Reaction device for dextrin production
By installing the feed pipe of the crushing rod, crushing knife and filter plate at the inlet port of the reaction device for dextrin production, the dextrin raw material is pretreated, which solves the problem of uneven reaction caused by the existing equipment being unable to pretreat, and improves the reaction efficiency and product quality.
Patent Information
- Application Number
- CN202420917973.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-04-29
AI Technical Summary
The existing stirring and reaction equipment cannot pretreat the dextrin raw materials, resulting in precipitation and agglomeration of large-grain raw materials during the stirring process, affecting the uniformity of the reaction and reaction efficiency.
A reaction device for production of dextrin is designed. By installing an inlet pipe with a crushing rod, a crushing knife and a filter plate at the inlet port of the stirring barrel, the dextrin raw material is pre-crumbled and screened to ensure that the raw material reaches a unified specification before entering the stirring barrel.
By pretreating dextrin raw materials, more uniform heating and reaction can be achieved in the stirring barrel, overall reaction efficiency can be improved, product quality can be ensured, and filter plate clogging can be effectively avoided.
Smart Images
Figure CN222658645U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of starch processing, and in particular relates to a reaction device for dextrin production. Background Art
[0002] Dextrin, also known as sodium carboxymethyl starch, is an important chemical and food additive. It is a substance made by acid hydrolysis and esterification of starch in a stirring reactor, usually in the form of white powder. Dextrin has excellent thickening, gelling and stabilizing properties and is also used in the pharmaceutical industry.
[0003] In the production process of dextrin, the particle size of the raw materials is very important for the stirring reaction process. However, the existing stirring reaction equipment does not have a raw material pretreatment structure, resulting in the dextrin raw materials directly put into the reaction equipment being of different sizes. The fine raw material particles are more easily dispersed and suspended during the stirring process, while large particle raw materials may precipitate, agglomerate and other problems during the stirring process, affecting the uniformity of the reaction, reducing the overall reaction efficiency, and also affecting the quality of the final product. For this reason, a reaction device for dextrin production is specially provided to solve the above technical problems. Utility Model Content
[0004] In view of the problem that the stirring reaction equipment in the prior art cannot pre-treat the dextrin raw materials, and there is a problem that large particles cannot react synchronously with small particles, affecting the reaction uniformity and reaction efficiency, the utility model provides a reaction device for dextrin production. By installing a feed pipe with a crushing rod, a crushing knife and a filter plate at the feed inlet of the stirring barrel, the dextrin raw materials can be crushed to uniform specifications by using the crushing rod to drive the crushing knife to rotate before entering the stirring barrel, and then enter the stirring barrel for stirring after being screened by the filter plate. The uniform specifications of dextrin raw materials can be evenly heated in the stirring barrel, and the reaction can be more uniform, thereby improving the overall reaction efficiency and ensuring product quality. It effectively solves the problem that the stirring reaction equipment in the prior art cannot pre-treat the dextrin raw materials, and large particles cannot react synchronously with small particles, affecting the reaction uniformity and reaction efficiency. Its specific technical scheme is as follows:
[0005] A reaction device for producing dextrin comprises a stirring barrel, wherein the upper surface of the stirring barrel is provided with a feeding port, a stirring rod is rotatably mounted in the stirring barrel, a feeding pipe is fixedly mounted on the upper surface of the stirring barrel, the feeding pipe comprises a feeding chamber and a processing chamber, the feeding chamber and the processing chamber are connected, a feeding end of the processing chamber is mounted at the feeding port, and a filter plate is fixedly mounted on the feeding end of the processing chamber, a crushing rod is rotatably mounted in the processing chamber, a plurality of crushing knives are fixedly mounted on the outer surface of the crushing rod, and a synchronous driving device is installed between the crushing rod and the stirring rod.
[0006] In the above technical solution, the sieve hole diameter of the filter plate is 0.15 mm, and a cleaning brush is fixedly installed at the bottom end of the crushing rod, and the lower surface of the cleaning brush is in contact with the upper surface of the filter plate;
[0007] In the above technical solution, the synchronous drive device includes a drive motor, two pulleys and a transmission belt. An L-shaped fixing frame is fixedly installed between the drive motor and the upper surface of the mixing barrel, and the output shaft of the drive motor is fixedly connected to the top of the mixing rod. The two pulleys are respectively sleeved on the upper outer surfaces of the mixing rod and the crushing rod, and the transmission belt is sleeved and installed between the two pulleys.
[0008] In the above technical solution, a vacuum connecting pipe is fixedly installed on the upper surface of the mixing barrel, and a sealing cover is threadedly connected to the feeding port of the feeding cavity;
[0009] In the above technical solution, an interlayer is provided in the mixing barrel, and a heating tube body is coiled and fixedly installed in the interlayer.
[0010] Compared with the prior art, the reaction device for producing dextrin of the utility model has the following beneficial effects:
[0011] 1. The utility model installs a feeding pipe with a crushing rod, a crushing knife and a filter plate at the feeding port of the mixing barrel. Before the dextrin raw materials enter the mixing barrel, the crushing rod can be used to drive the crushing knife to rotate to crush the dextrin raw materials into uniform specifications, and then the dextrin raw materials enter the mixing barrel for stirring after being screened by the filter plate. The dextrin raw materials of uniform specifications can be evenly heated in the mixing barrel, and the reaction can be more uniform, thereby improving the overall reaction efficiency and ensuring product quality.
[0012] 2. The utility model fixes a cleaning brush at the bottom end of the crushing rod. When pre-treating the dextrin raw material, the crushing rod can be used to drive the bristles of the cleaning brush to move circumferentially along the upper surface of the filter plate, thereby cleaning the filter plate, which can effectively avoid blockage and affect material discharge. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the main structure of the utility model.
[0014] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.
[0015] Figure 3 It is a schematic diagram of the cross-sectional structure of the feed pipe of the utility model.
[0016] Figure 1-3Among them: 1. stirring barrel; 11. feeding port; 12. stirring rod; 13. interlayer; 131. heating tube body; 14. vacuum connecting pipe; 2. feeding pipe; 21. feeding chamber; 22. processing chamber; 23. filter plate; 24. sealing cover; 3. crushing rod; 31. crushing knife; 32. cleaning brush; 4. synchronous driving device; 41. driving motor; 42. pulley; 43. transmission belt. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0018] See also Figure 1-Figure 3 , the utility model provides a technical solution:
[0019] A reaction device for dextrin production, comprising a stirring barrel 1, a feeding port 11 is provided on the upper surface of the stirring barrel 1, a stirring rod 12 is rotatably installed in the stirring barrel 1, a feeding pipe 2 is fixedly installed on the upper surface of the stirring barrel 1, the feeding pipe 2 comprises a feeding chamber 21 and a processing chamber 22, the feeding chamber 21 and the processing chamber 22 are connected, a feeding end of the processing chamber 22 is installed at the feeding port 11, and a filter plate 23 is fixedly installed at the feeding end of the processing chamber 22, the sieve aperture of the filter plate 23 is 0.15 mm, a crushing rod 3 is rotatably installed in the processing chamber 22, a plurality of crushing knives 31 are fixedly installed on the outer surface of the crushing rod 3, and a synchronous driving device 4 is installed between the crushing rod 3 and the stirring rod 12;
[0020] like Figure 2 As shown, when in use, the synchronous driving device 4 is started, and the synchronous driving device 4 synchronously drives the crushing rod 3 and the stirring rod 12 to rotate, and the crushing rod 3 drives the crushing knife 31 to rotate continuously, and the dextrin raw material is put into the top opening of the feeding chamber 21, and the dextrin raw material enters the processing chamber 22 through the feeding chamber 21. After entering, the dextrin raw material is crushed when it contacts the crushing knife 31, and the dextrin raw material that meets the specifications falls into the stirring barrel 1 through the filter plate 23, and is stirred and reacted by the stirring rod 12. The large particles of dextrin raw material continue to be crushed in the processing chamber 22 and contact the crushing knife 31 again until they are cut into pieces that meet the falling specifications and enter the stirring barrel 1. Compared with the prior art, by pre-treating and crushing the dextrin raw material, the dextrin raw material can reach a smaller specification before entering the stirring barrel 1 for reaction, so that it can be evenly heated in the stirring barrel 1, and the reaction can be more uniform, thereby improving the overall reaction efficiency and ensuring product quality.
[0021] It is worth noting that if Figure 3 As shown, in order to prevent the dextrin raw material from clogging the filter plate 23 during the falling process, a cleaning brush 32 is fixedly installed at the bottom end of the crushing rod 3, and the lower surface of the cleaning brush 32 is in contact with the upper surface of the filter plate 23. When the crushing rod 3 rotates, it can drive the cleaning brush 32 to rotate, so that the bristles of the cleaning brush 32 can be used to clean the sieve holes of the filter plate 23 to avoid clogging.
[0022] Specifically, if Figure 2 As shown, the synchronous drive device 4 includes a drive motor 41, two pulleys 42 and a transmission belt 43. An L-shaped fixing frame is fixedly installed between the drive motor 41 and the upper surface of the mixing barrel 1, and the output shaft of the drive motor 41 is fixedly connected to the top of the stirring rod 12. The two pulleys 42 are respectively sleeved on the upper outer surfaces of the stirring rod 12 and the crushing rod 3, and the transmission belt 43 is sleeved between the two pulleys 42 (the pulleys 42 and the transmission belt 43 in the synchronous drive device can also be replaced by two sprockets and a transmission chain when actually used. The two sprockets are respectively sleeved on the outer surfaces of the stirring rod 12 and the crushing rod 3, and the transmission chain is sleeved between the two sprockets);
[0023] The driving motor 41 is a forward and reverse motor. After the driving motor 41 is powered on and started, it directly drives the stirring rod 12 to rotate, and uses the stirring rod 12 to stir the material in the mixing barrel 1. The stirring rod 12 can use the linkage between the pulley 42 and the transmission belt 43 to synchronously drive the crushing rod 3 to rotate, so that the pre-processing crushing work and the stirring work are carried out together.
[0024] like Figure 2 As shown, a vacuum connecting pipe 14 is fixedly installed on the upper surface of the mixing barrel 1, and the vacuum connecting pipe 14 is used to connect to an external vacuum device. A sealing cover 24 is threadedly connected to the feeding port of the feeding chamber 21. When the mixing barrel 1 is evacuated by an external vacuum device, the sealing cover 24 is used to seal the feeding pipe 2.
[0025] Finally, it should be noted that Figure 2 As shown, an interlayer 13 is provided in the mixing barrel 1, and a heating tube body 131 is coiled and fixedly installed in the interlayer 13. The heating tube body 131 is used to heat the inner cavity side wall of the mixing barrel 1, so that the raw materials can react effectively at a certain temperature.
Claims
1. A reaction device for dextrin production, comprising a stirring barrel (1), wherein the upper surface of the stirring barrel (1) is provided with a feed inlet (11), and a stirring rod (12) is rotatably installed in the stirring barrel (1), characterized in that: A feed pipe (2) is fixedly mounted on the upper surface of the stirring barrel (1), the feed pipe (2) comprising a feed chamber (21) and a processing chamber (22), the feed chamber (21) and the processing chamber (22) being connected, the feed discharge end of the processing chamber (22) being mounted at the feed inlet (11), and a filter plate (23) being fixedly mounted on the feed discharge end of the processing chamber (22), a crushing rod (3) being rotatably mounted in the processing chamber (22), a plurality of crushing knives (31) being fixedly mounted on the outer surface of the crushing rod (3), and a synchronous driving device (4) being mounted between the crushing rod (3) and the stirring rod (12).
2. A reaction device for dextrin production according to claim 1, characterized in that: The sieve hole diameter of the filter plate (23) is 0.15 mm. A cleaning brush (32) is fixedly mounted on the bottom end of the crushing rod (3), and the lower surface of the cleaning brush (32) is in contact with the upper surface of the filter plate (23).
3. A reaction device for dextrin production according to claim 1, characterized in that: The synchronous drive device (4) comprises a drive motor (41), two pulleys (42) and a transmission belt (43); an L-shaped fixing frame is fixedly installed between the drive motor (41) and the upper surface of the mixing barrel (1); the output shaft of the drive motor (41) is fixedly connected to the top end of the mixing rod (12); the two pulleys (42) are respectively sleeved on the upper end outer surfaces of the mixing rod (12) and the crushing rod (3); and the transmission belt (43) is sleeved between the two pulleys (42).
4. A reaction device for dextrin production according to claim 1, characterized in that: A vacuum connecting pipe (14) is fixedly mounted on the upper surface of the mixing barrel (1), and a sealing cover (24) is threadedly connected to the feed port of the feed chamber (21).
5. A reaction device for dextrin production according to claim 1, characterized in that: An interlayer (13) is provided in the mixing barrel (1), and a heating pipe body (131) is coiled and fixedly installed in the interlayer (13).