CN104766644B - The removing means of particulate matter and particulate matter removing method in nuclear reactor coolant - Google Patents
The removing means of particulate matter and particulate matter removing method in nuclear reactor coolant Download PDFInfo
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- CN104766644B CN104766644B CN201510153255.6A CN201510153255A CN104766644B CN 104766644 B CN104766644 B CN 104766644B CN 201510153255 A CN201510153255 A CN 201510153255A CN 104766644 B CN104766644 B CN 104766644B
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/04—Treating liquids
- G21F9/20—Disposal of liquid waste
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Abstract
The invention discloses in a kind of nuclear reactor coolant particulate matter removing means, in the nuclear reactor coolant, the removing means of particulate matter includes outer cylinder body, inner barrel, the fluid inlet conduit being arranged on outer cylinder body and fluid exit conduit, and the centre bore for being arranged on inner barrel bottom；Make by fluid inlet conduit that the admission velocity direction of fluid is basically identical with the tangential direction of outer cylinder body wall, fluid generates Secondary Flow while for the helical movement；In the presence of Secondary Flow, the fine particle in fluid constantly can be converged in the middle part of outer cylinder body, while under turbulent flow and action of gravity, these fine particles can be deposited in inner core body；Discharge line is set in inner barrel bottom, when fine particle deposits to certain volume, valve can be opened the fine particle of deposition is disposed by the pipeline, so as to complete the present invention；According to the present invention provide nuclear reactor coolant in particulate matter removing means have it is safe efficient, design and control simple the features such as.
Description
Technical field
The present invention relates in nuclear power generating equipment field, more particularly to a kind of nuclear reactor coolant the removing means of particulate matter and
Particulate matter removing method.
Background technology
, in some coolants, inevitably there are some impurity particles in the coolant for being used in nuclear reactor in a large number,
Additionally, in reactor operation, corrosion can be produced to parts such as fuel rod, in-pile components and be washed away, therefore can also produce many thin
Little particle, these fine particles can be as coolant be in the primary Ioops as pressurized-water reactor nuclear power plant " aorta ", tiny
Grain thing can occur deposition in the duct, and particulate matter deposition can cause the heat exchange in pipeline uneven in the duct, affect heat exchange effect
Rate, and the service life of whole primary coolant circuit pipe can be affected, it is related to the safe operation of whole nuclear power station.
At present, for the removing of fine particle in nuclear power generating equipment mainly has the swash plate for removing particulate matter by gravitational settling to sink
Shallow lake pond, the aerofoil profile sedimentation tank reunited with gravitational settling and turbulence collision and various filters, but at present with secondary
Stream, turbulent flow, the method for gravity comprehensive function removing particulate matter are also not directed to.The fine particle that presently, there are removes equipment for straight
The removal effect of the fine particle of footpath very little is not apparent.This is caused in the process fluid flow of core plant equipment pipeline,
It is mingled with many subparticles.The country there is no good particulate matter removing measure, and primary coolant circuit pipe working condition at present
Special, many particulate matter removing measures under high-temperature and high-pressure conditions can be restricted.
Due to the presence of the problems referred to above, the present inventor is studied and is improved to existing fine particle removing sulfuldioxide, with
Phase designs a kind of removing means that is safe efficient, designing and control particulate matter in simple nuclear reactor coolant.
The content of the invention
In order to solve above-mentioned technical problem, the present invention is adopted the following technical scheme that：Particulate matter in the nuclear reactor coolant
Removing means include outer cylinder body, inner barrel, the fluid inlet conduit being arranged on outer cylinder body and fluid exit conduit, Yi Jishe
The centre bore in inner barrel bottom is put, is introduced fluid into by fluid inlet conduit, make admission velocity direction and the outer tube of fluid
The tangential direction in body wall face is basically identical, and fluid will be for the helical movement along outer cylinder body inner surface, due to the viscosity of fluid itself, this
Generation for Secondary Flow provides condition, and in the presence of Secondary Flow, the fine particle in fluid can constantly in the middle part of outer cylinder body
Converge, while under turbulent flow and action of gravity, these fine graineds can be deposited in inner core body, discharge pipe is set in inner barrel bottom
Road, when fine particle deposits to certain volume, can open valve and the fine particle of deposition is disposed by the pipeline, from
And complete the present invention.
Present invention aim at providing following aspect：
(1) in a kind of nuclear reactor coolant particulate matter removing means, it is characterised in that in the nuclear reactor coolant
The removing means of particulate matter includes outer cylinder body 3 and inner barrel 4, and 4 bottom of the inner barrel is provided with centre bore 5, wherein, it is described
Outer cylinder body 3 and inner barrel 4 have predetermined height difference；
Fluid inlet conduit 1 and fluid exit conduit 2 are respectively arranged with the upper and lower of the outer cylinder body 3.
(2) in the nuclear reactor coolant according to above-mentioned (1) particulate matter removing means, it is characterised in that it is described
The height ratio scope of outer cylinder body 3 and inner barrel 4 is in (5～15)：Between 1, the diameter proportion of the outer cylinder body 3 and inner barrel 4
Scope is in (1.5～4)：Between 1；
The fluid inlet conduit 1 apart from the height of 4 top surface of inner barrel and the height ratio scope of inner barrel 4 (8～
20)：Between 1.
(3) in the nuclear reactor coolant according to above-mentioned (1) particulate matter removing means, it is characterised in that it is described
The shape of inner barrel 4 can be the turbination or cylinder of upper opening.
(4) in the nuclear reactor coolant according to above-mentioned (1) particulate matter removing means, it is characterised in that from institute
The velocity attitude for stating the fluid of the entrance of fluid inlet conduit 1 is basically identical with the tangential direction of 3 wall of the outer cylinder body.
(5) in the nuclear reactor coolant according to above-mentioned (4) particulate matter removing means, it is characterised in that it is described
The fluid entered along 3 wall tangential direction of outer cylinder body is for the helical movement along the inner surface of the outer cylinder body 3.
(6) in the nuclear reactor coolant according to above-mentioned (5) particulate matter removing means, it is characterised in that it is described
When for the helical movement, the fine particle in the fluid is converged in the middle part of outer cylinder body 3 fluid from the entrance of fluid inlet conduit 1
And be deposited in inner barrel 4.
(7) in the nuclear reactor coolant according to above-mentioned (1) particulate matter removing means, it is characterised in that it is described
The wall of outer cylinder body 3 includes outer layer 31, interlayer 32 and internal layer 33, and the interlayer 32 is radiation protective layer.
(8) in the nuclear reactor coolant according to above-mentioned (7) particulate matter removing means, it is characterised in that it is described
Radiation protective layer is lead layer.
(9) in the nuclear reactor coolant according to above-mentioned (1) particulate matter removing means, it is characterised in that in institute
State discharge line is provided with below centre bore 5.
(10) a kind of method for removing particulate matter in nuclear reactor coolant, it is characterised in that the method is using above-mentioned
(1) to the removing means realization of particulate matter in the nuclear reactor coolant any one of (9).
According to the removing means of particulate matter in the nuclear reactor coolant that the present invention is provided, have the advantages that：
(1) simple structure of inside and outside cylinder, easy to control, low cost, is easy to safeguard, is advantageously implemented industrialization；
(2) in the nuclear reactor coolant that the present invention is provided, the removing means of particulate matter utilizes the Secondary Flow of fluid, turbulent flow
And action of gravity, it is notable for the less fine particle removal effect of particle diameter；
(3) sandwich design of outer cylinder body so that device is safe and reliable in use；
(4) in the nuclear reactor coolant that the present invention is provided, the removing means of particulate matter can be used for nuclear power generating equipment field one
The removing of particulate matter in the coolant of loop, can also be applied to particulate matter in common field of dynamic engineering each loop fluid
Removing.
Description of the drawings
Fig. 1 is illustrated according to the removing means of particulate matter in a kind of nuclear reactor coolant of preferred implementation of the invention
Dimensional structure diagram；
Fig. 2 is illustrated according to the removing means of particulate matter in a kind of nuclear reactor coolant of preferred implementation of the invention
Sectional view；
Fig. 3 is illustrated according to the removing means of particulate matter in a kind of nuclear reactor coolant of preferred implementation of the invention
Outer cylinder body wall hierarchy schematic diagram.
Drawing reference numeral explanation：
1- fluid inlet conduits
2- fluid exit conduits
3- outer cylinder bodies
31- outer layers
32- interlayers
33- internal layers
4- inner barrels
5- centre bores
Specific embodiment
Below by the present invention is described in detail, the features and advantages of the invention will become more with these explanations
For clear, clear and definite.
Special word " exemplary " means " being used as example, embodiment or illustrative " here.Here as " exemplary "
Illustrated any embodiment is should not necessarily be construed as preferred or advantageous over other embodiments.Although each of embodiment is shown in the drawings
In terms of kind, but unless otherwise indicated, it is not necessary to accompanying drawing drawn to scale.
In describing the invention, it should be noted that term " interior ", " outward ", " on ", the orientation of the instruction such as D score or position
The relation of putting is, based on the orientation or position relationship under working condition of the present invention, to be for only for ease of the description present invention and simplification is retouched
State, rather than indicate or imply indication device or element must have specific orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.
In the present invention, the arrow in Fig. 1 only indicates the direction of fluid inlet and outlet, not with other implications.
In a preferred implementation of the invention, as shown in Fig. 2 particulate matter in the nuclear reactor coolant
Removing means includes outer cylinder body 3 and inner barrel 4, and 4 bottom of the inner barrel is provided with centre bore 5, wherein, the outer cylinder body 3
There is predetermined height difference with inner barrel 4；Fluid inlet conduit 1 and stream are respectively arranged with the upper and lower of the outer cylinder body 3
Body outlet conduit 2, the height of the height of the outer cylinder body 3 higher than the inner barrel 4, inner barrel 4 are enclosed in outer tube by outer cylinder body 3
Inside body 3.
In one preferred embodiment, the height ratio scope of the outer cylinder body 3 and inner barrel 4 is in (5～15)：1
Between, preferably (10～15)：1, the height ratio of height of the fluid inlet conduit 1 apart from 4 top surface of inner barrel and inner barrel 4
Example scope is in (8～20)：Between 1, i.e., outer cylinder body 3 has predetermined height difference with inner barrel 4, and fluid inlet conduit 1 is gone out with fluid
Mouthful pipeline 2 also has predetermined height difference, makes the fine particle in the fluid be deposited in the bottom of inner barrel 4, in the present invention,
3 height of the outer cylinder body is 1.5m～4m, preferably 2m～3m；The height of the inner barrel 4 is 0.05m～0.3m, preferably
0.1m～0.3m；Fluid inlet conduit 1 is 1.2m～3.5m, preferably 1.5m～2.8m apart from the height of 4 top surface of inner barrel；This
The difference in height that sample is formed so that have the more sufficient time for the helical movement into the fluid in the vertical direction in outer cylinder body 3, produces
The stable secondary flow phenomenon of life, in the presence of self gravitation, enables the most of fine particle in fluid to be deposited in described interior
Inside cylinder 4.
Another preferred embodiment in, the diameter proportion scope of the outer cylinder body 3 and inner barrel 4 (1.5～
4)：Between 1, preferably (2～4)：1, enable the inner barrel 4 to accommodate the fine particle in the fluid, in the present invention, institute
State 3 a diameter of 0.5m～2.5m of outer cylinder body, preferably 1m～2m；4 a diameter of 0.2m～1m of the inner barrel, preferably 0.5m～
0.8m；Such design so that have space between the inner barrel 4 and the outer cylinder body 3 so that fluid can be from the outer cylinder body
Smoothly discharge in fluid exit conduit 2 on 3, meanwhile, under certain condition, the diameter of inner barrel 4 can be arranged relatively
Greatly, so can ensure that more fine particles are all converged to inside inner barrel 4 under Secondary Flow effect, improve fine particle
Removing amount.
The fluid inlet conduit 1 can along 3 outer wall top arbitrfary point of outer cylinder body be located tangential direction or with tangent line side
Arrange to the direction for having certain inclination angle, such setting makes the admission velocity direction of fluid and the tangent line of 3 wall of the outer cylinder body
Direction is basically identical, meanwhile, the tangential velocity scope of fluid is in 0.5m/s-8m/s so that fluid does the centrifugation of curvilinear motion
Power should ensure the generation of quadratic equation eddying field, can not produce excessive turbulent flow again, i.e. ensure fluid in cylinder according to desired trajectory
Move and produce stable secondary flow phenomenon；The fluid inlet conduit 1 and fluid exit conduit 2 are separately positioned on outer cylinder body 3
Upper and lower, be so easy to the installation of external fluid conveying machinery, the fluid inlet conduit 1 and fluid exit conduit 2
Difference in height cause pressure differential accordingly, the pressure differential reduces the load of fluid conveying machine, meanwhile, be also beneficial to stream
The precipitation of fine particle and collection in body, the fluid exit conduit 2 can be arranged on any of 3 outer wall bottom of the outer cylinder body
Position, it is preferable that fluid exit conduit 2 is also arranged along the tangential direction of 3 outer wall of outer cylinder body, it is highly preferred that the fluid intake
Pipeline 1 is arranged along the tangential direction in two relative faces of 3 outer wall of outer cylinder body respectively with fluid exit conduit 2, and the fluid enters
The internal diameter of mouth pipeline 1 is preferably 0.02m～0.1m, and the internal diameter of the fluid exit conduit 2 is preferably 0.03m～0.15m, so
Advantageously in the entrance and discharge of the fluid for entering fluid for the helical movement.
In the present invention preferably, in hydrodynamics, fluid flowing because being acted on by transverse pressure along a certain border,
Generate the skew parallel to border, then near border fluid layer due to speed it is less, just than the fluid layer from border farther out
Offset amplitude is big, so as to produce the Secondary Flow being superimposed on main flow, this phenomenon is referred to as secondary flow phenomenon.
The inner barrel 4 is enclosed in inside the outer cylinder body 3 by outer cylinder body 3, it is preferable that the outer cylinder body 3 is sealing
Good structure so that the fluid in outer tube body will not spread or leak outside, and bring unsafe factor to actual production, meanwhile,
The vacuum environment for so causing is also beneficial to fluid and smoothly enters in cylinder from fluid inlet conduit 1, and Jing fluid exit conduits 2
Flow out；When the removing means normal work of particulate matter in the nuclear reactor coolant, if fluid exit conduit 2 is constantly in
During open mode, the fluid in outer cylinder body 3 smoothly can flow out, and not have remnants, be conducive to particulate matter in nuclear reactor coolant
The raising of removal efficiency；If in outer cylinder body 3, fluid accumulation is to opening fluid exit conduit 2 again during certain volume, in outer cylinder body 3
Fluid residuals are had, is unfavorable for that the particulate matter that whole device continues in convection cell is removed.
Height of the height of the outer cylinder body 3 higher than the inner barrel 4, the material of the inner barrel 4 are preferably rustless steel,
Stainless steel has preferable compressive resistance, corrosion resistance；The shape of the inner barrel 4 can be the turbination of upper opening or
Cylinder, in particular it is preferred to be cylinder；The outer cylinder body 3 can be the same or different with the shape of inner barrel 4, preferably
Ground, the outer cylinder body 3 are basically identical with 4 shape of inner barrel, are easy to design, reduce difficulty of processing.
The wall of the outer cylinder body 3 includes outer layer 31, interlayer 32 and internal layer 33, and the interlayer 32 is radiation protective layer, described
The material of the outer layer 31 and internal layer 33 of outer cylinder body 3 is selected from the strong metal of corrosion resistance, in particular it is preferred to be rustless steel, it is described anti-
Radiating layer is lead layer, i.e., the wall of the outer cylinder body 3 is hollow structure, in processing, is first welded outer layer 31 and internal layer 33, then
Irrigate liquid metal lead toward space between the two, the thickness of the lead irrigated inside the interlayer 32 is 2-5mm, density is
10.632g/cm3After lead cooling, liquid lead is frozen into stereotype, as lead is radiation proof material, in the present invention, the nuclear reaction
In reactor coolant, the removing means of particulate matter can be used for the removing of fine particle in primary Ioops coolant in nuclear reactor, pass through
The design of the lead layer of outer cylinder body 3 can preferably prevent radioelement harm to external world.
In one preferred embodiment, from the fluid inlet conduit 1 enter fluid velocity attitude with it is described
The tangential direction of 3 wall of outer cylinder body is basically identical, the viscosity of fluid itself, and fluid makees spiral along the inner surface of outer cylinder body 3
Motion, the easily generation for Secondary Flow provide condition, as fluid flows in predetermined velocity interval, the fine grained in fluid
Thing is affected to produce the convergence power converged in the middle part of outer cylinder body 3 more than centrifugal force for the helical movement by Secondary Flow, meanwhile, stream
There is a certain degree of turbulence in body, along with the effect of self gravitation, make the fine particle side in fluid converge in the middle part of outer cylinder body 3
Poly- side is settled into inner barrel 4, and these physical effect comprehensive functions cause fine particle efficiently to converge to the inside of inner barrel 4
It is poly-.
In one preferred embodiment, it is described from fluid inlet conduit 1 enter fluid when for the helical movement, institute
The fine particle stated in fluid in the middle part of outer cylinder body 3 is converged and is deposited in inner barrel 4, as shown in Fig. 2 the inner barrel 4 sets
The centre position inside the outer cylinder body 3 is put, is easy to collect the fine particle in fluid, the inner barrel 4 and the outer tube
Body 3 can be total to bottom surface and can also be separately provided bottom surface, it is preferable that inner barrel 4 and the common bottom surface of the outer cylinder body 3, to reduce material
Waste, it is cost-effective.
In a preferred mode, discharge line, the diameter model of the centre bore are provided with below the centre bore 5
Enclose the removing dress that the discharge line described in 0.01m-0.04m can connect particulate matter in heretofore described nuclear reactor coolant
Put or other fluid treating devices, wherein, valve is provided with the discharge line, flow-control dress on the valve, is provided with
Put, under normal behaviour in service, the valve closing on pipeline, when fine particle deposits to certain volume, can open valve will
The fine particle of deposition is disposed by the pipeline, and the mode of removing has various, for example, by arranging at the discharge line
Fluid treating device is processing fine particle；By the discharge line is connected to particulate matter in this nuclear reactor coolant
In removing means or other nuclear reactor coolants, on the fluid inlet conduit of the removing means of particulate matter, convection cell is circulated
Process.
In the present invention, the removing means of particulate matter in multiple nuclear reactor coolants can be cascaded realization
In fluid, the efficient removal of fine particle, i.e. fluid exit conduit are filled with the removing of particulate matter in next nuclear reactor coolant
The fluid inlet conduit put is connected.
The method that the present invention also provides particulate matter in a kind of removing nuclear reactor coolant, it is characterised in that the method is
Realized using the removing means of particulate matter in described nuclear reactor coolant, Secondary Flow, turbulent flow of the methods described for fluid
And the comprehensive effect of gravity, under Secondary Flow, the comprehensive function of three kinds of physical effects of turbulent flow and gravity, the nuclear reactor cooling
In agent the removing means of particulate matter to the removing mode of particulate matter in nuclear power generating equipment primary Ioops coolant better than individually with thermophoresis,
The equipment of the physical action such as gravity or turbulent flow.
Embodiment
The present invention is further described below by way of instantiation.
Embodiment 1
(1) it is 1095.1 μ Pas by viscosity, particle object fraction is 1.8%, and rate of flow of fluid is pressed for the heavy water of 2m/s
Fluid inlet conduit according to certain flow velocity from internal diameter for 0.02m is input to granule in nuclear reactor coolant of the present invention
The size of the removing means of thing, described device outer cylinder body and inner barrel is as follows：
The height of outer cylinder body is 2m, a diameter of 1m；The height of inner barrel is 0.1m, a diameter of 0.5m；
(2) after 5 minutes, sample from fluid exit conduit of the internal diameter for 0.025m, carry out fine particle concentration survey
Try, acquired results are：After the removing means of the particulate matter, in fluid, particle object fraction becomes 0.4%.
Embodiment 2
(1) by viscosity be 890.08 μ Pas, particle object fraction be 2.5%, flow velocity for 5m/s water, from internal diameter
Fluid inlet conduit for 0.04m is input to particulate matter in sequential series two nuclear reactor coolant of the present invention
The size of removing means, described device outer cylinder body and inner barrel is as follows：
The height of outer cylinder body is 3m, a diameter of 1.2m；The height of inner barrel is 0.2m, a diameter of 0.4m；
(2) after 5 minutes, sample from fluid exit conduit of the internal diameter for 0.045m, carry out fine particle concentration survey
Try, acquired results are：After the removing means of the particulate matter, in fluid, particle object fraction becomes 0.52%.
Found according to experimental result：In nuclear reactor coolant disclosed in this invention, the removing means of particulate matter is to granule
Thing has obvious removal effect.
According to the removing means of particulate matter in the nuclear reactor coolant that the present invention is provided, have the advantages that：
(1) simple structure of inside and outside cylinder, easy to control, low cost, is easy to safeguard, is advantageously implemented industrialization；
(2) in the nuclear reactor coolant that the present invention is provided, the removing means of particulate matter utilizes the Secondary Flow of fluid, turbulent flow
And action of gravity, it is notable for the less fine particle removal effect of particle diameter；
(3) sandwich design of outer cylinder body so that device is safe and reliable in use；
(4) in the nuclear reactor coolant that the present invention is provided, the removing means of particulate matter can be used for nuclear power generating equipment field one
The removing of particulate matter in the coolant of loop, can also be applied to particulate matter in common field of dynamic engineering each loop fluid
Removing.
For the description of the concrete scope of plant bulk in description, simply the present invention in most preferred embodiment embodiment,
Limitation of the present invention can not be interpreted as, the device provided in the present invention can be zoomed in or out according to predetermined ratio, with suitable
Answer the application of different occasions.
The present invention is described in detail above in association with specific embodiment and exemplary example, but these explanations are simultaneously
It is not considered as limiting the invention.It will be appreciated by those skilled in the art that without departing from the spirit and scope of the invention,
Various equivalencings, modification can be carried out to technical solution of the present invention and embodiments thereof or is improved, these each fall within the present invention
In the range of.Protection scope of the present invention is defined by claims.
Claims (6)
1. in a kind of nuclear reactor coolant particulate matter removing means, it is characterised in that：Granule in the nuclear reactor coolant
The removing means of thing includes outer cylinder body (3) and inner barrel (4), and the inner barrel (4) bottom is provided with centre bore (5), wherein,
The outer cylinder body (3) and inner barrel (4) are with predetermined height difference；
Fluid inlet conduit (1) and fluid exit conduit (2) are respectively arranged with the upper and lower of the outer cylinder body (3),
The tangential direction base of the velocity attitude of the fluid entered from the fluid inlet conduit (1) and the outer cylinder body (3) wall
This is consistent,
The fluid entered along the outer cylinder body (3) wall tangential direction is for the helical movement along the inner surface of the outer cylinder body (3),
, when for the helical movement, the fine particle in the fluid is to outer tube for the fluid entered from the fluid inlet conduit (1)
Converge in the middle part of body (3) and be deposited in inner barrel (4)；
The height ratio scope of the outer cylinder body (3) and inner barrel (4) is in (5～15)：Between 1, the outer cylinder body (3) and inner core
The diameter proportion scope of body (4) is in (1.5～4)：Between 1；
The fluid inlet conduit (1) apart from the height of inner barrel (4) top surface and the height ratio scope of inner barrel (4) (8～
20)：Between 1.
2. in nuclear reactor coolant according to claim 1 particulate matter removing means, it is characterised in that the inner core
The shape of body (4) can be the turbination or cylinder of upper opening.
3. in nuclear reactor coolant according to claim 1 particulate matter removing means, it is characterised in that the outer tube
The wall of body (3) includes outer layer (31), interlayer (32) and internal layer (33), and the interlayer (32) is radiation protective layer.
4. in nuclear reactor coolant according to claim 3 particulate matter removing means, it is characterised in that the anti-spoke
Layer is penetrated for lead layer.
5. in nuclear reactor coolant according to claim 1 particulate matter removing means, it is characterised in that in described
Heart hole is provided with discharge line below (5).
6. it is a kind of removing nuclear reactor coolant in particulate matter method, it is characterised in that the method be using aforesaid right will
Ask what the removing means of particulate matter in the nuclear reactor coolant any one of 1 to 5 was realized.
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| Application Number | Priority Date | Filing Date | Title |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108310888B (en) * | 2018-03-27 | 2023-11-24 | 华北电力大学 | Passive particulate matter removing device of supercritical system |
| CN108414406B (en) * | 2018-04-27 | 2024-04-12 | 华北电力大学 | Supercritical window experiment system |
| CN109250835B (en) * | 2018-11-21 | 2023-11-14 | 华北电力大学 | Gravity type supercritical water fine particle thermophoresis removing device |
| CN109481817B (en) * | 2018-12-18 | 2024-03-19 | 杭州山友医疗器械有限公司 | Carbon dioxide absorbing tank |
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| CN200991663Y (en) * | 2006-12-27 | 2007-12-19 | 株洲滴水恩环保科技有限责任公司 | Efficient secondary flow grading sieve |
| CN101658737A (en) * | 2008-08-26 | 2010-03-03 | 南宁天胜科技有限责任公司 | Rotational-flow gravity settling and separating method and device thereof |
| LT5846B (en) * | 2011-04-13 | 2012-06-25 | Vilniaus Gedimino technikos universitetas, , | Acoustic cyclone |
| CN204558040U (en) * | 2015-04-01 | 2015-08-12 | 华北电力大学 | In nuclear reactor coolant, particle removes device |
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2015
- 2015-04-01 CN CN201510153255.6A patent/CN104766644B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200991663Y (en) * | 2006-12-27 | 2007-12-19 | 株洲滴水恩环保科技有限责任公司 | Efficient secondary flow grading sieve |
| CN101658737A (en) * | 2008-08-26 | 2010-03-03 | 南宁天胜科技有限责任公司 | Rotational-flow gravity settling and separating method and device thereof |
| LT5846B (en) * | 2011-04-13 | 2012-06-25 | Vilniaus Gedimino technikos universitetas, , | Acoustic cyclone |
| CN204558040U (en) * | 2015-04-01 | 2015-08-12 | 华北电力大学 | In nuclear reactor coolant, particle removes device |
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