Reaction kettle for formic acid production

By designing a formic acid reactor including a rotary spraying system and a scraper, the problem of missing automatic cleaning function of the existing reactor is solved, automatic cleaning is realized, and the cleaning effect and device practicality are improved.

CN222586574UActive Publication Date: 2025-03-11HENAN SANSHENG PHARM CO LTD
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Patent Information

Application Number
CN202421189130.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-27
Publication Date
2025-03-11
Estimated Expiration
2034-05-27

AI Technical Summary

Technical Problem

The existing formic acid reactor lacks automatic cleaning function, has a small cleaning range, poor cleaning effect, and improper operation may accidentally injure the staff, and the device is poor in practicality.

Method used

A reactor including a tank body, feed pipe, discharge pipe, bearing, water inlet pipe, motor, driving wheel, scraper and stirring rod is designed. The function of automatic cleaning of the reactor is realized by rotating the combination of cleaning liquid and scraper.

Benefits of technology

Automatic cleaning of the reactor is realized, the cleaning range is expanded, the cleaning effect is improved, the practicality of the device is enhanced, and the danger to staff is avoided.

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Abstract

The utility model provides a reaction kettle for formic acid production, which belongs to the technical field and comprises a tank body, a feed pipe arranged on one side of the upper surface of the tank body, a discharge pipe arranged in the center of the bottom of the tank body, a bearing arranged on the inner wall of the tank body, a water inlet pipe fixed on the inner ring of the bearing, a driven wheel arranged in the center of the surface of the water inlet pipe and a support frame arranged on the other side of the upper surface of the tank body, a motor is arranged on the bottom face of the supporting frame, a driving wheel is installed at the output end of the motor, and the surfaces of the driving wheel and a driven wheel are in transmission connection with a conveying belt. A plurality of connecting pipes are evenly connected to the lower side surface of the water inlet pipe, nozzles are installed at the ends of the connecting pipes, and a supporting column is arranged at the bottom of the water inlet pipe. Fixing blocks are arranged at the ends of the connecting rods, scrapers are installed in the centers of the fixing blocks, the surfaces of the scrapers make contact with the inner wall of the tank body, and a plurality of stirring rods are evenly arranged on the surfaces of the supporting columns; the device can be automatically cleaned after being used, and is good in cleaning effect and high in practicability.
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Description

Technical Field

[0001] The utility model relates to the technical field, in particular to a reaction kettle for producing formic acid. Background Art

[0002] Formic acid, also known as formic acid, has a molecular formula of HCOOH. Formic acid is colorless with a pungent odor and is corrosive. Contact with human skin will cause blisters and swelling. Formic acid has the properties of both acid and aldehyde. In the chemical industry, formic acid is used in rubber, medicine, dye, and leather industries. A reactor is required in the production process of formic acid, and the reactor needs to be cleaned after use. However, some existing formic acid reactors do not have the function of automatic cleaning, the cleaning range is small, and the cleaning effect is poor. In addition, due to the corrosiveness of formic acid, improper operation during the cleaning of the reactor may cause accidental injury to the staff, and the device is of poor practicality. Utility Model Content

[0003] In view of this, the utility model provides a reaction kettle for formic acid production, which can be automatically cleaned after use, has good cleaning effect and strong practicality.

[0004] In order to solve the above technical problems, the utility model provides a reactor for formic acid production, including a tank body, a feed pipe is arranged on one side of the upper surface of the tank body, a discharge pipe is arranged at the center of the bottom of the tank body, a bearing is arranged on the upper inner wall of the tank body, a water inlet pipe is fixed to the inner ring of the bearing, a driven wheel is arranged at the center of the surface of the water inlet pipe, a support frame is arranged on the other side of the upper surface of the tank body, a motor is arranged on the bottom surface of the support frame, a driving wheel is arranged on the output end of the motor, and a conveyor belt is connected to the surface of the driving wheel and the driven wheel in a transmission manner, a plurality of connecting pipes are evenly connected to the lower surface of the water inlet pipe, a nozzle is arranged at the end of the connecting pipe, a support column is arranged at the bottom of the water inlet pipe, connecting rods are arranged on both sides of the center of the support column, and a fixing block is arranged at the end of the connecting rod, and a fixing block is arranged at the end of the connecting rod. A scraper is installed in the center of the block, and the surface of the scraper is in contact with the inner wall of the tank. A number of stirring rods are evenly arranged on the surface of the support column. When the reactor is used up and the tank needs to be cleaned, the cleaning liquid is poured into the water inlet pipe to allow the cleaning liquid to enter the connecting pipe, and then the cleaning liquid in the connecting pipe is sprayed on the inner wall of the tank through the nozzle, and then the motor is started to rotate and spray the cleaning liquid on the inner wall of the tank, so that the cleaning liquid flows downward along the inner wall of the tank, and at the same time, the scraper cooperates with the cleaning liquid to clean the inner wall of the tank, and finally the cleaning liquid is discharged through the discharge pipe, and the cleaning range is expanded by rotating and spraying the cleaning liquid, and at the same time, the scraper is used for cleaning, so that the reactor can be automatically cleaned, the cleaning effect is good, and the device is highly practical.

[0005] The cross section of the scraper is L-shaped, and the L-shaped scraper expands the cleaning range and further improves the cleaning effect.

[0006] The cross section of the stirring rod is elliptical. When the formic acid raw material is stirred, the elliptical stirring rod can reduce the resistance of the raw material to the stirring rod, making the stirring smoother.

[0007] A number of stirring paddles are evenly arranged on the surface of the stirring rod, which further improve the stirring effect.

[0008] A fixed column is arranged at the bottom of the supporting column, and a material guide rack is installed on the surface of the fixed column. The material guide rack can stir the raw materials at the material outlet to improve the stirring effect.

[0009] A sleeve is provided on the outer wall of the tank body, a heating wire is provided inside the sleeve, a temperature controller is provided on the outer wall of the sleeve, and the temperature controller is electrically connected to the heating wire. When the temperature of the formic acid raw material needs to be increased, the staff controls the temperature of the heating wire through the temperature controller to improve the formic acid production efficiency and the applicability of the device.

[0010] A metal heat-conducting pad is arranged on the inner wall of the sleeve, and the metal heat-conducting pad makes the tank body heated more evenly, thereby making the formic acid raw material heated more evenly.

[0011] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0012] 1. When the utility model is used, when the reactor needs to be cleaned after use, the cleaning liquid is poured into the water inlet pipe to allow the cleaning liquid to enter the connecting pipe, and then the cleaning liquid in the connecting pipe is sprayed on the inner wall of the tank through the nozzle, and then the motor is started to rotate and spray the cleaning liquid on the inner wall of the tank, so that the cleaning liquid flows downward along the inner wall of the tank, and at the same time, the scraper cooperates with the cleaning liquid to clean the inner wall of the tank, and finally the cleaning liquid is discharged through the discharge pipe, and the cleaning range is expanded by rotating and spraying the cleaning liquid, and at the same time, the scraper is used for cleaning, so that the reactor can be automatically cleaned, the cleaning effect is good, and the device is highly practical.

[0013] 2. When the utility model is used, a fixed column is arranged at the bottom of the support column, and a material guide rack is installed on the surface of the fixed column. The material guide rack can stir the raw materials at the discharge port to improve the stirring effect.

[0014] 3. When the utility model is used, a sleeve is provided on the outer wall of the tank body, a heating wire is provided inside the sleeve, a temperature controller is provided on the outer wall of the sleeve, and the temperature controller is electrically connected to the heating wire. When the temperature of the formic acid raw material needs to be increased, the staff controls the temperature of the heating wire through the temperature controller, thereby improving the production efficiency of formic acid and the applicability of the device.

[0015] 4. When the utility model is used, a metal heat-conducting pad is provided on the inner wall of the sleeve, and the metal heat-conducting pad makes the tank body heated more evenly, thereby making the formic acid raw material heated more evenly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 This is a front cross-sectional view of the interior of the tank of the utility model;

[0018] Figure 3 It is a cross-sectional view of the internal structure of the tank body of the utility model.

[0019] Explanation of the reference numerals: 100, tank body; 101, support frame; 102, bearing; 103, feed pipe; 104, discharge pipe; 200, motor; 201, driving wheel; 300, water inlet pipe; 301, driven wheel; 302, connecting pipe; 303, nozzle; 400, support column; 401, connecting rod; 402, fixing block; 403, scraper; 404, stirring rod; 405, stirring paddle; 406, fixing column; 407, material guide frame; 500, conveyor belt; 600, sleeve; 601, heating wire; 602, temperature controller. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-3 , the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0021] According to one embodiment of the utility model, Figure 1 , Figure 2 and Figure 3As shown: This embodiment provides a reactor for formic acid production, including a tank body 100, a feed pipe 103 is arranged on one side of the upper surface of the tank body 100, a discharge pipe 104 is arranged at the center of the bottom of the tank body 100, a bearing 102 is arranged on the inner wall of the tank body 100, a water inlet pipe 300 is fixed to the inner ring of the bearing 102, a driven wheel 301 is arranged at the center of the surface of the water inlet pipe 300, a support frame 101 is arranged on the other side of the upper surface of the tank body 100, a motor 200 is arranged on the bottom surface of the support frame 101, a driving wheel 201 is installed at the output end of the motor 200, and a conveyor belt 500 is connected to the surface of the driving wheel 201 and the driven wheel 301, and a plurality of connecting pipes 302 are evenly connected to the lower surface of the water inlet pipe 300, and the connecting pipes 301 are connected to the lower surface of the water inlet pipe 300. 02 end is provided with a nozzle 303, a support column 400 is provided at the bottom of the water inlet pipe 300, connecting rods 401 are provided on both sides of the center of the support column 400, and a fixing block 402 is provided at the end of the connecting rod 401. A scraper 403 is installed in the center of the fixing block 402, and the surface of the scraper 403 contacts the inner wall of the tank body 100. A plurality of stirring rods 404 are evenly provided on the surface of the support column 400. When the reactor is used up and the tank body 100 needs to be cleaned, the cleaning liquid is poured into the water inlet pipe 300, so that the cleaning liquid enters the connecting pipe 302, and then the cleaning liquid in the connecting pipe 302 is sprayed on the inner wall of the tank body 100 through the nozzle 303, and then the motor 200 is started, and the output end of the motor 200 drives the driving wheel 20 1 rotates, the driving wheel 201 drives the driven wheel 301 to rotate through the conveyor belt 500, so that the driven wheel 301 drives the water inlet pipe 300 to rotate, and the water inlet pipe 300 drives the nozzle 303 to rotate, so that the cleaning liquid is rotated and sprayed on the inner wall of the tank body 100, so that the cleaning liquid flows downward along the inner wall of the tank body 100, and at the same time, the water inlet pipe 300 drives the support column 400 and the connecting rod 401 to rotate, so that the connecting rod 401 drives the fixed block 402 and the scraper 403 to move synchronously, so that the scraper 403 scrapes the formic acid remaining on the inner wall of the tank body 100, and at the same time, the scraper 403 cooperates with the cleaning liquid to clean the inner wall of the tank body 100, and finally the cleaning liquid is discharged through the discharge pipe 104, and the cleaning range is expanded by rotating and spraying the cleaning liquid. The scraper 403 is used for cleaning, so that the reactor can be automatically cleaned, the cleaning effect is good, and the device is highly practical; the cross section of the scraper 403 is L-shaped, and the L-shaped scraper 403 expands the cleaning range and further improves the cleaning effect; the cross section of the stirring rod 404 is elliptical, and when the formic acid raw material is stirred, the elliptical stirring rod 404 can reduce the resistance of the raw material to the stirring rod 404, so that the stirring is smoother; a plurality of stirring paddles 405 are evenly arranged on the surface of the stirring rod 404, and the stirring paddles 405 further improve the stirring effect; a fixed column 406 is arranged at the bottom of the support column 400, and a material guide rack 407 is installed on the surface of the fixed column 406, and the material guide rack 407 can stir the raw material at the discharge port to improve the stirring effect;

[0022] According to another embodiment of the present invention, Figure 1 and Figure 3 As shown, the outer wall of the tank body 100 is provided with a sleeve 600, and an electric heating wire 601 is arranged inside the sleeve 600. The outer wall of the sleeve 600 is provided with a temperature controller 602, and the temperature controller 602 is electrically connected to the electric heating wire 601. When the temperature of the formic acid raw material needs to be increased, the staff controls the temperature of the electric heating wire 601 through the temperature controller 602, thereby improving the formic acid production efficiency and the applicability of the device; the inner wall of the sleeve 600 is provided with a metal thermal pad, and the metal thermal pad makes the tank body 100 heated more evenly, thereby making the formic acid raw material heated more evenly.

[0023] The use of this utility model:

[0024] When the reactor is finished using and the tank body 100 needs to be cleaned, the cleaning liquid is poured into the water inlet pipe 300, so that the cleaning liquid enters the connecting pipe 302, and then the cleaning liquid in the connecting pipe 302 is sprayed on the inner wall of the tank body 100 through the nozzle 303, and then the motor 200 is started, and the output end of the motor 200 drives the driving wheel 201 to rotate, and the driving wheel 201 drives the driven wheel 301 to rotate through the conveyor belt 500, so that the driven wheel 301 drives the water inlet pipe 300 to rotate, and the water inlet pipe 300 drives the nozzle 303 to rotate, so that the cleaning liquid is rotated and sprayed in the tank body 100. The cleaning liquid flows downward along the inner wall of the tank body 100, and at the same time, the water inlet pipe 300 drives the support column 400 and the connecting rod 401 to rotate, so that the connecting rod 401 drives the fixed block 402 and the scraper 403 to move synchronously, so that the scraper 403 scrapes off the formic acid remaining on the inner wall of the tank body 100, and at the same time, the scraper 403 cooperates with the cleaning liquid to clean the inner wall of the tank body 100, and finally the cleaning liquid is discharged through the discharge pipe 104, and the cleaning range is expanded by rotating and spraying the cleaning liquid, and at the same time, the scraper 403 is cooperated to clean, so that the reactor can be automatically cleaned, the cleaning effect is good, and the device is highly practical.

[0025] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A reactor for producing formic acid, comprising a tank body (100), wherein a feed pipe (103) is arranged on one side of the upper surface of the tank body (100), and a discharge pipe (104) is arranged at the center of the bottom of the tank body (100), characterized in that: The tank body (100) is provided with a bearing (102) on the inner wall thereof, a water inlet pipe (300) is fixed to the inner ring of the bearing (102), a driven wheel (301) is provided at the center of the surface of the water inlet pipe (300), a support frame (101) is provided on the other side of the upper surface of the tank body (100), a motor (200) is provided on the bottom surface of the support frame (101), a driving wheel (201) is installed at the output end of the motor (200), and a conveyor belt (500) is connected to the surface of the driving wheel (201) and the driven wheel (301), and the water inlet pipe (300) is provided with a driven wheel (201) and a driven wheel (301) on the surface of the driven wheel (301). ) is evenly connected to the lower surface of the tank body (100), and a nozzle (303) is installed at the end of the connecting pipe (302). A support column (400) is arranged at the bottom of the water inlet pipe (300), and connecting rods (401) are arranged on both sides of the center of the support column (400). A fixing block (402) is arranged at the end of the connecting rod (401), and a scraper (403) is installed in the center of the fixing block (402), and the surface of the scraper (403) is in contact with the inner wall of the tank body (100). A plurality of stirring rods (404) are evenly arranged on the surface of the support column (400).

2. A reactor for formic acid production as claimed in claim 1, characterized in that: The cross section of the scraper (403) is L-shaped.

3. A reactor for formic acid production as claimed in claim 1, characterized in that: The stirring rod (404) has an elliptical cross section.

4. A reactor for formic acid production as claimed in claim 1, characterized in that: A plurality of stirring paddles (405) are evenly arranged on the surface of the stirring rod (404).

5. A reactor for formic acid production as claimed in claim 1, characterized in that: A fixing column (406) is arranged at the bottom of the supporting column (400), and a material guide frame (407) is installed on the surface of the fixing column (406).

6. A reactor for formic acid production as claimed in claim 1, characterized in that: The outer wall of the tank body (100) is provided with a sleeve (600), an electric heating wire (601) is provided inside the sleeve (600), a temperature controller (602) is provided on the outer wall of the sleeve (600), and the temperature controller (602) is electrically connected to the electric heating wire (601).

7. A reactor for formic acid production as claimed in claim 6, characterized in that: The inner wall of the sleeve (600) is provided with a metal heat conductive pad.