CN202733938U - Waste heat boiler for scrap copper smelting furnace - Google Patents
Waste heat boiler for scrap copper smelting furnace Download PDFInfo
- Publication number
- CN202733938U CN202733938U CN2012204044344U CN201220404434U CN202733938U CN 202733938 U CN202733938 U CN 202733938U CN 2012204044344 U CN2012204044344 U CN 2012204044344U CN 201220404434 U CN201220404434 U CN 201220404434U CN 202733938 U CN202733938 U CN 202733938U
- Authority
- CN
- China
- Prior art keywords
- waste heat
- heat boiler
- smelting furnace
- composition brass
- furnace according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
Abstract
The utility model provides a waste heat boiler which comprises a boiler body internally provided with a flue gas passageway, wherein the flue gas passageway is provided with a flue gas inlet and a flue gas outlet, the boiler body is composed of a membrane wall, and a corrosion-resistant material layer is formed through surfacing welding on a preset length of an inner surface of the boiler body, with the length starting from the flue gas inlet. According to the waste heat boiler for a scrap copper smelting furnace, because a compact protective layer is formed through surfacing welding on a preset length of the inner surface of the boiler body, with the length starting from the flue gas inlet, an erosion effect of the high temperature flue gas on the boiler body can be effectively prevented, operation safety of the waste heat boiler can be ensured, and service life of the waste heat boiler is prolonged.
Description
Technical field
The utility model relates to a kind of waste heat boiler for useless composition brass smelting furnace.
Background technology
In order to satisfy the existing market demand, namely utilize the copper scrap resource to refine smart copper products, the top-blown converter smelting technology is arisen at the historic moment, and waste heat boiler is one of key equipment in this technique.The flue-gas temperature that produces in the smelting non-ferrous metal process is high, contains a large amount of heat energy, usually needs to reclaim this part heat energy.Waste heat boiler is commonly used to reclaim the heat energy in the high-temperature flue gas that smelting furnace (for example, top-blown converter) produces, and produces saturated vapor, has cooled off flue gas.Therefore both satisfy arts demand, reclaimed again heat energy for the production of demand, saved the energy.
Yet, be applied to the regeneration technique of copper scrap resource when smelting furnace, be that it raw materials usedly is useless composition brass, some is electronic waste, smelt in the flue gas that produces and have halogens and the gases thereof such as a small amount of Cl, F, Br, and this class material causes high temperature corrosion in the entrance high-temperature region of waste heat boiler to metal heated face, has shortened the service life of waste heat boiler.
The utility model content
The application is the utility model people based on discovery and understanding to the following fact: for the smelting furnace of the useless composition brass of melting, some is electronic waste because in the useless composition brass, contain the halogens such as Cl, F, Br etc. in the flue gas that in fusion process, produces, contain the material of these elements in waste heat boiler, especially high temperature corrosion can be caused to the body of heater heating surface in the high-temperature region of the entrance that links to each other with smelting furnace of waste heat boiler, thereby causes the waste heat boiler life-span to shorten dramatically.
And utility model people also recognizes: the flue gas of the useless composition brass of melting is the rapid Sheng Cheng bioxin extremely toxic substance of meeting under suitable environment, and serious environment pollution damages public health.
The application is the melting characteristics that the utility model people has considered useless composition brass, in the situation that guarantee useless composition brass normal smelting, the life-span of improving waste heat boiler, save cost, energy savings improves the feature of environmental protection.
The utility model one of is intended to solve the problems of the technologies described above at least to a certain extent or provides at least a kind of useful commerce to select.For this reason, a purpose of the present utility model is to propose a kind of waste heat boiler that is used for useless composition brass smelting furnace of avoiding high temperature corrosion, increasing the service life.
Waste heat boiler according to the utility model embodiment, comprise: body of heater, has exhaust gases passes in the described body of heater, described exhaust gases passes has into mouth and outlet flue, described body of heater is made of fin panel casing, wherein is formed with etch resistant material layer by built-up welding from the inner surface of the described body of heater that advances the predetermined length the mouth.
Thus; the waste heat boiler that is used for useless composition brass smelting furnace according to the utility model embodiment; by processing to form fine and close protective layer in the enterprising windrow weldering of the inner surface of the body of heater of the predetermined length from advancing mouth; therefore can effectively prevent high-temperature flue gas to the corrosion function of the inner surface of body of heater; guarantee the safe operation of waste heat boiler, prolonged the service life of waste heat boiler.
In addition, the waste heat boiler that is used for useless composition brass smelting furnace according to the utility model embodiment can also have following additional technical feature:
According to an embodiment of the present utility model, described etch resistant material layer is the nichrome layer.
According to an embodiment of the present utility model, the pressure of the cooling water in the described fin panel casing is at 0.5-1.25MPa.
According to an embodiment of the present utility model, described pressure is 1.25MPa.
According to an embodiment of the present utility model, described body of heater comprises: the ascent stage; Changeover portion, an end of described changeover portion link to each other with the upper end of described ascent stage and the lower end of described ascent stage forms the described mouth that advances; And descending branch, the upper end of described descending branch links to each other with the other end of described changeover portion and the lower end of described descending branch forms described outlet flue.
According to an embodiment of the present utility model, described changeover portion is inverted V-shaped.
According to an embodiment of the present utility model, described descending branch is extended along vertical.
According to an embodiment of the present utility model, the described ascent stage comprises: the rising epimere, and described rising epimere extends along vertical, and the upper end of described rising epimere links to each other with described changeover portion; And entrance, the upper end of described entrance links to each other with the lower end of described rising epimere, and described entrance is obliquely installed.
According to an embodiment of the present utility model, described etch resistant material layer is formed on the inner surface of described entrance.
According to an embodiment of the present utility model, described entrance links to each other by the three-dimensional expansion device with described rising epimere.
According to an embodiment of the present utility model, also comprise the spring rapping apparatus, described rapping apparatus is located at outside the described body of heater, for the ashes of removing by the outside wall surface of patting described body of heater on the described inboard wall of furnace body face.
According to an embodiment of the present utility model, the flue-gas temperature of described outlet flue is controlled to be more than 500 degrees centigrade.
According to an embodiment of the present utility model, the flue-gas temperature of described outlet flue is controlled to be 550-600 degree centigrade.
According to an embodiment of the present utility model, also comprise drum, described drum has for the feed water inlet of supplying water in drum, delivery port, refluxing opening and is used for discharging the steam (vapor) outlet of the steam in the described drum, and described delivery port and described refluxing opening are communicated with the inner chamber of described fin panel casing by pipeline respectively.
According to an embodiment of the present utility model, the pipeline between described delivery port and the described fin panel casing is provided with circulating pump.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the front view according to the waste heat boiler of the utility model embodiment; And
Fig. 2 is the left view according to the waste heat boiler of the utility model embodiment.
The specific embodiment
The below describes embodiment of the present utility model in detail, and the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center "; " vertically "; " laterally "; " length "; " width "; " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of indications such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only be for convenience of description the utility model and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " a plurality of " is two or more, unless clear and definite concrete restriction is arranged in addition.
In the utility model, unless clear and definite regulation and restriction are arranged in addition, broad understanding should be done in the terms such as term " installation ", " linking to each other ", " connection ", " fixing ", for example, can be to be fixedly connected with, and also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can indirectly link to each other by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the utility model, unless clear and definite regulation and restriction are arranged in addition, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, can comprise that also the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that the First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that the First Characteristic level height is less than Second Characteristic.
The waste heat boiler that is used for useless composition brass smelting furnace according to the utility model embodiment is described below with reference to Fig. 1 and Fig. 2.
Description comprises according to the waste heat boiler that the utility model embodiment is used for useless composition brass smelting furnace: body of heater 1.Have exhaust gases passes in the body of heater 1, exhaust gases passes has into mouth 11 and outlet flue 12, and body of heater 1 is made of fin panel casing.Cooling water flows in the pattern water-cooling wall, with to cooling off from advancing the high-temperature flue gas that mouth 11 enters and discharge from outlet flue 12.
(being on the inwall of pattern water-cooling wall) is formed with etch resistant material layer by built-up welding on the inner surface of the body of heater 1 of the predetermined length from advancing mouth 11.Because the inner surface to body of heater 1 in the highest zone of temperature is formed with etch resistant material layer, therefore, effectively prevents the corrosion function of high-temperature flue gas.In addition, this predetermined length can suitably be adjusted as the case may be, to satisfy under the different operating modes farthest the protection to body of heater 1.
Preferably, etch resistant material layer is the nichrome layer, therefore can be to forming the protective layer of erosion-resisting densification on the inner surface of body of heater 1.
Thus; the waste heat boiler that is used for useless composition brass smelting furnace according to the utility model embodiment; by processing to form fine and close protective layer in the enterprising windrow weldering of the inner surface of the body of heater 1 of the predetermined length from advancing mouth 11; therefore can effectively prevent high-temperature flue gas to the corrosion function of the inner surface of body of heater 1; guarantee the safe operation of waste heat boiler, prolonged the service life of waste heat boiler.
According to embodiment more of the present utility model, as depicted in figs. 1 and 2, the waste heat boiler that is used for useless composition brass smelting furnace also comprises drum 2.Drum 2 has for the feed water inlet of supplying water in drum, delivery port 21, refluxing opening 22 and is used for discharging the steam (vapor) outlet of the steam in the drum.Delivery port 21 and refluxing opening 22 are communicated with the inner chamber of fin panel casing by pipeline respectively.
Pipeline between delivery port 21 and fin panel casing is provided with circulating pump, so that cooling water is formed forced circulation, improves cooling effect.
Body of heater 1 comprises: ascent stage 13, changeover portion 14 and descending branch 15.One end of changeover portion 14 links to each other with the upper end of ascent stage 13 and the lower end of ascent stage 13 forms into mouth 11.The upper end of descending branch 15 links to each other with the other end of changeover portion 14 and the lower end of descending branch 15 forms mouth 12.Changeover portion 14 is inverted V-shaped, in order to be communicated with ascent stage 13 and descending branch 15.Descending branch 15 is extended along vertical.Ascent stage 13 comprises: rising epimere 131 and entrance 132.Rising epimere 131 extends along vertical, and the upper end of rising epimere 131 links to each other with changeover portion 14.The upper end of entrance 132 links to each other with the lower end of rising epimere 131.Entrance is obliquely installed, the top-blown converter (28 ° of horizontal sextant angles) that is obliquely installed with cooperation.
Entrance 132 links to each other by the three-dimensional expansion device with rising epimere 131, to guarantee the sealing of junction.
Etch resistant material layer can be formed on the inner surface of entrance 132, because entrance 132 contacts with the high-temperature flue gas that just enters exhaust gases passes, therefore form etch resistant material layer by the inner surface at entrance 132, can effectively prevent the erosion to body of heater 1.
According to other embodiment of the present utility model, the operating pressure of the cooling water in the fin panel casing is controlled at 0.5-1.25MPa.By the operating pressure of control cooling water, namely control the temperature of cooling water, come the control valve wall temperature.
Thus, by control cooling water operating pressure, can effectively control the temperature of cooling water, thereby reduce the temperature of body of heater 1 metal surface, finally reduce the inside corrosion scope of flue gas to body of heater 1.Preferably, the operating pressure of cooling water is set as 1.25MPa, has so both satisfied arts demand, and relative efficiency ground has reduced the temperature of cooling water simultaneously.
The waste heat boiler that is used for useless composition brass smelting furnace of the utility model embodiment also comprises spring rapping apparatus 3.Rapping apparatus 3 is located at the outside of body of heater 1, is used for by the ashes on outside wall surface removing body of heater 1 inner surface of patting body of heater 1.
By the deashing of rapping apparatus 3, the temperature of the metal surface of body of heater 1 has remarkable reduction, therefore can reach equally to reduce flue gas to the inner metal surface corrosion scope of body of heater 1.
In addition, the flue-gas temperature of outlet flue 12 should be controlled at more than 500 ℃.The utility model the people recognize: the flue gas of the useless composition brass of melting is understood rapid Sheng Cheng bioxin violent in toxicity, particularly temperature between 200-500 ℃ under suitable temperature.Therefore, the flue-gas temperature of outlet flue 12 is controlled at outside this scope, can effectively prevents the generation of bioxin.Preferably, the flue-gas temperature at outlet flue 12 places is controlled to be 550-600 ℃.
In order to reduce the generation of bioxin, protection of the environment, the flue gas of discharging from waste heat boiler can reduce rapidly, shortens flue gas as far as possible and is detained time in the 200-500 ℃ of scope, can quenching apparatus be set at outlet flue 12 places, for example the water-cooled spray tower.
Other formations of waste heat boiler that are used for useless composition brass smelting furnace according to the utility model embodiment can be well known by persons skilled in the art, do not repeat them here.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although the above has illustrated and has described embodiment of the present utility model, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art is not in the situation that break away from principle of the present utility model and aim can change above-described embodiment, modification, replacement and modification in scope of the present utility model.
Claims (15)
1. waste heat boiler that is used for useless composition brass smelting furnace, it is characterized in that, comprise: body of heater, has exhaust gases passes in the described body of heater, described exhaust gases passes has into mouth and outlet flue, described body of heater is made of fin panel casing, wherein is formed with etch resistant material layer by built-up welding from the inner surface of the described body of heater that advances the predetermined length the mouth.
2. the waste heat boiler for useless composition brass smelting furnace according to claim 1, it is characterized in that: described etch resistant material layer is the nichrome layer.
3. the waste heat boiler for useless composition brass smelting furnace according to claim 1, it is characterized in that: the pressure of the cooling water in the described fin panel casing is at 0.5-1.25MPa.
4. the waste heat boiler for useless composition brass smelting furnace according to claim 3, it is characterized in that: described pressure is 1.25MPa.
5. the waste heat boiler for useless composition brass smelting furnace according to claim 1, it is characterized in that: described body of heater comprises:
Ascent stage;
Changeover portion, an end of described changeover portion link to each other with the upper end of described ascent stage and the lower end of described ascent stage forms the described mouth that advances; With
Descending branch, the upper end of described descending branch link to each other with the other end of described changeover portion and the lower end of described descending branch forms described outlet flue.
6. the waste heat boiler for useless composition brass smelting furnace according to claim 5, it is characterized in that: described changeover portion is inverted V-shaped.
7. the waste heat boiler for useless composition brass smelting furnace according to claim 6 is characterized in that: the vertical extension in described descending branch edge.
8. the waste heat boiler for useless composition brass smelting furnace according to claim 6, it is characterized in that: the described ascent stage comprises:
The rising epimere, described rising epimere extends along vertical, and the upper end of described rising epimere links to each other with described changeover portion; With
Entrance, the upper end of described entrance links to each other with the lower end of described rising epimere, and described entrance is obliquely installed.
9. the waste heat boiler for useless composition brass smelting furnace according to claim 8, it is characterized in that: described etch resistant material layer is formed on the inner surface of described entrance.
10. the waste heat boiler for useless composition brass smelting furnace according to claim 8, it is characterized in that: described entrance links to each other by the three-dimensional expansion device with described rising epimere.
11. the waste heat boiler for useless composition brass smelting furnace according to claim 1, it is characterized in that: also comprise the spring rapping apparatus, described rapping apparatus is located at outside the described body of heater, is used for removing the ashes on the described inboard wall of furnace body face by patting the outside wall surface of described body of heater.
12. the waste heat boiler for useless composition brass smelting furnace according to claim 1, it is characterized in that: the flue-gas temperature of described outlet flue is controlled to be more than 500 degrees centigrade.
13. the waste heat boiler for useless composition brass smelting furnace according to claim 12, it is characterized in that: the flue-gas temperature of described outlet flue is controlled to be 550-600 degree centigrade.
14. each described waste heat boiler for useless composition brass smelting furnace according to claim 1-13, it is characterized in that: also comprise drum, described drum has for the feed water inlet of supplying water in drum, delivery port, refluxing opening and is used for discharging the steam (vapor) outlet of the steam in the described drum, and described delivery port and described refluxing opening are communicated with the inner chamber of described fin panel casing by pipeline respectively.
15. the waste heat boiler for useless composition brass smelting furnace according to claim 14, it is characterized in that: the pipeline between described delivery port and the described fin panel casing is provided with circulating pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204044344U CN202733938U (en) | 2012-08-15 | 2012-08-15 | Waste heat boiler for scrap copper smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204044344U CN202733938U (en) | 2012-08-15 | 2012-08-15 | Waste heat boiler for scrap copper smelting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202733938U true CN202733938U (en) | 2013-02-13 |
Family
ID=47659633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204044344U Expired - Lifetime CN202733938U (en) | 2012-08-15 | 2012-08-15 | Waste heat boiler for scrap copper smelting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202733938U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788363A (en) * | 2012-08-15 | 2012-11-21 | 中国瑞林工程技术有限公司 | Waste heat boiler used for scrap copper smelting furnace |
| CN103471075A (en) * | 2013-09-23 | 2013-12-25 | 中国瑞林工程技术有限公司 | Forced circulation and natural circulation combination waste heat boiler for copper refining furnace |
-
2012
- 2012-08-15 CN CN2012204044344U patent/CN202733938U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788363A (en) * | 2012-08-15 | 2012-11-21 | 中国瑞林工程技术有限公司 | Waste heat boiler used for scrap copper smelting furnace |
| CN103471075A (en) * | 2013-09-23 | 2013-12-25 | 中国瑞林工程技术有限公司 | Forced circulation and natural circulation combination waste heat boiler for copper refining furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102796875B (en) | Zinc leaching residue treatment unit and treatment process | |
| CN106190326A (en) | Coal gasification equipment | |
| CN101699204A (en) | Efficient and environment-friendly melting furnace for recycling the scrap aluminum | |
| CN202733938U (en) | Waste heat boiler for scrap copper smelting furnace | |
| CN102899497A (en) | Zinc leaching slag treatment device and treatment process | |
| CN102788363A (en) | Waste heat boiler used for scrap copper smelting furnace | |
| CN104801531A (en) | System for fusing and cracking industrial sludge with plasma and treatment technology of system | |
| CN104946826A (en) | Metallurgical slag waste heat recovery equipment and method | |
| CN112902683A (en) | Electric furnace flue gas treatment system, environment-friendly steelmaking electric arc furnace and electric furnace steelmaking production method | |
| KR101242575B1 (en) | The melting furnace which comprises a cooling equipment for slag discharging hole | |
| CN204022749U (en) | A kind of on original coke quenching tower improved coke quenching device | |
| CN204602789U (en) | A kind of plasma fusion cracking industrial sludge system | |
| CN203602694U (en) | Bilateral blowing smelting equipment | |
| CN205607169U (en) | A exhaust -heat boiler for electronic waste smelting furnace | |
| CN103045867A (en) | Automatic melting ferro-aluminium chamber furnace of recycled aluminium | |
| CN202329114U (en) | Fluidization fluidizing reactor | |
| CN103923668A (en) | Improved quenching method and device based on original quenching tower | |
| CN203824332U (en) | Melt conveying device | |
| CN203602695U (en) | Side-blown smelting device | |
| CN202836193U (en) | Low pollution lead smelting furnace heating device | |
| CN102515103B (en) | Technology for secondarily producing medium pressure steam during synthesizing chlorine and hydrogen into hydrogen chloride and equipment thereof | |
| CN102086481A (en) | Coal gas waste heat boiler | |
| CN203642663U (en) | Shaft furnace anti-collision furnace wall and shaft furnace | |
| CN201575695U (en) | Efficient and environmental-protection aluminum scrap recovery melting furnace | |
| CN103555965A (en) | Double-side blowing smelting equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |