Rectifying tower with reflux function for producing p-methylbenzonitrile

Abstract

The utility model relates to the technical field of rectifying towers, and provides a rectifying tower with a reflux function for producing p-methylbenzonitrile, which comprises a support frame, a rectifying tower, a bottom plate, a rotating component, a filter cartridge I, a condensing component, a mounting plate, a moving component, a dumping component and a filter cartridge II, a water outlet is formed in the bottom plate, the rotating assembly is arranged on the supporting frame, the first filter cartridge is arranged in the rectifying tower and arranged on the rotating assembly, the condensing assembly is arranged on the side face of the rectifying tower, the mounting plate is fixedly mounted on the side face of the supporting frame and the side face of the rectifying tower, and the two moving assemblies are arranged on the mounting plate. The two pouring assemblies are arranged on the two moving assemblies correspondingly, and the second filter cartridges are arranged on the pouring assemblies. By means of the technical scheme, the problem that in the prior art, backflow liquid adheres to internal impurities when passing through a condenser or a pipeline is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rectifying tower technical field, concretely relates to a rectifying tower with reflux function for p-tolyl cyanide production. BACKGROUND

[0002] P-tolyl cyanide is an organic compound, mainly used as medicine, dye intermediate, when producing it, rectifying tower is used to refine it, rectifying tower is usually composed of tower body, tray, condenser, reflux device and other main components, material is passed into rectifying tower to heat and vaporize, producing upward steam, because steam contains substances with different boiling points, impurities and p-tolyl cyanide can be separated.

[0003] When part of the steam is condensed into liquid in the condenser and then refluxes into the rectifying tower for separation, some dust may adhere to the inside of the pipeline or the condenser due to the condenser being placed outside, and if the condensing equipment is not cleaned or there is corrosion, metal ions and other impurities may also be introduced, so that some dirt or metal particles adhere to the reflux liquid when it passes through, and the existing rectifying tower lacks a device for filtering the reflux liquid, which may cause the material produced during the reflux of the liquid to be separated again to be impure. UTILITY MODEL CONTENT

[0004] The utility model provides a rectifying tower with reflux function for p-tolyl cyanide production, solves the problem of the reflux liquid adhering to the internal impurities when passing through the condenser or pipeline in the related technology.

[0005] The technical scheme of the utility model is as follows:

[0006] A rectifying tower with reflux function for p-tolyl cyanide production, comprising a support frame and a rectifying tower, the rectifying tower is fixedly installed on the support frame, further comprising a bottom plate, a rotating assembly, a filter cartridge one, a condensing assembly, a mounting plate, a moving assembly, a pouring assembly and a filter cartridge two, the bottom plate is detachably installed at the bottom end of the rectifying tower, and a drain hole is formed in the bottom plate, the rotating assembly is arranged on the support frame, the filter cartridge one is arranged inside the rectifying tower, and the filter cartridge one is arranged on the rotating assembly, the rotating assembly is used for rotating the filter cartridge one, the condensing assembly is arranged on the side of the rectifying tower, the mounting plate is fixedly installed on the side of the support frame and the rectifying tower, the moving assembly is provided with two, the two moving assemblies are arranged on the mounting plate respectively, the pouring assembly is provided with two, the two pouring assemblies are arranged on the two moving assemblies respectively, the filter cartridge two is arranged on the pouring assembly, and the pouring assembly is used for pouring the impurities in the filter cartridge two.

[0007] Further, the rotating assembly comprises a motor one, a rotating shaft, a gear one, an adjusting shaft and a gear two, the motor one is installed on the side of the support frame, the rotating shaft is rotatably installed on the bottom plate, the filter cylinder one is fixedly installed on the rotating shaft, the gear one is fixedly installed on the rotating shaft, the adjusting shaft is fixedly installed on the output end of the motor one, the adjusting shaft penetrates through and is rotatably installed on the side of the rectifying tower, the gear two is fixedly installed on the adjusting shaft, and the gear one and the gear two are in engagement.

[0008] Further, the condensing assembly comprises a mounting frame, a condenser, an air inlet pipe and a liquid outlet pipe, the mounting frame is fixedly installed on the top end of the rectifying tower, the condenser is fixedly installed on the mounting frame, the air inlet pipe is communicated with the condenser and the rectifying tower, and the liquid outlet pipe penetrates through and is fixedly installed on the mounting plate and is communicated with the rectifying tower.

[0009] Further, the moving assembly comprises a cylinder and a moving rod, the cylinder is installed on the mounting plate, and the moving rod is fixedly connected with the output end of the cylinder.

[0010] Further, the pouring assembly comprises a placing plate, a rotating shaft and a motor two, the placing plate is provided with two, the two placing plates are fixedly installed on the two moving rods respectively, the rotating shaft is rotatably installed on the placing plate, the filter cylinder two is fixedly installed between the two rotating shafts, the motor two is installed on one of the moving rods, and the output end of the motor two is fixedly connected with one of the rotating shafts.

[0011] Further, the wiper assembly comprises a connecting rod and a wiper plate, the connecting rod is fixedly installed on the inner side of the rectifying tower, the wiper plate is fixedly connected with the connecting rod, and the wiper plate is in contact with the inner side wall of the filter cylinder one.

[0012] Further, the bottom plate is fixedly installed with a waterproof shell, the gear one and the gear two are located in the waterproof shell, and the adjusting shaft penetrates through and rotates on the side of the waterproof shell.

[0013] Further, the liquid inlet of the liquid outlet pipe is consistent in size with the bottom end of the filter cylinder two, and the liquid inlet of the liquid outlet pipe and the water outlet hole of the condenser are located at the same vertical position.

[0014] Further, the bottom end of the mounting plate is detachably installed with a treatment box.

[0015] Further, the valve is communicated and installed at the drain port of the bottom plate.

[0016] The working principle and beneficial effects of the utility model are as follows:

[0017] 1、 the utility model discloses, after liquid reflux to rectifying tower, can make it flow into filter cartridge one, make the impurity carried filter, and stay in filter cartridge one, and can be driven filter cartridge one rotation through rotating assembly, accelerate liquid falling, and through water scraping assembly when filter cartridge one rotates, the liquid adhered in filter cartridge one lateral wall is scraped down;

[0018] 2、 the utility model discloses, when liquid flows down through condenser, can carry out the impurity filtration of filter cartridge two, then through liquid outlet pipe flow into rectifying tower, after the impurity filtration of filter cartridge two, can drive filter cartridge two to the top of processing box through moving assembly and dumping assembly, thereby dumping the impurity in filter cartridge two down;

[0019] Summarized above, the device passes through the mutual cooperation between support frame, rectifying tower, bottom plate, rotating assembly, filter cartridge one, condensing component, mounting plate, moving assembly, dumping assembly and filter cartridge two, can filter the liquid that flows out of condenser, make the impurity carried filter a part, and can through filter cartridge one to the liquid that refluxes again filter and removes the impurity. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model will be explained further in detail in combination with the drawings and specific embodiment.

[0021] Figure 1 It is the whole structure schematic diagram of the utility model;

[0022] Figure 2 It is the whole structure schematic diagram of the utility model;

[0023] Figure 3 It is the structure schematic diagram of filter cartridge one, water scraping assembly and rotating assembly cooperation of the utility model;

[0024] Figure 4 It is the structure schematic diagram of support frame, rectifying tower, mounting plate and condensing component cooperation of the utility model;

[0025] Figure 5 It is the structure schematic diagram of mounting plate and moving assembly cooperation of the utility model;

[0026] Figure 6 It is the structure schematic diagram of filter cartridge two, moving rod and dumping assembly cooperation of the utility model.

[0027] In the figure: 1. Support frame; 2. Distillation tower; 3. Bottom plate; 4. Filter cartridge 1; 5. Mounting plate; 6. Filter cartridge 2; 101. Motor 1; 102. Rotating shaft; 103. Gear 1; 104. Adjusting shaft; 105. Gear 2; 201. Mounting frame; 202. Condenser; 203. Air inlet pipe; 204. Liquid outlet pipe; 301. Cylinder; 302. Moving rod; 401. Placement plate; 402. Rotating shaft; 403. Motor 2; 501. Connecting rod; 502. Wiper; 601. Waterproof shell; 602. Processing box; 603. Tower plate; 604. Feed pipe; 605. Valve. DETAILED DESCRIPTION

[0028] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] like Figures 1-6 As shown, this embodiment proposes a distillation tower 2 with a reflux function for the production of p-methylbenzonitrile, including a support frame 1, a distillation tower 2, a bottom plate 3, a rotating component, a filter cartridge 4, a condensing component, a mounting plate 5, a moving component, a dumping component and a filter cartridge 6. The distillation tower 2 is fixedly mounted on the support frame 1, the bottom plate 3 is detachably mounted on the bottom end of the distillation tower 2, and a drain port is provided on the bottom plate 3. The rotating component is arranged on the support frame 1, the filter cartridge 4 is arranged inside the distillation tower 2, and the filter cartridge 4 is arranged on the rotating component. The rotating component is used to drive the filter cartridge 4 to rotate. The condensing component is arranged on the side of the distillation tower 2, the mounting plate 5 is fixedly mounted on the side of the support frame 1 and the distillation tower 2, and two moving components are provided. They are respectively arranged on the mounting plate 5, and there are two dumping components. The two dumping components are respectively arranged on the two moving components, and the filter cartridge 2 6 is arranged on the dumping component. The dumping component is used to dump the impurities in the filter cartridge 2 6. Specifically, the distillation tower 2 is first used to heat the material, and the material moves upward after generating steam. The steam is condensed by the condensing component. After condensing into liquid, the impurities can be filtered through the filter cartridge 1 4, and then the liquid flows into the distillation tower 2, and then flows down to the filter cartridge 2 6. The impurities are filtered again after being filtered by the filter cartridge 2 6, and the liquid in the filter cartridge 2 6 can be accelerated to flow out by the rotating component. If the impurities in the filter cartridge 1 4 are full, they can be dumped into the processing box 602 through the moving component and the dumping component.

[0030] In this embodiment, reference Figure 3, the rotating assembly includes motor one 101, rotating shaft 102, gear one 103, adjusting shaft 104 and gear two 105, motor one 101 is installed on the side of support frame 1, rotating shaft 102 is rotatably installed on bottom plate 3, and filter cylinder one 4 is fixedly installed on rotating shaft 102, gear one 103 is fixedly installed on rotating shaft 102, adjusting shaft 104 is fixedly installed on the output end of motor one 101, and adjusting shaft 104 penetrates and is rotatably installed on the side of rectifying tower 2, gear two 105 is fixedly installed on adjusting shaft 104, and gear one 103 and gear two 105 are engaged, by starting motor one 101, motor one 101 drives adjusting shaft 104 to rotate, adjusting shaft 104 drives gear two 105 to rotate, gear two 105 drives gear one 103 engaged therewith to rotate, gear one 103 drives rotating shaft 102 to rotate, and rotating shaft 102 drives filter cylinder one 4 to rotate, so that the downward flow of the reflux liquid in filter cylinder one 4 is accelerated, and a valve 605 is communicatively installed at the water outlet of bottom plate 3, opening valve 605 makes it flow out for collection, and a waterproof shell 601 is fixedly installed on bottom plate 3, gear one 103 and gear two 105 are located in the interior of waterproof shell 601, and waterproof shell 601 can protect gear two 105 and gear one 103 from being contacted by liquid.

[0031] In the embodiment, referring to Figure 4 , the condensing assembly includes mounting frame 201, condenser 202, air inlet pipe 203 and liquid outlet pipe 204, mounting frame 201 is fixedly installed at the top end of rectifying tower 2, condenser 202 is fixedly installed on mounting frame 201, air inlet pipe 203 communicates condenser 202 and rectifying tower 2, liquid outlet pipe 204 penetrates and is fixedly installed on mounting plate 5, and liquid outlet pipe 204 communicates rectifying tower 2, after the steam moves upward, enters condenser 202 through air inlet pipe 203, is condensed into liquid by condenser 202, then flows out, enters rectifying tower 2 through liquid outlet pipe 204, and the liquid inlet of liquid outlet pipe 204 is consistent in size with the bottom end of filter cylinder two 6, and the liquid inlet of liquid outlet pipe 204 and the water outlet hole of condenser 202 are located at the same vertical position, the liquid in condenser 202 can flow into liquid outlet pipe 204 through filter cylinder two 6 and enter rectifying tower 2.

[0032] In the embodiment, referring to Figure 5 , the moving assembly includes air cylinder 301 and moving rod 302, air cylinder 301 is installed on mounting plate 5, and moving rod 302 is fixedly connected with the output end of air cylinder 301, starting air cylinder 301, air cylinder 301 can drive moving rod 302 to move, moving rod 302 drives filter cylinder two 6 to move to the upper side of processing box 602, so as to facilitate subsequent pouring.

[0033] In the embodiment, referring to Figure 6, the pouring assembly comprises two placing plates 401, rotating shafts 402 and a second motor 403, the two placing plates 401 are fixedly installed on the two moving rods 302 respectively, the rotating shafts 402 are rotatably installed on the placing plates 401, and the second filter cylinder 6 is fixedly installed between the two rotating shafts 402, the second motor 403 is installed on one of the moving rods 302, and the output end of the second motor 403 is fixedly connected with one of the rotating shafts 402, the second motor 403 is started, the second motor 403 drives the rotating shafts 402 to rotate, the rotating shafts 402 drive the second filter cylinder 6 to rotate, and the bottom end of the mounting plate 5 is detachably installed with a treatment box 602, so that the impurities in the filter cylinder can be poured into the treatment box 602.

[0034] In the embodiment, reference is made to Figure 3 The water scraping assembly further comprises a connecting rod 501 and a water scraping plate 502, the connecting rod 501 is fixedly installed on the inner side of the rectifying tower 2, the water scraping plate 502 is fixedly connected with the connecting rod 501, and the water scraping plate 502 is in contact with the inner side wall of the first filter cylinder 4, when the first filter cylinder 4 rotates, the water scraping plate 502 can scrape the inner side wall of the first filter cylinder 4, so that the liquid adhered to the inner side wall is scraped away.

[0035] In the embodiment, it needs to be supplemented that a plurality of trays 603 are installed in the rectifying tower 2, and the side of the rectifying tower 2 is communicated with a feeding pipe 604, first, the p-tolunitrile is added into the rectifying tower 2 through the feeding pipe 604 for heating, the p-tolunitrile becomes steam after being heated, and moves upwards through the trays 603, the p-tolunitrile can follow the liquid to move downwards and fall into the filter cylinder one 4 after contacting the liquid, the steam containing impurities continues to move upwards because of the lower boiling point, enters into the condenser 202 through the air inlet pipe 203, is condensed into liquid by the condenser 202, and then flows out, enters into the rectifying tower 2 through the liquid outlet pipe 204, and can enter into the filter cylinder two 6 when flowing out of the condenser 202, the adhered impurities are filtered through the filter cylinder two 6, then enter into the rectifying tower 2 through the liquid outlet pipe 204, flow into the filter cylinder one 4 to be filtered again, and the motor one 101 can be started when filtering, the motor one 101 drives the adjusting shaft 104 to rotate, the adjusting shaft 104 drives the gear two 105 to rotate, the gear two 105 drives the gear one 103 meshed therewith to rotate, the gear one 103 drives the rotating shaft 102 to rotate, and the rotating shaft 102 drives the filter cylinder one 4 to rotate, so that the p-tolunitrile in the filter cylinder one 4 flows out through the valve 605, and the water scraping plate 502 can scrape the inner side wall of the filter cylinder one 4 when rotating, so that the liquid adhered to the inner side wall is scraped down, if the impurities in the filter cylinder one 4 are more, the bottom plate 3 can be disassembled to be poured, if the impurities in the filter cylinder two 6 are more, the air cylinder 301 can be started, the air cylinder 301 drives the moving rod 302 to move, the moving rod 302 drives the filter cylinder two 6 to move to the upper side of the treatment box 602, then the motor two 403 is started, the motor two 403 drives the rotating shaft 402 to rotate, the rotating shaft 402 drives the filter cylinder two 6 to rotate, the bottom end of the mounting plate 5 is detachably mounted with the treatment box 602, so that the impurities in the filter cylinder can be poured into the treatment box 602, it needs to be supplemented that the filter holes of the filter cylinder one 4 and the filter cylinder two 6 are small, and the metal particles or dirt impurities can be filtered.

[0036] The above merely describes the preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A distillation tower with reflux function for producing p-methylbenzonitrile, comprising a support frame (1) and a distillation tower (2), wherein the distillation tower (2) is fixedly mounted on the support frame (1), and is characterized in that: Also includes: A bottom plate (3), the bottom plate (3) is detachably mounted on the bottom end of the distillation tower (2), and a drainage port is provided on the bottom plate (3); A rotating assembly, the rotating assembly being arranged on the support frame (1); A filter cartridge (4), wherein the filter cartridge (4) is arranged inside the distillation tower (2), and the filter cartridge (4) is arranged on the rotating assembly, and the rotating assembly is used to drive the filter cartridge (4) to rotate; A condensation component, the condensation component being arranged on the side of the distillation tower (2); A mounting plate (5), the mounting plate (5) being fixedly mounted on the side of the support frame (1) and the distillation tower (2); A moving assembly, wherein two moving assemblies are provided, and the two moving assemblies are respectively provided on the mounting plate (5); A dumping assembly, wherein two dumping assemblies are provided, and the two dumping assemblies are respectively provided on the two moving assemblies; The second filter cartridge (6) is provided on the dumping assembly, and the dumping assembly is used to dump impurities in the second filter cartridge (6).

2. The distillation tower with reflux function for producing p-methylbenzonitrile according to claim 1, wherein The rotating assembly comprises: Motor 1 (101), the motor 1 (101) is mounted on a side of the support frame (1); A rotating shaft (102), the rotating shaft (102) being rotatably mounted on the bottom plate (3), and the filter cartridge (4) being fixedly mounted on the rotating shaft (102); Gear 1 (103), the gear 1 (103) is fixedly mounted on the rotating shaft (102); An adjusting shaft (104), the adjusting shaft (104) being fixedly mounted on the output end of the motor 1 (101), and the adjusting shaft (104) being rotatably mounted on the side of the distillation tower (2); Gear 2 (105), the gear 2 (105) is fixedly mounted on the adjusting shaft (104), and the gear 1 (103) and the gear 2 (105) are meshed.

3. A distillation tower with reflux function for producing p-methylbenzonitrile according to claim 2, characterized in that: The condensation assembly comprises: A mounting frame (201), the mounting frame (201) being fixedly mounted on the top of the distillation tower (2); a condenser (202), the condenser (202) being fixedly mounted on the mounting frame (201); an air inlet pipe (203), the air inlet pipe (203) being in communication with the condenser (202) and the distillation tower (2); A liquid outlet pipe (204), the liquid outlet pipe (204) is fixedly installed on the mounting plate (5), and the liquid outlet pipe (204) is connected to the distillation tower (2).

4. The distillation tower with reflux function for producing p-methylbenzonitrile according to claim 3, wherein: The mobile component includes: A cylinder (301), the cylinder (301) being mounted on the mounting plate (5); A moving rod (302), wherein the moving rod (302) is fixedly connected to the output end of the cylinder (301).

5. A distillation tower with reflux function for producing p-methylbenzonitrile according to claim 4, characterized in that: The pouring assembly comprises: A placement plate (401), wherein two placement plates (401) are provided, and the two placement plates (401) are respectively fixedly mounted on the two moving rods (302); A rotating shaft (402), the rotating shaft (402) is rotatably mounted on the placement plate (401), and the second filter cartridge (6) is fixedly mounted between the two rotating shafts (402); Motor 2 (403), wherein the motor 2 (403) is mounted on one of the moving rods (302), and the output end of the motor 2 (403) is fixedly connected to one of the rotating shafts (402).

6. The distillation tower with reflux function for producing p-methylbenzonitrile according to claim 5, characterized in that: Also included is a wiper assembly, the wiper assembly comprising: A connecting rod (501), the connecting rod (501) being fixedly mounted on the inner side of the distillation tower (2); A water scraper (502) is fixedly connected to the connecting rod (501), and the water scraper (502) is in contact with the inner wall of the filter cartridge (4).

7. The distillation tower with reflux function for producing p-methylbenzonitrile according to claim 6, characterized in that: A waterproof shell (601) is fixedly mounted on the bottom plate (3), the gear 1 (103) and the gear 2 (105) are located inside the waterproof shell (601), and the adjustment shaft (104) penetrates and rotates on the side of the waterproof shell (601).

8. The distillation tower with reflux function for producing p-methylbenzonitrile according to claim 7, characterized in that: The liquid inlet of the liquid outlet pipe (204) is consistent in size with the bottom end of the second filter cylinder (6), and the liquid inlet of the liquid outlet pipe (204) and the water outlet hole of the condenser (202) are located at the same vertical position.

9. The distillation tower with reflux function for producing p-methylbenzonitrile according to claim 8, characterized in that: A processing box (602) is detachably mounted on the bottom end of the mounting plate (5).

10. The distillation tower with reflux function for producing p-methylbenzonitrile according to claim 9, characterized in that: A valve (605) is installed in communication with the drainage outlet of the bottom plate (3).

Images