CN112337124A - Dislocation preheating device for feeding pipe of molecular distillation equipment - Google Patents
Dislocation preheating device for feeding pipe of molecular distillation equipment Download PDFInfo
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- CN112337124A CN112337124A CN202011445312.5A CN202011445312A CN112337124A CN 112337124 A CN112337124 A CN 112337124A CN 202011445312 A CN202011445312 A CN 202011445312A CN 112337124 A CN112337124 A CN 112337124A
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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
- B01D3/12—Molecular distillation
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Abstract
The invention relates to the related technical field of molecular distillation, in particular to a staggered preheating device for a feeding pipe of molecular distillation equipment, which comprises a shell pipe, a first groove plate, a second groove plate, a first partition plate, a second partition plate, a liquid inlet pipeline, a liquid outlet pipeline and the like; the baffle, the leakage plate, the groove plate and the partition plate which are matched and connected with the outer wall of the feeding pipe form a plate frame, the shell pipe sleeved outside the plate frame and the end cover which forms a closed cavity by the feeding pipe, the plate frame and the shell pipe sleeved outside the plate frame, so that heat-conducting media regularly flow through the outer side wall of the feeding pipe, the baffles and the leakage plates in the plate frame are arranged in a staggered mode to form a plurality of spaces for storing the heat-conducting media, the passing time of the heat-conducting media is prolonged, a certain temperature is kept, and the feeding of the upper left liquid inlet and the lower right liquid inlet simultaneously can enable the feeding pipe to be heated more uniformly.
Description
Technical Field
The invention relates to the technical field related to molecular distillation, in particular to a staggered preheating device for a feeding pipe of molecular distillation equipment.
Background
Molecular distillation, also known as short path distillation, is a relatively new liquid-liquid separation technique that has not been widely used in industrial production, and its application can solve a number of problems that conventional distillation techniques cannot solve. A complete set of molecular distillation equipment mainly comprises a molecular evaporator, a degassing system, a feeding system, a heating system, a cooling vacuum system, a control system and the like.
In a particular application, a molecular distillation apparatus is used to couple a feed pipe and a heavies surge tank. In order to save energy and recycle heat energy, the prior art has a structure that the heat of the heavy component buffer tank can be collected through a heat-conducting medium and is used for preheating the feeding pipe, the heavy component buffer tank in the structure is respectively connected with two ends of the feeding pipe with a preheating cavity through two pipelines, and the collected heat is easy to dissipate in the pipelines.
Therefore, improvements are made to the above problems.
Disclosure of Invention
Therefore, the invention is made in view of the above problems, and the invention forms a plurality of spaces for storing the heat-conducting medium through the staggered arrangement of the baffle plates and the leakage plates in the plate frame, so that the passing time of the heat-conducting medium is prolonged, and the upper left liquid inlet and the lower right liquid inlet can simultaneously feed liquid to ensure that the feeding pipe is heated more uniformly, thereby solving the existing problems. The invention realizes the aim through the following technical scheme:
a staggered preheating device for a feeding pipe of molecular distillation equipment comprises a shell pipe, wherein a plate sliding groove is formed in the inner wall of the shell pipe, a first groove plate and a second groove plate are arranged inside an upper side plate sliding groove and a lower side plate sliding groove which are formed in the shell pipe, and a first partition plate and a second partition plate are arranged inside a left side plate sliding groove and a right side plate sliding groove which are formed in the shell pipe; the first groove plate and the second groove plate are fixedly connected in pairs through the upper and lower staggered bushing plates; a first connecting rod and a second connecting rod are respectively arranged on the inner sides of the grooves of the first groove plate and the second groove plate, and a first baffle and a second baffle are respectively fixedly connected to the inner sides of the first connecting rod and the second connecting rod; the first baffle and the second baffle are arranged in a staggered manner;
preferably, a through rod hole is formed in the top of the bushing plate, close to the first groove plate, a water through hole is formed right below the through rod hole, and a convex block is arranged below the water through hole; a through rod hole is formed in the bottom of the bushing plate close to the second groove plate, a water through hole is formed right above the through rod hole, and a convex block is arranged above the water through hole;
preferably, the first groove plate and the second groove plate are matched with the through rod hole to allow the first connecting rod and the second connecting rod to move;
preferably, a feeding pipe is arranged on the inner side of the bushing plate; the front end and the rear end of the shell pipe and the feed pipe are respectively provided with a first end cover and a second end cover; the left side and the right side of the outer shell pipe are respectively provided with a liquid outlet pipeline and a liquid inlet pipeline.
Preferably, the peripheries of the small-diameter sections of the first end cover and the second end cover are respectively provided with a first end cover sliding groove and a second end cover sliding groove; the first end cover sliding groove and the second end cover sliding groove are matched with the first groove plate and the second groove plate, and the front end and the rear end of the first partition plate are matched with the front end and the rear end of the second partition plate.
Preferably, the liquid inlet pipeline and the liquid outlet pipeline are communicated through three pipelines.
The invention has the following beneficial effects:
the baffle, the leakage plate, the groove plate and the partition plate which are matched and connected with the outer wall of the feeding pipe form a plate frame, the shell pipe sleeved outside the plate frame and the end cover which forms a closed cavity by the feeding pipe, the plate frame and the shell pipe sleeved outside the plate frame, so that heat-conducting media regularly flow through the outer side wall of the feeding pipe, the baffles and the leakage plates in the plate frame are arranged in a staggered mode to form a plurality of spaces for storing the heat-conducting media, the passing time of the heat-conducting media is prolonged, a certain temperature is kept, and the feeding of the upper left liquid inlet and the lower right liquid inlet simultaneously can enable the feeding pipe to be heated more uniformly.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic diagram of the left-end internal structure of the present invention.
FIG. 3 is a schematic view of the arrangement of baffles, bushing plates, fluted plates and spacer plates of the present invention.
Fig. 4 is a schematic structural view of the baffle plate and the connecting rod of the present invention.
FIG. 5 is a schematic view of the structure of the nozzle plate, the partition plate and the groove plate according to the present invention.
Fig. 6 is a schematic view of fig. 5 at a.
FIG. 7 is a schematic view of the housing tube and end cap configuration of the present invention.
Fig. 8 is a schematic diagram of the distribution of the liquid inlet pipeline and the liquid outlet pipeline of the invention.
Reference numerals: 1. a feed pipe; 2. a housing tube; 201. a plate chute; 3. a first baffle plate; 301. a first connecting rod; 4. a second baffle; 401. a second connecting rod; 5. a first groove plate; 6. a second groove plate; 7. a first separator; 8. a second separator; 9. a bushing; 901. a water through hole; 902. a bump; 903. a through rod hole; 10. a first end cap; 101. a first end cap chute; 11. a second end cap; 111. a second end cap chute; 12. a liquid inlet pipeline; 13. and (7) a liquid outlet pipeline.
Detailed Description
Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those embodiments can be easily implemented by those having ordinary skill in the art to which the present invention pertains. However, the present invention may be embodied in many different forms and is not limited to the embodiments described below. In addition, in order to more clearly describe the present invention, components not connected to the present invention will be omitted from the drawings.
As shown in fig. 1-8, a device for preheating a feed pipe of a molecular distillation apparatus in a staggered manner comprises a shell pipe 2, wherein a plate chute 201 for moving a first groove plate 5, a second groove plate 6, a first partition plate 7 and a second partition plate 8 is arranged on the inner wall surface of the shell pipe 2, and a liquid inlet pipeline 12 and a liquid outlet pipeline 13 are arranged on the outer wall surface of the shell pipe at the left side and the right side;
the shell pipe 2 is sleeved on the outer wall of the feeding pipe 1, a space is reserved between the inner wall of the shell pipe 2 and the outer wall of the feeding pipe 1, a first groove plate 5 and a second groove plate 6 which are distributed up and down are arranged in the space, and are fixedly connected with a first partition plate 7, a second partition plate 8 and a leakage plate 9 which are distributed left and right in the horizontal direction, and a first end cover 10 and a second end cover 11 are arranged at the front end and the rear end of the shell pipe 2 and the feeding pipe 1;
the bushing plate 9 is in a semicircular structure and is arranged in a vertically staggered manner, the inner diameter of the bushing plate is consistent with the outer diameter of the feeding pipe 1, and the outer diameter of the bushing plate is consistent with the inner diameter of the shell pipe 2;
a through rod hole 903 is formed in the top of the bushing 9 close to the first groove plate 5, a water through hole 901 is formed right below the through rod hole 903, a convex block 902 is formed below the water through hole 901, and a gap is reserved between every two of the through rod hole 903, the water through hole 901 and the convex block 902;
a through rod hole 903 is formed in the bottom of the bushing 9 close to the second groove plate 6, a water through hole 901 is formed right above the through rod hole 903, a convex block 902 is formed above the water through hole 901, and a gap is reserved between every two of the through rod hole 903, the water through hole 901 and the convex block 902;
the first groove plate 5 and the second groove plate 6 are matched with the through rod hole 903, so that the first connecting rod 301 and the second connecting rod 401 can move;
the first connecting rods 301 are fixedly connected with a plurality of first baffles 3 distributed along the transverse direction of the rod, the second connecting rods 401 are fixedly connected with a plurality of second baffles 4 distributed along the transverse direction of the rod, the first connecting rods 301 and the plurality of first baffles 3 form a whole, the second connecting rods 401 and the plurality of second baffles 4 form a whole, and the first connecting rods 301 and the second connecting rods 401 are arranged in the through rod holes 903;
the first baffle 3 and the second baffle 4 are in semicircular structures, the inner diameter of the first baffle is larger than the outer diameter of the feeding pipe 1, and the outer diameter of the first baffle is consistent with the inner diameter of the shell pipe 2; the first baffle 3 is arranged on the second baffle 4 in a staggered manner and is on the same horizontal plane with the bushing 9;
the number of the first baffle plates 3 and the second baffle plates 4 is one more than that of the leakage plates 9 distributed up and down, so that the liquid inlet and the liquid outlet are in the direction of the first baffle plates 3 and the second baffle plates 4;
the inner diameters of small diameter sections of a first end cover 10 and a second end cover 11 are consistent with the outer diameter of a feeding pipe 1, the outer diameter of the small diameter sections of the first end cover 10 and the second end cover 11 is consistent with the inner diameter of a shell pipe 2, a first end cover sliding groove 101 and a second end cover sliding groove 111 which are used for moving a first groove plate 5, a second groove plate 6, a first partition plate 7 and a second partition plate 8 are arranged on the outer wall surface of the small diameter sections, the diameters of large diameter sections of the first end cover 10 and the second end cover 11 are consistent with the outer diameter of the shell pipe 2, and the large diameter section and the small diameter section of the first end cover 10 and the second end cover 11 are integrated and;
the liquid inlet pipe 12 and the liquid outlet pipe 13 are communicated by three pipes, a liquid inlet at the upper left end and a liquid inlet at the lower right end are arranged at the left side of the outer wall of the outer shell pipe 2 one above the other, and the liquid can be distributed to the upper liquid inlet and the lower liquid inlet when the pipes which are transversely vertical feed liquid;
the upper right end liquid inlet and the lower left end liquid outlet are arranged on the right side of the outer wall of the outer shell pipe 2 one above the other, and the upper liquid outlet and the lower liquid outlet can be converged into a transverse vertical pipeline to discharge liquid;
in one embodiment, when the heat transfer medium is introduced, the first baffle 3 is pushed from left to right to abut against the bumps 902 distributed on the upper bushing plate 9, so that the space between the two plates is reduced, and the water through hole 901 on the bushing plate 9 is in clearance fit with the first baffle 3 with the inner diameter larger than the outer diameter of the feeding pipe 1 and the outer wall of the feeding pipe 1, so that the time for the heat transfer medium to pass through is prolonged;
similarly, the second baffle 4 is pushed from right to left to abut against the bumps 902 on the lower bushing plate 9, so that the space between the two plates is reduced, the water through hole 901 on the bushing plate 9 is in clearance fit with the second baffle 4 with the inner diameter larger than the outer diameter of the feeding pipe 1 and the outer wall of the feeding pipe 1, so that the time for the heat-conducting medium to pass through is prolonged, and the feeding pipe 1 is heated more uniformly by the upper, lower, left and right liquid feeding;
the working principle of the invention is as follows:
firstly, when heat-conducting medium enters a liquid inlet pipeline 12 and respectively flows into the upper part of the left end and the lower part of the right end, and the heat-conducting medium above the left end reaches a certain amount in a space formed by a first end cover 10, a first groove plate 5, a first partition plate 7, a second partition plate 8 and a first baffle plate 3, the first baffle plate 3 is pushed to move from left to right to abut against bumps 902 on a leakage plate 9 distributed above, the heat-conducting medium can only flow through a gap between the first baffle plate 3 and the outer wall of a feeding pipe 1, the inner diameter of which is larger than the outer diameter of the feeding pipe 1, and water through holes 901 on the leakage plate 9, at the moment, the flow passage of the heat-conducting medium is limited, the speed is reduced, and the heat-conducting medium above can flow out through a;
similarly, when the heat-conducting medium below the right end reaches a certain amount in the space formed by the second end cover 11, the first groove plate 5, the first partition plate 7, the second partition plate 8 and the second partition plate 4, the second partition plate 4 is pushed to move from right to left to abut against the projection 902 on the bushing 9, the heat-conducting medium can only flow through the gap between the second partition plate 4 with the inner diameter larger than the outer diameter of the feeding pipe 1 and the outer wall of the feeding pipe 1 and the water holes 901 distributed on the bushing 9 below, at this time, the flow passage of the heat-conducting medium is limited, the speed is slowed down, and the heat-conducting medium below can flow out through the liquid outlet pipeline 13 when flowing from the right end to the.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; they may be mechanically coupled, directly coupled, or indirectly coupled through intervening agents, both internally and/or in any other manner known to those skilled in the art. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a molecular distillation equipment inlet pipe dislocation preheating device, includes shell pipe (2), its characterized in that: the inner wall of the shell pipe (2) is provided with a plate sliding groove (201), a first groove plate (5) and a second groove plate (6) are arranged inside an upper side plate sliding groove (201) and a lower side plate sliding groove (201) which are arranged inside the shell pipe (2), and a first partition plate (7) and a second partition plate (8) are arranged inside a left side plate sliding groove (201) and a right side plate sliding groove (201) which are arranged inside the shell pipe (2);
the first groove plate (5), the second groove plate (6), the first partition plate (7) and the second partition plate (8) are fixedly connected in pairs through leak plates (9) which are staggered up and down;
a first connecting rod (301) and a second connecting rod (401) are respectively arranged on the inner sides of the grooves of the first groove plate (5) and the second groove plate (6), and a first baffle (3) and a second baffle (4) are respectively and fixedly connected to the inner sides of the first connecting rod (301) and the second connecting rod (401);
the first baffle (3) and the second baffle (4) are arranged in a staggered mode.
2. The apparatus of claim 1, wherein the feed tube of the molecular distillation apparatus is preheated by a misalignment of the feed tube: a through rod hole (903) is formed in the top of the bushing (9) close to the first groove plate (5), a through rod hole (901) is formed right below the through rod hole (903), and a bump (902) is formed below the through rod hole (901);
the bottom of the bushing (9) close to the second groove plate (6) is provided with a through rod hole (903), a water through hole (901) is arranged right above the through rod hole (903), and a lug (902) is arranged above the water through hole (901).
3. The apparatus of claim 2, wherein the feed tube of the molecular distillation apparatus is preheated by a misalignment of the feed tube: the first groove plate (5) and the second groove plate (6) are matched with the through rod hole (903) to enable the first connecting rod (301) and the second connecting rod (401) to move.
4. The apparatus of claim 1, wherein the feed tube of the molecular distillation apparatus is preheated by a misalignment of the feed tube: a feeding pipe (1) is arranged on the inner side of the bushing plate (9); a first end cover (10) and a second end cover (11) are respectively arranged at the front end and the rear end of the shell pipe (2) and the feed pipe (1); the left side and the right side of the outer shell pipe (2) are respectively provided with a liquid outlet pipeline (13) and a liquid inlet pipeline (12).
5. The apparatus of claim 4, wherein the feed tube of the molecular distillation apparatus is preheated by a misalignment of the feed tube, and the apparatus further comprises: the peripheries of the small-diameter sections of the first end cover (10) and the second end cover (11) are respectively provided with a first end cover sliding groove (101) and a second end cover sliding groove (111); the first end cover sliding groove (101), the second end cover sliding groove (111), the first groove plate (5), the second groove plate (6), and the front end and the rear end of the first partition plate (7) and the second partition plate (8) are matched.
6. The apparatus of claim 4, wherein the feed tube of the molecular distillation apparatus is preheated by a misalignment of the feed tube, and the apparatus further comprises: the liquid inlet pipeline (12) and the liquid outlet pipeline (13) are communicated through three pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011445312.5A CN112337124B (en) | 2020-12-09 | 2020-12-09 | Dislocation preheating device for feeding pipe of molecular distillation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011445312.5A CN112337124B (en) | 2020-12-09 | 2020-12-09 | Dislocation preheating device for feeding pipe of molecular distillation equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112337124A true CN112337124A (en) | 2021-02-09 |
| CN112337124B CN112337124B (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011445312.5A Active CN112337124B (en) | 2020-12-09 | 2020-12-09 | Dislocation preheating device for feeding pipe of molecular distillation equipment |
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| CN112337124B (en) | 2022-03-22 |
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