Multi-stage rectifying tower for producing chemical raw materials

Abstract

A multistage rectifying tower for chemical raw material production comprises a kettle body arranged outside, supporting legs arranged at the bottom end of the kettle body, a bent steam heating pipe installed at the bottom of the inner side of the kettle body, a discharging pipe arranged in the middle of the bottom end of the kettle body, a feeding pipe arranged on one side of the middle of the kettle body, a distillation discharging opening formed in the middle of the top end of the kettle body and a circulating assembly. A circulating assembly is mounted in the kettle body; the circulating assembly comprises a circulating pump, a liquid pumping pipe, a connecting pipe, a splitter plate and a second through hole, the circulating pump is installed on one side of the kettle body, one side of the circulating pump is connected with the liquid pumping pipe penetrating through the kettle body, one end of the liquid pumping pipe is connected with the connecting pipe, a confluence plate is installed at one end of the connecting pipe, and two guide columns fixed in the kettle body are symmetrically inserted into the confluence plate. The rectification device is novel in structure and ingenious in conception, materials needing to be rectified can be conveniently circulated, contact between the materials and a heating component is improved, rectification efficiency and rectification effect are improved, and use is facilitated.

Description

Technical Field

[0001] The utility model relates to a multi-stage distillation tower, in particular to a multi-stage distillation tower used for the production of chemical raw materials. Background Art

[0002] A distillation tower is a tower-type gas-liquid contact device for distillation. It uses the different volatilities of the components in the mixture, that is, the different vapor pressures of the components at the same temperature, to transfer the light components in the liquid phase to the gas phase, and the heavy components in the gas phase to the liquid phase, thereby achieving the purpose of separation.

[0003] After searching, the publication number is (CN217939172U), which discloses a multi-stage distillation tower for chemical raw material production, including a fixed frame, the outside of the fixed frame is fixedly connected to a reactor, the outside of the reactor is fixedly connected to a feed pipe, the inside of the reactor is fixedly connected to a partition plate 1, the outside of the partition plate 1 is fixedly connected to a bent steam heating pipe, and the outside of the partition plate 1 is fixedly connected to a separation electric control valve.

[0004] In the process of realizing the utility model, the inventors found that there are at least the following problems in the prior art that have not been solved: although the utility model distills the chemical raw materials inside the reactor by bending the steam heating tube, the chemical raw materials cannot be fully heated, thereby affecting the distillation efficiency and being unfavorable for use. Utility Model Content

[0005] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a multi-stage distillation tower for the production of chemical raw materials, which effectively solves the problem that the current leg strength training device for track and field athletes cannot adjust the training intensity according to their own conditions during training, cannot enter a good training state, and is inconvenient and not conducive to use for training users with different leg lengths.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: the utility model comprises an externally arranged kettle body, a support leg arranged at the bottom of the kettle body, a curved steam heating pipe installed at the bottom of the inner side of the kettle body, a discharge pipe arranged at the middle of the bottom of the kettle body, a feed pipe arranged at one side of the middle of the kettle body, and a distillation discharge port installed at the middle of the top of the kettle body, and also comprises a circulation component, and the circulation component is installed in the kettle body;

[0007] The circulation component includes a circulation pump, a liquid extraction pipe, a connecting pipe, a confluence plate, a guide column, a limit block, a first through hole, an air bag, an infusion pipe, a diverter plate and a second through hole. The circulation pump is installed on one side of the kettle body, one side of the circulation pump is connected to a liquid extraction pipe that runs through the kettle body, one end of the liquid extraction pipe is connected to a connecting pipe, one end of the connecting pipe is installed with a confluence plate, two guide columns fixed inside the kettle body are symmetrically plugged on the confluence plate, a first through hole is provided at the position of the confluence plate corresponding to the guide column, a plurality of air bags are installed on the top of the confluence plate, a liquid extraction pipe that runs through the kettle body is connected to the other side of the circulation pump, a diverter plate fixed to the bottom of the inner side of the kettle body is installed on one end of the infusion pipe, and a plurality of second through holes are provided in the middle of the bottom end of the confluence plate and the diverter plate.

[0008] Preferably, a discharge valve is installed on the discharge pipe.

[0009] Preferably, the surfaces of the extraction tube and the infusion tube are both wrapped with thermal insulation cotton.

[0010] Preferably, a limiting block is provided at the bottom end of the guide column.

[0011] Preferably, the diameter of the first through hole is smaller than the width of the limiting block.

[0012] Preferably, the confluence plate and the diversion plate are both components made of a corrosion-resistant material.

[0013] Beneficial effects: When the utility model is used, the material to be distilled is transported to the interior of the kettle through the feed pipe, and heated and distilled through the bent steam heating pipe (this is the prior art). When in use, the circulating pump works, and the circulating pump extracts the material above the kettle through the liquid extraction pipe, the connecting pipe and the junction plate. The extracted material is transported to the diverter plate through the infusion pipe, and flows out to the bottom of the kettle through the through hole at the bottom of the diverter plate. In this way, the material is circulated to ensure that the material inside the kettle can be better heated and distilled by the bent steam heating pipe, thereby improving the distillation efficiency and distillation effect. The air bag is provided so that the junction plate can be suspended on the surface of the material, which is convenient for use. The utility model has a novel structure and an ingenious conception. It is convenient to circulate the material to be distilled, improves the contact between the material and the heating component, improves the distillation efficiency and distillation effect, and is convenient for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a top view of the confluence plate of the utility model;

[0017] Figure 3 This is a bottom view of the diverter plate of the utility model;

[0018] Numbers in the figure: 1. kettle body; 2. support leg; 3. bent steam heating pipe; 4. discharge pipe; 5. discharge valve; 6. feed pipe; 7. distillation outlet; 8. circulation component; 9. circulation pump; 10. suction pipe; 11. connecting pipe; 12. junction plate; 13. guide column; 14. limit block; 15. through hole; 16. air bag; 17. infusion tube; 18. diverter plate; 19. through hole. DETAILED DESCRIPTION

[0019] The following is combined with Figure 1-3 The specific implementation modes of the present utility model are further described in detail.

[0020] Embodiment 1, by Figure 1-3 The utility model provides a multi-stage distillation tower for chemical raw material production, comprising a kettle body 1 arranged outside, a leg 2 arranged at the bottom of the kettle body 1, a bent steam heating pipe 3 installed at the bottom of the inner side of the kettle body 1, a discharge pipe 4 arranged in the middle of the bottom of the kettle body 1, a feed pipe 6 arranged on one side of the middle of the kettle body 1 and a distillation outlet 7 installed in the middle of the top of the kettle body 1, and also comprising a circulation component 8, a circulation pump 9, a liquid extraction pipe 10, a connecting pipe 11, a confluence plate 12, a guide column 13, a limit block 14, a through hole 15, an air bag 16, a liquid infusion pipe 17, a diverter plate 18 and a through hole 19, and a circulation component 8 is installed in the kettle body 1;

[0021] The circulation assembly 8 includes a circulation pump 9, a liquid extraction pipe 10, a connecting pipe 11, a junction plate 12, a guide column 13, a limit block 14, a through hole 15, an air bag 16, an infusion pipe 17, a diverter plate 18 and a through hole 19. The circulation pump 9 is installed on one side of the kettle body 1. One side of the circulation pump 9 is connected to the liquid extraction pipe 10 that runs through the kettle body 1. One end of the liquid extraction pipe 10 is connected to the connecting pipe 11. One end of the connecting pipe 11 is installed with a junction plate 12. Two guide columns 13 fixed inside the kettle body 1 are symmetrically inserted on the junction plate 12. The junction plate 12 is provided with through holes 15 at positions corresponding to the guide columns 13. Several air bags 16 are installed at the top of the junction plate 12. The other side of the circulation pump 9 is connected to the infusion pipe 17 that runs through the kettle body 1. One end of the infusion pipe 17 is installed with a diverter plate 18 fixed to the inner bottom of the kettle body 1. Several through holes 19 are provided in the middle of the bottom ends of the junction plate 12 and the diverter plate 18.

[0022] Embodiment 2

[0023] In the first embodiment, the discharge pipe 4 is difficult to control. Figure 1 As another preferred embodiment, the difference from the first embodiment is that a discharge valve 5 is installed on the discharge pipe 4 to facilitate the control of the discharge pipe 4.

[0024] Embodiment 3

[0025] In the first embodiment, the heat preservation performance of the liquid extraction tube 10 and the liquid infusion tube 17 is insufficient. Figure 1 As another preferred embodiment, the difference from the first embodiment is that the surfaces of the liquid extraction tube 10 and the liquid infusion tube 17 are wrapped with thermal insulation cotton, so that the liquid extraction tube 10 and the liquid infusion tube 17 have better thermal insulation performance.

[0026] Embodiment 4

[0027] In the first embodiment, the bottom end of the guide column 13 is not convenient to limit. Figure 1 As another preferred embodiment, the difference from the first embodiment is that a limiting block 14 is provided at the bottom end of the guide column 13 to facilitate limiting the bottom end of the guide column 13.

[0028] Embodiment 5

[0029] The limit block 14 in the fourth embodiment is inconvenient to use. Figure 1 As another preferred embodiment, the difference from the fourth embodiment is that the diameter of the through hole 15 is smaller than the width of the limit block 14, which facilitates the use of the limit block 14 for limiting.

[0030] Embodiment 6

[0031] The corrosion resistance of the confluence plate 12 and the diversion plate 18 in the first embodiment is insufficient. Figure 1 As another preferred embodiment, the difference from the first embodiment is that the confluence plate 12 and the diversion plate 18 are both components made of a corrosion-resistant material, so that the confluence plate 12 and the diversion plate 18 have good corrosion resistance.

[0032] Working principle: When the utility model is used, the material to be distilled is transported to the interior of the kettle body 1 through the feed pipe 6, and heated and distilled through the bent steam heating pipe 3 (this is the prior art). When in use, the circulating pump 9 works, and the circulating pump 9 works to extract the material on the upper part of the kettle body 1 through the liquid extraction pipe 10, the connecting pipe 11 and the confluence plate 12. The extracted material is transported to the diverter plate 18 through the infusion pipe 17, and flows out to the bottom of the kettle body 1 through the through hole 19 at the bottom end of the diverter plate 18. In this way, the material is circulated to ensure that the material inside the kettle body 1 can be better heated and distilled by the bent steam heating pipe 3, thereby improving the distillation efficiency and the distillation effect. The air bag 16 is arranged so that the confluence plate 12 can be suspended on the surface of the material, which is convenient for use.

[0033] Beneficial effects: The utility model has a novel structure and an ingenious conception, is convenient for circulating materials that need to be distilled, improves the contact between the materials and the heating components, improves the distillation efficiency and the distillation effect, and is convenient for use.

[0034] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principles and processes, and no longer explains the electrical control.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A multi-stage distillation tower for chemical raw material production, comprising a kettle body (1) arranged outside, a support leg (2) arranged at the bottom end of the kettle body (1), a bent steam heating pipe (3) installed at the bottom of the inner side of the kettle body (1), a discharge pipe (4) arranged at the middle of the bottom end of the kettle body (1), a feed pipe (6) arranged at one side of the middle of the kettle body (1) and a distillation discharge port (7) installed at the middle of the top end of the kettle body (1), characterized in that: It also includes a circulation component (8), and the circulation component (8) is installed in the kettle body (1); The circulation assembly (8) comprises a circulation pump (9), a liquid extraction pipe (10), a connecting pipe (11), a junction plate (12), a guide column (13), a stopper (14), a first through hole (15), an air bag (16), a liquid infusion pipe (17), a splitter plate (18) and a second through hole (19); the circulation pump (9) is mounted on one side of the kettle body (1); one side of the circulation pump (9) is connected to a liquid extraction pipe (10) that passes through the kettle body (1); one end of the liquid extraction pipe (10) is connected to a connecting pipe (11); one end of the connecting pipe (11) is mounted with a junction plate (12); Two guide columns (13) fixed inside the kettle body (1) are symmetrically inserted on the junction plate (12); a first through hole (15) is provided at a position of the junction plate (12) corresponding to the guide column (13); a plurality of air bags (16) are installed at the top of the junction plate (12); a liquid infusion tube (17) penetrating the kettle body (1) is connected to the other side of the circulation pump (9); a diverter plate (18) fixed to the bottom of the inner side of the kettle body (1) is installed at one end of the liquid infusion tube (17); and a plurality of second through holes (19) are provided in the middle of the bottom ends of the junction plate (12) and the diverter plate (18).

2. A multi-stage distillation tower for chemical raw material production as claimed in claim 1, characterized in that: A discharge valve (5) is installed on the discharge pipe (4).

3. A multi-stage distillation tower for chemical raw material production according to claim 1, characterized in that: The surfaces of the liquid extraction tube (10) and the liquid infusion tube (17) are both wrapped with thermal insulation cotton.

4. A multi-stage distillation tower for chemical raw material production as claimed in claim 1, characterized in that: A limiting block (14) is arranged at the bottom end of the guide column (13).

5. A multi-stage distillation tower for chemical raw material production as claimed in claim 4, characterized in that: The diameter of the first through hole (15) is smaller than the width of the limiting block (14).

6. A multi-stage distillation tower for chemical raw material production as claimed in claim 1, characterized in that: The confluence plate (12) and the diversion plate (18) are both components made of a corrosion-resistant material.

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