Rectification adsorption device

Abstract

The utility model discloses a rectification adsorption device which comprises a rectification tower, a reboiler and a condenser, the lower end of the rectification tower is connected with the reboiler through a flange, the condenser is connected with the rectification tower through a connecting pipe, a feeding pipe and an air inlet pipe are fixedly installed on the two sides of the rectification tower in a penetrating mode respectively, and the air inlet pipe is connected with the rectifying tower through a connecting pipe. Liquid feeding and gas feeding are carried out through the feeding pipe and the gas inlet pipe respectively, interphase heat and mass transfer is carried out on gas and liquid phases at the adsorption assembly through countercurrent contact, impurities flowing through the adsorption assembly are adsorbed and filtered through the adsorption layer on the adsorption plate, the adsorption layer is an activated carbon layer and is used for intercepting the impurities, and the impurities in the adsorption assembly can be adsorbed and filtered through the adsorption layer. The adsorption layers of the upper adsorption plate and the lower adsorption plate are sequentially arranged in a staggered manner, so that a gas phase and a liquid phase can be better contacted and combined, the rectification effect is improved, and the device has the characteristics of strong practicability and good finished product quality.

Description

TECHNICAL FIELD

[0001] The utility model relates to rectification technical field, concretely is a kind of rectification adsorption device. BACKGROUND

[0002] With the development and progress of chemical industry, people's extraction means of chemical raw materials are more and more rich. The rectification tower is a tower type vapor-liquid contact device for rectification, which is a device for realizing rapid separation of reaction products and reactants by using the principle of multiple partial gasification and partial condensation of liquid mixture and the volatility of each component.

[0003] The utility model with publication number CN220633042U discloses a rectification kettle, relates to distillation device technical field, including kettle body, kettle body top is equipped with gas outlet, kettle body is rotationally installed with funnel, funnel inner diameter gradually increases from top to bottom, the inner diameter of gas outlet is greater than the smallest outer diameter of funnel, the fixed mounting of funnel is equipped with support, the fixed mounting of support is equipped with sleeve rod, the sliding installation of sleeve rod is equipped with support frame, the fixed mounting of kettle body is equipped with liquid storage ring, the opening of liquid storage ring is equipped with liquid storage groove, the opening of liquid storage groove is equipped with a plurality of liquid outlet holes, however, the existing rectification kettle when using, raw materials are directly extracted into kettle body through feed pipe for rectification, more impurities are brought in during extraction process, directly affect rectification effect and product quality, make that the gas-liquid separated by rectification is not pure, therefore, it is very necessary to design a kind of rectification adsorption device with strong practicability and good product quality. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of rectification adsorption device to solve the problems raised in the above background.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a kind of rectification adsorption device, including rectification tower and reboiler and condenser, the lower end of the rectification tower is connected with the reboiler by flange, the condenser and the rectification tower are connected by connecting pipe, the rectification tower is fixedly installed with feed pipe and air inlet pipe respectively on both sides and penetrates, the feed pipe is located on the upper end of the air inlet pipe, the rectification tower is equipped with upper packing layer and lower packing layer, the upper packing layer is located on the upper end of the feed pipe, the lower packing layer is located between the feed pipe and the air inlet pipe, the rectification tower is equipped with gas outlet on the upper end, the rectification tower is equipped with adsorption assembly, the adsorption assembly is arranged between the feed pipe and the lower packing layer, the adsorption assembly includes fixed frame and adsorption plate, the fixed frame is hollow structure, the adsorption plate is symmetrically arranged in the fixed frame, arc-shaped flow-through port is uniformly arranged on the adsorption plate, adsorption layer is fixedly installed in the arc-shaped flow-through port, and the adsorption layers of the upper and lower adsorption plates are staggered.

[0006] According to the technical scheme, the fixed frame comprises a center ring, an oscillation ring, connecting rods and first springs, the center ring is fixedly installed in the rectifying tower, the oscillation ring is symmetrically arranged on the upper and lower ends of the center ring, the connecting rods are uniformly distributed between the oscillation rings, the connecting rods are throughly and movably installed in the center ring, the first springs are symmetrically sleeved on the connecting rods, one end of the first spring abuts against the center ring and the other end abuts against the oscillation ring.

[0007] According to the technical scheme, the adsorption plate is movably installed in the fixed frame through a detachable assembly, manholes are fixedly installed on both sides of the rectifying tower, the upper manhole is arranged between the adsorption assembly and the upper filler layer, and the lower manhole is arranged between the adsorption assembly and the lower filler layer.

[0008] According to the technical scheme, the detachable assembly comprises placing grooves, second springs, movable blocks and arc-shaped clamping joints, the placing grooves are uniformly formed in the inner wall of the oscillation ring, the second springs, the movable blocks and the arc-shaped clamping joints are sequentially fixedly installed in the placing grooves, the movable blocks are movably installed in the placing grooves through limiting assemblies, arc-shaped clamping grooves are uniformly formed in the inner wall of the oscillation ring, and the arc-shaped clamping joints are movably installed in the corresponding arc-shaped clamping grooves.

[0009] According to the technical scheme, the limiting assembly comprises limiting blocks and limiting grooves, the limiting blocks are symmetrically fixedly installed at both ends of the movable block, the limiting grooves are symmetrically formed at both ends of the placing groove, and the limiting block is movably installed in the corresponding limiting groove.

[0010] According to the technical scheme, the oscillation ring is provided with a positioning assembly, the positioning assembly comprises positioning blocks and positioning grooves, the positioning blocks are arranged between adjacent arc-shaped clamping grooves, the positioning blocks are arranged between the placing grooves, and the positioning block is movably installed in the corresponding positioning groove.

[0011] Compared with the prior art, the utility model has the advantages that: the utility model carries out liquid feeding and air feeding through the feeding pipe and the air inlet pipe respectively, the gas-liquid two phases contact reversely at the adsorption assembly, heat and mass transfer between phases are carried out, the impurities flowing through the adsorption layer on the adsorption plate are adsorbed and filtered, the adsorption layer is activated carbon layer, the impurities are intercepted, the purity is improved, the adsorption layers of the upper and lower adsorption plates are arranged staggeredly, the gas-liquid two phases can be contacted and combined better, the rectification effect is improved, the volatile components in the liquid phase enter the gas phase, the difficult volatile components in the gas phase enter the liquid phase, through the setting of the central ring, the oscillation ring, the connecting rod and the first spring, the oscillation ring can make the adsorption plate vibrate up and down along the connecting rod with the impact of the feeding liquid and the elasticity of the first spring, the collision between the gas-liquid two phases is increased, the adsorption layer can better play the adsorption filtering effect, the product quality is improved, the gas phase enters the rectification section above the feeding pipe, the liquid phase enters the rectification section below the feeding pipe, the upper and lower packing layers select structured packing, the structured packing has the characteristics of large specific surface, good wettability, small liquid holdup and small fluid resistance, and the liquid phase at the bottom of the tower is gasified through the reboiler, the vapor drawn from the top of the rectification tower is condensed through the condenser and is collected uniformly, the rectification tower is provided with a tower liquid outlet at the lower end, workers can enter the rectification tower through the upper manhole and the lower manhole, and the adsorption plate can be conveniently replaced, the adsorption plate is a plurality of prefabricated arc plates spliced together, the adsorption plate is welded in the rectification tower by a welder, and the adsorption plate is replaced, through the setting of the placing groove, the second spring, the movable block and the arc-shaped clamping joint, the adsorption plate can be conveniently disassembled and replaced without the aid of tools, through the setting of the limiting block and the limiting groove, the displacement of the movable block can be limited, the displacement of the movable block is prevented from being too large, the adsorption plate is difficult to butt joint and install, and the positioning assembly can better help the adsorption plate to butt joint and position. BRIEF DESCRIPTION OF DRAWINGS

[0012] The accompanying drawings are included to provide a further understanding of the present application and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and are used to explain the present application, and do not constitute a limitation on the present application. In the drawings:

[0013] Figure 1 is a front view of the present application;

[0014] Figure 2 is a top view of the placing groove of the present application;

[0015] Figure 3 is a top view of the positioning groove of the present application;

[0016] Figure 4 is a front view of the present application Figure 2 is an enlarged view of position A in the present application;

[0017] Figure 5 is a three-dimensional schematic view of the adsorption plate of the present application;

[0018] In the figure: 1 - rectifying tower, 2 - reboiler, 3 - condenser, 4 - feed pipe, 5 - air inlet pipe, 6 - upper packing layer, 7 - lower packing layer, 8 - air outlet, 9 - fixed frame, 901 - center ring, 902 - oscillation ring, 903 - connecting rod, 904 - first spring, 10 - adsorption plate, 11 - arc-shaped flow-through port, 12 - adsorption layer, 13 - detachable assembly, 1301 - placement groove, 1302 - second spring, 1303 - movable block, 1304 - arc-shaped clamping joint, 14 - manhole, 15 - lower manhole, 16 - limiting assembly, 1601 - limiting block, 1602 - limiting groove, 17 - arc-shaped clamping groove, 18 - positioning assembly, 1801 - positioning block, 1802 - positioning groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0020] Please refer to Figures 1-5The utility model provides technical scheme: a rectifying adsorption device, including rectifying tower 1 and reboiler 2 and condenser 3, the rectifying tower 1 lower end is connected with reboiler 2 through flange, the condenser 3 with rectifying tower 1 is connected through the connecting pipe, rectifying tower 1 both sides are fixedly installed respectively with feed pipe 4 and air inlet pipe 5 and pass, feed pipe 4 is located air inlet pipe 5 upper end, be equipped with upper packing layer 6 and lower packing layer 7 in rectifying tower 1, upper packing layer 6 is located feed pipe 4 upper end, lower packing layer 7 is located between feed pipe 4 with air inlet pipe 5, rectifying tower 1 upper end is equipped with air outlet 8, be equipped with adsorption subassembly in rectifying tower 1, adsorption subassembly sets up between feed pipe 4 with lower packing layer 7, adsorption subassembly includes fixed frame 9 and adsorption board 10, fixed frame 9 is hollow structure, adsorption board 10 is symmetrically set up in fixed frame 9, arc flow pass 11 is evenly set up on adsorption board 10, arc flow pass 11 is fixedly installed with adsorption layer 12, the adsorption layer 12 of upper adsorption board 10 is staggered in turn, the utility model discloses when using, carry in and air inlet through feed pipe 4 and air inlet pipe 5 respectively, gas-liquid two phases are contacted through countercurrent at adsorption subassembly, carry out phase heat and mass transfer, and carry out adsorption filtration to the impurity of flowing through adsorption layer 12 on adsorption board 10, adsorption layer 12 is activated carbon layer, carries out interception, improves the purity, the adsorption layer 12 of upper adsorption board 10 is staggered in turn, can make gas-liquid two phases better contact and combine, improves rectifying effect, the volatile component in liquid phase enters gas phase, the difficult volatile component in gas phase is transferred into liquid phase, gas phase enters the rectifying section above feed pipe 4, liquid phase enters the rectifying section below feed pipe 4, upper packing layer 6 and lower packing layer 7 select structured packing, it has the characteristics of big specific surface, good wettability, small liquid holdup and fluid resistance, and carry out gasification to the liquid phase at tower bottom through reboiler 2, the steam that is led out from tower top rectifying tower 1 is condensed and is collected uniformly through condenser 3, rectifying tower 1 lower end is equipped with tower liquid outlet.

[0021] Specifically, the fixed frame 9 comprises a center ring 901, an oscillation ring 902, a connecting rod 903 and a first spring 904, the center ring 901 is fixedly installed in the rectifying tower 1, the oscillation ring 902 is symmetrically arranged on the upper and lower ends of the center ring 901, the connecting rod 903 is uniformly distributed between the oscillation rings 902, the connecting rod 903 penetrates through the center ring 901 and is movably installed in the center ring 901, the first spring 904 is symmetrically sleeved on the connecting rod 903, one end of the first spring 904 abuts against the center ring 901 and the other end abuts against the oscillation ring 902, through the arrangement of the center ring 901, the oscillation ring 902, the connecting rod 903 and the first spring 904, the oscillation ring 902 can be made to vibrate up and down along the connecting rod 903 with the adsorption plate 10 under the impact of the feed liquid and the elastic force of the first spring 904, the collision between the gas and liquid phases is increased, the adsorption layer 12 can better play the role of adsorption and filtration, and the quality of the finished product is improved.

[0022] Specifically, the adsorption plate 10 is movably installed in the fixed frame 9 through a detachable assembly 13, upper manholes 14 and lower manholes 15 are fixedly installed on the two sides of the rectifying tower 1 respectively, the upper manholes 14 are arranged between the adsorption assembly and the upper filler layer 6, and the lower manholes 15 are arranged between the adsorption assembly and the lower filler layer 7, the adsorption plate 10 can be periodically disassembled and replaced through the detachable assembly 13, workers can enter the rectifying tower 1 through the upper manholes 14 and the lower manholes 15 to conveniently replace the adsorption plate 10, since the adsorption plate 10 is large in specification, the adsorption plate 10 is spliced from a plurality of prefabricated arc-shaped plates, and the adsorption plate 10 is replaced by welding in the rectifying tower 1;

[0023] Specifically, the detachable assembly 13 comprises a placing groove 1301, a second spring 1302, a movable block 1303 and an arc-shaped clamping joint 1304, the placing groove 1301 is uniformly formed in the inner wall of the oscillation ring 902, the second spring 1302, the movable block 1303 and the arc-shaped clamping joint 1304 are sequentially and fixedly installed in the placing groove 1301, the movable block 1303 is movably installed in the placing groove 1301 through a limiting assembly 16, arc-shaped clamping grooves 17 are uniformly formed in the inner wall of the oscillation ring 902, and the arc-shaped clamping joint 1304 is movably installed in the corresponding arc-shaped clamping groove 17, through the arrangement of the placing groove 1301, the second spring 1302, the movable block 1303 and the arc-shaped clamping joint 1304, the adsorption plate 10 can be conveniently disassembled and replaced without the aid of tools;

[0024] Specifically, the limiting assembly 16 comprises limiting blocks 1601 and limiting grooves 1602, the limiting blocks 1601 are symmetrically and fixedly installed at both ends of the movable block 1303, the limiting grooves 1602 are symmetrically and formed at both ends of the placing groove 1301, and the limiting block 1601 is movably installed in the corresponding limiting groove 1602. Through the limiting block 1601 and the limiting groove 1602, the displacement of the movable block 1303 can be limited, so that the displacement of the movable block 1303 is not too large, and the suction plate 10 is difficult to be butt-jointed and installed.

[0025] Specifically, the shock ring 902 is provided with a positioning assembly 18, the positioning assembly 18 comprises positioning blocks 1801 and positioning grooves 1802, the positioning blocks 1801 are arranged between adjacent arc-shaped clamping grooves 17, the positioning blocks 1801 are arranged between the placing grooves 1301, and the positioning block 1801 is movably installed in the corresponding positioning groove 1802. Through the positioning assembly 18, the suction plate 10 can be better butt-jointed and positioned.

[0026] Working principle: when the new type is used, liquid and gas are respectively introduced through the inlet pipe 4 and the gas inlet pipe 5, the gas-liquid two-phase is contacted by countercurrent in the adsorption assembly, the heat and mass transfer between phases are carried out, and the impurities flowing through the adsorption layer 12 on the adsorption plate 10 are adsorbed and filtered. The adsorption layer 12 is an activated carbon layer, which intercepts and improves the purity. The adsorption layers 12 on the upper and lower adsorption plates 10 are arranged in turn and staggered, which can make the gas-liquid two-phase better contact and combine, and improve the rectification effect. The volatile components in the liquid phase enter the gas phase, and the difficult volatile components in the gas phase enter the liquid phase. Through the setting of the center ring 901, the oscillation ring 902, the connecting rod 903 and the first spring 904, with the impact of the feed liquid and the elastic force of the first spring 904, the oscillation ring 902 can make the adsorption plate 10 vibrate up and down along the connecting rod 903, increase the collision between the gas-liquid two-phase, and make the adsorption layer 12 better play the role of adsorption and filtration, improve the product quality, and the gas phase enters the rectification section above the inlet pipe 4, and the liquid phase enters the rectification section below the inlet pipe 4. The upper and lower filler layers 6 and 7 are selected from structured packings, which have the characteristics of large specific surface, good wettability, small liquid holdup and small fluid resistance. The liquid phase at the bottom of the tower is gasified by the reboiler 2, the vapor drawn from the top of the rectification tower 1 is condensed by the condenser 3 and collected uniformly, the lower end of the rectification tower 1 is provided with a tower liquid outlet, workers can enter the rectification tower 1 through the upper manhole 14 and the lower manhole 15 to conveniently replace the adsorption plate 10. Since the adsorption plate 10 has a large size, the adsorption plate 10 is composed of a plurality of prefabricated arc-shaped plates, which are welded in the rectification tower 1, and then the adsorption plate 10 is replaced. Through the setting of the placing groove 1301, the second spring 1302, the movable block 1303 and the arc-shaped clamping joint 1304, the adsorption plate 10 can be conveniently disassembled and replaced without the aid of tools. Through the setting of the limiting block 1601 and the limiting groove 1602, the displacement of the movable block 1303 can be limited, so that the displacement of the movable block 1303 is not too large, which makes it difficult to butt joint and install the adsorption plate 10. The setting of the positioning assembly 18 can better help the butt joint and positioning of the adsorption plate 10.

[0027] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising" or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or equipment.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A rectisol adsorption plant comprising a rectification column (1) and a reboiler (2) and a condenser (3), characterized in that: The rectifying tower (1) is connected with the reboiler (2) through a flange at the lower end, connected with the condenser (3) through a connecting pipe, and fixedly installed with a feeding pipe (4) and an air inlet pipe (5) on both sides respectively, wherein the feeding pipe (4) is located at the upper end of the air inlet pipe (5), and the rectifying tower (1) is provided with an upper packing layer (6) and a lower packing layer (7), wherein the upper packing layer (6) is located at the upper end of the feeding pipe (4), and the lower packing layer (7) is located between the feeding pipe (4) and the air inlet pipe (5), and the rectifying tower (1) is provided with an air outlet (8) at the upper end, and the rectifying tower (1) is provided with an adsorption assembly, which is arranged between the feeding pipe (4) and the lower packing layer (7), and the adsorption assembly comprises a fixed frame (9) and an adsorption plate (10), wherein the fixed frame (9) is a hollow structure, the adsorption plate (10) is symmetrically arranged in the fixed frame (9) in an up-down manner, arc-shaped flow-through openings (11) are uniformly formed in the adsorption plate (10), and an adsorption layer (12) is fixedly installed in the arc-shaped flow-through opening (11).

2. A rectisol apparatus according to claim 1, characterised in that: The fixed frame (9) comprises a center ring (901), a shock ring (902), a connecting rod (903) and a first spring (904), the center ring (901) is fixedly installed in the rectifying tower (1), the shock ring (902) is symmetrically arranged at the upper and lower ends of the center ring (901), the connecting rods (903) are uniformly distributed between the shock rings (902), the connecting rods (903) are movably installed in the center ring (901), and the first springs (904) are symmetrically sleeved on the connecting rods (903), one end of the first spring (904) abuts against the center ring (901), and the other end abuts against the shock ring (902).

3. A rectisol apparatus according to claim 2, wherein: The adsorption plate (10) is movably installed in the fixed frame (9) through a detachable assembly (13), and an upper manhole (14) and a lower manhole (15) are fixedly installed on both sides of the rectifying tower (1) respectively, wherein the upper manhole (14) is arranged between the adsorption assembly and the upper packing layer (6), and the lower manhole (15) is arranged between the adsorption assembly and the lower packing layer (7).

4. A rectisol unit according to claim 3, wherein: Said detachable assembly (13) includes placement grooves (1301), second springs (1302), movable blocks (1303) and arc-shaped clamping joints (1304), the placement grooves (1301) are evenly arranged on the inner wall of the oscillation ring (902), the second springs (1302), the movable blocks (1303) and the arc-shaped clamping joints (1304) are sequentially and fixedly installed in the placement grooves (1301), the movable blocks (1303) are movably installed in the placement grooves (1301) through limiting assemblies (16), arc-shaped clamping grooves (17) are evenly arranged on the inner wall of the oscillation ring (902), and the arc-shaped clamping joints (1304) are movably installed in the corresponding arc-shaped clamping grooves (17).

5. A rectisol unit according to claim 4, characterised in that: Said limiting assemblies (16) include limiting blocks (1601) and limiting grooves (1602), the limiting blocks (1601) are symmetrically and fixedly installed at two ends of the movable blocks (1303), and the limiting grooves (1602) are symmetrically arranged at two ends of the placement grooves (1301); the limiting blocks (1601) are movably installed in the corresponding limiting grooves (1602).

6. A rectisol apparatus according to claim 5, wherein: Said oscillation ring (902) is internally provided with a positioning assembly (18), the positioning assembly (18) includes positioning blocks (1801) and positioning grooves (1802), the positioning blocks (1801) are arranged between adjacent arc-shaped clamping grooves (17), the positioning blocks (1801) are arranged between the placement grooves (1301), and the positioning blocks (1801) are movably installed in the corresponding positioning grooves (1802).

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