CN215905868U - Electric pulse processing device for dissolution-type perovskite powder - Google Patents
Electric pulse processing device for dissolution-type perovskite powder Download PDFInfo
- Publication number
- CN215905868U CN215905868U CN202122321068.8U CN202122321068U CN215905868U CN 215905868 U CN215905868 U CN 215905868U CN 202122321068 U CN202122321068 U CN 202122321068U CN 215905868 U CN215905868 U CN 215905868U
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- electric pulse
- pressing block
- block
- perovskite powder
- conductive pressing
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- 239000000843 powder Substances 0.000 title claims abstract description 53
- 239000000919 ceramic Substances 0.000 claims abstract description 35
- 238000004090 dissolution Methods 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 31
- 229910052802 copper Inorganic materials 0.000 claims description 31
- 239000010949 copper Substances 0.000 claims description 31
- 210000004907 gland Anatomy 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 238000002386 leaching Methods 0.000 claims 1
- 238000003825 pressing Methods 0.000 abstract description 54
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 229910002370 SrTiO3 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010411 electrocatalyst Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005036 potential barrier Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Disintegrating Or Milling (AREA)
Abstract
An electric pulse processing device for dissolution type perovskite powder comprises two conductive pressing blocks, a ceramic pipe sleeve, an insulating washer, two electrodes and an electric pulse generating device, wherein the two conductive pressing blocks are fixedly connected, an upper conductive pressing block is fixedly connected with a lower conductive pressing block, the upper conductive pressing block consists of a pressing cover and a cylindrical boss which are integrally formed, and a circular groove is formed in the center of the lower conductive pressing block; the two electrodes are respectively arranged at two ends of the conductive pressing block; the ceramic pipe sleeve is sleeved on the cylindrical boss of the upper conductive pressing block and is inserted into the groove of the lower conductive pressing block; a gap is formed between the lower surface of the cylindrical boss of the upper conductive pressing block and the upper surface of the groove of the lower conductive pressing block and is used for containing perovskite powder; the two current output ends of the electric pulse generating device are respectively connected with the two electrodes through leads; and the insulating gasket is arranged between the two conductive pressing blocks. The advantages are that: simple structure, the powder is sealed effectual, and no powder flows out among the pulse processing process, and pulse effect is good.
Description
Technical Field
The present invention relates to an electric pulse treatment apparatus for dissolution type perovskite powder.
Background
With the increase of the demand of human beings for energy, the development of clean energy which can be continuously developed is imperative. However, renewable energy sources such as solar energy, wind energy, tidal energy and the like have the problem of energy source intermittency, so that a novel green clean energy source, namely a fuel cell which takes electrocatalysis as a reaction core and can be continuously and stably supplied, has more advantages in the development direction of clean energy sources.
The electrocatalyst of the fuel cell has great influence on the cell performance, ABO3The perovskite oxide has various doping properties and can adjust ABO3Electrocatalytic properties of perovskite-type oxides with SrTiO3ABO as a substrate3Perovskite-type oxides are one of the excellent electrocatalytic materials. The electric pulse device is used for inducing the perovskite particles to be dissolved out, and the method has the characteristics of high efficiency, no pollution, simple and convenient operation and high dissolution efficiency.
The existing electric pulse equipment comprises a ceramic tube and graphite electrodes arranged at two ends of the ceramic tube, wherein after powder is filled in the ceramic tube, the graphite electrodes are installed, the ceramic tube is fixed by a fixing/clamping device, the powder is sealed in a ceramic tube sleeve by the graphite electrodes at the two ends, and the powder is fully contacted with pulse current to carry out pulse treatment. However, since the electrode is made of graphite, the electrode is soft, and the graphite electrode is worn out after the pulse, the sealing performance of the device is poor, the powder is easy to flow out, and the dissolution effect of the perovskite oxide is affected, so that the electrode needs to be replaced frequently.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an electric pulse processing device of dissolution type perovskite powder, which has simple structure, good powder sealing effect, no powder outflow in the pulse processing process and no need of additional device fixing/clamping.
The utility model is realized by the following steps:
an electric pulse processing device for dissolving out perovskite powder, which comprises a ceramic pipe sleeve, two electrodes and an electric pulse generating device, and is characterized in that: the device also includes:
the upper conductive pressing block is fixedly connected with the lower conductive pressing block, the upper conductive pressing block consists of a gland and a cylindrical boss which are integrally formed, and a circular groove is formed in the center of the lower conductive pressing block;
the two electrodes are respectively arranged on the electrode plates at the two ends of the conductive pressing block;
the ceramic pipe sleeve is sleeved on the cylindrical boss of the upper conductive pressing block and is inserted into the groove of the lower conductive pressing block; a gap is formed between the lower surface of the cylindrical boss of the upper conductive pressing block and the upper surface of the groove of the lower conductive pressing block, is used for containing perovskite powder and is an electric pulse action part;
the two current output ends of the electric pulse generating device are respectively connected with the two electrodes through leads and used for providing pulse current to form the pulse current in the perovskite powder;
and the insulating gasket is arranged between the two conductive pressing blocks, so that current only passes through the ceramic pipe sleeve filled with the powder, and the powder is ensured to be fully contacted with the pulse current.
Preferably, the upper conductive pressing block is fixedly connected with the lower conductive pressing block through a bolt.
Preferably, the upper end of the upper conductive pressing block and the lower end of the lower conductive pressing block are respectively provided with a screw hole, an electric connection bolt is installed in the screw hole, and a first nut, an electrode plate and a second nut are sequentially arranged at one end, close to the screw hole, of the electric connection bolt to fix the electrode plate and prevent the power supply from being broken or connected in a virtual mode.
Further preferably, the outer diameter of the ceramic pipe sleeve is matched with the inner diameter of the groove of the lower conductive pressing block; the inner diameter of the ceramic pipe sleeve is matched with the outer diameter of the cylindrical boss of the upper conductive pressing block.
Further preferably, the diameter of the central hole of the insulating washer is the same as that of the groove, so that pulse current can pass through the powder in the ceramic pipe sleeve in the process of electric pulse treatment.
Further preferably, the upper surface of the ceramic pipe sleeve and the upper surface of the insulating washer are on the same horizontal plane.
Further preferably, the conductive pressing block is made of red copper, so that the loss degree is small, the conductivity is high, and the influence on the purity of the powder caused by electrode melting due to high temperature is avoided.
The utility model has the beneficial effects that:
simple structure and convenient operation. The adopted ceramic pipe sleeve has the characteristics of insulation and heat resistance, is placed in the groove of the lower conductive pressing block and is used for containing powder to be treated, and the cylindrical boss of the upper conductive pressing block is inserted into the ceramic pipe sleeve, so that the powder is sealed in the ceramic pipe sleeve, the sealing effect is good, no powder flows out in the pulse treatment process, and no additional device is needed for fixation/clamping. An insulating washer with the same radius as the groove is arranged between the two conductive pressing blocks, so that the pulse current can only form a passage in the ceramic pipe sleeve, and the pulse current is prevented from acting on other parts; after the electric pulse is applied, the pulse current is fully contacted with the powder in the ceramic pipe sleeve through the conductive pressing block, and the electric pulse energy is ensured to completely act on the powder; the electric pulse provides instantaneous high energy for the powder, breaks through the dissolution potential barrier of the powder, forms a large amount of joule heat in the powder, provides electrons for the dissolution of the powder, and the in-situ dissolution of the B site element of the perovskite oxide can be obtained by short-time electric pulse treatment, so that the preparation efficiency of the dissolution type perovskite is improved, and the performance of the perovskite material is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the upper red copper compact of FIG. 1;
FIG. 3 is a schematic structural view of the lower red copper compact of FIG. 1;
fig. 4 is a schematic view of the state of use of the present invention.
In the figure: 1-an electric pulse generating device, 101-a voltage control panel, 102-a frequency control panel,
103-an electric pulse generator, 104-a current output end, 2-an upper red copper pressing block, 201-a boss, 202-a pressing cover, 3-a lower red copper pressing block, 301-a groove, 4-a ceramic pipe sleeve, 5-an insulating gasket, 6-an electrode plate and 7-an electric connection bolt; 8-a first power connection nut, 9-a second power connection nut, 10-perovskite powder and 11-an insulating plate.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and reference numerals.
Examples
As shown in the figure: the electric pulse processing device for dissolving out perovskite powder specifically comprises:
the electric pulse generating device 1 consists of a voltage control panel 101, a frequency control panel 102, a current output end 104 and an electric pulse generator 103; the voltage control panel 101 and the frequency control panel 102 are arranged on the front surface of the shell of the electric pulse generator 103 and are respectively used for setting the voltage and the frequency of electric pulses; the current output terminal 104 is disposed on the electric pulse generator 103, and is used for providing a pulse current to form a pulse current inside the perovskite powder 10.
Two red copper briquetting, through bolt fixed connection's last red copper briquetting 2 and red copper briquetting 3 down, last red copper briquetting 2 comprises integrated into one piece's gland 202 and cylindric boss 201, and the central point of red copper briquetting 3 puts down and is equipped with circular recess 301.
The ceramic pipe sleeve 4 is sleeved on the cylindrical boss 201 of the upper red copper pressing block 2 and is inserted into the groove 301 of the lower red copper pressing block 3; a gap is formed between the lower surface of the cylindrical boss 201 of the upper red copper pressing block 2 and the groove 301 on the upper surface of the lower red copper pressing block 3, is used for containing perovskite powder 10 and is an electric pulse acting part; wherein, the outer diameter of the ceramic pipe sleeve 4 is matched with the inner diameter of the groove 301 of the lower red copper pressing block 3; the inner diameter of the ceramic pipe sleeve 4 is matched with the outer diameter of the cylindrical boss 201 of the upper red copper pressing block 2.
The insulating gasket 5 is arranged between the upper red copper pressing block 2 and the lower red copper pressing block 3, and the upper surface of the ceramic pipe sleeve 4 and the upper surface of the insulating gasket 5 are positioned on the same horizontal plane; the diameter of the central hole of the insulating washer 5 is the same as that of the groove 301, so that current only passes through the ceramic pipe sleeve 4 filled with the perovskite powder 10, and the perovskite powder 10 is ensured to be fully contacted with pulse current.
Two electrode slices 6, have seted up the screw respectively at last red copper briquetting 2 upper end, lower red copper briquetting 3 lower extreme, install in the screw and connect electric bolt 7, connect electric bolt 7 and be equipped with first electricity nut 8, electrode slice 6 and second electricity nut 9 by being close to screw one end in proper order on to fixed electrode slice 6 prevents that the power supply from opening circuit and virtual connecing.
In the using process, the ceramic pipe sleeve 4 is arranged in the groove 301 of the lower red copper pressing block 3, perovskite powder 10 to be subjected to pulse processing is filled in the ceramic pipe sleeve 4, the insulating washer 5 is arranged on the upper surface of the lower red copper pressing block 3, the boss 201 of the upper red copper pressing block 2 is inserted into the ceramic pipe sleeve 4 and is pressed tightly, the upper red copper pressing block 2 and the lower red copper pressing block 3 are fixedly connected through bolts and are placed on the insulating plate 11 to be ready to be connected with an electric pulse generating device, and the perovskite powder 10 is subjected to electric pulse processing. When the electric pulse generating device is connected, a first electric connection nut 8, an electrode plate 6 and a second electric connection nut 9 are respectively and sequentially installed on the electric connection bolts 7 of the upper red copper pressing block 2 and the lower red copper pressing block 3, and the first electric connection nut 8 and the second electric connection nut 9 are screwed down to fix the electrode plate 6; as shown in fig. 4, the red copper compact was horizontally placed on the insulating plate 11, the power supply of the electric pulse generator 1 was turned on, and the voltage and frequency were set by the voltage control panel 101 and the frequency control panel 102 of the electric pulse generator 1, whereby a desired electric pulse current was supplied to the interior of the perovskite powder 10. Because the perovskite powder 10 is arranged in the ceramic pipe sleeve 4, the upper red copper pressing block 2 and the lower red copper pressing block 3 are sealed and fixed through bolts, the sealing effect is good, and no powder flows out in the pulse processing process, no extra device is needed for fixing/clamping the perovskite powder 10 in the electric pulse processing.
The above description is only exemplary of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122321068.8U CN215905868U (en) | 2021-09-24 | 2021-09-24 | Electric pulse processing device for dissolution-type perovskite powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122321068.8U CN215905868U (en) | 2021-09-24 | 2021-09-24 | Electric pulse processing device for dissolution-type perovskite powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215905868U true CN215905868U (en) | 2022-02-25 |
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ID=80310681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122321068.8U Expired - Fee Related CN215905868U (en) | 2021-09-24 | 2021-09-24 | Electric pulse processing device for dissolution-type perovskite powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215905868U (en) |
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2021
- 2021-09-24 CN CN202122321068.8U patent/CN215905868U/en not_active Expired - Fee Related
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Granted publication date: 20220225 |