CN110426244A - A kind of metallurgy sampler - Google Patents
A kind of metallurgy sampler Download PDFInfo
- Publication number
- CN110426244A CN110426244A CN201910802234.0A CN201910802234A CN110426244A CN 110426244 A CN110426244 A CN 110426244A CN 201910802234 A CN201910802234 A CN 201910802234A CN 110426244 A CN110426244 A CN 110426244A
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- Prior art keywords
- turntable
- sampling
- tube
- metallurgical
- suction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
- G01N2001/1427—Positive displacement, piston, peristaltic
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of metallurgical samplers, including tube-placing device and suction tube device；The heating furnace cavity above crucible is arranged in the tube-placing device, and the cavity has for suction tube device through the sampling channel for entering lower section crucible；The tube-placing device includes the first turntable and the second turntable, first turntable is equipped with the sampling for turning to and docking with sampling channel bottom end and switches hole, several sampling glass tubes are parallel to sampling channel and are placed on the second turntable, and turn to the second turntable and be coaxial docking with sampling channel；The suction tube device is detachably connected to by connector with the sampling glass tube being docked in sampling channel is turned to.The present invention can be realized in metallurgical process by feeding device to metal bath and clinker real time sample, can be protected from heating furnace peripheral operation suction tube device from the crucible internal suction sample of inside heating furnace, the safety of operating process.
Description
Technical field
The present invention relates to a kind of metallurgical samplers.
Background technique
In pyrometallurgical process, metal melt ingredients and slag composition situation of change have subsequent industrial production
Important meaning, and be at present a problem to the sampling of real-tirne metal melt and clinker.
In existing metallurgical production process, in small-sized crucible heating process, metal bath and clinker are sampled
It is all that crucible is taken out from heating furnace and is sampled after the completion of testing heating.Heated for relatively large crucible, then be
In experimentation, heating furnace is opened, sampling is then scooped out by special spoon, needs to open heating furnace in sampling process simultaneously
And close to the metal bath of high temperature, security risk is larger, and repeatedly samples the problem uneven there is also sampling, influences subsequent
Sample analysis.
Summary of the invention
Technical problem solved by the present invention is providing a kind of smelting for shortcoming existing for existing metallurgical sampling mode
Golden sampler carries out safe and reliable sample detection to metal bath and slag composition.
The present invention adopts the following technical scheme that realization:
A kind of metallurgy sampler, including tube-placing device 3 and suction tube device 4；
The heating furnace cavity 11 above crucible is arranged in the tube-placing device 3, and the cavity has to be run through for suction tube device 4
Into the sampling channel of lower section crucible；
The tube-placing device 3 includes the first turntable 31 and the second turntable 32, and first turntable 31 is equipped with and turns to
The sampling docked with sampling channel bottom end switches hole 311, and several sampling glass tubes 35 are parallel to sampling channel and are placed in the second turntable
On 32, and turns to the second turntable 32 and be coaxial docking with sampling channel；
The pipette tip of the suction tube device 4 is equipped with connector, and the suction tube device 4 is docked at by connector with turning to
The sampling glass tube 35 sampled in channel is detachably connected to.
Further, the sampling channel includes the sample tap 111 that two sides are coaxially disposed above and below cavity.
Further, first turntable 31 and the second turntable 32 are coaxial and relatively rotate assembly, and respectively by two groups
Rotation drive device 5 is operated alone.
Further, first turntable 31 and the second turntable 32 are rotated by first rotating shaft 33 and the second shaft 34 respectively
Assembly, for 33 rolling assembling of first rotating shaft in the installing port 113 of cavity, second shaft 34 is hollow shaft, empty set dress
Assigned in first rotating shaft 33, the first rotating shaft 33 and 34 top of the second shaft are coaxially disposed the first drive disk 36 and second respectively
Drive disk 37, first drive disk 36 and the second drive disk 37 are sequentially connected with two groups of rotation drive devices 5 respectively.
Further, second turntable 32 includes coaxial two groups setting up and down, and two group of second turntable 32 is along rotational circle
It is evenly arranged several groups place tube located hole 321 week, what the sampling glass tube 35 was inserted into two group of second turntable vertically sets Guan Ding
In the hole 321 of position, bottom is fixed by the support of the first turntable 31 and turns to one by one and to sample channel coaxially right with the second turntable 32
It connects.
Further, 11 roof of cavity setting addition sampling glass tube plus nozzle 112, described plus nozzle 112 with
It is docked with the place tube located hole 321 of the second turntable 32 rotation.
Further, the rotation drive device 5 includes slider-crank mechanism or gear and rack teeth mechanism or train driver
Structure.
Further, the suction tube device 4 includes syringe 41 and suction pipe 45, and the one of end of the suction pipe 45 passes through
First rubber connector 44 is connect with syringe 41, the second rubber that other end fixed setting is connected to sampling 35 grafting of glass tube
Connector 46.
Further, the barrel of the syringe 41 is fixed in outer cylinder 43, and piston end and slidable fit are in outer cylinder 43
The inner cylinder 42 in portion connects, and the inner cylinder 42 has fixed sliding distance inside outer cylinder 43.
In a kind of metallurgical sampler of the invention, the outer wall of the sampling glass tube 35 is equipped with the absorption of absorption clinker
Groove 351.
Can be realized in metallurgical process by feeding device to metal bath the invention has the following beneficial effects: the present invention and
Clinker real time sample, thus know the accurate variation of the ingredient of metal bath and clinker in entire metallurgical process, it can be to entire
Metallurgical process is better understood by, for providing the foundation for more accurately control metallurgical products.And in the heating furnace of heating crucible
Inside setting tube-placing device does not need to open to provide the probe tube for extending into crucible internal suction sample when operation samples
Heating furnace, from heating furnace peripheral operation suction tube device can from the crucible internal suction sample of inside heating furnace, operating process
Safety is protected.
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Detailed description of the invention
Fig. 1 is the metallurgical sampler overall structure diagram in embodiment.
Fig. 2 is the inside heating furnace hole location schematic diagram in embodiment.
Fig. 3 is the tube-placing device structural schematic diagram in embodiment.
Fig. 4 is the first turntable schematic diagram in embodiment.
Fig. 5 is the second turntable schematic diagram in embodiment.
Fig. 6 is the sampling glass tube schematic diagram in embodiment.
Fig. 7 is the suction tube device structural schematic diagram in embodiment.
Fig. 8 is that schematic diagram of the slider-crank mechanism as rotation drive device is used in embodiment.
Figure label: 1- heating furnace, 11- cavity, 111- sample tap, 112- add nozzle, 113- installing port, 114- detection
Mouthful；
2- crucible, 21- metal bath, 22- clinker；
3- tube-placing device, the first turntable of 31-, 311- sampling switching hole, the second turntable of 32-, 321- place tube located hole, 33-
First rotating shaft, the second shaft of 34-, 35- sample glass tube, 351- attraction grooves, the first drive disk of 36-, the second drive disk of 37-；
4- suction tube device, 41- syringe, 42- inner cylinder, 43- outer cylinder, 44- the first rubber connector, 45- suction pipe, 46-
Two rubber connectors；
5- rotation drive device, 51- connecting rod, 52- sliding block, 53- sliding slot；
6- thermocouple.
Specific embodiment
Embodiment
Referring to Fig. 1, the metallurgical sampler of one of diagram is the preferred embodiments of the invention, specifically includes heating furnace
1, crucible 2, tube-placing device 3, suction tube device 4, rotation drive device 5 and thermocouple 6, wherein heating furnace is high frequency electric furnace,
Heating metallurgy is carried out to the metallic ore inside interior crucible 2, the metal inside crucible 2 forms metal bath in the molten state
21, the clinker 22 after one layer of surface flotation melting of metal bath 21, the sampler of the present embodiment is exactly to 2 inside of crucible
Metal bath 21 and clinker 22 are sampled analysis.Heating furnace 1 above crucible 2 is internally provided with one and is formed by partition
Cavity 11, the tube-placing device 3 in sampler is arranged in the heating furnace cavity 11 above crucible, and tube-placing device 3 is for mentioning
For extending to the sampling glass tube sampled inside crucible, by 11 peripheral operation suction tube device 4 of heating furnace and tube-placing device
Sampling glass tube docking enters lower section crucible and carries out absorption sampling, which has on suction tube device 4 and tube-placing device
The pick-up component of glass tube composition is sampled through the sampling channel entered in the crucible of lower section.
In conjunction with referring to fig. 2,1 inner space of heating furnace in the present embodiment is divide into upper part and lower part, and middle and lower part is divided into pair
The heating region that crucible 2 is heated, heating region top are separated out a cavity 11, the top plate of cavity 11 and bottom by partition
Several ducts are only opened up on plate as functions such as sampling channel, sense channel, installation hole locations.Specifically include sample tap 111 plus pipe
Mouth 112, installing port 113 and detection mouth 114, wherein sample tap 111 is coaxially disposed on the top plate and bottom plate of cavity 11, is formed
Through the sampling channel of entire cavity 11；Nozzle 112 is added to be provided only on the top plate of cavity 11, for what is be arranged to cavity inside
Sampling glass tube is placed on tube-placing device 3；Installing port 113 is arranged on the top plate of cavity 11, the mounting hole as tube-placing device 3
Position；Detection mouth 114 is coaxially disposed on the top plate and bottom plate of cavity 11, is formed the sense channel for running through entire cavity 11, is convenient for
Temperature of the thermocouple 6 outside heating furnace in insertion crucible internal monitoring metal smelting process.
In conjunction with referring to Fig. 3, tube-placing device 3 includes coaxially arranged the first turntable 31 and the second turntable 32, in the first turntable
31 are used to support the sampling glass tube 35 placed on the second turntable 32, are provided with and turn to and sampling channel bottom end sample tap
The sampling of 111 docking switches hole 311, and the earthenware in lower heater zone domain is entered for the sampling glass tube after docking with suction tube device 4
It is sampled in crucible.Several sampling glass tubes 35 are parallel to sampling channel and are placed on the second turntable 32, and the second turntable 32 rotates band
The dynamic sampling glass tube 35 placed thereon is moved to be coaxial docking with sampling channel, and suction tube device 4 passes through sampling channel roof
Sample tap 111 is docked and connected with sampling glass tube 35, and sampling is then switched the alignment sampling of hole 311 by the first turntable 31 of rotation
Channel realizes that suction tube device 4 drives sampling glass tube 35 to enter inside the crucible of lower section.
Specifically, the first turntable 31 and the second turntable 32 is coaxial but asynchronous rotation, i.e. the first turntable 31 and second turn
Rotate relatively freely between disk 32, specific assembly method is as follows: the first turntable 31 and the second turntable 32 are respectively by first turn
34 rolling assembling of axis 33 and the second shaft, wherein the first turntable 31 is the lower section with the second turntable 32, it is coaxial with the first turntable 31
The first rotating shaft 33 being fixedly connected passes through bearing rolling assembling in the installing port 113 of cavity, coaxial fixed with the second turntable 32
Second shaft 34 of connection uses hollow shaft, and whole empty set is assemblied in first rotating shaft 33, such first rotating shaft 33 and second turn
It can be freely rotated between axis 34, first rotating shaft 33 and the second shaft 34 are connected with two groups of transmissions of rotation drive device 5 respectively
It connects, realizes the independent rotation control between the first turntable 31 and the second turntable 32.
The first drive disk 36 and the second drive disk 37 are coaxially fixed in first rotating shaft 33 and the top of the second shaft 34 respectively, and first
Shaft 33 and the second shaft 34 are connected by the first drive disk 36 and the second drive disk 37 and two groups of transmissions of rotation drive device 5 respectively
It connects, provides the rotational power of tube-placing device 3 by rotation drive device 5.
In order to improve the efficiency of batch sample detection, more can be stored simultaneously on tube-placing device 3 and sets pipe glass tube 35.Knot
It closes referring to fig. 4 and Fig. 5, the second turntable 32 in the present embodiment includes coaxial two groups setting up and down, two group of second 32 edge of turntable
Its rotation round is evenly arranged 12 groups of place tube located holes 321, coaxial between the place tube located hole between two group of second turntable 32,
Sampling glass tube 35 is inserted into the coaxial place tube located hole 321 of two group of second turntable simultaneously, realizes that sampling glass tube 35 is vertical
It positions, only one sampling of setting switches hole 311 on the circumference in corresponding place tube located hole on the first turntable 31, in sampling switching
When hole 311 is not turned to any one place tube located hole co-axially align, the bottom for setting pipe glass tube 35 passes through the first turntable 31
Support limit.Sampling glass tube 35 is turned to one by one with the second turntable 32 and is coaxial docking with sampling channel.Place tube located hole 321
Quantity can be selected according to the size of the second turntable 32 and the quantity of needs batch sampling.
To sum up, the fixed rotation for being located at sampling switching hole 311 and place tube located hole 321 of sample tap 111 in channel is sampled
On circumference.The effect of the first turntable 31 and the second turntable 32 of tube-placing device 3 is different, and rotation control is also different.First
Turntable 31 only has two states, i.e. the first turntable 31 partition samples on the sample tap 111 and the first turntable 31 of channel bottom end
Sampling switching hole 311 alignment connection sampling channel；It all will corresponding place tube located after second turntable, 32 one fixed angle of every rotation
Sampling glass tube in hole 321 is aligned with sampling channel, behind the sampling glass tube alignment sampling channel on the second turntable 32, the
One turntable 31 is in the state in partition sampling channel, supports the sampling glass tube by the first turntable 31, at this time also by the
Sampling on one turntable 31 switches the place tube located hole 321 that hole 311 will be adjacent on the second turntable 32 and is staggered, and pushes up from sampling channel
Suction tube device and the sampling glass tube are docked and connected by the sample tap at end, then control the rotation of the first turntable 31 and switch to sampling and cut
The connection sampling channel of hole 311 is changed, drives sampling glass tube to enter inside crucible by suction tube device 4 at this time and is sampled.
The present embodiment adds nozzle 112 11 roof of cavity setting addition sampling glass tube, adds nozzle 112 second turn corresponding
Circular path where place tube located hole on disk 32, after all sampling glass tubes 35 on tube-placing device are finished, rotation the
Two turntables 32 will add nozzle 112 to be aligned with the place tube located hole 321 on the second turntable 32, can add new sampling glass tube 35
Enter onto the tube-placing device 3 of inside heating furnace, does not need opening heating furnace and carry out plus manage.
The rotation drive device 5 of the first turntable 31 and the second turntable 32 that tube-placing device 3 is respectively driven in the present embodiment can
To use slider-crank mechanism or one or both of gear and rack teeth mechanism or train transmission mechanism, wherein slider-crank mechanism
As shown in Figure 7, using the first drive disk 36 or the second drive disk 37 as crank end, 51 one end of connecting rod is hinged on the first driving
The non-center location of disk 36 or the second drive disk 37, the other end are hinged on the sliding block 52 of sliding slot 53, when sampling, by pushing away manually
Movable slider 52 drives the first drive disk 36 or the rotation of the second drive disk 37.Sliding block 52 is in the settable several correspondences in the inside of sliding slot 53 the
The scale of rotary state is corresponded to inside one turntable 31 or the second turntable 32, is determined convenient for the first turntable 31 and the accurate of the second catching plate 32
Position rotation.Gear & rack structure can be using the first drive disk or the second drive disk as gear, by pushing rack drives manually
First turntable or the rotation of the second turntable.Train transmission mechanism includes but is not limited to gear drive, synchronous belt drive mechanism, chain
Wheel drive mechanism.
The present embodiment metal bath 21 and clinker 22 can be sampled simultaneously, as shown in fig. 6, the sampling in the present embodiment
Glass tube 35 uses special glass tube resistant to high temperature, the attraction grooves 351 of one circle indent of setting in the outer surface of glass tube, when
Sampling glass tube 35 is protruded into after metal bath 21, and the metal bath of liquid is aspirated by interior lumen, and it is molten to swim in metal
Clinker 22 on body, which can gather, to be adsorbed in attraction grooves 351, is taken out together with sampling glass tube.
In conjunction with referring to Fig. 7, the pipette tip of suction tube device 4 is equipped with connector, and suction tube device 4 is by connector and turns to pair
The sampling glass tube 35 in sampling channel is connect detachably to be connected to.
Specifically, suction tube device 4 includes syringe 41, inner cylinder 42, outer cylinder 43, the first rubber connector 44,45 and of suction pipe
Second rubber connector 46.Suction pipe 45 also uses glass tube resistant to high temperature, and the one of end of suction pipe 45 is connected by the first rubber
Connector 44 is connect with the pump orifice of syringe 41, and the second rubber that other end fixed setting is connected to sampling 35 grafting of glass tube connects
Connector 46, sampling the length that metal tube 35 and suction pipe 45 dock will guarantee that the metal that metal tube 35 extend into crucible will be sampled
It is sampled below melt level.Rubber connector is sampling glass tube end by the elastic reaction cuff of rubber material, real
Now the fixed of sampling glass tube is docked, and can guarantee suction pipe 45 and sample the connection sealing energy between glass tube 35,
Guarantee the air-tightness of the suction sampling of syringe 41.
It is living in order to guarantee that the barrel of syringe 41 is fixed in outer cylinder 43 by the constant of each sampling capicity, the present embodiment
The inner cylinder 42 of end and slidable fit inside outer cylinder 43 to be filled in connect, inner cylinder 42 has fixed sliding distance inside outer cylinder 43,
Inner cylinder 42 has a raised extension, when the piston in syringe shifts bottom onto, corresponds to one of inner cylinder 42 in outer cylinder 43
Extreme position pulls out inner cylinder 42, band piston moves inside syringe cylinder, when inner cylinder 42 when needing to aspirate sampling
Raised epitaxial touch the step limit of 43 inner wall of outer cylinder after, realize fixed suction distance of the piston in syringe cylinder, with
Quantitative metal bath sample is aspirated in guarantee every time.
After by the suction sampling of suction tube device 4, by entire sampling glass tube by being retracted to heating in sampling channel
Furnace exterior, metal bath, which is generally sucked, to be stored in inside sampling glass tube 35, in the attraction grooves for sampling 35 outer wall of glass tube
Certain g of slag sample is gathered, sampling glass tube 35 is removed from suction tube device 4, takes out sample from sampling glass tube
It is analyzed.
Above-mentioned only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form.Although of the invention
It has been disclosed in a preferred embodiment above, however, it is not intended to limit the invention.Anyone skilled in the art is not taking off
In the case where from technical solution of the present invention range, all technical solution of the present invention is made perhaps using the technology contents of the disclosure above
Mostly possible changes and modifications or equivalent example modified to equivalent change.Therefore, all without departing from technical solution of the present invention
Content, technical spirit any simple modifications, equivalents, and modifications made to the above embodiment, should all fall according to the present invention
In the range of technical solution of the present invention protection.
Claims (10)
1. a kind of metallurgy sampler, it is characterised in that: including tube-placing device (3) and suction tube device (4)；
The heating furnace cavity (11) above crucible is arranged in the tube-placing device (3), and the cavity has to be passed through for suction tube device (4)
Pierce into the sampling channel into lower section crucible；
The tube-placing device (3) includes the first turntable (31) and the second turntable (32), and first turntable (31), which is equipped with, to be turned
It moves to sampling switching hole (311) docked with sampling channel bottom end, several sampling glass tubes (35) are parallel to sampling channel and are placed in
On second turntable (32), and turns to the second turntable (32) and be coaxial docking with sampling channel；
The pipette tip of the suction tube device (4) is equipped with connector, and the suction tube device (4) is docked at by connector with turning to
The sampling glass tube (35) sampled in channel is detachably connected to.
2. a kind of metallurgical sampler according to claim 1, the sampling channel is included in cavity, and two sides are coaxial up and down
The sample tap (111) of setting.
3. a kind of metallurgical sampler according to claim 1, first turntable (31) and the second turntable (32) are coaxial
And assembly is relatively rotated, and be operated alone respectively by two groups of rotation drive devices (5).
4. a kind of metallurgical sampler according to claim 3, first turntable (31) and the second turntable (32) are respectively
By first rotating shaft (33) and the second shaft (34) rolling assembling, installing port of first rotating shaft (33) rolling assembling in cavity
(113) in, second shaft (34) is hollow shaft, and empty set is assemblied on first rotating shaft (33), the first rotating shaft (33) and
It is coaxially disposed the first drive disk (36) and the second drive disk (37), first drive disk (36) respectively at the top of second shaft (34)
It is sequentially connected respectively with two groups of rotation drive devices (5) with the second drive disk (37).
5. a kind of metallurgical sampler according to claim 4, second turntable (32) include coaxial setting up and down
Two groups, two group of second turntable (32) is evenly arranged several groups place tube located hole (321), the sampling glass tube along rotation round
(35) it is inserted into vertically in the place tube located hole (321) of two group of second turntable, bottom is fixed simultaneously by the first turntable (31) support
It turns to the second turntable (32) and is coaxial docking with sampling channel one by one.
6. a kind of metallurgical sampler according to claim 5, cavity (11) the roof setting addition sampling glass tube add
Nozzle (112), described plus nozzle (112) are docked with the place tube located hole (321) rotated with the second turntable (32).
7. a kind of metallurgical sampler according to claim 5, the rotation drive device (5) includes slider-crank mechanism
Or gear and rack teeth mechanism or train transmission mechanism.
8. a kind of metallurgical sampler according to claim 1, the suction tube device (4) includes syringe (41) and suction pipe
(45), the one of end of the suction pipe (45) is connect by the first rubber connector (44) with syringe (41), and the other end is solid
The second rubber connector (46) that fixed setting is connected to sampling glass tube (35) grafting.
9. a kind of metallurgical sampler according to claim 7, the barrel of the syringe (41) are fixed on outer cylinder (43)
Interior, piston end and slidable fit are connected in the internal inner cylinder (42) of outer cylinder (43), and the inner cylinder (42) has inside outer cylinder (43)
There is fixed sliding distance.
10. a kind of metallurgical sampler according to claim 1 to 9, the outer wall of sampling glass tube (35)
Attraction grooves (351) equipped with absorption clinker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910802234.0A CN110426244B (en) | 2019-08-28 | 2019-08-28 | Metallurgical sampling device |
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|---|---|---|---|
| CN201910802234.0A CN110426244B (en) | 2019-08-28 | 2019-08-28 | Metallurgical sampling device |
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| CN110426244A true CN110426244A (en) | 2019-11-08 |
| CN110426244B CN110426244B (en) | 2020-07-21 |
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Cited By (5)
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| CN111257054A (en) * | 2020-03-04 | 2020-06-09 | 重庆中科检测技术服务有限公司 | Mud-rock separation negative pressure sampling device that many sample passageways sediment sample was used |
| CN111519570A (en) * | 2020-05-20 | 2020-08-11 | 青岛满关卫生用品有限公司 | Excrement collecting, sampling and cleaning vehicle |
| CN114414311A (en) * | 2021-11-30 | 2022-04-29 | 钢铁研究总院 | Sampling system and sampling method for small vacuum induction furnace for experiment |
| US20220214255A1 (en) * | 2021-01-07 | 2022-07-07 | Fremonta Corporation | Devices, systems and methods for microbial sampling of frozen products |
| CN116448499A (en) * | 2023-06-14 | 2023-07-18 | 成都永安制药有限公司 | Solution detection sampling device |
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|---|---|---|---|---|
| CN111257054A (en) * | 2020-03-04 | 2020-06-09 | 重庆中科检测技术服务有限公司 | Mud-rock separation negative pressure sampling device that many sample passageways sediment sample was used |
| CN111257054B (en) * | 2020-03-04 | 2022-09-09 | 中科检测技术服务(重庆)有限公司 | Mud stone separation negative pressure sampling device that many sample passageways sediment sample was used |
| CN111519570A (en) * | 2020-05-20 | 2020-08-11 | 青岛满关卫生用品有限公司 | Excrement collecting, sampling and cleaning vehicle |
| CN111519570B (en) * | 2020-05-20 | 2021-04-13 | 南京溧水高新创业投资管理有限公司 | Excrement collecting, sampling and cleaning vehicle |
| US20220214255A1 (en) * | 2021-01-07 | 2022-07-07 | Fremonta Corporation | Devices, systems and methods for microbial sampling of frozen products |
| US20220412850A1 (en) * | 2021-01-07 | 2022-12-29 | Fremonta Corporation | Devices, systems and methods for microbial sampling of frozen products |
| CN114414311A (en) * | 2021-11-30 | 2022-04-29 | 钢铁研究总院 | Sampling system and sampling method for small vacuum induction furnace for experiment |
| CN116448499A (en) * | 2023-06-14 | 2023-07-18 | 成都永安制药有限公司 | Solution detection sampling device |
| CN116448499B (en) * | 2023-06-14 | 2023-08-25 | 成都永安制药有限公司 | Solution detection sampling device |
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|---|---|
| CN110426244B (en) | 2020-07-21 |
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