CN109850901A - It is a kind of for producing the full-automatic push boat type carbide furnace of superfine tungsten carbide - Google Patents
It is a kind of for producing the full-automatic push boat type carbide furnace of superfine tungsten carbide Download PDFInfo
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- CN109850901A CN109850901A CN201910242505.1A CN201910242505A CN109850901A CN 109850901 A CN109850901 A CN 109850901A CN 201910242505 A CN201910242505 A CN 201910242505A CN 109850901 A CN109850901 A CN 109850901A
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Abstract
The present invention relates to a kind of for producing the full-automatic push boat type carbide furnace of superfine tungsten carbide, the Zhuan Zhou mechanism being connected including control system and respectively with the control system, system for compacting, lamination, closing mechanism, feeding mechanism, burner hearth mechanism, discharging mechanism and conveying mechanism, the Zhuan Zhou mechanism is used to material to be processed being packed into boat, the system for compacting is used to flatten by the material to be processed in boat and jack, the lamination is used to overlap the boat after flattening, it is overlapped into boat group up and down, the closing mechanism is used to for boat lid being covered on the boat group up and down, the feeding mechanism is used to the group of boat up and down for having covered conjunction being sent into burner hearth mechanism, the burner hearth mechanism is used to for burner hearth boat group up and down within the organization being processed, the discharging mechanism is used for the boat group up and down that working process is good Discharging.The present invention not only high degree of automation, and temperature uniformity is good, yield is high, low energy consumption for per unit area yield.
Description
Technical field
It is specifically a kind of for producing automatically pushing away for superfine tungsten carbide the present invention relates to metal powder carbonization field
Boat formula carbide furnace.
Background technique
Carbide furnace, non-retort, and refer to that the heating element of low temperature carbonization furnace mostly uses heat-resisting electric furnace heating wire, and high temperature cabonization
Furnace is mostly used graphite heater as heat source, and hard alloy is implemented to be carbonized, belongs to directly-heated type furnace.Carbonizer is being carried out to metal tungsten powder
When skill, logical hydrogen carbonization need to be carried out in carbide furnace.
Currently, the use of the maximum type of furnace being in the market continuous molybdenum wire furnace that heating zone length is 2600mm, however, the molybdenum
Silk furnace needs artificial loading, blanking etc., and the degree of automation is low, and time-consuming, inefficiency.
Moreover, existing molybdenum wire furnace internal furnace is built by corundum products or is made of the splicing of several corundum furnace tubes, carrying out
When heating, corundum products or boiler tube meeting expanded by heating are elongated, and when stopping heating, boiler tube meeting shrinkage can make furnace after repeatedly recycling
Thorax service life seriously lowers, and usually just needs replacing furnace body internal furnace material in industry at 10 to 12 months, and maintenance cost is high；
This no treatment measures of expanding with heat and contract with cold, burner hearth heating zone length are restricted simultaneously, are eventually led to equipment capacity and are limited, unit
Energy consumption cannot reduce.In addition, this gap is likely to be breached 100mm, and this gap is not there are biggish gap between there are two boiler tubes
Uniformly, so as to cause flow through boiler tube through vessel contain material due to uneven heating is even and the inadequate uniform and complete that is carbonized, effect
It is not high；Poor temperature uniformity, unstable quality.The cost of one carbide furnace production line at least million or more, if long-term heated
Unevenness must just replace entire furnace structure, and as the core component of carbonization production line, replacement cost is extremely huge.
Also, existing carbide furnace directly takes water cooling mode to be cooled down after furnace body heats, sharply due to temperature
Variation, the material strength and performance that will lead to processing are affected.
Therefore, for overcome the shortcomings of above-mentioned technology and design a high degree of automation, low energy consumption for per unit area yield, temperature is uniform
The good, good product quality of property, that service life is long, production cost is low is a kind of for producing the full-automatic push boat type of superfine tungsten carbide
Carbide furnace, exactly inventor problem to be solved.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of high the degree of automation, high temperature-controlled precision, high production rate, low energy consumption, temperature
Spend the long full-automatic push boat type carbide furnace for being used to produce superfine tungsten carbide of good uniformity, good product quality, service life.
The technical scheme of the invention to solve the technical problem is: a kind of for producing the complete of superfine tungsten carbide
Automatic push boat type carbide furnace, Zhuan Zhou mechanism, system for compacting, the overlapping being connected including control system and respectively with the control system
Mechanism, closing mechanism, feeding mechanism, burner hearth mechanism, discharging mechanism and conveying mechanism,
The Zhuan Zhou mechanism is used to material to be processed being packed into boat,
The system for compacting is used to flatten by the material to be processed in boat and jack,
The lamination is used to overlap the boat after flattening, and is overlapped into boat group up and down,
The closing mechanism is used to for boat lid being covered on the boat group up and down,
The feeding mechanism is used to the group of boat up and down for having covered conjunction being sent into burner hearth mechanism,
The burner hearth mechanism is used to for burner hearth boat group up and down within the organization being processed,
The discharging mechanism is used to discharge the good group of boat up and down of working process,
The conveying mechanism is used to boat or upper and lower boat group being moved to the system for compacting, lamination, closing lid machine
Structure, feeding mechanism, burner hearth mechanism and discharging mechanism.
Preferably, the feeding mechanism includes the first delivery device, the second delivery device and third delivery device, it is described
The central axes of first delivery device and third delivery device are generally aligned in the same plane, and the axis of the central axes and the second delivery device
It is mutually perpendicular to center line, second delivery device includes the second cylinder, the outer stove gate device of charging and feeds interior fire door, described
A feed surge room that can be filled with nitrogen is formed in feeding outer stove gate device and feeding between fire door, the third delivery device includes
Furnace chamber in third electric cylinders and the charging being connected to the chamber structure,
The boat group up and down for having covered conjunction is sent into feed surge through feeding outer stove gate device by first delivery device
Interior, second cylinder by the indoor boat group up and down of feed surge fed in fire door be sent into feed in furnace chamber, described the
The group of boat up and down that three electric cylinders will be fed in interior furnace chamber is sent into burner hearth mechanism.
Preferably, first delivery device is equipped with first communicated with control system close to upper and lower boat group one end
Sensor is set, second cylinder is equipped with the second position sensor communicated with control system, institute close to upper and lower boat group one end
It states third electric cylinders and is equipped with the third place sensor communicated with control system close to upper and lower boat group one end；
When supplied materials signal of the first position sensor sensing to upper and lower boat group, control system controls the charging
Outer stove gate device is opened, and controls first delivery device and the boat group up and down is sent into feed surge room；When described
Second position sensor sensing to upper and lower boat group supplied materials signal when, control system controls the outer stove gate device of the charging and closes
It closes, and opens fire door in the charging, and control second cylinder and the boat group up and down is sent into charging in furnace chamber；When
The third place sensor sensing to upper and lower boat group supplied materials signal when, control system control feed in fire door close, and
It controls the third electric cylinders boat group up and down is sent into burner hearth mechanism.
Preferably, the outer stove gate device of the charging includes outer furnace chamber be connected to feed surge room and passes through the 4th cylinder
Device drives the fire door outside the charging that outer furnace chamber side wall is longitudinally opened and closed, and further includes a support frame for being set to outer furnace chamber top,
4th air cylinder device includes the 4th cylinder connecting with support frame as described above top and the piston that one end is connect with the 4th cylinder
Bar, the piston rod other end connection feed outer fire door, and the outer furnace chamber two sidewalls are respectively corresponded equipped with guided way, the charging
Outer fire door is inlaid with the gear that can be slided along the guided way.
Preferably, the outer fire door top of the charging be equipped with can outer furnace chamber described in clamping locking bail.
Preferably, the discharging mechanism include first discharging delivery device and second discharging delivery device, described first
The longitudinal center line of discharging delivery device and the second discharging delivery device is mutually perpendicular to, and the first discharging delivery device includes the
One discharging cylinder and the interior furnace chamber that discharges, the second discharging delivery device include fire door and discharging in the second discharging cylinder, discharging
Outer fire door, formation one can be filled with the discharging surge chamber of nitrogen between fire door and the outer fire door of discharging in the discharging,
First discharging cylinder is discharged the good group of boat up and down of working process in interior fire door feeding discharging surge chamber,
Second discharging cylinder sends out the indoor boat group up and down of discharging buffering through the outer fire door of discharging.
Go out preferably, first discharging cylinder is equipped with first communicated with control system close to upper and lower boat group one end
Discharge position sensor, second discharging cylinder are equipped with second communicated with control system close to upper and lower boat group one end and go out material position
Sensor is set,
When supplied materials signal of the first unloading position sensor sensing to upper and lower boat group, described in control system control
Oven door opening in discharging, and control first discharging cylinder and the boat group up and down is sent into discharging surge chamber, when described
Second unloading position sensor sensing to upper and lower boat group supplied materials signal when, control system controls fire door in the discharging and closes
It closes, and opens the outer fire door of the discharging, and control second discharging cylinder and send out the boat group up and down.
Preferably, the chamber structure includes furnace shell and the furnace body in furnace shell, the furnace body is interior along the charging
The group of boat up and down in interior furnace chamber is pushed into several boiler tubes of direction setting, is equipped with locating piece between any two adjacent boiler tube.
Preferably, the channel outer ring of the boiler tube is equipped with thermal insulation material, the thermal insulation material from furnace shell to boiler tube at
It is followed successively by high temperature calcium silicate board with microporous, heat-preservation cotton, light mullite brick, alumina bubble brick, corundum brick.
Preferably, the chamber structure be additionally provided with one connect with furnace body tail portion for will it is described up and down boat group progress
Air-cooled area and water cooling area are divided into cooling cooling zone, the cooling, and the group of boat up and down after boiler tube heating flows to wind
Cold-zone carries out after once cooling down, then water cooled area carries out secondary cooling.
Compared with prior art, the invention has the following advantages:
1, the invention high degree of automation, it is time-consuming short, high-efficient, realize the full-automation of carbide furnace；
2, carbonization and compound carbonization and reduction of the invention suitable for metal powder, carbide furnace use automatic feed/discharge,
Everything is controlled by PLC and is executed, and input and output material end fire door is double door, is protected using guide groove sealing, gas curtain, good airproof performance,
Air consumption is few, no boiler tube carburization phenomena, is conducive to control metal powder carbon content；
3, the feed surge room of invention setting and discharging surge chamber can be filled with nitrogen inside, can by feed surge room and
Discharging buffers indoor air and drains, and the hydrogen being filled in its nitrogen and chamber structure sufficiently reacts, and realizes boat up and down with this
For the working process of processing materials in ware group；
4, the setting of the third electric cylinders uses electric control, can carry out the regulation of speed, can be in real time according to upper and lower boat
The speed of service of group determines the propulsion of third electric cylinders again；
5, the locating piece of the invention setting can control the retractable floating of every boiler tube in an interval range, dispersion
The deformation gap of boiler tube will not reserve larger gap, so that material be made to be heated evenly, quality is stablized；
6, the furnace tube structure of the invention breaches the limitation of burner hearth heating zone length, make the length increase of heating zone not by
Limitation, finally breaches the production capacity of equipment, lowers the specific energy consumption of equipment, economic benefit is obvious；Solves prior art heating
The technical issues of length in area cannot increase；
7, the boiler tube service life of the invention is long, production cost is low；It is replaceable；
8, the invention is equipped with air-cooled and two kinds of refrigerating modes of water cooling, cools down high-temperature material successively, solves temperature
The problem of shortcoming of quality caused by being quenched.
Detailed description of the invention
Fig. 1 is schematic diagram of the three-dimensional structure；
Fig. 2 is the top view that the present invention covers bell；
Fig. 3 is the structural schematic diagram (showing part) of feeding mechanism in the present invention；
Fig. 4 is the main view of Fig. 3；
Fig. 5 be in Fig. 4 along the sectional view of A-A；
Fig. 6 is the top view of Fig. 3；
Fig. 7 is the structural schematic diagram of discharging mechanism in the present invention；
Fig. 8 is the main view of Fig. 7；
Fig. 9 be in Fig. 8 along the sectional view of A-A；
Figure 10 is the top view of Fig. 7；
Figure 11 is that the present invention is cut away the partial structure diagram after bell.
Specific embodiment
Below in conjunction with Fig. 1-Figure 11, the present invention will be described in detail, and illustrative examples of the invention and explanation are used to herein
Explain the present invention, but not as a limitation of the invention.
It is a kind of for producing the full-automatic push boat type carbide furnace of superfine tungsten carbide, including control system and respectively with it is described
Control system connected Zhuan Zhou mechanism 1, lamination 3, closing mechanism 4, feeding mechanism 5, burner hearth mechanism 6, goes out system for compacting 2
Expect mechanism 7 and conveying mechanism 8,
The Zhuan Zhou mechanism be used for by material to be processed be packed into boat, and can also be achieved weighing movement, boat enter to
After Zhuan Zhou mechanism, the hoisting mechanism of Zhuan Zhou mechanism setting lifts boat, and a screw feed mechanism is arranged and feeds, simultaneously
It weighs, stops charging after reaching specified wt, hoisting mechanism is put down, and boat is transported to system for compacting.The Zhuan Zhou mechanism
Feeding motor use Frequency Converter Control, charging process is steady, efficiently.
The system for compacting is used to flatten by the material to be processed in boat and jack, since boat is through Zhuan Zhou mechanism
After small mountain can occur in upper end, which is responsible for flattening small mountain, so as to go on smoothly it is next overlapping, closing lid work
Sequence；
The lamination is used to overlap the boat after flattening, i.e., is combined upper boat and lower boat, folds
Boat group up and down is synthesized,
The closing mechanism, which is used to for boat lid being covered on boat group, the closing mechanism up and down, can be used uniaxial machine
Device people adds vacuum generating machine structure, guarantees the abrasion that can guarantee boat lid while transmission precision again,
The feeding mechanism is used to the group of boat up and down for having covered conjunction being sent into burner hearth mechanism,
The burner hearth mechanism is used to for burner hearth boat group up and down within the organization being processed,
The discharging mechanism is used to discharge the good group of boat up and down of working process,
The conveying mechanism is used to boat or upper and lower boat group being moved to the system for compacting, lamination, closing lid machine
Structure, feeding mechanism, burner hearth mechanism and discharging mechanism formulation position, conveying mechanism can be used roller type, and idler wheel uses encapsulated knot
Structure, it is possible to reduce the abrasion of boat on a conveyor, and have guiding mechanism before entering each mechanism, guarantee that boat is accurate to
Position.
The feeding mechanism includes the first delivery device 16, the second delivery device 17 and third delivery device 18, and described the
The central axes of one delivery device and third delivery device are generally aligned in the same plane, and the axial direction of the central axes and the second delivery device
Center line is mutually perpendicular to, and second delivery device includes the second cylinder 171, the outer stove gate device 172 of charging and the interior fire door of charging
173, a feed surge room 174 that can be filled with nitrogen, the third are formed between the outer stove gate device of the charging and the interior fire door of charging
Delivery device includes furnace chamber 182 in third electric cylinders 181 and the charging being connected to the chamber structure.The invention is outer using charging
Stove gate device and the twin furnace door for feeding interior fire door, securely and reliably, it is ensured that burner hearth safety.
The boat group up and down for having covered conjunction is fed outer stove gate device 172 and be sent into feed by first delivery device to be delayed
It rushes in room 174, the indoor boat group up and down of feed surge is fed interior fire door 173 and is sent into charging by second cylinder 171
Furnace chamber 182, the group of boat up and down that the third electric cylinders 181 will be fed in interior furnace chamber 182 are sent into burner hearth mechanism 6.
First delivery device is equipped with the first position sensor communicated with control system close to upper and lower boat group one end
19, second cylinder is equipped with the second position sensor 20 that communicates with control system close to upper and lower boat group one end, and described the
Three electric cylinders are equipped with the third place sensor 21 communicated with control system close to upper and lower boat group one end；
When supplied materials signal of the first position sensor sensing to upper and lower boat group, control system controls the charging
Outer stove gate device is opened, and controls first delivery device and the boat group up and down is sent into feed surge room；When described
Second position sensor sensing to upper and lower boat group supplied materials signal when, control system controls the outer stove gate device of the charging and closes
It closes, and opens fire door in the charging, and control second cylinder and the boat group up and down is sent into charging in furnace chamber；When
The third place sensor sensing to upper and lower boat group supplied materials signal when, control system control feed in fire door close, and
It controls the third electric cylinders boat group up and down is sent into burner hearth mechanism.
The outer stove gate device of the charging includes the outer furnace chamber 175 being connected to feed surge room 174 and is filled by the 4th cylinder
178 drives fire door 176 outside the charging that outer 175 chamber side wall of furnace is longitudinally opened and closed is set, further includes one set on outer furnace chamber top
Support frame 177, the 4th air cylinder device include the 4th cylinder connecting with support frame as described above top and one end and the 4th cylinder
The piston rod of connection, the piston rod other end connection feed outer fire door 176, and outer 175 two sidewalls of furnace chamber, which respectively correspond, to be set
There is guided way 179, the outer fire door of the charging is inlaid with can be along the gear 1711 that the guided way slides.
The outer fire door top of the charging be equipped with can outer furnace chamber described in clamping locking bail 1712.
The discharging mechanism includes the first discharging delivery device 22 and the second discharging delivery device 23, and first discharging pushes away
Mechanism and the longitudinal center line of the second discharging delivery device is sent to be mutually perpendicular to, the first discharging delivery device includes the first discharging
Furnace chamber 221 in cylinder 222 and discharging, the second discharging delivery device includes the second discharging cylinder 231, discharge interior fire door 232
With the outer fire door 233 of discharging, formation one can be filled with the discharging surge chamber 234 of nitrogen between fire door and the outer fire door of discharging in the discharging,
The feeding of fire door 232 discharging in discharging is slow by the good group of boat up and down of working process for first discharging cylinder 222
It rushes in room 234, second discharging cylinder 231 sends out the indoor boat group up and down of discharging buffering through the outer fire door 233 of discharging.
First discharging cylinder is equipped with the first unloading position communicated with control system close to upper and lower boat group one end and passes
Sensor 24, second discharging cylinder are equipped with the second unloading position sensing communicated with control system close to upper and lower boat group one end
Device 25,
When supplied materials signal of the first unloading position sensor sensing to upper and lower boat group, described in control system control
Oven door opening in discharging, and control first discharging cylinder and the boat group up and down is sent into discharging surge chamber, when described
Second unloading position sensor sensing to upper and lower boat group supplied materials signal when, control system controls fire door in the discharging and closes
It closes, and opens the outer fire door of the discharging, and control second discharging cylinder and send out the boat group up and down.
The chamber structure includes furnace shell 26 and the furnace body 15 in furnace shell, and the furnace shell top is set as bell.Institute
State several boiler tubes 12 of the group of the boat up and down push-in direction setting in furnace body along the charging in furnace chamber, any two adjacent boiler tube
Between be equipped with locating piece 10.The boiler tube uses electro-corundum material, and masonry construction can be used, and furnace shell is compactness welding structure,
Guarantee the sealing of furnace shell, material Q235A is additionally provided with several heaters in furnace body, and heater uses the high temperature of a branch of diameter phi 2
Doped lanthanum molybdenum filament hangs on the left and right sides of burner hearth.Heating tape is about 2700mm, totally 3 warm areas, every area's power 45KW, every area
It using three-phase star-like connection mode, is drawn between molybdenum filament and electrode using molybdenum bar, electrode uses cooling water cooling up and down.
The channel outer ring of the boiler tube is equipped with thermal insulation material 11, the thermal insulation material from furnace shell to boiler tube at be followed successively by height
Warm calcium silicate board with microporous, heat-preservation cotton, light mullite brick, alumina bubble brick, corundum brick.
The chamber structure be additionally provided with one connect with furnace body tail portion it is cooling cold for carrying out the boat group up and down
But air-cooled area 13 and water cooling area 14 are divided into area, the cooling, and the group of boat up and down after boiler tube heating flows to air-cooled area
It carries out after once cooling down, then water cooled area carries out secondary cooling.Air-cooled area uses stair-stepping structure, and thermal insulation material successively subtracts
Thin, outside adds air-cooled set, guarantees that material slow cooling enters water cooling area, reduces because the temperature difference leads to greatly weld cracking problem；Water cooling
Head of district 3000mm, water cooling furnace tube material are stainless steel, and water cooling section uses Open architecture, and adverse current is intake, is equipped in water jacket bottom
Sewage draining exit.
In implementation process, need to use two kinds of gases needed for pipe network system provides carbide furnace operation: H2 and N2.H2
Protective gas when as material carbonization, while protecting high temperature molybdenum wire, make to generate heat body running when it is not oxidized, extend heater
Service life；N2 is used for blown converter, meanwhile, in feeding, discharging, in door opened this period, air curtain is formed in stove gate,
It prevents H2 and air from mixing in stove gate and causes detonation.
In implementation process, if using new furnace or long-term not used carbide furnace baker need to be carried out before operation, by one
Determining heating curve slow heating burner hearth is precipitated burner hearth refractory material contained humidity gradually, until being heated to reach using temperature
Until white drying, it must be passed through nitrogen when in-furnace temperature is more than 200 DEG C and carry out prepurging；Nitrogen must be passed through before being passed through hydrogen
Prepurging is carried out, and does detonation test, heating rate is lower than 1 DEG C/min.After the completion of baker, superfine tungsten carbide can be formally carried out
Production, Zhuan Zhou mechanism, system for compacting, lamination, closing mechanism, feeding mechanism, burner hearth mechanism, discharging mechanism start to move
Make, the Zhuan Zhou mechanism is used to for material to be processed to be packed into boat, and the system for compacting is used for the material to be processed in boat
Flatten and jack, the lamination are used to overlap the boat after flattening, is overlapped into boat group up and down, the conjunction
Lid mechanism is used to for boat lid being covered on the boat group up and down, and the feeding mechanism is for sending the group of boat up and down for having covered conjunction
Enter burner hearth mechanism, the burner hearth mechanism is used to for burner hearth boat group up and down within the organization being processed, the discharging mechanism
For the good group of boat up and down of working process to discharge, the conveying mechanism is used to for boat or upper and lower boat group being moved to described
System for compacting, lamination, closing mechanism, feeding mechanism, burner hearth mechanism and discharging mechanism.Will by burner hearth it is within the organization up and down
When boat group is processed, boiler tube is begun to warm up, and is conducted heat to upper and lower boat group and made object in upper and lower boat group
Material such as tungsten powder is carbonized, and in carbonisation, is reacted always by being passed through hydrogen into hydrogen production device in the furnace body, more
A boat group up and down continues the boat up and down that simultaneously duration is heated toward the operation of boiler tube axial direction, after the more boiler tube heating
Group flows to air-cooled area and carries out after once cooling down, then water cooled area carries out secondary cooling, then flows out.After the completion of heating, the carbon
Change furnace can stop heating because the intracorporal multiple boiler tubes of furnace can shrinkage, due to being equipped with locating piece between any two adjacent boiler tubes,
Activity in the region that thus boiler tube can only be formed between two adjacent locating pieces, to avoid causing together due to more boiler tube shrinkages
Formation one larger no boiler tube range and the problem of make poor temperature uniformity.After the completion of carbonization, gone out through discharging mechanism
Material.
It is worth noting that the structure for producing the full-automatic push boat type carbide furnace of superfine tungsten carbide is not only
Applied to the push boat type carbide furnace of production superfine tungsten carbide, sintering furnace, heat-treatment furnace, high temperature furnace etc. are applied also for.
It is provided for the embodiments of the invention technical solution above to be described in detail, specific case used herein
The principle and embodiment of the embodiment of the present invention are expounded, the explanation of above embodiments is only applicable to help to understand this
The principle of inventive embodiments；At the same time, for those skilled in the art, according to an embodiment of the present invention, in specific embodiment party
There will be changes in formula and application range, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (10)
1. a kind of for producing the full-automatic push boat type carbide furnace of superfine tungsten carbide, it is characterised in that: including control system and
The Zhuan Zhou mechanism (1) that is connected respectively with the control system, system for compacting (2), lamination (3), closing mechanism (4), charging
Mechanism (5), burner hearth mechanism (6), discharging mechanism (7) and conveying mechanism (8),
The Zhuan Zhou mechanism is used to material to be processed being packed into boat,
The system for compacting is used to flatten by the material to be processed in boat and jack,
The lamination is used to overlap the boat after flattening, and is overlapped into boat group up and down,
The closing mechanism is used to for boat lid being covered on the boat group up and down,
The feeding mechanism is used to the group of boat up and down for having covered conjunction being sent into burner hearth mechanism,
The burner hearth mechanism is used to for burner hearth boat group up and down within the organization being processed,
The discharging mechanism is used to discharge the good group of boat up and down of working process,
The conveying mechanism be used for by boat or upper and lower boat group be moved to the system for compacting, lamination, closing mechanism, into
Expect mechanism, burner hearth mechanism and discharging mechanism.
2. according to claim 1 for producing the full-automatic push boat type carbide furnace of superfine tungsten carbide, it is characterised in that: institute
Stating feeding mechanism includes the first delivery device (16), the second delivery device (17) and third delivery device (18), and described first pushes away
Mechanism and the central axes of third delivery device is sent to be generally aligned in the same plane, and the axial centre of the central axes and the second delivery device
Line is mutually perpendicular to, and second delivery device includes the second cylinder (171), the outer stove gate device (172) of charging and feeds interior fire door
(173), a feed surge room (174) that can be filled with nitrogen is formed between the outer stove gate device of the charging and the interior fire door of charging, it is described
Third delivery device includes furnace chamber (182) in third electric cylinders (181) and the charging being connected to the chamber structure,
The boat group up and down for having covered conjunction is sent into charging through feeding outer stove gate device (172) by first delivery device (16)
In surge chamber (174), the indoor boat group up and down of feed surge is fed interior fire door (173) and is sent by second cylinder (171)
Enter furnace chamber (182) in feeding, the group of boat up and down that the third electric cylinders (181) will feed in interior furnace chamber (182) is sent into burner hearth machine
In structure (6).
3. according to claim 2 for producing the full-automatic push boat type carbide furnace of superfine tungsten carbide, it is characterised in that: institute
It states the first delivery device and is equipped with the first position sensor (19) that communicates with control system close to upper and lower boat group one end, described the
Two cylinders are equipped with the second position sensor (20) communicated with control system close to upper and lower boat group one end, and the third electric cylinders are leaned on
Nearly boat group one end up and down is equipped with the third place sensor (21) communicated with control system；
When supplied materials signal of the first position sensor sensing to upper and lower boat group, control system controls the outer furnace of the charging
Door gear is opened, and controls first delivery device and the boat group up and down is sent into feed surge room；When described second
When position sensor senses the supplied materials signal of upper and lower boat group, control system controls the outer stove gate device of the charging and closes, and
Fire door in the charging is opened, and controls second cylinder and the boat group up and down is sent into charging in furnace chamber；When described
The third place sensor sensing to upper and lower boat group supplied materials signal when, control system control feed in fire door close, and control
The boat group up and down is sent into burner hearth mechanism by the third electric cylinders.
4. according to claim 3 for producing the full-automatic push boat type carbide furnace of superfine tungsten carbide, it is characterised in that: institute
The outer stove gate device of charging is stated to include the outer furnace chamber (175) being connected to feed surge room (174) and pass through the 4th air cylinder device (178)
The outer fire door (176) of charging longitudinally opened and closed along outer furnace chamber (175) side wall is driven, further includes a branch for being set to outer furnace chamber top
Support (177), the 4th air cylinder device include the 4th cylinder connecting with support frame as described above top and one end and the 4th cylinder
The piston rod of connection, the piston rod other end connection feed outer fire door (176), and outer furnace chamber (175) two sidewalls are right respectively
Guided way (179) should be equipped with, the outer fire door of the charging is inlaid with can be along the gear (1711) that the guided way slides.
5. according to claim 4 for producing the full-automatic push boat type carbide furnace of superfine tungsten carbide, it is characterised in that: institute
State feed outer fire door top equipped with can outer furnace chamber described in clamping locking bail (1712).
6. according to claim 5 for producing the full-automatic push boat type carbide furnace of superfine tungsten carbide, it is characterised in that: institute
Stating discharging mechanism includes the first discharging delivery device (22) and the second discharging delivery device (23), the first discharging delivery device
It is mutually perpendicular to the longitudinal center line of the second discharging delivery device, the first discharging delivery device includes the first discharging cylinder
(222) and the interior furnace chamber (221) that discharges, the second discharging delivery device include fire door in the second discharging cylinder (231), discharging
(232) it is buffered with the outer fire door (233) that discharges, the discharging that formation one can be filled with nitrogen between fire door and the outer fire door of discharging in the discharging
Room (234),
Fire door (232) the feeding discharging in discharging is slow by the good group of boat up and down of working process for first discharging cylinder (222)
It rushes in room (234), second discharging cylinder (231) is by the indoor boat group up and down of discharging buffering through the outer fire door (233) that discharges
It sends out.
7. according to claim 6 for producing the full-automatic push boat type carbide furnace of superfine tungsten carbide, it is characterised in that: institute
It states the first discharging cylinder and is equipped with the first unloading position sensor (24) communicated with control system, institute close to upper and lower boat group one end
It states the second discharging cylinder and is equipped with the second unloading position sensor (25) communicated with control system close to upper and lower boat group one end,
When supplied materials signal of the first unloading position sensor sensing to upper and lower boat group, control system controls the discharging
Interior oven door opening, and control first discharging cylinder and the boat group up and down is sent into discharging surge chamber, when described second
Unloading position sensor sensing to upper and lower boat group supplied materials signal when, control system controls fire door in the discharging and closes, and
The outer fire door of the discharging is opened, and controls second discharging cylinder and sends out the boat group up and down.
8. according to claim 1 for producing the full-automatic push boat type carbide furnace of superfine tungsten carbide, it is characterised in that: institute
Stating chamber structure includes furnace shell (26) and the furnace body (15) in furnace shell, and the furnace body is interior upper in furnace chamber along the charging
Lower boat group is pushed into several boiler tubes (12) of direction setting, is equipped with locating piece (10) between any two adjacent boiler tube.
9. according to claim 8 for producing the full-automatic push boat type carbide furnace of superfine tungsten carbide, it is characterised in that: institute
The channel outer ring for stating boiler tube is equipped with thermal insulation material (11), the thermal insulation material from furnace shell to boiler tube at be followed successively by high temperature silico-calcium
Plate, heat-preservation cotton, light mullite brick, alumina bubble brick, corundum brick.
10. according to claim 8 for producing the full-automatic push boat type carbide furnace of superfine tungsten carbide, it is characterised in that:
The chamber structure be additionally provided with one connect with furnace body tail portion for by it is described up and down boat group carry out cooling cooling zone, it is described
Air-cooled area (13) and water cooling area (14) are divided into cooling, and the group of boat up and down after boiler tube heating flows to air-cooled area and carries out one
After secondary cooling, then water cooled area carries out secondary cooling.
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| CN110371980A (en) * | 2019-09-05 | 2019-10-25 | 蓬莱市超硬复合材料有限公司 | A kind of superfine tungsten carbide automatic production line |
| CN110386603A (en) * | 2019-06-25 | 2019-10-29 | 自贡硬质合金有限责任公司 | A kind of carbide furnace cooling device and assemble method |
| CN112624118A (en) * | 2020-12-20 | 2021-04-09 | 荆门市慧丰和新材料技术开发中心(有限合伙) | Non-boat ball-milling, sieving and batching integrated system for tungsten carbide production |
| CN112758624A (en) * | 2020-12-21 | 2021-05-07 | 赣州博立科技有限公司 | Ultra-long high-power full-automatic loading and unloading boat hydrogen molybdenum wire furnace for tungsten powder |
| CN113122796A (en) * | 2021-05-14 | 2021-07-16 | 钢铁研究总院 | Ferrovanadium continuous nitriding device and process thereof |
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| CN109850901B (en) | 2023-10-20 |
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