RU2561099C1 - Device for removal of deposit from tank bottom - Google Patents

Abstract

FIELD: engines and pumps.

SUBSTANCE: device includes a deposit accumulation device and a drain branch pipe; on opposite walls of the tank there are longitudinal guides fixed, out of which one guide is made in the form of the first split tube, at which on edges of the horizontal slot there fixed are flaps from elastic material and which is provided with a deposit removal branch pipe connected to the pump and provided at the outlet with a deposit collection tray; a transverse guide in the form of the second split tube has the same elastic flaps on edges of the horizontal slot and is installed by means of carriages on longitudinal guides of the tank; with that, one end face of the second split tube is closed, and the other end face is provided with a branch pipe with a tip, which is arranged between elastic flaps of the first tube; with that, the tip cross-section in the place of its cover with elastic flaps has the shape of a wedge on both sides of the tip along the flap alignment line, and the other end of the branch pipe with the tip is located inside the second tube in the deposit accumulation and movement zone; the same tip of the intake branch pipe is installed between elastic flaps of the second tube, and the nozzle of the intake branch pipe is arranged approximately on the level of deposit in liquid; with that, the intake branch pipe is installed by means of a carriage on the second split tube; besides, all the carriages of the device are installed with a possibility of back and forth movement by means of a drive.

EFFECT: device provides completeness and quality of deposit removal.

2 cl, 3 dwg

Description

The invention relates to the purification of sludge from the bottom of containers with a flat bottom.

Known "Device for the selection of oil sludge and sediment from the sludge collector" according to the patent for utility model of the Russian Federation No. 108031, containing several receiving tips lying on the bottom of the sludge collector, and pumps for them, characterized in that the pumps for receiving tips are made in the form of steam ejectors, the active nozzle of which is connected to the steam supply line, and the passive nozzle is made in the form of a conical socket covering the active nozzle, through which oil sludge and bottom sediment are taken, moreover, on the surface of the sludge Pitel mounted float having a closed configuration, the enclosing of the surface of the slurry tank into which by flexible conduits supplied oil sludge and bottoms of the receiving lugs lying at the bottom of the slurry tank, while the enclosed portion of the surface sludge collector disposed additional receiving tip provided with hydro elevator conducting fence sludge.

Disadvantages: complicated design, the presence of a float on the surface and the associated pipeline complicates the full use of the capacity of the sludge collector.

The most similar to the invention is an airlift for cleaning the tank from sediment according to USSR author's certificate No. 1508670, containing means for collecting sediment located at the bottom of the tank in the form of a collector with suction openings, a lifting pipe with an air separator connected to it, an exhaust and drain pipe, the last of which directed to the surface of the tank, the filter and the duct, characterized in that in order to intensify the cleaning process, the collector is made in the form of a pipe bent in a spiral and is equipped with ERSTU nozzle axes directed tangentially to the tube axis, Air Release nozzle directed toward the surface of the container, the filter is placed above the container surface, and introduced into the filter tubes.

Disadvantages: the complicated design of the collector, the spiral at the bottom complicates the cleaning technique and the quality of cleaning due to the intake of sludge between the turns of the spiral. Moreover, all nozzles are turned on at the same time, which corresponds to the supply of a large volume of water.

Analyzing the methods of cleaning the bottom from sediment, it can be indicated that many solutions use mechanical cleaning of the bottom with scrapers.

The technical task of the invention is to ensure the completeness and quality of sludge removal, to simplify the device while providing the possibility of operation for cleaning containers and tanks of various depths and shapes.

The problem is solved by the claimed invention, it is claimed:

A device for removing sludge from the bottom of the tank, including the tank, on the opposite walls of the tank, mainly in its lower part, two longitudinal guides are strengthened, of which one guide is made in the form of a first split tube with closed ends, on which sashes of elastic material and which is equipped with a discharge pipe for sludge connected to the pump and provided with an outlet tray for collecting sludge, the transverse guide in the form of a second split tube is made the same elastic flaps on the edges of the horizontal slit and installed by means of carriages on the longitudinal guides of the container, while one end of the second split tube is closed, and the second end is equipped with a nozzle with a mouthpiece, which is located between the elastic flaps of the first tube, while the cross section of the mouthpiece in place of its coverage elastic flaps has the form of a wedge on both sides of the mouthpiece along the line of alignment of the wings, and the other end of the nozzle with the mouthpiece is inside the second tube in the zone of accumulation and movement of sediment, the same mouth fat intake pipe installed between the elastic flaps of the second tube, and the intake pipe nozzle taken approximately at the level of sludge in the liquid, wherein the intake manifold is mounted via a carriage on the second slotted tube. In addition, all carriages of the device are mounted with the possibility of reciprocating movement by means of a drive. The carriage drive includes pulleys and cables.

The inventive device provides accessibility for cleaning at any point on the surface of the bottom of the tank of any size using two longitudinal and one transverse guides, two carriages on the longitudinal and one on the transverse guide in the absence of rotary, rotating parts, bridges, crossbars, supports and other complex units, without additional rinse water flow rate; the device is able to function in the presence and absence of the main volume of water in the tank. At the same time, the pump will ensure the quality of sediment removal even with a small pressure drop. The operation of the drive can be carried out manually or using software control, as well as remotely. The stated principle can easily be the basis for the purification of sludge in cylindrical tanks.

The inventive device for removing sludge from the bottom of the tank includes a tank 1. In the lower part of the tank, two longitudinal guides 2 and 3 are fixed on opposite walls. One guide is made in the form of a split tube, on which sashes 5 of elastic material are fixed on the edges of a horizontal section 4, for example rubber. Sashes can be made end-to-end along the line of edges or end-to-end with narrow flat limbs of the sashes. The valves are pressed together with each other so that there is no leakage of liquid into the split tube in the liquid medium. The output of the sediment collected inside the tube 2 is through the sediment discharge pipe 6, equipped with a pump and a tray for collecting sediment (sludge) (not shown in the figures).

The transverse guide in the form of a second split tube 7 with similar elastic flaps at the edges 8 of the cut is placed by means of carriages 9 and 10 on the longitudinal guides 2 and 3 (guide 2 in the form of a tube). The carriages 9 and 10 are mounted with the possibility of reciprocating movement.

One end of the tube 7 is plugged, and the other end is equipped with a nozzle with a mouthpiece 11, which is inserted between the elastic flaps of the tube 2. A section 12 of the mouthpiece at the place of compression of the flaps has the form of a wedge on both sides of the mouthpiece along the alignment of the flaps (as shown in figure 3). The second end of the nozzle with the mouthpiece is inside the tube 7 in the zone of accumulation and movement of sediment.

The nozzle 13 of the intake pipe 14 is located at the estimated depth of sediment accumulation - 2-3 mm above the bottom of the tank. The nozzle 14 at the other end is provided with a mouthpiece 15, which in shape and placement in a section of the tube 7 is made similar to the mouthpiece 11. The nozzle 14 is equipped with a carriage 16 mounted with the possibility of reciprocating movement along the tube 7. The carriage drives are made, as an example, in the form cables and pulleys 17 and 18. Replacing with other types of drives will provide the same function.

The described design allows the movement of the intake pipe 14 above the horizontal bottom of the tank with the liquid being cleaned along the trajectory with full coverage of the entire bottom surface.

Continuous closed transportation of sediment from any point on the surface is provided by nozzles with mouthpieces. When moving the mouthpieces between the elastic flaps, the front wedge of the mouthpiece pushes the flaps, which then bend around the mouthpiece and close at the edge of the rear wedge. Such a floating pipeline allows you to create a small pressure drop directly at the position of the nozzle 13. The sediment is taken without the formation of side jets and vortices and unwanted dispersion of the sediment. Thus, a more complete collection and removal of sediment is carried out and high-quality cleaning of containers of any depth is ensured. The carriage drive with a movement mechanism in the form of pulleys and cables allows you to use the device in containers of any depth and function without draining the liquid being cleaned and regardless of the cleaning mode.

Claims (2)

1. A device for removing sludge from the bottom of the tank, including means for collecting sludge and a drain pipe, characterized in that on the opposite walls of the tank, mainly in its lower part, two longitudinal guides are fixed, of which one guide is made in the form of a first split tube with closed ends, on which flaps of elastic material are fixed on the edges of the horizontal section and which is equipped with a pipe for removing sediment connected to the pump and equipped with an outlet tray for collecting sediment, transverse the guide in the form of a second split tube is made with the same elastic valves on the edges of the horizontal section and is mounted by means of carriages on the longitudinal guides of the container, while one end of the second split tube is closed and the second end is equipped with a nozzle with a mouthpiece that is placed between the elastic shutters of the first tube, the cross section of the mouthpiece at the place of its coverage by elastic sashes has the form of a wedge on both sides of the mouthpiece along the line of alignment of the wings, and the other end of the nozzle with the mouthpiece is inside swarm tube in the zone of accumulation and movement of sediment, the same mouthpiece of the intake pipe is installed between the elastic flaps of the second tube, and the nozzle of the intake pipe is placed approximately at the level of sediment in the liquid, while the intake pipe is installed by means of a carriage on the second split tube, in addition, all carriages the devices are mounted with the possibility of reciprocating movement by means of a drive. 2. The device according to claim 1, characterized in that the carriage drive includes pulleys and cables.

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