CN106676466B - A kind of zincizing Processes and apparatus under non-vacuum environment - Google Patents
A kind of zincizing Processes and apparatus under non-vacuum environment Download PDFInfo
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- CN106676466B CN106676466B CN201710130929.XA CN201710130929A CN106676466B CN 106676466 B CN106676466 B CN 106676466B CN 201710130929 A CN201710130929 A CN 201710130929A CN 106676466 B CN106676466 B CN 106676466B
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
- C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
- C23C10/34—Embedding in a powder mixture, i.e. pack cementation
- C23C10/36—Embedding in a powder mixture, i.e. pack cementation only one element being diffused
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Abstract
The present invention relates to the zincizing Processes and apparatus under a kind of non-vacuum environment, the zincizing technique is to carry out zincizing processing to metal works under the gas shield atmosphere of predetermined concentration.This kind of zincizing technique to be not only limited to carry out zincizing processing under enclosed environment, can also carry out zincizing in non-hermetic environments.The zinc penetration equipment includes: open zincizing room, the open workpiece entrance being connected to zincizing space and with zincizing space and the outlet of open workpiece；Protective gas bringing device, for filling protective gas into zincizing space, to form gas shield atmosphere wherein.This kind of zinc penetration equipment allows to carry out zincizing processing under open environment, the continuous industrial production of zincizing may be implemented, production efficiency can be significantly improved, heating, cooling metal works are only needed when due to continuous production, energy consumption can be reduced significantly and reduces discharge.
Description
Technical field
The invention belongs to metal surface chemical treatment and the research and development of metal material DIFFUSION TREATMENT equipment and technology and application technology necks
Domain, specifically, the present invention relates to the zincizing Processes and apparatus under a kind of non-vacuum environment.
Background technique
Zincizing is to obtain the surface protection technique of zinc-iron alloy layer in surface of workpiece with thermal diffusion method, is by zincizing
Agent and metal works etc. are co-located in Sherardizing furnace, and under predetermined technological temperature, zinc atom is internally permeated by surface of workpiece,
Iron atom is then spread from inside to outside simultaneously, whereby, forms one layer of uniform zinc-iron compound, i.e. zincizing on metal works surface layer
Layer realizes cathodic protection to metal works by zinc coat.
Currently, the powder zincizing to surface of workpiece is handled, mainly carried out under closed vacuum environment, specifically
There is following two ways:
First is that metal works, zinc powder and various penetration-assisting agents are packed into Sealing furnace using Sealing furnace " static state " zincizing, enable
Metal works are embedded in compound powder, and after being heated to predetermined technological temperature, held for some time realizes that diffusion type seeps under " static state "
Zinc after zincizing terminates, is come out of the stove after cooling to predetermined temperature.
This kind of zincizing mode needs to break a seal to come out of the stove again after treatment due to carrying out filling out furnace seal operation before zincizing,
Therefore, treatment process can only be by the mode of furnace processing, and each furnace is required to heat up before treatment in addition, and drops after treatment
The whole processing time of temperature, each furnace takes around 6~8 hours, and zincizing processing ineffective time cost is too long, causes at technique
Inefficiency is managed, heating, cooling process wastes a large amount of time, the energy and labour.
Second is that using rotary Sherardizing furnace " dynamic " zincizing.Rotary Sherardizing furnace is mainly by support roller, burner hearth ontology, heating unit
Part, hermetic rotary zincizing tank, Rolling motor composition；When operation, by metal works, zinc powder, various auxiliary agents, inertia impact media
It is fitted into hermetic rotary zincizing tank, then closed zincizing tank lifting is put into burner hearth ontology, and be set up in two sides together
On support roller, the rotation of zincizing tank is driven by Rolling motor, while heating to zincizing tank, handle the predetermined time at a predetermined temperature
Afterwards, heating element is closed, zincizing tank furnace cooling to predetermined temperature is then turned off Rolling motor and hangs out zincizing tank, finally beats
It opens zincizing tank and takes out treated workpiece.When metal works are of large quantities, a large amount of workpiece can also once be dispensed to several zincizings
In tank, it will be handled in several zincizing tanks simultaneously lifting to mesh belt transmission formula Sherardizing furnace, and concentrate and carry out lower tank pickup.
This kind of zincizing mode, by the rolling of zincizing tank, so that mechanical friction is formed between zinc particle and metal works,
To accelerate reacting for zinc atom and surface of workpiece atom, achieve the effect that mechanical auxiliary seeps, still, is rolled revolving speed by zincizing tank
Limited, the kinetic energy of acquisition is small, cannot effectively excite the activation energy of zinc atom, moreover, because needed before zincizing into
Row fills out furnace seal operation, needs to break a seal again after treatment to come out of the stove, and therefore, treatment process still can only be by furnace processing, in addition
Each furnace is required to heat up before treatment, and cools down after treatment, and the whole processing time of each furnace part is small there is still a need for 5~6
When, it is still limited to improve zincizing efficiency effect in such a way that machinery rotation helps infiltration, it is difficult to meet serialization, extensive
The beat requirement of production.
It, can be by addition, though rotary Sherardizing furnace is by the structure that separates hermetic rotary zincizing tank and burner hearth
The rolling of zincizing tank improves zincizing efficiency, still, since the rotary motion of hermetic rotary zincizing tank is so that it can not realize interior
Portion's heating, and can only be the heating element by being set between burner hearth and hermetic rotary zincizing tank, first hermetic rotary is seeped
Zinc can is externally heated, then delivers heat to its internal metal works by zincizing tank again, this is resulted in, heating element spoke
The heat penetrated can consume a part by flue, cannot fast and effeciently conduct to metal works, extend heating metal works institute
The time (while also extending temperature fall time) needed, efficiency is reduced, so that the disposed of in its entirety time of each tank is elongated, meanwhile,
Heating and cooling zincizing tank cause energy waste because adding additional the loss of heat again, and increase dirty to the heat of environment
Dye.
It follows that existing zincizing technology can only divide furnace to handle due to the limitation of equipment and technique, and at single furnace
Reason amount less, the time it is long, with every furnace handle 300~800 kilograms, 6~8 hours every furnace gauges calculate, at most can only also handle 3 tons daily,
Production efficiency is very low, is not able to satisfy the needs of large-scale production, but also is difficult to ensure the homogeneity of product quality, together
When, metal works shove charge, frequent operation of coming out of the stove, labour's consumption is big, moreover, each furnace is required to heating, cooling, it is not only unrestrained
The a large amount of energy is taken, it is also possible to the pollution to environment can be brought, do not meet the environmentally friendly trend of energy-saving and emission-reduction.
Summary of the invention
(1) technical problems to be solved
In order to solve the above problem of the prior art, the present invention provides the zincizing technique under a kind of non-vacuum environment, nothing
Need to carry out zincizing processing under vacuum conditions so that be no longer limited to can only zincizing in a sealed meter environment, can also be in open loop
Zincizing under border can overcome the prior art can only be by the limitation of furnace processing.
The present invention also provides the zinc penetration equipments under a kind of non-vacuum environment, without carrying out at zincizing under vacuum conditions
Reason so that be no longer limited to can only zincizing in a sealed meter environment, can also can overcome the prior art in zincizing under open environment
It can only be by the limitation of furnace processing.
(2) technical solution
In order to achieve the above object, the main technical schemes that the present invention uses include:
A kind of zincizing technique under non-vacuum environment is that (such as inert gas, nitrogen etc. exist in the gas of predetermined concentration
The gas chemically reacted with zinc, iron is not easy under zincizing environment) it protects under atmosphere to metal works progress zincizing processing.
Zincizing technique under the non-vacuum environment of one embodiment of the invention, in which: the gas shield atmosphere of predetermined concentration
It is no more than predetermined value including oxygen concentration.Preferably, oxygen concentration is no more than 7%~10% (volume).
Zincizing technique under the non-vacuum environment of one embodiment of the invention, in which: the gas shield atmosphere of predetermined concentration
It is not less than predetermined value including protective gas concentration.Preferably, protective gas concentration is not less than 90%~93% (volume).
Zincizing technique under the non-vacuum environment of one embodiment of the invention, in which: the gas shield atmosphere of predetermined concentration
It is no more than predetermined value (7%~10% volume) including oxygen concentration and protective gas concentration is not less than predetermined value (90%~93% body
Product).
Zincizing technique under the non-vacuum environment of one embodiment of the invention, in which: the gas shield atmosphere of predetermined concentration
It is to be formed in an enclosure space.
Further, the protective gas pressure in enclosure space is no more than a standard atmospheric pressure.
Further, the air pressure in enclosure space is no more than a standard atmospheric pressure.
Zincizing technique under the non-vacuum environment of one embodiment of the invention, in which: the gas shield atmosphere of predetermined concentration
It is to be formed in an open space.
Further, the gas shield atmosphere of predetermined concentration is formed by the protective gas dynamically flowed.
Further, dynamic flowing includes flowing, flowing in a second direction and/or along third direction stream along first direction
It is dynamic, wherein first direction, second direction and/or third direction are rectilinear direction or non-rectilinear direction.
Zincizing technique under the non-vacuum environment of any of the above-described a embodiment, in which: zincizing processing refers to powder zincizing.
A kind of zinc penetration equipment under non-vacuum environment comprising:
Open zincizing room, the open workpiece entrance being connected to zincizing space and with zincizing space and open
Workpiece outlet；
Protective gas bringing device, for filling protective gas into zincizing space, to form gas shield atmosphere wherein
It encloses.
Zinc penetration equipment under the non-vacuum environment of one embodiment of the invention, in which: protective gas bringing device include into
Mouth protective gas filling section, for filling protective gas into zincizing space from workpiece entrance.
Zinc penetration equipment under the non-vacuum environment of one embodiment of the invention, in which: protective gas bringing device includes
Mouth protective gas filling section, fills protective gas into zincizing space for being exported from workpiece.
Zinc penetration equipment under the non-vacuum environment of one embodiment of the invention, in which: during protective gas bringing device includes
Portion's protective gas filling part, for from filling protective gas into zincizing space between workpiece entrance and workpiece outlet.
Zinc penetration equipment under the non-vacuum environment of one embodiment of the invention, in which: protective gas bringing device includes:
Ingress protection gas filling section, for filling protective gas into zincizing space from workpiece entrance；
Protective gas filling section is exported, fills protective gas into zincizing space for being exported from workpiece；
Middle part protective gas filling part, for from gas is protected in filling into zincizing space between workpiece entrance and workpiece outlet
Body.
Zinc penetration equipment under the non-vacuum environment of one embodiment of the invention, in which: be arranged in open zincizing room aerobic
Gas concentration detection meter and pressure detecting meter.
(3) beneficial effect
The beneficial effects of the present invention are:
Zincizing technique and equipment under non-vacuum environment of the invention, without carrying out zincizing processing under vacuum conditions,
So that be no longer limited to can only zincizing in a sealed meter environment, can also in zincizing under open environment, can overcome the prior art only
Continuous zincizing can may be implemented by the limitation of furnace processing, significantly improve production efficiency, and be not necessarily to every furnace heating, cooling, can begin
The temperature for keeping zincizing space eventually, only need to pass in and out part, and due to only needing to part heating, cooling, energy consumption is significantly reduced,
In addition, continous way production also facilitates ensuring that the homogeneity of part after processing.
Detailed description of the invention
Fig. 1 is the zinc penetration equipment structural block diagram under the non-vacuum environment of one embodiment of the invention；
Fig. 2 is the overall structure diagram of the zinc penetration equipment under the non-vacuum environment of one embodiment of the invention；
Fig. 3 is the ingress protection gas filling section in the zinc penetration equipment under the non-vacuum environment of one embodiment of the invention
Structural schematic diagram；
Fig. 4 is that the ingress protection gas in the zinc penetration equipment under the non-vacuum environment of another embodiment of the present invention fills section
Structural schematic diagram；
Fig. 5 is the structural schematic diagram of the zincizing room in the zinc penetration equipment under the non-vacuum environment of one embodiment of the invention；
Fig. 6 is the zincizing process flow chart under the non-vacuum environment of one embodiment of the invention；
Fig. 7 is the zincizing technique part flow chart under the non-vacuum environment of one embodiment of the invention；
Fig. 8 is the zincizing technique part flow chart under the non-vacuum environment of another embodiment of the present invention.
[description of symbols]
1: access road；
2: entrance negative pressure section；
3: ingress protection gas filling section；
31: protective gas delivery pipe；
32: first entrance；
33: first outlet；
4: pre- thermal center；
5: open zincizing room；
S: zincizing space；S1: accommodating space；
51: impeller head；
52: zinc powder sprinkler；
53: workpiece entrance；
54: workpiece outlet；
6: output heat preservation section；
7: outlet protective gas filling section；
8: outlet negative pressure section；
9: exit passageway；
10: middle part protective gas filling part；
L: chain.
Specific embodiment
In order to preferably explain the present invention, in order to understand, with reference to the accompanying drawing, by specific embodiment, to this hair
It is bright to be described in detail.
Zinc penetration equipment referring to Fig. 1, under the non-vacuum environment of one embodiment of the invention comprising:
Open zincizing room 5, the open workpiece entrance 53 being connected to zincizing space S and with zincizing space S and
Open workpiece outlet 54；
Protective gas bringing device, for filling protective gas into zincizing space S, to form gas shield atmosphere wherein
It encloses.
The gas shield atmosphere of predetermined concentration is formed in zincizing space S by protective gas bringing device, and wherein
Zincizing processing is carried out to metal works.And since zincizing space S can be set to open, workpiece entrance 53 can be passed through
Continuous input metal works after processing, and can may be implemented continuous zincizing, be conducive to by the continuously output of workpiece outlet 54
It realizes industrialization continuous production, efficiency can be significantly improved, simultaneously as zincizing space S is not necessarily to heating, cooling repeatedly, it can be with
The energy-saving and emission-reduction of significant ground.Such as metal works can be continuously conveyed by chain L.
Referring to fig. 2, in one embodiment of the present of invention, protective gas bringing device includes ingress protection gas filling section 3,
For filling protective gas into zincizing space S from workpiece entrance 53.
Whereby, protective gas can be passed through by workpiece entrance 53, then by 54 output of workpiece outlet, so that in zincizing space S
Form the gas shield atmosphere of a flowing.
Wherein, ingress protection gas filling section 3 has a first entrance 32 and a first outlet 33, first outlet
33 connect with the workpiece entrance 53 of open zincizing room 5 and (preferably dock, the openings of sizes of more preferably the two is identical), work
Part can enter zincizing space S through first entrance 32, first outlet 33 and workpiece entrance 53, by protective gas bringing device
Ingress protection gas filling section 3, can extend the passage length at workpiece entrance 53, help to maintain the gas in zincizing space S
The stability of body protection atmosphere.
As shown in figure 3, several gas are arranged between the first entrance 32 and first outlet 33 of ingress protection gas filling section 3
Body delivery port, such as side wall circumferentially 6 or 8 or 18 gas feed ports of section 3 can be filled in ingress protection gas,
Gas feed port is passed through in zincizing space S preferably towards the direction of first outlet 33 convenient for protective gas.
As shown in figure 4, ingress protection gas filling section 3 has expansion segment, gas access is set in expansion segment, convenient for setting
The opening direction of gas access, simultaneously as the internal diameter of expansion segment is larger, so that the protective gas of 33 side of first outlet has
There is biggish volume, is conducive to the stabilization for maintaining gas shield atmosphere in zincizing space S.
Preferably, expansion segment extends to 33 position of first outlet, preferably, its internal diameter is greater than opening for first outlet 33
Mouth size.
In one embodiment of the present of invention, protective gas bringing device includes outlet protective gas filling section 7, for by work
Part outlet 54 fills protective gas into zincizing space S.
Wherein, outlet protective gas filling section 7 can be set to fill section 3 with ingress protection gas above-mentioned symmetrically
Structure butts up against workpiece and exports 54 positions, extends the passage length at workpiece outlet 54, helps to maintain in zincizing space S
The stability of gas shield atmosphere.
In one embodiment of the present of invention, protective gas bringing device includes middle part protective gas filling part 10, for by
Protective gas is filled into zincizing space S between workpiece entrance 53 and workpiece outlet 54.
It whereby, can be by exporting 54 by being passed through protective gas in the middle part of zincizing space S, then by workpiece entrance 53 and workpiece
The mode of protective gas is discharged, forms gas shield atmosphere in zincizing space S.
Preferably, middle part protective gas filling part 10 includes several gas feed ports, it is distributed in the middle part of zincizing space S
Near, it is preferably, circumferential uniformly distributed.For example, one or two can respectively be arranged up and down, or each side it is being arranged 3
~9 or more.
It, further, can workpiece entrance 53 in open zincizing room 5, work in a preferred embodiment of the present invention
Ingress protection gas filling section 3 and outlet protective gas filling section 7 is respectively set in part outlet 54.
When operation, protective gas can be passed through simultaneously by workpiece entrance 53, workpiece outlet 54, it can also two-way after first one
Gas forms gas shield atmosphere in zincizing space S.At this point it is possible to which protective gas is enabled to pass through workpiece entrance 53, workpiece outlet 54
It overflows, had not only kept the stability of protective gas, but also the pressure of protective gas can be properly increased, and can also be arranged in other positions
Protective gas outlet, to form stable gas shield atmosphere.
Further, as shown in Figure 1,54 and middle part can be exported in workpiece entrance 53, the workpiece of open zincizing room 5
Ingress protection gas filling section 3, outlet protective gas filling section 7 and middle part protective gas filling part 10 is respectively set in position.
When operation, it first can be passed through protective gas into zincizing space S from middle part, air therein is discharged, then by work
Part entrance 53, workpiece outlet 54 are passed through protective gas simultaneously, and gas shield atmosphere is formed in zincizing space S.
Other modes can also be used, as being passed through or first (first being led to by workpiece entrance 53 or workpiece outlet 54 two after one simultaneously
Gas, then both ventilate simultaneously) or first three after one (first ventilated by workpiece entrance 53 or workpiece outlet 54, then with medium position three
Ventilate simultaneously) it is passed through the mode of protective gas, gas shield atmosphere is formed in zincizing space S.
Preferably, aforementioned each protective gas delivery port can connect external protective gas by protective gas delivery pipe 31
Source.
Preferably, being not provided with individual protective gas outlet, but protective gas is enabled to export by workpiece entrance 53, workpiece
54 overflow, and can not only keep the stability of protective gas, but also can properly increase the pressure of protective gas, simultaneously, it is possible to reduce
The heat that protective gas is taken away reduces energy consumption.
Preferably, pre- thermal center 4 is additionally provided with, for metal in 33 side of first outlet of ingress protection gas filling section 3
Workpiece is preheated, and the protective gas being discharged by workpiece entrance 53 can preheated section 4 escape into ingress protection gas filling
Section 3.
For example, the both ends open structure with connected pathways can be set into pre- thermal center 4, entrance opposed inlet protects gas
The first outlet 33 of body filling section 3, preheats metal works and protective gas when passing through its connected pathways, then
Into zincizing space S.
In embodiment as shown in Figure 4, it can also be filled in section 3 in ingress protection gas and heating element is set, keep it same
The pre- thermal center of Shi Zuowei uses.
Preferably, 3 inlet porting negative pressure sections 2 of section can also be filled in ingress protection gas, born in entrance negative pressure section 2 in micro-
Pressure condition is evacuated ingress protection gas filling section 3, and air, extra protective gas, the zinc powder overflowed so as to guidance is micro-
Dirt discharge.
For example, the both ends open structure with connected pathways can be set into entrance negative pressure section 2, one end open butt joint enters
The first entrance 32 of mouth protective gas filling section 3.Preferably, its circumferentially arranged several bleeding point in middle part, each bleeding point pass through
Piping connection negative pressure source.
Preferably, the entrance side of outlet protective gas filling section 7 is additionally provided with output heat preservation section 6, outlet side is also set up
There is outlet negative pressure section 8, can be symmetrical arranged with pre- thermal center 4 and entrance negative pressure section 2.
Preferably, access road 1 and exit passageway 9 is also respectively connected in entrance negative pressure section 2 and outlet negative pressure section 8, it can be with
It is further ensured that the stability of gas shield atmosphere.
In a preferred embodiment of the present invention, for the ease of keeping the atmosphere in zincizing space S, workpiece entrance 53
It is set as thin-and-long with workpiece outlet 54, correspondingly, the pre- thermal center 4 successively docked with the two respectively, ingress protection gas are filled
Save 3, entrance negative pressure section 2, and output heat preservation section 6, outlet protective gas filling section 7, outlet negative pressure section 8, the shape of both ends open
Shape is same.
More preferably, workpiece entrance 53 and workpiece outlet 54 are additionally provided with dust-break curtain, are escaped with reducing micronic dust.
In a preferred embodiment of the present invention, in order to guarantee safety, avoid that dust explosion, open zincizing room occurs
Oxygen concentration detection meter is provided in 5.In order to adjust the mode and flow that are passed through protective gas as needed, guarantee that zincizing is empty
Between oxygen concentration in S lower than explosion threshold.
In any of the above-described embodiment, the gas shield atmosphere of following any predetermined concentrations can be set to:
1, the inert gas of 90% volume, surplus are air.
2, the inert gas of 93% volume, surplus are air.
3, the inert gas of 98% volume, surplus are air.
4, the inert gas of 100% volume.
5, the nitrogen of 90% volume, surplus are oxygen.
6, the nitrogen of 93% volume, surplus are oxygen.
7, the nitrogen of 97% volume, surplus are oxygen.
8, the nitrogen of 99% volume, surplus are oxygen.
9, the nitrogen of 100% volume.
10, the inert gas of 20% volume, the nitrogen of 70% volume, surplus are oxygen.
11, the inert gas of 36% volume, the nitrogen of 56% volume, surplus are oxygen.
12, the inert gas of 55% volume, the nitrogen of 36% volume, surplus are oxygen.
13, the inert gas of 95% volume, surplus are oxygen.
14, the inert gas of 90% volume, surplus are oxygen.
15, the inert gas of 93% volume, surplus are oxygen.
Wherein, when protecting atmosphere for dynamic gas, inert gas/nitrogen content is not less than 90%, preferably, 90%
Between~93%, oxygen content is no more than 10%, preferably, being no more than 7%.
Referring to Fig. 5, further, for the ease of continuous production, it is additionally provided with zinc powder sprinkler 52, zinc powder (both may be used
To be pure zinc powder, it is also possible to be mixed with the zinc powder mixture of penetration-assisting agent) it is sprayed to surface of workpiece to continuous uniform.
Wherein, zinc powder bringing device is mounted on zincizing outdoor, and jet exit extends in zincizing room.Such as it can pass through
Side wall, roof and/or bottom wall protrude into zincizing room.Preferably, being set to top.
Wherein, zinc powder bringing device includes hopper, rotary sprinkler.
The hopper of zinc powder bringing device can be welding structure, and shape is funnel-shaped, be set up in by welding shape steel bracket
Zincizing outdoor top surface, funnel lower ending opening are connected with rotary sprinkler, and zincizing chamber interior is protruded into rotary sprinkler lower end,
Thus rotary sprinkler uniformly sprays zinc powder to surface of workpiece when work.
Wherein, the jet exit of zinc powder bringing device is preferably several.Preferably, multiple jet ports are uniformly distributed in zincizing
Above space S.
Wherein, multiple jet exits can correspond to one or more rotary sprinklers.
Wherein, multiple rotary sprinklers can correspond to one or more hoppers.
Further, in order to improve zincizing efficiency, mechanical auxiliary can also be set and seep device, be used for workpiece surface application
Grain hits the workpiece surface for being applied with zinc powder, improves zincizing efficiency using the auxiliary of mechanical energy.
Wherein, mechanical auxiliary, which seeps device, can use impeller head 51.
Wherein, impeller head 51 may be mounted at zincizing outdoor, and the room of the jettisoning outlet and zincizing room of impeller head 51
Wall communicates.
Wherein, impeller head 51 can be one or more.When using multiple, preferably adjacent impeller head 51 is in staggeredly cloth
It sets.In general, the horizontal direction interval between ipsilateral adjacent impeller head 51 is not less than 250mm.
Preferably, 51 interlaced arrangement of impeller head of opposite side.
Wherein, jettisoninging outlet can be set on side wall, roof and/or the bottom wall of zincizing room.
Wherein, impeller head 51 can be using frequency control double-arc spline mechanically into ball impeller head 51.
Wherein, the feeding inlet of impeller head 51 is connected with hopper, and hopper is set to zincizing room top outer, passes through a conveying pipeline
It is fed to the feeding inlet of impeller head 51.
Preferably, the separating and reclaiming device of separation and recovery zinc powder and particle can also be arranged.
Separating and reclaiming device can be set:
Vibrating screen, for mutually separating the zinc powder from zincizing space S with particle；
Zinc powder recovering mechanism, for the zinc powder after separation to be supplied to zinc powder sprinkler 52；With particle recovering mechanism, it is used for
Particle after separation is supplied to impeller head 51.
Whereby, zinc powder and particle can be subjected to recycling and reusing, avoids wasting, it can also be by the zinc powder and particle of recycling
It reuses, reduces material consumption, save the cost.
Wherein, the feeding inlet of vibrating screen can be set to the bottom (discharge port is arranged in the bottom of zincizing room) of zincizing room, connect
The mixture of zinc powder and particle is received, the feeding inlet of zinc powder recovering mechanism corresponds to the zinc powder outlet of vibrating screen, zinc powder recovering mechanism
Discharge port corresponds to the feeding inlet of zinc powder sprinkler 52, and the feeding inlet and discharge port of zinc powder recovering mechanism pass through heatproof zinc powder elevator
Structure connection.
Further, heatproof zinc powder hoisting mechanism is arranged across zincizing room, so that the zinc powder heat preservation of recycling, energy-saving and emission-reduction.
Further, the feeding inlet of particle recovering mechanism corresponds to the particle outlet of vibrating screen, and particle recovering mechanism goes out
Material mouth corresponds to the feeding inlet of impeller head 51, and the feeding inlet and discharge port of particle recovering mechanism pass through the heatproof particle across zincizing room
Hoisting mechanism connection, so that the particle heat-insulating of recycling, energy-saving and emission-reduction.
Wherein, the particle of recycling can be delivered in the hopper of 51 feeding inlet of impeller head by particle recovering mechanism.
It by the separation and recovery of zinc powder and particle, can not only economize on resources, additionally aid realization continuous industrial production.
Fig. 6 is participated in, the present invention also provides the zincizing techniques under a kind of non-vacuum environment, mainly include the following steps:
S1, a gas shield atmosphere is formed；
S3, zincizing processing is carried out under gas shield atmosphere.
Zincizing technique referring to Fig. 7, under the non-vacuum environment of one embodiment of the invention, wherein step S1 includes as follows
Step:
S11, protective gas is inputted in a zincizing space, until protective gas therein reaches predetermined pressure；
S12, closing zincizing space, form closed gas shield atmosphere.
Zincizing technique referring to Fig. 8, under the non-vacuum environment of one embodiment of the invention, wherein step S1 includes as follows
Step:
S11 ', protective gas is inputted in an open zincizing space, until air therein is emptied, until being filled with
Protective gas；
S12 ', the lasting input for keeping protective gas, form dynamic gas shield atmosphere.
Preferably, oxygen content is lower than predetermined value in step S11 ', to avoid powder explosion occurs.
Preferably, in step S11 ', it, will be in zincizing space including being passed through protective gas by the medium position in zincizing space
Air discharge, to form gas shield atmosphere.
Preferably, in step S11 ', including being passed through protection gas by the workpiece entrance and/or workpiece outlet port in zincizing space
Body the air in zincizing space is discharged, to form gas shield atmosphere.
Preferably, extra protective gas is by workpiece entrance and/or workpiece outlet row in zincizing space in step S11 '
Out, to form dynamic gas shield atmosphere.
Wherein, in step S3, metal parts is continuously inputted in the dynamic gas shield atmosphere that is formed into step S12 ',
It is set to carry out zincizing reaction under gas shield atmosphere.Whereby, continuous industrial production may be implemented, efficiency significantly improves.
Preferably, zinc powder is sprayed to surface of workpiece in step S3, in order to realize continuous zincizing, and make workpiece
Zinized surface is uniform.
It further include that particles hit of jettisoninging is applied with the workpiece surface of zinc powder, to improve zincizing effect preferably, in step S3
Rate.
Wherein, further include step S2 before step S3, gas shield atmosphere is heated to zincizing technological temperature.
Preferably, keeping gas shield atmosphere in technological temperature, persistently inputs metal works to be processed and export processing
Metal works afterwards.Whereby, can heating, cooling metal works, realize energy-saving and emission-reduction.
Wherein, the pre-heat treatment also is carried out to metal works before step S3, preferably, heat a part of the pre-heat treatment is come
Self-shield gas is by the heat taken out of in zincizing space.Such as the protective gas pair using the workpiece entrance discharge by zincizing space
Metal works are preheated.
Wherein, cooling processing also is carried out to metal works after step S3, preferably, exporting row by the workpiece in zincizing space
Protective gas out is discharged together with metal works, common to cool down.
In conclusion since zinc penetration equipment of the invention can be formed in zincizing space by protective gas bringing device
The gas shield atmosphere of predetermined concentration, and zincizing processing is carried out to metal works wherein, and this kind of zincizing technique makes not only
It is confined to carry out zincizing processing under enclosed environment, zincizing can also be carried out in non-hermetic environments, it can open
Zincizing processing is carried out under environment, and since zincizing space can continuously input gold by workpiece entrance to be open
Metal work-pieces after processing, and can be carried out continuously by the continuous output in workpiece outlet, i.e. zincizing processing, can be realized zincizing
Continuous industrial production, production efficiency can be significantly improved.Simultaneously as zincizing space is without repeatedly when continuous production
Heating, cooling only needs heating, cooling metal works, can reduce energy consumption significantly and reduce discharge, realize energy conservation
Emission reduction.
Claims (8)
1. the zincizing technique under a kind of non-vacuum environment, characterized in that it comprises:
Zincizing processing is carried out to metal works under the gas shield atmosphere of predetermined concentration；
The gas shield atmosphere of predetermined concentration includes that oxygen volumetric concentration is no more than 7%~10%；And/or
The gas shield atmosphere of predetermined concentration includes protective gas volumetric concentration not less than 90%~93%；The gas of predetermined concentration
Protecting atmosphere is formed in an open space.
2. the zincizing technique under non-vacuum environment as described in claim 1, it is characterised in that:
The gas shield atmosphere of predetermined concentration is formed by the protective gas dynamically flowed.
3. the zincizing technique under non-vacuum environment as claimed in claim 2, it is characterised in that:
Dynamic flowing includes along first direction flowing, flows and/or flow in a second direction along third direction, wherein first party
It is rectilinear direction or non-rectilinear direction to, second direction and/or third direction.
4. the zinc penetration equipment under a kind of non-vacuum environment, characterized in that it comprises:
Open zincizing room, the open workpiece entrance and open workpiece being connected to zincizing space and with zincizing space
Outlet；
Protective gas bringing device, for filling protective gas into zincizing space, to form gas shield atmosphere wherein.
5. the zinc penetration equipment under non-vacuum environment as claimed in claim 4, it is characterised in that: protective gas bringing device includes
Ingress protection gas filling section, for filling protective gas into zincizing space from workpiece entrance.
6. the zinc penetration equipment under non-vacuum environment as claimed in claim 4, it is characterised in that: protective gas bringing device includes
Protective gas filling section is exported, fills protective gas into zincizing space for being exported from workpiece.
7. the zinc penetration equipment under non-vacuum environment as claimed in claim 4, it is characterised in that: protective gas bringing device includes
Middle part protective gas filling part, for from filling protective gas into zincizing space between workpiece entrance and workpiece outlet.
8. the zinc penetration equipment under non-vacuum environment as claimed in claim 4, it is characterised in that:
Oxygen concentration detection meter and pressure detecting meter are provided in open zincizing room.
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| CN201710130929.XA CN106676466B (en) | 2017-03-07 | 2017-03-07 | A kind of zincizing Processes and apparatus under non-vacuum environment |
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| CN106676466B true CN106676466B (en) | 2019-08-13 |
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| CN1133755C (en) * | 2001-02-28 | 2004-01-07 | 山东大学 | Mechanical energy diffusion-assistant technique for modifying metal surface |
| CN101122005A (en) * | 2007-07-23 | 2008-02-13 | 天津大学 | Method for processing fast powder sherardizing surface coat |
| CN101386971A (en) * | 2008-08-26 | 2009-03-18 | 中华人民共和国广东海事局湛江航标处 | Corrosion proof treatment method of anchor chain |
| CN204727939U (en) * | 2015-06-13 | 2015-10-28 | 青海中恒金属材料科技有限公司 | A kind of zincizing device of workpiece |
| CN206692713U (en) * | 2017-03-07 | 2017-12-01 | 中国铁道科学研究院 | A kind of zinc penetration equipment under non-vacuum environment |
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