CN208212567U - Mineral hot furnace dry cleaning gas recovery system - Google Patents
Mineral hot furnace dry cleaning gas recovery system Download PDFInfo
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- CN208212567U CN208212567U CN201820357711.8U CN201820357711U CN208212567U CN 208212567 U CN208212567 U CN 208212567U CN 201820357711 U CN201820357711 U CN 201820357711U CN 208212567 U CN208212567 U CN 208212567U
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a kind of mineral hot furnace dry cleaning gas recovery system, it includes mineral hot furnace, it further includes water-cooled flue, cyclone dust collectors, bag filter, outer leaching formula air tubulation cooler, roots blower and gas chamber, the high-temperature flue gas outlet of mineral hot furnace and the gas inlet of water-cooled flue connect, the exhanst gas outlet of water-cooled flue and the air inlet of cyclone dust collectors connect, the gas outlet of cyclone dust collectors and the air inlet of bag filter connect, the gas outlet of bag filter is connect with the air inlet of outer leaching formula air tubulation cooler, the gas outlet of outer leaching formula air tubulation cooler and the air inlet of roots blower connect.Advantage is: the utility model improves gas purification efficiency and quality, avoid the water pollution problems of wet cleaning technique generation, the problems such as saving sewage treatment investment and operating cost, avoiding the blocking of burn into existing for wet cleaning technique, freeze, reduces maintenance workload；And the moisture content in gas of recycling is low, calorific value is high.
Description
Technical field:
The utility model relates to gas recovery system more particularly to a kind of mineral hot furnace dry cleaning gas recovery systems.
Background technique:
Mineral hot furnace is also known as electric-arc furnace or resistance electric furnace, is mainly used for reducing and smelting ore, carbonaceous reducing agent and solvent etc..
It is that the essential industry in metallurgical industry is set mainly for the production of ferroalloys such as ferrosilicon, manganese iron, ferrochrome, ferrotungsten, silicomangans
It is standby.
The exhaust gas that totally-enclosed mineral hot furnace generates in smelting process is mainly flue gas during smelting, and CO content in smoke is 60%
More than, calorific capacity is higher, therefore referred to as mineral hot furnace coal gas.Since the tapping temperature of mineral hot furnace coal gas is higher, and wherein dust
Content is larger, in order to reasonable energy utilization, and reduces the generation of secondary pollution, often passes through cooling, dedusting method
To carry out reclaiming clean to mineral hot furnace coal gas.
Currently, closing mineral hot furnace gas purification generallys use wet process, that is, the method being washed with water, coal gas is washed by level-one
Tower, second level Venturi tube, the purification of three-level dehydrator.Wet cleaning is primarily present following problems: 1, purification efficiency is low, dust content of gas
Environmental emission standard is not achieved in height；2, water resource consumption is big, sewage treatment investment is high, and operation energy consumption is big, and product cost is high, does not have
There is market competition advantage；3, moisture content in gas is big, calorific value is low, quality is not high；4, washing water pipeline and equipment are frequently occluded, corrode
Or freeze, shutdown maintenance is frequent, influences normally to produce.
Utility model content:
The mineral hot furnace dry cleaning that the purpose of this utility model is to provide a kind of moisture content in gas of recycling is low, calorific value is high
Gas recovery system.
The utility model is implemented by following technical solution:
Mineral hot furnace dry cleaning gas recovery system comprising mineral hot furnace, further include water-cooled flue, cyclone dust collectors,
Bag filter, outer leaching formula air tubulation cooler, roots blower and gas chamber, the high-temperature flue gas outlet of the mineral hot furnace and institute
The gas inlet connection of water-cooled flue is stated, the exhanst gas outlet of the water-cooled flue is connect with the air inlet of the cyclone dust collectors,
The gas outlet of the cyclone dust collectors is connect with the air inlet of the bag filter, the gas outlet of the bag filter and institute
State the air inlet connection of outer leaching formula air tubulation cooler, the gas outlet of the outer leaching formula air tubulation cooler and the Roots
The air inlet of blower connects, and the gas outlet of the roots blower is connect with the air inlet of the gas chamber.
Further, the water-cooling dust equipment is board-like water-cooling dust case comprising cabinet is set to the cabinet vertically
Interior several water-cooled plates, the communicating pipe for being connected to two adjacent water-cooled plates, water inlet pipe, outlet pipe；The two sides of the water-cooled plate
End and the inner wall of the cabinet connect, and the bottom of the top of the water-cooled plate and the water-cooled plate is interior with the cabinet
There are gap, two adjacent water-cooled plates can extend cooling by the alternating expression connection up and down of communicating pipe described at least one for wall
The path of water extends cooling water in the case intracorporal residence time, improves cooling effect；
Offer the smoke inlet in the lower part of the cabinet side parallel with the water-cooled plate, with the cigarette
The top of the other side of the opposite cabinet of gas entrance offers exhanst gas outlet；
Cooling water inlet is offered on the top of the water-cooled plate close to the smoke inlet, is gone out close to the flue gas
The lower part of the water-cooled plate of mouth offers cooling water outlet；
The water inlet pipe passes through the wall box and connect with the cooling water inlet, and the outlet pipe passes through the cabinet
Side wall is connect with the cooling water outlet.
Further, the water-cooling dust equipment be spirally inlet air water cooling box comprising cylinder, circumferentially spiral welded in
Flue gas guide plate in the cylinder madial wall, the water-cooled cylinder inside the flue gas guide plate, cooling water deflector, water inlet
Pipe and outlet pipe；The flue gas guide plate of spiral setting can extend flue gas in the cylinder intracorporal residence time, improve cooling effect；
The inside inclined downward of flue gas guide plate, and be 30 ° -60 ° with the angle of vertical direction, flue gas is led through flue gas
It to after plate, impacts on water-cooled cylinder, flue gas instantaneously can be moved oliquely downward later, can accelerate depositing dust, improve dust removing effects；
The spacing of the lateral wall of the inside and water-cooled cylinder of the flue gas guide plate be 2cm -3cm, it is ensured that dust by
It is moved downward in gap；
The smoke inlet is offered on the top of the cylinder, in the cylinder far from the smoke inlet side
Top offers exhanst gas outlet, avoids part of smoke without dedusting, cooling, and is directly discharged by exhanst gas outlet；
The direction of the smoke inlet is consistent with the direction of the flue gas guide plate, flue gas can be made to flow downward, with water cooling
Cylinder comes into full contact with, and accelerates cooling, and facilitate the sedimentation of dust.
The water-cooled cylinder includes the inner barrel and outer barrel of coaxial isometric setting, and the inner cylinder and the outer cylinder are blind pipe knot
Structure, and bottom end closure, upper end and the top of the cylinder are mutually welded；
Spiral is equipped with the cooling water deflector between the inner cylinder and the outer cylinder, the cooling water deflector it is outer
Side and the inner sidewall of the outer cylinder mutually weld, and the inside of the cooling water deflector is mutually welded with the lateral wall of the inner cylinder；It can
The stroke for effectively extending cooling water, improves cooling effect；
Cooling water inlet is offered on the top of the outer cylinder, offers cooling water outlet in the lower part of the outer cylinder, and
The bottom end of the cooling water deflector is connected to the cooling water outlet；
The water inlet pipe passes through the cylinder lateral wall and connect with the cooling water inlet, and the outlet pipe passes through the cylinder
Side wall is connect with the cooling water outlet.
The advantages of the utility model: the high-temperature flue gas that the utility model first generates mineral hot furnace is sent into water-cooled flue and is carried out
Preliminary dedusting, cooling, since dust content in flue gas is higher, thus further through cyclone dust collectors and bag filter carry out into
The depth dedusting of one step, then be cooled down twice through outer leaching formula air tubulation cooler, gas chamber is finally sent by roots blower
It is stored.The utility model improves gas purification efficiency and quality, and the water pollution for avoiding the generation of wet cleaning technique is asked
The problems such as topic, saves sewage treatment investment and operating cost, avoids the blocking of burn into existing for wet cleaning technique, freezes,
Reduce maintenance workload；And the moisture content in gas of recycling is low, calorific value is high.
Detailed description of the invention:
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the system structure diagram of the utility model；
Fig. 2 is the structural schematic diagram of the board-like water-cooling dust case in embodiment 1；
Fig. 3 is the A-A diagrammatic cross-section in Fig. 2；
Fig. 4 is the structural schematic diagram of the spirally inlet air water cooling box in embodiment 2.
In figure: mineral hot furnace 1, water-cooled flue 2, board-like water-cooling dust case 2-1, cabinet 2-1-1, water-cooled plate 2-1-2, communicating pipe
2-1-3, spirally inlet air water cooling box 2-2, cylinder 2-2-1, flue gas guide plate 2-2-2, water-cooled cylinder 2-2-3, cooling water deflector 2-
2-4, inner cylinder 2-2-5, outer cylinder 2-2-6, cyclone dust collectors 3, bag filter 4, outer leaching formula air tubulation cooler 5, Luo Cifeng
Machine 6, gas chamber 7.
Specific embodiment:
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1:
Mineral hot furnace dry cleaning gas recovery system as shown in Figure 1, Figure 2, Figure 3 shows comprising mineral hot furnace 1 further includes
Water-cooled flue 2, cyclone dust collectors 3, bag filter 4, outer leaching formula air tubulation cooler 5, roots blower 6 and gas chamber 7, mine
The high-temperature flue gas outlet of hot stove 1 is connect with the gas inlet of water-cooled flue 2, the exhanst gas outlet and cyclone dust collectors 3 of water-cooled flue 2
Air inlet connection, the gas outlet of cyclone dust collectors 3 connect with the air inlet of bag filter 4, the gas outlet of bag filter 4
It is connect with the air inlet of outer leaching formula air tubulation cooler 5, the gas outlet of outer leaching formula air tubulation cooler 5 and roots blower 6
Air inlet connection, the gas outlet of roots blower 6 is connect with the air inlet of gas chamber 7.
Water-cooled flue 2 is board-like water-cooling dust case 2-1 comprising if cabinet 2-1-1, vertical in cabinet 2-1-1
Solid carbon dioxide cold plate 2-1-2, communicating pipe 2-1-3 for being connected to two adjacent water-cooled plate 2-1-2, water inlet pipe, outlet pipe；Water-cooled plate 2-1-2
Two side ends and the inner wall of cabinet 2-1-1 connect, the bottom of the top of water-cooled plate 2-1-2 and water-cooled plate 2-1-2 are and case
There are gap, two adjacent water-cooled plate 2-1-2 to be connected to by three communicating pipes 2-1-3 or more alternating expression for the inner wall of body 2-1-1, can
Extend the path of cooling water, extends residence time of the cooling water in cabinet 2-1-1, improve cooling effect；
Offer smoke inlet in the lower part of the cabinet 2-1-1 side parallel with water-cooled plate 2-1-2, with smoke inlet
The top of the other side of opposite cabinet 2-1-1 offers exhanst gas outlet；
Cooling water inlet is offered on the top of the water-cooled plate 2-1-2 close to smoke inlet, in the water close to exhanst gas outlet
The lower part of cold plate 2-1-2 offers cooling water outlet；
Water inlet pipe passes through cabinet 2-1-1 side wall and connect with cooling water inlet, and outlet pipe passes through cabinet 2-1-1 side wall and cooling
Water out connection.
Embodiment 2:
Mineral hot furnace dry cleaning gas recovery system as Figure 1 and Figure 4 comprising mineral hot furnace 1 further includes water cooling
Flue 2, cyclone dust collectors 3, bag filter 4, outer leaching formula air tubulation cooler 5, roots blower 6 and gas chamber 7, mineral hot furnace
1 high-temperature flue gas outlet is successively connected with the gas inlet of water-cooled flue 2 by pipeline, and the exhanst gas outlet of water-cooled flue 2 passes through
Pipeline is connect with cyclone dust collectors 3, bag filter 4, outer leaching formula air tubulation cooler 5, roots blower 6 and gas chamber 7.
Water-cooled flue 2 is spirally inlet air water cooling box 2-2 comprising cylinder 2-2-1, circumferentially spiral welded are in cylinder 2-2-
Flue gas guide plate 2-2-2 on 1 inner sidewall, the water-cooled cylinder 2-2-3 inside flue gas guide plate 2-2-2, cooling water deflector
2-2-4, water inlet pipe and outlet pipe；When the flue gas guide plate 2-2-2 of spiral setting can extend stop of the flue gas in cylinder 2-2-1
Between, improve cooling effect；
The inside inclined downward of flue gas guide plate 2-2-2, and be 30 ° -60 °, in the present embodiment with the angle of vertical direction
Angle is 45 °, and flue gas impacts on water-cooled cylinder 2-2-3 after flue gas guide plate 2-2-2, and flue gas can instantaneously oliquely downward later
Movement can accelerate depositing dust, improve dust removing effects；
The spacing of the lateral wall of the inside and water-cooled cylinder 2-2-3 of flue gas guide plate 2-2-2 is 2cm -3cm, in the present embodiment
Spacing be 3cm, it is ensured that dust in gap by moving downward；
Smoke inlet is offered on the top of cylinder 2-2-1, is opened on the top of the cylinder 2-2-1 far from smoke inlet side
It equipped with exhanst gas outlet, avoids part of smoke without dedusting, cooling, and is directly discharged by exhanst gas outlet；
The direction of smoke inlet is consistent with the direction of flue gas guide plate 2-2-2, flue gas can be made to flow downward, with water-cooled cylinder 2-
2-3 comes into full contact with, and accelerates cooling, and facilitate the sedimentation of dust.
Water-cooled cylinder 2-2-3 includes the inner cylinder 2-2-5 and outer cylinder 2-2-6 of coaxial isometric setting, inner cylinder 2-2-5 and outer cylinder 2-2-
6 be blind pipe structure, and bottom end closure, upper end and the top of cylinder 2-2-1 are mutually welded；
Spiral is equipped with cooling water deflector 2-2-4, cooling water deflector 2-2-4 between inner cylinder 2-2-5 and outer cylinder 2-2-6
Outside and the inner sidewall of outer cylinder 2-2-6 mutually weld, the inside of cooling water deflector 2-2-4 and the lateral wall phase of inner cylinder 2-2-5
Welding；The stroke of cooling water can effectively be extended, improve cooling effect；
Cooling water inlet is offered on the top of outer cylinder 2-2-6, offers cooling water outlet in the lower part of outer cylinder 2-2-6,
And the bottom end of cooling water deflector 2-2-4 is connected to cooling water outlet；
Water inlet pipe passes through cylinder 2-2-1 side wall and connect with cooling water inlet, and outlet pipe passes through cylinder 2-2-1 side wall and cooling
Water out connection.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (3)
1. mineral hot furnace dry cleaning gas recovery system comprising mineral hot furnace, which is characterized in that it further includes water-cooled flue, rotation
Wind deduster, bag filter, outer leaching formula air tubulation cooler, roots blower and gas chamber, the high temperature cigarette of the mineral hot furnace
Gas outlet is connect with the gas inlet of the water-cooled flue, the exhanst gas outlet of the water-cooled flue and the cyclone dust collectors into
Port connection, the gas outlet of the cyclone dust collectors are connect with the air inlet of the bag filter, the bag filter
Gas outlet is connect with the air inlet of the outer leaching formula air tubulation cooler, the gas outlet of the outer leaching formula air tubulation cooler
It is connect with the air inlet of the roots blower, the gas outlet of the roots blower is connect with the air inlet of the gas chamber.
2. mineral hot furnace dry cleaning gas recovery system according to claim 1, which is characterized in that the water-cooling dust is set
Standby is board-like water-cooling dust case comprising cabinet, to be set to the intracorporal several water-cooled plates of the case, connection two vertically adjacent described
The communicating pipe of water-cooled plate, water inlet pipe, outlet pipe；The inner wall of the two side ends of the water-cooled plate and the cabinet connects, described
With the inner wall of the cabinet there are gap, two adjacent water-cooled plates are logical for the top of water-cooled plate and the bottom of the water-cooled plate
Cross the alternating expression connection up and down of communicating pipe described at least one；
The smoke inlet is offered in the lower part of the cabinet side parallel with the water-cooled plate, is entered with the flue gas
The top of the other side of the opposite cabinet of mouth offers exhanst gas outlet；
Cooling water inlet is offered on the top of the water-cooled plate close to the smoke inlet, close to the exhanst gas outlet
The lower part of the water-cooled plate offers cooling water outlet；
The water inlet pipe passes through the wall box and connect with the cooling water inlet, and the outlet pipe passes through the wall box
It is connect with the cooling water outlet.
3. mineral hot furnace dry cleaning gas recovery system according to claim 1, which is characterized in that the water-cooling dust is set
Standby is spirally inlet air water cooling box comprising cylinder, circumferentially spiral welded in the cylinder madial wall flue gas guide plate, set
Water-cooled cylinder, cooling water deflector, water inlet pipe and outlet pipe inside the flue gas guide plate；
The inside inclined downward of flue gas guide plate, and be 30 ° -60 ° with the angle of vertical direction；
The spacing of the lateral wall of the inside and water-cooled cylinder of the flue gas guide plate is 2cm -3cm；
The smoke inlet is offered on the top of the cylinder, on the top of the cylinder far from the smoke inlet side
Offer exhanst gas outlet；
The direction of the smoke inlet is consistent with the direction of the flue gas guide plate；
The water-cooled cylinder includes the inner barrel and outer barrel of coaxial isometric setting, and the inner cylinder and the outer cylinder are blind pipe structure, and
Bottom end closure, upper end and the top of the cylinder are mutually welded；
Between the inner cylinder and the outer cylinder spiral be equipped with the cooling water deflector, the outside of the cooling water deflector with
The inner sidewall of the outer cylinder mutually welds, and the inside of the cooling water deflector is mutually welded with the lateral wall of the inner cylinder；
Cooling water inlet is offered on the top of the outer cylinder, offers cooling water outlet in the lower part of the outer cylinder, and described
The bottom end of cooling water deflector is connected to the cooling water outlet；
The water inlet pipe passes through the cylinder lateral wall and connect with the cooling water inlet, and the outlet pipe passes through the cylinder lateral wall
It is connect with the cooling water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820357711.8U CN208212567U (en) | 2018-03-16 | 2018-03-16 | Mineral hot furnace dry cleaning gas recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820357711.8U CN208212567U (en) | 2018-03-16 | 2018-03-16 | Mineral hot furnace dry cleaning gas recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208212567U true CN208212567U (en) | 2018-12-11 |
Family
ID=64531665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820357711.8U Active CN208212567U (en) | 2018-03-16 | 2018-03-16 | Mineral hot furnace dry cleaning gas recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208212567U (en) |
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2018
- 2018-03-16 CN CN201820357711.8U patent/CN208212567U/en active Active
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