Crude methanol purification device

Abstract

The utility model discloses a crude methanol purification device, relates to the field of methanol production, and aims to solve the problems that in the prior art, the inner wall of a distillation cylinder is scrubbed by a brush rod for a long time, the surface of the inner wall of the distillation cylinder is abraded, and the distillation cylinder is further damaged due to the fact that the inner wall of the distillation cylinder is scrubbed by the brush rod. A rotary hard pressure pipe is rotationally connected to the middle of the interior of the distillation barrel, transverse hard pressure pipes are connected to the two sides of the middle of the rotary hard pressure pipe correspondingly, a vertical water distribution pipe is fixedly connected to one end of each transverse hard pressure pipe, and inclined hard pressure pipes are fixedly connected to the two sides of the lower end of the rotary hard pressure pipe correspondingly; one end of the inclined hard pressure pipe is fixedly connected with an inclined water distribution pipe, one side of the vertical water distribution pipe and one side of the inclined water distribution pipe are fixedly connected with a plurality of flat-mouth sprayers at equal intervals, and a driving device for driving the rotary hard pressure pipe to rotate is fixedly arranged at the upper end of the distillation barrel.

Description

Technical Field

[0001] The utility model relates to the field of methanol production, and specifically relates to a crude methanol purification device. Background Technique

[0002] Methanol is an organic compound and is manufactured through an industrial process of catalytic action directly from carbon monoxide, carbon dioxide, and hydrogen. During the methanol production process, a purification device is required to purify the crude methanol. Through the purification device, the methanol solution can be effectively separated and purified, and impurities therein can be removed to obtain pure methanol.

[0003] For example, the authorized publication number is CN 221332783 U, a crude methanol purification device, including a bottom plate. Above the bottom plate, there is a distillation cylinder fixed to it through several support legs. On the inner top surface of the distillation cylinder, there is a mounting plate fixed. At the bottom near the front side surface of the mounting plate, several heating rods are installed. At the right end of the top surface of the bottom plate, a liquid storage cylinder is fixed. The liquid storage cylinder is connected to the distillation cylinder through a condensing pipe. At the left end of the top surface of the bottom plate, a pump body is installed. The liquid inlet end of the pump body is tightly sleeved with a liquid passing pipe connected to the liquid storage cylinder. The utility model can purify the crude methanol by setting a distillation cylinder, a feed hopper, a liquid storage cylinder, a condensing pipe, a pump body, a liquid passing pipe, a liquid outlet pipe, a liquid discharge pipe, several heating rods, and a waste discharge pipe. By setting a brushing mechanism, the impurities attached to the inner wall of the distillation cylinder can be brushed, eliminating the need for manual brushing, which is time-saving and labor-saving.

[0004] In the above-mentioned utility model, the inner wall of the distillation cylinder is brushed by a brush rod. However, after the brush rod brushes the inner wall of the distillation cylinder for a long time, the surface of the inner wall of the distillation cylinder will be worn, resulting in damage to the distillation cylinder. Therefore, there is an urgent need in the market to develop a crude methanol purification device to help people solve existing problems. Summary of the Invention

[0005] The purpose of the utility model is to provide a crude methanol purification device to solve the problem that after the inner wall of the distillation cylinder is brushed by a brush rod for a long time as mentioned in the above background technique, the surface of the inner wall of the distillation cylinder will be worn, resulting in damage to the distillation cylinder.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A crude methanol purification device, comprising a distillation barrel, in the middle of the interior of the distillation barrel is rotatably connected a rotary rigid pressure pipe, on both sides of the middle of the rotary rigid pressure pipe are connected transverse rigid pressure pipes, one end of the transverse rigid pressure pipe is fixedly connected to a vertical water distribution pipe, on both sides of the lower end of the rotary rigid pressure pipe are fixedly connected inclined rigid pressure pipes, one end of the inclined rigid pressure pipe is fixedly connected to an inclined water distribution pipe, on one side of the vertical water distribution pipe and the inclined water distribution pipe are equally spaced and fixedly connected with a plurality of flat-mouth spray nozzles, at the upper end of the distillation barrel is fixedly provided a driving device for driving the rotary rigid pressure pipe to rotate, and at the upper end of the driving device is provided a water supply pipe for pressurizing and supplying water to the rotary rigid pressure pipe.

[0007] Preferably, on one side of the upper end surface of the distillation barrel is fixedly provided a feeding pipe, on one side of the distillation barrel is fixedly provided a condensing pipe, and at the lower end of the distillation barrel is fixedly provided a waste discharging pipe.

[0008] Preferably, on both side end faces inside the distillation barrel are fixedly provided arc-shaped heating plates.

[0009] Preferably, between the lower end of the transverse rigid pressure pipe and one side of the rotary rigid pressure pipe is fixedly connected through a support rod.

[0010] Preferably, the upper end of the rotary rigid pressure pipe extends into the driving device and is fixedly connected with a first bevel gear, inside the driving device is fixedly provided a motor, and on the output shaft of the motor is fixedly connected with a second bevel gear.

[0011] Preferably, the first bevel gear on the rotary rigid pressure pipe is meshed with the tooth part of the second bevel gear on the output shaft of the motor.

[0012] Preferably, the upper end of the rotary rigid pressure pipe passes through the middle of the first bevel gear and is connected to the lower end of the water supply pipe through a rotary joint.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] In this utility model, through the setting of the rotary rigid pressure pipe, the motor drives the rotary rigid pressure pipe to rotate, so that the rotary rigid pressure pipe synchronously drives the transverse rigid pressure pipe and the inclined rigid pressure pipe to rotate. At the same time, the water supply pipe is connected to a booster pump, and the booster pump pressurizes and supplies water to the water supply pipe, so that the water with a certain pressure is branched into the transverse rigid pressure pipe and the inclined rigid pressure pipe through the rotary rigid pressure pipe, and is respectively conveyed to the vertical water distribution pipe and the inclined water distribution pipe through the transverse rigid pressure pipe and the inclined rigid pressure pipe. When the water with a certain pressure rotates in the vertical water distribution pipe and the inclined water distribution pipe, it is sprayed out through a plurality of flat-mouth spray nozzles to wash the inner wall of the distillation barrel, and at the same time, it prevents the distillation barrel from being worn due to brushing.

[0015] In this utility model, the arc-shaped heating plates are arranged on both inner side end faces of the distillation barrel. When the multiple flat nozzles on the vertical water distribution pipe and the inclined water distribution pipe flush the inner wall of the distillation barrel, the arc-shaped heating plates can be flushed synchronously, preventing dirt from adhering to the arc-shaped heating plates and reducing the heating efficiency.

[0016] In this utility model, through the arrangement of the support rods, the lower end of the horizontal rigid pressure pipe and one side of the rotary rigid pressure pipe are fixedly connected through the support rods. The support rods support the horizontal rigid pressure pipe to ensure the stability of the horizontal rigid pressure pipe during rotation. Description of the Drawings

[0017] Figure 1 is the front view of a crude methanol purification device of the present utility model;

[0018] Figure 2 is the main sectional view of the present utility model;

[0019] Figure 3 is the top sectional view of the present utility model;

[0020] Figure 4 is the enlarged detail view A of the present utility model.

[0021] In the figure: 1. Distillation barrel; 101. Condensing pipe; 102. Feeding pipe; 103. Impurity discharge pipe; 104. Arc-shaped heating plate; 2. Rotary rigid pressure pipe; 201. Horizontal rigid pressure pipe; 202. Vertical water distribution pipe; 203. Support rod; 204. Inclined rigid pressure pipe; 205. Inclined water distribution pipe; 206. Flat nozzle; 207. First conical tooth; 3. Driving device; 301. Motor; 302. Second conical tooth; 4. Water supply pipe; 401. Rotary joint. Detailed Embodiment

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0023] Please refer to Figures 1-4, an embodiment provided by the present utility model: a crude methanol purification device, including a distillation barrel 1, a rotary hard pressure pipe 2 is rotatably connected to the middle of the inside of the distillation barrel 1, both sides of the middle of the rotary hard pressure pipe 2 are connected with a transverse hard pressure pipe 201, one end of the transverse hard pressure pipe 201 is fixedly connected with a vertical water distribution pipe 202, both sides of the lower end of the rotary hard pressure pipe 2 are fixedly connected with an inclined hard pressure pipe 204, one end of the inclined hard pressure pipe 204 is fixedly connected with an inclined water distribution pipe 205, and a plurality of flat nozzle heads 206 are fixedly connected at equal intervals on one side of the vertical water distribution pipe 202 and the inclined water distribution pipe 205. A driving device 3 for driving the rotary hard pressure pipe 2 to rotate is fixedly arranged at the upper end of the distillation barrel 1, and a water supply pipe 4 for pressurizing and supplying water to the rotary hard pressure pipe 2 is arranged at the upper end of the driving device 3.

[0024] Furthermore, a feeding pipe 102 is fixedly arranged on one side of the upper end surface of the distillation barrel 1, a condenser pipe 101 is fixedly arranged on one side of the distillation barrel 1, the other end of the condenser pipe 101 is connected to a liquid storage tank, and a waste discharge pipe 103 is fixedly arranged at the lower end of the distillation barrel 1. The crude methanol raw material is injected into the inside of the distillation barrel 1 through the feeding pipe 102.

[0025] Furthermore, arc-shaped heating plates 104 are fixedly arranged on both side end faces inside the distillation barrel 1. A control line is connected to the arc-shaped heating plates 104. One end of the control line passes through the joint surface of the inner wall of the distillation barrel 1 and the arc-shaped heating plates 104 and extends to the outside and is connected to a power supply structure. The crude methanol raw material inside the distillation barrel 1 is heated by the arc-shaped heating plates 104 for distillation operation. The steam generated by distillation flows into the inside of the liquid storage tank after being cooled by the condenser pipe 101, and the impurities after distillation are discharged through the waste discharge pipe 103.

[0026] Furthermore, the lower end of the transverse hard pressure pipe 201 and one side of the rotary hard pressure pipe 2 are fixedly connected through a support rod 203. The transverse hard pressure pipe 201 is supported by the support rod 203 to ensure the stability of the transverse hard pressure pipe 201 during rotation.

[0027] Furthermore, the upper end of the rotary hard pressure pipe 2 extends into the driving device 3 and is fixedly connected with a first bevel gear 207. A motor 301 is fixedly arranged inside the driving device 3, and a second bevel gear 302 is fixedly connected to the output shaft of the motor 301.

[0028] Furthermore, the first bevel gear 207 on the rotary hard pressure pipe 2 is meshed with the tooth part of the second bevel gear 302 on the output shaft of the motor 301.

[0029] Furthermore, the upper end of the rotary rigid pressure pipe 2 passes through the middle of the first conical tooth 207 and is connected to the lower end of the water supply pipe 4 through a rotary joint 401. The motor 301 drives the rotary rigid pressure pipe 2 to rotate, causing the rotary rigid pressure pipe 2 to synchronously drive the horizontal rigid pressure pipe 201 and the inclined rigid pressure pipe 204 to rotate. At the same time, the water supply pipe 4 is connected to a booster pump, and the booster pump pressurizes and supplies water to the water supply pipe 4, so that the water with a certain pressure is divided into the horizontal rigid pressure pipe 201 and the inclined rigid pressure pipe 204 through the rotary rigid pressure pipe 2, and is respectively conveyed to the vertical water distribution pipe 202 and the inclined water distribution pipe 205 through the horizontal rigid pressure pipe 201 and the inclined rigid pressure pipe 204. When the water with a certain pressure rotates in the vertical water distribution pipe 202 and the inclined water distribution pipe 205, it is sprayed out through a plurality of flat nozzles 206 to wash the inner wall of the distillation barrel 1.

[0030] Working principle: During use, the raw material of crude methanol is injected into the distillation barrel 1 through the feeding pipe 102. Arc-shaped heating plates 104 are fixedly arranged on both side end faces inside the distillation barrel 1. The raw material of crude methanol inside the distillation barrel 1 is heated by the arc-shaped heating plates 104 for distillation operation. The steam generated by distillation flows into the liquid storage tank after being cooled by the condenser pipe 101. The impurities after distillation are discharged through the impurity discharge pipe 103. When the distillation barrel 1 needs to be cleaned, the motor 301 drives the rotary rigid pressure pipe 2 to rotate, causing the rotary rigid pressure pipe 2 to synchronously drive the horizontal rigid pressure pipe 201 and the inclined rigid pressure pipe 204 to rotate. At the same time, the water supply pipe 4 is connected to a booster pump, and the booster pump pressurizes and supplies water to the water supply pipe 4, so that the water with a certain pressure is divided into the horizontal rigid pressure pipe 201 and the inclined rigid pressure pipe 204 through the rotary rigid pressure pipe 2, and is respectively conveyed to the vertical water distribution pipe 202 and the inclined water distribution pipe 205 through the horizontal rigid pressure pipe 201 and the inclined rigid pressure pipe 204. When the water with a certain pressure rotates in the vertical water distribution pipe 202 and the inclined water distribution pipe 205, it is sprayed out through a plurality of flat nozzles 206 to wash the inner wall of the distillation barrel 1, realizing the cleaning of the inner wall of the distillation barrel 1 and preventing the distillation barrel 1 from being worn due to brushing.

[0031] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, it is intended to include all changes falling within the meaning and scope of the equivalent elements of the claims in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. A crude methanol purification device, comprising a distillation barrel (1), characterized in that: A rotating hard pressure pipe (2) is rotatably connected to the middle of the distillation barrel (1), and both sides of the middle of the rotating hard pressure pipe (2) are connected to transverse hard pressure pipes (201), one end of the transverse hard pressure pipe (201) is fixedly connected to a vertical water distribution pipe (202), both sides of the lower end of the rotating hard pressure pipe (2) are fixedly connected to oblique hard pressure pipes (204), one end of the oblique hard pressure pipe (204) is fixedly connected to an oblique water distribution pipe (205), and a plurality of flat nozzles (206) are fixedly connected to one side of the vertical water distribution pipe (202) and the oblique water distribution pipe (205) at equal intervals, and a driving device (3) for driving the rotating hard pressure pipe (2) to rotate is fixedly provided at the upper end of the distillation barrel (1), and a water supply pipe (4) for pressurizing water to the rotating hard pressure pipe (2) is provided at the upper end of the driving device (3).

2. A crude methanol purification device according to claim 1, characterized in that: A feeding pipe (102) is fixedly arranged on one side of the upper end surface of the distillation barrel (1), a condenser pipe (101) is fixedly arranged on one side of the distillation barrel (1), and a waste removal pipe (103) is fixedly arranged on the lower end of the distillation barrel (1).

3. A crude methanol purification device according to claim 1, characterized in that: Arc-shaped heating plates (104) are fixedly arranged on both side end surfaces inside the distillation barrel (1).

4. A crude methanol purification device according to claim 1, characterized in that: The lower end of the transverse hard pressure pipe (201) is fixedly connected to one side of the rotary hard pressure pipe (2) via a support rod (203).

5. A crude methanol purification device according to claim 1, characterized in that: The upper end of the rotary hard pressure tube (2) extends into the interior of the driving device (3) and is fixedly connected to a first conical tooth (207). A motor (301) is fixedly arranged inside the driving device (3), and a second conical tooth (302) is fixedly connected to an output shaft of the motor (301).

6. A crude methanol purification device according to claim 5, characterized in that: The first conical teeth (207) on the rotary hard pressure tube (2) are meshedly connected with the teeth of the second conical teeth (302) on the output shaft of the motor (301).

7. A crude methanol purification device according to claim 6, characterized in that: The upper end of the rotary hard pressure pipe (2) passes through the middle of the first conical teeth (207) and is connected to the lower end of the water supply pipe (4) via a rotary joint (401).

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