KR101665444B1 - Drain treatment system of drilling structure - Google Patents

Abstract

The present invention relates to a drain treatment system of a drilling structure, and more particularly, to a drainage treatment system for a drilling structure, and more particularly to a drainage treatment system of a drilling structure, which utilizes a floor drain tank and an internal heat drain tank for omitting a conventional drain holding tank, To a drain treatment system for a drilling structure that prevents the marine pollution by increasing the efficiency, water treatment efficiency, and cost for manufacturing the system, reducing maintenance and repair costs.
The drain treatment system of a drilling structure according to the present invention comprises: a Hedder's solid treatment tank for treating a drain supplied from each of a heather drain area and an egg heather drain area; an egg heather solid treatment tank; A hairdresser drain tank and a reservoir drain tank for storing drains respectively supplied from the Heather's solid treatment tank and the Heinzer's solid treatment tank; A decanter for receiving and receiving the drain from the header drain tank and the egg tray drain tank, and supplying the drain to the tray drain tank; And a separator for treating the drain supplied from the header drain tank and the furnace header drain tank, respectively, and discharging it to the outside of the ship.

Description

[0001] Drain treatment system of drilling structure [0002]

The present invention relates to a drain treatment system, and more particularly, to a drain treatment system of a drilling structure that is configured to utilize a header drain tank and an egg tray drain tank to omit an existing drain holding tank in a drilling structure.

In general, drillship will cause various drains, including oil and mud, resulting from drilling. If drains containing such oils and muds are discharged to sea without any action, they will cause serious marine pollution Therefore, in the drill ship, a drain treatment system is provided which treats such drains in accordance with prescribed environmental standards.

As a conventional drain processing system, there is a drain processing system of Korean Patent Laid-Open No. 10-2013-0025499. A drain storage tank for storing drains generated during a drilling operation; An oil water separator connected to the drain storage tank and separating the drain transferred from the drain storage tank into an oil component and seawater; And an oil component detector for sensing an oil component contained in the seawater separated by the oil water separator, wherein the drain storage tank is provided with a drain portion for storing the drain and a drain accommodated in the receiving portion, And a partition wall extending from the lower portion of the drain storage tank to be separated from the drain storage tank.

However, such a conventional drain treatment system is divided into a hazardous system and a non-hazardous system in the case of a drill ship, which does not reflect such a separated configuration. Therefore, there is a drain processing system shown in Fig. 1 as a prior art in order to satisfy this.

1, a conventional drain processing system 10 processes a drain introduced from a hazardous drain area 21 and a drain from a non-hazardous drain area 22, respectively, A hazardous solid treatment tank 11 and a non-hazardous solid treatment tank 12, a Heather's solid treatment tank 11 and a Heather's solid treatment tank 11, A hazardous drain tank 13 and a non-hazardous drain tank 14 for storing respective drains respectively treated from the drain tank 12 and a drainage tank 13, A drain holding tank 16 for collecting and storing the drain from the bottom drain tank 14 through a drain pipe 15 and a drain holding tank 16, When supplied with emitter the drain through the separation process, such as solids separator (Separator; 17) to so as to discharge overboard includes, consists hejeo Ranges system I and separated by hejeo Ranges system. The drain pipe 15 is provided with a pump 18 for transferring the treated drain.

However, in the conventional drain treatment system 10, the drain is collected in one of the drain holding tanks 16 via the through-hearth drain tank 13 and the egg-through drain tank 14, and is processed in the separator 17 And drain holding tanks 16, which increase the size of the system and increase the cost of manufacturing and the cost of maintenance and repair.

In addition, the conventional drain treatment system 10 has a problem that the drain is discharged from the drain holding tank 16 only through the separator 17, which is insufficient for the treatment of the mud and can not satisfy the demand for more efficient water treatment.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to minimize a space for installation of a system by utilizing a header drain tank and an egg tray drain tank for omitting a conventional drain holding tank, To increase the efficiency, to reduce the cost of manufacturing the system, to reduce maintenance and repair costs, and to prevent marine pollution by increasing the water treatment efficiency.

According to an aspect of the present invention, there is provided a Heather's solid treatment tank for treating a drain supplied from a hazardous drain area and a non-hazardous drain area, Hazardous solid treatment tanks and non-hazardous solid treatment tanks; A hazardous drain tank and a non-hazardous drain tank for storing drains respectively supplied from the Heather's solid treatment tank and the Heather's Solid treatment tank; A decanter for receiving a drain from the heddle drain tank and the oven heddas drain tank and supplying the drain to the heddle drain tank; And a separator for treating the drain supplied from the header drain tank and the furnace header drain tank and discharging the drain to the outside of the ship.

And a drain pipe for discharging the drain from the Heather's solid treatment tank and the Heanerthus solid treatment tank to the first drain pipe for supplying the drain from the hair dryer drain tank to the egg reservoir drain tank, And may further include an over-discharge valve.

And opening / closing means for opening / closing the drainage drain tank and the drain supplied from the egg storage drain tank to supply the drainage to either or both of the decanter and the purifier.

And a U-shaped seal provided in the second drain pipe for supplying the drain from the header drain tank and the decanter to the decanter.

According to another aspect of the present invention, there is provided a method of fabricating a semiconductor device, comprising: a Heather's solid treatment tank and an Heather's solid treatment tank for treating a drain supplied from a heather discharge area and an egg heather drain area, respectively; And a hair dryer drain tank and an egg tray drain tank for storing drains respectively supplied from the hair dryer solid treatment tank and the hair dryer solid treatment tank, There is provided a drain treatment system of a drilling structure for supplying a drain from a drain tank to a decanter and supplying a drain treated by the decanter to the farthusdrain tank.

A U-shaped seal may be installed in the second drain pipe for supplying the drain from the header drain tank and the decanter to the decanter.

According to the present invention, the use of a floor drain tank and an empty floor drain tank for omitting a conventional drain holding tank minimizes the installation space of the system, increases the structural efficiency, And the cost of maintenance and repair can be reduced and the drainage of the hairdressing drain tank and the egg tray drain tank can be treated by the decanter to prevent the marine pollution by the efficiency of the water treatment and by the application of the U- Do not violate the Safty zone rule.

1 is a configuration diagram showing a conventional drain processing system.
2 is a block diagram showing a drain treatment system of a drilling structure according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, the following embodiments can be modified into various other forms, and the scope of the present invention is not limited to the following embodiments.

2 is a block diagram showing a drain treatment system of a drilling structure according to an embodiment of the present invention.

2, a drain treatment system 100 of a drilling structure according to an embodiment of the present invention includes a hazardous solid treatment tank 110 and a non-heather solid treatment tank (Non) a desalted solid treatment tank 120, a hazardous drain tank 130, a non-hazardous drain tank 140, and a decanter 150, A separator 160 may be further included.

The drain treatment system 100 of the drilling structure according to the present invention can be applied not only to a drilling structure such as a drill ship, but also to a drilling structure in the form of an offshore structure such as a drilling rig.

The Heather's solid treatment tank 110 and the Heather's solid treatment tank 120 are supplied from a hazardous drain area 210 and a non-hazardous drain area 220, respectively. For example, to collect polluted drains for land transport, or to reprocess deposited mud from contaminated drains. Herein, the drain containing the mud is supplied to the heddus solid treatment tank 110 and the egg healds solid treatment tank 120 in the hair dryer drain area 210 and the egg yolk drain treatment area 220, Headers 211 and 221 and a second header 212 and 222 for supplying a drain not containing the mud to the heddus solid treatment tank 110 and the egg heddus solid treatment tank 120, respectively.

A first drain pipe 111 for supplying drains from the Heather's solid treatment tank 110 and the egg healds solid treatment tank 120 to the hairdressing drain tank 130 and the egg solder drain tank 140, And a second drain pipe 121 may be respectively installed.

The hairdresser drain tank 130 and the hairdryer drain tank 140 are connected to the first drain pipe 111 and the second drain pipe 140 from the Hedder's solid treatment tank 110 and the egg heather solid treatment tank 120, (Not shown). The heddle drain tank 130 and the egg heddas drain tank 140 are replaced by omitting the conventional drain holding tank and have a tank capacity calculated in accordance with the rainfall criterion, An agitator and a mud sensor may be installed.

The decanter 150 processes the mud discharged from the header drain tank 130 and the egg tray drain tank 140 and supplies the generated oily water to the hair dryer drain tank 130 through the supply pipe 157 . Here, oily water is a state in which oil and water are not separated and mixed, and some mud may be included. Meanwhile, the mud processed in the decanter 150 is sent to a cutting area 190.

The decanter 150 may be, for example, an apparatus for performing classification, filtration, dehydration, precipitation or concentration using centrifugal force, and an inclined continuous centrifugal separator for separating the mud or the like from the drain may be used.

The separator 160 treats the oily water discharged from the hair dryer drain tank 130 and the egg tray drain tank 140 to discharge the generated water to the outside of the oven. The separator 160 separates the oily water supplied from the hair dryer drain tank 130 and the oven header drain tank 140 by using characteristics such as the specific gravity of the material to separate and discharge the mud, oil, and water. The mud discharged from the separator 160 is supplied to the decanter 150 via the mud pipe 161. The oil is supplied to the waste oil tank 180 through the oil pipe 162 and is supplied to the separator 160 ), The concentration of impurities, which is an outboard emission standard, may be purified to 15 ppm or less by the environmental regulations, and may be discharged outboard.

The drain treatment system 100 of the drilling structure according to an embodiment of the present invention can be applied to any one of the decanter 150 and the separator 160 by supplying the drain supplied from the through-hearth drain tank 130 and the egg- Closing means 132, 142, 153, 154 for opening / closing the opening / closing means to supply one or both of them.

The opening and closing means 132, 142, 153 and 154 are connected to the third drain pipe 131 and the fourth drain pipe 141 for supplying the oily water from the heddle drain tank 130 and the separator 160 from the egg tray drain tank 140, A fifth drain pipe (not shown) for supplying the mud from the first open / close valve 132 and the second open / close valve 142, the through-hearth drain tank 130 and the egg- Closing valve 153 and the fourth opening / closing valve 154, which are installed in the first drain pipe 151 and the sixth drain pipe 152, respectively.

The opening / closing means 132, 142, 153, 154 may be operated by a manual operation of a worker, or may be supplied with a signal from a control unit of a system which receives a sensing signal from a mud sensor, a flow rate sensor, Lt; / RTI > Therefore, the throughput of the drain by the decanter 150 can be adjusted arbitrarily or selectively by the first and second open / close valves 132 and 142 and the third and fourth open / close valves 153 and 154 or the amount of rain or mud.

U-shaped seals 171 and 172 may be installed on the fifth and sixth drain pipes 151 and 152 for supplying the mud from the header drainage tank 130 and the egg tray drain tank 140 to the decanter 150 . The U-shaped seals 171 and 172 do not violate the safety zone rule. The fifth and sixth drain pipes 151 and 152 may be provided with pumps 155 and 156 for transferring the drain, respectively.

According to the present invention, by utilizing the floor drain tank 130 and the oven floor drain tank 140 for omitting the conventional drain holding tank, it is possible to minimize the installation space of the system, And the cost for manufacturing the system and the cost for maintenance and repair can be reduced.

In addition, the drainage tank 130 and the drain of the egg tray drain tank 140 are treated by the decanter 150, thereby improving the water treatment efficiency such as the recovery of mud to prevent marine pollution.

Also, U-shaped seals 171 and 172 are applied to the pipe of the decanter 150 so as not to violate the safty zone rule.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention. It is.

110: Hedder's Solid Treatment Tank
111: first drain pipe
121: Second drain pipe
120: I'm Hedder's Solid Treatment Tank
130: Hedgerds drain tank
131: Third drain pipe
141: Fourth drain pipe
132: first opening / closing valve
142: Second open / close valve
140: I dozer drain tank
150: Decanter
151: fifth drain pipe
152: sixth drain pipe
153: Third open / close valve
154: fourth opening / closing valve
155, 156: pump
157: Supply piping
160: separator
161: Mud Piping
162: Oil piping
171,172: U-shaped seal
180: waste oil tank
190: Cutting area

Claims (9)

A hazardous drain tank and a non-hazardous drain tank for treating the drain;
A decanter for treating the mud discharged from the heddus drain tank and the ozone water discharge drain tank to supply the generated oily water to the heddus drain tank; And
And a separator for treating the oily water discharged from the header drain tank and the oily header drain tank to discharge the generated water,
A drain treatment system for a drilling structure, comprising: a drain pipe for supplying a mud discharged from the heddle drain tank and the ozne floor drain tank to the decanter through a drain pipe; and an opening / . delete The method according to claim 1,
The oily water discharged from the heddle drain tank and the oily desert drain tank is supplied to the separator through a drain pipe. The drain pipe further includes opening / closing means for controlling the amount of oily water, Processing system. The method according to claim 1,
And a U-shaped seal mounted on the drainage drain tank and a drain pipe for supplying the decanter from the egg storage tank to the decanter. The method according to claim 1,
Wherein the mud separated from the separator is supplied to the decanter again, and the oil separated from the separator is stored in an oil tank. The method according to claim 1,
Wherein the mud separated from the decanter is stored in a cutting area. A hazardous solid treatment tank for treating a drain supplied from a hazardous drain area and a non-hazardous drain area, and a Heather's solid treatment tank (Non-hazardous solid treatment tank); And
And a hair dryer drain tank and an egg tray drain tank for treating drains respectively supplied from the Heather's solid treatment tank and the Heather's tooth solid treatment tank,
Supplying the mud processed from the heddle drain tank and the egg tray to the decanter, supplying the oily water generated by the decanter to the heddle drain tank,
A drain treatment system for a drilling structure, comprising: a drain pipe for supplying a mud discharged from the heddle drain tank and the ozne floor drain tank to the decanter through a drain pipe; and an opening / . The method of claim 7,
And supplying the oily water treated from the heddle drain tank and the oven header drain tank to the separator. The method of claim 7,
Wherein a U-shaped seal is provided in the drainage drain tank and the drain pipe for supplying the mud from the egg storage vessel to the decanter.

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