CN206121408U - Defroster that separation efficiency is high - Google Patents

Abstract

The utility model discloses a defroster that separation efficiency is high, which comprises a bod, the organism is provided with intake pipe and outlet duct, be provided with defogging group in the organism, defogging group package rubbing board piece and supporting arrangement, the storehouse is by the admit air storehouse of this defogging component for the give vent to anger storehouse and the lower part on upper portion in the organism, the outlet duct be connected with normal bend and through this normal bend with it links to each other to give vent to anger the storehouse, be provided with impeller part on the outlet duct, the impeller part internal rotation is provided with the impeller, impeller connection has the band pulley, the band pulley set up in impeller part's outside, the organism outside is provided with the motor, the output of motor with thereby the realization transmission is connected in the band pulley area. Compared with the prior art, the utility model discloses simple structure is reliable, makes convenient with low costsly for detach the mist in the gas, thereby break away from in collecing the follow air current with the droplet, and can increase the velocity of flow of air current, improve device separation efficiency.

Description

A kind of high demister of demisting efficiency

Technical field

This utility model is related to demister apparatus field, more particularly to the demister that a kind of demisting efficiency is high.

Background technology

In wet desulphurization, absorption tower is also easy to produce " mist " that particle diameter is 10--60 microns in running, and " mist " not only contains There is moisture, it is also dissolved with sulphuric acid, sulfate, sulfur dioxide etc., while also resulting in staining and tight for blower fan, heat exchanger and flue Heavy corrosion, therefore, on wet desulfurizing process to absorption equipment propose demisting requirement, cleaned gas leave absorption tower it Before want demisting.

Demister is used for the drop of gas entrainment in knockout tower, to ensure to have mass-transfer efficiency, reduces valuable material and damages Becoming estranged improves the operation of compressor after tower, general many to arrange demister in tower top.The droplet of 3--5um can be effectively removed, between tower tray If arranging demister, can not only ensure the mass-transfer efficiency of tower tray, plate spacing can also be reduced.So demister is mainly used in gas-liquid Separate.Also can separate for gas for air filter.

" mist " that wet desulphurization is produced, also dissolved with sulphuric acid, sulfate, sulfur dioxide etc..If do not properly settled, any entrance " mist " of chimney, actual is exactly sulfur dioxide (SO2) emissions in air, while also resulting in staining for blower fan, heat exchanger and flue And heavy corrosion.Therefore, the requirement of demisting is proposed on wet desulfurizing process to absorption equipment, cleaned gas is leaving absorption Demisting is wanted before tower.Demister is the key equipment in FGD systems, and can its performance directly influences wet FGD system continuous Reliability service.Demister failure not only results in the stoppage in transit of desulphurization system, in some instances it may even be possible to cause whole unit（System-down）.

When the gas containing mist flows through demister with certain speed, due to gas inertial impaction act on, mist with Corrugated sheet collides and is arrived greatly the gravity of its own generation more than the climbing power and surface tension of liquid of gas by poly- drop When with joint efforts, drop is just separated from waveform plate surface.Demister corrugated sheet be folded to structure and increased mist be caught The chance of collection, the mist not being removed are acted on through identical at next turning and are captured, such repeated action, so as to Substantially increase demisting efficiency.Gas is substantially free of mist after wave-shaped plate demister.Bending of the flue gas by demister Passage, in the presence of inertia force and gravity by the drop separation carried secretly in air-flow out：Flue gas after desulfurization is with certain speed Degree flows through demister, and flue gas is rapidly, continuously changed the direction of motion, and because of the effect of centrifugal force and inertia, the droplet in flue gas hits Hit, droplet collects to form current, because of the effect of gravity, under drop down onto in slurry pool, realize Gas-liquid separation so that the flue gas for flowing through demister reaches after demisting is required and discharges.

In the gas encountered in common chemical industry operation, the diameter of dispersant liquid drop is about at 0.1～5000 μm.General grain Granule of the footpath more than 100 μm is very fast because of sedimentation velocity, and its separation problem is easy to solve.Liquid of the general diameter more than 50 μm Drop, can be separated with settling methods；More than 5 μm of drop can use inertial collision and centrifugal separation；For less mist then Try to make its aggregation to form larger particles, or with fabric filter and electrostatic precipitator.

Utility model content

This utility model is directed to deficiency of the prior art, there is provided a kind of high demister of demisting efficiency, simple structure Reliable, easily manufactured low cost, for removing the mist in gas, droplet is collected so as to depart from from air-flow, and can Increase the flow velocity of air-flow, improve device demisting efficiency.

In order to solve above-mentioned technical problem, this utility model is addressed by following technical proposals：A kind of demisting efficiency High demister, including body, the body are provided with air inlet pipe and escape pipe, and demisting group is provided with the body, described Demisting group includes plate and supporting arrangement, in the body storehouse by the demisting component for top the air inlet for going out gas storehouse and bottom Storehouse, the escape pipe be connected with right-angle elbow pipe and by the right-angle elbow pipe with it is described go out gas storehouse be connected, set on the escape pipe Impeller portion is equipped with, is rotated in the impeller portion and is provided with impeller, the impeller is connected with belt wheel, and the belt wheel is arranged at the leaf The outside of wheel portion, the engine body exterior are provided with articles holding table, and traverser, the traverser are provided with above the articles holding table On be provided with motor, the outfan of the motor and the band wheel belt connect so as to realize transmission, are provided with cunning on the body Rail, the traverser end are arranged on the slide rail and the traverser can be slided along the slide rail, the glove Body end is provided with two lead columns on platform, the lead column is through the traverser so as to the shifting to the traverser Movable property gives birth to guide effect, is located at articles holding table and traverser part is arranged with pressure-bearing spring, the articles holding table in the lead column Support bar is provided with and traverser between, the traverser bottom surface is provided with positive stop, is provided with the articles holding table Three position blocks, described support bar one end heads on the positive stop and the other end heads on one of position block, The bending place of the right-angle elbow pipe is provided with liquid outlet, and the liquid outlet is provided with cover plate and is sealed outlet by the cover plate, described If being located in right-angle elbow pipe above the liquid outlet and being provided with dry tablet catch.

In above-mentioned technical proposal, it is preferable that the belt wheel includes the first belt wheel, the second belt wheel and the 3rd belt wheel, described One belt wheel, second belt wheel can be connected with the outfan of the motor by belt with the 3rd belt wheel, the motor Outfan the same time only and first belt wheel, second belt wheel or the 3rd belt wheel only one belt wheel phase Even.

In above-mentioned technical proposal, it is preferable that it is described go out gas storehouse below be provided with slurry pool, the slurry pool bottom is provided with Leakage fluid dram, the leakage fluid dram are provided with openable closure.

In above-mentioned technical proposal, it is preferable that it is described go out gas storehouse in be located at the demisting group above be provided with shower, it is described Nozzle is provided with shower.

In above-mentioned technical proposal, it is preferable that the guiding column end is provided with spacing termination, the spacing termination hinders institute The movement of traverser is stated so as to prevent which from departing from lead column.

In above-mentioned technical proposal, it is preferable that be provided with the traverser for moving the handle of traverser.

In above-mentioned technical proposal, it is preferable that the air inlet pipe is connected with the intake elbow being arranged at in gas storehouse, it is described enter The opening direction of gas bend pipe is down.

This utility model is simple and reliable for structure, easily manufactured low cost, for removing the mist in gas, droplet is collected So as to depart from from air-flow, and the flow velocity of air-flow can be increased, improve device demisting efficiency.

Description of the drawings

Fig. 1 is this utility model structural representation.

Fig. 2 is the structural representation of this utility model belt wheel.

Fig. 3 is this utility model motor extremely peripheral structure schematic diagram.

Specific embodiment

This utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings：As Fig. 1 to Fig. 3 institute Show, a kind of high demister of demisting efficiency, including body 1, the body 1 is provided with air inlet pipe 21 and escape pipe 23, the machine Demisting group 2 is provided with body 1, the demisting group 2 includes plate and supporting arrangement, and storehouse by the demisting group is for 2 points in the body 1 Top go out gas storehouse 12 and bottom enter gas storehouse 11, the escape pipe 23 is connected with right-angle elbow pipe 22 and by the right-angle elbow pipe 22 with it is described go out gas storehouse 12 be connected, be provided with impeller portion 31 on the escape pipe 23, rotate in the impeller portion 31 and be provided with leaf Wheel 35, the impeller 35 is connected with belt wheel 3, and the belt wheel 3 is arranged at the outside in the impeller portion 31, sets outside the body 1 Articles holding table 24 is equipped with, traverser 241 is provided with above the articles holding table 24, motor 4 in the traverser 241, is provided with, The outfan of the motor 4 and the belt wheel 3 are provided with slide rail 17, the work with connection so as to realize transmission on the body 1 241 end of moving platform is arranged on the slide rail 17 so that the traverser 241 can be slided along the slide rail 17, the glove 1 end of body is provided with two lead columns 6 on platform 24, the lead column 6 is through the traverser 241 so as to the activity The mobile generation guide effect of platform 241, is located at articles holding table 24 in the lead column 6 and 241 part of traverser is arranged with and holds Pressing spring 61, is provided with support bar 5 between the articles holding table 24 and traverser 241,241 bottom surface of the traverser is provided with Positive stop 243, is provided with three position blocks 51 on the articles holding table 24,5 one end of the support bar heads on the limiting block The block 243 and other end heads on one of position block 51, the bending place of the right-angle elbow pipe 22 is provided with liquid outlet 222, the liquid outlet 222 is provided with cover plate 223 and is sealed outlet by the cover plate 223, is located at described in the right-angle elbow pipe 22 If dry tablet catch 221 is provided with above liquid outlet 222.

The belt wheel 3 includes the first belt wheel 32, the second belt wheel 33 and the 3rd belt wheel 34, first belt wheel 32, described Two belt wheels 33 can be connected with the outfan of the motor 4 by belt 41 with the 3rd belt wheel 34, the output of the motor 4 Hold the only one belt wheel phase only with first belt wheel 32, second belt wheel 33 or the 3rd belt wheel 34 in the same time Even.

It is described go out gas storehouse 12 below be provided with slurry pool 16,16 bottom of the slurry pool is provided with leakage fluid dram 14, the row Liquid mouth 14 is provided with openable closure 15.The slurry pool 16 of setting, for receiving the material isolated by demisting group 2.And And, additionally it is possible to these materials are processed, would not be impacted so in environment is discharged into.By arranging leakage fluid dram 14, can convenient use person discharge slurry pool 16 in material.Also, be provided with closure 15, can when unwanted, Seal leakage fluid dram 14, prevent leakage.

It is described go out gas storehouse 12 in be located above the demisting group 2 and be provided with shower 25, be provided with the shower 25 Nozzle.By so setting, can be when using one section after, scavenging solution is sprayed to demisting group 2, sheet surface is cleaned, and And the impurity for sticking to sheet surface is taken away.This makes it possible to ensure the demisting ability of this device.

6 end of the lead column is provided with spacing termination 62, and the spacing termination 62 hinders the shifting of the traverser 241 Move so as to prevent which from departing from lead column 6.

It is provided with the traverser 241 for moving the handle 242 of traverser 241.The handle 242 of setting, can The position of traverser 241 is adjusted with convenient use person.

The air inlet pipe 21 is connected with the intake elbow 211 being arranged at in gas storehouse 11, the opening of the intake elbow 211 It is directed downward.So arrange, the air-flow of demisting process is carried out from the needing of coming in of air inlet pipe 21, first can be moved downward, Ran Houzai Flow up.During this turns, the liquid particles in air-flow play the role of partly because gravity, directly falls Fall to departing from air-flow.Also, it is existing will be air-flow guiding downward so as to be full of into 11 bottom of gas storehouse, then air-flow is moved again upwards, so Enable to 2 entirety of demisting group to be involved in work, rather than original device, the plate in the demisting group 2 of air inlet pipe 21 Piece workload is big, and little away from the plate workload in the demisting group 2 of air inlet pipe 21.

Because this device is provided with shower 25, it is possible to having the liquid from shower 25 out, enter by mistake through Right-angle elbow pipe 22.Therefore, if being provided with dry tablet catch 221 in the bending place of right-angle elbow pipe 22, for condensing accumulation by gas at this Liquid in stream.Liquid on catch 221, can be dripped along catch 221 downwards, drop into liquid outlet 222, and here accumulation. The end of right-angle elbow pipe 22 is provided with safety device, for avoiding the liquid out of shower 25 from entering in the pipe.It but is More insure, so this device is provided with catch 221.And catch 221 can also further increase the work of demisting.Go out liquid It is exactly slurry pool 16 below mouth 222, after long-time use, it is necessary to open cover plate 223, by accumulation in liquid outlet 222 Liquid is drained in slurry pool 16.Cover plate 223 is bolted on liquid outlet 222, therefore dismounting is very convenient for.

The demisting efficiency of demister increases with the increase of air velocity, and this is, as flow velocity is high, to act on droplet Inertia force is big, is conducive to the separation of gas-liquid.But, the increase of flow velocity will cause SR to increase, and also increase energy consumption.And The increase of flow velocity has certain limit, and flow velocity is too high to cause two sub-band water, so as to reduce demisting efficiency.Generally will be by demisting The highest of device section and and will not two sub-band water when flue gas flow rate be defined as critical flow velocity, the speed and demister structure, be The factors such as regiment commander's Water l oad, airflow direction, demister arrangement are relevant.Design current velocity is typically selected in 3.5-5.5m/s.

Therefore, in order to increase demisting efficiency, this device is just provided with flow accelerator.By 4 impeller 35 of motor Rotating, so as to accelerate to suction out gas, therefore accelerating the speed of air-flow, so as to increased the demisting efficiency of demister.

Also, according to different practical situations, the demisting efficiency being optimal.This device is provided with various rotating speed.This dress 3 points of the belt wheel put is the first belt wheel 32, the second belt wheel 33 and the 3rd belt wheel 34, and in same time only one of which belt wheel and motor It is connected and by the motor-driven rotation.The diameter of the first belt wheel 32, the second belt wheel 33 and the 3rd belt wheel 34 is once incremented by, therefore When they are connected with motor respectively, when impeller 35 is rotated, the rotating speed of impeller 35 successively decreases successively.Namely when the first belt wheel 32 when being connected with motor, and the rotating speed of impeller 35 is maximum；I.e. when the 3rd belt wheel 34 is connected with motor, the rotating speed of impeller 35 is minimum.

So arrange, the air velocity of this device can be just distributed in 3.5-5.5m/s, also, according to actual needs, It is adjusted, so as to reach optimal demisting efficiency.Because this device has the different belt wheel of three diameters, therefore belt 41 Quantity can be three, the different belt wheel of corresponding matching.But in order to cost-effective, the belt 41 of this device only can also be adopted With one, by the distance for adjusting motor 4 and belt wheel 3, adjustment.

This device is arranged on motor 4 in traverser 241, and arranges between traverser 241 and articles holding table 24 Support bar 5, makes the weight of traverser 241 and motor 4 by support bar 5.And this device is also provided with pressure-bearing spring 61 support works for carrying out auxiliary support bar 5.

When the height for needing adjustment to keep thinking about, as long as holding handle 242, then traverser 241 is pulled up a bit Distance, because the presence of pressure-bearing spring 61, required pulling force is not very big.After pull-up traverser 241, as long as adjustment The position of support bar 5 so as to head on again a position block 51, this completes adjustment.Then only need to decontrol handle 242.Support bar 5 can support the weight of traverser 241.

Slide rail 17 is provided with, is able to easily move traverser 241.

In order to more accurately position, position block 51 can on articles holding table 24 adjustment position.Can arrange on articles holding table 24 Multiple location holes, then arrange bearing pin on position block 51, as long as bearing pin is inserted in different location holes, you can realize positioning gear Block 51 is shifted one's position.

By device as this programme, the spacing between motor 4 and belt wheel 3 freely can be adjusted, therefore, nothing By being that, using the first belt wheel 32, the second belt wheel 33 or the 3rd belt wheel 34, belt 41 1 can just complete work.

Also, after prolonged use, belt 41 can occur certain extension.Motor can also now be aligned 4 height is ensureing the normal operation of V belt translation.

Connected by belt 41 between the motor 4 and belt wheel 3 of this device, so as to realize V belt translation.This device is being opened During beginning work, motor 4 is rotated with movable belt pulley 3, so that impeller gyrates, the gas in impeller portion 31 is passed through outlet Pipe 23 is discharged, then again by the gas inspiration impeller portion 31 in right-angle elbow pipe 22.

The air inlet pipe 21 of this device connects external trachea, so as to the gas for carrying out demisting work will be needed to be linked into into gas storehouse In 11.The gas is then passed through demisting group 2, after demisting process is carried out by the demisting group 2, is pooled to out at gas storehouse 12.Finally, These gases can be guided by right-angle elbow pipe 22, are entered into impeller portion 31, and are discharged.

Protection domain of the present utility model includes but is not limited to embodiment of above, and protection domain of the present utility model is weighing Sharp claim is defined, and any replacement being readily apparent that to those skilled in the art that this technology is made, deformation, improvement each fall within Protection domain of the present utility model.

This utility model is simple and reliable for structure, easily manufactured low cost, for removing the mist in gas, droplet is collected So as to depart from from air-flow, and the flow velocity of air-flow can be increased, improve device demisting efficiency.

Claims (7)

1. a kind of high demister of demisting efficiency, including body（1）, the body（1）It is provided with air inlet pipe（21）And escape pipe （23）, it is characterised in that：The body（1）Demisting group is provided with inside（2）, the demisting group（2）Including plate and supporting arrangement, The body（1）Interior storehouse is by the demisting group（2）Be divided into top goes out gas storehouse（12）Enter gas storehouse with bottom（11）, the escape pipe （23）It is connected with right-angle elbow pipe（22）And pass through the right-angle elbow pipe（22）With it is described go out gas storehouse（12）It is connected, the escape pipe （23）On be provided with impeller portion（31）, the impeller portion（31）Interior rotation is provided with impeller（35）, the impeller（35）It is connected with Belt wheel（3）, the belt wheel（3）It is arranged at the impeller portion（31）Outside, the body（1）Outside is provided with articles holding table （24）, the articles holding table（24）Top is provided with traverser（241）, the traverser（241）On be provided with motor（4）, The motor（4）Outfan and the belt wheel（3）Band connects so as to realize transmission, the body（1）On be provided with slide rail （17）, the traverser（241）End is arranged at the slide rail（17）It is upper to cause the traverser（241）Can be along the cunning Rail（17）Slide, the articles holding table（24）On away from body（1）End is provided with two lead columns（6）, the lead column（6）Pass through The traverser（241）So as to the traverser（241）Mobile generation guide effect, the lead column（6）On be located at Articles holding table（24）And traverser（241）Part is arranged with pressure-bearing spring（61）, the articles holding table（24）And traverser（241） Between be provided with support bar（5）, the traverser（241）Bottom surface is provided with positive stop（243）, the articles holding table（24）On It is provided with three position blocks（51）, the support bar（5）One end heads on the positive stop（243）And the other end is headed on wherein One piece of position block（51）, the right-angle elbow pipe（22）Bending place be provided with liquid outlet（222）, the liquid outlet （222）It is provided with cover plate（223）And by the cover plate（223）Seal outlet, the right-angle elbow pipe（22）It is interior positioned at the liquid outlet （222）If top is provided with dry tablet catch（221）.

2. the high demister of a kind of demisting efficiency according to claim 1, it is characterised in that：The belt wheel（3）Including One belt wheel（32）, the second belt wheel（33）With the 3rd belt wheel（34）, first belt wheel（32）, second belt wheel（33）With it is described 3rd belt wheel（34）Belt can be passed through（41）With the motor（4）Outfan be connected, the motor（4）Outfan same One time and first belt wheel（32）, second belt wheel（33）Or the 3rd belt wheel（34）Only one belt wheel phase Even.

3. the high demister of a kind of demisting efficiency according to claim 1, it is characterised in that：It is described go out gas storehouse（12）Lower section It is provided with slurry pool（16）, the slurry pool（16）Bottom is provided with leakage fluid dram（14）, the leakage fluid dram（14）It is provided with and can beats The closure opened（15）.

4. the high demister of a kind of demisting efficiency according to claim 1, it is characterised in that：It is described go out gas storehouse（12）Interior position In the demisting group（2）Top is provided with shower（25）, the shower（25）On be provided with nozzle.

5. the high demister of a kind of demisting efficiency according to claim 1, it is characterised in that：The lead column（6）End It is provided with spacing termination（62）, the spacing termination（62）Hinder the traverser（241）Movement so as to preventing which from departing from Lead column（6）.

6. the high demister of a kind of demisting efficiency according to claim 1, it is characterised in that：The traverser（241） On be provided with for moving traverser（241）Handle（242）.

7. the high demister of a kind of demisting efficiency according to claim 1, it is characterised in that：The air inlet pipe（21）Connection It is arranged at into gas storehouse（11）Interior intake elbow（211）, the intake elbow（211）Opening direction down.