CN108277334A - A kind of deep cold treatment apparatus and method - Google Patents
A kind of deep cold treatment apparatus and method Download PDFInfo
- Publication number
- CN108277334A CN108277334A CN201810186006.0A CN201810186006A CN108277334A CN 108277334 A CN108277334 A CN 108277334A CN 201810186006 A CN201810186006 A CN 201810186006A CN 108277334 A CN108277334 A CN 108277334A
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- babinet
- workpiece
- air inlet
- treatment apparatus
- main vent
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/04—Hardening by cooling below 0 degrees Celsius
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
Abstract
A kind of deep cold treatment apparatus of present invention offer and method, wherein equipment include：The babinet of subzero treatment is carried out to workpiece to be handled；Babinet has air inlet and main vent, hot gas enters box house by air inlet, gas in babinet is discharged by main vent, one annular lead channel of side wall setting between the air inlet and main vent of babinet, around babinet, annular lead channel is used for the transporting low temperature medium into babinet, and the plane where the gas of inlet port passes through annular lead channel in babinet is discharged from main vent.A kind of deep cold treatment apparatus provided by the invention and method, cold extra in the middle part of babinet can be blowed to main vent with the flowing of gas, directly it is pre-chilled to workpiece to be handled, realize the continuous recycling of cold, cold is set to obtain fully complete utilize, consumption that can be energy saving improves subzero treatment efficiency；In addition, directly continuous can to workpiece to be handled be risen again and temper, make processing procedure continuous high-efficient.
Description
Technical field
The present invention relates to subzero treatment technical fields, more particularly, to a kind of deep cold treatment apparatus and method.
Background technology
Subzero treatment refers to that material is placed in in certain low temperature environment (- 100 DEG C or less), is carried out according to certain technique
The process of processing.Subzero treatment is of wide application, and for metal material, research and application show that subzero treatment can effectively change
The mechanical performances such as wearability, dimensional stability, intensity and the toughness of kind material extend so as to improve the quality of product
Service life finally reduces production cost.In addition, in field of food for food material, it can be to food using subzero treatment
It is fresh-keeping to carry out cryogenic quick-freezing, extends Food Shelf-life etc..In recent years, subzero treatment technology is in mechanical manufacturing field, fast food freezing
Fresh-keeping equal fields are widely used.
During subzero treatment, technological parameter includes treatment temperature, temperature rate and subsequent temperature etc.
It is the core of the technology, directly decides final treatment effect.Therefore, seem outstanding to the control of processing procedure technological parameter
For necessity.
Deep cold treatment apparatus is a kind of equipment that can carry out heating and cooling and heat preservation to material according to specific technique.Liquid nitrogen
Have many advantages, such as that temperature is low, acquisition is easy, it is at low cost, pollution-free to produce, becomes the system that current deep cold treatment apparatus generally uses
Cryogen.Traditional deep cold treatment apparatus mostly using liquid nitrogen as refrigerant carry out subzero treatment, basic principle be by liquid nitrogen vaporization with
The low temperature nitrogen and material that generate afterwards carry out heat convection, and the temperature of material is reduced with this, by control the supply amount of liquid nitrogen come
Control the temperature of deep cold treatment apparatus.The relatively high low temperature nitrogen of the temperature that exchanged heat in processing procedure is directly discharged to air
In, the temperature that gas is excluded when treatment temperature is relatively low is equally very low, a large amount of wastes of cold is thus caused, particularly with large size
Deep cold treatment apparatus, treating capacity is big, and processing frequency is high, therefore the waste of cold is very big.
Cold cannot recycle after traditional deep cold treatment apparatus processing workpiece, and the discharge of processing procedure cold gas causes cold
The waste of amount is larger；And subzero treatment usually requires to separate progress with subsequent technique, production efficiency is relatively low.
Invention content
The present invention provides a kind of cold after overcoming traditional deep cold treatment apparatus to handle workpiece and cannot recycle, and processing procedure is low
The discharge of warm cold air causes the waste of cold larger；And subzero treatment usually requires to separate progress, production efficiency with subsequent technique
Relatively low problem or a kind of deep cold treatment apparatus to solve the above problems at least partly and method.
According to the first aspect of the invention, a kind of deep cold treatment apparatus is provided, which includes：It carries out to workpiece to be handled
The babinet of subzero treatment；There is the babinet air inlet and main vent, hot gas to enter the babinet by the air inlet
Inside, the gas in the babinet is discharged by the main vent, between the air inlet and main vent of the babinet, ring
Around the one annular lead channel of side wall setting of the babinet, the annular lead channel is used for the transporting low temperature medium into the babinet,
Plane where the gas of inlet port passes through the annular lead channel in the babinet is discharged from the main vent.
On the basis of said program, the shape of the babinet is cylinder, the air inlet and main vent difference
Positioned at the both ends of the babinet, the annular lead channel is located at the middle part of the babinet, and flat where the annular lead channel
Face is axially vertical with the babinet.
On the basis of said program, a kind of deep cold treatment apparatus further includes：Multiple nozzles；The import of the nozzle and institute
It states annular lead channel to be connected, for the spout of the nozzle towards the box house, multiple nozzles are equal along the annular lead channel
The even surrounding for being distributed in the babinet, the annular lead channel are connected with one end of cryogenic delivery pipe, the cryogenic delivery pipe
The other end is connected with cryogenic liquid storage tank, and low temperature regulating valve is connected in series on the cryogenic delivery pipe.
On the basis of said program, a kind of deep cold treatment apparatus further includes：Gas heater and wind turbine；The gas adds
The outlet of hot device is connected with the air inlet, and the entrance of the gas heater is connected with the wind turbine.
On the basis of said program, first baffle is set inside the air inlet, is set inside the main vent
Set second baffle, the madial wall of the first baffle and the babinet is connected, is arranged in parallel and offers more with the air inlet
The madial wall of a aperture, the second baffle and the babinet is connected, is arranged in parallel with the main vent and offers multiple
Aperture.
On the basis of said program, dypass exhaust outlet, dypass exhaust outlet position are offered on the side wall of the babinet
Between the annular lead channel and the air inlet, the dypass exhaust outlet is connected with the first valve.
On the basis of said program, the pending workpiece is placed in hopper, and the box house places multiple material
The wall surface of bucket, the hopper is engraved structure, opens up hopper entrance at main vent in the babinet, is leaned in the babinet
Hopper outlet is opened up at nearly air inlet, the hopper inlet is arranged the first gate, the second gate is arranged at the hopper outlet.
On the basis of said program, a kind of deep cold treatment apparatus further includes：Conveyer belt；The conveyer belt is from the air inlet
Mouthful and the main vent pass through the babinet inside, the pending workpiece be placed on the conveyer belt top, by
Conveyer belt drive is moved.
On the basis of said program, a kind of deep cold treatment apparatus further includes：Temperature sensor, pressure sensor and control
Device；The madial wall of the temperature sensor and the babinet is connected, and the pressure sensor is fixed at the conveyer belt
Lower section and contacted with the conveyer belt, the controller respectively with the low temperature regulating valve, the first valve, wind turbine, conveyer belt, temperature
Sensor, pressure sensor, the first gate and the second gate is spent to be connected.
According to the second aspect of the invention, a kind of processing method based on deep cold treatment apparatus is provided, this method includes：Profit
Directly new pending workpiece is pre-chilled with the cold after subzero treatment to workpiece to be handled；To waiting locating after subzero treatment
Science and engineering part is directly carried out continuously temper.
A kind of deep cold treatment apparatus provided by the invention and method, by the way that annular lead channel to be arranged to the air inlet in babinet
Between main vent, low-temperature space can be formed by intermediate position in babinet and carry out subzero treatment to workpiece to be handled；In babinet
Air inlet be passed through hot gas, babinet main vent be discharged gas, so that the gas in babinet is flowed to main row from inlet port
Cold extra in the middle part of babinet can be blowed to main vent end, directly continuously to pending by gas port end with the flowing of gas
Workpiece is pre-chilled, and realizes the continuous recycling of cold, and cold is enable to obtain fully complete utilization, can be energy saving
Consumption, while improving subzero treatment efficiency.
In addition, the pending workpiece after the middle part locating depth cold treatment of babinet can directly come inlet port and heat sky
Gas carries out heat convection, directly continuous can to workpiece to be handled be risen again and temper, make processing procedure continuous high-efficient,
Subzero treatment efficiency can be improved.
Description of the drawings
Fig. 1 is the structural schematic diagram according to a kind of deep cold treatment apparatus of the embodiment of the present invention；
Fig. 2 is the schematic side view according to a kind of deep cold treatment apparatus of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram according to first baffle in a kind of deep cold treatment apparatus of the embodiment of the present invention；
Fig. 4 is according to technical process schematic diagram in a kind of deep cold treatment apparatus middle case of the embodiment of the present invention；
Fig. 5 is the structural schematic diagram according to a kind of deep cold treatment apparatus of the embodiment of the present invention.
Reference sign：
1-cryogenic liquid storage tank；2-cryogenic delivery pipes；3-low temperature regulating valves；
4-main vents；5-hoppers；6-pending workpiece；
7-hopper entrances；8-babinets；9-annular lead channel；
10-nozzles；11-temperature sensors；12-dypass exhaust outlets；
13-hopper outlets；14-air inlets；15-gas heaters；
16-wind turbines；17-rotating wheels；18-pressure sensors；
19-conveyer belts；20-apertures；21-first baffles.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
The present embodiment provides a kind of deep cold treatment apparatus according to the present invention, and with reference to figure 1, which includes：To pending work
Part 6 carries out the babinet 8 of subzero treatment；There is the babinet 8 air inlet 14 and main vent 4, hot gas to pass through the air inlet
14 enter inside the babinet 8, and the gas in the babinet 8 is discharged by the main vent 4, in the air inlet of the babinet 8
One annular lead channel 9 of side wall setting between mouth 14 and main vent 4, around the babinet 8, the annular lead channel 9 are used for
The transporting low temperature medium into the babinet 8, where the gas at 14 end of air inlet passes through the annular lead channel 9 in the babinet 8
Plane from the main vent 4 be discharged.
A kind of deep cold treatment apparatus provided in this embodiment is mainly passed through cryogenic media to be treated in babinet 8
Handle the subzero treatment of workpiece 6.There are two openings, respectively air inlet 14 and main vent 4 for the tool of babinet 8.Air inlet 14 and master
Exhaust outlet 4 can be connected to the inside and outside of babinet 8.
Annular lead channel 9 is used for transporting low temperature liquid or other cryogenic medias into babinet 8, so that 8 inside of babinet is formed low
Warm environment.With reference to figure 2, annular lead channel 9 is arranged on the side wall of babinet 8, and forms a circle along the side wall of babinet 8, annularly.
The lateral wall that annular lead channel 9 can be located at babinet 8 may be alternatively located at madial wall, as long as can convey cryogenic media from 8 outside of babinet
To inside.
Annular lead channel 9 is located at the intermediate position of babinet 8, can make low temperature between air inlet 14 and main vent 4
Medium enters by intermediate position in babinet 8 from babinet 8, inside babinet 89 attachment of annular lead channel be temperature lowest region.
Side wall by annular lead channel 9 around babinet 8 forms a circle, and annular lead channel 9 is made uniformly to divide along the surrounding of babinet 8
Cloth can make to enter into the cryogenic media of babinet 8 from all directions, keep the Temperature Distribution in babinet 8 more uniform, be conducive to wait for
Handle the uniformity of 6 subzero treatment of workpiece.
Further, it is passed through hot gas into babinet 8 in the air inlet 14 of babinet 8, can is air.The main exhaust of babinet 8
Mouth 4 is for the discharge that gas in babinet 8 can be air.The hot gas being blown into from the air inlet 14 of babinet 8 blows to the main row of babinet 8
Gas port 4.Inside babinet 8, air has from air inlet 14 towards the flow direction of main vent 4.
And the gas in babinet 8 also needs guiding through the plane where annular lead channel 9 in flow process.Because annular into
Temperature near liquid bath 9 in babinet 8 is relatively low, and therefore, the gas at 14 end of air inlet can flow through under the blowing of hot gas in babinet 8
Then low-temperature space is discharged from main vent 4.
To workpiece to be handled 6 carry out subzero treatment when, by pending workpiece 6 from 4 end of main vent of babinet 8 gradually to
It is moved at 14 end of air inlet.Although hot gas blows to main vent 4 from the air inlet 14 of babinet 8, because of cryogenic media meeting
It is delivered to the middle part of babinet 8, still there is lower temperature after so that the gas at 8 intermediate position of babinet is mixed with hot gas.
When pending workpiece 6 is moved near the intermediate position i.e. annular lead channel 9 of babinet 8, carry out at low ambient temperatures
Subzero treatment.Workpiece after subzero treatment will continue to be moved towards 14 end of air inlet, 14 end of air inlet of babinet 8 because
To have hot gas input, temperature higher.Therefore, can continue to carry out the workpiece after subzero treatment at 14 end of air inlet of babinet 8
It rises again and temper.
Further, because inside babinet 8, gas is flowed from air inlet 14 to main vent 4.In babinet 8
Between the cold air at position can also be flowed to the main vent 4 of babinet 8 under the blowing of hot gas.8 intermediate position of babinet is more
Remaining cold can pass through the pending workpiece 6 come from the conveying of 4 end of main vent of babinet 8 successively, and extra cold can be waited locating
Science and engineering part 6 absorbs, and 6 can carry out precooling treatment to workpiece to be handled, realize the continuous recycling of cold, saved the energy and disappeared
Consumption, and subzero treatment efficiency can be improved.
The cold air at the middle part of babinet 8 during the flowing of main vent 4 towards second end, cold can substantially completely by
Pending workpiece 6 absorbs so that the air themperature being discharged from main vent 4 is higher, can reach room temperature, realizes filling for cold
Divide full utilization.
A kind of deep cold treatment apparatus provided in this embodiment, by the way that annular lead channel 9 to be arranged to the middle part in babinet 8
Position can form low-temperature space at the intermediate position of babinet 8 and 6 carry out subzero treatment to workpiece to be handled；It is logical in the air inlet 14 of babinet 8
Enter hot gas, gas is discharged in the main vent 4 of babinet 8, the gas in babinet 8 is made to flow to main vent 4 from air inlet 14, with
Main vent 4 can be blowed to by the extra cold in 8 middle part of babinet by the flowing of gas, directly continuous 6 to carry out to workpiece to be handled
Precooling, realizes the continuous recycling of cold, enable cold obtain it is fully complete utilize, consumption that can be energy saving, together
Shi Tigao subzero treatment efficiency.
In addition, the pending workpiece 6 after the middle part subzero treatment of babinet 8 can directly come 14 end of air inlet and hot gas
Body carries out heat convection, directly continuous 6 can be risen again and temper to workpiece to be handled, keeps processing procedure continuously high
Effect, can be improved subzero treatment efficiency.
Further, the side wall of babinet 8 can be double-layer stainless steel material, and can be filled firmly between double-layer stainless steel interlayer
Matter polyurethane foam heat insulation material, to reduce the lost damage of cold.
On the basis of the above embodiments, further, the shape of the babinet 8 is cylinder, the air inlet 14 and institute
The both ends that main vent 4 is located at the babinet 8 are stated, the annular lead channel 9 is located at the middle part of the babinet 8, and described
The plane at 9 place of annular lead channel is axially vertical with the babinet 8.
The present embodiment is based on above-described embodiment, is further said to the setting of babinet 8 and annular lead channel 9
It is bright.When babinet 8 is cylinder body shape, it is preferable that be equipped with opening, respectively air inlet 14 and main vent at the both ends of babinet 8
4.Annular lead channel 9 is arranged at the middle part of babinet 8, i.e., the middle position between air inlet 14 and main vent 4.
Preferably, by the axially vertical setting of plane and babinet 8 where annular lead channel 9.In this way, cryogenic media can be made
It is equably delivered to inside babinet 8 from all directions of babinet 8, is conducive to being uniformly distributed for temperature in babinet 8, place can be treated
Science and engineering part 6 is preferably handled.
Further, babinet 8 be cylinder, cylinder include cuboid, cylinder or other, this is not limited.
On the basis of the above embodiments, further, a kind of deep cold treatment apparatus further includes：Multiple nozzles 10；It is described
The import of nozzle 10 is connected with the annular lead channel 9, and the spout of the nozzle 10 is towards inside the babinet 8, multiple nozzles
10 are evenly distributed on the surrounding of the babinet 8, the annular lead channel 9 and cryogenic delivery pipe 2 along the annular lead channel 9
One end is connected, and the other end of the cryogenic delivery pipe 2 is connected with cryogenic liquid storage tank 1, is connected in series on the cryogenic delivery pipe 2
Low temperature regulating valve 3.
The present embodiment is based on above-described embodiment, is illustrated to the transmission process of cryogenic media.Outer low temperature is situated between
Matter is stored in cryogenic liquid storage tank 1, and cryogenic liquid storage tank 1 is connected by cryogenic delivery pipe 2 with annular lead channel 9.Low temperature is defeated
Low temperature regulating valve 3 is connected in liquid pipe 2, low temperature regulating valve 3 is used to control the amount of conveyed cryogenic media, by controlling low temperature
The amount of medium can regulate and control the temperature inside babinet 8.
Annular lead channel 9 is connected with multiple nozzles 10, and nozzle 10 is uniformly distributed along the surrounding of babinet 8, to ensure into cartonning
The cryogenic media of body 8 is uniformly distributed.Cryogenic media is delivered to annular lead channel 9 by cryogenic delivery pipe 2, later by each
Nozzle 10 sprays into inside babinet 8.
Nozzle 10 should be able to adapt to cryogenic media, be low-temperature spray nozzle 10.And when cryogenic media is liquid, nozzle 10 can be mist
Change nozzle 10, is sprayed into inside babinet 8 after cryogenic liquid is atomized.
Further, annular lead channel 9 can be to be arranged in 8 surface of babinet or the pipeline in 8 side wall of babinet, pipeline with
Cryogenic delivery pipe 2 is connected, and pipeline is connected by nozzle 10 with 8 inside of babinet.Annular lead channel 9, which is alternatively, is embedded in 8 side wall of babinet
In channel, channel is connected with cryogenic delivery pipe 2, and cryogenic media is delivered in the channel by cryogenic delivery pipe 2, then passes through spray
Mouth 10 sprays into inside babinet 8.
On the basis of the above embodiments, further, a kind of deep cold treatment apparatus further includes：Gas heater 15 and wind
Machine 16；The outlet of the gas heater 15 is connected with the air inlet 14, the entrance of the gas heater 15 and the wind
Machine 16 is connected.
The present embodiment is based on above-described embodiment, and the setting at the air inlet 14 of babinet 8 is illustrated.In air inlet 14
Place is provided with gas heater 15, and hot gas is formed for carrying out heat temperature raising to gas.Wind turbine 16 is used to gas be sky
Gas is evacuated in gas heater 15, and blows to the inside of babinet 8.The also controllable hot gas being blown into inside babinet 8 of wind turbine 16
Flow can regulate and control the temperature inside babinet 8 by adjusting the size of gas flow.
The air come in from wind turbine 16 can be heated to high temperature by gas heater 15, may be, for example, room temperature to temperature it
Between arbitrary temp, realize the heating of workpiece and follow-up temper.
On the basis of the above embodiments, further, with reference to figure 3, first baffle is set inside the air inlet 14
21, second baffle is set inside the main vent 4, and the madial wall of the first baffle 21 and the babinet 8 is connected and institute
It states air inlet 14 and is arranged in parallel and offers multiple apertures 20, the madial wall of the second baffle and the babinet 8 is connected and institute
Main vent 4 is stated to be arranged in parallel and offer multiple apertures.
The present embodiment is based on above-described embodiment, is further said to the setting of air inlet 14 and main vent 4
It is bright.Air inlet 14, which should be, can be connected to the inside and outside opening of babinet 8.Can first gear be set inside the air inlet 14 of babinet 8
Plate 21.First baffle 21 is arranged in the inside of babinet 8, contacts and is connected with the madial wall of babinet 8.
First baffle 21 is plate, has engraved structure.Multiple apertures 20 are offered on first baffle 21, hot-air passes through
Multiple aperture 20 enters inside babinet 8.
Main vent 4 is similarly the inside and outside opening of connection babinet 8.It can the setting the in the main vent 4 of babinet 8
Two baffles.Second baffle is contacted with the madial wall of babinet 8 and is connected equally in the inside of babinet 8.
Second baffle is plate, has engraved structure.Multiple apertures are offered on second baffle, the air in babinet 8 is logical
Cross aperture outflow babinet 8.First baffle 21 and second baffle be can be stainless steel, but this is not construed as limiting.
First baffle 21 and second baffle is respectively set at the both ends of babinet 8, babinet 8 is made to seal better, Ji Nengbao
The normal outflow and outflow of air in hot-air and babinet 8 are demonstrate,proved, while the lost of heat in babinet 8 or cold can be reduced to the greatest extent,
Improve energy utilization efficiency.
Further, the size and number of aperture can be set according to actual needs on first baffle 21 and second baffle, right
This is not construed as limiting.
On the basis of the above embodiments, further, dypass exhaust outlet 12, institute are offered on the side wall of the babinet 8
It states dypass exhaust outlet 12 to be located between the annular lead channel 9 and the air inlet 14,12 and first valve of the dypass exhaust outlet
Door is connected.
The present embodiment is based on above-described embodiment, and dypass exhaust outlet 12 is opened up on the side wall of babinet 8, and it is more to be mainly used for discharge
Remaining hot-air.Dypass exhaust outlet 12 can run through the opening of 8 side wall of babinet for one opened up on the side wall of babinet 8, can make case
Air outflow in body 8.
Dypass exhaust outlet 12 is located between annular lead channel 9 and air inlet 14, close to the air inlet 14 of babinet 8.Because
It is mainly the higher hot-air of temperature in the inside of babinet 8 between annular lead channel 9 and air inlet 14, therefore, is vented from dypass
The gases that mouth 12 is discharged also are mainly hot-air.
Further, dypass exhaust outlet 12 is connected with the first valve, the first valve can be used to control dypass exhaust outlet 12
Either on or off and opening degree.Setting dypass exhaust outlet 12 can be used in babinet 8 that discharge part heat is empty when the temperature is excessively high
Gas is conducive to maintain temperature convenient in babinet 8.
Further, dypass exhaust outlet 12 can be, but not limited to one, and the position specifically installed and number can be according to realities
Border service requirement determines.
On the basis of the above embodiments, further, the pending workpiece 6 is placed in hopper 5, the babinet 8
Multiple hoppers 5 are placed in inside, and the wall surface of the hopper 5 is engraved structure, and material is opened up at main vent 4 in the babinet 8
Struggle against entrance 7, opens up hopper outlet 13 at air inlet 14 in the babinet 8, the first gate is arranged at the hopper entrance 7,
Second gate is set at the hopper outlet 13.
The present embodiment is based on above-described embodiment, and 6 placement to workpiece to be handled is illustrated.Pending workpiece 6 is to put
It sets in multiple hoppers 5, is placed on the inside of babinet 8 jointly with hopper 5.Hopper 5 can be long for the uncovered of bottom and wall surface hollow out
Cube can be stainless steel.The volume and size of hopper 5 are determined according to practical work piece size.The wall surface of hopper 5 and bottom are opened
If aperture, aperture size and quantity are determined according to actual needs.It is pending workpiece in hopper 5.
Hopper 5 or other shapes have accommodating space, hopper 5 or the container for having lid, at this time hopper 5
Head cover also should be engraved structure, offer multiple apertures.It sets hopper 5 to engraved structure, is convenient for pending workpiece 6 and case
Air contact carries out heat convection in body 8, to improve treatment effeciency.
Because pending workpiece 6 is to be moved from 4 end of main vent of babinet 8 to 14 end of air inlet, can be leaned in babinet 8
Hopper entrance 7 is opened up at nearly main vent 4, for hopper 5 and pending workpiece 6 in babinet 8.It is close in babinet 8
Hopper outlet 13 is opened up at air inlet 14, for taking out treated pending workpiece 6 and hopper 5.
Hopper entrance 7 and hopper outlet 13 can be the through-hole being opened on the side wall of babinet 8.
Further, the first gate is set at the hopper entrance 7, second gate is set at the hopper outlet 13.The
One gate and the second gate answer leakproofness good, are closed when that need not feed or discharge.
When needing charging, the first gate should be opened, when needing discharging, the second gate should be opened, after the completion of input and output material
First gate and the second closing gate.First gate is set and the second gate can further improve the sealing performance of babinet 8, is prevented
Cold and heat scatters and disappears in babinet 8.
On the basis of the above embodiments, further, a kind of deep cold treatment apparatus further includes：Conveyer belt 19；The biography
The inside for sending band 19 to pass through the babinet 8 from air inlet 14 and the main vent 4, the pending workpiece 6 are placed on institute
It states the top of conveyer belt 19, moved by conveyer belt drive.
The present embodiment is based on above-described embodiment, is used to drive the movement of pending workpiece 6 provided with conveyer belt 19.In order to increase
By force to the heat insulating ability inside babinet 8, conveyer belt 19 can be arranged in the inside of babinet 8.Conveyer belt 19 can be opened from having for babinet 8
Mouthful both ends, that is, main vent 4 and air inlet 14 pass through, conveyer belt 19, can be by pending workpiece 6 from case by the inside of babinet 8
4 end of main vent of body 8 is moved to 14 end of air inlet.Conveyer belt 19 can be contacted with the inner surface of the lower sidewalls of babinet 8.
Conveyer belt 19 can be wrapped over two rotating wheels 17 at the both ends of babinet 8.Two rotating wheels 17 are located at babinet 8
Both ends, and it is respectively positioned on the outside of babinet 8.Rotating wheel 17 can be connected to the motor, and motor drives rotating wheel 17 to be rotated.Conveyer belt
19 are moved under the drive of rotating wheel 17.
Pending workpiece 6 is placed on directly or by hopper 5 on conveyer belt 19, is contacted with the upper surface of conveyer belt 19,
14 end of air inlet of babinet 8 is moved under the drive of conveyer belt 19 from 4 end of main vent of babinet 8.Conveyer belt 19 is set, it can be square
Just the movement of pending workpiece 6 reduces manpower consumption.
Further, conveyer belt 19 is reticular structure, is formed by connecting by multiple meshes.Because annular lead channel 9 is along case
The side wall of body 8 is arranged in the surrounding of babinet 8, sets conveyer belt 19 to reticular structure, it is ensured that from 19 lower section conveying of conveyer belt
Cryogenic media can be contacted with pending workpiece 6, ensure treatment effect.
Further, it because conveyer belt 19 is penetrated from one end of babinet 8, is pierced by from the other end of babinet 8, and first baffle
21 are separately positioned on second baffle inside the both ends of babinet 8, and first baffle 21 can be contacted with second baffle with conveyer belt 19.For
Ensure the smooth movement of conveyer belt 19, it can be in the place setting high score that conveyer belt 19 is contacted with first baffle 21 and second baffle
The materials such as sub- material or graphite, to ensure in sliding process, conveyer belt 19 can be slided smoothly, while can be improved in babinet 8
The leakproofness in portion prevents cold or thermal loss.
On the basis of the above embodiments, further, a kind of deep cold treatment apparatus further includes：Temperature sensor 11 and pressure
Force snesor 18；The temperature sensor 11 and the madial wall of the babinet 8 are connected, and the pressure sensor 18 is fixed at
It the lower section of the conveyer belt 19 and is contacted with the conveyer belt 19.
The present embodiment is based on above-described embodiment, is additionally arranged temperature sensor 11 and pressure sensor 18, for in babinet 8
Environmental parameter be accurately monitored and controlled.Temperature sensor 11 is fixed at the inside of babinet 8, for monitoring in real time
Environment temperature inside babinet 8.
Pressure sensor 18 is fixed at the lower section of conveyer belt 19, can be used to monitor pending work on conveyer belt 19 in real time
The quality of part 6.
Can multiple temperature sensors 11 and pressure sensor 18 be set in the inside different location of babinet 8, it is specific to be arranged
Position and number can determine according to actual needs.
On the basis of the above embodiments, further, a kind of deep cold treatment apparatus further includes：Controller；The control
Device respectively with low temperature regulating valve 3, the first valve, wind turbine 16, conveyer belt 19, temperature sensor 11, pressure sensor 18, the first lock
Door is connected with the second gate.
The present embodiment is based on above-described embodiment, and controller is arranged, for carrying out essence to each environmental parameter inside babinet 8
It is accurate automatically to control to adjust, ensure to workpiece to be handled 6 treatment effect.Low temperature regulating valve 3 and the first valve can electrically connect
It is connected to controller, controller can regulate and control low temperature regulating valve 3 and the first valve.
The air quantity of wind turbine 16 is adjustable and is electrically connected at controller.Can according at hopper outlet 13 workpiece rise again and after
Continuous tempering needs to provide different air outputs.Wind turbine 16 can be assisted to being controlled into trip temperature in babinet 8 simultaneously, when temperature is too high,
Reduce 16 hot-air air quantity of wind turbine, temperature is assisted to decline；When temperature is too low, increase hot-air air quantity in the wind turbine 16, assists
Make temperature rise；It is final to realize accurately controlling for workpiece required temperature.
19 start and stop of conveyer belt are adjustable and are electrically connected at controller.It can be controlled by controller after starting conveyer belt 19 every time
Then the mobile distance for being equivalent to 5 width of hopper of transmission stops, average each start and stop interval be no less than pass in and out hopper 5 when
Between.
Temperature sensor 11 is used to obtain the temperature inside babinet 8, and temperature signal is sent to controller, and controller is logical
Cross the supply of the control cryogenic media of feedback regulation low temperature regulating valve 3, the hot-air intake and dypass exhaust outlet 12 of wind turbine 16
Exhaust air rate, realize babinet 8 in workpiece temperature reach requirement.When temperature is too high, increase cryogenic media supply, reduces wind turbine 16
Interior hot-air air quantity increases 12 exhaust air rate of dypass exhaust outlet, temperature is made to decline；When temperature is too low, reduce cryogenic media supply,
Increase hot-air air quantity in the wind turbine 16, reduces 12 exhaust air rate of dypass exhaust outlet, make temperature rise；It is final to realize to workpiece control
Temperature.
Pressure sensor 18 is used to obtain the hopper 5 and workpiece gross mass on conveyer belt 19, and quality is back to control
Device, the start and stop of controller feedback regulation conveyer belt 19.Controller is also electrically connected with the first gate and the second gate, control the
The opening and closing of one gate and the second gate.
Treated for a collection of workpiece before making full use of for later batch workpiece in babinet 8 between annular lead channel 9 and second end
Cold carries out subzero treatment, and the control of 8 temperature of babinet is realized by the coupling control of 16 air quantity of wind turbine and the cryogenic media amount of feeding
System.Later batch workpiece refers to the workpiece close to second end, and preceding a batch workpiece refers to the workpiece close to first end.
On the basis of the above embodiments, further, a kind of place based on deep cold treatment apparatus is provided according to the present invention
Reason method, this method include：Directly new pending workpiece 6 is carried out using the cold after 6 subzero treatments to workpiece to be handled
Precooling；Temper is directly carried out continuously to the pending workpiece 6 after subzero treatment.
A kind of processing method based on deep cold treatment apparatus provided in this embodiment, by cold extra after subzero treatment
It is directly used in and is pre-chilled to workpiece to be handled, to realize the abundant recycling of cold, and workpiece is pre-chilled, is conducive to
Improve subzero treatment efficiency；In addition, the workpiece after subzero treatment is directly continuously carried out temper, technical process is made to become
It obtains continuously, efficiency can be improved.
Further, a kind of processing method based on deep cold treatment apparatus further includes：Middle part of the cryogenic media from babinet 8
Position is delivered to inside babinet 8；Hot-air is blown by wind turbine in one end of babinet 8.Gas in babinet 8 is blowed to case by hot-air
The other end of body 8, and it is intermediate across subzero treatment area.Intermediate subzero treatment area is that temperature is relatively low, 6 is carried out to workpiece to be handled
The region of subzero treatment.
Further, a kind of processing method based on deep cold treatment apparatus further includes：Pending workpiece 6 is another from babinet 8
One end is moved to one end of babinet 8.
On the basis of the above embodiments, further, a kind of deep cold treatment apparatus includes：Cryogenic liquid storage tank 1, low temperature
Woven hose 2, low temperature regulating valve 3, babinet 8, hopper 5, temperature sensor 11, pressure sensor 18 and controller, cryogenic media are
Liquid nitrogen.
When handling workpiece, cryogenic liquid passes through 10 mist of liquid nitrogen nozzle from the annular space at 8 middle part of deep cold treatment apparatus babinet
It is uniformly injected into from surrounding to 8 space of babinet after change.Then it carries out heat exchange with processed workpiece and realizes subzero treatment process.Control
Device realizes having for cryogenic liquid by minimum temperature in the middle part of deep cooling box to control the aperture that low temperature regulating valve 3 can be low-temperature solenoid valve
Sequence supplies, the minimum temperature of final control system.
Controller by wind turbine 16 adjust hot-air flow and temperature-controlled cabinet body 8 close to first end workpiece temperature and
Temperature gradient in babinet 8.Conveyer belt 19 is set in deep cold treatment apparatus babinet 8,6 workpiece of pending workpiece in hopper 5 with
Subzero treatment and subsequent temper can be carried out continuously by conveyer belt 19.The cold of 8 middle part workpiece of babinet passes through wind turbine 16
Effect be transferred to the workpiece of second end step by step and utilized, to ensure making full use of for cold during continuous processing.Solution
Existing deep cold treatment apparatus processing cold of having determined wastes the serious and discontinuous disadvantage of processing procedure.This invention is for material
It is energy saving when subzero treatment, reduce cost and be of great significance.
Further, babinet 8 can be horizontal, i.e., babinet 8 is horizontal positioned, and left and right ends have opening.It can be by a left side for babinet 8
End is set as main vent 4, and the right end of babinet 8 is set as air inlet 14.Babinet 8 adds including hopper entrance 7, hopper outlet 13, gas
Hot device 15, annular lead channel 9, nozzle 10, air inlet 14, main vent 4, dypass exhaust outlet 12, wind turbine 16 and conveyer belt 19.
Babinet 8 can be, but not limited to rectangular-shape, and 8 left and right ends of babinet are respectively main vent 4 and gas heater 15.
The top of the babinet 8 at 4 end of main vent is hopper entrance 7, and the top at 15 end of gas heater is hopper outlet 13.Air inlet 14
Positioned at 15 inside of gas heater, air is entered by gas heater 15 in air inlet 14 by wind turbine 16, into babinet 8.
Conveyer belt 19 runs through air inlet 14 and exhaust outlet.Annular lead channel 9 is arranged along 8 surrounding of babinet.Nozzle 10 along
The setting of annular lead channel 9 is covered with 8 surrounding of babinet, and the import of cryogenic liquid nozzle 10 is connected to annular lead channel 9, the spray of nozzle 10
Mouth is contained in babinet 8.Dypass exhaust outlet 12 is set between annular lead channel 9 and hopper outlet 13.13 end of hopper outlet is logical
It crosses gas heater 15 and makes hot wind and workpiece carry out heat convection by the effect of wind turbine 16, so as to be returned to workpiece
Fire processing.
Bottom of the conveyer belt 19 in babinet 8 transports the hopper 5 for having filled pending workpiece 6 from left end to right end, waits locating
Science and engineering part 6 carries out subzero treatment and temper of rising again successively.
Dypass exhaust outlet 12 is connected with the first valve, and the first valve can be butterfly valve.Extra hot-air can be vented from dypass
Mouth 12 is discharged.
Controller carries out comprehensive regulation to the environmental parameter in babinet 8, such as temperature.Temperature in babinet 8 is by control
The deep cooling of workpiece processing can be achieved after device adjustment, the functions such as keep the temperature, rise again and be tempered.Subzero treatment and follow-up temper technique
Process can be, but not limited to shown in Fig. 4.With reference to figure 4, abscissa indicates that the length of babinet 8, arrow are directed toward the right end of babinet 8.It is vertical
Coordinate representation temperature.
At the middle part of babinet 8 because cryogenic media is delivered to by annular lead channel 9 inside babinet 8, therefore temperature compared with
It is low, it is temperature lowest region in babinet 8, pending workpiece 6 carries out subzero treatment in this region.The cold at 8 middle part of babinet is hot empty
It under the blowing of gas, is gradually moved to left end, therefore, from the middle part of babinet 8 to 4 end of left end, that is, main vent of babinet 8, temperature
Degree gradually rises, and the air themperature being discharged from main vent 4 can reach room temperature.
In the right end of babinet 8, i.e. 14 end of air inlet, because there is the input of hot-air, temperature is higher.Heat at air inlet 14
Air themperature can be room temperature to any one temperature between temperature.
The present embodiment overcomes existing deep cold treatment apparatus low-temperature gas discharge to lead to cold consumption, cold according to the present invention
The shortcomings that amount cannot recycle devises a kind of continous way deep cold treatment apparatus with cold recovery and tempering function, should
Continous way deep cold treatment apparatus is sprayed into from the annular lead channel 9 of babinet 8 in equipment using cryogenic media；The equipment can make full use of
Workpiece and the cold of equipment carry out subzero treatment to next group workpiece after last consignment of has been handled, to realize the recycling profit of cold
With, realize that the continuous utilization of processing procedure cold is almost lossless, it is final to reduce cryogenic liquid consumption, energy consumption is reduced, meanwhile, deep cooling
The workpiece handled continuously realizes that conventional supplement after subzero treatment is tempered by tempering function, ensure that entire processing procedure
Continuity.
The continous way deep cold treatment apparatus can be using cryogenic liquid as refrigerant, and cryogenic liquid range is very wide, Low Temperature Liquid
Body can be, but not limited to liquid nitrogen, other cryogens such as liquid hydrogen, liquid helium, liquid air can be used as the low-temperature receiver of subzero treatment.Example
Such as when making refrigerant using liquid nitrogen, temperature temperature control section can be 180 DEG C of -196 DEG C~temperature in deep cooling babinet 8；When
When making refrigerant using liquid helium, temperature temperature control section becomes -268~180 DEG C in deep cooling babinet 8, the selection of specific cryogenic liquid
It is determined according to actually required temperature range.
Using liquid nitrogen as refrigerant, of low cost, non-environmental-pollution is easy to operate.The liquid-phase outlet of liquid nitrogen storage tank connects
It is connected to one end of cryogenic delivery pipe 2, low temperature regulating valve 3 is installed on the pipeline of cryogenic delivery pipe 2, low temperature regulating valve 3 electrically connects
It is connected to the controller, the other end of cryogenic delivery pipe 2 is connected to the annular liquid nitrogen lead channel of babinet 8, and temperature sensor 11 is set
It is placed in deep cooling babinet 8 and is electrically connected at controller.Heating is blown into hot-air using wind turbine 16, the technique ginseng in processing procedure
Number can carry out remote control by computer.
The air come in from wind turbine 16 can be heated to high temperature by gas heater 15, can be room temperature~180 DEG C, to carry out
The control of 8 temperature of babinet and carry out the temper after deep cooling, specific tempering temperature value is risen again process institute according to pending workpiece 6
Depending on the temperature needed.
Wherein, the air quantity of wind turbine 16 is adjustable and is electrically connected at the controller, can provide different air outputs, realizes material
Workpiece at bucket outlet 13 is risen again and the temper after subzero treatment.It can assist to carrying out temperature control in the deep cooling box simultaneously：
When temperature is too high, reduce hot-air air quantity in wind turbine 16, temperature is assisted to decline；When temperature is too low, increase hot in the wind turbine 16
Air air quantity, assistance make temperature rise；It is final to realize 8 temperature of babinet accurately controlling in -196~180 DEG C of temperature ranges.
Controller realizes babinet by the coupling control of 12 exhaust air rate of 16 air quantity of wind turbine, the liquid nitrogen amount of feeding and dypass exhaust outlet
The control of 8 temperature.
The specific workflow of deep cold treatment apparatus provided in this embodiment is：Pending workpiece 6 is placed on each material
In bucket 5.Corresponding temperature lowering curve is set on the controller according to technological requirement.It opens conveyer belt 19 to switch, successively by each hopper 5
It is placed on conveyer belt 19.Signal is transmitted to control by the pressure sensor 18 when piling hopper 5 on conveyer belt 19 under conveyer belt 19
Device, 19 automatic start-stop of conveyer belt.
The provider switch of liquid nitrogen storage tank is opened, high-pressure liquid nitrogen (0.6MPa-1.6MPa) enters low temperature infusion from liquid nitrogen storage tank
Pipe 2 enters inside babinet 8, cooling down workpiece after flowing through low temperature regulating valve 3 at nozzle 10.
Workpiece temperature is detected by temperature sensor 11 in deep cooling babinet 8, and is compared with predetermined process, control is passed through
Low temperature regulating valve 3,16 air quantity of wind turbine and 12 air quantity of dypass exhaust outlet is adjusted in device.When cryogenic temperature is too high, tune up low
3 aperture of warm regulating valve, then liquid nitrogen flow increase, input cold increase；When cryogenic temperature is too low, turns low temperature regulating valve 3 down and open
Degree, then liquid nitrogen flow increasing is small, and input cold is reduced, and final workpiece temperature reaches predetermined value.After the completion of subzero treatment, controller
16 air quantity of air-heater is opened greatly, 19 right end workpiece of conveyer belt is risen again and temper, while the workpiece of 19 right end of conveyer belt
Cold, which is blown on the workpiece of left end, continues with workpiece.
It takes out 19 right end subzero treatment of conveyer belt and completes the workpiece hopper 5 risen again, 19 elevating hopper of conveyer belt, 5 quantity subtracts
Few, quality reduces；Signal is transmitted to controller by pressure sensor 18, and controller starts a conveyer belt 19, and conveyer belt 19 is forward
The mobile distance for being equivalent to a hopper 5；New pending workpiece hopper 5 is put into 19 left end of conveyer belt.So cycle.
By the aperture of controller feedback regulation low temperature regulating valve 3, liquid nitrogen supply, hot-air intake are increased or reduced
With 12 air quantity of dypass exhaust outlet, that realizes temperature in deep cooling babinet 8 accurately controls into section -196~180 DEG C any needs
Value.Two purposes are realized by the air quantity and 12 air force of dypass exhaust outlet of controller feedback regulation air-heater 16：First, real
Existing workpiece rise again and deep cooling after temper, while cold wind takes cold on next group workpiece to；Second is that assisting to realize case
Interior temperature control when temperature is too high, reduces hot-air air quantity in wind turbine 16, increases 12 air quantity of dypass exhaust outlet, temperature is assisted to decline；Temperature
When degree is too low, increase hot-air air quantity in the wind turbine 16, reduce 12 air quantity of dypass exhaust outlet, assistance makes temperature rise.Pass through
The start and stop of ultramagnifier feedback regulation conveyer belt 19 are controlled, realize 5 quantity of hopper for keeping full weight on conveyer belt 19.
Further, deep cold treatment apparatus babinet 8 is not limited only to horizontal, babinet 8 can also be made it is vertical, with reference to figure 5, case
Body 8 is erect, and 8 upper end of babinet is feed inlet and main vent 4, and lower end is discharge port and air inlet 14.For the work of viscosity very little
Part can remove conveyer belt 19 and hopper 5, and declining discharging by workpiece its own gravity completes serialization operation.In some cases
Discharge port can be done to funnel closing in.
Liquid nitrogen storage tank, low temperature regulating valve 3, annular lead channel 9, wind turbine 16, gas heater 15, the air inlet of the device
14, the arrangement of components such as main vent 4, dypass exhaust outlet 12, temperature sensor 11 and controller and aforementioned horizontal depth
Cold treatment equipment is similar, and temperature control and operation flow field are also identical, requires to determine with specific reference to actual process such as required temperature sections,
This is repeated no more.
The workpiece of deep cold treatment apparatus processing can be, but not limited to metal, plastics, food and drug etc. and need low-temperature treatment
Object.
The present embodiment has opened up air inlet 14,9 and of annular lead channel according to deep cold treatment apparatus provided by the invention
Main vent 4.When handling workpiece, cryogenic liquid is sprayed from annular lead channel 9 from equipment surrounding by nozzle 10 and and hot-air
Mixing, makes the low temperature environment for maintaining to need in deep cooling babinet 8, and subzero treatment is carried out to workpiece.The hot wind of hot-air can be continuously
Temper is carried out to the workpiece in 5 exit of hopper.In this way, workpiece has been carried out continuously deep cooling and subsequent temper, spray
Cryogenic liquid, carry out heat convection on the workpiece that enters after being blown to by hot-air of the cold in cold air and workpiece so that cold
Continuously recycled.
The deep cold treatment apparatus be provided with controller, controller by feedback regulation cryogenic liquid supply, hot-air into
12 exhaust air rate of air quantity and dypass exhaust outlet realizes that interior workpiece temperature reaches requirement.Temperature control relies primarily on cryogenic liquid input in case
It completes, while 16 air quantity of wind turbine does micro adjustment and can also assist in temperature control.When temperature is too high, reduce 16 hot-air wind of the wind turbine
Amount assists temperature to decline；When temperature is too low, increase hot-air air quantity in the wind turbine 16, assistance makes temperature rise；It is final to realize
Workpiece required temperature accurately controls.
Conveyer belt 19 is provided in the deep cold treatment apparatus, the pending workpiece 6 in hopper 5 can connect with conveyer belt 19
Continuous progress subzero treatment and subsequent temper, cold continuously utilize, and without being opened the door and being closed the door to equipment repeatedly, save
Manpower.
The deep cold treatment apparatus can fully recycle cryogenic gas under the premise of ensureing deep cold treatment apparatus performance
Cold reduces energy consumption, while serialization carries out subzero treatment and temper, to significantly improve production efficiency.
Finally, the present processes are only preferable embodiment, are not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in the protection of the present invention
Within the scope of.
Claims (10)
1. a kind of deep cold treatment apparatus, which is characterized in that including：The babinet of subzero treatment is carried out to workpiece to be handled；The case
There is body air inlet and main vent, hot gas to enter the box house, the gas in the babinet by the air inlet
It is discharged by the main vent, the side wall between the air inlet and main vent of the babinet, around the babinet is arranged
One annular lead channel, the annular lead channel are used for the transporting low temperature medium into the babinet, inlet port in the babinet
Plane where gas passes through the annular lead channel is discharged from the main vent.
2. deep cold treatment apparatus according to claim 1, which is characterized in that the shape of the babinet be cylinder, it is described into
Gas port and the main vent are located at the both ends of the babinet, and the annular lead channel is located at the middle part of the babinet, and
Plane and the babinet where the annular lead channel it is axially vertical.
3. deep cold treatment apparatus according to claim 1 or 2, which is characterized in that further include：Multiple nozzles；The nozzle
Import be connected with the annular lead channel, the spout of the nozzle is towards the box house, and multiple nozzles are along the ring
Shape lead channel is evenly distributed on the surrounding of the babinet, and the annular lead channel is connected with one end of cryogenic delivery pipe, described low
The other end of warm woven hose is connected with cryogenic liquid storage tank, and low temperature regulating valve is connected in series on the cryogenic delivery pipe.
4. deep cold treatment apparatus according to claim 3, which is characterized in that further include：Gas heater and wind turbine；It is described
The outlet of gas heater is connected with the air inlet, and the entrance of the gas heater is connected with the wind turbine.
5. deep cold treatment apparatus according to claim 1 or 2 or 4, which is characterized in that is arranged inside the air inlet
One baffle, is arranged second baffle inside the main vent, and the madial wall of the first baffle and the babinet is connected and institute
State air inlet and be arranged in parallel and offer multiple apertures, the madial wall of the second baffle and the babinet is connected, with the master
Exhaust outlet is arranged in parallel and offers multiple apertures.
6. deep cold treatment apparatus according to claim 4, which is characterized in that offer dypass row on the side wall of the babinet
Gas port, the dypass exhaust outlet are located between the annular lead channel and the air inlet, the dypass exhaust outlet and the first valve
Door is connected.
7. deep cold treatment apparatus according to claim 6, which is characterized in that the pending workpiece is placed in hopper,
The box house places multiple hoppers, and the wall surface of the hopper is engraved structure, is opened at main vent in the babinet
If hopper entrance, hopper outlet is opened up at air inlet in the babinet, the first gate is arranged in the hopper inlet, described
Second gate is set at hopper outlet.
8. deep cold treatment apparatus according to claim 7, which is characterized in that further include：Conveyer belt；The conveyer belt is from institute
It states air inlet and the main vent passes through the inside of the babinet, the pending workpiece to be placed on the upper of the conveyer belt
Side is moved by conveyer belt drive.
9. deep cold treatment apparatus according to claim 8, which is characterized in that further include：Temperature sensor, pressure sensor
And controller；The madial wall of the temperature sensor and the babinet is connected, and the pressure sensor is fixed at the biography
Send the lower section of band and contacted with the conveyer belt, the controller respectively with the low temperature regulating valve, the first valve, wind turbine, biography
Band, temperature sensor, pressure sensor, the first gate and the second gate is sent to be connected.
10. a kind of processing method based on deep cold treatment apparatus, which is characterized in that using after subzero treatment to workpiece to be handled
Cold is directly pre-chilled new pending workpiece；Pending workpiece after subzero treatment is directly carried out continuously at tempering
Reason.
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| CN108676982A (en) * | 2018-07-23 | 2018-10-19 | 郭甜甜 | A kind of stabiliser bar process for quenching |
| CN110425819A (en) * | 2019-08-20 | 2019-11-08 | 中国科学院理化技术研究所 | A kind of cryogenic treatment apparatus |
| CN111424223A (en) * | 2020-04-13 | 2020-07-17 | 贵州工程应用技术学院 | Composite cryogenic treatment method for improving microstructure and performance of aluminum bronze |
| CN111647731A (en) * | 2019-12-25 | 2020-09-11 | 武汉善福重型机床有限公司 | Cryogenic treatment method for ultra-large stainless steel structural member |
| CN113106207A (en) * | 2021-04-20 | 2021-07-13 | 吉安锐迈管道配件有限公司 | Quenching cooling process for ultralow-temperature 9Ni steel through heat treatment |
| CN115183513A (en) * | 2022-07-21 | 2022-10-14 | 绍兴老鹰冷冻设备有限公司 | Ultra-low temperature tunnel type instant freezer for cold chain fresh-keeping and quick freezing |
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| CN113106207A (en) * | 2021-04-20 | 2021-07-13 | 吉安锐迈管道配件有限公司 | Quenching cooling process for ultralow-temperature 9Ni steel through heat treatment |
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| CN115183513A (en) * | 2022-07-21 | 2022-10-14 | 绍兴老鹰冷冻设备有限公司 | Ultra-low temperature tunnel type instant freezer for cold chain fresh-keeping and quick freezing |
| CN115183513B (en) * | 2022-07-21 | 2023-12-15 | 绍兴老鹰冷冻设备有限公司 | Ultralow-temperature tunnel type instant freezer for cold chain fresh-keeping and quick freezing |
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