Automatic sampling and detecting device for oil pipeline
By designing an automatic sampling and testing device consisting of a sampling pump group, a circulation pump group, and a feeding assembly, the high cost and time-consuming nature of manual sampling were solved, achieving efficient and safe oil sampling and testing, and reducing the difficulty of equipment cleaning and the risk of fire and explosion.
Patent Information
- Application Number
- CN202422872985.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-11-25
AI Technical Summary
When existing automatic sampling and detection devices for oil pipelines collect samples, they mainly rely on manual sampling, which results in high sampling costs, long time consumption, and difficulty in cleaning the equipment.
Design an automatic sampling and testing device including a sampling pump group, a circulation pump group, and a feeding assembly. The circulation pump group extracts oil from the oil pipe and works in conjunction with the sampling pump group to extract oil by diverting and dividing the pressure. The circulating oil is returned to the original oil pipeline. The sampling valve is used for small-scale oil detection. The residual oil in the pipe is discharged through the venting valve.
It improves the short cycle and convenience of oil sampling, reduces sampling costs, prevents oil deterioration, ensures the safety of equipment under high temperature or fire conditions, reduces the risk of fire and explosion, and meets explosion-proof testing standards.
Smart Images
Figure CN223692087U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to oil pipeline sampling technical field, concretely relates to an oil pipeline automatic sampling detection device. BACKGROUND
[0002] Because fuel quality directly influences the performance and safety of the aircraft, it is important to carry out regular, accurate sampling and quality inspection.
[0003] However, the traditional sampling method mainly relies on manual sampling on the oil transportation pipeline, which has many problems. First, the sampling cost is high because a lot of manpower, material resources and time need to be invested. Second, the sampling time is long, which may affect the efficiency and progress of oil transportation. In addition, manual sampling also has the problem of difficult cleaning of equipment because impurities or residues may be introduced during the sampling process, which interferes with subsequent detection and analysis.
[0004] Therefore, in view of the above-mentioned existing oil pipeline automatic sampling detection device, because it usually adopts manual sampling when sampling and collecting on the oil transportation pipeline, it causes the problems of high sampling cost, long time consumption and difficult cleaning of equipment. Therefore, an oil pipeline automatic sampling detection device can be designed. SUMMARY
[0005] In order to overcome the problem of the existing oil pipeline automatic sampling detection device, because it usually adopts manual sampling when sampling and collecting on the oil transportation pipeline, it causes the problems of high sampling cost, long time consumption and difficult cleaning of equipment.
[0006] The technical scheme of the utility model is as follows: an oil pipeline automatic sampling detection device, comprising a sampling pump set assembly, a circulating pump set assembly and a feeding assembly; the circulating pump set assembly is arranged on one side of the sampling pump set assembly; the feeding assembly is arranged in front of the circulating pump set assembly; the sampling pump set assembly comprises a second valve, a second pump, a second control valve, a flow monitoring ball valve, a sampling valve, a sampling pipe emptying valve and a pump-out control valve; the circulating pump set assembly comprises a first valve, a first pump, a first control valve, an oil discharge electromagnetic valve and a hydraulic sensor; and the feeding assembly comprises an oil inlet buffer tank and an oil inlet electromagnetic valve.
[0007] Preferably, the oil in the oil pipe is extracted by the circulating pump set assembly, and then the extracted oil is shunted and pressure-divided by the sampling pump set assembly. The circulating oil is input back to the crude oil pipeline from the oil discharge electromagnetic valve, the sampling valve is used to extract a small amount of oil for detection, and the residual oil in the pipe is emptied from the sampling pipe emptying valve. Thus, the problems of high pressure in the oil pipeline, difficult sampling, difficult emptying of residual oil, and large waste of sampling amount are solved. The problem of the existing oil pipeline automatic sampling detection device, because it usually adopts manual sampling when sampling and collecting on the oil transportation pipeline, causing the problems of high sampling cost, long time consumption and difficult cleaning of equipment, is solved.
[0008] Preferably, the two ends of the oil inlet buffer tank are respectively connected with an oil inlet electromagnetic valve and a first valve; the output end of the first valve is provided with a first pump; the upper output end of the first pump is provided with a first control valve; and a branch end between the oil inlet buffer tank and the first valve is provided with a second valve.
[0009] Preferably, the output end of the second valve is provided with a second pump; the upper output end of the second pump is provided with a second control valve; an oil discharge electromagnetic valve is arranged between the first pump and the second pump, and the oil discharge electromagnetic valve is connected with the first control valve and the second control valve through a pipeline.
[0010] Preferably, a hydraulic sensor is arranged on the pipeline between the oil discharge electromagnetic valve, the first control valve and the second control valve.
[0011] Preferably, a pump-out control valve is arranged on one side of the second pump, and the output end of the second control valve is connected with the pump-out control valve through a pipeline.
[0012] Preferably, a flow monitoring ball valve is arranged in front of the pump-out control valve, and the flow monitoring ball valve is connected with the pump-out control valve through a pipeline; and a sample pipe emptying valve is arranged in front of the flow monitoring ball valve, and the sample pipe emptying valve is connected with the output end of the flow monitoring ball valve through a pipeline.
[0013] Preferably, a pipeline on one side of the output end of the first control valve and the second control valve is provided with a pipeline of a blowdown valve.
[0014] The present application has the following beneficial effects:
[0015] 1. The existing oil pipeline automatic sampling detection device usually adopts manual sampling when sampling and collecting on the oil transportation pipeline, which causes high sampling cost, long time consumption and difficult cleaning of equipment. The oil in the oil pipe is extracted by the circulating pump assembly, and then the extracted oil is shunted and extracted by the sampling pump assembly. The circulating oil is input back to the crude oil pipeline through the oil discharge electromagnetic valve, and a small amount of oil is extracted by the sampling valve for detection. The residual oil in the pipe is emptied through the sample pipe emptying valve, thereby solving the problems of high pressure in the sampling pipe, difficult sampling, difficult emptying of residual oil, large sampling amount and waste.
[0016] 2, through the setting of the sampling pump group assembly, the circulating pump group assembly, the feed assembly, the oil solenoid valve of the device, the oil discharge solenoid valve is connected to the oil conveying pipeline, and the sampling pipe emptying valve is connected to the waste oil collecting tank, the first control valve is opened, the oil enters the oil inlet buffer tank from the oil conveying pipeline, at this time, the first valve, the first control valve and the first pump are opened, the oil discharge solenoid valve is opened, and the second valve is closed; The oil in the oil conveying pipeline returns to the oil conveying pipeline through the loop, then the second valve, the second pump, the second control valve and the pump discharge control valve are opened, at this time, the oil in the oil inlet buffer tank is divided into two parts and enters the circulating pump group assembly pipeline, the pressure in the circulating pump group assembly decreases, at the same time, the oil flowing in the circulating pump group assembly is monitored in real time by the flow monitoring ball valve and the hydraulic sensor, and then the oil is discharged from the sampling valve for sampling collection, so that the short periodicity and convenience of oil sampling are greatly improved, oil deterioration is prevented, after sampling, the oil inlet solenoid valve and the sampling valve are closed, the sampling pipe emptying valve is opened, so that the excess oil in the pipeline is quickly discharged from the oil discharge solenoid valve and the sampling pipe emptying valve, which is convenient for the next oil sampling, and reduces the influence of residual oil in the pipeline on the detection result;
[0017] 3, the equipment is made of fireproof and explosion-proof materials, which includes the main structure and all parts directly contacting with fuel oil, which can effectively prevent the equipment from being damaged in high temperature or fire, thereby avoiding fuel leakage and further spread of fire; secondly, the equipment is provided with multiple safety protection measures, and is equipped with external devices such as fuel leakage detection and alarm, so that when fuel leakage is detected, an alarm signal can be sent immediately to take timely measures, at the same time, the equipment also has the functions of preventing fuel backflow and impurity mixing, so as to further reduce the risk of fire and explosion; the fuel transportation pipeline sampling and detection equipment also meets the relevant explosion-proof detection standards, which includes appearance inspection, electrical performance detection, mechanical performance detection and environmental adaptability detection and other aspects, through these detections, it is ensured that the equipment will not cause sparks or explosion under normal working conditions, and can still maintain its explosion-proof performance when subjected to external force. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 The whole three-dimensional structure schematic diagram of the oil pipeline automatic sampling and detection device is shown.
[0019] Figure 2 The whole three-dimensional structure schematic diagram of the oil pipeline automatic sampling and detection device is shown.
[0020] Figure 3 The whole three-dimensional structure schematic diagram of the oil pipeline automatic sampling and detection device is shown.
[0021] Figure 4The utility model discloses a kind of automatic sampling detection devices of oil pipeline, including sampling pump group assembly, still including circulating pump group assembly, feed assembly;Sampling pump group assembly side is provided with circulating pump group assembly;The front of circulating pump group assembly 2 is provided with feed assembly 3;Sampling pump group assembly 1 includes second valve 101, second pump machine 102, second control valve 103, flow monitoring ball valve 104, sampling valve 105, sampling tube emptying valve 106, pump out control valve 107;Circulating pump group assembly 2 includes first valve 201, first pump machine 202, first control valve 203, oil discharge solenoid valve 204, hydraulic sensor 205;Feed assembly 3 includes oil inlet buffer tank 301, oil inlet solenoid valve 302.
[0022] The mark in drawing is: 1, sampling pump group assembly;2, circulating pump group assembly;3, feed assembly;101, second valve;102, second pump machine;103, second control valve;104, flow monitoring ball valve;105, sampling valve;106, sampling tube emptying valve;107, pump out control valve;201, first valve;202, first pump machine;203, first control valve;204, oil discharge solenoid valve;2053, hydraulic sensor;301, oil inlet buffer tank;302, oil inlet solenoid valve. DETAILED DESCRIPTION
[0023] The utility model is further explained in connection with drawing and embodiment.
[0024] Please refer to Figures 1-4 The utility model provides embodiment: a kind of automatic sampling detection devices of oil pipeline, including sampling pump group assembly 1, still including circulating pump group assembly 2, feed assembly 3;Sampling pump group assembly 1 side is provided with circulating pump group assembly 2;The front of circulating pump group assembly 2 is provided with feed assembly 3;Sampling pump group assembly 1 includes second valve 101, second pump machine 102, second control valve 103, flow monitoring ball valve 104, sampling valve 105, sampling tube emptying valve 106, pump out control valve 107;Circulating pump group assembly 2 includes first valve 201, first pump machine 202, first control valve 203, oil discharge solenoid valve 204, hydraulic sensor 205;Feed assembly 3 includes oil inlet buffer tank 301, oil inlet solenoid valve 302.
[0025] Please refer to Figures 1-4In the embodiment, the two ends of the oil inlet buffer tank 301 are respectively connected with an oil inlet electromagnetic valve 302 and a first valve 201; the output end of the first valve 201 is provided with a first pump 202; the upper output end of the first pump 202 is provided with a first control valve 203; the branch end between the oil inlet buffer tank 301 and the first valve 201 is provided with a second valve 101; the output end of the second valve 101 is provided with a second pump 102; the upper output end of the second pump 102 is provided with a second control valve 103; an oil discharge electromagnetic valve 204 is arranged between the first pump 202 and the second pump 102, and the oil discharge electromagnetic valve 204 is connected with the first control valve 203 and the second control valve 103 through pipelines; a hydraulic sensor 205 is arranged on the pipeline between the oil discharge electromagnetic valve 204, the first control valve 203 and the second control valve 103; a pump-out control valve 107 is arranged on one side of the second pump 102, and the output end of the second control valve 103 is connected with the pump-out control valve 107 through a pipeline; a flow monitoring ball valve 104 is arranged in front of the pump-out control valve 107, and the flow monitoring ball valve 104 is connected with the pump-out control valve 107 through a pipeline; a sampling pipe emptying valve 106 is arranged in front of the flow monitoring ball valve 104, and the sampling pipe emptying valve 106 is connected with the output end of the flow monitoring ball valve 104 through a pipeline; a blowdown valve pipeline is arranged on one side of the output end of the first control valve 203 and the second control valve 103.
[0026] In operation, the oil electromagnetic valve 302 and the oil discharge electromagnetic valve 204 of the device are connected to the oil pipeline, the sampling pipe emptying valve 106 is connected to the waste oil collection tank, the first control valve 203 is opened, the oil in the oil pipeline enters the oil inlet buffer tank 301 and is filled, at this time, the first valve 201, the first control valve 203, the first pump 202 and the oil discharge electromagnetic valve 204 are opened, and the second valve 101 is closed; the oil in the oil pipeline returns to the oil pipeline through the circuit, then the second valve 101, the second pump 102, the second control valve 103 and the pump-out control valve 107 are opened, at this time, the oil in the oil inlet buffer tank 301 is divided into two parts and flows into the pipeline of the circulating pump group assembly 2, the pressure in the circulating pump group assembly 2 decreases, at the same time, the oil flowing through the circulating pump group assembly 2 is monitored in real time by the flow monitoring ball valve 104 and the hydraulic sensor 205 in terms of flow rate and hydraulic pressure, and then is discharged from the sampling valve 105 for sampling collection, thereby greatly improving the short periodicity and convenience of oil sampling, preventing oil deterioration, and completing sampling, after which the oil inlet electromagnetic valve 302 and the sampling valve 105 are closed, and the sampling pipe emptying valve 106 is opened, so that the excess oil in the pipeline is quickly discharged from the oil discharge electromagnetic valve 204 and the sampling pipe emptying valve 106, facilitating the sampling of oil in the next cycle, and reducing the influence of residual oil in the pipeline on the detection result.
[0027] The equipment is made of fireproof and explosion-proof materials, which includes the main structure and all parts directly contacting with fuel oil, which can effectively prevent the equipment from being damaged in high temperature or fire condition, thereby avoiding fuel oil leakage and further spread of fire; secondly, the equipment is provided with multiple safety protection measures, equipped with fuel oil leakage detection and alarm external device, when detecting fuel oil leakage, it can immediately send an alarm signal to take timely response measures, at the same time, the equipment also has the function of preventing fuel backflow, impurity mixing and other problems, to further reduce the risk of fire and explosion; the fuel oil transportation pipeline sampling detection equipment also meets the relevant explosion-proof detection standards, which includes appearance inspection, electrical performance detection, mechanical performance detection and environmental adaptability detection and other aspects, through these detections, it is ensured that the equipment will not cause sparks or explosion under normal working conditions, and it can still maintain its explosion-proof performance when subjected to external force.
[0028] Through the above steps, the oil in the oil pipe is extracted by the circulating pump set assembly 2, and then the extracted oil is divided and extracted by the sampling pump set assembly 1, the circulating oil is input back to the original oil pipeline from the oil discharge electromagnetic valve 204, and the sampling valve 105 is used to extract a small amount of oil for detection, and the residual oil in the pipe is emptied from the sampling pipe emptying valve 106, thereby solving the problems of large pipe pressure, sampling difficulty, residual oil emptying difficulty, large sampling amount and waste, avoiding the existing oil pipeline automatic sampling detection device, because it usually adopts manual sampling when sampling and collecting on the oil transportation pipeline, which causes high sampling cost, long time-consuming and difficult cleaning of equipment.
[0029] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of the person skilled in the art without departing from the purpose of the utility model.
Claims
1. An automatic sampling and detecting device for oil pipeline, comprising a sampling pump group assembly (1), characterized in that: The circulating pump group assembly (2) and the feeding assembly (3) are further included; the circulating pump group assembly (2) is arranged on one side of the sampling pump group assembly (1); the feeding assembly (3) is arranged in front of the circulating pump group assembly (2); the sampling pump group assembly (1) includes a second valve (101), a second pump (102), a second control valve (103), a flow monitoring ball valve (104), a sampling valve (105), a sampling pipe emptying valve (106) and a pump-out control valve (107); the circulating pump group assembly (2) includes a first valve (201), a first pump (202), a first control valve (203), an oil discharge electromagnetic valve (204) and a hydraulic sensor (205); the feeding assembly (3) includes an oil inlet buffer tank (301) and an oil inlet electromagnetic valve (302).
2. The automatic sampling and detecting device for oil pipeline according to claim 1, characterized in that: The oil inlet electromagnetic valve (302) and the first valve (201) are respectively arranged at two ends of the oil inlet buffer tank (301); the first pump (202) is arranged at an output end of the first valve (201); the first control valve (203) is arranged at an upper output end of the first pump (202); the second valve (101) is arranged at a branch end between the oil inlet buffer tank (301) and the first valve (201).
3. The automatic sampling and detecting device for oil pipeline according to claim 2, characterized in that: The second pump (102) is arranged at an output end of the second valve (101); the second control valve (103) is arranged at an upper output end of the second pump (102); the oil discharge electromagnetic valve (204) is arranged between the first pump (202) and the second pump (102), and is connected to the first control valve (203) and the second control valve (103) through pipelines.
4. The automatic sampling and testing device for oil pipeline according to claim 3, characterized in that: The hydraulic sensor (205) is arranged on a pipeline between the oil discharge electromagnetic valve (204), the first control valve (203) and the second control valve (103).
5. The automatic sampling and testing device for oil pipeline according to claim 3, characterized in that: The pump-out control valve (107) is arranged on one side of the second pump (102), and an output end of the second control valve (103) is connected to the pump-out control valve (107) through a pipeline.
6. The automatic sampling and testing device for oil pipeline according to claim 5, characterized in that: The flow monitoring ball valve (104) is arranged in front of the pump-out control valve (107), and is connected to the pump-out control valve (107) through a pipeline; the sampling pipe emptying valve (106) is arranged in front of the flow monitoring ball valve (104), and is connected to an output end of the flow monitoring ball valve (104) through a pipeline.
7. The automatic sampling and testing device for oil pipeline according to claim 2, characterized in that: A pipeline of the output end of the first control valve (203) and the second control valve (103) is provided with a pipeline of a blowdown valve.