CN205582521U - A interior circulation flow reactor for water removes tritiation removal - Google Patents
A interior circulation flow reactor for water removes tritiation removal Download PDFInfo
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- CN205582521U CN205582521U CN201620237459.8U CN201620237459U CN205582521U CN 205582521 U CN205582521 U CN 205582521U CN 201620237459 U CN201620237459 U CN 201620237459U CN 205582521 U CN205582521 U CN 205582521U
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- urceolus
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Abstract
The utility model discloses an interior circulation flow reactor for water removes tritiation removal, pack, contain the tritium water inlet tube, contain hydrogen tritide gas blast pipe, ring canal formula distributor and low tritium water outlet pipe including top cap, urceolus, center intake pipe, annulus district intake pipe, sintered, draft tube, theta ring, the top cap is established at the urceolus top, inside ring canal formula distributor is located the urceolus, contain the tritium water inlet tube and contain hydrogen tritide gas blast pipe all with the inside intercommunication of urceolus, just advance water piping connection ring canal formula distributor including tritium water, the draft tube divide into the center with urceolus inside bottom space and communicates with the draft tube with annulus district, center intake pipe, annulus district intake pipe intercommunication bottom the urceolus, the sintered is fixed inside the urceolus, the theta ring is loaded in center and annulus district, the intercommunication is distinguished with the annulus to low tritium water outlet pipe. The utility model has the characteristics of gas -liquid looks area of contact is big, reaction efficiency is high, and it can directional flow to contain tritium water, can also control liquid phase dwell time simultaneously, therefore gas -liquid looks tritium content after can accurate controlled reaction.
Description
Technical field
This utility model relates to chemical industry and nuclear technology and apparatus field, particularly relates to a kind of remove tritiated common loop reactor for water.
Background technology
Tritium is the radiosiotope of hydrogen, most important in military project and nuclear power field.Nuclear weapon manufacture and fusion reactor run the operation that all can relate to a large amount of tritium, and part tritium finally exists with tritiated water form；Nuclear power station running also can produce substantial amounts of tritium-containing liquid waste.If these tritium-containing liquid wastes can not get rationally processing, it will causes serious environmental pollution.Meanwhile, tritium is the element of the extremely trace in nature, itself has high value, has the highest economic worth containing the recovery of tritium in HTO.Therefore, exploitation efficiently, energy-saving and environmental protection, the water of low cost go tritiated technology and equipment, for reclaiming containing the tritium element in HTO, and make to reach discharge index containing HTO, all have very important significance.
Liquid-phase catalysis exchange (LPCE) technology is that the water of current relative maturity goes tritiated technology, the catalytic exchange post of employing multi-section serial is to realize higher reaction efficiency and treating capacity, but this technology is disadvantageous in that equipment is complicated, setting height(from bottom) is high, processing cost is high；And the Pt base catalyst that uses is expensive, the exchange column catalyst filling total amount of multi-section serial is big, costly；Meanwhile, in exchange column, the liquid phase time of staying is difficult to control to, it is impossible to control low HTO and the tritium level containing hydrogen tritide gas after reaction the most exactly.
Therefore, it is necessary to go tritiated technology to improve in existing water.
Utility model content
For above-mentioned the deficiencies in the prior art, this utility model provides and a kind of removes tritiated common loop reactor for water, can control the tritium level of liquid phase after reaction easily and accurately.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of remove tritiated common loop reactor for water, including top cover, urceolus, center air inlet pipe, annular space district air inlet pipe, sintered plate, with pod apertures guide shell, be coated with the θ ring filler of hydrophobic catalyst, containing HTO water inlet pipe, containing tritium hydrogen purge pipe, annular tube type distributor and low HTO outlet pipe；Described top cover is arranged on urceolus top, and described annular tube type distributor is positioned at outer barrel and near top cover, described containing HTO water inlet pipe with the most all penetrate top cover containing tritium hydrogen purge pipe and connect with outer barrel, and contain HTO water inlet pipe and be also connected with annular tube type distributor；Described guide shell is arranged on bottom outer barrel, and outer barrel bottom space is divided into center and annular space district, and described center air inlet pipe is by penetrating bottom urceolus and connecting with guide shell, for being passed through high-purity hydrogen in center；Described annular space district air inlet pipe connects with bottom urceolus, for being passed through high-purity hydrogen to annular space district；Described sintered plate is fixed on outer barrel, and is positioned at below guide shell, and it will be separated out a hydrogen gas buffering cavity bottom urceolus；Described θ ring filler is filled in center and annular space district respectively；Described low HTO outlet pipe is connected with outer drum outer wall and connects with annular space district.
As preferably, the ratio of height to diameter of described θ ring filler is 1～1.2.
As preferably, the filling of described θ ring filler is highly less than guide shell height.
Further, this utility model also includes temperature-controlling system, and this temperature-controlling system includes being enclosed within outside urceolus and the heater of symmetrically semi-annular shape structure, the solid-state relay being connected with this heater, and the PID temperature controller being connected with this solid-state relay.
Yet further, the most all it is enclosed with outside described heater and urceolus as heat-insulation layer and aluminosilicate fiber cotton layer that thickness is 2 cm.
As preferably, the cross-sectional area ratio of described annular space district and center is 2.5～5.
Compared with prior art, this utility model has the advantages that
(1) circular fluidic flow in this utility model reactor, the liquid phase time of staying is long, and gas holdup is high, mass tranfer coefficient is high, θ ring filler provides substantial amounts of reaction surface simultaneously, and Gas-liquid interfacial area is big so that the efficiency of hydrogen isotope reaction is obviously improved.
(2) in the controlling heart district and annular space district hydrogen superficial gas velocity, form center Airlift circulating under conditions of, this utility model can make to be passed in urceolus containing HTO generation directed flow and circulation, and can control time of staying of liquid phase, thus the concentration of tritium in liquid phase after controlling reaction easily and accurately.
(3) mode of the liquid phase circulation flowing that this utility model uses, compares the exchange column of liquid phase catalytic exchange technique plural serial stage, can significantly reduce height for reactor, simple in construction, and equipment investment is few.Catalyst filling amount is few simultaneously, can significantly reduce the use cost of Pt base catalyst.
(4) this utility model is also provided with temperature-controlling system, can realize the heating to outer barrel, not only thermal-stable, accuracy of temperature control is high, heats is good, and can conveniently adjust the temperature in reactor.Meanwhile, use aluminosilicate fiber cotton layer thick for 2 cm, it is ensured that the temperature stabilization of common loop reactor, reduce the heat exchange of reactor and environment, improve the energy-saving efficiency of reactor.
(5) this utility model design ingenious, compact conformation, simple operation, operating flexibility is big and reaction efficiency is high, can solve the drawback of prior art ideally, significantly reduce equipment and the cost of catalyst.Therefore, this technological progress is obvious, has substantial feature and progress, carries out popularization and application in being highly suitable for association area.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is liquid phase circulation schematic diagram during utility model works.
Fig. 3 is three-dimensional front-view of the present utility model.
Fig. 4 is three dimensional sectional view of the present utility model.
Wherein, corresponding entitled of reference:
1-center air inlet pipe；2-annular space district air inlet pipe；3-sintered plate；4-guide shell；5-urceolus；6-θ ring filler；7-water inlet pipe Han HTO；8-gas discharge line Han hydrogen tritide；9-annular tube type distributor；10-heater；11-aluminosilicate fiber cotton layer；12-low HTO outlet pipe.
Detailed description of the invention
The utility model is described in further detail with embodiment in explanation below in conjunction with the accompanying drawings, and mode of the present utility model includes but are not limited to following example.
As shown in Figure 1, this utility model provides a kind of novel reactor, water can be realized and go tritiated, this utility model include top cover, urceolus 5, center air inlet pipe 1, annular space district air inlet pipe 2, sintered plate 3, with pod apertures guide shell 4, be coated with the θ ring filler 6 of hydrophobic catalyst, containing HTO water inlet pipe 7, containing tritium hydrogen purge pipe 8, annular tube type distributor 9, low HTO outlet pipe 12 and temperature-controlling system.
Described top cover, urceolus 5, guide shell 4 and hydrogen gas cushion chamber constitute common loop reactor main body, wherein, urceolus uses rustless steel or quartz material to make, and top cover is arranged on urceolus 5 top, guide shell 4 is then arranged on urceolus 5 interior bottom portion, and outer barrel bottom space is divided into center and annular space district.It is internal and near top cover that described annular tube type distributor 9 is positioned at urceolus 5, described containing HTO water inlet pipe 7 with the most all penetrate top cover containing tritium hydrogen purge pipe 8 and connect with outer barrel, and contain HTO water inlet pipe 7 and be also connected with annular tube type distributor 9.It is used for being passed through containing HTO containing HTO water inlet pipe 7.
Described center air inlet pipe 1 is by penetrating bottom urceolus 5 and connecting with guide shell 4, for being passed through high-purity hydrogen in center；Described annular space district air inlet pipe 2 connects bottom urceolus 5, for being passed through high-purity hydrogen to annular space district.The high-purity hydrogen being passed through will contact with containing HTO, and occur hydrogen isotopic exchange to react.Described sintered plate 3 is quartz sintered plate, and it is internal that it is fixed on urceolus 5, and is positioned at below guide shell 4, and described hydrogen gas buffering cavity is separated out bottom urceolus 5 by this sintered plate 3.Described low HTO outlet pipe 12 is then connected with urceolus 5 outer wall and connects with annular space district.
Described θ ring filler 6 is filled in center and annular space district respectively.In the present embodiment, θ ring filler 6 is by blanket of glass wool or 80～200 mesh stainless steel cloths, ratio of height to diameter is 1～1.2, its coated Pt base hydrophobic catalyst, cutting and molding prepare, and the filling of θ ring filler 6 is highly less than guide shell height, to provide sufficient reaction surface, and control the size of bubble and be uniformly distributed.And annular space district amount of filler is 2.5～5 times of cross-sectional area ratios of center, and this region liquid phase counter current contacting, liquid phase flow rate is slow, further increases reaction efficiency.
Described temperature-controlling system is for ensureing to react required temperature conditions, and it includes being enclosed within outside and symmetrically semi-annular shape structure the heater 10 of urceolus 5, the solid-state relay being connected with this heater 10, and the PID temperature controller being connected with this solid-state relay.Additionally, heater and urceolus outer surface are all enclosed with heat-insulation layer, in the present embodiment, heat-insulation layer uses the aluminosilicate fiber cotton layer 11 that 2 cm are thick.
Below workflow of the present utility model is described in detail.
First, mounted common loop reactor and supporting pipeline and after-treatment system are carried out pressurize test, and to carrying out evacuation in urceolus 5, until vacuum reaches below 5Pa, it is ensured that equipment safety during handling hydrogen.
Then, start temperature-controlling system, outer barrel is preheated.After preheating terminates, in center and annular space district, it is passed through high-purity hydrogen by center air inlet pipe 1 and annular space district air inlet pipe 2.
Then, pending tritium-containing liquid waste is introduced from containing HTO water inlet pipe 7, then slowly smoothly instill to annular space district through annular tube type distributor 9, the hydrogen superficial gas velocity in district of control centre and annular space district, form center Airlift circulating.The high-purity hydrogen entered is first into hydrogen gas buffering cavity, the most sintered plate 3 forms that size is less, be distributed homogeneous bubble after enter in circulation center district and annular space district.Fully react with high-purity hydrogen containing HTO, obtain containing hydrogen tritide gas and low HTO, containing HTO liquid level less than the 20% of reactor urceolus internal diameter.Reacted drawing containing hydrogen tritide gas discharge line 8 containing hydrogen tritide gas autoreactor top, draw can be pressurizeed by circulating pump containing hydrogen tritide gas after, inlet channel bottom autoreactor continues to be incorporated in urceolus 5, realize circular response, promote the content of hydrogen tritium, and the tritium level of continuous detecting low HTO outlet pipe aqueous phase, until when meeting tritium concentration index, discharge low HTO.
The discharge of above-mentioned low HTO can use processing mode intermittently or serially；During intermittently operated, in circulation flow reactor disposable inject enough pending containing HTO, repeatedly circular response in reacted device, monitor low HTO concentration and touch the mark, low for this batch HTO is all drawn, repeats and carry out；During continuous operation, slowly smoothly instill pending containing HTO, hydrogen isotopic exchange is carried out after mixing with the low HTO in reactor, tritium concentration is monitored at low HTO extraction mouth, and draw the low HTO meeting tritium concentration index continuously, it is ensured that discharge required low HTO while circulation flow reactor continuous and steady operation continuously.
It addition, as in figure 2 it is shown, in above-mentioned processing procedure, district of control centre high-purity hydrogen superficial gas velocity is higher than annular space district gas speed, and center liquid phase gas holdup is high, and aqueous phase entirety flows up.When aqueous phase height exceedes guide shell height, entered annular space district by action of gravity.Annular space district is less due to hydrogen superficial gas velocity, and aqueous phase entirety moves down.When arriving pod apertures position bottom annular space, being driven by pod apertures pressure at both sides difference, annular space aqueous phase enters center through pod apertures, thus the central gas lift-type circulation patterns that in realizing reactor, center aqueous phase moves upward, annular space moves downward.And reactor head instill annular space district containing HTO through annular tube type distributor 9, the local lifting tritium concentration of annular space district aqueous phase, cause liquid phase mass transfer and reaction motive force to increase, thus improve reaction efficiency further.Thus, by controlling liquid circulation speed or the time of staying, containing HTO feed rate and low HTO rate of withdraw, and hydrogen gas flow, it is possible to convenient, control isotope exchange reaction process in reactor quantitatively, obtain meeting the low HTO of index and high concentration containing hydrogen tritide gas.
Fig. 3 and Fig. 4 is respectively three-dimensional front-view and the sectional view of common loop reactor.In the present embodiment, common loop reactor installation procedure is as follows: guide shell lowermost end arranges fluid sealant, in conjunction with agreeing with structure on sintered plate so that guide shell compresses sintered plate, it is ensured that the sealing between guide shell bottommost inner/outer tube.Loading θ ring filler, packed height is less than guide shell height, then urceolus and top cover passes through Flange joint, then installs temperature-controlling system and heat-insulation layer successively.
This utility model is designed by rational structure, and Gas-liquid interfacial area is big, reaction efficiency is high, and the energy directed flow Han HTO, can also control the liquid phase time of staying simultaneously, thus operating flexibility is big, the tritium level of liquid phase after can controlling quickly and accurately to react.Therefore, this utility model technological progress is fairly obvious, and water goes the design of Tritium reaction device risen to a new height.
Above-described embodiment is only one of preferred implementation of the present utility model; should not be taken to limit protection domain of the present utility model; all in body design thought of the present utility model and the change having no essential meaning made mentally or polishing; it is solved the technical problem that still consistent with this utility model, within all should being included in protection domain of the present utility model.
Claims (6)
1. one kind is removed tritiated common loop reactor for water, it is characterized in that, including top cover, urceolus (5), center air inlet pipe (1), annular space district air inlet pipe (2), sintered plate (3), with pod apertures guide shell (4), be coated with the θ ring filler (6) of hydrophobic catalyst, containing HTO water inlet pipe (7), containing tritium hydrogen purge pipe (8), annular tube type distributor (9) and low HTO outlet pipe (12)；Described top cover is arranged on urceolus (5) top, described annular tube type distributor (9) is positioned at the internal and close top cover of urceolus (5), described the most all penetrate top cover containing HTO water inlet pipe (7) with (8) Han tritium hydrogen purge pipe and connect with outer barrel, and be also connected with annular tube type distributor (9) containing HTO water inlet pipe (7)；Described guide shell (4) is arranged on urceolus (5) interior bottom portion, and outer barrel bottom space is divided into center and annular space district, described center air inlet pipe (1) is penetrated by urceolus (5) bottom and is connected with guide shell (4), for being passed through high-purity hydrogen in center；Described annular space district air inlet pipe (2) connects with urceolus (5) bottom, for being passed through high-purity hydrogen to annular space district；It is internal that described sintered plate (3) is fixed on urceolus (5), and is positioned at guide shell (4) lower section, and urceolus (5) bottom is separated out a hydrogen gas buffering cavity by it；Described θ ring filler (6) is filled in center and annular space district respectively；Described low HTO outlet pipe (12) is connected with urceolus (5) outer wall and connects with annular space district.
The most according to claim 1 a kind of remove tritiated common loop reactor for water, it is characterised in that the ratio of height to diameter of described θ ring filler (6) is 1～1.2.
The most according to claim 2 a kind of remove tritiated common loop reactor for water, it is characterised in that the filling of described θ ring filler (6) is highly less than guide shell height.
4. remove tritiated common loop reactor for water according to a kind of described in any one of claims 1 to 3, it is characterized in that, also include temperature-controlling system, this temperature-controlling system includes being enclosed within outside and symmetrically semi-annular shape structure the heater (10) of urceolus (5), the solid-state relay being connected with this heater (10), and the PID temperature controller being connected with this solid-state relay.
The most according to claim 4 a kind of remove tritiated common loop reactor for water, it is characterised in that described heater (10) and urceolus (5) is outside is the most all enclosed with as heat-insulation layer and aluminosilicate fiber cotton layer (11) that thickness is 2 cm.
6. remove tritiated common loop reactor for water according to a kind of described in claim 1,2,3 or 5, it is characterised in that the cross-sectional area ratio of described annular space district and center is 2.5～5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620237459.8U CN205582521U (en) | 2016-03-25 | 2016-03-25 | A interior circulation flow reactor for water removes tritiation removal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620237459.8U CN205582521U (en) | 2016-03-25 | 2016-03-25 | A interior circulation flow reactor for water removes tritiation removal |
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| Publication Number | Publication Date |
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| CN205582521U true CN205582521U (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620237459.8U Expired - Fee Related CN205582521U (en) | 2016-03-25 | 2016-03-25 | A interior circulation flow reactor for water removes tritiation removal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105654998A (en) * | 2016-03-25 | 2016-06-08 | 中国工程物理研究院材料研究所 | Internal circulation reactor for tritium removal of water and implementation of internal circulation reactor |
-
2016
- 2016-03-25 CN CN201620237459.8U patent/CN205582521U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105654998A (en) * | 2016-03-25 | 2016-06-08 | 中国工程物理研究院材料研究所 | Internal circulation reactor for tritium removal of water and implementation of internal circulation reactor |
| CN105654998B (en) * | 2016-03-25 | 2017-08-29 | 中国工程物理研究院材料研究所 | It is a kind of to remove tritiated common loop reactor and its implementation for water |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 610000 Sichuan Province, Chengdu Shuangliu the Milky Way Road No. 596 Patentee after: Inst. of Materials, Chinese Academy of Engineering Physics Address before: 621700 Jiangyou, Sichuan Huafeng village, No. 9, No. Patentee before: Inst. of Materials, Chinese Academy of Engineering Physics |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20180325 |