Pour point depressing device for biomass diesel oil production

Abstract

The utility model relates to the related technical field of biomass diesel oil production, in particular to a pour point depressing device for biomass diesel oil production, which comprises a biomass diesel oil condensing tower, an air inlet chamber, a liquid discharge chamber and a heat exchange tube, a lower partition plate and an upper partition plate are arranged in an inner cavity of the biomass diesel oil condensing tower and divide the inner cavity of the biomass diesel oil condensing tower into a lower cavity, a middle cavity and an upper cavity, and a cooling liquid inlet and a cooling liquid outlet are formed in the side wall of the lower cavity and the side wall of the upper cavity respectively. Mounting holes are formed in the lower partition plate and the upper partition plate; the pour point depressing device for biomass diesel oil production is formed by combining the biomass diesel oil condensing tower, the gas inlet chamber, the liquid discharging chamber and the heat exchange pipes, and the multiple heat exchange pipes are evenly arranged, so that the effective heat exchange area of the device is effectively increased, and the purpose of improving the heat exchange efficiency is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field related to biomass diesel production, in particular to a pour point depressant device for biomass diesel production. Background Art

[0002] Biomass diesel refers to fatty acid methyl esters or ethyl esters formed by esterification of vegetable oils (such as rapeseed oil, soybean oil, peanut oil, corn oil, cottonseed oil, etc.), animal oils (such as fish oil, lard, beef tallow, mutton fat, etc.), waste oils or microbial oils with methanol or ethanol. Biomass diesel is a typical "green energy" with good environmental performance, good engine starting performance, good fuel performance, and a wide range of raw material sources and renewable characteristics. Vigorously developing biomass diesel is of great strategic significance to the sustainable development of the economy, promoting energy substitution, reducing environmental pressure, and controlling urban air pollution.

[0003] During the production process of biomass diesel, the substances in the biomass diesel need to be separated through a distillation process. The depressant device used in the traditional distillation device has a relatively simple structure, and it cannot allow the cold in the condensate to be fully exchanged with the heat in the gaseous biomass diesel, thereby affecting the production efficiency of biomass diesel to a certain extent. Therefore, the utility model proposes a depressant device for biomass diesel production to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a pour point depressant device for biomass diesel production to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a pour point depressing device for biomass diesel production, the pour point depressing device for biomass diesel production comprising:

[0006] A biomass diesel condensing tower, the biomass diesel condensing tower having a cylindrical structure, and an inner cavity of the biomass diesel condensing tower is provided with a lower partition and an upper partition, the lower partition and the upper partition divide the inner cavity of the biomass diesel condensing tower into a lower cavity, a middle cavity and an upper cavity, the side walls of the lower cavity and the upper cavity are respectively provided with a coolant inlet and a coolant outlet, and the lower partition and the upper partition are both provided with mounting holes;

[0007] An air intake chamber, wherein the inner cavity of the air intake chamber is connected to a primary connecting pipe and an air inlet, and the air intake chamber is connected to the upper end of the biomass diesel condensation tower through a bolt structure;

[0008] A drainage chamber, wherein the inner cavity of the drainage chamber is connected to a secondary connecting pipe and a drainage pipe, and the air intake chamber is connected to the lower end of the biomass diesel condensation tower through a bolt structure;

[0009] The heat exchange tubes are respectively installed at their upper and lower ends in the mounting holes on the upper partition and the lower partition, and are respectively connected to the primary connecting pipe and the secondary connecting pipe. A plurality of heat exchange tubes are evenly arranged.

[0010] Preferably, a heat exchange fin is integrally formed on the side wall of the heat exchange tube, the heat exchange fin is a spiral blade structure, and the outer diameter of the heat exchange fin is smaller than the diameter of the mounting hole.

[0011] Preferably, a docking groove is provided on the side wall of the mounting hole, and the docking groove is arranged in a circle around the side wall of the mounting hole. Connecting seats are integrally formed on the upper and lower end side walls of the heat exchange tube. The diameter of the connecting seat is smaller than the diameter of the mounting hole, and the connecting seats at the upper and lower ends are respectively arranged corresponding to the upper partition and the lower partition.

[0012] Preferably, a connecting groove is provided on the side wall of the connecting seat, the connecting groove is arranged corresponding to the docking groove, and the connecting groove and the docking groove are connected by an elastic connecting piece.

[0013] Preferably, the elastic connector is arranged in an inverted V shape, and a connecting plate is integrally formed at the inner end of the elastic connector, the connecting plate is fixedly glued to the bottom of the connecting groove, and the outer end of the elastic connector rests in the docking groove.

[0014] Preferably, the elastic connecting piece is cast from spring steel, and the primary connecting pipe and the secondary connecting pipe are both stainless steel bellows.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. By setting up a biomass diesel production depressant device consisting of a biomass diesel condensation tower, an air inlet chamber, a liquid discharge chamber and a heat exchange tube, and evenly arranging multiple heat exchange tubes, the effective heat exchange area of ​​the device is effectively increased, thereby achieving the purpose of improving heat exchange efficiency;

[0017] 2. A docking groove is opened on the side wall of the mounting hole, and a connecting groove is opened on the connecting seat of the heat exchange tube. The connecting groove and the docking groove are connected by an elastic connector, and the upper and lower ends of the heat exchange tube are connected by a stainless steel bellows. In this way, the coolant can form a certain toggling effect on the heat exchange tube during the flow process, so that the liquefied oil droplets on the inner wall of the heat exchange tube can fall faster, thereby avoiding excessive oil droplets affecting the heat exchange efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a half-section view of the utility model;

[0020] Figure 3 for Figure 2 A schematic diagram of the structure at center A;

[0021] Figure 4 This is a half-section view of the biomass diesel condensing tower of the utility model;

[0022] Figure 5 for Figure 4 A magnified schematic diagram of the structure at point B in the middle;

[0023] Figure 6 This is a schematic diagram of the structure of the drainage chamber of the utility model;

[0024] Figure 7 This is a schematic diagram of the heat exchange tube structure of the utility model;

[0025] Figure 8 for Figure 7 Enlarged schematic diagram of the structure at point C in the middle.

[0026] In the figure: biomass diesel condensation tower 1, air inlet chamber 2, drain chamber 3, heat exchange tube 4, lower baffle 5, upper baffle 6, lower cavity 7, middle cavity 8, upper cavity 9, mounting hole 10, coolant inlet 11, coolant outlet 12, primary connecting pipe 14, secondary connecting pipe 15, air inlet 16, drain pipe 17, heat exchange fin 18, docking groove 19, connecting seat 20, connecting groove 21, elastic connector 22, connecting plate 23. DETAILED DESCRIPTION

[0027] In order to clearly and completely describe the purpose and technical solution of the present invention and make its advantages more clearly understood, the following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention and are not intended to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figure 1-8 , the utility model provides the following three preferred embodiments:

[0029] Example 1

[0030] A decondensation device for biomass diesel production, comprising a biomass diesel condensation tower 1, an air inlet chamber 2, a liquid discharge chamber 3 and a heat exchange pipe 4, the biomass diesel condensation tower 1 is a cylindrical structure, and the inner cavity of the biomass diesel condensation tower 1 is provided with a lower partition 5 and an upper partition 6, the lower partition 5 and the upper partition 6 divide the inner cavity of the biomass diesel condensation tower 1 into a lower cavity 7, a middle cavity 8 and an upper cavity 9, the side walls of the lower cavity 7 and the upper cavity 9 are respectively provided with a coolant inlet 11 and a coolant outlet 12, the lower partition 5 and the upper partition 6 are both provided with mounting holes 10, the inner cavity of the air inlet chamber 2 is connected with a first-level connecting pipe 14 and an air inlet 16, the air inlet chamber 2 is connected to the biomass diesel condensation tower 1 by a bolt structure The upper end of the biomass diesel condensation tower 1 is connected, the inner cavity of the drainage chamber 3 is connected with the secondary connecting pipe 15 and the drainage pipe 17, the air inlet chamber 2 is connected to the lower end of the biomass diesel condensation tower 1 through a bolt structure, and the upper and lower ends of the heat exchange tube 4 are respectively installed in the mounting holes 10 on the upper partition 6 and the lower partition 5, and the upper and lower ends of the heat exchange tube 4 are respectively docked with the primary connecting pipe 14 and the secondary connecting pipe 15. A plurality of heat exchange tubes 4 are evenly arranged. By setting a decondensation device for biomass diesel production composed of a biomass diesel condensation tower 1, an air inlet chamber 2, a drainage chamber 3 and a heat exchange tube 4, and evenly arranging a plurality of heat exchange tubes 4, the effective heat exchange area of ​​the device is effectively increased, thereby achieving the purpose of improving the heat exchange efficiency.

[0031] Example 2

[0032] On the basis of Example 1, a heat exchange fin 18 is integrally formed on the side wall of the heat exchange tube 4. The heat exchange fin 18 has a spiral blade structure, and the outer diameter of the heat exchange fin 18 is smaller than the diameter of the mounting hole 10. By providing the spiral heat exchange fin 18, the effective heat exchange area is further increased to achieve the purpose of improving the heat exchange efficiency.

[0033] Example 3

[0034] On the basis of Example 2, a docking groove 19 is provided on the side wall of the mounting hole 10, and the docking groove 19 is arranged in a circle around the side wall of the mounting hole 10. The upper and lower end side walls of the heat exchange tube 4 are integrally formed with a connecting seat 20. The diameter of the connecting seat 20 is smaller than the diameter of the mounting hole 10, and the connecting seats 20 at the upper and lower ends are respectively arranged corresponding to the upper partition 6 and the lower partition 5. A connecting groove 21 is provided on the side wall of the connecting seat 20, and the connecting groove 21 is arranged corresponding to the docking groove 19. The connecting groove 21 and the docking groove 19 are connected by an elastic connecting member 22.

[0035] The elastic connector 22 is arranged in an inverted V shape, and a connecting plate 23 is integrally formed at the inner end of the elastic connector 22. The connecting plate 23 is fixedly glued to the bottom of the connecting groove 21, and the outer end of the elastic connector 22 is against the docking groove 19. By arranging the elastic connector 22 in an inverted V shape, the convenience of replacing the heat exchange tube 4 is improved.

[0036] The elastic connector 22 is cast from spring steel, and both the primary connecting pipe 14 and the secondary connecting pipe 15 are stainless steel bellows. By providing a docking groove 19 on the side wall of the mounting hole 10 and a connecting groove 21 on the connecting seat 20 of the heat exchange tube 4, the connecting groove 21 and the docking groove 19 are connected by the elastic connector 22, and the upper and lower ends of the heat exchange tube 4 are connected by the stainless steel bellows. This allows the coolant to form a certain toggle effect on the heat exchange tube 4 during the flow process, so that the liquefied oil droplets on the inner wall of the heat exchange tube 4 can fall more quickly, thereby avoiding excessive oil droplets affecting the heat exchange efficiency of the device;

[0037] Working principle: the coolant enters from the coolant inlet 11, and flows through the lower cavity 7, the middle cavity 8, and the upper cavity 9 in turn, and flows out from the coolant outlet 12, while the gaseous biomass diesel enters the air intake chamber 2 from the air inlet 16, and then enters the heat exchange tube 4 through the first-level connecting pipe 14, and exchanges heat with the coolant in the middle cavity 8, and finally flows into the drain chamber 3 through the second-level connecting pipe 15, and finally the liquid biomass diesel flows out from the drain pipe 17. During actual disassembly and assembly, the staff first removes the air intake chamber 2 and the drain chamber 3 from the biomass diesel condensing tower 1, then removes the first-level connecting pipe 14 and the second-level connecting pipe 15 from the heat exchange tube 4, and then pushes the heat exchange tube 4 to be replaced from bottom to top, and then pushes the new heat exchange tube 4 into installation from bottom to top, and then connects the first-level connecting pipe 14 and the second-level connecting pipe 15 to the heat exchange tube 4, and finally installs the air intake chamber 2 and the drain chamber 3 on the biomass diesel condensing tower 1.

[0038] Although the above describes the illustrative specific implementation methods of the present application so that those skilled in the art can understand the present application, the present application is not limited to the scope of the specific implementation methods. For those of ordinary skill in the art, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations based on the concept of the present application are protected.

Claims

1. A pour point depressant for biomass diesel production, characterized by: The pour point depressant device for biomass diesel production comprises: A biomass diesel condensation tower (1) is provided, wherein the biomass diesel condensation tower (1) is of a cylindrical structure, and an inner cavity of the biomass diesel condensation tower (1) is provided with a lower partition (5) and an upper partition (6), wherein the lower partition (5) and the upper partition (6) divide the inner cavity of the biomass diesel condensation tower (1) into a lower cavity (7), a middle cavity (8) and an upper cavity (9), and a coolant inlet (11) and a coolant outlet (12) are provided on the side walls of the lower cavity (7) and the upper cavity (9), respectively, and a mounting hole (10) is provided on each of the lower partition (5) and the upper partition (6); An air intake chamber (2), wherein the inner cavity of the air intake chamber (2) is connected to a first-level connecting pipe (14) and an air inlet (16), and the air intake chamber (2) is connected to the upper end of the biomass diesel condensation tower (1) via a bolt structure; A drainage chamber (3), the inner cavity of which is connected to a secondary connecting pipe (15) and a drainage pipe (17), and the air inlet chamber (2) is connected to the lower end of the biomass diesel condensation tower (1) via a bolt structure; A heat exchange tube (4), wherein the upper and lower ends of the heat exchange tube (4) are respectively installed in the installation holes (10) on the upper partition (6) and the lower partition (5), and the upper and lower ends of the heat exchange tube (4) are respectively connected to the first-level connecting pipe (14) and the second-level connecting pipe (15), and a plurality of heat exchange tubes (4) are evenly arranged.

2. A pour point depressant for biodiesel production according to claim 1, characterized in that: A heat exchange fin (18) is integrally formed on the side wall of the heat exchange tube (4), the heat exchange fin (18) is a spiral blade structure, and the outer diameter of the heat exchange fin (18) is smaller than the diameter of the mounting hole (10).

3. A pour point depressant for biodiesel production according to claim 2, characterized in that: A docking groove (19) is provided on the side wall of the mounting hole (10), and the docking groove (19) is evenly arranged around the side wall of the mounting hole (10). Connecting seats (20) are integrally formed on the upper and lower side walls of the heat exchange tube (4), and the diameter of the connecting seat (20) is smaller than the diameter of the mounting hole (10). The connecting seats (20) at the upper and lower ends are respectively arranged corresponding to the upper partition (6) and the lower partition (5).

4. A pour point depressant for biodiesel production according to claim 3, characterized in that: A connecting groove (21) is provided on the side wall of the connecting seat (20), and the connecting groove (21) is arranged corresponding to the docking groove (19). The connecting groove (21) and the docking groove (19) are connected via an elastic connecting piece (22).

5. A pour point depressant for biodiesel production according to claim 4, characterized in that: The elastic connecting member (22) is arranged in an inverted V shape, and a connecting plate (23) is integrally formed at the inner end of the elastic connecting member (22). The connecting plate (23) is fixedly glued to the bottom of the connecting groove (21), and the outer end of the elastic connecting member (22) is against the docking groove (19).

6. A pour point depressant for biodiesel production according to claim 5, characterized in that: The elastic connecting piece (22) is cast from spring steel, and the primary connecting pipe (14) and the secondary connecting pipe (15) are both stainless steel bellows.

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