Conversion liquid concentration kettle for aminomethylbenzoic acid processing

Abstract

A conversion liquid concentration kettle for aminomethylbenzoic acid processing relates to the technical field of aminomethylbenzoic acid production and comprises a rack, a concentration kettle body is fixed on the inner side of the rack, a first filter screen of a conical mechanism is fixed on the inner side of the concentration kettle body, and a stirring cleaning unit is installed at the position, corresponding to the first filter screen, of the rack. A blowdown unit communicated with the interior of the rack is installed at the position, corresponding to the first filter screen, of the bottom of the rack, a heating plate is installed at the top of the rack, an evaporation pipe is installed on the heating plate, an evaporation box of a trapezoidal structure is fixedly communicated with the side face of the evaporation pipe, and a second filter screen is fixed to the inner side of the evaporation box; the conversion liquid concentration kettle for aminomethylbenzoic acid processing is convenient to clean, the trouble of manual cleaning is omitted, time and labor are saved, meanwhile, the mode of firstly filtering and then heating evaporation is adopted, it is avoided that steam contains many impurities when a material body is heated and evaporated, and therefore the follow-up filtering burden is relieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to p-aminomethylbenzoic acid production technical field especially is involved in a kind of conversion liquid concentration kettle for p-aminomethylbenzoic acid processing. BACKGROUND

[0002] P-aminomethylbenzoic acid, p-aminomethylbenzoic acid monohydrate, is suitable for abnormal bleeding during lung, liver, pancreas, prostate, thyroid, adrenal gland and other operations, obstetrics and gynecology and postpartum hemorrhage and pulmonary tuberculosis hemoptysis, blood in sputum, hematuria, prostatic hypertrophy bleeding, upper gastrointestinal bleeding and the like;

[0003] In prior art, the patent with the authorization announcement number CN 218686405 U discloses a concentration kettle for p-aminomethylbenzoic acid production, gas in the cooling chamber encounters cold to form liquid drops, which enters into the filter box through the liquid outlet pipe, and the liquid is filtered through the filter plate arranged in the filter box, and there is no filtering measure in the concentration kettle, which leads to the passage of impurities in the evaporated gas, and further leads to the increase of filtering pressure. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem of overcoming the defects of the prior art, and provides a conversion liquid concentration kettle for p-aminomethylbenzoic acid processing, which is convenient to clean, saves the trouble of manual cleaning, saves time and effort, and at the same time, adopts the mode of filtering first and then heating and evaporating, which avoids the presence of many impurities in the steam when the material is heated and evaporated, thereby reducing the subsequent filtering burden, and effectively solving the problems in the background art.

[0005] In order to achieve the purpose of the utility model, the utility model adopts the following technical solutions:

[0006] A conversion liquid concentration kettle for p-aminomethylbenzoic acid processing, comprising a rack, a concentration kettle is fixed to the inner side of the rack, a first filter screen of a conical mechanism is fixed to the inner side of the concentration kettle, a stirring and cleaning unit is installed on the rack corresponding to the position of the first filter screen, a blowdown unit communicating with the inside thereof is installed on the bottom of the rack corresponding to the position of the first filter screen, a heating plate is installed on the top of the rack, an evaporation pipe is installed on the heating plate, a trapezoidal evaporation box is fixed in communication with the side surface of the evaporation pipe, a second filter screen is fixed to the inner side of the evaporation box, a steam conveying pipe is fixed in communication with the top of the evaporation pipe, the steam conveying pipe communicates with an external cooling system, the evaporation pipe communicates with the inside of the concentration kettle through a conveying unit, a PLC controller is installed on the side surface of the rack, and the PLC controller is electrically connected with an external power supply and the heating plate respectively.

[0007] Further, the stirring cleaning unit comprises a stepping motor, a shaft coupling, a stirring shaft and stirring rods, the stepping motor is installed on the support of the frame, an output shaft of the stepping motor is fixedly connected with an end of the stirring shaft through the shaft coupling, the stirring rods are uniformly fixed on the stirring shaft, and the stirring rods are arranged on the inner side of the concentration kettle, and the stepping motor is electrically connected with the PLC controller.

[0008] Further, the stirring cleaning unit further comprises a cleaning brush, the cleaning brush is fixed on the end of the stirring rod, and the cleaning brush is arranged in contact with the first filter screen.

[0009] Further, the blowdown unit comprises a blowdown valve and a blowdown pipe, the blowdown pipe is fixed on the bottom of the concentration kettle and is communicated with the inner side of the first filter screen, and the blowdown valve is assembled on the blowdown pipe.

[0010] Further, the conveying unit comprises a water pump and a conveying pipe, the water pump is installed on the inner side of the concentration kettle, the water pump is communicated with the inside of the evaporation pipe through the conveying pipe, and the water pump is electrically connected with the PLC controller.

[0011] Further, the evaporation pipe is arranged in a meandering structure.

[0012] Compared with the prior art, the conversion liquid concentration kettle for p-aminophenylacetic acid processing has the following advantages.

[0013] 1. The stirring cleaning unit is used for stirring the material and cleaning the dirt on the first filter screen, so that the cleaning is convenient, the labor cleaning is saved, time and labor are saved, and the subsequent filtering burden is reduced by using the mode of filtering first and then heating and evaporating.

[0014] 2. The evaporation pipe is arranged in a meandering structure, so that the passing path of the material is increased, and the evaporation efficiency of the material is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a three-dimensional structure schematic diagram of the utility model;

[0016] Fig. 2 It is a three-dimensional first cross-sectional structure schematic diagram of the utility model;

[0017] Fig. 3 It is a three-dimensional second cross-sectional structure schematic diagram of the utility model.

[0018] In the figure: 1 - rack, 2 - PLC controller, 3 - stirring cleaning unit, 31 - stepper motor, 32 - coupling, 33 - stirring shaft, 34 - cleaning brush, 35 - stirring rod, 4 - conveying unit, 41 - water pump, 42 - conveying pipe, 5 - sewage unit, 51 - sewage valve, 52 - sewage pipe, 6 - concentration kettle, 7 - heating plate, 8 - evaporation pipe, 9 - steam conveying pipe, 10 - evaporation box, 11 - second filter screen, 12 - first filter screen. DETAILED DESCRIPTION

[0019] The utility model can be explained in detail through the following examples, the purpose of the utility model is to protect all technical improvements within the scope of the utility model.

[0020] Please refer to Figs. 1-3 The embodiment provides a technical scheme: a conversion liquid concentration kettle for aminomethylbenzoic acid processing, which comprises a rack 1, the inner side of the rack 1 is fixed with a concentration kettle 6, the inner side of the concentration kettle 6 is fixed with a first filter screen 12 of a conical mechanism, a stirring cleaning unit 3 is installed on the rack 1 in a position corresponding to the first filter screen 12, a sewage unit 5 in communication with the inside of the first filter screen 12 is installed on the bottom of the rack 1 in a position corresponding to the first filter screen 12, a heating plate 7 is installed on the top of the rack 1, an evaporation pipe 8 is installed on the heating plate 7, a trapezoidal evaporation box 10 is fixed in communication on the side of the evaporation pipe 8, a second filter screen 11 is fixed on the inner side of the evaporation box 10, a steam conveying pipe 9 is fixed in communication on the top of the evaporation pipe 8, the steam conveying pipe 9 is in communication with an external cooling system, the evaporation pipe 8 is in communication with the inside of the concentration kettle 6 through a conveying unit 4, a PLC controller 2 is installed on the side of the rack 1, the PLC controller 2 is electrically connected with an external power supply and the heating plate 7 respectively, the heating plate 7 heats material in the evaporation pipe 8, the material is diffused into the evaporation box 10 after being evaporated by heating, the steam is filtered through the second filter screen 11, the filtered steam is collected after being cooled by the external cooling system, the evaporation box 10 is of trapezoidal structure, and the communication part of the evaporation box 10 with the evaporation pipe 8 is relatively wide, so that the steam can be conveniently collected.

[0021] The stirring and cleaning unit 3 comprises a stepping motor 31, a coupling 32, a stirring shaft 33 and stirring rods 35, the stepping motor 31 is installed on the support of the frame 1, the output shaft of the stepping motor 31 is fixedly connected with the end of the stirring shaft 33 through the coupling 32, the stirring rods 35 are uniformly fixed on the stirring shaft 33 and are arranged on the inner side of the concentration kettle 6, the stepping motor 31 is electrically connected with the PLC controller 2, the stirring and cleaning unit 3 further comprises a cleaning brush 34, the cleaning brush 34 is fixed on the end of the stirring rod 35 and is arranged in contact with the first filter screen 12, the output shaft of the stepping motor 31 drives the stirring shaft 33 to rotate through the coupling 32, the stirring shaft 33 drives the stirring rods 35 to rotate, the material in the concentration kettle 6 is stirred through the stirring rods 35, at the same time, the cleaning brush 34 is driven by the stirring rods 35 to rotate, the dirt on the first filter screen 12 is cleaned through the cleaning brush 34, which is convenient for cleaning and saves the labor of cleaning, saves time and effort, at the same time, the material is evaporated after being filtered, which avoids that the steam contains more impurities when the material is evaporated, thereby reducing the subsequent filtering burden.

[0022] The blowdown unit 5 comprises a blowdown valve 51 and a blowdown pipe 52, the blowdown pipe 52 is fixed on the bottom of the concentration kettle 6 and is in communication with the inner side of the first filter screen 12, the blowdown valve 51 is assembled on the blowdown pipe 52, when the dirt needs to be discharged, the blowdown valve 51 is opened, and the dirt in the first filter screen 12 is discharged through the blowdown pipe 52.

[0023] The conveying unit 4 comprises a water pump 41 and a conveying pipe 42, the water pump 41 is installed on the inner side of the concentration kettle 6 and is in communication with the inside of the evaporation pipe 8 through the conveying pipe 42, the water pump 41 is electrically connected with the PLC controller 2, the material is first filtered through the first filter screen 12, then the water pump 41 conveys the material which is stirred and preliminarily filtered to the evaporation pipe 8 through the conveying pipe 42.

[0024] The evaporation pipe 8 is arranged in a meandering structure, so as to increase the passing path of the material and improve the evaporation efficiency of the material.

[0025] The working principle of the conversion liquid concentration kettle for p-aminophenylalanine processing is as follows: the output shaft of the stepper motor 31 drives the stirring shaft 33 to rotate through the shaft coupling 32, the stirring shaft 33 drives the stirring rod 35 to rotate, the material in the concentration kettle 6 is stirred through the stirring rod 35, at the same time, the stirring rod 35 drives the cleaning brush 34 to rotate, the dirt on the first filter screen 12 is cleaned through the cleaning brush 34, when the dirt needs to be discharged, the dirt in the first filter screen 12 is discharged through the dirt discharge pipe 52, the material is filtered through the first filter screen 12 first, then the water pump 41 conveys the material stirred and initially filtered through the conveying pipe 42 to the evaporation pipe 8, then the heating plate 7 heats the material in the evaporation pipe 8, the material is diffused into the evaporation box 10 after being heated and evaporated, the steam is filtered through the second filter screen 11, and the filtered steam is collected after being cooled through the external cooling system.

[0026] It is worth noting that the components disclosed in the above embodiments are all general standard components or components known by those skilled in the art, the structure and principle of which can be known by the technical personnel through a technical manual or through a conventional experimental method, the PLC controller 2 can be selected from the XG1 series, and the heating plate converts electric energy into heat energy to heat an object, which is a form of electric energy utilization.

[0027] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integral; can be mechanical connection, also can be electrical connection; can be direct connection, also can pass through intermediate medium indirectly connect, can be the intercommunication of two elements or the interaction of two elements, unless another definite limitation. For ordinary skilled in the art, the above terms can be understood according to specific circumstances in the utility model, for example, rotating connection can be rotating connection through bearing.

[0028] The utility model has not detailed part for prior art, although the utility model has been specifically shown and introduced in combination with preferred implementation scheme, and the specific implementation of the technical scheme method and approach is many, and the above-mentioned is only preferred implementation mode of the utility model, but the skilled in the art should understand that various changes can be made to the utility model in form and detail within the spirit and scope of the utility model defined by the attached claims, and all are the protection scope of the utility model.

Claims

1. A conversion liquid concentration kettle for processing aminomethylbenzoic acid, comprising a rack (1), a concentration kettle (6) is fixed on the inner side of the rack (1), characterized in that: The inside of the concentration kettle (6) is fixed with the first filter screen (12) of conical mechanism, the position corresponding to the first filter screen (12) on the rack (1) is installed with the stirring cleaning unit (3), the bottom of the rack (1) is installed with the blowdown unit (5) communicated with the inside of the first filter screen (12), the top of the rack (1) is installed with the heating plate (7), the heating plate (7) is installed with the evaporation pipe (8), the side of the evaporation pipe (8) is communicated and fixed with the evaporation box (10) of trapezoidal structure, the inside of the evaporation box (10) is fixed with the second filter screen (11), the top of the evaporation pipe (8) is communicated and fixed with the steam delivery pipe (9), the steam delivery pipe (9) is communicated with the external cooling system, the evaporation pipe (8) is communicated with the inside of the concentration kettle (6) through the delivery unit (4), the side of the rack (1) is installed with the PLC controller (2), and the PLC controller (2) is electrically connected with the external power supply and the heating plate (7) respectively.

2. The converting liquor concentration kettle for aminomethylbenzoic acid processing according to claim 1, characterized in that: The stirring cleaning unit (3) comprises a stepping motor (31), a shaft coupling (32), a stirring shaft (33) and a stirring rod (35), the stepping motor (31) is installed on the support of the rack (1), the output shaft of the stepping motor (31) is fixedly connected with the end of the stirring shaft (33) through the shaft coupling (32), the stirring rods (35) are uniformly fixed on the stirring shaft (33), and the stirring rods (35) are arranged on the inside of the concentration kettle (6), and the stepping motor (31) is electrically connected with the PLC controller (2).

3. The converting solution concentration kettle for aminomethylbenzoic acid processing according to claim 1 or 2, characterized in that: The stirring cleaning unit (3) further comprises a cleaning brush (34), the cleaning brush (34) is fixed on the end of the stirring rod (35), and the cleaning brush (34) is arranged in contact with the first filter screen (12).

4. The converting liquor concentration kettle for aminomethylbenzoic acid processing according to claim 1, characterized in that: The blowdown unit (5) comprises a blowdown valve (51) and a blowdown pipe (52), the blowdown pipe (52) is fixed on the bottom of the concentration kettle (6) and communicated with the inside of the first filter screen (12), and the blowdown valve (51) is assembled on the blowdown pipe (52).

5. The converting liquor concentration kettle for aminomethylbenzoic acid processing according to claim 1, characterized in that: The delivery unit (4) comprises a water pump (41) and a delivery pipe (42), the water pump (41) is installed on the inside of the concentration kettle (6), the water pump (41) is communicated with the inside of the evaporation pipe (8) through the delivery pipe (42), and the water pump (41) is electrically connected with the PLC controller (2).

6. The converting liquor concentration kettle for aminomethylbenzoic acid processing according to claim 1, characterized in that: The evaporation pipe (8) is arranged in a circuitous structure.

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