Water-tree-resistant medium-pressure crosslinked polyethylene insulation material production cooling system

Abstract

The utility model belongs to the technical field of polyethylene insulation material production and application, and particularly discloses a water-tree-resistant medium-pressure crosslinked polyethylene insulation material production cooling system which is composed of a pre-cooling assembly, a first material pumping assembly, a cooling assembly and a second material pumping assembly which are sequentially connected. The cooling device has the advantages that the cooling problem in the background technology is solved, the pre-cooling assembly, the first material pumping assembly, the cooling assembly and the second material pumping assembly which are matched with one another sequentially complete anti-adhesion high-pressure air blowing and particle cooling treatment on high-temperature particles, and safe and efficient cooling operation of the high-temperature particles is achieved; 2, due to the design of the circulating cooling inlet pipe, the circulating cooling outlet pipe, the circulating cooling inlet pipe circular thread sleeve, the circulating cooling outlet pipe circular thread sleeve and the hollow thin guide pipes, the granular materials can enter the hollow thin guide pipes to complete the efficient heat exchange cooling process, and meanwhile the blocking problem is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to polyethylene insulation material production application technical field, concretely relates to the production cooling system of water tree resistance medium voltage cross linking polyethylene insulation material. BACKGROUND

[0002] Through the applicant searches: application number / patent number 201820468742.0, disclose a kind of cross-linkable polyethylene insulation material cooling device, including water supply tank, water supply tank is connected with cooling pipeline, cooling pipeline includes vertical section and spiral section, cooling pipeline outside is equipped with material passage, material passage top is equipped with feed hopper, material passage bottom is equipped with screw conveyor, material passage outside is equipped with several vibrator, spiral section water outlet is connected with water collecting tank, water collecting tank and water supply tank between are equipped with backwater pipeline, backwater pipeline is equipped with water pump, screw conveyor includes casing, casing inside is equipped with shaftless spiral, shaftless spiral one end is equipped with speed reducer, speed reducer is connected with driving motor, casing top one side is equipped with collection port, casing bottom one end is equipped with discharge port, casing top is equipped with opening, opening top is equipped with support rod parallel to casing, support rod is equipped with several air coolers, the utility model has the advantages of simple structure, not easy to bond, good cooling and high product quality.

[0003] Through analysis: in its for cooling high-temperature granular material, because just from polyethylene granulator discharge port, there is the possibility of accumulation adhesion in feed hopper, while spiral section is close to material passage and can affect the passability of granular material;In addition, the inner layer of granular material is overheated during exchange and cooling, while the outer layer of granular material affects the cooling efficiency. In addition, the air cooler directly blows the casing, which has high power consumption and poor cooling effect.

[0004] Therefore, based on the above problems, the utility model provides a water tree resistance medium voltage cross linking polyethylene insulation material production cooling system. UTILITY MODEL CONTENT

[0005] The utility model aims at providing water tree resistance medium voltage cross linking polyethylene insulation material production cooling system, to solve the problem of cross-linkable polyethylene insulation material cooling device in prior art.

[0006] Technical scheme: the water tree resistance medium voltage cross linking polyethylene insulation material production cooling system of the utility model is composed of precooling component, first material extraction component, cooling component and second material extraction component, and the precooling component, first material extraction component, cooling component and second material extraction component are connected in sequence;The precooling component is used for preventing adhesion of high-temperature granular material entering the discharge port of granulating equipment by high-pressure air blowing;The first material extraction component is used for extracting the granular material after high-pressure air blowing to the cooling component, the cooling component is used for cooling the granular material extracted by the first material extraction component, and the second material extraction component is used for extracting the granular material cooled by the cooling component.

[0007] The pre-cooling assembly comprises a vertical hollow horizontal box body, an inclined material guide inlet arranged in the upper end face of the vertical hollow horizontal box body, an inclined material guide pipe arranged on the outer wall end face of the vertical hollow horizontal box body and matched with the inclined material guide inlet, an air inlet and a discharge outlet arranged at both ends of the vertical hollow horizontal box body, an inclined screen plate arranged in the end face of one end of the vertical hollow horizontal box body and located between the inclined material guide inlet and the air inlet, an air pipe connected with the air inlet, and a high-pressure fan connected with the air pipe.

[0008] The first material extraction assembly comprises a first high-pressure material suction fan mounting seat and a first high-pressure material suction fan arranged on the first high-pressure material suction fan mounting seat.

[0009] The cooling assembly comprises a vertical hollow long box body, a vertical hollow long box body air inlet and a vertical hollow long box body discharge outlet arranged at both ends of the vertical hollow long box body, a circulating inlet pipe mounting through slot and a circulating outlet pipe mounting through slot arranged in the upper ends of the vertical hollow long box body, a circulating cooling inlet pipe and a circulating cooling outlet pipe respectively installed on the vertical hollow long box body through the circulating inlet pipe mounting through slot and the circulating outlet pipe mounting through slot, a circulating inlet guide pipe and a circulating outlet guide pipe located in the vertical hollow long box body and connected with the circulating cooling inlet pipe and the circulating cooling outlet pipe respectively, a plurality of circulating cooling inlet pipe circular screw sleeves and a plurality of circulating cooling outlet pipe circular screw sleeves symmetrically arranged on the opposite faces of the circulating inlet guide pipe and the circulating outlet guide pipe, a hollow thin guide pipe connected with the circulating cooling inlet pipe circular screw sleeve and the circulating cooling outlet pipe circular screw sleeve at both ends, and a circulating cooling temperature reduction part connected with the circulating cooling inlet pipe and the circulating cooling outlet pipe.

[0010] The second material extraction assembly comprises a second high-pressure material suction fan mounting seat, a second high-pressure material suction fan arranged on the second high-pressure material suction fan mounting seat, and a discharge pipe arranged on the second high-pressure material suction fan.

[0011] The anti-water-tree medium-voltage cross-linked polyethylene insulation material production cooling system further comprises a temperature detector arranged at the tail end of the vertical hollow long box body.

[0012] Compared with the prior art, the beneficial effects of the water tree resistant medium voltage cross-linked polyethylene insulation material production cooling system of the utility model lie in that: 1, the problems in the background technology cooling are solved, the pre-cooling assembly, the first material extraction assembly, the cooling assembly and the second material extraction assembly are matched, high-temperature granular material is sequentially subjected to anti-adhesion high-pressure air blowing and granular material cooling treatment, and safe and efficient cooling operation of the high-temperature granular material is realized; 2, the design of the circulating cooling inlet pipe, the circulating cooling outlet pipe, the circulating cooling inlet pipe circular screw sleeve, the circulating cooling outlet pipe circular screw sleeve and the hollow thin guide pipe enables the granular material to enter the hollow thin guide pipe to complete the efficient heat exchange cooling process, and the problem of blockage does not occur. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the premise of the drawings.

[0014] Figure 1 It is the front view structural schematic diagram of the water tree resistant medium voltage cross-linked polyethylene insulation material production cooling system of the utility model;

[0015] Figure 2 It is the right view structural schematic diagram of the vertical hollow long box body, the circulating outlet pipe installation through slot, the circulating outlet guide pipe and the plurality of circulating cooling outlet pipe circular screw sleeves of the utility model;

[0016] In the drawings, the serial numbers are as follows: 1-pre-cooling assembly, 2-first material extraction assembly, 3-cooling assembly, 4-second material extraction assembly, 5-temperature detector, 100-vertical hollow horizontal box body, 101-inclined material guide port, 102-inclined material guide pipe, 103-discharge port, 104-inclined screen plate, 105-air inlet, 106-air pipe, 107-high pressure air blower, 200-first high pressure material suction blower mounting seat, 201-first high pressure material suction blower, 300-vertical hollow long box body, 301-vertical hollow long box body feed port, 302-vertical hollow long box body discharge port, 303-circulating cooling temperature reduction part, 304-circulating cooling outlet pipe, 305-circulating cooling inlet pipe, 306-hollow thin guide pipe, 307-circulating inlet pipe installation through slot, 308-circulating outlet pipe installation through slot, 309-circulating inlet guide pipe, 310-circulating outlet guide pipe, 311-circulating cooling inlet pipe circular screw sleeve, 312-circulating cooling outlet pipe circular screw sleeve, 400-second high pressure material suction blower mounting seat, 401-second high pressure material suction blower, 402-discharge pipe. DETAILED DESCRIPTION

[0017] Clearly and completely describe the technical scheme in the embodiments of the utility model in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only some embodiments of the utility model, rather than all the embodiments, on the basis of the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0018] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "top", "bottom", "one side", "the other side", "front", "back", "intermediate position", "interior", "top end", "bottom end" and the like is the orientation or position relation shown based on the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0019] The utility model is further illustrated below in combination with the drawings and specific embodiments.

[0020] Embodiments

[0021] As Figure 1 and Figure 2 The anti-water-tree medium-voltage cross-linked polyethylene insulation material production cooling system shown in the drawings is composed of a pre-cooling assembly 1, a first material extraction assembly 2, a cooling assembly 3, and a second material extraction assembly 4,

[0022] The pre-cooling assembly 1, the first material extraction assembly 2, the cooling assembly 3, and the second material extraction assembly 4 are connected in sequence.

[0023] The pre-cooling assembly 1 is used for preventing the high-temperature granular material entering through the discharge port of the granulating equipment from sticking together and blowing high-pressure air.

[0024] The first material extraction assembly 2 is used for extracting the granular material after high-pressure air blowing to the cooling assembly 3.

[0025] The cooling assembly 3 is used for cooling the granular material extracted by the first material extraction assembly 2.

[0026] The second material extraction assembly 4 is used for extracting the granular material cooled by the cooling assembly 3.

[0027] In addition, the pre-cooling assembly 1 preferably comprises a vertical hollow horizontal box body 100, an inclined feeding port 101 arranged on the upper end surface of the vertical hollow horizontal box body 100, an inclined feeding pipe 102 arranged on the outer wall end surface of the vertical hollow horizontal box body 100 and used in cooperation with the inclined feeding port 101, an air inlet 105 and a discharge port 103 arranged at both ends of the vertical hollow horizontal box body 100, an inclined screen 104 arranged on the end surface of the vertical hollow horizontal box body 100 and located between the inclined feeding port 101 and the air inlet 105, an air pipe 106 connected with the air inlet 105, and a high-pressure fan 107 (realizing certain cooling function) connected with the air pipe 106.

[0028] The working principle is that the high-temperature granular material is guided to impact the surface of the inclined screen 104 through the inclined feeding pipe 102 and the inclined feeding port 101, is blocked by the inclined screen 104, and appears to be dispersed, at the same time, the high-pressure fan 107 blows through the air pipe 106 and the air inlet 105, and the air is distributed by the inclined screen 104, so that the dispersed high-temperature granular material is preliminarily cooled and blown to the discharge port 103.

[0029] In addition, the first material extraction assembly 2 preferably comprises a first high-pressure material suction fan mounting seat 200 and a first high-pressure material suction fan 201 arranged on the first high-pressure material suction fan mounting seat 200.

[0030] The feeding port of the first high-pressure material suction fan 201 is connected with the discharge port 103.

[0031] The working principle is that the dispersed high-temperature granular material at the discharge port 103 is quickly extracted into the cooling assembly.

[0032] In addition, the cooling assembly 3 preferably comprises a vertical hollow long box 300, a vertical hollow long box inlet 301 and a vertical hollow long box outlet 302 arranged at both ends of the vertical hollow long box 300, a circulating inlet pipe installation through slot 307 and a circulating outlet pipe installation through slot 308 arranged inside both ends of the upper part of the vertical hollow long box 300, a circulating cooling inlet pipe 305 and a circulating cooling outlet pipe 304 installed on the vertical hollow long box 300 through the circulating inlet pipe installation through slot 307 and the circulating outlet pipe installation through slot 308 respectively, a circulating inlet pipe 309 and a circulating outlet pipe 310 located in the vertical hollow long box 300 and connected with the circulating cooling inlet pipe 305 and the circulating cooling outlet pipe 304 respectively, a plurality of circulating cooling inlet pipe circular nuts 311 and a plurality of circulating cooling outlet pipe circular nuts 312 symmetrically arranged on the opposite sides of the circulating inlet pipe 309 and the circulating outlet pipe 310, a hollow thin pipe 306 connected with the circulating cooling inlet pipe circular nut 311 and the circulating cooling outlet pipe circular nut 312 at both ends respectively, and a circulating cooling temperature reduction part 303 connected with the circulating cooling inlet pipe 305 and the circulating cooling outlet pipe 304 respectively.

[0033] The circulating cooling temperature reduction part 303 is a circulating air cooling device or a circulating water cooling device, and the outlet of the first high-pressure suction fan 201 is connected with the vertical hollow long box inlet 301.

[0034] The working principle is that the first high-pressure suction fan 201 draws the preliminarily cooled high-temperature granular material to the vertical hollow long box 300 and pushes it from one end to the other end, and in this process, the high-temperature granular material enters the cooling cavity composed of a plurality of hollow thin pipes 306 to realize rapid contact heat exchange and achieve a high-efficiency cooling process.

[0035] In addition, the second suction assembly 4 preferably comprises a second high-pressure suction fan mounting seat 400, a second high-pressure suction fan 401 arranged on the second high-pressure suction fan mounting seat 400, and a discharge pipe 402 arranged on the second high-pressure suction fan 401.

[0036] The inlet of the second high-pressure suction fan 401 is connected with the vertical hollow long box outlet 302.

[0037] The working principle is that the second high-pressure suction fan 401 draws the cooled granular material out of the vertical hollow long box outlet 302 through the discharge pipe 402 for the next process operation.

[0038] In addition, the anti-water-treeing medium-voltage cross-linked polyethylene insulation material production cooling system preferably further comprises a temperature detector 5 arranged at the tail end of the vertical hollow long box 300, which can display the temperature of the granular material at the tail end of the vertical hollow long box 300, facilitating the management and control of the staff.

[0039] The inner wall of the vertical hollow transverse box body 100 and the vertical hollow long box body 300 is circular structure, and the length of the vertical hollow long box body 300 is 3-4 times of the vertical hollow transverse box body 100.

[0040] It is to be understood that some terms used in this document, such as the terms "comprise", "comprising", or any other variation thereof, are not intended to exclude the presence of non-disclosed elements, but are intended to include such non-disclosed elements unless otherwise indicated. The use of any of the language, "including", "having", "with", or the like, is intended to be an open-ended transition, and does not exclude the presence of additional elements, steps, or the like.

[0041] It will be apparent to those skilled in the art that the present application is not limited to the details of the above-exemplified embodiments and that the present application can be implemented in other particular forms without departing from the spirit or essential characteristics of the present application. Thus, the present application should not be considered as limited to the embodiments described herein, but should be understood to cover all modi fications, equivalents, and alternatives falling within the sphere of the equivalent scope of the following claims. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A cooling system for the production of water tree resistant medium voltage crosslinked polyethylene insulation compounds, characterized in that: The pre-cooling assembly (1), the first material extraction assembly (2), the cooling assembly (3), and the second material extraction assembly (4) are sequentially connected. The pre-cooling assembly (1) is used for preventing high-temperature granular materials entering the discharge port of a granulating device from sticking together by blowing high-pressure air. The first material extraction assembly (2) is used for extracting the granular materials after being blown by high-pressure air to the cooling assembly (3), The cooling assembly (3) is used for cooling the granular materials extracted by the first material extraction assembly (2), The second material extraction assembly (4) is used for extracting the granular materials cooled by the cooling assembly (3).

2. The cooling system for the production of water tree retardant medium voltage crosslinked polyethylene insulation compound according to claim 1, characterized in that: The pre-cooling assembly (1) comprises a vertical hollow horizontal box body (100), an inclined material guide port (101) arranged in the upper end face of the vertical hollow horizontal box body (100), an inclined material guide pipe (102) arranged on the outer wall end face of the vertical hollow horizontal box body (100) and used in cooperation with the inclined material guide port (101), an air inlet (105) and a discharge port (103) arranged at both ends of the vertical hollow horizontal box body (100), an inclined screen plate (104) arranged in the end face of one end of the vertical hollow horizontal box body (100) and located between the inclined material guide port (101) and the air inlet (105), a wind pipe (106) connected with the air inlet (105), and a high-pressure air blower (107) connected with the wind pipe (106).

3. The cooling system for the production of water tree retardant medium voltage crosslinked polyethylene insulation compound according to claim 2, characterized in that: The first material extraction assembly (2) comprises a first high-pressure material suction blower mounting seat (200) and a first high-pressure material suction blower (201) arranged on the first high-pressure material suction blower mounting seat (200). The feeding port of the first high-pressure material suction blower (201) is connected with the discharge port (103).

4. The water tree retardant medium voltage crosslinked polyethylene insulation compound production cooling system of claim 3, wherein: The cooling assembly (3) comprises a vertical hollow long box body (300), a vertical hollow long box body feeding port (301) and a vertical hollow long box body discharge port (302) arranged at both ends of the vertical hollow long box body (300), a circulating feeding pipe mounting through slot (307) and a circulating discharging pipe mounting through slot (308) arranged in the upper ends of the vertical hollow long box body (300), a circulating cooling feeding pipe (305) and a circulating cooling discharging pipe (304) respectively mounted on the vertical hollow long box body (300) through the circulating feeding pipe mounting through slot (307) and the circulating discharging pipe mounting through slot (308), a circulating feeding guide pipe (309) and a circulating discharging guide pipe (310) located in the vertical hollow long box body (300) and connected with the circulating cooling feeding pipe (305) and the circulating cooling discharging pipe (304) respectively, a plurality of circulating cooling feeding pipe circular screw sleeves (311) and a plurality of circulating cooling discharging pipe circular screw sleeves (312) symmetrically arranged on the opposite sides of the circulating feeding guide pipe (309) and the circulating discharging guide pipe (310), a hollow thin guide pipe (306) connected with the circulating cooling feeding pipe circular screw sleeve (311) and the circulating cooling discharging pipe circular screw sleeve (312) at both ends, and a circulating cooling temperature reducing part (303) connected with the circulating cooling feeding pipe (305) and the circulating cooling discharging pipe (304). The circulating cooling cooling part (303) is a circulating air cooling device or a circulating water cooling device, and the discharge port of the first high-pressure suction fan (201) is connected with the feeding port of the vertical hollow long box body (301).

5. The water tree retardant medium voltage crosslinked polyethylene insulation compound production cooling system of claim 4, wherein: The second suction assembly (4) comprises a second high-pressure suction fan mounting seat (400), a second high-pressure suction fan (401) arranged on the second high-pressure suction fan mounting seat (400), and a discharge pipe (402) arranged on the second high-pressure suction fan (401). The feeding port of the second high-pressure suction fan (401) is connected with the discharge port of the vertical hollow long box body (302).

6. The water tree retardant medium voltage crosslinked polyethylene insulation compound production cooling system of claim 4, wherein: The anti-water-tree medium-voltage cross-linked polyethylene insulation material production cooling system further comprises a temperature detector (5) arranged at the tail end of the vertical hollow long box body (300).

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