CN107557712B - Zinc plating system and method with end inlet side outlet - Google Patents
Zinc plating system and method with end inlet side outlet Download PDFInfo
- Publication number
- CN107557712B CN107557712B CN201710953999.5A CN201710953999A CN107557712B CN 107557712 B CN107557712 B CN 107557712B CN 201710953999 A CN201710953999 A CN 201710953999A CN 107557712 B CN107557712 B CN 107557712B
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- Prior art keywords
- door
- collecting hood
- gas collecting
- steel rail
- side outlet
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 44
- 239000011701 zinc Substances 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000007747 plating Methods 0.000 title description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 50
- 239000010959 steel Substances 0.000 claims abstract description 50
- 238000005246 galvanizing Methods 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims description 30
- 239000004744 fabric Substances 0.000 claims description 16
- 239000000779 smoke Substances 0.000 claims description 10
- 238000010009 beating Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 238000011282 treatment Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 abstract description 29
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003546 flue gas Substances 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 230000017105 transposition Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010035148 Plague Diseases 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Coating With Molten Metal (AREA)
Abstract
The system comprises a gas collecting hood arranged above a zinc pot platform, a first steel rail arranged above the gas collecting hood and along the length direction of the gas collecting hood, and a second steel rail arranged above the gas collecting hood and in parallel along the width direction of the gas collecting hood, wherein the second steel rail and the first steel rail are positioned on the same horizontal plane and are mutually perpendicular, and an transposition device is arranged at the intersection of the second steel rail and the first steel rail; the structure ensures the tightness of the system, and intensively collects the flue gas generated in the galvanizing of the zinc pot so as to thoroughly clean pollutants and avoid polluting the working environment; the collecting method adopts a mode of entering from the end and exiting from the side, reduces the residence time of the galvanized part in the air, ensures that the surface stripes of the galvanized part are uniform, and the surface quality of the workpiece is excellent.
Description
Technical Field
The invention relates to a system and a method, in particular to a galvanization system and a galvanization method with end inlet and side outlet, belonging to the technical field of galvanization technology.
Background
Hot galvanizing, also known as hot dip galvanization, is a method of obtaining a metallic coating of a steel component immersed in molten zinc bath. The electrogalvanized layer is 5-15 μm thick, whereas the hot-dip zinc layer is generally above 35 μm, even up to 200 μm. The hot galvanizing coating has good covering capability, compact coating and better atmospheric corrosion resistance to the base metal iron than electrogalvanizing. Therefore, the national infrastructures such as high-speed railway construction, transmission towers, communication towers, urban traffic construction, building steel structures and the like are subjected to hot galvanizing anticorrosion treatment. The hot dip galvanizing has the characteristics of high corrosion resistance, long service life, no maintenance, wide application environment and the like due to the thickness and the adhesive force of a zinc layer, difficult falling off, and the like, and along with the development of industry, hot dip galvanized products are widely applied and served on national infrastructure and construction.
The hot galvanizing production process needs degreasing, pickling, washing, plating assisting and other pre-plating treatments, the working environment and the equipment use environment are relatively bad due to acid mist, water vapor and the like in the pre-treatment process, the corrosion resistance, the use stability and the like of the production line equipment become main factors which plague the improvement of the industry from mechanization to automation, the culture literacy, professional literacy and the like of industry practitioners are relatively low, and the construction of the industry production line mainly stays in the mechanized or semi-automatic stage; the industry has not been able to make a breakthrough in technology for more than 180 years, and a complete automatic control production line has not been constructed.
At present, when a workpiece is galvanized, the workpiece to be galvanized is placed in a high-temperature zinc pot, so that the workpiece and a high-temperature solution are subjected to chemical reaction to realize surface galvanization, the temperature of flue gas evaporated from the zinc pot is high in the high-temperature heating and chemical reaction process, the rising speed is high, and the volatilized zinc oxide dust on the zinc liquid surface is taken away in a large amount, so that the environment pollution is caused and the galvanization cost is increased.
The traditional hot dip galvanizing zinc plating process generally adopts the arrangement that galvanized parts enter from one side (along the width direction) of a galvanized pot, and the other side comes out from the side, so that a galvanized single beam travelling crane needs to frequently return to the upper part of the galvanized pot, the linear arrangement production efficiency is basically maintained at 50% -60%, the production efficiency is relatively low, and two lifting doors in the length direction need to be frequently opened, the sealing performance of the galvanized pot is reduced, and the collection of zinc smoke by a fume collecting hood is influenced; the galvanized part is produced by the way that the galvanized part is fed in and fed out from the end of a galvanized pot (along the length direction), the travel path from the galvanized part to a cooling water tank is long, the galvanized part has long residence time in the air, the galvanized part cannot be rapidly cooled down after being galvanized, for example, when the Q345 steel is galvanized, the surface of the steel is darkened easily due to slow cooling, the domestic strength Q345 and the quality requirement of the hot galvanizing appearance of the steel cannot be met, the swinging amplitude of the galvanized part on a travelling crane is limited by the way that the galvanized part is fed in and fed out from the end, the surface of the galvanized part cannot be reduced by swinging or vibrating, superfluous zinc liquid is adhered to the surface of the galvanized part, so that the surface of the galvanized part is easy to form hanging tumor, uneven stripes are formed, and the surface quality is influenced.
Disclosure of Invention
The invention aims to provide a galvanization system and a galvanization method with end inlet and side outlet, which have excellent tightness, can intensively collect flue gas and dust generated in a galvanization process, and improve the production efficiency; meanwhile, the method ensures the quality of the workpiece while ensuring the appearance quality requirement of the side-in and side-out type production line on Q345 steel products.
In order to achieve the above purpose, the invention adopts the following technical scheme: the galvanized system comprises a gas collecting hood arranged above a zinc pot platform, a first steel rail arranged above the gas collecting hood and along the length direction of the gas collecting hood, and a second steel rail arranged above the gas collecting hood and in parallel along the width direction of the gas collecting hood, wherein the second steel rail and the first steel rail are positioned on the same horizontal plane and are mutually perpendicular, and an transposition device is arranged at the intersection of the second steel rail and the first steel rail; the gas collecting hood comprises upright posts respectively arranged at four corners of the zinc pot platform, an end inlet door is hinged with the upright posts at two ends of the zinc pot platform in the length direction through a rotating shaft, the end inlet door comprises an upper door and a lower door, and the upper door is provided with two doors which are respectively connected with the upright posts through air cylinders arranged at the top of the upper door; the side outlet door is arranged on a front upright post at two ends of the zinc pot platform in the width direction and comprises a girder, high-temperature resistant cloth and an anti-wind shaft, the girder is connected with the front upright post through a guide rail, a chain transmission system drives the girder to lift, the lower end of the girder is provided with a reel motor, an output shaft of the reel motor is connected with a reel, the anti-wind shaft which is transversely and equidistantly arranged is arranged below the reel, the high-temperature resistant cloth is fixed on the anti-wind shaft through a brace, one end of the brace is connected with the reel and sequentially vertically passes through a belt buckle arranged on the anti-wind shaft to be connected with the anti-wind shaft at the lowest part, so that an integral structure is formed; the rear wall of the gas collecting hood is connected with the rear upright post through a chain transmission system, a reserved air port is arranged on the upper portion of the gas collecting hood, an ash beating guardrail fixed on a zinc pot platform is arranged at the lower end of the gas collecting hood, a lifting observation window is arranged in the middle of the gas collecting hood, the lifting observation window is installed on the lower portion of the rear upright post through a guide rail, and lifting of the lifting observation window is driven through a chain transmission system II.
Further, the first chain transmission system comprises a first lifting motor, a first chain and a first balancing weight, the first lifting motor is arranged at the top end of the upright post, one end of the first chain is connected with the girder through the first lifting motor, the other end of the first chain is connected with the first balancing weight, the first chain transmission system is two sets of chain transmission systems, and the first chain transmission system and the second chain transmission system are respectively arranged at two ends of the girder.
Further, the second steel rail is arranged along the side exit direction.
Further, a channel for penetrating the travelling crane steel wire rope is arranged at the top of the gas collecting hood.
Further, the second chain transmission system comprises a second lifting motor, a driving shaft sprocket, a second chain and a second balancing weight, wherein the second lifting motor, the driving shaft sprocket, the second chain and the second balancing weight are arranged above two sides of the lifting observation window, the second lifting motor is connected with the driving shaft sprocket, one end of the second chain is connected with the lifting observation window, and the other end of the second chain is connected with the second balancing weight; the second chain transmission system is two sets and is respectively arranged at two ends of the lifting observation window.
Further, an electric detection device is arranged on the upright post, and the electric detection device is an infrared light curtain detector.
Further, the lower door is arranged as two doors, and the lower door is a normally closed door.
The galvanization method of the end inlet side outlet is characterized by comprising the following steps:
s1: starting: the large-scale work piece to be galvanized is hoisted by two monorail travelling cranes simultaneously and runs along the direction of a steel rail facing to an end inlet door, when the work piece reaches the end inlet door, an upper layer door is driven to be opened by a cylinder, and the work piece enters a gas collecting hood and reaches the position right above a zinc pot, and the end inlet door is closed;
s2: the side outlet door is kept in a closed state, a travelling crane steel wire rope descends to enable a workpiece to be immersed in a galvanizing solution in a zinc pot, at the moment, zinc smoke generated during galvanizing is sucked into a reserved air port on the rear wall of a gas collecting hood and enters a smoke collecting device through an air pipe, when the workpiece is galvanized and ready to be discharged from the pot, a reel motor on the side outlet door rotates to pile high-temperature-resistant cloth to 2 meters high, and meanwhile, a lifting observation window is lifted to 2 meters high to perform manual ash beating;
s3, a reel motor of the side exit drives high-temperature-resistant cloth to be piled up below the girder, meanwhile, a chain transmission system drives the girder to descend to the height where a workpiece can be moved out, the monorail crane rotates by 90 degrees through an indexing device to carry out steel rail II, and two monorail vehicles hoist the large-scale workpiece along the steel rail II respectively and move out from the upper part of the side exit girder to a post-treatment area; this process is ended.
The beneficial effects of the invention are as follows: the system has excellent sealing performance, a galvanized part is generally adopted in the hot dip galvanizing process to enter from one end of a galvanizing pot (along the length direction), and comes out from one side of the galvanizing pot (along the width direction), so that a lifting door in the length direction does not need to be frequently opened, when a workpiece starts to be galvanized, an end inlet door and a side outlet door are both in a closed state, when the workpiece is galvanized and is ready to come out of the pot, a reel motor on the side outlet door rotates, high-temperature-resistant cloth is piled up to 2 meters high, and meanwhile, a lifting observation window is lifted to 2 meters high for manual ash beating; the structure ensures the tightness of the system, and intensively collects the flue gas generated in the galvanizing of the zinc pot so as to thoroughly clean pollutants and avoid polluting the working environment.
The method adopts a mode of entering from the end and exiting from the side, shortens the travel path from the galvanized part to the cooling water tank, reduces the residence time of the galvanized part in the air, for example, when the Q345 steel is hot galvanized, the cooling speed is increased, the appearance quality of hot galvanizing of the domestic strength Q345 steel and above can be ensured, and the galvanized part swings on a crane when the mode of entering from the end and exiting from the side is adopted, and the galvanized part can remove superfluous zinc liquid attached to the surface through swinging or vibration, so that the surface stripes of the galvanized part are uniform, and the surface quality of a workpiece is excellent.
Drawings
Figure 1 is a schematic view of the structure of the present invention,
figure 2 is a schematic view of the structure of the end entry door,
figure 3 is a schematic view of the structure of the side-out door,
figure 4 is a schematic view of the structure of the rear wall,
figure 5 is a schematic view of the track above the hood,
in the figure, the end inlet door 1, the lower door 11, the upper door 12, the air cylinder 13, the side outlet door 2, the girder 21, the lifting motor 22, 23, a balancing weight I, 24, a scroll motor, 25, a scroll, 26, high temperature resistant cloth, 27, a belt buckle, 28, an anti-wind shaft, the device comprises a gas collecting hood, a rear wall, a lifting observation window, a lifting motor, a balancing weight, a dust removing guardrail, a zinc pot platform, an upright post, a front upright post, a rear upright post, a steel rail I, a steel rail II and an indexing device.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the technical scheme adopted by the invention is as follows: the galvanization system with the end inlet side outlet comprises a gas collecting hood 3 arranged above a zinc pot platform 5, a first steel rail 7 arranged above the gas collecting hood 3 and along the length direction of the gas collecting hood 3, and a second steel rail 8 arranged above the gas collecting hood 3 and in parallel along the width direction of the gas collecting hood 3, wherein the second steel rail 8 and the first steel rail 7 are positioned on the same horizontal plane and are mutually perpendicular, and an transposition device 9 is arranged at the intersection of the second steel rail 8 and the first steel rail 7; the gas collecting hood 3 is of a cube structure with an open lower end, and comprises upright posts 6 respectively arranged at four corners of the zinc pot platform 5, the end inlet door 2 is hinged with the upright posts 6 at two ends of the zinc pot platform 5 in the length direction through a rotating shaft, the end inlet door 1 comprises an upper door 12 and a lower door 11, the upper door 12 is provided with two pieces, the two pieces are respectively connected with the upright posts 6 through an air cylinder 13 arranged at the top of the upper door 12, and the air cylinder 13 drives the two pieces of upper door 12 to be opened simultaneously, so that workpieces can enter conveniently; the side outlet door 2 is arranged on a front upright post 61 at two ends of the zinc pot platform 5 in the width direction and comprises a girder 21, high-temperature resistant cloth 26 and wind resistant shafts 28, the girder 21 is connected with the front upright post 61 through a guide rail, a chain transmission system drives the girder 21 to lift, reel motors 24 are arranged at two sides of the lower end of the girder 21, an output shaft of each reel motor 24 is connected with a reel 25, wind resistant shafts 28 which are transversely and equidistantly arranged are arranged below each reel 25, the high-temperature resistant cloth 26 is fixed on the wind resistant shafts 28 through braces, one ends of the braces are connected with the reels 25 and sequentially vertically penetrate through a belt buckle 27 arranged on each wind resistant shaft 28 to be connected with the wind resistant shaft 28 at the lowest part, and an integral structure is formed; when the scroll motor 24 rotates, the scroll 25 can drive the braces to pile up the high temperature resistant cloth 26 under the girder 21.
As shown in fig. 4, the rear wall 4 of the gas-collecting channel is connected with the rear upright post 62 by a chain transmission system, in addition, the rear wall 4 of the gas-collecting channel can also be fixed on the rear upright post 62 at two ends of the zinc pot platform 5 in the width direction, a reserved air port 46 is arranged at the upper part of the rear wall 4, an ash beating guardrail 44 fixed on the zinc pot platform 5 is arranged at the lower end, a lifting observation window 41 is arranged in the middle of the rear wall, a transparent window is arranged on the lifting observation window 41, a worker can observe the galvanizing condition of a workpiece conveniently, the lifting observation window 41 is arranged at the lower part of the rear upright post 62 by a guide rail, the lifting observation window 41 is driven to lift by a chain transmission system II, when the workpiece is galvanized, the reel motor 24 on the side outlet door 2 rotates to pile up the high-temperature-resistant cloth 26 to 2 m high, and meanwhile, the lifting observation window 41 is driven by the chain transmission system II to rise to 2 m high, so as to manually ash, and the smoke generated in the zinc plating of the zinc pot can be collected intensively, so as to thoroughly clean the pollutants, and avoid polluting the working environment.
Further, the first chain transmission system comprises a first lifting motor 22, a first chain and a first balancing weight 23, the first lifting motor 22 is arranged at the top end of the upright post, the first chain is connected with the girder 21 through one end of the first lifting motor 22, the other end of the first chain is connected with the first balancing weight 23, and the two sets of chain transmission systems are preferably arranged at two ends of the girder 21 respectively due to the fact that the length of the gas collecting hood 3 is large, so that the girder 21 can be lifted horizontally and synchronously.
Further, the second steel rail is arranged along the direction of the side outlet door 2, after the galvanization of the workpiece is completed, the single-rail crane lifts the workpiece, rotates 90 degrees through the indexing device, and enters the second steel rail to be transported out from the direction of the side outlet door 2, so that the next working procedure is performed.
Further, a channel for penetrating the travelling crane steel wire rope is arranged at the top of the gas collecting hood 3.
Further, the second chain transmission system comprises a second lifting motor 42, a driving shaft sprocket, a second chain and a second balancing weight 43 which are arranged above two sides of the lifting observation window, wherein the second lifting motor 42 is connected with the driving shaft sprocket, one end of the second chain is connected with the lifting observation window 41, and the other end of the second chain is connected with the second balancing weight 43; because the length of the lifting observation window 41 is larger, preferably, the two sets of chain transmission systems are respectively arranged at two ends of the lifting observation window 41, so that the lifting observation window 41 can be lifted horizontally and synchronously.
Further, an electric detection device is arranged on the upright post 6, the electric detection device is an infrared light curtain detector, when a person enters the working area to work during operation, the lifting observation window 41 and the girder 21 do not have landing motions, and therefore the safety of the worker is guaranteed.
Further, the number of the lower doors 11 is two, and the lower doors 11 are normally closed doors, so that the arrangement prevents the leakage of smoke and dust.
The galvanization method of the end inlet side outlet is characterized by comprising the following steps:
s1: starting: when the workpiece reaches the end inlet door 1, the upper door 12 is driven to open by the cylinder 13, and the workpiece enters the gas collecting hood 3 and reaches the position right above the zinc pot, and the end inlet door 1 is closed;
s2: the side outlet door 2 keeps a closed state, a travelling crane steel wire rope descends to enable a workpiece to be immersed into a galvanizing solution in a zinc pot, at the moment, zinc smoke generated during galvanizing is sucked into a reserved air port of the rear wall 4 of the gas collecting hood, the zinc smoke enters the smoke collecting device through an air pipe, when the workpiece is galvanized and ready to be discharged from a pot, a reel motor 24 on the side outlet door 2 rotates to stack high-temperature-resistant cloth 26 to 2 meters, and a chain transmission system II drives a lifting observation window 41 to be lifted to 2 meters for manual ash beating;
s3, a reel motor 24 of the side exit door 2 drives a high-temperature-resistant cloth 26 to be piled up below the girder 21, meanwhile, a chain transmission system drives the girder 21 to descend to the height where a workpiece can be removed, a monorail crane rotates 90 degrees through an indexing device 9 and enters a steel rail II 8, and two monorail vehicles hoist a large workpiece along the steel rail II 7 and move out from the upper part of the side exit girder 21 to a post-treatment area; this process is ended.
Claims (8)
1. The galvanization system with the end inlet side outlet is characterized by comprising a gas collecting hood (3) arranged above a zinc pot platform, a first steel rail (7) arranged above the gas collecting hood (3) and along the length direction of the gas collecting hood (3), and a second steel rail (8) arranged above the gas collecting hood (3) and in parallel along the width direction of the gas collecting hood (3), wherein the second steel rail (8) and the first steel rail (7) are positioned on the same horizontal plane and are mutually perpendicular, and an indexing device (9) is arranged at the intersection of the second steel rail (8) and the first steel rail (7); the gas collecting hood (3) comprises upright posts (6) which are respectively arranged at four corners of the zinc pot platform (5), the end inlet door (1) is hinged with the upright posts (6) at two ends of the zinc pot platform (5) in the length direction through a rotating shaft, the end inlet door (1) comprises an upper door (12) and a lower door (11), and the upper door (12) is provided with two doors which are respectively connected with the upright posts (6) through air cylinders (13) arranged at the top of the upper door; the side outlet door (2) is arranged on a front upright post (61) at two ends of the zinc pot platform (5) in the width direction and comprises a girder (21), high-temperature-resistant cloth (26) and an anti-wind shaft (28), the girder (21) is connected with the front upright post (61) through a guide rail, a chain transmission system drives the girder (21) to lift, a reel motor (24) is arranged at the lower end of the girder (21), an output shaft of the reel motor (24) is connected with a reel (25), the anti-wind shaft (28) transversely distributed at equal intervals is arranged below the reel (25), the high-temperature-resistant cloth (26) is fixed on the anti-wind shaft (28) through a brace, one end of the brace is connected with the reel (25) and sequentially vertically penetrates through a brace buckle (27) arranged on the anti-wind shaft (28) to be connected with the lowest anti-wind shaft (28), so as to form an integral structure; the rear wall (4) of the gas collecting hood (3) is connected with a rear upright post (62) through a chain transmission system, a reserved air port is formed in the upper portion of the gas collecting hood, an ash beating guardrail (44) fixed to a zinc pot platform is arranged at the lower end of the gas collecting hood, a lifting observation window (41) is arranged in the middle of the gas collecting hood, the lifting observation window (41) is installed at the lower portion of the rear upright post (62) through a guide rail, and lifting of the lifting observation window (41) is driven through a chain transmission system II.
2. The galvanization system of an end-in side-out according to claim 1, wherein said first chain transmission system comprises a first lifting motor (22), a first chain and a first balancing weight (23), said first lifting motor (22) is mounted on top of a front upright (61), one end of said first chain is connected with a girder (21) through one end of said first lifting motor (22), the other end is connected with said first balancing weight (23), said first chain transmission system is two sets, respectively disposed at two ends of said girder (21).
3. A galvanising system according to claim 1, characterized in that the second rail (8) is arranged in the direction of the side outlet door (2).
4. A galvanising system with an end inlet side outlet according to claim 1, characterized in that the top of the gas collecting hood (3) is provided with a channel for passing through a travelling crane wire rope.
5. The galvanization system of an end-in side-out according to claim 1, wherein said second chain transmission system comprises a second lifting motor (42), a driving shaft sprocket, a second chain and a second balancing weight (43) arranged above two sides of the lifting observation window (41), said second lifting motor (42) is connected with the driving shaft sprocket, one end of the second chain is connected with the lifting observation window (41), and the other end is connected with the second balancing weight (43); the second chain transmission system is two sets and is respectively arranged at two ends of the lifting observation window (41).
6. A galvanising system with an end inlet side outlet according to claim 1, characterized in that the upright (6) is provided with electrical detection means.
7. A galvanising system according to claim 1, 2, 3, 4, 5 or 6, characterized in that said lower door (11) is provided in two pieces, the lower door (11) being a normally closed door.
8. The galvanization method of the end inlet side outlet is characterized by comprising the following steps:
s1: starting: the large-scale work piece to be galvanized is hoisted by two monorail travelling cranes simultaneously and moves towards the end inlet door (1) along the first steel rail (7), when the work piece reaches the end inlet door (1), the upper door (12) is driven to be opened by the air cylinder (13), the work piece enters the gas collecting hood (3) and reaches the position right above the zinc pot, and the end inlet door (1) is closed;
s2: the side outlet door (2) keeps a closed state, a travelling steel wire rope descends to enable a workpiece to be immersed into a galvanizing solution in a zinc pot, at the moment, zinc smoke generated during galvanizing is sucked into a reserved air port of the rear wall (4) of the gas collecting hood and enters a smoke collecting device through an air pipe, when the workpiece is galvanized and ready to be discharged from the pot, a reel motor (24) on the side outlet door (2) rotates to stack high-temperature-resistant cloth (26) to a height of 2 meters, and meanwhile, a lifting observation window (41) is lifted to a height of 2 meters to perform manual ash beating;
s3, a reel motor (24) of the side outlet door (2) drives a high-temperature-resistant cloth (26) to be piled below the girder (21), meanwhile, a chain transmission system drives the girder (21) to descend to the height where a workpiece can be removed, a single rail crane rotates by 90 degrees through an indexing device (9) to carry out steel rail two (8), and the two single rail cranes hoist large workpieces along the respective steel rail two (8) and move out from above the girder (21) of the side outlet door (2) to a post-treatment area; this process is ended.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710953999.5A CN107557712B (en) | 2017-10-13 | 2017-10-13 | Zinc plating system and method with end inlet side outlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710953999.5A CN107557712B (en) | 2017-10-13 | 2017-10-13 | Zinc plating system and method with end inlet side outlet |
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| Publication Number | Publication Date |
|---|---|
| CN107557712A CN107557712A (en) | 2018-01-09 |
| CN107557712B true CN107557712B (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710953999.5A Active CN107557712B (en) | 2017-10-13 | 2017-10-13 | Zinc plating system and method with end inlet side outlet |
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|---|---|---|---|---|
| CN113145602A (en) * | 2019-11-27 | 2021-07-23 | 浙江盛达铁塔有限公司 | Galvanized bath is with dust removal petticoat pipe based on walk platform |
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