# US 2016/0250705 A1 · Flux Recovery Device and Soldering Device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2016/0250705 A1 - Document ID: US20160250705A1 - Status: Published application - Kind: A1 - Application number: 15/033,232 - Filed: 2014-06-13 - Published: 2016-09-01 - Earliest claimed: 2013-10-31 - Assignees: Senju Metal Industry Co., Ltd. - Applicants: Senju Metal Industry Co., Ltd. - Inventors: Tsutomu Hiyama; Yuta Saito - Web page: https://patentgrep.com/patent/US20160250705A1 ## CPC - B23K 3/08: Auxiliary devices therefor - B01D 47/06: Spray cleaning - B01D 47/16: Apparatus having rotary means, other than rotatable nozzles, for atomising the cleaning liquid - B01D 53/265: {by refrigeration (condensation)} - B23K 1/0016: {Soldering of electronic components} - B23K 1/008: Soldering within a furnace (B23K1/012 takes precedence) - B23K 1/203: {Fluxing, i.e. applying flux onto surfaces} - B23K 3/0638: {for viscous material feeding, e.g. solder paste feeding (B23K3/0623 takes precedence)} - B23K 3/0653: {with wave generating means, e.g. nozzles, jets, fountains} - B23K 35/362: Selection of compositions of fluxes (B23K35/365, B23K35/368 take precedence) - B23K 2101/42: Printed circuits - B23K: SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM - B01D: SEPARATION (separating solids from solids by wet methods B03B, B03D; by pneumatic jigs or tables B03B; by other dry methods B07; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields B03C; centrifuges, vortex apparatus B04; presses per se for squeezing-out liquid from liquid-containing material B30B9/02; treatment of water C02F, e.g. softening by ion-exchange C02F1/42; {arrangements of air intake cleaners in gas turbine plants F02C7/05} ; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation F24F13/28) ## Abstract A first water spray unit that sprays water into the gaseous mixture containing the flux component, a separation unit having an introduction port for introducing the gaseous mixture into which water is sprayed from the first water spray unit, and a second water spray unit that forms a precipitation flow inside of the separation unit. The separation unit uses a swirling flow to separate the flow component from the gaseous mixture. ## Claims ### Claim 1 A flux recovery device that recovers a flux component from a gaseous mixture containing the flux component, the flux recovery device comprising: a first water spray unit that sprays water into the gaseous mixture; a separation unit that includes an introduction port for introducing the gaseous mixture into which water is sprayed from the first water spray unit, the separation unit using a swirling flow to separate the flux component from the gaseous mixture; and a second water spray unit that forms a precipitation flow inside of the separation unit. ### Claim 2 (depends on 1) The flux recovery device according to claim 1, wherein the separation unit comprises: a cylindrical body for separation of the flux component, the cylindrical body including an introduction portion in an upper side portion thereof, an opening in an upper portion thereof, and a conical portion in a lower portion thereof; and a cover engaged with the opening of the cylindrical body, wherein the cover includes a disc-shaped body portion, an exhaust cylindrical portion having a predetermined length passes through the body portion, the conical portion includes a drain port, when the gaseous mixture is taken into the introduction portion from a tangent direction of the cylindrical body, the flux component and water confluent with the precipitation flow formed on an inner side of the cylindrical body by the second water spray unit by means of the swirling flow formed by the first water spray unit are discharged from the drain port, and the cylindrical portion takes gas separated from the gaseous mixture at one end and exhausts the gas from the other end. ### Claim 3 (depends on 1) The flux recovery device according to claim 1, wherein the first water spray unit has a nozzle configured to spray the water in a fan or conical fashion, and the second water spray unit includes an annular pipe having a plurality of blow-off ports, the annular pipe being configured to radially spray the water. ### Claim 4 (depends on 1) The flux recovery device according to claim 1, further comprising a water cleaner configured to clean water recovered by the separation unit. ### Claim 5 (depends on 4) The flux recovery device according to claim 4, wherein the water cleaner comprises an ozonation unit and an activated carbon filter. ### Claim 6 (depends on 1) A soldering device comprising: a soldering unit; and the flux recovery device according to claim 1, the flux recovery device being configured to recover the flux component from the gaseous mixture containing the flux component generated in the soldering unit. ### Claim 7 (depends on 2) The flux recovery device according to claim 2, wherein the first water spray unit has a nozzle configured to spray the water in a fan or conical fashion, and the second water spray unit includes an annular pipe having a plurality of blow-off ports, the annular pipe being configured to radially spray the water. ### Claim 8 (depends on 2) The flux recovery device according to claim 2, further comprising a water cleaner configured to clean water recovered by the separation unit. ### Claim 9 (depends on 3) The flux recovery device according to claim 3, further comprising a water cleaner configured to clean water recovered by the separation unit. ### Claim 10 (depends on 2) A soldering device comprising: a soldering unit; and the flux recovery device according to claim 2, the flux recovery device being configured to recover the flux component from the gaseous mixture containing the flux component generated in the soldering unit. ### Claim 11 (depends on 3) A soldering device comprising: a soldering unit; and the flux recovery device according to claim 3, the flux recovery device being configured to recover the flux component from the gaseous mixture containing the flux component generated in the soldering unit. ### Claim 12 (depends on 4) A soldering device comprising: a soldering unit; and the flux recovery device according to claim 4, the flux recovery device being configured to recover the flux component from the gaseous mixture containing the flux component generated in the soldering unit. ### Claim 13 (depends on 5) A soldering device comprising: a soldering unit; and the flux recovery device according to claim 5, the flux recovery device being configured to recover the flux component from the gaseous mixture containing the flux component generated in the soldering unit.