CN210800046U - Sealer water sealing system under three-layer co-extrusion dry-method crosslinking production line - Google Patents
Sealer water sealing system under three-layer co-extrusion dry-method crosslinking production line Download PDFInfo
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- CN210800046U CN210800046U CN201921207407.6U CN201921207407U CN210800046U CN 210800046 U CN210800046 U CN 210800046U CN 201921207407 U CN201921207407 U CN 201921207407U CN 210800046 U CN210800046 U CN 210800046U
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Abstract
The utility model belongs to the technical field of electric power, a sealer water-stop system under three-layer crowded dry process crosslinked production line altogether is related to, including water pitcher, lower sealer is connected through first middle section pipeline with the water pitcher, is connected with second middle section pipeline with the relative one end of first middle section pipeline on the water pitcher, be connected with T type jar on the second middle section pipeline, the vertical portion of T type jar sets up level switch, circulating line is connected to the vertical portion lower extreme of T type jar. The utility model has reasonable and ingenious structure, and improves the pertinence to the problems existing in the prior product during working; in order to prevent water in the water tank from leaking to a front pipeline, a T-shaped tank is designed at the front part, a liquid level switch is installed at the middle part, a first pneumatic ball valve is configured at the lower part, and when the water level reaches the height of the liquid level switch, water drainage is realized, so that water cannot enter the upper part of the pipeline, and the requirements of a dry production process are met.
Description
Technical Field
The utility model belongs to the technical field of electric power, a sealer water-stop system utensil under three-layer crowded dry process crosslinked production line altogether is related to.
Background
The thickness of the insulating layer of the power cable below 110KV level is obviously increased compared with the thickness of the insulating layer of the power cable below 35KV level, and strict standard requirements are provided for the eccentricity of the insulating layer. Because of belonging to high-voltage cables, the cables cannot be cooled by water in the production process in order to ensure the insulation requirement in many standards. To meet this production standard, the cooling circuit of the production plant is cooled primarily by nitrogen. Because the diameter of the cable is too large, the outer diameter of the cable and the roundness of the cable can fluctuate to a certain extent in the production process, and the production pipeline belongs to a high-pressure environment, so that the sealing of the sealer under the condition of preventing nitrogen leakage becomes a difficult problem. The present invention addresses this challenge.
Disclosure of Invention
The utility model provides a to above-mentioned problem, provide a closure water-stop system under three-layer crowded dry process crosslinked production line altogether, this water-stop system can realize dry process production.
According to the technical scheme of the utility model: the utility model provides a closure water-stop system under three-layer coextrusion dry process crosslinking production line which characterized in that: the device comprises a water tank and a lower sealer, wherein the lower sealer is connected with the water tank through a first middle-section pipeline, one end of the water tank, which is opposite to the first middle-section pipeline, is connected with a second middle-section pipeline, the second middle-section pipeline is connected with a T-shaped tank, a liquid level switch is arranged at the vertical part of the T-shaped tank, the lower end of the vertical part of the T-shaped tank is connected with a circulating pipeline, a water return pipeline is arranged on the circulating pipeline, and a first pneumatic ball valve is arranged on the water return pipeline; the water tank is also connected with a water inlet pipe, and a water feed pump is arranged on the water inlet pipe; the water tank is also connected with the lower sealer through a first pipeline and a second pipeline, and hoses are respectively arranged on the first pipeline and the second pipeline.
As a further improvement, the water inlet pipe is provided with a gate valve and a second pneumatic ball valve.
As a further improvement, the water return pipeline is provided with a first switch, and the circulating pipeline is provided with a second switch.
As a further improvement of the utility model, first middle section pipeline, second middle section pipeline pass through the connecting pipe and realize sealing connection.
The technical effects of the utility model reside in that: the utility model has reasonable and ingenious structure, and improves the pertinence to the problems existing in the prior product during working; in order to prevent water in the water tank from leaking to a front pipeline, a T-shaped tank is designed at the front part, a liquid level switch is installed at the middle part, a first pneumatic ball valve is configured at the lower part, and when the water level reaches the height of the liquid level switch, water drainage is realized, so that water cannot enter the upper part of the pipeline, and the requirements of a dry production process are met.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a side view of the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings.
In fig. 1 and 2, the device comprises a water tank 1, a lower sealer 2, a water feeding pump 3, a T-shaped tank 4, a liquid level switch 5, a first pneumatic ball valve 6, a first middle pipeline 7, a second middle pipeline 8, a circulating pipeline 9, a water return pipeline 10, a water inlet pipe 11, a gate valve 12, a first pipeline 13, a second pipeline 14, a hose 15, a first switch 16, a second switch 17, a second pneumatic ball valve 18 and the like.
As shown in fig. 1 and 2, the utility model relates to a sealer water-sealing system under three-layer co-extrusion dry-method crosslinking production line, which comprises a water tank 1 and a lower sealer 2, wherein the lower sealer 2 is connected with the water tank 1 through a first middle-section pipeline 7, one end of the water tank 1 opposite to the first middle-section pipeline 7 is connected with a second middle-section pipeline 8, the second middle-section pipeline 8 is connected with a T-shaped tank 4, a liquid level switch 5 is arranged at the vertical part of the T-shaped tank 4, the lower end of the vertical part of the T-shaped tank 4 is connected with a circulating pipeline 9, a water return pipeline 10 is arranged on the circulating pipeline 9, and a first pneumatic ball valve 6 is arranged on the water return pipeline 10; the water tank 1 is also connected with a water inlet pipe 11, and a water feeding pump 3 is arranged on the water inlet pipe 11; the water tank 1 is further connected with the lower sealer 2 through a first pipeline 13 and a second pipeline 14, and hoses 15 are respectively arranged on the first pipeline 13 and the second pipeline 14.
The water inlet pipe 11 is provided with a gate valve 12 and a second pneumatic ball valve 18.
The water return pipe 10 is provided with a first switch 16, and the circulating pipe 9 is provided with a second switch 17.
The first middle section pipeline 7 and the second middle section pipeline 8 are connected in a sealing mode through connecting pipes.
The front part of the middle section of the pipeline in the figure 1 is connected with a second middle section pipeline 8, a circulating pipeline 9 and a water return pipeline 10 which are arranged in a closed mode, high-pressure nitrogen gas from 0.8 MP to 1.0 MP is filled in the pipeline during production, and in order to prevent nitrogen gas leakage, water sealing is adopted in the middle section of the lower sealer 2. One of the functions is to seal high-pressure nitrogen in the pipeline, and the other function is to lubricate a sealing silicone rubber gasket in the lower sealer 2, so that the service life is prolonged. In the design, the middle sections of the water tank 1 and the lower sealer 2 are connected into a whole, the water level in the water tank 1 is set to be higher than the second middle section pipeline 7 of the lower sealer 2 by utilizing the principle of the communicating vessel, so that the middle section of the lower sealer 2 is filled with water, and the sealing effect is realized on high-pressure nitrogen on the upper part. When the water level in the water tank 1 drops to the low level, the water feeding pump 3 on the side can automatically supply water to the water tank 1, when the water level reaches the high level, the water feeding pump 3 is closed to stop supplying water, a water supply electromagnetic valve (external connection) is synchronously configured with the water feeding pump 3, and the high level and the low level of the water level can be freely set through an electromagnetic liquid meter. In order to prevent water in the water tank 1 from leaking to a front pipeline, a T-shaped tank 4 is designed at the front part, a liquid level switch 5 is installed at the middle part, an electromagnetic drain valve (externally connected) is configured at the lower part, and the electromagnetic drain valve is triggered when the water level reaches the height of the liquid level switch 5, so that water cannot enter the upper part of the pipeline, and the requirement of a dry production process is met.
Claims (4)
1. The utility model provides a closure water-stop system under three-layer coextrusion dry process crosslinking production line which characterized in that: the device comprises a water tank (1) and a lower sealer (2), wherein the lower sealer (2) is connected with the water tank (1) through a first middle-section pipeline (7), one end, opposite to the first middle-section pipeline (7), of the water tank (1) is connected with a second middle-section pipeline (8), the second middle-section pipeline (8) is connected with a T-shaped tank (4), a liquid level switch (5) is arranged at the vertical part of the T-shaped tank (4), the lower end of the vertical part of the T-shaped tank (4) is connected with a circulating pipeline (9), a water return pipeline (10) is arranged on the circulating pipeline (9), and a first pneumatic ball valve (6) is arranged on the water return pipeline (10); the water tank (1) is also connected with a water inlet pipe (11), and the water inlet pipe (11) is provided with a water feeding pump (3); the water tank (1) is also connected with the lower sealer (2) through a first pipeline (13) and a second pipeline (14), and hoses (15) are respectively arranged on the first pipeline (13) and the second pipeline (14).
2. The sealer water-sealing system under the triple co-extrusion dry-crosslinking production line of claim 1, characterized in that: the water inlet pipe (11) is provided with a gate valve (12) and a second pneumatic ball valve (18).
3. The sealer water-sealing system under the triple co-extrusion dry-crosslinking production line of claim 1, characterized in that: a first switch (16) is arranged on the water return pipeline (10), and a second switch (17) is arranged on the circulating pipeline (9).
4. The sealer water-sealing system under the triple co-extrusion dry-crosslinking production line of claim 1, characterized in that: the first middle section pipeline (7) and the second middle section pipeline (8) are connected in a sealing mode through connecting pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921207407.6U CN210800046U (en) | 2019-07-29 | 2019-07-29 | Sealer water sealing system under three-layer co-extrusion dry-method crosslinking production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921207407.6U CN210800046U (en) | 2019-07-29 | 2019-07-29 | Sealer water sealing system under three-layer co-extrusion dry-method crosslinking production line |
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| Publication Number | Publication Date |
|---|---|
| CN210800046U true CN210800046U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921207407.6U Active CN210800046U (en) | 2019-07-29 | 2019-07-29 | Sealer water sealing system under three-layer co-extrusion dry-method crosslinking production line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155233A (en) * | 2021-04-20 | 2021-07-23 | 青岛沃克机械制造有限公司 | Weighing type water level control device |
| CN116959818A (en) * | 2023-08-14 | 2023-10-27 | 湖北力生电缆有限公司 | Water-gas balance system |
-
2019
- 2019-07-29 CN CN201921207407.6U patent/CN210800046U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155233A (en) * | 2021-04-20 | 2021-07-23 | 青岛沃克机械制造有限公司 | Weighing type water level control device |
| CN116959818A (en) * | 2023-08-14 | 2023-10-27 | 湖北力生电缆有限公司 | Water-gas balance system |
| CN116959818B (en) * | 2023-08-14 | 2024-02-27 | 湖北力生电缆有限公司 | Water-gas balance system |
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