RU2597319C1 - Modular device for thin layer of purifying mine water from suspended particles - Google Patents

Abstract

FIELD: treatment plants.

SUBSTANCE: invention relates to cleaning water from suspended particles and can be used in dressing of minerals and purifying mine water. Device includes frame, tank for accumulation of sludge and sludge discharge mechanism from tank. Device framework is made according to form of vessel section, where it is placed, edges of which are closed and have fastening on them for retention of device in reservoir, and brackets at top. Inside frame plates are mounted parallel to each other at distance of 40-50 mm. Central plates are made different in size, integral with bending angle of 80-90°, hinge bushings are rigidly fixed on both sides aflush with edges and coated with electrically neutral material. Shifted from centre plates have bushings on top ends, inclination angle of plates to horizontal plane makes 45-50°. Between boards and bottom edges of plates there are gaps, equal to inter plate distance, closed against direct water flow with front and rear protective plates. At side walls there are chamfers at angle of 45-50° to horizontal plane. Central plates attachment to frame is made with rigidly fixed on frame front and rear central stands with holes for hinged connection, fixation of displaced plates is directly to upper ribs of frame by axes with pins.

EFFECT: technical result is simplified design, ease of manufacture and assembly.

1 cl, 1 dwg

Description

The invention relates to a technique for purifying water from suspended particles under the action of hydrodynamic forces and gravity in a liquid medium, which can be used in mineral processing and purification of mine water.

Known thin-layer hydroclassifier [1], comprising a housing with packages of inclined wave-shaped plates, a receiving pocket, an inclined dividing wall, feeding and sludge-removing channels located at the ridges and troughs of the plates, a collecting pocket with an overflow threshold for the withdrawal of purified water, vertical partitions of the supply channels and shutters overflow channels for regulating the input and output flows. The disadvantage of the classifier is the overgrowth of inter-plate gaps in the package with sludge, sludge is deposited in the oncoming liquid stream.

Known thin-layer sump [2], in which the input channel is blocked by a soothing grid, the supply channels are equipped with fairings, and the sludge channels are blocked by a partition. Thin-layer sedimentation tank has the same drawback as the previous analogue - overgrowing of interplate gaps.

Known thin-layer sump [3], made in the form of a filter partition such as blinds, the plates of which are installed at an angle of 55-60 ° to the horizontal plane, and the inlet and outlet of water and sludge are mutually arranged so that the outlet of the condensed sludge is located at right angles to the entrance and water outlet, while equipped with an electric vibrator plates for cleaning them.

The main disadvantage of this device is the low capacity of the sump, and the electric plate vibrator does not allow sludge to settle on the plates during its operation. The device does not take into account the physical property of water particles and plates.

The closest technical solution adopted for the prototype is a device for cleaning process water from suspended solids [4], including a frame with flat plates located at an angle of 50-70 ° and 45 ° to the horizontal plane, tanks for accumulating sludge and an unloading mechanism sludge. The cross-section of the frame is made in a trapezoidal shape and contains several sections separated by frames with lateral upper and lower central bridges, the first frame with a flow of water with a slope of the upper edge towards the water flow at an angle of 45-55 ° and made with holes in the side and central bridges, in which steel strings are installed, and the second and subsequent frames are made with fingers on the upper and central jumpers, and the lower and side jumpers are with grooves for installing plates, while the plates are made with a zag 180 ° upper edge, which fingers freely cover, and 30 ° lower edge bend, which freely passes into the groove of the lower or lateral lintel so that the plates are located along the flow at an angle of 50-70 ° to the horizontal plane, the plates are made of galvanized sheet , and the upper side of the plates is covered with linoleum.

The objective of the invention is to simplify the design, manufacturability of the manufacture and installation of a modular device for thin-layer cleaning of mine water from suspended particles.

The solution to the problem is achieved in that in a modular device for thin-layer cleaning of mine water from suspended particles, the device frame is made in the shape of the cross section of the tank where it is placed, the sides of which are closed and have fastenings on them to hold the device in the tank, and on top are brackets for ease of installation devices, inside the frame are mounted parallel to each other at a distance of 40-50 mm plates, while the central plates are made of different sizes, solid with a bending angle of 80-90 °, in which on both sides flush with the edges are rigidly fixed the swivel bushings are coated with an electrically neutral material, and the plates offset from the center have bushings at the upper ends, the angle of inclination of the plates with a horizontal plane is 45-50 °, while there are gaps between the sides and lower edges of the plates that are equal to the plate-to-plate distance, which serve as channels for transferring settled particles into the storage tank, protective plates closed for direct water flow in front and behind, and to prevent siltation of the transfer of settled particles into the storage tank l provide for bevels at the sides at an angle of 45-50 ° to the horizontal plane, the central plates are fastened to the frame using front and rear central struts rigidly mounted on the frame having holes for articulation, the offset plates are mounted directly to the upper edges of the frame with axes with with pins, the oscillation of the plates is ensured by the installation of stops on the lower edges of the frame and side plates at a distance of 3-5 mm between each plate.

The operation and design of a modular device for thin-layer cleaning of mine water from suspended particles is illustrated in FIG. 1, where a top view is presented, section A-A is a side view, section BB is a cross-section of the device and node B is a plate mount.

In FIG. 1 the following conventions are adopted: 1 - device frame, 2 - device placement capacity, 3 - frame frame, 4 - fastener, 5 - bracket, 6 - center plates, 7 - sleeve, 8 - offset plates, 9 - gap (channel) 10 - accumulating capacity, 11 - protective plates of the channels, 12 - bevels, 13 - central pillars of the frame, 14 - axis of hinge mounting, 15 - pin axis.

The frame 1 of the modular device for thin-layer cleaning of mine water from suspended particles is performed in the shape of the cross section of the tank 2, where it is placed, the sides 3 of which are closed and have fastenings 4 on them to hold the device in the tank 2, and on top of the bracket 5 for ease of installation of the device. Inside the frame 1, differently sized plates are mounted parallel to each other at a distance of 40-50 mm, while the central plates 6 are made integral with a bending angle of 80-90 °. In the frame 1, on both sides flush with the edges, the bushings of the swivel joint 7 are rigidly fixed and coated with an electrically neutral material. Displaced from the center of the plate 8 have bushings 7 at the upper ends, the angle of inclination of the plates with a horizontal plane is 45-50 °. At the same time, between the sides 3 and the lower edges of the plates there are gaps 9 equal to the inter-plate distance, which serve as channels for transferring settled particles into the storage tank 10. The gaps 9 are closed for direct water flow from the front and rear by protective plates 11, and to prevent siltation of the bypass of settled particles in the storage tank 10 are provided at the sides 3 of the bevels 12 at an angle of 45-50 ° to the horizontal plane. The central plates 6 are attached to the frame 1 by means of the front and rear central struts 13 that are rigidly fixed to the frame and have holes and bushings 7 for articulation, and the offset plates 8 are fixed directly to the upper ribs of the frame 1 by axles 14 with pins 15. Oscillation of the plates provided by the installation of stops on the lower ribs of the frame 1 and the side plates 8 at a distance of 3-5 mm between each plate.

Inside the frame 1, different-sized plates are mounted parallel to each other at a distance of 40-50 mm. This distance between the plates is selected from the condition of the passage of the hand of the installer between the plane trees to install the axles, pins and plates. Otherwise, during installation it will be necessary to use an additional tool.

Bending the plates at an angle of 80-90 ° guarantees their working position at an angle of 45-50 °, which exceeds the angle of repose for bulk materials in water and will not be an obstacle to bypass settled sludge and sludge from the plates, as well as from slopes having the same corner that prevents clogging of bottlenecks. Similarly, at an angle of 45-50 ° to the horizontal plane at the sides 3 of the storage tank 10, bevels 12 are provided.

The stops were installed on the lower ribs of the frame 1 and the side plates 8 at a distance of 3-5 mm between each other so that the plates had a stroke and could fluctuate in the flow of water: then the particles of silt and sludge would not stick to them.

The operation of the device is as follows.

A contaminated water stream enters the device, the central 6 and displaced plates 8 are divided into layers, the flow rate of which is equal to the speed of the total flow, while the deposition path of the suspended particle is reduced by a factor equal to the number of plates (and-1, the suspension of the flow under the bottom plate is deposited into the storage tank).

Suspended particles under the influence of gravitational forces are deposited on plates 6 and 8, decelerated and rolled along the plates into the gaps (channels) 9 closed from the direct flow of the protective plates 11, where the flow is insignificant, and along them and the bevels 12, the sludge is transferred to the storage tank 10, from where it is unloaded mechanically.

The technical result is a simplification of the design, improving the manufacturability of the manufacture and installation of a modular device for cleaning mine water from thin-layer suspended particles.

Literature

1. Patent SU No. 1172578. Thin-layer hydroclassifier, IPC B01D 21/24, publ. 08/15/85.

2. Patent SU No. 1223955. Thin-layer sedimentation tank, IPC B01D 21/24, publ. 04/15/86.

3. Patent RU No. 2162004. The method of clarification of technological water in underground water collectors with mechanized treatment, IPC B01D 21/00, publ. 01/20/2001.

4. Patent RU No. 23239851. Device for purifying process water from suspended particles, IPC B01D 21/02, publ. 07/27/2008.

Claims (1)

A modular device for thin-layer cleaning of mine water from suspended particles, including a frame with plates located at an angle to the horizontal plane, a tank for accumulating sludge and a mechanism for unloading sludge from the tank, characterized in that the frame of the device is made in the shape of the cross section of the tank where it is placed, the sides of which are closed and have fasteners on them to hold the device in the tank, and on top are brackets for ease of installation of devices, they are mounted parallel to each other inside the frame at a distance of 40-50 mm plates, this central plates perform different-sized, solid with a bending angle of 80-90 °, in which on both sides flush with the edges rigidly mount the swivel sleeve and cover with an electrically neutral material, and offset from the center of the plate have bushings at the upper ends, the angle of inclination of the plates with horizontal the plane is 45-50 °, while between the sides and the lower edges of the plates there are gaps equal to the inter-plate distance, which serve as channels for the passage of settled particles into the storage tank, closed to pit water flow from the front and back by protective plates, and to prevent siltation of the bypass of settled particles into the storage tank, bevels are provided at the sides at an angle of 45-50 ° to the horizontal plane, the central plates are fastened to the frame using front and rear central racks rigidly fixed to the frame having holes for swiveling, the fastening of the offset plates is carried out directly to the upper ribs of the frame by axles with pins, the oscillation of the plates is provided by the installation of stops on the lower ribs of the frame and side plates at a distance of 3-5 mm between each other for each plate.

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