CN203950562U - A kind of vaporising device of processing radioactive liquid waste - Google Patents
A kind of vaporising device of processing radioactive liquid waste Download PDFInfo
- Publication number
- CN203950562U CN203950562U CN201420257379.XU CN201420257379U CN203950562U CN 203950562 U CN203950562 U CN 203950562U CN 201420257379 U CN201420257379 U CN 201420257379U CN 203950562 U CN203950562 U CN 203950562U
- Authority
- CN
- China
- Prior art keywords
- reactor
- steam jacket
- vaporising device
- steam
- kettle
- 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.)
- Expired - Lifetime
Links
- 239000010808 liquid waste Substances 0.000 title claims abstract description 21
- 230000002285 radioactive effect Effects 0.000 title claims abstract description 20
- 238000012545 processing Methods 0.000 title claims abstract description 18
- 238000007599 discharging Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 11
- 239000002699 waste material Substances 0.000 abstract description 8
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 239000002253 acid Substances 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 6
- 239000002826 coolant Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003758 nuclear fuel Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 235000014347 soups Nutrition 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 229910052768 actinide Inorganic materials 0.000 description 1
- 150000001255 actinides Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- WJWSFWHDKPKKES-UHFFFAOYSA-N plutonium uranium Chemical compound [U].[Pu] WJWSFWHDKPKKES-UHFFFAOYSA-N 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses a kind of vaporising device of processing radioactive liquid waste, comprise reactor, described reactor comprises reactor kettle, the upper end of described reactor kettle is provided with reactor upper cover, the lower end of reactor kettle is provided with reactor low head, and the top of described reactor upper cover is provided with seal flange; Described reactor kettle is provided with the first steam jacket, described reactor low head is provided with the second steam jacket, described the first steam jacket and the second steam jacket form by stacked curved pipe, the two ends of described the first steam jacket are fixed on reactor kettle, and the two ends of described the second steam jacket are fixed on reactor low head.Adopt vaporising device of the present utility model, can meet kinds of processes condition waste liquid is evaporated to denitration, and in denitrification process, avoided the corrosion of acid waste liquid to heat-exchange tube weld seam; Simple in structure, cost is low.
Description
Technical field
The utility model belongs to aftertreatment radioactive liquid waste process field, is specifically related to a kind of vaporising device of processing radioactive liquid waste, and this vaporising device belongs to one of key equipment of aftertreatment liquid waste processing.
Background technology
The high activity liquid waste that nuclear fuel reprocessing plant produces is mainly comprised of the uranium plutonium extraction raffinate that extraction process produces altogether.This waste liquid has comprised finally by vitrified most of fission product and actinide.In order to reduce the interim storage volume and the cost that reduces glass solidification process between extraction and glass solidification process, need to carry out evaporation and concentration to high activity liquid waste.
The vaporising device that China nuclear fuel aftertreatment is used is evaporator with external heating unit, and its principal feature is, heating liquid in pipe is subject to after primary steam heating, utilizes the Natural Circulation of solution to realize the heat transmission of solution, and solution is evaporated; Vaporization chamber and separation chamber divide and are arranged, and secondary steam is realized vapor-liquid separation in separation chamber, carries out rough purification, and last secondary steam, further purifying through cleaning equipments such as cyclone separator, purifying columns, gathers after purification to Air exhaust system.
Existing evaporator with external heating unit is in use deposited shortcoming in the following areas: (1) adopts " continuous evaporation---denitration " technique, easily cause solution bumping, cause secondary steam condensed fluid to be polluted, adopt " steaming in clear soup " technique, operate steadily, secondary steam condensed fluid is substantially up to standard, but the processing power of evaporator declines to some extent, and " steaming in clear soup " concentration process solution acidity is higher, and the corrosion of evaporator material is had to certain influence; (2) heating tube is with tube sheet by being welded to connect in vaporization chamber, and radioactive solution directly contacts with weld seam, and under boiling condition, the increase of the corrosive attack of radioactive solution butt welded seam, easily causes weld decay and reveal.
Utility model content
For the defect existing in prior art, the purpose of this utility model is: a kind of vaporising device of processing radioactive liquid waste is provided, this device has and meets continuous evaporation---the technological requirement of denitration, can reduce the corrosion of radioactive liquid waste to this device, and simplified technological process, improved productive capacity.
For achieving the above object, the technical solution adopted in the utility model is as follows: a kind of vaporising device of processing radioactive liquid waste is provided, this vaporising device comprises reactor, described reactor comprises reactor kettle, the upper end of described reactor kettle is provided with reactor upper cover, the lower end of described reactor kettle is provided with reactor low head, the top of described reactor upper cover is provided with seal flange, described reactor kettle is provided with the first steam jacket, described reactor low head is provided with the second steam jacket, described the first steam jacket and the second steam jacket form by stacked curved pipe, the two ends of described the first steam jacket are fixed in respectively on reactor kettle, the two ends of described the second steam jacket are fixed in respectively on reactor low head.
Further, described the first steam jacket is comprised of the stacked curved pipe of multistage, described in the preceding paragraph, the tail end of stacked curved pipe and the head end of next section of stacked curved pipe are connected, and described the first steam jacket head end is provided with the first steam inlet, and the first steam jacket tail end is provided with the first condensate outlet.
Further, described the second steam jacket is comprised of the stacked curved pipe of multistage, described in the preceding paragraph, the tail end of stacked curved pipe and the head end of next section of stacked curved pipe are connected, and described the second steam jacket head end is provided with the second steam inlet, and the second steam jacket tail end is provided with the second condensate outlet.
Further, described reactor upper cover is provided with gas outlet and feed pipe; Described reactor low head is provided with discharging tube.
Further, reactor kettle is provided with bearing and hanger.
Further, described reactor is vertical elliptical shape end socket container.
The beneficial effects of the utility model are:
(1) adopt vaporising device of the present utility model, can meet continuous evaporation---the process conditions of denitration, reliable;
(2) adopt vaporising device of the present utility model, by being provided with steam jacket on reactor kettle, avoided contacting of acid waste liquid and heat-exchange tube weld seam, reduced the probability of weld material corrosion;
(3) simple in structure, with low cost.
Accompanying drawing explanation
Fig. 1 is a kind of front view of processing the vaporising device of radioactive liquid waste of the utility model;
Fig. 2 is a kind of longitudinal sectional view of processing the vaporising device of radioactive liquid waste of the utility model;
Fig. 3 is a kind of vertical view of processing the vaporising device of radioactive liquid waste of the utility model.
Embodiment
Below in conjunction with Figure of description, embodiment of the present utility model is described in further detail.
As Figure 1-3, be a kind of vaporising device of processing radioactive liquid waste that the utility model provides, this vaporising device comprises reactor, this reactor is the vertical elliptical shape end socket container of sealing.Reactor comprises reactor kettle 1, and the upper end of reactor kettle 1 is provided with reactor upper cover 14, and the lower end of reactor kettle 1 is provided with reactor low head 15, and the top of reactor upper cover 14 is provided with seal flange 6, and 6 pairs of whole containers of sealing flange seal.
Continuous to waste liquid in order to meet---the technological requirement of denitration, and in the process of denitration reaction, avoid the corrosion of acid waste liquid to heat-exchange tube weld seam, on reactor kettle 1, be provided with the first steam jacket 2, on reactor low head 15, be provided with the second steam jacket 3.The first steam jacket 2 and the second steam jacket 3 form by stacked curved pipe, and the two ends of the first steam jacket 2 are welded on respectively on reactor kettle 1, and the two ends of the second steam jacket 3 are welded on respectively on reactor low head 3.
Wherein, described the first steam jacket 2 is comprised of the stacked curved pipe of multistage, described in the preceding paragraph, the tail end of stacked curved pipe and the head end of next section of stacked curved pipe are connected, and the first steam jacket 2 head ends are provided with the first steam inlet 9, the first steam jacket 2 tail ends and are provided with the first condensate outlet 10.
The second steam jacket 3 is comprised of the stacked curved pipe of multistage, described in the preceding paragraph, the tail end of stacked curved pipe and the head end of next section of stacked curved pipe are connected, the second steam jacket 3 head ends are provided with the second steam inlet 11, the second steam jacket 3 tail ends and are provided with the second condensate outlet 12.
The utility model is to take two sections of steam jackets to describe as example, and the length of steam jacket and quantity are determined according to requirements.
Reactor upper cover 14 is provided with gas outlet 7, guarantees the discharge of steam.Reactor upper cover 14 is provided with feed pipe 8, guarantees the injection of waste material.Reactor low head 15 is provided with discharging tube 13, guarantees the discharge of waste material.
For convenient lifting and transportation, reactor kettle 1 is provided with hanger 5.For the ease of placing response still, reactor kettle 1 is provided with bearing 4.
During duty, feed liquid is injected in reactor by feed pipe 8, and the liquid level of feed liquid should be greater than the height of the first steam jacket 2.Steam enters respectively the first steam jacket 2 and the second steam jacket 3 by the first steam inlet 9 and the second steam inlet 11, thereby the feed liquid in heating reactor, cause feed liquid explosive evaporatoin denitration, after heat interchange, steam condensate is discharged by the first condensate outlet 10 and the second condensate outlet 12.Treat feed liquid under fluidized state after completion of the reaction, stop passing into steam to the first steam jacket and the second steam jacket.Now, for simplification of flowsheet, the first condensate outlet 10 and the second condensate outlet 12 are become to coolant entrance, by coolant entrance to the first steam jacket 2 and the interior cooling medium that injects respectively of the second steam jacket 3, feed liquid in cooling reactor, after feed liquid is cooled to established temperature, by discharging tube 13, will remains feed liquid and discharge.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technology thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (6)
1. a vaporising device of processing radioactive liquid waste, this vaporising device comprises reactor, described reactor comprises reactor kettle (1), the upper end of described reactor kettle (1) is provided with reactor upper cover (14), the lower end of described reactor kettle (1) is provided with reactor low head (15), the top of described reactor upper cover (14) is provided with seal flange (6), it is characterized in that: described reactor kettle (1) is provided with the first steam jacket (2), described reactor low head (15) is provided with the second steam jacket (3), described the first steam jacket (2) and the second steam jacket (3) form by stacked curved pipe, the two ends of described the first steam jacket (2) are fixed in respectively on reactor kettle (1), the two ends of described the second steam jacket (3) are fixed in respectively on reactor low head (15).
2. a kind of vaporising device of processing radioactive liquid waste as claimed in claim 1, it is characterized in that: described the first steam jacket (2) is comprised of the stacked curved pipe of multistage, described in the preceding paragraph, the tail end of stacked curved pipe and the head end of next section of stacked curved pipe are connected, described the first steam jacket (2) head end is provided with the first steam inlet (9), and the first steam jacket (2) tail end is provided with the first condensate outlet (10).
3. a kind of vaporising device of processing radioactive liquid waste as claimed in claim 1, it is characterized in that: described the second steam jacket (3) is comprised of the stacked curved pipe of multistage, described in the preceding paragraph, the tail end of stacked curved pipe and the head end of next section of stacked curved pipe are connected, described the second steam jacket (3) head end is provided with the second steam inlet (11), and the second steam jacket (3) tail end is provided with the second condensate outlet (12).
4. a kind of vaporising device of processing radioactive liquid waste as claimed in claim 2 or claim 3, is characterized in that: described reactor upper cover (14) is provided with gas outlet (7) and feed pipe (8); Described reactor low head (15) is provided with discharging tube (13).
5. a kind of vaporising device of processing radioactive liquid waste as claimed in claim 4, is characterized in that: described reactor kettle (1) is provided with bearing (4) and hanger (5).
6. a kind of vaporising device of processing radioactive liquid waste as claimed in claim 5, is characterized in that: described reactor is vertical elliptical shape end socket container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420257379.XU CN203950562U (en) | 2014-05-20 | 2014-05-20 | A kind of vaporising device of processing radioactive liquid waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420257379.XU CN203950562U (en) | 2014-05-20 | 2014-05-20 | A kind of vaporising device of processing radioactive liquid waste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203950562U true CN203950562U (en) | 2014-11-19 |
Family
ID=51892585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420257379.XU Expired - Lifetime CN203950562U (en) | 2014-05-20 | 2014-05-20 | A kind of vaporising device of processing radioactive liquid waste |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203950562U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106139636A (en) * | 2016-06-18 | 2016-11-23 | 沈永贤 | Conventional jacket high concentration concentrator and method for concentration thereof |
| CN108447578A (en) * | 2018-05-08 | 2018-08-24 | 中国原子能科学研究院 | Intermittently operated formula high activity liquid waste evaporation-denitration device |
-
2014
- 2014-05-20 CN CN201420257379.XU patent/CN203950562U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106139636A (en) * | 2016-06-18 | 2016-11-23 | 沈永贤 | Conventional jacket high concentration concentrator and method for concentration thereof |
| CN108447578A (en) * | 2018-05-08 | 2018-08-24 | 中国原子能科学研究院 | Intermittently operated formula high activity liquid waste evaporation-denitration device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202855316U (en) | Containment cooling system for PWR (pressurized water reactor) nuclear power plant | |
| CN103632737A (en) | Passive waste heat discharge system of nuclear power station steam generator secondary side | |
| CN210039648U (en) | Molten salt reactor shutdown system | |
| CN106356110B (en) | Continuous evaporation-denitration process | |
| CN102233195A (en) | Non-pressure condensing recovery and purification technology and equipment for gas discharged from reclaimed rubber devulcanizer | |
| CN203950562U (en) | A kind of vaporising device of processing radioactive liquid waste | |
| CN205360639U (en) | One set of alcohol distillation purification device | |
| CN106338575B (en) | Liquid metal purifies experimental apparatus | |
| CN206447800U (en) | A kind of N methylanilines raffinate recovery system | |
| CN107093470A (en) | A kind of constrain system of containment for strengthening cooling | |
| CN204066758U (en) | A kind of dissolver processing spent fuel element | |
| CN205570088U (en) | A device for containing benzene tail gas is retrieved and is administered | |
| CN208071333U (en) | A kind of low-energy consumption urea hydrolysis reactor | |
| CN202762414U (en) | Glycol regenerating device | |
| CN106621434B (en) | The process and device of nitric acid recycling in a kind of uranium-bearing waste liquid | |
| CN105741888B (en) | A kind of non-kinetic containment cooling system for presurized water reactor | |
| CN202328166U (en) | Spray-filling type deaerator | |
| CN202928386U (en) | Steam condenser capable of being connected in series | |
| CN210251269U (en) | Efficient heat-conducting oil online lightness removing device | |
| CN112156745A (en) | Vertical non-catalytic urea hydrolysis reactor for denitration | |
| CN201962221U (en) | Improved alcohol recovering device | |
| CN206337028U (en) | A kind of ammonia water recovery device | |
| CN205582508U (en) | A non - kinetic energy containment cooling system for PWR | |
| CN208694291U (en) | Vacuum drying tank | |
| CN112978760A (en) | Urea hydrolysis device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141119 |