CN201458890U

CN201458890U - Domestic sewage treatment device

Info

Publication number: CN201458890U
Application number: CN200920046970XU
Authority: CN
Inventors: 石亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-07-05
Filing date: 2009-07-05
Publication date: 2010-05-12
Anticipated expiration: 2019-07-05

Abstract

A domestic sewage treatment device relates to the technology of environmental protection sewage treatment and comprises a multifunctional pretreatment water tank and a biological treatment system, wherein the pretreatment water tank has the functions of sludge collection and organism anaerobic nitration; the exhaust water of the pretreatment water tank flows into a water inlet pipe of the biological treatment system through a pipeline; sewage permeates into a coarse sand layer and a dirt layer through a water outlet hole of the water inlet pipe; organisms, ammonia nitrogen and phosphorus remain on the dirt layer and are absorbed and removed through plant roots; the sewage is filtered through a fine sand layer and the coarse sand layer; and then purified water flows through the water outlet pipe.

Description

A kind of sewage treatment unit

Technical field

The utility model relates to the processing of the little residential quarter sanitary sewage of a kind of environment protection sewage treatment technology, the especially water yield.

Background technology

For a long time, biomembrance process and activated sludge process are adopted in the processing of residential quarter sanitary sewage always.Sanitary sewage contacts with anaerobic and aerobic microorganism in microbial film or the active sludge, and by the microbial growth breeding, metabolism is with the organic matter removal in the water body.But the growth and breeding of aerobic microbiological need be used the blower fan air blast, for it provides secular, a large amount of oxygen.Fan operation need consume a large amount of electric energy, noise is very big during operation, environment is caused secondary pollution easily, active sludge is corrupt easily come-up when summer high temperature, microorganism is slowed down or stops growing during winter low temperature, remove organic ability as not heating and obviously descend the removal effect instability of ammonia nitrogen and phosphorus in actual motion.System is complicated operation in operational process, and running cost is higher.

The artificial swamp technology also is a technology commonly used in the sanitary sewage disposal, and it adopts the organism in the plant absorbing sewage, thereby makes water body purification.Because the artificial swamp technology is without the blower fan oxygen supply, simple to operate, running cost is cheap.But the artificial swamp floor space is big, and sewage permeates the ground easily, and the underground water capacity is easily caused secondary pollution, and frowziness gas is discharged during operation.

Summary of the invention

Existing big in order to overcome with blower fan consumed power in biomembrance process and the Wastewater Treated by Activated Sludge Process community life sewage process, easily cause sound pollution, pollutant removal instability, complicated operation, higher and the easy polluted underground water of artificial swamp technology of running cost, deficiency frowzy during operation.The utility model provides a kind of biomembrance process, activated sludge process and artificial swamp technological merit of having concurrently, and is simple to operate, and treatment effect is stable, and running cost is cheap, does not cause the residential quarter sewage treatment unit of secondary pollution.

The technical scheme that its technical problem that solves the utility model adopts is: at leading portion a multi-functional pretreatment pool is set, sewage is introduced into pretreatment pool, it at the bottom of the pond ladder type bucket, be used to collect mud, device is not provided with sludge sump in addition, when the mud in the ladder type bucket is too much, regularly get rid of. a stirrer is installed in the pre-treatment pond is used for stirring anaerobion and the sewage thorough mixing that mud makes mud, growth and breeding by anaerobion, metabolism, organism 25% to 30%. sewage in the degradable sewage stops 6 hours after piping enters biological treatment system in pretreatment pool, biological treatment system is that the absorption by being planted in the root system of plant between native system water inlet pipe and the rising pipe removes organic in the decontaminated water. flow to the inlet channel of biological treatment system through piping from the effusive sewage of pretreatment pool, inlet channel is arranged on below ground, be provided with hole above, sewage flows out from hole, by the outer coarse sands layer of water inlet pipe, dirt bed, sewage organic pollutant and odorous gas by dirt bed the time are trapped in the dirt bed by adsorption by soil, being changed into the required nutritive substance of its growth by root system of plant by plant absorbing removes from earth. and ammonia nitrogen in the sewage and phosphorus are the nutritive substances of plant-growth, after ammonia nitrogen and phosphorus enter dirt bed, can be absorbed by root system of plant fully. penetrate into the outer fine sand layer of rising pipe again through the sewage behind the dirt bed, coarse sands layer and rising pipe hole, flow in the rising pipe pipeline, effluxing or reuse by outlet conduit again. biological treatment system organic pollutant removal rate 50% to 60%. has organic matter removal and filtering function concurrently. and the total organic pollutant removal rate of multi-functional pre-treatment pond and biological treatment system is 75% to 90%. ammonia nitrogen and tp removal rate 95%. suspended contaminant clearances 80%. process germicidal treatment, water outlet can reach emission standard. as the need reuse, can add the sewage membrane treatment system at back segment further handles. in biological treatment system bottom with impervious barrier is set all around, preventing that sewage from permeating the ground. the ratio that the power consumption of biomembrance process and activated sludge process blower fan accounts for total electricity consumption is 55% to 60%, because this device is without the blower fan air blast, but 55% to 60% of save electricity, greatly reducing running cost. this device can combine with the afforestation of Residential areas is good, promptly save the floor space of waste disposal plant, saved the irrigation cost of afforestation again.

The beneficial effects of the utility model are, can reduce running cost, and simple to operate, stable, failure rate is low, can not cause secondary pollution.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is a principle schematic of the present utility model.

Fig. 2 is biological treatment system water inlet pipe of the present utility model and rising pipe schematic top plan view.

1 sewage water inlet pipe among the figure, 2 grids, 3 multi-functional pre-treatment ponds, 4 ladder type buckets, 5 stirrers, 6 multi-functional pre-treatment pond water outlets, 7 biological treatment system water inlet pipes, 8 water outlet holes, 9 water inlet pipe coarse sands layers, 10 dirt beds, 11 rising pipe fine sand layers, 12 rising pipe coarse sands layers, 13 rising pipe water-feeding holes, 14 rising pipes, 15 root systems of plant, 16 impervious barriers

Embodiment

In Fig. 1, sanitary sewage flows into from sewage water inlet pipe (1) earlier, flow into multi-functional pre-treatment pond (3) through grid (2), it at the bottom of the pond ladder type bucket (4), be used to collect mud, body lower central position, pond is installed a stirrer (5) and is used for stirring anaerobion and the sewage thorough mixing that mud makes mud, establish multi-functional pre-treatment pond water outlet (6) at the middle part, pond, sewage flows out from water outlet, flow into biological treatment system water inlet pipe (7), again by water outlet hole (8) the water inlet pipe coarse sands layer (9) of flowing through, dirt bed (10), organism and odorous gas are rested on dirt bed by adsorption by soil, are absorbed by root system of plant (15), and sewage is penetrated into rising pipe fine sand layer (11) rising pipe coarse sands layer (12) rising pipe water-feeding hole (13) again and flows into rising pipe (14).

In Fig. 1, biological treatment system water inlet pipe (7) is higher than (14) 35 centimetres of biological treatment system rising pipes, thick 5 centimetres of water inlet pipe coarse sands layer (9), thick 8 centimetres of rising pipe coarse sands layer (12), thick 15 centimetres of rising pipe fine sand layer (11), the distance between biological treatment system water inlet pipe (7) and the rising pipe (14) is 50 centimetres to 120 centimetres.In biological treatment system bottom with impervious barrier (16) is set all around, prevent that sewage from permeating the ground.

In Fig. 2, biological treatment system water inlet pipe system is made up of a house steward and Duo Gen water inlet pipe (7), porose above the water inlet pipe (7), the rising pipe system is made up of a house steward and Duo Gen rising pipe (14), porose above the rising pipe (14), be to be arranged in parallel from the angle of overlooking between water inlet pipe (7) and the rising pipe (14), biological treatment system is arranged a rising pipe (14) every a water inlet pipe (7).

Claims

1. a sewage treatment unit is arranged on the Residential areas, adopts biotechnology to handle sanitary sewage, and it is characterized in that: this device has a multi-functional pre-treatment pond (3), and there is a biological treatment system its back; Its top one side of described multi-functional pre-treatment pond has water-in, its opposite side has water outlet, water outlet is lower than water-in, body bottom, pond is a bucket, bucket is up big and down small trapezoidal, bucket top is connected with the pond body sidewall, and one in stirrer is arranged in the body of pond, and water outlet is connected with biological treatment system water inlet pipe (7); Described biological treatment system comprises biological treatment system water inlet pipe and rising pipe, the hole that water-in and water-out are arranged on its tube wall, tube wall has fine sand layer and coarse sands layer outward, impervious barrier is arranged at the side and the bottom of biological treatment system, be dirt bed between biological treatment system water inlet pipe and the rising pipe, plant on the dirt bed and be implanted with plant.

2. a kind of sewage treatment unit according to claim 1 is characterized in that: the body bottom, pond in described multi-functional pre-treatment pond (3) is ladder type (4).

3. a kind of sewage treatment unit according to claim 1 is characterized in that: described multi-functional pre-treatment pond (3) bottom center position in the body of pond has a stirrer (5).

4. a kind of sewage treatment unit according to claim 1 is characterized in that: the biological treatment system water inlet pipe (7) of described biological treatment system is higher than (14) 35 centimetres of rising pipes.

5. a kind of sewage treatment unit according to claim 1 is characterized in that: thick 5 centimetres coarse sands layer (9) is arranged outside the described biological treatment system water inlet pipe (7).

6. according to the described a kind of sewage treatment unit of claim 1, it is characterized in that: thick 8 centimetres coarse sands layer (12) is arranged outside the described rising pipe (14).

7. a kind of sewage treatment unit according to claim 1 is characterized in that: described rising pipe (14) coarse sands layer has thick 15 centimetres of fine sand layers (11) outward.

8. a kind of sewage treatment unit according to claim 1 is characterized in that: the biological treatment system water inlet pipe (7) and the distance between the rising pipe (14) of described biological treatment system are 50 centimetres to 120 centimetres.

9. a kind of sewage treatment unit according to claim 1 is characterized in that: on the tube wall of described biological treatment system water inlet pipe (7) porose (8).

10. a kind of sewage treatment unit according to claim 1 is characterized in that: on described rising pipe (14) tube wall porose (13).