CN110975532A

CN110975532A - Jet rotary distributor

Info

Publication number: CN110975532A
Application number: CN202010031721.4A
Authority: CN
Inventors: 吴秀云; 曹科; 张耀明; 郝旭贵; 王军威
Original assignee: Pingdingshan Shenying Chemical Technology Co ltd
Current assignee: Pingdingshan Shenying Chemical Technology Co ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-04-10

Abstract

The invention discloses a jet rotating distributor which comprises an absorption tower, a connecting pipe and a circulating pump, wherein a water inlet and a water pumping port are formed in the side wall of the absorption tower, the water inlet is located at the top of the absorption tower, the water pumping port is located at the bottom of the absorption tower, the circulating pump is respectively connected with the water pumping port and the water inlet through a pipeline, an installation frame is arranged at the top in the absorption tower, a central joint is installed at the bottom of the installation frame, the connecting pipe is installed at the water inlet end of the central joint and connected with the water inlet, a plurality of flow guide pipes are arranged around the outer side of the central joint, and a plurality of water spray pipes are uniformly. Has the advantages that: the absorbent at the bottom of the absorption tower is sprayed onto the turbofan through the circulating pump, the turbofan is driven to rotate, the absorbent is thrown out by the rotating turbofan through centrifugal force, and the absorbent is uniformly dispersed by matching with the impact action between the absorbent and the surface of the turbofan, so that the distribution uniformity of the absorbent is improved.

Description

Jet rotary distributor

Technical Field

The invention relates to the technical field of chemical production equipment, in particular to a jet rotary distributor.

Background

An absorption tower is a device that performs an absorption operation. Usually, a countercurrent operation is adopted, the absorbent flows from top to bottom in the tower top, and contacts with the gas flowing from bottom to top, the liquid absorbed with the absorbent is discharged from the bottom of the tower, and the purified gas is discharged from the top of the tower.

In the prior art, the absorber usually sprays the absorbent downwards from the top of the tower by using a distributor, so as to ensure that the absorbent is uniformly contacted with gas flowing from bottom to top, the distributor of the absorber usually adopts a branch type porous structure, and when the distributor is used for an alkaline washing tower or an alkaline spraying absorber, the situation that the spraying holes of the distributor are blocked can often occur, so that the gas purification effect is influenced.

Disclosure of Invention

The present invention has been made to solve the above problems, and it is an object of the present invention to provide a jet rotary distributor which sprays an absorbent on the bottom of an absorption tower onto a turbofan by a circulation pump, and further rotates the turbofan, and uniformly disperses the absorbent by centrifugal force of the rotating turbofan, thereby improving an adsorption effect of impurities in a gas phase.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention provides a jet rotating distributor, which comprises an absorption tower, a connecting pipe and a circulating pump, wherein a water inlet and a water pumping port are arranged on the side wall of the absorption tower, the water inlet is positioned at the top of the absorption tower, the water pumping port is positioned at the bottom of the absorption tower, the circulating pump is respectively connected with the water pumping port and the water inlet through a pipeline, a mounting frame is arranged at the top in the absorption tower, a central joint is arranged at the bottom of the mounting frame, the connecting pipe is arranged at the water inlet end of the central joint, the connecting pipe is connected with the water inlet, a plurality of flow guide pipes are arranged around the outer side of the central joint, a plurality of water spray pipes are uniformly arranged at the bottom of each flow guide pipe, a fixing ring is arranged in the absorption tower and is positioned below the water spray pipes, a, and a rotatable turbofan is arranged in the mounting hole.

Preferably, the turbofan is rotatably engaged with the mounting hole through a fixed bearing.

Preferably, the turbofan includes pivot and flabellum, the pivot is installed in the mounting hole, the pivot outside is encircleed and is provided with a plurality of flabellums.

Preferably, the fan blades are arranged obliquely.

Preferably, the water spraying pipe is arranged obliquely, and the oblique direction of the water spraying pipe is perpendicular to the oblique direction of the fan blade.

Preferably, the guide pipe and the fixing frame are arranged in a staggered mode.

Has the advantages that:

on spouting the turbofan with the absorbent in absorption tower bottom through the circulating pump, the drive turbofan is rotatory, and rotatory turbofan throws away the absorbent through centrifugal force, and the impact between cooperation absorbent and the turbofan surface makes absorbent homodisperse to promote the homogeneity of absorbent distribution, improve the adsorption effect of impurity in the gaseous phase.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a main structural view of the present invention;

FIG. 2 is an enlarged view of the turbofan structure of the present invention;

FIG. 3 is a cross-sectional view A-A of the present invention;

FIG. 4 is a cross-sectional view B-B of the present invention;

FIG. 5 is a cross-sectional view C-C of the present invention.

The reference numerals are explained below:

1. an absorption tower; 2. an air inlet; 3. a tray; 4. a turbofan; 401. a rotating shaft; 402. a fan blade; 5. a flow guide pipe; 6. a central joint; 7. a mounting frame; 8. an exhaust port; 9. a connecting pipe; 10. a water inlet; 11. a circulation pump; 12. a water pumping port; 13. a water spray pipe; 14. a fixing ring; 15. fixing the bearing; 16. a fixed mount; 17. and (7) installing holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

Referring to fig. 1-5, the invention provides a jet rotating distributor, comprising an absorption tower 1, a connecting pipe 9 and a circulating pump 11, wherein a tray 3 for making gas phase and liquid phase in the tower fully contact is installed in the absorption tower 1 through screws, an air inlet 2 is arranged on the side wall of the absorption tower 1, the air inlet 2 is positioned below the tray 3, an exhaust port 8 is arranged at the top of the absorption tower 1, a water inlet 10 and a water pumping port 12 are arranged on the side wall of the absorption tower 1, the water inlet 10 is positioned at the top of the absorption tower 1, the water pumping port 12 is positioned at the bottom of the absorption tower 1, the circulating pump 11 is respectively connected with the water pumping port 12 and the water inlet 10 through pipes, the circulating pump 11 can pump absorbent liquid at the bottom of the absorption tower 1 out of the water pumping port 12 and is introduced into the absorption tower 1 again through the water inlet 10, so as to realize the recycling, the bottom of the mounting frame 7 is provided with a central joint 6 through a screw, the water inlet end of the central joint 6 is provided with a connecting pipe 9, the connecting pipe 9 is connected with a water inlet 10 and is used for introducing an absorbent pumped out from a water pumping port 12 by a circulating pump 11 into the central joint 6, six guide pipes 5 are welded around the outer side of the central joint 6, the guide pipes 5 are communicated with the central joint 6, seven spray pipes 13 are uniformly welded at the bottom of each guide pipe 5, the absorbent in the central joint 6 is sprayed out from the spray pipes 13 through the guide pipes 5, and the blockage of the spray pipes 13 of the distributor can be effectively relieved because the diameters of the spray pipes 13 are larger than the diameters of spray holes of the traditional distributor, meanwhile, the absorbent can be dispersed to all directions through the guide pipes 5 which are arranged around, the spray pipes 13 which are uniformly arranged are convenient to spray out, the spraying uniformity of the absorbent is, fixed ring 14 is installed through the screw inside absorption tower 1, fixed ring 14 is located spray pipe 13 below, fixed ring 14 inner wall has the mount 16 that is cross structure through the screw installation, mounting hole 17 has been seted up to mount 16 central point, install rotatable turbofan 4 in the mounting hole 17, spray pipe 13 spouts the absorbent under circulating pump 11's pressure effect, the absorbent spouts to turbofan 4 under the effect of pressure on, thereby drive turbofan 4 is rotatory, turbofan 4 sprays the absorbent evenly in tower tray 3 and air through centrifugal force simultaneously, contact with the gaseous phase, adsorb impurity in the gaseous phase, and then promote the adsorption effect to impurity in the gaseous phase.

As shown in fig. 2 and 5, the turbofan 4 is rotatably engaged with the mounting hole 17 through the fixed bearing 15, and the fixed bearing 15 can improve the rotational fluency of the turbofan 4.

As shown in fig. 2, the turbofan 4 includes a rotating shaft 401 and fan blades 402, the rotating shaft 401 is installed in the installation hole 17 through the fixed bearing 15, the outer side of the rotating shaft 401 is welded with the fan blades 402 which are arranged in a surrounding manner, the number of the fan blades 402 is twelve, the rotating shaft 401 can drive the fan blades 402 to rotate in the installation hole 17 through the fixed bearing 15, so that the rotating shaft can rotate under the action of the absorbent sprayed from the spray pipe 13, and meanwhile, the absorbent sprayed from the spray pipe 13 is uniformly dispersed through the centrifugal action of the turbofan 4, and further the adsorption effect on impurities in the gas phase is improved.

As shown in fig. 2, the fan blades 402 are arranged obliquely, when the water spraying pipe 13 sprays the absorbent, the absorbent impacts on the fan blades 402, due to the oblique arrangement of the fan blades 402, the absorbent is dispersed to form fine liquid drops after impacting the outer wall of the fan blades 402, and the impact force brought by the absorbent is differentiated into vertical force and horizontal force by the fan blades 402, the rotating shaft 401 is pushed to rotate in the mounting hole 17 under the action of the horizontal force, so as to drive the fan blades 402 to rotate, the fan blades 402 uniformly disperse the absorbent sprayed in the water spraying pipe 13 through centrifugal force, so that the contact area between the absorbent and the gas phase is increased, and the absorption effect of the absorbent on impurities in the gas phase is increased.

As shown in fig. 2 and 4, the spray pipe 13 is obliquely arranged, and the oblique direction of the spray pipe 13 is perpendicular to the oblique direction of the fan blade 402, so that when the spray pipe 13 sprays the absorbent, the spraying direction of the absorbent is perpendicular to the oblique direction of the fan blade 402, the impact force when the absorbent is sprayed is improved, the number of liquid drops generated during impact can be increased, meanwhile, the fan blade 402 can be driven to rotate through the impact of the absorbent, the pressure loss is reduced, the dispersion effect of the absorbent is further improved, and the adsorption effect of the absorbent on impurities in the gas phase is further improved.

As shown in fig. 3, the duct 5 is staggered with the fixing frame 16, so as to prevent the absorbent from being sprayed on the fixing frame 16, and the water spraying pipe 13 can be accurately sprayed on the fan blades 402 when spraying the absorbent, so as to prevent the dispersion effect of the absorbent from being affected, the width of the fixing frame 16 is 20-40mm, preferably, the width of the fixing frame 16 is 30mm, so that the whole strength of the fixing frame 16 is ensured, and at the same time, the width of the fixing frame 16 is shortened, the top surface area of the fixing frame 16 can be reduced, thereby reducing the possibility that the spraying pipe sprays the absorbent on the fixing frame 16, and further improving the dispersion effect of the absorbent.

By adopting the structure, when in use, an operator leads absorbent liquid into the bottom of the absorption tower 1, starts the circulating pump 11, the circulating pump 11 draws the absorbent out of the water pumping port 12 through a pipeline, leads the absorbent into the connecting pipe 9 through the pipeline through the water inlet 10, leads the absorbent into the central joint 6, and branches the absorbent into the flow guide pipe 5 through the distribution function of the central joint 6, the water spray pipe 13 at the bottom of the flow guide pipe 5 sprays the absorbent onto the surface of the turbofan 4 under the pressure action of the circulating pump 11, the turbofan 4 rotates under the impact action of the absorbent, the absorbent generates fine water drops in the impact process, the water drops are driven by the centrifugal force of the turbofan 4 to be uniformly dispersed in the absorption tower, after the absorbent is uniformly dispersed and diffused at the top of the absorption tower 1, gas phase with impurities is led into the absorption tower 1 through the air inlet 2, the gas phase flows from bottom to top, and the absorbent is fully contacted with the gas phase in the tower tray 3, adsorbing impurities in the gas phase by using an absorbent, enabling the adsorbed absorbent to fall into the absorbent at the bottom of the absorption tower 1 downwards under the action of gravity, enabling the gas phase subjected to impurity removal to flow upwards and be discharged from an exhaust port 8, and repeating the operation to realize gas phase purification operation; spout the absorbent to turbofan 4 through circulating pump 11 on, drive turbofan 4 is rotatory, and rotatory turbofan 4 throws away the absorbent through centrifugal force, and the cooperation impact makes absorbent homodisperse to promote the dispersion effect of absorbent, and then increase the adsorption effect of absorbent to impurity in the gaseous phase.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A jet rotating distributor comprises an absorption tower (1), a connecting pipe (9) and a circulating pump (11), and is characterized in that: be provided with water inlet (10) and pumping mouth (12) on absorption tower (1) lateral wall, water inlet (10) are located absorption tower (1) top, pumping mouth (12) are located absorption tower (1) bottom, circulating pump (11) are connected with pumping mouth (12) and water inlet (10) respectively through the pipeline, the top is provided with mounting bracket (7) in absorption tower (1), central joint (6) is installed to mounting bracket (7) bottom, connecting pipe (9) are installed to central joint (6) end of intaking, connecting pipe (9) are connected with water inlet (10), the central joint (6) outside is encircleed and is provided with a plurality of honeycomb ducts (5), every honeycomb duct (5) bottom evenly is provided with a plurality of spray pipes (13), absorption tower (1) internally mounted has solid fixed ring (14), gu fixed ring (14) are located spray pipe (13) below, the fixing frame (16) with a cross structure is installed on the inner wall of the fixing ring (14), a mounting hole (17) is formed in the center of the fixing frame (16), and a rotatable turbofan (4) is installed in the mounting hole (17).

2. The jetting rotary distributor of claim 1, wherein: the turbofan (4) is in running fit with the mounting hole (17) through a fixed bearing (15).

3. The jetting rotary distributor of claim 2, wherein: turbofan (4) are including pivot (401) and flabellum (402), pivot (401) are installed in mounting hole (17), pivot (401) outside is encircleed and is provided with a plurality of flabellums (402).

4. The jetting rotary distributor of claim 1, wherein: the fan blades (402) are arranged obliquely.

5. The jetting rotary distributor of claim 4, wherein: the water spray pipe (13) is obliquely arranged, and the oblique direction of the water spray pipe (13) is perpendicular to the oblique direction of the fan blades (402).

6. The jetting rotary distributor of claim 1, wherein: the guide pipes (5) and the fixed frame (16) are arranged in a staggered mode.