CN206286275U - The stealthy automatic decontamination system of correction production line - Google Patents
The stealthy automatic decontamination system of correction production line Download PDFInfo
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- CN206286275U CN206286275U CN201621132737.XU CN201621132737U CN206286275U CN 206286275 U CN206286275 U CN 206286275U CN 201621132737 U CN201621132737 U CN 201621132737U CN 206286275 U CN206286275 U CN 206286275U
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- production line
- decontamination system
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Abstract
The utility model is related to cleaning and sterilizing technical field, more particularly to a kind of stealthy automatic decontamination system of correction production line, including main control module, ultrasonic cleaning apparatus, chlorine dioxide spray cleaning equipment, distilled water cleaning equipment, water removal drying equipment and ultraviolet disinfection cabinet.Interference manually is substantially disobeyed in the operation of the decontamination system, and cleaning is accurate in place, and cleaning efficiency is high, and cleaning performance is good.
Description
Technical field
The utility model is related to cleaning and sterilizing technical field, more particularly to a kind of automatic decontamination system of stealthy correction production line
System.
Background technology
Invisible orthotic device production line is needed to work after die, the operation such as gypsum is recorded, model is printed, cutting is polished is received
Sequence output object carries out cleaning and sterilizing.In current stealthy orthodontic appliance production process, cleaning and sterilizing is mainly using artificial behaviour
Make, flow is not fixed, the time controls dependence experience, effect deviation is big, the clean effect and harmful bacteria to cleaning are viral to kill
The degree of going out can not accurately hold；Or single method for cleaning and disinfecting is used, the specific bacterial virus of a few classes can only be killed.
Again because of the particularity of stealthy orthodontic materials, to temperature, the physicochemical environment such as humidity and illumination has corresponding
It is required that, so method during cleaning and sterilizing is using just there is very strict restrictive condition.Therefore cleaning and sterilizing automation
The development of Intergration system just has very important realistic meaning.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of stealthy automatic decontamination system of correction production line, should
Interference manually is substantially disobeyed in the operation of decontamination system, and cleaning is accurate in place, and cleaning efficiency is high, and cleaning performance is good.
To achieve these goals, the utility model adopts the following technical scheme that, the stealthy automatic decontamination system of correction production line
System, including main control module, ultrasonic cleaning apparatus, chlorine dioxide spray cleaning equipment, distilled water cleaning equipment, water removal drying set
Standby and ultraviolet disinfection cabinet, the ultrasonic cleaning apparatus include control module I and rinse bath, the chlorine dioxide cleaning showers
Equipment includes control module II and roller II, and the distilled water cleaning equipment includes control module III and roller III, described to remove
Water drying equipment include control module IV and roller IV, the ultraviolet disinfection cabinet include control module V, the control module I,
Control module II, control module III, control module IV and control module V are respectively connected with main control module, the rinse bath
Conveyer belt is set between the entrance of the internal and roller II, the entrance of the outlet of the roller II and the roller III it
Between conveyer belt is set, conveyer belt is set between the outlet of the roller III and the entrance of the roller IV, the roller IV's
Collecting box is provided with outlet, the conveyer belt is driven by motor, and the motor is connected with main control module.
The stealthy automatic decontamination system of correction production line of the present utility model can be substantially realized to stealthy correction production line
Product automatically cleaned, cleaning process control is accurate, and cleaning in place, is independent of grasp of the artificial experience to the time, no
Cleaning object is damaged, cleaning performance is good, most harmful bacterias can be removed.
Preferably, sensor is provided with the rinse bath, the sensor is connected with main control module.It is used to ensure cleaning
Water in groove is cleaner, to reach preferable cleaning performance.
Preferably, the ultrasonic cleaning apparatus are high-frequency ultrasonic cleaning equipment.
Preferably, equal 10~15 ° of the roller is obliquely installed, and the drums inside is provided with screw thread.
Preferably, woven hose is provided with the axis of the roller II and roller III, is uniformly arranged on the woven hose
Spray orifice.
Preferably, the water removal drying equipment is that pressure-air removes water infra-red drying equipment, at the axis of the roller IV
High-pressure air pipe is provided with, spray orifice is uniformly arranged on the high-pressure air pipe, the roller IV axial ends are provided with infrared transmitter,
The roller IV inwalls are coaxially disposed barrier with roller.
The fire brigade of the stealthy automatic decontamination system of correction production line described above, comprises the following steps：
(1) manually cleaning object is arranged on the conveyer belt of rinse bath, main control module controls ultrasound by control module I
Ripple cleaning equipment works, and cleaning object is cleaned into 3~5min with the high-frequency ultrasonic of 40~80kHz, then by main control module control
Conveyer belt processed is transmitted to the roller II；
(2) main control module controls chlorine dioxide spray cleaning equipment to work by control module II, at roller II axis
Woven hose sprays the ClO 2 solution of 300mg~500mg/L by spray orifice to cleaning object, and cleaning object is infiltrated on into dioxy
Change in solutions of chlorine, then soak time 10min is discharged on conveyer belt by the outlet of roller II, passed by master control module controls
Band is sent to transmit to the roller III；
(3) main control module controls distilled water cleaning equipment to work by control module III, equal defeated at roller III axis
Liquid pipe sprays distilled water, 0.2~0.4m of spray flux by spray orifice to cleaning object3/ min, scavenging period 3~5min, Ran Houyou
The outlet of roller III is discharged on conveyer belt, is transmitted to the roller IV by master control module controls conveyer belt；
(4) main control module controls water removal drying equipment to work by control module IV, equal high pressure gas at roller IV axis
Pipe is by spray orifice to cleaning object jet, 2~4m3/min of single hole jet amount；3~5min of water removal time, then with wavelength 200~
400 μm of 10~30s of infrared drying, are then discharged in collecting box by the outlet of roller IV；
(5) when the cleaning object in collecting box reaches certain amount, collecting box is placed in ultraviolet disinfection cabinet, master control
Module controls ultraviolet disinfection cabinet to work by control module V, and environment temperature is set as into 20~25 DEG C, ultraviolet wavelength 250
~285nm, irradiation distance 1m, 30~60min of irradiation time.
Because the particularity of stealthy orthodontic materials, its cleaning and disinfecting process have many restrictions, to keep the performance of material,
Therefore selection cleaning method is cleaned for 40~80kHz high-frequency ultrasonics；Sterilization method selection is 300mg~500mg/L chlorine dioxide
(ClO2) solution spraying rinsing, high pressure air rifle water removal, infrared drying after distilled water cleaning, then disinfection by ultraviolet light is carried out, so
Decontamination combination can farthest remove the attaching particles or other attachments of decontamination object；Dual sterilization method ensures to disappear
Toxic effect really, kills most pathogenic bacteria；To decontamination object in itself without damage.Automatic decontamination system of the present utility model can be by
Program according to setting is automatically performed cleaning to cleaning object, and cleaning process control is accurate, with little need for artificial intervention, no
Grasp of the artificial experience to the time is relied on, in place, cleaning performance is good for cleaning.
Brief description of the drawings
Fig. 1 is the utility model cleaning process figure；
Fig. 2 is module connection diagram in system of the present utility model；
Fig. 3 is devices in system structural representation of the present utility model；
In figure：1- ultrasonic cleaning apparatus；2- conveyer belts；3- chlorine dioxide spray cleaning equipments；The cleaning of 4- distilled water sets
It is standby；5- removes water drying equipment；6- collecting boxs；7- ultraviolet disinfection cabinets；8- ClO 2 solution conveyance conduits；9- distilled water is conveyed
Pipeline；10- high pressure pure air conveyance conduits；11- barriers.
Specific embodiment
1~embodiment of embodiment 5
The stealthy automatic decontamination system of correction production line of 1~embodiment of embodiment 5, including the cleaning of main control module, ultrasonic wave
Equipment 1, chlorine dioxide spray cleaning equipment 3, distilled water cleaning equipment 4, water removal drying equipment 5 and ultraviolet disinfection cabinet 7, it is described
Ultrasonic cleaning apparatus 1 include control module I and rinse bath, and the chlorine dioxide spray cleaning equipment 3 includes control module II
With roller II, the distilled water cleaning equipment 4 include control module III and roller III, the water removal drying equipment include control
Module I V and roller IV, the ultraviolet disinfection cabinet 7 includes control module V, the control module I, control module II, control mould
Block III, control module IV and control module V are respectively connected with main control module, the inside of the rinse bath and the roller II
Entrance between conveyer belt is set, conveyer belt is set between the outlet of the roller II and the entrance of the roller III, it is described
Conveyer belt is set between the entrance of the outlet of roller III and the roller IV, receipts are provided with the outlet of the roller IV
Header 6, the conveyer belt is driven by motor, and the motor is connected with main control module.
Wherein, sensor is provided with the rinse bath, the sensor is connected with main control module.Sensing in rinse bath
Device can monitor the cleanliness factor of water, once cleanliness factor reaches threshold value, main control module then controls ultrasonic cleaning apparatus 1 to change distillation
Water, to reach preferable cleaning performance.
Wherein, the ultrasonic cleaning apparatus 1 are high-frequency ultrasonic cleaning equipment.
Wherein, equal 10~15 ° of the roller is obliquely installed, and the drums inside is provided with screw thread.Because in cleaning process
In, it is necessary to the cleaning object in roller is discharged on conveyer belt, 10~15 ° of roller is obliquely installed, drums inside screw thread sets
Put, be transported at outlet from the porch of roller beneficial to by cleaning object.With aqueous solution of chlorine dioxide soaking and washing pair
As when, it is necessary to cleaning object is fully immersed into ClO 2 solution, 10~15 ° of roller is obliquely installed, can be with less molten
Liquid fully submerges cleaning object, cost-effective.
Wherein, woven hose is provided with the axis of the roller II and roller III, spray is uniformly arranged on the woven hose
Hole.
Wherein, the water removal drying equipment 5 is that pressure-air removes water infra-red drying equipment, is set at the axis of the roller IV
High-pressure air pipe is equipped with, spray orifice is uniformly arranged on the high-pressure air pipe, the roller IV axial ends are provided with infrared transmitter, institute
State roller IV inwalls and be coaxially disposed barrier 11 with roller.The setting of barrier 11 is prevented from cleaning object and is blown winged, causes
The breakage of cleaning object.
Ultrasonic wave principle：
Ultrasonic wave cleaning is that based on cavitation, i.e., numerous bubbles are quickly formed and rapid implosion in cleaning fluid.Thus
The dirt on the cleaning object surface that the impact of generation is submerged in cleaning fluid is peeled off.With the raising of supersonic frequency, gas
Bubble quantity increases and blasting impact power weakens, therefore, high frequency ultrasound is particularly well-suited to the cleaning of little particle dirt without destroying it
Workpiece surface.Bubble be in a liquid apply high frequency (supersonic frequency), the sound wave of high intensity and produce.Therefore, any ultrasound
Purging system must all possess three primary elements：The groove that holds cleaning fluid, the transducer for converting electrical energy into mechanical energy and
Produce the supersonic generator of high frequency electrical signal.
With the development of science and technology the workpiece of precision cleaning is more and more finer, cleannes require also more and more higher.Accurate clear
(such as wiring board, diode, liquid crystal, semiconductor) uses traditional frequency (20~30kHz) in the application washed, and we can send out
The requirement of cleaning now cannot be not only reached, and may also result in the damage of workpiece.Most typical example is exactly on army's electricity consumption
Sub- product, having expressly provided already does not allow the ultrasonic wave for using traditional frequency (20~30kHz) to clean.
The developed countries such as its tangible some America and Europe, Japan, ask this by from high frequency (80kHz or more frequencies)
Topic is resolved.The general principle of ultrasonic wave cleaning is the cavitation effect based on liquid.In fact the intensity of cavitation effect is straight
Connect relevant with frequency, frequency is higher, cavitation bubble is smaller, cavitation intensity is weaker, and its degree for weakening is very big.Illustrate,
Cavitation intensity when by 25kHz is 1/8 if being compared to the cavitation intensity of Isosorbide-5-Nitrae 0kHz, and when having arrived 80kHz, cavitation intensity is just dropped to
0.02.So if frequency selection is correct, the problem of ultrasonic injury workpiece does not just exist.
In precision cleaning, when the effect of cleaning is not reached after the ultrasonic cleaning of certain frequency, if to be gone on workpiece
The impurity particle for removing is larger, it may be possible to which ultrasonic power is not enough, and increasing ultrasonic power can just solve the problem；But if on workpiece
Remove impurity particle very small, then no matter how power increases, and is all unable to reach the requirement of cleaning.Physically analyze
Its：Reason can form one layer of adhesive film when liquid flows through workpiece surface.This layer of adhesive film is very thick during low frequency, and little particle is buried
Inside, no matter ultrasound intensity it is much, cavitation bubble cannot all be contacted with little particle, therefore little particle cannot be removed：And work as
When supersonic frequency is raised, the thickness of adhesive film will be reduced, and cavitation bubble can just touch little particle, by them from workpiece surface
Peel off.As can be seen here, the effect of the ultrasound removing large granular impurity of low frequency is fine, but removes little particle impurity poor effect.Phase
For, high frequency ultrasound is then especially effective to removing little particle impurity.
In the application of precision cleaning, high-frequency ultrasonic cleaning has become a kind of standard, so the selection of supersonic frequency
There is conclusive influence to the effect cleaned.
The effect of chlorine dioxide antiseptic sterilization：
Chlorine dioxide is safe from harm to human body and animal and environment is not caused secondary because it has sterilizing ability strong
The features such as pollution and enjoy the favor of people.Chlorine dioxide is not only one kind and does not produce carcinogenic Broadspectrum environment-protective type sterilizing
Agent, but also show significant effect at the aspect such as sterilization, food fresh keeping, deodorant.
(1) sterilization of drinking water
Chlorine dioxide is a kind of highly effective water purification agent of purifying drinking water, including good deodorant and decolouring energy
Efficient sterilizing and ability of killing the virus under power, low concentration.Chlorine dioxide is used for water sterilization, when its concentration is 0.5-1mg/L, 1 point
In water 99% killing bacteria, sterilization effect are 10 times of chlorine by clock interior energy, 2 times of sodium hypochlorite, suppress the ability of virus
Also it is higher than chlorine 3 times, it is higher than ozone 1.9 times.Chlorine dioxide also has sterilization quick, and PH scopes are wide (6-10), not by the water hardness and salt
The how many influence of part, can maintain prolonged bactericidal action, can expeditiously eliminate protozoan, spore, mould, algae and life
Thing film, chlorinated phenol and haloform are not generated, can be by many oxidation of organic compounds, so as to reduce the toxicity and mutagenesis property of water
Deng various features.
(2) to the sterilization of air
Contain the bacterium that can largely cause a disease, particularly catering trade place and food processing factory's workshop air in air
Middle microbe species and quantity are more complicated, and ultraviolet disinfection mode is generally used for these microorganisms, but due to room
Interior relative air humidity is big, and ultraviolet sterilization effect is unsatisfactory.And the sterilization capability of chlorine dioxide preparation is strong, rapid nothing is decomposed
Residual, is very suitable for the air-atomizing sterilization and sterilization in the relevant place of the catering trade and food processing industry.Additionally, spring and autumn is
In the multiple season of the infectious diseases such as flu, tracheitis, environment can be carried out disinfection with chlorine dioxide, can not only kill the micro- life of cause of disease
Thing, moreover it is possible to eliminate peculiar smell, fresh air.Therefore, chlorine dioxide is the environment disinfectant of very good pre- Anti-"SARS".
(3) if to kitchen utensils, sterilization kitchen utensils, food mechanical equipment, the container of food mechanical equipment etc. without
Thoroughly sterilize, easily food is polluted, cause the generation of food poisoning.With chlorine dioxide to kitchen utensils, foods machine
Tool equipment, container etc. carry out disinfection, and can kill Escherichia coli, Staphylococcus aureus etc..
(4), in medical field, chlorine dioxide is used for oral cavity containing gargling, and can effectively control gingivitis, dental plaque and halitosis, is used as
Hip bath or flushing, can prevent various diseases, etc..It was verified that chlorine dioxide is to preventing and treating blood-shoot-eye illness, skin disease and deodorant having good
Good effect.
Bactericidal effect：Chlorine dioxide is a kind of wide spectrum, efficient bactericidal agent.External many result of study shows, dioxy
Change chlorine under extremely low concentration (0.1ppm), you can kill the pathogenic bacteria such as many Escherichia coli, staphylococcus aureus.I.e.
Make under the interference of organic matter, when concentration is tens ppm, also can completely kill bacterial propagule, hepatitis viruse, phagocytosis
All microorganisms such as body and bacterial spore.
The effect of ultraviolet radiation for sterilizing and disinfecting：
Application is up to ultraviolet to radiosterilization at present, can cause Cell Component, particularly nucleic acid, magma albumen and acid hair
Changing, causes microorganism dead.100~400nm of ultraviolet range, the wavelength for killing microorganism is 250~280nm.
Most strong with fungal spore to ultraviolet tolerance, bacterial spore takes second place, and bacterial propagule is most weak, only a few exceptions.Ultraviolet is worn
Saturating power is poor, and below 300nm persons can not pass through the thick simple glasses of 2mm.Dust and relative humidity can reduce its sterilization effect in air
Really.Penetration power to water is reduced with depth and turbidity.But because easy to use, to medicine not damaged, therefore be widely used in air and
General article surface sterilization.There is erythema, ultraviolet ophthalmia and ozone poisoning purification etc. in irradiation people physical efficiency.Therefore people should keep away when using
Open or use corresponding safeguard measure.
Solar exposure also relies on ultraviolet therein, but because the scattering and absorption in atmosphere are used, only 39% is reachable
Ground, therefore the low microorganism of endurance is only applicable to, and must long period exposure.
Because the particularity of stealthy orthodontic materials, its cleaning and disinfecting process have many restrictions, to keep the performance of material,
Therefore selection cleaning method is cleaned for 40~80kHz high-frequency ultrasonics；Sterilization method selection is 300mg~500mg/L chlorine dioxide
(ClO2) solution spraying rinsing, high pressure air rifle water removal, infrared drying after distilled water cleaning, then disinfection by ultraviolet light is carried out, so
Decontamination combination can farthest remove the attaching particles or other attachments of decontamination object；Dual sterilization method ensures to disappear
Toxic effect really, kills most pathogenic bacteria；To decontamination object in itself without damage.Automatic decontamination system of the present utility model can be by
Program according to setting is automatically performed cleaning to cleaning object, and cleaning process control is accurate, with little need for artificial intervention, no
Grasp of the artificial experience to the time is relied on, in place, cleaning performance is good for cleaning.
The fire brigade of the stealthy automatic decontamination system of correction production line of 1~embodiment of embodiment 5, comprises the following steps：
(1) manually cleaning object is arranged on the conveyer belt of rinse bath, main control module controls ultrasound by control module I
Ripple cleaning equipment 1 is worked, and cleaning object is cleaned into 3~5min with the high-frequency ultrasonic of 40~80kHz, then by main control module control
Conveyer belt processed is transmitted to the roller II；
(2) main control module controls chlorine dioxide spray cleaning equipment 3 to work by control module II, at roller II axis
Woven hose sprays the ClO 2 solution of 300mg~500mg/L by spray orifice to cleaning object, and cleaning object is infiltrated on into dioxy
Change in solutions of chlorine, then soak time 10min is discharged on conveyer belt by the outlet of roller II, passed by master control module controls
Band is sent to transmit to the roller III；
(3) main control module controls distilled water cleaning equipment 4 to work by control module III, equal defeated at roller III axis
Liquid pipe sprays distilled water, 0.2~0.4m of spray flux by spray orifice to cleaning object3/ min, scavenging period 3~5min, Ran Houyou
The outlet of roller III is discharged on conveyer belt, is transmitted to the roller IV by master control module controls conveyer belt；
(4) main control module controls water removal drying equipment 5 to work by control module IV, equal high pressure gas at roller IV axis
Pipe is by spray orifice to cleaning object jet, 2~4m of single hole jet amount3/min；3~5min of water removal time, then with wavelength 200~
400 μm of 10~30s of infrared drying, are then discharged in collecting box 6 by the outlet of roller IV；
(5) when the cleaning object in collecting box 6 reaches certain amount, collecting box 6 is placed in ultraviolet disinfection cabinet 7,
Main control module controls ultraviolet disinfection cabinet 7 to work by control module V, and environment temperature is set as into 20~25 DEG C, ultraviolet ripple
250~285nm, irradiation distance 1m, 30~60min of irradiation time long.
Particular technique parameter wherein employed in 1~embodiment of embodiment 5 is as shown in the table：
Complete the decontamination object organisms index after decontamination and meet respective standard requirement, total number of bacterial colonies is not more than
50cfu/g, without coli-group, no pathogenicity bacterium Pseudomonas aeruginosa, staphylococcus aureus, fungus colony sum is not more than
30cfu/g。
Claims (6)
1. the stealthy correction automatic decontamination system of production line, it is characterised in that including main control module, ultrasonic cleaning apparatus, dioxy
Change chlorine spray cleaning equipment, distilled water cleaning equipment, water removal drying equipment and ultraviolet disinfection cabinet, the ultrasonic cleaning apparatus
Including control module I and rinse bath, the chlorine dioxide spray cleaning equipment includes control module II and roller II, the distillation
Water cleaning equipment includes control module III and roller III, and the water removal drying equipment includes control module IV and roller IV, institute
State ultraviolet disinfection cabinet including control module V, the control module I, control module II, control module III, control module IV and
Control module V is respectively connected with main control module, and transmission is set between the entrance of the inside of the rinse bath and the roller II
Conveyer belt is set between the entrance of band, the outlet of the roller II and the roller III, the outlet of the roller III with
Conveyer belt is set between the entrance of the roller IV, collecting box, the transmission band logical are provided with the outlet of the roller IV
Cross motor to be driven, the motor is connected with main control module.
2. the stealthy automatic decontamination system of correction production line according to claim 1, it is characterised in that：Set in the rinse bath
Sensor is equipped with, the sensor is connected with main control module.
3. the stealthy automatic decontamination system of correction production line according to claim 1, it is characterised in that：The ultrasonic wave cleaning
Equipment is high-frequency ultrasonic cleaning equipment.
4. the stealthy automatic decontamination system of correction production line according to claim 3, it is characterised in that：The roller equal 10~
15 ° are obliquely installed, and the drums inside is provided with screw thread.
5. the stealthy automatic decontamination system of correction production line according to claim 4, it is characterised in that：The roller II and rolling
Woven hose is provided with the axis of cylinder III, spray orifice is uniformly arranged on the woven hose.
6. the stealthy automatic decontamination system of correction production line according to claim 5, it is characterised in that：The water removal drying sets
Standby is pressure-air water removal infra-red drying equipment, high-pressure air pipe is provided with the axis of the roller IV, on the high-pressure air pipe
Spray orifice is uniformly arranged, the roller IV axial ends are provided with infrared transmitter, and the roller IV inwalls are coaxially disposed with roller
Barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621132737.XU CN206286275U (en) | 2016-10-19 | 2016-10-19 | The stealthy automatic decontamination system of correction production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621132737.XU CN206286275U (en) | 2016-10-19 | 2016-10-19 | The stealthy automatic decontamination system of correction production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206286275U true CN206286275U (en) | 2017-06-30 |
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ID=59095376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621132737.XU Active CN206286275U (en) | 2016-10-19 | 2016-10-19 | The stealthy automatic decontamination system of correction production line |
Country Status (1)
| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106238406A (en) * | 2016-10-19 | 2016-12-21 | 青岛兰信医学科技有限公司 | The stealthy automatic decontamination system of correction production line and fire brigade |
| CN110026378A (en) * | 2019-03-08 | 2019-07-19 | 上海久正医用包装材料有限公司 | A kind of bottle cap cleaning method |
-
2016
- 2016-10-19 CN CN201621132737.XU patent/CN206286275U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106238406A (en) * | 2016-10-19 | 2016-12-21 | 青岛兰信医学科技有限公司 | The stealthy automatic decontamination system of correction production line and fire brigade |
| CN110026378A (en) * | 2019-03-08 | 2019-07-19 | 上海久正医用包装材料有限公司 | A kind of bottle cap cleaning method |
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Address after: 266000 Shandong province Qingdao City, Zhengzhou Road No. 43 building A room 120-61 (central office) Patentee after: Qingdao Da Vinci Technology Co., Ltd. Address before: 266000 Shandong province Qingdao City, Zhengzhou Road No. 43 building A room 120-61 (central office) Patentee before: QINGDAO LANXIN MEDICAL TECHNOLOGY CO., LTD. |