CN207540348U - A kind of full-automatic tunnel nitride stove - Google Patents
A kind of full-automatic tunnel nitride stove Download PDFInfo
- Publication number
- CN207540348U CN207540348U CN201721641828.0U CN201721641828U CN207540348U CN 207540348 U CN207540348 U CN 207540348U CN 201721641828 U CN201721641828 U CN 201721641828U CN 207540348 U CN207540348 U CN 207540348U
- Authority
- CN
- China
- Prior art keywords
- area
- full
- zone
- furnace
- transfer chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Tunnel Furnaces (AREA)
Abstract
A kind of full-automatic tunnel nitride stove, including aerobic loading area, feed zone, furnace body and discharge zone, each area is in turn connected to form rectangular loop structure, each area is mutual indepedent, wherein, the feed zone, furnace body and discharge zone are seal cavity structure, and the aerobic loading area is extension orbital platform；Track is laid in each area, and corner is equipped with hydraulic push rod mechanism, each hydraulic push rod mechanism is connect with hydraulic station system, available for material is promoted to be moved in stove automatically.The unique loop configuration layout of the utility model continuous tunnel furnace realizes the Full automatic sealing cycle of material in a manner of as compact as possible, it can carry out the production process to move in circles of endfeed one end discharging, realize the nitridation process of batch, using hydraulic drive, whole process is all controlled by computer, does not need to artificial interference, realize worked continuously by automation, material stable and reliable operation, security performance is high, and labor intensity is low.
Description
Technical field
The present invention relates to calcination equipment technical field, especially a kind of full-automatic tunnel nitride stove.
Background technology
Certain rare earth materials, silicon nitride product, other carbonaceous articles, carbide, nitride material need in vacuum or
1600-2000 DEG C of high temperature sintering is carried out in person's anaerobic protective atmosphere.The existing high temperature nitrogen that can reach 2000 DEG C of sintering temperatures
Change stove and there was only batch sintering furnace, in sintering process, need furnace temperature rising to required temperature from room temperature, after heat preservation then, break
Product is taken out after electric Temperature fall to room temperature.The a large amount of electric power of product consuming and time are taken out from being warming up to.And in the market at present
Existing continuous tunnel stove uses Si-Mo rod, and as heater, sintering temperature is generally below 1600 DEG C, is unable to reach higher burning
Junction temperature；And these continuous tunnel stove integral sealings are bad, and furnace air is not easy expulsion totally, and furnace atmosphere is uneven, system
Product nitridation is insufficient.
Existing tunnel stove uses straight line, i.e.,：Preheating section, bringing-up section, temperature descending section and cooling section linearly arrange,
Advantage is that structure is relatively easy, and shortcoming is that equipment is longer, can occupy larger space.Since the inner cavity of bringing-up section and cooling section is passed through
Logical, heat conducts the cooling effect that can influence material, and causes the loss of energy.
Invention content
In view of above analysis, to solve the above-mentioned problems, it is complete that the present invention proposes a kind of unique superhigh temperature of topology layout
Automatic nitridation continuous tunnel stove, overcomes existing agglomerating plant high-temperature nitriding furnace sintering temperature to be generally below 1600 DEG C, entire stove
Body sealing is bad, and furnace air is not easy the problem of expulsion is clean, and furnace atmosphere is uneven, and product nitridation is insufficient, and realizes
It works continuously.
The purpose of the present invention is mainly achieved through the following technical solutions：
A kind of full-automatic tunnel nitride stove, including aerobic loading area, feed zone, furnace body and discharge zone, each area is sequentially connected
Rectangular loop structure is formed, each area is mutual indepedent, wherein, the feed zone, furnace body and discharge zone are seal cavity structure, described
Aerobic loading area is extension orbital platform；Track is laid in each area, and corner is equipped with hydraulic push rod mechanism, each liquid
Pressure transfer bar mechanism is connect with hydraulic station system, available for material is promoted to be moved in stove automatically.
Unique loop configuration layout solves that existing tunnel furnace apparatus is longer, and occupied space is big, and energy loss is big to ask
Topic, realized in a manner of as compact as possible material Full automatic sealing cycle, it can be achieved that material in stove being quickly cooled down and
Individually disengaging, and it is small, furnace atmosphere is uniform, can work continuously.
The present invention can realize the production process to move in circles of endfeed one end discharging, realize the nitridation of batch
Process, using hydraulic drive, whole process is all controlled by computer, does not need to artificial interference, realizes worked continuously by automation,
And material stable and reliable operation, security performance is high, and labor intensity is low.
Further, transfer chamber is further included, independent loading line, gas exhaust piping and vacuum tube are equipped in the transfer chamber
Road, material can independently replace atmosphere in transfer chamber；The transfer chamber entrance is equipped with vacuum tightness slide valve.
Further, one transfer chamber is set respectively in feed zone entrance and discharge zone outlet.
The transfer chamber with vacuum tightness slide valve is provided in entry/exit material mouth, air can be prevent completely to enter tunnel
In stove, while this transfer chamber has the function that single workpiece independently replaces atmosphere, it is ensured that air during continuous entry/exit material at high temperature
It will not enter in stove, achieve the effect that at high temperature fully to nitrogenize product.The function of transfer chamber not only can effectively every
Exhausted air, and the continuous and automatic of material will not be interfered to run.Heat-insulated slide valve can reduce furnace heat and leak, reinforcer
The cooling effect of material, reduces energy consumption.
Further, cooling area and cooling zone are equipped in the furnace body；The cooling area and cooling zone are at right angles arranged；Institute
Cooling zone is stated as right-angle structure cooling cabin；Entire bottom of furnace body is laid with thermal insulation material.
Using straight line, and the inner cavity of bringing-up section and cooling section penetrates through, heat conduction can influence existing tunnel stove
The cooling effect of material, and cause the loss of energy.The cooling area of continuous tunnel furnace of the present invention is at right angles connect with cooling zone, among it
Equipped with heat-insulated slide valve, device length can either be reduced in this way and effectively blocks heat conduction, while cooling cabin is at right angles tied
Structure provides further relative savings of the size in plant width direction.
Further, the furnace body is additionally provided with preheating zone and high-temperature heating area, the preheating zone and cooling area burner hearth surrounding
Hanging is provided with thermal insulation material, and do not install heater element；High-temperature heating is equipped with heater element in area, and the heater element is
Graphite heater.
The sintering temperature that can make nitridation continuous tunnel stove using graphite heater reaches 2000 DEG C so that the type of furnace is applicable in
In the nitridation sintered of a variety of materials.
Further, floating support track is equipped in furnace body, the track includes multiple guide rails and several pillars, the branch
Column is inserted into guide rail from bottom, is used to support guide rail；There are expansion joints between each guide rail and along the pillar with rail attachment point.
Track in furnace body takes floating support structure, and the theory of floating support refers to that the supporter of track is subjected only to track
Vertical gravity, will not constraint tracks generated due to temperature change flexible, interorbital reserves rational expansion joint, and interorbital stays
There is appropriate gap, it is ensured that the thermal expansion surplus under high temperature.Each guide rail seam crossing in the present invention and it is inserted into rail portion along pillar
Point circumferencial direction there are gap, and interorbital interface concave-convex surface takes plug-in type to splice, it can be ensured that overall track
Quality of connection, the actual size in gap will determine according to factors such as maximum temperature, the material of track, the structures in stove.
Further, the hand behaviour to feed for anaerobic is additionally provided between the transfer chamber of the feed zone and heat-insulated slide valve
Case is equipped with vacuum tightness slide valve between hand behaviour's case tail end and heat-insulated slide valve.
Hand behaviour's case with furnace body is connected, increases the function of anaerobic charging.Hand grasp case tail end and heat-insulated slide valve it
Between vacuum tightness slide valve, influence of the charging link to atmosphere in furnace body can be avoided.
Further, including ten hydraulic push rod mechanisms.
Further, the docking end face in each area of the continuous tunnel furnace is welded with flange, and the end face of the flange is machined with sealing
Slot is filled with rubber bar during docking in the seal groove.
The combination of flange and rubber bar can make stove integrally have good sealing performance, reduce leaking for heat, carry
The seal of high stove.
Further, Double water-cooled steel furnace shell is set outside the furnace body；Vacuum line is provided on the furnace shell, it is described
Vacuum line is connect with vacuum pump；The water cooled electrode being connect with heater element and sealed rubber ring are additionally provided on the furnace shell；Institute
Furnace shell bottom is stated equipped with gas outlet；The furnace shell side wall is equipped with multiple air inlet pipelines.
Multiple admissions and outlet point are set, and furnace atmosphere is uniform, and the nitriding result of product is good.
The present invention has the beneficial effect that：
2000 DEG C of superhigh temperature can be reached the present invention provides a kind of sintering temperature and nitrogenize continuous tunnel stove, unique ring
The Full automatic sealing that shape topology layout realizes material in a manner of as compact as possible is recycled, it can be achieved that material is quick in stove
Cooling and individually disengaging, and small, furnace atmosphere is uniform, can work continuously.Entry/exit material mouth has vacuum tightness slide valve
Transfer chamber, air can be prevent completely to enter in continuous tunnel furnace, while this transfer chamber has single workpiece and independently replaces atmosphere
Function, it is ensured that air will not enter in stove during continuous entry/exit material at high temperature, reached and at high temperature fully nitrogenized product
Effect.The function of transfer chamber not only can effectively completely cut off air, and the continuous and automatic of material will not be interfered to run；It is heat-insulated
Slide valve can reduce furnace heat and leak, and enhance the cooling effect of material, reduce energy consumption.Cooling area is rectangular with cooling zone
Connection, and the at right angles cooling cabin of structure can either reduce device length and effectively block heat conduction, and provide further relative savings of
The size in plant width direction.Floating support structure track in furnace body, will not stretching of being generated due to temperature change of constraint tracks
Contracting, it is ensured that the quality of connection of thermal expansion surplus and overall track under high temperature.The present invention can realize that an endfeed one end discharges
The production process to move in circles, realize the nitridation process of batch, using hydraulic drive, whole process is all by computer
Control does not need to artificial interference, realizes worked continuously by automation, and material stable and reliable operation, security performance is high, labor intensity
It is low.
Other features and advantages of the present invention will illustrate in the following description, also, part can become from specification
It obtains it is clear that being understood by implementing the present invention.The purpose of the present invention and other advantages can be by the explanations write
Specifically noted structure is realized and is obtained in book, claims and attached drawing.
Description of the drawings
Attached drawing is only used for showing the purpose of specific embodiment, and is not considered as limitation of the present invention, in entire attached drawing
In, identical reference mark represents identical component.
Fig. 1 is the agent structure cross section view of the full-automatic tunnel nitride stove of superhigh temperature；
Fig. 2 is the sectional view for being heated at high temperature area；
Fig. 3 is the top plan view of the full-automatic tunnel nitride stove of superhigh temperature；
Fig. 4 is transfer chamber structure chart；
Fig. 5 is vertical view at floating support orbital docking；
Track sectional view is made to float in Fig. 6；
Wherein：The heat-insulated slide valve of 1- chargings, 2- preheating zones, the main heating zones of 3-, 4- cooling areas, the heat-insulated slide valve of 5- dischargings,
6- air inlet pipelines, 7- gas exhaust pipings, 8- furnace lining insulating layers, 9- slip push plates, 10- floating support tracks, 11- heater elements,
The first hydraulic push rods of 12- mechanism, the second hydraulic push rods of 13- mechanism, 14- third hydraulic push rods mechanism, 15- feed zones transfer chamber into
Mouth vacuum tightness slide valve, 16- feed zone transfer chambers, 17- feed zones transfer chamber outlet vacuum tightness slide valve, 18- hands behaviour
Case, the 4th hydraulic push rod mechanisms of 19-, 20- feed zones outlet vacuum tightness slide valve, the 5th hydraulic push rod mechanisms of 21-, 22- the
Six hydraulic push rod mechanisms, 23- water cooling extraction electrodes, 24- temperature-control heat couples, 25- infrared radiation thermometer forms, the 7th hydraulic thrusts of 26-
Linkage, 27- spacing mandrils, 28- cooling cabins, the 8th hydraulic push rod mechanisms of 29-, the 9th hydraulic push rod mechanisms of 30-, 31- dischargings
Area's transfer chamber import vacuum tightness slide valve, the tenth hydraulic push rod mechanisms of 32-, 33- discharge zones transfer chamber, the transition of 34- discharge zones
Cabin exports vacuum tightness slide valve, 35- extension orbital platforms, 36- vacuum pump systems, 37- hydraulic station systems, 38- pressure sensings
Device, 39- pressure gauges, 40- cooling water bus-bars, 41- pressure transmitters, 42- flowmeters, 43- furnace shell interfaces, 44- feed zone mistakes
Cross cabin gas exhaust piping, 45- feed zone transfer chamber pressure sensors, 46- loading lines, 47- feed zone transfer chamber pressure gauges, 48-
Feed zone transfer chamber cabin, 49- materials, 50- vacuum pumping ports, 51- floating support rail tracks, 52- floating support rail supports.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings, wherein, attached drawing form the application a part, and with the present invention
Embodiment together for illustrating the principle of the present invention.
The tunnel nitride stove integral planar of the present invention is arranged as closed ring structure, and extension orbital platform 35 is non-tight
Structure exports vacuum tightness slide valve 34 from its feed zone transfer chamber import vacuum tightness slide valve 15 to discharge zone transfer chamber,
Entire furnace body is seal cavity structure.
Three areas of furnace shell inside points, preheating zone 2, the main heating zone 3 at middle part and the drop at rear portion including being located at furnace body forepart
Warm area 4.It slides the carrying material of push plate 9 and sequentially enters preheating zone 2, preheat material by the heat of main heating zone 3 radiation；It enters back into
Main heating zone 3 is heated/is kept the temperature, and is gradually cooled down into cooling area 4, is quickly cooled down into the realization of cooling cabin 28, finally by discharging
Area's transfer chamber 33 is released outside stove.Cooling area 4 side wall position on the upper side is welded with vacuum pumping port, and the vacuum pipe containing filter is therewith
It is connected, pipe end is connect with vacuum pump system 36.Furnace shell is steel construction, is welded by steel plate.Each section of furnace body and component
Docking end face be welded with flange, end face of flange is machined with seal groove, during docking in seal groove filled rubber stick, will with bolt
Companion flange is locked.Vacuum tightness slide valve 20 is exported to cooling cabin 28 from feed zone, is both designed as Double water-cooled furnace shell.Stove
Shell, bell, water cooling extraction electrode are equipped with water cooling pipeline, and all pipelines are pooled on cooling water bus-bar 40.
Furnace sidewall and head cover are equipped with several air inlets and with circuits.Nitrogen is inputted from pressure transmitter 41, through flowmeter
42 distribute to each air inlet.Outlet pipe 7 is arranged on furnace body both ends bottom, equipped with Manual air-release valves and automatic blow off valve valve air relief, works as stove
It can releasing pressure automatically during interior hypertonia.Pressure gauge 39 and pressure transmitter 41 are used for observing and monitoring furnace pressure variation.It is main to add
3 furnace shell side wall of hot-zone is equipped with infrared radiation thermometer form 25, water cooling extraction electrode 23, temperature-control heat couple 24.
Superhigh temperature tunnel nitride stove provided by the invention, including hermetically sealed furnace shell, aerobic loading area (extension guide rail platform),
Anaerobic loading area (hand behaviour case), hydraulic push rod mechanism, entry/exit material transfer chamber and cooling zone, hanging furnace body both sides heating unit
Part, bearing material are laid with track and thermal insulation material with push plate 9, entire bottom of furnace body is slided.Track takes floating support structure, interorbital
There are appropriate gaps, it is ensured that the thermal expansion surplus under high temperature.Furnace body sets multiple spot air inlet pipeline, furnace bottom outlet pipe and vacuum
The connected vacuum line of pumping system 36.Preheating zone 2 and the hanging of 4 burner hearth surrounding of cooling area are laid with thermal insulation material, and do not install fever
Element；Burner hearth sidewall and head cover the hanging thermal insulation material of main heating zone 3, lift electrical heating element 11, side peace on the inside of burner hearth
Fill temperature-control heat couple 24 and infrared radiation thermometer.All docking sites of continuous tunnel furnace are welded with flange, there is rubber bar groove on flange,
There is rubber bar sealing during docking, in groove.It can continuously move, individually pass in and out, equipment overall structure in stove inside/outside for guarantee push plate
It is designed as such as Fig. 3 forms.It is equipped with 10 sets of hydraulic push rod mechanisms, 5 electric sealed slide valves altogether on furnace body inside/outside circulation route
And 2 electronic heat-insulated slide valves.It is shown as shown in Figure 1, Figure 2, preheating zone 2, main heating zone 3 and the hanging of 4 burner hearth surrounding of cooling area, paving
If thermal insulation material, high-temperature heating area lifts electrical heating elements in inboard wall of burner hearth both sides.Entire bottom of furnace body is laid with track, and track is adopted
Take floating support structure.It slides the carrying material of push plate 9 face in orbit to move horizontally, motive force comes from hydraulic push rod mechanism.
The stroke of hydraulic push rod is controlled by travel switch, and stroke will complete each one-off that moves forward and backward to push rod each time.Practical work
When making, hydraulic push rod need to successively be acted according to program, and the determining principle of stroke distances is, will slide push plate 9 (or under
The slide plate of one hydraulic push rod) it is pushed into the front of next hydraulic push rod.Hydraulic push rod power source be hydraulic station system 37, liquid
There is pressure duct connection between pressure station system 37 and each hydraulic push rod.
Be additionally provided with vacuum line on the furnace shell of high-temperature ammonolysis continuous tunnel furnace of the present invention, the vacuum line one end with it is true
Sky pump connection can exclude air in stove before continuous production clean.It is provided on furnace shell by connecting in entering outside with heater element
The water cooled electrode and sealed rubber ring connect.Manual air-release valves and automatic blow off valve valve air relief are provided on the gas outlet of furnace shell bottom, work as stove
Interior pressure is automatically opened more than automatic blow off valve valve air relief after setting pressure.There are multiple air inlet pipelines in furnace roof and furnace shell side wall, to ensure
Each point nitrogen is uniformly abundant in stove.Bell, electrode, has circulating water at furnace shell side wall.
Reach 2000 DEG C of high temperature, graphite heater can only be selected in a nitrogen environment, but for continuous tunnel furnace, by
Continuously to be moved inside and outside stove always in material, certainly will bring into large quantity of air destroy furnace atmosphere, cause graphite heater because
It aoxidizes and damages, nitriding result is also not achieved in material.It, can be because in high temperature action lower railway in addition, due to lay track in stove
Thermal expansion and be deformed even being broken.
It is for the measure taken of the above situation present invention：
(1) track takes floating support structure, and similar structure also has application, but in 2000 DEG C of stoves in other continuous tunnel furnaces
The case and experience inside used is still immature at home.By constantly putting into practice and perfect, our track has been withstood for a long time
High temperature tests, and meets requirement.The theory of floating support refers to that the supporter of track is subjected only to the vertical gravity of track,
Will not constraint tracks generated due to temperature change flexible, interorbital reserves rational expansion joint.Fig. 5, Fig. 6 are floating support
Structure chart, floating support rail track 51 is supported by several floating support rail supports 52, above floating support rail track 51
It is furnished with and slides push plate 9, slide push plate 9 and carry material above.Track seam crossing and floating support rail supports 52 are inserted into branch of floating
The circumferencial direction of rail track 51 part is supportted there are gap S, and the interface concave-convex surface between each floating support rail track 51,
Plug-in type is taken to splice, it is ensured that the quality of connection of overall track.The actual size of gap S will according in stove maximum temperature, rail
The factors such as material, the structure in road determine.
(2) to ensure furnace atmosphere, the present invention is in addition to the measures such as airtight furnace shell and forvacuum are employed, especially in furnace shell
Entry/exit material end is provided with transfer chamber, not only can effectively completely cut off air, and the continuous and automatic of material will not be interfered to run.
Illustrate the structure of transfer chamber by taking feed zone transfer chamber shown in Fig. 4 as an example, for the statement of simple, intuitive, spy will be into
Material area's transfer chamber import vacuum tightness slide valve 15 and feed zone transfer chamber outlet vacuum tightness slide valve 17 are changed to straight line,
It is practical to be arranged for 90 °.Transfer chamber operation principle is as follows, first opens feed zone transfer chamber import vacuum tightness slide valve 15, by
Second hydraulic push rod mechanism 13 pushes material 49 into feed zone transfer chamber cabin 48 to the left, is then shut off feed zone transition
Cabin import vacuum tightness slide valve 15 simultaneously starts to vacuumize, and vacuum line is closed after vacuum degree reaches setting pressure and into cabin
Inflated with nitrogen, when in cabin pressure reach setting value after close air inlet pipeline, be at this moment in the atmosphere in cabin and pressure and stove it is identical,
Feed zone transfer chamber outlet vacuum tightness slide valve 17 is then turned on, is pushed forward by third hydraulic push rod mechanism 14, it will be in cabin
Material releases feed zone transfer chamber cabin 48, completes the process of displacement atmosphere.
The course of work
Fig. 3 show the original state before work, and including each initial position for sliding push plate 9, all hydraulic push rod exists
Retracted position, all vacuum slide valves and heat-insulated slide valve in off position, go out/air inlet in off position.
Start the self-circulation system of hand behaviour's case, empty oxygen.Start vacuum pump system 36, it is true that furnace pressure is extracted into the limit
After sky, vacuum pump system 36 is closed, opens air intake valve inflated with nitrogen into stove, until furnace pressure reaches micro-positive pressure, opening hand
Dynamic vent valve, a small amount of to deflate, pressure transmitter changes adjust automatically displacement according to furnace pressure, makes the pressure one of furnace atmosphere
Directly it is maintained in the range of setting.Each inlet valve on cooling water bus-bar 40 is opened, return water situation is checked, all goes well
Afterwards, power on the power transmission into stove to start to warm up.It heats up in temperature-rise period by the heating curve of process stipulation, electric furnace is heated to
After operating temperature, start Matter Transfer program, multiple slip push plates 9 are worked continuously.
Start hydraulic station system 37 first, then feed zone transfer chamber 16 starts to replace atmosphere (vacuumizing, inflated with nitrogen), it
Rear feeding area transfer chamber outlet vacuum tightness slide valve 17 is opened, and third hydraulic push rod mechanism 14 advances/retracts, and will slide push plate
9 are sent into hand behaviour's case 18, while the slip push plate 9 of distal end is pushed to forward 19 front end of the 4th hydraulic push rod mechanism, feed zone mistake
It crosses cabin outlet vacuum tightness slide valve 17 to close, feed zone outlet vacuum tightness slide valve 20 is opened, the 4th hydraulic push rod mechanism
19 advance/retract, and will slide push plate 9 and push to 21 front end of the 5th hydraulic push rod mechanism, feed zone outlet vacuum tightness lock to the left
Plate valve 20 is closed, and is fed heat-insulated slide valve 1 and is opened, and the 5th hydraulic push rod mechanism 21 advances/retracts, and will slide push plate 9 to being pushed forward
It send to 22 front end of the 6th hydraulic push rod, feeds heat-insulated slide valve 1 and close, the 6th hydraulic push rod 22 advances/retracts, by distal end
It sliding push plate 9 and pushes to 26 front end of the 7th hydraulic push rod to the right, the heat-insulated slide valve 5 that discharges is opened, and the 7th hydraulic push rod 26 advances/
It retracts, the slip push plate 9 of distal end is pushed into 29 front end of the 8th hydraulic push rod backward, the heat-insulated slide valve 5 that discharges is closed, the 8th liquid
Pressure push rod 29 advances/retracts, and will slide push plate 9 and pushes to 30 front end of the 9th hydraulic push rod to the left, discharge zone transfer chamber import is true
Empty closed slide valve 31 is opened, and the 9th hydraulic push rod 30 advances/retracts, and will be slided push plate 9 and is pushed to the tenth hydraulic push rod backward
32 front ends (i.e. in transfer chamber 33), discharge zone transfer chamber import vacuum tightness slide valve 31 are closed, and transfer chamber outlet in discharge zone is true
Empty closed slide valve 34 is opened, and the tenth hydraulic push rod 32 advances/retracts, and will be slided push plate 9 and is released discharge zone transfer chamber 33 to the left,
Push plate 9 is slided into distal end simultaneously and pushes to 12 front end of the first hydraulic push rod, discharge zone transfer chamber outlet vacuum tightness flashboard to the left
Valve 34 is closed, and discharge zone transfer chamber 33 replaces atmosphere, and the first hydraulic push rod 12 advances/retracts, and will be slided push plate 9 and is pushed backward
To 13 front end of the second hydraulic push rod, feed zone transfer chamber import vacuum tightness slide valve 15 is opened, and the second hydraulic push rod 13 advances/
It retracts, push plate 9 will be slided and be pushed into feed zone transfer chamber 16 to the left, feed zone transfer chamber import vacuum tightness slide valve 15 is closed.
So far, a cyclic process terminates, and then can start following for endfeed one end discharging according to technological requirement
The reciprocal production process of ring.Technical process terminates, and in-furnace temperature can drop to room temperature by program, and this completes batch
Nitridation process, whole process are all controlled by computer, do not need to artificial interference.
The present invention has the nitridation sintered temperature of 2000 DEG C of highest so that the nitridation that the type of furnace is suitable for a variety of materials is burnt
Knot；All docking sites of continuous tunnel furnace are sealed using flange, rubber bar, and side wall, furnace roof, furnace bottom and electrode have water cooling, furnace body
Overall sealing performance is good.Input and output material uses hydraulic push rod mechanism, and stove is interior for skateboard, material stable and reliable operation, safety
Can be high, labor intensity is low.Entry/exit material mouth is equipped with transfer chamber, has the function of independent displacement atmosphere, air when avoiding entry/exit material
Into in stove.Heat-insulated slide valve is provided in the feeding mouth in preheating zone and water cooling area respectively, reduces furnace heat and leaks, is enhanced
The cooling effect of material, reduces energy consumption.Equipment can realize continuous production, and production efficiency is high.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of full-automatic tunnel nitride stove, which is characterized in that including aerobic loading area, feed zone, furnace body and discharge zone, each area
Rectangular loop structure is in turn connected to form, and each area is mutual indepedent, wherein, the feed zone, furnace body and discharge zone are annular seal space
Body structure, the aerobic loading area are extension orbital platform；Track is laid in each area, and corner is equipped with hydraulic push rod machine
Structure, each hydraulic push rod mechanism is connect with hydraulic station system, available for material is promoted to be moved in stove automatically.
2. full-automatic tunnel nitride stove according to claim 1, which is characterized in that transfer chamber is further included, in the transfer chamber
Equipped with independent loading line, gas exhaust piping and vacuum line, material can independently replace atmosphere in transfer chamber；The transfer chamber
Entrance is equipped with vacuum tightness slide valve.
3. full-automatic tunnel nitride stove according to claim 2, which is characterized in that in feed zone entrance and discharge zone outlet point
It She Zhi not a transfer chamber.
4. full-automatic tunnel nitride stove according to claim 1, which is characterized in that cooling area and cooling are equipped in the furnace body
Area；The cooling area and cooling zone are at right angles arranged；The cooling zone is right-angle structure cooling cabin；Entire bottom of furnace body, which is laid with, to be protected
Adiabator.
5. full-automatic tunnel nitride stove according to claim 4, which is characterized in that the furnace body is additionally provided with preheating zone and high temperature
Heating zone, the preheating zone and the hanging of cooling area burner hearth surrounding are provided with thermal insulation material, and do not install heater element；High-temperature heating
Heater element is installed, the heater element is graphite heater in area.
6. full-automatic tunnel nitride stove according to claim 1, which is characterized in that floating support track, institute are equipped in furnace body
It states track and includes multiple guide rails and several pillars, the pillar is inserted into guide rail from bottom, is used to support guide rail；Between each guide rail and
Along the pillar, there are expansion joints with rail attachment point.
7. full-automatic tunnel nitride stove according to claim 1, which is characterized in that the transfer chamber of the feed zone and heat-insulated lock
The hand to feed for anaerobic is additionally provided between plate valve and grasps case, vacuum tightness is equipped between hand behaviour's case tail end and heat-insulated slide valve
Slide valve.
8. full-automatic tunnel nitride stove according to claim 1, which is characterized in that including ten hydraulic push rod mechanisms.
9. full-automatic tunnel nitride stove according to claim 1, which is characterized in that the docking end face in each area of continuous tunnel furnace is equal
It is welded with flange, the end face of the flange is machined with seal groove, is filled with rubber bar in the seal groove during docking.
10. full-automatic tunnel nitride stove according to claim 1, which is characterized in that Double water-cooled steel is set outside the furnace body
Matter furnace shell；Vacuum line is provided on the furnace shell, the vacuum line is connect with vacuum pump；Be additionally provided on the furnace shell with
The water cooled electrode and sealed rubber ring of heater element connection；The furnace shell bottom is equipped with gas outlet；The furnace shell side wall is equipped with multiple
Air inlet pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721641828.0U CN207540348U (en) | 2017-11-30 | 2017-11-30 | A kind of full-automatic tunnel nitride stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721641828.0U CN207540348U (en) | 2017-11-30 | 2017-11-30 | A kind of full-automatic tunnel nitride stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207540348U true CN207540348U (en) | 2018-06-26 |
Family
ID=62616466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721641828.0U Active CN207540348U (en) | 2017-11-30 | 2017-11-30 | A kind of full-automatic tunnel nitride stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207540348U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109028971A (en) * | 2018-09-07 | 2018-12-18 | 乾县西北琉璃有限责任公司 | The abundant water-cooling circulating system of blue bricks kiln |
| WO2020108409A1 (en) * | 2018-11-26 | 2020-06-04 | 太原开元智能装备有限公司 | Externally heated vacuum continuous sintering furnace |
| CN113122796A (en) * | 2021-05-14 | 2021-07-16 | 钢铁研究总院 | Ferrovanadium continuous nitriding device and process thereof |
| CN113446844A (en) * | 2021-06-29 | 2021-09-28 | 横店集团东磁股份有限公司 | Automatic feeding and discharging system of rotary kiln and implementation method thereof |
| CN114152091A (en) * | 2021-11-26 | 2022-03-08 | 合肥恒力装备有限公司 | Roller hearth furnace inlet and outlet sealing bin structure suitable for inflammable, explosive and harmful atmosphere |
| CN115417387A (en) * | 2022-10-11 | 2022-12-02 | 新疆晶硕新材料有限公司 | Silicon nitride production process control method, device and equipment |
-
2017
- 2017-11-30 CN CN201721641828.0U patent/CN207540348U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109028971A (en) * | 2018-09-07 | 2018-12-18 | 乾县西北琉璃有限责任公司 | The abundant water-cooling circulating system of blue bricks kiln |
| CN109028971B (en) * | 2018-09-07 | 2024-05-07 | 乾县西北琉璃有限责任公司 | Full water-cooling circulation system of green brick kiln |
| WO2020108409A1 (en) * | 2018-11-26 | 2020-06-04 | 太原开元智能装备有限公司 | Externally heated vacuum continuous sintering furnace |
| CN113122796A (en) * | 2021-05-14 | 2021-07-16 | 钢铁研究总院 | Ferrovanadium continuous nitriding device and process thereof |
| CN113446844A (en) * | 2021-06-29 | 2021-09-28 | 横店集团东磁股份有限公司 | Automatic feeding and discharging system of rotary kiln and implementation method thereof |
| CN114152091A (en) * | 2021-11-26 | 2022-03-08 | 合肥恒力装备有限公司 | Roller hearth furnace inlet and outlet sealing bin structure suitable for inflammable, explosive and harmful atmosphere |
| CN115417387A (en) * | 2022-10-11 | 2022-12-02 | 新疆晶硕新材料有限公司 | Silicon nitride production process control method, device and equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207540348U (en) | A kind of full-automatic tunnel nitride stove | |
| CN108020081A (en) | A kind of superhigh temperature nitrogenizes continuous tunnel stove | |
| CN101655310B (en) | Protective atmosphere vacuum sintering furnace with high temperature of 1800 DEG C | |
| CN206339094U (en) | Heating using microwave produces the product line device of alloy | |
| CN205980750U (en) | Four pushing plate furnace's of atmosphere protection furnace body | |
| CN108213630A (en) | It is a kind of to carry out the soldering system for heating/cooling down by medium of gas | |
| CN201246955Y (en) | High temperature nitridation channel furnace | |
| CN105444566A (en) | Furnace body of atmosphere protection three-pushed-slab kiln | |
| CN103940228A (en) | High-temperature lifting furnace | |
| CN106546096B (en) | The product line device and production method of microwave heating production alloy | |
| CN208520219U (en) | Kiln air inlet cooling and heat energy recycling system | |
| CN203148211U (en) | High-temperature lifting furnace | |
| CN108870958A (en) | Hot air circulation heat accumulation type radiant tube heating sealing roller way kiln | |
| CN104294016A (en) | Energy-saving annealing furnace | |
| CN105758170A (en) | Intermittent lithium battery material sintering furnace | |
| CN208505002U (en) | Hot air circulation heat accumulation type radiant tube heating sealing roller way kiln | |
| CN206683389U (en) | A kind of double tank pusher-tray type powder reduction furnaces | |
| CN107176606A (en) | The system and method for reclaiming carbide liquid sensible heat | |
| CN205679047U (en) | Shaft furnace | |
| CN210625340U (en) | Novel steam kiln reduction kiln | |
| CN207362147U (en) | A kind of waste and old organic glass pyrolysis furnace | |
| CN208458494U (en) | Multicell mould heating furnace | |
| WO2018171566A1 (en) | Dry distillation type discontinuous tunnel pyrolysis furnace | |
| CN201583125U (en) | High-temperature pressure nitriding furnace | |
| CN111964070A (en) | Movable oil stain solid waste pyrolyzing furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |