CN220119162U - Safety protection device for oil pipeline - Google Patents

Safety protection device for oil pipeline Download PDF

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Publication number
CN220119162U
CN220119162U CN202321602851.4U CN202321602851U CN220119162U CN 220119162 U CN220119162 U CN 220119162U CN 202321602851 U CN202321602851 U CN 202321602851U CN 220119162 U CN220119162 U CN 220119162U
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China
Prior art keywords
pressure
oil
pressure relief
valve
pipeline
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CN202321602851.4U
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Chinese (zh)
Inventor
崔巍
林凤鹏
刘士颖
赵伟
毕经广
汪晓坤
汪磊
于克岩
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Chemchina Logistics Co Ltd
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Chemchina Logistics Co Ltd
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Priority to CN202321602851.4U priority Critical patent/CN220119162U/en
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Abstract

The utility model provides a safety protection device for an oil pipeline. The oil product pipeline pressure relief device comprises an interlocking pressure relief mechanism, an automatic pressure relief mechanism and a safety pressure relief mechanism which are arranged in parallel with an oil product pipeline, wherein the interlocking pressure relief mechanism, the automatic pressure relief mechanism and the safety pressure relief mechanism are all connected with a pressure relief storage tank; be equipped with teletransmission manometer and delivery pump on the oil pipeline, interlocking relief mechanism includes the motorised valve, and automatic relief mechanism includes the pressure regulating valve, and safe relief mechanism includes the relief valve, and delivery pump, teletransmission manometer and motorised valve all are connected with the switch board. According to the utility model, the pressure relief is carried out through the three pressure relief mechanisms connected in parallel with the oil product pipeline, each pressure relief mechanism can independently realize the pressure relief requirement of the oil product pipeline, and the oil product after pressure relief is stored in the pressure relief storage tank; the three pressure release mechanisms are matched with each other, so that the pressure release of the oil product pipeline in a static state is realized, the pressure release of the oil product pipeline in an operating state is realized, the pressure release is convenient, the oil product leakage accident is avoided, and the oil product storage and transportation safety is ensured.

Description

Safety protection device for oil pipeline
Technical Field
The utility model relates to the technical field of oil pipelines, in particular to a safety protection device for an oil pipeline.
Background
The petroleum products, i.e. petroleum products, are various petroleum products such as gasoline, kerosene, diesel oil, lubricating oil, etc. produced by petroleum through refining and other processing technologies. During transportation, these petroleum products typically need to be transported via pipeline to a storage tank farm for storage and later transportation. The pipelines for transporting and collecting petroleum products are generally long, and when the pipelines are not used for a long time, overpressure easily occurs in the pipeline due to the influence of temperature or the unexpected closing of process valves, and the valves at the two ends of the overpressure pipeline are difficult to open. The pressure relief device of the existing oil product pipeline only consists of a safety valve, has a simple structure, is insensitive to induction and cannot relieve pressure in time, so that the pressure of the pipeline is continuously increased, the sealing of a pipeline flange or a pump flange is damaged, and oil products in the pipeline are leaked; the oil product leaks in large quantity, which causes environmental pollution; moreover, when the oil leakage reaches a certain amount, the oil gas concentration reaches the explosion limit, and the ignition and explosion can occur when the oil gas meets open fire or static electricity, so that secondary accidents are derived, personnel injury and damage to equipment and facilities are caused, and serious economic loss is brought to enterprises.
Disclosure of Invention
The utility model aims to provide a safety protection device for an oil product pipeline, and aims to solve the problems that a pipeline pressure relief device for storing and collecting oil products in the prior art is simple in structure and insensitive in induction, so that the pipeline pressure relief device cannot relieve pressure in time, and oil products leak.
In order to solve the technical problems, the technical scheme of the utility model is realized as follows:
the utility model relates to a safety protection device for an oil pipeline, which comprises an interlocking pressure relief mechanism, an automatic pressure relief mechanism and a safety pressure relief mechanism which are arranged in parallel with the oil pipeline; the interlocking pressure relief mechanism is used for relieving pressure of the oil pipeline in a static state and is connected with a pressure relief storage tank, and the interlocking pressure relief mechanism comprises an electric valve; the automatic pressure relief mechanism is used for relieving pressure of the oil pipeline in an operating state and is connected with the pressure relief storage tank, and the automatic pressure relief mechanism comprises a pressure regulating valve; the safety pressure release mechanism is used for releasing pressure of the oil product pipeline in a limit state, is also connected with the pressure release storage tank and comprises a safety valve; be equipped with the teletransmission manometer on the oil pipeline, still be equipped with the delivery pump on the oil pipeline, the delivery pump is connected with the switch board, be equipped with the alarm on the switch board, the teletransmission manometer with the motorised valve also all with the switch board is connected.
As a preferred embodiment, the control cabinet comprises a machine pump signal collector, a controller and a pipeline state identifier, wherein the machine pump signal collector is connected with the controller, the controller is connected with the pipeline state identifier, and the controller is also connected with the alarm.
As a preferred implementation scheme, the input end and the output end of the interlocking pressure release mechanism are respectively provided with a first overhaul isolating valve and a second overhaul isolating valve, the input end and the output end of the automatic pressure release mechanism are respectively provided with a third overhaul isolating valve and a fourth overhaul isolating valve, and the input end and the output end of the safety pressure release mechanism are respectively provided with a fifth overhaul isolating valve and a sixth overhaul isolating valve.
As a preferred embodiment, the first service shut-off valve, the second service shut-off valve, the third service shut-off valve, the fourth service shut-off valve, the fifth service shut-off valve, and the sixth service shut-off valve are mechanical valves.
As a preferred embodiment, the interlocking pressure release mechanism, the automatic pressure release mechanism and the safety pressure release mechanism are all connected with the pressure release storage tank through a check mechanism.
As a preferred embodiment, the input end and the output end of the check mechanism are respectively provided with a seventh overhaul block valve and an eighth overhaul block valve.
As a preferred embodiment, the seventh service shut-off valve and the eighth service shut-off valve are mechanical valves.
As a preferred embodiment, the non-return mechanism is a non-return valve.
As a preferred embodiment, the transfer pump is any one of a centrifugal pump, a thick oil pump, a screw pump, and a sliding vane pump.
As a preferred embodiment, the automatic pressure relief mechanism further comprises a first in-situ pressure gauge, the first in-situ pressure gauge and the pressure regulating valve being connected in series; the safety relief mechanism further includes a second in-situ pressure gauge, the second in-situ pressure gauge and the safety valve being connected in series.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the pressure relief is performed through three pressure relief mechanisms, namely the interlocking pressure relief mechanism, the automatic pressure relief mechanism and the safety pressure relief mechanism, which are arranged in parallel on the oil pipeline, wherein the interlocking pressure relief mechanism is used for relieving pressure of the oil pipeline in a static state, and the automatic pressure relief mechanism is used for relieving pressure of the oil pipeline in the operation process; the safety pressure relief mechanism is used for relieving pressure of the oil product pipeline in the limit state, and when the interlocking pressure relief mechanism fails, the safety pressure relief mechanism is used for relieving pressure when the pressure of the oil product pipeline in the static state approaches to the bearing limit; when the automatic pressure relief mechanism fails, the safety pressure relief mechanism is used for relieving pressure when the pressure of the oil pipeline reaches the bearing limit in the running state; each pressure release mechanism can independently realize the pressure release requirement of an oil pipeline, each pressure release mechanism plays a different pressure release role, and the oil after pressure release is stored in a pressure release storage tank; the pressure relief device not only realizes the pressure relief of the oil pipeline in a static state, but also realizes the pressure relief of the oil pipeline in an operating state, is convenient in pressure relief, sensitive in induction and timely in pressure relief, avoids oil leakage accidents, and ensures the safety of oil storage and transportation.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic plan view of an embodiment of a safety protection device for an oil pipeline according to the present utility model;
FIG. 2 is a schematic plan view of the interlocking pressure relief mechanism of FIG. 1;
FIG. 3 is a schematic plan view of the automatic pressure relief mechanism of FIG. 1;
FIG. 4 is a schematic plan view of the safety relief mechanism of FIG. 1;
FIG. 5 is a schematic view of the internal connection structure of the control cabinet of FIG. 1;
in the figure: 10-oil product pipelines; 20-a delivery pump; 30-a control cabinet; 40-interlocking pressure relief mechanism; 50-an automatic pressure release mechanism; 60-a safety pressure relief mechanism; 70-a non-return mechanism; 80-a pressure relief storage tank; 90-an oil storage tank;
21-an electric ball valve; 31-a pump signal collector; 32-a controller; 33-a pipeline state identifier; 34-an alarm; 41-remote pressure gauge; 42-an electric valve; 43-a first service block valve; 44-a second service block valve; 51-a first in situ pressure gauge; 52-a pressure regulating valve; 53-a third service block valve; 54-a fourth service block valve; 61-a second in situ pressure gauge; 62-a safety valve; 63-a fifth service shut-off valve; 64-a sixth service block valve; 71-seventh maintenance isolating valve; 72-eighth service shut-off valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the utility model provides a safety protection device for an oil pipeline, which not only realizes the pressure relief of the oil pipeline 10 in a static state, but also realizes the pressure relief of the oil pipeline in an operating state, is convenient to relieve, sensitive in sensing and timely in pressure relief, avoids oil leakage accidents, and ensures the storage and transportation safety of the oil. The safety protection device of the oil pipeline comprises an interlocking pressure relief mechanism 40, an automatic pressure relief mechanism 50 and a safety pressure relief mechanism 60 which are arranged in parallel with the oil pipeline 10; the interlocking pressure release mechanism 40 is used for releasing pressure of the oil pipeline 10 in a static state, the interlocking pressure release mechanism 40 is connected with a pressure release storage tank 80, and the interlocking pressure release mechanism 40 comprises an electric valve 42; the automatic pressure release mechanism 50 is used for releasing pressure of the oil pipeline 10 in the operation process, the automatic pressure release mechanism 50 is connected with the pressure release storage tank 80, and the automatic pressure release mechanism 50 comprises a pressure regulating valve 52; the safety pressure release mechanism 60 is used for releasing pressure of the oil pipeline 10 in the limit state, the safety pressure release mechanism 60 is also connected with the pressure release storage tank 80, and the safety pressure release mechanism 60 comprises a safety valve 62; the safety pressure release mechanism 60 is respectively matched with the interlocking pressure release mechanism 40 and the automatic pressure release mechanism 50, and when the interlocking pressure release mechanism 40 fails, the safety pressure release mechanism 60 is used for realizing pressure release when the pressure of the oil pipeline 10 is close to the bearing limit in a static state; when the automatic pressure relief mechanism 50 fails, the safety pressure relief mechanism 60 is used for realizing pressure relief when the pressure of the oil pipeline 10 reaches the bearing limit in the running state; the oil pipeline 10 is provided with a remote pressure gauge 41, the oil pipeline 10 is also provided with a delivery pump 20, the delivery pump 20 is connected with a control cabinet 30, the control cabinet 30 is provided with an alarm 34, and the remote pressure gauge 41 and an electric valve 42 are also connected with the control cabinet 30; the remote pressure gauge 41 collects pressure signals in the oil pipeline 10 and transmits the pressure signals to the control cabinet 30, and the control cabinet 30 processes the signals and controls the opening or closing of the electric valve 42; the safety protection device of the oil pipeline has sensitive induction and timely pressure relief, avoids oil leakage accidents, and ensures the safety of oil storage and transportation.
Referring to fig. 1 and 5, as a preferred embodiment, the control cabinet 30 includes a pump signal collector 31, a controller 32, and a pipeline state identifier 33, the pump signal collector 31 is connected to the controller 32, the controller 32 is connected to the pipeline state identifier 33, and the controller 32 is further connected to an alarm 34; the control cabinet 30 is internally provided with a machine pump signal collector 31 and a pipeline state identifier 33 which are connected with the controller 32, the machine pump signal collector 31 collects signals of the operation state of the conveying pump 20 and transmits the signals to the controller 32, the controller 32 feeds back the signals to the pipeline state identifier 33, the pipeline state identifier 33 judges whether the oil pipeline 10 is in a running state (conveying oil products) or in a static state (not conveying the oil products) according to the signals and transmits the signals back to the controller 32, the controller 32 combines pressure signals of the remote pressure gauge 41 to control the electric valve 42 to be opened or closed, and thus timely pressure relief of the oil pipeline 10 in the static state is realized; at the same time, the controller 32 controls the alarm 34 to emit an alarm signal to prompt the operator to perform corresponding processing at the first time.
Referring to fig. 1, as a preferred embodiment, the input end and the output end of the interlocking pressure release mechanism 40 are respectively provided with a first maintenance isolating valve 43 and a second maintenance isolating valve 44; when the interlocking pressure release mechanism 40 needs to be overhauled, the first overhauling block valve 43 is closed, so that the oil in the oil pipeline 10 is cut off from flowing into a channel of the interlocking pressure release mechanism 40, and oil leakage is prevented; the second maintenance isolating valve 44 is closed, and the oil in the oil pipeline 10 is cut off and flows into the channel of the interlocking pressure release mechanism 40 after passing through the automatic pressure release mechanism 50 and the safety pressure release mechanism 60, so that the leakage of the oil is further prevented. Similarly, the input end and the output end of the automatic pressure release mechanism 50 are respectively provided with a third overhaul isolating valve 53 and a fourth overhaul isolating valve 54, when the automatic pressure release mechanism 50 needs overhaul, the third overhaul isolating valve 53 is closed, and the oil in the oil pipeline 10 is cut off from flowing into the channel of the automatic pressure release mechanism 50, so that the oil is prevented from leaking; the fourth maintenance cut-off valve 54 is closed, and the oil in the oil pipeline 10 is cut off and flows into the channel of the automatic pressure relief mechanism 50 after passing through the interlocking pressure relief mechanism 40 and the safety pressure relief mechanism 60, so that the leakage of the oil is further prevented. Moreover, the input end and the output end of the safety pressure relief mechanism 60 are respectively provided with a fifth overhaul isolating valve 63 and a sixth overhaul isolating valve 64, when the safety pressure relief mechanism 60 needs overhaul, the fifth overhaul isolating valve 63 is closed, and the oil in the oil pipeline 10 is cut off from flowing into the channel of the safety pressure relief mechanism 60, so that the oil is prevented from leaking; the sixth maintenance cut-off valve 64 is closed, and the oil in the oil pipeline 10 is cut off from flowing into the channel of the safety pressure release mechanism 60 after passing through the interlocking pressure release mechanism 40 and the automatic pressure release mechanism 50, so that leakage of the oil is further prevented. Preferably, the first, second, third, fourth, fifth and sixth service shut-off valves 43, 44, 53, 54, 63 and 64 are mechanical valves, which are stable in structure, good in usability, convenient to operate, and easy to open and close in situ.
Referring to fig. 1, as a preferred embodiment, the interlock relief mechanism 40, the automatic relief mechanism 50, and the safety relief mechanism 60 are all connected to a relief tank 80 via a check mechanism 70. The interlocking pressure release mechanism 40 is used for carrying out safety protection on the oil product pipeline 10 in a static state, and the pipeline state identifier 33 in the control cabinet 30 judges whether the oil product pipeline 10 is in an operating state or in a static state according to signals of the pump signal collector 31 under the action of the controller 32; when the oil pipeline 10 is in an operating state, the electric valve 42 in the interlocking pressure relief mechanism 40 is in a closed state, and the interlocking pressure relief mechanism 40 does not participate in the safe pressure relief work of the oil pipeline 10; when the oil pipeline 10 is in a static state, the interlocking pressure release mechanism 40 can perform safe pressure release work on the oil pipeline 10, and the controller 32 in the control cabinet 30 controls the electric valve 42 in the interlocking pressure release mechanism 40 to be opened according to the signal of the remote pressure gauge 41 and simultaneously controls the alarm 43 to alarm, so that automatic pressure release of the oil pipeline 10 in the static state is realized, and the safety of the oil pipeline 10 is ensured. When the pipeline state identifier 33 in the control cabinet 30 judges that the oil pipeline 10 is in an operating state, if a signal transmitted to the controller 32 by the remote pressure gauge 41 is continuously raised and is higher than the set pressure of the pressure regulating valve 52 in the automatic pressure relief mechanism 50, the pressure regulating valve 52 is automatically opened, and meanwhile, the controller 32 controls the alarm 43 to give an alarm, so that automatic pressure relief of the oil pipeline 10 in the operating state is realized; if the signal transmitted from the remote pressure gauge 41 to the controller 32 drops below the set pressure of the pressure regulating valve 52 in the automatic pressure release mechanism 50, the pressure regulating valve 52 automatically closes. Regardless of whether the oil pipeline 10 is in an operating state or a static state, when the interlocking pressure relief mechanism 40 and the automatic pressure relief mechanism 50 fail and normal pressure relief cannot be realized, the controller 32 knows that the pressure in the oil pipeline 10 continuously rises and approaches the maximum pressure (namely, the set pressure of the safety valve 62) which can be borne by the oil pipeline 10 through the signal of the remote pressure gauge 41, the safety valve 62 in the safety pressure relief device 60 is automatically opened, and meanwhile, the controller 32 controls the alarm 43 to alarm and realize automatic safety pressure relief of the oil pipeline 10; the relief valve 62 automatically closes if the signal sent by the remote pressure gauge 41 to the controller 32 falls below the set pressure of the relief valve 62 in the relief device 60. The oil released by the interlocking pressure release mechanism 40, the automatic pressure release mechanism 50 and the safety pressure release device 60 all enter the pressure release storage tank 80, the pressure release storage tank 80 is in a normal pressure state, and the pressure safety release of the oil pipeline 10 can be realized. Preferably, the input end and the output end of the check mechanism 70 are respectively provided with a seventh overhaul block valve 71 and an eighth overhaul block valve 72; when the check mechanism 70 needs to be overhauled, the seventh overhauling block valve 71 is closed, and the oil in the oil pipeline 10 is cut off and flows into the channel of the check mechanism 70 after passing through the interlocking pressure relief mechanism 40, the automatic pressure relief mechanism 50 and the safety pressure relief mechanism 60, so that the oil is prevented from leaking; the eighth overhaul block valve 72 is closed, and the channel of the oil in the oil pipeline 10 from the pressure relief storage tank 80 to the check mechanism 70 is cut off, so that the leakage of the oil is further prevented, and the safety overhaul of the check mechanism 70 is realized. Further, the seventh overhaul block valve 71 and the eighth overhaul block valve 72 are mechanical valves, and the mechanical valves are stable in structure, good in service performance, convenient to operate and convenient to switch on site. Normally, the check mechanism 70 is a check valve; when the level of the oil in the pressure relief tank 80 reaches a certain height, the check mechanism 70 can prevent the oil in the pressure relief tank 80 from flowing back into the channels of the interlocking pressure relief mechanism 40, the automatic pressure relief mechanism 50 and the safety pressure relief mechanism 60.
Referring to fig. 1, as a preferred embodiment, the transfer pump 20 is any one of a centrifugal pump, a thick oil pump, a screw pump, and a vane pump. The delivery pump 20 is a pump for oil product operation, and in general, an input end and an output end of the delivery pump 20 are both provided with an electric ball valve 21, and the electric ball valve 21 is connected with a control cabinet 30. When the oil pipeline 10 is not used for a long time, the inside of the oil pipeline 10 is easy to generate an overpressure phenomenon due to the influence of temperature or the unexpected closing of a process valve, and the overpressure oil pipeline 10 can make the electric ball valves 21 at the two ends of the delivery pump 20 difficult to open. Each pressure release mechanism in the safety protection device of the oil pipeline is connected with an alarm 34 through a control cabinet 30, and when the three pressure release mechanisms release pressure, the alarm 34 starts an alarm to inform staff and enable the staff to perform corresponding treatment. The output end of the delivery pump 20 is connected with the oil storage tank 90, and the oil is delivered to the oil storage tank 90 for storage and transportation through the oil pipeline 10 in the delivery process. In addition, referring to fig. 1, fig. 2, fig. 3 and fig. 4, the automatic pressure release mechanism 50 further includes a first on-site pressure gauge 51, where the first on-site pressure gauge 51 and the pressure regulating valve 52 are connected in series, and the first on-site pressure gauge 51 can intuitively display the pressure on the pipeline where the automatic pressure release mechanism 50 is located, so that the automatic pressure release mechanism is convenient to use; the safety pressure release mechanism 60 further comprises a second on-site pressure gauge 61, the second on-site pressure gauge 61 and the safety valve 62 are connected in series, and the second on-site pressure gauge 61 can intuitively display the pressure on the pipeline where the safety pressure release mechanism 60 is located, so that the safety pressure release mechanism is convenient to use.
Therefore, compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the pressure relief is carried out through three pressure relief mechanisms, namely an interlocking pressure relief mechanism 40, an automatic pressure relief mechanism 50 and a safety pressure relief mechanism 60, which are arranged on the oil pipeline 10 in parallel, wherein the interlocking pressure relief mechanism 40 is used for relieving pressure of the oil pipeline 10 in a static state, and the automatic pressure relief mechanism 50 is used for relieving pressure of the oil pipeline 10 in the running process; the safety pressure release mechanism 60 is used for releasing pressure of the oil pipeline 10 in the limit state, and when the interlocking pressure release mechanism 40 fails, the safety pressure release mechanism 60 is used for releasing pressure when the pressure of the oil pipeline 10 in the static state approaches to the bearing limit; when the automatic pressure relief mechanism 50 fails, the safety pressure relief mechanism 60 is used for realizing pressure relief when the pressure of the oil pipeline 10 reaches the bearing limit in the running state; each pressure release mechanism can independently realize the pressure release requirement of the oil pipeline 10, each pressure release mechanism plays a different pressure release role, and the oil after pressure release is stored in the pressure release storage tank 80; the pressure relief of the oil pipeline 10 in a static state is realized, the pressure relief of the oil pipeline in an operating state is realized, the pressure relief is convenient, the sensing is sensitive, the pressure relief is timely, the oil leakage accident is avoided, and the oil storage and transportation safety is ensured.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. A safety protection device of oil pipeline, its characterized in that: including with oil pipeline parallel arrangement:
the interlocking pressure relief mechanism is used for relieving pressure of the oil pipeline in a static state and is connected with a pressure relief storage tank, and the interlocking pressure relief mechanism comprises an electric valve;
the automatic pressure relief mechanism is used for relieving pressure of the oil product pipeline in an operating state and is connected with the pressure relief storage tank, and the automatic pressure relief mechanism comprises a pressure regulating valve;
the safety pressure release mechanism is used for releasing pressure of the oil product pipeline in the limit state, is also connected with the pressure release storage tank and comprises a safety valve;
be equipped with the teletransmission manometer on the oil pipeline, still be equipped with the delivery pump on the oil pipeline, the delivery pump is connected with the switch board, be equipped with the alarm on the switch board, the teletransmission manometer with the motorised valve also all with the switch board is connected.
2. The safety protection device for oil pipelines according to claim 1, wherein:
the control cabinet comprises a machine pump signal collector, a controller and a pipeline state identifier, wherein the machine pump signal collector is connected with the controller, the controller is connected with the pipeline state identifier, and the controller is also connected with the alarm.
3. The safety protection device for oil pipelines according to claim 1, wherein:
the input end and the output end of the interlocking pressure release mechanism are respectively provided with a first overhaul block valve and a second overhaul block valve, the input end and the output end of the automatic pressure release mechanism are respectively provided with a third overhaul block valve and a fourth overhaul block valve, and the input end and the output end of the safety pressure release mechanism are respectively provided with a fifth overhaul block valve and a sixth overhaul block valve.
4. A safety protection device for oil pipelines according to claim 3, characterized in that:
the first overhaul block valve, the second overhaul block valve, the third overhaul block valve, the fourth overhaul block valve, the fifth overhaul block valve and the sixth overhaul block valve are all mechanical valves.
5. The safety protection device for oil pipelines according to claim 1, wherein:
the interlocking pressure release mechanism, the automatic pressure release mechanism and the safety pressure release mechanism are connected with the pressure release storage tank through the check mechanism.
6. The oil pipeline safety protection device according to claim 5, wherein:
and a seventh overhaul block valve and an eighth overhaul block valve are respectively arranged at the input end and the output end of the check mechanism.
7. The oil pipeline safety protection device according to claim 6, wherein:
the seventh overhaul block valve and the eighth overhaul block valve are mechanical valves.
8. The oil pipeline safety protection device according to claim 5, wherein:
the check mechanism is a check valve.
9. The oil pipeline safety protection device according to any one of claims 1-8, wherein:
the conveying pump is any one of a centrifugal pump, a thick oil pump, a screw pump and a sliding vane pump.
10. The safety protection device for oil pipelines according to claim 1, wherein:
the automatic pressure relief mechanism further comprises a first in-situ pressure gauge, and the first in-situ pressure gauge and the pressure regulating valve are connected in series;
the safety relief mechanism further includes a second in-situ pressure gauge, the second in-situ pressure gauge and the safety valve being connected in series.
CN202321602851.4U 2023-06-21 2023-06-21 Safety protection device for oil pipeline Active CN220119162U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321602851.4U CN220119162U (en) 2023-06-21 2023-06-21 Safety protection device for oil pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321602851.4U CN220119162U (en) 2023-06-21 2023-06-21 Safety protection device for oil pipeline

Publications (1)

Publication Number Publication Date
CN220119162U true CN220119162U (en) 2023-12-01

Family

ID=88895963

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321602851.4U Active CN220119162U (en) 2023-06-21 2023-06-21 Safety protection device for oil pipeline

Country Status (1)

Country Link
CN (1) CN220119162U (en)

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