The Lead-Tin Recovery Project aims to extract tin metal from lead-tin alloys (Pb-Sn) and lead-tin-antimony alloys (Pb-Sn-Sb), which are byproducts of crude lead refining and lead-acid battery recovery. The lead-tin-antimony alloy serves as the core metallurgy component of this project.

Basic Design Parameters

Raw material chemical composition*	Sn	Sb		Pb	As	Cu	Ag	PbO
	55~30%	1~3%		70~90%	0.0069%	0%	800~1200PPM	Unknown
Product	Refined Sn ingot		1,500 t/a (Sn≥99.9%)
	Crude Pb ingot		3,500t/a
Working days per year (day)	3000
Annually treatingn capacity (tpa)	5,000 tons
Power	Electricity		AC 380V 50Hz

*Note： This raw material is for reference. The client must give us the raw material chemical composition before making the project design.

Process

Technical and Economic Index

№	Item	UOM	QTY	Remark
1	Refined tin	T/month	125
2	Crude Lead Alloy	T/month	300
3	Al dust consumption	kg/month	300	Depend on raw material chemical composition
4	Ammonium chloride consumption	kg/month	350
5	Sulfur (S) consumption	kg/month	580
6	Sawdust fluxing agent	kg/month	420
7	Sn metal recovery rate	%	98.5
8	Pb metal recovery rate	%	99
9	Water consumption for production	m³/d	30-40	30-40 m³/d water is a calculated value. The water is used as cooling water. The water should not be drained to sewer and could be reused after cooling. There should be a water pool in the plant for recycling and cooling the water.
10	VDF rated power	kW	500
11	Crystallizer rated power	kW	140
12	Tilt agitator rated power	kW	19
13	Sn pump rated power	kW	3
14	Working days per year (day)	Day/year	300

Equipment List

No.	Item	Specification	QTY	Remark
1	Lead-tin vacuum distillation furnace	15T/Day	1set
2	Continuous crystallizer	15T/Day	1 set
3	Sn ingot cast machine	30 molds 10 ton per day	1 set
4	Impurity removing pot (With water cooling jacket)	10Ton Q235 steel	1 pcs	Platforms are prepared by client as per our drawings.
5	Holding pot	10Ton Q235 steel	1 pcs
6	Casting pot	10Ton Q235 steel	1 set
7	Agitator	5.5 kW	2 set
8	Sn pump	3 kW	6 set	3 operation, 3 standby

FAQ

Q1: What payment terms do you accept?

A: We accept Letters of Credit (LC), Telegraphic Transfers (TT), and cash payments.

Q2: Do you provide installation services?

A: Yes, we offer installation services and can provide installation instructions online or through other methods to accommodate client needs.

Q3: Can you offer design services to clients?

A: Yes, we provide customized design services and products tailored to client specifications.

Q4: What are the raw materials and final products of the project?

A: The raw material is tin-lead alloy, and the final product is crude tin (Sn ≥ 99%).

Q5: Can the crude tin be further refined?

A: Yes, the crude tin can be refined through pyrometallurgy or hdyrometallurgy processes.

Q6: Can tin vacuum distillation furnace system operate fully automatically?

A: Yes, we can supply robots to automate certain processes, reducing labor intensity. However, these processes must be conducted under human supervision.

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