CN106315688A - Equipment for preparing Fe3O4 from chlorobenzene washing wastewater - Google Patents
Equipment for preparing Fe3O4 from chlorobenzene washing wastewater Download PDFInfo
- Publication number
- CN106315688A CN106315688A CN201610630600.5A CN201610630600A CN106315688A CN 106315688 A CN106315688 A CN 106315688A CN 201610630600 A CN201610630600 A CN 201610630600A CN 106315688 A CN106315688 A CN 106315688A
- Authority
- CN
- China
- Prior art keywords
- reactor
- charging aperture
- feed pipe
- discharging opening
- guide shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002351 wastewater Substances 0.000 title claims abstract description 37
- 238000005406 washing Methods 0.000 title claims abstract description 36
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 title claims abstract description 35
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 53
- 238000002156 mixing Methods 0.000 claims abstract description 29
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 25
- 230000032683 aging Effects 0.000 claims abstract description 17
- 230000003068 static effect Effects 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims description 58
- 239000000463 material Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 9
- 230000018044 dehydration Effects 0.000 claims description 7
- 238000006297 dehydration reaction Methods 0.000 claims description 7
- 239000002826 coolant Substances 0.000 claims description 5
- 230000003472 neutralizing effect Effects 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 238000005119 centrifugation Methods 0.000 claims description 3
- 229950000845 politef Drugs 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 230000008676 import Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 9
- 238000003756 stirring Methods 0.000 abstract description 9
- 238000011282 treatment Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000010924 continuous production Methods 0.000 abstract 1
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 16
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 8
- 239000003153 chemical reaction reagent Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 208000035126 Facies Diseases 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 235000014413 iron hydroxide Nutrition 0.000 description 1
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/08—Ferroso-ferric oxide [Fe3O4]
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention provides equipment for preparing Fe3O4 from chlorobenzene washing wastewater. The equipment comprises a front reaction device, a static mixing device, a neutralization device, a back reaction device, an aging device and a washing device; the front reaction device comprises a first reaction kettle, and a first stirring device is arranged in the first reaction kettle; a first mixing unit is arranged in a mixing tube; the neutralization device comprises a U-shaped barrel, and the U-shaped barrel comprises a first tube, a second tube and a third tube; the back reaction device comprises a second reaction kettle, and a second stirring device and a second distant transmission pH meter are arranged in the second reaction kettle; the aging device comprises a third reaction kettle, and a third stirring device is arranged in the third reaction kettle; the washing device comprises a fourth reaction kettle, and a fourth stirring device and a third distant transmission pH meter are arranged in the fourth reaction kettle. According to the equipment, innocent treatment and cyclic utilization of the chlorobenzene production wastewater and multi-kettle continuous production are achieved, the production time is shortened, the process is simplified, small floor area is occupied, operation is easy, and running is continuous and stable.
Description
Technical field
The present invention relates to Benzene Chloride sewage treatment equipment technical field, particularly relate to one and utilize Benzene Chloride washing waste water system
Standby Fe3O4Equipment.
Background technology
Benzene Chloride is a kind of important industrial chemicals, and it produces and uses " benzene boiling process ", i.e. benzene and chlorine with ferric chloride
Producing for catalyst hybrid reaction in chlorination tower, gained chlorated liquid sequentially passes through washing and caustic wash process；Master in washing waste water
Ferric chloride to be contained, hydrochloric acid and a small amount of Organic substance, alkali-wash waste water mainly contains sodium hydroxide, sodium chloride, cotton-shaped hydroxide
Ferrum and a small amount of Organic substance.This waste water pump is delivered to wastewater treatment working section and is carried out acid-benzene and alkali-benzene separation, the organic facies pumping on top
Recycling to chlorination system, waste acid water and alkali waste water are pumped to the mixing of acid-base neutralization groove, generate iron hydroxide solution, are commonly called as
" red mud "." red mud " is pumped to pressure filter, and filtrate entrance aeration pot removing organic facies is sent to sewage and is always arranged, and filter cake is " red
Mud " as fixed-end forces.
Sewage treatment equipment in benzene chloride production, relates to waste water and processes so that waste water is capable of the weight of qualified discharge
Wanting equipment, the plant area area used in prior art is big, " three wastes " are seriously polluted, complex operation, fluctuation of service, it is difficult to
Realize discharged wastewater met the national standard, and existing neutralization chamber intermittent reaction, frequent operation, labor intensity is big；Acid-base neutralization mixed effect
, there is local meta-acid or meta-alkali in difference；Acid-base neutralization discharges big calorimetric, there is potential safety hazard in time observing detection mouth sampling；Colorimetric
Method determines that reaction end error is bigger；Equipment is fragile, and maintenance cost is higher.
Summary of the invention
Based on technical problem present in background technology, the present invention proposes one and utilizes Benzene Chloride washing waste water to prepare
Fe3O4Equipment.
The one that the present invention proposes utilizes Benzene Chloride washing waste water to prepare Fe3O4Equipment, including front reaction unit, static state
Mixing arrangement, neutralization device, rear reaction unit, aging device, wash mill, wherein:
Front reaction unit includes that the first reactor, the first reactor are provided with the first charging aperture, second charging aperture the first discharging
Mouthful, it is provided with the first agitating device in the first reactor；
Static mixing device includes mixing body, and mixing body is provided with the 3rd charging aperture, the 4th charging aperture, the second discharging
Mouthful, the 3rd charging aperture is connected by the first pipeline and the first discharging opening, is provided with the first mixed cell in mixing tube body；
Neutralize device and include that U-shaped cylinder, U-shaped cylinder include the first body, the second body, the 3rd body, the first body, the
Two body bottoms are connected by the 3rd body and form U-shaped cylinder, and the first body is provided with the 3rd discharging opening, gas phase drain, and first
Being provided with the first teletransmission pH meter in body, the first body upper end is provided with axial-flow pump, and the entrance point of axial-flow pump stretches into the first body
Inside, the port of export of axial-flow pump and the second body upper end connect；Second body is provided with the 5th charging aperture, and the 5th charging aperture is by the
Two pipelines and the second discharging opening connect, and are provided with the second mixed cell in the 3rd body, and the 3rd body is provided with water inlet and water outlet
Mouthful；
Rear reaction unit includes that the second reactor, the second reactor are provided with the 6th charging aperture, the 7th charging aperture, the 4th discharging
Mouthful, the 6th charging aperture is connected by the 3rd pipeline and the 3rd discharging opening, is provided with the second agitating device and second in the second reactor
Teletransmission pH meter；
Aging device includes that the 3rd reactor, the 3rd reactor are provided with the 8th charging aperture, the 5th discharging opening, the 8th charging aperture
Connected by the 4th pipeline and the 4th discharging opening, in the 3rd reactor, be provided with the 3rd agitating device；
Wash mill includes that the 4th reactor, the 4th reactor are provided with the 9th charging aperture, the tenth charging aperture, the 6th discharging
Mouthful, the 9th charging aperture is connected by the 5th pipeline and the 5th discharging opening, is provided with the 4th agitating device and the 3rd in the 4th reactor
Teletransmission pH meter.
Preferably, front reaction unit is additionally provided with the first feed pipe, the second feed pipe, and first feed pipe one end is entered through first
Material mouth stretches into bottom the first reactor, and second feed pipe one end is stretched into bottom the first reactor through the second charging aperture；Preferably,
Front reaction unit also includes that the first guide shell, the first guide shell are arranged in the first reactor, and the first guide shell is upper and lower opening
Isometrical cylindrical structure；Preferably, the first agitating device is arranged in the first guide shell and the first agitating device uses push type
Blade.
Preferably, the first mixed cell in mixing tube body uses K-type.
Preferably, neutralizing device and also include feeding bent pipe, discharging elbow, feeding bent pipe stretches into second through the 5th charging aperture
Body is interior and its end is loudspeaker flared；Discharging elbow passes in the 3rd discharging opening stretches into the first body and its end is loudspeaker
Flared, first teletransmission pH meter one end is stretched in discharging elbow through the first tube wall.
Preferably, being equipped with pipe clamp set outside the first body, the second body, pipe clamp set upper side is equipped with the first steam inlet,
Pipe clamp set lower end is equipped with the first steam condensate (SC) outlet, the first steam condensate (SC) outlet all with the water inlet of the 3rd body company
Connect；Preferably, the 3rd body two ends are connected by flange and the first body, the second body respectively, and second in the 3rd body mixes
Close unit and use V-type；Preferably, the second mixed cell uses titanium material or politef to make.
Preferably, rear reaction unit is additionally provided with the 3rd feed pipe, the 4th feed pipe, and the 3rd feed pipe one end is entered through the 6th
Material mouth stretches into bottom the second reactor, and the 4th feed pipe stretches into bottom the second reactor through phase charging aperture；Preferably, second
Reactor is externally provided with the first reaction kettle body chuck, and the first reaction kettle body chuck top is provided with the second steam inlet, the first reactor
Body chuck bottom is provided with the second steam condensate (SC) outlet；Preferably, rear reaction unit is additionally provided with the second guide shell, the second guide shell
Being arranged in the second reactor, the second guide shell is upper and lower opening and the taper cone barrel of lower end undergauge；Preferably, the second agitating device
It is arranged on the second guide shell lower end position and the second agitating device uses paddle blade.
Preferably, aging device is additionally provided with the 5th feed pipe, and the 5th feed pipe one end stretches into the 3rd through charging aperture
Bottom reactor；Preferably, the 3rd reactor is externally provided with the second reaction kettle body chuck, is provided with cold bottom the second reaction kettle body chuck
But medium entrance, the second reaction kettle body chuck top is provided with cooling medium outlet；Preferably, the 3rd agitating device uses frame oar
Leaf.
Preferably, wash mill is additionally provided with the 6th feed pipe, the 7th feed pipe, and the 6th feed pipe one end is through the 9th charging
Mouth stretches into bottom the 4th reactor, and the 7th feed pipe stretches into bottom the 4th reactor through the tenth feed pipe；Preferably, washing dress
Putting and be additionally provided with the 3rd guide shell, the 3rd guide shell is arranged in the 4th reactor, and the 3rd guide shell is upper and lower opening and lower end contracting
The taper cone barrel in footpath；Preferably, the 4th agitating device is arranged on the 3rd guide shell lower end position and the 4th agitating device uses paddle
Blade.
Preferably, also including centrifugal device, centrifugal device is provided with the 11st charging aperture and the 7th discharging opening, the 11st charging
Mouth is connected by the 6th pipeline and the 6th discharging opening.
Preferably, also include drying device, the product after being dried device dehydration by centrifugation；Preferably, drying device
Use roller dryer.
The present invention is so work:
(1) front reaction: in the first reactor, add washing waste water by the first charging aperture, by the second charging aperture to
One reactor adds Na2SO3Aqueous solution, the time of staying controls at 0.5-1h, and wherein, the first reactor keeps being stirred continuously；
(2) preneutralization: by the first pipeline, the solution of front reaction unit is delivered in static mixing device, passes through simultaneously
4th charging aperture adds the first neutralization reagent premixing in static mixing device, starts axial-flow pump, and the solution after mixing leads to
Crossing the second pipeline to be transferred to neutralize in device, maintain temperature to be 50-65 DEG C, under axial-flow pump effect, material is entered by the first body
Enter the second body, be constantly circulated after being mixed by the second mixed cell in the 3rd body, until pH value of solution=2.2-7.5
Time, stop adding the first neutralization reagent；
(3) reaction afterwards: be transferred in the second reactor by the 3rd pipeline by the solution of neutralization device, maintenance temperature is
155-175 DEG C, in the second reactor, add the second neutralization reagent by the 7th charging aperture, when stirring is to pH value of solution=10-14,
Stop adding the second neutralization reagent；
(4) ageing: be transferred in the 3rd reactor by the 4th pipeline by the solution in the second reactor, maintenance temperature is
30-45 DEG C, it is being stirred continuously lower ageing 2-4h, is removing supernatant and obtain being aged slip；
(5) washing: be transferred in the 4th reactor by the 5th pipeline by the ageing slip in the 3rd reactor, by the
Ten charging apertures add cleaning mixture in the 4th reactor, when stirring is to cleaning mixture pH=7-9, stop adding cleaning mixture；
(6) dehydration: the solution in the 4th reactor is transferred in centrifugal device by the 6th pipeline, is centrifuged taking off
Water；
(7) it is dried: by the transferred product after dehydration in centrifugal device to drying device, being dried, pulverizing obtains
Fe3O4。
The present invention provides one to utilize Benzene Chloride washing waste water to prepare Fe3O4Equipment, it is achieved that benzene chloride production is given up
Water harmless treatment and recycling, energy-conservation, lower consumption, reduce discharging while " red mud " is transformed into Fe3O4Realize extra earning, and
And realize many stills continuous prodution, greatly reduce operating cost and work load, shorten the production time, Simplified flowsheet, takes up an area face
Long-pending little, simple to operate, to run continuous-stable, process load big, operating flexibility is big, is adapted to large-scale industrial production, it is to avoid
The problem that discontinuous produces time and effort consuming, floor space is big, yield is little；In the present invention and when device uses, start axial-flow pump,
Being entered material by the 4th charging aperture on the second body, under axial-flow pump effect, material is entered the second body by the first body, by
In three bodys second mixed cell mixing after be constantly circulated, by control neutralize terminal, a part neutralize after material by
The 3rd discharging opening on second body is discharged, and additionally major part material continues to circulate in this neutralization device, react, along with entering
Expect, react, circulate, the continuation of discharging, can realize producing continuously；The present invention selects different alr mode, can promote each step
Reaction is uniformly, quickly carry out；The present invention uses static mixing device premixing, neutralization device to select U-shaped, can reach good
Neutralization, beneficially reaction are smoothed out；The present invention realizes many stills continuous prodution, time saving and energy saving and can increase yield；This
Invention the most externally discharge " three wastes ", does not pollutes the environment, can be that employee provides a comfortable operating condition；The present invention applies
In extensive range, containing Fe3+Or contain Fe simultaneously3+、Fe2+, the industrial wastewater of pH value of solution 2.2 all can use present invention process to carry out
Process；Calculate by current production rate, Fe can be produced3O4About 1000Kg/d, reclaims organic facies 50Kg/d, it is possible to decrease production cost 5500
Unit/d；Calculate according to producing in year 300 days, compare the most cost-effective 1,650,000 yuan of more existing technique.
Accompanying drawing explanation
Fig. 1 is that the one that the present invention proposes utilizes Benzene Chloride washing waste water to prepare Fe3O4Device structure schematic diagram；
Fig. 2 is that the one that the present invention proposes utilizes Benzene Chloride washing waste water to prepare Fe3O4The front reaction unit structure of equipment
Schematic diagram；
Fig. 3 is that the one that the present invention proposes utilizes Benzene Chloride washing waste water to prepare Fe3O4Equipment static mixing device knot
Structure schematic diagram；
Fig. 4 is that the one that the present invention proposes utilizes Benzene Chloride washing waste water to prepare Fe3O4The neutralization apparatus structure of equipment show
It is intended to；
Fig. 5 is that the one that the present invention proposes utilizes Benzene Chloride washing waste water to prepare Fe3O4The rear reaction unit structure of equipment
Schematic diagram；
Fig. 6 is that the one that the present invention proposes utilizes Benzene Chloride washing waste water to prepare Fe3O4The aging device structure of equipment show
It is intended to；
Fig. 7 is that the one that the present invention proposes utilizes Benzene Chloride washing waste water to prepare Fe3O4The wash mill structure of equipment show
It is intended to.
Detailed description of the invention
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, the present invention proposes one and utilizes Benzene Chloride washing waste water to prepare
Fe3O4Equipment, including front reaction unit 1, static mixing device 2, neutralize device 3, rear reaction unit 4, aging device 5, washing
Device 6, centrifugal device 7, drying device 8, wherein:
Front reaction unit 1 includes first reactor the 11, first feed pipe the 15, second feed pipe the 18, first guide shell 16, the
One reactor 11 is provided with first charging aperture the 12, second charging aperture the 17, first discharging opening 13, and first feed pipe 15 one end passes first
Charging aperture 12 stretches into bottom the first reactor 11, and the first reactor 11 is stretched into through the second charging aperture 17 in second feed pipe 18 one end
Bottom.First guide shell 16 is arranged in the first reactor 11, and the first guide shell 16 is the isometrical cylindrical structure of upper and lower opening.The
The first agitating device 14 it is provided with, in the first agitating device 14 is arranged on the first guide shell 16 and the first stirring dress in one reactor 11
Put 14 employing push type blades.
Static mixing device 2 include mix body 21, mixing body 21 be provided with the 3rd charging aperture the 22, the 4th charging aperture 23,
Second discharging opening 24, the 3rd charging aperture 22 is connected by the first pipeline and the first discharging opening 13, is provided with first in mixing body 21
Mixed cell 25, the first mixed cell 25 uses K-type.
Neutralize device 3 and include U-shaped cylinder, feeding bent pipe 312, discharging elbow 313, U-shaped cylinder include the first body 31, the
Two body the 32, the 3rd bodys 33, first body the 31, second body 32 bottom is connected by the 3rd body 33 and forms U-shaped cylinder.The
One body 31 is provided with the 3rd discharging opening 34, gas phase drain 35, is provided with the first teletransmission pH meter 36 in the first body 31, and discharging is curved
Pipe 313 passes in the 3rd discharging opening 34 stretches into the first body 31 and its end is loudspeaker flared, can effectively charging and discharging be carried out
Separating, and do not affect neutralization, the first body 31 upper end is provided with axial-flow pump 37, and the entrance point of axial-flow pump 37 stretches into the first pipe
Body 31 is internal, and the port of export of axial-flow pump 37 and the second body 32 upper end connect.Second body 32 is provided with the 5th charging aperture 38, and the 5th
Charging aperture 38 is connected by the second pipeline and the second discharging opening 24, and feeding bent pipe 312 stretches into the second pipe through the 5th charging aperture 38
Body 32 is interior and its end is loudspeaker flared, effectively charging and discharging can be separated, and not affect neutralization, the first teletransmission
PH meter 36 one end is stretched in discharging elbow 313 through the first body 31 sidewall.3rd body 33 two ends are respectively by flange and the
One body the 31, second body 32 connects, in the 3rd body 33；Being provided with the second mixed cell 39 in 3rd body 33, second mixes
Closing unit 39 and use V-type, the second mixed cell 39 uses titanium material or politef to make, and the 3rd body 33 is provided with water inlet
310 and outlet 311.In the present embodiment, it is equipped with pipe clamp set 314 outside first body the 31, second body 32, on pipe clamp set 314
End is equipped with the first steam inlet 315, and pipe clamp overlaps 314 lower ends and is equipped with the first steam condensate (SC) outlet 316, the first steam condensation
Water out 316 all water inlets 310 with the 3rd body 33 are connected.This neutralization device the 3rd body arranges the second mixed cell, increases
Add the mixability neutralizing reaction；Second mixed cell uses V-type, improves the less turbulence of material to greatest extent and neutralizes effect
Really；It is respectively perpendicular up and down and water inlet 310, outlet 311 (having emptying function concurrently) are set, can periodically the second mixed cell be carried out
Clean, prevent the second mixed cell by feed blocking；Neutralize device and the first teletransmission pH meter is set, can realize material after neutralizing
Remote monitoring, by being precisely controlled of the chain pH of realization with the flow of feeding bent pipe 38；First teletransmission pH meter obliquely with discharging
Bend pipe 34 is connected, and is substantially reduced security risk and risk of environmental pollution that manual sampling may bring, it is possible to effectively make a living
Produce to provide and detect data reliably.
Rear reaction unit 4 includes second reactor the 41, the 3rd feed pipe the 46, the 4th feed pipe the 47, second guide shell 411,
Second reactor 41 is provided with the 6th charging aperture the 42, the 7th charging aperture the 43, the 4th discharging opening 44, and the 3rd feed pipe 46 one end is through the
Six charging apertures 42 stretch into bottom the second reactor 41, and the 4th feed pipe 47 stretched into for second reactor 41 end through the 7th charging aperture 43
Portion, the 6th charging aperture 42 is connected by the 3rd pipeline and the 3rd discharging opening 34.Second guide shell 411 is arranged on the second reactor 41
In, the second guide shell 411 is the taper cone barrel of upper and lower opening and lower end undergauge.The second agitating device 45 it is provided with in second reactor 41
With the second teletransmission pH meter, the second agitating device 45 is arranged on the second guide shell 411 lower end position and the second agitating device 45 uses
Paddle blade.In the present embodiment, the second reactor 41 is externally provided with the first chuck 48, and the first chuck 48 top is provided with the second steam and enters
Mouth 49, the first chuck 48 bottom is provided with the second steam condensate (SC) outlet 410.
Aging device 5 includes the 3rd reactor the 51, the 5th feed pipe 55, the 3rd reactor 51 be provided with the 8th charging aperture 52,
5th discharging opening 53, the 5th feed pipe 55 stretches into bottom the 3rd reactor 51 through the 8th charging aperture 52, and the 8th charging aperture 52 leads to
Cross the 4th pipeline and the 4th discharging opening 44 connects.It is provided with the 3rd agitating device 54, the 3rd agitating device 54 in 3rd reactor 51
Use frame blade.3rd reactor 51 is externally provided with the second chuck 56, is provided with cooling medium inlet 57 bottom the second chuck 56, the
Two chuck 56 tops are provided with cooling medium outlet 58.
Wash mill 6 includes the 4th reactor the 61, the 6th feed pipe the 66, the 7th feed pipe the 67, the 3rd guide shell 68, the 4th
Reactor 61 is provided with the 9th charging aperture the 62, the tenth charging aperture the 63, the 6th discharging opening 64, and the 6th feed pipe 66 one end is entered through the 9th
Material mouth 62 stretches into bottom the 4th reactor 61, and the 7th feed pipe 67 stretches into bottom the 4th reactor 61 through the tenth charging aperture 63,
9th charging aperture 62 is connected by the 5th pipeline and the 5th discharging opening 53.3rd guide shell 68 is arranged in the 4th reactor 61,
3rd guide shell 68 is the taper cone barrel of upper and lower opening and lower end undergauge.The 4th agitating device 65 and it is provided with in 4th reactor 61
Three teletransmission pH meters, the 4th agitating device 65 is arranged on the 3rd guide shell 68 lower end position and the 4th agitating device 65 uses paddle oar
Leaf.
Centrifugal device 7 is provided with the 11st charging aperture and the 7th discharging opening, and the 11st charging aperture passes through the 6th pipeline and the 6th
Discharging opening 64 connects.
The drying device 8 product after being dried device 7 dehydration by centrifugation.In the present embodiment, drying device 8 uses cylinder
Formula dehydrator.
The present invention is so work:
(1) front reaction: in the first reactor, add washing waste water by the first charging aperture, by the second charging aperture to
One reactor adds Na2SO3Aqueous solution, the time of staying controls at 0.5-1h, and wherein, the first reactor keeps being stirred continuously；
(2) preneutralization: by the first pipeline, the solution of front reaction unit is delivered in static mixing device, passes through simultaneously
4th charging aperture adds the first neutralization reagent premixing in static mixing device, starts axial-flow pump, and the solution after mixing leads to
Crossing the second pipeline to be transferred to neutralize in device, maintain temperature to be 50-65 DEG C, under axial-flow pump effect, material is entered by the first body
Enter the second body, be constantly circulated after being mixed by the second mixed cell in the 3rd body, until pH value of solution=2.2-7.5
Time, stop adding the first neutralization reagent；
(3) reaction afterwards: be transferred in the second reactor by the 3rd pipeline by the solution of neutralization device, maintenance temperature is
155-175 DEG C, in the second reactor, add the second neutralization reagent by the 7th charging aperture, when stirring is to pH value of solution=10-14,
Stop adding the second neutralization reagent；
(4) ageing: be transferred in the 3rd reactor by the 4th pipeline by the solution in the second reactor, maintenance temperature is
30-45 DEG C, it is being stirred continuously lower ageing 2-4h, is removing supernatant and obtain being aged slip；
(5) washing: be transferred in the 4th reactor by the 5th pipeline by the ageing slip in the 3rd reactor, by the
Ten charging apertures add cleaning mixture in the 4th reactor, when stirring is to cleaning mixture pH=7-9, stop adding cleaning mixture；
(6) dehydration: the solution in the 4th reactor is transferred in centrifugal device by the 6th pipeline, is centrifuged taking off
Water；
(7) it is dried: by the transferred product after dehydration in centrifugal device to drying device, being dried, pulverizing obtains
Fe3O4。
The one that the present invention proposes utilizes Benzene Chloride washing waste water to prepare Fe3O4Equipment, it is achieved that to benzene chloride production
Waste water harmless treatment and recycling, energy-conservation, lower consumption, reduce discharging while " red mud " is transformed into Fe3O4Realize extra earning,
And realize many stills continuous prodution, greatly reduce operating cost and work load, shorten the production time, Simplified flowsheet, takes up an area
Area is little, simple to operate, runs continuous-stable, processes load big, and operating flexibility is big, is adapted to large-scale industrial production, keeps away
Exempt from the problem that discontinuous produces time and effort consuming, floor space is big, yield is little.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (10)
1. one kind utilizes Benzene Chloride washing waste water to prepare Fe3O4Equipment, it is characterised in that include front reaction unit (1), static
Mixing arrangement (2), neutralization device (3), rear reaction unit (4), aging device (5), wash mill (6), wherein:
Front reaction unit (1) includes that the first reactor (11), the first reactor (11) are provided with the first charging aperture (12), the second charging
Mouth (17), the first discharging opening (13), be provided with the first agitating device (14) in the first reactor (11)；
Static mixing device (2) includes mixing body (21), and mixing body (21) is provided with the 3rd charging aperture (22), the 4th charging aperture
(23), the second discharging opening (24), the 3rd charging aperture (22) is connected by the first pipeline and the first discharging opening (13), mixing body
(21) the first mixed cell (25) it is provided with in；
Neutralize device (3) and include that U-shaped cylinder, U-shaped cylinder include the first body (31), the second body (32), the 3rd body (33),
First body (31), the second body (32) bottom are connected by the 3rd body (33) and form U-shaped cylinder, and the first body (31) is provided with
3rd discharging opening (34), gas phase drain (35), be provided with the first teletransmission pH meter (36), the first body in the first body (31)
(31) upper end is provided with axial-flow pump (37), and it is internal that the entrance point of axial-flow pump (37) stretches into the first body (31), axial-flow pump (37)
The port of export and the second body (32) upper end connect；Second body (32) is provided with the 5th charging aperture (38), and the 5th charging aperture (38) leads to
Cross the second pipeline and the second discharging opening (24) connects, in the 3rd body (33), be provided with the second mixed cell (39), the 3rd body
(33) water inlet (310) and outlet (311) it are provided with；
Rear reaction unit (4) includes that the second reactor (41), the second reactor (41) are provided with the 6th charging aperture (42), the 7th charging
Mouth (43), the 4th discharging opening (44), the 6th charging aperture (42) is connected by the 3rd pipeline and the 3rd discharging opening (34), the second reaction
The second agitating device (45) and the second teletransmission pH meter it is provided with in still (41)；
Aging device (5) includes that the 3rd reactor (51), the 3rd reactor (51) are provided with the 8th charging aperture (52), the 5th discharging opening
(53), the 8th charging aperture (52) is connected by the 4th pipeline and the 4th discharging opening (44), is provided with the 3rd in the 3rd reactor (51)
Agitating device (54)；
Wash mill (6) includes that the 4th reactor (61), the 4th reactor (61) are provided with the 9th charging aperture (62), the tenth charging aperture
(63), the 6th discharging opening (64), the 9th charging aperture (62) is by the connection of the 5th pipeline and the 5th discharging opening (53), the 4th reactor
(61) the 4th agitating device (65) and the 3rd teletransmission pH meter it is provided with in.
The most according to claim 1 Benzene Chloride washing waste water is utilized to prepare Fe3O4Equipment, it is characterised in that front reaction fill
Putting (1) and be additionally provided with the first feed pipe (15), the second feed pipe (18), the first feed pipe (15) one end passes the first charging aperture (12)
Stretching into the first reactor (11) bottom, the first reactor (11) is stretched into through the second charging aperture (17) in the second feed pipe (18) one end
Bottom；Preferably, front reaction unit (1) also includes that the first guide shell (16), the first guide shell (16) are arranged on the first reactor
(11), in, the first guide shell (16) is the isometrical cylindrical structure of upper and lower opening；Preferably, the first agitating device (14) is arranged on
One guide shell (16) is interior and the first agitating device (14) uses pusher blade.
The most according to claim 1 Benzene Chloride washing waste water is utilized to prepare Fe3O4Equipment, it is characterised in that mixing body
(21) the first mixed cell (25) in uses K-type.
4. prepare Fe according to the Benzene Chloride washing waste water that utilizes according to any one of claim 1-33O4Equipment, its feature exists
In, neutralizing device (3) and also include feeding bent pipe (312), discharging elbow (313), feeding bent pipe (312) passes the 5th charging aperture
(38) stretch in the second body (32) and its end is loudspeaker flared；Discharging elbow (313) is stretched through the 3rd discharging opening (34)
Entering in the first body (31) and its end is loudspeaker flared, first teletransmission pH meter (36) one end passes the first body (31) sidewall
Stretch in discharging elbow (313).
5. prepare Fe according to the Benzene Chloride washing waste water that utilizes according to any one of claim 1-33O4Equipment, its feature exists
In, it being equipped with pipe clamp set (314) outside the first body (31), the second body (32), pipe clamp set (314) upper end is equipped with the first steam
Import (315), pipe clamp set (314) lower end is equipped with the first steam condensate (SC) outlet (316), the first steam condensate (SC) outlet
(316) all water inlets (310) with the 3rd body (33) are connected；Preferably, the 3rd body (33) two ends respectively by flange with
First body (31), the second body (32) connect, and the second mixed cell (39) in the 3rd body (33) uses V-type；Preferably,
Second mixed cell (39) uses titanium material or politef to make.
6. prepare Fe according to the Benzene Chloride washing waste water that utilizes according to any one of claim 1-33O4Equipment, its feature exists
In, rear reaction unit (4) is additionally provided with the 3rd feed pipe (46), the 4th feed pipe (47), and the 3rd feed pipe (46) one end is through the
Six charging apertures (42) stretch into the second reactor (41) bottom, and it is anti-that the 4th feed pipe (47) stretches into second through the 7th charging aperture (43)
Answer still (41) bottom；Preferably, the second reactor (41) is externally provided with the first chuck (48), and the first chuck (48) top is provided with second
Steam inlet (49), the first chuck (48) bottom is provided with the second steam condensate (SC) outlet (410)；Preferably, rear reaction unit (4)
Being additionally provided with the second guide shell (411), the second guide shell (411) is arranged in the second reactor (41), and the second guide shell (411) is
Upper and lower opening and the taper cone barrel of lower end undergauge；Preferably, the second agitating device (45) is arranged on the second guide shell (411) position, lower end
Put and the second agitating device (45) uses paddle blade.
7. prepare Fe according to the Benzene Chloride washing waste water that utilizes according to any one of claim 1-33O4Equipment, its feature exists
In, aging device (5) is additionally provided with the 5th feed pipe (55), and the 5th feed pipe (55) one end stretches into the through the 8th charging aperture (52)
Three reactors (51) bottom；Preferably, the 3rd reactor (51) is externally provided with the second chuck (56), and the second chuck (56) bottom is provided with
Cooling medium inlet (57), the second chuck (56) top is provided with cooling medium outlet (58)；Preferably, the 3rd agitating device (54)
Use frame blade.
8. prepare Fe according to the Benzene Chloride washing waste water that utilizes according to any one of claim 1-33O4Equipment, its feature exists
In, wash mill (6) is additionally provided with the 6th feed pipe (66), the 7th feed pipe (67), and the 6th feed pipe (66) one end passes the 9th
Charging aperture (62) stretches into the 4th reactor (61) bottom, and the 7th feed pipe (67) stretches into the 4th reaction through the tenth charging aperture (63)
Still (61) bottom；Preferably, wash mill (6) is additionally provided with the 3rd guide shell (68), and it is anti-that the 3rd guide shell (68) is arranged on the 4th
In answering still (61), the 3rd guide shell (68) is upper and lower opening and the taper cone barrel of lower end undergauge；Preferably, the 4th agitating device (65)
It is arranged on the 3rd guide shell (68) lower end position and the 4th agitating device (65) uses paddle blade.
9. prepare Fe according to the Benzene Chloride washing waste water that utilizes according to any one of claim 1-33O4Equipment, its feature exists
In, also including that centrifugal device (7), centrifugal device (7) are provided with the 11st charging aperture and the 7th discharging opening, the 11st charging aperture passes through
6th pipeline and the 6th discharging opening (64) connect.
The most according to claim 9 Benzene Chloride washing waste water is utilized to prepare Fe3O4Equipment, it is characterised in that also include
Drying device (8), the product after being dried device (7) dehydration by centrifugation；Preferably, drying device (8) uses drum-type to dry
Dry machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610630600.5A CN106315688B (en) | 2016-08-03 | 2016-08-03 | One kind prepares Fe using Benzene Chloride washing waste water3O4Equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610630600.5A CN106315688B (en) | 2016-08-03 | 2016-08-03 | One kind prepares Fe using Benzene Chloride washing waste water3O4Equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106315688A true CN106315688A (en) | 2017-01-11 |
| CN106315688B CN106315688B (en) | 2017-10-20 |
Family
ID=57739536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610630600.5A Active CN106315688B (en) | 2016-08-03 | 2016-08-03 | One kind prepares Fe using Benzene Chloride washing waste water3O4Equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106315688B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110270290A (en) * | 2019-07-05 | 2019-09-24 | 中国神华煤制油化工有限公司 | Continuous washing device and continuous washing alkali washing method and its application |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202238058U (en) * | 2011-05-28 | 2012-05-30 | 安徽八一化工股份有限公司 | Continuous nitrator for nitrochlorobenzene |
| CN103754958A (en) * | 2014-01-15 | 2014-04-30 | 安徽八一化工股份有限公司 | Process for preparing black iron oxide by utilizing wastewater generated in production of chlorinated benzene |
| CN205850818U (en) * | 2016-08-03 | 2017-01-04 | 安徽八一化工股份有限公司 | One utilizes Benzene Chloride washing waste water to prepare Fe3o4equipment |
-
2016
- 2016-08-03 CN CN201610630600.5A patent/CN106315688B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202238058U (en) * | 2011-05-28 | 2012-05-30 | 安徽八一化工股份有限公司 | Continuous nitrator for nitrochlorobenzene |
| CN103754958A (en) * | 2014-01-15 | 2014-04-30 | 安徽八一化工股份有限公司 | Process for preparing black iron oxide by utilizing wastewater generated in production of chlorinated benzene |
| CN205850818U (en) * | 2016-08-03 | 2017-01-04 | 安徽八一化工股份有限公司 | One utilizes Benzene Chloride washing waste water to prepare Fe3o4equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110270290A (en) * | 2019-07-05 | 2019-09-24 | 中国神华煤制油化工有限公司 | Continuous washing device and continuous washing alkali washing method and its application |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106315688B (en) | 2017-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207153705U (en) | A kind of reactor with solid-liquid separation function | |
| CN207159016U (en) | A kind of energy saving and environment friendly Chemical Manufacture sewage disposal device | |
| CN205850818U (en) | One utilizes Benzene Chloride washing waste water to prepare Fe3o4equipment | |
| CN106315688A (en) | Equipment for preparing Fe3O4 from chlorobenzene washing wastewater | |
| CN207811460U (en) | A kind of sewage treatment equipment of suede waste water cycling and reutilization | |
| CN105565640A (en) | Sludge homogeneous slurrying and thermal hydrolysis reaction integrated device | |
| CN210457889U (en) | Sludge organic matter thermal decomposition device | |
| CN205443019U (en) | Pulp of mud homogeneity and integrative device of hot hydrolysis reaction | |
| CN216799784U (en) | Waste alkali liquor drainage system in organic silicon production | |
| CN103360285A (en) | Production technology of dispersing agent MF (melamine-formaldehyde resin) | |
| CN215102210U (en) | Catalytic wet oxidation reactor | |
| CN112624177B (en) | Energy-saving and environment-friendly combined circulating production line and production method | |
| CN210993892U (en) | A agitating unit for instant agar production | |
| CN210048521U (en) | Waste liquid recovery processing device that produces in 3-aminopropanol preparation process | |
| CN207887158U (en) | A kind of novel reaction kettle | |
| CN105797669A (en) | Comprehensive treatment device for preparing chlorinated polyethylene | |
| CN207628422U (en) | A kind of reaction filtration washing drying machine | |
| CN105797430B (en) | A kind of efficiently organic recycling design purification device and technique | |
| CN110270290A (en) | Continuous washing device and continuous washing alkali washing method and its application | |
| CN206616365U (en) | The zero-emission HTHP dye vat of comprehensive Water circulation | |
| CN206927745U (en) | A kind of high bisulfate waste liquor salt extraction retracting device | |
| CN110028179A (en) | Mercerising device | |
| CN104761517A (en) | Continuous refining method of versatate glycidyl | |
| CN106637775A (en) | Zero-emission high-temperature and high-pressure dyeing vat capable of recycling reclaimed water | |
| CN205420805U (en) | A waste water cyclic utilization system for dyeing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |