Hydrofining raw oil filter

Abstract

The utility model discloses a hydrofining raw oil filter which comprises a filtering tank and an upper cover connected to the top of the filtering tank, a liquid inlet pipe is connected to the side wall of the top of the filtering tank, the opposite side of the liquid inlet pipe is connected with a slag discharging pipe, a plugging assembly used for plugging the liquid inlet pipe is installed on the upper cover, and a limiting ring is connected to the inner wall of the filtering tank. A connecting ring is mounted on the limiting ring, a filter cartridge is connected to the bottom of a central ring of the connecting ring, a plurality of backflushing nozzles are embedded in a tank body of the filtering tank, nozzles of the backflushing nozzles are arranged between the tank body of the filtering tank and the filter cartridge, the nozzles of the backflushing nozzles incline upwards and point to the filter cartridge, and a liquid outlet pipe is arranged at the bottom of the filtering tank. And electromagnetic valves are mounted on the liquid outlet pipe and the slag discharge pipe. According to the utility model, the liquid inlet pipe can be completely blocked by the blocking block before the filter cartridge is subjected to backwashing, so that washing liquid is prevented from entering the liquid inlet pipe to pollute the original quality of crude oil, and the washing liquid can drive impurities to be discharged from the slag discharge port, so that the backwashing effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering equipment, in particular to a hydrogenation refining raw oil filter. Background Art

[0002] Crude oil filters are mainly used to remove larger particles of sand, fine stones and other impurities in crude oil, and play a very important role in effectively protecting the normal operation of the pump. Hydrocracking crude oil filters use atomic combinations such as hydrogen atom fission to carry out catalytic cracking under hydrogen conditions, which can inhibit the dehydrogenation condensation reaction that occurs during catalytic cracking and avoid the formation of coke.

[0003] The filter element used by traditional hydrorefined crude oil filters to filter impurities has a certain service life. The filter is prone to clogging after frequent use, which in turn affects its filtration performance, resulting in a decrease in the filtration speed and quality of the crude oil after filtration. Traditional crude oil filters mainly address this problem by backwashing the filter after the filter is clogged. However, this method is complicated to operate and requires stopping crude oil filtration and taking a series of measures to ensure that the quality of the original crude oil in the pipeline is not damaged during the backwashing process, which is also costly. Utility Model Content

[0004] The purpose of this utility model is to provide a hydrorefining raw oil filter to solve the above problems.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] The utility model discloses a hydrorefining raw oil filter, comprising a filter tank and an upper cover connected to the top of the filter tank, a liquid inlet pipe is connected to the top side wall of the filter tank, a slag discharge pipe is connected to the side opposite to the liquid inlet pipe, the horizontal height of the slag discharge pipe is lower than the horizontal height of the liquid inlet pipe, a sealing component for sealing the liquid inlet pipe is installed on the upper cover, a limiting ring is connected to the inner wall of the filter tank, a connecting ring is installed on the limiting ring, a filter cartridge is connected to the bottom of the center ring of the connecting ring, a plurality of recoil nozzles are embedded in the tank body of the filter tank, the nozzle of the recoil nozzle is placed between the tank body of the filter tank and the filter cartridge, and the nozzle of the recoil nozzle is tilted upward to point to the filter cartridge, a liquid outlet pipe is provided at the bottom of the filter tank, and electromagnetic valves are installed on the liquid outlet pipe and the slag discharge pipe.

[0007] Furthermore, the sealing assembly includes a hydraulic cylinder connected to the top surface of the upper cover, and the piston end of the hydraulic cylinder passes through the upper cover and is connected to a sealing block, the outer wall of the sealing block fits with the inner wall of the filter tank, and a guide hole is opened on the sealing block, a guide rod is inserted into the guide hole, and the top of the guide rod is connected to the bottom surface of the upper cover.

[0008] Furthermore, a sealing ring is provided on the outer wall of the blocking block.

[0009] Furthermore, a plurality of mounting grooves are provided on the top surface of the limiting ring, and a clamp is connected to the outer wall of the connecting ring. The clamp is clamped in the mounting groove, and the clamp is connected to the mounting groove by bolts.

[0010] Furthermore, six mounting grooves are provided on the top surface of the limiting ring, and the angle between two adjacent mounting grooves is 60°.

[0011] Compared with the prior art, the beneficial technical effects of the present invention are:

[0012] The utility model can completely block the liquid inlet pipe by the blocking block before backwashing the filter cartridge, thereby preventing the flushing liquid from entering the liquid inlet pipe and contaminating the quality of the original crude oil. The flushing liquid can drive the impurities to be discharged from the slag discharge port, thereby improving the backwashing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described below with reference to the accompanying drawings.

[0014] Figure 1 This is a cross-sectional view of the utility model's hydrorefining raw oil filter;

[0015] Figure 2 A top view of the connecting ring installation;

[0016] Explanation of the accompanying symbols: 1. Filter tank; 2. Upper cover; 3. Liquid inlet pipe; 4. Slag discharge pipe; 5. Limiting ring; 6. Connecting ring; 7. Filter cartridge; 8. Recoil nozzle; 9. Liquid outlet pipe; 10. Solenoid valve; 11. Hydraulic cylinder; 12. Sealing block; 13. Guide rod; 14. Sealing ring; 15. Mounting groove; 16. Clamp. DETAILED DESCRIPTION

[0017] like Figure 1-2 As shown, a hydrorefining feedstock oil filter comprises a filter tank 1 and an upper cover 2 connected to the top of the filter tank 1, a liquid inlet pipe 3 is connected to the top side wall of the filter tank 1, a slag discharge pipe 4 is connected to the side opposite to the liquid inlet pipe 3, the slag discharge pipe 4 is at a lower level than the liquid inlet pipe 3, and a plugging assembly for plugging the liquid inlet pipe 3 is installed on the upper cover 2.

[0018] A limiting ring 5 is connected to the inner wall of the filter tank 1, and a connecting ring 6 is installed on the limiting ring 5. Six mounting grooves 15 are provided on the top surface of the limiting ring 5, and the angle between two adjacent mounting grooves 15 is 60°. A clamping piece 16 is connected to the outer wall of the connecting ring 6, and the clamping piece is clamped in the mounting groove 15, and the clamping piece 16 is connected to the mounting groove 15 by bolts.

[0019] A filter cartridge 7 is connected to the center bottom of the connecting ring 6. Several backflushing nozzles 8 are embedded in the body of the filter tank 1. The nozzles of the backflushing nozzles 8 are positioned between the body of the filter tank 1 and the filter cartridge 7, and are tilted upward toward the filter cartridge 7. The tails of the backflushing nozzles 8 are connected to a flushing liquid source via connecting pipes. A liquid outlet pipe 9 is provided at the bottom of the filter tank 1. Both the liquid outlet pipe 9 and the slag discharge pipe 4 are equipped with electromagnetic valves 10.

[0020] The sealing assembly includes a hydraulic cylinder 11 connected to the top surface of the upper cover 2. The piston end of the hydraulic cylinder 11 passes through the upper cover 2 and is connected to a sealing block 12. The outer wall of the sealing block 12 fits with the inner wall of the filter tank 1. A sealing ring 14 is provided on the outer wall of the sealing block 12.

[0021] A guide hole is formed on the blocking block 12 , a guide rod 13 is inserted into the guide hole 12 , and the top of the guide rod 13 is connected to the bottom surface of the upper cover 2 .

[0022] When backwashing is required, stop supplying oil to the filter tank 1, and then the hydraulic cylinder 11 drives the blocking block 12 to descend until the blocking block 12 blocks the liquid inlet pipe 3, and then the solenoid valve 10 on the slag discharge pipe 4 is opened, and the solenoid valve 10 on the liquid outlet pipe 9 is closed, and the backwash nozzle 8 starts to spray flushing liquid to the filter cartridge 7 to flush out the impurities embedded in the filter cartridge 7, and then as the liquid level continues to rise, the flushing liquid with impurities is discharged from the upper slag discharge pipe 4. After a period of flushing, stop flushing, close the solenoid valve 10 on the slag discharge pipe 4, and open the solenoid valve 10 on the liquid outlet pipe 9 to discharge the other flushing liquid in the filter tank 1 from the liquid outlet pipe 9.

[0023] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, various modifications and improvements to the technical solutions of the present invention made by ordinary technicians in this field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. A hydrorefining feedstock oil filter, characterized by: The invention comprises a filter tank (1) and an upper cover (2) connected to the top of the filter tank (1); a liquid inlet pipe (3) is connected to the top side wall of the filter tank (1); a slag discharge pipe (4) is connected to the side opposite to the liquid inlet pipe (3); the slag discharge pipe (4) is at a lower level than the liquid inlet pipe (3); a blocking component for blocking the liquid inlet pipe (3) is installed on the upper cover (2); a limiting ring (5) is connected to the inner wall of the filter tank (1); a limiting ring (5) is installed on the limiting ring (5) A connecting ring (6) is provided, and a filter cartridge (7) is connected to the bottom of the center ring of the connecting ring (6). A plurality of recoil nozzles (8) are embedded in the tank body of the filter tank (1). The nozzles of the recoil nozzles (8) are placed between the tank body of the filter tank (1) and the filter cartridge (7), and the nozzles of the recoil nozzles (8) are tilted upward and pointed toward the filter cartridge (7). A liquid outlet pipe (9) is provided at the bottom of the filter tank (1), and electromagnetic valves (10) are installed on the liquid outlet pipe (9) and the slag discharge pipe (4).

2. The hydrorefining feedstock oil filter according to claim 1, characterized in that: The blocking assembly comprises a hydraulic cylinder (11) connected to the top surface of the upper cover (2); the piston end of the hydraulic cylinder (11) passes through the upper cover (2) and is connected to a blocking block (12); the outer wall of the blocking block (12) is in contact with the inner wall of the filter tank (1); a guide hole is provided on the blocking block (12); a guide rod (13) is inserted into the guide hole; the top of the guide rod (13) is connected to the bottom surface of the upper cover (2).

3. The hydrorefining feedstock oil filter according to claim 2, characterized in that: A sealing ring (14) is provided on the outer wall of the blocking block (12).

4. The hydrorefining feedstock oil filter according to claim 1, characterized in that: A plurality of mounting grooves (15) are provided on the top surface of the limiting ring (5), and a clamping member (16) is connected to the outer wall of the connecting ring (6). The clamping member is clamped in the mounting groove (15), and the clamping member (16) is connected to the mounting groove (15) by bolts.

5. The hydrorefining feedstock oil filter according to claim 4, characterized in that: Six mounting grooves (15) are provided on the top surface of the limiting ring (5), and the angle between two adjacent mounting grooves (15) is 60°.

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