CN116237176B - Built-in atomization device and built-in atomization method - Google Patents
Built-in atomization device and built-in atomization method Download PDFInfo
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- CN116237176B CN116237176B CN202310526182.5A CN202310526182A CN116237176B CN 116237176 B CN116237176 B CN 116237176B CN 202310526182 A CN202310526182 A CN 202310526182A CN 116237176 B CN116237176 B CN 116237176B
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- atomized
- atomization
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a built-in atomization device and a built-in atomization method, which relate to the field of atomization devices and comprise a cylinder barrel, wherein a venturi nozzle and a plurality of medium outlets for flowing out an atomization medium are fixed on the cylinder barrel, the venturi nozzle is provided with an injection port, an air inlet for entering compressed air and a small-diameter section positioned between the injection port and the air inlet, and the injection port is positioned in the cylinder barrel so that the injection direction of a material faces the cylinder barrel; the small-diameter section is provided with a suction port capable of generating negative pressure under the action of high-speed air flow; an outlet valve is arranged at the medium outlet. The invention can take the atomized medium at any time, and does not cause a great deal of waste of the atomized medium; through twice atomization, the granularity of an atomization medium is ensured to meet the use requirement.
Description
Technical Field
The invention relates to the field of atomization, in particular to a built-in atomization device and a built-in atomization method.
Background
Atomization refers to the operation of dispersing a liquid into tiny droplets through a nozzle or with a high velocity gas stream. Atomizing devices are required in many fields to atomize substances; if during cutting, the lubricating coolant is required to be atomized, and the atomized lubricating coolant is sprayed at the cutting position by utilizing an atomization nozzle, so that the atomized lubricating coolant is easier to be heated and evaporated, residues are avoided, and the requirements of green machining are met; and the lubricating coolant is atomized by the atomizing device and then acts on the processing position, so that the use of the lubricating coolant is saved during lubrication.
The atomizing devices on the market are various at present, but are all external atomizing devices, such as an atomizing nozzle, and an atomizing medium is generated at the nozzle; the atomized medium generated by the atomizing nozzle can fly in the air, so that a large amount of atomized medium cannot be completely acted on the position needing to act, a large amount of atomized medium is wasted, and the cost is increased; and the atomization nozzle can perform atomization once, so that the granularity of an atomization medium can be limited.
Disclosure of Invention
The invention aims at: aiming at the problems, the built-in atomization device and the built-in atomization method are provided, so that an atomization medium can be taken at any time, and a great amount of atomization medium is not wasted; through twice atomization, the granularity of an atomization medium is ensured to meet the use requirement.
The technical scheme adopted by the invention is as follows: the built-in atomizing device comprises a cylinder barrel, wherein a venturi nozzle is fixed on the cylinder barrel, and a plurality of medium outlets for flowing out atomizing mediums are formed in the cylinder barrel, the venturi nozzle is provided with an injection port, an air inlet for entering compressed air and a small-diameter section positioned between the injection port and the air inlet, and the injection port is positioned in the cylinder barrel so that the material injection direction faces the cylinder barrel; the small-diameter section is provided with a suction port capable of generating negative pressure under the action of high-speed air flow; an outlet valve is arranged at the medium outlet.
Further, a flow valve capable of adjusting the flow rate of the liquid entering the small-diameter section is arranged at the suction port.
Further, a screen plate dividing the cylinder barrel into a first chamber and a second chamber is arranged in the cylinder barrel, and the jet orifice is positioned in the first chamber; the outlet valve is communicated with the first chamber; the second chamber is used for storing liquid to be atomized.
Further, the first chamber is located above the second chamber, and the mesh plate has mesh openings.
Further, the jet port is directed toward the mesh plate.
Further, a pipe joint is arranged at the medium outlet, and the outlet valve is assembled between the pipe joint and the medium outlet.
Further, an air compressor for generating compressed air is connected to the air inlet.
Further, a safety valve is arranged on the cylinder barrel.
Further, the safety valve is located at the top of the cylinder tube, and a filter for filtering the atomizing medium is provided at the safety valve.
A built-in atomization method, which uses the built-in atomization device, comprises the following steps:
s1: connecting an air compressor capable of generating compressed air to the air inlet;
s2: filling liquid to be atomized into the cylinder barrel;
s3: compressed air generated by the air compressor enters the venturi nozzle from the air inlet;
s4: the compressed air is subjected to restricted flow between the air inlet and the small-diameter section, a venturi effect is generated when the compressed air passes through the small-diameter section of the venturi nozzle to form high-speed air flow, and the suction port is formed to be relatively negative pressure to suck the liquid to be atomized from the cylinder barrel;
s5: the liquid to be atomized enters the venturi nozzle from the suction port and then is mixed with high-speed airflow, and primary atomization of the liquid to be atomized occurs under the impact of the high-speed airflow;
s6: the liquid which is atomized for the first time is carried by high-speed air flow and sprayed out from the jet orifice of the Venturi nozzle at high speed, and the liquid which is atomized for the first time impacts the inner structure of the cylinder barrel at high speed to be atomized again;
s7: the liquid subjected to the two atomization forms liquid mist which is stored in the cylinder barrel, and the built-in atomization is completed to wait for use.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
according to the invention, the liquid to be atomized can be stored in the cylinder barrel after being atomized by the built-in atomization, and atomized medium after atomization can be directly prepared during use, and compared with external atomization, linear injection is easier to form, so that the atomized medium can be more easily acted on the position to be acted, the atomized medium is reduced from escaping into the air, the unused atomized medium can be reserved in the cylinder barrel, the aim of greatly reducing lubricating oil waste is comprehensively achieved, and the production cost is reduced while the lubricating and cooling effects are improved.
Drawings
The invention will now be described by way of example and with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the venturi nozzle of the present disclosure;
the marks in the figure: 1-an air compressor; 2-venturi nozzle; 21-an air inlet; 22-a suction port; 23-jet ports; 24-small diameter section; 3-cylinder barrel; 31-a first chamber; 32-a second chamber; 4-outlet valve; 5-screen plate; 51-mesh; 6-a flow valve; 7-safety valve.
Detailed Description
All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
Any feature disclosed in this specification may be replaced by alternative features serving the same or equivalent purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.
Example 1
As shown in fig. 1-2, the built-in atomization device comprises a cylinder barrel 3, wherein a venturi nozzle 2 is fixed on the cylinder barrel 3, and a plurality of medium outlets for discharging atomization medium are formed, the venturi nozzle 2 is provided with an injection port 23, an air inlet 21 for entering compressed air and a small diameter section 24 positioned between the injection port 23 and the air inlet 21, and the injection port 23 is positioned in the cylinder barrel 3 so that the material injection direction is towards the inside of the cylinder barrel 3; the small-diameter section 24 is provided with a suction port 22 capable of generating negative pressure under the action of high-speed air flow, and the suction port 22 is connected with a liquid tank for storing liquid to be atomized and can suck the liquid to be atomized from the liquid tank; an outlet valve 4 is arranged at the medium outlet.
Specifically, the compressed air is restricted to flow after entering the venturi nozzle 2 from the air inlet 21, the restricted flow compressed air has a phenomenon that the flow velocity of the fluid increases when passing through the reduced flow end face (small diameter section 24), namely, the compressed air forms high-speed airflow, the flow velocity of the compressed air is inversely proportional to the flow cross section, while the Bernoulli's law shows that the increase of the flow velocity is accompanied by the decrease of the pressure of the fluid (venturi phenomenon), when the pressure at the small diameter section 24 is lower than the pressure in a liquid tank, the liquid to be atomized in the liquid tank is sucked into the venturi nozzle 2 from the suction opening 22 to be mixed with the high-speed airflow, and is impacted by the high-speed airflow to generate primary atomization, then is sprayed into the cylinder 3 from the jet orifice 23, and is atomized again to form liquid mist to complete the whole process of built-in atomization.
In this embodiment, the outlet valve 4 may be a valve with a certain opening pressure, such as a ball valve, a safety valve 7, or a conventional valve body with opening pressure; because the air pressure in the cylinder 3 can rise along with the continuous entering of the high-speed air flow into the cylinder 3, when the pressure in the cylinder 3 reaches the opening pressure of the outlet valve 4, the outlet valve 4 is automatically opened, and the high air pressure in the cylinder 3 can be used as the atomizing medium and the air in the cylinder 3 to be conveyed out of the power of the cylinder 3, so that the purpose of conveying without other conveying devices is achieved; the mode is to have corrosive liquid to be atomized, and the power device (such as peristaltic pump) which is not transported before and after preliminary atomization and before and after secondary atomization is adopted, so that the medium flow is realized completely by means of pressure difference, and the purchase, operation and maintenance costs of the power device are reduced.
In the embodiment, the atomization medium with built-in atomization is all restrained in the cylinder 3, the needed atomization medium is fetched according to the used amount when in use, and unused atomization medium is stored in the cylinder 3; compared with an atomization medium generated by external atomization, the atomization medium has a large diffusion surface, and only a small part of the diffusion surface is used; therefore, compared with the external atomization device, the internal atomization device provided by the embodiment has the effect of reducing the use amount of the liquid to be atomized, thereby achieving the effect of reducing the wasted amount.
In the embodiment, the built-in atomization is that the first atomization of the liquid to be atomized is finished through the high-speed airflow impact, and then the high-speed airflow carrier finishes the first atomization and the atomized medium impacts the structure in the cylinder barrel 3 to finish the second atomization; the atomization effect is improved through a twice atomization mode, and the granularity of atomized medium after atomization is ensured to meet the requirement.
In this embodiment, since the atomized medium is stored in the cylinder 3, the adjustment of the atomized medium is easier to control, that is, compared with external atomization, the atomized medium generated by internal atomization is easier to form linear injection after adjustment, for the field of cutting processing, the linear injection is easier to apply the atomized medium to the workpiece processing position, and the injection direction, the injection amount and the injection speed of the atomized medium are easier to control pertinently according to different requirements; such as by connecting a line head with a delivery line at the outlet valve 4.
Example 2
Further embodiments are presented which can be implemented on the basis of example 1.
As shown in fig. 2, parameters such as pressure value, pressure difference and the like of compressed gas are selected from venturi nozzles 2 with different small diameter sections 24, and the amount of sucked liquid entering the venturi nozzles 2 can be calculated according to a fluid equation, so that the control of the amount of liquid used according to actual conditions is realized; however, for replacement of the venturi nozzle 2, both disassembly and calculation are relatively cumbersome; therefore, a flow valve 6 capable of adjusting the flow rate is additionally arranged at the suction port 22, and the flow valve 6 directly controls the amount of liquid entering the small-diameter section 24 of the venturi nozzle 2; on the other hand, the flow valve 6 is arranged to control the liquid taking part in atomization, and the compressed air is added to control the pressure entering the Venturi nozzle 2, so that the granularity of the liquid after primary atomization can be controlled, and the granularity of the final liquid mist is further controlled; in theory, it was found that a mist having a particle size of micron (0.1 um to 10 um) could be produced by the method disclosed in this example.
In a possible embodiment, as shown in fig. 1, a screen 5 dividing the cylinder 3 into a first chamber 31 and a second chamber 32 is disposed in the cylinder 3, the injection port 23 is located in the first chamber 31, the screen 5 has high strength and can bear the impact of high-speed air flow, that is, the high-speed air flow from the venturi nozzle 2 impacts on the screen 5 to further atomize the liquid to be atomized to form an atomized medium, the atomized medium is stored in the first chamber 31 for use, the outlet valve 4 is communicated with the first chamber 31, and the atomized medium in the first chamber 31 flows out from the outlet valve 4; the second chamber 32 is used for storing liquid to be atomized, and the suction port 22 is communicated with the oil tank through the second chamber 32, and the second chamber 32 provides the venturi nozzle 2 with liquid to be atomized.
In the present embodiment, the net plate 5 is provided with at least two functions; firstly, the first chamber 31 is located above the second chamber 32, and the mesh plate 5 is provided with mesh holes 51, the mesh holes 51 enable the first chamber 31 and the second chamber 32 not to be completely isolated, unused liquid mist stored in the first chamber 31 can be collected, and then flows back to the liquid to be atomized in the second chamber 32 through the mesh holes 51 under the action of self gravity, so that the purpose of recovery is achieved; and the liquid to be atomized is atomized for the second time in the first chamber 31, the generated atomized medium is positioned in the first chamber 31, the first chamber 31 is arranged above the second chamber 32, the atomized medium which can be suspended is reserved in the first chamber 31, and larger particles which cannot be suspended flow back to the second chamber 32 through the mesh holes 51 on the screen 5 under the action of self gravity, so that the screening purpose is achieved, and the granularity of the atomized medium is ensured. Secondly, the screen plate 5 replaces the inner wall of the cylinder barrel 3 to bear the impact of high-speed air flow, so that the damage to the cylinder barrel 3 is reduced, and the service life is ensured; of course, the screen 5 may be damaged even if the system is operated for a long time, so the screen 5 may be detachably connected with the cylinder 3 (in a conventional detachable connection manner), thereby achieving the purpose of conveniently replacing the screen 5.
Further, the jet direction of the jet orifice 23 of the venturi nozzle 2 is perpendicular to the screen 5, so that the liquid from the jet orifice 23 has no component speed when acting on the screen 5, and the impact force on the screen 5 is maximum under the same kinetic energy condition, and atomization is more thorough.
Further, when the liquid to be atomized is stored in the cylinder 3, the suction port 22 is connected with the cylinder 3, and at least two powers of the liquid to be atomized entering the venturi nozzle 2 are provided; first, as described in example 1, a low pressure is created by the venturi effect, which draws the liquid to be atomized into the small diameter section 24 of the venturi nozzle 2; secondly, thanks to the design of the structural relationship among the mesh plate 5, the first chamber 31 and the second chamber 32, as the high-speed air flow continuously enters the cylinder 3, the pressure generated by the atomizing medium in the first chamber 31 increases, so that the liquid to be atomized in the second chamber 32 is subjected to high pressure, and the liquid to be atomized is pressed into the small-diameter section 24 of the venturi nozzle 2.
In a practical embodiment, the medium outlet is provided with a pipe joint, the outlet valve 4 is arranged between the pipe joint and the medium outlet, and the pipe joint can be abutted with a conveying pipe in use.
A possible embodiment is that the air inlet 21 is connected to an air compressor 1, which air compressor 1 is capable of generating compressed air and entering the venturi nozzle 2 through the air inlet 21 for venturi effect.
Example 3
Further embodiments are presented which can be implemented on the basis of any one of the embodiments of examples 1-2.
As shown in fig. 1, a safety valve 7 is arranged on the cylinder 3 to avoid explosion of the cylinder 3 caused by excessive pressure in the cylinder 3; specifically, when the pressure in the cylinder barrel 3 reaches the opening pressure of the safety valve 7, the safety valve 7 is opened to release the pressure, so that the aim of pressure relief protection is fulfilled.
Further, in order to avoid the atomized medium from escaping and causing unnecessary waste, the safety valve 7 is positioned at the top of the cylinder 3, and a filter for filtering the atomized medium is arranged at the safety valve 7, so that the atomized medium can be filtered, and the filter blocks the atomized medium from escaping from the cylinder 3; the atomization medium stacked in the filter is collected and can flow back into the cylinder barrel 3 under the action of self gravity, so that the purpose of recycling is achieved.
Example 4
As shown in fig. 1-2, a method for built-in atomization, using the built-in atomization device according to any one of embodiments 1-3, includes the following steps:
s1: an air compressor 1 capable of generating compressed air is connected to the air inlet 21;
s2: filling the second chamber 32 of the cylinder 3 with a liquid to be atomized;
s3: compressed air generated by the air compressor 1 enters the venturi nozzle 2 from the air inlet 21;
s4: the compressed air is subjected to limited flow between the air inlet 21 and the small-diameter section 24, the compressed air generates venturi effect to form high-speed air flow when passing through the small-diameter section 24 of the venturi nozzle 2, and the suction port 22 forms relative negative pressure to suck the liquid to be atomized from the second chamber 32 of the cylinder 3;
s5: the liquid to be atomized enters the venturi nozzle 2 from the suction port 22 and is mixed with high-speed airflow, and primary atomization of the liquid to be atomized occurs under the impact of the high-speed airflow;
s6: the liquid which is atomized for the first time is carried by high-speed air flow and sprayed out from the spraying opening 23 of the Venturi nozzle 2 at high speed, and the liquid which is atomized for the first time impacts the inner structure of the cylinder barrel 3 at high speed to be atomized again;
s7: the liquid subjected to the two atomization is stored in the cylinder 3 to complete the built-in atomization and wait for use.
The invention is not limited to the specific embodiments described above. The invention extends to any novel one, or any novel combination, of the features disclosed in this specification, as well as to any novel one, or any novel combination, of the steps of the method or process disclosed.
Claims (4)
1. A built-in atomizing device, characterized in that: the device comprises a cylinder barrel (3), wherein a venturi nozzle (2) is fixed on the cylinder barrel (3), and a plurality of medium outlets for flowing out an atomization medium are formed, the venturi nozzle (2) is provided with an injection port (23), an air inlet (21) for entering compressed air and a small-diameter section (24) positioned between the injection port (23) and the air inlet (21), and the injection port (23) is positioned in the cylinder barrel (3) so that the material injection direction faces the cylinder barrel (3); the small-diameter section (24) is provided with a suction port (22) capable of generating negative pressure under the action of high-speed air flow, the suction port (22) can suck liquid to be atomized, and the liquid to be atomized is impacted by compressed air at high speed at the suction port (22) to be atomized for the first time; an outlet valve (4) is arranged at the medium outlet, and the outlet valve (4) has an opening pressure; a screen (5) dividing the cylinder barrel (3) into a first chamber (31) and a second chamber (32) is arranged in the cylinder barrel (3), and the jet orifice (23) is positioned in the first chamber (31); the outlet valve (4) is in communication with the first chamber (31); the second chamber (32) is used for storing liquid to be atomized; the first chamber (31) is located above the second chamber (32), and the mesh plate (5) has a mesh (51); the jet orifice (23) is forward oriented to the screen plate (5) so that the liquid atomized for the first time is carried by high-speed airflow and is jetted out from the jet orifice (23) of the Venturi nozzle (2) at a high speed, and the liquid atomized for the first time is impacted on the screen plate (5) at a high speed to be atomized again; the screen plate (5) is detachably connected with the cylinder barrel (3); a flow valve (6) capable of adjusting the flow rate of the liquid entering the small-diameter section (24) is arranged at the suction port (22); a safety valve (7) is arranged on the cylinder barrel (3); the safety valve (7) is positioned at the top of the cylinder barrel (3), and a filter for filtering the atomization medium is arranged at the safety valve (7).
2. The in-line atomizing device according to claim 1, wherein: the medium outlet is provided with a pipe joint, and the outlet valve (4) is assembled between the pipe joint and the medium outlet.
3. The in-line atomizing device according to claim 1, wherein: the air inlet (21) is connected with an air compressor (1) for generating compressed air.
4. A built-in atomization method using the built-in atomization device according to any one of claims 1-3, characterized in that: the method comprises the following steps:
s1: -connecting an air compressor (1) capable of generating compressed air to an air inlet (21);
s2: filling the cylinder barrel (3) with liquid to be atomized;
s3: compressed air generated by the air compressor (1) enters the Venturi nozzle (2) from the air inlet (21);
s4: the compressed air is subjected to restricted flow between the air inlet (21) and the small-diameter section (24), a venturi effect is generated when the compressed air passes through the small-diameter section (24) of the venturi nozzle (2) to form high-speed air flow, and the suction port (22) forms relative negative pressure to suck liquid to be atomized from the cylinder barrel (3);
s5: the liquid to be atomized enters the venturi nozzle (2) from the suction port (22) and is mixed with high-speed airflow, and the liquid to be atomized is subjected to primary atomization under the impact of the high-speed airflow;
s6: the liquid which is atomized for the first time is carried by high-speed air flow and sprayed out from the spraying opening (23) of the Venturi nozzle (2) at high speed, and the liquid which is atomized for the first time impacts the screen (5) at high speed to be atomized again;
s7: the liquid which is atomized twice is stored in the cylinder barrel (3), and the built-in atomization is completed and the use is waited.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310526182.5A CN116237176B (en) | 2023-05-11 | 2023-05-11 | Built-in atomization device and built-in atomization method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310526182.5A CN116237176B (en) | 2023-05-11 | 2023-05-11 | Built-in atomization device and built-in atomization method |
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| CN116237176A CN116237176A (en) | 2023-06-09 |
| CN116237176B true CN116237176B (en) | 2023-07-25 |
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