Continuous flow production device for alkynol

Abstract

The invention discloses a continuous flow production device of alkynol. The continuous flow production device comprises an alkaline slurry feeding bin, an emulsification tank, an alkaline slurry plunger pump, a static mixer, an acetylene feeding bin, a dynamic reactor, a ketone plunger pump and a hydrolysis kettle, an outlet of the feeding bin is connected with an inlet of the emulsifying tank; an outlet of the emulsifying tank is connected with an inlet of the alkaline slurry plunger pump; an outlet of the plunger pump is connected with an inlet of the static mixer; an outlet of the acetylene feeding bin is connected with an inlet of the static mixer; an outlet of the static mixer is connected with an inlet of the dynamic reactor; an outlet of the ketone plunger pump is connected with an inlet of the dynamic reactor; the device disclosed by the invention has the beneficial effects that solid alkali and a solvent are sheared and emulsified by adopting the emulsifying tank, an alkaline slurry plunger pump is used for accurately feeding, acetylene gas and alkaline slurry are fully mixed through the static mixer and then enter the dynamic reactor together with ketone, so that the reaction is faster; the production process is continuously and hermetically carried out and is green and environment-friendly.

Description

Technical Field

[0001] The invention relates to the field of organic synthesis equipment, and in particular to a continuous flow production device for alkynols. Background Art

[0002] Alkynol surfactants are a class of excellent nonionic surfactants in water-based systems that can significantly reduce the surface tension of water. They are usually compounded with various solvents to form liquids for easy use. Functional alkynol epoxy derivatives can be synthesized using alkynol and ethylene oxide as raw materials, and silicone-modified alkynol ethers can be synthesized using alkynol ethers and hydrogen-containing siloxanes as raw materials. They are widely used as wetting agents and defoamers for water-based coatings to improve the uniformity and fluidity of coatings. They can also be used in dyes, pesticides, water-based inks and other fields, and are widely used.

[0003] At the same time, decynediol can be used to synthesize key materials for interface regulation in photovoltaic silicon wafer cutting, solving technical problems in the current silicon wafer cutting process, such as obvious line marks, excessive TTV, wire breakage, edge collapse, high roughness and warpage.

[0004] At present, there are many synthetic literatures and related patent reports on alkynols, most of which use strong bases as catalysts. At present, industrial production in China uses potassium hydroxide as a catalyst to react acetylene with ketones. The only difference is that the solvents used are slightly different. Some use ether as a solvent, and some use alkanes or alkylbenzenes as solvents. However, there are no reports on the use of continuous flow production. The biggest difficulty lies in the metering and transportation of potassium hydroxide solids, which makes it difficult to achieve uniform and stable feeding. If an intermittent kettle reactor is used, there are large amounts of solvents and potassium hydroxide, long reaction time, and the by-product potassium hydroxide solution cannot be reused after the product is hydrolyzed, and its reuse value as a by-product is too low. Acetylene is flammable and explosive, and has high dangerousness. In addition, the production capacity of kettle production is limited. Expansion requires the addition of more or larger reactors, which poses a great safety hazard. Summary of the invention

[0005] The purpose of the present invention is to overcome the above technical deficiencies, provide a continuous flow production device for acetylenic alcohols, and solve the technical problem that acetylenic alcohols cannot be produced continuously in the prior art.

[0006] In order to achieve the above technical purpose, the technical solution of the present invention provides a continuous flow production device for acetylenic alcohols, comprising an alkaline slurry feeding bin, wherein the alkaline slurry feeding bin is used to input alkaline slurry; An emulsification tank, wherein the outlet of the feeding bin is connected to the inlet of the emulsification tank; an alkaline slurry plunger pump, wherein the outlet of the emulsification tank is connected to the inlet of the alkaline slurry plunger pump; A static mixer, wherein the outlet of the plunger pump is connected to the inlet of the static mixer; An acetylene feeding bin, the outlet of which is connected to the inlet of the static mixer; A dynamic reactor, wherein the outlet of the static mixer is connected to the inlet of the dynamic reactor; a ketone plunger pump, wherein the inlet of the ketone plunger pump is connected to a ketone source, and the outlet of the ketone plunger pump is connected to the inlet of a dynamic reactor; and The outlet of the dynamic reactor is connected to the inlet of the hydrolysis kettle.

[0007] In some embodiments, the alkaline slurry feeding bin includes a solid alkali feeding bin, a weighing bin and a solvent plunger pump, the outlet of the solid alkali feeding bin is connected to the inlet of the weighing bin, the outlet of the weighing bin is connected to the inlet of the emulsification tank, the inlet of the solvent plunger pump is connected to the solvent source, and the outlet of the solvent plunger pump is connected to the inlet of the emulsification tank.

[0008] In some embodiments, the production device also includes a first valve, a colloid mill, a second valve and a third valve, the outlet of the emulsification tank is connected to the inlet of the first valve, the outlet of the first valve is connected to the inlet of the colloid mill, the outlet of the colloid mill is connected to the inlet of the second valve, the outlet of the second valve is connected to the inlet of the emulsification tank, the outlet of the colloid mill is also connected to the inlet of the third valve, and the outlet of the third valve is connected to the inlet of the alkaline slurry plunger pump.

[0009] In some embodiments, the production device also includes a filter tube, a coarse filter screen and a fine filter screen. The outlet of the alkaline slurry plunger pump is connected to the inlet of the filter tube, and the outlet of the filter tube is connected to the inlet of the static mixer. The coarse filter screen is arranged at the inlet of the filter tube, and the coarse filter screen is used to intercept impurities in the alkaline slurry. The fine filter screen is arranged at the outlet of the filter tube, and the fine filter screen is used to intercept crystals in the alkaline slurry.

[0010] In some embodiments, the production device further includes a drain pipe and a drain valve, the inlet of the filter tube is connected to the inlet of the drain pipe, and the outlet of the drain pipe is connected to the inlet of the drain valve.

[0011] In some embodiments, the production device further includes a cleaning mechanism, which includes an impeller and a brush body, wherein the impeller is rotatably connected to a fine filter, the brush body is connected to the impeller, and the brush body abuts against the fine filter.

[0012] In some embodiments, the production device also includes a reflux mechanism, which includes a reflux valve and a reflux pipe, the outlet of the filter tube is connected to the inlet of the reflux valve, the outlet of the reflux valve is connected to the inlet of the reflux pipe, and the outlet of the reflux pipe is connected to the inlet of the emulsification tank.

[0013] In some embodiments, the production device also includes a temperature control mechanism, which includes a refrigerant pipe, a refrigerant valve, a heat medium pipe, a heat medium valve, a liquid pump and an insulation pipe, the inlet of the refrigerant pipe is connected to a cold source, the outlet of the refrigerant pipe is connected to the inlet of the refrigerant valve, the inlet of the heat medium pipe is connected to a heat source, the outlet of the heat medium pipe is connected to the inlet of the heat medium valve, the outlet of the refrigerant valve is connected to the inlet of the liquid pump, the outlet of the heat medium valve is connected to the inlet of the liquid pump, the outlet of the liquid pump is connected to the inlet of the insulation pipe, and the insulation pipe surrounds the outside of the filter tube.

[0014] In some embodiments, the temperature control mechanism further includes an atomizer, the outlet of the liquid pump is connected to the inlet of the atomizer, and the outlet of the atomizer is connected to the inlet of the insulation tube.

[0015] In some embodiments, the insulation tube is provided with a plurality of diversion tubes, and the plurality of diversion tubes are arranged in a ring inside the insulation tube. The diversion tubes extend along the length direction of the insulation tube, and a plurality of spoilers are arranged inside the diversion tubes at intervals along the length direction of the diversion tubes. The spoilers cause the steam in the diversion tube away from the side of the filter tube to flow toward the side close to the filter tube.

[0016] Compared with the prior art, the beneficial effects of the present invention include: solid alkali and solvent are shear-emulsified by using an emulsification tank, alkaline slurry plunger pump is used for accurate feeding, acetylene gas and alkaline slurry are fully mixed by a static mixer, and then enter into a dynamic reactor with ketone, so that the reaction proceeds faster. At the same time, the entire production process is carried out continuously and closed, which is green and environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the production device provided by the present invention; Figure 2 It is a cross-sectional view of the overall structure of the filter tube, the cleaning mechanism, the reflux mechanism and the temperature control mechanism provided by the present invention; Figure 3 It is a cross-sectional view of the overall structure of the thermal insulation pipe provided by the present invention.

[0018] Description of reference numerals: 1. Alkaline slurry feeding bin; 11. Emulsification tank; 12. Alkaline slurry plunger pump; 13. Static mixer; 14. Solid alkali feeding bin; 15. Weighing bin; 16. Solvent plunger pump; 2. Acetylene feeding bin; 21. Dynamic reactor; 3. Ketone plunger pump; 31. Hydrolysis kettle; 4. First valve; 41. Colloid mill; 42. Second valve; 43. Third valve; 5. Filter tube; 51. Coarse Filter; 52. Fine filter; 53. Drain pipe; 54. Drain valve; 6. Cleaning mechanism; 61. Impeller; 62. Brush body; 7. Reflux mechanism; 71. Reflux valve; 72. Reflux pipe; 8. Temperature control mechanism; 81. Refrigerant pipe; 82. Refrigerant valve; 83. Heat medium pipe; 84. Heat medium valve; 85. Liquid pump; 86. Insulation pipe; 87. Atomizer; 88. Diverter pipe; 89. Spoiler. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0020] The present invention provides a continuous flow production device for acetylenic alcohols, the structure of which is as follows: Figure 1 - Figure 3 As shown, it includes an alkaline slurry feeding bin 1, an emulsification tank 11, an alkaline slurry plunger pump 12, a static mixer 13, an acetylene feeding bin 2, a dynamic reactor 21, a ketone plunger pump 3 and a hydrolysis kettle 31.

[0021] The alkaline slurry feeding bin 1 is used for inputting alkaline slurry.

[0022] The outlet of the feeding bin is connected to the inlet of the emulsification tank 11 .

[0023] The outlet of the emulsification tank 11 is connected to the inlet of the alkaline slurry plunger pump 12 .

[0024] The outlet of the plunger pump is connected to the inlet of the static mixer 13 .

[0025] The outlet of the acetylene feeding bin 2 is connected to the inlet of the static mixer 13 .

[0026] The outlet of the static mixer 13 is connected to the inlet of the dynamic reactor 21 .

[0027] The inlet of the ketone plunger pump 3 is connected to a ketone source, and the outlet of the ketone plunger pump 3 is connected to the inlet of the dynamic reactor 21 .

[0028] The outlet of the dynamic reactor 21 is connected to the inlet of the hydrolysis tank 31 .

[0029] When in use, the alkaline slurry is first added to the alkaline slurry feeding bin 1 and enters the emulsification tank 11 by gravity. In the emulsification tank 11, the alkaline slurry may be subjected to preliminary stirring, emulsification and other pretreatment operations to make its properties more uniform and stable, which is conducive to subsequent reactions. Then, the emulsified alkaline slurry is pressurized and transported to the static mixer 13 by the alkaline slurry plunger pump 12. The plunger pump can provide a stable and accurate flow rate to ensure that the alkaline slurry enters the next link at a suitable flow rate. Acetylene comes out of the acetylene feeding bin 2, and ketone is extracted and pressurized from the ketone source by the ketone plunger pump 3. Both enter the static mixer 13 together with the alkaline slurry from the static mixer 13. The static mixer 13 allows the three raw materials to be quickly preliminarily mixed during the flow process, and the different raw materials are fully broken up and evenly mixed together by continuous diversion, confluence, rotation, etc., but the degree of mixing and reaction at this time is relatively shallow, mainly to prepare for the subsequent reaction in the dynamic reactor 21. The raw materials preliminarily mixed by the static mixer 13 enter the dynamic reactor 21. The dynamic reactor 21 makes the reactants in a highly turbulent state in the reactor, further enhancing the mixing effect of the materials. In the dynamic reactor 21, the alkaline slurry, acetylene and ketone react chemically to generate alkynols. Due to the dynamic action in the reactor, the reactants can continuously update the contact interface, accelerate the reaction rate, and improve the conversion rate and selectivity of the reaction. The reaction product coming out of the dynamic reactor 21 enters the hydrolysis kettle 31. In the hydrolysis kettle 31, an appropriate amount of water or other hydrolyzing agent may be added to carry out a hydrolysis reaction, so that the reaction is further carried out in the direction of generating the target alkynol product, and the product is subjected to post-processing operations such as purification and refining, and finally an alkynol product that meets the requirements is obtained.

[0030] In the present invention, the solid alkali and the solvent are shear-emulsified by an emulsification tank 11, and the alkaline slurry plunger pump 12 is used for accurate feeding. After the acetylene gas and the alkaline slurry are fully mixed by a static mixer 13, they enter the dynamic reactor 21 with ketone to make the reaction proceed faster. At the same time, the entire production process is carried out continuously and closed, which is green and environmentally friendly.

[0031] To facilitate the input of solid base and solvent, please refer to Figure 1 In a preferred embodiment, the alkaline slurry feeding bin 1 includes a solid alkali feeding bin 14, a weighing bin 15 and a solvent plunger pump 16, the outlet of the solid alkali feeding bin 14 is connected to the inlet of the weighing bin 15, the outlet of the weighing bin 15 is connected to the inlet of the emulsification tank 11, the inlet of the solvent plunger pump 16 is connected to the solvent source, and the outlet of the solvent plunger pump 16 is connected to the inlet of the emulsification tank 11.

[0032] When in use, the solid alkali is first placed in the solid alkali feeding bin 14. When the alkaline slurry needs to be prepared, the solid alkali enters the weighing bin 15 from the outlet of the solid alkali feeding bin 14 by gravity. The weighing bin 15 can accurately measure the weight of the solid alkali entering therein in real time. Thus, the precise measurement of the amount of solid alkali added is achieved. The solvent plunger pump 16 extracts the solvent from the solvent source and pressurizes it to the emulsification tank 11. In the emulsification tank 11, the solvent and the solid alkali begin to mix.

[0033] To further enhance the emulsification effect, please refer to Figure 1 In a preferred embodiment, the production device also includes a first valve 4, a colloid mill 41, a second valve 42 and a third valve 43, the outlet of the emulsification tank 11 is connected to the inlet of the first valve 4, the outlet of the first valve 4 is connected to the inlet of the colloid mill 41, the outlet of the colloid mill 41 is connected to the inlet of the second valve 42, the outlet of the second valve 42 is connected to the inlet of the emulsification tank 11, the outlet of the colloid mill 41 is also connected to the inlet of the third valve 43, and the outlet of the third valve 43 is connected to the inlet of the alkaline slurry plunger pump 12.

[0034] When in use, after the alkaline slurry in the emulsification tank 11 is preliminarily mixed, the alkaline slurry enters the colloid mill 41 by opening the first valve 4. The colloid mill 41 is a device that can refine and homogenize materials. It grinds, shears and disperses the solid particles in the alkaline slurry through components such as high-speed rotating grinding discs or grinding rods. In this process, the larger particles in the alkaline slurry are broken into smaller particles, making its particle size distribution more uniform, and at the same time, the emulsification state and stability of the slurry can be further improved. The alkaline slurry after grinding by the colloid mill 41 flows out from the outlet of the colloid mill 41, and returns to the emulsification tank 11 by opening the second valve 42. The cycle process can be performed multiple times as needed, and the quality of the alkaline slurry is continuously optimized by repeated grinding and mixing. When the alkaline slurry is cyclically ground between the emulsification tank 11 and the colloid mill 41 and reaches the quality standard required by the production process, the second valve 42 is closed and the third valve 43 is opened. At this time, the alkaline slurry flows out from the outlet of the colloid mill 41 and enters the inlet of the alkaline slurry plunger pump 12 through the third valve 43 .

[0035] To improve the cleanliness of alkaline slurry, please refer to Figure 2In a preferred embodiment, the production device also includes a filter tube 5, a coarse filter screen 51 and a fine filter screen 52. The outlet of the alkaline slurry plunger pump 12 is connected to the inlet of the filter tube 5, and the outlet of the filter tube 5 is connected to the inlet of the static mixer 13. The coarse filter screen 51 is arranged at the inlet of the filter tube 5, and the coarse filter screen 51 is used to intercept impurities in the alkaline slurry. The fine filter screen 52 is arranged at the outlet of the filter tube 5, and the fine filter screen 52 is used to intercept crystals in the alkaline slurry.

[0036] When in use, when the alkaline slurry plunger pump 12 pumps the alkaline slurry into the filter tube 5, the alkaline slurry will first pass through the coarse filter 51 located at the entrance of the filter tube 5. The mesh of the coarse filter 51 is relatively large, and its main function is to intercept large particle impurities in the alkaline slurry, such as solid alkali blocks that are not completely dissolved and foreign matter that may be mixed in. The alkaline slurry filtered by the coarse filter 51 continues to flow toward the outlet in the filter tube 5, and then passes through the fine filter 52. The mesh of the fine filter 52 is small, and its purpose is to intercept crystallization in the alkaline slurry. During the preparation or storage of the alkaline slurry, some crystalline substances may be produced due to factors such as temperature changes and concentration changes.

[0037] To remove impurities, please refer to Figure 2 In a preferred embodiment, the production device further includes a drain pipe 53 and a drain valve 54 , the inlet of the filter tube 5 is connected to the inlet of the drain pipe 53 , and the outlet of the drain pipe 53 is connected to the inlet of the drain valve 54 .

[0038] When in use, when the alkaline slurry passes through the coarse filter 51 at the inlet of the filter tube 5, impurities are intercepted on the outside of the coarse filter 51. As the filtering process continues, the intercepted impurities will gradually accumulate. When it is necessary to clean the impurities, close the channel for the alkaline slurry to enter the filter tube 5, and then open the drain valve 54. Under the action of the pressure difference, the impurities accumulated on the outside of the coarse filter 51 will be discharged to the external collection container through the drain pipe 53. Thereby ensuring that the filtering function at the inlet of the filter tube 5 can be continuously and effectively performed.

[0039] To clean the fine filter 52, refer to Figure 2 In a preferred embodiment, the production device also includes a cleaning mechanism 6, which includes an impeller 61 and a brush body 62, wherein the impeller 61 is rotatably connected to the fine filter 52, the brush body 62 is connected to the impeller 61, and the brush body 62 abuts against the fine filter 52.

[0040] During use, when the alkaline slurry passes through the fine filter 52, the flow of the slurry will produce an impact force on the impeller 61. Since the impeller 61 is rotatably connected to the fine filter 52, the impeller 61 begins to rotate under the impelling force of the slurry flow. As the impeller 61 rotates, the brush body 62 connected to the impeller 61 also moves therewith. Since the brush body 62 is in contact with the fine filter 52, when the brush body 62 moves, it will clean the surface of the fine filter 52. The brush body 62 can remove impurities such as crystals accumulated on the fine filter 52. These crystals may gradually clog the mesh of the fine filter 52, affecting the filtering effect of the alkaline slurry. The cleaning action of the brush body 62 can brush these crystals off the mesh surface to prevent them from accumulating too much and causing the fine filter 52 to be clogged.

[0041] To reprocess the crystal, please refer to Figure 2 In a preferred embodiment, the production device also includes a reflux mechanism 7, which includes a reflux valve 71 and a reflux pipe 72, the outlet of the filter tube 5 is connected to the inlet of the reflux valve 71, the outlet of the reflux valve 71 is connected to the inlet of the reflux pipe 72, and the outlet of the reflux pipe 72 is connected to the inlet of the emulsification tank 11.

[0042] During use, when the crystals accumulated at the fine filter 52 need to be processed again, the reflux will be triggered. When the reflux valve 71 is opened, the alkaline slurry flowing out of the outlet of the filter tube 5 enters the reflux pipe 72 under the action of the pressure difference. The reflux pipe 72 transports these alkaline slurries back to the entrance of the emulsification tank 11. The alkaline slurry returned to the emulsification tank 11 can participate in the emulsification, grinding, filtration and other processes again. Then, it is filtered again through the filter tube 5. Through this circulation reflux method, the quality of the alkaline slurry is continuously improved until it meets the quality requirements for entering the static mixer 13, thereby ensuring the stability of the entire alkynol continuous flow production process and the consistency of product quality.

[0043] To control the temperature of the alkaline slurry, please refer to Figure 2 In a preferred embodiment, the production device also includes a temperature control mechanism 8, which includes a refrigerant pipe 81, a refrigerant valve 82, a heat medium pipe 83, a heat medium valve 84, a liquid pump 85 and an insulation pipe 86. The inlet of the refrigerant pipe 81 is connected to a cold source, the outlet of the refrigerant pipe 81 is connected to the inlet of the refrigerant valve 82, the inlet of the heat medium pipe 83 is connected to a heat source, the outlet of the heat medium pipe 83 is connected to the inlet of the heat medium valve 84, the outlet of the refrigerant valve 82 is connected to the inlet of the liquid pump 85, the outlet of the heat medium valve 84 is connected to the inlet of the liquid pump 85, the outlet of the liquid pump 85 is connected to the inlet of the insulation pipe 86, and the insulation pipe 86 surrounds the outside of the filter tube 5.

[0044] When in use, when it is necessary to lower the temperature of the alkaline slurry in the filter tube 5, the refrigerant valve 82 is opened and the heat medium valve 84 is closed. The refrigerant flows from the cold source into the refrigerant pipe 81 and then enters the liquid pump 85. The liquid pump 85 pressurizes the refrigerant so that it has enough power to circulate in the insulation pipe 86. The pressurized refrigerant flows around the filter tube 5 in the insulation pipe 86, absorbing the heat of the alkaline slurry in the filter tube 5, thereby lowering the temperature of the alkaline slurry. When it is necessary to increase the temperature of the alkaline slurry in the filter tube 5, the heat medium valve 84 is opened and the refrigerant valve 82 is closed. The heat medium flows from the heat source into the heat medium pipe 83, then enters the liquid pump 85 to be pressurized, and then circulates in the insulation pipe 86. During the flow process, the heat medium transfers heat to the alkaline slurry in the filter tube 5 through the wall of the insulation pipe 86, thereby increasing the temperature of the alkaline slurry. Precise temperature control and stabilization mechanism are of great significance for ensuring the stability of the physical and chemical properties of the alkaline slurry, improving the repeatability of the production process and the consistency of product quality. It avoids problems such as unstable reaction rate and abnormal crystallization caused by temperature fluctuations, and provides a reliable temperature environment guarantee for the continuous flow production of acetylenic alcohols.

[0045] To improve the efficiency of heat exchange, please refer to Figure 2 In a preferred embodiment, the temperature control mechanism 8 also includes an atomizer 87 , the outlet of the liquid pump 85 is connected to the inlet of the atomizer 87 , and the outlet of the atomizer 87 is connected to the inlet of the insulation tube 86 .

[0046] When in use, when the liquid pump 85 delivers the refrigerant or the heat medium to the atomizer 87, the atomizer 87 disperses the liquid into tiny droplets. After the atomized tiny droplets enter the insulation tube 86, due to their small particle size and large specific surface area, the contact area with the inner wall of the insulation tube 86 and the surrounding air is greatly increased. When these droplets flow along the insulation tube 86, they can more efficiently exchange heat with the tube wall. Compared with the unatomized liquid, the droplets can absorb or release heat faster, thereby enhancing the temperature regulation effect on the alkaline slurry in the filter tube 5.

[0047] To further improve the efficiency of heat exchange, please refer to Figure 3 In a preferred embodiment, the insulation tube 86 is provided with a plurality of shunt tubes 88, and the plurality of shunt tubes 88 are arranged in a ring inside the insulation tube 86. The shunt tubes 88 extend along the length direction of the insulation tube 86, and a plurality of spoilers are arranged inside the shunt tube 88 at intervals along the length direction of the shunt tube 88. The spoilers cause the steam in the shunt tube 88 away from the side of the filter tube 5 to flow toward the side close to the filter tube 5.

[0048] When in use, the multiple shunt pipes 88 provided in the insulation pipe 86 can preliminarily shunt the steam so that the steam can be distributed more evenly in different areas of the insulation pipe 86. Each shunt pipe 88 is like a small channel, guiding the steam to extend along the length direction of the insulation pipe 86, avoiding the local accumulation of steam, so as to more comprehensively cover the outer surface of the filter tube 5. Steam can be continuously supplied to various parts of the insulation pipe 86 along the length direction of the shunt pipe 88. This helps to ensure that there is enough medium to heat or cool the alkaline slurry in the filter tube 5 throughout the entire length of the insulation pipe 86, prevent the local temperature of the filter tube 5 from being too high or too low due to uneven steam distribution, and ensure that the alkaline slurry can be stably temperature-regulated at various positions in the process of flowing through the filter tube 5.

[0049] In order to better understand the present invention, the following Figure 1 - Figure 3 The working principle of the continuous flow production device of acetylene alcohol in the technical solution of the present invention is described in detail: the alkaline slurry is first added to the alkaline slurry feeding bin 1 and enters the emulsification tank 11 by gravity. In the emulsification tank 11, the alkaline slurry may be subjected to preliminary stirring, emulsification and other pretreatment operations to make its properties more uniform and stable, which is conducive to subsequent reactions. Then, the emulsified alkaline slurry is pressurized and transported to the static mixer 13 by the alkaline slurry plunger pump 12. The plunger pump can provide a stable and accurate flow rate to ensure that the alkaline slurry enters the next link at a suitable flow rate. Acetylene comes out of the acetylene feeding bin 2, and ketone is extracted and pressurized from the ketone source by the ketone plunger pump 3, and both enter the static mixer 13 together with the alkaline slurry from the static mixer 13. The static mixer 13 allows the three raw materials to be preliminarily mixed quickly during the flow process. By continuously dividing, converging, rotating, etc., the different raw materials are fully broken up and evenly mixed together, but the mixing degree and reaction degree at this time are relatively shallow, mainly to prepare for the subsequent reaction in the dynamic reactor 21. The raw materials preliminarily mixed by the static mixer 13 enter the dynamic reactor 21. The dynamic reactor 21 allows the reactants to be in a highly turbulent state in the reactor, further strengthening the mixing effect of the materials. In the dynamic reactor 21, the alkaline slurry, acetylene and ketone react chemically to generate alkynols. Due to the dynamic action in the reactor, the reactants can continuously update the contact interface, accelerate the reaction rate, and improve the conversion rate and selectivity of the reaction. The reaction product coming out of the dynamic reactor 21 enters the hydrolysis kettle 31. In the hydrolysis kettle 31, an appropriate amount of water or other hydrolyzing agent may be added to carry out a hydrolysis reaction, so that the reaction is further carried out in the direction of generating the target alkynol product, and the product is purified, refined and other post-processing operations are performed to finally obtain an alkynol product that meets the requirements.

[0050] The specific implementation of the present invention described above does not constitute a limitation on the protection scope of the present invention. Any other corresponding changes and modifications made based on the technical concept of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A continuous flow production device for alkynols, characterized in that: include: An alkaline slurry feeding bin, wherein the alkaline slurry feeding bin is used to input alkaline slurry; An emulsification tank, wherein the outlet of the feeding bin is connected to the inlet of the emulsification tank; an alkaline slurry plunger pump, wherein the outlet of the emulsification tank is connected to the inlet of the alkaline slurry plunger pump; A static mixer, wherein the outlet of the plunger pump is connected to the inlet of the static mixer; An acetylene feeding bin, the outlet of which is connected to the inlet of the static mixer; A dynamic reactor, wherein the outlet of the static mixer is connected to the inlet of the dynamic reactor; a ketone plunger pump, wherein the inlet of the ketone plunger pump is connected to a ketone source, and the outlet of the ketone plunger pump is connected to the inlet of a dynamic reactor; and The outlet of the dynamic reactor is connected to the inlet of the hydrolysis kettle.

2. A continuous flow production device for alkynols according to claim 1, characterized in that: The alkaline slurry feeding bin includes a solid alkali feeding bin, a weighing bin and a solvent plunger pump. The outlet of the solid alkali feeding bin is connected to the inlet of the weighing bin, the outlet of the weighing bin is connected to the inlet of the emulsification tank, the inlet of the solvent plunger pump is connected to the solvent source, and the outlet of the solvent plunger pump is connected to the inlet of the emulsification tank.

3. A continuous flow production device for alkynols according to claim 1, characterized in that: The production device also includes a first valve, a colloid mill, a second valve and a third valve. The outlet of the emulsification tank is connected to the inlet of the first valve, the outlet of the first valve is connected to the inlet of the colloid mill, the outlet of the colloid mill is connected to the inlet of the second valve, the outlet of the second valve is connected to the inlet of the emulsification tank, the outlet of the colloid mill is also connected to the inlet of the third valve, and the outlet of the third valve is connected to the inlet of the alkaline slurry plunger pump.

4. A continuous flow production device for alkynols according to claim 1, characterized in that: The production device also includes a filter tube, a coarse filter and a fine filter. The outlet of the alkaline slurry plunger pump is connected to the inlet of the filter tube, and the outlet of the filter tube is connected to the inlet of the static mixer. The coarse filter is arranged at the inlet of the filter tube, and the coarse filter is used to intercept impurities in the alkaline slurry. The fine filter is arranged at the outlet of the filter tube, and the fine filter is used to intercept crystals in the alkaline slurry.

5. A continuous flow production device for alkynols according to claim 4, characterized in that: The production device also includes a sewage pipe and a sewage valve. The inlet of the filter tube is connected to the inlet of the sewage pipe, and the outlet of the sewage pipe is connected to the inlet of the sewage valve.

6. A continuous flow production device for alkynols according to claim 4, characterized in that: The production device also includes a cleaning mechanism, which includes an impeller and a brush body. The impeller is rotatably connected to the fine filter screen, and the brush body is connected to the impeller, and the brush body abuts against the fine filter screen.

7. A continuous flow production device for alkynols according to claim 4, characterized in that: The production device also includes a reflux mechanism, which includes a reflux valve and a reflux pipe. The outlet of the filter tube is connected to the inlet of the reflux valve, the outlet of the reflux valve is connected to the inlet of the reflux pipe, and the outlet of the reflux pipe is connected to the inlet of the emulsification tank.

8. A continuous flow production device for alkynols according to claim 4, characterized in that: The production device also includes a temperature control mechanism, which includes a refrigerant pipe, a refrigerant valve, a heat medium pipe, a heat medium valve, a liquid pump and an insulation pipe. The inlet of the refrigerant pipe is connected to a cold source, the outlet of the refrigerant pipe is connected to the inlet of the refrigerant valve, the inlet of the heat medium pipe is connected to a heat source, the outlet of the heat medium pipe is connected to the inlet of the heat medium valve, the outlet of the refrigerant valve is connected to the inlet of the liquid pump, the outlet of the heat medium valve is connected to the inlet of the liquid pump, the outlet of the liquid pump is connected to the inlet of the insulation pipe, and the insulation pipe surrounds the outside of the filter tube.

9. A continuous flow production device for alkynols according to claim 8, characterized in that: The temperature control mechanism also includes an atomizer, the outlet of the liquid pump is connected to the inlet of the atomizer, and the outlet of the atomizer is connected to the inlet of the insulation pipe.

10. The continuous flow production device for alkynols according to claim 8, characterized in that: The insulation tube is provided with a plurality of shunt tubes, which are arranged in a ring inside the insulation tube. The shunt tubes extend along the length direction of the insulation tube. A plurality of spoilers are arranged inside the shunt tubes at intervals along the length direction of the shunt tubes. The spoilers make the steam in the shunt tube away from the side of the filter tube flow toward the side close to the filter tube.

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