CN216022215U - Cutting fluid ultraviolet ray degassing unit - Google Patents
Cutting fluid ultraviolet ray degassing unit Download PDFInfo
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- CN216022215U CN216022215U CN202120914896.XU CN202120914896U CN216022215U CN 216022215 U CN216022215 U CN 216022215U CN 202120914896 U CN202120914896 U CN 202120914896U CN 216022215 U CN216022215 U CN 216022215U
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Abstract
An ultraviolet disinfection device for cutting fluid, which comprises a metal long tube, a glass tube, an ultraviolet lamp tube, a disinfection tube liquid inlet, a disinfection tube liquid outlet and a disinfection tube base; the outer diameter of the ultraviolet lamp tube is smaller than the inner diameter of the glass tube, and the outer diameter of the glass tube is smaller than the inner diameter of the long metal tube; the glass tube is sleeved outside the ultraviolet tube, the long metal tube is sleeved outside the glass tube, a cutting fluid channel is formed between the long metal tube and the glass tube, and the liquid inlet and the liquid outlet of the disinfection tube are respectively communicated with the cutting fluid channel formed between the long metal tube and the glass tube. The cutting fluid ultraviolet disinfection device adopts an ultraviolet sterilization and disinfection technology, and ultraviolet sterilization and disinfection is realized by utilizing ultraviolet rays with proper wavelength to destroy the molecular structure of DNA or RNA in microbial organism cells, so that growth cell death and regeneration cell death are caused, and the effect of sterilization and disinfection is achieved.
Description
Technical Field
The utility model belongs to the technical field of cutting fluid treatment in the field of energy conservation and environmental protection of machining in the environmental protection industry, and particularly relates to an ultraviolet disinfection device for cutting fluid.
Background
At present, the environment pollution caused by the cutting processing method at home and abroad is still great. Non-traditional dry machining methods such as dry cutting, air jet cooling, liquid nitrogen cooling and the like appear, but the dry machining method has the defect that the dry machining method is difficult to solve at present, so that the method is relatively far away from wet machining for comprehensively replacing water-based cutting fluid, and the development of high-performance green environment-friendly water-based metal cutting fluid still has important significance. The metal cutting fluid is generally used in the machining process, and has the effects of cooling, lubricating, cleaning, preventing rust and the like.
Although there are many and gradually mature methods for treating the waste liquid of metal working fluid, these methods cause the loss of a large amount of effective components in the metal cutting fluid without exception, and in the prior art, most of the methods adopt an ozone sterilization technology, ozone gas is easy to leak, and if the ozone gas is one of greenhouse effect gases at a high concentration, the ozone gas can also cause harm to human bodies and damage to human cells. Therefore, the cutting fluid ultraviolet disinfection device has important significance for low treatment cost, energy conservation and emission reduction, harmlessness to human and environmental friendliness.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: overcomes the defects of the prior art and provides a cutting fluid ultraviolet disinfection device.
The technical solution of the utility model is as follows:
an ultraviolet disinfection device for cutting fluid, which comprises a long metal tube, a glass tube, an ultraviolet lamp tube, a disinfection tube liquid inlet and a disinfection tube liquid outlet; the outer diameter of the ultraviolet lamp tube is smaller than the inner diameter of the glass tube, and the outer diameter of the glass tube is smaller than the inner diameter of the long metal tube; the glass tube is sleeved outside the ultraviolet tube, the long metal tube is sleeved outside the glass tube, a cutting fluid channel is formed between the long metal tube and the glass tube, and the liquid inlet and the liquid outlet of the disinfection tube are respectively communicated with the cutting fluid channel formed between the long metal tube and the glass tube.
Further, the disinfection device comprises an ultraviolet lamp tube cleaning device, the ultraviolet lamp tube cleaning device comprises a cleaning piston, a lead screw and a cleaning motor, a central through hole glass tube is arranged in the center of the cleaning piston and penetrates through the central through hole arranged in the center of the cleaning piston, and the outer edge of the cleaning piston is abutted against the inner wall of the metal long tube; the cleaning motor is connected with the screw rod, and the cleaning piston is sleeved on the screw rod.
Further, the cleaning piston comprises a first magnet, a second magnet and a cleaning piston threaded hole; the central through hole that clean piston center set up is provided with the rubber circle of clean usefulness, the inner wall and the glass pipe outer wall butt of the rubber circle of clean usefulness, and first magnet and second magnet are arranged in clean piston, and the lead screw passes clean piston screw hole and is connected with clean piston screw hole cooperation.
Furthermore, the ultraviolet lamp tube cleaning device comprises a limiting device, the limiting device comprises a first position switch and a second position switch, and the first position switch and the second position switch are respectively arranged at two ends of the ultraviolet lamp tube.
Further, ultraviolet tube cleaning device includes first spring and second spring, and the lead screw both ends are provided with polished rod portion, and first spring and second spring pass the polished rod portion that the lead screw both ends set up respectively.
Further, cutting fluid ultraviolet ray degassing unit includes sealing device, sealing device includes end cap and lower end cap, go up the end cap and set up respectively in ultraviolet tube both ends with end cap down, it all is "concave" style of calligraphy with end cap appearance down to go up the end cap, and go up the end cap and all be provided with central through-hole at the center with end cap down, the outer wall of metal long tube is located to the inner wall cover of "concave" style of calligraphy of going up end cap and end cap down, ultraviolet tube is located to the central through-hole cover that goes up end cap and end cap center down set up, go up between the inner wall of "concave" style of calligraphy of end cap and the outer wall of metal long tube and be provided with the sealing washer between the central through-hole that goes up end cap and end cap center down set up and the ultraviolet tube.
Compared with the prior art, the utility model has the advantages that:
1. the cutting fluid ultraviolet disinfection device of the utility model abandons the ozone disinfection technology commonly used by other equipment manufacturers in China, adopts the ultraviolet sterilization disinfection technology, and utilizes ultraviolet rays with proper wavelength to destroy the molecular structure of DNA or RNA in microbial organism cells, so as to cause growth cell death and regenerative cell death, thereby achieving the effect of sterilization and disinfection.
2. According to the cutting fluid ultraviolet disinfection device, the first magnet and the second magnet are fixedly arranged in the cleaning piston, so that the problem that in the prior art, the magnet is fixed on the piston in an adhesive mode, the piston moves back and forth in liquid, and the magnet falls off after a long time, so that equipment failure is caused is solved.
3. According to the ultraviolet disinfection device for the cutting fluid, the two ends of the lead screw are provided with the polished rod parts, and the first spring and the second spring respectively penetrate through the polished rod parts arranged at the two ends of the lead screw, so that the problem that a motor is damaged after a position switch is damaged by adopting a full-thread lead screw in the prior art is solved.
4. According to the cutting fluid ultraviolet disinfection device, two ends of a copper pipe in a disinfection pipe are sealed by sealing rings. The end caps at the two ends of the disinfection tube are sealed by the sealing rings, so that the problem that the disinfection tube is inconvenient to disassemble and maintain due to the glue pouring mode in the prior art is solved, and in addition, the disinfection tube is more environment-friendly without glue pouring.
Drawings
FIG. 1 is a schematic view showing the construction of the cutting fluid ultraviolet ray sterilizing apparatus of the present invention;
FIG. 2 is a schematic view showing the structure of a cleaning piston in the ultraviolet ray sterilizing apparatus for cutting fluid according to the present invention;
FIG. 3 is a bottom partial view of the ultraviolet ray disinfection apparatus for cutting fluid according to the present invention.
Detailed Description
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The cutting fluid ultraviolet disinfection device provided by the utility model abandons an ozone disinfection technology commonly used by other domestic equipment manufacturers and adopts an ultraviolet sterilization disinfection technology. Ozone gas is easy to leak, and if the ozone gas is one of greenhouse effect gases at a higher concentration, the ozone gas can also cause harm to human bodies and damage to human cells. The ultraviolet sterilization and disinfection is to use ultraviolet with proper wavelength to destroy the molecular structure of DNA or RNA in the organism cells of the microorganism, so as to cause the death of growing cells and the death of regenerative cells, thereby achieving the effect of sterilization and disinfection.
An ultraviolet disinfection device 100 for cutting fluid comprises a metal long tube 110, a glass tube 120, an ultraviolet lamp tube 130, a disinfection tube liquid inlet 140, a disinfection tube liquid outlet 150 and a disinfection tube base 180; the outer diameter of the ultraviolet lamp tube 130 is smaller than the inner diameter of the glass tube 120, and the outer diameter of the glass tube 120 is smaller than the inner diameter of the long metal tube 110; the glass tube 120 is sleeved outside the ultraviolet lamp tube 130, the metal long tube 110 is sleeved outside the glass tube 120, a cutting fluid channel is formed between the metal long tube 110 and the glass tube 120, the disinfection tube liquid inlet 140 and the disinfection tube liquid outlet 150 are respectively communicated with the cutting fluid channel formed between the metal long tube 110 and the glass tube 120, and the ultraviolet lamp tube 130 is arranged in the disinfection tube base 180.
The working principle of the ultraviolet lamp tube of the cutting fluid ultraviolet disinfection device is to destroy DNA structures of various viruses, bacteria and other pathogens in the fluid by using the energy of ultraviolet photons. Mainly makes various structural bonds in DNA break or generate photochemical polymerization reaction, such as THYMINE dimerization in DNA, thereby leading viruses, bacteria and other pathogenic bodies to lose replication and reproduction capability and achieving the effects of sterilization and disinfection. The ultraviolet sterilization wave band is mainly between 200 nm and 300nm, and the sterilization capability of 253.7nm wave length is strongest. When various bacterial viruses in water or air pass through an ultraviolet (253.7nm wavelength) irradiation area, the ultraviolet penetrates cell membranes and cell nuclei of microorganisms, breaks molecular bonds of nucleic acids (DNA or RNA), and makes the nucleic acids lose replication capacity or lose activity and die, thereby killing all the bacterial viruses in the water or air without using any chemical drugs.
Cutting fluid flows between the stainless steel long tube and the glass tube, preferably the quartz glass tube, the ultraviolet lamp tube emits UVC light, the UVC light irradiates the cutting fluid through the quartz glass tube to sterilize and disinfect the cutting fluid, and the UVC light is reflected by the inner wall of the stainless steel long tube to enhance irradiation; dirt is gradually attached to the inner walls of the quartz glass tube and the stainless steel long tube due to the flowing of the cutting fluid, so that the penetration and reflection effects of UVC light are influenced; the cleaning motor drives the lead screw to rotate to drive the cleaning piston to move back and forth, dirt is scraped to the two sides of the long pipe and is taken away by flowing cutting fluid, and the influence of the dirt on the pipe wall on UVC irradiation is reduced.
A high-intensity ultraviolet lamp tube is arranged in the center of the ultraviolet disinfection tube, and a quartz glass sleeve is sleeved outside the lamp tube. After entering the disinfection tube, the liquid is irradiated by ultraviolet rays, so that bacteria and fungi in the liquid are removed. When the irradiation time is fixed, the inactivation effect is obviously reduced along with the thickening of the water layer thickness.
Therefore, preferably, the cutting fluid ultraviolet disinfection device 100 comprises an ultraviolet lamp tube cleaning device, the ultraviolet lamp tube cleaning device comprises a cleaning piston 161, a lead screw 162, a cleaning motor 164 and a wiring cylinder 170, a central through hole is formed in the center of the cleaning piston 161, the glass tube 120 passes through the central through hole formed in the center of the cleaning piston 161, and the outer edge of the cleaning piston 161 abuts against the inner wall of the long metal tube 110; the cleaning motor 164 is connected with the lead screw 162, the cleaning piston 161 is sleeved on the lead screw 162, and the cleaning motor 164 is disposed in the wire connecting cylinder 170.
The cleaning piston 161 comprises a first magnet 1611, a second magnet 1612, a cleaning piston threaded hole 1613 and a cleaning piston through hole 1614; the center through hole that clean piston 161 center set up is provided with the rubber circle of cleaning usefulness, the inner wall of the rubber circle of cleaning usefulness with the outer wall butt of glass pipe 120, first magnet 1611 and second magnet 1612 are arranged in clean piston 161, lead screw 162 passes clean piston screw hole 1613 with clean piston screw hole 1613 cooperation is connected.
Preferably, the ultraviolet lamp cleaning device comprises a limiting device, the limiting device comprises a first position switch 1651, a second position switch 1652 and a metal tube 1653, the first position switch 1651 and the second position switch 1652 are respectively arranged at two ends of the ultraviolet lamp 130, electric wires for connecting the first position switch 1651 and the second position switch 1652 pass through the metal tube 1653, and the metal tube 1653 passes through the cleaning piston through hole 1614.
Preferably, the ultraviolet lamp tube cleaning device includes a first spring 1631 and a second spring 1632, the two ends of the lead screw 162 are provided with light rod portions, and the first spring 1631 and the second spring 1632 respectively penetrate through the light rod portions arranged at the two ends of the lead screw 162.
The cleaning piston 161 moves back and forth along the lead screw 162 to clean the quartz glass 120 tube, ensuring the ultraviolet light transmittance. The two ends of the disinfection tube are provided with magnetic switches, the cleaning piston is internally provided with a magnet, the piston moves to the magnetic switches at the two ends of the ultraviolet tube, the program controls the motor to rotate reversely, and the piston moves reversely.
The two ends of the lead screw 120 are provided with a small section of polished rod, and the two ends are provided with springs, if the magnetic switch loses effect, the polished rod can prevent the piston from continuing to move, and the springs can enable the piston to smoothly buckle in the reverse motion process.
A copper tube 1653 penetrates through the disinfection tube, and a magnetic switch connecting wire at the lower end penetrates through the copper tube 1653.
The two ends of the copper tube 1653 in the disinfection tube are sealed with sealing rings. The plugs at the two ends of the disinfection tube are sealed by sealing rings. Is convenient to disassemble and maintain.
The cleaning piston works as follows:
the glass tube 120 passes through a central circular hole of the cleaning piston 161, a rubber ring for cleaning is arranged in the central hole of the piston, the cleaning piston moves back and forth, and the outer wall of the glass tube 120 is scraped through the rubber ring to play a cleaning role.
The liquid flows through two annular holes on the cleaning piston. The cleaning piston threaded hole 1613 on the piston passes through the lead screw 162, and the motor rotates the lead screw 162 to move the cleaning piston 161 back and forth.
The cleaning piston 161 is provided with a magnet, two cylindrical grooves are respectively arranged on two sides of the cleaning piston 161 in a fixed magnet mode, two small cylindrical magnets are placed, two magnets are not in direct contact, and the magnets are adsorbed in the piston through the self-magnetism of the magnets. This securing means prevents the magnet from falling off the piston, which could cause malfunction of the cleaning device.
Preferably, the disinfection device 100 comprises a sealing device, which comprises an upper plug 191, a lower plug 192 and a copper pipe sealing ring 193, the upper plug 191 and the lower plug 192 are respectively arranged at two ends of the ultraviolet lamp tube 130, the upper plug 191 and the lower plug 192 are concave, the centers of the upper plug 191 and the lower plug 192 are both provided with a central through hole, the concave inner walls of the upper plug 191 and the lower plug 192 are sleeved on the outer wall of the long metal tube 110, the center through holes formed at the centers of the upper plug 191 and the lower plug 192 are sleeved on the ultraviolet lamp tube 130, between the concave inner walls of the upper plug 191 and the lower plug 192 and the outer wall of the long metal tube 110, and a sealing ring is arranged between the central through hole arranged at the center of the upper plug 191 and the lower plug 192 and the ultraviolet lamp tube 130, and a copper pipe sealing ring 193 is arranged between the copper pipe and the upper plug 191 and between the copper pipe and the lower plug 192. The copper pipe in the disinfection pipe adopts a sealing ring sealing device, so that the disinfection pipe is convenient to disassemble and maintain.
The method for determining the disinfection efficiency of the cutting fluid ultraviolet disinfection device comprises the following steps:
s100), calculating the time for the cutting fluid to be treated to flow from the disinfection tube liquid inlet 140 to the disinfection tube liquid outlet 150 according to the formula (1),
in the above formula, the first and second carbon atoms are,
t1the time for the cutting fluid to be treated to completely flow from the disinfection tube liquid inlet 140 to the disinfection tube liquid outlet 150 is s;
v is the volume of the cutting fluid to be treated, which is a known quantity in mm3;
L is the length of the ultraviolet lamp tube 130, which is a known quantity and has a unit of mm;
s is the area of the cutting fluid channel formed between the long metal tube 110 and the glass tube 120, which is a known quantity in mm2;
Q is the flow rate of the cutting fluid to be treated through the cutting fluid UV sterilization device 100, which is a known amount in mm3/s;
S200), calculating the time for the cutting fluid to be treated to flow from the disinfection tube liquid inlet 140 to the disinfection tube liquid outlet 150 each time according to the formula (2),
in the above formula, the first and second carbon atoms are,
t2the time for the cutting fluid to be treated to flow from the disinfection tube liquid inlet 140 to the disinfection tube liquid outlet 150 each time is s;
s300), calculating the frequency of circulating the cutting fluid to be treated to flow from the disinfection tube liquid inlet 140 to the disinfection tube liquid outlet 150 according to the formula (3),
in the above formula, the first and second carbon atoms are,
n is the number of times that the cutting fluid to be treated needs to be circulated to flow from the disinfection tube liquid inlet 140 to the disinfection tube liquid outlet 150 for achieving the disinfection purpose;
u is the energy U required for effective disinfection, and is a known quantity in units of μ W.s/cm2;
E is the irradiation intensity of the ultraviolet lamp tube 130, which is a known quantity, μ Ws/cm2;
S400), determining the processing efficiency of the cutting fluid circulation processing equipment according to the formula (4),
in the above formula, the first and second carbon atoms are,
t is the time required by the whole treatment of the cutting fluid to be treated, which is a known quantity and has the unit of s;
eta is the treatment efficiency of the cutting fluid circulation treatment equipment;
s400), calculating the time required by the whole treatment of the cutting fluid to be treated according to the formula (4),
in the above formula, the first and second carbon atoms are,
t is the time required by the cutting fluid to be treated for complete treatment, and the unit is s
Eta is the processing efficiency of the cutting fluid circulation processing equipment.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. An ultraviolet disinfection device for cutting fluid is characterized by comprising a metal long tube, a glass tube, an ultraviolet lamp tube, a disinfection tube liquid inlet and a disinfection tube liquid outlet;
the outer diameter of the ultraviolet lamp tube is smaller than the inner diameter of the glass tube, and the outer diameter of the glass tube is smaller than the inner diameter of the long metal tube; the glass tube is sleeved outside the ultraviolet tube, the long metal tube is sleeved outside the glass tube, a cutting fluid channel is formed between the long metal tube and the glass tube, and the liquid inlet and the liquid outlet of the disinfection tube are respectively communicated with the cutting fluid channel formed between the long metal tube and the glass tube.
2. The device as claimed in claim 1, wherein the disinfection device comprises an ultraviolet lamp tube cleaning device, the ultraviolet lamp tube cleaning device comprises a cleaning piston, a screw rod and a cleaning motor, the cleaning piston is centrally provided with a central through hole, a glass tube passes through the central through hole of the cleaning piston, and the outer edge of the cleaning piston is abutted against the inner wall of the metal long tube; the cleaning motor is connected with the screw rod, and the cleaning piston is sleeved on the screw rod.
3. The apparatus of claim 2, wherein the cleaning piston includes a first magnet, a second magnet, and a cleaning piston threaded bore; the central through hole that clean piston center set up is provided with the rubber circle of clean usefulness, the inner wall and the glass pipe outer wall butt of the rubber circle of clean usefulness, and first magnet and second magnet are arranged in clean piston, and the lead screw passes clean piston screw hole and is connected with clean piston screw hole cooperation.
4. The apparatus of claim 2, wherein the ultraviolet lamp cleaning device comprises a position limiting device, the position limiting device comprises a first position switch and a second position switch, and the first position switch and the second position switch are respectively arranged at two ends of the ultraviolet lamp.
5. The device as claimed in claim 2, wherein the ultraviolet lamp cleaning device comprises a first spring and a second spring, the two ends of the screw are provided with the light rod parts, and the first spring and the second spring respectively pass through the light rod parts arranged at the two ends of the screw.
6. The device as claimed in claim 2, comprising a sealing device, wherein the sealing device comprises an upper plug and a lower plug, the upper plug and the lower plug are respectively disposed at two ends of the ultraviolet lamp tube, the upper plug and the lower plug are both shaped like a Chinese character 'ao', and are both centrally provided with a central through hole, the inner walls of the Chinese character 'ao' of the upper plug and the lower plug are sleeved on the outer wall of the metal long tube, the central through holes centrally disposed on the upper plug and the lower plug are sleeved on the ultraviolet lamp tube, a sealing ring is disposed between the inner walls of the Chinese character 'ao' of the upper plug and the lower plug and the outer wall of the metal long tube, and a sealing ring is disposed between the central through holes centrally disposed on the upper plug and the lower plug and the ultraviolet lamp tube.
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CN113041373A (en) * | 2021-04-29 | 2021-06-29 | 北京航天三发高科技有限公司 | Cutting fluid ultraviolet disinfection device and method for determining disinfection efficiency thereof |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN113041373A (en) * | 2021-04-29 | 2021-06-29 | 北京航天三发高科技有限公司 | Cutting fluid ultraviolet disinfection device and method for determining disinfection efficiency thereof |
CN113041373B (en) * | 2021-04-29 | 2023-09-08 | 北京航天三发高科技有限公司 | Cutting fluid ultraviolet disinfection device and disinfection efficiency determination method thereof |
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