Scale inhibition and removal device and method based on random pulse sequence alternating electromagnetic field

An alternating electromagnetic field and random pulse technology, applied in the field of physics, can solve problems in exploration and research, achieve adjustable parameters, obvious effects, and inhibit the formation and deposition of scale

Pending Publication Date: 2019-12-13
上海万森低碳科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The high-frequency electromagnetic method is an attempt to combine the advantages of the first three, using an external electromagnetic field to resonate with water molecules, changing the existing form of water molecules and their combination with other ions, thereby changing the solubility and crystallization process of the scale-forming substances. etc., but this method is still in the stage of exploratory research

Method used

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  • Scale inhibition and removal device and method based on random pulse sequence alternating electromagnetic field
  • Scale inhibition and removal device and method based on random pulse sequence alternating electromagnetic field
  • Scale inhibition and removal device and method based on random pulse sequence alternating electromagnetic field

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] This embodiment is used in a Chinese iron and steel molten iron slag circulating cooling water system. The scale pollution of this system is highly serious, and the scale in the pipeline is as hard as a stone, and the scale increases year by year, and the scale is as thick as 60 mm before installing the device of this embodiment.

[0051] The applied water flow pipe 26 is a carbon steel pipe with an inner diameter of DN250 mm and a wall thickness of 10 mm.

[0052] Select 30 rectangular ferrite bar cores 19 with a cross-section of 30 mm*10 mm and a length of 100 mm to form an annular ferrite core ring 1, and each ferrite bar core 19 has through holes at both ends 21, the hole distance is 82 mm.

[0053] The working power supply 4 provides 5V TTL level working power and the working power required by the 12 V half-bridge drive module 8, and the oscillation driving power supply 9 provides 100 V DC voltage for the drive transistor pair.

[0054] Microprocessing unit MCU5 ...

Embodiment 2

[0059] This embodiment is used in the circulating cooling water system of a 350 MW unit of a certain electric power group in China.

[0060] The water flow pipeline 26 used is a carbon steel pipe with an inner diameter of DN1800 mm.

[0061] Select 72 cuboid ferrite bar cores 19 with a cross-section of 30 mm*10 mm and a length of 100 mm to form an annular ferrite core ring 1, and each ferrite bar core 19 has through holes at both ends 21, hole pitch 82 mm.

[0062] The working power supply 4 provides 5V TTL level working power supply and the working power required by the 12 V half-bridge drive module 8, and the oscillation driving power supply 9 provides 300 V DC voltage for the drive transistor pair.

[0063] Microprocessing unit MCU 5 uses random square wave pulse sequence shaping and output circuit 6 to randomly generate pulse square wave sequence 7 based on random algorithm, each pulse square wave contains adjustable high level and low level duty cycle, pulse square wave ...

Embodiment 3

[0068] This embodiment is used in the circulating cooling water system of a vinegar company in China.

[0069] The water flow pipeline 26 used is a carbon steel pipe with an inner diameter of DN150 mm.

[0070] Select 8 rectangular ferrite bar cores 19 with a cross-section of 30 mm*10 mm and a length of 100 mm to form an annular ferrite core ring 1, and each ferrite bar core 19 has through holes at both ends 21, the hole distance is 82 mm.

[0071] The working power supply 4 provides 5V TTL level working power supply and the working power required by the 12 V half-bridge driving module 8, and the oscillation driving power supply 9 provides 72 V DC voltage for the driving transistor pair.

[0072] Microprocessing unit MCU5 uses random square wave pulse sequence shaping and output circuit 6 to randomly generate pulse square wave sequence 7 based on random algorithm, each pulse square wave contains adjustable high level and low level duty cycle, pulse square wave time Width T ...

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Abstract

The invention provides a scale inhibition and removal device based on random pulse sequence alternating electromagnetic field. The device comprises: a ferrite magnetic core ring for forming an annularmagnetic circuit; an exciting coil that is wound on the ferrite magnetic core ring and is used for excitation to generate an alternating magnetic field; a detection coil that is wound on the ferritemagnetic core ring and is used for detecting oscillation information; and an alternating electromagnetic field working circuit and an alternating electromagnetic field driving circuit for generating random pulse sequence; wherein the exciting coil connects the alternating electromagnetic field driving circuit, and the alternating electromagnetic field driving circuit is connected to the detectioncoil and the alternating electromagnetic field working circuit. The device provided by the invention has scale inhibition and removal functions, can greatly inhibit the formation and deposition of scale under the comprehensive action of an oscillation attenuation alternating electromagnetic field, has adjustable parameters, does not contain chemical additives, and is green and environment-friendly. Also, the device can adapt to physical scale treatment of different water flow systems, and is suitable for the water treatment technical field of industrial cooling circulating water and industrialand civil water supply and drainage.

Description

technical field [0001] The invention relates to the field of physics, in particular to a scale-resistance and scale-removal treatment technology for the inner wall of a pipeline in a circulating water system, in particular to a scale-resistance and scale-removal device and method based on a random pulse sequence alternating electromagnetic field. Background technique [0002] Scale is a very common phenomenon. Its main components are calcium carbonate, magnesium carbonate, calcium sulfate and other insoluble salts. It exists in nature, daily life and various industrial production processes, especially in industrial cooling circulating water, In industrial and civil water supply and drainage systems, scale is easily formed on the inner wall of the water flow system pipes, which affects the normal production. So the scale needs to be dealt with. [0003] Scale treatment can be divided into chemical treatment and physical treatment. Chemical treatment is currently the main me...

Claims

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Application Information

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IPC IPC(8): C02F1/48C02F5/00
CPCC02F1/487C02F5/00C02F2201/483
Inventor 张义邴沈志昌向峻
Owner 上海万森低碳科技有限公司
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