CN211664792U - Anaerobic-aerobic-microalgae coupling treatment device - Google Patents
Anaerobic-aerobic-microalgae coupling treatment device Download PDFInfo
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- CN211664792U CN211664792U CN201922429434.4U CN201922429434U CN211664792U CN 211664792 U CN211664792 U CN 211664792U CN 201922429434 U CN201922429434 U CN 201922429434U CN 211664792 U CN211664792 U CN 211664792U
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Abstract
The utility model relates to the technical field of sewage treatment, in particular to an anaerobic-aerobic-microalgae coupling treatment device. The utility model provides an anaerobic-aerobic-microalgae coupling treatment device, which comprises an anaerobic tank (5); an aerobic aeration tank (8) communicated with the water outlet of the anaerobic tank (5); an aerobic-microalgae mixing tank (14) communicated with the water outlet of the aerobic aeration tank (8); and the microalgae pool (18) is communicated with the water outlet of the aerobic-microalgae mixing pool (14). The device provided by the utility model can simultaneously treat the excrement and the domestic sewage, and the treated water quality meets the domestic sewage discharge first-level B standard; in addition, the utility model discloses when handling excrement and dirt and domestic sewage, obtained little algae product, can be used to produce high-end organic agricultural product, have better economic benefits.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to an anaerobic-aerobic-microalgae coupling treatment device.
Background
At present, breeding manure is generally treated by an anaerobic method, domestic sewage is generally treated by an activated sludge aerobic method, but the method can only aim at a single sewage type, sewage sources discharged in rural areas are more, the sewage is generally mixed with various wastes, kitchen generated sewage, household cleaning sewage, domestic garbage stacking infiltration sewage and the like, the types are complex, the fluctuation of components and concentration of pollutants is large, and the problem is difficult to solve by the conventional treatment process aiming at the single sewage source.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an anaerobism-good oxygen-little algae coupling processing apparatus, adopt the utility model provides a device can handle excrement and dirt and domestic sewage, is applicable to multiple type waste water treatment, and the quality of water after the processing accords with domestic sewage discharge one-level B standard.
In order to realize the purpose of the utility model, the utility model provides a following technical scheme:
the utility model provides an anaerobic-aerobic-microalgae coupling treatment device, which comprises
An anaerobic tank 5;
an aerobic aeration tank 8 with a water inlet communicated with the water outlet of the anaerobic tank 5;
an aerobic-microalgae mixing tank 14 with a water inlet communicated with the water outlet of the aerobic aeration tank 8;
a microalgae pool 18 with a water inlet communicated with the water outlet of the aerobic-microalgae mixing pool 14.
Preferably, the processing device further comprises a microalgae separator 23, and an inlet of the microalgae separator 23 is communicated with a water outlet of the microalgae pool 18.
Preferably, the treatment device further comprises a fan 2, an anaerobic tank gas transmission pipe, an aerobic-microalgae tank gas transmission pipe and a microalgae tank gas transmission pipe;
one end of the anaerobic tank gas transmission pipe is connected with the fan 2, and the other end of the anaerobic tank gas transmission pipe extends into the anaerobic tank 5;
one end of the gas pipe of the aerobic tank is connected with the fan 2, and the other end extends into the aerobic aeration tank 8;
one end of the aerobic-microalgae pool gas transmission pipe is connected with the fan 2, and the other end extends into the aerobic-microalgae mixing pool 14;
one end of the microalgae pool gas transmission pipe is connected with the fan 2, and the other end of the microalgae pool gas transmission pipe extends to the inside of the microalgae pool 18.
Preferably, the tail end of an anaerobic tank gas transmission pipe in the anaerobic tank 5 is connected with an anaerobic tank aeration head 4;
the tail end of an aerobic tank gas transmission pipe in the aerobic aeration tank 8 is connected with an aerobic tank aeration head 7;
the tail end of an aerobic-microalgae pool gas transmission pipe in the aerobic-microalgae mixing pool 14 is connected with an aerobic-microalgae pool aeration head 15;
the end of the microalgae pool air delivery pipe in the microalgae pool 18 is connected with a microalgae pool aeration head 19.
Preferably, the processing device further comprises a controller 1, and the controller 1 is in signal connection with the fan 2.
Preferably, the treatment device further comprises a reflux pump 9, wherein the reflux pump 9 is arranged between the anaerobic tank 5 and the aerobic-microalgae mixing tank 14 and is used for refluxing part of the water in the aerobic-microalgae mixing tank 14 to the anaerobic tank 5.
Preferably, the treatment device further comprises a water quality detection meter 10 and a water quality detection sensor 12 in signal connection with the water quality detection meter 10, wherein the water quality detection sensor 12 is arranged in the aerobic-microalgae mixing tank 14.
The utility model provides an anaerobic-aerobic-microalgae coupling treatment device, which comprises an anaerobic tank 5; an aerobic aeration tank 8 with a water inlet communicated with the water outlet of the anaerobic tank 5; an aerobic-microalgae mixing tank 14 with a water inlet communicated with the water outlet of the aerobic aeration tank 8; a microalgae pool 18 with a water inlet communicated with the water outlet of the aerobic-microalgae mixing pool 14. The utility model utilizes anaerobic microorganisms to absorb and digest organic matters in the excrement and/or domestic sewage in the anaerobic tank 5, utilizes aerobic microorganisms to absorb organic matters in the excrement and/or domestic sewage in the aerobic aeration tank 8, and achieves the effect of sewage purification through the cooperation of the anaerobic tank 5 and the aerobic aeration tank 8; the aerobic microorganism treatment process and the microalgae growth and propagation are simultaneously carried out in the aerobic-microalgae mixing tank 14, the microalgae absorbs elements such as nitrogen, phosphorus, potassium and the like, and antibiotics, detergents and the like are decomposed, so that a better growth environment is provided for the aerobic microorganisms, meanwhile, the aerobic microorganisms also provide high-quality nutrients for the microalgae, and the aerobic microorganisms and the microalgae complement each other, so that the sewage is fully treated; the microalgae discharged from the aerobic-microalgae mixing tank 14 further grows and breeds in the microalgae tank 18 to finally obtain a microalgae product with high added value, and the microalgae product is obtained while treating the feces and the domestic sewage, can be used for producing high-end organic agricultural products, and has better economic benefit.
Drawings
FIG. 1 is a schematic structural diagram of an anaerobic-aerobic-microalgae coupling treatment device provided by the present invention;
FIG. 2 is a diagram of an anaerobic-aerobic-microalgae coupling treatment apparatus provided in an embodiment of the present invention;
the device comprises a controller 1, a fan 2, a fan 3, an anaerobic tank air volume control valve, an anaerobic tank aeration head 4, an anaerobic tank 5, an aerobic tank air volume control valve 6, an aerobic tank aeration head 7, an aerobic tank 8, an aerobic aeration tank 9, a reflux pump 10, a water quality detection table 11, an aerobic microalgae tank air volume control valve 12, a water quality detection sensor 13, a microalgae seed adding pipe 14, an aerobic microalgae mixing tank 15, an aerobic microalgae tank aeration head 16, a light source 17, a microalgae tank air volume control valve 18, a microalgae tank 19, a microalgae tank aeration head 20, a microalgae pressure pump 21, a slag discharge pipe 22, a slag discharge control valve 22 and a microalgae separator 23.
Detailed Description
The utility model provides an anaerobic-aerobic-microalgae coupling treatment device, which comprises
An anaerobic tank 5;
an aerobic aeration tank 8 with a water inlet communicated with the water outlet of the anaerobic tank 5;
an aerobic-microalgae mixing tank 14 with a water inlet communicated with the water outlet of the aerobic aeration tank 8;
a microalgae pool 18 with a water inlet communicated with the water outlet of the aerobic-microalgae mixing pool 14.
The treatment device provided by the utility model comprises an anaerobic tank 5 which is used for fully mixing the entering excrement and/or domestic sewage and controlling and adjusting the pH value and the water quantity of the sewage; anaerobic microorganisms grow in the anaerobic tank 5, and the anaerobic microorganisms in the anaerobic tank 5 are used for absorbing and digesting organic matters in the fecal sewage and/or domestic sewage. The specific structure of the anaerobic tank 5 is not particularly limited, and the anaerobic tank 5 known to those skilled in the art can be adopted.
As an embodiment of the utility model, the processing apparatus still includes fan 2, anaerobism pond gas-supply pipe and anaerobism pond aeration head 4, the one end and the fan 2 of anaerobism pond gas-supply pipe are connected, and the other end extends to the inside of anaerobism pond 5, the anaerobism pond gas-supply pipe end-to-end connection in the anaerobism pond 5 has anaerobism pond aeration head 4. The utility model discloses utilize fan 2 to fill into the air in the anaerobism pond 5, make anaerobism pond 5 be in anaerobic state, be favorable to the organic matter of anaerobic microorganisms absorption sewage to produce marsh gas, carry out absorption and digestion of certain degree to the organic matter in the excrement and/or the domestic sewage. The utility model discloses utilize anaerobism pond aeration head 4 can distribute the air that fan 2 carried evenly to in the anaerobism pond 5.
As an embodiment of the utility model, the treatment device also comprises an anaerobic tank air volume control valve 3 arranged on the anaerobic tank gas pipe and used for controlling the aeration volume of the anaerobic tank 5.
The utility model provides a processing apparatus include with the good oxygen aeration tank 8 of the delivery port intercommunication of anaerobism pond 5, as the utility model discloses an embodiment, it has activated sludge to add in the good oxygen aeration tank 8, it has aerobic microorganism to grow among the activated sludge, and organic matter in the sewage can be consumed in the processing through aerobic microorganism reduces BOD and COD. The specific structure of the aerobic aeration tank 8 is not particularly limited in the present invention, and the aerobic aeration tank 8 known to those skilled in the art can be used. In the present invention, the activated sludge is preferably fresh sludge of a sewage treatment plant.
As an embodiment of the utility model, the treatment device further comprises an aerobic tank gas pipe and an aerobic tank aeration head 7, one end of the aerobic tank gas pipe is connected with the fan 2, the other end extends to the inside of the aerobic aeration tank 8, and the end of the aerobic tank gas pipe in the aerobic aeration tank 8 is connected with the aerobic tank aeration head 7. The utility model utilizes the fan 2 to fill oxygen into the aerobic aeration tank 8, which provides a suitable living environment for aerobic microorganisms; the utility model discloses utilize good oxygen pond aeration head 7 can distribute the air that fan 2 carried evenly in good oxygen aeration tank 8 to do benefit to good oxygen microorganism and grow and breed.
As an embodiment of the utility model, the treatment device also comprises an aerobic tank air volume control valve 6 arranged on the aerobic tank gas pipe and used for controlling the aeration volume in the aerobic aeration tank 8.
The utility model provides a processing apparatus include with the good oxygen-little algae mixed pond 14 of the delivery port intercommunication of good oxygen aeration tank 8, good oxygen microorganism and little algae grow in good oxygen-little algae mixed pond 14, in the utility model discloses, good oxygen microorganism in good oxygen-little algae mixed pond 14 is preferred to be derived from the secondary treatment waste water of good oxygen aeration tank output. In the aerobic-microalgae mixing tank 14, an aerobic microorganism treatment process and microalgae growth and propagation are simultaneously carried out, and the microalgae absorbs elements such as nitrogen, phosphorus, potassium and the like, so that antibiotics, detergents and the like are decomposed, a better growth environment is provided for the aerobic microorganisms, and meanwhile, the aerobic microorganisms also provide high-quality nutrients for the microalgae, and the aerobic microorganisms and the microalgae complement each other, so that the sewage is fully treated. In the present invention, the cell body material of the aerobic-microalgae mixing tank 14 is preferably transparent material, in particular, ordinary glass, tempered glass, organic glass or transparent plastic, so that the light source 16 provides sunlight for the growth of microalgae through the transparent material.
As an embodiment of the present invention, the processing apparatus further comprises an aerobic-microalgae pool gas pipe and an aerobic-microalgae pool aeration head 15, wherein one end of the aerobic-microalgae pool gas pipe is connected to the fan 2, the other end extends into the aerobic-microalgae mixing pool 14, and the end of the aerobic-microalgae pool gas pipe in the aerobic-microalgae mixing pool 14 is connected to the aerobic-microalgae pool aeration head 15. The utility model utilizes the fan 2 to charge oxygen into the aerobic-microalgae mixing tank 14, which provides oxygen for the growth of aerobic microorganisms and microalgae; the aeration head 15 of the aerobic-microalgae pond is used to distribute the air evenly into the aerobic-microalgae mixing pond 14.
As an embodiment of the present invention, the processing apparatus further comprises an aerobic-microalgae pool air volume control valve 11 disposed on the gas pipe of the aerobic-microalgae pool, so as to achieve the optimal stirring and growth effects in the aerobic-microalgae pool 18.
As an embodiment of the present invention, the processing apparatus further comprises a microalgae species adding pipe 13 disposed at the top of the aerobic-microalgae mixing tank 14 for adding microalgae species into the aerobic-microalgae mixing tank 14.
As an embodiment of the present invention, the treatment device further comprises a reflux pump 9, wherein the reflux pump 9 is disposed between the anaerobic tank 5 and the aerobic-microalgae mixing tank 14, and is used for refluxing a part of water in the aerobic-microalgae mixing tank 14 to the interior of the anaerobic tank 5, so as to circulate the sewage and improve the sewage treatment efficiency.
The utility model provides a processing apparatus include with the little algae pond 18 of the delivery port intercommunication of good oxygen-little algae mixed pond 14, will be good oxygen-little algae mixed pond 14 in the little algae of exhaust little algae further grow in little algae pond 18 and breed, and then obtain the little algae product that has the high added value, promote economic benefits. In the present invention, the preferable material of the microalgae pool 18 is transparent material, specifically ordinary glass, toughened glass, organic glass or transparent plastic, so that the light source 16 can provide sunlight for the growth of microalgae through the transparent material.
As an embodiment of the utility model, the processing apparatus still includes little algae pond gas-supply pipe and little algae pond aeration head 19, the one end and the fan 2 of little algae pond gas-supply pipe are connected, and the other end extends to little algae pond 18's inside, little algae pond gas-supply pipe end-to-end connection in little algae pond 18 has little algae pond aeration head 19. The utility model discloses utilize fan 2 to fill into oxygen in little algae pond 18, for little algae growth provides oxygen, utilize little algae pond aeration head 19 to make air evenly distributed to little algae pond 18 in, make little algae obtain intensive mixing in little algae pond 18, be favorable to all little algae all fully to contact sunshine, improve the reproduction efficiency of growing.
As an embodiment of the utility model, the processing device also comprises a microalgae pool air volume control valve 17 arranged on the microalgae pool air delivery pipe, so that the optimal stirring and growth effects are achieved in the microalgae pool 18.
As an embodiment of the present invention, the processing device further comprises a light source 16, the light source 16 is disposed around the aerobic-microalgae mixing tank 14 and the microalgae tank 18, and provides a light environment for the growth of microalgae in the aerobic-microalgae mixing tank 14 and the microalgae tank 18. In the present invention, the light source 16 is preferably a natural light or an artificial light source.
As an embodiment of the present invention, the microalgae pool 18 is provided with a residue discharge port, and the processing device further comprises a residue discharge pipe 21 communicated with the residue discharge port of the microalgae pool 18 for discharging residue.
As an embodiment of the present invention, the processing apparatus further comprises a residue discharge control valve 22 disposed on the residue discharge pipe 21, which is closed when the apparatus is operated, the residue discharge control valve 22 is opened again when the residue is to be discharged, and the residue in the microalgae pool 18 is discharged.
As an embodiment of the present invention, the microalgae pool 18 is provided with a water outlet, the treatment device further comprises a microalgae separator 23 communicated with the water outlet of the microalgae pool 18 for separating microalgae and treated sewage. In the present invention, the microalgae separator 23 is preferably an ultra-micro separator, an RO membrane separator or an MBR membrane separator.
As an embodiment of the present invention, the processing device further includes a microalgae pressure pump 20 disposed between the microalgae pool 18 and the microalgae separator 23, and the microalgae liquid discharged from the microalgae pool 18 is transported to the microalgae separator 23.
As an embodiment of the present invention, the treatment device further comprises a water quality detecting meter 10 and a water quality detecting sensor 12 connected to the water quality detecting meter 10 by signals, wherein the water quality sensor is disposed in one or more of the anaerobic tank 5, the aerobic aeration tank 8, the aerobic-microalgae mixing tank 14 and the microalgae tank 18. The utility model discloses utilize water quality testing sensor 12 to detect the quality of water situation in each pond, including pH value, dissolved oxygen concentration, little algae concentration and temperature etc.. As an embodiment of the present invention, the water quality detecting sensor 12 is disposed in the aerobic-microalgae mixing tank 14. The utility model discloses utilize water quality testing table 10 will the result that water quality testing sensor 12 detected converts readable data and controllable parameter into to controller 1 implements control.
As an embodiment of the utility model, processing apparatus still includes controller 1, controller 1 independently with fan 2 and water quality testing table 10 signal connection realize the operation monitoring and control regulation to whole device. In the utility model, for a large-scale device, an intelligent control system is adopted for detection and control; for small devices, particularly small-scale farmer toilet reconstruction devices, the timed aeration control device is adopted, and the requirement of unmanned operation is met.
As an embodiment of the present invention, the air outlet main pipeline of the fan 2 is divided into 4 air delivery branch pipes, i.e. the anaerobic tank gas delivery pipe, the aerobic-microalgae tank gas delivery pipe and the microalgae tank gas delivery pipe, which are respectively communicated with the anaerobic tank, the aerobic aeration tank, the aerobic-microalgae mixing tank and the microalgae tank.
As an embodiment of the present invention, the anaerobic-aerobic-microalgae coupling treatment apparatus provided by the present invention is shown in fig. 1, and comprises three systems, i.e., a treatment system, a detection system and a control system; the treatment system comprises an anaerobic tank 5, an aerobic aeration tank 8 communicated with a water outlet of the anaerobic tank 5, an aerobic-microalgae mixing tank 14 communicated with a water outlet of the aerobic aeration tank 8, a microalgae tank 18 communicated with a water outlet of the aerobic microalgae mixing tank, and a microalgae separator 23 communicated with a water outlet of the microalgae tank 18; wherein, an anaerobic tank aeration head 4 is arranged in the anaerobic tank 5, and the anaerobic tank aeration head 4 is communicated with the fan 2 through an anaerobic tank gas transmission pipe; an aerobic tank aeration head 7 is arranged in the aerobic aeration tank 8, and the aerobic tank aeration head 7 is communicated with the fan 2 through an aerobic tank gas transmission pipe; an aerobic-microalgae pool aeration head 15 is arranged in the aerobic-microalgae mixing pool 14, and the aerobic-microalgae pool aeration head 15 is communicated with the fan 2 through an aerobic-microalgae pool gas transmission pipe; a microalgae pool aeration head 19 is arranged in the microalgae pool 18, the microalgae pool aeration head 19 is communicated with a fan 2 through a microalgae pool gas transmission pipe, the utility model simultaneously inflates oxygen to an anaerobic pool 5, an aerobic aeration pool 8, an aerobic-microalgae mixing pool 14 and a microalgae pool 18 through the fan 2, and the utility model controls the oxygen amount inflated through an anaerobic pool air volume control valve 3, an aerobic pool air volume control valve 6, an aerobic-microalgae pool air volume control valve 1111 and a microalgae pool air volume control valve 17 which are arranged on the anaerobic pool gas transmission pipe, the aerobic-microalgae pool gas transmission pipe and the microalgae pool gas transmission pipe; a reflux pump 9 is also arranged between the anaerobic tank 5 and the aerobic-microalgae mixing tank 14 and is used for transporting part of water in the aerobic-microalgae mixing tank 14 into the anaerobic tank 5; a microalgae seed adding pipe 13 is also arranged at the top of the aerobic-microalgae mixing tank 14 and is used for adding microalgae seeds into the aerobic-microalgae mixing tank 14; a residue discharge pipe 21 is communicated with a residue discharge opening of the microalgae pool 18 for discharging residues; the utility model is provided with a light source 16 around the aerobic-microalgae mixing tank 14 and the microalgae tank 18 to provide a luminous environment for the growth of microalgae; the utility model is also provided with a microalgae pressure pump 20 between the microalgae pool 18 and the microalgae separator 23 to provide power for algae liquid transportation;
the detection system comprises a water quality detection meter 10 and a water quality detection sensor 12 in signal connection with the water quality detection meter 10, wherein the water quality sensor is arranged in one or more of the anaerobic tank 5, the aerobic aeration tank 8, the aerobic-microalgae mixing tank 14 and the microalgae tank 18;
the control system comprises a controller 1, wherein the controller 1 is connected with the water quality detection meter 10 and the fan 2 through wired or wireless signals, so that the operation monitoring and control adjustment of the whole device are realized.
The utility model also provides a dirty and/or domestic sewage treatment method of excrement based on above-mentioned processing apparatus, including following step:
(1) placing the excrement and/or the domestic sewage in an anaerobic tank 5, and carrying out anaerobic microbial treatment to obtain primary treatment wastewater;
(2) conveying the primary treatment wastewater to an aerobic aeration tank 8 for aerobic microbial treatment to obtain secondary treatment wastewater;
(3) conveying the secondary treatment wastewater to an aerobic-microalgae mixing tank 14, and simultaneously performing aerobic microorganism treatment and microalgae absorption treatment to obtain tertiary treatment wastewater;
(4) and conveying the three-stage treatment wastewater to a microalgae pond 18 for microalgae absorption treatment to obtain purified water.
The utility model discloses arrange excrement and/or domestic sewage in anaerobism pond 5, carry out anaerobic microbial treatment, obtain primary treatment waste water. The utility model discloses in, the oxygen content in the anaerobism pond 5 is preferred to be 2 ~ 6mg/L, makes and is in anaerobism or oxygen deficiency state in the anaerobism pond 5, is favorable to the anaerobism microorganism absorption organic matter in excrement and/or the domestic sewage. The utility model, through the oxygenation in the anaerobic tank 5, on one hand, the oxygen content of the excrement and/or the domestic sewage is maintained in an anaerobic or anoxic state, on the other hand, the newly entered excrement and/or the domestic sewage are fully mixed, the pH value, BOD and COD of the sewage are balanced, and the impact of the newly entered sewage on the microbial environment is reduced; simultaneously the utility model discloses an oxygenation carries out certain anaerobic digestion to the organic matter in the sewage, and anaerobic microorganism handles and subsequent aerobic microorganism handles, little algae absorption processing forms complementary processing procedure, makes the excrement dirty and domestic sewage obtain maximum processing. In the utility model discloses, the time preference of anaerobic microorganism treatment is 12 ~ 48 h.
After obtaining the primary treatment waste water, the utility model discloses will the primary treatment waste water is carried to aerobic aeration tank 8 in, carries out aerobic microbial treatment, obtains the secondary treatment waste water. In the utility model, the oxygen content in the aerobic aeration tank 8 is preferably 5-9 mg/L. In the utility model discloses, the time of aerobic microbial treatment is preferably 12 ~ 36 h. The utility model discloses an organic matter in the sewage can be got rid of in the aerobic microbial treatment. The utility model discloses an anaerobic microorganisms handles with aerobic microorganisms handles the back, and the BOD content and the COD content of sewage have reduced 50 ~ 70%. In the present invention, the source of the aerobic microorganisms in the aerobic microorganism treatment process is preferably activated sludge.
After obtaining the secondary treatment waste water, the utility model discloses will the secondary treatment waste water is carried to good oxygen-little algae mixed pond 14 in, carries out good oxygen microbiological treatment and little algae absorption simultaneously and handles, obtains tertiary treatment waste water. In the present invention, the oxygen content in the aerobic-microalgae mixing tank 14 is preferably 7-9 mg/L. The utility model discloses in, little algae grows through the organic matter that absorbs in the sewage and breeds, when purifying sewage, has obtained little algae by-product. The utility model has no special limitation to the species of the microalgae, and the microalgae known by the technical personnel in the field can be adopted. In the present invention, the source of the aerobic microorganisms in the aerobic microorganism treatment process is preferably activated sludge.
After obtaining tertiary treatment waste water, the utility model discloses will tertiary treatment waste water carries to little algae pond 18 in, carries out little algae absorption treatment, obtains the purified water. The utility model discloses in, oxygen content requirement in the microalgae pond 18 reaches national domestic sewage one-level emission standard's oxygen concentration, preferably 7 ~ 9 mg/L. The utility model discloses a little algae absorption is handled, carries out the degree of depth to sewage and absorbs, obtains the purified water. The utility model discloses going on in little algae absorption treatment process, preferred light source 16 that utilizes provides sunshine for little algae growth.
In the utility model, part of the three-stage treatment wastewater preferably flows back to the anaerobic tank 5 through the reflux pump 9 to be circularly treated.
The utility model discloses little algae absorb the back of handling, preferably still include: and carrying out microalgae separation on the algae liquid obtained after the microalgae absorption treatment to obtain microalgae. The microalgae prepared by the utility model can be directly used for producing high-end organic agricultural products, such as fertilizer.
In the utility model discloses in, the concentration of little algae is preferred one in thousandth in the algae liquid that little algae absorbed the back and obtains, and the concentration is extremely low, preferably handles through the concentration, obtains little algae. The present invention has no special limitation on the specific process of the concentration, and a concentration process known to those skilled in the art can be adopted.
The technical solution of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
By adopting a distributed mode, the anaerobic-aerobic-microalgae coupling treatment device provided by the utility model is built near peasant houses, and several to dozens of households can build one treatment system to solve the problems of too long pipeline and dispersed devices, and the embodiment takes the construction of a scale for treating 5 households of fecal sewage and domestic sewage as an example, and the treatment device is shown in figure 2:
wherein, the anaerobic tank 5 and the aerobic aeration tank 8 are constructed by granite, and the aerobic-microalgae mixing tank 14 and the microalgae tank 18 are constructed by toughened glass; the utility model, through the coupling of anaerobic, aerobic and microalgae technologies, the water quality reaches the national domestic sewage discharge first-level B standard; the microalgae by-product is obtained while the sewage is treated, and the obtained microalgae can be directly used for producing high-end organic agricultural products such as fertilizers.
The specific main technical parameters are as follows:
processing the number of users: 5 households, 20 people;
pig raising quantity: 20 heads are used;
the type of sewage to be switched in: redundant sewage of the methane tank, laundry and kitchen sewage;
capacity of the processing apparatus: 7.2m3；
Power of the fan 2: 750W;
aeration amount: 120m3Hour/hour;
the treatment process comprises the following steps: the controller 1 controls the aeration time of the fan 2, an anaerobic state is formed in the anaerobic tank 5, an aerobic state is formed in the aerobic aeration tank 8, an aerobic state is formed in the aerobic-microalgae tank 18, and the controller 1 controls the air quantity of the fan 2 entering each tank body, so that the optimal aeration and microalgae stirring effects are achieved.
Power consumption amount: 0.5 degree electricity/day, wherein the electricity consumption in the valley at night and the electricity consumption in the day respectively account for 50 percent;
the operation mode is as follows: and (4) full-automatic unmanned management.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. An anaerobic-aerobic-microalgae coupling treatment device comprises
An anaerobic tank (5);
an aerobic aeration tank (8) with a water inlet communicated with the water outlet of the anaerobic tank (5);
an aerobic-microalgae mixing tank (14) with a water inlet communicated with a water outlet of the aerobic aeration tank (8);
a microalgae pool (18) with a water inlet communicated with the water outlet of the aerobic-microalgae mixing pool (14).
2. The processing apparatus according to claim 1, further comprising a microalgae separator (23), wherein an inlet of the microalgae separator (23) is in communication with an outlet of the microalgae pool (18).
3. The treatment device according to claim 1, further comprising a fan (2), an anaerobic tank gas pipe, an aerobic-microalgae tank gas pipe and a microalgae tank gas pipe;
one end of the anaerobic tank gas transmission pipe is connected with the fan (2), and the other end of the anaerobic tank gas transmission pipe extends into the anaerobic tank (5);
one end of the gas pipe of the aerobic tank is connected with the fan (2), and the other end extends into the aerobic aeration tank (8);
one end of the aerobic-microalgae pool gas transmission pipe is connected with the fan (2), and the other end of the aerobic-microalgae pool gas transmission pipe extends into the aerobic-microalgae mixing pool (14);
one end of the microalgae pool gas transmission pipe is connected with the fan (2), and the other end of the microalgae pool gas transmission pipe extends into the microalgae pool (18).
4. The treatment device according to claim 3, wherein the end of the anaerobic tank gas transmission pipe in the anaerobic tank (5) is connected with an anaerobic tank aeration head (4);
the tail end of an aerobic tank gas transmission pipe in the aerobic aeration tank (8) is connected with an aerobic tank aeration head (7);
the tail end of an aerobic-microalgae pool gas transmission pipe in the aerobic-microalgae mixing pool (14) is connected with an aerobic-microalgae pool aeration head (15);
the tail end of a microalgae pool air delivery pipe in the microalgae pool (18) is connected with a microalgae pool aeration head (19).
5. The processing device according to claim 3 or 4, further comprising a controller (1), wherein the controller (1) is in signal connection with the fan (2).
6. The treatment apparatus according to claim 1, further comprising a reflux pump (9), wherein the reflux pump (9) is disposed between the anaerobic tank (5) and the aerobic-microalgae mixing tank (14) for refluxing a part of the water in the aerobic-microalgae mixing tank (14) into the anaerobic tank (5).
7. The treatment device according to claim 1, further comprising a water quality detection meter (10) and a water quality detection sensor (12) in signal connection with the water quality detection meter (10), wherein the water quality detection sensor (12) is arranged in the aerobic-microalgae mixing tank (14).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111018109A (en) * | 2019-12-30 | 2020-04-17 | 清华大学 | Anaerobic-aerobic-microalgae coupling treatment device and fecal sewage and/or domestic sewage treatment method |
| CN115818837A (en) * | 2023-01-06 | 2023-03-21 | 天润(山东)生态环境科技有限公司 | Biochemical treatment system of sewage |
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2019
- 2019-12-30 CN CN201922429434.4U patent/CN211664792U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111018109A (en) * | 2019-12-30 | 2020-04-17 | 清华大学 | Anaerobic-aerobic-microalgae coupling treatment device and fecal sewage and/or domestic sewage treatment method |
| CN115818837A (en) * | 2023-01-06 | 2023-03-21 | 天润(山东)生态环境科技有限公司 | Biochemical treatment system of sewage |
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