Drainage port structure of sunken oil tank
By designing the drain outlet structure of the sinking oil tank, the drainage mechanism and the inclined drainage tank bottom plate can effectively discharge the water at the bottom of the oil tank, solving the problem that the traditional drainage outlet structure cannot effectively drain, and improving the quality of oil products and tank cleaning efficiency.
Patent Information
- Application Number
- CN202422069607.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-08-26
AI Technical Summary
The drainage port of the traditional oil tank is simple in structure and cannot effectively drain water from the bottom of the oil tank, resulting in the oil quality being affected and the residual liquid in the tank cannot be completely emptied when cleaning the tank.
A desolate oil tank drain structure is designed, connected to the bottom end of the oil tank body through a drainage mechanism, and the drain port is connected and the inclined drain tank bottom plate is used to flow the tank bottom water to the drain tank itself, and secondary settlement and separation are performed through a dewaterer.
It realizes effective discharge of water at the bottom of the tank, improves the quality of oil products, ensures complete emptying during tank cleaning, facilitates storage tank maintenance, and reduces the difficulty of cleaning impurities.
Smart Images
Figure CN222988916U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of oil tank drainage, and particularly relates to a sunken oil tank drain structure. Background Art
[0002] During the storage process of oil products, the dehydration and sewage discharge system of the oil tank has an important impact on the quality of the stored oil products and the emptying of the storage tank during tank cleaning. The traditional oil tank drain pipe is connected to the inside of the tank from the pipe wall (30 cm above the tank bottom plate), and obliquely inserted into the sump of the tank bottom plate inside the tank. During normal storage and turnover, it is easy to cause incomplete drainage of the bottom water of the tank, affecting the quality of the oil products, and 30 cm of liquid level remains at the bottom of the tank and cannot be drained and emptied during tank cleaning. Therefore, how to design a new type of drain to improve the dehydration effect and the convenience of emptying the tank during the maintenance of the storage tank is an urgent problem to be solved by those skilled in the art. Content of the Utility Model
[0003] The utility model mainly solves the problems that the structure of the traditional oil tank drain is simple, there is no drainage from the lowest point of the tank bottom plate, or after the storage tank has been used for a certain number of years, the circular pot-shaped water collecting tank opened on the bottom plate inside the tank (at a certain distance from the tank wall) is not the lowest point due to uneven settlement of the tank bottom plate, resulting in incomplete drainage of the bottom water of the tank during normal storage and turnover of the oil tank, affecting the quality of the oil products. During the maintenance and tank cleaning of the oil tank, the tank cannot be emptied through the drain, etc.
[0004] To achieve the above object, the utility model provides the following technical solution: a sunken oil tank drain structure, including an oil tank body, a connecting piece and a drainage mechanism, the drainage mechanism is connected to the bottom end of the oil tank body through the connecting piece, the drainage mechanism is composed of a drain pipe nipple, a nipple flange, a left end cover, a gasket, a first flange, bolts, washers, nuts, a drain trough bottom plate, a right end plate and a tank bottom plate, the nipple flange is connected to the end of the drain pipe nipple, the left end cover and the right end plate are connected on both sides of the drain trough bottom plate, the tank bottom plate is connected to the top of the drain trough bottom plate, and the nipple flange is connected to the first flange.
[0005] Preferably, as a sunken oil tank drain structure of the utility model, the first flange is fixedly connected to the left end cover through bolts, washers and nuts.
[0006] Preferably, as a sunken oil tank drain structure of the utility model, the left end cover, the right end plate, the tank bottom plate and the drain trough bottom plate are integrally connected and form a semi-circle.
[0007] Preferably, as a sunken oil tank drain structure of the utility model, the bottom end of the drain trough bottom plate is inclined, and the drain pipe nipple is installed on the outer side wall of the first flange and close to the bottom end of the drain trough bottom plate.
[0008] Preferably, as a sunken oil tank drain structure of the present utility model, an electric rod is installed on the outer side wall of the right end plate. The telescopic end of the electric rod is connected to a connecting plate, and a cleaning brush is installed at the bottom end of the connecting plate.
[0009] Preferably, as a sunken oil tank drain structure of the present utility model, the cleaning brush forms a linear reciprocating motion between the connecting plate and the electric rod and the right end plate, and the cleaning brush is attached to the top surface of the bottom plate of the drain tank.
[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0011] The present utility model utilizes the drainage mechanism to be sunken and fixed at the lowest point of the oil tank body, which can effectively drain all the water deposited at the bottom of the oil tank body into the bottom plate of the drain tank by gravity. Then, it is discharged to the dehydrator through the drain port connecting pipe for secondary sedimentation and oil-water separation and dehydration. At the same time, the residual liquid in the oil tank body is emptied through the drain port connecting pipe, and then industrial water is injected into the oil tank body for flushing. After repeating several times, the tank bottom can be cleaned and replaced to meet the requirements, reaching the condition for near-tank maintenance, providing safety guarantee for the storage tank maintenance, and also improving the convenience of emptying the residual liquid in the tank through the drain port during tank cleaning. Subsequently, the cleaning brush can process the bottom surface of the drain tank bottom plate through the movement of the electric rod, avoiding the situation that oil impurities adhere to the surface of the drain tank bottom plate and are not conducive to drainage. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:
[0013] Figure 1 is a schematic diagram of the main structure of the present utility model;
[0014] Figure 2 is a front view structure schematic diagram of the drainage mechanism of the present utility model;
[0015] Figure 3 is a top view structure schematic diagram of the drainage mechanism of the present utility model;
[0016] Figure 4 is a front view structure schematic diagram of the main body of the present utility model.
[0017] In the figure: 1, oil tank body; 2, connecting piece; 3, drainage mechanism; 31, drain port connecting pipe; 32, connecting pipe flange; 33, left end cover; 34, gasket; 35, first flange; 36, bolt; 37, washer; 38, nut; 39, drain tank bottom plate; 310, right end plate; 311, tank bottom plate; 4, electric rod; 5, connecting plate; 6, cleaning brush. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0019] Please refer to Figures 1-4 , the present utility model provides the following technical solutions: a sunken oil tank drain port structure, including an oil tank body 1, a connecting piece 2, and a drainage mechanism 3. The drainage mechanism 3 is connected to the bottom end of the oil tank body 1 through the connecting piece 2. The drainage mechanism 3 is composed of a drain port connecting pipe 31, a connecting pipe flange 32, a left end cover 33, a gasket 34, a first flange 35, bolts 36, washers 37, nuts 38, a drainage trough bottom plate 39, a right end plate 310, and a tank bottom plate 311. The connecting pipe flange 32 is connected to the end of the drain port connecting pipe 31. The left end cover 33 and the right end plate 310 are connected on both sides of the drainage trough bottom plate 39. The tank bottom plate 311 is connected to the top of the drainage trough bottom plate 39. The connecting pipe flange 32 is connected to the first flange 35.
[0020] Preferably: The first flange 35 is fixedly connected to the left end cover 33 through bolts 36, washers 37, and nuts 38.
[0021] In specific use, the first flange 35 can be connected to the left end cover 33 by using bolts 36, washers 37, and nuts 38, so as to facilitate the connection of the drain port connecting pipe 31 to the dehydrator through the connecting pipe flange 32.
[0022] Preferably: The left end cover 33, the right end plate 310, the tank bottom plate 311, and the drainage trough bottom plate 39 are integrally connected and form a semicircle.
[0023] In specific use, the water or residual liquid settled in the oil tank body 1 can be collected according to the slope from high to low by using the semicircle formed by the left end cover 33, the right end plate 310, the tank bottom plate 311, and the drainage trough bottom plate 39, so as to facilitate the feeding into the dehydrator through the drain port connecting pipe 31.
[0024] Preferably: The bottom end of the drainage trough bottom plate 39 is inclined, and the drain port connecting pipe 31 is installed on the outer side wall of the first flange 35 and close to the bottom end of the drainage trough bottom plate 39.
[0025] In specific use, by using the inclined bottom end of the drainage trough bottom plate 39, it is convenient to collect the settled water or residual liquid according to the slope from high to low, and then collect it in the drain port connecting pipe 31.
[0026] Preferably, an electric rod 4 is installed on the outer side wall of the right end plate 310. The telescopic end of the electric rod 4 is connected to a connecting plate 5, and a cleaning brush 6 is installed at the bottom end of the connecting plate 5.
[0027] During specific use, the cleaning brush 6 can be used to treat the bottom surface of the drainage tank bottom plate 39, avoiding the situation where oil impurities adhere to the surface of the drainage tank bottom plate 39 and are not conducive to drainage.
[0028] Preferably, the cleaning brush 6 forms a linear reciprocating motion between the connecting plate 5 and the electric rod 4 and the right end plate 310, and the cleaning brush 6 is attached to the top surface of the drainage tank bottom plate 39.
[0029] During specific use, the electric rod 4 is used to drive the cleaning brush 6 to perform a linear reciprocating motion, and then the reciprocating motion of the cleaning brush 6 treats the bottom surface of the drainage tank bottom plate 39.
[0030] Working principle: The drainage mechanism 3 is fixed in a sunken manner at the lowest point of the oil tank body 1, which can effectively drain all the water deposited at the bottom of the oil tank body 1 into the drainage tank bottom plate 39 by gravity. Then, it is discharged through the drainage port connecting pipe 31 to the dehydrator for secondary sedimentation and oil-water separation and dehydration. At the same time, the residual liquid in the oil tank body 1 is emptied through the drainage port connecting pipe 31, and then industrial water is injected into the oil tank body 1 for flushing. After repeating several times, the tank bottom can be cleaned and meet the requirements, reaching the condition for near-tank maintenance, providing safety guarantee for the storage tank maintenance, and also improving the convenience of emptying the residual liquid in the tank through the drainage port during tank cleaning. Subsequently, the cleaning brush 6 can treat the bottom surface of the drainage tank bottom plate 39 through the movement of the electric rod 4, avoiding the situation where oil impurities adhere to the surface of the drainage tank bottom plate 39 and are not conducive to drainage.
[0031] It should be noted that the left end cover 33, the right end plate 310, the tank bottom plate 311, and the drainage tank bottom plate 39 are made of the same material as the oil tank body 1 or higher-quality materials, such as stainless steel, titanium alloy, etc. The sizes of the left end cover 33, the right end plate 310, the tank bottom plate 311, and the drainage tank bottom plate 39 can be designed according to actual needs to meet the use of oil tank bodies 1 of different specifications and capacities. At the same time, the drainage port connecting pipe 31 is generally designed with a pipe diameter of DN100, and the connection position is preferably close to the lower part of the left end cover 33 to achieve the best drainage and emptying effects. At the same time, this sunken oil tank drainage port structure is used for vertical oil tanks and is connected to the bottom end of the vertical oil tank for drainage operations.
[0032] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A sunken oil tank drain outlet structure, comprising an oil tank body (1), a connecting piece (2) and a drain mechanism (3), characterized in that: The drainage mechanism (3) is connected to the bottom end of the oil tank body (1) via a connecting piece (2); The drainage mechanism (3) comprises a drainage outlet pipe (31), a pipe flange (32), a left end cover (33), a gasket (34), a first flange (35), bolts (36), washers (37), nuts (38), a drainage trough bottom plate (39), a right end plate (310) and a tank bottom plate (311); the pipe flange (32) is connected to the end of the drainage outlet pipe (31); the left end cover (33) and the right end plate (310) are connected at both sides of the drainage trough bottom plate (39); the tank bottom plate (311) is connected at the top end of the drainage trough bottom plate (39); and the pipe flange (32) is connected to the first flange (35).
2. The sunken oil tank drain outlet structure according to claim 1, characterized in that: The first flange (35) is fixedly connected to the left end cover (33) via bolts (36), washers (37) and nuts (38).
3. The sunken oil tank drain outlet structure according to claim 1, characterized in that: The left end cover (33), the right end plate (310), the tank bottom plate (311) and the drainage trough bottom plate (39) are integrally connected and form a semicircle.
4. The sunken oil tank drain outlet structure according to claim 1, characterized in that: The bottom end of the drainage trough bottom plate (39) is inclined, and the drainage outlet pipe (31) is installed on the outer side wall of the first flange (35) and close to the bottom end of the drainage trough bottom plate (39).
5. The sunken oil tank drain outlet structure according to claim 1, characterized in that: An electric rod (4) is installed on the outer side wall of the right end plate (310), the telescopic end of the electric rod (4) is connected to a connecting plate (5), and a cleaning brush (6) is installed at the bottom end of the connecting plate (5).
6. The sunken oil tank drain outlet structure according to claim 5, characterized in that: The cleaning brush (6) forms a linear reciprocating motion with the right end plate (310) through the connecting plate (5) and the electric rod (4), and the cleaning brush (6) is attached to the top surface of the drainage trough bottom plate (39).