CN2318230Y - Heat treatment quenching device for armour plate - Google Patents
Heat treatment quenching device for armour plate Download PDFInfo
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- CN2318230Y CN2318230Y CN 97230026 CN97230026U CN2318230Y CN 2318230 Y CN2318230 Y CN 2318230Y CN 97230026 CN97230026 CN 97230026 CN 97230026 U CN97230026 U CN 97230026U CN 2318230 Y CN2318230 Y CN 2318230Y
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- 238000010791 quenching Methods 0.000 title claims abstract description 40
- 230000000171 quenching effect Effects 0.000 title claims abstract description 29
- 238000010438 heat treatment Methods 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000000428 dust Substances 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000010881 fly ash Substances 0.000 claims description 12
- 238000009692 water atomization Methods 0.000 claims description 8
- 230000000630 rising effect Effects 0.000 claims description 5
- 241000973497 Siphonognathus argyrophanes Species 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000008400 supply water Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 229910000734 martensite Inorganic materials 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 238000000889 atomisation Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 23
- 239000010959 steel Substances 0.000 description 23
- 239000003921 oil Substances 0.000 description 8
- 230000008901 benefit Effects 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 239000010734 process oil Substances 0.000 description 4
- 241001125879 Gobio Species 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000007669 thermal treatment Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Heat Treatment Of Articles (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The utility model relates to a heat treatment quenching device for an armour plate, vertically provided with an armour clothes, and the utility model is composed of an air supply, a water supply, a quenching treatment and a dust removing four parts. Components between the air supply, the water supply, the quenching treatment and the dust removing four parts, such as a blower, a pipeline, an air box, a rectifying tube, a lifting cover, a working table and a material frame and a rotator which are fixed on the working table are connected with each other by flanges, and the bottom of a water tank is provided with a water seal tank. The armour plate heated to a set temperature is put in a treatment room, air or atomization air is used as a medium, the armour plate is cooled quickly, and then the utility model achieves the purpose of obtaining a lath martensite after the armour plate is quenched. The utility model overcomes the defects that the old process has poor oil quality, high cost, etc. The heat treatment quenching device for armour plate has simple process, reasonable design, novel structure, good quenching quality, low cost and no environmental protection, and the qualified rate can reach 100 percents.
Description
The utility model relates to a kind of quenching apparatus of metal heat treatmet, and particularly the main protective material to the flak jackets equipped carries out the quenching heat treatment device to ballistic resistant sheet.
At present, the common thickness of ballistic resistant sheet that China equips the steel flak jackets is 1.6-5.0mm, and width is 50-150mm, and length is 100-150mm.Process of thermal treatment flow process and equipment mainly are that high-temperature heater and oil are formed as hardening liquid.Steel disc obtains acicular martensitic structure after quenching, can improve the intensity of steel.But, this technological process have such problem 1. heat treatment technics at high temperature use oil quenching because ballistic resistant sheet is thinner, deflection is bigger, percent defective is up to 10%-14%, lumber recovery is low; 2. quenchant easily forms high temperature " bubble " and then forms " soft spots " shortcoming with oil on product surface during the product quenching, reduces the product ballistic performance; 3. quenchant easily produces " twin " needle type martensite with oil, and steel brittleness is increased; 4. use oil as quenchant because the evaporation of oil and aging, loss big gauging, expensive big, the cost height; 5. the ballistic resistant sheet that heats in 900-1000 ℃ of dissolved salt is quenched in oil, produces one dense smoke, this sheet is put in the high temperature saline solution again heats simultaneously, is again that black smoke is billowing, but serious environment pollution.
The purpose of this utility model is to avoid the deficiency of above-mentioned prior art existence, a kind of ballistic resistant sheet heat-treatment quenching device is provided, with air or atomizing air is medium, quick Cooling Quenching, can make metallographic structure effectively under hot conditions, be " lath-shaped " martensite by " needle-like " martensitic transformation.
The utility model is achieved in that this device by air feed, supplies water, and quench treatment, and dedusting four parts formation, wherein: air feed partly comprises ventilator and air inlet adjustment door, blast pipe, butterfly valve, bellows, exhaust duct, air ejection airduct, gate.Water supply part comprises water pump, cooling dedusting water nozzle, water atomizing nozzle, rising pipe, water inlet pipe.Quench treatment partly comprises bellows, air rectifying tube, worktable, lifting cover, lift winch.Dust removal part is a fly-ash separator.At first the ballistic resistant sheet of end reason is packed into and put into the high temperature salt bath furnace in the basket and be heated to specified temperature, rapidly charging basket is sent into after the insulation and directly carried out quench treatment on the thermal chamber worktable, this moment, steel disc is cooled off by airflow, and austenite structure moment of steel changes to martensitic stucture.For obtaining the metallographic structure of this steel, the speed of cooling of steel disc must reach that its material autologous tissue changes on, lower limit faces Jie's speed of cooling scope, could all quench uniformly and get angry in the surface of ballistic resistant sheet.
The surface that this device utilizes the high velocity air of air or atomizing air (being the damp atmosphere of moisture droplet) to cool off workpiece rapidly and uniformly reaches the purpose that this steel disc quenches.
Airflow is by the centrifugal fan supply, and the wind that blasts enters square bellows (or rectangle or circle), the bottom water-lute of bellows by intake stack; Top is provided with the air rectifying tube, and it can make the refrigerative high velocity air before the workpiece that arrival is cooled, and forms the even velocity field.This high speed uniform airflow moment is by blowing all surfaces of all steel discs in the brush charging basket, thereby makes ballistic resistant sheet be finished the structural transformation of steel rapidly and uniformly by the cooling cooling, obtains the martensitic stucture of high rigidity.The high-temperature flue gas of getting rid of enters fly-ash separator through exhaust duct, and the fume emission of final cleaningization is to aerial.
The utility model compared with prior art has following advantage and effect thereof.
1. this device is heat-treated owing to charging basket that the quench workpiece is packed into is placed directly on the worktable, enter into the rectifying action of through type rectifying tube or rectifying tube through having several layers of grid-like by bellows when airflow, make the ejection air-flow obtain the uniform acceleration field in the exit, make interior each ballistic resistant sheet cooling (cooling) speed of charging basket consistent.Fundamentally eliminate the uneven yielding shortcoming of old process oil quench cooled, guarantee that the quenching quality reaches 100%.
2, by the attack standard code, attack serviceability rate height, bulletproof effect is good, and is stable, and particularly strong a piece of wood serving as a brake to halt a carriage is better than the ballistic resistant sheet that old process oil is handled;
3. stable performance is even, and the HRC fluctuation is little, generally at the 47-54 degree;
4. novel structure is reasonable in design, makes easily, and is easy to operate, particularly saved the stock oil of a large amount of quenching usefulness, reduces cost, and has remarkable social benefit and economic benefit;
5. deflection is little, has only 2-3%, and old process oil deflection is more than 10-14%;
6, non-environmental-pollution reaches the national environmental protection required standard in the thermal treatment work.
The concrete structure of utility model is provided by following embodiment and accompanying drawing thereof.
Fig. 1 is according to the ballistic resistant sheet heat-treatment quenching device cross-sectional view that the utility model proposes.
Fig. 2 is the cross-sectional view with ballistic resistant sheet heat-treatment quenching device of material frame turner.
Fig. 3 is a material frame turner structural representation
Below in conjunction with details and the working condition of accompanying drawing detailed description according to the concrete device that the utility model proposes.
As shown in Figure 1.This device is made of air feed, water supply, quench treatment and dedusting four parts, comprises paddle fan and air inlet adjustment door 1, blast pipe 2, butterfly valve 3, bellows 4, air rectifying tube 5, worktable 6, lifting cover 8, exhaust duct 9, treatment chamber 10, water atomizing nozzle 12, water pump 13, cooling dedusting water nozzle 14, air ejection airduct 15, fly-ash separator 16, gate 17,19, rising pipe 18,21, water inlet pipe 20, lift winch 22.Described air feed, water supply part are that paddle fan and air inlet adjustment door 1 are connected with blast pipe 2 one ends by flange, and 4 one sides of blast pipe 2 the other ends and bellows are connected with flange.In order to regulate blower fan air output size, an air inlet adjustment door 1 is installed at the place in the ventilator air suction inlet, for realizing full adjustment to air quantity and blast, between blast pipe 2 ends and bellows 4, have cold wind butterfly valve 3, so just can satisfy of the requirement of different treatment part by different wind supply quantities to speed of cooling.Bellows 4 upper faces that are shaped as rectangular parallelepiped shapes such as (or square or cylinders) link to each other with flange with air rectifying tube 5 bottoms, bellows 4 bottoms have a water sealed tank, and fill the water of certain altitude, through type air rectifying tube 5 section forms are square, rectangle or truncated cone type, air rectifying tube 5 tops link to each other with flange with worktable 6 bottoms, and air rectifying tube 5 is for through type or have staggered several grid-likes, can guarantee comprehensive quenching quality of steel disc.Have 4 columns in worktable 6 bottoms, or decide as required, seat is at bellows 4 upper faces.1 air outlet tube mouth place has air ejection airduct 15 and valve 17 at blower fan, and the place has water atomizing nozzle 12 in the blower fan air suction inlet, and two rising pipes 21,18 of water pump 13 link to each other with cooling dedusting water nozzle 14 with water atomizing nozzle 12 by gate 19 respectively.Water inlet pipe 20 ends link to each other with fly-ash separator 16 bottom water tanks, described quench treatment partly is to have lifting cover 8 to be flexible coupling for the lifting slip with fixing exhaust duct 9 on worktable 6, lifting cover 8 is driven by lift winch 22, can rise (opening) and fall (pass), lifting cover 8 covers on worktable 6 tops, constitutes treatment chamber 10.When filling with substance rises (opening) with lifting cover 8, start blower fan during quenching immediately, buckle (shutting) lifting cover 8, keep the sealing of treatment chamber 10 total systems.Described dust removal part is the vapor pipes welding of the terminal and fly-ash separator 16 of exhaust duct 9, has lower the temperature dedusting water nozzle 14 in the vertical pipeline section at exhaust duct 9 before the terminal and fly-ash separator 16, is used for to flue gas cool-down and dedusting usefulness.Fly-ash separator 16 bottoms are fixed with column.Lift winch 22 is contained in exhaust duct 9 elbows.After the high pressure water of water pump 13 supplies sprays by water atomizing nozzle 12, being atomized into countless droplets immediately mixes with the wind facies of suction, pull and centrifugal action through the impeller fierceness of blower fan high speed rotating again, make the further refinement of water droplet, enter bellows 4, because bellows 4 bottoms have the water of certain altitude, therefore, can reduce ventilation temperature in summer; And make cooling draught keep certain humidity; Also can reduce the deslagging workload, effect such as prevent that molten slag from raising up.Enter and contain wet airflow in the bellows 4 through 5 ejections of air rectifying tube, the workpiece surface that quilt is quenched in the direct cooling material pipe 7.The humidity of air-flow is to regulate the hydraulic pressure height with the gate 19 before the water spouting nozzle, and the control service discharge how much, finishes different cooling.For getting rid of the hot flue gas of treatment chamber 10 rapidly, open the sluices 17, high-speed air flow is sprayed by spout, produces suction, reaches the effect of the hot flue gas of quick eliminating.Take out the ability of drawing and to regulate control by gate 17.
This device builds up and puts into production, its technical performance index:
1. maximum productivity is handled 50kg at every turn;
2. steel plate thickness≤5mm;
3. treatment time≤5 minute;
4. workpiece size: fail to grow up in 400mm, the wide 400mm that is not more than, height is not more than 200mm,
5. heat-eliminating medium: normal temperature air, atomizing air;
6. the type of cooling: high velocity air cooling, atomization air flow cooling and air naturally cooling;
7. temperature head stable and uniform, deviation be not more than ± and 5%.
Embodiment 1: ballistic resistant sheet cycle rotation commutation quenching device
As Fig. 2, shown in Figure 3.In treatment chamber 10, pack into and expect frame turner 11 and material frame 7.Material frame turner 11 can make material frame 7 timing cycles overturn automatically in steel disc quenches airflow, is standard with the steel disc position, it is adjustable to be equivalent to cooling air stream, cycle automatic reverse is guaranteed shell fragment in quench cooled, and any surface point of every slice, thin piece reaches uniformity cooling cooling.
Material frame turner 11 is by expecting frame 7, sprocket wheel 23, bearing support 24,28, transmission material frame folder 25, clamping material frame folder 26, fastening spring 27, push rod 29, foot board 30, transmission group 31 formations.Material frame 7 places transmission material frame folder 25 and clamps in the material frame 26, material frame 7, and transmission material frame folder 25 clamps material frame folder 26 and is supported by bearing support 24,28 respectively, and material frame turner 11 is connected and fixed by bolt and worktable 6.Transmission material frame presss from both sides gudgeon of 25 sides weldering, gudgeon is by bearing support 24 location, a sprocket wheel 23 is fixed in the gudgeon end, when sprocket wheel 23 rotations, drives 25 rotations together of transmission material frame folder, clamp and expect that frame presss from both sides 26 bottoms and has two lath beams, insert transmission material frame and press from both sides in the lath beam hole of 25 bottoms, two folders just can connect together, so clamp can freedom parallel the opening and close of material frame folder 26, open earlier when framing up, shut again during processing.The clamping of material frame 7, tramp with one's feet down by foot board 30, push rod 29 is risen, release clamping and expect frame folder 26 and it is opened, otherwise, after unclamping foot board 30, push rod 29 freely falls, and fastening spring 27 discharges its bounce immediately by former confined state this moment, to clamp material frame folder 26 and push transmission material frame folder 25 to, and make the material frame 7 of packing into clamped.
After material frame 7 clamps, press transmission group 31 action buttons, sprocket wheel 23 begins to rotate to drive expects frame 7 periodical rotation.Overturn once one second, and stand-by time can be regulated arbitrarily as required.The ballistic resistant sheet heat treatment process can realize full-automatic operation by Workpiece Rotating, prevents the steel disc distortion, control steel disc shape degree.
Embodiment 2:
Material frame 7 is through salt bath furnace heating, and insulation will expect after coming out of the stove that frame 7 stands up in worktable 6 both sides, and on the worktable 6 two are auxilliary to be added the butterfly valve checker and open or close in the realization by being connected, and following interruptions convection current is dried, and cooling air is replaced commutate.
Embodiment 3:
To feed basket interior steel disc after primary air quenches, manually swing to, reload in the charging basket, can be placed directly on the worktable 6, and carry out secondary air again and handle whole steel disc tunes.
Embodiment 4:
Air rectifying tube 5 tops link to each other with flange with worktable 6 bottoms, the material frame 7 of ballistic resistant sheet will be filled with, placing worktable 6 bottom sections is a certain optimum position in the truncated cone type air rectifying tube 5, utilizes the method for different flow to make processed steel disc obtain different speed of cooling on each surface in himself height.
Analyze from microcosmic,, take abovementioned technology, can address this problem because steel disc is cold behind inevitable cooling earlier top, process of cooling middle and lower part.Because steel disc is at various height, can obtain different speed of cooling, promptly the bottom is little, and top is big, and integral body can reach the purpose of uniform hardening and control steel disc degree of deformation.
Embodiment 5:
Produce 1 year as a trial, surplus the successfully production ballistic resistant sheet 20 ten thousand, the ballistic resistant sheet back of quenching is indeformable, no waste product, and qualification rate can reach 100%, environmentally safe.The ballistic resistant sheet specification of being handled by this device is: 2.3 * 120 * 150mm, 2.3 * 100 * 150mm, 1.7 * 100 * 120mm, 1.7 * 100 * 100mm.Compare with old process oil quenching, not only attack performance is good, and stable, deflection is little, and throughput is big, high efficiency, and cost is low, and is easy to operate, saves labor, and firmly gets engineering technical personnel and workman and welcomes.Have remarkable social benefit and economic benefit.
Claims (6)
1. ballistic resistant sheet heat-treatment quenching device that is used to equip flak jackets, the utility model is characterised in that: this device is by air feed, supply water, quench treatment and dedusting four parts constitute, comprise paddle fan and air inlet adjustment door (1), blast pipe (2), butterfly valve (3), bellows (4), air rectifying tube (5), worktable (6), lifting cover (8), exhaust duct (9), treatment chamber (10), water atomizing nozzle (12), water pump (13), cooling dedusting water nozzle (14), air ejection airduct (15), fly-ash separator (16), gate (17), (19), rising pipe (18), (21), water inlet pipe (20), lift winch (22) constitutes, described air feed, water supply part is that paddle fan and air inlet adjustment door (1) link to each other with blast pipe (2) one ends by flange, (4) sides of blast pipe (2) the other end and bellows link to each other with flange, has cold wind butterfly valve (3) between blast pipe (2) end and the rectangular parallelepiped bellows (4), bellows (4) upper face links to each other with flange with air rectifying tube (5) bottom of through type, bellows (4) bottom has a water sealed tank, the square air rectifying tube of through type (5) top links to each other with flange with worktable (6) bottom, have 4 Upright post bases at bellows (4) upper face in worktable (6) bottom, have air ejection airduct (15) and gate (17) at blower fan (1) air outlet tube mouth place, the place has water atomizing nozzle (12) in the blower fan air suction inlet, article two, rising pipe (21), (18) link to each other with cooling dedusting water nozzle (14) with water atomizing nozzle (12) by gate (19) respectively, water inlet pipe (20) is terminal to link to each other with fly-ash separator (16) bottom water tank, described quench treatment is to have lifting cover (8) to be flexible coupling for the lifting slip with exhaust duct (9) on worktable (6), drive by lift winch (22), lifting cover (8) covers on worktable (6) top and constitutes treatment chamber (10), described dust removal part is that exhaust duct (9) vapor pipe terminal and fly-ash separator (16) welds, has the dedusting water nozzle (14) of cooling at exhaust duct (9) in the terminal and preceding vertical pipeline section of fly-ash separator (16), fly-ash separator (16) bottom is fixed with column, and lift winch (22) is contained in exhaust duct (9) elbow.
2. by the described ballistic resistant sheet heat-treatment quenching of claim 1 device, it is characterized in that: described have material frame turner (11) and expect frame (7) in treatment chamber (10), material frame turner (11) is fixing by bolt and worktable (6), material frame turner (11) is by sprocket wheel (23), bearing support (24), (28), transmission material frame folder (25), clamp material frame folder (26), fastening spring (27), push rod (29), foot board (30), transmission group (31) constitutes, and material frame (7) places transmission material frame folder (25) and clamps in material frame folder (26) frame.
3. by the described ballistic resistant sheet heat-treatment quenching of claim 1 device, it is characterized in that: the section form of described through type air rectifying tube (5) is rectangle or square or truncated cone type, through type air rectifying tube (5) top links to each other with flange with worktable (6) bottom, and material frame (7) places in worktable (6) the bottom air rectifying tube (5).
4. by the described ballistic resistant sheet heat-treatment quenching of claim 1 device, it is characterized in that: air rectifying tube (5) is shaped as grid-like, has staggered grid.
5. by the described ballistic resistant sheet heat-treatment quenching of claim 1 device, it is characterized in that: described material frame (7) stands up in work package platform (6) both sides, and on the worktable (6) two are auxilliary to be added the butterfly valve conversion and open or close by being connected.
6, by the described ballistic resistant sheet heat-treatment quenching of claim 1 device, it is characterized in that: described bellows (4) are rectangular parallelepiped, shapes such as square or cylinder, and its bottom has water sealed tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97230026 CN2318230Y (en) | 1997-12-04 | 1997-12-04 | Heat treatment quenching device for armour plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97230026 CN2318230Y (en) | 1997-12-04 | 1997-12-04 | Heat treatment quenching device for armour plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2318230Y true CN2318230Y (en) | 1999-05-12 |
Family
ID=33942644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97230026 Expired - Lifetime CN2318230Y (en) | 1997-12-04 | 1997-12-04 | Heat treatment quenching device for armour plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2318230Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838725A (en) * | 2010-05-18 | 2010-09-22 | 昆明理工大学 | Spherical atomization gas quenching box |
| CN103627854A (en) * | 2013-12-12 | 2014-03-12 | 无锡透平叶片有限公司 | Air cooling system for steam turbine vane heat treatment |
| CN108905503A (en) * | 2016-08-19 | 2018-11-30 | 苏州毕诺佳医药技术有限公司 | A kind of cooling intelligent apparatus of medical Hardware fitting |
-
1997
- 1997-12-04 CN CN 97230026 patent/CN2318230Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838725A (en) * | 2010-05-18 | 2010-09-22 | 昆明理工大学 | Spherical atomization gas quenching box |
| CN103627854A (en) * | 2013-12-12 | 2014-03-12 | 无锡透平叶片有限公司 | Air cooling system for steam turbine vane heat treatment |
| CN103627854B (en) * | 2013-12-12 | 2015-10-14 | 无锡透平叶片有限公司 | For the heat treated air cooling system of turbine blade |
| CN108905503A (en) * | 2016-08-19 | 2018-11-30 | 苏州毕诺佳医药技术有限公司 | A kind of cooling intelligent apparatus of medical Hardware fitting |
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| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |