CN211284056U

CN211284056U - Domestic sewage purification system

Info

Publication number: CN211284056U
Application number: CN201921021065.9U
Authority: CN
Inventors: 吴峰; 赵建军
Original assignee: Inner Mongolia Clear Environmental Technology Co ltd
Current assignee: Inner Mongolia Clear Environmental Technology Co ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-08-18
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses a domestic sewage purification system, it includes unpowered digester, aeration tank, disinfection groove and cistern, the drain pipe of unpowered digester and the water inlet intercommunication of aeration tank, the outlet of aeration tank and the water inlet intercommunication in disinfection groove, the delivery port in disinfection groove passes through the water pump and communicates with the water inlet of cistern. Through setting up unpowered digester, guarantee can not contain a large amount of solid matter in the sewage of follow drain pipe discharge, reduce nitrogen in the sewage, the content of phosphorus compound, save sewage treatment filtration link, reduce nitrogen, the processing cost of phosphorus compound processing, the aeration of rethread aeration pond, increase the dissolved oxygen in the sewage, guarantee that the microorganism in the sewage is under the condition that has sufficient dissolved oxygen, organic matter oxidative decomposition in to the sewage, get rid of the organic matter, and disinfect through the disinfection groove, water after will disinfecting is taken out to the cistern through the water pump again and is stored, realize the reuse of sewage, reach energy saving and emission reduction's purpose.

Description

Domestic sewage purification system

The technical field is as follows:

the utility model relates to a domestic sewage treatment field, concretely relates to domestic sewage purification system.

Background art:

at present, a two-format or three-format digestion tank is used for sewage treatment in areas without urban public sewage pipe networks and treatment systems, such as vast rural areas, towns and the like, and the treatment method only decomposes sewage into primary solid matters and partial organic matters, so that some fine solid matters and macromolecular organic matters carrying peculiar smell can still be mixed in the treated water, and part of the fine solid matters and macromolecular organic matters contain nitrogen, phosphorus compounds and bacterial fungi, so that the waste water cannot be reused; if the sewage treatment system needs to be reused, water in the digestion tank needs to be filtered, nitrogen and phosphorus compounds in the sewage are removed, and the sewage treatment system is disinfected and sterilized, the digestion tank used by the rural personnel is not provided with equipment for realizing the functions, a special vehicle is needed to transport and pump the sewage to a designated sewage treatment position for advanced treatment, the sewage treatment cost is increased, and unnecessary economic burden is brought to farmers.

The utility model has the following contents:

an object of the utility model is to provide a domestic sewage purification system of domestic sewage reuse after handling.

The utility model discloses by following technical scheme implement:

the utility model provides a domestic sewage purification system, its includes unpowered digestion jar, aeration tank, disinfection groove and cistern, the drain pipe of unpowered digestion jar with the water inlet intercommunication of aeration tank, the outlet of aeration tank with the water inlet intercommunication of disinfection groove, the delivery port of disinfection groove pass through the water pump with the water inlet intercommunication of cistern.

Preferably, the unpowered digestion tank comprises a tank body, the tank body comprises a first tank body, a second tank body and a third tank body which are arranged side by side, the upper part of the first tank body is communicated with a water inlet pipe, the top of the first tank body is communicated with a sewage disposal port, and a well cover is buckled in the sewage disposal port; communicating pipes are respectively communicated between the first tank body and the second tank body and between the second tank body and the third tank body, breathing pipes communicated with the tops of the tank bodies are communicated on the communicating pipes in the first tank body, the second tank body and the third tank body, and filter screens are buckled at the top ends of the breathing pipes; cobblestones are filled in the third tank body, and a drain pipe is communicated with the lower portion of the third tank body.

Preferably, the suction pipe is arranged on the top of the third tank body, the bottom end of the suction pipe penetrates into the bottom end of the third tank body from the top end of the third tank body, and a sealing cover is buckled on the top of the suction pipe.

Preferably, the outlet of the water inlet pipe, the communicating pipe between the first tank body and the second tank body, and the pipe orifice of the communicating pipe between the second tank body and the third tank body are sequentially reduced.

The utility model has the advantages that: through setting up unpowered digester, guarantee can not contain a large amount of solid matter in the sewage of follow drain pipe discharge, reduce nitrogen in the sewage, the content of phosphorus compound, save sewage treatment filtration link, reduce nitrogen, the processing cost of phosphorus compound processing, the aeration of rethread aeration pond, increase the dissolved oxygen in the sewage, guarantee that the microorganism in the sewage is under the condition that has sufficient dissolved oxygen, organic matter oxidative decomposition in to the sewage, get rid of the organic matter, and disinfect through the disinfection groove, water after will disinfecting is taken out to the cistern through the water pump again and is stored, realize the reuse of sewage, reach energy saving and emission reduction's purpose.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

In the figure: the device comprises an unpowered digestion tank 1, an aeration tank 2, a disinfection tank 3, a reservoir 4, a water pump 5, a tank body 6, a first tank body 7, a second tank body 8, a third tank body 9, a water inlet pipe 10, a dirt cleaning port 11, a well cover 12, a communicating pipe 13, a breathing pipe 14, a filter screen 15, cobblestones 16, a drain pipe 17, a suction pipe 18 and a sealing cover 19.

The specific implementation mode is as follows:

as shown in figure 1, a domestic sewage purification system comprises an unpowered digestion tank 1, an aeration tank 2, a disinfection tank 3 and a reservoir 4, wherein a drain pipe 17 of the unpowered digestion tank 1 is communicated with a water inlet of the aeration tank 2, a drain outlet of the aeration tank 2 is communicated with a water inlet of the disinfection tank 3, a water outlet of the disinfection tank 3 is communicated with a water inlet of the reservoir 4 through a water pump 5, the unpowered digestion tank 1 is arranged to ensure that sewage discharged from the drain pipe 17 does not contain a large amount of solid substances, the content of nitrogen and phosphorus compounds in the sewage is reduced, a sewage treatment filtering link is omitted, the process cost of nitrogen and phosphorus compound treatment is reduced, aeration is carried out through the aeration tank 2 to increase dissolved oxygen in the sewage, and microorganisms in the sewage are ensured to carry out oxidative decomposition on organic matters in the sewage under the condition of sufficient dissolved oxygen, the organic matters are removed, and the disinfection is carried out through the disinfection tank 3, and the water pump 5 is used for pumping the sterilized water into the water storage tank 4 for storage, so that the sewage can be recycled.

The unpowered digestion tank 1 comprises a tank body 6, wherein the tank body 6 comprises a first tank body 7, a second tank body 8 and a third tank body 8 which are arranged side by side, the upper part of the first tank body 7 is communicated with a water inlet pipe 10, the top part of the first tank body 7 is communicated with a sewage cleaning port 11, a well cover 12 is buckled in the sewage cleaning port 11, and after sediment in the first tank body 7 reaches a certain height, the well cover 12 is opened to pump away approximately two-thirds of sludge in the first tank body 7 from the sewage cleaning port 11; communicating pipes 13 are respectively communicated between the first tank 7 and the second tank 8 and between the second tank 8 and the third tank 8, the communicating pipes 13 in the first tank 7, the second tank 8 and the third tank 8 are respectively communicated with a breathing pipe 14 communicated with the top of the tank 6, the breathing pipe 14 discharges gas generated in reaction, a filter screen 15 is buckled at the top end of the breathing pipe 14, and the filter screen 15 can prevent sundries on the ground from falling into the first tank 7, the second tank 8 and the third tank 8 from the breathing pipe 14; cobblestones 16 are filled in the third tank 8, a drain pipe 17 is communicated with the lower part of the third tank 8, domestic sewage mixed with certain floaters and solid matters enters the first tank 7 from a water inlet pipe 10, the floaters float above the sewage in the first tank 7, the floaters and the mixed matters in the sewage are decomposed under the action of hydrolysis acidification, generated sludge is deposited at the bottom of the pool in the first tank 7, the sewage in the first tank 7 flows into the second tank 8 through a communicating pipe 13 after reaching a certain height, hydrolysis acidification reaction is also carried out in the second tank 8 to decompose macromolecular matters mixed in the sewage, the sewage in the second tank 8 flows into the third tank 8 from the communicating pipe 13 after reaching a certain height, and the cobblestones 16 in the third tank 8 can form a layer of biological oxidation film on the long-term flushing lower surface of the sewage and has the advantages of adsorbing fine solid matters, The nitrogen compound and the phosphorus compound can reduce the content of the nitrogen and the phosphorus compound in the water, and the water in the third tank body 8 is discharged from the water discharge pipe 17;

through setting up first jar of body 7 and second jar of body 8, make sewage take place hydrolysis acidification reaction, decompose floater and macromolecular substance among them, and through setting up the third jar of body 8, and pack cobblestone 16 in the third jar of body 8, will be through the effect of the absorption of the tiny solid matter in the sewage of first jar of body 7 and second jar of body 8 hydrolysis acidification, nitrogen compound and phosphorus compound, guarantee to contain a large amount of no solid matter in the sewage that discharges from drain pipe 17, reduce the content of nitrogen, phosphorus compound in the sewage, reduce the filtration number of times of the sewage treatment of discharging in drain pipe 17, reduce the process cost that nitrogen, phosphorus compound handled.

The bottom end of the suction pipe 18 penetrates into the bottom end of the third tank 8 from the top end of the third tank 8, the top of the suction pipe 18 is buckled with a sealing cover 19, a biological oxidation film on the surface of cobblestones 16 can fall off after long-term use and precipitate on the bottom of the third tank 8, and a large amount of cobblestones are accumulated and then discharged from the drain pipe 17, so that the filtering cost is increased; by arranging the suction pipe 18, the sealing cover 19 is opened after long-term use, and the water pump 5 is used for pumping away the biological oxidation film dropped from the bottom of the third tank 8, so that the dropped biological oxidation film is prevented from being discharged from the water discharge pipe 17.

The outlet of the water inlet pipe 10, the communicating pipe 13 between the first tank 7 and the second tank 8, and the pipe orifice of the communicating pipe 13 between the second tank 8 and the third tank 8 are lowered in sequence, so that the water can be discharged from the water discharge pipe 17 by means of the self gravity.

The working principle is as follows: domestic sewage mixed with certain floaters and solid matters enters a first tank body 7 from a water inlet pipe 10, the floaters float above sewage in the first tank body 7, the mixed matters in the floaters and the sewage are decomposed under the action of hydrolysis acidification, the generated sludge is deposited at the bottom of a pool in the first tank body 7, the sewage in the first tank body 7 flows into a second tank body 8 through a communicating pipe 13 after reaching a certain height, hydrolysis acidification reaction also occurs in the second tank body 8 to decompose macromolecular matters mixed in the sewage, the sewage in the second tank body 8 flows into a third tank body 8 from the communicating pipe 13 after reaching a certain height, cobblestones 16 in the third tank body 8 can form a layer of biological oxidation film on the long-term lower surface of the sewage, has the function of adsorbing fine solid matters, nitrogen compounds and phosphorus compounds, and can reduce the content of nitrogen and phosphorus compounds in the water, the water of the third tank body 8 is discharged from the drain pipe 17, and then is aerated through the aeration tank 2 to increase the dissolved oxygen in the sewage, so that the microorganisms in the sewage are ensured to perform oxidative decomposition on organic matters in the sewage under the condition of sufficient dissolved oxygen, the organic matters are removed, the disinfection is performed through the disinfection tank 3, and the disinfected water is pumped into the reservoir 4 through the water pump 5 to be stored, so that the sewage can be reused.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The domestic sewage purification system is characterized by comprising an unpowered digestion tank, an aeration tank, a disinfection tank and a reservoir, wherein a drain pipe of the unpowered digestion tank is communicated with a water inlet of the aeration tank, a drain outlet of the aeration tank is communicated with a water inlet of the disinfection tank, and a water outlet of the disinfection tank is communicated with a water inlet of the reservoir through a water pump.

2. The domestic sewage purification system of claim 1, wherein the unpowered digestion tank comprises a tank body, the tank body comprises a first tank body, a second tank body and a third tank body which are arranged side by side, the upper part of the first tank body is communicated with a water inlet pipe, the top of the first tank body is communicated with a sewage disposal port, and a well cover is buckled in the sewage disposal port; communicating pipes are respectively communicated between the first tank body and the second tank body and between the second tank body and the third tank body, breathing pipes communicated with the tops of the tank bodies are communicated on the communicating pipes in the first tank body, the second tank body and the third tank body, and filter screens are buckled at the top ends of the breathing pipes; cobblestones are filled in the third tank body, and a drain pipe is communicated with the lower portion of the third tank body.

3. The domestic sewage purification system of claim 2, further comprising a suction pipe, wherein the bottom end of the suction pipe penetrates from the top end of the third tank to the inside of the bottom end of the third tank, and a sealing cover is fastened to the top of the suction pipe.

4. The domestic sewage purification system of any one of claims 2 or 3 wherein the outlet of the water inlet pipe, the communication pipe between the first tank and the second tank, and the orifice of the communication pipe between the second tank and the third tank are lowered in sequence.