Enhanced biological low-carbon water purification system

Abstract

The utility model belongs to the technical field of sewage treatment, and particularly relates to an enhanced biological low-carbon water purification system which comprises a front-end pretreatment and compound microorganism domestication subsystem, a filler microorganism fixed bed water purification subsystem and a soil filler percolation purification microorganism remediation subsystem, the front-end pretreatment and compound microorganism domestication subsystem comprises a resident group, a three-stage septic tank and a grating adjusting tank, the filler microorganism fixed bed water purification subsystem comprises an EMR purification tank, and the soil filler percolation purification microorganism remediation subsystem comprises a soil permeation area. The resident group, the three-stage septic tank, the grid adjusting tank, the EMR purification tank and the soil permeation area are connected in sequence. According to the utility model, a low-carbon ecological management and control technology is applied, nitrogen and phosphorus resources are recycled, water resources are reused, the energy consumption and the cost of rural sewage treatment are reduced, the stability and the maintainability are improved, and the pollution load is reduced from the source; meanwhile, the water pollution absorption capacity is enhanced, and a long-acting self-cleaning mechanism is formed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sewage treatment technical field, concretely relates to a kind of enhanced biological low carbon water purification system. BACKGROUND

[0002] Rural environmental pollution control is the key task of beautiful countryside construction, and is an important measure to comprehensively promote the construction of beautiful China. However, the current rural water environment treatment still adopts the mode of traditional urban sewage treatment, resulting in high operation energy consumption, high cost and high maintenance requirement, which cannot meet the actual needs of decentralized rural sewage treatment. In addition, the single point source treatment mode lacks consideration of the complexity of rural water environment problems, and cannot systematically solve the problem of rural water environmental pollution.

[0003] In view of the above key problems, the present application develops a low-carbon and efficient, easy-to-maintain enhanced biological low-carbon water purification system for effective disposal of rural sewage and improvement of water environment quality.

[0004] The present application provides a new solution to the current rural water environmental pollution problem, and the integrated technology and equipment formed meet the urgent needs of rural water pollution collaborative governance and resource utilization, and have wide application prospect and marketization potential in the rural water pollution control industry.

[0005] The information disclosed in the background section of this specification is intended only to increase an understanding of the general context of the present application, and should not be taken as an acknowledgement or implication that this information constitutes prior art that is already known in the art. CONTENT OF THE UTILITY MODEL

[0006] The present application aims to solve the above technical problems and provides an enhanced biological low-carbon water purification system, which mainly solves the problem that the current rural water environment treatment still adopts the mode of traditional urban sewage treatment, resulting in high operation energy consumption, high cost and high maintenance requirement, which cannot meet the actual needs of decentralized rural sewage treatment. In addition, the single point source treatment mode lacks consideration of the complexity of rural water environment problems, and cannot systematically solve the technical problem of rural water environmental pollution.

[0007] To achieve the above purpose, the technical scheme of the present application is as follows:

[0008] An enhanced biological low-carbon water purification system, comprising a front-end pretreatment and composite microbial domestication subsystem, a filler microbial fixed-bed water purification subsystem and a soil filler infiltration purification microbial repair subsystem,

[0009] The front-end pretreatment and composite microorganism domestication subsystem comprises a household group, a three-stage septic tank and a grid adjustment tank, the filler microorganism fixed bed water purification subsystem comprises an EMR purification tank, the soil filler infiltration purification microorganism repair subsystem comprises a soil infiltration area, and the household group, the three-stage septic tank, the grid adjustment tank, the EMR purification tank and the soil infiltration area are sequentially connected.

[0010] Preferably, the EMR purification tank is internally and separately provided with purification area one, purification area two and purification area three, the purification area one and the purification area two are respectively provided with iron-carbon micro-electrolysis filler and red mud porous sintered filler,

[0011] The adjacent two of the purification area one, the purification area two and the purification area three are provided with a circulating gas port and a water passing port, the purification area one is provided with a water inlet port and is connected with the grid adjustment tank through the water inlet port, and the purification area three is provided with an air blower and a water outlet port and is connected with the soil infiltration area through the water outlet port.

[0012] Preferably, the purification area one and the purification area two are both provided with an inspection port.

[0013] Preferably, the purification area one is provided with a gas permeation port.

[0014] Preferably, the soil infiltration area is sequentially provided with a broken stone filling layer, a red mud porous sintered filler filling layer, a zeolite filling layer, a coarse sand filling layer and an organic clay filling layer from bottom to top,

[0015] The zeolite filling layer is provided with a distribution water supplementing pipe, and the distribution water supplementing pipe is connected with the water outlet port.

[0016] Preferably, the system further comprises a composite microorganism domestication tank, and the composite microorganism domestication tank is connected with the grid adjustment tank.

[0017] Due to the adoption of the above technical scheme, the present application has the following beneficial effects:

[0018] 1. The present application provides a kind of enhanced biological low carbon water purification system, using low carbon ecological management and control technology, realize nitrogen and phosphorus resource recycling and water resource reuse, reduce the energy consumption, cost of rural sewage treatment, improve stability and easy maintenance, reduce pollution load from source;At the same time, enhance water pollution absorption capacity, form long-acting self-cleaning mechanism.

[0019] 2, the whole process uses composite microorganism as the core of culture domestication, energy saving and environmental protection, low carbon, easy to operate sewage treatment technology and multi-dimensional micro-ecological rural soil repair technology.

[0020] 3. The rural sewage is dispersedly discharged, the sewage treatment is changed from the treatment type to the utilization type of the in-situ treatment technology combining the treatment with the utilization, the sewage treatment effect is improved, the sewage treatment and low-carbon treatment mode suitable for the sewage pollution characteristics of the hilly and mountainous rural areas are provided, and a new idea for systematically solving the rural sewage pollution problem is provided.

[0021] 4. In the actual construction and operation of the sewage treatment facility, the facility can be designed into different sizes and shapes, and is made into a prefabricated component, so that the facility is light in quality, convenient to transport and assemble, practical, applicable, economical and affordable. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structural schematic view of the utility model;

[0023] Figure 2 It is a structural schematic view of the EMR purification tank of the utility model.

[0024] The main element symbols in the drawing are explained as follows:

[0025] 1. Front end pretreatment and composite microbial domestication subsystem; 11. Household group; 12. Three-stage septic tank; 13. Grating regulating pool; 2. Filler microbial fixed bed water purification subsystem; 21. EMR purification tank; 211. Purification area one; 212. Purification area two; 213. Purification area three; 3. Soil filler infiltration purification microbial repair subsystem; 31. Soil infiltration area; 311. Gravel filling layer; 312. Red mud porous sintered filler filling layer; 313. Zeolite filling layer; 314. Coarse sand filling layer; 315. Organic clay filling layer; 4. Circulating gas port; 5. Water passing port; 6. Inspection port; 7. Air permeation port; 8. Composite microbial domestication tank; 100. Water inlet; 200. Air guide device; 300. Water outlet; 400. Distribution water supplement pipe. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] EMBODIMENT

[0028] As Figure 1 and Figure 2As shown, a reinforced biological low-carbon water purification system includes a front-end pretreatment and composite microbial domestication subsystem 1, a filler microbial fixed bed water purification subsystem 2, and a soil filler infiltration purification microbial repair subsystem 3. The front-end pretreatment and composite microbial domestication subsystem 1 includes a household group 11, a three-stage septic tank 12, and a grid adjustment tank 13. The filler microbial fixed bed water purification subsystem 2 includes an EMR purification tank 21. The soil filler infiltration purification microbial repair subsystem 3 includes a soil infiltration area 31. The household group 11, the three-stage septic tank 12, the grid adjustment tank 13, the EMR purification tank 21, and the soil infiltration area 31 are connected in sequence.

[0029] In the utility model, the three-stage septic tank 12 can divide the domestic sewage into stages for sedimentation, anaerobic digestion, and separation of solid impurities. The front end of the grid adjustment tank 13 is provided with a grid, which mainly removes large floating objects. At the same time, the tank is added with composite microorganisms after domestication. The tank collects water, and the composite microbial flora symbiotically proliferates and synergizes with each other. The tank inhibits the decomposition of foul-smelling molecules in wastewater and waste residues, reduces the concentration of foul-smelling molecules, reduces environmental odor, adjusts water quality, and uniformly distributes water volume.

[0030] In the embodiment, referring to Figure 2 , the EMR purification tank 21 is provided with a purification area one 211, a purification area two 212, and a purification area three 213. The purification area one 211 and the purification area two 212 are respectively provided with iron-carbon micro-electrolysis filler and red mud porous sintered filler. The purification area one 211, the purification area two 212, and the purification area three 213 are provided with a circulating gas port 4 and a water passing port 5 between adjacent two of them. The circulating gas port 4 and the water passing port 5 are respectively used for oxygen-rich circulation and water in and out of the treatment process stage between the purification areas. The purification area one 211 is provided with a water inlet 100 and is connected with the grid adjustment tank 13 through the water inlet 100. The purification area three 213 is provided with an air blower 200 and a water outlet 300 and is connected with the soil infiltration area 31 through the water outlet 300. The air blower 200 is used for micro-oxidation gas supply.

[0031] The iron-carbon micro-electrolysis filler in the purification area one 211 breaks the ring and chain of long-chain macromolecular organic matter in wastewater, breaks the toxic functional groups of toxic and harmful organic pollutants, and improves the biodegradability of wastewater. The red mud porous sintered filler in the purification area two 212 uses composite microorganisms as carriers, fixes the dominant flora on the red mud porous sintered filler, continuously maintains the high activity and high abundance of the flora, significantly enhances the ecological stability and impact resistance of the wastewater treatment system, and achieves the purpose of purifying wastewater.

[0032] The EMR purification tank 21 uses filler microbial fixed bed as a carrier, adds composite microbial flora after domestication by special methods, forms a biological environment tribe, and uses micro-electrolysis, symbiotic proliferation and synergistic activity decomposition of composite microorganisms, adsorption filtration, and other water purification methods to improve the efficiency and effect of wastewater purification.

[0033] In the embodiment, the check opening 6 is arranged on the purification area one 211 and the purification area two 212; the check opening 6 is used for checking and maintaining the EMR purification tank 21; the air permeation opening 7 is arranged on the purification area one 211; and the air permeation opening 7 is used for circulating air exchange.

[0034] In the embodiment, the soil permeation area 31 is sequentially provided with a gravel filling layer 311, a red mud porous sintered filler filling layer 312, a zeolite filling layer 313, a coarse sand filling layer 314 and an organic clay filling layer 315 from bottom to top, the zeolite filling layer 313 is provided with a distribution water supplement pipe 400, and the distribution water supplement pipe 400 is connected with the water outlet 300; specifically, the gravel filling layer 311 is made of φ20-φ40 gravel and has a thickness of 100 mm; the red mud porous sintered filler filling layer 312 is made of φ15-φ30 red mud porous sintered filler and has a thickness of 300 mm; the zeolite filling layer 313 is made of φ30-φ60 zeolite and has a thickness of 200 mm; the coarse sand filling layer 314 is made of φ3.7-φ4.1 coarse sand and has a thickness of 200 mm; and the organic clay filling layer 315 is made of organic clay and has a thickness of 400 mm, and vegetables or flowers can be planted.

[0035] The soil permeation area 31 fully utilizes the purification capacity of the microorganism-soil-plant system, and tail water after ecological treatment of sewage is used for farmland water supplement, and is recycled in an agricultural ecological cycle.

[0036] In the embodiment, the utility model further includes a composite microorganism domestication tank 8, the composite microorganism domestication tank 8 is connected with the grid adjusting pool 13; the composite microorganism domestication tank 8 uses sewage to cultivate rejuvenation domesticated bacteria, so that the bacteria proliferate and adapt to sewage. That is, a raw domesticated bacteria liquid is prepared according to a certain proportion, and the domestication is carried out at an environment temperature not lower than 20 DEG C, and the domestication is carried out by using facultative fermentation for 5-7 days, and the domesticated composite microorganism bacteria liquid is put into the sewage in batches according to the proportion of the sewage.

[0037] The utility model provides a kind of reinforced biological low carbon water purification system, use is oriented to rural village dispersion, farmer dispersion, not suitable for like city such as large-scale sewage pipe network connection unified management, adopt the management mode of combination of dispersion and concentration, it is suitable for the scale of rural sewage treatment facilities is very small, quantity is much and highly dispersed, it is difficult for them to equip enough number of professional operation and maintenance personnel.Solution rural sewage is dispersed treatment, cannot unifiedly repair pipe network, unattended technology.Realize mobile, flexible use, substantially do not need to keep watch, the problem of less rural professional operation and maintenance personnel.Application is used in guizhong area, guixi northwest area multiple village rural sewage treatment promotion, adapt to local conditions, it is practical, applicable, also economic and affordable.

[0038] The above description is directed to the detailed description of the preferred feasible embodiment of the present application, but the embodiment is not used to limit the patent application range of the present application, and any equivalent change or modification change completed under the technical spirit of the present application should belong to the patent range covered by the present application.

Claims

1. A reinforced biological low-carbon water purification system, characterized in that, It comprises a front-end pretreatment and composite microbial domestication subsystem (1), a filler microbial fixed-bed water purification subsystem (2) and a soil filler infiltration purification microbial repair subsystem (3), The front-end pretreatment and composite microbial domestication subsystem (1) comprises a household group (11), a three-stage septic tank (12) and a grid adjustment tank (13), the filler microbial fixed-bed water purification subsystem (2) comprises an EMR purification tank (21), the soil filler infiltration purification microbial repair subsystem (3) comprises a soil infiltration area (31), and the household group (11), the three-stage septic tank (12), the grid adjustment tank (13), the EMR purification tank (21) and the soil infiltration area (31) are sequentially connected.

2. The enhanced biological low-carbon water purification system according to claim 1, wherein, The EMR purification tank (21) is provided with a purification area one (211), a purification area two (212) and a purification area three (213) at intervals, and the purification area one (211) and the purification area two (212) are respectively provided with iron-carbon micro-electrolysis filler and red mud porous sintered filler, The purification area one (211), the purification area two (212) and the purification area three (213) are provided with a circulating gas port (4) and a water passing port (5) between any two adjacent ones, the purification area one (211) is provided with a water inlet (100) and is connected with the grid adjustment tank (13) through the water inlet (100), and the purification area three (213) is provided with an air blower (200) and a water outlet (300) and is connected with the soil infiltration area (31) through the water outlet (300).

3. The enhanced biological low-carbon water purification system according to claim 2, wherein, The purification area one (211) and the purification area two (212) are both provided with an inspection port (6).

4. The enhanced biological low-carbon water purification system of claim 2, wherein, The purification area one (211) is provided with an air permeation port (7).

5. The enhanced biological low-carbon water purification system of claim 2, wherein, The soil infiltration area (31) is sequentially provided with a broken stone filling layer (311), a red mud porous sintered filler filling layer (312), a zeolite filling layer (313), a coarse sand filling layer (314) and an organic clay filling layer (315) from bottom to top, The zeolite filling layer (313) is provided with a distribution water supplement pipe (400) connected with the water outlet (300).

6. The enhanced biological low-carbon water purification system of claim 1, wherein, It also comprises a composite microbial domestication tank (8) connected with the grid adjustment tank (13).

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