CN109248528B - Water net centrifugal purifier - Google Patents
Water net centrifugal purifier Download PDFInfo
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- CN109248528B CN109248528B CN201710590625.1A CN201710590625A CN109248528B CN 109248528 B CN109248528 B CN 109248528B CN 201710590625 A CN201710590625 A CN 201710590625A CN 109248528 B CN109248528 B CN 109248528B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
Abstract
The water net centrifugal purification device consists of a centrifugal wind wheel, a star-shaped fish scale net folded plate, an atomizing spray head and a silencing and flow guiding device. The periphery of the centrifugal wind wheel is provided with star-shaped fish scale net folded plates which are uniformly distributed, and the fish scale net plates are fish scale plates with meshes which are opened at a certain angle along the airflow direction. An atomizing nozzle which sprays water mist towards the oil smoke gas flow of the air inlet is arranged at the air inlet. Oil smoke gas flow and water mist droplets are sucked into the centrifugal wind wheel to form vortex gas flow, the water mist droplets collide with the impeller blades and the scale net plate to generate 2-time atomization and are fully mixed and collided with oil smoke dust, the density of particles in the gas flow is high, the inertia is large, the turning radius is large, the particles cannot turn rapidly and enter the meshes of the scale net plate, are adhered to the scale net plate, and flow down to the circulating water tank together with water foam. Due to the double purification functions of water mist capture and inertia separation, the oil fume purification efficiency is improved, and water loss is reduced. The silencing and flow guiding device improves the circulation efficiency, reduces the noise and is convenient to use indoors.
Description
Technical Field
The invention relates to a purification device which uses a centrifugal wind wheel to generate high-speed high-density water mist to collect oil smoke, steam and smoke dust and uses the inertial centrifugal action of particles such as fog drops, smoke dust and the like to separate the oil smoke, the steam and the smoke dust from gas.
Background
In the industrial dust removal technology, especially the purification technology of fine smoke particles, the difficulty in purifying particles like welding smoke dust and the like is high, most of the industrial dust removal technology adopts cloth bag dust removal or filter drum dust removal for filtering dust, the wind resistance is high, the energy consumption is high, and the filter material must be maintained and replaced frequently.
At present, the kitchen oil fume purification technology entering practical application has the technical modes of high-voltage static electricity, ozone oxidation, spraying wet method and the like. After the high-voltage electrostatic purifier operates for a section, oil smoke is carbonized and deposited in the purifier, the purification rate is reduced quickly, the high-voltage electrostatic purifier needs to be maintained and cleaned regularly, and the deposited oil in the purifier and a flue easily causes fire; ozone oxidation utilizes the UV pipe to produce ozone, can oxidize the oil smoke with the intensive mixing collision of oil smoke, and flue length and wind speed all must guarantee the requirement of intensive mixing, just can reach purifying effect. Rays emitted by the UV tube are harmful to human bodies, light leakage must be prevented, the UV tube is bonded with dirty oil after running for a period of time, the performance is reduced, dirty oil is bonded in a flue, and fire can not be prevented; the wet-spraying oil fume purification technology has the advantages that the oil fume purification rate is lower due to small water mist density, large granularity and low speed of water mist spraying; the chemical oil agent must be added, and the nozzle is frequently maintained to avoid blockage; the water mist is sucked into the flue to generate water loss and flue leakage, a water throwing wheel or an intercepting net is arranged inside the smoke exhaust hood for preventing water loss, the wind resistance is increased, and the energy consumption is increased. Since these techniques have unstable cleaning rates, maintenance is often required as the operating time decreases, and automatic cleaning maintenance is difficult to achieve.
Disclosure of Invention
In order to overcome the defects of the existing known purification technology, the invention aims to provide a purification device for separating oil smoke, steam and smoke dust from air, which is suitable for industrial dust removal and kitchen oil smoke purification. The water net centrifugal purification device is a purification device which is formed by uniformly distributing star-shaped scale net folded plates surrounded by a plurality of scale net plates on the periphery circumference of a centrifugal wind wheel, uses the centrifugal wind wheel to generate water mist with high speed, high density and particle size to flap and collect particles such as oil smoke, steam, smoke dust and the like in air flow, uses the high-speed air flow to drive the particles to accelerate, and uses the centrifugal action of the inertia of the particles to separate the oil smoke, the steam and the smoke dust from the air.
The technical scheme adopted by the invention is as follows: the water net centrifugal purification device consists of a centrifugal wind wheel, a star-shaped fish scale net folded plate, an atomizing spray head and a silencing and flow guiding device. The method is characterized in that: the periphery of the centrifugal wind wheel is provided with star-shaped fish scale net folded plates which are uniformly distributed. The fish scale net plate is a fish scale plate with meshes opened at a certain angle along the airflow direction, and the star-shaped fish scale net folded plate is in a fish scale net plate star-shaped structure formed by connecting evenly-distributed fish scale net plates. The star-shaped fish scale net folded plate can make the fish scale net plate into a plurality of same oblique dihedral angles or a plurality of same volute cambered surface angles according to airflow streamlines, a flow guide wind tongue fixed with an inner angle top is arranged at the inner angle top of the star-shaped fish scale net folded plate, the upper part of the star-shaped fish scale net folded plate is tightly connected with the motor fixing plate, the lower part of the star-shaped fish scale net folded plate is fixedly connected with the bottom plate, and a gap for circulating water flow is reserved. The centrifugal wind wheel is arranged on the axis of the star-shaped fish scale net folded plate, a uniform gap is reserved between the centrifugal wind wheel and the guide wind tongue at the top of the inner corner, and the air inlet provided with the guide ring and the centrifugal wind wheel are coaxial and keep a uniform gap. An atomizing nozzle which sprays water mist towards the oil smoke gas flow of the air inlet is arranged at the air inlet. Oil smoke gas flow and water mist droplets are sucked into the centrifugal wind wheel to form vortex gas flow, the droplets in the vortex gas flow collide with blades of the impeller to generate 2-time atomization, the gas flow and the droplets are accelerated, guided by the guide wind tongues and flow to the inner corners of the star-shaped fish scale net folded plates at high speed, the water mist collides with the fish scale net plates at high speed to generate 3-time atomization, the water mist enables oil smoke steam to be rapidly cooled and condensed into droplets, and particles such as the oil smoke droplets and smoke dust in the vortex gas flow are fully mixed, collided and pounded and adhered into particles after 3-time water mist mixing. The density of particles in the airflow is high, the particles are accelerated by the impeller, the inertia is large, the turning radius is large, the particles cannot turn rapidly and enter meshes of the scale screen plate, the particles collide with the scale screen plate, adhere to the scale screen plate and flow downwards, and the water flows out through a circulation gap between the lower part of the star-shaped scale screen folded plate and the bottom plate by the wind pressure and flows into backflow pipe openings on the bottom plates at two sides of the star-shaped scale screen folded plate and flows back to the circulating water tank. The gas density is small, the turning curvature radius is small, the gas flows out by bypassing the meshes of the fish scale plate under the action of wind pressure, and particulate matters such as oil smoke droplets, smoke dust and the like collide with water mist and adhere to the fish scale screen plate to be separated from the air. Due to the double purification functions of water mist capture and inertia separation, the oil fume purification rate is greatly improved, and the water loss consumption is reduced. The total mesh area of the fish scale mesh plate ensures the circulation of air flow, reduces wind resistance and reduces energy consumption.
The periphery of the star-shaped fish scale net folded plate is provided with a silencing and flow guiding device consisting of a flow guiding silencing net, a silencing layer and a flow guiding shell, the silencing layer is filled between the flow guiding silencing net and the flow guiding shell, the flow guiding silencing net selects a screen plate or a screen mesh according to silencing requirements, and the silencing and flow guiding device can be made into different shapes according to the requirement of controlling the flow direction of air flow. If the air flow is controlled to be horizontally discharged, the silencing and flow guiding device can be made into a volute flow guiding shell or a volute flow guiding shell with two symmetrical sides. The two symmetrical volute-shaped guide shells are respectively provided with half volute guide shells on two sides of the periphery of the star-shaped scale net folded plate, one side of each volute guide shell is connected with the outer corner top at the far end of the star-shaped scale net folded plate, the other side of each volute guide shell is connected with the air outlet, the upper side of the volute curved surface is tightly connected with the motor fixing plate, and the lower side of each volute curved surface is tightly connected with the bottom plate. The air outlet is internally provided with a plurality of uniformly distributed fish scale screens with folded surfaces, the fish scale screens are tightly connected with the air outlet pipeline, and the meshes of the fish scale screens are provided with fish scale plates which are opened at a certain angle along the airflow direction. The bottom plates in the volute diversion shells symmetrically arranged at the two sides of the star-shaped fish scale net folded plate are respectively provided with a backflow pipe orifice which is connected with a backflow pipe in a downward mode and is connected into the circulating water tank. The flow guide noise reduction net and the multi-folded scale net plate of the volute flow guide shell can further purify air and have the functions of balancing air flow and reducing noise.
The circulating water pump continuously sucks circulating water filtered by the filter and pressurizes the circulating water to the atomizing spray head through the connecting pipeline, and water mist is sprayed to the oil smoke gas flow at the air inlet and the spray baffle plate. The spraying baffle is arranged on one side of an air inlet at the upper part of the filter, prevents water mist from being directly sprayed into one side of the circulating water tank for filtering and purifying, can increase the water mist crushing effect, and can flow back to the side of the circulating water tank which is not filtered. When the water level drops, the float valve automatically supplies water, when the water level exceeds the pipe orifice of the overflow pipe, the overflow pipe is automatically overflowed, the sewage discharge pipe is opened, sewage can be discharged, and circulating water is periodically replaced. And when the rotary spray head is opened, the water pressure enables the rotary spray head to rotationally clean the interior of the water tank and the filter, and the other side of the washing filter filters accumulated dust particles and dirty oil and flows into a sewer pipe from a sewage discharge pipe.
Compared with the prior art, the invention has the following advantages:
1. the water net centrifugal purification device utilizes multiple purification of multiple times of high speed, high density, particle degree water mist and inertia separation, greatly improves the purification efficiency, and has stable purification rate after long-time operation.
2. The multi-folding surface fish scale net plate of the star-shaped fish scale net folded plate enlarges the circulation area of the meshes, reduces the pressure loss and reduces the energy consumption.
3. The fish scale screen plate mesh structure prevents water mist and particles from passing through by utilizing a centrifugal separation principle, prevents the water mist from being entrained by air flow to lose water, and reduces water consumption.
4. The star-shaped fish scale net folded plate and the water mist have the function of isolating a fire source, and the hidden danger of fire catching in a flue is eliminated.
5. The water net centrifugal purification device is full of water mist without accumulation of dirty oil, the filter can be automatically cleaned by the rotary spray head arranged in the water tank, manual cleaning and maintenance are not needed, personnel maintenance work is reduced, and maintenance cost is reduced.
6. The noise reduction guiding device can reduce noise, improve the efficiency of airing exhaust, further improve purification efficiency, and control the air current direction.
7. The water net centrifugal purification device can be made into standard components, is convenient to combine with the flexible design of application environment, can be used for purifying oil fume, steam and dust, can be installed in a smoke exhaust hood and a flue, and has wide application range.
Drawings
FIG. 1 is a diagrammatic side sectional view of an embodiment of the invention.
Fig. 2 is a diagrammatic top sectional view of fig. 1.
Fig. 3 is a partially enlarged schematic view of fig. 1.
Fig. 4 is a partially enlarged schematic view of fig. 2.
In the figure, 1, a motor, 2, a centrifugal wind wheel, 3, an air inlet, 4, a star-shaped fish scale net folded plate, 5, a silencing and flow guiding device, 6, an air outlet, 7, a multi-folded fish scale net plate, 8, an atomizing spray head, 9, a float valve, 10, a circulating water pump, 11, a return pipe, 12, a circulating water tank, 13, a filter, 14, an overflow pipe, 15, a rotary spray head, 16, a blow-off pipe, 17, a flow guiding wind tongue, 18, fish scale net holes, 19, a fish scale net plate, 20, a volute flow guiding shell, 21, a smoke exhaust hood, 22, an upper air suction inlet, 23, an upper air suction inlet adjusting plate, 24, a lower air suction inlet, 25, a lower air suction inlet adjusting plate, 26 and a spraying baffle are arranged.
Detailed Description
The invention will be further elucidated by means of examples shown in the drawing. FIG. 1 is an example of the application of a clean hood made with a water mesh centrifugal cleaning device. A water net centrifugal purification device is fixedly installed on a top plate of an exhaust hood (21) shown in figure 1, a motor (1) is installed on the upper portion of the water net centrifugal purification device, an air inlet (3) is communicated with the interior of the exhaust hood, circulating water tank water (12) is installed on the lower portion of the water net centrifugal purification device in exhaust smoke, and a return pipe (11) extends into the water surface of the circulating water tank through the top plate of the exhaust hood. The water net centrifugal purification device consists of a centrifugal wind wheel (2), a star-shaped fish scale net folded plate (4), an air inlet atomizing nozzle (8) and a silencing and flow guiding device (5). The method is characterized in that: the periphery of the centrifugal wind wheel is provided with star-shaped fish scale net folded plates which are uniformly distributed. The fish scale mesh (18) of fish scale net plate has the fish scale board (19) that opens certain angle along the air current direction, the fish scale net plate star structure that star fish scale net folded plate was enclosed by the fish scale net plate connection of equipartition, star fish scale net folded plate can make the fish scale net plate a plurality of the same oblique dihedral angles of equipartition or a plurality of the same spiral case cambered surface angles according to the air current streamline, star fish scale net folded plate inner corner top is equipped with water conservancy diversion tongue (17) fixed with the inner corner top, star fish scale net folded plate upper portion and motor (1) fixed plate zonulae occludens, star fish scale net folded plate lower part and bottom plate fixed connection, leave the clearance of circulation rivers circulation. The centrifugal wind wheel is arranged on the axis of the star-shaped fish scale net folded plate, a uniform gap is reserved between the centrifugal wind wheel and the guide wind tongue at the top of the inner corner, and the air inlet provided with the guide ring is coaxial with the centrifugal wind wheel and a uniform gap is reserved between the air inlet and the centrifugal wind wheel. An atomizing nozzle (8) which sprays water mist towards the oil smoke gas flow of the air inlet is arranged at the air inlet.
An upper air suction opening adjusting plate (23) is arranged at an upper air suction opening (22) of the exhaust hood (21) and can be adjusted in a sliding manner. The lower part of the exhaust hood is provided with a lower air suction opening (24), and a lower air suction opening adjusting plate (25) can be adjusted in a sliding way at the lower air suction opening. The size and the air suction position of the air suction opening are adjusted by the upper and lower air suction opening adjusting plates, so that the lower air suction opening and the upper air suction opening have reasonable air inlet volume. Through air quantity calculation, a space is reserved between the circulating water tank (12) and a top plate of the exhaust hood, the upper and lower exhaust inlets are ensured to be unblocked with an air inlet (3) of the water net centrifugal purification device, and reasonable air speed is kept.
A circulating water tank (12) arranged at the lower part of the water net centrifugal purification device, a filter (13) is arranged in the circulating water tank, and a filter screen of the filter needs to ensure enough filtering circulation area. Can be made into L shape or U shape to increase the flow area. A left return water pipe (11), a right return water pipe (11), an overflow pipe (14) and a drain pipe (16) are arranged in the filter external circulation water tank, a circulation water pump (10), a float valve (9) and a rotary spray head (15) are arranged on one side in the filter, the circulation water pump is connected with an atomizing spray head (8) of an air inlet of the water net centrifugal purification device through a sealed pipeline, the float valve and the rotary spray head are connected with a water supply pipe, the circulation water pump continuously sucks circulating water filtered by a filter, and the circulating water is pressurized to the atomizing spray head through a connecting pipeline, and water mist is sprayed to oil smoke gas flow and a spray baffle plate of the air inlet. The lower edge of the spray baffle is arranged outside the filter, the upper edge of the spray baffle is connected with the fixed floor at one side of the air inlet, water mist is prevented from being directly sprayed into the inner side of the filter, the water mist crushing effect can be improved, and water flow can flow back to one side outside the filter of the circulating water tank. When the water level drops, the float valve automatically supplies water, when the water level exceeds the mouth of the overflow pipe, the overflow pipe automatically overflows, the sewage discharge pipe is opened, sewage can be discharged, and circulating water is periodically replaced. And the inside of the water tank and the filter are cleaned by the rotating nozzle through water pressure when the rotating nozzle is opened, and the accumulated dirt and dirty oil are filtered by washing the outer side of the filter and flow into a sewer pipe through a sewage discharge pipe.
When the exhaust hood is started, the motor drives the centrifugal wind wheel to rotate at the center of the water net centrifugal purification device, the circulating water pump is started simultaneously, the atomizing nozzle sprays water mist to the air inlet of the water net centrifugal purification device, the water mist over the air inlet impacts on the water mist baffle, the water mist is crushed to increase the atomizing effect, and the water mist is prevented from being directly sprayed into the inner side of the filter. The centrifugal wind wheel rotates to generate negative pressure, oil smoke gas flow and water mist droplets are sucked into the centrifugal wind wheel to form vortex gas flow, the droplets in the vortex gas flow collide with blades of an impeller to generate 2-time atomization, the gas flow and the droplets are accelerated and guided by a guide wind tongue to flow to inner corners of star-shaped fish scale net folded plates at high speed, the water mist collides with the fish scale net plates at high speed to generate 3-time atomization, the water mist enables oil smoke steam to be rapidly cooled and condensed into droplets, and the oil smoke droplets and smoke particles in the vortex gas flow are fully mixed, collided and pounded and adhered into particles after 3-time water mist. The particle density in the air current is big, is accelerated by the impeller, and inertia is big, and turning radius is big, can not turn rapidly and get into fish scale net mesh (18), collides with fish scale otter board (8), adhesion, adheres to fish scale otter board and flows down, flows into the back flow on the bottom plate and flows back circulation tank through the circulation clearance between star fish scale net folded plate lower part and bottom plate. The gas density is small, the turning curvature radius is small, the gas bypasses the fish scale plate under the action of wind pressure, flows through the meshes and flows out of the water net centrifugal purification device, and particulate matters such as oil smoke droplets and smoke dust collide with water mist and adhere to the fish scale net plate to be separated from air. Due to the double purification functions of water mist capture and inertia separation, the oil fume purification rate is greatly improved, and the water loss consumption is reduced. The total mesh area of the fish scale mesh plate ensures the circulation of air flow, reduces wind resistance and reduces energy consumption.
The periphery of the star-shaped fish scale net folded plate is provided with a silencing and flow guiding device (5) consisting of a flow guiding silencing net, a silencing layer and a flow guiding shell, the silencing layer is filled between the flow guiding silencing net and the flow guiding shell, the flow guiding silencing net selects a screen plate or a screen mesh according to silencing requirements, and the silencing and flow guiding device can be made into different shapes according to the requirement of controlling the flow direction of air flow. If the air flow is controlled to be horizontally discharged, the silencing and flow guiding device can be made into a volute shape or a volute shape flow guiding shell with two symmetrical sides. The two symmetrical volute flow guide shells are half volute flow guide shells (20) respectively arranged on two sides of the periphery of the star-shaped scale net folded plate, one side of each volute flow guide shell is connected with the outer corner top of the far end of the star-shaped scale net folded plate, the other side of each volute flow guide shell is connected with the air outlet (6), the upper side of the volute curved surface is tightly connected with the motor fixing plate, and the lower side of each volute curved surface is fixedly connected with the bottom plate. The air outlet is internally provided with a plurality of uniformly distributed fish scale screens (7) which are closely connected with the air outlet pipeline, and the meshes of the fish scale screens are provided with fish scale plates which are opened at a certain angle along the airflow direction. The flow guide noise reduction net and the multi-folded scale net plate of the volute flow guide shell can further purify air and have the noise reduction effect of balancing air flow.
Claims (3)
1. The utility model provides an utilize centrifugal wind wheel to produce high-speed high density water smoke and puff water net centrifugal purification device who collects oil smoke, steam, smoke and dust, comprises centrifugal wind wheel, star fish scale net folded plate, atomizer, amortization guiding device, and star fish scale net folded plate periphery is equipped with the amortization guiding device who comprises water conservancy diversion amortization net, amortization layer, water conservancy diversion shell, fills amortization layer, its characterized in that between water conservancy diversion amortization net and the water conservancy diversion shell: the fish scale net plates are connected to form a star-shaped structure with a plurality of same oblique dihedral angles, the upper parts of the star-shaped fish scale net folded plates are tightly connected with the motor fixing plate, and the centrifugal wind wheel arranged on the axle center of the star-shaped structure of the fish scale net plates and the coaxial air inlet guide ring leave a uniform gap.
2. The water net centrifugal purification device of claim 1, wherein: the star-shaped fish scale net folded plate is enclosed into an inclined dihedral angle structure which is uniformly distributed, and a flow guide wind tongue fixed with the inner angular point is arranged at the inner angular point of the star-shaped fish scale net folded plate.
3. The water net centrifugal purification device of claim 1, wherein: the atomizing nozzle for spraying water mist to the oil smoke gas flow at the air inlet is arranged, the rotating centrifugal wind wheel sucks the water mist and throws the water mist into the star-shaped fish scale net folded plate, and the water mist filtered by the star-shaped fish scale net folded plate flows out through a circulation gap between the lower part of the star-shaped fish scale net folded plate and the bottom plate, flows into the backflow pipe orifices on the bottom plates at two sides of the star-shaped fish scale net folded plate and flows back to the circulating water tank.
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| CN201710590625.1A CN109248528B (en) | 2017-07-12 | 2017-07-12 | Water net centrifugal purifier |
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| CN201710590625.1A CN109248528B (en) | 2017-07-12 | 2017-07-12 | Water net centrifugal purifier |
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| CN109248528B true CN109248528B (en) | 2021-11-12 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112121622A (en) * | 2019-06-25 | 2020-12-25 | 张胤桢 | Ozone water mist oil smoke purification device |
| CN113750720A (en) * | 2021-09-09 | 2021-12-07 | 苏州敬天爱人环境科技有限公司 | Environment-friendly smoke dust filter capable of effectively screening and filtering |
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| CN110368768A (en) * | 2019-08-09 | 2019-10-25 | 中国矿业大学(北京) | A kind of dust pelletizing system of coal mining heading equipment |
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Effective date of registration: 20220815 Address after: No. 1, 5th Floor, Unit 4, No. 235, Honggang Road, Ganjingzi District, Dalian City, Liaoning Province 116000 Patentee after: Dalian Yijieda Electromechanical Equipment Co., Ltd. Address before: Room 102, door 2, 56 / F, 200 Wuyi Road, Shahekou District, Dalian City, Liaoning Province Patentee before: Zhang Yinzhen |