CN112960782B - Small drop height type low energy consumption jet flow oxygenation aeration device - Google Patents
Small drop height type low energy consumption jet flow oxygenation aeration device Download PDFInfo
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- CN112960782B CN112960782B CN202110198037.XA CN202110198037A CN112960782B CN 112960782 B CN112960782 B CN 112960782B CN 202110198037 A CN202110198037 A CN 202110198037A CN 112960782 B CN112960782 B CN 112960782B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The invention belongs to the technical field of water treatment devices, and particularly relates to a small drop height type low-energy-consumption jet flow aeration device which comprises an aeration tank, a water pump, a first pipe, an aeration pipe, a blower, a lifting rod and a second pipe; the aeration pipe is arranged at the top of the aeration tank, and the bottom of the aeration pipe is higher than the water surface in the aeration tank; the sewage at the bottom of the aeration tank is lifted to the aeration pipe above the water surface by the water pump, so that the sewage flowing into the aeration pipe is fully combined with air sucked under the action of the air blower, and the sewage mixed with air flows downwards and impacts the inside of a polluted water body in an accelerating manner, so that the sewage mixed with air is quickly diffused in the polluted water body; therefore, the oxygen inside the polluted water body is more uniformly distributed, and the purification efficiency of the polluted water body is improved.
Description
Technical Field
The invention belongs to the technical field of water treatment devices, and particularly relates to a small drop height type low-energy-consumption jet flow aeration device.
Background
In recent years, with the rapid development of modern economy and the rapid expansion of population, the problem of environmental pollution is becoming more serious. Among them, the problem of water pollution is particularly prominent, and among the water pollution, the most serious problem is eutrophication of water bodies. The eutrophication of the water body causes the abnormal proliferation of algae, forms what is commonly called 'water bloom' and 'red tide', leads the water body to become foul and smelly, reduces the transparency, and leads a large amount of aquatic organisms to die due to oxygen deficiency, thereby causing the vicious circle of environmental ecology and causing the collapse of an ecological system. At present, engineering measures are mainly adopted in the polluted water body treatment, so that the investment is large and the effect is not obvious. In addition, the existing water aeration and oxygenation equipment not only has poor oxygenation effect, resulting in high oxygenation efficiency and equipment operation cost, but also has the defects of complex structure, large volume, high manufacturing cost and the like.
The prior art also discloses a technical scheme of a patent about an aeration and oxygenation device, for example, a Chinese patent with the application number of CN201020567090X discloses an air jet water lifting and pushing aeration and oxygenation device, which comprises an air blower, an aeration and oxygenation pipeline and a microporous pipe, wherein one end of the microporous pipe is connected with the air blower, the other end of the microporous pipe is connected with the aeration and oxygenation pipeline, the aeration and oxygenation pipeline comprises a horizontal water inlet pipeline, a vertical water lifting pipeline and a horizontal water outlet pipeline, the horizontal water inlet pipeline is connected with the lower part of the vertical water lifting pipeline, and the horizontal water outlet pipeline is connected with the upper part of the vertical water lifting pipeline. The utility model has the advantages of good oxygen dissolving effect, low power consumption, long service life, simple structure and low use, installation and maintenance cost; but above-mentioned utility model still has the defect, when above-mentioned utility model is applied to the aeration when polluting water and purifies, because the kinetic energy of the water that flows from horizontal outlet conduit is less for the contaminated water diffusion scope that thoughtlessly has the air that horizontal outlet conduit flows is less, makes the inside oxygen of polluted water distribute inhomogeneously, thereby has influenced the purification to the polluted water, makes this technical scheme receive the restriction.
In view of the above, the invention lifts the sewage at the bottom of the aeration tank into the aeration pipe above the water surface through the water pump, so that the sewage flowing into the aeration pipe is fully combined with the air sucked under the action of the air blower, and the sewage mixed with the air flows downwards and impacts the inside of the polluted water body at an accelerated speed, thereby the sewage mixed with the air is rapidly diffused in the polluted water body; therefore, the oxygen inside the polluted water body is more uniformly distributed, and the purification efficiency of the polluted water body is improved.
Disclosure of Invention
In order to make up the defects of the prior art, the aeration and oxygenation device solves the problem that when the existing aeration and oxygenation device is applied to aeration and purification in the treatment of polluted water, the kinetic energy of sewage mixed with air flowing out is small, so that the diffusion range of the sewage mixed with air is small, and oxygen in the polluted water is unevenly distributed, so that the purification of the polluted water is influenced; the invention provides a small drop height type low-energy-consumption jet flow aeration device.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a small drop height type low-energy-consumption jet flow oxygenation aeration device which comprises an aeration tank, a water pump, a first pipe, an aeration pipe, a blower, a lifting rod and a second pipe; the aeration pipe is arranged at the top of the aeration tank, and the bottom of the aeration pipe is higher than the water surface in the aeration tank; the lifting rod is arranged at the top of the aeration tank, a fixed hoop is arranged on the outer surface of the lifting rod, the fixed hoop is connected with the outer surface of the lifting rod in a sliding manner, and the outer surface of the aeration pipe is connected with the fixed hoop through a connecting rod; the bottom of the aeration pipe is provided with a second pipe which is a conical pipe, and the end part of the second pipe extends into the bottom of the water body in the aeration tank; the part, close to the top, inside the aeration pipe is provided with a blower, the blower is connected with the inner surface of the aeration pipe through a sealing plate and is used for compressing outside air and injecting the compressed air into the aeration pipe and pressing sewage in the aeration pipe into the bottom of an aeration tank; the air outlet end of the air blower extends into the area below the sealing plate; the water pump is installed at a position, close to the top, of the side wall of the aeration tank, a water inlet pipe is arranged at the water inlet end of the water pump, the end part of the water inlet pipe extends into the bottom of a water body, a first pipe is arranged at the water outlet end of the water pump, and the end part of the first pipe is communicated with a position, below the air blower, on the inner surface of the aeration pipe.
When the aeration treatment is started, sewage is discharged into the aeration tank, so that oxygen in the air is combined with the polluted water and the oxygen content in the sewage is increased, and aerobic bacteria in the sewage are activated and harmful substances in the sewage are decomposed; when the oxygen content in the sewage is too low, a large amount of anaerobic bacteria in the sewage are easy to propagate, the sewage is rotten and smells, and the pollution degree of a water body is aggravated; therefore, in order to improve the oxygen content in the polluted water body, the water pump is started, so that the sewage at the bottom of the aeration tank flows into the water inlet pipe under the action of the water pump, and then the sewage passes through the water pump along the water inlet pipe and flows into the first pipe; the sewage flowing into the first pipe flows upwards and flows into an aeration pipe positioned above the water surface; the top of the aeration pipe is in a closed state through the closing plate, the air blower is started at the same time, and when the air blower works, external air is compressed and then is introduced into the aeration pipe, so that the internal air pressure of the aeration pipe is increased, on one hand, sewage flowing into the aeration pipe is in close contact with the inflowing air, so that a large amount of air is mixed into the sewage, and the oxygen content in the sewage is increased; on the other hand, the sewage in the aeration pipe is fully pressed under the condition that the air pressure is increased to accelerate the flow, and is sprayed out from the end part of the second pipe by overcoming the obstruction effect of the water pressure at the bottom of the aeration tank to impact the sewage in the area near the end part of the second pipe, so that the air mixed in the flowing sewage is mixed into the water body in the aeration tank; when sewage flows downwards, the gravitational potential energy of the sewage is converted into kinetic energy, so that the flow speed of the sewage is accelerated; the second pipe is a conical pipe, so that the sewage flowing in the second pipe is pressurized and further accelerates to flow; therefore, when the sewage mixed with air flows out from the end part of the second pipe, because the kinetic energy of the flowing sewage is large, the flowing sewage is violently collided and fully mixed with the sewage near the second pipe, so that the air mixed in the flowing sewage is fully mixed into the water in the aeration tank, the oxygen content of the polluted water is increased, the oxygen in the polluted water is more uniformly distributed, and the polluted water is purified; the height of the aeration pipe can be adjusted by adjusting the position of the fixed hoop on the lifting rod, so that the height of the aeration pipe can be adjusted at any time according to the change of the height of the water surface in the aeration tank, and the aeration pipe adapts to actual requirements.
Preferably, a first annular chamber is arranged at the part, close to the end part of the first pipe, of the inner surface of the aeration pipe, and the first pipe is communicated with the inside of the first annular chamber; a first spray pipe is uniformly arranged at the bottom of the first annular cavity, a one-way valve is arranged in the first spray pipe, and the one-way valve is controlled by a controller arranged on the outer side; the end part of the first spray pipe points to the middle part in the aeration pipe; the air outlet end of the air blower is communicated with the first annular chamber through a third pipe which is uniformly arranged.
When the sewage treatment device works, when the sewage flowing out of the first pipe flows into the first annular chamber, the flowing sewage enters the first annular chamber and is gradually filled in the first annular chamber; then starting the blower to inflate the first annular cavity chamber, increasing the air pressure in the first annular cavity chamber while oxygenating the sewage, carrying out first oscillation oxygenation on the sewage by the inflated air, and then spraying the sewage oxygenated for the first time through the first spray pipe under the action of pressure; in the process, the one-way valve in the first spray pipe plays a role in stopping flow to realize intermittent sewage spraying by matching with the charged gas, so that first jet flow is realized, and the jet flow at the moment is the jet flow of the sewage after the first oxygenation in the aeration pipe; the sewage sprayed from the first spray pipes impacts with each other, the sprayed sewage contains a large amount of oxygen dissolved into the sewage, and the contact surface between the sewage and air is enlarged through the sewage dispersed by the impact, so that the oxygen dissolving capacity is further improved, and more oxygen enters the sewage; when the sewage is sprayed out from the bottom of the second pipe, the oxygen content in the sewage is further improved, so that the aeration purification efficiency of the sewage is improved.
Preferably, the part of the aeration pipe close to the bottom is conical, and spiral lugs are uniformly arranged on the conical part of the inner surface of the aeration pipe.
During operation, sewage from spray tube blowout and collision each other and strike the rivers that form scattered, sewage after the impact, partly fall down pat beat No. two pipes on, fall the sewage on No. two pipes and pat No. two inside pipe walls, make the sewage that falls on No. two inside pipe walls vibrate once more, another part spatters and flows down along spiral lug spiral on the inner wall of aeration pipe, then the sewage of two parts is finally remitted No. two pipes, make the sewage that flows into No. two pipes all melt into more oxygen, thereby reach the oxygen content that improves in the sewage, the aeration purification efficiency who has realized sewage obtains the purpose that improves.
Preferably, the bottom of the second pipe is provided with an aeration nozzle, the bottom surface of the aeration nozzle is in a downward-bent arc shape, and first holes are uniformly formed in the surface of the aeration nozzle; the sewage mixed with air is sprayed out through the aeration nozzle and uniformly acts on the nearby water body, so that the oxygen content of the water body in the aeration tank is increased.
When the aeration sprayer works, when the sewage which flows at an accelerated speed passes through the second pipe and is blocked by the aeration sprayer, the sewage collides with the aeration sprayer violently, so that the water pressure in the aeration sprayer is increased, and therefore, the sewage mixed with air is sprayed out through the first hole on the aeration sprayer to form water flow which flows rapidly and is uniformly sprayed into a water body near the second pipe, so that the sewage flowing out of the aeration pipe can contact with a water body in a larger range, and the air mixed in the sprayed sewage can be diffused to a larger area; and the impact action of the water flow accelerates the flow speed of the sewage in the aeration tank, so that the oxygen added in the water in the aeration tank is more uniformly distributed, and the water in the aeration tank can be more comprehensively purified.
Preferably, the aeration nozzle is rotatably connected with the end part of the second pipe through a bearing, and water spray pipes are uniformly arranged on the side surface of the aeration nozzle; each water spraying pipe is inclined to the side face of the aeration nozzle along the same spiral direction, and the end part of each water spraying pipe, which is positioned in the aeration nozzle, is conical; through making the inside sewage of aeration shower nozzle pass through the spray pipe blowout to make the aeration shower nozzle rotate under reaction force, and make the aeration shower nozzle spun mix with the sewage in the air and the aeration tank more evenly.
When the aeration tank works, the pressure in the second pipe is gradually increased along with the continuous filling of gas and sewage, then the sewage is sprayed out from the spray pipes by overcoming the water pressure of the sewage in the original aeration tank, and the sewage is discharged by utilizing the arrangement mode of the spray pipes, and meanwhile, the aeration spray heads are pushed to rotate, so that the action range of the sewage flowing out from the aeration spray heads through the first holes and the spray pipes is enlarged, and the oxygen contained in the polluted water body in the aeration tank is more uniformly distributed; on the other hand, the pivoted aeration shower nozzle makes the adnexed pollutant obtain cleaing away under the effect of centrifugal force on the aeration shower nozzle, thereby avoids the adnexed pollutant too much to cause the aeration shower nozzle to appear blockking up on the aeration shower nozzle, guarantees to carry out normally to the purification of the inside polluted water body of aeration tank.
Preferably, the water inlet pipe tip is equipped with the filter screen, the filter screen middle part is equipped with the axle No. one, the position that the axle is located the filter screen outside is equipped with the ring No. one, a ring and a axle swivelling joint, just a ring surface evenly is equipped with the flabellum No. one, the flabellum contacts with the filter screen surface No. one.
When the water pump works, when sewage near the end of the water inlet pipe flows into the water inlet pipe under the action of the water pump, the flowing-out sewage is filtered by the filter screen, so that impurities contained in the sewage flowing into the water inlet pipe are removed, the water inlet pipe is prevented from being blocked by the impurities in the sewage, and the safety of the water pump is ensured; the flowing sewage impacts the surface of the first fan blade, so that the first fan blade is pressed to drive the first fan blade to rotate around the first shaft; the surface of the filter screen is scraped by the rotating fan blade I, so that the impurities attached to the sewage filter screen are effectively removed, and the normal function of the filter screen is ensured.
The invention has the following beneficial effects:
1. according to the small drop height type low-energy-consumption jet flow oxygenation aeration device, sewage at the bottom of an aeration tank is lifted to an aeration pipe above the water surface through a water pump, so that the sewage flowing into the aeration pipe is fully combined with air sucked under the action of an air blower, and the sewage mixed with the air flows downwards and impacts the inside of a polluted water body in an accelerated manner, so that the sewage mixed with the air is quickly diffused in the polluted water body; therefore, the oxygen inside the polluted water body is more uniformly distributed, and the purification efficiency of the polluted water body is improved.
2. According to the small drop height type low-energy-consumption jet flow oxygenation aeration device, the first annular chamber is arranged at the part, close to the end part of the first pipe, of the inner surface of the aeration pipe, so that sewage after primary oxygenation is jetted in the aeration pipe; the sewage sprayed from the first spray pipes impacts with each other, the sprayed sewage contains a large amount of oxygen dissolved into the sewage, and the contact surface between the sewage and air is enlarged through the sewage dispersed by the impact, so that the oxygen dissolving capacity is further improved, and more oxygen enters the sewage; when the sewage is sprayed out from the bottom of the second pipe, the oxygen content in the sewage is further improved, so that the aeration purification efficiency of the sewage is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is an enlarged view of a portion of FIG. 1 at C;
in the figure: aeration tank 1, water pump 2, inlet tube 21, filter screen 211, a first axle 212, a ring 213, a first flabellum 214, a first pipe 3, aeration pipe 4, a first annular chamber 41, a first spray pipe 411, spiral lug 42, blower 5, closing plate 51, a third pipe 52, lifting rod 6, fixed hoop 61, a second pipe 7, aeration nozzle 71, a first hole 711 and spray pipe 712.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, the small drop height type low energy consumption jet aeration device of the present invention comprises an aeration tank 1, a water pump 2, a first pipe 3, an aeration pipe 4, a blower 5, a lifting rod 6 and a second pipe 7; the aeration pipe 4 is arranged at the top of the aeration tank 1, and the bottom of the aeration pipe 4 is higher than the water surface in the aeration tank 1; the lifting rod 6 is arranged at the top of the aeration tank 1, a fixed hoop 61 is arranged on the outer surface of the lifting rod 6, the fixed hoop 61 is connected with the outer surface of the lifting rod 6 in a sliding way, and the outer surface of the aeration pipe 4 is connected with the fixed hoop 61 through a connecting rod; a second pipe 7 is arranged at the bottom of the aeration pipe 4, the second pipe 7 is a conical pipe, and the end part of the second pipe 7 extends into the bottom of the water body in the aeration tank 1; a blower 5 is arranged in the aeration pipe 4 near the top, the blower 5 is connected with the inner surface of the aeration pipe 4 through a closing plate 51, and the blower 5 is used for compressing the outside air and injecting the compressed air into the aeration pipe 4 and pressing the sewage in the aeration pipe 4 into the bottom of the aeration tank 1; the air outlet end of the air blower 5 extends into the area below the closing plate 51; the water pump 2 is arranged at a position, close to the top, of the side wall of the aeration tank 1, a water inlet pipe 21 is arranged at the water inlet end of the water pump 2, the end part of the water inlet pipe 21 extends into the bottom of a water body, a first pipe 3 is arranged at the water outlet end of the water pump 2, and the end part of the first pipe 3 is communicated with a position, below the air blower 5, on the inner surface of the aeration pipe 4.
When the aeration treatment is started, sewage is discharged into the aeration tank 1, so that oxygen in the air is combined with the polluted water and the oxygen content in the sewage is increased, and aerobic bacteria in the sewage are activated and harmful substances in the sewage are decomposed; when the oxygen content in the sewage is too low, a large amount of anaerobic bacteria in the sewage are easy to propagate, the sewage is rotten and smells, and the pollution degree of a water body is aggravated; therefore, in order to increase the oxygen content in the polluted water body, the water pump 2 is started, so that the sewage at the bottom of the aeration tank 1 flows into the water inlet pipe 21 under the action of the water pump 2, and then the sewage flows into the first pipe 3 along the water inlet pipe 21 through the water pump 2; the sewage flowing into the first pipe 3 flows upwards and flows into an aeration pipe 4 positioned above the water surface; the top of the aeration pipe 4 is in a closed state by the closing plate 51, the air blower 5 is started at the same time, and when the air blower 5 works, external air is compressed and then is introduced into the aeration pipe 4, so that the air pressure in the aeration pipe 4 is increased, on one hand, sewage flowing into the aeration pipe 4 is in close contact with the inflowing air, so that a large amount of air is mixed into the sewage, and the oxygen content in the sewage is increased; on the other hand, the sewage in the aeration pipe 4 is fully pressed under the condition that the air pressure is increased to accelerate the flow, and is sprayed out from the end part of the second pipe 7 by overcoming the obstruction effect of the water pressure at the bottom of the aeration tank 1 to impact the sewage in the area near the end part of the second pipe 7, so that the air mixed in the effluent sewage is mixed into the water body in the aeration tank 1; when sewage flows downwards, the gravitational potential energy of the sewage is converted into kinetic energy, so that the flow speed of the sewage is accelerated; the second pipe 7 is a conical pipe, so that the sewage flowing in the second pipe 7 is pressed and further accelerated to flow; therefore, when the sewage mixed with air flows out from the end part of the second pipe 7, because the kinetic energy of the flowing sewage is larger, the flowing sewage is violently collided and fully mixed with the sewage near the second pipe 7, so that the air mixed in the flowing sewage is fully mixed into the water in the aeration tank 1, the oxygen content of the polluted water is increased, the oxygen in the polluted water is more uniformly distributed, and the polluted water is purified; the height of the aeration pipe 4 can be adjusted by adjusting the position of the fixing hoop 61 on the lifting rod 6, so that the height of the aeration pipe 4 can be adjusted at any time according to the change of the height of the water surface in the aeration tank 1 to adapt to actual requirements.
As an embodiment of the invention, a first annular chamber 41 is arranged on the inner surface of the aeration pipe 4 near the end part of the first pipe 3, and the first pipe 3 is communicated with the inside of the first annular chamber 41; a first spray pipe 411 is uniformly arranged at the bottom of the first annular chamber 41, a one-way valve is arranged in the first spray pipe 411 and is controlled by a controller arranged on the outer side; the end of the first spray pipe 411 points to the middle part in the aeration pipe 4; the air outlet end of the blower 5 is communicated with the first annular chamber 41 through a third pipe 52 which is uniformly arranged.
When the sewage treatment device works, when the sewage flowing out of the first pipe 3 flows into the first annular chamber 41, the flowing sewage enters the first annular chamber 41 and gradually fills the first annular chamber 41; then starting the blower 5 to inflate the first annular chamber 41, increasing the air pressure in the first annular chamber 41 while oxygenating the sewage, carrying out first oscillation oxygenation on the sewage by the inflated air, and then ejecting the sewage oxygenated for the first time through the first nozzle 411 under the action of pressure; in the process, the one-way valve in the first spray pipe 411 plays a role in stopping flow to match with the charged gas to realize intermittent sewage spraying, so that first jet flow is realized, and the jet flow at the moment is the jet flow of the sewage after first oxygenation in the aeration pipe 4; the sewage sprayed from the first spray pipes 411 impacts with each other, the sprayed sewage contains a large amount of oxygen dissolved into the sewage, and the contact surface between the sewage and air is increased through the sewage dispersed by the impact, so that the oxygen dissolving capacity is further improved, and more oxygen enters the sewage; when the sewage is sprayed out from the bottom of the second pipe 7, the oxygen content in the sewage is further improved, so that the aeration purification efficiency of the sewage is improved.
In one embodiment of the present invention, the portion of the aeration pipe 4 near the bottom is tapered, and the tapered portion of the inner surface of the aeration pipe 4 is uniformly provided with spiral protrusions 42.
During operation, sewage from spray tube 411 blowout and collision each other and strike the rivers that form scattered four times, sewage after the impact, partly fall down beat and beat on No. two pipe 7, fall down and beat No. two pipe 7 inner walls on the sewage on No. two pipe 7, make the sewage that falls on No. two pipe 7 inner walls vibrate once more, another part spatters on the inner wall of aeration pipe 4 along spiral lug 42 spiral downflow, then the sewage of two parts is finally remitted in No. two pipe 7, make the sewage that flows in No. two pipe 7 all melt into more oxygen, thereby reach the oxygen content that improves in the sewage, the aeration purification efficiency who has realized sewage obtains the purpose that improves.
As an embodiment of the invention, an aeration nozzle 71 is arranged at the bottom of the second pipe 7, the bottom surface of the aeration nozzle 71 is in an arc shape which is bent downwards, and first holes 711 are uniformly arranged on the surface of the aeration nozzle 71; the sewage mixed with the air is sprayed out through the aeration nozzle 71 and uniformly acts on the nearby water body, so that the oxygen content of the water body in the aeration tank 1 is increased.
When the aeration device works, when the flowing-accelerated sewage passes through the second pipe 7 and is hindered by the aeration nozzle 71, the sewage collides with the aeration nozzle 71 violently, so that the water pressure in the aeration nozzle 71 is increased, and therefore the sewage mixed with air is sprayed out through the first hole 711 on the aeration nozzle 71 to form a rapidly flowing water flow and is uniformly sprayed into a water body near the second pipe 7, so that the sewage flowing out of the aeration pipe 4 can contact with a water body in a larger range, and the air mixed in the sprayed sewage can be diffused to a larger area; and the impact action of the water flow accelerates the flowing speed of the sewage in the aeration tank 1, so that the oxygen added in the water in the aeration tank 1 is more uniformly distributed, and the water in the aeration tank 1 can be more comprehensively purified.
In one embodiment of the present invention, a bearing is provided at the joint between the aeration nozzle 71 and the end of the second pipe 7, and water spray pipes 712 are uniformly provided on the side surface of the aeration nozzle 71; each water spray pipe 712 is inclined to the side surface of the aeration nozzle 71 along the same spiral direction, and the end part of the water spray pipe 712 positioned inside the aeration nozzle 71 is conical; by causing the sewage inside the aeration nozzle 71 to be sprayed through the water spray pipe 712, the aeration nozzle 71 is rotated by the reaction force, and the air-mixed sewage sprayed from the aeration nozzle 71 is mixed with the sewage in the aeration tank 1 more uniformly.
When the aeration tank works, the pressure in the second pipe 7 is gradually increased along with the continuous filling of the gas and the sewage, then the sewage is sprayed out from the water spray pipe 712 by overcoming the water pressure of the sewage in the original aeration tank 1, the sewage is discharged by utilizing the arrangement mode of the water spray pipe 712, the aeration nozzle 71 is pushed to rotate, and the friction resistance received by the rotation of the aeration nozzle 71 is reduced by the bearing; the aeration nozzle 71 rotates, so that on one hand, the action range of the sewage flowing out of the aeration nozzle 71 through the first hole 711 and the water spraying pipe 712 is enlarged, and the oxygen contained in the polluted water in the aeration tank 1 is distributed more uniformly; on the other hand, the rotary aeration nozzle 71 can remove the pollutants attached to the aeration nozzle 71 under the action of centrifugal force, so that the blockage of the aeration nozzle 71 caused by excessive pollutants attached to the aeration nozzle 71 is avoided, and the normal purification of the polluted water in the aeration tank 1 is ensured.
As an embodiment of the present invention, a filter screen 211 is disposed at an end of the water inlet pipe 21, a first shaft 212 is disposed at a middle portion of the filter screen 211, a first ring 213 is disposed at a portion of the first shaft 212 located outside the filter screen 211, the first ring 213 is rotatably connected to the first shaft 212, first fan blades 214 are uniformly disposed on an outer surface of the first ring 213, and the first fan blades 214 are in contact with a surface of the filter screen 211.
When the sewage treatment device works, when the sewage near the end part of the water inlet pipe 21 flows into the water inlet pipe 21 under the action of the water pump 2, the flowing-out sewage is filtered by the filter screen 211, so that impurities contained in the sewage flowing into the water inlet pipe 21 are removed, the blockage of the water inlet pipe 21 caused by the impurities in the sewage is avoided, and the safety of the water pump 2 is ensured; the flowing sewage impacts the surface of the first fan blade 214, so that the first fan blade 214 is pressed to drive the first ring 213 to rotate around the first shaft 212; pivoted flabellum 214 makes filter screen 211 surface receive the scraping effect to make the adnexed impurity on the sewage filter screen 211 effectively clear away, guaranteed that filter screen 211 can normally function.
When the aeration treatment is started, sewage is discharged into the aeration tank 1, so that oxygen in the air is combined with the polluted water and the oxygen content in the sewage is increased, and aerobic bacteria in the sewage are activated and harmful substances in the sewage are decomposed; when the oxygen content in the sewage is too low, a large amount of anaerobic bacteria in the sewage are easy to propagate, the sewage is rotten and smells, and the pollution degree of a water body is aggravated; therefore, in order to increase the oxygen content in the polluted water body, the water pump 2 is started, so that the sewage at the bottom of the aeration tank 1 flows into the water inlet pipe 21 under the action of the water pump 2, and then the sewage flows into the first pipe 3 along the water inlet pipe 21 through the water pump 2; the sewage flowing into the first pipe 3 flows upwards and flows into an aeration pipe 4 positioned above the water surface; the top of the aeration pipe 4 is in a closed state by the closing plate 51, the air blower 5 is started at the same time, and when the air blower 5 works, external air is compressed and then is introduced into the aeration pipe 4, so that the air pressure in the aeration pipe 4 is increased, on one hand, sewage flowing into the aeration pipe 4 is in close contact with the inflowing air, so that a large amount of air is mixed into the sewage, and the oxygen content in the sewage is increased; on the other hand, the sewage in the aeration pipe 4 is fully pressed under the condition that the air pressure is increased to accelerate the flow, and is sprayed out from the end part of the second pipe 7 by overcoming the obstruction effect of the water pressure at the bottom of the aeration tank 1 to impact the sewage in the area near the end part of the second pipe 7, so that the air mixed in the effluent sewage is mixed into the water body in the aeration tank 1; when sewage flows downwards, the gravitational potential energy of the sewage is converted into kinetic energy, so that the flow speed of the sewage is accelerated; the second pipe 7 is a conical pipe, so that the sewage flowing in the second pipe 7 is pressed and further accelerated to flow; therefore, when the sewage mixed with air flows out from the end part of the second pipe 7, because the kinetic energy of the flowing sewage is larger, the flowing sewage is violently collided and fully mixed with the sewage near the second pipe 7, so that the air mixed in the flowing sewage is fully mixed into the water in the aeration tank 1, the oxygen content of the polluted water is increased, the oxygen in the polluted water is more uniformly distributed, and the polluted water is purified; the height of the aeration pipe 4 can be adjusted by adjusting the position of the fixing hoop 61 on the lifting rod 6, so that the height of the aeration pipe 4 can be adjusted at any time according to the change of the water surface height in the aeration tank 1 to adapt to actual requirements; when the sewage flowing out of the first pipe 3 flows into the first annular chamber 41, the flowing sewage enters the first annular chamber 41 and gradually fills the first annular chamber 41; then starting the blower 5 to inflate the first annular chamber 41, increasing the air pressure in the first annular chamber 41 while oxygenating the sewage, carrying out first oscillation oxygenation on the sewage by the inflated air, and then ejecting the sewage oxygenated for the first time through the first nozzle 411 under the action of pressure; in the process, the one-way valve in the first spray pipe 411 plays a role in stopping flow to match with the charged gas to realize intermittent sewage spraying, so that first jet flow is realized, and the jet flow at the moment is the jet flow of the sewage after first oxygenation in the aeration pipe 4; the sewage sprayed from the first spray pipes 411 impacts with each other, the sprayed sewage contains a large amount of oxygen dissolved into the sewage, and the contact surface between the sewage and air is increased through the sewage dispersed by the impact, so that the oxygen dissolving capacity is further improved, and more oxygen enters the sewage; when the sewage is sprayed out from the bottom of the second pipe 7, the oxygen content in the sewage is further improved, so that the aeration purification efficiency of the sewage is improved; the sewage is sprayed out of the first spray pipe 411 and collides with each other to impact to form scattered water flows, one part of the impacted sewage falls down to be beaten on the second pipe 7, the sewage falling down to the second pipe 7 is beaten on the inner wall of the second pipe 7 to enable the sewage falling down to vibrate again, the other part of the sewage splashes on the inner wall of the aeration pipe 4 and flows downwards along the spiral lug 42 in a spiral mode, then the two parts of sewage are finally converged into the second pipe 7, so that more oxygen is blended into the sewage flowing into the second pipe 7, the oxygen content in the sewage is improved, and the aim of improving the aeration purification efficiency of the sewage is fulfilled; when the sewage near the end of the water inlet pipe 21 flows into the water inlet pipe 21 under the action of the water pump 2, the flowing sewage is filtered by the filter screen 211, so that impurities contained in the sewage flowing into the water inlet pipe 21 are removed, the blockage of the water inlet pipe 21 caused by the impurities in the sewage is avoided, and the safety of the water pump 2 is ensured; the flowing sewage impacts the surface of the first fan blade 214, so that the first fan blade 214 is pressed to drive the first ring 213 to rotate around the first shaft 212; pivoted flabellum 214 makes filter screen 211 surface receive the scraping effect to make the adnexed impurity on the sewage filter screen 211 effectively clear away, guaranteed that filter screen 211 can normally function.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a low energy consumption efflux oxygenation aeration equipment of little drop height formula which characterized in that: comprises an aeration tank (1), a water pump (2), a first pipe (3), an aeration pipe (4), a blower (5), a lifting rod (6) and a second pipe (7); the aeration pipe (4) is arranged at the top of the aeration tank (1), and the bottom of the aeration pipe (4) is higher than the water surface in the aeration tank (1); the lifting rod (6) is arranged at the top of the aeration tank (1), a fixed hoop (61) is arranged on the outer surface of the lifting rod (6), the fixed hoop (61) is connected with the outer surface of the lifting rod (6) in a sliding manner, and the outer surface of the aeration pipe (4) is connected with the fixed hoop (61) through a connecting rod; a second pipe (7) is arranged at the bottom of the aeration pipe (4), the second pipe (7) is a conical pipe, and the end part of the second pipe (7) extends into the bottom of the water body in the aeration tank (1); a blower (5) is arranged at a position, close to the top, inside the aeration pipe (4), the blower (5) is connected with the inner surface of the aeration pipe (4) through a closing plate (51), the blower (5) is used for compressing outside air and injecting the compressed outside air into the aeration pipe (4), and sewage inside the aeration pipe (4) is pressed into the bottom of the aeration tank (1); the air outlet end of the air blower (5) extends into the area below the sealing plate (51); the water pump (2) is arranged at a position, close to the top, of the side wall of the aeration tank (1), a water inlet pipe (21) is arranged at the water inlet end of the water pump (2), the end part of the water inlet pipe (21) extends into the bottom of a water body, a first pipe (3) is arranged at the water outlet end of the water pump (2), and the end part of the first pipe (3) is communicated with a position, below the air blower (5), on the inner surface of the aeration pipe (4);
a first annular chamber (41) is arranged at the part, close to the end part of the first pipe (3), of the inner surface of the aeration pipe (4), and the first pipe (3) is communicated with the inside of the first annular chamber (41); a first spray pipe (411) is uniformly arranged at the bottom of the first annular chamber (41), a one-way valve is arranged in the first spray pipe (411), and the one-way valve is controlled by a controller arranged on the outer side; the end part of the first spray pipe (411) points to the middle part in the aeration pipe (4); the air outlet end of the air blower (5) is communicated with the first annular chamber (41) through a third pipe (52) which is uniformly arranged;
the part of the aeration pipe (4) close to the bottom is conical, and spiral lugs (42) are uniformly arranged at the conical part of the inner surface of the aeration pipe (4).
2. The small drop height type low energy consumption jet flow aeration device according to claim 1, characterized in that: an aeration nozzle (71) is arranged at the bottom of the second pipe (7), the bottom surface of the aeration nozzle (71) is in a downward-bent arc shape, and first holes (711) are uniformly formed in the surface of the aeration nozzle (71); the sewage mixed with air is sprayed out through the aeration nozzle (71) and uniformly acts on nearby water bodies, so that the oxygen content of the water bodies in the aeration tank (1) is increased.
3. The small drop height type low energy consumption jet flow aeration device according to claim 2, characterized in that: a bearing is arranged at the joint part between the aeration nozzle (71) and the end part of the second pipe (7), and water spraying pipes (712) are uniformly arranged on the side surface of the aeration nozzle (71); each water spray pipe (712) is inclined to the side surface of the aeration spray head (71) along the same spiral direction, and the end part of each water spray pipe (712) positioned inside the aeration spray head (71) is conical; the sewage mixed with air sprayed by the aeration nozzle (71) is mixed with the sewage in the aeration tank (1) more uniformly by enabling the sewage in the aeration nozzle (71) to be sprayed out through the water spray pipe (712), so that the aeration nozzle (71) rotates under the reaction force.
4. The small drop height type low energy consumption jet flow aeration device according to claim 3, characterized in that: inlet tube (21) tip is equipped with filter screen (211), filter screen (211) middle part is equipped with axle (212) No. one, the position that axle (212) are located the filter screen (211) outside is equipped with ring (213) No. one, ring (213) rotate with axle (212) and be connected, just ring (213) surface evenly is equipped with flabellum (214) No. one, flabellum (214) contact with filter screen (211) surface.
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| CN114538632A (en) * | 2022-03-04 | 2022-05-27 | 浙江金佰利环境科技有限公司 | Frequency conversion jet aeration device for improving dissolved oxygen in water |
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| CN106115950A (en) * | 2016-08-24 | 2016-11-16 | 郑晓宇 | A kind of over-saturation dissolved oxygen aerator |
| CN208022793U (en) * | 2018-02-06 | 2018-10-30 | 湖南惟创环境科技有限公司 | A kind of oxygenating and aerating unit for water body |
| CN108946976A (en) * | 2018-09-20 | 2018-12-07 | 湖州道场污水处理有限公司 | A kind of high efficiency aerator for sewage treatment |
| CN110282728A (en) * | 2019-07-24 | 2019-09-27 | 南昌航空大学 | A kind of non-blocking aeration device |
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