Heat-sensitive substance light component removal device

Abstract

The utility model relates to the technical field of light component removal equipment, and discloses a heat-sensitive substance light component removal device which comprises a preheater, and the output end of the preheater is fixedly connected with a first connecting pipe. When the equipment is used, materials are preheated and pressurized and then enter the light component removal tower in a negative pressure state, flash evaporation occurs due to pressure change, most of light components upwards pass through the packing layer and the built-in condenser and then enter the light component condenser, heavy components downwards flow into the heater tube nest, and a small amount of remaining light components are removed through heating evaporation; heavy components are discharged from the bottom of the light component removal tower, on one hand, a large amount of light components are removed at low temperature through flash evaporation, the retention time of materials in the heater is short, side reactions of heat-sensitive substances are reduced, the yield is improved, in addition, a filler layer on the upper portion of the light component removal tower accelerates heat exchange and promotes separation of the light components and the heavy components, and a built-in condenser adjusts backflow of the entrained heavy components; the light components are thoroughly removed, the purity is high, side reactions of heat-sensitive substances are few, the yield is high, and the purity of the light components is high.

Description

Technical Field

[0001] This utility model relates to the technical field of light-removal equipment, and more specifically to a device for removing light-removal of heat-sensitive substances. Background Technology

[0002] A device for removing light components from heat-sensitive substances is used to separate light components from heat-sensitive mixtures. Its aim is to efficiently separate light and heavy components while minimizing side reactions caused by heating. Heat-sensitive substances are highly sensitive to temperature, and the removal of light components requires minimizing the temperature and contact time with the heating medium. Traditional methods of removing light components mainly involve heating and evaporation using equipment such as evaporators, distillation columns, or falling film evaporators. These methods either result in excessively long residence times of the heat-sensitive substances in the system, increasing side reactions, or the removed light components contain a large amount of heat-sensitive substances with low purity; or the removal is incomplete, leaving the material with a significant amount of light components requiring secondary removal. When using evaporators, distillation columns, or falling film evaporators for heating and evaporation to remove light components, the excessively long residence time of the heat-sensitive substances in the system, and prolonged exposure to a heating environment, significantly increases the probability of side reactions. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, the present invention provides a device for removing light substances from heat-sensitive materials, so as to solve the problems existing in the background art.

[0004] This utility model provides the following technical solution: a device for removing light components from heat-sensitive substances, including a preheater, a first connecting pipe fixedly connected to the output end of the preheater, a pressure gauge fixedly installed on the surface of the first connecting pipe, a pressure regulating valve fixedly installed at the output end of the first connecting pipe, a second connecting pipe fixedly connected to the output end of the pressure regulating valve, a light component removal tower fixedly installed at the output end of the second connecting pipe, a heater, a feed distributor assembly, a conditioning layer and a built-in condenser sequentially installed inside the light component removal tower from bottom to top, a third connecting pipe fixedly connected to the top of the light component removal tower, a light component condenser installed at the end of the third connecting pipe away from the light component removal tower, a light component receiving tank installed at the output end of the light component condenser, and an output pipe fixedly connected to the bottom surface of the light component removal tower;

[0005] The feed distributor assembly includes a fixed base fixedly connected to the output end of the second connecting pipe. The fixed base has a feed chamber and a first material passage groove inside. The fixed base also has a first discharge groove inside, which communicates with the inside of the first material passage groove. A first nozzle is fixedly installed at equal intervals on the bottom of the fixed base. A sealing block is slidably connected to the inside of the feed chamber. A communicating groove is opened inside the sealing block. A sliding column is fixedly connected to the surface of the sealing block away from the first material passage groove. A sliding groove is opened inside the fixed base. A spring is movably installed inside the sliding groove. A second discharge groove and a second material passage groove are opened inside the fixed base. A second nozzle is fixedly installed at equal intervals on the bottom of the fixed base.

[0006] Furthermore, a sealing ring is fixedly sleeved on the outer surface of the sealing block, and the interior of the second connecting pipe is connected to the interior of the first discharge trough through the feeding chamber and the first material passage. The first discharge trough is annular, and the input end of the first nozzle is connected to the interior of the first discharge trough.

[0007] Furthermore, the connecting groove is L-shaped, the inside of the feed chamber is connected to the inside of the connecting groove, the conditioning layer is either wire mesh packing or plate corrugated packing, the pressure of the first connecting pipe is 3-6 MPa, the built-in condenser is a shell-and-tube condenser, the tube sheet of the built-in condenser is sealed to the inner wall of the light component removal tower, and the gaseous material enters the light component condenser from the shell and tube.

[0008] Furthermore, the second discharge trough is annular, the input end of the second nozzle is connected to the interior of the second discharge trough, and the second nozzle and the first nozzle are both arranged in annular and equidistant arrangement on the surface of the fixed base.

[0009] Furthermore, the width of the sliding column at the end away from the sealing block is greater than the width at the other end, and the outer surface of the sliding column away from the sealing block is slidably connected to the inside of the groove. Under normal conditions, the elasticity of the spring causes the sliding column to slide towards the first material passage groove.

[0010] Furthermore, one end of the connecting groove extends to the side of the sealing block, and the other end of the connecting groove extends to the bottom of the sealing block.

[0011] The technical effects and advantages of this utility model are as follows:

[0012] 1. In this invention, the material, after being preheated and pressurized, enters a light component removal tower under negative pressure. Due to the pressure change, flash evaporation occurs. Most of the light components rise upwards through the packing layer and the built-in condenser into the light component condenser, while the heavy components flow downwards into the heater tubes. The remaining small amount of light components is removed by heating and evaporation, and the heavy components are discharged from the bottom of the light component removal tower. On the one hand, flash evaporation removes a large amount of light components at low temperature, and the material has a short residence time in the heater, reducing side reactions of heat-sensitive substances and improving the yield. On the other hand, the packing layer at the top of the light component removal tower accelerates heat exchange and promotes the separation of light and heavy components. The built-in condenser regulates the reflux of the entrained heavy components, resulting in thorough removal of light components with high purity, fewer side reactions of heat-sensitive substances, high yield, and high purity of light components. It also has the advantages of being simple and easy to operate.

[0013] 2. In this utility model, by setting up a feed distributor assembly, when the output flow rate of the second connecting pipe is small, the material can only be sprayed out through the first nozzle. When the flow rate increases, it can drive the sealing block to slide, and the material can be sprayed out through the first nozzle and the second nozzle at the same time. This can avoid the problems of uneven spraying, dripping or poor atomization effect that occur when multiple nozzles are used at low flow rates. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a cross-sectional view of the feed distributor assembly in this utility model;

[0016] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0017] Figure 4 This is a schematic diagram of the sealing block in this utility model.

[0018] The attached figures are labeled as follows: 1. Preheater; 2. First connecting pipe; 21. Pressure gauge; 3. Pressure regulating valve; 4. Second connecting pipe; 5. Light component removal tower; 6. Heater; 7. Output pipe; 8. Feed distributor assembly; 81. Fixed base; 82. Feed chamber; 83. First material passage chute; 84. First discharge chute; 85. First nozzle; 86. Connecting groove; 87. Sealing block; 871. Sealing ring; 88. Sliding column; 89. Spring; 810. Slide groove; 811. Second discharge chute; 812. Second nozzle; 813. Second material passage chute; 9. Blending layer; 10. Built-in condenser; 11. Third connecting pipe; 12. Light component condenser; 13. Light component receiving tank. Detailed Implementation

[0019] The present invention will be further described below with reference to specific embodiments. However, those skilled in the art should understand that the detailed description given here with reference to the accompanying drawings is for better explanation. The structure of the present invention may exceed the limited embodiments described herein. Some equivalent alternatives or common means will not be described in detail here, but they still fall within the protection scope of this application.

[0020] Figures 1-4 This is the preferred embodiment of the present invention, which is described below in conjunction with the appendix. Figures 1-4 The present invention will be further described below.

[0021] Specifically, a device for removing light components from heat-sensitive substances includes a preheater 1. The output end of the preheater 1 is fixedly connected to a first connecting pipe 2. A pressure gauge 21 is fixedly installed on the surface of the first connecting pipe 2. A pressure regulating valve 3 is fixedly installed on the output end of the first connecting pipe 2. The output end of the pressure regulating valve 3 is fixedly connected to a second connecting pipe 4. A light component removal tower 5 is fixedly installed on the output end of the second connecting pipe 4. Inside the light component removal tower 5, from bottom to top, a heater 6, a feed distributor assembly 8, a conditioning layer 9, and a built-in condenser 10 are installed sequentially. A third connecting pipe 11 is fixedly connected to the top of the light component removal tower 5. A light component condenser 12 is installed at the end of the third connecting pipe 11 away from the light component removal tower 5. A light component receiving tank 13 is installed at the output end of the light component condenser 12. An output pipe 7 is fixedly connected to the bottom surface of the light component removal tower 5.

[0022] The feed distributor assembly 8 includes a fixed base 81 fixedly connected to the output end of the second connecting pipe 4. The fixed base 81 has a feed chamber 82 and a first feed channel 83 inside. The fixed base 81 has a first discharge channel 84 that communicates with the inside of the first feed channel 83 inside. The bottom of the fixed base 81 is fixedly mounted with a first nozzle 85 at equal intervals. The feed chamber 82 is slidably sealed with a sealing block 87 inside. The sealing block 87 has a connecting groove 86 inside. The surface of the sealing block 87 away from the first feed channel 83 is fixedly connected with a sliding column 88. The fixed base 81 has a sliding groove 810 inside. The sliding groove 810 is movably installed with a spring 89 inside. The fixed base 81 has a second discharge channel 811 and a second feed channel 813 inside. The bottom of the fixed base 81 is fixedly mounted with a second nozzle 812 at equal intervals.

[0023] In this embodiment, the material, after being preheated and pressurized, enters the light component removal tower 5 under negative pressure. Due to the pressure change, flash evaporation occurs. Most of the light components rise upward through the packing layer and the built-in condenser 10 into the light component condenser 12, while the heavy components flow downward into the tubes of the heater 6. The remaining small amount of light components is removed by heating and evaporation, and the heavy components are discharged from the bottom of the light component removal tower 5. On the one hand, flash evaporation removes a large amount of light components at low temperature, and the material has a short residence time in the heater 6, reducing the side reactions of heat-sensitive substances and improving the yield. On the other hand, the packing layer at the top of the light component removal tower 5 accelerates heat exchange and promotes the separation of light and heavy components. The built-in condenser 10 regulates the reflux of the entrained heavy components, making the removal of light components thorough, with high purity, few side reactions of heat-sensitive substances, high yield, and high purity of light components. It also has the advantages of being simple and easy to operate.

[0024] Specifically, a sealing ring 871 is fixedly sleeved on the outer surface of the sealing block 87, and the interior of the second connecting pipe 4 is connected to the interior of the first discharge groove 84 through the feed chamber 82 and the first feed groove 83. The first discharge groove 84 is annular, and the input end of the first nozzle 85 is connected to the interior of the first discharge groove 84.

[0025] In this embodiment, when the output flow rate of the second connecting pipe 4 is small, the material can only be sprayed out through the first nozzle 85. When the flow rate increases, it can drive the sealing block 87 to slide, and the material can be sprayed out through the first nozzle 85 and the second nozzle 812 at the same time, which can avoid the problems of uneven spraying, dripping or poor atomization effect that occur when multiple nozzles are used at low flow rates.

[0026] Specifically, the connecting channel 86 is L-shaped, the inside of the feed chamber 82 is connected to the inside of the connecting channel 86, the conditioning layer 9 is either wire mesh packing or plate corrugated packing, the pressure of the first connecting pipe 2 is 3-6 MPa, the built-in condenser 10 is a shell and tube condenser, the tube sheet of the built-in condenser 10 is sealed to the inner wall of the light component removal tower 5, and the gaseous material enters the light component condenser 12 from the shell and tube.

[0027] In this embodiment, due to the shape of the connecting groove 86, when the sealing block 87 slides and the connecting groove 86 intersects with the second material passage 813, the second material passage 813 is connected to the inside of the feeding chamber 82 through the connecting groove 86.

[0028] Specifically, the second discharge trough 811 is annular, the input end of the second nozzle 812 is connected to the interior of the second discharge trough 811, and the second nozzle 812 and the first nozzle 85 are both arranged in annular and equidistant arrangement on the surface of the fixed base 81.

[0029] In this embodiment, by arranging the second nozzle 812 and the first nozzle 85 in a ring, the material can be sprayed more evenly.

[0030] Specifically, the width of the sliding column 88 at the end away from the sealing block 87 is greater than the width at the other end, and the outer surface of the sliding column 88 away from the sealing block 87 is slidably connected to the inside of the slide groove 810. Under normal conditions, the sliding column 88 slides towards the first feed groove 83 through the elasticity of the spring 89.

[0031] In this embodiment, by setting a spring 89, when the internal pressure of the feed chamber 82 decreases, the spring 89 can drive the sealing block 87 to slide, thereby sealing the input end of the second feed groove 813.

[0032] Specifically, one end of the connecting groove 86 extends to the side of the sealing block 87, and the other end of the connecting groove 86 extends to the bottom of the sealing block 87.

[0033] In this embodiment, by providing a connecting groove 86, the connection between the feeding chamber 82 and the second conveying groove 813 can be achieved.

[0034] The working principle and usage process of this utility model are as follows: During use, the heat-sensitive material is heated to the required temperature in the preheater 1, and the pressure of the material in the preheater 1 is adjusted to 3-6 MPa by the pressure regulating valve 3. After the material enters the light component removal tower 5, it is sprayed out by the feed distributor assembly 8. Due to the negative pressure inside the light component removal tower 5, the material flashes under the action of a large pressure difference, and most of the light components are evaporated. The remaining material flows into the tubes of the heater 6. The remaining light components in the tubes are evaporated by heating, while the heavy components flow into the bottom of the light component removal tower 5 and are discharged through the output pipe 7. In the conditioning layer 9 at the top of the light component removal tower 5, the gas and liquid phases undergo efficient heat exchange. The liquefied light components are vaporized, and the vaporized heavy components are liquefied, which promotes the separation of the gas and liquid phases. The heavy components flow to the bottom of the tower, and the light components enter the built-in condenser 10 inside the light component removal tower 5 to further remove the heavy components entrained in the light components. The purified light components are condensed by the light component condenser 12 and flow into the light component receiving tank 13.

[0035] When the pressure regulating valve 3 adjusts the pressure of the material inside the preheater 1 to a higher value, the output flow of the second connecting pipe 4 is larger. The increased flow increases the pressure inside the material chamber 82 and drives the sealing block 87 to slide until the end face of the connecting groove 86 intersects with the top of the second material passage 813. The material can enter the second discharge trough 811 through the connecting groove 86 and the second material passage 813. At this time, the material can be sprayed out simultaneously through the first nozzle 85 and the second nozzle 812, which can avoid the problems of uneven spraying, dripping or poor atomization effect that occur when there are multiple nozzles with small flow.

[0036] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the disclosed technical content to create equivalent embodiments. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from its technical solution shall still fall within the protection scope of this utility model.

Claims

1. A device for the removal of light components from a heat-sensitive substance, comprising a preheater (1), characterised in that: The output end of the preheater (1) is fixedly connected with a first connecting pipe (2), a pressure gauge (21) is fixedly installed on the surface of the first connecting pipe (2), a pressure regulating valve (3) is fixedly installed on the output end of the first connecting pipe (2), the output end of the pressure regulating valve (3) is fixedly connected with a second connecting pipe (4), a light component tower (5) is fixedly installed on the output end of the second connecting pipe (4), a heater (6), a feed distributor assembly (8), a regulating layer (9) and an internal condenser (10) are sequentially installed in the light component tower (5) from bottom to top, a third connecting pipe (11) is fixedly connected to the top of the light component tower (5), a light component condenser (12) is installed on the end of the third connecting pipe (11) away from the light component tower (5), a light component receiving tank (13) is installed on the output end of the light component condenser (12), and an output pipe (7) is fixedly connected to the bottom surface of the light component tower (5); The feed distributor assembly (8) comprises a fixed seat (81) fixedly connected to the output end of the second connecting pipe (4), a feed cavity (82) and a first material passing groove (83) are formed in the fixed seat (81), a first material discharging groove (84) in communication with the first material passing groove (83) is formed in the fixed seat (81), first nozzles (85) are fixedly installed at equal intervals on the bottom of the fixed seat (81), a sealing block (87) is sealingly and slidably connected in the feed cavity (82), a communication groove (86) is formed in the sealing block (87), a sliding column (88) is fixedly connected to the surface of the sealing block (87) away from the first material passing groove (83), a sliding groove (810) is formed in the fixed seat (81), a spring (89) is movably installed in the sliding groove (810), a second material discharging groove (811) and a second material passing groove (813) are formed in the fixed seat (81), and second nozzles (812) are fixedly installed at equal intervals on the bottom of the fixed seat (81).

2. A device for removing light components from a heat-sensitive substance according to claim 1, characterized in that A sealing ring (871) is fixedly sleeved on the outer surface of the sealing block (87), the first material passing groove (83) and the first material discharging groove (84) are in communication with the interior of the second connecting pipe (4) through the feed cavity (82), the first material discharging groove (84) is annular, and the input end of the first nozzle (85) is in communication with the interior of the first material discharging groove (84).

3. The apparatus for removing light components from a heat-sensitive material according to claim 1, wherein: The communication groove (86) is "L"-shaped, the interior of the feed cavity (82) is in communication with the interior of the communication groove (86), the regulating layer (9) is any one of a wire mesh packing or a plate corrugated packing, the pressure of the first connecting pipe (2) is 3-6 MPa, the internal condenser (10) is a shell-and-tube condenser, the tube plate of the internal condenser (10) is in sealed connection with the inner wall of the light component tower (5), and the gas-phase material enters the light component condenser (12) from the tubes.

4. The apparatus for removing light components from a heat-sensitive material according to claim 1, wherein: The second discharge slot (811) is annular, the input end of the second spray head (812) is connected with the inside of the second discharge slot (811), and the second spray head (812) and the first spray head (85) are annular and equidistantly arranged on the surface of the fixed seat (81).

5. The apparatus for removing light components from a heat-sensitive material according to claim 1, wherein: The width of the sliding column (88) far from the sealing block (87) is greater than the width of the other end, and the outer surface of the sliding column (88) far from the sealing block (87) is slidingly connected in the inside of the sliding groove (810), and under normal circumstances, the elasticity of the spring (89) makes the sliding column (88) slide towards the first discharge slot (83).

6. The apparatus for removing light components from a heat-sensitive material according to claim 1, wherein: One end of the communication groove (86) extends to the side surface of the sealing block (87), and the other end of the communication groove (86) extends to the bottom of the sealing block (87).

Images