CN209934457U

CN209934457U - Pipeline reactor

Info

Publication number: CN209934457U
Application number: CN201920521489.5U
Authority: CN
Inventors: 牛凯伟
Original assignee: Hebei Pinchen Environmental Protection Technology Co Ltd
Current assignee: Hebei Pinchen Environmental Protection Technology Co Ltd
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-01-14
Anticipated expiration: 2029-04-17

Abstract

The utility model discloses a pipeline reactor, be the cylinder of air inlet including the vertical and top of axis, in be equipped with the first sprayer of loudspeaker form that has the injection chamber in the cylinder, the injection chamber through a plurality of axis inclines ascending first atomizing nozzle along first sprayer with the inside intercommunication of cylinder, first sprayer with the axis coincidence of cylinder and the big footpath end of first sprayer up, in be connected with on the cylinder with the feed liquor pipe of injection chamber intercommunication. The utility model has the characteristics of gas, the double-phase abundant contact of liquid and contact time are long, are applicable to hydrogen sulfide processing technique among the chemical industry field.

Description

Pipeline reactor

Technical Field

The utility model belongs to hydrogen sulfide processing technology in the chemical industry field, specifically speaking relates to a pipeline reactor.

Background

In chemical industry, gas desulfurization usually uses alkaline substances as desulfurization solution, and hydrogen sulfide in the gas reacts with the desulfurization solution and is removed by the contact of the desulfurization solution and sulfur-containing gas. The reaction effect of hydrogen sulfide and desulfurizing liquid depends on the contact area and contact time of gas and liquid. The existing pipeline reactors are: the desulfurization liquid is atomized by the spray head and is in gas-liquid two-phase contact with gas in chemical production in a convection mode, so that the contact time is prolonged, but when the gas passes through the pipeline reactor, the gas containing hydrogen sulfide in the process of passing through the pipeline reactor cannot be fully contacted with the desulfurization liquid due to the fact that the flow rate of the gas is high, namely the contact area of the two phases is small, and the hydrogen sulfide cannot be fully removed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a gas-liquid two-phase pipeline reactor which is fully contacted and has long contact time.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a pipeline reactor, includes the cylinder that the vertical and top of axis is the air inlet, in be equipped with the first sprayer of loudspeaker form that has the injection chamber in the cylinder, the injection chamber through a plurality of axis slant ascending first atomizing mouths of first sprayer of edge with the inside intercommunication of cylinder, first sprayer with the axis coincidence of cylinder and the big footpath end of first sprayer up, in be connected with on the cylinder with the feed liquor pipe of injection chamber intercommunication.

Further, the spray chamber include with the equipartition chamber of feed liquor pipe intercommunication and communicate in the atomizing chamber of equipartition chamber top, the bore of atomizing chamber axial-section is less than the bore of equipartition chamber axial-section, a plurality of first atomizing nozzle communicate in evenly the atomizing chamber.

Further, a second ejector communicated with the first ejector is arranged at the center of the first ejector.

Furthermore, the second sprayer comprises a pipe body with two axial ends closed, the pipe body is overlapped with the axis of the first sprayer, and a plurality of second atomizing nozzles are uniformly arranged on the side wall of the pipe body.

Further, the lower part of body through communicating pipe communicate in the lower part of spraying the chamber, just the pipe diameter of communicating pipe is less than the pipe diameter of feed liquor pipe.

Furthermore, the second sprayer includes hollow cone, the summit of cone is up, just the axis coincidence of cone and first sprayer installs the second atomizing mouth of a plurality of and cone cavity position intercommunication evenly on the outer wall of cone.

Furthermore, the lower part of the cone is communicated with the lower part of the injection cavity through a communicating pipe, and the pipe diameter of the communicating pipe is smaller than that of the liquid inlet pipe.

Further, the pipeline reactor comprises a plurality of pipeline reactors which are arranged at intervals along the extending direction of the pipeline containing the hydrogen sulfide gas.

The utility model discloses owing to adopted foretell structure, it compares with prior art, and the technical progress who gains lies in: the gas containing hydrogen sulfide flows downwards along the axial direction of the cylinder from the top of the cylinder, the desulfurization liquid enters the spraying cavity of the first sprayer from the liquid inlet pipe and is atomized and sprayed out through a plurality of first atomizing nozzles, the atomized desulfurization liquid is continuously contacted with the gas containing hydrogen sulfide in the process that the gas containing hydrogen sulfide passes through the first sprayer as the first sprayer coincides with the axis of the cylinder and the large-diameter end of the first sprayer faces upwards, and the upper part of the first sprayer also becomes a reaction zone as the first atomizing nozzle is inclined upwards along the axis of the first sprayer, and the gas containing hydrogen sulfide and the atomized liquid are in approximate convection due to the design of the first atomizing nozzle, so that on one hand, the contact time of the gas phase and the liquid phase is prolonged due to the convection, on the other hand, the reaction zone of the gas phase and the liquid phase is increased due to the design of the first sprayer, the contact area of the first ejector and the second ejector is increased, the first ejector is horn-shaped, so that the flow of the gas containing hydrogen sulfide is reduced in the process of passing through the first ejector, the atomized desulfurizer sprayed out from the first atomizing nozzle is fully contacted and reacted with the gas containing hydrogen sulfide, the caliber of the reacted mixture is suddenly increased after passing through the horn-shaped first ejector, the mixed liquid is disturbed and rolled at the position, a bubble layer is formed, and the bubble layer wraps and blocks the sulfur-containing gas which is not carried by the desulfurization liquid, so that the reaction efficiency of gas and liquid phases is improved; therefore, the utility model discloses it is long when improving the contact of the two when can making the double-phase abundant contact of gas, liquid, and then make hydrogen sulfide and doctor solution fully react in the gas that contains hydrogen sulfide.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the connection between the first ejector and the second ejector according to the embodiment of the present invention;

FIG. 3 is a schematic structural view of a first injector and another second injector according to an embodiment of the present invention;

fig. 4 is a sectional view of the first ejector according to the embodiment of the present invention.

Labeling components: 1-cylinder, 2-first ejector, 201-first atomizing nozzle, 202-uniform distribution cavity, 203-atomizing cavity, 3-second ejector, 301-second atomizing nozzle, 4-liquid inlet pipe and 5-communicating pipe.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the invention.

Example a pipe reactor

The embodiment discloses a pipeline reactor, as shown in fig. 1-4, a cylinder 1 is vertically arranged, the top end of the cylinder 1 is an air inlet containing hydrogen sulfide gas, a first ejector 2 is installed in the cylinder 1, the first ejector 2 is in a horn-shaped structure, the axis of the first ejector 2 coincides with the axis of the cylinder 1, and the large-diameter end of the first ejector 2 faces upwards. Wherein, first sprayer 2 has the injection chamber, feed liquor pipe 4 radially runs through cylinder 1 and communicates with the lower part in injection chamber by the outside of cylinder 1 along cylinder 1, as shown in fig. 4, the injection chamber includes equipartition chamber 202 and atomizing chamber 203, equipartition chamber 202 and feed liquor pipe 4 intercommunication, atomizing chamber 203 is formed in the top in equipartition chamber 202 and communicates with equipartition chamber 202, and the bore of atomizing chamber 203 axial cross-section is less than the bore of equipartition chamber 202 axial cross-section, install a plurality of first atomizer 201 on atomizing chamber 203 uniformly, atomizing chamber 203 is linked together through the space that these first atomizer 201 and first sprayer 2 enclose the structure. In the present embodiment, in order to make the hydrogen sulfide-containing gas and the atomized liquid have a phenomenon of approximately convection, the spraying direction of the first atomizing nozzles 201 is inclined upward along the axis of the first sprayer 2. The doctor solution passes through feed liquor pipe 4 and gets into equipartition chamber 202, because equipartition chamber 202 and atomizing chamber 203 junction are formed with two lower surface slopes and the annular plate that is close to each other, form the annular slot between two annular plates, the doctor solution gets into and fills equipartition chamber 202 after equipartition chamber 202, and the rethread annular slot is carried and is pressed and get into atomizing chamber 203 in, later, sprays and go out through first atomizing nozzle 201.

In the present embodiment, in order to atomize the desulfurization solution and sufficiently contact the hydrogen sulfide-containing gas, the second ejector 3 is installed at the center of the first ejector 2, and the lower portion of the second ejector 3 communicates with the lower portion of the first ejector 2 through the communicating pipe 5. Wherein, this embodiment is for making the atomizing degree of the doctor solution by second sprayer 3 spun similar with first sprayer 2, and the pipe diameter of communicating pipe 5 is less than the pipe diameter of feed liquor pipe 4, and the pipe diameter of communicating pipe 5 equals with the bore of atomizing chamber 203 cross-section.

The second ejector 3 of the present embodiment includes two types, as shown in fig. 2, the first type being: the second injector 3 comprises a pipe body, two axial ends of the pipe body are closed, the pipe body is overlapped with the axis of the first injector 2, and a plurality of second atomizing nozzles 301 are uniformly arranged on the side wall of the pipe body; as shown in fig. 3, the second is: the second injector 3 comprises a hollow cone, the vertex of the cone faces upwards, the cone coincides with the axis of the first injector 2, and a plurality of second atomizing nozzles 301 communicated with the hollow part of the cone are uniformly arranged on the outer wall of the cone. The desulfurization liquid atomized by the second ejector 3 and the desulfurization liquid atomized by the first ejector 2 simultaneously contact with the gas containing hydrogen sulfide, and generate large disturbance in the reaction zone, so that a large amount of bubbles and foams are generated during contact, the contact area of gas and liquid is increased, and the contact time is prolonged. When selecting for use second kind of second sprayer 3, because second sprayer 3 is hollow cone, the space between second sprayer 3 and first sprayer 2, the reaction zone is along the axis of cylinder 1 downwards reducing gradually, make the upper portion in this reaction zone form the gas-liquid mixing district like this, the lower part forms the settling zone, and also there are a large amount of bubbles etc. in the settling zone, after gas and suspended solid and doctor solution pass through the settling zone, the bore grows suddenly, make the mixed solution disturb here, roll and form the bubble layer, the bubble layer wraps up and blocks the sulphur-containing gas that is not taken by doctor solution, with the double-phase reaction efficiency of improvement gas, liquid.

In order to improve the removal of hydrogen sulfide in chemical production, the pipeline reactor comprises a plurality of pipeline reactors which are arranged in the pipeline at intervals along the extending direction of the pipeline containing hydrogen sulfide gas.

The embodiment of the utility model provides a theory of operation as follows:

the gas containing hydrogen sulfide flows downwards along the axial direction from the top of the cylinder 1, the desulfurization solution enters the spraying cavity of the first sprayer 2 from the liquid inlet pipe 4, and is atomized and sprayed out through the first atomizing nozzle 201, because the first sprayer 2 coincides with the axial line of the cylinder 1 and the large-diameter end of the first sprayer 2 faces upwards, the atomized desulfurization solution is continuously contacted with the gas containing hydrogen sulfide in the process that the gas containing hydrogen sulfide passes through the first sprayer 2, and because the first atomizing nozzle 201 inclines upwards along the axial line of the first sprayer 2, the upper part of the first sprayer 2 also becomes a reaction zone, and the first atomizing nozzle 201 is designed to ensure that the gas containing hydrogen sulfide and the atomized desulfurization solution are approximately in convection, meanwhile, the desulfurization solution enters the second sprayer 3 through the uniform distribution cavity 202, the part of the desulfurization solution is sprayed out through the second atomizing nozzle 301, the desulfurization solution atomized by the second sprayer 3 and the desulfurization solution atomized by the first sprayer 2 are simultaneously contacted with the gas containing hydrogen sulfide in the radial direction, and large disturbance is generated in the reaction zone, a large amount of bubbles and foams are generated during contact, the contact area of gas and liquid phases is increased, and the contact time is prolonged; and first sprayer 2 is loudspeaker form for the gas flow that contains the hydrogen sulfide reduces at the in-process through first sprayer 2, the atomizing desulfurizer that is spouted by first atomizing nozzle 201 fully contacts and reacts with the gas that contains the hydrogen sulfide, and the mixture after the reaction is behind first sprayer 2 through loudspeaker form, the bore becomes suddenly, makes the mixed liquid disturbance here, rolls and forms the bubble layer, and the bubble layer wraps up and blocks the gas that contains sulfur that is not taken by the doctor solution, with the double-phase reaction efficiency of improvement gas, liquid.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the protection of the claims of the present invention.

Claims

1. A pipeline reactor, characterized by: including the cylinder that the axis is vertical and the top is the air inlet, in be equipped with the first sprayer of loudspeaker form that has the injection chamber in the cylinder, the injection chamber through a plurality of axis slant ascending first atomizing mouths along first sprayer with the inside intercommunication of cylinder, first sprayer with the axis coincidence of cylinder and the big footpath end of first sprayer up, in be connected with on the cylinder with the feed liquor pipe of injection chamber intercommunication.

2. A pipeline reactor according to claim 1, wherein: the spraying cavity comprises an even distribution cavity communicated with the liquid inlet pipe and an atomization cavity communicated above the even distribution cavity, wherein the caliber of the axial section of the atomization cavity is smaller than that of the axial section of the even distribution cavity, and the first atomization nozzle is uniformly communicated with the atomization cavity.

3. A pipeline reactor according to claim 1, wherein: and a second ejector communicated with the first ejector is arranged at the central position of the first ejector.

4. A pipeline reactor according to claim 3, wherein: the second sprayer comprises a pipe body with two axial ends closed, the pipe body is overlapped with the axis of the first sprayer, and a plurality of second atomizing nozzles are uniformly arranged on the side wall of the pipe body.

5. A pipeline reactor according to claim 4, wherein: the lower part of the pipe body is communicated with the lower part of the injection cavity through a communicating pipe, and the pipe diameter of the communicating pipe is smaller than that of the liquid inlet pipe.

6. A pipeline reactor according to claim 3, wherein: the second sprayer comprises a hollow cone, the vertex of the cone faces upwards, the cone coincides with the axis of the first sprayer, and a plurality of second atomizing nozzles communicated with the hollow part of the cone are uniformly arranged on the outer wall of the cone.

7. A pipeline reactor according to claim 6, wherein: the lower part of the cone is communicated with the lower part of the injection cavity through a communicating pipe, and the pipe diameter of the communicating pipe is smaller than that of the liquid inlet pipe.

8. A pipeline reactor according to claim 1, wherein: the pipeline reactor comprises a plurality of pipeline reactors which are arranged at intervals along the extending direction of the pipeline containing the hydrogen sulfide gas.