CN114100198B

CN114100198B - Coal-based stable light hydrocarbon separation device

Info

Publication number: CN114100198B
Application number: CN202210086307.2A
Authority: CN
Inventors: 李农; 延廷军; 徐兴海; 李金华; 赵新全
Original assignee: Shandong Shengxing New Energy Co ltd
Current assignee: Shandong Shengxing New Energy Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-04-08
Anticipated expiration: 2042-01-25
Also published as: CN114100198A

Abstract

The invention discloses a coal-based stable light hydrocarbon separation device, which relates to the technical field of coal-based stable light hydrocarbon separation and comprises a tank body and a light hydrocarbon separation component, wherein the discharge end of the tank body is connected with the feed end of the light hydrocarbon separation component, a water filtering mechanism is fixedly arranged in the middle of an inner cavity of the tank body, a stamping mechanism is fixedly arranged at the top of the water filtering mechanism, a driving mechanism is arranged at the top of the stamping mechanism, the driving mechanism is in transmission connection with the stamping mechanism, auxiliary transmission mechanisms are arranged on two sides of the top of the stamping mechanism, and three negative pressure forming mechanisms are arranged at the bottom of the water filtering mechanism from left to right. The invention can synchronously carry out the feeding and dehydration operation of Fischer-Tropsch synthesis olefin, does not need to intermittently feed or start equipment, saves manpower, effectively improves the treatment efficiency, and simultaneously, the feeding mode of negative pressure material suction is helpful for improving the treatment efficiency.

Description

Coal-based stable light hydrocarbon separation device

Technical Field

The invention relates to the technical field of coal-based stable light hydrocarbon separation, in particular to a coal-based stable light hydrocarbon separation device.

Background

The stable light hydrocarbon is extracted from natural gas condensate, and is a liquid petroleum product which takes pentane and heavier hydrocarbons as main components, the final boiling point of the liquid petroleum product is not higher than 190 ℃, a small amount of butane is allowed to be contained under the specified vapor pressure, in addition, the saturated vapor pressure of the stable light hydrocarbon is higher, the influence of the storage temperature and pressure is larger, the stability is poor, the volatile is high, and the influence on safety production and environmental protection is larger, the coal-based stable light hydrocarbon is a light hydrocarbon component which is produced by gasifying coal to produce synthesis gas and then through Fischer-Tropsch synthesis and has the distillation range of 25-150 ℃, the main components of the coal-based stable light hydrocarbon are normal paraffin of C4-C9, the content of a small amount of isomeric paraffin and naphthene of C5-C7 is 80-90%, and the impurities are trace moisture, trace sulfides and the like.

The invention patent of patent application publication No. CN 105949027B discloses a coal-based stable light hydrocarbon separation device, which mainly comprises a molecular sieve refiner, an active carbon desulfurizer, a carbon four-fractionating tower, a carbon five-fractionating tower, a carbon six-fractionating tower, a carbon seven-fractionating tower, a carbon eight-fractionating tower, and a conveying pump, a heat exchange device, a cooling device, a storage tank, a pipeline, a valve, an electric instrument device and the like which are matched with the carbon four-fractionating tower, the carbon five-fractionating tower, the carbon six-fractionating tower, the carbon seven-fractionating tower and the carbon eight-fractionating tower. The invention adopts a molecular sieve refiner to dry and dehydrate the coal-based stable light hydrocarbon, adopts an active carbon desulfurizer to desulfurize the coal-based stable light hydrocarbon, and utilizes a carbon four-fractionating tower, a carbon five-fractionating tower, a carbon six-fractionating tower, a carbon seven-fractionating tower and a carbon eight-fractionating tower to gradually separate and stabilize all components of the light hydrocarbon so as to produce and process high-quality light hydrocarbon products.

Meanwhile, the utility model patent of patent application publication No. CN 208260248U discloses a molecular sieve refining device for dewatering in the process of preparing poly-alpha-olefin, which relates to a molecular sieve dewatering device, the number of electric jacks is two, the electric jacks are oppositely arranged at two ends of the barrel, the front ends of the two electric jacks are respectively provided with a retractable ejector rod, the end parts of the two ejector rods are respectively provided with a material cabin, a through cavity is respectively arranged between the two ends of the two material cabins, the two cavities are respectively provided with molecular sieve particles, and the two material cabins respectively extend into the cavity along the two ends of the cavity and can slide in the cavity; the utility model discloses an utilize two electric jack to drive two material cabins in the cavity relative slip, utilize the molecular sieve granule that sets up in two material cabins to adsorb the trace moisture that contains in the ft synthesis alkene of injecting into in with the cavity, played the purpose of the trace moisture that contains in the ft synthesis alkene of quick removal.

After the two patents are researched by the technical personnel in the field, the existing coal-based stable light hydrocarbon separation device is in the actual use process, when the inside of a barrel of a molecular sieve refining device is filled with Fischer-Tropsch synthesis olefin, the feeding is required to be stopped at the moment, the molecular sieve refining device is started and the dehydration treatment is started on the Fischer-Tropsch synthesis olefin inside the molecular sieve refining device, after the Fischer-Tropsch synthesis olefin inside the molecular sieve refining device is dehydrated, the next feeding and treatment operation can be continued, the whole operation process is not consistent, the feeding and starting equipment are required to be intermittently performed by the technical personnel, and the labor is wasted while the actual treatment efficiency is also greatly influenced.

Therefore, it is necessary to develop a coal-based stable light hydrocarbon separation device to solve the above problems.

Disclosure of Invention

The invention aims to provide a coal-based stable light hydrocarbon separation device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a coal-based stable light hydrocarbon separation device comprises a tank body and a light hydrocarbon separation component, wherein the discharge end of the tank body is connected with the feed end of the light hydrocarbon separation component, a water filtering mechanism is fixedly arranged in the middle of an inner cavity of the tank body, a stamping mechanism is fixedly arranged at the top of the water filtering mechanism, a driving mechanism is arranged at the top of the stamping mechanism, the driving mechanism is in transmission connection with the stamping mechanism, auxiliary transmission mechanisms are arranged on two sides of the top of the stamping mechanism, and three negative pressure forming mechanisms are arranged at the bottom of the water filtering mechanism from left to right;

the stamping mechanism comprises a sealing seat, flow channels, a main piston, auxiliary pistons, T-shaped channels and a first movable connecting rod, wherein the sealing seat is fixedly arranged at the top of the mounting plate, the outer side of the sealing seat is fixedly connected with the inner wall of the tank body, the three flow channels are uniformly arranged at the top of the sealing seat in a penetrating manner from left to right, the main piston is arranged at the inner side of the flow channel in the middle in a sliding manner in the vertical direction, the two auxiliary pistons are arranged at the inner side of the flow channels on two sides in a sliding manner in the vertical direction, the three T-shaped channels are arranged in three, the three T-shaped channels are respectively arranged in the main piston and the two auxiliary pistons, and the first movable connecting rod is arranged at the top of the main piston in a rotating manner through a pin shaft and is connected with a crankshaft in the driving mechanism in a rotating manner through a pin shaft;

the negative pressure forming mechanism comprises a sliding chute, a transverse column, a longitudinal column, a sealing plate, a spring and an end plate, the auxiliary transmission mechanism comprises a first fixed rod, a second fixed rod and a second movable connecting rod, the first fixed rod is fixedly arranged on one side of the top of the main piston, the top end of the first fixed rod is in sliding connection with the second movable connecting rod through a pin shaft, the second fixed rod is fixedly arranged on the top of the auxiliary piston, the top end of the second fixed rod is in sliding connection with the second movable connecting rod through a pin shaft, and the second movable connecting rod is in rotating connection with the inner wall of the tank body through a pin shaft;

the water filter comprises a flow channel, and is characterized in that two sliding grooves, two transverse columns, two longitudinal columns, two springs and two end plates are arranged on two side walls inside the flow channel respectively, the two transverse columns are fixedly arranged at the tops of the inner sides of the two longitudinal columns respectively, the two transverse columns and the two longitudinal columns are arranged on the inner sides of the two sliding grooves in the vertical direction in a sliding mode respectively, sealing plates are fixedly sleeved and arranged on the outer sides of the two longitudinal columns respectively, the two springs are sleeved and arranged at the bottoms of the outer sides of the two longitudinal columns respectively, the two end plates are fixedly arranged at the bottoms of the two longitudinal columns respectively, a main piston or an auxiliary piston drives a sealing plate to ascend through the transverse columns and the longitudinal columns, and then the bottoms of molecular sieve filter assemblies in a water filtering mechanism are sealed, so that a negative pressure state is formed inside the flow channel.

Preferably, the water filtering mechanism comprises an installation plate and a molecular sieve filtering component, the molecular sieve filtering component is three and is uniformly nested at the top of the installation plate from left to right, and is three, the molecular sieve filtering component is fixedly connected with the installation plate, the molecular sieve filtering component comprises a cylindrical filter screen, and molecular sieve particles are filled in the cylindrical filter screen.

Preferably, actuating mechanism includes bent axle and driving motor, bent axle one end passes through the bearing rotation with jar internal wall and is connected, the bent axle other end runs through jar internal wall and extends to jar external portion and be connected with the driving motor transmission, driving motor and jar external wall fixed connection.

The invention has the technical effects and advantages that:

the invention is provided with the stamping mechanism, the driving mechanism, the auxiliary transmission mechanism and the negative pressure forming mechanism, so that the driving mechanism is used for driving the main piston positioned in the middle to descend, the main piston is further driven to ascend by the auxiliary transmission mechanism, the Fischer-Tropsch synthesis olefin is extruded to penetrate through the molecular sieve filtering component and enter the bottom of the inner cavity of the tank body, simultaneously, the Fischer-Tropsch synthesis olefin to be dehydrated can enter the flow channels on the two sides, and is extruded to penetrate through the molecular sieve filtering component when the subsequent main piston is reset and ascends, and simultaneously, the negative pressure forming mechanism can be driven to seal the bottom of the molecular sieve filtering component in the ascending process of the main piston or the auxiliary piston, so that the negative pressure is formed in the flow channels, the Fischer-Tropsch synthesis olefin can be sucked through the T-shaped channels more quickly, compared with the same type device in the prior art, the invention can synchronously carry out the feeding and dehydration operation of Fischer-Tropsch synthesis olefin, does not need to intermittently feed or start equipment, saves manpower, effectively improves the treatment efficiency, and simultaneously, the feeding mode of negative pressure material suction is helpful for improving the treatment efficiency.

Drawings

Fig. 1 is an overall front sectional structural view of the present invention.

FIG. 2 is a schematic top sectional view of the can according to the present invention.

Fig. 3 is a schematic view of the middle front cross-sectional structure of the water filtering mechanism and the punching mechanism of the present invention.

Fig. 4 is a left side front sectional structural schematic view of the water filtering mechanism and the punching mechanism of the present invention.

In the figure: 1. a tank body; 2. a water filtering mechanism; 21. mounting a plate; 22. a molecular sieve filtration module; 3. a stamping mechanism; 31. a sealing seat; 32. a flow channel; 33. a primary piston; 34. a secondary piston; 35. a T-shaped channel; 36. a first movable connecting rod; 4. a drive mechanism; 41. a crankshaft; 42. a drive motor; 5. an auxiliary transmission mechanism; 51. a first fixing lever; 52. a second fixing bar; 53. a second movable connecting rod; 6. a negative pressure forming mechanism; 61. a chute; 62. a transverse column; 63. a longitudinal column; 64. a sealing plate; 65. a spring; 66. and an end plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a coal-based stable light hydrocarbon separation device as shown in figures 1-4, which comprises a tank body 1 and a light hydrocarbon separation component, wherein the discharge end of the tank body 1 is connected with the feed end of the light hydrocarbon separation component, a water filtering mechanism 2 is fixedly arranged in the middle of an inner cavity of the tank body 1, a stamping mechanism 3 is fixedly arranged at the top of the water filtering mechanism 2, a driving mechanism 4 is arranged at the top of the stamping mechanism 3, the driving mechanism 4 is in transmission connection with the stamping mechanism 3, auxiliary transmission mechanisms 5 are respectively arranged at two sides of the top of the stamping mechanism 3, three negative pressure forming mechanisms 6 are arranged at the bottom of the water filtering mechanism 2 from left to right, when a driving motor 42 in the driving mechanism 4 drives a crankshaft 41 to rotate, a main piston 33 is repeatedly driven to lift in a middle flow channel 32 through a first movable connecting rod 36 in the stamping mechanism 3, and when the main piston 33 lifts, the first fixed rod 51 and the second movable connecting rod 53 in the auxiliary transmission mechanism 5 drive the second fixed rod 52 to descend or ascend, so that the secondary piston 34 descends or ascends in the flow channel 32 on one side, and when the primary piston 33 or the secondary piston 34 ascends, the primary piston 33 or the secondary piston 34 drives the sealing plate 64 to ascend through the transverse column 62 and the longitudinal column 63, so that the bottom of the molecular sieve filtering component 22 in the water filtering mechanism 2 is sealed, and a negative pressure state is formed in the flow channel 32.

It should be further noted that the light hydrocarbon separation assembly described above belongs to the technology already disclosed in the prior art, and does not belong to the essential technical features of the present application, and therefore, the detailed description of the structure of the light hydrocarbon separation assembly is omitted herein.

As shown in fig. 3 and 4, the water filtering mechanism 2 includes a mounting plate 21 and a molecular sieve filtering assembly 22.

More specifically, molecular sieve filtering component 22 is provided with threely, three molecular sieve filtering component 22 is from the even nested setting in mounting panel 21 top of left right side, and three molecular sieve filtering component 22 all with mounting panel 21 fixed connection, molecular sieve filtering component 22 includes the column filter screen, the inside packing of column filter screen has the molecular sieve granule to when the ft synthesis alkene passes molecular sieve filtering component 22, can be by the molecular sieve granule dehydration.

Meanwhile, the punch mechanism 3 includes a seal holder 31, a flow passage 32, a main piston 33, a sub piston 34, a T-shaped passage 35, and a first movable connecting rod 36.

More specifically, seal receptacle 31 is fixed to be set up in mounting panel 21 top, and its outside and jar body 1 inner wall fixed connection, flow channel 32 is provided with threely, three flow channel 32 evenly runs through from the left hand right side and sets up in seal receptacle 31 top, it is inboard that main piston 33 is slided to set up in the flow channel 32 that is located in the middle of being located in the vertical direction of main piston 33, vice piston 34 is provided with two, two it is inboard that vice piston 34 is slided to set up in the flow channel 32 that is located both sides in the vertical direction of vice piston 34, T shape passageway 35 is provided with threely, three inside main piston 33 and two vice pistons 34 are seted up respectively to T shape passageway 35, first movable connecting rod 36 sets up in main piston 33 top through the round pin axle rotation and is connected with the bent axle 41 rotation in actuating mechanism 4 to main piston 33 or vice piston 34 can promote the inside ft synthesis alkene of flow channel 32 when descending, so that the water flows into the bottom of the inner cavity of the tank body 1 through the molecular sieve filter assembly 22.

As shown in fig. 2, the driving mechanism 4 includes a crankshaft 41 and a driving motor 42.

More specifically, bent axle 41 one end passes through the bearing rotation with jar body 1 inner wall and is connected, bent axle 41 other end runs through jar body 1 inner wall and extends to jar body 1 outside and be connected with driving motor 42 transmission, driving motor 42 and jar body 1 outer wall fixed connection to when driving motor 42 drives bent axle 41 rotatory, can drive main piston 33 through first movable connecting rod 36 among the punching press mechanism 3 and rise repeatedly.

As shown in fig. 3 and 4, the auxiliary transmission mechanism 5 includes a first fixed link 51, a second fixed link 52 and a second movable link 53.

More specifically, the first fixing rod 51 is fixedly arranged on one side of the top of the main piston 33, the top end of the first fixing rod is slidably connected with the second movable connecting rod 53 through a pin shaft, the second fixing rod 52 is fixedly arranged on the top of the auxiliary piston 34, the top end of the second fixing rod is slidably connected with the second movable connecting rod 53 through a pin shaft, and the second movable connecting rod 53 is rotatably connected with the inner wall of the tank body 1 through a pin shaft, so that when the main piston 33 descends, the first fixing rod 51 and the second movable connecting rod 53 drive the second fixing rod 52 to ascend, and the auxiliary piston 34 ascends in the flow channel 32 on one side.

As shown in fig. 4, the negative pressure forming mechanism 6 includes a slide groove 61, a lateral post 62, a longitudinal post 63, a seal plate 64, a spring 65, and an end plate 66.

More specifically, two sliding grooves 61, two transverse columns 62, two longitudinal columns 63, two springs 65 and two end plates 66 are provided, the two sliding grooves 61 are respectively opened on two side walls inside the flow channel 32, the two transverse columns 62 are respectively fixedly provided on the tops of the inner sides of the two longitudinal columns 63, the two transverse columns 62 and the two longitudinal columns 63 are respectively slidably provided on the inner sides of the two sliding grooves 61 in the vertical direction, the sealing plate 64 is fixedly sleeved on the outer sides of the two longitudinal columns 63, the two springs 65 are respectively sleeved on the bottoms of the outer sides of the two longitudinal columns 63, the two end plates 66 are respectively fixedly provided on the bottom ends of the two longitudinal columns 63, so that when the ascending distance of the secondary piston 34 reaches a first threshold value, the secondary piston 34 drives the sealing plate 64 to ascend through the transverse columns 62 and the longitudinal columns 63, further seal the bottom of the molecular sieve filter assembly 22, and as the secondary piston 34 continues to ascend, the spring 65 is compressed, and when the ascending distance of the secondary piston 34 reaches a first threshold value, the secondary piston 34 is located at the feeding position, and the continuous ascending of the secondary piston 34 forms a negative pressure state inside the flow passage 32, and the negative pressure inside the flow passage 32 sucks the fischer-tropsch synthesis olefins at the top of the seal seat 31 into the flow passage 32 through the T-shaped passage 35 formed in the secondary piston 34.

The working principle of the invention is as follows:

in actual use, the Fischer-Tropsch synthesis olefin is input into the tank body 1 from the feed inlet at the top of the tank body 1, at the moment, the device is in the state shown in figure 1, and the liquid Fischer-Tropsch synthesis olefin flows into the flow channel 32 through the T-shaped channel 35 on the main piston 33;

the driving motor 42 is started, the crankshaft 41 is driven to rotate after the driving motor 42 is started, the crankshaft 41 repeatedly drives the main piston 33 to lift in the middle flow channel 32 through the first movable connecting rod 36 when rotating, when the main piston 33 descends, the Fischer-Tropsch synthesis olefin in the middle flow channel 32 is pushed towards the direction close to the molecular sieve filter assembly 22, the Fischer-Tropsch synthesis olefin further passes through the molecular sieve filter assembly 22 and flows to the bottom of the inner cavity of the tank body 1, and the Fischer-Tropsch synthesis olefin is filtered by the molecular sieve filter assembly 22 in the process of passing through the molecular sieve filter assembly 22;

meanwhile, when the main piston 33 descends, the main piston drives the second fixed rod 52 to ascend through the first fixed rod 51 and the second movable connecting rod 53, so that the secondary piston 34 ascends in the flow channel 32 on one side, when the ascending distance of the secondary piston 34 reaches a first threshold value, the secondary piston 34 drives the sealing plate 64 to ascend through the transverse column 62 and the longitudinal column 63, so that the bottom of the molecular sieve filter assembly 22 is sealed, the spring 65 is compressed along with the continuous ascending of the secondary piston 34, when the ascending distance of the secondary piston 34 reaches the first threshold value, the secondary piston 34 is located at the feeding position, the continuous ascending of the secondary piston 34 enables the interior of the flow channel 32 to form a negative pressure state, and the negative pressure in the flow channel 32 sucks the fischer-tropsch synthesis olefin located at the top of the sealing seat 31 into the flow channel 32 through the T-shaped channel 35 formed in the secondary piston 34;

along with the movement of the first movable connecting rod 36 driven by the crankshaft 41, at this time, the main piston 33 rises to the initial position, the auxiliary piston 34 descends to the initial position under the driving of the auxiliary transmission mechanism 5, at this time, the fischer-tropsch synthesis olefins in the side flow channel 32 are extruded by the auxiliary piston 34 to pass through the molecular sieve filter assembly 22, the fischer-tropsch synthesis olefins are sucked into the middle flow channel 32 through the T-shaped channel 35 on the main piston 33, and then the operations are continuously repeated under the driving of the driving motor 42, so that the fischer-tropsch synthesis olefins are continuously dehydrated.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a light hydrocarbon separator is stabilized to coal-based, includes jar body (1) and light hydrocarbon separating element, the discharge end of jar body (1) is connected its characterized in that with light hydrocarbon separating element's feed end: the water filter device is characterized in that a water filtering mechanism (2) is fixedly arranged in the middle of an inner cavity of the tank body (1), a stamping mechanism (3) is fixedly arranged at the top of the water filtering mechanism (2), a driving mechanism (4) is arranged at the top of the stamping mechanism (3), the driving mechanism (4) is in transmission connection with the stamping mechanism (3), auxiliary transmission mechanisms (5) are arranged on two sides of the top of the stamping mechanism (3), and three negative pressure forming mechanisms (6) are arranged at the bottom of the water filtering mechanism (2) from left to right;

stamping mechanism (3) includes seal receptacle (31), flow channel (32), main piston (33), vice piston (34), T shape passageway (35) and first movable connecting rod (36), seal receptacle (31) is fixed to be set up in mounting panel (21) top, and its outside and jar body (1) inner wall fixed connection, flow channel (32) are provided with threely, threely flow channel (32) from left right side evenly run through set up in seal receptacle (31) top, slide on the vertical direction of main piston (33) and set up in flow channel (32) inboard in the middle of being located, vice piston (34) are provided with two, two slide on the vertical direction of vice piston (34) and set up in flow channel (32) inboard that are located both sides, T shape passageway (35) are provided with threely, threely inside main piston (33) and two vice pistons (34) are seted up respectively to T shape passageway (35), the first movable connecting rod (36) is rotatably arranged at the top of the main piston (33) through a pin shaft and is rotatably connected with a crankshaft (41) in the driving mechanism (4) through the pin shaft;

the auxiliary transmission mechanism (5) comprises a first fixed rod (51), a second fixed rod (52) and a second movable connecting rod (53), the first fixed rod (51) is fixedly arranged on one side of the top of the main piston (33), the top end of the first fixed rod is in sliding connection with the second movable connecting rod (53) through a pin shaft, the second fixed rod (52) is fixedly arranged on the top of the auxiliary piston (34), the top end of the second fixed rod is in sliding connection with the second movable connecting rod (53) through a pin shaft, and the second movable connecting rod (53) is in rotating connection with the inner wall of the tank body (1) through a pin shaft;

the negative pressure forming mechanism (6) comprises sliding chutes (61), transverse columns (62), longitudinal columns (63), sealing plates (64), springs (65) and end plates (66), wherein the sliding chutes (61), the transverse columns (62), the longitudinal columns (63), the springs (65) and the end plates (66) are respectively provided with two sliding chutes (61) which are respectively arranged on two side walls in the flow channel (32), the two transverse columns (62) are respectively and fixedly arranged on the tops of the inner sides of the two longitudinal columns (63), the two transverse columns (62) and the two longitudinal columns (63) are respectively and slidably arranged on the inner sides of the two sliding chutes (61) in the vertical direction, the sealing plates (64) are fixedly sleeved on the outer sides of the two longitudinal columns (63), the two springs (65) are respectively and slidably arranged on the bottoms of the outer sides of the two longitudinal columns (63), the two end plates (66) are respectively and fixedly arranged at the bottom ends of the two longitudinal columns (63), the main piston (33) or the auxiliary piston (34) drives the sealing plate (64) to ascend through the transverse column (62) and the longitudinal column (63) so as to seal the bottom of the molecular sieve filtering assembly (22) in the water filtering mechanism (2) and enable the interior of the flow channel (32) to form a negative pressure state.

2. The coal-based stable light hydrocarbon separation device according to claim 1, wherein: water filtering mechanism (2) are including mounting panel (21) and molecular sieve filtering component (22), molecular sieve filtering component (22) are provided with threely, three molecular sieve filtering component (22) are from the even nested setting in mounting panel (21) top of left hand right side, and three molecular sieve filtering component (22) all with mounting panel (21) fixed connection, molecular sieve filtering component (22) are including the column filter screen, the inside packing of column filter screen has the molecular sieve granule.

3. The coal-based stable light hydrocarbon separation device according to claim 2, wherein: actuating mechanism (4) are including bent axle (41) and driving motor (42), bent axle (41) one end passes through the bearing rotation with jar body (1) inner wall and is connected, bent axle (41) other end runs through jar body (1) inner wall and extends to jar body (1) outside and be connected with driving motor (42) transmission, driving motor (42) and jar body (1) outer wall fixed connection.