Crystallization equipment for glycine production

Abstract

The utility model provides crystallization equipment for glycine production, which belongs to the field of glycine production and processing equipment and comprises a precipitation barrel, a precipitation pipeline arranged below the precipitation barrel, a conveying pipeline connected to one side of the precipitation pipeline, filter cloth arranged at the other end of the conveying pipeline, and a stirring roller attached to the surface of the filter cloth. During use, a solution is poured into the precipitation barrel, the feeding pump is started, the feeding pump pumps a precipitant in the water storage tank through the feeding pipeline and adds the precipitant into the precipitation barrel, the stirring assembly is started to fuse the solvent and the precipitant, precipitation of impurities in the solvent is accelerated, and after standing is conducted for a period of time, the stirring roller is driven to rotate to drive the stirring roller to rotate. Impurities are precipitated at the bottom of the precipitation pipeline, the second butterfly valve is opened, so that the solvent is conveyed to the filter cloth through the conveying pipeline, and after the solution in the precipitation box is conveyed through the conveying pipeline, the first butterfly valve is opened, so that the impurities precipitated at the bottom of the precipitation pipeline are discharged.

Description

Technical Field

[0001] The utility model relates to the field of glycine production and processing equipment, in particular to crystallization equipment for glycine production. Background Art

[0002] With the rapid development of modern industry, the purity and quality requirements for glycine are becoming increasingly stringent. During the glycine crystallization process, while glycine can be precipitated from the solution in the form of crystals by controlling conditions such as temperature and concentration, the presence of impurities is unavoidable. These impurities may originate from the raw materials, the reaction process, or environmental factors. Failure to remove these impurities can severely impact the performance and application of glycine. Existing equipment typically uses precipitation to adsorb impurities from the solution before filtering. However, during the solution pouring process, dust or mechanical impurities may be mixed into the solution. Furthermore, particles precipitated by chemical agents may also be transported along with the solution onto the filter screen, causing impurities to clog the filter screen, resulting in poor filtration efficiency and negatively impacting work efficiency. Utility Model Content

[0003] In view of this, the utility model provides a crystallization device for glycine production, which can fuse the solvent and the precipitant through a stirring component to accelerate the precipitation of impurities in the solvent. After standing for a period of time, the impurities are precipitated at the bottom of the precipitation pipe, and then the output end of the driving motor drives the stirring roller to rotate on the filter cloth to scrape the solution on the filter cloth to prevent the impurities in the solution from clogging the filter holes on the filter cloth and to scrape the solution adhering to the filter cloth so that the solution can flow into the collection box better and faster.

[0004] In order to solve the above technical problems, the utility model provides a crystallization device for glycine production, including a sedimentation barrel, which is used to collect solution and allow impurities to precipitate after the solution is allowed to stand. A sedimentation pipe is provided under the sedimentation barrel, which is used to collect the precipitated impurities and deposit the precipitated impurities at the bottom of the sedimentation pipe. A conveying pipe is connected to one side of the sedimentation pipe, which is used to convey the precipitated solvent to the top of the filter cloth. A filter cloth is provided at the other end of the conveying pipe. The filter cloth is used to filter unfiltered impurities in the solvent to increase the purity of the solvent. A stirring roller is attached to the surface of the filter cloth. The stirring roller is used to scrape the solution on the filter cloth to prevent impurities in the solution condensed by chemicals from clogging the filter holes on the filter cloth and scraping the solution adhering to the filter cloth to make the solution flow into the collection box better and faster. A driving component for driving the stirring roller to rotate is provided above the filter cloth.

[0005] A water tank is provided on the other side of the sedimentation barrel, and the water tank is used to place the precipitant. A feeding pump is provided between the water tank and the sedimentation barrel, and the feeding pump is used to extract the precipitant in the water tank. A feeding pipe is provided on one side of the water tank, and the feeding pipe is used to transport the precipitant extracted by the feeding pump to the sedimentation barrel. One end of the feeding pipe passes through the feeding pump and is arranged in the sedimentation barrel.

[0006] A first butterfly valve is connected to the bottom of the sedimentation pipe, which is used to control the opening and closing of the bottom of the sedimentation pipe, so as to facilitate the discharge of impurities precipitated in the solvent. A second butterfly valve is connected to one end of the conveying pipe near the sedimentation pipe. The second butterfly valve is used to control the opening and closing of the conveying pipe, and the precipitated solvent is conveyed through the conveying pipe after the impurities are precipitated.

[0007] A collecting bucket is provided below the filter cloth, and the collecting bucket is used to filter the filtered solvent. The filter cloth is sleeved above the collecting bucket.

[0008] A bracket is provided on the outside of the collecting barrel, and the bracket is used to connect the support connecting plate. A connecting plate is connected to the bracket, and the connecting plate is used to support and fix the driving component. The driving component is connected to the connecting plate.

[0009] The driving assembly comprises a driving motor connected to the connecting plate, the driving motor drives the stirring roller to rotate, and the output end of the driving motor is connected to the stirring roller.

[0010] A stirring assembly is provided in the sedimentation barrel, and the stirring assembly is used to accelerate the fusion speed of the solvent and the precipitant. The delivery pipeline is obliquely connected to the sedimentation pipeline.

[0011] The beneficial effects of the above technical solution of the utility model are as follows:

[0012] 1. When the solution is transported to the filter cloth, start the drive motor. The output end of the drive motor drives the stirring roller to rotate on the filter cloth to scrape the solution on the filter cloth to prevent impurities in the solution from clogging the filter holes on the filter cloth and to scrape the solution adhering to the filter cloth so that the solution can flow into the collection box better and faster.

[0013] 2. Open the second butterfly valve to allow the solvent to be transported to the filter cloth through the delivery pipe. When the solution in the sedimentation tank is transported through the delivery pipe, open the first butterfly valve to discharge the impurities deposited at the bottom of the sedimentation pipe.

[0014] 3. Pour the solution into the sedimentation barrel and start the feeding pump. The feeding pump draws the precipitant in the water tank through the feeding pipe and adds it to the sedimentation barrel. Start the stirring component to merge the solvent and the precipitant to accelerate the precipitation of impurities in the solvent. After standing for a period of time, the impurities are precipitated at the bottom of the sedimentation pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1This is a schematic diagram of the main structure of a crystallization device for glycine production according to the present invention;

[0016] Figure 2 This is a left-side structural schematic diagram of the present utility model;

[0017] Figure 3 This is a schematic diagram of the top structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the cross-sectional structure of the present invention viewed from above along line AA.

[0019] Explanation of the accompanying reference numerals: 100, sedimentation barrel; 101, sedimentation pipe; 102, conveying pipe; 103, filter cloth; 104, stirring roller; 105, water tank; 106, feeding pump; 107, feeding pipe; 108, first butterfly valve; 109, second butterfly valve; 110, drive assembly; 111, drive motor; 112, bracket; 113, connecting plate; 114, stirring assembly; 115, collecting barrel. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the embodiment of the present invention clearer, the following will be combined with the appended drawings of the embodiment of the present invention. Figure 1-4 , clearly and completely describing the technical solutions of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field fall within the scope of protection of the present invention.

[0021] like Figure 1-4 As shown:

[0022] The present embodiment provides a crystallization device for glycine production, including a precipitation tank 100, which is used to collect a solution and allow the solution to stand for impurities to precipitate. A precipitation pipe 101 is provided below the precipitation tank 100, and the precipitation pipe 101 is used to collect the precipitated impurities so that the precipitated impurities are deposited at the bottom of the precipitation pipe 101. A delivery pipe 102 is connected to one side of the precipitation pipe 101, and the delivery pipe 102 is used to deliver the precipitated solvent to the top of the filter cloth 103. The other end of the delivery pipe 102 is provided with a filter cloth 103. The filter cloth 103 is used to filter the unfiltered impurities in the solvent to increase the purity of the solvent. A stirring roller 104 is attached to the surface of the filter cloth 103. The stirring roller 104 is used to scrape the filter cloth 103 to scrape the solution on the filter cloth 103 to prevent the impurities in the solution from clogging the filter holes on the filter cloth 103 and to scrape the solution adhering to the filter cloth 103 so that the solution can flow into the collection box better and faster. A driving component 110 is provided above the filter cloth 103 to drive the stirring roller 104 to rotate.

[0023] A water tank 105 is provided on the other side of the sedimentation barrel 100, and the water tank 105 is used to place the precipitant. A loading pump 106 is provided in the middle position between the water tank 105 and the sedimentation barrel 100. The loading pump 106 is used to extract the precipitant in the water tank 105. A loading pipe 107 is provided on one side of the water tank 105. The loading pipe 107 is used to transport the precipitant extracted by the loading pump 106 to the sedimentation barrel 100. One end of the loading pipe 107 passes through the loading pump 106 and is arranged in the sedimentation barrel 100.

[0024] A first butterfly valve 108 is connected to the bottom of the sedimentation pipe 101. The first butterfly valve 108 is used to control the opening and closing of the bottom of the sedimentation pipe 101, so as to facilitate the discharge of impurities precipitated in the solvent. The conveying pipe 102 is provided with a second butterfly valve 109 connected to one end near the sedimentation pipe 101. The second butterfly valve 109 is used to control the opening and closing of the conveying pipe 102. After the impurities are precipitated, the precipitated solvent is conveyed through the conveying pipe 102.

[0025] A collecting barrel 115 is provided below the filter cloth 103 . The collecting barrel 115 is used to filter the filtered solvent. The filter cloth 103 is sleeved on the collecting barrel 115 .

[0026] A bracket 112 is provided on the outside of the collection barrel 115, and the bracket 112 is fixed on the bottom surface. The bracket 112 is used to connect the support connecting plate 113, and the connecting plate 113 is located above the collection barrel 115. The bracket 112 is connected to a connecting plate 113, and the connecting plate 113 is used to support and fix the drive assembly 110. The drive assembly 110 is connected to the connecting plate 113.

[0027] The driving assembly 110 includes a driving motor 111 connected to a connecting plate 113 . The driving motor 111 drives the stirring roller 104 to rotate. An output end of the driving motor 111 is connected to the stirring roller 104 .

[0028] A stirring assembly 114 is provided in the sedimentation barrel 100 . The stirring assembly 114 is fixedly arranged above the sedimentation barrel 100 . The stirring assembly 114 is used to accelerate the fusion speed of the solvent and the precipitant. The delivery pipe 102 is obliquely connected to the sedimentation pipe 101 .

[0029] Working principle: When in use, first pour the solution into the sedimentation barrel 100, start the feeding pump 106, the feeding pump 106 extracts the precipitant in the water storage tank 105 through the feeding pipe 107 and adds it to the sedimentation barrel 100, start the stirring component 114 to make the solvent and the precipitant merge, accelerate the precipitation of impurities in the solvent, after standing for a period of time, the impurities are precipitated at the bottom of the sedimentation pipe 101, open the second butterfly valve 109, and let the solvent be transported to the filter cloth 103 through the delivery pipe 102. When the solution in the sedimentation tank passes through the filter cloth 103, the solvent is transported to the filter cloth 103. After the delivery in the delivery pipe 102 is completed, the first butterfly valve 108 is opened to discharge the impurities deposited at the bottom of the sedimentation pipe 101. When the solution is delivered to the filter cloth 103, the drive motor 111 is started. The output end of the drive motor 111 drives the stirring roller 104 to rotate on the filter cloth 103 to scrape the solution on the filter cloth 103 to prevent the impurities in the solution from clogging the filter holes on the filter cloth 103 and to scrape the solution adhering to the filter cloth 103 so that the solution can flow into the collection box better and faster.

[0030] Furthermore, it should be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0031] 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 described in the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A crystallization device for glycine production, characterized in that: The invention comprises a sedimentation barrel (100), a sedimentation pipe (101) is provided below the sedimentation barrel (100), a conveying pipe (102) is connected to one side of the sedimentation pipe (101), a filter cloth (103) is provided at the other end of the conveying pipe (102), a stirring roller (104) is attached to the surface of the filter cloth (103), and a driving assembly (110) for driving the stirring roller (104) to rotate is provided above the filter cloth (103).

2. The crystallization device for glycine production according to claim 1, wherein: A water storage tank (105) is provided on the other side of the sedimentation barrel (100), a feeding pump (106) is provided between the water storage tank (105) and the sedimentation barrel (100), a feeding pipe (107) is provided on one side of the water storage tank (105), and one end of the feeding pipe (107) passes through the feeding pump (106) and is provided in the sedimentation barrel (100).

3. The crystallization device for glycine production according to claim 2, wherein: The bottom of the sedimentation pipe (101) is connected to a first butterfly valve (108), and one end of the conveying pipe (102) close to the sedimentation pipe (101) is connected to a second butterfly valve (109).

4. The crystallization device for glycine production according to claim 3, wherein: A collecting bucket (115) is provided below the filter cloth (103), and the filter cloth (103) is sleeved above the collecting bucket (115).

5. The crystallization device for glycine production according to claim 4, wherein: A bracket (112) is provided on the outside of the collecting barrel (115), a connecting plate (113) is connected to the bracket (112), and the driving assembly (110) is connected to the connecting plate (113).

6. The crystallization device for glycine production according to claim 5, wherein: The driving assembly (110) comprises a driving motor (111) connected to the connecting plate (113), and an output end of the driving motor (111) is connected to the stirring roller (104).

7. A crystallization device for glycine production according to claim 6, characterized in that: A stirring assembly (114) is provided in the sedimentation barrel (100), and the delivery pipe (102) is obliquely connected to the sedimentation pipe (101).

Images