CN103954144A - Sintering annular cooler cooling process monitoring system and control method - Google Patents
Sintering annular cooler cooling process monitoring system and control method Download PDFInfo
- Publication number
- CN103954144A CN103954144A CN201410155115.8A CN201410155115A CN103954144A CN 103954144 A CN103954144 A CN 103954144A CN 201410155115 A CN201410155115 A CN 201410155115A CN 103954144 A CN103954144 A CN 103954144A
- Authority
- CN
- China
- Prior art keywords
- temperature
- cooler
- section
- sections
- shutter
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 49
- 238000005245 sintering Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000012544 monitoring process Methods 0.000 title claims abstract description 37
- 230000008569 process Effects 0.000 title abstract description 8
- 239000000779 smoke Substances 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 54
- 239000011707 mineral Substances 0.000 claims description 54
- 238000007599 discharging Methods 0.000 claims description 32
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 23
- 239000003546 flue gas Substances 0.000 claims description 23
- 238000011084 recovery Methods 0.000 claims description 10
- 239000002918 waste heat Substances 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000005619 thermoelectricity Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000002699 waste material Substances 0.000 description 6
- 239000003500 flue dust Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 206010020843 Hyperthermia Diseases 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 101100116191 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) DCS2 gene Proteins 0.000 description 2
- 101001008619 Tityus serrulatus Peptide TsPep3 Proteins 0.000 description 2
- 101001008616 Tityus serrulatus Potassium channel toxin epsilon-KTx 1.1 Proteins 0.000 description 2
- 101001008617 Tityus serrulatus Potassium channel toxin epsilon-KTx 1.2 Proteins 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000036031 hyperthermia Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Landscapes
- Furnace Details (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a sintering annular cooler cooling process monitoring system and a control method, which are used for realizing the automatic control on ore cooling and saving energy sources. A cooling system comprises an annular cooler (1), a DCS (distributed control system) (2), cold air blast blowers (3), smoke discharge pipelines (4) and temperature measuring devices (5), wherein the bottom of each section of the annular cooler (1) is connected with one cold air blast blower (3) through an air inlet door (6), the temperature measuring devices (5) are respectively arranged on sealing smoke hoods of each section of the annular cooler (1) and are used for measuring the temperature of ore on different sections in the annular cooler in real time, the temperature measuring devices (5) are respectively arranged on the smoke discharge pipelines (4) connected with the first section and the second section of the annular cooler (1), and the DCS (2) is respectively connected with each temperature measuring device (5) and each air inlet door (6).
Description
Technical field
The present invention relates to the cooling mineral aggregate technical field of central cooler, relate in particular to a kind of sintering circular-cooler cooling procedure monitoring system and control method.
Background technology
In sintering production process, after the reaction of combustion-type mineralising occurs mixing mineral aggregate on sintering lathe, it is cooling that high temperature mineral aggregate enters central cooler, finally to screening system, sends into blast furnace ironmaking by Belt Conveying again.Sintering circular-cooler (hereinafter to be referred as central cooler) is a kind of large-scale circular cooling device, its internal-and external diameter is determined its effective cooling area, traditionally central cooler is divided into five sections of mutual isolation, each section of bottom is equipped with a bulging air-cooler to carry out cooling to mineral aggregate, high temperature sintering mineral aggregate is entered by central cooler one paragraph header portion, after cooling, is discharged by five segment trailers.
In process of production, operating personnel's work mainly concentrates on mineral aggregate and enters in central cooler link before, at central cooler, mineral aggregate is carried out in cooling process, in unserviced state, but owing to mixing mineral mixture ratio, burning terminal control and the irrational impact of drum air volume conveyed, often there is part mineral aggregate excess Temperature, even second-time burning and burn out the phenomenon of downstream belt conveyor on central cooler, produce and impact to downstream, so, in actual production process, the mode generally adopting for fear of the problems referred to above is that all bulging air-coolers are opened to relatively high power, ensure the required air quantity of cooling mineral aggregate in central cooler, although this way can reach cooling to mineral aggregate, but but waste more electric energy.
Summary of the invention
In order to solve in prior art, in central cooler, carry out mineral aggregate when cooling, for fear of part mineral aggregate excess Temperature, downstream is produced the impact causing, add the technical problem that big drum air-cooler power causes energy waste, the invention provides a kind of sintering circular-cooler cooling procedure monitoring system and control method, reduce the waste of the energy in mineral aggregate cooling procedure, the invention provides following technical scheme:
A kind of sintering circular-cooler cooling procedure monitoring system, comprising:
Sintering circular-cooler (1), distributed monitoring control system (2), drum air-cooler (3), smoke discharging pipe (4) and temperature measuring equipment (5);
Wherein, described sintering circular-cooler (1) is divided into multistage, the bottom of each section connects a bulging air-cooler (3) by shutter (6), on the sealing petticoat pipe of each section of sintering circular-cooler (1), be provided with temperature measuring equipment (5), for measuring in real time the mineral aggregate temperature in the different sections of central cooler; One section with above two sections, be connected respectively a smoke discharging pipe (4);
Being also respectively arranged with temperature measuring equipment (5) with on one section of sintering circular-cooler (1) and two sections of smoke discharging pipes that are connected (4), for measuring in real time the flue-gas temperature of smoke discharging pipe (4);
Described distributed monitoring control system (2) is connected with each temperature measuring equipment (5) and each shutter (6) respectively.
The present invention also provides a kind of sintering circular-cooler cooling control method, and described method comprises:
Distributed monitoring control system (2) gathers the mineral aggregate temperature of described preset by temperature measuring equipment (5) corresponding to the upper preset of (1) one section of sintering circular-cooler and two sections, and, the temperature of flue gas in the smoke discharging pipe (4) of one section, two sections connection;
Distributed monitoring control system (2), according to the temperature value of the premises gathering, is determined the adjustment parameter size that need to regulate the shutter which section is corresponding (6) and shutter (6);
Send and carry the control instruction of adjusting parameter size to shutter to be regulated (6), regulate the aperture of shutter (6).
From technical scheme provided by the invention, in sintering circular-cooler (the follow-up abbreviation central cooler) process cooling to mineral aggregate, at each section of difference set temperature measurement mechanism of central cooler, for real-time each section of corresponding mineral aggregate temperature, simultaneously, on one section and two sections of corresponding smoke discharging pipes, corresponding temperature measuring equipment is also set, for measuring the temperature on smoke discharging pipe, distributed monitoring control system is connected with all temperature measuring equipment and shutter, the temperature value collecting by the each temperature measuring equipment of real-time collecting, can judge that the shutter which section of central cooler is corresponding needs to regulate, and then can regulate by the mode of sending controling instruction the aperture of the shutter of this section, both can realize the automatic control to mineral aggregate cooling procedure, compared with the aperture of all shutters being reached in prior art to larger state, can reduce again the waste to the energy.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of sintering circular-cooler cooling procedure monitoring system embodiment provided by the invention;
Fig. 2 is that in described Fig. 1, central cooler temperature point arranges schematic diagram;
Fig. 3 is the mineral aggregate cooling procedure temperature curve of a kind of sintering circular-cooler cooling procedure monitoring system provided by the invention correspondence under the setting shown in Fig. 2;
Fig. 4 is the flow chart of a kind of sintering circular-cooler cooling control method embodiment provided by the invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Technical scheme provided by the invention is done to detailed disclosed explanation below, first, shown in figure 1, for the preferred structural representation of a kind of sintering circular-cooler cooling procedure monitoring system provided by the invention, in following embodiment provided by the invention, its corresponding structure comprises the some or all of part of system shown in Figure 1.Shown in figure 1, a kind of sintering circular-cooler cooling procedure monitoring system embodiment 1 provided by the invention, described system can comprise: sintering circular-cooler 1(is hereinafter to be referred as central cooler), distributed monitoring control system 2, drum air-cooler 3, smoke discharging pipe 4 and temperature measuring equipment 5;
It should be noted that, for the clearer annexation that other parts are shown, being connected in Fig. 1 of distributed monitoring control system and miscellaneous part is also not shown.
Wherein, described central cooler 1 is divided into multistage, the bottom of each section is by schematically illustrating a place taking two sections as example in shutter 6(Fig. 1) connect mono-section to five sections corresponding bulging air-cooler of a bulging air-cooler 3(and be 3, in Fig. 1, only schematically illustrate taking one section as example), on the sealing petticoat pipe of central cooler 1 each section, be provided with temperature measuring equipment 5, for measuring in real time the mineral aggregate temperature in the different sections of central cooler; On one section, connect a smoke discharging pipe 4, meanwhile, on two sections, also connect a smoke discharging pipe 4; And be provided with temperature measuring equipment 5 at one section with on two sections of smoke discharging pipes that are connected respectively 4, for measuring in real time the flue-gas temperature of smoke discharging pipe 4; Described distributed monitoring control system 2 is connected with each temperature measuring equipment 5 and each shutter 6 respectively.
Wherein, drum air-cooler 3 provides cold wind for central cooler 1, with cooling mineral aggregate, can regulate from drum air-cooler 3 and enter the air quantity central cooler 1 by the aperture of control shutter 6, DCS2 goes up and is arranged on the temperature side amount device 5 on smoke discharging pipe 4 by being arranged on each section of central cooler 1, temperature and the ducted flue-gas temperature of each section of upper mineral aggregate of Real-time Obtaining central cooler 1, by detecting real time temperature, the aperture of the shutter to drum air-cooler 3 correspondences regulates, reach the automatic control cooling to mineral aggregate, and save the object of the energy.
Preferably, described temperature measuring equipment 5 is occasionally thermal resistance of thermoelectricity; DCS2 adopts wired or wireless mode all can while connection with temperature measuring equipment and shutter, the working environment of considering central cooler is generally more severe, have a large amount of flue dust, and flue dust can produce certain impact to the propagation of wireless signal, so, preferably can select wired (such as cable) mode, not do concrete restriction here.
For the ease of there is one to understand more intuitively to the beneficial effect of mineral aggregate cooling system provided by the invention, here illustrate, in the conventional mode, central cooler 1 is generally divided into five sections (with reference to figure 1), suppose that one section and two sections arranges respectively 3 temperature measuring equipments, the number of one section and the two sections upper temperature measuring equipment arranging is not done concrete restriction, can specifically arrange according to actual application environment.The temperature that temperature measuring equipment on one section of corresponding petticoat pipe is measured is designated as respectively T11, T12, T13, the temperature that temperature measuring equipment on two sections of petticoat pipes is measured is designated as respectively T21, T22, T23, in order to ensure the degree of accuracy of the mineral aggregate temperature gathering, in practical operation, temperature measuring equipment is placed on to the place near mineral aggregate top layer in petticoat pipe.On the flue 5 of one section of connection, be provided with temperature measuring equipment (taking 1 as example), the temperature of its measurement is designated as T1, and in like manner, the temperature that the temperature measuring equipment that the flue 5 of two sections of connections of note arranges is measured is T2.Equally can set temperature measuring point on three sections to five sections, corresponding, can be with reference to figure 2, a kind of schematic diagram of the temperature point arranging for central cooler.A temperature point is placed a temperature measuring equipment, in one section, two sections higher regions of temperature, evenly (preferably can evenly arrange) is provided with the temperature measuring equipment of 3 insertion depths near mineral aggregate top layer respectively, in the lower region of temperature, a temperature measuring equipment is only installed, the temperature of measurement is sent to DCS by temperature measuring equipment.
Give an example with reference to above-mentioned, DCS is exemplified below the control of drum air-cooler 4:
It is T11, T12, T13 that note DCS collects the temperature that 3 temperature measuring equipments on central cooler one section of petticoat pipe (in Fig. 1 from left to right) record, and to calculate its mean value be T1p, the temperature that 3 temperature measuring equipments on two sections of petticoat pipes of central cooler (in Fig. 1 from left to right) record is T21, T22, T23, calculates its mean value T2p; The temperature that in one section of corresponding flue 5, temperature measuring equipment records is T1, and the temperature that in two sections of corresponding flues 5, temperature measuring equipment records is T2.
When mean temperature T1p is lower than Ts11, and T1 is during lower than Tf11, and the shutter 7 of one section of corresponding bulging air-cooler 4 closes to the first default aperture, such as 80% of maximum opening;
When mean temperature T1p is lower than Ts12, and T1 is during lower than Tf12, and the shutter 7 of drum air-cooler 4 closes to the second default aperture, such as 60% of maximum opening;
When mean temperature T1p is lower than Ts13, and T1 is during lower than Tf13, and the shutter 7 of drum air-cooler 4 closes to the 3rd default aperture, such as 50% of maximum opening;
When T2p is lower than Ts21, and T2 is lower than Tf21, and the shutter 7 of drum air-cooler 4 closes to the 4th default aperture, such as 80% of maximum opening;
When T2p is lower than Ts22, and T2 is lower than Tf22, and the shutter 7 of drum air-cooler 4 closes to the 5th default aperture, such as 60% of maximum opening;
When T2p is lower than Ts23, and T2 is lower than Tf23, and the shutter 2 of 1# drum air-cooler 4 closes to the 6th default aperture, such as 50% of maximum opening.
It should be noted that, the value of above-mentioned each default aperture and (Ts11, Tf11), (Ts12, Tf12), (Ts13, Tf13), (Ts21, Tf21) (Ts22, Tf22) (Ts32, Tf32), all can arrange according to the characteristics such as the model of the central cooler using and actual service condition, not do concrete restriction here.
Further, at sintering mineral aggregate in process of production, the situation that also has local mineral aggregate excess Temperature occurs, if amount of cooling water not or do not detect and may produce the accident that burns out downstream belt conveyor by this part mineral aggregate.Based on embodiment 1, can find in time the position at high-temperature area place by DCS, but central cooler is generally larger, and the length of each section also has 4-5 rice at least, if high-temperature area is less, directly adopt the shutter aperture that strengthens high-temperature area place section correspondence will inevitably waste the more energy.In actual production, flue gas in central cooler is directly discharged into the pollution that causes air in air, for addressing the above problem, shown in figure 1, the present invention also provides a kind of sintering circular-cooler cooling procedure monitoring system embodiment 2, on the basis of embodiment 1, further comprise waste-heat recovery device 7 and circulating fan 8, described waste-heat recovery device 7 one end are connected with smoke discharging pipe 4, to the processing of lowering the temperature of the flue gas of one section and two sections discharge, export circulating fan 8 to; Described circulating fan 8 is connected with multiple air inlet pipelines of 1 one sections, two sections bottoms of central cooler respectively, the shutter being provided with on each air inlet pipeline between one section, two sections of shutter 9(circulating fan and central cooler is 9, one place is only schematically shown) in Fig. 1, wherein, the shutter 9 on described circulating fan 8 and air inlet pipeline is also connected with distributed monitoring control system 2 respectively.
Waste-heat recovery device 7 and circulating fan 8 carry out fume afterheat utilization process, and the heat energy reclaiming in sintering mineral aggregate generates electricity or heats, and realize recycling and reducing the pollution to air to flue gas of the energy.Simultaneously, automatic adjusting by DCS to each shutter aperture, avoid when heat energy in sintering mineral aggregate is less, temperature is when lower, air door corresponding to drum air-cooler turns down not in time and mixes a large amount of cold wind in flue gas recirculation, drag down flue-gas temperature, affect off-gas recovery utilization, reduce the problem of energy recovery rate.
In addition, waste-heat recovery device 7 is lowered the temperature by the mode of generating electricity or heating to the flue gas in smoke discharging pipe 4, output low-temperature flue gas (being generally 100 degree left and right) is to circulating fan, in the time there is the situation of localized hyperthermia, adopt circulating fan to lower the temperature, shown in figure 1, circulating fan 8 respectively with 1 one sections of central coolers, two sections of bottoms multiple (in Fig. 1 taking 2 as example, concrete number can be according to practical application setting) air inlet pipeline connects, on each air inlet pipeline, shutter 9 is installed, for high-temperature area, can be targetedly to mineral aggregate cooling processing, adopt the nearest shutter 9 in this region of adjustable range to carry out the cooling of high-temperature area frame mineral aggregate.
Give an example, for convenience of description, shutter 9 is from left to right designated as respectively to 91,92,93,94, when the value of T11 and T12 exceedes predetermined threshold value, and when T13, T21, T22, T23 do not exceed the predetermined threshold value of phase corresponding points, shutter 91 is opened large 3%, 92,93,94 and is turned down 3%;
In the time that the value of T12 and T13 exceedes predetermined threshold value and T11, T21, T22, T23 and do not exceed the predetermined threshold value of corresponding points, shutter 91,93 and 94 turns down 3%, and shutter 92 opens large 3%.
In the time that T21 and T22 exceed predetermined threshold value and T11, T12, T13, T23 and do not exceed the predetermined threshold value of corresponding points, shutter 91,92 and 94 turns down 3%, and shutter 93 opens large 3%.
In the time that T22 and T23 exceed predetermined threshold value and T11, T12, T13, T21 and do not exceed the predetermined threshold value of corresponding points, shutter 91,92 and 93 turns down 3%, and shutter 94 opens large 3%.
In the time that T11, T12 and T13 exceed predetermined threshold value and T21, T22, T23 and do not exceed the predetermined threshold value of corresponding points, shutter 93 and 94 turns down 3%, and shutter 91 and 92 opens large 3%.
In the time that T21, T22 and T23 exceed predetermined threshold value and T11, T12, T13 and do not exceed the predetermined threshold value of corresponding points, shutter 91 and 92 turns down 3%, and shutter 93 and 94 opens large 3%.
It should be noted that, above-mentioned for example in, described predetermined threshold value, the sections different according to concrete use can be set to difference, and 3% only for illustrating explanation, are not limitation of the invention.
In sintering production process, if after generation burning point is too leaned on, even do not grill thoroughly, and on central cooler, there is second-time burning, producing larger heat energy also cannot be cooling rapidly, DCS system detects by temperature point, find that one section of temperature is very high, and two sections of temperature are also higher, to such an extent as to the aperture of the shutter 6 of adjustment drum air-cooler 4, and after the aperture of shutter 9 corresponding to circulating fan, mineral aggregate cooling effect is still poor, now, the present invention also provides a kind of mineral aggregate cooling system embodiment 3, on the basis of embodiment 2, described system also comprises: be arranged on and enter cold-air flap 10 between waste-heat recovery device 7 and circulating fan 8, this enters cold-air flap 10 and is also connected with distributed monitoring control system 2.
When the mean temperature T1p of default each point on 1 one sections of petticoat pipes of central cooler is greater than the default average of exceptional value T1max(first), and in one section of corresponding smoke discharging pipe 4, flue-gas temperature is greater than T1max ' (higher limits of one section of corresponding smoke discharging pipe 4 flue-gas temperature), after operating mode continues for some time, automatically open into cold-air flap 10.
Or, when the mean temperature T2p of default each point on two sections of petticoat pipes of central cooler is greater than the default average of exceptional value T2max(second), and in two sections of corresponding smoke discharging pipes 4, flue-gas temperature is greater than T2max ' (higher limit of flue-gas temperature in two sections of corresponding smoke discharging pipes 4), after operating mode continues for some time, automatically open into cold-air flap 10.
Preferably, in embodiment 3, in the time that mineral aggregate cooling effect is poor, open and directly carry out cooling into cold-air flap to mineral aggregate, because now central cooler Mineral Material temperature is higher, the temperature of the flue gas of its discharge is higher equally, if directly enter smoke discharging pipe 4, likely can scorch the tube wall of smoke discharging pipe, so, on the basis of embodiment 3, further can be at one section of access first row air door 11 of central cooler, and at two sections of access second row air doors 12 of central cooler, directly the flue gas of one section and two sections generation is discharged.
Preferably, shown in figure 1, on the basis of above-mentioned each embodiment, dust arrester 13 can also be installed in the smoke discharging pipe of cooling system 4, such as adopting gravitational dust collecting device, to remove in time the flue dust of accumulation, avoid flue dust blocking pipe to affect the hot gas cycle of system and the efficiency of heat exchange.
Shown in figure 3, for adopting under the temperature measuring equipment set-up mode shown in cooling system provided by the invention and Fig. 2, carry out mineral aggregate when cooling DCS obtain temperature curve.
Accordingly, the present invention also provides a kind of sintering circular-cooler cooling control method, shown in figure 4, comprises the steps:
S1: distributed monitoring control system 2 gathers the mineral aggregate temperature of described preset by temperature measuring equipment 5 corresponding to the upper preset of 1 one sections of central coolers and two sections, and, the temperature of flue gas in the smoke discharging pipe 4 of one section, two sections connection;
S2: distributed monitoring control system 2 is according to the temperature value of the premises gathering, determines and need to regulate shutter 6 which section is corresponding and the adjustment parameter size of shutter 6;
S3: send and carry the control instruction of adjusting parameter size to shutter to be regulated 6, regulate the aperture of shutter.
Preferably, described temperature measuring equipment 5 is occasionally thermal resistance of thermoelectricity; Wherein, DCS is illustrating in can reference example 1 to the control of drum air-cooler 4, repeats no more here.
At sintering mineral aggregate in process of production, the situation that also has local mineral aggregate excess Temperature occurs, if amount of cooling water not or do not detect and may produce the accident that burns out downstream belt conveyor by this part mineral aggregate.Although, can find in time the position at high-temperature area place by DCS, but central cooler is generally larger, and the length of each section also has 4-5 rice at least, if high-temperature area is less, directly adopt the aperture of the shutter 6 that strengthens high-temperature area place section correspondence will inevitably waste the more energy.Therefore,, on the basis of above-mentioned steps, described method can also comprise following preferred steps:
In the time occurring that mineral aggregate temperature corresponding to arbitrary preset exceedes the predetermined threshold value of this point in 1 one sections of central coolers and two sections of default each points, shutter 9 corresponding to point that distributed monitoring control system 2 exceedes described predetermined threshold value to mineral aggregate temperature sends the control instruction of carrying adjustment parameter size.
In the time there is the situation of localized hyperthermia, adopt circulating fan to lower the temperature, shown in figure 1, circulating fan 8 multiple (in Fig. 1 taking 2 as example with 1 one sections, two sections bottoms of central cooler respectively, concrete number can be according to practical application setting) air inlet pipeline connects, and on each air inlet pipeline, shutter 9 is installed, for high-temperature area, can, targetedly to mineral aggregate cooling processing, adopt the nearest shutter 9 in this region of adjustable range to carry out the cooling of high-temperature area mineral aggregate.
In sintering production process,, even do not grill thoroughly after burning point too leans on if occurred, and on central cooler, there is second-time burning, and producing larger heat energy also cannot be cooling rapidly, and DCS system detects by temperature measuring equipment, find that one section of temperature is very high, and two sections of temperature are also higher, to such an extent as to adjust the aperture of shutter 6 of drum air-cooler 4, and after the aperture of shutter 9 corresponding to circulating fan, after, mineral aggregate cooling effect is still poor, and now, described method can also comprise following preferred steps:
Distributed monitoring control system 2 gathers the rotating speed of circulating fan 8;
When described rotating speed exceedes preset rotation speed, and the mean value of 1 one sections of upper default each point temperature of central cooler exceedes the first default average, the mean value of two sections of upper default each point temperature exceedes the second default average, when in the smoke discharging pipe 4 of one section and two sections connection, the temperature of flue gas all exceedes corresponding preset upper limit value, distributed monitoring control system 2 sends OPEN to entering cold-air flap 10.
This step illustrate the detailed description in can frame of reference embodiment 3, repeat no more here.
Each embodiment in this description all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually referring to, what each embodiment stressed is and the difference of other embodiment.Especially, for embodiment of the method, describe fairly simplely, relevant part is referring to the part explanation of system embodiment.The above is only the specific embodiment of the present invention, for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, and these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a sintering circular-cooler cooling procedure monitoring system, is characterized in that, described system comprises: sintering circular-cooler (1), distributed monitoring control system (2), drum air-cooler (3), smoke discharging pipe (4) and temperature measuring equipment (5);
Wherein, described sintering circular-cooler (1) is divided into multistage, the bottom of each section connects a bulging air-cooler (3) by shutter (6), on the sealing petticoat pipe of each section of sintering circular-cooler (1), be provided with temperature measuring equipment (5), for measuring in real time the mineral aggregate temperature in the different sections of central cooler; One section with above two sections, be connected respectively a smoke discharging pipe (4);
Being also respectively arranged with temperature measuring equipment (5) with on one section of sintering circular-cooler (1) and two sections of smoke discharging pipes that are connected (4), for measuring in real time the flue-gas temperature of smoke discharging pipe (4);
Described distributed monitoring control system (2) is connected with each temperature measuring equipment (5) and each shutter (6) respectively.
2. system according to claim 1, is characterized in that, described system also comprises: waste-heat recovery device (7), circulating fan (8);
Described waste-heat recovery device (7) one end is connected with smoke discharging pipe (4), to the processing of lowering the temperature of the flue gas of one section and two sections discharge, exports circulating fan (8) to;
Described circulating fan (8) is connected with multiple air inlet pipelines of (1) one section of sintering circular-cooler, two sections of bottoms respectively, shutter (9) is installed on each air inlet pipeline, wherein, the shutter (9) on described circulating fan (8) and air inlet pipeline is also connected with distributed monitoring control system (2) respectively.
3. system according to claim 2, is characterized in that, described system also comprises:
Be arranged on and enter cold-air flap (10) between waste-heat recovery device (7) and circulating fan (8), this enters cold-air flap (10) and is also connected with distributed monitoring control system (2).
4. system according to claim 3, is characterized in that, described system also comprises: the first row air door (11) being connected with one section of sintering circular-cooler, and the second row air door (12) being connected with two sections of sintering circular-coolers;
Wherein, first row air door (11) is also connected with distributed monitoring control system (2) respectively with second row air door (12).
5. according to the system described in claim 1-4 any one, it is characterized in that, on described smoke discharging pipe (4), be also provided with dust arrester (13).
6. according to the system described in claim 1-4 any one, it is characterized in that, described temperature measuring equipment (5) is occasionally thermal resistance of thermoelectricity.
7. a sintering circular-cooler cooling control method, is characterized in that, described method comprises:
Distributed monitoring control system (2) gathers the mineral aggregate temperature of described preset by temperature measuring equipment (5) corresponding to the upper preset of (1) one section of sintering circular-cooler and two sections, and, the temperature of flue gas in the smoke discharging pipe (4) of one section, two sections connection;
Distributed monitoring control system (2), according to the temperature value of the premises gathering, is determined the adjustment parameter size that need to regulate the shutter which section is corresponding (6) and shutter (6);
Send and carry the control instruction of adjusting parameter size to shutter to be regulated (6), regulate the aperture of shutter (6).
8. method according to claim 7, is characterized in that, described method also comprises:
In the time occurring that mineral aggregate temperature corresponding to arbitrary preset exceedes the predetermined threshold value of this point in (1) one section of sintering circular-cooler and two sections of default each points, shutter (9) corresponding to point that distributed monitoring control system (2) exceedes described predetermined threshold value to mineral aggregate temperature sends the control instruction of carrying adjustment parameter size.
9. method according to claim 7, is characterized in that, described method also comprises:
Distributed monitoring control system (2) gathers the rotating speed of circulating fan (8);
When described rotating speed exceedes preset rotation speed, and the mean value of (1) one section of upper default each point temperature of sintering circular-cooler exceedes the first default average, the mean value of two sections of upper default each point temperature exceedes the second default average, when in the smoke discharging pipe (4) of one section and two sections connection, the temperature of flue gas all exceedes corresponding higher limit, distributed monitoring control system (2) sends OPEN to entering cold-air flap (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410155115.8A CN103954144B (en) | 2014-04-17 | 2014-04-17 | A kind of sintering circular-cooler cooling procedure monitoring system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410155115.8A CN103954144B (en) | 2014-04-17 | 2014-04-17 | A kind of sintering circular-cooler cooling procedure monitoring system and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103954144A true CN103954144A (en) | 2014-07-30 |
| CN103954144B CN103954144B (en) | 2016-03-09 |
Family
ID=51331454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410155115.8A Expired - Fee Related CN103954144B (en) | 2014-04-17 | 2014-04-17 | A kind of sintering circular-cooler cooling procedure monitoring system and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103954144B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501605A (en) * | 2015-01-09 | 2015-04-08 | 攀钢集团攀枝花钢铁研究院有限公司 | Cooling temperature conditioning method of rutile titanium dioxide and automatic control method thereof |
| CN105087908A (en) * | 2015-08-12 | 2015-11-25 | 中冶长天国际工程有限责任公司 | Temperature control method and device for chain grate-rotary kiln |
| CN105135900A (en) * | 2015-08-12 | 2015-12-09 | 中冶长天国际工程有限责任公司 | Method and device for controlling temperature of outlet of circular cooler |
| CN105910444A (en) * | 2016-04-21 | 2016-08-31 | 中冶北方（大连）工程技术有限公司 | Material temperature control method of sinter-circle-cooling machine |
| CN106288824A (en) * | 2015-05-13 | 2017-01-04 | 宝山钢铁股份有限公司 | Sintering circular-cooler temperature of charge measuring method and device |
| CN106288825A (en) * | 2015-05-13 | 2017-01-04 | 宝山钢铁股份有限公司 | Sintering circular-cooler temperature of charge measurement apparatus |
| CN106403604A (en) * | 2016-08-31 | 2017-02-15 | 大连华冶联自动化有限公司 | Sintering main drawing fan control method |
| CN107238296A (en) * | 2016-03-29 | 2017-10-10 | 宝山钢铁股份有限公司 | A kind of sintering circular-cooler high temperature sintering ore deposit spray equipment and control method |
| CN108800967A (en) * | 2017-04-26 | 2018-11-13 | 中冶长天国际工程有限责任公司 | Ring cold machine temprature control method based on neural network and system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100638449B1 (en) * | 2005-07-22 | 2006-10-24 | 주식회사 포스코 | Steam producing method and device of a sintering waste heat recovery facilities |
| CN101290253A (en) * | 2007-04-17 | 2008-10-22 | 宝山钢铁股份有限公司 | Sintered ring cold machine air leakage rate on-line diagnostic method |
| WO2008134739A1 (en) * | 2007-04-30 | 2008-11-06 | Spraying Systems Co. | Sinter processing system |
| CN101424484A (en) * | 2008-11-12 | 2009-05-06 | 昆明阳光基业股份有限公司 | Control method for stabilizing and enhancing sintered ring cooling wind temperature while smelting steel |
| CN101592441A (en) * | 2009-04-24 | 2009-12-02 | 江苏大学 | Grate bed tempertaure field and field of pressure integrated control method and control system thereof |
| CN201397054Y (en) * | 2009-04-13 | 2010-02-03 | 浙江西子联合工程有限公司 | Sintering circular cooler waste heat generation circulation smoke optimizing and adjusting system |
| CN102011743A (en) * | 2009-09-08 | 2011-04-13 | 中冶长天国际工程有限责任公司 | Blast blower control system for circular cooler |
| CN103398584A (en) * | 2013-08-22 | 2013-11-20 | 中冶北方（大连）工程技术有限公司 | Material temperature detection and control device for sintering pellet annular cooler |
-
2014
- 2014-04-17 CN CN201410155115.8A patent/CN103954144B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100638449B1 (en) * | 2005-07-22 | 2006-10-24 | 주식회사 포스코 | Steam producing method and device of a sintering waste heat recovery facilities |
| CN101290253A (en) * | 2007-04-17 | 2008-10-22 | 宝山钢铁股份有限公司 | Sintered ring cold machine air leakage rate on-line diagnostic method |
| WO2008134739A1 (en) * | 2007-04-30 | 2008-11-06 | Spraying Systems Co. | Sinter processing system |
| CN101424484A (en) * | 2008-11-12 | 2009-05-06 | 昆明阳光基业股份有限公司 | Control method for stabilizing and enhancing sintered ring cooling wind temperature while smelting steel |
| CN201397054Y (en) * | 2009-04-13 | 2010-02-03 | 浙江西子联合工程有限公司 | Sintering circular cooler waste heat generation circulation smoke optimizing and adjusting system |
| CN101592441A (en) * | 2009-04-24 | 2009-12-02 | 江苏大学 | Grate bed tempertaure field and field of pressure integrated control method and control system thereof |
| CN102011743A (en) * | 2009-09-08 | 2011-04-13 | 中冶长天国际工程有限责任公司 | Blast blower control system for circular cooler |
| CN103398584A (en) * | 2013-08-22 | 2013-11-20 | 中冶北方（大连）工程技术有限公司 | Material temperature detection and control device for sintering pellet annular cooler |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501605B (en) * | 2015-01-09 | 2016-05-04 | 攀钢集团攀枝花钢铁研究院有限公司 | Rutile type titanium white chilling temperature control method and autocontrol method thereof |
| CN104501605A (en) * | 2015-01-09 | 2015-04-08 | 攀钢集团攀枝花钢铁研究院有限公司 | Cooling temperature conditioning method of rutile titanium dioxide and automatic control method thereof |
| CN106288824B (en) * | 2015-05-13 | 2018-06-26 | 宝山钢铁股份有限公司 | Sintering circular-cooler temperature of charge measuring method and device |
| CN106288824A (en) * | 2015-05-13 | 2017-01-04 | 宝山钢铁股份有限公司 | Sintering circular-cooler temperature of charge measuring method and device |
| CN106288825A (en) * | 2015-05-13 | 2017-01-04 | 宝山钢铁股份有限公司 | Sintering circular-cooler temperature of charge measurement apparatus |
| CN106288825B (en) * | 2015-05-13 | 2018-04-27 | 宝山钢铁股份有限公司 | Sintering circular-cooler temperature of charge measuring device |
| CN105087908A (en) * | 2015-08-12 | 2015-11-25 | 中冶长天国际工程有限责任公司 | Temperature control method and device for chain grate-rotary kiln |
| CN105135900A (en) * | 2015-08-12 | 2015-12-09 | 中冶长天国际工程有限责任公司 | Method and device for controlling temperature of outlet of circular cooler |
| CN107238296B (en) * | 2016-03-29 | 2019-04-23 | 宝山钢铁股份有限公司 | A kind of sintering circular-cooler high temperature sinter spray equipment and control method |
| CN107238296A (en) * | 2016-03-29 | 2017-10-10 | 宝山钢铁股份有限公司 | A kind of sintering circular-cooler high temperature sintering ore deposit spray equipment and control method |
| CN105910444A (en) * | 2016-04-21 | 2016-08-31 | 中冶北方（大连）工程技术有限公司 | Material temperature control method of sinter-circle-cooling machine |
| CN105910444B (en) * | 2016-04-21 | 2018-06-15 | 中冶北方（大连）工程技术有限公司 | A kind of sintering circular-cooler temperature of charge control method |
| CN106403604B (en) * | 2016-08-31 | 2018-06-26 | 大连华冶联自动化有限公司 | A kind of main exhauster of sintering control method |
| CN106403604A (en) * | 2016-08-31 | 2017-02-15 | 大连华冶联自动化有限公司 | Sintering main drawing fan control method |
| CN108800967A (en) * | 2017-04-26 | 2018-11-13 | 中冶长天国际工程有限责任公司 | Ring cold machine temprature control method based on neural network and system |
| CN108800967B (en) * | 2017-04-26 | 2019-11-29 | 中冶长天国际工程有限责任公司 | Ring cold machine temprature control method neural network based and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103954144B (en) | 2016-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103954144B (en) | A kind of sintering circular-cooler cooling procedure monitoring system and control method | |
| CN206310919U (en) | A kind of ceramic metallization atmosphere sintering furnace | |
| CN104722286B (en) | The continuous activating and regenerating system of activated coke/charcoal | |
| CN107236841A (en) | The heater and heating means of a kind of use converter gas waste-heat steel scrap | |
| CN104457189A (en) | Heat source built-in type both-side heat exchanging tunnel type drying room | |
| CN203462084U (en) | Waste-heat utilization system of heat treatment production line | |
| CN103540732A (en) | Device and method for recycling flue gas waste heat of radiant tube roller-hearth heat treatment furnace | |
| CN109813094A (en) | A kind of alloy material multiple-effect quick baking preheating device and its application method | |
| CN102021299B (en) | Device for utilizing residual heat of gas flue in hood-type annealing furnace | |
| CN102410744B (en) | Waste heat comprehensive utilization system in aluminum profile production line | |
| CN105858649B (en) | Graphite high temperature puffing stove | |
| CN207175996U (en) | A kind of heater using converter gas waste-heat steel scrap | |
| CN204359082U (en) | Thermal source built-in double-side heat exchange tunnel type drying room | |
| CN203360522U (en) | Flue gas waste heat recovery device of bell type annealing furnace | |
| CN202648451U (en) | Outlet smoke temperature regulating system of kiln head waste heat boiler | |
| CN205640887U (en) | Sediment waste heat utilization's air -cooled system at bottom of improvement circulating fluidized bed boiler | |
| CN105767061B (en) | Multistage tunnel type food processing roasting plant and method | |
| CN108149001A (en) | A kind of jet heating system and its control method | |
| CN208075596U (en) | A kind of cooler for mineral hot furnace flue gas cleaning system | |
| CN104342547A (en) | Grading type hot blowing method of continuous annealing furnace | |
| CN108072274A (en) | A kind of high-efficiency heat-accumulating tubular heater system | |
| CN103712439B (en) | Rotary kiln outer drum waste heat collecting system and collecting method thereof | |
| CN206298625U (en) | A kind of forced heat radiation energy saver in the production for titanium sponge reduction | |
| CN203513745U (en) | Flue gas waste heat recycling device of radiant tube roller-hearth heat treatment furnace | |
| CN206113756U (en) | Water circle device of steerable temperature |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171030 Address after: 100096, 18, 5, 518, East Building Road, Xisanqi, Beijing, Haidian District Patentee after: BEIJING BESTPOWER INTELCONTROL TECHNOLOGY Co.,Ltd. Address before: 100096 Beijing Xisanqi building materials City, East Road, No. 18, No. Patentee before: BEIJING BESTPOWER ELECTRICAL TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100096 Beijing Haidian District Xisanqi building materials East Road 18, 5, 518 room. Patentee after: BEIJING BESTPOWER INTELCONTROL CO.,LTD. Address before: 100096 Beijing Haidian District Xisanqi building materials East Road 18, 5, 518 room. Patentee before: BEIJING BESTPOWER INTELCONTROL TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 |