Offshore platform degreaser

Abstract

The utility model discloses an offshore platform degreaser, which belongs to the technical field of degreasing cleaning and comprises a degreasing tank, a water inlet pipe and a water outlet pipe are respectively mounted on two sides of the degreasing tank, a rectangular mesh basket and a rectangular frame are respectively fixedly mounted on the degreasing tank, and an extrusion mesh is slidably mounted in the rectangular mesh basket. The rectangular net basket is filled with a hydrophilic and hydrophobic particle layer, a modified limiting strip is connected into the rectangular frame, a spraying rod is rotationally installed between the two sides of the inner wall of the oil removing box, a plurality of spraying heads are installed on the spraying rod, an extrusion net is in transmission connection with the spraying rod through a driving piece, and a motor is fixedly installed at the top end of the spraying rod. According to the device, through a double-channel oil removal process, the oil removal effect is good, meanwhile, the interior of the oil removal tank can be automatically cleaned, and the cleaning efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil removal and cleaning, in particular to an offshore platform oil remover. Background Art

[0002] At present, in the process of offshore platform oil and gas field exploitation, a large amount of reagents need to be added and there are relatively many moving equipment in the process, resulting in a large number of emulsified oil droplets in the water phase, resulting in excessive oil content in the produced water. The equipment commonly used in the oil-water separation process in China includes inclined plate oil removers, coalescence separation, cyclone separation and other technologies. The objects and occasions of use of several types of equipment are often different. Although the separation efficiency of membrane separation is high, the cost is also very high because the flux is small and the equipment is also large. The principle of sedimentation separation is gravity sedimentation, the separation efficiency is low, the equipment is also large, and it is often used as a means of pre-separation. The cyclone separation equipment is simple, occupies a small area, and has a low investment cost, but the separation efficiency is low, and the separation effect on emulsified oil-water mixture is poor.

[0003] In the prior art, there is a filtering device for removing oil from produced water in an offshore oil and gas field with application number CN201922100933.9, in which a mounting plate is detachably mounted at the lower end of a fixed block by bolts, a rectangular mesh basket is fixedly connected to the mounting plate, a hydrophilic and hydrophobic particle layer is filled in the rectangular mesh basket, a rectangular groove corresponding to the upper opening of the rectangular mesh basket is opened in the height direction of the fixed block and the mounting plate, a lifting block is slidably arranged in the rectangular groove, a screw rod passes through the top wall of the de-oiling tank and is rotatably connected to the upper end face of the lifting block, the screw rod is threadedly connected to the de-oiling tank, a modified limit strip is connected in the rectangular frame, the modified limit strip is woven from hydrophilic and oleophobic fibers and oleophilic and hydrophobic fibers, a flushing pipe extends into the de-oiling tank, a row of flushing nozzles are fixedly connected on the left and right sides of the flushing pipe, the drain pipe is fixedly connected to the lower part of the right wall of the de-oiling tank, and an oil discharge port 1 and an oil discharge port 2 are arranged on the left and right sides of the upper wall of the de-oiling tank. The utility model has a novel structure and a strong de-oiling ability.

[0004] However, in the above-mentioned solutions in the prior art, when flushing the equipment, it is necessary to manually turn the handle to drive the screw to rotate, and the automatic performance is poor. At the same time, the spray range of the flushing nozzle is small, and there is a flushing blind area. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides an offshore platform oil remover, which aims to improve the problem of poor automatic performance, small spray range of the flushing nozzle and flushing blind area.

[0006] The utility model is implemented as follows: an offshore platform oil remover comprises an oil removal tank, water inlet pipes and water outlet pipes are respectively installed on both sides of the oil removal tank, a rectangular net basket and a rectangular frame are respectively fixedly installed on the oil removal tank, an extrusion net is slidably installed in the rectangular net basket, the rectangular net basket is filled with a hydrophilic and hydrophobic particle layer, a modified limit strip is connected in the rectangular frame, a spray rod is rotatably installed between the two sides of the inner wall of the oil removal tank, a plurality of spray heads are installed on the spray rod, the extrusion net is connected to the spray rod through a driving member, a motor is fixedly installed on the top of the spray rod, a water inlet assembly is installed on the outside of the spray rod, and a first oil outlet pipe and a second oil outlet pipe are arranged on the top of the oil removal tank.

[0007] In a preferred technical solution of the present utility model, the hydrophilic and hydrophobic particle layer is composed of hydrophilic particles and hydrophobic particles, and the hydrophilic particles and the hydrophobic particles are randomly filled in the rectangular mesh basket.

[0008] In the preferred technical solution of the present utility model, the driving member includes a first rotating shaft, a reciprocating screw and a nut. The first rotating shaft is rotatably installed on one side of the inner wall of the rectangular basket. One end of the first rotating shaft movably passes through the extrusion net and is fixedly installed with a first bevel gear. A second bevel gear is fixedly installed on the outside of the spray rod. The first bevel gear and the second bevel gear are meshingly connected. The reciprocating screw is fixedly sleeved on the outside of the first rotating shaft. The nut is fixedly installed on the extrusion net. The nut is threadedly installed on the reciprocating screw, and the nut is arranged at the center of the extrusion net.

[0009] In the preferred technical solution of the utility model, a first limit plate and a second limit plate are fixedly installed at both ends of the reciprocating screw, and the first limit plate and the second limit plate are fixedly sleeved on the outer side of the first rotating shaft.

[0010] In the preferred technical solution of the utility model, a protective sleeve rod is fixedly installed on one side of the extrusion net, the protective sleeve rod is movably sleeved on the outer side of the reciprocating screw and the first limit plate, and the first rotating shaft slides through the protective sleeve rod.

[0011] In the preferred technical solution of the utility model, a support rod is fixedly installed on the bottom end of the inner wall of the oil removal tank, a support circular plate is fixedly installed on the top end of the support rod, and the first rotating shaft slides through the support circular plate.

[0012] In the preferred technical solution of the utility model, a plurality of telescopic rods are fixedly installed between the rectangular mesh basket and the extrusion mesh, and the telescopic rods are composed of two pull rods slidably sleeved.

[0013] In the preferred technical solution of the utility model, the first oil outlet pipe, the rectangular mesh basket, the second oil outlet pipe, the spray rod and the rectangular frame are installed in sequence in the direction from the water inlet pipe to the water outlet pipe in the oil removal tank.

[0014] In the preferred technical solution of the present utility model, the water inlet assembly includes a water inlet box and a connecting pipe, a bracket is fixedly installed on the top of the oil removal tank, the bracket is U-shaped, the water inlet box is fixedly installed on the top of the oil removal tank, the top of the spray rod passes through the top of the oil removal tank and the water inlet box and is rotatably connected to the top of the inner wall of the bracket, a connecting pipe is installed on one side of the water inlet box, a water storage chamber is formed between the inner wall of the water inlet box and the spray rod, a plurality of water inlet holes are arranged on the outside of the spray rod, the water inlet holes are arranged in the water storage chamber, the motor is fixedly installed on the top of the bracket, the output end of the motor passes through the bracket and is fixedly connected to the top of the spray rod.

[0015] The beneficial effects of the utility model are as follows: the utility model obtains an offshore platform oil remover through the above design. When flushing, clean water enters the spray rod through the water inlet hole through the cooperation of the connecting pipe and the water inlet box, and then is sprayed out by the nozzle. At this time, the motor is started to drive the spray rod to rotate, thereby increasing the spraying range. At the same time, the first rotating shaft is driven to rotate through the cooperation of the first bevel gear and the second bevel gear, and the first rotating shaft drives the reciprocating screw to rotate. The reciprocating screw rotates and cooperates with the nut to drive the extrusion net to move back and forth to repeatedly extrude the hydrophilic and hydrophobic particle layer. This device has a good oil removal effect through a double-pass oil removal process, and can automatically clean the oil removal tank at the same time, thereby improving the cleaning efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a schematic diagram of the structure of an offshore platform oil remover provided by an embodiment of the utility model;

[0018] Figure 2 A partial structural side view of an offshore platform oil skimmer is provided for an embodiment of the utility model;

[0019] Figure 3 A schematic diagram of the structure of a driving member is provided for an embodiment of the utility model;

[0020] Figure 4 A structural schematic diagram of a water inlet assembly is provided for an implementation mode of the utility model.

[0021] In the figure: 110-oil removal tank; 111-water inlet pipe; 112-water outlet pipe; 113-first oil outlet pipe; 114-second oil outlet pipe; 120-rectangular mesh basket; 121-extrusion mesh; 130-rectangular frame; 140-spray rod; 141-spray head; 142-motor; 150-first rotating shaft; 151-reciprocating screw; 152-nut; 153-first limit plate; 154-second limit plate; 155-protective sleeve rod; 156-support rod; 157-support circular plate; 158-telescopic rod; 160-water inlet box; 161-connecting pipe; 162-bracket. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 3The utility model provides a technical solution: an offshore platform deoiler, including a deoiling tank 110, a water inlet pipe 111 and a water outlet pipe 112 are respectively installed on both sides of the deoiling tank 110, a rectangular net basket 120 and a rectangular frame 130 are respectively fixedly installed on the deoiling tank 110, an extrusion net 121 is slidably installed in the rectangular net basket 120, and a plurality of telescopic rods 158 are fixedly installed between the rectangular net basket 120 and the extrusion net 121. The telescopic rod 158 is composed of two pull rods slidably connected. The rectangular basket 120 is filled with a hydrophilic and hydrophobic particle layer, which is composed of hydrophilic particles and hydrophobic particles, and the hydrophilic particles and the hydrophobic particles are randomly filled in the rectangular basket 120. A modified limit strip is connected in the rectangular frame 130. A spray rod 140 is rotatably installed between the two sides of the inner wall of the oil removal tank 110. A plurality of spray heads 141 are installed on the spray rod 140. The extrusion net 121 is connected to the spray rod 140 through a driving member. An electric motor is fixed on the top of the spray rod 140. The spray bar 140 is provided with a water inlet assembly on the outside, a first oil outlet pipe 113 and a second oil outlet pipe 114 are provided on the top of the oil removal tank 110, a driving member includes a first rotating shaft 150, a reciprocating screw 151 and a nut 152, a first rotating shaft 150 is rotatably installed on one side of the inner wall of the rectangular basket 120, one end of the first rotating shaft 150 is movable through the extrusion net 121 and fixedly installed with a first bevel gear, a second bevel gear is fixedly installed on the outside of the spray bar 140, and the first bevel gear and the second bevel gear are fixedly installed. The two bevel gears are meshed and connected, the reciprocating screw 151 is fixedly sleeved on the outside of the first rotating shaft 150, the nut 152 is fixedly installed on the extrusion net 121, the nut 152 is threadedly installed on the reciprocating screw 151, and the nut 152 is arranged at the center of the extrusion net 121. The first oil outlet pipe 113, the rectangular net basket 120, the second oil outlet pipe 114, the spray rod 140 and the rectangular frame 130 are installed in the oil removal tank 110 in sequence from the water inlet pipe 111 to the water outlet pipe 112.

[0024] In some specific implementation schemes, a first limit plate 153 and a second limit plate 154 are fixedly installed at both ends of the reciprocating screw 151, and the first limit plate 153 and the second limit plate 154 are fixedly sleeved on the outer side of the first rotating shaft 150 to prevent the nut 152 from detaching from the reciprocating screw 151, thereby playing a limiting role.

[0025] In some specific implementation schemes, a protective sleeve rod 155 is fixedly installed on one side of the extrusion net 121, and the protective sleeve rod 155 is movably sleeved on the outer side of the reciprocating screw 151 and the first limit plate 153. The first rotating shaft 150 slides through the protective sleeve rod 155 to protect the reciprocating screw 151 and prevent the nut 152 from being blocked when moving on the reciprocating screw 151.

[0026] In some specific implementation schemes, a support rod 156 is fixedly installed at the bottom end of the inner wall of the oil removal tank 110, a support circular plate 157 is fixedly installed at the top end of the support rod 156, and the first rotating shaft 150 slides through the support circular plate 157, thereby improving the stability of the first rotating shaft 150.

[0027] See also Figure 4 The water inlet assembly includes a water inlet box 160 and a connecting pipe 161. A bracket 162 is fixedly installed on the top of the oil removal tank 110. The bracket 162 is U-shaped. The water inlet box 160 is fixedly installed on the top of the oil removal tank 110. The top of the spray rod 140 passes through the top of the oil removal tank 110 and the water inlet box 160 and is rotatably connected to the top of the inner wall of the bracket 162. A connecting pipe 161 is installed on one side of the water inlet box 160. A water storage chamber is formed between the inner wall of the water inlet box 160 and the spray rod 140. A plurality of water inlet holes are arranged on the outside of the spray rod 140, and the water inlet holes are arranged in the water storage chamber. The motor 142 is fixedly installed on the top of the bracket 162. The output end of the motor 142 passes through the bracket 162 and is fixedly connected to the top of the spray rod 140, so that the spray rod 140 can rotate while taking in water.

[0028] Working principle: When removing oil, it is the same as the patent method with application number CN201922100933.9. When flushing, the clean water enters the spray rod 140 through the water inlet hole through the cooperation of the connecting pipe 161 and the water inlet box 160, and then is sprayed out by the nozzle 141. At this time, the motor 142 is started to drive the spray rod 140 to rotate, thereby increasing the spraying range. At the same time, the first rotating shaft 150 is driven to rotate through the cooperation of the first bevel gear and the second bevel gear. The first rotating shaft 150 drives the reciprocating screw 151 to rotate. The reciprocating screw 151 rotates and cooperates with the nut 152 to drive the extrusion net 121 to move back and forth to repeatedly extrude the hydrophilic and hydrophobic particle layer.

[0029] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An offshore platform deoiler, comprising a deoiling tank, characterized in that: A water inlet pipe and a water outlet pipe are respectively installed on both sides of the oil removal tank, a rectangular mesh basket and a rectangular frame are respectively fixedly installed on the oil removal tank, an extrusion mesh is slidably installed in the rectangular mesh basket, the rectangular mesh basket is filled with a hydrophilic and hydrophobic particle layer, a modified limit strip is connected in the rectangular frame, a spray rod is rotatably installed between the two sides of the inner wall of the oil removal tank, a plurality of spray heads are installed on the spray rod, the extrusion mesh is connected to the spray rod through a driving member, a motor is fixedly installed on the top of the spray rod, a water inlet assembly is installed on the outside of the spray rod, and a first oil outlet pipe and a second oil outlet pipe are arranged on the top of the oil removal tank.

2. The offshore platform oil skimmer according to claim 1, characterized in that: The driving member includes a first rotating shaft, a reciprocating screw and a nut. The first rotating shaft is rotatably installed on one side of the inner wall of the rectangular basket. One end of the first rotating shaft movably passes through the extrusion net and is fixedly installed with a first bevel gear. The second bevel gear is fixedly installed on the outer side of the spray rod. The first bevel gear and the second bevel gear are meshed and connected. The reciprocating screw is fixedly sleeved on the outer side of the first rotating shaft, the nut is fixedly installed on the extrusion net, and the nut is threadedly installed on the reciprocating screw.

3. An offshore platform oil skimmer according to claim 2, characterized in that: A first limit plate and a second limit plate are fixedly mounted on both ends of the reciprocating screw, respectively. The first limit plate and the second limit plate are fixedly sleeved on the outer side of the first rotating shaft.

4. The offshore platform oil skimmer according to claim 3, characterized in that: A protective sleeve rod is fixedly mounted on one side of the extrusion net, and the protective sleeve rod is movably sleeved on the outer sides of the reciprocating screw and the first limiting plate.

5. The offshore platform oil skimmer according to claim 2, characterized in that: A support rod is fixedly installed at the bottom end of the inner wall of the oil removal tank, a support circular plate is fixedly installed at the top end of the support rod, and the first rotating shaft slides through the support circular plate.

6. The offshore platform oil skimmer according to claim 1, characterized in that: A plurality of telescopic rods are fixedly installed between the rectangular mesh basket and the extruded mesh.

7. The offshore platform oil skimmer according to claim 1, characterized in that: The first oil outlet pipe, the rectangular mesh basket, the second oil outlet pipe, the spray rod and the rectangular frame are installed in sequence in the oil removal tank from the water inlet pipe to the water outlet pipe.

8. The offshore platform oil skimmer according to claim 1, characterized in that: The water inlet assembly includes a water inlet box and a connecting pipe. The top of the oil removal tank is fixedly mounted with a bracket, the bracket is U-shaped, the water inlet box is fixedly mounted on the top of the oil removal tank, the top of the spray rod passes through the top of the oil removal tank and the water inlet box and is rotatably connected to the top of the inner wall of the bracket, a connecting pipe is installed on one side of the water inlet box, a water storage chamber is formed between the inner wall of the water inlet box and the spray rod, and a plurality of water inlet holes are arranged on the outside of the spray rod.

Images