CN113294332B - Screw pump for efficiently pumping oil sludge for oilfield development - Google Patents

Screw pump for efficiently pumping oil sludge for oilfield development Download PDF

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Publication number
CN113294332B
CN113294332B CN202110829574.XA CN202110829574A CN113294332B CN 113294332 B CN113294332 B CN 113294332B CN 202110829574 A CN202110829574 A CN 202110829574A CN 113294332 B CN113294332 B CN 113294332B
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China
Prior art keywords
shell
assembly
frame
water
plate
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CN202110829574.XA
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Chinese (zh)
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CN113294332A (en
Inventor
薛鹏
潜凌
韩涛
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Shandong Plateau Oil And Gas Equipment Co ltd
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Shandong Plateau Oil And Gas Equipment Co ltd
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Publication of CN113294332A publication Critical patent/CN113294332A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/06—Arrangements for treating drilling fluids outside the borehole
    • E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/06—Arrangements for treating drilling fluids outside the borehole
    • E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
    • E21B21/065—Separating solids from drilling fluids
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
    • E21B43/121—Lifting well fluids
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/34—Arrangements for separating materials produced by the well
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0096—Heating; Cooling

Abstract

The invention relates to the field of oil field oil sludge treatment, in particular to a screw pump for efficiently pumping oil sludge for oil field development, which comprises a supporting underframe, a pumping assembly, a stirring assembly, an anti-blocking assembly and the like; support the chassis top and be equipped with pumping module, pumping module right side is equipped with the stirring subassembly, prevents that the jam subassembly is located on the feeding casing. Through the stirring effect of stirring frame for dirty greasy dirt through feeding casing is stirred fully, improves the mobility of dirty greasy dirt, and water passes through the check valve and pours into in the feeding casing into simultaneously, in order to further improve the mobility of dirty greasy dirt in the material frame, thereby further improve the pumping efficiency of dirty greasy dirt, reached the effect that carries out the pump sending to dirty greasy dirt high-efficiently.

Description

Screw pump for efficiently pumping oil sludge for oilfield development
Technical Field
The invention relates to the field of oil field oil sludge treatment, in particular to a screw pump for efficiently pumping oil sludge for oil field development.
Background
With the continuous improvement of the scientific and technical level, the demand of people on petroleum is promoted to be continuously increased, the petroleum industry in China is rapidly developed, a large amount of dirty oil sludge can be formed in the petroleum processing production process, the dirty oil sludge is a pollutant generated in each stage of petroleum processing, the components are extremely complex, if the dirty oil sludge is directly discharged into the environment, serious harm can be caused to air, soil and water in the environment, and therefore equipment for efficiently pumping the dirty oil sludge is urgently needed.
Because the mobility of dirty fatlute is poor, current dirty fatlute pumping installations can lead to the pumping efficiency of dirty fatlute to be lower because the load is great, and the easy caking of dirty fatlute easily leads to dirty fatlute pumping installations to block up and reduce the pumping efficiency of dirty fatlute, and prior art injects into a large amount of water and can consume a large amount of water resources in to dirty fatlute simultaneously, causes the waste of resource, is unfavorable for the water economy resource, and has increased the total amount that needs handle dirty fatlute, has increased subsequent work load.
Disclosure of Invention
Therefore, in order to solve the above problems, it is necessary to provide a screw pump for efficiently pumping oil sludge for oilfield development, which efficiently pumps oil sludge, prevents equipment from being blocked, and effectively saves water resources, so as to solve the problems of the prior art, such as low oil sludge pumping efficiency, easy blockage by oil sludge, and unfavorable water resource saving.
The technical scheme is as follows: a screw pump for efficiently pumping oil sludge for oilfield development comprises:
a pumping assembly disposed above the support chassis, the pumping assembly for efficient pumping of the contaminated oil sludge; an agitation assembly disposed to the right of the pumping assembly, the agitation assembly for improving the flowability of the sludge;
the pumping assembly comprises:
the feeding shell is connected to one side of the supporting underframe; the flow guide limiting shell is fixedly connected above the feeding shell, is communicated with the feeding shell and is used for conveying oil sludge; the speed reducing motor is fixedly arranged above the left side of the supporting underframe; the first conveying screw is rotatably connected to the diversion limiting shell and fixedly connected with an output shaft of the speed reducing motor; the second conveying screw is rotatably connected in the diversion limiting shell and is positioned on one side of the first conveying screw, and the first conveying screw is tightly attached to the second conveying screw; and the two transmission gears are respectively and fixedly connected to the right ends of the first conveying screw rod and the second conveying screw rod and are meshed with each other.
Preferably, mix the subassembly including transfer line, stirring frame, rocking arm and driving plate, the drive gear outside fixedly connected with transfer line, the inside symmetry rotary type of feeding casing is connected with the stirring frame, stirs the frame outside fixedly connected with rocking arm, the rotary type is connected with the driving plate between rocking arm and the transfer line.
Preferably, still including preventing stifled subassembly, prevent blockking up the subassembly and locate on the feeding casing, prevent blockking up the subassembly including the check valve, the water storage box, first backup pad, jam plate and first spring, the check valve has been inlayed to feeding casing one side, feeding casing one side fixed mounting has the water storage box, the water storage box passes through check valve and feeding casing inner chamber intercommunication, the first backup pad of water storage box lower part inner wall fixedly connected with, the sliding type is connected with jam plate on the first backup pad, be connected with first spring between jam plate and the first backup pad, the water storage box of jam plate upside is opened there is the mouth of a river, the sealed cooperation of the mouth of a river of jam plate and water storage box.
Preferably, still including the water injection control assembly, on the water storage box was located to the water injection control assembly, the water injection control assembly kept off the frame and the inlet tube including buoyancy, and water storage box front side inner wall upper portion sliding connection has the buoyancy that is used for closing the inlet tube entry and keeps off the frame, and water storage box front side upper portion intercommunication has the inlet tube.
As preferred, still including heating speeding subassembly, on the spacing casing of water conservancy diversion was located to heating speeding subassembly, heating speeding subassembly was including direction casing and heating frame, the spacing casing top fixedly connected with of water conservancy diversion direction casing, direction casing and the spacing casing intercommunication of water conservancy diversion, the outside fixedly connected with of direction casing a plurality of heating frames.
Preferably, the opening at the upper end of the guide shell is small, the opening at the lower end of the guide shell is large, and the lower end of the guide shell is communicated with the flow guide limiting shell and used for increasing the flow speed of the oil sludge and improving the pumping efficiency of the oil sludge.
Preferably, the solid impurity separation assembly is arranged on the supporting bottom frame and comprises a flow guide shell, a spiral separation pipe and an impurity delivery pipe, the flow guide shell is fixedly connected to the supporting bottom frame and connected with the upper end of the flow guide shell, the spiral separation pipe with holes is connected into the flow guide shell, one end of the spiral separation pipe is communicated with the flow guide shell, the other end of the spiral separation pipe is communicated with the impurity delivery pipe, and the impurity delivery pipe penetrates through the flow guide shell.
Preferably, the oil-water separation device further comprises an oil-water separation assembly, the oil-water separation assembly is arranged on the guide shell, the oil-water separation assembly comprises a sliding pushing frame, a T-shaped connecting plate, a slotted transmission frame, a second spring, a separation permeable membrane and a guide pipe, the sliding pushing frame is connected to one side of the guide shell in a sliding mode, the T-shaped connecting plate is fixedly connected to the upper portion of the sliding pushing frame, the slotted transmission frame is connected to the T-shaped connecting plate in a sliding mode, the slotted transmission frame is in limit fit with the transmission rod, the second spring is connected between the slotted transmission frame and the T-shaped connecting plate, the separation permeable membrane is fixedly connected to the lower portion of the right side of the guide shell, the separation permeable membrane is located on the lower side of a rectangular plate of the sliding pushing frame, the guide pipe is arranged between the water storage box and the guide shell, and the guide pipe is located below the separation permeable membrane.
As preferred, still derive the subassembly including crude oil, crude oil is derived the subassembly and is located to slide and push away on the frame, crude oil is derived the subassembly including the second backup pad, the driving lever, the third spring, sliding partition, dial frame and fourth spring, the rectangle board rear side fixedly connected with second backup pad that slides and push away the frame, second backup pad upper portion sliding connection has the driving lever, be connected with the third spring between driving lever one side and the second backup pad, water conservancy diversion casing rear side lower part sliding connection has sliding partition, sliding partition front side upper portion fixedly connected with dials the frame, dial the frame and cooperate with the driving lever opposite side, dial and be connected with the fourth spring between frame and the water conservancy diversion casing.
The invention has the beneficial effects that:
stirring effect through stirring the frame for dirty greasy dirt through feeding casing is stirred fully, improves dirty greasy dirt's mobility, with the pumping efficiency who improves dirty greasy dirt, prevents dirty greasy dirt caking simultaneously, prevents that this equipment from being blockked up, has guaranteed the steady operation of this equipment.
Water is injected into the feeding shell through the one-way valve, so that the flowability of the oil sludge in the material frame is further improved, the pumping efficiency of the oil sludge is further improved, and the effect of efficiently pumping the oil sludge is achieved.
The heating frame can heat the dirty oil mud in the pump sending, promotes fatlute separation, and the dirty oil mud in the spiral separation pipe can be separated under the effect of centrifugal force afterwards for in the crude oil and the water of being separated out were thrown away to the water conservancy diversion casing, mud impurity then can be discharged through the impurity delivery pipe, had reached and carried out the purpose of separating dirty oil mud effectively.
The water in the separated oil water flows into the guide pipe through the separation permeable membrane and has the function of supplementing water for the water storage tank, so that the separated water is secondarily utilized, the flowability of the oil sludge is improved, and the purpose of improving the pumping efficiency of the oil sludge while the water resource is saved is achieved.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a schematic perspective view of a portion of a pumping assembly according to the present invention.
Fig. 4 is a schematic cross-sectional perspective view of the pumping assembly and agitating assembly of the present invention.
FIG. 5 is a schematic cross-sectional perspective view of a water injection control assembly of the present invention.
Fig. 6 is a partially disassembled perspective view of the anti-clogging assembly of the present invention.
Fig. 7 is a schematic perspective view of the heating accelerating assembly of the present invention.
Fig. 8 is a schematic sectional perspective view of the solid impurity separation module of the present invention.
FIG. 9 is a schematic diagram of a partially cut-away perspective structure of the oil-water separation assembly according to the present invention.
Fig. 10 is an enlarged perspective view of the present invention a.
FIG. 11 is a schematic perspective view of a crude oil export assembly according to the present invention.
Description of reference numerals: 1. a supporting chassis, 2, a pumping assembly, 21, a feeding shell, 22, a diversion limit shell, 23, a motor, 24, a first conveying screw, 25, a second conveying screw, 26, a transmission gear, 3, a stirring assembly, 31, a transmission rod, 32, a stirring frame, 33, a rocker arm, 34, a transmission plate, 4, an anti-blocking assembly, 41, a one-way valve, 42, a water storage tank, 43, a first supporting plate, 44, a blocking plate, 45, a first spring, 40, a water injection control assembly, 401, a buoyancy baffle frame, 402, a water inlet pipe, 5, a heating speed-increasing assembly, 51, a guide shell, 52, a heating frame, 6, a solid impurity separation assembly, 61, a diversion shell, 62, a spiral separation pipe, 63, an impurity guide pipe, 7, an oil-water separation assembly, 71, a sliding pushing frame, 72, a T-shaped connecting plate, 73, a slotted frame, 74, a second spring, 75, a separation permeable membrane, 76, a diversion pipe, a water inlet pipe, a water outlet pipe, Honeycomb duct, 8, crude oil derive the subassembly, 81, second backup pad, 811, driving lever, 812, third spring, 82, sliding partition, 83, dial the frame, 84, fourth spring.
Detailed Description
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.
Example 1
A screw pump for efficiently pumping oil sludge for oilfield development is disclosed, as shown in figures 1-4, and comprises a support chassis 1, a pumping assembly 2 and a stirring assembly 3, wherein the pumping assembly 2 for efficiently pumping the oil sludge is arranged above the support chassis 1, and the stirring assembly 3 for improving the flowability of the oil sludge is arranged on the right side of the pumping assembly 2.
The pumping assembly 2 comprises a feeding shell 21, a diversion limit shell 22, a speed reducing motor 23, a first conveying screw 24, a second conveying screw 25 and a transmission gear 26, the right side of the supporting underframe 1 is connected with the feeding shell 21, the diversion limit shell 22 is fixedly connected above the feeding shell 21, the interior of the diversion limit shell 22 is of a cavity structure, the diversion limit shell 22 is communicated with the feeding shell 21, the speed reducing motor 23 is fixedly installed above the left side of the supporting underframe 1, the speed reducing motor 23 is positioned on the left side of the diversion limit shell 22, the first conveying screw 24 is rotatably installed at the front part of the diversion limit shell 22, the left end of the first conveying screw 24 is fixedly connected with the right end of an output shaft of the speed reducing motor 23, the diversion limit shell 22 at the rear side of the first conveying screw 24 is rotatably connected with the second conveying screw 25, and the first conveying screw 24 and the second conveying screw 25 are jointly matched for efficiently pumping the greasy dirt, the first conveying screw 24 is tightly attached to the second conveying screw 25, the transmission gears 26 are fixedly connected to the right sides of the first conveying screw 24 and the second conveying screw 25, the transmission gears 26 are located on the right side of the diversion limit shell 22, and the two transmission gears 26 are meshed.
The stirring assembly 3 comprises a transmission rod 31, a stirring frame 32, rocker arms 33 and a transmission plate 34, the transmission rods 31 are fixedly connected to the outer sides of the two transmission gears 26 respectively, the stirring frame 32 for improving the flowability of the sludge is symmetrically and rotatably connected to the inner portion of the feeding shell 21, the rocker arms 33 are fixedly connected to the outer sides of the stirring frame 32, the rocker arms 33 are located below the transmission gears 26, and the transmission plate 34 is rotatably connected between the upper rocker arm 33 and the lower rocker arm 33 which are adjacent to each other and the transmission rod 31.
The feeding shell 21 is communicated with other sludge conveying equipment, the manual control speed reducing motor 23 is started, the speed reducing motor 23 drives the first conveying screw rod 24 through an output shaft, the first conveying screw rod 24 rotates clockwise and is in transmission fit with the two meshed transmission gears 26, the second conveying screw rod 25 is reversed, through the fit of the first conveying screw rod 24 and the second conveying screw rod 25, the sludge is enabled to be pumped upwards through the diversion limiting shell 22, meanwhile, due to the effect of the transmission plate 34, the rocker arm 33 and the device on the rocker arm can rotate, through the stirring effect of the stirring frame 32, the sludge passing through the feeding shell 21 is enabled to be fully stirred, the pumping efficiency of the sludge is improved, and after the pumping is finished, the manual control speed reducing motor 23 is turned off.
Example 2
On the basis of the embodiment 1, as shown in fig. 5 to 6, the anti-blocking device 4 is further included, the anti-blocking device 4 is disposed on the feeding shell 21, the anti-blocking device 4 includes a one-way valve 41, a water storage tank 42, a first supporting plate 43, a blocking plate 44 and a first spring 45, the one-way valve 41 is embedded at one side of the feeding shell 21, the one-way valve 41 is used for preventing water from flowing reversely, the water storage tank 42 is fixedly mounted at one side of the feeding shell 21, and the water storage tank 42 is divided into an upper cavity and a lower cavity by a partition plate; the water storage tank 42 is positioned on the right side of the diversion limit shell 22, a cavity below the water storage tank 42 is communicated with the inner cavity of the feeding shell 21 through the check valve 41, a first supporting plate 43 is fixedly connected to the inner wall of the cavity on the lower portion of the water storage tank 42, a blocking plate 44 used for blocking the water storage tank 42 is slidably connected to the first supporting plate 43, a first spring 45 used for driving the blocking plate 44 to reset is connected between the blocking plate 44 and the first supporting plate 43, a water outlet is formed in the water storage tank 42 on the upper side of the blocking plate 44, namely, a water outlet used for communicating the upper cavity with the lower cavity is formed in the partition plate, and the blocking plate 44 is in sealing fit with the water outlet of the water storage tank 42.
Still including water injection control assembly 40 for on preventing to pour into the water storage box 42 water too much water injection control assembly 40 locates water storage box 42, water injection control assembly 40 keeps off frame 401 and inlet tube 402 including buoyancy, and the sliding connection has buoyancy to keep off frame 401 on the inner wall of water storage box 42 front side, and the intercommunication has the inlet tube 402 that is used for pouring into water storage box 42 on the outer wall of water storage box 42 front side upper portion, keeps off the frame 401 through buoyancy and is used for sealing the inlet tube 402 entry.
The water is filled in the lower part of the water storage tank 42, the one-way valve 41 only allows water to pass through in one way, the water in the lower part of the water storage tank 42 can flow into the feeding shell 21 through the one-way valve 41, the water is mixed into the greasy dirt through the rotation fit of the stirring frame 32, so as to improve the fluidity of the greasy dirt and prevent the blockage situation, the water inlet pipe 402 is communicated with other water supply equipment, in the process of pumping the greasy dirt, the other water supply equipment is manually controlled to inject the water into the upper part of the water storage tank 42 through the water inlet pipe 402, when the water in the lower part of the water storage tank 42 flows into the feeding shell 21 through the one-way valve 41, the blocking plate 44 can be attracted by the water flow, so that the blocking plate 44 moves downwards and does not block the water storage tank 42 any more, the first spring 45 can be compressed along with the water flow in the upper part of the water storage tank 42 to the lower part of the water storage tank 42, and the blocking frame 401 can move upwards along with the rising of the buoyancy force in the water storage tank 42, then the buoyancy blocking frame 401 blocks the water inlet pipe 402 to prevent excessive water from being injected into the water storage tank 42, after pumping is completed, other water supply equipment is manually controlled to stop delivering water, and when the water in the water storage tank 42 is used up, the first spring 45 can reset and drive the blocking plate 44 to reset; by the structure, water can be automatically mixed into the oil sludge, and the pumping efficiency of the oil sludge is further improved.
Example 3
On the basis of embodiment 2, as shown in fig. 7 to 8, the oil sludge pump further includes a heating and speed-increasing assembly 5, the heating and speed-increasing assembly 5 for promoting oil sludge separation is disposed on the diversion limiting shell 22, the heating and speed-increasing assembly 5 includes a guide shell 51 and a heating rack 52, the guide shell 51 for increasing the flow rate of the oil sludge is fixedly connected above the diversion limiting shell 22, an opening at an upper end of the guide shell 51 is smaller, an opening at a lower end of the guide shell 51 is larger, a lower end of the guide shell 51 is communicated with the diversion limiting shell 22, and a heating rack 52 for heating the oil sludge in the pumping process is fixedly connected to the outside of the guide shell 51.
Still including solid impurity separation element 6, solid impurity separation element 6 is located on supporting chassis 1, solid impurity separation element 6 is including water conservancy diversion casing 61, spiral separator tube 62 and impurity contact tube 63, fixedly connected with water conservancy diversion casing 61 on the supporting chassis 1, water conservancy diversion casing 61 is connected with direction casing 51 upper end, water conservancy diversion casing 61 in-connection has the spiral separator tube 62 that is used for the separation with dirty oil mud, spiral separator tube 62 is the heliciform, and the distributing type is opened there is the aperture on it, the quantity of aperture is four at least, be equipped with the osmotic membrane in the aperture, spiral separator tube 62 one end and direction casing 51 intercommunication, spiral separator tube 62 other end intercommunication has the impurity contact tube 63 that is used for deriving mud impurity, impurity contact tube 63 passes water conservancy diversion casing 61.
The impurity delivery pipe 63 is communicated with other oil sludge treatment equipment, and in the process of pumping the oil sludge, the heating frame 52 heats the pumped oil sludge, so that the oil sludge separation is promoted, to facilitate subsequent separation operations, as the sludge is pumped from the guide housing 51 to the spiral separation tube 62, since the guide housing 51 has a larger diameter than the spiral separation tube 62, the sludge is accelerated to be pumped in the spiral separation tube 62, meanwhile, as the spiral separation pipe 62 is spiral and is provided with small holes in a distributed way, the small holes are also provided with permeable membranes which only allow oil and water to pass through, make oil and water in the dirty fatlute through the effect separation of centrifugal force, by the oil and the water of separating throw away to water conservancy diversion casing 61 in, mud impurity then can discharge to other dirty fatlute treatment facility through impurity eduction tube 63 on, the reutilization of being convenient for to realize the purpose of separating dirty fatlute high-efficiently.
Example 4
On the basis of embodiment 3, as shown in fig. 7-11, the oil-water separation device further includes an oil-water separation assembly 7, the oil-water separation assembly 7 for separating crude oil from water is disposed on the guide shell 61, the oil-water separation assembly 7 includes a sliding push frame 71, a T-shaped connecting plate 72, a slotted transmission frame 73, a second spring 74, a separation permeable membrane 75 and a guide tube 76, the sliding push frame 71 is slidably connected to one side of the guide shell 61, the lower portion of the sliding push frame 71 is in a rectangular plate-shaped structure, the T-shaped connecting plate 72 is fixedly connected to the upper portion of the sliding push frame 71, the slotted transmission frame 73 is slidably connected to the T-shaped connecting plate 72, the slotted transmission frame 73 is located outside the guide shell 61, the slotted transmission frame 73 is in limit fit with the transmission rod 31, the second spring 74 for driving the slotted transmission frame 73 to reset is connected between the slotted transmission frame 73 and the T-shaped connecting plate 72, the separation permeable membrane 75 is fixedly connected to the lower portion of the right side of the guide shell 61, the separation permeable membrane 75 only allows water to pass through, the separation permeable membrane 75 is positioned below the rectangular plate of the sliding pushing frame 71, a guide pipe 76 for guiding the separated water is communicated above the water storage tank 42, the guide pipe 76 is fixedly connected with the guide shell 61, and the guide pipe 76 is positioned below the separation permeable membrane 75.
The device also comprises a crude oil guiding-out component 8, the crude oil guiding-out component 8 used for guiding out crude oil is arranged on the sliding pushing frame 71, the crude oil guiding-out component 8 comprises a second supporting plate 81, a driving lever 811 and a third spring 812, sliding partition 82, dial frame 83 and fourth spring 84, the sliding pushes away the rectangular plate rear side fixedly connected with second backup pad 81 of frame 71, second backup pad 81 upper portion sliding connection has driving lever 811, driving lever 811 left end is the button head structure, be connected with the third spring 812 that is used for driving lever 811 to reset between driving lever 811 one side and the second backup pad 81, guiding shell 61 rear side lower part sliding connection has sliding partition 82 that is used for plugging up guiding shell 61, sliding partition 82 front side upper portion fixedly connected with dials frame 83, dial frame 83 and driving lever 811 opposite side and cooperate, dial and be connected with the fourth spring 84 that is used for driving and dials frame 83 to reset between frame 83 and the guiding shell 61.
The separated oil and water will flow to the lower part of the right side of the diversion shell 61 under the guiding action of the diversion shell 61, when the transmission rod 31 and the device on the transmission rod 31 on the front side rotate clockwise, the transmission rod 31 on the front side will drive the slotted transmission frame 73 to move downwards, the slotted transmission frame 73 will drive the T-shaped connecting plate 72 and the device on the T-shaped connecting plate to move downwards through the second spring 74, so that the sliding push frame 71 will press the oil and water on the lower part of the right side of the diversion shell 61, then the second spring 74 will be compressed, because the separation permeable membrane 75 only allows water to pass through, so that the water passes through the separation permeable membrane 75 and flows into the diversion tube 76, crude oil is left above the separation permeable membrane 75, the separated water will be injected into the water storage tank 42 through the diversion tube 76 and is used to increase the fluidity of the dirt in the feeding shell 21, thereby realizing the significance of saving the oil sludge, when the deflector 811 and the device on the transmission rod are moved downwards, through the cooperation of the deflector 811 and the third spring 812, the driving lever 811 and the upper device thereof move to the lower part of the shifting frame 83, when the driving lever 811 and the upper device thereof move upwards, the driving lever 811 pushes the shifting frame 83 and the upper device thereof to move upwards, the fourth spring 84 is compressed therewith, so that the sliding partition 82 is opened, crude oil above the separation permeable membrane 75 is discharged to other collecting devices through the lower part of the rear side of the diversion shell 61, then the second spring 74 resets and drives the slotted transmission frame 73 and the upper device thereof to reset to the initial position, the driving lever 811 is separated from the shifting frame 83 under the cooperation of the third spring 812, the fourth spring 84 resets and drives the shifting frame 83 and the upper device thereof to reset, and the above operations are repeated to continuously and efficiently pump the sludge.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a screw pump of oil field development with high-efficient pumping of dirty fatlute which characterized in that, including:
a pumping assembly (2), the pumping assembly (2) being arranged above the support chassis (1), the pumping assembly (2) being for efficient pumping of the contaminated oil sludge;
an agitating assembly (3), wherein the agitating assembly (3) is arranged at the right side of the pumping assembly (2), and the agitating assembly (3) is used for improving the flowability of the sludge;
the pumping assembly (2) comprises:
the feeding shell (21), the feeding shell (21) is connected to one side of the supporting chassis (1);
the flow guide limiting shell (22) is fixedly connected above the feeding shell (21), the flow guide limiting shell (22) is communicated with the feeding shell (21), and the flow guide limiting shell (22) is used for conveying oil sludge;
the speed reducing motor (23), the speed reducing motor (23) is fixedly installed above the left side of the supporting underframe (1);
the first conveying screw (24) is rotatably connected to the diversion limit shell (22), and the first conveying screw (24) is fixedly connected with an output shaft of the speed reducing motor (23);
the second conveying screw (25) is rotatably connected in the diversion limit shell (22), the second conveying screw (25) is positioned on one side of the first conveying screw (24), and the first conveying screw (24) is tightly attached to the second conveying screw (25);
the two transmission gears (26), the two transmission gears (26) are respectively and fixedly connected to the right ends of the first conveying screw (24) and the second conveying screw (25), and the two transmission gears (26) are meshed;
the heating and speed-increasing device is characterized by further comprising a heating and speed-increasing assembly (5), wherein the heating and speed-increasing assembly (5) is arranged on the diversion limiting shell (22), the heating and speed-increasing assembly (5) comprises a guide shell (51) and a heating frame (52), the guide shell (51) is fixedly connected above the diversion limiting shell (22), the guide shell (51) is communicated with the diversion limiting shell (22), and the plurality of heating frames (52) are fixedly connected to the outer part of the guide shell (51);
the upper end opening of the guide shell (51) is small, the lower end opening is large, and the lower end of the guide shell (51) is communicated with the flow guide limiting shell (22) and used for increasing the flow rate of the oil sludge;
the solid impurity separation assembly (6) is arranged on the supporting bottom frame (1), the solid impurity separation assembly (6) comprises a flow guide shell (61), a spiral separation pipe (62) and an impurity discharge pipe (63), the flow guide shell (61) is fixedly connected to the supporting bottom frame (1), the flow guide shell (61) is connected with the upper end of a guide shell (51), the spiral separation pipe (62) with holes is connected to the inside of the flow guide shell (61), one end of the spiral separation pipe (62) is communicated with the guide shell (51), the other end of the spiral separation pipe (62) is communicated with the impurity discharge pipe (63), and the impurity discharge pipe (63) penetrates through the flow guide shell (61);
the oil-water separator further comprises an oil-water separation assembly (7), the oil-water separation assembly (7) is arranged on the guide shell (61), the oil-water separation assembly (7) comprises a sliding push frame (71), a T-shaped connecting plate (72), a slotted transmission frame (73), a second spring (74), a separation permeable membrane (75) and a guide pipe (76), the sliding push frame (71) is connected to one side of the guide shell (61) in a sliding manner, the T-shaped connecting plate (72) is fixedly connected to the upper portion of the sliding push frame (71), the slotted transmission frame (73) is connected to the T-shaped connecting plate (72) in a sliding manner, the slotted transmission frame (73) is in limit fit with the transmission rod (31), the second spring (74) is connected between the slotted transmission frame (73) and the T-shaped connecting plate (72), the separation permeable membrane (75) is fixedly connected to the lower portion of the right side of the guide shell (61), and the separation permeable membrane (75) is located on the lower side of a rectangular plate of the sliding push frame (71), a draft tube (76) is arranged between the water storage tank (42) and the diversion shell (61), and the draft tube (76) is positioned below the separation permeable membrane (75).
2. The screw pump of claim 1, wherein the stirring assembly (3) comprises a transmission rod (31), a stirring frame (32), a rocker arm (33) and a transmission plate (34), the transmission rod (31) is fixedly connected to the outer sides of the two transmission gears (26), the stirring frame (32) is rotatably connected to the inner part of the feeding shell (21), the rocker arm (33) is fixedly connected to the outer side of the stirring frame (32), and the transmission plate (34) is rotatably connected between the rocker arm (33) and the transmission rod (31).
3. The screw pump for efficiently pumping oil sludge for oilfield development according to claim 2, further comprising an anti-clogging assembly (4), wherein the anti-clogging assembly (4) is arranged on the feeding shell (21), the anti-clogging assembly (4) comprises a one-way valve (41), a water storage tank (42), a first support plate (43), a clogging plate (44) and a first spring (45), the one-way valve (41) is embedded at one side of the feeding shell (21), the water storage tank (42) is fixedly installed at one side of the feeding shell (21), the water storage tank (42) is communicated with the inner cavity of the feeding shell (21) through the one-way valve (41), the first support plate (43) is fixedly connected to the inner wall of the lower part of the water storage tank (42), the clogging plate (44) is slidably connected to the first support plate (43), the first spring (45) is connected between the clogging plate (44) and the first support plate (43), the water storage tank (42) on the upper side of the blocking plate (44) is provided with a drainage port, and the blocking plate (44) is in sealing fit with the drainage port of the water storage tank (42).
4. The screw pump of claim 3, further comprising a water injection control assembly (40), wherein the water injection control assembly (40) is arranged on the water storage tank (42), the water injection control assembly (40) comprises a buoyancy blocking frame (401) and a water inlet pipe (402), the water inlet pipe (402) is communicated with the upper portion of the front side of the water storage tank (42), and the buoyancy blocking frame (401) used for closing an inlet of the water inlet pipe (402) is slidably connected to the upper portion of the inner wall of the front side of the water storage tank (42).
5. The screw pump for efficiently pumping the oil sludge for the oilfield development according to claim 4, further comprising a crude oil leading-out assembly (8), wherein the crude oil leading-out assembly (8) is arranged on the sliding push frame (71), the crude oil leading-out assembly (8) comprises a second supporting plate (81), a driving lever (811), a third spring (812), a sliding partition plate (82), a shifting frame (83) and a fourth spring (84), the rear side of the rectangular plate of the sliding push frame (71) is fixedly connected with the second supporting plate (81), the upper part of the second supporting plate (81) is slidably connected with the driving lever (811), the third spring (812) is connected between one side of the driving lever (811) and the second supporting plate (81), the lower part of the rear side of the diversion shell (61) is slidably connected with the sliding partition plate (82), the upper part of the front side of the sliding partition plate (82) is fixedly connected with the shifting frame (83), and the shifting frame (83) is matched with the other side of the driving lever (811), a fourth spring (84) is connected between the poking frame (83) and the flow guide shell (61).
CN202110829574.XA 2021-07-22 2021-07-22 Screw pump for efficiently pumping oil sludge for oilfield development Active CN113294332B (en)

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CN109931257A (en) * 2019-04-26 2019-06-25 无锡职业技术学院 Multi-functional double helix viscous flow pump

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US8454334B2 (en) * 2011-02-10 2013-06-04 Trane International Inc. Lubricant control valve for a screw compressor
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CN102062252A (en) * 2010-10-23 2011-05-18 袁石楚 Water valve of water tank
CN202023735U (en) * 2011-04-23 2011-11-02 江西新龙泵业科技制造有限公司 Cutting type double-screw pump
CN103505054A (en) * 2013-09-06 2014-01-15 徐州东方传动机械有限公司 Water-receiving groove capable of automatically discharging water
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