CN201648502U - Suction drum type continuous hot-dip galvanizing heating furnace system with combustion-supporting air heat exchange device - Google Patents
Suction drum type continuous hot-dip galvanizing heating furnace system with combustion-supporting air heat exchange device Download PDFInfo
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- CN201648502U CN201648502U CN2010201162744U CN201020116274U CN201648502U CN 201648502 U CN201648502 U CN 201648502U CN 2010201162744 U CN2010201162744 U CN 2010201162744U CN 201020116274 U CN201020116274 U CN 201020116274U CN 201648502 U CN201648502 U CN 201648502U
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Abstract
The utility model relates to a steel plate hot-dip galvanizing device, in particular to a suction drum type continuous hot-dip galvanizing heating furnace system provided with a combustion-supporting air heat exchange device. The utility model mainly solves the technical problems existing in the prior art that the nozzle of the annealing furnace adopts a suction-type radiating pipe nozzle, the efficiency of the combustion-supporting air heat exchanger is low, and a quite part of heat is discharged along with an air exhaust pipeline for the furnace, therefore, a great amount of heat is wasted, and the consumption of the liquefied gas is higher. The suction drum type continuous hot-dip galvanizing heating furnace system comprises a main gas pipe and a main combustion-supporting air pipe, wherein the main gas pipe and the main combustion-supporting air pipe are respectively communicated with more than two sections of heat exchange devices, each section of the heat exchange device comprises more than two heat exchangers, each heat exchanger adopts a U-shaped drum type radiating pipe heat exchanger, a suction drum type radiating pipe nozzle is connected at the end part of the drum type radiating pipe heat exchanger, the two suction drum type radiating pipe nozzles of the drum type radiating pipe heat exchanger are respectively communicated with the main gas pipe and the main combustion-supporting air pipe, and a smoke outlet of the drum type radiating pipe heat exchanger is communicated with a main smoke pipe.
Description
Technical field
The utility model relates to a kind of steel plate hot-galvanizing equipment, especially relates to a kind of adsorption drum type continuous hot galvanizing heating furnace system with combustion air heat-exchanger rig.
Background technology
Zinc-plated strip is the important raw and processed materials of industries such as automobile, household electrical appliances, building, machinery.In general, the manufacturing of steel plate galvanized or steel band at present mainly contains two kinds of methods: first kind is pot galvanize or title hot dip galvanizing method, and another kind of method is electro-galvanizing or electroless zinc plating.Other method is the combination or the improvement of above two kinds of methods, and its core technology all is pot galvanize technology and electro-galvanizing technology.That Chinese patent discloses is a kind of (Granted publication number :), and it may further comprise the steps at least: a. steel band enters the plating pretreatment stage, adopts acid wash to remove the ferric oxide of steel strip surface; B. the steel band after the plating pre-treatment enters the solvent treatment stage, and this steel band enters solvent trough, coats solvent in steel strip surface, and is no longer oxidized to guarantee steel strip surface; C. the steel band after solvent treatment enters the solvent baking stage, sends this steel band to stoving oven, the remaining moisture content oven dry of steel strip surface; D. the steel band after the drying enters the pot galvanize stage, sends this steel band to the zinc pot, and the reaction of steel band and zinc liquid plates layer of even zinc liquid in steel strip surface in zinc liquid; E. the steel band after zinc-plated enters the plating postcooling stage, sends this steel band to refrigerating unit it is cooled off; F. enter the polishing straightening stage through cooled steel band, template and surface treatment; G. the steel band after the polishing straightening is handled enters baking stage, with this steel band oven dry; H. the steel band after the drying enters the passivation oiling stage, sends this steel band to the rendering machine and primes; I. the steel band after passivation enters the baking stage, sends this steel band to roaster and toasts.Further comprising the steps of before the step a: a1. is contained in coil of strip on the Abrollhaspel, makes coil of strip expand into steel band; A2. if a last coil band launches then to enter step a3 fully, if after treating that a coil band launches fully, the portion end to end that two coils are rolled up pinches the welding machine welding respectively, thereby front and back two coils volume is welded together, realizes continuous production; A3. steel band enters the kink bin stock stage, and steel band is fed into entry loop; Further comprising the steps of after the step I: the steel band of i1. after baking enters the kink bin stock stage, sends this steel band to the outlet kink; I2. the steel band that comes out from the outlet kink enters the rolling stage, and finished product steel belt is delivered to winder, is rolled into the finished product volume on request.But the annealing furnace of this galvanization production line is according to furnace binding and processing requirement, except that partial heat energy passes through the body of heater heat lost by radiation because of steel band absorption, small part that annealing need constantly be moved, because inhaling type radiation pipe burner tip, the combustion air heat exchanger efficiency is low, the combustion air preheating temperature only reaches about 350 ℃, the flue-gas temperature of discharge but up to 550 ℃ about, make quite a few heat energy discharge with the gas exhaust duct of stove, waste a large amount of heat energy, lpg consumption reaches 24Kg.
Summary of the invention
The utility model technical issues that need to address provide a kind of adsorption drum type continuous hot galvanizing heating furnace system with combustion air heat-exchanger rig, it mainly is to solve the existing in prior technology annealing furnace according to furnace binding and processing requirement, because inhaling type radiation pipe burner tip, the combustion air heat exchanger efficiency is low, make quite a few heat energy discharge with the gas exhaust duct of stove, waste a large amount of heat energy, the technical problem of the bigger grade of lpg consumption.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: the adsorption drum type continuous hot galvanizing heating furnace system with combustion air heat-exchanger rig of the present utility model, comprise combustion gas house steward and combustion air house steward, it is characterized in that described combustion gas house steward, the combustion air house steward is communicated with the heat-exchanger rig of the heated steel plate more than 2 sections, every section heat-exchanger rig is the interchanger more than 2, interchanger is the formula that the blasts radiator tube interchanger of " U " shape, blast formula radiator tube interchanger and be located at the upper and lower surface place of steel plate respectively, the end that blasts formula radiator tube interchanger is connected with takes out the drum-type radiation pipe burner tip, each " U " shape blasts two of formula radiator tube interchanger and takes out the drum-type radiation pipe burner tip and be communicated with the combustion gas house steward respectively, the combustion air house steward, the exhanst gas outlet that blasts formula radiator tube interchanger is communicated with the flue gas house steward, and the flue gas house steward is communicated with Waste gas outlet.Original inhaling type radiation pipe burner tip is replaced by takes out the drum-type radiation pipe burner tip, adopt energy-saving HQFS-PS type to blast formula radiator tube interchanger, the combustion air preheating temperature is brought up to about 500 ℃ by present about 350 ℃, and flue-gas temperature is not higher than after 250 ℃ of transformations the lpg consumption amount and descends than existing system and 20% be not about 18～20Kg/ ton steel.
As preferably, described combustion gas house steward, combustion air house steward and take out and all be provided with the ratio adjusting valve group between the drum-type radiation pipe burner tip.Ratio adjusting valve can be gathered the pressure signal of combustion gas and air, when air pressure variations, diaphragm position in the ratio adjusting valve will change, thereby driving valve turns down or opens greatly, up to reaching certain ratio, its effect is to keep the ratio of air capacity and gas quantity not to be subjected to the influence of both pressure change, thereby adjusts the air fuel gas ratio, be excess air coefficient, make annealing furnace operate in the suitableeest combustion zone always.
As preferably, the described exhanst gas outlet that blasts formula radiator tube interchanger is communicated with the flue gas house steward by the flue gas gas blower, and the flue gas gas blower is controlled by variable-frequency motor.Adopt frequency conversion control technique to control gas blower, make it according to the working condition variable-speed operation.Adopt speed control by frequency variation, thereby the incoming frequency that changes blower motor changes electric motor, blower speed, adopt digital intelligent control, have powerful change function certainly, dynamic adjustments adapts to the variation of load behavior automatically in good time, need not artificial adjustment.The frequency conversion gas blower has solved the problem of regulating hot air flow, adopts low cruise when the production technique temperature satisfies condition with fan starting.When production technique need heat up, then adopt the high relatively operation that hastens, satisfy processing requirement to strengthen the hot air convection exchange capacity.
As preferably, described combustion air house steward's ingress is communicated with the combustion air gas blower, and the combustion air gas blower is controlled by variable-frequency motor, and the combustion air gas blower is communicated with sound damper, is provided with baffle plate between sound damper and the combustion air gas blower.Sound damper and baffle plate can be used for reducing the noise of entire equipment, and combustion air blower variable frequency motor also can make it according to the working condition variable-speed operation.As preferably, described flue gas house steward is connected with the water heater that can heat the pre-treatment circulation fluid, and water heater is communicated with hot-air blowing workshop and Waste gas outlet.Utilize liquefied gas (Sweet natural gas) as heating energy source, by fume centralized that interchanger is discharged to the flue gas house steward, collect using waste heat from tail gas to greatest extent, can not influence simultaneously the works better of annealing furnace again, pass through transducing devices efficiently again, with the tail gas after the heat exchange by pipe-line transportation to each hot-air blowing of production line back segment, both can save the coal firing boiler annealing furnace, realized not only purpose energy-conservation but also that reduce discharging.
As preferably, described heat-exchanger rig is 9 sections, and the formula that the blasts radiator tube interchanger of every section heat-exchanger rig is 16.Every section heat-exchanger rig all has 16 to blast formula radiator tube interchanger, 8 tops that are positioned at steel plate wherein, other 8 belows that are positioned at steel plate.Every section heat-exchanger rig is all faced it from two of steel plate and is toasted, and makes heats better.
Therefore, the utlity model has and utilize combustion gas as heating energy source, by the design improvement of annealing furnace exhaust pipe, collect using waste heat from tail gas to greatest extent, can not influence the works better of annealing furnace simultaneously again, pass through transducing devices efficiently again, part of waste heat is used to heat the pre-treatment scavenging solution, the tail gas after the heat exchange is arrived each hot-air blowing of production line back segment by pipe-line transportation, both can save the coal firing boiler annealing furnace, realized not only purpose energy-conservation but also that reduce discharging, characteristics such as simple and reasonable for structure.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model.
Component, position and numbering among the figure: combustion gas house steward 1, combustion air house steward 2, flue gas house steward 3, blast formula radiator tube interchanger 4, take out drum-type radiation pipe burner tip 5, ratio adjusting valve group 6, flue gas gas blower 7, combustion air gas blower 8, sound damper 9, baffle plate 10, water heater 11, steel plate 12.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: the adsorption drum type continuous hot galvanizing heating furnace system with combustion air heat-exchanger rig of this example, as Fig. 1, a flue gas house steward 1 and combustion air house steward 2 are arranged, combustion air house steward 2 ingress is communicated with combustion air gas blower 8, the combustion air gas blower is controlled by variable-frequency motor, the combustion air gas blower is communicated with sound damper 9, is provided with baffle plate 10 between sound damper and the combustion air gas blower.Combustion gas house steward 1, combustion air house steward 2 each passing ratio variable valve group 6 are communicated with 9 sections heat-exchanger rigs that can heat steel plate, the every section formula that blasts radiator tube interchanger 4 that heat exchange is 16 " U " shapes, 8 tops that are positioned at steel plate 12 wherein, other 8 belows that are positioned at steel plate 12.The end that blasts formula radiator tube interchanger is connected with takes out drum-type radiation pipe burner tip 5, and each " U " shape blasts two of formula radiator tube interchanger 4 and takes out the drum-type radiation pipe burner tip and be communicated with combustion gas house steward 1, combustion air house steward 2 respectively.Each exhanst gas outlet that blasts formula radiator tube interchanger is communicated with flue gas house steward 3 by flue gas gas blower 7, and the flue gas gas blower is controlled by variable-frequency motor.The flue gas house steward is connected with the water heater 11 that can heat the pre-treatment circulation fluid, and water heater is communicated with hot-air blowing workshop and Waste gas outlet.
During use, galvanized steel plate is transported to blasts formula radiator tube interchanger 4 places, 8 operations of combustion air gas blower, feeding combustion air among combustion air house stewards 2, combustion air heats by blasting 4 pairs of steel plates of formula radiator tube interchanger; After the heating, combustion gas enters into combustion gas house steward 1 place, and flue gas is transported to flue gas house steward 3 through flue gas gas blower 7; Flue gas in the flue gas house steward 3 at first heats by 11 pairs of pre-treatment circulation fluids of water heater, then flue gas feeds the hot-air blowing workshop and pre-treatment steel plate, hardening channel-section steel plate, polishing machine steel plate, passivation steel plate are carried out hot blow sweeps, and the waste gas of Xing Chenging is discharged by Waste gas outlet at last.
Claims (6)
1. adsorption drum type continuous hot galvanizing heating furnace system with combustion air heat-exchanger rig, comprise combustion gas house steward (1) and combustion air house steward (2), it is characterized in that described combustion gas house steward (1), combustion air house steward (2) is communicated with the heat-exchanger rig of the heated steel plate more than 2 sections, every section heat-exchanger rig is the interchanger more than 2, interchanger is the formula that the blasts radiator tube interchanger (4) of " U " shape, blast formula radiator tube interchanger and be located at the upper and lower surface place of steel plate respectively, the end that blasts formula radiator tube interchanger is connected with takes out drum-type radiation pipe burner tip (5), each " U " shape blasts two of formula radiator tube interchanger and takes out the drum-type radiation pipe burner tip and be communicated with the combustion gas house steward respectively, the combustion air house steward, the exhanst gas outlet that blasts formula radiator tube interchanger is communicated with flue gas house steward (3), and the flue gas house steward is communicated with Waste gas outlet.
2. the adsorption drum type continuous hot galvanizing heating furnace system with combustion air heat-exchanger rig according to claim 1 is characterized in that described combustion gas house steward (1), combustion air house steward (2) and takes out all being provided with ratio adjusting valve group (6) between the drum-type radiation pipe burner tip (5).
3. the adsorption drum type continuous hot galvanizing heating furnace system with combustion air heat-exchanger rig according to claim 1 and 2, it is characterized in that the described exhanst gas outlet that blasts formula radiator tube interchanger is communicated with flue gas house steward (3) by flue gas gas blower (7), the flue gas gas blower is controlled by variable-frequency motor.
4. the adsorption drum type continuous hot galvanizing heating furnace system with combustion air heat-exchanger rig according to claim 1 and 2, the ingress that it is characterized in that described combustion air house steward (2) is communicated with combustion air gas blower (8), the combustion air gas blower is controlled by variable-frequency motor, the combustion air gas blower is communicated with sound damper (9), is provided with baffle plate (10) between sound damper and the combustion air gas blower.
5. the adsorption drum type continuous hot galvanizing heating furnace system with combustion air heat-exchanger rig according to claim 1 and 2, it is characterized in that described flue gas house steward (3) is connected with the water heater (11) that can heat the pre-treatment circulation fluid, water heater is communicated with hot-air blowing workshop and Waste gas outlet.
6. the adsorption drum type continuous hot galvanizing heating furnace system with combustion air heat-exchanger rig according to claim 1 and 2 is characterized in that described heat-exchanger rig is 9 sections, and the formula that the blasts radiator tube interchanger (4) of every section heat-exchanger rig is 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201162744U CN201648502U (en) | 2010-02-23 | 2010-02-23 | Suction drum type continuous hot-dip galvanizing heating furnace system with combustion-supporting air heat exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201162744U CN201648502U (en) | 2010-02-23 | 2010-02-23 | Suction drum type continuous hot-dip galvanizing heating furnace system with combustion-supporting air heat exchange device |
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| Publication Number | Publication Date |
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| CN201648502U true CN201648502U (en) | 2010-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201162744U Expired - Lifetime CN201648502U (en) | 2010-02-23 | 2010-02-23 | Suction drum type continuous hot-dip galvanizing heating furnace system with combustion-supporting air heat exchange device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759103A (en) * | 2012-07-17 | 2012-10-31 | 石家庄市新华工业炉有限公司 | Radiation heater |
| CN103602938A (en) * | 2013-11-13 | 2014-02-26 | 常熟市宝华建筑装璜材料有限公司 | Hot-dip galvanizing equipment |
| CN111378813A (en) * | 2018-12-30 | 2020-07-07 | 瑨祥(宜昌)机电设备有限公司 | Flow-control energy-saving annealing furnace for galvanized wire |
-
2010
- 2010-02-23 CN CN2010201162744U patent/CN201648502U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759103A (en) * | 2012-07-17 | 2012-10-31 | 石家庄市新华工业炉有限公司 | Radiation heater |
| CN103602938A (en) * | 2013-11-13 | 2014-02-26 | 常熟市宝华建筑装璜材料有限公司 | Hot-dip galvanizing equipment |
| CN111378813A (en) * | 2018-12-30 | 2020-07-07 | 瑨祥(宜昌)机电设备有限公司 | Flow-control energy-saving annealing furnace for galvanized wire |
| CN111378813B (en) * | 2018-12-30 | 2021-09-21 | 瑨祥(宜昌)机电设备有限公司 | Flow-control energy-saving annealing furnace for galvanized wire |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |