CN115724559A

CN115724559A - Waste water treatment device

Info

Publication number: CN115724559A
Application number: CN202211684446.1A
Authority: CN
Inventors: 宁萍; 陈久钧; 向勇
Original assignee: Sichuan North Hongguang Special Chemical Co ltd
Current assignee: Sichuan North Hongguang Special Chemical Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-03-03

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

Waste water treatment device

Technical Field

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

Background

The waste water treatment is to treat the waste water by a physical, chemical or biological method, so that the waste water is purified, the pollution is reduced, the aim of recycling the waste water is fulfilled, and water resources are fully utilized. In the treatment of industrial wastewater, chemical reagents are usually added into the industrial wastewater and fully react with the industrial wastewater to remove heavy metal ions, organic brighteners and other toxic substances from the industrial wastewater.

After the industrial wastewater reacts with the chemical reagent, the generated precipitate sinks to the bottom of the reaction container, and the suspended impurities float to the water surface of the wastewater. In the process of discharging the treated wastewater, suspended impurities can be attached to the side wall of the reaction vessel along with the reduction of the water level, and the cleaning at the later stage is inconvenient.

Disclosure of Invention

The invention aims to provide a wastewater treatment device which can conveniently remove suspended impurities from the water surface of wastewater so as to avoid the suspended impurities from attaching to the side wall of a reaction vessel when the wastewater is discharged.

The embodiment of the invention is realized by the following technical scheme: the utility model provides a wastewater treatment device, includes the wastewater treatment case, be provided with feed liquor pipe and drain pipe on the wastewater treatment case, be provided with rabbling mechanism in the wastewater treatment case, rabbling mechanism includes first (mixing) shaft, second (mixing) shaft and is used for ordering about first (mixing) shaft and the synchronous pivoted runner assembly of second (mixing) shaft, all be provided with stirring vane on first (mixing) shaft and the second (mixing) shaft, and the stirring vane of first (mixing) shaft and second (mixing) shaft crisscross distribution in proper order, the top of wastewater treatment case is provided with the clearance mechanism that is used for clearing up suspension impurity, clearance mechanism strikes off the drive assembly that the length direction of subassembly edge wastewater treatment case removed including striking off the subassembly and being used for the drive, the outside of wastewater treatment case is provided with the collection mechanism that is used for collecting suspension impurity.

Further, strike off the subassembly including striking off the seat, the both ends of striking off the seat all are provided with the supporting seat, two the supporting seat slides respectively and sets up the top both sides at the waste water treatment case, the bottom of striking off the seat is provided with the support column, it is used for driving the gliding actuating cylinder that drives of direction of height of support column edge to strike off to be provided with on the seat, the both ends of support column all are provided with rotates the seat, two it is provided with the piece of striking off to rotate between the seat, the bottom of striking off the piece is to the direction slope that is close to collection mechanism, strike off and be provided with the torsional spring between piece and the rotation seat, when striking off the seat and remove to the tip of waste water treatment case to the one end that is close to collection mechanism, strike off the piece can with the end wall looks butt of waste water treatment case and order about the torsional spring and warp.

Furthermore, the collecting mechanism comprises a collecting groove and a collecting box arranged at the end part of the collecting groove, the collecting groove is obliquely arranged outside the wastewater treatment box, one end, close to the collecting box, of the collecting groove is lower than one end, far away from the collecting box, of the collecting groove, the lowest end of the collecting groove extends to the inside of the collecting box, and a notch for the scraping sheet to pass through is formed in the wastewater treatment box.

Further, the collecting vat is improved level and is provided with the water storage chamber, the bottom surface in water storage chamber distributes along self length direction has a plurality of bellyings, adjacent two be provided with the shower nozzle between the bellyings, the bottom of striking off the piece distributes along self length direction has a plurality of teeth that strike that are used for extruding the bellyings, the one end in water storage chamber is provided with the suction pump, the entrance point of suction pump is provided with the pipe that absorbs water that is linked together with the collecting box, the exit end of suction pump is provided with the inlet tube that is linked together with the water storage chamber.

Furthermore, a filter plate is arranged in the collecting box, a return pipe is arranged at the bottom of the collecting box, and one end, far away from the collecting box, of the return pipe extends into the wastewater treatment box.

Further, drive assembly includes driving motor, lead screw and guide bar set up the both sides at the waste water treatment case along the length direction of waste water treatment case, the both ends that just are located the lead screw on the waste water treatment case all are provided with first support, the lead screw rotates and sets up between two first supports, driving motor is fixed to be set up on one of them first support and driving motor's output shaft and lead screw coaxial line are connected, set up threaded hole and threaded connection on striking off one of them supporting seat of seat on the lead screw, the both ends that just are located the guide bar on the waste water treatment case all are provided with the second support, the guide bar is fixed to be set up between two second supports, set up guiding hole and sliding connection on the guide bar on another supporting seat of striking off the seat.

Further, bottom one side intercommunication of waste water treatment case is provided with the flowing back chamber, the drain pipe sets up the one side of keeping away from the waste water treatment case at the flowing back chamber, be provided with filter plate on the inner wall of waste water treatment case, filter plate is provided with the flange towards the one side in the waste water treatment case, filter plate is last to be provided with the slider, offer the gliding spout of confession slider along vertical direction on the inner wall of waste water treatment case, filter plate's top is provided with the lifting rope.

Further, be provided with filtering sponge piece and active carbon board in the flowing back chamber, the opening that is used for filtering sponge piece and active carbon board to take out is offered at the top in flowing back chamber, be provided with the countersunk head step that is linked together with the opening in the flowing back chamber, be provided with the shutoff board that is used for the shutoff of opening on the countersunk head step, the shutoff board passes through the bolt fastening and sets up on the countersunk head step.

Further, the runner assembly is including rotating the motor, be provided with the motor cabinet on the outer wall of waste water treatment case, the fixed output shaft that sets up on the motor cabinet and rotate the motor of rotation is connected with first (mixing) shaft coaxial line, be provided with drive sprocket on the first (mixing) shaft, be provided with driven sprocket on the second (mixing) shaft, around being equipped with the chain between drive sprocket and the driven sprocket.

The technical scheme of the embodiment of the invention at least has the following advantages and beneficial effects:

1. according to the invention, the scraping component and the driving component are arranged at the top of the wastewater treatment box, and the driving component drives the scraping component to drive suspended impurities generated after reaction to the collecting mechanism from the wastewater treatment box, so that the suspended impurities are prevented from being attached to the side wall of the wastewater treatment box in the wastewater discharge process, and the inconvenience in later cleaning is avoided.

2. According to the invention, the liquid discharge cavity is arranged on the wastewater treatment box, the filter screen plate is arranged in the wastewater treatment box to intercept large-particle impurities in wastewater, the filter sponge block is arranged in the liquid discharge cavity to intercept small-particle impurities, and the activated carbon plate is used for adsorbing soluble impurities, so that the removal effect of impurities in wastewater is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a first configuration of the wastewater treatment apparatus of the present invention, showing the configuration of a stirring mechanism and a cleaning mechanism in a wastewater treatment tank;

FIG. 2 is a schematic view of a second structure of the wastewater treatment apparatus of the present invention, showing the structure of the collection mechanism on the wastewater treatment tank;

FIG. 3 is a schematic view of the stirring mechanism of the present invention;

FIG. 4 is a schematic structural view of the cleaning mechanism of the present invention;

FIG. 5 is a schematic view of the structure of the scraping sheet and the rotating base of the present invention;

FIG. 6 is a schematic view of the collection mechanism of the present invention;

FIG. 7 is a schematic structural diagram of a filter screen plate according to the present invention;

FIG. 8 is a schematic view of the internal structure of a drainage chamber according to the present invention;

icon: 1-wastewater treatment tank, 11-liquid inlet pipe, 12-liquid outlet pipe, 13-notch, 14-liquid outlet cavity, 141-filtering sponge block, 142-activated carbon plate, 143-through hole, 144-countersunk step, 145-blocking plate, 1451-bolt, 15-filtering screen plate, 151-flange, 152-slider, 153-lifting rope, 2-stirring mechanism, 21-first stirring shaft, 22-second stirring shaft, 23-rotating component, 231-rotating motor, 232-motor base, 233-driving sprocket, 234-driven sprocket, 235-chain, 24-stirring blade, 3-cleaning mechanism, 31-scraping component, 311-scraping base, 312-supporting base, 313-supporting column, 314-driving cylinder, 315-rotating base, 316-scraping sheet, 3161-knocking tooth, 317-torsion spring, 32-driving component, 321-driving motor, 322-lead screw, guide rod, 324-first return pipe, 325-second supporting base, 4-collecting mechanism, 41-42-collecting tank, 317-421-42-collecting tank, 43422-water inlet pipe, 43432-collecting tank, 4331-31-collecting tank, water inlet pipe, and 4331-collecting tank.

Detailed Description

In order to make the objects, 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 with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-8, further description is made with reference to specific embodiments, and referring to fig. 1 and 2, the present invention is a wastewater treatment apparatus, including a wastewater treatment tank 1, a liquid inlet pipe 11 and a liquid outlet pipe 12 are installed on the wastewater treatment tank 1, a stirring mechanism 2 is installed in the wastewater treatment tank 1, wastewater is added into the wastewater treatment tank 1 through the liquid inlet pipe 11, then a chemical reagent is added into the wastewater treatment tank 1, the wastewater is stirred through the stirring mechanism 2 to fully react with the chemical reagent, and the wastewater after the reaction is discharged through the liquid outlet pipe 12. The top of waste water treatment case 1 is equipped with the clearance mechanism 3 that is used for clearing up suspension nature impurity, and clearance mechanism 3 is provided with collection mechanism 4 that is used for collecting suspension nature impurity including scraping subassembly 31 and being used for the drive to scrape the drive assembly 32 that subassembly 31 removed along the length direction of waste water treatment case 1, waste water treatment case 1's outside. Before the waste water discharge after will reacting, drive through drive assembly 32 and strike off subassembly 31 and remove and drive suspensibility impurity and remove to collecting mechanism 4 along the length direction of waste water treatment case 1, collect mechanism 4 and collect suspensibility impurity to avoid waste water discharge in-process suspensibility impurity along with the decline of water level on attached to the inner wall of waste water treatment case 1, lead to the later stage clearance inconvenient.

Referring to fig. 1 and 3, the stirring mechanism 2 includes a first stirring shaft 21, a second stirring shaft 22 and a rotating assembly 23 for driving the first stirring shaft 21 and the second stirring shaft 22 to rotate synchronously, stirring blades 24 are disposed on the first stirring shaft 21 and the second stirring shaft 22, the stirring blades 24 of the first stirring shaft 21 and the second stirring shaft 22 are distributed in a staggered manner in sequence, and the longer stirring blades 24 can be selected under the condition that the space is fixed and unchanged, so as to improve the stirring effect. Rotating assembly 23 includes rotating motor 231, and the welding has motor cabinet 232 on the outer wall of waste water treatment box 1, rotates motor 231 fixed mounting and rotates the output shaft of motor 231 and be connected with first (mixing) shaft 21 coaxial line on motor cabinet 232, is equipped with drive sprocket 233 on the first (mixing) shaft 21, is equipped with driven sprocket 234 on the second (mixing) shaft 22, and the winding is equipped with chain 235 between drive sprocket 233 and the driven sprocket 234. In the process that the rotating motor 231 is started 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 synchronously rotate through the chain 235, so that the second stirring shaft 22 and the first stirring shaft 21 synchronously rotate, and the wastewater is stirred to fully react with the chemical reagent.

Referring to fig. 4 and 5, the scraping assembly 31 includes a scraping base 311, support bases 312 are welded at two ends of the bottom of the scraping base 311 along a vertical direction, the two support bases 312 are respectively slidably disposed at two sides of the top of the wastewater treatment tank 1, a support column 313 is disposed at the bottom of the scraping base 311, a length direction of the support column 313 is identical to a length direction of the scraping base 311, a driving cylinder 314 for driving the support column 313 to slide along a height direction of the support base 312 is mounted on the scraping base 311, rotating bases 315 are disposed at two ends of the support column 313, a scraping sheet 316 is rotatably mounted between the two rotating bases 315, the bottom of the scraping sheet 316 inclines towards a direction close to the collecting mechanism 4, and a torsion spring 317 is disposed between the scraping sheet 316 and the rotating bases 315.

When the scraping base 311 moves to the end of the wastewater treatment tank 1 near the collection mechanism 4, the scraping sheet 316 can abut against the end wall of the wastewater treatment tank 1 and drive the torsion spring 317 to deform. The bottom of scraping sheet 316 enters below the water surface by adjusting driving cylinder 314, when driving assembly 32 drives the in-process of scraping assembly 31 to move integrally, namely, the suspended impurities floating on the water surface can be driven to move towards the direction close to collecting mechanism 4, the scraping sheet 316 can be firstly abutted against the end wall of wastewater treatment box 1 when scraping base 311 moves continuously, scraping sheet 316 can be driven to rotate when scraping base 311 moves continuously, so that torsional spring 317 is distorted and deformed, driving cylinder 314 is started to drive scraping sheet 316 to move upwards, torsional spring 317 recovers the deformed in-process, namely, the scraping sheet 316 can be driven to rotate towards the direction close to collecting mechanism 4, and the collected suspended impurities are discharged into collecting mechanism 4.

Referring to fig. 2 and 6, the collecting mechanism 4 includes a collecting groove 41 and a collecting tank 42 installed at an end portion of the collecting groove 41, the collecting groove 41 is welded to an outer portion of the wastewater treatment tank 1 in an inclined manner, one end of the collecting groove 41 close to the collecting tank 42 is lower than one end of the collecting groove 41 away from the collecting tank 42, a lowest end of the collecting groove 41 extends to an inner portion of the collecting tank 42, and a notch 13 for passing the scraping sheet 316 is formed in the wastewater treatment tank 1. When driving actuating cylinder 314 and driving scraping sheet 316 upward movement, when scraping sheet 316's bottom reachd the height of breach 13, can take place to rotate and arrange suspensibility impurity to collecting vat 41 in, suspensibility impurity can flow to collecting box 42 along collecting vat 41's length direction after getting into collecting vat 41.

Referring to fig. 4 and 6, a water storage cavity 43 is horizontally installed on the collecting tank 41, a plurality of protrusions 431 are distributed on the bottom surface of the water storage cavity 43 along the length direction of the water storage cavity, a spray head 432 is arranged between two adjacent protrusions 431, a plurality of knocking teeth 3161 are distributed on the bottom of the scraping sheet 316 along the length direction of the scraping sheet, the knocking teeth 3161 correspond to the protrusions 431 in a one-to-one manner, when the scraping sheet 316 drives the knocking teeth 3161 to rotate to abut against the protrusions 431, the knocking teeth 3161 can extrude the protrusions 431 and enable water in the water storage cavity 43 to be sprayed out of the spray head 432 onto the scraping sheet 316, so that the scraping sheet 316 is washed, and residual impurities on the scraping sheet 316 are flushed into the collecting tank 41. A water suction pump 433 is arranged at one end of the water storage cavity 43, a water suction pipe 4331 communicated with the collection box 42 is arranged at the inlet end of the water suction pump 433, and a water inlet pipe 4332 communicated with the water storage cavity 43 is arranged at the outlet end of the water suction pump 433. After the striking teeth 3161 press the protrusion 431, the suction pump 433 is started and waste water is pumped into the water storage chamber 43, so as to facilitate the next time of washing the scraping sheet 316. A filter plate 421 is arranged in the collecting tank 42, a return pipe 422 is arranged at the bottom of the collecting tank 42, and one end of the return pipe 422 far away from the collecting tank 42 extends into the wastewater treatment tank 1. After the wastewater and the suspended impurities enter the collection box 42, the filter plate 421 can retain the suspended impurities, and the wastewater can flow back into the wastewater treatment box 1 through the return pipe 422.

Referring to fig. 4, the driving assembly 32 includes a driving motor 321, a screw rod 322 and a guide rod 323, the screw rod 322 and the guide rod 323 are installed at two sides of the wastewater treatment tank 1 along a length direction of the wastewater treatment tank 1, first supports 324 are welded at two ends of the screw rod 322 on the wastewater treatment tank 1, the screw rod 322 is rotatably connected between the two first supports 324, the driving motor 321 is fixedly installed on one of the first supports 324, an output shaft of the driving motor 321 is coaxially connected with the screw rod 322, a threaded hole is formed in one of the support bases 312 of the scraping base 311 and is in threaded connection with the screw rod 322, second supports 325 are arranged at two ends of the guide rod 323 on the wastewater treatment tank 1, the guide rod 323 is fixedly arranged between the two second supports 325, and a guide hole is formed in the other support base 312 of the scraping base 311 and is in sliding connection with the guide rod 323. Starting drive motor 321 and driving lead screw 322 to rotate, can make supporting seat 312 of scraping seat 311 bottom both sides remove along the length direction of waste water treatment case 1 in step promptly to the drive scrapes piece 316 and drives suspended impurity in waste water and remove to the direction that is close to collecting vat 41.

Referring to fig. 1, bottom one side intercommunication of waste water treatment case 1 is equipped with flowing back chamber 14, drain pipe 12 is installed in the one side that waste water treatment case 1 was kept away from in flowing back chamber 14, refer to fig. 2, fig. 7 show, be equipped with filter plate 15 on waste water treatment case 1's the inner wall, filter plate 15 is provided with flange 151 towards the one side in waste water treatment case 1, when the waste water discharge that will handle the completion, waste water can enter flowing back chamber 14 behind the filter plate 15, filter plate 15 deposits impurity to the large granule and holds back, impurity after holding back is collected by flange 151. The filter screen plate 15 is provided with a slide block 152, the inner wall of the wastewater treatment box 1 is provided with a slide groove for the slide block 152 to slide along the vertical direction, and the top of the filter screen plate 15 is provided with a lifting rope 153. The filter screen plate 15 is pulled up to the opening close to the wastewater treatment tank 1 by the pulling rope 153, so that the worker can take out the intercepted impurities from the wastewater treatment tank 1 conveniently. The top of lifting rope 153 extends to the outside of wastewater treatment box 1, and the one end that lifting rope 153 is located wastewater treatment box 1 outside is equipped with the stopper to avoid the top of lifting rope 153 to fall into wastewater treatment box 1.

Referring to FIG. 8, drainage lumen 14 is provided with a filter sponge block 141 and activated carbon plate 142 to facilitate re-filtration and purification of wastewater entering drainage lumen 14. A through hole 143 for taking out the filtering sponge block 141 and the activated carbon plate 142 is formed in the top of the liquid discharge cavity 14, a counter step 144 communicated with the through hole 143 is arranged in the liquid discharge cavity 14, a blocking plate 145 for blocking the through hole 143 is arranged on the counter step 144, and the blocking plate 145 is fixedly arranged on the counter step 144 through a bolt 1451. By unscrewing the bolts 1451 and taking out the plugging plate 145, the filter sponge block 141 and the activated carbon plate 142 can be taken out to be cleaned or replaced.

The working process of the embodiment is as follows: the valve on the liquid inlet pipe 11 is opened to add the wastewater into the wastewater treatment tank 1, then the chemical reagent is added into the wastewater treatment tank 1, and the wastewater is stirred by the stirring mechanism 2 so as to fully react with the chemical reagent. Before the waste water discharge after will reacting, drive through drive assembly 32 and strike off subassembly 31 and remove and drive suspension nature impurity and remove to collecting mechanism 4 along the length direction of waste water treatment case 1, collect mechanism 4 and collect suspension nature impurity to avoid waste water discharge in-process suspension nature impurity along with the decline of water level adhere to on waste water treatment case 1's inner wall. Open the valve on the drain pipe and make waste water get into flowing back chamber 14, filter screen plate 15 and settle impurity to the large granule in waste water treatment case 1 and hold back, filter sponge piece 141 and hold back the tiny particle impurity that gets into in flowing back chamber 14 once more, and activated carbon plate 142 adsorbs the soluble impurity in the waste water, finally makes the waste water after purifying discharge from the fluid-discharge tube.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

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).