CN112280588A - Rectification separation device for light liquid paraffin and five-section rectification production process - Google Patents
Rectification separation device for light liquid paraffin and five-section rectification production process Download PDFInfo
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- CN112280588A CN112280588A CN202011252003.6A CN202011252003A CN112280588A CN 112280588 A CN112280588 A CN 112280588A CN 202011252003 A CN202011252003 A CN 202011252003A CN 112280588 A CN112280588 A CN 112280588A
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- fixedly connected
- liquid paraffin
- light liquid
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- 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
- C10G7/00—Distillation of hydrocarbon oils
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
- B01D3/146—Multiple effect distillation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
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- 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
- C10G73/00—Recovery or refining of mineral waxes, e.g. montan wax
- C10G73/40—Physical treatment of waxes or modified waxes, e.g. granulation, dispersion, emulsion, irradiation
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- 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)
- Dispersion Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
The invention relates to a rectification separation device of light liquid paraffin and a five-section rectification production process, wherein the separation device comprises a base and a processing box; the processing box is annularly and movably arranged above the base, a heater is fixedly connected to the inner side wall of the processing box, a connecting pipe is communicated with one side wall of the processing box, a blocking block is connected to the outer side wall of one end of the connecting pipe in a threaded manner, an L-shaped pipe is communicated with the other side wall of the processing box, a middle box is slidably connected to the vertical section of the L-shaped pipe, a circulation hole is formed in the vertical section of the L-shaped pipe located on the inner side of the middle box, a middle pipe is communicated with the middle box, a switch valve is installed on the middle pipe, a cylindrical joint is connected to one end, far away from the middle box, of the middle pipe in a threaded manner; the bearing plate is fixedly connected above the base, and the separation of light liquid paraffin in the liquid paraffin is realized through five-section rectification.
Description
Technical Field
The invention relates to the technical field of liquid paraffin rectification separation, in particular to a light liquid paraffin rectification separation device and a five-section rectification production process.
Background
The liquid paraffin (liquid paraffin for short) is paraffin containing normal paraffin obtained by using kerosene or diesel oil fraction as raw material and making adsorption separation by using molecular sieve or dewaxing by using isopropanol-urea or synthetic liquid paraffin produced in the course of coal/natural gas liquefaction. It is called liquid paraffin or liquid paraffin synthesized in coal/natural gas liquefaction process because it is transparent colorless or light yellow liquid at normal temperature. The liquid paraffin is called as transparent colorless or light yellow liquid at normal temperature, but the existing separation production device for light liquid paraffin generally does not realize multi-section separation of the liquid paraffin, so that the rectification separation of products with hydrocarbon components of C12-C15 is inconvenient to realize, and the rectification separation efficiency is reduced.
Disclosure of Invention
The invention aims to provide a light liquid paraffin rectifying and separating device, which aims to solve the problem that the existing light liquid paraffin separating and producing device in the background art generally does not realize multi-section separation of liquid paraffin.
In order to solve the technical problems, the invention adopts the technical scheme that: a rectification separation device for light liquid paraffin comprises a base and a processing box;
the processing box is annularly and movably arranged above the base, a heater is fixedly connected to the inner side wall of the processing box, a connecting pipe is communicated with one side wall of the processing box, the outer side wall of one end of the connecting pipe is in threaded connection with a blocking block, the other side wall of the processing box is communicated with an L-shaped pipe, the vertical section of the L-shaped pipe is in sliding connection with an intermediate box, the vertical section of the L-shaped pipe positioned on the inner side of the intermediate box is provided with a circulation hole, the intermediate box is communicated with an intermediate pipe, a switch valve is installed on the intermediate pipe, one end of the intermediate pipe, far away from the intermediate box, is in threaded connection with a cylindrical joint, and the cylindrical;
the processing box is characterized in that a bearing plate is fixedly connected to the upper portion of the base, a charging box is locked in the bearing plate, and the charging box is communicated with the processing box through a discharging pipe.
As a further scheme of the invention: the top end face of the base is downwards provided with an accommodating groove, the bottom of the accommodating groove is fixedly connected with a hydraulic rod, and the movable end of the hydraulic rod is fixedly connected to the bottom of the processing box;
and the top end face of the base is downwards provided with a jack for inserting an L-shaped pipe.
As a further scheme of the invention: the heat insulation plate is fixedly connected in the containing groove, a cavity filled with cooling liquid is formed in the heat insulation plate, a circular hole used for the movable end of the hydraulic rod to penetrate through is formed in the heat insulation plate, the heat insulation plate is made of heat insulation materials, and meanwhile, the heat generated in the processing box during working is reduced and is transmitted to the hydraulic rod due to the fact that the cooling liquid is filled in the cavity in the heat insulation plate.
As a further scheme of the invention: the ring channel has been seted up to the vertical section of L venturi tube, the equal fixedly connected with annular slab in upper and lower both ends of intermediate box, fixedly connected with and ring channel matched with sealing ring on the inside wall of annular slab, the sealing ring has realized the sealed effect between annular slab and the ring channel, has consequently realized the sealed effect at the relative intermediate box in-process of annular slab removal.
As a further scheme of the invention: the loading device comprises a loading plate, a material discharging pipe, a limiting barrel, a fixing bolt and a fixing bolt, wherein the inner side wall of the loading plate is fixedly connected with the limiting barrel, the material charging box is fixedly connected into the limiting barrel through the fixing bolt, when the material charging box needs to be installed in the limiting barrel, a worker places the material charging box into the limiting barrel and enables a vertical section at the top end of the material discharging pipe to be inserted into the material charging box, the fixing bolt is manually rotated, and the material; when the charging box needs to be separated from the limiting barrel, a worker manually rotates the fixing bolt, when the fixing bolt is separated from the charging box, the worker moves the charging box downwards and then moves the charging box leftwards to separate the discharging pipe from the charging box, so that the charging box can be conveniently taken out of the limiting barrel;
the charging box is internally provided with an annular box, and the charging box, the limiting barrel and the bearing plate are all provided with middle holes for the discharging pipe to pass through.
As a further scheme of the invention: a vertical section of the tapping pipe above the cartridge passing through and within the cartridge;
the inner side wall of the charging box is fixedly connected with an annular heat conducting plate, the interior of the charging box is divided by the annular heat conducting plate to form a charging cavity and a containing cavity for storing cooling liquid, the tops of the containing cavity and the charging cavity are both in threaded connection with a cylindrical block, and when the cooling liquid needs to be filled into the containing cavity, a worker manually rotates the cylindrical block above the containing cavity to take out the cylindrical block, so that the cooling liquid can be filled into the containing cavity; when the material in the cavity that charges is poured into to needs, the staff manually rotates the cylinder piece on the cavity that charges, can follow the cavity that charges and take out the material of collection.
As a further scheme of the invention: the upper surface of the bearing plate is fixedly connected with a feeding box, the bottom of the feeding box is provided with a feeding hole, the feeding hole is fixedly connected with a feeding pipe, one end of the feeding pipe penetrates through the bearing plate and is communicated with one of the processing boxes, and a worker places light liquid paraffin to be processed in the feeding box and flows into the processing boxes through the feeding pipe;
a box cover is arranged at an opening at the top end of the material inlet box.
As a further scheme of the invention: the inner side wall of the feeding box is connected with a sliding rod in a sliding mode, the sliding rod is fixedly connected with a blocking block corresponding to the feeding hole, the sliding rod is connected with a threaded rod in a rotating mode, the threaded rod is in threaded connection with a top plate of the feeding box, when light liquid paraffin in the feeding box needs to flow into the processing box, a worker manually rotates the threaded rod, the threaded rod drives the sliding rod to move, when the sliding rod moves upwards, the blocking block is separated from the feeding hole, and therefore the light liquid paraffin in the feeding box can flow into the processing box; staff reverse rotation threaded rod drives the slide bar through the threaded rod and moves down, realizes putty piece downstream at the in-process that the slide bar moved down, until the putty piece is located the feed opening and prevent that the light liquid paraffin in the feed box from flowing to in the feed tube, has reached the purpose that prevents in the feed box light liquid paraffin from flowing to the processing box.
As a further scheme of the invention: the threaded rod is fixedly connected with a rotating block at the end part of the threaded rod above the feeding box, and the threaded rod is convenient for workers to manually rotate through the rotating block.
As a further scheme of the invention: the inside wall of the feeding box is provided with a sliding chute for sliding connection of the sliding rod, and the sliding rod can slide upwards or downwards in the feeding box conveniently through the sliding chute.
A five-section rectification production process of light liquid paraffin is characterized by comprising the following steps: taking liquid wax as a raw material, enabling hydrocarbon components to be between C9 and C15, pressurizing the raw material liquid wax by a feed pump from a tank area, then firstly entering a rectification separation device of claim 1# 1 for rectification, and extracting a product, pumping a heavy fraction to the rectification separation device of claim 1# 2, after rectification separation, extracting a product, pumping a heavy fraction to the rectification separation device of claim 1# 3, after rectification separation, extracting a product, pumping a heavy fraction to the rectification separation device of claim 1# 4, after rectification separation, extracting a product, pumping a heavy fraction to the rectification separation device of claim 1# 5, and after rectification separation, extracting a product and environment-friendly liquid wax.
Compared with the prior art, the invention has the beneficial effects that:
the rectifying device of the invention is characterized in that a connecting pipe is communicated with one side wall of a processing box, the outer side wall of one end of the connecting pipe is in threaded connection with a block, the end of an intermediate pipe far away from the intermediate box is in threaded connection with a cylinder joint, the cylinder joint is matched with the connecting pipe, the connection between adjacent processing boxes is conveniently realized through the cylinder joint, a worker manually rotates the block on one processing box to remove the block from the connecting pipe, manually rotates the cylinder joint to connect one end of the cylinder joint to the intermediate pipe and connect the other end of the cylinder joint to the connecting pipe to realize the connection with the adjacent processing boxes, meanwhile, as the outer side wall of one end of the connecting pipe is provided with a first external thread, the inner side wall of the block is provided with a first internal thread matched with the first external thread, and simultaneously the block is provided with a sealing element, the block is connected to the connecting pipe to play a sealing role, and the outer side wall of one end of the, a second internal thread is formed in the inner side wall of the cylinder joint and matched with the second external thread, and meanwhile a sealing element is arranged on the cylinder joint, so that the cylinder joint is connected to the middle pipe to achieve a sealing effect.
The rectifying device is convenient for mounting and dismounting the charging box in the limiting barrel by fixedly connecting the charging box in the limiting barrel through the fixing bolt, a worker places the charging box in the limiting barrel and enables the vertical section at the top end of the discharging pipe to be inserted in the charging box, the fixing bolt is manually rotated, and the charging box is fixed in the limiting barrel through the fixing bolt; when the charging box is required to be separated from the limiting barrel, the fixing bolt is manually rotated by a worker, when the fixing bolt is separated from the charging box, the worker moves the charging box downwards, then moves the charging box leftwards, so that the discharging pipe is separated from the charging box, and the charging box is convenient to take out in the limiting barrel.
The rectifying device is respectively in threaded connection with the cylindrical blocks at the tops of the containing cavity and the charging cavity, so that cooling liquid and materials can be conveniently filled into the charging cavity in the containing cavity respectively; when the material in the cavity that charges is poured into to needs, the staff manually rotates the cylinder piece on the cavity that charges, can follow the cavity that charges and take out the material of collection.
The rectifying device is characterized in that a sliding rod is connected in the feeding box in a sliding mode, a blocking block is arranged on the sliding rod, so that the light liquid paraffin in the feeding box can be conveniently controlled to flow into the processing box; staff reverse rotation threaded rod drives the slide bar through the threaded rod and moves down, realizes putty piece downstream at the in-process that the slide bar moved down, until the putty piece is located the feed opening and prevent that the light liquid paraffin in the feed box from flowing to in the feed tube, has reached the purpose that prevents in the feed box light liquid paraffin from flowing to the processing box.
The rectifying device is characterized in that the L-shaped pipe is provided with an annular groove at the vertical section, the upper end and the lower end of the middle box are fixedly connected with the annular plates, and the inner side walls of the annular plates are fixedly connected with the sealing rings matched with the annular groove.
Drawings
FIG. 1 is a schematic view of a light liquid paraffin fractionation apparatus according to the present invention;
FIG. 2 is a schematic view showing the connection between a base and a processing box in the light liquid paraffin fractionating apparatus according to the present invention;
FIG. 3 is a plan view of a base in the rectifying and separating device for light liquid paraffin according to the present invention;
fig. 4 is a sectional view of a base in the rectifying and separating device for light liquid paraffin according to the present invention;
FIG. 5 is a plan view of a heat insulating plate in the light liquid paraffin rectifying and separating apparatus according to the present invention;
FIG. 6 is a schematic view showing the inside of a process cartridge in the rectifying and separating apparatus for light liquid paraffin according to the present invention;
FIG. 7 is a schematic view of the inside of an L-shaped pipe and an intermediate pipe in the rectifying and separating apparatus for light liquid paraffin according to the present invention;
FIG. 8 is a plan view showing an annular plate in the light liquid paraffin rectifying and separating apparatus of the present invention;
FIG. 9 is a bottom view of the carrying plate in the fractionating separation apparatus for light liquid paraffin according to the present invention;
FIG. 10 is a schematic view of the inside of a material-charging box and a limiting barrel of the light liquid paraffin rectifying and separating apparatus according to the present invention;
FIG. 11 is a schematic view of the inside of a top surface of a material-charging box of the rectifying and separating device for light liquid paraffin according to the present invention;
FIG. 12 is a schematic view showing the internal connection between a feed box and a feed pipe in the light liquid paraffin fractionation apparatus according to the present invention;
in the figure: 1. a base; 2. a process cartridge; 3. a heater; 4. a connecting pipe; 5. blocking; 6. an L-shaped tube; 7. a middle box; 8. a flow-through hole; 9. an intermediate pipe; 10. an on-off valve; 11. a cylinder joint; 12. a carrier plate; 13. a cartridge; 14. a discharge pipe; 15. accommodating grooves; 16. a hydraulic lever; 17. a heat insulation plate; 18. a cavity; 19. a circular hole; 20. a jack; 21. an annular groove; 22. an annular plate; 23. a seal ring; 24. a limiting barrel; 25. fixing the bolt; 26. a middle hole; 27. an annular heat conducting plate; 28. a charging chamber; 29. a receiving cavity; 30. a cylindrical block; 31. a feeding box; 32. a feed port; 33. a feed pipe; 34. a box cover; 35. a slide bar; 36. a material blocking block; 37. a threaded rod; 38. rotating the block; 39. a chute.
Detailed Description
The technical solution 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.
Example 1
Referring to fig. 1-12, a light liquid paraffin rectifying and separating apparatus includes a base 1 and a processing box 2. The processing box 2 is annularly and movably arranged above the base 1, the inner side wall of the processing box 2 is fixedly connected with the heater 3, the structure and the working principle of the heater 3 are known, and therefore detailed description is omitted here, one side wall of the processing box 2 is communicated with the connecting pipe 4, the outer side wall of one end of the connecting pipe 4 is in threaded connection with the blocking block 5, the outer side wall of one end of the connecting pipe 4 is provided with a first external thread, the inner side wall of the blocking block 5 is provided with a first internal thread matched with the first external thread, meanwhile, the blocking block 5 is provided with a sealing element, the blocking block 5 is connected with the connecting pipe 4 to play a sealing role, the other side wall of the processing box 2 is communicated with the L-shaped pipe 6, the vertical section of the L-shaped pipe 6 is in sliding connection with the middle box 7, the vertical section of the L-shaped pipe 6 positioned at the inner side of the middle box 7, one end of the middle pipe 9, which is far away from the middle box 7, is in threaded connection with a cylinder joint 11, the cylinder joint 11 is matched with the connecting pipe 4, a second external thread which is the same as the first external thread is arranged on the outer side wall of one end of the middle pipe 9, a second internal thread is arranged on the inner side wall of the cylinder joint 11, the second internal thread is matched with the second external thread, and meanwhile, a sealing element is arranged on the cylinder joint 11, so that the cylinder joint 11 is connected to the middle pipe 9 to play a role in sealing;
a loading plate 12 is fixedly connected to the upper part of the base 1, a cartridge 13 is locked in the loading plate 12, and the cartridge 13 is communicated with the processing cartridge 2 through an outlet pipe 14. The top end face of the base 1 is downwards provided with an accommodating groove 15, the bottom of the accommodating groove 15 is fixedly connected with a hydraulic rod 16, the movable end of the hydraulic rod 16 is fixedly connected to the bottom of the processing box 2, the structure and the working principle of the hydraulic rod 16 are known, so that detailed description is omitted, and the processing box 2 moves upwards or downwards when the hydraulic rod 16 works;
the top end face of the base 1 is provided with a jack 20 for inserting the L-shaped pipe 6. Fixedly connected with heat insulating board 17 in the holding tank 15, the cavity 18 that is equipped with the coolant liquid is seted up in the heat insulating board 17, sets up the circular port 19 that is used for hydraulic stem 16 loose end to pass on the heat insulating board 17, and heat insulating board 17 is thermal insulation material, because the coolant liquid is equipped with in the cavity 18 in the heat insulating board 17 simultaneously, has reduced the heat that produces in the interior during operation of processing box 2 and has passed to hydraulic stem 16 on.
The inner side wall of the bearing plate 12 is fixedly connected with a limiting barrel 24, the charging box 13 is fixedly connected in the limiting barrel 24 through a fixing bolt 25, when the charging box 13 needs to be installed in the limiting barrel 24, a worker places the charging box 13 in the limiting barrel 24 and enables a vertical section of the top end of the discharging pipe 14 to be inserted in the charging box 13, the fixing bolt 25 is manually rotated, and the charging box 13 is fixed in the limiting barrel 24 through the fixing bolt 25; when it is desired to detach the cartridge 13 from the restraining bucket 24, the worker manually turns the fixing bolt 25, and when the fixing bolt 25 is detached from the cartridge 13, the worker moves the cartridge 13 downward and then moves the cartridge 13 leftward to detach the tapping pipe 14 from the cartridge 13, thereby facilitating the removal of the cartridge 13 from the restraining bucket 24;
the cartridge 13 is an annular cartridge, and the cartridge 13, the limiting barrel 24 and the carrying floor 12 are provided with intermediate openings 26 through which the tapping pipe 14 passes. A vertical section of the tapping pipe 14 located above the cartridge 13 passes through and is located inside the cartridge 13.
An annular heat conduction plate 27 is fixedly connected to the inner side wall of the charging box 13, the interior of the charging box 13 is divided by the annular heat conduction plate 27 to form a charging cavity 28 and a containing cavity 29 for storing cooling liquid, the tops of the containing cavity 29 and the charging cavity 28 are both in threaded connection with a cylindrical block 30, when the cooling liquid needs to be filled into the containing cavity 29, a worker manually rotates the cylindrical block 30 above the containing cavity 29 to take out the cylindrical block 30, and then the cooling liquid can be filled into the containing cavity 29; when it is desired to empty the material into the charging chamber 28, the operator manually rotates the cylindrical block 30 on the charging chamber 28 to remove the collected material from the charging chamber 28.
The upper surface of the bearing plate 12 is fixedly connected with a feeding box 31, the bottom of the feeding box 31 is provided with a feeding hole 32, the feeding hole 32 is fixedly connected with a feeding pipe 33, one end of the feeding pipe 33 penetrates through the bearing plate 12 and is communicated with one of the processing boxes 2, and a worker places light liquid paraffin to be processed in the feeding box 31 and flows into the processing boxes 2 through the feeding pipe 33;
a box cover 34 is arranged at the opening at the top end of the material inlet box 31. A sliding rod 35 is connected to the inner side wall of the feeding box 31 in a sliding manner, a blocking block 36 corresponding to the feeding hole 32 is fixedly connected to the sliding rod 35, a threaded rod 37 is connected to the sliding rod 35 in a rotating manner, the threaded rod 37 is in threaded connection with a top plate of the feeding box 31, when light liquid paraffin in the feeding box 31 needs to flow into the processing box 2, a worker manually rotates the threaded rod 37, the sliding rod 35 is driven to move through the threaded rod 37, and when the sliding rod 35 moves upwards, the blocking block 36 is separated from the feeding hole 32, so that the light liquid paraffin in the feeding box 31 can flow into the processing box 2; the worker reversely rotates the threaded rod 37, the threaded rod 37 drives the sliding rod 35 to move downwards, the blocking block 36 moves downwards in the process that the sliding rod 35 moves downwards until the blocking block 36 is located in the feeding hole 32 to prevent the light liquid paraffin in the feeding box 31 from flowing into the feeding pipe 33, and the purpose of preventing the light liquid paraffin in the feeding box 31 from flowing into the processing box 2 is achieved.
The end part of the threaded rod 37 positioned above the feeding box 31 is fixedly connected with a rotating block 38, and the threaded rod 37 is convenient for a worker to manually rotate through the rotating block 38. The inner side wall of the feeding box 31 is provided with a sliding chute 39 for the sliding connection of the sliding rod 35, and the sliding rod 35 can slide upwards or downwards in the feeding box 31 conveniently through the arrangement of the sliding chute 39.
When the invention is used, a worker numbers 5 processing boxes 2 in sequence, the number of the processing box connected with the feeding box 31 is the first processing box, and the number of the processing box connected with the first processing box is the second processing box, the third processing box, the fourth processing box and the fifth processing box in sequence.
A worker opens the box cover 34 from the feeding box 31, liquid wax serving as a raw material is put into the feeding box 31, hydrocarbon components of the liquid wax are between C9 and C15, the worker manually rotates the threaded rod 37, the threaded rod 37 drives the sliding rod 35 to move, when the sliding rod 35 moves upwards, the blocking block 36 is separated from the feeding hole 32, so that light liquid paraffin in the feeding box 31 flows into the processing box 2 communicated with the feeding pipe 33 through the feeding pipe 33, the heater 3 in the processing box 2 works to perform rectification separation on the liquid wax, products of the hydrocarbon components at C9 to C11 are distilled from the top of the tower and flow into the charging cavity 28 of the charging box 13 through the discharging pipe 14, the effect of condensation is achieved due to the fact that cooling liquid is filled in the containing cavity 29 in the charging box 13, then the worker manually rotates the blocking block 5, the blocking block 5 is taken off from the connecting pipe 4, the cylinder joint 11 is manually rotated, one end of a cylinder connector 11 is connected to the middle pipe 9, the other end of the cylinder connector is connected to the connecting pipe 4, connection with the second processing box is achieved, the hydraulic rod 16 works to achieve that the first processing box moves upwards, the middle box 7 is movably connected to the L-shaped pipe 6, the switch valve 10 is opened, products with hydrocarbon components of C12-C15 in the first processing box flow into the second processing box, when products with hydrocarbon components of C12-C15 in the first processing box completely flow into the second processing box, the hydraulic rod 16 works to achieve that the first processing box moves downwards.
The heater 3 in the second processing box works to realize the rectification separation of the product with the hydrocarbon component of C12-C15, the product flows into a charging cavity 28 of a charging box 13 communicated with the second processing box through a discharging pipe 14, the cooling liquid is filled in a containing cavity 29 in the charging box 13 to play a role of condensation, then a worker manually rotates the block 5 on the second processing box to remove the block 5 from the connecting pipe 4, manually rotates the cylinder joint 11 on the second processing box to ensure that one end of the cylinder joint 11 on the second processing box is connected on the intermediate pipe 9 and the other end is connected on the connecting pipe 4 to realize the connection with the third processing box, the hydraulic rod 16 works to realize the upward movement of the first processing box and the second processing box, the intermediate box 7 is movably connected on the L-shaped pipe 6, the switch valve 10 is opened to realize the flow of the product with the hydrocarbon component of C12 in the second processing box into the third processing box, when the product having the hydrocarbon composition of C13-C15 in the second cartridge completely flows into the third cartridge, the hydraulic lever 16 operates to move the first and second cartridges downward.
The heater 3 in the third processing box works to realize the rectification separation of the product with the hydrocarbon component of C13-C15, the product flows into a charging cavity 28 of a charging box 13 communicated with the third processing box through a discharging pipe 14, the cooling liquid is filled in a containing cavity 29 in the charging box 13 to play a role of condensation, then a worker manually rotates the block 5 on the third processing box to remove the block 5 from the connecting pipe 4, manually rotates the cylinder joint 11 on the third processing box to ensure that one end of the cylinder joint 11 on the third processing box is connected on the middle pipe 9 and the other end is connected on the connecting pipe 4 to realize the connection with the fourth processing box, the hydraulic rod 16 works to realize the upward movement of the first processing box, the second processing box and the third processing box, the middle box 7 is movably connected on the L-shaped pipe 6, the switch valve 10 is opened to realize the flow of the product with the hydrocarbon component of C13 in the third processing box into the fourth processing box, when the product with the hydrocarbon component of C14-C15 in the third processing box completely flows into the fourth processing box, the hydraulic rod 16 works to realize the downward movement of the first processing box, the second processing box and the third processing box.
The heater 3 in the fourth processing box works to realize the rectification separation of the product with the hydrocarbon component of C14-C15, the product flows into a charging cavity 28 of a charging box 13 communicated with the fourth processing box through a discharging pipe 14, the cooling liquid is filled in a containing cavity 29 in the charging box 13 to play a role of condensation, then a worker manually rotates the block 5 on the fourth processing box to remove the block 5 from the connecting pipe 4, manually rotates the cylinder joint 11 on the fourth processing box to ensure that one end of the cylinder joint 11 on the fourth processing box is connected on the middle pipe 9 and the other end is connected on the connecting pipe 4 to realize the connection with the fifth processing box, the hydraulic rod 16 works to realize the upward movement of the first processing box, the second processing box, the third processing box and the fourth processing box, the middle box 7 is movably connected on the L-shaped pipe 6, the switch valve 10 is opened to realize the flow of the product with the hydrocarbon component of C14 in the fourth processing box into the fifth processing box, when the product with the hydrocarbon component of C15 in the fourth cartridge completely flows into the fifth cartridge, the hydraulic lever 16 operates to move the first and second cartridges and the third and fifth cartridges downward.
Example 2
A five-section rectification production process of light liquid paraffin comprises the following steps: taking liquid wax as a raw material, enabling hydrocarbon components to be between C9 and C15, pressurizing the raw material liquid wax by a feed pump from a tank area, then, firstly, rectifying the raw material liquid wax in a No. 1 rectifying and separating device to obtain a product, pumping a heavy fraction to a No. 2 rectifying and separating device, after the rectifying and separating, obtaining the product, pumping the heavy fraction to a No. 3 rectifying and separating device, after the rectifying and separating, obtaining the product, pumping the heavy fraction to a No. 4 rectifying and separating device, after the rectifying and separating, obtaining the product, pumping the heavy fraction to a No. 5 rectifying and separating device, and after the rectifying and separating, obtaining the product and the environment-friendly liquid wax.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (10)
1. A light liquid paraffin's rectification separator which characterized in that: comprises a base (1) and a processing box (2);
the processing box (2) is annularly and movably arranged above the base (1), the inner side wall of the processing box (2) is fixedly connected with a heater (3), a connecting pipe (4) is communicated with one side wall of the processing box (2), the outer side wall of one end of the connecting pipe (4) is connected with a blocking block (5) in a threaded manner, the other side wall of the processing box (2) is communicated with an L-shaped pipe (6), the vertical section of the L-shaped pipe (6) is connected with an intermediate box (7) in a sliding way, the vertical section of the L-shaped pipe (6) positioned at the inner side of the intermediate box (7) is provided with a circulation hole (8), the middle box (7) is communicated with a middle pipe (9), the middle pipe (9) is provided with a switch valve (10), one end of the middle pipe (9) far away from the middle box (7) is in threaded connection with a cylindrical joint (11), and the cylindrical joint (11) is matched with the connecting pipe (4);
the processing box is characterized in that a bearing plate (12) is fixedly connected to the upper portion of the base (1), a charging box (13) is locked in the bearing plate (12), and the charging box (13) is communicated with the processing box (2) through a discharging pipe (14).
2. The apparatus for fractionating a light liquid paraffin according to claim 1, wherein: an accommodating groove (15) is formed in the top end face of the base (1) downwards, a hydraulic rod (16) is fixedly connected to the bottom of the accommodating groove (15), and the movable end of the hydraulic rod (16) is fixedly connected to the bottom of the processing box (2); the top end face of the base (1) faces downwards and is provided with a jack (20) for inserting the L-shaped pipe (6).
3. The apparatus for fractionating a light liquid paraffin according to claim 2, wherein: fixedly connected with heat insulating board (17) in holding tank (15), cavity (18) that are equipped with the coolant liquid have been seted up in heat insulating board (17), circular port (19) that are used for hydraulic stem (16) expansion end to pass have been seted up on heat insulating board (17).
4. The apparatus for fractionating a light liquid paraffin according to claim 1, wherein: annular groove (21) have been seted up to the vertical section of L venturi tube (6), the equal fixedly connected with annular slab (22) in upper and lower both ends of middle box (7), fixedly connected with and annular groove (21) matched with sealing ring (23) on the inside wall of annular slab (22).
5. The apparatus for fractionating a light liquid paraffin according to claim 1, wherein: the inner side wall of the bearing plate (12) is fixedly connected with a limiting barrel (24), and the charging box (13) is fixedly connected in the limiting barrel (24) through a fixing bolt (25); the charging box (13) is internally provided with an annular box, and the charging box (13), the limiting barrel (24) and the bearing plate (12) are all provided with middle holes (26) for the discharging pipe (14) to pass through.
6. The apparatus for fractionating a light liquid paraffin according to claim 1, wherein: a vertical section of the tapping pipe (14) located above the cartridge (13) passes through and inside the cartridge (13); fixedly connected with annular heat-conducting plate (27) on the inside wall of cartridge (13), the inside of cartridge (13) is cut apart through annular heat-conducting plate (27) and is formed charging chamber (28) and be used for storing accomodating chamber (29) of coolant liquid, the equal threaded connection in top of accomodating chamber (29) and charging chamber (28) has cylinder piece (30).
7. The apparatus for fractionating a light liquid paraffin according to claim 1, wherein: the upper surface of the bearing plate (12) is fixedly connected with a material inlet box (31), the bottom of the material inlet box (31) is provided with a material inlet hole (32), the material inlet hole (32) is fixedly connected with a material inlet pipe (33), and one end of the material inlet pipe (33) penetrates through the bearing plate (12) and is communicated with one of the processing boxes (2); a box cover (34) is arranged at the opening at the top end of the material inlet box (31).
8. The apparatus for fractionating a light liquid paraffin according to claim 7, wherein: the material feeding box is characterized in that a sliding rod (35) is connected to the inner side wall of the material feeding box (31) in a sliding mode, a blocking block (36) corresponding to the material feeding hole (32) is fixedly connected to the sliding rod (35), a threaded rod (37) is connected to the sliding rod (35) in a rotating mode, and the threaded rod (37) is connected with a top plate of the material feeding box (31) in a threaded mode.
9. The apparatus for fractionating a light liquid paraffin according to claim 8, wherein: the end part of the threaded rod (37) positioned above the material inlet box (31) is fixedly connected with a rotating block (38).
10. A five-section rectification production process of light liquid paraffin is characterized by comprising the following steps: taking liquid wax as a raw material, enabling hydrocarbon components to be between C9 and C15, pressurizing the raw material liquid wax by a feed pump from a tank area, then firstly entering a rectification separation device of claim 1# 1 for rectification, and extracting a product, pumping a heavy fraction to the rectification separation device of claim 1# 2, after rectification separation, extracting a product, pumping a heavy fraction to the rectification separation device of claim 1# 3, after rectification separation, extracting a product, pumping a heavy fraction to the rectification separation device of claim 1# 4, after rectification separation, extracting a product, pumping a heavy fraction to the rectification separation device of claim 1# 5, and after rectification separation, extracting a product and environment-friendly liquid wax.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011252003.6A CN112280588A (en) | 2020-11-11 | 2020-11-11 | Rectification separation device for light liquid paraffin and five-section rectification production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011252003.6A CN112280588A (en) | 2020-11-11 | 2020-11-11 | Rectification separation device for light liquid paraffin and five-section rectification production process |
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| CN112280588A true CN112280588A (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011252003.6A Pending CN112280588A (en) | 2020-11-11 | 2020-11-11 | Rectification separation device for light liquid paraffin and five-section rectification production process |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204840983U (en) * | 2015-07-20 | 2015-12-09 | 山西翔宇化工有限公司 | Three component batch distillation devices |
| CN109482116A (en) * | 2018-10-26 | 2019-03-19 | 惠州市强茂化工科技有限公司 | Polyacrylate tests consersion unit |
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2020
- 2020-11-11 CN CN202011252003.6A patent/CN112280588A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204840983U (en) * | 2015-07-20 | 2015-12-09 | 山西翔宇化工有限公司 | Three component batch distillation devices |
| CN109482116A (en) * | 2018-10-26 | 2019-03-19 | 惠州市强茂化工科技有限公司 | Polyacrylate tests consersion unit |
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| 张宏利: "液蜡分离单体烃工艺的研究", 《辽宁化工》 * |
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