KR101693236B1 - Mud mixing nozzle - Google Patents

Mud mixing nozzle Download PDF

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Publication number
KR101693236B1
KR101693236B1 KR1020150087480A KR20150087480A KR101693236B1 KR 101693236 B1 KR101693236 B1 KR 101693236B1 KR 1020150087480 A KR1020150087480 A KR 1020150087480A KR 20150087480 A KR20150087480 A KR 20150087480A KR 101693236 B1 KR101693236 B1 KR 101693236B1
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South Korea
Prior art keywords
injection
hole
drilling water
nozzle
injection nozzle
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KR1020150087480A
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Korean (ko)
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KR20160149807A (en
Inventor
윤자문
임혁진
박경석
이창헌
서진호
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삼성중공업 주식회사
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/06Arrangements for treating drilling fluids outside the borehole
    • E21B21/062Arrangements for treating drilling fluids outside the borehole by mixing components
    • B01F5/0057
    • B01F5/0231
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B35/4413Floating drilling platforms, e.g. carrying water-oil separating devices
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/727Offshore wind turbines

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Nozzles (AREA)

Abstract

A mud mixing nozzle is disclosed. The mud mixing nozzle comprises: a venturi portion having therein a flow path through which the mud powder discharged from the mud mixing hopper flows and is moved; an injection nozzle for spraying the drilling water from the side of the venturi portion into the flow passage; And a rotating body rotatably installed in the injection nozzle so that the drilling water is sprayed into the passage while forming a vortex.

Description

MUD MIXING NOZZLE

The present invention relates to a mud mixing nozzle for smoothly mixing a mud powder and a drilling water for producing a mud.

In general, a drill requires a mud to perform a drilling operation. The role of the mud can be to lower the heat of the drill bit or to transfer the stones cut by the drill bit to the drill bit using the viscosity of the mud. Thus, stones cut into small particles can be transported by a drill bit and used to reproduce the mud.

On the other hand, the drilling line stores the mud powder for the production of the mud. Such a mud powder can be made into a mud by mixing with a drilling water when a mud is required.

This mud powder is transferred to a surge tank and then to a mixing hopper located at the bottom of the surge tank.

The mud powder transferred to the mixing hopper is mixed with the drilling water and the mud powder in the venturi section provided at the lower part of the mixing hopper to produce the mud.

As described above, the mud is produced by mixing the mud powder and the drilling water sprayed at high pressure in the venturi, and the quality of the mud can be determined by smooth mixing of the mud powder and the drilling water.

However, when the mud powder is introduced into the bulge portion in a bent state, the drilling water and the mud powder are not effectively mixed, thereby deteriorating the quality of the mud production.

An object of the present invention is to provide a mud mixing nozzle in which mixing of a mud powder and a drilling water is stably performed in a mixing process of a mud powder and a drilling water.

In an embodiment of the present invention, there is provided a mud mixing hopper comprising: a venturi part having a movement flow path therein in which a mud powder discharged from a mud mixing hopper is introduced and moved; an injection nozzle for spraying drilling water from a side of the venturi part, And a rotating body rotatably installed in the spray nozzle by the spray pressure so that the drilling water is sprayed into the passage while forming a vortex.

The rotating body may include a support bar provided on the injection nozzle, and a windmill rotatably mounted on the end of the injection nozzle while being supported by the support bar and having a plurality of rotating blades.

The support bar may include a first support bar that is installed radially inside the injection nozzle, and a second support bar that extends from the end of the first support bar toward the opening of the injection nozzle and in which the windmill is rotatably installed.

The windmill may include a rotating plate rotatably mounted on the second supporting bar, and a rotating blade radially installed on the rotating plate.

The rotating body includes a rotating body rotatably installed inside the spraying nozzle and having a spray hole penetrating the spraying nozzle in the direction of the opening of the spraying nozzle to spray the drilling water and a rotating body formed around the outer surface of the rotating body, And the like.

The rotating body may include a cylindrical round body rotatably installed at an end of the injection nozzle and an injection plate formed at the outlet side of the injection nozzle in the round body and formed with an injection hole.

A plurality of aberration blades may be formed on the side surface of the round body, the drilling water being in contact with the outer circumferential surface.

An insertion groove may be formed along the circumference of the inner wall surface of the injection nozzle.

A rotation protrusion inserted into the insertion groove and rotated together with the rotation of the rotation body may protrude from the side surface of the round body.

The injection hole may be formed radially with respect to the center of the injection plate.

The injection hole may include a main hole radially formed around the injection plate and a branch hole branched to an opened side of the main hole.

The injection hole may be tapered so as to be expanded in the direction of the outlet of the injection nozzle.

The inside of the injection nozzle may be formed with a rounded spacing portion spaced from the inner wall surface of the injection nozzle and formed with an insertion hole.

The separating portion may be formed with an inlet portion through which the drilling water flowing into the inside wall surface of the injection nozzle flows in the direction of the round body, and a drain portion which is opened to drain the drilling water.

The inflow portion may be a plurality of slits communicating with the insertion holes to supply the drilling water in the round body direction.

The drain portion may be a drain hole formed at a lower portion of the injection nozzle and through which the drilling water introduced into the inlet portion is discharged.

The rotary body may be provided with a rotating blade in the direction of the jet hole on the outlet side of the jetting nozzle.

The inlet groove may be formed along the circumference of the inner wall surface of the injection nozzle.

A round protrusion may be formed on the side surface of the round body to be inserted into the lead groove and rotated together with the rotation of the rotating body.

A plurality of protruding blades may protrude from the rotary blade about the injection hole.

The injection hole may be formed in a circular or radial shape.

The injection hole may include a main hole radially opened on the rotating blade and a branch hole branching to the side of the main hole.

According to an embodiment of the present invention, in the manufacturing process of the mud, the drilling water sprayed on the mud powder is sprayed while forming a vortex, so that the mud powder and the drilling water can be mixed smoothly. Thus, it is possible to improve the quality of mud making.

1 is a side view schematically showing a state in which a mud mixing nozzle according to a first embodiment of the present invention is installed.
FIG. 2 is a cross-sectional view of a main part schematically showing a state in which a rotating body of a mud mixing rotary nozzle according to the first embodiment of the present invention is installed;
Fig. 3 is a side view schematically showing a state in which the wind mill of the rotating body of Fig. 2 is installed.
FIG. 4 is a perspective view schematically showing a state in which a rotating body of the mud mixing nozzle of FIG. 2 is installed. FIG.
FIG. 5 is a cross-sectional view of a main part schematically showing a state in which a rotating body of a mud mixing rotary nozzle according to a second embodiment of the present invention is installed.
FIG. 6 is a perspective view schematically showing a rotating body of the mud mixing rotary nozzle of FIG. 5; FIG.
FIG. 7 is a side view schematically showing a state in which the injection hole is opened in the rotating body of FIG. 6;
8 is a cross-sectional view taken along the line VIII-VIII in FIG.
FIG. 9 is a side view schematically showing another embodiment of the injection hole of FIG. 7; FIG.
Fig. 10 is a side view schematically showing another embodiment of the injection hole of Fig. 7; Fig.
Fig. 11 is a cross-sectional view of the main part schematically showing a separation portion where the rotating body of Fig. 5 is installed. Fig.
12 is a cross-sectional view of a main part schematically showing a state in which a rotating body is installed on a mud mixing nozzle according to a third embodiment of the present invention.
13 is a perspective view schematically showing the rotating body of Fig.
FIG. 14 is a side view schematically showing a state in which the rotating blades are installed in the rotating body of FIG. 13; FIG.
Fig. 15 is a side view schematically showing another embodiment of the injection hole of Fig. 14; Fig.
Fig. 16 is a side view schematically showing another embodiment of the injection hole of Fig. 14; Fig.
17 is a perspective view of the main part of Fig.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

FIG. 1 is a side view schematically showing a state where a mud mixing nozzle according to the first embodiment of the present invention is installed. FIG. 2 is a schematic view showing a state in which a rotating body of the mud mixing rotary nozzle according to the first embodiment of the present invention is installed Fig.

1 and 2, the mud mixing rotary nozzle 100 according to the first embodiment of the present invention includes a moving passage 15a through which the mud powder discharged from the mud mixing hopper 11 flows, A spray nozzle 10 for spraying a drilling water 15b into a flow path 15a from the side of the ventilator 15 and a spray nozzle 15 for spraying the spray water 15b on the side of the ventilator 15 by the spray pressure of the drilling water 15b And a rotating body 20 rotatably installed in the injection nozzle 10 so that the drilling water 15b is sprayed into the movement passage 15a while forming a vortex.

The mud mixing hopper 11 refers to a portion into which a mud powder 11a is inserted for manufacturing a mud used for a drilling operation in a drill ship. In other words, the role of the mud is to lower the heat of the drill bit or to transfer the stones cut by the drill bit to the drill bit using the viscosity of the mud.

In order to produce such a mud, the mud powder is stored in advance in the drilling rig. Then, when the mud is required, the mud is prepared by mixing the mud powder and the drilling water.

The mud powder 11a is fed to a surge tank 13 and is introduced into a mud mixing hopper 11 located at a lower portion of a surge tank. As described above, the mud powder 11a is discharged into the ventilator 15 in a state of being fed into the mud mixing hopper 11, and mixed with the drilling water 15b to be made into a mud.

The ventilator 15 is installed at a lower portion of the mud mixing hopper 11 and has a passage 15a formed therein to mix the mud powder 11a and the drilling water 15b. In this bent portion 15, a spray nozzle 10 for spraying the drilling water 15b is provided.

The injection nozzle 10 can be installed to spray the drilling water 15b in a direction crossing the direction in which the mud powder 11a falls from the lower part of the mud mixing hopper 11. [ The injection nozzle 10 has an opening 10a opened in the direction of the movement passage 15a. The opening 10a may be provided with a rotating body 20 for spraying the drilling water 15b.

The rotating body 20 is rotatably installed in the opening 10a of the injection nozzle 10 so that the rotating body 20 can be installed to discharge while forming a vortex in the process of discharging the drilling water 15b.

FIG. 3 is a side view schematically showing a state where the wind mill of FIG. 2 is installed, and FIG. 4 is a main part perspective view schematically showing a state where a rotating body of the mud mixing nozzle of FIG. 2 is installed.

3 and 4, the rotating body 20 includes a support base 21 provided inside the injection nozzle 10 and a support base 21 supported by the support base 21 so as to be positioned at the end of the injection nozzle 10 And a wind mill 23 installed to be rotatable and provided with a plurality of rotating blades 23b.

The support base 21 has a first support bar 21a provided inside the injection nozzle 10 and a second support bar 21b extending in the direction of the opening 10a of the injection nozzle 10 at the end of the first support bar 21a, And a second support bar 21b which is rotatably installed.

One end of the first support bar 21a may be fixed to the inside of the injection nozzle 10 and the other end may extend in the radial direction of the injection nozzle 10. [ A second support bar 21b is provided at an end of the first support bar 21a.

The second support bar 21b may extend in the direction of the opening 10a of the injection nozzle 10 while being connected to the end of the first support bar 21a. The second support bar 21b may be bent in a state of being integrally connected to the first support bar 21a and may be connected to the first support bar 21a by welding or the like. A windmill 23 may be rotatably installed at the end of the second support bar 21b.

3, the windmill 23 is rotatably installed at an end of the second support bar 21b. The mud powder 11a passes through the spray nozzle 10 during the process of passing the mud powder 11a 11a. ≪ / RTI >

The windmill 23 may include a rotation plate 23a rotatably installed on the second support bar 21b and a rotation blade 23b radially installed on the rotation plate 23a.

The rotation plate 23a may be rotatably installed at the end of the second support bar 21b by a bearing (not shown) or the like. The rotary plate 23a may be provided with a rotary blade 23b protruding therefrom.

The rotating blades 23b may be radially arranged at equal intervals along the circumference of the rotating plate 23a. This rotating blade 23b can be rotated about the rotary plate 23a by the jetting pressure of the drilling water 15b in the process of spraying the drilling water 15b.

As described above, the drilling water 15b can be injected in the direction of the mud powder 11a while passing through the rotating body 20 in the process of being injected from the injection nozzle 10. [ Therefore, the drilling water 15b can generate a vortex in the spraying process, so that an effective mixing operation can be performed in the process of mixing the mud powder 11a and the drilling water 15b. Accordingly, the mud can be improved in quality of production by the stable mixing action of the mud powder 11a and the drilling water 15b.

FIG. 5 is a cross-sectional view of a main portion schematically showing a state where a rotating body of a mud mixing rotary nozzle according to a second embodiment of the present invention is installed, FIG. 6 is a perspective view schematically showing a rotating body of the mud mixing rotary nozzle of FIG. to be. 1 to 5 denote the same members having the same function. Hereinafter, detailed description of the same reference numerals will be omitted.

5 and 6, the rotating body 120 of the mud mixing rotary nozzle 200 according to the second embodiment of the present invention is rotatably installed in the injection nozzle 10, A rotary body 130 formed with a spray hole 135 through which a drilling water 15b is sprayed in a direction of an opening 10a of the rotary body 10 and a rotary body 130 formed around the outer surface of the rotary body 130, And an aberration blade 140 in contact with the anisotropic layer 15b.

The rotary body 130 is rotatably installed inside the opening 10a of the injection nozzle 10 and may be formed as a hollow cap type.

That is, the rotary body 130 includes a cylindrical round body 131 rotatably installed at the end of the injection nozzle 10, and a discharge hole formed at the outlet side of the injection nozzle 10 in the round body 131, And an ejection plate 133 on which the ejector 135 is formed.

The plurality of aberration blades 140 are formed along the outer circumferential surface of the round body 131. The plurality of aberration blades 140 are formed along the inner wall surface of the opening 10a of the injection nozzle 10,

The round body 131 is provided with a spray plate 133 having a spray hole 135 through which the drilling water 15b is sprayed.

The injection plate 133 is installed on the side of the round body 131 in the direction of the outlet of the injection nozzle 10 and the injection hole 135 through which the drilling water 15b is sprayed may be formed in the center portion.

FIG. 7 is a side view schematically showing the state where the injection hole is opened in the rotating body of FIG. 6, and FIG. 8 is a sectional view cut along the line VIII-VIII of FIG.

As shown in Figs. 7 and 8, the injection hole 135 is formed radially open on the injection plate 133, so that the drilling water 15b can be radially injected. The injection hole 135 is radially opened and is not necessarily limited to a mesh shape or a plurality of slits.

The injection hole 135 may include a main hole 135a formed radially around the injection plate 133 and a branch hole 135b branched to an opened side of the main hole 135a.

The main hole 135a may be formed radially open with respect to the center of the ejection plate 133. [ The main hole 135a may be opened in a tapered shape so as to enlarge an area that is further opened in a lateral direction of the injection nozzle 10.

As described above, since the main hole 135a is radially formed and opened in a tapered shape such that the injection area is enlarged in the direction of the ejection, the injection area of the drilling water 15b can be further enlarged. Therefore, the drilling water 15b can effectively mix the mud powder 11a and the drilling water 15b due to the enlargement of the area in contact with the mud powder 11a, thereby making it possible to improve the quality of the mud making.

A plurality of aberration blades 140 are installed along the circumference of the round body 131 and contact the drilling water 15b sprayed at a high pressure. The rotary body 20 can be rotated inside the opening 10a of the injection nozzle 10 by the injection pressure of the high-pressure drilling water 15b which is in contact with the aberration blades 140. [

The drilling water 15b may be supplied to the aberration blade 140 through the inlet 151 of the separation part 150 provided inside the injection nozzle 10.

FIG. 9 is a side view schematically showing another embodiment of the injection hole of FIG. 7; FIG.

As shown in Fig. 9, the ejection hole 1351 may be circularly opened at the center of the ejection plate 133. As shown in Fig. The drilling water 15b injected through the injection hole 1351 is brought into contact with the mud powder 11a while being in contact with the mud powder 11a, thereby improving the quality of mud making.

Fig. 10 is a side view schematically showing another embodiment of the injection hole of Fig. 7; Fig.

As shown in Fig. 10, the injection hole 1352 can be opened radially with respect to the center of the injection plate 133. As shown in Fig. With such an injection hole 1352 opened in a radial direction, the opened inner wall surface can be opened in a tapered shape so as to enlarge the open area. Therefore, the injection area of the drilling water 15b can be enlarged.

Fig. 11 is a cross-sectional view of the main part schematically showing a separation portion where the rotating body of Fig. 5 is installed. Fig.

As shown in FIG. 11, the spacing part 150 may be installed in a cylindrical shape with a certain distance from the inner wall surface of the injection nozzle 10. The spacing part 150 is provided inside the spray nozzle 10 because a part of the drilling water 15b supplied through the spray nozzle 10 is separated from the spacing part 150 and the spray nozzle 10 So as to flow into the portion between the inner wall surfaces. The drilling water 15b flowing into the separating part 150 flows into the aberration blade 140 through the inlet 151 formed in the separating part 150.

The inlet portion 151 may be formed in a slit shape penetrating in the direction of the aberration blades 140 from the surface of the spacing portion 150. A plurality of the inflow portions 151 may be formed at regular intervals along the circumference of the cylindrical spacing portion 150. The drilling water 15b is supplied to the aberration blade 140 through the inlet 151 so that the rotating body 20 can be rotated inside the injection nozzle 10 in the process of spraying the drilling water 15b have.

On the other hand, for the rotatable installation of the round body 131, a rotation protrusion 132 may protrude from the outside of the round body 131.

The rotation protrusion 132 may protrude in a round shape along the outer circumference of the round body 131. The rotation protrusion 132 may be rotatably inserted into the insertion groove 152 formed in the spacing part 150 of the injection nozzle 10. Therefore, the rotating body 20 can be rotated inside the injection nozzle 10 by the spray pressure of the drilling water 15b by fixing the rotation protrusion 132 to the insertion groove 152 by the rotation fixing have.

The drilling water 15b flowing through the inlet 151 is drained through the drainage unit 153 after rotating the aberration blade 140. [

The drainage part 153 may be installed as a drain hole in a state where the drainage part 153 is opened in the downward direction of the injection nozzle 10 from the spacing part 150. As described above, a part of the drilling water 15b flows into the space between the spacing parts 150 and is discharged through the drain part 153 after the rotating body 20 is rotated.

On the other hand, most of the drilling water 15b is injected through the injection hole 135 formed in the injection plate 133. Accordingly, the drilling water 15b can be injected while being added with a vortex action due to the rotational force of the rotating body 20 in the process of being injected through the injection nozzle 10.

As described above, the rotating body 20 has the aberration blades 140 formed on the sides of the round body 131 formed as a hollow plug type. By the supply of the drilling water 15b, And can be rotated by a water wheel rotation method.

Therefore, the drilling water 15b is injected through the injection nozzle 10 during the rotation operation process of the aberration type of the rotating body 20, so that a vortex can be generated in the injection process of the drilling water 15b. Accordingly, the drilling water 15b can be mixed more effectively by the action of vortex in the process of mixing with the mud powder 11a, and the quality of the mud can be improved.

FIG. 12 is a cross-sectional view of a main portion schematically showing a state in which a rotating body is installed in a mud mixing nozzle according to a third embodiment of the present invention, FIG. 13 is a perspective view schematically showing the rotating body of FIG. 12, 13 is a side view schematically showing a state in which the rotating blades are installed in the rotating body. 1 to 11 denote the same members having the same function. Hereinafter, detailed description of the same reference numerals will be omitted.

12 to 14, the round body 231 of the mud mixing nozzle 300 according to the third embodiment of the present invention is provided with a rotating blade 233 in the direction of the opening 10a.

The rotating blade 233 can be rotated by the jetting pressure of the drilling water 15b in the process of spraying the drilling water 15b through the injection nozzle 10. [ Here, the rotary blade 233 is fixed integrally with the round body 231, and the rotary body 231 can be rotated inside the injection nozzle 10 according to the rotation of the rotary blade 233 .

The rotating blade 233 may include a projecting blade 237 projecting radially about the injection hole 235. Therefore, it is possible to rotate by the high-pressure injection pressure of the drilling water 15b.

On the other hand, the injection hole 235 can be radially opened at the central portion of the rotating blade 233. Therefore, the drilling water 15b can be injected while expanding the area injected through the radially opened injection hole 235. [ Here, the injection hole 235 can be opened radially.

For the rotation operation of the round body 231, a draw-in groove 252 is formed in the inner wall surface of the injection nozzle 10.

The inlet grooves 252 are formed in a round shape along the circumference of the inner wall surface of the injection nozzle 10. The round protrusion 232 protruding from the outer surface of the round body 131 is inserted into the inlet groove 252.

The round protrusion 232 can be inserted rotatably in the recess 252. Accordingly, during the spraying operation of the drilling water 15b in the injection nozzle 10, the round body 231 can be rotated while being rotated. Therefore, the drilling water 15b is sprayed while generating a vortex in the course of spraying in the direction of the mud powder, so that the drilling water 15b and the mud powder 11a can be effectively mixed.

Fig. 15 is a side view schematically showing another embodiment of the injection hole of Fig. 14; Fig.

15, the injection hole 2351 has a main hole 2352 radially opened at the center of the rotating blade 233, a branch hole 2353 formed so as to branch to the side of the main hole 2352, . ≪ / RTI > Therefore, the drilling water 15b injected through the injection hole 2351 can be injected while expanding the area injected through the main hole 2352 and the branch hole 2353. [

FIG. 16 is a side view schematically showing another embodiment of the injection hole of FIG. 14, and FIG. 17 is a perspective view of the main portion of FIG.

As shown in Figs. 16 and 17, the injection hole 2350 can be circularly opened at the center of the rotating blade 233. [ The drilling water 15b injected through the injection hole 2350 is in contact with the mud powder 11a while being in contact with the mud powder 11a, thereby improving the quality of mud fabrication.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, And it goes without saying that the invention belongs to the scope of the invention.

10 ... Injection nozzle 11 ... Mud mixing hopper
11a .. Mud powder 13 ... Surge tank
15 ... The venturi portion 15a.
15b .. Drilling water 20, 120 ... Rotating body
21 ... The support bar 21a.
21b. Second support bar 23 ... Windmill
23a. Rotating plate 23b, 233. Rotating blade
130 .. rotating body 131, 231 .. round body
132 .. rotation protrusion 133 ... Injection plate
135, 253, 2351 .. injection holes 135a, 2352. Main hole
135b, 2353. The branch hole 140. The aberration blade
150 .. spacing part 151 .. inlet part
152 .. insertion groove 153 .. drain part
232 .. The round projection 233 .. The rotating blade
252 .. Inlet Home

Claims (19)

A ventilating portion having a flow channel therein through which the mud powder discharged from the mud mixing hopper flows and is moved;
A spray nozzle for spraying the drilling water through the moving passage; And
A rotating body rotatably installed in the injection nozzle by an injection pressure of the drilling water to spray the drilling water into the moving passage while forming a vortex;
Lt; / RTI >
The rotating body includes:
A rotary body rotatably installed in the injection nozzle and penetrating through the opening of the injection nozzle to form an injection hole through which the drilling water is injected; And
And an aberration blade formed around an outer surface of the rotating body and contacting the drilling water.
delete delete delete delete The method according to claim 1,
The rotating body includes:
A cylindrical round body rotatably installed at an end of the injection nozzle; And
An injection plate formed at the outlet side of the injection nozzle in the round body and forming the injection hole;
Wherein the mud mixing nozzle comprises:
The method according to claim 6,
And a plurality of aberration blades are formed on the side surface of the round body along the outer circumferential surface to contact the drilling water.
The method according to claim 6,
An insertion groove is formed along the circumference of the inner wall surface of the injection nozzle,
And a rotation protrusion inserted into the insertion groove and rotated together with the rotation of the rotation body protrudes from the side surface of the round body.
The method according to claim 6,
Wherein the injection holes are formed radially with respect to the center of the injection plate.
10. The method of claim 9,
The injection hole
A main hole radially formed around the ejection plate; And
A branch hole branching to an opened side of the main hole;
Wherein the mud mixing nozzle comprises:
10. The method of claim 9,
And the injection hole is opened in a tapered shape so as to be expanded in an exit direction of the injection nozzle.
The method according to claim 6,
Wherein a round-shaped spacing part spaced from an inner wall surface of the injection nozzle and having an insertion hole is formed in the injection nozzle,
The spacing portion
Wherein an inlet portion opened to allow the drilling water to flow in the direction of the round body and a drain portion to be opened to drain the drilling water are formed between the inner wall surfaces of the injection nozzles.
13. The method of claim 12,
And the inflow portion communicates with the insertion hole to supply the drilling water in the direction of the round body.
13. The method of claim 12,
Wherein the drain portion is a drain hole formed at a lower portion of the injection nozzle and through which the drilling water introduced into the inlet portion is discharged.
The method according to claim 6,
Wherein the round body is provided with a rotating blade in the direction of the injection hole on an outlet side of the injection nozzle.
16. The method of claim 15,
Wherein an inlet groove is formed along the circumference of the inner wall surface of the injection nozzle,
And a round protrusion inserted into the inlet groove and rotated together with the rotation of the rotating body is formed on a side surface of the round body.
17. The method of claim 16,
And a plurality of protruding blades protrude from the rotary blade about the injection hole.
18. The method of claim 17,
Wherein the injection hole is formed in a circular shape or a radial shape.
18. The method of claim 17,
The injection hole
A radially open main hole formed in the rotating blade; And
A branch hole branching to a side of the main hole;
Wherein the mud mixing nozzle comprises:
KR1020150087480A 2015-06-19 2015-06-19 Mud mixing nozzle KR101693236B1 (en)

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