CN218900873U - Sectional type rectifying column that work efficiency is high - Google Patents

Abstract

The utility model belongs to the technical field of rectifying towers, in particular to a sectional type rectifying tower with high working efficiency, which comprises a tower seat; the top of the tower seat is fixedly connected with a plurality of sections of tower bodies, and the sections of tower bodies are connected through flanges; the top of the tower body is fixedly connected with the tower top; a plurality of tower plates are fixedly connected in the tower body; a downcomer is fixedly connected between the tower plate and the inner wall of the tower body; a plurality of through holes are uniformly formed in the surface of the tower plate; a slag blocking pipe is fixedly connected to the surface of the tower plate at a position corresponding to the through hole; an annular groove is formed in the inner surface of the slag blocking pipe; the feed liquid impurity that makes tray surface adhesion pile up on the slag stopping pipe surface under the promotion of feed liquid, can't directly flow into in the through-hole, a small amount of impurity that gets into in the slag stopping pipe can form the liquid droplet at annular groove notch, blows out the slag stopping pipe with impurity by gas, reduces the condition that the through-hole was plugged up when handling the feed liquid that viscosity is great of rectifying column, and rectifying column has higher throughput for a long time, has promoted the work efficiency of rectifying column.

Description

Sectional type rectifying column that work efficiency is high

Technical Field

The utility model belongs to the technical field of rectifying towers, and particularly relates to a sectional type rectifying tower with high working efficiency.

Background

The rectifying tower is characterized in that the light components in the liquid phase are transferred to the heavy components by utilizing the condition difference of volatilization of each component in the mixture, so that the separation of each component is realized, and the condensed liquid is high in concentration through the repeated contact of gas and liquid in the rectifying tower, so that a high-purity product is obtained.

One chinese patent publication No. CN105457324B discloses a separator rectifying tower comprising: a tower body; a bulkhead vertically disposed within the tower body, the bulkhead defining a bulkhead section between an upper edge and a lower edge of the bulkhead; and a liquid distributor disposed within the separator section, wherein the liquid distributor is secured to the tower only and not to the separator. By using the separator rectification column of the present utility model, problems with conventional separator rectification columns, namely manufacturing defects in the separator caused by the manufacturing process and/or improper distribution of liquid on the mass transfer element caused by deformation of the separator under operating conditions, can be minimized or even avoided.

When the rectifying tower of the sieve-hole type tower plate is used for treating feed liquid with high viscosity and feed liquid mixed with particles, sieve holes on the tower plate are easy to be blocked, so that the flow of gas is influenced, the mass transfer and heat transfer efficiency between the gas and the liquid on the tower plate is reduced, the quantity and the quality of products condensed out of the top of the rectifying tower are further reduced, and the production efficiency of the rectifying tower is lowered.

Therefore, the utility model provides the sectional rectifying tower with high working efficiency.

Disclosure of Invention

In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a sectional rectifying tower with high working efficiency, which comprises a tower seat; the top of the tower seat is fixedly connected with a plurality of sections of tower bodies, and the sections of tower bodies are connected through flanges; the top of the tower body is fixedly connected with the tower top; a plurality of tower plates are fixedly connected in the tower body; a downcomer is fixedly connected between the tower plate and the inner wall of the tower body; a plurality of through holes are uniformly formed in the surface of the tower plate; a slag blocking pipe is fixedly connected to the surface of the tower plate at a position corresponding to the through hole; an annular groove is formed in the position, close to the pipe orifice, of the inner surface of the slag blocking pipe; the condition that the higher feed liquid of viscosity or have the granule is handled to the rectifying column, the condition that blocks up can often appear in the through-hole on the column plate, and then the work efficiency of rectifying column has been seriously influenced, because the high feed liquid of viscidity can be stained with at first at the column plate surface, along with the impurity feed liquid of adhesion on the flow column plate of feed liquid is thickened, on the inside wall of through-hole flows into when passing through the through-hole, along with the increase of the viscous feed liquid of inflow, gradually block up the through-hole, and then make gaseous difficult to flow out from the through-hole, reduce the work efficiency of rectifying column, through the skim tube, make the feed liquid impurity of column plate surface adhesion can not directly flow into in the through-hole, the impurity feed liquid of adhesion can be stained with the surface of skim tube under the promotion of feed liquid, only can remain some feed liquid and enter into the skim tube in, the feed liquid of adhesion gathers on the inner wall behind the skim tube, along with the increase of feed liquid, when passing through the annular groove, because the abrupt recess of the pipe wall, the feed liquid can form the liquid droplet in annular groove notch position, simultaneously follow down and upward flowing gaseous can get out from the annular groove, then get rid of the recess in the recess, then get away from the inside the inner wall of the recess, can be stained with in the skim tube, the performance is realized by the subsides in the condition when the subsides of the inside of the skim tube, the subsides is more than can be more convenient to the hole, the performance has been improved, and can be more convenient to the quality had the performance a high quality when the performance was compared to the performance was compared with the condition, and has improved to the performance quality can be improved under the condition when the condition is improved.

Further, a plurality of diversion grooves are formed in the surface of the column plate; due to the arrangement of the slag blocking pipe, certain obstruction is formed to the flow of the feed liquid, certain influence is caused to the flow velocity of the feed liquid, the flow velocity of the feed liquid on the tower plate can be promoted through the flow guiding groove, meanwhile, the contact area between the feed liquid and the tower plate is increased through the flow guiding groove, the capability of adhering impurities to the tower plate is improved, and the accumulation of impurities on the surface of the slag blocking pipe is reduced to a certain extent.

Further, a side hole is formed in one side, close to the downcomer, of the surface of the slag blocking pipe; the slag blocking pipe makes the contact position of the gas and the liquid far away from the tower plate, the contact time and the mixing degree of the gas and the liquid become low, partial gas contacts with the feed liquid close to the tower plate through the side holes, the contact area and the contact time of the gas and the feed liquid are increased, the liquid and the liquid are mixed more thoroughly, and the quality and heat exchange effect between the gas and the liquid is improved.

Further, the outer surface of the slag blocking pipe is fixedly connected with a connecting ring through a torsion spring; the connecting ring is fixedly connected with a first baffle; a first scraping plate is fixedly connected to the connecting ring; the first scraping plate and the first baffle are respectively positioned at two sides of the slag blocking pipe, and the surface of the first baffle is perpendicular to the flowing direction of the liquid; a cavity is formed in the first scraping plate; a slag guide port is formed in the side surface of the cavity and close to the slag guide pipe, and the slag guide port is close to the downcomer; the time that rectifying column worked is longer, a large amount of impurity has been gathered on the surface of pushing off the slag pipe, when the time overlength of rectifying column work, the impurity flows to the top from pushing off the slag pipe bottom, and then get into the slag pipe inside, the slag pipe still can be plugged up, in order to reduce the maintenance number of times, keep away from the impurity clearance that one side of downcomer was kept away from to the slag pipe through first scraper blade, during operation, the feed liquid flow is through pushing first baffle and rotating, through the connection of go-between, first scraper blade also rotates, after the rectifying column accomplished once work, the feed liquid is not when flowing, the torsional spring makes first baffle reset, first scraper blade also resets simultaneously, can hang the surface of adhesion at the slag pipe when first scraper blade rotates, the impurity can enter into inside the first scraper blade from leading the slag mouth, reduce the impurity of slag pipe surface adhesion, reduce the frequency of rectifying column maintenance, practice thrift use cost.

Further, a second baffle is fixedly connected to one side, close to the first baffle, of the connecting ring, and the second baffle is located between the first baffle and the first scraping plate; because first baffle rotates around leading the sediment pipe under the promotion of feed liquid, along with rotation angle's increase, the effort that the feed liquid acted on first baffle reduces, and the reaction force of torsional spring also becomes simultaneously grow, and then first scraper blade pivoted angle is less, through the second baffle, when first baffle rotates extreme position, the second baffle rotates the position of perpendicular to feed liquid flow direction, the second baffle rotates under the promotion of feed liquid, first scraper blade further rotates, when the rectifying column finishes the work, the scope of scraping of first scraper blade is bigger, the scraping ability of first scraper blade has further been promoted.

Further, an inclined plane is arranged at the position of the slag blocking pipe close to the slag guide port; when the first scraper blade clears up the surface of pushing off the slag pipe, the impurity that the guide slag mouth of slope can be directed to entering, and the impurity can enter into in the cavity more easily.

Further, the position of the slag guide opening is close to the pipe orifice of the slag blocking pipe; because the impurity on the pushing off slag pipe flows to the orificial direction from the bottom of pushing off slag pipe, and then enters into the pushing off slag intraductal, just can reduce the condition that the through-hole was plugged up by the impurity through the impurity clearance that will be close to pushing off slag pipe mouth of pipe department, because the space of the impurity of first scraper blade storage is limited, consequently can prolong the time interval of clearance first scraper blade, reduce the frequency of maintenance, reduce the cost of maintenance.

Further, a chute is formed in the position, close to the slag guide port, of the surface of the first scraping plate; a third baffle is connected in a sliding way in the sliding groove; a plurality of springs are fixedly connected between the bottom of the chute and the third baffle; a sliding hole is formed in the position, close to the surface of the slag blocking pipe, of the third baffle plate; the sliding rod is connected in the sliding hole in a sliding way: the end part of the sliding rod is fixedly connected with the third baffle; the slag blocking pipe is provided with a groove at the limit position corresponding to the rotation of the first scraping plate, and the end part of the sliding rod is positioned in the groove; in order to reduce impurity in the cavity at the next rectifying column during operation, by the feed liquid punching out the cavity, when extreme position through first rotor plate, the spring pops out the third baffle, and the third baffle seals the slag notch, and when first scraper blade rotated, the tip and the skimming pipe surface contact of slide bar, the slide bar pushes back in the spout with the third baffle, makes impurity can enter into in the cavity, has reduced the condition that impurity flows out in the cavity, has reduced the secondary pollution of impurity to the feed liquid.

Further, the top of the first scraping plate is fixedly connected with an L-shaped connecting rod; the end part of the L-shaped connecting rod is fixedly connected with a second scraping plate; when the first scraper blade rotates, the second scraper blade is connected through the L-shaped connecting rod to rotate, and the second scraper blade scrapes and sweeps the inner surface of the slag blocking pipe, so that the condition that the slag blocking pipe is blocked is further reduced.

Further, an elastic cloth is fixedly connected between the sliding rod and the first scraping plate, and the sliding hole is covered by the elastic cloth; impurity is stained with and can influence the slip of slide bar in attaching to the slide bar, and then can make the slide bar block, influences the rotation of first scraper blade, through elasticity cloth, has reduced impurity and has stained with on attaching the slide bar, guarantees the gliding effect of slide bar, has promoted the stability of device.

The beneficial effects of the utility model are as follows:

1. according to the sectional type rectifying tower with high working efficiency, the slag blocking pipe is arranged at the through hole, so that impurities adhered to the surface of the tower plate are reduced from flowing into the through hole, the possibility that the through hole on the tower plate is blocked is reduced, the through hole can always keep a good ventilation effect, sufficient gas can be sprayed out of the through hole, mass transfer and heat transfer are carried out with liquid, and the tower plate is always in a high-efficiency treatment state.

2. According to the sectional type rectifying tower with high working efficiency, the first scraping plate is reset after the rectifying tower is operated by the acting force of the torsion spring, impurities accumulated on one surface of the slag blocking pipe facing the flow direction of feed liquid are cleaned, so that the rectifying tower can still keep good air permeability of the tower plate after multiple operations, impurities accumulated on the surface of the slag blocking pipe can be reduced greatly, and impurities adhered to the tower plate flow into the through holes.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the structure of the tray of the present utility model;

FIG. 4 is a cross-sectional view of a slag blocking pipe according to the present utility model;

FIG. 5 is a schematic view of the structure of a third baffle plate according to the present utility model;

FIG. 6 is a schematic structural view of an elastic fabric in a second embodiment of the present utility model;

in the figure: 1. a tower base; 11. a tower body; 12. a tower top; 13. a tray; 14. a through hole; 15. a slag blocking pipe; 16. a downcomer; 17. an annular groove; 2. a flow guiding groove; 3. a side hole; 4. a connecting ring; 41. a first baffle; 42. a first scraper; 43. a cavity; 44. a slag guide port; 5. a second baffle; 6. an inclined plane; 7. a chute; 71. a third baffle; 72. a spring; 73. a slide bar; 74. a groove; 75. a slide hole; 8. an L-shaped connecting rod; 81. a second scraper; 9. an elastic cloth.

Detailed Description

The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Example 1

As shown in fig. 1 to 2, a sectional rectifying tower with high working efficiency according to the embodiment of the utility model comprises a tower base 1; a plurality of sections of tower bodies 11 are fixedly connected to the top of the tower base 1, and the sections of tower bodies 11 are connected through flanges; the top of the tower body 11 is fixedly connected with a tower top 12; a plurality of tower plates 13 are fixedly connected inside the tower body 11; a downcomer 16 is fixedly connected between the column plate 13 and the inner wall of the tower body 11; a plurality of through holes 14 are uniformly formed in the surface of the tower plate 13; a slag blocking pipe 15 is fixedly connected to the surface of the column plate 13 at a position corresponding to the through hole 14; an annular groove 17 is formed in the inner surface of the slag blocking pipe 15 at a position close to the pipe orifice; when the rectifying tower is used for treating feed liquid with higher viscosity or feed liquid with particles, the through holes 14 on the tower plates 13 are often blocked, the maintenance is required to be stopped, the working efficiency of the rectifying tower is seriously influenced, because the feed liquid with high viscosity is firstly adhered to the surface of the tower plates 13, along with thickening of impurity feed liquid adhered on the flowing tower plates 13 of the feed liquid, the impurity feed liquid flows into the inner side walls of the through holes 14 when passing through the through holes 14, the through holes 14 are gradually blocked along with increasing of the flowing viscous feed liquid, so that gas is difficult to flow out of the through holes 14, the working efficiency of the rectifying tower is reduced, the feed liquid adhered on the surface of the tower plates 13 cannot directly flow into the through holes 14 through the slag blocking pipes 15, the adhered impurity feed liquid is adhered to the outer surfaces of the slag blocking pipes 15 under the pushing of the feed liquid, and only the feed liquid passing through the pipe openings of the slag blocking pipes 15 can remain a little feed liquid to enter the slag blocking pipes 15, the adhesion feed liquid gathers on the inner wall after flowing into the skim pipe 15, along with the increase of feed liquid, can move downwards gradually, when passing through annular groove 17, because the sudden sunken of pipe wall, impurity feed liquid can form the liquid drop in annular groove 17 notch position, simultaneously from the lower gas that upwards flows, can enter into recess 74 when passing through annular groove 17, then outwards flow out along recess 74, impurity feed liquid breaks away from the skim pipe 15 inner wall, by blowing out skim pipe 15 under the effect of air current, through the setting of skim pipe 15, the condition that through-hole 14 was blocked up has been reduced, make the rectifying column have higher throughput for a long time when handling the feed liquid that viscosity is big or have the granule, the work efficiency of rectifying column has been promoted, tower body 11 that the multistage concatenation formed simultaneously for the rectifying column can be more convenient and pertinence when the maintenance.

As shown in fig. 3, a plurality of diversion grooves 2 are formed on the surface of the column plate 13; due to the arrangement of the slag blocking pipe 15, certain obstruction is formed on the flow of the feed liquid, certain influence is caused on the flow velocity of the feed liquid, the flow velocity of the feed liquid on the tower plate 13 can be promoted through the flow guiding groove 2, meanwhile, the contact area between the feed liquid and the tower plate 13 is increased through the flow guiding groove 2, the capability of adhering impurities on the tower plate 13 is improved, and the accumulation of the impurities on the surface of the slag blocking pipe 15 is reduced to a certain extent.

As shown in fig. 4, a side hole 3 is formed on one side of the surface of the slag blocking pipe 15, which is close to the downcomer 16; the slag blocking pipe 15 enables the contact position of gas and liquid to be far away from the tower plate 13, the contact time and the mixing degree of the gas and the liquid are reduced, partial gas is contacted with feed liquid close to the tower plate 13 through the side holes 3, the contact area and the contact time of the gas and the feed liquid are increased, the liquid and the liquid are mixed more thoroughly, and the quality and heat exchange effect between the gas and the liquid is improved.

The outer surface of the slag blocking pipe 15 is fixedly connected with a connecting ring 4 through a torsion spring; the connecting ring 4 is fixedly connected with a first baffle 41; a first scraping plate 42 is fixedly connected to the connecting ring 4; the first scraping plate 42 and the first baffle 41 are respectively positioned at two sides of the slag blocking pipe 15, and the surface of the first baffle 41 is perpendicular to the flowing direction of the liquid; a cavity 43 is formed in the first scraping plate 42; a slag guide port 44 is arranged on the side surface of the cavity 43 near the slag guide pipe, and the slag guide port 44 is near the downcomer 16; the time that the rectifying column worked is longer, a large amount of impurity has been gathered on the surface of pushing off the slag pipe 15, when the time of rectifying column work overlength, the impurity flows from pushing off the slag pipe 15 bottom to the top, and then get into pushing off the slag pipe 15 inside, pushing off the slag pipe 15 and keeping away from the impurity clearance that one side was accumulated of downcomer 16 through first scraper blade 42 in order to reduce the maintenance number of times, during operation, the feed liquid flows through pushing off first baffle 41 and rotates when pushing off slag pipe 15, through the connection of go-between 4, first scraper blade 42 also rotates, after the rectifying column accomplished once work, the feed liquid is when not flowing, the torsional spring makes first baffle 41 reset, first scraper blade 42 also resets simultaneously, when first scraper blade 42 rotates, can hang the adhesion at the surface of pushing off slag pipe 15 and sweep, the impurity can enter into inside first scraper blade 42 from leading the slag mouth 44, reduce the impurity of pushing off slag pipe 15 surface adhesion, reduce the frequency of rectifying column maintenance, practice thrift use cost.

A second baffle 5 is fixedly connected to one side, close to the first baffle 41, of the connecting ring 4, and the second baffle 5 is positioned between the first baffle 41 and the first scraping plate 42; because first baffle 41 rotates around leading the sediment pipe under the promotion of feed liquid, along with rotation angle's increase, the effort that the feed liquid acted on first baffle 41 reduces, and the reaction force of torsional spring also became big simultaneously, and then first scraper blade 42 pivoted angle is less, through second baffle 5, when first baffle 41 rotates extreme position, second baffle 5 rotates the position of perpendicular to feed liquid flow direction, second baffle 5 rotates under the promotion of feed liquid, first scraper blade 42 further rotates, when the rectifying column finishes work, the scope of scraping of first scraper blade 42 is bigger, the scraping ability of first scraper blade 42 has further been promoted.

As shown in fig. 5, the slag guide opening 44 is provided with an inclined plane 6 at a position close to the slag blocking pipe 15; when the first scraper 42 cleans the surface of the slag-off pipe 15, the inclined slag-guiding opening 44 can guide the entered impurities, and the impurities can enter the cavity 43 more easily.

The slag guide port 44 is positioned close to the pipe orifice of the slag blocking pipe 15; because the impurity on the slag blocking pipe 15 flows from the bottom of the slag blocking pipe 15 to the pipe mouth direction, and then enters into the slag blocking pipe 15, the situation that the through hole 14 is blocked by the impurity can be reduced by cleaning the impurity close to the pipe mouth of the slag blocking pipe 15, and because the space for storing the impurity in the first scraping plate 42 is limited, the time interval for cleaning the first scraping plate 42 can be prolonged, the maintenance frequency is reduced, and the maintenance cost is reduced.

A chute 7 is arranged on the surface of the first scraping plate 42 at a position close to the slag guide port 44; a third baffle 71 is connected in a sliding way in the chute 7; a plurality of springs 72 are fixedly connected between the bottom of the chute 7 and the third baffle 71; the third baffle 71 is provided with a sliding hole 75 at a position close to the surface of the slag blocking pipe 15; the sliding rod 73 is slidably connected to the sliding hole 75: the end part of the sliding rod 73 is fixedly connected with the third baffle 71; a groove 74 is formed in the slag blocking pipe 15 at the limit position corresponding to the rotation of the first scraping plate 42, and the end part of the sliding rod 73 is positioned in the groove 74; in order to reduce impurities in the cavity 43 from being flushed out of the cavity 43 by feed liquid when the next rectifying tower works, when the first rotating plate is at the limit position, the spring 72 ejects the third baffle plate 71, the third baffle plate 71 seals the slag guide port 44, when the first scraping plate 42 rotates, the end part of the sliding rod 73 is in contact with the surface of the slag blocking pipe 15, the sliding rod 73 pushes the third baffle plate 71 back into the sliding groove 7, so that impurities can enter the cavity 43, the condition that the impurities flow out of the cavity 43 is reduced, and secondary pollution of the impurities to the feed liquid is reduced.

An L-shaped connecting rod 8 is fixedly connected to the top of the first scraper 42; the end part of the L-shaped connecting rod 8 is fixedly connected with a second scraping plate 81; when the first scraper 42 rotates, the second scraper 81 also rotates through the connection of the L-shaped connecting rod 8, and the second scraper 81 scrapes and sweeps the inner surface of the slag-off pipe 15, so that the condition that the slag-off pipe 15 is blocked is further reduced.

Example two

As shown in fig. 6, in comparative example one, another embodiment of the present utility model is: an elastic cloth 9 is fixedly connected between the sliding rod 73 and the first scraping plate 42, and the elastic cloth 9 covers the sliding holes 75; the impurity is stained with and can influence the slip of slide bar 73 in attaching to slide bar 73, and then can make slide bar 73 block, influences the rotation of first scraper blade 42, through elasticity cloth 9, has reduced the impurity and has stained with on the slide bar 73, guarantees the gliding effect of slide bar 73, has promoted the stability of device.

During operation, through the slag blocking pipe 15, the feed liquid adhered to the surface of the column plate 13 cannot directly flow into the through hole 14, the adhered impurity feed liquid can be adhered to the outer surface of the slag blocking pipe 15 under the pushing of the feed liquid, only a part of feed liquid which passes through the mouth of the slag blocking pipe 15 can remain in the slag blocking pipe 15, the adhered feed liquid is gathered on the inner wall after flowing into the slag blocking pipe 15, the feed liquid gradually moves downwards along with the increase of the feed liquid, when the feed liquid passes through the annular groove 17, the impurity feed liquid can form liquid drops at the notch position of the annular groove 17 due to the abrupt sinking of the pipe wall, meanwhile, the gas flowing from bottom to top enters the groove 74 when passing through the annular groove 17, then flows outwards along the groove 74, the impurity feed liquid is separated from the inner wall of the slag blocking pipe 15, and is blown out of the slag blocking pipe 15 under the action of air current. The flow speed of the feed liquid on the tower plate 13 can be promoted through the flow guide groove 2, meanwhile, the contact area of the feed liquid and the tower plate 13 is increased through the flow guide groove 2, the impurity adhering capacity of the tower plate 13 is improved, and the accumulation of impurities on the surface of the slag blocking pipe 15 is reduced to a certain extent. Through the side hole 3, partial gas contacts with the feed liquid close to the tower plate 13, so that the contact area and contact time of the gas and the feed liquid are increased, the liquid and the liquid are mixed more thoroughly, and the quality and heat exchange effects between the gas and the liquid are improved. The impurity that one side accumulation was kept away from downcomer 16 through first scraper blade 42 with the skim tube 15 is cleared up, during operation, when the feed liquid flowed through skim tube 15, can promote first baffle 41 rotation, through the connection of go-between 4, first scraper blade 42 also rotates, when the rectifying column accomplished once work after, the feed liquid was not when flowing, the torsional spring makes first baffle 41 reset, first scraper blade 42 also resets simultaneously, when first scraper blade 42 rotates, can hang the surface of adhesion at skim tube 15 and sweep, the impurity can enter into inside first scraper blade 42 from leading cinder notch 44, reduce the impurity of skim tube 15 surface adhesion. Through the second baffle 5, when first baffle 41 rotates extreme position, second baffle 5 rotates the position of perpendicular to feed liquid flow direction, and second baffle 5 rotates under the promotion of feed liquid, and first scraper blade 42 further rotates, and when the rectifying column finishes the work, first scraper blade 42 scrapes the scope of sweeping bigger. When the first scraper 42 cleans the surface of the slag-off pipe 15, the inclined slag-guiding opening 44 can guide the entered impurities, and the impurities can enter the cavity 43 more easily. The situation that the through hole 14 is blocked by impurities can be reduced by cleaning the impurities close to the pipe orifice of the slag blocking pipe 15, and the time interval for cleaning the first scraping plate 42 can be prolonged, the maintenance frequency is reduced, and the maintenance cost is reduced because the space for storing the impurities in the first scraping plate 42 is limited. When the first rotating plate is at the limit position, the spring 72 ejects the third baffle plate 71, the third baffle plate 71 seals the slag guide port 44, when the first scraping plate 42 rotates, the end part of the sliding rod 73 is in contact with the surface of the slag blocking pipe 15, the sliding rod 73 pushes the third baffle plate 71 back into the sliding groove 7, impurities can enter the cavity 43, and the condition that the impurities flow out of the cavity 43 is reduced. The second scraper 81 is also rotated by the connection of the L-shaped connection rod 8, and the second scraper 81 scrapes and sweeps the inner surface of the slag-off pipe 15.

The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a sectional type rectifying column that work efficiency is high which characterized in that: comprises a tower seat (1); the top of the tower seat (1) is fixedly connected with a plurality of sections of tower bodies (11), and the sections of tower bodies (11) are connected through flanges; the top of the tower body (11) is fixedly connected with a tower top (12); a plurality of tower plates (13) are fixedly connected in the tower body (11); a downcomer (16) is fixedly connected between the tower plate (13) and the inner wall of the tower body (11); a plurality of through holes (14) are uniformly formed in the surface of the column plate (13); a slag blocking pipe (15) is fixedly connected to the surface of the column plate (13) at a position corresponding to the through hole (14); an annular groove (17) is formed in the inner surface of the slag blocking pipe (15) at a position close to the pipe orifice.

2. The high efficiency segmented rectifying column of claim 1, wherein: the surface of the column plate (13) is provided with a plurality of diversion grooves (2).

3. The high efficiency segmented rectifying column of claim 1, wherein: a side hole (3) is arranged on one side of the surface of the slag blocking pipe (15) close to the downcomer (16).

4. The high efficiency segmented rectifying column of claim 1, wherein: the outer surface of the slag blocking pipe (15) is fixedly connected with a connecting ring (4) through a torsion spring; the connecting ring (4) is fixedly connected with a first baffle (41); a first scraping plate (42) is fixedly connected to the connecting ring (4); the first scraping plate (42) and the first baffle plate (41) are respectively positioned at two sides of the slag blocking pipe (15), and the surface of the first baffle plate (41) is perpendicular to the flowing direction of the liquid; a cavity (43) is formed in the first scraping plate (42); a slag guide opening (44) is formed in the side surface of the cavity (43) close to the slag guide pipe, and the slag guide opening (44) is close to the downcomer (16).

5. The high efficiency segmented rectifying column of claim 4, wherein: the connecting ring (4) is fixedly connected with a second baffle (5), and the second baffle (5) is positioned between the first baffle (41) and the first scraping plate (42).

6. The high efficiency segmented rectifying column of claim 4, wherein: an inclined plane (6) is arranged at the position of the slag blocking pipe (15) which is close to the slag guide opening (44).

7. The high efficiency segmented rectifying column of claim 6, wherein: the slag guide opening (44) is positioned close to the pipe orifice of the slag blocking pipe (15).

8. The high efficiency segmented rectifying column of claim 7, wherein: a chute (7) is formed in the surface of the first scraping plate (42) at a position close to the slag guide opening (44); a third baffle (71) is connected in a sliding way in the sliding groove (7); a plurality of springs (72) are fixedly connected between the bottom of the chute (7) and the third baffle (71); a sliding hole (75) is formed in the position, close to the surface of the slag blocking pipe (15), of the third baffle (71); a sliding rod (73) is connected in the sliding hole (75) in a sliding way: the end part of the sliding rod (73) is fixedly connected with the third baffle (71); a groove (74) is formed in the position, corresponding to the rotation limit position of the first scraping plate (42), of the slag blocking pipe (15), and the end portion of the sliding rod (73) is located in the groove (74).

9. The high efficiency segmented rectifying column of claim 4, wherein: an L-shaped connecting rod (8) is fixedly connected to the top of the first scraping plate (42); the end part of the L-shaped connecting rod (8) is fixedly connected with a second scraping plate (81).

10. The high efficiency segmented rectifying column of claim 8, wherein: an elastic cloth (9) is fixedly connected between the sliding rod (73) and the first scraping plate (42), and the sliding hole (75) is covered by the elastic cloth (9).

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