A cation exchanger for wastewater treatment

Abstract

The utility model discloses a cation exchanger for wastewater treatment, comprising a process outlet and an exchange tank, wherein the process outlet is installed and connected at the middle position of the bottom end of the exchange tank. In the utility model, the filter assembly structure is used to facilitate disassembly and assembly, and subsequent disassembly and replacement are convenient. When in use, the wastewater can be initially filtered to avoid the condition that the equipment is used for a long time and is blocked or damaged. The connection hole is rotated and connected with the process inlet in rotation, and the connection and installation are connected in a threaded rotation manner, so that the disassembly and assembly are convenient. When in use, the process inlet is injected with wastewater to be treated, and after the wastewater flows in through the process inlet, it is initially filtered through the first filter screen and the second filter screen on the inner side of the fixed frame, so that larger particles and debris such as broken iron in the wastewater can be filtered and intercepted, so that the equipment is used for a long time and is blocked or damaged, thereby improving the service life of the equipment and making wastewater treatment more standardized.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, in particular to a cation exchanger for wastewater treatment. Background Art

[0002] Cation exchanger is also called cation bed. It can be divided into hydrogen type and sodium type according to the reagents used for regeneration of its resin. Sodium type cation exchanger is called softener or sodium ion exchanger. Sodium ion exchanger is an ion exchanger used to remove calcium ions and magnesium ions in water to produce softened water. The calcium and magnesium ions that make up the hardness of water are exchanged with the ion exchange resin in the softener. The calcium and magnesium ions in the water are exchanged with sodium ions, making it difficult for carbonate scale and sulfate scale to form in the water, thereby obtaining softened water.

[0003] Existing cation exchangers, during use, only exchange calcium and magnesium ions in water. However, some wastewaters still contain impurities such as debris and iron filings. After long-term accumulation, these impurities will clog or damage the exchanger, thereby affecting the service life of the exchanger. Utility Model Content

[0004] The purpose of the utility model is to provide a cation exchanger for wastewater treatment to solve the problem that the existing cation exchanger proposed in the above background technology only exchanges calcium and magnesium ions in water during use, while some wastewater still contains impurities such as debris and iron filings. After long-term accumulation, these impurities will clog or damage the exchanger, thereby affecting the service life of the exchanger.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cation exchanger for wastewater treatment, comprising a process outlet and an exchange tank, wherein the process outlet is installed and connected to the middle position of the bottom end of the exchange tank, a first HCL inlet is arranged at the left end of the process outlet, and a second HCL inlet is arranged at the right end of the process outlet, support columns are arranged around the bottom end of the exchange tank, a process inlet is arranged in the middle of the upper end of the exchange tank, a filter assembly is arranged at the bottom end of the process inlet, an exhaust hole is arranged at the left end of the process inlet, a second manhole is arranged at the right end of the process inlet, a resin inlet is arranged on the upper side of the front end of the exchange tank, a resin outlet is arranged on the lower side of the front end of the exchange tank, a first manhole is arranged on both sides of the left end of the exchange tank, a suspension lug is arranged on the right end of the exchange tank, a plug-in assembly is arranged on both sides of the rear end of the exchange tank, and an observation port is arranged on the right side of the front end of the exchange tank.

[0006] Wherein, the filter assembly includes a first filter screen, a connecting hole, a fixed frame and a second filter screen, a connecting hole is arranged in the middle of the upper end of the fixed frame, a first filter screen is arranged around the outer side of the fixed frame, a second filter screen is arranged around the inner side of the first filter screen and located on the fixed frame, and the fixed frame is connected to the process inlet through the connecting hole.

[0007] Among them, the insertion and transportation component includes a fork socket, a U-shaped connecting plate and a square steel pipe. The upper end of the square steel pipe is provided with a U-shaped connecting plate, the inner side of the square steel pipe is provided with a fork socket, and the square steel pipe is connected to the exchange tank through the U-shaped connecting plate.

[0008] The plug-in assembly and the exchange tank are connected and installed by welding, and the plug-in assembly is connected to the two sides of the rear end of the exchange tank.

[0009] The filter assembly and the process inlet are connected and installed by means of threaded rotation, and the filter assembly is connected to the bottom end of the process inlet.

[0010] There are four support columns in total, and the support columns are installed and connected at positions around the bottom end of the exchange tank.

[0011] In summary, due to the adoption of the above technology, the beneficial effects of the utility model are:

[0012] 1. In the utility model, the filter assembly structure is used to facilitate assembly and disassembly, and is convenient for subsequent disassembly and replacement. When in use, the wastewater can be initially filtered to avoid the equipment being used for a long time and causing blockage or damage. When installing the filter assembly, first, rotate the fixed frame to make the connecting hole in the middle of the upper end of the fixed frame rotatably connected to the process inlet, and the threaded rotation method is used for connection and installation, which makes assembly and disassembly convenient and convenient for subsequent disassembly and replacement. When in use, the process inlet is injected with wastewater to be treated, and after the wastewater flows in through the process inlet, it is initially filtered through the first filter screen and the second filter screen on the inner side of the fixed frame, which can filter and intercept larger particles and debris such as broken iron in the wastewater, avoid the equipment being used for a long time and causing blockage or damage, thereby improving the service life of the equipment and making wastewater treatment more standardized.

[0013] 2. In the utility model, the insertion and transportation component structure can be used to transport it by an external forklift when it is in use. When installing the insertion and transportation component, first, the U-shaped connecting plate at the top of the square steel pipe can be well fitted on the outer wall of the exchange tank, and then a welding machine is used for welding. The welding connection and installation make it more secure and not easy to fall off when in use. When in use, the fork of an external forklift can be inserted into the fork insertion hole on the inner side of the square steel pipe, which is convenient for transporting the entire device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a partial cross-sectional structural schematic diagram of a cation exchanger for wastewater treatment according to the utility model;

[0015] Figure 2 This is a schematic diagram of the enlarged structure of region A of a cation exchanger for wastewater treatment according to the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of a filter assembly of a cation exchanger for wastewater treatment according to the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of a plug-in component of a cation exchanger for wastewater treatment according to the utility model.

[0018] In the figure: 1. First HCL inlet; 2. Process outlet; 3. Second HCL inlet; 4. Support column; 5. Suspension lug; 6. Observation port; 7. Insertion and transportation assembly; 71. Fork insertion hole; 72. U-shaped connecting plate; 73. Square steel pipe; 8. Filter assembly; 81. First filter screen; 82. Connecting hole; 83. Fixed frame; 84. Second filter screen; 9. Process inlet; 10. First manhole; 11. Resin outlet; 12. Exchange tank; 13. Exhaust hole; 14. Second manhole; 15. Resin inlet. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents selected embodiments of the utility model.

[0020] Embodiment 1

[0021] Reference Figure 1 , Figure 2 and Figure 3A cation exchanger for wastewater treatment comprises a process outlet 2 and an exchange tank 12, wherein the process outlet 2 is installed and connected to the middle position of the bottom end of the exchange tank 12, a first HCL inlet 1 is arranged at the left end of the process outlet 2, a second HCL inlet 3 is arranged at the right end of the process outlet 2, support columns 4 are arranged around the bottom end of the exchange tank 12, a process inlet 9 is arranged in the middle of the upper end of the exchange tank 12, a filter assembly 8 is arranged at the bottom end of the process inlet 9, an exhaust hole 13 is arranged at the left end of the process inlet 9, a second manhole 14 is arranged at the right end of the process inlet 9, a resin inlet 15 is arranged on the upper side of the front end of the exchange tank 12, a resin outlet 11 is arranged on the lower side of the front end of the exchange tank 12, a first manhole 10 is arranged on both sides of the left end of the exchange tank 12, a suspension lug 5 is arranged on the right end of the exchange tank 12, a plugging assembly 7 is arranged on both sides of the rear end of the exchange tank 12, and an observation port 6 is arranged on the right side of the front end of the exchange tank 12. Before use, a forklift is inserted in Insert the transport component 7 to facilitate the transportation of the exchange tank 12, or use the lifting equipment cable to hang it in the suspension ear 5 for hoisting. When it is further used, the process inlet 9 is injected with the wastewater to be treated, and after the wastewater flows in through the process inlet 9, it is initially filtered through the filter component 8, which can filter and intercept larger particles and debris such as broken iron in the wastewater to avoid long-term use of the equipment, causing blockage or damage, thereby improving the service life of the equipment. After that, the resin agent is conveniently added through the resin inlet 15, so as to exchange calcium and magnesium ions for the wastewater inside the exchange tank 12, and then the waste resin is conveniently discharged through the resin outlet 11. During use, the first HCL inlet 1 and the second HCL inlet 3 are convenient to add an aqueous solution of hydrogen chloride to fully exchange it, and the internal working state of the exchange tank 12 can be observed through the observation port 6, and then the treated water is discharged through the process outlet 2.

[0022] In the present invention, the filter assembly 8 and the process inlet 9 are connected and installed by means of threaded rotation, and the filter assembly 8 is connected to the bottom end of the process inlet 9. The filter assembly 8 includes a first filter screen 81, a connecting hole 82, a fixed frame 83 and a second filter screen 84. A connecting hole 82 is provided in the middle of the upper end of the fixed frame 83. The first filter screen 81 is provided around the outer side of the fixed frame 83. The second filter screen 84 is provided on the fixed frame 83 around the inner side of the first filter screen 81. The fixed frame 83 is connected to the process inlet 9 through the connecting hole 82. When installing the filter assembly 8, first, rotate the fixed frame The frame 83 is fixed so that the connecting hole 82 in the middle of the upper end of the fixed frame 83 is rotatably connected to the process inlet 9, and the threaded rotation connection is adopted for installation, which makes it easy to disassemble and assemble, and is convenient for subsequent disassembly and replacement. When in use, the process inlet 9 is injected with wastewater to be treated, and after the wastewater flows in through the process inlet 9, it is initially filtered through the first filter screen 81 and the second filter screen 84 on the inner side of the fixed frame 83, which can filter and intercept larger particles and debris such as broken iron in the wastewater, avoid long-term use of the equipment, cause blockage or damage, thereby improving the service life of the equipment and making wastewater treatment more standardized.

[0023] In the utility model, there are four support columns 4, and the support columns 4 are installed and connected to the positions around the bottom end of the exchange tank 12. During use, the support columns 4 supported around the bottom end of the exchange tank 12 can conveniently fix and support the entire device, making it more stable and not easy to move during use.

[0024] Working principle: Before use, the exchange tank 12 is inserted into the insertion assembly 7 by a forklift to facilitate the transportation of the exchange tank 12, or the exchange tank 12 is hoisted by hanging it in the suspension lug 5 with a lifting equipment cable. During further use, the process inlet 9 is injected with the wastewater to be treated, and after the wastewater flows in through the process inlet 9, it is initially filtered through the filter assembly 8, which can filter and intercept larger particles and debris such as broken iron in the wastewater to avoid blockage or damage caused by long-term use of the equipment, thereby improving the service life of the equipment. After that, the resin agent is conveniently added through the resin inlet 15, so as to exchange the calcium and magnesium ions in the wastewater of the exchange tank 12, and then the waste resin is conveniently discharged through the resin outlet 11. During use, the first HCL inlet 1 and the second HCL inlet 3 are convenient to add an aqueous solution of hydrogen chloride to fully exchange it, and the internal working state of the exchange tank 12 can be observed through the observation port 6, and then the treated water is discharged through the process outlet 2.

[0025] Embodiment 2

[0026] Reference Figure 1 , Figure 2 and Figure 4, a cation exchanger for wastewater treatment. Compared with the second embodiment, the plug-in assembly 7 and the exchange tank 12 are connected and installed by welding, and the plug-in assembly 7 is connected to the two sides of the rear end of the exchange tank 12. The plug-in assembly 7 includes a fork socket 71, a U-shaped connecting plate 72 and a square steel pipe 73. The upper end of the square steel pipe 73 is provided with a U-shaped connecting plate 72, and the inner side of the square steel pipe 73 is provided with a fork socket 71. The square steel pipe 73 is connected to the exchange tank 12 through the U-shaped connecting plate 72.

[0027] Working principle: When installing the insertion and transportation component 7, first, the shape of the U-shaped connecting plate 72 at the top of the square steel pipe 73 can be well fitted on the outer wall of the exchange tank 12, and then a welding machine is used for welding. The welding connection and installation make it more secure and not easy to fall off during use. When in use, the fork of an external forklift can be inserted into the fork socket 71 on the inner side of the square steel pipe 73, which facilitates the transportation of the entire device.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A cation exchanger for wastewater treatment, comprising a process outlet (2) and an exchange tank (12), characterized in that: The process outlet (2) is installed and connected to the middle position of the bottom end of the exchange tank (12); a first HCL inlet (1) is arranged at the left end of the process outlet (2); a second HCL inlet (3) is arranged at the right end of the process outlet (2); support columns (4) are arranged around the bottom end of the exchange tank (12); a process inlet (9) is arranged in the middle of the upper end of the exchange tank (12); a filter assembly (8) is arranged at the bottom end of the process inlet (9); and an exhaust hole is arranged at the left end of the process inlet (9). (13), a second manhole (14) is provided at the right end of the process inlet (9), a resin inlet (15) is provided at the upper side of the front end of the exchange tank (12), a resin outlet (11) is provided at the lower side of the front end of the exchange tank (12), first manholes (10) are provided on both sides of the left end of the exchange tank (12), a hanging lug (5) is provided at the right end of the exchange tank (12), insertion and transportation components (7) are provided on both sides of the rear end of the exchange tank (12), and an observation port (6) is provided on the right side of the front end of the exchange tank (12).

2. A cation exchanger for wastewater treatment according to claim 1, characterized in that: The filter assembly (8) comprises a first filter screen (81), a connecting hole (82), a fixed frame (83) and a second filter screen (84); a connecting hole (82) is provided in the middle of the upper end of the fixed frame (83); a first filter screen (81) is provided around the outer side of the fixed frame (83); a second filter screen (84) is provided around the inner side of the first filter screen (81) and is located on the fixed frame (83); and the fixed frame (83) is connected to the process inlet (9) through the connecting hole (82).

3. A cation exchanger for wastewater treatment according to claim 1, characterized in that: The insertion and transporting assembly (7) comprises a fork insertion hole (71), a U-shaped connecting plate (72) and a square steel pipe (73); the upper end of the square steel pipe (73) is provided with a U-shaped connecting plate (72); the inner side of the square steel pipe (73) is provided with a fork insertion hole (71); and the square steel pipe (73) is connected to the exchange tank (12) via the U-shaped connecting plate (72).

4. A cation exchanger for wastewater treatment according to claim 1, characterized in that: The insertion and transport component (7) and the exchange tank (12) are connected and installed by welding, and the insertion and transport component (7) is connected to the positions on both sides of the rear end of the exchange tank (12).

5. A cation exchanger for wastewater treatment according to claim 1, characterized in that: The filter assembly (8) and the process inlet (9) are connected and installed by means of threaded rotation, and the filter assembly (8) is connected to the bottom end of the process inlet (9).

6. A cation exchanger for wastewater treatment according to claim 1, characterized in that: A total of four support columns (4) are provided, and the support columns (4) are installed and connected to positions around the bottom end of the exchange tank (12).

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