CN101469359A - Vertical spray quenching apparatus and quenching technique - Google Patents
Vertical spray quenching apparatus and quenching technique Download PDFInfo
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- CN101469359A CN101469359A CNA2007103042839A CN200710304283A CN101469359A CN 101469359 A CN101469359 A CN 101469359A CN A2007103042839 A CNA2007103042839 A CN A2007103042839A CN 200710304283 A CN200710304283 A CN 200710304283A CN 101469359 A CN101469359 A CN 101469359A
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Abstract
The invention relates to quenching equipment and a quenching process for applying the quenching equipment, in particular to vertical type spray quenching equipment and a quenching process for quenching a large diameter alloy bar. The equipment comprises a heating chamber, a vapor division board, a spray quenching chamber, a feed-and-discharge control system, and a booster pump, wherein the heating chamber, the vapor division board and the spray quenching chamber are arranged vertically in sequence; and the feed-and-discharge control system transports workpieces to the heating chamber and the spray quenching chamber in sequence for heating and quenching treatment. The quenching process comprises the following steps: placing an alloy workpiece at a proper position in the heating chamber; starting a heating program for heating treatment; opening a water inlet and a water outlet of the quenching chamber after heating treatment; then opening a bottom door of the heating chamber, and opening the vapor division board simultaneously; carrying out the quenching treatment after the alloy workpiece enters the proper position in the quenching chamber through the feed opening of the quenching chamber, and closing the vapor division board at the same time; and closing a water inlet valve after finishing the quenching treatment and taking out the alloy workpiece from the top of the heating chamber.
Description
Technical field
The present invention relates to a kind of quenching apparatus and use the quenching technology of this equipment, in particular to a kind of vertical spray quenching apparatus and quenching technology that is applicable to major diameter alloy bar material quenching usefulness.
Background technology
The big heat-treatable strengthened alloy extruded bars of specification has a wide range of applications at aerospace field.Along with the increase of alloy bar material diameter dimension, alloy material has run into the problem of hardening capacity.The hardening capacity of alloy has significant effects to the performance of alloy, also directly influences aircraft safety problem during one's term of military service.How to improve the hardening capacity of major diameter alloy bar material, thereby satisfy aerospace field becomes present alloy material worker's a care to the demand of alloy material focus.Water impact is to the flow velocity on alloy bar material surface when improving quenching, can smash the vapor film that when quenching, produces at alloy, thereby effectively improve the hardening capacity of alloy material, but also do not have report at present at the pressure spray quench equipment of major diameter alloy bar material.
Summary of the invention
The object of the present invention is to provide a kind of equipment of the spray quench that improves major diameter alloy bar material hardening capacity and use the quenching technology of this equipment.
To achieve these goals, the present invention takes following technical scheme:
A kind of vertical spray quenching apparatus, this equipment comprises following integral part: heating chamber, its top has opening for feed, and the bottom has discharge port; The water vapour division board; The spray quench chamber, its top has opening for feed; Input and output material Controlling System and topping-up pump; Wherein, this heating chamber, water vapour division board and spray quench chamber are arranged vertically successively, and alloy workpiece is delivered to heating chamber to this input and output material Controlling System successively and heat and quench treatment the spray quench chamber.
Above-mentioned vertical spray quenching apparatus of the present invention, wherein this heating chamber can be the annular retort furnace with temperature programmed control device, and its top and bottom can be opened as opening for feed and discharge port.
Above-mentioned vertical spray quenching apparatus of the present invention, wherein this water vapour division board can adopt steel plate to process, and division board is split folding, and there is a circular port that is slightly larger than the input and output material bar centre.
Above-mentioned vertical spray quenching apparatus of the present invention, wherein this spray quench chamber can have water-in and water outlet, and inner loop is established water jet, and the quantity of this water jet is no less than 3, and this water-in one end connects topping-up pump, and the other end connects water jet.
Above-mentioned vertical spray quenching apparatus of the present invention, wherein this spray quench chamber can be for cylindric.
Above-mentioned vertical spray quenching apparatus of the present invention, wherein this input and output material Controlling System can be made up of motor, pulley, wireline, reinforced bar, loading hopper, motor by the pulley hoisting rope drive feed in raw material bar and under loading hopper move up and down.
Above-mentioned vertical spray quenching apparatus of the present invention, the length of the bar that wherein should feed in raw material should guarantee that the upper end of reinforced bar places heating chamber top, thereby avoids the direct heating of wireline when heating or quenching.
Above-mentioned vertical spray quenching apparatus of the present invention, the material of the bar that wherein should feed in raw material can be a high temperature steel.
A kind of heating quenching technology of alloy workpiece, it uses above-mentioned vertical spray quenching apparatus of the present invention, and it may further comprise the steps:
One, alloy workpiece is placed in the loading hopper;
Two, start reinforced motor, alloy workpiece is placed the heating chamber appropriate location by the heating chamber opening for feed;
Three, start the heating schedule of heating chamber, alloy workpiece is carried out heat treated by default technology;
Four, after heating finishes, open quenching chamber water-in, water jet and water outlet; Open the heating chamber bottom door then, open the water vapour division board simultaneously, alloy workpiece enters the quenching chamber appropriate location by the quenching chamber opening for feed and carries out quench treatment, closes the water vapour division board simultaneously;
Five, after quenching is finished, close inlet valve, start reinforced motor, take out alloy workpiece from the heating chamber top;
Six, after moisture drains in the quenching chamber, close the water shoot valve.
The heating quenching technology of above-mentioned alloy workpiece of the present invention, wherein the diameter of this alloy bar material can be 50～500mm.
The heating quenching technology of above-mentioned alloy workpiece of the present invention, wherein the hydraulic pressure of this water-in can be 0.5～1.0MPa.
The invention has the advantages that: simple in equipment, easy handling; Take into full account the accessibility of alloy workpiece turnover heating chamber, shortened large-scale workpiece and entered transfer time of quenching chamber, help reducing disadvantageous effect quenching effect from heating chamber; Adopt the nozzle of annular distribution to carry out spray quench, help workpiece is carried out sufficient quench treatment; Water impact can smash the vapor film that produces at alloy to the flow velocity on alloy bar material surface when improving quenching when quenching, thereby improves major diameter alloy bar material hardening capacity.
Description of drawings
Fig. 1 is a vertical spray quenching apparatus synoptic diagram of the present invention.
Embodiment
The equipment that vertical spray of the present invention quenches mainly comprises following integral part:
Heating chamber: the major diameter bar that needs are quenched heats;
Input and output material Controlling System: realize entering the heating chamber heating and entering the quench zone spray quench of bar;
Water vapour division board: prevent that the steam that produces in the quenching process from entering heating chamber, influence the use and the life-span of heating chamber;
Column spray quench chamber: after the supercharging of extraneous water source, by the water jet of annular distribution, high-velocity jet is to major diameter alloy bar material surface, and the vapor film of workpiece surface can access sufficient fragmentation, realizes quick spray quench;
Other utility appliance: comprise extraneous waterflow boosting pump, water shoot, base etc.
Above-mentioned heating chamber adopts annular retort furnace design.The top of retort furnace and bottom can be opened, thereby realize its top feed, bottom discharge; Retort furnace adopts the temperature programmed control device to carry out temperature control, and the major diameter alloy bar material heats according to preset program in heating chamber.
Above-mentioned input and output material Controlling System is made up of motor, pulley, wireline, reinforced bar, loading hopper.Motor drives into reinforced bar by the pulley hoisting rope and moves up and down, and workpiece is put into loading hopper, by pre-set position, workpiece is delivered to heating chamber and the suitable position of quench zone is heated and quench treatment.
Above-mentioned water vapour division board adopts steel plate to process, and division board is split folding, and there is a circular port that is slightly larger than the input and output material bar centre, after opened the retort furnace bottom, division board was opened simultaneously, and discharging rod place work piece position is by behind the division board, division board closes, and prevents that water vapour from entering heating chamber.
Above-mentioned spray quench outdoor face can adopt stainless steel to make, and inside is the annular distribution water jet at a certain distance.Extraneous water source sprays into quenching chamber by water jet after by the topping-up pump supercharging.
Above-mentioned topping-up pump is used for increasing the speed of current when quenching; Current after water shoot will quench are got rid of, and base is used for fastening.
Specify the present invention below in conjunction with embodiment.
As shown in Figure 1, this equipment comprises following integral part: heating chamber 4, and its top has opening for feed 13, and the bottom has discharge port 12; Heating chamber is provided with water vapour division board 64 times, and this division board 6 can be split folding, and there is a circular port 14 that is slightly larger than the input and output material bar centre; Division board 6 belows are spray quench chamber 7, and its top has opening for feed 15, and the bottom has water outlet 10, and inner loop is established a plurality of water jets 8, extraneous water source by topping-up pump 9 superchargings after water-in 11 sprays into spray quench chamber 7 by water jet 8; The input and output material Controlling System is made up of motor 1, pulley 16, wireline 2, reinforced bar 3, loading hopper 5, the alloy workpiece (not shown) is put into loading hopper 5, motor 1 drives advance to feed in raw material bar 3 and loading hopper 5 by pulley 16 hoisting ropes 2 and moves up and down, and workpiece is delivered in heating chamber 4 and the quenching chamber 7 suitable position heat and quench treatment.
The spray quench technology of embodiment 2 Aluminium Alloy Extruded Bar
At first be that the 2D70 Aluminium Alloy Extruded Bar of 250mm is packed in the loading hopper 5 with diameter, start reinforced motor 1, by wireline 2, utilize reinforced bar 3 that workpiece is placed the correct position of heating chamber 4, the power supply of opening heating chamber 4 carries out the solid solution heat treated.
After solution treatment is finished, open topping-up pump 9 and open the valve of water-in 11 valves and water port 10, open heating chamber bottom door 12 and water vapour division board 6, the loading hopper 5 that workpiece is housed is transferred position, suitable position to quenching chamber 7, and the spray quench that utilizes the water jet 8 of annular distribution to finish workpiece is handled.
After quenching is finished, close topping-up pump 9, open reinforced motor 1, loading hopper 5 is risen to the heating chamber top, from loading hopper 5, take out workpiece, finish large diameter aluminium alloy bar vertical spray quenching process.
Claims (11)
1. a vertical spray quenching apparatus is characterized in that, this equipment comprises following integral part: heating chamber, and its top has opening for feed, and the bottom has discharge port; The water vapour division board; The spray quench chamber, its top has opening for feed; Input and output material Controlling System and topping-up pump; Wherein, this heating chamber, water vapour division board and spray quench chamber are arranged vertically successively, and alloy workpiece is delivered to heating chamber to this input and output material Controlling System successively and heat and quench treatment the spray quench chamber.
2. vertical spray quenching apparatus according to claim 1 is characterized in that, described heating chamber is the annular retort furnace with temperature programmed control device, and its top and bottom can be opened as opening for feed and discharge port.
3. vertical spray quenching apparatus according to claim 1 is characterized in that, described water vapour division board adopts steel plate to process, and division board is split folding, and there is a circular port that is slightly larger than the input and output material bar centre.
4. vertical spray quenching apparatus according to claim 1 is characterized in that, described spray quench chamber has water-in and water outlet, inner loop is established water jet, the quantity of this water jet is no less than 3, and this water-in one end connects topping-up pump, and the other end connects water jet.
5. according to claim 1 or 4 described vertical spray quenching apparatus, it is characterized in that described spray quench chamber is cylindric.
6. vertical spray quenching apparatus according to claim 1, it is characterized in that, described input and output material Controlling System is made up of motor, pulley, wireline, reinforced bar, loading hopper, motor by the pulley hoisting rope drive feed in raw material bar and under loading hopper move up and down.
7. vertical spray quenching apparatus according to claim 6 is characterized in that, the length of described reinforced bar should guarantee that the upper end of reinforced bar places heating chamber top, thereby avoids the direct heating of wireline when heating or quenching.
8. vertical spray quenching apparatus according to claim 6 is characterized in that, the material of described reinforced bar is a high temperature steel.
9. the heating quenching technology of an alloy workpiece is characterized in that, uses each described vertical spray quenching apparatus in the claim 1～8, and it may further comprise the steps:
One, alloy workpiece is placed in the loading hopper;
Two, start reinforced motor, alloy workpiece is placed the heating chamber appropriate location by the heating chamber opening for feed;
Three, start the heating schedule of heating chamber, alloy workpiece is carried out heat treated by default technology;
Four, after heating finishes, open quenching chamber water-in, water jet and water outlet; Open the heating chamber bottom door then, open the water vapour division board simultaneously, alloy workpiece enters the quenching chamber appropriate location by the quenching chamber opening for feed and carries out quench treatment, closes the water vapour division board simultaneously;
Five, after quenching is finished, close inlet valve, start reinforced motor, take out alloy workpiece from the heating chamber top;
Six, after moisture drains in the quenching chamber, close the water shoot valve.
10. the heating quenching technology of alloy workpiece according to claim 9 is characterized in that, the diameter of described alloy bar material is 50～500mm.
11. the heating quenching technology of alloy workpiece according to claim 9 is characterized in that, the hydraulic pressure of described water-in is 0.5～1.0MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103042839A CN101469359B (en) | 2007-12-26 | 2007-12-26 | Vertical spray quenching apparatus and quenching technique |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103042839A CN101469359B (en) | 2007-12-26 | 2007-12-26 | Vertical spray quenching apparatus and quenching technique |
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| CN101469359A true CN101469359A (en) | 2009-07-01 |
| CN101469359B CN101469359B (en) | 2010-11-10 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967539A (en) * | 2010-11-01 | 2011-02-09 | 北京易利工业炉制造有限公司 | Vertical vacuum water quenching furnace |
| CN102848153A (en) * | 2012-09-17 | 2013-01-02 | 南京长江工业炉科技有限公司 | Method for manufacturing steel cylinders |
| CN105506243A (en) * | 2016-01-05 | 2016-04-20 | 中冶东方工程技术有限公司 | Online quenching system and process |
| CN105755271A (en) * | 2014-12-19 | 2016-07-13 | 张家港市东航机械有限公司 | Steel wire heating and quenching apparatus |
| CN113308595A (en) * | 2020-02-27 | 2021-08-27 | 宁波市鄞州风名工业产品设计有限公司 | Roller quenching mechanism |
-
2007
- 2007-12-26 CN CN2007103042839A patent/CN101469359B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967539A (en) * | 2010-11-01 | 2011-02-09 | 北京易利工业炉制造有限公司 | Vertical vacuum water quenching furnace |
| CN102848153A (en) * | 2012-09-17 | 2013-01-02 | 南京长江工业炉科技有限公司 | Method for manufacturing steel cylinders |
| CN105755271A (en) * | 2014-12-19 | 2016-07-13 | 张家港市东航机械有限公司 | Steel wire heating and quenching apparatus |
| CN105755271B (en) * | 2014-12-19 | 2018-04-24 | 张家港市东航机械有限公司 | Steel wire heating quenching unit |
| CN105506243A (en) * | 2016-01-05 | 2016-04-20 | 中冶东方工程技术有限公司 | Online quenching system and process |
| CN105506243B (en) * | 2016-01-05 | 2017-07-25 | 中冶东方工程技术有限公司 | A kind of press quenching system and technique |
| CN113308595A (en) * | 2020-02-27 | 2021-08-27 | 宁波市鄞州风名工业产品设计有限公司 | Roller quenching mechanism |
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| Publication number | Publication date |
|---|---|
| CN101469359B (en) | 2010-11-10 |
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Effective date of registration: 20190628 Address after: 101407 No. 11 Xingke East Street, Yanqi Economic Development Zone, Huairou District, Beijing Patentee after: Research Institute of engineering and Technology Co., Ltd. Address before: 100088, 2, Xinjie street, Beijing Patentee before: General Research Institute for Nonferrous Metals |
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