CN215029050U - Centrifuge tube with high sealing performance - Google Patents

Centrifuge tube with high sealing performance Download PDF

Info

Publication number
CN215029050U
CN215029050U CN202022961150.2U CN202022961150U CN215029050U CN 215029050 U CN215029050 U CN 215029050U CN 202022961150 U CN202022961150 U CN 202022961150U CN 215029050 U CN215029050 U CN 215029050U
Authority
CN
China
Prior art keywords
inertia
sealed
cylinder
protection device
tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202022961150.2U
Other languages
Chinese (zh)
Inventor
房光程
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Xinjin Medical Instrument Co ltd
Original Assignee
Jiangsu Xinjin Medical Instrument Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Xinjin Medical Instrument Co ltd filed Critical Jiangsu Xinjin Medical Instrument Co ltd
Priority to CN202022961150.2U priority Critical patent/CN215029050U/en
Application granted granted Critical
Publication of CN215029050U publication Critical patent/CN215029050U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Centrifugal Separators (AREA)

Abstract

The utility model discloses a centrifuging tube that leakproofness is strong, including glass tube main part, its characterized in that: glass manages main part top and is provided with centrifugal rubber buffer main part, inside centre gripping protection device, sealed protection device and the disinfection cleaning device of being provided with of centrifugal rubber buffer main part, centre gripping protection device is including inertia cylinder valve and inertia cylinder piston, sealed protection device is including sealed cylinder piston and sealed rubber buffer, disinfection cleaning device includes delivery port and negative pressure water pump, centre gripping protection device is still including the centre gripping trigger bar, one side on centre gripping trigger bar top is provided with horizontal couple, horizontal couple below is provided with vertical couple, vertical couple one side is provided with the slant couple, the welding of slant couple bottom has inertia connecting rod, the utility model discloses, have that the practicality is strong and the leakproofness is strong, can clear up and disinfect the centrifuging tube inside and prevent that the clamping device from pressing from both sides broken centrifuging tube.

Description

Centrifuge tube with high sealing performance
Technical Field
The utility model relates to a centrifuging tube technical field specifically is the strong centrifuging tube of leakproofness.
Background
The centrifugal tube is divided into a plastic centrifugal tube, a glass centrifugal tube and a steel centrifugal tube, wherein the plastic centrifugal tube has the advantages of transparency or translucency, small hardness and capability of taking out the gradient by a puncture method. The defects of easy deformation, poor organic solvent corrosion resistance and short service life are that the plastic centrifuge tubes are provided with tube covers, the function of the plastic centrifuge tubes is to prevent the sample from leaking, and especially when the plastic centrifuge tubes are used for samples with radioactivity or strong corrosivity, the prevention of the sample from leaking is an important point; the tube cap also has the function of preventing the sample from volatilizing and supporting the centrifuge tube, and preventing the centrifuge tube from deforming. When selecting the plastic centrifuge tube, attention is paid to check whether the tube cover is tight, whether the tube cover is tight during testing, and whether the tube cover can be tight during testing so as to prevent liquid leakage when the tube cover is inverted. Under the prior art, the use of centrifuging tube is irreplaceable, but current centrifuging tube is not perfect in the leakproofness to generally all do not have like protective measure, also do not pass through disinfection and washing when most centrifuging tube uses, consequently improve the centrifuging tube technique very directly perceived important early also.
The existing centrifugal tube has poor practicability; meanwhile, the existing centrifugal tubes are not perfect in sealing performance, generally have no protection measures like a sample, and most of centrifugal tubes are not disinfected and cleaned when used. Therefore, it is necessary to design a centrifuge tube with high sealing performance, which is practical and has high sealing performance, and can clean and sterilize the interior of the centrifuge tube and prevent the clamping device from clamping the centrifuge tube.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a centrifuging tube that leakproofness is strong to solve the problem that proposes in the above-mentioned background art.
In order to solve the technical problem, the utility model provides a following technical scheme: a centrifugal tube with high sealing performance comprises a glass tube main body, wherein a centrifugal rubber plug main body is arranged above the glass tube main body, a clamping protection device, a sealing protection device and a disinfection cleaning device are arranged inside the centrifugal rubber plug main body, the clamping protection device comprises an inertia cylinder valve and an inertia cylinder piston, the sealing protection device comprises a sealing cylinder piston and a sealing rubber plug, and the disinfection cleaning device comprises a water outlet and a negative pressure water pump; the centre gripping protection device protection centrifuging tube does not receive anchor clamps wearing and tearing or damage, protects the original gloss of centrifuging tube, and sealed protection device plays the inside effect of sealed protection centrifuging tube, prevents that the mouth of pipe is opened and is leaded to the work failure when the centrifuging tube from functioning in centrifuge, and disinfection cleaning device can play the cleaning and disinfection effect inside the centrifuging tube.
According to the technical scheme, the clamping protection device further comprises a clamping trigger rod, a transverse hook is arranged on one side of the top end of the clamping trigger rod, a longitudinal hook is arranged below the transverse hook, and an oblique hook is arranged on one side of the longitudinal hook; when the centrifugal rubber plug body is plugged into the glass tube body, the glass wall of the glass tube body presses the clamping trigger rod, the clamping trigger rod moves upwards, the transverse hook loses obstruction, the transverse hook moves leftwards, the transverse hook drives the longitudinal hook, the longitudinal hook moves leftwards, the oblique hook loses obstruction, and the next step of work is triggered by the linkage of the structure.
According to the technical scheme, an inertia connecting rod is welded at the bottom end of the oblique hook, a soft structure clamping point is welded at the top end of the inertia connecting rod, and a mini cylinder is arranged inside the soft structure clamping point; the oblique hook moves along with inertia, the inertia connecting rod loses tension, the inertia connecting rod moves downwards, the inertia connecting rod drives the soft structure clamping point, the soft structure clamping point moves downwards, the soft structure clamping point moves to the outer glass wall of the centrifugal tube, and the structure moves to an appointed position by inertia.
According to the technical scheme, an inertia cylinder valve is arranged at the upper end of the mini cylinder, an inertia cylinder piston is welded at the bottom end of the inertia cylinder valve, one-way valves are correspondingly arranged on two sides of the inertia cylinder piston, and a ventilating pipeline is arranged on one side of each one-way valve; the inertia cylinder valve at the upper end of the mini cylinder moves rightwards under inertia, the inertia cylinder valve drives the inertia cylinder piston, the inertia cylinder piston extrudes air inside the mini cylinder, the one-way valve is opened, the air is discharged to the ventilation pipeline, pressure difference is generated inside and outside the mini cylinder, the soft structure clamping point is adsorbed on the outer glass wall of the centrifugal tube, air pressure difference is generated by inertia, and the structure is adsorbed on the centrifugal tube by air pressure difference.
According to the technical scheme, the sealing protection device further comprises a centrifugal rubber plug main body, a main cylinder is arranged inside the centrifugal rubber plug main body, a sealing cylinder push rod is arranged at the top end of the main cylinder, a sealing cylinder piston is welded at the bottom end of the sealing cylinder push rod, and a sealing rubber plug is welded at the bottom end of the sealing cylinder piston; after the glass pipe main part was filled in to centrifugal rubber buffer main part, upwards stimulate the sealed cylinder push rod of main cylinder, sealed cylinder push rod upward movement, sealed cylinder push rod drives sealed cylinder piston, sealed cylinder piston upward movement, sealed cylinder piston drives sealed rubber buffer, sealed rubber buffer upward movement, sealed rubber buffer supports the gas outlet of main cylinder, utilize the cylinder to the absorption of centrifuging tube inside air, cause the inside vacuum that is close of centrifuging tube, under the effect of atmospheric pressure, reach the best sealed condition inside and outside the centrifuging tube.
According to the technical scheme, a negative pressure water pump is welded at the bottom end of the sealing rubber plug, and a water outlet is formed in the outer part of the negative pressure water pump; when the centrifugal tube does centrifugal motion in the centrifugal machine, alcohol inside the negative pressure water pump is acted by centrifugal force, the negative pressure water pump sprays the alcohol outwards, the alcohol sprays out from the water outlet, the alcohol sprays out by the centrifugal force, and the interior of the centrifugal tube is cleaned and disinfected by the alcohol.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model is characterized in that the utility model,
(1) the clamping protection device is arranged to protect the centrifuge tube from being worn or damaged by the clamp and protect the original gloss of the centrifuge tube, when the centrifuge rubber plug main body is plugged into the glass tube main body, the glass wall of the glass tube main body presses the clamping trigger rod, the clamping trigger rod moves upwards, the transverse hook loses obstruction, the transverse hook moves leftwards, the transverse hook drives the longitudinal hook, the longitudinal hook moves leftwards, the oblique hook moves along with inertia, the inertia connecting rod loses tension, the inertia connecting rod moves downwards, the inertia connecting rod drives the soft structure clamping point, the soft structure clamping point moves downwards, and the soft structure clamping point moves to the outer glass wall of the centrifuge tube;
(2) the sealing protection device is arranged and plays a role in sealing and protecting the inside of the centrifugal tube, so that the phenomenon that the operation of the centrifugal tube is failed due to the fact that the tube opening is opened when the centrifugal tube operates in a centrifuge is avoided, after the centrifugal rubber plug body is plugged into the glass tube body, the sealing cylinder push rod of the main cylinder is pulled upwards and moves upwards, the sealing cylinder push rod drives the sealing cylinder piston, the sealing cylinder piston moves upwards, the sealing cylinder piston drives the sealing rubber plug, the sealing rubber plug moves upwards, and the sealing rubber plug abuts against the air outlet of the main cylinder;
(3) through being provided with disinfection cleaning device, disinfection cleaning device can be to the inside cleaning and disinfection effect that plays of centrifuging tube, and when centrifuging tube was centrifugal motion in centrifuge, the inside alcohol of negative pressure water pump received centrifugal force effect, and the negative pressure water pump outwards spills alcohol, and alcohol spills from the delivery port.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a perspective view of the present invention;
fig. 3 is a schematic view of A, B of the present invention in two parts;
FIG. 4 is a schematic view of the negative pressure water pump of the present invention;
in the figure: 1. a glass tube body; 2. a centrifugal rubber plug body; 3. sealing the cylinder push rod; 4. A master cylinder; 5. sealing the cylinder piston; 6. a negative pressure water pump; 9. clamping the trigger rod; 10. a transverse hook; 11. longitudinal hooks are arranged; 12. an oblique hook; 13. an inertia link; 14. an inertial cylinder valve; 15. an inertial cylinder piston; 16. a ventilation duct; 17. a soft structure pinch point; 18. A water outlet; 19. sealing the rubber plug; 20. a mini cylinder; 21. a one-way valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a centrifugal tube with high sealing performance comprises a glass tube main body 1, wherein a centrifugal rubber plug main body 2 is arranged above the glass tube main body 1, a clamping protection device, a sealing protection device and a disinfection and cleaning device are arranged inside the centrifugal rubber plug main body 2, the clamping protection device comprises an inertia cylinder valve 14 and an inertia cylinder piston 15, the sealing protection device comprises a sealing cylinder piston 5 and a sealing rubber plug 19, and the disinfection and cleaning device comprises a water outlet 18 and a negative pressure water pump 6; the centre gripping protection device protection centrifuging tube does not receive anchor clamps wearing and tearing or damage, protects the original gloss of centrifuging tube, and sealed protection device plays the inside effect of sealed protection centrifuging tube, prevents that the mouth of pipe is opened and is leaded to the work failure when the centrifuging tube from functioning in centrifuge, and disinfection cleaning device can play the cleaning and disinfection effect inside the centrifuging tube.
The clamping protection device also comprises a clamping trigger rod 9, one side of the top end of the clamping trigger rod 9 is provided with a transverse hook 10, a longitudinal hook 11 is arranged below the transverse hook 10, and one side of the longitudinal hook 11 is provided with an oblique hook 12; when the centrifugal rubber plug body 2 is plugged into the glass tube body 1, the glass wall of the glass tube body 1 presses the clamping trigger rod 9, the clamping trigger rod 9 moves upwards, the transverse hook 10 loses obstruction, the transverse hook 10 moves leftwards, the transverse hook 10 drives the longitudinal hook 11, the longitudinal hook 11 moves leftwards, the oblique hook 12 loses obstruction, and the next step of work is triggered by the linkage of the structure.
An inertia connecting rod 13 is welded at the bottom end of the oblique hook 12, a soft structure clamping point 17 is welded at the top end of the inertia connecting rod 13, and a mini cylinder 20 is arranged inside the soft structure clamping point 17; the inclined hook 12 moves along with inertia, the inertia connecting rod 13 loses tension, the inertia connecting rod 13 moves downwards, the inertia connecting rod 13 drives the soft structure clamping point 17, the soft structure clamping point 17 moves downwards, the soft structure clamping point 17 moves to the outer glass wall of the centrifugal tube, and the structure moves to a designated position by inertia.
An inertia cylinder valve 14 is arranged at the upper end of the mini cylinder 20, an inertia cylinder piston 15 is welded at the bottom end of the inertia cylinder valve 14, one-way valves 21 are correspondingly arranged at two sides of the inertia cylinder piston 15, and a ventilation pipeline 16 is arranged at one side of each one-way valve 21; the inertia cylinder valve 14 at the upper end of the mini cylinder 20 moves rightwards under inertia, the inertia cylinder valve 14 drives the inertia cylinder piston 15, the inertia cylinder piston 15 extrudes air inside the mini cylinder 20, the one-way valve 21 is opened, the air is discharged to the ventilation pipeline 16, pressure difference is generated inside and outside the mini cylinder 20, the soft structure clamping point 17 is adsorbed on the glass wall outside the centrifugal tube, air pressure difference is generated by inertia, and the structure is adsorbed on the centrifugal tube by the air pressure difference.
The sealing protection device also comprises a centrifugal rubber plug body 2, a main cylinder 4 is arranged in the centrifugal rubber plug body 2, a sealing cylinder push rod 3 is arranged at the top end of the main cylinder 4, a sealing cylinder piston 5 is welded at the bottom end of the sealing cylinder push rod 3, and a sealing rubber plug 19 is welded at the bottom end of the sealing cylinder piston 5; centrifugal rubber buffer main part 2 is plugged in behind glass pipe main part 1, upwards stimulate sealed cylinder push rod 3 of main cylinder 4, sealed cylinder push rod 3 upward movement, sealed cylinder push rod 3 drives sealed cylinder piston 5, sealed cylinder piston 5 upward movement, sealed cylinder piston 5 drives sealed rubber buffer 19, sealed rubber buffer 19 upward movement, sealed rubber buffer 19 supports the gas outlet of main cylinder 4, utilize the cylinder to the absorption of centrifuging tube inside air, cause the inside vacuum that is close of centrifuging tube, under the effect of atmospheric pressure, reach best sealed condition inside and outside the centrifuging tube.
The bottom end of the sealing rubber plug 19 is welded with a negative pressure water pump 6, and a water outlet 18 is arranged outside the negative pressure water pump 6; when the centrifugal tube does centrifugal motion in the centrifugal machine, alcohol inside the negative pressure water pump 6 is acted by centrifugal force, the negative pressure water pump 6 sprays the alcohol outwards, the alcohol sprays out from the water outlet 18, the alcohol is sprayed out by the centrifugal force, and the interior of the centrifugal tube is cleaned and disinfected by the alcohol.
The working principle is that the clamping protection device protects the centrifuge tube from being worn or damaged by a clamp, protects the original gloss of the centrifuge tube, the sealing protection device plays a role in sealing and protecting the interior of the centrifuge tube, and prevents the centrifuge tube from failing to work due to opening of a tube opening when the centrifuge tube runs in a centrifuge, the disinfection and cleaning device can play a role in cleaning and disinfecting the interior of the centrifuge tube, when the centrifugal rubber plug main body 2 is plugged into the glass tube main body 1, the glass wall of the glass tube main body 1 presses the clamping trigger rod 9, the clamping trigger rod 9 moves upwards, the transverse hook 10 loses obstruction, the transverse hook 10 moves leftwards, the transverse hook 10 drives the longitudinal hook 11, the longitudinal hook 11 moves leftwards, the oblique hook 12 loses obstruction, the next step of work is triggered by the linkage of the structure, the oblique hook 12 moves along with inertia, the inertia connecting rod 13 loses tension, the inertia connecting rod 13 moves downwards, the inertia connecting rod 13 drives the soft structure clamping point 17, the soft structure clamping point 17 moves downwards, the soft structure clamping point 17 moves to the outer glass wall of the centrifugal tube, the structure moves to a designated position by inertia, the inertia cylinder valve 14 at the upper end of the mini cylinder 20 moves rightwards by inertia, the inertia cylinder valve 14 drives the inertia cylinder piston 15, the inertia cylinder piston 15 extrudes air in the mini cylinder 20, the one-way valve 21 is opened, the air is discharged to the ventilation pipeline 16, pressure difference is generated between the inside and the outside of the mini cylinder 20, the soft structure clamping point 17 is adsorbed on the outer glass wall of the centrifugal tube, the structure is adsorbed on the centrifuge tube by utilizing the air pressure difference, the sealing cylinder push rod 3 of the main cylinder 4 is pulled upwards after the centrifugal rubber plug body 2 is plugged into the glass tube body 1, the sealing cylinder push rod 3 moves upwards, the sealing cylinder push rod 3 drives the sealing cylinder piston 5, and the sealing cylinder piston 5 moves upwards, sealed cylinder piston 5 drives sealed rubber stopper 19, sealed rubber stopper 19 upward movement, sealed rubber stopper 19 supports the gas outlet of main cylinder 4, utilize the cylinder to the absorption of centrifuging tube inside air, cause the inside vacuum that is close of centrifuging tube, under the effect of atmospheric pressure, reach the best sealed condition inside and outside the centrifuging tube, when the centrifuging tube is centrifugal motion in centrifuge, the inside alcohol of negative pressure water pump 6 receives centrifugal force effect, the outside alcohol that spills of negative pressure water pump 6, alcohol spills from delivery port 18, utilize centrifugal force to spill alcohol, utilize the alcohol clean and disinfect inside the centrifuging tube.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. Centrifuging tube that leakproofness is strong, including glass tube main part (1), its characterized in that: glass manages main part (1) top and is provided with centrifugal rubber buffer main part (2), inside centre gripping protection device, the sealed protection device and the disinfection cleaning device of being provided with of centrifugal rubber buffer main part (2), centre gripping protection device is including inertia cylinder valve (14) and inertia cylinder piston (15), sealed protection device is including sealed cylinder piston (5) and sealed rubber buffer (19), disinfection cleaning device includes delivery port (18) and negative pressure water pump (6).
2. The centrifuge tube with high sealing performance according to claim 1, wherein: the clamping protection device further comprises a clamping trigger rod (9), a transverse hook (10) is arranged on one side of the top end of the clamping trigger rod (9), a longitudinal hook (11) is arranged below the transverse hook (10), and an oblique hook (12) is arranged on one side of the longitudinal hook (11).
3. The centrifuge tube with high sealing performance according to claim 2, wherein: the welding of slant couple (12) bottom has inertia connecting rod (13), the welding of inertia connecting rod (13) top has soft structure centre gripping point (17), soft structure centre gripping point (17) inside is provided with mini cylinder (20).
4. The centrifuge tube with high sealing performance as claimed in claim 3, wherein: mini cylinder (20) upper end is provided with inertia cylinder valve (14), inertia cylinder piston (15) are welded to inertia cylinder valve (14) bottom, inertia cylinder piston (15) both sides correspondence is provided with check valve (21), check valve (21) one side is provided with air pipe (16).
5. The centrifuge tube with high sealing performance according to claim 4, wherein: sealing protection device is still including centrifugation rubber buffer main part (2), inside master cylinder (4) that is provided with of centrifugation rubber buffer main part (2), master cylinder (4) top is provided with sealed cylinder push rod (3), sealed cylinder push rod (3) bottom welding has sealed cylinder piston (5), sealed cylinder piston (5) bottom welding has sealed rubber buffer (19).
6. The centrifuge tube with high sealing performance as claimed in claim 5, wherein: the bottom welding of sealing rubber stopper (19) has negative pressure water pump (6), negative pressure water pump (6) outside is provided with delivery port (18).
CN202022961150.2U 2020-12-10 2020-12-10 Centrifuge tube with high sealing performance Active CN215029050U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022961150.2U CN215029050U (en) 2020-12-10 2020-12-10 Centrifuge tube with high sealing performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022961150.2U CN215029050U (en) 2020-12-10 2020-12-10 Centrifuge tube with high sealing performance

Publications (1)

Publication Number Publication Date
CN215029050U true CN215029050U (en) 2021-12-07

Family

ID=79214691

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022961150.2U Active CN215029050U (en) 2020-12-10 2020-12-10 Centrifuge tube with high sealing performance

Country Status (1)

Country Link
CN (1) CN215029050U (en)

Similar Documents

Publication Publication Date Title
CN215029050U (en) Centrifuge tube with high sealing performance
CN101734448B (en) Tank deck protecting device and air pressure protecting system thereof
CN209231027U (en) A kind of sampler of bioreactor
CN109665477A (en) The packaging process of benzaldehyde
CN102109403A (en) Leakage detector of welding seam of container
CN217424672U (en) Quality detection device for corrugated pipe of vacuum switch tube
CN215865659U (en) Medicine bottle seals leakage detection alarm device
CN213944090U (en) Line spray tube cleaning equipment is produced in nanometer spinning
CN201688951U (en) Welding seam leakage detecting box
CN212328377U (en) Sewage detection that leakproofness is good holds box
CN215665219U (en) Medical waste liquid collecting bag
CN210392284U (en) Direct-buried glass fiber reinforced plastic double-layer oil tank
CN207121093U (en) A kind of tank deck device
CN206716647U (en) A kind of device of canning line bottle washing machine waterpipe draining
CN108392149B (en) Adsorption wiping device and adsorption wiping method
CN214451410U (en) Novel sealing structure of thrust wheel
CN220149207U (en) Drip-proof device for liquid packaging machine
CN217094817U (en) Cleaning assembly for machining filling valve
CN218143241U (en) Sealing device of quick-opening cover
CN213665386U (en) Biological safety sample treatment box with shock-absorbing function
CN219585814U (en) Flushing, filling and sealing three-in-one device system
CN212698959U (en) Gas collecting device for detecting helicobacter pylori
CN208199086U (en) Liquid storage bottle
CN213997124U (en) Exhaust mechanism of ampoule bottle cleaning machine
CN213433741U (en) High-efficient scrubbing tower that gas circulation was handled

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant