CN101445948A - Method for utilizing surplus heat from steel wire cooling tank after processes of electroplating and hot melting - Google Patents
Method for utilizing surplus heat from steel wire cooling tank after processes of electroplating and hot melting Download PDFInfo
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- CN101445948A CN101445948A CNA2008102312958A CN200810231295A CN101445948A CN 101445948 A CN101445948 A CN 101445948A CN A2008102312958 A CNA2008102312958 A CN A2008102312958A CN 200810231295 A CN200810231295 A CN 200810231295A CN 101445948 A CN101445948 A CN 101445948A
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Abstract
The invention relates to a method for utilizing surplus heat of cooling medium in the electroplating technology, in particular to a method for utilizing surplus heat of cooling medium in a steel wire cooling tank body after processes of electroplating and hot melting. The method for utilizing surplus heat from the steel wire cooling tank after the processes of electroplating and hot melting is mainly characterized in that when water temperature in the steel wire cooling tank after the processes of electroplating and hot melting reaches the temperature of above 70 DEG C, hot water in the steel wire cooling tank is taken as a heating medium for a hot water clearing working groove, which is used for drying and dehydrating steel wires subjected to electroplating and hot melting before being separated from coating bath; after the hot water from the steel wire cooling tank finishes heat exchange in the hot water clearing working groove, low temperature water is sent back to the steel wire cooling tank after the processes of electroplating and hot melting, and is used as the cooling medium for cooling plated steel wires. The invention has the advantages of easy implementation and low investment, and is fully able to meet working demands for actuating medium in the steel wire cooling tank and the hot water clearing working groove. Moreover, the invention achieves the effects of saving energy and reducing manufacture cost for enterprises, and has notable social and economic benefits.
Description
One, technical field: the present invention relates to the UTILIZATION OF VESIDUAL HEAT IN method of heat-eliminating medium in a kind of electroplating technology, particularly relate to behind a kind of electroplating and hot melting the UTILIZATION OF VESIDUAL HEAT IN method of heat-eliminating medium in the steel wire cooling tank body.
Two, background technology: present electroplating and hot melting production line, its technical process comprise that the hot water wash work nest that utilizes after the plating carries out heat drying to steel wire, electroplate the processes such as cooling of plating back steel wire after hot melt is handled.After treatment steel wire in hot melt, surface temperature is more than 500 ℃, even because the factor affecting of Trace speed and insulation, steel wire is lasting less than 3 seconds the time cooling zone of having arrived, but the instantaneous temperature of Steel Wire Surface still has more than 350 ℃ before the cooling zone.In the actual production, the steel wire cooling tank of on-line operation, volume is about 2 cubic metres, and the water coolant in the groove, summer temp can reach more than 90 ℃, and the online water temperature in winter is still more than 85 ℃.The coolant water temperature processing requirement at this place is 60～75 ℃, in order to satisfy processing requirement, in production run, often adopt continuous add cold water in the way of discharging hot water handle the too high problem of temperature of cooling water, the one, seriously caused thermal waste, the 2nd, wasted the water source.As everyone knows, the cooling of plating back steel wire need be adopted the one-level high-purity water, and the every operation of equipment needed discharging to be not less than in 24 hours and is worth 40 tons of one-level pure water of 150 yuan.
And in the preorder production process of above-mentioned electroplating technology, in order to allow steel wire before breaking away from coating bath, in the process of cleaning, obtain heating by hot water, make steel wire before breaking away from coating bath to this section traffic coverage that advances hot melt, moisture residual on the steel wire can volatilize naturally, reach the purpose of dry steel wire, a heating power need be set be the hot water wash work nest that is used for steel wire heating of 80 ℃ of 60Kw, technological temperature.In production run, evidence is even the temperature of this hot water wash work nest about 75 ℃, can reach the drying effect to residual moisture on the steel wire equally.
So, can utilize the hot water of electroplating in the steel wire cooling tank of back, realize the drying of the steel wire heating rear surface residual moisture of preorder operation? answer is sure.And after with cool steel wire the heat in the high-temperature water being done part exchange, cool off steel wire with the water that returns that has fallen temperature again, by a heat exchange whole process of finishing in different zones, reach tempering cooling double effects to heat drying before the steel wire disengaging aqueduct and plating back steel wire.One can water saving, the 2nd, reached UTILIZATION OF VESIDUAL HEAT IN, the purpose of energy-saving and emission-reduction, make the existing plating production line can not need the boiler air feed to come the steel wire before the disengaging aqueduct is carried out heat drying, and the steel wire Electroplating Production must rely on the boiler air feed could guarantee normally carrying out of production in the past.
Three, summary of the invention:
The present invention is actual in conjunction with producing, steel wire cooling tank UTILIZATION OF VESIDUAL HEAT IN method behind a kind of electroplating and hot melting is proposed, utilize the hot water of electroplating in the steel wire cooling tank of back, realize the drying of the steel wire heating rear surface residual moisture of preorder operation, can save existing be used to the plate supply of the boiler gas of hot water wash afterwards, the thermal waste of having avoided steel wire cooling tank hot water emission to cause.
The technical solution adopted in the present invention:
Steel wire cooling tank UTILIZATION OF VESIDUAL HEAT IN method behind a kind of electroplating and hot melting, when water temperature reaches more than 70 ℃ in the steel wire cooling tank behind electroplating and hot melting, utilize hot water in the steel wire cooling tank as the heating medium of hot water wash work nest, be used for carrying out drying and dehydrating breaking away from the steel wire that coating bath advances into electroplating and hot melting.
Steel wire cooling tank UTILIZATION OF VESIDUAL HEAT IN method behind the described electroplating and hot melting, it is the water coolant of cooling tank being got in return heat in Steel Wire Surface, water transfer pump with the cooling tank configuration will need refrigerative hot water to deliver in the hot water wash work nest that needs steel wire heating, after the hot water process thermal exchange in the hot water wash work nest from steel wire cooling tank, it is back in the steel wire cooling tank behind the electroplating and hot melting to utilize the water level official post, cool off plating the back steel wire as heat-eliminating medium, the working barrel that utilizes steel wire cooling tank again with the hot water in the steel wire cooling tank by pipe-line transportation in the hot water wash work nest, make the working medium in steel wire cooling tank and the hot water wash work nest finish a heat exchange whole process in different zones, circulation and so forth reaches steel wire is entered steel wire heating and plating back steel wire refrigerative double effects before the electroplating and hot melting.
Steel wire cooling tank UTILIZATION OF VESIDUAL HEAT IN method behind the described electroplating and hot melting, production line the unloading phase, adopt the auxilliary method that heats of electricity that the heat-transfer medium of hot water wash work nest is heated, make it to reach working temperature, when water temperature reaches more than 70 ℃ in steel wire cooling tank, adopt the heat-transfer medium of the interior hot water of steel wire cooling tank as the hot water wash work nest.
Useful positively effect of the present invention:
1, steel wire cooling tank UTILIZATION OF VESIDUAL HEAT IN method behind the electroplating and hot melting of the present invention is implemented easily, drops into lowly, has not only saved the energy, and has reduced enterprise's production cost, has obvious social and economic benefit.Utilize to electroplate the hot water in the steel wire cooling tank of back, realize the drying of the steel wire heating rear surface residual moisture of preorder operation, can save the existing supply that is used to plate the boiler gas of back hot water wash, the thermal waste of having avoided steel wire cooling tank hot water emission to cause.Production practice prove that than per hour saving 1.5 tons of one-level high purity waters in the past, 50,000 yuan pure water consumption and nearly 240,000 yuan of steam consumptions change enterprise profit over to, this boiler of also not very saving investment and working cost to a working year nearly; And can also reduce a large amount of waste gas, waste sludge discharge without boiler, help environment protection.
2, steel wire cooling tank UTILIZATION OF VESIDUAL HEAT IN method behind the electroplating and hot melting of the present invention, by a heat exchange whole process in different zones, reach plating the double effects of steel wire dry heat before back steel wire tempering cooling and the hot melt, make the task of two work nests can reach operation synchronously and the effect of filling a vacancy mutually.Production practice prove, adopt steel wire cooling tank UTILIZATION OF VESIDUAL HEAT IN method behind the electroplating and hot melting of the present invention, can satisfy the working condition requirement of working medium in steel wire cooling tank and the hot water wash work nest fully.
Four, description of drawings:
Fig. 1: steel wire cooling tank UTILIZATION OF VESIDUAL HEAT IN method block diagram behind the electroplating and hot melting of the present invention
Five, embodiment:
Embodiment: steel wire cooling tank UTILIZATION OF VESIDUAL HEAT IN method behind the electroplating and hot melting of the present invention, be when water temperature reaches more than 70 ℃ in the steel wire cooling tank behind electroplating and hot melting, utilize hot water in the steel wire cooling tank as the heating medium of hot water wash work nest, be used for carrying out drying and dehydrating breaking away from the steel wire that coating bath advances into electroplating and hot melting.
Referring to Fig. 1,4 are steel wire before the plating among the figure, 8 are plating back steel wire, 1 is the hot water wash work nest, and 2 is the electroplating and hot melting facility, and 3 is steel wire cooling tank, 5 is steel wire dry heat medium transport pipeline, will steel wire cooling tank be transported in the hot water wash work nest 1 through the high-temperature water after the heat exchanges in 3 by water transfer pump 7,6 be steel wire heat-eliminating medium pipe gravity flow pipeline, flows in the steel wire cooling tank 3 certainly after passing through heat exchange from the high-temperature water of steel wire cooling tank 3 hot water wash work nest 1 in.
Present electroplating assembly line, because after treatment steel wire in electroplating and hot melting facility 2, surface temperature is up to more than 500 ℃, its surface temperature still has more than 350 ℃ before entering the cooling zone, high purity water temperature in the steel wire cooling tank 3 is reached more than 85 ℃, in order to keep the temperature of cooling water in the steel wire cooling tank 3 not to be higher than the process for cooling requirement, adopted toward wherein adding the method that cold water puts hot water usually in the past, caused the waste of thermal waste and high purity water.And in the preorder production process of this electroplating technology, in order to allow steel wire advance into this section traffic coverage of electroplating and hot melting facility 2 at the disengaging coating bath, moisture residual on the steel wire can be volatilized naturally, reach the purpose of dry steel wire, a hot water wash work nest 1 that is used for steel wire heating often is set.In production run, the medium temperature in this hot water wash work nest is subjected to the influence of boiler quality of filling gas, and the temperature in some time and stage is once in operation below 80 ℃.Evidence is even the medium temperature in this hot water wash work nest 1 can reach the drying effect to residual moisture on the steel wire equally about 70 ℃.
Therefore, we have proposed steel wire cooling tank UTILIZATION OF VESIDUAL HEAT IN method behind the electroplating and hot melting of the present invention, when the water temperature behind the electroplating and hot melting facility in the steel wire cooling tank 3 reaches more than 70 ℃, utilize steel wire cooling tank 3 physical features low, the characteristics of hot water wash work nest 1 high-land, pipeline is set to be transported to the water coolant in the steel wire cooling tank 3 in the hot water wash work nest 1 by water transfer pump 7, heating medium as the hot water wash work nest, be used for carrying out drying and dehydrating to breaking away from the steel wire that coating bath advances into electroplating and hot melting facility 2, and cooled water at low temperature flows automatically to and is used in the steel wire cooling tank 3 steel wire is cooled off in hot water wash work nest 1, make the working medium in steel wire cooling tank 3 and the hot water wash work nest 1 finish a complete heat exchange whole process in different zones, so form reciprocation cycle, finally can reach steel wire is entered steel wire drying and dehydrating and plating back steel wire refrigerative double effects before the electroplating and hot melting facility 2.
Steel wire cooling tank UTILIZATION OF VESIDUAL HEAT IN method behind the electroplating and hot melting of the present invention, since production line the unloading phase, working medium in the hot water wash work nest 1 can not satisfy the dry requirement of the preceding steel wire of plating, so need to adopt the auxilliary method that heats of electricity that the heat-transfer medium of hot water wash work nest 1 is heated, make it to reach working temperature, when water temperature reaches more than 70 ℃ in steel wire cooling tank 3, adopt hot water in the steel wire cooling tank 3 again as the heating medium of hot water wash work nest 1.So not only thoroughly cast aside Boiler Steam, be completely free of of the dependence of former Electroplating Production, and saved the consumption expenditure of one-level high purity water in the production, further reduced production cost steam, reach energy saving purposes, had good social and economic benefit.
Certainly have under the situation of Boiler Steam, can adopt steam heating to the heating of hot water wash work nest 1 inner drying water early stage, when production is stablized, water temperatures reach more than 70 ℃ in the steel wire cooling tank 3, adopt hot water in the steel wire cooling tank 3 as the heating medium of hot water wash work nest 1 again.
Claims (3)
1, steel wire cooling tank UTILIZATION OF VESIDUAL HEAT IN method behind a kind of electroplating and hot melting, it is characterized in that: when water temperature reaches more than 70 ℃ in the steel wire cooling tank behind electroplating and hot melting, utilize hot water in the steel wire cooling tank as the heating medium of hot water wash work nest, be used for carrying out drying and dehydrating breaking away from the steel wire that coating bath advances into electroplating and hot melting.
2, steel wire cooling tank UTILIZATION OF VESIDUAL HEAT IN method behind the electroplating and hot melting according to claim 1, it is characterized in that: after the hot water process thermal exchange in the hot water wash work nest from steel wire cooling tank, it flows automatically in the steel wire cooling tank behind the electroplating and hot melting to utilize the water level official post, cool off plating the back steel wire as heat-eliminating medium, hot water in the steel wire cooling tank is delivered to the hot water wash work nest by pipeline with the working barrel of this steel wire cooling tank, make the working medium in steel wire cooling tank and the hot water wash work nest finish a heat exchange whole process in different zones, circulation and so forth reaches steel wire is entered steel wire heating and plating back steel wire refrigerative double effects before the electroplating and hot melting.
3, steel wire cooling tank UTILIZATION OF VESIDUAL HEAT IN method behind the electroplating and hot melting according to claim 1 and 2, it is characterized in that: production line the unloading phase, adopt the auxilliary method that heats of electricity that the heat-transfer medium of hot water wash work nest is heated, make it to reach working temperature, when water temperature reaches more than 70 ℃ in steel wire cooling tank, adopt the heat-transfer medium of the interior hot water of steel wire cooling tank as the hot water wash work nest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102312958A CN101445948A (en) | 2008-12-10 | 2008-12-10 | Method for utilizing surplus heat from steel wire cooling tank after processes of electroplating and hot melting |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008102312958A CN101445948A (en) | 2008-12-10 | 2008-12-10 | Method for utilizing surplus heat from steel wire cooling tank after processes of electroplating and hot melting |
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| CN101445948A true CN101445948A (en) | 2009-06-03 |
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| CNA2008102312958A Pending CN101445948A (en) | 2008-12-10 | 2008-12-10 | Method for utilizing surplus heat from steel wire cooling tank after processes of electroplating and hot melting |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102676763A (en) * | 2011-03-09 | 2012-09-19 | 苏州三艾重工有限公司 | Mesh belt quenching heat energy recovery system |
| CN103115506A (en) * | 2013-02-26 | 2013-05-22 | 广东保迪环保电镀设备有限公司 | Chemical nickeling solution cooler |
| CN105734639A (en) * | 2016-03-25 | 2016-07-06 | 北京石油化工学院 | Micro-arc oxidation electrolyte and method for preparing golden yellow ceramic layer on surface of matrix |
-
2008
- 2008-12-10 CN CNA2008102312958A patent/CN101445948A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102676763A (en) * | 2011-03-09 | 2012-09-19 | 苏州三艾重工有限公司 | Mesh belt quenching heat energy recovery system |
| CN103115506A (en) * | 2013-02-26 | 2013-05-22 | 广东保迪环保电镀设备有限公司 | Chemical nickeling solution cooler |
| CN105734639A (en) * | 2016-03-25 | 2016-07-06 | 北京石油化工学院 | Micro-arc oxidation electrolyte and method for preparing golden yellow ceramic layer on surface of matrix |
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Open date: 20090603 |