Scale inhibition and sterilization device based on multiple alloy materials

Abstract

The invention discloses a scale inhibition and sterilization device based on multiple alloy materials, which comprises an inlet reducer, a scale inhibition and sterilization device cylinder and an outlet reducer which are connected in sequence, and multiple stages of sterilization rod assemblies arranged at preset intervals are arranged in the scale inhibition and sterilization device cylinder. Each stage of sterilization rod assembly comprises a plurality of parallel alloy scale inhibition and sterilization rods, two ends of each alloy scale inhibition and sterilization rod are fixedly connected with the scale inhibition and sterilization device barrel, the inlet reducer is connected with the water inlet end pipeline, and the outlet reducer is connected with the water outlet end pipeline. And the sterilization rod assemblies are arranged in rows and are sequentially arranged in a staggered manner at an angle of 30 degrees from the water inlet end to the water outlet end. The sterilization rod is prepared from various alloy materials such as copper, zinc and tin, various mechanisms such as metal ion sterilization and primary batteries are utilized, the scale inhibition and sterilization effects on wastewater are achieved, the method is suitable for various wastewater treatment scenes such as reverse osmosis water supply and circulating water scale inhibition and sterilization, and the dosing cost of a system is greatly reduced while the good scale inhibition and sterilization effects are achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of wastewater treatment, and in particular relates to a scale inhibition and sterilization device based on multiple alloy materials. Background Art

[0002] Wastewater usually contains a variety of pollutants that need to be removed through different treatment processes. Scaling and microbial contamination are common problems in water treatment, and are commonly found in various wastewater treatment systems with high hardness and high COD. Existing treatment processes generally use methods such as adding scale inhibitors, softeners and bactericides to remove hardness, prevent scale and sterilize incoming water. Although this method has a certain treatment effect, it has many problems such as poor response time to changes in incoming water volume and water quality, and high operating costs.

[0003] Therefore, it is necessary to propose a scale inhibition and sterilization device with simple structure, good operation effect and low treatment cost, so as to solve the problems of high drug consumption and unstable treatment effect existing in the above-mentioned existing treatment process. Summary of the invention

[0004] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a scale inhibition and sterilization device based on multiple alloy materials for use in a scale inhibition and sterilization unit in a wastewater treatment system.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is: A scale-preventing and sterilizing device based on multiple alloy materials comprises an inlet reducer, a scale-preventing and sterilizing device cylinder and an outlet reducer which are sequentially connected. A plurality of sterilization rod assemblies arranged at predetermined intervals are arranged in the scale-preventing and sterilizing device cylinder. Each level of the sterilization rod assembly comprises a plurality of alloy scale-preventing and sterilizing rods arranged in parallel. Both ends of each alloy scale-preventing and sterilizing rod are fixedly connected to the scale-preventing and sterilizing device cylinder. The inlet reducer is connected to a water inlet pipe, and the outlet reducer is connected to a water outlet pipe.

[0006] Preferably, the scale inhibition and sterilization device based on multiple alloy materials is suitable for systems for scale inhibition and sterilization of various types of wastewater, and is particularly suitable for reverse osmosis water inlet, circulating water bypass scale inhibition and sterilization systems.

[0007] Preferably, the alloy anti-scaling and sterilizing rod is made of copper as the base material, compounded with metal elements such as zinc, nickel, tin, and doped with a small amount of rare earth elements. The metal ions in the multiple alloy materials are used to destroy the normal physiological functions of the bacteria through various mechanisms such as oxidation and inhibition to achieve a sterilization effect. The primary battery constructed by different metal ions such as copper and zinc changes the crystal structure and chemical composition in the wastewater to achieve a good anti-scaling effect.

[0008] Preferably, the cylinder of the scale prevention and sterilization device is cylindrical, and its diameter is one to two levels larger than the diameter of the pipe at the intended installation location, that is, 1-2 times the diameter of the water inlet pipe or the water outlet pipe, to ensure sufficient flow area. The two ends are connected to the water inlet pipe and the water outlet pipe to be installed through the inlet reducer and the outlet reducer respectively. The diameters of the water inlet pipe and the water outlet pipe are the same.

[0009] Preferably, the alloy anti-scaling and sterilizing rod is made into a round stick shape with a diameter of 5-6mm and elliptical protrusions evenly distributed on it with a height of 2-3mm. The arc-shaped design reduces the resistance of the sterilizing rod to the incoming water, increases the contact area with the incoming water, and improves the anti-scaling and sterilizing effect.

[0010] Preferably, both ends of the alloy anti-scaling and sterilizing rod are connected to the cylinder of the anti-scaling and sterilizing device by welding or slotting, the spacing between adjacent alloy anti-scaling and sterilizing rods of the sterilizing rod assembly is 15-20 mm, and the length of each alloy anti-scaling and sterilizing rod is cut and determined according to the cross-sectional size of the cylinder of the anti-scaling and sterilizing device. The circular protrusions on adjacent alloy anti-scaling and sterilizing rods are staggered to optimize the flow field layout of the wastewater.

[0011] Preferably, the multi-stage sterilization rod assemblies are arranged in rows, staggered at an angle of 30° from the water inlet to the water outlet, that is, the alloy anti-scaling and sterilization rods of the first-stage sterilization rod assembly are arranged at 0°, the second stage at 30°, the third stage at 60°, the fourth stage at 90°, and so on; the spacing between two adjacent rows of sterilization rod assemblies is 25-30 mm to achieve turbulence of the incoming water, thereby increasing the probability of collision between the pollution factors in the water and the alloy anti-scaling and sterilization rods, and improving the anti-scaling and sterilization effect.

[0012] Preferably, one end of the inlet reducer is connected to the water inlet pipeline, and the other end is connected to the cylinder of the scale inhibition and sterilization device through a flange; one end of the water outlet reducer is connected to the cylinder of the scale inhibition and sterilization device through a flange, and the other end is connected to the water outlet pipeline.

[0013] Preferably, the scale inhibition and sterilization device can have multiple cylinders, adopting a segmented design. Adjacent scale inhibition and sterilization device cylinders are connected by flanges in the middle, and can be assembled in any number of sections according to actual project needs to expand the surface area of ​​the scale inhibition and sterilization rods in the device, achieve good scale inhibition and sterilization effects, and be easy to disassemble and clean in segments.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The scale inhibition and sterilization device based on multiple alloy materials of the present invention realizes the scale inhibition and sterilization effect of wastewater by using sterilization rods made of various alloy materials such as copper, zinc, tin, etc., and utilizing various mechanisms such as metal ion sterilization and primary batteries. It is suitable for various wastewater treatment scenarios such as reverse osmosis water supply and circulating water scale inhibition and sterilization. While achieving good scale inhibition and sterilization effects, it greatly reduces the system's dosing cost.

[0015] 2. The new alloy material sterilization rod structure of the present invention is combined with software to perform flow field simulation. Elliptical protrusions are designed on the alloy rods and arranged in a staggered manner. Each layer of sterilization rods is staggered at an angle of 30°. While effectively controlling the pressure drop of the equipment body, the turbulence effect of the water supply is improved, and the contact reaction between the wastewater and the scale inhibition and sterilization material is strengthened, thereby achieving the best scale inhibition and sterilization ability of the device.

[0016] 3. The scale-preventing and sterilizing device of the present invention is designed with a segmented body structure, and the flange can be easily disassembled to realize offline cleaning of each section of the scale-preventing and sterilizing device. By reasonably controlling the length of each section of the scale-preventing and sterilizing device body, the flushing effect of the high-pressure water gun during offline cleaning can be ensured to ensure the long-term and efficient use of the equipment. The total length of the scale-preventing and sterilizing device of the present invention can be freely adjusted to meet the actual needs of treatment systems of different scales. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic structural diagram of a scale inhibition and sterilization device based on multiple alloy materials of the present invention; In the figure: 1. Import reducer; 2. Scale inhibition and sterilization device cylinder; 3. Alloy scale inhibition and sterilization rod; 4. Export reducer. DETAILED DESCRIPTION

[0018] To make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention. Example 1

[0019] The circulating cooling water system of a power plant uses a natural ventilation cooling tower with a designed concentration ratio of 3.5 times. Antiscalants are added to the circulating water system to control the tendency of scaling, and sodium hypochlorite is added for sterilization and algae removal. A circulating water bypass treatment system is designed with a treatment capacity of 150m³ / h to sterilize the circulating water. Figure 1 Schematic diagram of the structure of a scale prevention and sterilization device based on multiple alloy materials used for this project.

[0020] The sterilization and scale inhibition device of the present embodiment comprises: an inlet reducer 1, a scale inhibition and sterilization device cylinder 2, an alloy scale inhibition and sterilization rod 3, and an outlet reducer 4.

[0021] The diameter of the circulating water bypass treatment system return pipe of the power plant is DN150mm, the diameter of the cylinder 2 of the scale prevention and sterilization device is designed to be DN200mm, and the length of each section is 270mm, with a total of 2 sections. The internal alloy scale prevention and sterilization rod 3 has a diameter of 6mm, an elliptical protrusion height of 3mm, and each row of sterilization rods is 30mm apart and arranged at an inclination angle of 30°.

[0022] Under normal system operation, the circulating water bypass feed water enters the cylinder 2 of the anti-scaling and sterilizing device from the inlet reducer 1, and the alloy anti-scaling and sterilizing rod 3 made of multiple alloy materials disturbs the turbulent flow of the incoming water. The microorganisms and calcium and magnesium ions in the circulating water repeatedly collide with the surface of the alloy anti-scaling and sterilizing rod 3, and the outlet water flows back to the cooling water pool through the outlet reducer 4 to achieve the anti-scaling and sterilizing treatment of the circulating water. After running for a period of time, the differential pressure is monitored through the pressure gauge and differential pressure transmitter installed on the inlet and outlet pipelines, the cylinder 2 of the anti-scaling and sterilizing device is removed by bolts, and the alloy anti-scaling and sterilizing rod 3 inside the cylinder 2 of the anti-scaling and sterilizing device is flushed and cleaned by a high-pressure water gun. After rinsing, reinstall them in order. Example 2

[0023] The hot water boiler system of a pharmaceutical manufacturer uses lime / soda ash softening to inhibit scaling tendency and ultraviolet irradiation for sterilization. A circulating water bypass treatment system with a treatment capacity of 100m³ / h is designed to sterilize the circulating water.

[0024] The sterilization and scale inhibition device of this embodiment comprises: an inlet reducer, a scale inhibition and sterilization device cylinder, an alloy scale inhibition and sterilization rod, and an outlet reducer.

[0025] The diameter of the circulating water bypass treatment system return pipe of the hot water boiler system is DN100 mm, the diameter of the cylinder of the designed anti-scaling and sterilizing device is DN150 mm, the length of each section is 240 mm, and there are 2 sections in total. The internal alloy anti-scaling and sterilizing rod has a diameter of 5 mm, the height of the elliptical protrusion is 2 mm, and each row of sterilizing rods is 28 mm apart and arranged at an inclination angle of 30°.

[0026] Under normal system operation, the circulating water bypass feed water enters the cylinder of the anti-scaling and sterilizing device from the inlet reducer, and the anti-scaling and sterilizing rod made of multiple alloy materials disturbs the turbulent flow of the incoming water. The microorganisms and calcium and magnesium plasma in the circulating water repeatedly collide with the surface of the sterilizing rod, and the outlet water flows back to the cooling water pool through the outlet reducer to achieve the anti-scaling and sterilizing treatment of the circulating water. After running for a period of time, the differential pressure is monitored through the pressure gauge and differential pressure transmitter installed on the inlet and outlet pipelines, the cylinder of the anti-scaling and sterilizing device is removed by bolts, and the anti-scaling and sterilizing rod inside the cylinder of the sterilizing device is flushed and cleaned by a high-pressure water gun. After rinsing, reinstall them one by one.

[0027] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A scale inhibition and sterilization device based on multiple alloy materials, characterized in that: It includes an inlet reducer, a scale inhibition and sterilization device cylinder and an outlet reducer which are connected in sequence. A plurality of sterilization rod assemblies which are arranged at predetermined intervals are arranged in the scale inhibition and sterilization device cylinder. Each level of the sterilization rod assembly includes a plurality of alloy scale inhibition and sterilization rods which are arranged in parallel. Both ends of each alloy scale inhibition and sterilization rod are fixedly connected to the scale inhibition and sterilization device cylinder. The inlet reducer is connected to the water inlet pipe, and the outlet reducer is connected to the water outlet pipe. The sterilization rod assemblies are arranged in rows, and are staggered at an angle of 30° from the water inlet to the water outlet.

2. The scale inhibition and sterilization device based on multiple alloy materials according to claim 1 is characterized in that: The alloy anti-scaling and sterilizing rod is made of copper as a base material, compounded with zinc, nickel and tin metal elements, and doped with a small amount of rare earth elements.

3. The scale inhibition and sterilization device based on multiple alloy materials according to claim 2 is characterized in that: The alloy anti-scaling and sterilizing rod is in the shape of a round stick with a diameter of 5-6 mm; oval protrusions are evenly distributed on the alloy anti-scaling and sterilizing rod with a height of 2-3 mm.

4. The scale inhibition and sterilization device based on multiple alloy materials according to claim 1 is characterized in that: The spacing between adjacent alloy anti-scaling and sterilizing rods of the sterilizing rod assembly is 15-20 mm.

5. The scale inhibition and sterilization device based on multiple alloy materials according to claim 1 is characterized in that: Both ends of each alloy anti-scaling and sterilizing rod are connected to the cylinder of the anti-scaling and sterilizing device by welding or slotting; the length of each alloy anti-scaling and sterilizing rod is cut and determined according to the cross-sectional size of the cylinder of the anti-scaling and sterilizing device.

6. The scale inhibition and sterilization device based on multiple alloy materials according to claim 1, characterized in that: The spacing between adjacent sterilization rod components is 25-30 mm.

7. The scale inhibition and sterilization device based on multiple alloy materials according to claim 1 is characterized in that: There are multiple cylinders of the anti-scaling and sterilizing device, and adjacent cylinders of the anti-scaling and sterilizing device are connected via flanges.

8. The scale inhibition and sterilization device based on multiple alloy materials according to claim 7 is characterized in that: The cylinder of the scale prevention and sterilization device is cylindrical, and its diameter is 1-2 times the diameter of the water inlet pipe or the water outlet pipe, and the water inlet pipe and the water outlet pipe have the same diameter.

9. The scale inhibition and sterilization device based on multiple alloy materials according to claim 7, characterized in that: One end of the inlet reducer is connected to the water inlet pipeline, and the other end is connected to the cylinder of the scale prevention and sterilization device through a flange; one end of the water outlet reducer is connected to the cylinder of the scale prevention and sterilization device through a flange, and the other end is connected to the water outlet pipeline.

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