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Introduction of magnetic separator 20111116-yydls

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magnetic separators including high gradient magnetic separator and rare earth drum/roll magnetic separators

magnetic separators including high gradient magnetic separator and rare earth drum/roll magnetic separators

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  • 1. YUEYANG DALISHEN ELECTROMAGNETIC MACHINERY CO., LTD.
  • 2. YYDLS About Us Magnetic Separators - Vertical Ring High Gradient Electric Magnetic Separator DLS - Trommel Screen DL Series - Pair-pole High Intensity Magnetic Separator DLSD - Dry Rare Earth Drum Magnetic Separator CXJ - Dry Rare Earth Roll Magnetic Separator CR - Wet Rare Earth Drum Magnetic Separator CT Content
  • 3. YYDLS •Yueyang Dalishen Electromagnetic Magnetic Co., Ltd., a leading electromagnetic equipment manufacturer in Asia-Pacific region, is a S&T contemporary enterprise integrated with science, industry and trade. It is a main member of Lifting Electromagnet Professional Association of China, a high-tech company participating into the China Torch Plan Project and the master workstation of Hunan University. •Yueyang Dalishen, established in 1998, now owns fixed assets of RMB 40,000,000, registered capital RMB 10,280,000 and 308 employees, among which 60 are engineers and 16 are senior engineers. office workshop About Us
  • 4. YYDLS Organization Chart General Manager Vice G.M. for Production Process & Material Department Quality Control Department Produce Admin Department YYDLS Workshops Financial Department H.R. Administration Department Company Administration Office Vice G.M. for Marketing After-sale Service Department Marketing Department Magnetic Separator Dept Foreign Trade Department Domestic Trade Department Sales Administration Office Vice G.M. for Technology Furnish Department Technology Department
  • 5. YYDLS Dalishen is focused on design and producing electro or permanent magnetic machineries and their auxiliary equipments with the brand "Cishen". We manufacture 10 series of 200 products, including high gradient magnetic separator, electric magnetic or rare earth magnetic separator for tramp iron removal, trommel screen, lifting electromagnet, cable reeling drum, rectification control panel, permanent magnetic lifter, blackout magnetic-sustaining equipment, metal detector, etc. There are products in different configuration with international technology for your special needs. Our markets cover metallurgy, machinery, electricity, transportation, mining, chemistry, cement, construction and other industries in Europe, America, Oceania, Southeast Asia, Middle East etc. Products and Markets
  • 6. Hit Products ►Magnetic Separator
  • 7. YYDLS Double Vertical Rings High Gradient Magnetic Separator DLS is a mineral beneficiation machine, which is developed independently by YYDLS . It is high intensity separator with patent No. ZL200820119589.7. Currently, it is the best high intensity separator with excellent performance and technology. The machine is featured by technologies of rotary vertical rings and backwash of concentrate, and is equipped with high frequency vibration mechanism that helps solve matrix block. It has advantages of high enrichment ratio and flexibility to various particle size, pulp density and grade of original ores. The machine serve with high recovery rate and high grade of concentrate for purifying weak magnetic minerals and remove Fe from non-metallic minerals. Double Vertical Ring High Gradient Magnetic Separator DLS
  • 8. Ferrous Metal Recovering martite, hematite, limonite, siderite, chromites, ilmenite, manganese. etc. Non-ferrous Metal Recovering fine tungsten disseminated in tungstenic quartz reef; recovering pyrrhotite from cassiterite polymetallic sulphide; separating wolframite and cassiterite, limonite, wolframite and scheelite, garnet, etc. Non-metal Purifying quartz, feldspar, kaolin and other raw materials for glass and ceramics industry; removing iron from hot refractory minerals such as sillimanite, andalusite and kyanite and removing detrimental impurities from hormblende, mica, tourmaline, garnet, etc. Other Minerals Recovering tantalum and niobite, zinnwaldite and monazite; recovery tailing of weak magnetic minerals; treating waste water of steel plant and power plant; and clearing chemical plant polluted by catalyst. Applicable Minerals
  • 9. YYDLS To make sure our machine is suitable for separation of your minerals, we offer specimen test for free. We offer customized products as per your specific needs Free guide for erection and commissioning and train operators for you. Free Sample Test Erection & Commissioning Tailored Products Note for Order
  • 10. YYDLS Structure and working principle Features and Benefits Structure Scheme, Calculation and Demonstration of High Gradient Users List Application On Site DLS HGMS Series
  • 11. YYDLS 1. Rack 2. Ring driving mechanism 3. Concentrate flusher 4. Liquid level tank Structure Schematic Drawing of DLS
  • 12. YYDLS 5. Rotary ring 6. Concentrate bucket 7. Rinse bucket 8. Feeding bucket 9. Magnet yoke 10. Excitation coil 11. Vibrating mechanism 12. Vibrating motor 13.Vibrating support 14. Tailing bucket 15. Small tailing bucket 16. Middling bucket
  • 13. YYDLS 3D Schematic Drawing of DLS
  • 14. YYDLS
  • 15. YYDLS
  • 16. YYDLS
  • 17. YYDLS
  • 18. YYDLS
  • 19. Working Principle Drawing
  • 20. YYDLS Working Principle of DLS The rotary rings are equipped with matrixes of magnetic rods orspecial magnetic medium. When beneficiation started, the ring rotates clockwise, pulp is fed into feeding bucket and flows into the matrix through the gaps of upper yoke. The magnetic medium are magnetized in the background magnetic field, forming a high gradient magnetic field and attracting magnetic particles on the surface of magnetic medium. With the rotation of rings, the magnetic particles are transported to the non-magnetic upper apex and flushed into the concentrate bucket by the flushing water. Non-magnetic particles are transported into the tailing bucket though the gaps of lower yoke.
  • 21. YYDLS The structure of magnetic system is like the shape of stud, as seen here A steel backing plate is necessary for the rotary of the rings, therefore, the magnetic system is adjusted as seen here If the rings with magnetic mediums rotate in the magnetic pole, the rotary structure is as seen here The so-called Double Vertical Ring means there are two rings on each machine. This special design is the magnetic structure of the machine. The backing plate between the rings is for driving and supporting. Features of DLS Magnetic System of Rings
  • 22. YYDLS The magnetic particles in the pulp are acted upon by forces such as gravity, fluid drag, fluid wallop, etc., some of them will be separated from the matrixes when flow into the ring. To minimize the effect of the fluid wallop, the liquid level will be raised to immerse the bottom matrixes. In this way, the wallop on the attracted magnetic particles will be lowered. Particles will subside in the liquid. To make more opportunities for particles to meet the matrixes, the subsided particles should be ascended and the pulp should be waved. A vibrating mechanism is designed. The mechanism is made up of rubber seal cup and reciprocate-in-line device. The seal cup will change the volume of the liquid in the machine, thus to vibrating the liquid. Vibrator and it's Function Function of Pulsation 1.Lower the wallop acted on the magnetic particles attracted by matrixes. 2.Separate the particles in the pulp 3.Make more particles touch with matrixes 4.Remove the half inter-growth particles from matrixes, to raise the grade of concentrate. vibration mechanism
  • 23. YYDLS The high gradient of magnetic field is produced artificially. The magnetic medium generates a magnetic inductive field in the background field to change the uniform magnetic field to a non- uniform one, increase the magnetic change rate (gradient) and increase the attraction force on magnetic particles. As a result, the beneficiation of the magnetic separator is more effective to dress lower intensity magnetic particles, such as hematite, limonite, manganese, etc. Magnetic induction line always cuts across. As seen in Figure 3, the induction line starts from N pole to S pole through matrixes. The magnetic intensity B2 of magnetic medium in the matrixes is far more higher than background intensity B1. Here forms a aberration magnetic field. The intensity on the surface of magnetic medium is very high, but the intensity close to them is dramatically lowered, hence the magnetic change rate (gradient)is very high. Producing High Gradient
  • 24. YYDLS Jagged Steel Rod As above mentioned, the induction line cuts across, namely the way with the least resistance. Since the resistance of air is much more higher than that of magnetic medium, more induction lines pass through the magnetic medium before entering into the air . The point effect theory means more induction lines pass through the point of magnetic medium. The more induction lines are, the higher magnetic intensity is. Thus the intensity on the point of magnetic medium is the highest. According to this theory, we process the magnetic medium with edges and corners, which attract more magnetic particle of the same size than magnetic medium with smooth surface and beneficiate more fine particles. In this way, the recovery of magnetic medium with edges and corners are much more higher than the smooth-surface ones. Feature: Point Effect
  • 25. YYDLS High Background Intensity High Magnetic Gradient Liquid Automatic Control The magnetic materials is electrical pure iron DT4C (Fe: 99.5%)made by Taiyuan Iron & Steel (Group) Co., Ltd., raised the background intensity to 12000GS, much higher than Q235 steel (10000 GS). The magnetic materials is electrical pure iron DT4C (Fe: 99.5%)made by Taiyuan Iron & Steel (Group) Co., Ltd., raised the background intensity to 12000GS, much higher than Q235 steel (10000 GS). The beneficiation is more stable and efficient. Like products in China are manual control for liquid level adjustment, which requires high stability of pulp feed-in that is uncertainty in some degree. Optimal design of magnetic medium in the matrix to improve the inductive magnetic intensity and magnetic gradient, thereby, to attract more magnetic particles and more small-sized particles. The magnetic rod (Patent No.: ZL200920306697.X) is high saturation and high permeability soft magnetic materials treated by ionitriding. These rods are with higher abrasive resistance, making higher gradient, stronger attraction force and higher recovery. Benefits of DLS HGMS
  • 26. YYDLS The magnetic materials with low resistance, high permeability and optimal designed matrix make the high gradient and excellent performance available in lower background intensity and lower excitation power. The matrix can be de-gaussing in a short time, and the remanence is low, concentrates are easily unloaded with less water. Energy-saving Water-saving Benefits of DLS HGMS
  • 27. YYDLS Safe and Stable Long Service Life The magnetic materials is electrical pure iron DT4C (Fe: 99.5%)made by Taiyuan Iron & Steel (Group) Co., Ltd., raised the background intensity to 12000GS, much higher than Q235 steel (10000 GS). The excitation coils are fastened with epoxy resin adhesive to avoid vibration after electrified, thus protecting the insulation of coils, prevent short circuit and prolonging the service life. Electronic components, driving medium, such as bearings, reducer, belt and motor are high-quality products in and abroad, and rubber tube valve ensure the security and high performance of our magnetic separator. The driving part is joined by expansion sleeve instead of flat key, improving the stability. Benefits of DLS HGMS The excitation coils are fastened with epoxy resin adhesive to avoid vibration after electrified, thus protecting the insulation of coils, prevent short circuit and prolonging the service life. Electronic components, driving medium, such as bearings, reducer, belt and motor are high-quality products in and abroad, and rubber tube valve ensure the security and high performance of our magnetic separator.
  • 28. YYDLS The magnetic materials is electrical pure iron DT4C (Fe: 99.5%)made by Taiyuan Iron & Steel (Group) Co., Ltd., raised the background intensity to 12000GS, much higher than Q235 steel (10000 GS). The speed of rotary ring and the frequency of high- frequency vibration box (stroke box) are infinitely variable controlled, making the best process parameter. Remote control is available. Automatic control of liquid level without human operation, improving the stability of beneficiation. Benefits of DLS HGMS Convenient Operation
  • 29. YYDLS Calculation Results and Introduction of Magnetic Intensity of HGMS Structure Scheme, Test Organization Super Conducting Magnet Center, Institute of High Energy Physics of Chinese Academy of Sciences Company Yueyang Dalishen Electromagnetic Machinery Co., Ltd. Method ANSYS Finite Element Method software, 3D model of magnetic materials 2D model of matrix Material materials of yoke, iron core and magnetic pole are DT4 electronic pure iron
  • 30. YYDLS ANSYS Finite Element Model Since the magnetic materials are symmetrical, 1/4 syntactic model is enough for calculation. The syntactic model is as seen Figure 1, the crimson part is magnet yoke, light blue part is iron core, the pink part is the inside circle magnetic pole and the middle part is the gap for matrixes. Fig.1 3D Model
  • 31. YYDLS Fig.2 3D model finite element meshing & coil model ANSYS Finite Element Model
  • 32. YYDLS Value: A=250mm ; width of coil: 400mm; thickness of coil: 300mm; distance from central magnetic body to inside of yoke: 1200mm; turns of one coil: 3.125x105 AN. Scheme (DLS-200)Ⅰ Result 1 Magnetic field distribution of the central section of circle magnetic body Fig.1-1 Magnetic fields clouds map of the section
  • 33. YYDLS Fig. 1-2 magnetic field contour maps of the central section Intensity of the central magnetic field is measured as about 1.3T through collecting the intensity of nodal points on the central section. Scheme 1 (DLS-200)
  • 34. YYDLS Result of SchemeⅠ Magnetic fields distribution of yoke, iron core and magnetic pole Fig. 1-3 magnetic field clouds map
  • 35. YYDLS As seen from the figures, the magnetic intensity of the iron core and magnetic pole is very close to the magnetic saturation of magnetic materials, especially the core. To maintain the intensity of central magnetic field, increase the sectional area of iron core and decease the area of coil. Fig.1-4 vector distribution of magnetic fieldResult of SchemeⅠ
  • 36. YYDLS Value : A=350mm; width of coil: 500mm; thickness of coil: 400mm; distance between central magnetic body and inside of yoke: 1600mm; Turns of one coil : 5.388x105 AN ; Scheme (DLS-250)Ⅱ Result Magnetic field distribution of the central section of circle magnetic body Fig2-1 Magnetic fields clouds map of section
  • 37. YYDLS Fig. 2-2 magnetic field contour maps of the central section The intensity of the central magnetic field is measured as about 1.3T through collecting the intensity of nodal points on the central section. Scheme (DLS-250)Ⅱ
  • 38. YYDLS Result of Scheme Ⅱ Fig. 2-3 magnetic field clouds map Magnetic fields distribution of yoke, iron core and magnetic pole
  • 39. YYDLS As seen from the figures, the magnetic intensity of the iron core and magnetic pole is very close to the magnetic saturation of magnetic materials, especially the core. To maintain the intensity of central magnetic field, increase the sectional area of iron core and decease the area of coil. Fig.2-4 vector distribution of magnetic field Result of Scheme Ⅱ
  • 40. YYDLS Since the jagged magnetic rod is very different with magnetic body, for the sake of convenient modeling, we build a 2D model of magnetic rods in 1.2 T magnetic field. The magnetic vector is in the direction of Y axis and is perpendicular to magnetic rod. The calculated result of 4x4 magnetic rods in the central magnetic field is as following: Fig.3.1 clouds map of magnetic field with jagged rods 1. The distribution of magnetic field with jagged rods and the distribution of magnetic intensity and gradient. Intensity of Jagged Rods in Matrix
  • 41. YYDLS Fig. 3.2 magnetic vector map of magnetic field with jagged rod 1) The distribution of magnetic field with jagged rods and the distribution of magnetic intensity and gradient. Intensity of Jagged Rods in Matrix
  • 42. YYDLS The magnetic field intensity of jagged rod is obviously higher than that of the basic background magnetic field, and the gradient is much higher which varies periodically according to the distribution of jagged rod. Curves of the magnetic inductive intensity and its gradient Fig.3.3 distribution curve B parallel to Y axis x=0.008m Intensity of Jagged Rods in Matrix
  • 43. YYDLS Curves of the magnetic inductive intensity and its gradient Fig.3.4 distribution curve dB/dy parallel to Y axis, x=0.008m Intensity of Jagged Rods in Matrix
  • 44. YYDLS Fig.3.5 distribution curve B parallel to Y axis, x=0.006m Curves of the magnetic inductive intensity and its gradient Intensity of Jagged Rods in Matrix
  • 45. YYDLS Fig.3.6 distribution curve dB/dy parallel to Y axis, x=0.006m Curves of the magnetic inductive intensity and its gradient Intensity of Jagged Rods in Matrix
  • 46. YYDLS Fig. 3.7 magnetic field distribution of jagged rod Intensity of Jagged Rods in Matrix
  • 47. YYDLS Fig 3.8 magnetic line of matrix with jagged rods Intensity of Jagged Rods in Matrix
  • 48. YYDLS Magnetic intensity of smooth rods is smaller than jagged rods, the magnetic gradient in peripheral direction is almost equal to jagged rods and varies periodically according to the distribution of rods. Intensity of Smooth Rod Inside Matrix 2. The distribution of magnetic field with smooth rods and the distribution of magnetic intensity and gradient. Fig. 3.9 clouds map of magnetic field with smooth rods
  • 49. YYDLS Fig.3.10 magnetic vector of magnetic field with smooth rod 2. The distribution of magnetic field with smooth rods and the distribution of magnetic intensity and gradient. Intensity of Smooth Rod Inside Matrix
  • 50. YYDLS Relative curves of magnetic inductive intensity and its gradient Fig.3.12 distribution curve dB/dy parallel to Y axis when x=0.008m Intensity of Smooth Rod Inside Matrix
  • 51. YYDLS Fig.3.12 distribution curve dB/dy parallel to Y axis when x=0.008m Relative curves of magnetic inductive intensity and its gradient Intensity of Smooth Rod Inside Matrix
  • 52. YYDLS Note: the value of B in some interval seems like liner or straight line (constant). This is because the interval is very short (1 or 2 mm). In fact, the value is not constant. Distribution curves of magnetic field with smooth rods and the distribution of magnetic intensity and gradient of magnetic Fig.3.13 distribution curve B parallel to Y axis when x=0.006m Intensity of Smooth Rod Inside Matrix
  • 53. YYDLS Fig.3.14 distribution curve dB/dy parallel to Y axis, x=0.006m Distribution curves of magnetic field with smooth rods and the distribution of magnetic intensity and gradient of magnetic Intensity of Smooth Rod Inside Matrix
  • 54. YYDLS Fig.3.16 Magnetic line of magnetic field with smooth rods Intensity of Smooth Rod Inside Matrix
  • 55. YYDLS Fig.3.16 Magnetic line of magnetic field with smooth rods Intensity of Smooth Rod Inside Matrix
  • 56. YYDLS The following is the distribution curve of B and dB/dy on the straight line of 1.8 mm next to X axis and parallel to Y axis Fig.3.17 distribution curve of B parallel to Y axis, x=0.008m Intensity of Smooth Rod Inside Matrix
  • 57. YYDLS The following is the distribution curve of B and dB/dy on the straight line of 1.8 mm next to X axis and parallel to Y axis Fig.3.18 distribution curve of dB/dy parallel to Y axis, x=0.008m Intensity of Smooth Rod Inside Matrix
  • 58. YYDLS Structure Scheme and Calculation 1. The magnetic system structure of DLS-200 and DLS-250 is science. Theoretical calculation of magnetic intensity of central air gaps of magnetic poles is 1.3T (13000GS), reached the expected value of 1.2T (12000GS) Conclusion 2. It is obvious that the magnetic intensity of magnetic field with jagged rods is higher than that with smooth rods. The intensity on jagged rods is up to 3.148T (31480GS), while the intensity of smooth rods is up to 2.573T (25730GS). With jagged rods, the magnetic gradient is several times higher, and the db/dy varies dramatically. With smooth rods, the gradient is slightly increased and the gradient db/dy varies gently. 3. According to Fm=μ×ν×B×(dB/dy), the format forces acting upon the particles in magnetic field, and the calculated result above mentioned, the magnetic force on particles in magnetic field with jagged rods is much higher than that in magnetic field with smooth rods.
  • 59. YYDLS 2010 User List No. Company Model Q.t.y materials 1 Shandong Binzhou Weiqiao Aluminium Industrial Technology Co., Ltd. DLS-200 9 Red mud 2 Shandong Xinfa Renewable Energy Co., Ltd. DLS-200 3 Red mud 3 Jinan Steel (Group) Co. DLS-200 3 Hematite 4 Liaoning Huludao Bajiazi Mining Co., Ltd. DLS-200 3 MnCO3 5 Shanxi Heigou Iron Mining Co., Ltd. DLS-200 2 Hematite and Limonite 6 Henan Songshan Heavy Industries Co.,Ltd. DLS-200 6 Hematite and magnetite 7 Henan Songshan Heavy Industries Co.,Ltd. DLS-250 2 Hematite and magnetite 8 Dandong New Silk Road Trading Co., Ltd. DLS-200 4 Limonite 9 Dandong New Silk Road Trading Co., Ltd. DLS-250 1 Limonite 10 Liaocheng Jiachang Renewable Resources Co., Ltd. DLS-200 4 Hematite
  • 60. YYDLS 11 Kunming Xichen Mining Co., Ltd. DLS-200 8 Hematite and magnetite 12 Shandong Lijing Mining Company DLS-200 2 Silica Sand 13 Gansu Zixin Mining Co., Ltd. DLS-200 2 Andalusite 14 Pingjiang Feldspar Mineral Company DLS-200 2 Feldspar 15 Shandong Lijing Silica Sand (Group) Co., Ltd. DLS-200 2 Silicon Sand 16 Indian Kejem Pvt DLS-200 4 Hematite 17 Mr. Li Weixin in Guangdong DLS-200 2 Feldspar 18 Hainan Mining Co., Ltd. DLS-200 1 Hematite 19 Hainan Mining Co., Ltd. DLS-250 4 Hematite 20 Shandong Nanshan Aluminum Co., Ltd. DLS-200 2 Red mud 21 China Aluminum Corp.Pingguo Branch DLS-200 4 Red mud 22 China Aluminum Corp. Zhongzhou Branch DLS-200 1 Red mud 2010 User List
  • 61. YYDLS Application on site
  • 62. YYDLS Application on site
  • 63. YYDLS Trommel screen is used for dreg insulation to assist DLS magnetic separator and for other necessary working. Advantages: low speed, high abrasive resistance, less trouble and easy for operation and maintenance. DL Trommel Screen
  • 64. YYDLS DLSD series magnetic separator (Patent No.: ZL200920065387.3) is for super high grade of non-metal beneficiation, it is specially designed by YYDLS, introduced with the latest international technologies on magnetic separators. It is now the best high intensity electromagnetic separator in China with advantages of high flexibility to various concentrations of pulp, particles sizes and mineral grades. Being easy and safe for operation and maintenance, it is the ideal equipment for iron removal of non-metallic minerals. Pair-pole High Intensity Magnetic Separator DLSD Series
  • 65. YYDLS * For refining (iron and titanium removal) nonmetallic minerals, such as quartz, feldspar, nepheline, fluorite, sillimanite, spodumene, kaolin, etc. * For refining low-intensity magnetic separation. Pair-pole High Intensity Magnetic Separator DLSD Series
  • 66. Pair-pole High Intensity Magnetic Separator DLSD Series DLSD Magnetic Separator Structure
  • 67. Pair-pole High Intensity Magnetic Separator DLSD Series Working Principle The magnetic field of this machine is produced by electrified copper coils. The magnetic lines pass through the matrix, making high gradient. When mineral pulp with magnetic particles traverses the matrix from the bottom of the machine, magnetic particles are attracted by the high magnetic field on the surface of magnetic medium. All valves and electronic components are controlled by PLC software, and the magnetic particles will be removed automatically.
  • 68. YYDLS Dry Drum Type Permanent Magnetic Separator CXJ series are for beneficiation of high intensity magnetic minerals, such as magnetite, titanic magnetite, franklinite, pyrrhotite, oxymagnetite, and for removal of iron in metallurgy, coal industry, mining, insulation material, cement industry, chemistry, building material and food industry, etc. with large processing capacity. Dry Drum Type Permanent Magnetic Separator CXJ
  • 69. YYDLS It is suitable for dressing and refining strong magnetic particles(≤10mm) and recovery of heavy magnetic medium, and removing iron. Features: high intensity, strong attraction force and high separating efficiency, free of maintenance, energy saving, safe and reliable. Dry Drum Type Permanent Magnetic Separator CXJ
  • 70. YYDLS Functions: 1. discarding tailings and purifying coarse particles of feebly magnetic minerals, such as hematite, limonite, manganese, etc. 2. processing of non- metallic minerals, such as silica, sillimanite, rutile, kyanite, garnet, quartz, frigidite, feldspar, zircon, adamantite, diamond, etc. 3. removing magnetic impurities from abrasives, catalysis and other powders. Dry Roll Type Permanent Magnetic Separator CR Series
  • 71. YYDLS Wet Rare Earth Drum Magnetic Separator CT The CT series MS are for removing strong magnetic substances, such as magnetite, Ti magnetite, franklinite, pyrrhotite, maghemite, etc. from week magnetic metals and non magnetic materials by wet concentration. Three types: 1. Half counter-flow tank (CTB) 2. Direct flow type (CTS) 3. Counter flow type (CTN)
  • 72. YYDLS Thank you! www.yydls.com Tel:+86-730-7600700 Email: sp@yydls.com