CN106290048B - Sample delivery device, Fire Assaying assay equipment and its measuring method of Fire Assaying assay equipment - Google Patents
Sample delivery device, Fire Assaying assay equipment and its measuring method of Fire Assaying assay equipment Download PDFInfo
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- CN106290048B CN106290048B CN201510239612.0A CN201510239612A CN106290048B CN 106290048 B CN106290048 B CN 106290048B CN 201510239612 A CN201510239612 A CN 201510239612A CN 106290048 B CN106290048 B CN 106290048B
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Abstract
The present invention provides a kind of sample delivery device of Fire Assaying assay equipment, it includes sample load plate and supports the sample load plate in the bracket of an extended position, wherein, the sample load plate includes having the sample introduction upper plate of multiple sample receptions opening and below sample introduction upper plate and the baffle with multiple sample release openings, the baffle can move between holding position and releasing position relative to the sample introduction upper plate；At the holding position, the plate body of the baffle stops sample to discharge downwards from the receiving opening；At the releasing position, multiple sample release openings of the baffle and multiple sample receptions opening cooperation of the sample introduction upper plate are to form multiple sample release channels；The sample load plate is hung in the extended position so that multiple samples can discharge downwards the same time from the extended position at the releasing position.
Description
Technical field
The present invention relates to the conveying devices of sample for test, the more particularly, to sample delivery device of Fire Assaying chemical examination.
Background technique
Gold is noble metal, and accurate gold content measurement is even more important for gold trade.Fire assaying is commonly used for Huang
Golden business is to detect the detection method of gold content or gold content.In general, worker sending the product containing gold being wrapped in lead foil
Into high-temperature smelting pot to carry out Fire Assaying, to detect gold content.
Traditional Fire Assaying method is shot sample to be individually sent into smelting furnace using long handle stainless pucellas with worker (ash is blown
Furnace), transfer efficiency is low, and bum accidents easily occurs.
Summary of the invention
The present invention provides the sampling devices of Fire Assaying assay equipment.Sampling device is a kind of sample delivery device,
For the sample of identification will to be needed to be sent into sensing equipment.The sampling device of Fire Assaying assay equipment is a kind of for that will need to reflect
Fixed sample containing noble metal is sent into the sample delivery device that melt process is carried out in high temperature furnace.Sampling device is also known as sample delivery dress
It sets, including sample introduction vehicle and sample introduction carrier.
Invention also provides a kind of Fire Assaying assay equipment comprising smelting furnace and the sample delivery described in this fill
It sets.
The present invention provides the sample delivery device of Fire Assaying assay equipment, including main body, sample load plate, load plate is pushed away
Bar and sample releasing device.The main body include body front end can put in smelting furnace front end carrier and body rear can be with
The body rear or back-end operations frame for contacting and operating for operator.The sample load plate is installed on the body and can be passed through
The driving of the load plate push rod, which moves longitudinally forward to shift to the body front end or move backward, shifts to the body rear, and
Including sample introduction upper plate and lower baffle plate.Multiple sample reception openings are formed on the sample introduction upper plate.The lower baffle plate can be relative to
The sample introduction upper plate moves between closed position and releasing position.The lower baffle plate is placed on institute at the closed position
The sample in sample reception opening is stated to be maintained in the sample reception opening.The lower baffle plate is put at the releasing position
Open Side Down is released from the sample reception for the sample for setting in sample reception opening.The sample releasing device
The lower baffle plate can be moved to the releasing position in operation.
Specifically, sample delivery device includes main body, sample load plate and sample releasing device.Main body is included in the main body
The front end carrier of front end and in the operating side of the body rear.Front end carrier is resistance to fight and dangles forward stretching from sample introduction vehicle frame.
Sample load plate is movably installed at the front end carrier in the main body and between operating side.Sample load plate include sample introduction upper plate and
The movable lower baffle plate being movably installed under the sample introduction upper plate.Multiple sample reception openings are formed on sample introduction upper plate.Lower block
Multiple mobilizable sample block pieces and multiple mobilizable sample release openings are formed on plate.Sample releasing device is movably pacified
On the sample load plate.
Sample delivery device may include for by the sample load plate between the body front end and the body rear
Mobile load plate push rod and/or transfer bar mechanism.The load plate push rod can connect with the sample load plate and extand rearward to described
Body rear.The mountable rear end in the load plate push rod of the control terminal of the sample releasing device.Transfer bar mechanism is mounted on institute
It states in main body.
Sample releasing device may include the relieving mechanism for moving the lower baffle plate between closed position and releasing position.
The relieving mechanism may include the release lever of installation on the body.The release lever can be connect and backward with the lower baffle plate
Extend to the body rear.
Movable lower baffle plate can be by spring bias towards the sample releasing position.The activity lower baffle plate can be with spring and institute
State the connection of sample introduction upper plate.
Invention also provides the sample introduction vehicles of Fire Assaying assay equipment.
Sample introduction vehicle may include for by the main body from the raised bracket of sample introduction vehicle frame.The bracket is mounted on described
Between main body and the sample introduction vehicle frame.
Sample introduction vehicle may include that may make the front end carrier vertical-lift and reduced elevating mechanism.The elevating mechanism can
It is mounted between the main body and the sample introduction vehicle frame.
The fire resisting front end carrier of sample introduction vehicle can dangle forward from the sample introduction vehicle frame stretching 1.5 meters, 2 meters, 2.5 meters, 3 meters or
More than.
Invention also provides gold content measuring methods comprising: sample delivery device is placed on containing golden sample by multiple
On the sample load plate；The sample load plate for being loaded with sample is shifted to the front end carrier for having put in smelting furnace, so that sample
Into the smelting furnace having been warmed up；The elevating mechanism and the mobile cupel frame set are operated, so that being loaded with the sample of sample
Product load plate is aligned with the cupel group；The sample releasing device is operated, so that multiple samples fall into institute from the sample load plate
State multiple corresponding cupels of cupel group；And after heating sample, gold content is measured.
About 1100 DEG C of high-temperature smelting pot general operation temperature, unlatching fire door heat radiation is huge, and general high temperature resistant width penetrates the technology of clothes
Performance can not closely resist such high temperature, and operator must be from fire door 2.5m or more.Sampling device through the invention is set
Meter, operator can more safely and effectively operate.
Lead fusing point is 327.4 DEG C, shot enter in high temperature furnace must in a short period of time in (10 seconds) fast and accurately
Cupel is fallen into, otherwise lead will melt, and measurement is caused to fail.
The present invention provides the sample delivery devices of easy to operate Fire Assaying assay equipment, can be in very short time
The interior multiple cupels put multiple samples simultaneously into the smelting furnace having been warmed up.
Although the main body of the disclosure is run after fame with " Fire Assaying ", the application of the disclosure is not limited to " Fire Assaying ", it is suitable for
It is various with high-temperature molten metal, especially noble metal, to detect its content.
Detailed description of the invention
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein:
Fig. 1 is the schematic diagram for the sample delivery device 100 chemically examined as the Fire Assaying of embodiment；
Fig. 2 is the schematic diagram of the sample load plate of Fig. 1 embodiment；
Fig. 3 is the schematic diagram of the lower baffle plate of Fig. 1 embodiment；
Fig. 4 is the schematic diagram for the sample delivery device 200 chemically examined as the Fire Assaying of embodiment；
Fig. 4 A is the schematic diagram of the support plinth of Fig. 4 embodiment；
Fig. 5 is the schematic diagram of cupel group.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, below in conjunction with attached drawing and preferably
Embodiment, to a specific embodiment of the invention, structure, feature and effect, detailed description is as follows.In addition, passing through specific implementation
The explanation of mode is able to more go deep into specifically when that can reach the present invention technical means and efficacy that predetermined purpose is taken
Understand, however institute's attached drawing is only to provide reference and description use, is not intended to limit the present invention.
Fig. 1, which is shown, to be suitable for sample to be sent into high-temperature smelting pot to carry out the reality of the sample delivery device 100 of Fire Assaying chemical examination
Apply example.Sample delivery device 100 includes main body 110, sample load plate 120, load plate push rod 130 and lower baffle plate 124.
Main body 110 is made with the high temperature resistant of fire resisting stainless steel etc., resistant material.Main body 110 includes slender branch
Frame 112.Bracket 112 is substantially rectangular, including body front end 114, body rear 116 and two sides 118.Two sides 118 are considerably longer than
Both ends, to form substantially rectangular elongated bracket 112.Inward flange of the bracket 112 along two sides 118 has a pair of of sample introduction track, with
Guidance sample load plate 120 can shift to forward body front end 114 along a longitudinal direction, and move backward and shift to body rear
116.112 main body front end of bracket is protruded into smelting furnace in operation.112 main body front end of bracket is formed with cupel frame, makes
Obtaining 112 main body front end of bracket can be aligned with the cupel group in smelting furnace.Cupel frame 119 includes cupel frame front end 119a and two
A cupel frame side 119b, 119c.The front end 119a of cupel frame 119 is downwardly extending along the body front end 114 of bracket 112
Cupel frame foreboard.Two sides 119b, 119c of cupel frame 119 are extended downwardly along the two sides of bracket 112 118, form cupel frame
Side plate.The foreboard and both side plate of cupel frame cooperate to limit the coaming plate of cupel frame.The vertically and horizontally space that 119 coaming plate of cupel frame limits
Just it is suitable for receiving cupel group.The body front end portion 119a of cupel frame 119 and two sides 119b, 119c are rigid when in use
The body front end portion and two sides of cupel group are nestled up well.112 body rear 116 of bracket is far from body front end, in operation
It contacts and operates for operator.
Sample load plate 120 is made with the high temperature resistant of fire resisting stainless steel etc., resistant material.Sample load plate 120 includes
Sample introduction upper plate 122 and the lower baffle plate 124 below sample introduction upper plate.Sample introduction upper plate 122 can be along sample introduction track relative to bracket 112
It moves longitudinally.As shown in Fig. 2, multiple sample reception openings 126 are formed on sample introduction upper plate 122, to receive multiple samples simultaneously
Product.
In some embodiments, the shape of sample reception opening 126 is of a generally circular or rounded to receive spherical sample.
Sample load plate 120 is connect with load plate push bracket.Load plate push bracket extends back and from 120 rear end of sample load plate including load plate
Push rod 130.Lower baffle plate push rod 132 is installed above main body 110.Lower baffle plate push rod 132 connect and indulges with lower baffle plate middle section
To extending to body rear 116.The fixed push rod 136 of cupel is mounted with below lower baffle plate 124.The fixed push rod 136 of cupel most before
End is connect with top plate 138, for fixing cupel.In use, cupel frame 119 entangles cupel, and push rod 136 is fixed with cupel and is withstood
Cupel, sample introduction upper plate 122 and lower baffle plate 124 are pushed into above cupel along sample introduction track.
Lower baffle plate 124 can be (or open in holding position (or closed position) and releasing position relative to sample introduction upper plate 122
Position) between move.
In some embodiments, lower baffle plate 124 can be in grid-like.
In some embodiments, in grid-like lower baffle plate 124 have obstacle item and between gap.As shown in figure 3, barrier
Item is hindered to can be used as sample block piece, the arrangement in obstacle item and/or gap is corresponding with the arrangement of receiving opening 126.
In some embodiments, in grid-like lower baffle plate 124 there are multiple samples formed on balk board to discharge
Mouthful.Sample release opening is corresponding with the arrangement of sample reception opening 126.Sample release opening and sample reception opening 126
Vertically and horizontally size is corresponding.
In some embodiments, the vertically and horizontally size of sample release opening is more than or not less than sample reception opening 126
Vertically and horizontally size.
In some embodiments, lower baffle plate 124 can move longitudinally relative to sample introduction upper plate 122.In some embodiments
In, lower baffle plate 124 can be relative to sample introduction upper plate 122 transversely or other directions are mobile.
In some embodiments, multiple sample reception openings 126 arrange in a matrix fashion.It is formed on lower baffle plate 124 multiple
Sample block piece 128.Sample block piece 128 follows lower baffle plate 124 to stop sample reception to be open relative to the movement of sample introduction upper plate 122
126 or be moved away from sample reception opening 126.The opening size of sample reception opening 126 is greater than the vertically and horizontally size of sample.It is using
When, sample is placed on sample reception opening 126.When lower baffle plate 124 is at closed position, i.e., sample block piece 128 connects in sample
Sample reception opening 126 is received immediately below opening 126 and stops, sample is maintained at the opening of the sample reception on sample introduction upper plate 122
126.When lower baffle plate 124 is at release position, i.e., sample block piece 128 is displaced from immediately below sample reception opening 126, so that sample
126 underface obstacle cleaning of receiving opening, sample reception opening 126 become sample release opening, the sample on sample introduction upper plate 122
Product will follow gravity direction to fall down.
Load plate push rod 130 is connect by the longitudinally extending portion of load plate push bracket with sample load plate 120, so that sample load plate
120, which follow the longitudinal movement of load plate push rod 130 to shift to 112 body front end 114 of bracket forward and move backward, shifts to bracket 112
Body rear 116.
Lower baffle plate 124 is connect along longitudinal direction with lower baffle plate push rod 132, so that lower baffle plate 124 follows the vertical of lower baffle plate push rod 132
It is displaced from immediately below sample reception opening 126 or is moved toward immediately below sample reception opening 126 to movement.
In some embodiments, lower baffle plate 124 is connected through a screw thread with lower baffle plate push rod 132, so that lower baffle plate 124 is corresponding
The rotation of lower baffle plate push rod 132 makees longitudinal movement and is displaced from immediately below sample reception opening 126 or is moved toward sample reception opening
Immediately below 126.
In some embodiments, lower baffle plate 124 is biased to closed position by spring bias.Operator must overcome spring bias with
Lower baffle plate 124 is shifted into release position.
In some embodiments, 124 body front end of lower baffle plate has actuating arm, and actuating arm is by spring bias to keep lower block
Plate 124 is in closed position.When actuating arm touches 119 body front end portion 119a of cupel frame, actuating arm is by body front end portion
119a driving, so that lower baffle plate 124 shifts to release position.
As shown in figure 5, cupel group includes the multiple cupel units limited in cupel group peripheral wall.In some embodiments,
Cupel group is integrally formed.The arrangement of cupel unit and the arrangement of sample reception opening 126 are corresponding in length and breadth.In operation, sample introduction
126 respective or consistency from top to bottom vertical with cupel unit of sample reception opening on upper plate 122.It is beaten when lower baffle plate 124 is driven to
When open position, the sample on sample introduction upper plate 122 falls down the cupel unit to aligned beneath.
Main body 110 is mounted in support base 140.Support base be mounted on body rear 116 and body front end 114 it
Between, main body 110 is increased from support surface.Main part in front of support base from the front of the support base, stretch by suspension
Out.
In some embodiments, main body 110 can be mounted on support plinth 180 as shown in Figure 4 A by support base 140
Support surface 182 on, to form the sample delivery device 200 of Fire Assaying chemical examination as shown in Figure 4.
Support plinth 180 forms bracket and has support surface 182, and the elevator being mounted on support surface 182
Structure 184.Elevating mechanism 184 makes main body can vertical-lift and reduction relative to support surface 182 in operation.Elevating mechanism
Operating device is mounted on the rear end of support plinth 180, and elevating mechanism is abutted with support base 140 and adjacent support pedestal 180
Front end.Elevating mechanism can be the jacking system based on gear.
In some embodiments, jacking system includes capstan winch 186, gearcase 188, interlocking bar 190 and elevating control box
192.It is gear train or hydraulic system in gearcase 188 and elevating control box 192.By rotating capstan winch 186, interlocking bar is driven
The 190 control liftings of elevating control box 192 cause rising or falling for top pillar 194, to adjust the height of load plate push bracket.
In some embodiments, bracket becomes capable of movable operating vehicle frame equipped with wheel.
In some embodiments, the peripheral wall height of a little higher than cupel group of the liftable amplitude of elevating mechanism.
In some embodiments, main body 110 can be moved forward and backward along longitudinal direction relative to bracket and/or vehicle frame, so that before main body
The variable-magnitude that end 114 is stretched out from vehicle frame front suspension.
In operation, main body 110 is mounted on bracket and/or vehicle frame by support base 140.After installation, body front end
114 stretch out from bracket and/or vehicle frame front suspension.Body rear 116 is hung from pallet rear end stretches out.Operator is by sample load plate
120 move on to right above bracket, and sample is placed into the opening of multiple sample receptions on sample introduction upper plate 122 126.Later, operator
Bracket is mobile, so that the front end carrier in body front end puts in the smelting furnace having been warmed up.Operation and ash by elevating mechanism
The movement of ware frame set, so that cupel frame set is aligned with the cupel group.After cupel frame set is aligned with the cupel group, operator
Push rod 136 is fixed with cupel and withstands cupel, and sample load plate 120 is moved on into 112 main body front end of bracket, i.e. cupel along sample introduction track
Top, and operate sample releasing device so that multiple samples from sample load plate fall into cupel group multiple corresponding cupels and
After sample is heated, gold content is measured.
In the embodiment of Fire Assaying content assaying method, method includes i) wrapping up shot: gold and silver are used lead foil packet
Wrap up in, and be pressed into compact shot, ii) plate cupel is put into up to 1100 DEG C of high temperature furnace and is heated up, it is preheated to cupel
1100 DEG C, which contains multiple hole locations；Iii shot sample) is put into multiple sample receptions on the sample introduction upper plate of sample introduction vehicle to open
In mouth 126；Iv) after confirming that multiple sample reception openings are corresponded with cupel vacancy, operator operates sample releasing device,
So that multiple samples fall into multiple corresponding cupels of cupel group from sample load plate；V) after discharging shot sample, the lifting is operated
Main body 110 is increased and is separated with cupel group by mechanism, then is pulled out backward from smelting furnace.Thereafter, gold is rolled up using tabletting, boil acid point
The programs such as weighing after gold, annealing drying, change, calculate the content of gold.
In some embodiments, containing 192 sample reception openings on sample introduction upper plate, one can handle batch sample simultaneously is total to
192 shots.
In some embodiments, the size of sample delivery device according to the present invention is as follows:
The embodiment of the present invention is described above by reference to the exemplary example of attached drawing.It should be understood that attached drawing and detailed description are not
It is intended to limit the present invention to concrete form disclosed herein.It should be appreciated that can be within the scope of the invention to being retouched
The example stated carries out various changes and modifications.
Claims (20)
1. the sample delivery device of Fire Assaying assay equipment, including main body, sample load plate, load plate push rod and sample release dress
It sets；The main body includes that in body front end and can put in the front end carrier of smelting furnace and can connect in body rear and for operator
The back-end operations frame of touching and operation；The sample load plate installation can simultaneously pass through the drives edge of the load plate push rod on the body
It is advanced longitudinally forward shift to the body front end or move backward shift to the body rear, and including sample introduction upper plate and lower block
Plate, multiple sample reception openings are formed on the sample introduction upper plate, and the lower baffle plate can closed relative to the sample introduction upper plate
It is moved between position and releasing position；The lower baffle plate is placed in the sample reception opening at the closed position
Sample is maintained in the sample reception opening；The lower baffle plate is placed on the sample reception and opens at the releasing position
Open Side Down is released from the sample reception for the sample in mouthful；The sample releasing device in operation can will be described under
Baffle is moved to the releasing position；The body front end has cupel frame set, and the cupel frame set is used in operation by institute
The multiple sample reception opening for stating sample introduction upper plate is aligned with multiple cupels of inside furnace.
2. sample delivery device according to claim 1, which is characterized in that be formed with multiple sample gears on the lower baffle plate
Part and sample release opening；At the closed position, the sample block piece is in the underface that the sample reception is open to protect
The sample is held in sample reception opening；At the releasing position, the sample release opening connects with the sample
Register is received, is fallen down so that the sample is open from the sample reception along gravity direction.
3. sample delivery device according to claim 2, which is characterized in that the vertically and horizontally size of the sample release opening
More than or equal to the vertically and horizontally size of sample reception opening.
4. sample delivery device according to claim 2, which is characterized in that the lower baffle plate has barrier in grid-like
Hinder item and the gap between obstacle item, the arrangement in the obstacle item and/or the gap and the row of sample reception opening
It arranges corresponding.
5. sample delivery device according to claim 2, which is characterized in that the multiple sample of the sample introduction upper plate connects
Opening is received with the multiple sample release opening of the lower baffle plate with identical matrix, identical row matrix or identical matrix
Column arrangement.
6. sample delivery device according to claim 5, which is characterized in that each row matrix or the rectangular array pair
It should be open in the multiple sample reception, so that multiple samples can be simultaneously along described in one at the releasing position
Row matrix or the rectangular array discharge downwards.
7. sample delivery device according to claim 1 further includes support the main body, enable the front end carrier
Vertical-lift and reduced elevating mechanism enable the front end carrier vertical in smelting furnace by the operation of the elevating mechanism
Reduce with close in smelting furnace including multiple cupels cupel group to discharge sample, and after discharge sample in smelting furnace vertically
It is promoted far from the cupel group.
8. sample delivery device according to claim 1 further includes being mounted between the body rear and body front end
Support base, the support base increases the main body from support surface, and makes the master in front of the support base
Body portion is hung from the front of the support base to be stretched out.
9. sample delivery device according to claim 8 further includes elevating mechanism, the elevating mechanism passes through the support
Pedestal supports the main body, enables the front end carrier vertical-lift and reduction when the elevating mechanism operates.
10. sample delivery device according to claim 1 further includes the support plinth with support surface, the main body
It is mounted on the support plinth, front end carrier pendency in front of the support plinth stretches out；In operation, the sample
Load plate can move between the front end carrier of the main body and the body rear.
11. sample delivery device according to claim 10, which is characterized in that the sample load plate can be vertical along the main body
To movement, in the extended position to dangle relative to the support plinth and relative to the retracted position of the non-pendency of the support plinth
Between move.
12. sample delivery device according to claim 10, which is characterized in that the support plinth includes equipped with wheel
Sample introduction vehicle frame, can moving operation.
13. sample delivery device according to claim 1, which is characterized in that the cupel frame set includes from the front end
The coaming plate that the front end and two sides of carrier extend downwardly, between the coaming plate defined by vertically and horizontally space size and inside furnace
Cupel group periphery vertically and horizontally size it is corresponding.
14. according to sample delivery device described in any one of aforementioned claim, which is characterized in that be mounted with energy in the main body
The load plate push rod that the sample load plate is moved between the body rear and the body front end.
15. sample delivery device according to any one of claim 1 to 13, which is characterized in that installed in the main body
The relieving mechanism that the lower baffle plate can be moved between the closed position and the releasing position, the sample release dress
It sets including the relieving mechanism.
16. sample delivery device according to claim 14, which is characterized in that the load plate push rod and the relieving mechanism
Operating side in the rear end of the main body.
17. sample delivery device according to claim 15, which is characterized in that the load plate push rod and the relieving mechanism
Operating side in the rear end of the main body.
18. sample delivery device according to any one of claim 1 to 13, which is characterized in that the sample reception is opened
The shape of mouth is circle to receive spherical sample.
19. a kind of Fire Assaying assay equipment comprising smelting furnace and the sample according to any one of aforementioned claim are defeated
Send device.
20. a kind of Fire Assaying content assaying method comprising:
I. it is placed on multiple on sample load plate described in the sample delivery device according to claim 7 or 9 containing golden sample；
Ii., the sample load plate for being loaded with the sample is shifted to the front end carrier for having put in smelting furnace, so that the sample
Product enter the smelting furnace having been warmed up；
Iii. the elevating mechanism and the mobile cupel frame set are operated so that be loaded with the sample load plate of the sample with
Cupel group alignment including multiple cupels；
Iv. the sample releasing device is operated, so that multiple samples fall into the multiple right of the cupel group from the sample load plate
Answer cupel；And
V. after sample being heated, gold content is measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510239612.0A CN106290048B (en) | 2015-05-12 | 2015-05-12 | Sample delivery device, Fire Assaying assay equipment and its measuring method of Fire Assaying assay equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510239612.0A CN106290048B (en) | 2015-05-12 | 2015-05-12 | Sample delivery device, Fire Assaying assay equipment and its measuring method of Fire Assaying assay equipment |
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| CN106290048A CN106290048A (en) | 2017-01-04 |
| CN106290048B true CN106290048B (en) | 2019-07-19 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109061095B (en) * | 2018-07-18 | 2024-05-10 | 河南中原黄金冶炼厂有限责任公司 | Full-automatic efficient cupel machine and cupel production method |
| CN110579563B (en) * | 2019-10-28 | 2024-09-10 | 紫金铜业有限公司 | Method for simultaneously detecting gold and silver samples by fire test method |
| CN116819108B (en) * | 2023-08-24 | 2023-11-24 | 长春黄金研究院有限公司 | Automatic gold separating system for fire test method and using method thereof |
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| CN106290048A (en) | 2017-01-04 |
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