CN206103427U - A precipitation cauldron for handling metallurgical waste water - Google Patents
A precipitation cauldron for handling metallurgical waste water Download PDFInfo
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- CN206103427U CN206103427U CN201621045960.0U CN201621045960U CN206103427U CN 206103427 U CN206103427 U CN 206103427U CN 201621045960 U CN201621045960 U CN 201621045960U CN 206103427 U CN206103427 U CN 206103427U
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Abstract
The utility model discloses a precipitation cauldron for handling metallurgical waste water, including the cavity, cavity upper end sealing connection has the upper cover that has the blast pipe, and the well upper portion equipartition of cavity has a plurality of inlet pipe, and the inlet pipe adopts the oblique intubation type structure in tangential, and the inside top of cavity is equipped with purifier, and purifier fixed mounting is between inlet pipe and blast pipe, and purifier includes louver boards and labyrinth swash plate, and the top of labyrinth swash plate is located to the louver boards. Through being the inlet pipe design the oblique intubation type structure in tangential, waste water gets into the cavity with rotatory centrifugal mode, and then has reduced the impact of material to the cavity by a wide margin, has eliminated the influence of material to the cavity, has realized steady reinforcedly, through the purifier who sets up, prolonged interior ozone of cavity and the dwell time that waste gas mixes, make ozone react for a long time with waste gas, exhaust purification is respond well, and non - gaseous matter content is few in the exhaust purge gas, has reached the purpose of green emission.
Description
Technical field
The present invention relates to smelting wastewater processing equipment field, more particularly to a kind of precipitation reaction for processing Metallurgical Waste Water
Kettle.
Background technology
Smelting wastewater is broadly divided into blast furnace gas waste water and steel-making ironmaking waste water, and BF Gas Washing water mainly contains more
Sulfide and carbide, typically by lime softenings-carbonizatin method PROCESS FOR TREATMENT, make steel and smelt iron waste water and be mainly hot rolling and cold
Roll waste water, therefore often in waste water containing substantial amounts of heavy metal and iron ion, when particularly rolling color steel, chromium that it contains, zinc,
The heavy metal amounts such as manganese are higher.At present, for the processing method of such waste water typically adopts neutralisation treatment method, chemical method or UF membrane
Method, wherein being generally used due to advantages such as neutralisation treatment method low cost, process is simple, effect is significants.
In existing handling process, a kind of reactor or reactor for wastewater sedimentation reaction can be often used, due to
Special reactor is not designed with to smelting wastewater process, suitable the answering property of the existing precipitation reaction kettle for using is poor, often goes out
Existing various problems, for example, existing precipitation reaction kettle is standing agitating device, to realize being stirred material, due to
Containing substantial amounts of metal ion and spent acid in waste water, these materials can be to the blade of agitating device and drive rod, particularly its company
Connect gap location and cause heavy corrosion and blocking, cause blade surface " having rusty stains ", junction usually to tie full dirt and be difficult to clear
Remove, even if carrying out depth cleaning, the deep-etching effect of waste water is difficult to ensure that the dimensional stability of agitating device, causes stirring dress
The stirring vane put needs to change often, and this undoubtedly increased the operating cost of precipitation reaction kettle, meanwhile, agitating device is in stirring
During smelting wastewater, mixing effect is unsatisfactory, and the flocculant of addition is simultaneously not sufficiently mixed in smelting wastewater, and then causes flocculation
The addition of agent is more, increased the energy consumption of precipitation reaction kettle.
Meanwhile, the feed way of existing precipitation reaction kettle is fed from the upper cover of reactor, this feed way
Need strict control feeding quantity and charging rate, otherwise old flirtatious that reactor to rock because of the impact of material, affect work
The normal operation made, and, after by material for a long time impact, cavity can be locally deformed with reactor, and then further shadow
The normal operation of the equipment of sound.In addition, often producing unpleasant waste gas in precipitation reaction kettle, in the waste gas H is often accompanied by2S gases and one
The vapor of a little metal ions.These waste gas are serious to equipment and pipeline corrosion, and the working environment around contaminated equipment, give
The healthy of field worker works the mischief, it is impossible to reach the purpose of green discharge.
The content of the invention
The present invention goal of the invention be：For above-mentioned problem, there is provided a kind of for processing the heavy of Metallurgical Waste Water
Shallow lake reactor, to solve above-mentioned problem.
The technical solution used in the present invention is as follows：A kind of precipitation reaction kettle for processing Metallurgical Waste Water, including cavity, chamber
Body upper end is sealedly connected with the upper cover with blast pipe, and cavity lower end is tightly connected the lower envelope with air inlet pipe and blow-off pipe
Head, the middle and upper part of cavity is evenly equipped with several feed pipes, and feed pipe adopts tangential oblique cutting tubular structure, sets above inside cavity
There is purifier, purifier is fixedly installed between feed pipe and blast pipe, purifier includes that shutter board and labyrinth type are oblique
Plate, shutter board is located at the top of labyrinth type swash plate.
Due to the setting of said structure, by the way that feed pipe is designed as into tangential oblique cutting tubular structure, waste water is with rotating centrifugal
Mode enters cavity, and then greatly reduces impact of the material to cavity, eliminates impact of the material to cavity, realizes steady
Charging；By using the oxidizing property of ozone, ozone is passed through into cavity, then a purifier is being set, purifier is used
In the time of staying for extending the mixed gas of formation after ozone mixes with waste gas in cavity, enable the ozone that do not react completely with
Waste gas long-time is reacted, and eliminates the H in waste gas2S and NXO, to reach deodorant purpose, makes ozone be fully used, meanwhile, it is smelly
Sulfate precipitation that oxygen is produced in oxidizing process and the non-gaseous material obtained by gear will go downstream along slanting baffle, final Jing
Shutter board is fallen in cavity, makes non-gaseous material content in the gas of discharge seldom, reach the purpose of green discharge.
Preferably, feed pipe is towards cavity lower tangential oblique cutting, the inclination angle of its horizontal plane is 5 ° -15 °, and waste water energy is more preferable
Ground flows into cavity bottom along cavity rotation, and then increased spreading area of the waste water in cavity, beneficial to the process in later stage, together
When also greatly reduce impact of the waste water to cavity, eliminate waste water and sputter everywhere when into cavity and pollute inside cavity
Phenomenon, realizes steady charging, and precipitation reaction kettle swings little, it is ensured that process safety.
Further, it is contemplated that shutter board is mainly used in stopping non-gaseous matter, stronger corrosion resistance and antiseized is needed
Knot ability, coats one layer of anti-corrosion antifouling paint on shutter board, anti-corrosion antifouling paint is made up of the raw material of following weight portion：Vinyl
Resin 40-45 parts, modified graphene 2-6 parts, mica powder 5-7 parts, Cu and its oxides powder 10-15 parts, butyl acetate 18-30
Part, silicon carbide powder 2-5 parts, dispersant 1-2 parts and levelling agent 0.5-1 parts.
Further, the preparation method of resistant Graphene coating includes：
Step 1, for Graphene and the absolute ethyl alcohol of 10-20nm in mass ratio it is 1 by thickness：80 proportion relation be blended in
In agitator and it is sufficiently stirred for, the silane coupler for being subsequently adding 0.6wt% stirs, then mixture is put into into ultrasonic wave breast
Change disperser fully dispersed, finally take out mixture and be put in baking oven and dry, obtain modified graphene, it is standby；
Step 2, vinylite and dispersant B YK-ATU are added in reactor, then with mixer with 800r/min
Rotating speed blending ingredients are stirred until be uniformly dispersed, obtain base-material；
Sequentially add in step 3, the base-material obtained to step 2 modified graphene, mica powder, silicon carbide powder, copper and its
Oxide powder, is subsequently adding butyl acetate, and compound is sufficiently stirred for mixer, and mixing speed is 1000r/min,
Until being uniformly dispersed, initial point is obtained；
Step 4, levelling agent BYK-355 is added in the initial point of step 3, obtain not solid after being uniformly dispersed with dispersion machine
The coating of change, uncured coating is pumped in the storage tank of air gun, and hundred for processing then are sprayed on air gun
The surface of impeller, stands to coating levelling, the vacuum bakeout film-forming at 140 DEG C, and 10min is then incubated again, cold with stove
But obtain final product to room temperature.
In above-mentioned, used as corrosion-resistant, resistance to osmoticum, its outstanding combination property having can be significantly for modified graphene
The combination property of anti-corrosion antifouling paint is improved, can make the resistance to erosion and strong acid-base resistance of the coating to be formed is strengthened；Copper and
Its oxide powder can form micrometer structure on the surface of the coating for being formed, particularly when copper is oxidized to nanostructured
Cu2During O, and Cu oxide collective effect, on the surface of coating with time slowly long nanowire, these nano wires can be played and subtracted
Little macromolecular dirt and the contact area of coating, are restricted sprawling for macromolecular dirt, show coating macroscopically, is made
With certain hydrophobic performance, and then while the antiseptic property of anti-corrosion antifouling paint is improved, the painting of anti-corrosion resistant is also improved
The durability against pollution of material, makes coating more durable in use；Mica powder can be formed in coating in the presence of surface tension and put down substantially
Capable orientations, prevent corrosive goods confrontation coating in mixed gas from being permeated, and improve the corrosion resistance of coating, while
Mica powder can also bear tension, increased the adhesive force of coating, improve the mechanical performance of coating.
Further, in order to preferably implement purifier of the invention, labyrinth type swash plate includes L-type baffle plate, L-type baffle plate edge
Cavity axial direction, is inclined and mounted on successively from top to bottom in cavity and forms labyrinth type swash plate, and L-type baffle plate is by slanting baffle and perpendicular gear
Plate is constituted, and slanting baffle and perpendicular baffle plate are crossed to form L-shaped, its intersecting angle can at 30 ° -150 °, preferably 60 ° or
120 °, slanting baffle and perpendicular baffle plate are fixedly connected to form L-type baffle plate, or are formed as one L-type baffle plate certainly.
Further, in order that the gas of purification preferably escapes purifier, the perpendicular baffle plate of L-type baffle plate keeps off with adjacent L-type
The spacing of the slanting baffle of plate is 5-20mm.
Further, erect baffle plate and be provided with some through holes, the percent opening for erecting baffle plate is 50-80%.
In sum, as a result of above-mentioned technical proposal, the invention has the beneficial effects as follows：
1st, by the way that feed pipe is designed as into tangential oblique cutting tubular structure, waste water enters cavity in rotating centrifugal mode, and then
Impact of the material to cavity is greatly reduced, impact of the material to cavity is eliminated, steady charging is realized；
2nd, by using the oxidizing property of ozone, ozone is passed through into cavity, then a purifier, purification dress is being set
The time of staying for extending the mixed gas formed after ozone mixes with waste gas in cavity is put, the ozone not reacted completely is enable
Enough and waste gas long-time is reacted, and eliminates the H in waste gas2S and NXO, to reach deodorant purpose, makes ozone be fully used, together
When, sulfate precipitation that ozone is produced in oxidizing process and the non-gaseous material obtained by gear will go downstream along slanting baffle,
Final Jing shutter boards are fallen in cavity, make non-gaseous material content in the gas of discharge few, and then waste gas is purified
Process, reached the purpose of green discharge.
Description of the drawings
Fig. 1 is a kind of precipitation reaction kettle structural representation of the present invention；
Fig. 2 is the structural representation of Section A-A in Fig. 1；
Fig. 3 is the purifier structural representation of the precipitation reaction kettle of the present invention；
Fig. 4 is the partial enlarged drawing of part B in Fig. 3；
Fig. 5 is the boiling plate and gas distributing chamber structural representation of the precipitation reaction kettle of the present invention；
Fig. 6 is the overlooking the structure diagram of another kind of situation of the gas distributing chamber of the present invention；
Fig. 7 is the structural representation top view when aperture opening and closing device of the present invention is closed；
Fig. 8 is the opening structural representation of aperture opening and closing device.
Mark in figure：1 is precipitation reaction kettle, and 101 is cavity, and 102 is upper cover, and 1021 is blast pipe, and 103 is lower envelope
Head, 1031 is air inlet pipe, and 1032 is blow-off pipe, and 104 is filling pipe, and 105 is clear liquid pipe, and 106 is feed pipe, and 107 are purification dress
Put, 1071 is shutter board, and 1072 is labyrinth type swash plate, and 1073 is slanting baffle, and 1074 are perpendicular baffle plate, and 1075 is through hole, and 108 are
Boiling plate, 1081 is pore, and 1082 is little boiling plate, and 109 is gas distributing chamber, and 1091 are sealing dividing plate, and 1092 is little gas
Distributing chamber, 110 be aperture opening and closing device, 1101 aperture opening and closing discs, 1102 is support ring, and 1103 is fan blades, and 1104 is pull bar.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1 to Figure 3, a kind of precipitation reaction kettle 1 containing heavy metal metallurgy waste water, including cavity 101, cavity 101
Upper end is sealedly connected with the upper cover 102 with blast pipe 1021, and the lower end of cavity 101 is tightly connected with air inlet pipe 1031 and row
The low head 103 of dirty pipe 1032, the top of the side of cavity 101 is provided with filling pipe 104, and the top of the opposite side of cavity 101 is provided with
Clear liquid pipe 105, on the middle and upper part of cavity 101, is evenly equipped with several feed pipes 106, and feed pipe 106 is tied using tangential oblique cutting tubular type
Structure；In cavity 101, the top of cavity 101 is provided with purifier 107.
Used as a kind of embodiment, the bottom of cavity is provided with boiling device, and the boiling device includes boiling plate 108, boiling
Rise the middle part perforate of plate 108 and connect blow-off pipe 1032, cavity discharges material by blow-off pipe, so that sludge flows into blowdown
In pipe 1032, the formation of boiling plate 108, blow-off pipe 1032 and low head 103 seals against each other connection and forms gas distributing chamber 109, enters
Tracheae 1031 is passed through gas in gas distributing chamber 109.
Mode is preferably carried out as one kind, feed pipe 106 is towards the lower tangential oblique cutting of cavity 101, the inclination of its horizontal plane
Angle is 5 ° -15 °, preferably 7 °, 0 ° or 15 ° is also may be selected certainly.By centrifugal rotation and the acceleration down for giving, give up
Water energy preferably flows into the bottom of cavity 101 along the rotation of cavity 101, and then increased spreading area of the waste water in cavity 101,
Beneficial to the process in later stage, while also greatly reduce impact of the waste water to cavity 101, waste water is eliminated when into cavity everywhere
Sputter and pollute the phenomenon inside cavity 101, realize steady charging, precipitation reaction kettle 1 swings little, it is ensured that process safety.
Furthermore, purifier 107 includes shutter board 1071 and labyrinth type swash plate 1072, such as Fig. 3 and Fig. 4 institutes
Show, below shutter board 1071, the top of shutter board 1071 is that labyrinth type is oblique for filling pipe 104, clear liquid pipe 105 and feed pipe 106
Plate 1072, shutter board 1071 is used for by gas and stops simultaneously non-gaseous material.
As a kind of embodiment is entered, as shown in Figure 3 and Figure 4, labyrinth type swash plate 1072 include L-type baffle plate, L-type baffle plate by
Slanting baffle 1073 and perpendicular baffle plate 1074 are constituted, and slanting baffle 1073 and perpendicular baffle plate 1074 are crossed to form L-shaped, and its intersecting angle is can
With between 30 ° -150 °, preferably 60 ° or 120 °, slanting baffle 1073 and perpendicular baffle plate 1074 can be divided into two parts and be formed
L-type baffle plate, it is also possible to be formed as one L-type baffle plate certainly, L-type baffle plate inclines successively be fixedly mounted in cavity 101 from top to bottom,
To form labyrinth type swash plate 1072.
As entering a kind of preferred embodiment, the perpendicular baffle plate 1074 of L-type baffle plate and the slanting baffle 1073 of adjacent L-type baffle plate
Spacing is 5-20mm, preferably 8mm.Perpendicular baffle plate 1074 is provided with some through holes 1075, and the percent opening for erecting baffle plate is 50-80%, excellent
65% is elected as, in order to gas by through hole to the upper flow of cavity 101, while ensureing that perpendicular baffle plate has certain intensity.
As shown in figure 1, the top of purifier 107 is blast pipe 1021, blast pipe 1021 passes through axial fan 4 by chamber
Gas in body 101 is discharged to outside cavity 101.Purifier 107 is used to extend the time of staying of mixed gas in cavity 101,
The ozone not reacted completely is reacted with waste gas long-time, eliminate the H in waste gas2S and NXO, to reach deodorant purpose, together
When, make ozone be fully used.
More specifically, the one side of purifier 107 can make non-gaseous material content in the gas of discharge few, the opposing party
Face, makes the foul smell that waste water is produced mix with the ozone not reacted completely and is sufficiently mixed, and extends its time of staying, in course of reaction
In, the sulfate precipitation of generation and the non-gaseous material obtained by gear go downstream along slanting baffle 1073, final Jing shutter boards 1071
Fall in cavity 101.
Furthermore, it is contemplated that shutter board is mainly used in stopping non-gaseous matter, the stronger corrosion resistance of needs
With anti-stick ability, one layer of anti-corrosion antifouling paint is coated on shutter board, anti-corrosion antifouling paint is made up of the raw material of following weight portion：
Vinylite 40-45 parts, modified graphene 2-6 parts, mica powder 5-7 parts, Cu and its oxides powder 10-15 parts, acetic acid fourth
Ester 18-30 parts, silicon carbide powder 2-5 parts, dispersant 1-2 parts and levelling agent 0.5-1 parts.
Further, the preparation method of resistant Graphene coating includes：
Step 1, for Graphene and the absolute ethyl alcohol of 10-20nm in mass ratio it is 1 by thickness：80 proportion relation be blended in
In agitator and it is sufficiently stirred for, the silane coupler for being subsequently adding 0.6wt% stirs, then mixture is put into into ultrasonic wave breast
Change disperser fully dispersed, finally take out mixture and be put in baking oven and dry, obtain modified graphene, it is standby；
Step 2, vinylite and dispersant B YK-ATU are added in reactor, then with mixer with 800r/min
Rotating speed blending ingredients are stirred until be uniformly dispersed, obtain base-material；
Sequentially add in step 3, the base-material obtained to step 2 modified graphene, mica powder, silicon carbide powder, copper and its
Oxide powder, is subsequently adding butyl acetate, and compound is sufficiently stirred for mixer, and mixing speed is 1000r/min,
Until being uniformly dispersed, initial point is obtained；
Step 4, levelling agent BYK-355 is added in the initial point of step 3, obtain not solid after being uniformly dispersed with dispersion machine
The coating of change, uncured coating is pumped in the storage tank of air gun, and hundred for processing then are sprayed on air gun
The surface of impeller, stands to coating levelling, the vacuum bakeout film-forming at 140 DEG C, and 10min is then incubated again, cold with stove
But obtain final product to room temperature.
In order to preferably explain and implementing the anti-corrosion antifouling paint of the present invention, table 1 below shows that the hard of the present invention gathers
Several Ju Ti Pei Fangs of urethane material, it should be noted that in detail below formula primarily to preferably implement the present invention, and not
In order to limit the present invention.
Table 1：
Note：The parameter of above-mentioned each component represents that parts by weight, i.e. unit are weight portion.
In upper table, the coating for obtaining respectively is filled a prescription after testing, detect that its adhesive force reaches 1 grade, in 200 DEG C of * by cross-hatching
Under 200h, coating drops, and at 80 DEG C, after the hot sulfuric acid of 15wt% soaks 60 days, coating surface Non Apparent Abnormality has
Outstanding corrosion resistance.
As shown in Figure 5 and Figure 6, it is evenly equipped with boiling plate 108 in some pores 1081, pore 1081 and is provided with pour mask, in case
Only waste water is flowed backward in gas distributing chamber 109, and the cross section of boiling plate 108 can be straight line, or concave, it is preferable that
The section of boiling plate 108 is the camber line towards the lower knuckle of cavity 101, so that the waste water or sludge on boiling plate 108 comes together in
The top of blow-off pipe 1032, in order to preferably blowdown.
Ozone gas are passed through to gas distributing chamber 109 by air inlet pipe 1031, when the pressure in gas distributing chamber 109 reaches
After certain value, sprayed in cavity 101 by the pore 1081 on boiling plate 108, the waste water or sludge on boiling plate 108 is spraying
Gas in the presence of, rapid " boiling "（So-called boiling, steams in a large number phenomenon for one kind in liquid actually, and and non-traditional
The boiling of liquid generation is made in meaning by high-temperature heating）, occur a large amount of bubbles in waste water, with centrifugal rotation, bubble dish
Liter is screwed on, makes the waste water in precipitation reaction kettle 1 that fierce stirring to occur, make the concentration distribution of waste water evenly, and without the need for again to useless
Water carries out mechanical agitation, eliminates mechanical stirring device, simplify the frame for movement of precipitation reaction kettle 1, it is to avoid mechanical agitation
The various problems that device band is come, make the adaptability of precipitation reaction kettle 1 higher.Meanwhile, in the bubble that helical disk rises, in bubble
Gas is fully contacted with waste water, increases the contact area of ozone and waste water and extends time of contact, waste water and ozone
Reaction more fully, improves the utilization rate of ozone.
Used as a kind of improvement project, gas distributing chamber 109 can be mutually divided into multiple mutual by sealing dividing plate 1091
Independently little gas distributing chamber 1092, as shown in fig. 6, not exchange information between adjacent little gas distributing chamber 1092, each little gas
Distributing chamber 1092 is at least connected with an air inlet pipe 1031, by the way that gas distributing chamber 109 is divided into into multiple little gas distributing chamber
1092, the tolerance size in each region on boiling plate 108 as needed, can be arbitrarily adjusted, make the waste water or sludge on boiling plate 108
Uniformly " seethe with excitement ", to prevent cavity 101 in certain region tolerance it is not enough or excessive, ozone is contacted with waste water or sludge and more fill
Divide, foot phenomenon is not present for contactless blind area or contact, improves reaction efficiency.Preferably, gas distributing chamber 109 can by sealing every
Plate 1091 is divided into 6 independent little gas distributing chamber 1092, and each little gas distributing chamber 1092 connects an air inlet pipe 1031,
To better control over the tolerance size in each region on boiling plate 108, so that gas is carried out more effectively with the waste water in cavity 101
Uniform mixing contact, make that reaction carries out is more abundant.
In above-mentioned, the setting of little gas distributing chamber 1092 can also in time solve the problems, such as that putty and waste water mixing are uneven, i.e.
When multiple pores 1081 of certain pore 1081 on boiling plate 108 or certain region are blocked, only need to be somebody's turn to do by increasing
The throughput of the accordingly little gas distributing chamber 1092 of pore 1081 makes pore 1081 again unobstructed, compared to only one of which gas
The structure of distributing chamber 109, the throughput without the need for increasing whole gas distributing chamber 109 reduces the ventilation solved needed for the problem
Amount, pressurization time is short, and reacting treatment time is fast, it is to avoid the addition of overall throughput is to the adverse effect that causes in cavity 101
（Excessively " seethe with excitement " and be easily caused waste water or sludge splashes, purifier is vulnerable to contaminated wastewater）；When waste water is in rotation mixing
During, when there is uneven mixing and windrow problem in the waste water in cavity 101 in certain region, only need to be by increasing the region institute
The throughput of corresponding little gas distributing chamber 1092 can just solve the problem, make ozone more abundant with waste water hybrid reaction, improve
The conformability of precipitation reaction kettle 1.
Used as further improvement project, boiling plate 108 can also be divided into multiple little boiling plates 1082, adjacent little boiling plate
It is tightly connected between 1082, or little boiling plate 1082 correspondingly is divided into also dependent on the quantity of gas distributing chamber 109,
I.e. each little boiling plate 1082 corresponds to a Ge little gases distributing chamber 1092, as shown in fig. 6, sealing seamless between little boiling plate 1082
Connection, to prevent waste water and sludge leakage.After by the modularization of boiling plate 108, both it had been easy to the installation and removal of boiling plate 108, and
Be easy to the cleaning replacement of boiling plate 108, when there is blocking in boiling plate 108 or dirt needs to pull down solution, only need to pull down by
Blocking occupies the little boiling plate 1082 of dirt, it is to avoid directly pull down the trouble of boiling plate 108.
Aperture opening and closing device 110 is provided with as a kind of improvement in embodiment, gas distributing chamber 109, such as Fig. 5 to Fig. 8 institutes
Show, aperture opening and closing device 110 includes the aperture opening and closing disc 1101 for being opened and closed blow-off pipe 1032 in blow-off pipe 1032, if
The support ring 1102 for supporting aperture opening and closing disc 1101 outside blow-off pipe 1032, to realize better controling over blow-off pipe 1032
Open and close controlling.
Embodiment is improved as a kind of, aperture opening and closing disc 1101 is made up of multiple fan blades 1103 divided equally, preferably 5
Individual, fan blades 1103 is rotatably connected in support ring 1102 by pull bar 1104, and aperture opening and closing disc 1101 is used for blow-off pipe 1032
Open and close controlling, support ring 1102 is rotatably connected on low head 103, when support ring 1102 is rotated in one direction, fan blades
1103 open, and blow-off pipe 1032 is turned on, and the waste water and sludge in cavity 101 discharges precipitation reaction kettle 101 by blow-off pipe 1032
Outward, conversely, when support ring 1102 is turned round in the opposite direction, fan blades 1103 is closed, blow-off pipe 1032 is obstructed.Opened by arranging aperture
Device 110 is closed, compared to expensive electronic valve, structural principle is simple, and dismounting easy to install is easy to clean, it is easy to control,
Failure is not susceptible to, in being highly suitable for precipitation reaction kettle 1.
Furthermore, it is contemplated that fan blades is directly soaked in having compared with the sludge and waste water of severe corrosive, while also
Bear it is stronger wash away impact, fan blades is made with hard polyurethane material, hard polyurethane material by following weight portion raw material
Composition：Base polyurethane prepolymer for use as 95-100 parts, polyurethane toughened dose of 2-6 parts, Cu and its oxides powder 12-15 parts, butyl acetate
15-20 parts, glass fibre 8-11 parts, silane coupler 1-5 parts, curing agent 30-40 parts, defoamer 1-5 parts, silicon-carbide particle
20-30 parts, aminodithioformic acid rare earth accelerator 2-5 parts and p-aminobenzene sulfonic acid lanthanum age resistor 2-5 parts.Hard polyaminoester material
The preparation method of material is comprised the following steps：
Step one, thorough dried process is carried out to reaction vessel, in vacuum be then 0.1MPa by oligomer polyol
Under conditions of, 2h is dehydrated in 110 DEG C, control moisture matches somebody with somebody measured polyisocyanates below 0.03%, then at 80 DEG C and
Reaction generates low molecular weight prepolymer, and the reaction time is 3h, obtains base polyurethane prepolymer for use as component A, and shading storage is stand-by；
Step 2, the silicon-carbide particle for taking design flow are put in container, are poured deionized water into and are carried out ultrasonic wave and clean 2 times,
Then filter and be placed in only in heatproof container；
Step 3, the heatproof container that will be equipped with silicon-carbide particle are placed in drying oven and carry out drying and processing, and drying temperature is
250 DEG C, drying time is 60min, and then taking out addition absolute ethyl alcohol carries out ultrasonic wave cleaning 1 time, and drying oven is then placed in again
In carry out drying and processing, drying temperature is 130 DEG C, and drying time is 50min, finally takes out stand-by；
Step 4, the glass fibre of the silicon-carbide particle that step 3 is obtained and design flow, Cu and its oxides powder one
Mixing and stirring is played, butyl acetate is subsequently adding and is continued to stir, obtain B component；
Step 5, the curing agent of design flow, aminodithioformic acid rare earth accelerator and age resistor are mixed together into stirring
Uniformly, component C is obtained；
Step 6, the component A for taking design flow, B component and component C, polyurethane toughened dose of design flow is added in component A
Stir with absolute ethyl alcohol dilution, silane coupler, B component and the defoamer for being subsequently adding design flow is at the uniform velocity stirred, finally
Add the component C of design flow and stir, obtain mixing liquid；
Step 7, standing mixing liquid are eliminated up to bubble, and liquid to be mixed is obtained final product after being fully cured.
In order to preferably explain and implementing the hard polyurethane material of the present invention, table 2 below shows the hard of the present invention
Several Ju Ti Pei Fangs of polyurethane material, it should be noted that in detail below formula primarily to preferably implement the present invention, and and
It is non-in order to limit the present invention.
Table 2：
Note：The parameter of above-mentioned each component represents that parts by weight, i.e. unit are weight portion.
In upper table, after testing, with outstanding corrosion resistance, it bends the hard polyurethane material that each embodiment is obtained
Intensity and yield strength are good, can bear larger load, and toughness preferably, can not occur plasticity in the case where stressing conditions are repeated
Deformation, with slip tester for testing scouring wear erosive wear measure is carried out to hard polyurethane material, and wherein mortar effluxvelocity is
14m/s, mortar sand content is 9-10wt%, and the erosive wear time is 2h, obtains the minimum 0.327mg/h of its erosive wear amount.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (5)
1. a kind of precipitation reaction kettle for processing Metallurgical Waste Water, including cavity, cavity upper end is sealedly connected with blast pipe
Upper cover, cavity lower end is tightly connected the low head with air inlet pipe and blow-off pipe, and the middle and upper part of cavity is evenly equipped with several
Feed pipe, it is characterised in that feed pipe adopts tangential oblique cutting tubular structure, and purifier is provided with above inside cavity, purifies
Device is fixedly installed between feed pipe and blast pipe, and purifier includes shutter board and labyrinth type swash plate, and shutter board is located at fan
The top of palace formula swash plate.
2. it is used to as claimed in claim 1 process the precipitation reaction kettle of Metallurgical Waste Water, it is characterised in that feed pipe is towards under cavity
The tangential oblique cutting in portion, the inclination angle of its horizontal plane is 5 ° -15 °.
3. it is used to as claimed in claim 1 process the precipitation reaction kettle of Metallurgical Waste Water, it is characterised in that labyrinth type swash plate includes
L-type baffle plate, L-type baffle plate is inclined and mounted on successively from top to bottom in cavity and forms labyrinth type swash plate, L-type along cavity axial direction
Baffle plate is made up of slanting baffle and perpendicular baffle plate, and slanting baffle and perpendicular baffle plate are crossed to form L-shaped, its intersecting angle can 30 °-
150 °, slanting baffle and perpendicular baffle plate are fixedly connected to form L-type baffle plate, or are formed as one L-type baffle plate certainly.
4. it is used to as claimed in claim 3 process the precipitation reaction kettle of Metallurgical Waste Water, it is characterised in that the perpendicular gear of L-type baffle plate
Plate is 5-20mm with the spacing of the slanting baffle of adjacent L-type baffle plate.
5. it is used to as claimed in claim 4 process the precipitation reaction kettle of Metallurgical Waste Water, it is characterised in that if perpendicular baffle plate is provided with
Dry through hole, the percent opening for erecting baffle plate is 50-80%.
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| CN201621045960.0U CN206103427U (en) | 2016-09-09 | 2016-09-09 | A precipitation cauldron for handling metallurgical waste water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178618A (en) * | 2016-09-09 | 2016-12-07 | 成都九十度工业产品设计有限公司 | A kind of precipitation still for processing Metallurgical Waste Water |
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2016
- 2016-09-09 CN CN201621045960.0U patent/CN206103427U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178618A (en) * | 2016-09-09 | 2016-12-07 | 成都九十度工业产品设计有限公司 | A kind of precipitation still for processing Metallurgical Waste Water |
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