Electromagnetic scale-inhibiting and descaling device and evaporating system

An electromagnetic and scale-inhibiting technology, applied in evaporator accessories, descaling and water softening, water/sludge/sewage treatment, etc. To achieve the effect of high descaling and anti-scaling efficiency, improving heat exchange efficiency and improving heat exchange performance

Pending Publication Date: 2019-02-22
TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The present invention aims to solve at least one of the technical problems existing in the prior art or related technologies: (1) problems such as weak magnetic field strength, poor magnetic gathering effect, poor scale inhibition and descaling effect, especially the inability of evaporation equipment to prevent scale and descaling (2) Frequent cleaning of equipment, complex cleaning work, high cleaning costs, etc.; (3) High energy consumption during the descaling process and low heat transfer efficiency of the system; (4) Incomplete system monitoring

Method used

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  • Electromagnetic scale-inhibiting and descaling device and evaporating system
  • Electromagnetic scale-inhibiting and descaling device and evaporating system
  • Electromagnetic scale-inhibiting and descaling device and evaporating system

Examples

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Effect test

Embodiment 1

[0091] The evaporation system of this embodiment includes an evaporator 22, and the electromagnetic anti-scaling and descaling device 29 is connected to the evaporation circulation pipeline, inlet pipeline or outlet pipeline of the evaporator 22, and is connected to the inlet pipeline or outlet pipeline of the evaporator 22. Evaporating the circulating fluid for magnetization can achieve the effect of magnetization anti-scaling and descaling.

[0092] The fluid in the heat exchange coil 10 in the cooling circulating water tank 8 of the cooling cycle system is preferably the material supplied to the evaporator 22 to realize the effect of cooling the cooling water, and at the same time realize the preheating of the material and recover the waste heat of the cooling water , improve thermal efficiency.

[0093] The fluid flow rate of the evaporation circulation pipeline of the evaporator 22 is large. Connecting the electromagnetic anti-scaling and descaling device 29 to the evapor...

Embodiment 2

[0095] The difference from Embodiment 1 is that it also includes a separator 23, a circulation pipeline is provided between the evaporator 22 and the separator 23, and an electromagnetic anti-scaling and descaling device 29 is connected to the circulation pipeline. The gas-liquid mixture in the evaporator 22 flows into the separator 23, the gas separated in the separator 23 is utilized, and the liquid separated by the separator 23 flows back into the evaporator 22 along the circulation pipeline, and the electromagnetic anti-scaling and descaling device 29 Installed on the circulation pipeline between the evaporator 22 and the separator 23, the fluid flow in the circulation pipeline is large, which can fully magnetize the fluid in the evaporation system.

Embodiment 3

[0097] The difference from Example 1 is that the combination Figure 5 As shown, it also includes a separator 23 , a steam scrubber 24 , a steam compressor 25 , a high-temperature condensed water tank 26 , a condensed water preheater 27 , a low-temperature condensed water collecting tank 28 , and an electromagnetic anti-scaling and descaling device 29 .

[0098] Specifically, the raw material first enters the condensed water preheater 27, absorbs the waste heat of high-temperature condensed water, and then enters the evaporator 22. After heating, it becomes a vapor-liquid two-phase flow and enters the separator 23. The separated secondary steam passes through the steam scrubber 24 Purified after treatment, the purified steam enters the steam compressor 25 for compression, temperature increase and pressurization, and then enters the shell side of the evaporator 22. After heat exchange, the condensed water is discharged from the bottom of the shell side of the evaporator 22 to hi...

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PUM

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Abstract

The invention relates to the field of scale-inhibiting and descaling, and provides an electromagnetic scale-inhibiting and descaling device. The electromagnetic scale-inhibiting and descaling device comprises an electromagnetic emission assembly and a magnetic field receiving assembly; and the electromagnetic emission assembly comprises an induction power supply and an electromagnetic induction coil, the induction power supply introduces an alternating current into the electromagnetic induction coil, the electromagnetic induction coil is wound around the magnetic field receiving assembly, andthe electromagnetic induction coil generates an alternating magnetic field with the magnetic field strength being 5000-50000 Gaussian. The invention further provides an evaporating system, which comprises the electromagnetic scale-inhibiting and descaling device. According to the electromagnetic scale-inhibiting and descaling device and the evaporating system, in the equipment operation process, scale-inhibiting and descaling can be achieved, the magnetism gathering effect is good, the scale-inhibiting and descaling ability is high, energy is fully utilized, system automatic monitoring is achieved, and safety performance is high.

Description

technical field [0001] The invention relates to the technical field of anti-scaling and descaling, in particular to an electromagnetic anti-scaling and descaling device and an evaporation system. Background technique [0002] The chemical production process includes fluid flow, heat transfer, mass transfer and other processes. The chemical process requires the cooperation of chemical equipment. Long-term operation of chemical equipment is prone to problems such as scaling and clogging. Problems such as scaling and clogging not only affect the operating efficiency of the equipment , there are also security risks. [0003] Equipment fouling refers to a layer of solid matter that gradually crystallizes or adheres to the surface in contact with the components or impurities in the fluid. Among them, the fouling of heat exchange equipment widely exists in various heat transfer processes. [0004] According to the investigation of various types of heat transfer and heat exchange e...

Claims

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Application Information

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IPC IPC(8): C02F5/00B01D1/30
CPCB01D1/30C02F5/00
Inventor 张化福张振涛杨鲁伟杨俊玲张钰越云凯
Owner TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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