CN107120961A - Sintering furnace dewaxing device - Google Patents
Sintering furnace dewaxing device Download PDFInfo
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- CN107120961A CN107120961A CN201710424151.3A CN201710424151A CN107120961A CN 107120961 A CN107120961 A CN 107120961A CN 201710424151 A CN201710424151 A CN 201710424151A CN 107120961 A CN107120961 A CN 107120961A
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- Prior art keywords
- dewaxing device
- dewaxing
- forming agent
- cold
- sintering furnace
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/04—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Powder Metallurgy (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a kind of sintering furnace dewaxing device, it includes the first dewaxing device, and the air intake structure between the first dewaxing device and the body of heater of sintering furnace；The cold and hot exchange flow slowing device that unhurried current processing is carried out to gas forming agent is provided with first dewaxing device, cold and hot exchange flow slowing device is set close to the air inlet of the first dewaxing device；The sintering furnace dewaxing device liquefaction effect is good, can more effectively collect the forming agent in product, be further ensured that product quality.
Description
Technical field
The present invention relates to Field of Heat-treatment, and in particular to a kind of sintering furnace dewaxing device.
Background technology
Sintering furnace is a kind of can to provide specified temp and specific environment pressure and the heat-treatment furnace of vacuum to material
Tool, sintering furnace is generally comprised：Vacuum plant, heating and heat-insulating device, process gas device, cooling device（Recirculated water cooling and pressure
Rapid cooling etc.）, control device and dewaxing device, the effect of wherein dewaxing device is to collect the forming agent added in product.In order to
Product is set preferably to be molded, it usually needs to add forming agent in product kind, but forming agent can influence if left in product
The quality of product.Forming agent can be in a kind of vaporized state in the case of a high temperature, and the forming agent of gasification is extracted by vacuum pump group
The motion being oriented, and by dewaxing device, complete the collection and storage of forming agent.In existing dewaxing device, not
Forming agent in product can completely be collected, cause a part of forming agent also to remain on product, significantly impact the matter of product
Amount.
Therefore, Chinese patent literature CN 201620096466.0 discloses a kind of pressure sintering furnace dewaxing device, and its, gas
State forming agent is stored in dewaxing storage box by the first dewaxing transverse tube by primary liquefaction, and after being cooled down through apparatus for supercooling, is remained
Remaining gas phase forming agent is liquefied and finally liquefied with the second dewaxing transverse tube again by dewaxing vertical tube, wherein, the first dewaxing transverse tube, dewaxing
The inner chamber of vertical tube and the second dewaxing transverse tube is filled out provided with Pall ring, and Pall ring is used to increase the contact surface between gas and device
Product, improves the liquefaction efficiency of forming agent gas, so as to complete the collection and storage of forming agent.
But, the pressure sintering furnace dewaxing device described in above-mentioned patent document at least has the following disadvantages：The pressure
The first dewaxing transverse tube, dewaxing vertical tube and the second inner chamber for dewaxing transverse tube of sintering furnace dewaxing device are filled out provided with Pall ring to carry
The high liquefied efficiency of gas phase forming agent, still, only sets the liquefaction effect of Pall ring and bad, production is have impact on to a certain extent
The quality of product.
So, now need to provide that a kind of liquefaction effect is good, can more effectively collect the forming agent in product, be further ensured that product
The sintering furnace dewaxing device of quality.
The content of the invention
It is an object of the invention to provide a kind of effective forming agent collected in product, the new of product quality is further ensured that
Type sintering furnace dewaxing device.
To achieve the above object, the present invention provides a kind of novel sintered stove dewaxing device, wherein, the novel sintered stove dewaxing
Device includes the first dewaxing device, and the air intake structure between first dewaxing device and the body of heater of sintering furnace；Institute
The cold and hot exchange flow slowing device for being provided with the first dewaxing device and unhurried current processing being carried out to gas forming agent is stated, the cold and hot exchange is slow
The air inlet for flowing device close to first dewaxing device is set.
Preferably, the cold and hot flow slowing device that exchanges includes some unhurried current plates, by integral cold of the unhurried current plate series winding
The fluid of heat-exchange tube and circulation in the cold-hot exchanging tube；During dewaxing, cold fluid, institute are passed through in the cold-hot exchanging tube
The temperature for stating cold fluid is less than the condensing temperature of the forming agent；During de-waxing, hot fluid is passed through in the cold-hot exchanging tube, it is described
Solidification temperature of the temperature of hot fluid higher than the forming agent and the gasification temperature less than the forming agent.
Preferably, the cold-hot exchanging tube includes the first pipeline, second pipe and connection institute through the unhurried current plate
State the intermediate conduit of the first pipeline and second pipe；Wherein, first pipeline, the length direction of second pipe and described first
The length direction of dewaxing device is consistent.
Preferably, in addition to the second dewaxing device, wherein, second dewaxing device is vertically arranged and perpendicular to described
One dewaxing device, the inner chamber of second dewaxing device and the inner chamber of first dewaxing device are interconnected.
Preferably, two-way bend pipe structure is additionally provided with the inner chamber of first dewaxing device, the two-way bend pipe structure
Vertical end is connected with the inner chamber of second dewaxing device, and the horizontal ends of the two-way bend pipe structure are by first dewaxing device
Inner chamber one end extend to first dewaxing device air inlet one end end wall；Wherein, the horizontal ends are along described
The length direction of one dewaxing device sets and is located at the top of the air inlet of first dewaxing device.
Preferably, the unhurried current plate is fixedly mounted on the horizontal ends of the two-way bend pipe structure in crescent shape and inner side
Bottom outer wall on.
Preferably, the air intake structure includes the first dewaxing pipe, the second dewaxing pipe and located at dewaxing valve therebetween, its
In, the first dewaxing pipe is connected with the body of heater, and the second dewaxing pipe is connected with the air inlet of first dewaxing device.
Preferably, the first dewaxing pipe and the described second dewaxing pipe it is outer be also arranged have in chuck, the chuck and be provided with
Fluid；During dewaxing, cold fluid is passed through, the temperature of the cold fluid is less than the condensing temperature of the forming agent；During de-waxing, heat is passed through
Fluid, solidification temperature of the temperature higher than the forming agent of the hot fluid and the gasification temperature less than the forming agent.
Preferably, the bottom of first dewaxing device is provided with the de-waxing ball valve for being used for discharging liquid forming agent.
Also include located at the forming agent collection structure between body of heater and first dewaxing device；The forming agent collects knot
Structure includes located at the surge drum between body of heater and first dewaxing device and prevents the liquid condition shaping agent in the surge drum
The anti-condensation fixing structure solidified.
The anti-condensation fixing structure includes the cartridge heater that is set in outside the surge drum and circulated in the cartridge heater
Fluid, wherein, solidification temperature of the temperature higher than the forming agent of the fluid and the gasification temperature less than the forming agent.
Also include filter, it includes parallel with one another located at least two groups between the second dewaxing device and aspiration pump
Filtration, and at least two groups control structures parallel with one another；Wherein, the control structure is used to control the corresponding mistake
Filter structure closed with the logical of the second dewaxing device, the filtration second dewaxing device is discharged in gas into
Type agent is filtered.
The filtration includes the filter cylinder with inner chamber, the air inlet for being molded on the filter cylinder and being connected with the inner chamber
Mouthful, the gas outlet of the lower end of the filter cylinder is molded over, and the filter core being removably mounted in the inner chamber；Wherein, institute
The inner chamber for stating filter core is connected with the gas outlet of the filter cylinder, and the gas of the interior intracavitary of the filter cylinder is entered by the perisporium of the filter core
Enter the gas outlet discharge by the filter cylinder behind the inner chamber of the filter core.
The present invention has the following advantages that part compared to prior art：
The sintering furnace dewaxing device include the first dewaxing device, and located at first dewaxing device and sintering furnace body of heater it
Between air intake structure；The cold and hot exchange unhurried current that the processing that flow slowly to the progress of gas forming agent is provided with first dewaxing device is filled
Put, the cold and hot flow slowing device that exchanges is set close to the air inlet of first dewaxing device；When gas phase forming agent enters
When in one dewaxing device, cold and hot exchange flow slowing device causes gas phase forming agent longer in the first dewaxing device internal stops time,
So that the stop gas phase forming agent in this that is liquefied is more, so as to improve the liquefaction effect of sintering furnace dewaxing device, more effectively
Collection forming agent, further ensure product quality.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the sintering furnace dewaxing device schematic diagram described in embodiments of the invention 1；
Fig. 2 is the sintering furnace dewaxing device partial schematic diagram described in embodiments of the invention 1；
Fig. 3 is the forming agent collection structure schematic diagram figure described in embodiments of the invention 2；
Fig. 4 is the forming agent collection structure partial schematic diagram described in embodiments of the invention 2；
Fig. 5 is the structure chart of the forming agent collection device described in embodiments of the invention 2；
Fig. 6 is the filter schematic diagram suitable for dewaxing systems described in embodiments of the invention 3；
Fig. 7 is the filtration schematic diagram described in embodiments of the invention 3；
Fig. 8 is the filter cylinder schematic diagram described in embodiments of the invention 3；
Description of reference numerals
The dewaxing pipes of 1- first；2- dewaxing valves；The dewaxing pipes of 3- second；The cold and hot exchange flow slowing devices of 4-；The dewaxing devices of 5- first；6-
De-waxing ball valve；The dewaxing devices of 7- second；8- pump groups are evacuated stop valve；9-two-way bend pipe structure；10- unhurried current plates；11- is cold and hot to be handed over
Change pipe；12- chucks；13- air inlets；14- vertical ends；15- horizontal ends；1a- dividing plates；2a- surge drums；3a- cartridge heaters；4a-
One lock-nut；The lock-nuts of 5a- second；6a- screw rods；7a- support bases；8a- collects air inlet；9a- collects gas outlet；
10a- air inlets dewaxing pipe；12a- bodies of heater；14a- otic placodes；15a- outlets；2b- filtrations；3b- control structures；4b- cylinders；
5b- air inlets；6b- gas outlets；7b- filter cores；8b- cover plates；9b- clamp bolts；10b- handles；11b- aspiration pumps；12b- ripples
Pipe；13b- middle screw rods.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
Embodiment 1
Referring to Fig. 1 and Fig. 2, the present embodiment provides a kind of sintering furnace dewaxing device, wherein, the sintering furnace dewaxing device includes first
Dewaxing device 5, and the air intake structure between first dewaxing device and the body of heater of sintering furnace；The first dewaxing dress
The cold and hot exchange flow slowing device 4 for being provided with 5 and unhurried current processing being carried out to gas forming agent is put, the cold and hot heat exchange flow slowing device 4 is leaned on
The air inlet 13 of nearly first dewaxing device 5 is set.
As the present embodiment preferred embodiment, the cold and hot exchange flow slowing device 4 includes some unhurried current plates 10, by institute
State cold-hot exchanging tube 11 and the fluid in the cold-hot exchanging tube 11 that circulates that unhurried current plate 10 is contacted integral；During dewaxing,
Cold fluid is passed through in the cold-hot exchanging tube 11, the temperature of the cold fluid is less than the condensing temperature of the forming agent；During de-waxing,
Hot fluid is passed through in the cold-hot exchanging tube 11, the temperature of the hot fluid is higher than the solidification temperature of the forming agent and less than institute
State the gasification temperature of forming agent.
As the present embodiment preferred embodiment, the cold-hot exchanging tube 11 includes first through the unhurried current plate 10
The intermediate conduit of pipeline, second pipe and connection first pipeline and second pipe；Wherein, first pipeline, second
The length direction of pipeline is consistent with the length direction of first dewaxing device.
As described above, the sintering furnace dewaxing device includes the first dewaxing device 5, and located at first dewaxing device 5
Air intake structure between the body of heater of sintering furnace；It is provided with first dewaxing device 5 and unhurried current processing is carried out to gas forming agent
Cold and hot exchange flow slowing device 4, it is described it is cold and hot exchange flow slowing device 4 set close to the air inlet 13 of first dewaxing device 5；
Because cold and hot exchange flow slowing device 4 is positioned close to the air inlet 13 of first dewaxing device 5, gas phase forming agent enters institute
State after the first dewaxing device 5 in the presence of cold and hot exchange flow slowing device 4, the time rested in the first dewaxing device 5 is prolonged
Long, liquefaction effect is more preferable.
Specifically, during dewaxing, cold fluid is led in cold-hot exchanging tube 11, the temperature of cold fluid is less than the liquefaction temperature of forming agent
Degree, enables to more gas phase forming agent to be liquefied；During de-waxing, hot fluid, the temperature of hot fluid are led in cold-hot exchanging tube 11
Higher than the solidification temperature of forming agent, it can prevent the forming agent after being liquefied from continuing to solidify, it is ensured that liquid condition shaping agent is preferably flowed
Go out, it is to avoid the forming agent after being liquefied is remained in the first dewaxing device 5；To sum up, what the sintering furnace dewaxing device was provided with is cold and hot
Flow slowing device 4 is exchanged so that the stop gas phase forming agent in this that is liquefied is more, so as to improve the liquid of sintering furnace dewaxing device
Change effect, can more effectively collect forming agent, further ensure product quality.
As the present embodiment preferred embodiment, in addition to the second dewaxing device 7, wherein, second dewaxing device 7
It is vertically arranged and perpendicular to first dewaxing device 5, the inner chamber of second dewaxing device 7 and first dewaxing device 5
Inner chamber be interconnected.
Specifically, the outer cover of the second dewaxing device 7 is provided with chuck 12, chuck 12 and is connected with cold fluid, can play cold
But act on, it is preferable that the cold fluid can be cold water, cold oil or cold air, but be not limited only to this, all to realize equal function
Cold fluid the present embodiment protection within the scope of；In addition, the inside of the second dewaxing device 7 is provided with Pall ring, Neng Gouzeng
Contact area greatly between gaseous state forming agent and sintering furnace dewaxing device, plays unhurried current effect, so as to improve the liquefaction of forming agent
Effect.
As the present embodiment preferred embodiment, it is additionally provided with two-way bend pipe knot in the inner chamber of first dewaxing device 5
Structure 9, the vertical end 14 of the two-way bend pipe structure 9 is connected with the inner chamber of second dewaxing device 7, the two-way bend pipe structure
9 horizontal ends 15 are extended to the air inlet 13 1 of first dewaxing device 5 by one end of the inner chamber of first dewaxing device 5
The end wall at end；Wherein, length direction of the horizontal ends 15 along first dewaxing device 5 is set and positioned at the described first dewaxing
The top of the air inlet 13 of device 5.
It is as the present embodiment preferred embodiment, described that unhurried current plate 10 is in crescent shape and inner side is fixedly mounted on described two
In the bottom outer wall of the horizontal ends 15 of logical bend pipe structure 9.
Specifically, two-way bend pipe structure 9 be located at the first dewaxing device 5 air inlet 13 top, can extend gaseous state into
Circulation path of the type agent in the first dewaxing device 5, in addition, the unhurried current of crescent shape fixed on the outer wall of two-way bend pipe structure 9
Plate 10 can increase film-cooled heat, at the same time it can also slow down flow velocity of the gas phase forming agent in the first dewaxing device 5, increase gas
The time that state forming agent is liquefied, further increase the effect that gas phase forming agent is liquefied.
As the present embodiment preferred embodiment, the air intake structure includes the first dewaxing dewaxing pipe 3 of pipe 1, second and
Located at dewaxing valve 2 therebetween, wherein, the first dewaxing pipe 1 is connected with the body of heater, the second dewaxing pipe 3 and institute
The air inlet 13 for stating the first dewaxing device 5 is connected.
As the present embodiment preferred embodiment, the first dewaxing pipe 1 and the second dewaxing pipe 3 are also arranged outside
Have and fluid is provided with chuck 12, the chuck 12；During dewaxing, cold fluid is passed through, the temperature of the cold fluid is less than the shaping
The condensing temperature of agent；During de-waxing, hot fluid is passed through, the temperature of the hot fluid is higher than the solidification temperature of the forming agent and is less than
The gasification temperature of the forming agent.
Preferably, the cold fluid can be cold liquid or cold air, the hot fluid can be hot liquid or hot gas,
Specifically, cold liquid can be cold oil, cold water, and cold air can be cold air, and hot liquid can be deep fat, hot water, and hot gas can
Think hot gas；But this is not limited only to, the model that all cold fluids and hot fluid that can realize equal function are protected in the present embodiment
Within enclosing；During dewaxing, cold fluid is passed through, the temperature of the cold fluid is less than the condensing temperature of the forming agent, gas phase forming agent
By primary liquefaction in the presence of cold fluid；During de-waxing, hot fluid is passed through, the temperature of the hot fluid is higher than the forming agent
Solidification temperature and the gasification temperature for being less than the forming agent, can prevent the forming agent being liquefied from further solidifying.
Preferably, the first dewaxing pipe 1 is higher than dewaxing valve 2, and dewaxing valve 2 is easy in air intake structure higher than the second dewaxing pipe 3
It can be flowed in the first dewaxing device 5 and store by the forming agent after primary liquefaction.
As the present embodiment preferred embodiment, the bottom of first dewaxing device, which is provided with, is used to discharge liquid condition shaping
The de-waxing ball valve 6 of agent.
Specifically, de-waxing ball valve 6 is set to automatic de-waxing ball valve 6, in time and easily can discharge liquid condition shaping agent.
It should be noted that the sintering furnace dewaxing device that the present embodiment technical scheme is provided is when it is implemented, according to processing
The input flow rate size and vacuum pump group of gas, may make occur two kinds of dewaxing shapes of malleation and negative pressure inside dewaxing systems
State, the appearance of two states is relevant with the technique of sintering dewaxing, but as the dewaxing principle of this system with efficiency is.
Embodiment 2
Referring to Fig. 3 and Fig. 4, on the basis of embodiment 1, the present embodiment further a kind of forming agent collection structure, wherein, this into
Type agent collection structure includes the surge drum 2a and air inlet connected with body of heater 12a dewaxing pipe 10a, in addition to prevents the surge drum
The anti-condensation fixing structure that liquid condition shaping agent in 2a solidifies.
As described above, the forming agent collection structure includes the surge drum 2a and air inlet connected with body of heater dewaxing pipe 10a, also
Including the anti-condensation fixing structure for preventing the liquid condition shaping agent in the surge drum 2a from solidifying；During forming agent is collected,
The temperature that gas phase forming agent enters in air inlet dewaxing pipe 10a, the air inlet dewaxing pipe 10a from body of heater is less than the temperature in the body of heater
Degree, due to temperature drop, part gas phase forming agent is flowed into surge drum 2a after being liquefied and stored, and the anti-condensation fixing structure can be with
The temperature in surge drum 2a is kept, prevents the liquid condition shaping agent stored in surge drum 2a from solidifying because temperature reduction is further, from
And make it that the effect for collecting forming agent is more preferable.
As the present embodiment preferred embodiment, the anti-condensation fixing structure includes being set in adding outside the surge drum 2a
Hot cylinder 3a and the fluid circulated in the cartridge heater 3a, wherein, the temperature of the fluid is higher than the solidification of the forming agent
Temperature and the gasification temperature for being less than the forming agent.
Specifically, fluid is located in cartridge heater 3a, and for keeping the temperature in surge drum 2a, the fluid can be temperature
The liquid of solidification temperature higher than the forming agent and the gasification temperature less than the forming agent（Deep fat, hot water）Or
The gas of solidification temperature of the temperature higher than the forming agent and the gasification temperature less than the forming agent（Hot gas）, but the present embodiment
This is not limited to, can realize that the fluid of equal function is among the protection domain of the present embodiment.
As the present embodiment preferred embodiment, the inwall for the cartridge heater 3a being set in outside the surge drum 2a with
Annular U type cavity is formed between the outer wall of the surge drum 2a.
Specifically, annular U type cavity enables to cartridge heater 3a and surge drum 2a contact area to maximize, it is ensured that heating
Fluid in cylinder 3a is fully contacted with surge drum 2a, so as to play optimal heating effect.
As the present embodiment preferred embodiment, it is characterised in that the upper end of the surge drum 2a, which is formed, to be collected into
Gas port 8a and collection gas outlet 9a, the collection air inlet 8a are connected with air inlet dewaxing pipe 10a, under the surge drum 2a
End forms the outlet 15a for discharging liquid forming agent.
As the present embodiment preferred embodiment, also set between collection air inlet 8a and the collection gas outlet 9a
There is at least one piece dividing plate 1a.
Specifically, air inlet dewaxes pipe 10a by collecting in air inlet 8a connection surge drum 2a and body of heater 12a, body of heater 12a
Gas phase forming agent is by air inlet dewaxing pipe 10a under pump group extraction effect, and part gas phase forming agent is flowed into collection after being liquefied
In cylinder 2a, in order to avoid another part prevents gas phase forming agent to be directly over collection gas outlet 9a after entrance surge drum 2a and taken out
Go out, residence time of the influence gas phase forming agent in surge drum 2a sets dividing plate 1a to be received to entering so as to influence collecting effect
Collection cylinder 2a gas phase forming agent is obstructed；Preferably, dividing plate 1a includes the first dividing plate and second partition, and the first dividing plate is set
Between collecting air inlet 8a and collecting gas outlet 9a and close to the position for collecting air inlet 8a, second partition is arranged on collection
Air inlet 8a and collect between the 9a of gas outlet and close to the position for collecting gas outlet 9a, and second partition partly blocks and collects out
Gas port collects gas outlet 9a.
As the present embodiment preferred embodiment, in addition to for the regulation for adjusting the surge drum 2a height knot is supported
Structure.
As the present embodiment preferred embodiment, the regulation supporting construction includes support base 7a, located at the support
Seat 7a on screw rod 6a, on the outer wall of the cartridge heater 3a and with through hole otic placode 14a, the first lock-nut 4a and
Second lock-nut 5a；Wherein, the screw rod 6a sequentially passes through the first lock-nut 4a, the through hole and second lock
Only nut 5a, and its in the case where the first lock-nut 4a, the second lock-nut 5a screw threads coordinate to the surge drum
Highly it is adjusted.
Specifically, the forming agent collection device can be adjusted by adjusting the first lock-nut 4a and the second lock-nut 5a
Height, that is to say, that the forming agent collection device using flexibly, conveniently.
Referring to Fig. 5, the present embodiment provides a kind of forming agent collection device with the forming agent collection structure, and it includes
First dewaxing device 5, forming agent collection structure and between first dewaxing device 5 and the forming agent collection structure
The second dewaxing pipe 1, the forming agent collection structure is set to forming agent as any one of claim 1-8 and collects knot
Structure.
As the present embodiment preferred embodiment, one end of the second dewaxing pipe 1 connects the forming agent and collects knot
The collection gas outlet 9a of structure, the other end of the second dewaxing pipe 1 connects the inlet end of first dewaxing device 5；Wherein, institute
Inlet end is stated higher than the collection gas outlet 9a.
As described above, the forming agent collection device includes the first dewaxing device 5, forming agent collection structure and located at described
The second dewaxing pipe 1 between first dewaxing device and the forming agent collection structure, during forming agent is collected, part gas
State forming agent is liquefied for the first time when by air inlet dewaxing pipe 10a, and the agent of another part gas phase forming is arrived by the second dewaxing pipe 1
Up in the first dewaxing device 5, liquid condition shaping agent is further liquefied as by filtering and cooling in the first dewaxing device 5, by
It is higher than the collection gas outlet 9a of forming agent structure in the inlet end of the first dewaxing device 5, therefore, entered in the first dewaxing device 5
The liquefied forming agent of one step is back in surge drum 2a along the internal face of the second dewaxing pipe 1, and the process of this buffering ensure that
The forming agent collection device can more preferably, more effectively collect forming agent.
Embodiment 3
As shown in Figures 6 and 7, on the basis of above-described embodiment, the present embodiment further provides for a kind of suitable for dewaxing systems
Filter, it is included located at least two groups filtrations parallel with one another between the second dewaxing device 7 and aspiration pump 11b
2b, and at least two groups control structure 3b parallel with one another；Wherein, the control structure 3b is used to control the corresponding filtering
Structure 2b is closed with the logical of the second dewaxing device 7, and the filtration 2b is discharged in gas to second dewaxing device 7
Forming agent filtered.
In the present embodiment, by setting the filtration 2b in the discharge gas of second dewaxing device 7
Filtered, be also mixed with forming agent so as to prevent from entering in the gas in the aspiration pump 11b, it is ensured that the aspiration pump 11b's
Air inlet degree of purity；Meanwhile, provided with the multigroup filtration 2b and control structure 3b, in actual use, pass through institute
State control structure 3b controls use it is multigroup or filtration 2b enters to the discharge gas of second dewaxing device 7 only described in one group
Row filtering, improves the use flexibility ratio and service life of the filter.
In the present embodiment, as preferred embodiment, the filtration 2b and the control structure 3b are set to
Two groups；The control structure 3b is included located at the pneumatic ball valve between second dewaxing device 7 and the filtration 2b.I.e.
Corresponding connection or disconnection between the filtration 2b and second dewaxing device 7 is controlled by the pneumatic ball valve,
When only needing to a filtration 2b and being filtered, a pneumatic ball valve is closed in selection and to open another pneumatic
Ball valve, when needing two filtration 2b to be filtered, starts simultaneously at two pneumatic ball valves.
Specifically, as shown in FIG. 7 and 8, the filtration 2b includes the filter cylinder with inner chamber, is molded on the filter cylinder
And the air inlet 5b connected with the inner chamber, it is molded over the gas outlet 6b of the lower end of the filter cylinder, and detachable installation
Filter core 7b in the inner chamber；Wherein, the inner chamber of the filter core 7b is connected with the gas outlet 6b of the filter cylinder, the filter cylinder
The gas of interior intracavitary is arranged after entering the inner chamber of the filter core 7b by the perisporium of the filter core 7b by the gas outlet 6b of the filter cylinder
Go out.
Further, the filter core 7b passes through the middle screw rod 13b and the fixing nut that are fixed in the inner chamber of the filter cylinder
It is detachably arranged in the filter cylinder.
In the present embodiment, the discharge gas of second dewaxing device 7 after the pneumatic ball valve by the air inlet
Mouth 5b enters in the inner chamber of the filter cylinder, and the inner chamber of the filter core 7b is then entered by the inner chamber of the filter cylinder, now, discharges gas
Forming agent in body is filtered out by the filter core 7b, and the gas in the inner chamber of the filter core 7b is the clean gas after filtering, so
Enter after being discharged by the gas outlet 6b in the aspiration pump 11b, hence into subsequent treatment process.
Further, bellows 12b is additionally provided between the filtration 2b and the aspiration pump 11b, so as to prevent described
Vibrations during aspiration pump 11b work are transferred to the filtration 2b and influence the sealing property at each link position.Wherein,
It is preferred that the aspiration pump 11b is lobe pump.
As shown in figure 8, the filter cylinder includes cylinder 4b, the cover plate 8b located at the cylinder 4b upper ends, by the cover plate 8b
The fixed structure being detachably fixed with the cylinder 4b.Specifically, the fixed structure is molded over the cylinder including at least two
The first neck in body 4b upper end flange, at least two are molded over the second neck on the cover plate 8b, and at least two
The clamp bolt 9b engaged is corresponded with first neck, second neck.In the present embodiment, the cover plate 8b with
To be detachably connected between the cylinder 4b, and the filter core 7b is detachably arranged in the cylinder 4b.
Meanwhile, for the ease of the dismounting of the cover plate 8b, the cover plate 8b, which is provided with, is easy to portable handle 10b.
Above-mentioned embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.For
For those of ordinary skill in the art, other various forms of changes or change can also be made on the basis of the above description
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change or change thus extended out
Among moving still in the protection domain of the invention.
Claims (10)
1. sintering furnace dewaxing device, it includes the first dewaxing device（5）, and located at first dewaxing device（5）With sintering
Air intake structure between the body of heater of stove；Characterized in that, first dewaxing device（5）Interior be provided with is delayed to gas forming agent
The cold and hot exchange flow slowing device of stream process（4）, the cold and hot exchange flow slowing device（4）Close to first dewaxing device（5）'s
Air inlet（13）Set.
2. sintering furnace dewaxing device according to claim 1, it is characterised in that the cold and hot exchange flow slowing device（4）Bag
Include some unhurried current plates（10）, by the unhurried current plate（10）The integral cold-hot exchanging tube of series winding（11）And circulate described cold and hot
Exchange pipe（11）In fluid；During dewaxing, the cold-hot exchanging tube（11）In be passed through cold fluid, the temperature of the cold fluid is less than
The condensing temperature of the forming agent；During de-waxing, the cold-hot exchanging tube（11）In be passed through hot fluid, the temperature of the hot fluid is high
Solidification temperature in the forming agent and the gasification temperature less than the forming agent.
3. sintering furnace dewaxing device according to claim 2, it is characterised in that the cold-hot exchanging tube（11）Including through
The unhurried current plate（10）The first pipeline, the intermediate conduit of second pipe and connection first pipeline and second pipe；Its
In, first pipeline, the length direction of second pipe are consistent with the length direction of first dewaxing device.
4. sintering furnace dewaxing device according to claim 1, it is characterised in that also including the second dewaxing device（7）, its
In, second dewaxing device（7）It is vertically arranged and perpendicular to first dewaxing device（5）, second dewaxing device（7）
Inner chamber and first dewaxing device（5）Inner chamber be interconnected.
5. sintering furnace dewaxing device according to claim 3, it is characterised in that first dewaxing device（5）Inner chamber
In be additionally provided with two-way bend pipe structure（9）, the two-way bend pipe structure（9）Vertical end（14）With second dewaxing device（7）
Inner chamber connection, the two-way bend pipe structure（9）Horizontal ends（15）By first dewaxing device（5）One end of inner chamber prolong
Extend first dewaxing device（5）Air inlet（13）The end wall of one end；Wherein, the horizontal ends（15）It is de- along described first
Wax apparatus（5）Length direction set and positioned at first dewaxing device（5）Air inlet（13）Top.
6. sintering furnace dewaxing device according to claim 2, it is characterised in that the unhurried current plate（10）In crescent shape and interior
Side is fixedly mounted on the two-way bend pipe structure（9）The horizontal ends（15）Bottom outer wall on.
7. sintering furnace dewaxing device according to claim 1, it is characterised in that also including located at body of heater（12a）With it is described
First dewaxing device（5）Between forming agent collection structure；The forming agent collection structure includes being located at body of heater（12a）With it is described
First dewaxing device（5）Between surge drum（2a）And prevent the surge drum（2a）What interior liquid condition shaping agent solidified
Anti-condensation fixing structure.
8. sintering furnace dewaxing device according to claim 7, it is characterised in that the anti-condensation fixing structure includes being set in institute
State surge drum（2a）Outer cartridge heater（3a）And in the cartridge heater（3a）The fluid of interior circulation, wherein, the temperature of the fluid
Solidification temperature of the degree higher than the forming agent and the gasification temperature less than the forming agent.
9. sintering furnace dewaxing device according to claim 1, it is characterised in that also including filter, it includes being located at
Second dewaxing device（7）With aspiration pump（11b）Between at least two groups filtrations parallel with one another（2b）, and at least two groups
Control structure parallel with one another（3b）；Wherein, the control structure（3b）For controlling the corresponding filtration（2b）With
Second dewaxing device（7）It is logical close, the filtration（2b）To second dewaxing device（7）In discharged gas
Forming agent is filtered.
10. sintering furnace dewaxing device according to claim 1, it is characterised in that the filtration（2b）Including with
The filter cylinder of inner chamber, the air inlet for being molded on the filter cylinder and being connected with the inner chamber（5b）, it is molded over the lower end of the filter cylinder
The gas outlet of end（6b）, and the filter core being removably mounted in the inner chamber（7b）；Wherein, the filter core（7b）Inner chamber
With the gas outlet of the filter cylinder（6b）Connection, the gas of the interior intracavitary of the filter cylinder passes through the filter core（7b）Perisporium enter institute
State filter core（7b）Inner chamber after by the gas outlet of the filter cylinder（6b）Discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710424151.3A CN107120961B (en) | 2017-06-07 | 2017-06-07 | Dewaxing device for sintering furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710424151.3A CN107120961B (en) | 2017-06-07 | 2017-06-07 | Dewaxing device for sintering furnace |
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| CN107120961B CN107120961B (en) | 2023-07-21 |
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| CN201710424151.3A Active CN107120961B (en) | 2017-06-07 | 2017-06-07 | Dewaxing device for sintering furnace |
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Cited By (5)
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| CN108705082A (en) * | 2018-05-31 | 2018-10-26 | 遵义中铂硬质合金有限责任公司 | Binder removing means |
| CN108941551A (en) * | 2018-05-28 | 2018-12-07 | 遵义中铂硬质合金有限责任公司 | Dewax pre-burning stove |
| CN112556405A (en) * | 2020-12-14 | 2021-03-26 | 株洲瑞德尔冶金设备制造有限公司 | Sintering furnace dewaxing structure and sintering furnace |
| CN113587649A (en) * | 2021-07-29 | 2021-11-02 | 株洲瑞德尔冶金设备制造有限公司 | Dewaxing device of sintering furnace |
| CN114705047A (en) * | 2022-04-02 | 2022-07-05 | 株洲瑞德尔智能装备有限公司 | Dewaxing device for sintering furnace |
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| CN114705047A (en) * | 2022-04-02 | 2022-07-05 | 株洲瑞德尔智能装备有限公司 | Dewaxing device for sintering furnace |
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|---|---|
| CN107120961B (en) | 2023-07-21 |
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