CN-118387477-B - Intelligent sediment discharging system for aviation oil tank

CN118387477BCN 118387477 BCN118387477 BCN 118387477BCN-118387477-B

Abstract

The invention discloses an intelligent sinking system of an aviation oil tank, which comprises a sinking pipe group connected with the bottom of an oil storage tank and an oil discharge tank connected with the sinking pipe group in a butt joint mode, wherein the sinking pipe group comprises a recovery oil path and a detection oil path, a circulating pump, a first electromagnetic valve and a second electromagnetic valve for controlling the on-off of the recovery oil path are arranged on the recovery oil path, the recovery oil path sequentially comprises the first electromagnetic valve, the circulating pump and the second electromagnetic valve from the oil storage tank to the oil discharge tank, the access end of the detection oil path is arranged between the first electromagnetic valve and the circulating pump, the access end of the detection oil path is arranged between the circulating pump and the second electromagnetic valve, a third electromagnetic valve, a detection module and a gear pump are arranged on the detection oil path, and the intelligent sinking system further comprises a control box, and the control box is used for controlling the on-off of the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the circulating pump and the gear pump according to the detection information of the detection module. The invention optimizes the design of the sinking discharging pipeline and can automatically discharge the sinking according to the actual situation.

Inventors

HAN JUN
PENG CHUAN
SHEN JIALIN
LI GANG
WEN HAOHAI
CHEN ZHILIANG
LIU QING

Assignees

中国航空油料有限责任公司成都分公司

Dates

Publication Date: 20260508
Application Date: 20240604

Claims (8)

1. An intelligent sedimentation system for an oil tank for aviation is used for carrying out sedimentation management on the bottom of an oil storage tank (6) for storing aviation oil and is characterized by comprising a sedimentation tube group connected with the bottom of the oil storage tank (6) and an oil discharge tank (7) for butt joint of the sedimentation tube group; The oil-saving and sinking pipe set comprises a recovery oil way (8) and a detection oil way (9), wherein a circulating pump and a first electromagnetic valve (11) and a second electromagnetic valve (2) for controlling the on-off of the recovery oil way (8) are arranged on the recovery oil way (8), and the recovery oil way (8) comprises the first electromagnetic valve (11), the circulating pump (12) and the second electromagnetic valve (2) in sequence from an oil storage tank (6) to an oil drain tank (7); The inlet end of the detection oil circuit (9) is arranged between the first electromagnetic valve (11) and the circulating pump (12), the outlet end of the detection oil circuit (9) is arranged between the circulating pump (12) and the second electromagnetic valve (2), and the detection oil circuit (9) is provided with a third electromagnetic valve (14), a detection module and a gear pump (13); the control box (10) is used for controlling the opening and closing of the first electromagnetic valve, the second electromagnetic valve (2), the third electromagnetic valve (14), the circulating pump (12) and the gear pump (13) according to the detection information of the detection module; the circulating pump is a diaphragm pump (5), and the detection module comprises a moisture detection sensor and a particulate matter detection sensor; A sampling detection program is preset in the control box (10), a detection period is set in the sampling detection program, a sampling flow is carried out in a state that the recovery oil way (8) is closed after the detection period is reached, the oil mixture of an amount A is extracted from the bottom of the oil storage tank (6) at a flow rate a and enters the detection oil way (9), and the judgment is carried out according to the water content data of the oil mixture flowing through the detection module; if the water content is qualified, discharging the oil in the detection oil way (9) into the oil discharge tank (7) to complete a single sampling process, if the water content is unqualified, starting the recovery oil way (8) to perform a water discharge process while starting the detection oil way (9), and simultaneously conveying a total amount B of oil mixture into the oil discharge tank (7) during the water discharge process, wherein the detection module continuously detects that the flow of the detection oil way (9) is less than 5% of the flow of the recovery oil way (8); If the water content in the index of the detection module is qualified before the condition of delivering the B amount is not reached, the control box (10) controls the recovery oil way (8) to finish the water discharging process, the continuous detection oil way (9) delivers the A amount of oil to sample the process and records the average water content in the whole A amount delivery process, the single detection is finished and the next detection period is waited when the average water content is qualified, and the control box (10) controls the recovery oil way (8) to be opened to transmit the B amount of oil again to continuously detect until the water content is qualified.
2. The intelligent drainage and settlement system for the aviation oil tank of claim 1, wherein the moisture detection sensor and the particulate matter detection sensor are arranged on the same frame body, the frame body is provided with at least two parallel branches, and the moisture detection sensor and the particulate matter detection sensor are respectively arranged on the two branches.
3. The intelligent drainage and sedimentation system for the aviation oil tank, as set forth in claim 1, is characterized in that the detection module is an integrated water pollution detection assembly (3) arranged on the detection oil path (9).
4. The intelligent drainage and sedimentation system for the aviation oil tank is characterized in that the oil drain tank (7) is a storage container arranged in a quality inspection system on the oil storage tank (6), an access end of the recovery oil circuit (8) is connected to a circuit of the oil storage tank (6) from the quality inspection system, and an access end of the recovery oil circuit (8) is arranged on a pipeline of the oil drain tank (7) of the quality inspection system.
5. The intelligent drainage and sedimentation system for the aviation oil tank is characterized in that a Y-shaped filter (4) is arranged on the recovery oil path (8), and the Y-shaped filter (4) is arranged between a circulating pump (12) and a connecting port for connecting the detection oil path (9) with the recovery oil path (8).
6. The intelligent drainage and sedimentation system for the aviation oil tank is characterized in that a manual ball valve (1) is arranged on the recovery oil path (8), and the manual ball valve (1) is arranged between a third electromagnetic valve (14) and an oil drain tank (7); the recovery oil way (8) is provided with a reversing valve, and the reversing valve is connected with a circulating pump (12).
7. The intelligent drainage and sedimentation system for the aviation oil tank is characterized in that a floating mechanism which floats along with the liquid level is arranged at the liquid level in the oil drain tank (7), a port of the floating mechanism is positioned below the liquid level, and the floating mechanism is communicated with a recovery oil path (8) through a pipeline; The detection oil way (9) is provided with a one-way valve, and the one-way valve is arranged between the detection module and the connection part of the detection oil way (9) and the recovery oil way (8).
8. The intelligent drainage and sedimentation system for the aviation oil tank is characterized in that a circulating pump (12) with a reversing valve is arranged on the recovery oil path (8), a buffer tank is arranged at the communication part of the recovery oil path (8) and the detection oil path (9), and the detection oil path (9) forms a unidirectional flow direction from the buffer tank to the detection module and then to the recovery oil path (8) through the arranged one-way valve; The buffer box is provided with a first discharge amount and a second discharge amount, wherein the first discharge amount is A, the second discharge amount is B, and the first discharge amount and the second discharge amount are controlled by a fourth electromagnetic valve arranged at the water outlet of the buffer box; when the sampling flow is carried out, pumping the oil liquid at the bottom of the oil storage tank (6) into a buffer tank by a forward circulating pump, and then communicating the buffer tank with a detection oil way (9) for detection; When the drainage flow is carried out, the oil liquid at the bottom of the oil storage tank (6) is pumped out by the forward circulating pump (12) to the buffer tank, and the oil liquid mixture of the quantity A is discharged firstly to enter the detection oil path (9) for detection, if the average water content is unqualified, the residual oil liquid and the oil liquid in the detection oil path (9) are simultaneously discharged into the oil discharge tank (7), and if the average water content is qualified, the oil liquid in the detection oil path (9) is discharged into the oil discharge tank (7), and the residual oil liquid mixture in the buffer tank is discharged back into the oil storage tank (6).

Description

Intelligent sediment discharging system for aviation oil tank Technical Field The invention belongs to the technical field of oil tank discharging and sinking, and particularly relates to an intelligent discharging and sinking system of an aviation oil tank. Background In the existing aviation oil depot station, trace dissolved water contained in oil and water in air slowly permeate into the oil through a breather valve on a tank body in the storage process of the aviation oil, so that the trace water content of the oil gradually becomes large, the water content of the oil slowly precipitates to the bottom of a pipe body under the action of gravity, the water content of the oil at the bottom often exceeds the standard (rated value of 50 PPM), and meanwhile, tiny particles contained in the oil also precipitate to the bottom of the tank, so that the water content of the aviation oil added to an airplane is qualified, the granularity content of oil pollution is qualified, and all depot stations can not accurately know the pollution degree and the water content of the oil through manual observation and sedimentation work every day. The existing external equipment, oil tanks and other devices can have the problems that the water content and pollution degree of oil are not satisfied with the specified requirements, and the discharge of unqualified oil can not be realized. Disclosure of Invention In order to enable equipment to realize rapid automatic sedimentation, the invention provides a set of automatic sedimentation system which is connected into an oil storage tank and a recovery tank pipeline as required, the oil water content and the pollution degree level in the oil storage tank are automatically detected at regular time, whether the oil water content and the pollution degree meet the requirements is judged through a specified (or existing) program, and whether the oil in the oil storage tank is extracted is judged according to the result. The technical scheme adopted by the invention is as follows: In a first aspect, the invention provides an intelligent sinking discharging system of an aviation oil tank, which is used for conducting sinking discharging management on the bottom of an oil storage tank for storing aviation oil, and comprises a sinking discharging pipe group connected with the bottom of the oil storage tank and an oil discharging tank for butt joint of the sinking discharging pipe group; the sinking-discharging pipe group comprises a recovery oil way and a detection oil way, a circulating pump, a first electromagnetic valve and a second electromagnetic valve which control the on-off of the recovery oil way are arranged on the recovery oil way, the recovery oil way is sequentially provided with a first electromagnetic valve, a circulating pump and a second electromagnetic valve from the oil storage tank to the oil drain tank; The access end of the detection oil circuit is arranged between the first electromagnetic valve and the circulating pump, the access end of the detection oil circuit is arranged between the circulating pump and the second electromagnetic valve, and the detection oil circuit is provided with a third electromagnetic valve, a detection module and a gear pump; The control box is used for controlling the opening and closing of the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the circulating pump and the gear pump according to the detection information of the detection module. With reference to the first aspect, the present invention provides a first implementation manner of the first aspect, the circulation pump is a diaphragm pump, and the detection module includes a moisture detection sensor and a particulate matter detection sensor. With reference to the first implementation manner of the first aspect, the present invention provides a second implementation manner of the first aspect, where the moisture detection sensor and the particulate matter detection sensor are disposed on a same frame body, the frame body has at least two parallel branches, and the moisture detection sensor and the particulate matter detection sensor are disposed on the two branches respectively. With reference to the first aspect, the present invention provides a third implementation manner of the first aspect, where the detection module is an integrated moisture pollution detection assembly disposed on a detection oil path. With reference to the first aspect, the present invention provides a fourth implementation manner of the first aspect, the oil drain tank is a storage container in a quality inspection system disposed on the oil storage tank, an access end of the recovery oil path is connected to a line of the oil storage tank from the quality inspection system, and an access end of the recovery oil path is disposed on an oil drain tank line of the quality inspection system. With reference to the several embodiments of the first aspect, the pre