CN220339836U - Microwave digestion instrument for water quality detection - Google Patents

Microwave digestion instrument for water quality detection Download PDF

Info

Publication number
CN220339836U
CN220339836U CN202321417199.9U CN202321417199U CN220339836U CN 220339836 U CN220339836 U CN 220339836U CN 202321417199 U CN202321417199 U CN 202321417199U CN 220339836 U CN220339836 U CN 220339836U
Authority
CN
China
Prior art keywords
bevel gear
cooling
plate
baffle
water quality
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
CN202321417199.9U
Other languages
Chinese (zh)
Inventor
薛颖
莫芳敏
邝雨虹
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.)
Haikou Haoyuan Detection Technology Co ltd
Original Assignee
Haikou Haoyuan Detection Technology 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 Haikou Haoyuan Detection Technology Co ltd filed Critical Haikou Haoyuan Detection Technology Co ltd
Priority to CN202321417199.9U priority Critical patent/CN220339836U/en
Application granted granted Critical
Publication of CN220339836U publication Critical patent/CN220339836U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment

Landscapes

  • Sampling And Sample Adjustment (AREA)

Abstract

The utility model discloses a microwave digestion instrument for water quality detection, which comprises a first connecting plate, a bottom plate, a rotating mechanism for rotating a sample tank in the digestion process to enable the sample tank to react uniformly, and a cooling switching mechanism for cooling the sample tank and switching the next group of sample tanks. The beneficial effects are that: the middle part area is divided into an upper area, a middle area and a lower area through the partition plate, the middle part area is used for digestion, the sample tank to be digested is placed at the lower part, after the middle part digestion is completed, the screw is driven to rotate through the first motor, the baffle is enabled to be wholly lifted, the sample tank in the middle part after digestion is lifted to the upper area, the sample tank is prevented from being cooled through the cooling fan and burst due to overlarge high temperature pressure, the baffle is attached to the partition plate, the three areas are isolated and are not interfered with each other, a working space is vacated after the digestion is completed, a position is provided for the next group of sample tanks, and the time of occupying a digestion instrument when waiting for cooling the sample tanks is removed.

Description

Microwave digestion instrument for water quality detection
Technical Field
The utility model relates to the technical field of water quality detection, in particular to a microwave digestion instrument for water quality detection.
Background
The microwave digestion technology utilizes the penetrability and the activation reaction capability of microwaves to heat the reagent and the sample in the closed container, so that the pressure in the sample preparation container can be increased, the reaction temperature is increased, the reaction rate is greatly increased, and the time for preparing the sample is shortened.
The Chinese patent with the prior patent number of CN214584442U discloses a microwave digestion instrument for water quality detection, which comprises a digestion instrument box and a first clamping block, wherein a placement box is fixed below the inner wall of the digestion instrument box, a first fixing block is welded below the inner wall of the placement box, a first thread groove is formed in the inner wall of the first fixing block, a threaded rod is fixed on the inner wall of the first thread groove, a driving motor is arranged above the outer wall of the first fixing block, a rotating shaft is arranged on the outer wall of the driving motor, a turntable is fixed on the outer wall of the rotating shaft, a clamping groove is formed in the inner wall of the turntable, a first clamping block is fixed on the outer wall of the clamping groove, a sliding mechanism is arranged on the outer wall of the first clamping block, and a clamping mechanism is arranged on the inner wall of the sliding mechanism;
this patent document makes it drive the carousel through setting up and rotates, and first fixture block is fixed in the middle of the inner wall of draw-in groove simultaneously, and the rotation that corresponds is carried out to the container that like this can be fine, but after the sample is cleared up in the sample container, need wait for sample container cooling, prevent that the inside pressure of container is too big to lead to bursting injury people, at the cooling in-process, clear up the inside by occupation for a long time of appearance, can't carry out next group and clear up.
Disclosure of Invention
The present utility model has been made to solve the above-mentioned problems, and an object of the present utility model is to provide a microwave digestion instrument for water quality detection.
The utility model realizes the above purpose through the following technical scheme:
the microwave digestion instrument for water quality detection comprises a first connecting plate, a bottom plate, a rotating mechanism for rotating a sample tank in the digestion process to enable the reaction of the sample tank to be uniform, and a cooling switching mechanism for cooling the sample tank and switching the next group of sample tanks, wherein the cooling switching mechanism is arranged on the inner side of the first connecting plate, the rotating mechanism is arranged on the rear side of the cooling switching mechanism, and the bottom plate is arranged on the lower side of the cooling switching mechanism;
the cooling switching mechanism comprises a partition plate, the partition plate is installed inside the first connecting plate, the partition plate is provided with two partition plates, upper, middle and lower three areas are partitioned, a baffle is arranged in each area, the upper sides of the baffle in the area of the middle part and the lower part are provided with rotating seats, the upper sides of the rotating seats are provided with tank seats, a screw rod penetrates through the inside of the baffle, limit rods are arranged on two sides of the screw rod, a cooling fan is arranged in the first connecting plate, the cooling fan is located in the area of the upper part and the lower part, a second conical gear is arranged outside the screw rod and located in the area of the lower part, a first conical gear is arranged on one side of the second conical gear, and a first motor is arranged at a power receiving end of the first conical gear.
Preferably: the rotating mechanism comprises a mounting plate, the mounting plate is mounted on the upper side of the partition plate located on the lower side, a connecting rod is arranged in the mounting plate, a transmission shaft is arranged on the lower side of the connecting rod, a third conical gear is mounted at the power output end of the transmission shaft, a fourth conical gear is arranged on one side of the third conical gear, a connecting shaft is mounted between the fourth conical gear and the connecting rod, a second motor is mounted at the power receiving end of the transmission shaft and located on the rear side of the mounting plate, an electric telescopic rod is mounted on the rear side of the second motor, and a gear ring is mounted on the outer portion of the rotating seat.
Preferably: the cooling switching mechanism downside is provided with the bottom plate, the cooling switching mechanism upside is provided with the roof, first connecting plate one side is provided with the display screen, first connecting plate rear side is provided with the second connecting plate, first connecting plate front side is provided with the furnace gate, the furnace gate upside is provided with the cooling door.
Preferably: the baffle with gag lever post sliding connection, the baffle with screw rod threaded connection, the rotation seat with the baffle rotates to be connected.
Preferably: the second bevel gear is in keyed connection with the screw, and the second bevel gear is meshed with the first bevel gear.
Preferably: the inside of the partition plate is provided with a through hole, and the size of the through hole is the same as that of the rotating seat.
Preferably: the connecting rod and the transmission shaft are both in sliding connection with the mounting plate, the third bevel gear is meshed with the fourth bevel gear, the fourth bevel gear is meshed with the gear ring, and the connecting shaft is connected with the fourth bevel gear bearing.
Compared with the prior art, the utility model has the following beneficial effects:
the middle part area is divided into an upper area, a middle area and a lower area through the partition plate, the middle part area is used for digestion, the sample tank to be digested is placed at the lower part, after the middle part digestion is completed, the screw is driven to rotate through the first motor, the baffle is enabled to be wholly lifted, the sample tank in the middle part after digestion is lifted to the upper area, the sample tank is prevented from being cooled through the cooling fan and burst due to overlarge high temperature pressure, the baffle is attached to the partition plate, the three areas are isolated and are not interfered with each other, a working space is vacated after the digestion is completed, a position is provided for the next group of sample tanks, and the time of occupying a digestion instrument when waiting for cooling the sample tanks is removed.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of a microwave digestion instrument for water quality detection according to the present utility model;
FIG. 2 is a cross-sectional view of a microwave digestion instrument for water quality testing according to the present utility model;
FIG. 3 is a cross-sectional view of A-A of a microwave digestion instrument for water quality testing according to the present utility model;
FIG. 4 is a schematic structural view of a cooling switching mechanism of the microwave digestion instrument for water quality detection;
FIG. 5 is a schematic structural view of a rotating mechanism of a microwave digestion instrument for water quality detection according to the present utility model;
fig. 6 is a sectional view of a rotating mechanism of the microwave digestion instrument for water quality detection according to the present utility model.
The reference numerals are explained as follows:
1. a top plate; 2. a first connection plate; 3. a second connecting plate; 4. a display screen; 5. a furnace door; 6. a cooling door; 7. a cooling switching mechanism; 701. a cooling fan; 702. a screw; 703. a limit rod; 704. a baffle; 705. a tank seat; 706. a rotating seat; 707. a first motor; 708. a first bevel gear; 709. a second bevel gear; 710. a partition plate; 8. a bottom plate; 9. a rotating mechanism; 901. a mounting plate; 902. a connecting rod; 903. a second motor; 904. an electric telescopic rod; 905. a transmission shaft; 906. a third bevel gear; 907. a fourth bevel gear; 908. a connecting shaft; 909. and a gear ring.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1-6, the microwave digestion instrument for water quality detection comprises a first connecting plate 2, a bottom plate 8, a rotating mechanism 9 for rotating sample tanks to enable the reaction of the sample tanks to be uniform in the digestion process, and a cooling switching mechanism 7 for cooling the sample tanks and switching the next group of sample tanks, wherein the cooling switching mechanism 7 is arranged on the inner side of the first connecting plate 2, the rotating mechanism 9 is arranged on the rear side of the cooling switching mechanism 7, and the bottom plate 8 is arranged on the lower side of the cooling switching mechanism 7.
In this embodiment: the cooling switching mechanism 7 comprises a partition plate 710, the partition plate 710 is arranged on the inner side of the first connecting plate 2, two partition plates 710 are arranged to partition an upper region, a middle region and a lower region, a baffle 704 is arranged in each of the three regions, a rotating seat 706 is arranged on the upper side of the baffle 704 in the middle region and the lower region, a tank seat 705 is arranged on the upper side of the rotating seat 706, a screw 702 penetrates through the inside of the baffle 704, limit rods 703 are arranged on two sides of the screw 702, a cooling fan 701 is arranged in the first connecting plate 2 and is arranged in the upper region and the lower region, a second conical gear 709 is arranged on the outer side of the screw 702 and is arranged in the lower region, a first conical gear 708 is arranged on one side of the second conical gear 709, and a first motor 707 is arranged at the power receiving end of the first conical gear 708; the baffle 704 is in sliding connection with the limit rod 703, the baffle 704 is in threaded connection with the screw 702, the rotating seat 706 is in rotating connection with the baffle 704, the second bevel gear 709 is in key connection with the screw 702, the second bevel gear 709 is meshed with the first bevel gear 708, a through hole is formed in the partition plate 710, and the size of the through hole is the same as that of the rotating seat 706; the division board 710 divides the region into three upper, middle and lower, the sample jar is placed to jar seat 705, middle part region is the digestion work region, upper and lower region is the cooling region, after the digestion work is accomplished, first motor 707 starts, transfer first bevel gear 708 rotation, make second bevel gear 709 drive screw 702 rotation, limit the rotation of baffle 704 through gag lever post 703, make baffle 704 rise, rotate seat 706 and carry out regional switching, the sample jar that the digestion was accomplished rises to the cooling region, cool down through cooling fan 701, prevent the great burst of internal pressure of sample jar, the lower part is waiting to be digested the sample jar, enter into the middle part and carry out digestion work, laminating through baffle 704 and division board 710, separate the closure with different regions, change the sample jar after the cooling is accomplished, continue through the start of first motor 707, regional change, make the sample jar that needs cooling not occupy the space of digestion work.
In this embodiment: the rotating mechanism 9 comprises a mounting plate 901, the mounting plate 901 is mounted on the upper side of a partition plate 710 positioned on the lower side, a connecting rod 902 is arranged in the mounting plate 901, a transmission shaft 905 is arranged on the lower side of the connecting rod 902, a third bevel gear 906 is mounted at the power output end of the transmission shaft 905, a fourth bevel gear 907 is arranged on one side of the third bevel gear 906, a connecting shaft 908 is mounted between the fourth bevel gear 907 and the connecting rod 902, a second motor 903 is mounted at the power receiving end of the transmission shaft 905 and positioned on the rear side of the mounting plate 901, an electric telescopic rod 904 is mounted on the rear side of the second motor 903, and a gear ring 909 is mounted outside a rotating seat 706; the connecting rod 902 and the transmission shaft 905 are both in sliding connection with the mounting plate 901, the third bevel gear 906 is meshed with the fourth bevel gear 907, the fourth bevel gear 907 is meshed with the gear ring 909, and the connecting shaft 908 is in bearing connection with the fourth bevel gear 907; the electric telescopic rod 904 pushes the second motor 903 to enable the connecting rod 902 to drive the connecting shaft 908 to move, enable the fourth bevel gear 907 to be meshed with the gear ring 909, enable the second motor 903 to be started to drive the third bevel gear 906 to rotate, enable the fourth bevel gear 907 to drive the gear ring 909 to rotate, enable the rotating seat 706 to rotate, and enable samples in the sample tank to fully react.
In this embodiment: the lower side of the cooling switching mechanism 7 is provided with a bottom plate 8, the upper side of the cooling switching mechanism 7 is provided with a top plate 1, one side of the first connecting plate 2 is provided with a display screen 4, the rear side of the first connecting plate 2 is provided with a second connecting plate 3, the front side of the first connecting plate 2 is provided with a furnace door 5, and the upper side and the lower side of the furnace door 5 are provided with cooling doors 6; the furnace door 5 is used for setting and monitoring parameters for the digestion working area, the cooling door 6 corresponds to the cooling area, and the display screen 4 is used for setting and monitoring parameters.
Working principle: the punching furnace door 5 and the cooling door 6 are arranged in the tank seat 705 for fixing, the furnace door 5 and the cooling door 6 are closed, the partition plate 710 divides the area into an upper area, a middle area, a digestion working area, an upper area and a lower area, the cooling area are arranged through the display screen 4 for setting and monitoring parameters, the middle area starts working, the electric telescopic rod 904 pushes the second motor 903 and the connecting rod 902, the fourth bevel gear 907 is meshed with the gear ring 909 through the connection of the connecting shaft 908, the second motor 903 is started to drive the third bevel gear 906 to rotate, the rotating seat 706 is meshed with the fourth bevel gear 907 through the third bevel gear 906 to rotate, the sample in the sample tank is uniformly reacted, after digestion is finished, the electric telescopic rod 904 is reset, the second motor 903 is stopped, the first motor 707 is started to drive the first bevel gear 708 to rotate, the first bevel gear 708 is meshed with the second bevel gear 709 to drive the screw 702 to rotate, the baffle 704 is limited to rotate by the limiting rod 703 to enable the baffle 704 to ascend, the rotating seat 706 is driven to ascend, the sample tank which completes digestion work is ascended to an upper area, cooling is carried out by the cooling fan 701, the sample tank which is to be digested at the lower part ascends to a middle area to carry out digestion work, the baffle 704 is contacted with the partition plate 710 to seal the area, the electric telescopic rod 904 is started, the fourth bevel gear 907 is meshed with the gear ring 909, the second motor 903 is started to drive the rotating seat 706 to rotate, the sample in the sample tank in the tank seat 705 is enabled to uniformly react, after cooling is finished, the cooling door 6 is opened to take out the sample tank, the sample tank with digestion is put in the tank seat 705, the cooling door 6 is closed, the rotating mechanism 9 is retracted after digestion work is completed, the first motor 707 is started, the baffle 704 is descended, the rotating seat 706 is used for area replacement, and carrying out digestion work and cooling, and repeatedly completing the work according to the above.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (7)

1. The utility model provides a water quality testing is with microwave digestion instrument, includes first connecting plate (2), bottom plate (8), is used for rotating sample jar and makes its even slewing mechanism (9) of reaction, its characterized in that in digestion process: the device further comprises a cooling switching mechanism (7) for cooling the sample tanks and switching the next group of sample tanks, wherein the cooling switching mechanism (7) is arranged on the inner side of the first connecting plate (2), the rotating mechanism (9) is arranged on the rear side of the cooling switching mechanism (7), and the bottom plate (8) is arranged on the lower side of the cooling switching mechanism (7);
the cooling switching mechanism (7) comprises a partition plate (710), the partition plate (710) is installed on the inner side of the first connecting plate (2), the partition plate (710) is provided with two partition plates, upper, middle and lower three areas are partitioned, a baffle (704) is arranged in each of the three areas, a rotating seat (706) is arranged on the upper side of the baffle (704) in the area of the middle part and the lower part, a tank seat (705) is arranged on the upper side of the rotating seat (706), a screw rod (702) penetrates through the inside of the baffle (704), limit rods (703) are arranged on two sides of the screw rod (702), a cooling fan (701) is installed in the first connecting plate (2), the cooling fan is located in the upper area and the lower area, a second conical gear (709) is installed on the outer portion of the screw rod (702), a first conical gear (708) is arranged on one side of the second conical gear (709), and a first motor (707) is installed at the power receiving end of the first conical gear (708).
2. The microwave digestion instrument for water quality detection according to claim 1, wherein: the rotating mechanism (9) comprises a mounting plate (901), the mounting plate (901) is mounted on the upper side of the partition plate (710) located on the lower side, a connecting rod (902) is arranged inside the mounting plate (901), a transmission shaft (905) is arranged on the lower side of the connecting rod (902), a third bevel gear (906) is mounted at the power output end of the transmission shaft (905), a fourth bevel gear (907) is arranged on one side of the third bevel gear (906), a connecting shaft (908) is mounted between the fourth bevel gear (907) and the connecting rod (902), a second motor (903) is mounted at the power receiving end of the transmission shaft (905), the second motor (903) is located on the rear side of the mounting plate (901), an electric telescopic rod (904) is mounted on the rear side of the second motor (903), and a gear ring (909) is mounted on the outer side of the rotating seat (706).
3. The microwave digestion instrument for water quality detection according to claim 1, wherein: the cooling switching mechanism (7) downside is provided with bottom plate (8), cooling switching mechanism (7) upside is provided with roof (1), first connecting plate (2) one side is provided with display screen (4), first connecting plate (2) rear side is provided with second connecting plate (3), first connecting plate (2) front side is provided with furnace gate (5), furnace gate (5) upside and downside all are provided with cooling door (6).
4. The microwave digestion instrument for water quality detection according to claim 1, wherein: the baffle (704) is in sliding connection with the limiting rod (703), the baffle (704) is in threaded connection with the screw rod (702), and the rotating seat (706) is in rotating connection with the baffle (704).
5. The microwave digestion instrument for water quality detection according to claim 1, wherein: the second bevel gear (709) is keyed to the screw (702), the second bevel gear (709) being meshed with the first bevel gear (708).
6. The microwave digestion instrument for water quality detection according to claim 1, wherein: the inside of the partition plate (710) is provided with a through hole, and the size of the through hole is the same as that of the rotating seat (706).
7. The microwave digestion instrument for water quality detection according to claim 2, wherein: the connecting rod (902) and the transmission shaft (905) are both in sliding connection with the mounting plate (901), the third bevel gear (906) is meshed with the fourth bevel gear (907), the fourth bevel gear (907) is meshed with the gear ring (909), and the connecting shaft (908) is in bearing connection with the fourth bevel gear (907).
CN202321417199.9U 2023-06-06 2023-06-06 Microwave digestion instrument for water quality detection Active CN220339836U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321417199.9U CN220339836U (en) 2023-06-06 2023-06-06 Microwave digestion instrument for water quality detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321417199.9U CN220339836U (en) 2023-06-06 2023-06-06 Microwave digestion instrument for water quality detection

Publications (1)

Publication Number Publication Date
CN220339836U true CN220339836U (en) 2024-01-12

Family

ID=89447512

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321417199.9U Active CN220339836U (en) 2023-06-06 2023-06-06 Microwave digestion instrument for water quality detection

Country Status (1)

Country Link
CN (1) CN220339836U (en)

Similar Documents

Publication Publication Date Title
CN220339836U (en) Microwave digestion instrument for water quality detection
CN211358841U (en) Feed additive sodium butyrate reation kettle
CN215327203U (en) Anaerobic ammonia oxidation reaction tank for chemical wastewater treatment
CN212083284U (en) Glass thermal stability testing arrangement
CN110215863B (en) Antibacterial soap liquid integrated preparation device
CN115056347B (en) Cement-based permeable crystalline waterproof material production equipment and production process
CN211411705U (en) Antibacterial soap liquid integrated manufacturing equipment
CN218361017U (en) Slag stirring device
CN211522013U (en) U-shaped glass forming device
CN220872197U (en) Food detects preliminary treatment with driving sour ware
CN218973969U (en) Induction type full-automatic digestion device
CN210030074U (en) High-purity magnesium carbonate preparation facilities
CN220345622U (en) AFU raw material processing equipment
CN216181224U (en) Be used for medicine plastic bottle to seal aluminium foil gasket cutting device
CN217739121U (en) Testing arrangement of liquid accelerator stability
CN218422471U (en) Slurry stirrer for manufacturing lithium iron phosphate anode detection film
CN214681651U (en) Constant temperature reaction tank
CN220483940U (en) Blood sampling ice bath box and sample fixing device
CN218072290U (en) Packaging box of integrated communication module with heat radiation structure
CN219490070U (en) Homogenization isothermal annealing device for sintered NdFeB magnet
CN212595906U (en) Waste ceramic crushing device for refractory material production line
CN220194032U (en) Crystallization device is used in chemical reagent production
CN218307375U (en) Preparation facilities of paster inductance silver thick liquid
CN220918833U (en) Plant beverage mixer
CN218077378U (en) Automatic stirring equipment is used in antibacterial gel production

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant