Filtering and drying system of oil storage equipment

The filtration and drying system, which combines support pipe partitions and a breather valve, solves the problems of contamination and gas in oil storage, thereby improving oil quality and storage safety.

CN223716800UActive Publication Date: 2025-12-26LOGISTICAL ENGINEERING UNIVERSITY OF PLA
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Patent Information

Application Number
CN202520272036.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-20
Publication Date
2025-12-26
Estimated Expiration
2035-02-20

AI Technical Summary

Technical Problem

During the storage of oil products, they are easily contaminated by moisture, dust, fibers, fungi, and microorganisms, resulting in problems such as suspended solids and corrosion of tanks. Furthermore, the respiration of oil products leads to the generation of gases, affecting storage quality and safety.

Method used

The system is divided into upper and lower support tubes by a support tube, combined with large and small breathing valves and a filter drying device. The gas flow is controlled by different pressures to achieve gas drying and prevent moisture, fiber dust from entering. Silicone oil is used to reduce friction loss, and a thermometer and hygrometer and an observation mirror are installed to monitor the storage condition.

Benefits of technology

It effectively dries the gas stored in oil products, prevents moisture and microbial contamination, improves oil quality and lifespan, protects equipment, extends the service life of breather valves, and ensures storage safety.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223716800U_ABST
Patent Text Reader

Abstract

The utility model discloses a filtering and drying system of oil storage equipment, which comprises a supporting pipe, a partition plate is arranged in the middle of the supporting pipe to divide the supporting pipe into an upper supporting pipe and a lower supporting pipe, at least one filtering and drying device is arranged on the outer side of the upper supporting pipe, and each filtering and drying device is correspondingly provided with a large breather valve; the large breather valve and the filtering and drying device are communicated with the supporting pipes, an upper small breather valve is arranged between the large breather valve and the filtering and drying device, and when the pressure of the lower supporting pipe is smaller than the external pressure, external air enters the filtering and drying device after being sucked in from the upper small breather valve and finally enters the lower supporting pipe; and when the pressure of the lower supporting pipe is greater than the external pressure, the gas in the lower supporting pipe is exhaled from the large breather valve. The utility model has the beneficial effects that through the mutual cooperation of the big and small breather valves and the filtering and drying device, drying and breathing are completed together, water is prevented from entering, an oil product can be effectively protected, the storage life of the oil product is prolonged, and the performance of the oil product is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to oil storage technical field, concretely relates to a filter drying system of oil storage equipment. BACKGROUND

[0002] In the oil storage process, because the storage life is long, it is easy to be polluted by moisture, dust, fiber, fungi and microorganism etc., produces suspended matter, corrodes the tank body etc. problem, oil storage is also carried out respiration, produces some respiratory gas, and the increase or decrease of temperature can lead to the evaporation or condensation of steam and the generation of moisture, seriously disturb the oil storage and safety, and the personnel or device using the oil product has certain dangerous nature, therefore particularly need a device to dry the respiratory gas, prevent moisture etc. from entering the oil storage equipment, so as to keep the quality of the stored oil product, reduce the corrosion of important parts such as oil tank, pipeline, prevent microbial contamination and the formation of suspended matter. SUMMARY

[0003] To solve the above technical problem, the utility model provides a filter drying system of oil storage equipment that can improve the oil storage life.

[0004] Its technical scheme is as follows: a filter drying system of oil storage equipment, including support pipe, its key points lie in, the support pipe middle part is provided with the baffle and divides the support pipe into upper support pipe and lower support pipe, at least one filter drying device is provided on the outside of the upper support pipe, each filter drying device is correspondingly provided with big breath valve;

[0005] One end of the big breath valve is communicated with the upper support pipe through the first pipeline, the other end is provided with the second pipeline and is communicated with the lower support pipe, the first pipeline and the inlet end of the filter drying device are communicated through the connecting pipe, the upper small breath valve is arranged on the connecting pipe, the outlet end of the filter drying device is communicated with the lower support pipe through the mounting pipe;

[0006] The suction pressure of the upper small breathing valve is less than that of the large breathing valve, the exhaust pressure of the upper small breathing valve is greater than that of the large breathing valve, when the pressure of the lower supporting pipe is less than the external pressure, the external gas is inhaled from the upper small breathing valve and then enters the filtering and drying device and finally enters the lower supporting pipe; when the pressure of the lower supporting pipe is greater than the external pressure, the gas in the lower supporting pipe is exhausted from the large breathing valve. With the above structure, through the cooperation of the filtering and drying device, the large breathing valve and the upper small breathing valve, the gas generated during the storage of the oil product can be effectively dried, the moisture and fiber dust in the air can be prevented from entering the oil storage equipment, the microorganisms attached to the moisture and fiber dust can be reduced to enter the oil storage equipment, the extraction of the antioxidant by the moisture can be controlled, the storage quality and the life of the oil product are improved, and the external gas can enter the oil depot through the small breathing valve and the large breathing valve under special circumstances. The large breathing valve can effectively protect the small breathing valve and the filtering and drying device, and prolong the service life.

[0007] As a preferred, a lower small breathing valve is installed in parallel between the installation pipe and the lower supporting pipe, and valves are arranged on the pipelines on both sides of the lower small breathing valve. With the above structure, the lower small breathing valve is arranged in parallel as a backup breathing valve, which can inhale external gas from the lower small breathing valve when the upper small breathing valve fails.

[0008] As a preferred, the large breathing valve comprises a shell and an inner container, a gap is left between the shell and the inner container, a first oil filling valve is arranged at the top of the shell, and a first gas path ball valve is arranged at the bottom. With the above structure, the silicon oil can be filled into the gap space through the first oil filling valve, which reduces the trouble of taking off the cover, reduces the friction loss, improves the working efficiency, and the first gas path ball valve at the bottom can reduce the leakage of the silicon oil.

[0009] As a preferred, a first oil sight glass is arranged on the outer side wall of the shell, the first oil sight glass is close to one side of the first gas path ball valve, and the height of the first oil sight glass is lower than the height of the second pipeline. With the above structure, the use of the silicon oil between the shell and the inner container can be observed through the oil sight glass, which is convenient for timely supplement.

[0010] As a preferred, the upper small breathing valve and the lower small breathing valve are consistent in structure, and each comprises a shell and an internal ventilation pipe, a gap is left between the shell and the ventilation pipe, a second oil filling valve is arranged at the top of the shell, a bottom cover is arranged at the bottom, a second gas path ball valve is arranged on the bottom cover, and a second oil sight glass is arranged on the shell close to the bottom cover. With the above structure, the oil product in the oil depot is protected together with the large breathing valve and the filtering and drying device, the silicon oil can be filled through the oil filling valve, the trouble of taking off the cover is avoided, and the use of the silicon oil between the shell and the ventilation pipe can be observed through the oil sight glass.

[0011] As preferred: the height of the partition plate is higher than the bottom of the large breathing valve and the filter drying device, a drain valve is arranged on the outer side wall of the upper supporting pipe, and the drain valve is close to the partition plate. With the above structure, the water and oil in the supporting pipe body after being treated by the filter drying device can be separated and drained through the drain valve.

[0012] As preferred: a temperature and humidity meter is arranged on the outer side wall of the supporting pipe, and a fixing seat and a sealing gasket are arranged outside the temperature and humidity meter. With the above structure, the temperature and humidity inside can be detected through the temperature and humidity meter.

[0013] As preferred: the filter drying device comprises an inner cylinder and an outer cylinder, observation mirrors are arranged on the outer side walls of the inner cylinder and the outer cylinder, an observation cover is fixed outside the observation mirrors, and the observation mirrors on the inner side and the outer side are at the same horizontal height. With the above structure, the observation cover can reinforce the observation mirror, ensure the firmness of the observation mirror, and the oil product condition in the oil storage barrel can be observed through the observation mirror.

[0014] As preferred: a base is arranged at the bottom of the inner cylinder of the filter drying device, a cover plate is arranged at the top of the inner cylinder, and an ear and a pressing block are arranged on the inner side and the outer side of the inner cylinder close to the cover plate. With the above structure, the stability of the inner cylinder can be ensured, the cover plate is arranged, the ear can support the cover plate, and the pressing block can be fixed with the outer cylinder, so that foreign matters in the outside can be prevented from entering the filter drying device.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: through the cooperation between the large and small breathing valves and the filter drying device, the drying and breathing are realized, the water is prevented from entering, the oil product can be effectively protected, and the storage life and performance of the oil product are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a top view of the utility model;

[0017] Figure 2 It is a sectional view of A-A in the figure; Figure 1

[0018] Figure 3 It is an enlarged schematic view of B in the figure; Figure 1

[0019] Figure 4 It is a structural schematic view of the large breathing valve 3;

[0020] Figure 5 It is a structural schematic view of the small breathing valve 4;

[0021] Figure 6 It is a structural schematic view of the filter drying device 3. DETAILED DESCRIPTION ​​

[0022] The present invention will be further described below with reference to the embodiments and accompanying drawings.

[0023] like Figures 1-2 As shown, a filtration and drying system for an oil storage device mainly includes a support pipe 1. A partition 2 is provided in the middle of the support pipe 1 to divide the support pipe 1 into an upper support pipe 1a and a lower support pipe 1b. At least one filtration and drying device 3 is provided on the outside of the upper support pipe 1a. Each filtration and drying device 3 is provided with a large breathing valve 4. The lower support pipe 1b is connected to the oil depot.

[0024] One end of the large breathing valve 4 is connected to the upper support pipe 1a through the first pipe 4a, and the other end is connected to the lower support pipe 1b through the second pipe 4b. The first pipe 4a and the inlet end of the filter drying device 3 are connected through the connecting pipe 3a. The upper small breathing valve 5 is installed on the connecting pipe 3a. The outlet end of the filter drying device 3 is connected to the lower support pipe 1b through the mounting pipe 3b.

[0025] The inhalation pressure of the upper small breathing valve 5 is less than the inhalation pressure of the large breathing valve 4, and the exhalation pressure of the upper small breathing valve 5 is greater than the exhalation pressure of the large breathing valve 4. The inhalation pressure of the upper small breathing valve 5 is 5 mm water column and the exhalation pressure is 25 mm water column, while the inhalation and exhalation pressures of the large breathing valve 4 are both 15 mm water column. When the pressure in the lower support tube 1b is less than the external pressure, the external gas is drawn in through the upper small breathing valve 5 and enters the filter drying device 3, and finally enters the lower support tube 1b.

[0026] When the pressure in the lower support tube 1b is greater than the external pressure, the gas in the lower support tube 1b is exhaled from the large breathing valve 4, thereby protecting the filter drying device 3.

[0027] A lower small breathing valve 51 is installed in parallel between the mounting pipe 3b and the lower support pipe 1b. Valves are installed on the pipes on both sides of the lower small breathing valve 51. The inhalation pressure and exhalation pressure of the lower small breathing valve 51 are the same as those of the upper small breathing valve 5. The lower small breathing valve 51 serves as a backup breathing valve.

[0028] The height of the partition 2 is higher than the bottom of the large breathing valve 4 and the filter drying device 3. A drain valve 6 is provided on the outer wall of the upper support pipe 1a. The drain valve 6 is close to the partition 2. When gas is exhaled from the large breathing valve 4, the water in the gas is discharged from the first pipe 4a into the upper support pipe 1a. The water in the upper support pipe 1a can be discharged through the drain valve 6 connected to it.

[0029] like Figure 3As shown, a thermometer and hygrometer 7 is installed on the outer wall of the support pipe 1. The height of the thermometer and hygrometer 7 is flush with the lower pipe 302 and the oil pipeline 201. A fixing seat 701 is installed on the outside of the thermometer and hygrometer 7. The fixing seat 701 can improve the installation firmness of the thermometer and hygrometer 7 and prevent it from falling off. A sealing gasket 702 is also provided between the thermometer and hygrometer 7 and the fixing seat 701 to prevent moisture or impurities in the air from entering from there and contaminating the oil.

[0030] like Figure 4 As shown, the large breathing valve 4 includes a housing 401 and an inner liner 402, with a gap between the housing 401 and the inner liner 402. A first oil filling valve 403 is provided at the top of the housing 401, and a first air passage ball valve 405 is provided at the bottom. A first oil sight glass 404 is provided on the outer wall of the housing 401, with the first oil sight glass 404 located near the first air passage ball valve 405, and the height of the first oil sight glass 404 is lower than the height of the second pipe 4b.

[0031] like Figure 5 As shown, the upper small breathing valve 5 and the lower small breathing valve 51 have the same structure, both including a housing 501 and an internal vent pipe 502. There is a gap between the housing 501 and the vent pipe 502. A second oil filling valve 503 is provided on the top of the housing 501, and a bottom cover 504 is provided at the bottom. A second air passage ball valve 505 is provided on the bottom cover 504. A second oil sight glass 506 is provided on the housing 501 near the bottom cover 504. It cooperates with the large breathing valve 4 to reasonably select the inhalation and exhalation valves, and works with the filter drying device 3 to complete the drying and breathing process, prevent moisture from entering, and improve the shelf life and performance of the oil.

[0032] like Figure 6 As shown, the filtration and drying device 3 includes an inner cylinder 301 and an outer cylinder 302. Observation mirrors 303 are provided on the outer walls of both the inner and outer cylinders 301 and 302. Observation covers 304 are fixed to the outside of each observation mirror 303. The observation mirrors 303 on both the inner and outer sides are at the same horizontal height and are secured with oil-resistant silicone sealant. A base 305 is provided at the bottom of the inner cylinder 301, and a cover plate 306 is provided at the top of the inner cylinder 301. A handle 309 is also provided on the cover plate 306. Support ears 307 and pressure blocks 308 are respectively provided on the inner and outer sides of the inner cylinder 301 near the cover plate 306. Screws are inserted into the support ears 307 to secure them to the cover plate 306. Screws are installed in the pressure blocks 307 to secure them to the outer cylinder 302. At least two elastic buckles 310 are provided on the outside of the outer cylinder 302, near the top of the outer cylinder 302.

[0033] Finally, it needs to be explained that the above description is only the preferred embodiment of the utility model, and the ordinary skilled in the art can make various similar expressions under the inspiration of the utility model without violating the purpose and the claims of the utility model, and such changes fall within the protection scope of the utility model.

Claims

1. A filter-drying system of an oil storage installation comprising a support tube (1), characterized in that: The support pipe (1) is divided into an upper support pipe (1a) and a lower support pipe (1b) by a partition plate (2) arranged in the middle of the support pipe (1), and at least one filtering and drying device (3) is arranged outside the upper support pipe (1a), and each filtering and drying device (3) is correspondingly provided with a large breathing valve (4); One end of the large breathing valve (4) is communicated with the upper support pipe (1a) through a first pipeline (4a), and the other end is provided with a second pipeline (4b) communicated with the lower support pipe (1b), the first pipeline (4a) and the inlet end of the filtering and drying device (3) are communicated through a connecting pipe (3a), an upper small breathing valve (5) is arranged on the connecting pipe (3a), and the outlet end of the filtering and drying device (3) is communicated with the lower support pipe (1b) through a mounting pipe (3b); The suction pressure of the upper small breathing valve (5) is smaller than that of the large breathing valve (4), the exhaust pressure of the upper small breathing valve (5) is greater than that of the large breathing valve (4), when the pressure of the lower support pipe (1b) is smaller than the external pressure, external gas is sucked into the filtering and drying device (3) from the upper small breathing valve (5) and finally enters the lower support pipe (1b); when the pressure of the lower support pipe (1b) is greater than the external pressure, the gas in the lower support pipe (1b) is exhausted from the large breathing valve (4).

2. The filtering and drying system of an oil storage device according to claim 1, characterized in that: A lower small breathing valve (51) is arranged in parallel between the mounting pipe (3b) and the lower support pipe (1b), and valves are arranged on the pipelines on both sides of the lower small breathing valve (51).

3. The filtering and drying system of an oil storage device according to claim 1 or 2, characterized in that: The large breathing valve (4) comprises a shell (401) and an inner container (402), a gap is left between the shell (401) and the inner container (402), a first oil filling valve (403) is arranged on the top of the shell (401), and a first ball valve for gas passage (405) is arranged on the bottom of the shell (401).

4. The filtering and drying system of an oil storage device according to claim 3, characterized in that: A first oil sight glass (404) is arranged on the outer wall of the shell (401), the first oil sight glass (404) is close to one side of the first ball valve for gas passage (405), and the height of the first oil sight glass (404) is lower than the height of the second pipeline (4b).

5. The filtering and drying system of an oil storage device according to claim 2, characterized in that: The upper small breathing valve (5) and the lower small breathing valve (51) are consistent in structure and each comprise an outer shell (501) and an internal air pipe (502), a gap is left between the outer shell (501) and the air pipe (502), a second oil filling valve (503) is arranged on the top of the outer shell (501), a bottom cover (504) is arranged on the bottom of the outer shell (501), a second ball valve for gas passage (505) is arranged on the bottom cover (504), and a second oil sight glass (506) is arranged on the outer shell (501) close to the bottom cover (504).

6. The filtering and drying system of an oil storage device according to claim 1, characterized in that: The height of the partition plate (2) is higher than the bottom of the large breathing valve (4) and the filtering and drying device (3), a drain valve (6) is arranged on the outer wall of the upper support pipe (1a), and the drain valve (6) is close to the partition plate (2).

7. The filtering and drying system of an oil storage device according to claim 6, characterized in that: A hygrometer (7) is arranged on the outer wall of the support pipe (1), and a fixing seat (701) and a sealing gasket (702) are arranged outside the hygrometer (7).

8. The filtering and drying system of an oil storage device according to claim 1 or 2, characterized in that: The filter drying device (3) comprises an inner cylinder (301) and an outer cylinder (302), observation mirrors (303) are arranged on the outer sidewalls of the inner cylinder (301) and the outer cylinder (302), observation covers (304) are fixed outside the observation mirrors (303), and the observation mirrors (303) on the inner and outer sides are at the same horizontal height.

9. The filtering and drying system of an oil storage device according to claim 8, characterized in that: The inner cylinder (301) of the filter drying device (3) is provided with a base (305) at the bottom and a cover plate (306) at the top, and an ear (307) and a pressing block (308) are arranged on the inner and outer sides of the inner cylinder (301) close to the cover plate (306) respectively.