CN109894624A - A kind of vertical rectifying furnace zinc powder production system - Google Patents
A kind of vertical rectifying furnace zinc powder production system Download PDFInfo
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- CN109894624A CN109894624A CN201910293483.1A CN201910293483A CN109894624A CN 109894624 A CN109894624 A CN 109894624A CN 201910293483 A CN201910293483 A CN 201910293483A CN 109894624 A CN109894624 A CN 109894624A
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 238000002844 melting Methods 0.000 claims abstract description 69
- 230000008018 melting Effects 0.000 claims abstract description 69
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 62
- 239000011701 zinc Substances 0.000 claims abstract description 62
- 238000002485 combustion reaction Methods 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000003517 fume Substances 0.000 claims abstract description 11
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 17
- 239000003546 flue gas Substances 0.000 claims description 17
- 239000007789 gas Substances 0.000 claims description 16
- 239000000779 smoke Substances 0.000 claims description 11
- 239000011449 brick Substances 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 239000000567 combustion gas Substances 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000004821 distillation Methods 0.000 abstract description 5
- 239000000843 powder Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000009833 condensation Methods 0.000 abstract description 2
- 230000005494 condensation Effects 0.000 abstract description 2
- 239000000498 cooling water Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The present invention provides a kind of vertical rectifying furnace zinc powder production system, including melting furnace, rectifying furnace, condensing unit etc.；Melting furnace includes melting tank；Rectifying furnace is the tower structure being made of upper, middle and lower, and top includes lagging casing and cavity, and the inside of cavity is equipped with charging pan and upper layer tower tray group；Middle part includes rectifying furnace body and rectifying furnace combustion chamber, rectifying furnace combustion chamber and the completely isolated setting of cavity, equipped with burner and lower layer's tower tray group in rectifying furnace combustion chamber；Lower part includes pedestal and B zinc pond.Effect is: rectifying furnace uses unique heating method, material is carried out from being melted to heating evaporative distillation, and cooling condensation is carried out to zinc fume by condensing unit, obtained zinc powder product cut size is uniform, and most zinc powder mesh numbers are 500 mesh or more, and zinc powder output capacity is up to 85% or more, its main economic technical indicator are as follows: furnace has a daily output of 15~16 ton per day * furnaces, combustion gas unit consumption is 220~250 cubic metre/ton zinc powders, and single furnace seat production capacity is big, practical.
Description
Technical field
The present invention relates to technical field of metal material, particularly, are related to a kind of vertical rectifying furnace zinc powder production system.
Background technique
Powdered metallic zinc is in Dark grey, has the function of fine reproducibility and antirust and resistance to atmospheric corrosion, can make face
Material, covering power is extremely strong, commonly uses to manufacture antirust paint, anticorrosive paint, strong reductant etc.；Meanwhile metal zinc is relatively negative due to having
Standard electrode potential and biggish specific surface area and chemical activity, the displacer being commonly used in metallurgy and chemical industry.Metal zinc
Conventional production process be the way of distillation: the way of distillation is that solid zinc is heated to 1250 DEG C -1350 DEG C to be allowed to become zinc fume to pass through again
Condenser condensation zinc powder.Way of distillation zinc powder generallys use the two kinds of process productions of horizontal chamber furnace (oven) and vertical heater.It is domestic at present
Its economic and technical norms of the zinc powder that horizontal chamber furnace (oven) production technology is produced are as follows: furnace has a daily output of 6~7 ton per day * furnaces, and combustion gas unit consumption is
180~200 cubic metre/ton zinc powders；Its economic and technical norms of the zinc powder that vertical heater production technology is produced are as follows: furnace has a daily output of 8
~10 ton per day * furnaces, combustion gas unit consumption are 260~300 cubic metre/ton zinc powders.Therefore, in the current of economic construction high speed development, if
Count that a kind of waste heat is efficiently utilized, production capacity is big and the lower zinc powder production system of combustion gas unit consumption is of great significance.
Summary of the invention
It can make full use of the rectifying that waste heat, production capacity are big and combustion gas unit consumption is lower the purpose of the present invention is to provide a kind of
Furnace zinc powder production system, specific technical solution are as follows:
A kind of rectifying furnace zinc powder production system, including melting furnace, rectifying furnace, sub-air chamber and condensing unit；
The melting furnace includes fusing furnace body, and the melting furnace furnace interior is equipped with melting tank, the fusing furnace body
Side wall be equipped with the melting furnace feed opening and zinc fluid outlet that are connected to the melting tank, the zinc fluid outlet passes through
Chute is connected to the zinc sealing groove；
The rectifying furnace is the tower structure being made of upper, middle and lower, and top includes lagging casing and setting
The inside of cavity inside lagging casing, the cavity is equipped with charging pan and upper layer tower tray group, the charging pan pass through lower zinc
Pipe is connected to the zinc sealing groove；Middle part includes rectifying furnace body and the rectifying furnace burning that the rectifying furnace furnace interior is arranged in
Room, rectifying furnace combustion chamber and the completely isolated setting of the cavity, equipped with burner and lower layer's tower tray group, burner in rectifying furnace combustion chamber
Burning fuel provides thermal energy for entire rectifying furnace；Lower part includes pedestal, B zinc pond and discharge port, and the setting of B zinc pond exists
It the pedestal lower part and is connected to the lower part of furnace structure, the discharge port is connected to lay down B zinc pond with B zinc pond
Material；Upper layer tower tray group, charging pan and lower layer's tower tray group form closed furnace structure, and upper layer tower tray group has gas outlet and leads to
It crosses air slot to be connected to sub-air chamber, sub-air chamber is connected to the cooling for carrying out zinc fume with condensing unit by gas-guide tube to output zinc
Powder.
Preferred in above technical scheme, the lagging casing and rectifying furnace body are made of insulating brick and refractory brick
Sealed thermal insulating frame structure；The pedestal is made of the support of brick pier.
Preferred in above technical scheme, the bottom and middle part of the rectifying furnace combustion chamber are respectively provided with row's burner, two rows of
Burner passes through pipeline and is connected to gas supply pipeline；Furnace structure internal-combustion room temperature is 1250 DEG C -1350 DEG C.
It is preferred in above technical scheme, it further include heat-exchanger rig, the heat-exchanger rig includes heat exchange shell and setting
In the heat-exchanging component of the heat exchange interior of shell, the heat exchange shell is equipped with air intake, flue gas exhaust mouth, air outlet
And smoke air inlet, the air that the air intake is connected to for entering to the external world with heat-exchanging component preheat；The sky
Gas gas outlet by pipeline and rectifying furnace combustion chamber, can be provided for burner combustion fuel abundance oxygen and into
Partial heat is internally heated rectifying furnace；The flue gas for the heat being discharged after heating to melting furnace is through flue by flue gas air inlet
Mouth is connected to heat-exchanging component, and the air entered to the external world preheats, and drains into underground smoke discharging pipe by flue gas exhaust mouth.
It is preferred in above technical scheme, connect with air intake, flue gas exhaust mouth, air outlet and smoke air inlet
The valve of control air-flow size is equipped on logical pipeline.
Preferred in above technical scheme, heat-exchanging component includes the heat-exchange tube of stainless steel material resistant to high temperature, melting furnace
The temperature of tail gas after discharge and into the heat of heat-exchanging component is 900 DEG C -1100 DEG C, and the external world enters the air energy quilt of heat-exchanging component
It is preheated to 400 DEG C -600 DEG C.
Preferred in above technical scheme, the melting furnace further includes hearth of melting furnace, and the hearth of melting furnace is located at institute
The top of melting tank is stated, the hearth of melting furnace provides the heat source for melting zinc ingot metal for combustion chamber and for melting tank and it passes through muffle
Arc panel is isolated with melting tank.
Preferred in above technical scheme, the condensing unit includes two groups of condensers at least in parallel, and gas-guide tube comes out
Zinc fume enter the zinc powder that 500 mesh or more are obtained after condenser is condensed.
It applies the technical scheme of the present invention, effect is:
1, vertical rectifying furnace zinc powder production system of the invention includes melting furnace, rectifying furnace, sub-air chamber and condensing unit,
Melting furnace melts raw material, and rectifying furnace (is heated) from the bottom to top using unique heating method, the zinc to come to melting furnace
Liquid material is evaporated, and the zinc fume after evaporation enters condensing unit and cooled down, finally obtain zinc powder product cut size uniformly and
Most zinc powder mesh numbers are 500 mesh or more, and zinc powder output capacity is up to 85% or more, economic and technical norms are as follows: furnace has a daily output of
15~16 ton per day * furnaces, combustion gas unit consumption are 220~250 cubic metre/ton zinc powders, and technical indicator occupies industry-leading, compensates for existing
The blank of technology, it is practical.
2, rectifying furnace uses the tower structure being made of upper, middle and lower in the present invention, and tower structure uses multilayer
Burner carries out heat supply, forms closed furnace structure in conjunction with upper layer tower tray group, charging pan and lower layer's tower tray group, it can be achieved that quickly rising
Temperature, material are heated evenly in rectifying furnace, can be obtained the zinc powder of high quality and be improved production capacity.
3, the present invention in heat-exchanger rig design, can to the external world enter air preheat, for rectifying furnace combustion chamber fire
The burning of material provides sufficient high temperature air, had not only improved the efficiency of combustion of rectifying furnace, but also sufficiently recycled thermal energy, and had met country
The energy-saving objective advocated.Heat-exchanging component includes the coil pipe of stainless steel material, and heat transfer rate is fast, and enable to it is extraneous into
The air entered is preheated to 400 DEG C -600 DEG C, convenient for being rapidly heated for rectifying furnace, improves production capacity.
4, melting furnace includes fusing furnace body in the present invention, and melting furnace furnace interior is equipped with hearth of melting furnace and melting tank,
And hearth of melting furnace and melting tank are isolated by muffle arc panel, can either realize that being rapidly heated for melting furnace has carried out material
Running down, and can guarantee that the volatile matter of melting tank zinc is not discharged with flue gas, accomplish environmentally friendly production.
5, condensing unit includes two groups of condensers at least in parallel, it can be achieved that the gradient of material cools in the present invention,
The effectively partial size of control zinc powder, it is practical.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to accompanying drawings, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of vertical rectifying furnace zinc powder production system in embodiment；
Fig. 2 is the top view (heat-exchanger rig not shown) of Fig. 1；
Wherein:
1, melting furnace, 1.1, fusing furnace body, 1.2, melting tank, 1.3, melting furnace feed opening, 1.4, zinc fluid outlet,
1.5, chute, 1.6, hearth of melting furnace, 1.7, muffle arc panel, 1.8, charging control valve, 2, rectifying furnace, 2.1, lagging casing,
2.2, cavity, 2.3, upper layer tower tray group, 2.4, charging pan, 2.5, rectifying furnace body, 2.6, rectifying furnace combustion chamber, 2.7, burner,
2.8, lower layer's tower tray group, 2.9, pedestal, 2.10, B zinc pond, 3, sub-air chamber, 4, condensing unit, 4.1, condenser, 4.2, cooling
Water jacket, 4.3, in-line cooling water pipe, 5, heat-exchanger rig, 5.1, heat exchange shell, 5.2, heat-exchanging component, 5.3, flue gas exhaust mouth,
5.4, air outlet, 5.5, smoke air inlet, 6, zinc sealing groove, 7, lower zinc pipe, 8, air slot, 9, gas-guide tube.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be limited according to claim
Fixed and covering multitude of different ways is implemented.
Embodiment:
A kind of vertical rectifying furnace zinc powder production system, including melting furnace 1, rectifying furnace 2, sub-air chamber 3, condensing unit 4 and change
Thermal 5 is detailed in Fig. 1-Fig. 2, specifically:
The melting furnace 1 includes fusing furnace body 1.1, is equipped with melting tank 1.2 and fusing inside the fusing furnace body 1.1
Furnace burner hearth 1.6, the hearth of melting furnace 1.6 are located at the top of the melting tank 1.2, and the hearth of melting furnace 1.6 is melting furnace 1
Combustion chamber and for melting tank 1.2 provide fusing zinc ingot metal heat source and its be isolated with melting tank 1.2 by muffle arc panel 1.7；
The side wall of fusing furnace body 1.1 is equipped with the melting furnace feed opening 1.3 and zinc fluid outlet being connected to the melting tank 1.2
1.4, the melting furnace feed opening 1.3 is connected to for feeding for the melting tank 1.2 with the melting tank 1.2, the zinc
Fluid outlet 1.4 is connected to by chute 1.5 with the zinc sealing groove 6, and charging control is equipped between zinc fluid outlet 1.4 and chute 1.5
Valve 1.8 processed is convenient for control inventory.
The rectifying furnace 2 is the tower structure being made of upper, middle and lower, and Details as Follows:
Top includes lagging casing 2.1 and the cavity being arranged in inside lagging casing 2.1 2.2, and lagging casing 2.1 is served as reasons
The frame structure for the sealed thermal insulating that light-weight insulating brick and alumina firebrick are built into；The inside of the cavity 2.2 is equipped with charging pan 2.4
With upper layer tower tray group 2.3, the charging pan 2.4 is connected to by lower zinc pipe 7 with the zinc sealing groove 6.Preferred upper layer tower tray group herein
2.3 include the multilayer tower tray being from top to bottom stacked, and offers the through-hole passed through for air-flow on multiple tower trays, and adjacent
Through-hole on two layers of tower tray is arranged in a staggered manner.
Middle part includes rectifying furnace body 2.5 and the rectifying furnace combustion chamber that is arranged in inside the rectifying furnace body 2.5
2.6, rectifying furnace body 2.5 is also using the frame structure for the sealed thermal insulating being built by light-weight insulating brick and alumina firebrick；Rectifying
Furnace combustion chamber 2.6 and the completely isolated setting of the cavity 2.2, rectifying furnace combustion chamber 2.6 is interior to be equipped with burner 2.7 and lower layer's tower tray group
2.8,2.7 burning fuel of burner is that entire rectifying furnace 2 provides thermal energy.Herein preferably: lower layer's tower tray group 2.8 includes layer from top to bottom
The multilayer tower tray of setting is folded, offers the through-hole passed through for melt and zinc fume stream, and adjacent two layers tower on multiple tower trays
Through-hole on disk is arranged in a staggered manner；The bottom and middle part of the rectifying furnace combustion chamber 2.6 are respectively provided with row's burner, and two rows of burners are logical
Piping is connected to fuel storage device.
Lower part includes pedestal 2.9, B zinc pond 2.10 and discharge port, and the pedestal 2.9 is made of the support of brick pier；The B
Number zinc pond 2.10 is arranged in 2.9 lower part of pedestal and is connected to the lower part of furnace structure, the discharge port and B zinc pond
Connection is convenient for laying down the material in B zinc pond.
In the rectifying furnace 2 of this implementation: upper layer tower tray group 2.3, charging pan 2.4 and lower layer's tower tray group 2.8 form closed furnace
Body structure；Gas outlet is connected to by air slot 8 with sub-air chamber 3 at the top of the upper layer tower tray group of furnace structure, and sub-air chamber 3 passes through air guide
Pipe 9 is connected to condensing unit 4, and condensing unit 4 is to obtaining zinc powder after condensing from the zinc fume that gas-guide tube 9 enters；Furnace body knot
The lower part of structure is connected to B zinc pond 2.10.Furnace structure internal temperature is 1250 DEG C -1350 DEG C.
Heat-exchanger rig 5 described in the present embodiment includes heat exchange shell 5.1 and is arranged in inside the heat exchange shell 5.1
Heat-exchanging component 5.2, the heat exchange shell 5.1 are equipped with air intake, flue gas exhaust mouth 5.3, air outlet 5.4 and flue gas
Air inlet 5.5, the air that the air intake is connected to for entering to the external world with heat-exchanging component 5.2 preheat；The air
Gas outlet 5.4 is connected to by pipeline with rectifying furnace combustion chamber 2.6, can be provided for 2.7 burning fuel of burner oxygen and into
Partial heat heats rectifying furnace combustion chamber；Hot gas after heating to melting furnace 1 flows through pipeline by smoke air inlet
5.5, which are connected to the air entered to the external world with heat-exchanging component 5.2, preheats, and drains into submerged exhaust pipe by flue gas exhaust mouth 5.3
Road.It is preferred: on the pipeline being connected to air intake, flue gas exhaust mouth 5.3, air outlet 5.4 and smoke air inlet 5.5
It is equipped with the valve of control air-flow size；Heat-exchanging component 5.2 includes the heat-exchange tube of stainless steel material resistant to high temperature.Melting furnace 1
The temperature of flue gas after discharge and into the heat of heat-exchanging component is 900 DEG C -1100 DEG C, and the external world enters the normal temperature air of heat-exchanging component
400 DEG C -600 DEG C can be preheated to.
Condensing unit 4 described in the present embodiment includes two groups of condensers at least in parallel, and the material that gas-guide tube 9 comes out is successively
Acquisition is the zinc powder of 500 mesh or more after multiple groups condenser is condensed, and preferably condensing unit includes condenser 4.1, cooling
Water jacket 4.2, in-line cooling water pipe 4.3 and valve.Other prior arts can also be used.
Using the technical solution of the present embodiment, specifically:
Material path: material → melting furnace feed opening 1.3 → melting tank, 1.2 → zinc fluid outlet 1.4 → chute, 1.5 → zinc
Sealing groove 6 → lower zinc pipe 7 → charging pan, 2.4 → zinc liquid from top to bottom flows all tower tray groups of full charging pan or less, zinc fume by lower and
Up to upper layer 8 → sub-air chamber of tower tray 2.3 → air slot of group 3 → gas-guide tube, 9 → condensing unit, 4 → zinc powder；
↓
2.10 → discharge port of lower layer's tower tray group 2.8 → B zinc pond → B zinc.
Gas path: outside air → air intake → heat-exchanging component 5.2 → air outlet, 5.4 → air duct a1 →
Air duct a2 → rectifying furnace combustion chamber 2.6 → exhaust gas channel b1 → exhaust gas channel b2 → exhaust gas channel b3 → hearth of melting furnace
1.6 → tail gas road b4 → smoke air inlet 5.5 → heat-exchanging component, 5.2 → flue gas exhaust mouth 5.3.
Using the technical solution of the present embodiment, effect is: (1) the present embodiment invention carries out distillation legal system zinc using rectifying furnace
Powder heats from the bottom to top, quick heating, can improve production capacity；(2) heat-exchanging component includes stainless steel material in the present embodiment heat-exchanger rig
Coil pipe, heat transfer rate it is fast and can the extraneous air entered can be preheated to 400 DEG C -600 DEG C；(3) dress is condensed in the present embodiment
It sets including two groups of condensers at least in parallel, it is 500 mesh that zinc fume material, which successively obtains after multiple groups condenser is condensed,
Above zinc powder；(4) it is designed in the present embodiment using the combination of heat-exchanger rig, rectifying furnace and melting furnace, can be realized waste heat
It efficiently utilizing, economic and technical norms are as follows: furnace has a daily output of 15~16 ton per day * furnaces, and combustion gas unit consumption is 220~250 cubic metres/
Ton zinc powder, technical indicator occupy industry-leading.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of vertical rectifying furnace zinc powder production system, it is characterised in that: including melting furnace (1), rectifying furnace (2), sub-air chamber (3)
And condensing unit (4)；
The melting furnace (1) includes fusing furnace body (1.1), is equipped with melting tank (1.2) inside the fusing furnace body (1.1),
The side wall of fusing furnace body (1.1) be equipped with the melting furnace feed opening (1.3) that is connected to the melting tank (1.2) and
Zinc fluid outlet (1.4), the zinc fluid outlet (1.4) are connected to by chute (1.5) with the zinc sealing groove (6)；
The rectifying furnace (2) is the tower structure being made of upper, middle and lower, top include lagging casing (2.1) and
The cavity (2.2) internal in lagging casing (2.1) is set, and the inside of the cavity (2.2) is equipped with charging pan (2.4) and upper layer tower
Disk group (2.3), the charging pan (2.4) are connected to by lower zinc pipe (7) with the zinc sealing groove (6)；Middle part includes rectifying furnace body
(2.5) and the setting rectifying furnace combustion chamber (2.6) internal in the rectifying furnace body (2.5), rectifying furnace combustion chamber (2.6) with
The cavity (2.2) completely isolated setting is equipped with burner (2.7) and lower layer's tower tray group (2.8) in rectifying furnace combustion chamber (2.6),
Burner (2.7) burning fuel is that entire rectifying furnace (2) provide thermal energy；Lower part include pedestal (2.9), B zinc pond (2.10) and
Discharge port, B zinc pond (2.10) is arranged in the pedestal (2.9) lower part and is connected to the lower part of furnace structure, described to unload
Material mouth is connected to lay down the material in B zinc pond with B zinc pond；Upper layer tower tray group (2.3), charging pan (2.4) and lower layer
Tower tray group (2.8) forms closed furnace structure, and upper layer tower tray group (2.3) has gas outlet and by air slot (8) and sub-air chamber
(3) it is connected to, sub-air chamber (3) is connected to the cooling for carrying out zinc fume with condensing unit (4) by gas-guide tube (9) to output zinc powder.
2. vertical rectifying furnace zinc powder production system according to claim 1, it is characterised in that: the lagging casing (2.1)
It is the sealed thermal insulating frame structure being made of insulating brick and refractory brick with rectifying furnace body (2.5)；The pedestal (2.9) is by brick pier
Support is constituted.
3. vertical rectifying furnace zinc powder production system according to claim 1, it is characterised in that: the rectifying furnace combustion chamber
(2.6) bottom and middle part is respectively provided with row's burner, and two rows of burners pass through pipeline and are connected to gas supply pipeline；Furnace structure
Internal-combustion room temperature is 1250 DEG C -1350 DEG C.
4. vertical rectifying furnace zinc powder production system according to claim 1 to 3, it is characterised in that: further include changing
Thermal (5), the heat-exchanger rig (5) include heat exchange shell (5.1) and setting changing in heat exchange shell (5.1) inside
Hot component (5.2), the heat exchange shell (5.1) be equipped with air intake, flue gas exhaust mouth (5.3), air outlet (5.4) with
And smoke air inlet (5.5), the air intake are connected to the air for entering to the external world with heat-exchanging component (5.2) and carry out in advance
Heat；The air outlet (5.4) is connected to by pipeline with rectifying furnace combustion chamber (2.6), can be burner (2.7) burning fuel
Sufficient oxygen is provided, and energy band is internally heated rectifying furnace into partial heat；It is discharged after being heated to melting furnace (1)
Heat flue gas be connected to by smoke air inlet (5.5) with heat-exchanging component (5.2) through flue, to the external world enter air progress in advance
Heat drains into underground smoke discharging pipe by flue gas exhaust mouth (5.3).
5. vertical rectifying furnace zinc powder production system according to claim 4, it is characterised in that: arranged with air intake, flue gas
Control air-flow size is equipped on the pipeline of port (5.3), air outlet (5.4) and smoke air inlet (5.5) connection
Valve.
6. vertical rectifying furnace zinc powder production system according to claim 4, it is characterised in that: heat-exchanging component (5.2) includes
The heat-exchange tube of stainless steel material resistant to high temperature, after melting furnace (1) discharge and the temperature of the tail gas of the heat of entrance heat-exchanging component is
900 DEG C -1100 DEG C, the air that the external world enters heat-exchanging component can be preheated to 400 DEG C -600 DEG C.
7. vertical rectifying furnace zinc powder production system according to claim 1, it is characterised in that: the melting furnace (1) is also wrapped
It includes hearth of melting furnace (1.6), the hearth of melting furnace (1.6) is located at the top of the melting tank (1.2), the hearth of melting furnace
(1.6) it is combustion chamber and is that melting tank (1.2) provide the heat source for melting zinc ingot metal and it passes through muffle arc panel (1.7) and melting tank
(1.2) it is isolated.
8. vertical rectifying furnace zinc powder production system according to claim 1, it is characterised in that: condensing unit (4) packet
Two groups of condensers at least in parallel are included, the zinc fume that gas-guide tube (9) comes out, which enters after condenser is condensed, obtains 500 mesh or more
Zinc powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910293483.1A CN109894624B (en) | 2019-04-12 | 2019-04-12 | Zinc powder production system of vertical rectifying furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910293483.1A CN109894624B (en) | 2019-04-12 | 2019-04-12 | Zinc powder production system of vertical rectifying furnace |
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| Publication Number | Publication Date |
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| CN109894624A true CN109894624A (en) | 2019-06-18 |
| CN109894624B CN109894624B (en) | 2024-03-22 |
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Cited By (2)
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| CN110524002A (en) * | 2019-09-26 | 2019-12-03 | 湖南新威凌新材料有限公司 | A kind of environmental protection electric heating zinc powder furnace |
| CN115094244A (en) * | 2022-06-29 | 2022-09-23 | 深圳市中金岭南有色金属股份有限公司韶关冶炼厂 | Gas pipeline structure with uniform nozzle flow suitable for tower-type zinc rectifying furnace |
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| GB1145688A (en) * | 1967-06-16 | 1969-03-19 | Cie Metaux Doverpelt Lommel | Improvements in and relating to the purification of zinc by fractional distillation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110524002A (en) * | 2019-09-26 | 2019-12-03 | 湖南新威凌新材料有限公司 | A kind of environmental protection electric heating zinc powder furnace |
| CN115094244A (en) * | 2022-06-29 | 2022-09-23 | 深圳市中金岭南有色金属股份有限公司韶关冶炼厂 | Gas pipeline structure with uniform nozzle flow suitable for tower-type zinc rectifying furnace |
| CN115094244B (en) * | 2022-06-29 | 2023-11-21 | 深圳市中金岭南有色金属股份有限公司韶关冶炼厂 | Gas pipeline structure suitable for tower zinc rectifying furnace and with uniform nozzle flow |
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| CN109894624B (en) | 2024-03-22 |
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