CN211935810U

CN211935810U - Bottom acid outlet flow guide pipe of dry absorption tower

Info

Publication number: CN211935810U
Application number: CN202020162277.5U
Authority: CN
Inventors: 李勇
Original assignee: Ningxia Zhongtai Furui Technology Co ltd
Current assignee: Ningxia Zhongtai Furui Technology Co ltd
Priority date: 2020-02-11
Filing date: 2020-02-11
Publication date: 2020-11-17
Anticipated expiration: 2030-02-11

Abstract

The utility model discloses a dry absorption tower bottom goes out sour mouthful honeycomb duct relates to dry absorption tower technical field, comprising a tower body, the bottom of tower body is provided with the feed opening, the below of feed opening is provided with the filter-tank, and the one end at filter-tank top and one side are connected with into acid pipe and play acid pipe respectively, the ring flange has all been welded to the one end of filter-tank and the bottom of feed opening, the top welding of advancing acid pipe has the first fixed disk of mutually supporting with the ring flange, and the inside of first fixed disk is provided with the recess. The utility model discloses an acid inlet pipe and the play acid pipe that the filter tank is connected, first fixed disk and second fixed disk can be dismantled with the ring flange and be connected, make things convenient for the pipeline to dismantle the change, and will follow the filler piece that brings in the acid inlet pipe through the filter screen and block, make the fluid draw forth the circulation tank through going out the acid pipe, the filter screen can be dismantled with the filter tank, filter tank and tower body can be dismantled, conveniently carry out the change of impurity clearance and filter tank.

Description

Bottom acid outlet flow guide pipe of dry absorption tower

Technical Field

The utility model relates to a dry absorption tower technical field specifically is a dry absorption tower bottom delivery nozzle.

Background

In the production of sulfuric acid, sulfur-containing flue gas enters a drying tower and is dried by 93% sulfuric acid and then enters a conversion system, S03-containing flue gas after primary-secondary conversion respectively enters sulfuric acid with the concentration of 98% to absorb sulfur trioxide, and the sulfuric acid after drying and absorption respectively returns to a circulation tank from an acid outlet at the bottom of an absorption tower.

And like the maintenance time overlength of stopping production when annual overhaul, can cause in the absorption dry tower after moisture absorption at the sour mouthful outflow diluted acid in the bottom of the tower, can produce serious corruption to the play sour pipe of tower to influence the life of its play sour pipe, and current play sour mouthful single structure, the inside filler piece of dry absorption tower is taken to the circulation groove, makes its result of use not good.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the acid outlet pipe is seriously corroded when the acid body flows out of the dry absorption tower, so that the service life of the acid outlet pipe is influenced, the existing acid outlet is single in structure, and the filler fragments in the dry absorption tower are brought to the circulating groove, so that the using effect is not good, the guide pipe for the acid outlet at the bottom of the dry absorption tower is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dry absorption tower bottom play sour mouthful honeycomb duct, includes the tower body, the bottom of tower body is provided with the feed opening, the below of feed opening is provided with the filter-tank, and the one end at filter-tank top and one side are connected with respectively and advance sour pipe and go out sour pipe, the ring flange has all been welded to the one end of filter-tank and the bottom of feed opening, the top welding of advancing sour pipe has the first fixed disk of mutually supporting with the ring flange, and the inside of first fixed disk is provided with the recess, the inside of recess is fixed with the spacing post of multiunit, the one end of filter-tank is provided with the second fixed disk, and the inside of second fixed disk is fixed with the screw thread ring, the outside threaded connection of screw thread ring has the.

Preferably, the outer sides of the first fixed disk and the second fixed disk are provided with mounting holes corresponding to the flange plates.

Preferably, the top of the filter screen is provided with an acid inlet matched with the acid inlet pipe.

Preferably, a sleeve is arranged on the inner side of the groove, and a cross partition plate is fixed on the inner side of the sleeve.

Preferably, the inner side of the sleeve is provided with a plurality of groups of through holes matched with the limiting columns.

Preferably, the feed opening and the acid inlet pipe have the same diameter.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model has the advantages that the first fixed disk and the second fixed disk are detachably connected with the flange plate through the acid inlet pipe and the acid outlet pipe which are connected with the filter tank, so that the pipeline can be conveniently detached and replaced;

2. the utility model discloses a filter screen will be followed and is advanced the filler piece that brings in the acid tube and block, makes the fluid draw forth the circulation tank through going out the acid tube, and the filter screen can be dismantled with the filter-tank, and filter-tank and tower body can be dismantled, conveniently carry out the change of impurity clearance and filter-tank.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the structure of the flange and the acid inlet pipe of the present invention;

fig. 3 is a schematic structural view of the first fixing tray of the present invention;

fig. 4 is a schematic structural diagram of the sleeve of the present invention.

In the figure: 1. a tower body; 2. a feeding port; 3. a flange plate; 4. a filter tank; 5. an acid inlet pipe; 6. a first fixed disk; 7. a groove; 8. a limiting column; 9. a sleeve; 10. a through hole; 11. a cross partition plate; 12. an acid outlet pipe; 13. a second fixed disk; 14. a filter screen; 15. a threaded ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a bottom acid outlet flow guide pipe of a dry absorption tower comprises a tower body 1, a feed opening 2 is arranged at the bottom of the tower body 1, a filter tank 4 is arranged below the feed opening 2, one end and one side of the top of the filter tank 4 are respectively connected with an acid inlet pipe 5 and an acid outlet pipe 12, flange plates 3 are welded at one end of the filter tank 4 and the bottom of the feed opening 2, a first fixing plate 6 matched with the flange plates 3 is welded at the top of the acid inlet pipe 5, a groove 7 is arranged inside the first fixing plate 6, a plurality of groups of limiting columns 8 are fixed inside the groove 7, a second fixing plate 13 is arranged at one end of the filter tank 4, a threaded ring 15 is fixed inside the second fixing plate 13, and a filter screen 14 is in threaded connection with the outer side of the threaded ring 15.

The utility model discloses a filter screen 14 will be followed and advanced the packing piece that brings in acid pipe 5 and block, make the fluid draw forth the circulating bath through acid pipe 12, filter screen 14 can be dismantled with filter tank 4, and filter tank 4 and tower body 1 can be dismantled, conveniently carry out the change of impurity clearance and filter tank 4.

Please refer to fig. 1 and 2, the outer sides of the first fixing plate 6 and the second fixing plate 13 are respectively provided with a mounting hole corresponding to the flange 3, so that the acid inlet pipe 5 and the acid outlet pipe 12 can be conveniently detached, and the filter screen 14 can be conveniently mounted and taken out.

Please refer to fig. 2, the top of the filtering net 14 is provided with an acid inlet matched with the acid inlet pipe 5, so that the liquid can enter the filtering net 14 more conveniently for filtering operation.

Please refer to fig. 3 and 4, the inner side of the groove 7 is provided with a sleeve 9, and a cross-shaped partition 11 is fixed on the inner side of the sleeve 9 to prevent vortex and reduce gas leakage.

Please refer to fig. 3 and 4, the inner side of the sleeve 9 is provided with a plurality of sets of through holes 10 cooperating with the position-limiting posts 8, so that the position-limiting posts 8 position the sleeve 9 to achieve a better fixing effect.

Please refer to fig. 3, the diameter of the feed opening 2 is the same as that of the acid inlet pipe 5, so that the flange 3 at the bottom of the feed opening 2 supports the sleeve 9 to assist the fixing of the sleeve 9.

The working principle is as follows: when sour liquid passes through feed opening 2 discharge, make liquid enter into first fixed disk 6, then enter into cross baffle 11, prevent the liquid vortex, then liquid enters into sour mouthful through advancing acid pipe 5, then get into filter screen 14 in and block the impurity piece that exists in with liquid, make liquid discharge to the circulation tank through acid pipe 12, through the bolt and nut of flange plate 3 on dismantling fixed second fixed disk 13 and filter tank 4, rotate filter screen 14 and dismantle from threaded ring 15, can conveniently clear up filter screen 14 impurity, dismantle flange plate 3, make filter tank 4, it can unpick and wash to advance acid pipe 5 and acid pipe 12, convenient washing is changed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a dry absorption tower bottom play sour mouthful honeycomb duct, includes tower body (1), its characterized in that: the bottom of tower body (1) is provided with feed opening (2), the below of feed opening (2) is provided with filter tank (4), and the one end at filter tank (4) top and one side are connected with into acid tube (5) and acid outlet pipe (12) respectively, ring flange (3) have all been welded to the one end of filter tank (4) and the bottom of feed opening (2), the top welding of entering acid tube (5) has first fixed disk (6) of mutually supporting with ring flange (3), and the inside of first fixed disk (6) is provided with recess (7), the inside of recess (7) is fixed with spacing post of multiunit (8), the one end of filter tank (4) is provided with second fixed disk (13), and the inside of second fixed disk (13) is fixed with screw ring (15), the outside threaded connection of screw ring (15) has filter screen (14).

2. The draft tube at the bottom acid outlet of the dry absorption tower according to claim 1, wherein: the outer sides of the first fixed disk (6) and the second fixed disk (13) are provided with mounting holes corresponding to the flange plates (3).

3. The draft tube at the bottom acid outlet of the dry absorption tower according to claim 1, wherein: the top of the filter screen (14) is provided with an acid inlet matched with the acid inlet pipe (5).

4. The draft tube at the bottom acid outlet of the dry absorption tower according to claim 1, wherein: the inner side of the groove (7) is provided with a sleeve (9), and the inner side of the sleeve (9) is fixed with a cross-shaped clapboard (11).

5. The draft tube at the bottom acid outlet of the dry absorption tower according to claim 4, wherein: the inner side of the sleeve (9) is provided with a plurality of groups of through holes (10) which are matched with the limiting columns (8).

6. The draft tube at the bottom acid outlet of the dry absorption tower according to claim 1, wherein: the diameters of the feed opening (2) and the acid inlet pipe (5) are the same.