CN202054898U - Coating furnace adopting high-power open flame combustion nozzle system - Google Patents
Coating furnace adopting high-power open flame combustion nozzle system Download PDFInfo
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- CN202054898U CN202054898U CN2011201257908U CN201120125790U CN202054898U CN 202054898 U CN202054898 U CN 202054898U CN 2011201257908 U CN2011201257908 U CN 2011201257908U CN 201120125790 U CN201120125790 U CN 201120125790U CN 202054898 U CN202054898 U CN 202054898U
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Abstract
The utility model relates to a coating furnace adopting a high-power open flame combustion nozzle system, which is characterized by mainly comprising a furnace body, a circulation spray box, a high-power open flame combustion nozzle heat supply system. The furnace body is mainly formed by a structural casing body and lining fire-proof and thermal-insulating materials, the circulation spray box is sleeved in the furnace body, the circulation spray box is provided with spraying holes, and the high-power open flame combustion nozzle heat supply system is arranged on the furnace body. A drying section and a sintering furnace section of the furnace body adopt the spraying of the circulation spray box to dry and sinter strip steel, and control of furnace temperature is even. Combustion capability of the combustion nozzle is 8-10 times of that of an existing low-power combustion nozzle, accordingly arrangement quantity of the combustion nozzle is nearly 90% less than that of the low-power combustion nozzle, empty gas pipelines in front of the furnace are simple, operation quantity of valves in front of the combustion nozzle is obviously reduced, and workload of follow-up maintenance is lowered.
Description
Technical field
The utility model relates to the technical field of belt steel surface being carried out coating, is specifically related to a kind of coating to the band steel and carries out drying, sintering and refrigerative coating stove.
Background technology
Existing coating stove is for guaranteeing coating liquid drying and sintering effect, furnace temperature precision control to the coating stove is had relatively high expectations, in order to make burner hearth reach desired target temperature and to satisfy the requirement of temperature uniformity, coating stove dryer section adopts a plurality of small power U type radiation pipe burner tips, and adopts small power naked light burner pulse-combustion control at sintering stage simultaneously.Adopt said system to make the piping arrangement complexity of stokehold, the Operation and Maintenance workload is big.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of coating stove that can effectively change the drying that improves band steel coating liquid and curing degree, the simple in structure and high-power naked light burner of employing easy handling and maintenance at the problems referred to above.
Technical solution adopted in the utility model is:
A kind of coating stove that adopts high-power naked light burner system is characterized in that mainly comprising body of heater, circulation spray box, high-power naked light burner heating system; Wherein, body of heater mainly by structure housing, liner is fire-resistant and lagging material is formed; High-power naked light burner heating system is arranged on the body of heater, and described high-power naked light burner heating system comprises a plurality of high-power naked light burners.
Press such scheme, be divided into dryer section body of heater, sintering stage body of heater, cooling section body of heater successively along band steel delivery direction body of heater, the circulation spray box is divided into dryer section circulation spray box, sintering stage circulation spray box, cooling section circulation spray box successively, each section circulation spray box is all served as reasons and is gone up the separate type spray box of spray box and following spray box composition, and the band steel is from passing through between the spray box up and down; Corresponding with above-mentioned segmentation, be disposed with dryer section circulation spray box dehumidification system, sintering stage circulation spray box sintering system, cooling section spray box cooling system on the circulation spray box; Corresponding with the dehumidification system of each section, the dryer section body of heater is provided with that dryer section fume exhaust system, sintering stage body of heater are provided with the sintering stage fume exhaust system, the cooling section body of heater is provided with the cooling section fume exhaust system.
Press such scheme, dryer section circulation spray box dehumidification system mainly is made of dehumidification system first and second recirculation blowers, first connecting tube and dryer section circulation spray box, dehumidification system first recirculation blower is connected with following spray box by one first connecting tube, and dehumidification system second recirculation blower is connected with last spray box by another first connecting tube; Wherein, the dehumidification system first and second recirculation blower blast inlets are set directly in the dryer section body of heater, the first and second recirculation blower air outlets are connected with first connecting tube that is connected separately respectively, and each first connecting tube is connected with the blast inlet of following spray box and last spray box respectively; The band steel along default dry section strip steel by line from passing through between the spray box up and down; The dryer section fume exhaust system comprises first Steel Stack, first smoke exhaust fan, the first main smoke discharging pipe, the first smoke evacuation arm, wherein, the inlet of first smoke exhaust fan is connected with main smoke discharging pipe, the first smoke evacuation arm is connected with the first main smoke discharging pipe, and the first smoke evacuation arm is connected with the smoke evacuation delivery port of dryer section body of heater.
Press such scheme, sintering stage circulation spray box sintering system mainly is made of sintering stage circulation spray box systemic circulation blower fan, second connecting tube and sintering stage circulation spray box, sintering stage circulation spray box systemic circulation air inlet is set directly in the sintering stage body of heater, and upper and lower spray box blast inlet is connected with described sintering stage circulation spray box systemic circulation blower fan by second connecting tube; The band steel passes through between upper and lower spray box by line along default sintering section strip steel; The sintering stage fume exhaust system comprises second Steel Stack, second smoke exhaust fan, the second main smoke discharging pipe, the second smoke evacuation arm, the inlet of second smoke exhaust fan is connected with the second main smoke discharging pipe, the second smoke evacuation arm is connected with the second main smoke discharging pipe, and the second smoke evacuation arm is connected with the smoke evacuation delivery port of sintering stage body of heater.
Press such scheme, cooling section spray box cooling system mainly is made up of cooling section spray box cooling system cooling blower, the 3rd connecting tube and cooling section circulation spray box, the cooling blower air suction inlet is directly in ambient atmosphere, the cooling blower air outlet is connected with the 3rd connecting tube, and the 3rd connecting tube directly is connected with cooling section circulation spray box blast inlet; The band steel passes through between upper and lower spray box by line along default cooling section strip steel; Cooling section waste discharge system comprises the 3rd Steel Stack, the 3rd smoke exhaust fan, the 3rd main smoke discharging pipe, the 3rd smoke evacuation arm, the inlet of the 3rd smoke exhaust fan is connected with the 3rd main smoke discharging pipe, the 3rd smoke evacuation arm is connected with the 3rd main smoke discharging pipe, and the 3rd smoke evacuation arm is connected with the smoke evacuation delivery port of cooling section body of heater.
Press such scheme, the air floating band steel transfer system is arranged between the outlet of the outlet of dryer section body of heater and cooling section body of heater, mainly by the embedded recirculation blower of air floating band steel transmission system, air floating band steel transmission mechanism and the 4th connecting tube are formed, embedded recirculation blower is installed on the body of heater, the air suction inlet of embedded recirculation blower is arranged in the coating stove, the air outlet of embedded recirculation blower is connected with the 4th connecting tube, the 4th connecting tube is connected with the blast inlet of air floating band steel transmission mechanism, the air outlet of air floating band steel transmission mechanism is a nozzle, and nozzle upwards passes through line towards default coating furnace zone steel.
Press such scheme, the air floating band steel transmission mechanism of air floating band steel transfer system and sintering stage and cooling section circulation spray box are provided with at interval, and the gas of the nozzle ejection of air floating band steel transmission mechanism makes the band steel be suspended in up and down between the spray box of each section circulation spray box.
Press such scheme, high-power naked light burner heating system is separately positioned on dryer section body of heater and the sintering stage body of heater; High-power naked light burner heating system by gas line, air line, combustion barrel, overlap more high-power naked light burner and multiple manually and automatic valve form; The burning capacity of high-power naked light burner is 8～10 times of small power burner ability in the past; High-power naked light burner is installed on the body of heater of coating stove and with the combustion barrel of furnace body inside and is connected, and the flame end of burner is positioned at combustion barrel; Gas line is connected with the coal gas interface of high-power naked light burner, and air line is connected with the air interface of high-power naked light burner.
Press such scheme, the band steel is worn the band system and is distributed between import of dryer section body of heater and the outlet of cooling section body of heater along body of heater, mainly by the import elevator, wear belt track, wear band dolly, threading steel rope and the outlet elevator is formed, the import elevator is installed in the inlet of dryer section body of heater, the outlet elevator is installed in the outlet of cooling section body of heater, importing and exporting elevator is connected with an end of a threading steel rope respectively, wearing belt track is installed on the interior bracing frame of coating stove, wear the band dolly and move freely along wearing belt track, the other end of import and export threading steel rope respectively with wear the band dolly and be connected.
Utilize above-mentioned coating stove to be to being with steel to carry out drying, sintering and refrigerative method:
(1) after the band steel process coating roller coating, at first wearing band work makes it enter the dryer section body of heater of coating stove: the band steel is with dolly to be connected with wearing, wearing the band dolly is wearing on the belt track and can be free to slide, threading steel rope one end of exit end with wear the band dolly be connected, the other end is connected with the outlet elevator, by outlet elevator scrolling threading steel rope, the moving band dolly of wearing of threading steel strap will be with steel to pass the coating stove.
(2) wear after band work finishes, the dryer section body of heater that the band steel enters the coating stove carries out drying to the coating liquid on surface, enters the sintering stage body of heater then, and top coat liquid is carried out sintering, make coating liquid securely sintering enter the cooling section body of heater again and will be with steel to be cooled to normal temperature at belt steel surface.
It is characterized in that in the step (2):
In the dryer section body of heater, the band steel moves according to the track of predefined band steel catenary, and integral body is overhang in the dryer section body of heater, is held up by the air floating band steel transmission system until the exit at the dryer section body of heater; The band steel does not contact with any equipment of coating stove in the whole coating stove;
When the exit of dryer section body of heater band steel is held up by the air floating band steel transmission system, by the space gas pipeline of high-power naked light burner heating system to high-power naked light burner air supply and coal gas, by the burning of high-power naked light burner tissue, the ratio combustion control technology of segmentation control make high-power naked light burner by combustion barrel to the even heat supplied of burner hearth; The high-temperature flue gas that burning produces is sucked by dehumidification system first and second recirculation blowers of dryer section circulation spray box dehumidification system, enter dryer section circulation spray box through first connecting tube, the band steel that is circulated up and down between the spray box by the jet hole on the dryer section circulation spray box sprays, coating liquid to belt steel surface carries out drying, and makes burner hearth reach desired target temperature and satisfy the requirement of temperature uniformity by the high-temperature flue gas that dryer section circulation spray box sprays; The flue gas that the high-power naked light burner combustion of high-power naked light burner heating system produces is pooled to the first main smoke discharging pipe by the dryer section fume exhaust system by the first smoke evacuation arm, under the effect of first smoke exhaust fan, is discharged into outside the factory building by first Steel Stack;
The band steel carries out transmission at the sintering stage body of heater by the air floating band steel transfer system, this moment by the space gas pipeline of high-power naked light burner heating system to high-power naked light burner air supply and coal gas, by high-power naked light burner tissue burning, the ratio combustion control technology of controlling by segmentation makes high-power naked light burner to the even heat supplied of burner hearth; The high-temperature flue gas that burning produces is sucked by the sintering stage circulation spray box systemic circulation blower fan of sintering stage circulation spray box sintering system, enter sintering stage circulation spray box through second connecting tube, spray to the band steel by the jet hole on the sintering stage circulation spray box, coating liquid to belt steel surface carries out sintering, and makes burner hearth reach desired target temperature and satisfy the requirement of temperature uniformity by the high-temperature flue gas that sintering stage circulation spray box sprays; The flue gas that the high-power naked light burner combustion of high-power naked light burner heating system produces is pooled to the second main smoke discharging pipe by the sintering stage fume exhaust system by the second smoke evacuation arm, under the effect of second smoke exhaust fan, is discharged into outside the factory building by second Steel Stack;
The band steel carries out transmission at the cooling section body of heater by the air floating band steel transfer system, suck cold wind by cooling section spray box cooling system cooling blower and enter cooling section circulation spray box through the 3rd connecting tube this moment from atmosphere, spray to the band steel by the jet hole on the cooling section circulation spray box, coating liquid to belt steel surface cools off, and the cooling air by cyclic spray makes burner hearth reach desired target temperature and satisfies the requirement of temperature uniformity; The cooling air that is sprayed in the stove by cooling section circulation spray box is pooled to the 3rd main smoke discharging pipe by the cooling section fume exhaust system by the 3rd smoke evacuation arm, under the effect of the 3rd smoke exhaust fan, is discharged into outside the factory building by the 3rd Steel Stack.
The utility model is applicable to cold rolling mill silicon steel continuous annealing furnace coating unit, unit such as zinc-plated, and the band steel is after through coating roller, zinc pot, and coating adopted present technique can improve drying and the curing degree and the strip surface quality of band steel coating liquid before drying.
The beneficial effects of the utility model are:
(1) adopting the ability of high-power naked light burner is 8～10 times of ability of small power burner in the past, high-power naked light burner layout amount is arranged than the small power burner and has nearly been lacked 90%, stokehold space gas pipeline is simple, and burner early gate operational ton obviously reduces, and the workload of follow-up maintenance reduces;
(2) for cooperating high-power naked light burner heating system that coating is carried out heat supply, dryer section and sintering oven section adopt the circulation spray box to spray being with steel to carry out drying and sintering, and Control for Kiln Temperature is even, the coating insulation reliable in quality;
(3) simple in structure, reliable, be easy to realize.
Description of drawings
Fig. 1 is dryer section furnace binding figure of the present utility model;
Fig. 2 is a dryer section body of heater of the present utility model ingress structure iron;
Fig. 3 is a sintering stage structure iron of the present utility model;
Fig. 4 is a cooling section structure iron of the present utility model;
Fig. 5 is a dryer section oven body part structure sectional view of the present utility model;
Fig. 6 is a sintering stage oven body part structure sectional view of the present utility model;
Fig. 7 is a cooling section oven body part structure sectional view of the present utility model;
Fig. 8 is an air floating band steel transmission system sectional view of the present utility model;
Fig. 9 is a high-power naked light burner heating system sectional view of the present utility model;
Figure 10 wears the band system construction drawing for band steel of the present utility model;
In the accompanying drawing, each Reference numeral correspondence is as follows:
1-dryer section body of heater, 2-dryer section circulation spray box dehumidification system, 3-dryer section fume exhaust system, 4-sintering stage body of heater, 5-sintering stage circulation spray box sintering system, 6-sintering stage fume exhaust system, 7-cooling section body of heater, 8-cooling section spray box cooling system, 9-cooling section waste discharge system, 10-air floating band steel transmission system, the high-power naked light burner of 11-heating system, 12-band steel is worn the band system, 13-band steel catenary, 14-coating stove medullary ray, the 15-coating roller, 16-dryer section circulation spray box dehumidification system first recirculation blower, 17-dryer section circulation spray box, 18-dryer section circulation spray box dehumidification system second recirculation blower, 19-first connecting tube, 20-is dry, and section strip steel passes through line, spray box under the 21-, the last spray box of 22-, the 23-structure housing, fire-resistant and the lagging material of 24-liner, 25-sintering stage circulation spray box systemic circulation blower fan, 26-second connecting tube, 27-sintering stage circulation spray box, 28-sintering section strip steel passes through line, 29-cooling section spray box cooling system cooling blower, 30-the 3rd connecting tube, 31-cooling section circulation spray box, 32-cooling section strip steel passes through line, the embedded recirculation blower of 33-air floating band steel transmission system, 34-the 4th connecting tube, 35-air floating band steel transmission mechanism, 36-coating furnace zone steel passes through line, 37-coating furnace body, the high-power naked light burner of 38-, the 39-branch gas tube, 40-coal gas is responsible for, 41-air arm, the 42-air is responsible for, the 43-combustion barrel, 44-exports elevator, 45-threading steel rope, 46-wears belt track, 47-wears the band dolly, 48-import elevator, 49-is with steel
Embodiment
Further specify coating stove of the present utility model below in conjunction with accompanying drawing 1-4.
Accompanying drawing 1-4 is a coating stove of the present utility model, mainly comprise coating furnace body 37, circulation spray box, air floating band steel transfer system 10, high-power naked light burner heating system 11 and be with steel to wear band system 12, wherein, body of heater 37 mainly by structure housing 23, liner is fire-resistant and lagging material 24 is formed; Sheathed circulation spray box in the body of heater 37 keeps at a certain distance away between circulation spray box and the body of heater 37, and the circulation spray box is provided with a plurality of jet holes; Air floating band steel transfer system 10 and band steel are worn in band system 12 each comfortable body of heater 37 and are distributed along body of heater; High-power naked light burner heating system 11 is arranged on the body of heater 37, comprises the high-power naked light burner 38 of a plurality of proportion of utilization combustion method segmentation controls.
Be divided into dryer section body of heater 1, sintering stage body of heater 4, cooling section body of heater 7 along the steel band delivery direction successively through coating roller rear furnace body 37, the circulation spray box is divided into dryer section circulation spray box 17, sintering stage circulation spray box 27, cooling section circulation spray box 31 successively, each section circulation spray box is all served as reasons and is gone up the separate type spray box that spray box 22 and play spray box 21 are formed, and the band steel is from passing through (referring to Fig. 5-7) up and down between the spray box; Wherein visible dryer section circulation spray box is made up of following spray box 21 and last spray box 22 among Fig. 5; Corresponding with above-mentioned segmentation, be disposed with dryer section circulation spray box dehumidification system 2, sintering stage circulation spray box sintering system 5, cooling section spray box cooling system 8 on the corresponding position of circulation spray box; Corresponding with the dehumidification system of each section, dryer section body of heater 1 is provided with that dryer section fume exhaust system 3, sintering stage body of heater 4 are provided with sintering stage fume exhaust system 6, cooling section body of heater 7 is provided with cooling section fume exhaust system 9.
Dryer section body of heater 1 shown in accompanying drawing 1 and 5.Dryer section circulation spray box dehumidification system 2 mainly is made of dryer section circulation spray box dehumidification system first and second recirculation blowers 16,18, first connecting tube 19 and dryer section circulation spray box 17, dryer section circulation spray box dehumidification system first recirculation blower 16 is connected with following spray box 21 by one first connecting tube 19, and dryer section circulation spray box dehumidification system second recirculation blower 18 is connected with last spray box 22 by another first connecting tube 19; Wherein, first and second recirculation blowers, 16,18 blast inlets are set directly in the dryer section body of heater 1, first and second recirculation blowers, 16,18 air outlets are connected with first connecting tube 19 that is connected separately respectively, and each first connecting tube 19 is connected with the blast inlet of following spray box 21 and last spray box 22 respectively; The band steel passes through between following spray box 21 and last spray box 22 by line 20 along default dry section strip steel; Dryer section fume exhaust system 3 comprises first Steel Stack, first smoke exhaust fan, the first main smoke discharging pipe, the first smoke evacuation arm, wherein, the inlet of first smoke exhaust fan is connected with main smoke discharging pipe, the first smoke evacuation arm is connected with the first main smoke discharging pipe, and the first smoke evacuation arm is connected with the smoke evacuation delivery port of dryer section body of heater 1.
Be depicted as sintering stage body of heater 4 as accompanying drawing 3 and 6.Sintering stage circulation spray box sintering system 5 mainly is made of sintering stage circulation spray box systemic circulation blower fan 25, second connecting tube 26 and sintering stage circulation spray box 27, sintering stage circulation spray box systemic circulation blower fan 25 blast inlets are set directly in the sintering stage body of heater 4, sintering stage circulation spray box systemic circulation blower fan 25 air outlets are connected with second connecting tube 26, and second connecting tube 26 directly is connected with the blast inlet of sintering stage circulation spray box 27; Be specially, following spray box 21 is connected with described sintering stage circulation spray box systemic circulation blower fan 25 by second connecting tube 26 with last spray box 22; The band steel passes through between following spray box 21 and last spray box 22 by line 28 along default sintering section strip steel; Sintering stage fume exhaust system 6 comprises second Steel Stack, second smoke exhaust fan, the second main smoke discharging pipe, the second smoke evacuation arm, the inlet of second smoke exhaust fan is connected with the second main smoke discharging pipe, the second smoke evacuation arm is connected with the second main smoke discharging pipe, and the second smoke evacuation arm is connected with the smoke evacuation delivery port of sintering stage body of heater 4.
Be depicted as cooling section body of heater 7 as accompanying drawing 4 and 7.Cooling section spray box cooling system 8 (Fig. 7) mainly is made up of cooling section spray box cooling system cooling blower 29, the 3rd connecting tube 30 and cooling section circulation spray box 31, cooling section spray box cooling system cooling blower 29 air suction inlets are directly in ambient atmosphere, cooling section spray box cooling system cooling blower 29 air outlets are connected with the 3rd connecting tube 30, and the 3rd connecting tube 30 directly is connected with cooling section circulation spray box 31 blast inlets; The band steel passes through between following spray box 21 and last spray box 22 by line 32 along default cooling section strip steel; Cooling section waste discharge system 9 comprises the 3rd Steel Stack, the 3rd smoke exhaust fan, the 3rd main smoke discharging pipe, the 3rd smoke evacuation arm, the inlet of the 3rd smoke exhaust fan is connected with the 3rd main smoke discharging pipe, the 3rd smoke evacuation arm is connected with the 3rd main smoke discharging pipe, and the 3rd smoke evacuation arm is connected with the smoke evacuation delivery port of cooling section body of heater 7.
Air floating band steel transfer system 10 is (referring to Fig. 1-4,8) between the outlet of the outlet of dryer section body of heater 1 and cooling section body of heater 7, distribute, by the embedded recirculation blower 33 of air floating band steel transmission system, air floating band steel transmission mechanism 35 and the 4th connecting tube 34 are formed, embedded recirculation blower 33 is installed on the body of heater 37, the air suction inlet of embedded recirculation blower 33 is arranged in the coating stove, the air outlet of embedded recirculation blower 33 is connected with the 4th connecting tube 34, the 4th connecting tube 34 is connected with the blast inlet of air floating band steel transmission mechanism 35, the air outlet of air floating band steel transmission mechanism 35 is a nozzle, nozzle upwards passes through line 36 towards default coating furnace zone steel, and the band steel passes through line 36 by coating furnace body 37 along coating furnace zone steel; The transmission of band steel 49 in coating stove sintering stage and cooling section carried out transmission by air floating band steel transmission system 10, the air suction inlet of embedded recirculation blower 33 sucks furnace gas from the coating stove and enters air floating band steel transmission mechanism 35 by the 4th connecting tube 34, nozzle ejection by air floating band steel transmission mechanism 35, the gas of nozzle ejection produces a come-up to band steel 49 and supports, band steel 49 is suspended, thus can moving between the spray box up and down at each section circulation spray box.Because in the dryer section body of heater 1, band steel 49 moves according to the track of predefined band steel catenary 13, until when the exit of dryer section body of heater 1 (referring to Fig. 2) band steel is overhang, entering air floating band steel transfer system 10 working ranges, thereby the band steel does not contact with any equipment of coating stove in the whole coating stove, guarantee that the band steel does not contact with any equipment in the stove on drying regime, sintering state and state of cooling surface, belt steel surface is all without any scuffing.
High-power naked light burner heating system 11 (referring to Fig. 1 and 9) is separately positioned on dryer section body of heater 1 and the sintering stage body of heater 4; High-power naked light burner heating system 11 by branch gas tube 39, coal gas be responsible for 40, air arm 41, air are responsible for 42, combustion barrel 43, overlap more high-power naked light burner 38 and multiple manually and automatic valve form, the burning capacity of high-power naked light burner is 8～10 times of small power burner ability in the past; High-power naked light burner 38 be installed on the body of heater 37 of coating stove and with the combustion barrel 43 of body of heater 37 inboards be connected, the flame end of burner 38 is positioned at combustion barrel 43; Branch gas tube and be responsible for 39,40 and be connected with the coal gas interface of high-power naked light burner 38, air arm and 41,42 mouthfuls of air interfaces with high-power naked light burner 38 of the person in charge are connected.
Shown in Fig. 2 and 10, the band steel is worn band system 12 and is distributed between 1 import of dryer section body of heater and 7 outlets of cooling section body of heater along body of heater, mainly by import elevator 48, wear belt track 46, wear band dolly 47, threading steel rope 45 and outlet elevator 44 are formed, the import elevator is installed 48 inlets at dryer section body of heater 1, outlet elevator 44 is installed in the outlet of cooling section body of heater 7, import and export elevator 48,44 are connected with an end of a threading steel rope 45 respectively, wearing belt track 46 is installed on the interior bracing frame of coating stove, wear band dolly 47 and can move freely along wearing belt track 46, the other end of the threading steel rope 45 in import and exit respectively with wear band dolly 47 and be connected.Owing to adopted the air floating band steel transmission system, there is not furnace roller in the stove, adopt the band steel to wear the band system and can wear band quickly and easily, and import and export being provided with effectively to control and wearing tape speed of elevator.
The working process of this device:
At first, band steel 49 is worn band work through after the coating of coating roller 15.Shown in Fig. 2 and 10, band steel 49 is with dolly 47 to be connected with wearing, wearing band dolly 47 is wearing on the belt track 46 and can be free to slide, threading steel rope 45 1 ends of exit end with wear the band dolly 47 be connected, the other end is connected with outlet elevator 44, by outlet elevator 44 scrolling threading steel ropes 45, threading steel rope 45 drives to wear is with dolly 47 will be with steel 49 to pass the coating stove.
Wear after band work finishes, the dryer section body of heater 1 that makes the band steel enter the coating stove according to predefined band steel catenary 13 carries out drying to its surperficial coating liquid, enter sintering stage body of heater 4 then, belt steel surface coating liquid is carried out sintering, make coating liquid securely sintering enter cooling section body of heater 7 again and will be with steel to be cooled to normal temperature at belt steel surface.
Band steel 49 is overhang at dryer section body of heater 1, among Fig. 1,2,5, the 8-10, outlet at dryer section body of heater 1 is held up by air floating band steel transmission system 10, this moment by the space gas pipeline of high-power naked light burner heating system 11 to high-power naked light burner 38 air supplies and coal gas, by high-power naked light burner 38 tissue burnings, the ratio combustion control technology of controlling by segmentation makes high-power naked light burner 38 pass through combustion barrel 43 to the even heat supplied of burner hearth; The high-temperature flue gas that burning produces is sucked by dehumidification system first and second recirculation blowers 16,18 of dryer section circulation spray box dehumidification system 2, enter dryer section circulation spray box 17 through first connecting tube 19, the band steel that is circulated up and down between the spray box 22,21 by the jet hole on the dryer section circulation spray box 17 sprays, coating liquid to band steel 49 surfaces carries out drying, and makes burner hearth reach desired target temperature and satisfy the requirement of temperature uniformity by the high-temperature flue gas that dryer section circulation spray box 17 sprays.The flue gas that high-power naked light burner 38 burnings of high-power naked light burner heating system 11 produce is pooled to the first main smoke discharging pipe by dryer section fume exhaust system 3 by the first smoke evacuation arm, under the effect of first smoke exhaust fan, is discharged into outside the factory building by first Steel Stack.
Band steel 49 carries out transmission at sintering stage body of heater 4 by air floating band steel transfer system 10, among Fig. 3, the 8-10, this moment by the space gas pipeline of high-power naked light burner heating system 11 to high-power naked light burner 38 air supplies and coal gas, by high-power naked light burner 38 tissue burnings, the ratio combustion control technology of controlling by segmentation makes high-power naked light burner 38 to the even heat supplied of burner hearth; The high-temperature flue gas that burning produces is sucked by the sintering stage circulation spray box systemic circulation blower fan 25 of sintering stage circulation spray box sintering system 5, enter sintering stage circulation spray box 27 through second connecting tube 26, spray to band steel 49 by the jet hole on the sintering stage circulation spray box 27, coating liquid to belt steel surface carries out sintering, and makes burner hearth reach desired target temperature and satisfy the requirement of temperature uniformity by the high-temperature flue gas that sintering stage circulation spray box 27 sprays.The flue gas that high-power naked light burner 38 burnings of high-power naked light burner heating system 11 produce is pooled to the second main smoke discharging pipe by sintering stage fume exhaust system 6 by the second smoke evacuation arm, under the effect of second smoke exhaust fan, is discharged into outside the factory building by second Steel Stack.
Band steel 49 carries out transmission (Fig. 4,7-10) at cooling section body of heater 7 by air floating band steel transfer system 10, suck cold wind by cooling section spray box cooling system cooling blower 29 and enter cooling section circulation spray box 31 through the 3rd connecting tube 30 this moment from atmosphere, spray to the band steel by the jet hole on the cooling section circulation spray box 31, coating liquid to belt steel surface cools off, and the cooling air by cyclic spray makes burner hearth reach desired target temperature and satisfies the requirement of temperature uniformity.The cooling air that is sprayed in the stove by cooling section circulation spray box 31 is pooled to the 3rd main smoke discharging pipe by cooling section fume exhaust system 9 by the 3rd smoke evacuation arm, under the effect of the 3rd smoke exhaust fan, is discharged into outside the factory building by the 3rd Steel Stack.
Above disclosed only is preferred embodiment of the present utility model, and the equivalence of doing according to the utility model changes, and still belongs to protection domain of the present utility model.
Claims (2)
1. the coating stove of the high-power naked light burner of an employing system is characterized in that mainly comprising body of heater, circulation spray box, high-power naked light burner heating system; Wherein, body of heater mainly by structure housing, liner is fire-resistant and lagging material is formed; High-power naked light burner heating system is arranged on the body of heater, and described high-power naked light burner heating system comprises a plurality of high-power naked light burners.
2. coating stove according to claim 1 is characterized in that being divided into dryer section body of heater, sintering stage body of heater, cooling section body of heater successively along band steel delivery direction body of heater, and high-power naked light burner heating system is separately positioned on dryer section body of heater and the sintering stage body of heater; High-power naked light burner heating system by gas line, air line, combustion barrel, overlap more high-power naked light burner and multiple manually and automatic valve form; The burning capacity of high-power naked light burner is 8～10 times of small power burner ability in the past; High-power naked light burner is installed on the body of heater of coating stove and with the combustion barrel of furnace body inside and is connected, and the flame end of burner is positioned at combustion barrel; Gas line is connected with the coal gas interface of high-power naked light burner, and air line is connected with the air interface of high-power naked light burner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201257908U CN202054898U (en) | 2011-04-25 | 2011-04-25 | Coating furnace adopting high-power open flame combustion nozzle system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201257908U CN202054898U (en) | 2011-04-25 | 2011-04-25 | Coating furnace adopting high-power open flame combustion nozzle system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620532A (en) * | 2012-04-19 | 2012-08-01 | 德阳市恒达灯具制造有限公司 | Direct-fired oven |
| CN106066117A (en) * | 2016-06-06 | 2016-11-02 | 成都乐氏化工工程有限公司 | A kind of drying and consolidating all-in-one |
| CN113073177A (en) * | 2021-03-17 | 2021-07-06 | 武汉钢铁有限公司 | Control method for improving components of oxidation layer of oriented steel |
-
2011
- 2011-04-25 CN CN2011201257908U patent/CN202054898U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620532A (en) * | 2012-04-19 | 2012-08-01 | 德阳市恒达灯具制造有限公司 | Direct-fired oven |
| CN106066117A (en) * | 2016-06-06 | 2016-11-02 | 成都乐氏化工工程有限公司 | A kind of drying and consolidating all-in-one |
| CN113073177A (en) * | 2021-03-17 | 2021-07-06 | 武汉钢铁有限公司 | Control method for improving components of oxidation layer of oriented steel |
| CN113073177B (en) * | 2021-03-17 | 2022-08-09 | 武汉钢铁有限公司 | Control method for improving components of oxidation layer of oriented steel |
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