CN114263769A - Check valve for petroleum pipeline transportation and use method thereof - Google Patents
Check valve for petroleum pipeline transportation and use method thereof Download PDFInfo
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- CN114263769A CN114263769A CN202111613700.4A CN202111613700A CN114263769A CN 114263769 A CN114263769 A CN 114263769A CN 202111613700 A CN202111613700 A CN 202111613700A CN 114263769 A CN114263769 A CN 114263769A
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- 239000003208 petroleum Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 148
- 230000005540 biological transmission Effects 0.000 claims description 52
- 239000000523 sample Substances 0.000 claims description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 239000006261 foam material Substances 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 14
- 230000009467 reduction Effects 0.000 abstract description 4
- 230000006837 decompression Effects 0.000 description 7
- 238000007667 floating Methods 0.000 description 5
- 230000005571 horizontal transmission Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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Abstract
The invention relates to the technical field of oil exploitation, in particular to a check valve for petroleum pipeline transportation and a using method thereof. The stop plate in the oil inlet of the check valve and the sealing plate in the oil outlet of the check valve can immediately seal after the petroleum stops transportation, so that the reverse backflow of the petroleum is prevented, the interception effect is obviously enhanced, meanwhile, the stop plate in the oil inlet of the check valve and the sealing plate in the oil outlet of the check valve can play a role in pressure reduction, and the check valve has the advantages of simple structure, small resistance and good sealing effect.
Description
Technical Field
The invention relates to a check valve and a using method thereof, in particular to a check valve for petroleum pipeline transportation and a using method thereof, belonging to the technical field of petroleum exploitation.
Background
The check valve is a valve whose opening and closing part is a circular valve clack and acts by self weight and medium pressure to block medium backflow, belonging to the automatic valve class, also called check valve, one-way valve, reflux valve or isolating valve, the valve clack motion mode is divided into lifting type and swing type, the lifting type check valve is similar to the structure of the stop valve, only lacks a valve rod for driving the valve clack, the medium flows in from the inlet end and flows out from the outlet end.
In the transportation of petroleum, the traditional valve body principle is as follows: when the inlet pressure is greater than the sum of the weight of the valve clack and the flow resistance of the valve clack, the valve is opened, otherwise, the valve is closed when the medium flows backwards, the valve clack is heavy, so that the resistance is large, abrasion of different degrees can be caused by long-time use, the sealing performance is poor when the valve is closed, and the stopping efficiency is obviously reduced.
Therefore, there is a need for an improved check valve for petroleum pipeline transportation to solve the above existing problems.
Disclosure of Invention
The invention aims to provide a check valve for petroleum pipeline transportation and a using method thereof.
In order to achieve the purpose, the invention adopts the main technical scheme that:
a check valve for petroleum pipeline transportation comprises a check valve body, wherein a check valve oil inlet and a check valve oil outlet which are communicated with each other are formed in the check valve body, a stop plate is rotatably arranged in the check valve oil inlet, a stop braking mechanism is arranged on the check valve body on one side of the stop plate, the stop braking mechanism comprises a transverse transmission plate, the transverse transmission plate abuts against the stop plate, and the stop plate is used for decompressing and sealing the check valve oil inlet;
a sealing plate is rotatably arranged inside the check valve oil outlet, one end of the sealing plate is fixed inside the check valve oil outlet through a spring, and the sealing plate is used for carrying out pressure reduction sealing on the check valve oil outlet;
through above technical scheme, the inside closing plate of check valve oil inlet and the inside closing plate of check valve oil-out can seal at once after the oil stops transporting, prevent the reverse refluence of oil, the effect that dams obviously strengthens, and the inside closing plate of check valve oil inlet and the inside closing plate of check valve oil-out can also play the effect of decompression simultaneously, simple structure, the scope of flexibility and use promotes greatly.
Preferably, a stop plate rotating head at one end of the stop plate is rotatably arranged inside the check valve oil inlet, a stop plate sealing head at the other end of the stop plate rotates around the stop plate rotating head, an iron rod is fixedly arranged inside the stop plate sealing head, a stop plate sealing head groove is arranged between the check valve oil inlet and the check valve oil outlet, an arc-shaped magnetic steel is fixedly arranged inside the stop plate sealing head groove, the arc-shaped magnetic steel corresponds to the iron rod, and the arc-shaped magnetic steel is used for adsorbing the iron rod;
through above technical scheme, under the impact of oil petroleum, the closing plate upwards rotates, makes the closing plate sealing head on the closing plate and the arc magnet steel separation on the closing plate sealing head groove, and then can flow into the inside of check valve oil-out through the closing plate in the time, and after oil stops the transportation, the closing plate is rotatory around closing plate rotating head, and the iron bar on the closing plate sealing head is attracted by the arc magnet steel, consequently reaches the purpose that prevents the oil refluence.
Preferably, the top of check valve oil inlet is in the inside of check valve body is seted up by braking the storehouse, by the arrestment setting in the inside of braking the storehouse, by the arrestment including the slant worm, horizontal driving plate with be provided with the transmission worm wheel between the slant worm, horizontal driving plate level sets up just horizontal driving plate runs through by braking the storehouse and offsets with the stop plate, the downside of horizontal driving plate is provided with the promotion tooth of being connected with the meshing of transmission worm wheel, the slant worm sets up the below of transmission worm wheel, the slant worm with the meshing of transmission worm wheel is connected, the slant worm is used for rotating the transmission worm wheel, the transmission worm wheel is used for horizontal promotion horizontal driving plate, the one end that the transmission worm wheel was kept away from to the slant worm is connected with the brake nut, the brake nut is arranged on the outer side of the check valve body and used for rotating the inclined worm;
through above technical scheme, the horizontal driving plate that ends on the arrestment mechanism runs through by the braking storehouse and offsets with the cut-off board, drive the rotation of transmission worm wheel when rotatory slant worm through clockwise brake nut, drive the horizontal motion of horizontal driving plate when transmission worm wheel pivoted, at the in-process of oil transportation, promote the angle that the cut-off board deflects through the length that promotes horizontal driving plate, consequently, reach the mesh to the decompression of oil velocity of flow, reduce the focus of cut-off board sealing head on the cut-off board in the rotation cut-off board, consequently, can become to promote purpose by the great extent, can also play the purpose of decompression.
Preferably, a sealing plate braking bin is arranged inside the check valve oil outlet, the sealing plate rotates to be arranged inside the sealing plate braking bin, a sealing plate braking piece is arranged at one end of the sealing plate, a sealing plate sealing head at the other end of the sealing plate rotates around the rotating groove, one end of the spring is fixedly connected with the sealing plate braking bin, and a sealing plate sliding groove in sliding connection with the sealing plate sealing head is formed in the check valve oil outlet.
Preferably, a buoyancy ball is fixedly arranged inside the sealing head of the sealing plate, the buoyancy ball is made of foam materials, a sealing plate adjusting rod is arranged at the bottom of the sealing plate, and the upper end of the sealing plate adjusting rod penetrates through the check valve body and abuts against the lower side surface of the sealing plate;
through the technical scheme, one end of the sealing plate is fixed inside the sealing plate braking bin through the spring, so that the sealing plate can rotate around the rotating groove, the sealing plate sealing head rotates into the sealing plate sliding groove, the purpose of sealing the check valve oil outlet can be achieved, the floating ball is arranged on the sealing plate sealing head, the petroleum liquid surface inside the check valve oil outlet drives the sealing plate sealing head to float upwards in the process of upward floating, the sealing plate sealing head rotates along with the sealing plate sealing head to enter the sealing plate sliding groove in the process of upward floating, the sealing plate completely seals the check valve oil outlet under the action of the spring, and the purpose of stopping is achieved;
in addition, the bottom of closing plate still is provided with the closing plate and adjusts the pole, adjusts the pole through rotatory closing plate and makes the closing plate take place to rotate, promotes the rotatory efficiency of closing plate promptly and can also reach the effect to the decompression of check valve oil-out, promotes the flexibility that the effect and the use that the check valve body was ended greatly.
Preferably, a valve body detection cover body is arranged above the check valve body, the upper side surface of the valve body detection cover body is connected with a sealing cover body through a fastening bolt, an electric bin is arranged between the valve body detection cover body and the sealing cover body, and a storage battery and a central processing chip are arranged inside the electric bin;
preferably, a pressure probe and a radar flow rate probe are arranged on one side face, which is in contact with the oil outlet of the check valve, of the valve body detection cover body, the pressure probe and the radar flow rate probe are both in communication connection with the central processing chip, a solar cell panel groove is formed in the upper side face of the sealing cover body, a solar cell panel is arranged inside the solar cell panel groove, the solar cell panel is electrically connected with the storage battery, a pressure meter and a flow rate meter are arranged on the upper side face of the sealing cover body, and the pressure meter and the flow rate meter are both in communication connection with the central processing chip;
through above technical scheme, the information transmission that the pressure probe and the radar velocity of flow probe of the bottom of valve body detection lid will detect sends the central processing chip to, and the central processing chip transmits manometer and velocity of flow meter after with information processing, demonstrates, and solar cell panel on the valve body detection lid turns into solar energy with the electric energy storage on the battery for subsequent use simultaneously, can audio-visually observe corresponding information through manometer and velocity of flow meter, promotes the convenience of using.
Preferably, the both ends of check valve body are connected with the outlet flange and the entry flange of symmetric distribution, the outlet flange with the inside of entry flange all is provided with the filter sieve, the fixed filter screen that is provided with in bottom of filter sieve is convenient for clear up the inside impurity of stone oil, prevents that the check valve body from being blockked up, promotes the life of check valve body.
The use method of the check valve for petroleum pipeline transportation comprises the following steps:
the method comprises the following steps: respectively placing the filter screen into an outlet flange and an inlet flange, and connecting the outlet flange and the inlet flange with an external oil pipe;
step two: in the using process, the transverse transmission plate extrudes the stop plate by rotating the brake nut on the stop brake mechanism, so that the pressure of oil can be changed while the reverse transportation of oil is prevented;
step three: the sealing plate is rotated upwards by rotating the sealing plate adjusting rod, the sensitivity of stopping oil is improved by lifting the height of the sealing plate, and the aim of reducing pressure again can be fulfilled;
step four: solar cell panel on the solar cell panel groove demonstrates through manometer and velocity of flow table after transmitting the information that detects to central processing chip in transmitting the battery with the electric energy, pressure probe and radar velocity of flow probe, and it can to observe through manometer and velocity of flow table.
The invention has at least the following beneficial effects:
1. inside closing plate of check valve oil inlet and the inside closing plate of check valve oil-out can seal at once after the oil stops transporting, prevent the reverse refluence of oil, the effect that dams obviously strengthens, and inside closing plate of check valve oil inlet and the inside closing plate of check valve oil-out can also play the effect of decompression simultaneously, simple structure, and the resistance is little and sealed effectual.
2. The horizontal transmission plate on the stop brake mechanism runs through the stop brake bin and offsets with the stop plate, the rotation of the transmission worm wheel is driven when the oblique worm is rotated by the clockwise brake nut, the horizontal movement of the horizontal transmission plate is driven when the transmission worm wheel rotates, in the process of petroleum transportation, the angle of deflection of the stop plate is increased by the length of the horizontal transmission plate, so that the purpose of reducing the flow rate of petroleum is achieved, the gravity center of the seal head of the stop plate on the stop plate is reduced when the stop plate is rotated, the stop purpose can be greatly improved, and the pressure reduction purpose can be achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic view of an open valve according to the present invention;
FIG. 2 is a schematic view of the valve of the present invention;
FIG. 3 is a perspective view of the present invention;
FIG. 4 is a view showing the construction of a cut-off brake mechanism of the present invention;
FIG. 5 is a cross-sectional view of a seal plate of the present invention;
FIG. 6 is a top view of the closure of the present invention;
fig. 7 is a perspective view of a filter screen of the present invention.
In the figure, 1-check valve body, 101-check valve oil inlet, 102-check valve oil outlet, 103-stop brake bin, 104-seal plate brake bin, 105-seal plate slide groove, 106-stop plate seal head groove, 2-stop plate, 201-stop plate rotating head, 202-stop plate seal head, 3-seal plate, 301-seal plate brake piece, 302-seal plate seal head, 303-rotating groove, 4-stop brake mechanism, 401-transverse transmission plate, 402-oblique worm, 403-brake nut, 404-pushing tooth, 5-valve body detection cover body, 501-seal cover body, 502-electric bin, 503-solar cell plate groove, 6-filter screen, 601-filter screen, 7-solar cell plate, 8-pressure gauge, 801-flow rate gauge, 9-pressure probe, 10-radar flow rate probe, 11-storage battery, 12-central processing chip, 13-spring, 14-arc magnetic steel, 15-sealing plate adjusting rod, 16-iron rod, 17-inlet flange, 18-outlet flange, 19-transmission worm wheel, 20-buoyancy ball and 21-fastening bolt.
Detailed Description
Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.
As shown in fig. 1 to 7, the check valve for petroleum pipeline transportation provided by the present embodiment includes a check valve body 1, a check valve oil inlet 101 and a check valve oil outlet 102 that are communicated with each other are formed in the check valve body 1, a stop plate 2 is rotatably disposed in the check valve oil inlet 101, a stop brake mechanism 4 is disposed on the check valve body 1 on one side of the stop plate 2, the stop brake mechanism 4 includes a transverse transmission plate 401, the transverse transmission plate 401 abuts against the stop plate 2, and the stop plate 2 is used for performing pressure reduction sealing on the check valve oil inlet 101;
a sealing plate 3 is rotatably arranged inside the check valve oil outlet 102, one end of the sealing plate 3 is fixed inside the check valve oil outlet 102 through a spring 13, and the sealing plate 3 is used for decompressing and sealing the check valve oil outlet 102;
inside closing plate 2 of check valve oil inlet 101 and the inside closing plate 3 of check valve oil-out 102 can seal immediately after the oil stops transporting, prevent the reverse refluence of oil, the effect that dams is obviously strengthened, inside closing plate 2 of check valve oil inlet 101 and the inside closing plate 3 of check valve oil-out 102 can also play the effect of decompression simultaneously, moreover, the steam generator is simple in structure, the flexibility and the scope of use promote greatly.
A stop plate rotating head 201 at one end of a stop plate 2 is rotatably arranged inside a check valve oil inlet 101, a stop plate sealing head 202 at the other end of the stop plate 2 rotates around the stop plate rotating head 201, an iron rod 16 is fixedly arranged inside the stop plate sealing head 202, a stop plate sealing head groove 106 is arranged between the check valve oil inlet 101 and a check valve oil outlet 102, an arc-shaped magnetic steel 14 is fixedly arranged inside the stop plate sealing head groove 106, the arc-shaped magnetic steel 14 corresponds to the iron rod 16, and the arc-shaped magnetic steel 14 is used for adsorbing the iron rod 16;
under the impact of petroleum, the stop plate 2 rotates upwards to separate the stop plate sealing head 202 on the stop plate 2 from the arc-shaped magnetic steel 14 on the stop plate sealing head groove 106, and then the oil can flow into the check valve oil outlet 102 through the stop plate 2, after the petroleum stops being transported, the stop plate 2 rotates around the stop plate rotating head 201, and the iron rod 16 on the stop plate sealing head 202 is attracted by the arc-shaped magnetic steel 14, so that the purpose of preventing the petroleum from flowing backwards is achieved.
A stop braking bin 103 is arranged in the check valve body 1 above the check valve oil inlet 101, a stop braking mechanism 4 is arranged in the stop braking bin 103, the stop braking mechanism 4 comprises an oblique worm 402, a transmission worm wheel 19 is arranged between a transverse transmission plate 401 and the oblique worm 402, the transverse transmission plate 401 is horizontally arranged, the transverse transmission plate 401 penetrates through the stop braking bin 103 and abuts against the stop plate 2, the lower side surface of the transverse transmission plate 401 is provided with a pushing tooth 404 meshed and connected with the transmission worm wheel 19, the oblique worm 402 is arranged below the transmission worm wheel 19, the oblique worm 402 is meshed and connected with the transmission worm wheel 19, the oblique worm 402 is used for rotating the transmission worm wheel 19, the transmission worm wheel 19 is used for horizontally pushing the transverse transmission plate 401, one end of the oblique worm 402, which is far away from the transmission worm wheel 19, is connected with a braking nut 403, and the braking nut 403 is arranged on the outer side of the check valve body 1, the brake nut 403 is used for rotating the diagonal worm 402;
the transverse transmission plate 401 on the stop brake mechanism 4 penetrates through the stop brake bin 103 and abuts against the stop plate 2, the oblique worm 402 is rotated by the clockwise brake nut 403, the transmission worm wheel 19 is driven to rotate, the transverse transmission plate 401 is driven to horizontally move, in the process of petroleum transportation, the deflection angle of the stop plate 2 is increased by pushing the length of the transverse transmission plate 401, the purpose of reducing the flow rate of petroleum is achieved, the gravity center of the stop plate sealing head 202 on the stop plate 2 is reduced while the stop plate 2 is rotated, the stop purpose can be greatly improved, and the purpose of reducing pressure can be achieved.
In this embodiment, as shown in fig. 1, a sealing plate braking bin 104 is disposed inside a check valve oil outlet 102, a sealing plate 3 is rotatably disposed inside the sealing plate braking bin 104, a sealing plate braking member 301 is disposed at one end of the sealing plate 3, a sealing plate sealing head 302 at the other end of the sealing plate 3 rotates around a rotating groove 303, one end of a spring 13 is fixedly connected to the sealing plate braking bin 104, a sealing plate sliding groove 105 slidably connected to the sealing plate sealing head 302 is disposed on the check valve oil outlet 102, a buoyancy ball 20 is fixedly disposed inside the sealing plate sealing head 302, the buoyancy ball 20 is a buoyancy ball made of a foam material, a sealing plate adjusting rod 15 is disposed at the bottom of the sealing plate 3, and an upper end of the sealing plate adjusting rod 15 penetrates through a check valve body 1 and abuts against a lower side surface of the sealing plate 3;
one end of the sealing plate 3 is fixed inside the sealing plate braking bin 104 through a spring 13, so that the sealing plate 3 can rotate around the rotating groove 303, the sealing plate sealing head 302 rotates into the sealing plate sliding groove 105, and the purpose of sealing the check valve oil outlet 102 can be achieved, a buoyancy ball 20 is arranged on the sealing plate sealing head 302, the petroleum liquid level inside the check valve oil outlet 102 drives the sealing plate sealing head 302 to float upwards in the upward floating process, the sealing plate sealing head 302 rotates along with the sealing plate sliding groove 105 in the upward floating process, and the sealing plate 3 completely seals the check valve oil outlet 102 under the action of the spring 13 to achieve the purpose of stopping;
in addition, the bottom of the sealing plate 3 is also provided with a sealing plate adjusting rod 15, the sealing plate 3 is rotated by rotating the sealing plate adjusting rod 15, the rotating efficiency of the sealing plate 3 is improved, the decompression effect on the check valve oil outlet 102 can be achieved, and the stopping effect and the use flexibility of the check valve body 1 are greatly improved.
A valve body detection cover body 5 is arranged above the check valve body 1, the upper side surface of the valve body detection cover body 5 is connected with a sealing cover body 501 through a fastening bolt 21, an electric bin 502 is arranged between the valve body detection cover body 5 and the sealing cover body 501, a storage battery 11 and a central processing chip 12 are arranged inside the electric bin 502, a pressure probe 9 and a radar flow rate probe 10 are arranged on one side surface of the valve body detection cover body 5, which is contacted with the check valve oil outlet 102, the pressure probe 9 and the radar flow rate probe 10 are both in communication connection with the central processing chip 12, a solar battery panel groove 503 is arranged on the upper side surface of the sealing cover body 501, a solar battery panel 7 is arranged inside the solar battery panel groove 503, and the solar battery panel 7 is electrically connected with the storage battery 11;
the upper side surface of the sealing cover body 501 is provided with a pressure gauge 8 and a flow rate meter 801, and the pressure gauge 8 and the flow rate meter 801 are both in communication connection with the central processing chip 12.
The pressure probe 9 and the radar velocity of flow probe 10 of the bottom of valve body detection lid 5 will detect information transmission to central processing chip 12, central processing chip 12 transmits manometer 8 and velocity of flow table 801 after with information processing, demonstrate, solar cell panel 7 on the valve body detection lid 5 turns into the electric energy with solar energy simultaneously and stores on battery 11 for later use, can audio-visually observe corresponding information through manometer 8 and velocity of flow table 801, promote the convenience of use.
In this embodiment, as shown in fig. 2, the two ends of the check valve body 1 are connected with the outlet flange 18 and the inlet flange 17 which are symmetrically distributed, the inside of the outlet flange 18 and the inside of the inlet flange 17 are both provided with the filter screen 6, and the bottom of the filter screen 6 is fixedly provided with the filter screen 601, so that the impurities inside the petroleum can be conveniently cleaned, the check valve body 1 is prevented from being blocked, and the service life of the check valve body 1 is prolonged.
As shown in fig. 1 to 7, the method for using a check valve for petroleum pipeline transportation according to the present embodiment includes the following steps:
the method comprises the following steps: respectively placing the filter screen 6 into an outlet flange 18 and an inlet flange 17, and connecting the outlet flange 18 and the inlet flange 17 with an external oil pipe;
step two: during use, the transverse transmission plate 401 is enabled to press the stop plate 2 by rotating the brake nut 403 on the stop brake mechanism 4, so that the pressure of oil can be changed while reverse transportation of oil is prevented;
step three: the sealing plate 3 is rotated upwards by rotating the sealing plate adjusting rod 15, the sensitivity of the cut-off oil is improved by lifting the height of the sealing plate 3, and the purpose of reducing pressure again can be achieved;
step four: the solar cell panel 7 on the solar cell panel groove 503 transmits electric energy to the storage battery 11, the pressure probe 9 and the radar flow velocity probe 10 transmit detected information to the central processing chip 12 and then display the information through the pressure gauge 8 and the flow velocity meter 801, and the information can be observed through the pressure gauge 8 and the flow velocity meter 801.
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to achieve the technical effect basically.
It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article or system in which the element is included.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The check valve for petroleum pipeline transportation comprises a check valve body (1) and is characterized in that a check valve oil inlet (101) and a check valve oil outlet (102) which are communicated with each other are formed in the check valve body (1), a stop plate (2) is rotatably arranged in the check valve oil inlet (101), a stop brake mechanism (4) is arranged on the check valve body (1) on one side of the stop plate (2), the stop brake mechanism (4) comprises a transverse transmission plate (401), the transverse transmission plate (401) abuts against the stop plate (2), and the stop plate (2) is used for decompressing and sealing the check valve oil inlet (101);
the check valve oil outlet (102) is internally and rotatably provided with a sealing plate (3), one end of the sealing plate (3) is fixed inside the check valve oil outlet (102) through a spring (13), and the sealing plate (3) is used for decompressing and sealing the check valve oil outlet (102).
2. The check valve for petroleum pipeline transportation of claim 1, wherein: a stop plate rotating head (201) at one end of the stop plate (2) is rotatably arranged inside the check valve oil inlet (101), and a stop plate sealing head (202) at the other end of the stop plate (2) rotates around the stop plate rotating head (201);
an iron rod (16) is fixedly arranged inside the stop plate sealing head (202), a stop plate sealing head groove (106) is arranged between the check valve oil inlet (101) and the check valve oil outlet (102), arc-shaped magnetic steel (14) is fixedly arranged inside the stop plate sealing head groove (106), the arc-shaped magnetic steel (14) corresponds to the iron rod (16), and the arc-shaped magnetic steel (14) is used for adsorbing the iron rod (16).
3. The check valve for petroleum pipeline transportation of claim 1, wherein: a stopping braking bin (103) is arranged above the check valve oil inlet (101) in the check valve body (1), the stopping braking mechanism (4) is arranged in the stopping braking bin (103), the stopping braking mechanism (4) comprises an oblique worm (402), and a transmission worm wheel (19) is arranged between the transverse transmission plate (401) and the oblique worm (402);
the transverse transmission plate (401) is horizontally arranged, the transverse transmission plate (401) penetrates through the stopping brake bin (103) and abuts against the stopping plate (2), pushing teeth (404) meshed with the transmission worm wheel (19) are arranged on the lower side face of the transverse transmission plate (401), the inclined worm (402) is arranged below the transmission worm wheel (19), the inclined worm (402) is meshed with the transmission worm wheel (19) and is connected with the transmission worm wheel (19), the inclined worm (402) is used for rotating the transmission worm wheel (19), and the transmission worm wheel (19) is used for horizontally pushing the transverse transmission plate (401);
one end, far away from the transmission worm wheel (19), of the inclined worm (402) is connected with a brake nut (403), the brake nut (403) is arranged on the outer side of the check valve body (1), and the brake nut (403) is used for rotating the inclined worm (402).
4. The check valve for petroleum pipeline transportation of claim 1, wherein: a sealing plate braking bin (104) is arranged inside the check valve oil outlet (102), and the sealing plate (3) is rotatably arranged inside the sealing plate braking bin (104);
one end of the sealing plate (3) is provided with a sealing plate braking piece (301), a sealing plate sealing head (302) at the other end of the sealing plate (3) rotates around a rotating groove (303), one end of the spring (13) is fixedly connected with the sealing plate braking bin (104), and a sealing plate sliding groove (105) which is in sliding connection with the sealing plate sealing head (302) is formed in the check valve oil outlet (102).
5. The check valve for petroleum pipeline transportation of claim 4, wherein: a buoyancy ball (20) is fixedly arranged in the sealing plate sealing head (302), and the buoyancy ball (20) is made of foam materials;
the bottom of closing plate (3) is provided with closing plate regulation pole (15), the upper end of closing plate regulation pole (15) is run through check valve body (1) and with the downside of closing plate (3) offsets.
6. The check valve for petroleum pipeline transportation of claim 1, wherein: a valve body detection cover body (5) is arranged above the check valve body (1), and the upper side surface of the valve body detection cover body (5) is connected with a sealing cover body (501) through a fastening bolt (21);
an electric bin (502) is arranged between the valve body detection cover body (5) and the sealing cover body (501), and a storage battery (11) and a central processing chip (12) are arranged inside the electric bin (502).
7. The check valve for petroleum pipeline transportation of claim 6, wherein: one side face, in contact with the check valve oil outlet (102), of the valve body detection cover body (5) is provided with a pressure probe (9) and a radar flow rate probe (10), and the pressure probe (9) and the radar flow rate probe (10) are in communication connection with the central processing chip (12).
8. The check valve for petroleum pipeline transportation of claim 6, wherein: a solar cell panel groove (503) is formed in the upper side face of the sealing cover body (501), a solar cell panel (7) is arranged inside the solar cell panel groove (503), and the solar cell panel (7) is electrically connected with the storage battery (11);
the upper side surface of the sealing cover body (501) is provided with a pressure gauge (8) and a flow rate meter (801), and the pressure gauge (8) and the flow rate meter (801) are in communication connection with the central processing chip (12).
9. The check valve for petroleum pipeline transportation of claim 1, wherein: the two ends of the check valve body (1) are connected with an outlet flange (18) and an inlet flange (17) which are symmetrically distributed, the outlet flange (18) and the inlet flange (17) are internally provided with a filter sieve (6), and the bottom of the filter sieve (6) is fixedly provided with a filter screen (601).
10. A use method of a check valve for petroleum pipeline transportation is characterized in that: the method comprises the following steps:
the method comprises the following steps: respectively placing the filter screen (6) into an outlet flange (18) and an inlet flange (17), and connecting the outlet flange (18) and the inlet flange (17) with an external oil pipe;
step two: in the using process, the transverse transmission plate (401) is enabled to extrude the cut-off plate (2) by rotating the brake nut (403) on the cut-off brake mechanism (4), and the pressure of oil can be changed while the reverse transportation of oil is prevented;
step three: the sealing plate (3) is rotated upwards by rotating the sealing plate adjusting rod (15), the sensitivity of stopping oil is improved by lifting the height of the sealing plate (3), and the aim of reducing pressure again can be achieved;
step four: the solar cell panel (7) on the solar cell panel groove (503) transmits electric energy to the storage battery (11), the pressure probe (9) and the radar flow velocity probe (10) transmit detected information to the central processing chip (12) and then are displayed through the pressure gauge (8) and the flow velocity meter (801), and observation is carried out through the pressure gauge (8) and the flow velocity meter (801).
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| CN202111613700.4A CN114263769A (en) | 2021-12-27 | 2021-12-27 | Check valve for petroleum pipeline transportation and use method thereof |
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| CN202111613700.4A CN114263769A (en) | 2021-12-27 | 2021-12-27 | Check valve for petroleum pipeline transportation and use method thereof |
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| CN113532514A (en) * | 2021-06-23 | 2021-10-22 | 江苏迪威高压科技股份有限公司 | High-pressure pipe fitting structure with detection structure and using method thereof |
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| GB563671A (en) * | 1943-03-26 | 1944-08-24 | John Wilfred Treherne | Improvements in and relating to non-return valves |
| EP0572715A1 (en) * | 1992-06-02 | 1993-12-08 | Combustion Engineering, Inc. | Check valve testing method |
| CN102563142A (en) * | 2012-02-08 | 2012-07-11 | 张关池 | Improved single-disc adjustable check valve |
| CN202884133U (en) * | 2012-10-09 | 2013-04-17 | 安徽红星阀门有限公司 | Flap check valve |
| CN203517159U (en) * | 2013-10-24 | 2014-04-02 | 武汉钢铁(集团)公司 | Water backflow preventing device of water supply pipeline |
| CN205841884U (en) * | 2016-06-22 | 2016-12-28 | 安徽格兰富机械设备有限公司 | There is the check-valves of cutoff function |
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| CN209430811U (en) * | 2018-12-25 | 2019-09-24 | 天津卡尔斯阀门股份有限公司 | A kind of swing check valve |
| CN111810684A (en) * | 2020-07-17 | 2020-10-23 | 哈电集团哈尔滨电站阀门有限公司 | Low flow resistance slow-closing check valve |
| CN113532514A (en) * | 2021-06-23 | 2021-10-22 | 江苏迪威高压科技股份有限公司 | High-pressure pipe fitting structure with detection structure and using method thereof |
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