CN203274537U - Novel uranium hexafluoride condenser - Google Patents
Novel uranium hexafluoride condenser Download PDFInfo
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- CN203274537U CN203274537U CN 201320001329 CN201320001329U CN203274537U CN 203274537 U CN203274537 U CN 203274537U CN 201320001329 CN201320001329 CN 201320001329 CN 201320001329 U CN201320001329 U CN 201320001329U CN 203274537 U CN203274537 U CN 203274537U
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- condenser
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- fluorinated gas
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Abstract
The utility model belongs to the technical field of a uranium hexafluoride production system of a uranium conversion field, and particularly relates to a novel uranium hexafluoride condenser. The uranium hexafluoride condenser comprises fluorinated gas inlets, a fluorinated gas outlet, a uranium hexafluoride liquid outlet, two bunches of U-shaped tube bundles with fins and a bottom heat exchange tube; the two ends of a shell of the uranium hexafluoride condenser are provided with fluorinated gas inlets, and the fluorinated gas outlet is formed in the middle of the shell; the bottom end of the shell is provided with the uranium hexafluoride liquid outlet; the two ends of the uranium hexafluoride condenser are respectively provided with one bunch of U-shaped tube bundle with the fins; fluorinated gas inlet regions are provided with a first group of fins, and a second group of fins is arranged in the middle of each bunch of U-shaped pipe bundle; the fluorinated gas outlet is not provided with the fins; and the bottoms of the two bunches of U-shaped pipe bundles with the fins are respectively provided with a group of bottom heat exchange pipes without fins, the diameter of equipment of the technical scheme of the utility model can be decreased, the size can be minished, the heat exchange area can be reduced, and the condensing capacity of the uranium hexafluoride condenser is comparable to the primary equipment. Therefore, the cost can be reduced, and the security of the equipment can be improved.
Description
Technical field
The utility model belongs to the hex (UF that uranium transforms the field
6) the production system technical field, be specifically related to a kind of novel hex condenser.
Background technology
The hex condenser is the main technique equipment of hex production system, and condensation and two kinds of functions of liquefaction are arranged, and the condensation that is used for uranic hexafluoride gas receives and liquefies to be shifted.The method that receives hex has three kinds of condensation cured method, condensation liquefaction method and solvent absorptions usually.At present, the industrial condensation cured methods that adopt more, this kind method is easy and simple to handle, and handled hex concentration range is wider.
The condensation of hex condenser and heat medium are generally hot and cold glycol water.The condensation ability of hex condenser should match with the production capacity of fluorination reactor.At present, the main condenser in China's hex production system is 14.5m
3Inner-cooling type condenser, its condensation ability matches with the production capacity of existing fluorination reactor, and is corresponding one by one.Along with the lifting of fluorination reactor production capacity, the condensation ability of existing condenser also needs corresponding lifting.
Yet, existing 14.5m
3Inner-cooling type condenser is limited by raw material size and structural shape, and difficulty of processing is large, and the condensation ability has been difficult to further expansion.Therefore, need a kind of novel hex condenser of development badly, to improve its condensation ability.
Summary of the invention
The technical problems to be solved in the utility model is: a kind of novel hex condenser is provided, reduces container diameter on the basis that guarantees the condensation ability, reduce heat exchange area, reduce the equipment dischargeable capacity, reduce difficulty of processing; Rationally utilize and distribute condensation to receive the space, improving the hex packing factor; Guarantee simultaneously the uniformity that in condenser, material distributes, avoid occurring " heavy at one end " phenomenon; Strengthen hex condenser bottom-heated, make liquefaction evenly, eliminate the phenomenon that the hex liquid outlet stops up.
To achieve these goals, the technical scheme taked of the utility model is:
A kind of novel hex condenser comprises fluorinated gas import, fluorinated gas outlet, hex liquid outlet, the two finned U-shaped tube bank of bundle and bottom heat exchanger tubes;
Wherein: the housing two ends at the hex condenser arrange the fluorinated gas import, and the fluorinated gas outlet is set in the middle of the housing of hex condenser; Housing bottom at the hex condenser arranges the hex liquid outlet; A branch of finned U-shaped tube bank respectively is set at hex condenser two ends, the tube side import is arranged on bottom, equipment two ends, the tube side outlet is arranged on the top at equipment two ends, and tube side import and outlet are connected to respectively the entrance and exit of U-shaped tube bank by the bobbin carriage distributor; In the fluorinated gas entry zone, first group of fin is set, totally 520, spacing of fin is 45mm; Centre position in every a branch of U-shaped tube bank arranges second group of fin, and totally 2400, spacing of fin is 55mm; In the fluorinated gas exit, do not establish fin; Bottom the two finned U-shaped tube banks of bundle, one group of not finned bottom heat exchanger tube is set respectively.
Further, a kind of novel hex condenser as above, wherein: near set temperature meter interface between reaching both fluorinated gas import and fluorinated gas outlet.
Further, a kind of novel hex condenser as above, wherein: near the fluorinated gas outlet, pressure gauge connection is set.
Further, a kind of novel hex condenser as above, wherein: at the auxiliary heat-exchanging pipe of hex condenser outer setting one circle spiral tube structure.
Further, a kind of novel hex condenser as above, wherein: on two bobbin carriage distributors of condenser one end, observation panel is set, is used for observing the heat exchanger tube corrosion condition.
The utility model is to pass through on the basis of small-sized condenser verification experimental verification by existing 14.5m
3The design of the condensation ability of condenser by to existing 14.5m
3The deficiency that inner-cooling type condenser exists is analyzed, and Novel condenser is designed to the double U tube structure; Mensuration by heat transfer coefficient has been determined heat exchange area; Adjusted the spacing of fin on the U-shaped pipe; Increased in device bottom the heat exchange situation that one group of U-shaped light pipe improves device bottom; Set up inspection opening on the bobbin carriage distributor.Device diameters after improvement reduces, volume reduces, heat exchange area reduces, and condensation ability and original equipment are suitable.Both provided cost savings the security that has improved again equipment simultaneously; Not only solved the deficiency that existing operational outfit exists, and laid a good foundation for the further amplification of condenser from now on.
Description of drawings
Fig. 1 is the structural representation of a kind of novel hex condenser of the utility model;
Fig. 2 is the structural representation in U-shaped tube bank and fin district in condenser.
In figure: 1-1, the import of 1-2 uranic hexafluoride gas; 2-1,2-2,2-3,2-4,2-5 thermometer boss; 3 uranic hexafluoride gas outlets; 4 pressure gauge connections; 5-1, the outlet of 5-2U shape pipe; 6-1, the import of 6-2U shape pipe; 7-1,7-2 observation panel; 8 hex liquid outlets; The heat exchanger tube import of 9-1,9-2 bottom; The heat exchanger tube outlet of 10-1,10-2 bottom; 11 auxiliary heat-exchanging pipe imports; 12 auxiliary heat-exchanging pipe outlets; 13 first groups of fin districts; 14 second groups of fin districts; 15-bottom heat exchanger tube.
The specific embodiment
Below in conjunction with accompanying drawing, technical solutions of the utility model are elaborated.
Equipment of the present utility model has mainly carried out special design in the following areas: the one, determine that heat exchanger is the double U tube structure; The 2nd, determine heat exchange area; The 3rd, adjust the spacing of fin on the U-shaped pipe; The 4th, adopt multiple heat exchanger tube form; The 5th, set up inspection opening.Uniformity, security and the economy of hex condenser have finally been guaranteed.Concrete is:
One, structure is determined: the U-shaped tube bank is two groups, lays respectively at equipment two ends.Simultaneously the gas feed mouth is arranged in the two ends of equipment, the gas discharging opening is positioned in the middle of equipment, has realized that equipment two ends reception hex is substantially equal, has solved equipment " heavy at one end " phenomenon.
Two, determine heat exchange area: determine that heat exchange area need to be through checking and contrasting repeatedly.The hex condenser mainly contains condensation and two processes of liquefaction, and because the heat transfer of hex condensation process is transient, along with the increase heat-transfer capability of hex deposition progressively reduces, this is the key that the restriction capacity of equipment improves.On the basis that theory is calculated, check in conjunction with the resulting solid hex apparent heat transter coefficient of existing test, determine that this condenser heat transfer area is about 200m
2
Three, the spacing of fin on adjustment U-shaped pipe: the spacing of fin of this condenser is divided into two groups: first group of interval 45mm, in gas feed zone, equipment two ends, number of fins amounts to 520.Second group of interval 55mm, in the centre position of each group U-shaped pipe, number of fins amounts to 2400.Gas outlet is not established fin.
Existing 14.5m
3The inner-cooling type condenser spacing of fin is divided into three groups: first group of interval 55mm, and in equipment end entry zone, number of fins amounts to 1276, second group of interval 45 ㎜, in the equipment centre position, number of fins amounts to 1152, the 3rd group of interval 40 ㎜ are at the port of export of equipment.Number of fins amounts to 828.A kind of Novel condenser of the present invention has reduced number of fins accordingly in design process, when satisfying the functions of the equipments requirement, reduced manufacture difficulty.
Four, adopt multiple heat exchanger tube form: for existing 14.5m
3The problems such as the hex liquid outlet of inner-cooling type condenser emerged in operation easily blocks up, bottom-heated scarce capacity are optimized, respectively increase by one group of not finned U-shaped bottom heat exchanger tube two groups of finned U-shapeds tube bank bottoms, strengthened the heat exchange efficiency of device bottom.
Five, set up inspection opening: increase observation panel on the bobbin carriage distributor, in order to understand intuitively the corrosion condition that hot and cold matchmaker exchanges heat pipe.
According to mentality of designing as above, in conjunction with Fig. 1 and Fig. 2, the technical scheme of a kind of Novel condenser of the utility model is: a kind of novel hex condenser comprises fluorinated gas import, fluorinated gas outlet, hex liquid outlet, the two finned U-shaped tube bank of bundle and bottom heat exchanger tubes; Wherein: the housing two ends at the hex condenser arrange the fluorinated gas import, and the fluorinated gas outlet is set in the middle of the housing of hex condenser; Housing bottom at the hex condenser arranges the hex liquid outlet; A branch of finned U-shaped tube bank respectively is set at hex condenser two ends, the tube side import is arranged on bottom, equipment two ends, the tube side outlet is arranged on the top at equipment two ends, and tube side import and outlet are connected to respectively the entrance and exit of U-shaped tube bank by the bobbin carriage distributor; In the fluorinated gas entry zone, first group of fin is set, totally 520, spacing of fin is 45mm; Centre position in every a branch of U-shaped tube bank arranges second group of fin, and totally 2400, spacing of fin is 55mm; In the fluorinated gas exit, do not establish fin; Bottom the two finned U-shaped tube banks of bundle, one group of not finned bottom heat exchanger tube is set respectively.
In a kind of novel hex condenser as above: near set temperature meter interface between reaching both fluorinated gas import and fluorinated gas outlet.Near the fluorinated gas outlet, pressure gauge connection is set.Auxiliary heat-exchanging pipe at hex condenser outer setting helical structure.On two bobbin carriage distributors of condenser one end, observation panel is set, is used for observing the heat exchanger tube corrosion condition.
Claims (5)
1. a novel hex condenser, is characterized in that: comprise fluorinated gas import, fluorinated gas outlet, hex liquid outlet, the two finned U-shaped tube bank of bundle and bottom heat exchanger tubes;
Wherein: the housing two ends at the hex condenser arrange the fluorinated gas import, and the fluorinated gas outlet is set in the middle of the housing of hex condenser; Housing bottom at the hex condenser arranges the hex liquid outlet; A branch of finned U-shaped tube bank respectively is set at hex condenser two ends, the tube side import is arranged on bottom, equipment two ends, the tube side outlet is arranged on the top at equipment two ends, and tube side import and outlet are connected to respectively the entrance and exit of U-shaped tube bank by the bobbin carriage distributor; In the fluorinated gas entry zone, first group of fin is set, totally 520, spacing of fin is 45mm; Centre position in every a branch of U-shaped tube bank arranges second group of fin, and totally 2400, spacing of fin is 55mm; In the fluorinated gas exit, do not establish fin; Bottom the two finned U-shaped tube banks of bundle, one group of not finned bottom heat exchanger tube is set respectively.
2. a kind of novel hex condenser as claimed in claim 1, is characterized in that: near set temperature meter interface between reaching both fluorinated gas import and fluorinated gas outlet.
3. a kind of novel hex condenser as claimed in claim 1, is characterized in that: near the fluorinated gas outlet, pressure gauge connection is set.
4. a kind of novel hex condenser as claimed in claim 1, is characterized in that: at the auxiliary heat-exchanging pipe of hex condenser outer setting helical structure.
5. a kind of novel hex condenser as claimed in claim 1, is characterized in that: on two bobbin carriage distributors of condenser one end, observation panel is set, is used for observing the heat exchanger tube corrosion condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320001329 CN203274537U (en) | 2013-01-05 | 2013-01-05 | Novel uranium hexafluoride condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320001329 CN203274537U (en) | 2013-01-05 | 2013-01-05 | Novel uranium hexafluoride condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203274537U true CN203274537U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320001329 Expired - Lifetime CN203274537U (en) | 2013-01-05 | 2013-01-05 | Novel uranium hexafluoride condenser |
Country Status (1)
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| CN (1) | CN203274537U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104628038A (en) * | 2013-11-07 | 2015-05-20 | 中核四○四有限公司 | Fluorination technology for recovering fluorine gas |
| CN109499089A (en) * | 2018-10-31 | 2019-03-22 | 中国核电工程有限公司 | A kind of device converting solid-state hex to gaseous state hex |
-
2013
- 2013-01-05 CN CN 201320001329 patent/CN203274537U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104628038A (en) * | 2013-11-07 | 2015-05-20 | 中核四○四有限公司 | Fluorination technology for recovering fluorine gas |
| CN104628038B (en) * | 2013-11-07 | 2016-08-17 | 中核四○四有限公司 | A kind of flaorination process reclaiming fluorine gas |
| CN109499089A (en) * | 2018-10-31 | 2019-03-22 | 中国核电工程有限公司 | A kind of device converting solid-state hex to gaseous state hex |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |
|
| CX01 | Expiry of patent term |