What is the difference between a concentrator and a thickener?

Concentrator and thickener are the same kind of equipment, but the name is different, due to regional differences, there may be places called thickeners, there are places called concentrators, are based on gravity sedimentation equipment, can do solid-liquid separation, can also be used for tailings treatment as sedimentation equipment. For details, please consult Yantai [Xin-Hai-Miner-Machine].

The thickener is a solid-liquid separation equipment based on gravity sedimentation, usually a cylindrical shallow groove with a conical bottom made of concrete, wood or metal welded plate as the structural material. The concentrator is suitable for concentrate and tailings dewatering treatment in concentrators, and is widely used in metallurgy, chemical industry, coal, non-metallic beneficiation, environmental protection and other industries. In fact, the high-efficiency thickener is not a simple sedimentation equipment, but a new type of dewatering equipment that combines the filtration characteristics of the mud layer.

The difference is that you go ...

A thickener is a solid-liquid separation equipment based on gravity sedimentation, usually a cylindrical shallow groove with a conical bottom made of concrete, wood or metal welded sheet as a structural material. The slurry with a solid weight of 10% and 20% can be concentrated into an underflow slurry with a solid content of 45% and 55% by gravity sedimentation, and the underflow slurry of the thickened trousers can be discharged from the underflow port at the bottom of the thickener with the help of a rake installed in the thickener with slow running (1 3 1 5r min).

The upper part of the thickener produces a cleaner clarifier (overflow), which is discharged by the annular chute at the top.

The thickener is widely used in hydrometallurgy, mineral processing plants, chemical plants and other production sites that need to be separated from solid-liquid rich and chaotic, with a diameter of 3 100 m and a depth of 2 4 m.

What is the specific content of the working principle of the high-efficiency concentrator, the following Zhongda Consulting will answer for you.

The concentration and precipitation of the high-efficiency thickener is a new method of using slurry and adding an appropriate amount of flocculant. The slurry and flocculant are quickly and evenly mixed to obtain the best flocculation effect, so that the flocculation group can settle quickly and realize the solid-liquid separation.

Before the slurry enters the high-efficiency concentrator, most of the gas contained in it is removed by the degassing device, and then enters the mixing device from the feed pipe, and the slurry is fully mixed with an appropriate amount of flocculant in the mixing device to form a good flocculation state, and then diffuses from its bottom to the surrounding into the high-concentration sedimentation layer formed at the bottom of the concentration tank. At this time, the flocculated slurry (flocculent) precipitates to the bottom of the tank; The slurry water rises upwards through the sediment layer. Here, the sediment layer acts as a filter and prevents the fine-grained mineral fibers from carrying the mud from rising.

The slurry that has not yet fully flocculated will continue to contact with the floc mass when it reaches the sediment layer, so that the floc will continue to grow. Finally, with the help of a central drive to drive the rake frame, the concentrated material is pushed towards the central discharge port and discharged, and the slurry water flows out of the overflow port.

Under normal operating conditions, there is a clear interface between the sediment layer and the clarifier on top of it. For optimal concentration, it is important that the interface control is in place. As a result, the high-efficiency concentrator automatically controls the "appropriate interface position".

In order to obtain a stable underflow concentration and a reasonable dosage, the high-efficiency concentrator also realizes automatic control of the underflow concentration and dosage, and the parameters of the whole control system can be processed by computer and printed regularly.

Diameter of concentrator tank: 60000mm

2.Concentrator depth: 8806mm

3.Feeding method: middle.

5.Rake stroke: 450mm

6.Rated working torque: 210kn*m

7.Rated working pressure:

8.Hydraulic motor reducer:

Model: P3NB10-140 NHM2-250

Oil displacement: 113ml r

Gear ratio: 140

Units: 49Total Gear Ratio:

10.Oil pump motor unit:

Model: 100SCY-14-1B

Power: 22kw

Units: 111Model: 10MCY14-1B

Power: 1

12.Rake cylinder:

Model: HSG-110 65-450

Stroke: 450mm

Units: 4 Second, structural characteristics and working principle.

The structure of the concentrator is detailed in the random general diagram.

Mainly: 1 transmission device, 2 bridge, 3 railing, 4 rake lifting device, 5 rotating cage, 6 steady flow cylinder, 7 long and short rake, 8 scraper, 9 deputy rake, 10, electronic control and hydraulic devices, etc. The installation position of each component is shown in the random general drawing.

The transmission device and the rake lifting device are installed on the central support seat of the concentrator, which makes the concentrator rotate in the pool with the support seat as the center, and lifts the rake up and down.

The bridge is mounted on the concentrator and serves as a passage for the operator to enter the concentrator.

The steady flow cylinder is hung on the maintenance platform, the feed pipe connects the steady flow cylinder with the outside of the concentration tank, and the material enters the feed pipe and flows into the steady flow cylinder, and enters the inside of the concentration tank through the steady flow cylinder.

When the hydraulic motor reducer drives the cage to rotate, the rake frame rotates, and the rake teeth at the lower part of the rake frame scrape the precipitated material to the concentrator **, which is further stirred by the auxiliary rake and discharged by the underflow pump. When the rake cylinder drives the rake lifting device to rise or fall, the rake frame also rises or falls.

The hydraulic station provides power for the transmission device, and the oil pump of the hydraulic station is a variable pump, which can change the speed of the rake frame by adjusting the oil discharge volume of the oil pump to achieve the best process effect.

When the material that settles to the bottom of the concentration tank increases, and the bed thickens, the working resistance of the rake frame also increases, when the working resistance increases to 4MPa, the pressure relay, the delay relay, and the solenoid valve act to cut off the oil circuit of the hydraulic motor, at this time the spindle stops rotating, and the rake cylinder drives the rake frame to lift upward, and after a delay of about 3 5 seconds, the solenoid valve acts again, resumes supplying oil to the hydraulic motor, and the spindle begins to rotate again. When the rake frame is lifted, the working resistance is reduced, if it is reduced to less than 4MPa, the rake is no longer lifted, the rake frame stays at this height and rotates to work, the rake teeth scrape the material to the pool, and with the gradual reduction of the working resistance, the rake gradually descends to the normal working position. When the working resistance increases to the set value again, the rake frame is lifted again, and the above actions are repeated, so as to achieve the purpose of automatically lifting and lowering the rake.

There are many thickener models listed here, and you should choose the right thickener according to your own needs.

The characteristics of the concentrator are: (1) adding flocculant to increase the particle size of the settled solid particles, thereby accelerating the sedimentation speed; (2) Install inclined plates to shorten the settlement distance of ore particles and increase the settlement area; (3) play the role of flocculation, filtration, compression and increase the treatment capacity of the dense phase layer of mud sedimentation; (4) Equipped with complete automatic control facilities.