CN109095584A - A kind of refinery alkaline residue treatment process - Google Patents
A kind of refinery alkaline residue treatment process Download PDFInfo
- Publication number
- CN109095584A CN109095584A CN201811116872.9A CN201811116872A CN109095584A CN 109095584 A CN109095584 A CN 109095584A CN 201811116872 A CN201811116872 A CN 201811116872A CN 109095584 A CN109095584 A CN 109095584A
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- China
- Prior art keywords
- liquid
- perfusion tube
- neutralization reaction
- neutralizer
- reaction tank
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 179
- 239000002699 waste material Substances 0.000 claims abstract description 55
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 45
- 238000003756 stirring Methods 0.000 claims abstract description 21
- 239000000243 solution Substances 0.000 claims abstract description 7
- 239000002253 acid Substances 0.000 claims abstract description 6
- 239000011259 mixed solution Substances 0.000 claims abstract description 4
- 230000010412 perfusion Effects 0.000 claims description 90
- 238000002156 mixing Methods 0.000 claims description 28
- 238000000926 separation method Methods 0.000 claims description 27
- 230000001105 regulatory effect Effects 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000012530 fluid Substances 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 239000010808 liquid waste Substances 0.000 abstract description 2
- 238000007670 refining Methods 0.000 abstract description 2
- 239000003513 alkali Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000002378 acidificating effect Effects 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 238000003809 water extraction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000009874 alkali refining Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
- C02F2103/365—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds from petrochemical industry (e.g. refineries)
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to oil refining liquid waste disposal technique field, specifically a kind of refinery alkaline residue treatment process, method includes the following steps: S1, waste liquid is added in neutralization reaction tank；Then acid solution is added into neutralization reaction tank；S2, the neutralization reaction tank started in S1 are stirred mixed solution, and acid-base neutralization reaction is carried out in neutralization reaction tank；S3, to the neutralization reaction in S2 after, yellow mud block is added in neutralization reaction tank, continues to stir, until yellow mud block is completely dissolved；After S4, S3, the solid-liquid in neutralization reaction tank is separated.This method makes waste liquid be in neutrality by acid-base neutralization reaction, after reaction, yellow mud block is added into reaction vessel, yellow mud block is dissolved in waste liquid, on the one hand extra acid solution or lye can be neutralized, on the other hand, yellow mud block can remove the greasy dirt on neutralization reaction top tank structure, to reduce the pollution of oil.
Description
Technical field
The present invention relates to oil refining liquid waste disposal technique field, specifically a kind of refinery alkaline residue treatment process.
Background technique
During Refinery Oil alkali refining, the alkaline waste liquor of the object containing high density pollution, COD, sulfide can be generated
The 40%-50% or more of the such pollutant discharge amount of oil plant is accounted for the discharge amount of phenol, mainly by ordinary pressure diesel alkaline residue, catalysis vapour
The composition such as oily alkaline residue, catalytic diesel oil alkaline residue, liquid hydrocarbon alkali residue；These alkali residue waste liquids can seriously pollute ring if direct emission
Border；If being passed to sewage farm, it will the normal operating for seriously affecting sewage farm makes sewage be difficult to qualified discharge,
And severe corrosion equipment.
It in alkali residue waste liquid processing, needs to neutralize using acidic liquid and alkali residue waste liquid, enables the PH of alkali residue waste liquid
Reach discharge standard；The mixing of current mixing apparatus, alkali residue waste liquid and acidic liquid is not enough, and the greasy dirt in waste liquid is stained with
Full container, it is difficult to be cleaned.
Summary of the invention
For the problems of the prior art, the present invention provides a kind of refinery alkaline residue treatment process, this method passes through
Acid-base neutralization reaction makes waste liquid be in neutrality, after reaction, yellow mud block is added into reaction vessel, yellow mud block is dissolved in useless
In liquid, extra acid solution or lye on the one hand can be neutralized, on the other hand, yellow mud block can remove the oil on neutralization reaction top tank structure
Dirt, to reduce the pollution of oil.
The technical solution adopted by the present invention to solve the technical problems is: a kind of refinery alkaline residue treatment process, the party
Method the following steps are included:
Waste liquid is added in neutralization reaction tank S1；Then acid solution is added into neutralization reaction tank；
S2, the neutralization reaction tank started in S1 are stirred mixed solution, and acid-base neutralization is carried out in neutralization reaction tank
Reaction；
S3, to the neutralization reaction in S2 after, yellow mud block is added in neutralization reaction tank, continues to stir, until yellow mud
Block is completely dissolved；
After S4, S3, the solid-liquid in neutralization reaction tank is separated；
The neutralization reaction tank used in this method includes cabinet, waste liquid conveying mechanism, neutralizer conveying mechanism, liquid storage machine
Structure, Hui Ye mechanism, regulating mechanism, rabbling mechanism, plugging mechanism, liquid separation mechanism and mixing tube；The internal symmetry of the cabinet
Equipped with the waste liquid conveying mechanism and neutralizer conveying mechanism, the waste liquid conveying mechanism is to convey waste liquid, the neutralizer
Conveying mechanism is to convey neutralizer；The end of the neutralizer conveying mechanism is communicated with the liquid storage mechanism, the liquid storage machine
Structure is to store neutralizer；The side wall of the neutralizer conveying mechanism is communicated with the regulating mechanism, the regulating mechanism to
Adjust the pH-value of neutralizer；The side wall of the waste liquid conveying mechanism is communicated with the Hui Ye mechanism, the Hui Ye mechanism to
Recycling of waste liquid；The waste liquid conveying mechanism, the neutralizer conveying mechanism top be connected to the liquid separation mechanism, described point
Liquid mechanism is to liquid blending transportation；The inside of the liquid separation mechanism is equipped with the plugging mechanism, and the plugging mechanism is used
It is controlled with the folding to the liquid separation mechanism；The liquid separation mechanism, the rabbling mechanism are set to the interior of the mixing tube
Portion.
Specifically, the waste liquid conveying mechanism includes supplying valve, the first perfusion tube and the second perfusion tube, described first is defeated
For liquid pipe through the cabinet, one end of first perfusion tube is equipped with the supplying valve, first perfusion tube it is another
End is communicated with second perfusion tube, and second perfusion tube tilts upward setting.
Specifically, the Hui Ye mechanism includes liquid back pipe, returns liquid valve and liquid-return box, the liquid back pipe and described first defeated
The bottom surface of liquid pipe is interconnected, and the bottom end of the liquid back pipe is communicated with the liquid-return box, and the outer wall installation of the liquid back pipe is
State back liquid valve.
Specifically, the neutralizer conveying mechanism includes third perfusion tube and the 4th perfusion tube, the 4th perfusion tube
Symmetrical with second perfusion tube, the caliber of the 4th perfusion tube is less than the caliber of second perfusion tube, and described the
The top polymerization of four perfusion tubes, second perfusion tube is communicated as one structure, and the 4th perfusion tube and the third are infused
Pipe is interconnected.
Specifically, the liquid storage mechanism includes fluid reservoir and the first drawing liquid pump, one end of first drawing liquid pump with it is described
Third perfusion tube is interconnected, and the other end and the fluid reservoir of first drawing liquid pump are interconnected.
Specifically, the regulating mechanism includes the 5th perfusion tube, the second drawing liquid pump and water storage box, the 5th perfusion tube
With the third perfusion tube be interconnected, the 5th perfusion tube is connected to second drawing liquid pump, second drawing liquid pump and
The water storage box is interconnected.
Specifically, the top of the cabinet is equipped with the mixing tube, the plugging mechanism is set to the inside of the mixing tube
Bottom end, the liquid separation mechanism include filter plate and bottom plate, and the filter plate and the bottom plate interval are arranged, the filter plate, the bottom plate
Be fixedly connected with the inner wall of the mixing tube, the 4th perfusion tube, second perfusion tube top be connected to the bottom
In the middle part of the bottom surface of plate, through-hole structure is provided in the middle part of the bottom plate.
Specifically, the plugging mechanism includes terminal box, electromagnet, slide plate, magnet and plugging block, the terminal box is set
In the top surface of the filter plate, the terminal box is electrically connected the electromagnet, and the electromagnet is set to the bottom surface of the filter plate, institute
The bottom for stating electromagnet is set to the magnet relatively, and the bottom surface of the magnet is equipped with the plugging block, and the plugging block cooperation is embedding
In the through-hole structure for entering the bottom plate, there are four the slide plate is set, the slide plate is set to the table of the bottom plate in rectangular vertical
Face, the inner wall of the slide plate are embedded with spring, and the magnet is connect with the slide plate slides, and the spring is fixed on the magnet
Top.
Specifically, the rabbling mechanism includes rotary electric machine, shaft, agitating plate and stirring rod, the shaft is set to institute
The middle part of mixing tube is stated, the top of the shaft is rotatablely connected the rotary electric machine, and the outer wall vertical of the shaft is equipped with described
Agitating plate, the agitating plate is wavy, and the plane perpendicular of the agitating plate is equipped with the stirring rod, the outer wall of the stirring rod
It is mesh-structured.
Beneficial effects of the present invention:
(1) the neutralization reaction tank used in this method can will be given up by waste liquid conveying mechanism, neutralizer conveying mechanism
Liquid, neutralizer tilt upward conveying, enable the opposite collision of two liquid to mix, and mixed liquor from it is lower to
Upper conveying enables two kinds of liquid to be slowly sufficiently mixed, and will not hurtle down outflow, leads to undercompounding.
(2) the neutralization reaction tank used in this method can control the exit of liquid separation mechanism by plugging mechanism
System, allows fluid to scatter.
(3) the neutralization reaction tank used in this method, when the pH value of waste liquid is excessively high, the second drawing liquid pump can be by water storage box
Interior water extraction, mixes then into third perfusion tube with neutralizer, so that the PH of neutralizer is reduced.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the neutralization reaction tank used in this method；
Fig. 2 is enlarged diagram at A shown in FIG. 1；
Fig. 3 is liquid separation mechanism structure schematic diagram shown in Fig. 2；
Fig. 4 is enlarged structure schematic diagram at B shown in Fig. 3；
Fig. 5 is agitating plate structural schematic diagram shown in FIG. 1.
In figure: 1, cabinet, 2, waste liquid conveying mechanism, 21, supplying valve, the 22, first perfusion tube, the 23, second perfusion tube, 3, in
With liquid conveying mechanism, 31, third perfusion tube, the 32, the 4th perfusion tube, 4, liquid storage mechanism, 41, fluid reservoir, the 42, first drawing liquid pump,
5, Hui Ye mechanism, 51, liquid back pipe, 52, time liquid valve, 53, liquid-return box, 6, regulating mechanism, the 61, the 5th perfusion tube, the 62, second drawing liquid
Pump, 63, water storage box, 7, rabbling mechanism, 71, rotary electric machine, 72, shaft, 73, agitating plate, 74, stirring rod, 8, plugging mechanism,
81, terminal box, 82, electromagnet, 83, slide plate, 831, spring, 84, magnet, 85, plugging block, 9, liquid separation mechanism, 91, filter plate, 92,
Bottom plate, 9a, mixing tube, 91a, drain pipe.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As Figure 1-Figure 5, a kind of refinery alkaline residue treatment process of the present invention, this method include following step
It is rapid:
Waste liquid is added in neutralization reaction tank S1；Then acid solution is added into neutralization reaction tank；
S2, the neutralization reaction tank started in S1 are stirred mixed solution, and acid-base neutralization is carried out in neutralization reaction tank
Reaction；
S3, to the neutralization reaction in S2 after, yellow mud block is added in neutralization reaction tank, continues to stir, until yellow mud
Block is completely dissolved；
After S4, S3, the solid-liquid in neutralization reaction tank is separated；
The neutralization reaction tank used in this method includes cabinet 1, waste liquid conveying mechanism 2, neutralizer conveying mechanism 3, liquid storage
Mechanism 4, Hui Ye mechanism 5, regulating mechanism 6, rabbling mechanism 7, plugging mechanism 8, liquid separation mechanism 9 and mixing tube 9a；The cabinet 1
Internal symmetry be equipped with the waste liquid conveying mechanism 2 and neutralizer conveying mechanism 3, the waste liquid conveying mechanism 2 is useless to convey
Liquid, the neutralizer conveying mechanism 3 is to convey neutralizer；The end of the neutralizer conveying mechanism 3 is communicated with the liquid storage
Mechanism 4, the liquid storage mechanism 4 is to store neutralizer；The side wall of the neutralizer conveying mechanism 3 is communicated with the regulating mechanism
6, pH-value of the regulating mechanism 6 to adjust neutralizer；The side wall of the waste liquid conveying mechanism 2 is communicated with described time liquid machine
Structure 5, the Hui Ye mechanism 5 is to Recycling of waste liquid；The waste liquid conveying mechanism 2, the neutralizer conveying mechanism 3 top connect
The liquid separation mechanism 9 is passed to, the liquid separation mechanism 9 is to liquid blending transportation；The inside installation of the liquid separation mechanism 9 is
Plugging mechanism 8 is stated, the plugging mechanism 8 is controlled to the folding to the liquid separation mechanism 9；It is the liquid separation mechanism 9, described
Rabbling mechanism 7 is set to the inside of the mixing tube 9a.
Specifically, as shown in Figure 1, the waste liquid conveying mechanism 2 is defeated including supplying valve 21, the first perfusion tube 22 and second
Liquid pipe 23, first perfusion tube 22 are equipped with the supplying valve through the cabinet 1, one end of first perfusion tube 22
21, the other end of first perfusion tube 22 is communicated with second perfusion tube 23, and second perfusion tube 23, which tilts upward, to be set
It sets；Waste liquid can be delivered to Mixed Zone by waste liquid conveying mechanism 2.
Specifically, as shown in Figure 1, the Hui Ye mechanism 5 include liquid back pipe 51, return liquid valve 52 and liquid-return box 53, it is described
The bottom surface of liquid back pipe 51 and first perfusion tube 22 is interconnected, and the bottom end of the liquid back pipe 51 is communicated with the liquid-return box
53, the outer wall of the liquid back pipe 51 is equipped with described time liquid valve 52；When waste liquid conveying mechanism 2 is closed, the first perfusion tube 22, the
Liquid in two perfusion tubes 23 can be back in liquid-return box 53, realize the recycling for liquid.
Specifically, as shown in Figure 1, the neutralizer conveying mechanism 3 include third perfusion tube 31 and the 4th perfusion tube 32,
4th perfusion tube 32 and second perfusion tube 23 are symmetrical, and the caliber of the 4th perfusion tube 32 is less than described second
The top polymerization of the caliber of perfusion tube 23, the 4th perfusion tube 32, second perfusion tube 23 is communicated as one structure, described
4th perfusion tube 32 is interconnected with the third perfusion tube 31；By third perfusion tube 31, the 4th perfusion tube 32 can will in
With liquid be delivered to at waste liquid mixing so that the mixing of two kinds of liquid relative impacts.
Specifically, as shown in Figure 1, the liquid storage mechanism 4 includes fluid reservoir 41 and the first drawing liquid pump 42, first drawing liquid
One end of pump 42 and the third perfusion tube 31 are interconnected, the other end of first drawing liquid pump 42 and 41 phase of fluid reservoir
It is intercommunicated；The neutralizer in fluid reservoir 41 can be extracted out by the first drawing liquid pump 42, realize the conveying of neutralizer.
Specifically, as shown in Figure 1, the regulating mechanism 6 includes the 5th perfusion tube 61, the second drawing liquid pump 62 and water storage box
63, the 5th perfusion tube 61 is interconnected with the third perfusion tube 31, the 5th perfusion tube 61 and second drawing liquid
62 connection of pump, second drawing liquid pump 62 are interconnected with the water storage box 63；Water can be evacuated to neutralization by regulating mechanism 6
In liquid, to lower the acidic value of neutralizer, excessive neutralization is avoided.
Specifically, as shown in figures 1 and 3, the top of the cabinet 1 is equipped with the mixing tube 9a, and the liquid separation mechanism 9 is set
In the inner bottom of the mixing tube 9a, the liquid separation mechanism 9 includes filter plate 91 and bottom plate 92, the filter plate 91 and the bottom plate
92 interval settings, the filter plate 91, the bottom plate 92 are fixedly connected with the inner wall of the mixing tube 9a, the 4th perfusion tube
32, the top of second perfusion tube 23 is connected in the middle part of the bottom surface of the bottom plate 92, and the middle part of the bottom plate 92 is provided with through-hole
Structure；Waste liquid can be filtered by filter plate 91, and liquid can be also dispersed in mixing tube 9a.
Specifically, the plugging mechanism 8 includes terminal box 81, electromagnet 82, slide plate as shown in Fig. 2, Fig. 3 and Fig. 4
83, magnet 84 and plugging block 85, the terminal box 81 are set to the top surface of the filter plate 91, and the terminal box 81 is electrically connected institute
Electromagnet 82 is stated, the electromagnet 82 is set to the bottom surface of the filter plate 91, and the bottom of the electromagnet 82 is opposite to be set to the magnetic
Iron 84, the bottom surface of the magnet 84 are equipped with the plugging block 85, and the plugging block 85 cooperates the through-hole for being embedded in the bottom plate 92
In structure, there are four the slide plate 83 is set, the slide plate 83 is set to the surface of the bottom plate 92, the slide plate 83 in rectangular vertical
Inner wall be embedded with spring 831, the magnet 84 is slidably connected with the slide plate 83, and the spring 831 is fixed on the magnet
84 top；Electromagnet 82 is able to drive magnet 84 and moves upwards, and realizes for the control at drain, and spring 831 can
Band moving magnet 84 being capable of Rapid reset.
Specifically, as shown in Figure 1 and Figure 5, the rabbling mechanism 7 include rotary electric machine 71, shaft 72, agitating plate 73 and
Stirring rod 74, the shaft 72 are set to the middle part of the mixing tube 9a, and the top of the shaft 72 is rotatablely connected the rotation electricity
The outer wall vertical of machine 71, the shaft 72 is equipped with the agitating plate 73, and the agitating plate 73 is wavy, the agitating plate 73
Plane perpendicular is equipped with the stirring rod 74, and the outer wall of the stirring rod 74 is mesh-structured；Agitating plate 73, stirring rod 74 can be right
Mixed liquor stirring, the stirring rod 74 of mesh can break up liquid, so that mixed effect is more preferable.
Waste liquid, neutralizer can be tilted upward conveying by waste liquid conveying mechanism 2, neutralizer conveying mechanism 3, so that two
A liquid can opposite collision to mix, and mixed liquor conveys from bottom to top, enable two kinds of liquid slowly
It is sufficiently mixed, will not hurtle down outflow, lead to undercompounding；It can be to the exit of liquid separation mechanism 9 by plugging mechanism 8
It is controlled, allows fluid to scatter；When the pH value of waste liquid is excessively high, the second drawing liquid pump 62 can will be in water storage box 63
Water extraction, mixes then into third perfusion tube 31 with neutralizer, so that the PH of neutralizer is reduced.Specifically have:
(1) start each equipment, magnet 84 electric must be attached together by electromagnet 82, and magnet 84 moves upwards and squeezes bullet
Spring 831, so that the through-hole structure of bottom plate 92 is opened；
(2) waste liquid tilts upward conveying from the first perfusion tube 22, the second perfusion tube 23, at the same time, the first drawing liquid pump 42
Neutralizer is extracted out from fluid reservoir 41, conveying is then tilted upward by third perfusion tube 31, the 4th perfusion tube 32, due to the 4th
Perfusion tube 32, the second perfusion tube 23 end merge into a single whole, waste liquid will be mixed with neutralizer, then mixed
Liquid will be flowed into filter plate 91, the cavity structure in bottom plate 92 from the through-hole structure of bottom plate 92, can be to mixed by filter plate 91
It closes liquid to be filtered, subsequent mixed liquor flows up again；
(3) rotary electric machine 71 drives shaft 72 to rotate, so that agitating plate 73, stirring rod 74 rotate synchronously, 73 energy of agitating plate
Enough accelerate the mixed effect of waste liquid and neutralizer, stirring rod 74 can be improved mixing surface, and the mesh of 74 outer wall of stirring rod can make
It obtains liquid mutually to circulate, mixed liquor is stirred loosely, impurity is avoided to be packed together, stirs the mixed liquor energy of completion
It is enough to be discharged from drain pipe 91a；
(4) when the pH value of waste liquid is excessively high, the second drawing liquid pump 62 can extract the water in water storage box 63 out, then into
It is mixed in third perfusion tube 31 with neutralizer, so that the PH of neutralizer is reduced；
(5) when shutting down, electromagnet 82 is separated with magnet 84, and spring 831 is moved downward with moving magnet 84, so that plugging plate
85 can block the through-hole structure of bottom plate 92；Openable time liquid valve 52 of worker, so that the waste liquid in the second perfusion tube 23
It is entered in liquid-return box 53 by liquid back pipe 51.
Waste liquid, neutralizer can be tilted upward conveying by waste liquid conveying mechanism 2, neutralizer conveying mechanism 3 by the present invention,
Enable the opposite collision of two liquid to mix, and mixed liquor conveys from bottom to top, enables two kinds of liquid
Enough to be slowly sufficiently mixed, will not hurtle down outflow, lead to undercompounding；It can be to liquid separation mechanism 9 by plugging mechanism 8
Exit is controlled, and allows fluid to scatter；When the pH value of waste liquid is excessively high, the second drawing liquid pump 62 can be by water storage box
Water extraction in 63, mixes then into third perfusion tube 31 with neutralizer, so that the PH of neutralizer is reduced.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the description in above embodiment and specification only illustrates the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in the scope of protection of present invention.The claimed scope of the invention is by appended claims and its equivalent
Object defines.
Claims (9)
1. a kind of refinery alkaline residue treatment process, which is characterized in that method includes the following steps:
Waste liquid is added in neutralization reaction tank S1；Then acid solution is added into neutralization reaction tank；
S2, the neutralization reaction tank started in S1 are stirred mixed solution, and acid-base neutralization reaction is carried out in neutralization reaction tank；
S3, to the neutralization reaction in S2 after, yellow mud block is added in neutralization reaction tank, continues to stir, until yellow mud block is complete
Fully dissolved；
After S4, S3, the solid-liquid in neutralization reaction tank is separated；
The neutralization reaction tank used in this method includes cabinet (1), waste liquid conveying mechanism (2), neutralizer conveying mechanism (3), storage
Liquid mechanism (4), Hui Ye mechanism (5), regulating mechanism (6), rabbling mechanism (7), plugging mechanism (8), liquid separation mechanism (9) and mixing
It manages (9a)；The internal symmetry of the cabinet (1) is equipped with the waste liquid conveying mechanism (2) and neutralizer conveying mechanism (3), described useless
Liquid conveying mechanism (2) is to convey waste liquid, and the neutralizer conveying mechanism (3) is to convey neutralizer；The neutralizer conveying
The end of mechanism (3) is communicated with the liquid storage mechanism (4), and the liquid storage mechanism (4) is to store neutralizer；The neutralizer is defeated
The side wall of mechanism (3) is sent to be communicated with the regulating mechanism (6), pH-value of the regulating mechanism (6) to adjust neutralizer；Institute
The side wall for stating waste liquid conveying mechanism (2) is communicated with the Hui Ye mechanism (5), and the Hui Ye mechanism (5) is to Recycling of waste liquid；It is described
Waste liquid conveying mechanism (2), the neutralizer conveying mechanism (3) top be connected to the liquid separation mechanism (9), the liquid separation machine
Structure (9) is to liquid blending transportation；The inside of the liquid separation mechanism (9) is equipped with the plugging mechanism (8), the stopple plugging machine
Structure (8) is controlled to the folding to the liquid separation mechanism (9)；The liquid separation mechanism (9), the rabbling mechanism (7) are all provided with
In the inside of the mixing tube (9a).
2. a kind of refinery alkaline residue treatment process according to claim 1, it is characterised in that: the waste liquid conveying mechanism
It (2) include supplying valve (21), the first perfusion tube (22) and the second perfusion tube (23), first perfusion tube (22) is through institute
State cabinet (1), one end of first perfusion tube (22) is equipped with the supplying valve (21), first perfusion tube (22) it is another
One end is communicated with second perfusion tube (23), and second perfusion tube (23) tilts upward setting.
3. a kind of refinery alkaline residue treatment process according to claim 2, it is characterised in that: the Hui Ye mechanism (5)
Including liquid back pipe (51), return liquid valve (52) and liquid-return box (53), the liquid back pipe (51) and first perfusion tube (22)
Bottom surface is interconnected, and the bottom end of the liquid back pipe (51) is communicated with the liquid-return box (53), the outer wall peace of the liquid back pipe (51)
Equipped with described time liquid valve (52).
4. a kind of refinery alkaline residue treatment process according to claim 3, it is characterised in that: the neutralizer conveyer
Structure (3) includes third perfusion tube (31) and the 4th perfusion tube (32), the 4th perfusion tube (32) and second perfusion tube
(23) symmetrical, the caliber of the 4th perfusion tube (32) is less than the caliber of second perfusion tube (23), and the described 4th is defeated
The top polymerization of liquid pipe (32), second perfusion tube (23) is communicated as one structure, the 4th perfusion tube (32) with it is described
Third perfusion tube (31) is interconnected.
5. a kind of refinery alkaline residue treatment process according to claim 4, it is characterised in that: the liquid storage mechanism (4)
Including fluid reservoir (41) and the first drawing liquid pump (42), one end of first drawing liquid pump (42) and third perfusion tube (31) phase
Intercommunicated, the other end of first drawing liquid pump (42) and the fluid reservoir (41) are interconnected.
6. a kind of refinery alkaline residue treatment process according to claim 4, it is characterised in that: the regulating mechanism (6)
Including the 5th perfusion tube (61), the second drawing liquid pump (62) and water storage box (63), the 5th perfusion tube (61) and the third
Perfusion tube (31) is interconnected, and the 5th perfusion tube (61) is connected to second drawing liquid pump (62), second drawing liquid pump
(62) it is interconnected with the water storage box (63).
7. a kind of refinery alkaline residue treatment process according to claim 6, it is characterised in that: the top of the cabinet (1)
Portion is equipped with the mixing tube (9a), and the liquid separation mechanism (9) is set to the inner bottom of the mixing tube (9a), the liquid separation mechanism
It (9) include filter plate (91) and bottom plate (92), the filter plate (91) and the bottom plate (92) interval are arranged, the filter plate (91), institute
It states bottom plate (92) to be fixedly connected with the inner wall of the mixing tube (9a), the 4th perfusion tube (32), second perfusion tube
(23) top is connected in the middle part of the bottom surface of the bottom plate (92), is provided with through-hole structure in the middle part of the bottom plate (92).
8. a kind of refinery alkaline residue treatment process according to claim 7, it is characterised in that: the plugging mechanism (8)
Including terminal box (81), electromagnet (82), slide plate (83), magnet (84) and plugging block (85), the terminal box (81) is set to
The top surface of the filter plate (91), the terminal box (81) are electrically connected the electromagnet (82), and the electromagnet (82) is set to institute
The bottom surface of filter plate (91) is stated, the bottom of the electromagnet (82) is opposite to be set to the magnet (84), the bottom surface of the magnet (84)
Equipped with the plugging block (85), plugging block (85) cooperation is embedded in the through-hole structure of the bottom plate (92), the slide plate
(83) there are four setting, the slide plate (83) is set to the surface of the bottom plate (92), the inner wall of the slide plate (83) in rectangular vertical
It is embedded with spring (831), the magnet (84) is slidably connected with the slide plate (83), and the spring (831) is fixed on the magnetic
The top of iron (84).
9. a kind of refinery alkaline residue treatment process according to claim 7, it is characterised in that: the rabbling mechanism (7)
Including rotary electric machine (71), shaft (72), agitating plate (73) and stirring rod (74), the shaft (72) is set to the mixing tube
The top at the middle part of (9a), the shaft (72) is rotatablely connected the rotary electric machine (71), the outer wall vertical of the shaft (72)
Equipped with the agitating plate (73), the agitating plate (73) is wavy, and the plane perpendicular of the agitating plate (73) is equipped with described stir
It mixes bar (74), the outer wall of the stirring rod (74) is mesh-structured.
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