CN114477542A

CN114477542A - Municipal sewage treatment equipment and method

Info

Publication number: CN114477542A
Application number: CN202210104595.XA
Authority: CN
Inventors: 邹锦新
Original assignee: Guangzhou Zhongchuang Construction Technology Co ltd
Current assignee: Guangzhou Zhongchuang Construction Technology Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-05-13

Abstract

The invention discloses municipal sewage treatment equipment and a municipal sewage treatment method, and the municipal sewage treatment equipment comprises a box body, wherein an opening is formed in the top of the box body, a feed hopper is inserted into the opening, a flow distribution assembly for dispersing sewage is arranged in the box body, filter screen plates are fixedly connected to the inner walls of the two sides of the box body, one side, far away from the box body, of each filter screen plate is fixedly connected with a first connecting rod, the two ends of each first connecting rod are fixedly connected with first rotating rods, the first rotating rods are rotatably connected with the inner wall of one side of the box body, and an arc-shaped plate is fixedly connected to the top of each first connecting rod. The sewage and the flocculating agent can be fully mixed through the rotation of the water wheel, the content of bubbles in the sewage is increased, the produced flocculate can float on the water surface more quickly, the sewage purification effect and efficiency of the device are improved, and meanwhile, the cross section of the water wheel is triangular, so that the water containing and discharging rates of the water wheel are greatly improved.

Description

Municipal sewage treatment equipment and method

Technical Field

The invention relates to the field of sewage treatment, in particular to municipal sewage treatment equipment and a municipal sewage treatment method.

Background

Sewage is generally the effluent water from life and production that is contaminated to some extent. The sewage mainly comprises domestic sewage, industrial wastewater and initial rainwater. The main pollutants of the sewage include pathogen pollutants, oxygen-consuming pollutants, plant nutrients, toxic pollutants and the like. Sewage may be defined as a waste-laden liquid or water mixed with ground water, surface water, snow storms, etc. discharged from residential, institutional, commercial or industrial areas from the point of view of the source of the sewage. And at present a lot of domestic sewage directly discharge in the environment for seriously influence the environment, and residue and mud that contain in the sewage also directly flow into the environment along with sewage in, thereby serious influence municipal aspect, also brought very big vexation simultaneously for people's life.

When the traditional municipal sewage treatment device is used for treating sewage, a flow dividing component is not arranged in a sewage filtering link, so that most of sewage is filtered from the same area of a filter screen, the filtering efficiency of the filter screen is greatly reduced, and simultaneously, the blockage is easily caused; simultaneously when adding the flocculating agent in to sewage and carrying out the flocculation and precipitation, do not bulge into more air in to sewage to lead to the unable quick come-up of flocculation thing, slowed down the treatment effeciency of people to sewage greatly, can not satisfy people's user demand. Therefore, there is a need for a municipal sewage treatment apparatus and method to solve the above problems.

Disclosure of Invention

Aiming at the problems in the related art, the invention provides municipal sewage treatment equipment to overcome the technical problems in the prior related art.

The technical scheme of the invention is realized as follows:

a municipal sewage treatment device comprises a box body, wherein the top of the box body is provided with an opening, a feed hopper is inserted into the opening, a flow dividing assembly for dispersing sewage is arranged in the box body, the inner walls of the two sides of the box body are fixedly connected with a filter screen plate, one side of the filter screen plate, which is far away from the box body, is fixedly connected with a first connecting rod, the two ends of the first connecting rod are fixedly connected with a first rotating rod, the first rotating rod is rotatably connected with the inner wall of one side of the box body, the top of the first connecting rod is fixedly connected with an arc plate, a sedimentation assembly is arranged in the box body, an oxygenation assembly is arranged in the box body, the outer wall of one side of the box body is fixedly connected with a mounting seat, the top of the mounting seat is fixedly connected with a liquid storage box, the bottom of the liquid storage box is inserted with a liquid outlet pipe, and one end of the liquid outlet pipe, which is far away from the liquid storage box, is inserted with a connecting pipe, spray pipes are inserted into one side of the connecting pipe in an inserting mode and distributed at equal intervals, and a discharging assembly is arranged on the outer wall of one side of the box body.

Further, the flow distribution assembly comprises a flow distribution plate fixedly connected to the inner walls of the two sides of the box body, dispersion holes are formed in the top of the flow distribution plate, the top of the flow distribution plate is in triangular distribution, the specification of the dispersion holes is gradually increased, and a flow guide groove is formed in the top of the flow distribution plate.

Furthermore, the sedimentation assembly comprises a sedimentation cavity fixedly connected to the inner walls of two sides of the box body, the sedimentation cavity is located under the filter screen plate, the cross section of the sedimentation cavity is of a stepped shape, a sedimentation pipe is inserted into the bottom of the sedimentation cavity, one end, far away from the sedimentation cavity, of the sedimentation pipe is inserted into a sedimentation vessel, and a liquid discharge pipe is inserted into the bottom of the sedimentation cavity.

Further, the circumference outer wall fixedly connected with mounting bracket of sedimentation tube, open the top of mounting bracket has the draw-in groove, the inside grafting of draw-in groove has the kelly, the kelly is kept away from the one end of draw-in groove with the deposit dish forms fixed connection, the mounting bracket with one side of kelly all opens threaded hole, the inside threaded connection of threaded hole has clamping screw.

Further, the oxygenation subassembly is including setting up the second dwang in the box inside, the equal fixedly connected with third connecting rod of circumference outer wall of second dwang, the one end fixedly connected with water wheels of third connecting rod, the cross section of water wheels is triangle-shaped, one side fixedly connected with arc ware of water wheels, the fluid-discharge tube is located the top of oxygenation subassembly, the one end of second dwang is provided with and is used for the drive the lifting unit that oxygenation subassembly floated from top to bottom.

Further, the lifting unit is including seting up the spout of box both sides inner wall, one side inner wall sliding connection of spout has the slider, the circumference outer wall of second dwang has cup jointed the kicking block.

Furthermore, discharge holes are formed in the inner walls of the two sides of the box body, a second connecting rod and a baffle are fixedly connected to the inner walls of the two sides of the box body, the second connecting rod is far away from one end of the box body and is fixedly connected with a connecting ball, springs are fixedly connected to the outer wall of the circumference of the connecting ball, the filter screen plate is located between the connecting ball and the baffle, and discharge pipes are inserted into the two sides of the box body.

Furthermore, the discharging assembly comprises a transverse plate fixedly connected to the outer wall of one side of the box body, a pump body is fixedly connected to the top of the transverse plate, a storage box is connected to one end of the pump body in an inserting mode, a pumping pipe is connected to the top of the storage box in an inserting mode, a shell is connected to one end of the pumping pipe in an inserting mode, a reinforcing rod is fixedly connected to one side of the shell, one end of the reinforcing rod is fixedly connected to the inner wall of one side of the box body, a corrugated pipe is connected to one side, far away from the pumping pipe, of the shell in an inserting mode, the inner diameter of the corrugated pipe is larger than that of the pumping pipe, and a suction hopper is connected to one end of the corrugated pipe in an inserting mode.

Further, the inner walls of the two sides of the shell are rotatably connected with a third rotating rod, and the outer wall of the circumference of the third rotating rod is fixedly connected with dispersing blades which are distributed in a circular shape at equal intervals.

An operation method of the municipal sewage treatment equipment adopting the embodiment comprises the following steps:

s1: sewage is added into the box body through the feed hopper, the sewage added into the box body falls on the splitter plate, the sewage can fall on the filter screen plate for filtering through the dispersion holes and the diversion trenches on the splitter plate, and meanwhile, the dispersion holes are distributed in a triangular shape at the top of the splitter plate, and the specifications of the dispersion holes are gradually increased, so that the sewage falling on the splitter plate can uniformly fall on the filter screen plate, and the subsequent filtering work of the filter screen plate is facilitated;

s2: the sewage dispersed by the flow dividing assembly falls on the filter screen plate, so that a downward impact force is applied to the filter screen plate, the filter screen plate subjected to the impact force swings through the first rotating rod, the filtering efficiency of the filter screen plate on the sewage can be improved, the filtered impurities can be conveniently and quickly discharged, and meanwhile, the filter screen plate can collide with a spring on one side of the connecting ball in the swinging process of the filter screen plate, the swinging frequency of the filter screen plate is accelerated, and the filter screen plate is favorable for filtering the sewage;

s3: the sewage filtered by the filter screen plate flows into the sedimentation cavity, the inner diameter of the sedimentation cavity is gradually reduced due to the symmetrical step-shaped cross section of the sedimentation cavity, so that the sedimentation of the sludge is more facilitated, the sludge is deposited in the sedimentation vessel along with the gradual operation of the sedimentation assembly, and meanwhile, the sewage falling into the sedimentation cavity through the filter screen plate cannot influence the deposited sludge due to the fact that the inner diameter of the sedimentation pipe is far smaller than the diameter of the sedimentation vessel, so that the sedimentation effect of the sedimentation assembly on the sewage is ensured;

s4: after the sedimentation work of the sewage is finished, the drain pipe is opened and the flocculating agent in the liquid storage tank is sprayed out of the spray pipe, at the moment, the sewage in the sedimentation cavity falls into the water wheel below the sedimentation cavity, so that the water wheel rotates to carry out oxygenation and stirring work, the sewage and the flocculating agent can be fully mixed through the rotation of the water wheel, the content of bubbles in the sewage is increased, and the produced flocculate can quickly float on the water surface;

s5: a large amount of flocculates can float on the surface of water along with the addition of flocculating agent, simultaneously because the deposit ware is located inside the box, consequently a large amount of flocculates can gather around the deposit ware, the staff makes the inside negative pressure that produces of storage case through starting the pump body this moment, thereby can float in the flocculates suction storage case around the deposit ware, at the in-process of unloading the subassembly in with flocculates suction storage case, the inside dispersion blade of casing receives the effect of negative pressure and can rotate fast, thereby can carry out shear work to the flocculates, avoid it to lead to the fact the jam to the drawing pipe.

The invention has the beneficial effects that:

according to the municipal sewage treatment equipment and method provided by the invention, through the arranged flow distribution assembly, sewage is firstly added into the box body through the feed hopper, the sewage added into the box body can fall on the flow distribution plate, the sewage can fall on the filter screen plate for filtering through the dispersion holes and the flow guide grooves on the flow distribution plate, and meanwhile, the dispersion holes are distributed on the top of the flow distribution plate in a triangular shape, and the specifications of the dispersion holes are gradually increased, so that the sewage falling on the flow distribution plate can uniformly fall on the filter screen plate, the subsequent filtering work of the filter screen plate is facilitated, and the subsequent filtering efficiency of the filter screen plate on the sewage is improved.

According to the municipal sewage treatment equipment and the municipal sewage treatment method, the sewage dispersed by the flow dividing assembly falls on the filter screen plate through the filter screen plate, the first rotating rod, the arc-shaped plate, the second connecting rod, the connecting ball, the spring and the discharging pipe, so that downward impact force is applied to the filter screen plate, the filter screen plate subjected to the impact force swings through the first rotating rod, the filtering efficiency of the filter screen plate on the sewage can be improved, meanwhile, filtered impurities can be conveniently and quickly discharged, and meanwhile, the filter screen plate can collide with the spring on one side of the connecting ball in the swinging process, so that the swinging frequency of the filter screen plate is further accelerated, and the filtering work of the filter screen plate on the sewage is facilitated.

According to the municipal sewage treatment equipment and the municipal sewage treatment method, the sewage filtered by the filter screen plate flows into the sedimentation cavity through the arranged sedimentation component, the inner diameter of the sedimentation cavity is gradually reduced due to the symmetrical step-shaped cross section of the sedimentation cavity, the sedimentation of the sludge is more facilitated, the sludge is deposited in the sedimentation vessel along with the gradual working of the sedimentation component, and meanwhile, the sewage falling into the sedimentation cavity through the filter screen plate cannot influence the deposited sludge due to the fact that the inner diameter of the sedimentation tube is far smaller than the diameter of the sedimentation vessel, the sedimentation effect of the sedimentation component on the sewage is ensured, and the overall purification effect of the device on the sewage is further improved.

The municipal sewage treatment equipment and the method thereof provided by the invention open the drainage pipe and simultaneously spray the flocculating agent in the liquid storage tank out of the spray pipe after the sedimentation work of the sewage is finished through the arranged oxygenation component, the liquid storage tank, the connecting pipe and the spray pipe, at the moment, the sewage in the sedimentation cavity falls into the water wheel positioned below the sedimentation cavity, so that the water wheel rotates to carry out oxygenation and stirring work, the sewage and the flocculating agent can be fully mixed through the rotation of the water wheel, the bubble content in the sewage is increased, the produced flocculate can float on the water surface more quickly, the purification effect and the efficiency of the device on the sewage are improved, the cross section of the water wheel is triangular, the water filling and discharging speed of the water wheel is greatly improved, the rotation speed of the water wheel is further improved, and the oxygenation and stirring processes of the oxygenation component are realized through the action of the floating block, the aeration component can stir the wastewater with different water levels and carry out aeration work, and the application range of the device is enlarged.

According to the municipal sewage treatment equipment and method provided by the invention, through the arranged discharging assembly, the third rotating rod and the dispersing blades, a large amount of flocculate can float on the water surface along with the addition of a flocculating agent, meanwhile, because the deposition vessel is positioned in the box body, the large amount of flocculate can be gathered around the deposition vessel, at the moment, a worker starts the pump body to enable the interior of the storage box to generate negative pressure, so that the flocculate floating around the deposition vessel can be pumped into the storage box, and in the process that the discharging assembly pumps the flocculate into the storage box, the dispersing blades in the shell can rapidly rotate under the action of the negative pressure, so that the flocculate can be sheared, and the blockage of a pumping pipe is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a front sectional structural view of the present invention.

Fig. 2 is an enlarged schematic view of the structure at a of the present invention.

Fig. 3 is an enlarged schematic view of the structure at B of the present invention.

Fig. 4 is a schematic structural view of the oxygen increasing assembly and the lifting assembly of the present invention.

Fig. 5 is a schematic sectional structural view of the housing of the present invention.

Fig. 6 is a schematic structural diagram of the shunt assembly of the present invention.

In the figure:

1. a box body; 2. a flow distribution plate; 3. a feed hopper; 4. a dispersion hole; 5. a diversion trench; 6. a filter screen plate; 7. a discharge pipe; 8. a baffle plate; 9. a housing; 10. a material pumping pipe; 11. a material storage box; 12. a pump body; 13. a suction hopper; 14. a deposition dish; 15. a chute; 16. a connecting pipe; 17. a nozzle; 18. a liquid discharge pipe; 19. a liquid storage tank; 20. a sedimentation chamber; 21. an arc-shaped plate; 22. a first connecting rod; 23. a first rotating lever; 24. a second connecting rod; 25. a connecting ball; 26. a spring; 27. a discharge opening; 28. a slider; 29. a second rotating lever; 30. floating blocks; 31. an arc-shaped vessel; 32. a water wheel; 33. a third connecting rod; 35. a reinforcing bar; 36. a third rotating rod; 37. dispersing the leaves; 38. a bellows.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived from the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

The first embodiment is as follows:

in accordance with an embodiment of the present invention,

referring to fig. 1-6, a municipal sewage treatment device comprises a box body 1, wherein an opening is formed in the top of the box body 1, a feed hopper 3 is inserted into the opening, a diversion assembly for dispersing sewage is arranged in the box body 1, filter screen plates 6 are fixedly connected to inner walls of two sides of the box body 1, a first connecting rod 22 is fixedly connected to one side of each filter screen plate 6 away from the box body 1, first rotating rods 23 are fixedly connected to two ends of each first connecting rod 22, each first rotating rod 23 is rotatably connected to an inner wall of one side of the box body 1, an arc-shaped plate 21 is fixedly connected to the top of each first connecting rod 22, a sedimentation assembly is arranged in the box body 1, an oxygen increasing assembly is arranged in the box body 1, a mounting seat is fixedly connected to an outer wall of one side of the box body 1, a liquid storage tank 19 is fixedly connected to the top of the mounting seat, a liquid outlet pipe is inserted into the bottom of the liquid storage tank 19, a connecting pipe 16 is inserted into one end of the liquid outlet pipe away from the liquid storage tank 19, one side of connecting pipe 16 is pegged graft and is had the spray tube 17 that the equidistance distributes, one side outer wall of box 1 is provided with the subassembly of unloading, the staff adds the inside to box 1 through feeder hopper 3 with sewage at first, fall in the top of crossing filter plate 6 after the dispersion work through reposition of redundant personnel subassembly, fall into after carrying out abundant filtration by crossing filter plate 6 and subside in the subassembly and deposit, carry out oxygenation through the oxygenation subassembly afterwards and mix and form flocculate, discharge flocculate from box 1 inside through the subassembly of unloading at last, the purification work of device to sewage has been accomplished.

Please refer to fig. 1, the flow distribution assembly includes a flow distribution plate 2 fixedly connected to the inner walls of two sides of the box body 1, the top of the flow distribution plate 2 is provided with dispersion holes 4, the dispersion holes 4 are distributed in a triangular shape at the top of the flow distribution plate 2, the specification of the dispersion holes 4 is gradually increased, the top of the flow distribution plate 2 is provided with a diversion trench 5, the sewage added into the box body 1 can fall on the flow distribution plate 2, the sewage can fall on the filter screen plate 6 for filtering through the dispersion holes 4 and the diversion trench 5 on the flow distribution plate 2, meanwhile, the dispersion holes 4 are distributed in a triangular shape at the top of the flow distribution plate 2, and the specification of the dispersion holes 4 is gradually increased, so that the sewage falling on the flow distribution plate 2 can uniformly fall on the filter screen plate 6, and the subsequent filtering work of the filter screen plate 6 is facilitated.

Example two:

referring to fig. 1, the settling assembly includes a settling chamber 20 fixedly connected to the inner walls of the two sides of the box body 1, the settling chamber 20 is located right below the filter screen plate 6, the cross section of the settling chamber 20 is stepped, a settling pipe is inserted into the bottom of the settling chamber 20, a settling vessel 14 is inserted into one end of the settling pipe away from the settling chamber 20, a drain pipe 18 is inserted into the bottom of the settling chamber 20, the sewage filtered by the filter screen plate 6 flows into the settling chamber 20, because the cross section of the settling cavity 20 is in a symmetrical step shape, the inner diameter of the settling cavity 20 is gradually reduced, which is more beneficial to the settling of sludge, the sludge is deposited in the settling vessel 14 along with the gradual operation of the settling component, meanwhile, the inner diameter of the sedimentation pipe is far smaller than the diameter of the sedimentation vessel 14, so that the sewage falling into the sedimentation chamber 20 through the filter screen 6 can not influence the settled sludge, and the sedimentation effect of the sedimentation assembly on the sewage is ensured.

Example three:

please refer to fig. 1, the circumference outer wall fixedly connected with mounting bracket of sedimentation tube, open at the top of mounting bracket has the draw-in groove, the inside peg graft of draw-in groove has the kelly, the one end that the draw-in groove was kept away from to the kelly forms fixed connection with deposit dish 14, threaded hole is all opened to one side of mounting bracket and kelly, the inside threaded connection of screw hole has set screw, through the mutual joint between kelly and the draw-in groove, the stability of being connected between deposit dish 14 and the sedimentation tube has been guaranteed, thereby made things convenient for the staff follow-up cleaning work of dismantling deposit dish 14.

Example four:

referring to fig. 1 and 4, the aeration assembly includes a second rotating rod 29 disposed inside the tank 1, the outer wall of the circumference of the second rotating rod 29 is fixedly connected with a third connecting rod 33, one end of the third connecting rod 33 is fixedly connected with a water wheel 32, the cross section of the water wheel 32 is triangular, one side of the water wheel 32 is fixedly connected with an arc dish 31, the drain pipe 18 is disposed above the aeration assembly, one end of the second rotating rod 29 is provided with a lifting assembly for driving the aeration assembly to float up and down, after the settling work of the sewage is finished, the drain pipe 18 is opened and the flocculant inside the liquid storage tank 19 is sprayed out from the spray pipe 17, at this time, the sewage inside the settling chamber 20 falls into the water wheel 32 disposed below the same, so that the water wheel 32 rotates to perform aeration and stirring work, the sewage and the flocculant can be fully mixed through the rotation of the water wheel 32, and the content of bubbles in the sewage is increased, the flocculate that makes the production can be more quick floats on the surface of water, because the cross section of waterwheel 32 is triangle-shaped, has improved the speed that flourishing water and the water of waterwheel 32 unloaded for the slew rate of waterwheel 32 obtains further promotion.

Example five:

referring to fig. 1 and 4, the lifting assembly includes sliding grooves 15 formed in inner walls of two sides of the box body 1, a sliding block 28 is slidably connected to an inner wall of one side of the sliding groove 15, and a floating block 30 is sleeved on an outer circumferential wall of the second rotating rod 29, so that the oxygen increasing assembly can stir and increase oxygen in wastewater at different water levels under the action of the floating block 30 during oxygen increasing and stirring processes of the oxygen increasing assembly.

Example six:

referring to fig. 1-3, the inner walls of the two sides of the box body 1 are provided with discharge holes 27, the inner walls of the two sides of the box body 1 are fixedly connected with a second connecting rod 24 and a baffle plate 8, one end of the second connecting rod 24 away from the box body 1 is fixedly connected with a connecting ball 25, the outer wall of the circumference of the connecting ball 25 is fixedly connected with a spring 26, the filter screen plate 6 is positioned between the connecting ball 25 and the baffle plate 8, the two sides of the box body 1 are respectively inserted with a discharge pipe 7, sewage dispersed by the flow dividing assembly falls on the filter screen plate 6, so that downward impact force is applied to the filter screen plate 6, the filter screen plate 6 subjected to the impact force swings through a first rotating rod 23, the filtering efficiency of the filter screen plate 6 on the sewage can be improved, meanwhile, filtered impurities can be conveniently and rapidly discharged, and can collide with the spring 26 on one side of the connecting ball 25 in the swinging process of the filter screen plate 6, the swinging frequency of the filter screen plate 26 is accelerated, which is beneficial to the filtering work of the filter screen plate 6 to the sewage.

Example seven:

referring to fig. 1, the discharging assembly includes a transverse plate fixedly connected to an outer wall of one side of the box body 1, a pump body 12 is fixedly connected to a top of the transverse plate, a material storage box 11 is inserted into one end of the pump body 12, a material pumping pipe 10 is inserted into a top of the material storage box 11, a housing 9 is inserted into one end of the material pumping pipe 10, a reinforcing rod 35 is fixedly connected to one side of the housing 9, one end of the reinforcing rod 35 is fixedly connected to an inner wall of one side of the box body 1, a corrugated pipe 38 is inserted into one side of the housing 9 away from the material pumping pipe 10, an inner diameter of the corrugated pipe 38 is larger than that of the material pumping pipe 10, a suction hopper 13 is inserted into one end of the corrugated pipe 38, a large amount of flocculates float on the water surface along with the addition of the flocculating agent, meanwhile, as the sedimentation vessel 14 is positioned inside the tank body 1, a large amount of flocculates can be gathered around the sedimentation vessel 14, and at the moment, the worker starts the pump body 12 to enable the interior of the storage tank 11 to generate negative pressure, so that the flocculates floating around the sedimentation vessel 14 can be pumped into the storage tank 11.

Referring to fig. 5, the inner walls of the two sides of the housing 9 are rotatably connected with a third rotating rod 36, the outer wall of the circumference of the third rotating rod 36 is fixedly connected with dispersing blades 37 which are distributed in a circular shape at equal intervals, and in the process of the discharging assembly sucking flocculates into the storage tank 11, the dispersing blades 37 inside the housing 9 are rapidly rotated under the action of negative pressure, so that the flocculates can be sheared, and the blockage of the discharging pipe 10 is avoided.

the first step is as follows: sewage is added into the box body 1 through the feed hopper 3, the sewage added into the box body 1 can fall on the splitter plate 2, the sewage can fall on the filter screen plate 6 for filtering work through the dispersion holes 4 and the diversion trenches 5 on the splitter plate 2, and meanwhile, the dispersion holes 4 are distributed on the top of the splitter plate 2 in a triangular shape, and the specifications of the dispersion holes 4 are gradually increased, so that the sewage falling on the splitter plate 2 can uniformly fall on the filter screen plate 6, and the subsequent filtering work of the filter screen plate 6 is facilitated;

the second step is that: the sewage dispersed by the flow dividing assembly falls on the filter screen plate 6, so that downward impact force is applied to the filter screen plate 6, the filter screen plate 6 subjected to the impact force swings through the first rotating rod 23, the filtering efficiency of the filter screen plate 6 on the sewage can be improved, meanwhile, filtered impurities can be conveniently and quickly discharged, and meanwhile, the filter screen plate 6 can collide with the spring 26 on one side of the connecting ball 25 in the swinging process, the swinging frequency of the filter screen plate 26 is accelerated, and the filtering work of the filter screen plate 6 on the sewage is facilitated;

the third step: the sewage filtered by the filter screen 6 flows into the sedimentation chamber 20, the inner diameter of the sedimentation chamber 20 is gradually reduced due to the symmetrical step-shaped cross section of the sedimentation chamber 20, which is more beneficial to the sedimentation of the sludge, the sludge is deposited in the sedimentation vessel 14 along with the gradual operation of the sedimentation assembly, and meanwhile, the sewage falling into the sedimentation chamber 20 through the filter screen 6 cannot influence the deposited sludge due to the inner diameter of the sedimentation pipe being far smaller than the diameter of the sedimentation vessel 14, so that the sedimentation effect of the sedimentation assembly on the sewage is ensured;

the fourth step: after the sedimentation work of the sewage is finished, the liquid discharge pipe 18 is opened and simultaneously the flocculating agent in the liquid storage tank 19 is sprayed out from the spray pipe 17, at the moment, the sewage in the sedimentation cavity 20 falls into the water wheel 32 positioned below the sedimentation cavity, so that the water wheel 32 rotates to carry out oxygenation and stirring work, the sewage and the flocculating agent can be fully mixed through the rotation of the water wheel 32, the content of bubbles in the sewage is increased, and the produced flocculate can float on the water surface more quickly, because the cross section of the water wheel 32 is triangular, the water containing and discharging speed of the water wheel 32 is improved, the rotating speed of the water wheel 32 is further improved, and in the oxygenation and stirring processes of the oxygenation component, the oxygenation component can stir and work the wastewater with different oxygenation water levels through the action of the floating block 30;

the fifth step: along with the addition of flocculating agent a large amount of flocculates can float on the surface of water, simultaneously because deposit ware 14 is located inside box 1, consequently a large amount of flocculates can gather around deposit ware 14, the staff makes the inside negative pressure that produces of storage tank 11 through starting pump body 12 this moment, thereby can float in 14 flocculates suction storage tank 11 all around of deposit ware, at the in-process of unloading the subassembly with flocculates suction storage tank 11, the inside dispersion blade 37 of casing 9 receives the effect of negative pressure and can rotate fast, thereby can carry out shear work to the flocculates, avoid it to lead to the fact the jam to pumping pipe 10.

In summary, according to the above technical scheme of the present invention, when a worker needs to treat municipal sewage, the sewage may be first added into the box 1 through the feed hopper 3, the sewage added into the box 1 may fall on the splitter plate 2, the sewage may fall on the filter screen 6 through the dispersion holes 4 and the diversion trenches 5 on the splitter plate 2 to perform filtering operation, meanwhile, the dispersion holes 4 are distributed in a triangular shape on the top of the splitter plate 2, and the specifications of the dispersion holes 4 are gradually increased, so that the sewage falling on the splitter plate 2 may uniformly fall on the filter screen 6, which facilitates the subsequent filtering operation of the filter screen 6, the sewage dispersed by the splitter assembly falls on the filter screen 6, thereby applying a downward impact force to the filter screen 6, and the filter screen 6 after receiving the impact force swings through the first rotating rod 23, the filtering efficiency of the filtering screen plate 6 to the sewage can be improved, meanwhile, the filtered impurities can be discharged quickly, the filtering screen plate 6 can collide with the spring 26 on one side of the connecting ball 25 in the swinging process, the swinging frequency of the filtering screen plate 26 is accelerated, the filtering work of the filtering screen plate 6 to the sewage is facilitated, the sewage filtered by the filtering screen plate 6 can flow into the sedimentation chamber 20, the inner diameter of the sedimentation chamber 20 is gradually reduced due to the symmetrical step-shaped cross section of the sedimentation chamber 20, the sedimentation of the sludge is more facilitated, the sludge can be deposited in the sedimentation vessel 14 along with the gradual operation of the sedimentation assembly, and meanwhile, because the inner diameter of the sedimentation pipe is far smaller than the diameter of the sedimentation vessel 14, the sewage falling into the sedimentation chamber 20 through the filtering screen plate 6 can not influence the deposited sludge, and the sedimentation effect of the sedimentation assembly to the sewage is ensured, after the settlement of sewage is finished, the drainage pipe 18 is opened and simultaneously the flocculating agent in the liquid storage tank 19 is sprayed out from the spray pipe 17, at the moment, the sewage in the sedimentation cavity 20 falls into the water wheel 32 positioned below the sedimentation cavity, so that the water wheel 32 rotates to carry out oxygenation and stirring work, the sewage and the flocculating agent can be fully mixed through the rotation of the water wheel 32, the content of bubbles in the sewage is increased, and the produced flocculate can float on the water surface more quickly, because the cross section of the water wheel 32 is triangular, the water containing and discharging speed of the water wheel 32 is improved, the rotating speed of the water wheel 32 is further improved, in the oxygenation and stirring processes of the oxygenation component, through the action of the floating block 30, the oxygenation component can stir and work the wastewater with different oxygenation water levels, a large amount of flocculate can float on the water surface along with the addition of the flocculating agent, simultaneously because deposit ware 14 is located box 1 inside, consequently a large amount of flocculates can gather around deposit ware 14, the staff makes the inside negative pressure that produces of storage case 11 through starting pump body 12 this moment, thereby can be with floating in 14 flocculates suction storage case 11 all around of deposit ware, at the in-process that the subassembly of unloading will flocculate suction storage case 11, the dispersion blade 37 of casing 9 inside receives the effect of negative pressure and can rotate fast, thereby can carry out shear work to the flocculate, avoid it to lead to the fact the jam to pumping pipe 10.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The municipal sewage treatment equipment comprises a box body (1) and is characterized in that the top of the box body (1) is provided with an opening, a feed hopper (3) is inserted into the opening, a flow dividing assembly for dispersing sewage is arranged in the box body (1), the inner walls of two sides of the box body (1) are fixedly connected with a filter screen plate (6), one side of the filter screen plate (6) far away from the box body (1) is fixedly connected with a first connecting rod (22), two ends of the first connecting rod (22) are fixedly connected with first rotating rods (23), the first rotating rods (23) are rotatably connected with the inner wall of one side of the box body (1), the top of the first connecting rod (22) is fixedly connected with an arc-shaped plate (21), a sedimentation assembly is arranged in the box body (1), and an oxygen increasing assembly is arranged in the box body (1), the outer wall fixedly connected with mount pad of one side of box (1), the top fixedly connected with liquid reserve tank (19) of mount pad, peg graft in the bottom of liquid reserve tank (19) has the drain pipe, the drain pipe is kept away from the one end of liquid reserve tank (19) is pegged graft and is had connecting pipe (16), peg graft in one side of connecting pipe (16) and have spray tube (17) that the equidistance distributes, one side outer wall of box (1) is provided with the subassembly of unloading.

2. The municipal sewage treatment equipment according to claim 1, wherein the flow distribution assembly comprises a flow distribution plate (2) fixedly connected to the inner walls of the two sides of the tank body (1), the top of the flow distribution plate (2) is provided with distribution holes (4), the distribution holes (4) are distributed in a triangular shape at the top of the flow distribution plate (2), the size of the distribution holes (4) is gradually increased, and the top of the flow distribution plate (2) is provided with a diversion trench (5).

3. The municipal sewage treatment equipment according to claim 2, wherein the sedimentation assembly comprises sedimentation chambers (20) fixedly connected to the inner walls of the two sides of the tank body (1), the sedimentation chambers (20) are located right below the filter screen plates (6), the cross sections of the sedimentation chambers (20) are in a step shape, sedimentation pipes are inserted into the bottoms of the sedimentation chambers (20), sedimentation vessels (14) are inserted into the ends of the sedimentation pipes, which are far away from the sedimentation chambers (20), and a liquid discharge pipe (18) is inserted into the bottoms of the sedimentation chambers (20).

4. The municipal sewage treatment equipment according to claim 3, wherein a mounting frame is fixedly connected to the outer circumferential wall of the settling tube, a clamping groove is formed in the top of the mounting frame, a clamping rod is inserted into the clamping groove, one end of the clamping rod, which is far away from the clamping groove, is fixedly connected with the settling vessel (14), threaded holes are formed in both the mounting frame and one side of the clamping rod, and a fixing screw is connected to the inner threads of the threaded holes.

5. The municipal sewage treatment equipment according to claim 4, wherein the oxygen increasing assembly comprises a second rotating rod (29) arranged inside the box body (1), the outer wall of the circumference of the second rotating rod (29) is fixedly connected with a third connecting rod (33), one end of the third connecting rod (33) is fixedly connected with a water wheel (32), the cross section of the water wheel (32) is triangular, one side of the water wheel (32) is fixedly connected with an arc-shaped vessel (31), the drain pipe (18) is positioned above the oxygen increasing assembly, and one end of the second rotating rod (29) is provided with a lifting assembly for driving the oxygen increasing assembly to float up and down.

6. The municipal sewage treatment equipment according to claim 5, wherein the lifting assembly comprises a chute (15) formed in the inner walls of the two sides of the tank body (1), a sliding block (28) is slidably connected to the inner wall of one side of the chute (15), and a floating block (30) is sleeved on the outer wall of the circumference of the second rotating rod (29).

7. The municipal sewage treatment equipment according to claim 6, wherein the box (1) is provided with discharge holes (27) on both inner walls, the box (1) is fixedly connected with a second connecting rod (24) and a baffle (8) on both inner walls, a connecting ball (25) is fixedly connected to one end of the second connecting rod (24) far away from the box (1), a spring (26) is fixedly connected to the outer wall of the circumference of the connecting ball (25), the filter screen plate (6) is positioned between the connecting ball (25) and the baffle (8), and the box (1) is provided with discharge pipes (7) on both sides in an inserted manner.

8. The municipal sewage treatment apparatus according to claim 7, wherein the discharging assembly comprises a cross plate fixedly attached to an outer wall of one side of the tank (1), the top of the transverse plate is fixedly connected with a pump body (12), one end of the pump body (12) is inserted with a material storage box (11), a material pumping pipe (10) is inserted at the top of the material storage box (11), a shell (9) is inserted at one end of the material pumping pipe (10), one side of the shell (9) is fixedly connected with a reinforcing rod (35), one end of the reinforcing rod (35) is fixedly connected to the inner wall of one side of the box body (1), a corrugated pipe (38) is inserted into one side of the shell (9) far away from the material pumping pipe (10), the inner diameter of the corrugated pipe (38) is larger than that of the pumping pipe (10), and one end of the corrugated pipe (38) is inserted with a suction hopper (13).

9. The municipal sewage treatment equipment according to claim 8, wherein the inner walls of both sides of the housing (9) are rotatably connected with a third rotating rod (36), and the outer wall of the circumference of the third rotating rod (36) is fixedly connected with dispersing blades (37) which are equidistantly distributed in a circular shape.

10. A method of operating a municipal sewage treatment apparatus using the municipal sewage treatment apparatus according to claim 9, comprising the steps of:

s1, sewage is added into a box body (1) through a feed hopper (3), the sewage added into the box body (1) can fall on a splitter plate (2), the sewage can fall on a filter screen plate (6) for filtering through dispersion holes (4) and a diversion trench (5) on the splitter plate (2), and meanwhile, the dispersion holes (4) are distributed in a triangular shape on the top of the splitter plate (2), and the specifications of the dispersion holes (4) are gradually increased, so that the sewage falling on the splitter plate (2) can uniformly fall on the filter screen plate (6), and the subsequent filtering work of the filter screen plate (6) is facilitated;

s2, sewage dispersed by the flow dividing assembly falls on the filter screen plate (6), so that downward impact force is applied to the filter screen plate (6), the filter screen plate (6) subjected to the impact force swings through the first rotating rod (23), the filtering efficiency of the filter screen plate (6) on the sewage can be improved, meanwhile, filtered impurities can be discharged quickly, and meanwhile, the filter screen plate (6) can collide with the spring (26) on one side of the connecting ball (25) in the swinging process, the swinging frequency of the filter screen plate (26) is accelerated, and the filtering work of the filter screen plate (6) on the sewage is facilitated;

s3, sewage filtered by the filter screen plate (6) flows into the settling chamber (20), the inner diameter of the settling chamber (20) is gradually reduced due to the fact that the cross section of the settling chamber (20) is of a symmetrical step type, and settling of the sludge is facilitated, the sludge can be deposited in the settling vessel (14) along with gradual work of the settling assembly, and meanwhile, the sewage falling into the settling chamber (20) through the filter screen plate (6) cannot affect the settled sludge due to the fact that the inner diameter of the settling tube is far smaller than the diameter of the settling vessel (14), and settling effect of the settling assembly on the sewage is guaranteed;

s4, after the sedimentation work of the sewage is finished, opening a liquid discharge pipe (18) and simultaneously spraying a flocculating agent in a liquid storage tank (19) out of a spray pipe (17), wherein the sewage in a sedimentation cavity (20) falls into a water wheel (32) below the sedimentation cavity, thereby leading the water wheel (32) to rotate to carry out oxygenation and stirring work, leading the sewage to be fully mixed with the flocculating agent through the rotation of the water wheel (32), and increases the content of bubbles in the sewage, so that the produced flocculate can float on the water surface more quickly, because the cross section of the water wheel (32) is triangular, the water containing and discharging speed of the water wheel (32) is improved, the rotation speed of the water wheel (32) is further improved, and in the process of carrying out oxygenation and stirring by the oxygenation component, through the action of the floating block (30), the oxygen increasing component can stir the wastewater with different water levels and increase oxygen;

s5, along with the addition of flocculating agent a large amount of flocculates can float on the surface of water, simultaneously because deposit ware (14) are located inside box (1), consequently a large amount of flocculates can gather around deposit ware (14), the staff makes inside negative pressure that produces of storage case (11) through starting pump body (12) this moment, thereby can float in deposit ware (14) flocculates suction storage case (11) all around, at the in-process of unloading the subassembly with flocculates suction storage case (11), dispersion blade (37) of casing (9) inside receive the effect of negative pressure and can rotate fast, thereby can carry out shear work to the flocculates, avoid it to draw material pipe (10) to cause the jam.