Automatic control heating device for insulation box of electrical tar precipitator

Abstract

The utility model discloses an electrical tar precipitator insulation box automatic control heating device which comprises an electrical tar precipitator tower body, an insulation box is arranged on the top of the electrical tar precipitator tower body, a heating pipe is arranged in a closed inner cavity of the insulation box, the input end of the heating pipe is communicated with a heat source pipe, and the output end of the heating pipe is communicated with a heat pump pipe. The output end of the heating pipe is communicated with a heat source return pipe, an electromagnetic valve is installed on the heat source pipe and electrically connected with a PLC control cabinet, a temperature sensor is installed on the insulation box, and the temperature sensor is electrically connected with the PLC control cabinet. The utility model has the beneficial effects that steam is conveyed into the heating pipe to safely and uniformly heat the interior of the insulation box, the heat efficiency is high, the energy consumption is lower, and the electromagnetic valve is matched to intelligently adjust the input quantity of a heat source according to temperature setting, so that the insulation box can realize automatic control heating, the safety risk is reduced, and the working efficiency is improved. And the normal operation of an enterprise is ensured.

Description

Technical fields:

[0001] This utility model belongs to the field of electrostatic precipitators, and in particular relates to an automatic control heating device for the insulation box of an electrostatic precipitator. Background technology:

[0002] An electrostatic precipitator (ESP) is a coke oven gas primary cooling device that uses a high-voltage direct current electric field to separate tar droplets from coal gas. ESPs are commonly used in coal coking production to capture tar particles. The ESP typically has four electrical insulation boxes on top: three insulation boxes and one feeder box. These are circular boxes used to suspend the corona electrode hangers. Each insulation box consists of a high-voltage insulating porcelain insulator, a housing, and heating components. The heating components are used to heat the inside of the insulation box, primarily to prevent tar, naphthalene, and water vapor in the coal gas from condensing and depositing on the insulators. Common heating methods include electric heating and steam heating. Electric heating offers rapid heating and precise temperature control, but it has higher energy consumption and maintenance costs. Steam heating has high thermal efficiency and lower energy consumption, but its temperature is difficult to control, and the steam jacket inside the insulation box is prone to internal leakage, causing the high-voltage porcelain insulator to discharge to the housing, triggering the ESP's overcurrent protection and potentially causing the insulator to shatter. Therefore, common heating components are prone to causing quality and safety accidents, affecting the normal operation of enterprises. Summary of the Invention:

[0003] The purpose of this utility model is to provide an automatic control heating device for the insulation box of an electrostatic precipitator, and to overcome the shortcomings of the prior art, effectively solving the existing problem of unintelligent heating of the insulation box.

[0004] The present invention relates to an automatic control heating device for an insulation box of an electrostatic precipitator, comprising an electrostatic precipitator tower body, an insulation box mounted on the top of the tower body, the insulation box being fitted onto a high-voltage porcelain insulator, a heating tube being disposed within the sealed inner cavity of the insulation box, the input end of the heating tube being connected to a heat source pipe, the output end of the heating tube being connected to a heat source return pipe, a solenoid valve being installed on the heat source pipe and electrically connected to a PLC control cabinet, and a temperature sensor being installed on the insulation box and electrically connected to the PLC control cabinet.

[0005] Furthermore, the heating tube is spirally coiled around the high-pressure ceramic insulator.

[0006] Furthermore, the PLC control cabinet is installed on top of the electrostatic precipitator tower.

[0007] Furthermore, the monitoring signal line of the PLC control cabinet is connected to the ground control room.

[0008] Furthermore, the temperature sensor is located at the top of the insulating box, and the probe of the temperature sensor extends vertically downward into the sealed inner cavity of the insulating box.

[0009] The beneficial effects of this utility model are as follows: by delivering steam into the heating tube, the insulation box can be safely and evenly heated. This not only has high thermal efficiency and low energy consumption, but also, in conjunction with the solenoid valve, the input of the heat source can be intelligently adjusted according to the temperature setting, so that the insulation box can achieve automatic heating control, thereby reducing safety risks and ensuring the normal operation of the enterprise. Attached image description:

[0010] Figure 1 This is a partial structural cross-sectional view of the present invention;

[0011] In the diagram, 1 is the electrostatic precipitator tower, 2 is the insulation box, 3 is the high-voltage porcelain insulator, 4 is the heating tube, 5 is the heat source tube, 6 is the heat source return tube, 7 is the solenoid valve, 8 is the PLC control cabinet, 9 is the temperature sensor, and 10 is the monitoring signal line. Detailed implementation method:

[0012] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model are now described with reference to the accompanying drawings:

[0013] like Figure 1 As shown, an automatic control heating device for the insulation box of an electrostatic precipitator includes an electrostatic precipitator tower body 1, an insulation box 2 installed on the top of the electrostatic precipitator tower body 1, the insulation box 2 being fitted onto a high-voltage porcelain insulator 3, a heating tube 4 installed in the sealed inner cavity of the insulation box 2, the input end of the heating tube 4 being connected to a heat source pipe 5, and the output end of the heating tube 4 being connected to a heat source return pipe 6, a solenoid valve 7 being installed on the heat source pipe 5, the solenoid valve 7 being electrically connected to a PLC control cabinet 8, a temperature sensor 9 being installed on the insulation box 2, the temperature sensor 9 being electrically connected to the PLC control cabinet 8, the heating tube 4 being spirally coiled around the high-voltage porcelain insulator 3, the PLC control cabinet 8 being installed on the top of the electrostatic precipitator tower body 1, the monitoring signal line 10 of the PLC control cabinet 8 being connected to a ground control room, the temperature sensor 9 being located on the top of the insulation box 2, and the probe of the temperature sensor 9 extending vertically downward into the sealed inner cavity of the insulation box 2.

[0014] Specifically, the spiral heating tube 4 can uniformly heat the inside of the insulation box 2, while the solenoid valve 7 can intelligently adjust the input of the heat source according to the temperature setting.

[0015] In actual use, the heat source pipe 5 inputs low-energy steam into the heating pipe 4. At this time, the heating pipe 4, which is spirally coiled around the high-pressure porcelain insulator 3, can uniformly and efficiently heat the inner cavity of the insulation box 2. The steam after heat exchange is returned through the heat source return pipe 6, thereby realizing cyclic heating. The temperature sensor 9 can monitor the temperature change inside the insulation box 2 in real time. When the temperature inside the insulation box 2 is lower than the set temperature, the monitoring data is transmitted to the PLC control cabinet 8. The control unit then instructs the solenoid valve 7 to open wider, so as to increase the heat source flow in the heating pipe 4, thereby increasing the heat exchange temperature. When the temperature inside the insulation box 2 is higher than the set temperature, the control unit instructs the solenoid valve 7 to close narrower, so as to reduce the heat source flow in the heating pipe 4, thereby reducing the heat exchange temperature. The monitoring signal line 10 transmits the monitoring data back to the ground control room in real time, so as to enable the staff to monitor safely. The above operation mode realizes the automatic control heating of the insulation box in one step.

[0016] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An automatic control heating device for the insulation box of an electrostatic precipitator, comprising an electrostatic precipitator tower body (1), wherein an insulation box (2) is provided on the top of the electrostatic precipitator tower body (1), and the insulation box (2) is mounted on a high-voltage porcelain insulator (3), characterized in that: A heating tube (4) is installed in the sealed inner cavity of the insulation box (2). The input end of the heating tube (4) is connected to the heat source tube (5), and the output end of the heating tube (4) is connected to the heat source return tube (6). A solenoid valve (7) is installed on the heat source tube (5). The solenoid valve (7) is electrically connected to the PLC control cabinet (8). A temperature sensor (9) is installed on the insulation box (2). The temperature sensor (9) is electrically connected to the PLC control cabinet (8).

2. The automatic control heating device for the insulation box of an electrostatic precipitator according to claim 1, characterized in that: The heating tube (4) is spirally coiled around the high-pressure ceramic bottle (3).

3. The automatic control heating device for the insulation box of an electrostatic precipitator according to claim 1, characterized in that: The PLC control cabinet (8) is installed on top of the electrostatic precipitator tower (1).

4. The automatic control heating device for the insulation box of an electrostatic precipitator according to claim 3, characterized in that: The monitoring signal line (10) of the PLC control cabinet (8) is connected to the ground control room.

5. The automatic control heating device for the insulation box of an electrostatic precipitator according to claim 1, characterized in that: The temperature sensor (9) is located at the top of the insulating box (2), and the probe of the temperature sensor (9) extends vertically downward into the sealed inner cavity of the insulating box (2).

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