CN112811704A

CN112811704A - Sewage treatment device for municipal water supply and drainage

Info

Publication number: CN112811704A
Application number: CN202011598546.3A
Authority: CN
Inventors: 黄新照
Original assignee: Fujian Xiaowo Construction Engineering Co ltd
Current assignee: Fujian Xiaowo Construction Engineering Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-05-18

Abstract

The application discloses a municipal water supply and drainage sewage treatment device, which relates to the technical field of municipal water supply and drainage and reduces the condition of residual scrap iron in sewage, and comprises a settling tank and an aeration tank, wherein a transition tank is connected between the settling tank and the aeration tank, the water inlet of the transition tank is connected with the settling tank, the transition tank is made of non-magnetic materials, the water outlet of the transition tank is connected with the aeration tank, the water outlet of the transition tank is higher than the water inlet of the transition tank, a conveying mechanism is arranged on the outer side wall of the transition tank, the conveying mechanism comprises a conveying belt for driving a magnet piece to move, the magnet piece is fixedly connected with the conveying belt, when the magnet piece is close to the transition tank, the magnet piece is in sliding connection with the outer side wall of the transition tank, the water inlet of the transition tank is connected with a water drain pipe, a chip collecting groove is formed in the transition tank, and the drain, the tail end of the conveying belt is close to the upper part of the chip collecting groove.

Description

Sewage treatment device for municipal water supply and drainage

Technical Field

The application relates to the technical field of municipal water supply and drainage, in particular to a sewage treatment device for municipal water supply and drainage.

Background

Water in municipal water supplies and sewerage includes human domestic sewage and industrial wastewater, excess ground water, and the like. Municipal water supplies and drains consist of a drain system (or trench), a wastewater treatment plant, and a final treatment facility.

Current municipal administration water supply and drainage sewage treatment plant, as the patent of publication No. CN210528675U said, including the sedimentation tank, there is the aeration tank water outlet of sedimentation tank through pipe connection, and there is the photolysis pond water outlet of aeration tank through pipe connection, and there is the filtering ponds water outlet of photolysis pond through pipe connection. More residues and silt in the sewage can be settled in a sedimentation tank, and the sewage can be discharged into rivers and lakes after the sewage is treated by a plurality of processes and is subjected to discharge standards.

In view of the above-mentioned related technologies, the inventor believes that the components of the domestic sewage and the residues in the industrial wastewater are very different, and especially the industrial wastewater discharged from the steel plant contains iron filings, and only the sedimentation tank and the filtering tank can block the iron filings, but some iron filings have small volume and are not easy to precipitate or filter, so that some iron filings can remain in the discharged water.

Disclosure of Invention

In order to reduce the condition of remaining iron fillings in the sewage, this application provides a sewage treatment plant of municipal administration plumbing.

The application provides a sewage treatment plant of municipal administration plumbing adopts following technical scheme:

the utility model provides a sewage treatment plant of municipal administration plumbing, includes setting tank and aeration tank, be connected with the transition box between setting tank and the aeration tank, the water inlet and the setting tank of transition box are connected, the transition box is made by non-magnetic material, the delivery port and the aeration tank of transition box are connected, the delivery port of transition box is higher than the water inlet of transition box, be provided with transport mechanism on the lateral wall of transition box, transport mechanism is including the conveyer belt that is used for ordering about the magnet piece removal, fixedly connected with magnet piece on the conveyer belt, when the magnet piece is close to the transition box, magnet piece and the lateral wall sliding connection with the transition box, the water inlet of transition box is connected with the drain pipe, set up the chip groove in the transition box, the drain pipe is close to the initiating terminal of conveyer belt, the end of conveyer belt is close to the top of chip groove.

By adopting the technical scheme, when the magnet piece is close to the drain pipe, the conveyor belt is closed, water in the settling tank is introduced into the drain pipe and flows into the transition box, scrap iron carried in the water discharged by the drain pipe is attracted by the magnet piece on the conveyor belt, so that the magnet piece in the water can be attracted by the magnet piece, the scrap iron is adhered to the inner side wall of the transition box, when more scrap iron is attracted by the magnet piece, the water in the settling tank does not flow into the transition box, the conveyor belt is opened, the conveyor belt is used for conveying the magnet piece away from the drain pipe, the scrap iron on the inner wall of the transition box can move along with the magnet piece, when the magnet piece drives the scrap iron to move to the scrap collecting groove, the magnet piece leaves the transition box along with the conveyor belt, so that the scrap iron is not attracted by the magnet piece, the scrap iron is deposited into the scrap collecting groove by the gravity of the magnet piece, so that more scrap iron, thereby reducing the residual scrap iron in the sewage.

Optionally, two magnet pieces are uniformly distributed on the conveyor belt at intervals.

Through adopting above-mentioned technical scheme, when a magnet piece just left the transition case, another magnet piece can get back to on the lateral wall of transition case to shorten the time that the setting tank drainage is interrupted, can accelerate the speed of transition case absorption iron fillings under the condition of absorption iron fillings.

Optionally, the conveying belt conveys at a constant speed, the conveying mechanism further comprises a switch timer for controlling the opening and closing of the conveying belt, a water inlet valve is installed at the water inlet of the transition box, and the switch timer for controlling the opening and closing of the water inlet valve is arranged on the transition box.

Through adopting above-mentioned technical scheme, when the magnet piece on the conveyer belt removed the initiating terminal to the conveyer belt, switch timer control conveyer belt closed, made the fixed laminating of magnet piece on the lateral wall of transition case, when the conveyer belt was closed, switch timer control inlet valve opened, made the rivers in the settling tank flow into the transition incasement, the magnet piece adsorbs iron fillings. After a certain time, the switch timer controls the opening of the conveyor belt and controls the closing of the water inlet valve, so that the iron chips can move to the chip collecting groove along with the magnet pieces.

Optionally, the lower end of the transition box is detachably connected with a collecting box, the collecting box is communicated with the scrap collecting groove, and a valve is arranged between the transition box and the collecting box.

Through adopting above-mentioned technical scheme, in the iron fillings in the chip groove fell into the collecting box, can regularly clear up the collecting box, closed valve before the clearance, dismantle the collecting box from the transition case again to the iron fillings clearance process that makes the transition case and the collection process of iron fillings can go on simultaneously.

Optionally, the lower end of the transition box is connected with a water service pipe, two ends of the water service pipe are respectively communicated with the chip collecting groove and the collecting box, the outer wall of the water service pipe is provided with external threads, the inner wall of the collecting box is provided with internal threads, and the collecting box is in threaded connection with the water service pipe.

Through adopting above-mentioned technical scheme, header tank and water service pipe threaded connection to make things convenient for the installation or the dismantlement of header tank.

Optionally, the inner wall of the collection box is fixedly connected with a limiting ring, a sealing ring is embedded in the limiting ring, and the lower end of the water service pipe is abutted to the sealing ring.

Through adopting above-mentioned technical scheme, when the collecting box was installed on the water service pipe, the lower extreme and the sealing washer butt of water service pipe to make collecting box and transition case sealing connection be in the same place.

Optionally, a plurality of magnet rods are inserted into the transition box, the magnet rods are located on the inner side wall, far away from the magnet pieces, of the transition box, and the magnet rods are distributed at intervals.

Through adopting above-mentioned technical scheme, a large amount of iron fillings are adsorbed to the magnet piece to remove iron fillings and collect to album bits inslot, when the magnet piece left the transition case lateral wall, most iron fillings fall into the chip groove, and a small amount of iron fillings are because the buoyancy of water and are wafted in aqueous, so the magnet stick can play further adsorption to the iron fillings of wafting in aqueous.

Optionally, a magnet ring is installed at the water outlet of the transition box.

Through adopting above-mentioned technical scheme, when the water in the transition case got into the aeration tank in, need flow through the delivery port, if the aquatic still remains in the very little iron fillings of volume, the iron fillings of aquatic can be adsorbed to the magnet circle to reduce aquatic more and contain iron fillings.

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

1. when water carrying iron chips enters the transition box, the magnet pieces can attract the iron chips to be adhered to the inner side wall of the transition box, when the magnet pieces move along with the conveyor belt, the iron chips can move to the upper part of the chip collecting groove along with the magnet pieces, and when the magnet pieces leave the transition box, the iron chips fall into the chip collecting groove;

2. the collecting box is communicated with the scrap collecting groove, scrap iron in the scrap collecting groove enters the collecting box through the water service pipe, after the valve is closed, the collecting box can be detached from the transition box to process the collected scrap iron, and the scrap iron can be cleaned and collected simultaneously.

Drawings

FIG. 1 is a top view of the overall structure of the present embodiment;

FIG. 2 is a schematic structural diagram of a conveying mechanism according to the present embodiment;

FIG. 3 is a schematic view showing the drain pipe of the present embodiment in a state close to the magnet piece;

FIG. 4 is a schematic diagram showing the positions of the water inlet and the water outlet of the transition box according to the embodiment;

FIG. 5 is an external schematic view of the collection box embodying the present embodiment;

fig. 6 is a schematic sectional view showing the water pipe and the chip pocket according to the present embodiment.

Description of reference numerals: 1. a settling tank; 2. a transition box; 21. a drain pipe; 22. a chip collecting groove; 23. a water pipe; 24. a valve; 3. an aeration tank; 4. a pipeline; 41. a water inlet valve; 5. a transport mechanism; 51. a conveyor belt; 52. a motor; 53. a drive roll; 54. a driven roller; 55. a support; 6. a magnet piece; 7. a magnet bar; 8. a magnetic ring; 9. a collection box; 91. a limiting ring; 92. and (5) sealing rings.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses sewage treatment plant of municipal administration plumbing. Referring to fig. 1, the sewage treatment device comprises a settling tank 1, a water outlet of the settling tank 1 is connected with a transition tank 2, and a water outlet of the transition tank 2 is connected with an aeration tank 3. The settling tank 1, the transition tank 2 and the aeration tank 3 are all made of non-magnetic material such as plastic, wood, rubber, etc. The settling tank 1, the transition tank 2 and the aeration tank 3 of the present embodiment are all made of plastic. When sewage passes through the settling tank 1, the impurity that the weight is heavier in the aquatic mostly stays in the settling tank 1, so the great iron fillings of volume can fall in the settling tank 1, and the less iron fillings of volume still scatter in the aquatic. The water outlet of the settling tank 1 is positioned at the upper end of the settling tank 1, and the water inlet of the transition tank 2 is positioned at the lower end of the transition tank 2. A pipeline 4 is connected between the settling tank 1 and the transition tank 2, and a water inlet valve 41 is arranged on the pipeline 4.

Referring to fig. 2, a conveying mechanism 5 is installed on the outer side wall of the transition box 2, the conveying mechanism 5 includes a support 55 fixedly connected with the outer side wall of the transition box 2, the conveying mechanism 5 further includes a conveying belt 51 and a motor 52 for driving the conveying belt 51 to convey, the motor 52 is installed at the lower end of the support 55, the motor 52 is connected with a driving roller 53, the starting end of the conveying belt 51 is sleeved on the driving roller 53, and the tail end of the conveying belt 51 is sleeved with a driven roller 54. A drive roller 53 and a driven roller 54 are rotatably connected to the frame. When the motor 52 is turned on, the driving roller 53 drives the conveyor belt 51 to reciprocate.

Referring to fig. 1 and 2, two magnet pieces 6 are fixedly bonded to the conveyor belt 51, and the two magnet pieces 6 are uniformly spaced. The magnet pieces 6 may be soft magnetic, and thus can be appropriately deformed to be suitable for the conveyance of the conveyor belt 51. When the magnet piece 6 is close to the transition box 2, one side of the magnet piece 6 close to the transition box 2 is attached to the outer side wall of the transition box 2. The conveyor belt 51 can drive the magnet piece 6 to be connected with the outer side wall of the transition box 2 in a sliding manner, and can also drive the magnet piece 6 to leave the transition box 2.

Referring to fig. 3, since the two magnet pieces 6 are uniformly spaced, when the conveyor belt 51 drives the magnet pieces 6 to move, after one magnet piece 6 leaves the transition box 2, the other magnet piece 6 can gradually contact the transition box 2. The magnet piece 6 can quickly return to the starting end of the conveyor belt 51 and can continuously attract the iron filings in the transition box 2.

Referring to fig. 3, a water discharge pipe 21 is connected to a water inlet of the transition box 2, and one end of the water discharge pipe 21 is close to the starting end of the conveyor 51. Since the drain end of the drain pipe 21 is close to the starting end of the conveyor belt 51, when the magnet piece 6 moves to the starting end of the conveyor belt 51 and the magnet piece 6 is attached to the outer wall of the transition box 2, the conveyor belt 51 is closed and the magnet piece 6 is attached to the transition box 2. Open water intaking valve 41 again and make water pass through drain pipe 21 and get into transition case 2 in, the delivery port of drain pipe 21 is close to on the inside wall of transition case 2, and the iron fillings that the aquatic carried flow out drain pipe 21's in-process, and remaining most iron fillings of aquatic can both be adsorbed on the inner wall of transition case 2 by magnet piece 6 to the iron fillings that make the aquatic carry reduce.

Referring to fig. 3, after a certain period of time, when the magnet piece 6 adsorbs a large amount of iron pieces, the water inlet valve 41 is closed. Then, the conveyor belt 51 is opened, the conveyor belt 51 transports the magnet piece 6 to move gradually, and the attracted iron pieces move along with the movement of the magnet piece 6. The magnet pieces 6 gradually leave the transition box 2 while accompanying the end of the conveyor belt 51. When the entire magnet piece 6 leaves the transition box 2, the iron pieces attracted by the magnet piece 6 fall downward.

Referring to fig. 3, a chip collecting groove 22 is formed on the bottom wall of the transition box 2, and the chip collecting groove 22 is close to the end of the conveyor belt 51. Most of the iron chips leaving the magnet piece 6 fall into the chip collecting groove 22, and the chip collecting groove 22 can collect most of the iron chips in the transition box 2.

Referring to fig. 3, a small portion of the iron pieces leaving the magnet piece 6 is scattered in the water, so that the magnet rod 7 is inserted into the transition box 2, and the magnet rod 7 is located on the inner side wall away from the magnet piece 6. When the iron scraps on the magnet rod 7 are absorbed more, the magnet rod 7 can be pulled out for cleaning. The magnet piece 6 attracts iron pieces away from the magnet rod 7, so the magnet rod 7 is less likely to attract iron pieces on the magnet piece 6. The iron pieces drifting in the transition box 2 are attracted by the magnet rod 7 when approaching the magnet rod 7, and the iron pieces drifting in the transition box 2 are attracted by the magnet piece 6 when approaching the magnet piece 6.

Referring to fig. 4, the water outlet of the transition box 2 is higher than the water inlet of the transition box 2, and the water outlet of the transition box 2 is located between the drainage pipe 21 and the chip collecting groove 22. The delivery port of transition case 2 is close to the surface of water, and the weight of the great iron fillings of volume is also bigger, needs bigger buoyancy come-up. So the iron filings with larger volume are not easy to float up to the water outlet. The magnet ring 8 is clamped on the periphery of the water outlet of the transition box 2, and when water passes through the magnet ring 8, a small amount of iron scrap carried in the water is attracted by the magnet ring 8. When iron fillings on 8 inner walls of clearance magnet circle or the outer wall, can adsorb iron fillings with the stronger magnet of magnetic force.

Referring to fig. 5 and 6, the lower end of the transition box 2 is raised to leave a gap between the transition box 2 and the ground. A water pipe 23 is hermetically connected to the lower surface of the transition box 2, and one end of the water pipe 23 communicates with the scrap collecting groove 22. The transition box 2 can be dismantled and be connected with the collecting box 9 that is used for collecting iron fillings, and the inner wall of collecting box 9 is seted up there is the internal thread, and the outer screw thread has been seted up to the lateral wall that the water service pipe 23 stretches out transition box 2. The collection box 9 is in threaded connection with the water service pipe 23, so that the collection box 9 is convenient to disassemble and assemble. The collecting box 9 is communicated with the scrap collecting groove 22 through a water pipe 23, so that the scrap iron in the scrap collecting groove 22 can fall on the collecting box 9.

Referring to fig. 5, a valve 24 is installed on the water pipe 23, and when the valve 24 is closed, water and iron filings in the transition box 2 do not fall into the collection box 9 any more. The collecting box 9 is detached from the drain pipe 21, so that people can conveniently clean the scrap iron in the collecting box 9. So that the collection and the cleaning of the scrap iron can be synchronously carried out.

Referring to fig. 6, a limiting ring 91 is fixedly connected to the inner wall of the collecting box 9, and a sealing ring 92 is embedded in the upper surface of the limiting ring 91. When the collection box 9 is screwed to the water pipe 23, one end of the water pipe 23 abuts on the packing 92, so that the collection box 9 can be connected to the water pipe 23 in a sealed manner.

In order to make the whole sewage treatment more automatic, the conveying mechanism 5 includes a switch timer for controlling the on and off of the conveyor belt 51, and the switch timer is mounted on the motor 52. The motor 52 drives the conveyor belt 51 to convey at a constant speed, when the magnet piece 6 is located at the initial position of the conveyor belt 51, the switch timer controls the motor 52 to turn off the conveyor belt 51, and when the time set by the switch timer is up, the motor 52 turns on the conveyor belt 51 again.

The feed valve 41 is also provided with a switch timer, and when the motor 52 is turned off and the conveyor belt 51 is stopped, the switch timer on the feed valve 41 controls the feed valve 41 to be opened, so that the water in the settling tank 1 flows into the transition tank 2. When the motor 52 is turned on and the conveyor belt 51 continues to convey, the water inlet valve 41 is closed. The opening and closing of the water inlet valve 41 and the motor 52 are controlled by an opening and closing timer, so that the whole sewage treatment process can be more automated.

The implementation principle of the sewage treatment device for municipal water supply and drainage is as follows:

when water in the setting tank 1 gets into transition case 2, magnet piece 6 can attract the most iron fillings that the aquatic carried, conveyer belt 51 drives magnet piece 6 when moving along the lateral wall of transition case 2, iron fillings are followed magnet piece 6 and are removed to the top of album bits groove 22, when magnet piece 6 leaves transition case 2 along with conveyer belt 51, fall to album bits inslot 22 by the adsorbed iron fillings of magnet piece 6 in, make a large amount of iron fillings in the aquatic collected, thereby the iron fillings that the aquatic carried significantly reduce.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a sewage treatment plant of municipal administration plumbing, includes setting tank (1) and aeration tank (3), its characterized in that: a transition box (2) is connected between the settling box (1) and the aeration box (3), a water inlet of the transition box (2) is connected with the settling box (1), the transition box (2) is made of a non-magnetic material, a water outlet of the transition box (2) is connected with the aeration box (3), the water outlet of the transition box (2) is higher than the water inlet of the transition box (2), a conveying mechanism (5) is arranged on the outer side wall of the transition box (2), the conveying mechanism (5) comprises a conveying belt (51) used for driving a magnet sheet (6) to move, the conveying belt (51) is fixedly connected with the magnet sheet (6), when the magnet sheet (6) is close to the transition box (2), the magnet sheet (6) is in sliding connection with the outer side wall of the transition box (2), the water inlet of the transition box (2) is connected with a water drain pipe (21), a chip collecting groove (22) is formed in the transition box (2), the drain pipe (21) is close to the starting end of the conveyor belt (51), and the tail end of the conveyor belt (51) is close to the upper part of the chip collecting groove (22).

2. The apparatus of claim 1, wherein the apparatus further comprises: two magnet pieces (6) are uniformly distributed on the conveyor belt (51) at intervals.

3. The apparatus of claim 2, wherein: the conveying mechanism (5) further comprises a switch timer for controlling the conveying belt (51) to be opened and closed, a water inlet valve (41) is installed at a water inlet of the transition box (2), and the switch timer for controlling the water inlet valve (41) to be opened and closed is arranged on the transition box (2).

4. The apparatus of claim 1, wherein the apparatus further comprises: the lower end of the transition box (2) is detachably connected with a collecting box (9), the collecting box (9) is communicated with a chip collecting groove (22), and a valve (24) is installed between the transition box (2) and the collecting box (9).

5. A municipal water supply and drainage sewage treatment plant according to claim 4, wherein: the lower extreme of transition case (2) is connected with water service pipe (23), the both ends of water service pipe (23) communicate with chip groove (22) and collecting box (9) respectively, the external screw thread has been seted up to the outer wall of water service pipe (23), the inner wall of collecting box (9) is seted up there is the internal thread, collecting box (9) and water service pipe (23) threaded connection.

6. A municipal water supply and drainage sewage treatment plant according to claim 5, wherein: the inner wall fixedly connected with spacing ring (91) of collecting box (9), inlay on spacing ring (91) and be equipped with sealing washer (92), the lower extreme and sealing washer (92) butt of water service pipe (23).

7. The apparatus of claim 1, wherein the apparatus further comprises: the transition case (2) is provided with a plurality of magnet rods (7) in an inserted mode, the magnet rods (7) are located on the inner side wall, far away from the magnet sheets (6), of the transition case (2), and the magnet rods (7) are distributed at intervals.

8. The apparatus of claim 7, wherein: and a magnet ring (8) is arranged at the water outlet of the transition box (2).