CN117003304A - Municipal wastewater drainage device - Google Patents

Abstract

The application relates to a municipal sewage drainage device, and relates to the technical field of municipal drainage. The water draining device comprises a draining box and a storing box, wherein a top opening of the draining box is communicated with a water inlet pipe for introducing disinfection water into the draining box, a water outlet pipe is communicated with the side wall of the draining box, the storing box is horizontally arranged in the draining box, the side wall of the storing box is fixed with the inner wall of the draining box, an accommodating space is reserved between one side of the length direction of the storing box and the inner wall of the draining box, the top opening of the storing box is communicated with the opening of the draining box, a draining assembly is arranged in the storing box and used for filtering sewage in the storing box, the draining assembly is arranged in the accommodating space and is provided with a filtering assembly for covering the accommodating space, and the filtering assembly is used for receiving sewage discharged from the draining assembly and is used for filtering and draining the sewage into the draining box. The application has the advantages that impurities are not easy to roll into the drainage box, so that the treatment effect of the disinfection water on sewage is not easy to influence.

Description

Municipal wastewater drainage device

Technical Field

The application relates to the field of municipal drainage, in particular to a municipal sewage drainage device.

Background

Municipal sewage is mainly sourced from domestic sewage, and domestic sewage is domestic sewage and runoff sewage in urban areas. Is generally collected by urban pipelines and is discharged into water after being treated by urban sewage treatment plants. However, urban sewage contains a plurality of toxic and harmful organic matters, and a plurality of organic pollutants have three-induced (carcinogenic, teratogenic and mutagenic) effects and bioaccumulation, are easy to accumulate in water bodies and sediments, and finally enter the human body through a food chain to endanger the health of the human body.

In the related art, grant the chinese patent of bulletin number CN211896401U, disclose a municipal wastewater purification drainage device, including the disinfection pond, be connected with the drain pipe on the disinfection pond, disinfection pond intermediate position is provided with the filter vat, the filter vat is cylindric, offer a plurality of apopores with the disinfection pond intercommunication on the perisporium of filter vat bottom, filter vat inside detachably installs filter unit, filter unit is including setting up the grid apron in filter vat opening part, grid apron bottom is provided with the connecting rod, the one end that the grid apron was kept away from to the connecting rod has connected gradually coarse filter board and fine filter board.

When sewage treatment is carried out, sewage can be injected into the filter tank, then the sewage can pass through the grid cover plate firstly, then the sewage which is preliminarily filtered by the grid cover plate can continue to pass through the coarse filter plate and the fine filter plate for secondary filtration, so that small-particle impurities carried in the sewage can be filtered out, and finally the filtered sewage gold reaches the bottom of the filter tank and uniformly flows into the disinfection tank through the water outlet holes for subsequent disinfection treatment.

When sewage passes through the grid cover plate, impurities in the sewage can be blocked on the upper surface of the grid cover plate, after more impurities are accumulated on the grid cover plate, the impurities easily fall into the disinfection pond from the edge of the grid cover plate, and the disinfection effect of disinfectants in the disinfection pond is influenced, so that the sewage treatment effect is poor, and the improvement is needed.

Disclosure of Invention

The application provides a municipal sewage drainage device, which aims to solve the problem that impurities are easy to accumulate on a grid cover plate and roll into a disinfectant to influence sewage treatment effect.

The application provides a municipal sewage drainage device which adopts the following technical scheme:

a municipal wastewater drainage device for discharging wastewater, comprising:

the top of the drainage box is of an opening structure, a water inlet pipe for introducing disinfection water into the drainage box is communicated with the side wall of the drainage box, and a water outlet pipe is communicated with the side wall of the drainage box;

the storage box is horizontally arranged in the drainage box and is provided with an opening at the top, the side wall in the length direction of the storage box is attached to the inner wall in the length direction of the drainage box, one end side wall in the width direction of the storage box is attached to the inner wall in one end in the width direction of the drainage box, and an accommodating space is formed between the other end side wall in the width direction of the storage box and the other end side wall in the width direction of the drainage box;

the drainage assembly is arranged in the storage box and is used for filtering sewage in the storage box and draining the filtered sewage out of the storage box;

the filtering component is arranged in the accommodating space and divides the accommodating space into a sewage area above and a water purifying area below, and is used for receiving filtered sewage discharged from the drainage component and filtering the filtered sewage.

Through adopting above-mentioned technical scheme, during operation, pour sewage into depositing the case earlier, sewage gets into in depositing the case in the drainage subassembly, this in-process drainage subassembly filters sewage, make the great impurity separation of granule in the sewage deposit the case, and the sewage that filters the completion through the drainage subassembly is carried to accommodation space in, and lie in filter assembly, then carry out the secondary filtration to sewage by filter assembly, make remaining impurity in the sewage be separated in filter assembly, at last the sewage after twice filtration can pass through filter assembly smoothly and arrange in the drainage case. At this time, the disinfection water is introduced into the drainage tank through the water inlet pipe and is mixed with the filtered sewage in the drainage tank, the sewage is disinfected, and the disinfected water is discharged through the water outlet pipe, so that the sewage is treated.

The impurity in the sewage that wherein filters out is all left over in depositing case and filter equipment, and deposit the case and be the box structure of indent, the impurity is difficult for getting into in the drain tank from depositing the case and mixes with the disinfection water, and filter equipment has separated accommodation space, make the filter equipment only pass filter equipment with the passageway of the intercommunication of disinfection water in the drain tank, but impurity is blockked by filter equipment, will not be located in the sewage district and enter into the drain tank in water purification district by the impurity that filters promptly, thereby avoid impurity to cause the influence to the disinfection effect of disinfection water, effectively guaranteed the treatment effect of disinfection water to sewage.

Optionally, the drainage assembly includes:

the drain pipe is arranged in the storage box, one end of the drain pipe is opened and communicated with the filtering assembly, a plurality of through filtering holes are formed in the side wall of the drain pipe, a filter screen is arranged in the filtering holes, and the circumferential side wall of the filter screen is fixedly attached to the inner wall of the filtering holes;

the connecting pipe is worn to establish deposit the case, the one end of connecting pipe stretches into in the sewage district, the other end pass through the sewage pump with the drain pipe intercommunication, the sewage pump is located deposit on the case, the sewage pump is used for with the normal water of drain pipe is taken out in the filter component.

Through adopting above-mentioned technical scheme, after sewage pours into and deposits the case, water gets into the drain pipe through the filter screen in, the filter screen separates the impurity separation that the diameter is greater than the filter screen aperture in the sewage outside the drain pipe, and impurity storage is in depositing the case promptly, realizes the rough first filtration to impurity in the sewage, also accomplishes depositing to impurity. And then starting a sewage pump, pumping the sewage with fewer impurities in the drain pipe into the connecting pipe, discharging the sewage into the accommodating space through the connecting pipe, and placing the sewage on the filtering component to perform secondary filtering on the sewage.

Optionally, the drain pipe is arranged horizontally, and the drain pipe is arranged in the storage box in an S shape.

Through adopting above-mentioned technical scheme, the crooked whole length that arranges of drain pipe makes the drain pipe that is arranged in depositing the case longer to make the sewage volume that gets into in the drain pipe in the unit time more, and then increased by sewage pump suction to the water yield in the filter component, the water yield of filtration sewage promotes in the unit promptly, and the final water yield that contacts with the disinfection water also can increase, thereby has promoted the work efficiency of handling sewage.

Optionally, an insert is fixed on the side wall of the drain pipe, a slot is formed in the side wall of the storage box along the vertical direction, the top end of the slot penetrates through the top end of the side wall of the storage box, and the insert is inserted into the slot and can move in the slot.

Through adopting above-mentioned technical scheme, sewage passes the filter screen and gets into in the drain pipe, and the sewage that is located the drain pipe this moment still has the impurity that the diameter is less than the filter screen aperture, and drain pipe impurity easily glues on the inner wall of drain pipe, and after long-term use, the drain pipe easily takes place to block up, influences the flow of sewage at the drain pipe. At this time, the drain pipe is moved upwards, so that the insert block moves upwards vertically in the slot until the drain pipe moves out of the storage box from the top opening of the storage box, and the drain pipe is detached, so that the drain pipe is cleaned conveniently. After the drain pipe is cleaned, the insert block on the drain pipe is inserted into the slot from the top opening of the slot and moves downwards until the drain pipe moves to be abutted with the inner bottom wall of the storage box, so that the drain pipe is installed in the storage box.

Optionally, the filter assembly includes:

the rotating rod is horizontally arranged, is distributed along the width direction of the drainage box, and the end part of the rotating rod is rotationally connected to the inner side wall of the drainage box;

the filter frame is arranged along the width direction of the drainage box and comprises a vertical filter plate and an arc filter plate, the vertical filter plate is vertically arranged, the end wall of the vertical filter plate is abutted against the inner wall of the drainage box, the arc filter plate is a quarter arc surface which is arranged by taking a rotating rod as a center axis and the vertical filter plate as a radius, the end wall of the arc filter plate is abutted against the inner wall of the drainage box, and the bottom end of the arc filter plate is fixedly connected with the bottom end of the vertical filter plate;

the rotary block is arranged along the width direction of the drainage box, the cross section of the end part of the rotary block is a sector with the central angle of 90 degrees, the central shaft of the rotary block is coaxial with the rotary rod and fixedly connected with the rotary rod, one side radius edge of the rotary block is abutted to the vertical filter plate, the rotary block rotates, the arc surface of the rotary block is abutted to the outer side wall of the storage box, and the rotary block is used for pushing sewage to the filter frame.

By adopting the technical scheme, in the initial state, one side radius edge of the rotating block is abutted with the outer wall of the vertical filter plate, and the other side radius edge is horizontal and is on the same horizontal plane with the top wall of the filter frame. When the sewage pump discharges the sewage in the drain pipe from the opening at one end of the drain pipe, the sewage enters the sewage area and falls onto the rotating block and into the fan-shaped frame body formed by the vertical filter plate and the circular arc filter plate. Wherein the sewage is located in the filter frame, and impurity in the sewage is blocked in the filter frame by the filter frame, and water passes through the filter frame and gets into the drain tank.

Simultaneously, the drive dwang drives the dwang and upwards overturns for the dwang separates with the outer wall of filter frame, simultaneously, makes the lateral wall that the dwang flushes mutually with the filter frame roof rotate to vertical state, promotes sewage promptly to the filter frame in, promotes sewage flow, increases the speed that sewage passed the filter frame and gets into in the drain tank, improves work efficiency.

The lateral wall that dwang was kept away from to this in-process dwang is difficult for leaking to the drain tank from dwang and depositing between the lateral wall of case to the drain tank promptly with depositing the lateral wall butt of case all the time for carry out the secondary through the filter frame again after the drainage subassembly is first to filter, guarantee filterable thoroughness, make the disinfection effect of disinfection water be difficult for receiving impurity influence, thereby guaranteed sewage treatment effect.

Optionally, the top of filter frame is equipped with the manger plate cover, the manger plate cover with the inner wall fixed connection of drainage tank, the manger plate cover is used for leading sewage in the filter frame.

Through adopting above-mentioned technical scheme, after the one end opening of sewage follow drain pipe discharges to accommodation space, the manger plate cover plays the barrier effect for the sewage is difficult for splashing to the manger plate cover one side of keeping away from the filter frame, is to say that sewage restriction is between filter frame and manger plate cover, and the inner wall of manger plate cover plays the guide effect simultaneously, and when sewage falls on the inner wall of manger plate cover, sewage can drop into the filter frame along the orbit of manger plate cover inner wall, thereby realizes the drainage, has increased the turning block and has upwards overturned, promotes the stability in the sewage to the filter frame of turning block top.

Optionally, the rotating block is connected with the stripper plate through the connecting rod, the stripper plate perpendicular to the dwang, just the one end rotation of stripper plate is connected on the dwang, the rotating block rotation drive the stripper plate butt is in on the inner wall of filter frame.

Through adopting above-mentioned technical scheme, when the turning block upwards overturns, drive connecting rod and stripper plate and remove to the direction that is close to the filter frame simultaneously, until the turning block rotates 90 back, the stripper plate rotate to the inner wall butt with the filter frame, when promoting sewage flow, also press impurity on the inner wall of filter frame to extrude out the sewage in the impurity, be convenient for pass the filter frame with the sewage of filter frame and flow to the drainage tank in, promote the speed that sewage passed the filter frame, improve work efficiency.

Optionally, the stripper plate can be in on the connecting rod to be close to or keep away from the direction of turning block removes, the cover is equipped with the torsional spring on the turning rod, the one end of torsional spring with the turning rod is fixed, the other end with the stripper plate is fixed, is used for with the stripper plate is to keeping away from the direction of turning block is advanced.

Through adopting above-mentioned technical scheme, when the rotating block rotates for stripper plate and impurity butt, and with impurity extrusion on the inner wall of filter frame, when accumulational impurity is more in the filter frame, there is the clearance between stripper plate and the filter frame inner wall, make the distance that the stripper plate removed to the direction of filter frame shorten, but the moving distance of rotating block is unchangeable, thereby make the torsional spring take place deformation this moment, make the stripper plate remove to the direction that is close to the rotating block on the connecting rod, thereby make the inner wall formation contained angle of stripper plate and filter frame, can not cause the interference to the rotation of rotating block. The torsion spring always applies the force which pushes the extrusion plate to the direction close to the filtering frame, so that the extrusion plate is abutted with the impurity, the impurity is pressed on the inner wall of the filtering frame, the sewage in the impurity is conveniently extruded out,

optionally, be fixed with the installation piece on the lateral wall of filter frame, the mounting groove has been seted up along the horizontal direction on the inner wall of water drainage tank, the installation piece inserts and establishes in the mounting groove and can be in remove in the mounting groove, run through on the lateral wall of water drainage tank and set up the confession the mounting hole that the filter frame passed, the one end of mounting groove with the mounting hole intercommunication, it has the closing cap that is used for the closing cap to articulate on the inner wall of mounting hole the apron of mounting hole.

Through adopting above-mentioned technical scheme, pile up too much impurity in the filter frame after, the hole on the filter frame is easily blockked up to impurity, rotates the apron to the direction of keeping away from the drain tank this moment for the mounting hole is open state, takes out the drain tank with the one end of filter frame by the mounting hole afterwards, realizes the dismantlement of filter frame, is convenient for clear up the filter frame. After the filter frame is cleaned, the filter frame is inserted into the mounting hole, the mounting block is aligned with the mounting groove, one end of the mounting groove is inserted into the mounting groove, then the mounting block moves in the mounting groove along the length direction of the mounting groove until the filter frame is completely arranged in the drainage box, the filter frame is mounted in the drainage box, then the cover plate moves towards the direction close to the drainage box, the mounting hole is plugged again, and sewage treatment is facilitated.

Optionally, the storage box includes:

the storage frame is vertically communicated, the outer wall of the storage frame is fixedly attached to the inner wall of the drainage box, the accommodating space is positioned between one side of the storage frame in the length direction and the inner wall of the drainage box, and the slot and the sewage pump are both arranged on the inner wall of the storage frame;

the storage plate is positioned at the bottom of the storage frame and is rotationally connected to the inner wall of the drainage tank through a rotating shaft;

the pushing spring is arranged between the bottom wall of the storage plate and the inner side wall of the drainage box, one end of the pushing spring is fixed with the inner wall of the drainage box, and the other side of the pushing spring is fixed with the bottom wall of the storage plate and used for overturning the end, close to the filtering assembly, of the storage plate downwards by taking the rotating shaft as the axial direction.

Through adopting above-mentioned technical scheme, after sewage treatment is accomplished, upwards the lifting drain pipe earlier for the inserted block is taken out the slot, realizes the dismantlement of drain pipe, and the in-process that the drain pipe moved upwards, deposit the board and lose decurrent extrusion force, and under the elasticity effect of propulsion spring, make to deposit the board and use the pivot to rotate, thereby make the one end that the board is close to the turning block overturn downwards and separate with depositing the frame, and the other end of depositing the board then upwards moves, make the depositing board this moment be the incline condition, and pile up impurity and sewage that can follow depositing the board and remove in the drain pipe of failing in depositing the incasement, and follow the clearance department between depositing board and the depositing frame and flow to accommodation space, be located turning block and filter frame promptly, realize depositing the clearance of case. Then the rotating block is driven to rotate, so that sewage is pushed to flow, impurity extrusion is realized, and sewage treatment is facilitated.

In summary, the present application includes at least one of the following beneficial effects:

1. during operation, firstly pour sewage into deposit the case, sewage gets into the drainage subassembly in depositing the case, this in-process drainage subassembly filters sewage for the great impurity separation of granule in the sewage is depositing the case, and in the sewage that the filtration of via drainage subassembly accomplished is carried to accommodation space through the drainage subassembly, and be located filter assembly, then carry out the secondary by filter assembly to sewage, make remaining impurity in the sewage be separated in filter assembly, the sewage after the twice filtration can pass through filter assembly smoothly at last and arrange in the drainage case. At the moment, the disinfection water is introduced into the drainage box through the water inlet pipe and is mixed with the filtered sewage in the drainage box, the sewage is disinfected, and the disinfected water is discharged through the water outlet pipe to finish the sewage treatment;

2. after sewage is poured into the storage box, water enters the drain pipe through the filter screen, the filter screen blocks impurities with diameters larger than the aperture of the filter screen in the sewage out of the drain pipe, namely, the impurities are stored in the storage box, rough first filtration of the impurities in the sewage is achieved, and storage of the impurities is also completed. And then starting a sewage pump, pumping the sewage with fewer impurities in the drain pipe into the accommodating space, and falling on the filtering component to perform secondary filtering on the sewage.

Drawings

FIG. 1 is a schematic view of a municipal wastewater discharge device according to an embodiment of the application;

FIG. 2 is a sectional view showing the construction of a municipal sewage discharge device according to an embodiment of the application;

FIG. 3 is a schematic diagram of the positional relationship of the motor and the drain tank;

FIG. 4 is an enlarged view of FIG. 3 at A;

fig. 5 is a schematic view of the structure of the filter assembly.

In the figure: 10. a drain tank; 11. an accommodation space; 12. a mounting groove; 13. a mounting hole; 20. a storage case; 21. a storage frame; 211. a slot; 22. a storage plate; 221. a rotating shaft; 23. a propulsion spring; 30. a drainage assembly; 31. a drain pipe; 311. a filter hole; 312. a filter screen; 313. inserting blocks; 32. a sewage pump; 33. a connecting pipe; 40. a filter assembly; 41. a rotating block; 411. a connecting rod; 42. a rotating lever; 421. a motor; 43. a filter frame; 431. a mounting block; 432. a vertical filter plate; 433. arc filter plate; 50. an extrusion plate; 51. a torsion spring; 60. a water retaining cover; 70. a cover plate; 80. a water inlet pipe; 90. and a water outlet pipe.

Detailed Description

The application is described in further detail below with reference to fig. 1-5.

The embodiment of the application discloses a municipal sewage drainage device. Referring to fig. 1 and 2, the municipal sewage drainage device includes a drainage tank 10, the top of the drainage tank 10 is of an open structure, a water inlet pipe 80 is connected to the side wall of the drainage tank 10, and the water inlet pipe 80 is located at the bottom of the drainage tank 10 for introducing sterilizing water into the drainage tank 10. The side wall of the drainage tank 10 is also communicated with a water outlet pipe 90, and the water outlet pipe 90 and the water inlet pipe 80 are arranged at two ends of the drainage tank 10 and are used for discharging water in the drainage tank 10 out of the drainage tank 10.

Referring to fig. 1 and 2, a storage tank 20 is provided in the drainage tank 10, the storage tank 20 is horizontally disposed, the storage tank 20 is smaller than the drainage tank 10 in height, and the storage tank 20 is integrally located at one end above the drainage tank 10. The storage box 20 comprises a storage frame 21 and a storage plate 22, the storage frame 21 is a square frame body with a closed loop, the storage frame 21 is communicated up and down, the top of the drainage box 10 is communicated with the storage frame 21, the outer wall of the storage frame 21 is fixedly attached to the inner wall of the drainage box 10, the side wall of the width direction of the storage frame 21 is fixedly attached to the inner wall of the width direction of the drainage box 10, one end side wall of the length direction of the storage frame 21 is fixedly attached to one end inner wall of the length direction of the drainage box 10, and an accommodating space 11 is formed between the other end side wall of the length direction of the storage frame 21 and the other end inner wall of the length direction of the drainage box 10. The storage plate 22 is located at the bottom of the storage frame 21, and the storage plate 22 can completely close the bottom opening of the storage frame 21. Where the length direction of the drain tank 10 refers to the direction from the water inlet pipe 80 to the water outlet pipe 90 in fig. 2.

Referring to fig. 1 and 2, a rotation shaft 221 is horizontally installed in the drain tank 10, an end of the rotation shaft 221 is fixed to an inner wall of the drain tank 10, the rotation shaft 221 is disposed along a width direction of the drain tank 10 and is inserted into the storage plate 22, and the storage plate 22 can rotate on the rotation shaft 221 with the rotation shaft 221 as an axis. One side of the storage plate 22 in the length direction is bent upwards to form an extension plate, and one side of the storage frame 21, which is close to the accommodating space 11, is correspondingly provided with an accommodating groove. When the storage plate 22 is horizontally arranged to block the bottom opening of the storage frame 21, the extension plate is adapted to be inserted into the accommodating groove, so that the storage frame 21 and the storage plate 22 cooperate to form a concave box body with only a top opening.

Referring to fig. 1 and 2, a push spring 23 is provided under the storage plate 22, one end of the push spring 23 is fixed to the inner wall of the drain tank 10, the other end is fixed to the bottom wall of the storage plate 22, the push spring 23 is located at one side of the rotation shaft 221 away from the accommodating space 11, and the push spring 23 always pushes the end of the storage plate 22 away from the accommodating space 11 upward.

Referring to fig. 1 and 2, a drain assembly 30 is provided in the storage box 20 to press the storage plate 22 in a horizontal state so that sewage can be stored in the storage box 20 after being poured into the storage box 20. The drainage assembly 30 can also filter the sewage entering the storage tank 20 once and drain the filtered sewage into the accommodating space 11, the accommodating space 11 is provided with the filter assembly 40, the filter assembly 40 divides the whole accommodating space 11 into a sewage area above and a water purifying area below so as to receive the sewage drained from the drainage assembly 30 and perform secondary filtration on the sewage, and finally the sewage with double filtration is drained into the drainage tank 10, at the moment, the sterilized water is led into the drainage tank 10 through the water inlet pipe 80 and mixed with the filtered sewage in the drainage tank 10, the sterilized sewage is sterilized, and the sterilized water is drained through the water outlet pipe 90, so that the sewage treatment is completed.

Referring to fig. 1 and 2, the drain assembly 30 includes a drain pipe 31 and a sewage pump 32, and the drain pipe 31 is horizontally disposed and arranged in an S-shape in the storage tank 20 such that the length of the drain pipe 31 in the storage tank 20 is long. The side wall of the drain pipe 31 is fixedly provided with an inserting block 313, the inserting block 313 is a T-shaped block, the side wall of the storage frame 21 is provided with an inserting groove 211 along the vertical direction, the inserting groove 211 is a T-shaped groove matched with the inserting block 313, the top end of the inserting groove 211 penetrates through the top wall of the storage frame 21, the inserting block 313 is aligned with the inserting groove 211, the inserting block 313 is inserted into the inserting groove 211 through the top opening of the inserting groove 211, the inserting block 313 moves downwards in the inserting groove 211 until the drain pipe 31 moves to be abutted with the bottom wall of the storage plate 22, and the installation of the drain pipe 31 in the storage box 20 is realized. Meanwhile, the drain pipe 31 has an extrusion effect on the storage plate 22, and the inner wall of the slot 211 is abutted against the side wall of the insert block 313, so that the insert block 313 cannot deflect in the slot 211, namely, the drain pipe 31 is always in a horizontal state, so that the extrusion storage plate 22 is also in a horizontal state, and the pushing spring 23 is in a contracted state at the moment, so that the storage box 20 is a complete concave box body.

Referring to fig. 2 and 3, after a lot of impurities and sewage remain in the storage box 20, in order to clean the storage box 20, the drain pipe 31 is lifted up first, the insert 313 is pulled out of the slot 211, disassembly of the drain pipe 31 is achieved, and in the process of moving up the drain pipe 31, the storage plate 22 loses downward extrusion force, and rotates about the rotation shaft 221 under the action of the elastic force of the pushing spring 23, so that one end of the storage plate 22, which is close to the rotation block 41, is turned down and separated from the storage frame 21, and the other end of the storage plate 22 moves up, so that the storage plate 22 is in an inclined state at this time, and impurities and sewage accumulated in the storage box 20 and failing to enter the drain pipe 31 can move along the storage plate 22 and flow into the accommodating space 11 from a gap between the storage plate 22 and the storage frame 21, namely, is located in the filter assembly 40, so that sewage is filtered.

Referring to fig. 3 and 4, a plurality of filtering holes 311 are formed in the sidewall of the drain pipe 31, a filtering net 312 is disposed in the filtering holes 311, and a circumferential sidewall of the filtering net 312 is adhered to and fixed to an inner wall of the filtering holes 311. The sewage pump 32 is fixed on the inner wall of one side of the storage frame 21 close to the accommodating space 11, the water inlet end of the sewage pump 32 is communicated with one end opening of the drain pipe 31 close to the accommodating space 11, a connecting pipe 33 is communicated with the water outlet pipe of the sewage pump 32, the connecting pipe 33 penetrates through the storage frame on one side close to the accommodating space 11 and is communicated with the sewage area, and the sewage pump 32 is used for pumping water in the drain pipe 31 out of the drain pipe 31.

During operation, firstly, sewage is poured into the storage box 20, water enters the drain pipe 31 through the filter screen 312, the filter screen 312 blocks impurities with the diameter larger than the upper aperture of the filter screen 312 in the sewage outside the drain pipe 31, namely, the impurities are stored in the storage box 20, rough first filtration of the impurities in the sewage is realized, and storage of the impurities is also completed. Next, the sewage pump 32 is activated to pump the sewage having less impurities in the drain pipe 31 into the accommodating space 11 through the connection pipe 33 and drop on the filter assembly 40, thereby performing the second filtering of the sewage.

Referring to fig. 1, impurities in filtered sewage are left in the storage tank 20 and the filter assembly 40, the storage tank 20 is of a concave tank structure, the impurities are not easy to enter the drainage tank 10 from the storage tank 20 to be mixed with the sterilized water, the filter assembly 40 covers the whole accommodating space 11, and a channel for communicating the filter assembly 40 with the sterilized water in the drainage tank 10 only passes through the filter assembly 40, but the impurities are blocked by the filter assembly 40, i.e. the filtered impurities do not enter the drainage tank 10, so that the effect of impurities on the sterilization effect of the sterilized water is avoided, and the treatment effect of the sterilized water on the sewage is effectively ensured.

Referring to fig. 2 and 3, the filter assembly 40 includes a rotation block 41, a rotation rod 42, and a filter frame 43, the rotation block 41 is disposed in the accommodating space 11 along the width direction of the drain tank 10, an end portion of the rotation block 41 is abutted against an inner wall of the drain tank 10, a cross section of the end portion of the rotation block 41 is a sector with a central angle of 90 °, and an arc surface of the rotation block 41 is always abutted against a side of the storage frame 21 close to the accommodating space 11. The turning lever 42 is disposed in the accommodating space 11 along the width direction of the drain tank 10, the end portion of the turning lever 42 is rotatably connected to the inner wall of the drain tank 10, a motor 421 is fixed to the outer wall of the drain tank 10 by a bolt, and an output end of the motor 421 passes through the drain tank 10 and is coaxially fixed to one end of the turning lever 42 for driving the turning lever 42 to rotate, the turning lever 42 is coaxial with a center of a circle of the turning block 41, and the turning lever 42 is fixedly connected to the turning block 41, that is, the turning block 41 can rotate with a central axis of the turning lever 42 as an axis.

Referring to fig. 2 and 5, the filter frame 43 is disposed in the receiving space 11 along the width direction of the drain tank 10, and the filter frame 43 includes a vertical filter plate 432 and a circular arc filter plate 433, and the vertical filter plate 432 and the circular arc filter plate 433 are long plates provided with a plurality of holes. Specifically, the vertical filter plates 432 are vertically arranged and are distributed along the width direction of the drainage tank 10, the circular arc filter plates 433 are quarter circular arc surfaces which are distributed by taking the rotating rods 42 as circular spindles, the vertical filter plates 432 are also distributed along the width direction of the drainage tank 10, and the bottom ends of the vertical filter plates 432 are fixedly connected with the bottom of the circular arc filter plates 433, so that the section of the end part of the filter frame 43 is also in a fan shape.

The end walls of the vertical filter plate 432 and the circular arc filter plate 433 are all abutted with the inner wall of the drainage tank 10, so that the two filter plates are matched with the inner wall of the drainage tank 10 to form a fan-shaped frame structure with an open top, the circle center of the filter frame 43 is coaxial with the rotating rod 42, in an initial state, one side radius edge of the rotating block 41 is abutted with the vertical filter plate 432, the other side radius edge of the rotating block 41 is flush with the top wall of the filter frame 43, and the open end of one end of the connecting pipe 33, which is far away from the drainage pipe 31, is located above the rotating block 41.

Referring to fig. 2 and 5, it can be understood that one side of the arc-shaped filter plate away from the rotating block 41 abuts against the inner wall of the drain tank 10, so that the rotating block 41 is matched with the filter frame 43, and occupies the space between the outer wall of the storage tank 20 and the inner wall of the drain tank 10, thereby dividing the accommodating space 11 into a sewage area above and a water purifying area below, the specific sewage area is located above the rotating block 41 and the filter frame 43, and the water purifying area is located below the rotating block 41 and the filter frame 43.

When the sewage pump 32 discharges the sewage in the drain pipe 31 from an end opening of the drain pipe 31, the sewage enters the sewage area and falls onto the rotating block 41 and into the fan-shaped frame body composed of the vertical filter plate 432 and the circular arc filter plate 433. Wherein the sewage in the filter frame 43, impurities in the sewage are blocked in the filter frame 43 by the filter frame 43, and water passes through the filter frame 43 into the purified water zone.

Referring to fig. 2 and 5, simultaneously, the motor 421 is started, the rotating rod 42 is driven to drive the rotating block 41 to turn upwards, so that the rotating block 41 is separated from the outer wall of the filtering frame 43, and simultaneously, the side wall of the rotating block 41, which is flush with the top wall of the filtering frame 43, is rotated to be in a vertical state, namely, sewage is pushed into the filtering frame 43, the sewage is pushed to flow, the speed of the sewage entering the drainage tank 10 through the filtering frame 43 is increased, and the working efficiency is improved.

The lateral wall that this in-process dwang 41 kept away from dwang 42 is always with the lateral wall butt of depositing case 20, and sewage is difficult for leaking to drainage tank 10 from between dwang 41 and the lateral wall of depositing case 20 for carry out the secondary through filter frame 43 again after drainage assembly 30 filters for the first time, guarantee filterable thoroughness, make the disinfection effect of disinfection water be difficult for receiving impurity influence, thereby guaranteed sewage treatment effect.

Referring to fig. 2 and 5, a water blocking cover 60 is provided in the accommodating space 11, the water blocking cover 60 is positioned above the filter frame 43 and is an arc-shaped plate, and the center axis of the water blocking cover 60 is coaxial with the rotating rod 42.

After the sewage is discharged into the accommodating space 11 from one end opening of the drain pipe 31, the water retaining cover 60 plays a role in blocking, so that the sewage is not easy to splash to one side of the water retaining cover 60 away from the filter frame 43, namely, the sewage is limited between the filter frame 43 and the water retaining cover 60, meanwhile, the inner wall of the water retaining cover 60 plays a role in guiding, when the sewage falls on the inner wall of the water retaining cover 60, the sewage can drop into the filter frame 43 along the track of the inner wall of the water retaining cover 60, thereby realizing drainage, increasing the stability of the sewage above the rotating block 41 in the filter frame 43 by upwards overturning the rotating block 41.

Referring to fig. 2 and 5, in order to allow sewage in the filter frame 43 to flow into the drain tank 10 through the filter frame 43 more quickly, an arc-shaped connection rod 411 is fixed to the rotation block 41, and a center of the connection rod 411 is located on a central axis of the rotation rod 42. The rotation rod 42 is sleeved with a squeeze plate 50, and the squeeze plate 50 is flush with one horizontal side of the rotation block 41 and is arranged along the length direction of the drainage tank 10. The connecting rod 411 is inserted through the extruding plate 50, that is, the extruding plate 50 can move on the connecting rod 411 by taking the central axis of the rotating rod 42 as the axis, the rotating rod 42 is further sleeved with a torsion spring 51, one end of the torsion spring 51 is fixed with the rotating rod 42, and the other end of the torsion spring 51 is fixed with the extruding plate 50, so as to push the extruding plate 50 in a direction approaching to the filter frame 43, that is, at the end of the connecting rod 411.

When the rotating block 41 is turned upwards, the connecting rod 411 and the extruding plate 50 are driven to move downwards simultaneously until the rotating block 41 rotates by 90 degrees, the extruding plate 50 is abutted against impurities in the filtering frame 43 and pushes the impurities against the inner wall of the filtering frame 43, and due to the limitation of the impurities, a gap exists between the extruding plate 50 and the inner wall of the filtering frame 43, so that the torsion spring 51 deforms at the moment, the torsion spring 51 always applies the pushing force of the extruding plate 50 towards the direction close to the filtering frame 43, so that sewage in the impurities is conveniently extruded out, the speed of the sewage passing through the filtering frame 43 is improved, and the working efficiency is improved.

Referring to fig. 2 and 5, after excessive impurities are stacked in the filter frame 43, in order to prevent the impurities from blocking the pores of the filter frame 43, mounting blocks 431 are fixed to the side walls of the filter frame 43, the mounting blocks 431 are arranged in the width direction of the drain tank 10, the end surfaces of the mounting blocks 431 are T-shaped, mounting grooves 12 are formed in the inner walls of the drain tank 10 in the horizontal direction, the mounting grooves 12 are T-shaped grooves matched with the mounting blocks 431, and the mounting blocks 431 can be inserted into the mounting grooves 12 and move in the mounting grooves 12. The side wall of the drainage tank 10 is penetrated and provided with a mounting hole 13, the mounting hole 13 is arranged opposite to the motor 421, one end of the mounting groove 12 penetrates through the drainage tank 10 and is communicated with the mounting hole 13, and the inner wall of the mounting hole 13 is hinged with a cover plate 70 for sealing the mounting hole 13.

After the excessive impurity is piled up in the filter frame 43, the impurity easily blocks the hole on the filter frame 43, and at this time, the cover plate 70 is rotated in a direction away from the drain tank 10, so that the mounting hole 13 is in an open state, and then one end of the filter frame 43 is pulled out of the drain tank 10 through the mounting hole 13, so that the filter frame 43 is detached, and the filter frame 43 is cleaned conveniently. After the filter frame 43 is cleaned, the filter frame 43 is inserted into the mounting hole 13, the mounting block 431 is aligned with the mounting groove 12, one end of the mounting groove 12 is inserted into the mounting groove 12, then the mounting block 431 moves in the mounting groove 12 along the length direction of the mounting groove 12 until the filter frame 43 is completely placed in the drainage box 10, the filter frame 43 is mounted in the drainage box 10, then the cover plate 70 moves towards the direction close to the drainage box 10, the mounting hole 13 is plugged again, and sewage treatment is facilitated.

The implementation principle of the municipal sewage drainage device provided by the embodiment of the application is as follows: during operation, firstly, sewage is poured into the storage box 20, the sewage enters the drainage assembly 30 in the storage box 20, the drainage assembly 30 performs primary filtration on the sewage in the process, impurities with larger particles in the sewage are blocked in the storage box 20, the sewage filtered by the drainage assembly 30 is conveyed into the accommodating space 11 through the drainage assembly 30 and is positioned in the filter assembly 40, then the filter assembly 40 performs secondary filtration on the sewage, the residual impurities in the sewage are blocked in the filter assembly 40, and finally the sewage after the secondary filtration can be smoothly discharged into the drainage box 10 through the filter assembly 40. At this time, the sterilized water is introduced into the drainage tank 10 through the water inlet pipe 80 and is mixed with the filtered sewage in the drainage tank 10, the sewage is sterilized, and the sterilized water is discharged through the water outlet pipe 90, so that the sewage is treated.

The impurities in the filtered sewage are left in the storage box 20 and the filtering component 40, the storage box 20 is of a concave box structure, the impurities are not easy to enter the drainage box 10 from the storage box 20 to be mixed with the sterilized water, the filtering component 40 covers the whole accommodating space 11, the filtering component 40 is communicated with the sterilized water in the drainage box 10, and the impurities are blocked by the filtering component 40, namely, the filtered impurities do not enter the drainage box 10, so that the effect of the impurities on the sterilization effect of the sterilized water is avoided, and the treatment effect of the sterilized water on sewage is effectively ensured.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. A municipal wastewater drainage device for discharging wastewater, comprising:

the water draining device comprises a water draining box (10), wherein the top of the water draining box (10) is of an opening structure, a water inlet pipe (80) for introducing sterilizing water into the water draining box (10) is communicated with the side wall of the water draining box (10), and a water outlet pipe (90) is communicated with the side wall of the water draining box (10);

the storage box (20) is horizontally arranged in the drainage box (10) and is provided with an opening at the top, the side wall in the length direction of the storage box (20) is attached to the inner wall in the length direction of the drainage box (10), one end side wall in the width direction of the storage box (20) is attached to the inner wall in one end in the width direction of the drainage box (10), and an accommodating space (11) is formed between the other end side wall in the width direction of the storage box (20) and the other end side wall in the width direction of the drainage box (10);

a drainage assembly (30) arranged in the storage box (20) and used for filtering sewage in the storage box (20) and draining the filtered sewage out of the storage box (20);

and the filter assembly (40) is arranged in the accommodating space (11) and divides the accommodating space (11) into a sewage area above and a water purifying area below, and the filter assembly (40) is used for receiving filtered sewage discharged from the drainage assembly (30) and filtering the filtered sewage.

2. The municipal sewage drain according to claim 1, wherein the drain assembly (30) comprises:

the drain pipe (31) is arranged in the storage box (20), one end of the drain pipe (31) is opened and communicated with the filter assembly (40), a plurality of through filter holes (311) are formed in the side wall of the drain pipe (31), a filter screen (312) is arranged in the filter holes (311), and the circumferential side wall of the filter screen (312) is adhered and fixed with the inner wall of the filter hole (311);

the connecting pipe (33) is arranged in a penetrating mode, one end of the connecting pipe (33) extends into the sewage area, the other end of the connecting pipe is communicated with the drain pipe (31) through the sewage pump (32), the sewage pump (32) is arranged on the storage box (20), and the sewage pump (32) is used for pumping water in the drain pipe (31) into the filtering component (40).

3. Municipal sewage drainage device according to claim 2, wherein the drainage pipe (31) is arranged horizontally and the drainage pipe (31) is arranged in the storage box (20) in an S-shape.

4. The municipal sewage drainage device according to claim 2, wherein an insert (313) is fixed on the side wall of the drainage pipe (31), an insert groove (211) is formed in the side wall of the storage box (20) along the vertical direction, the top end of the insert groove (211) penetrates through the top end of the side wall of the storage box (20), and the insert (313) is inserted into the insert groove (211) and can move in the insert groove (211).

5. The municipal sewage drain according to claim 2, wherein the filter assembly (40) comprises:

the rotating rod (42) is horizontally arranged, the rotating rod (42) is arranged along the width direction of the drainage tank (10), and the end part of the rotating rod (42) is rotatably connected to the inner side wall of the drainage tank (10);

the filter frame (43) is arranged along the width direction of the drainage box (10), the filter frame (43) comprises a vertical filter plate (432) and an arc filter plate (433), the vertical filter plate (432) is vertically arranged, the end wall of the vertical filter plate (432) is abutted to the inner wall of the drainage box (10), the arc filter plate (433) is a quarter arc surface which takes a rotating rod (42) as a center shaft and is arranged with the vertical filter plate (432) as a radius, the end wall of the arc filter plate (433) is abutted to the inner wall of the drainage box (10), and the bottom end of the arc filter plate (433) is fixedly connected with the bottom end of the vertical filter plate (432);

the utility model provides a drainage tank, including drainage tank (20) and filter frame (43), drainage tank (10) are located in the drainage tank, rotatory piece (41), the width direction of drainage tank (10) is followed to rotatory piece (41), the tip cross-section of rotatory piece (41) is the fan-shaped that the central angle is 90, the central axis of rotatory piece (41) with dwang (42) coaxial, and with dwang (42) fixed connection, one side radius limit and vertical filter (432) butt of rotatory piece (41), rotatory piece (41) rotate, the arc surface of rotatory piece (41) with deposit the lateral wall butt of case (20), rotatory piece (41) are used for promoting sewage extremely in filter frame (43).

6. The municipal sewage drainage device according to claim 5, wherein a water blocking cover (60) is arranged above the filtering frame (43), the water blocking cover (60) is fixedly connected with the inner wall of the drainage tank (10), and the water blocking cover (60) is used for guiding sewage into the filtering frame (43).

7. The municipal sewage drainage device according to claim 5, wherein the rotating block (41) is connected with a squeezing plate (50) through a connecting rod (411), the squeezing plate (50) is perpendicular to the rotating rod (42), one end of the squeezing plate (50) is rotatably connected to the rotating rod (42), and the rotating block (41) rotatably drives the squeezing plate (50) to abut against the inner wall of the filter frame (43).

8. The municipal sewage drainage device according to claim 7, wherein the squeezing plate (50) can move on the connecting rod (411) towards a direction approaching or separating from the rotating block (41), a torsion spring (51) is sleeved on the rotating rod (42), one end of the torsion spring (51) is fixed with the rotating rod (42), and the other end of the torsion spring is fixed with the squeezing plate (50) and is used for pushing the squeezing plate (50) towards a direction separating from the rotating block (41).

9. The municipal sewage drainage device according to claim 5, wherein a mounting block (431) is fixed on the side wall of the filtering frame (43), a mounting groove (12) is formed in the inner wall of the drainage box (10) along the horizontal direction, the mounting block (431) is inserted into the mounting groove (12) and can move in the mounting groove (12), a mounting hole (13) for the filtering frame (43) to pass through is formed in the side wall of the drainage box (10), one end of the mounting groove (12) is communicated with the mounting hole (13), and a cover plate (70) for sealing the mounting hole (13) is hinged on the inner wall of the mounting hole (13).

10. The municipal sewage drain according to claim 4, wherein the storage tank (20) comprises:

the storage frame (21) is vertically penetrated, the outer wall of the storage frame (21) is fixedly attached to the inner wall of the drainage box (10), the accommodating space (11) is positioned between one side of the storage frame (21) in the length direction and the inner wall of the drainage box (10), and the slot (211) and the sewage pump (32) are both arranged on the inner wall of the storage frame (21);

a storage plate (22) positioned at the bottom of the storage frame (21), wherein the storage plate (22) is rotatably connected to the inner wall of the drainage tank (10) through a rotating shaft (221);

the pushing spring (23) is arranged between the bottom wall of the storage plate (22) and the inner side wall of the drainage box (10), one end of the pushing spring (23) is fixed with the inner wall of the drainage box (10), and the other side of the pushing spring is fixed with the bottom wall of the storage plate (22) and used for downwards overturning one end, close to the filtering assembly (40), of the storage plate (22) by taking the rotating shaft (221) as an axial direction.