Rectifying tower convenient to clean

By installing a scraping and cleaning mechanism inside the distillation column, the problem of scale buildup affecting heat transfer efficiency is solved, achieving efficient and uniform cleaning results and ensuring the normal operation of the distillation column.

CN223846259UActive Publication Date: 2026-01-30MEIRUI TECH (HENAN) CO LTD +1
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Patent Information

Application Number
CN202423289402.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-01-30
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Residual materials and scale inside the distillation column can easily adhere to the column wall or plates, leading to reduced heat transfer efficiency and uneven separation, thus affecting normal operation.

Method used

The distillation column is equipped with a scraping mechanism and a cleaning mechanism. The scraping mechanism uses a scraper assembly to scrape off dirt from the column plates and inner walls, while the cleaning mechanism uses spray nozzles to rinse the column. The combination of scraping and rinsing achieves thorough cleaning.

Benefits of technology

It improves the uniformity and thoroughness of cleaning, shortens the cleaning time, ensures uniform temperature distribution inside the tower, and enhances heat transfer efficiency and separation effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a rectifying tower convenient to clean, which comprises a rectifying tower body, tower plates, a scraping mechanism, a cleaning mechanism and a drainage mechanism are arranged in the rectifying tower body, the tower plates are arranged in the rectifying tower body in an up-and-down crossing manner, and the scraping mechanism is used for scraping the tower plates and the inner wall of the rectifying tower body. The cleaning mechanism is used for washing the tower plates and the inner wall of the rectifying tower body, and the liquid discharging mechanism is arranged at the bottom of the rectifying tower body and used for discharging liquid in the rectifying tower body. According to the rectifying tower, the scraping mechanism is arranged in the rectifying tower body, dirt and impurities attached to the inner wall of the tower and the tower plates can be efficiently scraped, meanwhile, water flow sprayed out of the nozzles of the cleaning mechanism flushes the scraped dirt and takes away the dirt rapidly, dirt accumulation in the tower is avoided, and the scraping and flushing combined mode is adopted, so that the cleaning efficiency of the rectifying tower is improved. And not only are the uniformity and thoroughness of cleaning improved, but also the cleaning time is greatly shortened, and the working efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rectifying tower technical field, concretely relates to a rectifying tower convenient to clean. BACKGROUND

[0002] Rectifying tower is a tower type gas-liquid contact device for rectification, which utilizes the different volatility of each component in the mixture, i.e. the different vapor pressure of each component at the same temperature, to transfer the light components in the liquid phase to the gas phase and the heavy components in the gas phase to the liquid phase, so as to achieve the purpose of separation. Rectifying tower is also a mass transfer and heat transfer device widely used in petroleum and chemical production.

[0003] However, after the treatment of raw materials, residues and scale are easily left in the rectifying tower, and if not cleaned in time, the scale will adhere to the tower wall or tray, form thermal resistance, reduce heat transfer efficiency, cause uneven temperature distribution in the tower, and affect the separation effect. SUMMARY

[0004] The utility model discloses a rectifying tower convenient to clean aiming at the prior art problem.

[0005] The utility model discloses a rectifying tower convenient to clean solves the technical scheme as follows: a rectifying tower convenient to clean, including rectifying tower body, be equipped with tower board, scraping mechanism, cleaning mechanism and drainage mechanism in the rectifying tower body, the tower board is in the rectifying tower body and is arranged in the up and down intersection, the scraping mechanism is used for scraping the tower board and the inner wall of the rectifying tower body, the cleaning mechanism is used for flushing the tower board and the inner wall of the rectifying tower body, the drainage mechanism sets up at the bottom of the rectifying tower body, and the drainage mechanism is used for discharging the liquid in the rectifying tower body.

[0006] On the basis of the above technical scheme, the utility model can also be improved as follows:

[0007] Preferably, the scraping mechanism includes a motor, a rotating shaft and a scraper assembly, the output end of the motor is connected with the rotating shaft, the scraper assembly is installed on the rotating shaft, and the scraper assembly is located between two adjacent tower boards.

[0008] Preferably, each group of the scraper assembly includes a first scraper and a second scraper, two first scrapers are provided, the first scrapers are in contact with the plate surface of the tower board, the two ends of the second scraper are installed on the first scraper, and the second scraper is attached to the inner wall of the rectifying tower body.

[0009] Preferably, the cleaning mechanism includes a pipeline two and a liquid inlet pipe, the liquid inlet pipe penetrates through the rectifying tower body and communicates with the pipeline two, the pipeline two is located above the tower board, and a plurality of spray heads are arranged on the pipeline two.

[0010] Preferably, the pipeline two is arranged in a ring shape.

[0011] Preferably, the liquid discharging mechanism comprises a fixed block, a pipeline one, a cylinder, a liquid discharging pipe and a liquid outlet pipe, the fixed block is installed at the bottom of the rectifying tower body, the pipeline one is installed on the fixed block, the upper end of the pipeline one is communicated with the inner cavity of the rectifying tower body, the lower end is communicated with the cylinder, the outer wall of the cylinder is provided with flow guide hole one and flow guide hole two arranged at an angle, the cylinder is connected with an adjusting rod, the adjusting rod is used for rotating the cylinder, the two ends of the fixed block are respectively provided with a liquid discharging pipe and a liquid outlet pipe, the cylinder is communicated with the liquid discharging pipe or the liquid outlet pipe.

[0012] Preferably, the lower end of the pipeline one is provided with an arc-shaped groove concave upward, and the arc-shaped groove is matched with the outer wall of the cylinder.

[0013] Preferably, the flow guide hole one and the flow guide hole two are arranged at 90°.

[0014] Preferably, the liquid discharging mechanism further comprises a locking assembly, the locking assembly comprises a clamping groove and a clamping pin, the clamping pin is installed on the fixed block through a supporting plate, the clamping groove is corresponding to the clamping pin, the clamping groove is arranged on the outer wall of the adjusting rod, and the clamping groove is provided with two, and the two clamping grooves are respectively corresponding to the flow guide hole one and the flow guide hole two.

[0015] Preferably, the clamping pin is provided with a spring and a limiting plate, the spring is located between the supporting plate and the limiting plate, and the lower end of the clamping pin extends out of the limiting plate.

[0016] The beneficial effects of the present application are as follows: by arranging the scraping mechanism in the rectifying tower body, the dirt and impurities adhered to the inner wall and the tray of the tower can be scraped efficiently; meanwhile, the water flow sprayed by the nozzle of the cleaning mechanism can flush the scraped dirt and carry it away quickly, avoiding the accumulation of dirt in the tower; by combining scraping with flushing, the uniformity and completeness of cleaning are improved, the cleaning time is greatly shortened, and the work efficiency is improved. The problem of residual material accumulation in the tower affecting the heat transfer efficiency of the rectifying tower is solved, and the uniform operation of the temperature distribution in the tower is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a sectional view of the rectifying tower of the present application Figure 1 ;

[0018] Figure 2 It is a sectional view of the rectifying tower of the present application Figure 2 ;

[0019] Figure 3 It is a three-dimensional schematic view of the rectifying tower of the present application.

[0020] Figure 4 It is the schematic view of the scraping mechanism of the utility model;

[0021] Figure 5 It is the schematic view of the liquid discharge mechanism of the utility model;

[0022] Figure 6 It is the structure section view of the liquid discharge mechanism of the utility model;

[0023] Figure 7 It is Figure 5 The enlarged view at A in the middle.

[0024] The figure mark record is as follows: 1, rectifying tower body;2, tray;301, motor;302, rotating shaft;303, scraper one;304, scraper two;401, fixed block;402, pipeline one;403, cylinder;404, flow guide hole one;405, flow guide hole two;406, adjusting rod;407, clamping groove;408, clamping pin;409, spring;410, liquid discharge pipe;411, liquid outlet pipe;501, pipeline two;502, spray head;503, flange plate;504, liquid inlet pipe. Specific implementation

[0025] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and are not used to limit the scope of the utility model.

[0026] As Figures 1 to 7 Indicated, the utility model discloses a kind of rectifying tower convenient to clean, including rectifying tower body 1, rectifying tower body 1 is equipped with tray 2, scraping mechanism, cleaning mechanism and liquid discharge mechanism, tray 2 is arranged in rectifying tower body 1 in up and down intersection, tray 2 is used to increase the contact area of each component to improve separation efficiency, scraping mechanism is used to scrape tray 2 and the inner wall of rectifying tower body 1, and the residual raw material on tray 2 and tower inner wall is scraped and cleaned, cleaning mechanism is used to flush tray 2 and the inner wall of rectifying tower body 1, liquid discharge mechanism is arranged at the bottom of rectifying tower body 1, and liquid discharge mechanism is used to discharge the liquid in rectifying tower body 1.

[0027] In the embodiment, specifically, scraping mechanism includes motor 301, rotating shaft 302 and scraper assembly, motor 301 is installed above rectifying tower body 1, the output end of motor 301 is connected with rotating shaft 302, scraper assembly is installed on rotating shaft 302, and scraper assembly is located between the tray 2 adjacent up and down. Motor 301 works, drives rotating shaft 302 and scraper assembly to rotate, and scraper assembly cleans the up and down plate surface of tray 2 and tower inner wall, to ensure the cleaning effect of tray 2 and tower inner wall.

[0028] Further, each group of scraping plate assembly includes a first scraping plate 303 and a second scraping plate 304, the first scraping plate 303 is provided with two, the first scraping plate 303 is in contact with the plate surface of the tray 2, the upper first scraping plate 303 is used for scraping the lower plate surface of the upper tray 2, and the lower first scraping plate 303 is used for scraping the upper plate surface of the lower tray 2, so that the scraping effect of the tray 2 is ensured, the second scraping plate 304 is installed at both ends of the first scraping plate 303, the second scraping plate 304 is in contact with the inner wall of the rectifying tower body 1, the outer side of the second scraping plate 304 is arranged in an arc shape, so that the second scraping plate 304 is in contact with the inner wall of the rectifying tower body 1, and the scraping effect of the inner wall of the tower is ensured.

[0029] In the embodiment, specifically, the cleaning mechanism includes a pipeline 2 501 and a liquid inlet pipe 504, the liquid inlet pipe 504 is communicated with the pipeline 2 501 through the rectifying tower body 1, the liquid inlet pipe 504 is connected with a water source through a flange plate 503, the pipeline 2 501 is located above the tray 2, a plurality of spray heads 502 are arranged on the pipeline 2 501, water is uniformly sprayed into the tower, and the cleaning effect is ensured.

[0030] Further, the pipeline 2 501 is arranged in a ring shape, so that the plurality of spray heads 502 are arranged in a ring shape in the tower, and the cleaning effect in the tower is further improved, the structure is simple, and the cost is low.

[0031] In an optional embodiment, the pipeline 2 501 is a straight pipe, a plurality of pipeline 2 501s are arranged side by side, and the effect of uniformly spraying water into the tower can also be achieved.

[0032] In the embodiment, specifically, the liquid discharge mechanism includes a fixed block 401, a pipeline 1 402, a cylinder 403, a liquid discharge pipe 410 and a liquid outlet pipe 411, the fixed block 401 is installed at the bottom of the rectifying tower body 1, the upper end of the fixed block 401 is in an arc shape, the fixed block 401 is conveniently in contact with the bottom of the rectifying tower body 1, and the leakage of liquid is reduced, the pipeline 1 402 is installed on the fixed block 401, the upper end of the pipeline 1 402 is communicated with the inner cavity of the rectifying tower body 1, and the lower end is communicated with the cylinder 403, the cylinder 403 is in a hollow structure, the outer wall of the cylinder 403 is provided with a flow guide hole 1 404 and a flow guide hole 2 405 arranged at an angle, the end of the cylinder 403 is connected with an adjusting rod 406, the adjusting rod 406 is used to rotate the cylinder 403, the two ends of the fixed block 401 are respectively provided with the liquid discharge pipe 410 and the liquid outlet pipe 411, the cylinder 403 is communicated with the liquid discharge pipe 410 or the liquid outlet pipe 411, wherein the liquid discharge pipe 410 is used to discharge the cleaning liquid, and the liquid outlet pipe 411 is used to discharge the tower bottom liquid. A sealing gasket is arranged at the connection between the adjusting rod 406 and the fixed block 401, so that the leakage of liquid is avoided, a handle is installed at the end of the adjusting rod 406, the adjusting rod 406 and the cylinder 403 are driven to rotate through the handle, so that the pipeline 1 402 is communicated with the liquid discharge pipe 410 or the liquid outlet pipe 411.

[0033] Further, the lower end of the pipeline one 402 is provided with an upwardly concave arc-shaped slot which is attached to the outer wall of the cylinder 403, so that the liquid in the rectifying tower body 1 can smoothly enter the cylinder 403, and the liquid leakage is reduced.

[0034] In the embodiment, the flow guide hole one 404 and the flow guide hole two 405 are arranged at 90°, so that the angle of the rotation of the cylinder 403 can be conveniently adjusted, and the operation convenience is improved.

[0035] In the embodiment, the liquid discharging mechanism further comprises a locking assembly, and the locking assembly comprises a clamping groove 407 and a clamping pin 408.

[0036] Further, the clamping pin 408 is provided with a spring 409 and a limiting plate, the spring 409 is located between the supporting plate and the limiting plate, and the lower end of the clamping pin 408 extends out of the limiting plate so as to be inserted into the clamping groove 407.

[0037] The use process of the rectifying tower body 1 is as follows:

[0038] In use, first, the liquid inlet pipe 504 is connected with the water inlet pipe through the flange plate 503, when the rectifying tower body 1 needs to be cleaned, first, the clamping pin 408 is pulled upward, the clamping pin 408 moves upward along the supporting plate until the bottom end of the clamping pin 408 is separated from the clamping groove 407, the adjusting rod 406 is rotated, so that the cylinder 403 rotates in the fixed block 401, when the flow guide hole two 405 on the cylinder 403 is located below the pipeline one 402 and the flow guide hole one 404 corresponds to the liquid discharging pipe 410, the pipeline one 402 is connected with the liquid discharging pipe 410, the clamping pin 408 is loosened, and the bottom end of the clamping pin 408 is clamped in the corresponding clamping groove 407 under the elastic force of the spring 409, so that the adjusting rod 406 and the cylinder 403 are locked, and the flow direction of the cleaning sewage in the rectifying tower body 1 can be changed when the rectifying tower body 1 is cleaned, and the pollution of the sewage to the reboiler through the liquid outlet pipe 411 is prevented.

[0039] Then the motor 301 is started, the motor 301 drives the rotating shaft 302 to rotate in the rectifying tower body 1, the rotating shaft 302 drives the scraper one 303 to rotate, the upper plate surface and the lower plate surface of the tray plate 2 are scraped and cleaned, and the scraper two 304 is driven to scrape and clean the inner wall of the rectifying tower body 1, so that the dirt and impurities attached to the inner wall of the rectifying tower body 1 are effectively scraped.

[0040] Then the valve on the water inlet pipe is synchronously opened, water is transported to the pipeline two 501 through the liquid inlet pipe 504, the water is sprayed out from the pipeline two 501 through the plurality of spray heads 502, the tray plate 2 and the inner wall of the rectifying tower body 1 are washed, the dirt and impurities scraped down are quickly washed away, the dirt is prevented from accumulating in the tower, and the uniformity and thoroughness of cleaning are improved.

[0041] After cleaning, the adjusting rod 406 is reversely rotated to drive the cylinder 403 to reversely rotate, the flow guide hole one 404 is located below the pipeline one 402, and the flow guide hole two 405 corresponds to the liquid outlet pipe 411, so that the pipeline one 402 and the liquid outlet pipe 411 are communicated, and the tower bottom liquid is guided to enter the subsequent reboiler through the liquid outlet pipe 411 when the rectifying tower body 1 works.

[0042] In the cleaning process, the adjusting rod 406 is rotated, the pipeline one 402 and the liquid discharge pipe 410 are communicated through the flow guide hole one 404 and the flow guide hole two 405, so that the discharge path of the sewage is controlled, the flexibility of cleaning is improved, and more importantly, the cleaning sewage is prevented from flowing into the subsequent reboiler, potential pollution risk is avoided, the cleaning and normal operation of the reboiler are ensured.

[0043] The above only describes preferred embodiments of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A rectification column which is easy to clean, comprising a rectification column body (1), characterized in that, The rectifying tower body (1) is internally provided with tower plates (2), a scraping mechanism, a cleaning mechanism and a liquid discharge mechanism, the tower plates (2) are arranged in an up-and-down cross manner in the rectifying tower body (1), the scraping mechanism is used for scraping the tower plates (2) and the inner wall of the rectifying tower body (1), the cleaning mechanism is used for flushing the tower plates (2) and the inner wall of the rectifying tower body (1), and the liquid discharge mechanism is arranged at the bottom of the rectifying tower body (1) and is used for discharging liquid in the rectifying tower body (1).

2. The easy-to-clean rectification column according to claim 1, characterized in that The scraping mechanism comprises a motor (301), a rotating shaft (302) and a scraper assembly, the output end of the motor (301) is connected with the rotating shaft (302), the scraper assembly is installed on the rotating shaft (302), and the scraper assembly is located between two adjacent tower plates (2) in an up-and-down direction.

3. The easy-to-clean rectification column of claim 2, wherein, Each group of the scraper assembly comprises a scraper one (303) and a scraper two (304), two scraper ones (303) are arranged, the scraper one (303) is in contact with the plate surface of the tower plate (2), and the two ends of the scraper two (304) are installed on the scraper one (303), and the scraper two (304) is attached to the inner wall of the rectifying tower body (1).

4. The easy-to-clean rectification column according to claim 1 or 2, characterized in that The cleaning mechanism comprises a pipeline two (501) and a liquid inlet pipe (504), the liquid inlet pipe (504) penetrates through the rectifying tower body (1) and communicates with the pipeline two (501), the pipeline two (501) is located above the tower plate (2), and a plurality of spray heads (502) are arranged on the pipeline two (501).

5. The easy-to-clean rectification column of claim 4, wherein, The pipeline two (501) is arranged in an annular manner.

6. The easy-to-clean rectification column of claim 1, wherein, The liquid discharge mechanism comprises a fixing block (401), a pipeline one (402), a cylinder (403), a liquid discharge pipe (410) and a liquid outlet pipe (411), the fixing block (401) is installed at the bottom of the rectifying tower body (1), the pipeline one (402) is installed on the fixing block (401), the upper end of the pipeline one (402) communicates with the inner cavity of the rectifying tower body (1), the lower end communicates with the cylinder (403), the outer wall of the cylinder (403) is provided with an included angle arranged flow guide hole one (404) and flow guide hole two (405), the cylinder (403) is connected with an adjusting rod (406), the adjusting rod (406) is used for rotating the cylinder (403), the two ends of the fixing block (401) are respectively provided with the liquid discharge pipe (410) and the liquid outlet pipe (411), and the cylinder (403) communicates with the liquid discharge pipe (410) or the liquid outlet pipe (411).

7. The easy-to-clean rectification column according to claim 6, characterized in that The lower end of the pipeline one (402) is provided with an upwardly recessed arc-shaped groove, and the arc-shaped groove is attached to the outer wall of the cylinder (403).

8. The easy-to-clean rectification column of claim 6, wherein, The flow guide hole one (404) and the flow guide hole two (405) are arranged at an angle of 90°.

9. The easy-to-clean rectification column of claim 8, wherein, The liquid drainage mechanism further comprises a locking assembly, the locking assembly comprises a clamping groove (407) and a clamping pin (408), the clamping pin (408) is installed on the fixed block (401) through a supporting plate, the clamping groove (407) corresponds to the clamping pin (408), the clamping groove (407) is arranged on the outer wall of the adjusting rod (406), and two clamping grooves (407) are arranged, and the two clamping grooves (407) correspond to the flow guide hole one (404) and the flow guide hole two (405) respectively.

10. The easy-to-clean rectification column of claim 9, wherein, A spring (409) and a limiting plate are installed on the clamping pin (408), the spring (409) is located between the supporting plate and the limiting plate, and the lower end of the clamping pin (408) protrudes from the limiting plate.

Citation Information

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