High-temperature atmosphere multiple stage circulation cooled super high sintering temperature stove
Technical field
The utility model is related to high-temperature vacuum equipment technical field more particularly to a kind of high-temperature atmosphere multiple stage circulation cooleds
Super high sintering temperature stove.
Background technology
For super high sintering temperature stove during material heat treatment, the control of the temperature of uniform temperature zone includes heating up and temperature-fall period,
The controllability and stability of its temperature play the role of the heat treatment of material conclusive.Therefore, the technology of uniform temperature zone refers to
Mark is also one of most important parameter of super high sintering temperature stove.Material workspace is located in uniform temperature zone, is heat-treated to material
Region, origin of heat is in several forms of heat radiation, convection current and heat transfer of thermal field.
Accurate temperature controlling, it is vital to the heat treatment of material to keep the stability of uniform temperature zone temperature.The control of temperature
It is a dynamic process control, it includes temperature-rise periods and temperature-fall period.The fast cooling of uniform temperature zone is the weight of temperature-fall period
Link is wanted, not the still technology requirement in certain material sintering processes, and to the surface temperature rise of super high sintering temperature stove outer covering
Inhibit and protection furnace body and extends its service life and have and energetically act on.
Invention content
It is necessary to propose that a kind of high-temperature atmosphere multiple stage circulation cooled carrying out Multi-stage cooling to furnace atmosphere of sintering furnace is super
High temperature sintering furnace.
A kind of high-temperature atmosphere multiple stage circulation cooled super high sintering temperature stove, including it is furnace body, escape pipe, air inlet pipe, first cold
But device, the second cooling device, furnace body are closed furnace body, and escape pipe and air inlet pipe are separately positioned on the different side wall of furnace body,
Escape pipe and air inlet pipe be connected in furnace body, first cooling device is arranged between escape pipe and air inlet pipe, using as
The power source that gas extraction is sent into furnace body, first cooling device include wind turbine, flabellum, the first coil pipe, strong cold tank, described
Strong cold tank is hollow seal tank body, and one end of strong cold tank is connected to escape pipe, and the other end of strong cold tank is connected to air inlet pipe, flabellum
Setting is inside strong cold tank, and output end and the flabellum axis connection of wind turbine, to drive flabellum to rotate, the first coil pipe is arranged in flabellum
Air intake, the first coil pipe are hollow pipe, and cooling circulating water is passed through inside the first coil pipe, and the second cooling device is arranged in blast pipe
Interior, the second cooling device includes the second left side baffle, the second right-hand apron, the second coil pipe, and the setting of the second coil pipe is in the second left side
Between baffle and the second right-hand apron, the second coil pipe is hollow pipe, and cooling circulating water, the second left side are passed through inside the second coil pipe
Baffle and the second right-hand apron are Semicircular baffle, the arc-shaped side and escape pipe of the second left side baffle and the second right-hand apron
Inside is fixedly connected, and the straight flange of the second left side baffle and the second right-hand apron is arranged in parallel, so that on the left of the second left side baffle
After the gas of entrance passes through the second coil pipe, the second right-hand apron is pierced by along S types direction.
Preferably, the escape pipe and air inlet pipe are separately positioned on the opposite side wall of furnace body, to expand gas in furnace body
Flow area.
Preferably, the second left side baffle and the second right-hand apron are major arc circular slab.
Preferably, the first coil pipe is concentric circles coil pipe of the copper pipe disk around formation, to increase contact of the gas with coil pipe
Area, the height of the center of circle exit of the first coil pipe are higher than the edge exit of the first coil pipe, the center of circle exit of the first coil pipe
Edge exit for water outlet, the first coil pipe is water intake end, to be made in the first coil pipe by outer loop water supply pressure
Portion is full of recirculated water.
Preferably, the high-temperature atmosphere multiple stage circulation cooled super high sintering temperature stove further includes third cooling device, third
Cooling device is arranged inside water inlet pipe, including baffle, third right-hand apron, third coil pipe on the left of third, the setting of third coil pipe
On the left of third between baffle and third right-hand apron, third coil pipe is hollow pipe, and cooling cycle is passed through inside third coil pipe
Water, third left side baffle and third right-hand apron are Semicircular baffle, the arc of third left side baffle and third right-hand apron
Side is fixedly connected with the inside of escape pipe, and the straight flange of baffle and third right-hand apron is arranged in parallel on the left of third, so that from third
After the gas entered on the left of the baffle of left side passes through third coil pipe, third right-hand apron is pierced by along S types direction.
Preferably, the high-temperature atmosphere multiple stage circulation cooled super high sintering temperature stove further includes import butterfly valve and outlet butterfly
Valve, import butterfly valve are arranged on escape pipe, and exit butterfly valve is arranged in air inlet pipe.
Preferably, the high-temperature atmosphere multiple stage circulation cooled super high sintering temperature stove further includes screw thread abat-vent, screw thread
Abat-vent is arranged in the end for the blast pipe being connect with furnace body, and screw thread abat-vent includes fixed cylinder, helical baffle, fixed cylinder
One end for hollow cylinder, fixed cylinder is fixedly connected with blast pipe, and helical baffle is that the spiral shape being arranged inside fixed cylinder is prolonged
The wind shield stretched, the axis of helical baffle are overlapped with the axis of fixed cylinder.
Preferably, helical baffle projects to form one and close to what heat radiation in stove was stopped in the axial direction of blast pipe
Close plane.
Preferably, fixed cylinder and helical baffle are made of refractory metal molybdenum.
The hot gas in furnace body is extracted out by the wind turbine in the first cooling device in the utility model, by the first coil pipe
And second cooling device cooling, realize to the cooling of the level-one of gas, the second cooling device includes the second left side baffle, second
Right-hand apron, the second coil pipe, the second coil pipe realize to the cooling of the two level of gas, the second left side baffle, the second right-hand apron
So that gas S types direction is pierced by the second right-hand apron, and then mitigation of gases flowing velocity, increase gas connects with the second coil pipe for setting
Contacting surface is accumulated, and time of contact is elongated, and improves cooling efficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram of high-temperature atmosphere multiple stage circulation cooled super high sintering temperature stove.
Fig. 2 is the structural schematic diagram of the first coil pipe.
Fig. 3 is the structural schematic diagram of the second cooling device.
Fig. 4 is the internal structure schematic diagram of the second cooling device.
Fig. 5 is the right side structural representation of the second cooling device.
Fig. 6 is the broken section structural schematic diagram of screw thread abat-vent.
In figure:Furnace body 10, gas outlet 11, escape pipe 20, air inlet pipe 30, the first cooling device 40, wind turbine 41, flabellum 42,
First coil pipe 43, water outlet 431, water intake end 432, strong cold tank 44, the second cooling device 50, the second left side baffle 51, second are right
Side shield 52, the second coil pipe 53, third cooling device 60, baffle 61 on the left of third, third right-hand apron 62, third coil pipe 63,
Import butterfly valve 70, exit butterfly valve 80, screw thread abat-vent 90, fixed cylinder 91, helical baffle 92.
Specific implementation mode
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, for this
For the those of ordinary skill of field, without creative efforts, others are can also be obtained according to these attached drawings
Attached drawing.
Referring to Fig. 1 to Fig. 6, the utility model embodiment provides a kind of high-temperature atmosphere multiple stage circulation cooled superhigh temperature burning
Freezing of a furnace, including furnace body 10, escape pipe 20, air inlet pipe 30, the first cooling device 40, the second cooling device 50, furnace body 10 are closing
Furnace body 10, escape pipe 20 and air inlet pipe 30 are separately positioned on the different side wall of furnace body 10, escape pipe 20 and air inlet pipe 30 with
Connection, escape pipe 20 are connect with the gas outlet 11 of furnace body 10 in furnace body 10, and air inlet pipe 30 is connect with the air inlet of furnace body 10, described
First cooling device 40 is arranged between escape pipe 20 and air inlet pipe 30, using the power as gas extraction feeding in furnace body 10
Source, first cooling device 40 include wind turbine 41, flabellum 42, the first coil pipe 43, strong cold tank 44, and the strong cold tank 44 is hollow
One end of sealed shell of tank, strong cold tank 44 is connected to escape pipe 20, and the other end of strong cold tank 44 is connected to air inlet pipe 30, and flabellum 42 is set
It sets inside strong cold tank 44, output end and 42 axis connection of flabellum of wind turbine 41, to drive flabellum 42 to rotate, the setting of the first coil pipe 43
In the air intake of flabellum 42, the first coil pipe 43 is hollow pipe, and cooling circulating water, the second cooling dress are passed through inside the first coil pipe 43
50 settings are set in blast pipe, the second cooling device 50 includes the second left side baffle 51, the second right-hand apron 52, the second coil pipe
53, the second coil pipe 53 is arranged between the second left side baffle 51 and the second right-hand apron 52, and the second coil pipe 53 is hollow pipe, the
It is passed through cooling circulating water inside two coil pipes 53, the second left side baffle 51 and the second right-hand apron 52 are Semicircular baffle, and second
The arc-shaped side of left side baffle 51 and the second right-hand apron 52 is fixedly connected with the inside of escape pipe 20, the second left side baffle 51 and
The straight flange of two right-hand aprons 52 is arranged in parallel, so that the gas entered from 51 left side of the second left side baffle passes through the second coil pipe 53
Afterwards, it is pierced by the second right-hand apron 52, and then mitigation of gases flowing velocity along S types direction, increases gas and is contacted with the second coil pipe 53
Area elongates time of contact, improves cooling efficiency.Second left side baffle 51, the second right-hand apron 52 also have reflective portion gas
The effect of body heat content.
Further, the escape pipe 20 and air inlet pipe 30 are separately positioned on the opposite side wall of furnace body 10, to expand furnace body
Gas flow area in 10.
Further, the second left side baffle 51 and the second right-hand apron 52 are major arc circular slab.That is the second left side baffle 51
Central angle and the central angle of the second right-hand apron 52 be all higher than 180 ° so that the two has lap so that gas is at least other
One baffle and the unhurried current that alters course.
Further, the first coil pipe 43 is the concentric circles coil pipe of copper pipe disk around formation, to increase connecing for gas and coil pipe
Contacting surface is accumulated, and the height of the center of circle exit of the first coil pipe 43 is higher than the edge exit of the first coil pipe 43, the circle of the first coil pipe 43
Heart exit is water outlet 431, and the edge exit of the first coil pipe 43 is water intake end 432, is pressed with being supplied by outer loop water
Power makes 43 inside of the first coil pipe be full of recirculated water, avoids the anhydrous phenomenon of cutout caused by supplying water from high to low so that with first
The gas that coil pipe 43 contacts cannot be cooled.
Further, the high-temperature atmosphere multiple stage circulation cooled super high sintering temperature stove further includes third cooling device 60, the
Three cooling devices 60 are arranged inside water inlet pipe, including baffle 61, third right-hand apron 62, third coil pipe 63 on the left of third, the
Three coil pipes 63 are arranged on the left of third between baffle 61 and third right-hand apron 62, and third coil pipe 63 is hollow pipe, in third disk
Cooling circulating water is passed through inside pipe 63, third left side baffle 61 and third right-hand apron 62 are Semicircular baffle, third left side
The arc-shaped side of baffle 61 and third right-hand apron 62 is fixedly connected with the inside of escape pipe 20, and baffle 61 and third are right on the left of third
The straight flange of side shield 62 is arranged in parallel, so that after the gas entered from 61 left side of baffle on the left of third passes through third coil pipe 63, along S
Type direction is pierced by third right-hand apron 62, and then mitigation of gases flowing velocity, increases gas and 63 contact area of third coil pipe, draws
Long time of contact improves cooling efficiency.Third cooling device 60 plays the role of precooling, is formed cold to the first order of hot gas
But.Third cooling device 60 has identical structure with the second cooling device 50.
When it is implemented, flanged joint between the second cooling device 50 and blast pipe, third cooling device 60 and discharge pipe
Between flanged joint.
Further, the high-temperature atmosphere multiple stage circulation cooled super high sintering temperature stove further includes import butterfly valve 70 and outlet butterfly
Valve 80, import butterfly valve 70 are arranged on escape pipe 20, and exit butterfly valve 80 is arranged in air inlet pipe 30, in sintering furnace sintering work
When, it needs to close air inlet pipe 30 and escape pipe 20, can be realized by import butterfly valve 70 and exit butterfly valve 80.
Further, the high-temperature atmosphere multiple stage circulation cooled super high sintering temperature stove further includes screw thread abat-vent 90, spiral shell
Line abat-vent 90 is arranged in the end for the blast pipe being connect with furnace body 10, and screw thread abat-vent 90 includes fixed cylinder 91, spiral
Baffle 92, fixed cylinder 91 are hollow cylinder, and one end of fixed cylinder 91 is fixedly connected with blast pipe, and helical baffle 92 is setting solid
The axis of the wind shield of spiral extension inside safety barrel 91, helical baffle 92 is overlapped with the axis of fixed cylinder 91.
Further, helical baffle 92 projects to form one and stop heat radiation in stove in the axial direction of blast pipe
It is closed plane.
Further, fixed cylinder 91 and helical baffle 92 are made of refractory metal molybdenum.
The setting of helical baffle 92 when cooling down after sintering, not only has the function of mitigation of gases flowing velocity, and
And airflow direction can be changed, it forms multiple rectangular air-flows and enters the uniform temperature zone in furnace body 10, it is all direct to avoid air-flow
It blows on the sintered products in uniform temperature zone, also solves whole directly blow of air-flow and form the excessive temperature difference on sintered products and cause
The problem of variation of properties of product;Simultaneously in sintering, since furnace heat is to external radiation, the end of blast pipe is exactly one
Weak spot is radiated, heat passes through blast pipe radiation to enter inside pipe, due to blast pipe and 10 outer wall of furnace body and exit butterfly valve 80 etc.
Component is common metal component, and thermal radiation temperature is high in stove, it is easy to cause thermal damage, screw thread abat-vent to these components
90 helical baffle 92 projects to form a closure plane for stopping heat radiation in stove, spiral shell in the axial direction of blast pipe
Baffle 92 is revolved the end barrier of blast pipe can be effectively prevent uniform temperature zone heat to radiate, similarly be also functioned to furnace heat
The lost effect of blocking.
The utility model is related to high temperature sintering furnace sintering work when, in-furnace temperature can reach 1600 DEG C -1900 DEG C, in stove
Component is completely or partially made of refractory metal material, such as molybdenum, tungsten etc..
Module or unit in the utility model embodiment device can be merged, divide and be deleted according to actual needs
Subtract.
Above disclosures are merely preferred embodiments of the utility model, with this utility model cannot be limited certainly
Interest field, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and according to this reality
The equivalent variations made by novel claim, still fall within the scope of the utility model.