CN109464843B

CN109464843B - Automatic sewage treatment device for sewage treatment

Info

Publication number: CN109464843B
Application number: CN201811352633.3A
Authority: CN
Inventors: 谢长山
Original assignee: Yiwu Danhang Technology Co Ltd
Current assignee: Hunan Weichang Environmental Governance Co.,Ltd.
Priority date: 2018-11-14
Filing date: 2018-11-14
Publication date: 2021-06-15
Anticipated expiration: 2038-11-14
Also published as: CN109464843A

Abstract

The invention relates to the technical field of sewage treatment, in particular to an automatic sewage treatment device for sewage treatment. The slag removing device comprises a slag removing device main body, wherein a slag removing plate placing cavity is arranged at the upper end of the slag removing device main body, and a slag removing baffle is arranged in the slag removing plate placing cavity; a first filter residue collecting cavity, a slag-removing sewage collecting cavity and a second filter residue collecting cavity which are arranged in parallel are arranged below the slag removing plate placing cavity; a filtering equipment main body is arranged on one side of the deslagging equipment main body, a filter screen is arranged in the center of the interior of the filtering equipment main body, and the filtering equipment main body is divided into a first filtering cavity and a second filtering cavity by the filter screen; the center positions of the bottom ends of the first filtering cavity and the second filtering cavity are respectively provided with a first water outlet and a second water outlet; and a first sewage draining port and a second sewage draining port are arranged on the side surface of the outer wall of the filtering equipment main body, which is opposite to the side surface where the first water draining port and the second water draining port are arranged. This device has realized the automatic slagging-off and filtration treatment to sewage, and this device can continuously run, has promoted the treatment effeciency of sewage.

Description

Automatic sewage treatment device for sewage treatment

Technical Field

The invention relates to the technical field of sewage treatment, in particular to an automatic sewage treatment device for sewage treatment.

Background

Sewage treatment has been a problem in the world development, and various apparatuses, systems and methods have been devised for treating sewage. Many sewage treatment apparatuses have been invented for sewage treatment. However, the conventional sewage treatment equipment is generally low in automation degree, the filter residue is generally treated manually in the processes of removing the slag and filtering the sewage, a large amount of human resources are consumed, and the equipment is often required to be stopped to replace the filter screen and treat the filter residue after being used for a period of time in the common sewage treatment, so that the sewage treatment efficiency is very low.

Disclosure of Invention

It is an object of the present invention to provide an automated wastewater treatment plant for wastewater treatment which overcomes some or all of the disadvantages of the prior art.

The automatic sewage treatment device for sewage treatment comprises a deslagging device main body, wherein a deslagging plate placing cavity is arranged at the upper end of the deslagging device main body, a deslagging cavity water inlet is formed above the deslagging plate placing cavity, a deslagging baffle is arranged in the deslagging plate placing cavity, a deslagging baffle first cavity and a deslagging baffle second cavity which are the same in size are formed in the deslagging baffle, and a deslagging baffle gear is arranged on one side of the deslagging baffle; a first filter residue collecting cavity, a slag-removing sewage collecting cavity and a second filter residue collecting cavity which are arranged in parallel are arranged below the slag removing plate placing cavity; a first filter residue placing plate with one side hinged with the first filter residue collecting cavity is arranged at the top end of the first filter residue collecting cavity, and a first electric push rod with the bottom end fixed on the side wall of the first filter residue collecting cavity is arranged below the first filter residue placing plate; the top end of the slag removal sewage collecting cavity is provided with a slag removal filter screen, the bottom end of the slag removal sewage collecting cavity is provided with a submersible sewage pump, and the side wall of the slag removal sewage collecting cavity is provided with a third through hole; a second filter residue placing plate with one side hinged with the second filter residue collecting cavity is arranged at the top end of the second filter residue collecting cavity, and a second electric push rod with the bottom end fixed on the side wall of the second filter residue collecting cavity is arranged below the second filter residue placing plate; remove the cinder plate and place the chamber lateral wall and be equipped with square through hole, it is equipped with the slagging-off pivot and place the chamber to remove the cinder plate and place chamber one side, the slagging-off pivot is placed the chamber top and is equipped with the slagging-off pivot and places the chamber apron, the slagging-off pivot is placed and is equipped with first through-hole on the chamber apron, the slagging-off pivot is placed the chamber bottom and is equipped with the second through-hole relative with first through-hole, be equipped with the slagging-off chamber pivot between first through-hole and the second through-hole, be equipped with the slagging-off pivot gear in the slagging-off pivot, the slagging-off baffle gear on the slagging-off baffle passes square through hole and slagging-off chamber pivot gear engagement, slagging-off chamber pivot top is passed the slagging.

A filtering equipment main body is arranged on one side of the deslagging equipment main body, a filter screen is arranged in the center of the interior of the filtering equipment main body, and the filtering equipment main body is divided into a first filtering cavity and a second filtering cavity which are adjacent and have the same size by the filter screen; the outer walls of one sides of the first filter cavity and the second filter cavity are respectively provided with a first water inlet and a second water inlet, a filter cavity water inlet pipe is arranged between the first water inlet and the second water inlet, the filter cavity water inlet pipe passes through a third through hole arranged on the side wall of a slag removal sewage collecting cavity in the slag removal equipment main body and is connected with a submersible sewage pump, and the filter cavity water inlet pipe is provided with a two-position three-way electromagnetic valve capable of controlling the water flow direction in the filter cavity water inlet pipe; the two ends of the filter screen are provided with differential pressure sensors for detecting the water flow pressure at the two ends of the filter screen, and the differential pressure sensors are connected with a circuit for controlling the two-position three-way electromagnetic valve; the center positions of the bottom ends of the first filter cavity and the second filter cavity are respectively provided with a first water outlet and a second water outlet, a filter cavity water drain pipe is arranged between the first water outlet and the second water outlet, and the first water outlet is connected with the second water outlet through the filter cavity water drain pipe; a first sewage draining port and a second sewage draining port are arranged on the side surface of the outer wall of the filtering equipment main body, which is opposite to the side surface where the first water draining port and the second water draining port are arranged, a filtering cavity sewage draining pipe is arranged between the first sewage draining port and the second sewage draining port, and the first sewage draining port and the second sewage draining port are connected through the filtering cavity sewage draining pipe; a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve and a fourth electromagnetic valve are respectively arranged on the first drain outlet, the second drain outlet, the first drain outlet and the second drain outlet; the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve can be controlled by a circuit to open and close the electromagnetic valves.

The device realizes continuous slag removal treatment on sewage through the design of the slag removal baffle and the arrangement of the first filter residue collection cavity, the second filter residue collection cavity and the slag removal sewage collection cavity, solves the problem that common sewage treatment equipment cannot continuously remove slag on sewage, has high automation degree, can automatically complete slag removal and filter residue collection by a system, and reduces the labor intensity of workers; meanwhile, the device solves the problem that the accumulation of filter cakes in the common sewage filtering device needs manual cleaning, thereby realizing the continuous operation of the device, and the operation of the device can be completely controlled by a circuit, thereby reducing the labor intensity of workers. The device has the characteristics of simple structure and convenient maintenance.

Preferably, the bottom end of the deslagging baffle is inwards sunken to form a semi-cylindrical first roller mounting cavity, a first roller is arranged in the first roller mounting cavity, the bottom end of the deslagging plate placing cavity is inwards sunken to form a first roller guide rail, and the first roller can slide in the first roller guide rail; the bottom of slagging-off baffle first cavity one side inwards caves in and forms first brush installation cavity, and the one side low end of slagging-off baffle second cavity inwards caves in and forms the second brush installation cavity, and the bottom of the first cavity of slagging-off baffle and the common lateral wall of slagging-off baffle second cavity inwards caves in and forms the soft board installation cavity.

Through installing first gyro wheel on the baffle that removes gred, reduced the friction that the baffle that removes gred placed the chamber with the slagging-off board when moving, through install the brush in first brush installation cavity and second brush installation cavity, can reduce the friction that the baffle bottom of removing gred places the board with the filter screen that removes gred, first filter residue and the board is placed to the second filter residue, promoted the life of slagging-off filter screen and the baffle that removes gred. The soft board installation cavity that is equipped with on the slagging-off baffle can install the rubber slab, has reduced the bottom of slagging-off baffle and has placed the friction in chamber with the slagging-off board, also can prevent the inflow of sewage when carrying out the collection of filter residue simultaneously. The first brush installation cavity, the second brush installation cavity and the soft board installation cavity are arranged, so that the replacement of parts such as the brush and the soft board is facilitated, and the maintenance of the device is facilitated.

Preferably, the first filter residue placing plate and the second filter residue placing plate are respectively provided with a first hose and a second hose, the first hose and the second hose are connected with the slag and sewage collecting cavity, and a submersible sewage pump protection net is arranged around the submersible sewage pump.

Through install the hose additional in this equipment, can be so that remaining sewage flows out from the hose on the slagging-off baffle for sewage content in the filter residue reduces, has reduced the degree of difficulty that the staff handled the filter residue, has reduced staff's intensity of labour. The submersible sewage pump protection net can prevent impurities contained in sewage from entering the submersible sewage pump to damage the submersible sewage pump.

Preferably, a first side door and a second side door are arranged on the side walls of the first residue collecting cavity and the second residue collecting cavity respectively.

Through setting up first side door and second side door, can make things convenient for taking out of filter residue, reduce staff's intensity of labour.

Preferably, bearings are arranged in the first through hole and the second through hole, and the upper end and the lower end of the rotating shaft respectively penetrate through inner rings of the bearings.

Set up the bearing in first through-hole and second through-hole, can reduce the frictional force of pivot when rotating, promoted the life of pivot, promoted the stability of device, reduced the emergence of device trouble.

Preferably, the inner wall of the middle of the filtering equipment main body is inwards sunken to form a filtering screen notch, the filtering screen is placed in the filtering screen notch, four semicircular second roller mounting cavities are arranged at four edge corners on the filtering screen, a short shaft is arranged in each second roller mounting cavity, a second roller is arranged on the circumferential surface of the short shaft, and the short shaft penetrates through the second roller and can rotate along the circumferential direction of the short shaft; the middle part of the notch of the filter screen is inwards sunken to form a second roller guide rail, and the top end of the filter screen is provided with a handle.

In the device operation in-process, when the filter screen goes wrong or when ageing, just need maintain or change the filter screen, staff can control two three way solenoid valve in the filter chamber inlet tube this moment, make rivers in the filter chamber inlet tube can not flow into filter equipment, sewage filters the back when the device, at this moment, take out the filter screen, the handle that is equipped with on the filter screen has made things convenient for people to take out the filter screen, the second gyro wheel that is equipped with on the filter screen has reduced the frictional force of filter screen with the filter screen notch, make the staff can take out the filter screen more easily, the filter screen notch also makes the more stable placing of filter screen in the filter equipment main part.

Preferably, the first filter cavity and the second filter cavity are provided with cover plates, the cover plates are provided with cover plate through holes, filter cavity rotating shafts with gears at the bottom ends are arranged in the cover plate through holes, filter cavity rotating shaft notches are formed in the upper ends of the filter cavity rotating shafts, the filter cavity rotating shaft notches penetrate through the cover plate through holes and are riveted with filter cavity rotating shaft gears, and the filter cavity rotating shaft gears are connected with a second motor placed on the cover plates; a cleaning device fixing frame is arranged on one side of the bottom end of the filter cavity rotating shaft, and a gear at the bottom end of the filter cavity rotating shaft is connected with a gear on the cleaning device fixing frame; a first water inlet of a cleaning device is arranged on the side wall of the first filter cavity and the second filter cavity in a filtering manner, a second water inlet of the cleaning device is arranged on a fixing frame of the cleaning device, the first water inlet of the cleaning device and the second water inlet of the cleaning device are connected through a water pipe, and one end of the water pipe penetrates through the first water inlet of the cleaning device and is connected with an external water source; fixing rods are further arranged in the first filtering cavity and the second filtering cavity, and a circular hole guide rail matched with the fixing rods is arranged on the cleaning device fixing frame; the cleaning device fixing frame is provided with a cleaning hole.

At the clean in-process of sewage, the phenomenon that is difficult to clear away may appear in the filter cake on the filter screen, can use the belt cleaning device who establishes on the apron to wash the filter screen this moment, and the second motor on the apron is in operating condition this moment, and the fixed frame of washing that the second motor drove removes in one side of filter screen, and at this moment, outside water source will get into from the first water inlet of belt cleaning device, through the final washing hole blowout of following of belt cleaning device second water inlet, finally realizes the washing to the filter screen. The fixing rods in the first filter chamber and the second filter chamber can ensure that the cleaning and fixing frame is more firmly fixed in the main body of the sedimentation device. Through install belt cleaning device additional in filter equipment, can prevent to adhere to the corruption of remaining filter cake to the filter screen on the filter screen, promote the life of filter screen, also promote filter equipment's stability, reduce filter equipment's trouble and take place.

Preferably, the upper ends of the first drainage port and the second drainage port are respectively provided with a first drainage port filter screen and a second drainage port filter screen.

A small amount of filter cakes can remain in the sedimentation cavity when the filter screen is cleaned, and a water outlet filter screen is additionally arranged above the water outlet, so that the filter cakes in the filter cavity are prevented from flowing out of the water outlet.

Preferably, the method comprises the following steps: and a cover plate mounting step is arranged on the inner wall of the top end of the main body of the filtering device.

The parts in the main body of the sedimentation device can break down, and the top end of the main body of the filter device is provided with the cover plate installation step, so that the installation of the cover plate is facilitated, and the maintenance of the parts in the main body of the filter device is also facilitated.

Preferably, the method comprises the following steps: the first sewage draining port and the second sewage draining port are respectively arranged at the bottom ends of one sides of the first filter chamber and the second filter chamber.

The sewage draining outlet is arranged at the bottom end of one side of the sedimentation cavity, so that filter cakes are convenient to discharge from the sedimentation cavity when the filter screen is cleaned.

Due to the adoption of the technical scheme, the invention has the remarkable technical effects that: the device realizes continuous slag removal treatment on sewage through the design of the slag removal baffle and the arrangement of the first filter residue collection cavity, the second filter residue collection cavity and the slag removal sewage collection cavity, solves the problem that common sewage treatment equipment cannot continuously remove slag on sewage, has high automation degree, can automatically complete slag removal and filter residue collection by a system, and reduces the labor intensity of workers; meanwhile, the device solves the problem that the accumulation of filter cakes in the common sewage filtering device needs manual cleaning, thereby realizing the continuous operation of the device, combining the slag removal treatment and the filtering treatment in the sewage treatment, and realizing the effective treatment of the sewage.

Drawings

FIG. 1 is a sectional view of a sewage treatment apparatus in example 1;

FIG. 2 is a sectional view of the sewage slag removing apparatus main body in embodiment 1;

FIG. 3 is a schematic view showing the structure of a slag removing shutter in embodiment 1;

FIG. 4 is a schematic structural view of a sewage slag removal apparatus main body according to embodiment 1;

FIG. 5 is a sectional view of the main body of the slag removing apparatus of embodiment 1;

FIG. 6 is a sectional view of the rotating shaft in embodiment 1;

FIG. 7 is a sectional view of a cover plate 160a of a slag removing rotary shaft placing chamber in embodiment 1;

FIG. 8 is a sectional view of the filter device body in example 1;

FIG. 9 is a front view of the main body of the filter device of example 1;

FIG. 10 is a schematic view showing the structure of a filter device main body according to example 1;

FIG. 11 is a schematic structural view of a cleaning rotor shaft according to embodiment 1;

FIG. 12 is a schematic structural view of the cleaning rotary shaft gear in embodiment 1;

FIG. 13 is a schematic view showing the structure of a cover plate in embodiment 1;

FIG. 14 is a schematic view showing the structure of a holder of the cleaning apparatus according to embodiment 1;

FIG. 15 is a sectional view of a filter net in embodiment 1;

FIG. 16 is a sectional view of a filter net in embodiment 1;

FIG. 17 is a sectional view of the main body of the precipitation device in example 1;

FIG. 18 is a schematic view showing the internal structure of a precipitation apparatus in example 1;

FIG. 19 is a schematic structural view of a mud-removing plate and a sewage plate in example 1;

FIG. 20 is a sectional view of a second sewage treatment apparatus according to embodiment 1;

FIG. 21 is a schematic structural view of a long pole in example 1;

FIG. 22 is a schematic view showing the construction of a rotating shaft, a long shaft and a mud-cleaning board in example 1;

FIG. 23 is a schematic view showing the structure of a rotating shaft of a precipitation chamber in example 1;

FIG. 24 is a schematic view showing the structure of a long pole fixing member in accordance with example 1;

fig. 25 is a schematic structural view of a gear on a rotating shaft in embodiment 1.

The parts indicated by the figures in the drawings are as follows: 100-deslagging equipment main body; 120-a first residue collection chamber; 120 a-a first residue placing plate; 120 b-a first electric push rod; 120c — first side door; 120d — first hose; 130-slag removal sewage collection cavity; 130 a-deslagging filter screen; 130b — a third via; 130 c-submersible sewage pump; 130c 1-submersible sewage pump protection net; 140-a second residue collection chamber; 140 a-a second residue placing plate; 140 b-a second electric push rod; 140c — second side door; 140d — second hose; 150-slag removal plate placement cavity; 150 a-square through hole; 150 b-a deslagging plate placing cavity cover plate; 150b 1-water inlet of deslagging chamber; 150c — a first roller track; 160-deslagging rotating shaft placing cavity; 160a1 — first via; 160a2 — second via; 160b — a first motor; 170-deslagging baffle; 170 a-deslagging baffle first cavity; 170 b-deslagging baffle second cavity; 170 c-deslagging baffle gear; 170a1 — first brush mounting cavity; 170b 1-second brush mounting cavity; 170c1 — flexible board mounting cavity; 170d — first roller mounting cavity; 170d1 — first roller; 180-slag removal cavity rotating shaft; 180 a-a slag removal cavity rotating shaft wheel disc; 180 b-a slag removal cavity rotating shaft gear; 110-a water inlet pipe of a filter cavity; 200-a filter device body; 200 a-a filter cavity rotating shaft; 200a 1-filter cavity rotating shaft notch; 200a 2-filter chamber rotating shaft gear; 200a3 — second motor; 200a 4-filter cavity rotating shaft latch; 200 b-a cleaning device fixing frame; 200b1 — round hole guide rail; 200b 2-fixed frame latch; 200 c-a first water inlet of the cleaning device; 200d, a second water inlet of the cleaning device; 200 e-fixing rod; 200 f-cleaning hole; 210-a first filter chamber; 210 a-a first water inlet; 210b — a first drain; 210b1 — first solenoid valve; 210b2 — first drain screen; 210c — a first drain port; 210c1 — third solenoid valve; 220-a filter screen; 220 a-a handle; 220b — a second roller; 220 c-minor axis; 220 d-second roller mounting cavity; 230-a second filter chamber; 230 a-a second water inlet; 230 b-second drain opening; 230b1 — second solenoid valve; 230b2 — second drain opening screen; 230 c-a second sewage draining outlet; 230c1 — fourth solenoid valve; 240-drainage pipe of the filter cavity; 250-two-position three-way electromagnetic valve; 260-a drainage pipe of the filter cavity; 270-notch of filter screen; 270a — a second roller track; 280-mounting steps on the cover plate; 280 a-a cover plate; 280a1 — cover plate through hole; 290 — differential pressure sensor; 300-main body of the precipitation device, 310-water inlet of precipitation cavity, 320-first sewage baffle, 330-side door, 340-second sewage baffle, 350-water outlet of precipitation cavity, 360-water outlet pipe, 370-water pump, 380-cavity for placing sewage discharge plate, 390-sewage discharge plate, 300 a-rotating shaft of precipitation cavity, 300a 1-notch of rotating shaft of precipitation cavity, 300a 2-gear on rotating shaft of precipitation cavity, 300a 3-second latch; 300 b-third motor, 300 c-long rod, 300c 1-first latch, 300 d-long rod fixing piece, 300d 1-fixing piece guide rail, 300d 2-sedimentation chamber rotating shaft fixing hole, 300 e-mud cleaning plate, 300 f-sedimentation chamber rotating shaft through hole, 340 a-baffle through hole, 390 a-sewage outlet, 390 b-sewage discharge long hole.

Detailed Description

For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention and not limiting.

Example 1

As shown in FIGS. 1 to 5: a sewage treatment device with an automatic slag removal function comprises a slag removal device main body 100, wherein a slag removal plate placing cavity 150 is arranged at the upper end of the slag removal device main body 100, a water inlet 150b1 is formed above the slag removal plate placing cavity 150, a slag removal baffle 170 is arranged in the slag removal plate placing cavity 150, a first slag removal baffle cavity 170a and a second slag removal baffle cavity 170b which are the same in size are formed in the slag removal baffle 170, and a slag removal baffle gear 170c is arranged on one side of the slag removal baffle 170; a first residue collecting cavity 120, a residue-removing sewage collecting cavity 130 and a second residue collecting cavity 140 which are arranged in parallel are arranged below the residue removing plate placing cavity 150; a first filter residue placing plate 120a with one side hinged with the first filter residue collecting cavity 120 is arranged at the top end of the first filter residue collecting cavity 120, and a first electric push rod 120b with the bottom end fixed on the side wall of the first filter residue collecting cavity 120 is arranged below the first filter residue placing plate 120 a; the top end of the deslagging sewage collecting cavity 130 is provided with a deslagging filter screen 130a, the bottom end of the deslagging sewage collecting cavity 130 is provided with a submersible sewage pump 130c, and the side wall of the deslagging sewage collecting cavity 130 is provided with a third through hole; a second filter residue placing plate 140a with one side hinged with the second filter residue collecting cavity 140 is arranged at the top end of the second filter residue collecting cavity 140, and a second electric push rod 140b with the bottom end fixed on the side wall of the second filter residue collecting cavity 140 is arranged below the second filter residue placing plate 140 a; a square through hole 150a is formed in the side wall of the slag removing plate placing cavity 150, a slag removing rotating shaft placing cavity 160 is formed in one side of the slag removing plate placing cavity 150, and a slag removing rotating shaft placing cavity cover plate 160a is arranged at the top end of the slag removing rotating shaft placing cavity 160; as shown in fig. 6 and 7: be equipped with first through-hole 160a1 on the chamber apron 160a is placed to the slagging-off pivot, the slagging-off pivot is placed the chamber 160 bottom and is equipped with second through-hole 160a2 relative with first through-hole 160a1, be equipped with slagging-off chamber pivot 180 between first through-hole 160a1 and the second through-hole 160a2, be equipped with slagging-off chamber pivot gear 180b on the slagging-off chamber pivot 180, slagging-off baffle gear 170c on the slagging-off baffle 170 passes square through-hole 150a and meshes with slagging-off pivot gear 180b, slagging-off chamber pivot 180 top is passed the slagging-off pivot and is placed chamber apron 160a and slagging-off chamber pivot 180 top is equipped with slagging-off chamber pivot wheel dish 180a, slagging-off chamber pivot wheel dish 180a is placed the chamber apron 160.

When deslagging equipment moves sewage gets into the slagging-off board from the water inlet and places the chamber, when first cavity 170a is located the top of first filter residue collection chamber 120 and when gathering the inner wall laminating of chamber 120 with first filter residue, second cavity 170b is located slagging-off filter screen 130a directly over this moment, sewage flows into slagging-off sewage collection chamber 130 from slagging-off filter screen 130a, along with the rotation of slagging-off chamber pivot 180, second cavity 170b changes the top of second filter residue collection chamber 140 to, first cavity 170a is located slagging-off filter screen 130a directly over this moment. When the second electric push rod 140b on the second residue collection chamber 140 is operated, the second residue placement plate 140a is gradually tilted downward, the residue falls into the second residue collection chamber 140, and the sewage in the sewage collection chamber can be sucked out by the submersible sewage pump. The apparatus may be operated repeatedly as the second motor 200a3 is operated. The device realizes continuous slag removal treatment on sewage through the design of the slag removal baffle and the arrangement of the first filter residue collection cavity, the second filter residue collection cavity and the slag removal sewage collection cavity, solves the problem that common sewage treatment equipment cannot continuously remove slag on sewage, has high automation degree, can automatically complete slag removal and filter residue collection by a system, and reduces the labor intensity of workers; meanwhile, the device is simple in structure and convenient to maintain.

As shown in fig. 3: the bottom end of the deslagging baffle 170 is recessed inwards to form a semi-cylindrical first roller mounting cavity 170d, a first roller 170d1 is arranged in the first roller mounting cavity 170d, the bottom end of the deslagging plate placing cavity 150 is recessed inwards to form a first roller guide rail 150c, and the first roller 170d1 can slide in the first roller guide rail 150 c; the bottom end of one side of the first cavity 170a of the deslagging baffle is inwards recessed to form a first brush mounting cavity 170a1, the bottom end of one side of the second cavity of the deslagging baffle is inwards recessed to form a second brush mounting cavity 170b1, and the bottom end of the shared side wall of the first cavity 170a of the deslagging baffle and the second cavity 170b of the deslagging baffle is inwards recessed to form a soft board mounting cavity 170c 1.

Through installing first gyro wheel 170d1 on slagging-off baffle 170, reduced slagging-off baffle 170 and slagging-off board and placed the friction of chamber 150 when moving, through install the brush in first brush installation cavity 170a1 and second brush installation cavity 170b1, can reduce slagging-off baffle 170 bottom and slagging-off filter screen 130a, first filter residue and place the friction of board 140a with second filter residue, promoted the life of slagging-off filter screen 130a and slagging-off baffle 170. The soft board mounting cavity 170c1 that is equipped with on the slagging-off baffle 170 can install the rubber slab, has reduced the friction in cavity 150 is placed with the slagging-off board to the bottom of slagging-off baffle 170, also can prevent the inflow of sewage when carrying out the collection of filter residue simultaneously. The first brush installation cavity, the second brush installation cavity and the soft board installation cavity are arranged, so that the replacement of parts such as the brush and the soft board is facilitated, and the maintenance of the device is facilitated.

As shown in fig. 1 and 3: the first residue placing plate 120a and the second residue placing plate 140a are respectively provided with a first hose 120d and a second hose 140d, the first hose 120d and the second hose 140d are connected with the slag-removal sewage collecting chamber 130, and a submersible sewage pump protection net 130c1 is arranged around the submersible sewage pump 130 c.

Through install the hose additional in this equipment, can be so that remaining sewage flows out from the hose on slagging-off baffle 170 for sewage content in the filter residue reduces, and stealthily dirty pump protection mesh 130c1 can prevent that the impurity that contains in the sewage from getting into and damaging stealthily dirty pump 130c in stealthily dirty pump 130 c.

As shown in fig. 4: first side door 120c and second side door 140c are provided on the side walls of first residue collection chamber 120 and second residue collection chamber 140, respectively.

Through setting up first side door 120c and second side door 140c, can make things convenient for taking out of filter residue, reduce staff's intensity of labour.

Bearings are arranged in the first through hole 160a1 and the second through hole 160a2, and the upper end and the lower end of the deslagging cavity rotating shaft 180 respectively penetrate through the inner rings of the bearings.

Set up the bearing in first through-hole 160a1 and second through-hole 160a2, can reduce the frictional force of slagging-off chamber pivot 180 when rotating, promoted the life of slagging-off chamber pivot 180, promoted the stability of device, reduced the emergence of device trouble.

As shown in fig. 5: a deslagging plate placing cavity cover plate 150b is arranged on the deslagging plate placing cavity 150.

Place the chamber top through placing the slagging-off at the slagging-off board and set up the slagging-off and place the chamber apron and made things convenient for the maintenance to relevant staff to equipment.

As shown in FIGS. 8 to 11: an automatic sewage treatment device with a filtering device comprises a filtering device main body 200, wherein a filter screen 220 is arranged in the center of the interior of the filtering device main body 200, and the filter screen 220 divides the filtering device main body 200 into a first filter cavity 210 and a second filter cavity 230 which are adjacent and have the same size; a first water inlet 210a and a second water inlet 230a are respectively arranged on the outer wall of one side of the first filter cavity 210 and the outer wall of one side of the second filter cavity 230, a filter cavity water inlet pipe 110 is arranged between the first water inlet 210a and the second water inlet 230a, the first water inlet 210a and the second water inlet 230a are connected through the filter cavity water inlet pipe 110, the filter cavity water inlet pipe 110 penetrates through a third through hole 130b arranged on the side wall of the slag removal sewage collection cavity 130 in the slag removal device main body 100 and is connected with a submersible sewage pump 130c, and a two-position three-way electromagnetic valve 250 capable of controlling the water flow direction in the filter cavity water inlet pipe 110 is arranged on the filter cavity water inlet pipe; a differential pressure sensor 290 for detecting the water flow pressure at the two ends of the filter screen 220 is arranged at the two ends of the filter screen 220, and the differential pressure sensor 290 is connected with a circuit for controlling the two-position three-way electromagnetic valve 250; the central positions of the bottom ends of the first filter cavity 210 and the second filter cavity 230 are respectively provided with a first water discharge port 210b and a second water discharge port 230b, a filter cavity water discharge pipe 240 is arranged between the first water discharge port 210b and the second water discharge port 230b, and the first water discharge port 210b is connected with the second water discharge port 230b through the filter cavity water discharge pipe 240; a first sewage draining port 210c and a second sewage draining port 230c are arranged on the side surface of the outer wall of the filtering equipment main body 200 opposite to the side surface where the first water draining port 210b and the second water draining port 230b are arranged, a filtering cavity sewage draining pipe 260 is arranged between the first sewage draining port 210c and the second sewage draining port 230c, and the first sewage draining port 210c and the second sewage draining port 230c are connected through the filtering cavity sewage draining pipe 260; the first drain outlet 210b, the second drain outlet 230b, the first drain outlet 210c and the second drain outlet 230c are respectively provided with a first electromagnetic valve 210b1, a second electromagnetic valve 230b1, a third electromagnetic valve 210c1 and a fourth electromagnetic valve 230c 1; the first solenoid valve 210b1, the second solenoid valve 230b1, the third solenoid valve 210c1, and the fourth solenoid valve 230c1 may be controlled by a circuit to open and close the respective solenoid valves.

The sewage flows into the filter cavity inlet pipe 110 after being subjected to the deslagging treatment by the deslagging device, and at this time, the two-position three-way electromagnetic valve 250 in the filter cavity inlet pipe 110 controls the sewage to flow to the first water inlet 210a or the second water inlet 230 a. When sewage flows into the first filter chamber 210 from the first water inlet 210a, the first solenoid valve 210b1 of the first drain port 210b is in a closed state, the second solenoid valve 230b1 of the second drain port 230b is in an open state, and the third solenoid valve 210c1 of the first drain port 210c and the fourth solenoid valve 230c1 of the second drain port 230c are in a closed state. The contaminated water flows from the first filter chamber 210 to the second filter chamber 230 through the filter screen 220, and finally flows from the second drain port 230b to the filter chamber drain pipe 240, and finally is discharged from the filter chamber drain pipe 240. When the filter cake on the filter screen 220 accumulates to a certain amount, and the pressure difference sensor 290 measures that the pressure difference between the two ends of the filter screen reaches a certain value, the control circuit controls the two-position three-way solenoid valve 250 to adjust the flow direction of the sewage in the filter chamber water inlet pipe 110, at the moment, the sewage flows into the second water inlet 230a, the solenoid valves on the first water outlet 210b and the second water outlet 230b are both in a closed state, the third solenoid valve 210c1 on the first drain outlet 210c is opened, and the filter cake on the filter screen 220 falls off under the impact of water flow and flows out of the filter chamber drain pipe 260 through the first drain outlet 210 c. As the filter cake on the filter screen 220 disappears, the value measured by the differential pressure sensor 290 gradually decreases, and when the value decreases to a certain value, the third solenoid valve 210c1 on the first drain port 210c is closed, and the first solenoid valve 210b1 on the first drain port 210b is opened. At this time, the contaminated water is discharged from the first drain port 210b from the second filter chamber 230 through the filtering of the filter screen 220. When the filter cake on the filter screen 220 reaches a certain amount, the two-position three-way solenoid valve 250 will change the flow direction of the sewage again. Through the device, the filter cake on the filter screen 220 can be effectively removed, the problem that the accumulation of the filter cake in the common sewage filtering device needs manual cleaning is solved, the continuous operation of the device is realized, the operation of the device can be completely controlled by a circuit, and the labor intensity of workers is reduced. The device has the characteristics of simple structure and convenient maintenance.

As shown in fig. 15 and 16: the middle inner wall of the filtering device main body 200 is inwards recessed to form a filter screen notch 270, the filter screen 220 is placed in the filter screen notch 270, four semicircular second roller mounting cavities 220d are formed in four edge corners of the filter screen 220, a short shaft 220c is arranged in the second roller mounting cavities 220d, a second roller 220b is arranged on the circumferential surface of the short shaft 220c, the short shaft 220c penetrates through the second roller 220b, and the second roller 220b can rotate along the circumferential direction of the short shaft 220 c; the middle portion of the filter slot 270 is recessed inward to form a second roller rail 270a, and a handle 220a is disposed at the top end of the filter 220.

In the device operation process, when filter screen 220 goes wrong or when ageing, just need maintain or change filter screen 220, the staff can control two three way solenoid valve 250 in the filter chamber inlet tube 110 this moment, make rivers in the filter chamber inlet tube 110 can not flow into filter equipment, after sewage filters in the device, at this moment, take out filter screen 220, the handle 220a that is equipped with on the filter screen 220 has made things convenient for people to take out filter screen 220, the second gyro wheel 220b that is equipped with on the filter screen 220 has reduced the frictional force of filter screen 220 with filter screen notch 270, make the staff can take out filter screen 220 more easily, filter screen notch 270 also makes filter screen 220 more stable placing in filter equipment main part 200.

As shown in FIGS. 9 to 14: a cover plate 280a is arranged on the first filter cavity 210 and the second filter cavity 230, a cover plate through hole 280a1 is arranged on the cover plate, a filter cavity rotating shaft 200a with a gear at the bottom end is arranged in the cover plate through hole 280a1, a filter cavity rotating shaft notch 200a1 is arranged at the upper end of the filter cavity rotating shaft 200a, the filter cavity rotating shaft notch 200a1 is in tenon joint with a filter cavity rotating shaft gear 200a2 through the cover plate through hole, and the filter cavity rotating shaft gear 200a2 is connected with a second motor 200a 3; a cleaning device fixing frame 200b is arranged on one side of the bottom end of the filter cavity rotating shaft 200a, and a filter cavity rotating shaft latch 200a4 at the bottom end of the filter cavity rotating shaft 200a is meshed with a fixing frame latch 200b2 on the cleaning device fixing frame 200 b; a first water inlet 200c of a cleaning device is arranged on the side wall of the first filtering cavity 210 and the second filtering cavity 230 in a filtering manner, a second water inlet 200d of the cleaning device is arranged on the cleaning device fixing frame 200b, the first water inlet 200c of the cleaning device is connected with the second water inlet 200d of the cleaning device through a water pipe, and one end of the water pipe penetrates through the first water inlet 200c of the cleaning device to be connected with an external water source; a fixing rod 200e is also arranged in the first filter cavity 210 and the second filter cavity 230, and a circular hole guide rail 200b1 matched with the fixing rod is arranged on the cleaning device fixing frame 200 b; the cleaning device holder 200b is provided with a cleaning hole 200 f.

In the process of cleaning sewage, a filter cake on the filter screen 220 may be difficult to remove, at this time, the filter screen 220 may be cleaned by using a cleaning device disposed on the cover plate 280, at this time, the second motor 200a3 on the cover plate 280 is in a working state, the cleaning fixing frame 220b driven by the second motor 200a3 moves on one side of the filter screen 220, at this time, an external water source enters from the first water inlet 200c of the cleaning device, and is finally ejected from the cleaning hole 200f through the second water inlet 200d of the cleaning device, and finally, the filter screen 220 is cleaned. The fixing rods 200e in the first and

second filter chambers

210 and 230 may allow the wash fixing frame 200e to be more firmly fixed in the filter device body 200. Through install belt cleaning device additional in filter equipment, can prevent to be attached to remaining filter cake on the filter screen 220 to the corruption of filter screen 220, promote the life of filter screen 220, also promote filter equipment's stability, reduce filter equipment's trouble and take place.

As shown in fig. 10: a cover plate mounting step 280 is provided on the inner wall of the top end of the filter main body 200.

The components inside the filter main body 200 may be out of order, and the cover plate installation step 280 is provided at the top end of the filter main body 200, thereby facilitating the installation of the cover plate 280a and the maintenance of the components inside the filter main body 200.

As shown in fig. 8: the first drain port 210b and the second drain port 230b are provided at upper ends thereof with a first drain port screen 210b2 and a second drain port screen 230b2, respectively.

When the filter screen 220 is cleaned, a small amount of filter cake may remain in the settling chamber, and a drain port filter screen is arranged above the drain port to prevent the filter cake in the filter chamber from flowing out of the drain port.

As shown in fig. 10: the first and second

soil discharge ports

210c and 230c are respectively formed at the bottom ends of one sides of the first and

second filter chambers

210 and 230.

The drain is arranged at the bottom end of one side of the precipitation cavity, so that filter cakes are conveniently discharged from the precipitation cavity when the filter screen 220 is cleaned.

As shown in fig. 1 and 17: an automatic sewage pretreatment device with a precipitation mechanism comprises a precipitation device main body 300 with a cavity structure, wherein a precipitation cavity water inlet 310 is formed in the top end of the precipitation device main body 300, the precipitation device main body 300 is positioned below a filtering device main body 200, and the precipitation cavity water inlet 310 is connected with a filtering cavity water discharge pipe 240 on the filtering device; the bottom end in the main body 300 of the sedimentation device of the main body of the sedimentation chamber is provided with a sewage discharge plate placing chamber 380, a sewage discharge plate 390 attached to the sewage discharge plate placing chamber 380 is arranged in the sewage discharge plate placing chamber 380, a sewage discharge outlet 390a is arranged on the sewage discharge plate 390, a sewage discharge long hole 390b arranged below the sewage discharge outlet 390a is arranged in the sewage discharge plate 390, and the bottom end of the sewage discharge outlet 390a is connected with the sewage discharge long hole 390 b; the tail end of the long sewage draining hole 390b is connected with a sewage draining pipe 360; one side of the main body 300 of the sedimentation device is provided with a sedimentation chamber water outlet 350, and one end of a sewage discharge pipe 360 passes through the sedimentation chamber water outlet 350 and is connected with a water pump 370 which is positioned on the outer shell of the main body 300 of the sedimentation device and is positioned below the sedimentation chamber water outlet 350.

Sewage enters the precipitation device main body 300 from the precipitation cavity water inlet 310, particulate matters contained in the sewage gradually fall on the sewage discharge plate 390 at the bottom end of the precipitation device main body 300 under the action of gravity, when the particulate matters are accumulated on the sewage discharge plate 390 by a certain amount, the water pump 370 starts to operate at the moment, sludge on the sewage discharge plate 390 flows to the sewage discharge long hole 390b through the sewage discharge port 390a, and finally is discharged from the sewage discharge pipe 360. According to the invention, the pollution discharge plate 390 is arranged on the main body 300 of the sedimentation device, so that the particulate matters precipitated in the main body 300 of the sedimentation device can be discharged out of the main body 300 of the sedimentation device in time, and the particulate matters precipitated in the main body 300 of the sedimentation device do not need to be treated manually, so that the sedimentation device can continuously run. The common method for removing the particulate matters from the sedimentation device in the modern technology is to arrange a submersible sewage pump at the bottom end inside the sedimentation device and remove the particulate matters through the submersible sewage pump, the method is easy to ensure that the particulate matters at the bottom end of the sedimentation device are stirred up again, and the problem that the sediment is easy to stir up again can be effectively solved by arranging the sewage discharge plate 390 in the sedimentation device, so that the sediment removal efficiency is improved, and the problem that the common submersible sewage pump is difficult to move so as to be incapable of sufficiently removing the particulate matters deposited in the sedimentation device is solved.

As shown in fig. 18: the right side of precipitation chamber water inlet 310 is equipped with first sewage baffle 320, first sewage baffle 320 with deposit the laminating of device main part 300 and the top of first sewage baffle 320 is fixed on the inside top of deposiing device main part 300, the bottom of first sewage baffle forms first rivers passageway 320a with sediment device main part bottom, the right side of first sewage baffle 320 is equipped with the second sewage baffle 340 of bottom mounting in the inside bottom of sediment device main part 300, the second sewage baffle forms second rivers passageway 340a with the upper end of deposiing the device main part, the bottom and the drain board of second sewage baffle 340 place the chamber 380 adjacent.

By setting up the first sewage baffle 320 and the second sewage baffle 340 in the settling apparatus main body, the flow path of the sewage in the settling apparatus main body becomes long, so that the particulate matter contained in the sewage is more sufficiently settled.

As shown in FIGS. 21 to 25: a sedimentation chamber rotating shaft 300a with gears at two ends is arranged at the top end in the sedimentation device main body 300, the sedimentation chamber rotating shaft 300a is positioned at the midpoint position of the first dirt baffle 320 and the second dirt baffle 340, a sedimentation chamber rotating shaft notch 300a1 is arranged at the top end of the sedimentation chamber rotating shaft 300a, the sedimentation chamber rotating shaft notch 300a1 penetrates through a sedimentation chamber rotating shaft through hole 300f on the sedimentation device main body 300 shell and is in joggle joint with a sedimentation chamber rotating shaft upper gear 300a2, and the sedimentation chamber rotating shaft upper gear 300a2 is connected with a third motor 300b arranged at the top end of the sedimentation device main body 300 shell; the top end in the main body 300 of the precipitation device is also provided with a long rod 300c, the length of 300c of the long rod is half of the distance between the first dirt baffle 320 and the second dirt baffle 340, one side of the long rod 300c is provided with a first latch 300c1, the bottom end of the rotating shaft 300a of the precipitation cavity is provided with a second latch 300a3 engaged with the first latch 300c1, the top end in the main body 300 of the precipitation device is also provided with a long rod fixing member 300d, a fixing member guide rail 300d1 is arranged in the long rod fixing member 300d, the long rod 300c can slide in the fixing member guide rail 300d1, the long rod fixing member 300d is also provided with a rotating shaft fixing hole 300d2 of the precipitation cavity, and the bottom end of the rotating shaft 300a of the precipitation cavity passes through the rotating shaft fixing hole 300d2 of the precipitation cavity and can; two mud cleaning plates 300e are arranged at the bottom end of the long rod 300c, and the bottom ends of the mud cleaning plates 300e are attached to the sewage discharging plate 390.

The sediment on the sewage discharging plate 390 may be hard to be removed by the water pump 370, the sediment chamber rotating shaft 300a is set at the top end of the main body 300 of the sedimentation device, the sediment chamber rotating shaft 300a drives the mud cleaning plate 300e on the long rod 300c to move left and right, the distance between the two mud cleaning plates 300e is half of the distance between the first sewage baffle 320 and the second sewage baffle 340, so that the particle sediment on the sewage discharging plate 390 will be scraped into the sewage outlet 390a by the mud cleaning plate 300e along with the movement of the mud cleaning plate 300 e. Because mud cleaning plate 300e and the laminating of blowdown board 390, the granule deposit on the blowdown board 390 that can make gets rid of more thoroughly, stock mounting 300d can make stock 300c and sedimentation chamber pivot 300a more stable in the operation of sediment device main part 300, can effectually prevent the emergence of sedimentation chamber pivot 300a and stock 300c trouble. The joggle joint of the upper gear 300a2 of the rotating shaft of the sedimentation chamber and the rotating shaft 300a of the sedimentation chamber facilitates the installation and the replacement of the rotating shaft 300a of the sedimentation chamber, thereby facilitating the installation of components such as a long rod 300c and the like and reducing the installation and maintenance difficulty of the sedimentation device. Through the work of mud cleaning plate 300e for the silt in the sediment device is got rid of more thoroughly, also makes long increase in the time of sediment device single operation simultaneously, has reduced sediment device and has maintained the frequency.

As shown in fig. 18 and 19: the bottom end of the settling device body 300 is inclined downward toward the drainage plate 340; the sewage discharge port 390a is in the shape of a circular truncated cone, and the upper diameter of the sewage discharge port 390a is larger than the lower diameter.

The inclined downward structure from the bottom end of the settling device body 300 to the sewage discharge plate 340 can make the particulate matters in the sewage more effectively accumulated on the sewage discharge plate 390; the drain 390a is round platform form and the top diameter of drain 390a is greater than the below diameter, and such structure makes water pump 370 when moving, and the suction of drain 390a is stronger, also makes things convenient for the particulate matter in the sewage to fall into in the drain 390a simultaneously.

As shown in fig. 17 and 20: the bottom end of the second sewage baffle 340 is provided with a baffle through hole 340a, the sewage discharge pipe 360 can pass through the baffle through hole to be connected with the sewage discharge long hole 390b, and one side of the main body 300 of the sedimentation device is provided with a side door 330 hinged with the shell of the main body 300 of the sedimentation device.

The baffle through hole 340a is arranged at the bottom end of the second sewage baffle 340, so that the connection between the sewage discharge pipe 360 and the sewage discharge long hole 390b is facilitated, the side door 330 hinged with the shell of the main body 300 of the sedimentation device is arranged on one side of the main body 300 of the sedimentation device, and the installation and the maintenance of the device are facilitated.

The steps of the sewage pretreatment of the invention are as follows:

step one, sewage enters the deslagging device main body 100 from the water inlet, the sewage passing through the deslagging screen 130a flows into the deslagging sewage collecting cavity 130, and the filter residues are collected in the first filter residue cavity 120 and the second filter residue collecting cavity 140.

In the second step, the sewage in the slag-removed sewage collecting chamber 130 is sucked into the filtering apparatus main body 200 only through the filtering chamber inlet pipe 100 by the submersible sewage pump 130c, and is filtered by the filtering net 220 in the filtering apparatus main body 200.

Step three, the sewage after filtering treatment in the filtering device main body 200 flows out from the filtering cavity drain pipe 240 and enters the settling device main body 300 through the settling cavity water inlet 310, the water flow flows to the bottom end of the settling device main body 300 under the blocking action of the first sewage baffle 320, and particles contained in the sewage fall on the sewage discharge plate 390 at the bottom end of the settling device main body 300 under the action of gravity;

step four, the water flow flows towards the upper end of the interior of the main body 300 of the sedimentation device under the action of the second sewage baffle 340 and finally flows out from one side of the main body 300 of the sedimentation device;

step five, a third motor 300b is arranged on the shell at the top end of the main body 300 of the sedimentation device, under the action of the third motor 300b, the mud cleaning plate 300e on the long rod 300c pushes the particle aggregates on the sewage discharge plate 390 to the sewage discharge port 390a, at the moment, the water pump 370 starts to operate, and under the action of the water pump 370, the particles in the sewage discharge port 390a are discharged out of the main body 300 of the sedimentation device through the sewage discharge pipe 360.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.

Claims

1. The utility model provides an automatic sewage treatment plant for sewage treatment which characterized in that: the slag removing device comprises a slag removing device main body (100), wherein a slag removing plate placing cavity (150) is arranged at the upper end of the slag removing device main body (100), a slag removing cavity water inlet (150b1) is formed above the slag removing plate placing cavity (150), a slag removing baffle (170) is arranged in the slag removing plate placing cavity (150), a first slag removing baffle cavity (170a) and a second slag removing baffle cavity (170b) which are the same in size are formed in the slag removing baffle (170), and a slag removing baffle gear (170c) is arranged on one side of the slag removing baffle (170); a first filter residue collecting cavity (120), a slag-removing sewage collecting cavity (130) and a second filter residue collecting cavity (140) which are arranged in parallel are arranged below the slag removing plate placing cavity (150); a first filter residue placing plate (120a) with one side hinged with the first filter residue collecting cavity (120) is arranged at the top end of the first filter residue collecting cavity (120), and a first electric push rod (120b) with the bottom end fixed on the side wall of the first filter residue collecting cavity (120) is arranged below the first filter residue placing plate (120 a); the top end of the slag removal sewage collecting cavity (130) is provided with a slag removal filter screen (130a), the bottom end of the slag removal sewage collecting cavity (130) is provided with a submersible sewage pump (130c), and the side wall of the slag removal sewage collecting cavity (130) is provided with a third through hole; a second filter residue placing plate (140a) with one side hinged with the second filter residue collecting cavity (140) is arranged at the top end of the second filter residue collecting cavity (140), and a second electric push rod (140b) with the bottom end fixed on the side wall of the second filter residue collecting cavity (140) is arranged below the second filter residue placing plate (140 a); a square through hole (150a) is arranged on the side wall of the slag removing plate placing cavity (150), a slag removing rotating shaft placing cavity (160) is arranged on one side of the slag removing plate placing cavity (150), a slag removing rotating shaft placing cavity cover plate (160a) is arranged at the top end of the slag removing rotating shaft placing cavity (160), a first through hole (160a1) is arranged on the slag removing rotating shaft placing cavity cover plate (160a), a second through hole (160a2) opposite to the first through hole (160a1) is arranged at the bottom end of the slag removing rotating shaft placing cavity (160), a slag removing cavity rotating shaft (180) is arranged between the first through hole (160a1) and the second through hole (160a2), a rotating shaft gear (180b) is arranged on the rotating shaft (180), a slag removing baffle gear (170c) on the slag removing baffle (170) penetrates through the square through hole (150a) to be meshed with the rotating shaft gear (180b), the top end of the rotating shaft (180) penetrates through the, the rotating shaft wheel disc (180a) is connected with a first motor (160b) arranged on the deslagging rotating shaft placing cavity cover plate (160 a);

a filtering device main body (200) is arranged on one side of the deslagging device main body (100), a filter screen (220) is arranged in the center of the interior of the filtering device main body (200), and the filter screen (220) divides the filtering device main body (200) into a first filter cavity (210) and a second filter cavity (230) which are adjacent and have the same size; the outer walls of one sides of the first filtering cavity (210) and the second filtering cavity (230) are respectively provided with a first water inlet (210a) and a second water inlet (230a), a filtering cavity water inlet pipe (110) is arranged between the first water inlet (210a) and the second water inlet (230a), the filtering cavity water inlet pipe (110) penetrates through a third through hole (130b) formed in the side wall of a slag removal sewage collecting cavity (130) in the slag removal equipment main body (100) to be connected with a submersible sewage pump (130c), and the filtering cavity water inlet pipe (110) is provided with a two-position three-way electromagnetic valve (250) capable of controlling the water flow direction in the filtering cavity water inlet pipe (110); the two ends of the filter screen (220) are provided with differential pressure sensors (290) for detecting the water flow pressure at the two ends of the filter screen (220), and the differential pressure sensors (290) are connected with a circuit for controlling the two-position three-way electromagnetic valve (250); a first water discharge port (210b) and a second water discharge port (230b) are respectively arranged at the center positions of the bottom ends of the first filter cavity (210) and the second filter cavity (230), a filter cavity water discharge pipe (240) is arranged between the first water discharge port (210b) and the second water discharge port (230b), and the first water discharge port (210b) is connected with the second water discharge port (230b) through the filter cavity water discharge pipe (240); a first sewage draining port (210c) and a second sewage draining port (230c) are arranged on the side surface of the outer wall of the filtering equipment main body (200), which is opposite to the side surface where the first water draining port (210b) and the second water draining port (230b) are arranged, a filtering cavity sewage draining pipe (260) is arranged between the first sewage draining port (210c) and the second sewage draining port (230c), and the first sewage draining port (210c) is connected with the second sewage draining port (230c) through the filtering cavity sewage draining pipe; a first electromagnetic valve (210b1), a second electromagnetic valve (230b1), a third electromagnetic valve (210c1) and a fourth electromagnetic valve (230c1) are respectively arranged on the first drain outlet (210b), the second drain outlet (230b), the first drain outlet (210c) and the second drain outlet (230 c); the opening and closing of the respective solenoid valves may be controlled by an electric circuit by the first solenoid valve (210b1), the second solenoid valve (230b1), the third solenoid valve (210c1), and the fourth solenoid valve (230c 1).

2. An automated wastewater treatment plant for wastewater treatment according to claim 1, characterized in that: the bottom end of the deslagging baffle plate (170) is inwards sunken to form a semi-cylindrical first roller mounting cavity (170d), a first roller (170d1) is arranged in the first roller mounting cavity (170d), the bottom end of the deslagging plate placing cavity (150) is inwards sunken to form a first roller guide rail (150c), and the first roller (170d1) can slide in the first roller guide rail (150 c); the bottom end of one side of the first cavity (170a) of the deslagging baffle is inwards recessed to form a first brush mounting cavity (170a1), the lower end of one side of the second cavity of the deslagging baffle is inwards recessed to form a second brush mounting cavity (170b1), and the bottom ends of the common side walls of the first cavity (170a) of the deslagging baffle and the second cavity (170b) of the deslagging baffle are inwards recessed to form a soft plate mounting cavity (170c 1).

3. An automated wastewater treatment plant for wastewater treatment according to claim 2, characterized in that: the first filter residue placing plate (120a) and the second filter residue placing plate (140a) are respectively provided with a first hose (120d) and a second hose (140d), the first hose (120d) and the second hose (140d) are connected with the slag removal sewage collecting cavity (130), and a submersible sewage pump protection net (130c1) is arranged around the submersible sewage pump (130 c).

4. An automated wastewater treatment plant for wastewater treatment according to claim 3, characterized in that: a first side door (120c) and a second side door (140c) are respectively arranged on the side walls of the first residue collection cavity (120) and the second residue collection cavity (140).

5. An automated wastewater treatment plant for wastewater treatment according to claim 4, characterized in that: bearings are arranged in the first through hole (160a1) and the second through hole (160a2), and the upper end and the lower end of the rotating shaft (180) respectively penetrate through inner rings of the bearings.

6. An automated wastewater treatment plant for wastewater treatment according to claim 5, characterized in that: the inner wall of the middle of the filtering device main body (200) is inwards sunken to form a filtering screen notch (270), the filtering screen (220) is placed in the filtering screen notch (270), four semicircular second roller mounting cavities (220d) are formed in four edge corners of the filtering screen (220), a short shaft (220c) is arranged in each second roller mounting cavity (220d), a second roller (220b) is arranged on the circumferential surface of the short shaft (220c), the short shaft (220c) penetrates through the second roller (220b), and the second roller (220b) can rotate along the circumferential direction of the short shaft (220 c); the middle part of the filter screen notch (270) is inwards sunken to form a second roller guide rail (270a), and the top end of the filter screen (220) is provided with a handle (220 a).

7. An automated wastewater treatment plant for wastewater treatment according to claim 6, characterized in that: a cover plate (280a) is arranged on the first filter cavity (210) and the second filter cavity (230), a cover plate through hole (280a1) is formed in the cover plate, a decontamination rotating shaft (200a) with a gear at the bottom end is arranged in the cover plate through hole (280a1), a decontamination rotating shaft notch (200a1) is formed in the upper end of the decontamination rotating shaft (200a), the decontamination rotating shaft notch (200a1) penetrates through the cover plate through hole and is riveted with a rotating shaft gear (200a2), and the rotating shaft gear (200a2) is connected with a second motor (200a3) placed on the cover plate; a cleaning device fixing frame (200b) is arranged on one side of the bottom end of the cleaning rotating shaft (200a), and a gear at the bottom end of the cleaning rotating shaft is connected with a gear on the cleaning device fixing frame; a first water inlet (200c) of a cleaning device is arranged on the side wall of the first filtering cavity (210) and the second filtering cavity (230) in a filtering mode, a second water inlet (200d) of the cleaning device is arranged on the cleaning device fixing frame (200b), the first water inlet (200c) of the cleaning device is connected with the second water inlet (200d) of the cleaning device through a water pipe, and one end of the water pipe penetrates through the first water inlet (200c) of the cleaning device to be connected with an external water source; a fixed rod (200e) is also arranged in the first filter cavity (210) and the second filter cavity (230), and a circular hole guide rail (200b1) matched with the fixed rod is arranged on the cleaning device fixing frame (200 b); the cleaning device fixing frame (200b) is provided with a cleaning hole (200 f).

8. An automated wastewater treatment plant for wastewater treatment according to claim 7, characterized in that: the upper ends of the first drain opening (210b) and the second drain opening (230b) are respectively provided with a first drain opening filter screen (210b2) and a second drain opening filter screen (230b 2).

9. An automated wastewater treatment plant for wastewater treatment according to claim 8, characterized in that: the inner wall of the top end of the filtering device main body (200) is provided with a cover plate mounting step (280).

10. An automated wastewater treatment plant for wastewater treatment according to claim 9, characterized in that: the first sewage draining port (210c) and the second sewage draining port (230c) are respectively arranged at the bottom ends of one sides of the first filtering cavity (210) and the second filtering cavity (230).