Fluorotoluene separation and purification heating equipment

Abstract

The utility model discloses fluorotoluene separation and purification heating equipment, and particularly relates to the field of purification heating, which comprises a base, a shell arranged on the top surface of the base, a cavity I fixedly arranged at the bottom end in the shell, a cavity II arranged at the top end in the shell, and a plurality of heat exchange tubes arranged in the shell, a threaded rod is rotationally arranged in the middle of the top face of the first cavity, a connecting ring is arranged on the surface of the threaded rod in a threaded mode, and a cleaning plate is arranged on the connecting ring. When the heat exchange tube needs to be cleaned and a cleaning agent is contained in the shell, the positive and negative rotation motor is started to drive the rotating shaft to rotate, so that the first gear is driven to rotate through the rotating shaft, the first gear is meshed with the second gear to drive the second gear to rotate, the threaded rod is made to rotate, and the connecting ring arranged on the threaded rod moves to clean the heat exchange tube. And the two sets of cleaning plates on the connecting ring can clean the surface of the heat exchange pipe, impurities adhering to the surface of the heat exchange pipe are scraped away, and meanwhile the cleaning effect is improved in cooperation with cleaning of a cleaning agent.

Description

Technical Field

[0001] The utility model relates to the technical field of purification and heating, in particular to fluorotoluene separation and purification heating equipment. Background Art

[0002] Fluorotoluene is an organic compound with three isomers: o-fluorotoluene (2-fluorotoluene), m-fluorotoluene (3-fluorotoluene), and p-fluorotoluene (4-fluorotoluene). These compounds are used as intermediates in the fields of medicine, pesticides, dyes, and insecticides.

[0003] In the separation and purification process of fluorotoluene, heating equipment is required for heating, and steam heating through a reboiler is a common method. The reboiler is a heat exchanger that can exchange heat, and a heat exchange tube is arranged inside the reboiler. Since the heat exchange tube is arranged inside the reboiler, its surface will contact the heating material. In order to ensure the use effect and service life, the surface of the heat exchange tube needs to be cleaned. The common cleaning method is to clean it with a detergent. However, the effect of cleaning with only a detergent is not very good, resulting in incomplete cleaning.

[0004] Therefore, we made improvements on this and proposed a heating equipment for separating and purifying fluorotoluene. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] The utility model discloses a fluorotoluene separation and purification heating device, comprising a base, a shell is fixedly arranged on the top surface of the base, a cavity one is fixedly arranged on the inner bottom end of the shell, a cavity two is fixedly arranged on the inner top of the shell, and a plurality of heat exchange tubes are evenly arranged circumferentially between the cavity one and the cavity two, a threaded rod is rotatably arranged on the middle part of the top surface of the cavity one, a connecting ring is threadedly arranged on the surface of the threaded rod, and a cleaning plate is arranged on the connecting ring, and the cleaning plate is attached to both sides of the heat exchange tube; a liquid inlet pipe is arranged on one side of the shell, and the liquid inlet pipe is connected with the cavity two, and a liquid discharge pipe is arranged on the other side of the shell, and the liquid discharge pipe is connected with the cavity one; a connecting pipe one is also arranged on the side of the shell, and a connecting pipe two is arranged on the top surface of the shell, and both the connecting pipe one and the connecting pipe two are connected with the inside of the shell.

[0007] As a preferred technical solution of the utility model, a mounting groove is opened in the middle of the cavity two, and a gear two is fixedly sleeved on the top surface of the threaded rod; a rotating shaft is rotatably arranged on the top wall of the shell, a gear one is fixedly sleeved on the rotating shaft, and gear one is meshed with gear two for transmission.

[0008] As a preferred technical solution of the utility model, a forward and reverse motor is installed on the top surface of the shell, and the output end of the forward and reverse motor is fixedly connected to the top end of the rotating shaft.

[0009] As a preferred technical solution of the utility model, the top end and the bottom end of the heat exchange tube are respectively connected to the second cavity and the first cavity, and the size of the connecting ring is larger than the size of the installation groove.

[0010] As a preferred technical solution of the utility model, the cleaning plate is arc-shaped, and there are two groups of cleaning plates, which are respectively distributed on the side of the heat exchange tube facing the threaded rod and the side of the heat exchange tube away from the threaded rod, and the cleaning plates are attached to the surface of the heat exchange tube.

[0011] As a preferred technical solution of the utility model, a plurality of connecting rods are evenly distributed along the circumferential direction on the side of the connecting ring, and the ends of the connecting rods away from the connecting ring are commonly connected to an outer ring, and the outer ring is used to connect a cleaning plate arranged away from the side of the threaded rod.

[0012] The beneficial effects of the utility model are:

[0013] In the utility model, when the heat exchange tube needs to be cleaned, a cleaning agent can be installed in the shell, and the forward and reverse motors can be started to drive the rotating shaft to rotate, thereby driving gear one to rotate through the rotating shaft, and gear one is meshed with gear two to drive gear two to rotate, thereby causing the threaded rod to rotate, and the connecting ring arranged on the threaded rod moves, and the two groups of cleaning plates on the connecting ring can clean the surface of the heat exchange tube, scrape off impurities adhering to the surface of the heat exchange tube, and cooperate with the cleaning agent to improve the cleaning effect. 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 This is a schematic diagram of the structure of a fluorotoluene separation and purification heating device of the utility model. Figure 1 ;

[0016] Figure 2 This is a schematic diagram of the structure of a fluorotoluene separation and purification heating device of the utility model. Figure 2 ;

[0017] Figure 3 yes Figure 2 The enlarged view of point A in the middle;

[0018] Figure 4 This is a schematic diagram of the structure of a fluorotoluene separation and purification heating device of the utility model. Figure 3 .

[0019] In the figure: 1. base; 2. cavity 1; 3. cavity 2; 4. heat exchange tube; 5. forward and reverse motor; 6. liquid inlet pipe; 7. liquid discharge pipe; 8. connecting pipe 1; 9. connecting pipe 2; 10. outer ring; 11. outer shell; 12. rotating shaft; 13. gear 1; 14. gear 2; 15. threaded rod; 16. connecting ring; 17. connecting rod; 18. cleaning plate. DETAILED DESCRIPTION

[0020] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0021] Example: Figures 1 to 4 As shown, the utility model is a fluorotoluene separation and purification heating device, including a base 1, a shell 11 is fixedly provided on the top surface of the base 1, a cavity 2 is fixedly provided at the bottom end of the shell 11, a cavity 3 is fixedly provided at the top end of the shell 11, and a plurality of heat exchange tubes 4 are evenly arranged along the circumferential direction between the cavity 12 and the cavity 23, the liquid in the cavity 23 can flow to the heat exchange tube 4, and flow from the heat exchange tube 4 to the cavity 12, the cavity 12 and the cavity 23 are jointly connected to the existing external liquid supply equipment and heating equipment, the heating equipment heats the liquid in the liquid supply equipment, and transports it to the cavity 23 under the action of the existing liquid pump, the heated liquid flows through the heat exchange tube 4, flows to the cavity 12, and is discharged from the cavity 12 to the liquid supply equipment.

[0022] A threaded rod 15 is rotatably provided in the middle of the top surface of the cavity 2, and a connecting ring 16 is threadedly provided on the surface of the threaded rod 15, and a cleaning plate 18 is provided on the connecting ring 16, and the cleaning plate 18 is attached to both sides of the heat exchange tube 4; when the threaded rod 15 rotates, the connecting ring 16 will drive the cleaning plate 18 to move up and down along the threaded rod 15. During the movement, the cleaning plate 18 can scrape off impurities adhering to the surface of the heat exchange tube 4, making the cleaning more thorough.

[0023] A liquid inlet pipe 6 is provided on one side of the shell 11, and the liquid inlet pipe 6 is connected to the cavity 2 3. A liquid discharge pipe 7 is provided on the other side of the shell 11, and the liquid discharge pipe 7 is connected to the cavity 1 2. The heated liquid is transported to the cavity 2 3 through the liquid inlet pipe 6, and the liquid passing through the heat exchange tube 4 is transported to the liquid supply device through the liquid discharge pipe 7. A connecting pipe 1 8 is also provided on the side of the shell 11, and a connecting pipe 2 9 is provided on the top surface of the shell 11, and both the connecting pipe 1 8 and the connecting pipe 2 9 are connected to the inside of the shell 11. The connecting pipe 2 9 and the connecting pipe 1 8 are respectively connected to different interfaces of the equipment for separating and purifying fluorotoluene. The connecting pipe 1 8 is used to inject the liquid in the equipment for separating and purifying fluorotoluene into the shell 11 for heating, and the generated steam enters the separation and purification equipment through the connecting pipe 2 9.

[0024] A mounting groove is provided in the middle of the cavity 2 3, and a gear 2 14 is fixedly sleeved on the top surface of the threaded rod 15; a rotating shaft 12 is rotatably provided on the top wall of the housing 11, and a gear 1 13 is fixedly sleeved on the rotating shaft 12, and the gear 1 13 is meshed with the gear 2 14 for transmission. A forward and reverse motor 5 is installed on the top surface of the housing 11, and the output end of the forward and reverse motor 5 is fixedly connected to the top of the rotating shaft 12. The forward and reverse motor 5 is controlled by an existing controller. When the forward and reverse motor 5 is working, it drives the rotating shaft 12 to rotate, and the rotating shaft 12 rotates the threaded rod 15 through the cooperation of the gear 1 13 and the gear 2 14, thereby moving the connecting ring 16.

[0025] The top and bottom ends of the heat exchange tube 4 are connected to the cavity 2 3 and the cavity 1 2 respectively, and the size of the connecting ring 16 is larger than the size of the installation groove. The cleaning plate 18 is arc-shaped, and there are two groups of cleaning plates 18, which are respectively distributed on the side of the heat exchange tube 4 facing the threaded rod 15 and the side of the heat exchange tube 4 away from the threaded rod 15, and the cleaning plates 18 are attached to the surface of the heat exchange tube 4. A plurality of connecting rods 17 are evenly distributed along the circumferential direction on the side of the connecting ring 16, and the end of the connecting rod 17 away from the connecting ring 16 is commonly connected to the outer ring 10, and the outer ring 10 is used to connect the cleaning plate 18 arranged on the side away from the threaded rod 15.

[0026] The outer ring 10 and the connecting ring 16 can be connected by the connecting ring 17, which can not only play a limiting role so that the connecting ring 16 moves up and down when the threaded rod 15 rotates, but also can be connected to the outer cleaning plate 18. The cleaning effect is better through the inner and outer sets of cleaning plates 18.

[0027] During operation, when the heat exchange tube 4 needs to be cleaned, the shell 11 can be filled with a cleaning agent, and the forward and reverse motors 5 can be started to drive the rotating shaft 12 to rotate, thereby driving the gear 13 to rotate through the rotating shaft 12, and the gear 13 is meshed with the gear 2 14 to drive the gear 2 14 to rotate, thereby causing the threaded rod 15 to rotate, and the connecting ring 16 arranged on the threaded rod 15 moves, and the two sets of cleaning plates 18 on the connecting ring 16 can clean the surface of the heat exchange tube 4, scrape off impurities adhering to the surface of the heat exchange tube 4, and cooperate with the cleaning agent to improve the cleaning effect.

[0028] 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 fluorotoluene separation and purification heating device, comprising a base (1), a top surface of the base (1) being fixedly provided with a housing (11), characterized in that: A cavity 1 (2) is fixedly arranged at the bottom end of the shell (11), a cavity 2 (3) is fixedly arranged at the top end of the shell (11), and a plurality of heat exchange tubes (4) are evenly arranged along the circumferential direction between the cavity 1 (2) and the cavity 2 (3), a threaded rod (15) is rotatably arranged at the middle of the top surface of the cavity 1 (2), a connecting ring (16) is threadedly arranged on the surface of the threaded rod (15), and a cleaning plate (18) is arranged on the connecting ring (16), and the cleaning plate (18) is arranged on the cleaning plate (18). 8) are attached to both sides of the heat exchange tube (4); a liquid inlet pipe (6) is provided on one side of the shell (11), and the liquid inlet pipe (6) is connected to the second cavity (3); a liquid discharge pipe (7) is provided on the other side of the shell (11), and the liquid discharge pipe (7) is connected to the first cavity (2); a connecting pipe (8) is also provided on the side of the shell (11), and a connecting pipe (9) is provided on the top surface of the shell (11), and both the connecting pipe (8) and the connecting pipe (9) are connected to the interior of the shell (11).

2. A fluorotoluene separation and purification heating device according to claim 1, characterized in that: A mounting groove is provided in the middle of the second cavity (3), and a second gear (14) is fixedly sleeved on the top surface of the threaded rod (15); a rotating shaft (12) is rotatably provided on the top wall of the housing (11), and a first gear (13) is fixedly sleeved on the rotating shaft (12), and the first gear (13) is meshed with the second gear (14) for transmission.

3. A fluorotoluene separation and purification heating device according to claim 2, characterized in that: A forward and reverse motor (5) is installed on the top surface of the housing (11), and the output end of the forward and reverse motor (5) is fixedly connected to the top end of the rotating shaft (12).

4. A fluorotoluene separation and purification heating device according to claim 2, characterized in that: The top end and the bottom end of the heat exchange tube (4) are respectively connected to the second cavity (3) and the first cavity (2), and the size of the connecting ring (16) is larger than the size of the installation groove.

5. A fluorotoluene separation and purification heating device according to claim 1, characterized in that: The cleaning plates (18) are arc-shaped, and there are two groups of cleaning plates (18). The two groups of cleaning plates (18) are respectively distributed on a side of the heat exchange tube (4) facing the threaded rod (15) and a side of the heat exchange tube (4) away from the threaded rod (15), and the cleaning plates (18) are attached to the surface of the heat exchange tube (4).

6. A fluorotoluene separation and purification heating device according to claim 5, characterized in that: A plurality of connecting rods (17) are evenly distributed along the circumferential direction on the side surface of the connecting ring (16); one end of the connecting rods (17) away from the connecting ring (16) is commonly connected to an outer ring (10); and the outer ring (10) is used to connect to a cleaning plate (18) arranged on the side away from the threaded rod (15).

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