CN210801130U

CN210801130U - Insulator for adjusting load of high-voltage electric power boiler

Info

Publication number: CN210801130U
Application number: CN201921382336.3U
Authority: CN
Inventors: 郭亚博
Original assignee: Nanjing Guanghui Power Technology Co Ltd
Current assignee: Xuzhou Taixu Smart Energy Co.,Ltd.
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-06-19
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses an insulator for adjusting the load of a high-voltage electric power boiler, which comprises a hollow body positioned between an electric conductor and a zero potential conductor, a linear motion mechanism connected with the hollow body, and a motor in transmission connection with the linear motion mechanism; the hollow body is driven by the linear motion mechanism to move along a preset direction, so that the conductive area between the conductor and the zero-potential conductor is changed, and the power of the high-voltage electric boiler is further adjusted. The utility model discloses a driving motor drives the position that ball screw adjusted the insulator, stability that can accurate controlgear.

Description

Insulator for adjusting load of high-voltage electric power boiler

Technical Field

The utility model relates to a control field, especially an insulator for adjusting high-voltage electric power boiler load.

Background

The working principle of the high-voltage electric power boiler is that an electrode conductor is used for introducing 6-25 KV high-voltage electricity to demineralized water added with electrolyte, so that water is heated to do work, and efficient conversion of electric energy to heat energy is realized. A. B, C the three-phase electrode conductor and the zero potential electrode conductor are both cylindrical metal conductors, the zero potential electrode conductor is sleeved outside the phase electrode conductor, the two conductors are coaxially and non-contact mounted and are immersed in furnace water, and the furnace water is demineralized water added with electrolyte to control the conductivity. After the phase electrode conductor is conductive, an electric field is formed between the phase electrode conductor and the zero potential electrode, and water in the electric field generates heat under the electric field environment to do work. Boiler load adjustment is achieved by changing the conductive area between the phase electrode conductor and the zero potential electrode.

The existing water level regulation method has the following defects: 1. the water level regulation is realized by controlling the rotating speed of a water pump arranged in a hearth, the high-voltage power boiler is used as high-temperature and high-voltage equipment, the safety protection level is higher, the requirements of the temperature, the pressure and the electromagnetic environment in the boiler on the reliability of the equipment are higher, and the failure rate of the equipment is higher. Once equipment failure occurs in a water pump and a pipeline system arranged in a hearth, the maintenance can be implemented only after furnace shutdown, water drainage, temperature reduction and ventilation, the period is long, and the equipment operation is seriously influenced. In addition, the power cut-off operation of the high-voltage equipment has a strict production management flow, and the production operation pressure is higher; 2. the water level is adjusted by the water pump, and the accuracy of water level control is poor, so that the response rate, linearity, accuracy and stability of boiler load control are difficult to ensure, and the boiler load characteristic is poor; 3. during the water level adjustment process, the electrode conductor element is immersed in high-temperature furnace water, part of the electrode conductor element is exposed to high-temperature, high-pressure and high-humidity air (or steam), and electrode corrosion exists.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the provided insulator for adjusting the load of the high-voltage power boiler is characterized in that a servo motor drives a ball screw to adjust the position of the load insulator of the high-voltage power boiler, and the conductive area between a phase electrode conductor and a zero potential electrode conductor is adjusted, so that the power of the high-voltage power boiler is changed, and the problems in the prior art are solved;

the technical scheme is as follows: an insulator for adjusting the load of a high-voltage electric boiler comprises a hollow body, a linear motion mechanism and a motor, wherein the hollow body is positioned between an electric conductor and a zero-potential conductor; the hollow body is driven by the linear motion mechanism to move along a preset direction, so that the conductive area between the conductor and the zero-potential conductor is changed, and the power of the high-voltage electric boiler is further adjusted.

In a further embodiment, the hollow body is cylindrical and is sleeved outside the conductor, and a gap with a predetermined distance is formed between the hollow body and the conductor and between the hollow body and the zero-potential conductor.

In a further embodiment, two ends of the hollow body are open, an upper insulating cylinder and a lower insulating cylinder are arranged at two ends of the electric conductor, the hollow body, the upper insulating cylinder and the lower insulating cylinder form an accommodating space, and the electric conductor is positioned in the accommodating space; the upper insulating cylinder and the lower insulating cylinder are connected with the boiler shell.

In a further embodiment, the lower insulating cylinder is internally sleeved in the hollow body, and a predetermined gap is formed between the lower insulating cylinder and the hollow body.

In a further embodiment, the linear motion mechanism is a screw pair.

In a further embodiment, the upper insulating cylinder, the lower insulating cylinder, the hollow body, the electrical conductor and the zero potential conductor are coaxially arranged.

Has the advantages that: through setting up linear motion mechanism, the cavity body moves along the predetermined direction under linear motion mechanism's drive, changes the conducting area between electric conductor and the zero potential conductor, and then adjusts high-pressure electric boiler's power.

In a further embodiment: 1. the position of this insulator is adjusted to this device adoption servo motor drive ball screw's mode, and through the area of contact between looks electrode conductor and zero potential electrode conductor and the stove water, servo system control is more accurate safe change high voltage motor boiler's work efficiency, and this device material all chooses for use high temperature resistant light-duty material interference killing feature strong, easy dismounting, the stable performance. 2. The position of the insulator is adjusted through the servo motor driving screw rod, and power adjustment is controlled more accurately. 3. The device adopts high temperature resistant and corrosion resistant materials to better protect the stability and safety of equipment.

Drawings

Fig. 1 is a half sectional view of the main body of the present invention.

Fig. 2 is a perspective view of the cylinder of the present invention.

The reference signs are: the device comprises an upper insulation cylinder 1, a conductor 2, a control insulation cylinder 3, a zero potential conductor 4 and a lower insulation cylinder 5.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention; it will be apparent, however, to one skilled in the art that the present invention may be practiced without one or more of these specific details, and in other instances, features that are known in the art have not been described in order to avoid obscuring the present invention.

In the description of the present invention, an insulator for regulating the load of a high-voltage electric power boiler is described. Fig. 1 comprises an upper insulating cylinder 1, a conductive body 2, a control insulating cylinder 3, a zero potential conductor 4 and a lower insulating cylinder 5. Wherein, the upper insulating cylinder 1 comprises a high-temperature resistant anticorrosive light insulating material. The contact area between the electric conductor and the furnace water is changed by adjusting the screw rod; and the control insulating cylinder 3 comprises a control part and a high-temperature-resistant insulating cylinder, and the control insulating cylinder 3 is coaxial with the conductor 2 and is arranged outside the conductor 2 in a non-contact manner.

As shown in fig. 1 and 2, the conductor 2 and the zero-potential conductor 4 have an electrolyte solution therebetween, so that a loop is formed between the conductor and the zero-potential conductor, the electrolyte solution having a resistance related to a contact area between the conductor and the zero-potential conductor. For this purpose, an upper insulating cylinder and a lower insulating cylinder are respectively arranged above and below the electric conductor, a movable control insulating cylinder (hollow body) is sleeved on the periphery of the electric conductor, and a lower port of the hollow body is sleeved with the lower insulating cylinder. When the hollow body is moved, the area of a passage between the conductor and the zero-potential conductor is changed, so that the resistance is changed, and further the power is changed, so that the power of the system can be adjusted by adjusting the upper part and the lower part of the hollow body. The linear motion mechanism and the motor will not be described in detail herein. One end of the linear motion mechanism is connected with the hollow body, and the linear motion mechanism can be pushed to move up and down, and a screw rod pair, a rack pair or other structures can be adopted.

The clearance between lower insulating cylinder and the cavity body is controlled at predetermined scope, makes the cavity body can reciprocate smoothly, and simultaneously, the clearance should not be too big, leads to having great electric path between electric conductor and the zero potential conductor. In other embodiments, the lower insulating cylinder may also be arranged to be movable, so that it is adjusted by the lower side. Or the upper insulating cylinder is U-shaped, the lower insulating cylinder is also U-shaped, and the electric path power between the conductor and the zero potential conductor is adjusted by adjusting the relative position of the upper insulating cylinder and the lower insulating cylinder. In essence, it is sufficient that the contact area on the electrical path can be changed between the electrical conductor and the zero potential conductor by means of an insulating member. There may be equivalents as described above or equivalents thereto.

The utility model discloses specific working process as follows: the method comprises the steps of immersing an insulator in water, adding electrolyte into the water to control conductivity of a desalted water phase electrode conductor, forming an electric field between the phase electrode conductor and a zero potential electrode after the desalted water phase electrode conductor conducts electricity, heating and acting a water body in the electric field environment, driving a ball screw by a servo motor to adjust the position of the insulator when the load of a boiler needs to be adjusted, and then adjusting the conducting areas between the phase electrode conductor and the zero potential electrode conductor and between the boiler water, so that the power of the high-voltage electric boiler is changed.

As described above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limited to the invention itself, but may be modified in form and detail without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. An insulator for adjusting the load of a high-voltage electric power boiler is characterized by comprising a hollow body, a linear motion mechanism and a motor, wherein the hollow body is positioned between a conductor and a zero-potential conductor; the hollow body is driven by the linear motion mechanism to move along a preset direction, so that the conductive area between the conductor and the zero-potential conductor is changed, and the power of the high-voltage electric boiler is further adjusted.

2. The insulator for adjusting the load of a high voltage electric boiler as set forth in claim 1, wherein the hollow body has a cylindrical shape and is fitted around the outside of the electric conductor with a predetermined distance between the hollow body and the electric conductor and the zero potential conductor.

3. The insulator for adjusting the load of a high-voltage electric power boiler as claimed in claim 1 or 2, wherein the hollow body is open at both ends, the electric conductor is provided with an upper insulating cylinder and a lower insulating cylinder at both ends, the hollow body, the upper insulating cylinder and the lower insulating cylinder form an accommodating space, and the electric conductor is positioned in the accommodating space; the upper insulating cylinder and the lower insulating cylinder are connected with the boiler shell.

4. The insulator for adjusting a load of a high voltage electric power boiler as set forth in claim 3, wherein the lower insulating cylinder is internally fitted in the hollow body with a predetermined gap therebetween.

5. An insulator for regulating load of a high voltage electric boiler according to claim 1, wherein said linear motion mechanism is a screw pair.

6. An insulator for regulating load of a high voltage electric boiler according to claim 3, wherein the upper insulating cylinder, the lower insulating cylinder, the hollow body, the electric conductor and the zero potential conductor are coaxially arranged.