CN220691766U - Cable insulating layer cooling device - Google Patents

Abstract

The utility model relates to the technical field of wrapped cable processing and cooling, and particularly discloses a cable insulation layer cooling device, which comprises a cooling water tank, wherein U-shaped wire passing grooves are formed in two sides of the cooling water tank, and serve as inlets and outlets of cables to be cooled and water outlets of circulating water, and the cooling water tank is characterized in that: the bottom of the cooling water tank is provided with a plurality of air outlets; the air outlet is communicated with a positive pressure air source through a positive pressure air pipe; the cooling water tank is internally provided with a foam isolation plate which is used for conducting drainage on air bubbles formed by air flow sprayed from the air outlet and preventing the air flow/air bubbles from directly rushing to the cable to be cooled; the circulating water is refluxed to the water inlet pipe in the cooling water tank. The utility model has the advantages of good heat dissipation effect, low energy consumption, good reliability and the like.

Description

Cable insulating layer cooling device

Technical Field

The utility model relates to the technical field of wrapped cable processing and cooling, in particular to a cable insulation layer cooling device.

Background

In the cable processing process, firstly, a conductive inner core (electric core) is stretched to a required diameter, then the electric core is wrapped (an insulating outer layer) through an insulating extruder, the insulating outer layer needs to be cooled after the electric core is wrapped, at present, a cooling water tank is mainly used for cooling, namely, the other end of the cooling water tank is used for straightening and driving a cable immersed in the cooling water tank through a tractor, and continuous wrapping, cooling and wire winding of the electric core are realized. In production, the cable diameter includes multiple models, for example, the diameter of a small diameter cable is 3mm, the diameter of a large diameter high voltage cable is 78mm, and the like, the existing cooling water tank generally adopts circulating water type, and particularly, the cooling of the large diameter high voltage cable is realized, because more heat dissipation capacity is needed, the cooling water of a plurality of cooling water tanks is usually used for circulating cooling, because the cooling tower is arranged outside a factory building, the cooling tower needs to be pumped by a water pump to the cooling tower, then the cooled water body is pumped to a high position after being cooled by the cooling tower, and then the high position circulating water is conveyed into the cooling water tank through a pipeline (the cooling water tank is injected by a tap arranged at one end of the cooling water tank, and the other end of the cooling water tank is discharged), so that the circulating use is realized. The disclosure of the related content is currently as follows: CN219163089U is a cable cooling water circulation device, setting forth in its background art to "after leaving the aircraft nose of extruder in the cable production process fashioned cable, should cool off the design immediately, otherwise can take place the deformation under the effect of gravity. 1. At least two water pumps are needed, continuous pumping circulation is needed, and energy consumption is high; 2. when the factory building is constructed, devices such as a groove digging device, a pipe distributing device, a cooling tower purchasing device, a water suction pump purchasing device and the like are needed in the factory building to prevent the circulating water pipe from being crushed, so that the cost investment is large; 3. the circulation pipeline is adopted for cooling, so that the blocking condition is easy to occur, and the subsequent production and maintenance cost is improved.

Disclosure of Invention

Aiming at the defects, the utility model provides the cable insulating layer cooling device, which effectively reduces the investment cost of early construction and reduces the energy consumption in the cable processing and cooling process.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the cooling device for the cable insulating layer comprises a cooling water tank, wherein U-shaped wire passing grooves are formed in two sides of the cooling water tank, the U-shaped wire passing grooves are used as inlets and outlets of cables to be cooled and pass through the cooling water tank and a water outlet of circulating water, and a plurality of air outlets are formed in the bottom of the cooling water tank; the air outlet is communicated with a positive pressure air source through a positive pressure air pipe; the cooling water tank is internally provided with a foam isolation plate which is used for conducting drainage on air bubbles formed by air flow sprayed from the air outlet and preventing the air flow/air bubbles from directly rushing to the cable to be cooled; the circulating water is refluxed to the water inlet pipe in the cooling water tank.

Optionally, the device comprises an air outlet pipe and an air pump, wherein the air pump is communicated with the positive pressure air pipe; the air outlet pipe is horizontally and longitudinally arranged at the bottom of the cooling water tank; the air outlet pipe is provided with a plurality of air outlets.

Optionally, the foam isolation plate is in a U shape and is longitudinally arranged corresponding to the two U-shaped wire passing groove openings; the upper parts of the two sides of the foam isolation plate are also provided with circulating water reflux holes.

Optionally, the water inlet pipe is arranged at the bottom of the cooling water tank, and a plurality of water outlets are arranged on the water inlet pipe.

Optionally, the foam isolation plate is in an L shape, the foam isolation plate is correspondingly arranged below the U-shaped wire passing slot, and a plurality of circulating water inlets are arranged at the lower part of the foam isolation plate; a hot water outlet pipe is arranged at one side of the cooling water tank; the hot water outlet pipe is arranged below the upper end side of the foam isolation plate; the water inlet pipe is arranged above the foam isolation plate.

Optionally, a cooling chamber is further included; the hot water outlet pipe is arranged at the upper part of the cooling chamber; a plurality of layers of net plates are arranged in the cooling chamber; the hot water outlet pipe sprays hot water to be cooled, and drops the hot water onto the multi-layer mesh plate, and the cooling is realized by the multi-layer mesh plate; the lower part of the cooling chamber is also provided with a water pumping port; the water pumping port is connected with a water pumping pump through a circulating pipeline, and the cooled cooling water is pumped to the water inlet pipe through the water pumping pump and flows back to the cooling water tank through the water inlet pipe.

Optionally, an exhaust port is further arranged at the upper part of the cooling chamber; the outside of the exhaust port is connected with an exhaust fan; the lower part of the cooling chamber is also provided with a plurality of air inlets.

Optionally, the multi-layer mesh plate comprises a plurality of mesh plates; the screen plates are obliquely arranged in the same direction or are alternately arranged between the upper layer and the lower layer according to the height of the two ends.

Optionally, a circulating water tank is correspondingly arranged at the outer side of the U-shaped wire passing groove opening; the lower part of the circulating water tank is communicated with the upper part of the cooling chamber through a pipeline.

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

1. according to the utility model, the hot water in the cooling water tank is rapidly cooled by adopting the mode of air flow and circulating water, and air bubbles formed in the cooling water tank by the air flow are not directly sprayed to the cable insulation layer to be cooled, so that the unsmooth appearance of the cable insulation layer is prevented.

2. The utility model can realize rapid cooling circulation in the device for cooling the water body without using long-distance pipelines to convey to the outside and cooling the cooling tower, thereby greatly reducing energy consumption and reducing early construction cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below.

FIG. 1 is a schematic view of a first embodiment of a cooling chamber of the present utility model;

FIG. 2 is a schematic view of a second embodiment of the cooling chamber of the present utility model;

FIG. 3 is a cut-away view of a first embodiment of the present utility model;

FIG. 4 is a cross-sectional view of the present utility model employing a U-shaped foam barrier;

fig. 5 is a longitudinal cross-sectional view of fig. 4.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "inner", "front", "rear", "left", "right", etc., are based on directions or positional relationships shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.

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

The utility model provides a cable insulating layer cooling device, includes cooling water tank 1, cooling water tank 1's both sides are provided with U-shaped wire through groove mouth 11, U-shaped wire through groove mouth 11 is as waiting to cool cable 10 to pass the import and export of cooling water tank and the delivery port of circulating water, these belong to prior art, its principle is that waiting to cool cable needs to dip into the water of cooling water tank all the time, therefore, the liquid level in the cooling water tank should be kept higher than waiting to cool cable's top all the time; the U-shaped through-slot opening 11 is thus provided in order to promote the cooling water to flow out slowly from the U-shaped through-slot opening 11, while the flow of the cooling water to supplement the cooling water tank 1 corresponds to the flow of the hot water flowing out from the U-shaped through-slot opening 11. In this embodiment, the bottom of the cooling water tank 1 is provided with a plurality of air outlets; the air outlet is communicated with a positive pressure air source through a positive pressure air pipe 19; as shown in fig. 3, the air pump comprises a plurality of air outlet pipes 18 and an air pump 15 which are longitudinally and horizontally arranged, wherein the air pump 15 is communicated with the positive pressure air pipe 19 through an air delivery pipe 17 (which is of a bent pipe structure, and the top of the air pump is higher than the liquid level of the cooling water tank 1), and then one end of the air outlet pipes 18 is communicated with the positive pressure air pipe 19; the air outlet pipe 18 is provided with a plurality of air outlets, and the purpose/effect of the design is that: cooling gas is uniformly sprayed into the water body in the cooling water tank 1, and heat is taken away by means of the gas. In order to prevent the air flow and the air bubbles from being directly sprayed to the insulating layer which is not hardened on the outer surface of the cable to be cooled and prevent the insulating outer layer from being not smooth, in the embodiment, a bubble isolation plate is further arranged in the cooling water tank 1 and is used for guiding the air bubbles formed by the air flow sprayed from the air outlet and preventing the air flow/the air bubbles from being directly sprayed to the cable to be cooled; the circulating water is refluxed to the water inlet pipe in the cooling water tank.

The utility model is mainly provided with two specific embodiments:

in the first embodiment, as shown in fig. 1 to 3, a bracket 16 is provided, the foam isolation plate 22 is L-shaped, the foam isolation plate 22 is correspondingly arranged below the U-shaped wire passing slot 11, and a plurality of circulating water inlet holes 21 are arranged at the lower part of the foam isolation plate 22; a hot water outlet pipe 2 is arranged at one side of the cooling water tank 1; the hot water outlet pipe 2 is arranged below the upper end side of the foam insulation plate 22; the inlet pipe 12 is arranged above the foam barrier 22. In this embodiment, the water inlet pipe 12 is disposed horizontally and longitudinally (i.e. parallel to the air outlet pipe 18), and then a plurality of water inlet holes are formed in the lower portion of the water inlet pipe 12; then, the hot water outlet pipes 2 are arranged in a plurality and are horizontally arranged in a row along the longitudinal direction of the cooling water tank 1, and the hot water outlet pipes 2 are arranged at the upper part of the cooling water tank 1, so that the upward flow and the ejection of air flow are facilitated; at this time, the air flow is largely ejected from the air outlet pipe 18, then the air flow and the air bubble flow upward flow under the blocking and guiding of the bubble isolation plate 22, so as to accelerate the flow and the temperature reduction of the cooling water in the cooling water tank 1, and with this structure, the smaller size of the cooling water tank 1 can be realized, which is one of the purposes of the present design; the effect of using the air flow then also lies in: the air flow can be promoted to fully contact and transfer heat with the hot water in the cooling water tank 1, part of heat after being sprayed out of the hot water outlet pipe 2 can be taken away by the air, the cooling efficiency of the hot water is improved, and the warm water sprayed out of the hot water outlet pipe 2 continuously enters a cooling chamber for further cooling; as shown in fig. 1, further includes a cooling chamber 14; the hot water outlet pipe 2 is arranged at the upper part of the cooling chamber 14; a plurality of layers of net plates are also arranged in the cooling chamber 14; the multi-layer mesh plate comprises a plurality of mesh plates 4; the mesh plate 4 has at least two specific arrangement modes: as shown in fig. 1, a plurality of layers of the mesh plates 4 are arranged in a same-direction inclined manner; as shown in fig. 2, the upper layers and the lower layers of the multi-layer mesh plate 4 are alternately arranged at the two ends. The hot water outlet pipe 2 sprays hot water to be cooled, and drops the hot water onto the multi-layer mesh plate, and the cooling is realized by the multi-layer mesh plate; the design has the advantages that: through the multilayer net plate, the water body can be cooled in a dripping mode from top to bottom, and the cooling effect is further improved.

A water pumping port 6 is also arranged at the lower part of the cooling chamber 14; the water pumping port 6 is connected with the water pumping pump 13 through a circulation pipeline, and the cooled cooling water is pumped to the water inlet pipe 12 through the water pumping pump 13 to realize circulation, as shown in fig. 1, because the drop of the water body can be controlled within 1.8 meters, the power of the water pump used is not required to be too high, unlike the traditional method of needing a high-power water pump aiming at a long-distance lift pipeline, in the embodiment, the water pump can use the level of the fish tank water pump with processing power, such as a Chuangning brand variable-frequency water pump, 88W power and other types, and the circulation can realize cooling with the cable diameter of more than 60 mm; and flows back into the cooling water tank 1 through the water suction pump 13 and the water inlet pipe 12. In this embodiment, in order to further improve the cooling efficiency of the hot water in the cooling water tank 1, an air suction port 7 is optionally further provided at the upper part of the cooling chamber 14; the outside of the exhaust port 7 is connected with an exhaust fan; the lower part of the cooling chamber 14 is also provided with a plurality of air inlets 5. When in use, the principle of operation is as follows:

firstly, under the action of an exhaust fan, micro negative pressure can be formed at the upper part of the cooling chamber 14, then under the pumping action of the air pump 15, air flow and air bubbles are fully fused with the water body and realize heat transfer, at this time, the water body, the air flow and the air bubbles flow to the right and upper side along the foam isolating plate 22, and are sprayed out from the hot water outlet pipes 2 arranged at the right and upper parts, then hot air flow is pumped out from the exhaust opening 7, meanwhile, under the action of the exhaust opening 7, external cold air flow enters the cooling chamber 14 from the air inlets 5, and the cold air flow flows from bottom to top, the hot water drops dropping on the screen plate 4 are contacted and radiated, finally, the cooling water dropping on the bottom of the cooling chamber 14 is changed into cold water, then the cold water is pumped to the water inlet pipe 12 from the water pumping opening 6 through the small water pumping pump 13, at this time, the cold water can uniformly flow in the upper part of the right and upper side of the cooling water tank 1 in the free figure 3, and is treated to flow downwards along the upper side of the foam isolating plate 22, wherein the cold water flows downwards, and then the cooling water drops flow from the cooling water outlet pipe 2 flows out from the water outlet pipe 18 and then flows out from the cooling water outlet pipe 11. In order to improve the circulation effect, the angle of the air injection pipe of the air outlet pipe 18 may be set to be slightly inclined to the right and upper direction, which is advantageous for improving the circulation efficiency.

Meanwhile, as shown in figures 1-2, the outer side of the U-shaped wire passing slot opening is correspondingly provided with a circulating water tank 3 and a circulating water tank 9; the lower part of the circulating water tank is communicated with the upper part of the cooling chamber through a pipeline 8.

The present utility model also provides another specific embodiment, as shown in fig. 4 to 5, which is different in that the foam insulation plate 20 is provided with a U-shape, and is longitudinally provided corresponding to two U-shaped wire passing slots (i.e. two ends are respectively combined and fixed at two ends of the inner side of the cooling water tank 1); the upper parts of both sides of the bubble partition plate 20 are also provided with circulating water return holes 24.

In this embodiment, the water inlet pipe is a plurality of water inlets 23-1 provided at the bottom of the cooling water tank 1, and the plurality of water inlets 23-1 are provided in a row in the longitudinal direction and then circulating water is supplied through the water inlet pipe 23. The present embodiment differs from the above embodiment only in that: the cooling chamber 14 may not be provided, and then a large amount of gas is sprayed out by the air outlet pipe 18, after the gas in this embodiment is fully contacted with the cooling water, a large amount of heat is directly emitted from the upper portion of the cooling water tank 1 and is rapidly taken away, at this time, only a small-power water pump is needed to circulate the water flowing out from the U-shaped water passing slot 11, and then in this embodiment, a significant difference is also provided, that is, a water adding pipe is needed to be added, and the water adding pipe is directly connected with municipal water, mainly for supplementing the evaporated water amount, so as to maintain the whole water amount of the cooling water tank 1. This embodiment, which is preferred for cooling small diameter cables, has the advantage that: the long-distance circulating pipeline is not needed, the cooling tower and two large-lift high-power water pumps are omitted, the power consumption is greatly reduced, the later maintenance is convenient and quick, and the use effect is good.

Claims (9)

1. The utility model provides a cable insulating layer cooling device, includes the cooling water tank, the both sides of cooling water tank are provided with the U-shaped and cross the line notch, the U-shaped is crossed the line notch and is regarded as waiting to cool off the cable and pass the exit of cooling water tank and the delivery port of circulating water, its characterized in that: the bottom of the cooling water tank is provided with a plurality of air outlets; the air outlet is communicated with a positive pressure air source through a positive pressure air pipe; the cooling water tank is internally provided with a foam isolation plate which is used for conducting drainage on air bubbles formed by air flow sprayed from the air outlet and preventing the air flow/air bubbles from directly rushing to the cable to be cooled; the circulating water is refluxed to the water inlet pipe in the cooling water tank.

2. A cable insulation cooling device according to claim 1, characterized in that: the air pump is communicated with the positive pressure air pipe; the air outlet pipe is horizontally and longitudinally arranged at the bottom of the cooling water tank; the air outlet pipe is provided with a plurality of air outlets.

3. A cable insulation cooling device according to claim 1, characterized in that: the foam isolating plate is U-shaped and is longitudinally arranged corresponding to two U-shaped wire passing slot openings; the upper parts of the two sides of the foam isolation plate are also provided with circulating water reflux holes.

4. A cable insulation cooling device according to claim 3, characterized in that: the water inlet pipe is arranged at the bottom of the cooling water tank, and a plurality of water outlets are arranged on the water inlet pipe.

5. A cable insulation cooling device according to claim 1, characterized in that: the foam isolation plate is L-shaped, the foam isolation plate is correspondingly arranged below the U-shaped wire passing slot opening, and a plurality of circulating water inlet holes are formed in the lower portion of the foam isolation plate; a hot water outlet pipe is arranged at one side of the cooling water tank; the hot water outlet pipe is arranged below the upper end side of the foam isolation plate; the water inlet pipe is arranged above the foam isolation plate.

6. A cable insulation cooling device according to claim 5, wherein: the cooling chamber is also included; the hot water outlet pipe is arranged at the upper part of the cooling chamber; a plurality of layers of net plates are arranged in the cooling chamber; the hot water outlet pipe sprays hot water to be cooled, and drops the hot water onto the multi-layer mesh plate, and the cooling is realized by the multi-layer mesh plate; the lower part of the cooling chamber is also provided with a water pumping port; the water pumping port is connected with a water pumping pump through a circulating pipeline, and the cooled cooling water is pumped to the water inlet pipe through the water pumping pump and flows back to the cooling water tank through the water inlet pipe.

7. The cable insulation cooling device of claim 6, wherein: the upper part of the cooling chamber is also provided with an exhaust port; the outside of the exhaust port is connected with an exhaust fan; the lower part of the cooling chamber is also provided with a plurality of air inlets.

8. The cable insulation cooling device of claim 6, wherein: the multi-layer mesh plate comprises a plurality of mesh plates; the screen plates are obliquely arranged in the same direction or are alternately arranged between the upper layer and the lower layer according to the height of the two ends.

9. The cable insulation cooling device of claim 6, wherein: the outer side of the U-shaped wire passing slot opening is correspondingly provided with a circulating water tank; the lower part of the circulating water tank is communicated with the upper part of the cooling chamber through a pipeline.