CN104075581A - Copper smelting waste heat using boiler - Google Patents
Copper smelting waste heat using boiler Download PDFInfo
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- CN104075581A CN104075581A CN201410124147.1A CN201410124147A CN104075581A CN 104075581 A CN104075581 A CN 104075581A CN 201410124147 A CN201410124147 A CN 201410124147A CN 104075581 A CN104075581 A CN 104075581A
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- boiler
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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
- Y02P10/25—Process efficiency
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a copper smelting waste heat using boiler. The copper smelting waste heat using boiler comprises a boiler barrel (1) for storing boiler water, a first circulating pipeline and a second circulating pipeline connected with the boiler barrel (1), a radiation hearth (2) and a low-temperature section wall wrapped pipe (6) connected with the first circulating pipeline, and a convection evaporation pipe bundle (3) connected with the second circulating pipeline; after heat exchange is carried out on the water in the first circulating pipeline, the water enters the boiler barrel (1) through the radiation hearth and the low-temperature section wall wrapped pipe (6) to perform steam-water separation, after heat exchange is carried out on the water in the second circulating pipeline, the water enters the boiler barrel (1) through the convection evaporation pipe bundle (3) to perform steam-water separation. According to the copper smelting waste heat using boiler, the heat exchange is performed between the boiler water and high-temperature exhaust gas, the water is formed into super-heated steam, and the super-heated steam is supplied to a power station for generating power or a user to supply steam; the heat energy in the high-temperature exhaust gas is recycled effectively and reasonably, and accordingly the energy is greatly saved; the high-temperature corrosion and low-temperature corrosion to the waste heat boiler due to the high-temperature exhaust gas and boiler water are avoided.
Description
Technical field
The present invention relates to heat energy and environmental technology field, particularly a kind of copper is smelted Waste-heat boiler.
Background technology
Copper smelting by pyrometallurgy process produces a large amount of residual heat resources, and heat recovery at present is mainly generated electricity as main for production, life or saturated vapor to produce saturated vapor, and UTILIZATION OF VESIDUAL HEAT IN level is low.
Copper is smelted waste heat recovery and the low subject matter of utilization rate is that high temperature corrosion easily occurs waste-heat boiler superheater, causes superheater tubes burst accident; Easily there is cold end corrosion in back-end surfaces, therefore the basic not saturated vapor waste heat boiler way of recycling with superheater and economizer of employing, waste heat recovery rate and utilization rate all reduce greatly.
Summary of the invention
The invention provides a kind of copper and smelt Waste-heat boiler, its objective is in order to make the better recycling of heat energy in high-temperature flue gas that copper smelting by pyrometallurgy produces.
In order to achieve the above object, embodiments of the invention provide a kind of copper to smelt Waste-heat boiler, comprising: for holding the drum of boiler feedwater; The first circulation line being connected with drum and the second circulation line; The radiant box will and the low-temperature zone enclosure wall tube that are connected with described the first circulation line; The convection current steam-generating bank being connected with described the second circulation line; In described the first circulation line, after water heat exchange, enter described drum through described radiant box will and low-temperature zone enclosure wall tube and carry out carbonated drink and separate, after the water heat exchange in described the second circulation line, enter described drum through convection current steam-generating bank and carry out carbonated drink separation.
Wherein, described the first circulation line comprises:
The circulating pump being connected with described drum;
The low-temperature zone enclosure wall tube lower header being connected with described circulating pump;
The low-temperature zone enclosure wall tube upper collecting chamber fairlead being connected with described low-temperature zone enclosure wall tube lower header;
Described the first circulation line makes described boiler feedwater through low-temperature zone enclosure wall tube lower header by described circulating pump pressurization, and low-temperature zone enclosure wall tube upper collecting chamber fairlead is introduced drum and carried out carbonated drink separation.
Wherein, described the second circulation line comprises:
The convection current steam-generating bank lower header being connected with described drum;
The convection current steam-generating bank upper collecting chamber fairlead being connected with described convection current steam-generating bank lower header;
Boiler feedwater in described the second circulation line is through described convection current steam-generating bank lower header, and convection current steam-generating bank upper collecting chamber fairlead, introduces drum and carry out carbonated drink separation.
Wherein, described copper is smelted Waste-heat boiler and is also comprised steam derivation pipeline, and described steam is derived pipeline and comprised: the low temperature superheater being connected with described drum;
The direct-contact desuperheater being connected with described low temperature superheater;
The high temperature superheater being connected with described direct-contact desuperheater;
The super-heater exit case being connected with described high temperature superheater;
The isolated saturated vapor of described drum is derived described copper and is smelted Waste-heat boiler after described steam derivation pipeline heats up.
Wherein, described copper smelting Waste-heat boiler also comprises:
Flue gas heat exchange pipeline, described flue gas heat exchange pipeline is through described radiant box will, described convection current steam-generating bank, described high temperature superheater and described low temperature superheater.
The beneficial effect of such scheme of the present invention is as follows:
It is that boiler feedwater is introduced in waste heat boiler that copper of the present invention is smelted Waste-heat boiler, by forming the generating of superheated steam supply station or the use of user's steam supply with the heat exchange of high-temperature flue gas, high-temperature flue gas and the boiler feedwater that each copper smelting by pyrometallurgy equipment can be produced utilize again, make the heat energy in high-temperature flue gas obtain effective and reasonable recovery, saved greatly the energy; By the heat exchange of boiler feedwater and high-temperature flue gas, also avoid high-temperature flue gas and boiler feedwater high temperature corrosion and the cold end corrosion to waste heat boiler simultaneously, greatly increased service life and reliability that copper is smelted Waste-heat boiler.
Brief description of the drawings
Fig. 1 is the structural representation that copper of the present invention is smelted Waste-heat boiler.
[primary clustering explanation]
1-drum; 2-radiant box will; 3-convection current steam-generating bank; 4-high temperature superheater; 5-low temperature superheater; 6-low-temperature zone enclosure wall tube; 7-outlet header; 8-direct-contact desuperheater; 9-circulating pump; 10-low-temperature zone enclosure wall tube lower header; 11-low-temperature zone enclosure wall tube upper collecting chamber fairlead; 12-convection current steam-generating bank lower header; 13-convection current steam-generating bank upper collecting chamber fairlead.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The present invention is directed to the well problem of recycling of heat energy of the high-temperature flue gas that existing copper smelting by pyrometallurgy produces, provide a kind of copper to smelt Waste-heat boiler.
As shown in Figure 1, described copper smelting Waste-heat boiler comprises: for holding the drum 1 of boiler feedwater; The first circulation line being connected with drum 1 and the second circulation line; The radiant box will 2 and the low-temperature zone enclosure wall tube 6 that are connected with described the first circulation line; The convection current steam-generating bank 3 being connected with described the second circulation line; In described the first circulation line, after water heat exchange, enter described drum 1 through described radiant box will 2 and low-temperature zone enclosure wall tube 6 and carry out carbonated drink and separate, after the water heat exchange in described the second circulation line, enter described drum 1 through convection current steam-generating bank 3 and carry out carbonated drink separation.
Further, the operating pressure of described drum 1 is 2.75MPa, and corresponding saturation temperature is 229 DEG C; Drum 1 is delivered in described boiler feedwater after thermal de-aeration is heated to 150 DEG C; Described radiant box will 2, adopts pipe with small pipe diameter membrane wall structure, and the flue-gas temperature in described radiant box will 2 exits is controlled at 650 DEG C of left and right, and the good adiabatic furnace hopper device of sealing is established in the bottom of described radiant box will 2.
It is that boiler feedwater is introduced in waste heat boiler that copper described in the above embodiment of the present invention is smelted Waste-heat boiler, by forming the generating of superheated steam supply station or the use of user's steam supply with the heat exchange of high-temperature flue gas, the high-temperature flue gas that each copper smelting by pyrometallurgy equipment can be produced is made full use of, make the heat energy in high-temperature flue gas obtain effective and reasonable recovery, saved greatly the energy; By the heat exchange of boiler feedwater and high-temperature flue gas, also avoid high-temperature flue gas and boiler feedwater high temperature corrosion and the cold end corrosion to waste heat boiler simultaneously, greatly increased service life and reliability that copper is smelted Waste-heat boiler.
Wherein, described the first circulation line comprises: the circulating pump 9 being connected with described drum 1; The low-temperature zone enclosure wall tube lower header 10 being connected with described circulating pump 9; The low-temperature zone enclosure wall tube upper collecting chamber fairlead 11 being connected with described low-temperature zone enclosure wall tube lower header 10; Described the first circulation line makes described boiler feedwater through low-temperature zone enclosure wall tube lower header 10 by described circulating pump 9 pressurizations, and low-temperature zone enclosure wall tube upper collecting chamber fairlead 11, introduces drum 1 and carry out carbonated drink separation.
Further, the above embodiment of the present invention illustrates that the first circulation line pressurizes to described boiler feedwater by circulating pump 9, through low-temperature zone enclosure wall tube lower header 10, low-temperature zone enclosure wall tube upper collecting chamber fairlead 11 carries out forced circulation, after heat exchange, form steam-water mixing, finally introduce drum 1 and carry out carbonated drink separation.
Wherein, described the second circulation line comprises: the convection current steam-generating bank lower header 12 being connected with described drum 1; The convection current steam-generating bank upper collecting chamber fairlead 13 being connected with described convection current steam-generating bank lower header 12; Boiler feedwater in described the second circulation line is through described convection current steam-generating bank lower header 12, and convection current steam-generating bank upper collecting chamber fairlead 13, introduces drum 1 and carry out carbonated drink separation.
Further, described radiant box will 2 outlets arrange convection current steam-generating bank 3, make the boiler feedwater in described the second circulation line be incorporated into convection current steam-generating bank lower header 12 by drum 1, after heat convection through convection current steam-generating bank upper collecting chamber fairlead 13, adopt the mode of Natural Circulation to circulate, after heat exchange, form steam-water mixing, finally introduce drum 1 and carry out carbonated drink separation.
Wherein, described copper is smelted Waste-heat boiler and is also comprised steam derivation pipeline, and described steam is derived pipeline and comprised: the low temperature superheater 5 being connected with described drum 1; The direct-contact desuperheater 8 being connected with described low temperature superheater 5; The high temperature superheater 4 being connected with described direct-contact desuperheater 8; The super-heater exit case 7 being connected with described high temperature superheater 4; The isolated saturated vapor of described drum 1 is derived described copper and is smelted Waste-heat boiler after described steam derivation pipeline heats up.
Further, the flue-gas temperature in described convection current steam-generating bank 3 exits is controlled at 420 DEG C of left and right, and convection superheater is set, described convection superheater comprises high temperature superheater 4 and low temperature superheater 5, described saturated vapor is drawn from described drum 1, deliver to low temperature superheater 5 overheated, after direct-contact desuperheater 8 desuperheats, deliver to high temperature superheater 4 further overheated, deliver to power station generating or the use of user's steam supply by super-heater exit case 7.
Wherein, described copper is smelted Waste-heat boiler and is also comprised: flue gas heat exchange pipeline, described flue gas heat exchange pipeline is through described radiant box will 2, described convection current steam-generating bank 3, described high temperature superheater 4 and described low temperature superheater 5.
Further, the described high-temperature residual heat flue gas of 1200 DEG C of left and right is delivered to radiant box will 2 and is carried out coolingly, is cooled to 650 DEG C and goes out radiant box will 2, through convection current steam-generating bank 3 heat exchange to 420 DEG C, through high temperature superheater 4 and low temperature superheater 5 heat exchange to 250 DEG C, enter down sulfuric acid operation one.
It is that boiler feedwater is introduced in waste heat boiler that copper described in the above embodiment of the present invention is smelted Waste-heat boiler, by forming the generating of superheated steam supply station or the use of user's steam supply with the heat exchange of high-temperature flue gas, the high-temperature flue gas that each copper smelting by pyrometallurgy equipment can be produced is made full use of, make the heat energy in high-temperature flue gas obtain effective and reasonable recovery, saved greatly the energy; By the heat exchange of boiler feedwater and high-temperature flue gas, also avoid high-temperature flue gas and boiler feedwater high temperature corrosion and the cold end corrosion to waste heat boiler simultaneously, greatly increased service life and reliability that copper is smelted Waste-heat boiler.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. copper is smelted a Waste-heat boiler, it is characterized in that, comprising:
For holding the drum (1) of boiler feedwater;
The first circulation line and the second circulation line that are connected with drum (1);
The radiant box will (2) being connected with described the first circulation line and low-temperature zone enclosure wall tube (6);
The convection current steam-generating bank (3) being connected with described the second circulation line;
In described the first circulation line, after water heat exchange, enter described drum (1) through described radiant box will and low-temperature zone enclosure wall tube and carry out carbonated drink and separate, after the water heat exchange in described the second circulation line, enter described drum (1) through convection current steam-generating bank (3) and carry out carbonated drink separation.
2. copper according to claim 1 is smelted Waste-heat boiler, it is characterized in that, described the first circulation line comprises:
The circulating pump (9) being connected with described drum;
The low-temperature zone enclosure wall tube lower header (10) being connected with described circulating pump (9);
The low-temperature zone enclosure wall tube upper collecting chamber fairlead (11) being connected with described low-temperature zone enclosure wall tube lower header (10);
Described the first circulation line makes described boiler feedwater through low-temperature zone enclosure wall tube lower header (10) by described circulating pump (9) pressurization, and low-temperature zone enclosure wall tube upper collecting chamber fairlead (11) is introduced drum (1) and carried out carbonated drink separation.
3. copper according to claim 1 is smelted Waste-heat boiler, it is characterized in that, described the second circulation line comprises:
The convection current steam-generating bank lower header (12) being connected with described drum (1);
The convection current steam-generating bank upper collecting chamber fairlead (13) being connected with described convection current steam-generating bank lower header (12);
Boiler feedwater in described the second circulation line is through described convection current steam-generating bank lower header (12), and convection current steam-generating bank upper collecting chamber fairlead (13), introduces drum (1) and carry out carbonated drink separation.
4. copper according to claim 1 is smelted Waste-heat boiler, it is characterized in that, also comprises steam derivation pipeline, and described steam is derived pipeline and comprised:
The low temperature superheater (5) being connected with described drum (1);
The direct-contact desuperheater (8) being connected with described low temperature superheater (5);
The high temperature superheater (4) being connected with described direct-contact desuperheater (8);
The super-heater exit case (7) being connected with described high temperature superheater (4);
The isolated saturated vapor of described drum (1) is derived described copper and is smelted Waste-heat boiler after described steam derivation pipeline heats up.
5. copper according to claim 1 is smelted Waste-heat boiler, it is characterized in that, also comprises:
Flue gas heat exchange pipeline, described flue gas heat exchange pipeline is through described radiant box will (2), described convection current steam-generating bank (3), described high temperature superheater (4) and described low temperature superheater (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410124147.1A CN104075581A (en) | 2014-03-28 | 2014-03-28 | Copper smelting waste heat using boiler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410124147.1A CN104075581A (en) | 2014-03-28 | 2014-03-28 | Copper smelting waste heat using boiler |
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| Publication Number | Publication Date |
|---|---|
| CN104075581A true CN104075581A (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410124147.1A Pending CN104075581A (en) | 2014-03-28 | 2014-03-28 | Copper smelting waste heat using boiler |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534918A (en) * | 2014-12-26 | 2015-04-22 | 北京京诚凤凰工业炉工程技术有限公司 | Waste heat recovery thermodynamic system |
| CN114353038A (en) * | 2021-12-03 | 2022-04-15 | 上海工业锅炉(无锡)有限公司 | RTO high pressure exhaust-heat boiler |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201753911U (en) * | 2010-09-30 | 2011-03-02 | 天壕节能科技股份有限公司 | Waste heat boiler for flue gas of total oxygen combustion glass furnace |
| CN202581248U (en) * | 2012-05-14 | 2012-12-05 | 中江能源回收(上海)有限公司 | Improved rotary hearth furnace flue gas waste heat boiler device |
| CN203216292U (en) * | 2013-03-12 | 2013-09-25 | 天壕节能科技股份有限公司 | Copper pyrometallurgy flue gas residual heat utilization system |
-
2014
- 2014-03-28 CN CN201410124147.1A patent/CN104075581A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201753911U (en) * | 2010-09-30 | 2011-03-02 | 天壕节能科技股份有限公司 | Waste heat boiler for flue gas of total oxygen combustion glass furnace |
| CN202581248U (en) * | 2012-05-14 | 2012-12-05 | 中江能源回收(上海)有限公司 | Improved rotary hearth furnace flue gas waste heat boiler device |
| CN203216292U (en) * | 2013-03-12 | 2013-09-25 | 天壕节能科技股份有限公司 | Copper pyrometallurgy flue gas residual heat utilization system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534918A (en) * | 2014-12-26 | 2015-04-22 | 北京京诚凤凰工业炉工程技术有限公司 | Waste heat recovery thermodynamic system |
| CN114353038A (en) * | 2021-12-03 | 2022-04-15 | 上海工业锅炉(无锡)有限公司 | RTO high pressure exhaust-heat boiler |
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| CB02 | Change of applicant information |
Address after: Maples International Center, No. 32 Beijing 100082 Haidian District Xizhimen North Street office building B room 906 Applicant after: TOP RESOURCE CONSERVATION & ENVIRONMENT CO., LTD. Address before: Maples International Center, No. 32 Beijing 100082 Haidian District Xizhimen North Street office building B room 906 Applicant before: Top Resource Conservation Engineering Co., Ltd. |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141001 |