XJB flotation machine

What is XJB flotation machine?

XJB flotation machine, also known as XJB bar type flotation machine, is a self-priming mechanical stirring flotation equipment, which can effectively mix slurry, gas and chemicals, thus improving the flotation speed and efficiency.

XJB bar type flotation machine is equipped with a tab between the bottom of the tank and the bars, which plays a guiding role and can accelerate the speed of the slurry gas mixture rushing to the bottom of the tank; there is a curved stabilizer plate between the bottom of the tank and the bars, which can be moved around the tank so that it is uniformly distributed inside the tank and has a W-shaped trajectory movement.

If you are a beginner and do not know about flotation machine, tell us your raw material characteristics, finished product requirements, site conditions, production budget, hourly production, and other requirements, we have professional engineers to equip you with a suitable model at a reasonable price. Next, let’s see the types of flotation machine we can supply.

What Is XJB flotation machine Used For?

XJB bar type flotation machine with its strong stirring capacity and good slurry gas movement trajectory can effectively process mineral materials with high specific gravity, fast settling speed and coarse materials. In addition, the plant is equipped with a special flow stabilizer consisting of many bars of different lengths to optimize the flotation process.

For example, A copper ore processing plant in Chunlei chose the mineral processing turnkey service, because the plant handles ore with large specific gravity and coarse particle size, in the flotation process, we designed and modified the XJB rod-type flotation machine for it, utilizing high manganese steel casting steel rods, the abrasion resistance has been greatly improved, breaking the situation of the previous rod-type flotation machine with low durability. In the flotation process, the processing capacity reaches 3000t/d, and the energy consumption cost is relatively low.

Applicable materials: It is especially suitable for small and medium-sized mineral processing plants to process metal ores with high density and coarse particle size, such as lead, zinc, copper, molybdenum, sulfur and silica sand and other minerals.

XJB Flotation Machine Customer Site

Chunlei Machinery has been engaged in mining machinery manufacturing for more than 30 years, with a wealth of experience in building websites and customer cases, served customers all over the world!

Technical Parameters of XJB Flotation Machine

Model	Slot type	Effective volume(m³)	Capacity(m³/min)	Impeller diameter(mm)	Impeller diameter(r.p.m)	Stirring motor power（kw)	Scraper motor power（kw))	4-slot weight(kg)
XJB-1	suction channel	1	1.5-1.7	400	440	5.5	1.5	5344
XJB-1	DC tanks	1	1.5-1.7	410	410	4	0.8	5344
XJB-1D	suction channel	1	1.5-1.7	400	440	5.5	1.5	5479
XJB-1D	DC tanks	1	1.5-1.7	410	410	4	0.8	5479
XJB-2	suction channel	2	1.5-1.4	450	360	15	1.1	9071
XJB-2	DC tanks	2	1.5-1.4	540	360	11	1.1	9071
XJB-2D	suction channel	2	1.5-1.4	450	360	15	1.1	9320
XJB-2D	DC tanks	2	1.5-1.4	540	360	11	1.1	9320
XJB-4	suction channel	4	2.0-4	700	280	18.5	1.1	16325
XJB-4	DC tanks	4	2.0-4	510	280	18.5	1.1	16325

Working Principle of XJB Flotation Machine

Rod-type working principle is mainly to use the negative pressure generated by the impeller or rod-type wheel rotation, the air from the hollow shaft inhalation, and then the flotation wheel will be divided to form tiny bubbles, and then by the impeller or the rod-type wheel strong agitation and ejection, so that the slurry and the air are fully mixed, this slurry gas mixture in the flotation wheel of the role of the inclined rod, the role of flotation chemicals (trapping agent) of the useful minerals particles, selective attachment to the air bubbles, up to the surface of the slurry, scraped by the scraper into the concentrate tank, thus completing the sorting operation. Under the action of this slurry gas mixture, the useful mineral particles by the action of flotation chemicals (trapping agent) will selectively attach to the air bubbles and float to the pulp surface, which will be scraped into the concentrate tank by the scraper, so as to complete the separation operation.

The structure of rod-type flotation machine is an inflatable agitator group composed of inclined rod wheel, cam platform, curved stabilizer plate, etc. The impeller consists of 12 inclined conical rods combined with a disk, and each rod is tilted backward at an angle of 45° in the direction opposite to the rotation of the rod wheel, and the conical angle expands outward at an angle of 15° from the top to the bottom. This design allows the linear velocity of the inclined bars to increase as they rotate downward, thus increasing the mixing action.

Advantageous features of XJB Flotation Machine

• This flotation equipment has particularly strong agitation particle size, good pulp gas movement trajectory, especially suitable for flotation of mineral materials with large specific gravity, fast settling speed and coarse materials.
• The flotation equipment is equipped with a tab between the bottom of the tank and the bars, which plays a guiding role and can accelerate the speed of the pulp gas mixture rushing to the bottom of the tank.
• The arc-shaped flow stabilizer plate is provided between the bottom of the trough and the bars, which can move around the trough body, so that the pulp, gas and medicine are mixed evenly in the trough and move in a W-shaped trajectory.
• The flotation speed is fast.
• Stopping is easy to start.

XJB Flotation Machine FAQ

1. Q: What is the maximum particle size the XJB flotation machine can handle?
A: The XJB flotation machine can effectively process materials with a maximum particle size of up to 0.5mm. For best recovery rates, we recommend a feed size between 0.074mm and 0.3mm.

2. Q: How much air pressure does the XJB flotation machine require?
A: The XJB flotation machine operates with a low-pressure air supply of only 0.015–0.03 MPa. This low pressure requirement significantly reduces your blower energy costs compared to conventional flotation cells.

3. Q: What is the pulp density range for optimal XJB flotation performance?
A: For optimal flotation recovery, the feed pulp density should be maintained between 25% and 35% solids by weight. The machine can operate effectively from 20% to 40% depending on your specific ore characteristics.

4. Q: How often do the impeller and stator need to be replaced on an XJB flotation machine?
A: The wear life of the impeller and stator typically ranges from 6 to 12 months, depending on the abrasiveness of your ore. We manufacture these parts from wear-resistant rubber or polyurethane to maximize service life. We recommend keeping one spare set on hand to minimize downtime.

5. Q: What is the difference between XJB and traditional flotation machines like SF or JJF?
A: The XJB flotation machine features a unique self-priming air design and a shallow tank configuration. Compared to the SF type, it consumes about 15–20% less power. Compared to the JJF type, it has a stronger air suction capacity and can handle higher density pulps without sanding.

6. Q: Can the XJB flotation machine be used for coarse or fine mineral recovery?
A: Yes, the XJB design is particularly suitable for recovering both coarse particles (up to 0.5mm) and fine particles (down to 0.01mm). Its gentle agitation and stable froth zone make it effective for a wide size range, including difficult-to-float fine minerals.

7. Q: What is the typical floor space required for an XJB flotation bank?
A: Due to its shallow tank design, an XJB flotation machine bank requires approximately 15–20% less floor space per ton of capacity than traditional deep-tank flotation cells. A typical 8-cell bank for a 200 tpd plant needs about 25–30 square meters.

8. Q: Do you provide installation and commissioning support for the XJB flotation machine?
A: Yes, we dispatch 1–2 experienced engineers to your site for installation guidance, commissioning, and operator training. We also provide a detailed 3D layout drawing and foundation plan before delivery. Your workers will be trained until the machine achieves stable target recovery rates.

9. Q: What is the price range for an XJB flotation machine for a small mining operation?
A: For a small-scale operation of 50–100 tpd (typically 4–6 cells), the price ranges from $15,000 to $35,000 USD depending on cell volume, rubber lining, and motor brand. Contact us with your throughput and we will provide an itemized quote within 24 hours.

10. Q: What spare parts should I keep in stock for my XJB flotation machine?
A: We recommend keeping the following spare parts on hand: one set of impellers and stators, a spare V-belt set, two sets of bearing assemblies, and a control valve kit. This will cover 90% of common maintenance needs and keep your downtime under 48 hours for most repairs.