CN213033281U - Online water cooling plant of aluminum alloy extrusion production line - Google Patents

Abstract

The utility model discloses an online water cooling device of an aluminum alloy extrusion production line, which comprises a shell and a water tank, wherein a spray head for spraying cooling water is arranged in the shell, a water flow circulation loop is formed among the shell, the spray head and the water tank through a conveying device, and a water pump is arranged on the water flow circulation loop; the steam return pipe is communicated with the water tank, and an exhaust fan is arranged in the steam return pipe. The utility model has the water circulation cooling function, the water vapor is condensed and recycled, and the quenching efficiency can be effectively improved.

Description

Online water cooling plant of aluminum alloy extrusion production line

Technical Field

The utility model relates to an aluminium alloy processing equipment technical field specifically is an online water cooling plant who relates to an aluminum alloy extrusion production line.

Background

In the processing process of the aluminum profile, after the aluminum profile is extruded in a hot mode, the aluminum profile needs to be quenched, and the comprehensive technical performance indexes such as hardness and strength can meet the standard requirements of the aluminum profile T5 or T6. At present, most aluminum profile manufacturers adopt a simple method for quenching treatment, namely, a plurality of small blowers or two rows of water nozzles are arranged at a profile discharge port of an extruder, and the extruded aluminum profile is quenched on line.

The existing online water cooling device sprays high-temperature aluminum profiles in a cavity, when water contacts the high-temperature aluminum profiles, the high-temperature aluminum profiles can be rapidly evaporated to form water vapor, the water vapor is accumulated in a large amount, high temperature and high pressure in the cavity can be caused, the quenching efficiency is reduced, and high-temperature gas is easy to leak from two ends of a production line and causes damage to nearby operators.

Disclosure of Invention

The utility model aims at solving the defects of the prior art and providing the on-line water cooling device of the aluminum alloy extrusion production line with the functions of condensing and recycling water vapor and effectively improving the quenching efficiency.

The utility model discloses an adopt following technical solution to realize above-mentioned purpose.

An online water cooling device of an aluminum alloy extrusion production line comprises a shell and a water tank, wherein a spray head for spraying cooling water is arranged in the shell, a water flow circulation loop is formed among the shell, the spray head and the water tank through a conveying device, and a water pump is arranged on the water flow circulation loop; the steam return pipe is communicated with the water tank, and an exhaust fan is arranged in the steam return pipe.

As a further explanation of the above solution, one end of the steam return pipe is communicated with the top of the housing, and the other end of the steam return pipe extends below the water surface of the water tank.

Further, a condenser is installed on the steam return pipe.

Furthermore, an exhaust pipe is connected to the output end of the condenser.

Further, the delivery device comprises a delivery pipe and a water return pipe which are connected between the water tank and the shell; the conveying pipe is provided with a first water pump, the output end of the conveying pipe is communicated with a water outlet pipe, and the water outlet pipe is connected with a plurality of nozzles; one end of the water return pipe is communicated with the bottom of the shell, and the other end of the water return pipe is communicated with the water tank.

Furthermore, the water outlet pipe is arranged along the vertical direction and is respectively and fixedly connected with two sides of the inner wall of the shell.

Furthermore, a filtering device is detachably connected to the water return pipe.

Further, a second water pump is connected to the water return pipe.

Furthermore, a drain pipe is arranged at the bottom of the water tank, and a drain valve is arranged on the drain pipe.

1. The utility model discloses be provided with the steam back flow at the casing top, take the high temperature steam in with the casing through the air exhauster and take out, both reduced the temperature in the casing and reduced atmospheric pressure, the steam of taking out condenses into the dribble after the condenser cooling, and the liquid drop flows along the pipe wall under the air current drives, finally flows back in the water tank.

2. The water circulation cooling function between the water tank and the shell is realized by arranging the water return pipe and the delivery pipe, the cooling water can be recycled, and the production cost of enterprises is greatly reduced; the filter device can effectively filter metal fragments or impurities possibly existing in the backflow water, prevent the water pump from being damaged, prolong the service life, and be detachable and replaceable, so that the maintenance is very convenient; through setting up the blow off pipe, make things convenient for the device to regularly trade water treatment, guarantee the high-efficient operation of circulative cooling.

Drawings

Fig. 1 is a front view structure diagram of the present invention.

Fig. 2 is a schematic side view of the present invention.

Description of reference numerals: 1. the device comprises a shell, 2 parts of a water tank, 2-1 parts of a blow-off pipe, 2-2 parts of a blow-off valve, 3 parts of a spray head, 4 parts of a steam backflow pipe, 5 parts of an exhaust fan, 6 parts of a condenser, 7 parts of an exhaust pipe, 8 parts of a conveying pipe, 8-1 parts of a first water pump, 8-2 parts of a water outlet pipe, 9 parts of a water backflow pipe, 9-1 parts of a filtering device, 9-2 parts of a second water pump.

Detailed Description

The technical solution is described in detail with reference to specific embodiments below.

As shown in fig. 1-2, an online water cooling device for an aluminum alloy extrusion production line comprises a shell 1 and a water tank 2, wherein a spray head 3 for spraying cooling water is installed in the shell 1, a water flow circulation loop is formed among the shell 1, the spray head 3 and the water tank 2 through a conveying device, and a water pump is arranged on the water flow circulation loop; the steam-water separator is characterized in that the shell 1 is also communicated with a steam return pipe 4, the steam return pipe 4 is communicated with the water tank 2, and an exhaust fan 5 is arranged in the steam return pipe 4.

More specifically, one end of the vapor return pipe 4 communicates with the top of the housing 1, and the other end of the vapor return pipe 4 extends below the water surface of the water tank 2 so that vapor is condensed in the presence of water to be completely absorbed.

More specifically, a condenser 6 is mounted on the steam return pipe 4. And an exhaust pipe 7 is connected to the output end of the condenser 6. Here, the condenser 6 and the exhaust duct 7 are advantageous in that the steam can be condensed into water droplets in advance and then discharged into the water tank, and the air is discharged through the exhaust duct 7, thereby preventing a large amount of air from being discharged into the water tank 2.

More specifically, the delivery means comprise a delivery pipe 8 and a water return pipe 9 connected between the tank 2 and the casing 1; a first water pump 8-1 is arranged on the conveying pipe 8, the output end of the conveying pipe 8 is communicated with a water outlet pipe 8-2, and a plurality of spray heads 3 are connected to the water outlet pipe 8-2; one end of the water return pipe 9 is communicated with the bottom of the shell 1, and the other end is communicated with the water tank 2.

In this embodiment, it is preferable that the water outlet pipe 8-2 is disposed along a vertical direction and fixedly connected to two sides of the inner wall of the housing 1, respectively.

More specifically, the water return pipe 9 is detachably connected with a filtering device 9-1; in this embodiment, preferably filter equipment is fine and close filter screen, can effectively block the filtering with metal fragments or other impurity, prevents to cause the damage to the water pump. In other embodiments, the filter device may include a PP cotton filter layer, an activated carbon filter layer, etc., without being limited to this embodiment.

More specifically, a second water pump 9-2 is connected to the water return pipe 9. Of course, the second water pump may be omitted according to different needs, for example, in the case that the water can flow back smoothly, and is not limited to this embodiment.

More specifically, a drain pipe 2-1 is arranged at the bottom of the water tank 2, and a drain valve 2-2 is arranged on the drain pipe; so that the user can clean the water tank according to actual needs.

In the actual production process, firstly, adding water into a water tank, stopping adding water when the liquid level in the water tank reaches a certain height, controlling a water pump and an exhaust fan through a PLC (programmable logic controller) control system, normally starting and operating the water pump and the exhaust fan after receiving an instruction of the PLC system, spraying a spray head inside a shell, placing an aluminum profile subjected to a hot extrusion process along a production conveying line by people, conveying the high-temperature aluminum profile into the shell through the production conveying line, enabling the water to be in contact with the surface of the aluminum profile and evaporate rapidly, sucking steam into a steam return pipe under the action of the exhaust fan, effectively reducing the temperature and the air pressure in the shell, condensing the steam into small droplets after being cooled by a condenser, enabling the droplets to flow along the pipe wall under the drive of the air flow, enabling the air flow to flow out of an; the hot water after absorbing heat and raising temperature flows into the water return pipe and returns to the water tank after being filtered by the filtering device, so that water circulation cooling is formed, the production cost is greatly reduced, and the quenching efficiency is improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.

Claims (9)

1. An online water cooling device of an aluminum alloy extrusion production line comprises a shell and a water tank, wherein a spray head for spraying cooling water is arranged in the shell, a water flow circulation loop is formed among the shell, the spray head and the water tank through a conveying device, and a water pump is arranged on the water flow circulation loop; the steam return pipe is communicated with the water tank, and an exhaust fan is arranged in the steam return pipe.

2. The on-line water cooling device of the aluminum alloy extrusion line as recited in claim 1, wherein one end of the steam return pipe is communicated with the top of the housing, and the other end of the steam return pipe extends to a position below the water surface of the water tank.

3. An on-line water cooling device of an aluminum alloy extrusion line as recited in claim 1, wherein a condenser is installed on the steam return pipe.

4. The on-line water cooling device of the aluminum alloy extrusion production line as recited in claim 3, wherein an exhaust pipe is connected to the output end of the condenser.

5. The on-line water cooling device of the aluminum alloy extrusion line as recited in claim 1, wherein the delivery device comprises a delivery pipe and a water return pipe connected between the water tank and the shell; the conveying pipe is provided with a first water pump, the output end of the conveying pipe is communicated with a water outlet pipe, and the water outlet pipe is connected with a plurality of nozzles; one end of the water return pipe is communicated with the bottom of the shell, and the other end of the water return pipe is communicated with the water tank.

6. The on-line water cooling device of the aluminum alloy extrusion production line as recited in claim 5, wherein the water outlet pipe is arranged along a vertical direction and fixedly connected to two sides of the inner wall of the shell respectively.

7. The on-line water cooling device of the aluminum alloy extrusion production line as recited in claim 5, wherein the water return pipe is detachably connected with a filtering device.

8. The on-line water cooling device of the aluminum alloy extrusion line as recited in claim 5, wherein the water return pipe is connected with a second water pump.

9. The on-line water cooling device for the aluminum alloy extrusion production line as recited in claim 1, wherein a drain pipe is arranged at the bottom of the water tank, and a drain valve is arranged on the drain pipe.

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