KR100845457B1 - Dehydration apparatus - Google Patents

Abstract

A dehydrator with improved swing motion transmitting performance is provided to allow rotary power of a screw to be uniformly transmitted to supporting bars from both ends and an intermediate part of the dehydrator, and reinforce durability of the dehydrator relative to dead load of a plurality of swing rings and load of sludge. A dehydrator with improved swing motion transmitting performance comprises: a separation tank(10) having a sludge inflow part(11) and a solid discharge part(12); a solid-liquid separation unit(20) comprising a plurality of fixed rings(21) arranged within the separation tank and spaced apart from one another in a predetermined distance and a plurality of swing rings(22) arranged between the fixed rings; a screw(30) axially installed through the fixed rings and the swing rings of the solid-liquid separation unit; a motor(40) for rotating the screw; and a swing ring auxiliary drive unit(60) comprising an auxiliary eccentricity ring plate arranged in the middle of the screw, auxiliary driven ring plates arranged at both sides of the auxiliary eccentricity ring plate, a plurality of connecting members(63) which connect the two auxiliary driven ring plates and come in contact with the auxiliary eccentricity ring plate to receive a swing moment, and a plurality of supporting bars(54) which penetratingly connect the two auxiliary driven ring plates and support the swing rings of the solid-liquid separation unit.

Description

Dewatering device with improved swing motion transfer performance {DEHYDRATION APPARATUS}

The present invention provides a spiral wing of a screw, an auxiliary eccentric ring plate, each of which is fixedly coupled to an adjacent helical wing, two auxiliary driven ring plates having a plurality of rollers in contact with the outer side of the auxiliary eccentric ring plate, and the two The dehydration device is composed of a plurality of support bars connected to the secondary driven ring plate, in particular, the dewatering device with improved swing motion transfer performance to ensure that the rotational force of the screw is transmitted to the support bar supporting the swing ring uniformly at both ends and middle It is about.

Swinging type dewatering device for separating solids by dewatering sludge or solid and liquid mixtures generated in sewage treatment plant, wastewater treatment plant, paper mill, etc.

Japanese Patent Laid-Open No. 60-19011 (January 31, 1985), Japanese Patent Laid-Open No. 11-169615 (1999.06.29), Japanese Patent Laid-Open No. 2000-135595 (2000.05.16), and Japanese Patent Laid-Open No. 2000 -15015 (2000.01.18), Japanese Patent Application Laid-Open No. 2000-15014 (2000.01.18), Japanese Patent Application Laid-Open No. 2000-246495 (2000.09.12), and the like.

In addition, the applicant's Republic of Korea Patent No. 10-0465516 (2004.12.29) "screw type dewatering device",

The above techniques are suitable for small dewatering devices depending on the distance between the fixed ring and the swing ring.

When applied to a large dewatering device of the long installation length of the fixed ring and swing ring,

Durability problems such that the support bar for supporting the swing ring is bent or damaged against the weight of the swing ring and the load of sludge embedded therein;

There is a problem that the rotational force of the screw is not evenly transmitted to the support bar at both ends and the middle portion.

The present invention is to provide a dewatering device with improved swing motion transfer performance by installing a swing ring auxiliary drive means in the middle of the screw in addition to the swing ring driving means to ensure that the rotational force of the screw is uniformly transferred to the support bar at both ends and the middle portion. The purpose.

In another aspect, the present invention comprises a secondary follower ring plate coupled to the support bar in a double layer, by installing in the middle of the screw, a dewatering device with improved swing motion transmission performance is enhanced durability of a plurality of swing ring weight and sludge load It aims to provide.

In order to solve the above-mentioned problems, the dewatering device with improved swing motion transmission performance according to the present invention,

A separation tank having a sludge inlet and a solids discharge;

Solid-liquid separation means including a plurality of fixing rings arranged in the separation tank and a plurality of swing rings arranged between the fixing rings;

A screw constructed through the fixing ring and the swing ring of the solid-liquid separation means;

A motor for pivoting the screw; And

An auxiliary eccentric ring plate arranged in the middle of the screw,

Auxiliary driven ring plates arranged at both sides of the auxiliary eccentric ring plate,

A plurality of connecting members connecting the two auxiliary driven ring plates and receiving swing motions in contact with the auxiliary eccentric ring plates;

Swinging auxiliary driving means for connecting the two auxiliary driven ring plate and a plurality of support bars for the swinging support of the solid-liquid separation means;

It is made, including.

The auxiliary eccentric ring plate of the swinging auxiliary driving means is arranged in the middle of the screw, characterized in that part is coupled to the spiral blade of the screw and part is coupled to the adjacent spiral blade.

The connecting member of the swing ring auxiliary driving means is characterized in that it comprises a connecting bar for connecting the two auxiliary driven ring plate, and a roller provided on the outer peripheral surface of the connecting bar.

Auxiliary driven ring plate of the swing ring auxiliary drive means is a ring shape, characterized in that the connecting member and the support bar are arranged in an alternatingly maintained state.

The connecting member and the support bar is characterized in that each provided with three.

The support bar of the swing ring auxiliary driving means is located between the two auxiliary driven ring plates, the through insertion part, the annular part caught on each of the auxiliary driven ring plates, and the two auxiliary driven ring plates, and the through insertion part It characterized in that it comprises a spacer coupled to the outer peripheral surface.

Finally, the auxiliary eccentric ring plate of the swing ring auxiliary driving means is characterized in that two or more powders are combined to form one auxiliary eccentric ring plate.

Dewatering device is improved swing transfer performance according to the present invention,

In addition to the swing ring driving means, the swing ring auxiliary driving means is installed in the middle of the screw, so that the swing motion transmitted from the rotational force of the screw is transmitted to the support bar supporting the swing ring uniformly at both ends and the middle part.

In addition, by installing the swing ring auxiliary driving means in the middle of the screw to withstand the weight of the swing ring and the load of the sludge, there is an effect that can be applied to a large dewatering device according to the installation length of the fixed ring and swing ring .

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a view showing a dewatering device according to the present invention, Figure 2 is a view showing a swing ring driving means of the dewatering device according to the invention, Figure 3 shows a swing ring auxiliary driving means of the dewatering device according to the present invention Figure 4 is a view showing the solid-liquid separation means of the dewatering device according to the present invention, Figure 5 is a perspective view showing a swing ring driving means of the dewatering device according to the present invention, Figure 6 is a dewatering device of the present invention A perspective view showing the swing ring auxiliary driving means, Figure 7 is a view showing a coupling state of the auxiliary eccentric ring plate and the screw of the dewatering device according to the present invention.

As shown in Figure 1 to 7, the dewatering device is improved swing transfer performance according to the present invention,

It is divided into separation tank, solid-liquid separation means, screw, motor, swing ring drive means and swing ring auxiliary drive means.

One) Separator 10

Made of materials such as stainless steel,

The sludge inlet 11 on one side and the solid discharge portion 12 on the other side and at the same time it is made by installing a support plate 13 on the inside.

2) solid-liquid separation means (20)

A plurality of fixing rings 21 and circular swing rings 22 made of stainless steel or hard synthetic resin, so that the fixing ring 21 has a hole 21a having a diameter that does not interfere when the screw 30 will be described later. Is formed, and the through-hole 22a having a diameter slightly larger than the through-hole 21a of the fixed ring 21 is formed in the swing ring 22, and each of the fixed ring 21 and the swing ring 22 The screw 30 mentioned later through the through-holes 21a and 22a is installed.

At this time, the swing ring 22 is inserted to be able to flow (swing) at a predetermined interval formed between the fixing ring 21,

The plurality of fixing rings 21 and the plurality of swing rings 22 are arranged alternately with each other, that is, the swing ring 22 is arranged between the plurality of fixing rings 21.

Therefore, when inserting the swing ring 22 so as to flow between the fixed ring 21 as described above, the thickness is formed smaller than the gap between the fixed ring 21 to the fixed ring 21 and the swing ring A microgap is formed between (22) so that water is discharged to the outside through the microgap.

Here, the fixing ring 21 has three edges, that is, a fixing piece 21b through which the fixing bar 23 is connected to be formed so as to form an equilateral triangle, and the fixing piece of the adjacent fixing ring 21 is formed. Between the 21b) a spacer 21c is further provided and inserted into the fixing bar 23. Therefore, the spacer 21c forms a small gap with the swing ring 22 interposed in the fixing ring 21. The fixing bar 23 penetrated through the fixing piece 21b of the fixing ring 21 is fixedly installed on the support plate 13 of the separating tank 10. At this time, the fixing bar 23 is installed so as not to interfere with the swing ring 22.

And, according to the installation quantity of the fixing ring 21 and the swing ring 22 in the separation tank 10,

For example, when a small number of the fixing ring 21 and the swing ring 22 is installed, that is, when configuring a small dewatering device,

The fixing bar 23 may be made of a single body,

When a plurality of the fixing ring 21 and the swing ring 22 is installed, that is, when configuring a large dewatering device,

The fixing bar 23 may be composed of a fixing bar 23 made of a single body, such as the compact dewatering device,

The fixing ring 21 and the swing ring 22 may be divided into a plurality of powders to facilitate the removal.

3) screw (30)

To be built through the through-holes 21a, 22a of the fixing ring 21 and the swing ring 22,

With the shaft 31,

The spiral blade 32 is formed on the outer circumferential surface of the shaft 31.

At this time, both ends of the shaft 31 are supported on both sides of the separation tank 10, and the sludge supplied to the sludge supply unit 11 of the separation tank 10 is transferred to the solid content discharge part 12 side, while sludge Press to separate the water, and the solids are discharged to the solids discharge portion 12, the pressure control plate 33 is installed on the solids discharge portion 12 side of the shaft 31 to adjust the discharge pressure of the solids. do.

4) motor (40)

As a reducer motor connected to the shaft 31 of the screw 30 to decelerate the screw 30,

Motor shaft (not shown),

A drive gear (not shown) built in the motor shaft;

Reduction gears (not shown) engaged with the drive gear,

Is made of.

At this time, a driven gear (not shown) is installed in the screw 30 to be engaged with the reduction gear.

Such a gear structure is an example,

Motor shaft (not shown),

A drive sprocket (not shown) built in the motor shaft;

A driven sprocket (not shown) built in the screw 30,

A chain (not shown) connecting the driving sprocket and the driven sprocket,

It can also be produced as a sprocket structure consisting of,

It is possible to produce a pulley structure that replaces the driving sprocket and the driven sprocket, and the pulley is connected to the belt.

Therefore, the driving means for turning the screw 30 is capable of various modifications and changes, it will not be limited to the example of the present invention.

5) Swing ring  Drive means 50

-Eccentric Plate (51)

It is made of a circular shape eccentrically coupled to the shaft 31 of the screw 30,

A fixing hub 51a for fixing the eccentric plate 51 is installed between the eccentric plate 51 and the shaft 31 of the screw 30.

-Driven ring plate (52)

In a ring shape, it is arranged on both sides of the eccentric plate 51.

-Relay member (53)

The two driven ring plate 52 is connected and made in contact with the eccentric plate 51 to receive a swing movement,

A connecting bar 53a connecting the two driven ring plates 52;

It comprises a roller (53b) provided on the outer peripheral surface of the connecting bar (53a).

At this time, in order to allow the roller 53b to receive and swing the swing movement of the eccentric plate 51 in contact with the roller 53b,

The roller 53b should be installed so as not to interfere with the inner surfaces of the two driven ring plates 52.

Therefore, a member must be provided such that the side ends of the rollers 53b interposed between the two driven ring plates 52 do not directly contact the inner ends of the two driven ring plates 52.

To this end, an interference preventing nut (not shown) is installed at an inner end of the two driven ring plates 52 (a center region through which the connection bar 53a penetrates) by fixing means (such as welding or bolting), and After the connecting bar 53a penetrates the interference preventing nut of one of the driven ring plates 52, the roller 53b is fitted and again passes through the interference preventing nut of the other driven ring plate 52. By using a fastening nut, or by riveting, the roller 53b can be installed.

The roller 53b interposed between the two driven ring plates 52 as described above enables a smooth rolling of various configurations and modifications, and is not limited to the examples of the present invention.

-Support bar (54)

The two driven ring plate 52 is connected through and consists of a plurality of pieces for supporting the swing ring 22 of the solid-liquid separation means 20,

Through-insertion portion (54a) is inserted through the two driven ring plate 52,

A bolt 54b formed at an end of the through insertion portion 54a;

A rounded jaw portion 54c that is caught by the inner driven ring plate 52,

A nut 54d in contact with the outer driven ring plate 52 and coupled to the bolt 54b, and

Located between the two driven ring plate 52, a spacer (54e) coupled to the outer peripheral surface of the through inserting portion (54a),

It is made, including.

The spacer 54e supports the two driven ring plates 52 and guides the rollers 53b interposed between the two driven ring plates 52 to enable smooth rolling.

On the other hand, the relay member 53 and the support bar 54 are alternately arranged to maintain a conformal state.

In addition, the relay member 53 and the support bar 54 are each provided with three. That is, in the present invention, the relay member 53 forms a forward triangular composition, and the support bar 54 forms a reverse triangular composition.

6) Swing ring  Auxiliary drive means (60)

In addition to the swing ring driving means (50) to help the swing movement of the swing ring 22, and also to support and arranged in the middle of the screw 30 to withstand the weight of the swing ring 22 and sludge It is

An auxiliary eccentric ring plate 61 arranged in the middle of the screw 30 and partly coupled to the spiral blade 32 of the screw 30 and partly coupled to the adjacent spiral blade 32;

An auxiliary driven ring plate 62 arranged at both sides of the auxiliary eccentric ring plate 61 and connected to the swing ring 22;

It comprises a plurality of connecting members 63 for connecting the two auxiliary driven ring plate 62 and in contact with the auxiliary eccentric ring plate 61 to receive a swing movement.

Here, referring to FIG. 7, the auxiliary eccentric ring plate 61 is partially coupled to the helical blade 32 of the screw 30, and partially coupled to the adjacent spiral blade 32. By having a supporting member (S) for connecting and fixing the side of the spiral blade 32 adjacent to the side of 61, it is possible to increase the rigidity by enabling a more robust configuration.

The connecting member 63,

A connecting bar 63a connecting the two auxiliary driven ring plates 62;

Roller 63b provided on the outer circumferential surface of the connecting bar 63a,

It is made, including. At this time, the connecting member 63 is installed in the same configuration and method as the relay member 53 of the swing ring driving means (50).

On the other hand, the auxiliary driven ring plate 62 of the swing ring auxiliary drive means 60 is a ring shape,

The connecting member 63 and the support bar 54 are alternately arranged in a state of maintaining a conformal angle.

In addition, the connecting member 63 and the support bar 54 are each provided with three. That is, the connection member 63 forms an equilateral triangle composition in the same manner as the relay member 53.

On the other hand, through the support bar 54 made of a single body through the auxiliary driven ring plate 62 of the swing ring auxiliary drive means 60 or installed,

The support bar 54 is provided between the driven ring plate 52 and the auxiliary driven ring plate 62 of the swing ring driving means 50, respectively,

To facilitate the installation of the two secondary driven ring plate 62,

At this time, a spacer 64 is further provided between the two auxiliary driven ring plates 62.

On the other hand, the auxiliary eccentric ring plate 61 of the swing ring auxiliary drive means 60

Two or more powders (61A, 61b) are combined to form one auxiliary eccentric ring plate 61, when installed in the screw 30, is inserted from one end of the screw 30, rather than being positioned in the middle It can be installed in the middle of the screw (30).

The two or more powders 61A and 61B may be coupled to each other using a separate fastening means (not shown).

With the configuration as described above, look at the operation state for the dehydration device improved the present invention swing motion transfer performance as follows.

Coagulant and the like are mixed in advance in the sludge supply unit 11 of the separation tank 10 to supply sludge in a floc state, and the screw 30 is rotated by the motor 40 to discharge the sludge. Water is discharged through the microgap formed between the screw 30, the fixed ring 21 and the swing ring 22 when transferred to the part 12 side, the discharged water is transferred to the treatment plant, etc., the solid content is dehydrated The furnace is discharged through the solid discharge part 12 to be treated by drying, incineration, landfilling, and the like.

When the solids are separated from the sludge as described above, a part of the solids enters into the microgap between the fixing ring 21 and the swing ring 22 and the solids entered into the microgap are fixed to the shaft 31 of the screw 30. An auxiliary eccentric ring plate 61 fixed to an eccentric plate 51 and a spiral blade 32 of the screw 30 and a portion of the adjacent spiral blade 32 is interlocked with the shaft 31 of the screw 30. Rotate,

The swing (swing movement) is made in accordance with the rotation of the eccentric plate 51 and the auxiliary eccentric ring plate 61,

Each of the driven ring plate 52 and the auxiliary driven ring plate 62 having the rollers 53b and 63b in contact with the eccentric plate 51 and the auxiliary eccentric ring plate 61 is connected to the eccentric plate 51 and the auxiliary. By interlocking along the contour of the eccentric ring plate 61,

The support bar 54 is fixed to both the eccentric plate 51 and the auxiliary eccentric ring plate 61 at equally spaced intervals in the concentric circle.

The swing ring 22 whose outer circumferential surface is constrained and supported by the support bar 54 is swung in the same manner as the contours of the eccentric plate 51 and the auxiliary eccentric ring plate 61 so that the solid content that enters the micro gap is automatically cleaned and the micro gap is formed. Will be played.

At this time, the outer diameter of the swing ring 22 is configured to be larger than the outer diameter of the fixed ring 21,

During the rocking motion, the support bar 54 tightly fixed to the outer circumferential surface of the swing ring should not be in contact with the outer circumferential surface of the fixing ring 21, that is, it should not be interfered with.

On the other hand, the operating point for driving the support bar 54 is close to the support bar 54, that is, the distance between the eccentric plate 51 and the auxiliary eccentric ring plate 61 and the support bar 54 is close to the eccentric Even if the force 51 in the rotation direction of the plate 51 and the auxiliary eccentric ring plate 61 is reduced, a large force F2 for moving the support bar 54 can be obtained, and smooth driving is achieved.

In addition, the eccentric plate 51 and the auxiliary eccentric ring plate 61 is to transfer the swing motion to each driven ring plate 52 and the auxiliary driven ring plate 62 arranged on both sides,

The support bar 54 is arranged on the two driven ring plate 52 and the two auxiliary driven ring plate 62, that is, arranged in two layers,

The rigidity not obtained in the dehydration device composed of a single driving plate coupled to the conventional cam, and the swing movement transmission performance to the swing ring can be obtained an enhanced effect.

Therefore, the swing ring auxiliary driving means 60 is appropriately disposed according to the installation length of the fixing ring 21 and the swing ring 22 installed in the separation tank 10 and pivoted by the motor 40. By driving the respective driving means (50, 60) coupled to the screw (30),

That is, the swing motion of the swing ring driving means 50 coupled to the screw 30 directly connected to the motor 40,

Swing motion of the swing ring auxiliary drive means 60 coupled to the middle of the screw 30,

The swing movement of the swing ring driving means 50 coupled to the end of the screw 30 is made is a large model that requires high performance dehydration length (if the fixed length of the fixed ring 21 and the swing ring 22 is long) Will be applicable to.

In the above description of the present invention with reference to the accompanying drawings, a specific shape and structure having a "dewatering device with improved swing motion transmission performance" has been described mainly, but the present invention can be variously modified and changed by those skilled in the art, such variations And modifications should be construed as falling within the protection scope of the present invention.

1 is a view showing a dehydration apparatus according to the present invention,

2 is a view showing a swing ring driving means of the dewatering apparatus according to the present invention,

3 is a view showing the swing ring auxiliary driving means of the dewatering device according to the present invention,

Figure 4 is a view showing the solid-liquid separation means of the dewatering device according to the present invention,

5 is a perspective view showing a swing ring driving means of the dewatering apparatus according to the present invention,

Figure 6 is a perspective view showing a swing ring auxiliary drive means of the dewatering apparatus according to the present invention,

7 is a view showing a coupling state of the auxiliary eccentric ring plate and the screw of the dewatering device according to the present invention.

<Description of Symbols for Main Parts of Drawings>

10: separation tank

11: sludge inlet 12: solids discharge

13: support plate

20: solid-liquid separation means

21: retaining ring 22: swing ring

23: fixed bar

30: screw

31: shaft 32: spiral wings

40: motor

50: swing ring driving means

51: eccentric plate 52: driven ring plate

53: relay member

53a: connection bar 53b: roller

54: support bar

54a: through hole 54b: bolt

54c: round jaw 54d: nut

55e: spacer

60: swing ring auxiliary drive means

61: auxiliary eccentric ring plate 62: auxiliary driven ring plate

63: connecting member

63a: connection bar 63b: roller

61A, 61B: Powder

64: spacer

Claims (7)

A separation tank having a sludge inlet and a solids discharge; Solid-liquid separation means including a plurality of fixing rings arranged in the separation tank and a plurality of swing rings arranged between the fixing rings; A screw constructed through the fixing ring and the swing ring of the solid-liquid separation means; A motor for pivoting the screw; And An auxiliary eccentric ring plate arranged in the middle of the screw, Auxiliary driven ring plates arranged at both sides of the auxiliary eccentric ring plate, A plurality of connecting members connecting the two auxiliary driven ring plates and receiving swing motions in contact with the auxiliary eccentric ring plates; Swinging auxiliary driving means for connecting the two auxiliary driven ring plate and a plurality of support bars for the swinging support of the solid-liquid separation means; Dehydration device improved swing transmission performance was made, including. According to claim 1, wherein the auxiliary eccentric ring plate of the swing ring auxiliary drive means The dewatering device with improved swing motion transfer performance, characterized in that arranged in the middle of the screw is part coupled to the spiral blade of the screw and part is coupled to the adjacent spiral blade. The method of claim 1, wherein the connection member of the swing ring auxiliary drive means A connecting bar connecting the two auxiliary driven ring plates; Rollers provided on the outer peripheral surface of the connecting bar, Swing dehydration device is improved transmission performance, characterized in that it comprises a. The method according to any one of claims 1 to 3, Auxiliary driven ring plate of the swing ring auxiliary drive means has a ring shape, The connection member and the support bar is a dewatering device with improved swing movement transmission performance, characterized in that arranged in a state that maintains an alternating angle. The method of claim 4, wherein The connection member and the support bar is a dewatering device with improved swing movement transmission performance, characterized in that each provided with three. The method according to any one of claims 1 to 3, The support bar of the swing ring auxiliary drive means A penetration insert in the two auxiliary driven ring plates, A round jaw portion that is caught on the outside of each auxiliary driven ring plate; Located between the two secondary driven ring plate, the spacer coupled to the outer peripheral surface of the through insert, Swing dehydration device is improved transmission performance, characterized in that made, including. The method according to any one of claims 1 to 3, The auxiliary eccentric ring plate of the swing ring auxiliary driving means Dewatering device with improved swing motion transfer performance, characterized in that two or more powders are combined to form one auxiliary eccentric ring plate.

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