CN103318924A - Energy-saving equipment and energy-saving method for smelting mine by virtue of waste heat - Google Patents
Energy-saving equipment and energy-saving method for smelting mine by virtue of waste heat Download PDFInfo
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- CN103318924A CN103318924A CN2013102596679A CN201310259667A CN103318924A CN 103318924 A CN103318924 A CN 103318924A CN 2013102596679 A CN2013102596679 A CN 2013102596679A CN 201310259667 A CN201310259667 A CN 201310259667A CN 103318924 A CN103318924 A CN 103318924A
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The invention discloses energy-saving equipment and an energy-saving method for smelting mine by virtue of waste heat. The equipment for smelting mine comprises a salt dissolution pool, multiple-effect evaporation equipment and a condenser, wherein the salt dissolution pool is connected to the multiple-effect evaporation equipment via a pipeline, and aqueous glauber salt enters the multiple-effect evaporation equipment via the pipeline; the multiple-effect evaporation equipment is connected with the condenser via a pipeline, and multiple-effect evaporation waste heat vapour enters the condenser via the pipeline; a cooling water circulation pipeline is arranged in the condenser. The method smelting mine comprises the steps of mine smelting, four-effect evaporation, and crystallization, wherein the two steps are cyclically performed in sequence. According to the energy-saving technological transformation method for smelting mine by virtue of waste heat provided by the invention, boiler equipment and the vapour supplied by the boiler equipment are reduced compared with the traditional production process method for anhydrous sodium sulphate; moreover, the massive use of cooling water is reduced, and energy consumption is greatly decreased by using circulated aqueous glauber salt as a cooling medium.
Description
Technical field
The invention belongs to chemical field, relate in particular to a kind of energy saving technical reconstruction method of utilizing the waste heat ore deposit.
Background technology
At present, at chemical field, existing saltcake (NaSO
410H
2O) change Sodium sulfate anhydrous.min(99) (NaSO into
4) traditional technology normally needs ore deposit, multiple-effect evaporation, crystallization, roasting, Sodium sulfate anhydrous.min(99) separate again, production technique such as oven dry, the heat of wherein changing the ore deposit comes from the steam that boiler produces, and absorbs the heat that crystallization discharges with water coolant.
The traditional dissolving of arts demand saltcake and Sodium sulfate anhydrous.min(99) prepare two covering devices, and its equipment is many, floor space is big and cost is high, technical process complexity, the high and a large amount of water coolants of need of power consumption.
Summary of the invention
The object of the present invention is to provide a kind of energy saving technical reconstruction method of utilizing the waste heat ore deposit, this method utilization circulation glass gall is intended to solve technical process complexity, the high problem of power consumption that existing Sodium sulfate anhydrous.min(99) preparation technology exists as heat-eliminating medium.
The present invention is achieved in that a kind of comprising of energy saving technical reconstruction method ore deposit equipment and change ore deposit method of utilizing the waste heat ore deposit.
Change comprising of equipment salt pond, ore deposit, multifunctional evaporating equipment, condenser.
In multifunctional evaporating equipment, glass gall enters multifunctional evaporating equipment by pipeline by pipe connection in describedization salt pond; Multifunctional evaporating equipment is connected with condenser by pipeline, and the afterheat steam of multiple-effect evaporation enters condenser by pipeline; Condenser inside is provided with cooling water circulation pipeline.
Further, the described power-economizing method concrete steps in waste heat ore deposit of utilizing are as follows:
The first step is utilized the steam of the tow taste heat of quadruple effect evaporator discharging, and by pipe connection heat release in the condenser, the low temperature glass gall that liberated heat is recycled cooling absorbs, and the low temperature glass gall has become the high temperature glass gall;
In second step, the high temperature glass gall is by entering of pipeline salt pond, and the high temperature glass gall is emitted heat in order to dissolve saltcake in changing the salt pond, becomes the low temperature glass gall after mixing;
The 3rd step, wherein a part of low temperature glass gall enters the low-grade steam waste heat that condenser absorbs the quadruple effect evaporator discharging again, another part low temperature glass gall enters next step operation, by with cocycle, utilize the low-grade steam waste heat dissolving saltcake of quadruple effect evaporator discharging, saved a large amount of steam and recirculated cooling water that boiler produces.
Effect gathers
A kind of energy saving technical reconstruction method of utilizing the waste heat ore deposit provided by the invention, the energy conserving system device of the circulation cooling glass gall of the low-grade steam waste heat heating for dissolving saltcake solid in condenser by utilizing quadruple effect evaporator discharging.The present invention compares with traditional Sodium sulfate anhydrous.min(99) process for making, the steam that has reduced boiler plant and provide, and utilize the circulation glass gall as heat-eliminating medium, and reduced a large amount of uses of water coolant, greatly reduce energy consumption.
Description of drawings
Fig. 1 is the fundamental diagram of Sodium sulfate anhydrous.min(99) preparation technology before the transformation that provides of the embodiment of the invention;
Fig. 2 is the fundamental diagram of Sodium sulfate anhydrous.min(99) preparation technology after the transformation that provides of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated:
As shown in Figure 1, the present invention is achieved in that a kind of comprising of energy saving technical reconstruction method ore deposit equipment and change ore deposit method of utilizing the waste heat ore deposit.
Change comprising of equipment salt pond, ore deposit, multifunctional evaporating equipment, condenser.
In multifunctional evaporating equipment, glass gall enters multifunctional evaporating equipment by pipeline by pipe connection in describedization salt pond; Multifunctional evaporating equipment is connected with condenser by pipeline, and the afterheat steam of multiple-effect evaporation enters condenser by pipeline; Condenser inside is provided with cooling water circulation pipeline.
As the prioritization scheme that has of the embodiment of the invention, utilize the power-economizing method concrete steps in waste heat ore deposit as follows:
The first step is utilized the steam of the tow taste heat of quadruple effect evaporator discharging, and by pipe connection heat release in the condenser, the low temperature glass gall that liberated heat is recycled cooling absorbs, and the low temperature glass gall has become the high temperature glass gall;
In second step, the high temperature glass gall is by entering of pipeline salt pond, and the high temperature glass gall is emitted heat in order to dissolve saltcake in changing the salt pond, becomes the low temperature glass gall after mixing;
The 3rd step, wherein a part of low temperature glass gall enters the low-grade steam waste heat that condenser absorbs the quadruple effect evaporator discharging again, another part low temperature glass gall enters next step operation, by with cocycle, utilize the low-grade steam waste heat dissolving saltcake of quadruple effect evaporator discharging, saved a large amount of steam and recirculated cooling water that boiler produces.
A kind of comprising of energy saving technical reconstruction method ore deposit equipment and change ore deposit method of utilizing the waste heat ore deposit provided by the invention.Change comprising of equipment salt pond, ore deposit, multifunctional evaporating equipment, condenser.Utilize the power-economizing method concrete steps in waste heat ore deposit as follows:
The first step is utilized the steam of the tow taste heat of quadruple effect evaporator discharging, and by pipe connection heat release in the condenser, the low temperature glass gall that liberated heat is recycled cooling absorbs, and the low temperature glass gall has become the high temperature glass gall;
In second step, the high temperature glass gall is by entering of pipeline salt pond, and the high temperature glass gall is emitted heat in order to dissolve saltcake in changing the salt pond, becomes the low temperature glass gall after mixing;
The 3rd step, wherein a part of low temperature glass gall enters the low-grade steam waste heat that condenser absorbs the quadruple effect evaporator discharging again, another part low temperature glass gall enters next step operation, by with cocycle, utilize the low-grade steam waste heat dissolving saltcake of quadruple effect evaporator discharging, saved a large amount of steam and recirculated cooling water that boiler produces.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. an energy-efficient equipment that utilizes the waste heat ore deposit is characterized in that, this utilizes comprising of energy-efficient equipment salt pond, multifunctional evaporating equipment, the condenser in waste heat ore deposit; In multifunctional evaporating equipment, glass gall enters multifunctional evaporating equipment by pipeline by pipe connection in the change salt pond; Multifunctional evaporating equipment is connected with condenser by pipeline, and the afterheat steam of multiple-effect evaporation enters condenser by pipeline; Condenser inside is provided with cooling water circulation pipeline.
2. a power-economizing method that utilizes the waste heat ore deposit is characterized in that, the described power-economizing method concrete steps in waste heat ore deposit of utilizing are as follows:
The first step is utilized the steam of the tow taste heat of quadruple effect evaporator discharging, and by pipe connection heat release in the condenser, the low temperature glass gall that liberated heat is recycled cooling absorbs, and the low temperature glass gall has become the high temperature glass gall;
In second step, the high temperature glass gall is by entering of pipeline salt pond, and the high temperature glass gall is emitted heat in order to dissolve saltcake in changing the salt pond, becomes the low temperature glass gall after mixing;
The 3rd step, wherein a part of low temperature glass gall enters the low-grade steam waste heat that condenser absorbs the quadruple effect evaporator discharging again, another part low temperature glass gall enters next step operation, by with cocycle, utilize the low-grade steam waste heat dissolving saltcake of quadruple effect evaporator discharging, saved a large amount of steam and recirculated cooling water that boiler produces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013102596679A CN103318924A (en) | 2013-06-25 | 2013-06-25 | Energy-saving equipment and energy-saving method for smelting mine by virtue of waste heat |
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| CN2013102596679A CN103318924A (en) | 2013-06-25 | 2013-06-25 | Energy-saving equipment and energy-saving method for smelting mine by virtue of waste heat |
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| CN103318924A true CN103318924A (en) | 2013-09-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104310437A (en) * | 2014-10-11 | 2015-01-28 | 中国轻工业长沙工程有限公司 | Technique for preparing anhydrous nitre from mirabilite |
Citations (7)
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| CN101966997A (en) * | 2010-10-29 | 2011-02-09 | 江苏瑞普膜技术有限公司 | Process and device for producing pyrotechnite from sodium sulfate decahydrate |
| CN201864580U (en) * | 2010-10-29 | 2011-06-15 | 江苏瑞普膜技术有限公司 | Device producing thenardite by sodium sulfate decahydrate |
| CN102180487A (en) * | 2011-03-30 | 2011-09-14 | 湖南新澧化工有限公司 | Method for recycling saltpeter-production dead steam |
| CN202072574U (en) * | 2011-05-25 | 2011-12-14 | 太原海力丰科技发展有限公司 | Ammonium nitrate waste water processing unit |
| CN102320575A (en) * | 2011-08-26 | 2012-01-18 | 张小江 | The method of low-temperature evaporation Sodium Persulfate |
| CN103086403A (en) * | 2013-02-06 | 2013-05-08 | 四川省洪雅青衣江元明粉有限公司 | Anhydrous sodium sulfate preparation method and anhydrous sodium sulfate preparation apparatus |
| CN203486921U (en) * | 2013-06-25 | 2014-03-19 | 代元军 | Energy-saving device for melting ore by utilizing waste heat |
-
2013
- 2013-06-25 CN CN2013102596679A patent/CN103318924A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101966997A (en) * | 2010-10-29 | 2011-02-09 | 江苏瑞普膜技术有限公司 | Process and device for producing pyrotechnite from sodium sulfate decahydrate |
| CN201864580U (en) * | 2010-10-29 | 2011-06-15 | 江苏瑞普膜技术有限公司 | Device producing thenardite by sodium sulfate decahydrate |
| CN102180487A (en) * | 2011-03-30 | 2011-09-14 | 湖南新澧化工有限公司 | Method for recycling saltpeter-production dead steam |
| CN202072574U (en) * | 2011-05-25 | 2011-12-14 | 太原海力丰科技发展有限公司 | Ammonium nitrate waste water processing unit |
| CN102320575A (en) * | 2011-08-26 | 2012-01-18 | 张小江 | The method of low-temperature evaporation Sodium Persulfate |
| CN103086403A (en) * | 2013-02-06 | 2013-05-08 | 四川省洪雅青衣江元明粉有限公司 | Anhydrous sodium sulfate preparation method and anhydrous sodium sulfate preparation apparatus |
| CN203486921U (en) * | 2013-06-25 | 2014-03-19 | 代元军 | Energy-saving device for melting ore by utilizing waste heat |
Non-Patent Citations (1)
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| 冯佩言等: "采用芒硝溶液冷凝的气压冷凝器", 《无机盐工业》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104310437A (en) * | 2014-10-11 | 2015-01-28 | 中国轻工业长沙工程有限公司 | Technique for preparing anhydrous nitre from mirabilite |
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Application publication date: 20130925 |