CN220759053U - Distillate oil hydrogenation combination equipment - Google Patents
Distillate oil hydrogenation combination equipment Download PDFInfo
- Publication number
- CN220759053U CN220759053U CN202321827574.7U CN202321827574U CN220759053U CN 220759053 U CN220759053 U CN 220759053U CN 202321827574 U CN202321827574 U CN 202321827574U CN 220759053 U CN220759053 U CN 220759053U
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- China
- Prior art keywords
- retort
- fixed
- reciprocating screw
- distillate oil
- catalyst
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- 238000005984 hydrogenation reaction Methods 0.000 title claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000003054 catalyst Substances 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 238000007790 scraping Methods 0.000 claims description 31
- 238000003756 stirring Methods 0.000 claims description 23
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims 1
- 239000012071 phase Substances 0.000 abstract description 14
- 239000007791 liquid phase Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004140 cleaning Methods 0.000 abstract description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 12
- 239000001257 hydrogen Substances 0.000 description 12
- 239000003921 oil Substances 0.000 description 11
- 239000002994 raw material Substances 0.000 description 11
- 229910052717 sulfur Inorganic materials 0.000 description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 150000002431 hydrogen Chemical class 0.000 description 6
- 239000011593 sulfur Substances 0.000 description 6
- 239000010779 crude oil Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004523 catalytic cracking Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The utility model discloses distillate oil hydrogenation combination equipment, belongs to the technical field of distillate oil hydrogenation combination, and aims at solving the problems that a structure for intermittent feeding of a catalyst is lacking on a two-phase hydrogenation reactor in the prior art, so that the catalyst enters the reactor once, the mixing effect between the catalyst and liquid phase materials is uneven, the mixing effect is greatly reduced, the inner wall of the reactor is easy to bond a product during reaction, and a structure for removing the product bonded on the inner wall is lacking, so that the later cleaning is inconvenient; according to the utility model, through the intermittent feeding assembly, the motor drives the rotary disk, and the rotary disk rotates at the bottom of the fixed disk under the action of a plurality of components, and when the material through holes b are overlapped with the material through holes a, the catalyst put in the feed hopper can be intermittently put in the reaction tank.
Description
Technical Field
The utility model belongs to the technical field of distillate oil hydrogenation combination, and particularly relates to distillate oil hydrogenation combination equipment.
Background
Along with the continuous enhancement of environmental awareness, environmental laws and regulations are stricter on the exhaust emission of an engine, and various fuel standards are stricter on the content of S, N. Meanwhile, as the crude oil production amount is continuously increased and the conventional crude oil reserves are continuously reduced, the crude oil bad trend is more and more serious, the S, N content of middle distillate obtained by direct distillation of crude oil and middle distillate obtained by secondary processing such as coking and catalytic cracking is correspondingly increased, and how to process middle distillate with higher content of sulfur, nitrogen and other impurities into products meeting the environmental protection requirement is an important problem faced by various refineries.
At present, in the use process of the existing distillate oil hydrogenation combined equipment, firstly, high-sulfur distillate oil raw materials, fresh hydrogen and circulating hydrogen are mixed and then enter a gas-phase circulating hydrogenation reactor, after hydrogenation, the flow enters a high-pressure separator after cooling, gas-phase materials and liquid-phase materials are separated, and the hydrogen in the gas-phase materials is circulated back to the inlet of the gas-phase circulating hydrogenation reactor. After dissolving hydrogen in a two-phase hydrogenation raw material hydrogen dissolving device, the low-sulfur distillate raw material is mixed with a liquid phase material flowing out of a high-pressure separator, the mixture enters a two-phase hydrogenation reactor, the two-phase hydrogenation reaction is carried out by contacting the mixture with a catalyst, and a hydrogenated distillate product is discharged from the top of the reactor, but the two-phase hydrogenation reactor is lack of a structure for intermittent feeding of the catalyst, so that the catalyst enters the reactor at one time, the mixing effect between the catalyst and the liquid phase material is uneven, the mixing effect is greatly reduced, and secondly, the product is easy to adhere to the inner wall of the reactor, and the structure for removing the product adhered to the inner wall is lacked, so that the later cleaning is inconvenient.
Disclosure of Invention
The utility model aims to provide a distillate hydrogenation combination device to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a distillate hydrogenation combination equipment, includes the retort, the top left side inlet department of retort is fixed with the inlet pipe, the bottom discharge gate department of retort is fixed with the row's material pipe of electrified valve, the top right side inlet department of retort is fixed with the feeder hopper that is used for delivering the catalyst, the top opening part threaded connection of feeder hopper has sealed lid, the top middle part rigid coupling of retort has the motor, the output shaft of motor extends to the inside rigid coupling of retort and has the (mixing) shaft, the outside rigid coupling of (mixing) shaft has a plurality of stirring leaves, be connected with reciprocal lift scraping assembly and intermittent type feeding subassembly between (mixing) shaft and retort and the feeder hopper.
As a preferred implementation mode, the lower part of the stirring blade is provided with two symmetrically arranged scraping plates a fixed on the outer side of the stirring shaft, the vertical section of each scraping plate a is of an arc-shaped structure, and the outer scraping surface of each scraping plate a is movably attached to the arc-shaped surface of the inner bottom wall of the reaction tank.
As a preferred implementation mode, the reciprocating lifting scraping component comprises a scraping plate b movably attached to the inner wall of the reaction tank, a circular structure is arranged on the cross section of the scraping plate b, a moving block is fixedly connected to the inner wall of the scraping plate b, the moving block is movably sleeved on the outer side of a sliding rod with a square structure on the cross section, and the bottom end of the sliding rod is fixed in the reaction tank through a supporting block.
As a preferable implementation mode, the movable block is connected with a reciprocating screw in a threaded manner, the bottom end of the reciprocating screw is rotationally connected to the supporting block, the top end of the reciprocating screw is fixedly connected with a chain wheel a, the chain wheel a is connected with a chain wheel b through chain transmission, and the chain wheel b is fixedly connected to the outer side of the stirring shaft.
As a preferred implementation mode, the intermittent feeding component comprises a rotating disc fixedly connected to the outer side of the extension part of the reciprocating screw, a fixed disc is movably attached to the top of the rotating disc, the fixed disc is fixed in the feeding hopper, and the top end of the reciprocating screw is rotatably connected to the fixed disc.
As a preferred implementation mode, two symmetrically arranged material through holes a are formed in the fixed disc, and material through holes b matched with the material through holes a are formed in the rotating disc.
Compared with the prior art, the distillate oil hydrogenation combination equipment provided by the utility model at least comprises the following beneficial effects:
(1) The reciprocating lifting scraping assembly is started by the motor and is matched with the functions of a plurality of components, so that the stirring blades rotate and stir, the scraping plate b can move in a reciprocating lifting manner along the inner wall of the reaction tank, and the two scraping plates a are combined, so that the products bonded on the inner wall of the reaction tank can be removed, inconvenience in later removal is avoided, and the service life of the distillate oil hydrogenation combined equipment is greatly prolonged;
(2) Through the intermittent feeding subassembly that sets up, when above-mentioned motor drive, combine the effect of a plurality of parts for the rolling disc rotates in the fixed disk bottom, and when feed opening b and feed opening a coincide, and then make the catalyst of putting in the feeder hopper can put in the retort intermittently, make the effect of mixing even between catalyst and the liquid phase material, promote the effect of mixing greatly.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;
FIG. 2 is a schematic view of the reaction tank of the present utility model in a broken away configuration;
fig. 3 is an enlarged schematic view of the structure of the present utility model at a.
In the figure: 1. a reaction tank; 2. a feed pipe; 3. a discharge pipe; 41. a feed hopper; 42. sealing cover; 5. a motor; 51. a stirring shaft; 52. stirring the leaves; 53. a scraping plate a; 6. a reciprocating lifting scraping assembly; 61. a support block; 62. a slide bar; 63. a moving block; 64. a scraper b; 65. a reciprocating screw; 66. a sprocket a; 67. a chain; 68. a sprocket b; 7. an intermittent feed assembly; 71. a fixed plate; 72. a material through hole a; 73. a rotating disc; 74. and a material through hole b.
Detailed Description
The utility model is further described below with reference to examples.
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure, and it is apparent that the described embodiments are some, but not all, embodiments of the present disclosure, and all other embodiments obtained by persons of ordinary skill in the art without inventive labor based on the described embodiments of the present disclosure are within the scope of protection of the present disclosure.
Unless otherwise defined, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs, the use of the terms "comprising" or "comprises" and the like in this disclosure is intended to mean that the element or article preceding the term encompasses the element or article listed after the term and equivalents thereof, without excluding other elements or articles, and that the terms "connected" or "connected" and the like are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect, "upper", "lower", "left", "right", etc. are merely intended to indicate relative positional relationships that may also be correspondingly altered when the absolute position of the object being described is altered.
Referring to fig. 1-3, the present utility model provides a distillate hydrogenation combination device, comprising:
the reactor comprises a reaction tank 1, a feeding pipe 2 is fixed at a left-side feeding port at the top end of the reaction tank 1, a discharging pipe 3 with a solenoid valve is fixed at a discharge port at the bottom end of the reaction tank 1, a feeding hopper 41 for delivering a catalyst is fixed at a right-side feeding port at the top end of the reaction tank 1, a sealing cover 42 is connected at a top end opening of the feeding hopper 41 in a threaded manner, a motor 5 is fixedly connected at the middle part of the top end of the reaction tank 1, an output shaft of the motor 5 extends to the inside of the reaction tank 1 and is fixedly connected with a stirring shaft 51, a plurality of stirring blades 52 are fixedly connected at the outer side of the stirring shaft 51, and a reciprocating lifting scraping assembly 6 and an intermittent feeding assembly 7 are connected between the stirring shaft 51 and the reaction tank 1 and the feeding hopper 41 thereof.
The feeding pipe 2 is used for conveying low-sulfur distillate oil raw materials to dissolve hydrogen in a two-phase hydrogenation raw material hydrogen dissolving device, then the low-sulfur distillate oil raw materials are mixed with liquid phase materials flowing out of the high-pressure separator, the liquid phase materials enter the two-phase hydrogenation raw material hydrogen dissolving device, the motor 5 drives the stirring shaft 51 to drive the stirring blades 52 to rotate after entering the two-phase hydrogenation raw material hydrogen dissolving device, and then the entered materials and catalysts of the two-phase hydrogenation raw material hydrogen dissolving device can be mixed and stirred.
Further, as shown in fig. 2, it is worth specifically explaining that two symmetrically arranged scrapers a53 fixed on the outer side of the stirring shaft 51 are arranged below the stirring blade 52, the vertical section of each scraper a53 is of an arc-shaped structure, and the outer scraping surface of each scraper a53 is movably attached to the arc-shaped surface of the inner bottom wall of the reaction tank 1.
The scraping plate a53 can scrape the product adhered to the arc surface of the inner bottom wall of the reaction tank 1, and avoid adhering to the arc surface of the inner bottom wall of the reaction tank 1.
Further, as shown in fig. 2-3, it is worth specifically explaining that the reciprocating lifting scraping assembly 6 includes a scraping plate b64 movably attached to the inner wall of the reaction tank 1, a circular structure is formed in the cross section of the scraping plate b64, a moving block 63 is fixedly connected to the inner wall of the scraping plate b64, the moving block 63 is movably sleeved outside a sliding rod 62 with a square structure in cross section, the bottom end of the sliding rod 62 is fixed in the reaction tank 1 through a supporting block 61, a reciprocating screw 65 is connected to the moving block 63 in a threaded manner, the bottom end of the reciprocating screw 65 is rotatably connected to the supporting block 61, a sprocket a66 is fixedly connected to the top end of the reciprocating screw 65, a sprocket b68 is connected to the sprocket a66 in a transmission manner through a chain 67, and the sprocket b68 is fixedly connected to the outer side of the stirring shaft 51.
The combined chain wheel a66 is connected with the chain wheel b68 through a chain 67 in a transmission manner, so that the reciprocating screw 65 rotates, the reciprocating screw 65 is matched with the moving block 63 in threaded connection, and then the scraping plate b64 scrapes the bonding product of the inner wall of the reaction tank 1 in an up-and-down moving manner.
Further, as shown in fig. 3, it is worth specifically describing that the intermittent feeding assembly 7 includes a rotating disc 73 fixedly connected to the outer side of the extension portion of the reciprocating screw 65, a fixed disc 71 is movably attached to the top of the rotating disc 73, the fixed disc 71 is fixed in the feeding hopper 41, the top end of the reciprocating screw 65 is rotatably connected to the fixed disc 71, two symmetrically arranged feed-through holes a72 are formed in the fixed disc 71, and feed-through holes b74 matched with the feed-through holes a72 are formed in the rotating disc 73.
Wherein, the size of the feed-through hole a72 is the same as that of the feed-through hole b74, when the reciprocating screw 65 rotates, the rotating disc 73 can be driven to rotate, and when the two feed-through holes b74 on the rotating disc 73 are overlapped with the two feed-through holes a72 on the fixed disc 71, the catalyst in the feed hopper 41 can intermittently enter the reaction tank 1.
To sum up: when the distillate oil hydrogenation combined equipment is used, the liquid phase materials which are used for conveying the low-sulfur distillate oil raw materials and flow out of the high-pressure separator after hydrogen is dissolved in the two-phase hydrogenation raw material hydrogen dissolving device are mixed through the feeding pipe 2 and then are fed into the reaction tank 1, the stirring shaft 51 drives the stirring blades 52 to rotate through the starting motor 5, the chain wheel a66 is matched with the chain wheel b68 in a transmission mode through the chain 67, the reciprocating screw 65 is further rotated, the reciprocating screw 65 is matched with the reciprocating screw 65 in threaded connection with the moving block 63, the scraping plate b64 is further used for scraping the bonding products on the inner wall of the reaction tank 1 in an up-down moving mode, meanwhile, the two scraping plates a53 can be used for scraping the bonding products on the inner bottom wall arc surface of the reaction tank 1, bonding products on the inner bottom wall arc surface of the reaction tank 1 are avoided, in addition, the reciprocating screw 65 can be driven to rotate when the reciprocating screw 65 rotates, the two through holes b74 on the rotating disc 73 are overlapped with the two through holes a72 on the fixed disc 71, the catalyst in the feeding hopper 41 can intermittently enter the reaction tank 1, and the effect of mixing the catalyst and the liquid phase materials are greatly and evenly mixed is improved.
The motor 5 can be purchased in the market, and the motor 5 is provided with a power supply, which belongs to the mature technology in the field and is fully disclosed, so that the description is not repeated.
Claims (5)
1. The utility model provides a distillate oil hydrogenation combination equipment, includes retort (1), its characterized in that, the top left side feed department of retort (1) is fixed with inlet pipe (2), bottom discharge gate department of retort (1) is fixed with row material pipe (3) of electrified valve, top right side feed inlet department of retort (1) is fixed with feeder hopper (41) that are used for delivering the catalyst, the top opening part threaded connection of feeder hopper (41) has sealed lid (42), the top middle part rigid coupling of retort (1) has motor (5), the output shaft of motor (5) extends to inside rigid coupling of retort (1) has (mixing) shaft (51), the outside rigid coupling of (mixing) shaft (51) has a plurality of stirring leaf (52), be connected with reciprocal lift scraping assembly (6) and intermittent type feeding assembly (7) between (mixing) shaft (51) and retort (1) and feeder hopper (41), the below of stirring leaf (52) is equipped with and fixes scraper blade a (53) that two symmetries that set up in the stirring shaft (51) outside, scraper blade a (53) vertical cross-section is curved structure, scraper blade a (53) vertical section is curved structure, scraper blade (53) laminating on the interior bottom of retort (1) of the face.
2. The distillate hydrogenation combination device according to claim 1, wherein: the reciprocating lifting scraping assembly (6) comprises a scraping plate b (64) movably attached to the inner wall of the reaction tank (1), a circular ring-shaped structure is arranged on the cross section of the scraping plate b (64), a moving block (63) is fixedly connected to the inner wall of the scraping plate b (64), the moving block (63) is movably sleeved on the outer side of a sliding rod (62) with a square cross section, and the bottom end of the sliding rod (62) is fixed in the reaction tank (1) through a supporting block (61).
3. The distillate hydrogenation combination device according to claim 2, wherein: the reciprocating screw (65) is connected to the moving block (63) in a threaded mode, the bottom end of the reciprocating screw (65) is connected to the supporting block (61) in a rotating mode, a chain wheel a (66) is fixedly connected to the top end of the reciprocating screw (65), a chain wheel b (68) is connected to the chain wheel a (66) in a transmission mode through a chain (67), and the chain wheel b (68) is fixedly connected to the outer side of the stirring shaft (51).
4. A distillate oil hydrogenation combination according to claim 3, characterized in that: the intermittent feeding assembly (7) comprises a rotating disc (73) fixedly connected to the outer side of the extension part of the reciprocating screw (65), a fixed disc (71) is movably attached to the top of the rotating disc (73), the fixed disc (71) is fixed in the feeding hopper (41), and the top end of the reciprocating screw (65) is rotationally connected to the fixed disc (71).
5. The distillate oil hydrogenation combination device according to claim 4, wherein: two symmetrically arranged material through holes a (72) are formed in the fixed disc (71), and material through holes b (74) matched with the material through holes a (72) are formed in the rotating disc (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321827574.7U CN220759053U (en) | 2023-07-12 | 2023-07-12 | Distillate oil hydrogenation combination equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321827574.7U CN220759053U (en) | 2023-07-12 | 2023-07-12 | Distillate oil hydrogenation combination equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220759053U true CN220759053U (en) | 2024-04-12 |
Family
ID=90614705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321827574.7U Active CN220759053U (en) | 2023-07-12 | 2023-07-12 | Distillate oil hydrogenation combination equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220759053U (en) |
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2023
- 2023-07-12 CN CN202321827574.7U patent/CN220759053U/en active Active
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