CN103949618B - Foundry goods recuperation of heat temperature control chill and recuperation of heat cooling means - Google Patents
Foundry goods recuperation of heat temperature control chill and recuperation of heat cooling means Download PDFInfo
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- CN103949618B CN103949618B CN201410191439.7A CN201410191439A CN103949618B CN 103949618 B CN103949618 B CN 103949618B CN 201410191439 A CN201410191439 A CN 201410191439A CN 103949618 B CN103949618 B CN 103949618B
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Abstract
The present invention relates to foundryman's fever reclaim and casting temperature control field, be specifically related to heavy castings from the energy recovery being solidified to during unpacking, and to the temperature control technology in casting solidification process.It is characterized in that: this chill is made up of casing, inlet connection, discharge connection, deflection plate, casing is hollow structure, and wherein deflection plate is arranged on the inside of casing, makes box house form reciprocal cooling duct of spiraling；Inlet connection and discharge connection are set to adjacent structure.Described deflection plate flow-guiding structure is replaced at internal pipeline by spiraling.It is an object of the invention to solve the controllable solidification to foundry goods, improve heat recovery problem in casting quality and process of setting.
Description
Technical field
The present invention relates to foundryman's fever reclaim and casting temperature control field, be specifically related to heavy castings from the energy recovery being solidified to during unpacking, and to the temperature control technology in casting solidification process.
Background technology
Steel and iron industry is high energy-consuming industry, and energy consumption accounts for about the 16% of whole nation energy input, and energy consumption cost accounts for more than the 24% of enterprise's total production cost, and right combination utilizes the existing valuable energy to be the key point that China guarantees sustainable economic development.The energy consumption level of the casting industry of China and international most advanced level have the biggest gap, the energy utilization rate of most enterprises is only 30%-50%, production does not only have substantial amounts of waste heat by waste in vain, also result in the biggest pollution to environment simultaneously, from the viewpoint of thermal conduction study, ecology and recycling economy, these waste heats can be converted into available resource and the energy.
Large-scale steel-casting is after casting, and foundry goods uses natural cooling, solidification.From being solidified to long time to be had of unpacking.Melting one ton of iron and steel, it usually needs 200 degree of electricity, energy is stored in the middle of the foundry goods of high temperature in the way of heat energy, and the bonded hard ferrite magnet of casting is generally at about 1600 degree, and the foundry goods of 100 tons, the time of cooling generally takes more than 1 month.Employing natural way cools down, and in casting solidification process, heat is directly emitted in air, causes a large amount of wastes of the energy, and has a strong impact on ecological environment.For yearly productive capacity foundry enterprise more than 60,000 tons, the energy waste caused is the most surprising.Do not meet the current requirement protecting environment.
The mode using natural cooling carries out the production of foundry goods, and the quality of foundry goods can not be well controlled.The most set chill is also relatively fixed for the impact controlling casting solidification order, needs to lay substantial amounts of chill, and the moulding work for foundry goods also brings the biggest trouble.If able to the derivation foundry goods by the heat energy active of casting heat energy-saving position actively, it is not only able to reduce the volume of chill, the quantity of chill can also be reduced, and heat energy can also recycle, the energy consumed that produces that can make foundry goods greatly reduces, and the utilization of the energy obtains a good circulation.
Controlling casting quality, the heat recovery and utilization in casting solidification process has become as the problem that current Green foundry is in the urgent need to address.
At present, controlling casting solidification and be typically with rising head and Chill measure, the heat recovery and utilization in casting solidification process is then by additional heat energy retracting device.The Chinese patent application of Application No. 201220665279.1 discloses a kind of external chill and external chill system, including external chill wall and the cavity that surrounded by external chill wall, strengthen the Quench ability of external chill, but it is cavity in this system, cooling liquid flow in cavity insufficient, heat exchange efficiency is low, not only waste substantial amounts of resource, foundry goods cooling segment can not be made to obtain good chilling action.The Chinese patent of Application No. 201220311905.7 discloses a kind of effective recycling casting cast and unpacks the special equipment of heat energy, solve the recovery problem of heat energy after casting cast is unpacked, but the temperature reclaiming foundry goods is 850～60 DEG C, in casting solidification process, the energy recovery problem of 1500～850 DEG C is again without well solving, moreover use the mode of production that high temperature is unpacked, also it is very easy to make foundry goods produce the defects such as hot tearing, the solidification sequence of foundry goods is not the most intervened, it is impossible to improve the quality of foundry goods.
Summary of the invention
The present invention provides a kind of foundry goods recuperation of heat temperature control chill and recuperation of heat cooling means, its object is to solve the controllable solidification to foundry goods, improves heat recovery problem in casting quality and process of setting.
It is an object of the invention to be achieved through the following technical solutions:
A kind of foundry goods recuperation of heat temperature control chill, it is characterised in that: this chill is made up of casing, inlet connection, discharge connection, deflection plate, and casing is hollow structure, and wherein deflection plate is arranged on the inside of casing, makes box house form reciprocal cooling duct of spiraling；Inlet connection and discharge connection are set to adjacent structure.
Described deflection plate flow-guiding structure is replaced at internal pipeline by spiraling.
A kind of foundry goods recuperation of heat temperature control cooling means as above, it is characterized in that: above-mentioned chill being arranged on foundry goods and easily occurs that the position of thermal center is laid, put into when ramming inside die cavity, inlet connection and discharge connection extend to outside die cavity, fixedly embedded in sand mold, or it is placed on sandbox top；To casting solidification numerical simulation, calculate setting rate and the setting time of foundry goods, after drawing the solidification temperature gradient of needs, by controlling current size, control the flowing velocity of heat, thus control the solidification sequence of foundry goods；After completing Deng casting solidification, it is possible to increased water flow speed, so that casting temperature reduces as early as possible, reach to produce castings and the requirement of energy regenerating.
The invention has the beneficial effects as follows:
Employ controllable temperature chill, the consecutive solidification of foundry goods can be strengthened, expand riser feeding distance and feeding scope, reduce volume and the quantity of rising head.Easily occur laying at thermal center at foundry goods, it is possible to accelerate the cooling of thermal center, make whole foundry goods close to solidifying simultaneously, be i.e. possible to prevent and alleviate casting deformation, the product yield of foundry goods can be improved again.Strengthen the flowing velocity of heat, it is possible to improve metallographic structure and the mechanical property of foundry goods local.As refined matrix, improve cast(ing) surface hardness and wearability.Can alleviate and prevent the segregation in thick-walled casting.
Accompanying drawing illustrates:
Fig. 1 is primary structure schematic diagram of the present invention；
Fig. 2 is the outward appearance axonometric drawing of the present invention；
Fig. 3 is fluid flow inside direction of the present invention schematic diagram；
Fig. 4 is the pipeline structure schematic diagram of the present invention；
Fig. 5 is the use scheme of installation of the present invention；
Labelling in figure: 1 temperature control chill, 2 inlet connections, 3 discharge connections, 4 deflection plates, 5 sandboxes, 6 foundry goods and rising head, 7 recuperation of heat temperature control chills, 8 pipelines.
Detailed description of the invention:
As it can be seen, a kind of foundry goods recuperation of heat temperature control chill, including casing 1, inlet connection 2, discharge connection 3, deflection plate 4, wherein deflection plate 4 is arranged on casing 1 inside, by deflection plate 4, adjusts fluid flow direction, inlet connection 2 and discharge connection 3 are adjacent, it is simple to install and the moulding of foundry goods.Temperature control chill is placed on the position originally needing to place chill, can control foundry goods rate of cooling；Drawing outside sandbox 1 with adapter by inlet connection 2, discharge connection 3, water receiving pipe or air duct, the heat of foundry goods is become hot water, steam or hot blast derives, it is achieved the energy recovery during casting solidification.Marking the underface of 6,7 in Fig. 5, be a rectangle frame, it is the position of foundry goods, and the pipeline that side communicates therewith is casting system.After casting, after foundry goods cooling, volume diminishes, and needs again to carry out, in the position of mark 6, the position reduced with filling of casting.
Deflection plate 4 flow-guiding structure can be replaced by the pipeline 8 spiraled internal, and as shown in Figure 4, this structure is more prevented from gas or fluid seepage.
The present invention, for increasing foundry goods Local cooling speed, lays energy recovery temperature control chill in die cavity inside and working surface, and it is owing to spiraling reciprocating structure, increases contact area, more can improve rate of cooling.Put into die cavity inside when ramming or extend to outside type, fixedly embedded in sand mold, or it is placed on sandbox top.To casting solidification numerical simulation, calculate setting rate and the setting time of foundry goods, after drawing the solidification temperature gradient of needs, by controlling current size, control the flowing velocity of heat, thus control the solidification sequence of foundry goods, this be the application compared with other prior aries, there is significant difference.After completing Deng casting solidification, it is possible to increased water flow speed, so that casting temperature reduces as early as possible, reach to produce castings and the requirement of energy regenerating.Due to the structures and methods of this design, reclaim heat energy recycling, in actual production process, it is possible to reduction product energy consumption 5～10 percentage points.
After casting solidification heat energy is derived by temperature control chill, convert hot water, steam or steam thermal energy, with production line or other industry, office space is connected by heating tube pipe network, so that the heat energy being recovered to substantially effectively is used, logical this equipment of use, can reclaim temperature 1500～the heat of 60 DEG C during casting solidification efficiently.
Temperature control chill is placed in the inside of sand mold, and foundry goods is isolated with certain thickness molding sand, in order to recycling.
Claims (3)
1. a foundry goods recuperation of heat temperature control chill, it is characterized in that: this chill is made up of casing (1), inlet connection (2), discharge connection (3), deflection plate (4), casing (1) is hollow structure, wherein deflection plate (4) is arranged on the inside of casing (1), makes casing (1) be internally formed reciprocal cooling duct of spiraling；Inlet connection (2) and discharge connection (3) are set to adjacent structure.
2. according to the foundry goods recuperation of heat temperature control chill described in claim 1, it is characterised in that: described deflection plate (4) flow-guiding structure is replaced at internal pipeline by spiraling.
3. a foundry goods recuperation of heat temperature control cooling means, it is characterized in that: use foundry goods recuperation of heat temperature control chill as claimed in claim 1, it is disposed at foundry goods and the position of thermal center easily occurs, put into die cavity when ramming internal fixedly embedded in sand mold, or be placed on sandbox top；When putting into die cavity inside, inlet connection (2) and discharge connection (3) extend to outside die cavity；To casting solidification numerical simulation, calculate setting rate and the setting time of foundry goods, after drawing the solidification temperature gradient of needs, by controlling current size, control the flowing velocity of heat, thus control the solidification sequence of foundry goods；After completing Deng casting solidification, it is possible to increased water flow speed, so that casting temperature reduces as early as possible, reach to produce castings and the requirement of energy regenerating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410191439.7A CN103949618B (en) | 2014-05-07 | 2014-05-07 | Foundry goods recuperation of heat temperature control chill and recuperation of heat cooling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410191439.7A CN103949618B (en) | 2014-05-07 | 2014-05-07 | Foundry goods recuperation of heat temperature control chill and recuperation of heat cooling means |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103949618A CN103949618A (en) | 2014-07-30 |
| CN103949618B true CN103949618B (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410191439.7A Expired - Fee Related CN103949618B (en) | 2014-05-07 | 2014-05-07 | Foundry goods recuperation of heat temperature control chill and recuperation of heat cooling means |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109848368A (en) * | 2017-11-30 | 2019-06-07 | 株式会社日立制作所 | Sand mold casting mold and casting method |
| CN108115096A (en) * | 2017-12-22 | 2018-06-05 | 天津万立鑫晟新材料技术研究院有限公司 | A kind of shrinkage compensation method of template casting |
| CN108500232B (en) * | 2018-04-13 | 2020-10-13 | 芜湖久弘重工股份有限公司 | Method for changing solidification characteristic of large numerical control horizontal machining center workbench |
| CN108311657B (en) * | 2018-04-13 | 2020-10-13 | 芜湖久弘重工股份有限公司 | Special chilling block structure for casting large-scale numerical control horizontal machining center lathe bed |
| CN115351258A (en) * | 2022-07-25 | 2022-11-18 | 哈尔滨理工大学 | Cooling water pipe embedded type chilling block and casting method and application thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5607007A (en) * | 1994-10-19 | 1997-03-04 | Hitchiner Manufacturing Co., Inc. | Directional solidification apparatus and method |
| DE10159456A1 (en) * | 2000-12-05 | 2002-06-13 | L & S Praez Sgus Gmbh | Mold or mold insert for molding plastics or metals, especially steel tools, contains contoured mold cavity with meander-shaped cooling tube with coolant inlet and outlet behind cavity |
| JP2012157894A (en) * | 2011-02-01 | 2012-08-23 | Tokyo Seimitsu Kogyo Kk | Chill vent |
| CN102615274A (en) * | 2012-04-14 | 2012-08-01 | 北京新方尊铸造科技有限责任公司 | Method for controlling solidification and cooling of heavy castings |
| CN202779686U (en) * | 2012-10-26 | 2013-03-13 | 宿松恒达电气配件有限公司 | Circulating water cooling system for casting |
| CN202963412U (en) * | 2012-12-05 | 2013-06-05 | 济南圣泉倍进陶瓷过滤器有限公司 | External chiller and external chiller system |
| CN203817349U (en) * | 2014-05-07 | 2014-09-10 | 沈阳工业大学 | Casting heat recovery and temperature control chilling block |
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2014
- 2014-05-07 CN CN201410191439.7A patent/CN103949618B/en not_active Expired - Fee Related
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Granted publication date: 20160831 Termination date: 20170507 |