CN104236671B - Nucleon liquid level protection device, nucleon liquid level gauge and the container for pressure leaching - Google Patents

Nucleon liquid level protection device, nucleon liquid level gauge and the container for pressure leaching Download PDF

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Publication number
CN104236671B
CN104236671B CN201410455892.4A CN201410455892A CN104236671B CN 104236671 B CN104236671 B CN 104236671B CN 201410455892 A CN201410455892 A CN 201410455892A CN 104236671 B CN104236671 B CN 104236671B
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China
Prior art keywords
nucleon
liquid level
pipe
flange
protection pipe
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CN201410455892.4A
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CN104236671A (en
Inventor
张晓涛
周凤娟
佟立军
李少龙
赵爱君
傅建国
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China ENFI Engineering Corp
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China ENFI Engineering Corp
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284Electromagnetic waves
    • G01F23/288X-rays; Gamma rays or other forms of ionising radiation

Abstract

The invention discloses a kind of nucleon liquid level protection device, nucleon liquid level gauge and container for pressure leaching.The nucleon liquid level protection device includes:Interior protection pipe, the lower end of interior protection pipe are closed by the first closed plate;Middle protection pipe; middle protection pipe is enclosed on the outside of interior protection pipe; the annular space filled with lead is formed between middle protection pipe and interior protection pipe; the tube wall of middle protection pipe is provided with the first opening; closed by the first closed plate the lower end of annular space; the lower end of middle protection pipe is closed by the second closed plate, and the tube wall of the first closed plate, the second closed plate and middle protection pipe forms closing space, and lead is filled with closing space;And outside protective pipe, outside protective pipe are enclosed on outside interior protection pipe and middle protection pipe, the tube wall of outside protective pipe is provided with the corresponding with the first opening second opening.Nucleon liquid level protection device according to embodiments of the present invention has the advantages that rational in infrastructure, stable and reliable for performance.

Description

Nucleon liquid level protection device, nucleon liquid level gauge and the container for pressure leaching
Technical field
The present invention relates to a kind of nucleon liquid level protection device, nucleon liquid level gauge and container for pressure leaching.
Background technology
In pressure leaching process, the liquid in the generally use nucleon liquid level gauge control pressure vessel such as autoclave and flash tank Position.In correlation technique, nucleon liquid level gauge does not have a radioactive nucleus electrical source protecting equipment in itself, but the small pieces of cloth used for patches on vessel shell outer wall Stereotype, stereotype dosage is big, equipment volume is big, construction is complicated, cost is high so as to causing, and the radioactive nucleus source of nucleon liquid level gauge Radiation direction is uncontrollable, and effect is poor.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.Therefore, the present invention carries Go out a kind of nucleon liquid level protection device.
The present invention also proposes a kind of nucleon liquid level gauge with above-mentioned nucleon liquid level protection device.
The present invention also proposes a kind of container for pressure leaching with above-mentioned nucleon liquid level gauge.
The nucleon liquid level protection device of embodiment includes according to a first aspect of the present invention:Interior protection pipe, the interior protection pipe Interior to be used to place core source, the lower end of the interior protection pipe is closed by the first closed plate;Middle protection pipe, the middle protection pipe sleeve Annular space is formed between the outside of the interior protection pipe, the middle protection pipe and the interior protection pipe, the annular is empty Interior to be filled with lead, the tube wall of the middle protection pipe is provided with the first of the part for being used to expose the interior protection pipe and opened Mouthful, the lower end of the annular space is closed by first closed plate, and the lower end of the middle protection pipe is sealed by the second closed plate Close, the tube wall of first closed plate, second closed plate and the middle protection pipe forms closing space, and the closing is empty It is interior to be filled with lead;And outside protective pipe, the outside protective pipe are enclosed on outside the interior protection pipe and middle protection pipe, the outer guarantor The tube wall of pillar is provided with the corresponding with the described first opening second opening.
Nucleon liquid level protection device according to embodiments of the present invention have the advantages that it is rational in infrastructure, stable and reliable for performance, can To efficiently control the radiation direction in core source.
In addition, nucleon liquid level protection device according to the above embodiment of the present invention can also have technology additional as follows special Sign:
According to one embodiment of present invention, the upper end of the annular space is closed by the 3rd closed plate.
According to one embodiment of present invention, the upper end of the middle protection pipe is located in the outside protective pipe, described interior The upper end of protection pipe is stretched out from the upper end of the outside protective pipe.
According to one embodiment of present invention, the upper end of the interior protection pipe is provided with first flange, positioned at first method Blue top and be spaced apart with the first flange the first cover plate, positioned at first flange lower section and between the first flange The second flange that separates and it is spaced apart below the second flange, with the second flange and is used to close the outer guarantor Second cover plate of the upper end of pillar.
According to one embodiment of present invention, the upper end of the outside protective pipe is provided with the 3rd flange, positioned at the 3rd method Blue top and opened with the 3rd flange separation the 3rd cover plate, below the 3rd flange and between the 3rd flange The 4th flange that separates and below the 4th flange and the 4th cover plate opened with the 4th flange separation.
According to one embodiment of present invention, the tube wall of the outside protective pipe be provided with positioned at the 3rd flange with it is described Leak hunting aperture between 4th flange.
According to one embodiment of present invention, the lower end of the outside protective pipe is closed by end socket.
According to one embodiment of present invention, the lower end of the neighbouring middle protection pipe of the first opening, described second The lower end of the neighbouring outside protective pipe of opening.
A kind of nucleon liquid level gauge is proposed according to the second aspect of the invention, and the nucleon liquid level gauge includes:Nucleon liquid level is protected Protection unit, the nucleon liquid level protection device are the nucleon liquid level protection device according to first aspect present invention;With core source, It is interior and corresponding with the described first opening and the second opening that the core source is located at the interior protection pipe.
A kind of container for pressure leaching, the container for pressure leaching are proposed according to the third aspect of the invention we Including:Vessel, the vessel are provided with opening;With nucleon liquid level gauge, the nucleon liquid level gauge is according to the present invention Nucleon liquid level gauge described in second aspect, the nucleon liquid level gauge is inserted into the vessel and the interior protection pipe and institute The upper end for stating outside protective pipe is stretched out out of described vessel.
Brief description of the drawings
Fig. 1 is the structural representation of the container for pressure leaching according to embodiments of the present invention;
Fig. 2 is the partial structural diagram of nucleon liquid level gauge according to embodiments of the present invention;
Fig. 3 is the partial structural diagram of nucleon liquid level gauge according to embodiments of the present invention;
Fig. 4 is the structural representation of the outside protective pipe of nucleon liquid level protection device according to embodiments of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Below with reference to The embodiment of accompanying drawing description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings the description container 1 for pressure leaching according to embodiments of the present invention.As Figure 1-Figure 4, The container 1 for pressure leaching according to embodiments of the present invention includes vessel 30 and nucleon liquid level gauge, on vessel 30 Provided with opening 301.
The nucleon liquid level gauge includes nucleon liquid level protection device 10 and core source 20.Nucleon liquid level protection device 10 includes interior guarantor Pillar 101, middle protection pipe 102 and outside protective pipe 103.
It is used to place core source 20 in interior protection pipe 101, the lower end of interior protection pipe 101 is closed by the first closed plate 104.It is middle Protection pipe 102 is enclosed on the outside of interior protection pipe 101, and annular space is formed between middle protection pipe 102 and interior protection pipe 101 1011, annular space 1011 is interior to be filled with lead.The tube wall of middle protection pipe 102, which is provided with, to be used to expose the one of interior protection pipe 101 The first partial opening 1021, the lower end of annular space 1011 is closed by the first closed plate 104, the lower end of middle protection pipe 102 Closed by the second closed plate 105.The tube wall of first closed plate 104, the second closed plate 105 and middle protection pipe 102 forms closing Space 1022, closing space 1022 is interior to be filled with lead.Outside protective pipe 103 is enclosed on outside interior protection pipe 101 and middle protection pipe 102 Face, the tube wall of outside protective pipe 103 are provided with and 1021 corresponding second opening 1031 of the first opening.
Core source 20 is located in interior protection pipe 101, and core source 20 is corresponding with the first opening 1021 and the second opening 1031.The core Sub- liquid level gauge is inserted into vessel 30, and the upper end of interior protection pipe 101 and outside protective pipe 103 is stretched out of vessel 30 Go out.
The lead being filled in annular space 1011 and closing space 1022 is used to isolate the radioactive ray that core source 20 is sent. By setting the first opening 1021 on the tube wall of middle protection pipe 102 and being set and first on the tube wall of outside protective pipe 103 Second opening 1031 corresponding to opening 1021, so as to so that core source 20 passes through the first opening 1021 and the hair of the second opening 1031 Penetrate, you can so that core source 20 is launched to assigned direction, ensure that core source 20 is pacified in production overall process (installation, use, maintenance etc.) Completely without leakage.
The installation that interior protection pipe 101 is used for core source 20 itself is in place, and outside protective pipe 103 can ensure under external pressure not Unstability, acid resistance corrosion and cycle rock.Lead can be deformed when temperature is more than 120 degrees Celsius, and structural behaviour declines a lot. The pure lead protection set of nucleon liquid level protection device 10 according to embodiments of the present invention (is filled in annular space 1011 and closing space Lead in 1022) it can be used safely under high temperature (being more than or equal to 220 degrees Celsius) state.
Therefore, nucleon liquid level protection device 10 according to embodiments of the present invention has rational in infrastructure, stable and reliable for performance etc. Advantage, the radiation direction in core source 20 can be efficiently controlled.
Nucleon liquid level gauge according to embodiments of the present invention have the advantages that it is rational in infrastructure, stable and reliable for performance, safe, The radiation direction in core source 20 can be efficiently controlled.
The container 1 for pressure leaching according to embodiments of the present invention by setting nucleon liquid level protection device 10 so that With the simple in construction, advantage such as lead dosage is small, be easy to manufacture, manufacturing cost is low.
Specifically, the container 1 for pressure leaching can be autoclave, flash tank etc..
As Figure 1-Figure 4, interior protection pipe is included according to the nucleon liquid level protection device 10 of some embodiments of the present invention 101st, middle protection pipe 102 and outside protective pipe 103.Interior protection pipe 101 can be made up of dual phase steel, and middle protection pipe 102 can be with It is made by lead, outside protective pipe 103 can be made up of titanium alloy.
Closed by the first closed plate 104 lower end of interior protection pipe 101.The upper end of interior protection pipe 101 is provided with first flange 1012nd, the first cover plate 1013 for being spaced apart above first flange 1012 and with first flange 1012, positioned at first flange 1012 lower sections and the second flange 1014 that is spaced apart with first flange 1012 and positioned at the lower section of second flange 1014 and the second method Orchid 1014 is spaced apart and the second cover plate 1015 of the upper end for closing outside protective pipe 103.Wherein, above-below direction such as Fig. 1-Fig. 4 In arrow A shown in.
Middle protection pipe 102 is enclosed on the outside of interior protection pipe 101, and the lower end of middle protection pipe 102 is by the second closed plate 105 Closing.The annular space 1011 filled with lead is formed between middle protection pipe 102 and interior protection pipe 101, annular space 1011 Lower end is closed by the first closed plate 104, i.e. the lower end of the first closed plate 104 closing interior protection pipe 101 and annular space 1011 Lower end.The upper end of annular space 1011 is closed by the 3rd closed plate 106, i.e., the 3rd closed plate 106 closes middle protection pipe 102 Upper end.The tube wall of first closed plate 104, the second closed plate 105 and middle protection pipe 102 forms the closing space filled with lead 1022。
The tube wall of middle protection pipe 102 is provided with the first opening 1021 of the part for being used to expose interior protection pipe 101.Outside Protection pipe 103 is enclosed on interior protection pipe 101 and the outside of middle protection pipe 102, and the tube wall of outside protective pipe 103 is provided with and the first opening Second opening 1031 corresponding to 1021.
As shown in Figure 1-Figure 3, in one embodiment of the invention, the first opening 1021 is adjacent to middle protection pipe 102 Lower end, the second opening 1031 is adjacent to the lower end of outside protective pipe 103.It is possible thereby to make the structure of nucleon liquid level protection device 10 more Rationally.
Advantageously, as shown in figure 1, the upper end of middle protection pipe 102 is located in outside protective pipe 103, interior protection pipe 101 it is upper Hold from the upper end of outside protective pipe 103 and stretch out.It is possible thereby to core source 20 more easily, is easily arranged on interior protection pipe 101 It is interior and core source 20 is taken out out of interior protection pipe 101.
In the example of the present invention, as shown in Figure 1 and Figure 4, the lower end of outside protective pipe 103 is closed by end socket 1037. The upper end of outside protective pipe 103 is provided with the 3rd flange 1032, is spaced apart above the 3rd flange 1032 and with the 3rd flange 1032 The 3rd cover plate 1033, positioned at the lower section of the 3rd flange 1032 and the 4th flange 1034 being spaced apart with the 3rd flange 1032 and position In the lower section of the 4th flange 1034 and the 4th cover plate 1035 being spaced apart with the 4th flange 1034.
Specifically, the second flange 1014 in interior protection pipe 101 can be with the 3rd flange 1032 on outside protective pipe 103 It is connected, so as to which more easily, firmly interior protection pipe 101 is arranged on outside protective pipe 103.In interior protection pipe 101 The second cover plate 1015 be covered on the 3rd cover plate 1033 on outside protective pipe 103, to close the upper end of outside protective pipe 103.
Vessel 30 is provided with boss 302, the insertion boss 302 of opening 301, and boss 302 is provided with the 5th flange 303. Wherein, the 4th flange 1034 on outside protective pipe 103 can be connected with the 5th flange 303, so as to which outside protective pipe 103 is arranged on On boss 302, so as to which more easily, firmly nucleon liquid level protection device 10 is arranged on vessel 30.Outside The 4th cover plate 1035 in protection pipe 103 is covered in opening 301, to cover opening 301.
As shown in figure 4, in the specific example of the present invention, the tube wall of outside protective pipe 103, which is provided with, is located at the 3rd method Leak hunting aperture 1036 between the flange 1034 of orchid 1032 and the 4th.It is possible thereby to safety detection easily is carried out to core source 20, so as to The security of the nucleon liquid level gauge can further be improved.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc. Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be that machinery connects Connect or electrically connect or can communicate each other;Can be joined directly together, can also be indirectly connected by intermediary, can be with It is connection or the interaction relationship of two elements of two element internals, is limited unless otherwise clear and definite.For this area For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changed, replacing and modification.

Claims (10)

  1. A kind of 1. nucleon liquid level protection device, it is characterised in that including:
    Interior protection pipe, the interior protection pipe is interior to be used to place core source, and the lower end of the interior protection pipe is closed by the first closed plate;
    Middle protection pipe, the middle protection pipe are enclosed on the outside of the interior protection pipe, the middle protection pipe and the interior guarantor Annular space is formed between pillar, lead is filled with the annular space, the tube wall of the middle protection pipe, which is provided with, to be used to reveal Go out the first opening of a part for the interior protection pipe, the lower end of the annular space is closed by first closed plate, described The lower end of middle protection pipe is closed by the second closed plate, first closed plate, second closed plate and the middle protection The tube wall of pipe forms closing space, and lead is filled with the closing space;With
    Outside protective pipe, the outside protective pipe are enclosed on outside the interior protection pipe and middle protection pipe, the tube wall of the outside protective pipe It is provided with the corresponding with the described first opening second opening.
  2. 2. nucleon liquid level protection device according to claim 1, it is characterised in that the upper end of the annular space is by the 3rd Closed plate is closed.
  3. 3. nucleon liquid level protection device according to claim 1, it is characterised in that the upper end of the middle protection pipe is located at In the outside protective pipe, the upper end of the interior protection pipe is stretched out from the upper end of the outside protective pipe.
  4. 4. nucleon liquid level protection device according to claim 3, it is characterised in that the upper end of the interior protection pipe is provided with the One flange, the first cover plate being spaced apart above the first flange and with the first flange, positioned at the first flange Lower section and the second flange that is spaced apart with the first flange and below the second flange between the second flange Separate and be used for the second cover plate for closing the upper end of the outside protective pipe.
  5. 5. nucleon liquid level protection device according to claim 4, it is characterised in that the upper end of the outside protective pipe is provided with the Three flanges, above the 3rd flange and opened with the 3rd flange separation the 3rd cover plate, positioned at the 3rd flange Lower section and the 4th flange opened with the 3rd flange separation and below the 4th flange and with the 4th flange 4th cover plate spaced apart.
  6. 6. nucleon liquid level protection device according to claim 5, it is characterised in that the tube wall of the outside protective pipe is provided with Leak hunting aperture between the 3rd flange and the 4th flange.
  7. 7. nucleon liquid level protection device according to claim 1, it is characterised in that the lower end of the outside protective pipe is by end socket Closing.
  8. 8. the nucleon liquid level protection device according to any one of claim 1-7, it is characterised in that first opening is adjacent The lower end of the nearly middle protection pipe, the lower end of the neighbouring outside protective pipe of the second opening.
  9. A kind of 9. nucleon liquid level gauge, it is characterised in that including:
    Nucleon liquid level protection device, the nucleon liquid level protection device are the nucleon according to any one of claim 1-8 Liquid level protection device;With
    Core source, it is interior and corresponding with the described first opening and the second opening that the core source is located at the interior protection pipe.
  10. A kind of 10. container for pressure leaching, it is characterised in that including:
    Vessel, the vessel are provided with opening;With
    Nucleon liquid level gauge, the nucleon liquid level gauge are the nucleon liquid level gauge according to claim 9, and the nucleon liquid level gauge is inserted Enter into the vessel and the upper end of the interior protection pipe and the outside protective pipe is stretched out out of described vessel.
CN201410455892.4A 2014-09-09 2014-09-09 Nucleon liquid level protection device, nucleon liquid level gauge and the container for pressure leaching Active CN104236671B (en)

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CN104236671B true CN104236671B (en) 2018-03-20

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* Cited by examiner, † Cited by third party
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CN113944860B (en) * 2021-10-22 2023-03-10 中国原子能科学研究院 Support structure for reactor level gauge
EP4296632A1 (en) * 2022-06-21 2023-12-27 Yara International ASA Arrangement for nuclear level measurement device

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US3712137A (en) * 1971-04-23 1973-01-23 Us Navy Water level indicator
JPS59120818A (en) * 1982-12-27 1984-07-12 Kobe Steel Ltd Detection of liquid level
CN2125129U (en) * 1991-12-18 1992-12-16 四川石油管理局油气田建设工程公司 Liquid level sensor
CN2315545Y (en) * 1997-10-22 1999-04-21 中国核动力研究设计院 Multi-point thermal effect level meter
CN2789735Y (en) * 2005-02-18 2006-06-21 杜虎荣 Sleeved float
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