CN109368818A - Electromagnetic scale inhibition and scale removal device and evaporation system - Google Patents

Electromagnetic scale inhibition and scale removal device and evaporation system Download PDF

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Publication number
CN109368818A
CN109368818A CN201811464872.8A CN201811464872A CN109368818A CN 109368818 A CN109368818 A CN 109368818A CN 201811464872 A CN201811464872 A CN 201811464872A CN 109368818 A CN109368818 A CN 109368818A
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China
Prior art keywords
magnetic field
scale
cooling
induction coil
electromagnetic induction
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CN201811464872.8A
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Inventor
张化福
张振涛
杨鲁伟
杨俊玲
张钰
越云凯
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Technical Institute of Physics and Chemistry of CAS
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Technical Institute of Physics and Chemistry of CAS
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Application filed by Technical Institute of Physics and Chemistry of CAS filed Critical Technical Institute of Physics and Chemistry of CAS
Priority to CN201811464872.8A priority Critical patent/CN109368818A/en
Publication of CN109368818A publication Critical patent/CN109368818A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D1/00Evaporating
    • B01D1/30Accessories for evaporators ; Constructional details thereof

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)

Abstract

The invention relates to the field of scale inhibition and scale removal, and provides an electromagnetic scale inhibition and scale removal device which comprises an electromagnetic transmitting component and a magnetic field receiving component, wherein the electromagnetic transmitting component comprises an induction power supply and an electromagnetic induction coil, alternating current is introduced into the electromagnetic induction coil by the induction power supply, the electromagnetic induction coil is wound on the magnetic field receiving component, and the electromagnetic induction coil generates an alternating magnetic field with the magnetic field intensity of 5000-50000 gauss. The invention also provides an evaporation system which comprises the electromagnetic scale-inhibiting and scale-removing device. The invention provides an electromagnetic scale-inhibiting and descaling device and an evaporation system, wherein the electromagnetic scale-inhibiting and descaling device can simultaneously inhibit scale and descale in the operation process of equipment, has good magnetism gathering effect, strong scale-inhibiting and descaling capacity, full energy utilization, automatic system monitoring and high safety performance.

Description

Electromagnetism anti-scale descaling device and vapo(u)rization system
Technical field
The present invention relates to anti-scale descaling technical fields, are more particularly to a kind of electromagnetism anti-scale descaling device and evaporation System.
Background technique
Chemical production process includes the processes such as fluid flowing, heat transfer, mass transfer, and the carrying out of chemical process needs chemical industry equipment The problems such as the problems such as cooperation, chemical industry equipment longtime running is easy to appear fouling, blocking, fouling, blocking, not only influences the fortune of equipment Line efficiency, there is also security risks.
Equipment scaling refers to the gradually crystallization or vigorous attached and accumulate on the surface contacted therewith of component in fluid or impurity The one layer of solid matter tired out, wherein Heat Exchanger Fouling is widely present in various diabatic processes.
Show the dirt for all having different degrees of according to heat transfers various types of in industrial production, the investigation of heat exchange equipment Dirty problem.The fouling of heat exchange surface is a production problem very serious, it affects the rational design and just of heat exchange equipment Often operation.Dirt on heat exchanger heat transfer face exists usually in the form of solid mixt, is the non-conductor of heat, thermally conductive system Number is low, seriously affects the heat exchange efficiency of equipment.
Crystallization or fouling not only deteriorate the heat transfer property of heat exchange equipment on heat-transfer surface, increase the consumption of metal material, and And schmutzband thicken after reduce the actual internal area of fluid, increase fluid resistance, the power of the pump or fan of trandfer fluid Also it increases with it, increases the energy consumption of equipment operation.
In addition, on heat-transfer surface dirt aggregation, can usually cause local heating uneven and mechanical performance is caused to decline, cause Accident can also cause the local corrosion of heat-transfer surface even to be perforated, seriously threaten the safe operation of chemical industry equipment.
The rate of evaporation process especially in diabatic process, evaporation process is mainly controlled by rate of heat transfer, how to be kept The high heat transfer rate of evaporation process is the key that evaporator design and evaporation operation.In the actual production process, evaporator changes Hot spot often due to the formation of dirt and be greatly reduced production efficiency, the cleaning equipment that must stop production sometimes can just make to produce extensive It is multiple normal, great inconvenience is brought to production, while energy consumption, equipment capacity decline, production cost being caused to rise.
Existing apparatus for eliminating sludge, although having in such a way that electromagnetic coil carries out scale removal, existing electromagnetic coil is removed Dirty method is powered using general AC electricity and generates the weaker low-intensity magnetic field of magnetic field strength, poor, fluid magnetic effect that there are poly- magnetic effects The heat that difference, the energy consumption of electromagnetic coil are high, electromagnetic coil generates cannot be utilized rationally, the magnetic field regulation process of electromagnetic coil is multiple It is miscellaneous, be applicable in liquid scope it is limited the problems such as.
Summary of the invention
(1) technical problems to be solved
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies: (1) magnetic field strength It is weak, the problems such as poly- magnetic effect is poor, anti-scale descaling effect is poor, especially evaporation equipment can not anti-scale descaling the problem of;(2) equipment is clear It washes frequently, cleaning is many and diverse, cleans the problems such as at high cost;(3) scale removal process energy consumption is high, system heat exchange efficiency is low;(4) system It monitors not perfect.
The object of the present invention is to provide one kind in equipment running process can scale inhibition and scale removal simultaneously, poly- magnetic effect it is good, Anti-scale descaling ability is strong, energy makes full use of, system monitors automatically, improving system heat exchange efficiency, security performance, high electromagnetism hinders Dirty apparatus for eliminating sludge and vapo(u)rization system.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of electromagnetism anti-scale descaling devices, including Electromagnetic Launching component With magnetic field receiving unit, the Electromagnetic Launching component includes induction power supply and electromagnetic induction coil, and the induction power supply is described Electromagnetic induction coil is passed through alternating current, and the electromagnetic induction coil is wrapped on the magnetic field receiving unit, the electromagnetic induction Coil generates magnetic field strength in the alternating magnetic field of 5000-50000 Gauss.
Preferably, the alternating current that frequency range is 2000Hz-20000Hz is passed through in the electromagnetic induction coil.
In above-mentioned any scheme preferably, the magnetic field receiving unit includes poly- magnetic tube core, the poly- magnetic tube in-core It is placed in fluid-transporting tubing.
In above-mentioned any scheme preferably, the magnetic field receiving unit further includes die support frame, the tube core branch Support connects with the inner surface of the outer surface of the poly- magnetic tube core and the fluid-transporting tubing respectively.
In above-mentioned any scheme preferably, the poly- magnetic tube core is set as solid cylinder, the poly- magnetic tube core with it is described Fluid-transporting tubing is coaxial.
In above-mentioned any scheme preferably, the fluid-transporting tubing is equipped with pipe insulating layer, and the fluid is defeated The non-conducting material for sending pipeline to be set as corrosion-and high-temp-resistant.
In above-mentioned any scheme preferably, the electromagnetic induction coil is set as hollow structure, the electromagnetic induction line Circle is connected to cooling recirculation system.
In above-mentioned any scheme preferably, the electromagnetic induction coil is set as helix tube, the electromagnetic induction coil Circle square be set as equal circles square or circle square is gradually increased along current entry end to electricity outlet end.
In above-mentioned any scheme preferably, sealing thermal insulation cover, the electromagnetism are arranged on the magnetic field receiving unit Induction coil is set between the magnetic field receiving unit and the sealing thermal insulation cover.
In above-mentioned any scheme preferably, vacuum is formed between the sealing thermal insulation cover and the magnetic field receiving unit State.
In above-mentioned any scheme preferably, vacuum suction apparatus is connected on the sealing thermal insulation cover.
In above-mentioned any scheme preferably, the cooling recirculation system includes cooling circulation water tank, and the cooling follows The cooling water outlet of ring water tank is connected with the cooling water inlet of the induction power supply, the cooling water outlet of the induction power supply with The cooling water inlet of the cooling circulation water tank is connected.
In above-mentioned any scheme preferably, heat exchange coil is equipped in the cooling circulation water tank.
In above-mentioned any scheme preferably, further include control cabinet, first pressure sensing is connected on the control cabinet Device, the first temperature sensor and first flow sensor, first pressure sensor measure the outlet pressure of the cooling recirculation system Power, the outlet temperature of cooling recirculation system described in first temperature sensor measurement, the first flow sensor measurement institute State the rate of discharge of cooling recirculation system.
In above-mentioned any scheme preferably, it is also connected with second temperature sensor on the control cabinet, described second The wall surface temperature of temperature sensor measurement fluid-transporting tubing.
In above-mentioned any scheme preferably, the induction power supply includes that rectifier, filter, inverter and frequency modulation become Depressor, rectifier, filter, inverter and frequency regulating transformer are sequentially connected, and the rectifier accesses AC power source, the induction Power supply connect to form closed circuit with the electromagnetic induction coil.
The present invention also provides a kind of vapo(u)rization systems, including the electromagnetism anti-scale descaling device.
Preferably, the electromagnetism anti-scale descaling device is connected on the vaporization cycle pipeline of evaporator.
In above-mentioned any scheme preferably, including evaporator and separator, the evaporator and the separator it Between be equipped with circulation line, the electromagnetism anti-scale descaling device is connected on the circulation line.
It in above-mentioned any scheme preferably, further include evaporator, separator, steam washer, vapour compression machine, height Warm condensate water pot, condensation water preheater, cryogenic condensation water collecting tank and electromagnetism anti-scale descaling device, the material of the evaporator into Water preheater is condensed described in mouth piping connection, the material outlet pipeline of the evaporator connects the separator, the separator Material outlet pipeline connection steaming device import, the outlet of the steaming device connects the vapour compression machine Import, the outlet of the vapour compression machine connects the steam inlet of the evaporator, and the high temperature condensate liquid of the evaporator goes out Mouth connects the high-temperature condensation water tank, and the high temperature condensate outlet of the high-temperature condensation water tank connects the condensation water preheater, Low temperature cold condensate outlet on the condensation water preheater connects the cryogenic condensation water collecting tank, the separator and the steaming Circulation line is connected between hair device.
(3) beneficial effect
Compared with prior art, the invention has the following advantages that
(1) the strong alternating magnetic field generated by the medium/high frequency power of 2000Hz-20000Hz and electromagnetic induction coil cooperation, Material in fluid delivery pipeline is magnetized, and using magnetic fields, to carry out scale inhibition and scale removal, power consumption is small, scale removal resistance Dirt is high-efficient, effectively improves evaporator heat exchange performance, while realizing the heating to evaporator medium, plays evaporator concurrent heating function Can, and pernicious gas, environment-friendly and green will not be generated;
(2) poly- magnetic tube core is set in fluid-transporting tubing, carries out magnetically attractive, guide in fluid-transporting tubing Distribution of Magnetic Field to Pipeline center is mobile, optimizes the magnetic efficiency to fluid;
(3) electromagnetic induction coil is set as cored screw pipe, and is connected with cooling recirculation system, to electromagnetic induction coil into The secondary use of row heat exchange cooling and heat;
(4) sealing thermal insulation cover carries out vacuum sealing protection to electromagnetic induction coil, reduces electromagnetic induction coil and fluid is defeated The heat loss for sending pipeline makes full use of heat, while also playing buffer action to magnetic field, reduces the divergence loss in magnetic field;
(5) pump valve and sensor are all connected to control cabinet, control cabinet to the operating parameter of system carry out remote adjustment and Monitoring;
(6) device can be applied in a variety of pipe-line systems, the MVR evaporator system being especially adapted for use in evaporator system System improves the heat exchange efficiency of system, reduces failure rate.
Electromagnetism anti-scale descaling device provided by the invention and vapo(u)rization system are described further in conjunction with the following drawings.
Detailed description of the invention
Fig. 1 is the overall structure diagram of electromagnetism anti-scale descaling device of the present invention;
Fig. 2 is the structural schematic diagram of electromagnetism anti-scale descaling device of the present invention;
Fig. 3 is the structural schematic diagram of the circle square same state of the electromagnetic induction coil of electromagnetism anti-scale descaling device of the present invention;
Fig. 4 is the structural schematic diagram of the circle square different conditions of the electromagnetic induction coil of electromagnetism anti-scale descaling device of the present invention;
Fig. 5 is the overall structure diagram of vapo(u)rization system of the present invention;
In figure, 1, poly- magnetic tube core;2, fluid-transporting tubing;3, pipe insulating layer;4, electromagnetic induction coil;5, sealing thermal insulation Cover;6, electrically operated valve;7, cooling water pump;8, cooling circulation water tank;9, blowoff line;10, heat exchange coil;11, control cabinet;12, First pressure sensor;13, the first temperature sensor;14, first flow sensor;15, the first liquid level sensor;16, incude Power supply;17, second temperature sensor;18, transformer;19, inverter;20, filter;21, rectifier;22, evaporator;23, Separator;24, steam washer;25, vapour compression machine;26, high-temperature condensation water tank;27, preheater;28, condensation water collection tank; 29, electromagnetism anti-scale descaling device.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below Example is not intended to limit the scope of the invention for illustrating the present invention.
In conjunction with shown in Fig. 1-5, the electromagnetism anti-scale descaling device of the present embodiment, including Electromagnetic Launching component and magnetic field reception group Part, Electromagnetic Launching component include induction power supply 16 and electromagnetic induction coil 4, and induction power supply 16 is that electromagnetic induction coil 4 is passed through friendship Galvanic electricity, electromagnetic induction coil 4 are wrapped on the receiving unit of magnetic field, and it is 5000- that electromagnetic induction coil 4, which generates magnetic field strength range, The alternating magnetic field of 50000 Gausses.
Specifically, the fluid in Electromagnetic Launching component and magnetic field receiving unit cooperation fluid delivery pipeline 2 is magnetized, Become the fluid in fluid-transporting tubing 2 with magnetic magnetized state fluid.Wherein, induction power supply 16 is by common power frequency 50Hz alternating current is converted into power supply conversion or the generating device of thousands of or even tens of thousands of Hz, and electromagnetic induction coil 4 is by medium/high frequency Heavy current is converted into high-intensity magnetic field, and magnetic field strength is about 5000-50000 Gauss, and magnetic field strength raising increases the magnetization of fluid By force, facilitate fluid flowing, so reduce in fluid impurity gathered on the wall surface of pipeline and the problem of fouling.
Wherein, the frequency of induction power supply is adjusted according to actual needs, frequency range according to true field distributed effect and It is fixed.
Preferably, induction power supply 16 is the medium/high frequency electricity that electromagnetic induction coil 4 is passed through that frequency is 2000Hz-20000Hz Source, to generate the magnetic field strength for meeting equipment needs.
Using 4 mode of electromagnetic induction coil is wound outside the pipe of fluid-transporting tubing 2, using electromagnetic induction principle, generate strong The material medium for flowing through fluid-transporting tubing 2 is magnetized, and then magnetizing fluid is brought into pipeline by alternating magnetic field, is realized to dirt Scale effect is played in the cleaning of layer, and can work in real time to medium in pipeline, and power consumption is small, and descaling, and blocking scaling is high-efficient, The heat transfer property of pipeline is effectively improved, and pernicious gas, environment-friendly and green will not be generated.
Common fluid has broken through " micel " of original connection after magnetic fields, it is made to become single vibrant Hydrone, the infiltration solvability of magnetizing fluid is strong, the fluid through magnetization treatment, infiltration solvability it is more obvious than Natural Water It improves, the dirty layer adhered in pipeline can be effectively removed.
The present embodiment is applicable not only to common circulating water, applies also for high-concentration waste water, prevents in fluid impurity in pipeline Interior fouling guarantees the unobstructed of pipeline.
When the magnetic line of force is vertical with fluid flow rate, fluid molecule can magnetization modification, especially, through high-intensity magnetic field treated moisture Son, hydrogen-oxygen angle can reduce, and hydrone radius becomes smaller, and can break up, refine large-scale water clusters, become several small point of groups, and And through the magnetized water of high-intensity magnetic field, the polarity and activity of hydrone are increased, reduction in surface tension, to salt solubility and osmotic pressure It improves, solid matter wetting capacity is enhanced.The fluid molecule being magnetized is a small magnet, general since opposite pole is attracting Logical fluid molecule is magnetized, and is connected to huge magnetization micel, promotes fluid flowing in pipeline, solves scale problems.
Further, referring to figs. 1 and 2, magnetic field receiving unit includes poly- magnetic tube core 1, and poly- magnetic tube core 1 is built in stream Body conveyance conduit 2 has the function of magnetically attractive, guides Distribution of Magnetic Field in fluid-transporting tubing 2 mobile to pipeline center, reduces magnetic field Diverging and loss realize the magnetization of the fluid media (medium) of flowing through pipe so as to fluid uniform magnetization in fluid delivery pipeline 2 Effect.
Magnetic field receiving unit further includes die support frame, and die support frame is used to fix poly- magnetic tube core 1 and fluid delivery tube Road 2, die support frame connect with the inner surface of the outer surface of poly- magnetic tube core 1 and fluid-transporting tubing 2 respectively.Die support frame with Poly- magnetic tube core 1, fluid-transporting tubing 2 can be fixedly connected or be detachably connected, and such as clamping is threadedly coupled or welds, detachably Connection type replacement easy to disassemble, easy access and maintenance, fixed connection structure stability are strong.Die support frame can be set to Triangular supports connect the structure of internal and external screw thread connector, and the both ends of poly- magnetic tube core 1 are fixed on to the inner wall of fluid-transporting tubing 2 On.
Poly- magnetic tube core 1 is set as solid cylinder, and poly- magnetic tube core 1 and fluid-transporting tubing 2 are coaxial, i.e., poly- magnetic tube core 1 is mounted on The purpose for attracting and being evenly distributed with magnetic field is played at 2 center of fluid-transporting tubing.The material of poly- magnetic tube core 1 can be corrosion-resistant, high temperature resistant Solid stainless steel material, be also possible to good conductivity, corrosion resistant other materials.In fluid-transporting tubing 2, poly- magnetic tube core 1 is set as the homogenizing that cylindrical material is convenient for magnetic field, good absorption effect of the solid material to magnetic field.
There are prepsetting gaps between fluid-transporting tubing 2 and electromagnetic induction coil 4, prevent fluid-transporting tubing 2 and electromagnetism The contact of induction coil 4 leads to short circuit, while realizing the matching of EM induction system.
Fluid-transporting tubing 2 is equipped with pipe insulating layer 3, and pipe insulating layer 3 is clipped in electromagnetic induction coil 4 and fluid conveying Between pipeline 2, play the role of also acting as isolating pad shield electromagnetic induction coil 4 to pipe insulation.3 material of pipe insulating layer Material can select fireproofing and heat resistant material, such as heat-preservation cotton.
Specifically, the prepsetting gap position between fluid-transporting tubing 2 and electromagnetic induction coil 4 is arranged in pipe insulating layer 3 It sets, prepsetting gap can be 2mm-5mm, avoid scattering and disappearing for 2 heat of fluid-transporting tubing.
Fluid-transporting tubing 2 is set as the non-conducting material of corrosion-and high-temp-resistant, and can be quartz glass or other has Equal performance material.Electromagnetic induction coil 4 is spirally wound on the pipe insulating layer 3 of fluid-transporting tubing 2, electromagnetic induction coil 4 diameter according to fluid-transporting tubing 2 actual demand and make.
Wherein, fluid-transporting tubing 2 can be mutually butted with the pipeline in equipment, and the device of the present embodiment is connected to pipe On road, docking mode can be the multiple structural forms such as threaded connection, flanged joint.
Further, as shown in Figure 1, the device of the present embodiment is additionally provided with cooling recirculation system, electromagnetic induction coil 4 is set as Hollow structure, electromagnetic induction coil 4 are connected to cooling recirculation system, are passed through cooling cycle system in hollow electromagnetic induction coil 4 Cooling fluid in system, cooling fluid exchange heat with electromagnetic induction coil 4, and cooling fluid absorbs the heat of electromagnetic induction coil 4 Amount, and cooling fluid flows in cooling recirculation system, and the recycle heat in cooling fluid is utilized, and cooling recirculation system rises To the effect to cool down to electromagnetic induction coil 4, thermal losses was prevented, electromagnetic induction coil 4 is protected, heat is also subjected to secondary benefit With raising energy utilization rate economizes on resources.
Cooling recirculation system includes cooling circulation water tank 8, cooling water outlet and the induction power supply 16 of cooling circulation water tank 8 Cooling water inlet is connected, and the cooling water outlet of induction power supply 16 is connected with the cooling water inlet of cooling circulation water tank 8, cooling Water flows through induction power supply 16 and electromagnetic induction coil 4 flows back into cooling circulation water tank 8, is induction power supply 16 and electromagnetic induction coil 4 cool.
Specifically, cooling pipe is arranged inside induction power supply 16, electromagnetic induction coil 4 is air core coil;Cooling circulating water The cooling water outlet of case 8 is connected with the water inlet of the cooling pipe of induction power supply 16, and cooling water is cold by induction power supply 16 But pipeline and electromagnetic induction coil 4 flow to the cooling pipe outlet of induction power supply 16, the cooling pipe outlet of induction power supply 16 It is connected with the cooling water inlet of cooling circulation water tank 8.
Heat exchange coil 10 is equipped in cooling circulation water tank 8, heat exchange coil 10 is the heat exchange being wrapped in cooling circulation water tank 8 Metal coil pipe, inside are passed through cold conditions material, realize the recuperation of heat to cooling circulation water tank 8, the heat of cooling water is held It is continuous to recycle.Specifically, heat exchange coil 10 can be made by stainless steel, pipe hot coil specification according to specific device size and It is fixed.
Cooling water pump 7 is additionally provided in cooling recirculation system, the cooling water that cooling circulation water tank 8 is arranged in cooling water pump 7 goes out Between mouth and the cooling water inlet of induction power supply 16, for regulating and controlling the flow regime of cooling water.
Electrically operated valve 6 is additionally provided in cooling recirculation system, the aperture of electrically operated valve 6 is adjustable, and electrically operated valve 6 is connected to control Cabinet 11 processed, control cabinet 11 being capable of remote adjustment electrically operated valves 6 as needed.
Specifically, cooling circulation water tank 8 can cooling line that is independently installed and passing through connecting line and induction power supply 16 Connection, cooling circulation water tank 8 may be mounted at the bottom, cooling circulation water tank 8 can be processed by ordinary carbon steel Q235-A and At inner surface plates stainless steel 0Cr18Ni9;Cooling pipe on induction power supply 16 spiral can be then wrapped in it Portion needs the outer wall of cooling element.For example, cooling pipe can be ambroin pipe, the water outlet of cooling circulation water tank 8 with It can be connected by PVC steel wire tube between the water inlet of cooling pipe inside induction power supply 16.It is connected on cooling circulation water tank 8 There is blowoff line 9.
Electromagnetic induction coil 4 is set as cored screw pipe, and the electromagnetic induction coil 4 of cored screw pipe is wrapped in magnetic field reception group On part, keep Distribution of Magnetic Field uniform.In conjunction with shown in Fig. 3 and Fig. 4, the material of electromagnetic induction coil 4 can be red copper, electromagnetic induction line Circle square and circle square distribution branch office's actual conditions of circle 4 are made, and the circle square of electromagnetic induction coil 4 is set as waiting circles square or along entrance It holds to outlet end and is gradually increased, it can be sparse circle square distribution, be also possible to intensive circle square distribution or preceding close rear thin change The distribution of circle square, waits the cored screw pipe of circles square to facilitate processing, processing cost is low.When wherein becoming the distribution of circle square, preferably circle square edge Current entry end is gradually increased to electricity outlet end, is reduced the heat accumulation of outlet end, is met Distribution of Magnetic Field and heat-transfer character.
Wherein, it is round or rectangle air core coil that electromagnetic induction coil 4, which can be set to cross section,.
Further, sealing thermal insulation cover 5 is arranged on the receiving unit of magnetic field, electromagnetic induction coil 4 is set to magnetic field reception Between component and sealing thermal insulation cover 5, sealing thermal insulation cover 5 is sealed protection to electromagnetic induction coil 4, reduces electromagnetic induction coil 4 with the heat loss of fluid-transporting tubing 2, make full use of heat, while buffer action also is played to magnetic field, reduce the hair in magnetic field Dissipate loss.
Preferably, vacuum state, the heat transfer coefficient of vacuum state are formed between sealing thermal insulation cover 5 and magnetic field receiving unit It is low, further decrease heat loss, meanwhile, vacuum state can effective protection electromagnetic induction coil 4 and magnetic field receiving unit, subtract Interference of the small external condition to electromagnetic induction coil 4.
Specifically, being connected with vacuum suction apparatus on sealing thermal insulation cover 5, vacuum suction apparatus can select vacuum pump, behaviour It is convenient, at low cost to make.Sealing protective is set as metal material and is processed by shot blasting, realizes the dual mesh of armoured magnetic field and heat preservation 's.
Sealing thermal insulation cover 5 is set as the internal stainless steel cylinder polished, electromagnetic induction coil 4 is completely cut off closed at one Space, 5 surface of sealing thermal insulation cover offer aperture, and aperture is connect with external vacuum pump, realize and extract out to internal air, sealing Insulation cover 5 plays the dual purpose of armoured magnetic field and heat preservation.
Further, this implementation further includes control cabinet 11, and first pressure sensor 12, first is connected on control cabinet 11 Temperature sensor 13 and first flow sensor 14, first pressure sensor 12 measure the outlet pressure of cooling recirculation system, the One temperature sensor 13 measures the outlet temperature of cooling recirculation system, and first flow sensor 14 measures going out for cooling recirculation system Mouthful flow, is monitored the temperature, pressure, flow of cooling recirculation system, so as to the flow regime to cooling recirculation system into Row is adjusted.
Control cabinet 11 according to the pressure information, temperature information and flow information of the water outlet of the cooling circulation water tank 8 received, The water delivery pressure or water delivery temperature or water delivery flow of the water outlet of adjusting cooling circulation water tank 8.
Specifically, PLC control system is equipped in control cabinet 11, the electrically operated valve 6 and cooling water pump 7 on cooling recirculation system It is both connected in PLC control system, PLC control system is built-in with PID control program, to the work of various pieces in device operation Skill parameter carries out real-time monitoring and intelligent control, so that the control of the device is more flexible, so that worked between each section Journey is cooperatively coupled to one another, improves the reliability of the device.
PLC control system is acquired analysis to detection information, for control cooling circulation water tank 8 water outlet pressure, Temperature and flow realize that the stabilization of cooling water is accurately supplied;Control cabinet 11 is connect with cooling water pump 7, is held for providing for system Continuous stabilized zone pressure cooling water;Control cabinet 11 is connect with electrically operated valve 6, realizes the quick cutting to cooling water, reduces artificial behaviour Make, realizes and automatically control;Control cabinet 11 connect the power frequency of control induction power supply 16 with induction power supply 16;Control cabinet 11 and One liquid level sensor 15 is connected, for detecting the variation of condensation water tank fluid level condition, it is ensured that liquid level is fluctuated in a certain range, according to inspection The liquid level information of survey is realized and supplements the cooling water in cooling circulation water tank 8 and discharge.
Cooling water pump 7 is connect with control cabinet 11, and cooling water pump 7 is automatically turned on when booting;Electrically operated valve 6 and control cabinet 11 connect It connects, when booting automatically turns on motor-driven valve;Under the action of cooling water pump 7, cooling water in cooling circulation water tank 8 is from cooling cycle The water outlet of water tank 8 flows out, and flows through cooling water pump 7, electrically operated valve 6, then followed by induction power supply 16 and electromagnetic induction coil 4, it is transmitted back to cooling circulation water tank 8 later, completes a hydronic process.
Second temperature sensor 17 is also connected on control cabinet 11, second temperature sensor 17 measures fluid-transporting tubing 2 Wall surface temperature find the problem in time to understand the state of fluid-transporting tubing 2.Control cabinet 11 and second temperature sensor 17 are connected, and for detecting the temperature conditions in electromagnetic induction coil 4, after temperature exceeds setting value, control cabinet 11 should be made immediately Reaction controls to adjust the 22 system circulation pipeline vaporization cycle flow quantity of frequency and/or evaporator of induction power supply 16, defeated to fluid It send the wall surface temperature of pipeline 2 to be monitored, increases the aperture of electrically operated valve 6, improve the water supply of cooling water.
First liquid level sensor 15 is set on cooling circulation water tank 8, the first liquid level sensor 15 is connected to control cabinet 11, the The liquid level information for the liquid in cooling circulation water tank 8 that one liquid level sensor 15 will test feeds back to control cabinet 11, control cabinet 11 The amount of liquid in cooling circulation water tank 8 is adjusted according to the liquid level information of the liquid in the cooling circulation water tank 8 received.
Control cabinet 11 realizes the information collection to each sensor, realizes chain, feedback according to the control logic write, protects Protective function.
As shown in Fig. 2, induction power supply 16 is the power supply that common power frequency 50Hz alternating current is converted into thousands of or even tens of thousands of Hz Conversion or generating device, specifically, induction power supply 16 includes rectifier 21, filter 20, inverter 19 and frequency regulating transformer 18, Rectifier 21, filter 20, inverter 19 and frequency regulating transformer 18 are sequentially connected, and rectifier 21 accesses AC power source, induced electricity Source 16 connect to form closed circuit with electromagnetic induction coil 4, closed circuit refer to the positive and negative anodes of induction power supply respectively with induction The both ends of coil connect, and guarantee that electric current passes through coil.
Rectifier 21 accesses industrial-frequency alternating current, and industrial-frequency alternating current handles the direct current pulsed, pulsation by rectifier 21 Direct current flow into filter 20, the processing of filter 20 obtains stable direct current, and stable direct current flows into inverter 19, inverse Become the processing of device 19 and obtain alternating current, alternating current flows into frequency regulating transformer 18, and the processing of frequency regulating transformer 18 obtains frequency-changing AC electricity, real Now the frequency of power supply is adjusted, in order to provide the power supply of medium/high frequency.
The present embodiment can be applied on the fluid-transporting tubing 2 of a variety of chemical industry operation units, carry out magnetization anti-scale descaling Process, the magnetization anti-scale descaling being particularly suitable on the circulation line of evaporator 22.Specifically, the device of the present embodiment is mounted on The circulating line of evaporator 22 is passed through vaporization cycle liquid in circulating line, i.e., is passed through vaporization cycle liquid in fluid-transporting tubing 2, Vaporization cycle liquid magnetizes in fluid-transporting tubing 2 and in 22 internal circulation flow of evaporator, to realize fluid magnetic in evaporator 22 Change, realizes the magnetization anti-scale descaling process of entire evaporator 22 and vapo(u)rization system.
In conjunction with shown in Fig. 1-5, the vapo(u)rization system of the present embodiment, including any one of the above electromagnetism anti-scale descaling device 29, Electromagnetism anti-scale descaling device 29 can connect on any one pipeline of vapo(u)rization system, carry out magnetic to the fluid in vapo(u)rization system Change anti-scale descaling process.
The embodiment one of vapo(u)rization system:
The vapo(u)rization system of the present embodiment includes evaporator 22, and electromagnetism anti-scale descaling device 29 is connected to the evaporation of evaporator 22 On circulation line, inlet ductwork or export pipeline, in the inlet ductwork of evaporator 22 or export pipeline to vaporization cycle liquid into Row magnetization can have the function that magnetize anti-scale descaling.
The fluid in heat exchange coil 10 in the cooling circulation water tank 8 of cooling recirculation system, is preferably supplied to evaporator Material in 22 realizes the effect to cooling water temperature, while realizing the preheating to material, recycles cooling water heat, improves heat Efficiency.
The fluid flow of the vaporization cycle pipeline of evaporator 22 is big, and electromagnetism anti-scale descaling device 29 is connected to vaporization cycle The fluid flowed back into evaporator 22 can sufficiently be magnetized on pipeline, and then the magnetizing fluid of vaporization cycle pipeline magnetizes import Pipeline is directly entered the fluid of evaporator 22.The installation site of electromagnetism anti-scale descaling device will affect anti-scale descaling effect, electromagnetism Anti-scale descaling device is mounted on vaporization cycle pipeline, promotes the anti-scale descaling effect of vapo(u)rization system;And electromagnetism anti-scale descaling The heat that device generates during electric magnetisation is recycled by cooling recirculation system, the evaporation of assisted evaporative system Diabatic process.
The embodiment two of vapo(u)rization system:
The difference is that, further include separator 23 with embodiment one, is equipped with and follows between evaporator 22 and separator 23 Endless tube road, electromagnetism anti-scale descaling device 29 are connected on circulation line.Gas-liquid mixture in evaporator 22 flows into separator 23 In, the gas isolated in separator 23 is utilized, and the liquid that separator 23 is isolated flows back into evaporator along circulation line In 22, electromagnetism anti-scale descaling device 29 is mounted on the circulation line between evaporator 22 and separator 23, in circulation line Fluid flow is big, can sufficiently magnetize to the fluid of vapo(u)rization system.
The embodiment three of vapo(u)rization system:
It the difference is that, further include separator 23, steam washer 24, steam as shown in connection with fig. 5 with embodiment one Compressor 25, high-temperature condensation water tank 26, condensation water preheater 27, cryogenic condensation water collecting tank 28 and electromagnetism anti-scale descaling device 29。
Specifically, raw material initially enters condensation water preheater 27, absorbs high-temperature condensation water waste heat, enters evaporator later 22, become stream-liquid two-phase flow after heating and enter separator 23, isolated secondary steam obtains after the processing of steam washer 24 To purification, purified steam enters vapour compression machine 25, carries out compression and heats pressurization, enters the shell-side of evaporator 22 later, Condensed water is expelled to high-temperature condensation water tank 26 by the shell-side bottom of evaporator 22 after heat exchange, is expelled to after buffering cold Condensate preheater 27, feeds with cold conditions and carries out heat exchange, and cryogenic condensation water flows out to cryogenic condensation water collecting tank 28.Through separator 23 concentrates isolated are back to evaporator 22 through vaporization cycle pipe, realize that circulating-heating evaporates and are further concentrated, electricity Magnetic resistance dirt apparatus for eliminating sludge 29 is mounted on vaporization cycle pipe, realizes that reaching makes to evaporate to the magnetization treatment of material in evaporator 22 The purpose of 22 anti-scale descaling of device, while realizing the heating to 22 medium of evaporator, play 22 concurrent heating function of evaporator.
The various embodiments of this vapo(u)rization system, are suitably employed in evaporator system, especially in MVR evaporator system, The dirt in pipeline can be effectively removed and prevent to continue fouling in pipeline, fundamentally solve the problems, such as Incrustation of pipe.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, concrete condition can be regarded and understand that above-mentioned term exists Concrete meaning in the present invention.
In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " more ", " multiple groups " be meant that two or It is more than two.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (11)

1. a kind of electromagnetism anti-scale descaling device, which is characterized in that including Electromagnetic Launching component and magnetic field receiving unit, the electromagnetism Emitting module includes induction power supply and electromagnetic induction coil, and the induction power supply is that the electromagnetic induction coil is passed through alternating current, The electromagnetic induction coil is wrapped on the magnetic field receiving unit, and the electromagnetic induction coil generates magnetic field strength in 5000- The alternating magnetic field of 50000 Gausses.
2. electromagnetism anti-scale descaling device according to claim 1, which is characterized in that be passed through frequency in the electromagnetic induction coil Rate range is the alternating current of 2000Hz-20000Hz.
3. electromagnetism anti-scale descaling device according to claim 1, which is characterized in that the magnetic field receiving unit includes poly- magnetic Tube core, the poly- magnetic tube in-core are placed in fluid-transporting tubing, and poly- magnetic tube core is set as solid cylinder, the poly- magnetic tube core and the stream Body conveyance conduit is coaxial.
4. electromagnetism anti-scale descaling device according to claim 3, which is characterized in that the magnetic field receiving unit further includes pipe Core support frame, the die support frame inner surface phase with the outer surface of the poly- magnetic tube core and the fluid-transporting tubing respectively It connects.
5. electromagnetism anti-scale descaling device according to claim 3, which is characterized in that the fluid-transporting tubing is equipped with pipe Road insulating layer, the fluid-transporting tubing are set as the non-conducting material of corrosion-and high-temp-resistant.
6. electromagnetism anti-scale descaling device described in -5 any one according to claim 1, which is characterized in that the electromagnetic induction line Circle is set as cored screw pipe structure, and the circle square of the electromagnetic induction coil is set as equal circles square or circle square along current entry end to electric current Outlet end is gradually increased.
7. electromagnetism anti-scale descaling device according to claim 6, which is characterized in that be arranged on the magnetic field receiving unit Sealing thermal insulation cover, the electromagnetic induction coil is set between the magnetic field receiving unit and the sealing thermal insulation cover, described close It is connected with vacuum suction apparatus on envelope insulation cover, forms vacuum shape between the sealing thermal insulation cover and the magnetic field receiving unit State.
8. electromagnetism anti-scale descaling device according to claim 7, which is characterized in that it further include cooling recirculation system, it is described Cooling recirculation system includes cooling circulation water tank, the cooling of the cooling water outlet of the cooling circulation water tank and the induction power supply Water inlet is connected, and the cooling water outlet of the induction power supply is connected with the cooling water inlet of the cooling circulation water tank, institute It states and is equipped with heat exchange coil in cooling circulation water tank.
9. electromagnetism anti-scale descaling device according to claim 6, which is characterized in that it further include control cabinet, the control cabinet On be connected with first pressure sensor, the first temperature sensor and first flow sensor, described in first pressure sensor measurement The outlet pressure of cooling recirculation system, the outlet temperature of cooling recirculation system described in first temperature sensor measurement are described The rate of discharge of cooling recirculation system described in first flow sensor measurement;Second temperature sensing is also connected on the control cabinet Device, the wall surface temperature of the second temperature sensor measurement fluid-transporting tubing.
10. electromagnetism anti-scale descaling device according to claim 1, which is characterized in that the induction power supply include rectifier, Filter, inverter and frequency regulating transformer, rectifier, filter, inverter and frequency regulating transformer are sequentially connected, the rectifier AC power source is accessed, the induction power supply connect to form closed circuit with the electromagnetic induction coil.
11. a kind of vapo(u)rization system, which is characterized in that filled including electromagnetism anti-scale descaling described in claim 1-10 any one It sets, the electromagnetism anti-scale descaling device is connected on the vaporization cycle pipeline of evaporator.
CN201811464872.8A 2018-12-03 2018-12-03 Electromagnetic scale inhibition and scale removal device and evaporation system Pending CN109368818A (en)

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CN111542145A (en) * 2020-06-19 2020-08-14 上海冰韵机电设备有限公司 High-frequency liquid heating system
CN113432480A (en) * 2021-06-22 2021-09-24 中国科学院广州能源研究所 Heat exchange enhancement type anti-scaling device and method
CN115448421A (en) * 2022-08-05 2022-12-09 中国石油化工股份有限公司 Evaporation pot with built-in electromagnetic device and high-salt-content wastewater evaporation system and method

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Application publication date: 20190222