CN201165545Y

CN201165545Y - Hot dip galvanizing smoke prevention and dust control heat insulation apparatus

Info

Publication number: CN201165545Y
Application number: CNU2008200712434U
Authority: CN
Inventors: 崔茂春
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-10
Filing date: 2008-01-10
Publication date: 2008-12-17
Anticipated expiration: 2018-01-10

Abstract

The utility model relates to a hot galvanizing smoke abatement, dust removal and heat preservation device, which belongs to the metallurgy technology field. The hot galvanizing smoke abatement, dust removal and heat preservation device is used for closing a boiler mouth when a plating product is immerged into the liquid zinc, preventing the liquid zinc from splashing outward and simultaneously extracting the harmful fume generated in the boiler instantly. The hot galvanizing smoke abatement, dust removal and heat preservation device is composed of a plurality of cover board vehicles for closing the boiler mouth, an air exhaust pipeline, a cover board vehicle driving mechanism, an electric control device and a supporting frame, wherein a plurality of groups of the cover board vehicles are oppositely arranged at the both sides of the boiler mouth, the cover board vehicles are supported by a supporting wheel installed on the frame, a wind extracting opening on a zinc boiler beneath the cover board is connected at the front end of the air exhaust pipeline, a blower fan is installed in the middle of the pipeline, and the smoke abatement and dust removal device is connected at the back end of the pipeline. The hot galvanizing smoke abatement, dust removal and heat preservation device has the advantages that when the plating product is close to the liquid surface, the boiler mouth is closed, the air exhaust blower fan is started up, the splashing liquid zinc is prevented in the boiler, thus the outward diffusion of the harmful fume is avoided, the heat dissipation of the zinc boiler is reduced, and difficult problems of serious pollution and high energy consumption existing in the galvanizing production are thoroughly solved under the circumstance that the technological process is not affected.

Description

Pot galvanize smoke prevention and dust control heat-preserving equipment

Technical field

The utility model belongs to metallurgical technology field, is specifically related to environmental protection, reduction of discharging, the consumption reduction equipment of pot galvanize

Background technology

China and even countries in the world are generally used the solvent method galvanizing now, and plating piece needs carry out with the overhead traveling crane suspention when dropping into and shifting out the zinc pot, and it is shorter to add that the time is soaked in plating, plating piece is frequent into and out of pot, so opening pot mouthful immersion plating is a kind of common method, but extremely harmful to environment.The one evil is: when plating piece immerses zinc liquid, can produce harmful flue dust and gases such as a large amount of zinc chloride, hydrogenchloride, ammonium chloride, open zinc pot is let alone diffusion, severe contamination surrounding enviroment.Its two evil is: when plating piece immerses zinc liquid, produce reasons such as a large amount of steam owing to moment, " blowing out " phenomenon often takes place, cause zinc liquid to splash, scald producers, seriously destroy the production environment in the workshop, the zinc that sputters is difficult to cleaning especially and reclaims, cause the waste of zinc, improved production cost.Its three disasters are: the uncovered operation of zinc pot, and cause zinc liquid outside pot, to distribute a large amount of heats constantly up to 450 degree, have to continue to replenish heat energy for the immersion plating temperature that keeps zinc liquid, cause the waste of the energy.The discharging of this heat also is one of misfortune source of global greenhouse effect.

Along with the high speed development of China's economy, technology, galvanizing production demand surge is promoting zinc-plated enterprise and is strengthening increasing of output and zinc-plated number of the enterprise, and the high energy consumption of zinc-plated industry is particularly to the high pollution situation of environment very outstanding.

In order in zinc-plated production process, to administer harmful flue dust, a cross air blow that once occurred before this at the pot mouth is that " pressure-vaccum method " collects flue dust in the method for opposite side air draught, but because the zinc pot is uncovered, the smog that moment produces and the quick ascension of steam, the flue dust that can be collected only is a small part, the airflow of pressure-vaccum formation for a long time on the zinc liquid level can quicken the oxidation of zinc and scattering and disappearing in a large number of zinc liquid heat simultaneously.In addition, the interior heat of pot scattered and disappeared when the pot galvanize producer that has produced intermittently for reducing, on iron plate, adhere to common lagging material as the insulation cover plate, hang on the pot mouth, owing to be on the pot mouth, to move about with crane, inconvenience is indiscriminately ad. as one wishes used therefore rare use the production process of throwing in and hanging out plating piece continually from the pot mouth.

Summary of the invention

The purpose of this utility model provides a cover pot galvanize smoke prevention and dust control heat-preserving equipment, be used for sealing pot mouth when plating piece is about to immerse zinc liquid, stop outwards splashing of zinc liquid, block the diffusion of flue dust simultaneously, harmful flue dust of in time all taking pot interior instantaneous generation away carries out environmental protection treatment, the heat that more effectively reduces the zinc pot scatters and disappears, and solves the heavily contaminated that exists in the galvanizing production process, the problem of high energy consumption.

The utility model is made up of blower fan, drive-motor, electric control system and support frame in pot velar plate, cover plate car, exhaust duct, the exhaust duct.Many groups are oppositely arranged cover plate in pot mouth both sides, cover plate car and cover plate support by being installed in the framework upper carrying wheel, adorn two below cover plate car and the cover plate and carry wheel track on the back, the parallel wheel track of carrying on the back is installed tooth bar on the cover plate car, tooth bar and the toothing that is installed on the fixed frame, gear is by the servomotor or common electric machine or the hydraulic power mechanism driving that are fixed on the framework, perhaps gear is installed in cover plate car lower end, tooth bar is installed on the fixed framework, by taking turns the supporting cover wooden handcart with tooth bar meshed gears removable cover wooden handcart and alternative carrying on the back.The air suction inlet of pump drainage airduct road front end being connected on the frame between cover plate car bearing surface and pot mouthful,, blower fan is installed at pipeline middle part, and the air door baffle plate is installed between air suction inlet and the blower fan, and rear end of pipeline connects device for eliminating smoke and dust.Above scheme is a general planning of the present utility model.

Be to realize automatization control, service platform pedal incision position is installed photo-sensor above the pot mouth, and sensor signal inserts microcomputer, through the MICROCOMPUTER PROCESSING actuation means of connection cover wooden handcart, blower fan, air door baffle plate again.

For the heat insulation effect that improves cover plate with stop the zinc that splashes, in the work-ing life of prolong insulation material, the cleaning and the recovery of the zinc of being convenient to splash reduce cost.Of the present utility model further improving is that the one side of cover plate in the pot mouth is equipped with insulation material layer and not sticking zinc protector successively.

Separate the cover plate car body for ease of cover plate and carry out routine maintenance, cover plate car and cover plate are separated into two bodies, use between two bodies to connect batten and be connected lock to connect, and concavo-convex pins engages is arranged.

For when not needing blower fan work, taking out closed exhaust duct, be provided with the air door baffle plate in the pipeline between air suction inlet and blower fan.

This equipment can be program control automatically, also can switch to manual control at any time flexibly.

Under the bigger situation of pot mouth width, the cover plate car can be designed to the structure of two superimposed, to shorten the integral width and the journey time of cover plate.

The beneficial effects of the utility model are: the history that the pot mouth is produced is opened wide in the hot dip process that is through with.When plating piece closed on liquid level, cover plate was opened when plating piece immerses zinc liquid and is sealed up a door baffle plate and start blower fan with the sealing of pot mouth, and the zinc liquid tegmentum plate that splashes is blocked in the pot, has eliminated the waste of potential safety hazard and Zinc material.The harmful smoke that has prevented to excite in the zinc pot is to external diffusion.The operation correspondence of pump drainage wind mechanism flue dust produce and the time that continues, the exhausting time is short, and kettle temperature is not produced obvious influence.During the work of pump drainage wind apparatus, pot inner pressure is lower than outside the pot, and obnoxious flavour does not have effusion.The most of the time is to carry out under the situation that the insulation cover plate is closed in the production, and scattering and disappearing of heat can reduce significantly, reduces production costs.The utility model is applicable to that all size zinc pot installs and uses.This equipment runs on the input of plating piece, and immersion plating, discharging cooperate synchronously to be carried out, easy operation control, can manual operation and program control automatically between switch mutually.Under the situation that does not influence production efficiency and technical process, the heavily contaminated of zinc-plated production existence, the hard nut to crack of high energy consumption have thoroughly been solved.

Description of drawings

Fig. 1 is the one-piece construction synoptic diagram.

Fig. 2 is split type cover plate car vertical view.

Fig. 3 looks part sectioned view for split type cover plate car owner.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

Consult Fig. 1, in 13 pots in zinc pot framework is set more than the mouth and forms cover plate car walking surface 12 and workman's service platform pedal 14.Determine the number of every side cover wooden handcart according to the width of the length of zinc pot and selected cover plate car.Pot mouthful both sides vertical pot oral-lateral limit symmetry is installed and is carried wheel 6 on the back on cover plate car walking surface, and each cover plate car two row is carried wheel on the back.Consult Fig. 1, Fig. 2, Fig. 3, each cover plate bassinet structure is identical, divides two groups to be oppositely arranged on pot mouthful both sides.The cover plate car is made up of for 2 two sections cover plate part 1 and running gear, and two sections connect into integral body by the web plate 20 of cover plate car upper surface and the butt joint pin 22 of web plate pin 21 and car body bottom.Cover plate car upper surface stationary rack 4, tooth bar 4 and gear 3 engagements that are fixed on the framework, gear 3 is driven by servomotor 5.Cover plate car bottom surface is fixedly carried wheel track 23 on the back, and the corresponding pot of cover plate car notch portion is installed insulation material layer 18, and the lagging material laminar surface coats not sticking zinc protector 19.The cover plate car is placed on the walking surface 12 through carrying wheel on the back by track 23.In using the Double layer lid wooden handcart, the support of cover plate of upper layer car carry on the back wheel be installed in lower floor's cover plate car above.

Consult Fig. 1, reserve the air suction inlet on the upwardly extending framework of zinc pot mouth, the framework between the adjacent air suction inlet seals with steel plate.Dress resistance zinc net 11 on the air suction inlet.The front end that connects pump drainage airduct road 10 is fixed on the air suction inlet, and pump drainage blower fan 8 is installed at middle part, pump drainage airduct road, establishes air door baffle plate 9 between pump drainage blower fan and the air suction inlet.The rear end, air channel connects sack cleaner 7.

Consult Fig. 1, the incision position of the service platform pedal 14 above the pot mouth is installed photo-sensor 15, the signal conductor Access Control circuit of transmitter.

Working process of the present utility model is: overhead traveling crane lifting rope 17 is controlled at zinc pot longitudinal center line position and at the uniform velocity lifting.When the position of plating piece that overhead traveling crane hangs 16 between photo-sensor 15 probe, the photoelectric sensor perceptual signal also sends instruction, start servomotor, gear rotates, the cover plate car moves, finished relative closing movement before plating piece 16 continues to descend immersion zinc liquid, the air door baffle plate 9 in the pump drainage air channel is opened fan starting simultaneously.Plating piece continue to descend, and immerses zinc liquid, and the flue dust that excites enters sack cleaner 7 udst separations through the air channel, and the zinc liquid that splashes stops through cover plate and falls into liquid pool again.Finish zinc-plated after, the blower fan stall, gear counter-rotating, cover plate retreats, and opens wide pot mouthful, suspension hook rises, and proposes plating piece in pot.

Claims

1, pot galvanize smoke prevention and dust control heat-preserving equipment, it is characterized in that: by the pot velar plate, the cover plate car, exhaust duct, blower fan in the exhaust duct, drive-motor, electric control system and support frame are formed, many groups are oppositely arranged cover plate in pot mouth both sides, cover plate car and cover plate support by being installed in the framework upper carrying wheel, adorn two below cover plate car and the cover plate and carry wheel track on the back, the parallel wheel track of carrying on the back is installed tooth bar on the cover plate car, tooth bar and the toothing that is installed on the fixed frame, gear is by the servomotor or common electric machine or the hydraulic power mechanism driving that are fixed on the framework, perhaps gear is installed in cover plate car lower end, tooth bar is installed on the fixed framework, by taking turns the supporting cover wooden handcart with tooth bar meshed gears removable cover wooden handcart and alternative carrying on the back, the air suction inlet of pump drainage airduct road front end cover plate car bearing surface with the pot mouthful between be connected on the frame, blower fan is installed at the pipeline middle part, the air door baffle plate is installed between air suction inlet and the blower fan, and rear end of pipeline connects device for eliminating smoke and dust.

2, pot galvanize smoke prevention and dust control heat-preserving equipment according to claim 1, it is characterized in that: service platform pedal incision position is installed photo-sensor above the pot mouth, sensor signal inserts microcomputer, through the MICROCOMPUTER PROCESSING actuation means of connection cover wooden handcart, blower fan, air door baffle plate again.

3, pot galvanize smoke prevention and dust control heat-preserving equipment according to claim 1 is characterized in that: the one side of cover plate in the pot mouth is equipped with insulation material layer and not sticking zinc protector successively.

4, pot galvanize smoke prevention and dust control heat-preserving equipment according to claim 1, it is characterized in that: cover plate car and cover plate are separated into two bodies, use between two bodies to connect batten and be connected lock to connect, and concavo-convex pins engages is arranged.

5, pot galvanize smoke prevention and dust control heat-preserving equipment according to claim 1 is characterized in that: establish the air door baffle plate between pump drainage airduct road inner blower and the air suction inlet.