CN214693766U

CN214693766U - Floating rural domestic sewage purification treatment system

Info

Publication number: CN214693766U
Application number: CN202120290270.6U
Authority: CN
Inventors: 梁志伟
Original assignee: Taishan Shengxin Environmental Protection Technology Co ltd
Current assignee: Taishan Shengxin Environmental Protection Technology Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-11-12
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a floating rural domestic sewage purification processing system, a serial communication port, it includes the processing section of intaking that corresponds with domestic sewage discharge port that sets up in pond or pond, the processing section of intaking includes biological floating bed filter equipment, the bacterial is put in and aeration oxygenation pipe, the biological floating bed filter equipment of water inlet is including floating bed and a plurality of biological activity carriers of suspension in floating bed, it plants aquatic plant's the superficial support to be provided with on the floating bed, the root system that utilizes biological activity carrier and plant bottom removes COD, ammonia nitrogen and suspended solid, it is up to standard to ensure that last play water is up to standard. The utility model discloses simple structure can get rid of COD, ammonia nitrogen and suspended solid to ensure that last play water is up to standard.

Description

Floating rural domestic sewage purification treatment system

Technical Field

The utility model relates to a press sewage treatment system technical field, more specifically relate to a floating rural domestic sewage purification treatment system.

Background

Rural domestic sewage contains a large amount of organic matters, such as cellulose, starch, saccharides, fat protein and the like; also frequently contain pathogenic bacteria, viruses and parasite eggs; chlorides, sulfates, phosphates, bicarbonates, and sodium, potassium, calcium, magnesium, and the like, of inorganic salts. It is characterized by high content of nitrogen, sulfur and phosphorus, and easy generation of malodorous substances under the action of anaerobic bacteria, and rural ponds or fish ponds often become the discharge and collection points of the domestic sewage. At present, the treatment technologies for rural domestic sewage treatment are applied at home and abroad, but the treatment technologies can be generally classified into two types from the process principle: the first is a natural treatment system, which utilizes the principles of soil filtration, plant absorption and microbial decomposition, also known as an ecological treatment system; the second category is biological treatment systems, which can be divided into aerobic biological treatment and anaerobic biological treatment. For example, the Chinese patent application No. 201220604835.4, entitled rural sewage treatment system, comprises a hydrolysis regulating tank for regulating the water concentration and water quantity of domestic sewage; the hydrolysis tank is filled with flexible plastic combined fillers which are arranged in an array manner, and PE filaments for microorganisms to inhabit are also arranged on the flexible plastic combined fillers; a contact oxidation tank for aerobic treatment of sewage; the aeration device is connected with the contact oxidation tank and provides sufficient oxygen for the contact oxidation tank; a sedimentation tank for removing the proliferated cells SS and water-insoluble phosphorus molecules after biochemical treatment; a denitrification treatment tank for performing denitrification treatment on the treated sewage; the hydrolysis adjusting tank, the hydrolysis tank, the contact oxidation tank, the sedimentation tank and the denitrification tank are communicated in sequence through pipelines. The patent can effectively eliminate the odor, but has the disadvantages of large required capital investment, basically fixed position of the filling materials in the pool, immobility and high operation cost.

Disclosure of Invention

The utility model aims at solving the defects of the prior art and providing a rural domestic sewage purification treatment system which has simple structure, less investment of required capital construction, good effluent quality, low operation energy consumption and less operation cost.

The utility model discloses an adopt following technical solution to realize above-mentioned purpose:

the utility model provides a floating rural domestic sewage purification processing system, its characterized in that, it includes the processing section of intaking that sets up and domestic sewage discharge port in pond or pond, the processing section of intaking includes biological floating bed filter equipment, bacterial is put in and aeration oxygenation pipe, the biological floating bed filter equipment of water inlet includes floating bed and a plurality of biological activity carriers of suspension on floating bed, be provided with the chinampa of planting aquatic plant on the floating bed, utilize biological activity carrier and the root system of plant bottom to remove COD, ammonia nitrogen and suspended solid, in order to ensure that final water outlet is up to standard.

As a further explanation of the above scheme, a fixed base is arranged below the floating bed, a pull rope is arranged on the fixed base, and the floating bed is connected to the pull rope and used for realizing the positioning of the floating bed; fixing one end of a cable on the outer frame of the floating bed, fixing the other end of the cable on a fixed base, and fixing the fixed base at the bottom of the pond; the equipment floats on the water surface, floats along with the water level, is convenient to install and is not influenced by the water level.

Preferably, the fixed base is a cement block.

Furthermore, the floating bed comprises an outer frame and an inner frame which are connected with the floating island into a whole; the biological activity carrier is suspended on the outer frame and the inner frame.

Furthermore, the inner frame and the outer frame are mainly composed of PVC pipes and can float up and down along with the water level.

Furthermore, the biological active carrier adopts biological filler and/or biological rope and/or artificial aquatic weed, which can degrade solid organic matters into soluble matters and macromolecular organic matters into micromolecular matters.

Further, it still includes photovoltaic water clarifier, and the bacterial is put in and aeration oxygenation pipe is provided with branch pipeline one and extends to photovoltaic water clarifier below.

Furthermore, the device also comprises a water outlet treatment part, wherein the water outlet treatment part has the same structure as the water inlet treatment part and comprises a water outlet biological floating bed filtering device arranged in front of the purified flood discharge port.

Furthermore, the device also comprises a plurality of biological floating bed filtering devices III arranged in the pond or the fish pond, and the strain feeding and aeration oxygenation pipe is provided with a branch pipeline III which extends to the lower part of the biological floating bed filtering devices III.

The utility model adopts the beneficial effect that above-mentioned technical solution can reach is:

the utility model adopts the water inlet treatment part which is arranged in the pond or the fish pond and corresponds to the domestic sewage discharge port to carry out pretreatment on the aeration of the inflowing sewage, thereby providing living environment for microorganisms, achieving the effect of self-rapid propagation and treatment and reducing the concentration of pollutants; the biodegradability of the sewage can be improved after the sewage is hydrolyzed and acidified, the pH value of the sewage is reduced, the sludge yield is reduced, and favorable conditions are created for subsequent aerobic biological treatment; the hydrolytic acidification is arranged, so that the removal effect of the whole system on organic matters and suspended matters can be improved, the organic load of the aerobic system is reduced, and the energy consumption of the whole system is greatly reduced compared with that of the aerobic system which is used alone; meanwhile, the biological oxidation and the interception of suspended solids are integrated, and the device has the characteristics of large volume load and hydraulic load, short hydraulic retention time, less required capital investment, good effluent quality, low operation energy consumption and low operation cost; the sewage passes through the biological active carrier, pollutants contained in the water body are intercepted by the biological active carrier and are degraded and converted by the organisms attached to the biological active carrier, meanwhile, dissolved organic matters and specific substances are also removed, the generated sludge is retained in the biological active carrier, and only purified water passes through the biological active carrier, so that complete biological treatment can be achieved in a closed reactor without arranging a secondary sedimentation tank for sludge sedimentation at the downstream.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural diagram of a biological floating bed filtering device;

FIG. 4 is a schematic structural diagram of a biological floating bed filtering device;

fig. 5 is a schematic structural view of a water outlet biological floating bed filtering device.

Description of reference numerals: 1. the device comprises a pond or a fishpond 2, a domestic sewage discharge port 3, a water inlet biological floating bed filtering device 3-1, a floating bed 3-11, an outer frame 3-12, an inner frame 3-2, a biological activity carrier 3-3, a floating island 4, a strain feeding and aeration oxygenation pipe 4-1, a branch pipeline I4-2, a branch pipeline II 5, a fixed base 6, a pull rope 7, a water outlet biological floating bed filtering device 8, a photovoltaic water body purifier 9, a biological floating bed filtering device III 10 and a flood discharge port.

Detailed Description

The technical solution is described in detail with reference to specific embodiments below.

As shown in fig. 1-5, the utility model relates to a floating rural domestic sewage purification processing system, it includes the treatment section of intaking that sets up in pond or pond 1 and correspond with domestic sewage discharge port 2, the treatment section of going out before the flood discharge mouth after purifying, the treatment section of intaking includes biological floating bed filter equipment 3, bacterial is put in and aeration oxygenation pipe 4, biological floating bed filter equipment 3 of water inlet includes floating bed 3-1 and a plurality of biological activity carriers 3-2 of suspension on the floating bed, be provided with the chinampa 3-3 of planting aquatic plant on the floating bed, utilize the root system of biological activity carrier and plant bottom to remove COD, ammonia nitrogen and suspended solid, in order to ensure that final play water is up to standard. The lower part of the floating bed is provided with a fixed base 5, a pull rope 6 is arranged on the fixed base, and the floating bed is connected to the pull rope and used for realizing the positioning of the floating bed. In the embodiment, the fixed base adopts a fixed cement block; the bioactive carrier adopts a biological filler form, can degrade solid organic matters into soluble substances, and degrade macromolecular organic matters into micromolecular substances. The strain can be put in the strain putting and aeration oxygen increasing pipe, the sewage can effectively remove about 35 percent of COD and BOD5 under the facultative function of the pretreatment system, the removal rate of ammonia nitrogen can reach 10 percent, and the removal rate of suspended matters can reach 40 percent. The length of the biological filler suspended on the floating bed is 60 cm, the area of the biological filler is about 7.02m, the effective water depth is 60 cm, and the sewage retention time is about 10 h; the floating support specification of the floating island is that the dn of a snowflake sheet is approximately equal to 120 mm. The plant root system can adsorb ammonia nitrogen, total phosphorus and the like, thereby reducing COD in water. It is noted that the biological filler can be replaced by biological ropes and artificial aquatic weeds. The floating bed 3-1 comprises an outer frame 3-11 and an inner frame 3-12 which are connected with the floating island 3-3 into a whole; the biological activity carrier is suspended on the outer frame and the inner frame; the biological activity carrier is suspended on the outer frame and the inner frame. The inner frame and the outer frame are mainly composed of PVC pipes and can float up and down along with water level.

During the treatment, the operation of hydrolytic acidification is as follows: the anaerobic fermentation process can be divided into four stages: a hydrolysis stage, an acidification stage, an acid degradation stage and a methanation stage. In hydrolytic acidification, the reaction process is divided into two stages, hydrolysis and acidification. In the hydrolysis stage, the biological filler can degrade solid organic matters into soluble substances and degrade macromolecular organic matters into micromolecular substances. During the acidogenic stage, carbohydrates and other organic compounds are degraded into organic acids, mainly acetic acid, butyric acid and propionic acid. The hydrolysis and acidification reactions proceed relatively quickly and are often difficult to separate. The main microorganism at this stage is the hydrolytic acidifier. Stability of hydrolytic acidification: the hydrolytic acidification has stronger impact load resistance, and can still ensure that the effluent is 200mg/l when the COD of the influent is 1000mg/l, thereby playing a good role in buffering; the retention time of the hydrolytic acidification sewage is short, and the operation cost is low. Low rated cost, low energy consumption and high sludge hydrolysis rate. Therefore, the stability and economy of hydrolytic acidification is much higher than other pretreatment processes.

Furthermore, the water outlet treatment part and the water inlet treatment part have the same structure and comprise a water outlet biological floating bed filtering device 7 arranged in front of the purified flood discharge port 10, a photovoltaic water body purifier 8 and a plurality of biological floating bed filtering devices III 9 are also arranged in the pond or the fishpond, and the strain throwing and aeration oxygenation pipe is provided with a branch pipeline I4-1 which extends to the lower part of the photovoltaic water body purifier; the strain feeding and aeration oxygenation pipe is provided with a branch pipeline II 4-2 which extends to the lower part of a biological floating bed filtering device III 9.

Compared with the prior art, the utility model provides living environment for the microorganism, achieves the effect of self-rapid propagation and treatment, and reduces the concentration of pollutants; the biodegradability of the sewage can be improved after the sewage is hydrolyzed and acidified, the pH value of the sewage is reduced, the sludge yield is reduced, and favorable conditions are created for subsequent aerobic biological treatment. Meanwhile, the filler is hung on the floating bed and can intercept particles, oil stains and the like in sewage along with the elevation of water level, biological oxidation and interception of suspended solids are integrated, and the floating bed has the characteristics of large volume load and hydraulic load, short hydraulic retention time, less required capital investment, good quality of effluent water, low operation energy consumption and low operation cost.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.

Claims

1. A floating rural domestic sewage purification treatment system is characterized by comprising a water inlet treatment part which is arranged in a pond or a fishpond and corresponds to a domestic sewage discharge port, wherein the water inlet treatment part comprises a biological floating bed filtering device and a strain feeding and aeration oxygenation pipe, the biological floating bed filtering device at the water inlet comprises a floating bed and a plurality of biological active carriers which are suspended on the floating bed, and a floating island for planting aquatic plants is arranged on the floating bed.

2. The rural domestic sewage purification treatment system of claim 1, wherein a fixed base is arranged below the floating bed, a pull rope is arranged on the fixed base, and the floating bed is connected to the pull rope.

3. The rural domestic sewage purification treatment system of claim 1, wherein the floating bed comprises an outer frame and an inner frame which are connected with the floating island into a whole; the bioactive carrier is suspended on the outer frame and/or the inner frame.

4. The rural domestic sewage purification treatment system of claim 3, wherein the inner frame and the outer frame are mainly made of PVC pipes and can float up and down along with water level.

5. The rural domestic sewage purification treatment system of claim 1, wherein the bioactive carrier is a biological filler and/or a biological rope, and/or an artificial water plant.

6. The rural domestic sewage purification treatment system of claim 1, further comprising a photovoltaic water purifier, wherein the strain feeding and aeration oxygenation pipe is provided with a branch pipeline extending to the lower part of the photovoltaic water purifier.

7. The rural domestic sewage purification treatment system of claim 1, further comprising an effluent treatment section, wherein the effluent treatment section has a structure consistent with that of the influent treatment section, and comprises a water outlet biological floating bed filtering device arranged in front of the flood discharge port after purification.

8. The rural domestic sewage purification treatment system of claim 1, further comprising a plurality of third biological floating bed filtering devices arranged in the pond or the fish pond, wherein the strain feeding and aeration oxygenation pipe is provided with a branch pipeline II extending to the lower part of the third biological floating bed filtering device.