CN112174443A

CN112174443A - Rural domestic sewage treatment

Info

Publication number: CN112174443A
Application number: CN202011146042.8A
Authority: CN
Inventors: 游天建; 钟罗罗; 绳秋月
Original assignee: Guangdong Fenghe Environmental Protection Technology Co ltd
Current assignee: Guangdong Fenghe Environmental Protection Technology Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-01-05

Abstract

The invention discloses rural domestic sewage treatment, including an electrochemical cell, a biochemical cell is provided on one side of the electrochemical cell, a sedimentation tank is provided on one side of the biochemical cell, and a clear water tank is provided on one side of the sedimentation tank. Rural domestic sewage is electrolyzed by positive and negative electrodes and a blower is matched with a micro-aeration device to reduce COD, decompose oil pollution and enrich total phosphorus. The clear water obtained after being filtered layer by layer through a first filter plate, a second filter plate, a third filter plate and a fourth filter plate can be used for landscape planting and farmland planting, and the sludge left after filtering can be used as an organic fertilizer for farmland planting.

Description

Rural domestic sewage treatment

Technical Field

The invention relates to the technical field of sewage treatment, in particular to rural domestic sewage treatment.

Background

At present, most rural areas in China have no perfect sewage collecting and treating facilities. A large amount of untreated sewage is directly discharged, which causes great pollution to sewage containing bodies and soil and seriously threatens the safety of underground water and the health of rural residents.

Compared with urban sewage, rural domestic sewage contains a large amount of pollutants such as organic pollutants, suspended matter grade nitrogen and phosphorus and other nutritive substances, and has the characteristics of large change of water quality and water quantity, complex sewage type and the like. The urban sewage treatment technology has the characteristics of large construction investment, large occupied area, long construction period, complex operation management and the like, and is not suitable for treating rural sewage. Therefore, we propose rural domestic sewage treatment.

Disclosure of Invention

The invention aims to provide rural domestic sewage treatment to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: rural domestic sewage treatment, including the electrochemistry pond, electrochemistry pond one side is equipped with biochemical pond, biochemical pond one side is equipped with the sedimentation tank, sedimentation tank one side is equipped with the clean water basin.

Preferably, the electrochemical cell comprises a plurality of boxes, a sewage inlet pipe, a positive electrode, a negative electrode, a power supply, an electrochemical cell water outlet pipe, an electrochemical cell drainage plate and an electrochemical cell sediment collecting pipe, wherein the plurality of boxes are arranged, the power supply is fixedly arranged at the top of the box, one end of the sewage inlet pipe penetrates through the top of the box and is fixedly connected with the box, the other end of the sewage inlet pipe penetrates through the first filter plate and is fixedly connected with the first filter plate, the positive electrode and the negative electrode both penetrate through the top of the box and the first filter plate and are fixedly connected with the box and the first filter plate, the first filter plate is positioned in the box and is fixedly connected with the box, the plurality of electrochemical cell drainage plates are fixedly arranged below the inner part of the box, the electrochemical cell sediment collecting pipe is fixedly arranged at the bottom of the box, the, and one end runs through the top of the box body, the other end is fixedly connected with a first connecting pipe, the first motor is fixedly installed on a water outlet pipe of the electrochemical cell, and the functions of reducing COD (chemical oxygen demand), decomposing oil stains, enriching total phosphorus and the like can be realized through electrolysis.

Preferably, biochemical pond includes second filter, suspension filler, biochemical pond outlet pipe and second motor, biochemical pond inlet tube one end of first connecting pipe fixedly connected with, biochemical pond inlet tube other end runs through the box top, the second filter is located biochemical pond inlet tube below, and fixed mounting is inside the box, the suspension filler is equipped with a plurality ofly, and is located the second filter below, the suspension filler below is equipped with equipment, biochemical pond outlet pipe is located second filter top, and one end runs through the box top, other end fixedly connected with second connecting pipe, second motor fixed mounting is on biochemical pond outlet pipe, but the dephosphorization reduces effects such as COD.

Preferably, the equipment device includes little blast pipe and little aeration equipment, fixed mounting has the air-blower on the blast pipe, and blast pipe both ends run through respectively and be connected with electrochemistry pond and biochemical pond, little aeration equipment is located air-blower one side, and both ends run through electrochemistry pond and biochemical pond respectively, and the air is added to the system of forcing in sewage, makes in the pond sewage and air contact oxygenate.

Preferably, the sedimentation tank includes third filter, sedimentation tank drainage plate, sedimentation tank sediment collecting pipe, sedimentation tank outlet pipe and third motor, second connecting pipe fixedly connected with sedimentation tank inlet tube one end, the sedimentation tank inlet tube other end runs through box top and third filter, third filter fixed mounting is inside the box, sedimentation tank drainage plate is equipped with a plurality ofly, and fixed mounting is in the box inside below, sedimentation tank sediment collecting pipe fixed mounting is in the box bottom, the sedimentation tank outlet pipe is located third filter top, and one end runs through the box top, other end fixedly connected with third connecting pipe, third motor fixed mounting gets rid of the mud in the sewage on the sedimentation tank outlet pipe, purifies sewage.

Preferably, the clean water basin includes clean water basin inlet tube and fourth filter, third connecting pipe fixedly connected with clean water basin inlet tube one end, the box top is connected to the clean water basin inlet tube other end, fourth filter fixed mounting is inside the box, fourth filter below is equipped with sprinkler, thoroughly purifies into pollution-free clear water with sewage and discharges.

Preferably, sprinkler includes water valve and clean water basin outlet pipe, clean water basin outlet pipe one end fixedly connected with clean water basin, and other end fixedly connected with sprinkler head, water valve fixed mounting is on clean water basin outlet pipe, and clear water accessible sprinkler head irrigates view and farmland.

Preferably, an inclined pipe is fixedly installed between the electrochemical pool sediment collecting pipe and the sedimentation pool sediment collecting pipe, sludge is discharged into the same pipeline, and the seat organic fertilizer is used for farmland planting.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, rural domestic sewage is subjected to electrolysis by the positive and negative electrodes and is matched with the micro-aeration device by the blower, so that COD is reduced, oil stain can be decomposed, total phosphorus can be enriched, clear water obtained after layer-by-layer filtration by the first filter plate, the second filter plate, the third filter plate and the fourth filter plate can be used for landscape planting and farmland planting, and sludge left after filtration can be used as organic fertilizer for farmland planting.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of an electrochemical cell according to the present invention;

FIG. 3 is a schematic view of the structure of a biochemical pool according to the present invention;

FIG. 4 is a schematic view of the structure of the sedimentation tank of the present invention;

FIG. 5 is a schematic view of the clean water tank of the present invention;

FIG. 6 is a schematic structural diagram of an apparatus according to the present invention.

In the figure: 1-an electrochemical cell; 2-a biochemical pool; 3-a sedimentation tank; 4-a clean water tank; 5-a spraying device; 6-equipment means; 7-a collecting device; 8-a box body; 9-a sewage inlet pipe; 10-a positive electrode; 11-a negative electrode; 12-a power supply; 13-a first filter plate; 14-an electrochemical cell water outlet pipe; 15-a first electric machine; 16-a first connection pipe; 17-an electrochemical cell drainage plate; 18-an electrochemical cell sediment collection tube; 19-a blast pipe; 20-micro aeration device; 21-a water inlet pipe of a biochemical pool; 22-a second filter plate; 23-suspended fillers; 24-a water outlet pipe of the biochemical pool; 25-a second motor; 26-a second connecting tube; 27-a water inlet pipe of a sedimentation tank; 28-a third filter plate; 29-a drainage plate of the sedimentation tank; 30-a sediment collecting pipe of the sedimentation tank; 31-a water outlet pipe of the sedimentation tank; 32-a third motor; 33-a third connecting tube; 34-a clean water tank water inlet pipe; 35-a fourth filter plate; 36-an inclined tube; a 37-water valve; 38-a clean water tank outlet pipe; 39-a sprinkler head; 40-blower.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: rural domestic sewage treatment, its characterized in that: including

electrochemical pool

1, 1 one side in electrochemical pool is equipped with

biochemical pond

2, 2 one sides in biochemical pond are equipped with

sedimentation tank

3, 3 one sides in sedimentation tank are equipped with clean water basin 4.

The electrochemical cell 1 comprises a box body 8, a plurality of sewage inlet pipes 9, positive electrodes 10, negative electrodes 11, a power supply 12, an electrochemical cell water outlet pipe 14, an electrochemical cell drainage plate 17 and an electrochemical cell sediment collecting pipe 18, wherein the box body 8 is provided with a plurality of power supplies 12, the power supplies 12 are fixedly arranged on the top of the box body 8, one end of each sewage inlet pipe 9 penetrates through the top of the box body 8 and is fixedly connected with the box body 8, the other end of each sewage inlet pipe 9 penetrates through a first filter plate 13 and is fixedly connected with a first filter plate 13, the positive electrodes 10 and the negative electrodes 11 both penetrate through the top of the box body 8 and the first filter plate 13 and are fixedly connected with the box body 8 and the first filter plate 13, the first filter plate 13 is positioned inside the box body 8 and is fixedly connected with the box body 8, the electrochemical cell drainage plates 17 are provided with a plurality of electrochemical cell drainage plates, the electrochemical cell water outlet pipe 14 is positioned above the first filter plate 13, one end of the electrochemical cell water outlet pipe penetrates through the top of the box body 8, the other end of the electrochemical cell water outlet pipe is fixedly connected with a first connecting pipe 16, and the first motor 15 is fixedly installed on the electrochemical cell water outlet pipe 14.

Biochemical pond 2 includes second filter 22, suspension filler 23, biochemical pond outlet pipe 24 and second motor 25, the biochemical pond inlet tube 21 one end of 16 fixedly connected with of first connecting pipe, biochemical pond inlet tube 21 other end runs through 8 tops of box, second filter 22 is located biochemical pond inlet tube 21 below, and fixed mounting is inside 8 boxes, suspension filler 23 is equipped with a plurality ofly, and is located second filter 22 below, suspension filler 23 below is equipped with equipment 6, biochemical pond outlet pipe 24 is located second filter 22 top, and one end runs through 8 tops of box, other end fixedly connected with second connecting pipe 26, second motor 25 fixed mounting is on biochemical pond outlet pipe 24.

The device 6 comprises a micro blast pipe 19 and a micro aeration device 20, wherein an air blower 40 is fixedly installed on the blast pipe 19, the two ends of the blast pipe 19 are respectively connected with an electrochemical pool 1 and a biochemical pool 2 in a penetrating manner, the micro aeration device 20 is positioned on one side of the air blower 40, and the two ends of the micro aeration device respectively penetrate through the electrochemical pool 1 and the biochemical pool 2.

Sedimentation tank 3 includes third filter 28, sedimentation tank drainage plate 29, sedimentation tank sediment collecting pipe 30, sedimentation tank outlet pipe 31 and

third motor

32, 26 fixedly connected with sedimentation tank inlet tube 27 one ends of second connecting pipe, the sedimentation tank inlet tube 27 other end runs through 8 tops of box and

third filter

28, 28 fixed mounting of third filter is inside box 8, sedimentation tank drainage plate 29 is equipped with a plurality ofly, and fixed mounting is in 8 inside belows of box, 30 fixed mounting in 8 bottoms of sedimentation tank sediment collecting pipe, sedimentation tank outlet pipe 31 is located third filter 28 top, and one end runs through 8 tops of box, other end fixedly connected with third connecting pipe 33, third motor 32 fixed mounting is on sedimentation tank outlet pipe 31.

Clean water basin 4 includes clean water basin inlet tube 34 and fourth filter 35, third connecting pipe 33 fixedly connected with clean water basin inlet tube 34 one end, the 8 tops of box are connected to the clean water basin inlet tube 34 other end, fourth filter 35 fixed mounting is inside box 8, fourth filter 35 below is equipped with sprinkler 5.

The spraying device 5 comprises a water valve 37 and a clean water tank outlet pipe 38, one end of the clean water tank outlet pipe 38 is fixedly connected with a clean water tank 4, the other end of the clean water tank outlet pipe 38 is fixedly connected with a spraying head 39, and the water valve 37 is fixedly installed on the clean water tank outlet pipe 38.

An inclined pipe 36 is fixedly arranged between the electrochemical cell sediment collecting pipe 18 and the sedimentation cell sediment collecting pipe 30.

The working principle is as follows: after domestic sewage is discharged into a sewage inlet pipe 9, a power supply 12 is started to electrolyze the sewage through a positive electrode 10 and a negative electrode 11, meanwhile, an air blower 40 blows air into an electrochemical pool 1 through a blast pipe 19, a micro-aeration device 20 is started to decompose oil stains, reduce COD, enrich total phosphorus and the like, the sewage is filtered through a first filter plate 13, the filtered sewage is pumped into an electrochemical pool outlet pipe 14 through a first motor 15, the remaining sludge flows into an electrochemical pool sediment collecting pipe 18 through an electrochemical pool drainage plate 17, the sewage flows into a biochemical pool inlet pipe 21 from the electrochemical pool outlet pipe 14 through a first connecting pipe 16 and enters a biochemical pool 2, substances such as COD and the like in the sewage can be reduced through the air blown into the blast pipe 19, the micro-aeration device 20 and a suspended filler 23, the sewage is filtered through a second filter plate 22 and then is pumped into the biochemical pool outlet pipe 24 through a second connecting pipe 26 and a sedimentation pool inlet pipe 27 through a second motor 25 and enters a biochemical sedimentation pool 3, the sewage is filtered by the third filter plate 28, then is pumped into the sedimentation tank water outlet pipe 31 by the third motor 32, and enters the clean water tank 4 through the third connecting pipe 33 and the clean water tank water inlet pipe 34, the sludge in the sedimentation tank 3 is discharged into the sedimentation tank sediment collecting pipe 30 through the sedimentation tank drainage plate 29, the sewage enters the clean water tank 4 and is filtered by the fourth filter plate 35, the filtered clean water is drained to the sprinkler head 39 through the clean water tank water outlet pipe 38, the switch of the sprinkler head 39 can be controlled by switching the water valve 37, the sludge in the electrochemical tank sediment collecting pipe 18 is discharged into the sedimentation tank sediment collecting pipe 30 through the inclined pipe 36, and then is discharged together through the sedimentation tank sediment collecting pipe 30 for farmland planting.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Rural domestic sewage treatment, its characterized in that: the device comprises an electrochemical pool (1), wherein a biochemical pool (2) is arranged on one side of the electrochemical pool (1), a sedimentation pool (3) is arranged on one side of the biochemical pool (2), and a clean water pool (4) is arranged on one side of the sedimentation pool (3).

2. The rural domestic sewage treatment of claim 1, characterized in that: the electrochemical cell (1) comprises a box body (8), a sewage inlet pipe (9), a positive electrode (10), a negative electrode (11), a power supply (12), an electrochemical cell water outlet pipe (14), an electrochemical cell drainage plate (17) and an electrochemical cell sediment collecting pipe (18), wherein the box body (8) is provided with a plurality of power supplies (12), the power supplies (12) are fixedly arranged at the top of the box body (8), one end of the sewage inlet pipe (9) penetrates through the top of the box body (8) and is fixedly connected with the box body (8), the other end of the sewage inlet pipe penetrates through a first filter plate (13) and is fixedly connected with the first filter plate (13), the positive electrode (10) and the negative electrode (11) both penetrate through the top of the box body (8) and the first filter plate (13) and are both fixedly connected with the box body (8) and the first filter plate (13), the first filter plate (13) is positioned inside the box, the electrochemical cell drainage plate (17) is provided with a plurality of drainage plates, the drainage plates are fixedly installed below the inner portion of the box body (8), the electrochemical cell sediment collecting pipe (18) is fixedly installed at the bottom of the box body (8), the electrochemical cell water outlet pipe (14) is located above the first filtering plate (13), one end of the electrochemical cell water outlet pipe penetrates through the top of the box body (8), the other end of the electrochemical cell water outlet pipe is fixedly connected with a first connecting pipe (16), and the first motor (15) is fixedly installed on the electrochemical cell water outlet pipe (14).

3. The rural domestic sewage treatment of claim 1, characterized in that: the biochemical tank (2) comprises a second filter plate (22), a suspended filler (23), a biochemical tank water outlet pipe (24) and a second motor (25), the first connecting pipe (16) is fixedly connected with one end of a biochemical pool water inlet pipe (21), the other end of the biochemical pool water inlet pipe (21) penetrates through the top end of the box body (8), the second filter plate (22) is positioned below the biochemical pool water inlet pipe (21), and is fixedly arranged in the box body (8), a plurality of suspension fillers (23) are arranged, and is positioned below the second filter plate (22), an equipment device (6) is arranged below the suspended filler (23), the water outlet pipe (24) of the biochemical pool is positioned above the second filter plate (22), one end of the connecting pipe penetrates through the top of the box body (8), the other end of the connecting pipe is fixedly connected with a second connecting pipe (26), the second motor (25) is fixedly arranged on the water outlet pipe (24) of the biochemical pool.

4. The rural domestic sewage treatment of claim 3, characterized in that: the device (6) comprises a micro blast pipe (19) and a micro aeration device (20), wherein an air blower (40) is fixedly installed on the blast pipe (19), the two ends of the blast pipe (19) are respectively connected with an electrochemical pool (1) and a biochemical pool (2) in a penetrating manner, the micro aeration device (20) is positioned on one side of the air blower (40), and the two ends of the micro aeration device respectively penetrate through the electrochemical pool (1) and the biochemical pool (2).

5. The rural domestic sewage treatment of claim 1, characterized in that: the sedimentation tank (3) comprises a third filter plate (28), a sedimentation tank drainage plate (29), a sedimentation tank sediment collecting pipe (30), a sedimentation tank water outlet pipe (31) and a third motor (32), the second connecting pipe (26) is fixedly connected with one end of a sedimentation tank water inlet pipe (27), the other end of the sedimentation tank water inlet pipe (27) penetrates through the top end of the box body (8) and the third filter plate (28), the third filter plates (28) are fixedly arranged inside the box body (8), a plurality of sedimentation tank drainage plates (29) are arranged, and is fixedly arranged at the lower part inside the box body (8), the sedimentation tank sediment collecting pipe (30) is fixedly arranged at the bottom end of the box body (8), the water outlet pipe (31) of the sedimentation tank is positioned above the third filter plate (28), one end of the connecting pipe penetrates through the top of the box body (8), the other end of the connecting pipe is fixedly connected with a third connecting pipe (33), and the third motor (32) is fixedly arranged on a water outlet pipe (31) of the sedimentation tank.

6. The rural domestic sewage treatment of claim 1, characterized in that: clean water basin (4) are including clean water basin inlet tube (34) and fourth filter (35), third connecting pipe (33) fixedly connected with clean water basin inlet tube (34) one end, box (8) top is connected to clean water basin inlet tube (34) other end, fourth filter (35) fixed mounting is inside box (8), fourth filter (35) below is equipped with sprinkler (5).

7. The rural domestic sewage treatment of claim 6, characterized in that: sprinkler (5) include water valve (37) and clean water basin outlet pipe (38), clean water basin outlet pipe (38) one end fixedly connected with clean water basin (4), and other end fixedly connected with sprinkler head (39), water valve (37) fixed mounting is on clean water basin outlet pipe (38).

8. The rural domestic sewage treatment of claim 2, characterized in that: an inclined tube (36) is fixedly arranged between the electrochemical pool sediment collecting tube (18) and the sedimentation pool sediment collecting tube (30).