WO2019164253A1 - Conveyor chain having steel ring reinforcement barrel and method for manufacturing same - Google Patents

Abstract

The present invention provides a conveyor chain comprising a plurality of unit chain members and chain pins connecting the unit chain members, wherein each of the unit chain members comprises a reinforcement barrel portion and yoke portions coupled to both sides of the reinforcement barrel portion and extending while being spaced from each other, and the reinforcement barrel portion comprises a barrel portion body and a reinforcing steel ring installed to be integrally embedded in the barrel portion body and reinforcing the barrel portion body.

Description

Conveyor chain with steel ring reinforcing barrel and its manufacturing method

The present invention relates to a conveyor chain having a steel reinforcing barrel and a method of manufacturing the same. More specifically, by applying a steel ring reinforcing barrel different from the conventional one, it is possible to effectively reinforce a barrel portion that receives the most wear and shear force. In addition, the present invention relates to a conveyor chain having a steel reinforcing barrel, and a method of manufacturing the same, which can prevent the conveyor chain from being short-circuited and thus causing trouble in the operation of the treatment plant.

Conveyor chains made of composite materials or high-strength engineering plastics are applied to various industries such as water treatment facilities, oil refineries, and seawater desalination for water and sewage treatment, and are mainly responsible for the transport of highly abrasive materials such as sand, sludge, and slag. .

As a representative example, a water treatment facility for water and sewage treatment will be described. Conventional water treatment facilities include a suspended solids removal step for removing suspended solids in raw water introduced from homes or industrial sites, and decomposition and precipitation using activated sludge.

The supernatant filtered in the decomposition and sedimentation stage receives oxygen from the aeration tank and undergoes an activation stage to propagate aerobic bacteria.The supernatant is then re-separated from the secondary sedimentation basin. Process to discharge to the stream.

In a water treatment plant with such a process flow, sand is introduced along with a large amount of suspended solids at the inlet, and a sediment remover, a primary sedimentation basin, and a sludge collector are used to protect the post-process and machinery. .

Although there are various types of sediment removers and sludge collectors, a chain flight type sludge collector is known to be most widely used. A conveyor chain is applied to such sludge collectors.

On the other hand, the conveyor chain used in the conventional sludge collector is for conveying the flight, it was generally applied to a cast or stainless steel material with a sprocket.

However, if the conveyor chain is made of cast or stainless steel, the power of the chain inevitably requires excessive power during the transfer operation, and also requires a lot of manpower for maintenance.

Therefore, in order to solve this drawback, there is a tendency to attempt to apply a conveyor chain made of composite material or high strength engineering plastic away from the conventional casting chain or conveyor steel made of stainless steel.

However, existing conveyor chains are exposed to various problems due to material or structural limitations.

First, the conveyor chain has to carry a lot of load because it needs to transport materials with a high specific gravity such as sand, sludge, slag, etc. As a result, a high breaking strength is required for the conveyor chain, but it is difficult to replace the existing one.

Second, because the conveyor chain has to transport highly abrasive materials such as sand, sludge, and slag, a high wear resistance and high strength are required for the conveyor chain, but it is difficult to replace the existing one.

In particular, in the case of the prior art, due to its structural limitation, the barrel of the conveyor chain is badly worn. In severe cases, the sludge or sand contained in the raw water (raw water) rapidly occurs, causing the conveyor chain to abruptly wear. This short-circuit may occur, which may cause problems in the operation of the treatment plant. Therefore, there is a need for technology development to solve this problem.

(Patent Document 0001) Korean Patent Office Application No. 10-2016-0056355

It is an object of the present invention to effectively reinforce a barrel portion that receives the most wear and shear force by applying a different steel ring reinforcing barrel, which can prevent the conveyor chain from short-circuit causing trouble in the operation of the treatment plant. To provide a conveyor chain having a steel reinforcing barrel, and a method of manufacturing the same.

The object includes a plurality of unit chains and chain pins connecting the unit chains, wherein the unit chains are coupled to both sides of the reinforcing barrel and the reinforcing barrel, and include yoke portions extending while being mutually extended. The barrel part may be achieved by a conveyor chain, which includes a barrel part body and a reinforcing steel ring installed integrally with the barrel part body to reinforce the barrel part body.

The reinforcing steel ring is formed of a metal material, the barrel body may be formed of a non-metal material.

The side of the reinforcing steel ring may be bent.

The reinforcing steel ring may be heat treated.

In another aspect, the present invention is a steel ring manufacturing step for producing a steel ring made of stainless steel (stainless steel) material; A unit chain manufacturing step of manufacturing a unit chain by integrally forming a barrel body through the non-metal injection to the steel ring; And a conveyor chain manufacturing step of manufacturing the conveyor chain by connecting the unit chains. The conveyor chain manufacturing method may include a steel ring reinforcing barrel.

The steel ring manufacturing step, the steel plate cutting step of cutting the steel plate to a width and length capable of forming a barrel; A steel plate side bending step of bending both sides of the steel plate using a mold; A steel plate U-shape processing step of processing the bent steel plate into a U-shape; And a steel plate tube processing step of completely processing the steel plate processed in the U shape in the form of a tube.

The steel ring manufacturing step, the steel pipe preparation step of preparing a steel pipe through the inner side; And cutting the steel pipe to a width and a length capable of forming a barrel.

And a steel pipe side bending step of bending both sides of the steel pipe using a mold.

According to the present invention, by applying a different steel reinforcing barrel, it is possible to effectively reinforce the barrel portion that receives the most wear and shear force, thereby preventing the conveyor chain from short-circuit causing trouble in the operation of the treatment plant. There is.

1 is a structural diagram of a sludge collector of a chain flight type to which a conveyor chain including a steel reinforcing barrel of the present invention is applied;

2 is an essential part image of a conveyor chain applied to FIG. 1, FIG.

3 is an enlarged perspective view of a unit chain to which attachments are coupled;

4 is a view illustrating a state in which the steel ring reinforcing barrel portion is partially cut from the unit chain;

5 is a view schematically showing a barrel portion,

6 is a view showing the shape of the reinforcing steel ring used in the present embodiment,

7 is a view showing step by step how the reinforcing steel ring is formed,

8 is a flowchart illustrating the manufacturing process of FIG. 7 step by step;

9 is a view showing in step the manner in which the reinforcing steel ring according to the second embodiment is formed,

10 is a flowchart illustrating the manufacturing process of FIG. 9 step by step;

11 is a view showing a barrel portion coupled to the reinforcing steel ring according to the third embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the present invention.

1 is a structural diagram of a sludge collector of a chain flight type to which a conveyor chain having a steel ring reinforcing barrel according to a first embodiment of the present invention is applied.

Referring to FIG. 1, the flight type sludge collector is connected to a plurality of first and second flights 111 and 112 collecting sludge in the sedimentation basin C, and moves the chain 140 to move the first and second flights 111 and 112. ) And first and second driving units 131 and 132 disposed outside the settling basin C and providing power for driving the chain 140.

Although not shown in detail in FIG. 1, the chain 140 applied in the sedimentation basin C of FIG. 1 is the conveyor chain 140 according to the present embodiment.

Although it is an embodiment, the civil structure of the sedimentation basin (C) disclosed in the present embodiment may form a two-layered multilayer structure. This may be a form applied to a sewage treatment plant having a large amount of water treatment instead of a small site.

As such, when the sedimentation basin C forms a two-layered multilayer structure, sludge treatment may be performed in both the lower first layer region and the upper two layer region, and a plurality of first and second flights 111 and 112 are disposed therefor. Can be.

Of course, since the sedimentation basin (C) does not have to have a two-layered multilayer structure, the scope of the present invention is not limited to the shape of the drawings.

In the present embodiment, when the sedimentation basin C forms a two-layered multilayer structure, the first flight 111 is disposed in the lower one layer region, and the second flight 112 is disposed in the upper two layer region. They can move sludge at that location. At this time, the sludge refers to a material having high specific gravity and high wearability including sand or slag.

Both the first and second flights 111 and 112 have a long rod structure. In addition, both the first and second flights 111 and 112 are connected to the conveyor chain 140 by separate attachments 155, respectively, so that the sludge may be processed while the conveyor chain 140 is operated.

The conveyor chain 140 is connected to and rotated with the first and second driving units 131 and 132 to move the first and second flights 111 and 112, respectively. That is, one side of the conveyor chain 140 is connected to the first driving unit 131 disposed on the outer side of the sedimentation basin C and rotates to move the first flight 111, and the other side of the conveyor chain 140 is the sedimentation basin. The second flight 112 is moved while being rotated in connection with the second driving unit 132 disposed on the other outer side of (C).

On the other hand, although the sedimentation basin (C) as shown in Figure 1 varies depending on the processing capacity, the width is up to 8 ~ 10m and 20 ~ 120m in length can be so large that the conveyor chain 140 is applied to the metal It is desirable, but excessive power is required.

Therefore, in order to reduce power, it is preferable to apply the conveyor chain 140 as a non-metal as in the present embodiment in order to reduce the weight, but the limit is about 3.8 tons even for simple non-metals such as high strength engineering plastics.

This is very low compared to 19 tons of metal chains, but it is not easy to apply in that the safety factor required for actual use is 3-5 times. Thus, the conveyor chain 140 as in the present embodiment is required.

Referring to these drawings, in the present embodiment, by applying a different steel reinforcement barrel portion 150 (BARREL) than the conventional, it is possible to effectively reinforce the barrel portion 150 that receives the most wear and shear force, and thus the conveyor chain The short circuit 140 prevents disturbance of the operation of the treatment plant.

The conveyor chain 140 includes a plurality of unit chains 160 and chain pins 170 connecting the unit chains 160. The chain pin 170 is connected to the unit chain 160 through the steel ring reinforcement barrel 150. 3 illustrates the unit chain 160 to which the attachment 155 is connected, and FIG. 4 illustrates a state in which the steel ring reinforcing barrel 150 is partially cut from the unit chain 160.

While applying the steel ring reinforcement barrel 150 to the connection portion of the unit chain 160 receives the most wear and shear force as in this embodiment, while the chain pin 160 through the steel ring reinforcement barrel 150 By improving the shearing force, the wear resistance can be increased from materials having high specific gravity and abrasion, such as sand, sludge, and slag, and can provide higher breaking strength and higher strength than before.

The unit chain 160 is a chain that is regularly connected to each other. One end of the unit chain 160 is formed of the yoke portion 154 that is a portion that is open and the other end is narrowed, the barrel portion 150 is formed on the narrowed side, the chain pin 170 on the barrel portion 150 By this insertion, the unit chain 160 may be regularly connected.

Meanwhile, as illustrated in FIG. 2 to FIG. 4, the most pressure is received in the conveyor chain 140 in which the plurality of unit chains 160 are connected by a link method, as described above. This is a barrel of the conveyor chain 140 directly engaged with the sprocket 190 (SPROCKET), as shown in Figure 2, the link chain is connected to the load of the conveyor chain 140 and flight (111, 112, see Fig. 1) consisting of a double row of tracks This is because both the part 150, the chain pin 170, and the safety rim 191 (SAVE RIM) of the sprocket 190 are all delivered. As a result, the barrel portion 150 may be severely worn in the conveyor chain 140. In severe cases, the conveyor chain 140 may rapidly wear due to sludge or sand included in raw water. This can be short-circuited, resulting in disruptions to the operation of the treatment plant.

However, in the present embodiment, because the steel ring reinforcing barrel 150 is different from the conventional one is to solve this problem.

In the present embodiment, the unit chain 160 includes a steel ring reinforcing barrel portion 150 and a yoke portion 154 that is coupled to both sides of the barrel portion 150 and spreads with each other. The steel ring reinforcing barrel 150 is installed to be integrally embedded in the barrel body 151 and the barrel body 151 includes a reinforcing steel ring 152 to reinforce the barrel body 151. 5 is a cross-sectional view schematically showing the barrel portion 150, one side of the reinforcing steel ring 152 is embedded in the barrel portion body 151, as shown in the integral part to the barrel portion body 151 It can be seen that the bond. The barrel part body 151 is formed so as to surround the barrel part, unlike the barrel part body 151 formed of a non-metallic material, and is formed of a metal material, in particular, stainless steel, and thus a conventional barrel part formed of only the barrel part body 151 of a non-metallic material. Compared with 150, the wear resistance is greatly increased and the resistance to the load is increased, so that the shear strength is high. In addition, the material of the reinforcing steel ring 152 has the advantage that can be selectively used any number of high-strength material that is performed separately, such as additional heat treatment process, can overcome the disadvantages of the conventional non-metal barrel portion 150 as possible Will be.

FIG. 6 is a view showing the shape of the reinforcing steel ring 152 according to the first embodiment of the present invention, and FIG. 7 is a view illustrating the manner in which the reinforcing steel ring 152 is formed step by step. The reinforcing steel ring 152 may be manufactured by the forming method of the steel plate 152a. That is, the unit chain 160 having the steel ring reinforcing barrel 150 may be manufactured by the forming of the steel plate 152a, and the plurality of unit chains 160 thus manufactured may be connected to the conveyor chain as shown in FIG. 2. 140 can be manufactured.

Hereinafter, a method of manufacturing the conveyor chain 140 will be described. In this embodiment, the manufacturing method for manufacturing the conveyor chain 140 is a steel ring manufacturing step (S110) for manufacturing a steel ring (152, see Figs. 7 and 8) made of stainless steel (stainlesssteel), and the steel ring ( By forming a barrel body part 151 by non-metal injection to 152 to form a unit chain manufacturing step (S120) for producing a unit chain 160, a conveyor for connecting the unit chain 160 to manufacture a conveyor chain 140 It may include a chain manufacturing step (S130).

At this time, the steel ring 152 is to be manufactured in the order of the steel plate cutting step (S11), steel plate side bending step (S12), steel plate U-shape processing step (S13), and steel plate tube processing step (S14). Can be.

The steel plate cutting step S11 is a process of cutting the steel plate 152a to a width and a length capable of forming the steel ring reinforcing barrel 150.

The steel plate side bending step S12 is a process of bending the side surface 152b of the steel plate 152a using a mold. Both side surfaces 152b of the steel plate 152a are bent.

The steel plate U-shape processing step (S13) is a process of processing the steel plate 152a having both sides 152b bent into a U-shape.

And steel plate tube processing step (S14) is a process of forming a reinforcing steel ring 152 by completely processing the steel plate 152a processed in a U-shape in the form of a tube.

After the steel ring 152 is manufactured in the same manner, the steel ring reinforcement barrel 150 having the barrel body part 151 integrally formed therein is formed by injecting a non-metal into the steel ring 152. After forming the unit chain 160 including the yoke 154, a plurality of unit chains 160 may be connected to manufacture the conveyor chain 140 as shown in FIG. 2, and the conveyor chain 140 manufactured as described above may be manufactured. By using it can be more effectively reinforce the barrel portion 150 that receives the most wear and shear force. Therefore, it is possible to prevent the conveyor chain 140 is short-circuited as in the past, which causes trouble in the operation of the treatment plant.

According to the present embodiment having the structure and action as described above, by applying a different steel ring reinforcing barrel portion 150 than the conventional, the barrel portion 150 that receives the most wear and shear force can be effectively reinforced, so that the conveyor chain ( The short-circuit (140) can be prevented from disturbing the operation of the treatment plant.

9 is a view illustrating a manufacturing process of the steel ring 352 applied to the steel ring reinforcing barrel portion according to the second embodiment of the present invention, Figure 10 is a conveyor chain using a steel ring according to this second embodiment It is a flowchart of a manufacturing method.

Referring to these drawings, the conveyor chain manufacturing method having a steel ring reinforcing barrel according to the present embodiment also, as described above, the steel to manufacture a steel ring (352, see Fig. 9) made of stainless steel (stainless steel) material After the ring manufacturing step (S310) and the non-metal injection through the steel ring 352 to form a barrel body 151 inside, the unit chain manufacturing for manufacturing the unit chain 160 is further provided with a yoke 154 It may include a conveyor chain manufacturing step (S130) of connecting the unit chain 160 and the step (S120) to manufacture the conveyor chain 140.

However, this embodiment is different from the above-described first embodiment in that the steel pipe 352a is used instead of the steel plate. Steel pipe preparation step (S31) is a process of preparing a steel pipe 352a is formed through the inside. The steel pipe cutting step S32 is a process of cutting the steel pipe 352a to a width and a length capable of forming the steel reinforcing barrel 352.

The steel pipe side forming step S33 is a process of forming the side surface 552b of the steel pipe 352a using a mold. Both sides 352b of the steel pipe 352a are molded, and the steel ring 352 can be made through this process.

In this way, even if the steel reinforcing barrel 352 is made and applied to the unit chain 160, the barrel body 151 which receives the most wear and shear force can be effectively reinforced, and the conveyor chain 140 is shorted. This can prevent the disruption of the operation of the treatment plant.

11 is a cross-sectional view of the steel ring reinforcement barrel 150 according to the third embodiment of the present invention. In this embodiment, there is an advantage that the process can be simplified by simply using the steel pipe 352 instead of bending the side of the steel ring as in the above-described embodiment.

As described above, the present invention is not limited to the described embodiments, and various modifications and changes can be made without departing from the spirit and scope of the present invention, which will be apparent to those skilled in the art. Therefore, such modifications or variations will have to be belong to the claims of the present invention.

Claims (8)

1. A plurality of unit chains and chain pins connecting the unit chains;

   The unit chain includes a reinforcing barrel portion and a yoke portion which is coupled to both sides of the reinforcing barrel portion and extends apart from each other.

   The reinforcing barrel portion is a conveyor chain characterized in that it comprises a reinforcing steel ring for reinforcing the barrel body is installed integrally with the barrel body and the barrel body.
2. The method of claim 1,

   The reinforcing steel ring is formed of a metal material, the barrel body is a conveyor chain, characterized in that formed of a non-metal material.
3. The method of claim 1,

   The side of the reinforcing steel ring is bent, characterized in that the conveyor chain.
4. The method of claim 1,

   The reinforcing steel ring is a conveyor chain, characterized in that the heat treatment.
5. A steel ring manufacturing step of manufacturing a steel ring made of stainless steel;

   A unit chain manufacturing step of manufacturing a unit chain by integrally forming a barrel body through the non-metal injection to the steel ring; And

   Conveyor chain manufacturing method comprising a steel chain reinforcing barrel, characterized in that it comprises a conveyor chain manufacturing step of connecting the unit chain to produce a conveyor chain.
6. The method of claim 5,

   The steel ring manufacturing step,

   Cutting the steel plate to a width and a length capable of forming a barrel;

   A steel plate side bending step of bending both sides of the steel plate using a mold;

   Steel plate U-shaped processing step of processing the bent steel plate in the U-shape; And

   Conveyor chain manufacturing method comprising a steel plate reinforcing barrel comprising a steel plate tube processing step of completely processing the steel plate processed in the U-shape tube form.
7. The method of claim 5,

   The steel ring manufacturing step,

   A steel pipe preparation step of preparing a steel pipe having an inner side penetrated therein; And

   And a steel pipe cutting step of cutting the steel pipe to a width and a length capable of forming a barrel.
8. The method of claim 7, wherein

   And a steel pipe side bending step of bending both sides of the steel pipe using a mold.

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