CN104294322A - Comprehensive utilization method for rectifier cooling water in copper-electrodeposition workshops - Google Patents
Comprehensive utilization method for rectifier cooling water in copper-electrodeposition workshops Download PDFInfo
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- CN104294322A CN104294322A CN201410536455.5A CN201410536455A CN104294322A CN 104294322 A CN104294322 A CN 104294322A CN 201410536455 A CN201410536455 A CN 201410536455A CN 104294322 A CN104294322 A CN 104294322A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The invention discloses a comprehensive utilization method for rectifier cooling water in copper-electrodeposition workshops. By taking rectifier cooling water in the copper-electrodeposition workshops as washing water of a cathode copper of a stripping unit, the cooling water, after being pressurized by using a pipeline pump, is conveyed to a third-stage washing inlet of the stripping unit and washes the cathode copper by a nozzle, and then the washing water flows to the inside of a water tank (5). The heated washing water in the water tank (5) is conveyed to a second-stage washing inlet by a circulating pump, and washes the cathode copper by the nozzle, and then the washing water flows to the inside of the water tank (5). The heated washing water in the water tank (5) overflows to the inside of a water tank (4), then is conveyed to a first-stage washing inlet by the circulating pump and washes the cathode copper by the nozzle, and the washing water flows to the inside of the water tank (4), and then is mixed with an original hot water in the water tank; and the washing water in the water tank (4) is acidic, and is discharged from an overflow port. The water tank is controlling by using PLC so as to electrically heat the washing water, and the temperature is controlled at 65-75 DEG C. According to the invention, the rectifier cooling water for copper-electrodeposition workshops is used as hot washing water for a cathode copper of a stripping unit, so that the waste heat of the rectifier cooling water is effectively used, and the utilization efficiency of energy is increased.
Description
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Technical field
The present invention relates to a kind of copper electrodeposition workshop rectifier water coolant method of comprehensive utilization, be applicable to the copper electrodeposition workshop that there is unit of delaminating with washing function in warm area, belong to non-ferrous metal hydrometallurgy field of energy-saving technology.
Background technology
Copper electrodeposition workshop generally selects silicon rectifier to carry out AC-DC conversion, and in operation, heat generating components needs cooling, and cooling adopts water-water or oil-water cooling, i.e. inside pure water, the cooling of oily sealing and circulating, outside with open circuit circulation cooling pure water or the oil of purifying waste water.External inlet water temperature is normal temperature, and outlet water temperature is 30-40 DEG C, is cooled to the import of pumping external water circulation again after normal temperature, is not recycled utilization through cooling tower dispersed heat through cooling tower.
At present, larger electrodeposition workshop, wet copper smeltery generally adopts unit stripping negative plate of delaminating, and unit of delaminating carries washing device, uses hot wash before delaminating.Washing device generally adopts three stage countercurrent washings, be specially from third stage washing mouth additional 65-70 DEG C of new water with pressure, new water washs through shower nozzle anticathode copper, washing water flow to the water tank two of bottom, in water tank with steam or electrically heated to 65-70 DEG C, being extracted out by pump send the second stage to wash mouth again, wash through shower nozzle anticathode copper, washing water flow to bottom water tank two, water tank one is overflowed to again by water tank two, in water tank one inside steam or electrically heated to 65-75 DEG C, being extracted out by pump send the first step to wash mouth again, wash through shower nozzle anticathode copper, washing water flow to bottom water tank one.Because wet copper smeltery is without waste heat boiler, cannot by-product steam be produced, generally will design separately electric boiler and produce steam or adopt electricity to carry out heated scrub water to 65-75 DEG C, cause energy consumption to increase and investment increase.
Summary of the invention
The object of the present invention is to provide a kind of copper electrodeposition workshop rectifier water coolant method of comprehensive utilization, specific embodiments is as follows:
adopt copper electrodeposition workshop silicon rectifier water coolant as the bath water of unit washing cathode copper of delaminating; The water coolant of rectifier accesses the entrance of third stage washing (3) of unit of delaminating after in-line pump (8) is forced into 0.25-0.30Mpa, then washs through washing nozzle anticathode copper, and washing water flow in the water tank (5) of below; Be pumped to by recycle pump (10) entrance that (2) are washed in the second stage by the washing water heated in water tank (5), wash through washing nozzle anticathode copper, washing water flow in the water tank (5) of below; Overflowed in water tank (4) by the washing water heated by overflow port (27) in water tank (5), the entrance that the first step washs (1) is pumped to again by recycle pump (9), wash through washing nozzle anticathode copper, washing water flow in the water tank (4) of below, and mix with wherein original hot water; Washing water in water tank (4), with acidity, are discharged by overflow port (11);
water tank (4), water tank (5) inside all adopt PLC to control electric heater (6) and electric heater (7) heated scrub water, and temperature controls at 65-75 DEG C.
The temperature out of described rectifier water coolant is 30-40 DEG C, pressure is 0.05-0.25Mpa, the flow entering the rectifier water coolant of third stage washing (3) is controlled by electrically operated valve (13) adjust flux meter (28), and the residual flow of the outlet water coolant of silicon rectifier controls to return cooling tower by electrically operated valve (12).
The water coolant of described silicon rectifier also can be used as the filling water of the water tank (4) before unit start of delaminating, water tank (5).
advantage of the present invention
Copper electrodeposition workshop of the present invention rectifier water coolant method of comprehensive utilization has not only reclaimed water coolant and the heat wherein of rectifier, also instead of 65-75 DEG C of new water of the band pressure that unit third stage washing of delaminating uses, eliminate the supporting heating of additional new water simultaneously and supply pressure device, achieve the utilization of cooling water heat, reduce investment.In addition, water tank inside adopts electrically heated, can solve wet copper smeltery and produce the problem that steam cost high and low temperature washing water chance steam produces a large amount of steam, improve the utilising efficiency of electric energy.
Accompanying drawing explanation
Fig. 1 is copper electrodeposition workshop rectifier water coolant comprehensive utilization schema;
Number in the figure: 1, first step washing; 2, second stage washing; 3, third stage washing; 4, water tank; 5, water tank; 6, electric heater; 7, electric heater; 8, in-line pump; 9, recycle pump; 10, recycle pump; 11, overflow port; 12, electrically operated valve; 13, electrically operated valve; 14, valve; 15, valve; 16, valve; 17, valve; 18, valve; 19, valve; 20, valve; 21, valve; 22, valve; 23, valve; 24, valve; 25, valve; 26, valve; 27, overflow port; 28, under meter.
Embodiment
embodiment 1
Every day, fill the clear water (normal temperature is purified waste water or rectifier water coolant) of some amount toward unit water tank of delaminating, electrically heated was to 65-75 DEG C before unit of delaminating is opened.Rectifier water coolant with pressure is accessed at the entrance of third stage washing (3), if pressure is inadequate, can pipe laying force (forcing) pump, regulate access washing mouth cooling water flow by valve and under meter, remaining water coolant returns cooling tower, and washing water loss is supplemented at cooling tower.ON cycle pump (9), recycle pump (10) simultaneously.Rectifier water coolant washs through shower nozzle anticathode copper, washing water flow to bottom water tank (5) and mix with hot water original in water tank, washed the entrance of (2) again by recycle pump (10) the pumping second stage, wash through shower nozzle anticathode copper, washing water flow to bottom water tank (5); In water tank (5), hot water overflows to water tank (4), then washs the entrance of (1) by recycle pump (9) the pumping first step, and wash through shower nozzle anticathode copper, washing water flow to bottom water tank (4) and mix with hot water original in water tank; After washing, acid waste water is discharged by water tank 1 overflow port.The inside heating of water tank adopts PLC to control, and when water temperature stops heating higher than when 75 DEG C, water temperature is lower than Automatic-heating when 65 DEG C.
certain factory's copper electrodeposition workshop rectifier water coolant comprehensive utilization transformation
Certain factory is wet copper smeltery, the new water of entrance additional 0.25Mpa, 65-75 DEG C of the unit washing system third stage of delaminating washing (3), and new water and unit water tank thermal source of delaminating are the steam that electric boiler produces.Because energy consumption is large, now change rectifier water coolant into and replace additional new water, electrically heated replaces steam heating.First Open valve (15), closed electrical movable valve (12), injects the water coolant of rectifier to liquid level line toward water tank (4), water tank (5), then turns off valve (15).Open electrically operated valve (12), electrified regulation device (6), electric heater (7), heating water tank, inner washing water to 75 DEG C.Open electrically operated valve (13), closed electrical movable valve (12), by the closed degree of electrically operated valve (12), electrically operated valve (13), makes the stability of flow of under meter (28) at about 100L/min, the flow of residue water coolant returns cooling tower, and washing water loss is supplemented at cooling tower.Start recycle pump (9), recycle pump (10), open unit of delaminating and enter plate, start washing.After washing, acid waste water overflows from water tank (4) overflow port (27).In water tank, heating adopts PLC to control, and when water temperature stops heating higher than when 75 DEG C, water temperature is lower than Automatic-heating when 65 DEG C.Stop heating after washing end-of-job, closed electrical movable valve (13), unlatching electrically operated valve (12), turn off recycle pump (9), recycle pump (10), Open valve (25), valve (26) emptying sewage.Valve (16) is normally closed, and valve (14), valve (17), valve (18), valve (19), valve (20), valve (21), valve (22), valve (23), (valve 24) are often opened.
Washing is cathode copper bright in color afterwards, no significant difference compared with washing use 65-75 DEG C of hot water with the third stage.Due to make use of rectifier cooling water heat and, eliminate steam heating, washing power consumption than transformation before reduce by 25%, energy-saving effect is obvious.
Claims (3)
1. a copper electrodeposition workshop rectifier water coolant method of comprehensive utilization, is characterized in that:
adopt copper electrodeposition workshop silicon rectifier water coolant as the bath water of unit washing cathode copper of delaminating; The water coolant of rectifier accesses the entrance of third stage washing (3) of unit of delaminating after in-line pump (8) is forced into 0.25-0.30Mpa, then washs through washing nozzle anticathode copper, and washing water flow in the water tank (5) of below; Be pumped to by recycle pump (10) entrance that (2) are washed in the second stage by the washing water heated in water tank (5), wash through washing nozzle anticathode copper, washing water flow in the water tank (5) of below; Overflowed in water tank (4) by the washing water heated by overflow port (27) in water tank (5), the entrance that the first step washs (1) is pumped to again by recycle pump (9), wash through washing nozzle anticathode copper, washing water flow in the water tank (4) of below, and mix with wherein original hot water; Washing water in water tank (4), with acidity, are discharged by overflow port (11);
water tank (4), water tank (5) inside all adopt PLC to control electric heater (6) and electric heater (7) heated scrub water, and temperature controls at 65-75 DEG C.
2. a kind of copper electrodeposition workshop according to claim 1 rectifier water coolant method of comprehensive utilization, it is characterized in that: the temperature out of described rectifier water coolant is 30-40 DEG C, pressure is 0.05-0.25Mpa, the flow entering the rectifier water coolant of third stage washing (3) is controlled by electrically operated valve (13) adjust flux meter (28), and the residual flow of the outlet water coolant of silicon rectifier controls to return cooling tower by electrically operated valve (12).
3. a kind of copper electrodeposition workshop according to claim 1 rectifier water coolant method of comprehensive utilization, is characterized in that: the water coolant of described silicon rectifier also can be used as the filling water of the water tank (4) before unit start of delaminating, water tank (5).
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| CN201410536455.5A CN104294322B (en) | 2014-10-13 | 2014-10-13 | A kind of copper electrodeposition workshop commutator cooling water method of comprehensive utilization |
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| CN201410536455.5A CN104294322B (en) | 2014-10-13 | 2014-10-13 | A kind of copper electrodeposition workshop commutator cooling water method of comprehensive utilization |
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| CN104294322A true CN104294322A (en) | 2015-01-21 |
| CN104294322B CN104294322B (en) | 2016-09-28 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201149083Y (en) * | 2007-12-20 | 2008-11-12 | 金川集团有限公司 | Connection device of cathode copper washing liquid reflux pipe and circulation box |
| GB2452311A (en) * | 2007-08-31 | 2009-03-04 | Radio Tech Ltd | A temperature monitoring device and a method of monitoring temperature using such a device |
| JP2009236363A (en) * | 2008-03-26 | 2009-10-15 | Takuma Co Ltd | Waste heat treatment system |
| CN201540343U (en) * | 2009-11-03 | 2010-08-04 | 湖南省泸溪县金旭冶化有限责任公司 | Ring-shaped cooling water coiled tube electricity leakage detecting simulation device |
| CN202660830U (en) * | 2012-07-12 | 2013-01-09 | 灵宝金源矿业股份有限公司 | Electro-deposition copper rectifier cooling water cyclic utilization system |
-
2014
- 2014-10-13 CN CN201410536455.5A patent/CN104294322B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2452311A (en) * | 2007-08-31 | 2009-03-04 | Radio Tech Ltd | A temperature monitoring device and a method of monitoring temperature using such a device |
| CN201149083Y (en) * | 2007-12-20 | 2008-11-12 | 金川集团有限公司 | Connection device of cathode copper washing liquid reflux pipe and circulation box |
| JP2009236363A (en) * | 2008-03-26 | 2009-10-15 | Takuma Co Ltd | Waste heat treatment system |
| CN201540343U (en) * | 2009-11-03 | 2010-08-04 | 湖南省泸溪县金旭冶化有限责任公司 | Ring-shaped cooling water coiled tube electricity leakage detecting simulation device |
| CN202660830U (en) * | 2012-07-12 | 2013-01-09 | 灵宝金源矿业股份有限公司 | Electro-deposition copper rectifier cooling water cyclic utilization system |
Non-Patent Citations (1)
| Title |
|---|
| 彭容秋: "《铜冶金》", 31 December 2004, 中南大学出版社 * |
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Address after: 330031 No. 888, Qian Hu Road, Hongjiao Island, Nanchang, Jiangxi. Patentee after: China ruim engineering technology Limited by Share Ltd Address before: 330063 No. 888, Qian Hu Road, Hongjiao Island, Nanchang, Jiangxi. Patentee before: China Nerin Engineering Co., Ltd. |