Adsorption tower for trapping bicyclic compound
By designing support components and a gear system within the adsorption tower to adjust the tray spacing, and combining this with cooling via cold gas delivery, the problem of dicyclopentadiene decomposition and condensation at high temperatures was solved, thus improving the yield.
Patent Information
- Application Number
- CN202422840101.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-21
AI Technical Summary
Dicyclopentadiene is easily decomposed and polycondensed at high temperatures, resulting in a decrease in yield.
An adsorption tower for capturing bicyclic compounds was designed. By adjusting the spacing between the trays and the support components in the distillation tank, the material residence time is controlled using a gear and rotating ring system. Combined with cold gas conveying, the separation temperature is reduced, thereby increasing the yield.
By shortening the residence time of the material between the trays and lowering the separation temperature, the yield of dicyclopentadiene was significantly improved.
Smart Images

Figure CN223453970U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of bicyclic compound preparation, especially to a bicyclic compound trapping adsorption tower. BACKGROUND
[0002] Cyclopentadiene (CPD) is a highly active cyclic conjugated diene, which exists in the form of dimer bicyclo pentadiene at room temperature. Bicyclo pentadiene (DCPD) is an important chemical raw material. At present, the largest use of bicyclo pentadiene is to prepare hydrogenated high petroleum resin and to replace part of phthalic anhydride to produce unsaturated polyester, which is used to manufacture paint, coating, ink, pipeline, storage tank, sanitary ware, ship, corrosion-resistant equipment and the like. Bicyclo pentadiene can also be used to manufacture various special fine chemicals, such as high-energy fuel, pesticide, spice, curing agent, pharmaceutical intermediate.
[0003] Bicyclo pentadiene is enriched in a certain temperature range, which has a tendency to decompose into cyclopentadiene and condense into higher molecular weight polymers. The higher the temperature, the faster the reaction rate, and the decomposition and condensation reaction will reduce the yield of bicyclo pentadiene. CONTENT OF THE UTILITY MODEL
[0004] To solve the problem of decomposition and condensation reaction reducing the yield of bicyclo pentadiene in the background technology, the utility model provides the following technical scheme:
[0005] A bicyclic compound trapping adsorption tower, comprising an adsorption tower body;
[0006] The middle part of the adsorption tower body is provided with a rectifying box, a plurality of trays are installed in the rectifying box, a second support assembly is installed in the rectifying box, and a first support assembly for adjusting the spacing of the trays in cooperation with the second support assembly is symmetrically installed at the upper and lower ends of the second support assembly.
[0007] The rectifying box comprises a box body, and a gear for controlling the rotation of the second support assembly is installed in the box body.
[0008] The second support assembly comprises a rotating ring, a plurality of arc-shaped guide blocks for controlling the first support assembly to approach or move away from the rotating ring are installed at the upper and lower ends of the rotating ring, and an annular gear for controlling the rotation of the rotating ring in cooperation with the gear is installed on the outer wall of the rotating ring.
[0009] Further, a limiting ring one is installed in the middle part of the box body, an air inlet pipe for conveniently conveying cold air into the box body is installed at the left end of the box body, and a plurality of support seats are installed on the inner wall bottom end of the box body.
[0010] Further, the lower end of the gear is installed with a rotating rod one, the lower end of the rotating rod one is installed with a bevel gear one, one end of the bevel gear one is engaged with a bevel gear two for matching the bevel gear one to control the gear to rotate, one end of the bevel gear two is installed with a rotating rod two, one end of the rotating rod two is installed with a hand wheel for facilitating the rotation of the bevel gear two.
[0011] Further, the upper end of the box body is installed with a top cover, the middle part of the top cover is installed with a limiting ring two, the left side of the top cover is installed with an air outlet pipe, and the middle part of the top cover is installed with a plurality of positioning rods for matching the support seat to limit the first support assembly.
[0012] Further, the first support assembly comprises a lifting ring, the outer wall of one end of the lifting ring close to the limiting ring one or the limiting ring two is processed with a limiting groove, and the outer wall of one end of the lifting ring close to the second support assembly is installed with a limiting ring three.
[0013] Further, the outer wall of the lifting ring is installed with a plurality of mounting blocks, the middle part of the mounting block is processed with a limiting hole for matching the positioning rod to limit the lifting ring, and the upper end of the lifting ring is installed with a plurality of sliding rods for matching the arc-shaped guide block to control the lifting ring to move away from or close to the rotating ring.
[0014] Further, the second support assembly comprises a fixing ring for limiting the rotating ring, the middle part of the outer wall of the fixing ring is installed with a plurality of support rods for limiting the fixing ring, and the rotating ring is installed on the middle part of the outer wall of the fixing ring, and the limiting ring three is telescopic in the fixing ring.
[0015] Further, the first support surface is formed between the two arc-shaped guide blocks, the arc-shaped guide block comprises a second support surface, a third support surface and a fourth support surface for supporting the sliding rod, and the arc-shaped guide block comprises a first guide inclined surface, a second guide inclined surface and a third guide inclined surface for guiding the sliding rod.
[0016] Compared with the prior art, the utility model has the advantages that:
[0017] When the yield of double ring pentadiene needs to be improved, the hand wheel is rotated, the rotating rod two matches the bevel gear two to make the bevel gear one rotate, the rotating rod one synchronously drives the gear to rotate, the gear drives the ring gear to rotate, the rotating ring rotates in the middle part of the fixing ring, the rotating ring synchronously drives the arc-shaped guide blocks at the upper and lower ends of the rotating ring to rotate, the sliding rods at the upper and lower ends of the rotating ring slide from the position of the fourth support surface to the position of the first support surface, thereby driving the two first support assemblies to move close to the rotating ring, reducing the distance between the trays, shortening the residence time of the materials in the first support assembly and the second support assembly, and improving the yield of double ring pentadiene. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the whole structure schematic view of the utility model;
[0019] Figure 2 It is the structure schematic view of the rectification tank of the utility model;
[0020] Figure 3 It is the A place enlarged view of the utility model; Figure 2
[0021] Figure 4 It is the structure schematic view of the first support assembly of the utility model;
[0022] Figure 5 It is the structure schematic view of the second support structure of the utility model.
[0023] In the drawing, the component name represented by each reference sign is listed as follows:
[0024] 10-adsorption tower body, 20-ta plate, 100-rectification tank, 110-tank body, 111-limiting ring one, 112-gas inlet pipe, 113-supporting seat, 114-gear, 115-rotating rod one, 116-bevel gear one, 117-bevel gear two, 118-rotating rod two, 119-hand wheel, 120-top cover, 121-limiting ring two, 122-gas outlet pipe, 123-positioning rod;
[0025] 01-first support assembly, 200-lifting ring, 210-limiting ring three, 220-limiting groove, 230-mounting block, 231-limiting hole, 240-sliding rod;
[0026] 02-second support assembly, 400-fixing ring, 410-supporting rod, 500-rotating ring, 510-arc-shaped guide block, 511-second support surface, 512-third support surface, 513-fourth support surface, 514-first guide inclined surface, 515-second guide inclined surface, 516-third guide inclined surface, 520-ring gear, 530-first support surface. DETAILED DESCRIPTION
[0027] The preferred specific embodiment for realizing the utility model is described in detail below, and clear and complete description is made in conjunction with the drawings.
[0028] Please refer to Figures 1-5 The utility model provides a kind of adsorption column for double ring compound capture, including adsorption tower body 10, and the middle part of adsorption tower body 10 is equipped with rectifying tank 100, multiple trays 20 are installed in the inside of rectifying tank 100, second support assembly 02 is installed in the inside of rectifying tank 100, the upper and lower ends of second support assembly 02 are symmetrically equipped with first support assembly 01 for adjusting the spacing of tray 20 with second support assembly 02, the middle part of first support assembly 01 and second support assembly 02 is equipped with tray 20, the distance between two first support assembly 01 and second support assembly 02 is adjusted, to shorten the residence time of material in first support assembly 01 and second support assembly 02, and then improve dicyclopentadiene yield.
[0029] Rectifying tank 100 includes tank 110, the middle part of tank 110 is fixedly installed with limit ring one 111, the left end of tank 110 is fixedly installed with air inlet pipe 112 for conveniently conveying cold gas to the inside of tank 110, one end of air inlet pipe 112 is connected with prior art cold gas equipment, to conveniently convey cold gas to the inside of rectifying tank 100, improve dicyclopentadiene yield by reducing rectification separation temperature, multiple support seats 113 are fixedly installed on the tank inner wall bottom end of tank 110.
[0030] The inside of tank 110 is installed with gear 114 for controlling the rotation of second support assembly 02, gear 114 is fixedly installed with rotating rod one 115 on the lower end, rotating rod one 115 is fixedly installed with bevel gear one 116 on the lower end, one end of bevel gear one 116 is engaged with bevel gear two 117 for controlling the rotation of gear 114 with bevel gear one 116, bevel gear two 117 is fixedly installed with rotating rod two 118 on one end, rotating rod two 118 is fixedly installed with hand wheel 119 for conveniently rotating bevel gear two 117 on one end, by rotating hand wheel 119, rotating rod two 118 cooperates bevel gear two 117 to make bevel gear one 116 rotate, rotating rod one 115 synchronously drives gear 114 to rotate, and then drives second support assembly 02 to rotate, to control first support assembly 01 on the upper and lower ends of second support assembly 02 to move away or close to second support assembly 02, to adjust dicyclopentadiene yield.
[0031] The upper end of the box body 110 is provided with a top cover 120 through bolt mounting, the middle part of the top cover 120 is fixedly provided with a limiting ring two 121, the outer diameter and the inner diameter of the limiting ring two 121 and the limiting ring one 111 are the same. The left side of the top cover 120 is fixedly provided with an air outlet pipe 122, so as to facilitate the outflow of hot air and the cooling of the inside of the rectification box 100. When the air outlet pipe 122 is not used, the air outlet pipe 122 can be plugged by a sealing plug. The middle part of the top cover 120 is fixedly provided with a plurality of positioning rods 123 for limiting the first support assembly 01 in cooperation with the support seat 113. The support seat 113 is an annular block, and the positioning rods 123 are inserted into the middle hole cavity of the support seat 113, thereby keeping the positioning rods 123 stable. Through the arrangement of the positioning rods 123, the first support assembly 01 can only move up and down and cannot rotate.
[0032] The second support assembly 02 includes a rotating ring 500, a plurality of arc-shaped guide blocks 510 for controlling the first support assembly 01 to approach or move away from the rotating ring 500 are fixedly installed on the upper and lower ends of the rotating ring 500, and an annular gear 520 for cooperating with the gear 114 to control the rotating ring 500 to rotate is fixedly installed on the outer wall of the rotating ring 500. The annular gear 520 is engaged with the gear 114. When the gear 114 rotates, the annular gear 520 synchronously drives the rotating ring 500 to rotate, thereby driving the arc-shaped guide blocks 510 to rotate.
[0033] The first support assembly 01 includes a lifting ring 200, a limiting groove 220 is processed on the outer wall of one end of the lifting ring 200 close to the limiting ring one 111 or the limiting ring two 121, one end of the lifting ring 200 with the limiting groove 220 is in contact with the inner wall of the limiting ring one 111 or the limiting ring two 121, and a limiting ring three 210 is fixedly installed on one end of the lifting ring 200 close to the second support assembly 02. The limiting ring three 210 is in contact with the inner wall of the fixed ring 400, so that when the lifting ring 200 moves up and down, the limiting ring three 210 does not separate from the fixed ring 400, and the lifting ring 200 does not separate from the limiting ring one 111 or the limiting ring two 121. When the air inlet pipe 112 delivers cold air to the inside of the box body 110, the cold air cools the limiting ring one 111, the limiting ring two 121, the fixed ring 400 and the lifting ring 200, and conducts to the inside of the first support assembly 01 and the second support assembly 02, so as to reduce the temperature of rectification separation.
[0034] A plurality of mounting blocks 230 are fixedly installed on the outer wall of the lifting ring 200, a limiting hole 231 for limiting the lifting ring 200 in cooperation with the positioning rod 123 is processed in the middle part of the mounting block 230, the positioning rod 123 is inserted into the hole cavity of the limiting hole 231, and a plurality of slide rods 240 for cooperating with the arc-shaped guide blocks 510 to control the lifting ring 200 to move away from or approach the rotating ring 500 are fixedly installed on the upper end of the lifting ring 200.
[0035] The second supporting assembly 02 comprises a fixing ring 400 for limiting the rotating ring 500, the outer wall of the fixing ring 400 is connected with the slide rod 240, and the limiting ring three 210 is telescopic in the inner part of the fixing ring 400. A plurality of supporting rods 410 for limiting the fixing ring 400 are fixedly installed on the middle outer wall of the fixing ring 400, the rotating ring 500 is installed on the middle outer wall of the fixing ring 400, the middle part of the limiting ring one 111 is provided with a bolt for fixing the supporting rod 410, the bottom of the supporting rod 410 is processed with a threaded hole, the supporting rod 410 is fixed through the bolt, and then the position of the fixing ring 400 is fixed, so that the fixing ring 400 is always in the middle part of the rectifying tank 100 and cannot move.
[0036] The first supporting surface 530 is formed between the two arc-shaped guide blocks 510, the arc-shaped guide block 510 comprises a second supporting surface 511, a third supporting surface 512 and a fourth supporting surface 513 for supporting the slide rod 240, and the arc-shaped guide block 510 comprises a first guide inclined surface 514, a second guide inclined surface 515 and a third guide inclined surface 516 for guiding the slide rod 240.
[0037] When it is needed to improve the dicyclopentadiene yield, the hand wheel 119 is rotated, the rotating rod two 118 cooperates with the bevel gear two 117 to rotate the bevel gear one 116, the rotating rod one 115 synchronously drives the gear 114 to rotate, the gear 114 drives the ring gear 520 to rotate, so that the rotating ring 500 rotates in the middle part of the fixing ring 400, when the rotating ring 500 rotates, the arc-shaped guide blocks 510 at the upper end and the lower end of the rotating ring 500 are synchronously driven to rotate, so that the slide rods 240 at the upper end and the lower end of the rotating ring 500 slide from the position of the fourth supporting surface 513 to the position of the first supporting surface 530, thereby driving the two first supporting assemblies 01 to move close to the rotating ring 500, the distance between the trays 20 is reduced, the residence time of the material in the first supporting assembly 01 and the second supporting assembly 02 is shortened, and the dicyclopentadiene yield is improved.
[0038] Based on the above content and the drawings, those skilled in the art can understand and implement the present application. Moreover, any non-creative modification of the present application made by those skilled in the art without creative labor still falls within the protection scope of the present application.
Claims
1. A double ring compound capture adsorption tower, comprising an adsorption tower body (10), characterized in that: a rectifying box (100) is installed in the middle of the adsorption tower body (10), a plurality of tower plates (20) are installed in the rectifying box (100), a second support assembly (02) is installed in the rectifying box (100), and first support assemblies (01) are symmetrically installed at the upper and lower ends of the second support assembly (02) to adjust the spacing of the tower plates (20) matched with the second support assembly (02); the rectifying box (100) comprises a box body (110), and a gear (114) for controlling the rotation of the second support assembly (02) is installed in the box body (110); the second support assembly (02) comprises a rotating ring (500), a plurality of arc-shaped guide blocks (510) for controlling the first support assembly (01) to approach or move away from the rotating ring (500) are installed at the upper and lower ends of the rotating ring (500), and an annular gear (520) for controlling the rotation of the rotating ring (500) matched with the gear (114) is installed on the outer wall of the rotating ring (500).
2. The adsorption column for trapping bicyclic compounds according to claim 1, characterized by: A limiting ring one (111) is installed in the middle of the box body (110), an air inlet pipe (112) for conveniently conveying cold air into the box body (110) is installed at the left end of the box body (110), and a plurality of support seats (113) are installed at the bottom end of the inner wall of the box body (110).
3. The adsorption column for trapping bicyclic compounds according to claim 1, characterized by: A rotating rod one (115) is installed at the lower end of the gear (114), a bevel gear one (116) is installed at the lower end of the rotating rod one (115), one end of the bevel gear one (116) is engaged with a bevel gear two (117) for controlling the rotation of the gear (114) matched with the bevel gear one (116), a rotating rod two (118) is installed at one end of the bevel gear two (117), and a hand wheel (119) for conveniently rotating the bevel gear two (117) is installed at one end of the rotating rod two (118).
4. The dual ring compound capture adsorption column of claim 2, wherein: A top cover (120) is installed at the upper end of the box body (110), a limiting ring two (121) is installed in the middle of the top cover (120), an air outlet pipe (122) is installed at the left side of the top cover (120), and a plurality of positioning rods (123) for limiting the first support assembly (01) matched with the support seats (113) are installed in the middle of the top cover (120).
5. The adsorption column for trapping a bicyclic compound according to claim 4, characterized by: The first support assembly (01) comprises a lifting ring (200), a limiting groove (220) is machined on the outer wall of one end of the lifting ring (200) close to the limiting ring one (111) or the limiting ring two (121), and a limiting ring three (210) is installed at one end of the lifting ring (200) close to the second support assembly (02).
6. The dual ring compound capture adsorption column of claim 5, wherein: The outer wall of the lifting ring (200) is provided with a plurality of mounting blocks (230), the middle part of the mounting block (230) is processed with a limiting hole (231) for matching the positioning rod (123) to limit the lifting ring (200), and the upper end of the lifting ring (200) is provided with a plurality of slide rods (240) for matching the arc-shaped guide block (510) to control the lifting ring (200) to move away from or close to the rotating ring (500).
7. The dual ring compound capture adsorption column of claim 5, wherein: The second support assembly (02) comprises a fixed ring (400) for limiting the rotating ring (500), a plurality of support rods (410) are arranged on the middle outer wall of the fixed ring (400) for limiting the fixed ring (400), and the rotating ring (500) is arranged on the middle outer wall of the fixed ring (400), and the limiting ring three (210) is telescopic in the fixed ring (400).
8. The dual ring compound capture adsorption column of claim 6, wherein: First support surfaces (530) are formed between the two arc-shaped guide blocks (510), the arc-shaped guide block (510) comprises a second support surface (511), a third support surface (512) and a fourth support surface (513) for supporting the slide rod (240), and the arc-shaped guide block (510) comprises a first guide inclined surface (514), a second guide inclined surface (515) and a third guide inclined surface (516) for guiding the slide rod (240).