CN207237890U - The distributed circulation system of ultrasonic wave solid-liquid slurry - Google Patents
The distributed circulation system of ultrasonic wave solid-liquid slurry Download PDFInfo
- Publication number
- CN207237890U CN207237890U CN201721020143.4U CN201721020143U CN207237890U CN 207237890 U CN207237890 U CN 207237890U CN 201721020143 U CN201721020143 U CN 201721020143U CN 207237890 U CN207237890 U CN 207237890U
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- ultrasonic
- kettle
- response kettle
- ultrasonic response
- solid
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Abstract
The utility model provides a kind of distributed circulation system of ultrasonic wave solid-liquid slurry, it includes：Material pot, ultrasonic response kettle group and feed pump installation, the discharge port of material pot connect the feed inlet of ultrasonic response kettle group by the first pipeline, and the discharge port of ultrasonic response kettle group connects the feed inlet of material pot by second pipe；Material pot is internally provided with agitating device, and agitating device is used to be stirred solid-liquid slurry；Ultrasonic interface is provided with ultrasonic response kettle group；Pump installation is fed, is arranged on the circulation path of distributed circulation system, for providing the circulation power of solid-liquid slurry.The ultrasound that the utility model is provided by stirring of the material pot to solid-liquid slurry and ultrasonic response kettle group, the particle refinement of alumina dispersion product can be achieved, the product slurry degree of scatter of dispersion product significantly improves, process cycle is obviously shortened, energy consumption substantially reduces, and the equipment instrument of distributed circulation system greatly reduces.
Description
Technical field
The utility model belongs to chemical field, is related to chemicals ultrasonic wave decentralized system technical field, more particularly to a kind of
The distributed circulation system of ultrasonic wave solid-liquid slurry.
Background technology
Aluminium oxide is referred to as alumina in mining industry, ceramics and material science, can be dissolved in inorganic acid and alkaline solution, several
Not soluble in water and non-polar organic solvent.Existing large scale industry production alumina slurry is pipeline to specified large-scale stirring
In tank, carry out large-scale mixer at a high speed or stirring at low speed is handled, so as to obtain the alumina mixture of relative homogeneous.Through long
After the stirring of time, it is transported in another agitator tank is stirred into piping again.Then it is pipelined to specified
Process station carries out lower step processing.
But existing large stirrer still suffers from problems with：
1st, when large stirrer stirs solid-liquid slurry, it is unable to reach particle refinement and requires.Particle in all slurries is big
It is small to refine even also part agglomeration appearance.
2nd, traditional large stirrer working time is longer, and working effect is low.More importantly slurry degree of scatter is imitated
Fruit is very bad.Directly affect follow-up production technology and final production final product quality.
3rd, the technique also needs to a large amount of spaces, it is necessary to which the work of 2 or more large-scale agitator tank can be completed.
Utility model content
The purpose of this utility model is to propose a kind of distributed circulation system of ultrasonic wave solid-liquid slurry, can be applied to oxidation
In aluminium divergent cyclical equipment, the particle refinement of alumina dispersion product is realized, the product slurry degree of scatter of dispersion product is notable
Improve, process cycle is obviously shortened, and energy consumption substantially reduces, and the equipment instrument of distributed circulation system greatly reduces.
In order to solve the above-mentioned technical problem, the utility model employs following technical proposals：
The utility model proposes a kind of distributed circulation system of ultrasonic wave solid-liquid slurry, it includes：Material pot, ultrasonic wave are anti-
Kettle group and feed pump installation are answered, the discharge port of material pot connects the feed inlet of ultrasonic response kettle group by the first pipeline, surpasses
The discharge port of sound wave reaction kettle group connects the feed inlet of material pot by second pipe；Material pot is internally provided with agitating device,
Agitating device is used to be stirred solid-liquid slurry；Ultrasonic interface is provided with ultrasonic response kettle group；Pump installation is fed, if
Put on the circulation path of distributed circulation system, for providing the circulation power of solid-liquid slurry；Circulation path exists for solid-liquid slurry
Distribution channel between material pot and ultrasonic response kettle group.
Preferably, ultrasonic response kettle group includes the first ultrasonic response kettle and the second ultrasonic response kettle, material pot
Discharge port connects the feed inlet of the first ultrasonic response kettle by the first pipeline, and the discharge port of the first ultrasonic response kettle passes through the
Three pipelines connect the feed inlet of the second ultrasonic response kettle, and the discharge port of the second ultrasonic response kettle passes through second pipe attachment
The feed inlet of batch can.
Preferably, the first ultrasonic response kettle is vertical ultrasonic-wave reaction kettle, and the feed inlet of vertical ultrasonic-wave reaction kettle is set
Put and be arranged in the upper end of vertical ultrasonic-wave reaction kettle, the discharge port of vertical ultrasonic-wave reaction kettle under vertical ultrasonic-wave reaction kettle
End.
Preferably, the second ultrasonic response kettle is horizontal ultrasonic response kettle, the feed inlet of horizontal ultrasonic response kettle and
Discharge port is separately positioned on the left and right ends of horizontal ultrasonic response kettle, the level height of the feed inlet of horizontal ultrasonic response kettle
Less than the level height of the discharge port of horizontal ultrasonic response kettle.
Preferably, three ultrasonic interfaces are symmetrically distributed with the top of the first ultrasonic response kettle.
Preferably, the first coolant intake and the first cooling water outlet mouth are provided with the first ultrasonic response kettle, first is cold
But water inlet is arranged on the lower end of the first ultrasonic response kettle, and the first cooling water outlet mouth is arranged on the upper of the first ultrasonic response kettle
End.
Preferably, the top of the second ultrasonic response kettle is at least provided with two ultrasonic interfaces.
Preferably, the second coolant intake and the second cooling water outlet mouth are provided with the second ultrasonic response kettle, second is cold
But water inlet is arranged on the bottom of the second ultrasonic response kettle, and the second cooling water outlet mouth is arranged on the top of the second ultrasonic response kettle
Portion.
Preferably, visual flowing window is provided with the circulation path of distributed circulation system.
Preferably, the bottom of the first ultrasonic response kettle and/or the second ultrasonic response kettle is provided with discharging hole.
The beneficial effects of the utility model compared with the prior art lie in：The utility model provides a kind of ultrasonic wave solid-liquid
The distributed circulation system of slurry, it includes：Material pot, ultrasonic response kettle group and feed pump installation, the discharge port of material pot
The feed inlet of ultrasonic response kettle group is connected by the first pipeline, the discharge port of ultrasonic response kettle group is connected by second pipe
The feed inlet of material pot；Material pot is internally provided with agitating device, and agitating device is used to be stirred solid-liquid slurry；Ultrasonic wave
Ultrasonic interface is provided with reaction kettle group；Pump installation is fed, is arranged on the circulation path of distributed circulation system, for providing
The circulation power of solid-liquid slurry.The utility model utilizes material pot pair by the structure of material pot combination ultrasonic response kettle group
The ultrasound that the stirring of solid-liquid slurry and ultrasonic response kettle group provide is, it can be achieved that the particle refinement of alumina dispersion product, disperses
The product slurry degree of scatter of product significantly improves, and process cycle is obviously shortened, and energy consumption substantially reduces, and distributed circulation system
Equipment instrument greatly reduces.
Brief description of the drawings
The three-dimensional knot of the distributed circulation system for the ultrasonic wave solid-liquid slurry that Fig. 1 is provided by an embodiment of the utility model
Structure exemplary plot；
The front of the distributed circulation system for the ultrasonic wave solid-liquid slurry that Fig. 2 is provided by another embodiment of the utility model
Topology example figure；
The vertical view of the distributed circulation system for the ultrasonic wave solid-liquid slurry that Fig. 3 is provided by another embodiment of the utility model
Topology example figure；
The topology example figure for the vertical ultrasonic-wave reaction kettle that Fig. 4 is provided by another embodiment of the utility model；
Knot at the ultrasonic interface for the vertical ultrasonic-wave reaction kettle that Fig. 5 is provided by another embodiment of the utility model
Structure exemplary plot；
The topology example figure for the horizontal ultrasonic response kettle that Fig. 6 is provided by another embodiment of the utility model.
Embodiment
Below in conjunction with attached drawing, and other technical characteristic above-mentioned to the utility model and advantage carry out clearly and completely
Description, it is clear that described embodiment is only the section Example of the utility model, rather than whole embodiments.
One embodiment of the utility model provides a kind of distributed circulation system of ultrasonic wave solid-liquid slurry, it includes：Thing
Batch can, ultrasonic response kettle group and feed pump installation, the discharge port of material pot connect ultrasonic response kettle by the first pipeline
The feed inlet of group, the discharge port of ultrasonic response kettle group connect the feed inlet of material pot by second pipe；Set inside material pot
Agitating device is equipped with, agitating device is used to be stirred solid-liquid slurry；Ultrasonic interface is provided with ultrasonic response kettle group；
Pump installation is fed, is arranged on the circulation path of distributed circulation system, for providing the circulation power of solid-liquid slurry.By at least
Solid-liquid slurry stirring ultrasonic circulation once, can obtain particle refinement and finely dispersed solid-liquid slurry.Circulation path is solid-liquid
Distribution channel of the slurry between material pot and ultrasonic response kettle group.Needed according to technique, can be anti-through material pot and ultrasonic wave
Answer kettle group to carry out single cycle, i.e., after material pot stirring, pump solid-liquid slurry to ultrasonic response kettle group through being fed pump installation,
It can terminate divergent cyclical after sonicated.Likewise, also can repeatedly it be circulated through material pot and ultrasonic response kettle group, i.e.,
After material pot stirring, solid-liquid slurry is pumped to ultrasonic response kettle group through being fed pump installation, can be by solid-liquid after sonicated
Slurry is pumped into material pot, and carries out next cycle.
By ul-trasonic irradiation in ultrasonic response kettle group, a large amount of minute bubbles are produced in solid-liquid slurry.In solid-liquid slurry
There is tension and forms negative pressure in part, and the reduction of pressure makes the gas supersaturation for being dissolved in liquid originally, and is escaped from liquid, into
For minute bubbles.In addition, powerful tension acts on liquid " tearing " into a cavity, i.e. generation ultrasonic cavitation.Ultrasonic air
Change effect makes the broken refinement of pulp particle and rapid opening reunion group.And by the broken refinement stable dispersion of slurry, reach equal
Matter acts on.
In another embodiment of the utility model, ultrasonic response kettle group includes the first ultrasonic response kettle and the second surpasses
Sound wave reaction kettle, the discharge port of material pot connect the feed inlet of the first ultrasonic response kettle, the first ultrasonic wave by the first pipeline
The discharge port of reaction kettle connects the feed inlet of the second ultrasonic response kettle, the discharging of the second ultrasonic response kettle by the 3rd pipeline
Mouth connects the feed inlet of material pot by second pipe.By being ultrasonically treated twice, it can effectively accelerate the refinement of particle, and improve
The degree of scatter of slurry.
In another embodiment of the utility model, the first ultrasonic response kettle is vertical ultrasonic-wave reaction kettle, vertical super
The feed inlet of sound wave reaction kettle is arranged on the upper end of vertical ultrasonic-wave reaction kettle, and the discharge port of vertical ultrasonic-wave reaction kettle is arranged on
The lower end of vertical ultrasonic-wave reaction kettle.The structure of vertical ultrasonic-wave reaction kettle upper entering and lower leaving can be such that the slurry of bulk is more easy into the excess of imports
In sound wave reaction kettle, and save the space hold of whole distributed circulation system.Preferably, vertical ultrasonic-wave reaction kettle is capacity
For the small-scale ultrasonic reaction kettle of 50L-1000L, small-scale ultrasonic reaction kettle is worked in by high strength supersonic wave energy, can
Open rapidly, smash slurry reunion group, and bulky grain present in particle is refined broken.
In another embodiment of the utility model, the second ultrasonic response kettle is horizontal ultrasonic response kettle, horizontal super
The inlet port and outlet port of sound wave reaction kettle are separately positioned on the left and right ends of horizontal ultrasonic response kettle, horizontal ultrasonic response
The level height of kettle feed inlet is less than the level height of horizontal ultrasonic response kettle discharge port.Slurries can in a manner of low in and high out
Effectively to allow liquid to be full of tank body, so that beneficial to the effect of ultrasonic wave, reach the effect of homogeneous.Horizontal ultrasonic response kettle is to hold
The ultrasonic medium reaction kettle for 1000L-10000L is measured, is reacted by relatively weak ul-trasonic irradiation in ultrasonic medium
Kettle, plays and allows broken, fine particle caused by small-scale ultrasonic reaction kettle to be uniformly distributed, and the work with homogenizing temperature
With.It is finely dispersed at the same time it can also by the broken water chestnut of front-end-of-line optimize.
In another embodiment of the utility model, three ultrasonic waves are symmetrically distributed with the top of the first ultrasonic response kettle
Interface.Symmetrical can be that rotational symmetry or axial symmetry, symmetrical three ultrasonic interfaces can make the first ultrasonic wave anti-
Answer the slurry in kettle to obtain uniform ultrasonic cavitation effect, accelerate micronized particles.
In another embodiment of the utility model, the first coolant intake and are provided with the first ultrasonic response kettle
One cooling water outlet mouth, the first coolant intake are arranged on the lower end of the first ultrasonic response kettle, and the first cooling water outlet mouth is arranged on
The upper end of first ultrasonic response kettle.With reference to the structure of vertical ultrasonic reaction kettle, cooling water is under the first ultrasonic response kettle
End flow to the upper end of the first ultrasonic response kettle, can effectively be cooled down to the first ultrasonic response kettle, ensures the first ultrasound
The normal work of ripple reaction kettle, so as not to temperature it is excessive and along bad device.
In another embodiment of the utility model, the top of the second ultrasonic response kettle is at least provided with two ultrasonic waves
Interface.Multiple ultrasonic interfaces are set in horizontal ultrasonic response kettle top portion, uniform ultrasonic cavitation effect can be obtained, accelerated
Micronized particles.
In another embodiment of the utility model, the second coolant intake and are provided with the second ultrasonic response kettle
Two cooling water outlet mouths, the second coolant intake are arranged on the bottom of the second ultrasonic response kettle, and the second cooling water outlet mouth is arranged on
The top of second ultrasonic response kettle.With reference to the structure of horizontal ultrasonic reaction kettle, cooling water is from a left side for the second ultrasonic response kettle
End flow to the right end of the second ultrasonic response kettle, can effectively be cooled down to the second ultrasonic response kettle, ensures the second ultrasound
The normal work of ripple reaction kettle, so as not to temperature it is excessive and along bad device.Likewise, cooling water also can be from the second ultrasonic response kettle
Right end flow to the left end of the second ultrasonic response kettle.
In another embodiment of the utility model, visual flowing window is provided with the circulation path of distributed circulation system.
By visually flowing window, the slurry condition in observable circulation path.
In another embodiment of the utility model, the bottom of the first ultrasonic response kettle and/or the second ultrasonic response kettle
Portion is provided with discharging hole.After divergent cyclical works, discharging hole is used to be emptied the liquid that can not be discharged in pipeline
Processing.
As shown in Figs. 1-3, a kind of distributed circulation system of the ultrasonic wave solid-liquid slurry proposed by the utility model, it is wrapped
Include：Material pot 100, ultrasonic response kettle group and feed pump installation 212.Wherein, ultrasonic response kettle group includes the first ultrasound
210 and second ultrasonic response kettle 220 of ripple reaction kettle.The discharge port of material pot 100 connects the first ultrasonic wave by the first pipeline
The feed inlet of reaction kettle 210, the discharge port of the first ultrasonic response kettle 210 connect the second ultrasonic response kettle by the 3rd pipeline
220 feed inlet, the discharge port of the second ultrasonic response kettle 220 connect the feed inlet of material pot 100 by second pipe.Material
The top of tank 100 or sidepiece may be provided with the feed inlet of addition solid-liquid slurry material.Material pot is internally provided with agitating device, stirs
Device is mixed to be used to be stirred solid-liquid slurry.Ultrasonic interface is provided with ultrasonic response kettle group, ultrasonic interface is used for
Connect ultrasonic wave generating means.Feed pump installation 212 is arranged on the circulation path of distributed circulation system, is fed pump installation 212
For providing the circulation power of solid-liquid slurry, make the solid-liquid slurry in distributed circulation system anti-in material pot 100, the first ultrasonic wave
Answer and circulate between 210 and second ultrasonic response kettle of kettle, 220 three.In addition, electrical power control cabinet 300 is used for divergent cyclical
System is powered control.
In another embodiment of the utility model, distributed circulation system further includes flowmeter 400, and flowmeter 400 is used for
Show the flow or flow velocity of solid-liquid slurry in the circulation path of distributed circulation system.
As shown in figure 3, in another embodiment of the utility model, the first ultrasonic response kettle reacts for vertical ultrasonic-wave
Kettle, the feed inlet 213 of vertical ultrasonic-wave reaction kettle are arranged on the upper end of vertical ultrasonic-wave reaction kettle, vertical ultrasonic-wave reaction kettle
Discharge port 214 is arranged on the lower end of vertical ultrasonic-wave reaction kettle.Valve is provided with the discharge port 218 of vertical ultrasonic-wave reaction kettle
218。
In another embodiment of the utility model, the second ultrasonic response kettle is horizontal ultrasonic response kettle, horizontal super
The feed inlet 221 of sound wave reaction kettle is arranged on the lower-left end of horizontal ultrasonic response kettle, the discharge port of horizontal ultrasonic response kettle
222 are arranged on the upper right side of horizontal ultrasonic response kettle.Valve 227 is provided with feed inlet 221, is provided with discharge port 222
Valve 228.
In another embodiment of the utility model, the rotary-top of the first ultrasonic response kettle is symmetrically distributed with three and surpasses
Acoustic interface.
In another embodiment of the utility model, the first coolant intake 216 is provided with the first ultrasonic response kettle
With the first cooling water outlet mouth 217, the first coolant intake 216 is arranged on the lower end of the first ultrasonic response kettle, and first cools down out
The mouth of a river 217 is arranged on the upper end of the first ultrasonic response kettle.
In another embodiment of the utility model, the top of the second ultrasonic response kettle is at least provided with two ultrasonic waves
Interface 225.
In another embodiment of the utility model, the second coolant intake 223 is provided with the second ultrasonic response kettle
With the second cooling water outlet mouth 224, the second coolant intake 223 is arranged on the bottom of the second ultrasonic response kettle, and second cools down out
The mouth of a river 224 is arranged on the top of the second ultrasonic response kettle.Valve 229 is provided with second cooling water outlet mouth 224.
In another embodiment of the utility model, visual flowing window is provided with the circulation path of distributed circulation system
211。
In another embodiment of the utility model, the bottom of the first ultrasonic response kettle and/or the second ultrasonic response kettle
Portion is provided with discharging hole.Wherein, as shown in fig. 6, the bottom of the second ultrasonic response kettle is provided with discharging hole 226.
Particular embodiments described above, has carried out into one the purpose of this utility model, technical solution and beneficial effect
The detailed description of step, it will be appreciated that the foregoing is merely specific embodiment of the utility model, is not used to limit this reality
With new protection domain.Particularly point out, to those skilled in the art, it is all the spirit and principles of the utility model it
Any modification, equivalent substitution, improvement and etc. that are interior, being done, should be included within the scope of protection of this utility model.
Claims (10)
- A kind of 1. distributed circulation system of ultrasonic wave solid-liquid slurry, it is characterised in that including：Material pot, ultrasonic response kettle group And feed pump installation, the discharge port of the material pot connect the feed inlet of the ultrasonic response kettle group by the first pipeline, The discharge port of the ultrasonic response kettle group connects the feed inlet of the material pot by second pipe；Set inside the material pot Agitating device is equipped with, the agitating device is used to be stirred solid-liquid slurry；It is provided with the ultrasonic response kettle group super Acoustic interface；The feed pump installation, is arranged on the circulation path of the distributed circulation system, for providing solid-liquid slurry Circulation power；The circulation path is distribution channel of the solid-liquid slurry between the material pot and ultrasonic response kettle group.
- 2. the distributed circulation system of ultrasonic wave solid-liquid slurry according to claim 1, it is characterised in that the ultrasonic wave is anti- Kettle group is answered to include the first ultrasonic response kettle and the second ultrasonic response kettle, the discharge port of the material pot is connected by the first pipeline The feed inlet of the first ultrasonic response kettle is connect, the discharge port of the first ultrasonic response kettle connects institute by the 3rd pipeline The feed inlet of the second ultrasonic response kettle is stated, the discharge port of the second ultrasonic response kettle connects the thing by second pipe The feed inlet of batch can.
- 3. the distributed circulation system of ultrasonic wave solid-liquid slurry according to claim 2, it is characterised in that first ultrasound Ripple reaction kettle is vertical ultrasonic-wave reaction kettle, and the feed inlet of the vertical ultrasonic-wave reaction kettle is arranged on vertical ultrasonic-wave reaction kettle Upper end, the discharge port of the vertical ultrasonic-wave reaction kettle is arranged on the lower end of vertical ultrasonic-wave reaction kettle.
- 4. the distributed circulation system of ultrasonic wave solid-liquid slurry according to claim 2, it is characterised in that second ultrasound Ripple reaction kettle is horizontal ultrasonic response kettle, and the inlet port and outlet port of the horizontal ultrasonic response kettle are separately positioned on horizontal The left and right ends of ultrasonic response kettle, the level height of the feed inlet of the horizontal ultrasonic response kettle are anti-less than horizontal ultrasonic wave Answer the level height of the discharge port of kettle.
- 5. the distributed circulation system of ultrasonic wave solid-liquid slurry according to claim 3, it is characterised in that first ultrasound Three ultrasonic interfaces are symmetrically distributed with the top of ripple reaction kettle.
- 6. the distributed circulation system of ultrasonic wave solid-liquid slurry according to claim 3, it is characterised in that first ultrasound The first coolant intake and the first cooling water outlet mouth are provided with ripple reaction kettle, first coolant intake, which is arranged on, the first to be surpassed The lower end of sound wave reaction kettle, the first cooling water outlet mouth are arranged on the upper end of the first ultrasonic response kettle.
- 7. the distributed circulation system of ultrasonic wave solid-liquid slurry according to claim 4, it is characterised in that second ultrasound The top of ripple reaction kettle is at least provided with two ultrasonic interfaces.
- 8. the distributed circulation system of ultrasonic wave solid-liquid slurry according to claim 4, it is characterised in that second ultrasound The second coolant intake and the second cooling water outlet mouth are provided with ripple reaction kettle, second coolant intake, which is arranged on, the second to be surpassed The bottom of sound wave reaction kettle, the second cooling water outlet mouth are arranged on the top of the second ultrasonic response kettle.
- 9. according to the distributed circulation system of any ultrasonic wave solid-liquid slurries of claim 1-8, it is characterised in that described point Dissipate and visual flowing window is provided with the circulation path of the circulatory system.
- 10. according to the distributed circulation system of any ultrasonic wave solid-liquid slurries of claim 2-8, it is characterised in that described The bottom of first ultrasonic response kettle and/or the second ultrasonic response kettle is provided with discharging hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721020143.4U CN207237890U (en) | 2017-08-15 | 2017-08-15 | The distributed circulation system of ultrasonic wave solid-liquid slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721020143.4U CN207237890U (en) | 2017-08-15 | 2017-08-15 | The distributed circulation system of ultrasonic wave solid-liquid slurry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207237890U true CN207237890U (en) | 2018-04-17 |
Family
ID=61880960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721020143.4U Expired - Fee Related CN207237890U (en) | 2017-08-15 | 2017-08-15 | The distributed circulation system of ultrasonic wave solid-liquid slurry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207237890U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112859676A (en) * | 2021-01-05 | 2021-05-28 | 杭州精浩机械有限公司 | Material treatment controlgear based on ultrasonic wave |
| WO2024011625A1 (en) * | 2022-07-15 | 2024-01-18 | 宁德时代新能源科技股份有限公司 | Continuous reaction system, manganese iron oxalate precursor, lithium manganese iron phosphate, preparation method, and secondary battery |
-
2017
- 2017-08-15 CN CN201721020143.4U patent/CN207237890U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112859676A (en) * | 2021-01-05 | 2021-05-28 | 杭州精浩机械有限公司 | Material treatment controlgear based on ultrasonic wave |
| CN112859676B (en) * | 2021-01-05 | 2023-12-26 | 杭州精浩机械有限公司 | Material processing control equipment based on ultrasonic wave |
| WO2024011625A1 (en) * | 2022-07-15 | 2024-01-18 | 宁德时代新能源科技股份有限公司 | Continuous reaction system, manganese iron oxalate precursor, lithium manganese iron phosphate, preparation method, and secondary battery |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 Termination date: 20180815 |