WO2018186568A1 - 재생 합성수지를 이용한 투수블록 제조시스템 - Google Patents

재생 합성수지를 이용한 투수블록 제조시스템 Download PDF

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Publication number
WO2018186568A1
WO2018186568A1 PCT/KR2018/000817 KR2018000817W WO2018186568A1 WO 2018186568 A1 WO2018186568 A1 WO 2018186568A1 KR 2018000817 W KR2018000817 W KR 2018000817W WO 2018186568 A1 WO2018186568 A1 WO 2018186568A1
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WO
WIPO (PCT)
Prior art keywords
cooling
synthetic resin
fine aggregate
water
mixer
Prior art date
Application number
PCT/KR2018/000817
Other languages
English (en)
French (fr)
Korean (ko)
Inventor
김태현
Original Assignee
김태현
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 김태현 filed Critical 김태현
Priority to CN201880004867.0A priority Critical patent/CN110049852B/zh
Publication of WO2018186568A1 publication Critical patent/WO2018186568A1/ko

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B17/0412—Disintegrating plastics, e.g. by milling to large particles, e.g. beads, granules, flakes, slices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/82—Heating or cooling
    • B29B7/823—Temperature control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/88—Adding charges, i.e. additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/52—Heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/26—Scrap or recycled material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0068—Permeability to liquids; Adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/10—Building elements, e.g. bricks, blocks, tiles, panels, posts, beams
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Definitions

  • the present invention relates to a permeation block manufacturing system using a waste container used as a recycled synthetic resin, for example, a food and beverage container, and more particularly, to produce a permeation block having a high porosity and a high porosity, and to prevent pore clogging and harmful gases.
  • the present invention relates to a permeable block manufacturing system using recycled synthetic resin that provides an environment-friendly working environment due to a low generation amount.
  • the conventionally developed permeation method is mainly a method using a permeation block, and forms a permeation block using natural aggregate or recycled aggregate and cement mixture.
  • the main object of the present invention is to mix the waste synthetic resin used as an edible container to prepare a water permeable block, but to enhance the strength by increasing the resin compounding ratio, Permeability block by reducing pressing force to increase porosity and increase cooling time of permeation block to prevent burning or melting of resin to prevent pore blockage and to prevent harmful gas generation To provide a manufacturing system.
  • a transfer conveyor for transporting the fine aggregate discharged from the hopper is stored fine aggregate;
  • a secondary heating furnace configured to be in communication with an outlet of the primary heating furnace to insulate the residual aggregate in a heating state provided from the primary heating furnace to maintain a constant temperature thereof;
  • a pressure molding machine for press-molding the mixture of the molten resin and the fine aggregate provided from the mixer at a pressure of 30 to 40 MPa;
  • a permeable block manufacturing system using a recycled synthetic resin comprising a; and a cooler for dual
  • the mixer comprises a cylindrical mixer barrel; It includes a plurality of stirring blades arranged in a step shape along the longitudinal direction on the inner circumferential surface of the mixer barrel, each of the stirring blades may be disposed so that a portion thereof overlaps with the adjacent stirring blades.
  • the cooler the cooling tray for receiving each water permeation block discharged from the pressure molding machine;
  • a horizontal cooling water tank configured to immerse the cooling tray in the cooling water and to cool the water while being installed under the cooling tray containing the water permeable block;
  • a transport conveyor for transporting the cooling tray along the longitudinal direction of the cooling water tank;
  • An air supply pipe installed above the cooling tray along a moving direction of the cooling tray;
  • an air nozzle disposed at predetermined intervals on the air supply pipe to inject air in the air supply pipe toward the permeation block to cool the permeation block.
  • the porosity can be increased by lowering the pressing force in the press molding as compared with the existing, thereby increasing the permeability efficiency.
  • FIG. 1 is a block diagram of a pitcher block manufacturing system using a recycled synthetic resin according to the present invention
  • FIG. 2 is a block diagram of a mixer which is one configuration of a system according to the present invention.
  • FIG. 3 is a configuration diagram of a cooler that is one configuration of another system according to the present invention.
  • FIG. 4 is a flow chart for explaining a method of manufacturing a pitcher block using a pitcher block manufacturing system using a recycled synthetic resin according to the present invention.
  • FIG. 5 is a shape diagram of a pitcher block manufactured according to the system of the present invention.
  • Figure 6 is a schematic cross-sectional view showing an embodiment of an air nozzle according to the present invention.
  • FIG. 1 is a block diagram of a pitcher block manufacturing system using a recycled synthetic resin according to the present invention.
  • the permeation block manufacturing system using the recycled synthetic resin according to the present invention the transfer conveyor 100, the primary heating furnace 200, the secondary heating furnace 300, the melting furnace 400, the mixer 500 , A press molding machine 600 and a cooler 700.
  • the transfer conveyor 100 serves to transfer the fine aggregate discharged from the hopper 10 in which the fine aggregate is stored to the primary heating furnace 200.
  • the primary furnace 200 is rotatably supported by the frame, and serves to heat the aggregate aggregate transported through the transfer conveyor 100 to a predetermined temperature, the primary furnace 200 is a recycled synthetic resin When the fine aggregate is mixed with the fine aggregate, the fine aggregate is preheated in order to melt the regenerated synthetic resin by the heating temperature of the fine aggregate.
  • the secondary heating furnace 300 is insulated in communication with the outlet of the primary heating furnace 200 to keep the heated aggregate provided from the primary heating furnace 200 to maintain its temperature constant. Role. At this time, the secondary heating furnace 300 has an installation structure in which the outlet is installed obliquely downwardly inclined from the inlet so that the fine aggregate in the secondary heating furnace can be naturally discharged toward the outlet.
  • the melting furnace 400 is installed at the outlet side of the secondary heating furnace 300, and the heated aggregate provided from the secondary heating furnace 300 and the pulverized recycled synthetic resin are introduced together to be heated by the heated aggregate. It plays a role to make recycled synthetic resin melt.
  • the diameter of the recycled synthetic resin introduced into the melting furnace 400 is suitable for 0.5 ⁇ 2.0cm.
  • the recycled synthetic resin is introduced into the melting furnace 400 through the process of sorting, pulverizing, washing and drying.
  • the sorting is a process for sorting the PET bottles (PET) used as food and beverage containers by colorless, colored, and materials, and the grinding is to grind the recycled synthetic resin selected from the above to be 0.5 to 2.0cm in diameter.
  • Washing and drying are operations for washing, dehydrating and drying the pulverized recycled synthetic resin.
  • using colorless of the selected recycled synthetic resin can produce a transparent color permeable block, if using a color can be prepared a permeable block of the color corresponding to it so that the desired color can be obtained without using a dye Therefore, it is possible to manufacture environmentally friendly pitching block, and contribute to cost reduction.
  • the mixer 500 serves to stir and mix the molten resin and the fine aggregate provided from the melting furnace 400, as shown in FIG. 2, and a cylindrical mixer cylinder 510 having an inlet 511 and an outlet 512. ), And a plurality of plate-shaped or streamlined stir blades 520 disposed on the inner circumferential surface of the mixer barrel 510 along the longitudinal direction.
  • each of the stirring blades 520 is preferably disposed so that a portion thereof, for example, an end portion in the longitudinal direction overlaps with another adjacent stirring blade (o).
  • the stirring blade 520 of the present invention is disposed in a stepped shape, so that the aggregate and the melted resin are The smooth flow along the stairs can double the flow efficiency, thereby doubling the stirring efficiency.
  • the recycled synthetic resin and the aggregate aggregate is added to the mixer 500 at a ratio of 3: 7, the temperature inside the mixer is heated to 220 ⁇ 290 °C, the speed of the mixer at a speed of 10 ⁇ 30rpm It is preferable to rotate.
  • the internal temperature of the mixer 500 When the internal temperature of the mixer 500 is lower than 220 ° C., the internal temperature of the mixer 500 may not solidify, and if the internal temperature of the mixer 500 is higher than 290 ° C., the internal temperature of the mixer 500 may be burned due to high heat.
  • the mixing ratio of the recycled synthetic resin and fine aggregates is an important factor for improving the strength, and as the mixing ratio of the recycled synthetic resins increases with respect to the fine aggregates, the cohesive strength of the fine aggregates increases, but the mixing ratio of the recycled synthetic resins is more than necessary If it is increased, the ductility is increased to increase the possibility of deformation is preferably determined in the above compounding range.
  • the rotational speed in the above range is good mixing efficiency.
  • the stirring efficiency is significantly lowered.
  • the stirring efficiency is lowered.
  • the mixer 500 is provided with first and second burners 530 and 540 for heating the inside of the mixer at both end portions thereof, and a heating wire 550 is provided on the wall surface of the mixer barrel 510 so that the mixer 500 is provided with first and second burners.
  • the burner will heat up the inside of the mixer.
  • the reason why the burner and the heating wire are combined is that it is difficult to evenly heat the burner alone, so even heating is possible by reinforcing the heating wire, and supplementing the heating wire can save electric energy rather than installing several burners. to be.
  • the pressure molding machine 600 is a pressure molding of the mixture of the molten resin and the fine aggregate provided from the mixer 500 at a pressure of 30 ⁇ 40MPa by the plunger 610.
  • the important factor is the pressurization pressure, the larger the pressing force, the porosity is lowered because the pores between the molten resin and the fine aggregate becomes dense, while the smaller the pressing force increases the porosity between the molten resin and the fine aggregate, thereby increasing the porosity.
  • the permeation block may be better because the larger the porosity, the larger the porosity, so the larger the porosity, the greater the porosity. Can be guaranteed.
  • Porosity when pressurized to the above pressure is 20 to 30%.
  • the cooler 700 is dual cooling for 15 to 20 sec by water and air cooling while conveying the water permeable block 1 formed by the pressure molding machine 600, as shown in FIG. 3, in the pressure molding machine 600
  • Cooling tray 710 for accommodating each of the discharged water permeation block (1), and horizontal cooling water for cooling the water by immersing the cooling tray in the cooling water while being installed in the lower portion of the cooling tray 710 containing the water permeable block (1)
  • the air supply pipe 740 and a plurality of air nozzles 750 which are arranged at regular intervals on the air supply pipe to inject air in the air supply pipe toward the permeation block to cool the permeation block.
  • the external cooling of the permeation block 1 is performed by water cooling, and the internal cooling of the permeation block 1 is simultaneously performed by air cooling, thereby allowing the inside and outside of the permeation block 1 to be cooled down evenly.
  • the improvement in cooling efficiency contributes to productivity improvement since the curing time can be significantly reduced compared to the existing curing time of 28 days.
  • the water permeability block 1 of the present invention can increase the cooling efficiency and shorten the cooling time since the porosity is improved compared to the conventional one.
  • Residual aggregate heating step (S10) which is a first step, is a step of inputting the residual aggregate transferred by the transfer conveyor 100 to the primary heating furnace 200 and heating it to a predetermined temperature.
  • Residual aggregate warming step (S20) is a step of keeping the heated temperature of the aggregate remains constant by inputting the residual aggregate heated in the first step into the secondary heating furnace (300).
  • Melting step (S30) of the third step is a step of melting the regenerated synthetic resin by the heated temperature of the residual aggregate by inputting the fine aggregate discharged from the secondary heating furnace 300 and the recycled synthetic resin crushed to a predetermined size into the melting furnace 400 to be.
  • the recycled synthetic resin introduced into the melting furnace 400 is subjected to the sorting step (S100), the crushing step (S200) and the washing and drying step (S300).
  • Mixing step (S40), which is the fourth step, is added to the mixer in the ratio of the recycled synthetic resin and the fine aggregate 3: 7, the temperature inside the mixer 500 is heated to 220 ⁇ 290 °C, the mixer 500 Rotational speed is a step of mixing the molten recycled synthetic resin serving as a coagulant and the aggregate by rotating at a speed of 10 ⁇ 30rpm.
  • Step 5 is a step of forming a permeable block by putting a predetermined amount of the mixed molten resin and fine aggregate into the pressure molding machine 600, by pressing the pressure of 30 ⁇ 40MPa by the plunger 610. .
  • the cooling step (S60), which is a sixth step, is a step of evenly cooling the surface and the inside of the permeation block 1 on which the molding is completed for 15 to 20 seconds.
  • the cooling tray 710 containing each of the permeation blocks 1 passes through the cooling water tank 720 while being transported by the conveyor 730, and thus water cooling is performed. Air is injected by the nozzle 750 through the open upper portion of the cooling tray 710 to take two cooling methods in parallel to air-cool the water permeable block 1.
  • the external cooling of the permeation block 1 is performed by water cooling, and the internal cooling of the permeation block 1 is simultaneously performed by air cooling, the inside and outside of the permeation block 1 can be cooled overall.
  • the air nozzle 750 may be made of a swirl nozzle as shown in FIG.
  • the vortex nozzle is a means for rotating the injected air while increasing the blowing force of the air.
  • a thread forming part 64 having a thread is formed to be fastened to the air supply pipe 740, and the thread forming part 64 is formed.
  • a hollow and conical body portion 65 is formed integrally extending.
  • the body portion 65 has a plurality of air holes 66 which are holes for final injection of air along the spiral direction. It is formed through.
  • the outer surface of the body portion 65 is formed with a spiral air groove inner groove 68 coinciding with the air holes 66 arranged in a spiral direction, the air groove inner groove 68 is an air hole ( 66 to guide the jet direction of the air jetted from the spiral direction to form a vortex.
  • the air injected through the air hole 66 of the vortex nozzle and the spiral air while the inner groove 68 rotates and simultaneously sprays air while forming a vortex, thereby evenly spraying the permeable block 1 while the permeable block (1) The whole is cooled evenly.
  • the anti-fouling coating layer coated with the anti-fouling coating composition may be formed around the stirring vane 120 to effectively achieve the prevention and removal of contaminants.
  • the antifouling coating composition includes hydrogen peroxide and sodium metasilicate in a 1: 0.01 to 1: 2 molar ratio, and the total content of hydrogen peroxide and sodium metasilicate is 1 to 10% by weight based on the total aqueous solution.
  • sodium metasilicate or calcium carbonate may be used as a material for improving the coatability of the antifouling coating layer, but preferably sodium metasilicate may be used.
  • the hydrogen peroxide and sodium metasilicate are preferably 1: 0.01 to 1: 2 as the molar ratio. If the molar ratio is out of the above range, the coating property of the substrate may be reduced or the moisture absorption of the surface may be increased after application, thereby removing the coating film. have.
  • the hydrogen peroxide and sodium metasilicate are preferably 1 to 10% by weight of the total composition aqueous solution, if less than 1% by weight has a problem that the applicability of the substrate is lowered, if it exceeds 10% by weight crystal due to the increase in the coating film thickness Precipitation is likely to occur.
  • the final coating film thickness on the stirring blade 120 is preferably 500 to 2000 kPa, more preferably 1000 to 2000 kPa. If the thickness of the coating film is less than 500 kPa, there is a problem of deterioration in the case of high temperature heat treatment, and if the thickness of the coating film exceeds 2000 kPa, crystal precipitation of the coated surface is liable to occur.
  • the antifouling coating composition may be prepared by adding 0.1 mol of hydrogen peroxide and 0.05 mol of sodium metasilicate to 1000 ml of distilled water, followed by stirring.
  • the cooling water tank 720 may be formed of a surface protective coating layer of a surface coating material of a metal material to prevent corrosion of the surface from dust, contaminants, and the like.
  • the surface protective coating layer is composed of 2.5% by weight zirconium powder, 60% by weight alumina powder, 30% by weight NH 4 Cl, 2.5% by weight zinc, 2.5% by weight magnesium and 2.5% by weight titanium.
  • the zirconium powder is excellent in corrosion resistance and heat resistance. This zirconium powder is mixed at 2.5% by weight. If the mixing ratio of the zirconium powder is less than 2.5% by weight, the corrosion resistance and the heat resistance are not greatly improved. On the other hand, if the mixing ratio of the zirconium powder exceeds 2.5% by weight, the above-mentioned effect is not improved further while the material cost is greatly increased. Therefore, the titanium is preferably mixed 2.5% by weight.
  • the alumina powder is added for the purpose of sintering, tangling, fusion prevention, etc. when heated to a high temperature.
  • the alumina powder is added in less than 60% by weight, the effect of sintering, tangling and fusion prevention is inferior, and when the alumina powder exceeds 60% by weight, the above-mentioned effect is not further improved, while the material cost is greatly increased. Therefore, it is preferable to add 60 weight% of alumina powders.
  • the NH 4 Cl reacts with zinc and magnesium in a vapor state to serve to activate diffusion and penetration. This NH 4 Cl is added 30% by weight. If NH 4 Cl is added at less than 30% by weight, it does not react properly with the vaporized zinc and magnesium and thus does not activate diffusion and penetration. On the other hand, when NH 4 Cl exceeds 30% by weight, the above-mentioned effect is not improved further, while the material cost is greatly increased. Therefore, it is preferable to add 30% by weight of NH 4 Cl.
  • the zinc is formulated to prevent corrosion of metals in water and to be used for electrical applications. This zinc is mixed 2.5% by weight. If the mixing ratio of zinc exceeds 2.5% by weight, it will not properly prevent corrosion of the metal on water. On the other hand, when the mixing ratio of zinc exceeds 2.5% by weight, the above-mentioned effect is not improved further, while the material cost is greatly increased. Therefore, the zinc is preferably mixed 2.5% by weight.
  • magnesium Since the pure metal of magnesium has a low structural strength, the magnesium is combined with zinc to increase the hardness, tensile strength and corrosion resistance of the metal. This magnesium is mixed 2.5% by weight. If the mixing ratio of magnesium is less than 2.5% by weight, the hardness, tensile strength and corrosion resistance to salt water of the metal when combined with zinc and the like are not significantly improved. On the other hand, when the mixing ratio of magnesium exceeds 2.5% by weight, the above-mentioned effect is not improved further, while the material cost is greatly increased. Therefore, magnesium is preferably mixed at 2.5% by weight.
  • the titanium is a light, hard and corrosion-resistant transition metal element has a silver-white metallic luster, and because of its excellent corrosion resistance and low specific gravity, the weight of the titanium is only 60% compared to steel, so that the weight of the coating material applied to the metal base material is reduced but the gloss is increased. It is formulated to have excellent waterproof and corrosion resistance.
  • This titanium is mixed 2.5% by weight.
  • the mixing ratio of titanium is less than 2.5% by weight, the weight of the coating material applied to the metal base material is not so much reduced, and the glossiness, waterproofness, and corrosion resistance are not greatly improved.
  • the mixing ratio of titanium exceeds 2.5% by weight, the above-mentioned effect is not further improved while the material cost is greatly increased. Therefore, the titanium is preferably mixed 2.5% by weight.
  • the surface coating method of the cooling water tank 720 according to the present invention is as follows.
  • the cooling water tank 720 and the coating material blended in the above-mentioned structure to be formed with the surface protective coating layer are put together in the closing furnace.
  • Argon gas is injected, and maintained at a temperature of 700 ° C to 800 ° C for 4 to 5 hours while argon gas is injected.
  • zirconium powder, alumina powder, zinc, magnesium, and titanium in a vapor state are formed inside of a closed state, and zirconium powder, alumina powder, zinc, magnesium, and titanium blend penetrate the surface of the base material to provide a surface protective coating layer. Is formed.
  • the internal temperature is closed to maintain the temperature of the coating material / substrate composite at 800 ° C. to 900 ° C. for 30 to 40 hours.
  • a surface protection coating layer for preventing corrosion is formed on the surface of the cooling water tank 720. The surface of the cooling water tank 720 and the outside air is isolated. At this time, the sudden temperature change in performing the above process causes the surface protective coating layer on the surface of the cooling water tank 720 to be peeled off, thereby changing the temperature at a rate of 60 ° C / hr.
  • the surface protective coating layer of the present invention has the following advantages.
  • the surface protective coating layer of the present invention has a very wide range of uses, it can be applied by various methods such as curtain coating, spray painting, dip coating, flooding, and the like.
  • the surface protective coating layer of the present invention can be applied with a very thin layer thickness in addition to the principle protection against corrosion and / or scale, thereby improving the electrical conductivity as well as material and cost savings. Even after hot forming, a thin electroconductive primer may be applied on top of the application layer if high electrical conductivity is desired.
  • the coating material may be retained on the surface of the substrate, for example, to increase scratch resistance, to improve corrosion protection, to meet aesthetic appearance, to prevent discoloration, and to be electrically conductive. And can be provided as a primer for conventional downstream processes (eg, dip and electrophoretic dip coating).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Processing Of Solid Wastes (AREA)
  • Road Paving Structures (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
PCT/KR2018/000817 2017-04-03 2018-01-17 재생 합성수지를 이용한 투수블록 제조시스템 WO2018186568A1 (ko)

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Application Number Priority Date Filing Date Title
CN201880004867.0A CN110049852B (zh) 2017-04-03 2018-01-17 利用了再生合成树脂的透水块制造系统

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KR1020170042889A KR101814332B1 (ko) 2017-04-03 2017-04-03 재생 합성수지를 이용한 투수블록 제조장치
KR10-2017-0042889 2017-04-03

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