CN105301170A - Multifunctional efficient sintering cup experimental device and method - Google Patents
Multifunctional efficient sintering cup experimental device and method Download PDFInfo
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- CN105301170A CN105301170A CN201410250362.6A CN201410250362A CN105301170A CN 105301170 A CN105301170 A CN 105301170A CN 201410250362 A CN201410250362 A CN 201410250362A CN 105301170 A CN105301170 A CN 105301170A
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Abstract
The invention discloses a multifunctional efficient sintering cup experimental device and method. The device comprises a mixing system, a sample splitter, a screening device (1), a dropping device (2), a dropping screening system (3), an air blast cooling device (4), rails (5), a sintering ore delivering trolley (6), a weighing device (7), a crushing device (8), a chimney (22) and two sets of independent systems: sintering cup slewing devices (10, 29), material distributing devices (12, 31), sintering cups (11, 30), ignition devices (9, 32), exhaust pipeline systems (13, 33), dust removers (16, 36), coolers (18, 38) and smoke exhaust fans (19, 39), wherein the double-station sintering cups are positioned on the two sides of the crushing device respectively; through a PLC, automatic control, detection and recording of technological parameters like the ignition temperature, the sintering negative pressure, the material layer temperature, the flue gas temperature, flow rate and components can be realized. According to the multifunctional efficient sintering cup experimental device and method, provided by the invention, the stability and accuracy of the sintering experiment can be improved.
Description
Technical field
The present invention relates to the sintering process in Ferrous Metallurgy, particularly a kind of multifunctional efficient sintered cup experimental provision and method.
Background technology
Sintering technology is the iron-bearing material agglomeration method that current iron and steel enterprise both at home and abroad the most extensively adopts.Fine ore and various iron content solid waste can become the iron-bearing material meeting blast furnace ironmaking requirement (of high grade, objectionable impurities is few, Well-recovered, and high-temperature behavior is excellent, and intensity is good, and granularity is suitable for, and chemical composition stability is even) after oversintering.In order to study and grasp principle and the method for iron ore powder sintering, optimize sintering process, need to carry out a large amount of sintering experiments in laboratory.Study raw material type, fuel with addition of technological parameters such as amount, sinter basicity, sintering negative pressure on the impact of the yield and quality of sintering deposit by a large amount of sintered cup experiment, provide foundation for optimizing SINTERING PRODUCTION technique and joining ore deposit and improve Sintering Operation Index.
Existing sintered cup experimental facilities primarily of screening plant 101, falling device 102, fall screening system 103, track 104, sintering deposit transport dolly 105, meausring apparatus 106, breaker 107, sintered cup slewing equipment 108, distribution device 109, sintered cup 110, portfire 111, smoke-exhaust pipeline system 112, flowmeter 113, fly-ash separator 114, smoke exhaust fan 115, variable valve 116 and chimney 117 form, see accompanying drawing 1.Its experimentation is: prepare sample size by sintered cup volume, again after mixing system mixed pelletization, by distribution device 109 cloth to sintered cup 110 li, then light a fire through portfire 111 and sinter, the sinter fume that sintering process produces is discharged in chimney 116 by smoke exhaust fan 115 after fly-ash separator 114 dedusting by smoke-exhaust pipeline system 112.After sintering completes, allowing heat sinter continue exhausting in sintered cup 110 is cooled to lower than 100 DEG C, with sintered cup slewing equipment 108 sintering deposit poured in breaker 107 again and carry out fragmentation, broken good sintering deposit to be transported to along track 104 automatically fall screening system 103 with being transported dolly 105 after meausring apparatus 106 is weighed, and falling device 102 is housed respectively and screening plant 101 can fall sintering deposit priority and sieve process automatically falling in screening system 103.
There is certain limitation in above-mentioned existing sintered cup experimental technique, normal sintering experiment can only be carried out, experimental period is long, and the net result of sintering can only be obtained, on-line checkingi can not be carried out to sintering process parameter (as material layer temperature, smoke components etc.), the impact of sintering process on sintering result cannot be furtherd investigate, also do not possess the condition of carrying out hot gas sintering or simulation sinter fume cycle sintering.In addition, owing to only having a sintered cup, when doing parallel laboratory test, reappearance is lower.And do twice experiment and carry out separately separately preparing burden and mixing granulation, easily cause the compound granularity fluctuation carrying out sintering large, affect experimental result.For ensureing experimental result reliability, carry out repeatedly parallel laboratory test, such experimental amount is comparatively large, and conventional efficient is low, both wastes manpower and materials, and the comparability of experimental result is also poor.
Chinese patent CN201285389Y discloses a kind of iron ore powder sintering cup experiment device, comprise sintered cup, control device and Displaying Meter, this device is above sintered cup, be equipped with distributing device and lighter, distributing device is on the rotary shaft set and lighter rotates around turning axle and moves up and down; Sintered cup bottom arranges opening and is communicated with one end of air draft pipe, and the other end of air draft pipe is communicated with Sinter air machine through fly-ash separator.Chinese patent CN201443955U discloses a kind of iron ore sintering experimental device, this device is made up of sintered cup and igniting cover, gas fan, combustion fan and air exhauster, igniting cover is positioned at the top of sintered cup, be connected with combustion fan with gas fan respectively with combustion-supporting pipeline by gas piping, the bottom of sintered cup is connected with air exhauster by sintering exhaust pipe, sintered cup and igniting cover thereof are more than 2, in parallel with each pipeline.Above-mentioned patent has certain progress in raising sintering experiment automaticity and stability, but do not possess the condition of carrying out sintering experiment procedure parameter (as material layer temperature, smoke components etc.) on-line checkingi and carrying out hot blast or simulated flue gas cycle sintering yet, and the process do not related to the dust produced in sintering experiment, efficiently under low dust emission condition cannot simulate various SINTERING PRODUCTION technique accurately.
Summary of the invention
The object of the present invention is to provide a kind of multifunctional efficient sintered cup experimental provision and method.The present invention not only can significantly improve the stability of sintering experiment efficiency and sintering experiment, accuracy, comparability and simulation, can also meet the dust discharge amount that different experiments requires and obviously reduces sintering experiment.
In order to realize above-mentioned technical purpose, the present invention adopts following technical scheme:
A kind of multifunctional efficient sintered cup experimental provision, comprises mixing system, screening plant, falling device, falls screening system, track, sintering deposit transport dolly, meausring apparatus, breaker, sintered cup slewing equipment, distribution device, sintered cup, portfire, smoke-exhaust pipeline system, fly-ash separator, smoke exhaust fan and chimney;
Described experimental provision also comprises sample spliter, blast cooling device, sintered cup slewing equipment, distribution device, sintered cup, portfire, smoke-exhaust pipeline system, fly-ash separator, smoke exhaust fan is two covers, be respectively: the first portfire, first sintered cup slewing equipment, first sintered cup and the first distribution device form the first station sintering device, first station sintering device connects the first smoke-exhaust pipeline system, first fly-ash separator, first refrigeratory and the first smoke exhaust fan, second portfire, second sintered cup slewing equipment, second sintered cup, second distribution device forms the second station sintering device, second station sintering device connects the second smoke-exhaust pipeline system, second fly-ash separator, second refrigeratory and the second smoke exhaust fan, finally gather and export chimney to, first, second station sintering device lays respectively at breaker both sides, and breaker connects meausring apparatus, and breaker is positioned at sintering deposit and transports above dolly, and sintering deposit transports dolly along rail moving to blast cooling device and can fall screening system,
Mixing system is connected, rear connection first distribution device and the second distribution device before described sample spliter;
At breaker and fall between screening system and arrange blast cooling device, blast cooling device connects after fly-ash separator and dedusting fan through dedusting pipe system and connects chimney; Described dedusting pipeline system input also accesses and falls screening system, falls screening system and comprises screening plant and falling device;
Described first, thermopair is installed in second portfire bottom, first, thermopair is installed at second sintered cup pedestal place, first, second sintered cup inserts thermopair along in the thermometer hole of short transverse, first, second smoke-exhaust pipeline system is arranged flow and take into account pressure difference transmitter and several smoke components measured holes, smoke components measured hole inserts flue gas analyzer, described multiple thermopair, flow takes into account pressure difference transmitter and flue gas analyzer output meets PLC, PLC connects first, second portfire and first, second smoke exhaust fan, ignition temperature is realized by PLC, sintering negative pressure, material layer temperature, the automatic control of flue-gas temperature flow Composition And Process parameter and detection record.
First, second sintered cup diameter described has 300mm, 200mm and 100mm, and height stepless changing between 400-1000mm, arranges 3-9 thermometer hole along short transverse.
First, second portfire described can provide again 100-300 DEG C of hot blast or simulated flue gas for carrying out sintering ignition.
First, second smoke-exhaust pipeline system described arranges variable valve respectively, and described variable valve controls by PLC.
Described dedusting pipe system arranges two-way variable valve, and a road variable valve access blast cooling device input dedusting pipeline system end, another road variable valve access falls screening system input dedusting pipeline system end, and described variable valve controls by PLC.
Described smoke components measured hole is opened in first, second fly-ash separator front and rear of first, second smoke-exhaust pipeline system.
A kind of multifunctional efficient sintered cup experimental technique, the steps include:
The first, by raw materials for sintering after mixing system mixed pelletization, be evenly divided into two parts through sample spliter, carry out parallel experiment, two parts of compounds respectively by the first distribution device and the second distribution device cloth in the first sintered cup and the second sintered cup;
Second, the first portfire and the second ignition device temperature and time is controlled by PLC, make the first portfire and the second portfire be separated by the some time to compound carry out igniting sintering, first portfire is discharged in chimney by the first smoke exhaust fan by the first smoke-exhaust pipeline system to the sinter fume that compound sintering process produces after the first fly-ash separator dedusting and the cooling of the first refrigeratory, second portfire is discharged in chimney by the second smoke exhaust fan by the second smoke-exhaust pipeline system to the sinter fume that compound sintering process produces after the second fly-ash separator dedusting and the cooling of the second refrigeratory, meanwhile to material layer temperature and sinter fume temperature, flow and composition carry out on-line checkingi record, and input in PLC,
3rd, in first sintered cup of lighting a fire in the ban, sintering process terminates rear use first sintered cup slewing equipment and is poured in breaker by heat sinter and carry out fragmentation, sintering deposit being transported dolly is placed in below breaker, and broken good heat sinter all falls into after sintering deposit transports dolly and weighs and record to heat sinter with meausring apparatus;
4th, the transport dolly that heat sinter is housed is moved on to air-blast cooling system place along track and carries out air blast cooling, cooling air by dedusting pipeline systematic collection, and is discharged in chimney after fly-ash separator dedusting;
5th, when sintering deposit temperature is lower than 100 DEG C, sintering deposit is transported to and automatically falls screening system, falling device and screening plant are housed respectively sintering deposit is successively fallen and sieves process automatically falling in screening system;
6th, the heat sinter in the second sintered cup that sintering deposit transport dolly is lighted a fire after getting back to again and transporting below breaker, then carry out successively weighing, cool, fall and sieving.
Dedusting pipe system arranges two-way variable valve, and variable valve controls by PLC with the dust removing effects strengthening dust pelletizing system; When blast cooling device is in opening and falls screening system not enabled, only open the variable valve of access blast cooling device, close the variable valve that access falls screening system simultaneously;
When fall screening system be in opening and blast cooling device not enabled time, only open access fall screening system variable valve and close access blast cooling device variable valve;
When falling screening system and blast cooling device enables simultaneously, the aperture of two variable valve is regulated to meet dedusting needs.
The present invention, by setting up double sintered cup, can carry out parallel laboratory test simultaneously, promotes experiment reappearance and efficiency; Adopt PLC can realize automatically accurately controlling and detection record of the technological parameter such as ignition temperature, sintering negative pressure, material layer temperature, flue-gas temperature flow composition, improve stability and the accuracy of sintering experiment; Adopt blast cooling device to cool sintering deposit, improve efficiency and the simulation of experiment; Employing can carry out the portfire that sintering ignition can provide again 100-300 DEG C of hot blast or simulated flue gas, thus not only can carry out normal sintering but also can carry out hot blast or simulated flue gas cycle sintering.
Compared with prior art, its beneficial effect is in the present invention:
(1) not only can meet various conventional requirement of experiment, also can meet hot blast or cycle sintering requirement of experiment, there is very strong versatility and practicality;
(2) sintering experiment efficiency can be significantly improved, reduce staff's labor capacity;
(3) stability of sintering experiment, accuracy, comparability and simulation can be improved, make sintering experiment result can well instruct and be applied in actual production;
(4) significantly can reduce the dust discharge amount of sintering experiment, make exhaust gas and dust content through smoke stack emission lower than 20mg/Nm
3, namely decrease environmental pollution, also improve the working environment of sintering experiment.
The present invention not only can significantly improve the stability of sintering experiment efficiency and sintering experiment, accuracy, comparability and simulation, can also meet the dust discharge amount that different experiments requires and obviously reduces sintering experiment.Can bring significant environmental benefit and economic benefit for sintering experiment, popularizing application prospect is wide.
Accompanying drawing explanation
Fig. 1 is existing sintered cup experimental provision structural representation;
Fig. 2 is multifunctional efficient sintered cup experimental provision structural representation of the present invention.
In figure: 101 screening plants, 102 falling devices, 103 fall screening system, 104 tracks, 105 sintering deposits transport dolly, 106 meausring apparatuses, 107 breakers, 108 sintered cup slewing equipments, 109 distribution devices, 110 sintered cups, 111 portfires, 112 smoke-exhaust pipeline systems, 113 flowmeters, 114 fly-ash separators, 115 smoke exhaust fans, 116 variable valve, 117 chimneys;
1 screening plant, 2 falling devices, 3 fall screening system, 4 blast cooling devices, 5 tracks, 6 sintering deposits transport dolly, 7 meausring apparatuses, 8 breakers, 9 first portfires, 32 second portfires, 10 first sintered cup slewing equipments, 29 second sintered cup slewing equipments, 11 first sintered cups, 30 second sintered cups, 12 first distribution devices, 31 second distribution devices, 13 first smoke-exhaust pipeline systems, 33 second smoke-exhaust pipeline systems, 14, 34 flows take into account pressure difference transmitter, 15, 17, 35, 37 smoke components measured holes, 16 first fly-ash separators, 25 fly-ash separators, 36 second fly-ash separators, 18 first refrigeratorys, 38 second refrigeratorys, 19 first smoke exhaust fans, 39 second smoke exhaust fans, 20, 21, 23, 27, 28, 40 variable valve, 22 chimneys, 24 dedusting fans, 26 dedusting pipe systems.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
See Fig. 2, a kind of multifunctional efficient sintered cup experimental provision, comprise mixing system (not marking in figure), sample spliter (not marking in figure), screening plant 1, falling device 2, fall screening system 3, blast cooling device 4, track 5, sintering deposit transports dolly 6, meausring apparatus 7, breaker 8, chimney 22, and two overlap independently system: the first system is: the first portfire 9, first sintered cup slewing equipment 10, first sintered cup 11, first distribution device 12, first smoke-exhaust pipeline system 13, first fly-ash separator 16, first refrigeratory 18, first smoke exhaust fan 19, second system is: the second portfire 32, second sintered cup slewing equipment 29, second sintered cup 30, second distribution device 31, second smoke-exhaust pipeline system 33, second fly-ash separator 36, second refrigeratory 38, second smoke exhaust fan 39.
Described first portfire 9, first sintered cup slewing equipment 10, first sintered cup 11 and the first distribution device 12 form the first station sintering device, second portfire 32, second sintered cup slewing equipment 29, second sintered cup 30, second distribution device 31 forms the second station sintering device, first, second station sintering device lays respectively at breaker 8 both sides, breaker 8 connects meausring apparatus 7, breaker 8 is positioned at sintering deposit and transports above dolly 6, sintering deposit transports dolly 6 and can move to blast cooling device 4 along track 5 and fall screening system 3, fall screening system 3 and comprise screening plant 1 and falling device 2.Set up the first sintered cup 11 and the second sintered cup 30 of double, parallel laboratory test can be carried out simultaneously, unified batching and mixing granulation is adopted when doing parallel laboratory test, two parts are evenly divided into by compound sample spliter to test for two sintering stations, parallel laboratory test is carried out as far as possible at identical conditions, thus promotes experiment reappearance and efficiency.
First station sintering device connects the first smoke-exhaust pipeline system 13, first fly-ash separator 16, first refrigeratory 18 and the first smoke exhaust fan 19, second station sintering device connects the second smoke-exhaust pipeline system 33, second fly-ash separator 36, second refrigeratory 38 and the second smoke exhaust fan 39, finally gathers and exports chimney 22 to.In order to ensure the reliable and stable operation of first, second smoke exhaust fan 19,39, first, second smoke exhaust fan 19,39 adopts multistage centrifugal high pressure positive blower, and installs first, second refrigeratory 18,38 before first, second smoke exhaust fan 19,39.
Mixing system is connected, rear connection first distribution device 12 and the second distribution device 31 before described sample spliter.
At breaker 8 and fall between screening system 3 and arrange blast cooling device 4, blast cooling device 4 connects after fly-ash separator 25 and dedusting fan 24 through dedusting pipe system 26 and connects chimney 22, and variable valve 21 and 23 is housed in the rear and front end of chimney 22.Take the outer type of cooling of sintered cup for heat of cooling sintering deposit, efficiency and the simulation of experiment can be improved.
In order to reduce the dust discharge amount of sintering experiment, first, second smoke-exhaust pipeline system 13,33 connecting first, second sintered cup 11,30 installs first, second fly-ash separator 16,36, the dedusting pipe system 26 connecting blast cooling device 4 and fall screening system 3 installs fly-ash separator 25, makes exhaust gas and dust content through the outer row of chimney 22 lower than 20mg/Nm
3.
Described first, second portfire 9, thermopair is installed in 32 bottoms, and first, second sintered cup 11, thermopair is installed at 30 pedestal places, and first, second sintered cup 11, 30 insert thermopair along in the thermometer hole of short transverse, first, second smoke-exhaust pipeline system 13, flow is set on 33 and takes into account pressure difference transmitter 14, 34 and several smoke components measured holes 15, 17, 35, 37, smoke components measured hole inserts flue gas analyzer, described smoke components measured hole 15, 17, 35, 37 are opened in two independently first, second smoke-exhaust pipeline system 13, 33 first, second fly-ash separator 16, 36 front and rears, described multiple thermopair, flow takes into account pressure difference transmitter 14, 34 and flue gas analyzer export meet PLC, PLC connect first, second portfire 9, 32 and first, second smoke exhaust fan 19, 39, realize ignition temperature by PLC, sintering negative pressure, material layer temperature, automatically accurately controlling and detection record of flue-gas temperature flow Composition And Process parameter, improves stability and the accuracy of sintering experiment, and for studying the impact of sintering process on experimental result.
First, second sintered cup 11,30 diameter of described double sintering device has 300mm, 200mm and 100mm, height stepless changing between 400-1000mm, 3-9 thermometer hole can be set along short transverse, sintered cup diameter and alterable height, different experimental conditions demand can be met.
First, second portfire 9,32 described can provide again 100-300 DEG C of hot blast or simulated flue gas for carrying out sintering ignition, thus not only can carry out normal sintering but also can carry out hot blast or simulated flue gas circulation burning.
First, second smoke-exhaust pipeline system 13,33 described is provided with a variable valve 20,40 respectively, described variable valve 20,40 controls, with precise fine-adjustment sintering negative pressure, to adopt PLC to control first, second smoke exhaust fan 19,39 and realize when sintering negative pressure adjustment by a relatively large margin by PLC.
Described dedusting pipe system 26 input end also accesses the screening plant 1, the falling device 2 that fall screening system 3.Described dedusting pipe system 26 is arranged two-way variable valve 27,28, No. one variable valve 28 accesses blast cooling device 4 and inputs dedusting pipe system 26 end, the access of another road variable valve 27 falls screening system 3 and inputs dedusting pipe system 26 end, and described variable valve 27,28 controls by PLC with the dust removing effects strengthening dust pelletizing system.
A kind of multifunctional efficient sintered cup experimental technique, the steps include:
The first, by raw materials for sintering after mixing system mixed pelletization, be evenly divided into two parts through sample spliter, carry out parallel experiment, two parts of compounds respectively by the first distribution device 12 and the second distribution device 31 cloth in the first sintered cup 11 and the second sintered cup 30;
Second, controlled for the first portfire 9 and the second portfire 32 ignition temperature and time by PLC, make the first portfire 9 and the second portfire 32 be separated by the some time to compound carry out igniting sintering, the sinter fume that first portfire 9 pairs compound sintering process produces is discharged in chimney 22 by the first smoke exhaust fan 19 by the first smoke-exhaust pipeline system 13 after the first fly-ash separator 16 dedusting and the cooling of the first refrigeratory 18, the sinter fume that second portfire 32 pairs compound sintering process produces is discharged in chimney 22 by the second smoke exhaust fan 39 by the second smoke-exhaust pipeline system 33 after the second fly-ash separator 36 dedusting and the cooling of the second refrigeratory 38, meanwhile to material layer temperature and sinter fume temperature, flow and composition carry out on-line checkingi record, and input in PLC,
3rd, in first sintered cup 11 of lighting a fire in the ban, sintering process terminates rear use first sintered cup slewing equipment 10 and is poured in breaker 8 by heat sinter and carry out fragmentation, sintering deposit being transported dolly 6 is placed in below breaker 8, and broken good heat sinter all falls into after sintering deposit transports dolly 6 and weighs and record with meausring apparatus 7 pairs of heat sinters;
4th, the transport dolly 6 that heat sinter is housed is moved on to air-blast cooling system 4 place along track 5 and carries out air blast cooling, cooling air is collected by dedusting pipe system 26, and is discharged in chimney 22 after fly-ash separator 25 dedusting;
5th, when sintering deposit temperature is lower than 100 DEG C, sintering deposit is transported to and automatically falls screening system 3, falling device 2 is housed respectively and the screening plant 1 pair of sintering deposit successively falls and sieves process automatically falling in screening system 3;
6th, the heat sinter in the sintered cup 30 that sintering deposit transport dolly 6 is lighted a fire after getting back to again and transporting below breaker 8, then carry out successively weighing, cool, fall and sieving.
Dedusting pipe system 26 arranges two-way variable valve 27 and 28, described variable valve 27,28 controls by PLC with the dust removing effects strengthening dust pelletizing system, when blast cooling device 4 is in opening and falls screening system 3 not enabled, only open the variable valve 28 of access blast cooling device 4, close the variable valve 27 that access falls screening system 3 simultaneously;
When fall screening system 3 be in opening and blast cooling device 4 not enabled time, only open access fall screening system 3 variable valve 27 and close access blast cooling device 4 variable valve 28;
When falling screening system 3 and blast cooling device 4 enables simultaneously, the aperture of variable valve 27 and 28 is regulated to meet dedusting needs as required.
The specific experiment process of a kind of multifunctional efficient sintered cup of the present invention is:
Raw materials for sintering is after mixing system mixed pelletization, 2 parts are divided into uniformly through sample spliter, compound after point good respectively by the first distribution device 12 and the second distribution device 31 cloth to the first sintered cup 11 and the second sintered cup 30 li, then make the first portfire 9 and the second portfire 32 be separated by 5-30min to compound carry out igniting sintering, the sinter fume that first portfire 9 pairs compound sintering process produces is discharged in chimney 22 by the first smoke exhaust fan 19 by the first smoke-exhaust pipeline system 13 after the first fly-ash separator 16 dedusting and the cooling of the first refrigeratory 18, the sinter fume that second portfire 32 pairs compound sintering process produces is discharged in chimney 22 by the second smoke exhaust fan 39 by the second smoke-exhaust pipeline system 33 after the second fly-ash separator 36 dedusting and the cooling of the second refrigeratory 38, meanwhile can to material layer temperature and sinter fume temperature, flow and composition carry out on-line checkingi and record.In first sintered cup 11 of lighting a fire in the ban, sintering process terminates rear use first sintered cup slewing equipment 10 and is poured in breaker 8 by heat sinter and carry out fragmentation, now needing sintering deposit to be transported dolly 6 is placed in below breaker 8, broken good heat sinter all falls into after sintering deposit transports dolly 6 and weighs and record with meausring apparatus 7 pairs of heat sinters, then the transport dolly 6 that heat sinter is housed is moved on to air-blast cooling system 4 place along track 5 and carry out air blast cooling, cooling air is collected by dedusting pipe system 26, and is discharged in chimney 22 after fly-ash separator 25 dedusting.When sintering deposit temperature is lower than 100 DEG C, sintering deposit is transported to and automatically falls screening system 3, falling device 2 and screening plant 1 are housed respectively successively can fall and sieve process sintering deposit automatically falling in screening system 3.Heat sinter in the second sintered cup 30 that the dolly 6 of sintering deposit transport is afterwards lighted a fire after getting back to again and transporting below breaker 8, then carry out successively weighing, cool, fall and sieving.The raw material carrying out parallel laboratory test is like this same, and experimentation also almost completes simultaneously, namely improves conventional efficient, also improves the reappearance of experiment, accuracy, comparability and simulation.
These are only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention, therefore, all any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a multifunctional efficient sintered cup experimental provision, comprises mixing system, screening plant (1), falling device (2), falls screening system (3), track (5), sintering deposit transport dolly (6), meausring apparatus (7), breaker (8), sintered cup slewing equipment, distribution device, sintered cup, portfire, smoke-exhaust pipeline system, fly-ash separator, smoke exhaust fan and chimney (22);
It is characterized in that: described experimental provision also comprises sample spliter, blast cooling device (4), sintered cup slewing equipment, distribution device, sintered cup, portfire, smoke-exhaust pipeline system, fly-ash separator, smoke exhaust fan is two covers, be respectively: the first portfire (9), first sintered cup slewing equipment (10), first sintered cup (11) and the first distribution device (12) form the first station sintering device, first station sintering device connects the first smoke-exhaust pipeline system (13), first fly-ash separator (16), first refrigeratory (18) and the first smoke exhaust fan (19), second portfire (32), second sintered cup slewing equipment (29), second sintered cup (30), second distribution device (31) forms the second station sintering device, second station sintering device connects the second smoke-exhaust pipeline system (33), second fly-ash separator (36), second refrigeratory (38) and the second smoke exhaust fan (39), finally gather and export chimney (22) to, first, second station sintering device lays respectively at breaker (8) both sides, breaker (8) connects meausring apparatus (7), breaker (8) is positioned at sintering deposit and transports dolly (6) top, and sintering deposit transports dolly (6) and can move to blast cooling device (4) along track (5) and fall screening system (3),
Mixing system is connected, rear connection first distribution device (12) and the second distribution device (31) before described sample spliter;
At breaker (8) and fall between screening system (3) and arrange blast cooling device (4), blast cooling device (4) connects after fly-ash separator (25) and dedusting fan (24) through dedusting pipe system (26) and connects chimney (22); Described dedusting pipe system (26) input end also accesses and falls screening system (3), falls screening system (3) and comprises screening plant (1) and falling device (2);
Described first, second portfire (9, 32) thermopair is installed in bottom, first, second sintered cup (11, 30) thermopair is installed at pedestal place, first, second sintered cup (11, 30) thermopair is inserted along in the thermometer hole of short transverse, first, second smoke-exhaust pipeline system (13, 33) flow is set on and takes into account pressure difference transmitter (14, 34) and several smoke components measured holes (15, 17, 35, 37), smoke components measured hole (15, 17, 35, 37) flue gas analyzer is inserted, described multiple thermopair, flow takes into account pressure difference transmitter (14, 34) and flue gas analyzer export meet PLC, PLC connects first, second portfire (9, 32) and the first, second smoke exhaust fan (19, 39), ignition temperature is realized by PLC, sintering negative pressure, material layer temperature, the automatic control of flue-gas temperature flow Composition And Process parameter and detection record.
2. multifunctional efficient sintered cup experimental provision according to claim 1, it is characterized in that: first, second sintered cup described (11,30) diameter has 300mm, 200mm and 100mm, height stepless changing between 400-1000mm, arranges 3-9 thermometer hole along short transverse.
3. multifunctional efficient sintered cup experimental provision according to claim 1, is characterized in that: first, second portfire described (9,32) can provide again 100-300 DEG C of hot blast or simulated flue gas for carrying out sintering ignition.
4. multifunctional efficient sintered cup experimental provision according to claim 1, is characterized in that: described first, second smoke-exhaust pipeline system (13,33) arranges variable valve (20,40) respectively, and described variable valve (20,40) controls by PLC.
5. multifunctional efficient sintered cup experimental provision according to claim 1, it is characterized in that: described dedusting pipe system (26) arranges two-way variable valve, No. one variable valve (28) access blast cooling device (4) input dedusting pipe system (26) end, the access of another road variable valve (27) falls screening system (3) input dedusting pipe system (26) end, and described variable valve (27,28) controls by PLC.
6. multifunctional efficient sintered cup experimental provision according to claim 1, is characterized in that: described smoke components measured hole (15,17,35,37) is opened in first, second fly-ash separator (16, the 36) front and rear of first, second smoke-exhaust pipeline system (13,33).
7. a multifunctional efficient sintered cup experimental technique, is characterized in that:
First, by raw materials for sintering after mixing system mixed pelletization, evenly be divided into two parts through sample spliter, carry out parallel experiment, two parts of compounds respectively by the first distribution device (12) and the second distribution device (31) cloth in the first sintered cup (11) and the second sintered cup (30);
Second, the first portfire (9) and the second portfire (32) ignition temperature and time is controlled by PLC, make the first portfire (9) and the second portfire (32) be separated by the some time to compound carry out igniting sintering, first portfire (9) is discharged in chimney (22) by the first smoke exhaust fan (19) by the first smoke-exhaust pipeline system (13) to the sinter fume that compound sintering process produces after (16) dedusting of the first fly-ash separator and the first refrigeratory (18) cooling, second portfire (32) is discharged in chimney (22) by the second smoke exhaust fan (39) by the second smoke-exhaust pipeline system (33) to the sinter fume that compound sintering process produces after (36) dedusting of the second fly-ash separator and the second refrigeratory (38) cooling, meanwhile to material layer temperature and sinter fume temperature, flow and composition carry out on-line checkingi record, and input in PLC,
3rd, sintering process terminates rear use first sintered cup slewing equipment (10) and is poured into by heat sinter in breaker (8) and carry out fragmentation in first sintered cup (11) of lighting a fire in the ban, sintering deposit is transported dolly (6) and be placed in breaker (8) below, broken good heat sinter all falls into sintering deposit transport dolly (6) and uses meausring apparatus (7) to weigh and record to heat sinter afterwards;
4th, the transport dolly (6) that heat sinter is housed is moved on to air-blast cooling system (4) place along track (5) and carries out air blast cooling, cooling air is collected by dedusting pipe system (26), and is discharged into after fly-ash separator (25) dedusting in chimney (22);
5th, when sintering deposit temperature is lower than 100 DEG C, sintering deposit is transported to and automatically falls screening system (3), falling device (2) and screening plant (1) are housed respectively sintering deposit is successively fallen and sieves process automatically falling in screening system (3);
6th, sintering deposit transports the heat sinter in second sintered cup (30) of lighting a fire after the transport of breaker (8) below got back to again by dolly (6), then carries out successively weighing, cool, fall and sieving.
8. multifunctional efficient sintered cup experimental technique according to claim 7, is characterized in that: in dedusting pipe system (26), arrange two-way variable valve (27) and (28), and variable valve controls by PLC with the dust removing effects strengthening dust pelletizing system; When blast cooling device (4) is in opening and falls screening system (3) not enabled, only open the variable valve (28) of access blast cooling device (4), close the variable valve (27) that access falls screening system (3) simultaneously;
When fall screening system (3) be in opening and blast cooling device (4) not enabled time, only open access fall screening system (3) variable valve (27) and close access blast cooling device (4) variable valve (28);
When falling screening system (3) and blast cooling device (4) enables simultaneously, the aperture of variable valve (27) and (28) is regulated to meet dedusting needs.
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