Integrated reaction device for microwave catalytic oxidation treatment of refractory wastewater

Abstract

The utility model relates to the technical field of difficult degradation wastewater microwave catalytic oxidation treatment equipment, especially to a kind of microwave catalytic oxidation treatment difficult degradation wastewater integrated reaction device, it is filtered to wastewater by being arranged filtering device, can prevent solid impurities in wastewater from scratching catalyst, prolong the service life of machine, and by being arranged oxygen enrichment device, oxygen in air is enriched, can improve the oxygen amount of being inhaled to machine interior, improve machine oxidation efficiency;Including microwave catalytic oxidation device;Still including filtering device, aeration device, ionization device, oxygen enrichment device and recovery device, filtering device and aeration device are all installed on microwave catalytic oxidation device, ionization device is installed on aeration device, oxygen enrichment device is installed on ionization device, recovery device is installed on microwave catalytic oxidation device and oxygen enrichment device.

Description

Technical Field

[0001] This utility model relates to the technical field of microwave catalytic oxidation treatment equipment for recalcitrant wastewater, and in particular to an integrated reaction device for microwave catalytic oxidation treatment of recalcitrant wastewater. Background Technology

[0002] The chemical industry generates a large amount of recalcitrant organic wastewater during production, which is usually treated using microwave catalytic oxidation.

[0003] Existing microwave catalytic oxidation treatment equipment for recalcitrant wastewater, such as the Chinese utility model patent CN219217631U (authorization announcement number: a device for microwave catalytic oxidation treatment of recalcitrant organic wastewater), represents a class of prior art. Its main structure includes a reaction tank, an aeration pipe, a microwave generator, and a catalyst. The reaction tank holds the wastewater, the aeration pipe aerates the wastewater, and the microwave generator and catalyst work together to perform microwave catalytic oxidation treatment on the wastewater.

[0004] However, the existing technology and equipment still have the following problems when in use: the existing machines lack a filtration device, which makes it easy for solid impurities in the wastewater to scratch the catalyst during use, resulting in a shorter machine lifespan. In addition, the existing machines introduce relatively little oxygen into the machine during aeration, resulting in low oxidation efficiency. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides an integrated microwave catalytic oxidation device for treating recalcitrant wastewater. By setting up a filtration device to filter wastewater, it can prevent solid impurities in the wastewater from scratching the catalyst and extend the service life of the machine. Furthermore, by setting up an oxygen enrichment device to enrich oxygen in the air, it can increase the amount of oxygen introduced into the machine and improve the oxidation efficiency of the machine.

[0006] This utility model discloses an integrated reaction device for microwave catalytic oxidation treatment of recalcitrant wastewater, comprising a microwave catalytic oxidation device; it also includes a filtration device, an aeration device, an ionization device, an oxygen enrichment device, and a recovery device. The filtration device and the aeration device are both installed on the microwave catalytic oxidation device, the ionization device is installed on the aeration device, the oxygen enrichment device is installed on the ionization device, and the recovery device is installed on both the microwave catalytic oxidation device and the oxygen enrichment device. The microwave catalytic oxidation device performs microwave catalytic oxidation treatment on the wastewater, the filtration device filters the wastewater entering the microwave catalytic oxidation device, the aeration device aerates the microwave catalytic oxidation device, the ionization device ionizes the oxygen entering the aeration device, the oxygen enrichment device dries the air and enriches the oxygen therein, and the recovery device allows the waste gas emitted by the microwave catalytic oxidation device to be recycled.

[0007] Preferably, the microwave catalytic oxidation device includes an oxidation tank, multiple spiral guide plates, multiple aluminum nitride heat-conducting blocks, a PTFE coating layer, a multi-head microwave transmitting antenna, a microwave source, and wires. The oxidation tank is installed on the ground. The top of the oxidation tank has a mounting groove and an exhaust port, the bottom has a liquid inlet and two mounting grooves, and the top has a drain port. Multiple spiral guide plates are evenly spaced and fixedly installed on the inner sidewall of the oxidation tank. A catalyst layer is applied to the surface of each spiral guide plate. Multiple aluminum nitride heat-conducting blocks are stacked in the mounting grooves of the oxidation tank. Multiple mounting grooves are provided through the aluminum nitride heat-conducting blocks. The PTFE coating layer is filled into the aluminum nitride heat-conducting blocks and the oxidation tank by casting. All gaps between mounting slots 1, except for multiple mounting slots 3, are used to fix multiple aluminum nitride heat-conducting blocks and the oxidation tank into a whole. The multi-head microwave transmitting antenna is detachably installed in multiple mounting slots 3. The microwave source is fixedly installed at the top of the oxidation tank. One end of the wire is installed at the top of the multi-head microwave transmitting antenna, and the other end of the wire is installed at the top of the microwave source. The spiral guide plate guides the wastewater and expands the reaction area. The microwave source emits microwaves into the oxidation tank through the wire and the multi-head microwave transmitting antenna, activating the catalyst on the surface of the spiral guide plate and performing microwave catalytic oxidation treatment on the wastewater. The aluminum nitride heat-conducting blocks and PTFE coating layer work together to enhance the heat dissipation efficiency of the multi-head microwave transmitting antenna and prevent the multi-head microwave transmitting antenna from overheating.

[0008] Preferably, the filtration device includes two sets of support brackets, a hydrocyclone separator, a collection box, a pipe, a filter cartridge, a support bracket, a filter bag, a support bracket, and a pipe. Both sets of support brackets are installed on the ground. The hydrocyclone separator is installed on top of one set of support brackets, the collection box is installed at the bottom of the hydrocyclone separator, one end of the pipe is installed at the top of the hydrocyclone separator, the filter cartridge is installed on the other set of support brackets, the second support bracket is installed at the top of the filter cartridge, the filter bag is installed on the second support bracket, the third support bracket is detachably installed at the top of the second support bracket, the other end of the pipe is installed at the top of the third support bracket, one end of the pipe is installed at the bottom of the filter cartridge, and the other end of the pipe is installed at the inlet of the oxidation tank. The hydrocyclone separator performs hydrocyclone separation on the wastewater, the collection box stores the separated solid impurities, and the support bracket, support bracket, second support bracket, filter bag, and filter cartridge work together to perform secondary filtration on the wastewater. The filtered solid impurities are stored inside the filter bag.

[0009] Preferably, the aeration device includes a support frame four, an air pump one, a motor one, a pipe three, and multiple micro-orifice nozzles. The support frame four is installed on the ground, the air pump one is installed at the top of the support frame four, the motor one is installed on one side of the air pump, and the pipe three is connected and installed on the other side of the air pump one. The pipe three is fixedly installed in two mounting slots two of the oxidation tank. The part of the pipe three inside the oxidation tank is coiled and folded. The multiple micro-orifice nozzles are evenly spaced at the bottom of the oxidation tank. The motor one provides power to drive the air pump one to operate, drawing gas into the pipe three and spraying it out through the micro-orifice nozzles to aerate the inside of the oxidation tank.

[0010] Preferably, the ionization device includes an ionization cylinder, a wire harness frame, and a pipe. The ionization cylinder is mounted on a gas pump and has multiple vent holes inside. The wire harness frame is mounted on the ionization cylinder and has multiple electrodes, all of which penetrate the ionization cylinder and are located in the multiple vent holes. The pipe is mounted on the wire harness frame. The ionization cylinder and the wire harness frame work together to ionize the flowing gas, converting some of the oxygen in the gas into ozone, thereby enhancing the gas's oxidation capacity.

[0011] Preferably, the oxygen enrichment device includes multiple supports (five), an oxygen enrichment filter membrane, a dust cover, a support (six), an air pump (two), a motor (two), a pipe (five), and an air drying tank. Multiple supports (five) and supports (six) are installed on the ground. The oxygen enrichment filter membrane is installed on multiple supports (five), the dust cover is installed on the oxygen enrichment filter membrane, the air pump (two) is installed on support (six), the motor (two) is installed on the side of the air pump (two), the pipe (five) is installed on the air pump (two), and the air drying tank is detachably installed on the pipe (five). The air drying tank dries the flowing gas. The motor (two) provides power to drive the air pump (two) to pump the gas into the oxygen enrichment filter membrane, which enriches the oxygen in the gas.

[0012] Preferably, the recovery device includes a pipe six and a mixing cylinder. One end of the pipe six is ​​installed at the top of the exhaust port of the oxidation tank, and the mixing cylinder is detachably installed on the air drying tank. The other end of the pipe six is ​​installed at the top of the mixing cylinder. The pipe six transports the exhaust gas discharged from the oxidation tank, and the mixing cylinder mixes the air and the exhaust gas.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: by filtering the wastewater, solid impurities in the wastewater can be prevented from scratching the catalyst and extending the service life of the machine; and by enriching the oxygen in the air, the amount of oxygen introduced into the machine can be increased, thereby improving the oxidation efficiency of the machine. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the isometric structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the isometric cross-sectional structure of the microwave catalytic oxidation device;

[0016] Figure 3 This is a schematic diagram of the isometric cross-sectional structure of the filter device;

[0017] Figure 4 This is a schematic diagram of the isometric cross-sectional structure of the aeration device;

[0018] Figure 5 This is an isometric structural diagram of the ionization device and the oxygen enrichment device;

[0019] Figure 6 This is an isometric structural diagram of the recycling device.

[0020] The attached diagram is labeled as follows: 01, Microwave catalytic oxidation device; 11, Oxidation tank; 12, Spiral guide plate; 13, Aluminum nitride heat-conducting block; 14, PTFE coating layer; 15, Multi-head microwave transmitting antenna; 16, Microwave generator; 17, Wire; 02, Filtration device; 21, Support 1; 22, Hydrocyclone separator; 23, Collection box; 24, Pipe 1; 25, Filter cartridge; 26, Support 2; 27, Filter bag; 28, Support 3; 29, Pipe 2; 03, Aeration device. 31. Support 4; 32. Air pump 1; 33. Motor 1; 34. Pipe 3; 35. Micro-orifice nozzle; 04. Ionization device; 41. Ionization cylinder; 42. Wire harness frame; 43. Pipe 4; 05. Oxygen enrichment device; 51. Support 5; 52. Oxygen enrichment filter membrane; 53. Dust cover; 54. Support 6; 55. Air pump 2; 56. Motor 2; 57. Pipe 5; 58. Air drying tank; 06. Recovery device; 61. Pipe 6; 62. Mixing cylinder. Detailed Implementation

[0021] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete. Example 1

[0022] like Figure 1 As shown, the device includes a microwave catalytic oxidation device 01; it also includes a filtration device 02, an aeration device 03, an ionization device 04, an oxygen enrichment device 05, and a recovery device 06. The filtration device 02 and the aeration device 03 are both installed on the microwave catalytic oxidation device 01, the ionization device 04 is installed on the aeration device 03, the oxygen enrichment device 05 is installed on the ionization device 04, and the recovery device 06 is installed on both the microwave catalytic oxidation device 01 and the oxygen enrichment device 05. The microwave catalytic oxidation device 01 treats wastewater using microwave catalytic oxidation, the filtration device 02 filters the wastewater entering the microwave catalytic oxidation device 01, the aeration device 03 aerates the microwave catalytic oxidation device 01, the ionization device 04 ionizes the oxygen entering the aeration device 03, the oxygen enrichment device 05 dries the air and enriches the oxygen therein, and the recovery device 06 allows the waste gas emitted by the microwave catalytic oxidation device 01 to be recycled.

[0023] like Figure 2As shown, the microwave catalytic oxidation device 01 includes an oxidation tank 11, multiple spiral guide plates 12, multiple aluminum nitride heat-conducting blocks 13, a PTFE coating layer 14, a multi-head microwave transmitting antenna 15, a microwave source 16, and wires 17. The oxidation tank 11 is installed on the ground. The top of the oxidation tank 11 is provided with a mounting groove and an exhaust port, the bottom of the oxidation tank 11 is provided with a liquid inlet and two mounting grooves, and the top of the oxidation tank 11 is provided with a drain port. Multiple spiral guide plates 12 are evenly spaced and fixedly installed on the inner sidewall of the oxidation tank 11. A layer of catalyst is provided on the surface of each of the multiple spiral guide plates 12. Multiple aluminum nitride heat-conducting blocks 13 are stacked... The aluminum nitride heat-conducting blocks 13 are placed in the first mounting slot of the oxidation tank 11. Multiple mounting slots 3 are provided through the multiple aluminum nitride heat-conducting blocks 13. The PTFE coating layer 14 fills all the gaps between the multiple aluminum nitride heat-conducting blocks 13 and the first mounting slot of the oxidation tank 11 except for the multiple mounting slots 3 by casting. In this way, the multiple aluminum nitride heat-conducting blocks 13 and the oxidation tank 11 are fixedly connected into a whole. The multi-head microwave transmitting antenna 15 is detachably installed in the multiple mounting slots 3. The microwave source 16 is fixedly installed on the top of the oxidation tank 11. One end of the wire 17 is installed on the top of the multi-head microwave transmitting antenna 15, and the other end of the wire 17 is installed on the top of the microwave source 16.

[0024] like Figure 3 As shown, the filtration device 02 includes two sets of supports 21, a hydrocyclone separator 22, a collection box 23, a pipe 24, a filter cartridge 25, a second support 26, a filter bag 27, a third support 28, and a second pipe 29. Both sets of supports 21 are installed on the ground. The hydrocyclone separator 22 is installed on the top of one set of supports 21, the collection box 23 is installed at the bottom of the hydrocyclone separator 22, one end of the pipe 24 is installed at the top of the hydrocyclone separator 22, the filter cartridge 25 is installed on the other set of supports 21, the second support 26 is installed at the top of the filter cartridge 25, the filter bag 27 is installed on the second support 26, the third support 28 is detachably installed at the top of the second support 26, the other end of the pipe 24 is installed at the top of the third support 28, one end of the pipe 29 is installed at the bottom of the filter cartridge 25, and the other end of the pipe 29 is installed at the liquid inlet of the oxidation tank 11.

[0025] like Figure 4 As shown, the aeration device 03 includes a support frame 31, an air pump 32, a motor 33, a pipe 34, and multiple micro-hole nozzles 35. The support frame 31 is installed on the ground, the air pump 32 is installed at the top of the support frame 31, the motor 33 is installed at the side of the air pump 32, the pipe 34 is connected to the other side of the air pump 32, and the pipe 34 is fixedly installed in the two mounting slots 2 of the oxidation tank 11. The part of the pipe 34 inside the oxidation tank 11 is coiled and folded, and the multiple micro-hole nozzles 35 are evenly spaced at the bottom of the oxidation tank 11.

[0026] like Figure 5As shown, the ionization device 04 includes an ionization cylinder 41, a wire harness frame 42, and a pipe 43. The ionization cylinder 41 is mounted on the air pump 32, and multiple ventilation holes are provided inside the ionization cylinder 41. The wire harness frame 42 is mounted on the ionization cylinder 41, and multiple electrodes are provided on the wire harness frame 42. The multiple electrodes penetrate the ionization cylinder 41 and are respectively located in the multiple ventilation holes of the ionization cylinder 41. The pipe 43 is mounted on the wire harness frame 42.

[0027] like Figure 5 As shown, the oxygen enrichment device 05 includes multiple supports 51, an oxygen enrichment filter membrane 52, a dust cover 53, a support 54, an air pump 55, a motor 56, a pipe 57, and an air drying tank 58. Multiple supports 51 and support 6 54 are installed on the ground. The oxygen enrichment filter membrane 52 is installed on multiple supports 51. The dust cover 53 is installed on the oxygen enrichment filter membrane 52. The air pump 55 is installed on support 6 54. The motor 56 is installed on the side of the air pump 55. The pipe 57 is installed on the air pump 55. The air drying tank 58 is detachably installed on the pipe 57.

[0028] First, wastewater is pumped into hydrocyclone 22, where it undergoes hydrocyclone separation. Collection box 23 stores the separated solid impurities. Supports 3 28, 26, filter bag 27, and filter cartridge 25 work together to perform secondary filtration of the wastewater. The filtered solid impurities are stored inside filter bag 27. The filtered wastewater flows into oxidation tank 11. Spiral guide plate 12 guides the wastewater and expands the reaction area. Microwave source 16 emits microwaves into oxidation tank 11 through wire 17 and multi-head microwave transmitting antenna 15, activating the catalyst on the surface of spiral guide plate 12 for microwave catalytic oxidation treatment of the wastewater. Aluminum nitride heat-conducting block 13 and PTFE coating layer 14 work together to enhance the heat dissipation efficiency of multi-head microwave transmitting antenna 15 and prevent the multi-head microwave transmitting antenna from overheating. When wire 15 overheats, motor 1 (33), wire harness frame 42, and motor 2 (56) are simultaneously activated. Motor 2 (56) provides power to drive air pump 2 (55) to pump gas into oxygen enrichment filter membrane 52. Air drying tank 58 dries the flowing gas, and oxygen enrichment filter membrane 52 enriches the oxygen in the gas. Ionization cylinder 41 and wire harness frame 42 work together to ionize the flowing gas, converting some of the oxygen in the gas into ozone, thereby enhancing the oxidation capacity of the gas. Motor 1 (33) provides power to drive air pump 1 (32) to draw the gas into pipe 3 (34) and spray it out through micro-orifice nozzle 35 to aerate the interior of oxidation tank 11. The treated wastewater is discharged through the drain port of oxidation tank 11, and the generated gas and residual aeration gas are discharged through the exhaust port of oxidation tank 11. Example 2

[0029] In addition to Example 1, it also includes:

[0030] like Figure 6 As shown, the recycling device 06 includes a pipe 61 and a mixing cylinder 62. One end of the pipe 61 is installed at the top of the exhaust port of the oxidation tank 11, and the mixing cylinder 62 is detachably installed on the air drying tank 58. The other end of the pipe 61 is installed at the top of the mixing cylinder 62.

[0031] First, wastewater is pumped into hydrocyclone 22, where it undergoes hydrocyclone separation. Collection box 23 stores the separated solid impurities. Supports 3 28, 26, filter bag 27, and filter cartridge 25 work together to perform secondary filtration of the wastewater. The filtered solid impurities are stored inside filter bag 27. The filtered wastewater flows into oxidation tank 11. Spiral guide plate 12 guides the wastewater and expands the reaction area. Microwave source 16 emits microwaves into oxidation tank 11 through wire 17 and multi-head microwave transmitting antenna 15, activating the catalyst on the surface of spiral guide plate 12 for microwave catalytic oxidation treatment of the wastewater. Aluminum nitride heat-conducting block 13 and PTFE coating layer 14 enhance the heat dissipation efficiency of multi-head microwave transmitting antenna 15, preventing overheating. Simultaneously, motor 1 33, wire harness frame 42, and motor are turned on. Motor 256 provides power to drive air pump 255 to pump gas into oxygen enrichment filter membrane 52. Air drying tank 58 dries the gas flowing through it. Oxygen enrichment filter membrane 52 enriches the oxygen in the gas. Ionization cylinder 41 and wire harness frame 42 work together to ionize the gas flowing through it, converting part of the oxygen in the gas into ozone, thereby enhancing the oxidation capacity of the gas. Motor 133 provides power to drive air pump 132 to draw the gas into pipe 34 and spray it out through micro-orifice nozzle 35 to aerate the inside of oxidation tank 11. The treated wastewater is discharged through the drain port of oxidation tank 11. The generated gas and the remaining aeration gas are discharged through the exhaust port of oxidation tank 11. Pipe 61 transports the exhaust gas discharged from oxidation tank 11. Mixing cylinder 62 mixes air and exhaust gas, thereby recycling the exhaust gas.

[0032] like Figures 1 to 6As shown, this utility model discloses an integrated reaction device for microwave catalytic oxidation treatment of recalcitrant wastewater. During operation, wastewater is first pumped into a hydrocyclone separator 22, which performs hydrocyclone separation. A collection box 23 stores the separated solid impurities. A third support 28, a second support 26, a filter bag 27, and a filter cartridge 25 work together to perform secondary filtration of the wastewater. The filtered solid impurities are stored inside the filter bag 27. The filtered wastewater flows into an oxidation tank 11. A spiral guide plate 12 guides the wastewater and expands the reaction area. A microwave source 16 emits microwaves into the oxidation tank 11 through a wire 17 and a multi-head microwave transmitting antenna 15, activating the catalyst on the surface of the spiral guide plate 12 for microwave catalytic oxidation treatment of the wastewater. An aluminum nitride heat-conducting block 13 and a PTFE coating layer 14 enhance the heat dissipation efficiency of the multi-head microwave transmitting antenna 15, preventing overheating. Simultaneously, motor 1 (33), wire harness frame (42), and motor 2 (56) are turned on. Motor 2 (56) provides power to drive air pump 2 (55) to pump gas into oxygen enrichment filter membrane (52). Air drying tank (58) dries the flowing gas. Oxygen enrichment filter membrane (52) enriches the oxygen in the gas. Ionization cylinder (41) and wire harness frame (42) work together to ionize the flowing gas, converting some of the oxygen in the gas into ozone, thus enhancing the gas's oxidation capacity. Motor 1 (33) provides power to drive air pump 1 (32) to draw the gas into pipe 3 (34) and spray it out through micro-orifice nozzle (35) to aerate the interior of oxidation tank (11). The treated wastewater is discharged through the drain port of oxidation tank (11). The generated gas and the remaining aeration gas are discharged through the exhaust port of oxidation tank (11). Pipe 6 (61) transports the exhaust gas discharged from oxidation tank (11). Mixing cylinder (62) mixes the air and exhaust gas, thus recycling the exhaust gas.

[0033] The catalyst, multi-head microwave transmitting antenna 15, microwave generator 16, cyclone separator 22, filter bag 27, air pump 1 32, motor 1 33, oxygen enrichment filter membrane 52, air pump 2 55, motor 2 56 and air drying tank 58 of this utility model are commercially available. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0034] The main functions achieved by this utility model are as follows: by setting up a filter device 02 to filter wastewater, it can prevent solid impurities in the wastewater from scratching the catalyst and extend the service life of the machine. Furthermore, by setting up an oxygen enrichment device 05 to enrich oxygen in the air, it can increase the amount of oxygen introduced into the machine and improve the oxidation efficiency of the machine. This solves the existing technical problems that existing machines lack a filter device, making it easy for solid impurities in the wastewater to scratch the catalyst during use, resulting in a shorter service life of the machine. Also, existing machines introduce relatively little oxygen into the machine during aeration, resulting in a lower oxidation efficiency.

[0035] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. An integrated reaction device for microwave catalytic oxidation treatment of recalcitrant wastewater, comprising a microwave catalytic oxidation device (01); characterized in that, It also includes a filtration device (02), an aeration device (03), an ionization device (04), an oxygen enrichment device (05), and a recovery device (06). The filtration device (02) and the aeration device (03) are both installed on the microwave catalytic oxidation device (01), the ionization device (04) is installed on the aeration device (03), the oxygen enrichment device (05) is installed on the ionization device (04), and the recovery device (06) is installed on both the microwave catalytic oxidation device (01) and the oxygen enrichment device (05). The catalytic oxidation device (01) treats wastewater by microwave catalytic oxidation, the filtration device (02) filters the wastewater entering the microwave catalytic oxidation device (01), the aeration device (03) aerates the microwave catalytic oxidation device (01), the ionization device (04) ionizes the oxygen entering the aeration device (03), the oxygen enrichment device (05) dries the air and enriches the oxygen therein, and the recovery device (06) allows the waste gas emitted by the microwave catalytic oxidation device (01) to be recycled.

2. The integrated microwave catalytic oxidation device for treating recalcitrant wastewater as described in claim 1, characterized in that, The microwave catalytic oxidation device (01) includes an oxidation tank (11), multiple spiral guide plates (12), multiple aluminum nitride heat-conducting blocks (13), a PTFE coating layer (14), a multi-head microwave transmitting antenna (15), a microwave source (16), and wires (17). The oxidation tank (11) is installed on the ground. The top of the oxidation tank (11) is provided with an installation slot 1 and an exhaust port. The bottom of the oxidation tank (11) is provided with a liquid inlet and two installation slots 2. The top of the oxidation tank (11) is provided with a drain port. Multiple spiral guide plates (12) are evenly spaced and fixedly installed on the inner side wall of the oxidation tank (11). A layer of catalyst is provided on the surface of each of the multiple spiral guide plates (12). Multiple aluminum nitride heat-conducting blocks (13) are all... Multiple aluminum nitride heat-conducting blocks (13) are stacked in the first mounting slot of the oxidation tank (11). Multiple mounting slots (3) are provided through the multiple aluminum nitride heat-conducting blocks (13) and the first mounting slot of the oxidation tank (11) by casting. In this way, the multiple aluminum nitride heat-conducting blocks (13) and the oxidation tank (11) are fixed together as a whole. The multi-head microwave transmitting antenna (15) is detachably installed in the multiple mounting slots (3). The microwave generator (16) is fixedly installed on the top of the oxidation tank (11). One end of the wire (17) is installed on the top of the multi-head microwave transmitting antenna (15), and the other end of the wire (17) is installed on the top of the microwave generator (16).

3. The integrated microwave catalytic oxidation device for treating recalcitrant wastewater as described in claim 2, characterized in that, The filtration device (02) includes two sets of support brackets (21), a hydrocyclone separator (22), a collection box (23), a pipe (24), a filter cartridge (25), a second support bracket (26), a filter bag (27), a third support bracket (28), and a second pipe (29). Both sets of support brackets (21) are installed on the ground. The hydrocyclone separator (22) is installed on the top of one set of support brackets (21), and the collection box (23) is installed at the bottom of the hydrocyclone separator (22). One end of the pipe (24) is installed on the top of the hydrocyclone separator (22). At the top of the flow separator (22), the filter cartridge (25) is mounted on another set of support one (21), support two (26) is mounted on the top of the filter cartridge (25), the filter bag (27) is mounted on support two (26), support three (28) is detachably mounted on the top of support two (26), the other end of pipe one (24) is mounted on the top of support three (28), one end of pipe two (29) is mounted on the bottom of the filter cartridge (25), and the other end of pipe two (29) is mounted at the liquid inlet of the oxidation tank (11).

4. The integrated microwave catalytic oxidation device for treating recalcitrant wastewater as described in claim 2, characterized in that, The aeration device (03) includes a support four (31), an air pump one (32), a motor one (33), a pipe three (34), and multiple micro-hole nozzles (35). The support four (31) is installed on the ground, the air pump one (32) is installed on the top of the support four (31), the motor one (33) is installed on the side of the air pump one (32), the pipe three (34) is connected to the other side of the air pump one (32), and the pipe three (34) is fixedly installed in the two mounting slots two of the oxidation tank (11). The part of the pipe three (34) inside the oxidation tank (11) is coiled and folded, and multiple micro-hole nozzles (35) are evenly spaced at the bottom of the oxidation tank (11).

5. The integrated microwave catalytic oxidation device for treating recalcitrant wastewater as described in claim 4, characterized in that, The ionization device (04) includes an ionization cylinder (41), a wire harness frame (42), and a pipe (43). The ionization cylinder (41) is installed on an air pump (32). The ionization cylinder (41) has multiple ventilation holes inside. The wire harness frame (42) is installed on the ionization cylinder (41) and has multiple electrodes. The electrodes penetrate the ionization cylinder (41) and are located in the multiple ventilation holes of the ionization cylinder (41). The pipe (43) is installed on the wire harness frame (42).

6. The integrated microwave catalytic oxidation device for treating recalcitrant wastewater as described in claim 5, characterized in that, The oxygen enrichment device (05) includes multiple brackets five (51), an oxygen enrichment filter membrane (52), a dust cover (53), a bracket six (54), an air pump two (55), a motor two (56), a pipe five (57), and an air drying tank (58). Multiple brackets five (51) and bracket six (54) are installed on the ground. The oxygen enrichment filter membrane (52) is installed on multiple brackets five (51). The dust cover (53) is installed on the oxygen enrichment filter membrane (52). The air pump two (55) is installed on the bracket six (54). The motor two (56) is installed on the side of the air pump two (55). The pipe five (57) is installed on the air pump two (55). The air drying tank (58) is detachably installed on the pipe five (57).

7. The integrated microwave catalytic oxidation device for treating recalcitrant wastewater as described in claim 6, characterized in that, The recycling device (06) includes a pipe six (61) and a mixing cylinder (62). One end of the pipe six (61) is installed at the top of the exhaust port of the oxidation tank (11), and the mixing cylinder (62) is detachably installed on the air drying tank (58). The other end of the pipe six (61) is installed at the top of the mixing cylinder (62).

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