Quick-release ammonia-nitrogen wastewater treatment device

Abstract

The utility model belongs to the field of ammonia-nitrogen wastewater treatment, in particular relates to a quick-release type ammonia-nitrogen wastewater treatment device, and aims to solve the problems of low treatment efficiency, high energy consumption, secondary pollution, filler replacement, sealing guarantee and effective separation of reaction sections of the treatment device when the conventional wastewater treatment method is used for treating high-concentration ammonia-nitrogen wastewater. According to the technical scheme, the device comprises four supports and a plurality of annular cylinders, the annular cylinders are stacked in the vertical direction, the four supports are located on the outer walls of the annular cylinders respectively and annularly arranged, and the device further comprises a cover plate and a bottom plate. Through organic combination of anaerobic ammonia oxidation, denitrification, short-cut nitrification, aerobic nitrification and other biological treatment technologies, high-concentration ammonia-nitrogen wastewater is efficiently treated, and through the steps of rotating a rotating block, starting an electric push rod and a servo motor and the like, an annular cylinder and an inner cylinder are convenient to disassemble, so that internal filler is replaced, the maintenance convenience is improved, and the service life of the annular cylinder and the inner cylinder is prolonged. The continuous and efficient use of the filler is also ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to ammonia nitrogen wastewater treatment technical field especially relates to a quick detachable ammonia nitrogen wastewater treatment device. BACKGROUND

[0002] With the acceleration of industrialization, the treatment problem of high concentration ammonia nitrogen wastewater is increasingly prominent. The traditional wastewater treatment method often has the problems of low treatment efficiency, high energy consumption and secondary pollution when treating high concentration ammonia nitrogen wastewater. The emergence of biological treatment technologies such as anaerobic ammonia oxidation, denitrification, short-cut nitrification and aerobic nitrification provides a new idea for solving the treatment of high concentration ammonia nitrogen wastewater.

[0003] Through the search, the invention with the announcement number CN111453842A provides a vertical high concentration ammonia nitrogen wastewater treatment equipment, however, the existing treatment device has the problems of insufficient packing replacement, sealing guarantee and effective separation of reaction section, which affects the treatment efficiency and stability.

[0004] In view of the above problems, a device capable of efficiently and stably treating high concentration ammonia nitrogen wastewater is needed, while ensuring the convenient replacement of the packing and the sealing of the device. SUMMARY

[0005] The utility model discloses a kind of quick detachable ammonia nitrogen wastewater treatment devices to solve the problems of low treatment efficiency, high energy consumption and secondary pollution in the prior art when treating high concentration ammonia nitrogen wastewater, and the shortcomings of packing replacement, sealing guarantee and effective separation of reaction section in treatment device.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A kind of quick detachable ammonia nitrogen wastewater treatment device, including four supports and multiple annular barrels, multiple annular barrels are stacked along vertical direction, four supports are located at the outer wall of multiple annular barrels and are annularly arranged, further including cover plate and bottom plate, the top of bottom plate and annular barrel is provided with connecting seat, the cover plate is located at the top of the uppermost annular barrel, and is used to block annular barrel, between two supports, there is the same group of fixing assembly for fixing cover plate;

[0008] The outer wall of annular barrel is fixedly provided with fixed ring, and between the other two supports, there is the same group of lifting assembly for controlling the lifting of fixed ring;

[0009] The inner wall of annular barrel is fixedly connected with second annular block, the upper portion of second annular block is provided with inner barrel, and the inner barrel is connected with second annular block by connecting assembly.

[0010] In a possible design, the fixing assembly includes a same first sliding plate slidingly connected between the two supports, one side of the first sliding plate is fixedly connected with a connecting block, the connecting block is fixedly connected with one side of the cover plate, and the top of the first sliding plate is fixedly connected with the inner wall of the top of the support.

[0011] In a possible design, a same first fixing rod is fixedly connected between the two supports, a strip-shaped hole is formed in the first fixing rod, a round rod is fixedly and penetratingly arranged in the first sliding plate, the top of the round rod is fixedly connected with a limiting block, and the bottom of the round rod penetrates through the strip-shaped hole and is rotationally connected with a rotating block, and the rotating block is used in cooperation with the strip-shaped hole.

[0012] In a possible design, the lifting assembly includes a second sliding plate slidingly connected between the two supports, a same second fixing rod is fixedly connected between the two supports, the second fixing rod is located below the second sliding plate, the top of the second fixing rod is fixedly connected with an electric push rod, and the piston rod of the electric push rod is fixedly connected with the bottom of the second sliding plate.

[0013] In a possible design, the lifting assembly further includes two symmetrical sliding grooves formed in one side of the second sliding plate, a threaded block is slidingly connected in the sliding groove, a same bidirectional screw rod is rotationally and penetratingly arranged in the sliding groove, the bidirectional screw rod is screwedly penetrated through the two threaded blocks, one side of the support is slidingly connected with a servo motor, a vertical hole is formed in one side of the support, the output shaft of the servo motor penetrates through the vertical hole and is fixedly connected with one end of the bidirectional screw rod, and one side of the threaded block is fixedly connected with a supporting rod, and the supporting rod is used in cooperation with the fixing ring.

[0014] In a possible design, the connecting assembly includes a first filter plate fixedly connected in the inner cylinder, the bottom of the first filter plate is fixedly connected with a mounting ring, the bottom of the mounting ring is fixedly connected with two symmetrical rectangular blocks, the inner wall of the second ring-shaped block is formed with a ring-shaped groove, the top of the second ring-shaped block is formed with two symmetrical notches, the notches are in communication with the ring-shaped groove, and the rectangular block is used in cooperation with the notches and the ring-shaped groove.

[0015] In a possible design, a second filter plate is slidingly connected in the inner cylinder, the bottom of the second filter plate is fixedly connected with two symmetrical vertical rods, the top of the rectangular block is formed with a third rectangular groove, and the bottoms of the two vertical rods respectively extend into the two third rectangular grooves.

[0016] In a possible design, one side of the rectangular block is provided with a first rectangular groove, the first rectangular groove is communicated with a third rectangular groove, a top inner wall of the first rectangular groove is provided with a second rectangular groove, a sliding block is slidably connected in the second rectangular groove, a same second tension spring is fixedly connected between one side of the sliding block and an inner wall of one side of the second rectangular groove, a bottom of the sliding block is fixedly connected with a positioning rod, one end of the positioning rod is provided in an arc shape, and the vertical rod is internally provided with a positioning hole matched with the positioning rod.

[0017] In a possible design, the connecting seat is internally provided with a mounting hole, a top of the connecting seat is provided with a first insertion slot and a second insertion slot, the annular cylinder is fixedly connected with a second insertion plate and a first insertion plate at the bottom, the second insertion plate is used in cooperation with the second insertion slot, the first insertion plate is used in cooperation with the first insertion slot, the bottom of the first insertion plate and the second insertion plate are both provided with an arc-shaped slot, the arc-shaped slot is used in cooperation with the mounting hole, and the bottom plate is fixedly connected with a supporting leg at four corners of the bottom.

[0018] In the application, in use, the anaerobic ammonia oxidation filler, the denitrification filler, the short-cut nitrification filler and the aerobic nitrification filler are filled in the multiple inner cylinders from bottom to top, the multiple uniform distribution pipelines are inserted into the device through the mounting holes, and when the multiple annular cylinders are installed, the first insertion plate is clamped with the first insertion slot, the second insertion slot is clamped with the second insertion plate, and the sealing degree of the device is ensured.

[0019] The high-concentration ammonia-nitrogen wastewater is pumped into the system and mixed with the refluxed short-cut nitrification liquid (containing a large amount of nitrite), the mixed liquid enters the anaerobic ammonia oxidation reaction section at the bottom of the vertical reaction tank, under anaerobic conditions, ammonia-nitrogen and nitrite react to generate nitrogen, and nitrogen elements are removed, the wastewater continues to rise and enters the denitrification reaction section, and is mixed with the refluxed sludge mixture (containing nitrite and nitrate), under anoxic conditions, the denitrification bacteria denitrify the nitrite and nitrate into nitrogen, and nitrogen elements are further removed, the wastewater further rises and enters the short-cut nitrification reaction section, under the condition of micro-aeration, the nitrite bacteria nitrify the ammonia-nitrogen into nitrite, part of the generated nitrite is refluxed to the anaerobic ammonia oxidation reaction section, and part of the generated nitrite continues to rise and enters the nitrification reaction section, and in the nitrification reaction section, sufficient aeration enables the nitrification bacteria to nitrify the remaining ammonia-nitrogen or nitrite into nitrate.

[0020] When the internal filler needs to be replaced, the rotating block needs to be rotated first, the rotating block is adjusted from the transverse direction to the longitudinal direction and cooperates with the strip-shaped hole, then the first sliding plate moves vertically upward under the action of the pulling force of the first tension spring, the first sliding plate drives the limiting block and the connecting block to move vertically upward, the limiting block drives the round rod and the bracket to move upward, the rotating block moves out of the interior of the strip-shaped hole, and simultaneously the connecting block drives the cover plate to move upward, so that the braking state of the cover plate is released.

[0021] At this time, the electric push rod is started, the electric push rod drives the second sliding plate to rise, the second sliding plate drives the two threaded blocks to rise, the threaded blocks drive the support rods to rise, and the lowermost fixed ring is driven to rise. At this time, the lowermost ring cylinder is separated from the bottom plate, and after moving out of the bottom plate, the second sliding plate is lowered again, so that the lowermost ring cylinder is in contact with the ground;

[0022] The servo motor is started, the output shaft of the servo motor drives the bidirectional screw rod to rotate, the bidirectional screw rod drives the two threaded blocks to move away from each other, the threaded blocks drive the two support rods to move away from each other, and then the support rods are separated from the fixed ring. After starting the electric push rod, the support rods move up, and then the servo motor is started to move the two support rods closer to each other and move to the lower side of the upper fixed ring. Thus, the disassembly process is completed through reciprocation.

[0023] After the disassembly of the multiple ring cylinders is completed, the inner cylinder inside the ring cylinder can be rotated, the inner cylinder drives the mounting ring to rotate, the mounting ring drives the rectangular block to rotate, and the rectangular block rotates in the inner part of the annular groove to the lower side of the notch. At this time, the inner cylinder is vertically moved upward and taken out.

[0024] After the inner cylinder is taken out, the inner wall of the second ring block no longer abuts against the positioning rod, and the positioning rod and the sliding block move horizontally under the action of the pulling force of the second tension spring. After the positioning rod moves horizontally, the positioning rod moves out of the inner part of the positioning hole, and the braking state of the vertical rod can be released. At this time, the second filter plate can drive the two vertical rods to move vertically upward, and after the second filter plate is disassembled, the internal filler can be replaced, which is convenient to use.

[0025] Beneficial effects: efficient treatment: through the organic combination of anaerobic ammonia oxidation, denitrification, short-cut nitrification and aerobic nitrification and other biological treatment technologies, the efficient treatment of high-concentration ammonia-nitrogen wastewater is realized. Each reaction section is carried out under suitable conditions, which improves the removal efficiency of nitrogen elements.

[0026] Good sealing: through the clamping mode of the first plug plate and the first plug slot, the second plug slot and the second plug plate, the sealing degree of the device is guaranteed, and the problems of wastewater leakage and secondary pollution are avoided.

[0027] Convenient replacement of filler: the device is designed with a unique filler replacement mechanism. Through the steps of rotating the rotating block, starting the electric push rod and the servo motor, the ring cylinder and the inner cylinder can be easily disassembled, and then the internal filler can be replaced. This design not only improves the convenience of maintenance, but also ensures the continuous and efficient use of the filler.

[0028] Compact structure: the internal structure of the device is designed reasonably, and the cooperation between the components is tight, so that the overall structure is compact and the occupied area is small, which is suitable for use in limited space.

[0029] Simple operation: the working method of the device is simple and clear, the operator only needs to operate according to the steps to complete the treatment of waste water and the replacement of filler, which reduces the operation difficulty and labor cost. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 A three-dimensional structure schematic diagram of a quick-release ammonia-nitrogen wastewater treatment device is provided for the utility model;

[0031] Figure 2 A three-dimensional structure schematic diagram of a quick-release ammonia-nitrogen wastewater treatment device is provided for the utility model;

[0032] Figure 3 A three-dimensional structure schematic diagram of a quick-release ammonia-nitrogen wastewater treatment device is provided for the utility model;

[0033] Figure 4 A three-dimensional structure schematic diagram of a quick-release ammonia-nitrogen wastewater treatment device is provided for the utility model;

[0034] Figure 5 A three-dimensional structure schematic diagram of a quick-release ammonia-nitrogen wastewater treatment device is provided for the utility model;

[0035] Figure 6 A three-dimensional structure schematic diagram of a quick-release ammonia-nitrogen wastewater treatment device is provided for the utility model;

[0036] Figure 7 A three-dimensional structure schematic diagram of a quick-release ammonia-nitrogen wastewater treatment device is provided for the utility model;

[0037] Figure 8 A three-dimensional structure schematic diagram of a quick-release ammonia-nitrogen wastewater treatment device is provided for the utility model;

[0038] Figure 9 A three-dimensional structure schematic diagram of a quick-release ammonia-nitrogen wastewater treatment device is provided for the utility model.

[0039] In the figure: 1, support; 2, connecting seat; 3, annular barrel; 4, servo motor; 5, first fixed rod; 6, first sliding plate; 7, cover plate; 8, first tension spring; 9, limiting block; 10, strip-shaped hole; 11, rotating block; 12, round rod; 13, connecting block; 14, support rod; 15, second sliding plate; 16, threaded block; 17, bidirectional screw; 18, second fixed rod; 19, electric push rod; 20, fixed ring; 21, support leg; 22, bottom plate; 23, first plugboard; 24, arc-shaped groove; 25, second plugboard; 26, notch; 27, annular groove; 28, second annular block; 29, first insertion slot; 30, second insertion slot; 31, mounting hole; 32, first filter plate; 33, mounting ring; 34, rectangular block; 35, vertical rod; 36, second filter plate; 37, positioning hole; 38, positioning rod; 39, first rectangular groove; 40, second tension spring; 41, second rectangular groove; 42, sliding block; 43, third rectangular groove; 44, sliding groove; 45, inner barrel; 47, vertical hole. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0041] Embodiment 1; refer to Figures 1-9 A quick-release ammonia-nitrogen wastewater treatment device is applied in the field of ammonia-nitrogen wastewater treatment and comprises four supports 1 and a plurality of annular barrels 3. The plurality of annular barrels 3 are stacked in the vertical direction, and the four supports 1 are respectively located on the outer walls of the plurality of annular barrels 3 and are arranged in a ring shape. The device further comprises a cover plate 7 and a bottom plate 22. The bottom plate 22 and the top of the annular barrel 3 are both provided with a connecting seat 2. The cover plate 7 is located on the top of the uppermost annular barrel 3 and is used for plugging the annular barrel 3. Anaerobic ammonia oxidation filler, denitrification filler, short-cut nitrification filler and aerobic nitrification filler are filled in the plurality of inner barrels 45 from bottom to top. A plurality of uniformly distributed pipelines are inserted into the device through the mounting holes 31, and when the plurality of annular barrels 3 are installed, the first plugboard 23 is clamped with the first insertion slot 29, and the second insertion slot 30 is clamped with the second plugboard 25, so as to ensure the sealing degree of the device.

[0042] High concentration ammonia nitrogen wastewater is pumped into the system and mixed with a large amount of nitrite contained in the refluxed short-cut nitrification liquid, the mixed liquid enters the anaerobic ammonia oxidation reaction section at the bottom of the vertical reaction tank, under anaerobic conditions, ammonia nitrogen reacts with nitrite to generate nitrogen, removing nitrogen elements, the wastewater continues to rise into the denitrification reaction section, mixed with a large amount of nitrite and nitrate contained in the refluxed sludge-water mixture, under anoxic conditions, the denitrifying bacteria denitrify the nitrite and nitrate into nitrogen, further removing nitrogen elements, the wastewater continues to rise into the short-cut nitrification reaction section, under the condition of micro-aeration, the nitrite bacteria nitrify the ammonia nitrogen into nitrite, part of the generated nitrite is refluxed to the anaerobic ammonia oxidation reaction section, and part continues to rise into the nitrification reaction section, in the nitrification reaction section, sufficient aeration makes the nitrifying bacteria nitrify the remaining ammonia nitrogen or nitrite into nitrate, wherein the same set of fixing assemblies for fixing the cover plate 7 is arranged between the two brackets 1, the fixing assembly comprises the same first sliding plate 6 slidingly connected between the two brackets 1, one side of the first sliding plate 6 is fixedly connected with a connecting block 13, the connecting block 13 is fixedly connected with one side of the cover plate 7, a same first tension spring 8 is fixedly connected between the top of the first sliding plate 6 and the inner wall of the top of the bracket 1, a same first fixing rod 5 is fixedly connected between the two brackets 1, a strip-shaped hole 10 is formed in the inside of the first fixing rod 5, a circular rod 12 is fixedly penetrated in the inside of the first sliding plate 6, a limiting block 9 is fixedly connected with the top of the circular rod 12, a rotating block 11 is rotatably connected with the bottom of the circular rod 12 and passes through the strip-shaped hole 10, the rotating block 11 is used in cooperation with the strip-shaped hole 10, when it is needed to replace the internal filler, the rotating block 11 needs to be rotated first, the rotating block 11 is adjusted from horizontal to vertical and cooperates with the strip-shaped hole 10, and then the first sliding plate 6 moves vertically upward under the action of the pulling force of the first tension spring 8, the first sliding plate 6 drives the limiting block 9 and the connecting block 13 to move vertically upward, the limiting block 9 drives the circular rod 12 and the bracket 1 to move upward, the rotating block 11 moves out of the inside of the strip-shaped hole 10, and simultaneously the connecting block 13 drives the cover plate 7 to move upward, so that the cover plate 7 is in the state of being unlocked;

[0043] The outer wall of the annular barrel 3 is fixedly sleeved with a fixed ring 20, and a same set of lifting assemblies for controlling the lifting of the fixed ring 20 is arranged between the other two supports 1. The lifting assembly comprises a second sliding plate 15 slidingly connected between the two supports 1, a same second fixed rod 18 is fixedly linked between the two supports 1, the second fixed rod 18 is located below the second sliding plate 15, the top of the second fixed rod 18 is fixedly connected with an electric push rod 19, the piston rod of the electric push rod 19 is fixedly connected with the bottom of the second sliding plate 15, the lifting assembly further comprises two symmetrical sliding grooves 44 arranged on one side of the second sliding plate 15, a threaded block 16 is slidingly connected in the sliding groove 44, a same bidirectional screw rod 17 is rotatably penetrated in the two sliding grooves 44, the bidirectional screw rod 17 is threadedly penetrated through the two threaded blocks 16, a servo motor 4 is slidingly connected on one side of the support 1, a vertical hole 47 is arranged on one side of the support 1, the output shaft of the servo motor 4 is penetrated through the vertical hole 47 and fixedly connected with one end of the bidirectional screw rod 17, a supporting rod 14 is fixedly connected on one side of the threaded block 16, and the supporting rod 14 is used in cooperation with the fixed ring 20. At this time, the electric push rod 19 is started, the electric push rod 19 drives the second sliding plate 15 to rise, the second sliding plate 15 drives the two threaded blocks 16 to rise, the threaded block 16 drives the supporting rod 14 to rise, and the supporting rod 14 drives the lowermost fixed ring 20 to rise. At this time, the lowermost annular barrel 3 is separated from the bottom plate 22, after moving out of the bottom plate 22, the second sliding plate 15 is lowered again, so that the lowermost annular barrel 3 is in contact with the ground. The servo motor 4 is started, the output shaft of the servo motor 4 drives the bidirectional screw rod 17 to rotate, the bidirectional screw rod 17 drives the two threaded blocks 16 to move away from each other, the threaded block 16 drives the two supporting rods 14 to move away from each other, and then the supporting rod 14 is separated from the fixed ring 20. The electric push rod 19 is started again, so that the supporting rod 14 moves up, the servo motor 4 is started, so that the two supporting rods 14 move close to each other and move below the upper fixed ring 20. In this way, the disassembly process is completed;

[0044] The inner wall of the annular barrel 3 is fixedly connected with a second annular block 28, an inner barrel 45 is arranged above the second annular block 28, the inner barrel 45 is connected with the second annular block 28 through a connecting assembly, the connecting assembly comprises a first filter plate 32 fixedly connected inside the inner barrel 45, the bottom of the first filter plate 32 is fixedly connected with a mounting ring 33, the bottom of the mounting ring 33 is fixedly connected with two rectangular blocks 34 arranged symmetrically, an annular groove 27 is formed in the inner wall of the second annular block 28, two notches 26 arranged symmetrically are formed in the top of the second annular block 28, the notches 26 are communicated with the annular groove 27, the rectangular blocks 34 are used in cooperation with the notches 26 and the annular groove 27, a second filter plate 36 is slidably connected inside the inner barrel 45, the bottom of the second filter plate 36 is fixedly connected with two vertical rods 35 arranged symmetrically, a third rectangular groove 43 is formed in the top of the rectangular block 34, the bottoms of the two vertical rods 35 respectively extend into the interiors of the two third rectangular grooves 43, a first rectangular groove 39 is formed in one side of the rectangular block 34, the first rectangular groove 39 is communicated with the third rectangular groove 43, a second rectangular groove 41 is formed in the top inner wall of the first rectangular groove 39, a sliding block 42 is slidably connected inside the second rectangular groove 41, a same second tension spring 40 is fixedly connected between one side of the sliding block 42 and one side inner wall of the second rectangular groove 41, a positioning rod 38 is fixedly connected to the bottom of the sliding block 42, one end of the positioning rod 38 is arranged in an arc shape, a positioning hole 37 engaged with the positioning rod 38 is formed in the interior of the vertical rod 35, after the plurality of annular barrels 3 are disassembled, the inner barrel 45 inside the annular barrel 3 can be rotated, the inner barrel 45 drives the mounting ring 33 to rotate, the mounting ring 33 drives the rectangular block 34 to rotate, when the rectangular block 34 rotates in the interior of the annular groove 27 to below the notch 26, at this time, the inner barrel 45 is vertically moved upward, the inner barrel 45 is taken out, after the inner barrel 45 is taken out, since the inner wall of the second annular block 28 no longer abuts against the positioning rod 38, at this time, the positioning rod 38 and the sliding block 42 are transversely moved under the action of the pulling force of the second tension spring 40, after the positioning rod 38 is transversely moved, at this time, the positioning rod 38 moves out of the interior of the positioning hole 37, the braking state of the vertical rod 35 can be released, at this time, the second filter plate 36 can drive the two vertical rods 35 to be vertically moved upward, after the second filter plate 36 is disassembled, the filler inside can be replaced, and the use is convenient.

[0045] Example 2; reference Figures 1-9 On the basis of example 1, the inner part of the connecting seat 2 is provided with a mounting hole 31, the top of the connecting seat 2 is provided with a first insertion slot 29 and a second insertion slot 30, the bottom of the annular barrel 3 is fixedly connected with a second insertion plate 25 and a first insertion plate 23, the second insertion plate 25 is used in cooperation with the second insertion slot 30, the first insertion plate 23 is used in cooperation with the first insertion slot 29, the bottom of the first insertion plate 23 and the second insertion plate 25 are both provided with an arc-shaped groove 24, the arc-shaped groove 24 is used in cooperation with the mounting hole 31, the bottom of the bottom plate 22 is fixedly connected with a supporting leg 21 at four corners.

[0046] However, as known to those skilled in the art, the working principle and wiring method of the servo motor 4 and the electric push rod 19 are common, which belong to conventional means or common general knowledge, and will not be described here again, and those skilled in the art can make any selection according to their needs or convenience.

[0047] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A quick-release ammonia-nitrogen wastewater treatment device, characterized in that, The utility model relates to a kind of ring-shaped cylinder and cover plate locking device, including: Four supports (1) and multiple ring-shaped cylinders (3), multiple the ring-shaped cylinders (3) are stacked in vertical direction, four the support (1) is located at the outer wall of multiple ring-shaped cylinders (3) and is arranged annularly, further including cover plate (7) and bottom plate (22), the bottom plate (22) and the top of ring-shaped cylinder (3) are provided with connecting seat (2), the cover plate (7) is located at the top of the uppermost ring-shaped cylinder (3), and is used to block ring-shaped cylinder (3), wherein two the support (1) between being provided with the same group of fixing assembly for fixing cover plate (7); The outer wall of the ring-shaped cylinder (3) is fixedly provided with a fixing ring (20), and the other two supports (1) are provided with the same group of lifting assembly for controlling the lifting of the fixing ring (20); The inner wall of the ring-shaped cylinder (3) is fixedly connected with a second annular block (28), and the upper side of the second annular block (28) is provided with an inner cylinder (45), which is connected with the second annular block (28) by a connecting assembly.

2. The quick-release ammonia-nitrogen wastewater treatment device according to claim 1, characterized in that, The fixing assembly includes a first sliding plate (6) slidingly connected between two supports (1), one side of the first sliding plate (6) is fixedly connected with a connecting block (13), the connecting block (13) is fixedly connected with one side of the cover plate (7), and a first tension spring (8) is fixedly connected between the top of the first sliding plate (6) and the inner wall of the top of the support (1).

3. The quick-release ammonia-nitrogen wastewater treatment device according to claim 2, characterized in that, A first fixed rod (5) is fixedly connected between two supports (1), a strip-shaped hole (10) is formed in the first fixed rod (5), a circular rod (12) is fixedly penetrated in the first sliding plate (6), a limiting block (9) is fixedly connected to the top of the circular rod (12), and a rotating block (11) is rotatably connected to the bottom of the circular rod (12) through the strip-shaped hole (10).

4. The quick-release ammonia-nitrogen wastewater treatment device according to claim 1, characterized in that, The lifting assembly includes a second sliding plate (15) slidingly connected between two supports (1), a second fixed rod (18) is fixedly connected between two supports (1), the second fixed rod (18) is located below the second sliding plate (15), an electric push rod (19) is fixedly connected to the top of the second fixed rod (18), and the piston rod of the electric push rod (19) is fixedly connected to the bottom of the second sliding plate (15).

5. The quick-release ammonia-nitrogen wastewater treatment device according to claim 4, characterized in that, The lifting assembly further includes two symmetrical sliding grooves (44) formed on one side of the second sliding plate (15), the sliding grooves (44) are internally slidably connected with threaded blocks (16), the same bidirectional screw rod (17) is rotatably penetrated into the two sliding grooves (44), the bidirectional screw rod (17) is threaded through the two threaded blocks (16), one side of the support (1) is slidably connected with a servo motor (4), one side of the support (1) is formed with a vertical hole (47), the output shaft of the servo motor (4) penetrates through the vertical hole (47) and is fixedly connected with one end of the bidirectional screw rod (17), one side of the threaded block (16) is fixedly connected with a supporting rod (14), and the supporting rod (14) is used in cooperation with the fixed ring (20).

6. The quick-release ammonia-nitrogen wastewater treatment device according to claim 1, characterized in that, The connecting assembly includes a first filter plate (32) fixedly connected in the inner cylinder (45), the bottom of the first filter plate (32) is fixedly connected with a mounting ring (33), the bottom of the mounting ring (33) is fixedly connected with two symmetrical rectangular blocks (34), the inner wall of the second annular block (28) is formed with an annular groove (27), the top of the second annular block (28) is formed with two symmetrical notches (26), the notches (26) are in communication with the annular groove (27), and the rectangular blocks (34) are used in cooperation with the notches (26) and the annular groove (27).

7. The quick-release ammonia-nitrogen wastewater treatment device according to claim 6, characterized in that, The inner cylinder (45) is slidably connected with a second filter plate (36), the bottom of the second filter plate (36) is fixedly connected with two symmetrical vertical rods (35), the top of the rectangular block (34) is formed with a third rectangular groove (43), and the bottoms of the two vertical rods (35) respectively extend into the two third rectangular grooves (43).

8. The quick-release ammonia-nitrogen wastewater treatment device according to claim 7, characterized in that, One side of the rectangular block (34) is formed with a first rectangular groove (39), the first rectangular groove (39) is in communication with the third rectangular groove (43), the top inner wall of the first rectangular groove (39) is formed with a second rectangular groove (41), the second rectangular groove (41) is slidably connected with a sliding block (42), the same second tension spring (40) is fixedly connected between one side of the sliding block (42) and the inner wall of one side of the second rectangular groove (41), the bottom of the sliding block (42) is fixedly connected with a positioning rod (38), one end of the positioning rod (38) is arc-shaped, and the vertical rod (35) is internally formed with a positioning hole (37) matched with the positioning rod (38).

9. The quick-release ammonia-nitrogen wastewater treatment device according to claim 1, characterized in that, The inside of the connecting seat (2) is provided with a mounting hole (31), and the top of the connecting seat (2) is provided with a first slot (29) and a second slot (30). The bottom of the annular barrel (3) is fixedly connected with a second plug plate (25) and a first plug plate (23). The second plug plate (25) is used in cooperation with the second slot (30), and the first plug plate (23) is used in cooperation with the first slot (29). The bottom of the first plug plate (23) and the second plug plate (25) are both provided with an arc-shaped groove (24), which is used in cooperation with the mounting hole (31). The bottom of the bottom plate (22) is fixedly connected with a supporting leg (21) at four corners.

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