CN114959256A - Oxygen enrichment system of sintering machine - Google Patents
Oxygen enrichment system of sintering machine Download PDFInfo
- Publication number
- CN114959256A CN114959256A CN202210588826.9A CN202210588826A CN114959256A CN 114959256 A CN114959256 A CN 114959256A CN 202210588826 A CN202210588826 A CN 202210588826A CN 114959256 A CN114959256 A CN 114959256A
- Authority
- CN
- China
- Prior art keywords
- sintering machine
- machine body
- communicated
- sintering
- 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.)
- Granted
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/16—Sintering; Agglomerating
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to the technical field of sintering machines, in particular to an oxygen enrichment system for a sintering machine, which solves the problem that in the prior art, an oxygen enrichment system device for a sintering machine on the market is used for helping a combustion bin to carry out more effective combustion temperature rise to sinter a combustion object, and the outer wall of the combustion bin can cause temperature rise through heat conduction, so that when the combustion bin is influenced by a low-temperature environment, the outer wall of the combustion bin can be inevitably cooled, and the internal sintering operation efficiency is influenced. An oxygen enrichment system of a sintering machine comprises a sintering machine body, wherein an oxygen enrichment manufacturing machine is arranged on one side of the sintering machine body. The invention reduces the problem of low internal sintering efficiency caused by the influence of temperature on the sintering machine body under the condition of low temperature to a certain extent through the structural design, realizes the effect of recycling waste heat by helping the heat preservation of the outer wall of the sintering machine body, and saves energy.
Description
Technical Field
The invention relates to the technical field of sintering machines, in particular to an oxygen enrichment system of a sintering machine.
Background
The sintering machine is suitable for sintering operation of large-scale ferrous metallurgy sintering plants, is main equipment in the air draft sintering process, can sinter concentrate powder and rich mineral powder with different components and different granularities into blocks, and partially eliminates harmful impurities such as sulfur, phosphorus and the like contained in the ore. The sintering machine is divided into a plurality of specifications with different lengths and different widths according to the sintering area, and users select the specifications according to the output or the site condition. Wherein, the sintering machine can fully exert the maximum efficacy under the oxygen-enriched environment condition.
Chinese patent application No. CN201510289092.4 discloses a nickel ore sintering machine, which is characterized in that a chimney for intensively discharging tail gas is arranged, a large amount of high-temperature flue gas generated during sintering is utilized, and thermal power is generated when the flue gas is discharged outside the chimney, so that the thermal power is fully utilized, energy is saved, consumption is reduced, pollution is reduced, a dust removing barrel is arranged, and waste gas is pumped out from an air outlet under the action of the thermal power, so that a good dust removing effect is achieved, but the content of oxygen entering the sintering machine cannot be adjusted in real time according to the oxygen amount required by different sinter products.
The effect of oxygen boosting system device for current sintering machine is that the help combustion chamber burns more effectively and heaies up, carries out the sintering operation to the combustion object, nevertheless can't carry out rational utilization to tail gas among the prior art, and the combustible material raw materials that exist in the tail gas is extravagant by the very big degree, can't adjust the oxygen boosting device in real time according to the required oxygen volume of different frits simultaneously.
Disclosure of Invention
The invention aims to provide an oxygen enrichment system for a sintering machine, which solves the problem that the oxygen enrichment system device for the sintering machine in the market in the prior art has the effect of helping a combustion bin to carry out more effective combustion temperature rise to sinter combustion objects, and the outer wall of the combustion bin can cause temperature rise through heat conduction, so that when the combustion bin is influenced by a low-temperature environment, the outer wall of the combustion bin can be inevitably cooled, and the internal sintering operation efficiency is influenced.
In order to achieve the purpose, the invention adopts the following technical scheme:
an oxygen enrichment system of a sintering machine comprises a sintering machine body, wherein a control unit is arranged on the sintering machine body, an oxygen enrichment manufacturing machine is arranged on one side of the sintering machine body, the output end of the top of the oxygen enrichment manufacturing machine is communicated with the inner cavity of the sintering machine body through a gas conveying pipe, two sides of the sintering machine body are respectively provided with a heat preservation assembly, an air outlet pipe is arranged at the top of the sintering machine body and is communicated with the inner cavity of the sintering machine body, one side of the air outlet pipe is communicated with a water tank through a heat insulation pipe, and the water tank is communicated with the heat preservation assembly through a water pump;
the bottom of the sintering machine body is provided with an air exhaust assembly, a temperature sensor is arranged in the air exhaust assembly and used for detecting the temperature of tail gas exhausted from the sintering machine body, and the bottom of the air exhaust assembly is communicated with the ventilation assembly through an air pipe;
the ventilation assembly comprises a first ventilation pipeline and a second ventilation pipeline, ventilation assemblies are respectively arranged in the first ventilation pipeline and the second ventilation pipeline, the air pipe is communicated with a heat conduction block through the ventilation assembly, the heat conduction block is positioned in an air outlet pipe, the upper end and the lower end of the heat conduction block are communicated with the air outlet pipe through a filtering hole, a sliding plate is arranged between the two heat conduction blocks, a transmission assembly is arranged on one side, close to the water tank, of the heat conduction block, and the other end of the transmission assembly penetrates through the side wall of the water tank and extends to the inner cavity of the water tank;
when the heat preservation layer of the sinter needs to be preserved, the control unit controls one heat conduction block to move into the air outlet pipe and is communicated with the first ventilation pipeline, sintering tail gas is conveyed into the heat conduction block through the air pipe by the air exhaust assembly, and enters the sintering machine body again after being filtered by the heat conduction block to preserve heat of the sinter of the heat preservation layer;
when the temperature sensor detects that the temperature in the sintering machine body is reduced, the control unit judges that a filtering hole in the heat conducting block is blocked by impurities and combustible substances, tail gas cannot enter the sintering machine body through the filtering hole, the control unit controls the heat conducting block in the water tank to move towards the air outlet pipe and be communicated with the second air passage, so that the tail gas enters the sintering machine body through the second air passage, if the temperature value fed back by the temperature sensor is still lower than a preset value, the control unit judges that the oxygen amount in the sintering machine body cannot enable the sintered objects to be fully combusted, and the control unit controls the oxygen enrichment manufacturing machine to increase the oxygen amount introduced into the sintering machine body so that the sintered objects in the sintering machine body are fully combusted.
The invention has at least the following beneficial effects:
1. according to the invention, through the arrangement of the air extraction component, the air extraction component extracts tail gas generated during combustion of sinter in the sinter body from the bottom of the sinter body, the temperature of the extracted tail gas is detected in real time through a temperature sensor arranged in the air extraction component, and the detected value is fed back to the control unit, the control unit judges whether the sinter in the sinter body is fully combusted or not through the detected tail gas temperature, if the tail gas temperature is lower than a preset temperature, the control unit judges that the sinter in the sinter body is not fully combusted at the moment, and the control unit controls the oxygen output from an oxygen enrichment manufacturing machine to the sinter body to be increased until the tail gas temperature reaches a preset value, and then the oxygen conveying amount at the moment is maintained; if the temperature of the tail gas is higher than the preset temperature, the control unit judges that the oxygen amount in the sintering machine body is larger than the required sufficient combustion amount at the moment, and the control unit controls the oxygen amount of the oxygen-enriched manufacturing machine to be reduced, so that the problem that the oxygen amount in the sintering machine body is too high, explosion occurs in a high-temperature combustion environment, and casualties are caused is solved.
2. According to the invention, through the mutual matching of the air exhaust assembly and the heat conducting block, after tail gas is introduced into the heat conducting block, the heat conducting block absorbs heat to absorb partial heat of the tail gas, because the heat conducting block is positioned at the joint of the water tank and the air outlet pipe, heat of the heat conducting block is absorbed by heat preservation water in the water tank, at the moment, the temperature of the heat preservation water in the water tank is increased, the moisture in the water tank is heated through the heat of the tail gas, and the heated water is introduced into the heat preservation assembly through the water pump to heat the outer side of the sintering machine body, so that the sintering influence of the external temperature on the sintering machine body is reduced.
3. The invention is characterized in that the air exhaust component is matched with the heat conduction block, when the temperature of the temperature sensor in the air exhaust component suddenly changes in the sintering process, the temperature sensor changes the temperature in real time and feeds the temperature back to the control unit, if the control unit detects that the temperature of sintering tail gas is lower than a preset value, the control unit judges that the filtering hole on the heat conduction block is blocked by impurities and combustible substances at the moment, the tail gas cannot enter the sintering machine body through the filtering hole, so that the temperature in the sintering machine body is lower than the preset value, the control unit controls the transmission component to move at the moment, so that the heat conduction block which is positioned in the air outlet pipe and communicated with the first ventilation pipeline moves towards the water tank, the heat conduction block which is positioned in the water tank moves towards the air outlet pipe and is communicated with the second ventilation pipeline, and simultaneously the ventilation component on the first ventilation pipeline is closed, the ventilation component on the second ventilation pipeline is communicated, so that the tail gas enters the sintering machine body through the second ventilation pipeline, if the temperature value fed back by the temperature sensor is still lower than the preset value, the control unit judges that the oxygen amount in the sintering machine body cannot enable the sinter to be fully combusted at the moment, and the control unit controls the oxygen-enriched manufacturing machine to increase the oxygen amount introduced into the sintering machine body so as to enable the sinter in the sintering machine body to be fully combusted, so that a combustion layer of the sinter is always in a fully combusted state, and the sintering quality is guaranteed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the bin gate of the present invention;
FIG. 3 is a schematic view of the internal structure of the heat-insulating assembly of the present invention;
FIG. 4 is a cross-sectional view of the outlet tube of the present invention;
FIG. 5 is a sectional view of the top view of the present invention
FIG. 6 is a schematic view of another angular configuration of the present invention;
FIG. 7 is a schematic view of the structure of the heat-insulating assembly of the present invention.
In the figure: 1. a sintering machine body; 2. a gas delivery pipe; 3. an oxygen-enriched maker; 4. a hydraulic cylinder; 5. a piston rod; 6. a base; 7. a heat preservation assembly; 701. an outer frame; 702. warming the sheet; 703. a communicating pipe; 704. a collection bin; 8. a bin gate; 9. a hinge; 10. a handle; 11. a water tank; 12. a transmission assembly; 13. a slide plate; 14. a heat conducting block; 15. a filtration pore; 16. an air outlet pipe; 17. a connecting pipe; 18. a connecting assembly; 19. a first transfer tube; 20. a water pump; 21. a second transfer pipe; 22. a delivery pipe; 23. an air extraction assembly; 24. an air tube; 25. a ventilation assembly; 26. a heat insulation pipe; 27. a vent assembly; 2701. a first vent conduit; 2702. a second vent conduit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
As shown in fig. 1-4, an oxygen enrichment system of a sintering machine comprises a sintering machine body 1, wherein an oxygen enrichment machine 3 is arranged on one side of the sintering machine body 1, the top output end of the oxygen enrichment machine 3 is communicated with the inner cavity of the sintering machine body 1 through a gas pipe 2, and the generated oxygen enrichment is introduced into the sintering machine body 1 through the oxygen enrichment machine 3 to fully combust sinter in the sintering machine body 1.
The equal fixedly connected with heat preservation subassembly 7 in both sides of sintering machine body 1, heat preservation subassembly 7 includes frame 701, frame 701's inner chamber bottom and the horizontal direction along frame 701 are provided with the warm piece 702 of a plurality of, and be linked together through two communicating pipes 703 between two adjacent warm pieces 702, one of them warm piece 702 intercommunication, communicate through second transmission pipe 21 between water pump 20's the other end and the 11 one side of water tank, the bottom of sintering machine body 1 is provided with conveyer pipe 22, and conveyer pipe 22's both ends run through adjacent frame 701 lateral wall and adjacent warm piece 702 intercommunication respectively, the warm piece that will ally oneself with the survey through conveyer pipe 22 is connected, make the interior heat preservation water of the warm piece 702 in both sides circulate, reduce the influence of ambient temperature to sintering machine body 1.
The top intercommunication of outlet duct 16 has connecting pipe 17, and fixed surface is connected with coupling assembling 18 on the top of connecting pipe 17, and is concrete, makes things convenient for personnel to dock outlet duct 16 with other devices through connecting pipe 17 and coupling assembling 18 for carry out dust removal purification to the flue gas.
The top of heat conduction piece 14 is seted up a plurality of and is run through the filtration hole 15 of heat conduction piece 14, and is concrete, through the setting of heat conduction piece 14 and filtration hole 15 for heat conduction piece 14 has been passed through filtration hole 15 in the flue gas, makes the heat transfer between heat conduction piece 14 and the flue gas more high-efficient.
Four corners in the bottom of sintering machine body 1 all are provided with base 6, and pneumatic cylinder 4 is installed at the top of base 6 to pneumatic cylinder 4's output fixedly connected with piston rod 5, piston rod 5's top and sintering machine body 1's bottom fixed connection, it is specific, through pneumatic cylinder 4 and piston rod 5's setting, make personnel's convenience highly carry out quick adjustment to sintering machine body 1, through the setting of base 6, increased the stability of device bottom.
One side of sintering machine body 1 is rotated through hinge 9 and is connected with door 8, and one side fixedly connected with handle 10 of door 8, and is concrete, through the setting of door 8, has guaranteed the inside leakproofness of sintering machine body 1, through the setting of handle 10, makes things convenient for personnel pulling door 8.
Through structural design, the problem of low internal sintering efficiency caused by the influence of temperature on the sintering machine body 1 under the low-temperature condition is reduced, the effect of waste heat recycling is realized by helping the heat preservation of the outer wall of the sintering machine body 1, and energy is saved.
When the invention is used: personnel make machine 3 through the oxygen boosting and transmit the oxygen boosting to sintering machine body 1 inside through gas-supply pipe 2, can the flue gas in the sintering process, spread the flue gas through 16 guides of outlet duct, make the flue gas constantly carry out the physical contact to heat conduction piece 14, then make the flue gas itself contain the heat in area and conduct, heat transfer to the water tank 11 inboard with heat conduction piece 14, heat the water of water tank 11, transmit hot water to warm piece 702 inside afterwards, setting through conveyer pipe 22, make the water level in all warm pieces 702 can keep unanimous, through water pump 20, make the water source of warm piece 702 cool down the back, can carry the water source to 11 inboards of water tank again and heat, the effect of water source recycling has been played.
In conclusion, the connecting pipe 17 and the connecting assembly 18 facilitate a person to butt the air outlet pipe 16 with other devices, so that the flue gas is dedusted and purified, the heat conducting block 14 and the filtering hole 15 are arranged, the flue gas passes through the heat conducting block 14 through the filtering hole 15, so that the heat transfer between the heat conducting block 14 and the flue gas is more efficient, the hydraulic cylinder 4 and the piston rod 5 are arranged, so that the person can conveniently and rapidly adjust the height of the sintering machine body 1, the stability of the bottom of the device is improved through the arrangement of the base 6, the sealing performance inside the sintering machine body 1 is ensured through the arrangement of the bin gate 8, the bin gate 8 is conveniently pulled by the person through the arrangement of the handle 10, and the problem of low internal sintering efficiency caused by the influence of temperature on the sintering machine body 1 under the low temperature condition is reduced to a certain extent through the structural design, through helping the sintering machine body 1 outer wall to keep warm, realized the effect of waste heat reuse, saved the energy.
Example two
When in actual use, operating personnel discovers, because the sinter composition that carries out the sintering at every turn is different, the oxygen content of required abundant burning is also different, the volume of letting in of unable accurate control oxygen boosting when carrying out the oxygen boosting sintering, when the oxygen boosting volume is greater than required volume, under high temperature combustion environment, 1 inner chamber of sintering machine body can explode, when the oxygen boosting volume is less than required volume, the unable abundant burning of sinter, harmful substance content promotes in the messenger's tail gas, can not reach the exhaust emission demand, and simultaneously, because sintering tail gas outwards discharges after heat conduction piece 14 again, filter hole 15 is blockked up by the impurity in the tail gas on heat conduction piece 14, tail gas can't continue outwards to discharge, unfavorable benefit is produced. Therefore, based on the above problems, the apparatus is improved in accordance with the method described in the present embodiment.
As shown in fig. 5 to 7, a control unit is provided on the sintering machine body 1, an air extraction assembly 23 is provided at the bottom of the sintering machine body 1, and a temperature sensor is provided inside the air extraction assembly 23 for detecting the temperature of the exhaust gas extracted from the sintering machine body 1.
Firstly, extracting tail gas generated during combustion of sinter in a sintering machine body 1 from the bottom of the sintering machine body 1 through an air extraction assembly 23, detecting the temperature of the extracted tail gas in real time through a temperature sensor arranged in the air extraction assembly 23 and feeding back a detection value to a control unit, judging whether the sinter in the sintering machine body 1 is sufficiently combusted through the detected temperature of the tail gas by the control unit, judging that the sinter in the sintering machine body 1 is not sufficiently combusted at the moment if the temperature of the tail gas is lower than a preset temperature by the control unit, and controlling the oxygen quantity output to the sintering machine body 1 by an oxygen enrichment manufacturing machine 3 to be increased by the control unit until the temperature of the tail gas reaches the preset value and then keeping the oxygen conveying quantity at the moment; if the temperature of the tail gas is higher than the preset temperature, the control unit judges that the oxygen amount in the sintering machine body 1 is larger than the required full combustion amount, and the control unit controls the oxygen amount of the oxygen enrichment manufacturing machine 3 to be reduced, so that the problem that the oxygen amount in the sintering machine body 1 is too high, explosion occurs in a high-temperature combustion environment, and casualties are caused is solved.
Secondly, take high temperature sintering tail gas out from sintering machine body 1 through subassembly 23 of bleeding, in this process, because the burning of sintering object is from top to bottom going on, preheat lower floor's sintering object through the burning layer downstream in-process of sintering object as high temperature sintering tail gas to lower floor's sintering object burns, effectively prevents the problem that the excessive burning layer that leads to of sintering object lower floor temperature was interrupted.
Finally, through carrying out the intercommunication with bleed subassembly 23 and outlet duct 16, make the tail gas that is pumped out by bleed subassembly 23 enter the inner chamber of sintering machine body 1 once more through outlet duct 16, at this in-process, partly tail gas upwards flows through the filtration of heat conduction piece 14 and discharges through connecting pipe 17, partly tail gas receives the suction of bleed subassembly 23 and flows downwards to the sinter through the filtration of heat conduction piece 14, provide the heat to the sinter that is in the heat preservation stage, thereby prevent that the sinter cooling rate is too fast, lead to the poor problem of sintering effect.
Firstly, the bottom of the air extraction assembly 23 is communicated with a first ventilation pipeline 2701 and a second ventilation pipeline 2702 through an air pipe 24, and air exchange assemblies 25 are respectively arranged on the first ventilation pipeline 2701 and the second ventilation pipeline 2702, when high-temperature tail gas needs to be conveyed to the ventilation assembly 27 through air extraction of the air extraction assembly 23, the control unit controls a heat conduction block 14 of the transmission assembly 12 to move into the air pipe 16 to be communicated with the air exchange assemblies 25 on the first ventilation pipeline 2701, and controls the air exchange assemblies 25 on the first ventilation pipeline 2701 to be opened, so that the tail gas enters the heat conduction block 14 through the air exchange assemblies 25, impurities and combustible substances in the tail gas are filtered through the heat conduction block 14, the tail gas enters the sintering machine body 1 again under air extraction of the air extraction assembly 23 to preserve heat of the burned sinter, the impurities and the combustible substances are filtered through filtering holes formed in the heat conduction block 14, and combustible materials are prevented from entering the sintering machine body 1 again along with tail gas, so that the sinter of the heat-insulating layer is re-combusted, and the structure of the sinter is damaged.
Secondly, because after tail gas lets in heat conduction block 14, heat conduction block 14 will absorb the partial heat of tail gas, because heat conduction block 14 is located the junction of water tank 11 and outlet duct 16, heat preservation water absorbs heat conduction block 14's heat in the water tank 11, heat preservation water temperature risees in the water tank 11 this moment, the heat of tail gas is to heating up the moisture in the water tank 11, and heat up the water after will rising temperature through water pump 20 and let in heat preservation subassembly 7 in heating the sintering machine body 1 outside, reduce the sintering influence of ambient temperature to sintering machine body 1.
Thirdly, when the temperature of the temperature sensor in the air exhaust assembly 23 changes suddenly in the sintering process, the temperature sensor changes the temperature in real time and feeds the temperature back to the control unit, if the control unit detects that the temperature of the sintering tail gas is lower than the preset value, the control unit determines that the filtering hole 15 on the heat conducting block 14 is blocked by impurities and combustible substances at the moment, the tail gas cannot enter the sintering machine body 1 through the filtering hole 15, and the temperature in the sintering machine body 1 is lower than the preset value, at the moment, the control unit controls the transmission assembly 12 to move, so that the heat conducting block 14 which is positioned in the air outlet pipe 16 and communicated with the first ventilation pipeline 2701 moves into the water tank 11, the heat conducting block 14 which is positioned in the water tank 11 moves into the air outlet pipe 16 and is communicated with the second ventilation pipeline 2702, and simultaneously the ventilation assembly 25 on the first ventilation pipeline 2701 is closed, the ventilation assembly 25 on the second ventilation pipeline 2702 is communicated, and the tail gas enters the sintering machine body 1 through the second ventilation pipeline 2702, if the temperature value fed back by the temperature sensor is still lower than the preset value, the control unit judges that the oxygen amount in the sintering machine body 1 can not enable the sinter to be fully combusted at the moment, and the control unit controls the oxygen amount introduced into the sintering machine body 1 by the oxygen enrichment manufacturing machine 3 to be increased so that the sinter in the sintering machine body 1 is fully combusted, so that a combustion layer of the sinter is always in a fully combusted state, and the sintering quality is ensured.
Finally, when impurities and combustible matters blocked in the heat conduction block 14 need to be cleaned, the heat conduction block 14 is moved into the water tank 11 through the control unit, because the side surface of the heat conduction block 14 is of a central control structure, after the heat conduction block 14 is moved into the water tank 11, water in the water tank 11 enters the heat conduction block 14 through the side surface of the heat conduction block 14 and flushes the impurities and the combustible matters in the heat conduction block 14 into the heat insulation assembly 7, the impurities and the combustible matters entering the heat insulation assembly 7 enter the heat insulation sheet 702 along with water flow, the impurities and the heat insulation water are separated by a filter screen on the heat insulation sheet 702 and then enter the collection bin 704, and the impurities and the combustible matters in the collection bin 704 are dried through the heat insulation water and the sintering machine body 1, so that the combustible matters can be recycled.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. An oxygen enrichment system of a sintering machine comprises a sintering machine body and is characterized in that a control unit is arranged on the sintering machine body, an oxygen enrichment manufacturing machine is arranged on one side of the sintering machine body, the output end of the top of the oxygen enrichment manufacturing machine is communicated with the inner cavity of the sintering machine body through a gas pipe, heat preservation assemblies are arranged on two sides of the sintering machine body respectively, an air outlet pipe is arranged on the top of the sintering machine body and communicated with the inner cavity of the sintering machine body, one side of the air outlet pipe is communicated with a water tank through a heat insulation pipe, and the water tank is communicated with the heat preservation assemblies through a water pump;
the bottom of the sintering machine body is provided with an air exhaust assembly, a temperature sensor is arranged in the air exhaust assembly and used for detecting the temperature of tail gas exhausted from the sintering machine body, and the bottom of the air exhaust assembly is communicated with the ventilation assembly through an air pipe;
the ventilation assembly comprises a first ventilation pipeline and a second ventilation pipeline, the first ventilation pipeline and the second ventilation pipeline are respectively internally provided with a ventilation assembly, the air pipe is communicated with a heat conduction block through the ventilation assembly, the heat conduction block is positioned in an air outlet pipe, the upper end and the lower end of the heat conduction block are communicated with the air outlet pipe through a filter hole, a sliding plate is arranged between the two heat conduction blocks, one side of the heat conduction block, which is close to the water tank, is provided with a transmission assembly, and the other end of the transmission assembly penetrates through the side wall of the water tank and extends to the inner cavity of the water tank;
when the heat preservation layer of the sinter needs to be preserved, the control unit controls one heat conduction block to move into the air outlet pipe and is communicated with the first ventilation pipeline, sintering tail gas is conveyed into the heat conduction block through the air pipe by the air exhaust assembly, and enters the sintering machine body again after being filtered by the heat conduction block to preserve heat of the sinter of the heat preservation layer;
when the temperature sensor detects that the temperature in the sintering machine body is reduced, the control unit judges that a filtering hole in the heat conducting block is blocked by impurities and combustible substances, tail gas cannot enter the sintering machine body through the filtering hole, the control unit controls the heat conducting block in the water tank to move towards the air outlet pipe and be communicated with the second air passage, so that the tail gas enters the sintering machine body through the second air passage, if the temperature value fed back by the temperature sensor is still lower than a preset value, the control unit judges that the oxygen amount in the sintering machine body cannot enable the sintered objects to be fully combusted, and the control unit controls the oxygen enrichment manufacturing machine to increase the oxygen amount introduced into the sintering machine body so that the sintered objects in the sintering machine body are fully combusted.
2. The oxygen enrichment system of the sintering machine according to claim 1, wherein the heat preservation assembly comprises an outer frame, a plurality of warm pieces are arranged at the bottom of an inner cavity of the outer frame along the horizontal direction of the outer frame, two adjacent warm pieces are communicated through two communicating pipes, a collection bin is arranged on one side of each warm piece, the collection bin is communicated with the warm pieces, and a filter screen is arranged in each warm piece.
3. The oxygen enrichment system of the sintering machine as claimed in claim 1, wherein a water pump is installed on one side of the top of the sintering machine body, one end of the water pump is communicated with the first transmission pipe, and the other end of the first transmission pipe penetrates through the top of the adjacent outer frame to be communicated with one of the warmers.
4. The oxygen enrichment system of the sintering machine as claimed in claim 3, wherein the other end of the water pump is communicated with one side of the water tank through a second transmission pipe, the bottom of the sintering machine body is provided with a transmission pipe, and two ends of the transmission pipe respectively penetrate through the side wall of the adjacent outer frame to be communicated with the adjacent warming patch.
5. The oxygen enrichment system of the sintering machine as claimed in claim 1, wherein the top of the gas outlet pipe is communicated with a connecting pipe, and the upper surface of the top of the connecting pipe is fixedly connected with a connecting component.
6. The oxygen enrichment system of the sintering machine as claimed in claim 1, wherein the filtering holes are located at the top and bottom of the heat conducting block, the heat conducting block is hollow on both sides, and when the heat conducting block is located in the water tank, water in the water tank enters the heat conducting block through the hollow structure.
7. The oxygen enrichment system of the sintering machine as claimed in claim 1, wherein the four corners of the bottom of the sintering machine body are provided with bases, the top of each base is provided with a hydraulic cylinder, the output end of each hydraulic cylinder is fixedly connected with a piston rod, and the top of each piston rod is fixedly connected with the bottom of the sintering machine body.
8. The oxygen enrichment system of the sintering machine as claimed in claim 1, wherein one side of the sintering machine body is rotatably connected with a bin gate through a hinge, and one side of the bin gate is fixedly connected with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210588826.9A CN114959256B (en) | 2022-05-27 | 2022-05-27 | Oxygen enrichment system of sintering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210588826.9A CN114959256B (en) | 2022-05-27 | 2022-05-27 | Oxygen enrichment system of sintering machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114959256A true CN114959256A (en) | 2022-08-30 |
| CN114959256B CN114959256B (en) | 2023-08-18 |
Family
ID=82954967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210588826.9A Active CN114959256B (en) | 2022-05-27 | 2022-05-27 | Oxygen enrichment system of sintering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114959256B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010009836A (en) * | 1999-07-14 | 2001-02-05 | 이구택 | Temperature and humidity control apparatus of exhaust gas for improving dust collecting performance of EP and its control method |
| JP2002070529A (en) * | 2000-08-29 | 2002-03-08 | Ibiden Co Ltd | Exhaust emission control device and method of manufacturing for exhaust emission control device |
| JP2005002833A (en) * | 2003-06-10 | 2005-01-06 | Toyota Motor Corp | Exhaust emission control device for internal combustion engine |
| JP2011252665A (en) * | 2010-06-02 | 2011-12-15 | Jfe Steel Corp | Sintering machine and method for producing sintered ore |
| CN104818382A (en) * | 2015-06-01 | 2015-08-05 | 连云港宝翔铸造有限公司 | Nickel ore sintering machine |
| CN105622111A (en) * | 2014-10-29 | 2016-06-01 | 自贡市江阳磁材有限责任公司 | Sintering technology of high-performance permanent magnetic ferrite |
| CN108475808A (en) * | 2016-01-04 | 2018-08-31 | 纳米技术仪器公司 | solid electrolyte for lithium secondary battery |
| CN110553516A (en) * | 2019-10-14 | 2019-12-10 | 中国科学院过程工程研究所 | Oxygen-enriched sintering flue gas circulation system and application thereof |
| CN113374564A (en) * | 2021-07-30 | 2021-09-10 | 天津大学 | Automobile exhaust after-treatment method |
-
2022
- 2022-05-27 CN CN202210588826.9A patent/CN114959256B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010009836A (en) * | 1999-07-14 | 2001-02-05 | 이구택 | Temperature and humidity control apparatus of exhaust gas for improving dust collecting performance of EP and its control method |
| JP2002070529A (en) * | 2000-08-29 | 2002-03-08 | Ibiden Co Ltd | Exhaust emission control device and method of manufacturing for exhaust emission control device |
| JP2005002833A (en) * | 2003-06-10 | 2005-01-06 | Toyota Motor Corp | Exhaust emission control device for internal combustion engine |
| JP2011252665A (en) * | 2010-06-02 | 2011-12-15 | Jfe Steel Corp | Sintering machine and method for producing sintered ore |
| CN105622111A (en) * | 2014-10-29 | 2016-06-01 | 自贡市江阳磁材有限责任公司 | Sintering technology of high-performance permanent magnetic ferrite |
| CN104818382A (en) * | 2015-06-01 | 2015-08-05 | 连云港宝翔铸造有限公司 | Nickel ore sintering machine |
| CN108475808A (en) * | 2016-01-04 | 2018-08-31 | 纳米技术仪器公司 | solid electrolyte for lithium secondary battery |
| CN110553516A (en) * | 2019-10-14 | 2019-12-10 | 中国科学院过程工程研究所 | Oxygen-enriched sintering flue gas circulation system and application thereof |
| CN113374564A (en) * | 2021-07-30 | 2021-09-10 | 天津大学 | Automobile exhaust after-treatment method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114959256B (en) | 2023-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102390105B (en) | Waste heat recovery and material drying energy-saving system for intelligent environmental-friendly injection molding machine | |
| CN104566487B (en) | Totally-enclosed flue gas circulation system of straw gasification stove | |
| CN109974006A (en) | A kind of life refuse high temperature pyrolytic gasification processing system and technique | |
| CN202278706U (en) | Waste heat recovery/material-drying energy-saving system for intelligent environmental-friendly injection molding machine | |
| CN114959256A (en) | Oxygen enrichment system of sintering machine | |
| CN206817963U (en) | A kind of energy-saving tunnel kiln | |
| CN201964765U (en) | Energy-saving building porcelain kiln with waste heat reclaiming system | |
| CN213984522U (en) | Reflow furnace heat recovery device | |
| CN205383607U (en) | Rubbish is ashless to burn burning furnace | |
| CN208555492U (en) | Contaminated soil remediation device | |
| CN214307136U (en) | Organic waste gas treatment system for reclaimed rubber production | |
| CN205535860U (en) | Energy -saving dangerous waste incineration system | |
| CN205351339U (en) | Dregs of a decoction biomass fuel multi -fuel fired boiler | |
| CN213630437U (en) | Chain plate type garbage continuous incinerator | |
| CN103017330B (en) | Airtight automatic-oxygen-supply, twinbridge-smoke and smoke-drum energy-saving hot blast stove | |
| CN209537389U (en) | A kind of biomass environment-friendly production gas carbon furnace apparatus | |
| CN207911922U (en) | A kind of fuel combustion type, gas type hot-air rotary furnace | |
| CN206033541U (en) | Automatic turn -over dehydration machine of mud | |
| CN207146412U (en) | The clean stove of one kind energy-conservation heat | |
| CN201935384U (en) | Energy-saving and environment-friendly hot blast stove | |
| CN207050336U (en) | A kind of decoration sheet dry solidification heater | |
| CN206219631U (en) | Heat-treatment production line | |
| CN205746875U (en) | rubbish automatic conveying device | |
| CN214147940U (en) | Energy-saving device for printing machine | |
| CN219239497U (en) | Wet sludge energy-saving utilization equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |