Polyethylene pipe extrusion cooling device for fuel gas

Abstract

The utility model relates to the technical field of pipe extrusion cooling devices, and discloses a polyethylene pipe extrusion cooling device for fuel gas, which comprises a cooling water channel for a polyethylene pipe to pass through and to be in contact with water for cooling, through round holes are formed in the two ends of the cooling water channel, polyethylene pipes can penetrate through the through round holes, iris structure adjusting openings are fixedly formed in the inner walls of the through round holes, and the iris structure adjusting openings can adjust the diameter of the through holes so as to adjust the polyethylene pipes of different sizes. Cooling water is added into the cooling water channel through the water pump so as to cool and shape the polyethylene pipe penetrating through the cooling water channel, and the water in the cooling water channel flows out from gaps between the adjusting plates at the two ends and the polyethylene pipe and flows back into the cooling water pool through the recovery guide pipe. And water in the cooling water tank is cooled through air.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe extrusion cooling devices, in particular to a polyethylene pipe extrusion cooling device for gas. Background Art

[0002] The traditional polyethylene pipe cooling water channel is set below the axis of the pipe extruder. The pipe needs to bend downward to a certain extent after leaving the extruder before it can be immersed in water for cooling. In this way, the pipe cannot be cooled immediately after leaving the extruder, is prone to deformation, and increases the length of the equipment assembly line. Utility Model Content

[0003] The technical problem to be solved by the utility model is: in order to overcome the above problems, a polyethylene pipe extrusion cooling device for gas is provided, which solves the above problems.

[0004] The utility model solves the technical problem by adopting the following technical solutions:

[0005] A polyethylene pipe extrusion cooling device for gas comprises a cooling water channel for polyethylene pipe to pass through and be cooled by contact with water, a support frame is fixedly arranged at the lower end of the cooling water channel, through circular holes are arranged at both ends of the cooling water channel for polyethylene pipe to pass through, and iris structure adjustment ports are fixedly arranged on the inner wall of the through circular holes, the iris structure adjustment ports can adjust the diameter of the through hole and thus adjust polyethylene pipes of different sizes, a cooling water pool is arranged below the cooling water channel for collecting water overflowing from the cooling water channel and performing heat exchange, a water pump is fixedly arranged on the cooling water pool, and the water pump is connected to the cooling water pool. The water in the cooling water pool is added to the cooling water channel through a water supply pipe connected to the cooling water channel. The iris structure adjustment port includes a fixed plate fixed to the inner wall of the cooling water channel, and a plurality of slide grooves are arranged at annular intervals on the fixed plate. It also includes an adjustment plate that slides along the slide grooves, and a slide column is connected to the front end surface of the adjustment plate. A rotating adjustment plate is covered on the front end surface of the adjustment plate, wherein the slide column moves along the arc groove on the rotating adjustment plate. By rotating the rotating adjustment plate, the adjustment plate can be moved along the slide groove at the same time, thereby changing the through hole size of the iris structure adjustment port.

[0006] Preferably, water collecting trays are fixedly provided at both ends of the cooling water channel for collecting water flowing out from the gap between the iris structure adjustment port and the polyethylene pipe, and a recovery conduit is connected between the lower end of the water collecting tray and the cooling water pool for recovering water into the cooling water pool.

[0007] Preferably, in order to accelerate the heat dissipation of the water in the cooling water pool, a plurality of metal heat sinks are fixedly arranged at intervals in the cooling water pool. After absorbing the heat in the water, the metal heat sinks quickly exchange heat with the air to reduce the water temperature.

[0008] Preferably, a plurality of through holes are provided at intervals on the metal heat sink to facilitate air circulation and accelerate heat dissipation.

[0009] Preferably, a rubber coating layer is fixedly provided on the outside of the adjustment plate, so that good sealing is formed between the contact surfaces of the adjustment plate and between the adjustment plate and the rotating adjustment disk or the fixed disk.

[0010] Preferably, the distance between the outer wall of the polyethylene pipe and the adjustment plate is no more than one centimeter.

[0011] The advantages and positive effects of the utility model are as follows: cooling water is added into the cooling water channel through a water pump to cool and shape the polyethylene pipe passing through the cooling water channel, and the water in the cooling water channel flows out from the gaps between the adjustment plates and the polyethylene pipes at both ends and flows back into the cooling water pool through a recovery conduit, and the water in the cooling water pool is cooled by air. The additionally arranged metal heat sink can accelerate the cooling of the water in the cooling water pool, thereby realizing circulation. The center of the iris structure adjustment port in the device is coaxial with the center of the extruder for extruding the polyethylene pipe, so that the cooling of the polyethylene pipe is faster and more efficient, and is not easy to deform. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the utility model;

[0015] Figure 3 yes Figure 1 A schematic diagram of the enlarged structure of the adjustment port of the middle iris structure;

[0016] Figure 4 yes Figure 3 The structural diagram of rotating the adjustment disk is omitted. DETAILED DESCRIPTION

[0017] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0018] The following is a further description of the embodiments of the present invention in conjunction with the accompanying drawings:

[0019] like Figure 1-4 As shown, a polyethylene pipe extrusion cooling device for gas described in the utility model comprises a cooling water channel 16 for polyethylene pipe to pass through and be cooled by contact with water, a support frame 10 is fixedly arranged at the lower end of the cooling water channel 16, through circular holes are arranged at both ends of the cooling water channel 16 for polyethylene pipe to pass through, and an iris structure adjustment port 17 is fixedly arranged on the inner wall of the through circular hole, and the iris structure adjustment port 17 can adjust the diameter of the port to adjust polyethylene pipes of different sizes, a cooling water pool 11 is arranged below the cooling water channel 16 for collecting water overflowing from the cooling water channel 16 and performing heat exchange, and a water pump 13 is fixedly arranged on the cooling water pool 11, and the water pump 13 is connected to the cooling water channel 16 by the cooling water channel 16. The water supply pipe 14 connected to the cooling water channel 16 adds the water in the cooling water pool 11 into the cooling water channel 16. The iris structure adjustment port 17 includes a fixed plate 12 fixed to the inner wall of the cooling water channel 16, and a plurality of slide grooves 22 are provided at annular intervals on the fixed plate 12. It also includes an adjustment plate 21 that slides along the slide grooves 22, and a slide column 20 is connected to the front end surface of the adjustment plate 21, and a rotating adjustment plate 19 is provided on the front end surface of the adjustment plate 21, wherein the slide column 20 moves along the arc groove on the rotating adjustment plate 19. By rotating the rotating adjustment plate 19, the adjustment plate 21 can be moved along the slide groove 22 at the same time, thereby changing the through hole size of the iris structure adjustment port 17.

[0020] Preferably, a water collecting tray 18 is fixedly provided at both ends of the cooling water channel 16 for collecting water flowing out from the gap between the iris structure adjustment port 17 and the polyethylene pipe, and a recovery duct 15 is connected between the lower end of the water collecting tray 18 and the cooling water pool 11 for recovering water into the cooling water pool 11.

[0021] Preferably, in order to accelerate the heat dissipation of the water in the cooling water pool 11, a plurality of metal heat sinks 23 are fixedly provided at intervals in the cooling water pool 11. After absorbing the heat in the water, the metal heat sinks 23 quickly exchange heat with the air to reduce the water temperature.

[0022] Preferably, a plurality of through holes are provided at intervals on the metal heat dissipation plate 23 to facilitate air circulation and accelerate heat dissipation.

[0023] Preferably, a rubber coating layer is fixedly provided on the outside of the adjustment plate 21 , so that good sealing is formed between the contact surfaces of the adjustment plate 21 and between the adjustment plate 21 and the rotating adjustment disk 19 or the fixed disk 12 .

[0024] Preferably, the distance between the outer wall of the polyethylene pipe and the adjustment plate 21 is no more than one centimeter.

[0025] During specific implementation, cooling water is added into the cooling water channel 16 through the water pump 13 to cool and shape the polyethylene pipe passing through the cooling water channel 16, and the water in the cooling water channel 16 flows out from the gap between the adjustment plates 21 and the polyethylene pipe at both ends and flows back to the cooling water pool 11 through the recovery pipe 15, and the water in the cooling water pool 11 is cooled by air. The metal heat sink 23 provided in addition can accelerate the cooling of the water in the cooling water pool 11, thereby realizing circulation. The center of the iris structure adjustment port 17 in the device is coaxial with the center of the extruder for extruding the polyethylene pipe, so that the cooling of the polyethylene pipe is faster and more efficient, and it is not easy to deform.

[0026] It should be emphasized that the embodiments described in the present invention are illustrative rather than restrictive. Therefore, the present invention is not limited to the embodiments described in the specific implementation manner. Any other implementation manners derived by those skilled in the art based on the technical solution of the present invention also fall within the scope of protection of the present invention.

Claims

1. A polyethylene pipe extrusion cooling device for gas, comprising a cooling water channel (16) through which the polyethylene pipe passes and contacts with water for cooling, characterized in that: A support frame (10) is fixedly provided at the lower end of the cooling water channel (16), and through circular holes are provided at both ends of the cooling water channel (16) for polyethylene pipes to pass through, and an iris structure adjustment port (17) is fixedly provided on the inner wall of the through circular hole, and the iris structure adjustment port (17) can adjust the diameter of the port and thus adjust polyethylene pipes of different sizes. A cooling water pool (11) is provided below the cooling water channel (16) for collecting water overflowing from the cooling water channel (16) and performing heat exchange, and a water pump (13) is fixedly provided on the cooling water pool (11), and the water pump (13) adds water in the cooling water pool (11) to the cooling water pool through a water supply pipe (14) connected to the cooling water channel (16). The iris structure adjustment port (17) comprises a fixed disk (12) fixed to the inner wall of the cooling water channel (16), a plurality of slide grooves (22) are arranged at annular intervals on the fixed disk (12), and an adjustment plate (21) slides along the slide grooves (22), and a slide column (20) is connected to the front end surface of the adjustment plate (21), and a rotating adjustment disk (19) is provided on the front end surface of the adjustment plate (21), wherein the slide column (20) moves along the arc groove on the rotating adjustment disk (19), and by rotating the rotating adjustment disk (19), the adjustment plate (21) can be moved along the slide groove (22) at the same time, thereby changing the through hole size of the iris structure adjustment port (17).

2. A polyethylene pipe extrusion cooling device for gas according to claim 1, characterized in that: A water collecting tray (18) is fixedly provided at both ends of the cooling water channel (16) for collecting water flowing out from the gap between the iris structure regulating port (17) and the polyethylene pipe, and a recovery conduit (15) is connected between the lower end of the water collecting tray (18) and the cooling water pool (11) for recovering water into the cooling water pool (11).

3. A polyethylene pipe extrusion cooling device for gas according to claim 2, characterized in that: In order to accelerate the heat dissipation of the water in the cooling water pool (11), a plurality of metal heat sinks (23) are fixedly arranged at intervals in the cooling water pool (11). After absorbing the heat in the water, the metal heat sinks (23) quickly exchange heat with the air to reduce the water temperature.

4. A polyethylene pipe extrusion cooling device for gas according to claim 3, characterized in that: A plurality of through holes are provided at intervals on the metal heat dissipation plate (23) to facilitate air circulation and accelerate heat dissipation.

5. A polyethylene pipe extrusion cooling device for gas according to claim 4, characterized in that: A rubber coating layer is fixedly provided on the outside of the adjustment plate (21), so that good sealing is formed between the contact surfaces of the adjustment plate (21) and between the adjustment plate (21) and the rotating adjustment disk (19) or the fixed disk (12).

6. A polyethylene pipe extrusion cooling device for gas according to claim 5, characterized in that: The distance between the outer wall of the polyethylene pipe and the adjustment plate (21) is no more than one centimeter.

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