Low-loss bio-jet fuel storage tank
By designing a filtration mechanism and spray pipe system in the oil storage tank, the problem of impurities entering the storage tank was solved, achieving efficient filtration and low-loss storage of bio-jet fuel, ensuring storage safety and equipment stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 江苏洋井化工仓储有限公司
- Filing Date
- 2025-06-19
- Publication Date
- 2026-06-12
AI Technical Summary
Existing oil storage tanks lack effective filtration structures, allowing impurities to enter the tanks, affecting their effective volume and the normal operation of subsequent equipment. Additionally, impurities mixed into the oil can lead to poor combustion.
An oil storage tank including a filtration mechanism was designed. The filtration mechanism consists of a housing, a filter screen, a screw, a locking block, and a knob. The screw and locking block work together to reliably fix the filter screen and facilitate easy replacement. Combined with a spray pipe and a nitrogen system, oxidation and leakage are prevented, ensuring filtration efficiency and a stable internal environment.
It effectively intercepts impurities, improves the purity of the liquid in the oil storage tank, reduces losses, ensures stable operation and safe storage of the equipment, and reduces fuel waste and environmental pollution risks.
Smart Images

Figure CN224349528U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of oil tank technology, and in particular to a low-loss biofuel storage tank. Background Technology
[0002] With the increasing environmental protection requirements of the aviation industry, bio-jet fuel, as a relatively environmentally friendly aviation fuel, is being used more and more widely. Low-loss storage tanks can avoid losses caused by factors such as fuel vapor evaporation, oxidation, and temperature changes when storing bio-jet fuel. However, during the storage process, impurities often enter the storage tank along with the liquid. These impurities come from various sources, such as rust and dust particles from pipelines during fuel transportation, or small solid impurities that are not completely separated from the fuel itself. Once these impurities enter the storage tank, they accumulate at the bottom, affecting the effective volume of the tank and potentially leading to accelerated corrosion over time. Furthermore, if impurities are mixed into the fuel, they can adversely affect the normal operation of related equipment during production and sales, such as clogging small pipelines in production equipment and affecting the combustion efficiency of fuel engines. Many existing storage tanks often lack effective filtration structures, or the existing filtration methods have problems such as insufficient filtration precision and difficulty in cleaning and maintenance. Utility Model Content
[0003] The purpose of this invention is to solve the problems mentioned in the background art and to propose a low-loss bio-jet fuel storage tank.
[0004] To achieve the above objectives, the present invention adopts the following technical solution: a low-loss biofuel storage tank, comprising a storage tank, an inlet pipe fixedly connected to the surface of the storage tank, a valve and a filter mechanism provided on the surface of the inlet pipe, the filter mechanism comprising a housing, a groove formed on the surface of the housing, a slot formed at the bottom of the groove, a filter screen plate inserted inside the slot, a connecting plate fixedly connected to the top of the filter screen plate, a fixing block fixedly connected to the surface of the housing, a screw threadedly connected inside the fixing block, a knob fixedly connected to the top of the screw, a locking block rotatably connected to the surface of the screw, one end of the locking block being locked onto the connecting plate, a breather valve and a nitrogen inlet pipe fixedly connected to the top of the storage tank, an electrically controlled valve fixedly connected to the surface of the nitrogen inlet pipe, a spray pipe fixedly connected to one end of the nitrogen inlet pipe extending into the interior of the storage tank, and a spray nozzle fixedly connected to the surface of the spray pipe.
[0005] Preferably, there are two sets of the card blocks, and the two sets of card blocks are symmetrically distributed on both sides of the middle part of the surface of the connecting plate.
[0006] Preferably, a sealing gasket is provided inside the groove, and the sealing gasket is made of an elastic sealing material.
[0007] Preferably, a drain pipe is fixedly connected to the bottom of the box, and a sealing cap is provided at the bottom end of the drain pipe.
[0008] Preferably, the surface of the knob is fixedly connected with anti-slip ribs, which are evenly distributed on the surface of the knob.
[0009] Preferably, a limiting rod is fixedly connected to the lower surface of the card block, a limiting groove is formed on the surface of the connecting plate, and the limiting rod is inserted into the limiting groove.
[0010] Compared with the prior art, the advantages and positive effects of this utility model are as follows:
[0011] 1. In this utility model, the oil entering the oil storage tank through the oil inlet pipe is filtered through the filtration mechanism, effectively intercepting impurities of different sizes, greatly improving the filtration effect, ensuring the purity of the liquid in the oil storage tank, and facilitating the subsequent use of the liquid. At the same time, by rotating the knob, the knob drives the screw to rotate. The screw rotates and rises in the fixed block, thereby releasing the locking block from fixing the connecting plate of the filter screen, which facilitates the regular replacement and cleaning maintenance of the filter screen.
[0012] 2. In this utility model, the limiting rod is inserted into the limiting groove to limit the movement of the locking block after it is locked on the connecting plate. This prevents the locking block from tilting or misaligning when fixing the connecting plate of the filter screen, making the fixing of the filter screen more reliable and ensuring the stability of the filter screen during operation. Attached Figure Description
[0013] Figure 1 A schematic diagram of a low-loss bio-jet fuel storage tank is provided for this utility model;
[0014] Figure 2 A cross-sectional view of a low-loss bio-jet fuel storage tank is provided for this utility model.
[0015] Figure 3 An exploded view of the filtration mechanism of a low-loss bio-jet fuel storage tank proposed in this utility model.
[0016] Legend:
[0017] 1. Oil storage tank; 2. Oil inlet pipe; 3. Filtration mechanism; 301. Housing; 302. Slot; 303. Filter screen; 304. Fixing block; 305. Screw; 306. Locking block; 307. Knob; 4. Breathing valve; 5. Nitrogen inlet pipe; 6. Spray pipe; 7. Nozzle; 8. Electrically controlled valve; 9. Valve; 10. Groove; 11. Sealing gasket; 12. Anti-slip ribs; 13. Limiting groove; 14. Limiting rod; 15. Drain pipe; 16. Sealing cover; 17. Connecting plate. Detailed Implementation
[0018] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0019] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0020] Example 1: As Figure 1 - Figure 3 As shown, this utility model provides a technical solution: a low-loss bio-jet fuel storage tank, including a storage tank 1, an inlet pipe 2 fixedly connected to the surface of the storage tank 1, a valve 9 and a filter mechanism 3 provided on the surface of the inlet pipe 2, the filter mechanism 3 including a housing 301, a groove 10 formed on the surface of the housing 301, a slot 302 formed at the bottom of the groove 10, a filter screen plate 303 inserted inside the slot 302, a connecting plate 17 fixedly connected to the top of the filter screen plate 303, a fixing block 304 fixedly connected to the surface of the housing 301, a screw 305 threadedly connected inside the fixing block 304, a knob 307 fixedly connected to the top of the screw 305, and a locking block 306 rotatably connected to the surface of the screw 305. One end of the 06 card is fixed to the connecting plate 17. The top of the oil storage tank 1 is fixedly connected to the breather valve 4 and the nitrogen inlet pipe 5. The surface of the nitrogen inlet pipe 5 is fixedly connected to the electric control valve 8. The end of the nitrogen inlet pipe 5 extending into the oil storage tank 1 is fixedly connected to the spray pipe 6. The surface of the spray pipe 6 is fixedly connected to the nozzle 7. There are two sets of the card blocks 306. The two sets of card blocks 306 are symmetrically distributed on both sides of the middle of the surface of the connecting plate 17. The groove 10 is provided with a sealing gasket 11. The sealing gasket 11 is made of elastic sealing material. The bottom of the box 301 is fixedly connected to the drain pipe 15. The bottom end of the drain pipe 15 is provided with a sealing cap 16. The surface of the knob 307 is fixedly connected to the anti-slip ribs 12. The anti-slip ribs 12 are evenly distributed on the surface of the knob 307.
[0021] In this embodiment, the filter mechanism 3 filters the oil entering the storage tank 1 through the oil inlet pipe 2, effectively intercepting impurities of different sizes, greatly improving the filtration effect, ensuring the purity of the liquid in the storage tank 1, and facilitating subsequent liquid use. Simultaneously, rotating the knob 307 causes the screw 305 to rotate, which rotates and rises within the fixing block 304, thereby releasing the locking block 306 from fixing the connecting plate 17 of the filter screen 303. This facilitates regular replacement and cleaning of the filter screen 303. The breather valve 4 balances the pressure inside and outside the tank, preventing damage to the tank due to abnormal internal pressure. The nitrogen inlet pipe 5, in conjunction with the electric control valve 8, spray pipe 6, and nozzle 7, can fill the tank with nitrogen. Utilizing the inert nature of nitrogen, it effectively isolates air, reducing the possibility of oxidation of biofuel due to contact with oxygen, thereby reducing the risk of biofuel oxidation. The loss of coal during storage also helps maintain the stability of the tank environment, ensuring the safety and quality of storage; two sets of locking blocks 306 are symmetrically distributed on both sides of the middle of the connecting plate 17 surface, making the fixation of the filter screen plate 303 more stable and the force more even; the sealing gasket 11 can fill the tiny gaps between the groove 10 and the filter screen plate 303, playing a good sealing role, which can prevent leakage of bio-jet fuel during filtration, avoiding fuel waste and potential pollution hazards to the surrounding environment; during the filtration process, the impurities intercepted by the filter screen plate 303 will gradually accumulate at the bottom of the box 301, and the setting of the drain pipe 15 facilitates the regular cleaning and discharge of these impurities; the anti-slip ribs 12 are evenly distributed on the surface of the knob 307, increasing the friction between the operator's hand and the knob 307, preventing the hand from slipping when turning the knob 307.
[0022] Example 2: Figure 3 As shown, a limiting rod 14 is fixedly connected to the lower surface of the card block 306, and a limiting groove 13 is opened on the surface of the connecting plate 17, with the limiting rod 14 inserted inside the limiting groove 13.
[0023] In this embodiment, the limiting rod 14 is inserted into the limiting groove 13 to limit the movement of the locking block 306 after it is locked on the connecting plate 17. This prevents the locking block 306 from tilting or misaligning when fixing the connecting plate 17 of the filter screen 303, making the fixing of the filter screen 303 more reliable and ensuring the stability of the filter screen 303 during operation.
[0024] The working principle of this embodiment is as follows: During use, firstly, in the bio-jet fuel injection stage, the valve 9 on the surface of the inlet pipe 2 controls the inlet flow rate. When valve 9 is opened, the bio-jet fuel flows into the inlet pipe 2. Before entering the storage tank 1, the bio-jet fuel first enters the housing 301 of the filter mechanism 3. At this time, the bio-jet fuel needs to be filtered by the filter screen 303. The filter screen 303 is installed in the housing 301 through its specific structure. Specifically, the filter screen 303 is inserted into the slot 302 at the bottom of the groove 10, and its top connecting plate 17 extends to the appropriate position. Then, by rotating the knob 307, the screw 305 is rotated. The locking block 306 rotatably connected to the surface of the screw 305 moves under the axial movement of the screw 305. The locking block 306 is shown in the table below. The limiting rod 14 slides along the limiting groove 13 on the surface of the connecting plate 17 to ensure that the locking block 306 is accurately locked on the connecting plate 17. The sealing gasket 11 in the groove 10 ensures the airtightness of the box 301, preventing leakage of bio-jet fuel and the entry of external impurities. After being filtered by the filter screen 303, impurities in the bio-jet fuel are intercepted in the box 301. Over time, the impurities will settle at the bottom of the box 301. The sealing cover 16 at the bottom of the drain pipe 15 can be opened periodically for cleaning. At the same time, the breather valve 4 on the top of the oil storage tank 1 monitors the pressure inside and outside the tank at all times. In case of abnormal pressure changes inside the tank, the breather valve 4 will automatically adjust to maintain pressure balance inside and outside the tank, ensuring the structural safety of the tank. Under the control of the electronically controlled valve 8, the nitrogen inlet pipe 5 can fill the tank with nitrogen as needed. The nitrogen is sprayed out through the spray pipe 6 and nozzle 7, evenly distributed inside the storage tank 1. Utilizing the inertness of nitrogen, the air inside the tank is expelled as much as possible, reducing the contact between bio-jet fuel and oxygen, preventing oxidation of the bio-jet fuel, thereby reducing losses caused by oxidation and volatilization during storage, and ensuring the bio-jet fuel can be stored safely. It can be stored stably for a long time in a good environment with low loss. When it is necessary to clean or replace the filter screen 303, turn the knob 307. The anti-slip ribs 12 on the surface of the knob 307 provide sufficient friction to prevent it from spinning freely. The knob 307 drives the screw 305 to rotate in the fixed block 304 and raises the locking block 306 on the surface of the screw 305. Then the limiting rod 14 at the bottom of the locking block 306 disengages from the limiting groove 13 on the connecting plate 17. Then turn the locking block 306 and remove the filter screen 303 from the slot 302.
[0025] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A low-loss bio-jet fuel storage tank, comprising a storage tank (1), characterized in that: An oil inlet pipe (2) is fixedly connected to the surface of the oil storage tank (1). A valve (9) and a filter mechanism (3) are provided on the surface of the oil inlet pipe (2). The filter mechanism (3) includes a housing (301). A groove (10) is provided on the surface of the housing (301). A slot (302) is provided at the bottom of the groove (10). A filter screen plate (303) is inserted inside the slot (302). A connecting plate (17) is fixedly connected to the top of the filter screen plate (303). A fixing block (304) is fixedly connected to the surface of the housing (301). The internal thread of the oil storage tank (1) is connected to a screw (305), and a knob (307) is fixedly connected to the top of the screw (305). A locking block (306) is rotatably connected to the surface of the screw (305). One end of the locking block (306) is locked onto the connecting plate (17). A breather valve (4) and a nitrogen inlet pipe (5) are fixedly connected to the top of the oil storage tank (1). An electric control valve (8) is fixedly connected to the surface of the nitrogen inlet pipe (5). A spray pipe (6) is fixedly connected to one end of the nitrogen inlet pipe (5) extending into the oil storage tank (1). A nozzle (7) is fixedly connected to the surface of the spray pipe (6).
2. The low-loss bio-jet fuel storage tank according to claim 1, characterized in that: There are two sets of the card blocks (306), and the two sets of card blocks (306) are symmetrically distributed on both sides of the middle part of the surface of the connecting plate (17).
3. The low-loss bio-jet fuel storage tank according to claim 1, characterized in that: A sealing gasket (11) is provided inside the groove (10), and the sealing gasket (11) is made of elastic sealing material.
4. The low-loss bio-jet fuel storage tank according to claim 1, characterized in that: The bottom of the box (301) is fixedly connected to a drain pipe (15), and a sealing cap (16) is provided at the bottom end of the drain pipe (15).
5. The low-loss bio-jet fuel storage tank according to claim 1, characterized in that: The surface of the knob (307) is fixedly connected with anti-slip ribs (12), which are evenly distributed on the surface of the knob (307).
6. The low-loss bio-jet fuel storage tank according to claim 1, characterized in that: The lower surface of the card block (306) is fixedly connected to a limiting rod (14), and a limiting groove (13) is opened on the surface of the connecting plate (17), and the limiting rod (14) is inserted into the limiting groove (13).