CN213834949U - Utilize sewage treatment system of microbial treatment rural sewage - Google Patents

Abstract

The utility model relates to a sewage treatment system for treating rural sewage by using microorganisms, which comprises a treatment tank and a drainage pipeline, wherein a partition board is fixedly arranged in the treatment tank and divides the treatment tank into a settling zone and a decomposition zone, a communicating piece is arranged on the partition board and is used for pumping the settled sewage in the settling zone into the decomposition zone, the settling zone is used for carrying out settling pretreatment on the sewage, a filler is arranged in the decomposition zone, and microorganisms for organically decomposing the sewage from the settling zone are adhered to the surface of the filler; one end of the drainage pipeline is communicated with the decomposition area, and the other end is communicated with the outside. This application has the organic matter that can decompose in the sewage and contain to promote the effect of sewage cleanliness.

Description

Utilize sewage treatment system of microbial treatment rural sewage

Technical Field

The application relates to the field of sewage treatment, in particular to a sewage treatment system for treating rural sewage by using microorganisms.

Background

In the process of rural economic development, water pollution is particularly prominent in rural environmental pollution, and water pollution accidents happen occasionally; rural domestic sewage mainly has three aspects of characteristics: firstly, the treatment rate is low; intermittent discharge, small discharge capacity and dispersion; thirdly, the nitrogen and phosphorus concentration is high and the nutrient salt, bacteria, virus and the like are contained in a large quantity.

Most rural areas in China have almost no sewage treatment facilities, sewage directly enters rivers and lakes, and related technologies also adopt simple sedimentation tanks, impurities in the sewage are left in the sedimentation tanks in a sedimentation mode, and then the settled water is discharged into the rivers and lakes.

In view of the above-mentioned related art, the inventor believes that there is a defect that the sewage is treated only by precipitation and the treated sewage is not clean enough.

SUMMERY OF THE UTILITY MODEL

In order to treat rural sewage more cleanly, the application provides a sewage treatment system for treating rural sewage by utilizing microorganisms.

The application provides an utilize sewage treatment system of rural sewage of microbial treatment adopts following technical scheme:

a sewage treatment system for treating rural sewage by using microorganisms comprises a treatment tank and a drainage pipeline, wherein a partition plate is fixedly arranged in the treatment tank and divides the treatment tank into a precipitation zone and a decomposition zone, a communicating piece is arranged on the partition plate and is used for pumping precipitated sewage in the precipitation zone into the decomposition zone, the precipitation zone is used for carrying out precipitation pretreatment on the sewage, a filler is arranged in the decomposition zone, and microorganisms for organically decomposing the sewage from the precipitation zone are adhered to the surface of the filler; one end of the drainage pipeline is communicated with the decomposition area, and the other end of the drainage pipeline is communicated with the outside.

Through adopting above-mentioned technical scheme, sewage pours into earlier in the sedimentation zone of treatment tank, treat sewage deposit a period of time after, through the intercommunication piece with the sewage suction decompose the district in, the microorganism that makes on the filler decompose the organic matter in the sewage in the decomposition district, the sewage that has handled at last is arranged to river or lake through drainage pipe again, compare in sewage just directly arrange to river or lake after only through deposiing in, this kind of design, make sewage deposit the back can also carry out the decomposition of organic matter in the decomposition district, thereby reduce the organic matter that contains in the sewage, the amount that contains organic debris in the sewage at this moment will greatly reduced, the cleanliness of sewage has been promoted.

Preferably, an agitating assembly for agitating the filler is further disposed in the decomposing field, and the agitating assembly includes: the two ends of the rotating shaft are respectively and rotatably connected with the side wall of the decomposition area; the net cylinder is fixedly sleeved on the rotating shaft, and the filler is filled in the net cylinder; the driving piece is arranged on the treatment pool and used for driving the rotating shaft to rotate around the axis of the rotating shaft.

Through adopting above-mentioned technical scheme, when treating that sewage gets into in the decomposition area, accessible driving piece makes the pivot rotate around the central line of self, and the pivot can drive a net section of thick bamboo and rotate, and at a net section of thick bamboo pivoted in-process, the filler can rotate along with a net section of thick bamboo to make filler can more easily with sewage contact, then the microorganism on the filler can decompose the organic matter in the sewage better, and then has promoted the purifying effect of sewage.

Preferably, the rotating shaft is fixedly sleeved with a rotating disc, and the diameter of the rotating disc is larger than that of the net cylinder.

Through adopting above-mentioned technical scheme, driving piece drive pivot rotates, and the pivot will drive the carousel and rotate, and then the carousel in rotating can make sewage stirred for sewage can fully contact with the air, and this kind of design can make partial harmful gas escape from the aquatic on the one hand, and on the other hand can improve the dissolved oxygen concentration of sewage, reaches the purpose that promotes aerobic microbe degradation organic matter, compares in addition before setting up the carousel, and stirring effect also can be better.

Preferably, a shifting piece is fixedly arranged on the rotary table, one end of the shifting piece is fixedly connected with the peripheral side surface of the rotary table, and the other end of the shifting piece extends towards the direction far away from the rotary table.

Through adopting above-mentioned technical scheme, the carousel is at the pivoted in-process, and the plectrum can rotate around the central line of carousel for the carousel can stir sewage better, thereby makes sewage can abundant contact air more, helps promoting the purifying effect of sewage.

Preferably, a plurality of drop sills connected in sequence are arranged on the upper surface of the partition plate, and the water-filtered plants are planted on the drop sills.

Through adopting above-mentioned technical scheme, when the intercommunication piece was taken out the sewage in the settling zone to the baffle on, sewage can be along with falling the bank on the baffle and down flowing gradually to at this in-process, the partial impurity in the drainage plant's root system can be strained sewage, thereby can promote the effect that whole treatment tank purified sewage.

Preferably, the drop sill comprises a drop sill platform and a drop sill section, the drop sill platform is adjacent to the drop sill section and is perpendicular to the drop sill section, and a planting groove for planting the water-filtered plants is formed in the drop sill platform.

Through adopting above-mentioned technical scheme, sewage is along with the in-process that falls the bank on the baffle and down flow gradually, plants the groove and can make drainage plant difficult by sewage washing away to make sewage difficult sneak into drainage plant behind the baffle, and then difficult effect that influences whole treatment tank purification sewage.

Preferably, a stop valve is arranged at the drainage pipeline and used for controlling the on-off of the drainage pipeline.

Through adopting above-mentioned technical scheme, need a period when decomposing the organic matter because of the microorganism in the decomposition district, then the stop valve can block drainage pipe temporarily for sewage in the decomposition district can have sufficient time to handle, treat after the decomposition district handles, can open the stop valve will handle the sewage after discharge can.

Preferably, one end of the drainage pipeline, which is far away from the decomposition area, is communicated with a disinfection tank.

Through adopting above-mentioned technical scheme, can remain the microorganism that is used for decomposing the organic matter in the sewage after handling because of the decomposition district, and after sewage got into the disinfection pond, the disinfection pond can disinfect sewage to can make the cleanliness of sewage higher.

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

1. through the arrangement of the treatment tank and the drainage pipeline, decomposition treatment of organic matters can be carried out after sewage is precipitated, so that organic matters contained in the sewage are reduced, and the cleanliness of the sewage is improved;

2. due to the arrangement of the stirring assembly, the filler can be easily contacted with the sewage, so that the microorganisms on the filler can better decompose the organic matters in the sewage, and the cleanliness of the sewage is improved;

3. through the setting of carousel and plectrum for sewage can fully contact with the air, thereby can make in the sewage effusion among the part harmful gas, also can improve the dissolved oxygen concentration of sewage in order to reach the purpose that promotes aerobic microorganisms and degrade the organic matter.

Drawings

FIG. 1 is a perspective view of a sewage treatment system in an embodiment of the present application.

Fig. 2 is a schematic structural view of the separator.

FIG. 3 is a schematic view of the stirring assembly and the rotary disk.

FIG. 4 is a sectional view showing the connection between the sterilizing chamber and the drain line.

Description of reference numerals: 1. a treatment tank; 11. a settling zone; 12. a decomposition zone; 2. a water discharge pipeline; 21. a first drain conduit; 22. a second water discharge pipeline; 3. a partition plate; 4. a communicating member; 41. a pressing member; 42. connecting a pipeline; 5. a filler; 6. a stirring assembly; 61. a rotating shaft; 62. a net drum; 63. a drive member; 7. rotating the disc; 71. a turntable; 72. a shifting sheet; 8. falling the threshold; 81. a step-down platform; 82. a step of falling the sill section; 9. planting grooves; 10. a stop valve; 101. a disinfection tank; 102. mounting blocks; 103. an adsorbing member.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a sewage treatment system for treating rural sewage by using microorganisms. Referring to fig. 1, a sewage treatment system for treating rural sewage using microorganisms includes: the sewage treatment device comprises a treatment tank 1, a drainage pipeline 2 and a disinfection tank 101, wherein a partition plate 3 is fixedly arranged in the treatment tank 1, the partition plate 3 divides the treatment tank 1 into a precipitation zone 11 at the left side and a decomposition zone 12 at the right side, a communicating piece 4 is arranged on the partition plate 3, the communicating piece 4 is used for pumping precipitated sewage in the precipitation zone 11 into the decomposition zone 12, the precipitation zone 11 is used for carrying out precipitation pretreatment on the sewage, a filler 5 is arranged in the decomposition zone 12, and microorganisms for organically decomposing the sewage from the precipitation zone 11 are adhered to the surface of the filler 5; one end of the drainage pipeline 2 is communicated with the decomposition area 12, the other end is communicated with the outside, the drainage pipeline 2 is disconnected at the disinfection tank 101, the disinfection tank 101 is arranged at the disconnected position of the drainage pipeline 2, and two ends of the disconnected position of the drainage pipeline 2 are respectively communicated with the disinfection tank 101.

Referring to fig. 1, when sewage is treated, firstly, sewage is poured into a settling zone 11 of a treatment tank 1, after the sewage is settled for a period of time, the sewage in the settling zone 11 is pumped into a decomposition zone 12 through a communicating piece 4, microorganisms on a filler 5 in the decomposition zone 12 decompose organic matters in the sewage, then, the treated sewage is discharged into a disinfection tank 101, finally, the microorganisms in the sewage are eliminated through the disinfection tank 101 and then discharged into a river or a lake, compared with the design mode that the sewage is directly discharged into the river or the lake after being settled, on one hand, the sewage is purified through two steps of settling pretreatment and microorganism decomposition treatment, so that the content of the organic matters in the sewage is reduced, and on the other hand, the microorganisms in the sewage are treated through the disinfection tank 101, so that the cleanliness of the sewage is greatly improved.

Referring to fig. 1, the communication member 4 includes a pressurizing member 41 and a connection pipe 42, the pressurizing member 41 being a water pump in this embodiment, the pressurizing member 41 being fixedly installed on the upper surface of the partition plate 3 by bolts; connecting tube 42 is the pipe of stainless steel material then, and connecting tube 42 one end and pressurization piece 41 intercommunication, the other end and settling zone 11 intercommunication to connecting tube 42 is close to and is provided with the interval between settling zone 11 one end and the bottom of settling zone 11, thereby makes pressurization piece 41 be difficult with the deposit suction in the sewage, and then makes the deposit be difficult for making pressurization piece 41 damage with the jam of pressurization piece 41.

Referring to fig. 1 and 2, the partition plate 3 is a square plate made of stainless steel, and in order to primarily filter impurities in the sewage discharged from the pressurizing member 41, a plurality of drop sills 8 connected in sequence are disposed at the upper end of the partition plate 3, each drop sill 8 includes a drop sill platform 81 and a drop sill cross section 82, the drop sill platform 81 is adjacent to and perpendicular to the drop sill cross section 82, wherein a planting groove 9 for planting water-filtered plants is disposed on the drop sill platform 81, the water-filtered plants are planted in the planting groove 9, and when the sewage gradually flows down on the drop sill 8, partial impurities in the sewage can be filtered by root systems of the water-filtered plants, so that the sewage after subsequent treatment can be cleaner.

Referring to fig. 1 and 3, a stirring assembly 6 for stirring the packing 5 and a rotary disk 7 for stirring the sewage are further provided in the decomposition zone 12, and in particular, the stirring assembly 6 includes; the device comprises a rotating shaft 61, a net cylinder 62 and a driving piece 63, wherein the rotating shaft 61 is a round rod made of stainless steel, two ends of the rotating shaft 61 are respectively and rotatably connected with the side wall of the decomposition area 12 through waterproof bearings, and one end of the rotating shaft 61 extends out of the decomposition area 12; the net cylinder 62 is a cylinder made of stainless steel, the net cylinder 62 is sleeved on the rotating shaft 61, two end ports of the net cylinder are respectively welded with a connecting plate to seal the end ports, the rotating shaft 61 penetrates through the connecting plates and is welded with the connecting plates, the filler 5 is filled in the net cylinder 62, and in the embodiment, the filler 5 is quartz particles.

Referring to fig. 1 and 3, the driving member 63 is disposed outside the treatment tank 1, and an installation block 102 for installing the driving member 63 is further fixedly disposed on the outer wall of the treatment tank 1, the installation block 102 is made of stainless steel and is L-shaped, one end of the installation block 102 is welded on the outer wall of the decomposition area 12, and the inner side of the bending part of the installation block 102 is far away from the bottom of the treatment tank 1; the driving member 63 is mounted inside the bent portion of the mounting block 102 by a bolt, and in this embodiment, the driving member 63 is a motor, and an output shaft of the driving member 63 is fixedly connected to one end of the rotating shaft 61 penetrating through the decomposing field 12 by a coupling.

Referring to fig. 1 and 3, the rotary disk 7 includes a rotary disk 71 and a plurality of shifting pieces 72, the rotary disk 71 is a disc made of plastic material, the rotary disk 71 is sleeved on the rotating shaft 61, and the rotary disk 71 is welded with the rotating shaft 61; the poking sheets 72 are square plates made of stainless steel, the poking sheets 72 are uniformly welded on the outer peripheral surface of the turntable 71 in a welding mode, one end of each poking sheet 72 is welded with the peripheral side surface of the turntable 71, and the other end of each poking sheet 72 extends in the direction away from the turntable 71; in addition, in the present embodiment, there are three net cylinders 62, two rotating disks 7 are provided, the three net cylinders 62 and the two rotating disks 7 are arranged along the axis of the rotating shaft 61, and the two rotating disks 7 are located between the three net cylinders 62, so that the rotating shaft 61 can uniformly stir the fillers 5 and the sewage during the rotation.

Referring to fig. 1 and 3, after sewage gets into decomposition area 12, just open driving piece 63, driving piece 63 passes through shaft coupling drive pivot 61 and rotates, pivot 61 then drives net section of thick bamboo 62 and rotary disk 7 and rotates, at this in-process, net section of thick bamboo 62 drives filler 5 and rotates, make filler 5 more easily with the sewage contact, rotary disk 7 then can make sewage stirred, thereby make sewage fully contact with the air, this kind of design, make the microorganism on the filler 5 can degrade the organic matter in the sewage better on the one hand, on the other hand can improve the dissolved oxygen concentration of sewage, thereby promote the oxygen-requiring microorganism to degrade the organic matter.

Referring to fig. 1 and 4, the water discharge pipeline 2 includes a first water discharge pipeline 21 and a second water discharge pipeline 22, one end of the first water discharge pipeline 21 is communicated with the decomposition area 12, the other end of the first water discharge pipeline is communicated with the disinfection tank 101, and a stop valve 10 is further disposed on the first water discharge pipeline 21, the stop valve 10 is used for controlling the on-off of the first water discharge pipeline 21, so that the stop valve 10 can be controlled, the decomposition area 12 can have enough time to decompose organic matters in the sewage, and then the preparation can be made for the subsequent disinfection tank 101 to perform disinfection treatment.

Referring to fig. 1 and 4, one end of the second drainage pipeline 22 is communicated with the disinfection tank 101, the other end is communicated with the outside, the second drainage pipeline 22 is further provided with an adsorption member 103, the adsorption member 103 is a nylon mesh bag filled with activated carbon, and the adsorption member 103 is adhered to the inner wall of the second drainage pipeline 22 in an adhesion manner, so that the river discharged into the river or lake is not easy to have the residue of the disinfectant; furthermore, the communication position of the second drainage pipeline 22 and the disinfection tank 101 is positioned below the communication position of the first drainage pipeline 21 and the disinfection tank 101, so that the water in the disinfection tank 101 cannot easily flow back into the first drainage pipeline 21.

The implementation principle of the sewage treatment system for treating rural sewage by using microorganisms in the embodiment of the application is as follows: when sewage is treated, firstly, sewage is poured into a settling area 11 of a treatment tank 1, after the sewage is settled for a period of time, a pressurizing piece 41 is started to pump the sewage onto a partition plate 3, so that the sewage gradually flows downwards along a falling threshold 8 on the partition plate 3, when the sewage flows into a decomposition area 12, a stop valve 10 is closed and a driving piece 63 is started, the driving piece 63 drives a rotating shaft 61 to rotate through a coupler, the rotating shaft 61 simultaneously drives a net cylinder 62 and a rotating disc 7 to rotate, microorganisms on a filler 5 decompose organic matters of the sewage in the process, the rotating disc 7 carries out aeration treatment on the sewage, after the sewage stays in the decomposition area 12 for a period of time, the stop valve 10 is opened, so that the sewage in the decomposition area 12 is discharged into a disinfection tank 101 through a first drainage pipeline 21 and is disinfected in the disinfection tank 101, then is discharged into the outside through a second drainage pipeline 22, compared with the sewage which is directly discharged into rivers or lakes after being settled only, this kind of design, the insoluble impurity of removing in the sewage earlier on the one hand, rethread microorganism carries out degradation to the organic matter in the sewage, and on the other hand can disinfect and adsorb partial remaining disinfectant to sewage after degradation to make the cleanliness factor of sewage obtain bigger promotion.

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 (8)

1. A sewage treatment system for treating rural sewage by using microorganisms is characterized in that: the device comprises a treatment tank (1) and a drainage pipeline (2), wherein a partition plate (3) is fixedly arranged in the treatment tank (1), the treatment tank (1) is divided into a settling zone (11) and a decomposition zone (12) by the partition plate (3), a communicating piece (4) is arranged on the partition plate (3), the communicating piece (4) is used for extracting precipitated sewage in the settling zone (11) to enter the decomposition zone (12), the settling zone (11) is used for carrying out precipitation pretreatment on the sewage, a filler (5) is arranged in the decomposition zone (12), and microorganisms used for organically decomposing the sewage in the settling zone (11) are adhered to the surface of the filler (5); one end of the drainage pipeline (2) is communicated with the decomposition area (12), and the other end is communicated with the outside.

2. The sewage treatment system for treating rural sewage by using microorganisms according to claim 1, wherein a stirring assembly (6) for stirring the filler (5) is further arranged in the decomposing field (12), and the stirring assembly (6) comprises: the device comprises a rotating shaft (61), a net drum (62) and a driving piece (63), wherein two ends of the rotating shaft (61) are respectively and rotatably connected with the side wall of the decomposition area (12); the net cylinder (62) is fixedly sleeved on the rotating shaft (61), and the filler (5) is filled in the net cylinder (62); the driving part (63) is arranged on the treatment pool (1), and the driving part (63) is used for driving the rotating shaft (61) to rotate around the axis of the rotating shaft.

3. The sewage treatment system for treating rural sewage by using microorganisms according to claim 2, wherein: the rotating shaft (61) is also fixedly sleeved with a turntable (71), and the diameter of the turntable (71) is larger than that of the net barrel (62).

4. The sewage treatment system for treating rural sewage by using microorganisms according to claim 3, wherein: the turntable (71) is fixedly provided with a shifting sheet (72), one end of the shifting sheet (72) is fixedly connected with the peripheral side surface of the turntable (71), and the other end of the shifting sheet extends in the direction far away from the turntable (71).

5. The sewage treatment system for treating rural sewage by using microorganisms according to claim 1, wherein: a plurality of falling sills (8) connected in sequence are arranged on the upper surface of the partition plate (3), and water-filtering plants are planted on the falling sills (8).

6. The sewage treatment system for treating rural sewage by using microorganisms according to claim 5, wherein: drop bank (8) including falling bank platform (81) and falling bank section (82), fall bank platform (81) and fall bank section (82) adjacent and mutually perpendicular, fall and be provided with planting groove (9) that are used for planting drainage plant on bank platform (81).

7. The sewage treatment system for treating rural sewage by using microorganisms according to claim 1, wherein: and a stop valve (10) is arranged at the drainage pipeline (2), and the stop valve (10) is used for controlling the on-off of the drainage pipeline (2).

8. The sewage treatment system for treating rural sewage by using microorganisms according to claim 7, wherein: one end of the drainage pipeline (2) far away from the decomposition area (12) is communicated with a disinfection tank (101).

Images