CN114314738A - Water pollution treatment device with day and night rhythm - Google Patents
Water pollution treatment device with day and night rhythm Download PDFInfo
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- CN114314738A CN114314738A CN202111634738.XA CN202111634738A CN114314738A CN 114314738 A CN114314738 A CN 114314738A CN 202111634738 A CN202111634738 A CN 202111634738A CN 114314738 A CN114314738 A CN 114314738A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a water pollution treatment device with circadian rhythm, which comprises a cylindrical reactor which penetrates through the device from top to bottom, a plurality of layers of screen boxes are arranged in the reactor, photocatalytic gel particles are distributed in the screen boxes, a plurality of water pipes are longitudinally arranged on the periphery of the reactor, the water pipe extends from the bottom to the top of the reactor, the top of the reactor is connected with a spraying device, a plurality of rotating mechanisms are arranged on the water pipe, a plurality of solar panels which are horizontally arranged are connected through a rotating mechanism, the reactor is provided with an opening corresponding to the horizontal position of the solar panels, the solar panels are driven by the rotating mechanism to be screwed into the reactor to seal the upper part of the screen box, or the reactor is screwed out to fully absorb solar energy, a lifting device is arranged below the reactor and connected with an energy storage device, and the energy storage device is positioned above the liquid level and is simultaneously provided with a photosensitive element. The device can fully utilize solar energy to degrade organic pollutants in the water environment.
Description
Technical Field
The invention relates to the technical field of water pollution treatment, in particular to a water pollution treatment device with a circadian rhythm.
Background
With the increasing severity of river water pollutants, black and odorous water bodies appear even around the country. Therefore, researchers around the world address river water pollution by various methods. The photocatalysis is an effective water pollution treatment method, and is favored by a plurality of researchers due to the advantages of high efficiency, energy conservation, safety and the like. Like ZL 201620535433.1 a large-scale automatic control field effect integrative equipment of quality of water purification, carry out the water supply plant concentrated water purification treatment to reservoir, river or earth's surface water source through this equipment, because the effect of the optomagnetic quantum of photocatalysis pond, prolonged the life-span of electron hole pair, make it avoid breeding pollutants such as alga material, bacterium under the sunshine irradiation. In addition, ZL201710057850.9 discloses a visible light response photocatalysis ecological bank protection brick and a preparation method thereof, and the patent has the advantages of integrated functions of the ecological bank protection brick and low manufacturing cost, takes the ecological effect into consideration when organic pollutants are degraded by photocatalysis, and can simultaneously achieve the effects of water quality purification and bank fixation and slope protection. However, the device of this patent is not mobile and is difficult to clean surfaces. Meanwhile, the catalyst is difficult to replace after passivation, and the replacement cost is high.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects of the background art, the invention discloses a water pollution treatment device with a circadian rhythm.
The technical scheme is as follows: the invention discloses a water pollution treatment device with circadian rhythm, which comprises a cylindrical reactor which is penetrated up and down, wherein a plurality of layers of screen boxes are arranged in the reactor, photocatalytic gel particles are distributed in the screen boxes, a plurality of water pipes are longitudinally arranged on the periphery of the reactor, the water pipes extend from the bottom to the top of the reactor, a spraying device is connected to the top of the reactor, a plurality of rotating mechanisms are arranged on the water pipes, a plurality of horizontally arranged solar panels are connected through the rotating mechanisms, the reactor corresponds to a horizontal opening of the solar panels, the solar panels are driven by the rotating mechanisms to be screwed into the reactor to seal the upper part of the screen boxes or to be screwed out of the reactor to fully absorb solar energy, a lifting device is arranged below the reactor, the lifting device is connected with an energy storage device, the energy storage device is positioned above the liquid level, and is also provided with a photosensitive element, and the illumination intensity is judged through the photosensitive element, the control elevating gear drives the reactor and dives under the liquid and adsorbs the pollutant or stretches out the liquid level degradation pollutant, and when the reactor dives under the liquid, solar panel seals the screen cloth box, stretches out the liquid level when the reactor, and solar panel is rotated out by slewing mechanism and is fully absorbed solar energy, and simultaneously, spray set washs the photocatalysis gel granule in the screen cloth box that the top was opened.
Furthermore, when the light intensity sensed by the photosensitive element is greater than 100lux, the lifting device drives the reactor to extend out of the liquid level, the solar panel is screwed out by the rotating mechanism to fully absorb solar energy, and meanwhile, the spraying device cleans photocatalytic gel particles in the screen box opened above the solar panel; when the brightness is lower than 100lux, the solar panel is closed to rotate back, the reactor is moved to the position below the liquid level through the lifting device, water permeates into the reactor, and the photocatalytic gel particles continuously adsorb pollutants.
Furthermore, the spraying time interval of the spraying device is conducted through the photosensitive element, and the spraying time interval is gradually reduced along with the reduction of the light intensity.
Further, when the sunlight is more than 5 ten thousand lux, the spraying device sprays for 10 minutes every 30 minutes; when the volume is more than 1 ten thousand lux, spraying for 10 minutes at an interval of 50 minutes; spraying for 10 minutes every 1.5 hours when the volume is more than 1000 lux; when the volume is more than 100lux, spraying is carried out for 10 minutes every 3 hours.
Furthermore, the screen box comprises a full-circle screen box fixed at the bottom of the reactor and a split fan-shaped screen box arranged above the full-circle screen box, the split fan-shaped screen box is distributed in multiple layers in a staggered manner, and the lifting device is fixedly connected with the full-circle screen box at the bottom.
Furthermore, the upper end of the lifting device is connected with a spiral column, and the split fan-shaped screen box is connected with the spiral column and driven by the spiral column to rotate by an angle above the full-circle screen box.
Furthermore, the water inlet end of the water pipe is provided with a filter for filtering impurities in water.
Furthermore, the inner wall of the reactor is provided with a reflecting mirror surface for reflecting and refracting sunlight.
Further, the photocatalytic gel particles are potassium iodide modified carbon nitride gel particles, and the preparation method of the potassium iodide modified carbon nitride gel particles is as follows: firstly, grinding 1-4g of dicyandiamide and 2-8g of potassium iodide, and putting the uniformly mixed sample into a tube furnace with nitrogen for high-temperature calcination at the temperature of 500-600 ℃, at the temperature rise rate of 2-5 ℃/min and for 4-8 h. Stirring the obtained yellow powder in 100mL of deionized water for 8-12h, carrying out suction filtration, and drying the sample in vacuum at 60-80 ℃ for later use; putting 0.1-0.3g of the prepared sample and 1-3 g of sodium alginate into 50mL of water, fully stirring for 8-10h, uniformly dispersing, and then dripping 0.1-0.3 g/mL of CaCl into the uniformly dispersed sample2In solution, gel particles were prepared using a peristaltic pump at a speed of 15 mL/h.
Has the advantages that: compared with the prior art:
(1) according to the invention, the gel catalyst is selected, and the unique cavity structure of the gel and the rich functional groups contained in the gel can realize efficient pollutant adsorption;
(2) the design of the spraying device can prevent the gel from shrinking under constant illumination, and the existence of the spraying device can continuously keep the gel to adsorb pollutants;
(3) after the spiral column rotates, all the gel particles can fully utilize solar energy, the light energy utilization rate is improved, and efficient photocatalytic degradation of organic pollutants in water environment is realized;
(4) the lifting device is adjusted through the photosensitive element, and the solar energy is converted into electric energy, so that the running energy consumption can be effectively reduced, and the energy conservation and environmental protection are realized;
(5) the invention has the advantages of simple and convenient assembly and disassembly, low construction cost, easy maintenance and management, convenient application, direct use and suitable popularization.
Drawings
FIG. 1 is a view showing the structure of a reactor of the present invention under liquid;
FIG. 2 is a view showing the structure of the reactor of the present invention on the liquid level;
FIG. 3 is a graph showing the experimental color change of methylene blue adsorbed and degraded by potassium iodide modified carbon nitride gel particles in the embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, a water pollution treatment device with circadian rhythm comprises a cylindrical reactor 1 which penetrates through the reactor 1 from top to bottom, wherein a plurality of layers of screen boxes 2 are arranged in the reactor 1, photocatalytic gel particles 3 are distributed in the screen boxes 2, the aperture of each screen box 2 is smaller than that of each photocatalytic gel particle 3, a plurality of water pipes 4 are longitudinally arranged on the periphery of the reactor 1, the water pipes 4 extend from the bottom to the top of the reactor 1, a spraying device 5 is connected to the top of the reactor 1, a plurality of rotating mechanisms 6 are arranged on the water pipes 4, a plurality of horizontally arranged solar panels 7 are connected through the rotating mechanisms 6, the reactor 1 corresponds to a horizontal opening of each solar panel 7, the solar panels 7 are driven by the rotating mechanisms 6 to rotate into the reactor 1 to seal the upper part of the screen boxes 2 or rotate out of the reactor 1 to fully absorb solar energy, a lifting device 8 is arranged below the reactor 1, energy memory 9 is connected to elevating gear 8, energy memory 9 is located on the liquid level, be equipped with photosensitive element 10 simultaneously, judge illumination intensity through photosensitive element 10, control 8 drive reactors 1 dive under the liquid and adsorb the pollutant or stretch out liquid level degradation pollutant, dive under the liquid when reactor 1, solar panel 7 seals screen box 2, when photosensitive element 10 response is bright when being greater than 100lux, elevating gear 8 rises long, reactor 1 stretches out the liquid level, solar panel 7 is by 6 back-outs of slewing mechanism fully absorb solar energy, and simultaneously, spray set 5 washs the photocatalysis gel granule 3 in the screen box 2 that the top was opened. The screen box 2 comprises a full-circle screen box fixed at the bottom of the reactor 1 and a split fan-shaped screen box arranged above the full-circle screen box, the split fan-shaped screen box is distributed in multiple layers in a staggered mode, and the lifting device 8 is fixedly connected with the full-circle screen box at the bottom.
The spraying time interval of the spraying device 5 is conducted through the photosensitive element 10, the spraying time interval of the spraying device is conducted through the photosensitive element, and the spraying time interval is gradually reduced along with the reduction of the light intensity. When the sunlight is more than 5 ten thousand lux, spraying for 10 minutes every 30 minutes; when the volume is more than 1 ten thousand lux, spraying for 10 minutes at an interval of 50 minutes; spraying for 10 minutes every 1.5 hours when the volume is more than 1000 lux; when the volume is more than 100lux, spraying is carried out for 10 minutes every 3 hours.
The spraying and cleaning can also ensure that the gel particles can not deform and shrink, and the catalyst can adsorb pollutants again while cooling.
The lifting device 8 is connected with a spiral column 11 at the upper end, and the split fan-shaped screen boxes are connected with the spiral column 11 and driven by the same to rotate by an angle above the full-circle screen box.
The water inlet end of the water pipe 4 is provided with a filter 12. The inner wall of the reactor 1 is provided with a reflecting mirror surface 13.
When in use:
firstly, opening a solar panel 7, uniformly spreading a layer of prepared photocatalytic gel particles 3 on a screen box 2, then closing the solar panel, and then fixing the reactor 1 below the liquid level of a river or a lake through a lifting device 8 to adsorb pollutants. Wherein spray set 5 is from taking the sensor, can control the elevating gear of reactor, makes the reactor be in the liquid level below, all is in the liquid level below when so no matter rich water period, dry season can guarantee to adsorb. Then the light sensing element 10 senses that the brightness is more than 100lux and then the lifting device is controlled to ascend through a circuit. At this time, excess water was discharged from the reactor. And meanwhile, the solar panel is opened to receive solar energy and supply power to the system. The mirror surface 13 will also reflect sunlight, allowing the photocatalyst gel particles to receive more solar energy. Then, the water is sprayed for a certain time through the filter 12, the water pipe 4 and the spraying device at regular intervals (the interval time and the spraying time are determined according to the numerical value of the photosensitive element, when the sunlight is more than 5 ten thousand lux, the water is sprayed for 10 minutes at intervals of 30 minutes, when the sunlight is more than 1 ten thousand lux, the water is sprayed for 10 minutes at intervals of 50 minutes, when the sunlight is more than 1000lux, the water is sprayed for 10 minutes at intervals of 1.5 hours, and when the sunlight is more than 100lux, the water is sprayed for 10 minutes at intervals of 2 hours). And (3) closing the solar panel until the brightness is lower than 100lux, moving the reactor 1 to the position below the liquid level through the lifting device 8, enabling water to permeate into the reactor 1, and continuously adsorbing pollutants by the photocatalytic gel particles 3.
The photocatalytic gel particles are potassium iodide modified carbon nitride gel particles, and the preparation method of the potassium iodide modified carbon nitride gel particles comprises the following steps: firstly, grinding 1-4g of dicyandiamide and 2-8g of potassium iodide, and putting the uniformly mixed sample into a tube furnace with nitrogen for high-temperature calcination at the temperature of 500-600 ℃, at the temperature rise rate of 2-5 ℃/min and for 4-8 h. Stirring the obtained yellow powder in 100mL of deionized water for 8-12h, carrying out suction filtration, and drying the sample in vacuum at 60-80 ℃ for later use; and (2) putting 0.1-0.3g of the prepared sample and 1-3 g of sodium alginate into 50mL of water, fully stirring for 8-10h, uniformly dispersing, then, dripping the uniformly dispersed sample into 0.1-0.3 g/mL of CaCl2 solution, and preparing gel particles by using a peristaltic pump at the speed of 15 mL/h.
An experiment for adsorbing and degrading methylene blue by using potassium iodide modified carbon nitride gel particles:
as shown in FIG. 3, the prepared gel has a remarkable absorption property for methylene blue of 0.1ppm (A),1ppm (B),5ppm (C),10ppm (D) and 20ppm (E) respectively in continuous dark condition. In addition, when the adsorbed gel particles are placed under natural light, methylene blue is obviously degraded by light, and the original color of the gel is recovered (F).
Claims (9)
1. A water pollution treatment device having a circadian rhythm, characterized in that: comprises a cylindrical reactor (1) which runs through from top to bottom, wherein a plurality of layers of screen boxes (2) are arranged in the reactor (1), photocatalytic gel particles (3) are arranged in the screen boxes (2), a plurality of water pipes (4) are longitudinally arranged on the periphery of the reactor (1), the water pipes (4) extend from the bottom to the top of the reactor (1), a spraying device (5) is connected to the top of the reactor, a plurality of rotating mechanisms (6) are arranged on the water pipes (4), a plurality of horizontally arranged solar panels (7) are connected through the rotating mechanisms (6), the reactor (1) corresponds to a horizontal position opening of the solar panels (7), the solar panels (7) are driven by the rotating mechanisms (6) to be screwed into the reactor (1) to seal the upper part of the screen boxes (2) or to be screwed out of the reactor (1) to fully absorb solar energy, and a lifting device (8) is arranged below the reactor (1), energy memory (9) is connected in elevating gear (8), energy memory (9) are located on the liquid level, are equipped with photosensitive element (10) simultaneously, judge illumination intensity through photosensitive element (10), control elevating gear (8) drive reactor (1) dive under the liquid adsorb the pollutant or stretch out liquid level degradation pollutant, dive under the liquid when reactor (1), screen cloth box (2) are sealed in solar panel (7), stretch out the liquid level when reactor (1), solar panel (7) are by slewing mechanism (6) screw-out fully absorb solar energy, and simultaneously, spray set (5) wash photocatalysis gel granule (3) in the screen cloth box (2) that the top was opened.
2. The water pollution treatment device having a circadian rhythm according to claim 1, wherein: when the light sensing element (10) senses that the brightness is larger than 100lux, the lifting device (8) drives the reactor (1) to extend out of the liquid level, the solar panel (7) is screwed out by the rotating mechanism (6) to fully absorb solar energy, and meanwhile, the spraying device (5) cleans photocatalytic gel particles (3) in the screen box (2) opened above; when the brightness is lower than 100lux, the solar panel (7) is closed to rotate, the reactor (1) is moved to the position below the liquid level through the lifting device (8), water permeates into the reactor (1), and the photocatalytic gel particles (3) continuously adsorb pollutants.
3. The water pollution treatment device having a circadian rhythm according to claim 2, wherein: the spraying time interval of the spraying device (5) is conducted through the photosensitive element (10), and the spraying time interval is gradually reduced along with the reduction of the light.
4. The water pollution treatment device having circadian rhythm according to claim 3, characterized in that: when the sunlight is more than 5 ten thousand lux, the spraying device (5) sprays for 10 minutes every 30 minutes; when the volume is more than 1 ten thousand lux, spraying for 10 minutes at an interval of 50 minutes; spraying for 10 minutes every 1.5 hours when the volume is more than 1000 lux; when the volume is more than 100lux, spraying is carried out for 10 minutes every 3 hours.
5. The water pollution treatment device having a circadian rhythm according to claim 1, wherein: the screen box (2) comprises a full-circle screen box fixed at the bottom of the reactor (1) and a split fan-shaped screen box arranged above the full-circle screen box, the split fan-shaped screen box is distributed in multiple layers in a staggered mode, and the lifting device (8) is fixedly connected with the full-circle screen box at the bottom.
6. The water pollution treatment device having a circadian rhythm according to claim 5, wherein: the lifting device (8) is connected with a spiral column (11) at the upper end, and the split fan-shaped screen box is connected with the spiral column (11) and driven by the same to rotate above the full-circle screen box by an angle.
7. The water pollution treatment device having a circadian rhythm according to claim 1, wherein: and a filter (12) is arranged at the water inlet end of the water pipe (4).
8. The water pollution treatment device having a circadian rhythm according to claim 1, wherein: the inner wall of the reactor (1) is provided with a reflecting mirror surface (13).
9. The water pollution treatment device having a circadian rhythm according to claim 1, wherein: the photocatalytic gel particles (3) are potassium iodide modified carbon nitride gel particles, and the preparation method of the potassium iodide modified carbon nitride gel particles is as follows: firstly, grinding 1-4g of dicyandiamide and 2-8g of potassium iodide, and putting the uniformly mixed sample into a tube furnace with nitrogen for high-temperature calcination at the temperature of 500-600 ℃, at the temperature rise rate of 2-5 ℃/min and for 4-8 h. Stirring the obtained yellow powder in 100mL of deionized water for 8-12h, carrying out suction filtration, and drying the sample in vacuum at 60-80 ℃ for later use; putting 0.1-0.3g of the prepared sample and 1-3 g of sodium alginate into 50mL of water, fully stirring for 8-10h, uniformly dispersing,then, the evenly dispersed sample is dripped into CaCl with the concentration of 0.1g/mL-0.3g/mL2In solution, gel particles were prepared using a peristaltic pump at a speed of 15 mL/h.
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