CN112225357A - Process water treatment system of oily sludge treatment equipment - Google Patents
Process water treatment system of oily sludge treatment equipment Download PDFInfo
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- CN112225357A CN112225357A CN202011189403.7A CN202011189403A CN112225357A CN 112225357 A CN112225357 A CN 112225357A CN 202011189403 A CN202011189403 A CN 202011189403A CN 112225357 A CN112225357 A CN 112225357A
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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
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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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
- C02F2001/007—Processes including a sedimentation step
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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
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
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- Environmental & Geological Engineering (AREA)
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- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention provides a process water treatment system of oil-containing sludge treatment equipment, which is applied to the technical field of oil-containing sludge treatment, wherein a dosing device (1) of the process water treatment system of the oil-containing sludge treatment equipment is communicated with an aeration oil separation tank (5) of an oil-containing sewage purification device (2), the aeration oil separation tank (5) is communicated with a coagulating sedimentation tank (6), the coagulating sedimentation tank (6) is communicated with an intermediate tank (7), the coagulating sedimentation tank (6) is simultaneously communicated with a fiber ball filter (3), the fiber ball filter (3) is communicated with the intermediate tank (7), and the intermediate tank (7) is communicated with a pyrolysis desorption system. Thereby meeting the oil-containing sludge standard and meeting the environmental protection requirement.
Description
Technical Field
The invention belongs to the technical field of oily sludge treatment, and particularly relates to a process water treatment system of oily sludge treatment equipment.
Background
In industrial production, the kinds of sludge treatment are quite various. While oil-containing sludges are an important class thereof. The oil-containing sludge needs to be subjected to oil-sludge separation. In the prior art, the oily sludge is calculated and respectively comprises liquid oily sludge (oil sludge), semi-solid oily sludge and solid oily sludge according to oil content, water content, solid content, material source and form. For the treatment of the oily sludge, the prior art needs classification treatment and quite complicated process procedures, so that the whole treatment system has a large number of devices, complicated process procedures and obviously increased cost. The processing water treatment system of the oily sludge treatment equipment is an important process in the treatment process, and the treatment equipment and the treatment process in the prior art have the disadvantages of complex structure, low automation degree, poor treatment efficiency and quality, and can not effectively meet the increasingly improved treatment requirement, so that the actual requirement can not be met.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the defects of the prior art, the process water treatment system of the oily sludge treatment equipment has the advantages of simple structure, reduced equipment and cost, simplifies the process water treatment process in the oily sludge treatment, realizes the process water treatment in the oily sludge treatment process with high efficiency and high quality, effectively cooperates with the oily sludge treatment system to carry out environment-friendly treatment on the oily sludge with pollution property, meets the oily sludge standard and meets the environment-friendly requirement.
To solve the technical problems, the invention adopts the technical scheme that:
the invention relates to a process water treatment system of oily sludge treatment equipment, which comprises a dosing device, an oily sewage purification device, a fiber ball filter and an air floatation device, wherein the oily sewage purification device comprises an aeration oil separation tank, a coagulating sedimentation tank, an intermediate tank and an oil floatation storage tank, the dosing device is communicated with the aeration oil separation tank of the oily sewage purification device, the aeration oil separation tank is communicated with the coagulating sedimentation tank, the coagulating sedimentation tank is communicated with the intermediate tank, the coagulating sedimentation tank is simultaneously communicated with the fiber ball filter, the fiber ball filter is communicated with the intermediate tank, the intermediate tank is communicated with a pyrolysis desorption system, an aeration fan is arranged in the aeration oil separation tank, the air floatation device and an oil recovery machine are arranged in the coagulating sedimentation tank, the air floatation device comprises an air dissolving pump, the oil recovery machine comprises a steel belt, and the oil recovery machine is communicated with the oil floatation storage tank.
The chemical adding device is arranged to be capable of adding chemical polyaluminium chloride (PAC), nonionic polymeric flocculant (PAM) and alkali pieces which can improve the treatment effect and efficiency of process water into an aeration oil separation tank of the oily sewage purification device.
The aeration fan in the aeration oil separation tank is arranged to carry out aeration treatment on the sewage entering the aeration oil separation tank, so that the primary separation of oil and water in the sewage is realized; the sewage which realizes the preliminary separation of oil and water in the aeration oil separation tank is set into a structure which can enter a coagulating sedimentation tank of the oily sewage purification device.
Oily sewage purification device's coagulating sedimentation tank set up to the structure that can realize water oil separating to the sewage that gets into, receipts oil machine setting at coagulating sedimentation tank top, the steel band setting is setting up to the oleophylic hydrophobic property that can utilize the steel band and adsorbs the oil slick that floats to coagulating sedimentation tank surface, the structure in the oil slick inflow oil storage case of adhesion on the steel band is collected to the rethread scraper blade.
The wastewater treated by the coagulation sedimentation tank of the oily sewage purification device is set into a structure capable of overflowing to the middle tank.
The fiber ball filter is a fiber ball filter material, and the filter material of the fiber ball filter is set to be a structure with the diameter of less than 20 microns, preferably less than 10 microns.
The dissolved air pump of the air flotation device is set to be capable of forming highly dispersed micro bubbles in sewage and adhering solid or liquid particles of a hydrophobic group in the sewage, so that a water-gas-particle three-phase mixed state is formed, after the bubbles are adhered to the particles, a structure with apparent density smaller than that of floc of water is formed, the floc is set to be capable of floating to the sewage surface, and a structure with a scum layer scraped by a scraping part to realize solid-liquid or liquid-liquid separation in the sewage is formed.
Partial waste water in the intermediate pool of the oily sludge treatment equipment process water treatment system is set to be a structure capable of being pumped to the oily sludge pyrolysis desorption treatment system for recycling, partial waste water in the intermediate pool is set to be a structure capable of entering the fiber ball filter for treatment, and the waste water treated by the fiber ball filter is set to be a structure capable of being pumped back to the intermediate pool.
When the sewage water amount in the intermediate tank of the process water treatment system of the oily sludge treatment equipment is too large, part of sewage water is arranged into a structure which can be discharged to the primary water treatment device for treatment, and the solid phase component at the bottom of the aeration oil separation tank of the oily sewage purification device is arranged into a structure which can be returned to the conditioning separation tank and the wet material receiving tank.
By adopting the technical scheme of the invention, the following beneficial effects can be obtained:
when the process water treatment system of the oily sludge treatment equipment is used for treating the process water, a medicament polyaluminium chloride (PAC), a non-ionic polymeric flocculant (PAM) and an alkali disc which can improve the treatment effect and efficiency of the process water are added into an aeration oil separation tank of an oily sewage purification device through a medicament adding device, so that the separation reaction efficiency during the process water (sewage) treatment is improved. Then, while the medicament accelerates the reaction, an aeration fan in the aeration oil separation tank aerates the sewage entering the aeration oil separation tank, so that the oil and water in the sewage are primarily separated; and the sewage which realizes the preliminary separation of oil and water in the aeration oil separation tank enters a coagulating sedimentation tank of the oily sewage purification device. The oil-water separation is realized to the sewage that gets into in the coagulating sedimentation tank, receipts oil machine setting at the coagulating sedimentation tank top, the floating oil that floats to the coagulating sedimentation tank surface is adsorbed to the steel band utilizing the oleophylic hydrophobic property of steel band, in the oil slick inflow oil storage tank of rethread scraper blade collection adhesion on the steel band. The wastewater treated by the coagulation sedimentation tank of the oily sewage purification device overflows to the intermediate tank. Therefore, the process water is conveniently and efficiently treated. The system of the invention is a component of an oil-containing sludge treatment system. The improvement of the present application, which relates to the parts of the equipment existing in the field of oily sludge treatment in the prior art, is not the improvement of the specific devices (parts) per se, but the unique connection of the parts is carried out to form a unique system and form a unique process step to realize the treatment of the oily sludge. The oily sludge pyrolysis desorption treatment system provided by the invention is effectively matched with the oily sludge treatment system to carry out environment-friendly treatment on the oily sludge with pollution property, so that the pollution and damage of the oily sludge with pollution property to the environment are effectively reduced, and meanwhile, each component of the oily sludge is separated, respectively treated and recovered, and the oily sludge pyrolysis desorption treatment system has quite high economic benefit and social benefit. The process water treatment system of the oily sludge treatment equipment has the advantages of simple structure, less equipment, low cost, simplification of the process water treatment process in oily sludge treatment, high-efficiency and high-quality realization of process water treatment in the oily sludge treatment process, and effective cooperation with the oily sludge treatment system to carry out environment-friendly treatment on oily sludge with pollution property, thereby meeting the oily sludge standard and meeting the environment-friendly requirement.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic structural diagram of a process water treatment system of an oily sludge treatment device according to the present invention;
in the drawings, the reference numbers are respectively: 1. a dosing device; 2. an oily sewage purification device; 3. a fiber ball filter; 4. an air floatation device; 5. an aeration oil separation tank; 6. a coagulating sedimentation tank; 7. an intermediate tank; 8. an aeration fan; 9. a dissolved air pump; 10. an oil recovery machine; 11. a steel belt; 12. the oil slick storage tank.
Detailed Description
The following detailed description of the embodiments of the present invention, such as the shapes and structures of the components, the mutual positions and connection relations among the components, the functions and operation principles of the components, will be made by referring to the accompanying drawings and the description of the embodiments:
as shown in the attached figure 1, the invention relates to a process water treatment system of oily sludge treatment equipment, which comprises a dosing device 1, an oily sewage purification device 2, a fiber ball filter 3 and an air flotation device 4, wherein the oily sewage purification device 2 comprises an aeration oil separation tank 5, a coagulation sedimentation tank 6, an intermediate tank 7 and an oil flotation storage tank 12, the dosing device 1 is communicated with the aeration oil separation tank 5 of the oily sewage purification device 2, the aeration oil separation tank 5 is communicated with the coagulation sedimentation tank 6, the coagulation sedimentation tank 6 is communicated with the intermediate tank 7, the coagulation sedimentation tank 6 is simultaneously communicated with the fiber ball filter 3, the fiber ball filter 3 is communicated with the intermediate tank 7, the intermediate tank 7 is communicated with a pyrolysis desorption system, an aeration fan 8 is arranged in the aeration oil separation tank 5, the air flotation device 4 and an oil recovery machine 10 are arranged in the coagulation sedimentation tank 6, the air flotation device 4 comprises an air dissolving pump 9, the oil recovery machine 10 comprises a steel belt 11, and the oil recovery machine 10 is communicated with an oil slick storage tank 12. The structure provides improvement aiming at the problem of complex equipment in the prior art. When the process water is treated, the chemical agent polyaluminium chloride (PAC), the non-ionic polymeric flocculant (PAM) and the alkali flake which can improve the treatment effect and efficiency of the process water are added into the aeration oil separation tank 5 of the oily sewage purification device 2 through the chemical adding device 1, so that the treatment of the process water (sewage) is improved. Then, while the medicament accelerates the reaction, the aeration fan 8 in the aeration oil separation tank 5 aerates the sewage entering the aeration oil separation tank 5, so that the oil and water in the sewage are primarily separated; the sewage which realizes the preliminary separation of oil and water in the aeration oil separation tank 5 enters a coagulating sedimentation tank 6 of the oily sewage purification device 2. The oil-water separation of the sewage entering the coagulating sedimentation tank 6 is realized, the oil collecting machine 10 is arranged at the top of the coagulating sedimentation tank 6, the steel belt 11 adsorbs the floating oil floating on the surface of the coagulating sedimentation tank 6 by utilizing the oleophylic and hydrophobic properties of the steel belt 11, and the floating oil adhered on the steel belt 11 is collected by the scraper and flows into the floating oil storage tank 12. The wastewater treated by the coagulating sedimentation tank 6 of the oily sewage purification device 2 overflows to the intermediate tank 7. Therefore, the process water is conveniently and efficiently treated. The system of the invention is a component of an oil-containing sludge treatment system. The improvement of the present application, which relates to the parts of the equipment existing in the field of oily sludge treatment in the prior art, is not the improvement of the specific devices (parts) per se, but the unique connection of the parts is carried out to form a unique system and form a unique process step to realize the treatment of the oily sludge. The oily sludge pyrolysis desorption treatment system provided by the invention is effectively matched with the oily sludge treatment system to carry out environment-friendly treatment on the oily sludge with pollution property, so that the pollution and damage of the oily sludge with pollution property to the environment are effectively reduced, and meanwhile, each component of the oily sludge is separated, respectively treated and recovered, and the oily sludge pyrolysis desorption treatment system has quite high economic benefit and social benefit. The process water treatment system of the oily sludge treatment equipment has the advantages of simple structure, less equipment, low cost, simplification of the process water treatment process in oily sludge treatment, high-efficiency and high-quality realization of process water treatment in the oily sludge treatment process, and environmental protection treatment of oily sludge with pollution property by matching with the oily sludge treatment system, thereby meeting the oily sludge standard and meeting the environmental protection requirement.
The chemical adding device 1 is arranged to be capable of adding chemical polyaluminium chloride (PAC), nonionic polymeric flocculant (PAM) and alkali flake structures capable of improving the process water treatment effect and efficiency into the aeration oil separation tank 5 of the oily sewage purification device 2. The above structure adds the required amount of the chemical according to the composition of the sewage, the flow rate and the flow rate through the aeration oil separation tank 5. And charge device realizes automatic medicine that adds, on the one hand, reduces operating personnel intensity of labour, and on the other hand, the guarantee adds the accurate nature of medicament weight, improves whole treatment quality.
The aeration fan 8 in the aeration oil separation tank 5 is arranged to carry out aeration treatment on the sewage entering the aeration oil separation tank 5, so that the oil and water in the sewage are primarily separated; the sewage which realizes the preliminary separation of oil and water in the aeration oil separation tank 5 is set into a structure which can enter a coagulating sedimentation tank 6 of the oily sewage purification device 2. The coagulating sedimentation tank 6 of the oily sewage purifying device 2 is set to be a structure capable of realizing oil-water separation of entering sewage, the oil collecting machine 10 is arranged at the top of the coagulating sedimentation tank 6, the steel strip 11 is arranged at the top of the coagulating sedimentation tank 6, the oleophylic and hydrophobic properties of the steel strip 11 can be utilized to adsorb and float the floating oil on the surface of the coagulating sedimentation tank 6, and the structure that the floating oil adhered to the steel strip 11 flows into the floating oil storage tank 12 is collected by the scraper. According to the structure, when sewage to be treated is treated, the sewage is treated by the aeration oil separation tank 5, and oil separated from the aeration oil separation tank 5 is collected. Then, the sewage enters a coagulating sedimentation tank 6 for treatment.
The wastewater treated by the coagulating sedimentation tank 6 of the oily sewage purification device 2 is set into a structure capable of overflowing to the intermediate tank 7. Partial waste water in the intermediate pool 7 of the oily sludge treatment equipment process water treatment system is set to be a structure capable of being pumped to the oily sludge pyrolysis desorption treatment system for recycling, partial waste water in the intermediate pool 7 is set to be a structure capable of entering the fiber ball filter 3 for treatment, and the waste water treated by the fiber ball filter 3 is set to be a structure capable of being pumped back to the intermediate pool 7. When the sewage water amount in the intermediate tank 19 of the process water treatment system of the oily sludge treatment equipment is too large, part of sewage is set to be in a structure which can be discharged to the primary water treatment device for treatment, and the solid phase component at the bottom of the aeration oil separation tank 5 of the oily sewage purification device 2 is set to be in a structure which can return to the conditioning separation tank and the wet material receiving tank. According to the structure, the treated sewage enters the intermediate tank for sedimentation. And the sewage entering the intermediate tank is still treated, used and distributed, and the utilization efficiency is improved.
The fiber ball filter 3 is made of a fiber ball filter material, and the filter material of the fiber ball filter 3 is set to be of a structure with the diameter of less than 20 micrometers, preferably less than 10 micrometers. With the structure, the fiber ball filter 3 is changed from oleophilic type to hydrophilic type, has the advantages of large specific surface area, small filtering resistance and the like, and solves the problems that the filtering precision of granular filtering materials is limited by the particle size of the filtering materials and the like. Is a renewal product of granular filter material filtering equipment such as quartz sand and the like, and effectively improves the filtering performance in sewage treatment.
The dissolved air pump 9 of the air flotation device 4 is set to be capable of forming highly dispersed micro bubbles in sewage and adhering solid or liquid particles of hydrophobic groups in the sewage, so that a water-gas-particle three-phase mixed state is formed, after the bubbles are adhered to the particles, a structure with apparent density smaller than that of flocs of water is formed, and the flocs are set to be capable of floating up to the sewage surface to form a structure with a scum layer scraped by a scraping part to realize solid-liquid or liquid-liquid separation in the sewage.
When the process water treatment system of the oily sludge treatment equipment is used for treating the process water, a medicament polyaluminium chloride (PAC), a non-ionic polymeric flocculant (PAM) and an alkali disc which can improve the treatment effect and efficiency of the process water are added into an aeration oil separation tank of an oily sewage purification device through a medicament adding device, so that the separation reaction efficiency during the process water (sewage) treatment is improved. Then, while the medicament accelerates the reaction, an aeration fan in the aeration oil separation tank aerates the sewage entering the aeration oil separation tank, so that the oil and water in the sewage are primarily separated; and the sewage which realizes the preliminary separation of oil and water in the aeration oil separation tank enters a coagulating sedimentation tank of the oily sewage purification device. The oil-water separation is realized to the sewage that gets into in the coagulating sedimentation tank, receipts oil machine setting at the coagulating sedimentation tank top, the floating oil that floats to the coagulating sedimentation tank surface is adsorbed to the steel band utilizing the oleophylic hydrophobic property of steel band, in the oil slick inflow oil storage tank of rethread scraper blade collection adhesion on the steel band. The wastewater treated by the coagulation sedimentation tank of the oily sewage purification device overflows to the intermediate tank. Therefore, the process water is conveniently and efficiently treated. The system of the invention is a component of an oil-containing sludge treatment system. The improvement of the present application, which relates to the parts of the equipment existing in the field of oily sludge treatment in the prior art, is not the improvement of the specific devices (parts) per se, but the unique connection of the parts is carried out to form a unique system and form a unique process step to realize the treatment of the oily sludge. The oily sludge pyrolysis desorption treatment system provided by the invention is effectively matched with the oily sludge treatment system to carry out environment-friendly treatment on the oily sludge with pollution property, so that the pollution and damage of the oily sludge with pollution property to the environment are effectively reduced, and meanwhile, each component of the oily sludge is separated, respectively treated and recovered, and the oily sludge pyrolysis desorption treatment system has quite high economic benefit and social benefit. The process water treatment system of the oily sludge treatment equipment has the advantages of simple structure, less equipment, low cost, simplification of the process water treatment process in oily sludge treatment, high-efficiency and high-quality realization of process water treatment in the oily sludge treatment process, and effective cooperation with the oily sludge treatment system to carry out environment-friendly treatment on oily sludge with pollution property, thereby meeting the oily sludge standard and meeting the environment-friendly requirement.
The present invention has been described in connection with the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments disclosed, but is intended to cover various modifications, changes and equivalents of the embodiments of the invention, and its application to other applications without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides an oily sludge treatment equipment technology water processing system which characterized in that: comprises a dosing device (1), an oily sewage purification device (2), a fiber ball filter (3) and an air flotation device (4), wherein the oily sewage purification device (2) comprises an aeration oil separation tank (5), a coagulating sedimentation tank (6), an intermediate tank (7) and an oil slick storage tank (12), the dosing device (1) is communicated with the aeration oil separation tank (5) of the oily sewage purification device (2), the aeration oil separation tank (5) is communicated with the coagulating sedimentation tank (6), the coagulating sedimentation tank (6) is communicated with the intermediate tank (7), the coagulating sedimentation tank (6) is simultaneously communicated with the fiber ball filter (3), the fiber ball filter (3) is communicated with the intermediate tank (7), the intermediate tank (7) is communicated with a pyrolysis desorption system, an aeration fan (8) is arranged in the aeration oil separation tank (5), the air flotation device (4) and an oil recovery machine (10) are arranged in the coagulating sedimentation tank (6), the air floatation device (4) comprises a dissolved air pump (9), the oil recovery machine (10) comprises a steel belt (11), and the oil recovery machine (10) is communicated with an oil floatation storage tank (12).
2. The process water treatment system of the oily sludge treatment facility according to claim 1, characterized in that: the chemical adding device (1) is arranged into an aeration oil separation tank (5) of the oily sewage purification device (2) and is added with chemical polyaluminium chloride (PAC), nonionic polymeric flocculant (PAM) and alkali pieces which can improve the treatment effect and efficiency of process water.
3. The oily sludge treatment facility process water treatment system as claimed in claim 1 or 2, wherein: the aeration fan (8) in the aeration oil separation tank (5) is arranged to carry out aeration treatment on the sewage entering the aeration oil separation tank (5) so as to realize a primary separation structure of oil and water in the sewage; the sewage which realizes the preliminary separation of oil and water in the aeration oil separation tank (5) is set into a structure which can enter a coagulating sedimentation tank (6) of the oily sewage purification device (2).
4. The oil-containing sludge treatment facility process water treatment system of claim 3, characterized in that: the coagulating sedimentation tank (6) of oily sewage purification device (2) set up to the structure that can realize water oil separating to the sewage that gets into, oil recovery machine (10) set up at coagulating sedimentation tank (6) top, steel band (11) set up and adsorb the oil slick that floats to coagulating sedimentation tank (6) surface in setting up to the oleophylic hydrophobic performance that can utilize steel band (11), the rethread scraper blade is collected the structure that the oil slick that adheres on steel band (11) flows into in oil slick bin (12).
5. The oil-containing sludge treatment facility process water treatment system of claim 4, characterized in that: the waste water treated by the coagulation sedimentation tank (6) of the oily sewage purification device (2) is set into a structure capable of overflowing to the intermediate tank (7).
6. The oily sludge treatment facility process water treatment system as claimed in claim 1 or 2, wherein: the fiber ball filter (3) is made of a fiber ball filter material, and the filter material of the fiber ball filter (3) is set to be of a structure with the diameter of less than 20 microns, preferably less than 10 microns.
7. The oil-containing sludge treatment facility process water treatment system of claim 6, characterized in that: the dissolved air pump (9) of the air flotation device (4) is set to be capable of forming highly dispersed micro bubbles in sewage and adhering solid or liquid particles of hydrophobic groups in the sewage, so that a water-gas-particle three-phase mixed state is formed, after the particles adhere to the bubbles, a structure with apparent density smaller than that of floc of water is formed, and the floc is set to be capable of floating to the sewage surface to form a structure with a scum layer scraped by a scraping part to realize solid-liquid or liquid-liquid separation in the sewage.
8. The oil-containing sludge treatment facility process water treatment system of claim 5, characterized in that: partial waste water in the intermediate pool (7) of the oily sludge treatment equipment process water treatment system is set to be a structure capable of being pumped to the oily sludge pyrolysis desorption treatment system for recycling, partial waste water in the intermediate pool (7) is set to be a structure capable of entering the fiber ball filter (3) for treatment, and the waste water treated by the fiber ball filter (3) is set to be a structure capable of being pumped back to the intermediate pool (7).
9. The process water treatment system of the oily sludge treatment facility according to claim 1, characterized in that: when the sewage water amount in the intermediate tank (19) of the process water treatment system of the oily sludge treatment equipment is too large, part of sewage is set to be in a structure capable of being discharged to the primary water treatment device for treatment, and solid phase components at the bottom of the aeration oil separation tank (5) of the oily sewage purification device (2) are set to be in a structure capable of returning to the conditioning separation tank and the wet material receiving tank.
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| CN202011189403.7A CN112225357A (en) | 2020-10-30 | 2020-10-30 | Process water treatment system of oily sludge treatment equipment |
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| CN202011189403.7A CN112225357A (en) | 2020-10-30 | 2020-10-30 | Process water treatment system of oily sludge treatment equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114752407A (en) * | 2022-04-21 | 2022-07-15 | 滨海威凯(天津)工程技术服务有限公司 | Skid-mounted equipment and method for treating aging oil or oily sludge |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02222797A (en) * | 1989-02-27 | 1990-09-05 | Ee B C Japan Kk | Oil-water treatment apparatus |
| CN106045125A (en) * | 2016-07-19 | 2016-10-26 | 大庆清溪水处理技术服务有限公司 | Oil field comprehensive sewage treatment device |
| CN108793643A (en) * | 2018-08-28 | 2018-11-13 | 江苏国松环境科技开发有限公司 | Integrated treating device and processing method are given birth in sewage disposal materialization |
| CN208485768U (en) * | 2018-07-10 | 2019-02-12 | 厦门兴重环保化工有限公司 | A kind of oil-contained waste water treatment device |
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2020
- 2020-10-30 CN CN202011189403.7A patent/CN112225357A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02222797A (en) * | 1989-02-27 | 1990-09-05 | Ee B C Japan Kk | Oil-water treatment apparatus |
| CN106045125A (en) * | 2016-07-19 | 2016-10-26 | 大庆清溪水处理技术服务有限公司 | Oil field comprehensive sewage treatment device |
| CN208485768U (en) * | 2018-07-10 | 2019-02-12 | 厦门兴重环保化工有限公司 | A kind of oil-contained waste water treatment device |
| CN108793643A (en) * | 2018-08-28 | 2018-11-13 | 江苏国松环境科技开发有限公司 | Integrated treating device and processing method are given birth in sewage disposal materialization |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114752407A (en) * | 2022-04-21 | 2022-07-15 | 滨海威凯(天津)工程技术服务有限公司 | Skid-mounted equipment and method for treating aging oil or oily sludge |
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