Novel rectifying tower

Abstract

The utility model discloses a novel rectifying tower which comprises a primary tower, a secondary tower is arranged above the primary tower, the inner wall of the primary tower is fixedly connected with a primary tower plate, the inner wall of the secondary tower is fixedly connected with a secondary tower plate, the upper surface of the primary tower plate and the upper surface of the secondary tower plate are both provided with partition grooves, and the partition grooves are communicated with the primary tower plate and the secondary tower plate. The lower surface of the first-stage tower plate and the lower surface of the second-stage tower plate are each provided with a back cavity, the inner side of each back cavity is fixedly provided with a filling cotton layer, the side edges of the first-stage tower plate and the second-stage tower plate are connected with liquid connecting pipes at equal intervals, and the ends of the liquid connecting pipes are connected and communicated with liquid injection pipes. A tower top cover is mounted at the top of the secondary tower; the primary tower and the secondary tower are arranged, and improved efficient tower plate structures are arranged in the primary tower and the secondary tower, so that the gas-liquid contact area can be increased, the gas-liquid contact is sufficient, the extraction efficiency is improved, and the energy consumption is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to rectifying tower technical field, concretely is a new rectifying tower. BACKGROUND

[0002] Rectifying tower is a tower type gas liquid contact device for rectification, utilizes the different volatility of each component in mixture, namely the vapor pressure of each component at the same temperature is different, makes the light component (low boiling point substance) in liquid phase transfer to gas phase, and the heavy component (high boiling point substance) in gas phase transfers to liquid phase, thereby realizes the purpose of separation, and rectifying tower is widely applied to oxygen efficient extraction in industrial gas preparation field, and at present, industrial gas preparation field mainly adopts low temperature air separation and pressure swing adsorption (PSA) technology to extract oxygen.

[0003] The existing rectifying tower, the gas-liquid contact area is limited, so the gas-liquid contact is insufficient, and then energy consumption is increased, equipment operation cost is high, it does not meet the modern environmental protection requirement, and the extraction efficiency and purity of oxygen are limited by technology, and need to be improved.

[0004] Therefore, the person skilled in the art provides a new rectifying tower to solve the problems in the above background. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a new rectifying tower to solve the problem of the existing rectifying tower that the gas-liquid contact area is limited and the contact is insufficient in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A new rectifying tower, comprising: a primary tower, a secondary tower is installed above the primary tower, and a sealing plate is fixedly connected to the upper inner side of the primary tower and the upper inner side of the secondary tower, a primary tower plate is fixedly connected to the inner wall of the primary tower, a secondary tower plate is fixedly connected to the inner wall of the secondary tower, a groove is arranged on the upper surface of the primary tower plate and the secondary tower plate, gas ports are equally penetrated in the groove bottom, a back cavity is formed in the lower surface of the primary tower plate and the secondary tower plate, a cotton layer is fixedly arranged in the inner side of the back cavity, liquid connection pipes are equally connected to the side edges of the primary tower plate and the secondary tower plate, liquid injection pipes are connected and communicated with the end of the liquid connection pipe, the liquid injection pipes are respectively led out from the upper side wall of the primary tower and the secondary tower, a tower top cover is installed on the top of the secondary tower, an oxygen extraction port is fixedly arranged in the top center of the tower top cover, and an air inlet is arranged on the lower outer wall of the primary tower.

[0008] The utility model discloses a kind of schemes, the upper end of the first tower is tightly installed with dispersion plate between the inner side of lower end of the second tower, and gas channel is uniformly penetrated in the inside of dispersion plate.

[0009] As one of the utility model, the upper end of the gas channel is movably embedded with hollow embedded ball, and the hollow embedded ball is fixedly connected and communicated with gas distribution pipe.

[0010] As one of the utility model, the gas distribution pipe is conical structure, and the direction of each gas distribution pipe is different.

[0011] As one of the utility model, the first tower plate and the second tower plate are spiral structure, and the spiral direction of the first tower plate and the second tower plate is opposite, and the upper of the first tower plate and the second tower plate is directly fixedly connected with sealing plate.

[0012] As one of the utility model, the groove is evenly arranged on the upper surface of the first tower plate and the second tower plate, and the groove is communicated with back cavity through gas port.

[0013] As one of the utility model, the outer wall of the first tower and the second tower is fixedly connected with air adjusting pipe, and the middle of the air adjusting pipe is provided with air pump.

[0014] Compared with prior art, the utility model has the advantages that:

[0015] 1, setting up a first tower and a second tower, the first tower and the second tower are provided with improved high-efficiency tower plate structure, which can increase the gas-liquid contact area, make the gas-liquid contact sufficient, and also use the air pump to extract the gas flow again and adjust it back to the bottom of the first tower and the second tower, so that the gas flow passes through the first tower plate and the second tower plate again, thereby greatly maintaining the control ability of gas flow mobility, further improving the gas-liquid contact range, greatly improving the extraction efficiency and reducing energy consumption.

[0016] 2, the first tower plate and the second tower plate use the filling cotton layer to lock the liquid composition well, so that the gas flow can contact the liquid well when contacting, and the gas flow has a very large contact area with the liquid when passing through the first tower plate and the second tower plate from bottom to top, and the gas flow enters from the filling cotton layer and exits from the gas port in each groove, and repeats multiple times, so that the gas and liquid are in full contact, realizing good and comprehensive circulation extraction.

[0017] 3, the gas flow extracted by the first tower passes through the gas distribution pipes with different directions and enters the second tower in a large-scale dispersion manner, which helps to improve the gas-liquid contact effect, improve the work efficiency and reduce the production energy consumption. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1It is a disassembled structure diagram of a new rectifying tower.

[0019] Figure 2 It is a whole structure diagram of a new rectifying tower.

[0020] Figure 3 It is a structure diagram of a new rectifying tower. Figure 1 It is an enlarged structure diagram of A.

[0021] Figure 4 It is a structure diagram of a new rectifying tower. Figure 1 It is an enlarged structure diagram of B.

[0022] Figure 5 It is a partial structure diagram of the back of a tower plate in a new rectifying tower.

[0023] In the figure: 1, primary tower; 2, dispersion plate; 3, gas channel; 4, hollow embedded ball; 5, gas distribution pipe; 6, secondary tower; 7, sealing plate; 8, primary tower plate; 9, secondary tower plate; 10, separation groove; 11, gas port; 12, back cavity; 13, cotton filling layer; 14, liquid connecting pipe; 15, liquid injection pipe; 16, air regulating pipe; 17, air pump; 18, tower top cover; 19, oxygen extraction port; 20, air inlet. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Please refer to Figures 1-5 The embodiment of the present application provides a new rectifying tower, which comprises: a primary tower 1, a secondary tower 6 is installed above the primary tower 1, and a sealing plate 7 is fixedly connected to the upper inner side of the primary tower 1 and the upper inner side of the secondary tower 6; a dispersion plate 2 is tightly installed between the upper inner side of the primary tower 1 and the lower inner side of the secondary tower 6, and gas channels 3 are uniformly and internally penetrated through the dispersion plate 2; hollow embedded balls 4 are movably embedded in the upper inner side of the gas channels 3, and gas distribution pipes 5 are fixedly connected to and communicated with the upper sides of the hollow embedded balls 4; the gas distribution pipes 5 are conical in structure, and the directions of the gas distribution pipes 5 are different.

[0026] Specifically, the first tower 1 and the second tower 6 are separated by a distribution plate 2, the distribution plate 2 can flow the gas flow by the gas channel 3 itself, the gas flow in the first tower 1 can enter the second tower 6 to continue the oxygen extraction work, that is, the first tower 1 and the second tower 6 perform the oxygen extraction work twice in turn, which can greatly improve the extraction efficiency and oxygen purity, the hollow embedded ball 4 on the distribution plate 2 can rotate an angle, so as to rotate each gas distribution pipe 5 and adjust the orientation of the pipe opening of each gas distribution pipe 5, so that the gas flow output from the first tower 1 can be quickly dispersed into the second tower 6, which helps to improve the work efficiency and reduce the production energy consumption;

[0027] The inner wall of the first tower 1 is fixedly connected with a first tower plate 8, and the inner wall of the second tower 6 is fixedly connected with a second tower plate 9; the first tower plate 8 and the second tower plate 9 are both in a spiral structure, the spiral directions of the first tower plate 8 and the second tower plate 9 are opposite, and the upper portions of the first tower plate 8 and the second tower plate 9 are both directly fixedly connected with the sealing plate 7;

[0028] Specifically, the first tower plate 8 and the second tower plate 9 are used to complete the contact work between the gas and the liquid, the first tower plate 8 and the second tower plate 9 are arranged in a spiral structure, and the uppermost portions of the first tower plate 8 and the second tower plate 9 are both blocked by the sealing plate 7; when the gas flow passes from bottom to top, the gas flow can repeatedly and fully contact the liquid on the first tower plate 8 and the second tower plate 9, the contact area is large, and the contact effect is good;

[0029] The upper surfaces of the first tower plate 8 and the second tower plate 9 are both arranged with a separation groove 10, the groove bottoms of the separation grooves 10 are all penetrated by gas ports 11 at equal distances, the lower surfaces of the first tower plate 8 and the second tower plate 9 are both provided with back cavities 12, the inner sides of the back cavities 12 are both fixedly provided with a filling cotton layer 13, the separation grooves 10 are uniformly arranged on the upper surfaces of the first tower plate 8 and the second tower plate 9 respectively, the separation grooves 10 are connected with the back cavities 12 through the gas ports 11, the side edges of the first tower plate 8 and the second tower plate 9 are all connected with liquid connection pipes 14 at equal distances, and the end portions of the liquid connection pipes 14 are connected with liquid injection pipes 15, and the liquid injection pipes 15 are respectively arranged to pass out from the upper side walls of the first tower 1 and the second tower 6;

[0030] Specifically, the back cavities 12 are arranged on the lower surfaces of the first tower plate 8 and the second tower plate 9, and the filling cotton layer 13 in the back cavities 12 is used to absorb and lock the liquid components, so that the contact area between the gas flow and the liquid is very large when the gas flow passes from bottom to top through the first tower plate 8 and the second tower plate 9; the gas flow enters from the filling cotton layer 13 and exits from the gas ports 11 in the separation grooves 10, and the gas flow repeatedly contacts the liquid, so that the comprehensive circulation extraction is realized;

[0031] The outer walls of the first tower 1 and the second tower 6 are both fixedly connected with an air adjusting pipe 16, and the middle portions of the air adjusting pipes 16 are both installed with an air pump 17;

[0032] Specifically, in the first tower 1 and the second tower 6, the gas flow located above the tower after extraction can be sucked back to the lower part of the tower through the gas adjusting pipe 16 by the suction of the air pump 17, and then repeatedly contacts with the liquid again through the first tower plate 8 and the second tower plate 9, so that the oxygen with high purity can be obtained.

[0033] The top of the second tower 6 is provided with a tower top cover 18, and the top center of the tower top cover 18 is fixedly provided with an oxygen extraction port 19.

[0034] The working principle of the utility model is as follows:

[0035] The liquid is injected into the filling cotton layer 13 in the back cavity 12 of the back of the first tower plate 8 and the second tower plate 9 through the liquid injection pipe 15 and the liquid connecting pipe 14 respectively, so that the liquid is uniformly immersed, and then the gas flow is introduced, the gas flow enters the first tower 1 through the air inlet 20, the gas flow rises, repeatedly contacts with the liquid in the filling cotton layer 13 when passing through the spiral first tower plate 8, and then repeatedly overflows through the air ports 11 in the separation grooves 10, after rising above the sealing plate 7, the extracted gas flow can return to the bottom of the first tower 1 again through the gas adjusting pipe 16 under the action of the air pump 17, and then pass through the first tower plate 8 again, the gas flow extracted by the first tower 1 enters the second tower 6 through the dispersion plate 2, because the gas distribution pipes 5 on the dispersion plate 2 are not all the same, the gas flow extracted by the first tower 1 enters the second tower 6 in a large-scale dispersed manner, in the second tower 6, the gas flow extracted by the first tower 1 repeats the process in the first tower 1, passes through the second tower plate 9, and obtains high-purity oxygen, and finally the oxygen is transported out through the oxygen extraction port 19.

[0036] The above is only the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A novel rectifying column, characterized by, The application relates to a tower distillation device. The upper end of the primary tower (1) and the lower end of the secondary tower (6) are tightly connected with a dispersing plate (2), and the dispersing plate (2) is uniformly penetrated with air channels (3).

2. A novel rectifying column according to claim 1, characterized in that, The upper end of the air channel (3) is movably embedded with a hollow embedded ball (4), and the upper end of the hollow embedded ball (4) is fixedly connected with and communicated with a gas distribution pipe (5).

3. A novel rectifying column according to claim 2, characterized in that, The gas distribution pipe (5) is a conical structure, and the directions of the gas distribution pipes (5) are different.

4. A novel rectifying column according to claim 3, characterized in that, The primary tower plate (8) and the secondary tower plate (9) are spiral structures, the spiral directions of the primary tower plate (8) and the secondary tower plate (9) are opposite, and the upper ends of the primary tower plate (8) and the secondary tower plate (9) are directly fixedly connected with the sealing plate (7).

5. A novel rectifying column as claimed in claim 1, wherein, The upper surfaces of the primary tower plate (8) and the secondary tower plate (9) are uniformly provided with the separation grooves (10), and the separation grooves (10) are communicated with the back cavities (12) through the gas ports (11).

6. A novel rectifying column as claimed in claim 1, wherein, The outer walls of the primary tower (1) and the secondary tower (6) are fixedly connected with air adjusting pipes (16), and the air adjusting pipes (16) are provided with air pumps (17).

7. A novel rectifying column as claimed in claim 1, wherein, ​

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