CN105698552B - Waste Heat Boiler for Electronic Scrap Smelting Furnace - Google Patents

Waste Heat Boiler for Electronic Scrap Smelting Furnace Download PDF

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Publication number
CN105698552B
CN105698552B CN201610217429.5A CN201610217429A CN105698552B CN 105698552 B CN105698552 B CN 105698552B CN 201610217429 A CN201610217429 A CN 201610217429A CN 105698552 B CN105698552 B CN 105698552B
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CN
China
Prior art keywords
flue
waste heat
smelting furnace
heat boiler
outlet
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CN201610217429.5A
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Chinese (zh)
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CN105698552A (en
Inventor
李方强
宋冬根
杨平
刘攀
林欢欢
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China Ruim Engineering Technology Ltd By Share Ltd
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China Ruim Engineering Technology Ltd By Share Ltd
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Priority to CN201610217429.5A priority Critical patent/CN105698552B/en
Publication of CN105698552A publication Critical patent/CN105698552A/en
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Classifications

    • 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
    • F27D17/10—Arrangements for using waste heat
    • 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
    • F27D17/10—Arrangements for using waste heat
    • F27D17/15—Arrangements for using waste heat using boilers
    • 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
    • F27D17/30—Arrangements for extraction or collection of waste gases; Hoods therefor
    • F27D17/302—Constructional details of ancillary components, e.g. waste gas conduits or seals
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

The invention discloses a kind of waste heat boilers for electronic waste smelting furnace, the waste heat boiler for electronic waste smelting furnace includes: furnace body, the furnace body is made of fin panel casing, the furnace body has smoke inlet, downward-flow flue, horizontal flue and outlet flue, and the downward-flow flue water-cooling wall is equipped with for providing the opening of oxygen-containing gas into the flue；And drum, drum has water inlet, water outlet, refluxing opening and steam (vapor) outlet, the water outlet of drum is connected by down-comer with the water inlet of fin panel casing, and the refluxing opening of drum is connected by return pipe with the water outlet of fin panel casing, and wherein the outlet of down-comer is equipped with circulating pump.Waste heat boiler according to an embodiment of the present invention for electronic waste smelting furnace can not only recycle the amount of heat in the high-temperature flue gas, but also can burn the volatile organic matter in the high-temperature flue gas, to prevent the high-temperature flue gas from polluting environment.

Description

Waste heat boiler for electronic waste smelting furnace
Technical field
The present invention relates to field of metallurgy, in particular to the waste heat boiler for electronic waste smelting furnace.
Background technique
In order to meet existing market demand, i.e. rare precious metal product in extraction electronic waste, NRTS smelting technology is met the tendency of And give birth to, waste heat boiler is one of key equipment in the technique.The flue-gas temperature generated during smelting non-ferrous metal is high, containing big Calorimetric energy, it usually needs recycle this partial heat energy.Waste heat boiler is used to recycle the high temperature cigarette of smelting furnace (for example, NRTS furnace) generation Thermal energy in gas produces saturated vapor, cools flue gas.Therefore not only meet process requirement, but also recycled thermal energy for produce need It asks, has saved the energy.
Summary of the invention
The application is to be made based on inventor to the discovery of following facts and problem and understanding: in extracting electronic waste Rare precious metal when, imperfect combustion volatile organic matter and dioxin can be generated by smelting in the flue gas of generation, serious to pollute Environment damages public health.
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention mentions A kind of waste heat boiler for electronic waste smelting furnace out.
Waste heat boiler according to an embodiment of the present invention for electronic waste smelting furnace includes: furnace body, and the furnace body is by film Formula water-cooling wall is constituted, and the furnace body has smoke inlet, downward-flow flue, horizontal flue and outlet flue, the downward-flow flue water-cooling wall It is equipped with for providing the opening of oxygen-containing gas into the downward-flow flue；And drum, the drum have water inlet, water outlet The water outlet of mouth, refluxing opening and steam (vapor) outlet, the drum is connected by down-comer with the water inlet of the fin panel casing, institute The refluxing opening for stating drum is connected by return pipe with the water outlet of the fin panel casing, wherein the outlet of the down-comer is equipped with Circulating pump.
Waste heat boiler according to an embodiment of the present invention for electronic waste smelting furnace can not only recycle the high-temperature flue gas In amount of heat, and the volatile organic matter in the high-temperature flue gas can be burnt, to prevent the high-temperature flue gas from polluting Environment.
In addition, the waste heat boiler according to the above embodiment of the present invention for electronic waste smelting furnace can also have it is as follows Additional technical characteristic:
According to one embodiment of present invention, the flue of the furnace body includes the downward-flow flue oriented along the vertical direction and edge The horizontal flue of horizontal direction orientation, the lower end of the downward-flow flue are connected with the first end of the horizontal flue, wherein The wall surface of the downward-flow flue is equipped with the opening, and the smoke inlet is formed in the upper end of the downward-flow flue, it is described go out Mouth is formed in the second end of the horizontal flue, and the fin panel casing includes the first membrane type for being located at the downward-flow flue Water-cooling wall and the second fin panel casing for being located at the horizontal flue.
According to one embodiment of present invention, the opening is multiple, and multiple openings are along the vertical direction at interval It is located on the wall surface of the downward-flow flue, the waste heat boiler further comprises multiple nozzles, and multiple nozzles are set correspondingly In multiple openings.
According to one embodiment of present invention, the first end of the lower end of the downward-flow flue and the horizontal flue is logical Non-metal expansion joint is crossed to be connected.
According to one embodiment of present invention, the upper end of the downward-flow flue is equipped with explosion-proof manhole door.
According to one embodiment of present invention, the waste heat boiler for electronic waste smelting furnace further comprises: just Property ash bucket, it is described rigidity ash bucket be located on the first end of the horizontal flue and in the up-down direction with the downward-flow flue phase It is right, it is sealed between the rigidity ash bucket and second fin panel casing by sand seal；With scraper plate Machine for cleaning-out ash, the scraper plate ash disposal Machine is located on the horizontal flue.
According to one embodiment of present invention, the waste heat boiler for electronic waste smelting furnace further comprises spring Rapping apparatus, the spring rapping apparatus are located in the outside wall surface of the horizontal flue.
According to one embodiment of present invention, the operating pressure of the cooling water in the fin panel casing is in 0.5MPa- In the range of 1.25MPa.
According to one embodiment of present invention, the waste heat boiler for electronic waste smelting furnace further comprises: three Expansion device is tieed up, the smoke inlet is connected by the three-dimensional expansion device with the electronic waste smelting furnace.
According to one embodiment of present invention, the heat exchange area of the fin panel casing is less than or equal to preset value so as to described The temperature of the flue gas of outlet flue discharge is more than or equal to 600 degrees Celsius.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the waste heat boiler according to an embodiment of the present invention for electronic waste smelting furnace；
Fig. 2 is the structural schematic diagram of the waste heat boiler according to an embodiment of the present invention for electronic waste smelting furnace.
Appended drawing reference:
Waste heat boiler 10, workshop steel structure 20, boiler body steelframe 30,
Furnace body 101, downward-flow flue 10111, horizontal flue 10112, smoke inlet 1012, outlet flue 1013, is opened flue 1011 Mouthfuls 1014, circulating line 1015, down-comer 10151, explosion-proof manhole door 1016,
Drum 102, circulating pump 103,
Rigid ash bucket 1041, scraper plate Machine for cleaning-out ash 1042, spring rapping apparatus 1043,
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings waste heat boiler 10 according to an embodiment of the present invention for electronic waste smelting furnace is described.Such as figure Shown in 1 and Fig. 2, the waste heat boiler 10 according to an embodiment of the present invention for electronic waste smelting furnace includes furnace body 101 and drum 102。
Furnace body 101 is made of fin panel casing, and furnace body 101 has smoke inlet 1012, downward-flow flue 10111, horizontal flue 10112 and outlet flue 1013, the water-cooling wall of downward-flow flue 10111 is equipped with oxygenous for providing into downward-flow flue 10111 The opening of body.That is, the flue 1011 of furnace body 101 includes downward-flow flue 10111 and horizontal flue 10112, downward-flow flue 10111 are equipped with for providing the opening of oxygen-containing gas into downward-flow flue 10111.
Drum 102 has water inlet, water outlet, refluxing opening and steam (vapor) outlet.The water outlet of drum 102 by down-comer with The water inlet of fin panel casing 1015 is connected, and the refluxing opening of drum 102 passes through the water outlet of return pipe and fin panel casing 1015 It is connected, wherein the outlet of down-comer 10151 is equipped with circulating pump 103.
It can use smelting furnace to smelt electronic waste, to extract the rare precious metal product in electronic waste.? During smelting electronic waste, the flue gas (about 1300 degrees Celsius) of high temperature can be generated.The flue gas of the high temperature contains big calorimetric Can, it can use waste heat boiler to recycle a large amount of thermal energy in the flue gas.
The smoke inlet of the flue 1011 of waste heat boiler 10 according to an embodiment of the present invention for electronic waste smelting furnace 1012 can be connected to the outlet flue of smelting furnace or smoke outlet.The high-temperature flue gas that the smelting furnace generates is entered by smoke inlet 1012 In flue 1011, and flowed towards outlet flue 1013.
Waste heat boiler 10 according to an embodiment of the present invention for electronic waste smelting furnace passes through the wall surface in flue 1011 It is equipped with for providing the opening 1014 of oxygen-containing gas into flue 1011, to be flowed in flue 1011 in high-temperature flue gas When, oxygen-containing gas can be provided into flue 1011 by opening 1014.It is possible thereby to make the high-temperature flue gas in flue 1011 Burning, to burn the volatile organic matter in the high-temperature flue gas.
Therefore, the waste heat boiler 10 according to an embodiment of the present invention for electronic waste smelting furnace can not only recycle the height Amount of heat in warm flue gas, and the volatile organic matter in the high-temperature flue gas can be burnt, to prevent the high temperature cigarette Gas pollutes 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 Including furnace body 101 and drum 102.
As shown in Figure 1, in one embodiment of the invention, flue 1011 includes the downward-flow flue oriented along the vertical direction 10111 and the horizontal flue 10112 that orients in the horizontal direction.In other words, downward-flow flue 10111 vertically extends, horizontal Flue 10112 is horizontally extending.Wherein, shown in the arrow A of up and down direction as shown in figure 1, the arrow of horizontal direction as shown in figure 1 Shown in B.
Downward-flow flue 10111 is suspended on the main workshop steel structure 20 of melting main building using sunpender, horizontal flue 10112 Using support construction, it is supported on boiler body steelframe 30.
The lower end of downward-flow flue 10111 is connected with the first end of horizontal flue 10112, and smoke inlet 1012 is formed in down The upper end of flue 10111 drops, and smoke inlet 1012 is connected to the outlet flue of smelting furnace or smoke outlet.Wherein, smoke inlet 1012 can To be connected by three-dimensional expansion device with electronic waste smelting furnace.Outlet flue 1013 is formed in the second end of horizontal flue 10112 Portion.Outlet flue 1013 can be made of high temperature resistant stainless steel material.
Circulation pipe 1015 is located between drum 102 and furnace body 101.Wherein, drum 102 passes through down-comer 10151 and circulation Pump 103 is connected, and the outlet of circulating pump 103 is connected by the tedge of circulation pipe 1015 with the distribution header of each heating surface of furnace body 101, Recirculated water enters each header of furnace body 101 after the heat exchange of each heating surface, and each header of furnace body 101 passes through circulation pipe 1015 return pipe is connected with drum 102.
That is, the water outlet of drum 102 passes through the down-comer 10151 of circulating line 1015 and point of fin panel casing It is connected with header, the refluxing opening of drum 102 is connected by the return pipe of circulating line 1015 with the header of fin panel casing, Wherein, circulating line 1015 is equipped with circulating pump 103.
Advantageously, as shown in Figure 1, opening 1014 is multiple, multiple openings 1014 are located at down at interval along the vertical direction On the wall surface for dropping flue 10111.It is possible thereby to the volatile organic matter in the high-temperature flue gas is more fully burnt, thus into One step prevents the high-temperature flue gas from polluting environment.By controlling the oxygen-containing gas flow of each opening 1014, to guarantee declining Organic matter composition all in the high-temperature flue gas is burnt in flue 10111.
Advantageously, multiple openings 1014 are equally spacedly located at along the vertical direction on the wall surface of downward-flow flue 10111.
It in a specific example of the invention, further comprise multiple for the waste heat boiler 10 of electronic waste smelting furnace Nozzle (not shown), multiple nozzles are located at correspondingly at multiple openings 1014.It is possible thereby to utilize multiple sprays Mouth sprays into oxygen-containing gas into downward-flow flue 10111.Specifically, the quantity of the nozzle can be equal to the number of the opening 1014 Amount, and the nozzle is located at an opening 1014.
As shown in Figure 1, the upper end of downward-flow flue 10111 is equipped with explosion-proof manhole door 1016.That is, downward-flow flue 10111 upper end is equipped with explosion-proof opening, this is anti-in the open position and closing for opening the explosion-proof opening for explosion-proof manhole door 1016 Pop mouth closed position between be movably arranged on the upper end of downward-flow flue 10111.By the way that explosion-proof manhole door is arranged 1016, so as to prevent that deflagration accident occurs because burning the high-temperature flue gas in downward-flow flue 10111, it is used for improve The safety of the waste heat boiler 10 of electronic waste smelting furnace avoids the waste heat boiler 10 for electronic waste smelting furnace from being damaged.
The lower end of downward-flow flue 10111 is connected with the first end of horizontal flue 10112 by non-metal expansion joint.By This may insure the leakproofness of the junction of the lower end of downward-flow flue 10111 and the first end of horizontal flue 10112.
It as depicted in figs. 1 and 2, further comprise rigid 1041 He of ash bucket for the waste heat boiler 10 of electronic waste smelting furnace Scraper plate Machine for cleaning-out ash 1042.Rigid ash bucket 1041 be located on the first end of horizontal flue 10112 and in the up-down direction with decline Flue 10111 is opposite, is sealed between rigid ash bucket 1041 and the second fin panel casing 10151 by sand seal.Scraper plate Machine for cleaning-out ash 1042 are located on horizontal flue 10112.
That is, the front ash disposal mode of horizontal flue 10112, using rigid ash bucket 1041, rigid ash bucket 1041 supports In on boiler body steelframe 30, rigid ash bucket 1041 is made of heat-resistance stainless steel material.The rear portion ash disposal side of horizontal flue 10112 Formula uses scraper plate Machine for cleaning-out ash 1042, and scraper plate Machine for cleaning-out ash 1042 is suspended to the ash bucket lower part of horizontal flue 10112.
As shown in Figure 1, the waste heat boiler 10 for electronic waste smelting furnace further wraps in an example of the invention Spring rapping apparatus 1043 is included, spring rapping apparatus 1043 is located in the outside wall surface of horizontal flue 10112.By utilizing spring vibration Make the outside wall surface that device 1043 pats horizontal flue 10112, the furnace on inner wall so as to remove horizontal flue 10112 Ash.By the deashing of spring rapping apparatus 1043, the temperature of the metal surface of horizontal flue 10112 has significant decrease, Ke Yiti The heat transfer efficiency of furnace body 101.
In some examples of the invention, the water-cooling wall heat exchange area of furnace body 101 is less than or equal to preset value so as to outlet flue The temperature of the flue gas of 1013 discharges is more than or equal to 600 degrees Celsius.
The flue gas that melting electronic waste generates can be quickly generated two evils under temperature appropriate (especially 200 DEG C -500 DEG C) English violent in toxicity.The water that waste heat boiler 10 according to an embodiment of the present invention for electronic waste smelting furnace passes through control furnace body 101 Cold wall heat exchange area, even if the water-cooling wall heat exchange area of furnace body 101 is less than or equal to the preset value, so as to be effectively prevented two Dislike the generation of English.
In an example of the invention, the operating pressure of the cooling water in the water-cooling wall of furnace body 101 is in 0.5MPa- In the range of 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 the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below " One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, modifies, replacement and variant.

Claims (9)

1.一种用于电子废料熔炼炉的余热锅炉，其特征在于，包括：1. a waste heat boiler for electronic scrap smelting furnace, is characterized in that, comprises: 炉体，所述炉体由膜式水冷壁构成，所述炉体具有进烟口、下降烟道、水平烟道和出烟口，所述下降烟道水冷壁上设有用于向所述下降烟道内提供含氧气体的开口；和A furnace body, the furnace body is composed of a film water cooling wall, the furnace body has a smoke inlet, a descending flue, a horizontal flue and a smoke outlet, and the water cooling wall of the descending flue is provided with openings in the flue to provide oxygen-containing gas; and 锅筒，所述锅筒具有进水口、出水口、回流口和蒸汽出口，所述锅筒的出水口通过下降管与所述膜式水冷壁的进水口相连，所述锅筒的回流口通过回水管与所述膜式水冷壁的出水口相连，其中所述下降管的出口设有循环泵，所述膜式水冷壁的换热面积小于等于预设值以便所述出烟口排出的烟气的温度大于等于600摄氏度。a drum, the drum has a water inlet, a water outlet, a return port and a steam outlet, the water outlet of the drum is connected with the water inlet of the membrane water wall through a down pipe, and the return port of the drum passes through The return pipe is connected to the water outlet of the membrane type water cooling wall, wherein the outlet of the descending pipe is provided with a circulating pump, and the heat exchange area of the membrane type water cooling wall is less than or equal to a preset value so that the smoke discharged from the smoke outlet The temperature of the gas is greater than or equal to 600 degrees Celsius. 2.根据权利要求1所述的用于电子废料熔炼炉的余热锅炉，其特征在于，所述炉体的烟道包括沿上下方向定向的下降烟道和沿水平方向定向的水平烟道，所述下降烟道的下端部与所述水平烟道的第一端部相连，其中所述下降烟道的壁面上设有补氧开口，所述进烟口形成在所述下降烟道的上端部，所述出烟口形成在所述水平烟道的第二端部，所述下降烟道及所述水平烟道由膜式水冷壁构成。2 . The waste heat boiler for an electronic scrap smelting furnace according to claim 1 , wherein the flue of the furnace body comprises a descending flue oriented in an up-down direction and a horizontal flue oriented in a horizontal direction, so 2 . The lower end of the descending flue is connected to the first end of the horizontal flue, wherein an oxygen supplement opening is provided on the wall of the descending flue, and the smoke inlet is formed on the upper end of the descending flue , the smoke outlet is formed at the second end of the horizontal flue, and the descending flue and the horizontal flue are formed by a membrane-type water cooling wall. 3.根据权利要求2所述的用于电子废料熔炼炉的余热锅炉，其特征在于，所述开口为多个，多个所述开口沿上下方向间隔开地设在所述下降烟道的壁面上，所述余热锅炉进一步包括多个喷嘴，多个喷嘴一一对应地设在多个所述开口处。3 . The waste heat boiler for use in an electronic scrap smelting furnace according to claim 2 , wherein the openings are plural, and the plural openings are provided on the wall surface of the descending flue at intervals along the up-down direction. 4 . Above, the waste heat boiler further includes a plurality of nozzles, and the plurality of nozzles are provided at the plurality of openings in a one-to-one correspondence. 4.根据权利要求2所述的用于电子废料熔炼炉的余热锅炉，其特征在于，所述下降烟道的下端部与所述水平烟道的第一端部通过非金属膨胀节相连。4 . The waste heat boiler for use in an electronic scrap smelting furnace according to claim 2 , wherein the lower end of the descending flue is connected to the first end of the horizontal flue through a non-metallic expansion joint. 5 . 5.根据权利要求2所述的用于电子废料熔炼炉的余热锅炉，其特征在于，所述下降烟道的上端部设有防爆人孔门。5 . The waste heat boiler for an electronic scrap smelting furnace according to claim 2 , wherein the upper end of the descending flue is provided with an explosion-proof manhole door. 6 . 6.根据权利要求2所述的用于电子废料熔炼炉的余热锅炉，其特征在于，进一步包括：6. The waste heat boiler for electronic scrap smelting furnace according to claim 2, characterized in that, further comprising: 刚性灰斗，所述刚性灰斗设在所述水平烟道的第一端部上且在上下方向上与所述下降烟道相对，所述刚性灰斗与第二膜式水冷壁之间通过沙封密封；和A rigid ash hopper, which is arranged on the first end of the horizontal flue and is opposite to the descending flue in the up-down direction, and passes between the rigid ash hopper and the second membrane-type water cooling wall sand seal; and 刮板除灰机，所述刮板除灰机设在所述水平烟道上。The scraper ash remover is arranged on the horizontal flue. 7.根据权利要求2所述的用于电子废料熔炼炉的余热锅炉，其特征在于，进一步包括弹簧振打装置，所述弹簧振打装置设在所述水平烟道的外壁面上。7 . The waste heat boiler for use in an electronic scrap smelting furnace according to claim 2 , further comprising a spring rapping device, and the spring rapping device is arranged on the outer wall surface of the horizontal flue. 8 . 8.根据权利要求1所述的用于电子废料熔炼炉的余热锅炉，其特征在于，所述膜式水冷壁内的冷却水的工作压力在0.5MPa-1.25MPa的范围内。8 . The waste heat boiler for an electronic scrap smelting furnace according to claim 1 , wherein the working pressure of the cooling water in the membrane-type water cooling wall is in the range of 0.5MPa-1.25MPa. 9 . 9.根据权利要求1所述的用于电子废料熔炼炉的余热锅炉，其特征在于，进一步包括三维膨胀装置，所述进烟口通过所述三维膨胀装置与所述电子废料熔炼炉相连。9 . The waste heat boiler for an electronic scrap smelting furnace according to claim 1 , further comprising a three-dimensional expansion device, and the smoke inlet is connected to the electronic scrap smelting furnace through the three-dimensional expansion device. 10 .
CN201610217429.5A 2016-04-08 2016-04-08 Waste Heat Boiler for Electronic Scrap Smelting Furnace Active CN105698552B (en)

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* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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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