CN113460941A - Oil gas recovery's pipe connection device - Google Patents
Oil gas recovery's pipe connection device Download PDFInfo
- Publication number
- CN113460941A CN113460941A CN202110762577.6A CN202110762577A CN113460941A CN 113460941 A CN113460941 A CN 113460941A CN 202110762577 A CN202110762577 A CN 202110762577A CN 113460941 A CN113460941 A CN 113460941A
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- wall
- gas recovery
- sealing
- oil
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- 238000011084 recovery Methods 0.000 title claims abstract description 92
- 238000007789 sealing Methods 0.000 claims abstract description 127
- 230000000151 anti-reflux effect Effects 0.000 claims abstract description 17
- 210000003437 trachea Anatomy 0.000 claims description 32
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- 238000004064 recycling Methods 0.000 claims description 9
- 230000002265 prevention Effects 0.000 description 28
- 230000000694 effects Effects 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 7
- 239000000428 dust Substances 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- 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
- B67D7/38—Arrangements of hoses, e.g. operative connection with pump motor
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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
- B67D7/04—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
- B67D7/0476—Vapour recovery systems
- B67D7/0478—Vapour recovery systems constructional features or components
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention belongs to the technical field of pipeline connection, and discloses a pipeline connecting device for oil gas recovery, which comprises an oil storage tank and oil transportation equipment, wherein an air return pipe is arranged on one side of the top of the oil storage tank; an air pipe sealing inner groove is formed in the air return pipe, an air pipe air conveying groove is formed in the position, located on the air pipe connecting outer wall, of the top of the air pipe sealing inner groove, and an air pipe external thread is formed in the top of the outer wall of the air pipe sealing inner groove; the gas return pipe wall is very convenient to be connected with the gas return pipe, the top of the gas return pipe is aimed at to the bottom of the gas return pipe wall, then the gas return pipe connecting block is rotated, the gas return pipe wall and the gas return pipe can be fixedly connected, the connection is convenient, the gas leakage condition is reduced, the potential safety hazard is reduced, the anti-reflux part is arranged inside the gas return pipe wall, and the anti-reflux effect can be achieved on the gas inside the gas return pipe wall.
Description
Technical Field
The invention belongs to the technical field of pipeline connection, and particularly relates to a pipeline connecting device for oil gas recovery.
Background
When oil is input into the oil tank truck, the air pipe is connected with the oil storage tank, so that when the oil is input into the oil tank truck, oil gas can be recovered into the oil tank truck from the air pipe, full-closed gas recovery is realized, and the emission of the oil gas into the atmosphere is limited. Checking whether the oil unloading tank is consistent with the products loaded by the tank car, confirming the empty capacity of the oil unloading tank through a liquid level meter or manual measurement detection, preventing the occurrence of the escape and the accidents, unloading oil in a non-closed type, informing an oil filler to close the oil filler connected with the oil unloading tank, suspending the oil filling operation, connecting the oil unloading pipe according to the process flow requirements, realizing tight joint of joints, naturally bending the oil unloading pipe, checking and confirming that the metering hole of the oil tank is well closed, slowly opening an oil unloading valve of the tank car by a driver, intensively monitoring and observing the running conditions of equipment such as the oil unloading pipeline, a relevant gate valve, a filter and the like by the oil unloading person, and preparing for the possible problems at any time. Meanwhile, a driver of the tank truck can not be far away from the site, after the oil is completely discharged, an oil discharger gets on the tank truck to confirm that the oil is completely discharged, closes the gate valve, removes the oil pipe and tightly covers an oil discharge cap at the tank opening.
The existing oil tank truck and the oil storage tank are connected, the operation difficulty is high, the return pipe and the recovery gas connecting pipe are detachably connected, so that the condition of gas leakage can exist, recovered gas can be leaked to the outside, potential safety hazards are increased, the oil tank truck is difficult to align an oil unloading pipe and the return pipe simultaneously, the oil unloading pipe can be aligned firstly, the return pipe and the oil tank truck are inaccurate in position, the work difficulty is increased for workers, and the oil-gas recovery pipeline connecting device is provided.
Disclosure of Invention
The invention aims to provide a pipeline connecting device for oil gas recovery, which aims to solve the problems that the existing oil tank truck and an oil storage tank in the prior art are difficult to operate when connected, and the recovered gas possibly leaks to the outside due to the fact that a gas return pipe is detachably connected with a recovered gas connecting pipe, so that potential safety hazards are increased, and the like.
In order to achieve the purpose, the invention provides the following technical scheme: a pipeline connecting device for oil gas recovery comprises an oil storage tank and oil transportation equipment, wherein an air return pipe is arranged on one side of the top of the oil storage tank, a recovered gas connecting pipe is arranged on one side of the oil transportation equipment, and the air return pipe and the recovered gas connecting pipe are connected;
an air pipe sealing inner groove is formed in the air return pipe, an air pipe air conveying groove is formed in the position, located on the air pipe connecting outer wall, of the top of the air pipe sealing inner groove, and an air pipe external thread is formed in the top of the outer wall of the air pipe sealing inner groove;
the gas recovery connecting pipe comprises a gas recovery pipe wall, wherein one end of the top of the gas recovery pipe wall is connected with the oil transportation equipment through a gas pipe connecting part, a gas recovery pipe inner groove is formed in the gas recovery pipe wall, a gas recovery pipe sealing groove is formed in the bottom of the gas recovery pipe inner groove, a gas recovery pipe sealing block is arranged on the outer wall of the gas recovery pipe sealing groove, a gas recovery pipe connecting block is arranged at one end of the bottom of the gas recovery pipe wall, and a gas recovery pipe internal thread is formed in the inner wall of the gas recovery pipe connecting block.
Preferably, the inside of the wall of the gas recovery pipe is provided with an anti-reflux part, the anti-reflux part comprises an anti-reflux arc block, the anti-reflux arc block is positioned on the inner wall of the gas recovery pipe inner groove, and the anti-reflux arc block is consistent with the diameter of the gas recovery pipe inner groove.
Preferably, a plurality of anti-reflux bottom rings are symmetrically arranged at the top of the anti-reflux arc-shaped block, and an anti-reflux side groove is formed between two anti-reflux bottom rings.
Preferably, the outer wall of the gas recovery pipe wall is provided with a gas recovery pipe handle, and the joint of the gas recovery pipe wall and the gas pipe connecting part is provided with a rubber bent pipe.
Preferably, the outer part of the outer wall of the air pipe connecting is sleeved with the recycling air pipe connecting block, and the inner thread of the recycling air pipe is rotationally fixed with the outer thread of the air pipe.
Preferably, the trachea connecting portion include the sealing portion inner tube, the sealing portion inner tube is located the rubber return bend and keeps away from the tip of gas recovery pipe wall, the one end fixedly connected with sealing portion holding ring of sealing portion inner tube, the one end of sealing portion holding ring is equipped with the fixed inner tube of sealing portion, the outer wall of the fixed inner tube of sealing portion is equipped with the sealing portion rubber ring.
Preferably, the outside cover of sealing part inner tube is equipped with the connecting portion outer tube, one side middle part of connecting portion outer tube is equipped with the connecting portion spacing ring, the inner wall of connecting portion outer tube is equipped with the outer tube internal thread.
Preferably, the top of muffler is equipped with the sealing, the sealing internal rotation is connected with the sealing connection bearing, the bottom of sealing connection bearing is connected with sealed pedestal through sealed spliced pole, the bottom of sealed pedestal is equipped with sealed circular truncated cone body, the inner wall of sealing is equipped with sealed piece internal thread, just sealed piece internal thread uses with trachea thread fit.
Preferably, the sealing circular platform body is matched with the air pipe air conveying groove for use, and the sealing circular platform body is positioned right above the air pipe air conveying groove.
Preferably, the oil storage tank is located underground, the oil transportation equipment is located on the ground, an oil discharge pipe is arranged at the top of the oil storage tank, and the oil transportation equipment is connected with the oil storage tank through the oil discharge pipe.
Compared with the prior art, the invention has the beneficial effects that:
it is very convenient that recovery trachea wall and muffler are connected, only need aim at the top of muffler with the bottom of recovery trachea wall, rotate the recovery trachea connecting block after that, can be connected recovery trachea wall and muffler fixedly, not only convenient connection, the condition of gas leakage has been reduced simultaneously, the potential safety hazard has been reduced, and the inside portion of retrieving the trachea wall is equipped with prevents the portion of flowing backwards, can play the effect of preventing flowing backwards to the inside gas of recovery trachea wall, make the gas that enters into in the recovery trachea wall can not reveal, even make the tip of recovery trachea wall not connect, its inside gas can not reveal yet, practical effect has further been improved.
The sealing can play the sealed effect of connection to the muffler, is connected the back when muffler and recovery gas connecting pipe, and the top accessible sealing of muffler seals, has reduced the dust, the condition at sewage gathering to the muffler top, is equipped with sealed round platform body in the sealing simultaneously for after muffler, the sealing connection, sealed round platform body play sealed effect, not only can prevent that top dust, sewage from getting into in the muffler, has further reduced the condition of gas leakage in the muffler.
Rubber return bend, trachea connecting portion have improved the stability of recovery trachea wall, and trachea connecting portion make the tip of recovery trachea wall be connected with the oil transportation equipment more stably, and the fixed inner tube of sealing portion, the sealing portion rubber ring are deepened oil tank car outer wall and are connected the back, fix through the connecting portion outer tube after that, and the angle of recovery trachea wall can in time be adjusted to the rubber return bend for it is more convenient that the staff adjusts recovery trachea wall angle.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the structural seal of the present invention;
FIG. 3 is a cross-sectional perspective view of a structural seal of the present invention;
FIG. 4 is a perspective view of a structural recovered gas connecting tube of the present invention;
FIG. 5 is a cross-sectional perspective view of a structural recovered gas connecting tube of the present invention;
FIG. 6 is an exploded view of a structural air duct connection of the present invention;
FIG. 7 is a perspective view of the structural backflow prevention unit of the present invention;
in the figure: 1. an oil transportation facility; 2. unloading the oil pipe; 3. an oil storage tank; 4. an air return pipe; 41. the air pipe is connected with the outer wall; 42. an air pipe external thread; 43. a gas pipe gas transmission groove; 44. the air pipe seals the inner groove; 5. a recovered gas connecting pipe; 51. bending the rubber pipe; 52. a recovery gas pipe wall; 53. a handle of the air recovery pipe; 54. a connecting block of a recovery air pipe; 55. recovering the inner groove of the air pipe; 56. a sealing groove of the recovery air pipe; 57. recovering the air pipe sealing block; 58. recovering the internal thread of the air pipe; 6. a sealing part; 61. sealing the cone; 62. a sealing pedestal; 63. sealing the connecting column; 64. the bearing is connected in a sealing way; 65. sealing block internal threads; 7. a trachea connection; 71. a connecting portion outer tube; 72. a connecting part limiting ring; 73. an outer tube internal thread; 74. a sealing portion inner tube; 75. a sealing portion positioning ring; 76. a sealing part rubber ring; 77. the sealing part fixes the inner pipe; 8. a backflow prevention unit; 81. a reverse flow prevention side groove; 82. the anti-reflux arc block; 83. anti-reflux bottom ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, the present invention provides a technical solution: a pipeline connecting device for oil gas recovery comprises an oil storage tank 3 and an oil transportation device 1, wherein the oil storage tank 3 is located underground, the oil transportation device 1 is located on the ground, an oil unloading pipe 2 is arranged at the top of the oil storage tank 3, the oil transportation device 1 is connected with the oil storage tank 3 through the oil unloading pipe 2, an air return pipe 4 is arranged on one side of the top of the oil storage tank 3, a recovered gas connecting pipe 5 is arranged on one side of the oil transportation device 1, and the air return pipe 4 is connected with the recovered gas connecting pipe 5;
referring to fig. 1, 4 and 5, an inner air pipe sealing groove 44 is formed in the air return pipe 4, an air pipe air conveying groove 43 is formed in the top of the inner air pipe sealing groove 44, which is located in the air pipe connecting outer wall 41, an air pipe outer thread 42 is formed in the top of the outer wall of the inner air pipe sealing groove 44, the connection mode of the air return pipe 4 and the recovered air connecting pipe 5 can refer to fig. 1, and the internal relation diagram of the air return pipe 4 and the recovered air connecting pipe 5 can refer to fig. 3 and 5;
referring to fig. 1, 4 and 5, the recovered gas connection pipe 5 includes a recovered gas pipe wall 52, one end of the top of the recovered gas pipe wall 52 is connected to the oil transportation apparatus 1 through a gas pipe connection part 7, a recovered gas pipe inner groove 55 is formed inside the recovered gas pipe wall 52, a recovered gas pipe sealing groove 56 is formed at the bottom of the recovered gas pipe inner groove 55, a recovered gas pipe sealing block 57 is formed on the outer wall of the recovered gas pipe sealing groove 56, a recovered gas pipe connection block 54 is formed at one end of the bottom of the recovered gas pipe wall 52, a recovered gas pipe inner thread 58 is formed on the inner wall of the recovered gas pipe connection block 54, when the oil transportation apparatus 1 is connected to the oil storage tank 3, the recovered gas pipe connection block 54 is aligned to the top of the gas pipe connection outer wall 41, so that the recovered gas pipe connection outer wall 41 is wrapped by the recovered gas pipe connection block 54, the recovered gas pipe sealing block 57 is located at the position of the gas pipe gas transportation groove 43, and then the recovered gas pipe connection block 54 is rotated, make recovery trachea connecting block 54 drive the interior screw thread 58 of recovery trachea and rotate in the lump, make recovery trachea connecting block 54 and trachea be connected outer wall 41 and pass through recovery trachea internal screw thread 58, trachea external screw thread 42 swivelling joint, simultaneously can the lapse when constantly rotating of retrieving trachea connecting block 54, make recovery trachea sealing block 57 be in the extrusion state, thereby reduced the gap between recovery trachea sealing block 57 and the defeated gas tank 43 of trachea, make recovery trachea wall 52 and trachea be connected outer wall 41 and be connected the leakproofness better.
In this embodiment, preferably, referring to fig. 5 and 7, the inside of the recovered air pipe wall 52 is provided with the backflow prevention part 8, the backflow prevention part 8 includes a backflow prevention arc block 82, the backflow prevention arc block 82 is located on the inner wall of the recovered air pipe inner groove 55, the diameter of the backflow prevention arc block 82 is the same as that of the recovered air pipe inner groove 55, the top of the backflow prevention arc block 82 is symmetrically provided with a plurality of backflow prevention bottom rings 83, and a backflow prevention side groove 81 is formed between two backflow prevention bottom rings 83, as shown in fig. 5 and 7, fig. 7 is a storage state of the backflow prevention part 8, when the gas enters the recovered air pipe wall 52, the backflow prevention part 8 is opened by an acting force, the distance of the backflow prevention side groove 81 is large, the tops of several backflow prevention bottom rings 83 are in a separation state, the gas can normally flow into the recovered air pipe inner groove 55, and when the gas flows into the recovered air pipe inner groove 55, the backflow prevention bottom ring 83 is in a storage state, gas cannot flow out of the recovery endotracheal tube 55, the backflow prevention part 8 has a backflow prevention effect, and gas cannot flow downward from the top of the backflow prevention part 8, which has a sealing effect.
In this embodiment, preferably, referring to fig. 4, a recycling air pipe handle 53 is disposed on an outer wall of the recycling air pipe wall 52, a rubber bent pipe 51 is disposed at a connection portion of the recycling air pipe wall 52 and the air pipe connection portion 7, the rubber bent pipe 51 is made of rubber, and the rubber bent pipe 51 can adjust an angle of the recycling air pipe wall 52 in time, so that it is more convenient for a worker to adjust the angle of the recycling air pipe wall 52.
In this embodiment, preferably, referring to fig. 4 and 5, the recovery air pipe connecting block 54 is sleeved outside the air pipe connecting outer wall 41, the recovery air pipe inner thread 58 and the air pipe outer thread 42 are fixed in a threaded manner, and the recovery air pipe inner thread 58 and the air pipe connecting outer wall 41 can connect the recovery air pipe connecting block 54 and the air pipe connecting outer wall 41.
In this embodiment, preferably, referring to fig. 4 and 6, the air pipe connecting portion 7 includes a sealing portion inner pipe 74, the sealing portion inner pipe 74 is located at an end portion of the rubber elbow 51 far from the recovered air pipe wall 52, one end of the sealing portion inner pipe 74 is fixedly connected with a sealing portion positioning ring 75, one end of the sealing portion positioning ring 75 is provided with a sealing portion fixing inner pipe 77, an outer wall of the sealing portion fixing inner pipe 77 is provided with a sealing portion rubber ring 76, an outer portion of the sealing portion inner pipe 74 is sleeved with a connecting portion outer pipe 71, a middle portion of one side of the connecting portion outer pipe 71 is provided with a connecting portion limiting ring 72, an inner wall of the connecting portion outer pipe 71 is provided with an outer pipe internal thread 73, an outer portion of the oil transportation device 1 is provided with a hole groove used in cooperation with the sealing portion fixing inner pipe 77, the sealing portion fixing inner pipe 77 can be deep into the hole groove, then the connecting portion outer pipe 71 is rotated, so that the connecting portion 71 and the outer wall of the oil transportation device 1 are screwed and fixed, the inner tube 74 and the outer tube 71 of the connecting portion can be fixed, and the connecting portion limiting ring 72 and the sealing portion positioning ring 75 prevent the outer tube 71 of the connecting portion from being lost.
In this embodiment, preferably, referring to fig. 1, 2, and 3, the top of the air return pipe 4 is provided with a sealing portion 6, the sealing portion 6 is rotatably connected with a sealing connection bearing 64, the bottom of the sealing connection bearing 64 is connected with a sealing pedestal 62 through a sealing connection column 63, the bottom of the sealing pedestal 62 is provided with a sealing circular truncated cone 61, the inner wall of the sealing portion 6 is provided with a sealing block internal thread 65, the sealing block internal thread 65 is used in cooperation with the air pipe external thread 42, the sealing circular truncated cone 61 is used in cooperation with the air pipe air transmission groove 43, the sealing circular truncated cone 61 is located right above the air pipe air transmission groove 43, the sealing portion 6 can achieve a connection sealing effect on the air return pipe 4, after the air return pipe 4 is connected with the recovered air connection pipe 5, the top of the air return pipe 4 can be sealed through the sealing portion 6, so as to reduce the situation that dust and sewage are gathered to the top of the air return pipe 4, and the sealing circular truncated cone 61 is arranged in the sealing portion 6, after the air return pipe 4 and the sealing part 6 are connected, the sealing circular table body 61 has a sealing effect, so that dust and sewage at the top can be prevented from entering the air return pipe 4, and the gas leakage in the air return pipe 4 is further reduced.
The working principle and the using process are as follows: when the gas pipe connecting outer wall 41 is not input with gas, the sealing part 6 can fix the gas pipe connecting outer wall 41, the sealing part 6 is aligned to the top of the gas pipe connecting outer wall 41, the sealing circular table body 61 is positioned right above the gas pipe gas transmission groove 43, then the sealing part 6 is rotated, the sealing block internal thread 65 and the gas pipe external thread 42 are screwed and fixed in a rotating mode, the sealing part 6 is continuously moved downwards, the sealing circular table body 61 and the sealing part 6 move downwards together, the sealing circular table body 61 enters the positions of the gas pipe gas transmission groove 43 and the gas pipe sealing internal groove 44, and the gas pipe sealing internal groove 44 and the gas pipe gas transmission groove 43 can be sealed due to the fact that the sealing circular table body 61 is in a circular table structure, and the gas pipe connecting outer wall 41 is sealed; when the gas return pipe 4 and the gas return connecting pipe 5 need to be connected, the gas return pipe connecting block 54 at the bottom of the gas return pipe wall 52 is aligned to the top of the gas pipe connecting outer wall 41, then the gas return pipe connecting block 54 is rotated to enable the threads 58 in the gas return pipe and the external threads 42 of the gas pipe to rotate, and meanwhile, the gas return pipe connecting block 54 slides downwards when continuously rotating, so that the gas return pipe sealing block 57 is in an extrusion state, gaps between the gas return pipe sealing block 57 and the gas pipe gas transmission groove 43 are reduced, the connection sealing performance of the gas return pipe wall 52 and the gas pipe connecting outer wall 41 is better, and the gas return pipe wall 52 and the gas pipe connecting outer wall 41 are fixedly connected; the sealing part fixing inner tube 77 is deeply inserted into a hole groove at the outer part of the oil transportation equipment 1, then the connecting part outer tube 71 is rotated, so that the connecting part outer tube 71 and the outer wall of the oil transportation equipment 1 are in threaded rotary fixing, namely, the sealing part inner tube 74 and the connecting part outer tube 71 can be fixed, and meanwhile, the connecting part limiting ring 72 and the sealing part positioning ring 75 prevent the loss of the connecting part outer tube 71; and fig. 7 shows the storage state of the reverse flow prevention part 8, when the gas enters the recovery gas pipe wall 52, the reverse flow prevention part 8 is opened by the acting force, the distance of the reverse flow prevention side grooves 81 is large, the tops of several reverse flow prevention bottom rings 83 are in a separated state, the gas can normally flow into the recovery gas pipe inner groove 55, when the gas flows into the recovery gas pipe inner groove 55, the reverse flow prevention bottom rings 83 are in the storage state, the gas cannot flow out of the recovery gas pipe inner groove 55, the reverse flow prevention part 8 has the reverse flow prevention effect, and the gas cannot flow downwards from the top of the reverse flow prevention part 8, so that the sealing effect is achieved.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides an oil gas recovery's pipe connection device, includes oil storage tank (3), oil transportation equipment (1), its characterized in that: an air return pipe (4) is arranged on one side of the top of the oil storage tank (3), a recovered gas connecting pipe (5) is arranged on one side of the oil transportation equipment (1), and the air return pipe (4) and the recovered gas connecting pipe (5) are connected;
an air pipe sealing inner groove (44) is formed in the air return pipe (4), an air pipe air conveying groove (43) is formed in the top of the air pipe sealing inner groove (44) and is located on the air pipe connecting outer wall (41), and an air pipe outer thread (42) is formed in the top of the outer wall of the air pipe sealing inner groove (44);
the gas recovery connecting pipe (5) comprises a gas recovery pipe wall (52), the top end of the gas recovery pipe wall (52) is connected with the oil transportation equipment (1) through a gas pipe connecting part (7), gas recovery pipe inner grooves (55) are formed in the inside of the gas recovery pipe wall (52), gas recovery pipe sealing grooves (56) are formed in the bottom of the gas recovery pipe inner grooves (55), gas recovery pipe sealing blocks (57) are arranged on the outer wall of the gas recovery pipe sealing grooves (56), a gas recovery pipe connecting block (54) is arranged at one end of the bottom of the gas recovery pipe wall (52), and gas recovery pipe internal threads (58) are formed in the inner wall of the gas recovery pipe connecting block (54).
2. The oil and gas recovery pipe connection device according to claim 1, wherein: the inside of gas recovery pipe wall (52) is equipped with prevents against current portion (8), prevent against current portion (8) including preventing against current arc piece (82), prevent against current arc piece (82) and be located the inner wall of gas recovery intraductal groove (55), just prevent against current arc piece (82) and the diameter of gas recovery intraductal groove (55) unanimous.
3. The oil and gas recovery pipe connection device according to claim 2, wherein: the top of the anti-reflux arc-shaped block (82) is symmetrically provided with a plurality of anti-reflux bottom rings (83), and an anti-reflux side groove (81) is formed between two anti-reflux bottom rings (83).
4. The oil and gas recovery pipe connection device according to claim 1, wherein: the outer wall of the gas recovery pipe wall (52) is provided with a gas recovery pipe handle (53), and the joint of the gas recovery pipe wall (52) and the gas pipe connecting part (7) is provided with a rubber elbow (51).
5. The oil and gas recovery pipe connection device according to claim 1, wherein: the recycling air pipe connecting block (54) is sleeved outside the air pipe connecting outer wall (41), and the inner threads (58) of the recycling air pipe are rotationally fixed with the outer threads (42) of the air pipe.
6. The oil and gas recovery pipe connection device according to claim 4, wherein: trachea connecting portion (7) include sealing part inner tube (74), sealing part inner tube (74) are located rubber return bend (51) and keep away from the tip of recovery trachea wall (52), the one end fixedly connected with sealing part holding ring (75) of sealing part inner tube (74), the one end of sealing part holding ring (75) is equipped with the fixed inner tube of sealing part (77), the outer wall of the fixed inner tube of sealing part (77) is equipped with sealing part rubber ring (76).
7. The oil and gas recovery pipe connection device according to claim 6, wherein: the outer cover of sealing part inner tube (74) is equipped with connecting portion outer tube (71), one side middle part of connecting portion outer tube (71) is equipped with connecting portion spacing ring (72), the inner wall of connecting portion outer tube (71) is equipped with outer tube internal thread (73).
8. The oil and gas recovery pipe connection device according to claim 1, wherein: the top of muffler (4) is equipped with sealing (6), sealing (6) internal rotation is connected with sealing connection bearing (64), the bottom of sealing connection bearing (64) is connected with sealed pedestal (62) through sealed spliced pole (63), the bottom of sealed pedestal (62) is equipped with sealed round platform body (61), the inner wall of sealing (6) is equipped with sealed piece internal thread (65), just sealed piece internal thread (65) use with trachea external screw thread (42) cooperation.
9. The oil and gas recovery pipe connection device according to claim 8, wherein: the sealing circular table body (61) is matched with the air pipe air conveying groove (43) for use, and the sealing circular table body (61) is positioned right above the air pipe air conveying groove (43).
10. The oil and gas recovery pipe connection device according to claim 1, wherein: the oil storage tank (3) is located underground, the oil transportation equipment (1) is located on the ground, an oil unloading pipe (2) is arranged at the top of the oil storage tank (3), and the oil transportation equipment (1) is connected with the oil storage tank (3) through the oil unloading pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110762577.6A CN113460941A (en) | 2021-07-06 | 2021-07-06 | Oil gas recovery's pipe connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110762577.6A CN113460941A (en) | 2021-07-06 | 2021-07-06 | Oil gas recovery's pipe connection device |
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| Publication Number | Publication Date |
|---|---|
| CN113460941A true CN113460941A (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110762577.6A Pending CN113460941A (en) | 2021-07-06 | 2021-07-06 | Oil gas recovery's pipe connection device |
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| CN213506021U (en) * | 2020-06-29 | 2021-06-22 | 圣沣农业科技(大连)有限公司 | Automatic recycling system for livestock and poultry sewage |
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| CN202685919U (en) * | 2012-06-06 | 2013-01-23 | 北汽福田汽车股份有限公司 | Oil gas recovery device for refueling and fuel tank |
| CN209382694U (en) * | 2018-12-05 | 2019-09-13 | 大连兰特科技有限公司 | A kind of oil gas volatilization concentration monitoring device of crude oil storage tank |
| CN209428114U (en) * | 2019-01-22 | 2019-09-24 | 徐艳华 | A kind of gas station's oil storage tank fuel transfer system |
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| CN213312147U (en) * | 2020-05-26 | 2021-06-01 | 杭州市红十字会医院 | Splash-proof sputum suction tube |
| CN213506021U (en) * | 2020-06-29 | 2021-06-22 | 圣沣农业科技(大连)有限公司 | Automatic recycling system for livestock and poultry sewage |
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Application publication date: 20211001 |