CN104766644A - Device and method for removing particles in nuclear reactor coolant - Google Patents
Device and method for removing particles in nuclear reactor coolant Download PDFInfo
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- CN104766644A CN104766644A CN201510153255.6A CN201510153255A CN104766644A CN 104766644 A CN104766644 A CN 104766644A CN 201510153255 A CN201510153255 A CN 201510153255A CN 104766644 A CN104766644 A CN 104766644A
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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 a device for removing particles in a nuclear reactor coolant. The device comprises an outer barrel body, an inner barrel body, a liquid inlet pipeline, a liquid outlet pipeline, and a central hole formed in the bottom part of the inner barrel body, wherein the liquid inlet pipeline and the liquid outlet pipeline are arranged on the outer barrel body; the feeding speed and direction of liquid are basically consistent with the tangential line direction of the wall surface of the outer barrel body through the liquid inlet pipeline; liquid generates secondary flow while spirally moves; fine particles in the liquid can be continuously collected to the middle part of the outer barrel body under the effect of the secondary flow and can be deposited in the inner barrel body under the effects of turbulent flow and gravity; a discharging pipeline is arranged at the bottom part of the inner barrel body; when the fine particles are deposited to reach a certain of volume, a valve is opened to remove the deposited fine particles through the pipeline. The device has the characteristics of being safe, efficient, and safe in design and to control.
Description
Technical field
The present invention relates to nuclear power generating equipment field, what particularly relate to particle in a kind of nuclear reactor coolant removes device and particulate matter removing method.
Background technology
A large amount of cooling medium used in nuclear reactor, inevitably there are some impurity particles in some cooling mediums, in addition, when reactor operation, can to fuel rod, the parts such as in-pile component produce corrosion and wash away, therefore also many fine particles can be produced, these fine particles can enter in the primary Ioops as pressurized-water reactor nuclear power plant " sustainer " along with cooling medium, fine particle thing can deposit in the duct, particle deposition can cause the heat exchange in pipeline uneven in the duct, affect heat exchange efficiency, and the serviceable life of whole primary coolant circuit pipe can be affected, be related to the safe operation of whole nuclear power station.
At present, removing to mainly contain and remove the inclined-plate clarifying basin of particle, the aerofoil profile settling basin using gravity settling and turbulence collision to reunite and various filtrator by gravity settling for fine particle in nuclear power generating equipment, but use Secondary Flow, turbulent flow at present, method that gravity combined action removes particle also do not relate to.It is not clearly that the fine particle of current existence removes equipment for the removal effect of the very little fine particle of diameter.This makes in the process fluid flow of core plant equipment pipeline, is mingled with a lot of subparticles.Domesticly at present there is no good particulate matter removing measure, and primary coolant circuit pipe condition of work is special, under high-temperature and high-pressure conditions, a lot of particulate matter removing measure can be restricted.
Due to the existence of the problems referred to above, the present inventor studies existing fine particle removing sulfuldioxide and improves, to design a kind of safe, efficient, design and control particle in simple nuclear reactor coolant remove device.
Summary of the invention
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: in this nuclear reactor coolant, the device that removes of particle comprises outer cylinder body, inner barrel, be arranged on the fluid inlet conduit on outer cylinder body and fluid exit conduit, and the center pit be arranged on bottom inner barrel, by fluid inlet conduit, fluid is introduced, make the tangential direction of the admission velocity direction of fluid and outer cylinder body wall basically identical, fluid will be for the helical movement along outer cylinder body inside surface, due to the viscosity of fluid itself, this generation being Secondary Flow provides condition, under the effect of Secondary Flow, fine particle in fluid can constantly converge in the middle part of outer cylinder body, simultaneously under turbulent flow and Action of Gravity Field, these fine graineds can be deposited in inner barrel, bottom inner barrel, discharge line is set, when fine particle deposits to certain volume, valve can be opened the fine particle of deposition is disposed by this pipeline, thus complete the present invention.
The object of the invention is to provide following aspect:
(1) in a kind of nuclear reactor coolant particle remove device, it is characterized in that, in this nuclear reactor coolant, the device that removes of particle comprises outer cylinder body 3 and inner barrel 4, center pit 5 is provided with bottom described inner barrel 4, wherein, described outer cylinder body 3 and inner barrel 4 have predetermined height difference;
Fluid inlet conduit 1 and fluid exit conduit 2 is respectively arranged with in the upper and lower of described outer cylinder body 3.
(2) in the nuclear reactor coolant according to above-mentioned (1), particle removes device, it is characterized in that, the height ratio scope of described outer cylinder body 3 and inner barrel 4 is in (5 ~ 15): between 1, and the diameter proportion scope of described outer cylinder body 3 and inner barrel 4 is in (1.5 ~ 4): between 1;
Described fluid inlet conduit 1 apart from the height of inner barrel 4 end face and the height ratio scope of inner barrel 4 in (8 ~ 20): between 1.
(3) in the nuclear reactor coolant according to above-mentioned (1) particle remove device, it is characterized in that, the shape of described inner barrel 4 can be the turbination or cylindrical of upper opening.
(4) in the nuclear reactor coolant according to above-mentioned (1) particle remove device, it is characterized in that, the velocity reversal of the fluid entered from described fluid inlet conduit 1 and the tangential direction of described outer cylinder body 3 wall basically identical.
(5) in the nuclear reactor coolant according to above-mentioned (4) particle remove device, it is characterized in that, the described fluid entered along outer cylinder body 3 wall tangential direction is for the helical movement along the inside surface of described outer cylinder body 3.
(6) in the nuclear reactor coolant according to above-mentioned (5), particle removes device, it is characterized in that, the described fluid entered from fluid inlet conduit 1 is time for the helical movement, and the fine particle in described fluid converges and is deposited in inner barrel 4 in the middle part of outer cylinder body 3.
(7) in the nuclear reactor coolant according to above-mentioned (1) particle remove device, it is characterized in that, the wall of described outer cylinder body 3 comprises outer 31, interlayer 32 and internal layer 33, and described interlayer 32 is radiation protective layer.
(8) in the nuclear reactor coolant according to above-mentioned (7) particle remove device, it is characterized in that, described radiation protective layer is lead layer.
(9) in the nuclear reactor coolant according to above-mentioned (1) particle remove device, it is characterized in that, below described center pit 5, be provided with discharge line.
(10) remove a method for particle in nuclear reactor coolant, it is characterized in that, the method adopts the device that removes of particle in the nuclear reactor coolant according to any one of above-mentioned (1) to (9) to realize.
Remove device according to particle in nuclear reactor coolant provided by the invention, there is following beneficial effect:
(1) structure of inside and outside cylindrical shell is simple, and easy to control, cost is low, is convenient to safeguard, is conducive to realizing industrialization;
(2) in nuclear reactor coolant provided by the invention, the device that removes of particle utilizes the Secondary Flow of fluid, turbulent flow and Action of Gravity Field, and the fine particle removal effect less for particle diameter is remarkable;
(3) sandwich design of outer cylinder body, makes device in use safe and reliable;
(4) in nuclear reactor coolant provided by the invention, the device that removes of particle may be used for removing of particle in the primary Ioops cooling medium of nuclear power generating equipment field, can also be applied to removing of particle in each loop fluid of common field of dynamic engineering.
Accompanying drawing explanation
Fig. 1 illustrates the perspective view removing device of particle in the nuclear reactor coolant according to a kind of preferred implementation of the present invention;
Fig. 2 illustrates the cut-open view removing device of particle in the nuclear reactor coolant according to a kind of preferred implementation of the present invention;
Fig. 3 illustrates the outer cylinder body wall hierarchy schematic diagram removing device of particle in the nuclear reactor coolant according to a kind of preferred implementation of the present invention.
Drawing reference numeral illustrates:
1-fluid inlet conduit
2-fluid exit conduit
3-outer cylinder body
31-is outer
32-interlayer
33-internal layer
4-inner barrel
5-center pit
Embodiment
Below by the present invention is described in detail, the features and advantages of the invention will illustrate along with these and become more clear, clear and definite.
Word " exemplary " special here means " as example, embodiment or illustrative ".Here need not be interpreted as being better than or being better than other embodiment as any embodiment illustrated by " exemplary ".Although the various aspects of embodiment shown in the drawings, unless otherwise indicated, accompanying drawing need not be drawn in proportion.
In describing the invention, it should be noted that, term " interior ", " outward ", " on ", the orientation of the instruction such as D score or position relationship be based on the orientation under duty of the present invention or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In the present invention, the arrow in Fig. 1 only indicates the direction of fluid inlet and outlet, does not have other implication.
According in a preferred embodiment of the present invention, as shown in Figure 2, in this nuclear reactor coolant, the device that removes of particle comprises outer cylinder body 3 and inner barrel 4, bottom described inner barrel 4, be provided with center pit 5, wherein, described outer cylinder body 3 and inner barrel 4 have predetermined height difference; Be respectively arranged with fluid inlet conduit 1 and fluid exit conduit 2 in the upper and lower of described outer cylinder body 3, the height of described outer cylinder body 3 is higher than the height of described inner barrel 4, and it is inner that inner barrel 4 is enclosed in outer cylinder body 3 by outer cylinder body 3.
In one preferred embodiment, the height ratio scope of described outer cylinder body 3 and inner barrel 4 is in (5 ~ 15): between 1, be preferably (10 ~ 15): 1, described fluid inlet conduit 1 apart from the height of inner barrel 4 end face and the height ratio scope of inner barrel 4 in (8 ~ 20): between 1, namely outer cylinder body 3 and inner barrel 4 have predetermined height difference, fluid inlet conduit 1 and fluid exit conduit 2 also have predetermined height difference, the fine particle in described fluid is made to be deposited in the bottom of inner barrel 4, in the present invention, described outer cylinder body 3 is highly 1.5m ~ 4m, be preferably 2m ~ 3m, the height of described inner barrel 4 is 0.05m ~ 0.3m, is preferably 0.1m ~ 0.3m, fluid inlet conduit 1 is 1.2m ~ 3.5m apart from the height of inner barrel 4 end face, is preferably 1.5m ~ 2.8m, the difference in height of such formation, the fluid in the vertical direction entered in outer cylinder body 3 is made to have the more sufficient time for the helical movement, produce stable Secondary Flow phenomenon, under the effect of self gravitation, make the most of fine particle in fluid can be deposited in described inner barrel 4 inner.
Another preferred embodiment in, the diameter proportion scope of described outer cylinder body 3 and inner barrel 4 is in (1.5 ~ 4): between 1, be preferably (2 ~ 4): 1, make described inner barrel 4 can hold fine particle in described fluid, in the present invention, described outer cylinder body 3 diameter is 0.5m ~ 2.5m, is preferably 1m ~ 2m; Described inner barrel 4 diameter is 0.2m ~ 1m, is preferably 0.5m ~ 0.8m; Such design, make there is space between described inner barrel 4 and described outer cylinder body 3, fluid can be discharged smoothly from the fluid exit conduit 2 described outer cylinder body 3, simultaneously, under certain condition, it is relatively large that the diameter of inner barrel 4 can be arranged, and can ensure that more fine particle all converges to inner barrel 4 under Secondary Flow effect so inner, improve the amount of removing of fine particle.
Described fluid inlet conduit 1 can have the direction at certain inclination angle to arrange along the tangential direction at place, arbitrfary point, outer cylinder body 3 outer wall top or with tangential direction, such setting makes the tangential direction of the admission velocity direction of fluid and described outer cylinder body 3 wall basically identical, simultaneously, the tangential velocity scope of fluid is in 0.5m/s-8m/s, the centrifugal force making fluid do curvilinear motion should ensure the generation of quadratic equation eddying field, excessive turbulent flow can not be produced again, that is, ensure that fluid moves according to desired trajectory and produces stable Secondary Flow phenomenon in cylindrical shell, described fluid inlet conduit 1 and fluid exit conduit 2 are separately positioned on the upper and lower of outer cylinder body 3, be convenient to the installation of external fluid conveying machinery like this, what described fluid inlet conduit 1 was corresponding to the difference in height of fluid exit conduit 2 causes pressure differential, described pressure differential reduces the load of fluid conveying machine, simultaneously, also precipitation and the collection of fine particle in fluid is conducive to, described fluid exit conduit 2 can be arranged on the optional position of described outer cylinder body 3 outer wall bottom, preferably, fluid exit conduit 2 is also arranged along the tangential direction of outer cylinder body 3 outer wall, more preferably, described fluid inlet conduit 1 and fluid exit conduit 2 are arranged along the tangential direction in two of outer cylinder body 3 outer wall relative faces respectively, the internal diameter of described fluid inlet conduit 1 is preferably 0.02m ~ 0.1m, the internal diameter of described fluid exit conduit 2 is preferably 0.03m ~ 0.15m, entering and discharge so advantageously in the fluid entered fluid for the helical movement.
In the present invention preferably, in fluid mechanics, fluid along the flowing on a certain border because being subject to the effect of transverse pressure, create the skew being parallel to border, fluid layer then near border due to speed less, just than offseting amplitude is large from the fluid layer away from border, thus produce the Secondary Flow be superimposed on main flow, this phenomenon is called Secondary Flow phenomenon.
It is inner that described inner barrel 4 is enclosed in described outer cylinder body 3 by outer cylinder body 3, preferably, described outer cylinder body 3 is the good structure of sealing, fluid in outer cylinder body can not be spread or leak outside, unsafe factor is brought to actual production, meanwhile, the vacuum environment caused so is also conducive to fluid and enters in cylindrical shell smoothly from fluid inlet conduit 1, and flows out through fluid exit conduit 2; When particle in described nuclear reactor coolant remove device normally work time, if when fluid exit conduit 2 is in open mode always, fluid in outer cylinder body 3 can flow out smoothly, does not have remnants, is conducive to the raising of particulate matter removing efficiency in nuclear reactor coolant; If fluid accumulation opens fluid exit conduit 2 again to during certain volume in outer cylinder body 3, in outer cylinder body 3, have fluid residuals, be unfavorable for that the particle that whole device continues in convection cell removes.
The height of described outer cylinder body 3 is higher than the height of described inner barrel 4, and the material of described inner barrel 4 is preferably stainless steel, and stainless steel has good compressive resistance, corrosion resistance; The shape of described inner barrel 4 can be the turbination or cylindrical of upper opening, especially, preferably cylindrical; Described outer cylinder body 3 can be the same or different with the shape of inner barrel 4, and preferably, described outer cylinder body 3 is basically identical with inner barrel 4 shape, is convenient to design, reduces difficulty of processing.
The wall of described outer cylinder body 3 comprises skin 31, interlayer 32 and internal layer 33, described interlayer 32 is radiation protective layer, the skin 31 of described outer cylinder body 3 and the material of internal layer 33 are selected from the strong metal of corrosion resistance, especially, be preferably stainless steel, described radiation protective layer is lead layer, namely the wall of described outer cylinder body 3 is hollow structure, adding man-hour, first welding good outer 31 and internal layer 33, in space between the two, pour into liquid metal lead again, inside described interlayer 32, the thickness of the lead of perfusion is 2-5mm, and density is 10.632g/cm
3after plumbous cooling, liquid lead is frozen into stereotype, because lead is radiation proof material, in the present invention, in described nuclear reactor coolant, the device that removes of particle to may be used in nuclear reactor removing of fine particle in primary Ioops cooling medium, can stop radioelement harm to external world preferably by the design of the lead layer of outer cylinder body 3.
In one preferred embodiment, the velocity reversal of the fluid entered from described fluid inlet conduit 1 and the tangential direction of described outer cylinder body 3 wall basically identical, the viscosity of fluid itself, and fluid is for the helical movement along the inside surface of outer cylinder body 3, easily for the generation of Secondary Flow provides condition, because fluid flows in predetermined velocity range, the convergence power that the impact generation that fine particle in fluid is subject to Secondary Flow is converged in the middle part of outer cylinder body 3 is greater than centrifugal force for the helical movement, simultaneously, there is turbulence to a certain degree in fluid, add the effect of self gravitation, the fine particle limit in fluid is made in the middle part of outer cylinder body 3, to converge limit to sedimentation in inner barrel 4, these physical influence combined actions make fine particle efficiently converge to inner barrel 4 inside.
In one preferred embodiment, the described fluid entered from fluid inlet conduit 1 is time for the helical movement, fine particle in described fluid converges and is deposited in inner barrel 4 in the middle part of outer cylinder body 3, as shown in Figure 2, described inner barrel 4 is arranged on the centre position of described outer cylinder body 3 inside, be convenient to collect the fine particle in fluid, described inner barrel 4 can be total to bottom surface with described outer cylinder body 3 and also can arrange bottom surface separately, preferably, inner barrel 4 and described outer cylinder body 3 bottom surface altogether, to reduce the waste of material, cost-saving.
In a preferred mode, discharge line is provided with below described center pit 5, what the diameter range of described center pit can connect particle in nuclear reactor coolant described in the present invention for discharge line described in 0.01m-0.04m removes device or other fluid treating device, wherein, described discharge line is provided with valve, described valve is provided with volume control device, under normal behaviour in service, valve closing on pipeline, when fine particle deposits to certain volume, valve can be opened the fine particle of deposition is disposed by this pipeline, the mode removed has multiple, such as, fine particle is processed by arranging fluid treating device at described discharge line place, circular treatment is carried out by convection cell on the fluid inlet conduit removing device removing particle in device or other nuclear reactor coolant that described discharge line is connected to particle in this nuclear reactor coolant.
In the present invention, the device that removes of particle in multiple described nuclear reactor coolant can be cascaded and realize the efficient removal of fine particle in fluid, namely fluid exit conduit is connected with the fluid inlet conduit removing device of particle in next nuclear reactor coolant.
The present invention also provides a kind of method removing particle in nuclear reactor coolant, it is characterized in that, the method is that in the nuclear reactor coolant described in employing, the device that removes of particle realizes, described method is the comprehensive effect of the Secondary Flow of fluid, turbulent flow and gravity, under the combined action of Secondary Flow, turbulent flow and gravity three kinds of physical influences, in described nuclear reactor coolant, the device that removes of particle is better than utilizing separately the equipment of the physical actions such as thermophoresis, gravity or turbulent flow to the mode that removes of particle in nuclear power generating equipment primary Ioops cooling medium.
Embodiment
The present invention is further described below by way of instantiation.
embodiment 1
(1) by viscosity be 1095.1 μ Pas, particle volume fraction is 1.8%, rate of flow of fluid be the heavy water of 2m/s be input to particle nuclear reactor coolant of the present invention according to certain flow velocity from the fluid inlet conduit that internal diameter is 0.02m remove device, the size of described device outer cylinder body and inner barrel is as follows:
The height of outer cylinder body is 2m, and diameter is 1m; The height of inner barrel is 0.1m, and diameter is 0.5m;
(2) after 5 minutes, be sample the fluid exit conduit of 0.025m from internal diameter, carry out fine particle concentration determination, acquired results is: through described particle remove device after, in fluid, particle volume fraction becomes 0.4%.
embodiment 2
(1) by viscosity be 890.08 μ Pas, particle volume fraction is 2.5%,, flow velocity is the water of 5m/s, what be input to particle two nuclear reactor coolants of the present invention in sequential series from the internal diameter fluid inlet conduit that is 0.04m removes device, and the size of described device outer cylinder body and inner barrel is as follows:
The height of outer cylinder body is 3m, and diameter is 1.2m; The height of inner barrel is 0.2m, and diameter is 0.4m;
(2) after 5 minutes, be sample the fluid exit conduit of 0.045m from internal diameter, carry out fine particle concentration determination, acquired results is: through described particle remove device after, in fluid, particle volume fraction becomes 0.52%.
Experimentally found that: in nuclear reactor coolant disclosed in this invention, the device that removes of particle has obvious removal effect to particle.
Remove device according to particle in nuclear reactor coolant provided by the invention, there is following beneficial effect:
(1) structure of inside and outside cylindrical shell is simple, and easy to control, cost is low, is convenient to safeguard, is conducive to realizing industrialization;
(2) in nuclear reactor coolant provided by the invention, the device that removes of particle utilizes the Secondary Flow of fluid, turbulent flow and Action of Gravity Field, and the fine particle removal effect less for particle diameter is remarkable;
(3) sandwich design of outer cylinder body, makes device in use safe and reliable;
(4) in nuclear reactor coolant provided by the invention, the device that removes of particle may be used for removing of particle in the primary Ioops cooling medium of nuclear power generating equipment field, can also be applied to removing of particle in each loop fluid of common field of dynamic engineering.
For the description of the concrete scope of plant bulk in instructions, it is the embodiment of most preferred embodiment in the present invention, can not be interpreted as limitation of the present invention, the device provided in the present invention can zoom in or out according to predetermined ratio, to adapt to the application of different occasion.
More than in conjunction with embodiment and exemplary example to invention has been detailed description, but these explanations can not be interpreted as limitation of the present invention.It will be appreciated by those skilled in the art that when not departing from spirit and scope of the invention, can carry out multiple equivalencing, modification or improvement to technical solution of the present invention and embodiment thereof, these all fall within the scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (10)
1. in a nuclear reactor coolant particle remove device, it is characterized in that: in this nuclear reactor coolant, the device that removes of particle comprises outer cylinder body (3) and inner barrel (4), described inner barrel (4) bottom is provided with center pit (5), wherein, described outer cylinder body (3) and inner barrel (4) have predetermined height difference;
Fluid inlet conduit (1) and fluid exit conduit (2) is respectively arranged with in the upper and lower of described outer cylinder body (3).
2. in nuclear reactor coolant according to claim 1 particle remove device, it is characterized in that, the height ratio scope of described outer cylinder body (3) and inner barrel (4) is in (5 ~ 15): between 1, and the diameter proportion scope of described outer cylinder body (3) and inner barrel (4) is in (1.5 ~ 4): between 1;
The height of described fluid inlet conduit (1) distance inner barrel (4) end face and the height ratio scope of inner barrel (4) are in (8 ~ 20): between 1.
3. in nuclear reactor coolant according to claim 1 particle remove device, it is characterized in that, the shape of described inner barrel (4) can be the turbination or cylindrical of upper opening.
4. in nuclear reactor coolant according to claim 1 particle remove device, it is characterized in that, the velocity reversal of the fluid entered from described fluid inlet conduit (1) and the tangential direction of described outer cylinder body (3) wall basically identical.
5. in nuclear reactor coolant according to claim 4 particle remove device, it is characterized in that, the described fluid entered along outer cylinder body (3) wall tangential direction is for the helical movement along the inside surface of described outer cylinder body (3).
6. in nuclear reactor coolant according to claim 5 particle remove device, it is characterized in that, the described fluid entered from fluid inlet conduit (1) is time for the helical movement, and the fine particle in described fluid converges to outer cylinder body (3) middle part and is deposited in inner barrel (4).
7. in nuclear reactor coolant according to claim 1 particle remove device, it is characterized in that, the wall of described outer cylinder body (3) comprises skin (31), interlayer (32) and internal layer (33), and described interlayer (32) is radiation protective layer.
8. in nuclear reactor coolant according to claim 7 particle remove device, it is characterized in that, described radiation protective layer is lead layer.
9. in nuclear reactor coolant according to claim 1 particle remove device, it is characterized in that, described center pit (5) below be provided with discharge line.
10. remove a method for particle in nuclear reactor coolant, it is characterized in that, the method adopts the device that removes of particle in the nuclear reactor coolant according to any one of the claims 1 to 9 to realize.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510153255.6A CN104766644B (en) | 2015-04-01 | 2015-04-01 | The removing means of particulate matter and particulate matter removing method in nuclear reactor coolant |
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| CN201510153255.6A CN104766644B (en) | 2015-04-01 | 2015-04-01 | The removing means of particulate matter and particulate matter removing method in nuclear reactor coolant |
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| CN108310888A (en) * | 2018-03-27 | 2018-07-24 | 华北电力大学 | A kind of passive particulate matter removing device of supercritical system |
| CN108414406A (en) * | 2018-04-27 | 2018-08-17 | 华北电力大学 | A kind of overcritical form experimental system |
| CN109250835A (en) * | 2018-11-21 | 2019-01-22 | 华北电力大学 | A kind of gravity type supercritical water fine grained thermophoresis removing means |
| CN109481817A (en) * | 2018-12-18 | 2019-03-19 | 杭州山友医疗器械有限公司 | A kind of carboloy dioxide canister |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108310888A (en) * | 2018-03-27 | 2018-07-24 | 华北电力大学 | A kind of passive particulate matter removing device of supercritical system |
| CN108310888B (en) * | 2018-03-27 | 2023-11-24 | 华北电力大学 | Passive particulate matter removing device of supercritical system |
| CN108414406A (en) * | 2018-04-27 | 2018-08-17 | 华北电力大学 | A kind of overcritical form experimental system |
| CN108414406B (en) * | 2018-04-27 | 2024-04-12 | 华北电力大学 | Supercritical window experiment system |
| CN109250835A (en) * | 2018-11-21 | 2019-01-22 | 华北电力大学 | A kind of gravity type supercritical water fine grained thermophoresis removing means |
| CN109250835B (en) * | 2018-11-21 | 2023-11-14 | 华北电力大学 | Gravity type supercritical water fine particle thermophoresis removing device |
| CN109481817A (en) * | 2018-12-18 | 2019-03-19 | 杭州山友医疗器械有限公司 | A kind of carboloy dioxide canister |
| 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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