CN220546781U

CN220546781U - Carbon dioxide separation device

Info

Publication number: CN220546781U
Application number: CN202321909036.2U
Authority: CN
Inventors: 张永昌; 张立华; 孙西丽; 赵楠; 李泽齐; 曹亚倩; 秦福敏
Original assignee: Lihe Flavor Qingdao Food Industry Co ltd
Current assignee: Lihe Flavor Qingdao Food Industry Co ltd
Priority date: 2023-07-19
Filing date: 2023-07-19
Publication date: 2024-03-01
Anticipated expiration: 2033-07-19

Abstract

The utility model provides a carbon dioxide separation device, which belongs to the technical field of carbon dioxide separation, and comprises a separation box, wherein the separation box is provided with an air inlet box and an air outlet box, the top end of the air inlet box is fixedly connected with an air inlet pipe, the side surface of the air outlet box is fixedly connected with an air outlet pipe, the air inlet box is communicated with the air outlet box, a first separation plate and a second separation plate are arranged in the air outlet box, a first molecular sieve membrane is fixedly arranged on the first separation plate, a second molecular sieve membrane is fixedly arranged on the second separation plate, and the second separation plate is in sliding connection with the air outlet box; a first groove is formed in one inner side wall of the exhaust box, one end of the first separation plate is hinged in the first groove, a second groove is formed in the inner wall of one side of the exhaust box perpendicular to the first groove, and an angle adjusting mechanism for controlling the first separation plate to rotate is arranged in the second groove; the technical problem that air is easy to enter the separating device in the process of replacing the separating film is solved.

Description

Carbon dioxide separation device

Technical Field

The utility model belongs to the technical field of carbon dioxide separation, and particularly relates to a carbon dioxide separation device.

Background

The pepper is a general seasoning plant in food, has wide application space, and particularly, the pepper essential oil and the pepper oleoresin are more common natural seasonings, the pepper oleoresin adopts an extraction method to extract oily products containing all flavor characteristics of the pepper from the pepper, each kilogram of oily products is equivalent to 2030 kg of aroma and tingling of the pepper, and the extraction method of the pepper needs carbon dioxide gas; the existing carbon dioxide separation methods adopted in industry mainly comprise a physical absorption method, a chemical absorption method, a solid absorption method, a membrane separation method and the like, and the existing devices corresponding to the membrane separation method are used for replacing the separation membranes outside the device aiming at gases with different molecular sizes, so that air is easy to enter the separation device in the replacement process, and the purity of finally separated carbon dioxide is insufficient.

Disclosure of Invention

In view of the above, the present utility model provides a carbon dioxide separation device for solving the technical problem that air is easy to enter the separation device when a separation membrane replacement mode is adopted, and the purity of the finally separated carbon dioxide is insufficient.

The utility model is realized in the following way:

the utility model provides a carbon dioxide separation device which is provided with a separation box, wherein the separation box comprises an air inlet box and an air outlet box, the top end of the air inlet box is fixedly connected with an air inlet pipe, the side surface of the air outlet box is fixedly connected with an air outlet pipe, the air inlet box is communicated with the air outlet box, a first separation plate and a second separation plate are arranged in the air outlet box, a first molecular sieve membrane is fixedly arranged on the first separation plate, a second molecular sieve membrane is fixedly arranged on the second separation plate, and the second separation plate is in sliding connection with the air outlet box;

a first groove is formed in one inner side wall of the exhaust box, one end of the first separation plate is hinged in the first groove, a second groove is formed in the inner wall of one side of the exhaust box perpendicular to the first groove, an angle adjusting mechanism for controlling the first separation plate to rotate is arranged in the second groove, and a piston extrusion mechanism for generating air pressure is arranged in the air inlet box;

the angle adjustment comprises an operation table, a driving motor is arranged on the operation table, a driving wheel is fixedly arranged on an output shaft of the driving motor, a driven wheel is meshed on the driving wheel, a driven rod and a limiting needle are fixedly arranged on the driven wheel, and the driven rod is fixedly connected with the other end of the first separating plate.

The first molecular sieve membrane is used for passing gas molecules with molecular size slightly smaller than that of carbon dioxide; the second molecular sieve membrane is a membrane with a pore size equal to the molecular size of carbon dioxide.

Wherein, all threaded connection has the spiral cover on intake pipe and the blast pipe.

The molecular sieve membrane is a novel membrane material capable of realizing molecular sieving, has the pore diameter, ion exchange performance, high-temperature heat stability performance, excellent shape-selective catalytic performance and easy modification which are equivalent to the molecular size and are uniform, and can be selected from a plurality of different types and different structures, thus being an ideal membrane separation and membrane catalytic material.

On the basis of the technical scheme, the carbon dioxide separation device can be further improved as follows:

further, two limit posts are further arranged on the operation table, the two limit posts are arranged on two sides of the driven wheel along the radial direction, and the limit needle and the driven rod extend out of the periphery of the driven wheel.

Wherein, spacing post is higher than the spacing needle, and the spacing needle can be inconsistent with spacing post.

Further, two hinge seats are fixedly installed in the second groove, and two hinge shafts are fixedly installed on the first separating plate.

Further, a moving rod is fixedly installed at the top of the second separation plate.

Further, the piston extrusion mechanism comprises a pushing seat fixedly installed in the air inlet box, two cranks are rotationally connected to the pushing seat, the cranks are connected with pistons through connecting rods, one ends of the connecting rods are connected with the pistons, connecting shafts are arranged at crank corners on the two cranks, the other ends of the connecting rods are sleeved on the connecting shafts, and rotating shafts of an integrated structure are arranged at the centers of the cranks.

The number of the cranks is two groups, and the same positions of the structure are symmetrical to each other.

Further, a weight reduction groove is formed in the handle body of the connecting rod, and the connecting rod is connected with the piston through a shaft pin.

Further, the piston is far away from the one end fixed mounting who crank has the flitch.

Compared with the prior art, the carbon dioxide separation device provided by the utility model has the beneficial effects that: through setting up first separator plate and second separator plate all in the separator tank, first separator plate can rotate in the separator tank, and the second separator plate can reciprocate for the separator tank, when making the gas of different apertures of separation, does not interfere each other between first separator plate and the second separator plate, need not to take out first separator plate or second separator plate completely, avoids taking out in-process air admission separator tank. Through setting up angle adjustment mechanism, drive first separator plate and it is perpendicular with it at the during operation of second separator plate, drive second separator plate and first separator plate parallel at the during operation of second separator plate. Through setting up second separator plate and exhaust box sliding connection, pull up the second separator plate through the movable rod at first separator plate during operation, but the incomplete escape exhaust box of second separator plate avoids the entering of outside air. Through setting up spacing needle and spacing post, can restrict the rotation scope from the driving wheel.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of a second molecular sieve membrane of a carbon dioxide separation device in operation;

FIG. 2 is a schematic diagram of a carbon dioxide separation device with a first molecular sieve membrane in operation;

FIG. 3 is a schematic view of an angle adjusting mechanism of a carbon dioxide separation device;

FIG. 4 is a schematic diagram of a piston extrusion mechanism of a carbon dioxide separation device;

in the drawings, the list of components represented by the various numbers is as follows:

1. an air inlet box; 10. an air inlet pipe; 2. an exhaust box; 20. an exhaust pipe; 21. a first separation plate; 210. a first molecular sieve membrane; 211. a hinge shaft; 22. a second separation plate; 220. a second molecular sieve membrane; 221. a moving rod; 23. a first groove; 24. a second groove; 30. an operation table; 31. a driving wheel; 32. driven wheel; 33. a driven rod; 34. a limit column; 35. a limiting needle; 4. a pushing seat; 40. a connecting shaft; 41. a crank; 42. a connecting rod; 43. a piston; 44. a rotating shaft; 45. a weight reduction groove; 46. a shaft pin; 47. pushing the plate.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Examples

As shown in fig. 1-4, the utility model provides a carbon dioxide separation device, which is provided with a separation box, wherein the separation box comprises an air inlet box 1 and an air outlet box 2, the top end of the air inlet box 1 is fixedly connected with an air inlet pipe 10, the side surface of the air outlet box 2 is fixedly connected with an air outlet pipe 20, the air inlet box 1 is communicated with the air outlet box 2, a first separation plate 21 and a second separation plate 22 are arranged in the air outlet box 2, a first molecular sieve membrane 210 is fixedly arranged on the first separation plate 21, a second molecular sieve membrane 220 is fixedly arranged on the second separation plate 22, and the second separation plate 22 is in sliding connection with the air outlet box 2;

a first groove 23 is formed in one inner side wall of the exhaust box 2, one end of the first separation plate 21 is hinged in the first groove 23, a second groove 24 is formed in the inner wall of one side of the exhaust box 2 perpendicular to the first groove 23, an angle adjusting mechanism for controlling the first separation plate 21 to rotate is arranged in the second groove 24, and a piston extrusion mechanism for generating air pressure is arranged in the air inlet box 1;

the angle adjustment includes operation panel 30, is equipped with driving motor on the operation panel 30, and fixed mounting has action wheel 31 on driving motor's the output shaft, and the meshing has from the driving wheel 32 on the action wheel 31, from fixed mounting to follow driving rod 33 and spacing needle 35 on the driving wheel 32, and driven rod 33 and the other end fixed connection of first division board 21.

When in use, the screw caps on the air inlet pipe 10 and the air outlet pipe 20 are unscrewed firstly, mixed gas is introduced into the air inlet pipe 10 (at the moment, the first separation plate 21 is not used for gas separation, namely, the first separation plate 21 is completely positioned in the first groove 23 and is vertical to the second separation plate 22), gas molecules with molecular size smaller than carbon dioxide are all discharged along the air outlet pipe 20 through the second molecular sieve membrane 220 (as shown in fig. 1), and carbon dioxide and gas with molecular size larger than carbon dioxide are left in the separation box;

subsequently, the air inlet pipe 10 is closed, the first separation plate 21 is parallel to the second separation plate 22 through the angle adjusting mechanism, and then the second separation plate 22 is pulled up until the second molecular sieve membrane 220 completely leaves the interior of the exhaust box 2 (as shown in fig. 2), so that the carbon dioxide remained in the separation box passes through the first molecular sieve membrane 210 under the action of air pressure through the piston extrusion mechanism, and pure carbon dioxide can be collected at the exhaust pipe 20.

Optionally, in the above technical solution, two limiting posts 34 are further disposed on the operating platform 30, the two limiting posts 34 are disposed on two sides of the driven wheel 32 along the radial direction, and the limiting needle 35 and the driven rod 33 extend out of the outer periphery of the driven wheel 32.

Alternatively, in the above technical solution, two hinge seats are fixedly installed in the second groove 24, and two hinge shafts 211 are fixedly installed on the first separation plate 21.

Alternatively, in the above-described technical solution, the moving rod 221 is fixedly installed at the top of the second separation plate 22.

Optionally, in the above technical scheme, the piston extrusion mechanism includes the pushing seat 4 of fixed mounting in the inlet box 1, and pushing seat 4 internal rotation is connected with two cranks 41, and crank 41 is connected with piston 43 through connecting rod 42, and the one end of connecting rod 42 is connected with piston 43, and the crank department on two cranks 41 all is equipped with connecting axle 40, and connecting axle 40 is located to the other end cover of connecting rod 42, and the center of crank 41 all is provided with the pivot 44 of integral type structure.

Optionally, in the above technical solution, a weight-reducing groove 45 is provided at the handle body of the connecting rod 42, and the connecting rod 42 is connected with the piston 43 through a shaft pin 46.

Alternatively, in the above-described embodiment, the end of the piston 43 remote from the crank 41 is fixedly provided with the push plate 47.

The working process of the angle adjusting mechanism is as follows: the driving motor is started, the driving motor drives the driving wheel 31 to rotate, the driving wheel 31 drives the driven wheel 32 meshed with the driving wheel 31 to rotate, the driven rod 33 on the driven wheel 32 drives the first separation plate 21 to rotate, and the first separation plate 21 is hinged with the first separation plate 21 until the first separation plate 21 is parallel to the second separation plate 22 through the first groove 23, so that the first separation plate 21 performs gas separation work.

The working process of the piston extrusion mechanism is as follows: the crank 41 is rotated in the pushing seat 4, and the piston 43 is connected to the crank 41 via the connecting rod 42, so that the pushing plate 47 is moved in the direction of the exhaust pipe 20, thereby compressing the gas.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a carbon dioxide separation device, has the separator box, the separator box includes inlet box (1) and exhaust case (2), the top fixedly connected with intake pipe (10) of inlet box (1), the side fixedly connected with blast pipe (20) of exhaust case (2), characterized in that, inlet box (1) with exhaust case (2) are linked together, be equipped with first separation board (21) and second separation board (22) in exhaust case (2), fixed mounting has first molecular sieve membrane (210) on first separation board (21), fixed mounting has second molecular sieve membrane (220) on second separation board (22), second separation board (22) with exhaust case (2) sliding connection;

a first groove (23) is formed in one inner side wall of the exhaust box (2), one end of the first separation plate (21) is hinged in the first groove (23), a second groove (24) is formed in the inner wall of one side of the exhaust box (2) perpendicular to the first groove (23), an angle adjusting mechanism for controlling the first separation plate (21) to rotate is arranged in the second groove (24), and a piston extrusion mechanism for generating air pressure is arranged in the air inlet box (1);

the angle adjustment comprises an operation table (30), a driving motor is arranged on the operation table (30), a driving wheel (31) is fixedly arranged on an output shaft of the driving motor, a driven wheel (32) is meshed on the driving wheel (31), a driven rod (33) and a limiting needle (35) are fixedly arranged on the driven wheel (32), and the driven rod (33) is fixedly connected with the other end of the first separation plate (21).

2. A carbon dioxide separation device according to claim 1, characterized in that the operating table (30) is further provided with two limit posts (34), two limit posts (34) being provided on both sides of the driven wheel (32) in the radial direction, the limit needle (35) and the driven rod (33) both extending beyond the periphery of the driven wheel (32).

3. A carbon dioxide separation device according to claim 1, characterized in that two hinge seats are fixedly mounted in the second recess (24), and two hinge shafts (211) are fixedly mounted on the first separation plate (21).

4. A carbon dioxide separation device according to claim 3, characterized in that the top of the second separation plate (22) is fixedly fitted with a moving rod (221).

5. The carbon dioxide separation device according to claim 1, wherein the piston extrusion mechanism comprises a pushing seat (4) fixedly installed in the air inlet box (1), two cranks (41) are rotationally connected to the pushing seat (4), the cranks (41) are connected with pistons (43) through connecting rods (42), one ends of the connecting rods (42) are connected with the pistons (43), connecting shafts (40) are arranged at crank positions on the two cranks (41), the other ends of the connecting rods (42) are sleeved on the connecting shafts (40), and rotating shafts (44) of integrated structures are arranged at the centers of the cranks (41).

6. The carbon dioxide separation device according to claim 5, wherein a weight reduction groove (45) is formed at the handle body of the connecting rod (42), and the connecting rod (42) is connected with the piston (43) through a shaft pin (46).

7. A carbon dioxide separation device according to claim 6, characterized in that the end of the piston (43) remote from the crank (41) is fixedly provided with a push plate (47).