KR20160027612A - A candle type apparatus for filtering ballast water by using cam - Google Patents
A candle type apparatus for filtering ballast water by using cam Download PDFInfo
- Publication number
- KR20160027612A KR20160027612A KR1020140115710A KR20140115710A KR20160027612A KR 20160027612 A KR20160027612 A KR 20160027612A KR 1020140115710 A KR1020140115710 A KR 1020140115710A KR 20140115710 A KR20140115710 A KR 20140115710A KR 20160027612 A KR20160027612 A KR 20160027612A
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- South Korea
- Prior art keywords
- housing
- unit
- ballast water
- rotating
- drive shaft
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 242
- 238000001914 filtration Methods 0.000 title claims abstract description 166
- 238000011001 backwashing Methods 0.000 claims abstract description 56
- 238000005406 washing Methods 0.000 claims abstract description 21
- 239000000126 substance Substances 0.000 claims abstract description 10
- 238000011010 flushing procedure Methods 0.000 claims description 118
- 238000000034 method Methods 0.000 claims description 46
- 238000003825 pressing Methods 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 21
- 238000003780 insertion Methods 0.000 claims description 17
- 230000037431 insertion Effects 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
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- 230000008569 process Effects 0.000 description 12
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- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 5
- 239000013535 sea water Substances 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B13/00—Conduits for emptying or ballasting; Self-bailing equipment; Scuppers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J4/00—Arrangements of installations for treating ballast water, waste water, sewage, sludge, or refuse, or for preventing environmental pollution not otherwise provided for
Abstract
The present invention relates to a ballast water filtering apparatus comprising: a housing having an inlet portion and an outlet portion through which ballast water of a ship can flow in and out and is divided into an upper housing upper portion and a lower housing lower portion by a lower plate; A filter unit for filtering the ballast water flowing through the filter unit, and an automatic washing unit for washing the foreign substances adhered to the filter unit, wherein the automatic washing unit includes a foreign matter- And a driving unit mechanically located at a lower portion of the housing for rotating the suction unit, wherein the driving unit includes a power unit for generating power, a power unit for receiving power from the power unit, And control means for mechanically controlling and performing backwashing, The rotational distance of the suction unit can be accurately controlled by rotating the mechanical unit using a cam system without transmitting the rotational force of the power unit as it is. By controlling the stop state and the rotation state appropriately through the control unit, Type ballast water filtration apparatus having improved efficiency.
Description
The present invention relates to a ballast water filtering apparatus comprising: a housing having an inlet portion and an outlet portion through which ballast water of a ship can flow in and out and is divided into an upper housing upper portion and a lower housing lower portion by a lower plate; A filter unit for filtering the ballast water flowing through the filter unit, and an automatic washing unit for washing the foreign substances adhered to the filter unit, wherein the automatic washing unit includes a foreign matter- And a driving unit mechanically located at a lower portion of the housing for rotating the suction unit, wherein the driving unit includes a power unit for generating power, a power unit for receiving power from the power unit, And control means for mechanically controlling and performing backwashing, The rotational distance of the suction unit can be accurately controlled by rotating the mechanical unit using a cam system without transmitting the rotational force of the power unit as it is. By controlling the stop state and the rotation state appropriately through the control unit, Type ballast water filtration apparatus having improved efficiency.
Ballast water means seawater filled in a vessel to maintain the balance of the ship when the vessel is stationed at a specific port and unloaded or unloaded. If a vessel filled with ballast water is stationed at a port in another country and discharges its load, ballast water on board must be discharged to the port of the country. At this time, the marine species in the seawater used as ballast water . Therefore, treatment of ballast water in ships is required prior to discharging ballast water to other countries.
FIG. 1 is a cross-sectional view of a ballast water filtration treatment apparatus (hereinafter referred to as a conventional ballast water filtration apparatus) for discharging backwash water through a lower portion of a filtration apparatus among ballast water filtration apparatuses using a conventional filter.
(Patent Literature) No. 10-1287090 (Registered on Jul. 11, 2013) "High-efficiency candle-type ballast water filtration apparatus with high-
1, a conventional ballast water filtration apparatus is provided with a
However, in the conventional ballast water filtering apparatus, when used as a filtration apparatus for an oil tank, only the solid material is filtered and adhered to the filter. Therefore, when backwashing due to differential pressure, So that the filtration efficiency can be improved. However, when it is used as a marine ballast water filtration device, materials such as microorganisms and jellyfish in seawater are very viscous, so it is difficult to be easily separated and removed by differential pressure when they are attached to filter pores. The efficiency of the apparatus is significantly reduced.
Particularly, the
Since the filtration apparatus seats the
In addition, although the ship is very vigorous due to the waves, the
Since the
SUMMARY OF THE INVENTION The present invention has been made to solve the above problems,
It is an object of the present invention to provide a flushing arm which is rotated by a mechanical method using a cam mechanism without transmitting the rotational force of the power means directly to the flushing arm when the flushing arm rotates between filter elements disposed on a concentric path, Type ballast water filtration apparatus capable of accurately controlling the rotation distance of the flushing arm.
An object of the present invention is to provide an electric power steering apparatus which includes a rotating shaft for receiving a driving force from a power means and a rotating body rotating in conjunction with the rotating shaft to rotate the rotating body in synchronism with the flushing arm, Type ballast water filtration device capable of precisely controlling the rotation distance of the flushing arm by causing the rotating body and the flushing arm to rotate synchronously so that the angle of rotation of the flushing arm is the same.
It is an object of the present invention to provide a washing machine capable of effectively performing backwashing by making the time when the angle formed by the straight surface of the rotary blade with the center of the rotary shaft is larger than the angle formed by the inclined surface with the center of the rotary shaft, Type ballast water filtration device that can be used in a ballast water filtration system.
SUMMARY OF THE INVENTION It is an object of the present invention to provide a candle-type ballast water filtering apparatus capable of accurately and stably rotating a rotating body by forming at least two or more rotating blades.
An object of the present invention is to provide a candle type ballast water filtration device which allows an operator to select an optimal control means according to the number of divisions of the rotating body, the thickness of the rotating shaft, the working environment, etc., .
The first driving shaft is connected to the first driving shaft and the second driving shaft is connected to the first driving shaft at the lower part of the housing. And a second drive shaft for connecting the first drive shaft and the second drive shaft to each other so that the rotational force of the drive unit is transferred to the suction unit even if the centers of the first drive shaft and the second drive shaft do not perfectly coincide with each other Type ballast water filtration device.
SUMMARY OF THE INVENTION An object of the present invention is to provide a candle-type ballast water filtration apparatus that improves airtightness through an automatic washing unit including an airtight portion so that backwash water of the suction unit does not leak to the outside of the housing along the driving shaft.
An object of the present invention is to provide a mechanical seal which includes a rotor fixed to the drive shaft and rotated together with the drive shaft, and a stator fixed to a bottom plate of the housing and configured to rotate with the rotor, Type ballast water filtration apparatus, wherein the back-washing water is not leaked even when the drive shaft rotates, the interference surface being in close contact with the rotating shaft.
It is an object of the present invention to provide a hermetically sealed container which is housed in such a manner that a mechanical seal constituting an upper side of the hermetic section is supported by a support jaw of the drive shaft, and a lock member constituting a lower side of the hermetic section is seated on a lower cover fixed to the housing, Type ballast water filtering apparatus in which the airtight portion and the drive shaft are fixed so as not to deviate from the predetermined position.
An object of the present invention is to provide a candle-type ballast water filtration device including a discharge pipe sealing member for preventing backwash water from leaking at a position where the discharge portion is connected to the suction portion.
An object of the present invention is to provide a washing machine including a bushing at a connection position between the driving shaft and the suction unit to prevent backwash water flowing into the suction unit from interfering with the rotation of the driving shaft, And to provide a ballast water filtration device.
An object of the present invention is to provide a filter unit that is fixed by an engagement protrusion formed on the upper side of the housing on the upper side and fixed by a pressure contact protrusion formed on the lower side by protruding inward of the housing to press the side surface of the filter unit, Type ballast water filtration apparatus which can withstand a low vibration and can be firmly fixed in the housing and can be easily coupled to a predetermined position when the filter unit is assembled.
It is an object of the present invention to provide a position setting hole on the upper side of the filter portion and insert a positioning mechanism through the positioning hole to set the position so that the filter element and the flushing arm are correctly communicated, Type ballast water filtration apparatus.
An object of the present invention is to provide a cushioning portion having an elastic force capable of relieving vibrations transmitted to the filter portion at a position where the filter portion abuts against the housing cover to prevent the filter portion from being broken or deviated from a fixed position due to vibration and impact Type ballast water filtration device that can be used in a ballast water filtration system.
The object of the present invention is to provide a mesh net for filtering raw water in a frame formed by a cross member of a cross member and a vertical member intersecting the filter element easily and firmly fixed to an upper cap and a lower cap, Device.
It is an object of the present invention to provide a candle-type ballast water filtration device capable of preventing corrosion of dissimilar metals at a portion where the frame is combined with an upper plate, a lower plate, or other components by injection- .
An object of the present invention is to provide a motorcycle comprising a lower cover lower portion coupled to the housing at a lower side of the housing and having a predetermined area around a portion where the drive shaft is inserted through the housing, Type ballast water filtration apparatus including a lower core positioned below the housing, wherein the airtight portion and the drive shaft can be easily positioned and not deviated from a predetermined position.
The object of the present invention is to provide a candle-type ballast watercraft capable of easily assembling and repairing the filtration device by forming a suction portion that is seated inside the housing and a discharge portion that is inserted through the inside of the housing from outside, And a filtration device.
An object of the present invention is to provide a candle-type ballast water filtration apparatus that is easy to position and assemble by allowing the filter unit to be seated on the latching jaw on the upper side of the housing, and is easy to disassemble upon repair.
In order to achieve the above-mentioned object, the present invention includes the following configuration.
A filtration apparatus according to an embodiment of the present invention includes a housing having an inlet portion and an outlet portion through which the ballast water of a ship can flow in and out and is divided into an upper portion of the upper housing and a lower portion of the lower housing by the lower plate, The filter unit is disposed along a concentric circular path around the driving shaft of the driving unit, and performs filtration and backwashing. The filter unit includes a filter unit for filtering the ballast water flowing through the filter unit, and an automatic washing unit for washing foreign substances adhered to the filter unit. Wherein the automatic washing unit comprises a suction unit for sucking backwash water which is located below the housing and includes a foreign material adhered to the filter unit, A suction unit for sucking the one side of the suction unit, The wash water is characterized in that it includes discharge portions for discharging to the outside of the housing.
In the filtration apparatus according to an embodiment of the present invention, the lower plate includes an inlet hole formed in a plurality of through holes along a path of a concentric circle so that the filter element can be seated, And at least one flushing arm communicating with each of the filter elements on the concentric circular path of the filter part while rotating around the center of the filter part to receive the backwash water, wherein when the flushing arm is in communication with the lower side of the inflow hole and the filter element, The foreign matter adhered to the filter element is backwashed.
In the filtration apparatus according to an embodiment of the present invention, the driving unit includes a power unit for generating power, and a control unit for mechanically controlling the rotation of the suction unit by receiving power from the power unit to perform backwashing .
In the filtration apparatus according to an embodiment of the present invention, the control means includes a rotating shaft for receiving power from the power means, and a rotating body rotating in association with the rotating shaft, wherein the rotating body is connected to the suction portion And the rotating body and the suction unit rotate in synchronization with each other.
In the filtration apparatus according to an embodiment of the present invention, the rotating body includes a rotating bar divided into a plurality of portions at a predetermined angle around the circumference, and an angle between neighboring rotating bars And is substantially the same as the angle.
In the filtration apparatus according to an embodiment of the present invention, the control means includes a rotating blade formed along a predetermined circumference of a rotating shaft, and the rotating blade is sandwiched between neighboring rotating bars to transmit the rotational force of the rotating shaft to the rotating body And rotates the rotating body.
In the filtration apparatus according to an embodiment of the present invention, the rotary vane may include a straight surface formed in a direction perpendicular to the center of the rotary shaft and an inclined surface inclined at a center of the rotary shaft. When the rotary bar is in contact with the straight surface, The rotating body is in a rotating state when the rotating body is in a stopped state and is in contact with the inclined surface, and when the rotating body is in a stopped state, the flushing arm of the suction portion covers the inflow hole to cause backwashing.
In the filtration apparatus according to an embodiment of the present invention, the angle formed between the straight surface of the rotary vane and the center of the rotary shaft is larger than the angle formed between the slanted surface and the center of the rotary shaft.
In the filtration apparatus according to an embodiment of the present invention, at least two or more rotating blades are formed on a rotating shaft, and the rotating bar is sandwiched between neighboring rotating blades to allow accurate and stable rotation. do.
In the filtration apparatus according to an embodiment of the present invention, the rotary blade is formed in a shape in which a thin flat plate having a certain thickness is spirally wound around the rotary shaft, and two inclined surfaces are formed when the rotary blade winds the rotary shaft And each of the inclined surfaces is continuously formed so as to face the rotation axis.
In the filtration apparatus according to an embodiment of the present invention, each of the rotary blades is formed of one sloped surface and one linear surface on 360 degrees of the rotary shaft, and has a cut-off area between neighboring rotary blades, So that the rotating bar can pass through without interference.
In the filtration apparatus according to an embodiment of the present invention, when the rotating body is guided by the inclined surface and is rotated by a distance of a unit, the suction unit connected to the rotating plate and the driving shaft rotates by a distance over one end, And the arm rotates so as to communicate with the other inflow hole adjacent to the inflow hole in the inflow hole.
In the filtration apparatus according to an embodiment of the present invention, the driving unit includes a driving shaft connected to the suction unit and transmitting power generated by the driving unit to the suction unit.
In the filtration apparatus according to an embodiment of the present invention, the drive shaft includes a first drive shaft passing from the outside of the housing to the inside of the housing, and a second drive shaft having one side connected to the first drive shaft, And a second drive shaft connected to the suction unit.
In the filtration apparatus according to an embodiment of the present invention, the drive shaft includes an inter-shaft coupling member connecting the first drive shaft and the second drive shaft, and the center of the first drive shaft and the second drive shaft are perfectly aligned The driving force of the driving unit can be transmitted to the suction unit.
In the filtration apparatus according to an embodiment of the present invention, the automatic cleaning unit may include a hermetic portion that prevents backwash water of the suction unit from leaking to the lower portion of the lower cover or the lower portion of the lower cover along the drive shaft.
In the filtration apparatus according to an embodiment of the present invention, the hermetic portion includes a support plate positioned between the drive shaft and the upper portion of the lower cover to prevent backwash water from leaking from the upper portion of the lower cover, And a lower cover lower portion which is coupled to cover the upper portion of the lower cover from a lower side of the upper portion of the lower cover and a lower portion of the lower cover, And a lower core disposed between the lower plate and the lower plate and supporting the support plate.
In the filtration apparatus according to an embodiment of the present invention, the hermetic portion may include a mechanical seal for preventing the backwash water from leaking from the coupling portion between the drive shaft and the support plate, And a lock member coupled to the drive shaft and positioned between the lower core and the support plate.
The driving shaft includes a driving shaft having a large diameter and a supporting jaw for connecting a driving shaft having a small diameter close to a right angle at a right angle, Wherein the upper surface of the micricallycleaning seal is held in abutting contact with the support jaw, and the lock member is held in contact with the seating groove And the airtight portion and the drive shaft are fixed so as not to deviate from the predetermined position.
The suction unit may include at least one flushing arm connected to each filter element on the concentric circulation path of the filter unit by rotation of the driving shaft by the driving unit to receive the backwash water, A flushing body communicating with the flushing arm and passing the backwash water sucked through the flushing arm and being fixed to the driving shaft to transmit the rotational force of the driving shaft to the flushing arm; And a bushing coupled to an upper side of the inlet pipe to prevent rotational force of the driving shaft and the flushing body from being transmitted to the inlet pipe. .
The bushing includes a bushing body having an outer circumferential surface abutting against the inner circumferential surface of the drawing tube and an inner circumferential surface abutting the outer circumferential surface of the flushing arm, Wherein the inlet pipe includes grooves for receiving the protrusions at angles equal to the angle of the protrusions so that the bushings do not rotate due to the combination of the protrusions and the grooves.
In the filtration apparatus according to an embodiment of the present invention, the housing includes a housing body that constitutes the entire outer shape of the housing, protects the internal equipment, and stores ballast water, and the housing body has an upper plate, And a pressure contact protrusion formed on the inner wall surface of the housing body and pressing the side surface of the lower plate so as to be positioned inside the housing body, And the filter portion can be firmly fixed in the correct position.
In the filtration apparatus according to an embodiment of the present invention, the lower plate includes a receiving groove recessed in a circumferential direction on a side contacting the housing, and a lower plate sealing member is fitted into the receiving groove, And the raw water stored in the lower portion of the housing are not mixed.
The filter unit may include an upper plate coupled to an upper side of the filter element and preventing the filtered water stored in the upper portion of the housing from being exposed to the outside of the housing, Wherein the lower plate includes a plurality of inlet holes formed along a path of the concentric circle so that the filter element can be seated, and the suction unit is connected to the driving unit And at least one flushing arm communicating with each of the filter elements on a concentric circular path of the filter unit while rotating around the drive shaft to receive backwash water, wherein the upper plate passes through the upper plate at the same position as the inflow hole of the lower plate A plurality of filter elements, And a part of the insertion hole is formed larger than the remaining insertion hole and is covered with a lid.
The filtering apparatus according to an embodiment of the present invention separates the cover from the position setting hole and inserts the positioning mechanism so that the flushing arm and the inlet hole and the filter element are matched to each other, .
In the filtration apparatus according to an embodiment of the present invention, the housing includes a housing cover that covers the upper side of the housing to be shielded from the outside, and the filter unit is coupled with the upper side of the filter element, And a cushioning portion fixed to the upper plate and mitigating vibrations transmitted from the housing cover to the filter portion.
In the filtration apparatus according to an embodiment of the present invention, the cushioning portion may include a pressing member which is in direct contact with the lower surface of the housing cover, an elastic means which receives the head and absorbs the vibration transmitted by the pressing member, And a support member for receiving the member and the elastic means and fixing the buffer to the upper plate.
The filter device according to an embodiment of the present invention is characterized in that the filter element includes a frame formed into a cylindrical shape by intersecting a plurality of crosspieces and a plurality of longitudinal members, an upper cap fitted on the upper side of the frame and coupled to the upper plate, And a mesh net which is fixed in a state surrounding the frame by the upper and lower caps and filters raw water flowing in from the inflow hole of the lower plate, .
In the filtration apparatus according to an embodiment of the present invention, the frame is formed by injection molding using a plastic material.
In the filtration apparatus according to an embodiment of the present invention, the automatic cleaning unit may include an airtight portion to prevent the backwash water of the suction portion from leaking to the lower portion of the lower cover or the lower portion of the lower cover along the drive shaft, A lower cover lower portion coupled to the housing at a lower side of the housing, the lower cover lower portion having a predetermined area centered around a portion inserted through the housing, the lower cover lower portion being located below the lower portion of the housing, And a lower core for preventing the airtight portion and the drive shaft from being easily displaced from the fixed position.
In the filtration apparatus according to an embodiment of the present invention, the suction unit includes a connection pipe that is a conduit protruding from the suction unit to guide the backwash water flowing from the filter unit to the discharge unit, And a discharge pipe connected to the connection pipe and discharging the backwash water to the outside of the housing, wherein the discharge pipe is coupled to the suction unit after the suction unit is inserted into the housing.
In the filtration apparatus according to an embodiment of the present invention, the housing includes a housing body that constitutes the entire outer shape of the housing, protects the internal equipment, and stores ballast water, and the housing body has an upper plate, And a pressure contact protrusion protruding from an inner wall surface of the housing body to press a side surface of the lower plate so that the filter body is pressed against the inner surface of the housing body, So that the filter unit can be positioned and coupled easily by securing the filter unit to the engaging jaw and fixing the pressure plate so that the pressure contact protrusion presses the lower plate.
The present invention can obtain the following effects by the above-described embodiment, the constitution described below, the combination, and the use relationship.
The present invention is characterized in that when the flushing arm rotates between filter elements disposed on a concentric path, the rotating force of the power means is not transmitted to the flushing arm as it is, Type ballast water filtration device that can accurately control the rotation distance of the ballast water filtration device.
The present invention is characterized in that the driving unit includes a rotating shaft for receiving power from the power means and a rotating body rotating in conjunction with the rotating shaft to rotate the rotating body in synchronism with the flushing arm, There is an effect of providing a candle-type ballast water filtering apparatus capable of accurately controlling the rotation distance of the flushing arm by causing the rotating body and the flushing arm to rotate synchronously so that the angle of rotation of the flushing arm is the same.
The angle of the linear surface of the rotary blade with the center of the rotary shaft is larger than the angle formed by the inclined surface with the center of the rotary shaft so that the time when the rotary blade is stationary is made longer than the time when it is in the rotary state, Type ballast water filtration apparatus having the above-described structure.
The present invention has the effect of providing a candle-type ballast water filtering apparatus capable of accurately and stably rotating the rotating body by forming at least two or more of the rotating blades.
The present invention provides a candle-type ballast water filtration apparatus that allows an operator to select an optimum control means according to the number of divisions of a rotating body, the thickness of a rotating shaft, the working environment, etc., It is effective.
The present invention is characterized in that the drive shaft is connected to the rotation plate and is connected to the first drive shaft through the housing from the outside to the inside of the housing, 2 driving shaft and an inter-shaft coupling member connecting the first driving shaft and the second driving shaft so that the rotational force of the driving unit can be transmitted to the suction unit even if the centers of the first driving shaft and the second driving shaft do not perfectly coincide with each other There is an effect of providing a candle type ballast water filtration device.
The present invention provides a candle-type ballast water filtration apparatus that improves airtightness through an automatic washing unit including an airtight portion so that backwash water of the suction unit does not leak to the outside of the housing along the driving shaft.
The present invention may include a mechanical seal including a rotor fixed to the drive shaft and rotating together with the drive shaft, and a stator fixed to a bottom plate of the housing and configured to interfere with the rotor without rotating, Type ballast water filtration device, in which the plunging surface is in close contact even when the drive shaft rotates, and the backwash water is not leaked.
The present invention is characterized in that the mechanical seal constituting the upper side of the airtight portion is supported by the support jaw of the drive shaft and the lock member constituting the lower side of the airtight portion is received to be seated on the lower cover fixed to the housing, Type ballast water filtration device in which the driving shaft and the driving shaft are fixed so as not to deviate from the predetermined position.
The present invention provides a candle-type ballast water filtration apparatus including a discharge pipe sealing member for preventing backwash water from leaking at a position where the discharge unit is connected to the suction unit.
The present invention is characterized in that the backwash water flowing into the suction portion including the bushing at the connection position of the drive shaft and the suction portion and not flowing into the suction portion is not leaked to the connection portion between the suction portion and the drive shaft, There is an effect of providing a filtration device.
The present invention is characterized in that the filter unit is fixed by an engagement protrusion formed on the upper side of the housing on the upper side and fixed by a pressure contact protrusion formed on the lower side by protruding to the inside of the housing so as to press the side surface of the filter unit, Type ballast water filtering apparatus which can be fixed firmly in the housing and can be easily coupled to a predetermined position when the filter unit is assembled.
The present invention is characterized in that a positioning hole is formed on the upper side of the filter portion and a position setting mechanism is inserted through the positioning hole so that a position can be set so that the filter element and the flushing arm can be accurately communicated, There is an effect of providing a type ballast water filtration device.
The present invention is characterized in that it includes a buffer part having an elastic force capable of relieving the vibration transmitted to the filter part at a position where the filter part abuts against the housing cover so as to prevent the filter part from being broken or deviated from its fixed position due to vibration and impact Type ballast water filtration apparatus having the above-described structure.
A mesh net for filtering raw water in a frame formed by a cross member of a cross member and a vertical member intersecting the filter element is easily and firmly fixed to an upper cap and a lower cap so that a candle type ballast water filtration apparatus having high backwashing efficiency There is an effect to provide.
The present invention has an effect of providing a candle-type ballast water filtration device capable of preventing corrosion of dissimilar metals on a portion where the frame is joined with an upper plate, a lower plate, or other components by injection molding the frame with a plastic material .
The present invention is characterized by a lower cover lower portion which is coupled to the housing at a lower side of the housing while receiving the drive shaft and having a constant area around a portion where the drive shaft is inserted through the housing, Type ballast water filtration device that includes the lower core positioned below the hermetic portion and the drive shaft so that the hermetic portion and the drive shaft can be easily positioned and not deviated from the fixed position.
The present invention relates to a candle type ballast water filtration device capable of easily assembling and repairing the filtration device by forming a suction part to be seated in the housing and a discharge part to be inserted into the discharge part from the outside of the housing, .
The present invention has the effect of providing a candle-type ballast water filtration device which is easy to position and assemble by allowing the filter portion to be seated on the engagement jaw toward the upper side of the housing, and which is easy to disassemble upon repair.
1 is a cross-sectional view of a ballast water filtration apparatus using a conventional filter
Fig. 2 is a plan view showing the inner lower plate by cutting the lower part of the filtration apparatus of Fig.
Fig. 3 is a plan view showing a state in which the flushing arm of Fig. 2 is rotated
FIG. 4 is a cross-sectional view showing a process of overlapping the inflow hole of the lower plate and the suction space of the flushing arm for explaining a backwash process occurring when the flushing arm of FIG.
5 is a perspective view showing a candle type ballast water filtration apparatus according to the present invention.
Fig. 6 is a partially cutaway perspective view showing the inside of the filtration apparatus of Fig.
Fig. 7 is an exploded perspective view showing the filtration apparatus of Fig.
Fig. 8 is a cross-sectional view of the filtration apparatus of Fig. 5 taken along line AA
Fig. 9 is an enlarged view showing a portion B in Fig. 8
Fig. 10 is a plan view showing the control means of the driving unit of Fig.
Fig. 11 is a perspective view showing the rotary blade of Fig.
Fig. 12 is a perspective view showing another embodiment of the rotary blade of Fig. 9;
13 is a view for explaining a unit of rotation distance in the present invention
Fig. 14 is a graph showing a correlation between the rotational angle of the rotating shaft and the moving distance of the rotating body in Fig. 9
Fig. 15 is a perspective view showing the drive shaft of Fig.
Fig. 16 is a perspective view showing the bushing and inlet pipe of Fig.
17 is an enlarged view showing a portion C in Fig. 8
18 is an enlarged view showing a portion D in Fig.
19 is an enlarged view showing part E of Fig.
Fig. 20 is a perspective view showing the filter unit of Fig.
Figure 21 is a perspective view of the filter element of Figure 20;
Figure 22 is an exploded perspective view showing the filter element of Figure 20;
23 is a cross-sectional view taken along the vertical direction of the G and H portions of the filter element of Fig. 20
24 is a first reference drawing for explaining a method of using the position setting mechanism
25 is a second reference diagram for explaining a method of using the positioning mechanism
26 is an enlarged view showing a portion I in Fig. 25
Fig. 27 is an enlarged view showing a portion F in Fig. 8
Hereinafter, preferred embodiments of the candle type ballast water filtration apparatus according to the present invention will be described in detail with reference to the accompanying drawings. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. Unless defined otherwise, all terms used herein are the same as the general meaning of the term understood by those of ordinary skill in the art to which this invention belongs and, if conflict with the meaning of the terms used herein, And the definition used in the specification.
As described above, the present invention has the object and effect of improving the backwashing efficiency. In the present invention, the backwashing efficiency is such that the foreign matter contained in the raw water is filtered by the
5 to 27, the candle type ballast water filtering apparatus according to an embodiment of the present invention includes a
The housing (1) constitutes the body of the candle type ballast water filtration apparatus according to the present invention. The housing (1) preferably has a filter portion (3) for filtering the ballast water therein, And may be formed into a cylindrical shape so as to be able to flow without being received. The
The
The
The housing lower part 122 is formed inside the
The housing upper part 121 is configured to receive the
The stopping
9, the
The
The automatic washing unit 5 is configured to wash the foreign substances adhered to the
The driving
The
10, the control means 522 transmits the power generated from the power means 521 to the suction portion 51 through the
The
The
11, the
The
The
14, the stopping state (d) in this specification means that the
At least two or more
When the half of the circumference of the
Referring to FIG. 13, the rotation of a unit distance in the present invention means that the
The
The
The
The
The
The
The
The
The
The
15, the driving
The
The suction unit (51) sucks backwash water containing foreign matter adhered to the filter unit (3). The suction unit 51 is connected to the driving
The
The
The flushing
Since the
Referring to FIG. 16, the
The
The outer surface of the
The
The
The
The
17, the
The
The suction tube 51 and the
The discharge
18, the
The
19, the
The rotor packing 5411a presses the rotor perturbation ring 5411b downward by the restoring force of a spring provided at the recessed portion. The
The rotor packing 5411a has a sectional view in the vertical direction forming an outwardly opened depression. When the
The rotor peristaltic ring 5411b is in close contact with the
The
The
The lower cover 544 is formed thicker than the thickness of the
The lower cover
The lower cover
The
The locking
The pressing
20, the
Referring to FIG. 21, the
22, the
Since the
The
The
The
23, when the
The
The
The
24, after assembling all the components of the filtration apparatus, the
The positioning mechanism 7 includes a
25, the positioning mechanism 7 inserted into the
Referring to FIG. 26, in this specification, the term " matching " means that a hole opened on the upper surface of the
The
The
The raw water a is filtered only through the
The
9, the receiving
The
27, the
The pressing
The
The elastic means 353 accommodates the
The
The cushioning
The above-described filtration apparatus according to the present invention employs a structure in which a conventional filtration apparatus can be easily assembled to overcome the disadvantage that the structure is complicated and difficult to assemble. However, due to the structural problems of the filtration device, the omission of such components as simply added or coupled may be omitted for convenience of explanation.
The filtration apparatus comprises a
First, since the driving
Secondly, the
Third, the driving
Fourth, the
Finally, the
The process of filtration and backwashing using the filtration apparatus of the present invention will be described in detail. The assembly is completed through the above-described process.
The raw water a is introduced into the
The raw water a that has entered the
The raw water a passes through the
The
As described above, the
According to the present invention, when the
The
Since the driving
The filtration apparatus also includes a
The foregoing detailed description is illustrative of the present invention. In addition, the foregoing is intended to illustrate and explain the preferred embodiments of the present invention, and the present invention may be used in various other combinations, modifications and environments. That is, it is possible to make changes or modifications within the scope of the concept of the invention disclosed in this specification, within the scope of the disclosure, and / or within the skill and knowledge of the art. The embodiments described herein are intended to illustrate the best mode for implementing the technical idea of the present invention and various modifications required for specific applications and uses of the present invention are also possible. Accordingly, the detailed description of the invention is not intended to limit the invention to the disclosed embodiments. It is also to be understood that the appended claims are intended to cover further embodiments.
1: Housing
11:
12: housing body
121: housing upper part
122: Lower housing
123: hanging jaw
124:
14:
15: housing cover
3:
31: Filter element
311:
313:
315: Lower cap
317: mesh network
32: upper plate 321: insertion hole 323: positioning hole 325: cover
33: lower plate 331: inflow hole 333: receiving groove 335: lower plate sealing member
34: Support
35: buffer
351: pressing
353: Elastic means
355:
5: Automatic cleaning unit
51:
511: Flushing arm
512: Flushing body
513: bushing 5131: bushing body 5132: projection 5134: airtight member
514: Inlet tube 5141: Home
515: Connector
52:
521:
522:
5221: rotating shaft 5222: rotating blade 5223: rotating body
5223a: rotating
5223a-1: rotating
5222a:
523: drive shaft 5231: first drive shaft 5232: second drive shaft 5233:
523a: a drive shaft with a narrow diameter
523b: a drive shaft having a large diameter
523c:
53:
531: discharge pipe
532: discharge tube sealing member
54:
541: Mechanical sealing
5411: rotor 5411a: rotor packing 5411b: rotor perturbation ring
5412: cap plate 5413: rotor case
5414: Stator
542: Support plate
543: Bearings
544: Lower cover
544a: Lower cover
545:
546: pressing member
547: Lower core
547a: seat groove
548: sealing member
7: Positioning mechanism
71: Handle
72: insert part
73: Stopper
a: enemy
b: filtrate
c: Backwash water
d: Suspended state
e: Rotational state
Claims (32)
Wherein the filter portion includes at least one filter element positioned along a concentric path around the drive shaft of the driving portion and capable of filtration and backwashing,
The automatic washing unit includes a suction unit for sucking backwash water including a foreign matter adhered to the filter unit, the driving unit being located at a lower portion of the housing and mechanically rotating the suction unit; And a discharge unit for discharging the backwash water sucked from the suction unit to the outside of the housing. The candle-type ballast water filtration apparatus controls the backwashing using the cam system.
Wherein the lower plate comprises a plurality of through holes formed along the concentric path so that the filter element can be seated,
Wherein the suction portion includes at least one flushing arm that rotates about the drive shaft by the drive portion and communicates with each filter element on the concentric path of the filter portion to receive backwash water,
Wherein the foreign matter adhering to the filter element is backwashed using filtered water when the flushing arm, the inflow hole, and the lower side of the filter element communicate with each other. Water filtration device.
The driving unit includes power means for generating power,
And control means for mechanically controlling the rotation of the suction portion by receiving power from the power means to perform backwashing. The candle-type ballast water filtering apparatus for controlling backwashing using a cam system.
Wherein the control means includes a rotating shaft for receiving power from the power means and a rotating body rotating in conjunction with the rotating shaft, wherein the rotating body is connected to the suction portion, and the rotating body and the suction portion are rotated in synchronization with each other A candle-type ballast water filtration system that controls backwashing using a cam system.
Wherein the rotating body includes a rotating bar divided into a plurality of portions at a predetermined angle along a circumference of the circumference and an angle between neighboring rotating bars is substantially equal to an angle between adjacent inflow holes of the lower plate A candle type ballast water filtration device that controls backwash.
Wherein the control means includes a rotating blade formed along a predetermined circumference of a rotating shaft, and the rotating blade is sandwiched between adjacent rotating bars to transmit the rotating force of the rotating shaft to the rotating body to rotate the rotating body. Type ballast water filtration device that controls the backwashing by using the ballast water.
Wherein the rotary vane includes a straight surface formed in a direction perpendicular to the center of the rotary shaft and an inclined surface inclined at a center of the rotary shaft. When the rotary bar is in contact with the straight surface and the rotary body is in a stopped state, Type ballast water filtering apparatus for controlling backwashing using a cam system, wherein the backwashing occurs when the flushing arm of the suction unit covers the inflow hole.
Type ballast water filtration apparatus for controlling backwashing using a cam system, wherein an angle formed between a straight surface of the rotary blade and the center of the rotary shaft is greater than an angle formed by the inclined surface and the center of the rotary shaft.
Wherein at least two or more rotating blades are formed on the rotating shaft and the rotating bar is sandwiched between adjacent rotating blades so that the rotating blades can rotate accurately and stably. Ballast water filtering equipment.
Wherein the rotary blades are formed in a shape in which a thin flat plate having a predetermined thickness is spirally wound around the rotary shaft, two inclined surfaces are formed when the rotary blades are wound around the rotary shaft one by one, and each of the inclined surfaces is continuously Type ballast water filtration device for controlling backwashing using a cam system.
Each of the rotary blades has a sloped surface and a straight surface on 360 degrees of the rotary shaft and has a cut-off area between neighboring rotary blades. The cut-off area allows the rotary bar to pass through without interference. Type ballast water filtration device that controls the backwashing by using a cam system that uses the cam system.
The suction unit connected to the rotating shaft and the driving shaft rotates by a distance on the one end, and the flushing arm is moved from the inflow hole to the other inflow hole adjacent to the inflow hole, and when the rotating body is rotated by a distance of one unit as guided by the inclined surface, Type ballast water filtration apparatus for controlling backwashing by using a cam system.
Wherein the driving unit includes a driving shaft connected to the suction unit and transmitting power generated by the driving unit to the suction unit.
Wherein the drive shaft includes a first drive shaft extending from the outside of the housing to the inside of the housing and a second drive shaft having one side connected to the first drive shaft and the other side connected to the suction unit in the second space Type ballast water filtration device that controls the backwashing by using a cam system that uses the cam system.
The driving shaft includes an inter-shaft coupling member connecting the first driving shaft and the second driving shaft so that the rotational force of the driving unit can be transmitted to the suction unit even if the centers of the first driving shaft and the second driving shaft do not perfectly coincide with each other A candle-type ballast water filtration device that controls backwashing using a cam system.
Wherein the automatic cleaning unit includes a hermetic portion for preventing backwash water of the suction unit from leaking to the lower portion of the lower cover or the lower portion of the lower cover along the drive shaft. Device.
The airtight portion includes a support plate positioned between the drive shaft and the upper portion of the lower cover to prevent backwash water from leaking from the upper portion of the lower cover, A lower cover lower part coupled to cover the upper part of the lower cover from a lower side of the upper part of the lower cover and a lower core disposed between the lower part of the lower cover and the lower part of the lower cover to support the support plate, Type ballast water filtration device for controlling backwashing using a cam system.
The airtight portion includes a mechanical seal coupled to the drive shaft and seated on the support plate to prevent the backwash water from leaking from the joint portion between the drive shaft and the support plate, And a locking member located at a rear end of the cam member.
Wherein the drive shaft includes a drive shaft having a large diameter and a support jaw for connecting a drive shaft having a small diameter close to a right angle,
Wherein the lower core includes a seating groove formed on an upper surface of the lower core so as to be received in an area capable of receiving a horizontal cross section of the lock member about the drive shaft,
Wherein the upper surface of the micrically conductive seal is held in abutting contact with the support jaw and the lock member is seated and supported in the seating groove so that the hermetic portion and the drive shaft are fixed so as not to deviate from the predetermined position. Type ballast water filtration device that controls the backwashing by using the ballast water.
Wherein the suction unit includes at least one flushing arm connected to each of the filter elements on the concentric circular path of the filter unit while rotating around the drive shaft by the driving unit to receive the backwash water, The flushing body being fixed to the driving shaft and transmitting the rotational force of the driving shaft to the flushing arm; and a back flushing body having one side connected to the flushing body and the other side connected to the bottom plate of the housing, And a bushing which is coupled to an upper side of the inlet pipe so as to prevent rotational force of the driving shaft and the flushing body from being transmitted to the inlet pipe. Type ballast water filtration device.
Wherein the bushing includes a bushing body having an outer circumferential surface abutting against the inner circumferential surface of the intake pipe and an inner circumferential surface abutting against an outer circumferential surface of the flushing arm and protrusions protruding outward at a certain angle from the upper side of the bushing body,
Wherein the inlet tube includes a groove for receiving the projection at an angle equal to the angle of the projection,
Type ballast water filtration apparatus for controlling backwashing by using a cam system to prevent the bushing from rotating due to a combination of the projections and the grooves.
The housing comprising a housing body that constitutes the overall contour of the housing, protects the internal equipment and stores ballast water,
The housing body includes a latching protrusion formed at an upper side of the housing body so as to be seated in the housing body so that the upper plate is seated in the housing body and a step formed along the inner circumferential surface of the housing, Wherein the filter unit can be firmly fixed to the correct position within the housing. The candle-type ballast water filtration apparatus according to claim 1,
The lower plate includes a receiving groove recessed in a circumferential direction on a side contacting with the housing, and the lower plate sealing member is fitted into the receiving groove so that the filtered water stored in the upper portion of the housing and the raw water stored in the lower portion of the housing are not mixed The ballast water filtration device comprising:
The filter unit includes an upper plate coupled to an upper side of the filter element and preventing the filtered water stored in the upper part of the housing from being exposed to the outside of the housing, a lower plate positioned below the filter element, / RTI >
Wherein the lower plate comprises a plurality of through holes formed along the concentric path so that the filter element can be seated,
Wherein the suction portion includes at least one flushing arm that rotates about the drive shaft by the drive portion and communicates with each filter element on the concentric path of the filter portion to receive backwash water,
The upper plate includes a plurality of insertion holes penetrating the upper plate at the same position as the lower plate, the upper plate receiving and fixing the upper side of the filter element, and a part of the insertion holes is formed larger than the remaining insertion holes Type ballast water filtration device for controlling backwashing using a cam system characterized by being a position-setting member covered with a lid.
Wherein the ballast water filtration device is configured to separate the cover from the position setting hole and to insert the positioning mechanism so that the flushing arm and the inlet hole are matched with the filter element to thereby connect the filter portion to the inside of the housing. Type ballast water filtration device that controls backwashing by using the method of the present invention.
Wherein the housing includes a housing cover covering an upper side of the housing to be shielded from the outside,
The filter unit may include an upper plate coupled to an upper side of the filter element and preventing the filtered water stored in the upper portion of the housing from being exposed to the outside of the housing and a lower plate fixed to the upper plate to reduce vibration transmitted from the housing cover to the filter unit. Type ballast water filtration device that controls backwashing by using a cam system that includes a cushioning portion.
The buffering portion includes a pressing member which is in direct contact with the lower surface of the housing cover, an elastic means which receives the vibration transmitted by the pressing member and receives the pressing member and the elastic means, Wherein the backwashing control unit controls the backwashing by using the cam system.
Wherein the filter element comprises: a frame formed in a cylindrical shape by intersecting a plurality of crosspieces and a plurality of longitudinal members; an upper cap fitted on the upper side of the frame and coupled to the upper plate; and a lower portion fitted to the lower side of the frame, And a mesh net which is fixed in a state surrounding the frame by the upper and lower caps and filters raw water flowing in from the inflow hole of the lower plate. A candle type ballast water filtration device.
Wherein the frame is formed by injection molding using a plastic material. A candle-type ballast water filtration apparatus for controlling backwashing using a cam system.
Wherein the automatic cleaning unit includes a hermetic portion for preventing backwash water of the suction unit from leaking to the lower portion of the lower cover or the lower portion of the lower cover along the drive shaft,
Wherein the airtight portion includes a lower cover lower portion coupled to the housing at a lower side of the housing and having a predetermined area around a portion where the drive shaft is inserted through the housing and receiving the drive shaft, And a lower core disposed below the hermetic portion and the driving shaft so as to easily position the hermetic portion and the driving shaft and to prevent the hermetic portion and the driving shaft from deviating from the predetermined position. Filtration device.
Wherein the suction unit includes a connection pipe that is a conduit protruding from the suction unit to guide backwash water flowing from the filter unit to the discharge unit,
And the discharge unit includes a discharge pipe connected to the connection pipe and discharging the backwash water to the outside of the housing,
Type ballast water filtering apparatus for controlling backwashing by using a cam system, wherein the backwashing is controlled by inserting the suction unit into the housing and then connecting the discharge pipe to the suction unit.
The housing comprising a housing body that constitutes the overall contour of the housing, protects the internal equipment and stores ballast water,
The housing body includes a latching protrusion formed at an upper side of the housing body so as to be seated in the housing body so that the upper plate is seated in the housing body and a step formed along the inner circumferential surface of the housing, Including,
Type ballast water which controls backwashing by using a cam system in which the filter unit is seated on the catching jaw and the pressure-contacting protrusion is fixed so as to press the lower plate, Filtration device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140115710A KR101619809B1 (en) | 2014-09-01 | 2014-09-01 | A candle type apparatus for filtering ballast water |
| PCT/KR2014/008808 WO2016035919A1 (en) | 2014-09-01 | 2014-09-23 | Candle-type ballast water filtering device for controlling backwashing using cam type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140115710A KR101619809B1 (en) | 2014-09-01 | 2014-09-01 | A candle type apparatus for filtering ballast water |
Related Child Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020150031495A Division KR101619788B1 (en) | 2015-03-06 | 2015-03-06 | Ballast water filtering device with enhanced back flush function |
| KR1020150031385A Division KR101619797B1 (en) | 2015-03-06 | 2015-03-06 | Ballast water filtering device with enhanced back flush function |
| KR1020150031442A Division KR101619792B1 (en) | 2015-03-06 | 2015-03-06 | Ballast water filtering device with enhanced back flush function |
| KR1020150031403A Division KR101619794B1 (en) | 2015-03-06 | 2015-03-06 | Ballast water filtering device with enhanced back flush function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20160027612A true KR20160027612A (en) | 2016-03-10 |
| KR101619809B1 KR101619809B1 (en) | 2016-05-13 |
Family
ID=55439970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020140115710A KR101619809B1 (en) | 2014-09-01 | 2014-09-01 | A candle type apparatus for filtering ballast water |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101619809B1 (en) |
| WO (1) | WO2016035919A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106118778A (en) * | 2016-08-29 | 2016-11-16 | 四川启昌管道工程有限责任公司 | A kind of novel natural gas filter separator |
| KR20180056139A (en) | 2016-11-18 | 2018-05-28 | 현대중공업 주식회사 | Washing system for preventing corrosion of ballast water filter unit |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106669428A (en) * | 2017-01-09 | 2017-05-17 | 山东钢铁集团日照有限公司 | Ceramic membrane pipe self-cleaning filter |
| CN114873685B (en) * | 2022-05-19 | 2022-11-08 | 江河工程检验检测有限公司 | Ultrafiltration membrane sewage treatment equipment based on non-compact filter element |
| TWI799304B (en) * | 2022-06-27 | 2023-04-11 | 日益電機股份有限公司 | Reinforced upper cover of the filter |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101129619B1 (en) * | 2009-06-03 | 2012-03-28 | 삼성중공업 주식회사 | Ballast water management system and Ship having the same |
| CN101972872A (en) * | 2010-11-05 | 2011-02-16 | 威海华东数控股份有限公司 | Variable pitch worm |
| JP5866876B2 (en) * | 2011-08-30 | 2016-02-24 | 住友電気工業株式会社 | Ballast water treatment apparatus and ballast water treatment method |
| KR101287090B1 (en) * | 2011-10-13 | 2013-07-17 | 주식회사 파나시아 | A High- efficiency Candle type Apparatus for Filtering Ballast Water with High-density Filters |
| KR101259614B1 (en) * | 2012-02-16 | 2013-05-28 | (주)한국윈텍 | Roll blind |
| KR101406817B1 (en) * | 2013-12-06 | 2014-06-17 | 삼건세기(주) | ballast water filter equipment |
-
2014
- 2014-09-01 KR KR1020140115710A patent/KR101619809B1/en active IP Right Grant
- 2014-09-23 WO PCT/KR2014/008808 patent/WO2016035919A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106118778A (en) * | 2016-08-29 | 2016-11-16 | 四川启昌管道工程有限责任公司 | A kind of novel natural gas filter separator |
| KR20180056139A (en) | 2016-11-18 | 2018-05-28 | 현대중공업 주식회사 | Washing system for preventing corrosion of ballast water filter unit |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016035919A1 (en) | 2016-03-10 |
| KR101619809B1 (en) | 2016-05-13 |
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