Staged distillation equipment for purifying propionic acid

Abstract

The fractional distillation equipment is characterized in that the upper end face of a reaction kettle is fixedly connected with a servo motor, the output end of the servo motor penetrates through the inner wall of the reaction kettle and is fixedly provided with a fixing rod, and the surface of the fixing rod is fixedly connected with a grinding rod; grinding plates are fixedly connected to the lower end face of the grinding rod and the upper end face of the grinding plate, a grinding block is fixedly connected to the bottom end of the fixing rod, a supporting frame is fixedly installed on the surface of the reaction kettle, a heating device is fixedly connected to the upper end face of the supporting frame, and a cavity is formed in the inner wall of the reaction kettle. And a thermal insulation layer is fixedly mounted in the cavity. By arranging the grinding plate, solid propionic acid can be ground into powder when the grinding rod rotates, in order to ensure the fineness, when the solid propionic acid downwards falls to the bottom of the reaction kettle through the filter screen, the large solid propionic acid is retained above the grinding plate through secondary processing of the grinding block, and the grinding is continued to ensure the completeness.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fractional distillation, particularly to fractional distillation equipment for propionic acid purification. BACKGROUND

[0002] The device rotating shaft, conical plug, rolling pestle, crushing hammer, motor and motor fixing frame, the rotating shaft is fixed with conical plug, the rotating shaft lower extreme is fixed with rolling pestle, the rolling pestle is fixed with crushing hammer through chain, and the rolling pestle moves downward and can impact propionic calcium to make it smash, and the rotating screw drives rotating shaft to move upward after smashing.

[0003] But the above-mentioned existing one propionic calcium production purification device has the following shortcomings: the device only passes through the rolling pestle and the rolling efficiency is not high, and the larger solid propionic acid will be pushed upward during rolling, and it is difficult to be in the rolling pestle and the reaction kettle and the entity friction, leading to the rolling not comprehensive, therefore, the propionic acid purification fractional distillation equipment is needed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model discloses propionic acid purification fractional distillation equipment to solve the problem that it is difficult to be in the rolling pestle and the reaction kettle and the entity friction, leading to the rolling not comprehensive in the background art.

[0005] To solve the above technical problems, the utility model is realized through the following technical schemes:

[0006] The storage component includes a reaction kettle and a rolling plate, and the inner wall of the reaction kettle is fixedly connected with the rolling plate.

[0007] The distillation component includes a servo motor, a fixed rod, a rolling rod, a grinding plate, a grinding block, a support frame, a heating device, a cavity, a heat preservation layer, a first installation port, a funnel, a second installation port and a filter screen.

[0008] The upper end surface of the reaction kettle is fixedly connected with a servo motor, the output end of the servo motor is fixedly installed with a fixed rod penetrating through the inner wall of the reaction kettle, the surface of the fixed rod is fixedly connected with a rolling rod, and the lower end surface of the rolling rod and the upper end surface of the rolling plate are both fixedly connected with a grinding plate.

[0009] Further, the inner wall of the reaction kettle is provided with a first installation port, and the first installation port is fixedly installed with a funnel.

[0010] Further, the surface of the grinding block is sleeved in the reaction kettle, and the output end of the heating device penetrates the inner wall of the reaction kettle and communicates with the cavity.

[0011] Further, the inner wall of the rolling plate is provided with a second mounting port, and a filter screen is fixedly installed in the second mounting port.

[0012] Further, the grading component comprises a first conduit, a first grading tank, a first supporting plate, a first discharge valve, a second conduit, a second grading tank, a second supporting plate, a second discharge valve, a third mounting port, a first measuring meter, a fourth mounting port and a second measuring meter.

[0013] The inner wall of the reaction kettle is fixedly connected with the first conduit, one end of the first conduit is fixedly connected with the first grading tank, the bottom of the first grading tank is fixedly connected with the first supporting plate, the first grading tank is fixedly installed with the first discharge valve, the inner wall of the first grading tank is fixedly installed with the second conduit, one end of the second conduit away from the first grading tank is fixedly installed with the second grading tank, the lower end surface of the second grading tank is fixedly installed with the second supporting plate, and the second grading tank is fixedly installed with the second discharge valve.

[0014] Further, the first grading tank is provided with the third mounting port, and the first measuring meter is fixedly installed in the third mounting port.

[0015] Further, the second grading tank is provided with the fourth mounting port, and the second measuring meter is fixedly installed in the fourth mounting port.

[0016] Compared with the prior art, the advantages of the present application are that:

[0017] First, the present application is provided with a grinding plate, which can grind solid propionic acid into powder when the rolling rod rotates. In order to ensure the fineness, the solid propionic acid that is too large to pass through the filter screen falls to the bottom of the reaction kettle and is further processed by the grinding block, so that the solid propionic acid is further ground to ensure the fineness.

[0018] Second, based on the above beneficial effects, the cavity is provided, so that when heat enters the inside of the reaction kettle, the temperature in the reaction kettle is uniform.

[0019] Third, based on the above beneficial effects, the first conduit and the second conduit are provided, so that the solid propionic acid after distillation is stored in a grading manner. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor, therefore, the present application is not limited to the following disclosed specific embodiments.

[0021] Figure 1 It is a three-dimensional structural schematic view of the propionic acid purification fractional distillation equipment of the present application.

[0022] Figure 2 It is a structural schematic view of the inside of the propionic acid purification fractional distillation equipment of the present application.

[0023] Figure 3 It is a structural schematic view of the reaction kettle section of the propionic acid purification fractional distillation equipment of the present application.

[0024] Figure 4 It is a structural schematic view of the inside of the second fractional tank of the propionic acid purification fractional distillation equipment of the present application.

[0025] In the drawings, the component list represented by each number is as follows:

[0026] 1, reaction kettle; 2, cavity; 3, heat preservation layer; 4, rolling plate; 5, filter screen; 6, rolling rod; 7, grinding plate; 8, grinding block; 9, fixed rod; 10, servo motor; 11, support frame; 12, heating device; 13, funnel; 14, first conduit; 15, first fractional tank; 16, first measuring meter; 17, first discharge valve; 18, first support plate; 19, second conduit; 20, second measuring meter; 21, second fractional tank; 22, second discharge valve; 23, second support plate. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.

[0028] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore, the present application is not limited to the following disclosed specific embodiments.

[0029] In order to make the purposes, technical scheme and advantages of the present application more clear, the embodiments of the present application will be further described in detail below with reference to the drawings.

[0030] Please refer to Figures 1-4The embodiment shown is a fractional distillation device for purifying propionic acid, comprising:

[0031] The storage component comprises a reaction kettle 1 and a rolling plate 4, and the rolling plate 4 is fixedly connected to the inner wall of the reaction kettle 1;

[0032] The distillation component comprises a servo motor 10, a fixed rod 9, a rolling rod 6, a grinding plate 7, a grinding block 8, a support frame 11, a heating device 12, a cavity 2, a heat preservation layer 3, a first mounting port, a funnel 13, a second mounting port, and a filter screen 5;

[0033] The upper end surface of the reaction kettle 1 is fixedly connected to the servo motor 10, the output end of the servo motor 10 penetrates through the inner wall of the reaction kettle 1 and is fixedly installed with the fixed rod 9, the surface of the fixed rod 9 is fixedly connected to the rolling rod 6, the lower end surface of the rolling rod 6 and the upper end surface of the rolling plate 4 are both fixedly connected to the grinding plate 7, the bottom end of the fixed rod 9 is fixedly connected to the grinding block 8, the surface of the reaction kettle 1 is fixedly installed with the support frame 11, the upper end surface of the support frame 11 is fixedly connected to the heating device 12, the inner wall of the reaction kettle 1 is provided with the cavity 2, and the cavity 2 is fixedly installed with the heat preservation layer 3;

[0034] When the servo motor 10 is driven to work, the rotation of the rolling plate 4 and the grinding block 8 can be simultaneously driven, and in the process of rotation, the friction with the solid propionic acid can be increased by the use of the grinding plate 7, the grinding of the solid propionic acid can be accelerated, and the distillation efficiency in the later stage can be improved;

[0035] The inner wall of the reaction kettle 1 is provided with the first mounting port, and the funnel 13 is fixedly installed in the first mounting port;

[0036] By arranging the funnel 13, the solid propionic acid can be put into the reaction kettle 1 by the worker;

[0037] The surface of the grinding block 8 is sleeved in the reaction kettle 1, and the output end of the heating device 12 penetrates through the inner wall of the reaction kettle 1 and communicates with the cavity 2;

[0038] The inner wall of the rolling plate 4 is provided with the second mounting port, and the filter screen 5 is fixedly installed in the second mounting port;

[0039] The working principle is that first, the worker puts the solid propionic acid to be distilled into the hopper 13 downward, in order to speed up the progress, the servo motor 10 needs to be externally connected to the power supply, so as to realize the driving operation of the servo motor 10, so that the servo motor 10 can control the rotation of the fixed rod 9, and at the same time, the fixed rod 9 drives the rolling plate 4 and the grinding block 8, first, the fixed rod 9 drives the rolling plate 4 to rotate around the fixed rod 9 as the center, so as to roll the solid propionic acid between the two grinding plates 7 into powder, the powder passing through the filter screen 5 will enter the bottom of the reaction kettle 1, and at the same time, the grinding block 8 is used for secondary processing, so as to speed up the reaction speed of the purification, and at the same time, when the heating device 12 inputs hot gas into the reaction kettle 1, the cavity 2 heats the inside of the reaction kettle 1, so that the heat can be uniformly dispersed in the reaction kettle 1, and under the action of the heat preservation layer 3, the heat loss can be avoided, the time length of heat storage in the reaction kettle 1 is prolonged, and the distillation efficiency of the solid propionic acid is improved;

[0040] Please refer to Figures 1-4 The embodiment shown is based on the above-mentioned embodiment 1, and the grading component includes a first conduit 14, a first grading tank 15, a first support plate 18, a first discharge valve 17, a second conduit 19, a second grading tank 21, a second support plate 23, a second discharge valve 22, a third mounting port, a first measuring meter 16, a fourth mounting port and a second measuring meter 20.

[0041] The inner wall of the reaction kettle 1 is fixedly connected with the first conduit 14, the other end of the first conduit 14 is fixedly connected with the first grading tank 15, the bottom of the first grading tank 15 is fixedly connected with the first support plate 18, the first grading tank 15 is fixedly installed with the first discharge valve 17, the inner wall of the first grading tank 15 is fixedly installed with the second conduit 19, one end of the second conduit 19 away from the first grading tank 15 is fixedly installed with the second grading tank 21, the lower end surface of the second grading tank 21 is fixedly installed with the second support plate 23, and the second grading tank 21 is fixedly installed with the second discharge valve 22.

[0042] The solid propionic acid after distillation will enter the first grading tank 15 through the first conduit 14, and then enter the second grading tank 21 through the second conduit 19, so as to complete the grading of the solid propionic acid.

[0043] The first grading tank 15 is provided with a third mounting port, and the third mounting port is fixedly installed with the first measuring meter 16.

[0044] The second grading tank 21 is provided with a fourth mounting port, and the fourth mounting port is fixedly installed with the second measuring meter 20.

[0045] Working principle: first, the solid propionic acid after distillation enters into first grading tank 15 through first conduit 14, after entering, through second conduit 19 into second fan box, realize to the solid propionic acid after distillation grading, through the action of first support plate 18 and second support plate 23, the bottom of first grading tank 15 and second grading tank 21 are supported and protected, through first measuring meter 16 and second measuring meter 20, the capacity of distillate can be conveniently viewed, since the bottom of first grading tank 15 and second grading tank 21 is all set to be inclined, when obtaining the distillate after grading, avoid internal retention.

[0046] In the description of the utility model, it also needs to be explained that, unless there is definite stipulation and limitation, the term "arrangement", "installation", "connection", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication of two elements inside, for ordinary skilled in the art, the above-mentioned term in the utility model can be understood according to the specific meaning in the utility model.

Claims

1. A fractional distillation apparatus for purifying propionic acid, characterized by, Include: Storage components, the storage components include reaction kettle (1) and rolling plate (4), the inner wall of the reaction kettle (1) is fixedly connected with rolling plate (4); Distillation components, the distillation components include servo motor (10), fixed rod (9), rolling rod (6), grinding plate (7), grinding block (8), support frame (11), heating device (12), cavity (2), heat preservation layer (3), first installation port, funnel (13), second installation port and filter screen (5); The upper end surface of the reaction kettle (1) is fixedly connected with servo motor (10), the output end of the servo motor (10) penetrates the inner wall of the reaction kettle (1) and is fixedly installed with fixed rod (9), the surface of the fixed rod (9) is fixedly connected with rolling rod (6), the lower end surface of the rolling rod (6) and the upper end surface of the rolling plate (4) are both fixedly connected with grinding plate (7), the bottom end of the fixed rod (9) is fixedly connected with grinding block (8), the surface of the reaction kettle (1) is fixedly installed with support frame (11), the upper end surface of the support frame (11) is fixedly connected with heating device (12), the inner wall of the reaction kettle (1) is provided with cavity (2), and the cavity (2) is fixedly installed with heat preservation layer (3).

2. The fractional distillation apparatus for purification of propionic acid according to claim 1, characterized by, The inner wall of the reaction kettle (1) is provided with a first installation port, and the first installation port is fixedly installed with a funnel (13).

3. The fractional distillation apparatus for purifying propionic acid according to claim 1, characterized by The surface of the grinding block (8) is sleeved in the reaction kettle (1), and the output end of the heating device (12) penetrates the inner wall of the reaction kettle (1) and communicates with the cavity (2).

4. The fractional distillation apparatus for purifying propionic acid according to claim 1, characterized by The inner wall of the rolling plate (4) is provided with a second installation port, and the second installation port is fixedly installed with a filter screen (5).

5. The fractional distillation apparatus for purifying propionic acid according to claim 1, characterized by Classification components, the classification components include first conduit (14), first classification tank (15), first support plate (18), first discharge valve (17), second conduit (19), second classification tank (21), second support plate (23), second discharge valve (22), third installation port, first measuring meter (16), fourth installation port and second measuring meter (20); The inner wall of the reaction kettle (1) is fixedly connected with first conduit (14), the other end of the first conduit (14) is fixedly connected with first classification tank (15), the bottom of the first classification tank (15) is fixedly connected with first support plate (18), the first classification tank (15) is fixedly installed with first discharge valve (17), the inner wall of the first classification tank (15) is fixedly installed with second conduit (19), one end of the second conduit (19) away from the first classification tank (15) is fixedly installed with second classification tank (21), the lower end surface of the second classification tank (21) is fixedly installed with second support plate (23), and the second classification tank (21) is fixedly installed with second discharge valve (22).

6. The fractional distillation apparatus for purification of propionic acid according to claim 5, characterized by The first classification tank (15) is provided with a third installation port in the first classification tank (15), and the third installation port is fixedly installed with a first measuring meter (16).

7. The fractional distillation apparatus for purifying propionic acid according to claim 5, characterized by The second classification tank (21) is provided with a fourth installation port in the second classification tank (21), and the fourth installation port is fixedly installed with a second measuring meter (20).

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