CN115724559A - A waste water treatment device - Google Patents

Abstract

The invention provides a wastewater treatment device, which belongs to the field of wastewater treatment and comprises a wastewater treatment box, wherein a liquid inlet pipe and a liquid outlet pipe are arranged on the wastewater treatment box, a stirring mechanism is arranged in the wastewater treatment box and comprises a first stirring shaft, a second stirring shaft and a rotating assembly for driving the first stirring shaft and the second stirring shaft to synchronously rotate, stirring blades are arranged on the first stirring shaft and the second stirring shaft, the stirring blades of the first stirring shaft and the second stirring shaft are sequentially distributed in a staggered manner, a cleaning mechanism for cleaning suspended impurities is arranged at the top of the wastewater treatment box and comprises a scraping assembly and a driving assembly for driving the scraping assembly to move along the length direction of the wastewater treatment box, and a collecting mechanism for collecting the suspended impurities is arranged outside the wastewater treatment box. The invention can conveniently remove the suspended impurities from the water surface of the wastewater, thereby preventing the suspended impurities from attaching to the side wall of the reaction vessel when the wastewater is discharged.

Description

A waste water treatment device

technical field

The invention relates to the technical field of wastewater treatment, in particular to a wastewater treatment device.

Background technique

Wastewater treatment is to use physical, chemical or biological methods to treat wastewater, purify wastewater, reduce pollution, and achieve the purpose of recycling wastewater and make full use of water resources. Many types of pollutants are produced in industrial production. For the treatment of industrial wastewater, chemical reagents are usually added to industrial wastewater, and they are fully reacted with wastewater to remove toxic substances such as heavy metal ions and organic brighteners in wastewater. .

After industrial wastewater reacts with chemical reagents, the resulting sediment sinks to the bottom of the reaction vessel, and suspended impurities float to the surface of the wastewater. In the process of discharging the treated wastewater, suspended impurities will adhere to the side wall of the reaction vessel as the water level drops, making it inconvenient to clean up later.

Contents of the invention

The object of the present invention is to provide a wastewater treatment device, which can conveniently remove suspended impurities from the water surface of the wastewater, thereby preventing the suspended impurities from adhering to the side wall of the reaction vessel when the wastewater is discharged.

Embodiments of the present invention are achieved through the following technical solutions: a wastewater treatment device, comprising a wastewater treatment tank, the wastewater treatment tank is provided with a liquid inlet pipe and a liquid outlet pipe, and the wastewater treatment tank is provided with a stirring mechanism, so The stirring mechanism includes a first stirring shaft, a second stirring shaft and a rotating assembly for driving the first stirring shaft and the second stirring shaft to rotate synchronously, and the first stirring shaft and the second stirring shaft are provided with stirring blades, And the stirring blades of the first stirring shaft and the second stirring shaft are alternately distributed sequentially, and the top of the wastewater treatment tank is provided with a cleaning mechanism for cleaning suspended impurities. A drive assembly that moves along the length of the waste water treatment tank, and a collection mechanism for collecting suspended impurities is arranged outside the waste water treatment tank.

Further, the scraping assembly includes a scraping seat, both ends of the scraping seat are provided with support seats, and the two support seats are respectively slidably arranged on both sides of the top of the waste water treatment tank, and the scraping seat The bottom of the seat is provided with a support column, and the scraping seat is provided with a drive cylinder for driving the support column to slide along the height direction of the support seat. Both ends of the support column are provided with rotating seats, and the two rotating seats A scraping blade is rotated between them, and the bottom of the scraping blade is inclined towards the direction close to the collection mechanism. When moving to the end of the waste water treatment tank, the scraper can abut against the end wall of the waste water treatment tank and drive the torsion spring to deform.

Further, the collection mechanism includes a collection tank and a collection box arranged at the end of the collection tank, the collection tank is arranged obliquely outside the waste water treatment tank, and the end of the collection tank close to the collection box is lower than the collection tank and away from the collection box and the lowest end of the collection tank extends to the inside of the collection box, and the waste water treatment box is provided with a gap for the passage of the scraping blade.

Further, a water storage chamber is horizontally arranged on the collection tank, and a plurality of protrusions are distributed on the bottom surface of the water storage chamber along its length direction, and a nozzle is arranged between two adjacent protrusions, so that The bottom of the scraping blade is distributed with a plurality of knocking teeth for extruding the raised part along its length direction. One end of the water storage chamber is provided with a water pump, and the inlet end of the water pump is provided with a collection box. The outlet end of the water pump is provided with a water inlet pipe connected with the water storage chamber.

Further, a filter plate is provided in the collection box, and a return pipe is provided at the bottom of the collection box, and the end of the return pipe away from the collection box extends into the waste water treatment tank.

Further, the drive assembly includes a drive motor, a lead screw and a guide rod, the lead screw and the guide rod are arranged on both sides of the waste water treatment tank along the length direction of the waste water treatment tank, and the waste water treatment tank is located on the lead screw Both ends of each are provided with a first support, the screw is rotated between the two first supports, the drive motor is fixed on one of the first supports and the output shaft of the drive motor and the lead screw Coaxial connection, one of the support bases of the scraper seat is provided with a threaded hole and threaded on the screw, and the waste water treatment tank is provided with a second support at both ends of the guide rod. The guide rod is fixedly arranged between the two second supports, and the other support seat of the scraper seat is provided with a guide hole and is slidably connected to the guide rod.

Further, the bottom side of the waste water treatment tank is communicated with a liquid discharge chamber, the liquid outlet pipe is arranged on the side of the liquid discharge chamber away from the waste water treatment tank, and the inner wall of the waste water treatment tank is provided with a filter plate , the side of the filter screen facing the wastewater treatment tank is provided with a rib, the filter screen is provided with a slider, and the inner wall of the wastewater treatment tank is provided with a chute for the slider to slide along the vertical direction , the top of the filter screen is provided with a pull rope.

Further, a filter sponge block and an activated carbon plate are arranged in the liquid discharge chamber, and a port for taking out the filter sponge block and the activated carbon plate is provided on the top of the liquid discharge chamber, and a communication port for connecting the filter sponge block and the activated carbon plate is provided in the liquid discharge chamber. The mouth is connected with a countersunk step, and the countersunk step is provided with a blocking plate for blocking the opening, and the blocking plate is fixed on the countersunk step by bolts.

Further, the rotating assembly includes a rotating motor, the outer wall of the waste water treatment tank is provided with a motor seat, the rotating motor is fixedly arranged on the motor seat and the output shaft of the rotating motor is coaxially connected with the first stirring shaft, The first stirring shaft is provided with a driving sprocket, the second stirring shaft is provided with a driven sprocket, and a chain is wound between the driving sprocket and the driven sprocket.

The technical solutions of the embodiments of the present invention have at least the following advantages and beneficial effects:

1. In the present invention, a scraping assembly and a driving assembly are arranged on the top of the wastewater treatment tank, and the driving assembly drives the scraping assembly to drive the suspended impurities generated after the reaction is completed from the wastewater treatment tank to the collection mechanism, so as to avoid the suspension of impurities It adheres to the side wall of the waste water treatment tank during the discharge of waste water, which makes it inconvenient to clean up later.

2. In the present invention, a drain chamber is arranged on the waste water treatment tank, a filter screen is set in the waste water treatment tank to intercept the large particles of impurities in the waste water, and a filter sponge block is set in the drain chamber to intercept the small particles of impurities. And the soluble impurities are adsorbed by the activated carbon plate to improve the removal effect of impurities in the wastewater.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and thus It should be regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings based on these drawings without creative work.

Fig. 1 is the first schematic structural view of the wastewater treatment device of the present invention, used to show the structure of the stirring mechanism and the cleaning mechanism in the wastewater treatment tank;

Fig. 2 is the second structural schematic diagram of the wastewater treatment device of the present invention, used to show the structure of the collection mechanism on the wastewater treatment tank;

Fig. 3 is the structural representation of stirring mechanism of the present invention;

Fig. 4 is the structural representation of cleaning mechanism of the present invention;

Fig. 5 is a schematic structural view of the scraper blade and the rotating seat of the present invention;

Fig. 6 is the structural representation of collecting mechanism of the present invention;

Fig. 7 is the schematic structural view of filter screen plate of the present invention;

Fig. 8 is a schematic diagram of the internal structure of the drainage chamber of the present invention;

Icons: 1-wastewater treatment tank, 11-inlet pipe, 12-outlet pipe, 13-notch, 14-drainage cavity, 141-filter sponge block, 142-activated carbon plate, 143-port, 144-sunk head Step, 145-blocking plate, 1451-bolt, 15-filter plate, 151-rib, 152-slider, 153-lifting rope, 2-stirring mechanism, 21-first stirring shaft, 22-second Stirring shaft, 23-rotating assembly, 231-rotating motor, 232-motor seat, 233-driving sprocket, 234-driven sprocket, 235-chain, 24-stirring blade, 3-cleaning mechanism, 31-scraping assembly , 311-scraping seat, 312-supporting seat, 313-supporting column, 314-driving cylinder, 315-rotating seat, 316-scraping blade, 3161-knocking teeth, 317-torsion spring, 32-driving assembly, 321 -drive motor, 322-lead screw, 323-guide rod, 324-first support, 325-second support, 4-collection mechanism, 41-collection tank, 42-collection box, 421-filter plate, 422- Return pipe, 43-water storage cavity, 431-protruding part, 432-nozzle, 433-suction pump, 4331-suction pipe, 4332-water inlet pipe.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Example 1

Below with reference to Fig. 1-shown in Fig. 8, further explanation in conjunction with specific embodiment, with reference to Fig. 1, shown in Fig. 2, the present invention is a kind of waste water treatment device, comprises waste water treatment box 1, and liquid inlet is installed on the waste water treatment box 1 Pipe 11 and liquid outlet pipe 12, a stirring mechanism 2 is provided in the waste water treatment tank 1, waste water is added to the waste water treatment tank 1 through the liquid inlet pipe 11, and then chemical reagents are added to the waste water treatment tank 1, and the stirring mechanism 2 pairs The waste water is stirred to fully react the waste water and the chemical reagents, and the treated waste water is discharged through the outlet pipe 12 after the reaction is completed. The top of the wastewater treatment tank 1 is provided with a cleaning mechanism 3 for cleaning suspended impurities. The cleaning mechanism 3 includes a scraper assembly 31 and a drive assembly 32 for driving the scraper assembly 31 to move along the length direction of the wastewater treatment tank 1. Wastewater treatment The outside of the box 1 is provided with a collection mechanism 4 for collecting suspended impurities. Before the reacted wastewater is discharged, the driving assembly 32 drives the scraping assembly 31 to move along the length direction of the wastewater treatment tank 1 and drives the suspended impurities to move into the collection mechanism 4, and the collection mechanism 4 collects the suspended impurities for Avoid the suspended impurities from adhering to the inner wall of the waste water treatment tank 1 as the water level drops during the waste water discharge process, resulting in inconvenient cleaning in the later stage.

With reference to Fig. 1, shown in Fig. 3, agitating mechanism 2 comprises first agitating shaft 21, second agitating shaft 22 and the rotating assembly 23 that is used to drive first agitating shaft 21 and second agitating shaft 22 to rotate synchronously, first agitating shaft 21 and the second stirring shaft 22 are provided with stirring blades 24, and the stirring blades 24 of the first stirring shaft 21 and the second stirring shaft 22 are arranged alternately in turn, and the longer stirring blades can be selected under the condition that the space is fixed. 24, to improve the stirring effect. The rotating assembly 23 includes a rotating motor 231. The outer wall of the waste water treatment tank 1 is welded with a motor base 232. The rotating motor 231 is fixedly mounted on the motor base 232 and the output shaft of the rotating motor 231 is connected with the first stirring shaft 21 coaxially. A driving sprocket 233 is disposed on the first stirring shaft 21 , a driven sprocket 234 is disposed on the second stirring shaft 22 , and a chain 235 is wound between the driving sprocket 233 and the driven sprocket 234 . In the process of starting the rotating motor 231 to drive the first stirring shaft 21 to rotate, the driving sprocket 233 on the first stirring shaft 21 drives the driven sprocket 234 on the second stirring shaft 22 to rotate synchronously through the chain 235, so that the second The stirring shaft 22 rotates synchronously with the first stirring shaft 21 to stir the wastewater so that the wastewater and the chemical reagents fully react.

Referring to Fig. 4 and Fig. 5, the scraper assembly 31 includes a scraper seat 311, and both ends of the bottom of the scraper seat 311 are welded with support seats 312 along the vertical direction, and the two support seats 312 are slidably arranged in the waste water treatment area respectively. Both sides of the top of box 1, the bottom of scraping seat 311 is provided with support column 313, and the length direction of support column 313 is consistent with the length direction of scraping seat 311, is installed on the scraping seat 311 and is used for driving support column 313 along the support seat. The driving cylinder 314 that slides in the height direction of 312, the two ends of support column 313 are all provided with rotating seat 315, and between two rotating seats 315, scraping sheet 316 is installed in rotation, and the bottom of scraping sheet 316 moves towards the bottom of collecting mechanism 4. The direction is inclined, and a torsion spring 317 is arranged between the scraper blade 316 and the rotating seat 315 .

When the scraper seat 311 moves toward the end close to the collection mechanism 4 to the end of the waste water treatment tank 1 , the scraper piece 316 can abut against the end wall of the waste water treatment tank 1 and drive the torsion spring 317 to deform. By adjusting the drive cylinder 314 to make the bottom of the scraper 316 enter below the water surface, when the drive assembly 32 drives the scraper assembly 31 to move as a whole, it can drive the suspended impurities floating on the water surface to move towards the collection mechanism 4, When the scraper 316 moves with the scraper seat 311, it will first abut against the end wall of the waste water treatment tank 1, and when the scraper seat 311 continues to move, the scraper 316 will be driven to rotate, so that the torsion spring 317 will Twisted and deformed, start the driving cylinder 314 to drive the scraper 316 to move upward, and the torsion spring 317 can drive the scraper 316 to rotate in the direction close to the collection mechanism 4 during the process of recovering deformation, so as to discharge the collected suspended impurities into the collector Institution 4.

With reference to Fig. 2, shown in Fig. 6, collection mechanism 4 comprises collection tank 41 and the collection box 42 that is installed on the end of collection tank 41, and collection tank 41 is obliquely welded on the outside of waste water treatment tank 1, and collection tank 41 is close to the side of collection box 42 One end is lower than the end of the collection tank 41 away from the collection box 42 , and the lowest end of the collection tank 41 extends to the inside of the collection box 42 , and the waste water treatment tank 1 is provided with a gap 13 for the scraper blade 316 to pass through. When the drive cylinder 314 drives the scraper piece 316 to move upward, when the bottom of the scraper piece 316 reaches the height of the notch 13, it can rotate and discharge the suspended impurities into the collection tank 41. After entering the collection tank 41, the suspended impurities will be It flows into the collection box 42 along the length direction of the collection tank 41 .

Referring to Fig. 4 and Fig. 6, a water storage chamber 43 is installed horizontally on the collection tank 41, and the bottom surface of the water storage chamber 43 is distributed with a plurality of raised parts 431 along its own length direction, between two adjacent raised parts 431. A nozzle 432 is provided, and the bottom of the scraper 316 is distributed with a plurality of knocking teeth 3161 along its length direction, and the knocking teeth 3161 correspond to the protrusions 431 one by one. When the protrusions 431 abut against each other, the knocking teeth 3161 can squeeze the protrusions 431 and make the water in the water storage chamber 43 spray from the nozzle 432 onto the scraper 316, thereby washing the scraper 316 and The residual impurities on the scraping sheet 316 are washed into the collection tank 41 . One end of the water storage chamber 43 is provided with a water pump 433, the inlet end of the water pump 433 is provided with a water suction pipe 4331 that communicates with the collection box 42, and the outlet end of the water pump 433 is provided with a water inlet pipe 4332 that communicates with the water storage chamber 43 . After the protruding portion 431 is squeezed by the knocking teeth 3161, the water pump 433 is started and the waste water is sucked into the water storage cavity 43, so as to facilitate the next flushing of the scraper blade 316. The collection box 42 is provided with a filter plate 421 and the bottom of the collection box 42 is provided with a return pipe 422 , and the end of the return pipe 422 away from the collection box 42 extends into the waste water treatment tank 1 . After the wastewater and suspended impurities enter the collection box 42 , the filter plate 421 can intercept the suspended impurities, and the wastewater can flow back into the wastewater treatment tank 1 through the return pipe 422 .

With reference to shown in Figure 4, driving assembly 32 comprises drive motor 321, leading screw 322 and guide bar 323, and leading screw 322 and guide bar 323 are installed on both sides of waste water treatment tank 1 along the length direction of waste water treatment tank 1, and waste water treatment tank 1 and located at both ends of the lead screw 322 are welded with a first support 324, the lead screw 322 is rotatably connected between the two first support 324, the drive motor 321 is fixedly installed on one of the first support 324 and The output shaft of the driving motor 321 is coaxially connected with the lead screw 322, and one of the support bases 312 of the scraper seat 311 is provided with a threaded hole and threaded on the lead screw 322. Both ends are provided with a second support 325, and the guide rod 323 is fixedly arranged between the two second support 325. The other support seat 312 of the scraper seat 311 is provided with a guide hole and is slidably connected to the guide rod 323. . Start the drive motor 321 to drive the lead screw 322 to rotate, that is, the support seats 312 on both sides of the bottom of the scraper seat 311 can be moved synchronously along the length direction of the waste water treatment tank 1, thereby driving the scraper sheet 316 to drive the suspended impurities in the waste water to approach The direction of the collection tank 41 moves.

Referring to Fig. 1, the bottom side of the waste water treatment tank 1 is communicated with a liquid discharge chamber 14, and the liquid outlet pipe 12 is installed on the side of the liquid discharge chamber 14 away from the waste water treatment tank 1, as shown in Fig. 2 and Fig. 7, The inner wall of the waste water treatment tank 1 is provided with a filter screen 15, and the side of the filter screen 15 towards the inside of the waste water treatment tank 1 is provided with a rib 151. When the treated waste water is discharged, the waste water will pass through the filter screen 15 and enter The liquid discharge chamber 14 and the filter plate 15 intercept large particles of precipitated impurities, and the trapped impurities are collected by the sidewall 151 . A slide block 152 is provided on the filter screen plate 15 , a chute for sliding the slide block 152 is provided on the inner wall of the waste water treatment tank 1 along the vertical direction, and a lifting rope 153 is provided on the top of the filter screen plate 15 . The filter screen plate 15 is pulled upwards to approach the opening of the waste water treatment tank 1 by the pull rope 153 , so that the staff can take out the trapped impurities from the waste water treatment tank 1 conveniently. The top of the pull rope 153 extends to the outside of the waste water treatment tank 1 , and the end of the pull rope 153 outside the waste water treatment tank 1 is provided with a limit block to prevent the top of the pull rope 153 from falling into the waste water treatment tank 1 .

Referring to FIG. 8 , a filter sponge block 141 and an activated carbon plate 142 are provided in the drain chamber 14 to facilitate re-filtering and purification of the waste water entering the drain chamber 14 . The top of the drain chamber 14 is provided with a port 143 for taking out the filter sponge block 141 and the activated carbon plate 142. A countersunk step 144 communicating with the port 143 is provided in the drain chamber 14, and a useful countersunk step 144 is provided on the countersunk step 144. For the blocking plate 145 that blocks the opening 143 , the blocking plate 145 is fixed on the countersunk step 144 by bolts 1451 . Screw out the bolt 1451 and take out the blocking plate 145, that is, the filter sponge block 141 and the activated carbon plate 142 can be taken out for cleaning or replacement.

The working process of this embodiment is: open the valve on the liquid inlet pipe 11 to add waste water into the waste water treatment tank 1, then add chemical reagents to the waste water treatment tank 1, and stir the waste water through the stirring mechanism 2 to make the waste water and the chemical Reagents fully reacted. Before the reacted wastewater is discharged, the driving assembly 32 drives the scraping assembly 31 to move along the length direction of the wastewater treatment tank 1 and drives the suspended impurities to move into the collection mechanism 4, and the collection mechanism 4 collects the suspended impurities for Prevent suspended impurities from adhering to the inner wall of the waste water treatment tank 1 as the water level drops during the waste water discharge process. Open the valve on the drain pipe to allow the waste water to enter the drain chamber 14, the filter screen 15 intercepts the large particles of precipitated impurities in the waste water treatment tank 1, and the filter sponge block 141 intercepts the small particles of impurities entering the drain chamber 14 again , the activated carbon plate 142 adsorbs the soluble impurities in the waste water, and finally the purified waste water is discharged from the drain pipe.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a wastewater treatment device, includes wastewater treatment box (1), be provided with feed liquor pipe (11) and drain pipe (12) on wastewater treatment box (1), be provided with rabbling mechanism (2) in wastewater treatment box (1), rabbling mechanism (2) include first (mixing) shaft (21), second (mixing) shaft (22) and are used for ordering about first (mixing) shaft (21) and second (mixing) shaft (22) synchronous pivoted runner assembly (23), all be provided with stirring vane (24) on first (mixing) shaft (21) and second (mixing) shaft (22), and stirring vane (24) of first (mixing) shaft (21) and second (mixing) shaft (22) crisscross the distribution in proper order, its characterized in that: the top of waste water treatment case (1) is provided with clearance mechanism (3) that are used for clearing up suspension nature impurity, clearance mechanism (3) are including scraping subassembly (31) and being used for the drive to scrape drive assembly (32) that subassembly (31) removed along the length direction of waste water treatment case (1), the outside of waste water treatment case (1) is provided with collection mechanism (4) that are used for collecting suspension nature impurity.

2. The wastewater treatment apparatus according to claim 1, characterized in that: scrape subassembly (31) including scraping seat (311), the both ends of scraping seat (311) all are provided with supporting seat (312), two supporting seat (312) slide respectively and set up the top both sides at waste water treatment case (1), the bottom of scraping seat (311) is provided with support column (313), it is used for driving support column (313) along gliding drive actuating cylinder (314) of direction of height of supporting seat (312) to scrape to be provided with on seat (311), the both ends of support column (313) all are provided with rotates seat (315), two it is provided with scrapes piece (316) to rotate between seat (315), the bottom of scraping piece (316) is to the direction slope of being close to collection mechanism (4), scrape and be provided with torsional spring (317) between piece (316) and rotation seat (315), when scraping seat (311) and moving to the tip of waste water treatment case (1) to the one end of being close to collection mechanism (4), scrape piece (316) can with the end wall looks butt of waste water treatment case (1) and order about torsional spring (317) and warp.

3. The wastewater treatment apparatus according to claim 2, characterized in that: the collecting mechanism (4) comprises a collecting groove (41) and a collecting box (42) arranged at the end part of the collecting groove (41), the collecting groove (41) is obliquely arranged outside the wastewater treatment box (1), one end, close to the collecting box (42), of the collecting groove (41) is lower than one end, far away from the collecting box (42), of the collecting groove (41), the lowest end of the collecting groove (41) extends to the inside of the collecting box (42), and a notch (13) for a scraping sheet (316) to pass through is formed in the wastewater treatment box (1).

4. The wastewater treatment apparatus according to claim 3, characterized in that: collecting vat (41) are improved level and are provided with water storage chamber (43), the bottom surface in water storage chamber (43) distributes along self length direction has a plurality of bellying (431), adjacent two be provided with shower nozzle (432) between bellying (431), the bottom of striking off piece (316) distributes along self length direction has a plurality of knocking teeth (3161) that are used for extrudeing bellying (431), the one end in water storage chamber (43) is provided with suction pump (433), the entrance point of suction pump (433) is provided with the pipe (4331) that absorb water that are linked together with collecting box (42), the exit end of suction pump (433) is provided with inlet tube (4332) that are linked together with water storage chamber (43).

5. The wastewater treatment apparatus according to claim 4, characterized in that: a filter plate (421) is arranged in the collection box (42), a return pipe (422) is arranged at the bottom of the collection box (42), and one end, far away from the collection box (42), of the return pipe (422) extends into the wastewater treatment box (1).

6. The wastewater treatment apparatus according to claim 2, characterized in that: drive assembly (32) include driving motor (321), lead screw (322) and guide bar (323) set up the both sides at waste water treatment case (1) along the length direction of waste water treatment case (1), the both ends that just are located lead screw (322) on waste water treatment case (1) all are provided with first support (324), lead screw (322) rotate to set up between two first supports (324), driving motor (321) are fixed to be set up on one of them first support (324) and the output shaft of driving motor (321) and lead screw (322) coaxial coupling, set up threaded hole and threaded connection on lead screw (322) on one of them supporting seat (312) of scraping seat (311), waste water treatment case (1) is gone up and is located the both ends of guide bar (323) and all is provided with second support (325), guide bar (323) are fixed to be set up between two second supports (325), seted up the guiding hole and sliding connection on guide bar (323 on another supporting seat (312) of scraping seat (311).

7. The wastewater treatment apparatus according to claim 1, characterized in that: bottom one side intercommunication of waste water treatment case (1) is provided with flowing back chamber (14), drain pipe (12) set up the one side of keeping away from waste water treatment case (1) in flowing back chamber (14), be provided with filter plate (15) on the inner wall of waste water treatment case (1), filter plate (15) are provided with flange (151) towards the one side in waste water treatment case (1), be provided with slider (152) on filter plate (15), offer the gliding spout of confession slider (152) along vertical direction on the inner wall of waste water treatment case (1), the top of filter plate (15) is provided with lifting rope (153).

8. The wastewater treatment apparatus according to claim 7, characterized in that: the liquid discharging device is characterized in that a filtering sponge block (141) and an activated carbon plate (142) are arranged in the liquid discharging cavity (14), a through hole (143) used for taking out the filtering sponge block (141) and the activated carbon plate (142) is formed in the top of the liquid discharging cavity (14), a countersunk head step (144) communicated with the through hole (143) is arranged in the liquid discharging cavity (14), a blocking plate (145) used for blocking the through hole (143) is arranged on the countersunk head step (144), and the blocking plate (145) is fixedly arranged on the countersunk head step (144) through a bolt (1451).

9. The wastewater treatment apparatus according to claim 1, characterized in that: rotating assembly (23) is including rotating motor (231), be provided with motor cabinet (232) on the outer wall of waste water treatment box (1), rotate motor (231) and fix the output shaft that sets up on motor cabinet (232) and rotate motor (231) and be connected with first (mixing) shaft (21) coaxial line, be provided with drive sprocket (233) on first (mixing) shaft (21), be provided with driven sprocket (234) on second (mixing) shaft (22), around being equipped with chain (235) between drive sprocket (233) and driven sprocket (234).

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