CN102423650A

CN102423650A - Steam static mixer

Info

Publication number: CN102423650A
Application number: CN2011102922109A
Authority: CN
Inventors: 黄运贤; 武书彬; 朱小林
Original assignee: South China University of Technology SCUT
Current assignee: South China University of Technology SCUT
Priority date: 2011-09-29
Filing date: 2011-09-29
Publication date: 2012-04-25
Anticipated expiration: 2031-09-29
Also published as: CN102423650B

Abstract

The invention relates to a steam static mixer comprising an outer cylinder and an inner cylinder fixed on a pedestal. The outer cylinder is sleeved on the outer side of the inner cylinder, such that a double-layered sleeve pipe structure is formed. A gap is preserved between the outer wall of the inner cylinder and the inner wall of the outer cylinder. A slurry inlet pipe and a slurry outlet pipe are respectively arranged on the ends of the double-layered sleeve pipe through a slurry inlet flange and a slurry outlet flange. A steam inlet is arranged on the walls of the outer cylinder and the inner cylinder. A steam inlet movable sleeve pipe is arranged on the steam inlet. One end of the steam inlet movable sleeve pipe is fixed on the wall of the outer cylinder, and the other ends of the steam inlet movable sleeve pipe penetrate through the steam inlet arranged on the wall of the inner cylinder, and communicates with a hollow cavity of the inner cylinder. The steam inlet movable sleeve pipe and the wall of the inner cylinder maintain a separated state. The wall of the outer cylinder is also provided with a waste discharging port. According to the invention, because the steam inlet movable sleeve pipe used for delivering steam and the inner cylinder used for delivering slurry maintain a separated state, vibration of the steam inlet movable sleeve pipe can be prevented from being transferred to the inner cylinder used for delivering slurry when the steam is delivered in. Also, the waste discharging port can be used for discharging water condensed from steam.

Description

A kind of steam static mixer

Technical field

The present invention makes steam mix with middle concentration paper pulp at pulping and papermaking processes a kind of being used for, and to reach the steam static mixer of Fast Heating slurry, belongs to the renovation technique of steam static mixer.

Background technology

In pulp mill's cleaning and bleaching production technology, come the Fast Heating slurry to reach the desired temperature of bleaching action with high-temperature steam usually; Adopted the device of various interpolation steam, steam adds fashionable because the cause of temperature difference and pressure differential produces fierce impact to pipeline at conveyance conduit, causes the miscellaneous equipment that is installed on the pipeline to be seriously damaged in the past.This is a global difficult problem, the development obstacle of high consistency pulp cleaner production during it has become.Invent a kind of even more ideal steam-heating apparatus and solve the vibration problems that produces in the Steam Heating process, obviously have very important and far-reaching meaning.

In the steam heater in the past, have with stainless steel tube along slurry flow path direction direct oblique cutting pulp-entering pipe, the mouth of pipe is made wedge; Have to tell several arms from main steam range in one line, radially entad insert in the vertical direction of slurry pipe then.And so on, purpose is exactly for reducing even avoiding steam to add fashionable impact to the slurry pipeline.

Summary of the invention

The objective of the invention is to consider the problems referred to above and provide a kind of steam of effectively avoiding to add the fashionable steam static mixer of impact the slurry pipeline.The present invention is reasonable in design, and is convenient and practical.

Technical scheme of the present invention is: steam static mixer of the present invention; Comprise the outer cylinder body and the inner barrel that are fixed on the base; Wherein outer cylinder body is sleeved on the outside composition double-layer sleeve structure of inner barrel, and leaves the gap between the inwall of the outer wall of inner barrel and outer cylinder body, and the end of bilayer sleeve is equiped with pulp-inlet pipe and grout outlet through stock inlet flange and grout outlet flange respectively; Wherein the barrel of outer cylinder body and inner barrel is provided with steam inlet; Be equiped with admission kink pipe on the steam inlet, an end of admission kink pipe is fixed on the barrel of outer cylinder body, and the other end of admission kink pipe passes that set steam inlet communicates with the hollow cavity of inner barrel on the inner barrel barrel; And the barrel of admission kink pipe and inner barrel keeps released state, also is provided with sewage draining exit on the barrel of outer cylinder body.

One end of above-mentioned admission kink pipe is fixed on the barrel of outer cylinder body through the air intake flange.

Be equiped with the sewage draining exit flange on the above-mentioned sewage draining exit.

The barrel of above-mentioned outer cylinder body and inner barrel is provided with 3 steam inlets, is equiped with 3 admission kink pipes on the steam inlet.

The present invention is provided with steam inlet owing to be employed in the barrel of cylindrical shell and inner barrel; Be equiped with the structure of admission kink pipe on the steam inlet, therefore, it can effectively avoid steam to add fashionable impact to the slurry pipeline; In addition, the present invention more considers the discharging of steam condensate (SC).The present invention is that a kind of design is ingenious, function admirable, convenient and practical steam static mixer.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the A-A cutaway view among Fig. 1.

The specific embodiment

Embodiment:

Structural representation of the present invention is like Fig. 1, shown in 2; Steam static mixer of the present invention; Comprise the outer cylinder body 7 and the inner barrel 8 that are fixed on the base 3; Wherein outer cylinder body 7 is sleeved on the outside composition double-layer sleeve structure of inner barrel 8, and leaves the gap between the inwall of the outer wall of inner barrel 8 and outer cylinder body 7, and the end of bilayer sleeve is equiped with pulp-inlet pipe 9 and grout outlet 10 through stock inlet flange 1 and grout outlet flange 2 respectively; Wherein the barrel of outer cylinder body 7 and inner barrel 8 is provided with steam inlet 21; Be equiped with admission kink pipe 6 on the steam inlet 21, an end of admission kink pipe 6 is fixed on the barrel of outer cylinder body 7, and the other end of admission kink pipe 6 passes that set steam inlet 21 communicates with the hollow cavity of inner barrel 8 on inner barrel 8 barrels; And admission kink pipe 6 keeps released state with the barrel of inner barrel 8, also is provided with sewage draining exit 22 on the barrel of outer cylinder body 7.

One end of above-mentioned admission kink pipe 6 is fixed on the barrel of outer cylinder body 7 through air intake flange 5.

In the present embodiment, be equiped with sewage draining exit flange 4 on the above-mentioned sewage draining exit 22.

In the present embodiment, the barrel of above-mentioned outer cylinder body 7 and inner barrel 8 is provided with 3 steam inlets 21, is equiped with 3 admission kink pipes 6 on the steam inlet 21.

Operation principle of the present invention is following: steam gets in the set hollow cavity of inner barrel 8 through admission kink pipe 6; Because admission kink pipe 6 keeps released state with the barrel of inner barrel 8; Therefore, the shock transfer that can effectively avoid steam to add fashionable air inlet kink pipe 6 is given the inner barrel 8 of logical slurry.Simultaneously,, there are the slurry of certain pressure and steam to go out the outside, discharge by sewage draining exit 22 at last from interval training because there is the gap in the barrel of admission kink pipe 6 and inner barrel 8.

Claims

1. steam static mixer; Comprise the outer cylinder body (7) and the inner barrel (8) that are fixed on the base (3); Wherein outer cylinder body (7) is sleeved on the outside composition double-layer sleeve structure of inner barrel (8); And leave the gap between the inwall of the outer wall of inner barrel (8) and outer cylinder body (7); The end of bilayer sleeve is equiped with pulp-inlet pipe (9) and grout outlet (10) through stock inlet flange (1) and grout outlet flange (2) respectively, it is characterized in that the barrel of outer cylinder body (7) and inner barrel (8) is provided with steam inlet (21), is equiped with admission kink pipe (6) on the steam inlet (21); One end of admission kink pipe (6) is fixed on the barrel of outer cylinder body (7); The other end of admission kink pipe (6) passes that set steam inlet (21) communicates with the hollow cavity of inner barrel (8) on inner barrel (8) barrel, and the barrel of admission kink pipe (6) and inner barrel (8) keeps released state, also is provided with sewage draining exit (22) on the barrel of outer cylinder body (7).

2. steam static mixer according to claim 1 is characterized in that an end of above-mentioned admission kink pipe (6) is fixed on the barrel of outer cylinder body (7) through air intake flange (5).

3. steam static mixer according to claim 1 is characterized in that being equiped with on the above-mentioned sewage draining exit (22) sewage draining exit flange (4).

4. according to each described steam static mixer of claim 1 to 3, it is characterized in that the barrel of above-mentioned outer cylinder body (7) and inner barrel (8) is provided with 3 steam inlets (21), be equiped with 3 admission kink pipes (6) on the steam inlet (21).