Cable cover cooling device and pre-cooling structure

Abstract

The utility model provides a cable cover cooling device and a pre-cooling structure, comprising a pre-cooling assembly 1, a pre-cooling box 1 used for realizing air cooling pre-cooling is arranged in the pre-cooling assembly 1, and the right side of the pre-cooling box 1 is fixedly connected with a pre-cooling box 2. Compared with the prior art, the beneficial effects of the utility model are that the pre-cooling assembly I and the pre-cooling assembly II are added, the pre-cooling assembly I and the pre-cooling assembly II are arranged in a left-right manner, and the cable is subjected to wind power guiding and supplying action in a circumferential manner through the three groups of annular air cooling grooves, so that uniform wind cooling action is uniformly performed on the cable; according to the cable cooling device, the cable is arranged in the cooling tank and is pre-cooled for the second time through the cooling water atomized by the atomizing nozzle, then the cable is arranged in the cooling tank to be cooled for the third time, and the four groups of corner water pipes are arranged at four corners to form water flow to reduce the temperature difference of the cooling water, so that the cooling uniformity can be improved; therefore, waste heat can be recycled for auxiliary heat preservation.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cable sheath cooling technical field, especially relate to a cable sheath cooling device and precooling structure. BACKGROUND

[0002] Cable sheath refers to the insulation or sheath material (such as PVC, PE, rubber, etc.) of cable outer layer, which is coated on the surface of conductor through extruder, and needs to be quickly cooled and shaped to ensure mechanical properties and dimensional stability, and the material state is adjusted through preliminary cooling before the sheath enters the main cooling stage, so as to avoid sudden cooling stress concentration and reduce the main cooling load, therefore, the precooling structure in the cable sheath cooling device is necessary. However, the precooling structure in the common cable sheath cooling device is mostly directly blown towards the cable through, such as, air cooling fan, air cooling pipe, etc., so that the air cooling effect of the cable sheath is uneven, and uniform pre-air cooling effect cannot be achieved, and in the commonly used water cooling structure, the water in the water pool is in a static structure, so that the cooling water distributed in the water pool has a temperature difference effect, which further causes uneven cooling of the cable sheath, affecting the forming quality of the cable in later period.

[0003] In summary, the precooling structure in the cable sheath cooling device with uneven precooling has some problems in use, so it is hoped to propose a new structure to solve the above technical problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a cable sheath cooling device and precooling structure to solve the problems raised in the background art.

[0005] The utility model realizes the following technical scheme: a cable sheath cooling device and precooling structure, comprising: a precooling assembly one, a precooling box one for realizing air cooling precooling is equipped in the precooling assembly one, a precooling box two is fixedly connected on the right side of the precooling box one, three groups of annular air cooling grooves for circumferential air cooling precooling are formed in the inner side of the precooling box one, three groups of air cooling branch pipes for guiding air force are fixedly connected on the upper surface of the precooling box one, an air cooling main pipe is fixedly connected above the air cooling branch pipe, a misting nozzle for atomizing cooling water is arranged on the inner side of the upper end of the precooling box two, a precooling assembly two is arranged on the right side of the precooling assembly one, four groups of angle water pipes for realizing cooling water flow are arranged in the precooling assembly two.

[0006] As a preferred embodiment, a precooling pool is arranged in the precooling assembly two, a cooling groove is formed on the upper surface of the precooling pool, and four groups of angle water pipes are fixedly arranged at the four corner positions of the cooling groove.

[0007] As a preferred implementation, the corner water pipe is provided with a water injection hole on one side near the center of the pre-cooling pool, a water distribution pipe is fixedly connected to the upper side of the corner water pipe, and a main water pipe is fixedly connected to the front side of the water distribution pipe, so that the main water pipe guides the cooling water into the four corner water pipes through the water distribution pipe.

[0008] As a preferred implementation, the pre-cooling box is provided with three groups of air cooling holes linearly and equally distributed on the upper surface, the three groups of air cooling holes are in one-to-one correspondence with and in communication with the three outlets of the air cooling branch pipes, the air cooling holes are also in communication with the annular air cooling grooves, and a one-way valve one is installed at the concentric position of the three groups of air cooling holes on the air cooling branch pipe for guiding the air in one direction.

[0009] As a preferred implementation, the pre-cooling box is provided with a pre-cooling hole vertically formed at the center of the left side, flexible sealing rings are arranged at the left and right ends of the pre-cooling hole for improving the sealing performance, and the cable body penetrates through the inside of the pre-cooling hole.

[0010] The inside of the pre-cooling box two is provided with an atomizing cooling cavity, and the atomizing nozzle is fixedly connected with an atomizing cooling pipe for guiding the atomizing cooling water, so that the atomizing cooling pipe guides the atomizing cooling water to form atomized water mist through the atomizing nozzle to cool the cable.

[0011] As a preferred implementation, the pre-cooling box is provided with three groups of waste heat recovery holes corresponding to the three groups of annular air cooling grooves on the rear side, the waste heat recovery holes are fixedly connected with waste heat recovery branch pipes on the rear side, and three groups of one-way valves two are installed at the front ends of the waste heat recovery branch pipes.

[0012] As a preferred implementation, the waste heat recovery branch pipes are fixedly connected with a waste heat recovery main pipe on the rear side, the pre-cooling pool is fixedly connected with an insulation outer ring seat on the outside for providing waste heat insulation, and the insulation outer ring seat is provided with a waste heat insulation cavity on the inside.

[0013] As a preferred implementation, the insulation outer ring seat is fixedly connected with a group of connecting flanges on the left side and the right side of the end of the waste heat recovery main pipe, the two groups of connecting flanges are sealed and matched with each other and fixedly connected by bolts, and the waste heat recovery main pipe is sleeved with an insulation outer sleeve.

[0014] After adopting the above technical scheme, the pre-cooling assembly has the following advantages:

[0015] 1. By increasing the pre-cooling assembly one and the pre-cooling assembly two, the pre-cooling assembly one and the pre-cooling assembly two are arranged left and right, the cable is circularly guided by the wind force of the three groups of annular air cooling grooves, the cable is uniformly air-cooled, the cable is secondarily pre-cooled by the atomized cooling water of the atomizing nozzle, the cable is thirdly cooled in the cooling tank, and the four groups of corner water pipes are arranged in four corners to form water flow to reduce the cooling water temperature difference, so that the cooling uniformity can be improved.

[0016] 2. By increasing the pre-cooling assembly one and the pre-cooling assembly two, the waste heat can be recycled and auxiliary heat preservation can be assisted. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0018] Figure 1 It is the overall structure schematic diagram of the cable sheath cooling device and the pre-cooling structure of the present application.

[0019] Figure 2 It is the structure schematic diagram of the pre-cooling assembly one in the cable sheath cooling device and the pre-cooling structure of the present application.

[0020] Figure 3 It is the local sectional view schematic diagram of the pre-cooling assembly one in the cable sheath cooling device and the pre-cooling structure of the present application.

[0021] Figure 4 It is the structure schematic diagram of the pre-cooling assembly two in the cable sheath cooling device and the pre-cooling structure of the present application.

[0022] In the figure, 100-pre-cooling assembly one, 101-pre-cooling box one, 102-air cooling main pipe, 103-air cooling branch pipe, 104-annular air cooling groove, 105-pre-cooling hole, 106-cable, 107-flexible sealing ring, 108-waste heat recovery branch pipe, 109-waste heat recovery main pipe, 110-one-way valve one, 111-pre-cooling box two, 112-atomized cooling pipe, 113-atomized cooling cavity, 114-atomizing nozzle, 115-one-way valve two;

[0023] 200-pre-cooling assembly two, 201-pre-cooling pool, 202-cooling tank, 203-corner water pipe, 204-water injection hole, 205-water branch pipe, 206-main water pipe, 207-connection flange, 208-heat preservation outer ring seat. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] Please refer to Figures 1 to 4 The present application provides a technical solution: a cable sheath cooling device and a pre-cooling structure, comprising: a pre-cooling assembly one 100, a pre-cooling box one 101 for realizing air cooling pre-cooling is arranged in the pre-cooling assembly one 100, and a pre-cooling box two 111 is fixedly connected to the right side of the pre-cooling box one 101;

[0026] Three annular air cooling grooves 104 for circumferential air cooling pre-cooling are arranged on the inner side of the pre-cooling box one 101, three air cooling branch pipes 103 for guiding air force are fixedly connected to the upper surface of the pre-cooling box one 101, and an air cooling main pipe 102 is fixedly connected above the air cooling branch pipes 103;

[0027] The inner side of the pre-cooling box two 111 is provided with an atomizing nozzle 114 for atomizing cooling water at the upper end, the pre-cooling assembly one 100 is provided with a pre-cooling assembly two 200 on the right side, and four angle water pipes 203 for realizing cooling water flow are arranged in the pre-cooling assembly two 200.

[0028] A pre-cooling pool 201 is arranged in the pre-cooling assembly two 200, a cooling groove 202 is arranged on the upper surface of the pre-cooling pool 201, and four angle water pipes 203 are fixedly arranged at four corner positions of the cooling groove 202.

[0029] The side surface of one end of the angle water pipe 203 close to the center of the pre-cooling pool 201 is provided with a water injection hole 204, a water distribution pipe 205 is fixedly connected above the angle water pipe 203, and a main water pipe 206 is fixedly connected to the front side of the water distribution pipe 205, so that the main water pipe 206 guides cooling water into the four angle water pipes 203 through the water distribution pipe 205.

[0030] Three air cooling holes distributed in a linear manner are arranged on the upper surface of the pre-cooling box one 101, the three air cooling holes correspond to and communicate with the three outlets of the air cooling branch pipes 103, the air cooling holes also communicate with the annular air cooling grooves 104, a one-way valve one 110 for unidirectional guiding of air force is arranged at the concentric position of the three air cooling holes of the air cooling branch pipes 103, the air cooling main pipe 102 guides cooling air and is guided by the air cooling branch pipes 103, and the annular air cooling grooves 104 realize circumferential air cooling effect on the cable.

[0031] A pre-cooling hole 105 is vertically formed at the center of the left side of the pre-cooling box 101, and flexible sealing rings 107 are arranged at both ends of the pre-cooling hole 105 to improve the sealing performance; and a cable body 106 is vertically arranged in the pre-cooling hole 105.

[0032] The pre-cooling box 111 is internally provided with an atomizing cooling cavity 113, and an atomizing cooling pipe 112 is fixedly connected above an atomizing nozzle 114 to guide atomizing cooling water, so that the atomizing cooling pipe 112 guides the atomizing cooling water to form atomizing water mist through the atomizing nozzle 114 to cool the cable.

[0033] Please refer to Figures 1-4 As the first embodiment of the present application, first, the user sets the pre-cooling assembly 100 and the pre-cooling assembly 200 side by side, the cable passes through the pre-cooling hole 105 and the pre-cooling assembly 100, the air cooling main pipe 102 guides cooling air and guides the cooling air through the air cooling branch pipe 103, and the annular air cooling groove 104 realizes circumferential air cooling on the cable to uniformly cool the cable, and the atomizing cooling pipe 112 guides the atomizing cooling water to form atomizing water mist through the atomizing nozzle 114 to perform secondary pre-cooling on the cable; second, the cable passes through the cooling groove 202 to perform three times of cooling, and the main water pipe 206 is fixedly connected to the front side of the water distribution pipe 205 to guide cooling water into the four groups of corner water pipes 203 through the water distribution pipe 205, so that the four groups of corner water pipes 203 are arranged in a quadrangle to reduce the temperature difference of the cooling water, thereby improving the cooling uniformity.

[0034] Three groups of waste heat recovery holes corresponding to the three groups of annular air cooling grooves 104 are arranged on the rear side of the pre-cooling box 101, and the waste heat recovery branch pipes 108 are fixedly connected to the rear side of the waste heat recovery holes, and the one-way valves 115 are arranged at the front ends of the waste heat recovery branch pipes 108.

[0035] The waste heat recovery main pipe 109 is fixedly connected to the rear side of the waste heat recovery branch pipe 108, and the heat preservation outer ring seat 208 is fixedly connected to the outer side of the pre-cooling pool 201 to provide waste heat preservation, and the waste heat preservation cavity is arranged in the inner side of the heat preservation outer ring seat 208.

[0036] The connecting flanges 207 are fixedly connected to the left side of the heat preservation outer ring seat 208 and the right end of the waste heat recovery main pipe 109, the two groups of connecting flanges 207 are sealed and matched with each other and are fixed by bolts, the heat preservation outer sleeve is sleeved on the outer side of the waste heat recovery main pipe 109, and the heat generated during the cooling and temperature reduction of the pre-cooling assembly 100 is absorbed by the waste heat recovery branch pipe 108 and is guided into the heat preservation outer ring seat 208 through the waste heat recovery main pipe 109.

[0037] Please refer to Figures 1-2 and Figure 4As the second embodiment of the utility model: based on the above first embodiment, first, the heat derived in the cooling of pre-cooling assembly 100 is absorbed by waste heat recovery branch pipe 108, two sets of connecting flanges 207 are sealed and matched with each other and are fixed by using bolts, the waste heat absorbed by waste heat recovery main pipe 109 can be introduced into heat preservation outer ring seat 208, so that the waste heat can be recovered and assisted heat preservation.

[0038] The above only is the preferred embodiment of the utility model, and does not use to limit the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A cable sheath cooling device and pre-cooling structure, comprising: The precooling assembly one (100) is characterized in that: the precooling assembly one (100) is provided with a precooling box one (101) for realizing air-cooled precooling, and a precooling box two (111) is fixedly connected to the right side of the precooling box one (101). The precooling box (101) has three sets of annular air-cooling slots (104) for circumferential air-cooling precooling. The upper surface of the precooling box (101) is fixedly connected to three sets of air-cooling branch pipes (103) for guiding air force. The air-cooling main pipe (102) is fixedly connected above the air-cooling branch pipes (103). The upper inner side of the precooling tank 2 (111) is provided with an atomizing nozzle (114) for atomizing cooling water. The right side of the precooling component 1 (100) is provided with a precooling component 2 (200). The precooling component 2 (200) is provided with four sets of corner water pipes (203) for realizing the flow of cooling water.

2. The cable sheath cooling device and pre-cooling structure as described in claim 1, characterized in that: The precooling component 2 (200) is provided with a precooling pool (201), and a cooling groove (202) is provided on the upper surface of the precooling pool (201). Four sets of corner water pipes (203) are fixedly arranged at the four corners of the cooling groove (202).

3. The cable sheath cooling device and pre-cooling structure as described in claim 2, characterized in that: The corner water pipe (203) has a water injection hole (204) on one side near the center of the pre-cooling pool (201). A branch water pipe (205) is fixedly connected above the corner water pipe (203), and a main water pipe (206) is fixedly connected to the front side of the branch water pipe (205).

4. The cable sheath cooling device and pre-cooling structure as described in claim 3, characterized in that: The upper surface of the precooling box (101) is provided with three sets of linearly and equally distributed air-cooling holes. The three sets of air-cooling holes correspond one-to-one with the three outlets of the air-cooling branch pipe (103) and are interconnected. The air-cooling holes are also interconnected with the annular air-cooling groove (104). The air-cooling branch pipe (103) is equipped with a one-way valve (110) for unidirectional airflow at the concentric position of the three sets of air-cooling holes.

5. The cable sheath cooling device and pre-cooling structure as described in claim 1, characterized in that: A pre-cooling hole (105) is formed vertically through the center of the left side of the pre-cooling box (101). Both ends of the pre-cooling hole (105) are provided with flexible sealing rings (107) to improve the sealing performance. The cable body (106) passes through the inside of the pre-cooling hole (105). The precooling box 2 (111) has an atomizing cooling chamber (113) inside, and an atomizing cooling pipe (112) for guiding atomizing cooling water is fixedly connected above the atomizing nozzle (114).

6. The cable sheath cooling device and pre-cooling structure as described in claim 2, characterized in that: The pre-cooling box (101) has three sets of waste heat recovery holes on its rear side, which correspond one-to-one with the three sets of annular air-cooling slots (104). Waste heat recovery branch pipes (108) are fixedly connected to the rear side of the waste heat recovery holes. Three sets of one-way valves (115) are installed at the front end of the waste heat recovery branch pipes (108).

7. The cable sheath cooling device and pre-cooling structure as described in claim 6, characterized in that: The waste heat recovery branch pipe (108) is fixedly connected to the rear side of the waste heat recovery main pipe (109), and the pre-cooling pool (201) is fixedly connected to the outer side of the heat insulation outer ring seat (208) for providing waste heat insulation. The heat insulation outer ring seat (208) has a waste heat insulation cavity on its inner side.

8. The cable sheath cooling device and pre-cooling structure as described in claim 7, characterized in that: A set of connecting flanges (207) are fixedly connected to the left side of the insulation outer ring seat (208) and the right end of the waste heat recovery main pipe (109). The two sets of connecting flanges (207) are sealed to each other and fixed by bolts. An insulation jacket is fitted on the outside of the waste heat recovery main pipe (109).

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