CN111271784A - Wet air treatment device and method - Google Patents
Wet air treatment device and method Download PDFInfo
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- CN111271784A CN111271784A CN202010201637.2A CN202010201637A CN111271784A CN 111271784 A CN111271784 A CN 111271784A CN 202010201637 A CN202010201637 A CN 202010201637A CN 111271784 A CN111271784 A CN 111271784A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 179
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 238000002156 mixing Methods 0.000 claims abstract description 26
- 230000008569 process Effects 0.000 claims description 18
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000000889 atomisation Methods 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 description 17
- 231100000719 pollutant Toxicity 0.000 description 17
- 230000000694 effects Effects 0.000 description 9
- 238000000746 purification Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
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- 230000009471 action Effects 0.000 description 4
- 238000004887 air purification Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0035—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/117—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using wet filtering
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The invention discloses a wet air treatment device, which comprises a conical tube, a water inlet pipe, a water outlet pipe and a water outlet pipe, wherein the conical tube is arranged in a large-size mode; the conical tube can rotate under the driving of the motor, and an included angle is formed between the rotation axis of the conical tube and the inner wall of the conical tube; a plurality of through holes are formed in the pipe wall of the conical pipe and are used as water outlets; a fan capable of rotating synchronously with the tapered tube; the outer cylinder is fixedly arranged outside the conical pipe; a gas-liquid mixing space is formed between the outer cylinder and the conical pipe; the water tank is fixedly arranged at the lower part of the conical pipe; the bottom end of the outer barrel is positioned above the water tank, and a space is formed between the water tank and the outer barrel; the water inlet of the conical pipe is positioned in the water tank, so that water can enter the inner cavity of the conical pipe. The invention does not depend on the atomization of water, has mild operation, low energy consumption, low noise and small appearance volume, and is particularly suitable for families and occasions with narrow space and requirements on silence. The invention also discloses a wet air treatment method.
Description
Technical Field
The invention relates to air treatment equipment, in particular to a wet air treatment device. The invention also relates to a wet air treatment method.
Background
In the purification treatment of industrial waste gas, a spray/wash tower is almost indispensable and is a preferred option in the purification scheme. The spraying/washing tower collects gaseous pollutants and solid pollutants in the air through liquid, and compared with purification equipment such as an electrostatic dust collector, a cloth bag filter, a filter element and the like, the spraying/washing tower has the advantages of super-strong purification capacity and wide application range. The synergistic substance is added into the solution in a targeted manner, so that the harmful impurities can be dissolved and adsorbed by water and then can further generate chemical reaction, thereby further enhancing the purification effect. Generally, this method of purifying air using liquid is called "wet" air purification; and the filter element, the filter bag, the photodecomposition and the like which do not need the participation of liquid are called dry air purification.
At present, in places such as households with high requirements on the conditions of volume, noise and the like, a dry air purifier is basically used. Although the 'dry method' air purifier has a good effect of removing solid pollutants such as PM2.5 and the like, the 'dry method' air purifier also has the defects of poor effect of removing gaseous pollutants, easiness in adsorption saturation, high use cost (the core needs to be changed regularly), secondary pollution caused by waste filter elements to the environment and the like, and particularly in a space with serious formaldehyde pollution, the 'dry method' air purifier cannot play a good purifying role. The existing industrial wet air purification equipment has the defects of large volume, high noise and complex maintenance, and is difficult to miniaturize and use in families.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a wet air treatment device, which can realize the treatment of air through a simple structure.
In order to solve the technical problems, the technical solution of the wet air treatment device of the invention is as follows:
comprises a conical tube which is arranged in a large-end and small-end manner; the conical tube can rotate under the driving of the motor, and an included angle is formed between the rotation axis of the conical tube and the inner wall of the conical tube; a plurality of through holes are formed in the pipe wall of the conical pipe and are used as water outlets; a fan capable of rotating synchronously with the tapered tube; the outer cylinder is fixedly arranged outside the conical pipe; the length of the outer cylinder is smaller than that of the conical pipe, so that the bottom of the conical pipe extends out of the outer cylinder from the lower part and is positioned below the liquid level line of the water tank; a gas-liquid mixing space is formed between the outer cylinder and the conical pipe; the water tank is fixedly arranged at the lower part of the conical pipe; the bottom end of the outer barrel is positioned above the water tank, and a space is formed between the water tank and the bottom end of the outer barrel; the water inlet of the conical pipe is positioned in the water tank, so that water can enter the inner cavity of the conical pipe.
In another embodiment, the fan is a fan; the space formed between the water tank and the outer cylinder is used as an air inlet, the top end of the outer cylinder is used as an air outlet, and the air flow in the gas-liquid mixing space flows from bottom to top; or, the fan is an air suction fan; the top end of the outer barrel is used as an air inlet, the space formed between the water tank and the outer barrel is used as an air outlet, and the air flow flows from top to bottom in the air-liquid mixing space.
In another embodiment, the highest position of the immersion liquid level of the conical pipe is the highest water level of the water tank, and the height of the bottom end of the conical pipe is the lowest water level of the water tank; the working water level of the device is between the highest water level and the lowest water level.
In another embodiment, a vertical distance is formed between the bottom end of the tapered tube and the bottom surface of the water tank.
In another embodiment, the inner wall of the conical tube is fixedly provided with one or more longitudinally extending blades.
In another embodiment, the height of the vanes is not less than the wall thickness of the conical tube.
In another embodiment, the extending direction of the blades forms an included angle with the axial direction of the conical pipe; or the blade is spiral; the rotation direction of the conical tube is opposite to the rotation direction of the spiral blades.
In another embodiment, the plurality of rows of through holes of the conical tube are staggered, so that at least one through hole is distributed at any height of the conical tube.
In another embodiment, the device also comprises an upper shaft which is fixedly connected with the top of the conical pipe through an upper shell; the lower shaft is fixedly connected with the bottom end of the conical pipe; the upper shaft is superposed with the rotary axis of the lower shaft and the rotary axis of the conical tube.
The invention also provides a wet air treatment method, which adopts the technical scheme that the wet air treatment method comprises the following steps:
injecting water into the water tank to a position between the highest water level and the lowest water level, so that the water enters the inner cavity of the conical pipe;
the conical tube and the fan are synchronously rotated; in the rotation process of the conical pipe, the inner wall of the conical pipe provides upward thrust for water, so that the water in the inner cavity of the conical pipe moves upwards along the inner wall of the conical pipe; the water in the inner cavity of the conical tube climbs from the small end to the large end of the conical tube along the inner wall of the conical tube, and when water flows through the through hole of the conical tube, the water is radially and outwards thrown out through the through hole, so that splashed water is fully distributed in a gas-liquid mixing space between the conical tube and the outer cylinder;
the rotation of the fan forms airflow, air enters the air-liquid mixing space from the air inlet and is mixed with water in the process of passing through the air-liquid mixing space, and therefore the air is treated.
In another embodiment, when the water in the inner cavity of the conical pipe moves upwards along the inner wall of the conical pipe, the inclined blades provide another upwards thrust to the water when the water contacts the blades on the inner wall of the conical pipe, so that the water in the inner cavity of the conical pipe moves upwards along the inner wall of the conical pipe.
The invention can achieve the technical effects that:
the invention can realize the gas and water delivery by only one motor without driving water or gas by other equipment. According to the invention, through the synchronous rotation of the conical pipe and the fan, the rotation of the conical pipe enables water to be conveyed from bottom to top and throws the water to the gas-liquid mixing channel through the through hole on the pipe wall of the conical pipe, and the rotation of the fan enables air flow to be conveyed in the gas-liquid mixing channel, so that the coaxial conveying and mixing of gas and liquid are realized, and the cost can be greatly saved.
The invention utilizes the component of the centrifugal force of the inclined plane in the vertical direction to generate upward force on water through the rotating motion of the conical pipe, and simultaneously utilizes the fluid effect formed by the continuous rotation of the conical pipe to enable the water to form upward fluid power, thereby realizing the transmission of the water from low to high.
Further, the invention also utilizes the inclined blades on the inner wall of the conical pipe to guide the water with upward movement force further upwards and finally to the top of the conical pipe, thereby realizing the water delivery. The water conveying mode of the invention gets rid of the dependence on the water pump and is realized by simple machinery, thereby thoroughly solving the trouble of noise.
According to the invention, the conical pipe is provided with the plurality of through holes, and at least one through hole is distributed at any position of the conical pipe along the height direction, so that water can be ejected at each height of the conical pipe when the conical pipe rotates, and uniform and dense rain wires are dispersed and formed in the mixing channel at the periphery of the conical pipe, thereby being beneficial to mixing of gas and water. The working efficiency of the invention depends on the water dispersing capacity of the conical pipe, and the water dispersing capacity of the conical pipe depends on the diameter and the number of the through holes distributed along the height on the conical pipe.
The invention can make the motor rotate to generate air flow while driving the fan to rotate, and the conical tube also rotates simultaneously, obviously, the rotating speed of the motor can simultaneously determine the flow rate of the air flow and the rotating speed of the conical tube, the larger the rotating speed of the conical tube is, the larger the flow rate of the air flow is, and the larger the generated air volume is, therefore, the invention has the nonlinear relation between the rotating speed of the conical tube and the working efficiency, and the air flow rises exponentially, therefore, the conical tube only needs hundreds of revolutions per minute to achieve higher purification or cooling efficiency.
The invention can successfully introduce the miniaturized 'wet method' air purifier into families, and has super-strong removal capability on gaseous pollutants, particularly on gaseous pollutants which are easy to dissolve in water, such as formaldehyde. The invention can also be used to increase air humidity or to decrease air temperature. The invention has the advantages of no dependence on water atomization in the purification, humidification or cooling process, mild operation, low energy consumption, low noise and small appearance volume, and is particularly suitable for families and occasions with narrow space and requirements on silence.
The invention has low use cost, does not need to replace the filter element regularly, and only needs to replace water.
The invention has simple and reliable structure and is easy to produce and maintain.
The invention has mild operation, low energy consumption and low noise.
The invention has simple and reliable structure, low requirement on precision and easy production and manufacture.
The invention has low requirement on the rotating speed, can be used at more than 600 revolutions per minute, does not need to be provided with a special motor, can share power with other equipment, and even can use wind power or manpower.
Drawings
It is to be understood by those skilled in the art that the following description is only exemplary of the principles of the present invention, which may be applied in numerous ways to achieve many different alternative embodiments. These descriptions are made for the purpose of illustrating the general principles of the present teachings and are not meant to limit the inventive concepts disclosed herein.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the general description given above and the detailed description of the drawings given below, serve to explain the principles of the invention.
The invention is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic view of a first embodiment of a wet air treatment unit according to the present invention; the embodiment can remove gaseous pollutants and solid pollutants in the air;
FIG. 2 is a schematic diagram of the working principle of the first embodiment of the present invention;
FIG. 3 is a schematic view of the tapered tube and fan of the present invention;
FIGS. 4 a-4 c are schematic views of a tapered tube and blades of the present invention;
FIGS. 5a to 5c are schematic views of the tapered tube and its through hole of the present invention;
FIGS. 6a to 6c are schematic views of a tapered tube and fan according to the present invention;
FIG. 7 is a schematic view of a second embodiment of the present invention; the embodiment can remove gaseous pollutants and solid pollutants in the air;
FIG. 8 is a schematic diagram of the working principle of a second embodiment of the present invention;
FIG. 9 is a schematic diagram of the operation of a third embodiment of the present invention; this embodiment enables the air temperature to be reduced;
FIG. 10 is a force analysis schematic of the vertical transport fluid concept of the present invention.
The reference numbers in the figures illustrate:
1 is a conical tube, 2 is a blade,
3 is an upper shell, 4 is an upper shaft,
5 is a lower shaft, 6 is an outer cylinder,
7 is a fan, 8 is a water tank,
9 is a dust screen, and 10 is a motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. As used herein, the terms "first," "second," and the like, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" and similar words are intended to mean that the elements or items listed before the word cover the elements or items listed after the word and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
As shown in fig. 1 to 2, a first embodiment of the wet air treatment device of the present invention comprises a tapered tube 1 with a large top and a small bottom, wherein the top of the tapered tube 1 is fixedly connected to an upper housing 3 through a connecting member, and an upper shaft 4 is formed at the top of the upper housing 3; a lower shaft 5 is formed at the bottom of the conical tube 1; the upper shaft 4 is superposed with the rotary axis of the lower shaft 5 and the rotary axis of the conical tube 1; the upper shaft 4 is connected with an overhead motor 10 so as to drive the conical pipe 1 to rotate, and the motor 10 can also be connected with the lower shaft 5;
the bottom of the conical pipe 1 is provided with a plurality of axial channels as water inlets; the pipe wall of the conical pipe 1 is provided with a plurality of through holes 1-1 as water outlets;
as shown in fig. 3, the conical tube 1 is fixedly connected with a fan 7, and the fan 7 is coaxially arranged with the conical tube 1; the conical tube 1 can drive the fan 7 to synchronously rotate while rotating; the fan 7 can adopt an axial flow fan or a centrifugal fan; the number of the fans 7 may be plural;
an outer cylinder 6 is sleeved outside the conical tube 1, and a gas-liquid mixing space is formed between the outer cylinder 6 and the conical tube 1 along the radial direction;
the length of the outer cylinder 6 is less than that of the conical pipe 1, so that the small end of the conical pipe 1 extends out of the outer cylinder 6 from the lower part;
a water tank 8 is arranged below the conical pipe 1, the lower end of the conical pipe 1 can be immersed into the liquid level in the water tank 8, and the bottom end of the outer cylinder 6 is positioned above the liquid level line of the water tank 8; a vertical space is formed between the water tank 8 and the outer cylinder 6;
if the exhaust fan 7 is adopted, the vertical space formed between the water tank 8 and the outer cylinder 6 is used as an air inlet, the upper end of the outer cylinder 6 is used as an air outlet, and the air flow in the air-liquid mixing space flows from bottom to top; a dustproof net 9 can be arranged between the water tank 8 and the outer cylinder 6, and the dustproof net 9 can prevent more impurities from entering the equipment, so that the service life of the equipment is prolonged; of course, an air suction fan 7 can also be adopted;
the water tank 8 has a highest water level and a lowest water level, the highest position where the conical pipe 1 can be immersed in the liquid level is the highest water level, and the height of the bottom end of the conical pipe 1 is the lowest water level; when the device works, the liquid level of the water tank 8 is between the highest water level and the lowest water level, and the liquid level below the lowest water level is used as a pollutant settling and concentrating area;
the bottom end of the conical tube 1 is higher than the bottom surface of the water tank 8, so that a distance is formed between the bottom end of the conical tube 1 and the bottom surface of the water tank 8.
The air treatment method comprises the following steps:
injecting water into the water tank 8 to a working water level between the highest water level and the lowest water level, wherein the water in the water tank 8 enters the inner cavity of the conical pipe 1 from a water inlet arranged at the small end of the conical pipe 1;
the motor 10 drives the conical tube 1 and the fan 7 to synchronously rotate through the upper shaft 4 or the lower shaft 5, in the rotating process of the conical tube 1, water in the inner cavity of the conical tube 1 is thrown to the inner wall of the conical tube 1 under the action of centrifugal force F1, the inner wall of the conical tube 1 gives water a reaction force F2, an included angle α is formed between the inner wall of the conical tube 1 and the vertical direction, the reaction force F2 forms an included angle α with the horizontal direction, and the reaction force F2 has a component F F along the vertical direction2TAnd a component F in the horizontal direction2PThe perpendicular component F2TSo that water can move upward along the inner wall of the conical pipe 1 as shown in fig. 10;
when water contacts with the blades on the inner wall of the conical pipe 1 in the rotating process, the inclined blades 2 can further provide upward thrust for the water to push the water to continue to move upwards; meanwhile, the inclined blades 2 can also provide a transverse force to the water, so that the water can move transversely, and the water can be spread over the inner wall of the conical pipe 1;
the motor 10 drives the conical tube 1 to continuously rotate, and under the combined action of the coanda effect, water climbs from the small end to the large end of the conical tube 1 and finally reaches the top of the inner wall of the conical tube 1;
the water in the inner cavity of the conical tube 1 flows through the through holes in the tube wall in the process of climbing upwards, the water is thrown out radially outwards through the through holes under the action of centrifugal force and impacts the inner wall of the outer tube 6, and the through holes are uniformly distributed at any height of the conical tube 1, so that the water is thrown out at any height of the conical tube 1, splashed water drops and a water line are fully distributed in a gas-liquid mixing space between the conical tube 1 and the outer tube 6, and the surface area of the water is greatly increased;
meanwhile, as the fan 7 and the conical pipe 1 rotate synchronously, airflow formed by the fan 7 enters the gas-liquid mixing space from the air inlet between the water tank 8 and the outer cylinder 6, and the airflow passes through the water body with the extremely large surface area in the gas-liquid mixing space, so that the air passes through the water body with the actively large surface area and is discharged from the air outlet; in the process, gas and liquid are mixed, and gaseous pollutants and solid pollutants in the air can enter the water phase, so that the aim of purifying the air is fulfilled; for gaseous pollutants which are insoluble or difficultly soluble in water, a surfactant or an oxidation/reduction agent can be added into the water to enhance the purification effect.
In the operation process of the invention, because the gas-liquid contact is sufficient, the water can be continuously evaporated, and the water level can be continuously reduced. According to the invention, a distance is formed between the bottom end of the conical pipe 1 and the bottom surface of the water tank 8, so that the water tank 8 has the lowest water level, the water body is used as a solid pollutant settling area and a gaseous pollutant concentration area in the air and cannot be evaporated and consumed, and when the water level is lower than the bottom end of the conical pipe 1, the conical pipe 1 cannot absorb water any more, so that the continuous work cannot be carried out.
The area and the number of the through holes formed in the pipe wall of the conical pipe 1 determine the height which can be reached by water; the area and the number of the through holes are controlled so that water can reach the large end of the conical pipe 1.
In order to prevent the water from splashing excessively and the water from being atomized under the action of centrifugal force, the running speed of the conical tube 1 is not more than 5000 revolutions per minute, and preferably 1000-3000 revolutions per minute.
As a preferred embodiment, the inner wall of the conical tube 1 is fixedly provided with one or more longitudinally extending blades 2; any two of the plurality of blades 2 do not interfere; the blades 2 can be directly fixed on the inner wall of the tapered tube 1, for example, the tapered tube 1 and the blades 2 are integrally injection-molded by a mold by using plastic, as shown in fig. 4a and 4 b; or the blades 2 are fixedly arranged on a blade fixing shaft which is longitudinally arranged in the inner cavity of the conical tube 1 in a penetrating manner, and the blades 2 are tightly attached to the inner wall of the conical tube 1, at this time, the conical tube 1 can be made of metal (such as stainless steel), and the conical tube 1 and the blades 2 are fixedly connected through extrusion or other modes, as shown in fig. 4 c; namely, the blades 2 and the conical pipe 1 can be integrally formed or can be split; the blade fixing shaft, the upper shaft 4 and the lower shaft 5 can be combined into a through shaft;
because the blades 2 protrude out of the inner wall of the conical pipe 1, when the conical pipe 1 is immersed in water, a layer of water film can be formed on the inner wall of the conical pipe 1; meanwhile, the blades 2 can also reduce the relative sliding friction force between the water film and the conical pipe 1, so that the rotating speed of the water film is improved, and the water film and the conical pipe 1 rotate synchronously; the height of the blades 2 determines the thickness of the water film attached to the inner surface of the conical tube 1; preferably, the height of the blades 2 is not less than the wall thickness of the conical tube 1.
As a further preferred embodiment, the extending direction of the blades 2 forms an included angle with the axial direction of the conical pipe 1; or, the blade 2 is spiral, as shown in fig. 4b and 4c, the inner wall of the conical tube 1 is provided with a plurality of spiral blades 2; controlling the rotation direction of the conical pipe 1 (namely the rotation direction of the water) to enable the rotation direction of the conical pipe 1 to be opposite to the rotation direction of the spiral blades, so that the blades 2 can provide upward thrust to the water, and the water is facilitated to flow upwards; if the rotation direction of the spiral blade is right, the rotation direction of the conical tube 1 is anticlockwise rotation;
of course, the blades 2 may also be straight edges extending in the axial direction, i.e. the extending direction of the blades 2 is the axial direction of the conical tube 1, as shown in fig. 4 a.
As shown in fig. 5a to 5c, the distribution of the plurality of through holes on the wall of the conical tube 1 may be random, as shown in fig. 5 b; or may be regularly distributed, as shown in fig. 5a, a plurality of rows of through holes are distributed along the circumference of the conical tube 1, and each row of through holes are arranged along the axial direction; the shape of the through-hole may be circular, square, rectangular, polygonal, bar-shaped, etc., as shown in fig. 5 c.
As a preferred embodiment, the multiple rows of through holes of the tapered tube 1 are staggered, that is, the height of each through hole in each row of through holes is different from the height of at least one row of through holes in other rows of through holes, so that at least one through hole is distributed at any height of the tapered tube 1, water can be thrown out at any height of the tapered tube 1, and the tapered tube 1 has good water distribution capacity.
As shown in fig. 6a to 6c, the fan 7 may be fixedly disposed at any position of the tapered tube 1 as long as it can rotate synchronously with the tapered tube 1; in particular, the fan 7 may be fixedly connected to the upper shaft 4 or the lower shaft 5, as shown in fig. 6 a; the fan 7 may also be fixedly connected to the upper housing 3, as shown in fig. 6 b; the fan 7 can also be directly fixedly connected with the conical tube 1 as shown in fig. 6 c.
Referring to fig. 7 to 8, a second embodiment of the wet air treatment device of the present invention is shown, which is different from the first embodiment in that a suction fan 7 is used, the upper end of the outer cylinder 6 is used as an air inlet, and the gap formed between the outer cylinder 6 and the liquid level line is used as an air outlet; the dust screen 9 is disposed at the upper end of the outer cylinder 6, and the air flow in the air-liquid mixing space flows from top to bottom.
Fig. 9 shows a third embodiment of the wet air processing device according to the present invention, which is different from the first embodiment in that a suction fan 7 is used to cool the air, the upper end of the outer cylinder 6 is used as an air inlet, and a vertical gap formed between the outer cylinder 6 and the liquid level line is used as an air outlet; the dustproof net 9 is arranged at the upper end of the outer cylinder 6, and the air flow in the air-liquid mixing space flows from top to bottom at the moment;
when the air current mixes with the dispersed water in the gas-liquid mixture space, water can absorb the heat at the in-process of rapid evaporation to realize the purpose that reduces the air temperature. Obviously, the higher the rotation speed of the conical pipe 1 and the fan 7 is, the higher the air speed is, the higher the evaporation speed of water is, and the higher the cooling efficiency is.
The invention is based on the practical research of a large number of experiments, and experiments prove that when the rotating speed of the conical pipe reaches 600 revolutions per minute, water can flow upwards along the inner wall of the conical pipe, thereby effectively purifying air. Obviously, the invention also utilizes the Bernoulli principle of hydrodynamics and the coanda effect of fluid, because when the conical pipe continuously rotates, the inner surface of the conical pipe can continuously bring water up to form continuous fluid which has hydrodynamic force and flows upwards, thereby realizing the flow of water from bottom to top; on the other hand, water continuously splashes in the gas-liquid mixing space of the conical pipe and the outer cylinder and disturbs the flow of gas continuously, so that the air is in more sufficient contact with the water, and pollutants are easier to enter the water phase.
The air purification effect of the invention is influenced by the height of the conical tube, the rotating speed of the conical tube, the number of the open holes, the shape of the holes, the size of the holes and the shape of the blades, and can be selected and matched according to actual requirements.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (10)
1. A wet air treatment device is characterized in that: comprises that
The conical tube is arranged in a large-upper-part and small-lower-part manner; the conical tube can rotate under the driving of the motor, and an included angle is formed between the rotation axis of the conical tube and the inner wall of the conical tube; a plurality of through holes are formed in the pipe wall of the conical pipe and are used as water outlets;
a fan capable of rotating synchronously with the tapered tube;
the outer cylinder is fixedly arranged outside the conical pipe; the length of the outer cylinder is smaller than that of the conical pipe, so that the bottom of the conical pipe extends out of the outer cylinder from the lower part and is positioned below the liquid level line of the water tank; a gas-liquid mixing space is formed between the outer cylinder and the conical pipe; and
the water tank is fixedly arranged at the lower part of the conical pipe; the bottom end of the outer barrel is positioned above the water tank, and a space is formed between the water tank and the bottom end of the outer barrel; the water inlet of the conical pipe is positioned in the water tank, so that water can enter the inner cavity of the conical pipe.
2. The wet process air treatment device of claim 1, wherein: the fan is an exhaust fan; the space formed between the water tank and the outer cylinder is used as an air inlet, the top end of the outer cylinder is used as an air outlet, and the air flow in the gas-liquid mixing space flows from bottom to top; or, the fan is an air suction fan; the top end of the outer barrel is used as an air inlet, the space formed between the water tank and the outer barrel is used as an air outlet, and the air flow flows from top to bottom in the air-liquid mixing space.
3. The wet process air treatment device of claim 1, wherein: the highest position of the liquid level of the conical pipe is the highest water level of the water tank, and the height of the bottom end of the conical pipe is the lowest water level of the water tank; the working water level of the device is between the highest water level and the lowest water level.
4. The wet process air treatment device of claim 1, wherein: a vertical distance is formed between the bottom end of the conical pipe and the bottom surface of the water tank.
5. The wet process air treatment device of claim 1, wherein: one or more blades extending along the longitudinal direction are fixedly arranged on the inner wall of the conical pipe.
6. The wet process air treatment device of claim 5, wherein: the height of the blade is not less than the wall thickness of the conical tube.
7. The wet process air treatment device of claim 5, wherein: an included angle is formed between the extending direction of the blades and the axial direction of the conical pipe; or the blade is spiral; the rotation direction of the conical tube is opposite to the rotation direction of the spiral blades.
8. The wet process air treatment device of claim 1, wherein: the multiple rows of through holes of the conical tube are staggered, so that at least one through hole is distributed at any height of the conical tube.
9. A wet air treatment process, comprising the steps of:
injecting water into the water tank to a position between the highest water level and the lowest water level, so that the water enters the inner cavity of the conical pipe;
the conical tube and the fan are synchronously rotated; in the rotation process of the conical pipe, the inner wall of the conical pipe provides upward thrust for water, so that the water in the inner cavity of the conical pipe moves upwards along the inner wall of the conical pipe; the water in the inner cavity of the conical tube climbs from the small end to the large end of the conical tube along the inner wall of the conical tube, and when water flows through the through hole of the conical tube, the water is radially and outwards thrown out through the through hole, so that splashed water is fully distributed in a gas-liquid mixing space between the conical tube and the outer cylinder;
the rotation of the fan forms airflow, air enters the air-liquid mixing space from the air inlet and is mixed with water in the process of passing through the air-liquid mixing space, and therefore the air is treated.
10. A method of increasing the humidity of air according to claim 9, wherein: when water in the inner cavity of the conical pipe moves upwards along the inner wall of the conical pipe, the inclined blades provide another upwards thrust for the water when the water contacts the blades on the inner wall of the conical pipe, so that the water in the inner cavity of the conical pipe moves upwards along the inner wall of the conical pipe.
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| CN202010201637.2A CN111271784A (en) | 2020-03-20 | 2020-03-20 | Wet air treatment device and method |
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| CN202010201637.2A CN111271784A (en) | 2020-03-20 | 2020-03-20 | Wet air treatment device and method |
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Address after: No. a5002-425, district A1, fuxingcheng, No. 32 Binhai Avenue, Longhua District, Haikou City, Hainan Province 570105 Applicant after: Shuiai Electrical Technology (Hainan) Co.,Ltd. Address before: 201315 No. 3999, Lane 1, Sau Pu Road, Shanghai, Pudong New Area Applicant before: Shuiai Electrical Technology (Shanghai) Co.,Ltd. |
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