CN115487715B - A domestic wastewater treatment device - Google Patents

Abstract

The invention relates to the technical field of wastewater, and discloses a domestic wastewater treatment device which comprises a wastewater barrel, wherein a vortex drum is fixed at the bottom end of an inner cavity of the wastewater barrel, a filter screen is fixed at an opening section of the vortex drum, the bottom end of the inner cavity of the wastewater barrel is rotatably connected with a first stirring rod, a stirring assembly for treating wastewater is arranged on the outer wall of the first stirring rod, a cleaning assembly for cleaning the wastewater barrel and the vortex drum is arranged in the stirring assembly, a dosing assembly for intermittent dosing is arranged on the upper end surface of the wastewater barrel, and an aeration assembly for assisting the stirring assembly is arranged on the outer wall of the first stirring rod. This be used for sanitary wastewater treatment device, through the combination of stirring subassembly and aeration subassembly, improve the stirring effect to waste water and liquid medicine, simultaneously through setting up the medicine subassembly, reach the effect that adds the medicine to waste water intermittent type to set up the clearance subassembly, reach the effect to waste water section of thick bamboo inner wall and scroll outer wall clearance.

Description

A domestic wastewater treatment device

technical field

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

Background technique

Domestic wastewater refers to the washing water excreted by residents in their daily life. If the wastewater is discharged directly, it will have an impact on the environment. Therefore, it is necessary to treat wastewater before discharge to reduce environmental pollution. Filter the large impurities that are insoluble in water, then pass the filtered wastewater into the wastewater treatment device for solid-liquid separation, then put chemicals into the wastewater, and stir the mixture, and then remove the organic matter from the wastewater by physical precipitation and other means The waste water is separated, and finally the waste water can be discharged.

At present, when the existing domestic wastewater treatment equipment is stirring the wastewater, it mainly mixes the wastewater and the medicament through multiple sets of stirring rods, which is inefficient. In addition, when the wastewater is treated, the staff needs to adjust according to the treatment efficiency and flow rate of the sewage. Adding flocculant intermittently will consume more energy of the staff.

Contents of the invention

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the present invention provides a domestic wastewater treatment device, which has the advantages of high stirring efficiency and can achieve intermittent dosing of sewage through the treatment efficiency of domestic sewage, and solves the problem of low mixing and stirring efficiency in the prior art. The problem.

(2) Technical solution

In order to achieve the above object, the present invention provides the following technical solutions: a domestic wastewater treatment device, including a waste water tank for domestic wastewater treatment, a scroll drum is fixedly installed at the bottom end of the inner chamber of the waste water tank, and the scroll drum The opening section is fixedly equipped with a filter screen, the inner cavity of the waste water cylinder is rotatably connected to the first stirring rod, the outer wall of the first stirring rod is provided with a stirring assembly for treating the waste water, and the stirring assembly is provided with a stirring assembly for cleaning the waste water. The cleaning assembly of the drum and the scroll drum, the upper end surface of the waste water drum is used for the dosing assembly for intermittent dosing, and the outer wall of the first stirring rod is provided with an aeration assembly for assisting the stirring assembly.

Preferably, the agitating assembly includes a sun gear fixedly installed on the top of the inner cavity of the waste water tank, a first connecting rod is rotatably connected to the outer wall of the first agitating rod, and one end of the first connecting rod is fixedly installed There is an auxiliary plate, the second stirring rod is connected in rotation in the auxiliary plate, the outer wall of the second stirring rod is key-connected with a planetary gear, the inner cavity of the sun gear is fixedly installed with a ring gear, and the planetary gear and the The ring gear is engaged and connected, the first stirring wheel is fixedly installed on the outer wall of the first stirring rod, and the second stirring wheel is fixedly installed on the outer wall of the second stirring rod.

Preferably, the cleaning assembly includes a cleaning rod fixedly installed on the outer wall of the first connecting rod, one end of the cleaning rod is fixedly mounted with a first cleaning strip, and the cleaning end of the first cleaning strip is connected to the inner wall of the waste water tank. contact, the outer wall of the first connecting rod is rotatably connected with a telescopic rod, the outer wall of the telescopic rod is sleeved with a tension spring, and the extending end of the telescopic rod is fixedly installed with a second cleaning block, and the second cleaning block In contact with the outer wall of the scroll, the upper end of the second cleaning block is provided with an auxiliary mechanism

Preferably, the dosing assembly includes a storage cylinder and a dosing cylinder fixedly installed on the upper surface of the waste water cylinder, a dosing tube communicates between the storage cylinder and the dosing cylinder, and the inner cavity of the dosing cylinder is movable A movable plate is connected, and a movable rod is fixedly installed on the end surface of the movable plate. An electric push rod is fixedly installed on the upper surface of the plate, and a movable pin is fixedly installed on the extended end of the electric push rod. An auxiliary rod is rotatably connected to the upper end of the waste water tank. An intermittent rod is fixedly installed on the top of the rod, and the intermittent rod is in contact with the outer wall of the movable pin.

Preferably, the aeration assembly includes an air box fixedly installed on the upper end surface of the waste water tank, a motor is fixedly installed on one side of the air box through a horizontal plate, and the shaft end of the motor rotor passes through one end of the air box A rotating rod is fixedly installed, one end of the rotating rod is keyed to a worm, one side of the worm is meshed with a turbine, and the turbine is keyed to the outer wall of the stirring rod, and the rotating rod is fixedly installed on the outer wall of the air box Cam, the inner cavity of the air box is fixedly equipped with a support plate, and a support rod is movably connected to the support plate. An air-filling block is fixedly installed, and stoppers are fixedly installed at both ends of the inner cavity of the air box. An air pipe, one end of the air box is provided with an air inlet, the top of the first stirring rod is provided with a rotary joint, one end of the aeration tube is fixedly installed in the rotary joint, and the upper end of the waste water tank is fixedly installed with As for the baffle, one end of the rotating rod is rotatably connected in the baffle.

Preferably, the auxiliary mechanism includes a hinged rod, the hinged rod is composed of a third connecting rod and a fourth connecting rod, and one end of the third connecting rod is correspondingly connected to the outer wall of the first connecting rod, so that One end of the fourth connecting rod is correspondingly rotatably connected to the upper end surface of the second cleaning block.

Preferably, the linkage mechanism includes a first pulley fixedly installed on the outer wall of the first stirring rod, a second pulley is fixedly installed on the outer wall of the auxiliary rod, and the first pulley and the second pulley are connected in a circle with belt

Preferably, a waste water pipe and an air outlet pipe are fixedly installed on both sides of the upper end of the waste water cylinder, a water outlet pipe is seamlessly welded at the bottom of the waste water cylinder, and a sewage suction pipe is seamlessly welded on the outer wall of the waste water cylinder.

There are several sets of cavities on the outer wall of the first stirring wheel, and spherical grooves are arranged in the cavities, and universal balls are movably connected in the spherical grooves, and blades are fixedly installed on both sides of the outer walls of the universal balls. , a connecting rod is fixedly connected between two adjacent groups of blades, and an offset block is fixedly installed at the bottom end of the waste water tank, the upper end surface of the offset block is against the lower end surface of a group of blades, and the first stirring wheel A sleeve is fixedly installed on the outer wall, and a spring sleeve rod is fixedly installed inside the sleeve, and an offset rod is fixedly installed at one end of the spring sleeve rod, and one end of the offset rod is rotatably connected to the upper end surfaces of a set of blades.

(3) Beneficial effects

Compared with the prior art, the present invention provides a domestic wastewater treatment device, which has the following beneficial effects:

1. By setting up the stirring assembly, when the motor is started, the first stirring wheel and the second stirring wheel can stir the wastewater and the liquid medicine at the same time through the meshing between the sun gear and the planetary gear when the motor is started. At the same time, when the first stirring wheel rotates, it makes Wastewater produces water flows in two different directions, and the aeration component transmits the compressed gas to the first stirring wheel, and the compressed gas is discharged through the air outlet and contacts with the turbulent water flow, which not only improves the stirring effect of the first stirring wheel, but also removes Odor in some water.

2. By setting up the cleaning component, when the first stirring rod rotates, it will drive the cleaning rod on the first connecting rod to make a circular motion, so that the first cleaning rod can clean up the adhesion on the inner wall of the waste water tank, and at the same time drive the cleaning rod on the telescopic rod to The second cleaning block makes a circular motion on the outer wall of the scroll to achieve the effect of cleaning the outer wall of the scroll.

3. By setting the dosing component, when dosing is required, the intermittent rod on the auxiliary rod is first driven by the belt to perform circular motion. When the rotating position of the intermittent rod contacts the outer wall of the movable pin, the movable pin drives the movable plate to reciprocate The vertical movement creates negative pressure in the area where the dosing tube is located, making the medicine in the storage tank fall from the dosing cylinder into the waste water tank, so that the effect of intermittent dosing can be achieved through the cooperation of the intermittent rod and the movable pin.

4. By setting the aeration component, when the rotating rod rotates, the rotating rod drives the cam to rotate, so that the cam drives the plate to move the piston, so that the gas in the air inlet is compressed, and then the compressed gas passes through the aeration tube. The rotary joint is transmitted to the first stirring wheel on the outer wall of the first stirring rod, and then the compressed gas is in contact with the spirally inclined water flow, which improves the stirring effect.

Description of drawings

Fig. 1 is a kind of domestic wastewater treatment device structural representation that the present invention proposes;

Figure 2 is a schematic diagram of an external sectional view of a domestic wastewater treatment device proposed by the present invention;

Fig. 3 is a schematic sectional view of a domestic wastewater treatment device proposed by the present invention;

Fig. 4 is a schematic diagram of the internal structure of a domestic wastewater treatment device proposed by the present invention;

Fig. 5 is a schematic diagram of the first stirring wheel in a kind of domestic wastewater treatment device proposed by the present invention;

Fig. 6 is an enlarged view of place a in a kind of domestic wastewater treatment device proposed by the present invention;

Figure 7 is an enlarged view of b in a domestic wastewater treatment device proposed by the present invention;

Figure 8 is an enlarged view of c in a domestic wastewater treatment device proposed by the present invention;

Fig. 9 is a cross-sectional view of the first stirring wheel in a domestic wastewater treatment device proposed by the present invention;

Fig. 10 is a top view of a scroll drum in a domestic wastewater treatment device proposed by the present invention.

In the figure: 1. waste water tank; 2. vortex drum; 3. filter screen; 4. first stirring rod; 5. sun gear; 6. first connecting rod; 7. second stirring rod; 8. planetary gear; 9. Ring gear; 10. First stirring wheel; 11. Second stirring wheel; 12. Cleaning rod; 13. First cleaning bar; 14. Telescopic rod; 15. Tension spring; 16. Second cleaning block; 17 , storage cylinder; 18, dosing cartridge; 19, dosing tube; 20, movable plate; 21, movable rod; 22, mounting plate; 23, electric push rod; 24, movable pin; 25, auxiliary rod; 26, intermittent Rod; 27, gas box; 28, motor; 29, rotating rod; 30, worm screw; 31, turbine; 32, cam; 33, support plate; 34, support rod; 35, reach plate; 36, return spring; 37, Aeration block; 38, aeration pipe; 39, rotary joint; 40, baffle plate; 41, third connecting rod; 42, fourth connecting rod; 43, first pulley; 44, second pulley; 45, belt; 46, waste water pipe; 47, air outlet pipe; 48, water outlet pipe; 49, sewage pipe; 50, universal ball; 51, blade; 52, connecting rod; 53, offset block; 54, sleeve; 55, spring 56, offset rod; 100, stirring assembly; 101, cleaning assembly; 102, dosing assembly; 103, aeration assembly; 200, compression spring.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example 1:

Referring to accompanying drawings 3-10, a domestic wastewater treatment device includes a waste water tank 1 for domestic wastewater treatment, a scroll drum 2 is fixedly installed at the bottom end of the inner chamber of the waste water drum 1, and by setting the scroll drum 2, the waste water and The medicine can be fully mixed, and the opening section of the vortex drum 2 is fixedly equipped with a filter screen 3, which separates the waste water from solid to liquid. For the agitating assembly 100 for treating wastewater, the agitating assembly 100 is provided with a cleaning assembly 101 for cleaning the waste water cylinder 1 and the scroll drum 2. The agitating assembly 100 includes a sun gear 5 fixedly installed on the top of the inner cavity of the waste water cylinder 1. The outer wall of a stirring rod 4 is rotatably connected with a first connecting rod 6, one end of the first connecting rod 6 is fixedly installed with an auxiliary plate, and the auxiliary plate is rotatably connected with a second stirring rod 7, and the second stirring rod 7 has a key on the outer wall. A planetary gear 8 is connected, a ring gear 9 is fixedly installed in the inner cavity of the sun gear 5, and the planetary gear 8 is engaged with the ring gear 9, and the first stirring wheel 10 is fixedly installed on the outer wall of the first stirring rod 4, the first stirring rod 4 and the second stirring rod The outer wall of a stirring wheel 10 is correspondingly provided with multiple groups of air outlets, the first stirring rod 4 communicates with the air outlets on the first stirring wheel 10, the air outlets on the first stirring wheel 10 communicate with the outside world, and the second stirring rod 7. A second stirring wheel 11 is fixedly installed on the outer wall. The second stirring wheel 11 includes four groups of impellers, and the inclination angles between adjacent groups of the four groups of impellers are just opposite.

The meshing of the sun gear 5 and the planetary gear 8 drives the first stirring wheel 10 and the second stirring wheel 11 to rotate to stir the waste water in the waste water tank 1 so that the liquid medicine and the waste water are fully mixed.

The cleaning assembly 101 includes a cleaning rod 12 fixedly installed on the outer wall of the first connecting rod 6, one end of the cleaning rod 12 is fixedly installed with a first cleaning strip 13, and the cleaning end of the first cleaning strip 13 is in contact with the inner wall of the waste water tank 1, and the first connecting rod 6 The outer wall is rotatably connected with a telescopic rod 14, the outer wall of the telescopic rod 14 is covered with a stretch spring 15, and the extension end of the telescopic rod 14 is fixedly installed with a second cleaning block 16, which is in contact with the outer wall of the scroll drum 2 The upper end of the second cleaning block 16 is provided with an auxiliary mechanism, the auxiliary mechanism includes a hinged rod, the hinged rod is composed of a third connecting rod 41 and a fourth connecting rod 42, and one end of the third connecting rod 41 is correspondingly connected to the first connecting rod for rotation. On the outer wall of the rod 6, one end of the fourth connecting rod 42 is correspondingly connected to the upper end surface of the second cleaning block 16 for rotation.

By setting the cleaning assembly 101, it is convenient to clean the inner wall of the waste water cylinder 1 and the outer wall of the scroll cylinder 2 at the same time.

Wastewater pipe 46 and air outlet pipe 47 are fixedly installed on both sides of the upper end of waste water cylinder 1, and outlet pipe 48 is seamlessly welded at the bottom of waste water cylinder 1. 1. A sewage pipe 49 is seamlessly welded on the outer wall. The sewage pipe 49 is connected to the output end of the external sewage pump. By setting the sewage pipe 49, it is convenient to extract water-insoluble substances after solid-liquid separation.

The outer wall of the first stirring wheel 10 is provided with multiple groups of cavities, and spherical grooves are arranged in the cavities. Universal balls 50 are movably connected in the spherical grooves, and blades 51 are fixedly installed on both sides of the outer walls of the universal balls 50. A connecting rod 52 is fixedly connected between the group of blades 51, an offset block 53 is fixedly installed at the bottom of the waste water tank 1, the upper end surface of the offset block 53 is against the lower end surface of a group of blades 51, and a The sleeve 54 is fixedly equipped with a spring sleeve rod 55 inside the sleeve 54, and the lower end of the spring sleeve rod 55 is fixedly equipped with a deflection rod 56, and the lower end of the deflection rod 56 is rotatably connected to the upper end surface of a group of blades 51.

When the present invention is in use, first connect the waste water pipe 46 to the external waste water output end, so that the waste water enters the waste water tank 1, then put the medicine into the waste water tank 1 through the dosing component 102, then start the motor 28, and the motor 28 drives the rotation The rod 29 rotates, and then the first stirring rod 4 is driven to rotate through the meshing of the worm 30 and the turbine 31, the first stirring rod 4 drives the auxiliary plate on the first connecting rod 6 to perform circular motion, and the planetary gear 8 meshes with the ring gear 9, Make the second stirring rod 7 in the planetary wheel 8 rotate in the auxiliary plate, so that the first stirring wheel 10 and the second stirring wheel 11 are driven to rotate at the same time, and the waste water in the waste water tank 1 is stirred, so that the liquid medicine and waste water Fully mix, at the same time, the aeration component 103 transmits the compressed gas to the first stirring wheel 10, the compressed gas is discharged through the air outlet, and the contact with the water flow not only improves the stirring effect of the first stirring wheel 10, but also removes part of the peculiar smell in the water , the finally reacted gas is discharged through the outlet pipe 47;

When the first stirring rod 4 rotates, it drives the second stirring rod 7 to rotate on its own, so that the first stirring rod 4 and the second stirring rod 7 rotate in the inner and outer parts of the scroll drum 2 respectively, so that the liquid medicine and waste water Fully mixed effect, and when the first stirring wheel 10 rotates, the lowermost blade 51 is driven to contact the offset block 53, and the universal ball 50 on the blade 51 is moved in the spherical groove under the action of the offset block 53, thereby Through the connection relationship between two adjacent groups of blades 51, the angle of the blades 51 is offset. When the lowermost blade 51 is not in contact with the offset block 53, the offset rod 56 is moved upwards under the action of the spring sleeve rod 55 , so that the angle of the blade 51 is reset, so that when the first stirring wheel 10 rotates one turn, the blade 51 produces water flows in two different directions, so that the liquid medicine and waste water are mixed more fully, and by placing the second stirring wheel 11 outside There are four sets of impellers, and the inclination angles between adjacent two sets of four sets of impellers are just opposite, so that the water flow outside the scroll drum 2 is stirred more fully.

By setting the cleaning assembly 101, when the first stirring rod 4 is rotated, the cleaning rod 12 on the first connecting rod 6 is driven to perform a circular motion, so that the first cleaning bar 13 cleans up the adhesion on the inner wall of the waste water cylinder 1, Simultaneously drive the second cleaning block 16 on the telescopic rod 14 to do circular motion on the scroll drum 2 outer walls, the specific circumstances are as follows; The change of diameter drives telescopic rod 14 to stretch out, and now tension spring 15 is out of shape, and the 3rd connecting rod 41 and the 4th connecting rod 42 on the auxiliary mechanism play the effect of auxiliary support to the second cleaning block 16 simultaneously, and Limit the second cleaning block 16, and make the second cleaning block 16 close to the outer wall of the scroll drum 2 under the action of the water flow, thereby cleaning the outer wall of the scroll drum 2. When the diameter becomes smaller, the stretching Under the action of the spring 15, the telescopic rod 14 is retracted, so that the second cleaning block 16 is adapted to the outer wall of the scroll drum 2, and the effect of cleaning the outer wall of the scroll drum 2 is achieved.

Embodiment 2: the difference based on Embodiment 1 is;

With reference to accompanying drawing 1-10, the upper end face of waste water cylinder 1 is used for the dosing assembly 102 of intermittent dosing, and dosing assembly 102 comprises the storage cylinder 17 and the dosing cylinder 18 that are fixedly installed on the upper end face of waste water cylinder 1, storage cylinder 17 and dosing cylinder 18. There is a dosing pipe 19 connected between the cartridges 18, and a movable plate 20 is movably connected to the inner cavity of the cartridge 18, and a movable rod 21 is fixedly installed on the upper surface of the movable plate 20, and the movable rod 21 runs through one end of the cartridge 18 and is fixedly installed with a Mounting plate 22, a compression spring 200 is set on the outer wall of the movable rod 21, an electric push rod 23 is fixedly installed on the upper end surface of the mounting plate 22, and a movable pin 24 is fixedly installed on the extended end of the electric push rod 23, and the upper end surface of the waste water cylinder 1 is rotationally connected. There is auxiliary rod 25, and the outer wall of auxiliary rod 25 is provided with linkage mechanism, and intermittent rod 26 is fixedly installed on the top of auxiliary rod 25, and intermittent rod 26 is in contact with the outer wall of movable pin 24, and the linkage mechanism includes fixedly installed on the outer wall of first stirring rod 4. The first pulley 43 and the second pulley 44 are fixedly installed on the outer wall of the auxiliary rod 25 , and a belt 45 is connected around the first pulley 43 and the second pulley 44 .

The dosing assembly 102 provided in the present invention, when it is necessary to add medicine, only needs to start the electric push rod 23, so that the movable pin 24 moves upwards, so that the movable pin 24 contacts the outer wall of the intermittent rod 26, when the first stirring rod 4 rotates , the first pulley 43 is driven to rotate, and the first pulley 43 drives the second pulley 44 to rotate through the belt 45, thereby driving the intermittent lever 26 on the auxiliary lever 25 to perform circular motion. When the outer wall contacts, the movable pin 24 drives the movable plate 20 to move downward, so that the movable plate 20 compresses the air in the cartridge 18. At this time, the compression spring 200 is deformed. When the intermittent rod 26 is not in contact with the movable pin 24, the Under the action of the compression spring 200, the movable plate 20 moves upwards, so that the area where the dosing tube 19 is located generates a negative pressure, so that the medicine in the storage cylinder 17 is transferred from the dosing tube 19 to the dosing cylinder 18, and finally the medicine is released from the dosing cylinder. The gap of 18 falls into the waste water cylinder 1, so that the effect of intermittent dosing can be achieved through the cooperation of the intermittent rod 26 and the movable pin 24. When dosing is not required, only the electric push rod 23 needs to be started to make the electric push rod 23 drives the movable pin 24 to move downwards, so that the intermittent rod 26 is no longer in contact with the movable pin 24 when doing circular motion.

Embodiment 3: the difference based on embodiment 1 is;

Referring to accompanying drawings 1-8, the aeration assembly 103 includes an air box 27 fixedly installed on the upper end surface of the waste water tank 1, a motor 28 is fixedly installed on one side of the air box 27 through a horizontal plate, and the rotor shaft end of the motor 28 penetrates through the air box 27. One end is fixedly installed with a rotating rod 29, one end of the rotating rod 29 is keyed to a worm 30, one side of the worm 30 is meshed with a turbine 31, the turbine 31 is keyed to the outer wall of the first stirring rod 4, and the rotating rod 29 is fixed on the outer wall of the air box 27 A cam 32 is installed, a support plate 33 is fixedly installed in the cavity of the air box 27, a support rod 34 is movably connected in the support plate 33, a support rod 34 is fixedly installed with a support plate 35 at one end, and a return spring 36 is set on the outer wall of the support rod 34 , the other end is fixedly installed with an air block 37, the two ends of the inner cavity of the air box 27 are fixed with stoppers, the two ends of the air block 37 are attached to two sets of blocks, and the upper end of the air box 27 is seamlessly welded with an aeration One end of the pipe 38 and the air box 27 is provided with an air inlet, the top of the first stirring rod 4 is provided with a rotary joint 39, one end of the aeration tube 38 is fixedly installed in the rotary joint 39, and the upper end of the waste water tank 1 is fixedly equipped with a baffle 40, One end of the rotating rod 29 is rotatably connected in the baffle plate 40 .

In the present invention, the aeration assembly 103 is provided. When in use, the motor 28 first drives the rotating rod 29 to rotate, and the rotating rod 29 drives the cam 32 to rotate. When the protruding end of the cam 32 contacts the resisting plate 35, it drives the resisting plate 35 upwards. At this time, the return spring 36 is compressed, and the abutment plate 35 drives the aeration block 37 to move upward, so that the gas entering from the air inlet is compressed, and then the compressed gas is transmitted to the first through the aeration tube 38 through the rotary joint 39 In the first stirring wheel 10 on the outer wall of the stirring rod 4, the contact between the compressed gas and the spirally inclined water flow improves the stirring effect. Drive the refilling block 37 to reset, so that the reciprocating cycle makes the gas box 27 produce a continuous stream of compressed gas to contact the waste water when the rotating rod 29 rotates, which improves the stirring effect.

It should be noted that the term "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also items not expressly listed other elements, or also include elements inherent in such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (7)

1. A domestic wastewater treatment device, includes a wastewater barrel (1) for domestic wastewater treatment, characterized in that: a vortex drum (2) is fixedly mounted at the bottom end of an inner cavity of the wastewater barrel (1), a filter screen (3) is fixedly mounted at an opening section of the vortex drum (2), the inner cavity of the wastewater barrel (1) is rotatably connected with a first stirring rod (4), a stirring assembly (100) for treating wastewater is arranged on the outer wall of the first stirring rod (4), a cleaning assembly (101) for cleaning the wastewater barrel (1) and the vortex drum (2) is arranged in the stirring assembly (100), a dosing assembly (102) for intermittent dosing is arranged on the upper end face of the wastewater barrel (1), and an aeration assembly (103) for assisting the stirring assembly (100) is arranged on the outer wall of the first stirring rod (4);

the stirring assembly (100) comprises a sun wheel (5) fixedly mounted at the top end of an inner cavity of the wastewater barrel (1), the outer wall of the first stirring rod (4) is rotatably connected with a first connecting rod (6), one end of the first connecting rod (6) is fixedly provided with an auxiliary plate, the auxiliary plate is rotatably connected with a second stirring rod (7), the outer wall of the second stirring rod (7) is connected with a planet wheel (8) in a key manner, the inner cavity of the sun wheel (5) is fixedly provided with a gear ring (9), the planet wheel (8) is meshed with the gear ring (9) in a connecting manner, the outer wall of the first stirring rod (4) is fixedly provided with a first stirring wheel (10), and the outer wall of the second stirring rod (7) is fixedly provided with a second stirring wheel (11);

be equipped with the multiunit cavity on first stirring wheel (10) outer wall, all be equipped with spherical groove in the cavity, equal swing joint universal ball (50) in the spherical groove, universal ball (50) outer wall both sides fixed mounting has blade (51), fixedly connected with connecting rod (52) between adjacent two sets of blade (51), waste water cylinder (1) bottom fixed mounting has skew piece (53), skew piece (53) up end supports and is in a set of terminal surface under blade (51), fixed mounting has sleeve (54) on first stirring wheel (10) outer wall, fixed mounting has spring loop pole (55) in sleeve (54), spring loop pole (55) one end fixed mounting has skew pole (56), skew pole (56) one end is rotated and is connected and is a set of blade (51) up end.

2. The domestic wastewater treatment apparatus according to claim 1, wherein: clearance subassembly (101) include fixed mounting be in clearance pole (12) on first connecting rod (6) outer wall, clearance pole (12) one end fixed mounting has first clearance strip (13), first clearance strip (13) clearance end with the contact of waste water section of thick bamboo (1) inner wall, it is connected with telescopic link (14) to rotate on first connecting rod (6) outer wall, the cover is equipped with extension spring (15) on telescopic link (14) outer wall, telescopic link (14) extension end fixed mounting has second clearance piece (16), second clearance piece (16) with whirlpool reel (2) outer wall contact, second clearance piece (16) up end is equipped with complementary unit.

3. The domestic wastewater treatment apparatus according to claim 1, wherein: add medicine subassembly (102) including fixed mounting waste water section of thick bamboo (1) up end storage cylinder (17) and add medicine section of thick bamboo (18), storage cylinder (17) and add medicine section of thick bamboo (18) between the intercommunication have with pencil (19), add medicine section of thick bamboo (18) inner chamber swing joint have fly leaf (20), fly leaf (20) up end fixed mounting has movable rod (21), movable rod (21) run through in add medicine section of thick bamboo (18) one end fixed mounting have mounting panel (22), the cover is equipped with compression spring (200) on movable rod (21) outer wall, mounting panel (22) up end fixed mounting has electric putter (23), electric putter (23) stretch out end fixed mounting have movable pin (24), waste water section of thick bamboo (1) up end rotates and is connected with auxiliary rod (25), be equipped with link gear on auxiliary rod (25) outer wall, auxiliary rod (25) top fixed mounting has intermittent type pole (26), intermittent type pole (26) with movable pin (24) outer wall contact.

4. The domestic wastewater treatment apparatus according to claim 1, wherein: aeration subassembly (103) includes fixed mounting the gas box (27) of waste water section of thick bamboo (1) up end, there is motor (28) gas box (27) one side through diaphragm fixed mounting, motor (28) rotor shaft end run through in one end fixed mounting dwang (29) of gas box (27), dwang (29) one end key-type connection has worm (30), worm (30) one side meshing has turbine (31), turbine (31) key-type connection is in on first puddler (4) outer wall, fixed mounting has cam (32) on dwang (29) is located the outer wall of gas box (27), gas box (27) inner chamber fixed mounting has backup pad (33), swing joint has bracing piece (34) in backup pad (33), bracing piece (34) one end fixed mounting has backup plate (35), the cover is equipped with reset spring (36) on bracing piece (34) outer wall, and the other end fixed mounting has air entrainment piece (37), gas box (27) inner chamber both ends fixed mounting has the dog, entrainment piece (37) both ends are laminated on two sets of dog, gas box (27) are gone up the welding of face have seamless gas box (27) air inlet end and are equipped with aeration pipe (38), aeration pipe (39) top end (39) stirring rod (4), aeration pipe (38) one end fixed mounting be in rotary joint (39), waste water section of thick bamboo (1) up end fixed mounting has baffle (40), dwang (29) one end is rotated and is connected in baffle (40).

5. The domestic wastewater treatment apparatus according to claim 2, wherein: the auxiliary mechanism comprises a hinge rod, the hinge rod is composed of a third connecting rod (41) and a fourth connecting rod (42), the corresponding rotation of one end of the third connecting rod (41) is connected to the outer wall of the first connecting rod (6), and the corresponding rotation of one end of the fourth connecting rod (42) is connected to the upper end face of the second cleaning block (16).

6. The domestic wastewater treatment apparatus according to claim 3, wherein: the link gear includes fixed mounting first belt pulley (43) on first puddler (4) outer wall, fixed mounting has second belt pulley (44) on auxiliary rod (25) outer wall, it is connected with belt (45) to encircle between first belt pulley (43) and second belt pulley (44).

7. The domestic wastewater treatment apparatus according to claim 1, wherein: a waste water section of thick bamboo (1) up end both sides fixed mounting has waste pipe (46) and outlet duct (47), a waste water section of thick bamboo (1) bottom seamless welding has outlet pipe (48), seamless welding has sewage pumping pipe (49) on a waste water section of thick bamboo (1) outer wall.

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