CN109761377A

CN109761377A - A kind of back water well formula country sewage bleeds back processing device and method

Info

Publication number: CN109761377A
Application number: CN201910236745.0A
Authority: CN
Inventors: 戚伟康; 彭永臻; 施棋; 王聪
Original assignee: Beijing University of Technology
Current assignee: Beijing University of Technology
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2019-05-17
Anticipated expiration: 2039-03-27
Also published as: CN109761377B

Abstract

Back water well formula country sewage of the invention bleeds back processing unit, including drum, keg, water inlet pipe, overflow pipe, water distributing plate and water distributor, is provided with water inlet pipe and overflow pipe on drum；Water distributing plate is located in keg internal cavities, and filter packing is filled with above water distributing plate；The lower end of water distributor passes through water distributing plate and stretches in cloth water chamber, water distributing pore is offered on water distributing plate, drum offers water seepage hole.Sewage water treatment method of the invention, comprising: a) selection of filler and loading；B) processing unit is embedded；C) filtering of sewage；D) purification of sewage；E) sewage is bled back.Sewage-treatment plant and method of the invention, filtering of the sewage through filler, realize the absorption of the filtering of suspended particulate substance and nitrogen P elements in sewage, treated, and sewage flows into soil through water seepage hole, it is set to bleed back to underground and enter in natural environment, it is directly used for the animals and plants in environment, has the advantages that economic, efficient, energy conservation and environment are very friendly.

Description

A kind of back water well formula country sewage bleeds back processing device and method

Technical field

The present invention relates to a kind of sewage-treatment plant and methods, more specifically, more particularly to a kind of back water well formula rural area Sewage bleeds back processing device and method.

Background technique

China rural area area is vast, and rural sewage treatment is current urgent problem, and most sanitary sewages are all It is unprocessed and arbitrarily discharge, cause irrigation canals and ditches and pond water quality black foul, mosquito breeds, seriously affected resident living environment And health, while will cause drinking water source pollution and lake river eutrophication.Due to each place water quality difference, cause Identical sewage disposal device is also different to the treatment effect of different quality, when effluent quality is bad, it is often necessary into one The advanced treating of step can just make processing water up to standard.

Simultaneously as more and more domestic sewage in rural areas using discharging modes are concentrated, cause the supply of underground water insufficient, It is unfavorable for the circulation supply of rural groundwater, good living environment cannot be provided to animals and plants, if sanitary sewage can be filled Divide and use, penetrates into after being purified to underground, it will be resolved this problem.

The present invention relates to by two bucket combined structures of different sizes, and heterogeneity filler is added into keg, reach The purpose of advanced treating is carried out to sewage after the processing of different quality.It is intended to and invents a kind of economic, efficient, energy saving and simplicity Easy advanced treatment of wastewater equipment.

Summary of the invention

The present invention in order to overcome the shortcomings of the above technical problems, provides a kind of back water well formula country sewage and bleeds back processing dress It sets and method.

Back water well formula country sewage of the invention bleeds back processing unit, its special feature is that: including drum, keg, into Water pipe, overflow pipe, water distributing plate and water distributor, drum, keg upper end be open, keg is set among drum, drum upper end Side be connected with water inlet pipe, the other side is connected with overflow pipe；Water distributing plate is fixed on the lower part of keg internal cavities, water distributing plate with Cloth water chamber is formed between the bottom of keg, and filter packing is filled in the small barrel cavity above water distributing plate；It wears the lower end of water distributor It crosses water distributing plate to stretch in cloth water chamber, the upper end of water distributor is connected with water inlet pipe, and offering on water distributing plate makes in cloth water chamber Sewage flows into the water distributing pore in filter packing, offer on the bottom wall and side wall of drum the sewage that makes that treated protrude into soil it In water seepage hole.

Back water well formula country sewage of the invention bleeds back processing unit, and the aperture of the water distributing pore on the water distributing plate was less than Filter the partial size of filler.

Back water well formula country sewage of the invention bleeds back processing unit, by the nitrogen member for the domestic sewage in rural areas that water inlet pipe enters When element and P elements are up to standard, the filter packing is haydite and/or the stone grains of sand；When the domestic sewage in rural areas entered by water inlet pipe Nitrogen and when P elements not up to standard, the filter packing is the homogeneous mixture of pyrite particle and limestone particle.

Back water well formula country sewage of the invention bleeds back processing unit, and the height of the overflow pipe is lower than the height of water inlet pipe Degree.

Back water well formula country sewage of the invention bleeds back processing unit, and the water distributor is L shape, and the upper end of water distributor is through just It is connected in the connecting flange of dismounting with water inlet pipe.

Back water well formula country sewage of the invention bleeds back processing unit, is fixed with branch on the bottom wall of the drum internal cavities Fagging, keg are fixed in support plate.

Back water well formula country sewage of the invention bleeds back processing unit, and the diameter of the water seepage hole opened up on the drum is 1~3cm.

Back water well formula country sewage of the invention bleeds back processing unit, and one is filled between the outer wall and soil of the drum The filling stone that layer avoids soil from resulting in blockage water seepage hole.

Back water well formula country sewage of the invention bleeds back the processing method of processing unit, which is characterized in that passes through following step It is rapid to realize:

A) selection of filler and loading, when nitrogen and phosphorus element is up to standard in sanitary sewage to be processed, filter packing selects haydite And/or the stone grains of sand, when nitrogen and phosphorus element is not up to standard in sanitary sewage, the filler that comes selects pyrite particle and lime stone The homogeneous mixture of grain；It will be in the filter packing filling keg of selection；B) processing unit is embedded, first in suitable position The heavy hole for accommodating drum is dug out on soil, and is laid with side stone in the bottom in heavy hole, and then drum is put into heavy hole, and protects Card water inlet pipe, overflow pipe are located on ground；Then one layer of stone is filled in the surrounding of drum, it is finally that water inlet pipe and life is dirty Water pipe is connected, and overflow pipe is connected with gutter, river or pond, realizes the embedded of sewage-treatment plant；C) sewage Filtering, sewage to be processed are successively flow in cloth water chamber through water inlet pipe, water distributor, and uniform point then through water distributing pore on water distributing plate Effect is dissipated, makes its uniform flow through filter packing；Filter packing realizes the retention and filtering to suspended particulate substance in sewage；D) is dirty The purification of water, meanwhile, the microorganism bred in filter packing carries out the nitrogen P elements in sewage by the needs of own growth Phosphate anion form is absorbed or is converted to, the phosphate of generation can be reacted with iron ion and calcium ion generates calcium phosphate precipitation simultaneously It is adsorbed onto former filler, and reaches sewage purification；E) sewage is bled back, and sewage is after the filtering of filler and purification, through keg Upper end opening flow into drum in；Water flows down Shi Huiyu air along keg barrel and comes into full contact with, and the dissolved oxygen in water can be just at this time Step increases, and keeps water quality more preferable；Water slowly permeates the ground through the water seepage hole on drum and enters in natural environment, directly in environment Animals and plants use；When water penetration speed be less than water intake velocity when water can be directly discharged to by overflow pipe gutter, river or In pond.

The beneficial effects of the present invention are: rural domestic sewage treating device and method of the invention, by being set in drum Keg is set, water distributing plate and filter packing are set in keg, water seepage hole is opened up on the outer wall of drum, so that life to be processed The removing to suspended particulate substance in sewage and small solid particles object is realized in filtering of the sewage through filler, while being bred in filler Microorganism can absorb nitrogen P elements in sewage, realize the removal of nitrogen and phosphorus element in sewage；Treated sewage is through drum On water seepage hole flow into soil in, make its bleed back to underground and enter natural environment in, directly in environment animals and plants use, Not only realized the processing to domestic sewage in rural areas, but also realized sewage and bleed back to underground reuse, have it is economical, efficiently, energy conservation and The very friendly advantage of environment.

Detailed description of the invention

Fig. 1 is the structural schematic diagram that back water well formula country sewage of the invention bleeds back processing unit；

Fig. 2 is the use schematic diagram that back water well formula country sewage of the invention bleeds back processing unit.

In figure: 1 drum, 2 kegs, 3 water inlet pipes, 4 overflow pipes, 5 water distributing plates, 6 cloth water chambers, 7 water distributors, 8 filter packings, 9 Water distributing pore, 10 water seepage holes, 11 connecting flanges, 12 support plates, 13 sanitary sewers, 14 filling stones, 15 soils, 16 gutters.

Specific embodiment

The invention will be further described with embodiment with reference to the accompanying drawing.

As shown in Figure 1, the structural schematic diagram that back water well formula country sewage of the invention bleeds back processing unit is given, by Drum 1, keg 2, water inlet pipe 3, overflow pipe 4, water distributing plate 5, water distributor 7, filter packing 8 form, shown in drum 1 and keg 2 Upper end be open, keg 2 is located in drum 1, and water inlet pipe 3, overflow pipe 4 are respectively arranged at the two sides of 1 upper end of drum, to be processed Domestic sewage in rural areas flowed into through water inlet pipe 3；The height of overflow pipe 4 is slightly below the height of water inlet pipe 3, flows into when sanitary sewage Measure it is excessive, when treated sewage is not enough to infiltrate into external soil through the water seepage hole 10 on drum 1, extra sewage warp Overflow pipe 4 flows into gutter 16, river or pond.Using the form of coaxial arrangement, the bottom of drum 1 is set for keg 2 and drum 1 It is equipped with support plate 12, support plate 12 realizes the supporting role to keg 2, so as to have between keg 2 and the bottom wall of drum 1 certain Space length.

Shown water distributing plate 5 is fixed on the lower part of 2 internal cavities of keg, and water distributing plate 5 is at horizontality, water distributing plate 5 and keg 2 Bottom wall between formed cloth water chamber 6；It is uniformly provided with water distributing pore 9 on water distributing plate 5, is filled in 2 cavity of keg of 5 top of water distributing plate There is filter packing 8, in order to avoid filter packing 8 enters in cloth water chamber 6 through water distributing pore 9, the aperture of water distributing pore 9 is less than filtering and fills out The partial size of material 8.The upper end of shown water distributor 7 is connected with water inlet pipe 3, and the lower end of water distributor 7 passes through filter packing 8 and water distributing plate After 5, stretch in cloth water chamber 6.In this way, sanitary sewage to be processed successively enters in cloth water chamber 6 through water inlet pipe 3, water distributor 7 Afterwards, by water distributing plate 5 water distributing pore 9 water distribution uniformity act on, sewage can uniform flow through in filter packing 8.

Shown in drum 1 bottom wall and side wall on be uniformly provided with water seepage hole 10, when treated sewage is from the upper of keg 2 After end opening outflow, it can enter in the cavity between keg 2 and drum 1, then be oozed out through water seepage hole 10.Water seepage hole 10 it is straight Diameter is 1~3cm, preferably 2cm, and the distance between adjacent water seepage hole 10 is advisable with 10cm.In use, outside in order to avoid drum 1 The soil enclosed enters in drum 1 through water seepage hole 10, and the periphery of drum 1 is provided with one layer of filling stone 14, and filling stone 14 is not Only soil and water seepage hole 10 are kept apart, and also greatly increase sewage from water seepage hole 10 outflow after with the contact in soil 15 Area, being conducive to that treated, sewage is extend among soil.

Shown in filter packing 8 should be chosen according to the situation for the treatment of sewage, when domestic sewage in rural areas to be processed Nitrogen and when P elements up to standard, the filter packing 8 is haydite and/or the stone grains of sand；Using haydite and/or the stone grains of sand When being filtered to sewage, suspended particulate and some other small solid particles substance in water can be attached on these fillers and reach To the effect of removal sewage by suspended particle, and then make water outlet more clear.

When the nitrogen of domestic sewage in rural areas and P elements not up to standard, the filter packing 8 is pyrite particle and stone The homogeneous mixture of limestone particles；Pyrite particle need to be uniformly mixed with limestone particle and generate after pyrite to avoid water Acid cannot handle in time；The partial size of pyrite is 1~3mm, if too small be easy through water distributing pore 9, is connect if can reduce greatly very much Contacting surface is long-pending and causes treatment effect bad, and this filler can breed the microorganism of different role, after sewage enters, these microorganisms It can be needed by the growth of itself, be absorbed or be converted to phosphate anion form to the nitrogen P elements in sewage, generation Phosphate can be reacted with iron ion and calcium ion to be generated calcium phosphate precipitation and is adsorbed onto former filler, and reaches the effect of sewage purification Fruit.

As shown in Fig. 2, the schematic diagram that uses that back water well formula country sewage of the invention bleeds back processing unit is given, use When, water inlet pipe 3 is connected with sanitary sewer 13, and overflow pipe 4 is communicated with gutter 16, river or pond.It passes through following step It is rapid to realize:

A) selection of filler and loading, when nitrogen and phosphorus element is up to standard in sanitary sewage to be processed, filter packing (8) selects pottery Grain and/or the stone grains of sand, when nitrogen and phosphorus element is not up to standard in sanitary sewage, the filler that comes selects pyrite particle and lime stone The homogeneous mixture of particle；It will be in filter packing filling keg (2) of selection；

B) processing unit is embedded, digs out the heavy hole for accommodating drum on the soil of suitable position (15) first, and in heavy hole Bottom is laid with side stone, then drum is put into heavy hole, and guarantee that water inlet pipe (3), overflow pipe (4) are located on ground； Then one layer of stone is filled in the surrounding of drum, finally water inlet pipe is connected with sanitary sewer (13), by overflow pipe and row Ditch, river or pond are connected, and realize the embedded of sewage-treatment plant；

C) filtering of sewage, sewage to be processed is successively flow in cloth water chamber through water inlet pipe, water distributor, then through on water distributing plate The evenly dispersed effect of water distributing pore, makes its uniform flow through filter packing；Filter packing realization cuts suspended particulate substance in sewage It stays and filters；

D) purification of sewage, meanwhile, the microorganism bred in filter packing is by the needs of own growth, to the nitrogen in sewage P elements are absorbed or are converted to phosphate anion form, and the phosphate of generation can be reacted with iron ion and calcium ion generates phosphorus Hydrochlorate is precipitated and is adsorbed onto former filler, and reaches sewage purification；

E) sewage is bled back, and after the filtering of filler and purification, the upper end opening through keg flows into drum sewage；Water edge Keg barrel flows down Shi Huiyu air and comes into full contact with, and the dissolved oxygen in water can tentatively increase at this time, keeps water quality more preferable；Water is through drum On water seepage hole slowly permeate the ground and enter natural environment in, directly in environment animals and plants use；

When water penetration speed is less than water intake velocity, water can be directly discharged in gutter, river or pond by overflow pipe.

Back water well formula country sewage of the invention bleeds back processing device and method, mainly carries out processed water into one The advanced treating of step, it can also be used to which the processing of average family domestic water and the lighter sewage of some other pollution level are used Water water quality is more preferable and what is more trusted be discharged into natural environment.

Claims

1. a kind of back water well formula country sewage bleeds back processing unit, it is characterised in that: including drum (1), keg (2), water inlet pipe (3), overflow pipe (4), water distributing plate (5) and water distributor (7), drum, keg upper end be open, keg is set among drum, The side of drum upper end is connected with water inlet pipe (3), and the other side is connected with overflow pipe (4)；Water distributing plate is fixed on keg internal cavities Lower part, form cloth water chamber (6) between water distributing plate and the bottom of keg, filled out in the small barrel cavity above water distributing plate filled with filtering Expect (8)；The lower end of water distributor passes through water distributing plate and stretches in cloth water chamber, and the upper end of water distributor is connected with water inlet pipe, water distributing plate On offer the water distributing pore (9) for flowing into the sewage in cloth water chamber in filter packing, offer on the bottom wall and side wall of drum The sewage that makes that treated protrudes into the water seepage hole (10) among soil (15).

2. back water well formula country sewage according to claim 1 bleeds back processing unit, it is characterised in that: the water distributing plate (5) aperture of the water distributing pore (9) on is less than the partial size of filter packing (8).

3. back water well formula country sewage according to claim 1 or 2 bleeds back processing unit, it is characterised in that: by water inlet pipe (3) when the nitrogen and P elements up to standard of the domestic sewage in rural areas entered, the filter packing (8) is that haydite and/or stone are husky Grain；When the nitrogen of the domestic sewage in rural areas entered by water inlet pipe and P elements not up to standard, the filter packing is pyrite The homogeneous mixture of particle and limestone particle.

4. back water well formula country sewage according to claim 1 or 2 bleeds back processing unit, it is characterised in that: the spilling water The height for managing (4) is lower than the height of water inlet pipe (3).

5. back water well formula country sewage according to claim 1 or 2 bleeds back processing unit, it is characterised in that: the water distribution Managing (7) is L shape, and the upper end of water distributor is connected through easy-to-mount connecting flange (11) with water inlet pipe (3).

6. back water well formula country sewage according to claim 1 or 2 bleeds back processing unit, it is characterised in that: the drum (1) it is fixed on the bottom wall of internal cavities support plate (12), keg (2) is fixed in support plate.

7. back water well formula country sewage according to claim 1 or 2 bleeds back processing unit, it is characterised in that: the drum (1) diameter of the water seepage hole (10) opened up on is 1~3cm.

8. back water well formula country sewage according to claim 1 or 2 bleeds back processing unit, it is characterised in that: the drum (1) one layer of filling stone (14) for avoiding soil from resulting in blockage water seepage hole (10) is filled between outer wall and soil (15).

9. a kind of processing method for being bled back processing unit based on back water well formula country sewage described in claim 1, feature are existed In being realized by following steps: