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1、An environment-friendly microalgae biological waste water treatment reactor, which is characterized in that it includes an incubator and a purified water tank connected by a pipeline, and the pipeline is provided with a first water pump, the liquid inlet end of the purified water tank is provided with a second water pump, the purified water tank is provided with a first ultraviolet disinfection device, the top of the incubator is provided with two openings as the algae feeding port and the air inlet, and the air inlet is provided with an air pump, The bottom end of the incubator is provided with three ports, in which a sampling valve, an algae discharge valve and a liquid outlet valve are respectively set. The discharge end of the liquid outlet valve is connected with a secondary purification water tank, in which a second ultraviolet disinfection device is set. The incubator is provided with a gas distributor, and a heating rod is set below the gas distributor.
2、The environment-friendly microalgae biological waste water treatment reactor according to claim 1, which is characterized in that the incubator is made of transparent material, one side of the outside of the incubator is provided with an LED light source, and the other side of the incubator opposite to the LED light source is provided with a light intensity detector.
3、The environment-friendly microalgae biological waste water treatment reactor according to claim 2, which is characterized in that the LED light source is powered by the external solar panel.
4、The environment-friendly microalgae biological waste water treatment reactor according to claim 1, which is characterized in that the bottom end of the incubator is in a funnel shape, and the output end of the algae discharge valve is connected with a high concentration microalgae collection tank.
5、The environment-friendly microalgae biological waste water treatment reactor according to claim 1, which is characterized in that the algae feeding port is covered with a sealing cap.
6、The environment-friendly microalgae biological waste water treatment reactor according to claim 1, which is characterized in that: the inner walls of the purification water tank and the secondary purification water tank are provided with card slots for the first ultraviolet disinfection equipment and the second ultraviolet disinfection equipment to be stuck from top to bottom.
7、The environment-friendly microalgae biological waste water treatment reactor according to claim 1, which is characterized in that the incubator is provided with a temperature sensor and a carbon dioxide sensor.
8、The environment-friendly microalgae biological waste water treatment reactor according to claim 1, which is characterized in that the air inlet is externally connected with an air inlet pipe, and the air pump is arranged on the air inlet pipe.
9、The environment-friendly microalgae biological waste water treatment reactor according to claim 1, which is characterized in that the gas distributor is annular, its peripheral side is fixed by several connecting rods, and the other end of the connecting rod is fixedly connected to the inner wall of the incubator.
The utility model relates to an environment-friendly microalgae biological waste water treatment reactor, which comprises an incubator and a purified water tank connected by a pipeline, and the pipeline is provided with a first water pump, the liquid inlet end of the purified water tank is provided with a second water pump, the purified water tank is provided with a first ultraviolet disinfection device, the top of the incubator is provided with two openings as the algae adding port and the air inlet, and the air inlet is provided with an air pump, The bottom end of the incubator is provided with three ports, in which a sampling valve, an algae discharge valve and a liquid outlet valve are respectively arranged. The discharge end of the liquid outlet valve is connected with a secondary purification water tank, in which a second ultraviolet disinfection device is arranged. The incubator is fixedly provided with a gas distributor, and a heating rod is arranged below the gas distributor. The environment-friendly microalgae biological waste water treatment reactor has a simple structure, Effectively reduce the recovery cost and the probability of secondary pollution.
Abstract Figures See attached figure 1 of the specification
An environment-friendly microalgae biological waste water treatment
The utility model relates to the field of waste water treatment, in particular to an environment-friendly microalgae biological waste water treatment reactor.
The composition of domestic waste water, industrial waste water and runoff waste water within the city is complex. In addition to a large amount of N, P and other nutrients in domestic waste water, it also contains a small amount of toxic and harmful substances in industrial waste water. At present, the conventional secondary waste water treatment process can remove most of the organic pollutants, but the removal effect of nitrogen and phosphorus is poor; Chemical method can achieve better removal efficiency by precipitation with pollutants by aluminum salt or iron salt, but the cost of chemical agents is high, and a large number of chemical sludge formed is difficult to treat.
Different from traditional waste water treatment, microalgae can utilize inorganic and organic nitrogen existing in ammonia, nitrite and nitrate, and the waste water treated by algae does not need to be transited between multiple operating conditions to remove inorganic N and P, thus reducing the complexity and energy consumption of the treatment process. However, the high cost of microalgae recovery after waste water culture greatly limits the application of this technology.
In view of the deficiency of the prior art, the technical problem to be solved by the utility model is to provide an environment-friendly microalgae biological waste water treatment reactor, which has reasonable structure and low cost.
In order to solve the above technical problems, the technical solution of the utility model is: an environment-friendly microalgae biological waste water treatment reactor, which includes an incubator and a purification tank connected by a pipe, and the pipe is provided with a first water pump, the liquid inlet end of the purification tank is provided with a second water pump, the purification tank is provided with a first ultraviolet disinfection device, and the top of the incubator is provided with two openings as algae adding ports and air inlets, respectively, The air inlet is provided with an air pump, the bottom end of the incubator is provided with three ports, and the ports are respectively provided with a sampling valve, an algae discharge valve, and a liquid outlet valve. The outlet end of the liquid outlet valve is connected with a secondary purification water tank. The secondary purification water tank is provided with a second ultraviolet disinfection device, the incubator is fixedly provided with a gas distributor, and a heating rod is arranged below the gas distributor.
Furthermore, the incubator is made of transparent material, and an LED light source is arranged on one side of the outside of the incubator, and a light intensity detector is arranged on the other side of the incubator opposite to the LED light source.
Furthermore, the LED light source is powered by the external solar panel, which can not only power LED, but also power other equipment that need power.
Furthermore, the bottom end of the incubator is in a funnel shape, and the output end of the algae discharge valve is connected with a high concentration microalgae collection tank.
Furthermore, the algal feeding port is provided with a sealing cover.
Furthermore, the inner walls of the purified water tank and the secondary purified water tank are provided with slots for the first ultraviolet disinfection equipment and the second ultraviolet disinfection equipment to be clamped from top to bottom.
Furthermore, the incubator is provided with a temperature sensor and a carbon dioxide sensor.
Furthermore, the air inlet is externally connected with an air inlet pipe, and the air pump is arranged on the air inlet pipe.
Furthermore, the gas distributor is annular, its peripheral side is fixed by several connecting rods, and the other end of the connecting rods is fixedly connected to the inner wall of the incubator.
Compared with the prior art, the utility model has the following beneficial effects: 1. N, P and other nutrient elements in the waste water can be removed; 2. It can absorb CO2; 3. The cultured microalgae can be used not only for agricultural fertilizers and health products, but also for the production of biodiesel; 4. Water purified by microalgae can also be used for farmland irrigation; 5. The microalgae bioreactor has formed a relatively safe living environment as a whole. Compared with open reactor, microalgae is not easy to leak and pollute the external environment; 6. Microalgae can better overcome the adverse factors caused by the external environment; 7. Compared with the traditional method, the utility model greatly reduces the recovery cost and the probability of secondary pollution; 8. The waste water treated by microalgae does not need to be transited between various operating conditions to remove inorganic N and P, thus reducing the complexity and energy consumption of the treatment process.
The utility model is further described in detail below in combination with the drawings and specific embodiments. Description of attached drawings
Figure 1 is the structural diagram of the embodiment of the utility model;
Figure 2 is a side view of the incubator in the embodiment of the utility model;
Figure 3 shows the location of the card slot in the embodiment of the utility model.
In the figure: 1 - incubator, 2 - purified water tank, 3 - first water pump, 4 - second water pump, 5 - first ultraviolet disinfection equipment, 6 - algal feeding port, 7 - air inlet, 8 - air pump, 9 - sampling valve, 10 - algal discharge valve, 11 - liquid outlet valve, 12 - secondary purified water tank, 13 - second ultraviolet disinfection equipment, 14 - gas distributor, 15 - heating rod, 16 - LED light source, 17 - light intensity detector, 18 - solar panel, 19 - high concentration microalgae collection tank, 20 - sealing cap, 21 - clamping slot, 22 temperature sensor, 23 carbon dioxide sensor, 24 intake pipe, 25 connecting rod.
In order to make the above features and advantages of the utility model more obvious and easy to understand, the following is a detailed description of the embodiments with the accompanying drawings.
As shown in Figures 1 to 3, an environment-friendly microalgae biological waste water treatment reactor includes an incubator 1 and a purification water tank 2 connected by a pipe, and a first water pump 3 is arranged on the pipe to enter the preliminarily sterilized water in the purification water tank into the incubator, and a second water pump 4 is arranged at the liquid inlet end of the purification water tank to facilitate the collection of waste water into the purification water tank, and a first ultraviolet disinfection device 5 is arranged in the purification water tank, The top of the incubator is provided with two openings to act as algae feeding port 6 and air inlet 7 respectively, the air inlet is provided with an air pump 8, the bottom of the incubator is provided with three ports, and the ports are respectively provided with a sampling valve 9, an algae discharge valve 10 and a liquid outlet valve 11, the outlet end of the liquid outlet valve is connected with a secondary purification water tank 12, the secondary purification water tank is provided with a second ultraviolet disinfection device 13, and the two ultraviolet disinfection devices are both equipped with ultraviolet lamp groups, The incubator is fixedly provided with a gas distributor 14, and a heating rod 15 is symmetrically arranged below the gas distributor.
In the embodiment of the utility model, the incubator is made of transparent material, LED light source 16 is set on one side of the incubator, and light intensity detector 17 is set on the other side of the incubator opposite to the LED light source.
In the embodiment of the utility model, the LED light source is powered by the external solar panel 18.
In the embodiment of the utility model, the bottom end of the incubator is in a funnel shape, and the output end of the algae discharge valve is connected with a high concentration microalgae collection tank 19.
In the embodiment of the utility model, the algae feeding port is covered with a sealing cover 20.
In the embodiment of the utility model, the inner walls of the purified water tank and the secondary purified water tank are provided with a clamping groove 21 for the first ultraviolet disinfection device and the second ultraviolet disinfection device to clip in from top to bottom, and the lower end of the secondary purified water tank can be provided with a water outlet for discharging the disinfected and purified water.
In the embodiment of the utility model, the incubator is provided with a temperature sensor 22 and a carbon dioxide sensor 23, the temperature sensor is arranged in the middle of the incubator, and a display screen can be arranged on the temperature sensor to directly display the internal temperature of the incubator; Carbon dioxide is placed near the top of the incubator.
In the embodiment of the utility model, the air inlet is externally connected with an air inlet pipe 24, and the air pump is arranged on the air inlet pipe.
In the embodiment of the utility model, the gas distributor is annular, its peripheral side is fixed by a number of connecting rods 25, and the other end of the connecting rod is fixedly connected to the inner wall of the incubator. The heating rod is erected under the gas distributor, and can also be installed and positioned through the connecting rod.
Working principle of the embodiment of the utility model:
1. The existing waste water is pumped into the purified water tank through the second water pump. At the same time, the ultraviolet lamp is turned on and the flocculant is added to remove the original large particle impurities and bacteria in the waste water and reduce the impact on the growth of microalgae.
2. Pump the preliminarily purified water into the incubator through the first water pump, open the seal cover to add microalgae for culture and purification, and then close the seal cover.
3. During the cultivation process, the growth environment of microalgae is monitored in real time through temperature sensors, carbon dioxide sensors and light sensors, and the temperature, carbon dioxide and light conditions in the incubator are controlled through heating rods, sealing caps, air pumps and LED light sources to ensure the best growth environment.
4. In the process of culture, the gas distributor should also be started at the right time to realize the regular stirring of microalgae, and also play the role of renewing the air in the incubator.
5. In the process of culture, if it is necessary to spot check the growth status or concentration of microalgae, open the sampling valve to take a small amount of samples.
6. After the culture is completed, first open the liquid outlet valve, drain the water in the incubator into the secondary purification water tank, and then conduct the secondary purification and disinfection of the water with ultraviolet rays. The purpose is to prevent microalgae and some harmful bacteria from entering the nature again and multiplying in large numbers, and then discharge.
7. The remaining algae liquid in the incubator is of high concentration. After opening the algae discharge valve and collecting it in the high concentration algae liquid collection tank, the microalgae can be recycled.
The utility model is not limited to the above optimal implementation mode, and anyone can obtain other forms of environment-friendly microalgae biological waste water treatment reactors under the enlightenment of the utility model. All equal changes and modifications made according to the scope of the patent application of the utility model shall be covered by the utility model.