CN110668390A - Novel device and method for absorbing crude oil falling to ground - Google Patents
Novel device and method for absorbing crude oil falling to ground Download PDFInfo
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- CN110668390A CN110668390A CN201910893321.1A CN201910893321A CN110668390A CN 110668390 A CN110668390 A CN 110668390A CN 201910893321 A CN201910893321 A CN 201910893321A CN 110668390 A CN110668390 A CN 110668390A
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- 239000010779 crude oil Substances 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000003921 oil Substances 0.000 claims abstract description 278
- 238000010521 absorption reaction Methods 0.000 claims abstract description 51
- 238000000605 extraction Methods 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000010802 sludge Substances 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000003993 interaction Effects 0.000 abstract 1
- 238000003900 soil pollution Methods 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 5
- 238000011084 recovery Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/78—Arrangements of storage tanks, reservoirs or pipe-lines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/04—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring fuels, lubricants or mixed fuels and lubricants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/76—Arrangements of devices for purifying liquids to be transferred, e.g. of filters, of air or water separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D2210/00—Indexing scheme relating to aspects and details of apparatus or devices for dispensing beverages on draught or for controlling flow of liquids under gravity from storage containers for dispensing purposes
- B67D2210/00002—Purifying means
- B67D2210/00005—Filters
- B67D2210/0001—Filters for liquid
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compressor (AREA)
Abstract
The invention discloses a novel device and a novel method for absorbing ground crude oil, and the device comprises a vacuum tube (1), an air inlet tube (2), an oil absorption assembly, an oil discharge assembly and an exhaust assembly, wherein one axial end of the vacuum tube (1) is connected with the air inlet tube (2), the diameter of the vacuum tube (1) is larger than that of the air inlet tube (2), the vacuum tube (1) is radially and respectively connected with the oil absorption assembly, the oil discharge assembly and the exhaust assembly, the oil absorption assembly and the oil discharge assembly are arranged on the lower side of the vacuum tube (1), the exhaust assembly is arranged on the upper side of the vacuum tube (1), the input end of the air inlet tube (2) is externally connected with an air compressor, and the output end of. The invention can absorb and discharge the crude oil near the oil suction head to be loaded in the oil loading equipment through the interaction of the local negative pressure and the atmospheric pressure, thereby reducing the crude oil loss, the soil pollution, the production amount of the dirty oil sludge and the treatment cost of the dirty oil sludge.
Description
Technical Field
The invention belongs to the technical field of recovery of ground crude oil in the oil extraction industry, and particularly relates to a novel device and a novel method for absorbing ground crude oil.
Background
The oil extraction industry causes the accident that crude oil leaks to the well site because of various reasons, generally adopt the method of mixing and bagging the crude oil on the ground together with polluted soil, treat as dirty oil sludge, because the crude oil floating on the ground has high purity and low water content, belongs to high-quality oil products, still has the value of utilization, treat as dirty oil sludge with polluted soil, it is big to fall to the ground crude oil loss, cause the wasting of resources, the production volume of dirty oil sludge is big, the dirty oil sludge treatment cost is increased, and current dust collecting equipment can not absorb crude oil, can not be used for the recovery of the oil on the ground of oil production site.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a novel device and a novel method for absorbing crude oil on the ground, and overcomes the defects that in the prior art, the weight ratio of the crude oil is 1: the loss of the crude oil falling to the ground is large, so that the resource waste is caused; 2: the production amount of the dirty oil sludge is large, and the treatment cost of the dirty oil sludge is increased; 3: the existing dust collecting equipment can not absorb crude oil and can not be used for recovering the crude oil falling to the ground on an oil production site.
In order to solve the technical problem, the technical scheme of the invention is as follows: the utility model provides a novel absorb device of crude oil that falls to ground, includes vacuum tube, intake pipe, oil absorption subassembly, oil extraction subassembly and exhaust subassembly, wherein the intake pipe is connected to vacuum tube axial one end, and wherein the diameter of vacuum tube is greater than the diameter of intake pipe, the vacuum tube radially is connected with oil absorption subassembly, oil extraction subassembly and exhaust subassembly respectively, and wherein oil absorption subassembly and oil extraction subassembly set up in the vacuum tube downside, and wherein the exhaust subassembly sets up in the vacuum tube upside, the external air compressor of input of intake pipe, the external oily equipment of dress of output of wherein oil extraction subassembly.
Preferably, the vacuum tube is of a cylindrical structure, wherein one end face of the vacuum tube of the cylindrical structure is connected with the air inlet tube, the other end face of the vacuum tube of the cylindrical structure is provided with a plug, and the diameter of the vacuum tube is phi 25 mm.
Preferably, intake pipe one end is equipped with the air inlet, wherein is close to air inlet one side and is equipped with the admission valve, the intake pipe other end inserts in the vacuum tube, and wherein the intake pipe tip that inserts in the vacuum tube is the bell mouth structure, the diameter of intake pipe is phi 15mm, and wherein the bell mouth structure diameter of intake pipe tip is 4 ~ 8 mm.
Preferably, the oil suction assembly comprises an oil suction valve, a connecting hose, an oil suction head and a filter screen, wherein one end of the connecting hose is connected with the vacuum tube, the other end of the connecting hose is connected with the oil suction head, the filter screen is arranged on the oil suction head, the oil suction valve is arranged on one side, close to the vacuum tube, of the connecting hose, and the diameter of the connecting hose is phi 15 mm.
Preferably, the oil suction head is of a triangular structure, the head structure of the oil suction head is of a flat rectangular shape, the filter screen is sleeved on the head of the oil suction head, and the mesh diameter of the filter screen is 2 ~ 5 mm.
Preferably, the oil discharge assembly comprises an oil discharge valve and an oil discharge pipe, wherein one end of the oil discharge pipe is connected with the vacuum pipe, the other end of the oil discharge pipe is externally connected with an oil loading device, and the oil discharge valve is arranged between the oil discharge pipe and the vacuum pipe.
Preferably, the exhaust assembly comprises a filter plate and an exhaust pipe, wherein one end of the exhaust pipe is connected with the vacuum pipe, a plurality of filter plates are arranged in the exhaust pipe, the filter plates are of semicircular structures, and the filter plates are relatively in staggered gradient and are obliquely downwards fixed in the exhaust pipe.
Preferably, the air inlet valve, the oil suction valve and the oil discharge valve are all copper ball valves, wherein the size of the air inlet valve is the same as the diameter of the air inlet pipe, the size of the oil suction valve is the same as the diameter of the connecting hose, and the size of the oil discharge valve is the same as the diameter of the oil discharge pipe.
Preferably, the connecting hose and the oil discharge pipe are positioned on the same side of the vacuum pipe and are parallel to each other, the connecting hose is connected with the vacuum pipe close to one side of the air inlet pipe, the oil discharge pipe is connected with the vacuum pipe far away from one side of the air inlet pipe, and the length of one end of the air inlet pipe inserted into the vacuum pipe is greater than the distance between the connecting hose and the vacuum pipe and the end part of the vacuum pipe close to one end of the air inlet pipe.
Preferably, the absorption method of the novel device for absorbing crude oil on the ground comprises the following steps:
step 1) connecting an air inlet pipe with an air compressor to enable high-pressure air to enter a vacuum pipe;
step 2), high-pressure gas enters the vacuum tube, so that a negative pressure area is formed in a connecting area of the oil absorption assembly and the vacuum tube;
step 3), the ground crude oil can flow into the vacuum pipe through the oil absorption assembly due to atmospheric pressure;
and 4) enabling crude oil in the vacuum pipe to flow out of the oil discharge assembly to oil loading equipment, and exhausting gas in the vacuum pipe from the exhaust assembly.
Compared with the prior art, the invention has the advantages that:
(1) the device for absorbing the ground crude oil adopts the air inlet pipe and the vacuum pipe to be matched with the external air compressor for use, when the ground crude oil needs to be recovered, the crude oil floating by aligning the oil suction head to the ground can be absorbed and enter the vacuum pipe, the vacuum pipe is connected with the oil discharge pipe, the oil is connected to the oil charging equipment through the oil discharge pipe, the front end of the oil suction head is provided with the filter screen, particles such as soil are prevented from being sucked, the purity of an oil product is ensured, the crude oil entering the oil charging equipment can be recycled after subsequent treatment, and the resource waste of the crude oil is avoided;
(2) the invention reduces the crude oil loss, lightens the pollution of the ground crude oil to the land, protects the soil, reduces the generation amount of the dirty oil sludge and reduces the processing cost of the dirty oil sludge by recovering the ground crude oil;
(3) the invention has simple structure, convenient operation, good use effect, strong practicability and low manufacturing cost, and can be widely applied to the recovery of the landing crude oil in the oil production field.
Drawings
FIG. 1 is a schematic structural diagram of a novel device for absorbing crude oil on the ground according to the invention;
FIG. 2 is a partial enlarged view of an oil discharge assembly of the novel device for absorbing the crude oil falling to the ground.
Description of the reference numerals
1-vacuum tube, 2-air inlet tube, 3-air inlet, 4-air inlet valve, 5-oil suction valve, 6-connecting hose, 7-oil suction head, 8-filter screen, 9-oil discharge valve, 10-oil discharge tube, 11-filter plate, 12-exhaust tube and 13-plug.
Detailed Description
The following describes embodiments of the present invention with reference to examples:
it should be noted that the structures, proportions, sizes, and other elements shown in the specification are included for the purpose of understanding and reading only, and are not intended to limit the scope of the invention, which is defined by the claims, and any modifications of the structures, changes in the proportions and adjustments of the sizes, without affecting the efficacy and attainment of the same.
In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Example 1
As shown in fig. 1 ~ 2, the present invention discloses a novel device for absorbing crude oil falling to the ground, which comprises a vacuum tube 1, an air inlet tube 2, an oil absorption assembly, an oil discharge assembly and an exhaust assembly, wherein the axial end of the vacuum tube 1 is connected with the air inlet tube 2, the diameter of the vacuum tube 1 is larger than that of the air inlet tube 2, the vacuum tube 1 is radially connected with the oil absorption assembly, the oil discharge assembly and the exhaust assembly respectively, the oil absorption assembly and the oil discharge assembly are arranged on the lower side of the vacuum tube 1, the exhaust assembly is arranged on the upper side of the vacuum tube 1, the input end of the air inlet tube 2 is externally connected with an air compressor, and.
Example 2
As shown in fig. 1 ~ 2, the present invention discloses a novel device for absorbing crude oil falling to the ground, which comprises a vacuum tube 1, an air inlet tube 2, an oil absorption assembly, an oil discharge assembly and an exhaust assembly, wherein the axial end of the vacuum tube 1 is connected with the air inlet tube 2, the diameter of the vacuum tube 1 is larger than that of the air inlet tube 2, the vacuum tube 1 is radially connected with the oil absorption assembly, the oil discharge assembly and the exhaust assembly respectively, the oil absorption assembly and the oil discharge assembly are arranged on the lower side of the vacuum tube 1, the exhaust assembly is arranged on the upper side of the vacuum tube 1, the input end of the air inlet tube 2 is externally connected with an air compressor, and.
Preferably, as shown in fig. 1, the vacuum tube 1 is of a cylindrical structure, wherein one end surface of the vacuum tube 1 of the cylindrical structure is connected with the air inlet tube 2, the other end surface of the vacuum tube 1 of the cylindrical structure is provided with a plug 13, and the diameter of the vacuum tube 1 is phi 25 mm.
Example 3
As shown in fig. 1 ~ 2, the present invention discloses a novel device for absorbing crude oil falling to the ground, which comprises a vacuum tube 1, an air inlet tube 2, an oil absorption assembly, an oil discharge assembly and an exhaust assembly, wherein the axial end of the vacuum tube 1 is connected with the air inlet tube 2, the diameter of the vacuum tube 1 is larger than that of the air inlet tube 2, the vacuum tube 1 is radially connected with the oil absorption assembly, the oil discharge assembly and the exhaust assembly respectively, the oil absorption assembly and the oil discharge assembly are arranged on the lower side of the vacuum tube 1, the exhaust assembly is arranged on the upper side of the vacuum tube 1, the input end of the air inlet tube 2 is externally connected with an air compressor, and.
Preferably, as shown in fig. 1, the vacuum tube 1 is of a cylindrical structure, wherein one end surface of the vacuum tube 1 of the cylindrical structure is connected with the air inlet tube 2, the other end surface of the vacuum tube 1 of the cylindrical structure is provided with a plug 13, and the diameter of the vacuum tube 1 is phi 25 mm.
Preferably, as shown in fig. 1, one end of the air inlet pipe 2 is provided with an air inlet 3, wherein one side close to the air inlet 3 is provided with an air inlet valve 4, the other end of the air inlet pipe 2 is inserted into the vacuum pipe 1, wherein the end part of the air inlet pipe 2 inserted into the vacuum pipe 1 is in a tapered hole structure, the diameter of the air inlet pipe 2 is phi 15mm, and the diameter of the tapered hole structure at the end part of the air inlet pipe 2 is 4 ~ 8 mm.
Example 4
As shown in fig. 1 ~ 2, the present invention discloses a novel device for absorbing crude oil falling to the ground, which comprises a vacuum tube 1, an air inlet tube 2, an oil absorption assembly, an oil discharge assembly and an exhaust assembly, wherein the axial end of the vacuum tube 1 is connected with the air inlet tube 2, the diameter of the vacuum tube 1 is larger than that of the air inlet tube 2, the vacuum tube 1 is radially connected with the oil absorption assembly, the oil discharge assembly and the exhaust assembly respectively, the oil absorption assembly and the oil discharge assembly are arranged on the lower side of the vacuum tube 1, the exhaust assembly is arranged on the upper side of the vacuum tube 1, the input end of the air inlet tube 2 is externally connected with an air compressor, and.
Preferably, as shown in fig. 1, the vacuum tube 1 is of a cylindrical structure, wherein one end surface of the vacuum tube 1 of the cylindrical structure is connected with the air inlet tube 2, the other end surface of the vacuum tube 1 of the cylindrical structure is provided with a plug 13, and the diameter of the vacuum tube 1 is phi 25 mm.
Preferably, as shown in fig. 1, one end of the air inlet pipe 2 is provided with an air inlet 3, wherein one side close to the air inlet 3 is provided with an air inlet valve 4, the other end of the air inlet pipe 2 is inserted into the vacuum pipe 1, wherein the end part of the air inlet pipe 2 inserted into the vacuum pipe 1 is in a tapered hole structure, the diameter of the air inlet pipe 2 is phi 15mm, and the diameter of the tapered hole structure at the end part of the air inlet pipe 2 is 4 ~ 8 mm.
Preferably, as shown in fig. 1 ~ 2, the oil suction assembly includes an oil suction valve 5, a connecting hose 6, an oil suction head 7 and a filter screen 8, wherein one end of the connecting hose 6 is connected to the vacuum tube 1, the other end of the connecting hose 6 is connected to the oil suction head 7, the filter screen 8 is disposed on the oil suction head 7, the oil suction valve 5 is disposed on one side of the connecting hose 6 close to the vacuum tube 1, and the diameter of the connecting hose 6 is Φ 15 mm.
Example 5
As shown in fig. 1 ~ 2, the present invention discloses a novel device for absorbing crude oil falling to the ground, which comprises a vacuum tube 1, an air inlet tube 2, an oil absorption assembly, an oil discharge assembly and an exhaust assembly, wherein the axial end of the vacuum tube 1 is connected with the air inlet tube 2, the diameter of the vacuum tube 1 is larger than that of the air inlet tube 2, the vacuum tube 1 is radially connected with the oil absorption assembly, the oil discharge assembly and the exhaust assembly respectively, the oil absorption assembly and the oil discharge assembly are arranged on the lower side of the vacuum tube 1, the exhaust assembly is arranged on the upper side of the vacuum tube 1, the input end of the air inlet tube 2 is externally connected with an air compressor, and.
Preferably, as shown in fig. 1, the vacuum tube 1 is of a cylindrical structure, wherein one end surface of the vacuum tube 1 of the cylindrical structure is connected with the air inlet tube 2, the other end surface of the vacuum tube 1 of the cylindrical structure is provided with a plug 13, and the diameter of the vacuum tube 1 is phi 25 mm.
Preferably, as shown in fig. 1, one end of the air inlet pipe 2 is provided with an air inlet 3, wherein one side close to the air inlet 3 is provided with an air inlet valve 4, the other end of the air inlet pipe 2 is inserted into the vacuum pipe 1, wherein the end part of the air inlet pipe 2 inserted into the vacuum pipe 1 is in a tapered hole structure, the diameter of the air inlet pipe 2 is phi 15mm, and the diameter of the tapered hole structure at the end part of the air inlet pipe 2 is 4 ~ 8 mm.
Preferably, as shown in fig. 1 ~ 2, the oil suction assembly includes an oil suction valve 5, a connecting hose 6, an oil suction head 7 and a filter screen 8, wherein one end of the connecting hose 6 is connected to the vacuum tube 1, the other end of the connecting hose 6 is connected to the oil suction head 7, the filter screen 8 is disposed on the oil suction head 7, the oil suction valve 5 is disposed on one side of the connecting hose 6 close to the vacuum tube 1, and the diameter of the connecting hose 6 is Φ 15 mm.
Preferably, as shown in fig. 1 ~ 2, the oil suction head 7 has a triangular structure, wherein the head structure of the oil suction head 7 is a flat rectangle, the filter screen 8 is sleeved on the head of the oil suction head 7, and the mesh diameter of the filter screen 8 is 2 ~ 5 mm.
Example 6
As shown in fig. 1 ~ 2, the present invention discloses a novel device for absorbing crude oil falling to the ground, which comprises a vacuum tube 1, an air inlet tube 2, an oil absorption assembly, an oil discharge assembly and an exhaust assembly, wherein the axial end of the vacuum tube 1 is connected with the air inlet tube 2, the diameter of the vacuum tube 1 is larger than that of the air inlet tube 2, the vacuum tube 1 is radially connected with the oil absorption assembly, the oil discharge assembly and the exhaust assembly respectively, the oil absorption assembly and the oil discharge assembly are arranged on the lower side of the vacuum tube 1, the exhaust assembly is arranged on the upper side of the vacuum tube 1, the input end of the air inlet tube 2 is externally connected with an air compressor, and.
Preferably, as shown in fig. 1, the vacuum tube 1 is of a cylindrical structure, wherein one end surface of the vacuum tube 1 of the cylindrical structure is connected with the air inlet tube 2, the other end surface of the vacuum tube 1 of the cylindrical structure is provided with a plug 13, and the diameter of the vacuum tube 1 is phi 25 mm.
Preferably, as shown in fig. 1, one end of the air inlet pipe 2 is provided with an air inlet 3, wherein one side close to the air inlet 3 is provided with an air inlet valve 4, the other end of the air inlet pipe 2 is inserted into the vacuum pipe 1, wherein the end part of the air inlet pipe 2 inserted into the vacuum pipe 1 is in a tapered hole structure, the diameter of the air inlet pipe 2 is phi 15mm, and the diameter of the tapered hole structure at the end part of the air inlet pipe 2 is 4 ~ 8 mm.
Preferably, as shown in fig. 1 ~ 2, the oil suction assembly includes an oil suction valve 5, a connecting hose 6, an oil suction head 7 and a filter screen 8, wherein one end of the connecting hose 6 is connected to the vacuum tube 1, the other end of the connecting hose 6 is connected to the oil suction head 7, the filter screen 8 is disposed on the oil suction head 7, the oil suction valve 5 is disposed on one side of the connecting hose 6 close to the vacuum tube 1, and the diameter of the connecting hose 6 is Φ 15 mm.
Preferably, as shown in fig. 1 ~ 2, the oil suction head 7 has a triangular structure, wherein the head structure of the oil suction head 7 is a flat rectangle, the filter screen 8 is sleeved on the head of the oil suction head 7, and the mesh diameter of the filter screen 8 is 2 ~ 5 mm.
Preferably, as shown in fig. 1, the oil discharge assembly includes an oil discharge valve 9 and an oil discharge pipe 10, wherein one end of the oil discharge pipe 10 is connected to the vacuum pipe 1, the other end of the oil discharge pipe 10 is externally connected to an oil loading device, and the oil discharge valve 9 is disposed between the oil discharge pipe 10 and the vacuum pipe 1.
Example 7
As shown in fig. 1 ~ 2, the present invention discloses a novel device for absorbing crude oil falling to the ground, which comprises a vacuum tube 1, an air inlet tube 2, an oil absorption assembly, an oil discharge assembly and an exhaust assembly, wherein the axial end of the vacuum tube 1 is connected with the air inlet tube 2, the diameter of the vacuum tube 1 is larger than that of the air inlet tube 2, the vacuum tube 1 is radially connected with the oil absorption assembly, the oil discharge assembly and the exhaust assembly respectively, the oil absorption assembly and the oil discharge assembly are arranged on the lower side of the vacuum tube 1, the exhaust assembly is arranged on the upper side of the vacuum tube 1, the input end of the air inlet tube 2 is externally connected with an air compressor, and.
Preferably, as shown in fig. 1, the vacuum tube 1 is of a cylindrical structure, wherein one end surface of the vacuum tube 1 of the cylindrical structure is connected with the air inlet tube 2, the other end surface of the vacuum tube 1 of the cylindrical structure is provided with a plug 13, and the diameter of the vacuum tube 1 is phi 25 mm.
Preferably, as shown in fig. 1, one end of the air inlet pipe 2 is provided with an air inlet 3, wherein one side close to the air inlet 3 is provided with an air inlet valve 4, the other end of the air inlet pipe 2 is inserted into the vacuum pipe 1, wherein the end part of the air inlet pipe 2 inserted into the vacuum pipe 1 is in a tapered hole structure, the diameter of the air inlet pipe 2 is phi 15mm, and the diameter of the tapered hole structure at the end part of the air inlet pipe 2 is 4 ~ 8 mm.
Preferably, as shown in fig. 1 ~ 2, the oil suction assembly includes an oil suction valve 5, a connecting hose 6, an oil suction head 7 and a filter screen 8, wherein one end of the connecting hose 6 is connected to the vacuum tube 1, the other end of the connecting hose 6 is connected to the oil suction head 7, the filter screen 8 is disposed on the oil suction head 7, the oil suction valve 5 is disposed on one side of the connecting hose 6 close to the vacuum tube 1, and the diameter of the connecting hose 6 is Φ 15 mm.
Preferably, as shown in fig. 1 ~ 2, the oil suction head 7 has a triangular structure, wherein the head structure of the oil suction head 7 is a flat rectangle, the filter screen 8 is sleeved on the head of the oil suction head 7, and the mesh diameter of the filter screen 8 is 2 ~ 5 mm.
Preferably, as shown in fig. 1, the oil discharge assembly includes an oil discharge valve 9 and an oil discharge pipe 10, wherein one end of the oil discharge pipe 10 is connected to the vacuum pipe 1, the other end of the oil discharge pipe 10 is externally connected to an oil loading device, and the oil discharge valve 9 is disposed between the oil discharge pipe 10 and the vacuum pipe 1.
Preferably, as shown in fig. 1, the exhaust assembly comprises a filter plate 11 and an exhaust pipe 12, wherein one end of the exhaust pipe 12 is connected to the vacuum pipe 1, a plurality of filter plates 11 are arranged inside the exhaust pipe 12, wherein the filter plates 11 are of a semicircular structure, and the filter plates 11 are relatively fixed in the exhaust pipe 12 in a staggered gradient and inclined downwards.
Example 8
As shown in fig. 1 ~ 2, the present invention discloses a novel device for absorbing crude oil falling to the ground, which comprises a vacuum tube 1, an air inlet tube 2, an oil absorption assembly, an oil discharge assembly and an exhaust assembly, wherein the axial end of the vacuum tube 1 is connected with the air inlet tube 2, the diameter of the vacuum tube 1 is larger than that of the air inlet tube 2, the vacuum tube 1 is radially connected with the oil absorption assembly, the oil discharge assembly and the exhaust assembly respectively, the oil absorption assembly and the oil discharge assembly are arranged on the lower side of the vacuum tube 1, the exhaust assembly is arranged on the upper side of the vacuum tube 1, the input end of the air inlet tube 2 is externally connected with an air compressor, and.
Preferably, as shown in fig. 1, the vacuum tube 1 is of a cylindrical structure, wherein one end surface of the vacuum tube 1 of the cylindrical structure is connected with the air inlet tube 2, the other end surface of the vacuum tube 1 of the cylindrical structure is provided with a plug 13, and the diameter of the vacuum tube 1 is phi 25 mm.
Preferably, as shown in fig. 1, one end of the air inlet pipe 2 is provided with an air inlet 3, wherein one side close to the air inlet 3 is provided with an air inlet valve 4, the other end of the air inlet pipe 2 is inserted into the vacuum pipe 1, wherein the end part of the air inlet pipe 2 inserted into the vacuum pipe 1 is in a tapered hole structure, the diameter of the air inlet pipe 2 is phi 15mm, and the diameter of the tapered hole structure at the end part of the air inlet pipe 2 is 4 ~ 8 mm.
Preferably, as shown in fig. 1 ~ 2, the oil suction assembly includes an oil suction valve 5, a connecting hose 6, an oil suction head 7 and a filter screen 8, wherein one end of the connecting hose 6 is connected to the vacuum tube 1, the other end of the connecting hose 6 is connected to the oil suction head 7, the filter screen 8 is disposed on the oil suction head 7, the oil suction valve 5 is disposed on one side of the connecting hose 6 close to the vacuum tube 1, and the diameter of the connecting hose 6 is Φ 15 mm.
Preferably, as shown in fig. 1 ~ 2, the oil suction head 7 has a triangular structure, wherein the head structure of the oil suction head 7 is a flat rectangle, the filter screen 8 is sleeved on the head of the oil suction head 7, and the mesh diameter of the filter screen 8 is 2 ~ 5 mm.
Preferably, as shown in fig. 1, the oil discharge assembly includes an oil discharge valve 9 and an oil discharge pipe 10, wherein one end of the oil discharge pipe 10 is connected to the vacuum pipe 1, the other end of the oil discharge pipe 10 is externally connected to an oil loading device, and the oil discharge valve 9 is disposed between the oil discharge pipe 10 and the vacuum pipe 1.
Preferably, as shown in fig. 1, the exhaust assembly comprises a filter plate 11 and an exhaust pipe 12, wherein one end of the exhaust pipe 12 is connected to the vacuum pipe 1, a plurality of filter plates 11 are arranged inside the exhaust pipe 12, wherein the filter plates 11 are of a semicircular structure, and the filter plates 11 are relatively fixed in the exhaust pipe 12 in a staggered gradient and inclined downwards.
Preferably, as shown in fig. 1, the air inlet valve 4, the oil suction valve 5 and the oil discharge valve 9 are all copper ball valves, wherein the size of the air inlet valve 4 is the same as the diameter of the air inlet pipe 2, wherein the size of the oil suction valve 5 is the same as the diameter of the connecting hose 6, and wherein the size of the oil discharge valve 9 is the same as the diameter of the oil discharge pipe 10.
Example 9
As shown in fig. 1 ~ 2, the present invention discloses a novel device for absorbing crude oil falling to the ground, which comprises a vacuum tube 1, an air inlet tube 2, an oil absorption assembly, an oil discharge assembly and an exhaust assembly, wherein the axial end of the vacuum tube 1 is connected with the air inlet tube 2, the diameter of the vacuum tube 1 is larger than that of the air inlet tube 2, the vacuum tube 1 is radially connected with the oil absorption assembly, the oil discharge assembly and the exhaust assembly respectively, the oil absorption assembly and the oil discharge assembly are arranged on the lower side of the vacuum tube 1, the exhaust assembly is arranged on the upper side of the vacuum tube 1, the input end of the air inlet tube 2 is externally connected with an air compressor, and.
Preferably, as shown in fig. 1, the vacuum tube 1 is of a cylindrical structure, wherein one end surface of the vacuum tube 1 of the cylindrical structure is connected with the air inlet tube 2, the other end surface of the vacuum tube 1 of the cylindrical structure is provided with a plug 13, and the diameter of the vacuum tube 1 is phi 25 mm.
Preferably, as shown in fig. 1, one end of the air inlet pipe 2 is provided with an air inlet 3, wherein one side close to the air inlet 3 is provided with an air inlet valve 4, the other end of the air inlet pipe 2 is inserted into the vacuum pipe 1, wherein the end part of the air inlet pipe 2 inserted into the vacuum pipe 1 is in a tapered hole structure, the diameter of the air inlet pipe 2 is phi 15mm, and the diameter of the tapered hole structure at the end part of the air inlet pipe 2 is 4 ~ 8 mm.
Preferably, as shown in fig. 1 ~ 2, the oil suction assembly includes an oil suction valve 5, a connecting hose 6, an oil suction head 7 and a filter screen 8, wherein one end of the connecting hose 6 is connected to the vacuum tube 1, the other end of the connecting hose 6 is connected to the oil suction head 7, the filter screen 8 is disposed on the oil suction head 7, the oil suction valve 5 is disposed on one side of the connecting hose 6 close to the vacuum tube 1, and the diameter of the connecting hose 6 is Φ 15 mm.
Preferably, as shown in fig. 1 ~ 2, the oil suction head 7 has a triangular structure, wherein the head structure of the oil suction head 7 is a flat rectangle, the filter screen 8 is sleeved on the head of the oil suction head 7, and the mesh diameter of the filter screen 8 is 2 ~ 5 mm.
Preferably, as shown in fig. 1, the oil discharge assembly includes an oil discharge valve 9 and an oil discharge pipe 10, wherein one end of the oil discharge pipe 10 is connected to the vacuum pipe 1, the other end of the oil discharge pipe 10 is externally connected to an oil loading device, and the oil discharge valve 9 is disposed between the oil discharge pipe 10 and the vacuum pipe 1.
Preferably, as shown in fig. 1, the exhaust assembly comprises a filter plate 11 and an exhaust pipe 12, wherein one end of the exhaust pipe 12 is connected to the vacuum pipe 1, a plurality of filter plates 11 are arranged inside the exhaust pipe 12, wherein the filter plates 11 are of a semicircular structure, and the filter plates 11 are relatively fixed in the exhaust pipe 12 in a staggered gradient and inclined downwards.
Preferably, as shown in fig. 1, the air inlet valve 4, the oil suction valve 5 and the oil discharge valve 9 are all copper ball valves, wherein the size of the air inlet valve 4 is the same as the diameter of the air inlet pipe 2, wherein the size of the oil suction valve 5 is the same as the diameter of the connecting hose 6, and wherein the size of the oil discharge valve 9 is the same as the diameter of the oil discharge pipe 10.
Preferably, as shown in fig. 1, the connection hose 6 and the oil drain pipe 10 are located on the same side of the vacuum pipe 1 and are parallel to each other, wherein the connection hose 6 is connected to the vacuum pipe 1 near one side of the air inlet pipe 2, the oil drain pipe 10 is connected to the vacuum pipe 1 far from one side of the air inlet pipe 2, and the length of the air inlet pipe 2 inserted into the vacuum pipe 1 is greater than the distance from the connection position of the connection hose 6 and the vacuum pipe 1 to the end of the vacuum pipe 1 near one end of the air inlet pipe 2.
Preferably, as shown in fig. 1, the absorption method of the novel device for absorbing crude oil on the ground comprises the following steps:
step 1) connecting an air inlet pipe 2 with an air compressor to enable high-pressure gas to enter a vacuum pipe 1;
step 2), high-pressure gas enters the vacuum tube 1, so that a negative pressure area is formed in a connecting area of the oil absorption assembly and the vacuum tube 1;
step 3) the ground crude oil can flow into the vacuum tube 1 through the oil absorption component due to atmospheric pressure;
and 4) crude oil in the vacuum tube 1 flows out to oil loading equipment from the oil discharge assembly, and gas in the vacuum tube 1 is discharged from the exhaust assembly.
The sizes of the air inlet valve 4, the oil suction valve 5 and the oil discharge valve 9 are DN15 mm.
Preferably, the exhaust port 12 is installed in vacuum tube 1 and is close to directly over end cap 13 department, and there are 11 filters in the inside of exhaust port 12, and filter 11 is the downward sloping angle, does benefit to and carries the filtration of droplet crude oil in the gas and blocks to fall into vacuum tube 1 by the dead weight.
Preferably, the connection mode of the plug 13 and the vacuum tube 1 is threaded connection, and the plug 13 is detached to facilitate cleaning of oil stains inside the vacuum tube 1 and the tapered hole of the air inlet tube 2.
The air compressor and the oil loading equipment are all common devices.
The working principle of the invention is as follows:
as shown in FIG. 1 ~ 2, the device for absorbing crude oil falling to the ground of the present invention provides high pressure gas by an external air compressor, the high pressure gas enters into the air inlet pipe 2 and enters into the vacuum pipe 1 through the taper hole, because of the flowing of the high pressure gas, negative pressure is generated at the connection of the oil suction valve and the vacuum pipe 1, the crude oil near the oil suction head 7 is sucked into the vacuum pipe 1 under the atmospheric pressure, the crude oil flowing into the vacuum pipe 1 is discharged into the oil loading equipment through the oil discharge valve 9, and the high pressure gas in the vacuum pipe 1 is discharged from the exhaust port 12.
The device for absorbing the ground crude oil adopts the air inlet pipe and the vacuum pipe to be matched with the external air compressor for use, when the ground crude oil needs to be recovered, the crude oil floating by aligning the oil suction head with the ground can be absorbed and enter the vacuum pipe, the vacuum pipe is connected with the oil discharge pipe, the oil is connected to the oil charging equipment through the oil discharge pipe, the front end of the oil suction head is provided with the filter screen, particles such as soil are prevented from being sucked, the purity of an oil product is ensured, the crude oil entering the oil charging equipment can be recycled after being subjected to subsequent treatment, and the resource waste of the crude oil is.
The invention has simple structure, convenient operation, good use effect, strong practicability and low manufacturing cost, and can be widely applied to the recovery of the landing crude oil in the oil production field.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.
Claims (10)
1. A novel device for absorbing crude oil falling to the ground is characterized in that: including vacuum tube (1), intake pipe (2), oil absorption subassembly, oil extraction subassembly and exhaust subassembly, wherein intake pipe (2) is connected to vacuum tube (1) axial one end, and wherein the diameter of vacuum tube (1) is greater than the diameter of intake pipe (2), vacuum tube (1) radially is connected with oil absorption subassembly, oil extraction subassembly and exhaust subassembly respectively, and wherein oil absorption subassembly and oil extraction subassembly set up in vacuum tube (1) downside, and wherein the exhaust subassembly sets up in vacuum tube (1) upside, the external air compressor of input of intake pipe (2), wherein the external oily equipment of dress of output of oil extraction subassembly.
2. The novel device for absorbing crude oil on the ground of claim 1, wherein: the vacuum tube (1) is of a cylindrical structure, one end face of the vacuum tube (1) of the cylindrical structure is connected with the air inlet tube (2), the other end face of the vacuum tube (1) of the cylindrical structure is provided with a plug (13), and the diameter of the vacuum tube (1) is phi 25 mm.
3. The novel device for absorbing crude oil on ground of claim 1, wherein one end of the air inlet pipe (2) is provided with an air inlet (3), wherein one side close to the air inlet (3) is provided with an air inlet valve (4), the other end of the air inlet pipe (2) is inserted into the vacuum pipe (1), the end part of the air inlet pipe (2) inserted into the vacuum pipe (1) is of a conical hole structure, the diameter of the air inlet pipe (2) is phi 15mm, and the diameter of the conical hole structure at the end part of the air inlet pipe (2) is 4 ~ 8 mm.
4. The novel device for absorbing crude oil on the ground of claim 1, wherein: the oil absorption assembly comprises an oil absorption valve (5), a connecting hose (6), an oil absorption head (7) and a filter screen (8), wherein one end of the connecting hose (6) is connected with the vacuum tube (1), the other end of the connecting hose (6) is connected with the oil absorption head (7), the filter screen (8) is arranged on the oil absorption head (7), the oil absorption valve (5) is arranged on one side, close to the vacuum tube (1), of the connecting hose (6), and the diameter of the connecting hose (6) is phi 15 mm.
5. The novel device for absorbing crude oil on ground of claim 4, wherein the oil suction head (7) is of a triangular structure, the head structure of the oil suction head (7) is of a flat rectangular shape, the filter screen (8) is sleeved at the head of the oil suction head (7), and the mesh diameter of the filter screen (8) is 2 ~ 5 mm.
6. The novel device for absorbing crude oil on the ground of claim 1, wherein: the oil discharge assembly comprises an oil discharge valve (9) and an oil discharge pipe (10), wherein one end of the oil discharge pipe (10) is connected with the vacuum pipe (1), the other end of the oil discharge pipe (10) is externally connected with oil loading equipment, and the oil discharge valve (9) is arranged between the oil discharge pipe (10) and the vacuum pipe (1).
7. The novel device for absorbing crude oil on the ground of claim 1, wherein: the exhaust subassembly includes filter (11) and blast pipe (12), and wherein vacuum tube (1) is connected to blast pipe (12) one end, blast pipe (12) inside is equipped with a plurality of filters (11), and wherein filter (11) are semi-circular structure, a plurality of filters (11) are crisscross gradient relatively and the downward sloping is fixed in blast pipe (12).
8. The novel device for absorbing crude oil on the ground of any one of claims 3, 4 and 6, wherein: the air inlet valve (4), the oil suction valve (5) and the oil discharge valve (9) are all copper ball valves, wherein the size of the air inlet valve (4) is the same as the diameter of the air inlet pipe (2), the size of the oil suction valve (5) is the same as the diameter of the connecting hose (6), and the size of the oil discharge valve (9) is the same as the diameter of the oil discharge pipe (10).
9. The novel device for absorbing crude oil on the ground of claim 8, wherein: the connecting hose (6) and the oil discharge pipe (10) are located on the same side of the vacuum pipe (1) and are parallel to each other, wherein the connecting hose (6) is connected with the vacuum pipe (1) close to one side of the air inlet pipe (2), the oil discharge pipe (10) is connected with the vacuum pipe (1) far away from one side of the air inlet pipe (2)), and the length of one end, inserted into the vacuum pipe (1), of the air inlet pipe (2) is greater than the distance from the connecting position of the connecting hose (6) and the vacuum pipe (1) to the end part of the vacuum pipe (1), close to one end of the air.
10. The absorption method of the novel device for absorbing crude oil on the ground as set forth in claim 1 ~ 9, comprising the steps of:
step 1) connecting an air inlet pipe (2) with an air compressor to enable high-pressure gas to enter a vacuum pipe (1);
step 2), high-pressure gas enters the vacuum tube (1) to enable a connection area of the oil absorption assembly and the vacuum tube (1) to form a negative pressure area;
step 3), the ground crude oil can flow into the vacuum tube (1) through the oil absorption assembly due to atmospheric pressure;
and 4) crude oil in the vacuum tube (1) flows out to oil loading equipment from the oil discharge assembly, and gas in the vacuum tube (1) is discharged from the exhaust assembly.
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| CN201910893321.1A CN110668390B (en) | 2019-09-20 | 2019-09-20 | Novel device and method for absorbing floor crude oil |
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| CN201910893321.1A CN110668390B (en) | 2019-09-20 | 2019-09-20 | Novel device and method for absorbing floor crude oil |
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| CN110668390B CN110668390B (en) | 2024-07-30 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201305452Y (en) * | 2008-11-28 | 2009-09-09 | 中国石油化工股份有限公司 | Oil taking device for oil drum |
| JP2010075918A (en) * | 2008-08-26 | 2010-04-08 | Chizuko Watanabe | Apparatus for recovering floating oil, oil suction device and suction jig |
| CN105399037A (en) * | 2015-11-18 | 2016-03-16 | 江西洪都航空工业集团有限责任公司 | Pneumatic suction device |
| CN106334967A (en) * | 2016-10-12 | 2017-01-18 | 广东长盈精密技术有限公司 | Vacuum oil return system |
| CN106744634A (en) * | 2016-11-29 | 2017-05-31 | 大庆市汇通建筑安装工程有限公司 | Reclaiming device for ground raw oil in oil field |
| CN207810342U (en) * | 2017-12-26 | 2018-09-04 | 兰州泰合石化设备有限责任公司 | A kind of vacuum oil-pumping surge tank |
| CN208465360U (en) * | 2018-03-27 | 2019-02-05 | 长沙市望城区聚昇机械制造有限公司 | A kind of engine oil recycling device |
| CN211198595U (en) * | 2019-09-20 | 2020-08-07 | 中国石油天然气股份有限公司 | Novel absorb crude oil that falls to ground device |
-
2019
- 2019-09-20 CN CN201910893321.1A patent/CN110668390B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010075918A (en) * | 2008-08-26 | 2010-04-08 | Chizuko Watanabe | Apparatus for recovering floating oil, oil suction device and suction jig |
| CN201305452Y (en) * | 2008-11-28 | 2009-09-09 | 中国石油化工股份有限公司 | Oil taking device for oil drum |
| CN105399037A (en) * | 2015-11-18 | 2016-03-16 | 江西洪都航空工业集团有限责任公司 | Pneumatic suction device |
| CN106334967A (en) * | 2016-10-12 | 2017-01-18 | 广东长盈精密技术有限公司 | Vacuum oil return system |
| CN106744634A (en) * | 2016-11-29 | 2017-05-31 | 大庆市汇通建筑安装工程有限公司 | Reclaiming device for ground raw oil in oil field |
| CN207810342U (en) * | 2017-12-26 | 2018-09-04 | 兰州泰合石化设备有限责任公司 | A kind of vacuum oil-pumping surge tank |
| CN208465360U (en) * | 2018-03-27 | 2019-02-05 | 长沙市望城区聚昇机械制造有限公司 | A kind of engine oil recycling device |
| CN211198595U (en) * | 2019-09-20 | 2020-08-07 | 中国石油天然气股份有限公司 | Novel absorb crude oil that falls to ground device |
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| CN110668390B (en) | 2024-07-30 |
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