CN202844647U - Boric acid degassing tower - Google Patents
Boric acid degassing tower Download PDFInfo
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- CN202844647U CN202844647U CN 201220504681 CN201220504681U CN202844647U CN 202844647 U CN202844647 U CN 202844647U CN 201220504681 CN201220504681 CN 201220504681 CN 201220504681 U CN201220504681 U CN 201220504681U CN 202844647 U CN202844647 U CN 202844647U
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Abstract
The utility model discloses a boric acid degassing tower. The boric acid degassing tower comprises a tower kettle with a lower part for heating liquid and a tower body, wherein multiple groups of filler components which are longitudinally arranged at intervals are arranged in the tower body, a liquid feed port and a tower body gas outlet are arranged at the top of the tower body, a steam channel communicated with the tower kettle is arranged in the tower body, a filler gas outlet is arranged at the lower part of each filler component, the steam channel is used for communicating the filler gas outlet of one filler component or the tower kettle with the top of the adjacent filler component at the upper part, then steam in the tower kettle can enter from the top of each filler component and flow out of the filler gas outlet of the filler component, a liquid collecting device is arranged above each filler component, and the top liquid collecting device is positioned below the liquid feed port. The boric acid degassing tower disclosed by the utility model has the advantages of larger gas phase load, very thin liquid film formed by a liquid phase due to impact of a gas phase, and smaller outward diffusion resistance of target gas to be degassed in the liquid phase, and can further improve the degassing efficiency and realize deep degassing of radioactive gas in a boric acid solution in the field of nuclear industry.
Description
Technical field
The utility model belongs to the nuclear power technology field, relates to a kind of degassing tower, relates in particular to a kind of boric acid degassing tower.
Background technology
The tower that relates at present gas-liquid mass transfer in the chemical process mainly contains packed tower, sieve-plate tower, bubble column, valve tower etc., and these gas-liquid mass transfer (contact) equipments are used for distillation or rectifying realizes separating.The gas that wherein removes in the liquid adopts aeration usually, namely blast in the liquid air or other inert gases carry out degassed, but above-mentioned tower pressure drop is fast, degassing efficiency is not high.
Nuclear power station boric acid recovery system is for the reusable one circuit cools agent that receives nuclear power station appearance system letdown line, nuclear island exhaust and draining system, need to process this part reusable waste liquid.During recovery, first through filtering and desalination, remove denier impurity wherein after, enter the off gas system degasification, radgas such as Xe, the Kr etc. of the trace that dissolves in the liquid are removed in the lump with nitrogen envelope gas, be disposed to exhaust treatment system and focus on.For removing the trace-level activity gas (Xe, Kr etc. and nitrogen envelope gas) that dissolves in rare BAS, traditional degassing tower is to utilize the gas-liquid convection mass transfer to remove gas, specifically sour water descends from the cat head spray, adds the steam of thermosetting upwards in tower reactor, forms the gas-liquid convection mass transfer.But the gas phase of gas-liquid convection mass transfer load can't improve, and the tower liquid phase can not be disperseed well, and it is larger to the resistance of external diffusion that the target in the liquid phase removes gas, so that this method degassing efficiency is low, can not satisfy the degassed requirement of nuclear power station.
The utility model content
The technical problems to be solved in the utility model is, for liquid phase in the prior art degassing tower can not disperse well, target in the liquid phase removes gas to the defective that resistance is large, degassing efficiency is low of external diffusion, provide a kind of gas phase load liquid film that impact large, gas phase forms liquid phase very thin so that the target in the liquid phase removes gas to the resistance force diminishes of external diffusion, and then improve the boric acid degassing tower of degassing efficiency; Realized that the nuclear industry field degree of depth of radgas in BAS is degassed.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of boric acid degassing tower, comprise that the bottom is used for the tower reactor of heating liquid, be fixed on the tower body of tower reactor top, be provided with the many groups of filler assemblies that are intervally arranged up and down in the described tower body, the tower body top is provided with liquid inlet opening, the tower body gas outlet, be provided with the steam channel with tower reactor UNICOM in the described tower body, each described filler assembly bottom is provided with the filler gas outlet, the top UNICOM of the filler assembly that described steam channel is adjacent with the top with the filler gas outlet of a filler assembly or tower reactor, so that the steam in the tower reactor enters from each filler assembly top and flow out from the filler gas outlet of this filler assembly, each described filler assembly top is provided with fluid collection device, and the fluid collection device of the top is positioned at described liquid inlet opening below.
Described fluid collection device comprises the dividing plate of horizontally set, the overflow launder that the dividing plate below arranges, described dividing plate bottom surface is provided with the downspout of downward tapping, described downspout bottom is inserted in the overflow launder, and described overflow launder is arranged in each filler assembly top so that the liquid of overflow launder overflow enters filler assembly from the filler assembly top; The shape of described dividing plate and filler assembly form fit are so that dividing plate is accepted the liquid that filler assembly falls fully.
Described steam channel is enclosed to cover by dividing plate, tower body inwall and filler assembly side wall surface and forms, and only leaves the filler air inlet between described dividing plate and filler assembly top.
All described dividing plates are crisscross arranged in tower body, and described filler air inlet and filler gas outlet be in the homonymy setting of filler assembly, so that steam is moving at the tower body introversion circulation that turns back.
Described filler assembly comprises two-layer at least filling block setting up and down, and all described filling blocks are connected to form an integral body by connector.
Described filling block comprises the main board of slab construction, and described main board periphery is provided with the upwards flanging of turnover, has the through hole of liquid communication on the described main board; The through hole in the vertical direction that arranges on two adjacent described filling blocks is staggered, avoids the straight-through of neighbouring through hole in the vertical direction.
The through hole that arranges on each described filling block is equilateral triangle arranges, two staggered 90 ° of settings of adjacent filling block.
A plurality of described connectors are spirally connected up and down described filling block is fixed and link together; Perhaps a plurality of described connectors up and down tight fit peg graft described filling block is fixed and link together.
Described connector comprises the carrier on top, the Plug Division of bottom, have connecting hole on the described filling block, described carrier axially has inserting groove, and the inserting groove that the carrier of described connecting hole and adjacent connector is passed in described Plug Division is spirally connected, and adjacent filling block is fixed together.
Corresponding described liquid inlet opening is provided with the sparge pipe of ejection liquid in the described tower body.
Be provided with heater in the described tower reactor, described heater is immersed in the interior liquid of tower reactor.
Be provided with fluid collection device between described tower body and the tower reactor.
Boric acid degassing tower of the present utility model comprises that the bottom is used for the tower reactor of heating liquid, is fixed on the tower body of tower reactor top, be provided with the many groups of filler assemblies that are intervally arranged up and down in the described tower body, liquid flows downward from the tower body top, the continuous gas phase that adds the thermosetting high load capacity in the tower reactor flows from bottom to top, because the utility model is provided with steam channel in tower body, steam channel guiding steam enters from the filler assembly top and flows out from the filler gas outlet of this filler assembly bottom, flow downward with liquid, form and spread matter.The utility model so that liquid phase and gas phase in filler assembly, produce and flow contact mass transfer, because the gas phase load is larger, gas phase can get liquid phase impact in filler assembly more disperses, the liquid film that the impact of gas phase forms liquid phase is very thin so that the target in the liquid phase removes gas to the resistance force diminishes of external diffusion, so that gas phase contacts with liquid phase is more abundant, improve mass transfer effect, thereby effectively improved degassing efficiency.And because the equilibrium partial pressure of radgas dividing potential drop in the sour water in the steam, so that the desorption speed of equipment, radgas is desorbed out gradually.Degassing tower of the present utility model is simple in structure, and processing and manufacturing is easy, and operating cost is low, and is easy to maintenance.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of the utility model embodiment sparge pipe;
Fig. 3 is the structural representation of the utility model embodiment filler assembly;
Fig. 4 is the structural representation of the utility model embodiment filling block;
Fig. 5 is the structural representation of the utility model embodiment connector.
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast accompanying drawing and describe the specific embodiment of the present utility model in detail.
As shown in Figure 1, a kind of boric acid degassing tower, its main body is vertical, comprises that the bottom is used for the tower reactor 2 of heating liquid, is fixed on the tower body 1 of tower reactor 2 tops, and the two is hollow structure.
As shown in Figure 1, be provided with heater 9 in the tower reactor 2, heater 9 is electric heater, is used for the boric acid heating liquid with tower reactor 2 energy.Heater 9 adopts electrically heated mode, has changed steam-heated mode in the prior art, and more simple with respect to traditional Steam Heating, cost is lower, and adjustment speed is faster.Heater 9 setting positions are positioned at the middle and lower part of tower reactor 2, in the boric acid liquid of the tower reactor of submerging fully 2.Heater 9 provides liquid to heat up and evaporates required heat, and its power depends on the fluid flow of processing; Be provided with material liquid outlet in tower reactor 2 bottoms, material liquid outlet pipe 10 is fixed on the material liquid outlet at the bottom of the tower, and material liquid outlet pipe 10 is a vertical short tube.
As shown in Figure 1, tower body 1 is tubular structure, and its height and diameter are according to boric acid scale design to be processed, and the tower body 1 of present embodiment is that the cylindrical shell of up and down two joint different-diameters is formed by connecting by the tapering transition section.Tower body 1 be shaped as cylindricality, its shape of cross section is not construed as limiting, and is preferably circle, rectangle, ellipse.Tower body 1 is designed to conventional design, does not repeat them here.
Be provided with the many groups of filler assemblies that are intervally arranged up and down 7 in the described tower body 1, filler assembly 7 is fixed on tower body 1 inwall, tower body 1 top is provided with liquid inlet opening 5, tower body gas outlet 3, wherein liquid inlet opening 5 tower body gas outlets 3 are positioned at tower body 1 top center, and tower body gas outlet 3 is positioned at tower body 1 top one side.Liquid inlet opening 5 is the imports that boric acid liquid pumped into tower body 1, corresponding liquid inlet opening 5 is provided with the sparge pipe 51 with the liquid dispersion ejection, the Main Function of sparge pipe 51 is that uniform liquid is sprayed, form droplet, therefore sparge pipe 51 shapes and structure are not construed as limiting, as long as can realize the hydrojet purpose.Sparge pipe 51 shapes can be straight tubes, also can be the pipes of other shapes, such as Y shape, U-shaped, E font etc., and present embodiment is straight tube.
As shown in Figure 2, have some spray orifices 52 on the sparge pipe 51, arranging of spray orifice 52 arranges according to actual needs, the spray orifice 52 of can on sparge pipe 51, all arranging, also can spray orifice 52 be set in sparge pipe 51 parts, spray orifice 52 can be even setting, also can not be even setting.The aperture of spray orifice 52 also is to arrange according to actual needs, and the utility model is not construed as limiting.In the present embodiment, spray orifice 52 is arranged on the top of sparge pipe 51, and spray orifice 52 arranges at least two rows, adjacent two rows' spray orifice 52 is crisscross arranged, present embodiment preferably arranges four row's spray orifices 52, and spray orifice 52 in the vertical directions are symmetrical, and the angle of spray orifice 52 centers and horizontal plane is respectively 30 ° and 45 °.Can also be other angles except this set.Because what present embodiment sparge pipe 51 adopted is the spray orifice 52 that has some small diameters at straight tube, the borate of liquid phase is through spray orifice 52 ejections on the sparge pipe 51, so that liquid contacts with rising steam is more abundant, and the raising mass-transfer efficiency.
As shown in Figure 1, tower body gas outlet 3 is steam (vapor) outlets, the steam that converges to tower body 1 top is discharged by tower body gas outlet 3, the backflow mouth of pipe 4 that arranges by tower body 1 top that refluxes behind the external heat exchanger cooling condensation enters in the tower body 1, the backflow mouth of pipe 4 is arranged on liquid inlet opening 5 tops, and the liquid of backflow again carries out with steam with the liquid of sparge pipe 51 and spreads matter.
Be provided with the steam channel 8 with tower reactor 2 UNICOMs in the described tower body 1, each described filler assembly 7 bottom is provided with filler gas outlet (not shown), the top UNICOM of the filler assembly 7 that described steam channel 8 is adjacent with the top with the filler gas outlet of a filler assembly 7 or tower reactor 2, so that the steam in the tower reactor 2 enters from each filler assembly 7 top and flow out from the filler gas outlet of this filler assembly 7, each described filler assembly 7 top is provided with fluid collection device 6, and the fluid collection device 6 of the top is positioned at described liquid inlet opening 5 belows.The setting of steam channel 8 is in order to guide steam flow, so that steam must enter into this filler assembly 7 from each filler assembly 7 top, and from this filler assembly 7 belows outflow, keeps identical with flow direction.The structure of steam channel 8 is not construed as limiting, and can be the special pipeline that arranges, and steam can only pass through from pipeline, the flow direction of guiding steam.In addition, can also form passage by the tower body 1 interior parts that arrange itself, present embodiment adopts this mode exactly.
As shown in Figure 1, described fluid collection device 6 is to be undertaken and spread matter together and by filler assembly 7 and gas phase for the liquid collection that will progressively fall from tower body 1 top.Avoid liquid directly to fall to tower reactor 2, cause mass transfer insufficient, waste energy.Fluid collection device 6 comprises the dividing plate 61 of horizontally set, the overflow launder 63 that dividing plate 61 belows arrange, described dividing plate 61 bottom surfaces are provided with the downspout 62 of downward tapping, described downspout 62 bottoms are inserted in the overflow launder 63, and described overflow launder 63 is arranged in each filler assembly 7 top so that the liquid of overflow launder 63 overflows enters filler assembly 7 from filler assembly 7 tops.
Dividing plate 61 plays collecting action, and its size and shape only needs to cooperate with the parts of its top, and wherein dividing plate 61 shapes of topmost cooperate with sparge pipe 51, can accept major part until the liquid that all falls.Remaining dividing plate 61 shape, structure and filler assembly 7 shapes, respective outer side edges are so that dividing plate 61 is accepted the liquid that filler assembly 7 falls fully.
The effect of downspout 62 is that the liquid that dividing plate 61 is collected is imported in the overflow launder 63, enters into the top of filler assembly 7 by overflow launder 63 again.Downspout 62 is inserted in the overflow launder 63, and downspout 62 is to form the fluid-tight with certain pressure with cooperating of overflow launder 63, avoids steam not flow downward and directly make progress from downspout 62 from filler assembly 7 and flows, and causes the low problem of mass-transfer efficiency.
Below the filler assembly 7 of foot, be also to be provided with fluid collection device 6 between tower body 1 and the tower reactor 2, its structure is with the fluid collection device 6 of other positions, the fluid collection device 6 at this place can not arrange yet, so that the liquid that flows out from the filler assembly 7 of foot directly enters into tower reactor 2.
As shown in Figure 1, described steam channel 8 is enclosed to cover by dividing plate 61, tower body 1 inwall and filler assembly 7 side wall surfaces and forms, dividing plate 61, tower body 1 inwall and filler assembly sidewall 73 form an enclosure space, only between described dividing plate 61 and filler assembly 7 tops, leave filler air inlet 74, so that filler air inlet 74 unique passage that is steam avoids steam directly up.Therefore, dividing plate 61 1 lateral edges are fixedly connected with tower body 1 inwall, and the opposite side edge is fixedly connected with filler assembly sidewall 73.
In order to form the passage of tortuous winding, and avoid steam directly up, all described dividing plates 61 are crisscross arranged in tower body 1, and described filler air inlet 74 and filler gas outlet be not in the homonymy setting of filler assembly 7, not corresponding under steam channel 8 in the vertical directions like this, do not form beeline channel, so that steam is moving at the tower body 1 introversion circulation that turns back, improve mass-transfer efficiency.
The filler gas outlet is arranged on the bottom of filler assembly 7, and set-up mode has multiple, a kind of being arranged on the filler assembly sidewall 73, and another kind is to arrange on filler assembly 7 bottom surfaces.The filler gas outlet is arranged on the sidewall of filler assembly 7 in the present embodiment, namely on the filler assembly side plate.
Filler assembly 7 magnitude settings according to actual needs, present embodiment is provided with four filler assemblies 7, also can suitably increase and decrease as required the filling block number of filler assembly 7 numbers and each filler assembly 7.
As shown in Figure 3, described filler assembly 7 comprises two-layer at least filling block setting up and down 71, and all described filling blocks 71 are connected to form an integral body by connector 72, and described filling block 71 outer being provided with are enclosed the filler assembly side plate 73 that covers with all filling blocks 71.Described filling block 71 comprises the main board 711 of slab construction, as shown in Figure 4, described main board 711 peripheries are provided with the upwards flanging 712 of turnover, and the slab construction of main board 711 adds upper hem 712 so that liquid can form the liquid film of thin layer, the descending liquid film that blows of steam, it is degassed to carry out mass transfer.The shape of filling block 71 is not construed as limiting, and can be any shape, and the shape of present embodiment preferred filler piece 71 and tower body 1 inner wall shape cooperate consistent, for circular, oval etc.Leave the gap between the adjacent filling block 71, have the filler gas outlet on the filler assembly side plate 73.
Shown in Fig. 3,4, have the through hole 714 of fluid circulation on the described main board 711; Through hole 714 in the vertical directions that arrange on two adjacent described filling blocks 71 are staggered, avoid the straight-through of neighbouring through hole 714 in the vertical directions.The shape of through hole 714 is not construed as limiting, and can be any shape, circular, ellipse hole 714.Filling block 71 is made by metallic plate, only has a kind of metal plate structure, and processing is installed and is easy to maintenance.
Arranging of through hole 714 can be any mode, even or inhomogeneously all can, through hole 714 in the vertical directions that arrange on two adjacent described filling blocks 71 are staggered, avoid the straight-through of neighbouring through hole 714 in the vertical directions, so just form the baffling effect of fluid, strengthen the contact effect, improved degassing efficiency.Present embodiment is preferably evenly arranged, and the through hole 714 that particularly preferably arranges on each described filling block 71 is equilateral triangle arranges, two adjacent filling blocks 71 staggered 90 ° of settings so that neighbouring through hole 714 in the vertical direction is straight-through.
As shown in Figure 3, connector 72 is for being connected and fixed of filling block 71, and makes it form an integral body, and the structure of connector 72 has various ways, and a kind of is to be fixedly connected with, and another kind is to removably connect.When employing is fixedly connected with, can be to weld, rivet or directly be made of one structure.Removably connecting, many employings are spirally connected, the modes such as grafting of interference fit.Connector 72 can be to adopt from top to bottom a connector 72 that all filling blocks 71 are linked together, and also can be to adopt a plurality of connectors 72 to connect respectively.Connector 72 setting positions also can have various ways, can be arranged on filling block 71 edges, middle part, and connector 72 arranges at least two with stablizing of keeping connecting.
Shown in Fig. 3,5, in removably connecting, preferred a plurality of described connectors 72 are spirally connected up and down described filling block 71 is fixed and link together; Perhaps a plurality of described connectors about in the of 72 tight fit peg graft described filling block 71 is fixed and link together.In the present embodiment, described connector 72 is column structure, comprise the carrier 721 on top, the Plug Division 722 of bottom, have connecting hole 713 at described filling block 71, described carrier 721 axially has inserting groove 723, the inserting groove 723 that the carrier 721 of described connecting hole 713 and adjacent connector 72 is passed in described Plug Division 722 is spirally connected, and adjacent filling block 71 is fixed together.Corresponding each filler assembly 7 adopts four connectors 72 in the present embodiment, and connector 72 is separately positioned on filling block 71 edges, and connector 72 evenly arranges.
As shown in Figure 4, circular filling block 71 is simple in structure, and cost is easy for installation; Filler assembly 7 of the present utility model is to be formed by connecting by some perforated filling material pieces 71, and the hole is equilateral triangle and distributes, and adjacent up and down filling block 71 is for avoiding the hole straight-through, staggered 90 ° of settings, form the baffling effect of fluid, strengthen the contact effect, improved degassing efficiency.BAS ejects from the feed pipe on tower top, forms first convective mass transfer with rising steam,
As shown in Figure 1, 2, BAS ejects from the sparge pipe 51 on tower body 1 top, forms first convective mass transfer with rising steam, and then liquid phase and gas phase are carried out in filler assembly 7 and flowed contact mass transfer.Because the equilibrium partial pressure of radgas dividing potential drop in the sour water in the steam is so that the desorption speed of equipment.Liquid phase from top to bottom, through in some filler assemblies 7 with steam and spread matter, radgas is desorbed out gradually.
Claims (10)
1. boric acid degassing tower, comprise that the bottom is used for the tower reactor of heating liquid, be fixed on the tower body of tower reactor top, be provided with the many groups of filler assemblies that are intervally arranged up and down in the described tower body, the tower body top is provided with liquid inlet opening, the tower body gas outlet, it is characterized in that, be provided with the steam channel with tower reactor UNICOM in the described tower body, each described filler assembly bottom is provided with the filler gas outlet, the top UNICOM of the filler assembly that described steam channel is adjacent with the top with the filler gas outlet of a filler assembly or tower reactor, so that the steam in the tower reactor enters from each filler assembly top and flow out from the filler gas outlet of this filler assembly, each described filler assembly top is provided with fluid collection device, and the fluid collection device of the top is positioned at described liquid inlet opening below.
2. boric acid degassing tower according to claim 1, it is characterized in that, described fluid collection device comprises the dividing plate of horizontally set, the overflow launder that the dividing plate below arranges, described dividing plate bottom surface is provided with the downspout of downward tapping, described downspout bottom is inserted in the overflow launder, and described overflow launder is arranged in each filler assembly top so that the liquid of overflow launder overflow enters filler assembly from the filler assembly top; The shape of described dividing plate and filler assembly form fit are so that dividing plate is accepted the liquid that filler assembly falls fully.
3. boric acid degassing tower according to claim 2 is characterized in that, described steam channel is enclosed to cover by dividing plate, tower body inwall and filler assembly side wall surface and forms, and only leaves the filler air inlet between described dividing plate and filler assembly top.
4. boric acid degassing tower according to claim 3 is characterized in that, all described dividing plates are crisscross arranged in tower body, and described filler air inlet and filler gas outlet be in the homonymy setting of filler assembly, so that steam is moving at the tower body introversion circulation that turns back.
5. the described boric acid degassing tower of any one according to claim 1～4, it is characterized in that, described filler assembly comprises two-layer at least filling block setting up and down, all described filling blocks are connected to form an integral body by connector, and described filling block is provided with outward all filling blocks are enclosed the filler assembly side plate that covers.
6. boric acid degassing tower according to claim 5 is characterized in that, described filling block comprises the main board of slab construction, and described main board periphery is provided with the upwards flanging of turnover, has the through hole of liquid communication on the described main board; The through hole in the vertical direction that arranges on two adjacent described filling blocks is staggered, avoids the straight-through of neighbouring through hole in the vertical direction.
7. boric acid degassing tower according to claim 5 is characterized in that, the through hole that arranges on each described filling block is equilateral triangle arranges, two staggered 90 ° of settings of adjacent filling block.
8. boric acid degassing tower according to claim 5 is characterized in that, a plurality of described connectors are spirally connected up and down described filling block is fixed and link together; Perhaps a plurality of described connectors up and down tight fit peg graft described filling block is fixed and link together.
9. boric acid degassing tower according to claim 8, it is characterized in that, described connector comprises the carrier on top, the Plug Division of bottom, have connecting hole on the described filling block, described carrier axially has inserting groove, the inserting groove that the carrier of described connecting hole and adjacent connector is passed in described Plug Division is spirally connected, and adjacent filling block is fixed together.
10. the described boric acid degassing tower of any one is characterized in that according to claim 1～4, and corresponding described liquid inlet opening is provided with the sparge pipe of ejection liquid in the described tower body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220504681 CN202844647U (en) | 2012-09-29 | 2012-09-29 | Boric acid degassing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220504681 CN202844647U (en) | 2012-09-29 | 2012-09-29 | Boric acid degassing tower |
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| CN202844647U true CN202844647U (en) | 2013-04-03 |
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| CN 201220504681 Expired - Lifetime CN202844647U (en) | 2012-09-29 | 2012-09-29 | Boric acid degassing tower |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344981A (en) * | 2013-06-13 | 2013-10-09 | 中科华核电技术研究院有限公司 | Method and device for test detection of degassing factors of degassing tower of nuclear power plant |
| CN103611713A (en) * | 2013-11-08 | 2014-03-05 | 常州大学 | Cleaning device and cleaning method for dirt at top of distilling tower and whole distilling tower |
| US10688413B2 (en) | 2015-06-18 | 2020-06-23 | General Electric Technology Gmbh | Gas stripper system |
-
2012
- 2012-09-29 CN CN 201220504681 patent/CN202844647U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344981A (en) * | 2013-06-13 | 2013-10-09 | 中科华核电技术研究院有限公司 | Method and device for test detection of degassing factors of degassing tower of nuclear power plant |
| CN103344981B (en) * | 2013-06-13 | 2016-06-01 | 中广核研究院有限公司 | The method for testing and detecting of the testing inspection Nuclear power plants degassing tower degasification factor and device |
| CN103611713A (en) * | 2013-11-08 | 2014-03-05 | 常州大学 | Cleaning device and cleaning method for dirt at top of distilling tower and whole distilling tower |
| US10688413B2 (en) | 2015-06-18 | 2020-06-23 | General Electric Technology Gmbh | Gas stripper system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 518000 Guangdong province Futian District Shangbu Road West of the city of Shenzhen Shenzhen science and technology building 15 layer (1502-1504, 1506) Patentee after: CHINA NUCLEAR POWER TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. Patentee after: CHINA GENERAL NUCLEAR POWER Corp. Patentee after: CHINA NUCLEAR POWER ENGINEERING Co.,Ltd. Address before: 518000 Guangdong, Futian District, Yitian Road, building A, block, building on the whole floor of A1301-1320 13 Patentee before: CHINA NUCLEAR POWER TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. Patentee before: CHINA GUANGDONG NUCLEAR POWER GROUP Co.,Ltd. Patentee before: CHINA NUCLEAR POWER ENGINEERING Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130403 |
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| CX01 | Expiry of patent term |