CN108168206A - A kind of 8L container cryogenic systems of force-loose transmission of heat by contact - Google Patents

A kind of 8L container cryogenic systems of force-loose transmission of heat by contact Download PDF

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Publication number
CN108168206A
CN108168206A CN201711131007.7A CN201711131007A CN108168206A CN 108168206 A CN108168206 A CN 108168206A CN 201711131007 A CN201711131007 A CN 201711131007A CN 108168206 A CN108168206 A CN 108168206A
Authority
CN
China
Prior art keywords
evaporator
container
adjustable
side wall
heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711131007.7A
Other languages
Chinese (zh)
Inventor
吉辉
车军
田静萍
饶毅
农国卫
罗杰元
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
New Energy Nuclear Industry Engineering Co Ltd Of China National Nuclear Corp
Original Assignee
New Energy Nuclear Industry Engineering Co Ltd Of China National Nuclear Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by New Energy Nuclear Industry Engineering Co Ltd Of China National Nuclear Corp filed Critical New Energy Nuclear Industry Engineering Co Ltd Of China National Nuclear Corp
Priority to CN201711131007.7A priority Critical patent/CN108168206A/en
Publication of CN108168206A publication Critical patent/CN108168206A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D31/00Other cooling or freezing apparatus
    • F25D31/006Other cooling or freezing apparatus specially adapted for cooling receptacles, e.g. tanks
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00Evaporators; Condensers
    • F25B39/02Evaporators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • F25D23/006General constructional features for mounting refrigerating machinery components
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00Charging, supporting, and discharging the articles to be cooled
    • F25D25/005Charging, supporting, and discharging the articles to be cooled using containers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2323/00General constructional features not provided for in other groups of this subclass
    • F25D2323/002Details for cooling refrigerating machinery
    • F25D2323/0027Details for cooling refrigerating machinery characterised by the out-flowing air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/36Visual displays
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/38Refrigerating devices characterised by wheels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00Means for sensing or measuring; Sensors therefor
    • F25D2700/10Sensors measuring the temperature of the evaporator

Abstract

The present invention provides a kind of 8L container cryogenic systems of force-loose transmission of heat by contact.The adjustable expander of cold is provided for 8L containers and for it on the left of the deep cooling babinet of the device, right side is the refrigeration and detecting and controlling system being connect with adjustable expander;The adjustable expander includes that evaporating pan is fixed in bottom, side wall fixes evaporator, side wall is adjustable evaporator, rotary shaft and rotary take-up;Wherein, bottom fixes evaporator and is used to support 8L containers, and provide cold for container bottom;8L container side walls half fixes evaporator cladding by side wall, the other half is coated by the adjustable evaporator of side wall, and side wall is adjustable, and evaporator left-side is rotated around rotary shaft, and right side is contacted by the adjustable evaporator of rotary take-up adjusting with 8L containers and pine moves back.The present invention no longer needs manually to fill liquid nitrogen, mitigates the labor intensity of operating personnel, stable and reliable operation, energy-efficient, convenient for disassembly and assembly.

Description

A kind of 8L container cryogenic systems of force-loose transmission of heat by contact
Technical field
The invention belongs to uranium enriching plant's reclaiming technology technical fields, and in particular to a kind of 8L of force-loose transmission of heat by contact holds Device cryogenic system provides low temperature environment for enriched uranium feeding and purifying vessel.
Background technology
Traditional condensation process of Uranium enrichment plant's enriched uranium feeding container is liquid nitrogen frozen technique.Its freezing equipment uses enlightening watt Feeding container when working is immersed directly in the liquid nitrogen in enlightening watt bottle (- 196 DEG C), is interrupted in reclaiming process to enlightening by bottle, feeding Filling liquid nitrogen in watt bottle ensures that container contents condense institute's chilling requirement by adjusting liquid level.Expand to meet enriched uranium production capacity Greatly to the requirement of reclaiming capacity, feeding and purifying vessel that 8L containers are used as enriched uranium are developed.Condensation to realize 8L containers takes Freezing equipment need to be configured for it in material.
Main problem existing for traditional enriched uranium reclaiming technology is as follows:
(1) using the refrigerating process of enlightening watt bottle filling liquid nitrogen, it is entirely manual operation, manually monitors liquid nitrogen level, temperature Fluctuation range is big, and operation is low with controlled level;
(2) it is more to throw cold and rewinding process liquid nitrogen consumption, and a large amount of liquid nitrogen natural evaporations, the effective rate of utilization of cold is low, Reclaimer system is run less economical;
(3) filling liquid nitrogen process needs personnel closely to operate, and dose of radiation is higher suffered by staff, the labor of operating personnel Fatigue resistance is big, and there are the security risks such as low temperature scald, and workshop working environment is poor, and the safety of reclaimer system operation is low.
With the production-scale expansion of enriched uranium, the turnover of feeding container is more frequent, if 8L containers are still cold using liquid nitrogen Freeze technique, the above problem will be protruded more.
Invention content
The purpose of the present invention is to provide a kind of 8L container cryogenic systems of force-loose transmission of heat by contact, to meet concentration at present The widened feeding demand of uranium production scale, while improve safety, economy and the automatization level of reclaimer system operation.
Achieve the object of the present invention technical solution:A kind of 8L container cryogenic systems of force-loose transmission of heat by contact, the device The adjustable expander of cold is provided for 8L containers and for it on the left of deep cooling babinet, right side is the system being connect with adjustable expander Cold and detecting and controlling system;The adjustable expander fixes evaporating pan including bottom, side wall fixes evaporator, side wall is adjustable Evaporator, rotary shaft and rotary take-up;Wherein, bottom fixes evaporator and is used to support 8L containers, and is container bottom Cold is provided;8L container side walls half fixes evaporator cladding by side wall, the other half is coated by the adjustable evaporator of side wall, and side wall can Evaporator left-side is adjusted to be rotated around rotary shaft, right side is contacted by the adjustable evaporator of rotary take-up adjusting with 8L containers and pine It moves back.
A kind of 8L container cryogenic systems of force-loose transmission of heat by contact as described above, described in the setting of the deep cooling bottom of box The movable pulley and support element being used to support.
A kind of 8L container cryogenic systems of force-loose transmission of heat by contact as described above, described in deep cooling babinet forepart and the right side End wall surface is provided with the handle for babinet movement.
A kind of 8L container cryogenic systems of force-loose transmission of heat by contact as described above, described in deep cooling babinet on rear side of be scattered Air-heater.
A kind of 8L container cryogenic systems of force-loose transmission of heat by contact as described above, described in the setting of deep cooling top of the box Air-returning device draws the 8L container tops that cooling fan a small amount of hot wind blows to refrigeration work.
A kind of 8L container cryogenic systems of force-loose transmission of heat by contact as described above, the work of the 8L container cryogenic systems Temperature range:- 120 DEG C~-170 DEG C, to meet concentration feeding and purification technological requirement.
A kind of 8L container cryogenic systems of force-loose transmission of heat by contact as described above, described in bottom fix evaporating pan and be Independent evaporating pan so that material increases in container bottom condensation number, is conducive to increase the rewinding ability of container.
A kind of 8L container cryogenic systems of force-loose transmission of heat by contact as described above, the 8L containers are worked with cryogenic system When, the adjustable evaporator of side wall along rotary shaft is adjusted by rotary take-up, makes the 8L container outer walls of refrigeration work Evaporator is fixed with side wall and the adjustable evaporator of side wall is in close contact.
A kind of 8L container cryogenic systems of force-loose transmission of heat by contact as described above, described in refrigeration and detection control system System connection adjustable expander, is controlled by Intelligence Feedback, realizes control temperature accuracy to 0.1 DEG C.
A kind of 8L container cryogenic systems of force-loose transmission of heat by contact as described above, described in the setting of deep cooling top of the box Touch display control screen, the refrigeration and detecting and controlling system connect touch display control screen.
Effect of the invention is that:A kind of 8L container cryogenic systems of force-loose transmission of heat by contact of the present invention, 8L The condensation feeding of container is changed to -120 DEG C~-170 DEG C of low-temperature deep device by liquid nitrogen frozen, and energy-saving effect is apparent, reduces fortune Row expense.Apparatus of the present invention control temperature accuracy can be to 0.1 DEG C, and liquid nitrogen level is manually monitored when avoiding using enlightening watt bottle may Caused by temperature fluctuation problem.The present invention no longer needs manually to fill liquid nitrogen, mitigates the labor intensity of operating personnel, avoids operating Liquid nitrogen frostbite occupational hazards caused by personnel are possible, while also improve working environment.The present invention has stable and reliable operation, height Imitate the advantages that energy saving, tranquility environmental protection.The present invention greatly improves the heat transfer efficiency of evaporator and 8L container outer walls in cryogenic system. It is computed, after which clamps with container outer wall, heat transfer efficiency improves about decades of times.Prototype test test is found, is answered With the 8L container cryogenic systems of force-loose transmission of heat by contact, when other conditions are identical, 8L containers are in continuous feeding under setting flow Between be increased to 13 hours or more by 3 hours, and the dismounting of container is very convenient.
Description of the drawings
Fig. 1 is a kind of 8L container cryogenic system front views of force-loose transmission of heat by contact of the present invention;
Fig. 2 is the 8L containers cryogenic system vertical view and fragmentary sectional view of a kind of force-loose transmission of heat by contact of the present invention;
Fig. 3 is 8L container cryogenic system side views and the fragmentary sectional view of a kind of force-loose transmission of heat by contact of the present invention;
In figure:1. deep cooling babinet;2. handle;3. air-returning device;4. touch display control screen;5. rotary elastic dress It puts;6. movable pulley and support element;7.8L container;8. cooling fan;9. refrigeration and detecting and controlling system;10. evaporation that side wall is adjustable Device;11. rotary shaft;12. side wall fixes evaporator;13. evaporating pan is fixed in bottom.
Specific embodiment
In the following with reference to the drawings and specific embodiments to a kind of 8L container deep coolings of force-loose transmission of heat by contact of the present invention Device is further described.
As shown in Figure 1 to Figure 3, the 8L container cryogenic systems of a kind of force-loose transmission of heat by contact of the present invention, the device The left side of deep cooling babinet 1 provide the adjustable expander of cold for 8L containers 7 and for it, right side is to be connect with adjustable expander Refrigeration and detecting and controlling system 9;The adjustable expander includes bottom and fixes evaporating pan 13, side wall fixation evaporator 12nd, the adjustable evaporator 10 of side wall, rotary shaft 11 and rotary take-up 5;Wherein, bottom fixes evaporator and is used to support 8L appearances Device 7, and provide cold for container bottom;7 side wall half of 8L containers is fixed evaporator 12 by side wall and is coated, the other half can by side wall Evaporator 10 is adjusted to coat, side wall is adjustable, and 10 left-side of evaporator is rotated around rotary shaft 11, and right side is adjusted by rotary take-up 5 Adjustable evaporator is contacted with 8L containers and pine moves back.It is independent evaporating pan that evaporating pan 13 is fixed in bottom so that material is in container bottom Condensation number increases, and is conducive to increase the rewinding ability of container.
The movable pulley and support element 6 that 1 bottom of the deep cooling babinet setting is used to support.1 forepart of deep cooling babinet and right end Wall surface is provided with the handle 2 for babinet movement.Movement handle and bottom movable pulley and support element are set, device is facilitated to move It is fixed during with work, babinet can shift in time between different station, realize a babinet and be applied multiple times.
1 rear side of deep cooling babinet is cooling fan 8.1 top of deep cooling babinet is provided with air-returning device 3, and it is few to draw cooling fan 8 Calorimetric wind is to the top of 8L containers 7 of refrigeration work.
The refrigeration and detecting and controlling system 9 connect adjustable expander, are controlled by Intelligence Feedback, realize control temperature Precision is spent to 0.1 DEG C.1 top of deep cooling babinet sets touch display control screen 4, the refrigeration and detection control system The 9 touch display control screen 4 of connection of system.The operating temperature range of the 8L container cryogenic systems:- 120 DEG C~-170 DEG C, with full Foot concentration feeding and purification technological requirement.
When the 8L containers are worked with cryogenic system, by rotary take-up 5 by the adjustable evaporator 10 of side wall along rotation Axis 11 is adjusted, and makes 7 outer wall of 8L containers of refrigeration work and side wall fixes evaporator 12 and the adjustable evaporator 10 of side wall is close Contact.
Top of the box is provided with air-returning device, guides the hot wind that lacked of cooling fan at 8L vessel loading ports valve, keeps away Exempted from wall surface of the container conduction cooling and may caused by valve feeding-passage block, it is ensured that entire rewinding process piping is unimpeded.
The present invention is 8L containers feeding and purification cryogenic system, the reclaiming technology system produced applied to uranium enrichment.It should The application of device makes reclaiming technology fill the condensing mode of liquid nitrogen into enlightening watt bottle from protoplast's work, changes into using cryogenic system Refrigeration system provide cold, the especially evaporator of force-loose transmission of heat by contact structure application, the heat transfer efficiency of device is substantially Improve, the continuous feeding time, the dismounting of container was convenient to not less than 13 hours under 8L Vessel Design flows.8L containers are elastic The invention of formula transmission of heat by contact structure cryogenic system and successful application greatly improve safety, the economy of reclaiming technology system And automatization level.

Claims (10)

1. a kind of 8L container cryogenic systems of force-loose transmission of heat by contact, it is characterised in that:It is on the left of the deep cooling babinet (1) of the device 8L containers (7) and provide the adjustable expander of cold for it, right side is the refrigeration and detection control being connect with adjustable expander System (9) processed;
Evaporation that the adjustable expander includes bottom fixation evaporating pan (13), side wall fixes evaporator (12), side wall is adjustable Device (10), rotary shaft (11) and rotary take-up (5);Wherein, bottom fixes evaporator and is used to support 8L containers (7), and Cold is provided for container bottom;8L containers (7) side wall half is fixed evaporator (12) by side wall and is coated, the other half is adjustable by side wall Evaporator (10) coats, and side wall is adjustable, and evaporator (10) left-side is rotated around rotary shaft (11), and right side is by rotary take-up (5) the adjustable evaporator of adjusting is contacted with 8L containers and pine moves back.
2. a kind of 8L container cryogenic systems of force-loose transmission of heat by contact according to claim 1, it is characterised in that:Described The movable pulley and support element (6) that the setting of deep cooling babinet (1) bottom is used to support.
3. a kind of 8L container cryogenic systems of force-loose transmission of heat by contact according to claim 1, it is characterised in that:Described Deep cooling babinet (1) forepart and right end wall surface are provided with the handle (2) for babinet movement.
4. a kind of 8L container cryogenic systems of force-loose transmission of heat by contact according to claim 1, it is characterised in that:Described It is cooling fan (8) on rear side of deep cooling babinet (1).
5. a kind of 8L container cryogenic systems of force-loose transmission of heat by contact according to claim 4, it is characterised in that:Described Air-returning device (3) is provided at the top of deep cooling babinet (1), draws the 8L containers that a small amount of hot wind of cooling fan (8) blows to refrigeration work (7) top.
6. a kind of 8L container cryogenic systems of force-loose transmission of heat by contact according to claim 1, it is characterised in that:The 8L holds The operating temperature range of device cryogenic system:- 120 DEG C~-170 DEG C, to meet concentration feeding and purification technological requirement.
7. a kind of 8L container cryogenic systems of force-loose transmission of heat by contact according to claim 1, it is characterised in that:Described It is independent evaporating pan that evaporating pan (13) is fixed in bottom so that material increases in container bottom condensation number, is conducive to increase container Rewinding ability.
8. a kind of 8L container cryogenic systems of force-loose transmission of heat by contact according to claim 1, it is characterised in that:The 8L holds When device is worked with cryogenic system, the adjustable evaporator of side wall (10) is carried out along rotary shaft (11) by rotary take-up (5) It adjusts, makes 8L containers (7) outer wall of refrigeration work and side wall fixes evaporator (12) and the adjustable evaporator of side wall (10) closely connects It touches.
9. a kind of 8L container cryogenic systems of force-loose transmission of heat by contact according to claim 1, it is characterised in that:Described Refrigeration and detecting and controlling system (9) connection adjustable expander, are controlled by Intelligence Feedback, realize control temperature accuracy to 0.1 ℃。
10. a kind of 8L container cryogenic systems of force-loose transmission of heat by contact according to claim 1, it is characterised in that:It is described Deep cooling babinet (1) at the top of touch display control screen (4) is set, the refrigeration and detecting and controlling system (9) connection touch Formula display control screen (4).
CN201711131007.7A 2017-11-15 2017-11-15 A kind of 8L container cryogenic systems of force-loose transmission of heat by contact Pending CN108168206A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711131007.7A CN108168206A (en) 2017-11-15 2017-11-15 A kind of 8L container cryogenic systems of force-loose transmission of heat by contact

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711131007.7A CN108168206A (en) 2017-11-15 2017-11-15 A kind of 8L container cryogenic systems of force-loose transmission of heat by contact

Publications (1)

Publication Number Publication Date
CN108168206A true CN108168206A (en) 2018-06-15

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3696636A (en) * 1968-03-06 1972-10-10 Gaston M Mille Method and apparatus for cooling liquids
JPH05340682A (en) * 1992-06-10 1993-12-21 Honda Motor Co Ltd Seal device for rotary type heat-exchanger
CN2863216Y (en) * 2005-12-02 2007-01-31 武仲德 Cold trap of vacuum freezing dryer
CN201233144Y (en) * 2008-06-18 2009-05-06 刘国林 Double face contact type instant freezer
CN201540743U (en) * 2009-11-27 2010-08-04 中核陕西铀浓缩有限公司 -80 DEG C small-sized deep cooling apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3696636A (en) * 1968-03-06 1972-10-10 Gaston M Mille Method and apparatus for cooling liquids
JPH05340682A (en) * 1992-06-10 1993-12-21 Honda Motor Co Ltd Seal device for rotary type heat-exchanger
CN2863216Y (en) * 2005-12-02 2007-01-31 武仲德 Cold trap of vacuum freezing dryer
CN201233144Y (en) * 2008-06-18 2009-05-06 刘国林 Double face contact type instant freezer
CN201540743U (en) * 2009-11-27 2010-08-04 中核陕西铀浓缩有限公司 -80 DEG C small-sized deep cooling apparatus

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Application publication date: 20180615