CN114506931A - Novel pipeline corrosion and scale inhibition method and device - Google Patents
Novel pipeline corrosion and scale inhibition method and device Download PDFInfo
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- CN114506931A CN114506931A CN202210082995.5A CN202210082995A CN114506931A CN 114506931 A CN114506931 A CN 114506931A CN 202210082995 A CN202210082995 A CN 202210082995A CN 114506931 A CN114506931 A CN 114506931A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/105—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances combined with inorganic substances
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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Abstract
The invention provides a novel pipeline corrosion and scale inhibition method and a novel pipeline corrosion and scale inhibition device, which relate to the technical field of circulating water treatment and comprise the following operation steps: s1: preparation of the nano soft magnetic ferrite with the dendritic network structure, S2: magnetic driving material, S3: and (5) recovering and regenerating the material. The invention can effectively destroy scale inhibition formation, at the same time, attaches a layer of protective film on the inner wall of the pipeline to prevent the corrosion of the pipeline, can inhibit the excessive proliferation of microorganisms in the pipeline, has good corrosion and scale inhibition performance, can recycle used materials, saves economy, has no pollution to the environment, can ensure that the treated circulating cooling water can reach the national emission standard, and is provided with the electromagnetic coil in a limiting way in the plurality of cable limiting frames, thereby ensuring that the electromagnetic coil is more stable in the using process.
Description
Technical Field
The invention relates to the technical field of circulating water treatment, in particular to a novel pipeline corrosion and scale inhibition method and device.
Background
In China, industrial circulating cooling water accounts for more than 70% of industrial water. And because the circulating water is continuously evaporated in the circulating cooling process, the concentration of the salt in the water is continuously increased and exceeds the solubility of certain salts, and precipitation is generated. Common salt precipitates include calcium carbonate, calcium phosphate, magnesium silicate, and other scales. The scale generated by salt deposition is relatively compact in texture, the heat transfer efficiency can be effectively reduced, and the heat transfer coefficient can be reduced by 20% by the thickness of 0.6mm of scale. Meanwhile, organic matters, microbial colonies, secretion, silt, dust and the like in water form scale which is soft in texture, so that the heat transfer efficiency of the equipment is reduced, under-scale corrosion is caused, and the service life of the equipment is shortened.
In order to prevent corrosion and scaling caused by the operation of circulating water under high salt concentration and long period, about 2 percent of water flow in the circulating water is generally directly discharged into the ground surface, which causes a great deal of waste. Currently, water treatment agents are still predominant in cooling water conservation and reuse.
Because the phosphorus water treatment agent has low price and better corrosion and scale inhibition performance, the phosphorus water treatment agent still has larger market share in the water treatment at present. However, the phosphorus water treatment agent causes the industrial discharge water to contain a large amount of phosphorus-containing compounds, thereby causing water eutrophication. Phosphorus prohibition and limitation measures are implemented in a large number of countries and regions. The total phosphorus emission concentration of the European Union, the United states, Japan, and the like is limited to not more than 1.0 mg/L. The discharge standard of pollutants for municipal wastewater treatment plants (GB 18918-2002) in China is also stipulated, and the total phosphorus concentration of the primary discharge standard is less than 1.0 mg/L. After the 90 s of the 20 th century, water treatment agents developed in a direction of being phosphorus-free, easy to recover and environmentally friendly. In recent years, a plurality of phosphorus-free green corrosion and scale inhibitors are appeared, but the corrosion and scale inhibitors are generally weaker in performance and generally higher in price. The requirement of the treatment of the circulating water of the factory can not be met.
Therefore, the development of a novel corrosion and scale inhibition method which can meet the treatment requirement of the circulating water of a factory and simultaneously meet the requirement of environmental protection, has better corrosion and scale inhibition performance and is green and pollution-free is an urgent problem to be solved in the circulating water treatment market in the future.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a novel pipeline corrosion and scale inhibition method and a novel pipeline corrosion and scale inhibition device, which effectively solve the problems in the background art.
(II) technical scheme
In order to achieve the purpose, the invention adopts the technical scheme that:
a novel pipeline corrosion and scale inhibition method comprises the following operation steps:
s1: preparing the soft magnetic ferrite with the dendritic network structure, firstly adding 30-45ml of plant extract into 50-70ml of ferric salt and ferrous salt solution for reduction and precipitation, then adding the mixed solution of ferric salt and ferrous salt into 20g of dendritic network nanometer pore canals, stirring, and removing a template to obtain the soft magnetic ferrite with the dendritic network structure;
the corrosion and scale inhibiting material is compounded by the following components in percentage by weight:
s2: the magnetic driving material generates a magnetic force effect on the dendritic reticular nano soft magnetic ferrite through a spiral magnetic field formed by the spiral electrified conducting wire, and simultaneously, the dendritic reticular nano soft magnetic ferrite is subjected to magnetic forces in different directions at different positions of the pipeline, so that the dendritic reticular nano soft magnetic ferrite generates spiral motion in the pipeline, the formation of scale is damaged, and the scale inhibition effect is achieved;
s3: and (2) recovering and regenerating materials, namely installing an electromagnetic coil at the outlet at the tail end of the circulating cooling water pipeline, collecting the scale inhibitor after water circulation, switching on a power supply, generating a magnetic field by the electromagnetic coil, adsorbing the dendritic mesh-shaped nano soft magnetic ferrite at the outlet at the tail end of the circulating cooling water pipeline, and performing acid dissolution, stirring, adding a plant extracting solution, precipitation and filtration to realize the recovery and regeneration of the nano soft magnetic ferrite.
Preferably, the carbon quantum dots in S1 are special carbon quantum dots which are subjected to an alpha-hydroxy acid treatment reaction and have hydroxyl and carboxyl functional groups introduced to original carbon quantum dots, and the plant extract in S3 is at least one of a mangosteen leaf extract, a black grass leaf extract, a green tea extract and a balsam pear extract.
Preferably, the ferric salt in S1 is at least one of ferric sulfate and ferric chloride, the ferrous salt in S1 is at least one of ferrous sulfate and ferrous chloride, the dendritic-network nanopores in S1 are one of an anodic aluminum oxide film, porous silicon, natural polymer resin, a molecular sieve and a carbon nanotube, the stirring in S1 is to stir the ferric salt, the plant extract and the dendritic-network nanopores at a rotating speed of 3000-.
Preferably, the acid dissolution in S3 is to add 55-75ml of at least one of 35% sulfuric acid solution, hydrochloric acid solution and alpha-hydroxy acid into the collected substance, the stirring in S3 is kept for 1-2h at the rotating speed of 3000-5000r/min, and the plant extract in S3 is to add 30-45ml of at least one of mangosteen leaf extract, nigella sativa leaf extract, green tea extract and balsam pear extract.
Meanwhile, the invention also discloses a novel pipeline corrosion and scale inhibition device, which comprises a device shell and a circulating cooling water pipeline, a connecting component is arranged on one side of the outer part of the device shell, an electric power component is arranged at the bottom end of the device shell close to one side of the connecting component, the upper end and the lower end of the inner wall of the device shell are respectively provided with an upper clamp and a lower clamp and a plate, the periphery of the pipeline of the circulating cooling water pipeline is provided with an electromagnetic coil, the upper end and the lower end of the electromagnetic coil are respectively and electrically connected with a power supply connecting end, the upper card and the plate and the lower card and the plate are respectively and fixedly clamped and matched with the corresponding power supply connecting ends, the power assembly comprises an expansion bracket, a protective shell is fixedly arranged on the upper surface of the expansion bracket, the inside battery mounting groove of having seted up of protecting sheathing, the inside battery that is provided with of battery mounting groove, device shell surface both sides are provided with the extension stationary blade respectively.
As preferred, coupling assembling is including the extension shell, extension shell integration sets up on the device shell surface, the inside cavity of extension shell and with the inside intercommunication of device shell, the inside bottom of extension shell is provided with fixed mounting groove, the inside fixed mounting of fixed mounting groove has cable adapter, cable adapter one end integration is provided with to be connected and inserts the end, the connection inserts the end and runs through the extension shell, cable adapter is located extension shell inside through transmission cable and the power connection end electric connection who corresponds respectively transmission cable periphery is spacing to be provided with protective case, protective case fixed mounting is at extension shell inner wall.
Preferably, the outlet guide ring is integrally arranged at the bottom of the device shell, a plurality of cable limiting frames are integrally arranged on one side of the inner wall of the device shell, and the upper end and the lower end of the inner wall of the device shell are respectively provided with the stable expansion plate.
Preferably, a plurality of electromagnetic coils are arranged in the cable limiting frame in a limiting mode, arc-shaped mounting grooves are formed in the inner sides of the stabilizing expansion plates, mounting rotating rods are fixedly mounted in the arc-shaped mounting grooves, and stabilizing rotating wheels are arranged on the bodies of the mounting rotating rods in a rotating mode.
Preferably, one side of the protective shell is provided with a through hole which is in insertion fit with the connecting and inserting end, the inner wall of the battery mounting groove close to one side of the connecting and inserting end is fixedly provided with a second overturning rod, the body of the second turnover rod is rotatably provided with a receiving matching plate, a connecting through hole is arranged on the receiving matching plate body positioned on one side of the connecting and inserting end in a penetrating way, the receiving matching plate body positioned at the lower end of the connecting through hole is integrally provided with a stable support plate, a storage battery is arranged between the stable support plate and the receiving matching plate body, one side of the storage battery is provided with a battery output end, the battery output end is electrically connected with the connecting insertion end through a connecting through hole, a matching groove is arranged on one side of the receiving matching plate body positioned at the upper end of the connecting through hole, and a return spring is fixedly arranged between the inside of the matching groove and the inner wall of the corresponding battery mounting groove.
As preferred, the draw-in groove has been seted up to protecting sheathing one side upper surface, keeps away from draw-in groove one side protecting sheathing upper surface mounting has the rotation mount pad, rotate between the mount pad and rotate through first trip lever and install sealed upper cover, be close to draw-in groove one side sealed upper cover lower surface integration is provided with the fixture block, carry out buckle cooperation between fixture block and the draw-in groove, sealed upper cover lower surface and the sealed cooperation of battery mounting groove.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention relates to a novel corrosion and scale inhibition method and a novel corrosion and scale inhibition device, which can effectively destroy the formation of scale inhibition, can attach a layer of protective film on the inner wall of a pipeline to prevent the corrosion of the pipeline, can inhibit the excessive proliferation of microorganisms in the pipeline, has good corrosion and scale inhibition performance, can recycle used materials, saves economy, is green and pollution-free to the environment, ensures that the treated circulating cooling water can reach the national emission standard, is provided with an electromagnetic coil in a limiting manner through a plurality of cable limiting frames, ensures that the electromagnetic coil is more stable in the using process, and ensures that each installation rotating rod body is rotatably provided with a stable rotating wheel to ensure that the stable rotating wheel can be matched with the current circulating cooling water pipeline to realize quick installation and use and limit the current circulating cooling water pipeline.
2. Can stabilize the processing to the solenoid junction through coupling assembling, avoid influencing transmission cable's stable connection because of the activity of inside liquid in the use, and then strengthened the intensity of this device when using to can carry out the location on the position to power connection end through host card and board and next card and board, and then make and avoid appearing the activity when using.
3. Can cooperate the change that realizes safe quick battery through electric power component with coupling assembling to electric power component can carry out stable being connected with coupling assembling, thereby avoids this device comparatively loaded down with trivial details problem when changing the battery, thereby avoids appearing if not unifying fixed problem appearance that leads to its effect to receive the influence when using with the battery, improves the stability of this device. The storage battery can be electrically connected with the power supply connecting end by using the transmission cable through the cable adapter, so that the electromagnetic coil can electromagnetically move the internal material, and the dirt on the inner wall of the pipeline can be smashed and cleaned, so that the technical problem can be effectively solved; through with the battery with stabilize the extension board with receive to cooperate between the board body block with, push down afterwards and make the battery shift to in the battery mounting groove to utilize connect through-hole and connect to insert end electric connection through the battery output, carry out stable power transmission when realizing quick installation, wherein through opening sealed upper cover, utilize reset spring cooperation second upset pole, make receive to cooperate the board to drive the battery and overturn, thereby make the battery take out fast.
Drawings
FIG. 1 is a schematic view of the overall structure of a novel pipeline corrosion and scale inhibition device according to the present invention;
FIG. 2 is a schematic top view of the corrosion and scale inhibitor for pipeline according to the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A in FIG. 2 of the corrosion and scale inhibitor for pipelines according to the present invention;
FIG. 4 is a schematic cross-sectional view taken along line B-B in FIG. 2 of the corrosion and scale inhibitor for pipelines according to the present invention;
FIG. 5 is an enlarged schematic structural view of the novel pipeline corrosion and scale inhibition device at the position A in FIG. 4;
FIG. 6 is a schematic diagram of the external structure of a novel pipeline corrosion and scale inhibition device according to the present invention;
FIG. 7 is a schematic diagram of the external top view structure of the novel pipeline corrosion and scale inhibition device of the present invention;
FIG. 8 is a schematic cross-sectional view taken along line C-C in FIG. 7 of a novel pipeline corrosion and scale inhibitor of the present invention;
FIG. 9 is an enlarged schematic structural view of the novel pipeline corrosion and scale inhibition device shown in FIG. 8 at B;
FIG. 10 is a schematic diagram of the internal structure of the novel pipe corrosion and scale inhibitor of the present invention.
In the figure: 1. a device housing; 101. an upper card and a board; 102. a lower card and a board; 103. an outlet guide ring; 104. a stable expansion board; 1041. an arc-shaped mounting groove; 1042. stabilizing the rotating wheel; 1043. mounting a rotating rod; 105. a cable limiting frame; 2. a circulating cooling water pipeline; 3. a connecting assembly; 301. an extension housing; 302. protecting the sleeve; 303. a transmission cable; 304. a cable adapter; 3041. connecting the insertion end; 305. fixing the mounting groove; 4. the expansion fixing sheet; 5. an electromagnetic coil; 501. a power supply connection end; 6. a power component; 601. an expansion bracket; 602. a protective housing; 603. sealing the upper cover; 6031. rotating the mounting seat; 6032. a first turning lever; 6033. a clamping block; 604. a battery output end; 605. receiving a mating plate; 6051. a second turning bar; 6052. a mating groove; 6053. a return spring; 6054. a connecting through hole; 6055. stabilizing the support plate; 606. a storage battery; 607. a battery mounting groove; 608. a clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
A novel pipeline corrosion and scale inhibition method specifically comprises adding at least one of folium Bambusae extractive solution, HEISONGCAO leaf extractive solution, green tea extractive solution, and fructus Momordicae Charantiae extractive solution into ferric sulfate, ferrous sulfate, ferric chloride, and ferrous chloride solution. And performing thermal decomposition, drying and sintering to obtain the nano soft magnetic ferrite. Introducing the nano soft magnetic ferrite into one of dendritic mesh anodic aluminum oxide film, porous silicon, natural polymer resin, molecular sieve and carbon nano tube, stirring and volatilizing to form crystals in the nano pore channel, and removing the hard template by calcining to finally obtain the dendritic mesh nano soft magnetic ferrite.
The materials are compounded according to the following specific weight:
and winding the copper core wire into a coil, and arranging and installing the coil around the pipeline in a snake-shaped surrounding manner. And installing a section of coil at the outlet of the tail end of the pipeline, installing a power switch around the pipeline coil and a power switch of the tail end coil of the pipeline, adding 5kg-15kg of materials into circulating cooling water of the pipeline, turning on the power switch electrically around the pipeline coil, starting the corrosion and scale inhibition device to operate, turning on the tail end coil switch of the pipeline for a period of time after the operation for a period of time, disconnecting all power supplies, and collecting the corrosion and scale inhibition materials at the outlet. Adding sulfuric acid solution or hydrochloric acid solution or alpha-hydroxy acid into the collected corrosion and scale inhibiting material, stirring, adding at least one of folium Bambusae extract, black grass leaf extract, green tea extract and fructus Momordicae Charantiae extract into the solution, standing for precipitation, and centrifuging and filtering. And recycling the recovered dendritic network-shaped nano soft magnetic ferrite again according to the specific steps.
Meanwhile, as shown in fig. 1 to 10, the invention also discloses a novel pipeline corrosion and scale inhibition device, which comprises a device shell 1 and a circulating cooling water pipeline 2, wherein one side of the outside of the device shell 1 is provided with a connecting component 3, the bottom end of the device shell 1 close to one side of the connecting component 3 is provided with a power component 6, the upper end and the lower end of the inner wall of the device shell 1 are respectively provided with an upper card and plate 101 and a lower card and plate 102, the periphery of the pipeline of the circulating cooling water pipeline 2 is provided with an electromagnetic coil 5, the upper end and the lower end of the electromagnetic coil 5 are respectively and electrically connected with a power connecting end 501, the upper card and plate 101 and the lower card and plate 102 are respectively and fixedly clamped and matched with the corresponding power connecting end 501, the power component 6 comprises an expansion bracket 601, the upper surface of the expansion bracket 601 is fixedly provided with a protective shell 602, a battery mounting groove 607 is formed in the protective shell 602, and a storage battery 606 is arranged in the battery mounting groove 607, the two sides of the outer surface of the device shell 1 are respectively provided with an expansion fixing sheet 4. The connection part of the electromagnetic coil 5 can be stably processed through the connection assembly 3, the stable connection of the transmission cable 303 is prevented from being influenced by the movement of internal liquid in the use process, the strength of the device in use is further enhanced, and the power connection end 501 can be positioned through the upper card and the plate 101 and the lower card and the plate 102, so that the movement is prevented from occurring in use;
can cooperate the change that realizes safe quick battery 606 with coupling assembling 3 through electric power component 6 to electric power component 6 can carry out stable being connected with coupling assembling 3, thereby avoids this device comparatively loaded down with trivial details problem when changing the battery, thereby avoids appearing if not unify fixed the problem appearance that leads to its effect to receive the influence when using with battery 606, improves the stability of this device.
When specifically setting up, coupling assembling 3 is including extension shell 301, extension shell 301 integration sets up on device shell 1 surface, the inside cavity of extension shell 301 and the inside intercommunication of device shell 1, the inside bottom of extension shell 301 is provided with fixed mounting groove 305, the inside fixed mounting of fixed mounting groove 305 has cable adapter 304, cable adapter 304 one end integration is provided with the connection and inserts the end 3041, the connection inserts the end 3041 and runs through extension shell 301, cable adapter 304 is respectively through transmission cable 303 and the power connection end 501 electric connection that corresponds, the transmission cable 303 periphery spacing that is located extension shell 301 inside is provided with protective sleeve 302, protective sleeve 302 fixed mounting is at extension shell 301 inner wall. Realize through cable adapter 304 that battery 606 can utilize transmission cable 303 to power connection end 501 electric connection, and then make solenoid 5 can carry out the electromagnetism to the inside material and remove, realize smashing the clearance operation to the dirt of pipeline inner wall, thereby make this application can effectively solve technical problem.
An outlet guide ring 103 is integrally arranged at the bottom of the device shell 1, a plurality of cable limiting frames 105 are integrally arranged on one side of the inner wall of the device shell 1, and a stable expansion plate 104 is respectively arranged at the upper end and the lower end of the inner wall of the device shell 1.
Wherein, the inside spacing solenoid 5 that is provided with of the spacing frame 105 of a plurality of cables, arc mounting groove 1041 has all been seted up to every stable expansion board 104 inboard, the inside equal fixed mounting of every arc mounting groove 1041 has installation bull stick 1043, every installation bull stick 1043 pole body all rotates and is provided with stabilized runner 1042, wherein be provided with solenoid 5 through the spacing frame 105 of a plurality of cables inside is spacing, thereby make solenoid 5 more stable in the use, and all rotate through every installation bull stick 1043 pole body and be provided with stabilized runner 1042, make stabilized runner 1042 can cooperate with current circulative cooling water piping 2 and realize quick installation use and carry out spacing processing to current circulative cooling water piping 2.
It can be understood that, in this application, protective housing 602 one side is provided with the through-hole and inserts 3041 with the connection and cooperate, be close to the battery mounting groove 607 inner wall fixed mounting that the connection inserted end 3041 one side has second upset pole 6051, second upset pole 6051 pole body rotates installs receipt cooperation board 605, the receipt cooperation board 605 board body that is located connection and inserts 3041 one side runs through and has seted up connect through hole 6054, the integration of the receipt cooperation board 605 board body that is located connect through hole 6054 lower extreme is provided with stable extension board 6055, be provided with battery 606 between stable extension board 6055 and the receipt cooperation board 605 board body, battery 606 one side is provided with battery output 604, battery output 604 passes through connect through hole 6054 and connection and inserts 3041 electric connection, be located connect through hole 6054 upper end receipt cooperation board 605 board body one side and has seted up cooperation recess 6052, inside and the corresponding battery mounting groove 607 inner wall fixed mounting of cooperation recess 6052 has reset spring 6053. Through with battery 606 with stabilize between extension board 6055 and the receipt cooperation board 605 board body the card with, push down afterwards makes battery 606 shift to in the battery mounting groove 607, and utilize connect through-hole 6054 and connect the end 3041 electric connection of inserting through battery output end 604, carry out stable power transmission when realizing quick installation, wherein through opening sealed upper cover 603, utilize reset spring 6053 cooperation second upset pole 6051, make receipt cooperation board 605 drive battery 606 and overturn, thereby make battery 606 can take out fast.
It should be noted that, a clamping groove 608 is formed in the upper surface of one side of the protective housing 602, a rotary mounting seat 6031 is installed on the upper surface of the protective housing 602 away from one side of the clamping groove 608, a sealing upper cover 603 is installed between the rotary mounting seat 6031 through a first turning rod 6032 in a rotary manner, a clamping block 6033 is integrally arranged on the lower surface of the sealing upper cover 603 close to one side of the clamping groove 608, the clamping block 6033 is in snap fit with the clamping groove 608, the lower surface of the sealing upper cover 603 is in seal fit with the battery mounting groove 607, and the sealing upper cover 603 can be in stable seal fit with the battery mounting groove 607 through the snap fit between the clamping block 6033 and the clamping groove 608.
Wherein, the device mainly comprises a 4mm switch and a switch matched with the outside2-6mm2The copper core wire is wound into a coil and then the wire is woundThe coil is arranged in a snake-shaped surrounding way around the pipeline, so that the coil generates an annular magnetic field around the pipeline, and a magnetic field towards the advancing direction of the pipeline is generated inside the pipeline, so that the nano soft magnetic ferrite circularly and spirally moves in the pipeline and continuously advances along the direction of the pipeline.
Example 1
The invention is applied to the pipeline circulating cooling water of a certain thermal power plant:
28kg of scale inhibitor can be cleaned out from a circulating cooling water pipeline of a certain factory in one month. A corrosion and scale inhibition device is installed in a factory according to the description of the application, and 11kg of the corrosion and scale inhibition material prepared by the application is added into circulating cooling water of a pipeline. The device is connected to a power supply and is turned on, and the nano soft magnetic ferrite in the nano corrosion and scale inhibiting material performs spiral motion in a spiral forward magnetic field generated by the device and flows through the whole pipeline along with water flow. PESA and special CQDs in the corrosion and scale inhibition material soften the scale inhibition texture, so that the scale inhibition texture is damaged by the moving nano soft magnetic ferrite. After the device and the method are installed, the mass of scale inhibition cleaned in one month of the pipeline is reduced to 5 kg.
After the corrosion and scale inhibiting material is used for two months, the application finds that the scale inhibiting mass cleaned in one month is 16kg, and the effect is reduced by about 45 percent, so that the application suggests that manufacturers open a collection device of the corrosion and scale inhibiting material about 55 days to replace the corrosion and scale inhibiting material.
Example 2
The invention is applied to the pipeline circulating cooling water of a certain thermal power plant:
36kg of scale inhibitor can be cleaned out from a circulating cooling water pipeline of a certain factory within one month. A corrosion and scale inhibition device is installed in a factory according to the description of the application, and 8kg of the corrosion and scale inhibition material prepared by the application is added into circulating cooling water of a pipeline. The device is connected to a power supply and is turned on, and the nano soft magnetic ferrite in the nano corrosion and scale inhibiting material performs spiral motion in a spiral forward magnetic field generated by the device and flows through the whole pipeline along with water flow. PESA and special CQDs in the corrosion and scale inhibition material soften the scale inhibition texture, so that the scale inhibition texture is damaged by the moving nano soft magnetic ferrite. After the device and the method are installed, the mass of scale inhibition cleaned in one month of the pipeline is reduced to 9 kg.
After the corrosion and scale inhibiting material is used for two months, the application finds that the scale inhibiting mass cleaned in one month is 24kg, and the effect is reduced by about 60 percent, so that the application suggests that manufacturers open a collection device of the corrosion and scale inhibiting material about 50 days to replace the corrosion and scale inhibiting material.
Example 3
The invention is applied to the pipeline circulating cooling water of a certain waste incineration power plant:
33kg of scale inhibitor can be cleaned out from a circulating cooling water pipeline of a certain factory in one month. A corrosion and scale inhibition device is installed in a factory according to the description of the application, and 10kg of the corrosion and scale inhibition material prepared by the application is added into circulating cooling water of a pipeline. The device is connected to a power supply and is turned on, and the nano soft magnetic ferrite in the nano corrosion and scale inhibiting material performs spiral motion in a spiral forward magnetic field generated by the device and flows through the whole pipeline along with water flow. PESA and special CQDs in the corrosion and scale inhibition material soften the scale inhibition texture, so that the scale inhibition texture is damaged by the moving nano soft magnetic ferrite. After the device and the method are installed, the mass of scale inhibition cleaned in one month of the pipeline is reduced to 7 kg.
After the corrosion and scale inhibiting material is used for two months, the application finds that the scale inhibiting mass cleaned in one month is 17kg, and the effect is reduced by about 47 percent, so that the application suggests that manufacturers open a collection device of the corrosion and scale inhibiting material about 40 days to replace the corrosion and scale inhibiting material.
According to the three cases, the service life of the corrosion and scale inhibition material is specified to be 45 days, and the corrosion and scale inhibition material needs to be replaced after 45 days.
The novel corrosion and scale inhibition method and the novel corrosion and scale inhibition device can effectively destroy the formation of scale inhibition, simultaneously attach a layer of protective film on the inner wall of the pipeline to prevent the corrosion of the pipeline, can inhibit the excessive multiplication of microorganisms in the pipeline, have good corrosion and scale inhibition performance, simultaneously can recycle used materials, save economy, have no pollution to the environment, and ensure that the treated circulating cooling water can reach the national emission standard.
It should be noted that the reagents used in the examples are generally available on the market without specific description.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A novel pipeline corrosion and scale inhibition method is characterized in that: the method comprises the following operation steps:
s1: preparing the soft magnetic ferrite with the dendritic network structure, firstly adding 30-45ml of plant extract into 50-70ml of ferric salt and ferrous salt solution for reduction and precipitation, then adding the mixed solution of ferric salt and ferrous salt into 20g of dendritic network nanometer pore canals, stirring, and removing a template to obtain the soft magnetic ferrite with the dendritic network structure;
the corrosion and scale inhibiting material is compounded by the following components in percentage by weight:
s2: the magnetic driving material generates a magnetic force effect on the dendritic reticular nano soft magnetic ferrite through a spiral magnetic field formed by the spiral electrified conducting wire, and simultaneously, the dendritic reticular nano soft magnetic ferrite is subjected to magnetic forces in different directions at different positions of the pipeline, so that the dendritic reticular nano soft magnetic ferrite generates spiral motion in the pipeline, the formation of scale is damaged, and the scale inhibition effect is achieved;
s3: and (2) recovering and regenerating materials, namely installing an electromagnetic coil (5) at the outlet of the tail end of the circulating cooling water pipeline (2), collecting a scale inhibitor after water circulation, switching on a power supply, generating a magnetic field by the electromagnetic coil (5), adsorbing the dendritic net-shaped nano soft magnetic ferrite at the outlet of the tail end of the circulating cooling water pipeline (2), and performing acid dissolution, stirring, plant extracting solution adding, precipitation and filtration to realize the recovery and regeneration of the nano soft magnetic ferrite.
2. The novel pipeline corrosion and scale inhibition method according to claim 1, characterized in that: the carbon quantum dots in the S1 are special carbon quantum dots which are subjected to alpha-hydroxy acid treatment reaction and have hydroxyl and carboxyl functional groups introduced on the original carbon quantum dots, and the plant extract in the S3 is at least one of mangosteen leaf extract, black grass leaf extract, green tea extract and bitter gourd extract.
3. The novel pipeline corrosion and scale inhibition method according to claim 1, characterized in that: the ferric salt in S1 is at least one of ferric sulfate and ferric chloride, the ferrous salt in S1 is at least one of ferrous sulfate and ferrous chloride, the dendritic network-shaped nanometer pore canal in S1 is one of an anodic aluminum oxide film, porous silicon, natural polymer resin, a molecular sieve and a carbon nano tube, the stirring in S1 is to stir ferric salt and ferrous salt, a plant extracting solution and the dendritic network-shaped nanometer pore canal at the rotating speed of 3000-5000r/min until the solution is volatilized, the hard template in S1 is removed, and the product obtained by stirring is kept at the constant temperature of 700-850 ℃ for 6-8h under the atmosphere of 1:1 oxygen and nitrogen at the temperature of 700-850 ℃.
4. The novel pipeline corrosion and scale inhibition method according to claim 1, characterized in that: the acid dissolution in the S3 is to add 55-75ml of at least one of 35% sulfuric acid solution, hydrochloric acid solution and alpha-hydroxy acid into the collected substance, the stirring in the S3 is to keep for 1-2h at the rotating speed of 3000-5000r/min, and the plant extracting solution in the S3 is to add 30-45ml of at least one of mangosteen leaf extracting solution, nigella sativa leaf extracting solution, green tea extracting solution and bitter gourd extracting solution.
5. A novel pipeline corrosion and scale inhibition device according to claim 1, which comprises a device shell (1) and a circulating cooling water pipeline (2), and is characterized in that: the device is characterized in that a connecting assembly (3) is arranged on one side of the outside of the device shell (1), an electric power assembly (6) is arranged at the bottom end of the device shell (1) close to one side of the connecting assembly (3), an upper card and a plate (101) and a lower card and a plate (102) are respectively arranged at the upper end and the lower end of the inner wall of the device shell (1), an electromagnetic coil (5) is arranged on the periphery of the pipeline of the circulating cooling water pipeline (2), the upper end and the lower end of the electromagnetic coil (5) are respectively and electrically connected with a power connecting end (501), the upper card and the plate (101) and the lower card and the plate (102) are respectively and fixedly clamped and matched with the corresponding power connecting end (501), the electric power assembly (6) comprises an expansion bracket (601), a protective shell (602) is fixedly arranged on the upper surface of the expansion bracket (601), and a battery mounting groove (607) is formed in the protective shell (602), the battery installation groove (607) is internally provided with a storage battery (606), and two sides of the outer surface of the device shell (1) are respectively provided with an expansion fixing sheet (4).
6. The novel pipeline corrosion and scale inhibitor according to claim 5, characterized in that: the connecting component (3) comprises an extension shell (301), the extension shell (301) is integrally arranged on the surface of the device shell (1), the expansion shell (301) is hollow inside and is communicated with the inside of the device shell (1), a fixed mounting groove (305) is formed in the bottom end of the interior of the expansion shell (301), a cable adapter (304) is fixedly mounted in the fixed mounting groove (305), one end of the cable adapter (304) is integrally provided with a connecting insertion end (3041), the connection insertion end (3041) penetrates through the expansion shell (301), the cable adapter (304) is electrically connected with the corresponding power connection end (501) through a transmission cable (303), a protection sleeve (302) is arranged at the periphery of the transmission cable (303) in the expansion shell (301) in a limiting manner, the protective sleeve (302) is fixedly arranged on the inner wall of the expansion shell (301).
7. The novel pipeline corrosion and scale inhibition device according to claim 5, characterized in that: the device is characterized in that an outlet guide ring (103) is integrally arranged at the bottom of the device shell (1), a plurality of cable limiting frames (105) are integrally arranged on one side of the inner wall of the device shell (1), and a stable expansion plate (104) is respectively arranged at the upper end and the lower end of the inner wall of the device shell (1).
8. The novel pipeline corrosion and scale inhibitor according to claim 7, characterized in that: a plurality of the spacing solenoid (5) of being provided with of cable is inside spacing, every arc mounting groove (1041) have all been seted up to stable expansion board (104) inboard, every equal fixed mounting has installation bull stick (1043) in arc mounting groove (1041), every installation bull stick (1043) pole body all rotates and is provided with and stabilizes runner (1042).
9. The novel pipeline corrosion and scale inhibitor according to claim 6, characterized in that: one side of the protective shell (602) is provided with a through hole and is in inserting fit with the connecting and inserting end (3041), the inner wall of the battery mounting groove (607) close to one side of the connecting and inserting end (3041) is fixedly provided with a second turnover rod (6051), the rod body of the second turnover rod (6051) is rotatably provided with a receiving matching plate (605), the plate body of the receiving matching plate (605) positioned at one side of the connecting and inserting end (3041) is provided with a connecting through hole (6054) in a penetrating way, the plate body of the receiving matching plate (605) positioned at the lower end of the connecting through hole (6054) is integrally provided with a stabilizing support plate (6055), a storage battery (606) is arranged between the stabilizing support plate (6055) and the plate body of the receiving matching plate (605), one side of the storage battery (606) is provided with a battery output end (604), and the battery output end (604) is electrically connected with the inserting end connecting end (3041) through the connecting through hole (6054), be located connect the via hole (6054) upper end receive cooperation board (605) board body one side and seted up cooperation recess (6052), fixed mounting has reset spring (6053) between inside and the corresponding battery mounting groove (607) inner wall of cooperation recess (6052).
10. The novel pipeline corrosion and scale inhibitor according to claim 5, characterized in that: draw-in groove (608) have been seted up to protecting sheathing (602) one side upper surface, keep away from draw-in groove (608) one side protecting sheathing (602) upper surface mounting has rotation mount pad (6031), rotate between mount pad (6031) and install sealed upper cover (603) through first upset pole (6032) rotation, be close to draw-in groove (608) one side sealed upper cover (603) lower surface integration is provided with fixture block (6033), carry out snap-fit between fixture block (6033) and draw-in groove (608), sealed upper cover (603) lower surface and battery mounting groove (607) seal cooperation.
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| CN202210082995.5A CN114506931B (en) | 2022-01-25 | 2022-01-25 | Pipeline corrosion and scale inhibition method and device |
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| CN202210082995.5A CN114506931B (en) | 2022-01-25 | 2022-01-25 | Pipeline corrosion and scale inhibition method and device |
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