Device for preventing starch milk from precipitating

Abstract

The utility model relates to the technical field of functional sugar production and processing, in particular to a device for preventing starch milk from precipitating, which comprises a starch milk receiving tank, a starch milk size mixing tank, a starch milk liquefying front tank and a liquefying system which are sequentially connected. A size mixing tank airflow distribution plate is mounted at the bottom of the inner wall of the starch milk size mixing tank, a liquefaction front tank airflow distribution plate is mounted at the bottom of the inner wall of the starch milk liquefaction front tank, and the receiving tank airflow distribution plate, the size mixing tank airflow distribution plate and the liquefaction front tank airflow distribution plate are respectively connected with an air compressor with a standby power supply through pipelines. According to the utility model, the air compressor is used for conveying air into the airflow distribution disc, compressed air enters equipment filled with starch milk through the airflow distribution disc, the mixing effect of the starch milk is improved, and an emergency standby power supply attached to the air compressor can ensure that airflow in the distribution disc is continuous and prevent starch from precipitating during abnormal power failure.

Description

Technical Field

[0001] The utility model relates to the technical field of functional sugar production and processing, and particularly relates to a device for preventing starch milk from precipitating. Background Art

[0002] In the production of functional sugars, there are countless product types using starch as a raw material. Most of the process starches are dissolved to form starch milk and enter the product process. However, during the production process of starch milk, precipitation will occur. Existing processes mostly use stirring devices to avoid starch precipitation. However, once abnormal situations occur, the starch milk is extremely easy to precipitate, resulting in the inability to use equipment pipelines normally, and at the same time, it brings great losses of manpower and material resources to subsequent maintenance. Content of the Utility Model

[0003] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a device for preventing starch milk from precipitating to solve the problems put forward in the above background art.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions: The utility model provides a device for preventing starch milk from precipitating, which includes a starch milk receiving tank, a starch milk sizing tank, a pre-liquefaction tank for starch milk and a liquefaction system connected in sequence. A receiving tank air distribution plate is installed at the bottom of the inner wall of the starch milk receiving tank, a sizing tank air distribution plate is installed at the bottom of the inner wall of the starch milk sizing tank, and a pre-liquefaction tank air distribution plate is installed at the bottom of the inner wall of the pre-liquefaction tank for starch milk. The receiving tank air distribution plate, the sizing tank air distribution plate and the pre-liquefaction tank air distribution plate are respectively connected to an air compressor with a standby power supply through pipelines. A first centrifugal pump is arranged on the pipeline connecting the bottom liquid outlet of the starch milk receiving tank and the top liquid inlet of the starch milk sizing tank, and the bottom water outlet of the pure water tank is connected to the liquid inlet pipe of the starch milk sizing tank through a pipeline. A second centrifugal pump is arranged on the pipeline connecting the bottom liquid outlet of the starch milk sizing tank and the top liquid inlet of the pre-liquefaction tank for starch milk, and the bottom water outlet of the enzyme addition tank is connected to the liquid inlet pipe of the pre-liquefaction tank for starch milk through a pipeline. A third centrifugal pump is arranged on the pipeline connecting the bottom liquid outlet of the pre-liquefaction tank for starch milk and the liquid inlet of the liquefaction system. A starch milk receiving tank stirring device is installed in the starch milk receiving tank, a starch milk sizing tank stirring device is installed in the starch milk sizing tank, and a pre-liquefaction tank stirring device for starch milk is installed in the pre-liquefaction tank for starch milk.

[0005] Preferably, an air storage tank is connected to the air outlet of the air compressor, and the air outlet of the air storage tank is connected in parallel through pipelines to the air inlet of the receiving tank air distribution plate, the sizing tank air distribution plate and the pre-liquefaction tank air distribution plate.

[0006] Preferably, a mass flow meter and a first regulating valve are arranged on the connecting pipeline between the starch milk receiving tank and the pure water tank.

[0007] Preferably, an electromagnetic flowmeter and a second regulating valve are provided on the connecting pipeline between the starch milk sizing tank and the enzyme adding tank.

[0008] Preferably, a screw air compressor is selected as the air compressor.

[0009] Preferably, the first centrifugal pump, the second centrifugal pump and the third centrifugal pump are self-priming centrifugal pumps.

[0010] Preferably, an electric regulating valve is selected as the first regulating valve.

[0011] Preferably, an electric regulating valve is selected as the second regulating valve.

[0012] Preferably, the stirring devices of the starch milk receiving tank, the starch milk sizing tank and the pre-liquefaction starch milk tank are all tank stirrers, which include a motor fixed at the top end outside the tank body, the rotating shaft of the motor extends into the tank, and several layers of stirring blades are arranged on the rotating shaft.

[0013] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0014] The present utility model provides a device for preventing starch milk precipitation. The device uses an air compressor to transport gas into the air flow distribution plate, and the compressed air enters the equipment containing starch milk through the air flow distribution plate, improving the mixing effect of the starch milk. The emergency standby power supply attached to the air compressor can ensure the continuous air flow in the distribution plate during abnormal power outages, preventing starch precipitation. Description of the Drawings

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1 It is a structural schematic diagram of the present utility model;

[0017] In the figure, 1 is the starch milk receiving tank; 2 is the stirring device of the starch milk receiving tank; 3 is the air flow distribution plate of the receiving tank; 4 is the first centrifugal pump; 5 is the mass flowmeter; 6 is the first regulating valve; 7 is the pure water tank; 8 is the enzyme adding tank; 9 is the starch milk sizing tank; 10 is the stirring device of the starch milk sizing tank; 11 is the air flow distribution plate of the sizing tank; 12 is the second centrifugal pump; 13 is the starch milk pre-liquefaction tank; 14 is the stirring device of the starch milk pre-liquefaction tank; 15 is the air flow distribution plate of the pre-liquefaction tank; 16 is the third centrifugal pump; 17 is the liquefaction system; 18 is the compressed air storage tank; 19 is the air compressor; 20 is the electromagnetic flowmeter; 21 is the second regulating valve. Detailed implementation manners

[0018] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0019] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the present invention is not limited by the specific embodiments disclosed in the following specification.

[0020] The attached drawing shows a specific embodiment of the present utility model. This embodiment aims to provide a device for preventing starch milk precipitation, which includes a starch milk receiving tank 1, a starch milk sizing tank 9, a pre-liquefaction tank 13 for starch milk, and a liquefaction system 17 connected in sequence. The starch milk is processed sequentially to carry out subsequent reactions. A receiving tank air distribution plate 3 is installed at the bottom of the inner wall of the starch milk receiving tank 1, a sizing tank air distribution plate 11 is installed at the bottom of the inner wall of the starch milk sizing tank 9, and a pre-liquefaction tank air distribution plate 15 is installed at the bottom of the inner wall of the pre-liquefaction tank 13 for starch milk. The gas input through the air distribution plate assists in improving the stirring effect without affecting the stirring device. The receiving tank air distribution plate 3, the sizing tank air distribution plate 11, and the pre-liquefaction tank air distribution plate 15 are respectively connected to an air compressor 19 with a standby power supply through pipelines to prevent starch milk precipitation caused by abnormal power failure for a long time, etc. A first centrifugal pump 4 is provided on the pipeline connecting the liquid outlet at the bottom of the starch milk receiving tank 1 and the liquid inlet at the top of the starch milk sizing tank 9, and the water outlet at the bottom of the pure water tank 7 is connected to the liquid inlet pipe of the starch milk sizing tank 9 through a pipeline. The starch milk is pumped from the starch milk receiving tank 1 into the starch milk sizing tank 9 through the first centrifugal pump 4, and pure water is injected through the pure water tank 7 to adjust the concentration. A second centrifugal pump 12 is provided on the pipeline connecting the liquid outlet at the bottom of the starch milk sizing tank 9 and the liquid inlet at the top of the pre-liquefaction tank 13 for starch milk, and the water outlet at the bottom of the enzyme addition tank 8 is connected to the liquid inlet pipe of the pre-liquefaction tank 13 for starch milk through a pipeline. The starch milk is pumped from the starch milk sizing tank 9 into the pre-liquefaction tank 13 for starch milk through the second centrifugal pump 12, and enzyme preparations are added through the enzyme addition tank 8. A third centrifugal pump 16 is provided on the pipeline connecting the liquid outlet at the bottom of the pre-liquefaction tank 13 for starch milk and the liquid inlet of the liquefaction system 17. The starch milk is pumped from the pre-liquefaction tank 13 for starch milk into the liquefaction system 17 through the third centrifugal pump 16 for liquefaction. A starch milk receiving tank stirring device 2 is installed in the starch milk receiving tank 1, a starch milk sizing tank stirring device 10 is installed in the starch milk sizing tank 9, and a pre-liquefaction tank stirring device 14 for starch milk is installed in the pre-liquefaction tank 13 for starch milk. Regular stirring is achieved by setting the stirring device to increase the stirring intensity.

[0021] In order to better provide compressed gas and ensure the anti-precipitation effect, a compressed gas storage tank 18 is connected to the air outlet of the air compressor 19. The air outlet of the compressed gas storage tank 18 is connected in parallel through pipelines to the air inlet of the receiving tank air distribution plate 3, the sizing tank air distribution plate 11, and the pre-liquefaction tank air distribution plate 15.

[0022] In order to ensure the accuracy of the starch milk concentration, a mass flow meter 5 and a first regulating valve 6 are provided on the connecting pipeline between the starch milk receiving tank 1 and the pure water tank 7.

[0023] In order to ensure the stability of the product quality, an electromagnetic flow meter 20 and a second regulating valve 21 are provided on the connecting pipeline between the starch milk sizing tank 9 and the enzyme addition tank 8.

[0024] To ensure sufficient and unaffected exhaust volume, a screw air compressor is selected for the air compressor 19.

[0025] To ensure better operation of the device, self-priming centrifugal pumps are selected for the first centrifugal pump 4, the second centrifugal pump 12, and the third centrifugal pump 16.

[0026] To ensure better flow regulation, an electric control valve is selected for the first control valve 6.

[0027] To ensure better flow regulation, an electric control valve is selected for the second control valve 21.

[0028] To better stir the starch milk in the tank, the starch milk receiving tank stirring device 2, the starch milk sizing tank stirring device 10, and the starch milk pre-liquefaction tank stirring device 14 are all tank stirrers, which include a motor fixed at the top of the outside of the tank. The rotating shaft of the motor extends into the tank, and several layers of stirring blades are arranged on the rotating shaft.

[0029] In the normal state of the present utility model, the starch milk sequentially passes through the starch milk receiving tank 1, the starch milk sizing tank 9, the starch milk pre-liquefaction tank 13, and the liquefaction system 17. The starch milk therein is prepared through the pure water tank 7 and the enzyme addition tank 8 under the interlocking control of the control valve and the flow meter. The stirring device and the air distribution plate continuously stir to improve the mixing effect of the starch milk. When an abnormal power outage occurs, the air compressor 19 with a standby power supply still works to ensure that each air distribution plate can still output compressed gas, so that there is no precipitation phenomenon of the starch in each starch milk storage tank.

[0030] The above is only a preferred embodiment of the present utility model, and it is not a limitation to the present utility model in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present utility model, any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. An apparatus for preventing starch milk precipitation, comprising a starch milk receiving tank (1), a starch milk sizing tank (9), a pre-liquefaction tank for starch milk (13), and a liquefaction system (17) connected in sequence, characterized in that: At the bottom of the inner wall of the starch milk receiving tank (1), a receiving tank air flow distribution plate (3) is installed. At the bottom of the inner wall of the starch milk sizing tank (9), a sizing tank air flow distribution plate (11) is installed. At the bottom of the inner wall of the pre-liquefaction tank (13) for starch milk, a pre-liquefaction tank air flow distribution plate (15) is installed. The receiving tank air flow distribution plate (3), the sizing tank air flow distribution plate (11), and the pre-liquefaction tank air flow distribution plate (15) are respectively connected to an air compressor (19) with a standby power supply through pipelines. On the pipeline connecting the bottom liquid outlet of the starch milk receiving tank (1) and the top liquid inlet of the starch milk sizing tank (9), a first centrifugal pump (4) is provided. And the bottom water outlet of the pure water tank (7) is connected to the liquid inlet pipe of the starch milk sizing tank (9) through a pipeline. On the pipeline connecting the bottom liquid outlet of the starch milk sizing tank (9) and the top liquid inlet of the pre-liquefaction tank (13) for starch milk, a second centrifugal pump (12) is provided. And the bottom water outlet of the enzyme addition tank (8) is connected to the liquid inlet pipe of the pre-liquefaction tank (13) for starch milk through a pipeline. On the pipeline connecting the bottom liquid outlet of the pre-liquefaction tank (13) for starch milk and the liquid inlet of the liquefaction system (17), a third centrifugal pump (16) is provided. A starch milk receiving tank stirring device (2) is installed in the starch milk receiving tank (1). A starch milk sizing tank stirring device (10) is installed in the starch milk sizing tank (9). A starch milk pre-liquefaction tank stirring device (14) is installed in the pre-liquefaction tank (13) for starch milk.

2. The device for preventing starch milk precipitation according to claim 1, wherein: The air outlet of the air compressor (19) is connected to a compressed air storage tank (18). The air outlet of the compressed air storage tank (18) is connected in parallel through pipelines to the air inlet of the receiving tank air flow distribution plate (3), the sizing tank air flow distribution plate (11), and the pre-liquefaction tank air flow distribution plate (15).

3. The device for preventing starch milk precipitation according to claim 1, characterized in that: A mass flowmeter (5) and a first regulating valve (6) are provided on the connecting pipeline between the starch milk receiving tank (1) and the pure water tank (7).

4. The device for preventing starch milk precipitation according to claim 1, characterized in that: An electromagnetic flowmeter (20) and a second regulating valve (21) are provided on the connecting pipeline between the starch milk sizing tank (9) and the enzyme addition tank (8).

5. The device for preventing starch milk precipitation according to claim 1, characterized in that: The air compressor (19) is a screw air compressor.

6. The device for preventing starch milk precipitation according to claim 1, characterized in that: The first centrifugal pump (4), the second centrifugal pump (12), and the third centrifugal pump (16) are self-priming centrifugal pumps.

7. The device for preventing starch milk precipitation according to claim 3, characterized in that: The first regulating valve (6) is an electric regulating valve.

8. The device for preventing starch milk precipitation according to claim 4, wherein: The second regulating valve (21) is an electric regulating valve.

9. The device for preventing starch milk precipitation according to claim 1, characterized in that: The starch milk receiving tank stirring device (2), the starch milk sizing tank stirring device (10), and the starch milk pre-liquefaction tank stirring device (14) are all tank body stirrers, which include a motor fixed at the top end outside the tank body. The rotating shaft of the motor extends into the tank, and several layers of stirring blades are arranged on the rotating shaft.

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