CN105698552A - Waste heat boiler used for electronic waste smelting furnace - Google Patents
Waste heat boiler used for electronic waste smelting furnace Download PDFInfo
- Publication number
- CN105698552A CN105698552A CN201610217429.5A CN201610217429A CN105698552A CN 105698552 A CN105698552 A CN 105698552A CN 201610217429 A CN201610217429 A CN 201610217429A CN 105698552 A CN105698552 A CN 105698552A
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- Prior art keywords
- flue
- smelting furnace
- heat boiler
- downward
- waste heat
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
- F27D17/002—Details of the installations, e.g. fume conduits or seals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
- F27D25/001—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag comprising breaking tools, e.g. hammers, drills, scrapers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
- F27D2017/006—Systems for reclaiming waste heat using a 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
Abstract
The invention discloses a waste heat boiler used for an electronic waste smelting furnace. The waste heat boiler used for the electronic waste smelting furnace comprises a furnace body and a boiler barrel. The furnace body is composed of a membrane water-cooling wall and is provided with a smoke inlet, a descending flue, a horizontal flue and a smoke outlet. A water-cooling wall of the descending flue is provided with an opening used for providing oxygen-containing gas for the interior of the flue. The boiler barrel is provided with a water inlet, a water outlet, a backflow opening and a steam outlet. The water outlet of the boiler barrel is connected with a water inlet of the membrane water-cooling wall through a descending pipe. The backflow opening of the boiler barrel is connected with a water outlet of the membrane water-cooling wall through a water return pipe. An outlet of the descending pipe is provided with a circulating pump. By means of the waste heat boiler used for the electronic waste smelting furnace in the embodiment, a large amount of heat in high-temperature smoke can be recycled, in addition, volatile organic matter in the high-temperature smoke can be combusted, and therefore the high-temperature smoke is prevented from polluting the environment.
Description
Technical field
The present invention relates to field of metallurgy, in particular to the waste heat boiler for electronic waste smelting furnace。
Background technology
In order to meet existing market demand, namely extracting the rare precious metal product in electronic waste, NRTS smelting technology is arisen at the historic moment, and waste heat boiler is one of key equipment in this technique。The flue-gas temperature produced in smelting non-ferrous metal process is high, containing a large amount of heat energy, it usually needs reclaim this partial heat energy。Waste heat boiler is used for the heat energy reclaiming in the high-temperature flue gas that smelting furnace (such as, NRTS stove) produces, and produces saturated vapor, cools flue gas。Therefore both met technique needs, and reclaimed again heat energy for Production requirement, saved the energy。
Summary of the invention
The application is based on inventor to the discovery of following facts and problem and what understanding was made: during rare precious metal in extracting electronic waste, smelt in the flue gas produced and can produce imperfect combustion volatile organic matter and two English, serious environment pollution, damages public health。
It is contemplated that one of technical problem solved at least to a certain extent in correlation technique。For this, the present invention proposes a kind of waste heat boiler for electronic waste smelting furnace。
The waste heat boiler for electronic waste smelting furnace according to embodiments of the present invention includes: body of heater, described body of heater is made up of fin panel casing, described body of heater has smoke inlet, downward-flow flue, horizontal flue and outlet flue, and described downward-flow flue water-cooling wall is provided with the opening for providing oxygen-containing gas in described downward-flow flue；And drum, described drum has water inlet, outlet, refluxing opening and steam (vapor) outlet, the outlet of described drum is connected with the water inlet of described fin panel casing by down-comer, the refluxing opening of described drum is connected with the outlet of described fin panel casing by return pipe, and the outlet of wherein said down-comer is provided with circulating pump。
The waste heat boiler for electronic waste smelting furnace according to embodiments of the present invention is possible not only to reclaim the amount of heat in this high-temperature flue gas, and can burn the volatile organic matter in this high-temperature flue gas, thus preventing this high-temperature flue gas contaminated environment。
It addition, the waste heat boiler for electronic waste smelting furnace according to the above embodiment of the present invention can also have following additional technical characteristic:
According to one embodiment of present invention, the flue of described body of heater includes downward-flow flue directed along the vertical direction and horizontal flue directed in the horizontal direction, the bottom of described downward-flow flue is connected with the first end of described horizontal flue, the wall of wherein said downward-flow flue is provided with described opening, described smoke inlet is formed in the upper end of described downward-flow flue, described outlet flue forms the second end at described horizontal flue, and described fin panel casing includes the first fin panel casing being located at described downward-flow flue and the second fin panel casing being located at described horizontal flue。
According to one embodiment of present invention, described opening is multiple, multiple described openings are located on the wall of described downward-flow flue along the vertical direction at interval, and described waste heat boiler farther includes multiple nozzle, and multiple nozzles are located at multiple described opening part correspondingly。
According to one embodiment of present invention, the bottom of described downward-flow flue is connected by non-metal expansion joint with the first end of described horizontal flue。
According to one embodiment of present invention, the upper end of described downward-flow flue is provided with explosion-proof manhole door。
According to one embodiment of present invention, the described waste heat boiler for electronic waste smelting furnace farther includes: rigidity ash bucket, described rigidity ash bucket is located on the first end of described horizontal flue and relative with described downward-flow flue in the vertical direction, is sealed by sand seal between described rigidity ash bucket and described second fin panel casing；With scraper plate Machine for cleaning-out ash, described scraper plate Machine for cleaning-out ash is located on described horizontal flue。
According to one embodiment of present invention, the described waste heat boiler for electronic waste smelting furnace farther includes spring rapping apparatus, and described spring rapping apparatus is located in the outside wall surface of described horizontal flue。
According to one embodiment of present invention, the operating pressure of the cooling water in described fin panel casing is in the scope of 0.5MPa-1.25MPa。
According to one embodiment of present invention, the described waste heat boiler for electronic waste smelting furnace farther includes: three-dimensional expansion device, and described smoke inlet is connected with described electronic waste smelting furnace by described three-dimensional expansion device。
According to one embodiment of present invention, the heat exchange area of described fin panel casing less than or equal to preset value so that the temperature of flue gas discharged of described outlet flue is be more than or equal to 600 degrees Celsius。
Accompanying drawing explanation
Fig. 1 is the structural representation of the waste heat boiler for electronic waste smelting furnace according to embodiments of the present invention；
Fig. 2 is the structural representation of the waste heat boiler for electronic waste smelting furnace according to embodiments of the present invention。
Accompanying drawing labelling:
Waste heat boiler 10, workshop steel structure 20, boiler body steelframe 30,
Body of heater 101, flue 1011, downward-flow flue 10111, horizontal flue 10112, smoke inlet 1012, outlet flue 1013, opening 1014, circulating line 1015, down-comer 10151, explosion-proof manhole door 1016,
Drum 102, circulating pump 103,
Rigidity ash bucket 1041, scraper plate Machine for cleaning-out ash 1042, spring rapping apparatus 1043,
Detailed description of the invention
Being described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings。The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to is used for explaining the present invention, and is not considered as limiting the invention。
Below with reference to the accompanying drawings the waste heat boiler 10 for electronic waste smelting furnace according to embodiments of the present invention is described。As depicted in figs. 1 and 2, the waste heat boiler 10 for electronic waste smelting furnace according to embodiments of the present invention includes body of heater 101 and drum 102。
Body of heater 101 is made up of fin panel casing, and body of heater 101 has smoke inlet 1012, downward-flow flue 10111, horizontal flue 10112 and outlet flue 1013, and the water-cooling wall of downward-flow flue 10111 is provided with the opening for providing oxygen-containing gas in downward-flow flue 10111。It is to say, the flue 1011 of body of heater 101 includes downward-flow flue 10111 and horizontal flue 10112, downward-flow flue 10111 is provided with the opening for providing oxygen-containing gas in downward-flow flue 10111。
Drum 102 has water inlet, outlet, refluxing opening and steam (vapor) outlet。The outlet of drum 102 is connected with the water inlet of fin panel casing 1015 by down-comer, and the refluxing opening of drum 102 is connected with the outlet of fin panel casing 1015 by return pipe, and wherein the outlet of down-comer 10151 is provided with circulating pump 103。
Can utilize smelting furnace that electronic waste is smelted, in order to extract the rare precious metal product in electronic waste。In the process smelting electronic waste, the flue gas (about 1300 degrees Celsius) of high temperature can be produced。The flue gas of this high temperature contains a large amount of heat energy, it is possible to use waste heat boiler reclaims a large amount of heat energy in this flue gas。
The smoke inlet 1012 for the flue 1011 of the waste heat boiler 10 of electronic waste smelting furnace according to embodiments of the present invention can connect with the outlet flue of smelting furnace or exhaust opening。The high-temperature flue gas that this smelting furnace produces is entered in flue 1011 by smoke inlet 1012, and flows towards outlet flue 1013。
The waste heat boiler 10 for electronic waste smelting furnace according to embodiments of the present invention by being provided with the opening 1014 for providing oxygen-containing gas in flue 1011 on the wall of flue 1011, thus when high-temperature flue gas flows in flue 1011, it is possible in flue 1011, provide oxygen-containing gas by opening 1014。This high-temperature flue gas thus can be made to burn in flue 1011, thus the volatile organic matter burnt in this high-temperature flue gas。
Therefore, the waste heat boiler 10 for electronic waste smelting furnace according to embodiments of the present invention is possible not only to reclaim the amount of heat in this high-temperature flue gas, and can burn the volatile organic matter in this high-temperature flue gas, thus preventing this high-temperature flue gas contaminated environment。
As depicted in figs. 1 and 2, the waste heat boiler 10 for electronic waste smelting furnace according to some embodiments of the present invention includes body of heater 101 and drum 102。
As it is shown in figure 1, in one embodiment of the invention, flue 1011 includes downward-flow flue 10111 directed along the vertical direction and horizontal flue 10112 directed in the horizontal direction。In other words, downward-flow flue 10111 is vertically extending, and horizontal flue 10112 is horizontally extending。Wherein, shown in the arrow A in above-below direction such as Fig. 1, horizontal direction is as indicated by arrow b in fig. 1。
Downward-flow flue 10111 adopts suspension rod to be suspended on the main workshop steel structure 20 of melting main building, and horizontal flue 10112 adopts supporting construction, is supported on boiler body steelframe 30。
The bottom of downward-flow flue 10111 is connected with the first end of horizontal flue 10112, and smoke inlet 1012 forms the upper end at downward-flow flue 10111, and smoke inlet 1012 connects with outlet flue or the exhaust opening of smelting furnace。Wherein, smoke inlet 1012 can be connected with electronic waste smelting furnace by three-dimensional expansion device。Outlet flue 1013 forms the second end at horizontal flue 10112。Outlet flue 1013 can be made up of high temperature resistant stainless steel material。
Circulation pipe 1015 is located between drum 102 and body of heater 101。Wherein, drum 102 is connected with circulating pump 103 by down-comer 10151, circulating pump 103 exports the tedge by circulation pipe 1015 and is connected with the distribution header of each heating surface of body of heater 101, recirculated water enters each header of body of heater 101 after the heat exchange of each heating surface, and each header of body of heater 101 is connected with drum 102 by the return pipe of circulation pipe 1015。
That is, the outlet of drum 102 is connected with the distribution header of fin panel casing by the down-comer 10151 of circulating line 1015, the refluxing opening of drum 102 is connected with the header of fin panel casing by the return pipe of circulating line 1015, and wherein, circulating line 1015 is provided with circulating pump 103。
Advantageously, as it is shown in figure 1, opening 1014 is multiple, multiple openings 1014 are located on the wall of downward-flow flue 10111 along the vertical direction at interval。Thus can burn the volatile organic matter in this high-temperature flue gas more fully, thus preventing this high-temperature flue gas contaminated environment further。By controlling the oxygen-containing gas flow of each opening 1014, thus ensureing to burn all of Organic substance composition in this high-temperature flue gas in downward-flow flue 10111。
Advantageously, multiple openings 1014 are located on the wall of downward-flow flue 10111 along the vertical direction equally spacedly。
In a concrete example of the present invention, the waste heat boiler 10 for electronic waste smelting furnace farther includes multiple nozzle (not shown), and these nozzles multiple are located at multiple opening 1014 place correspondingly。This nozzle multiple thus can be utilized to spray into oxygen-containing gas in downward-flow flue 10111。Specifically, the quantity of this nozzle can be equal to the quantity of this opening 1014, and this nozzle is located at opening 1014 place。
As it is shown in figure 1, the upper end of downward-flow flue 10111 is provided with explosion-proof manhole door 1016。It is to say, the upper end of downward-flow flue 10111 is provided with explosion-proof opening, explosion-proof manhole door 1016 is being opened on the upper end being movably arranged at downward-flow flue 10111 between the open position of this explosion-proof opening and the closed position closing this explosion-proof opening。By arranging explosion-proof manhole door 1016, such that it is able to prevent from, because burning this high-temperature flue gas in downward-flow flue 10111, deflagration accident having occurs, to improve the safety of the waste heat boiler 10 for electronic waste smelting furnace, it is to avoid the waste heat boiler 10 for electronic waste smelting furnace is damaged。
The bottom of downward-flow flue 10111 is connected by non-metal expansion joint with the first end of horizontal flue 10112。It may thereby be ensured that the sealing of the junction of the first end of the bottom of downward-flow flue 10111 and horizontal flue 10112。
As depicted in figs. 1 and 2, rigidity ash bucket 1041 and scraper plate Machine for cleaning-out ash 1042 are farther included for the waste heat boiler 10 of electronic waste smelting furnace。Rigidity ash bucket 1041 is located on the first end of horizontal flue 10112 and relative with downward-flow flue 10111 in the vertical direction, is sealed by sand seal between rigidity ash bucket 1041 and the second fin panel casing 10151。Scraper plate Machine for cleaning-out ash 1042 is located on horizontal flue 10112。
It is to say, the anterior ash disposal mode of horizontal flue 10112 adopts rigidity ash bucket 1041, rigidity ash bucket 1041 to be supported on boiler body steelframe 30, rigidity ash bucket 1041 is made up of heat-resistance stainless steel material。The rear portion ash disposal mode of horizontal flue 10112 adopts scraper plate Machine for cleaning-out ash 1042, scraper plate Machine for cleaning-out ash 1042 to be suspended to the ash bucket bottom of horizontal flue 10112。
As it is shown in figure 1, in an example of the present invention, the waste heat boiler 10 for electronic waste smelting furnace farther includes spring rapping apparatus 1043, and spring rapping apparatus 1043 is located in the outside wall surface of horizontal flue 10112。By utilizing spring rapping apparatus 1043 to pat the outside wall surface of horizontal flue 10112, such that it is able to the ashes removed on the internal face of horizontal flue 10112。By the deashing of spring rapping apparatus 1043, the temperature of the metal surface of horizontal flue 10112 significantly reduces, it is possible to improve the heat transfer efficiency of body of heater 101。
In some examples of the present invention, the water-cooling wall heat exchange area of body of heater 101 less than or equal to preset value so that the temperature of flue gas discharged of outlet flue 1013 is be more than or equal to 600 degrees Celsius。
The flue gas that melting electronic waste produces can be quickly generated two English violents in toxicity at suitable temperature (particularly 200 DEG C-500 DEG C)。The waste heat boiler 10 for electronic waste smelting furnace according to embodiments of the present invention is by controlling the water-cooling wall heat exchange area of body of heater 101, even if the water-cooling wall heat exchange area of body of heater 101 is less than or equal to this preset value, such that it is able to be effectively prevented the generation of two English。
In an example of the present invention, the operating pressure of the cooling water in the water-cooling wall of body of heater 101 is in the scope of 0.5MPa-1.25MPa。
Preferably, the operating pressure of the cooling water in fin panel casing 1015 is 1.25MPa。It is not limited only to this pressure。
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention。
Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic。Thus, define " first ", the feature of " second " can express or implicitly include at least one this feature。In describing the invention, " multiple " are meant that at least two, for instance two, three etc., unless otherwise expressly limited specifically。
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or integral；Can be mechanically connected, it is also possible to be electrical connection or each other can communication；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction。For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in the present invention as the case may be。
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact。And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of fisrt feature level height higher than second feature。Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature。
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention。In this manual, the schematic representation of above-mentioned term is necessarily directed to identical embodiment or example。And, the specific features of description, structure, material or feature can combine in one or more embodiments in office or example in an appropriate manner。Additionally, when not conflicting, the feature of the different embodiments described in this specification or example and different embodiment or example can be carried out combining and combining by those skilled in the art。
Although above it has been shown and described that embodiments of the invention, it is understandable that, above-described embodiment is illustrative of, it is impossible to be interpreted as limitation of the present invention, and above-described embodiment can be changed, revises, replace and modification by those of ordinary skill in the art within the scope of the invention。
Claims (10)
1. the waste heat boiler for electronic waste smelting furnace, it is characterised in that including:
Body of heater, described body of heater is made up of fin panel casing, and described body of heater has smoke inlet, downward-flow flue, horizontal flue and outlet flue, and described downward-flow flue water-cooling wall is provided with the opening for providing oxygen-containing gas in described downward-flow flue；With
Drum, described drum has water inlet, outlet, refluxing opening and steam (vapor) outlet, the outlet of described drum is connected with the water inlet of described fin panel casing by down-comer, the refluxing opening of described drum is connected with the outlet of described fin panel casing by return pipe, and the outlet of wherein said down-comer is provided with circulating pump。
2. the waste heat boiler for electronic waste smelting furnace according to claim 1, it is characterized in that, the flue of described body of heater includes downward-flow flue directed along the vertical direction and horizontal flue directed in the horizontal direction, the bottom of described downward-flow flue is connected with the first end of described horizontal flue, the wall of wherein said downward-flow flue is provided with described oxygenating opening, described smoke inlet is formed in the upper end of described downward-flow flue, described outlet flue forms the second end at described horizontal flue, and described downward-flow flue and described horizontal flue are made up of fin panel casing。
3. the waste heat boiler for electronic waste smelting furnace according to claim 2, it is characterized in that, described opening is multiple, multiple described openings are located on the wall of described downward-flow flue along the vertical direction at interval, described waste heat boiler farther includes multiple nozzle, and multiple nozzles are located at multiple described opening part correspondingly。
4. the waste heat boiler for electronic waste smelting furnace according to claim 2, it is characterised in that the bottom of described downward-flow flue is connected by non-metal expansion joint with the first end of described horizontal flue。
5. the waste heat boiler for electronic waste smelting furnace according to claim 2, it is characterised in that the upper end of described downward-flow flue is provided with explosion-proof manhole door。
6. the waste heat boiler for electronic waste smelting furnace according to claim 2, it is characterised in that farther include:
Rigidity ash bucket, described rigidity ash bucket is located on the first end of described horizontal flue and relative with described downward-flow flue in the vertical direction, is sealed by sand seal between described rigidity ash bucket and described second fin panel casing；With
Scraper plate Machine for cleaning-out ash, described scraper plate Machine for cleaning-out ash is located on described horizontal flue。
7. the waste heat boiler for electronic waste smelting furnace according to claim 2, it is characterised in that farther including spring rapping apparatus, described spring rapping apparatus is located in the outside wall surface of described horizontal flue。
8. the waste heat boiler for electronic waste smelting furnace according to claim 1, it is characterised in that the operating pressure of the cooling water in described fin panel casing is in the scope of 0.5MPa-1.25MPa。
9. the waste heat boiler for electronic waste smelting furnace according to claim 1, it is characterised in that farther include three-dimensional expansion device, described smoke inlet is connected with described electronic waste smelting furnace by described three-dimensional expansion device。
10. according to any one of claim 1-9 for the waste heat boiler of electronic waste smelting furnace, it is characterised in that the heat exchange area of described fin panel casing less than or equal to preset value so that the temperature of flue gas discharged of described outlet flue is be more than or equal to 600 degrees Celsius。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610217429.5A CN105698552B (en) | 2016-04-08 | 2016-04-08 | Waste heat boiler for electronic waste smelting furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610217429.5A CN105698552B (en) | 2016-04-08 | 2016-04-08 | Waste heat boiler for electronic waste smelting furnace |
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| CN105698552A true CN105698552A (en) | 2016-06-22 |
| CN105698552B CN105698552B (en) | 2019-02-05 |
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| JPH09250730A (en) * | 1996-03-15 | 1997-09-22 | Nippon Steel Corp | Cooler for screw conveyor |
| CN201318806Y (en) * | 2008-12-19 | 2009-09-30 | 安徽金鼎锅炉股份有限公司 | Heat-exchanging and dust-removing flue of waste heat boiler |
| CN202747313U (en) * | 2012-07-31 | 2013-02-20 | 山东华源锅炉有限公司 | Waste heat boiler for comprehensive utilization of industrial waste in aluminum factory |
| CN202835390U (en) * | 2012-08-15 | 2013-03-27 | 中国船舶重工集团公司第七一一研究所 | Waste incinerator with heat recovery steam generator |
| CN104807021A (en) * | 2014-01-26 | 2015-07-29 | 北京航天动力研究所 | Process and system for treating vinyl cyanide tail gas by high temperature burning method |
| CN205607169U (en) * | 2016-04-08 | 2016-09-28 | 中国瑞林工程技术有限公司 | A exhaust -heat boiler for electronic waste smelting furnace |
-
2016
- 2016-04-08 CN CN201610217429.5A patent/CN105698552B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09250730A (en) * | 1996-03-15 | 1997-09-22 | Nippon Steel Corp | Cooler for screw conveyor |
| CN201318806Y (en) * | 2008-12-19 | 2009-09-30 | 安徽金鼎锅炉股份有限公司 | Heat-exchanging and dust-removing flue of waste heat boiler |
| CN202747313U (en) * | 2012-07-31 | 2013-02-20 | 山东华源锅炉有限公司 | Waste heat boiler for comprehensive utilization of industrial waste in aluminum factory |
| CN202835390U (en) * | 2012-08-15 | 2013-03-27 | 中国船舶重工集团公司第七一一研究所 | Waste incinerator with heat recovery steam generator |
| CN104807021A (en) * | 2014-01-26 | 2015-07-29 | 北京航天动力研究所 | Process and system for treating vinyl cyanide tail gas by high temperature burning method |
| CN205607169U (en) * | 2016-04-08 | 2016-09-28 | 中国瑞林工程技术有限公司 | A exhaust -heat boiler for electronic waste smelting furnace |
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|---|---|
| CN105698552B (en) | 2019-02-05 |
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