CN215137156U - Crude oil sediment silt flusher - Google Patents

Abstract

The utility model relates to a silt washing unit, concretely relates to crude oil deposit silt wash ware. The flushing sweeper comprises an interface flange seat, a liquid flow power device, a rotary speed reducing device and a rotary sweeping nozzle; the liquid flow power device is arranged in the interface flange seat, and the rotary speed reducing device is positioned below the interface flange seat and is connected with the liquid flow power device; the lower end surface of the rotary speed reducer is connected with a rotary sweeping nozzle. The crude oil sediment flushing device realizes the automatic flushing of the oil sand at the bottom in the tank to ensure that the settled sand floats and can be normally sucked out of the tank, and manual oil sand cleaning after the tank is stopped is avoided; in addition, the flushing device depends on liquid flow, does not need electricity, and is safe and reliable; can install at storage tank central point and put, also can follow tank deck light trap and install work in the storage tank, avoided the manual work to advance jar, the installation is simple and convenient, does not need the maintenance cost, has solved the heavy end difficult problem of storage tank oil sand.

Description

Crude oil sediment silt flusher

Technical Field

The utility model relates to a silt washing unit, concretely relates to crude oil deposit silt wash ware.

Background

In each large oil field, the large-tank sedimentation desanding device is widely used, but when a large amount of solid particles such as silt and the like carried by oil-water mixture liquid settle to the bottom of the tank under the action of gravity, the solid particles are deposited to a certain degree, the separation efficiency of the sedimentation tank and the reduction of the tank volume are seriously influenced, and the sand must be removed in time.

To solve this problem, the current common methods: firstly, the tank is manually fed into the tank for cleaning after being stopped periodically, and the settling tank is cleaned by adopting a manual high-pressure water washing method after tank dumping when the settling tank is cleaned, so that the sand removing method has the advantages of long cleaning time, high labor intensity, high operation cost, unsafety, environment pollution caused by cleaning oil sand, difficulty in treatment and the like; secondly, high-pressure jet flow descaling and cleaning, the method has the advantages of high jet flow descaling efficiency and clean cleaning; for example, the chinese invention patent CN106918421B discloses an adjustable ultrahigh pressure jet pressure measurement experimental device, which comprises an electrical control box, a motor, a coupler, a high pressure plunger pump, an inlet safety valve, a water inlet device, a filter, a drain outlet, a digital display pressure gauge, a water outlet pipeline, a plurality of water outlet electromagnetic valves, and a spray rod nozzle. The electric control box comprises a frequency converter and a control cabinet circuit system, and the frequency converter is arranged between the power input end and the motor. The method has the disadvantages of needing high-power ultrahigh-pressure equipment, large energy consumption and high cost.

Therefore, an energy-saving and efficient sand and mud flusher is needed at present.

SUMMERY OF THE UTILITY MODEL

The invention aims at providing a crude oil sediment sand washing and sweeping device which comprises an interface flange seat, a fluid power device, a rotary speed reducer and a rotary sweeping nozzle, and can automatically wash and sweep oil sand at the bottom in a tank to float the settled sand, normally suck and pump out the tank, and remove the manual cleaning of the oil sand after the tank is stopped; meanwhile, the flushing and sweeping device depends on liquid flow, does not need electricity, is safe and reliable, and overcomes the defects of the existing device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a crude oil sediment silt flusher, which comprises an interface flange seat, a liquid flow power device, a rotary speed reducer and a rotary sweeping nozzle; the liquid flow power device is arranged in the interface flange seat, and the rotary speed reducing device is positioned below the interface flange seat and is connected with the liquid flow power device; the lower end surface of the rotary speed reducer is connected with a rotary sweeping nozzle.

Furthermore, the liquid flow power device consists of an impeller, an impeller shaft, a compensation rotating mechanical seal and a worm shaft; the impeller is positioned on the impeller shaft, and the impeller shaft is connected with the worm shaft; the shaft end of the impeller is provided with a compensation rotary mechanical seal.

Furthermore, the rotary speed reduction device consists of a worm wheel, a secondary worm shaft, a secondary worm wheel, a gear shaft, a reduction gear, a gear main sleeve body and a rotary seal; after the first-stage speed reduction of the worm wheel, the second-stage worm wheel is driven by the second-stage worm shaft to rotate so as to complete the second-stage speed reduction, the second-stage worm wheel drives the gear shaft, the gear shaft drives the gear main sleeve body to complete the third-stage speed reduction, the built-in sweeping nozzle is fixed on the gear main sleeve body, and the rotary speed reduction device is sealed by adopting rotary sealing.

Further, the impeller shaft intermeshes with both the worm shaft and the worm gear drive.

Further, the rotary sweeping nozzle comprises a rotary cavity and a built-in sweeping nozzle.

Furthermore, the built-in sweeping nozzle slowly rotates 360 degrees along with the rotating cavity to form a full-coverage spraying effect on the horizontal plane.

Compared with the prior art, the utility model discloses following beneficial effect has:

the crude oil sediment flushing device realizes the automatic flushing of the oil sand at the bottom in the tank to ensure that the settled sand floats and can be normally sucked out of the tank, and manual oil sand cleaning after the tank is stopped is avoided; in addition, the flushing device depends on liquid flow, does not need electricity, and is safe and reliable; the oil sand storage tank can be installed in the center of the storage tank, the DN350 can be installed in the storage tank from the tank top light hole in a miniaturized design to work, manual tank entering is avoided, the installation is simple and convenient, maintenance cost is not needed, the built-in design of the spray head overcomes the lever resistance of the external spray head in the rotation of the oil sand, and the problem of bottom sinking of the oil sand in the storage tank is solved.

Drawings

FIG. 1 is a schematic structural diagram of a crude oil sediment silt flusher according to embodiment 1 of the present invention;

FIG. 2 is a cross-sectional view of the crude oil sediment sand washer of example 1 of the present invention;

fig. 3 is a partial sectional view of the rotary speed reducer of the crude oil sediment sand washing and sweeping device in the embodiment 1 of the present invention.

The hydraulic power unit comprises a connector flange seat 1, a fluid power unit 2, a rotary speed reducer 3, a rotary sweeping nozzle 4, an impeller 2-1, an impeller shaft 2-2, a compensation rotary mechanical seal 2-3, a worm shaft 2-4, a worm wheel 3-1, a second-stage worm shaft 3-3, a second-stage worm wheel 3-4, a gear shaft 3-4, a speed reducer 3-5, a gear main sleeve 3-6, a rotary seal 3-7, a rotary cavity 4-1 and a sweeping nozzle 4-2.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of the stated features, steps, operations, and/or combinations thereof, unless the context clearly indicates otherwise.

In order to make the technical solutions of the present invention more clearly understood by those skilled in the art, the technical solutions of the present invention will be described in detail below with reference to specific embodiments.

Example 1

As shown in fig. 1, 2 and 3, the crude oil sediment sweeping device comprises an interface flange seat 1, a liquid flow power device 2, a rotary speed reduction device 3 and a rotary sweeping nozzle group 4; the liquid flow power device 2 is arranged in the interface flange seat 1, and the rotary speed reducing device 3 is positioned below the interface flange seat 1 and is connected with the liquid flow power device 2; the lower end surface of the rotating speed reducer 3 is connected with a rotating sweeping nozzle 4.

The liquid flow power device 2 consists of an impeller 2-1, an impeller shaft 2-2, a compensation rotating mechanical seal 2-3 and a worm shaft 2-4; the impeller 2-1 is positioned on the impeller shaft 2-2, the impeller shaft 2-2 is connected with the worm shaft 2-4, and the end of the impeller shaft 2-2 is provided with a compensation rotary mechanical seal 2-3.

The rotary speed reducing device 3 consists of a worm wheel 3-1, a secondary worm shaft 3-2, a secondary worm wheel 3-3, a gear shaft 3-4, a speed reducing gear 3-5, a gear main sleeve body 3-6 and a rotary seal 3-7. After the first-stage speed reduction of the worm wheel 3-1, the second-stage worm shaft 3-2 drives the second-stage worm wheel 3-3 to rotate to complete the second-stage speed reduction, the second-stage worm wheel 3-3 drives the gear shaft 3-4, the gear shaft 3-4 drives the gear main sleeve body 3-6 to complete the third-stage speed reduction, the built-in sweeping nozzle 4-2 is fixed on the gear main sleeve body 3-6, and the rotary speed reduction device 3 is sealed by adopting a rotary seal 3-7.

The impeller shaft 2-2 is meshed with the worm shaft 2-4 and the worm wheel 3-1 in a transmission way.

The rotary sweeping nozzle 4 comprises a rotary cavity 4-1 and a built-in sweeping nozzle 4-2.

The working principle of the crude oil sediment sweeping device is as follows:

the flange on the connecting interface flange seat 1 is connected with a circulating pump pipeline in a tank area, the liquid flow power device 2 collects the liquid flow speed in the pipeline as a power source to drive an impeller 2-1 to rotate, the rotating power is subjected to speed change steering through a worm gear and worm by the impeller shaft 2-2 to drive a worm gear 3-1, a secondary worm shaft 3-2 and a secondary worm gear 3-3 in the liquid flow power device 2, a gear shaft 3-4, a reduction gear 3-5 and a gear main sleeve body 3-6 to rotate in a three-level speed reduction manner, and at the moment, the liquid flows through a rotating sweeping nozzle 4 and then is ejected from a set built-in sweeping nozzle 4-2 at a high speed, so that the pressure energy in the pipeline is converted into jet flow speed energy. The built-in sweeping nozzle 4-2 slowly rotates 360 degrees along with the rotating cavity 4-1 to form a full-range covering spraying effect on a horizontal plane.

The rotary sweeping nozzle 4 rotates horizontally and slowly at 360 degrees when working, and keeps rotating at a uniform speed for 3-5 minutes/circle. The spraying distance of the built-in sweeping nozzle 4-2 reaches more than 15 meters.

The crude oil sediment sweeping device depends on liquid flow, does not need electricity, and is safe and reliable; the tank is arranged at the center of the storage tank, and can also be arranged in the storage tank from the tank top light-transmitting hole for working, so that manual tank feeding is avoided, the installation is simple and convenient, and the maintenance cost is not required; the problem of to the storage tank oil sand heavy end difficult problem is solved, realize that the automatic oil sand in bottom in the jar washes and sweeps and makes its sand setting float and flood ability normally to suck and take out the jar, removed the clear oil sand of personnel after stopping the jar from.

Furthermore, the built-in sweeping nozzle slowly rotates 360 degrees along with the rotating cavity to form a full-coverage spraying effect on the horizontal plane. The utility model discloses well spare part that does not expand the discussion itself, each spare part connected mode in this application all belong to this technical field's well-known technique, no longer give unnecessary details. Such as welding, threaded connections, etc.

In the present application, the term "plurality" means two or more unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

Claims (6)

1. The crude oil sediment silt flusher is characterized by comprising an interface flange seat, a liquid flow power device, a rotary speed reduction device and a rotary sweeping nozzle; the liquid flow power device is arranged in the interface flange seat, and the rotary speed reducing device is positioned below the interface flange seat and is connected with the liquid flow power device; the lower end surface of the rotary speed reducer is connected with a rotary sweeping nozzle.

2. The crude oil sediment silt flusher of claim 1, wherein the fluid power unit is composed of an impeller, an impeller shaft, a compensating rotary mechanical seal and a worm shaft; the impeller is positioned on the impeller shaft, and the impeller shaft is connected with the worm shaft; the shaft end of the impeller is provided with a compensation rotary mechanical seal.

3. The sand-washing and sweeping device for the crude oil sediment as claimed in claim 1, wherein the rotation reducing device is composed of a worm wheel, a secondary worm shaft, a secondary worm wheel, a gear shaft, a reduction gear, a main gear housing, and a rotary seal, wherein after the first reduction of the worm wheel, the secondary worm wheel is driven by the secondary worm shaft to rotate to complete the second reduction, the secondary worm wheel drives the gear shaft, the gear shaft drives the main gear housing to complete the third reduction, the built-in sweeping nozzle is fixed on the main gear housing, and the rotary reducing device is sealed by the rotary seal.

4. The crude oil sediment silt cleaner of claim 3 wherein the impeller shaft is intermeshed with a worm shaft and a worm gear drive.

5. The crude oil sediment silt flusher of claim 1, wherein the rotary sweeping nozzle comprises a rotary chamber and a built-in sweeping nozzle.

6. The crude oil sediment silt cleaner of claim 5, wherein the built-in sweeping nozzle slowly rotates 360 degrees along with the rotating cavity to form an all-directional covering spraying effect on a horizontal plane.

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