KR102055449B1 - Crusher for solid - Google Patents

Abstract

The present invention relates to a solids pulverizer having air cleaning and blocking means, and which can effectively increase the durability of the apparatus without degrading strength or rigidity through an effective arrangement. The invention relates to a vertically rotatable and pressurized solid fuel. Press rotating body to be pulverized, the casing is formed by wrapping the pressure rotating body and provided with a liner therein, the base frame is installed on the pressure rotating body and the casing, the input unit is installed to be located above the pressure rotating body, It is configured to include a discharge portion which is installed to be located below the pressure rotating body, the pressure rotating body, a cylindrical central material disposed vertically, the inner end is coupled to the outer circumferential surface of the central material and installed at regular intervals radially A plurality of vertical bulkhead members to be installed, by connecting the adjacent vertical bulkhead members A plurality of horizontal bulkhead members installed at a predetermined interval from each other in a vertical direction and a plurality of horizontal members installed on the vertical bulkhead member so as to be rotatable and pressurized toward the casing side by centrifugal force during rotation of the pressure rotating body. The pressing member may have a hinge part rotatably coupled to the vertical bulkhead member on one side, a roller member rotatably coupled to the other side, and support and connect the hinge part and the roller member on upper and lower sides of the hinge part and the roller member. It is configured to include a support bar that is installed to, characterized in that it further comprises an air cleaning and blocking means for blocking the inflow of foreign matter into the roller member.

Description

Solids Crusher {Crusher for solid}

The present invention relates to a solids pulverizer for pulverizing solids produced from sewage sludge or the like to be sufficiently combustible in a boiler.

The amount of sewage sludge produced each year is increasing day by day due to the increase of population and industrial development.In this way, the sewage sludge ocean dumping is completely banned in accordance with international convention in the treatment method which mostly depended on ocean dumping. As a result, processing thereof becomes a problem at home and abroad.

As a way to solve this problem, research and development on the method of dehydrating sewage sludge to produce solids and then using them as fuel in coal-fired power plants have progressed to practical use.

By the way, in order to be used as fuel in coal-fired power plants, it must be sufficiently finely supplied in an advantageous state for combustion. For this purpose, a pulverization process is essential, and Korean Patent Publication No. 10-2002-0035823 (2002.5. A grinder such as 15) is used.

However, conventional grinders have a problem in that failure due to wear or breakage occurs frequently while using a member such as a saw blade or a hammer mill knife, and a problem that the actual grinding efficiency is also significantly reduced.

Korean Laid-Open Patent Publication No. 10-2002-0035823 (published on February 15, 2015)

In order to solve the problems as described above, the present invention has an object to provide a solid grinder with excellent durability and high grinding efficiency.

In addition, an object of the present invention is to provide a solid pulverizer having air cleaning and blocking means and effectively increasing the durability of the apparatus without reducing the strength or rigidity through an effective arrangement.

As a means for solving the problems as described above, the solids crusher of the present invention,

A pressurized rotating body installed vertically rotatable and pressurizing and crushing the solid fuel,

A casing formed by wrapping the pressure rotating body and having a liner therein;

A base frame having the pressure rotating body and the casing installed thereon;

An input unit installed to be positioned above the pressure rotating body;

It is configured to include a discharge unit which is installed to be located below the pressure rotating body,

The pressure rotating body,

Cylindrical core material arranged vertically,

A plurality of vertical partition member is coupled to the inner end on the outer circumferential surface of the central material and installed at regular intervals radially,

A plurality of horizontal bulkhead members installed by connecting adjacent vertical bulkhead members and spaced apart from each other in the vertical direction by a plurality of horizontal bulkhead members;

It is installed to be rotatable to the vertical partition member is configured to include a plurality of pressing members for pressing to the casing side by the centrifugal force during the rotation of the pressure rotating body,

The pressing member,

A hinge portion rotatably coupled to the vertical bulkhead member at one side;

A roller member rotatably coupled to the other side,

Upper and lower sides of the hinge portion and the roller member are configured to include a support bar that is installed to support and connect the hinge portion and the roller member,

Characterized in that it further comprises an air cleaning and blocking means for blocking the inflow of foreign matter into the roller member.

In addition, the central material is made of a central cylinder coupled to the central axis and the central axis,

The air cleaning and blocking means,

A central shaft inner connection line formed in the central shaft to connect a lower end of the central shaft and the central cylinder;

An air hose connecting the central cylinder and the support bar of each roller member,

A support bar internal line formed in the support bar and connected to the roller shaft,

And a roller shaft connecting line formed inside the roller shaft of the roller member and connecting a gap between the inner line of the support bar and the roller shaft outside the sealing member and the roller.

In addition, the upper and lower partitions are provided with upper and lower partition plates coupled to the central material, respectively, at the upper end and the lower end of the pressurizing rotor.

The central axis of the core member is rotatably extended to the upper side and the lower side, characterized in that the lower end is provided with a pulley for power transmission.

In addition, a plurality of upper guide plates coupled to the upper surface of the upper partition plate vertically disposed at regular angular intervals,

Coupled to the lower side of the lower partition plate is characterized in that it further comprises a plurality of lower guide plates disposed radially at a predetermined angular interval.

In addition, the input portion is made of an input guide portion and the upper flange,

The injection guide unit,

Inlet provided in the hollow cylindrical shape on the upper side,

Receiving portion consisting of a hollow member of upper and lower light down the inlet,

One end is coupled to the inner peripheral surface of the lower end of the receiving portion between the plurality of connections disposed radially,

It is configured to include a conical internal guide hole coupled to the other end between the plurality of connections,

The upper flange portion,

An upper flange plate provided with a plurality of input through holes at a predetermined angular interval, and the input guide part coupled to an upper surface;

An upper support part formed at a center of a lower surface of the upper flange plate and supporting an upper side of the pressurizing rotor;

It is characterized in that it comprises a plurality of inlet guide plate which is radially coupled to the lower surface of the upper flange plate and the support outer peripheral surface.

In addition, the discharge portion is configured to include a lower flange portion and the discharge pipe,

The lower flange portion,

A lower flange plate having a plurality of discharge through holes and coupled to the base frame;

It is characterized in that it comprises a lower support portion formed in the center of the lower flange plate upper surface to support the lower side of the pressing rotor.

Through the problem solving means as described above, the solids crusher of the present invention is simple in structure and easy to manufacture, yet excellent in durability and easy to maintain, in particular, excellent grinding efficiency can increase the processing speed of the solids smoothly crushed It is possible to supply fuel and to ensure stable combustion, to provide air cleaning and blocking means, and to effectively increase the durability of the device without reducing the strength or rigidity through an effective arrangement.

1 is a partially exploded perspective view showing a solid grinder according to the present invention.
2 is a cross-sectional view showing a solid grinder according to the present invention.
Figure 3 is an exploded perspective view showing a solid grinder according to the present invention.
4 is a view illustrating a pressurized rotary body of the solid crusher according to the present invention.
5 is a perspective view showing a pressing member of the solid crusher according to the present invention.
6 is a plan view and a cross-sectional view showing a pressing member of the solid crusher according to the present invention.
7 is a view showing an introduction guide of the solid grinder according to the present invention.
8 is a view showing an upper flange of the solid grinder according to the present invention.
9 is a view showing a lower flange of the solid grinder according to the present invention.

Preferred embodiments of the solid crusher according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a partial exploded perspective view showing a solid grinder according to the present invention, Figure 2 is a cross-sectional view showing a solid grinder according to the present invention, Figure 3 is an exploded perspective view showing a solid grinder according to the present invention, Figure 4 Figure 5 is a view showing a pressurized rotary body of the solid crusher according to the present invention, Figure 5 is a perspective view showing a pressing member of the solid crusher according to the present invention, Figure 6 shows a pressing member of the solid crusher according to the present invention. 7 is a plan view and a cross-sectional view, and FIG. 7 is a view showing an injection guide of a solid grinder according to the present invention, FIG. 8 is a view showing an upper flange of a solid grinder according to the present invention, and FIG. 9 is a solid according to the present invention. It is a figure which shows the lower flange part of a grinder.

As shown in Figures 1 to 3, the solid crusher according to the present invention is installed to rotate vertically and pressurized rotary body 10 for pressing and crushing the solid fuel and formed by wrapping the pressurized rotary body 10 And a casing 30 having a liner 31 in contact with the pressure rotating body 10 therein, a base frame 40 having the pressure rotating body 10 and the casing 30 installed thereon; It is installed so as to be positioned above the pressure rotating body 10, the input unit 50 is a solid material is introduced, and installed to be positioned below the pressure rotating body 10, discharge portion 70 for discharging the pulverized solid material It is configured as follows, each component will be described as follows.

As shown in FIG. 4, the pressure rotating body 10 is a vertically arranged portion that rotates and pressurizes a solid to be pulverized, and has a cylindrical central material 11 arranged vertically and the central material. Inner end is coupled to the outer circumferential surface of (11) and a plurality of vertical bulkhead members 12 installed radially at regular intervals and the adjacent vertical bulkhead members 12 are installed and connected to each other in the vertical direction at regular intervals. A plurality of horizontal members 13 and a plurality of pressure members installed to be rotatable to the vertical bulkhead member 12 to press the casing 30 by centrifugal force during rotation of the pressure rotating body 10. Is done.

Here, the center member 11 is, as shown in Figure 2, etc., the central cylinder 11 'of the center, the central cylinder of the hollow cylindrical form that is coupled to the central axis 11' and the hollow portion is formed therein (11 ").

And the pressing member for actually crushing the solid, as shown in Figures 5 and 6, the hinge portion 14 is rotatably coupled to the vertical partition member 12 on one side, rotatably coupled to the other side It is configured to include a roller member 15, when the pressure rotating body 10 is rotated at high speed, the roller member 15 around the hinge portion 14 by the centrifugal force is the pressure rotating body 10 The liner 31 is pressed by rotating in an outward direction. At this time, the solid material located between the roller member 15 and the liner 31 is crushed by the pressing force of the roller member 15 moving outward by centrifugal force.

Specifically, as shown in FIG. 5 and FIG. 6, the hinge portion 14 and the roller member 15 are supported on the upper and lower sides of the hinge portion 14 and the roller member 15 to support them. Bar 81 is installed.

In addition, a connector 16 is further provided between the hinge portion 14 and the roller member 15. The connector 16 has an organic solid fuel attached to the roller member 15 in addition to a structurally complementary rigidity. The function of separating from the roller member 15 is also performed.

The roller member 15 is rotatably installed at both ends of the roller shaft 15 'which is fixedly coupled to the support bars 81 positioned on the upper and lower sides, and the bearing RB on the roller shaft 15'. And a roller 15 ". A sealing member S is provided on the outside of the bearing RB to prevent inflow of fine powder into the bearing RB and the like, and the lubricant present in the bearing RB. It will prevent the leakage of water.

In a further configuration, in the present invention, the upper and lower partition plates 17 and 18 are coupled to the central member 11 at upper and lower ends of the pressurized rotary body 10, respectively, and the central member ( The central shaft 11 'of 11) is rotatably extended upwardly and downwardly, and a pulley 21 for power transmission is provided at the lower end. Specifically, the pulley 21 is located inside the base frame 40 and is connected to a separate driving means through a belt to receive rotational power. In the present invention, the power transmission means is not necessarily limited to the power transmission means by the belt, various power transmission means such as the chain power transmission means by the chain and the sprocket, the power transmission means by the gear can be used.

In addition, in the present invention, a plurality of upper guide plates 22 coupled to the upper surface of the upper partition plate 17 and disposed radially at a predetermined angular interval, and coupled to the lower surface of the lower partition plate 18 are radially coupled. A plurality of lower guide plate 23 is further provided at a predetermined angular interval, the upper guide plate 22 may be introduced between the roller member 15 and the liner 31 by moving the incoming solid to the outside. It is a member to guide so as to also increase the flow rate of the solids, and the lower guide plate 23 is a member that is installed to be discharged smoothly through the discharge port by moving the inside of the crushed and falling solids.

In the present invention, a plurality of roller members 15 are arranged in a zigzag form as a main feature, and the horizontal bulkhead member 13 is also arranged in a zigzag form rather than in a straight line along the outer circumference thereof, thereby improving the fluidity of the pulverized solid. In order to place the opening 24 in the vertical partition member 12, it is preferable to form the opening 24 in the lower portion of the vertical partition member 12 of the section between the horizontal partition member (13).

The input unit 50 is a portion provided to smoothly supply the solid material for pulverization is introduced and guided to the proper position of the pressure rotating body 10, the input guide 51 and the upper flange 52 The injection guide 51 is made of, as shown in Figure 7, the inlet 53 is provided in a hollow cylindrical shape on the upper side, and the hollow member of the upper side down light in the lower side of the inlet 53 An inner portion having a conical shape coupled to the receiving portion 54, the plurality of connecting rods 55 having one end coupled to the inner circumferential surface of the lower end of the receiving portion 54 and disposed radially, and the other end of the plurality of connecting segments 55. It is configured to include a tool 56, the upper flange portion 52, as shown in Figure 8, a plurality of input through-holes 57 are provided at a predetermined angular interval and the input guide 51 is Upper flange plate 58 coupled to the upper surface, and the upper flange plate A plurality of inputs are formed in the center of the lower surface 58 and coupled to the upper support 59 for supporting the upper side of the pressurized rotor 10 and radially disposed by being coupled to the lower surface of the upper flange plate 58 and the outer peripheral surface of the support. It is configured to include a secondary guide plate 60.

Therefore, the solids conveyed through the pipe are first diffused and moved evenly radially outward without losing the flow velocity in the input guide 51, and secondly the input guide plate of the upper flange 52 ( 60) the outer diffusion movement.

The upper support portion 59 is provided with a rotating body support means such as a bearing.

The upper flange portion 52 is fixed to the upper fixing frame 42 which is coupled to the upper end of the plurality of connecting bars 41 installed perpendicular to the base frame 40.

The discharge part 70 is a part designed to smoothly discharge the pulverized solid without losing fluidity, and includes a lower flange part and a discharge pipe 74, wherein the lower flange part is illustrated in FIG. 9. As described above, a plurality of discharge through holes 72 are provided and formed in the center of the lower flange plate 71 coupled to the base frame 40 and the upper surface of the lower flange plate 71 to form the pressure rotating body 10. It is comprised including the lower support part 73 which supports a lower side.

The lower support portion 73 is provided with a rotating body support means such as a bearing.

Hereinafter, the operation and pulverization process of the solid crusher according to the present invention as described above will be described based on the moving path of the solid.

First, when a driving means is operated to rotate the pressure rotating body 10, the roller member 15 hinged to the vertical partition member 12 moves in an outer circumferential direction to rotate while pressing the liner 31. It becomes the state to do.

In this state, the solid is inlet 53-> passage between the receiving portion 54 and the inner induction opening 56-> input through-hole 57-> space between the input guide plate 60-> pressurization The space between the entire 10 and the liner 31-> the space between the lower guide plate 23-> the discharge through-hole 72-> the discharge pipe 74 in order, and the pressurized rotor 10 and In the process of passing through the space between the liner 31 is pressed by the roller member 15 to be pulverized.

In addition, the solid crusher according to the present invention is provided with an air cleaning and blocking means so as to increase the durability of the device by blocking the inflow of foreign matters such as fine powder or powder generated at the time of grinding with the roller member 15.

The air cleaning and blocking means may be formed in the central shaft 11 ′, and a central shaft inner connection line 82 connecting the lower end of the central shaft 11 ′ and the central cylinder 11 ″, An air hose 83 connecting the central cylinder 11 " and the support bars of the respective roller members; and a support bar inner line formed in the support bar 81 and connected to the roller shaft 15 '; 84 and a gap formed between the roller shaft 15 'and the roller 15 "formed inside the roller shaft 15' and outside the support bar inner inner line 84 and the sealing member S. It comprises a roller shaft connecting line 85 for connecting.

Through the air cleaning and blocking means as described above, the high-pressure air is supplied to the inner shaft line connecting line 82-> center cylinder 11 "-> air hose 83-> support bar inner line 84-> roller shaft Through the connection line 85 is injected into the gap between the roller shaft 15 'and the roller 15 "outside the sealing member (S) to form an air curtain to block and remove foreign substances introduced into the interior. In this way, foreign matter flows into the bearing RB of the roller member 15, thereby preventing the roller member 15 from causing problems such as breakage or failure.

Through the configuration as described above, the solids crusher of the present invention is simple in structure and easy to manufacture, yet excellent in durability and easy to maintain, in particular, excellent grinding efficiency can increase the processing speed of the solids smoothly pulverized fuel It provides a stable and stable combustion, and has an advantage such as having an air cleaning and blocking means, and through the effective arrangement can effectively increase the durability of the device without a reduction in strength or rigidity.

10: pressurized rotating body 11: core material
11 ': center axis 11 ": center cylinder
12: vertical bulkhead member 13: horizontal bulkhead member
14: hinge portion 15: roller member
15 ': Roller Shaft 15 ": Roller
16: connector 17: upper bulkhead plate
18: Lower bulkhead plate 21: Pulley
22: upper guide plate 23: lower guide plate
24: opening
30: casing 31: liner
40: base frame 41: connection bar
42: upper fixed frame
50: input unit 51: input guide unit
52: upper flange 53: inlet
54: accommodating part 55: connection
56: internal guide hole 57: through-through
58: upper flange plate 59: upper support
60: Input part guide plate
70: outlet 71: lower flange plate
72: discharge through hole 73: lower support
74: discharge pipe
81: support bar 82: inner shaft connecting line
83: air hose 84: support bar internal line
85: roller shaft connection line
RB: bearing
S: sealing member

Claims (1)

A pressurized rotating body installed vertically rotatable and pressurizing and crushing the solid fuel,
A casing formed by wrapping the pressure rotating body and having a liner therein;
A base frame having the pressure rotating body and the casing installed thereon;
An input unit installed to be positioned above the pressure rotating body;
It is configured to include a discharge unit which is installed to be located below the pressure rotating body,
The pressure rotating body,
Cylindrical core material arranged vertically,
A plurality of vertical partition member is coupled to the inner end on the outer circumferential surface of the central material and installed at regular intervals radially,
A plurality of horizontal bulkhead members installed by connecting adjacent vertical bulkhead members and spaced apart from each other in the vertical direction by a plurality of horizontal bulkhead members;
It is provided to be rotatable to the vertical partition member is configured to include a plurality of pressing members for pressing to the casing side by centrifugal force during the rotation of the pressure rotating body,
The pressing member,
A hinge portion rotatably coupled to the vertical bulkhead member at one side;
A roller member rotatably coupled to the other side,
Upper and lower sides of the hinge portion and the roller member are configured to include a support bar that is installed to support and connect the hinge portion and the roller member,
The roller member includes a roller shaft fixedly coupled to both ends of the support bar located on the upper and lower sides, and a roller rotatably installed on the roller shaft through a bearing.
It further comprises an air cleaning and blocking means for blocking the introduction of foreign matter into the roller member,
The central member is composed of a central cylinder and a central cylinder coupled to the central axis,
The air cleaning and blocking means,
A central shaft internal connection line formed in the central shaft to connect a lower end of the central shaft and the central cylinder;
An air hose connecting the central cylinder and the support bar of each roller member,
A support bar internal line formed in the support bar and connected to the air hose and the roller shaft,
And a roller shaft connecting line formed inside the roller shaft of the roller member and connecting a gap between the support bar inner line and the roller shaft and the roller.
Solids grinder

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