Reverse osmosis ultrafiltration type nickel-containing wastewater treatment system

Abstract

The invention discloses a reverse osmosis ultrafiltration type nickel-containing wastewater treatment system, relates to the technical field of wastewater treatment, and solves the problem of poor treatment effect on impurities in nickel-containing wastewater. The reverse osmosis ultrafiltration type nickel-containing wastewater treatment system comprises a plurality of reverse osmosis filtering tanks, a reverse osmosis ultrafiltration type wastewater treatment mechanism is arranged in the reverse osmosis filtering tank; the permeate input pipe is communicated with one side of the reverse osmosis ultrafiltration type wastewater treatment mechanism; the permeate output pipe is communicated with the other side of the reverse osmosis ultrafiltration type wastewater treatment mechanism; and the concentrated water pipe is communicated with the reverse osmosis filtering tank and is arranged on the side surface of the reverse osmosis ultrafiltration type wastewater treatment mechanism. According to the nickel-containing wastewater treatment device, through power generated during tangential conveying of the nickel-containing wastewater, the hollow pipe can generate centrifugal force to push the nickel-containing wastewater on the inner side of the reverse osmosis membrane to penetrate through the reverse osmosis membrane, the direct contact area of the nickel-containing wastewater and the reverse osmosis membrane is enlarged, and the effect and capacity of the reverse osmosis membrane for separating impurities in the nickel-containing wastewater are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of wastewater treatment, and particularly to a reverse osmosis ultrafiltration nickel-containing wastewater treatment system. Background Art

[0002] In industries such as electroplating, battery manufacturing, and stainless steel manufacturing, nickel ions are required as plating metals for surface treatment operations of various products. At this time, a large amount of wastewater containing nickel ions will be generated. Since the concentration of nickel ions in these wastewaters is usually relatively high, in order to ensure that the wastewater discharge meets the standards, it is necessary to centrally treat the nickel-containing wastewater. Common treatment methods include: reverse osmosis.

[0003] Reverse osmosis is a reverse migration movement of osmosis. It is a separation method that, under the drive of pressure, separates the solute and solvent in a solution by means of the selective retention of a semi-permeable membrane. It has been widely used in the purification and concentration of various liquids. The most common application example is in the water treatment process, where reverse osmosis technology is used to remove inorganic ions, bacteria, viruses, organic matter, colloids, and other impurities in raw water to obtain high-quality pure water.

[0004] However, the nickel-containing wastewater treatment system has the following defects in specific use: 1. When the existing wastewater treatment system treats nickel-containing wastewater, it generally first filters large particulate impurities in the wastewater through a variety of ultrafiltration devices, and then enters the interior of the reverse osmosis device to remove smaller particulate impurities such as nickel ions, obtaining pure water and liquid that meets the discharge standards. However, when the wastewater actually enters the interior of the reverse osmosis device, some tiny impurities inside or residues inside the conveying pipeline will also be conveyed into the reverse osmosis device together, damaging the reverse osmosis membrane inside the reverse osmosis device and affecting the effect of wastewater treatment. At the same time, the movement direction of the wastewater inside the reverse osmosis device is generally horizontal, making it difficult to fully contact the reverse osmosis membrane, and the effect of treating impurities in the wastewater is poor; 2. When the ultrafiltration structure in the existing wastewater treatment system treats impurities in the wastewater, in order to reduce costs, it generally uses a conical ultrafiltration mesh to separate and treat the impurities. However, when the traditional conical ultrafiltration mesh separates and treats impurities in flowing wastewater, the impact direction of the wastewater is set perpendicular to the filter mesh, making it difficult to effectively guide the liquid through the conical ultrafiltration mesh. There is a large resistance when filtering the wastewater, and the conical ultrafiltration mesh is prone to deformation and damage due to continuous impact force. At the same time, the contact area between the wastewater and the conical ultrafiltration mesh is small, and the filtering effect on impurities is poor. Summary of the Invention

[0005] The purpose of the present invention is to provide a reverse osmosis ultrafiltration nickel-containing wastewater treatment system to solve the problems raised in the above background art.

[0006] To achieve the above-mentioned invention purpose, the present invention adopts the following technical solutions: The present invention provides a reverse osmosis ultrafiltration nickel-containing wastewater treatment system, including: a plurality of reverse osmosis filtration tanks; a reverse osmosis ultrafiltration wastewater treatment mechanism disposed inside the reverse osmosis filtration tank; a permeate input pipe connected to one side of the reverse osmosis ultrafiltration wastewater treatment mechanism; a permeate output pipe connected to the other side of the reverse osmosis ultrafiltration wastewater treatment mechanism; and a concentrated water pipe connected to the reverse osmosis filtration tank and disposed on the side of the reverse osmosis ultrafiltration wastewater treatment mechanism. The reverse osmosis ultrafiltration wastewater treatment mechanism includes: an input component installed on one side inside the reverse osmosis filtration tank; a reverse osmosis component connected to the input component; a funnel pipeline disposed on the side of the reverse osmosis component; a reciprocating lead screw disposed at the center inside the funnel pipeline and connected to the reverse osmosis component; a conical ultrafiltration net installed outside the reciprocating lead screw and on one side of the reverse osmosis component; a reciprocating cleaning component disposed outside the reciprocating lead screw and abutting against the outside of the conical ultrafiltration net; and an output component connected to the reciprocating lead screw and installed on the other side inside the reverse osmosis filtration tank, and the output component is communicated with the permeate output pipe. Among them, a plurality of the reverse osmosis components, reciprocating lead screws, conical ultrafiltration nets, and reciprocating cleaning components are provided, and a plurality of oblique through holes are formed on one side of the funnel pipeline away from the conical ultrafiltration net.

[0007] As a preferred solution of the present invention, the bottoms of the plurality of permeate output pipes are communicated with a centralized water production pipe, a liquid pump is disposed on the top of the centralized water production pipe, and the permeate output pipe extends to the side of the conical ultrafiltration net.

[0008] As a preferred solution of the present invention, the input component includes: an input part disposed on one side inside the reverse osmosis filtration tank; an input pump rotatably connected inside the input part and extending outside the input part; and movable fan blades installed outside the input pump. Among them, a reverse osmosis component is installed outside the bottom of the input pump, and the input part is installed on one side of the reverse osmosis component.

[0009] As a preferred solution of the present invention, the upper and lower ends of the input part near one side of the movable fan blades are communicated with a wastewater input pipeline, the wastewater input pipeline extends outside the reverse osmosis filtration tank, and the wastewater input pipeline is tangentially arranged with the movable fan blades.

[0010] As a preferred embodiment of the present invention, the reverse osmosis assembly includes: a fitting sleeve installed on the side of the input component by screws and located inside the reverse osmosis filtration tank; an embedding ring arranged inside the fitting sleeve; a reverse osmosis membrane installed inside the embedding ring by screws; a sealing ring sleeve installed on the side of the fitting sleeve by screws and located outside the reverse osmosis membrane; a central through pipe movably connected to the center inside the reverse osmosis membrane; and a plurality of side flow openings opened inside the central through pipe.

[0011] As a preferred embodiment of the present invention, an input pump is installed inside one side of the central through pipe, a reciprocating lead screw is connected to the other side of the central through pipe, there are two fitting sleeves and embedding rings, and a funnel pipeline extending to the outside is installed inside the other fitting sleeve. Wherein, the reverse osmosis membrane is composed of a plurality of sieve membranes, a plurality of diaphragm membranes and a plurality of RO membranes arranged alternately, and a certain gap is left between adjacent two membrane layers, and a plurality of flow through holes are opened inside the fitting sleeve.

[0012] As a preferred embodiment of the present invention, the cross-sectional area of the conical ultrafiltration net near the fitting sleeve is larger than that near the reciprocating lead screw, the conical ultrafiltration net is installed on the side of the side bracket, the side bracket is movably connected inside the funnel pipeline, and a plurality of diversion parts are opened inside the side bracket. Wherein, the reciprocating lead screw is composed of central connecting rods on the left and right sides and an intermediate lead screw in the middle part, the central connecting rods are connected to the central through pipe, and a reciprocating cleaning assembly is arranged outside the intermediate lead screw. Wherein, the bottom of the central through pipe at the bottom is communicated with an output assembly.

[0013] As a preferred embodiment of the present invention, the reciprocating cleaning assembly includes: a horizontal slider connected to the outside of the intermediate lead screw by balls; guide blocks installed on the upper and lower sides of the horizontal slider; guide rods slidably connected to the guide blocks and installed at the eccentric position on the side of the side bracket; side connecting rods installed on the left and right sides of the guide blocks and internally slidably connected with guide rods; a protruding rod installed inside the side connecting rods by screws and extending to one side of the side bracket; and a rubber head installed outside the protruding rod and in contact with the conical ultrafiltration net.

[0014] As a preferred embodiment of the present invention, the output assembly includes: a conical pipeline installed inside the bottom of the funnel pipeline; a drain valve arranged inside the conical pipeline and communicated with the central through pipe, and the bottom of the drain valve is communicated with a permeate output pipe. Compared with the prior art, the above one or more technical solutions have the following beneficial effects: 1. In a reverse osmosis ultrafiltration nickel-containing wastewater treatment system, when reprocessing the pretreated nickel-containing wastewater, the power generated by tangentially transporting the wastewater can drive the movable fan blades to rotate continuously, causing the central through-tube arranged inside the reverse osmosis membrane to rotate continuously. This generates a centrifugal force to move the permeate transported inside the central through-tube to the inside of the reverse osmosis membrane, and generates a force to push the wastewater inside the reverse osmosis membrane through the reverse osmosis membrane, expanding the contact area between the wastewater and the reverse osmosis membrane, and enhancing the separation effect and ability of the reverse osmosis membrane to separate impurities in the wastewater. At the same time, when the central through-tube rotates, it can also drive the conical ultrafiltration net to rotate and the rubber head to move reciprocally. Through the extrusion of the rubber head on the conical ultrafiltration net and the reset of the conical ultrafiltration net due to the impact of the wastewater, the probability of impurities adhering to the inside of the conical ultrafiltration net is reduced, and the separation effect of the conical ultrafiltration net on impurities in the wastewater is enhanced. 2. In a reverse osmosis ultrafiltration nickel-containing wastewater treatment system, through the design of the structure and shape of the conical ultrafiltration net, on the one hand, it expands the initial amount of wastewater entering the inside of the conical ultrafiltration net (the cross-sectional area on the side of the conical ultrafiltration net close to the input component is large), enhances the contact area between the conical ultrafiltration net and the wastewater, and improves the separation effect of the conical ultrafiltration net on impurities in the wastewater. On the other hand, the design of the inclined surface on the inner wall of the conical ultrafiltration net can reduce the impact force generated when the wastewater collides with the conical ultrafiltration net during movement, ensure the extrusion strength of the conical ultrafiltration net caused by the wastewater during the flowing process, reduce the probability of damage to the conical ultrafiltration net, and facilitate the continuous treatment of nickel-containing wastewater. 3. In a reverse osmosis ultrafiltration nickel-containing wastewater treatment system, through the wastewater flow channel set by the structure shape of the funnel pipeline, when the wastewater separates its internal impurities inside the funnel pipeline, the wastewater will form a vortex inside the funnel pipeline, reducing the probability of dead angles generated during the treatment of impurities in the wastewater, ensuring that the wastewater can be completely discharged and reducing residues. And it can ensure that when the liquid is transported into the inside of another reverse osmosis membrane for reverse osmosis treatment, the wastewater can enter the inside of the reverse osmosis membrane from multiple positions, and the wastewater can be in full contact with the reverse osmosis membrane, ensuring the effect of the next reverse osmosis treatment of the wastewater. 4. In a reverse osmosis ultrafiltration nickel-containing wastewater treatment system, by setting a first inclined surface and a conical sealing ring matching the first inclined surface at the connection part of the input pump and the permeate input pipe, the two can form a connecting gap at an oblique angle. The design of the positions of the conical sealing ring and the sealing ring disc can form a connecting gap at a bent angle, minimizing the probability of leakage of the permeate through the gap at the connection of the input pump and the permeate input pipe. At the same time, the design of the sealing ring disc can also ensure that the conical sealing ring tightly abuts against the side of the first inclined surface, further reducing the size of the gap between the two and enhancing the sealing effect of the input pump and the permeate input pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings forming a part of the present invention are used to provide a further understanding of the present invention. The schematic embodiments and descriptions thereof of the present invention are used to explain the present invention and do not constitute an improper limitation of the present invention.

[0016] In addition, the terms "installed", "set up", "provided with", "connected", "linked", "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or there can be internal communication between two devices, components or parts. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0017] Figure 1 is a schematic structural diagram of the whole of the present invention; Figure 2 is a schematic structural diagram of the whole of the present invention in cross-section; Figure 3 is a schematic structural diagram of the interior of the reverse osmosis filter tank of the present invention in cross-section; Figure 4 is a schematic structural diagram of the ii-ii cross-section of the reverse osmosis filter tank of the present invention; Figure 5 is the present invention Figure 4 a magnified schematic structural diagram of area A therein; Figure 6 is a schematic structural diagram of the input component of the present invention in side cross-section; Figure 7 is a schematic structural diagram of the connection between the reverse osmosis component and the funnel pipeline of the present invention in cross-section; Figure 8 is an exploded view of the reverse osmosis component of the present invention; Figure 9 is a schematic structural diagram of the connection between the funnel pipeline and the conical ultrafiltration net of the present invention in cross-section; Figure 10 is the present invention Figure 9 a magnified schematic structural diagram of area B therein; Figure 11 is a schematic structural diagram of the connection between the funnel pipeline and the output component of the present invention in cross-section; Figure 12 is a schematic structural diagram of the connection between the input pump and the permeate input pipe of the present invention in cross-section; Figure 13 is the present invention Figure 12 a magnified schematic structural diagram of area C therein; In the figure: 10. Reverse osmosis filter tank; 101. Concentrate water pipe; 20. Reverse osmosis ultrafiltration wastewater treatment mechanism; 201. Input component; 202. Reverse osmosis component; 203. Funnel pipeline; 2031. Oblique through-hole; 204. Reciprocating lead screw; 2041. Middle connecting rod; 2042. Middle lead screw; 205. Conical ultrafiltration membrane; 2051. Side bracket; 2052. Diversion part; 206. Reciprocating cleaning component; 207. Output component; 2011. Input part; 20111. Wastewater input pipeline; 2012. Input pump; 2013. Movable fan blade; 2021. Fitting sleeve; 20211. Flow through-hole; 2022. Embedded ring; 2023. Reverse osmosis membrane; 2024. Sealing ring sleeve; 2025. Middle through-tube; 2026. Side flow port; 2061. Horizontal slider; 2062. Guide block; 2063. Guide rod; 2064. Side connecting rod; 2065. Protruding rod; 2066. Rubber head; 2071. Conical pipeline; 2072. Drain valve; 30. Permeate input pipe; 40. Permeate output pipe; 401. Centralized water production pipe; 50. Sealing base; 501. Sealing top seat; 502. First inclined surface; 503. Conical sealing ring; 504. Sealing ring plate. Detailed implementation manner

[0018] In order to enable those skilled in the art to better understand the solution of this application, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.

[0019] Embodiment 1 Please refer to Figures 1-11, The reverse osmosis ultrafiltration nickel-containing wastewater treatment system includes multiple reverse osmosis filtration tanks 10; a reverse osmosis ultrafiltration wastewater treatment mechanism 20 is provided inside the reverse osmosis filtration tank 10; a permeate input pipe 30 connected to one side of the reverse osmosis ultrafiltration wastewater treatment mechanism 20; a permeate output pipe 40 connected to the other side of the reverse osmosis ultrafiltration wastewater treatment mechanism 20; a concentrated water pipe 101 connected to the reverse osmosis filtration tank 10 and provided on the side of the reverse osmosis ultrafiltration wastewater treatment mechanism 20. The reverse osmosis ultrafiltration wastewater treatment mechanism 20 includes: an input component 201 installed on one side inside the reverse osmosis filtration tank 10; a reverse osmosis component 202 connected to the input component 201; a funnel pipeline 203 provided on the side of the reverse osmosis component 202; a reciprocating lead screw 204 provided at the center inside the funnel pipeline 203 and connected to the reverse osmosis component 202; a conical ultrafiltration mesh 205 installed outside the reciprocating lead screw 204 and on one side of the reverse osmosis component 202; a reciprocating cleaning component 206 provided outside the reciprocating lead screw 204 and abutting against the outside of the conical ultrafiltration mesh 205; an output component 207 connected to the reciprocating lead screw 204 and installed on the other side inside the reverse osmosis filtration tank 10. The output component 207 is communicated with the permeate output pipe 40. Among them, multiple reverse osmosis components 202, reciprocating lead screws 204, conical ultrafiltration meshes 205, and reciprocating cleaning components 206 are provided. Multiple inclined through holes 2031 are provided on the side of the funnel pipeline 203 away from the conical ultrafiltration mesh 205.

[0020] In the present invention, the cross-sectional area of the conical ultrafiltration mesh 205 near the mating sleeve 2021 is larger than the cross-sectional area near the reciprocating lead screw 204. The conical ultrafiltration mesh 205 is installed on the side of the side bracket 2051. The side bracket 2051 is movably connected inside the funnel pipeline 203. Multiple flow guiding parts 2052 are provided inside the side bracket 2051. Among them, the reciprocating lead screw 204 is composed of middle-through connecting rods 2041 on the left and right sides and an intermediate lead screw 2042 in the middle part. The middle-through connecting rod 2041 is connected to the middle-through pipe 2025. The reciprocating cleaning component 206 is provided outside the intermediate lead screw 2042. Among them, the bottom of the middle-through pipe 2025 at the bottom is communicated with the output component 207.

[0021] The above working principle: When treating impurities such as nickel ions in wastewater, the wastewater enters the interior of the reverse osmosis filtration tank 10 through the input component 201, and successively enters and passes through multiple reverse osmosis components 202 and the conical ultrafiltration screen 205 to perform reverse osmosis and filtration treatment on the impurities in the wastewater. At the same time, during the above wastewater impurity treatment process, the conical ultrafiltration screen 205 can effectively separate the impurities with smaller particles contained in the wastewater, avoiding damage to the internal parts of the reverse osmosis component 202 when the smaller particles enter the interior of the reverse osmosis component 202, and improving the separation effect of the reverse osmosis component 202 on the impurities in the wastewater. At the same time, the design of the structure of the conical ultrafiltration screen 205 can cooperate with the moving direction of the wastewater, increase the contact area between the wastewater and the conical ultrafiltration screen 205, reduce the impact force caused by the wastewater impact force on the conical ultrafiltration screen 205, and facilitate continuous treatment of the wastewater.

[0022] In the present invention, when the wastewater enters the interior of the reverse osmosis filtration tank 10 through the input component 201, the input component 201 will be driven to rotate by the impact force of the wastewater, and drive the reciprocating lead screw 204 and the conical ultrafiltration screen 205 to rotate continuously. When the reciprocating lead screw 204 rotates continuously, the reciprocating cleaning component 206 installed on its outer side will move back and forth, continuously squeezing and rebounding the surface of the conical ultrafiltration screen 205 that is in contact with the side of the reciprocating cleaning component 206, effectively reducing the probability of impurities adhering to the surface of the conical ultrafiltration screen 205.

[0023] Specific reference Figure 1 , a centralized water production pipe 401 is connected to the bottom of multiple permeate output pipes 40, a liquid pump is arranged at the top of the centralized water production pipe 401, and the permeate output pipe 40 extends to the side of the conical ultrafiltration screen 205.

[0024] Specific reference Figure 6 , the input component 201 includes: an input part 2011 arranged on one side inside the reverse osmosis filtration tank 10; an input pump 2012 rotatably connected inside the input part 2011 and extending to the outside of the input part 2011; a movable fan blade 2013 installed on the outside of the input pump 2012, wherein, a reverse osmosis component 202 is installed on the outside of the bottom of the input pump 2012, and the input part 2011 is installed on one side of the reverse osmosis component 202.

[0025] In the present invention, wastewater input pipes 20111 are connected to the upper and lower ends of the input part 2011 close to the movable fan blade 2013, the wastewater input pipes 20111 extend to the outside of the reverse osmosis filtration tank 10, and the wastewater input pipes 20111 are arranged tangentially to the movable fan blade 2013.

[0026] In the reverse osmosis ultrafiltration nickel-containing wastewater treatment system of the present invention, through the wastewater input pipe 20111 arranged in the tangential direction, it can ensure that after the wastewater enters the interior of the input component 2011, the contact area between the wastewater and the blade part of the movable fan blade 2013 can be increased, ensuring that the movable fan blade 2013 can rotate more conveniently through the wastewater. When the movable fan blade 2013 rotates, the input pump 2012 arranged inside it will rotate and drive the middle through pipe 2025 connected to the input pump 2012 to rotate.

[0027] Specific reference Figure 8 , the reverse osmosis component 202 includes: a mounting sleeve 2021 installed on the side of the input component 2011 by screws and located inside the reverse osmosis filtration tank 10; an embedding ring 2022 arranged inside the mounting sleeve 2021; a reverse osmosis membrane 2023 installed inside the embedding ring 2022 by screws; a sealing ring sleeve 2024 installed on the side of the mounting sleeve 2021 by screws and located outside the reverse osmosis membrane 2023; a middle through pipe 2025 movably connected to the center inside the reverse osmosis membrane 2023; and a plurality of side flow openings 2026 opened inside the middle through pipe 2025.

[0028] In the present invention, an input pump 2012 is installed inside one side of the middle through pipe 2025, the other side of the middle through pipe 2025 is connected to a reciprocating lead screw 204, there are two mounting sleeves 2021 and embedding rings 2022, and a funnel pipeline 203 extending to the outside is installed inside the other mounting sleeve 2021. Among them, the reverse osmosis membrane 2023 is composed of a plurality of sieve membranes, a plurality of diaphragm membranes, and a plurality of RO membranes arranged alternately, and a certain gap is left between adjacent two membrane layers. A plurality of flow through holes 20211 are opened inside the mounting sleeve 2021.

[0029] In the reverse osmosis ultrafiltration nickel-containing wastewater treatment system of the present invention, the wastewater will move to the inside of the reverse osmosis membrane 2023 through the flow through holes 20211 inside the mounting sleeve 2021. And the permeate moving inside the middle through pipe 2025 will move to the inside of the reverse osmosis membrane 2023 through the side flow openings 2026 due to the centrifugal force generated by the middle through pipe 2025, and generate a lateral driving force to penetrate the wastewater through a plurality of sieve membranes, a plurality of diaphragm membranes, and a plurality of RO membranes, realizing the removal operation of impurities in the wastewater. Among them, the design of the sealing ring sleeve 2024 makes the storage of the separated impurities in the wastewater more concentrated and will not move to the inside of the reverse osmosis filtration tank 10.

[0030] Specific reference Figure 9 and Figure 10, the reciprocating cleaning component 206 includes: a horizontal slider 2061 connected to the outside of the intermediate screw rod 2042 through a ball; guide blocks 2062 installed on the upper and lower sides of the horizontal slider 2061; a guide rod 2063 slidably connected to the guide blocks 2062 and installed at the eccentric position on the side of the side bracket 2051; side connecting rods 2064 installed on the left and right sides of the guide blocks 2062 and internally slidably connected to the guide rod 2063; a convex rod 2065 installed inside the side connecting rod 2064 through screws and extending to one side of the side bracket 2051; and a rubber head 2066 installed outside the convex rod 2065 and in contact with the conical ultrafiltration membrane 205.

[0031] In the reverse osmosis ultrafiltration nickel-containing wastewater treatment system of the present invention, when the middle pipe 2025 rotates, it will drive the intermediate screw rod 2042 installed on its side through the middle connecting rod 2041 to rotate, and cause the guide block 2062 connected to the outside of the intermediate screw rod 2042 through a ball to move reciprocally (in the horizontal direction). At this time, when the guide block 2062 moves, it will drive the side connecting rods 2064, the convex rod 2065, and the rubber head 2066 installed on its left and right sides to move reciprocally (in the horizontal direction), squeezing the outer wall of the conical ultrafiltration membrane 205 and reducing the probability of impurities blocking the conical ultrafiltration membrane 205.

[0032] Specific reference Figure 11 , the output component 207 includes: a conical pipe 2071 installed inside the bottom of the funnel pipe 203; an emptying valve 2072 arranged inside the conical pipe 2071 and communicated with the middle pipe 2025, and the bottom of the emptying valve 2072 is communicated with a permeate output pipe 40.

[0033] In the reverse osmosis ultrafiltration nickel-containing wastewater treatment system of the present invention, the treated liquid can be discharged into the permeate output pipe 40 through the emptying valve 2072 to complete the emptying operation of the treated liquid.

[0034] Embodiment 2 During use, it is found that when the permeate enters the reverse osmosis filtration tank 10 through the permeate input pipe 30 and the input pump 2012, the rotating permeate input pipe 30 and input pump 2012 are likely to cause the permeate during transportation to overflow through the gap at the connection between the two (due to the centrifugal force generated by rotation), and the sealing effect is poor.

[0035] Therefore, specific reference Figure 12 and Figure 13, a sealing base 50 is installed outside the inlet of the input pump 2012 by screws. A sealing top seat 501 is installed on the side of the sealing base 50 by screws. The inlet part of the input pump 2012 extends into the interior of the sealing top seat 501. Among them, a first inclined surface 502 is provided on the inner wall of the sealing top seat 501. A conical sealing ring 503 sleeved at the inlet of the input pump 2012 abuts against the bottom of the first inclined surface 502. A sealing ring disc 504 located inside the sealing top seat 501 is installed on the side of the conical sealing ring 503. The sealing ring disc 504 is installed inside the sealing top seat 501 by screws, and the sealing ring disc 504 abuts against the side of the sealing base 50.

[0036] In the reverse osmosis ultrafiltration nickel-containing wastewater treatment system of the present invention, through the design of the first inclined surface 502 and the conical sealing ring 503, it is ensured that the permeate moving to the outside of the inlet of the input pump 2012 is difficult to move to one side of the sealing ring disc 504. Through the oblique gap and the bent gap formed by the sealing ring disc 504 and the conical sealing ring 503, the probability of leakage of the permeate is reduced, and the sealing performance is strong. At the same time, the sealing ring disc 504 for sealing can squeeze the conical sealing ring 503 inside it while achieving the sealing effect, tightly abutting the conical sealing ring 503 inside the first inclined surface 502, reducing the gap size between the first inclined surface 502 and the conical sealing ring 503, and further improving its sealing effect.

[0037] In addition, in the present invention, the middle through pipe 2025, the middle connecting rod 2041 and the middle lead screw 2042 are internally provided with a hollow, and the permeate can freely move inside the three.

[0038] Limited to this, any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent replacements or changes, should be covered within the protection scope of the present invention.

Claims

1. Reverse osmosis ultrafiltration nickel-containing wastewater treatment system, characterized in that, Comprising: A plurality of reverse osmosis filtration tanks (10); an internal reverse osmosis ultrafiltration wastewater treatment mechanism (20) is provided inside the reverse osmosis filtration tank (10); a permeate input pipe (30) connected to one side of the reverse osmosis ultrafiltration wastewater treatment mechanism (20); a permeate output pipe (40) connected to the other side of the reverse osmosis ultrafiltration wastewater treatment mechanism (20); a concentrated water pipe (101) connected to the reverse osmosis filtration tank (10) and provided on the side of the reverse osmosis ultrafiltration wastewater treatment mechanism (20), The reverse osmosis ultrafiltration wastewater treatment mechanism (20) includes: an input component (201) installed on one side inside the reverse osmosis filtration tank (10); a reverse osmosis component (202) connected to the input component (201); a funnel pipeline (203) provided on the side of the reverse osmosis component (202); a reciprocating lead screw (204) provided at the center inside the funnel pipeline (203) and connected to the reverse osmosis component (202); a conical ultrafiltration net (205) installed outside the reciprocating lead screw (204) and on one side of the reverse osmosis component (202); a reciprocating cleaning component (206) provided outside the reciprocating lead screw (204) and abutting against the outside of the conical ultrafiltration net (205); an output component (207) connected to the reciprocating lead screw (204) and installed on the other side inside the reverse osmosis filtration tank (10), and the output component (207) is connected to the permeate output pipe (40), Wherein, a plurality of the reverse osmosis components (202), reciprocating lead screws (204), conical ultrafiltration nets (205) and reciprocating cleaning components (206) are provided, and a plurality of inclined through holes (2031) are provided on the side of the funnel pipeline (203) away from the conical ultrafiltration net (205).

2. The reverse osmosis ultrafiltration nickel-containing wastewater treatment system according to claim 1, wherein: The bottoms of a plurality of the permeate output pipes (40) are connected to a centralized water production pipe (401), a liquid pump is provided at the top of the centralized water production pipe (401), and the permeate output pipe (40) extends to the side of the conical ultrafiltration net (205).

3. The reverse osmosis ultrafiltration nickel-containing wastewater treatment system according to claim 1, characterized in that: The input component (201) includes: an input part (2011) provided on one side inside the reverse osmosis filtration tank (10); an input pump (2012) rotatably connected inside the input part (2011) and extending outside the input part (2011); a movable fan blade (2013) installed outside the input pump (2012), Wherein, a reverse osmosis component (202) is installed outside the bottom of the input pump (2012), and the input part (2011) is installed on one side of the reverse osmosis component (202).

4. The reverse osmosis ultrafiltration nickel-containing wastewater treatment system according to claim 3, characterized in that: The upper and lower ends of the input part (2011) near the movable fan blade (2013) are connected to a wastewater input pipeline (20111), the wastewater input pipeline (20111) extends outside the reverse osmosis filtration tank (10), and the wastewater input pipeline (20111) is tangentially arranged with the movable fan blade (2013).

5. The reverse osmosis ultrafiltration nickel-containing wastewater treatment system according to claim 3, wherein: The reverse osmosis component (202) includes: a fitting sleeve (2021) installed on the side of the input component (2011) by screws and located inside the reverse osmosis filtration tank (10); an embedding ring (2022) arranged inside the fitting sleeve (2021); a reverse osmosis membrane (2023) installed inside the embedding ring (2022) by screws; a sealing ring sleeve (2024) installed on the side of the fitting sleeve (2021) by screws and located outside the reverse osmosis membrane (2023); a central through pipe (2025) movably connected to the center inside the reverse osmosis membrane (2023); and a plurality of side flow openings (2026) opened inside the central through pipe (2025).

6. The reverse osmosis ultrafiltration nickel-containing wastewater treatment system according to claim 5, characterized in that: An input pump (2012) is installed inside one side of the central through pipe (2025), the other side of the central through pipe (2025) is connected to a reciprocating lead screw (204), there are two fitting sleeves (2021) and embedding rings (2022), and a funnel pipeline (203) extending to the outside is installed inside the other fitting sleeve (2021). Among them, the reverse osmosis membrane (2023) is composed of a plurality of sieve membranes, a plurality of diaphragm membranes, and a plurality of RO membranes arranged alternately, and a certain gap is left between adjacent two membrane layers. A plurality of flow through holes (20211) are opened inside the fitting sleeve (2021).

7. The reverse osmosis ultrafiltration nickel-containing wastewater treatment system according to claim 5, characterized in that: The cross-sectional area of the conical ultrafiltration net (205) near the fitting sleeve (2021) is larger than the cross-sectional area near the reciprocating lead screw (204). The conical ultrafiltration net (205) is installed on the side of the side bracket (2051), the side bracket (2051) is movably connected inside the funnel pipeline (203), and a plurality of diversion parts (2052) are opened inside the side bracket (2051). Among them, the reciprocating lead screw (204) is composed of central connecting rods (2041) on the left and right sides and an intermediate lead screw (2042) in the middle part. The central connecting rod (2041) is connected to the central through pipe (2025), and a reciprocating cleaning component (206) is arranged outside the intermediate lead screw (2042). Among them, the bottom of the central through pipe (2025) at the bottom is communicated with an output component (207).

8. The reverse osmosis ultrafiltration nickel-containing wastewater treatment system according to claim 7, characterized in that: The reciprocating cleaning component (206) includes: a horizontal slider (2061) connected to the outside of the intermediate lead screw (2042) by balls; guide blocks (2062) installed on the upper and lower sides of the horizontal slider (2061); a guide rod (2063) slidably connected to the guide block (2062) and installed at the eccentric position on the side of the side bracket (2051); side connecting rods (2064) installed on the left and right sides of the guide block (2062) and internally slidably connected with the guide rod (2063); a convex rod (2065) installed inside the side connecting rod (2064) by screws and extending to one side of the side bracket (2051); and a rubber head (2066) installed outside the convex rod (2065) and abutted against the conical ultrafiltration net (205).

9. The reverse osmosis ultrafiltration nickel-containing wastewater treatment system according to claim 7, characterized in that: The output component (207) includes: a conical pipe (2071) installed inside the bottom of the funnel pipeline (203); a drain valve (2072) arranged inside the conical pipe (2071) and communicated with the middle through pipe (2025), and the bottom of the drain valve (2072) is communicated with a permeate output pipe (40).

Images