CN106178626A - A kind of solid-liquid hydraulic centrifugal segregation apparatus and acid-washing waste acid reutilization system - Google Patents
A kind of solid-liquid hydraulic centrifugal segregation apparatus and acid-washing waste acid reutilization system Download PDFInfo
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- CN106178626A CN106178626A CN201510220433.2A CN201510220433A CN106178626A CN 106178626 A CN106178626 A CN 106178626A CN 201510220433 A CN201510220433 A CN 201510220433A CN 106178626 A CN106178626 A CN 106178626A
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Abstract
The invention discloses a kind of solid-liquid hydraulic centrifugal segregation apparatus, comprising: housing, its top is provided with charging aperture, is provided with sludge outlet bottom it；Urceolus, it is located in housing, and the top of urceolus is provided with tangential inlet at charging aperture, and tangential inlet is arranged to solidliquid mixture, and to enter the direction of urceolus vertical with the axial direction of urceolus；The bottom of urceolus has opening；Inner core, it is located in urceolus, and the upper end of inner core is stretched out from housing, and the upper end of inner core is provided with purified liquor outlet, and the bottom of inner core has opening, and the bottom of inner core is relatively higher than the bottom of urceolus；Water fender, it is located at the bottom end opening of urceolus, and water fender is provided with limbers；Post-defecation pipe, its lower end connects with limbers, and the upper end of post-defecation pipe connects with the cavity formed between housing and urceolus.The invention also discloses a kind of acid-washing waste acid reutilization system, comprising: spent acid storage tank, speed change agitating device, solid-liquid hydraulic centrifugal segregation apparatus, acid solution case, resin bed inhales acid post, and water tank.
Description
Technical field
The present invention relates to a kind of centrifugation apparatus, particularly relate to a kind of solid-liquid separating equipment.The invention still further relates to one
Plant the acid-washing waste acid reutilization system including this solid-liquid separating equipment.
Background technology
Rustless steel is answered with combination properties such as the processing characteristicies of its superior corrosion resistance, unique surface and excellence
For field of industrial production widely, thereby promote the fast development that rustless steel produces.Stainless steel strip
Pickling as one critical process in producing stainless steel process, not give only rustless steel beautiful attractive in appearance outside
Table, but also processing characteristics and the surface quality of cold-rolling stainless steel can be directly affected.Pickling process can make
Use substantial amounts of acid, when after the concentration that the metal ion in acid solution and other inorganic impurity reach certain, because processing
Effect does not reaches the requirement of acid cleaning process, and acid solution needs again to prepare or change.To this end, can produce substantial amounts of
Acid pickle, the acid containing higher concentration and metal in these acid pickles, environment can be worked the mischief by direct discharge,
Need to discharge after treatment.
Using conventional acid-base neutralization processing method currently for acid pickle, the method not only can not be effective
Ground reclaims acid solution, and also can produce a large amount of metal sludge (containing heavy metal and fluorine).Meanwhile, acid-base neutralization
The investment of processing method equipment needed thereby is big, it is wide to take up an area and maintenance cost is high.For this reason it would be desirable to can effectively utilize
Effective ingredient in spent acid, reduces the magnitude of recruitment of acid solution, reduces the usage amount of spent acid treatment agent.
Summary of the invention
It is an object of the invention to provide a kind of solid-liquid hydraulic centrifugal segregation apparatus, it can remove liquid effectively
Solid impurity in body, good separating effect, separation efficiency is high.It addition, separate dress through this solid-liquid hydraulic centrifugal
The water content of the solid impurity discharged after putting separation is few, it is simple to clears up, dispose and transports.Additionally, this solid-liquid
The volume of hydraulic centrifugal segregation apparatus is little, floor space is few.
To achieve these goals, the present invention proposes a kind of solid-liquid hydraulic centrifugal segregation apparatus, comprising:
Housing, its top is provided with charging aperture, is provided with sludge outlet bottom it；
Urceolus, it is located in housing, and the top of urceolus is provided with tangential inlet at charging aperture, and this is cut
The direction being arranged to solidliquid mixture entrance urceolus to entrance is vertical with the axial direction of urceolus；This is outer
The bottom of cylinder has opening；
Inner core, it is located in urceolus, and the upper end of inner core is stretched out from housing, and the upper end of inner core is provided with clearly
Liquid exports, and the bottom of inner core has opening, and the bottom of inner core is relatively higher than the bottom of urceolus；
Water fender, it is located at the bottom end opening of urceolus, and this water fender is provided with limbers；
Post-defecation pipe, its lower end connects with described limbers, the upper end of post-defecation pipe and housing and
The cavity connection formed between urceolus.
Solid-liquid hydraulic centrifugal segregation apparatus of the present invention make use of hydraulic centrifugal separation principle, and solid is miscellaneous
Matter is separated from liquid.Compare to utilize other principles, such as, compared to utilizing sedimentation theory
Separation equipment (such as gravity type sedimentation tank), the work efficiency of this solid-liquid hydraulic centrifugal segregation apparatus is high,
The process time of unit volume liquid is short；The most such as, compared to utilize device rotation centrifugal separation equipment (such as from
Scheming), owing to without driving solidliquid mixture to rotate to produce centrifugal force by power-equipment, therefore, being somebody's turn to do
The structure of solid-liquid hydraulic centrifugal segregation apparatus is relatively easy, less energy consumption, and it is the most convenient to operate.
Further, in the technical program, above-mentioned tangential inlet can be provided with several, and it is at urceolus
Circumferential direction on uniform setting.
Based on technical scheme, tangential inlet is arranged near charging aperture, and charging aperture and tangentially entering
Mouth is respectively arranged at the top of housing and the top of urceolus.Come from the liquid containing solid impurity of tangential inlet
(such as, the acid pickle containing solid impurity) at high speed along tangential direction from the top of urceolus enter urceolus
In, the inner tube wall along urceolus from top to bottom rotates and forms external spiral stream, now, miscellaneous containing solid
The liquid of matter is become circular motion from linear motion.Solid impurity can produce centrifugal force, is suspended in external spiral stream
Solid particle move between the inner tube wall of urceolus and the outer tube wall of inner core under the influence of centrifugal force, when solid
After body impurity contacts with the inner tube wall of urceolus or the outer tube wall of inner core, the event resolves of centrifugal force and solid impurity
Under gravity along inner tube wall or the outer tube wall landing of inner core of urceolus, but liquid remains in external spiral
In stream, so, the movement locus of the liquid in urceolus and solid impurity thus separates.Under rotating
When the external spiral of fall flows to reach at water fender, cause urceolus bottom pressure relatively big due to the stop of water fender,
Urceolus top then pressure is less, and therefore, the liquid in external spiral stream directly will not screw out from the bottom of urceolus,
But the internal coiling stream of the axial direction formation rotation rising along inner core, this internal coiling stream clear liquid by inner core
Outlet is discharged, say, that clean liquid is discharged to solid-liquid via inner core and purified liquor outlet from bottom to up
Outside hydraulic centrifugal segregation apparatus.Meanwhile, solid impurity then via the opening of urceolus bottom, is discharged by mud
Mouth is discharged.
Still can rotate downwards along with solid impurity by some liquid during above-mentioned centrifugation, one
These liquid of denier are cumulative in housing, on the one hand can affect the solid-liquid separation of mixture, the most also
It is unfavorable for the recovery of liquid in mixture.For this reason, it may be necessary to arrange post-defecation pipe, its lower end is with limbers even
Logical, the cavity that its upper end then and is formed between shell wall and the outer tube wall of urceolus of housing connects, so,
When in cavity, the upper end of the liquid level of liquid and post-defecation pipe maintains an equal level, liquid will be clear via secondary
Pigging, then the limbers by connecting with post-defecation pipe returns in urceolus, and further along the axle of inner core
The internal coiling stream risen that rotates formed to direction is discharged by the purified liquor outlet of inner core.Thus, further
Separated liquid and solid impurity, along with solid impurity rotates downward this partially liq also by fully
Separate, collect, improve separating effect, also reduce the water content of solid ejection simultaneously, thus reduce
The intractability of solid ejection.
It addition, the axial direction that the liquid containing solid impurity is set to its direction and urceolus entering urceolus hangs down
Directly, it is beneficial to it in urceolus, forms external spiral stream.
Additionally, can also arrange a warehouse of sludge in the bottom of housing, it connects with sludge outlet, in order to
Receive the solid impurity that the opening from urceolus bottom falls, thus strengthen the treating capacity of segregation apparatus.
Owing to above-mentioned solid-liquid hydraulic centrifugal segregation apparatus is not provided with any filter screen or filter element, therefore, compare to
Being provided with the segregation apparatus of above-mentioned parts, it is without carrying out backwash and regular maintenance.
Here, the volume of above-mentioned solid-liquid hydraulic centrifugal segregation apparatus is little, simple in construction, it is simple to operation, it is suitable for
In tiny solid impurity is separated from liquid.
It should be noted that the liquid after being discharged by above-mentioned solid-liquid hydraulic centrifugal segregation apparatus can directly carry
Process to subsequent processing.
Another object of the present invention is to provide a kind of acid-washing waste acid reutilization system, this system can not only have
Solid impurity in spent acid is separated, to reduce the solid impurity impact for system by effect ground, additionally it is possible to
Free acid in spent acid and slaine are efficiently separated, recycles the free acid in spent acid, thus
Avoid the supply changing or reducing eo-acid of pickle.It addition, acid-washing waste acid of the present invention recycling is
The working of system is steady, and service life is long.Additionally, acid-washing waste acid of the present invention recycling is
System compact conformation, simple to operate and easy to maintenance.
In order to reach another object, acid-washing waste acid reutilization system provided by the present invention includes:
Spent acid storage tank, which is provided with adding of agent mouth；
Speed change agitating device, is located in spent acid storage tank, to be stirred the material in spent acid storage tank；
Solid-liquid hydraulic centrifugal segregation apparatus as mentioned above, wherein, its charging aperture is by the first pipe
Road connects with spent acid storage tank；
Acid solution case, it is connected with purified liquor outlet by the second pipeline；
Resin bed inhales acid post, by the outlet of the 3rd pipeline with acid solution case bottom it；
Water tank, it is connected by the top of the 4th pipeline with resin bed suction acid post；
Waste liquid discharge pipe, its port of export inhaling acid post with resin bed is connected；
5th pipeline, it is connected between the top of water tank and resin bed suction acid post；
6th pipeline, it is connected between bottom and the entrance of acid solution case that resin bed inhales acid post；
Acid solution outlet tube, its bottom inhaling acid post with resin bed is connected.
In above-mentioned acid-washing waste acid reutilization system, the acid pickle discharged from production line enters into spent acid storage tank
In, chemical agent is added into acid pickle from adding of agent mouth, so that flocculate suspended particles in acid pickle
Become the particle of larger particles, to improve the clearance of particle.In spent acid storage tank, arrange speed change stir
Mix the device flocculation process also for quickening particle, improve the response speed of chemical agent.
Complete the acid pickle of flocculation reaction from tangential inlet at high speed along tangential direction from the top of urceolus
In entrance urceolus, realize effective solid-liquid separation by solid-liquid hydraulic centrifugal segregation apparatus so that without tiny solid
The acid pickle (spent acid clear liquid) of body impurity is from purified liquor outlet is discharged to solid-liquid hydraulic centrifugal segregation apparatus.
Meanwhile, the solid impurity in acid pickle is then discharged to solid-liquid hydraulic centrifugal segregation apparatus by sludge outlet
Outward.
The acid pickle discharged from purified liquor outlet is transported in acid solution case via the second pipeline, and acid solution case is mainly used
Collect acid pickle.Acid pickle in acid solution case is transported to resin bed by the 3rd pipeline and inhales in acid post.?
Before acid pickle enters resin bed suction acid post, resin bed has been filled with water in inhaling acid post.When acid pickle to enter
When resin bed inhales acid post, the part water that resin bed is inhaled in acid post will be transferred in water tank by the 4th pipeline.
When the liquid level of the acid pickle in acid solution case drops to a certain liquid level, resin bed inhale acid post water no longer to
Transfer in water tank.In resin bed inhales acid post, the various anions and canons in acid pickle can carry out a series of
Exchange, separate, concentrate and the physical reaction such as absorption, so that the slaine in acid pickle and free acid are isolated
Coming, the metal salt solution containing metal ion inhales the port of export of acid post by waste liquid discharge pipe quilt via resin bed
Discharging, the acid solution being separated then has been stayed resin bed and has been inhaled in acid post.Liquid when the acid pickle in acid solution case
When face drops to another liquid level, the acid pickle in acid solution case no longer inhales acid by the 3rd pipeline to resin bed
Post conveying acid pickle, now, by exterior line in water tank water filling so that the liquid level in water tank arrives certain
During one liquid level, the water that it is internal is then injected into resin bed by the 5th pipeline and inhales in acid post by water tank, with
The acid solution inhaled by resin bed in acid post cements out, and inhales, from resin bed, the acid solution flowed out acid post at the beginning
It is back in acid solution case by conveying by the 6th pipeline, when the liquid level in water tank arrives another liquid level
Time, resin bed is inhaled acid post and is stopped transport acid solution in acid solution case, the acid being separated in resin bed suction acid post
Solution is transported on required production line (such as, pickling line) by acid liquor delivery pipe.
It should be noted that based on technical scheme, above-mentioned acid-washing waste acid reutilization system is not
Quantity for solid-liquid hydraulic centrifugal segregation apparatus limits.In order to improve the solid-liquid of acid pickle further
Separating effect, multiple solid-liquid hydraulic centrifugal segregation apparatus of can connecting in above-mentioned acid-washing waste acid reutilization system
To obtain more preferable effect.Likewise it is possible to by acid solution case, resin bed inhale acid post and water tank and with aforementioned portion
The associated pipe of part connection regards a processing unit as, and the quantity of this processing unit does not has strict restriction yet,
Can increase and decrease according to actual production demand.
Further, in acid-washing waste acid reutilization system of the present invention, above-mentioned first pipeline is provided with
Pump and valve.
Owing to the acid pickle of output from spent acid storage tank can contain the solid impurity that diameter is less, therefore, need
Pump to be arranged improves the transfer efficiency of liquid, to prevent the blocking of the first pipeline.The setting of valve can so that
Staff is controlled liquid according to the process capacity of solid-liquid hydraulic centrifugal segregation apparatus and is entered by the first pipeline
Enter flow and the flow velocity of solid-liquid hydraulic centrifugal segregation apparatus.
Further, in acid-washing waste acid reutilization system of the present invention, above-mentioned second pipeline, the 3rd
At least one of pipeline, the 4th pipeline, the 5th pipeline and the 6th pipeline is provided with valve.
Similarly, flow through flow and the flow velocity of respective line to control liquid, it is also possible to second, third,
On four, the 5th or the 6th pipeline, valve is set.
Further, in acid-washing waste acid reutilization system of the present invention, above-mentioned waste liquid discharge pipe sets
There is valve, be beneficial to control metal salt solution and flow out flow and the flow velocity of resin bed suction acid post.
Further, in acid-washing waste acid reutilization system of the present invention, above-mentioned acid solution outlet tube sets
There is valve, be used for controlling acid solution and flow out flow and the flow velocity of resin bed suction acid post.
Further, in acid-washing waste acid reutilization system of the present invention, in above-mentioned water tank, it is provided with liquid level
Meter.
Owing to the liquid level of the water in water tank can be continually changing along with the process of acid pickle process.Such as, tree is worked as
Fat bed is inhaled when the part water in acid post will be transferred in water tank by the 4th pipeline maybe when passing through exterior line
Middle when water tank with water, the liquid level of the water in water tank can rise；When water tank by the 5th pipeline inject water into
When resin bed is inhaled in acid post, the liquid level of the water in water tank then can decline.
Further, in acid-washing waste acid reutilization system of the present invention, above-mentioned liquidometer includes
One liquidometer, the second liquidometer and the 3rd liquidometer.
Further, in acid-washing waste acid reutilization system of the present invention, in above-mentioned acid solution case, it is provided with liquid
Position meter.
The process processed as well as acid-washing waste acid due to the liquid level of the acid pickle in acid solution case is continually changing.Example
As, when the acid pickle discharged from the purified liquor outlet of inner core is transported to acid solution case via the second pipeline or works as resin
Bed inhales the acid solution flowed out in acid post when being back in acid solution case by conveying by the 6th pipeline, the spent acid in acid solution case
The liquid level of liquid can rise；Inhale in acid post when the acid pickle in acid solution case is injected into resin bed by the 3rd pipeline
Time, the liquid level of the acid pickle in acid solution case will decline.
Further, in acid-washing waste acid reutilization system of the present invention, above-mentioned liquidometer includes
Four liquidometers, the 5th liquidometer and the 6th liquidometer.
Solid-liquid hydraulic centrifugal segregation apparatus of the present invention make use of hydraulic centrifugal separation principle, it is possible to thoroughly
The solid impurity in liquid is removed on ground, efficiently separates liquid and solid impurity.
It addition, solid-liquid hydraulic centrifugal segregation apparatus of the present invention can efficiently reduce the loss of liquid
Amount, reduces the water content of solid ejection, thus advantageously reduces liquid and add cost, beneficially solid row
The postorder going out thing processes.
Additionally, compare to use filter screen and the centrifugation apparatus of filter element, solid-liquid hydraulic centrifugal of the present invention divides
From device without backwash and regular maintenance, maintenance cost is low, and service life is long.
Free acid in acid pickle and slaine can be entered by acid-washing waste acid reutilization system of the present invention
Row efficiently separates, and makes full use of the free acid in acid pickle to reach the purpose that acid pickle recycles, from
And reduce the interpolation of fresh acid solution, reduce the actual treatment amount of pickle liquor.
Owing to being provided with above-mentioned solid-liquid hydraulic centrifugal segregation apparatus, acid-washing waste acid of the present invention recycling is
The each parts including resin bed suction acid post and pipeline in system are difficult to be blocked by solid impurity, the dimension inspection frequency
Reducing, dimension inspection puts into and reduces, and extends the service life of system, improves the production efficiency of system.
The volume of acid-washing waste acid reutilization system of the present invention is little, compact conformation, simple to operate and operation
Safety.
Accompanying drawing explanation
Fig. 1 is that the solid-liquid hydraulic centrifugal segregation apparatus of the present invention structure under a kind of embodiment is shown
It is intended to.
Fig. 2 is the acid-washing waste acid reutilization system of the present invention structural representation under a kind of embodiment
Figure.
Detailed description of the invention
Illustrate with specific embodiment, solid-liquid hydraulic centrifugal of the present invention to be separated below in conjunction with accompanying drawing
Device and acid-washing waste acid reutilization system make further explanation, but, this explanation and explanation are not
Technical scheme is constituted improper restriction.
Fig. 1 shows the solid-liquid hydraulic centrifugal segregation apparatus of the present invention knot under a kind of embodiment
Structure.
As it is shown in figure 1, the solid-liquid hydraulic centrifugal segregation apparatus 11 under above-mentioned embodiment include housing 111,
Urceolus 112, inner core 113, water fender 114, post-defecation pipe 115 and warehouse of sludge 116.Wherein, shell
The top of body 111 offers charging aperture 111a, and the bottom of housing 111 then offers sludge outlet 111b,
Urceolus 112 is arranged in housing 111, and the top of urceolus 112 is provided with tangential inlet at charging aperture 111a
112a, tangential inlet 112a have multiple, and it is evenly arranged along the circumferential direction of urceolus 112, tangentially enters
The direction that mouth 112a is arranged to solidliquid mixture entrance urceolus 112 is vertical with the axial direction Y of urceolus,
Have opening 112b in the bottom of urceolus 112, inner core 113 is arranged in urceolus 112, and inner core 113
Upper end stretch out from housing 111, the upper end of inner core 113 is provided with purified liquor outlet 113a, and the bottom of inner core is offered
Having opening 113b, meanwhile, the bottom of inner core 113 is relatively higher than the bottom of urceolus 112, and water fender 114 sets
It is placed at the opening 112b of urceolus 112 bottom, water fender 114 is additionally provided with limbers 117, sludge storage
Storehouse 116 is arranged at the bottom of housing 111, and it is arranged corresponding to sludge outlet 111b, post-defecation pipe
The lower end of 115 connects with limbers 117, and its upper end then and is formed between housing 111 and urceolus 112
Cavity 118 connects, so, and the once liquid level of liquid and post-defecation pipe 115 in cavity 118
When upper end flushes, liquid just can be via post-defecation pipe 115, then by with post-defecation pipe 115 even
Logical limbers 117 returns in urceolus 112, and the rotation of the axial direction formation further along inner core 113
The internal coiling stream risen is discharged by the purified liquor outlet 113a of inner core 113.Thus, achieve further
The solid-liquid separation of the liquid containing solid impurity fallen on water fender, improves separating effect, decreases solid
The water content of ejection, thus reduce the intractability of solid ejection.
With continued reference to Fig. 1, acid pickle A (the such as waste mixed acid, such as HF and HNO containing solid impurity3
Nitration mixture) from tangential inlet 112a at high speed along tangential direction from the top of urceolus 112 enter urceolus 112
In, the inner tube wall along urceolus 112 from top to bottom rotates and forms external spiral stream, now, contains
The acid pickle of solid impurity become circular motion from linear motion.Solid impurity can produce centrifugal force, suspends
In the solid impurity of external spiral stream under the action of the centrifugal at inner tube wall and the outer tube wall of inner core 113 of urceolus 112
Between move.When the inner tube wall of solid impurity and urceolus 112 or after contacting with the outer tube wall of inner core 113, from
Heart event resolves and solid impurity are under gravity along inner tube wall or the urceolus of inner core 113 of urceolus 112
Wall landing, but acid pickle liquid remains in external spiral stream, so, the acid pickle in urceolus 112 and
The movement locus of solid impurity thus separates.Flow to reach at water fender 114 when rotating the external spiral declined
Time, cause urceolus 112 bottom pressure relatively big due to the stop of water fender 114, and urceolus 112 top because of
The formation of external spiral stream and cause intermediate pressure less, therefore, the acid pickle in external spiral stream will not be from urceolus
The bottom of 112 directly screws out, but the internal coiling stream of the axial direction formation rotation rising along inner core 113,
This internal coiling stream is discharged by the purified liquor outlet 113a of inner core 113.So, without the acid pickle B of solid impurity
From bottom to up by inner core 113, it is discharged to solid-liquid hydraulic centrifugal segregation apparatus via purified liquor outlet 113a
Outside 11；Meanwhile, the solid impurity C in acid pickle is then carried by the opening 112b of urceolus 112 bottom
To warehouse of sludge 116, passed through by warehouse of sludge 116, be discharged to via sludge outlet 111b
Outside solid-liquid hydraulic centrifugal segregation apparatus 11, thus, solid-liquid hydraulic centrifugal segregation apparatus 11 completes containing
The solid-liquid separation of the acid pickle of solid impurity processes.
Fig. 2 shows the acid-washing waste acid reutilization system of the present invention structure under a kind of embodiment.
As in figure 2 it is shown, acid-washing waste acid reutilization system of the present invention is disposed with in X direction: useless
Acid storage tank 10, solid-liquid hydraulic centrifugal segregation apparatus 11, water tank 12, resin bed inhale acid post 13 and acid solution case
14.Wherein, the top of spent acid storage tank 10 is provided with adding of agent mouth 101, in order to chemical agent puts into extremely
In spent acid storage tank 10, spent acid storage tank is additionally provided with speed change agitating device 15 for stirring spent acid storage tank 10
In the acid pickle containing solid impurity so that the tiny particle in acid pickle is in the effect of chemical agent
Lower flocculation generates the particle being easy to remove, be relatively large in diameter.Entering of solid-liquid hydraulic centrifugal segregation apparatus 11
Material mouth 111a is connected with spent acid storage tank 10 by pipeline 21, and the first import 141 of acid solution case 14 is by pipe
Road 22 connects with the purified liquor outlet 113a of solid-liquid hydraulic centrifugal segregation apparatus 11, and resin bed inhales acid post 13
Bottom is connected with the outlet 143 of acid solution case 14 by pipeline 23, and the first import 121 of water tank 12 is passed through
Pipeline 24 is inhaled the top of acid post 13 and is connected with resin bed, and acid is inhaled with resin bed in one end of waste liquid discharge pipe 16
The port of export 13a connection of post 13, its other end then connects with Waste Water Treatment 17, the end of water tank 12
Portion is connected by the top of pipeline 25 with resin bed suction acid post 13, and resin bed is inhaled the bottom of acid post 13 and then led to
Cross pipeline 26 to connect with the second import 142 of acid solution case 14, one end of acid solution outlet tube 18 and resin bed
Inhaling the bottom connection of acid post 13, its other end then connects with pickling line 19.Second import 122 of water tank 12
Connected with industrial water system 30 by pipeline 20.
With continued reference to Fig. 2, at pipeline 21, it is respectively arranged with delivery pump 211 and 251 on 25, at pipeline 21
On valve 212 is set, pipeline 22 is provided with valve 222, pipeline 23 is provided with valve 232 and 233,
Pipeline 24 is provided with valve 242, pipeline 25 is provided with valve 252 and 253, pipeline 26 sets
It is equipped with valve 262.It addition, be provided with valve 162 on waste liquid discharge pipe 16, acid solution outlet tube 18 sets
It is equipped with valve 182, pipeline 20 is provided with valve 202.Additionally, be additionally provided with Pressure gauge P on pipeline 23,
To guarantee that resin bed inhales the pressure in acid post less than threshold range.
Measure respectively in corresponding container as in figure 2 it is shown, be equipped with liquidometer in water tank 12 and acid solution case 14
Water and acid pickle liquid level height, wherein, in water tank 12, be provided with first liquidometer the 4011, second liquid
Position meter 4012 and the 3rd liquidometer 4013, be provided with the 4th liquidometer the 4021, the 5th liquid in acid solution case 14
Position meter 4022 and the 6th liquidometer 4023.In first, second, third liquidometer correspondence measurement water tank respectively
The first liquid level of water, the second liquid level and the 3rd liquid level.Four, the five, the 6th liquidometers correspondence respectively is surveyed
4th liquid level, the 5th liquid level and the 6th liquid level of the acid pickle in amount acid solution case.
As depicted in figs. 1 and 2, during acid-washing waste acid recycles, the spent acid discharged from production line
Liquid enters in spent acid storage tank 10, and chemical agent is added into spent acid storage tank 10 from adding of agent mouth 101,
So that tiny flocculate suspended particles becomes the particle of larger particles, meanwhile, speed change stirring dress in acid pickle
Put 15 stirring acid pickles and accelerate the flocculation rate of particle.Acid pickle containing solid impurity passes through pipeline
21 enter solid-liquid hydraulic centrifugal segregation apparatus from charging aperture 111a, in solid-liquid hydraulic centrifugal segregation apparatus
After thoroughly removing tiny solid impurity, solid impurity is then discharged from sludge outlet 111b, opens valve 222,
Acid pickle enters acid solution case 14 from purified liquor outlet 113a by pipeline 22, the acid pickle in acid solution case 14
When arriving six liquid levels, close valve closing 222, open valve 232,233, by pipeline 23 by acid solution case 14
Acid pickle be delivered to resin bed and inhale in acid post 13, and open valve 242, resin bed inhaled in acid post 13
Part water will be transferred in water tank 12 by pipeline 24, and (before acid pickle enters, resin bed inhales acid post
Water it has been filled with in 13), when the liquid level of the acid pickle in acid solution case 14 drops to five liquid levels, close
Valve closing 242, the water that resin bed is inhaled in acid post 13 no longer shifts in water tank 12.Acid post 13 is inhaled at resin bed
In, the anions and canons in acid pickle can carry out a series of exchange, separate, concentrates and the materialization such as absorption is anti-
Should, the slaine in acid pickle and free acid to be separated, open valve 162, containing metal ion
The port of export 13a that metal salt solution inhales acid post 13 top via resin bed is discharged by waste liquid discharge pipe 16
Carrying out subsequent treatment to Waste Water Treatment 17, the acid solution being separated then has been stayed resin bed and has been inhaled acid post
In 13.When the liquid level of the acid pickle in acid solution case 14 drops to four liquid levels, close valve closing 232,233,
Acid pickle in acid solution case 14 is no longer inhaled acid post 13 by pipeline 23 to resin bed and is carried acid pickle, opens
Valve 202, industrial water system by pipeline 20 in water tank 12 water filling so that the liquid level of water in water tank 12
When arriving three liquid levels, open valve 252,253, the water in water tank 12 is noted by water tank 12 by pipeline 25
Enter and inhale in acid post 13 to resin bed, cement out with the acid solution that resin bed is inhaled in acid post 13, open valve
262, inhale, from resin bed, the acid solution flowed out acid post 13 and be back in acid solution case 14 by conveying by pipeline 26.
When the liquid level in water tank 12 arrives the second liquid level, closing valve closing 262, resin bed is inhaled acid post 13 and is stopped to acid
Transport acid solution in liquid case 14, opens valve 182, and resin bed inhales the acid solution being separated in acid post 13
It is transported to pickling line 19 by acid liquor delivery pipe 18.Open valve 252,253, water tank 12 passes through pipeline
Water in water tank 12 is filled resin bed by 25 again inhales acid post 13, to treat to circulate next time.
Acid-washing waste acid reutilization system of the present invention can be used to locate reason rustless steel production technology and produced
Raw waste mixed acid (such as HF and HNO3), it is possible to effectively remove the metal ion in waste mixed acid, fully
Utilize the free acid in waste mixed acid, the recovery utilization rate of acid solution is up to 97%, not only reduces eo-acid
Addition, also reduces antacid reagent consumption amount.
It should be noted that the listed above specific embodiment being only the present invention, it is clear that the invention is not restricted to
Above example, has the similar change of many therewith.If those skilled in the art is open from the present invention
Content all deformation of directly deriving or associating, protection scope of the present invention all should be belonged to.
Claims (10)
1. a solid-liquid hydraulic centrifugal segregation apparatus, it is characterised in that including:
Housing, its top is provided with charging aperture, is provided with sludge outlet bottom it；
Urceolus, it is located in described housing, and the top of described urceolus is provided with tangentially to enter at charging aperture
Mouthful, described tangential inlet is arranged to solidliquid mixture and enters the direction of urceolus and the axial direction of urceolus
Vertically；The bottom of described urceolus has opening；
Inner core, it is located in described urceolus, and the upper end of inner core is stretched out from housing, and the upper end of inner core sets
Having purified liquor outlet, the bottom of inner core has opening, and the bottom of inner core is relatively higher than the bottom of urceolus；
Water fender, it is located at the bottom end opening of urceolus, and described water fender is provided with limbers；
Post-defecation pipe, its lower end connects with described limbers, the upper end of post-defecation pipe and described shell
The cavity connection formed between body and urceolus.
2. an acid-washing waste acid reutilization system, it is characterised in that including:
Spent acid storage tank, which is provided with adding of agent mouth；
Speed change agitating device, is located in described spent acid storage tank, to stir the material in spent acid storage tank
Mix；
Solid-liquid hydraulic centrifugal segregation apparatus as claimed in claim 1, wherein said charging aperture is by the
One pipeline connects with spent acid storage tank；
Acid solution case, it is connected with described purified liquor outlet by the second pipeline；
Resin bed inhales acid post, by the outlet of the 3rd pipeline with described acid solution case bottom it；
Water tank, it is connected by the top of the 4th pipeline with described resin bed suction acid post；
Waste liquid discharge pipe, its port of export inhaling acid post with described resin bed is connected；
5th pipeline, it is connected between the top of described water tank and resin bed suction acid post；
6th pipeline, it is connected between bottom and the entrance of acid solution case that resin bed inhales acid post；
Acid solution outlet tube, its bottom inhaling acid post with resin bed is connected.
3. acid-washing waste acid reutilization system as claimed in claim 2, it is characterised in that on described first pipeline
It is provided with pump and valve.
4. acid-washing waste acid reutilization system as claimed in claim 2, it is characterised in that described second pipeline,
At least one of 3rd pipeline, the 4th pipeline, the 5th pipeline and the 6th pipeline is provided with valve.
5. acid-washing waste acid reutilization system as claimed in claim 2, it is characterised in that described waste liquid discharge pipe
It is provided with valve.
6. acid-washing waste acid reutilization system as claimed in claim 2, it is characterised in that described acid solution outlet tube
It is provided with valve.
7. acid-washing waste acid reutilization system as claimed in claim 2, it is characterised in that be provided with in described water tank
Liquidometer.
8. acid-washing waste acid reutilization system as claimed in claim 7, it is characterised in that described liquidometer includes
First liquidometer, the second liquidometer and the 3rd liquidometer.
9. acid-washing waste acid reutilization system as claimed in claim 2, it is characterised in that set in described acid solution case
There is liquidometer.
10. acid-washing waste acid reutilization system as claimed in claim 9, it is characterised in that described liquidometer includes
4th liquidometer, the 5th liquidometer and the 6th liquidometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510220433.2A CN106178626B (en) | 2015-05-04 | 2015-05-04 | A kind of solid-liquid hydraulic centrifugal separator and acid-washing waste acid reutilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510220433.2A CN106178626B (en) | 2015-05-04 | 2015-05-04 | A kind of solid-liquid hydraulic centrifugal separator and acid-washing waste acid reutilization system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106178626A true CN106178626A (en) | 2016-12-07 |
| CN106178626B CN106178626B (en) | 2018-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510220433.2A Active CN106178626B (en) | 2015-05-04 | 2015-05-04 | A kind of solid-liquid hydraulic centrifugal separator and acid-washing waste acid reutilization system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108203196A (en) * | 2017-12-16 | 2018-06-26 | 朱浩奇 | A kind of municipal sewage treatment purifier |
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| Publication number | Publication date |
|---|---|
| CN106178626B (en) | 2018-05-29 |
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