KR200219240Y1 - Rotary jet device of cargo oil tank - Google Patents

Abstract

The present invention is a rotary type injection device of a fluid storage tank sucks the crude oil stored in the crude oil storage tank with a circulation pump, and the discharged oil discharged at high pressure is injected through the injection nozzle and the rotating body rotates itself by 360 degrees. Does not accumulate on the bottom surface, and the spraying area is large to increase the mixing efficiency. In addition, a plurality of injectors are installed in close proximity to the tank inner wall, and the fluid which prevents the coating applied to the inner wall of the tank from being damaged by the injection oil injected at high pressure by blocking the inner passage of the injector with a predetermined width with a blocking plate. It relates to a rotary injector of a storage tank.

Description

ROTARY JET DEVICE OF CARGO OIL TANK

The present invention relates to a rotary injector of a fluid storage tank, and more particularly, a fluid supplying a fluid stored in a crude oil storage tank to a circulation pump, and rotating the high pressure while rotating itself to prevent sludge from accumulating on the bottom surface. It relates to a rotary injector of a storage tank.

When crude oil is introduced through a crude oil transport ship, residues such as rust, scale, mud, and sand from the cargo oil tank are introduced together, and the crude oil stored in the storage tank of the petrochemical plant is mainly included. Organic components such as asphalt, tar and wax among the components are deposited on the tank bottom during the crude oil storage period to form sludge (hereinafter referred to as 'sludge') which is a very high viscosity precipitate. Once formed, the sludge layer is very difficult to remove unless it adheres to the bottom of the tank and is continuously accumulated and dissolves by pulverization or chemical methods in a physical manner. In addition, the sludge is worth 80 to 90% of the oil and wax as an active ingredient.

In order to prevent the accumulation of sludge as described above, one or more nozzles such as pipes are usually installed on the inner surface of the storage tank, and continuously connected by pumps and pipes installed outside, or a plurality of blades are combined. Was installed inside the tank and mixed to prevent sludge from accumulating in the tank.

However, this conventional technique not only decreases the spraying area and reduces the mixing efficiency by uniformly spraying in one direction from a fixed position, but also has a large economic loss due to the installation cost and operation of installing a plurality of spray nozzles or screws. A problem is expected.

In addition, there is a risk of explosion due to the accumulation of flammable gas in the tank, it is impossible to use electricity and external energy.

The present invention is to overcome the above-mentioned problems, the object of the present invention is to suck the same crude oil stored in the storage tank in the circulation pump and discharged at high pressure discharged through the injection nozzle and at the same time the rotating force of the impeller It is to provide a rotary injector of a fluid storage tank in which the spraying area is widened and the mixing efficiency is increased by rotating the rotating body 360 degrees at a low speed through this reduction device.

Another object of the present invention is a plurality of injectors are installed in close proximity to the tank inner wall, the coating agent applied to the tank inner wall damaged by the injection oil injected at high pressure by blocking the inner passage of the injector to a predetermined width with a blocking plate It is to provide a rotary injector of the fluid storage tank to prevent.

In order to achieve the above object, the present invention protrudes upward in the shape of a cone in the center of the inner body 24 connected by the lower end of the fixed body 20 and the plurality of supports 28 to form a curved outer circumferential surface. 26 is formed, the impeller 38 is coupled to the upper portion of the drive shaft 42 installed through the inner body 24 is installed inside the tubular body 68, the lower end of the inner body 20 A reduction gear 40 having a plurality of gears and shafts coupled thereto is engaged with the worm gear 44 formed at the lower end of the drive shaft 42, and the bottom plate 32 is coupled to the lower end, and the inner body 24 therein. And an internal gear 64 coupled with a lower inner surface of the rotating body 30 to receive the reduction device 40 in an internal contact with the gear 62 of the reduction device 40, and a rotating plate fastened to the upper surface. 36 is assembled with the fixed body 20, the lower end and the inner body of the fixed body 20 24 between, the blocking plate 70 blocks the injection passage is characterized to be installed in the 120-degree and 180-degree intervals.

1 is a schematic view showing a rotary injector of a fluid storage tank according to a first embodiment of the present invention.

Figure 2 is a cross-sectional view of the center of the rotary injector according to a preferred embodiment of the present invention.

3 is a plan view taken along the line A-A of FIG.

Figure 4 is a plan view showing an installation state of the rotary injector of the fluid storage tank according to another embodiment of the present invention.

Figure 5 is a cross-sectional view of the center of the rotatable injection device is blocked on one side according to another embodiment of the present invention.

FIG. 6 is a plan view taken along the line BB of FIG. 5. FIG.

<Explanation of symbols for main parts of the drawings>

10: injector 20: fixed body

22: fastening portion 24: the inner body

30: rotating body 32: base plate

34: injection nozzle 36: rotating plate

38: impeller 40: reduction gear

42: drive shaft 44: worm gear

62: gear 64: internal gear

66: housing 68: tubular body

100: storage tank 102: circulation pump

110: crude oil

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, in describing the present invention, if a detailed description of a related known function or configuration may obscure the subject matter of the present invention, the detailed description thereof will be omitted.

1 is a front view schematically showing a rotary injector of a fluid storage tank according to a first embodiment of the present invention. Referring to FIG. 1, in the present invention, a circulation pump 102 for sucking crude oil through an inlet pipe 104 connected to an inside of a tank is installed at one side of a storage tank 100, and a discharge part of the circulation pump 102 is installed. It is connected to the supply pipe 106 is connected to the storage tank 100 inside the other side of the supply pipe 106 is bent downward, the injection device 10 is installed at the end.

Figure 2 is a cross-sectional view of the center of the rotary injector of the fluid storage tank according to a preferred embodiment of the present invention, Figure 3 is a plan view cut along the line AA of Figure 2; 2 and 3, the fastening portion 22 is formed on the upper portion of the fixed body 20 is fastened to the supply pipe 106, the tube 68 of the hollow tube in the inner central portion of the plurality of arms ( Arm is supported and installed. The inner body 24 installed in the lower portion of the fixed body 20 is narrowed toward the upper portion in the center to smoothly induce the flow of crude oil on the upper portion is protruded upwardly and the conical protrusions 26 having an outer circumferential surface are formed. . The inner body 24 is a plurality of support 28 formed of a rectangular plate and the lower end of the fixed body 20, as shown in Figure 6, is arranged radially connected and fixed. The drive shaft 42 penetrating the center of the inner body 24 is installed to the upper / lower of the inner body 24 is coupled to the bushing to facilitate the rotation is installed to protrude to the upper / lower.

The impeller 38, which is rotated by the crude oil which is formed by forming a plurality of inclined streamlined grooves on the outer circumferential surface thereof, is combined with the upper portion of the driving shaft 42 to be inside the tubular body 68 installed in the fixed body 20. Is installed. The housing 66 of the reduction device 40 is fastened to the bottom surface of the inner body 24.

A worm gear 44 is formed below the drive shaft 42 and the end is supported by the support 74. The first driven shaft 46, the second driven shaft 52, and the third driven shaft 58 are supported by bearings so as to smoothly rotate both ends thereof, and are coupled to the housing 66, as shown in FIG. As described above, the worm wheel 48 is coupled to the front of the first driven shaft 46 and the worm gear 50 is formed at the rear thereof, and the second driven shaft 52 installed perpendicularly to the first driven shaft 46. On the worm wheel 54 is coupled to one side and the worm gear 56 is formed on the other side. The worm wheel 60 and the gear 62 are installed up and down on the third driven shaft 58 installed perpendicular to the second driven shaft 52, respectively. In addition, the worm wheel 48 is engaged with the worm gear 44, the worm gear 50 is engaged with the worm wheel 54, and the worm gear 56 is engaged with the worm wheel 60.

Rotating body 30 is formed of a hollow tube, the bottom plate 32 is coupled to the lower end is opened and the upper portion is formed therein, the upper and lower inner peripheral surface of the injection nozzle 34 is formed with a friction and An O-ring (O-Ring) to prevent leakage is inserted into the inner body 24 is inserted, and accommodates the reduction device 40 therein. An opening is formed at one side or both sides of an upper portion of the rotating body 30, and a protrusion is formed at an outside of the opening so that the injection nozzle 34 is coupled. The injection nozzle 34 increases the flow rate of injection by forming a narrower outlet toward the outside. An internal gear 64 that is in contact with and engages with the gear 62 of the reduction device 40 is installed on the lower inner surface of the rotating body 30.

The rotating plate 36 is fastened to an upper end of the rotating body 30, the rotating plate 36 is assembled with the fixed body 20, and a friction ring is inserted into an inner lower end of the rotating plate 36 to prevent rotational friction. do. A support bar 72 is installed at a lower center of the housing 66, and a lower end of the support bar 72 is coupled to an upper center of the bottom plate 32 to maintain a rotation center of the rotation body 30.

By the above configuration, the rotary injector of the fluid storage tank according to the present invention operates as follows. Crude oil (hereinafter referred to as 'spray oil') discharged at high speed through the supply pipe 106 is introduced into the fixed body 20 and is injected at high speed through the injection nozzle 34 along the inner body 24. . Then, when the injection oil flowing into the tube 68 rotates the impeller 38, the drive shaft 42 rotates, the worm gear 44 rotates the worm wheel 48, the worm gear 50 is the worm gear 54 ), And the worm gear 56 rotates the worm wheel 60. Subsequently, when the gear 62 rotates the internal gear 64, the rotating plate 36, the injection nozzle 34, and the rotating body 30 rotate at a low speed.

By circulating the crude oil stored as described above, the injection oil is sprayed at high pressure, rotated 360 degrees at a low speed, and the crude oil at the bottom is mixed to prevent sludge from accumulating.

Figure 4 is a plan view showing an installation state of the rotary injector of the fluid storage tank according to another embodiment of the present invention. Referring to FIG. 6, when the diameter of the storage tank 100 is enlarged so that the injection distance does not reach the total area, one or more plurality of injectors 10 are disposed in the tank so that the injection area of the injector 10 overlaps. ), It should be installed close to the tank inner wall and connected to the pipe used.

FIG. 5 is a cross-sectional view of a central portion of a rotatable injector in which one side is blocked according to another embodiment of the present invention, and FIG. 6 is a plan view taken along the line BB of FIG. 5. As shown in Figure 4 and 5, the inner passage of the injector 10, the blocking plate 70 for connecting the lower end of the fixed body 20 and the inner body 24 vertically 120 degrees to 180 degrees section Is installed across. When both injection nozzles 34 of the injection device 10 rotate while injecting injection oil, and reach a section close to the tank inner wall, that is, when the injection passage is blocked, the injection nozzle 34 of one side The injection hole is blocked by the blocking plate 70, and the injection oil is injected to only one nozzle to the other side, and the injection distance is also increased.

As described above, the rotary injector of the fluid storage tank according to the present invention has an effect that can be injected while rotating itself without using external energy.

In addition, the present invention is that when the injection device is installed in close proximity to the tank inner wall, the coating passage to prevent corrosion of the tank inner wall is damaged by the injection oil is injected at a high pressure by blocking the passage passage of a certain section adjacent to the inner wall. It is effective to prevent.

The present invention has the advantage of increasing the storage efficiency and accurate capacity measurement by maintaining a constant storage capacity in the tank.

In addition, the present invention has the advantage that the maintenance, repair and cleaning costs are reduced by preventing corrosion of the tank bottom.

Claims (4)

One side of the storage tank 100 for storing the fluid 110 is provided with a circulation pump 102 connected with a suction pipe 104 for sucking fluid and a supply pipe 106 for discharging the sucked fluid at a high pressure by one side being bent downward. Rotating body 30 having the injection nozzles 34 installed on both upper sides thereof is rotatably coupled to the fixed body 20, and an upper end of the fixed body 20 is connected to an end of the supply pipe 106. In the rotary injector device for rotating the rotating body 30 and the injection nozzle 34 to mix the sludge (112) accumulated on the bottom surface by injecting a high-pressure fluid with the crude oil; The injection device 10, A lower portion of the fixed body 20 and a central portion of the inner body 24 connected by the plurality of supports 28 are protruded upward in a cone shape to form a protrusion 26 whose outer circumferential surface is curved; An impeller 38 is coupled to an upper portion of the drive shaft 42 installed through the inner body 24 and installed inside the tubular body 68; The lower end of the inner body 20 is engaged with the worm gear 44 formed in the lower end of the drive shaft 42, the reduction device 40 is a combination of a plurality of gears and shafts; The lower plate 32 is coupled to the lower end, and the internal gear 64 coupled with the lower inner surface of the rotating body 30 for receiving the inner body 24 and the reduction device 40 therein is the reduction device 40. Rotating injector of the fluid storage tank, characterized in that the inner plate is engaged with the gear 62, and the rotating plate 36 fastened to the upper surface is assembled with the fixed body 20. The method of claim 1; The reduction device 40 is The first driven shaft 46, the second driven shaft 52, and the third driven shaft 58 cross each other and are installed inside the housing 66; A worm wheel 48 is installed at the front of the first driven shaft 46 to mesh with the worm gear 44, and a worm gear 50 is formed at the rear thereof so that a worm wheel is installed at one side of the second driven shaft 52. 54 is engaged, the worm gear 56 formed on the other side of the second driven shaft 52 is engaged with the upper portion of the third driven shaft 58 and the worm wheel 60 is installed, the lower driven shaft Rotating injector of a fluid storage tank, characterized in that the gear 62 is engaged with the internal gear (64). The method of claim 1; Between the lower end of the fixed body 20 and the inner body 24, a blocking plate 70 for blocking the injection passage is installed in the 120 to 180 degrees section of the rotary injector of the fluid storage tank. The method of claim 2; A support rod (72) is installed at the lower portion of the housing (66), and the lower end of the support rod (72) is a rotary injection device of a fluid storage tank, characterized in that coupled to the upper portion of the bottom plate (32).