CN212173274U

CN212173274U - Oil storage tank

Info

Publication number: CN212173274U
Application number: CN202020647840.8U
Authority: CN
Inventors: 吴灿辉; 刘大超; 赵国永
Original assignee: Hebei Runda Petrochemical Engineering Construction Co ltd
Current assignee: Hebei Runda Petrochemical Engineering Construction Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-12-18
Anticipated expiration: 2030-04-26

Abstract

The utility model relates to the technical field of petrochemical engineering, and discloses an oil storage tank, which comprises a tank body, an inlet pipe arranged on the tank body, a discharge pipe arranged on the side wall of the tank body, and a first valve arranged on the discharge pipe; the slag discharging device also comprises a partition board arranged in the tank body, first leak holes uniformly distributed on the partition board, a water absorbing layer arranged in the tank body, a slag discharging pipe arranged on the bottom wall of the tank body and a second valve arranged on the slag discharging pipe; the discharging pipe is located above the partition plate, and the water absorbing layer is located below the partition plate. The utility model discloses be convenient for discharge the internal impurity of jar, also can detach the internal moisture of doping of jar, guarantee to take the purity of crude oil as far as possible.

Description

Oil storage tank

Technical Field

The utility model belongs to the technical field of petrochemical engineering's technique and specifically relates to an oil storage tank is related to.

Background

The conventional oil storage tank is full of impurities on the bottom wall of the oil storage tank due to the fact that unfiltered oil is frequently stored, a water layer is generated on the bottom layer of the oil storage tank even if the oil storage tank is used for a long time, and oil products can be deteriorated due to the fact that water is mixed in the oil storage tank for a long time, so that the impurities and the water in the oil storage tank need to be removed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an oil storage tank is convenient for with the internal impurity discharge of jar, also can detach the internal moisture of doping of jar, guarantees to take the purity of crude oil as far as possible.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an oil storage tank comprises a tank body, a feed pipe arranged on the tank body, a discharge pipe arranged on the side wall of the tank body and a first valve arranged on the discharge pipe;

the slag discharging device also comprises a partition board arranged in the tank body, first leak holes uniformly distributed on the partition board, a water absorbing layer arranged in the tank body, a slag discharging pipe arranged on the bottom wall of the tank body and a second valve arranged on the slag discharging pipe;

the discharging pipe is located above the partition plate, and the water absorbing layer is located below the partition plate.

By adopting the technical scheme, crude oil is added into the tank body through the feeding pipe arranged on the tank body, the crude oil is stored in the tank body for a long time, slag impurities and part of water doped with the slag impurities can be formed on the bottom plate of the tank body, the position, close to the lower part, in the tank body is provided with the partition plate, the partition plate is uniformly provided with the first leakage holes, the impurities fall down through the first leakage holes uniformly arranged on the partition plate and fall into the water absorption layer, and the water doped in the crude oil in the tank body can be absorbed in the water absorption layer to remove the water in the crude oil; the bottom wall of the tank body is connected with a slag discharge pipe, and when impurities in the tank body need to be removed, the impurities are discharged along the slag discharge pipe; the discharging pipe is located the top of baffle, and impurity passes through the baffle and drops in the lower part of jar body, and the crude oil of surviving in the jar body flows out through the discharging pipe that sets up on jar side wall, guarantees that the crude oil of taking does not contain impurity or contains less impurity.

The utility model discloses further set up to: the water absorption layer comprises a placing plate arranged in the tank body, a baffle arranged on the placing plate and a drying agent arranged in the placing plate;

the baffle is arranged at the edge of the placing plate and is connected end to form a circular structure.

By adopting the technical scheme, the placing plate and the baffle plate enclose a circular area, and the circular area is internally provided with the drying agent which can remove moisture doped in the crude oil, so that the crude oil keeps higher purity; furthermore, impurities in the crude oil can fall into the circular area formed by the placing plate and the baffle plate and can be discharged together with the drying agent.

The utility model discloses further set up to: the placing plate is arranged to be a concave structure with a low center and two high sides.

Through adopting above-mentioned technical scheme, place the board and set to the high concave surface structure of the low outside in center, can make the impurity that falls into on placing the board can be to placing the central point of board and putting and pile up, lower position in making impurity accomodate.

The utility model discloses further set up to: the drying agent is anhydrous sodium sulfate.

By adopting the technical scheme, the anhydrous sodium sulfate has strong drying capacity, does not react with an organic solvent, belongs to a neutral drying agent, has wide application range and better dewatering effect; and moreover, the anhydrous sodium sulfate has large water absorption capacity and low cost, and can be popularized and applied.

The utility model discloses further set up to: and a second leakage hole matched with the slag discharge pipe is formed in the placing plate.

Through adopting above-mentioned technical scheme, place and offer the second small opening that sets up with the cooperation of scum pipe on the board, the second small opening is mutually supported with the position of scum pipe, and the region that board and baffle formed can be stayed to internal impurity of jar and drier, deposits too much when impurity, when needing to clear up impurity, can flow into the scum pipe through the second small opening in order to make the drier and the impurity of placing the board upper surface and place, finally outwards discharge through the scum pipe.

The utility model discloses further set up to: the diameter of the second leak hole is not more than that of the slag discharge pipe.

Through adopting above-mentioned technical scheme, the diameter of second small opening is not more than the diameter of row's sediment pipe, ensures that impurity and drier from placing the board and fall into in the sediment pipe through the second small opening, if the diameter of second small opening is greater than the diameter of row's sediment pipe, impurity and drier can upwards return material, influence the purity of crude oil.

The utility model discloses further set up to: a filter screen is also arranged in the discharge pipe;

the distance between the filter screen and the outlet end of the discharge pipe is larger than the distance between the first valve and the outlet end of the discharge pipe.

Through adopting above-mentioned technical scheme, be equipped with the filter screen in the discharging pipe, the distance of filter screen distance discharging pipe is greater than the distance of first valve and exit end, when taking out crude oil from the discharging pipe, and crude oil is earlier through the filter screen, and it is internal to stay jar with impurity, and crude oil takes out through first valve again behind the filter screen.

To sum up, the utility model discloses a beneficial technological effect does:

1. impurities formed in the tank body fall into the water absorption layer below the partition plate through the first leakage hole in the partition plate, the water absorption layer can absorb water doped in crude oil, and the impurities are discharged through the slag discharge pipe arranged on the bottom wall of the tank body, so that the purity of raw materials in the tank body is ensured;

2. the placing plate is provided with a second leakage hole, the second leakage hole is matched with the position of the deslagging pipe, and the diameter of the second leakage hole is smaller than that of the deslagging pipe, so that impurities and drying agents on the placing plate can be prevented from being leaked.

Drawings

Fig. 1 is an overall sectional view schematically showing the present embodiment.

Fig. 2 is a schematic view of the internal structure of the present embodiment.

Fig. 3 is a schematic structural view of the water-absorbing layer in this embodiment.

In the figure, 11, a tank body; 12. a feed pipe; 13. a discharge pipe; 131. filtering with a screen; 14. a first valve; 21. a partition plate; 22. a first leak hole; 23. a water-absorbing layer; 231. placing the plate; 232. a baffle plate; 233. a desiccant; 234. a second leak hole; 24. a slag discharge pipe; 25. a second valve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses an oil storage tank, by jar body 11, inlet pipe 12, discharging pipe 13, first valve 14, baffle 21, first small opening 22, absorb water layer 23, arrange sediment pipe 24 and second valve 25 etc. and constitute.

The feeding pipe 12 is fixedly arranged on the top wall of the tank body 11 and is connected with the tank body 11 in a welding mode, and the feeding pipe 12 is arranged into a round pipe and made of stainless steel. When the raw material is obliquely downwards conveyed from the transport vehicle, the conveying belt of the raw material transport vehicle is inserted into the pipe opening of the feeding pipe 12 and finally conveyed into the tank body 11 for storage.

The discharge pipe 13 is fixedly arranged at the position close to the side wall of the lower end of the tank body 11 and is connected with the tank body 11 in a welding mode. The discharge pipe 13 may be a square pipe or a round pipe and made of stainless steel. When crude oil is required to be taken out from the tank body 11, the crude oil is taken out through the discharge pipe 13, and the discharge pipe 13 is arranged on the side wall of the tank body 11 close to the lower end, so that the taken crude oil can contain little or no impurities. The first valve 14 is detachably connected to the tapping pipe 13 and is connected to the tapping pipe 13 in a flange connection. When crude oil is required to be taken, the valve rod is rotated to keep the discharge pipe 13 in a through state, and the crude oil in the tank body 11 flows outwards to be taken. When a certain amount of the material discharging pipe 13 needs to be plugged, the valve rod is rotated again to enable the material discharging pipe 13 to be in a closed state, and the material discharging pipe 13 is plugged.

The partition 21 is fixed on the inner wall of the tank 11 and connected with the tank 11 by welding. The partition 21 has the same cross-sectional area as the tank 11 and is horizontally fixed in the tank 11. The partition 21 is provided on the inner wall of the tank 11 near the lower end and below the discharge pipe 13. First small opening 22 equipartition is seted up in jar body 11, and impurity in jar body 11 can be on the diapire of jar body 11 is fallen to first small opening 22 on the baffle 21 downwards, and impurity is all separated by baffle 21 in the region that baffle 21 and jar body 11 bottom formed, like this, is located the baffle 21 top crude oil and does not contain or contain a small amount of impurity, guarantees that the crude oil of taking out has higher purity.

The water absorbing layer 23 is arranged below the partition plate 21, the water absorbing layer 23 is fixedly connected with the bottom wall of the tank body 11 and is arranged in the tank body 11 to absorb the moisture doped in the crude oil in the tank body 11, and the crude oil is prevented from being deteriorated due to the moisture doped in the crude oil.

The slag discharge pipe 24 is fixedly connected to the bottom wall of the tank body 11 and is welded with the tank body 11. The second valve 25 is arranged on the slag discharging pipe 24, the second valve 25 is detachably connected to the slag discharging pipe 24, and the second valve is connected with the slag discharging pipe 24 in a flange mode. When the impurities are required to be discharged out of the tank body 11, the second valve 25 is rotated to enable the slag discharge pipe 24 to be communicated with the outside, and the impurities are discharged.

Referring to fig. 2, in order to remove water impurities doped in crude oil, a water absorbing layer 23 is provided in the tank 11, and the water absorbing layer 23 is composed of a placing plate 231, a baffle 232 and a drying agent 233. The placing plate 231 is provided on the inner wall of the can body 11 and is connected to the can body 11 by welding. The placing plate 231 is located below the partition plate 21, and the lower surface of the placing plate 231 is attached to the bottom wall of the can body 11. Baffle 232 sets up vertically upwards, lower extreme and place board 231 fixed connection, and the connected mode is the welding. The baffle 232 is disposed at a position near the edge of the placing plate 231, and forms a circular area opened upward with the placing plate 231. The drying agent 233 is laid on the upper surface of the mounting plate 231, and the drying agent 233 is provided to dry moisture doped in the crude oil and further remove moisture in the tank body 11.

In order to contain the impurities at the bottom of the tank 11 as much as possible, the placing plate 231 is formed in a concave structure with a lower center and two higher sides, so that the impurities and the drying agent 233 can be accumulated at a middle position near the placing plate 231, and thus, the impurities and the used drying agent 233 can be conveniently discharged.

In order to increase the water absorption capacity of the drying agent 233, the drying agent 233 is anhydrous sodium sulfate, which has strong drying capacity, belongs to a neutral drying agent, has a wide application range, and has a good water removal effect; and moreover, the anhydrous sodium sulfate has large water absorption capacity and low cost, and can be popularized and applied.

Impurities fall into the water absorbing layer 23 below the partition plate 21, and in order to discharge the impurities in the water absorbing layer 23 or to take out the drying agent 233 for replacement, a second leakage hole 234 is formed in the placing plate 231 near the middle, and the second leakage hole 234 is arranged at a position matching the position of the slag discharging pipe 24. The impurities and the drying agent 233 remaining on the upper surface of the placing plate 231 flow into the slag discharging pipe 24 through the second leakage hole 234 and are discharged from the inside of the can body 11.

Referring to fig. 3, in order to make the impurities and the drying agent 233 passing through the second leakage hole 234 enter the slag discharging pipe 24, the diameter of the second leakage hole 234 cannot be larger than that of the slag discharging pipe 24, so that the impurities and the drying agent 233 can enter the slag discharging pipe 24 and can be discharged from the tank 11.

The material taken out of the discharge pipe 13 is ensured to contain no or a small amount of impurities, a filter screen 131 is further arranged inside the discharge pipe 13, the filter screen 131 is fixed on the inner wall of the discharge pipe 13, and the connection mode with the discharge pipe 13 is welding. The outer diameter of the screen 131 is the same as the inner diameter of the tapping pipe 13 to ensure that impurities passing through the screen 131 are blocked in the tank 11. The distance between the filter screen 131 and the pipe opening of the discharge pipe 13 is greater than the distance between the first valve 14 and the outlet end of the discharge pipe 13, when crude oil is taken out, the crude oil firstly passes through the filter screen 131 to leave impurities in the tank body 11 and then flows out through the first valve 14, so that the impurities are prevented from contacting the first valve 14, and the first valve 14 is prevented from being damaged.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An oil storage tank, its characterized in that: comprises a tank body (11), a feeding pipe (12) arranged on the tank body (11), a discharging pipe (13) arranged on the side wall of the tank body (11) and a first valve (14) arranged on the discharging pipe (13);

the device also comprises a partition plate (21) arranged in the tank body (11), first leakage holes (22) uniformly distributed on the partition plate (21), a water absorbing layer (23) arranged in the tank body (11), a slag discharge pipe (24) arranged on the bottom wall of the tank body (11) and a second valve (25) arranged on the slag discharge pipe (24);

the discharge pipe (13) is positioned above the partition plate (21), and the water absorption layer (23) is positioned below the partition plate (21).

2. An oil storage tank as claimed in claim 1, wherein: the water absorption layer (23) comprises a placing plate (231) arranged in the tank body (11), a baffle plate (232) arranged on the placing plate (231) and a drying agent (233) arranged on the placing plate (231);

the baffle (232) is arranged at the edge of the placing plate (231) and encloses a circular structure.

3. An oil storage tank as claimed in claim 2, wherein: the placing plate (231) is arranged to be a concave structure with a lower center and two higher sides.

4. An oil storage tank as claimed in claim 2, wherein: the drying agent (233) is anhydrous magnesium sulfate.

5. An oil storage tank as claimed in claim 2, wherein: the placing plate (231) is provided with a second leakage hole (234) matched with the slag discharge pipe (24).

6. An oil storage tank as claimed in claim 5, wherein: the diameter of the second leak hole (234) is not more than that of the slag discharge pipe (24).

7. An oil storage tank as claimed in claim 1, wherein: a filter screen (131) is also arranged in the discharge pipe (13);

the distance between the filter screen (131) and the outlet end of the discharge pipe (13) is greater than the distance between the first valve (14) and the outlet end of the discharge pipe (13).