CN206343176U - The noble metal for scraping wall stirring-type extracts material dissolving reactor - Google Patents
The noble metal for scraping wall stirring-type extracts material dissolving reactor Download PDFInfo
- Publication number
- CN206343176U CN206343176U CN201621406458.8U CN201621406458U CN206343176U CN 206343176 U CN206343176 U CN 206343176U CN 201621406458 U CN201621406458 U CN 201621406458U CN 206343176 U CN206343176 U CN 206343176U
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- Prior art keywords
- perching knife
- section
- knife section
- wall
- blade
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Mixers Of The Rotary Stirring Type (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
A kind of noble metal for scraping wall stirring-type extracts material dissolving reactor, it includes kettle and agitating device, the agitating device includes motor, oar axle, perching knife group and blade group, the oar axle axial restraint simultaneously relatively turnable is inserted in the kettle, and the oar axle and the kettle are coaxial, the oar axle and the motor linkage, the perching knife group includes the perching knife of at least two central axis circular arrays for surrounding the oar axle, the perching knife includes integrally formed side wall perching knife section and bottom wall perching knife section, two axially distributed cantilevers are connected between the side wall perching knife section and the oar axle, outer ledge profile in the side wall perching knife section and bottom wall perching knife section is mutually matched identical with the profile of the kettle madial wall and bottom wall respectively, outer ledge in the side wall perching knife section and bottom wall perching knife section can distinguish the madial wall and bottom wall of kettle described in the spatula of Corresponding matching.
Description
Technical field
The utility model is related to the production equipment field of noble metal extraction, and more particularly to one kind improves agitator structure and reached
To the dissolving reactor that noble metal extracts material that is used for for being capable of spatula reactor inwall.
Background technology
Palladium, silver, platinum are present in various industrial wastes as precious metal material, increasingly tight especially for current resource
In the case of, its palladium, silver, platinum mineral resources also will be fewer and fewer, particularly it is total in the world shared by its mineral resources of China
Measure under extremely low background, particularly palladium, platinum much also rely on import, therefore the price of this metalloid is also more and more expensive, and
It can produce the waste material containing above-mentioned metal in the industrial production of different field, and if thrown away this waste material as a kind of rubbish
Fall, the serious waste of resource will be caused, also lead to the pollution of soil and water resources, while will also bring certain economic damage to enterprise
Lose, therefore, if the metal in these waste materials extracted, the production cost of enterprise will be reduced to a certain extent, together
When be also utilization to resources sustainable development；And in noble metal way of recycling, it is necessary to using reactor to containing noble metal into
The material divided is dissolved, and then extracts noble metal by follow-up chemical reaction, and acidity is needed to use in course of dissolution
Solution, solution temperature is at 50-80 degrees Celsius, but acid solution is stirred when dissolving the mixture containing noble metal, it is necessary to utilize
Device disturbs solution, prevents the mixture surrounding medium saturation containing noble metal.
In the production process of some noble metal products, it usually needs be stirred in reactor, and current stirring
Paddle structure is single, and range of disturbance is small, and liquid somewhat sticky in reactor can not be stirred effectively.
Utility model content
The purpose of this utility model is that providing a kind of noble metal for scraping wall stirring-type extracts material dissolving reactor, and it is wanted
The technical problem of solution is：Traditional molten material, which is filled, typically only has single agitating paddle, and the range of disturbance of agitating paddle is small, Er Qiewu
Method is stirred to the material for being attached on reactor inwall.
In order to solve the above technical problems, the utility model, which provides a kind of noble metal for scraping wall stirring-type, extracts material dissolving reaction
Kettle, it includes kettle and agitating device, and the agitating device includes motor, oar axle, perching knife group and blade group, the oar axle
Axial restraint and it is relatively turnable be inserted in the kettle, and the oar axle and the kettle are coaxial, the oar axle and institute
Motor linkage is stated, the perching knife group includes the perching knife of at least two central axis circular arrays for surrounding the oar axle, described
Perching knife includes integrally formed side wall perching knife section and bottom wall perching knife section, and two are connected between the side wall perching knife section and the oar axle
Outer ledge profile in individual axially distributed cantilever, side wall perching knife section and bottom wall perching knife section respectively with the kettle
The profile of side wall and bottom wall is mutually matched identical, and the outer ledge in side wall perching knife section and bottom wall perching knife section can be right respectively
The madial wall and bottom wall of kettle described in the spatula that should be matched.
It is preferable over：The blade group, which is arranged on the oar axle, to be located between two axially distributed cantilevers, the oar
Leaf group includes the coaxial and opposite direction of propulsion Axial-flow stirrer leaf being arranged on the oar axle and is fixedly installed on two groups of axle streams
Between blade and the runoff blade parallel with the oar axle, the projection of two groups of Axial-flow stirrer leaves in the axial direction is overlapping, the runoff oar
The blade quantity of leaf is identical with the blade quantity of every group of Axial-flow stirrer leaf, and the runoff blade is centered on the central shaft of the oar axle
Annular array is set, and the axial two ends of the every runoff blade are separately fixed in Axial-flow stirrer leaf described in two groups mutually corresponding
On blade, Axial-flow stirrer leaf described in two groups and the runoff blade constitute a cage structure, wherein, Axial-flow stirrer described in described two groups
Relatively or contrarily, then the runoff blade is centrifugation blade or centripetal blade to the direction of propulsion of leaf.
It is preferable over：The oar axle includes outer central siphon and the mandrel being coaxially inserted in the outer central siphon, the outer central siphon
With mandrel respectively with the motor linkage, and the outer central siphon and mandrel rotation direction on the contrary, the cantilever is connected to institute
State between side wall perching knife section and outer central siphon, Axial-flow stirrer leaf is fixedly connected with the mandrel described in two groups.
It is preferable over：The upper end of the outer central siphon coaxially be fixedly installed first bevel gear, the upper end of the mandrel is coaxial
Be fixedly installed second bevel gear, the first bevel gear and the cone of second bevel gear are mutually corresponding, it is described first cone tooth
Wheel and second bevel gear are intermeshed with a drive bevel gear, the drive bevel gear and the motor linkage.
It is preferable over：Side wall perching knife section and bottom wall perching knife section respectively with the madial wall and bottom wall of corresponding reactor it
Between be in 30-60 degree angle, side wall perching knife section is the centripetal push structure of runoff, and the bottom wall perching knife section promotes for axle stream
Structure, and the direction of propulsion of bottom wall perching knife section is upward.
It is preferable over：The cantilever includes canned paragraph and folded section, and one end of the canned paragraph is vertically fixedly connected on institute
State on outer central siphon, and each side wall perching knife section and canned paragraph phase in two cantilevers connected between the outer central siphon
Mutually parallel, one end of the folded section is hinged on the canned paragraph other end corresponding with the outer central siphon, the folded section
The other end be fixedly connected in side wall perching knife section, jointed shaft and the outer central siphon between the folded section and canned paragraph
It is parallel.
It is preferable over：The one end being hinged on the canned paragraph with the folded section is provided with two panels connecting cleat, the folding
One end hinge of section is located between two panels connecting cleat, be located in the folded section one end between two panels connecting cleat with it is described
The corresponding side in inside edge in the wall perching knife section of side is fixedly connected with a upset position limit arm, the upset position limit arm and the folding
Folded section is parallel, and bearing of trend in opposite direction, the folded section corresponding with side wall perching knife section of the upset position limit arm
Relatively described canned paragraph rotary expansion is extremely coaxial with the canned paragraph, and the upset position limit arm is resisted against on the canned paragraph and institute
State the outer ledge difference in the corresponding side in inside edge in the wall perching knife section of side, the side wall perching knife section and bottom wall perching knife section
Matching identical spatula corresponding the kettle madial wall and bottom wall.
It is preferable over：Side corresponding with the inside edge in side wall perching knife section is fixedly installed one on the canned paragraph
Spring leaf, the spring leaf is flexibly supported between the canned paragraph and upset position limit arm；With the side wall on the canned paragraph
The corresponding side of outer ledge in perching knife section offers axially extending folding tank, and the folded section rotatable folding is to embedding
It is caught in the folding tank.
Compared with prior art, the beneficial effects of the utility model are：
First, while disturbing the mixed material in the kettle in the oar axle rotation process by the perching knife group
Kettle madial wall and bottom wall described in spatula；
2nd, a cage structure is constituted in the kettle by the blade group to stir the mixing liquid material in kettle
Mix, realization says that perching knife group spatula inner wall of kettle function is combined with a wide range of agitating function of blade group；
3rd, because the cantilever that the perching knife paddle board is connected on the outer central siphon includes the canned paragraph that is hinged
And folded section, the canned paragraph constitutes the foldable structure for folding knife-like of having one's hair cut with folded section, therefore works as perching knife paddle board rotation
During turning, the perching knife paddle board drives the described outstanding of foldable structure in the case where the radial direction of centrifugal force and liquid material promotes lift effect
Arm is expanded to most open state, and then makes the madial wall and bottom wall of kettle described in the outer ledge spatula of the perching knife paddle board, enhancing
Mixing effect.
Brief description of the drawings
Fig. 1 is overall cross section structure diagram of the present utility model.
Fig. 2 is the dimensional structure diagram of blade group of the present utility model.
The partial enlargement structural representation that Fig. 3 is A in Fig. 1.
The cross section structure diagram that Fig. 4 is B-B in Fig. 1.
Embodiment
Below with reference to accompanying drawing 1-4 and preferred embodiment to the utility model proposes a kind of your gold for scraping wall stirring-type
Category extracts material dissolving reactor and is described in greater detail.
The utility model provides a kind of noble metal for scraping wall stirring-type and extracts material dissolving reactor, it include kettle 1 and
Agitating device, the agitating device includes motor 2, oar axle, perching knife group and blade group 3, and the oar axle axial restraint simultaneously can phase
To being inserted in the kettle 1 for rotation, and the oar axle and the kettle 1 are coaxial, and the perching knife group is enclosed including at least two
Around the perching knife 4 of the central axis circular array of the oar axle, the perching knife 4 includes integrally formed side wall perching knife section 41 and bottom
Wall perching knife section 42, two axially distributed cantilevers 5, the side wall are connected between the side wall perching knife section 41 and the oar axle
Profile of the outer ledge profile respectively with the madial wall of kettle 1 and bottom wall in perching knife section 41 and bottom wall perching knife section 42 is mutual
Matching coincide, and the outer ledge in the side wall perching knife section 41 and bottom wall perching knife section 42 can distinguish kettle described in the spatula of Corresponding matching
The madial wall and bottom wall of body 1, and then 42 points of the linkage side wall perching knife section 41 and bottom wall perching knife section are rotated by the oar axle
Other madial wall and bottom wall to kettle 1 carries out spatula, and the mixing liquid material for preventing viscosity larger is attached on the inwall of kettle 1 not
Dissolving reaction is participated in, dissolving reaction efficiency is reduced；The blade group 3 is arranged on the oar axle axially distributed positioned at two
Cantilever 5 between, the blade group 3 include be arranged on the coaxial and opposite direction of propulsion Axial-flow stirrer leaf 31 on the oar axle with
And runoff blade 32 between two groups of Axial-flow stirrer leaves 31 and parallel with the oar axle is fixedly installed on, two groups of Axial-flow stirrer leaves 31 are in axle
Upward projection is overlapping, and the blade quantity of the runoff blade 32 is identical with the blade quantity of every group of Axial-flow stirrer leaf 31, the footpath
Flow the annular array centered on the central shaft of the oar axle of blade 32 to set, the axial two ends difference of the every runoff blade 32
It is fixed in Axial-flow stirrer leaf 31 described in two groups on mutual corresponding blade, Axial-flow stirrer leaf 31 described in two groups and the runoff blade
32 one cage structures of composition, wherein, the direction of propulsion of Axial-flow stirrer leaf 31 described in described two groups relatively or contrarily, then the runoff oar
Leaf 32 is centrifugation blade or centripetal blade, is axially inhaled the liquid material in the kettle 1 using the blade group 3 in caged
Enter radially to discharge or axially discharge again and radially suck again, so that two in the kettle 1 on formation axial direction are on a large scale
Material disturbance circulation, and then accelerate the mixing of material.
The oar axle includes outer central siphon 6 and the mandrel 7 being coaxially inserted in the outer central siphon 6, the outer central siphon 6 and core
Axle 7 respectively links with the motor 2, and the outer central siphon 6 and mandrel 7 rotation direction on the contrary, the cantilever 5 is connected to institute
State between side wall perching knife section 41 and outer central siphon 6, Axial-flow stirrer leaf 31 described in two groups is fixedly connected with the mandrel 7, it is described outer
The upper end of central siphon 6 coaxially be fixedly installed first bevel gear 61, the upper end of the mandrel 7 coaxially be fixedly installed the second cone
Gear 71, the first bevel gear 61 and the cone of second bevel gear 71 are mutually corresponding, and the first bevel gear 61 and second is bored
Gear 71 is intermeshed with a drive bevel gear 21, and the drive bevel gear 21 links with the motor 2, and then realization makes institute
State the rotation of coaxial anti-oar between perching knife group and blade group 3.
The side wall perching knife section 41 and bottom wall perching knife section 42 are in respectively between the madial wall and bottom wall of corresponding kettle 1
The angle of 30-60 degree, the side wall perching knife section 41 is the centripetal push structure of runoff, and the bottom wall perching knife section 42 is that axle stream is promoted
Structure, and the direction of propulsion of bottom wall perching knife section 42 is upward.
The cantilever 5 includes canned paragraph 51 and folded section 52, and one end of the canned paragraph 51 is vertically fixedly connected on institute
State on outer central siphon 6, and consolidating in two cantilevers 5 connected between each side wall perching knife section 41 and the outer central siphon 6
Determine section 51 to be parallel to each other, one end of the folded section 52 is hinged on the canned paragraph 51 corresponding another with the outer central siphon 6
End, the other end of the folded section 52 is fixedly connected in the side wall perching knife section 41, the folded section 52 and canned paragraph 51 it
Between jointed shaft it is parallel with the outer central siphon 6.Using in the outer rotation process of central siphon 6, pass through the canned paragraph 51 linkage institute
Folded section 52 is stated, and then drives the perching knife 4 to be thrown together in the presence of the runoff lift of centrifugal force and liquid dissolved material
Get rid of to the madial wall and bottom wall of kettle 1 described in the spatula, realize stirring material, the inwall of spatula kettle 1, and utilize
The cantilever 5 that the segmented constituted is hinged by canned paragraph 51 and folded section 52, it is unlikely while connection supports perching knife 4
Too firm support is provided in the madial wall for the spatula kettle 1 of perching knife 4, stress impact, scratch and mill is effectively avoided
The situation of damage.
The one end of hinge on the canned paragraph 51 and the inner side edge in side wall perching knife section 41 in the folded section 52
The corresponding side of edge is fixedly connected with a upset position limit arm 53, and the upset position limit arm 53 is parallel with the folded section 52, and institute
The bearing of trend for stating upset position limit arm 53 is corresponding with side wall perching knife section 41 in opposite direction, and the folded section 52 is relatively described
The rotary expansion of canned paragraph 51 to the canned paragraph 51 it is coaxial when, the upset position limit arm 53 be resisted against on the canned paragraph 51 with
Outside in the corresponding side in inside edge in the side wall perching knife section 41, the side wall perching knife section 41 and bottom wall perching knife section 42
Edge matches identical the spatula corresponding madial wall of kettle 1 and bottom wall respectively；With the side wall on the canned paragraph 51
The corresponding side in inside edge in perching knife section 41 is fixedly installed a spring leaf 54, and the spring leaf 54 is flexibly supported described
It is described between canned paragraph 51 and upset position limit arm 53, and then when the perching knife 4 is not enough with runoff lift in the centrifugal force being subject to
Folded section 52 is flicked to the relatively described rotary folding of canned paragraph 51 by the spring leaf 54；With the side wall on the canned paragraph 51
The corresponding side of outer ledge in perching knife section 41 offers axially extending folding tank 55, the rotatable folding of the folded section 52
Inlay card is stacked to enter in the folding tank 55.
Described in synthesis, the technical solution of the utility model can complete above-mentioned utility model purpose with sufficiently effective, and
Structural principle of the present utility model and the principle of work and power have all sufficiently been verified in embodiment, and can reach expected work(
Effect and purpose, and embodiment of the present utility model can also enter line translation according to these principles, therefore, the utility model includes one
Cut all replacement contents in the range of being previously mentioned in claim.Any institute in present utility model application the scope of the claims
Within the equivalence changes of work, the scope of the claims for all belonging to this case application.
Claims (8)
1. a kind of noble metal for scraping wall stirring-type extracts material dissolving reactor, it includes kettle and agitating device, the stirring
Device includes motor, oar axle, perching knife group and blade group, and the oar axle axial restraint simultaneously relatively turnable is inserted in the kettle
In body, and the oar axle and the kettle are coaxial, and the oar axle and the motor linkage, the perching knife group are enclosed including at least two
Around the perching knife of the central axis circular array of the oar axle, the perching knife includes integrally formed side wall perching knife section and shoveled with bottom wall
Knife section, is connected with two axially distributed cantilevers between side wall perching knife section and the oar axle, the side wall perching knife section and
Outer ledge profile in bottom wall perching knife section be mutually matched respectively with the profile of the kettle madial wall and bottom wall it is identical, it is described
Outer ledge in side wall perching knife section and bottom wall perching knife section can distinguish madial wall and the bottom of kettle described in the spatula of Corresponding matching
Wall.
2. the noble metal as claimed in claim 1 for scraping wall stirring-type extracts material dissolving reactor, it is characterised in that：The blade
Group, which is arranged on the oar axle, to be located between two axially distributed cantilevers, and the blade group includes being arranged on the oar axle
Coaxial and opposite direction of propulsion Axial-flow stirrer leaf and be fixedly installed between two groups of Axial-flow stirrer leaves and parallel with the oar axle
Runoff blade, the projection of two groups of Axial-flow stirrer leaves in the axial direction is overlapping, the blade quantity of the runoff blade and every group of Axial-flow stirrer
The blade quantity of leaf is identical, and runoff blade annular array centered on the central shaft of the oar axle is set, the every footpath
The axial two ends of stream blade are separately fixed in Axial-flow stirrer leaf described in two groups on mutual corresponding blade, Axial-flow stirrer leaf described in two groups
And the runoff blade constitutes a cage structure, wherein, the direction of propulsion of Axial-flow stirrer leaf described in described two groups relatively or contrarily,
Then the runoff blade is centrifugation blade or centripetal blade.
3. the noble metal as claimed in claim 2 for scraping wall stirring-type extracts material dissolving reactor, it is characterised in that：The oar axle
Including outer central siphon and the mandrel being coaxially inserted in the outer central siphon, the outer central siphon respectively joins with mandrel with the motor
It is dynamic, and the outer central siphon and mandrel rotation direction on the contrary, the cantilever is connected between the side wall perching knife section and outer central siphon,
Axial-flow stirrer leaf is fixedly connected with the mandrel described in two groups.
4. the noble metal as claimed in claim 3 for scraping wall stirring-type extracts material dissolving reactor, it is characterised in that：The outer shaft
The upper end of pipe coaxially be fixedly installed first bevel gear, the upper end of the mandrel coaxially be fixedly installed second bevel gear,
The first bevel gear and the cone of second bevel gear are mutually corresponding, and the first bevel gear and second bevel gear are driven with one
Bevel gear is intermeshed, the drive bevel gear and the motor linkage.
5. the noble metal as claimed in claim 4 for scraping wall stirring-type extracts material dissolving reactor, it is characterised in that：The side wall
Perching knife section and bottom wall perching knife section are in the angle of 30-60 degree between the madial wall and bottom wall of corresponding reactor respectively, described
Wall perching knife section in side is the centripetal push structure of runoff, and the bottom wall perching knife section is axle stream push structure, and bottom wall perching knife section
Direction of propulsion it is upward.
6. the noble metal as claimed in claim 5 for scraping wall stirring-type extracts material dissolving reactor, it is characterised in that：The cantilever
Including canned paragraph and folded section, one end of the canned paragraph is vertically fixedly connected on the outer central siphon, and each side
Canned paragraph in two cantilevers connected between wall perching knife section and the outer central siphon is parallel to each other, one end of the folded section
The other end corresponding with the outer central siphon is hinged on the canned paragraph, and the other end of the folded section is fixedly connected on the side
In wall perching knife section, the jointed shaft between the folded section and canned paragraph is parallel with the outer central siphon.
7. the noble metal as claimed in claim 6 for scraping wall stirring-type extracts material dissolving reactor, it is characterised in that：The fixation
One end that folded section described in Duan Shangyu is hinged is provided with two panels connecting cleat, and one end hinge of the folded section is located at two panels connection clip
Between plate, one end between two panels connecting cleat and the inside edge pair in side wall perching knife section are located in the folded section
The side answered is fixedly connected with a upset position limit arm, and the upset position limit arm is parallel with the folded section, and the upset is spacing
The bearing of trend of arm is corresponding with side wall perching knife section in opposite direction, and the relatively described canned paragraph rotary expansion of the folded section is extremely
Coaxial with the canned paragraph, the upset position limit arm is resisted against on the canned paragraph and the inside edge in side wall perching knife section
It is corresponding described that outer ledge in corresponding side, the side wall perching knife section and bottom wall perching knife section matches identical spatula respectively
Kettle madial wall and bottom wall.
8. the noble metal as claimed in claim 7 for scraping wall stirring-type extracts material dissolving reactor, it is characterised in that：The fixation
The corresponding side in inside edge described in Duan Shangyu in side wall perching knife section is fixedly installed a spring leaf, and the spring leaf elasticity is supported
Hold between the canned paragraph and upset position limit arm；It is corresponding with the outer ledge in side wall perching knife section on the canned paragraph
Side offers axially extending folding tank, and the folded section rotatable folding to inlay card enters in the folding tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621406458.8U CN206343176U (en) | 2016-12-21 | 2016-12-21 | The noble metal for scraping wall stirring-type extracts material dissolving reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621406458.8U CN206343176U (en) | 2016-12-21 | 2016-12-21 | The noble metal for scraping wall stirring-type extracts material dissolving reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206343176U true CN206343176U (en) | 2017-07-21 |
Family
ID=59317691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621406458.8U Expired - Fee Related CN206343176U (en) | 2016-12-21 | 2016-12-21 | The noble metal for scraping wall stirring-type extracts material dissolving reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206343176U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107572754A (en) * | 2017-10-18 | 2018-01-12 | 台玻安徽玻璃有限公司 | A kind of device for stirring molten glass |
| CN111774000A (en) * | 2020-07-27 | 2020-10-16 | 山西银光华盛镁业股份有限公司 | Magnesium alloy is smelted and is used two-layer positive and negative agitated vessel of high efficiency |
| CN117443332A (en) * | 2023-12-25 | 2024-01-26 | 常州市国宇环保科技有限公司 | Cleaning device for reaction kettle and working method thereof |
-
2016
- 2016-12-21 CN CN201621406458.8U patent/CN206343176U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107572754A (en) * | 2017-10-18 | 2018-01-12 | 台玻安徽玻璃有限公司 | A kind of device for stirring molten glass |
| CN111774000A (en) * | 2020-07-27 | 2020-10-16 | 山西银光华盛镁业股份有限公司 | Magnesium alloy is smelted and is used two-layer positive and negative agitated vessel of high efficiency |
| CN117443332A (en) * | 2023-12-25 | 2024-01-26 | 常州市国宇环保科技有限公司 | Cleaning device for reaction kettle and working method thereof |
| CN117443332B (en) * | 2023-12-25 | 2024-02-23 | 常州市国宇环保科技有限公司 | Cleaning device for reaction kettle and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170721 Termination date: 20201221 |
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| CF01 | Termination of patent right due to non-payment of annual fee |