CN117511594A - Desulfurizing device for safe production of naphtha - Google Patents
Desulfurizing device for safe production of naphtha Download PDFInfo
- Publication number
- CN117511594A CN117511594A CN202410025280.5A CN202410025280A CN117511594A CN 117511594 A CN117511594 A CN 117511594A CN 202410025280 A CN202410025280 A CN 202410025280A CN 117511594 A CN117511594 A CN 117511594A
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- CN
- China
- Prior art keywords
- box
- naphtha
- desulfurization
- gear
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 230000003009 desulfurizing effect Effects 0.000 title abstract description 15
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 50
- 230000023556 desulfurization Effects 0.000 claims abstract description 50
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 239000002253 acid Substances 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000005406 washing Methods 0.000 claims abstract description 12
- 238000002347 injection Methods 0.000 claims abstract description 8
- 239000007924 injection Substances 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 14
- 230000003287 optical effect Effects 0.000 claims description 10
- 238000005554 pickling Methods 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 15
- 150000003568 thioethers Chemical class 0.000 abstract description 10
- 239000013049 sediment Substances 0.000 description 24
- 238000003756 stirring Methods 0.000 description 15
- 239000003921 oil Substances 0.000 description 9
- 239000011259 mixed solution Substances 0.000 description 8
- 239000012530 fluid Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000010779 crude oil Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G17/00—Refining of hydrocarbon oils in the absence of hydrogen, with acids, acid-forming compounds or acid-containing liquids, e.g. acid sludge
- C10G17/02—Refining of hydrocarbon oils in the absence of hydrogen, with acids, acid-forming compounds or acid-containing liquids, e.g. acid sludge with acids or acid-containing liquids, e.g. acid sludge
- C10G17/04—Liquid-liquid treatment forming two immiscible phases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/82—Combinations of dissimilar mixers
- B01F33/821—Combinations of dissimilar mixers with consecutive receptacles
- B01F33/8212—Combinations of dissimilar mixers with consecutive receptacles with moving and non-moving stirring devices
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/201—Impurities
- C10G2300/202—Heteroatoms content, i.e. S, N, O, P
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses a desulfurizing device for safe production of naphtha, which belongs to the field of naphtha desulfurization, and comprises a desulfurizing box, wherein the desulfurizing box comprises a converging pipe, a double-port liquid injection pipe is arranged at the upper surface of the desulfurizing box close to the left end, a plurality of groups of acid washing mechanisms are arranged in the desulfurizing box, the acid washing mechanisms are used for removing sulfides in the naphtha, and the acid washing mechanisms comprise a flow guide box, a vortex block, a communication groove, a streamline groove and a water outlet; the spoiler sets up for the multiunit, and multiunit spoiler evenly distributed is on the interior diapire of water conservancy diversion box. When the mixed liquid flows, the mixed liquid is divided into a plurality of small unit volumes, mixed and stirred for each group of small unit volumes, then the mixed liquid is assembled again, and the mixed liquid is scattered and mixed after the mixed liquid is assembled, so that the mixing efficiency and the reaction rate of the acid liquid and the naphtha are greatly improved, and the desulfurization efficiency of the naphtha is also improved.
Description
Technical Field
The invention relates to the field of naphtha desulfurization, in particular to a desulfurization device for safe production of naphtha.
Background
Naphtha is a chemical raw material processed from crude oil or other raw materials, also called chemical light oil and crude gasoline, and is a light oil, wherein various sulfides such as mercaptan, thioether, disulfide and the like are contained in the crude oil, and are decomposed and converted into other forms of sulfides such as hydrogen sulfide in the petroleum processing process, if the desulfurization process in the processing process is imperfect, the sulfides remain in the naphtha, the sulfides in the naphtha can come from other sources such as catalysts, additives and the like, the sulfides in the naphtha can influence the quality of the naphtha, and the sulfides in the naphtha need to be removed.
In the prior art, sulfide in naphtha is removed generally by adopting an acid washing mode, for example, a naphtha raw material desulfurization acid washing device disclosed in China patent, and the application number is as follows: 2019224576904 acid liquor and naphtha are stirred through a stirring rod in the publication, the acid liquor and naphtha can be mixed through stirring, but the acid liquor and the naphtha are required to be fully mixed, part of mixed liquor can flow against the inner wall of an acid washing tank in the stirring process, the mixed liquor is difficult to stir by the stirring rod, the reaction of the acid liquor and the naphtha is influenced, if the stirring effect is increased through forward and backward rotation of the stirring rod, excessive stirring can easily be caused, excessive stirring can possibly lead to excessive dispersion of reactants, the local concentration is too low, the reaction rate and the stability are influenced, in addition, sediment can be generated by the reaction of the acid liquor and the naphtha, the stirring pressure of the stirring rod can be increased due to the generation of the sediment, the stress of the stirring rod is gradually increased along with the increase of the sediment, and the equipment abrasion and the stirring operation difficulty can be increased.
In view of the above-mentioned shortcomings, the present invention is improved and optimized based on the prior art naphtha desulfurization apparatus, and a desulfurization apparatus for safe production of naphtha is developed.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention aims to provide the desulfurization device for the safe production of the naphtha, which can divide the mixed liquid into a plurality of small unit volumes when the mixed liquid flows, then mix and stir the mixed liquid of each group of small unit volumes, then assemble again, and scatter and mix after assembling, thus the design greatly improves the mixing efficiency and the reaction rate of the acid liquid and the naphtha, and simultaneously improves the desulfurization efficiency of the naphtha.
In order to solve the problems, the invention adopts the following technical scheme.
The desulfurizing device for the safe production of naphtha comprises a desulfurizing box, wherein a converging pipe is arranged on the upper surface of the desulfurizing box near the left end, a double-port liquid injection pipe is arranged at the upper end of the converging pipe, a plurality of groups of acid washing mechanisms are arranged in the desulfurizing box and used for removing sulfides in the naphtha, and each acid washing mechanism comprises a flow guide box, a vortex block, a communicating groove, a streamline groove and a water outlet;
the vortex piece is the multiunit setting, and multiunit vortex piece evenly distributed is on the interior diapire of water conservancy diversion box, the outlet has been seted up to the position that is close to the right-hand member in the interior bottom of water conservancy diversion box, the one end that the outlet was seted up to the water conservancy diversion box is the afterbody, the one end that the outlet was kept away from to the water conservancy diversion box is the head, multiunit the water conservancy diversion box head links to each other with the afterbody, and multiunit the water conservancy diversion box is top-down setting, and the lower extreme opening of converging the pipe is located the head upper position of water conservancy diversion box, multiunit the water conservancy diversion box all is the slope setting, the intercommunication groove has been seted up in the inside of vortex piece, streamline groove has still been seted up to the inside of vortex piece, streamline groove and intercommunication groove each other.
Further, the pickling mechanism also comprises a reciprocating screw rod, a chain wheel, a chain, an optical axis, a shielding plate and a connecting column;
the inner wall of water conservancy diversion box installs two sets of optical axes, the side surface sliding connection of optical axis has the shielding plate, the lower terminal surface fixedly connected with multiunit evenly distributed's of shielding plate spliced pole, the lower extreme and the corresponding vortex piece fixed connection of spliced pole, the inside screw drive of shielding plate is connected with reciprocal lead screw, the one end of reciprocal lead screw runs through the lateral wall of water conservancy diversion box and fixedly connected with sprocket, multiunit sprocket side surface engagement is connected with the chain, the outside of desulfurization case is provided with actuating mechanism, actuating mechanism runs through the lateral wall of desulfurization case and is connected with the sprocket that corresponds, actuating mechanism is used for driving the sprocket and rotates.
Further, the driving mechanism comprises a driving motor, a first gear, a second gear and a first connecting shaft;
the driving motor is arranged on the outer side wall of the desulfurization box, an output shaft of the driving motor penetrates through the side wall of the desulfurization box and is fixedly connected with a first gear, a second gear is connected to the upper end side edge of the first gear in a meshed mode, a first connecting shaft is fixedly connected to the center position of the outer surface of one side of the second gear, and one end, far away from the second gear, of the first connecting shaft penetrates through the side wall of the guide box and is fixedly connected with a corresponding reciprocating screw rod.
Further, the lower extreme fixedly connected with separation chamber of desulfurization case, the outlet department that a set of water conservancy diversion box was connected with the filter tube in the lower extreme, the one end that the filter tube was kept away from the outlet runs through the lateral wall of separation chamber and extends to outside.
Further, a side fixedly connected with second connecting axle of driving motor is kept away from to first gear, the one end fixedly connected with worm of first gear is kept away from to the second connecting axle, the lower extreme meshing of worm is connected with the worm wheel ring, the worm wheel ring rotates with the outer wall of filter tube and is connected, the inside of filter tube is provided with the fixed axle, the side surface fixedly connected with helical blade of fixed axle, the interior rampart of worm wheel ring and the helical blade side fixed connection that corresponds.
Further, the spiral blade is gradually thinned from right to left in a winding mode.
Further, the filter tube is composed of a metal tube and filter cotton, the filter cotton is wrapped on the outer wall of the metal tube, and the side wall of the metal tube is of a net-shaped structure design.
Further, one end, away from the outlet, of the bottom in the diversion box is fixedly connected with a plurality of groups of diversion blocks, the diversion blocks are in a triangular design, the plurality of groups of diversion blocks are uniformly distributed, and the left end of the turbulence block is in an arc-shaped structural design.
Further, the inside of gathering pipe is provided with the pivot, the upper end of pivot is connected with the inner wall rotation of two mouthful notes liquid pipes, the side surface fixedly connected with multiunit evenly distributed's inclined plane blade of pivot.
Further, the lower end of the separation chamber is in a furling design, a liquid discharge pipe is arranged at the lower end of the separation chamber, and an oil discharge pipe is arranged at the position, close to the liquid discharge pipe, of the side surface of the separation chamber.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the scheme, when the mixed solution flows, the mixed solution is divided into a plurality of small unit volumes, then the mixed solution with each group of small unit volumes is mixed and stirred, then the mixed solution is assembled again, and the mixed solution is scattered and mixed after the mixed solution is assembled, so that the mixing efficiency and the reaction rate of the acid solution and the naphtha are greatly improved, and meanwhile, the desulfurization efficiency of the naphtha is also improved.
(2) This scheme can drive spliced pole and vortex piece and remove in step when carrying out the removal of round trip through the shielding plate, and the vortex piece can prevent when carrying out round trip movement that the sediment remains between the vortex piece two by two and influences the flow of mixed liquor, in addition, the vortex piece can also increase the vortex to the mixed liquor when round trip movement, improves the reaction of acidizing fluid and naphtha.
(3) The sediment can be carried to the mouth of pipe department of filter tube to this scheme when helical blade rotates, and the discharge sediment that like this can be timely avoids the sediment to block up the filter tube, and influences the problem of filtration efficiency.
(4) According to the scheme, when the spiral blade conveys the sediment, the winding mode of the spiral blade is gradually dense, the conveyed sediment can be gradually extruded, liquid in the sediment can be separated, and acid liquor and naphtha after reaction can be collected to the greatest extent.
Drawings
FIG. 1 is an overall structural external view of the present invention;
FIG. 2 is a view showing the inside of the desulfurization tank of the present invention;
FIG. 3 is a bottom view of the bottom of the separation chamber of the present invention;
FIG. 4 is a view showing the inside of the baffle box of the present invention;
FIG. 5 is a cross-sectional view of the interior of the spoiler of the present invention;
FIG. 6 is an illustration of a desulfurization mechanism of the present invention;
FIG. 7 is a side elevational view of the desulfurization mechanism of the present invention;
FIG. 8 is a side elevational view of the drive mechanism of the present invention;
FIG. 9 is a lower end view of the cover plate of the present invention;
FIG. 10 is an illustration of the interior of a filter tube of the present invention;
FIG. 11 is a cross-sectional view of the interior of a converging tube of the present invention;
FIG. 12 is an illustration of a shaft and bevel blade of the present invention.
The reference numerals in the figures illustrate:
1. a double-port liquid injection pipe; 2. a converging tube; 3. a desulfurization tank; 4. a diversion box; 5. a spoiler; 6. a communication groove; 7. a streamline groove; 8. a water outlet; 9. a shunt block; 10. a driving motor; 11. a first gear; 12. a second gear; 13. a first connecting shaft; 14. a reciprocating screw rod; 15. a sprocket; 16. a chain; 17. an optical axis; 18. a cover plate; 19. a connecting column; 20. a filter tube; 21. a second connecting shaft; 22. a worm; 23. a worm gear ring; 24. a helical blade; 25. a rotating shaft; 26. inclined plane blade; 27. a separation chamber; 28. an oil drain pipe; 29. a liquid discharge pipe; 30. and a fixed shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
Referring to fig. 1 to 5 and 11 to 12, a desulfurizing device for safe production of naphtha comprises a desulfurizing box 3, wherein a converging pipe 2 is arranged on the upper surface of the desulfurizing box 3 near the left end, a double-mouth liquid injection pipe 1 is arranged on the upper end of the converging pipe 2, a rotating shaft 25 is arranged in the converging pipe 2, the upper end of the rotating shaft 25 is rotationally connected with the inner wall of the double-mouth liquid injection pipe 1, a plurality of groups of inclined blades 26 which are uniformly distributed are fixedly connected with the side surface of the rotating shaft 25, a plurality of groups of pickling mechanisms are arranged in the desulfurizing box 3 and used for removing sulfides in naphtha, and each pickling mechanism comprises a flow guiding box 4, a vortex block 5, a communicating groove 6, a streamline groove 7 and a water outlet 8;
the vortex blocks 5 are arranged in a plurality of groups, the vortex blocks 5 are uniformly distributed on the inner bottom wall of the flow guiding box 4, a water outlet 8 is formed in the position, close to the right end, of the inner bottom of the flow guiding box 4, one end, close to the water outlet 8, of the flow guiding box 4 is a tail, one end, far away from the water outlet 8, of the flow guiding box 4 is a head, the heads and the tails of the flow guiding boxes 4 are connected, the flow guiding boxes 4 are arranged from top to bottom, the lower end opening of the converging pipe 2 is positioned above the head of the flow guiding box 4, the flow guiding boxes 4 are obliquely arranged, a communication groove 6 is formed in the inner portion of the vortex block 5 in a penetrating manner, a streamline groove 7 is formed in the inner portion of the vortex block 5, and the streamline groove 7 and the communication groove 6 are mutually communicated;
one end, away from the water outlet 8, of the inner bottom of the diversion box 4 is fixedly connected with a plurality of groups of diversion blocks 9, the diversion blocks 9 are in triangular design, the groups of diversion blocks 9 are uniformly distributed, and the left end of the vortex block 5 is in arc-shaped structural design.
When the naphtha is required to be subjected to acid washing desulfurization, acid liquor is injected into a first pipe orifice of the double-port liquid injection pipe 1, meanwhile, naphtha to be desulfurized is injected into a second pipe orifice, the naphtha to be desulfurized flows into the converging pipe 2 and is converged, the naphtha flows downwards, the naphtha passes through the inclined plane blades 26 and pushes the inclined plane blades 26 to rotate when flowing, meanwhile, the rotating shaft 25 is driven to rotate, the mixed naphtha and the acid liquor are stirred when the inclined plane blades 26 rotate, the naphtha and the acid liquor are primarily mixed, finally, the naphtha and the acid liquor are discharged into the diversion box 4 and flow downwards along the inclined plane of the diversion box 4, the mixed liquor flowing can be split by the splitting block 9 when flowing, the mixed liquor is quickly spread, the mixed liquor is prevented from being higher than the turbulent flow block 5, then the mixed liquor continuously flows again and can pass through the turbulent flow block 5, the outer arc surface of the vortex block 5 gathers the mixed liquid, the two liquids are further mixed with each other when the mixed liquid gathers, then the mixed liquid enters from the left end port of the communicating groove 6, enters into the streamline groove 7 along the communicating groove 6 and disperses, flows along the inner wall of the streamline groove 7, finally gathers again at the right end of the streamline groove 7, and forms the vortex, thus further accelerating the mixing of the two liquids, finally discharges from the right end of the vortex block 5, the discharged mixed liquid gathers again after dispersing and enters into the interior of the next group of vortex block 5 until flowing to the water outlet 8 to enter into the next group of pickling mechanism for pickling operation again, the invention aims to divide the mixed liquid into a plurality of small units of volume when the mixed liquid flows, and mix and stir the mixed liquid of each group of small units of volume, then the mixture is assembled again, and the mixture is scattered and mixed after the mixture is assembled, so that the mixing efficiency and the reaction rate of the acid liquor and the naphtha are greatly improved by the design, and the desulfurization efficiency of the naphtha is also improved.
In addition, a heating plate can be additionally arranged at the bottom of the diversion box 4, and the reaction rate of the acid liquor and the naphtha can be further improved by heating the flowing mixed liquor.
As shown in fig. 2 to 9, the pickling mechanism further comprises a reciprocating screw 14, a sprocket 15, a chain 16, an optical axis 17, a cover plate 18 and a connecting column 19;
two groups of optical axes 17 are installed on the inner wall of the flow guiding box 4, a shielding plate 18 is slidably connected to the side surfaces of the optical axes 17, a plurality of groups of evenly distributed connecting columns 19 are fixedly connected to the lower end face of the shielding plate 18, the lower ends of the connecting columns 19 are fixedly connected with corresponding spoilers 5, a reciprocating screw rod 14 is connected to the inner threads of the shielding plate 18 in a transmission mode, one end of the reciprocating screw rod 14 penetrates through the side wall of the flow guiding box 4 and is fixedly connected with a chain wheel 15, a plurality of groups of chain wheels 15 are connected with chains 16 in a meshed mode through the side surfaces of the chain wheels 15, a driving mechanism is arranged outside the desulfurization box 3 and penetrates through the side wall of the desulfurization box 3 and is connected with the corresponding chain wheels 15, and the driving mechanism is used for driving the chain wheels 15 to rotate.
As shown in fig. 2 to 9, the driving mechanism includes a driving motor 10, a first gear 11, a second gear 12, and a first connecting shaft 13;
the driving motor 10 is arranged on the outer side wall of the desulfurization box 3, an output shaft of the driving motor 10 penetrates through the side wall of the desulfurization box 3 and is fixedly connected with the first gear 11, a second gear 12 is connected to the side edge of the upper end of the first gear 11 in a meshed mode, a first connecting shaft 13 is fixedly connected to the center position of the outer surface of one side of the second gear 12, and one end, far away from the second gear 12, of the first connecting shaft 13 penetrates through the side wall of the guide box 4 and is fixedly connected with a corresponding reciprocating screw rod 14.
When the acid washing desulfurization is carried out, the reaction of naphtha and acid liquor can generate sediment, if the spoiler 5 is in a static state all the time, sediment can remain at the position between every two spoiler 5, and the flow of mixed liquor is influenced, the invention drives the first gear 11 to rotate through the driving motor 10, the second gear 12 is driven to rotate when the first gear 11 rotates, the second gear 12 drives the first connecting shaft 13 to rotate when rotating, the first connecting shaft 13 drives the reciprocating screw 14 fixed with the first connecting shaft to rotate when rotating, the reciprocating screw 14 drives the chain wheel 15 when rotating, the chain wheel 15 drives the chain 16 to rotate when rotating, the chain 16 drives the groups of chain wheels 15 to synchronously rotate when moving, and simultaneously drives the corresponding reciprocating screw 14 to rotate, the reciprocating screw 14 drives the shielding plate 18 to move back and forth along the reciprocating screw 14, the shielding plate 18 drives the connecting column 19 and the spoiler 5 to synchronously move back and forth when moving back and forth, the spoiler 5 can prevent the sediment between every two spoiler 5 from influencing the flow of mixed liquor, and the problem of the spoiler 5 can also be solved when the spoiler moves back and forth, and the mixed liquor can be increased when the spoiler moves back and forth, and the spoiler is mixed liquor can also reacted.
As shown in fig. 2 and 7, the lower end of the desulfurization box 3 is fixedly connected with a separation chamber 27, a group of water outlets 8 at the lowest end of the diversion box 4 are connected with a filter pipe 20, and one end of the filter pipe 20 away from the water outlets 8 penetrates through the side wall of the separation chamber 27 and extends to the outside.
The desulfurized mixed liquor flows into the filter tube 20, the liquid in the filter tube 20 flows downwards through the filter tube 20, enters the separation chamber 27 and automatically collects the mixed liquor, and as the mixed liquor continuously impacts the sediments, the sediments are finally discharged from the pipe orifice of the filter tube 20.
As shown in fig. 7 and 10, a side surface of the first gear 11 far away from the driving motor 10 is fixedly connected with a second connecting shaft 21, one end of the second connecting shaft 21 far away from the first gear 11 is fixedly connected with a worm 22, the lower end of the worm 22 is in meshed connection with a worm wheel ring 23, the worm wheel ring 23 is in rotary connection with the outer wall of the filter tube 20, a fixed shaft 30 is arranged in the filter tube 20, a spiral blade 24 is fixedly connected with the side surface of the fixed shaft 30, and the inner annular wall of the worm wheel ring 23 is fixedly connected with the side edge of the corresponding spiral blade 24.
The first gear 11 can drive the second connecting axle 21 and rotate when rotating, and the second connecting axle 21 can drive worm 22 and rotate when rotating, and worm 22 can drive the worm wheel ring 23 that the meshing is connected to rotate when rotating, and worm wheel ring 23 can drive helical blade 24 and fixed axle 30 and rotate in step when rotating, and helical blade 24 and fixed axle 30 can carry the deposit to filter tube 20's mouth of pipe department when rotating, and the discharge deposit that like this can be timely avoids the deposit to block up filter tube 20, and influences filtration efficiency's problem.
As shown in fig. 10, the spiral blade 24 is gradually thickened from right to left, and when the spiral blade 24 conveys the sediment, the spiral blade 24 is gradually thickened and can gradually squeeze the conveyed sediment, so that the liquid in the sediment can be separated, and the reacted acid liquid and naphtha can be collected to the maximum extent.
As shown in fig. 10, the filter tube 20 is composed of a metal tube and filter cotton, the filter cotton is wrapped on the outer wall of the metal tube, and the side wall of the metal tube is designed to be a net structure.
The intensity of filter tube 20 can be guaranteed to the tubular metal resonator adoption, and the tubular metal resonator adopts the network structure design, is in order to guarantee that liquid can pass the tubular metal resonator, uses the filter pulp because the filter effect of filter pulp is good, and the filter pulp parcel is compared in the filter pulp setting at the inner wall of tubular metal resonator at the outer wall of tubular metal resonator, can avoid helical blade 24 friction filter pulp when rotating, and leads to the damaged problem of filter pulp.
As shown in fig. 3, the lower end of the separation chamber 27 is of a folded design, a drain pipe 29 is mounted at the lower end of the separation chamber 27, and an oil drain pipe 28 is mounted on the side surface of the separation chamber 27 at a position close to the drain pipe 29.
Because acidizing fluid and naphtha incompatibility, mixed liquor can carry out the layering after immersing for a period, the acidizing fluid is located the lower floor of naphtha, can open the acidizing fluid after the drain pipe 29 discharges the reaction this moment, after the acidizing fluid is discharged, close drain pipe 29, open oil drain pipe 28 this moment, the naphtha after the desulfurization can be discharged from oil drain pipe 28, so the reason that does not discharge naphtha from drain pipe 29, because the inner wall of drain pipe 29 has remaining acidizing fluid, directly discharge naphtha from drain pipe 29, can cause that the naphtha of discharge contains a small amount of acidizing fluid in, influence the quality of naphtha, in addition, the lower extreme of separation chamber 27 is the design of drawing in, so can be convenient for the discharge of liquid.
Working principle: when the naphtha is required to be subjected to pickling desulfurization, acid liquor is injected into a first pipe orifice of the double-port liquid injection pipe 1, meanwhile, naphtha to be desulfurized is injected into a second pipe orifice, the naphtha to be desulfurized flows into the converging pipe 2 and is converged, the naphtha flows downwards, the inclined blades 26 are pushed to rotate while flowing, the rotating shaft 25 is driven to rotate, the mixed naphtha and the acid liquor are stirred when the inclined blades 26 rotate, the mixed naphtha and the acid liquor are primarily mixed, finally discharged into the diversion box 4 and flow downwards along the inclined surface of the diversion box 4, the mixed liquor flows downwards through the diversion block 9 when flowing, the diversion block 9 can divert the flowing mixed liquor, so that the mixed liquor is prevented from spreading rapidly, the mixed liquor is prevented from being higher than the vortex block 5, then flows continuously and flows through the vortex block 5, the mixed liquor is converged on the outer arc surface of the vortex block 5, the mixed liquor is further mixed mutually when converging, then enters from the left port of the communicating groove 6, enters into the streamline 7 along the communicating groove and is dispersed in the streamline 7, flows downwards along the inclined surface of the diversion box 4, and finally flows out of the vortex block 7 again until the mixed liquor flows into the streamline mechanism at the right end of the diversion block 8, and finally flows out of the streamline mechanism again after the two groups;
when the pickling desulfurization is carried out, the driving motor 10 is started, the driving motor 10 can drive the first gear 11 to rotate, the first gear 11 can drive the second gear 12 to rotate, the second gear 12 can drive the first connecting shaft 13 to rotate when rotating, the first connecting shaft 13 can drive the reciprocating screw rod 14 fixed with the first connecting shaft to rotate, the reciprocating screw rod 14 can drive the chain wheel 15 when rotating, the chain wheel 15 can drive the chain 16 to rotate when rotating, the chain 16 can drive the plurality of groups of chain wheels 15 to synchronously rotate when moving, the corresponding reciprocating screw rod 14 is simultaneously driven to rotate, the reciprocating screw rod 14 can drive the shielding plate 18 to move back and forth along the reciprocating screw rod 14 when rotating, the shielding plate 18 can drive the connecting column 19 and the spoiler 5 to synchronously move when moving back and forth, the spoiler 5 can prevent the problem that sediment remained between the two spoiler 5 affects the flow of a mixed solution, in addition, the spoiler 5 can also increase the reaction of a spoiler solution and naphtha when moving back and forth;
the mixed liquid after desulfurization flows into the filter tube 20, the liquid in the filter tube 20 flows downwards through the filter tube 20 and enters the separation chamber 27 to automatically collect the mixed liquid, in addition, the first gear 11 drives the second connecting shaft 21 to rotate when rotating, the second connecting shaft 21 drives the worm 22 to rotate when rotating, the worm 22 drives the worm wheel ring 23 in meshed connection to rotate when rotating, the worm wheel ring 23 drives the helical blade 24 to synchronously rotate with the fixed shaft 30, the helical blade 24 and the fixed shaft 30 can convey the sediment to the pipe orifice of the filter tube 20 when rotating, so that the sediment can be timely discharged, the helical blade 24 can gradually squeeze the conveyed sediment when conveying the sediment, the liquid in the sediment can be separated, and the acid liquid and naphtha after the reaction can be collected to the maximum extent;
after the mixed solution in the separation chamber 27 is kept still for a period of time, layering is carried out, acid liquor is located on the lower layer of naphtha, at the moment, the liquid discharge pipe 29 can be opened to discharge acid liquor after reaction, after the acid liquor is discharged, the liquid discharge pipe 29 is closed, at the moment, the oil discharge pipe 28 is opened, and the desulfurized naphtha can be discharged from the oil discharge pipe 28.
The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a desulfurization device is used in safe production of naphtha, includes desulfurization case (3), its characterized in that: a converging pipe (2) is arranged on the upper surface of the desulfurization box (3) close to the left end, a double-port liquid injection pipe (1) is arranged at the upper end of the converging pipe (2), a plurality of groups of acid washing mechanisms are arranged in the desulfurization box (3) and used for removing sulfide in naphtha, and each acid washing mechanism comprises a flow guide box (4), a spoiler (5), a communication groove (6), a streamline groove (7) and a water outlet (8);
the utility model discloses a vortex block, including vortex block (5), baffle box (4) are the multiunit setting, and multiunit baffle block (5) evenly distributed is on the interior diapire of baffle box (4), outlet (8) have been seted up to the position that the interior bottom of baffle box (4) is close to the right-hand member, the one end that outlet (8) was seted up to baffle box (4) is the afterbody, the one end that outlet (8) was kept away from to baffle box (4) is the head, multiunit baffle box (4) head links to each other with the afterbody, and multiunit baffle box (4) are top-down setting, the lower extreme opening of converging pipe (2) is located the head top position of baffle box (4), multiunit baffle box (4) all are the slope setting, communication groove (6) have been seted up in the inside of baffle box (5), streamlined groove (7) and communication groove (6) intercommunication each other.
2. The desulfurization device for safe production of naphtha according to claim 1, wherein: the pickling mechanism further comprises a reciprocating screw rod (14), a chain wheel (15), a chain (16), an optical axis (17), a shielding plate (18) and a connecting column (19);
two sets of optical axes (17) are installed to the inner wall of water conservancy diversion box (4), the side surface sliding connection of optical axis (17) has blanking plate (18), the lower terminal surface fixedly connected with multiunit evenly distributed spliced pole (19) of blanking plate (18), the lower extreme and the vortex piece (5) fixed connection that correspond of spliced pole (19), the inside screw drive of blanking plate (18) is connected with reciprocating screw (14), the lateral wall and the fixedly connected with sprocket (15) of water conservancy diversion box (4) are run through to the one end of reciprocating screw (14), multiunit sprocket (15) side surface meshing is connected with chain (16), the outside of desulfurization case (3) is provided with actuating mechanism, actuating mechanism runs through the lateral wall of desulfurization case (3) and is connected with sprocket (15) that correspond, actuating mechanism is used for driving sprocket (15) and rotates.
3. The desulfurization device for safe production of naphtha according to claim 2, characterized in that: the driving mechanism comprises a driving motor (10), a first gear (11), a second gear (12) and a first connecting shaft (13);
the driving motor (10) is installed on the lateral wall of the desulfurization box (3), an output shaft of the driving motor (10) penetrates through the lateral wall of the desulfurization box (3) and is fixedly connected with a first gear (11), a second gear (12) is connected to the upper end side edge of the first gear (11) in a meshed mode, a first connecting shaft (13) is fixedly connected to the center position of the outer surface of one side of the second gear (12), and one end, far away from the second gear (12), of the first connecting shaft (13) penetrates through the lateral wall of the diversion box (4) and is fixedly connected with a corresponding reciprocating screw rod (14).
4. A desulfurization device for the safe production of naphtha according to claim 3, characterized in that: the lower extreme fixedly connected with separation chamber (27) of desulfurization case (3), outlet (8) department that water conservancy diversion box (4) were a set of in lower extreme is connected with filter tube (20), the one end that outlet (8) were kept away from to filter tube (20) runs through the lateral wall of separation chamber (27) and extends to the outside.
5. The desulfurization device for safe production of naphtha according to claim 4, wherein: the utility model discloses a filter tube, including first gear (11), driving motor (10), first gear (11), second connecting axle (21) are kept away from to a side fixedly connected with of driving motor (10), one end fixedly connected with worm (22) that first gear (11) were kept away from to second connecting axle (21), the lower extreme meshing of worm (22) is connected with worm wheel ring (23), worm wheel ring (23) are connected with the outer wall rotation of filter tube (20), the inside of filter tube (20) is provided with fixed axle (30), side surface fixedly connected with helical blade (24) of fixed axle (30), the interior rampart of worm wheel ring (23) and corresponding helical blade (24) side fixed connection.
6. The desulfurization device for safe production of naphtha according to claim 5, wherein: the spiral blade (24) is gradually thinned from right to left in a winding mode.
7. A desulfurization device for the safe production of naphtha according to claim 4 or 5, characterized in that: the filter tube (20) consists of a metal tube and filter cotton, wherein the filter cotton is wrapped on the outer wall of the metal tube, and the side wall of the metal tube is designed to be a net structure.
8. The desulfurization device for safe production of naphtha according to claim 1, wherein: one end of the inner bottom of the diversion box (4) far away from the water outlet (8) is fixedly connected with a plurality of groups of diversion blocks (9), the diversion blocks (9) are in triangular design, the plurality of groups of diversion blocks (9) are uniformly distributed, and the left end of the vortex block (5) is in arc-shaped structural design.
9. The desulfurization device for safe production of naphtha according to claim 8, wherein: the inside of gathering pipe (2) is provided with pivot (25), the upper end of pivot (25) is connected with the inner wall rotation of two mouthful notes liquid pipe (1), the side surface fixedly connected with multiunit evenly distributed's inclined plane blade (26) of pivot (25).
10. The desulfurization device for safe production of naphtha according to claim 4, wherein: the lower extreme of separation chamber (27) is the design of drawing in, fluid-discharge tube (29) are installed to the lower extreme of separation chamber (27), oil drain pipe (28) are installed in the position that is close to fluid-discharge tube (29) of side surface of separation chamber (27).
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| CN202410025280.5A CN117511594B (en) | 2024-01-08 | 2024-01-08 | Desulfurizing device for safe production of naphtha |
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| KR20200091620A (en) * | 2019-01-23 | 2020-07-31 | (주)대현엔텍 | System for removing dust |
| CN112973540A (en) * | 2021-02-08 | 2021-06-18 | 嘉兴学院 | Mixed washing device of abandonment meal kitchen grease and hot water |
| CN216321187U (en) * | 2020-12-28 | 2022-04-19 | 南阳市中盈高分子材料有限公司 | Raw material mixing device for ink production |
| CN218174883U (en) * | 2022-11-08 | 2022-12-30 | 东营奥星石油化工有限公司 | Dechlorination device of naphtha |
| CN218642778U (en) * | 2022-09-15 | 2023-03-17 | 南通圣美智能科技有限公司 | Quenching device for metal production |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200091620A (en) * | 2019-01-23 | 2020-07-31 | (주)대현엔텍 | System for removing dust |
| CN216321187U (en) * | 2020-12-28 | 2022-04-19 | 南阳市中盈高分子材料有限公司 | Raw material mixing device for ink production |
| CN112973540A (en) * | 2021-02-08 | 2021-06-18 | 嘉兴学院 | Mixed washing device of abandonment meal kitchen grease and hot water |
| CN218642778U (en) * | 2022-09-15 | 2023-03-17 | 南通圣美智能科技有限公司 | Quenching device for metal production |
| CN218174883U (en) * | 2022-11-08 | 2022-12-30 | 东营奥星石油化工有限公司 | Dechlorination device of naphtha |
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| CN117511594B (en) | 2024-04-05 |
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