Adjustable involute concentrator and method of its actuation. RU patent 2507006.

FIELD: process engineering.

SUBSTANCE: invention relates to involute concentrator and can be used for separation of minerals. Said concentrator comprises involute flute with inner and outer edges and flow deflection adjustable device arranged in immediate proximity to flow path to perform controlled deflection of suspension flow portion in said flute. Said and flow deflection adjustable device comprises deformable element. Deformation of deformable element is controlled by remote means. Said deformable element comprises at least one inflatable chamber.

EFFECT: higher efficiency of separation.

16 cl, 11 dwg

The present invention relates to scroll hub.

Spiral concentrators use for the Department of minerals through the provision of a downward spiral troughs, which moves mineral suspended. The flux of sediment subjected to centrifugal and gravitational forces. More heavy minerals (particles of high density) are concentrated in the inner part of the gutter, and rock particles (particles of low density) rush to the outer part of the gutter.

To improve the performance of various modifications of the gutter. An example of a spiral concentrator device deviations flow can be found in the WO 02092232.

In accordance with the embodiment created spiral concentrator, containing a spiral chute with the inner edge and an outer fringe, including adjustable device deviations flow located in the immediate proximity to the trajectory of flow, the device deviations flow is adapted to the regulated deviations at least part of the flow of sediments in the gutter.

Device deviations flow can be configured to control.

Adjustable device deviations flow can be located in the supporting surface of the gutter.

Adjustable device deviations flow can be located above the support surface of the gutter.

Adjustable device deviations flow can be located in close proximity to the inside edge of the trench.

Adjustable device deviations flow can be located between the inner edge of the gutter and the outer edge of the trench.

Device deviations flow may include deepening the supporting surface of the gutter.

Device deviations flow may include deformable element.

Deformable element can include an inflatable bladder.

Inflatable chamber can be, at least, the normal state, and or gone down state.

Inflatable camera can have a normal state, inflated state and or gone down state.

On the surface of the inflatable chamber may be applied with a protective layer.

Spiral concentrator may include two or more devices deviations flow on any of the preceding paragraphs.

Device deviations flow can be regulated piston.

The invention also provides spiral hub containing the outlet groove to concentrate.

Device deviations flow can be accomplished with the possibility of deviation concentrate sediments in the outlet groove.

Deflection device thread may be a device, which is located above the support surface of the gutter and when it changes the physical condition, comes in contact with a chute, to reject stream, and in the other state is not in contact with slide, allowing a thread to traverse the normal trajectory.

Device deviations flow may change the configuration or shape gradually, so gradually reject a larger or smaller stream in accordance with the necessity.

Device deviations or deflector flow can be separated from and is located in close proximity to the reference surface of the gutter and can be executed with the possibility of contact with a stream or conduit, or with both of them gradually and with the possibility to control.

Using device deviations from the waste stream or flow of intermediate product may be rejected by the operator in accordance with the necessity.

Controlled deformation of the gutter can have the desired impact on the flow, such as improving the efficiency of the Department or the change in density or the speed of a suspension.

Controlled deformation of the devices physically separated from the gutter, may be used to render the desired impact on the flow, such as improving the efficiency of the Department or the change in density or the speed of a suspension.

The invention also provides a way of triggering a spiral concentrator, including the stage of regulation devices shape deviations thread to allocate concentrate in the outlet groove to concentrate.

Here are a few options for implementation, an example only, with reference to the attached drawings, in which:

Fig. 1 is a schematic partial view of all variants of the spiral concentrator containing the outlet groove to concentrate.

Fig. 2 is a schematic view of the chute in accordance with an alternative implementation;

Fig. 3 is a schematic view of the channel cross section of the spiral concentrator, containing flexible hose in accordance with the option of carrying out the invention.

Fig. 4 is a different kind of device is shown in Fig. 2, showing the deformable element in a compressed or or deflated condition.

Fig. 5 is a stylized view in the context of the channel that contains the inflator unit deviations in accordance with the option of carrying out the invention.

Fig. 6 is a top view of the device shown in Fig. 4.

Fig. 7 represents another option for practicing the invention.

Fig. 8 presents a schematic view of the spiral concentrator device deviation of the stream in accordance with the option of carrying out the invention.

Fig. 9 depicts a variant of the invention, in which deformable element is designed as a single whole with the spiral.

Fig. 10 depicts a variant of the invention, in which deformable element is separate from and is secured above the trough.

Fig. 11 depicts top view or view in terms of the device is shown in Fig. 11.

In the reference positions used in the drawings, figures, standing before the point, the point drawing number and the numerals after the point are the reference position of the element. Where possible, in different drawings to denote the relevant elements use the same reference position.

The invention will be described with reference to the options for implementation, as illustrated in the attached drawings.

In Fig. 1 shows a portion of the spiral concentrator containing the gutter 1.001 with a profile specified reference position 1.004. Gutter contains the outer wall of 1.005, forming its outer edge, and two levels, 1.006 and 1.010 with relevant ledge 1.009 between the levels of 1.006 and 1.010. Level 1.010 located near the inner edge and forms the outlet groove to concentrate. Spiral chute is situated around the Central support 1.011. Bearing 1.011 may be a pipe used for submission of suspended solids in the upper or input part of the spiral concentrator or for the return of the allocated suspension in the front part of the hub.

Spiral chute can be connected with supporting tube through flange 1.015 and suitable fasteners such as bolts, rivets or welded seams (not shown). In the pipe 1.011 may be provided by one or more holes (not shown) in a communication on fluid channel 1.010 to concentrate, through which the concentrate may be set aside out of the channel. The pipe can include the inner tube and the outer pipe, and one of the pipes used to supply a mist or for the return of the allocated suspension, and the other pipe is used to collect suspension concentrate.

In the process of work the difference in density between particles of different kinds of minerals forces them to be separated in suspension as they move down the slide. Suspended in the inner part of the gutter has a greater angle than the suspension of the outside edge of the gutter, because both are the same vertical distance for one revolution, and the horizontal distance travelled by the outer edge, more than the inner part of the gutter. Concentrate flows into the outlet groove to concentrate.

For the performance increase can be a lot of spiral troughs placed parallel to around a common axis.

The mounting flange 1.015 shown in Fig. 1, on the other drawings not illustrated, to better illustrate other features of the invention.

Gutter shown in Fig. 2, modified in accordance with the embodiment through the inclusion of excavation 2.008 in supporting surface 2.006 gutter 2.004. Such a gutter provides the distribution of influence on the flux of sediment rejecting concentrate in the outlet groove 2.010 to concentrate. In one mode of operation suspension may take place through a hub only once. In an alternate mode, at least part of the suspension, extracted from the middle of the hub (intermediate), can be re-fed through a hub to increase the extraction of the desired product.

In other modifications can be equipped with an adjustable element to change the flow of sediments.

Although the dredging of inflatable camera shows as a continuing only for a short spiral Encyclical» distance around the inside edge, seizure and inflatable Luggage can last more circumferential distance through the entire length of the trough or for a short distance, depending on the desired application. In addition, one or more separate grooves and inflatable cameras can be placed at intervals, or in one seizure may be several related inflatable chambers.

In another embodiment adjustable element can continue along the width of the gutter, to ensure or retarding the flow of sediments.

In Fig. 3 shows a schematic device profile in accordance with the option of carrying out the invention, in which deformable element 3.012 is situated in the hollow 3.008. Deformable element 3.012 this option, the implementation is in the form of inflatable camera that can take two or more States. In the first state, inflatable Luggage 3.012 fills in notch and provides continued support surface 3.006 the gutter, so that it leaves the flux of sediment essentially untouched. To change the air pressure in the inflatable camera provides inflatable line 3.014. The suspension is shown in the form of a stream, which consists of two parts, the inner part of 3,020 (concentrate) and the outer part of 3.022 (waste). The angle of the spiral troughs may be chosen to hold concentrate in the gutter. Excavation 3.008 can be tough to maintain an inflatable bladder.

As shown in Fig. 4 when inflatable Luggage 4.012 launched, for example, through the application pressure across the line of 4.014, inflatable camera is flattened, the thread is broken and concentrate deviates to the center and the outlet groove 4.010 to concentrate. As a means of regulating the number of concentrate inflatable camera can also be done in the state of the managed, partially emptied.

In Fig. 5 shows a stylized schematic view of part of the spiral troughs hub containing the item or an inflatable bladder 5.012, made with the possibility of inflation/deflation in the recess of the 5.008. Inflatable Luggage 5.012 shown in the pressurized state in which it stands above the support surface 5.006 gutter.

Two or more inflatable cameras can be placed side by side in a continuous excavation. Top inflatable camera can be performed with the possibility of inflation above the support surface trough through the use of compressed air or other suitable compressed fluid. This can be used when it is desirable to hold concentrate in the gutter at a certain distance. The second inflatable camera can be positioned near the top of the camera to reject concentrate in the required area. Using several of these inflatable chambers makes this equipment is suitable for various suspensions and other

In Fig. 6 shows the top view of the device shown in Fig. 5. Shows the external wall of the 6.005 and bearing surface 6.006 troughs containing inflatable item 6.012, located at the inner part of the support surface 6.006 near the outlet groove 6.010 to concentrate. When concentrate moves in the outlet groove 6.010 to concentrate, it can be assembled by means of properly located channel or he may move into the gap 6.015.

Inflatable Luggage can be made of any suitable flexible airtight material that can withstand the conditions of work of the spiral concentrator. For inflatable camera can be used natural rubber, silicone rubber or polyurethane. Inflatable baggage may contain, at least, on the surfaces, which are exposed to the suspension, the outer layer or coating to provide additional strength and durability. For the outer layer can be used polyurethane film or any other suitable material. The outer layer can be woven material.

Pneumatically deformable element can also be a bellows or device of a telescopic type, which expands and contracts and which do not need to perform from the very elastic material, such as rubber. Device deviations can be made of individual parts, such as flexible inflatable Luggage containing wear-resistant surface in contact with the suspension.

In Fig. 7 shows the other device in which to ensure breaking the flow, in a hollow or a hole in the bearing surface of the gutter is adjustable piston 7.024. Piston 7.024 is driven by rod 7.026, which passes through a hole in the bearing surface of the gutter. The opening can be carried out in accordance with the size of the piston or, if the piston is located within the recessed area in the supporting surface of the gutter, the hole should only place the drive spindle. On the edge of the hole is provided by the seal.

Fig. 8 presents a schematic view of the spiral separator 8.001 with the device 8.002 deviations flow. Under a groove 8.008 device deviation is team funnel 8.030, and assembled concentrate output through the pipe 8.032. As shown in Fig. 8, device deviations flow can be located in a selected area on the spiral. In the selected areas can be, there are one or more devices such deviations.

In Fig. 9 shows a variant of the invention, in which deformable element is designed as a single whole with the spiral.

Spiral chute can be made of elastic material is or may contain upper layer of elastic material, and excavation 9.042 can be performed in support surface in the desired area. The upper surface of the 9.040 recess may be fine enough to deform in response to changes in pressure in the inflatable chamber, so it can be is pressurized or in accordance with the necessity. In addition, the side wall recess 9.044 can be flexible enough so she could deform under pressure changes in the inflatable chamber.

In Fig. 10 shows a variant of the invention, in which deformable element is separate from and is secured above the trough. Inflatable Luggage 10.012 attached to a rigid element 10.050. Hard element 10.050 can be made and configured to provide the most effective gradual contact when inflatable Luggage 10.012 pumped through the line biographical sketch 10.014. Hard element 10.050 connects with the Central column (pipe) 10.011. When the area of contact between the inflatable chamber 10.012 and chute 10.006 increases in the radial direction, the number of concentrate, in the outlet groove to concentrate increases.

In this description document link, disclosure or other publication or use does not imply that this document, disclosure, publication or use of form part of a well-known specialist knowledge in the field of technology to which the invention refers, at the priority date of this manual, unless otherwise specified.

In this description terminology denoting orientation or direction, such as «up», «down», «vertical», «horizontal», «left», «right», «vertical», «transverse» etc. should not be regarded as absolute terms, unless the context otherwise requires or specifies otherwise.

Where he used the word «containing» should be understood in its «surge» sense, in the sense of «including», not «restrictive» sense, in the sense of «consisting of only». The corresponding sense should refer to the corresponding words «include», «contained» and «contains», where they are used.

You must understand that the inventions disclosed and described in this document applies to all the alternative combinations of two or more individual characteristics mentioned or obvious from the text. All these different combinations of form various alternative aspects of the invention.

Although describes specific embodiments of the present invention, for professionals in the art it is obvious that this invention can be implemented in other specific forms without departing from its essential characteristics. Thus, the data of options for implementation and examples should be considered in all aspects as explanatory and not as limiting, and, thus, all the modifications that may be obvious to specialists in a given field of technology should be included in its scope.

1. Spiral concentrator, containing a spiral chute with the inner edge and an outer fringe, including adjustable device deviations flow located in the immediate vicinity of the trajectories of the flow and executed with the possibility of a regulated deviations at least part of the flow of sediments in the gutter, with adjustable device deviations flow includes deformable element.

2. Spiral concentrator according to claim 1, in which deformation of a deformable element is remotely controlled.

3. Spiral concentrator of claim 1, wherein the deformable element is made with the possibility of remote control by means of pneumatic tools.

4. Spiral concentrator of claim 1, wherein the waste stream or flow of the intermediate product is rejected by the operator in accordance with the necessity.

5. Spiral concentrator of claim 1, wherein controlled deformation of a deformable element has the desired impact on the flow, such as improving the efficiency of the Department or the change in density or the speed of a suspension.

6. Spiral concentrator of claim 1, wherein the deformable element includes an inflatable bladder.

7. Spiral concentrator of claim 1, wherein the deformable element includes several continuous inflatable cameras in a separate recess.

8. Spiral concentrator of claim 1, wherein the deformable element involves more than one inflatable camera, spaced.

9. Spiral concentrator of claim 1, wherein inflatable camera has, at least, the normal state, and or gone down state.

10. Spiral concentrator of claim 1, wherein inflatable camera has a normal state, state and or gone down state.

11. Spiral concentrator of claim 1, wherein the surface of the inflatable chamber applied a protective layer.

12. Spiral concentrator of claim 1, wherein the device deviations flow is situated in immediate proximity to the reference surface of the gutter and executed with the possibility of contact with a stream or conduit, or with both of them gradually and with the possibility to control.

13. Spiral concentrator of claim 1, wherein the device deviations flow is above the support surface of the gutter.

14. Spiral concentrator of claim 1, wherein the deformable element is pneumatically deformable.

15. Way of triggering a spiral concentrator containing adjustable device deviation of the flow of claim 1, and this method includes the stage at which regulate the form of the regulated device deviations flux for lead concentrate in the outlet groove to concentrate.

16. Method of remote actuation of the spiral concentrator, including method in accordance with paragraph 15 or spiral concentrator, made in accordance with any of the items 1-14, in which the adjustable device deviations flow done with the ability to provide remote management and accordingly ensuring the work of the spiral concentrator at a distance.