hole is provided with a plurality of holes which are uniformly arranged along the circumference of the dirt-proof cover, so that the water passing efficiency and speed are improved; the exhaust port and the exhaust valve 6 are provided with a plurality of holes, which are used as pressure release buffer devices, so that the vaporized gas in the pipeline can be better discharged, and the water hammer of the pipeline is reduced; the dirt-proof cover is a circular arc cover body or a hollow cylindrical cover body.

[0019] The height difference between the condensate water return pipeline 2 and the hot water tank 8 is 4-6 m, so that the condensate water return pipeline does not need to overcome a high position difference, and the water hammer risk is fundamentally avoided.

[0020] The water hammer elimination cooling water system has the following technical effects,

[0021] Firstly, the outlet direction of the cooling water is changed, the water outlet pipeline 7 is changed from the high-position cooling tower to the low-position hot water tank, so that the high position difference and the pipeline resistance of the water outlet pipeline are eliminated, the water hammer phenomenon of the pipeline is better eliminated, and the damage risk of the pipeline, the valve and the interface and the like is reduced;

[0022] Secondly, the deionized water-gas-liquid phase buffer tank 1-water outlet pipeline-low-position hot water tank is innovatively adopted, and the commonly used cooling tower circulating water cooling is replaced; after the cooling return water enters the gas-liquid phase buffer tank 1, the two-phase flow is separated through the gas-liquid separation channel 3, the gas phase flows upwards due to the low density, the liquid phase flows downwards into the tank body due to the gravity, then the gas is discharged through the exhaust valve 6, and the liquid phase in the tank is discharged from the tank bottom;

[0023] In addition, deionized water is used instead of the commonly used 35 DEG C circulating temperature water, and the water quality is stabilized by setting the anti-fouling cover, and the risk of pipeline blockage caused by scaling is reduced.

[0024] Third, the drain pipe is designed by inserting into the tank, and the anti-fouling cover is arranged, so that the particles such as iron rust and scale in the cooling water can be effectively intercepted, and the downstream equipment is protected from being affected. The drain pipe finally goes to the low-position hot water tank in the tank area, so that the original back pressure caused by the high position difference can be eliminated, and the cooling water can be collected and stably supplied to the subsequent process, so that the cooling water can be effectively utilized.

[0025] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A chill water system for eliminating water hammer, characterized by, The system comprises a gas-liquid phase buffer tank and a hot water tank, the gas-liquid phase buffer tank is arranged at a high position, and the hot water tank is arranged at a low position; the top of the gas-liquid phase buffer tank is provided with an exhaust port, the exhaust port is provided with an exhaust valve, the bottom of the gas-liquid phase buffer tank is provided with a water outlet, the water outlet is provided with a water outlet pipe connected with the hot water tank, one side of the gas-liquid phase buffer tank is provided with a condensate water return pipeline, the gas-liquid phase buffer tank is provided with a gas-liquid separation channel connected with the condensate water return pipeline, the gas-liquid separation channel is vertically arranged, the bottom of the gas-liquid separation channel is closed, the top of the gas-liquid separation channel is open, and the gas-liquid phase buffer tank is further provided with an anti-fouling cover for closing the water outlet, and the upper part or the top of the anti-fouling cover is provided with a water hole for connecting the gas-liquid phase buffer tank and the water outlet.

2. The quenched water system for eliminating water hammer according to claim 1, wherein The water outlet pipe extends upwards to form an insertion pipe section inside the gas-liquid phase buffer tank, the anti-fouling cover is fixed on the top of the insertion pipe section, and the water hole is opposite to the pipe opening of the insertion pipe section.

3. The quenched water system for eliminating water hammer according to claim 1 or 2, wherein The water hole is provided with a plurality of water holes which are uniformly arranged along the circumference of the anti-fouling cover.

4. The quenched water system of claim 1, wherein The anti-fouling cover is a circular arc cover body or a hollow cylindrical cover body.

5. The water quenching system of claim 1, wherein, The height difference between the condensate water return pipeline and the hot water tank is 4-6 m.

6. The water chilling system of claim 1 wherein, The exhaust port and the exhaust valve are provided with a plurality of exhaust ports and exhaust valves.

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