# US 2017/0283907 A1 · Fuming furnace with lead collecting and discharging function > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0283907 A1 - Document ID: US20170283907A1 - Status: Published application - Kind: A1 - Application number: 15/512,211 - Filed: 2015-09-15 - Published: 2017-10-05 - Earliest claimed: 2014-09-24 - Assignees: China Enfi Engineering Corporation - Applicants: China Enfi Engineering Corporation - Inventors: Dawei CUI; Kefei CAO; Chuangu WU; Shuangjie FENG; Xin XU; Zhenmin ZHANG - Web page: https://patentgrep.com/patent/US20170283907A1 ## CPC - C22B 13/02: by dry processes - C22B 7/04: Working-up slag - C22B 19/30: from metallic residues or scraps - F27B 1/10: Details, accessories or equipment specially adapted for furnaces of these types - F27B 3/02: of single-chamber fixed-hearth type - F27B 3/10: Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces - Y02P 10/20: Recycling - C22B: PRODUCTION AND REFINING OF METALS (electrolytic C25); PRETREATMENT OF RAW MATERIALS - F27B: FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS - Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS ## Abstract Disclosed is a fuming furnace with a lead collecting and discharging function, the fuming furnace comprising a furnace body; the furnace body is provided with a hearth therein and a tuyere thereon; the bottom of the hearth forms a molten pool; the furnace body is further provided with a slag discharging outlet and a lead discharging outlet thereon; the furnace body comprises a furnace bottom water jacket and a hearth water jacket; the furnace bottom water jacket is provided with a refractory brick layer at the inner wall thereof; the refractory brick layer is provided with a lead collecting and discharging channel therein for collecting and discharging lead; the lead collecting and discharging channel is in communication with the lead discharging outlet, and the lead collecting and discharging channel is in communication with the molten pool via joints between the refractory bricks forming the refractory brick layer. ## Claims ### Claim 1 A fuming furnace with a lead collecting and discharging function comprising: a furnace body, wherein the furnace body is provided with a hearth therein and a tuyere thereon, the hearth has a bottom forming a molten pool, the furnace body is provided with a slag discharging outlet and a lead discharging outlet, the furnace body comprises a furnace bottom water jacket and a hearth water jacket, the furnace bottom water jacket has an inner wall provided with a refractory brick layer, the refractory brick layer is provided with a lead collecting and discharging channel configured to collect and discharge lead therein, the lead collecting and discharging channel is in communication with the lead discharging outlet, and the lead collecting and discharging channel is in communication with the molten pool through joints between refractory bricks forming the refractory brick layer. ### Claim 2 (depends on 1) The fuming furnace with the lead collecting and discharging function according to claim 1, wherein the lead discharging outlet is disposed at a lower portion of an end wall of the furnace body. ### Claim 3 (depends on 1) The fuming furnace with the lead collecting and discharging function according to claim 1, wherein the lead collecting and discharging channel comprises a main channel and a branch channel, wherein one end of the main channel is in communication with the lead discharging outlet and one end of the branch channel is in communication with the main channel, and the other end of the main channel and the one end of the branch channel are closed. ### Claim 4 (depends on 1) The fuming furnace with the lead collecting and discharging function according to claim 1, wherein the lead collecting and discharging channel comprises a linear main channel and an annular or linear branch channel in communication with the main channel. ### Claim 5 (depends on 3) The fuming furnace with the lead collecting and discharging function according to claim 3, wherein one or two main channels are provided and one or more branch channels are provided. ### Claim 6 (depends on 2) The fuming furnace with the lead collecting and discharging function according to claim 2, wherein the lead collecting and discharging channel comprises a main channel and a branch channel, wherein one end of the main channel is in communication with the lead discharging outlet and one end of the branch channel is in communication with the main channel, and the other end of the main channel and the one end of the branch channel are closed. ### Claim 7 (depends on 2) The fuming furnace with the lead collecting and discharging function according to claim 2, wherein the lead collecting and discharging channel comprises a linear main channel and an annular or linear branch channel in communication with the main channel. ### Claim 8 (depends on 3) The fuming furnace with the lead collecting and discharging function according to claim 3, wherein the lead collecting and discharging channel comprises a linear main channel and an annular or linear branch channel in communication with the main channel. ### Claim 9 (depends on 6) The fuming furnace with the lead collecting and discharging function according to claim 6, wherein the lead collecting and discharging channel comprises a linear main channel and an annular or linear branch channel in communication with the main channel. ### Claim 10 (depends on 6) The fuming furnace with the lead collecting and discharging function according to claim 6, wherein one or two main channels are provided and one or more branch channels are provided. ### Claim 11 (depends on 4) The fuming furnace with the lead collecting and discharging function according to claim 4, wherein one or two main channels are provided and one or more branch channels are provided. ### Claim 12 (depends on 7) The fuming furnace with the lead collecting and discharging function according to claim 7, wherein one or two main channels are provided and one or more branch channels are provided. ### Claim 13 (depends on 8) The fuming furnace with the lead collecting and discharging function according to claim 8, wherein one or two main channels are provided and one or more branch channels are provided. ### Claim 14 (depends on 9) The fuming furnace with the lead collecting and discharging function according to claim 9, wherein one or two main channels are provided and one or more branch channels are provided.