Negative pressure evaporation rectification device

Abstract

The utility model belongs to the technical field of negative pressure evaporation rectification devices, and particularly relates to a negative pressure evaporation rectification device which comprises a distillation tower, a convenient discharging device is mounted on the distillation tower; the top of the support frame is fixedly connected with a fixed cylinder; a rotating groove is formed in the arc surface of the inner wall of one end, away from the distillation tower, of the rotating cavity; a connecting block is fixedly connected to the arc surface of the inner side of the rotating block; a heating cylinder is rotationally mounted in the rotating cavity; the end part of the connecting block is fixedly connected to the arc surface of the outer side of the heating cylinder; a heat preservation sleeve is mounted outside the section of the discharging pipe in a sleeving manner; gear teeth are fixedly connected to the arc surface of the outer side of the rotating block at equal intervals; a driving motor is mounted in the fixed frame; a gear is mounted at the end part of the rotating shaft; the gear penetrates through the through hole and is meshed with the gear teeth; under the action of the discharging device, the phenomenon that vaporized materials are liquefied in the discharging pipe to cause backflow of the materials is avoided, and the phenomenon that the materials adhere to the pipe wall to cause blockage of the discharging pipe is also avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of negative pressure evaporation and distillation devices, in particular to a negative pressure evaporation and distillation device. Background Art

[0002] Evaporative distillation device is a device that uses the principle of evaporation and condensation to separate mixtures. It is mainly composed of a heater, an evaporator, a condenser and a collector. It is usually used to process mixtures with high volatile components, such as solvent recovery, alcohol purification and other processes;

[0003] A Chinese patent with publication number CN 219423754 U discloses a negative pressure evaporation distillation device, which relates to the technical field of distillation devices. The negative pressure evaporation distillation device comprises a distillation tank, which comprises a tank body and a heating tank sleeved on the outside of the tank body. A circulation component is also installed on the outside of the distillation tank, which is connected to the inner cavity of the distillation tank. A sealing cover is arranged on the upper end of the tank body. When the tank body of the distillation tank is used for processing, the raw materials are put into the tank body, and after the negative pressure is pumped, the discharge inlet is passed to heat the tank body, and then the raw materials inside are heated and evaporated and distilled. While distilling, the delivery pump can deliver the materials at the bottom of the tank body to the top of the tank body through the delivery pipe, thereby increasing the flow rate of the internal liquid material, increasing the evaporation amount of the material, and facilitating the distillation process;

[0004] When the above-mentioned negative pressure evaporation distillation device is in use, the evaporated vaporized material will enter the cooling mechanism device through the discharge pipe. During this process, part of the vaporized material will release heat and liquefy, causing part of the material to reflux and re-enter the distillation tower, and even causing the material to adhere to the pipe wall and cause the discharge pipe to be blocked. Therefore, a negative pressure evaporation distillation device is proposed to address the above-mentioned problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve some existing problems of negative pressure evaporation and distillation devices, the utility model provides a negative pressure evaporation and distillation device.

[0006] The technical solution adopted by the utility model to solve the technical problem is as follows: the negative pressure evaporation distillation device described in the utility model comprises a distillation tower; a structural frame is installed at the bottom of the distillation tower; a feed pipe is installed at one side of the top of the distillation tower; a discharging device is installed on the distillation tower; the discharging device comprises a discharging pipe; a discharging pipe is installed at the side of the top of the distillation tower away from the feed pipe; a fixing frame is installed at a position slightly above the outer arc surface of the distillation tower; a supporting frame is fixedly connected to the side of the fixing frame close to the discharging pipe; a fixing cylinder is fixedly connected to the top of the supporting frame;

[0007] A rotating chamber is provided inside the fixed cylinder; a rotating groove is provided on the arc surface of the inner wall of the rotating chamber at one end away from the distillation tower; a rotating block is rotatably installed inside the rotating groove; a connecting block is fixedly connected to the inner arc surface of the rotating block; an end of the connecting block extends out through the rotating groove; a heating cylinder is rotatably installed inside the rotating chamber; an end of the connecting block is fixedly connected to the outer arc surface of the heating cylinder; premature liquefaction of vaporized materials is avoided.

[0008] Preferably, a heating mechanism is installed on the outer arc surface of one end of the heating tube away from the rotating groove; the heating mechanism acts on the heating tube; so that the heating tube can function smoothly.

[0009] Preferably, an insulating sleeve is installed on the outer cross-section of the discharge pipe; the bottom end of the insulating sleeve is in close contact with the top end face of the distillation tower; the top end of the insulating sleeve is close to the structural surface of the fixed cylinder; so that the speed of liquefaction inside the discharge pipe is slowed down.

[0010] Preferably, gear teeth are fixedly connected to the outer arc surface of the rotating block at equal intervals; the rotation trajectory of the gear teeth does not intersect with the opening trajectory of the rotating groove; so that the gear teeth can operate smoothly.

[0011] Preferably, a fixing frame is fixedly connected to the outer surface of one side plate of the support frame; a driving motor is installed inside the fixing frame; a rotating shaft is installed at the end of the output shaft of the driving motor; a gear is installed at the end of the rotating shaft; and power is provided for the rotation of the gear.

[0012] Preferably, a through hole is opened on the outer arc surface of the fixed cylinder close to the gear; the through hole is connected to the rotation groove; the gear passes through the through hole and meshes with the gear teeth; so that the heating cylinder can rotate smoothly.

[0013] The utility model is beneficial in that:

[0014] The utility model starts the heating mechanism through the structural design of the discharge device, and the heating cylinder is heated. Subsequently, the driving motor on the fixed frame is turned on, and the rotating shaft drives the gear to rotate in the through hole. Under the cooperation of the gear teeth, the rotating block drives the connecting block to rotate along the rotating groove, so that the heating cylinder inside the rotating cavity rotates. After the vaporized material enters the discharge pipe, under the initial action of the heat preservation sleeve, the liquefaction phenomenon of the vaporized material occurs slowly. Under the auxiliary action of the fixed frame and the fixed cylinder, the material in the vaporized state enters the action range of the heating cylinder, which avoids the vaporized material from liquefying in the discharge pipe and causing the material to flow back, and also avoids the material from adhering to the pipe wall and causing the discharge pipe to be blocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is an isometric structural schematic diagram;

[0017] Figure 2 It is a structural schematic diagram of a fixed cylinder;

[0018] Figure 3 It is a structural schematic diagram of the heating tube;

[0019] Figure 4 for Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0020] In the figure: 1, distillation tower; 2, structural frame; 3, feed pipe; 401, discharge pipe; 402, fixed frame; 403, support frame; 404, fixed cylinder; 405, rotating chamber; 406, rotating groove; 407, rotating block; 408, connecting block; 409, gear; 410, heating cylinder; 411, heating mechanism; 412, insulation sleeve; 413, fixed frame; 414, driving motor; 415, rotating shaft; 416, gear; 417, through hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 As shown, a negative pressure evaporation distillation device comprises a distillation tower 1; a structural frame 2 is installed at the bottom of the distillation tower 1; a feed pipe 3 is installed at one side of the top of the distillation tower 1; a discharge device is installed on the distillation tower 1; the discharge device comprises a discharge pipe 401; a discharge pipe 401 is installed at the top of the distillation tower 1 away from the feed pipe 3; a fixing frame 402 is installed at a position slightly above the outer arc surface of the distillation tower 1; a support frame 403 is fixedly connected to one side of the fixing frame 402 close to the discharge pipe 401; a fixing cylinder 404 is fixedly connected to the top of the support frame 403;

[0023] A rotating chamber 405 is provided inside the fixed cylinder 404; a rotating groove 406 is provided on the inner wall arc surface of the end of the rotating chamber 405 away from the distillation tower 1; a rotating block 407 is rotatably installed inside the rotating groove 406; a connecting block 408 is fixedly connected to the inner arc surface of the rotating block 407; the end of the connecting block 408 extends out through the rotating groove 406; a heating cylinder 410 is rotatably installed inside the rotating chamber 405; the end of the connecting block 408 is fixedly connected to the outer arc surface of the heating cylinder 410; a heating mechanism 411 is installed on the outer arc surface of the end of the heating cylinder 410 away from the rotating groove 406; the heating mechanism 411 acts on the heating cylinder 410; a heat-insulating sleeve 412 is installed on the outer cross-section of the discharge pipe 401; the bottom end of the heat-insulating sleeve 412 is in close contact with the top end surface of the distillation tower 1; the top end of the heat-insulating sleeve 412 is close to the structural surface of the fixed cylinder 404;

[0024] Gear teeth 409 are fixedly connected to the outer arc surface of the rotating block 407 at equal intervals; the rotation trajectory of the gear teeth 409 does not intersect with the opening trajectory of the rotating groove 406; a fixed frame 413 is fixedly connected to the outer surface of one side plate of the support frame 403; a driving motor 414 is installed inside the fixed frame 413; a rotating shaft 415 is installed at the end of the output shaft of the driving motor 414; a gear 416 is installed at the end of the rotating shaft 415; a through hole 417 is opened on the outer arc surface of the fixed cylinder 404 near the gear 416; the through hole 417 is connected to the rotating groove 406; the gear 416 passes through the through hole 417 and meshes with the gear teeth 409;

[0025] When working, the evaporation distillation device is a device that uses the principles of evaporation and condensation to separate mixtures. It is mainly composed of a heater, an evaporator, a condenser and a collector. It is usually used to process mixtures with high volatile components, such as solvent recovery, alcohol purification and other processes; when the above-mentioned negative pressure evaporation distillation device is in use, the evaporated vaporized material will enter the cooling mechanism device through the discharge pipe. In this process, part of the vaporized material will release heat and liquefy, causing part of the material to reflux and re-enter the distillation tower, and even causing the material to adhere to the tube wall and cause the discharge pipe to be blocked. The present application acts through the discharge device, starts the heating mechanism 411, and the heating cylinder 410 acts to increase the temperature. Then, the fixed frame is opened. The driving motor 414 on 413 and the rotating shaft 415 drive the gear 416 to rotate in the through hole 417. With the cooperation of the gear teeth 409, the rotating block 407 drives the connecting block 408 to rotate along the rotating groove 406, so that the heating cylinder 410 inside the rotating chamber 405 rotates. After the vaporized material enters the discharge pipe 401, under the initial action of the heat preservation sleeve 412, the liquefaction of the vaporized material occurs slowly. With the auxiliary action of the fixed frame 402 and the fixed cylinder 404, the material in the vaporized state enters the action range of the heating cylinder 410, which avoids the vaporized material from liquefying inside the discharge pipe 401 and causing the material to flow back, and also avoids the material from adhering to the pipe wall and causing the discharge pipe to be blocked.

[0026] Working principle: The evaporative distillation device is a device that uses the principles of evaporation and condensation to separate mixtures. It is mainly composed of a heater, an evaporator, a condenser and a collector. It is usually used to process mixtures with high volatile components, such as solvent recovery, alcohol purification and other processes; when the above-mentioned negative pressure evaporative distillation device is in use, the evaporated vaporized material will enter the cooling mechanism device through the discharge pipe. In this process, part of the vaporized material will release heat and liquefy, causing part of the material to reflux and re-enter the distillation tower, and even causing the material to adhere to the tube wall and cause the discharge pipe to be blocked. The present application works through the discharge device to start the heating mechanism 411, the heating cylinder 410 acts to increase the temperature, and then opens the fixed The driving motor 414 on the frame 413 and the rotating shaft 415 drive the gear 416 to rotate in the through hole 417. With the cooperation of the gear teeth 409, the rotating block 407 drives the connecting block 408 to rotate along the rotating groove 406, so that the heating cylinder 410 inside the rotating chamber 405 rotates. After the vaporized material enters the discharge pipe 401, under the initial action of the insulation sleeve 412, the liquefaction of the vaporized material occurs slowly. With the auxiliary action of the fixed frame 402 and the fixed cylinder 404, the material in the vaporized state enters the action range of the heating cylinder 410, which avoids the vaporized material from liquefying inside the discharge pipe 401 and causing the material to flow back, and also avoids the material from adhering to the pipe wall and causing the discharge pipe to be blocked.

[0027] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A negative pressure evaporation distillation device, comprising a distillation tower (1); a structural frame (2) is installed at the bottom of the distillation tower (1); a feed pipe (3) is installed on one side of the top of the distillation tower (1); a discharge device is installed on the distillation tower (1); characterized in that: The discharge device comprises a discharge pipe (401); a discharge pipe (401) is installed on the top of the distillation tower (1) at a side away from the feed pipe (3); a fixing frame (402) is installed at a position slightly above the outer arc surface of the distillation tower (1); a support frame (403) is fixedly connected to the side of the fixing frame (402) close to the discharge pipe (401); a fixing cylinder (404) is fixedly connected to the top of the support frame (403); A rotating chamber (405) is provided inside the fixed cylinder (404); a rotating groove (406) is provided on the inner wall arc surface of one end of the rotating chamber (405) away from the distillation tower (1); a rotating block (407) is rotatably installed inside the rotating groove (406); a connecting block (408) is fixedly connected to the inner arc surface of the rotating block (407); an end of the connecting block (408) passes through the rotating groove (406) and extends to the outside; a heating cylinder (410) is rotatably installed inside the rotating chamber (405); and an end of the connecting block (408) is fixedly connected to the outer arc surface of the heating cylinder (410).

2. A negative pressure evaporation distillation device according to claim 1, characterized in that: A heating mechanism (411) is installed on the outer arc surface of one end of the heating tube (410) away from the rotating groove (406); the heating mechanism (411) acts on the heating tube (410).

3. A negative pressure evaporation distillation device according to claim 2, characterized in that: The outer cross-section of the discharge pipe (401) is sleeved with a heat-insulating sleeve (412); the bottom end of the heat-insulating sleeve (412) is in close contact with the top end face of the distillation tower (1); and the top end of the heat-insulating sleeve (412) is close to the structural surface of the fixed cylinder (404).

4. A negative pressure evaporation distillation device according to claim 3, characterized in that: Gear teeth (409) are fixedly connected to the outer arc surface of the rotating block (407) at equal intervals; the rotation trajectory of the gear teeth (409) does not intersect with the opening trajectory of the rotating groove (406).

5. A negative pressure evaporation distillation device according to claim 4, characterized in that: A fixing frame (413) is fixedly connected to the outer side surface of a plate body on one side of the support frame (403); a driving motor (414) is installed inside the fixing frame (413); a rotating shaft (415) is installed at the end of the output shaft of the driving motor (414); and a gear (416) is installed at the end of the rotating shaft (415).

6. A negative pressure evaporation distillation device according to claim 5, characterized in that: A through hole (417) is provided on the outer arc surface of the fixed cylinder (404) close to the gear (416); the through hole (417) is connected to the rotating groove (406); the gear (416) passes through the through hole (417) and meshes with the gear teeth (409).

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