Saccharifying tank for itaconic acid preparation

Abstract

The utility model discloses a saccharifying tank for itaconic acid preparation, which comprises a tank body, an inner container is arranged in the tank body, a heating cavity is arranged between the inner container and the tank body, a tank cover is arranged above the tank body, a feeding pipe is arranged at the upper end of the tank cover, a water inlet pipe and a water outlet pipe are arranged on one side of the tank body, and a water outlet pipe is arranged on the other side of the tank body. The water outlet pipe is arranged above the water inlet pipe, a gear motor is arranged above the tank cover, a stirring paddle is arranged in the inner container, a filter disc is arranged in the inner container, the stirring paddle is rotationally connected with the center of the filter disc in a penetrating mode, and a waste discharge valve pipe is arranged on the other side of the tank body. According to the saccharifying tank, hot liquid is in contact with the inner container for heat exchange for heating, so that the inner container of the saccharifying tank is heated more uniformly, heating saccharifying treatment is better performed, in the treatment process, preparation raw materials are filtered through the filter disc, waste materials are removed, and the itaconic acid preparation quality is improved.

Description

Technical Field

[0001] This utility model relates to the field of itaconic acid preparation technology, specifically to a saccharification vessel for itaconic acid preparation. Background Technology

[0002] Itaconic acid is an important raw material in the chemical synthesis industry. It can be used to produce comonomers for polyacrylonitrile fibers, as well as to prepare plasticizers, lubricant additives, etc. Itaconic acid is an organic compound with a wide range of applications in the chemical, coating, plastic, resin, and pharmaceutical fields. The preparation process of itaconic acid requires saccharification, which is a complex biochemical reaction process. In the saccharification equipment, heating and stirring are used to adjust the optimal temperature and pH value of the enzymes, so that many insoluble substances are converted into soluble substances and dissolved under the action of enzymes.

[0003] Chinese Patent Publication No. CN216260256U, with an authorization announcement date of April 12, 2022, discloses a saccharification tank, comprising a tank body. The tank body is equipped with a stirring device, which includes a stirring rod and a drive motor. The stirring rod is coaxially fixedly connected to the output end of the drive motor, and the drive motor is installed at the bottom of the tank body. The stirring rod extends into the tank body and is equipped with a plurality of stirring blades. Each stirring blade includes two perpendicular blade units, and each blade unit has multiple flow-stabilizing holes. This application has the effect of improving the uniformity of material stirring.

[0004] Existing saccharification tanks typically use electric heating, which has a low heat conversion rate and the heat generated by electric heating is easily lost. This makes it difficult to effectively and evenly heat the saccharification process, and it cannot quickly and fully carry out saccharification, thus reducing the effectiveness of the saccharification tank and failing to meet usage requirements. Utility Model Content

[0005] The purpose of this invention is to provide a saccharification vessel for itaconic acid preparation, in order to solve the problems mentioned in the background art that existing saccharification vessels usually use electric heating, which has a low heat conversion rate, and the temperature of electric heating is easily discharged, making it difficult to effectively and uniformly heat the saccharification process, and thus failing to achieve rapid and sufficient saccharification, reducing the effectiveness of the saccharification vessel and failing to meet the usage requirements.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a saccharification tank for itaconic acid preparation, comprising a tank body, an inner liner integrally formed with the tank body, a heating chamber between the inner liner and the tank body, a tank cover at the top of the tank body connected to the tank body by screws, a feeding pipe integrally formed with the upper end of the tank cover, an inlet pipe and an outlet pipe integrally formed with the tank cover on one side of the tank body, the inlet pipe and the outlet pipe being integrally formed with the tank body, the outlet pipe being positioned above the inlet pipe, and the inlet pipe and the outlet pipe being connected to the heating chamber. The tank has a cavity connection. A geared motor is installed above the tank cover and connected to the tank cover by screws. An agitator is installed inside the inner liner, and one end of the agitator is connected to the output end of the geared motor. A filter disc is installed inside the inner liner and is inclined inside the inner liner. The agitator and the filter disc are rotatably connected through the center. A waste discharge valve pipe is installed on the other side of the tank and is integrated with the tank and the inner liner. The waste discharge valve pipe is located above one end of the filter disc. An electrical control panel is installed on one side of the tank and is connected to the tank by screws.

[0007] Preferably, a discharge valve is provided at the center of the lower end of the tank body, a drain pipe is provided on one side of the discharge valve, and the discharge valve and the drain pipe are connected to the tank body and the inner liner as a whole. A discharge pipe is provided on one side below the discharge valve, and the discharge pipe is threadedly connected to the discharge valve.

[0008] Preferably, a silicone ring is provided on the outside of the filter disc, and the silicone ring is integrated with the filter disc. The silicone ring is in contact with the inner wall of the inner liner. A dynamic sealing bearing is provided at the contact point between the stirring paddle and the filter disc, and the dynamic sealing bearing is located on the outside of the stirring paddle.

[0009] Preferably, an exhaust valve pipe is provided above the can lid, and the exhaust valve pipe is integrated with the can lid. A diaphragm is provided on the top of the can lid, and the diaphragm is integrated with the can lid. The diaphragm is located below the exhaust valve pipe.

[0010] Preferably, a cover plate is provided above the feeding pipe, a connecting frame is provided above the cover plate, one end of the connecting frame is rotatably connected to the feeding pipe, the middle part of the connecting frame is rotatably connected to the cover plate, the other end of the connecting frame is provided with an opening groove, a limit rod is provided above one side of the feeding pipe, and the limit rod is rotatably connected to the feeding pipe, the limit rod is correspondingly provided with the opening groove, and the limit rod is engaged with the connecting frame.

[0011] Preferably, a temperature sensor is provided at the bottom of the tank, and the temperature sensor is integrated with the tank and the inner liner.

[0012] Preferably, scrapers are provided on both sides of the stirring paddle, and the scrapers are in contact with the inner wall of the inner liner. An elastic connecting plate is provided between the scraper and the stirring paddle, and the elastic connecting plate is connected to the stirring paddle and the scraper by screws.

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

[0014] 1. This utility model device, through the setting of a temperature sensor, a heating chamber, an inlet pipe and an outlet pipe, allows hot liquid to be injected into the heating chamber through the inlet pipe. The hot liquid contacts the inner liner to heat it and increase the saccharification temperature. When the amount of hot liquid in the heating chamber reaches a certain amount, it is discharged through the outlet pipe for recycling, making the saccharification tank more evenly heated. The temperature sensor measures the saccharification temperature and can accurately control the saccharification temperature. A suitable temperature is beneficial for itaconic acid saccharification.

[0015] 2. This utility model device, through the setting of a geared motor, a stirring paddle, a filter disc, a waste discharge valve pipe, a scraper, and an elastic connecting plate, uses a geared motor to drive the stirring paddle to rotate, which stirs the raw materials and accelerates the mixing of raw materials for saccharification reaction. The filter disc filters the added raw materials and removes waste. The waste discharge valve pipe discharges the waste from the raw materials. The scraper rotates along with the inner wall of the inner liner as the stirring paddle rotates, scraping off the adhering substances on the inner wall of the inner liner. The elastic connecting plate acts as a buffer when the scraper rotates along the inner wall of the inner liner, ensuring that the scraper is in close contact with the inner wall of the inner liner during the rotation process, thus ensuring the scraping effect.

[0016] 3. The utility model device uses an exhaust valve pipe and a membrane to connect the saccharification tank with the outside world, ensuring the internal gas pressure balance of the saccharification tank, and the membrane filters the flowing gas. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a cross-sectional view of the present invention;

[0019] Figure 3 For the present utility model Figure 1 A magnified view of a portion of area A;

[0020] Figure 4 For the present utility model Figure 2 A magnified view of a portion of area B.

[0021] In the diagram: 1. Tank body; 2. Tank cover; 3. Electrical control panel; 4. Feeding pipe; 5. Gear motor; 6. Exhaust valve pipe; 7. Waste discharge valve pipe; 8. Shock-absorbing support leg; 9. Discharge valve; 10. Discharge pipe; 11. Drain pipe; 12. Temperature sensor; 13. Inner liner; 14. Heating chamber; 15. Water inlet pipe; 16. Water outlet pipe; 17. Filter plate; 18. Agitator; 19. Diaphragm; 20. Scraper; 21. Cover plate; 22. Connecting frame; 23. Opening groove; 24. Limiting rod; 25. Silicone ring; 26. Elastic connecting plate; 27. Dynamic seal bearing. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] Please see Figure 1-4 This utility model provides an embodiment of a saccharification tank for itaconic acid preparation, comprising a tank body 1, an inner liner 13 integrally formed with the tank body 1, a heating chamber 14 between the inner liner 13 and the tank body 1, a tank cover 2 connected to the tank body 1 by screws, a feeding pipe 4 integrally formed with the upper end of the tank cover 2, a water inlet pipe 15 and a water outlet pipe 16 integrally formed with the tank body 1 on one side, the water inlet pipe 15 and the water outlet pipe 16 being connected to the tank body 1, the water outlet pipe 16 being positioned above the water inlet pipe 15 and communicating with the heating chamber 14, a reduction motor 5 connected to the tank cover 2 by screws above the tank cover 2, and a stirring paddle 18 integrally formed inside the inner liner 13, one end of the stirring paddle 18 being connected to the reduction motor 14. The output end of the machine 5 is connected. A filter plate 17 is installed inside the inner liner 13, and the filter plate 17 is inclined inside the inner liner 13. The stirring paddle 18 is rotatably connected to the center of the filter plate 17. A waste discharge valve pipe 7 is installed on the other side of the tank body 1, and the waste discharge valve pipe 7 is connected to the tank body 1 and the inner liner 13 as a whole. The waste discharge valve pipe 7 is located above one end of the filter plate 17. An electric control panel 3 is installed on one side of the tank body 1, and the electric control panel 3 is connected to the tank body 1 by screws. A discharge valve 9 is installed at the center of the lower end of the tank body 1. A drain pipe 11 is installed on one side of the discharge valve 9, and the discharge valve 9 and the drain pipe 11 are connected to the tank body 1 and the inner liner 13 as a whole. A discharge pipe 10 is installed on one side below the discharge valve 9, and the discharge pipe 10 is threadedly connected to the discharge valve 9. A temperature sensor 12 is installed at the bottom of the tank body 1, and the temperature sensor 12 is connected to the tank body 1 and the inner liner 13 as a whole.

[0024] In use: Add the raw materials to the inner liner 13 through the feeding pipe 4. The raw materials fall onto the filter plate 17 and are filtered through the filter plate 17. Open the waste discharge valve pipe 7 to discharge the waste in the raw materials. During filtration, turn on the geared motor 5 to drive the stirring paddle 18 to rotate. As the stirring paddle 18 rotates, it stirs the raw materials and accelerates the mixing of the raw materials for saccharification reaction. Inject hot liquid into the heating chamber 14 through the water inlet pipe 15. The hot liquid contacts the inner liner 13 to heat it and increase the saccharification temperature. The temperature sensor 12 measures the saccharification temperature and can accurately control the saccharification temperature. After saccharification is completed, open the discharge valve 9 or the drain pipe 11 to discharge the saccharified product.

[0025] Please see Figure 2 and Figure 4 A silicone ring 25 is provided on the outside of the filter plate 17, and the silicone ring 25 is integrated with the filter plate 17. The silicone ring 25 is in contact with the inner wall of the inner liner 13. A dynamic sealing bearing 27 is provided at the contact point between the stirring paddle 18 and the filter plate 17, and the dynamic sealing bearing 27 is located on the outside of the stirring paddle 18. The silicone ring 25 ensures the sealing of the connection between the filter plate 17 and the inner liner 13, and the dynamic sealing bearing 27 ensures the sealing of the connection between the stirring paddle 18 and the filter plate 17, preventing the raw materials to leak out from the connection gap and ensuring the filtration effect of the raw materials.

[0026] Please see Figure 1 and Figure 2 An exhaust valve pipe 6 is provided above the can lid 2, and the exhaust valve pipe 6 is connected to the can lid 2 as a whole. A diaphragm 19 is provided on the top of the can lid 2, and the diaphragm 19 is connected to the can lid 2 as a whole. The diaphragm 19 is located below the exhaust valve pipe 6. The exhaust valve pipe 6 connects the saccharification tank to the outside world to ensure the internal gas pressure balance of the saccharification tank. The diaphragm 19 filters the flowing gas.

[0027] Please see Figure 1 and Figure 3 A cover plate 21 is provided above the feeding pipe 4, and a connecting frame 22 is provided above the cover plate 21. One end of the connecting frame 22 is rotatably connected to the feeding pipe 4, and the middle part of the connecting frame 22 is rotatably connected to the cover plate 21. An opening groove 23 is provided at the other end of the connecting frame 22. A limit rod 24 is provided above one side of the feeding pipe 4, and the limit rod 24 is rotatably connected to the feeding pipe 4. The limit rod 24 is correspondingly provided with the opening groove 23, and the limit rod 24 is engaged with the connecting frame 22.

[0028] Please see Figure 2 and Figure 4Scrapers 20 are provided on both sides of the agitator 18, and the scrapers 20 are in contact with the inner wall of the inner liner 13. An elastic connecting plate 26 is provided between the scraper 20 and the agitator 18, and the elastic connecting plate 26 is connected to the agitator 18 and the scraper 20 by screws. As the agitator 18 rotates, the scraper 20 rotates in contact with the inner wall of the inner liner 13, scraping off the deposits on the inner wall of the inner liner 13. The elastic connecting plate 26 plays a buffering role when the scraper 20 rotates in contact with the inner wall of the inner liner 13, which can ensure that the scraper 20 is in close contact with the inner wall of the inner liner 13 during the rotation process, and ensure the scraping effect.

[0029] Working principle: The raw materials are added to the inner liner 13 through the feeding pipe 4. The raw materials fall onto the filter plate 17 and are filtered through the filter plate 17. Waste is discharged from the raw materials by opening the waste discharge valve pipe 7. During filtration, the reduction motor 5 drives the stirring paddle 18 to rotate. As the stirring paddle 18 rotates, it stirs the raw materials, accelerating the mixing and saccharification reaction. Hot liquid is injected into the heating chamber 14 through the water inlet pipe 15. The hot liquid contacts the inner liner 13 to heat it, raising the saccharification temperature. The temperature sensor 12 measures the saccharification temperature. Accurately control the saccharification temperature. After saccharification is completed, open the discharge valve 9 or the drain pipe 11 to discharge the saccharified product. The exhaust valve pipe 6 connects the saccharification tank to the outside world to ensure the internal air pressure balance of the saccharification tank. The diaphragm 19 filters the flowing gas. The scraper 20 rotates along with the inner wall of the inner liner 13 as the stirring paddle 18 rotates, scraping off the deposits on the inner wall of the inner liner 13. The elastic connecting plate 26 acts as a buffer when the scraper 20 rotates along the inner wall of the inner liner 13, ensuring that the scraper 20 is in close contact with the inner wall of the inner liner 13 during the rotation process, ensuring the scraping effect.

[0030] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A saccharification vessel for the preparation of itaconic acid, comprising a vessel body (1), characterized in that: The tank body (1) is equipped with an inner liner (13), and the inner liner (13) and the tank body (1) are integrated. A heating chamber (14) is provided between the inner liner (13) and the tank body (1). A tank cover (2) is provided on the top of the tank body (1), and the tank cover (2) is connected to the tank body (1) by screws. A feeding pipe (4) is provided at the upper end of the tank cover (2), and the feeding pipe (4) is connected to the tank cover (2) as an integral unit. A water inlet pipe (15) and a water outlet pipe (16) are provided on one side of the tank body (1), and the water inlet pipe (15) and the water outlet pipe (16) are connected to the tank body (1) as an integral unit. The water outlet pipe (16) is located above the water inlet pipe (15), and the water inlet pipe (15) and the water outlet pipe (16) are connected to the heating chamber (14). A heating chamber (14) is provided above the tank cover (2). A geared motor (5) is provided, and the geared motor (5) is connected to the tank cover (2) by screws. An agitator (18) is provided inside the inner liner (13), and one end of the agitator (18) is connected to the output end of the geared motor (5). A filter plate (17) is provided inside the inner liner (13), and the filter plate (17) is inclined inside the inner liner (13). The agitator (18) and the filter plate (17) are connected and rotated through the center. A waste discharge valve pipe (7) is provided on the other side of the tank body (1), and the waste discharge valve pipe (7) is connected to the tank body (1) and the inner liner (13) as a whole. The waste discharge valve pipe (7) is located above one end of the filter plate (17). An electric control panel (3) is provided on one side of the tank body (1), and the electric control panel (3) is connected to the tank body (1) by screws.

2. The saccharification vessel for itaconic acid preparation according to claim 1, characterized in that: A discharge valve (9) is provided at the center of the lower end of the tank body (1). A drain pipe (11) is provided on one side of the discharge valve (9). The discharge valve (9) and the drain pipe (11) are connected to the tank body (1) and the inner liner (13) as a whole. A discharge pipe (10) is provided on one side below the discharge valve (9). The discharge pipe (10) is threadedly connected to the discharge valve (9).

3. The saccharification vessel for itaconic acid preparation according to claim 1, characterized in that: A silicone ring (25) is provided on the outside of the filter plate (17), and the silicone ring (25) is connected to the filter plate (17) as a whole. The silicone ring (25) is in contact with the inner wall of the inner liner (13). A dynamic sealing bearing (27) is provided at the contact point between the stirring paddle (18) and the filter plate (17), and the dynamic sealing bearing (27) is located on the outside of the stirring paddle (18).

4. The saccharification vessel for itaconic acid preparation according to claim 1, characterized in that: An exhaust valve pipe (6) is provided above the can lid (2), and the exhaust valve pipe (6) is connected to the can lid (2) as a whole. A diaphragm (19) is provided on the top of the can lid (2), and the diaphragm (19) is connected to the can lid (2) as a whole. The diaphragm (19) is located below the exhaust valve pipe (6).

5. The saccharification vessel for itaconic acid preparation according to claim 1, characterized in that: A cover plate (21) is provided above the feeding pipe (4), and a connecting frame (22) is provided above the cover plate (21). One end of the connecting frame (22) is rotatably connected to the feeding pipe (4), and the middle part of the connecting frame (22) is rotatably connected to the cover plate (21). An opening groove (23) is provided at the other end of the connecting frame (22). A limiting rod (24) is provided above one side of the feeding pipe (4), and the limiting rod (24) is rotatably connected to the feeding pipe (4). The limiting rod (24) is correspondingly provided to the opening groove (23), and the limiting rod (24) is engaged with the connecting frame (22).

6. The saccharification vessel for itaconic acid preparation according to claim 1, characterized in that: A temperature sensor (12) is provided below the tank (1), and the temperature sensor (12) is connected to the tank (1) and the inner liner (13) as a whole.

7. The saccharification vessel for itaconic acid preparation according to claim 1, characterized in that: Both sides of the stirring paddle (18) are provided with scrapers (20), and the scrapers (20) are in contact with the inner wall of the inner liner (13). An elastic connecting plate (26) is provided between the scraper (20) and the stirring paddle (18), and the elastic connecting plate (26) is connected to the stirring paddle (18) and the scraper (20) by screws.

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