CN113636706A - Cotton oil washing sewage treatment equipment and treatment method - Google Patents
Cotton oil washing sewage treatment equipment and treatment method Download PDFInfo
- Publication number
- CN113636706A CN113636706A CN202111077850.8A CN202111077850A CN113636706A CN 113636706 A CN113636706 A CN 113636706A CN 202111077850 A CN202111077850 A CN 202111077850A CN 113636706 A CN113636706 A CN 113636706A
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- China
- Prior art keywords
- stirring
- cotton oil
- tank body
- sewage treatment
- water outlet
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B13/00—Recovery of fats, fatty oils or fatty acids from waste materials
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B13/00—Recovery of fats, fatty oils or fatty acids from waste materials
- C11B13/02—Recovery of fats, fatty oils or fatty acids from waste materials from soap stock
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- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
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- 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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
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- 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
- C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
- C02F2103/322—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters from vegetable oil production, e.g. olive oil production
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
Abstract
The invention discloses cotton oil washing sewage treatment equipment which mainly comprises a tank body, a stirrer and a heater, wherein the stirrer comprises a stirring shaft, a stirring blade assembly is arranged on the stirring shaft, the stirring blade assembly comprises a plurality of stirring blade groups which are arranged in an up-and-down position along the axis of the stirring shaft, each stirring blade group comprises a plurality of arc-shaped stirring blades, the back surfaces of the arc-shaped stirring blades are fixedly connected with the side surface of the stirring shaft, and the arc-shaped stirring blades are uniformly distributed and arranged on the outer side surface of the stirring shaft; the cotton oil washing sewage treatment equipment can quickly realize the treatment of the cotton oil washing sewage, can generate an acidic oil intermediate product in the treatment, and can recycle the acidic oil intermediate product.
Description
Technical Field
The invention belongs to the field of sewage treatment, and particularly relates to cotton oil washing sewage treatment equipment and a cotton oil washing sewage treatment method.
Background
The traditional cotton oil washing sewage treatment method generally adopts an air floatation mode, a flocculating agent and polyacrylamide are added into sewage, and then the sewage sequentially passes through an anaerobic tank, SBR sewage treatment aeration, a sedimentation tank and a clean water tank and is finally discharged. The traditional process has long sewage treatment time and large amount of generated sewage, and is not beneficial to environmental protection.
Disclosure of Invention
The invention aims to provide cotton oil washing sewage treatment equipment and a treatment method, which can quickly realize treatment on cotton oil washing sewage, can generate an acidic oil intermediate product in the treatment and can recycle the acidic oil intermediate product.
The cotton oil washing sewage treatment equipment mainly comprises a tank body, a stirrer and a heater, wherein the stirrer comprises a stirring shaft, a stirring blade assembly is arranged on the stirring shaft, the stirring blade assembly comprises a plurality of stirring blade groups which are vertically arranged along the axis of the stirring shaft, each stirring blade group comprises a plurality of arc-shaped stirring blades, the back surfaces of the arc-shaped stirring blades are fixedly connected with the side surface of the stirring shaft, and the arc-shaped stirring blades are uniformly distributed and arranged on the outer side surface of the stirring shaft.
Preferably, the stirring blades on adjacent stirring blade groups are in opposite directions.
Preferably, the cross section of the stirring blade is rectangular.
Preferably, the heater comprises a water jacket, the water jacket comprises a heat-insulating outer layer and a heat-conducting inner layer, the heat-insulating outer layer is communicated with a first water inlet pipe and a first water outlet pipe, and the other ends of the first water inlet pipe and the first water outlet pipe are both communicated with the tank body; the heat conduction inner layer is communicated with a second water inlet pipe and a second water outlet pipe, and the other end of the second water inlet pipe and the other end of the second water outlet pipe are communicated with a boiler.
Preferably, first inlet tube passes the cell body and is provided with the horn mouth with cell body intercommunication end, first outlet pipe is the heliciform with cell body intercommunication end and coils in the cell body from top to bottom, the agitator is located inside the column space that the first outlet pipe that coils formed, be provided with intake pump and play water pump on first inlet tube and the first outlet pipe respectively.
A cotton oil washing sewage treatment method comprises the following steps:
s1, placing sewage generated by cotton oil extraction process through centrifugal machine separation into a pool body, adding a proper amount of water into the pool body, starting a stirrer, and fully mixing soapstock and water to obtain a mixed solution;
s2, starting a heater, heating the mixed solution by the heater through the work of a water inlet pump and a water outlet pump, and stirring simultaneously until the temperature of the mixed solution in the tank body is not lower than 80 ℃, and stopping heating;
s3, adding hydrochloric acid into the tank body in the S2, stirring, detecting the pH value of liquid in the tank body by using pH test paper, and stopping adding the hydrochloric acid until the pH value is 2; standing for one hour, measuring the PH again to ensure that the pH value of the liquid in the pool body is not more than 2, stopping adding the hydrochloric acid, and standing for 8-10 hours;
s4, standing the mixed liquid in the pool body to enable the mixed liquid to be layered, pumping out the upper layer of grease when the grease is the grease last time to obtain mixed acid liquid, starting the stirrer again, and adding strong base sodium hydroxide into the pool body until the liquid is neutral.
The cotton oil washing sewage treatment equipment and the treatment method have the beneficial effects that: the realization that can be quick is to the processing of cotton oil washing sewage, and can produce the acidizing oil intermediate product in handling, can carry out recycle.
Drawings
FIG. 1 is a schematic structural view of cotton oil washing sewage treatment equipment according to the technical scheme of the invention,
figure 2 is a schematic view of the structure of the stirrer,
figure 3 is a schematic perspective view of the mixer,
figure 4 is a top view of the stirring blade assembly,
FIG. 5 is a flow chart of a cotton oil washing sewage treatment method according to the technical scheme of the invention.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.
In the cotton oil extraction process, the main steps comprise heating cotton seeds, adding alkaline water for mixing, saponification reaction and centrifugation, and cotton oil, soapstock and sewage can be obtained through the centrifugation reaction, wherein a large amount of soapstock and cotton oil exist in the sewage and can not be directly discharged. The treatment method has the advantages that the treatment time is long, and cotton oil and soapstock are wasted in the treatment.
As shown in FIG. 5, the technical scheme of the invention provides a cotton oil washing sewage treatment method, which comprises the following steps:
s1, placing sewage generated by cotton oil extraction process through centrifugal machine separation into a pool body, adding a proper amount of water into the pool body, starting a stirrer, and fully mixing soapstock and water to obtain a mixed solution;
s2, starting a heater, heating the mixed solution by the heater through the work of a water inlet pump and a water outlet pump, and stirring simultaneously until the temperature of the mixed solution in the tank body is not lower than 80 ℃, and stopping heating;
s3, adding hydrochloric acid into the tank body in the S2, stirring, detecting the pH value of liquid in the tank body by using pH test paper, and stopping adding the hydrochloric acid until the pH value is 2; standing for one hour, measuring the PH again to ensure that the pH value of the liquid in the pool body is not more than 2, stopping adding the hydrochloric acid, and standing for 8-10 hours;
s4, standing the mixed liquid in the pool body to enable the mixed liquid to be layered, pumping out the upper layer of grease when the grease is the grease last time to obtain mixed acid liquid, starting the stirrer again, and adding strong base sodium hydroxide into the pool body until the liquid is neutral.
According to the sewage treatment method based on the technical scheme, the cotton oil washing sewage is treated quickly, the cotton oil can be converted into the acidified oil in the treatment process and recovered as an intermediate product, the acidified oil can be used as a raw material for other chemical reactions, the economic benefit is improved, meanwhile, the directly discharged sewage is neutral, the main component is sodium chloride, and the sewage treatment method is pollution-free, energy-saving and environment-friendly.
As shown in fig. 1 to 4, the cotton oil water washing sewage treatment equipment in the technical scheme of the invention mainly comprises a tank body 1, a stirrer 2 and a heater 3. The stirrer 2 comprises a stirring shaft 21, and a stirring blade assembly 22 is mounted on the stirring shaft 21. Stirring vane subassembly 22 includes that the axis along (mixing) shaft 21 is a plurality of stirring vane group 221/222 of upper and lower position setting, and stirring vane group 221/222 includes a plurality of arc stirring vane, and the arc stirring vane back and (mixing) shaft 21 side rigid coupling, and the equipartition is arranged on (mixing) shaft 21 lateral surface. The stirring blades on the adjacent stirring blade groups are opposite in direction.
Based on above-mentioned technical scheme, when stirring mixed liquid, the stirring is mixed fast, can stir the mixture to mixed liquid from a plurality of directions and mix, misce bene.
The cross section of the stirring blade is rectangular, so that the stirring blade is convenient to process.
Referring to fig. 1, the heater 3 includes a water jacket, the water jacket includes a heat-insulating outer layer 32 and a heat-conducting inner layer 31, and a first water inlet pipe 34 and a first water outlet pipe 35 are communicated with the heat-insulating outer layer 32. The other ends of the first water inlet pipe 34 and the first water outlet pipe 35 are both communicated with the tank body 1. The heat conduction inner layer 31 is communicated with a second water inlet pipe 36 and a second water outlet pipe 37, and the other ends of the second water inlet pipe 36 and the second water outlet pipe 37 are communicated with a boiler. Realize heating the mixed liquid in the pond through the water jacket, firing equipment and mixed liquid contactless on the one hand avoid firing equipment to corrode, and on the other hand directly heats mixing, can control the volume of mixed liquid, avoids steam heating to cause the problem of sewage increase.
As shown in FIG. 1, the end of the first water inlet pipe 34 communicating with the tank body 1 passes through the tank body 1 and is provided with a bell mouth 38 for facilitating water inlet. The first water outlet pipe 35 is spirally coiled in the tank body 1 from top to bottom at the communicating end with the tank body 1. The stirrer 2 is located in the columnar space formed by the coiled first water outlet pipe 35 to avoid interference, and a water inlet pump 39 and a water outlet pump are respectively arranged on the first water inlet pipe 38 and the first water outlet pipe 35.
Technical solution of the invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive method concept and technical solution, or to apply the inventive concept and technical solution to other occasions without modification.
Claims (6)
1. The utility model provides a cotton oil washing sewage treatment device, its characterized in that mainly comprises cell body, agitator and heater, the agitator includes the (mixing) shaft, install stirring vane subassembly on the (mixing) shaft, stirring vane subassembly includes a plurality of stirring vane groups that position set up about being along the axis of (mixing) shaft, stirring vane group includes a plurality of arc stirring vane, the arc stirring vane back with (mixing) shaft side rigid coupling, and be in equipartition is arranged on the (mixing) shaft lateral surface.
2. The cotton oil washing sewage treatment device of claim 1, wherein the directions of the stirring blades on adjacent stirring blade groups are opposite.
3. The cotton oil washing sewage treatment device of claim 1, wherein the cross section of the stirring blade is rectangular.
4. The cotton oil washing sewage treatment equipment according to claim 1, wherein the heater comprises a water jacket, the water jacket comprises a heat-insulating outer layer and a heat-conducting inner layer, a first water inlet pipe and a first water outlet pipe are communicated with the heat-insulating outer layer, and the other ends of the first water inlet pipe and the first water outlet pipe are communicated with the tank body; the heat conduction inner layer is communicated with a second water inlet pipe and a second water outlet pipe, and the other end of the second water inlet pipe and the other end of the second water outlet pipe are communicated with a boiler.
5. The cotton oil washing sewage treatment equipment of claim 4, wherein the first water inlet pipe and the tank body communication end penetrate through the tank body and are provided with bell mouths, the first water outlet pipe and the tank body communication end are spirally wound in the tank body from top to bottom, the stirrer is positioned inside a cylindrical space formed by the wound first water outlet pipe, and a water inlet pump and a water outlet pump are respectively arranged on the first water inlet pipe and the first water outlet pipe.
6. A cotton oil washing sewage treatment method is characterized by comprising the following steps:
s1, placing sewage generated by cotton oil extraction process through centrifugal machine separation into a pool body, adding a proper amount of water into the pool body, starting a stirrer, and fully mixing soapstock and water to obtain a mixed solution;
s2, starting a heater, heating the mixed solution by the heater through the work of a water inlet pump and a water outlet pump, and stirring simultaneously until the temperature of the mixed solution in the tank body is not lower than 80 ℃, and stopping heating;
s3, adding hydrochloric acid into the tank body in the S2, stirring, detecting the pH value of liquid in the tank body by using pH test paper, and stopping adding the hydrochloric acid until the pH value is 2; standing for one hour, measuring the PH again to ensure that the pH value of the liquid in the pool body is not more than 2, stopping adding the hydrochloric acid, and standing for 8-10 hours;
s4, standing the mixed liquid in the pool body to enable the mixed liquid to be layered, pumping out the upper layer of grease when the grease is the grease last time to obtain mixed acid liquid, starting the stirrer again, and adding strong base sodium hydroxide into the pool body until the liquid is neutral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111077850.8A CN113636706A (en) | 2021-09-15 | 2021-09-15 | Cotton oil washing sewage treatment equipment and treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111077850.8A CN113636706A (en) | 2021-09-15 | 2021-09-15 | Cotton oil washing sewage treatment equipment and treatment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113636706A true CN113636706A (en) | 2021-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111077850.8A Pending CN113636706A (en) | 2021-09-15 | 2021-09-15 | Cotton oil washing sewage treatment equipment and treatment method |
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| CN (1) | CN113636706A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115557560A (en) * | 2022-10-25 | 2023-01-03 | 阳江宏旺实业有限公司 | Treatment equipment for stainless steel cold rolling pickling wastewater |
-
2021
- 2021-09-15 CN CN202111077850.8A patent/CN113636706A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115557560A (en) * | 2022-10-25 | 2023-01-03 | 阳江宏旺实业有限公司 | Treatment equipment for stainless steel cold rolling pickling wastewater |
| CN115557560B (en) * | 2022-10-25 | 2024-06-04 | 阳江宏旺实业有限公司 | Treatment equipment for stainless steel cold rolling pickling wastewater |
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