CN211435680U

CN211435680U - Tail gas recovery system used after hydrofining of lubricating oil

Info

Publication number: CN211435680U
Application number: CN201922246815.9U
Authority: CN
Inventors: 邹强; 邹欣蓓
Original assignee: Changzhou Xinhao E Commerce Co ltd
Current assignee: Changzhou Xinhao E Commerce Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-09-08
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses a tail gas recovery system for after lubricating oil hydrofining, including adsorbing the storehouse, the lower extreme inboard that adsorbs the storehouse is provided with the aeration head, the aeration head passes through the mode fixed connection of joint with adsorbing the storehouse, the bottom that adsorbs the storehouse is provided with the end storehouse, end storehouse and adsorption storehouse pass through welding mode fixed connection, it is provided with and blocks the subassembly to adsorb the inside symmetry in storehouse, block the subassembly and adsorb the mode fixed connection that the storehouse passes through the joint, the top that adsorbs the storehouse is provided with agitating unit, agitating unit and adsorption storehouse fixed connection, the side that adsorbs the storehouse is provided with the second storehouse body, the second storehouse body and adsorption storehouse fixed connection. Can increase the turbulent degree of adsorption liquid through the agitating unit who sets up, and then can let the adsorption efficiency of adsorption liquid better, through the aeration head that sets up with block the subassembly and can increase bubble quantity and tail gas and persist the time in adsorption liquid, and then can let tail gas and adsorption liquid fully contact, and then can improve the adsorption efficiency of adsorption liquid.

Description

Tail gas recovery system used after hydrofining of lubricating oil

Technical Field

The utility model relates to a lubricating oil production facility technical field, in particular to a tail gas recovery system for after lubricating oil hydrofining.

Background

At present, when lubricating oil is subjected to hydrofining, harmful gases such as hydrogen sulfide and the like can be generated due to the existence of sulfur, nitrogen and oxygen in the lubricating oil, meanwhile, when the lubricating oil containing the harmful gases is discharged, part of the lubricating oil can be discharged, impurity gases such as hydrogen sulfide and the like can be remained in tail gas, after the lubricating oil is recycled, the product quality is influenced due to the impurity gases generated during the refining of a small amount of lubricating oil, and the waste of products can be caused when the tail gas containing the impurity gases and the lubricating oil is treated as waste products.

The prior Chinese patent with publication number CN206778145U discloses a tail gas recovery system for hydrorefining lubricating oil, which comprises a gasoline absorption tank, a burner, a gas-liquid separator and a tail gas inlet pipe, wherein the upper end of the gasoline absorption tank is in a ladder shape, the left side of the upper end of the gasoline absorption tank is a low-level section, and the right side of the upper end of the gasoline absorption tank is a high-level section; a waste gas discharge port is formed in the high-level section and communicated with a combustor, and an air outlet is formed in the combustor; the tail gas inlet pipe is positioned at the lower end of the left side of the gasoline absorption box and communicated with the venturi tube through the connecting flange, and the venturi tube extends into the gasoline absorption box and is communicated with the aeration head. This novel structural design is reasonable, and convenient to use can increase the area of contact and the absorption efficiency of tail gas with petrol in the petrol absorption box, has reduced the setting of water pump in the former file, and the cost is reduced, and has reduced the increase of the maintenance cost that leads to because of the water pump trouble.

However, the above-mentioned tail gas treatment device still has the disadvantage that when the tail gas is introduced into the gasoline absorption tank, only the aeration head and the partition plate are adopted, although the number and the stroke of the bubbles are increased, the turbulence degree of the liquid is not improved, and the absorption efficiency of the tail gas is affected.

SUMMERY OF THE UTILITY MODEL

To solve the problems mentioned in the background art, the present invention provides a tail gas recovery system for lubricating oil after hydrorefining, to solve the problems mentioned in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a tail gas recovery system for after lubricating oil hydrofining, including adsorbing the storehouse, the lower extreme inboard that adsorbs the storehouse is provided with the aeration head, the mode fixed connection that aeration head and adsorption storehouse pass through the joint, the bottom that adsorbs the storehouse is provided with the end storehouse, end storehouse and adsorption storehouse pass through welding mode fixed connection, the inside symmetry in adsorption storehouse is provided with blocks the subassembly, block the subassembly and adsorb the mode fixed connection that the storehouse passes through the joint, the top that adsorbs the storehouse is provided with agitating unit, agitating unit and adsorption storehouse fixed connection, the side that adsorbs the storehouse is provided with the second storehouse body, the second storehouse body and adsorption storehouse fixed connection.

Preferably, the side surfaces of the adsorption bins are symmetrically provided with flow guide pipelines which are fixedly connected with the adsorption bins and are communicated with the adsorption bins.

Through adopting above-mentioned technical scheme, be provided with the water conservancy diversion pipeline through the side symmetry in adsorbing the storehouse to and let the water conservancy diversion pipeline link up with adsorbing the storehouse each other, be in order to let the absorption liquid in the absorption storehouse and the absorption liquid in the second storehouse body can circulate each other, and then be convenient for with the cleaner of the impurity clearance in the tail gas.

Preferably, the shape of aeration head sets up to half arc structure, and the lower terminal surface of aeration head is provided with spacing rand, and spacing rand and aeration head fixed connection run through on the aeration head and have seted up first bleeder vent, first bleeder vent evenly distributed.

Through adopting above-mentioned technical scheme, set up to half arc structure through the shape with the aeration head, be in order to increase the quantity of first bleeder vent to can let the quantity of bubble produce more, can let tail gas and adsorption liquid's area of contact bigger like this, thereby can let the adsorption efficiency better, be provided with spacing rand through the lower terminal surface at the aeration head, be in order to facilitate the inside with aeration head fixed mounting in absorption bin.

Preferably, the lower end surface of the bottom bin is provided with a connecting flange which is fixedly connected with the bottom bin.

Through adopting above-mentioned technical scheme, be provided with flange through the lower terminal surface at the end storehouse, be in order to facilitate the inside that lets in the tail gas that will handle to adsorb the storehouse to can be convenient for adsorb the processing to tail gas.

The preferred blocks the subassembly and includes spacing fastener and barrier plate, and the inboard fixedly connected with barrier plate of spacing fastener blocks the equidistant distribution of barrier plate, and the up end of barrier plate runs through and has seted up the spacing groove, runs through on the barrier plate and has seted up the second bleeder vent, second bleeder vent evenly distributed.

Through adopting above-mentioned technical scheme, stop the subassembly through the setting and be the time that exists in the absorption liquid for the extension tail gas to can let the contact time of absorption liquid and tail gas be more of a specified duration, and then can be better to the adsorption efficiency of tail gas, run through the up end at the barrier plate and seted up the spacing groove, be for the ease of installing agitating unit, through running through on the barrier plate and seted up the second bleeder vent, be for the ease of tail gas sees through.

The preferred, agitating unit includes driving motor, sealed lid and stirring piece, the up end fixedly connected with driving motor of sealed lid, driving motor's output fixedly connected with stirring piece, the broken tooth of edge fixedly connected with of stirring piece, the equidistant distribution of stirring piece is surrounded to broken tooth, the up end of stirring piece runs through and has seted up ventilative logical groove, ventilative logical groove centers on the equidistant distribution in axle center of stirring piece, driving motor's lower extreme outside fixedly connected with connecting seat.

Through adopting the above technical scheme, be in order to increase the turbulent degree of adsorption liquid through setting up agitating unit, thereby can let tail gas can be abundant and the adsorption liquid contact, and then can let the adsorption efficiency better, through the output fixedly connected with stirring piece at driving motor, and at the broken tooth of the edge fixedly connected with of stirring piece, be in order to further carry out the breakage with the produced bubble of aeration head, can also increase the turbulent degree of adsorption liquid simultaneously, and then can let the adsorption efficiency better, through having seted up ventilative logical groove through the up end at the stirring piece, be for the convenience of the bubble flows through.

To sum up, the utility model discloses mainly have following beneficial effect: the utility model has the characteristics of rational in infrastructure, control convenient, agitating unit through setting up can increase the turbulent degree of adsorption liquid, and then can let the adsorption efficiency of adsorption liquid better, and the aeration head through setting up with block the subassembly and can increase bubble quantity and tail gas and persist the time in adsorption liquid, and then can let tail gas and adsorption liquid fully contact, and then can improve the adsorption efficiency of adsorption liquid.

Drawings

FIG. 1 is a schematic structural diagram of a tail gas recovery system for use after hydrorefining of lubricating oil according to the present invention;

FIG. 2 is a schematic view of a split structure of a tail gas recovery system for use after hydrorefining of lubricating oil according to the present invention;

FIG. 3 is a schematic structural diagram of an adsorption bin of the tail gas recovery system after hydrorefining of lubricating oil according to the present invention;

FIG. 4 is a schematic structural diagram of an aeration head of the tail gas recovery system after hydrorefining of lubricating oil according to the present invention;

FIG. 5 is a schematic structural diagram of a bottom bin of the tail gas recovery system after hydrorefining of lubricating oil according to the present invention;

FIG. 6 is a schematic structural view of a barrier assembly for a post-hydrofinishing tail gas recovery system for lubricating oil of the present invention;

fig. 7 is a schematic structural diagram of an agitating device of the tail gas recovery system after hydrorefining of lubricating oil of the present invention.

Reference numerals: 1. an adsorption bin; 11. a diversion pipeline; 2. an aeration head; 21. a first air vent; 22. a limiting retainer ring; 3. a bottom bin; 31. a connecting flange; 4. a blocking component; 41. a limiting clamping piece; 42. a blocking plate; 421. a limiting groove; 422. a second air hole; 5. a stirring device; 51. a drive motor; 511. a connecting seat; 52. a sealing cover; 53. a stirring member; 531. crushing teeth; 532. a ventilation through groove; 6. a second cartridge body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, a tail gas recovery system for hydrorefining of lubricating oil includes an adsorption bin 1, wherein flow guide pipelines 11 are symmetrically arranged on the side surface of the adsorption bin 1, the flow guide pipelines 11 are fixedly connected with the adsorption bin 1, the flow guide pipelines 11 and the adsorption bin 1 are communicated with each other, and the flow guide pipelines 11 are symmetrically arranged on the side surface of the adsorption bin 1 and are communicated with each other with the adsorption bin 1, so that an adsorption liquid in the adsorption bin 1 and an adsorption liquid in the second bin 6 can be communicated with each other, and further impurities in the tail gas can be cleaned more cleanly; the lower end inner side of the adsorption bin 1 is provided with an aeration head 2, the aeration head 2 is fixedly connected with the adsorption bin 1 in a clamping manner, the shape of the aeration head 2 is set to be a semi-arc structure, the lower end face of the aeration head 2 is provided with a limit clamp ring 22, the limit clamp ring 22 is fixedly connected with the aeration head 2, the aeration head 2 is provided with a first air hole 21 in a penetrating manner, the first air hole 21 is uniformly distributed, the shape of the aeration head 2 is set to be a semi-arc structure, so that the number of the first air holes 21 can be increased, more bubbles can be generated, the contact area between tail gas and adsorption liquid can be larger, the adsorption effect can be better, the lower end face of the aeration head 2 is provided with the limit clamp ring 22, and the aeration head 2 is conveniently and fixedly installed in the adsorption bin 1; the bottom end of the adsorption bin 1 is provided with a bottom bin 3, the bottom bin 3 is fixedly connected with the adsorption bin 1 in a welding mode, the lower end face of the bottom bin 3 is provided with a connecting flange 31, the connecting flange 31 is fixedly connected with the bottom bin 3, and the connecting flange 31 is arranged on the lower end face of the bottom bin 3, so that the tail gas to be treated can be conveniently introduced into the adsorption bin 1, and the tail gas can be conveniently adsorbed;

the interior of the adsorption bin 1 is symmetrically provided with a blocking component 4, the blocking component 4 is fixedly connected with the adsorption bin 1 in a clamping manner, the blocking component 4 comprises a limiting clamping piece 41 and a blocking plate 42, the inner side of the limiting clamping piece 41 is fixedly connected with the blocking plate 42, the blocking plates 42 are distributed at equal intervals, the upper end surface of the blocking plate 42 is penetrated and provided with a limit groove 421, the blocking plate 42 is penetrated and provided with a second air hole 422, the second air holes 422 are uniformly distributed, the barrier component 4 is arranged to prolong the time of the tail gas existing in the adsorption liquid, so that the contact time of the adsorption liquid and the tail gas can be longer, further, the absorption effect on the tail gas is better, and the limit groove 421 is formed on the upper end surface of the barrier plate 42 in a penetrating manner, so that the stirring device 5 is convenient to mount, the second air holes 422 are formed in the barrier plate 42 in a penetrating manner, so that the tail gas can penetrate through the second air holes; the top end of the adsorption bin 1 is provided with a stirring device 5, the stirring device 5 is fixedly connected with the adsorption bin 1, the stirring device 5 comprises a driving motor 51, a sealing cover 52 and a stirring piece 53, the upper end surface of the sealing cover 52 is fixedly connected with the driving motor 51, the output end of the driving motor 51 is fixedly connected with the stirring piece 53, the edge of the stirring piece 53 is fixedly connected with a crushing tooth 531, the crushing tooth 531 surrounds the stirring piece 53 at equal intervals, the upper end surface of the stirring piece 53 is provided with a ventilating through groove 532 in a penetrating way, the ventilating through groove 532 surrounds the axle center of the stirring piece 53 at equal intervals, the outer side of the lower end of the driving motor 51 is fixedly connected with a connecting seat 511, the stirring device 5 is arranged to increase the turbulence degree of adsorption liquid, so that tail gas can be fully contacted with the adsorption liquid, the adsorption effect can be better, the stirring piece 53, the edge of the stirring piece 53 is fixedly connected with the crushing teeth 531, so that bubbles generated by the aeration head 2 can be further crushed, the turbulence degree of the adsorption liquid can be increased, the adsorption effect is better, and the upper end face of the stirring piece 53 is provided with the ventilating through groove 532 in a penetrating manner, so that the bubbles can flow through conveniently; the side of the adsorption bin 1 is provided with a second bin body 6, and the second bin body 6 is fixedly connected with the adsorption bin 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tail gas recovery system for lubricating oil hydrofining back, includes absorption storehouse (1), its characterized in that: the utility model discloses a novel adsorption bin, including adsorption bin (1), mode fixed connection, bottom bin (3), end bin (3) and adsorption bin (1), the mode fixed connection of joint is passed through to aeration head (2) and adsorption bin (1), the bottom of adsorption bin (1) is provided with end bin (3), end bin (3) and adsorption bin (1) are through welding mode fixed connection, the inside symmetry in adsorption bin (1) is provided with blocks subassembly (4), block the mode fixed connection of subassembly (4) and adsorption bin (1) through the joint, the top of adsorption bin (1) is provided with agitating unit (5), agitating unit (5) and adsorption bin (1) fixed connection, the side in adsorption bin (1) is provided with second storehouse body (6), second storehouse body (6) and adsorption bin (1) fixed connection.

2. The tail gas recovery system for the hydrofinishing of lubricating oil according to claim 1, characterized in that: the side symmetry of adsorbing storehouse (1) is provided with water conservancy diversion pipeline (11), water conservancy diversion pipeline (11) and adsorbing storehouse (1) fixed connection, and water conservancy diversion pipeline (11) and adsorbing storehouse (1) link up each other.

3. The tail gas recovery system for the hydrofinishing of lubricating oil according to claim 2, characterized in that: the shape of aeration head (2) sets up to half arc structure, and the lower terminal surface of aeration head (2) is provided with spacing rand (22), spacing rand (22) and aeration head (2) fixed connection, run through on aeration head (2) and seted up first bleeder vent (21), first bleeder vent (21) evenly distributed.

4. The tail gas recovery system for the hydrofinished lubricating oil according to claim 3, characterized in that: the lower end face of the bottom bin (3) is provided with a connecting flange (31), and the connecting flange (31) is fixedly connected with the bottom bin (3).

5. The tail gas recovery system for the hydrofinished lubricating oil according to claim 4, characterized in that: stop subassembly (4) including spacing fastener (41) and barrier plate (42), inboard fixedly connected with barrier plate (42) of spacing fastener (41), barrier plate (42) equidistant distribution, and the up end of barrier plate (42) runs through and has seted up spacing groove (421), run through on barrier plate (42) and seted up second bleeder vent (422), second bleeder vent (422) evenly distributed.

6. The tail gas recovery system for the hydrofinishing of lubricating oil according to claim 5, characterized in that: the stirring device (5) comprises a driving motor (51), a sealing cover (52) and a stirring piece (53), wherein the upper end face of the sealing cover (52) is fixedly connected with the driving motor (51), the output end of the driving motor (51) is fixedly connected with the stirring piece (53), the edge of the stirring piece (53) is fixedly connected with crushing teeth (531), the crushing teeth (531) surround the stirring piece (53) in an equidistant mode, the upper end face of the stirring piece (53) penetrates through a ventilating through groove (532), the ventilating through groove (532) surrounds the axis of the stirring piece (53) in an equidistant mode, and the outer side of the lower end of the driving motor (51) is fixedly connected with a connecting seat (511).