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Anti-condensation apparatus for switch cabinet in limestone powder station section

A technology of limestone powder and switchgear, which is applied in the direction of substation/power distribution device shell, etc., can solve the problems of cable trench moisture, corrosion, and condensation in power distribution cabinet operation, so as to reduce the economic loss of enterprises, ensure safe operation and save costs Effect

Inactive Publication Date: 2016-04-06
华润电力(贺州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The invention provides a device for preventing dew condensation in the switchgear of the limestone powder station section, so as to solve the problem of potential safety hazards such as dew condensation and corrosion caused by the operation of the relevant power distribution cabinet when the cable trench is wet, especially when hot water enters the cable trench

Method used

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  • Anti-condensation apparatus for switch cabinet in limestone powder station section

Examples

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Effect test

Embodiment 1

[0032] A device for preventing dew condensation in a switch cabinet of a limestone powder station, comprising a blocking device (1) and a ventilation device (2), the blocking device (1) is connected to the ventilation device (2), and the ventilation device (2) Located on the blocking device (1).

[0033] Wherein, the blocking device (1) comprises a bottom layer (11) and a fireproof partition layer (12), and the bottom layer (11) and the fireproof partition layer (22) form three cable trenches (3) with a U-shaped depth of 20 cm. , the bottom layer (11) and the fire barrier layer (12) are all formed by pouring silicate materials.

[0034] Wherein, the ventilation device (2) comprises a rainproof cover (21), a silk mesh (22), and the rainproof cover (21) is 90cm away from the cable trench (3), and the rainproof cover (21) and the wire mesh Nets (22) are all made of iron.

Embodiment 2

[0036] A device for preventing dew condensation in a switch cabinet of a limestone powder station, comprising a blocking device (1) and a ventilation device (2), the blocking device (1) is connected to the ventilation device (2), and the ventilation device (2) Located on the blocking device (1).

[0037] Wherein, the blocking device (1) includes a bottom layer (11) and a fireproof partition layer (12), and the bottom layer (11) and the fireproof partition layer (22) form three cable trenches (3) with a U-shaped depth of 30 cm. , the bottom layer (11) and the fireproof partition layer (12) are both poured with borate materials.

[0038] Wherein, the ventilation device (2) comprises a rainproof cover (21), a wire mesh (22), and the rainproof cover (21) is 110 cm away from the cable trench (3), and the rainproof cover (21) and the wire mesh Net thing (22) is all made of copper.

Embodiment 3

[0040] A device for preventing dew condensation in a switch cabinet of a limestone powder station, comprising a blocking device (1) and a ventilation device (2), the blocking device (1) is connected to the ventilation device (2), and the ventilation device (2) Located on the blocking device (1).

[0041] Wherein, the blocking device (1) includes a bottom layer (11) and a fireproof partition layer (12), and the bottom layer (11) and the fireproof partition layer (22) form three cable trenches (3) with a U-shaped depth of 30 cm. , the bottom layer (11) and the fire-proof partition layer (12) are all formed by pouring phosphate materials.

[0042] Wherein, the ventilation device (2) comprises a rainproof cover (21), a silk mesh (22), and the rainproof cover (21) is 100 cm away from the cable trench (3), and the rainproof cover (21) and the wire mesh Nets (22) are all made of aluminum.

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Abstract

The invention discloses an anti-condensation apparatus for a switch cabinet in a limestone powder station section, and belongs to the anti-condensation technical field of switch cabinets. The anti-condensation apparatus for the switch cabinet in the limestone powder station section comprises a blocking apparatus and a ventilating apparatus, wherein the blocking apparatus is connected with the ventilating apparatus; the blocking apparatus comprises a bottom layer and a fireproof insulating layer; the bottom layer and the fireproof insulating layer form a U-shaped cable trench; and the ventilating apparatus comprises a rainproof cover and a silk screen object. According to the anti-condensation apparatus for the switch cabinet in the limestone powder station section, even if a small amount of vapor enters the cable trench, the water vapor can be discharged completely before the water vapor enters a power distribution room; and meanwhile, the interior of the cable trench can be kept dry at any time to ensure the safe operation of equipment so as to greatly reduce economic loss of enterprises.

Description

【Technical field】 [0001] The invention belongs to the technical field of preventing dew condensation in a switch cabinet, and in particular relates to a device for preventing dew condensation in a switch cabinet of a limestone powder station section. 【Background technique】 [0002] If there is condensation on the cabinet in the 10KV limestone powder station section, it will affect the safe operation of the unit. Long-term dew condensation in the switchgear causes oxidation and corrosion of the internal conductors of the switchgear and lowers the cable insulation, which affects the safe operation of the unit. In particular, the power cables from the B branch of the two high-level substations are charged when the unit is running, and there is no disconnection point in the middle. If there is an abnormality in the cable section, isolation measures cannot be taken. If a short circuit occurs due to moisture, the protection action of the plant B will trip and shut down, which will...

Claims

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Application Information

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IPC IPC(8): H02B1/28
CPCH02B1/28
Inventor 王朋王飞宇严山清谢文超孙锌京莫拥军李瑞桂李希超陈帼杰
Owner 华润电力(贺州)有限公司
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