KR20210054278A - Cleaning Apparatus Of Gas Booster Rotor - Google Patents

Abstract

The present invention relates to a booster rotor cleaning device. According to the present invention, the booster rotor cleaning device comprises: a base plate; a cleaning solution storage tank having a cleaning solution storage space formed therein and coupled to the upper side of the base plate; a rotor cleaning unit which includes a lower housing having a pair of driving rollers rotating in a driving motor formed on one side, and including a pair of driven rollers formed on the surface opposite to the surface on which the driving rollers are formed, and is coupled to the upper side of the cleaning solution storage tank; and a cleaning solution supply pipe having a cleaning solution transfer pump formed on one side and having one end coupled to the cleaning solution storage tank and the other end coupled to a cleaning solution spray nozzle.

Description

Booster rotor cleaning device {Cleaning Apparatus Of Gas Booster Rotor}

The present invention relates to a booster rotor cleaning device.

In general, by-product gas generated in a steel mill operation plant includes a blast furnace gas produced by a blast furnace, a converter gas produced by a steelmaking process, and a coke gas produced by a coke manufacturing process.

1 is a schematic diagram showing a flow of by-product gas and a configuration of a booster in a steel mill, and FIGS. 2A and 2B are photographs of a booster rotor to which dust is fixed and a photograph during dust removal operation, respectively.

1 and 2, the by-product gas generated in the steel mill operation plant 10 is stored in the by-product gas holder 20 along the transfer pipe 11, and is raised to a constant pressure by the booster 30 for each use. It is supplied to the factory 40 and used as a main heat source.

However, since the by-product gas contains a large amount of impurities such as condensate, dust, and tar, it is a major factor that causes equipment failure by being fixed to the transfer pipe 11 or the booster 30.

In particular, when impurities are fixed to the rotor 31 rotating at high speed by the motor 33 of the booster 30, a rotational imbalance occurs, and the booster 30 is damaged due to the increase in vibration of the rotation shaft 32, thereby supplying by-product gas. This is not done smoothly, which leads to stoppage of operation and the like.

Conventionally, when an abnormality of the booster 30 occurs as described above, the operation of the booster 30 is stopped and the entire amount of toxic gas in the transfer pipe 11 is discharged, as shown in b of FIG. The foreign matter adhered to the rotor 31 was removed one by one with a jig tool.

In addition, as shown in FIG. 3, the booster 30 is disassembled and the rotor 31 is seated on the seating table 50, and then a manual operation for removing foreign matter is performed. There is a problem that there is a risk of a safety accident in the process of rotating the rotor 31 supported by the roller 51 and removing foreign substances.

In addition, since the manual operation for removing foreign substances stuck to the rotor 31 takes a long time, as well as the result varies depending on the skill of the operator, a cleaning device capable of effectively removing foreign substances stuck to the rotor 31 in a short time. There is an increasing need for development.

It is an object of the present invention to provide a booster rotor cleaning device capable of automatically removing foreign substances stuck to a booster rotor within a relatively short time.

The objects of the present invention are not limited to the above-mentioned objects, and other objects and advantages of the present invention that are not mentioned may be understood by the following description, and will be more clearly understood by the embodiments of the present invention.

In addition, it will be easily understood that the objects and advantages of the present invention can be realized by the means shown in the claims and combinations thereof.

In order to solve the above-described problems, the present invention provides a booster rotor cleaning device capable of automatically removing foreign substances stuck to the booster rotor within a relatively short time.

More specifically, in the booster rotor cleaning apparatus according to the present invention, a cleaning liquid storage tank is formed on one side of the base plate and a cleaning liquid storage space is formed therein, and a cleaning liquid storage tank coupled to the upper side of the base plate and a pair of driving rollers rotating on the driving motor are formed on one side. Including a lower housing including a pair of driven rollers formed on a surface facing the surface on which the driving roller is formed, and a plurality of cleaning liquid spray nozzles formed therein, and an upper housing attached to and detached from the lower housing. A rotor washing unit coupled to the upper side of the washing liquid storage tank and a washing liquid transfer pump is formed on one side, and a washing liquid supply pipe having one end coupled to the washing liquid storage tank and the other end coupled to the washing liquid spray nozzle.

In addition, the base plate may include at least two or more fork coupling portions formed on a bottom surface and horizontal adjustment portions formed at four corners, respectively.

In addition, the cleaning liquid storage tank may include a make-up water supply pipe formed on an upper surface and an open/closeable cleaning liquid storage tank inspection port.

In addition, the lower housing may further include a water level detection sensor capable of detecting the level of the cleaning liquid stored therein.

In addition, the rotor washing unit may further include a leveler installed on any one side.

In addition, the lower housing and the washing liquid storage tank are connected by a drain pipe including a drain pipe valve.

More preferably, a plurality of cleaning liquid spray nozzles are provided on both inner surfaces and upper inner surfaces of the upper housing to spray the cleaning liquid into the rotor washing unit.

In addition, the drive motor is capable of both forward and reverse rotation.

In addition, a cleaning liquid drain pipe is formed on one side of the cleaning liquid supply pipe.

In addition, the cleaning liquid supply pipe may further include a flexible hose formed on the upper housing side.

The booster rotor cleaning device according to the present invention automatically removes foreign matters stuck to the booster rotor within a relatively short time, thereby stably supplying by-product gas generated during the operation of the steel mill to the use plant.

In addition to the above-described effects, specific effects of the present invention will be described together with explanation of specific details for carrying out the present invention.

1 is a schematic diagram showing a flow of by-product gas and a configuration of a booster at a steel mill.
2A and 2B are photographs of the booster rotor to which dust is fixed and photographs in the process of removing dust.
3 is a photograph of an elevator rotor mounted on a seat for washing.
4 is a perspective view of a booster rotor cleaning apparatus according to an embodiment of the present invention.
5 is an exploded perspective view of a rotor cleaning unit in the booster rotor cleaning apparatus according to an embodiment of the present invention.
6 is a perspective view showing a combination of a drive motor and a drive roller in the booster rotor cleaning apparatus according to an embodiment of the present invention.
7 is a side view of a booster rotor cleaning apparatus according to an embodiment of the present invention.
8 is a front view of a rotor cleaning unit in the booster rotor cleaning apparatus according to an embodiment of the present invention.

The above-described objects, features, and advantages will be described later in detail with reference to the accompanying drawings, and accordingly, a person of ordinary skill in the art to which the present invention pertains will be able to easily implement the technical idea of the present invention. In describing the present invention, if it is determined that a detailed description of a known technology related to the present invention may unnecessarily obscure the subject matter of the present invention, a detailed description will be omitted. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numerals are used to indicate the same or similar elements.

Hereinafter, the "top (or bottom)" of the component or the "top (or bottom)" of the component means that an arbitrary component is arranged in contact with the top (or bottom) of the component. In addition, it may mean that other components may be interposed between the component and any component disposed on (or under) the component.

In addition, when a component is described as being "connected", "coupled" or "connected" to another component, the components may be directly connected or connected to each other, but other components are "interposed" between each component. It is to be understood that "or, each component may be "connected", "coupled" or "connected" through other components.

Singular expressions used in the present specification include plural expressions unless the context clearly indicates otherwise.

In the present application, terms such as “consisting of” or “comprising” should not be construed as necessarily including all of the various elements or various steps described in the specification, and some of the elements or some steps It may not be included, or it should be interpreted that it may further include additional components or steps.

Throughout the specification, when referred to as "A and/or B", it means A, B or A and B, unless otherwise specified, and when referred to as "C to D", it means that a special opposite description is Unless there is one, it means that it is C or more and D or less.

Hereinafter, a booster rotor cleaning apparatus according to some embodiments of the present invention will be described.

4 is a perspective view of a booster rotor cleaning apparatus according to an embodiment of the present invention.

And, Figure 5 is an exploded perspective view of the rotor receiving portion in the booster rotor cleaning apparatus according to an embodiment of the present invention.

4 and 5, the booster rotor cleaning apparatus according to the present invention includes a base plate 100, a cleaning liquid storage tank 200, a rotor cleaning part 300, and a cleaning liquid supply pipe 400.

The base plate 100 includes at least two fork coupling portions 110 formed on a bottom surface and four horizontal adjustment portions 120 formed on a square side, respectively.

The fork coupling part 110 may be formed in a pipe shape having a square cross section so that a fork of a forklift can be inserted, and more preferably, may be formed to be symmetrical to the center of the base plate 100.

In addition, the horizontal adjustment unit 120 includes a supporter 121 having a bolt tab formed on an outer circumferential surface thereof and a handle portion 122 formed at an upper side.

Accordingly, it is possible to adjust the base plate 100 to be horizontal with the ground by rotating the supporter 121 through the handle part 122.

The cleaning liquid storage tank 200 is formed in the shape of a rectangular parallelepiped as a whole, is fixedly coupled to the upper surface of the base plate 100, and the cleaning liquid is stored therein.

More specifically, the cleaning liquid storage tank 200 includes a make-up water supply pipe 210 and a cleaning liquid storage tank inspection port 220.

The make-up water supply pipe 210 is formed on the upper surface of the washing liquid storage tank 200, and may further include a valve.

In addition, the cleaning liquid storage tank inspection port 220 may be formed of a transparent material and may be formed on an upper surface or a side surface of the cleaning liquid storage tank 200 so that the inside of the cleaning liquid storage tank 200 can be viewed.

More preferably, the cleaning liquid storage tank inspection port 220 may be formed as a door that can be opened or closed.

On the other hand, the rotor washing unit 300 is formed of a lower housing 310 and an upper housing 320, and the rotor R is built-in to perform cleaning.

More specifically, the rotor cleaning unit 300 is formed such that the rotation shaft S of the rotor R protrudes from the center portion on both sides thereof, and the rotor R is positioned inside.

The lower housing 310 has a hopper shape at a lower side and an opening formed at an upper side, and is coupled to the upper side of the cleaning liquid storage tank 200 by four vertical frames 311 respectively formed at lower squares.

In addition, the lower housing 310 includes a driving motor 312 coupled to an upper central portion of one side and a pair of driving rollers 313 rotating by the driving motor 312 and the driving roller 313 It includes a pair of driven rollers 314 formed on the surface facing the surface.

In addition, a drain pipe 316 connected to the washing liquid storage tank 200 is further included in the center of the bottom of the lower housing 310.

More preferably, the drain pipe 316 is provided with a drain pipe valve 317.

In addition, the lower housing 310 may further include a water level detection sensor 315 on one side.

The upper housing 320 is coupled to the lower housing 310 by having an opening formed at the lower side.

In addition, the upper housing 320 includes a plurality of cleaning liquid spray nozzles 321 formed on both inner surfaces and upper inner surfaces, respectively, and a rotor washing unit inspection hole 322 formed on either side.

The rotor washing unit inspection hole 322 may be formed of a transparent material so that the inside of the rotor washing unit 300 can be viewed, or may be formed as a door capable of opening and closing.

In addition, the upper housing 320 may further include a leveler 323 coupled to one side.

In addition, coupling ribs and grooves are formed on surfaces where the upper housing 320 and the lower housing 310 are coupled to each other, so that they can be firmly coupled.

In addition, the upper housing 320 may be connected to the lower housing 310 by a hinge to allow opening and closing.

Meanwhile, the cleaning liquid supply pipe 400 has one end coupled to the cleaning liquid storage tank 200 and the other end coupled to the cleaning liquid spray nozzle 321.

More preferably, the cleaning liquid supply pipe 400 may be formed as a plurality of branch pipes at a side coupled to the plurality of cleaning liquid spray nozzles 321.

In addition, a cleaning liquid transfer pump 410 that provides a predetermined pressure to the cleaning liquid supply pipe 400 to spray the cleaning liquid stored in the cleaning liquid storage tank 200 to the cleaning liquid spray nozzle 321 through the cleaning liquid supply pipe 400. ).

In addition, the cleaning liquid supply pipe 400 further includes a flexible hose 420 for preventing the cleaning liquid supply pipe 400 from being damaged when the upper housing 320 is separated from the lower housing 310. I can.

In addition, the cleaning liquid supply pipe 400 may further include a cleaning liquid drain pipe 430 at one side.

In addition, the cleaning liquid supply pipe 400 may further include a valve that is coupled to the predetermined interval or branched section to control the transfer of the cleaning liquid.

Meanwhile, FIG. 6 is a perspective view showing a combination of a driving motor and a driving roller in the booster rotor cleaning apparatus according to an embodiment of the present invention.

Referring to FIG. 6, the driving roller 313 has a roller gear 313a formed on one side thereof and rotates by meshing with a motor gear 312a fixedly coupled to a rotation shaft of the driving motor 312.

More preferably, two driving rollers 313 are provided so as to be symmetrical to a vertical line passing through the center of the rotation axis of the driving motor 312.

In addition, the driven roller 314 rotates along the rotation axis S of the rotor R rotated by the driving roller 313 and is formed to be symmetrical with the driving roller 313.

Accordingly, both sides of the rotation shaft S of the rotor R are supported on the upper side of the pair of driving rollers 313 and driven rollers 314, and when the driving motor 312 is operated, the rotor R cleans the rotor. It rotates inside the unit 300.

7 is a side view of a booster rotor cleaning apparatus according to an embodiment of the present invention.

In addition, FIG. 8 is a front view of a rotor cleaning unit in the booster rotor cleaning apparatus according to an embodiment of the present invention.

The operation method of the booster rotor cleaning apparatus according to the present invention will be described with reference to FIGS. 7 and 8 as follows.

The booster rotor cleaning device according to the present invention is moved using a forklift or the like, and is adjusted to be level with the ground of the place where the cleaning operation is performed through the horizontal adjustment unit 120.

Thereafter, the upper housing 320 is separated from the lower housing 310 by a hoist or the like, and then the rotor R to which foreign substances are fixed is mounted on the lower housing 310.

More specifically, both sides of the rotation shaft S of the rotor R are supported above the driving roller 313 and the driven roller 314, respectively, so that the lower side of the rotor R is located inside the lower housing 310.

Accordingly, the rotor R is seated on the lower housing 310 so that the rotation shaft S is horizontal with the ground, so that the rotor R may be prevented from tilting to any one side when rotating.

Thereafter, after the upper housing 320 is coupled to the lower housing 310, the cleaning liquid transfer pump 410 and the driving motor 312 are operated, respectively.

The cleaning liquid stored in the cleaning liquid storage tank 200 by the cleaning liquid transfer pump 410 is supplied to the cleaning liquid injection nozzle 321 through the cleaning liquid supply pipe 400.

The rotor R built in the rotor washing unit 300 is rotated by the driving roller 313 and cleaned by the cleaning liquid sprayed from the cleaning liquid spraying nozzle 321 at the same time.

More specifically, the cleaning liquid spraying nozzles 321 are provided on both sides and upper sides of the rotor R to spray the cleaning liquid to wash the rotor R.

At this time, it is preferable that the drive motor 312 rotates the rotor R at a speed of 15 to 25 RPM for smooth cleaning.

When such a cleaning operation is performed for a certain period of time, the cleaning liquid sprayed through the cleaning liquid spraying nozzle 321 is collected in the lower housing 310, so that a part of the rotor R is immersed in the cleaning liquid. The cleaning liquid can be evenly applied.

In addition, the drain pipe valve 317 is opened according to the amount of the cleaning liquid stored in the lower housing 310 by the water level detection sensor 315, and the cleaning liquid is discharged to the cleaning liquid storage tank 200 through the drain pipe 316. As a result, the level of the cleaning liquid stored in the lower housing 310 can be adjusted.

In addition, since the drive motor 312 is capable of forward and reverse rotation, the rotor R is rotated forward and reverse at regular time intervals while washing is performed by the cleaning liquid spray nozzle 321 as described above. It can be done.

In this case, the operation control of the booster rotor cleaning device may be automatically controlled by a PLC (Power Line Communication) program, or may be manually controlled.

In addition, the booster rotor washing apparatus according to the present invention may include a control unit for such control outside the washing liquid storage tank 200 or the rotor washing unit 300, or may be externally formed by a separate remote control or the like.

As described above, when the cleaning of the rotor R is completed, the operation of the driving motor 312 and the cleaning liquid transfer pump 410 is stopped, and all cleaning liquids stored in the lower housing 141 flow through the drain pipe 316. It is transferred to the washing liquid storage tank 200 through.

In addition, after the upper housing 320 is separated from the lower housing 310 by a hoist or the like, the washed rotor R is separated from the lower housing 310.

Accordingly, the booster rotor cleaning apparatus according to the present invention automatically removes foreign matters stuck to the booster rotor within a relatively short time, thereby stably supplying by-product gas generated during the operation of the steel mill to the plant in use.

On the other hand, it is connected to a separate cleaning liquid storage tank (not shown) to the cleaning liquid drain pipe 440 and operates the cleaning liquid transfer pump 410 to discharge the cleaning liquid stored in the cleaning liquid storage tank 200.

In addition, the cleaning liquid storage tank 200 may be opened to discharge the cleaning liquid stored in the cleaning liquid storage tank 200 to the outside by using a hand pump or the like.

When all the cleaning liquid is discharged to the outside of the cleaning liquid storage tank 200, purified water is supplied to the cleaning liquid storage tank 200 through the make-up water supply pipe 210, and the cleaning liquid transfer pump 410 is operated. The cleaning liquid remaining in the cleaning liquid supply pipe 400 and the rotor cleaning unit 300 may be removed.

As described above with reference to the drawings illustrated for the present invention, the present invention is not limited by the embodiments and drawings disclosed in the present specification, and various by a person skilled in the art within the scope of the technical idea of the present invention. It is obvious that transformations can be made. In addition, even if not explicitly described and described the effects of the configuration of the present invention while describing the embodiments of the present invention, it is natural that the predictable effects of the configuration should also be recognized.

R. rotor
S. Rotary shaft
100. Base plate
110. Fork coupling
120. Leveling unit
121. Supporter
122. Handle
200. Cleaning liquid storage tank
210. Make-up water supply pipe
220. Cleaning liquid storage tank inspection port
300. Rotor cleaning unit
310. Lower housing
311. Vertical frame
312. Driving motor
313. Drive roller
314. Driven roller
315. Water level detection sensor
316. Drain pipe
317. Drain valve
320. Upper housing
321. Cleaning liquid spray nozzle
322. Rotor cleaning part inspection hole
323. Level
400. Cleaning liquid supply pipe
410. Cleaning liquid transfer pump
420. Flexible Hose
430. Washing liquid drain piping

Claims (10)

Base plate;
A cleaning liquid storage tank having a cleaning liquid storage space formed therein and coupled to the upper side of the base plate;
A lower housing including a pair of driven rollers having a pair of driving rollers rotating on a driving motor on one side and a pair of driven rollers formed on a surface facing the surface on which the driving roller is formed, and a plurality of cleaning liquid spray nozzles formed therein A rotor washing unit coupled to an upper side of the washing liquid storage tank including an upper housing detachable and attached to the lower housing including wool; And
A booster rotor washing apparatus comprising: a cleaning liquid transfer pump formed on one side, a cleaning liquid supply pipe having one end coupled to the cleaning liquid storage tank and the other end coupled to the cleaning liquid spray nozzle.
The method of claim 1,
The base plate is a booster rotor washing apparatus comprising at least two or more fork coupling portions formed on a bottom surface and a horizontal adjustment portion formed at each of the four corners.
The method of claim 1,
The washing liquid storage tank is a booster rotor washing apparatus comprising a make-up water supply pipe formed on an upper surface and an open/closeable cleaning liquid storage tank inspection port.
The method of claim 1,
The lower housing is a booster rotor cleaning apparatus further comprising a water level detection sensor capable of detecting the level of the cleaning liquid stored therein.
The method of claim 1,
The booster rotor washing apparatus further comprises a leveler installed on one side of the rotor washing unit.
The method of claim 1,
The booster rotor cleaning device is connected to the lower housing and the cleaning liquid storage tank by a drain pipe including a drain pipe valve.
The method of claim 1,
The booster rotor washing apparatus is provided with a plurality of washing liquid spray nozzles on both inner surfaces and upper inner surfaces of the upper housing to inject the washing liquid into the rotor washing unit.
The method of claim 1,
The drive motor is a booster rotor cleaning device capable of both forward and reverse rotation.
The method of claim 1,
A booster rotor cleaning device in which a cleaning liquid drain pipe is formed on one side of the cleaning liquid supply pipe.
The method of claim 1,
The booster rotor cleaning device further comprises a flexible hose formed on the upper housing side of the cleaning liquid supply pipe.

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