CN209148589U - A kind of low-temperature electrolytic extraction carbide refrigerator - Google Patents
A kind of low-temperature electrolytic extraction carbide refrigerator Download PDFInfo
- Publication number
- CN209148589U CN209148589U CN201822000974.6U CN201822000974U CN209148589U CN 209148589 U CN209148589 U CN 209148589U CN 201822000974 U CN201822000974 U CN 201822000974U CN 209148589 U CN209148589 U CN 209148589U
- Authority
- CN
- China
- Prior art keywords
- carbide
- low
- refrigerator
- refrigeration
- electrolytic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
A kind of low-temperature electrolytic extraction carbide refrigerator, it include: electrolytic cell, heat exchange slot, refrigeration unit, sealing unit and control unit, wherein: refrigeration unit includes refrigeration groove, cooling wall, water pump and insulating layer, cooling wall is wrapped in outside the upper end of refrigeration groove, cooling wall is connect with water pump, and insulating layer is wrapped in outside the lower end of refrigeration groove；Inside electrolytic cell insertion heat exchange slot, inside heat exchange slot insertion refrigeration groove, electrolytic cell, heat exchange slot and refrigeration groove are close to；Sealing unit includes sealing cover and relief valve；Control unit includes feedback controller and thermometer.Low-temperature electrolytic provided by the utility model extracts carbide refrigerator, it can be in the electrolyte in stability contorting electrolytic cell in -10~5 DEG C of low temperature environment, avoid electrolyte overheated in electrolytic process volatilization and carbide be oxidized, the efficiency of electrolysis improves 40~50%, the consumption of electrolyte reduces 20~30%, and the carbide degree of purity of electrolysis improves 25~35%.
Description
Technical field
The utility model belongs to field of material technology, relates generally to a kind of low-temperature electrolytic extraction carbide refrigerator.
Background technique
In order to improve the mechanical property of steel and be allowed to obtain certain special physics, chemical property, can specially add
Enter alloying elements, however some carbide in conjunction with alloying element can be precipitated during heat treatment, in steel.Carbide
It is one of the important composition phase in steel, type, quantity, size, shape and the distribution of carbide have the performance of steel epochmaking
It influences, therefore particularly important to the detection of carbide composition, quantity and size in steel.
The means of carbide mainly have scanning electron microscope method, transmission beam method and electrolytic extraction method in detection steel at present.First two side
The deficiency of method is mainly to be in the surface observation of steel, when polishing steel sample surface, since carbide is too small, is easy to cause surface carbon
Compound falls off, and influences detection and result.And electrolysis method can be very good such issues that avoid, electrolysis method can be by carbon tiny in steel
Compound electrolytic extraction comes out, and detects for subsequent XRD, can carbide in analysis steel qualitatively and quantitatively.
Electrolytic extraction carbide commonly uses anhydrous alcohols electrolyte, and this kind of electrolyte is volatile when temperature is higher, while carbon
Compound easily reacts with oxygen in the higher environment of temperature.Therefore electrolytic extraction carbide needs low temperature and oxygen-free environment, generally
Carbide electrolysis temperature is no more than 5 DEG C.
Wherein, patent " a method of extract Super304H austenitic stainless steel in micro carbide " is at -5~5 DEG C
It is electrolysed under electrolytic environments, but does not refer to cooling way.Patent " a kind of method of electroextraction and subtle field trash in detection steel "
In order to obtain low-temperature electrolytic environment, then it is electrolysed in refrigerator, this causes electrolysis procedure inconvenient, and equipment is various.Above-mentioned electrolysis
Method all have the shortcomings that one it is common, that is, to obtain none good approach of low temperature environment.
The technical issues of the utility model mainly solves in the presence of background technique passes through liquefied ammonia and manufactures Cryo Fundamentals, control
Electrolyte in electrolytic cell processed is stablized in a low temperature environment less than 5 DEG C, and electrolyte is avoided to overheat in electrolytic process
Volatilization and carbide are oxidized, to obtain purer carbide.
Utility model content
The purpose of the utility model is to overcome above-mentioned the shortcomings of the prior art, provide a kind of low-temperature electrolytic extraction carbonization
Object refrigerator.
A kind of low-temperature electrolytic extraction carbide refrigerator, comprising: electrolytic cell, heat exchange slot, refrigeration unit, sealing unit and control
Unit processed, in which:
The refrigeration unit includes refrigeration groove, cooling wall, water pump and insulating layer, wherein the cooling wall is wrapped in
Outside the upper end of refrigeration groove, the cooling wall is connect with water pump, and the insulating layer is wrapped in outside the lower end of refrigeration groove；
Inside the electrolytic cell insertion heat exchange slot, inside the heat exchange slot insertion refrigeration groove, the electrolytic cell is changed
Heat channel and refrigeration groove are close to；
The sealing unit includes sealing cover and relief valve, and the sealing cover is arranged above electrolytic cell, described
Relief valve is arranged on sealing cover；
The control unit includes feedback controller and thermometer, the feedback controller respectively with water pump and temperature
Meter connection.
The electrolytic cell is cylindrical opening container, and the heat exchange slot is U-shaped closed container, and the refrigeration groove is
U-shaped closed container.
The recess position of the electrolytic cell insertion heat exchange slot, outer wall material is copper sheet.
The recess position of the heat exchange slot insertion refrigeration groove, outer wall material is copper sheet, and internal heat medium is thermal conductive silicon
Rouge.
The refrigeration groove is U-shaped closed container, and outer wall material is copper sheet, and internal cavity is equipped with gas-liquid switching layer, described
Gas-liquid switching layer by refrigeration groove be separated into up and down two parts, upper partial lumen be condensation chamber, lower part lumen loading liquefied ammonia, institute
The gas-liquid switching layer stated is waveform, and wave crest is embedded in one layer of ventilated membrane, the ammonia of rising can be allowed to pass through, and trough is that hollow out is thin
Pipe, can allow the liquefied ammonia of condensation to pass through, and material is low-temperature (low temperature) vessel steel.
The cooling wall is that circular copper pipe is wrapped in outside the upper end of refrigeration groove by way of spiral surrounding, cooling wall
One water inlet and a water outlet are set, and the water inlet of cooling wall upper end and the water outlet of water pump connect, cooling wall lower end
Water outlet is connect with pump intake.
The power of the water pump is controlled by feedback controller.
The sealing cover is provided with the through-hole of thermometer and conducting wire, pads one layer of rubber in through-hole, avoids air from temperature
Gap between meter, conducting wire and sealing cover through-hole enters electrolytic cell.
The relief valve includes venthole, weight steelyard weight and bolt, and venthole is connect with sealing cover, is bolted weight steelyard weight
With sealing cover, weight steelyard weight withstands on venthole upper end, moves up and down along the vertical direction.
The information input interface of the feedback controller is connect with thermometer, and information output interface is connect with water pump.
The thermometer is placed in electrolytic cell.
A kind of application method of low-temperature electrolytic extraction carbide refrigerator, comprising the following steps:
Step 1: injecting electrolyte into electrolytic cell, use thermometer measure electrolyte temperature；
Step 2: starting feedback controller, electrolyte temperature are automatically imported feedback controller；
Step 3: feedback controller exports feedback signal feed pump, water pump is according to signal output phase according to electrolyte temperature
The cooling water inflow answered, cooling water are passed through cooling wall, cool down to cooling wall；
Step 4: the temperature of electrolyte is -10~5 DEG C, places electrolysis sample, covers sealing cover, electrolysis starts；
Step 5: electrolysis 5min unscrews the bolt on sealing cover, and weight steelyard weight moves up the gas that release electrolysis generates, then weighs
Power stone roller decline, blocks venthole；
Step 6: electrolysis terminates, and closes power supply, feedback controller and water pump, takes out electrolytic cell, open under oxygen-free environment
Sealing cover takes out residual electrolytic sample, pours out electrolyte, extracts for subsequent electrolysate.
In the step 3, the heat of ammonia, converts ammonia in the cooling wall exchange refrigeration groove top condensation chamber
For low-temperature liquid ammonia, liquefied ammonia is dripped due to gravity along refrigeration groove inner wall, flows into system by the hollow out tubule of gas-liquid switching layer
The lower lumen of cold trap；The liquefied ammonia of refrigeration groove lower lumen takes away the heat of heat exchange slot, is gasificated into ammonia, and ammonia rises, passes through
The ventilated membrane of gas-liquid switching layer rises to the top condensate tank(trap) of refrigeration groove, by the reciprocal conversion of liquefied ammonia and ammonia, reaches refrigeration
Effect.
In the step 5, the weight steelyard weight is the cap-shaped structure with quality, mating with venthole, it acts as
Weight steelyard weight can be moved up and down with vertical direction, and electrolyte bath is since electrolytic process produces gas, so that the gas in electrolytic cell
When pressure is greater than atmospheric pressure, weight steelyard weight, which is jacked up, to be moved up, and the gas in electrolytic cell is discharged by venthole, then under weight steelyard weight
Drop, blocks gas outlet, and in electrolytic process, weight steelyard weight pumps, to guarantee in electrolytic cell in oxygen-free environment and pressure
It is strong constant.
The utility model has the beneficial effects that
Low-temperature electrolytic provided by the utility model extracts carbide refrigerator, can be with the electrolyte in stability contorting electrolytic cell
In -10~5 DEG C of low temperature environment, avoid electrolyte overheated in electrolytic process volatilization and carbide be oxidized, be electrolysed
Efficiency improve 40~50%, the consumption of electrolyte reduces 20~30%, and the carbide degree of purity of electrolysis improves 25
~35%.
Detailed description of the invention
Fig. 1 is that the low-temperature electrolytic of embodiment 1 extracts carbide refrigerator schematic diagram；
Fig. 2 is that the relief valve of embodiment 1 illustrates；
Fig. 3 is that the gas-liquid switching layer of embodiment 1 illustrates；
1- refrigeration groove, 2- cooling wall, 3- insulating layer, 4- water pump, 5- heat exchange slot, 6- feedback controller, 7- thermometer, 8- gas
Liquid switching layer, 9- water inlet, 10- water outlet, 11- relief valve, 12- sealing cover, 13- ventilated membrane, 14- hollow out tubule, 15- gravity
Stone roller, 16- venthole, 17- bolt, 18- electrolytic cell, 19- power supply.
Specific embodiment
Below with reference to embodiment, the utility model is described in further detail.
Embodiment 1
In conjunction with Fig. 1, a kind of low-temperature electrolytic extraction carbide refrigerator specifically includes that electrolytic cell 18, refrigeration groove 1, cooling wall
2, insulating layer 3, water pump 4, heat exchange slot 5, feedback controller 6, thermometer 7, relief valve 11, sealing cover 12, wherein relief valve 11 wraps
Include weight steelyard weight 15 and bolt 17, specific structure diagram such as Fig. 2, wherein include gas-liquid heat exchange layer 8, gas-liquid heat exchange layer in refrigeration groove 1
Including ventilated membrane 13 and hollow out tubule 14, specific structure diagram such as Fig. 3.
A kind of application method of low-temperature electrolytic extraction carbide refrigerator: sealing cover 12 is opened, is injected into electrolytic cell 18
The electrolyte of 3/4 cell capacity, measuring electrolyte temperature using thermometer 7 is 20 DEG C；Start feedback controller 6, electrolyte
20 DEG C of temperature are automatically imported feedback controller 6；Water pump 4 exports cooling water inflow according to signal, and cooling water is passed through cooling wall 2, to cold
But wall 2 is cooled down；Cooling wall 2 exchanges the heat of ammonia in 1 top condensation chamber of refrigeration groove, and ammonia is made to be converted into low-temperature liquid ammonia,
1 lower lumen of refrigeration groove is flowed into, the liquefied ammonia of 1 lower lumen of refrigeration groove takes away the heat of heat exchange slot 5, is gasificated into ammonia, on ammonia
It is raised to the top condensate tank(trap) of refrigeration groove 1；When the temperature of electrolyte is stablized at 5 DEG C hereinafter, placing the electricity of 10 × 10 × 100mm size
Desampling covers sealing cover 12, opens power supply 19, voltage and current is controlled respectively in 10.3V and 2.2A, electrolysis starts；Electrolysis
5min unscrews the bolt 17 on sealing cover 12, and weight steelyard weight 15 is moved up by jack-up, and the gas in electrolytic cell 18 passes through 16 row of venthole
Out, then weight steelyard weight 15 declines, and blocks gas outlet；After 10h, electrolysis terminates, and takes out electrolytic cell 18, opens under oxygen-free environment close
Envelope 12 takes out residual electrolytic sample, pours out electrolyte, extracts for subsequent electrolysate.
The electrolytic efficiency of low-temperature electrolytic extraction carbide refrigerator provided by the utility model improves 42%, electrolyte
Consumption reduces 28%, and the carbide degree of purity of electrolysis improves 30%, substantially increases the accuracy of experimental result.
Claims (9)
1. a kind of low-temperature electrolytic extracts carbide refrigerator characterized by comprising electrolytic cell, heat exchange slot, refrigeration unit, close
Seal unit and control unit, in which:
The refrigeration unit includes refrigeration groove, cooling wall, water pump and insulating layer, wherein the cooling wall is wrapped in refrigeration
Outside the upper end of slot, the cooling wall is connect with water pump, and the insulating layer is wrapped in outside the lower end of refrigeration groove；
Inside the electrolytic cell insertion heat exchange slot, inside the heat exchange slot insertion refrigeration groove, the electrolytic cell, heat exchange slot
It is close to refrigeration groove；
The sealing unit includes sealing cover and relief valve, and the sealing cover is arranged above electrolytic cell, the pressure release
Valve is arranged on sealing cover；
The control unit includes feedback controller and thermometer, and the feedback controller connects with water pump and thermometer respectively
It connects.
2. low-temperature electrolytic according to claim 1 extracts carbide refrigerator, which is characterized in that the electrolytic cell is circle
Cylindrical openings container, the heat exchange slot are U-shaped closed container, and the refrigeration groove is U-shaped closed container.
3. low-temperature electrolytic according to claim 1 extracts carbide refrigerator, which is characterized in that the electrolytic cell insertion
The recess position of heat exchange slot, outer wall material are copper sheet.
4. low-temperature electrolytic according to claim 1 extracts carbide refrigerator, which is characterized in that the heat exchange slot insertion
The recess position of refrigeration groove, outer wall material are copper sheet, and internal heat medium is heat-conducting silicone grease.
5. low-temperature electrolytic according to claim 1 extracts carbide refrigerator, which is characterized in that the refrigeration groove is U
Type closed container, outer wall material are copper sheet, and internal cavity is equipped with gas-liquid switching layer, and the gas-liquid switching layer separates refrigeration groove
At upper and lower two parts, upper partial lumen is condensation chamber, and lower part lumen loading liquefied ammonia, the gas-liquid switching layer is waveform,
Wave crest is embedded in one layer of ventilated membrane, and trough is hollow out tubule, and material is low-temperature (low temperature) vessel steel.
6. low-temperature electrolytic according to claim 1 extracts carbide refrigerator, which is characterized in that the cooling wall is circle
Shape copper pipe is wrapped in outside the upper end of refrigeration groove by way of spiral surrounding, and a water inlet and a water outlet is arranged in cooling wall
Mouthful, the water inlet of cooling wall upper end and the water outlet of water pump connect, and the water outlet of cooling wall lower end is connect with pump intake.
7. low-temperature electrolytic according to claim 1 extracts carbide refrigerator, which is characterized in that the sealing cover setting
There is the through-hole of thermometer and conducting wire.
8. low-temperature electrolytic according to claim 1 extracts carbide refrigerator, which is characterized in that the relief valve includes
Venthole, weight steelyard weight and bolt, venthole are connect with sealing cover, are bolted weight steelyard weight and sealing cover, and weight steelyard weight withstands on outlet
Hole upper end, moves up and down along the vertical direction.
9. low-temperature electrolytic according to claim 1 extracts carbide refrigerator, which is characterized in that the feedback controller
Information input interface connect with thermometer, information output interface is connect with water pump；The thermometer is placed in electrolytic cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822000974.6U CN209148589U (en) | 2018-11-30 | 2018-11-30 | A kind of low-temperature electrolytic extraction carbide refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822000974.6U CN209148589U (en) | 2018-11-30 | 2018-11-30 | A kind of low-temperature electrolytic extraction carbide refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209148589U true CN209148589U (en) | 2019-07-23 |
Family
ID=67288368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822000974.6U Active CN209148589U (en) | 2018-11-30 | 2018-11-30 | A kind of low-temperature electrolytic extraction carbide refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209148589U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109254064A (en) * | 2018-11-30 | 2019-01-22 | 东北大学 | A kind of low-temperature electrolytic extraction carbide refrigerator and its application method |
-
2018
- 2018-11-30 CN CN201822000974.6U patent/CN209148589U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109254064A (en) * | 2018-11-30 | 2019-01-22 | 东北大学 | A kind of low-temperature electrolytic extraction carbide refrigerator and its application method |
| CN109254064B (en) * | 2018-11-30 | 2023-09-26 | 东北大学 | Low-temperature electrolytic extraction carbide refrigerator and application method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205893279U (en) | Liquid constant temperature fermentation tank's attemperator | |
| CN209148589U (en) | A kind of low-temperature electrolytic extraction carbide refrigerator | |
| CN103682470A (en) | Pressurized formation apparatus for lead acid battery and pressurized formation method | |
| CN107492673B (en) | A kind of the PEM pile and system of cold start-up classification preheating | |
| CN106910928A (en) | A kind of high temperature methanol internal reforming fuel cell | |
| CN204874762U (en) | Electrolyte liquid feeding circulative cooling system | |
| CN103014802B (en) | A kind of ultrasonic microarc oxidation device and ultrasonic microarc oxidation method thereof | |
| CN201724195U (en) | Electric heating steam continuous generating device | |
| CN109254064A (en) | A kind of low-temperature electrolytic extraction carbide refrigerator and its application method | |
| CN201780016U (en) | Corrosion-resistance heat exchanger | |
| CN205199543U (en) | High -efficient electric heating constant temperature water -bath for pharmacy | |
| CN113789530B (en) | Electrolytic cell hydrogen production device and method | |
| CN106757124B (en) | A kind of heat treatment method of solid polymer membrane water electrolyzer CCM membrane electrode | |
| CN211697608U (en) | Circulating water tank for calorimeter | |
| CN206358670U (en) | A kind of jacketed heat insulation electrolyte bucket | |
| CN201545700U (en) | Sulfuric acid distillation apparatus | |
| CN207713854U (en) | Electronic aluminum foil corrosion process by-product Hydrogen collection device | |
| CN105396525B (en) | A kind of closed pyroreaction kettle | |
| CN103706137B (en) | Antimony pentafluoride rectification equipment | |
| CN206022524U (en) | The Proton Exchange Membrane Fuel Cells row's hydrogen system that quickly can be opened at low temperature | |
| CN106229530B (en) | The Proton Exchange Membrane Fuel Cells row's hydrogen system that can quickly open at low temperature | |
| CN206477037U (en) | A kind of gallium electrolysis cooling electrode | |
| CN107419297B (en) | A kind of fused-salt bath producing rare earth metal and alloy | |
| CN205672932U (en) | Laboratory pulping and digesting pot | |
| CN205717984U (en) | Solar water heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |