CN216826272U - Coal tar atmospheric distillation device for laboratory - Google Patents
Coal tar atmospheric distillation device for laboratory Download PDFInfo
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- CN216826272U CN216826272U CN202220498538.XU CN202220498538U CN216826272U CN 216826272 U CN216826272 U CN 216826272U CN 202220498538 U CN202220498538 U CN 202220498538U CN 216826272 U CN216826272 U CN 216826272U
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Abstract
A coal tar atmospheric distillation device for a laboratory comprises a distillation electric furnace, wherein the distillation electric furnace comprises a heat-insulating shell, an electric heating furnace is arranged in the heat-insulating shell, a distillation flask is arranged at the top of the electric heating furnace, a sample inlet pipe is arranged at the upper end of the distillation flask, one side wall of the distillation flask is connected with an inlet end of an outlet pipe, the outlet ends of the outlet pipes respectively penetrate through the heat-insulating shell and the side wall of an oil bath groove and are communicated with an inlet end of an inner pipe of the oil bath groove, and the outlet end of the inner pipe penetrates through the other side wall of the oil bath groove to be above a sample receiving pipe arranged on a rotary sampler; distilling the weighed coal tar filled in the distillation flask by an electric heating furnace in the electric distillation furnace, and performing sectional separation on fractions by sectional temperature control; through the inner tube in oil bath groove and oil bath groove, under the condition of controlling the temperature, make fraction liquid flow out smoothly, collect and weigh through the automatic rising electronic scale to the fraction of difference through the sample receiving pipe of placing on rotatory sampler and the rotatory sampler at last, made things convenient for the laboratory coal tar distillation analysis greatly, and simple structure, easily operation, separation effect is good.
Description
Technical Field
The utility model relates to a laboratory distillation plant, in particular to coal tar atmospheric distillation plant is used in laboratory.
Background
The coal tar is difficult to directly analyze in a laboratory, components in the coal tar need to be separated and analyzed, the coal tar is extremely complex in composition, and needs to be specially separated and purified for utilization under most conditions, distillate oil at different temperature sections is further processed, various products can be separated, the coal tar is an important raw material for producing plastics, synthetic fibers, dyes, rubber, medicines, high-temperature resistant materials and the like, and various industrial products such as pesticides, saccharin, dyes, medicines, explosives and the like can be synthesized.
Coal tar atmospheric distillation is a separation means that is more commonly used, the conventional coal tar atmospheric distillation device in laboratory is mainly used for distilling petroleum products and light coal tar, the electric heating furnace has no heat preservation shell, the distillation temperature is difficult to maintain stably, the outlet pipe of the distillation flask is connected with a circulating cooling water sleeve, for the whole fraction coal tar, because the composition is complicated, the heavy component content is high, along with the rise of the distillation temperature, the mobility of each fraction oil is poor or even condensed after flowing through the outlet pipe, the weight of each fraction oil needs to be weighed separately after the distillation is completed, and the experimental operation amount is large.
Disclosure of Invention
In order to solve the technical problem, an object of the utility model is to provide a coal tar atmospheric distillation device is used in laboratory, through coal tar in the distillation electric stove controlled heating retort, thermometer real-time measurement retort outlet pipe temperature, the segment control heating makes each component flow smoothly from the retort outlet pipe, different segmentation oil of cutting through the rotation connect appearance ware to collect and weigh, this device convenient to use is swift, easily operation, separation effect is good, be fit for using with coal tar distillation analysis in laboratory.
In order to realize the purpose, the utility model discloses a technical scheme is:
the utility model provides a coal tar ordinary pressure distillation plant is used in laboratory, including the distillation electric stove, the distillation electric stove includes insulation casing 1, liftable be provided with electric heating furnace 1-2 in the insulation casing 1, electric heating furnace 1-2 top is provided with retort 2, 2 upper ends of retort are established and are advanced appearance pipe 2-1, the entrance point of outlet pipe 2-2 is connected to a lateral wall of retort 2, the exit end of outlet pipe 2-2 passes insulation casing 1 and 3 lateral walls of oil bath groove respectively, be linked together with the inner tube 3-1 entrance point of oil bath groove 3, the exit end of inner tube 3-1 passes another lateral wall of oil bath groove 3 to the top of the sample receiving pipe 4-1 of placing on the rotatory sample receiving ware 4.
The top of the oil bath groove 3 is provided with an oil filling opening 3-3, the top of the inner part of the oil bath groove 3 is provided with an electric stirrer 3-2, and the lower part of the oil bath groove 3 is provided with an electric heating coil 3-4.
The inlet end of an inner pipe 3-1 of the oil bath 3 and the side wall of the oil bath 3 are integrally arranged, the inner pipe 3-1 is high in inlet end and low in outlet end, and forms an inclined included angle of 75 +/-5 degrees with the wall of the oil bath, the inner pipe 3-1 is positioned between the electric stirrer 3-2 and the electric heating coil 3-4, and the inner pipe 3-1, the electric stirrer 3-2 and the electric heating coil 3-4 are not in contact.
The outflow pipe 2-2 is positioned between the sampling pipe 2-1 and the oil bath groove 3, and the periphery of the outflow pipe is provided with an electric heating sleeve 1-3.
The bottom of the electric heating furnace 1-2 is provided with a first lifting support 1-1; the bottom of the oil bath groove 3 is provided with a second lifting support 3-5, and the bottom of the second lifting support 3-5 is provided with a moving wheel.
A plurality of placing grooves 4-3 are evenly arranged on the top of the rotary sampler 4, an automatic lifting electronic scale 4-2 is arranged at the bottom of each placing groove 4-3, a sample receiving pipe 4-1 is movably placed in each placing groove 4-3, and the rotary sampler 4 is provided with a weight display 4-4; the automatic lifting electronic scale 4-2 and the weight display 4-4 are externally connected with a control system for controlling lifting, reading weighing data and displaying the data on the weight display 4-4.
The mouth of the sample inlet pipe 2-1 of the distillation flask 2 is provided with a first cork 2-4, the mercury thermometer 2-3 is inserted into the sample inlet pipe 2-1 from the middle of the first cork 2-4, the inlet end of the inner pipe 3-1 of the oil bath groove 3 is provided with a second cork 3-6, and the outlet pipe 2-2 passes through the second cork 3-6 and is communicated with the inner pipe 3-1.
The outer wall of the distillation electric furnace is provided with a first automatic temperature control switch 1-4 for controlling the heating of the electric heating furnace 1-2 and the electric heating sleeve 1-3, and the outer wall of the oil bath groove 3 is provided with a second automatic temperature control switch 3-7 for controlling the heating of the electric heating coil 3-4.
The heat preservation shell 1 is made of high-temperature-resistant materials, the upper portion of the heat preservation shell 1 is open, and a visual window is arranged in front of the heat preservation shell.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model distills the weighed coal tar in the distillation flask 2 by the electric heating furnace 1-2 in the distillation electric furnace and sectionally separates the fractions by the sectional temperature control; through oil bath 3 and oil bath's inner tube 3-1, under the condition of controlling the temperature, make fraction liquid flow out smoothly, connect appearance pipe 4-1 to collect and weigh through automatic rising electronic scale 4-2 different fractions through placing on rotatory sampler 4 and the rotatory sampler 4 that connects, made things convenient for the laboratory coal tar distillation analysis greatly, and simple structure, easily operation, separation effect is good.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a heat-insulating shell; 1-1, a first lifting support; 1-2, electrically heating the furnace; 1-3, an electric heating sleeve; 1-4, a first automatic temperature control switch; 2. a distillation flask; 2-1, a sampling tube; 2-2, an outflow pipe; 2-3, mercury thermometer; 2-4, a first cork; 3. an oil bath groove; 3-1, inner tube; 3-2, an electric stirrer; 3-3, an oil filling port; 3-4, electrically heating a coil; 3-5, a second lifting support; 3-6, a second cork; 3-7, a second automatic temperature control switch; 4. rotating the sampler; 4-1, connecting a sample tube; 4-2, automatically lifting an electronic scale; 4-3, placing grooves; 4-4, a weight display.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1: the utility model provides a coal tar ordinary pressure distillation plant is used in laboratory, including the distillation electric stove, the distillation electric stove includes insulation casing 1, liftable be provided with electric heating furnace 1-2 in the insulation casing 1, electric heating furnace 1-2 top is provided with retort 2, 2 upper ends of retort are established and are advanced appearance pipe 2-1, the entrance point of outlet pipe 2-2 is connected to a lateral wall of retort 2, the exit end of outlet pipe 2-2 passes insulation casing 1 and 3 lateral walls of oil bath groove respectively, be linked together with the inner tube 3-1 entrance point of oil bath groove 3, the exit end of inner tube 3-1 passes another lateral wall of oil bath groove 3 to the top of the sample receiving pipe 4-1 of placing on the rotatory sample receiving ware 4.
The top of the oil bath groove 3 is provided with an oil filling opening 3-3, the top of the inner part of the oil bath groove 3 is provided with an electric stirrer 3-2, and the lower part of the oil bath groove 3 is provided with an electric heating coil 3-4.
The inlet end of an inner pipe 3-1 of the oil bath 3 and the side wall of the oil bath 3 are integrally arranged, the inner pipe 3-1 is high in inlet end and low in outlet end, and forms an inclined included angle of 75 +/-5 degrees with the wall of the oil bath, the inner pipe 3-1 is positioned between the electric stirrer 3-2 and the electric heating coil 3-4, and the inner pipe 3-1, the electric stirrer 3-2 and the electric heating coil 3-4 are not in contact.
The outflow pipe 2-2 is positioned between the sampling pipe 2-1 and the oil bath groove 3, and the periphery of the outflow pipe is provided with an electric heating sleeve 1-3.
The bottom of the electric heating furnace 1-2 is provided with a first lifting support 1-1; the bottom of the oil bath groove 3 is provided with a second lifting support 3-5, the bottom of the second lifting support 3-5 is provided with a moving wheel, and the outflow pipe 2-2 is communicated with the inner pipe 3-1 in an abutting joint mode through adjusting the lifting supports.
A plurality of placing grooves 4-3 are evenly arranged on the top of the rotary sampler 4, an automatic lifting electronic scale 4-2 is arranged at the bottom of each placing groove 4-3, a sample receiving pipe 4-1 is movably placed in each placing groove 4-3, and the rotary sampler 4 is provided with a weight display 4-4; the automatic lifting electronic scale 4-2 and the weight display 4-4 are externally connected with a control system for controlling lifting, reading weighing data and displaying the data on the weight display 4-4.
The mouth of the sample inlet pipe 2-1 of the distillation flask 2 is provided with a first cork 2-4, the mercury thermometer 2-3 is inserted into the sample inlet pipe 2-1 from the middle of the first cork 2-4, the inlet end of the inner pipe 3-1 of the oil bath groove 3 is provided with a second cork 3-6, and the outlet pipe 2-2 passes through the second cork 3-6 and is communicated with the inner pipe 3-1.
The outer wall of the distillation electric furnace is provided with a first automatic temperature control switch 1-4 which controls the heating of the electric heating furnace 1-2 and the electric heating sleeve 1-3, and the outer wall of the oil bath groove 3 is provided with a second automatic temperature control switch 3-7 which controls the heating of the electric heating coil 3-4.
The heat preservation shell 1 is made of high-temperature-resistant materials, the upper portion of the heat preservation shell 1 is open, a visual window is arranged in front of the heat preservation shell, and therefore the distillation condition of coal tar in a distillation flask 2 of the electric distillation furnace 1 and the temperature of a mercury thermometer 2-3 can be observed conveniently.
The electrical control of the device is the prior art and is not described herein.
The utility model discloses a theory of operation:
referring to fig. 1, weighing a dried distillation flask 2, adding dehydrated coal tar after weighing, plugging a cork at the mouth of a sample inlet pipe 2-1, inserting a mercury thermometer 2-3 into the distillation flask 2 from the middle of the cork, and ensuring that the upper end of a mercury bulb of the mercury thermometer 2-3 and the lower edge of the inner wall of an outlet pipe 2-2 are on the same horizontal line; the distillation flask 2 is vertically placed on an electric heating furnace 1-2 in the distillation electric furnace, a cork is arranged at the mouth of the outflow pipe 2-2, the distillation electric furnace and a lifting support at the bottom of the oil bath 3 are adjusted, so that the mouth of the outflow pipe 2-2 of the distillation flask 2 is inserted into the inner pipe of the oil bath 3, and the mouth of the outflow pipe 2-2 and the inner pipe 3-1 form a straight line; the electric heating sleeve 1-3 is wrapped on the outflow pipe 2-2 of the distillation flask 2, and the amount of the silicone oil in the oil bath groove 3 is checked to be not lower than 3/4 of the oil bath groove 3;
electrifying the oil bath 3, starting the electric stirrer 3-2, and setting the temperature of the oil bath 3 through the second automatic temperature control switch 3-7;
electrifying the rotary sample receiver 4, turning on a power switch, and resetting and lifting the automatic lifting electronic scale 4-2 of the rotary sample receiver 4;
electrifying the distillation electric furnace, setting the temperatures of the electric heating sleeves 1-3 and the electric heating furnaces 1-2 through the first automatic temperature control switches 1-4, and controlling the heating rate;
observing the temperature of the mercury thermometer 2-3 through a glass visual window of the distillation electric furnace, switching a sample receiving pipe 4-1 of the rotary sample converter 4 according to different temperature points, lowering the automatic lifting electronic scale 4-2 during switching, starting the rotary sample converter 4, ensuring that an outflow sample can smoothly flow into the sample receiving pipe 4-1, then lifting the automatic lifting electronic scale 4-2, and observing the weight of the sample in real time after zero clearing;
along with the increasing weight of the components of the coal tar, the temperature of an electric heating sleeve 1-3 and the temperature of an oil bath tank 3 need to be raised in a matching way, so that the distillate oil can completely and smoothly flow into a sample receiving pipe 4-1;
and after the distillation is finished, closing the distillation electric furnace, the oil bath 3 and the switch of the rotary sample receiver 4, slowly cooling to the normal temperature of the distillation flask 2, taking out the distillation flask 2 and each fraction sample, and performing next analysis as required.
It should be understood that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the claims.
Claims (9)
1. The utility model provides a coal tar atmospheric distillation device is used in laboratory, includes the distillation electric stove, its characterized in that: the distillation electric furnace comprises a heat preservation shell (1), an electric heating furnace (1-2) is arranged in the heat preservation shell (1) in a lifting mode, a distillation flask (2) is arranged on the top of the electric heating furnace (1-2), a sample inlet pipe (2-1) is arranged at the upper end of the distillation flask (2), one side wall of the distillation flask (2) is connected with an inlet end of an outlet pipe (2-2), an outlet end of the outlet pipe (2-2) penetrates through the heat preservation shell (1) and the side wall of an oil bath groove (3) respectively and is communicated with an inlet end of an inner pipe (3-1) of the oil bath groove (3), and an outlet end of the inner pipe (3-1) penetrates through the other side wall of the oil bath groove (3) to the position above a sample receiving pipe (4-1) placed on a rotary sampler (4).
2. The coal tar atmospheric distillation device for the laboratory according to claim 1, characterized in that: the oil bath tank (3) is characterized in that an oil filling opening (3-3) is formed in the top of the oil bath tank (3), an electric stirrer (3-2) is arranged at the inner top of the oil bath tank (3), and an electric heating coil (3-4) is arranged at the lower part of the oil bath tank (3).
3. The coal tar atmospheric distillation device for the laboratory according to claim 1, characterized in that: the inlet end of an inner pipe (3-1) of the oil bath groove (3) and the side wall of the oil bath groove (3) are integrally arranged, the inner pipe (3-1) is high in inlet end and low in outlet end, and forms an inclined included angle of 75 +/-5 degrees with the oil bath groove wall, the inner pipe (3-1) is located between the electric stirrer (3-2) and the electric heating coil (3-4), and the inner pipe (3-1), the electric stirrer (3-2) and the electric heating coil (3-4) are not in contact.
4. The coal tar atmospheric distillation device for the laboratory according to claim 1, characterized in that: the outflow pipe (2-2) is positioned between the sampling pipe (2-1) and the oil bath groove (3), and an electric heating sleeve (1-3) is arranged on the periphery.
5. The coal tar atmospheric distillation device for the laboratory according to claim 1, characterized in that: the bottom of the electric heating furnace (1-2) is provided with a first lifting support (1-1); the bottom of the oil bath groove (3) is provided with a second lifting support (3-5), and the bottom of the second lifting support (3-5) is provided with a moving wheel.
6. The coal tar atmospheric distillation device for the laboratory according to claim 1, characterized in that: a plurality of placing grooves (4-3) are averagely arranged at the top of the rotary sampler (4), an automatic lifting electronic scale (4-2) is arranged at the bottom of each placing groove (4-3), the sample receiving pipe (4-1) is movably placed in each placing groove (4-3), and the rotary sampler (4) is provided with a weight display (4-4); the automatic lifting electronic scale (4-2) and the weight display (4-4) are externally connected with a control system for controlling lifting, reading weighing data and displaying the data on the weight display (4-4).
7. The coal tar atmospheric distillation device for the laboratory according to claim 1, characterized in that: the mouth of the sample inlet pipe (2-1) of the distillation flask (2) is provided with a first cork (2-4), the mercury thermometer (2-3) is inserted into the sample inlet pipe (2-1) from the middle of the first cork (2-4), the inlet end of the inner pipe (3-1) of the oil bath groove (3) is provided with a second cork (3-6), and the outlet pipe (2-2) penetrates through the second cork (3-6) to be communicated with the inner pipe (3-1).
8. The coal tar atmospheric distillation device for the laboratory according to claim 1, characterized in that: the outer wall of the distillation electric furnace is provided with a first automatic temperature control switch (1-4) for controlling the heating of the electric heating furnace (1-2) and the electric heating sleeve (1-3), and the outer wall of the oil bath groove (3) is provided with a second automatic temperature control switch (3-7) for controlling the heating of the electric heating coil (3-4).
9. The coal tar atmospheric distillation device for the laboratory according to claim 1, characterized in that: the heat-insulating shell (1) is made of high-temperature-resistant materials, the upper portion of the heat-insulating shell (1) is open, and a visual window is arranged in front of the heat-insulating shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220498538.XU CN216826272U (en) | 2022-03-07 | 2022-03-07 | Coal tar atmospheric distillation device for laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220498538.XU CN216826272U (en) | 2022-03-07 | 2022-03-07 | Coal tar atmospheric distillation device for laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216826272U true CN216826272U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220498538.XU Active CN216826272U (en) | 2022-03-07 | 2022-03-07 | Coal tar atmospheric distillation device for laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216826272U (en) |
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2022
- 2022-03-07 CN CN202220498538.XU patent/CN216826272U/en active Active
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