Method for negating deposits using turbulence

Title: Method for negating deposits using turbulence

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Abstract

A method for preventing fouling of an operating heat exchanger is disclosed. A carrier liquid is provided to the heat exchanger. The carrier liquid contains a potential fouling agent. The potential fouling agent is entrained in the carrier liquid, dissolved in the carrier liquid, or a combination thereof. The potential fouling agent fouls the heat exchanger by condensation, crystallization, solidification, desublimation, reaction, deposition, or combinations thereof. A gas-injection device is provided on the inlet of the heat exchanger. A non-reactive gas is injected into the carrier liquid through the gas-injection device. The non-reactive gas will not foul the heat exchanger surface and will not condense into the carrier liquid. The non-reactive gas creates a disturbance by increasing flow velocity and creating a shear discontinuity, thereby breaking up crystallization and nucleation sites on the surface of the heat exchanger. In this manner, fouling of the operating heat exchanger is prevented.

Inventors:: Baxter, Larry; Frankman, David; Davis, Nathan

Issue Date:: 2019-04-02

Research Org.:: Sustainable Energy Solutions, LLC, Orem, UT (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1568151

Patent Number(s):: 10247494

Application Number:: 15/430,168

Assignee:: Sustainable Energy Solutions, LLC (Orem, UT)

Patent Classifications (CPCs):: F - MECHANICAL ENGINEERING F28 - HEAT EXCHANGE IN GENERAL F28G - CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS

F - MECHANICAL ENGINEERING F28 - HEAT EXCHANGE IN GENERAL F28F - DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION

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F - MECHANICAL ENGINEERING F28 - HEAT EXCHANGE IN GENERAL F28G - CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
F28G9/005 - {of regenerative heat exchanger}

F - MECHANICAL ENGINEERING F28 - HEAT EXCHANGE IN GENERAL F28F - DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
F28F19/008 - {by using scrapers}

F - MECHANICAL ENGINEERING F28 - HEAT EXCHANGE IN GENERAL F28G - CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
F28G3/16 - using jets of fluid for removing debris

F - MECHANICAL ENGINEERING F28 - HEAT EXCHANGE IN GENERAL F28F - DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
F28F19/01 - by using means for separating solid materials from heat-exchange fluids, e.g. filters

F - MECHANICAL ENGINEERING F28 - HEAT EXCHANGE IN GENERAL F28G - CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
F28G13/00 - Appliances or processes not covered by groups F28G1/00 - F28G11/00
F28G9/00 - Cleaning by flushing or washing, e.g. with chemical solvents
F28G3/163 - {from internal surfaces of heat exchange conduits}

F - MECHANICAL ENGINEERING F28 - HEAT EXCHANGE IN GENERAL F28F - DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
F28F19/00 - Preventing the formation of deposits or corrosion, e.g. by using filters {or scrapers}

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DOE Contract Number:: FE0028697

Resource Type:: Patent

Resource Relation:: Patent File Date: 02/10/2017

Country of Publication:: United States

Language:: English

Citation Formats


                    Baxter, Larry, Frankman, David, and Davis, Nathan. Method for negating deposits using turbulence.  United States: N. p., 2019. 
        Web.

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                    Baxter, Larry, Frankman, David, & Davis, Nathan. Method for negating deposits using turbulence.  United States.

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                    Baxter, Larry, Frankman, David, and Davis, Nathan. Tue .  
        "Method for negating deposits using turbulence".  United States.  https://www.osti.gov/servlets/purl/1568151.

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@article{osti_1568151,

  title        = {Method for negating deposits using turbulence},

  author       = {Baxter, Larry and Frankman, David and Davis, Nathan},

  abstractNote = {A method for preventing fouling of an operating heat exchanger is disclosed. A carrier liquid is provided to the heat exchanger. The carrier liquid contains a potential fouling agent. The potential fouling agent is entrained in the carrier liquid, dissolved in the carrier liquid, or a combination thereof. The potential fouling agent fouls the heat exchanger by condensation, crystallization, solidification, desublimation, reaction, deposition, or combinations thereof. A gas-injection device is provided on the inlet of the heat exchanger. A non-reactive gas is injected into the carrier liquid through the gas-injection device. The non-reactive gas will not foul the heat exchanger surface and will not condense into the carrier liquid. The non-reactive gas creates a disturbance by increasing flow velocity and creating a shear discontinuity, thereby breaking up crystallization and nucleation sites on the surface of the heat exchanger. In this manner, fouling of the operating heat exchanger is prevented.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2019},

  month        = {4}

}

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