CN1059105A - Rotating bed super gravity field is strengthened transmission and reaction unit - Google Patents

Abstract

The present invention is that a kind of super gravity field is strengthened and transmitted and reaction unit, and especially for the revolving bed transmission and the reaction unit of gas-liquid phase counter current contacting, this device is removed the revolving part of the liquid that gas carries secretly in rotor center layout one; Arrange the feed tube of various ways in the revolving part outside; And make revolving part and blast pipe form relative sealed whole; Make gas utilize this centrifugal force field to remove the liquid of carrying secretly in the gas through the centrifugal force field of revolving part generation.This device can improve operating gas velocity greatly, strengthens mass transfer effect, improves production capacity.

Description

Rotating bed super gravity field is strengthened transmission and reaction unit

The present invention relates to a kind of hypergravity field swinging bed device that transmits with reaction that is used to strengthen.Especially for the revolving bed transmission of gas, liquid counter current contacting and the device of reaction.

In recent years, revolving bed centrifugal force field reinforcement transmission that produces and the technology of reacting have appearred utilizing.It has greatly strengthened mass transfer intensity from the aspects such as liquid flooding limit that improve contact area and equipment operation in the unit volume, makes tens meters high towers dwindle into high only 2 meters revolving bed, and this is breakthrough progress for traditional mass transfer technology.As U.S. Pat 4382900 disclosed a kind of centrifugal gas-liquid separation devices; Russian Patent SU127408 is disclosed to be the revolving bed device of application purpose with rectifying, all belongs to this type of.

Fig. 8 is U.S. Pat 4382900 disclosed structure charts.

Fig. 9 is the disclosed structure chart of Russian Patent SU127408.

As shown in Figure 8: the disc-like rotor (1) that is contained on the fixing casing (7) is done rotation at a high speed, ring packing layer (3) is housed on the rotor, raw material liq enters from center feed tube (12), stretch into the liquid distribution trough (that is: spray hole) of bed mid portion by feed tube lower end, center, spray to the inner ring surface of ring packing, in the ring packing, have gas on the outer ring surface, the liquid hole, it is airtight that other parts keep, and liquid enters filler from the hole of filler inner ring surface, under super gravity field, radially diffusion, the air inlet pipe (16) of gas slave shell-side face enters, and under the effect of barometric gradient, enters filler by the ring packing outer ring surface, in filler, gas-liquid phase counter current contacting, behind the transfer reaction, gas is discharged by blast pipe (5), liquid is thrown out of filler, discharges from the discharging tube (13) of bottom of shell.

Revolving bed has as shown in Figure 9 been arranged two layers of packing layer for the purpose of distillation operation on rotor, promptly away from the packing layer (3) of rotor center as stripping section, near the packing layer (14) at center as rectifying section.Raw material feed tube (4) is set between rectifying section and stripping section, and liquid return tube (15) is placed in the rotor center place.This patent is dosed second packing layer, realizes a rectifying.

Two above-mentioned documents have all been settled feed tube in rotor center, under certain gas speed, have the part drop in the liquid of this pipe ejection and before not entering super gravity field, just carried secretly air inlet-outlet pipe by gas, not only reduced mass transfer effect, influenced the production capacity of revolving bed, even can make the equipment can not normal running.

In addition, in the revolving bed device of using at present, the structure of feed tube liquid distributor also is more single spray hole, influences mass transfer effect and production capacity owing to cloth liquid is uneven.

Purpose of the present invention: remove the liquid of carrying secretly in the exit gas with the effect of centrifugal force field; Thereby improve the mass transfer effect that cloth liquid structure has been strengthened revolving bed, improved production capacity.

Major technique measure of the present invention:

A, fix a rotary part in centre of rotor, the revolving part periphery with near the ring packing layer of rotor center in arrange feed tube in the annular space in week, make rotor center form a centrifugal force field.

The side face of B, revolving part has pore, and end face is connected with blast pipe, and other parts are airtight, on revolving part and the anchor ring that blast pipe contacts movable sealing is arranged, and makes them form relative sealed whole in bed.Like this, gas is before entering blast pipe, and necessary elder generation is through the centrifugal force field of revolving part formation.When gas was being carried liquid secretly and given by revolving part, liquid will be got rid of back the packing layer of outside, and the gas that enters blast pipe does not then contain liquid.

In addition,, reach the purpose that improves mass transfer effect for the liquid that distributes equably, the feed tube that the present invention adopts or be the several straight tubes of even UNICOM on a garden endless tube, spray hole is in aperture area; Or be single helix tube; Or be that UNICOM's compound tube is encircled in a plurality of gardens.

Open in detail below in conjunction with embodiment and accompanying drawing to the present invention.

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

Fig. 2 is an A-A cutaway view of the present invention.

Fig. 3 is the structure chart of the present invention when adopting the spiral feed tube.

Fig. 4 is the structure chart of the present invention when adopting one group of garden ring feed tube.

Fig. 5 is a B-B cutaway view when adopting one group of garden to encircle feed tube.

Fig. 6 is that the present invention adopts blade to make the structure chart of center revolving part.

Fig. 7 is a C-C profile when adopting blade to do revolving part.

As shown in Figure 1: the center in the disc-like rotor (1) of the high speed of casing (7) upper support rotation, fixedly mount an annular or a garden cylindricality revolving part (2) of using except that liquid, make rotor center have centrifugal force field.This revolving part can be porous media (as: foam metal filler, ceramic foam packing, machined porous member) or blade.Present embodiment adopts the garden cylindrical foam metal packing that has support cover.Simultaneously with in the annular space between all sides in raw material feed tube (4) centering revolving part outer circumferential side and the ring packing (3).The side face of revolving part has pore, and end face is connected with blast pipe (5) (or have pore and be communicated with, or directly be communicated with), and other parts are airtight.In order to prevent the gas short circuit, on the direct air inlet-outlet pipe, revolving part and anchor ring that blast pipe is connected movable sealing (6) is arranged, make two parts in bed, form relative sealed whole.Can guarantee gas like this before air inlet-outlet pipe, must be through the centrifugal force field of revolving part formation.When gas speed higher, when gas gives and brings liquid into blast pipe, because the effect of centrifugal force field has stoped liquid to enter effectively, and the packing layer outside it is got rid of back.Therefore even liquid distribution has improved the utilization rate of filler.

In addition, the raw material feed tube can adopt multiple version.

Present embodiment still adopts a garden endless tube (8) to go up the several straight tubes of uniform connection (4) as feed tube as shown in Figure 1, the bottom of every straight tube, put in bed part, have spray hole towards filler inner ring surface one side, spray hole is uniform in aperture area, the subtended angle of aperture area calculates with following formula as shown in Figure 2 on every root canal cross-section:

$a=\frac{360}{n}+\mathrm{warctg}\frac{r_{1}s\ln \frac{180}{\mathrm{<figure-callout\; id="2"\; label="n\; r"\; filenames="911092552\_DRIMG2.png"\; state="\{\{state\}\}">n</figure-callout>}}}{r_{}}$

In the formula: α-aperture area subtended angle

r ₁-liquid distributor divides the garden radius

r ₂The radius of-filler inner surface

The pipe radical that n-is uniform

Above-mentioned raw material feed tube also can adopt single helix tube.

As shown in Figure 3: the helix tube (9) that equals the annular space average diameter with an average root diameter, helix tube stretches in the aperture area of spiral outer peripheral face of bed part and radially has spray hole along pipe, spray hole is uniform in aperture area, and the subtended angle of aperture area is on the pipe cross section:

α＝2arctg (t)/(2h)

In the formula: t-pitch

H-tube section center is to the distance of filler inner surface

The form that above-mentioned raw material feed tube also can adopt the endless tube combination of a plurality of gardens to be communicated with.

As Fig. 4, shown in Figure 5: the garden endless tube (11) that equals the annular space average diameter with one group of average diameter, by one or several straight tube (10) the garden endless tube is communicated with and circularizes cover, radially have spray hole along pipe in the aperture area of the outer peripheral face on stretching into the part garden ring of bed, spray hole is uniform in aperture area, and the aperture area subtended angle is on every root canal cross-section:

α＝2arctg (H)/(2nh)

In the formula: H-filler axial width

N-hydrojet garden endless tube number

H-garden endless tube cross-section center is apart from the distance of filler inner surface

Above-mentioned revolving part can also adopt one group of blade.

As Fig. 6, shown in Figure 7: adorn one group of blade (17) in rotor center, the blade end face is fixed with ring cover (18), and ring cover and blast pipe form movable sealing between (5).

Utilize the above-mentioned center revolving part of the present invention, can also make the revolving bed rotor become two fulcrum supporting constructions, as: directly settle a bearing, adorn a back shaft that is fixed on the casing in the bearing at the revolving part center.And for example: the frame tumbler that is fixedly connected on revolving part, this tumbler connects by the back shaft that bearing and is fixed on the casing end face, can form second fulcrum.Thereby increased the stability of rotor rotation, for the design of large scale revolving bed provides foundation.

Effect of the present invention: the liquid that the present invention utilizes centrifugal force field to remove to carry secretly in the gas, adopt simultaneously the feed tube form of various ways, improved operating gas velocity, even liquid distribution has been strengthened mass transfer effect, and then has greatly been improved production capacity. Below be the present invention and prior art rotating speed be under the 1200rpm operation index relatively:

With prior art the present invention

5 meters of liquid measures³/ hours 5 meters³/ hour

190 meters of gas speed³/ hours 1000 meters³/ hour

The more liquid band of the gas carrying liquid situation band liquid that haunts

Claims (6)

1, a kind of hypergravity field swinging bed reinforcement transmission and reaction unit are made up of ring packing layer fixing on high speed rotor rotated, central row tracheae, raw material feed tube and the rotor of casing support, it is characterized in that:

A, fix a revolving part in centre of rotor, the revolving part periphery with near the ring packing layer of rotor center in arrange feed tube in the annular space in week;

The side face of B, revolving part has pore, and end face is connected with blast pipe, and other parts are airtight, on revolving part and the anchor ring that blast pipe contacts movable sealing is arranged, and makes gas just can reach blast pipe through revolving part.

2, device according to claim 1 is characterized in that: described revolving part is the porous media of garden cylindricality (or garden ring).

3, device according to claim 1 is characterized in that: described revolving part is one to be assembled in the blade of rotor center.

4, device according to claim 1, it is characterized in that: place the feed tube in the annular space can adopt some straight tubes uniform and that be communicated with ring pipe on the garden endless tube, every straight tube stretches into the bed part and radially has spray hole, spray hole is uniform in aperture area, and the subtended angle of every pipe cross section aperture area is:

$a=\frac{360}{n}+2\mathrm{arctg}\frac{r_{1}s\ln \frac{180}{n}}{r_2{.r}_1\cos \frac{180}{n}}$

In the formula: α-aperture area subtended angle

r ₁-liquid distributor divides the garden radius

r ₂-filler inner surface radius

The VERTICAL TUBE number that n-is uniform

5, device according to claim 1, it is characterized in that: place the feed tube in the annular space can adopt an average root diameter to equal the helix tube of annular space average diameter, helix tube stretches into the spiral outer peripheral face of bed part, that is: in the aperture area of filler inner ring surface one side, radially have spray hole along pipe, spray hole is uniform in aperture area, and the subtended angle of pipe cross section aperture area is:

α＝2arctg (t)/(2h)

In the formula: t-pitch

H-tube section center is to the distance of filler inner surface

6, device according to claim 1, it is characterized in that: the described feed tube of annular space that places can adopt one group of average diameter to equal the garden endless tube of annular space average diameter, by one or a few straight feed tube the garden ring is communicated with into a circular cowling, aperture area at the part garden ring outer peripheral face that stretches into bed radially has spray hole along pipe, spray hole is uniform in aperture area, and the subtended angle of every pipe cross section aperture area is:

α＝2arctg (H)/(2nh)

In the formula: H-filler axial width

N-hydrojet garden endless tube number

H-garden endless tube cross-section center is apart from the distance of filler inner surface

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