# US 2013/0153172 A1 · Method and apparatus for reducing the impact of motion in a core-in-shell heat exchanger > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0153172 A1 - Document ID: US20130153172A1 - Status: Published application - Kind: A1 - Application number: 13/718,275 - Filed: 2012-12-18 - Published: 2013-06-20 - Earliest claimed: 2011-12-20 - Assignees: ConocoPhillips Company - Inventors: Paul R. DAVIES; Will T. JAMES; Shaun P. GRAVOIS; Olanrewaju M. Oshinowo - Web page: https://patentgrep.com/patent/US20130153172A1 ## CPC - F28F 1/00: Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F5/00) - F25J 1/0022: {Hydrocarbons, e.g. natural gas} - F25J 1/0052: {by vaporising a liquid refrigerant stream} - F25J 1/0262: {Details of the cold heat exchange system (constructional details F25J5/00, construction of cold-exchangers in general F28)} - F25J 1/0272: {Multiple identical heat exchangers in parallel} - F25J 1/0278: {Unit being stationary, e.g. on floating barge or fixed platform} - F25J 1/0279: {Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc.} - F25J 5/005: {in a reboiler-condenser, e.g. within a column} - F28D 21/0017: {Flooded core heat exchangers (in large body of fluid F28D1/0206)} - F25J 2250/02: Bath type boiler-condenser using thermo-siphon effect, e.g. with natural or forced circulation or pool boiling, i.e. core-in-kettle heat exchanger - F25J 2250/20: Boiler-condenser with multiple exchanger cores in parallel or with multiple re-boiling or condensing streams - F25J 2290/72: Processing device is used off-shore, e.g. on a platform or floating on a ship or barge - F28D 2021/0066: {with combined condensation and evaporation} - Y02P 80/10: Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier - F28F: DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION (water and air traps, air venting F16) - F25J: LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS {OR LIQUEFIED GASEOUS} MIXTURES BY PRESSURE AND COLD TREATMENT {OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE (cryogenic pumps F04B37/08; gas storage vessels, gas holders F17; filing vessels with, or discharging from vessels, compressed, liquefied or solidified gases F17C; refrigeration machines, plants, or systems F25B)} - F28D: HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT (fluid heaters having heat generating means and heat transferring means F24H; furnaces F27; details of heat-exchange apparatus of general) - Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS ## Abstract Methods and apparatuses for reducing the effects of motion in a core-in-shell type heat exchanger are provided. One apparatus includes: (a) a heat exchanger, wherein the heat exchanger includes an internal volume defined within a shell and a plurality of spaced apart cores disposed within the internal volume of the shell, wherein the internal volume is flooded with a vaporizing fluid; and (b) a separation vessel connected to the heat exchanger, wherein the separation vessel is located at higher elevation than the heat exchanger, wherein the separation vessel is connected to the heat exchanger in such a manner so as to deliver a hot feed stream to heat exchanger and the receive a non-vaporizing stream from the heat exchanger. ## Claims ### Claim 1 A method for reducing the impact of motion in a heat exchanger comprising: a. flooding the heat exchanger with a vaporizing fluid, wherein the heat exchanger includes an internal volume defined within a shell and a plurality of spaced apart cores disposed within the internal volume of the shell; b. introducing a hot process feed stream to an upper vessel, wherein the upper vessel is located above the heat exchanger, wherein the upper vessel is connected to the heat exchanger via a plurality of conductor pipes, wherein the conductor pipes include external pipes for connecting the upper vessel and the plurality of spaced apart cores, wherein the conductor pipes further include an internal diameter vapor riser, wherein the internal vapor riser is fixed to the top of the plurality of cores and floats inside the conductor pipe to allow for thermal expansion and contraction of the plurality of cores; c. delivering the hot feed stream to a core within the internal volume of the shell via the conductor pipes, wherein the hot process feed stream undergoes indirect heat exchange with the vaporizing fluid thereby producing a warm liquid stream and a non-vaporized stream, wherein the non-vaporized stream includes a mixture of vapor and liquid; and d. delivering the non-vaporized stream to the upper vessel via the conductor pipes to undergo disengagement. ### Claim 2 (depends on 1) The method according to claim 1, wherein the vaporizing fluid is a refrigerant. ### Claim 3 (depends on 1) The method according to claim 1, wherein the upper vessel includes slosh suppressing baffles. ### Claim 4 A method for reducing the impact of motion in a heat exchanger comprising: a. flooding the heat exchanger with a vaporizing fluid, wherein the heat exchanger includes an internal volume defined within a shell and a plurality of spaced apart cores disposed within the internal volume of the shell; b. introducing a hot process feed stream to a separation vessel, wherein the separation vessel is located above the heat exchanger, wherein the separation vessel is connected to the heat exchanger via a plurality of external pipes; c. delivering the hot process feed stream to a core within the internal volume of the shell via the external pipes, wherein the hot process feed stream undergoes indirect heat exchange with the vaporizing fluid thereby producing a warm liquid stream and a non-vaporized stream, wherein the non-vaporized stream is a mixture of vapor and liquid; and d. delivering the non-vaporized stream to the separation vessel to undergo separation. ### Claim 5 (depends on 4) The method according to claim 4, wherein the vaporizing fluid is a refrigerant. ### Claim 6 (depends on 4) The method according to claim 4, wherein the separation vessel includes slosh suppressing baffles. ### Claim 7 A method for reducing the impact of motion in a heat exchanger comprising: a. flooding the heat exchanger with a vaporizing liquid, wherein the heat exchanger includes an internal volume defined within a shell and a plurality of spaced apart cores disposed within the internal volume of the shell; b. introducing a hot process feed stream to a separation vessel, wherein the separation vessel is located at an elevation higher than the heat exchanger, wherein the separation vessel includes a liquid outlet and a vapor inlet; c. delivering the hot feed stream to a core within the internal volume of the shell at or near the top of the core via the liquid outlet, wherein the hot feed stream undergoes indirect heat exchange with the vaporizing fluid thereby producing a warm liquid stream and a non-vaporized stream, wherein the non-vaporized stream is a mixture of vapor and liquid; and d. delivering the non-vaporized stream to the separation vessel to undergo separation. ### Claim 8 (depends on 12) The method according to claim 12, wherein the vaporizing fluid is a refrigerant. ### Claim 9 (depends on 12) The method according to claim 12, wherein the separation vessel includes slosh suppressing baffles. ### Claim 10 An apparatus comprising: a. a heat exchanger, wherein the heat exchanger includes an internal volume defined within a shell and a plurality of spaced apart cores disposed within the internal volume of the shell, wherein the internal volume is flooded with a vaporizing fluid; and b. a separation vessel connected to the heat exchanger, wherein the separation vessel is located at higher elevation than the heat exchanger, wherein the separation vessel is connected to the heat exchanger in such a manner so as to deliver a hot feed stream to heat exchanger and the receive a non-vaporizing stream from the heat exchanger.