Multistage membrane separation device for phosphate production

Abstract

The utility model relates to the technical field of multi-stage membrane separation, and discloses a phosphate ester production multi-stage membrane separation device which comprises a table and a second separation tank, a first separation tank is arranged at the top of the table, a pre-separation mechanism is arranged in the first separation tank, a multi-stage membrane separation mechanism is arranged in the second separation tank, and a multi-stage membrane separation mechanism is arranged in the second separation tank. A feeding pipe is arranged at the top of the first separation tank, a discharging pipe is arranged on the right side of the second separation tank, the pre-separation mechanism comprises a mixing assembly and a separation assembly, and the separation assembly is arranged at the bottom of the mixing assembly. Raw materials for preparing phosphate ester are fully stirred in the table, accelerated reaction among the raw materials is accelerated, the preparation reaction rate is increased, the raw materials are filtered through the filter plate, the raw materials are primarily filtered, and the raw materials enter the first separation membrane and the second separation membrane to be separated after passing through the interior of the second separation tank; and the purpose of improving the separation effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of multi-stage membrane separation, in particular to a multi-stage membrane separation device for phosphate production. Background Art

[0002] Phosphate ester, also known as orthophosphate, is an ester derivative of phosphoric acid and belongs to a class of phosphoric acid derivatives. When producing it, multi-stage membrane separation devices are often used. The membrane separation process is an efficient and environmentally friendly separation process. It is a high-tech cross-disciplinary process. It can present a variety of characteristics and advantages in physical, chemical and biological properties.

[0003] The existing multi-stage membrane separation device for phosphate production uses a multi-stage membrane to separate phosphate esters during use. However, in actual use, during the preparation process of phosphate esters, impurities may also be contained in the raw materials. If the phosphate esters are separated only by the multi-stage membrane, the separation efficiency is not high and the extraction efficiency is low. Therefore, it is necessary to improve a multi-stage membrane separation device for phosphate ester production to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a multi-stage membrane separation device for producing phosphate esters to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a multi-stage membrane separation device for phosphate ester production, comprising a table and a second separation tank, a first separation tank is arranged on the top of the table, a pre-separation mechanism is arranged inside the first separation tank, a multi-stage membrane separation mechanism is arranged inside the second separation tank, a feed pipe is arranged on the top of the first separation tank, and a discharge pipe is arranged on the right side of the second separation tank;

[0006] The pre-separation mechanism comprises a mixing assembly and a separation assembly, and the separation assembly is arranged at the bottom of the mixing assembly.

[0007] Preferably, the mixing assembly includes a motor, which is fixedly installed on the top of the first separation tank, a stirring rod is fixedly installed on the output end of the motor, a scraper is fixedly installed on the bottom of the stirring rod, a fixed plate is fixedly installed inside the first separation tank, a feeding pipe is fixedly installed on the bottom of the first separation tank, a storage box is fixedly installed on the bottom of the feeding pipe, a pump is fixedly installed on the right side of the storage box, and a connecting pipe is fixedly installed on the right side of the pump, so as to accelerate the acceleration reaction between the raw materials and increase the preparation reaction rate.

[0008] Preferably, the scraper is rotatably mounted on the top of the fixed plate, the storage box and the pump are fixedly mounted via a suction pipe, and the end of the connecting pipe away from the pump is fixedly mounted on the top of the second separation tank, so that the raw materials for preparing phosphate ester are fully stirred inside the table.

[0009] Preferably, the separation component includes a mounting frame, the mounting frame is fixedly mounted on the bottom of the fixed plate, an electric push rod is rotatably mounted on the inner side of the mounting frame, a connecting rod one is rotatably mounted on the end of the electric push rod away from the mounting frame, a connecting rod two is rotatably mounted on the inner side of the mounting frame, a fixed block is rotatably mounted on the end of the connecting rod two away from the mounting frame, a flip plate is fixedly mounted on the inner side of the fixed block, a lower material bin is fixedly mounted on the bottom of the mounting frame, a filter plate is fixedly mounted on the bottom of the lower material bin, and a filtering operation is then performed through the filter plate to perform an initial filtering operation on the raw materials.

[0010] Preferably, the two ends of the connecting rod one are rotatably mounted on the fixed block and the mounting frame respectively, and the electric push rod, connecting rod one, connecting rod two and the fixed block are each provided with two groups, and are symmetrically distributed at the center line of the front of the flip plate, and the flip plate rotates to drop the completely mixed raw materials inside the table into the lower hopper.

[0011] Preferably, the multi-stage membrane separation mechanism includes a first separation membrane, the first separation membrane is slidably installed inside the second separation tank, the second separation tank has a second separation membrane slidably installed inside the second separation tank, a fixed frame is fixedly installed on the front side of the second separation tank, a spring one is fixedly installed inside the fixed frame, a sliding block one is fixedly installed on the end of the spring one away from the first separation membrane, a pull rod one is fixedly installed on the front side of the sliding block one, a spring two is fixedly installed inside the fixed frame, a sliding block two is fixedly installed on the end of the spring two away from the first separation membrane, a pull rod two is fixedly installed on the front side of the sliding block two, a plug-in frame one is fixedly installed on the front side of the first separation membrane, and a plug-in frame two is fixedly installed on the front side of the second separation membrane, so that the first separation membrane and the second separation membrane can be quickly installed and disassembled, and the first separation membrane and the second separation membrane can be replaced and cleaned conveniently.

[0012] Preferably, the sliding block 1 and the pull rod 1 are both slidably installed inside the fixed frame, the plug-in frame 1 and the plug-in frame 2 are respectively provided with slots with the sliding block 1 and the sliding block 2, and the sliding block 1 and the sliding block 2 are respectively plugged into the slots provided in the plug-in frame 1 and the sliding block 2, so that the first separation membrane and the second separation membrane are easy to replace.

[0013] Compared with the prior art, the utility model provides a multi-stage membrane separation device for phosphate ester production, which has the following beneficial effects:

[0014] 1. The multi-stage membrane separation device for phosphate ester production, through the pre-separation mechanism, during use, the raw materials for preparing phosphate ester are fully stirred inside the table, the acceleration reaction between the raw materials is accelerated, the preparation reaction rate is increased, the flip plate is flipped, and the flip plate rotates to drop the completely mixed raw materials inside the table into the lower hopper, and then filtered through the filter plate, the raw materials are initially filtered, and after passing through the second separation tank, they enter the first separation membrane and the second separation membrane for separation. Through multiple filtration and separation operations, the purpose of improving the separation effect is achieved.

[0015] 2. The phosphate ester production multi-stage membrane separation device has a multi-stage membrane separation mechanism. During use, the first separation membrane and the second separation membrane are removed, the first separation membrane and the second separation membrane are replaced, and the first separation membrane and the second separation membrane are quickly installed and disassembled, which facilitates the replacement and cleaning of the first separation membrane and the second separation membrane. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

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

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the pre-separation mechanism of the utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the hybrid component of the utility model;

[0020] Figure 4 This is a schematic diagram of the appearance structure of the separation component of the utility model;

[0021] Figure 5 This is a schematic diagram of the appearance structure of the multi-stage membrane separation mechanism of the utility model;

[0022] Figure 6 For this utility model Figure 5 Schematic diagram of the structure at point A in the middle.

[0023] In the figure: 1, table; 2, pre-separation mechanism; 21, mixing assembly; 211, motor; 212, stirring rod; 213, scraper; 214, fixed plate; 215, storage box; 216, pump; 217, connecting pipe; 218, feeding pipe; 22, separation assembly; 221, mounting frame; 222, electric push rod; 223, connecting rod 1; 224, connecting rod 2; 225, fixed block; 226, flip plate; 227. Feed bin; 228. Filter plate; 3. Multi-stage membrane separation mechanism; 31. First separation membrane; 32. Second separation membrane; 33. Fixed frame; 34. Spring 1; 35. Sliding block 1; 36. Pull rod 1; 37. Plug-in frame 1; 38. Spring 2; 39. Sliding block 2; 310. Plug-in frame 2; 311. Pull rod 2; 4. First separation tank; 5. Feed pipe; 6. Second separation tank; 7. Discharge pipe. DETAILED DESCRIPTION

[0024] 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.

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Embodiment 1

[0026] See also Figure 1-4 The utility model provides a technical solution: a multi-stage membrane separation device for phosphate ester production, comprising a table 1 and a second separation tank 6, a first separation tank 4 is arranged on the top of the table 1, a pre-separation mechanism 2 is arranged inside the first separation tank 4, a multi-stage membrane separation mechanism 3 is arranged inside the second separation tank 6, a feed pipe 5 is arranged on the top of the first separation tank 4, and a discharge pipe 7 is arranged on the right side of the second separation tank 6;

[0027] The pre-separation mechanism 2 includes a mixing assembly 21 and a separation assembly 22 , and the separation assembly 22 is arranged at the bottom of the mixing assembly 21 .

[0028] Furthermore, the mixing assembly 21 includes a motor 211, which is fixedly installed on the top of the first separation tank 4, a stirring rod 212 is fixedly installed on the output end of the motor 211, a scraper 213 is fixedly installed on the bottom of the stirring rod 212, a fixed plate 214 is fixedly installed inside the first separation tank 4, a discharge pipe 218 is fixedly installed on the bottom of the first separation tank 4, a storage box 215 is fixedly installed on the bottom of the discharge pipe 218, a pump 216 is fixedly installed on the right side of the storage box 215, and a connecting pipe 217 is fixedly installed on the right side of the pump 216, which accelerates the acceleration reaction between the raw materials and increases the preparation reaction rate.

[0029] Furthermore, the scraper 213 is rotatably mounted on the top of the fixed plate 214, the storage box 215 and the pump 216 are fixedly mounted via a suction pipe, and the end of the connecting pipe 217 away from the pump 216 is fixedly mounted on the top of the second separation tank 6, so that the raw materials for preparing the phosphate ester are fully stirred inside the table 1.

[0030] Furthermore, the separation component 22 includes a mounting frame 221, which is fixedly mounted on the bottom of the fixed plate 214, an electric push rod 222 is rotatably mounted on the inner side of the mounting frame 221, a connecting rod 1 223 is rotatably mounted on the end of the electric push rod 222 away from the mounting frame 221, a connecting rod 224 is rotatably mounted on the inner side of the mounting frame 221, a fixed block 225 is rotatably mounted on the end of the connecting rod 224 away from the mounting frame 221, a flip plate 226 is fixedly mounted on the inner side of the fixed block 225, a lower material bin 227 is fixedly mounted on the bottom of the mounting frame 221, a filter plate 228 is fixedly mounted on the bottom of the lower material bin 227, and a filtering operation is then performed through the filter plate 228 to perform an initial filtering operation on the raw materials.

[0031] Furthermore, the two ends of the connecting rod 223 are rotatably mounted on the fixed block 225 and the mounting frame 221 respectively. The electric push rod 222, the connecting rod 223, the connecting rod 224 and the fixed block 225 are each provided with two groups, and are symmetrically distributed on the front center line of the flip plate 226. The flip plate 226 rotates to drop the completely mixed raw materials inside the table 1 into the lower hopper 227. Embodiment 2

[0032] See also Figure 5-6, and combined with Example 1, it is further obtained that the multi-stage membrane separation mechanism 3 includes a first separation membrane 31, the first separation membrane 31 is slidably installed in the second separation tank 6, the second separation membrane 32 is slidably installed in the second separation tank 6, a fixed frame 33 is fixedly installed on the front of the second separation tank 6, a spring 34 is fixedly installed inside the fixed frame 33, a sliding block 35 is fixedly installed on the end of the spring 34 away from the first separation membrane 31, a pull rod 36 is fixedly installed on the front of the sliding block 35, a spring 2 38 is fixedly installed inside the fixed frame 33, a sliding block 2 39 is fixedly installed on the end of the spring 2 38 away from the first separation membrane 31, a pull rod 2 311 is fixedly installed on the front of the sliding block 2 39, a plug-in frame 1 37 is fixedly installed on the front of the first separation membrane 31, and a plug-in frame 2 310 is fixedly installed on the front of the second separation membrane 32, the first separation membrane 31 and the second separation membrane 32 are quickly installed and disassembled, and the first separation membrane 31 and the second separation membrane 32 are convenient to replace and clean.

[0033] Furthermore, the sliding block 1 35 and the pull rod 1 36 are both slidably installed inside the fixed frame 33, and the plug-in frame 1 37 and the plug-in frame 2 310 are respectively provided with slots with the sliding block 1 35 and the sliding block 2 39, and the sliding block 1 35 and the sliding block 2 39 are respectively plugged into the slots provided in the plug-in frame 1 37 and the sliding block 2 39, so that the first separation membrane 31 and the second separation membrane 32 are easy to replace.

[0034] In actual operation, when the device is used, the raw materials for preparing phosphate ester are put into the first separation tank 4 through the feed pipe 5, the motor 211 is started, and the output end of the motor 211 drives the stirring rod 212 to rotate. The stirring rod 212 rotates to fully stir the raw materials for preparing phosphate ester inside the table 1 to accelerate the acceleration reaction between the raw materials and increase the preparation reaction rate. The electric push rod 222 is started, and the output end of the electric push rod 222 pushes the connecting rod 223 to move. The connecting rod 223 moves and pushes the fixed block 225 to flip the flip plate 226. The flip plate 226 rotates to drop the fully mixed raw materials inside the table 1 into the lower hopper 227, and then passes through the filter plate 228 for filtering operation. The raw material is initially filtered, the stirring rod 212 rotates to drive the scraper 213 to rotate, and the scraper 213 rotates to scrape the fixed plate 214, and the raw material on the surface of the fixed plate 214 is hung into the lower bin 227, and the filtered raw material enters the storage box 215 through the lower pipe 218, and the pump 216 is started, and the pump 216 extracts the raw material in the storage box 215, passes through the second separation tank 6, and enters the first separation membrane 31 and the second separation membrane 32 for separation operation. Through multiple separations, the purpose of improving the separation effect is achieved, and the pull rod 1 36 and the pull rod 2 311 are pulled inward, and the sliding block 1 35 and the sliding block 2 39 are separated from the plug-in range of the plug-in frame 1 37 and the plug-in frame 2 310, and then the first separation membrane 31 and the second separation membrane 32 are removed, and the first separation membrane 31 and the second separation membrane 32 are replaced, and the first separation membrane 31 and the second separation membrane 32 are quickly installed and disassembled, so that the first separation membrane 31 and the second separation membrane 32 are convenient to replace and clean.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A multi-stage membrane separation device for producing phosphate esters, comprising a table (1) and a second separation tank (6), characterized in that: A first separation tank (4) is arranged on the top of the table (1), a pre-separation mechanism (2) is arranged inside the first separation tank (4), a multi-stage membrane separation mechanism (3) is arranged inside the second separation tank (6), a feed pipe (5) is arranged on the top of the first separation tank (4), and a discharge pipe (7) is arranged on the right side of the second separation tank (6); The pre-separation mechanism (2) comprises a mixing component (21) and a separation component (22), wherein the separation component (22) is arranged at the bottom of the mixing component (21); The separation assembly (22) comprises a mounting frame (221), the mounting frame (221) being fixedly mounted on the bottom of the fixed plate (214), an electric push rod (222) being rotatably mounted on the inner side of the mounting frame (221), a connecting rod 1 (223) being rotatably mounted on one end of the electric push rod (222) away from the mounting frame (221), a connecting rod 2 (224) being rotatably mounted on the inner side of the mounting frame (221), a fixing block (225) being rotatably mounted on one end of the connecting rod 2 (224) away from the mounting frame (221), a flip plate (226) being fixedly mounted on the inner side of the fixing block (225), a lower material bin (227) being fixedly mounted on the bottom of the mounting frame (221), and a filter plate (228) being fixedly mounted on the bottom of the lower material bin (227).

2. A multi-stage membrane separation device for producing phosphate ester according to claim 1, characterized in that: The mixing assembly (21) comprises a motor (211), the motor (211) being fixedly mounted on the top of the first separation tank (4), a stirring rod (212) being fixedly mounted on the output end of the motor (211), a scraper (213) being fixedly mounted on the bottom of the stirring rod (212), a fixing plate (214) being fixedly mounted inside the first separation tank (4), a feeding pipe (218) being fixedly mounted on the bottom of the first separation tank (4), a storage box (215) being fixedly mounted on the bottom of the feeding pipe (218), a pump (216) being fixedly mounted on the right side of the storage box (215), and a connecting pipe (217) being fixedly mounted on the right side of the pump (216).

3. A multi-stage membrane separation device for producing phosphate ester according to claim 2, characterized in that: The scraper (213) is rotatably mounted on the top of the fixed plate (214), the storage box (215) and the pump (216) are fixedly mounted via a suction pipe, and the end of the connecting pipe (217) away from the pump (216) is fixedly mounted on the top of the second separation tank (6).

4. A multi-stage membrane separation device for producing phosphate ester according to claim 1, characterized in that: The two ends of the connecting rod 1 (223) are rotatably mounted on the fixing block (225) and the mounting frame (221), respectively. The electric push rod (222), the connecting rod 1 (223), the connecting rod 2 (224) and the fixing block (225) are each provided in two groups and are symmetrically distributed at the center line of the front face of the flip plate (226).

5. A multi-stage membrane separation device for producing phosphate ester according to claim 1, characterized in that: The multi-stage membrane separation mechanism (3) comprises a first separation membrane (31), the first separation membrane (31) is slidably mounted inside a second separation tank (6), a second separation membrane (32) is slidably mounted inside the second separation tank (6), a fixing frame (33) is fixedly mounted on the front of the second separation tank (6), a spring 1 (34) is fixedly mounted inside the fixing frame (33), a sliding block 1 (35) is fixedly mounted on the end of the spring 1 (34) away from the first separation membrane (31), a pull rod 1 (36) is fixedly mounted on the front of the sliding block 1 (35), a spring 2 (38) is fixedly mounted inside the fixing frame (33), a sliding block 2 (39) is fixedly mounted on the end of the spring 2 (38) away from the first separation membrane (31), a pull rod 2 (311) is fixedly mounted on the front of the sliding block 2 (39), a plug-in frame 1 (37) is fixedly mounted on the front of the first separation membrane (31), and a plug-in frame 2 (310) is fixedly mounted on the front of the second separation membrane (32).

6. A multi-stage membrane separation device for producing phosphate ester according to claim 5, characterized in that: The sliding block 1 (35) and the pull rod 1 (36) are both slidably installed inside the fixed frame (33), and the plug-in frame 1 (37) and the plug-in frame 2 (310) are respectively provided with slots with the sliding block 1 (35) and the sliding block 2 (39), and the sliding block 1 (35) and the sliding block 2 (39) are respectively plugged into the slots provided in the plug-in frame 1 (37) and the sliding block 2 (39).

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