Device for preparing biodiesel through rapid reaction of rotary fixed bed
阅读说明:本技术 一种旋转固定床快速反应制备生物柴油装置 (Device for preparing biodiesel through rapid reaction of rotary fixed bed ) 是由 万涛 于 2019-12-01 设计创作,主要内容包括:一种旋转固定床快速反应制备生物柴油装置,包括顶盖、反应釜、底盖、催化剂放置组件、第一安装板、第一支撑杆、第二安装板、第二支撑杆、底座、原料油罐、第一输送管、甲醇原料罐、第二输送管、排出管和收集罐;反应釜顶端与顶盖转动连接,反应釜底端与底盖转动连接;第二安装板上设置有用于驱动反应釜转动的驱动机构;原料油罐和甲醇原料罐均设置在第二安装板上;第一安装板上设置有用于将原料油罐内的原料油通过第一输送管输送至反应釜内的第一压力泵,以及用于将甲醇原料罐内的甲醇通过第二输送管输送至反应釜内的第二压力泵。本发明能通过旋转反应釜来加快原料油和甲醇原料的酯化反应速度,提高了酯化反应的效率。(A device for preparing biodiesel by a rotary fixed bed through rapid reaction comprises a top cover, a reaction kettle, a bottom cover, a catalyst placing assembly, a first mounting plate, a first supporting rod, a second mounting plate, a second supporting rod, a base, a raw oil tank, a first conveying pipe, a methanol raw material tank, a second conveying pipe, a discharging pipe and a collecting tank; the top end of the reaction kettle is rotationally connected with the top cover, and the bottom end of the reaction kettle is rotationally connected with the bottom cover; a driving mechanism for driving the reaction kettle to rotate is arranged on the second mounting plate; the raw material oil tank and the methanol raw material tank are both arranged on the second mounting plate; be provided with on the first mounting panel and be used for carrying the first force pump in the reation kettle through first conveyer pipe with the raw oil in the raw oil tank to and be used for carrying the second force pump in the reation kettle through the second conveyer pipe with the methyl alcohol in the methyl alcohol raw material tank. The invention can accelerate the esterification reaction speed of the raw oil and the methanol raw material by rotating the reaction kettle, and improves the efficiency of the esterification reaction.)
1. A device for preparing biodiesel by a rotary fixed bed through rapid reaction is characterized by comprising a top cover (1), a reaction kettle (2), a bottom cover (3), a catalyst placing component (4), a first mounting plate (11), a first supporting rod (111), a second mounting plate (12), a second supporting rod (121), a base (13), a raw material oil tank (14), a first conveying pipe (16), a methanol raw material tank (18), a second conveying pipe (20), a discharge pipe (22) and a collecting tank (23);
the first mounting plate (11), the first supporting rod (111), the second mounting plate (12), the second supporting rod (121) and the base (13) are sequentially connected from top to bottom; the top cover (1) is arranged on the first mounting plate (11); the bottom cover (3) is arranged on the second mounting plate (12); the top end of the reaction kettle (2) is rotationally connected with the top cover (1), and the bottom end of the reaction kettle (2) is rotationally connected with the bottom cover (3); a driving mechanism for driving the reaction kettle (2) to rotate is arranged on the second mounting plate (12); the catalyst placing component (4) is arranged on the inner surface of the reaction kettle (2); the raw oil tank (14) and the methanol raw oil tank (18) are both arranged on the second mounting plate (12); the first mounting plate (11) is provided with a first pressure pump (15) for conveying raw oil in a raw oil tank (14) into the reaction kettle (2) through a first conveying pipe (16), and a second pressure pump (19) for conveying methanol in a methanol raw oil tank (18) into the reaction kettle (2) through a second conveying pipe (20); two ends of the discharge pipe (22) are respectively communicated with the bottom cover (3) and the collection tank (23); the collection tank (23) is placed on the base (13).
2. The apparatus for preparing biodiesel by rotating fixed bed rapid reaction according to claim 1, wherein the first delivery pipe (16) is provided with a first control valve; a second control valve is arranged on the second conveying pipe (20); the discharge pipe (22) is provided with a third control valve.
3. The apparatus for preparing biodiesel by rotating fixed bed fast reaction according to claim 1, wherein the first delivery pipe (16) is provided with a first flow meter (17); the second delivery pipe (20) is provided with a second flowmeter (21).
4. The apparatus for preparing biodiesel by rotating fixed bed rapid reaction according to claim 1, wherein the second mounting plate (12) is provided with a hot water tank (24); a third pressure pump (25) is arranged on the hot water tank (24); the water pumping end of the third pressure pump (25) is communicated with the hot water tank (24), and the water discharging end of the third pressure pump (25) is connected with a circulating pipe (26); the circulating pipe (26) sequentially penetrates through the top cover (1), the reaction kettle (2) and the bottom cover (3) along the direction far away from the third pressure pump (25) and is communicated with the bottom end of the hot water tank (24).
5. The apparatus for preparing biodiesel by rotating fixed bed rapid reaction according to claim 4, wherein the circulation pipe (26) is provided with a fourth control valve.
6. The device for preparing biodiesel by rotating a fixed bed and realizing rapid reaction according to claim 1, wherein the driving mechanism comprises a mounting ring (5), a motor (6), a gear (7) and a toothed ring (8); the motor (6) is arranged on the second mounting plate (12), and the output end of the motor (6) is in driving connection with the gear (7); the gear (7) is meshed with the gear ring (8); the gear ring (8) is arranged on the mounting ring (5); the mounting ring (5) is arranged on the outer peripheral surface of the reaction kettle (2).
7. The device for preparing biodiesel by rotating a fixed bed and realizing rapid reaction according to claim 6, wherein the top of the second mounting plate (12) is provided with a mounting cover (10); the mounting ring (5), the motor (6), the gear (7) and the gear ring (8) are all positioned inside the mounting cover (10).
8. The apparatus for preparing biodiesel by rotating fixed bed fast reaction according to claim 1, wherein the catalyst placing assembly (4) comprises a placing box (43) and a box cover (44); the box cover (44) is arranged at the top of the placing box (43), and a first through hole is formed in the box cover (44); the placing box (43) is arranged on the inner surface of the reaction kettle (2), and a second through hole is formed in the bottom of the placing box (43).
9. The apparatus for preparing biodiesel by rotating fixed bed rapid reaction according to claim 8, wherein the inside of the placing box (43) is provided with a partition plate (41); the baffle (41) comprises a plurality of vertical plates which are formed in an integrated mode and distributed circumferentially, and the inner space of the placing box (43) is divided into a plurality of placing grooves by the baffle (41).
10. The apparatus for preparing biodiesel by rotating fixed bed rapid reaction according to claim 9, wherein the inner surface of the placing box (43) is coaxially provided with a snap ring (42); the clamping ring (42) is provided with a clamping groove for embedding the partition plate (41).
Technical Field
The invention relates to the technical field of chemical equipment, in particular to a device for preparing biodiesel through a rapid reaction of a rotary fixed bed.
Background
The biodiesel oil is fatty acid methyl ester or ethyl ester prepared by ester-converting vegetable oil (such as oleum Rapae, soybean oil, peanut oil, corn oil, cottonseed oil, etc.), animal oil (such as fish oil, lard, beef tallow, mutton fat, etc.), waste oil or microbial oil with methanol or ethanol. Biodiesel is a typical 'green energy source', and has the characteristics of good environmental protection performance, good engine starting performance, good fuel performance, wide raw material source, renewability and the like.
The reaction kettle in the existing device for preparing the biodiesel is generally fixedly arranged, and a stirrer is arranged in the reaction kettle to stir raw oil and methanol raw material so as to carry out esterification reaction. However, the stirring range of the stirrer has a dead point, and the feedstock oil and the methanol feedstock in the reaction vessel cannot be sufficiently stirred, which results in a decrease in the esterification reaction efficiency.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides a device for preparing biodiesel by a rotary fixed bed rapid reaction, which can accelerate the esterification reaction speed of raw oil and methanol raw materials by a rotary reaction kettle, so that the raw oil and the methanol raw materials can be rapidly mixed and uniformly reacted, and the esterification reaction efficiency is improved.
(II) technical scheme
The invention provides a device for preparing biodiesel by a rotary fixed bed through rapid reaction, which comprises a top cover, a reaction kettle, a bottom cover, a catalyst placing assembly, a first mounting plate, a first supporting rod, a second mounting plate, a second supporting rod, a base, a raw oil tank, a first conveying pipe, a methanol raw material tank, a second conveying pipe, a discharging pipe and a collecting tank, wherein the top cover is arranged on the top cover;
the first mounting plate, the first supporting rod, the second mounting plate, the second supporting rod and the base are sequentially connected from top to bottom; the top cover is arranged on the first mounting plate; the bottom cover is arranged on the second mounting plate; the top end of the reaction kettle is rotationally connected with the top cover, and the bottom end of the reaction kettle is rotationally connected with the bottom cover; a driving mechanism for driving the reaction kettle to rotate is arranged on the second mounting plate; the catalyst placing component is arranged on the inner surface of the reaction kettle; the raw material oil tank and the methanol raw material tank are both arranged on the second mounting plate; the first mounting plate is provided with a first pressure pump for conveying the raw oil in the raw oil tank into the reaction kettle through a first conveying pipe, and a second pressure pump for conveying the methanol in the methanol raw oil tank into the reaction kettle through a second conveying pipe; two ends of the discharge pipe are respectively communicated with the bottom cover and the collection tank; the collection tank is placed on the base.
Preferably, the first conveying pipe is provided with a first control valve; a second control valve is arranged on the second conveying pipe; the discharge pipe is provided with a third control valve.
Preferably, the first delivery pipe is provided with a first flowmeter; the second delivery pipe is provided with a second flowmeter.
Preferably, the second mounting plate is provided with a hot water tank; a third pressure pump is arranged on the hot water tank; the water pumping end of the third pressure pump is communicated with the hot water tank, and the water discharging end of the third pressure pump is connected with a circulating pipe; the circulating pipe penetrates through the top cover, the reaction kettle and the bottom cover in sequence along the direction far away from the third pressure pump and is communicated with the bottom end of the hot water tank.
Preferably, a fourth control valve is provided on the circulation pipe.
Preferably, the driving mechanism comprises a mounting ring, a motor, a gear and a toothed ring; the motor is arranged on the second mounting plate, and the output end of the motor is in driving connection with the gear; the gear is meshed with the gear ring; the gear ring is arranged on the mounting ring; the mounting ring is arranged on the outer peripheral surface of the reaction kettle.
Preferably, the top of the second mounting plate is provided with a mounting cover; the mounting ring, the motor, the gear and the gear ring are all positioned inside the mounting cover.
Preferably, the catalyst placing component comprises a placing box and a box cover; the box cover is arranged at the top of the placing box, and a first through hole is formed in the box cover; the placing box is arranged on the inner surface of the reaction kettle, and a second through hole is formed in the bottom of the placing box.
Preferably, a partition board is arranged inside the placing box; the baffle includes a plurality of vertical boards that are the circumference and distribute of integrated into one piece, and the baffle will be placed box inner space and equallyd divide into a plurality of standing grooves.
Preferably, the inner surface of the placing box is coaxially provided with a clamping ring; the clamping ring is provided with a clamping groove used for being embedded into the partition plate.
Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects: raw oil in the raw oil tank is pumped into the reaction kettle through the first conveying pipe by the first pressure pump, and the methanol raw material in the methanol raw material tank is pumped into the reaction kettle through the second conveying pipe by the second pressure pump. Raw oil and methanol raw material are soaked in a catalyst placing component in a reaction kettle, and a catalyst required by esterification reaction is placed in the catalyst placing component so as to ensure that the esterification reaction is rapidly carried out. The reaction kettle rotates under the action of the driving mechanism, the rotating reaction kettle can accelerate the esterification reaction speed of the raw oil and the methanol raw material, so that the raw oil and the methanol raw material can be quickly mixed and uniformly reacted, the esterification reaction efficiency is improved, and the prepared finished oil is conveyed into the collecting tank through the discharge pipe.
Drawings
FIG. 1 is a schematic structural diagram of a device for preparing biodiesel by a rapid reaction of a rotating fixed bed according to the present invention.
FIG. 2 is a schematic view of a rotation principle structure of a reaction kettle in a device for preparing biodiesel through a rotary fixed bed rapid reaction, which is provided by the invention.
FIG. 3 is a schematic diagram of the internal structure of a reaction kettle in a device for preparing biodiesel by a rapid reaction of a rotating fixed bed according to the present invention.
Fig. 4 is an enlarged view of a structure at a in fig. 3.
Reference numerals: 1. a top cover; 2. a reaction kettle; 3. a bottom cover; 4. a catalyst placement assembly; 41. a partition plate; 42. a snap ring; 43. placing the box; 44. a box cover; 5. a mounting ring; 6. a motor; 7. a gear; 8. a toothed ring; 10. mounting a cover; 11. a first mounting plate; 111. a first support bar; 12. a second mounting plate; 121. a second support bar; 13. a base; 14. a raw oil tank; 15. a first pressure pump; 16. a first delivery pipe; 17. A first flow meter; 18. a methanol feed tank; 19. a second pressure pump; 20. a second delivery pipe; 21. a second flow meter; 22. a discharge pipe; 23. a collection tank; 24. a hot water tank; 25. a third pressure pump; 26. a circulation pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-4, the device for preparing biodiesel by a fast reaction of a rotating fixed bed according to the present invention comprises a
the first mounting
the second mounting
In the present invention, the first pressure pump 15 pumps the feedstock in the
In an alternative embodiment, the
It should be noted that, by arranging the first control valve, the second control valve and the third control valve, the starting and closing of the raw oil conveying process, the starting and closing of the methanol raw material conveying process and the starting and closing of the product oil discharging process can be controlled.
In an alternative embodiment, the
By providing the first flow meter 17 and the
In an alternative embodiment, a
By providing the
In an alternative embodiment, a fourth control valve is provided on the
It should be noted that, by providing the fourth control valve, the on-off of the hot water conveying process can be controlled.
In an alternative embodiment, the drive mechanism comprises a mounting
It should be noted that the output end of the
In an alternative embodiment, the second mounting
It should be noted that, by providing the mounting
In an alternative embodiment, the
It should be noted that the catalyst is placed in the
In an alternative embodiment, the
It should be noted that, by providing the
In an alternative embodiment, the holding
By providing the
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
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