CN104999081B - Small-sized and hot-isostatic-pressure furnace device - Google Patents
Small-sized and hot-isostatic-pressure furnace device Download PDFInfo
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- CN104999081B CN104999081B CN201510417026.0A CN201510417026A CN104999081B CN 104999081 B CN104999081 B CN 104999081B CN 201510417026 A CN201510417026 A CN 201510417026A CN 104999081 B CN104999081 B CN 104999081B
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Abstract
The invention discloses a small-sized and hot-isostatic-pressure furnace device and relates to the field of hot-isostatic-pressure equipment. The small-sized and hot-isostatic-pressure furnace device is of a small size and is composed of a temperature control system, a water-cooling system, a sealing system, a heating system and a safety system. The sealing system is manufactured from special alloy so as to improve the use safety. An annular heating wire is wound around the interior of a ceramic cylinder for internal heating, and an aluminum oxide insulating layer, an aluminum oxide insulating cover and the annular water-cooling system are arranged outside the ceramic cylinder, so that heating and cooling are conducted in a cooperative mode, and power and energy consumption are reduced. Inert gas is injected via an air inlet for pressurization, and then powder is directly heated and pressurized for sinter molding under the high temperature of 1200-1500 DEG C and under the high pressure of 20-50 MPa, or formed castings are subjected to hot densifying to be totally densified. The safety and reliability properties of products are absolutely ensured. The small-sized and hot-isostatic-pressure furnace device is efficient and environmentally friendly, saves energy, reduces the production cost of enterprises, improves the production efficiency, and increases the economic income for enterprises.
Description
Technical field：
The present invention relates to hot isostatic apparatus field, and in particular to a kind of small-sized high temperature insostatic pressing (HIP) furnace apparatus.
Background technology：
Hot isostatic pressing technique is a kind of process production techniques for integrating high temperature, high pressure, and heating-up temperature is usually 1000
～2000 DEG C, by with the high-pressure inert gas or nitrogen in hermetic container as transmission medium, operating pressure is up to 200MPa.
Under the collective effect of High Temperature High Pressure, work piece it is each pressurized to equilibrium, therefore the consistency of converted productss is high, uniformity is good, property
Can be excellent, while the technology has the features such as with short production cycle, operation is few, energy consumption is low, spillage of material is little, it is high performance material system
Standby necessary means, at present in the U.S., Japan, Europe all realizes industrialization, leads in ocean, Aeronautics and Astronautics, automobile etc.
Domain apply, therefore, the application of hot isostatic pressing technique and realize hot isostatic pressing technique application equipment research and development and produce prospect
It is all very big.
When high temperature insostatic pressing (HIP) production is carried out to product, sealing property, heating properties to heat isostatic apparatus, heat-insulating property
And cooling performance has its strict requirements, the heat isostatic apparatus of current China can not meet the demand of existing production,
The heat isostatic apparatus of prior art are as sealing is tight, pressurized, heated is uneven, heat-insulating property is not high and cool time
The reason such as long, causes many powder metal articles to occur liquid phase, product molding difficulty or molding during sintering process
Problem afterwards, and the product after molding, when hot densification process is carried out, consistency is not high, occurs hole, shadow inside product
The problem of quality of item, prior art heat isostatic apparatus and method are rung, such as the patent of patent No. CN101992298A is " for heat
The apparatus and method of isostatic pressure vessel " there is provided it is a kind of for using high temperature insostatic pressing (HIP) formed blank improved method and container,
Avoid occurring deformation at high temperature under high pressure, it is ensured that product has predetermined shape, although this mode is avoided that certainly container deformation,
Ensure that product has a reservation shape, but due to container internal pressure it is larger, it is easy to there are the security incidents such as container explosion, and
And required powder is costly, increase the production cost of enterprise.
The patent " heat isostatic apparatus " of patent No. CN101909789A, there is provided a kind of for by hip treatment
The heat isostatic apparatus of article, are cooled down the mode of heat exchanger unit, are used for by using heat exchanger unit and using pressure medium
The space in foundry goods is eliminated, increases the service life and intensity of foundry goods, this mode needs higher temperature and pressure, therefore compares
Relatively consume energy, virtually increased enterprise into producing cost.
The content of the invention：
The present invention provides a kind of small-sized high temperature insostatic pressing (HIP) furnace apparatus, by temperature control system, water-cooling system, sealing system, heating system
System and security system composition, the device is mini-plant, processes sealing system by specific alloy, increased the safety for using
Property；By arranging Ceramic cylinder block, inner wrap annular-heating silk carries out internal heating, outside to arrange aluminium oxide heat-insulation layer, insulation
The outside mode for arranging annular water-cooling system of layer cooperates and heats and lower the temperature, and reduces power and energy consumption, is rushed by air inlet
Enter noble gases pressurization, realize 1200 DEG C of -1500 DEG C of high temperature, under 20MPa-50MPa high pressure, powder is directly heated into pressure sintering
Molding, or by the foundry goods after molding, including aluminium alloy, titanium alloy, high temperature alloy etc., the foundry goods of Shrinkage cavity carries out hot densification
Change is processed, and after hip treatment, foundry goods can reach 100% densification, improve the overall mechanical properties of foundry goods, when long
Between use, the security performance and reliability of absolute guarantee's product efficiently, energy-saving and environmental protection, save the production cost of enterprise, carry
High production efficiency, increases the income of enterprise.
The technical problem to be solved is realized using following technical scheme：
A kind of small-sized high temperature insostatic pressing (HIP) furnace apparatus, by heating system, security system, sealing system, water-cooling system and temperature control system
System composition, the security system are arranged on the outside of heating system, and the security system is arranged on the inside of sealing system, described
Water-cooling system is arranged on the outside of sealing system, and the temperature control system is arranged on the outside side of water-cooling system and heating system
Internal connection, it is characterised in that：
The heating system includes Ceramic cylinder block and heater strip, and the heater strip is looped around inside Ceramic cylinder block, by very
Little power can make rapid and uniform heating inside Ceramic cylinder block, heating-up temperature reach 1200 DEG C of -1500 DEG C of high temperature, energy-conservation, height
Effect, environmental protection.
The security system includes aluminium oxide heat-insulation layer and aluminium oxide insulation cover, and the aluminium oxide heat-insulation layer is arranged on ceramics
The outside of cylinder body, the aluminium oxide insulation cover are arranged on the top entry of Ceramic cylinder block, by aluminium oxide heat-insulation layer and aluminium oxide
Insulation cover, is incubated to Ceramic cylinder block, while to being thermally shielded outside heat-insulation layer, so both having ensured to continue height inside ceramic cylinder
Temperature, avoids heat-insulation layer external temperature too high again, scalds workman, increased the security performance of high temperature insostatic pressing (HIP) stove.
The sealing system includes cavity and is arranged on the cavity at the top of cavity covering, between covering on the cavity and cavity
By flange seal, the flange is bolted, it is to avoid extraneous gas enters interior or internal high temperature high pressure and leaks, and causes ceramics
The powder of cylinder interior or product pressure and temperature are uneven, cause the powder cannot direct sintering or product consistency is not high asks
Topic, so as to further improve the quality of this device powder inside sintering or product；
Small-sized cavity of the cavity for " u "-shaped structure, upper outside side wall arrange ceramic electrode, and the ceramic electrode is worn
Cross cavity wall to be connected with the heater strip in the ceramic cylinder of inside cavity, the heater strip in ceramic cylinder is powered by ceramic electrode
Heating, the ceramic electrode arrange two, wherein the top of a certain ceramic electrode arranges air inlet, the air inlet passes through cavity
Connect with inside cavity, noble gases are poured by air inlet inside cavity is pressurizeed, moulding pressure can reach 20MPa-50MPa
High pressure, due to cavity be " u "-shaped structure, noble gases seal cavity inner loop flow, make seal cavity internal pressure equal
Weighing apparatus, increased Ceramic cylinder block powder inside sintering the uniformity or product consistency, it is to avoid it is powder sintered occur liquid phase cause system
There is hole in product, make powder direct sintering, product reach 100% densification, improve the overall mechanical properties of foundry goods, meanwhile, by
Less in the chamber of cavity, the material selection inside Ceramic cylinder block is more extensive, under same temperature and pressure, it is only necessary to general
Logical material can reach the sintering effect of high material or fine and close effect, more cost-effective.
On the cavity, lid also sets up venthole, stop valve, relief valve and pressure gauge, and the venthole passes through upper lid itself
Connect with inside cavity, the stop valve arranges the top covered on cavity, and connects with venthole, the relief valve is arranged on and cuts
Only the side of valve, is connected with stop valve, and the pressure gauge is arranged on the top of stop valve, and connects with stop valve and venthole,
Venthole is sealed by folding stop valve, it is to avoid extraneous gas enters interior or internal high temperature high pressure and leaks, and causes ceramic cylinder
In vivo the powder or product pressure and temperature in portion are uneven, cause powder cannot the not high problem of direct sintering or product consistency,
So as to further improve the quality of this device powder inside sintering or product, pressure release is carried out by relief valve, it is to avoid inside cavity
The excessive nowhere pressure release of pressure, increased the security performance of cavity, by the pressure inside pressure gauge test chamber, be easy to the palm in time
Hold inside cavity pressure change.
Cover on the cavity and cavity and processed using special alloy steel, the temperature inside Ceramic cylinder block is too high, oxygen
Change aluminum heat-insulation layer and aluminium oxide insulation cover receives high-temperature baking, to outside release heat, the pressure of inside cavity is excessive, surpasss the expectation
Setting, some areas covered on cavity and cavity occur hole, high temperature, high pressure draught is overflowed by hole, it is to avoid to produce
The security incidents such as blast, safety are durable, improve the safety coefficient of this device.
The flange adopts CF16 flanges, the edge of a knife of flange inwardly, to increased sealing effectiveness.
The water-cooling system is annular water-cooling structure, is arranged on the outside of cavity, annular design, effectively equipment can be entered
Row radiating, and simple structure, radiating are uniform.
The water-cooling system bottom also sets up footing, and the effect of cavity of playing a supporting role enhances the stability of cavity
And fastness.
The temperature control system includes attemperating unit and K-type thermocouple, heats inside described K-type thermocouple one end and ceramic cylinder
Silk connection, one end pass through cavity and water-cooling system be connected with attemperating unit, junction by cutting ferrule sealing, by attemperating unit and
K-type thermocouple, is controlled to the temperature in Ceramic cylinder block, it is to avoid too high or too low for temperature in Ceramic cylinder block, affects powder to burn
The consistency of knot or product, so as to improve powder sintered or product consistency quality.
When actually used, powder or product are loaded in Ceramic cylinder block, Ceramic cylinder block cavity is put into into, while covering oxygen
Change aluminum insulation cover, cover on the cavity that closes, and sealed by flange, it is ensured that air-tightness.K-type thermocouple is inserted in cavity
Portion, it is then overall to be put in water-cooling system, K-type thermocouple is connected with the attemperator for setting temperature parameter, first in air inlet
Noble gases are poured in hole, then start water-cooling system, finally start heating system.
Beneficial effects of the present invention are that the present invention provides a kind of small-sized high temperature insostatic pressing (HIP) furnace apparatus, by temperature control system, water-cooled system
System, sealing system, heating system and security system composition, the device are mini-plant, process sealing system by specific alloy,
Increased the safety for using；By arranging Ceramic cylinder block, inner wrap annular-heating silk carries out internal heating, outside to arrange oxygen
Change aluminum heat-insulation layer, the mode of the annular water-cooling system of setting cooperates and heats and lower the temperature outside heat-insulation layer, reduces power and energy
Consumption, pours noble gases pressurization by air inlet, realizes in 1200 DEG C of -1500 DEG C of high temperature, under 20MPa-50MPa high pressure, by powder
End directly heats pressure sintering molding, or by the foundry goods after molding, carries out hot densification process, reaches 100% densification, carries
The overall mechanical properties of high foundry goods, are used for a long time, the security performance and reliability of absolute guarantee's product, efficient, energy-conservation, ring
Protect, save the production cost of enterprise, improve production efficiency, increase the income of enterprise.
Description of the drawings：
Fig. 1 is the structural representation of the present invention.
Specific embodiment：
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
As shown in figure 1, a kind of small-sized high temperature insostatic pressing (HIP) furnace apparatus, by heating system 1, security system 2, sealing system 3, water-cooled
System 4 and temperature control system 5 are constituted, and the security system 2 is arranged on the outside of heating system 1, and the security system 2 is arranged on close
The inside of envelope system 3, the water-cooling system 4 are arranged on the outside of sealing system 3, and the temperature control system 5 is arranged on water-cooling system 4
Outside side and be connected with inside heating system 1, it is characterised in that：
The heating system 1 includes Ceramic cylinder block 11 and heater strip 12, and the heater strip 12 is looped around in Ceramic cylinder block 11
Portion；
The security system 2 includes aluminium oxide heat-insulation layer 21 and aluminium oxide insulation cover 22, and the aluminium oxide heat-insulation layer 21 sets
Put in the outside of Ceramic cylinder block 11, the aluminium oxide insulation cover 22 is arranged on the top entry of Ceramic cylinder block 11；
The sealing system 3 includes cavity 31 and lid 32, the cavity 31 and chamber on the cavity being arranged at the top of cavity 31
Sealed by flange 33 between lid 32 on body, the flange 33 is fixed by bolt 34；
Small-sized cavity of the cavity 31 for " u "-shaped structure, upper outside side wall arrange ceramic electrode 311, the ceramics
Electrode 311 is connected through 31 side wall of cavity with the ceramic cylinder inside cavity 31 11 heater strip 12, by ceramic electrode 311 pairs
11 12 electrified regulation of heater strip in ceramic cylinder, the ceramic electrode 12 arrange two, wherein the top of a certain ceramic electrode 311
Air inlet 312 is set, and the air inlet 312 is connected through cavity 31 with inside cavity 31；
On the cavity, lid 32 also sets up venthole 321, stop valve 322, relief valve 323 and pressure gauge 324, the outlet
Hole 321 itself is connected with inside cavity 31 through lid on cavity 32, and the stop valve 322 arranges the top of lid 32 on cavity, and
Connect with venthole 321, the relief valve 323 is arranged on the side of stop valve 322, connect with stop valve 322, the pressure gauge
323 tops for being arranged on stop valve 322, and 2 are connected with stop valve 322 and venthole 321；
On the cavity 31 and cavity, lid 32 is processed using special alloy steel；
The flange 33 adopts CF16 flanges, and the edge of a knife of flange 33 is inside；
The water-cooling system 4 is annular water-cooling structure, is arranged on the outside of cavity 31；
4 bottom of the water-cooling system also sets up footing 41；
The temperature control system 5 includes attemperating unit 51 and K-type thermocouple 52, described 51 one end of K-type thermocouple and ceramic cylinder
Interior 11 heater strips 12 connect, and one end passes through cavity 31 and water-cooling system 4 to be connected with attemperating unit 51, and junction passes through cutting ferrule 53
Sealing.
The ultimate principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description this
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement is both fallen within scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (5)
1. a kind of small-sized high temperature insostatic pressing (HIP) furnace apparatus, by heating system, security system, sealing system, water-cooling system and temperature control system
Composition, the security system are arranged on the outside of heating system, and the security system is arranged on the inside of sealing system, the water
Cooling system is arranged on the outside of sealing system, the temperature control system be arranged on the outside side of water-cooling system and with heating system in
Portion connects, it is characterised in that：
The heating system includes Ceramic cylinder block and heater strip, and the heater strip is looped around inside Ceramic cylinder block；
The security system includes aluminium oxide heat-insulation layer and aluminium oxide insulation cover, and the aluminium oxide heat-insulation layer is arranged on Ceramic cylinder block
Outside, the aluminium oxide insulation cover is arranged on the top entry of Ceramic cylinder block；
The sealing system includes cavity and is arranged on the cavity at the top of cavity covering, and passes through between covering on the cavity and cavity
Flange seal；
The water-cooling system is annular water-cooling structure, is arranged on the outside of cavity.
2. a kind of small-sized high temperature insostatic pressing (HIP) furnace apparatus according to claim 1, it is characterised in that the cavity is " u "-shaped knot
Structure.
3. a kind of small-sized high temperature insostatic pressing (HIP) furnace apparatus according to claim 1, it is characterised in that cover on the cavity and cavity
Processed using special alloy steel.
4. a kind of small-sized high temperature insostatic pressing (HIP) furnace apparatus according to claim 1, it is characterised in that the flange adopts CF16 methods
Orchid, the edge of a knife of flange are inside.
5. a kind of small-sized high temperature insostatic pressing (HIP) furnace apparatus according to claim 1, it is characterised in that the water-cooling system bottom is also
Footing is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510417026.0A CN104999081B (en) | 2015-07-14 | 2015-07-14 | Small-sized and hot-isostatic-pressure furnace device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510417026.0A CN104999081B (en) | 2015-07-14 | 2015-07-14 | Small-sized and hot-isostatic-pressure furnace device |
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| Publication Number | Publication Date |
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| CN104999081A CN104999081A (en) | 2015-10-28 |
| CN104999081B true CN104999081B (en) | 2017-04-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3481628A1 (en) * | 2016-07-08 | 2019-05-15 | Rajendra Persaud | Nuclearized hot isostatic press |
| CN108746607A (en) * | 2018-07-05 | 2018-11-06 | 江苏普隆磁电有限公司 | A kind of isostatic compaction device preparing magnet for powder metallurgy process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062795C (en) * | 1994-06-15 | 2001-03-07 | 冶金工业部钢铁研究总院 | Sintering heat isostatic device and cooling method thereof |
| CN1127685A (en) * | 1995-11-16 | 1996-07-31 | 冶金工业部钢铁研究总院 | Ultra-temp. sintering heat isostatic apparatus |
| SE521206C2 (en) * | 2002-02-20 | 2003-10-14 | Flow Holdings Sagl | Method of cooling an oven chamber for hot isostatic pressing and a device therefor |
| EP2222428B1 (en) * | 2007-12-14 | 2016-11-16 | Quintus Technologies AB | Hot isostatic pressing arrangement |
| JP5615019B2 (en) * | 2009-11-20 | 2014-10-29 | 株式会社神戸製鋼所 | Hot isostatic press |
| JP5894967B2 (en) * | 2013-05-28 | 2016-03-30 | 株式会社神戸製鋼所 | Hot isostatic press |
| CN204818066U (en) * | 2015-07-14 | 2015-12-02 | 合肥科晶材料技术有限公司 | Small -size hot isostatic pressing stove device |
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Inventor after: Zhu Genxiang Inventor after: Zhu Moya Inventor after: Fang Hui Inventor after: Jiang Xiaoping Inventor before: Fang Hui Inventor before: Jiang Xiaoping Inventor before: Zhu Genxiang Inventor before: Zhu Moya |
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