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WO2018135972A1 - Dispositif de production d'un concentré de 3he à partir d'hélium naturel - Google Patents

Dispositif de production d'un concentré de 3he à partir d'hélium naturel Download PDF

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Publication number
WO2018135972A1
WO2018135972A1 PCT/RU2017/050120 RU2017050120W WO2018135972A1 WO 2018135972 A1 WO2018135972 A1 WO 2018135972A1 RU 2017050120 W RU2017050120 W RU 2017050120W WO 2018135972 A1 WO2018135972 A1 WO 2018135972A1
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WO
WIPO (PCT)
Prior art keywords
concentrate
natural helium
helium
natural
producing
Prior art date
Application number
PCT/RU2017/050120
Other languages
English (en)
Russian (ru)
Inventor
Максим КУПРИЯНОВ
Виталий БОНДАРЕНКО
Original Assignee
Максим КУПРИЯНОВ
Виталий БОНДАРЕНКО
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Максим КУПРИЯНОВ, Виталий БОНДАРЕНКО filed Critical Максим КУПРИЯНОВ
Publication of WO2018135972A1 publication Critical patent/WO2018135972A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D59/00—Separation of different isotopes of the same chemical element
    • B01D59/10—Separation by diffusion
    • B01D59/12—Separation by diffusion by diffusion through barriers
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B23/00—Noble gases; Compounds thereof

Definitions

  • the claimed invention relates to the field of production of 3 He from natural helium, in particular to the production of 3 He concentrate from natural helium.
  • the prior art device for producing 3 Not from natural helium which contains a distillation column divided into an upper section of a smaller diameter and a lower section of a larger diameter, the lower section is provided with a channel for input of natural helium and a channel for removal of natural helium with a reduced concentration of 3 He, and the upper section is provided with a 3 He concentrate discharge channel.
  • the distillation column is also equipped with a condenser located in the upper part of the lower section.
  • the disadvantage of this solution is the high energy consumption, which is due to the use of natural helium as a raw material, the concentration of 3 He in which is 0.00001-0.0002%, which leads to the need for multiple rectification, resulting in increased specific energy costs.
  • the prior art device for producing 3 He concentrate which contains a cryostat, inside which there are two containers, the cavities of which are connected to each other by a filter, the first tank being connected to the natural helium input channel and the 3 He concentrate removal channel, and the second tank connected to the channel 4 He outlet and equipped with a heater.
  • the disadvantage of the prototype is the high energy consumption due to the fact that the filtration is carried out by heating the second tank. This leads to the fact that during the filtering process heat dissipation occurs in both tanks, as a result of which the load on the cooling means of the cryostat increases.
  • the technical problem to which the claimed invention is directed is to increase the energy efficiency of the device for producing 3 He concentrate.
  • the technical result achieved by the claimed invention is to reduce the energy consumption for temperature control in the process of obtaining 3 He concentrate.
  • Device for producing concentrate 3 Does not contain a cryostat, inside of which there are two containers, the cavities of which are connected to each other by a filter, the first container being connected to the natural helium input channel and the 3 He concentrate removal channel, and the second container connected to the 4 He removal channel.
  • the device is equipped with a means of pumping pressure exerted on the filter with natural helium.
  • the means for pressurizing the pressure exerted on the filter with natural helium can be presented, for example, in the form of a cryogenic pump, nozzle, and channel for removing the vapor of the cryoagent with a supercharger.
  • the cryogenic pump can be located in the channel of input of natural helium and can provide an increase in the speed of movement of the flow of liquid natural helium through the channel of input of natural helium.
  • the nozzle can be made at the output of the input channel of natural helium, providing an increase in the output flow rate of liquid natural helium.
  • the channel for venting the cryoagent vapors with a supercharger can connect the cryostat with the vessel of the natural helium supply source to transport the vapor of the cryoagent contained in the cryostat into it, providing pressurization of the cryoagent vapors in the vessel of the natural helium supply source, which will lead to pumping pressure in the vessel and increasing the output pressure, fed into the first tank of natural helium.
  • the supercharger is a series-connected vacuum pump and compressor.
  • a means of pressurization can be performed near the source of supply of natural helium, for example, an additional balloon with gaseous natural helium or a heater can be used as such means.
  • a cylinder with gaseous natural helium provides pressurization of gaseous natural helium over a mirror of liquid natural helium in a vessel of a natural helium supply source, which leads to an increase in pressure in the vessel and an increase in the outlet pressure supplied to the first natural helium tank.
  • well-known pressure vessels intended for transporting and storing gases can be used as a cylinder.
  • the heater provides heating and evaporation of part of the liquid natural helium in the source of supply of natural helium, which also allows you to increase the pressure in the vessel and increase the output pressure supplied to the first tank of natural helium.
  • the first and second tanks can have different shapes and sizes, but at the same time their tightness must be ensured, which is necessary to eliminate the risk of leakage of superfluid 4 Not in the filtering process.
  • the filter can be made in the form of a porous material, with pore sizes from 0.1 to 20 ⁇ m, which is due to the motion characteristic of the superfluid 4 He, and is equipped with a shell designed to prevent the interaction of the filtered material with the environment.
  • the filter may be made of compressed coal, sintered oxide powder AO3 or SiC.
  • the filter is located between the first and second containers, thereby forming a connection between their cavities and allowing the filtered material to flow from one container to another.
  • the cryostat plays the role of a device casing for producing 3 He concentrate, and is configured to maintain a temperature sufficient to transfer 4 He to a superfluid state.
  • cryostats with known cryoagents and cooling means, for example, helium can be used as a cryoagent, and a magnetic refrigerator, a cascade of cold vacuum superchargers, or means providing a vacuum pumping out of saturated liquid vapor can be used as a cryostat cooling means.
  • the source of natural helium can be made in the form of known devices designed for storage and transportation of cryogenic liquids and gases. It is possible to produce a source of natural helium in the form of a Dewar vessel, or in the form of a complex of devices consisting of cylinders with gaseous natural helium and a fluidizer. Moreover, during operation of the device for producing 3 He concentrate, the source of natural helium is connected to the input channel of natural helium, which is necessary for supplying natural helium to the device.
  • the claimed invention has a new distinctive essential feature, which consists in the fact that the device is equipped with a means of pumping the pressure exerted on the filter with natural helium. This eliminates the need for heating the second tank, while ensuring the occurrence of the movement of superfluid 4 He through the filter due to the mechanocaloric effect created by increasing the pressure of liquid natural helium on the filter, which allows to reduce heat generation in the second tank. Also, the elimination of the need to heat the second tank leads to a decrease in the heat generated during the removal of 4 He from the second tank through the 4 He channel, since the temperature of the 4 He will not exceed the temperature of the cryoagent in the cryostat.
  • the combined decrease in heat generation in the second tank and the exhaust channel 4 does not significantly reduce the load on the cryostat, which results in a technical result, which consists in reducing the energy consumption for temperature control in the process of obtaining 3 He concentrate, which improves the energy efficiency of the device for producing 3 He concentrate.
  • the invention can be additionally equipped with a heater in the second tank, which will increase the intensity of extraction of 4 He in the process of obtaining 3 He concentrate. Moreover, the energy consumption for temperature control can also be reduced due to less heating of the second tank, since the combined use of a heater and a means of pumping pressure eliminates the need for heating to the previously applied high temperatures.
  • FIG. 1 - Device for producing 3 He concentrate which is equipped with a cryogenic pump as a means of pressurization.
  • FIG. 2 - Device for producing 3 He concentrate which, as a means of pressurizing, is equipped with a channel for venting cryo-agent vapors with a supercharger.
  • FIG. 3 - Device for producing 3 He concentrate additionally equipped with a heater.
  • FIG. 1 and FIG. 2 shows a device for producing 3 He concentrate, which contains a cryostat 1, inside of which there are two containers, the cavities of which are connected to each other by a filter 2, the first tank 3 being connected to a natural helium input channel 4 and a 3 He concentrate discharge channel 5, and the second tank 6 is connected to the channel 7 of the outlet 4 He, and the device is equipped with means 8 for pressurization.
  • the first tank 3 serves natural helium through the channel 4 input natural helium, and the means 8 for pressurization provides an increase in pressure exerted on the filter 2 with natural helium.
  • the pressure exerted by natural helium on filter 2 leads to the overflow of superfluid 4 He through filter 2 from the first tank 3 to the second tank 6.
  • FIG. 3 shows a device that is additionally equipped with a heater 9.
  • Natural helium is supplied to the first tank 3 through a channel for introducing natural helium, the pressure pumping means 8 increasing the pressure exerted on the filter 2 with natural helium. While in the second tank 6, heating is performed using the heater 9.
  • the device produces a constant supply of natural helium through channel 4 for introducing natural helium, pumping 4 He from the second tank 6 through channel 7 of the 4 He outlet, and also selecting 3 He concentrate from the first tank 3 through channel 5 of the 3 He concentrate discharge.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

L'invention concerne le domaine de production de 3He à partir à partir d'hélium naturel et notamment la production d'un concentré de 3He à partir à partir d'hélium naturel. Le dispositif de production d'un concentré de 3He comprend un cryostat à l'intérieur duquel sont disposés deux récipients dont les récipients communiquent entre eux via un filtre, le premier récipient étant relié à un canal d'injection d'hélium naturel et un canal d'évacuation d'un concentré de 3He et le premier récipient étant relié à un canal d'évacuation de 4He. A la différence du prototype le dispositif est muni d'un moyen de création de pression exercée sur le filtre par l'hélium naturel. Le résultat technique consiste à réduire la consommation d'énergie nécessaire à la stabilisation thermique lors de la production d'un concentré de 3He.
PCT/RU2017/050120 2017-01-19 2017-11-21 Dispositif de production d'un concentré de 3he à partir d'hélium naturel WO2018135972A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
RU2017101772 2017-01-19
RU2017101772 2017-01-19
RU2017101771 2017-01-19
RU2017101771 2017-01-19

Publications (1)

Publication Number Publication Date
WO2018135972A1 true WO2018135972A1 (fr) 2018-07-26

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ID=62909157

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2017/050120 WO2018135972A1 (fr) 2017-01-19 2017-11-21 Dispositif de production d'un concentré de 3he à partir d'hélium naturel

Country Status (1)

Country Link
WO (1) WO2018135972A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8671715B2 (en) * 2012-02-23 2014-03-18 Air Products And Chemicals, Inc. He-3 recovery from natural helium by distillation

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8671715B2 (en) * 2012-02-23 2014-03-18 Air Products And Chemicals, Inc. He-3 recovery from natural helium by distillation

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ARKHAROV A.M. ET AL.: "Nizkotemperaturnyi metod povysheniia kontsentratsii legkogo izotopa 3Ne v smesi 3Ne-4Ne prirodnoi kontsentratsii", VESTNIK MOSKOVSKOGO GOSUDARSTVENNOGO TEKHNICHESKOGO UNIVERSITETA IM. N.E. BAUMANA. SERIIA ''MASHINOSTROENIE, 1993, pages 4 - 11 *
BONDARENKO V.L. ET AL.: "Otsenka zatrat na poluchenie izotopa 3He iz prirodnogo geliia kriogennymi metodami", VESTNIK MOSKOVSKOGO GOSUDARSTVENNOGO TEKHNICHESKOGO UNIVERSITETA IM. N.E. BAUMANA. SERIE ''MASHINOSTROENIE, 2012, pages 55 *

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