CN215962782U - Internal spraying type rotational flow air purification device - Google Patents

Abstract

An internal spraying type rotational flow air purification device comprises an internal spraying atomization mixer, a separation rotational flow pipe, a rotational flow separation barrel and a water tank. The air inlet of the inner atomization mixer is connected with an external high-pressure fan, and the air outlet of the inner atomization mixer is connected with the inlet at the upper end of the separation cyclone tube; the separation cyclone tube is vertically arranged on the top surface of the cyclone separation cylinder, an outlet pipe at the lower end of the separation cyclone tube is immersed in the cyclone separation cylinder and tangent to the inner wall of the cyclone separator, the cyclone separation cylinder is immersed in a circulating water tank which is arranged on the top surface of a water tank and completely runs through a clean water tank and is communicated with the lower part of the clean water tank, so that recovered water which is centrifugally separated from the high-speed cyclone in the cyclone separation cylinder is settled and enters the circulating water tank, the clean water tank and the circulating water tank are provided with water outlet valves and are connected with an atomizing nozzle through an external high-pressure water pump, and the air purification water is recycled. The utility model has the advantages of saving water for purification, good air purification effect and little influence on the use environment on the site without wetting.

Description

Internal spraying type rotational flow air purification device

Technical Field

The utility model belongs to the field of air purification equipment, and particularly relates to rotational flow centrifugal air purification equipment.

Background

For the occasions requiring large-flux air purification, such as construction tunnels, underground mining, long and narrow closed semi-closed spaces, stone processing plants, flour mills, building construction sites and the like, a fan is traditionally adopted for supplying air to discharge gas containing pollutants such as dust, but with stricter requirements on environmental awareness and environmental regulations, the outward discharge of polluted air containing dust and the like is forbidden in most production places, so that the air purification needs to be carried out on the spot in a dust production site.

However, the external spraying type dust removal and air purification mode has the following problems in the actual production and use process:

1. the consumption of water is too great: spraying water mist in an open environment for dedusting, the recovery rate of water is low, the consumption of purified water is serious, but China is a country with severe drought and water shortage, the total amount of fresh water resources accounts for 6% of water resources in the world, but the quantity of per capita water resources is only 1/4 which is the average level in the world, the country is one of the most scarce per capita water resources in the world, and particularly, a great number of northern cities also depend on the north-south water diversion project to supplement fresh water, so that the problem of high dedusting cost is caused by overlarge water consumption, and the water consumption is also an inevitable requirement for protecting water resources.

2. The on-site environment is drenched, the influence on the on-site environmental sanitation is large: when the dust-containing air is sprayed, a considerable proportion of water mist mixed with dust can be scattered on the ground and can even be stuck on a wall in a closed environment, so that the field environment is wet, slippery and muddy, and great pressure is brought to production safety and environment maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model provides an internal spraying type rotational flow dust removal device, which aims to solve the problems of large water consumption and wet and slippery muddy field environment in the prior art.

The utility model designs an internal spraying type rotational flow air purification device, which comprises an internal spraying chemical mixer, a separation rotational flow pipe, a rotational flow separation barrel and a water tank, wherein the internal spraying chemical mixer is connected with the separation rotational flow pipe;

the inner atomization mixer is of a jujube-pit-shaped cylindrical structure with thick middle and thin two ends, one end of the inner atomization mixer is an air inlet, the other end of the inner atomization mixer is an air outlet, the inner atomization mixer can be divided into an air inlet contraction section, an air outlet contraction section and an inner atomization chamber with the largest cross section area of the middle section from the structural characteristics, and the three sections can be divided into three parts or integrated independent parts. The top of interior spraying ization room has the atomizer chamber cap, is provided with one to a plurality of atomizer on the atomizer chamber cap and is used for spraying water smoke to the indoor portion of interior spraying atomization, the throat end and the external high-pressure positive blower air outlet of air intake shrink section are connected, and one end is connected with interior spraying ization room smooth transition in addition, the throat end of air outlet shrink section with separation vortex tube is connected, and one end is connected with interior spraying ization room smooth transition in addition.

The separation cyclone tube is a device for separating gas-liquid mixed substances containing dust by using rotary centrifugal force, and comprises a main tube with a spiral structure, wherein an inlet tube and an outlet tube tangentially extend from two ends of the main tube. The inlet pipe may be shaped in the form of an involute, parabolic, circular arc or linear shape. The shape of the outlet pipe is involute type, parabolic type, circular arc type or linear type.

Spiral main part pipe has import pipe and the outlet pipe of being connected with the main part pipe is tangent, and the mixture is imported with higher speed in the twinkling of an eye from the import pipe, and cooperation main part pipe centrifugal action makes the mixture of proportion difference stratify gradually to separate with higher speed from the outlet pipe, realized the centrifugal separation of different density, different property mixtures, the layering is thorough and effectual.

The inlet of the separation cyclone tube is connected with the outlet of the inner atomization mixer, the outlet tube of the separation cyclone tube is sunk into the top surface of the cyclone separation cylinder and is in sealing connection with the top surface of the inner atomization mixer, the outlet tube of the separation cyclone tube is tightly attached to the side wall of the cyclone separation cylinder, and the direction of the outlet tube is tangential to the side wall of the separation cylinder.

The cyclone separation cylinder comprises a cylindrical cyclone cylinder with an opening in the center of the top surface and an air outlet cylinder with an opening arranged at the upper end of the cyclone cylinder, and the lower end of the cyclone cylinder is immersed and arranged on the top surface of the water tank and communicated with the water tank. The air outlet cylinder is of a tubular structure with two open ends, and the lower half part of the air outlet cylinder is arranged inside the cyclone cylinder and the opening part of the air outlet cylinder is slightly contracted. The upper half part of the cyclone cylinder is arranged outside the cyclone cylinder and is a straight cylinder. The cyclone separation barrel is used for enabling a gas-liquid mixture containing dust discharged from the separation cyclone pipe to enter the cyclone barrel along the tangential direction of the side wall of the cyclone barrel, continuously forming a high-speed rotating vortex inside the cyclone barrel, enabling dust impurities and water liquid to be settled in the space below the cyclone barrel along the rotation of the side wall of the cyclone barrel under the action of centrifugal force and gravity, and discharging the separated clean air from the air outlet barrel above.

Furthermore, the opening at the lower end of the cyclone cylinder is also provided with a rotation-preventing honeycomb plate which is used for preventing water in the circulating water tank from being driven to rotate and sucked out by high-speed rotating airflow in the cyclone cylinder, meanwhile, the high-speed rotating gas-liquid mixed cyclone in the cyclone cylinder is further separated after being rubbed and collided with the rotation-preventing honeycomb plate, liquid descends to the circulating water tank, and separated clean air is discharged from an air outlet cylinder above.

The structure of the water tank is divided into an upper layer and a lower layer, the upper layer is a clear water tank for storing clear water, and the lower layer is a circulating water tank for storing recycled water. The cyclone separation cylinder integrally penetrates through the clear water tank, and an opening below the cyclone separation cylinder is connected and communicated with the circulating water tank.

The upper surface of the clean water tank is provided with a ventilation pipe used for being communicated with the atmosphere and a water filling port used for supplementing and discharging the internal air when the water quantity in the water tank changes. And a clean water outlet valve is arranged at the position, close to the bottom surface of the clean water tank, of the side surface of the clean water tank and is communicated with the atomizing spray head through a pipeline and an external high-pressure water pump. Furthermore, the positions of the four side surfaces of the clean water tank, which are close to the bottom surface, are provided with cleaning observation ports, the cleaning observation ports are provided with external detachable cover plates, and the cleaning observation ports are used for inspecting and cleaning the inner wall in the clean water tank.

The sewage filter is arranged in the circulating water tank in a sliding mode at a position close to the cyclone separation cylinder and is used for cleaning and filtering water liquid settled from the cyclone separation cylinder, the sewage filter comprises a filter support and a filter element arranged on the filter support, the filter element of the sewage filter can be various filter materials with a filter function, and through practical use tests, the utility model preferably uses filter cloth as the filter element, and the filter cloth is arranged on the filter support in a folding mode so as to increase the filter area as much as possible. Correspondingly, the circulating water tank inside wall has the support spout that cooperates and have the supporting role with sewage filter, and the circulating water tank side wall has filter dismouting mouth in sewage filter one end, filter dismouting mouth has outside detachable filter dismouting mouthful apron, sewage filter can follow filter dismouting mouthful slide and take out in order to clear up the change.

Furthermore, the inside of the circulating water tank can be cleaned and flushed through the filter dismounting port.

The desilting mouth that circulating water tank bottom is close to the position of lateral wall and has, the desilting mouth outside has the dismantled and assembled desilting mouth apron in outside.

Preferably, the desilting port cover plate is connected with the circulating water tank through a bolt, and a sealing gasket is arranged between the desilting port cover plate and the circulating water tank. Preferably, the dredging opening is circular.

And a recycled water outlet valve is arranged at the position, close to the bottom surface of the circulating water tank, of the side surface of the circulating water tank and is communicated with the atomizing spray head through a pipeline and an external high-pressure water pump.

The clean water pipe and the recovery water pipe from the water tank are communicated and combined into a water outlet pipe which is communicated with the recovery water pipe after passing through a clean water outlet valve and a recovery water outlet valve, the water pressurized by the high-pressure water pump is conveyed to an atomizing nozzle on an inner atomizing mixer, in the initial working stage or an application place with high requirement on cleanliness, the recovery water outlet valve is closed and the clean water outlet valve is opened, the high-pressure water pump is started, the clean water is conveyed to the atomizing nozzle on the inner atomizing mixer from a pipeline, mixed with dust-containing air sent by a fan to form a gas-liquid mixture, enters the separation cyclone pipe, enters a cyclone separation cylinder for gas-liquid separation, and after the centrifugal separation of the two-stage cyclone separation, the water is settled on a sewage filter, dust solids are intercepted by the sewage filter, and the water enters a circulation water tank through the sewage filter to become the recovery water, when the recycled water is needed to be recycled, only the recycled water outlet valve needs to be opened and the clean water outlet valve is closed, so that the recycled water in the circulating water tank can be conveyed to the atomizing nozzle on the inner atomizing mixer by the high-pressure water pump, and then enters the circulating water tank again through the separation cyclone pipe, the cyclone separating cylinder and the sewage filter, and the water is recycled.

Preferably, separation cyclone tube can set up a plurality ofly, and every separation cyclone tube is connected with a high pressure positive blower, also can a plurality of separation cyclone tubes be connected with a high pressure positive blower, and concrete needs come the configuration according to the specification size of fan and use.

Preferably, an air rectifier is arranged between the inner atomization mixer and the separation cyclone tube and used for sorting air turbulence formed after atomization mixing in the inner atomization mixer so as to avoid reduction of the separation effect of the separation cyclone tube on liquid and gas.

Preferably, the atomizing spray heads on the inner atomizing mixer can be arranged in a plurality of numbers, one spray head can be used for spraying a catalyst or a neutralizing treatment agent to adsorb chemical pollutants in the polluted air through water mist and perform neutralization reaction treatment aiming at the polluted air containing chemical pollutants, so that the chemical pollutants in the air are subjected to harmless treatment through reaction and are stored in the recovered water, meanwhile, the clean air is discharged, and the recovered water can be circulated for a period of time and then is replaced with clean water to keep the purification effect on the polluted air, or water drops with different sizes are formed.

In summary, the internal-injection type rotational flow air purification device provided by the utility model has the following advantages:

1. through the mixing of the inner atomization mixer, the dust in the air can be effectively removed by separating the gas-liquid separation twice through the cyclone tube and the cyclone separation cylinder, in the actual test of various use occasions in the northern area of China, the humidity of the clean air discharged through the air outlet cylinder is less than 75%, the water circulation utilization rate is more than 99%, and for the air of a PM2.5 explosion meter, the PM2.5 after purification treatment can reach below 70%.

2. The inner atomization mixer is combined with the water tank, so that the air purification water can be recycled, the consumption of the purification water is low, the air purification cost is greatly reduced, and the inner atomization mixer is also suitable for construction sites without water sources; the environment on site can not be drenched, the influence on external sanitation is small, and the method is particularly suitable for production places such as flour factories and the like which need cleanness and sanitation.

Drawings

Fig. 1 is a schematic perspective view of an internal-injection type swirling air purifying device according to an embodiment of the present invention.

Fig. 2 is a schematic perspective cross-sectional view of an internal-injection type swirling air purifying apparatus according to an embodiment of the present invention.

FIG. 3 is a perspective view of the internal-injection-type swirling air purifying apparatus shown in FIG. 1 of the present invention, rotated horizontally by 180 degrees.

In the figure: 1. the device comprises an inner atomization mixer, 2. a separation swirl tube, 3. a swirl separation barrel, 4. a water tank, 11. a mixer shell, 12. an atomization chamber cover, 13. an atomization nozzle, 14. an air rectifier, 21. an inlet tube, 22. a main body tube, 23. an outlet tube, 31. a swirl tube, 32. an air outlet barrel, 33. an anti-rotation honeycomb plate, 34. an annular top plate, 41. a clean water tank, 42. a circulating water tank, 111. an air inlet contraction section, 112. an inner atomization chamber, 113. an air outlet contraction section, 411. a ventilation tube, 412. a clean water outlet valve, 414, a cover plate, 421. a sewage filter, 422. a filter disassembly and assembly outlet cover plate, 423. a desilting outlet cover plate, 424. a reclaimed water outlet valve, 4211. a filter support and 4212. filter cloth.

Detailed Description

The following detailed description of the embodiments with reference to fig. 1-3 is provided to assist understanding of the present invention.

As shown in fig. 1, the internal-injection type swirling air purifying apparatus includes an internal atomizing mixer 1, a separation swirling pipe 2, a swirling separation cylinder 3, and a water tank 4.

The inner atomization mixer 1 is overall in a jujube-pit shape with a thick middle part and two thin ends and comprises a mixer shell 11, an atomization chamber cover 12 and an atomization nozzle 13. The mixer housing 11 structurally comprises an air inlet contraction section 111, an air outlet contraction section 113 and an inner atomization chamber 112 with the largest cross-sectional area in the middle section, and the three sections can be divided into three parts to assemble the mixer housing 11 integrally or welded integrally. An atomizing chamber cover 12 is arranged above the inner atomizing chamber 112, and one to a plurality of atomizing nozzles 13 are arranged on the atomizing chamber cover 12 and used for spraying water mist into the inner atomizing chamber 112. The atomizer 13 is mounted on the mixer housing 11 through an atomizer chamber cover 12, facilitating the replacement of the atomizer. The end of the air inlet contraction section 111 with the contraction mouth is connected with the air outlet of the fan, and the other end is connected with the inner atomization chamber 112 in a smooth transition mode. The necking end of the air outlet contraction section 113 is connected with the separation cyclone tube 2, and the other end is connected with the inner atomization chamber 112 in a smooth transition way. The jujube core-shaped structure is beneficial to dispersion and mixing of water mist in the air by changing the air flow rate and the space sectional area.

Be provided with air rectifier 14 between interior atomizing blender 1 and separation cyclone tube 2 for right the air turbulence that forms when atomizing mixes in the interior atomizing blender is put in order to avoid the clean effect of atomizing blender in the air turbulence reduces, rectifier 14 can adopt the grid structure, utilizes the grid structure to separate into a plurality of parallel passage to transfer passage, realizes cutting apart and the direction of air current, rectifies.

As shown in fig. 2, the separation cyclone tube 2 is a device for separating gas-liquid mixture using a rotational centrifugal force, and includes a square main tube 22 having a spiral structure, and an inlet tube 21 and an outlet tube 23, which are bent and tangentially extend from both ends of the main tube. The inlet pipe 21 is a straight square pipe. The outlet pipe 13 is an arc square pipe tangent to the side wall of the cyclone cylinder 31. The main body pipe 22 is square, the outer side wall is a straight wall, the spiral flow section has the same rotating radius and uniform centrifugal separation effect, and the water film area formed by the side wall is large, so that particles can be easily captured. Compared with a round tube, the separation effect is better.

The gas-liquid mixture that contains pollutants such as dust gets into spiral main part pipe 22 from the import pipe, and gas-liquid mixture forms high-speed rotary motion, and on water and dust impurity and the air separation that are greater than air density hit the pipe wall of main part pipe outer circumference under the effect of centrifugal force, in the rotatory separating cylinder 3 of inflow below under the drive of gravity and air, realize the first separation of air and dust and water in spiral main part pipe 22.

The inlet of the separation cyclone tube 2 is connected with the outlet of the inner atomization mixer 1, the separation cyclone tube is vertically arranged at the position close to the edge of the circumference of the top surface of the rotary separation cylinder 3, the lower end part of the separation cyclone tube extends into the rotary separation cylinder 3 so that the outlet part of the outlet tube is completely arranged at the upper end of the inside of the rotary separation cylinder 3, the outlet tube 23 is arranged close to the side wall of the rotary separation cylinder 3, and the direction of the outlet tube 23 is tangential to the side wall of the rotary separation cylinder 3.

The cyclone separation barrel 3 comprises a cylindrical cyclone barrel 31 with an opening at the upper end and an air outlet barrel 32 installed at the upper end of the cyclone barrel and provided with an opening, and the diameter of the air outlet barrel 32 is smaller than that of the cyclone barrel 31 so as to be positioned in the middle of a plurality of separation cyclone tubes 2 which are annularly arranged. The cyclone tube 31 is a cylindrical part, the lower end of the cyclone tube is completely opened, the upper end of the cyclone tube is provided with an annular top plate 34, a circular opening used for installing the air outlet tube 32 is arranged in the middle of the annular top plate 34, and eight circular openings which are used for installing and separating the cyclone tubes 2 and are small in size are circumferentially distributed on the annular top plate 34. The air outlet cylinder 32 is a tubular structure with two open ends, and the lower half part of the air outlet cylinder is arranged in the cyclone cylinder 31 and the opening part of the air outlet cylinder is slightly contracted. The part of the upper half part of the cyclone cylinder 31 outside is a straight cylinder. The cyclone separation cylinder 3 is used for enabling a gas-liquid mixture which is discharged from the separation cyclone pipe 2 and contains dust through preliminary centrifugal separation to enter the cyclone cylinder 31 along the tangential direction of the side wall of the cyclone cylinder 31, continuously forming high-speed rotating vortex in the cyclone cylinder 31 for further centrifugal separation, under the action of centrifugal force and gravity, dust impurities and water liquid are settled in the space below the cyclone cylinder 31 along the rotation of the side wall of the cyclone cylinder 31, and separated clean air is collected from the middle to enter the air outlet cylinder 32 and is upwards discharged through the air outlet cylinder 32. The lower end of the air outlet cylinder 32 adopts a contraction structure to realize the flow guiding effect of collecting the middle part of the high-speed rotating cleaning airflow, and the speed reduction is realized through space expansion, so that the driving effect of the airflow on the rotation along the inner surface of the cyclone cylinder 31 is favorably reduced, and the reduction of muddy water and the filtration of the lower part under the self-weight action are favorably realized.

Furthermore, the opening at the lower end of the cyclone cylinder 31 is also provided with a rotation-proof honeycomb plate 33, which is used for preventing water in the circulating water tank 4 from being driven by high-speed rotating airflow in the cyclone cylinder 31 to rotate and be sucked out, meanwhile, the high-speed rotating gas-liquid mixed cyclone in the cyclone separation cylinder 3 is further separated after being in friction impact with the rotation-proof honeycomb plate 33, liquid falls into the water tank 4, and the separated clean air is discharged from an air outlet cylinder above. Through experiments, compared with the method without installing the anti-rotation honeycomb plate 33, the exhaust humidity is obviously reduced.

The cyclone separation cylinder 3 is arranged on the top surface of the water tank 4 and is connected with the water tank through a flange and a bolt, so that the assembly, the replacement, the inspection and the maintenance are convenient.

The water tank 4 is divided into an upper layer and a lower layer, the upper layer is a clear water tank 41 for storing clear water, and the lower layer is a circulating water tank 42 for storing recycled water. The cyclone cylinder 31 integrally penetrates through the clean water tank 41, and the lower opening of the cyclone cylinder 31 is connected and communicated with the circulating water tank 4.

The upper surface of the clean water tank 41 is provided with a vent pipe 411 which is used for being communicated with the atmosphere and used for supplementing and discharging the internal air when the amount of water in the water tank changes so as to maintain the pressure of the clean water tank to be the same as or close to the environmental pressure, and the vent pipe 411 is also used as a clean water filling port. The side surface of the clean water tank 41 is provided with a clean water outlet valve 412 close to the bottom surface of the clean water tank 41, the clean water outlet valve is connected with an external high-pressure water pump, and clean water can be pumped to the atomizing nozzle 13 on the inner atomizing mixer 1 by the external high-pressure water pump. The positions of the four side surfaces of the clean water tank 41, which are close to the bottom surface and the corner parts, are provided with cleaning observation ports, the cleaning observation ports are provided with external detachable cover plates 414, the cleaning observation ports are used for checking and cleaning the inner wall in the clean water tank, after long-term use, aquatic plants such as moss can grow in the clean water tank, and the clean water tank cleaning cover plates 414 are used for cleaning the aquatic plants after being detached, so that the positions of the clean water tank cleaning cover plates are located at the four corners.

The inside of the circulation water tank 42 is slidably provided with a sewage filter 421 at a position close to the cyclone cylinder 31, the sewage filter 421 comprises a filter support 4211 and a filter cloth 4212 arranged thereon, and the filter cloth 4212 is folded and arranged on the filter support 4211 to increase the filtering area as much as possible. Accordingly, the sewage filter 421 is slidably installed at an inner side wall of the circulation tank 42.

Further, the side wall of the circulation tank 42 has a filter attachment opening at one end of the sewage filter 421, the filter attachment opening has a filter attachment opening cover 422 which is detachable from the outside, and the sewage filter 421 can be slidingly drawn out from the filter attachment opening for cleaning and replacement.

Furthermore, the inside of the circulating water tank can be cleaned and flushed through the filter dismounting port.

The bottom of the circulating water tank 42 is provided with a dredging opening close to the side wall, and the outside of the dredging opening is provided with a detachable dredging opening cover plate 423.

Preferably, the dredging hole cover plate 423 is connected with the circulating water tank through a bolt, and a sealing gasket is arranged between the dredging hole cover plate and the circulating water tank. Preferably, the dredging opening is circular.

The side of the circulating water tank 42 is provided with a recycled water outlet valve 424 close to the bottom of the circulating water tank, the recycled water outlet valve 424 is connected with a high-pressure water pump, and recycled water can be pumped to the atomizing nozzle 13 on the inner atomizing mixer 1 by the high-pressure water pump.

Preferably, separation cyclone tube 2 can set up a plurality ofly, and this embodiment is provided with eight separation cyclone tubes 2 and installs on the cyclic annular roof 34 at cyclone 3 tops, and in the radial assembly that arranges of circumferencial direction equipartition, every separation cyclone tube 2 is connected with interior atomizing blender 1, and every interior atomizing blender 1 is connected with a high pressure positive blower, and also can a plurality of interior atomizing blender 1 are connected with a high pressure positive blower, and the configuration of specific needs according to the specification of fan is used.

Preferably, a plurality of atomizing nozzles 13 on the inner atomizing mixer 1 can be provided, and one of the nozzles can be used for spraying a catalyst or a neutralization treatment agent to the polluted air containing chemical pollution, so that the chemical pollutants in the polluted air can be adsorbed by water mist and treated by neutralization reaction. Preferably, 3 atomizing nozzles 13 are arranged on each inner atomizing mixer 1 in the embodiment to adapt to different requirements of various using places.

The operation of the internal-injection type swirling air purifying apparatus will now be described as follows.

In the initial working stage or the application place with high requirement on the cleanliness, the recovered water outlet valve 424 is closed and the clean water outlet valve 412 is opened, the high-pressure water pump (not shown in the figure) is started, the clean water is conveyed to the atomizing nozzle 13 on the inner atomizing mixer 1 through the pipeline to form water mist, the water mist is mixed with the dust-containing air sent by the external high-pressure fan to form a gas-liquid mixture, the gas-liquid mixture enters the separation cyclone tube 2, the water liquid and the dust with the specific gravity larger than that of the air are thrown to the side wall of the separation cyclone tube 2 to form muddy water through the centrifugal separation effect of the spiral rotary structure, the muddy water flows downwards along the tube wall to the cyclone separation tube 3, the water is settled on the sewage filter 421 after the gas-liquid separation is carried out through the high-speed centrifugal separation of the cyclone separation tube 3, the dust solids are intercepted by the sewage filter 421, and the water enters the circulating water tank 42 through the sewage filter 421 to become recovered water, when the recycled water is needed to be recycled, only the recycled water outlet valve 424 needs to be opened and the clean water outlet valve 412 needs to be closed, so that the recycled water in the circulating water tank 42 is conveyed to the atomizing spray head 13 on the inner atomizing mixer 1 by the high-pressure water pump to be sprayed and atomized, and is mixed with the dust-containing air sent by the high-pressure fan to form a gas-liquid mixture, the gas-liquid mixture enters the separation cyclone tube 2, and then enters the circulating water tank 42 again through the cyclone separation cylinder 3, and the recycling of the purified water is realized. The sludge forms a filter cake on the filter cloth 4212, which improves the filtering effect, and when the filter cake is too thick, the filter cloth can be pumped out for cleaning or replacing. The air PM2.5 reaches the explosion table by scattering flour (the flour particles are fine and light) at the inlet of the fan, the air quality at the outlet of the air duct 32 is detected, the humidity is less than 70%, and the PM2.5 can reach below 67%.

It can be understood that, for some plants, when there is a high level water tank or tap water, the atomizer 13 may also be directly connected to the high level water tank or tap water.

The above description is only an example of the present invention, and the scope of the present invention should not be limited by the above description, and all the equivalent changes and modifications made according to the claims and the description of the present invention are included in the protection scope covered by the present invention.

Claims (10)

1. The utility model provides an internal injection formula whirl air purification device which characterized in that: comprises an inner atomization mixer, a separation cyclone tube, a cyclone separation cylinder and a water tank;

the inner atomization mixer is of a cylindrical structure, one end of the inner atomization mixer is an air inlet, the other end of the inner atomization mixer is an air outlet, and an atomization nozzle is arranged inwards in the middle of the inner atomization mixer;

the separation cyclone tube connected with the air outlet of the inner atomization mixer comprises a main tube with a spiral structure, an inlet tube and an outlet tube extend out of two ends of the main tube in a tangent mode, and the outlet tube is sunken into the top surface of the cyclone separation cylinder and is tangent to the side wall of the cyclone separation cylinder;

the cyclone separation cylinder comprises a cylindrical cyclone cylinder with an opening in the middle of the top surface and an air outlet cylinder with an opening in the top surface, the cyclone cylinder is arranged on the top surface of the water tank in a sinking mode, and the lower end opening of the cyclone cylinder is communicated with the water tank.

2. The internal-injection swirling air purifying apparatus of claim 1, characterized in that: the sewage filter is installed in the water tank, a circulating water tank is formed at the lower part of the filter and used for storing and recovering purified water, and the circulating water tank is connected with the atomizing spray head on the inner atomizing mixer through a pipeline via an external high-pressure water pump.

3. The internal-injection swirling air cleaning apparatus of claim 1, characterized in that: the inner atomization mixer is integrally of a cylindrical structure with a thick middle part and thin two ends, and structurally comprises an air inlet contraction section, an air outlet contraction section and an inner atomization chamber located in the middle.

4. The internal-injection swirling air cleaning apparatus of claim 2, characterized in that: the water tank is divided into an upper layer and a lower layer, the upper layer is a clear water tank for storing clear water, the lower layer is a circulating water tank for storing recovered water, the cyclone separation cylinder penetrates through the clear water tank and is communicated with the circulating water tank below, the clear water tank is communicated with the atomizing spray head of the inner atomization mixer through a high-pressure water pump through a pipeline, and the top of the clear water tank is used for communicating with the atmosphere.

5. The internal-injection swirling air cleaning apparatus of claim 1, characterized in that: the lower end opening of the cyclone cylinder is also provided with a rotation-preventing honeycomb plate for preventing the high-speed rotating airflow from driving the cyclone cylinder to rotate and sucking out the recovered water.

6. The internal-injection swirling air cleaning apparatus of claim 4, wherein: four angles of the clean water tank are also provided with cover plates on each side wall.

7. The internal-injection swirling air cleaning apparatus of claim 1, characterized in that: an air rectifier for arranging air turbulence is arranged between the inner atomization mixer and the separation cyclone tube.

8. The internal-injection swirling air cleaning apparatus of claim 1, characterized in that: the inner atomization mixer is provided with a plurality of atomization nozzles with the same or different atomization degrees.

9. The internal-injection swirling air cleaning apparatus of claim 1, characterized in that: the air outlet cylinder is of a tubular structure with two open ends, and the lower half part of the air outlet cylinder is of a conical structure in the cyclone separation cylinder and the mouth part of the air outlet cylinder is retracted inwards.

10. The internal-injection swirling air cleaning apparatus of claim 2, characterized in that: the sewage filter is slidably mounted on the circulating water tank, a filter disassembling and assembling port is formed in the side wall of the circulating water tank, and an external detachable filter disassembling and assembling port cover plate is arranged on the filter disassembling and assembling port.

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