CN114920376B - Centrifugal coalescence type oily sewage treatment device and treatment method - Google Patents
Centrifugal coalescence type oily sewage treatment device and treatment method Download PDFInfo
- Publication number
- CN114920376B CN114920376B CN202210646250.7A CN202210646250A CN114920376B CN 114920376 B CN114920376 B CN 114920376B CN 202210646250 A CN202210646250 A CN 202210646250A CN 114920376 B CN114920376 B CN 114920376B
- Authority
- CN
- China
- Prior art keywords
- tank body
- filter
- centrifugal
- wall
- lower tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- Centrifugal Separators (AREA)
Abstract
In the centrifugal coalescing oil-containing sewage treatment device and method, a first discharge channel is arranged at the top of an upper tank body; the oily sewage flows through the filter element assembly and then enters the upper tank body; the second discharge channel is arranged on one side wall of the middle tank body close to the upper fixed partition plate; the water inlet channel introduces oily sewage containing particles and suspended matters into the middle tank body and the lower tank body from the outside; the inner wall of the lower tank body is provided with a particulate matter accommodating part; centrifuging the oily sewage containing the particles and suspended matters by a centrifugal component, collecting the separated particles in a particle containing part, and communicating a third discharge channel with the particle containing part; the water outlet channel is arranged on one side wall of the tank body close to the upper part of the upper fixed partition plate. The special structure arrangement can simultaneously separate particles, suspended matters, oil and water; one device can separate oil-containing sewage containing various different types of impurities at the same time, and is a high-efficiency oil-containing sewage treatment device and method.
Description
Technical Field
The application relates to an oily sewage treatment device and method containing particles and suspended matters, in particular to a centrifugal coalescence type oily sewage treatment device and method.
Background
Oily wastewater sometimes contains both particulates and suspended matter, the presence of which presents a significant challenge to oil-water separation devices and methods; the particles and suspended matters are easy to gather on the surface of the filter material, so that the filter material is blocked, and the normal operation of the oil-water separation device is affected. In the oil-water separation filter device, there is usually a flushing process to clear the blocked filter channel, and in the presence of particulate matters and suspended matters, the frequency of flushing is higher because the particulate matters and suspended matters are very easy to aggregate to cause blocking, so that the efficiency of the whole oil-water separation is greatly reduced.
In the prior art, the oily sewage treatment containing both particulate matters and suspended matters generally needs to separate and treat various matters in a targeted manner, namely, certain factors in the oily sewage treatment are treated firstly and then oil-water separation is carried out, for example, suspended matters are cleaned independently firstly and then oil-water separation is carried out; or filtering the particles, removing suspended matters, and separating oil from water; each process requires the provision of a separate processing device. The main reason that the comprehensive sewage treatment device capable of integrating all the treatment processes is not seen is that if the comprehensive sewage treatment device is integrated, the influence of particles and suspended matters on the oily sewage treatment device needs to be tolerated, the blockage of the oil-water separation device can be frequently caused, the oil-water separation efficiency is reduced, the oil-water separation cost is increased, and the oily sewage treatment device needs to be frequently flushed to ensure the normal operation of the treatment device.
Disclosure of Invention
The technical scheme of the application overcomes the defects of the prior art, and designs the centrifugal coalescence type oily sewage treatment device with the centrifugal component, which is particularly suitable for oil-water separation of oily sewage containing particles and suspended matters simultaneously, and the structure arrangement is skillfully utilized, so that the particles and the suspended matters in the oily sewage can be separated simultaneously, and the oil-water separation efficiency of the particles and the suspended matters is greatly improved.
The technical scheme for solving the technical problems is that the centrifugal coalescence type oily sewage treatment device comprises a tank body, a water inlet channel, a water outlet channel, a first discharge channel, a second discharge channel, a third discharge channel, a filter element component and a centrifugal component; the tank body comprises an upper tank body, a middle tank body and a lower tank body; the first discharge channel is arranged at the top of the upper tank body; the upper tank body and the middle tank body are separated by an upper fixed baffle; one end of the filter element assembly is fixedly connected with the upper fixed partition board, and the output end of the filter element assembly penetrates through the upper fixed partition board, and oily sewage flows through the filter element assembly and then enters the upper tank body; the second discharge channel is arranged on one side wall of the middle tank body close to the upper fixed partition plate; the middle tank body is communicated with the lower tank body; the water inlet channel is communicated with the middle tank body, and the oily sewage containing the particulate matters and the suspended matters is introduced into the middle tank body and the lower tank body from the outside; the centrifugal component is arranged in the lower tank body; the inner wall of the lower tank body is provided with a particulate matter accommodating part; centrifuging the oily sewage containing particles and suspended matters entering the lower tank body through a centrifugal component, collecting the centrifugally separated particles in a particle containing part, and arranging a third discharge channel on the outer wall of the lower tank body, wherein the third discharge channel is communicated with the particle containing part; the water outlet channel is arranged on one side wall of the upper tank body close to the upper fixed partition plate.
The centrifugal component comprises a rotary impeller and a flow guiding component; the rotary impeller is arranged at the position of the lower tank body close to the bottom and is connected with a rotating shaft of a motor arranged outside the tank body; the flow guiding component is arranged at the top of the rotary impeller; the flow guiding component comprises a plurality of flow guiding sheets which are uniformly distributed on the top surface of the rotary impeller; the lower tank body is an inverted hollow round table, and the particulate matter accommodating part is an annular groove arranged on the inner wall of the lower tank body.
A connecting hole is formed in the middle of the rotary impeller; one end of a rotating shaft of the external motor penetrates through the lower tank body to enter the lower tank body and is connected with the connecting hole, the rotating shaft of the external motor rotates to drive the rotary wave wheel to rotate, and the annular groove is arranged on the inner wall of the lower tank body and is higher than the centrifugal component in the lower tank body.
The filter element component comprises a cylindrical inner filter cylinder, a cylindrical outer filter cylinder, a middle filter material layer and a filter box gland; the middle filter material layer is arranged between the inner filter cylinder and the outer filter cylinder; the middle filter material layer is filled by graphene modified coalescence materials; the inner filter cartridge is hollow and comprises an inner filter cartridge wall and an inner filter cartridge bottom plate; the outer filter cartridge comprises an outer filter cartridge wall and an outer filter cartridge bottom plate; the inner filter cylinder and the outer filter cylinder are coaxially sleeved, and the diameter of the inner filter cylinder is smaller than that of the outer filter cylinder; the filter box pressing cover is pressed on the inner filter cylinder and the outer filter cylinder which are coaxially sleeved and connected, and is used as the upper top surfaces of the inner filter cylinder and the outer filter cylinder; the inner layer filter cylinder wall, the inner layer filter cylinder bottom plate and the outer layer filter cylinder wall are fixedly connected by a perforated plate and a filter screen; the filter box gland and the outer filter cartridge bottom plate are made of sealing plates; the center of the filter box pressing cover extends upwards to form a water outlet at the upper end of the filter element; the filter box gland is fixedly connected with the upper fixed partition plate, and the water outlet at the upper end of the filter element extends upwards and is higher than the upper surface of the upper fixed partition plate.
The outer filter cartridge further comprises a plurality of fiber bundles fixedly connected with the outer filter cartridge wall; the wall of the outer layer filtering barrel is formed by welding a stainless steel coaming and a stainless steel filtering net; the plurality of fiber bundles are fixed on the wall surface of the outer filter cylinder through pressing strips; the fiber bundles are modified fiber bundles; the centrifugal coalescence type oily sewage treatment device also comprises a hollow inverted conical water cap, wherein the small end of the water cap is communicated with the water outlet at the upper end of the filter element, and the large end of the water cap is communicated with the upper tank body.
The technical scheme for solving the technical problems can also be a centrifugal coalescence type oily sewage treatment method, and the centrifugal coalescence type oily sewage treatment device comprises a centrifugal separation step A, wherein the step A comprises the following steps of A1: introducing sewage to be treated into the middle tank body and the lower tank body from the water inlet channel; step A2: the centrifugal component rotates to throw the particles in the sewage in the lower tank body to the edge of the inner wall of the lower tank body; step A3: the particulate matter falls into the particulate matter accommodation portion, and the particulate matter is discharged outward through a third discharge passage communicating with the particulate matter accommodation portion.
In the centrifugal coalescence type oily sewage treatment device, a centrifugal component comprises a rotary impeller and a diversion component; the rotary impeller is arranged at the position of the lower tank body close to the bottom and is connected with a rotating shaft of a motor arranged outside the tank body; the flow guiding component is arranged at the top of the rotary impeller; the flow guiding component comprises a plurality of flow guiding sheets which are uniformly distributed on the top surface of the rotary impeller; the lower tank body is an inverted hollow round table, and the particulate matter accommodating part is an annular groove arranged on the inner wall of the lower tank body.
In the centrifugal coalescence type oily sewage treatment device, the filter element component comprises a cylindrical inner filter cylinder, a cylindrical outer filter cylinder, a middle filter material layer and a filter box gland; the middle filter material layer is arranged between the inner filter cylinder and the outer filter cylinder; the middle filter material layer is filled by graphene modified coalescence materials; the inner filter cartridge is hollow and comprises an inner filter cartridge wall and an inner filter cartridge bottom plate; the outer filter cartridge comprises an outer filter cartridge wall and an outer filter cartridge bottom plate; the inner filter cylinder and the outer filter cylinder are coaxially sleeved, and the diameter of the inner filter cylinder is smaller than that of the outer filter cylinder; the filter box pressing cover is pressed on the inner filter cylinder and the outer filter cylinder which are coaxially sleeved and connected, and is used as the upper top surfaces of the inner filter cylinder and the outer filter cylinder; the inner layer filter cylinder wall, the inner layer filter cylinder bottom plate and the outer layer filter cylinder wall are fixedly connected by a perforated plate and a filter screen; the filter box gland and the outer filter cartridge bottom plate are made of sealing plates; the center of the filter box pressing cover extends upwards to form a water outlet at the upper end of the filter element; the filter box gland is fixedly connected with the upper fixed partition plate, and a water outlet at the upper end of the filter element extends upwards and is higher than the upper surface of the upper fixed partition plate; the outer filter cartridge further comprises a plurality of fiber bundles fixedly connected with the outer filter cartridge wall; the wall of the outer layer filtering barrel is formed by welding a stainless steel coaming and a stainless steel filtering net; the plurality of fiber bundles are fixed on the wall surface of the outer filter cylinder through pressing strips; the fiber bundles are modified fiber bundles; the centrifugal coalescence type oily sewage treatment device also comprises a hollow inverted conical water cap, wherein the small end of the water cap is communicated with the water outlet at the upper end of the filter element, and the large end of the water cap is communicated with the upper tank body.
The centrifugal coalescence type oily sewage treatment method also comprises a step B for separating suspended matters, wherein the step B comprises the following steps of: after the treatment in the step A of centrifugal separation, the sewage to be treated after the particulate matters are separated enters a middle tank body; step B2: the filter element assembly rotates to drive sewage in the middle tank body to rotate, and further particles in the sewage are thrown to the edge of the inner wall of the middle tank body, and the particles fall into the particle containing part through the lower tank body; step B3: the filter element assembly rotates to drive sewage in the middle tank body to rotate, suspended matters and oil particles are gathered at the upper edge of the outer layer filter material, and the gathered suspended matters and oil particles are discharged outwards through the second discharge channel.
The step B also comprises the following steps of: the sewage in the middle tank body passes through the outer filter cylinder, enters the middle filter material layer between the outer filter cylinder and the inner filter cylinder, carries out oil-water separation through the graphene modified coalescing material of the middle filter material layer, and most of oil particles are coalesced on the outer wall of the outer filter cylinder, and the water after oil-water separation passes through the middle filter material layer and enters the inner filter cylinder; step B5: the sewage in the inner layer filter cartridge passes through a water outlet at the upper end of the filter element on the filter box pressing cover and enters the water cap, so that the sewage enters the upper tank body; the oil floats on the top of the upper tank body and is discharged outwards from the first discharge channel; the water remains in the lower part of the upper tank body and is discharged outwards from the water outlet channel.
Compared with the prior art, the application has one of the beneficial effects that: the centrifugal coalescence type oily sewage treatment device designed by the application can separate particles and suspended matters in oily sewage respectively and separate oil and water; the particle, suspended matters and oil-water separation can be carried out at the same time; one device can separate the oily sewage containing various different types of impurities at the same time, and is an efficient oily sewage treatment device. The centrifugal component is skillfully arranged in the lower tank body; the water inlet channel is arranged at the middle tank body, so that potential energy and gravity factors can be utilized to the greatest extent when the incoming sewage is subjected to centrifugal treatment, and the energy consumption of centrifugal separation is reduced.
Compared with the prior art, the application has the following two beneficial effects: when an external motor works to drive the rotary impeller to rotate, the cross flow guide sheet on the top surface of the rotary impeller rotates along with the rotary impeller, water entering the middle tank body and the lower tank body from the water inlet channel falls on the rotary impeller, impurity-containing sewage including ore pulp can be screwed into the lower tank body along the tangential direction at preset pressure and flow rate, and then the ore pulp rotates along the cylinder wall at a high speed to generate centrifugal force. Just coarser, heavier particulate matter, ore grain impurity is thrown to the lower tank body by centrifugal action and is close to the edge of inner wall, because the lower tank body is the cavity round platform of inversion, and the annular groove sets up on the lower tank body inner wall, coarser, heavier ore grain can fall down along the inner wall of the lower tank body under the action of gravity, falls in the annular groove on the lower tank body inner wall just namely in the particulate matter holding portion. The third discharge channel is communicated with the particulate matter accommodating part, so that coarser and heavier ore particle impurities can be discharged outwards through the third discharge channel, and solid-liquid separation of the sewage containing the particulate matter impurities is realized. The annular groove on the inner wall of the lower tank body skillfully utilizes the structure of the lower tank body, can well bear filtered particles, and the particles can be discharged from the third discharge channel by means of the sewage entering the middle tank body, so that the device is a real-time dynamic discharge process, and greatly reduces the blockage risk caused by the particles.
Compared with the prior art, the application has the following beneficial effects: according to the application, the filter element with the combination of the three filter materials of the inner filter tube, the middle filter material layer and the outer filter tube is adopted, and the three filter materials are utilized for multiple oil-water separation, so that the oil-water separation effect is good; when the three layers of filter materials are utilized for multiple oil-water separation, the filter element rotates to drive the fiber bundles of the outer layer of filter materials to rotate, and the centrifugal separation effect can be further generated, so that particles can be thrown to the edge of the middle tank body by the centrifugal force and enter the annular groove on the inner wall of the lower tank body under the action of gravity. Meanwhile, the filter element component is fixed with the upper fixed partition board, namely, the filter element component is arranged at the upper part of the middle tank body, when the filter element component rotates, the fiber bundles of the outer layer filter material can also enable suspended matter impurities and oil particles to float upwards and gather at the upper part of the middle tank body, and the suspended matter impurities and the oil particles can be discharged outwards through the second discharge channel; and realizing the separation of suspended matters and partial oil and water.
Compared with the prior art, the application has the following four beneficial effects: in the application, the small end of the inverted conical water cap is communicated with the upper water outlet port of the filter element assembly, and the large end of the water cap is communicated with the upper tank body, so that oil in the upper tank body can be gathered at the top of the upper tank body, and part of the oil can be discharged outwards through the first discharge channel. The water outlet channel is arranged on one side wall of the upper tank body close to the upper fixed partition plate, and can discharge the separated deoiling water outwards.
The application adopts an independent device to complete the separation process of four different types of substances, namely particulate matters, suspended matters, oil and water, and is a device and a method for separating the substances very efficiently. As the particle and suspended matters can be discharged in real time, the influence of the particle and suspended matters on the oil-water separation process is greatly reduced, and the operation efficiency of the oil-water separation device can be greatly improved.
Drawings
FIG. 1 is a schematic view of the internal structure of an embodiment of a centrifugal coalescing oil-containing sewage treatment device; the arrow in the figure shows the flow direction of the fluid in the device when oil-water separation is carried out;
FIG. 2 is a schematic diagram of the exterior structure of an embodiment of a centrifugal coalescing oil-containing sewage treatment device;
FIG. 3 is a schematic diagram of the internal structure of a second embodiment of a centrifugal coalescing oil-containing sewage treatment device;
FIG. 4 is a schematic top view of the exterior structure of a centrifugal coalescing oily wastewater treatment device;
FIG. 5 is a schematic top view of a centrifuge assembly 700;
FIG. 6 is a schematic cross-sectional view of the centrifuge assembly 700 along the longitudinal center;
FIG. 7 is a schematic longitudinal cross-sectional view of the lower tank 130;
FIG. 8 is a schematic top view of a cross section of a cartridge assembly 600;
FIG. 9 is a schematic longitudinal cross-sectional view of a cartridge assembly 600; the arrow in the figure shows the flow direction of the fluid in the device when oil-water separation is carried out;
fig. 10 is a schematic diagram showing the inner filter cartridge wall 611 flattened, reference numeral 615 is a stainless steel shroud, reference numeral 616 is a stainless steel screen, and reference numeral 6155 is an inner filter cartridge through hole in the inner filter cartridge wall 611.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, in an embodiment of a centrifugal coalescing oily sewage treatment device, the device comprises a tank body 100, a water inlet channel 200, a water outlet channel 300, a first discharge channel 510, a second discharge channel 520, a third discharge channel 530, a filter element assembly 600 and a centrifugal assembly 700; the can 100 includes an upper can 110, a middle can 120, and a lower can 130; the first discharge passage 510 is provided at the top of the upper tank 110; the upper tank 110 and the middle tank 120 are separated by an upper fixed baffle 150; one end of the filter element assembly 600 is fixedly connected with the upper fixed baffle plate 150, and the output end of the filter element assembly 600 passes through the upper fixed baffle plate 150, and the oily sewage flows through the filter element assembly 600 and then enters the upper tank body 110; the filter element assembly 600 is used for oil-water separation; the second discharge passage 520 is provided on one sidewall of the middle tank 120 adjacent to the upper fixed barrier 150; the middle tank 120 is communicated with the lower tank 130; the water inlet channel 200 is communicated with the middle tank 120, and introduces the oily sewage containing the particulate matters and the suspended matters into the middle tank 120 and the lower tank 130 from the outside; the centrifuge assembly 700 is disposed in the lower tank 130; the inner wall of the lower tank 130 is provided with a particulate matter accommodating part 135; the oily sewage containing particles and suspended matters entering the lower tank 130 is centrifugally treated by the centrifugal assembly 700, the centrifugally separated particles and impurities are collected in the particle containing part 135, the third discharge channel 530 is arranged on the outer wall of the lower tank 130, and the third discharge channel 530 is communicated with the particle containing part 135; the water outlet passage 300 is provided on one sidewall of the upper tank 110 adjacent to the upper fixing spacer 150. The small end of the hollow inverted conical water cap 800 communicates with the upper outlet port of the cartridge assembly 600, and the large end of the water cap 800 communicates with the upper tank 110.
Reference numeral 350 in fig. 1 is a reserved viewing port, or may not be provided; reference numeral 900 in fig. 1 to 3 is a motor disposed at the outside, and reference numeral 910 is a transmission shaft connected to the motor; the drive shaft 910 extends through the bottom of the lower canister 130 into the lower canister 130, and the centrifuge assembly 700 and cartridge assembly 600 are coupled to the drive shaft 910 to obtain rotational kinetic energy. Reference numeral 850 in fig. 3 is a reserved man-made hole location. Reference numeral 540 in fig. 1 to 3 is an evacuation port 540 provided in the lower tank 130, the evacuation port 540 being capable of evacuating all of the sewage in the middle tank 120 and the lower tank 130, and the evacuation port 540 being closed during normal filtration; the drain 540 is opened only during flushing or maintenance.
The separation of various substances in oily sewage containing particulate matter and suspended matter usually requires a separate step, and the separation of a single mixture, such as filtering out solid substances, filtering out suspended matter, and then oil-water separation, requires a separate filter device. The centrifugal coalescence type oily sewage treatment device designed by the application not only can separate the particles and suspended matters in sewage respectively, but also can separate oil and water, and can separate the particles, suspended matters and oil and water simultaneously; one device can separate the oily sewage containing various different types of impurities at the same time, and is an efficient oily sewage treatment device.
As shown in fig. 1 to 7, in an embodiment of a centrifugal coalescing oily wastewater treatment device, a centrifugal assembly 700 includes a rotating pulsator 710 and a deflector assembly 720; the rotary impeller 710 is arranged at a position of the lower tank 130 near the bottom and is connected with a rotating shaft of a motor arranged outside the tank 100; a connecting hole 715 is arranged in the middle of the rotary impeller 710; one end of a rotating shaft of the external motor penetrates through the lower tank 130 to enter the lower tank 130 and is connected with the connecting hole 715, the rotating shaft of the external motor rotates to drive the rotating impeller 710 to rotate, and the annular groove is arranged on the inner wall of the lower tank 130 and is higher than the centrifugal assembly 700 on the lower tank 130. The flow guiding component 720 is arranged at the top of the rotary impeller 710; the flow guiding component 720 comprises a plurality of flow guiding sheets 725, and the plurality of flow guiding sheets 725 are uniformly distributed on the top surface of the rotary impeller 710; the lower tank 130 is an inverted hollow circular truncated cone, and the particulate matter accommodation portion 135 is an annular groove provided on the inner wall of the lower tank 130. 4 guide vanes 725 are arranged and uniformly distributed on the top surface of the rotary impeller 710 in a crisscross manner; the number of the guide vanes 725 can be 6, and the guide vanes 725 are uniformly distributed in a mode that the included angle between two adjacent guide vanes 725 is 60 degrees; the number of the guide vanes 725 may be 3, and the guide vanes 725 are uniformly distributed in a manner that the included angle between two adjacent guide vanes 725 is 120 degrees.
When the external motor is operated to drive the rotary pulsator 710 to rotate, the cross guide vane on the top surface of the rotary pulsator 710 follows the rotary pulsator 710 to rotate, and water entering the middle tank 120 and the lower tank 130 from the water inlet channel 200 falls on the rotary pulsator 710, so that impurity-containing sewage including pulp is screwed into the lower tank 130 in a tangential direction at a preset pressure and flow rate, and then the pulp rotates along the drum wall at a fast speed to generate centrifugal force. Just coarser and heavier ore grain impurities are thrown to the edge of the lower tank body 130 close to the inner wall by centrifugal action, as the lower tank body 130 is an inverted hollow round table, and the annular groove is arranged on the inner wall of the lower tank body 130, coarser and heavier ore grain can fall down along the inner wall of the lower tank body 130 under the action of gravity, and just falls into the annular groove on the inner wall of the lower tank body 130, namely the particulate matter accommodating part 135. The third discharge channel 530 is communicated with the particulate matter accommodating part 135, so that coarse and heavy ore particle impurities can be discharged outwards through the third discharge channel 530, and solid-liquid separation of impurity-containing sewage is realized.
As shown in fig. 8 to 10, in the embodiment of the centrifugal coalescing oily sewage treatment device, the filter cartridge assembly 600 includes a cylindrical inner filter cartridge 610, a cylindrical outer filter cartridge 630, an intermediate filter layer 620, and a cartridge press cover 640; the middle filter layer 620 is disposed between the inner filter cartridge 610 and the outer filter cartridge 630; the middle filter layer 620 is filled with graphene modified coalescing material; the inner filter cartridge 610 is hollow, the inner filter cartridge 610 comprising an inner cartridge wall 611 and an inner cartridge floor 612; outer cartridge 630 includes outer cartridge wall 631 and outer cartridge floor 632; the inner filter cylinder 610 and the outer filter cylinder 630 are coaxially sleeved, and the diameter of the inner filter cylinder 610 is smaller than that of the outer filter cylinder 630; the filter cartridge pressing cap 640 is press-fitted on the inner filter cartridge 610 and the outer filter cartridge 630 coaxially and rotatably installed, and serves as upper top surfaces of the inner filter cartridge 610 and the outer filter cartridge 630; the filter cartridge pressing cover 640, the inner filter cartridge wall 611, the inner filter cartridge bottom plate 612, the outer filter cartridge wall 631 and the outer filter cartridge bottom plate 632 are all fixedly connected by a perforated plate and a filter screen; the center of the filter cartridge pressing cover 640 extends upwards to form a filter element upper end water outlet 645; the cartridge pressure cap 640 is fixedly connected with the upper fixed partition 150, and the cartridge upper end water outlet 645 extends upward and is higher than the upper surface of the upper fixed partition 150. Outer cartridge 630 further includes a plurality of fiber bundles 635 fixedly connected to outer cartridge wall 631; the outer layer filter cylinder wall 631 is formed by welding a stainless steel coaming and a stainless steel filter screen; a plurality of fiber bundles 635 are fixed on the surface of the outer filter cartridge wall 631 by pressing strips; fiber bundles 635 are modified fiber bundles; the centrifugal coalescing oily sewage treatment device further comprises a hollow inverted conical water cap 800, wherein the small end of the water cap 800 is communicated with the water outlet 645 at the upper end of the filter element, and the large end of the water cap 800 is communicated with the upper tank body 110. The cartridge assembly 600 is driven to rotate by external power, and the connection relationship between the cartridge assembly 600 and the rotating shaft of the external motor is not shown in the drawings. The filter element assembly 600 and the centrifuge assembly 700 may share a rotation shaft of an external motor, and of course, the filter element assembly 600 and the centrifuge assembly 700 may be provided with corresponding external motors and rotation shafts, respectively.
The inner filter cylinder wall 611, the inner filter cylinder bottom plate 612 and the outer filter cylinder wall 631 are formed by welding a stainless steel coaming and a stainless steel filter screen, and water can penetrate through the inner filter cylinder wall 611, the inner filter cylinder bottom plate 612 and the outer filter cylinder wall 631. The cartridge press cover 640 and the outer cartridge base plate 632 are made of a waterproof sealing plate material; the modified fiber bundles are fixed on the surface of the outer cylinder by using a pressing strip to form a complete filter cylinder; the modified fiber bundles are mainly used for intercepting and separating suspended matters.
Inner layer filter cartridge 610 outer layer filter cartridge 630 an embodiment of a centrifugal coalescing oily wastewater treatment process for outer layer filter cartridge 630 of inner layer filter cartridge 610 is based on the centrifugal coalescing oily wastewater treatment device described above, and comprises a centrifugal separation step a, wherein the step a comprises the following steps, step A1: introducing sewage to be treated from the water inlet passage 200 into the middle tank 120 and the lower tank 130; step A2: the centrifugal assembly 700 rotates to throw the particles in the sewage in the lower tank 130 to the edge of the inner wall of the lower tank 130; step A3: particulate matter falls into the particulate matter accommodation portion 135 and is discharged outward through the third discharge passage 530 communicating with the particulate matter accommodation portion 135.
In the embodiment of the centrifugal coalescing oily sewage treatment method, the method further comprises a step B for separating suspended matters, wherein the step B comprises the following steps of step B1: after the treatment of the step A of centrifugal separation, namely, the sewage to be treated after the particulate matters are separated enters a middle tank 120; step B2: the filter element assembly 600 rotates to drive the sewage in the middle tank 120 to rotate, and further throw the particles therein to the edge of the inner wall of the middle tank 120, so that the particles fall into the particle containing part 135 through the lower tank 130; step B3: the rotation of the filter cartridge assembly 600 rotates the sewage in the middle tank 120, and the suspended matters and the oil particles are collected at the upper edge of the outer filter cartridge 630, and the collected suspended matters and oil particles are discharged outwards through the second discharge passage 520.
In an embodiment of the centrifugal coalescing oily sewage treatment method, the step B further comprises the following steps of: the sewage in the middle tank 120 passes through the outer filter cartridge 630, enters the middle filter material layer 620 between the outer filter cartridge 630 and the inner filter cartridge 610, is subjected to oil-water separation by the graphene modified coalescence material of the middle filter material layer 620, most of oil particles are coalesced on the outer wall of the outer filter cartridge 630, and the water after oil-water separation passes through the middle filter material layer 620 and enters the inner filter cartridge 610; step B5: the sewage in the inner filter cartridge 610 passes through the upper water outlet 645 of the filter element on the filter cartridge gland 640 to enter the water cap 800, thus entering the upper tank 110; the oil floats on top of the upper tank 110 and is discharged outward from the first discharge passage 510; the water remains in the lower portion of the upper tank 110 and is discharged outward from the water outlet passage 300. The inner filter cartridge 610, the middle filter layer 620 and the outer filter cartridge 630 are made of oil-water separated filter materials, and most of the oil is filtered out and remains in the middle tank 120 after the oily sewage passes through the outer filter cartridge 630, the middle filter layer 620 and the inner filter cartridge 610 and is subjected to triple filtration.
The foregoing description is only exemplary embodiments of the present application, and is not intended to limit the scope of the present application, and all equivalent structures or equivalent processes using the contents of the present specification and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present application.
Claims (7)
1. A centrifugal coalescing oily sewage treatment device is characterized by comprising,
the filter comprises a tank body (100), a water inlet channel (200), a water outlet channel (300), a first discharge channel (510), a second discharge channel (520), a third discharge channel (530), a filter element assembly (600) and a centrifugal assembly (700);
the tank body (100) comprises an upper tank body (110), a middle tank body (120) and a lower tank body (130);
the first discharge channel (510) is arranged at the top of the upper tank body (110);
the upper tank body (110) and the middle tank body (120) are separated by an upper fixed baffle plate (150); one end of the filter element assembly (600) is fixedly connected with the upper fixed baffle plate (150), and the output end of the filter element assembly (600) passes through the upper fixed baffle plate (150), and oily sewage flows through the filter element assembly (600) and then enters the upper tank body (110); the second discharge passage (520) is provided on one side wall of the middle tank body (120) near the upper fixed partition plate (150);
the middle tank body (120) is communicated with the lower tank body (130); the water inlet channel (200) is communicated with the middle tank body (120) and is used for introducing oily sewage containing particles and suspended matters into the middle tank body (120) and the lower tank body (130) from the outside;
a centrifuge assembly (700) is disposed in the lower tank (130); the inner wall of the lower tank body (130) is provided with a particulate matter accommodating part (135); the oily sewage containing particles and suspended matters entering the lower tank body (130) is subjected to centrifugal treatment by a centrifugal component (700), the centrifugally separated particles are collected in a particle containing part (135), a third discharge channel (530) is arranged on the outer wall of the lower tank body (130), and the third discharge channel (530) is communicated with the particle containing part (135); the water outlet channel (300) is arranged on one side wall of the upper tank body (110) close to the upper fixed partition plate (150);
the filter element assembly (600) comprises a cylindrical inner filter cylinder (610), a cylindrical outer filter cylinder (630), an intermediate filter material layer (620), and a filter cartridge press cover (640); the middle filter material layer (620) is arranged between the inner filter cylinder (610) and the outer filter cylinder (630); the middle filter material layer (620) is filled by graphene modified coalescence materials; the inner filter cartridge (610) is hollow, and the inner filter cartridge (610) comprises an inner filter cartridge wall (611) and an inner filter cartridge bottom plate (612); the outer filter cartridge (630) comprises an outer cartridge wall (631) and an outer cartridge floor (632);
the inner filter cylinder (610) and the outer filter cylinder (630) are coaxially sleeved, and the diameter of the inner filter cylinder (610) is smaller than that of the outer filter cylinder (630); the filter box pressing cover (640) is pressed on the inner filter cylinder (610) and the outer filter cylinder (630) which are coaxially sleeved and arranged and is used as the upper top surfaces of the inner filter cylinder (610) and the outer filter cylinder (630); the inner layer filter cylinder wall (611), the inner layer filter cylinder bottom plate (612) and the outer layer filter cylinder wall (631) are fixedly connected by a perforated plate and a filter screen; the filter cartridge press cover (640) and the outer filter cartridge base plate (632) are made of sealing plates;
the center of the filter box pressing cover (640) extends upwards to form a water outlet (645) at the upper end of the filter element;
the filter box pressing cover (640) is fixedly connected with the upper fixed partition plate (150), and a water outlet (645) at the upper end of the filter element extends upwards and is higher than the upper surface of the upper fixed partition plate (150);
the filter element assembly (600) can be driven to rotate by external power;
the outer cartridge (630) further includes a plurality of fiber bundles (635) fixedly connected to the outer cartridge wall (631);
the outer layer filter cylinder wall (631) is formed by welding a stainless steel coaming and a stainless steel filter screen; a plurality of fiber bundles (635) are fixed on the surface of the outer filter cylinder wall (631) through pressing strips; the fiber bundle (635) is a modified fiber bundle;
the centrifugal coalescence type oily sewage treatment device further comprises a hollow inverted conical water cap (800), a small head end of the water cap (800) is communicated with a water outlet (645) at the upper end of the filter element, and a large head end of the water cap (800) is communicated with the upper tank body (110).
2. The centrifugal coalescing oily sewage treatment device according to claim 1, wherein,
the centrifugal component (700) comprises a rotary impeller (710) and a diversion component (720); the rotary impeller (710) is arranged at a position of the lower tank body (130) close to the bottom and is connected with a rotating shaft of an external motor arranged on the tank body (100); the flow guiding component (720) is arranged at the top of the rotary impeller (710); the flow guiding component (720) comprises a plurality of flow guiding sheets (725), and the plurality of flow guiding sheets (725) are uniformly distributed and arranged on the top surface of the rotary impeller (710); the lower tank body (130) is an inverted hollow round table, and the particulate matter accommodating part (135) is an annular groove arranged on the inner wall of the lower tank body (130).
3. The centrifugal coalescing oily sewage treatment device according to claim 2, wherein,
a connecting hole (715) is arranged in the middle of the rotary impeller (710); one end of a rotating shaft of an external motor penetrates through the lower tank body (130) and enters the lower tank body (130) to be connected with the connecting hole (715), and the rotating shaft of the external motor rotates to drive the rotary impeller (710) to rotate;
the annular groove is arranged on the inner wall of the lower tank body (130) at a position higher than the position of the centrifugal assembly (700) on the lower tank body (130).
4. A centrifugal coalescent oily sewage treatment method is characterized in that,
the centrifugal coalescence type oily sewage treatment device according to claim 1 comprises a centrifugal separation step A, wherein the step A comprises the following steps,
step A1: introducing sewage to be treated into the middle tank (120) and the lower tank (130) from the water inlet channel (200);
step A2: the centrifugal component (700) rotates to make the particles in the sewage in the lower tank body (130) be thrown to the edge of the inner wall of the lower tank body (130);
step A3: the particulate matter falls into the particulate matter accommodating portion (135), and the particulate matter is discharged outward via a third discharge passage (530) communicating with the particulate matter accommodating portion (135).
5. The centrifugal coalescing oil-containing sewage treatment method according to claim 4, wherein,
in the centrifugal coalescence type oily sewage treatment device,
the centrifugal component (700) comprises a rotary impeller (710) and a diversion component (720);
the rotary impeller (710) is arranged at a position of the lower tank body (130) close to the bottom and is connected with a rotating shaft of an external motor arranged on the tank body (100); the flow guiding component (720) is arranged at the top of the rotary impeller (710);
the flow guiding component (720) comprises a plurality of flow guiding sheets (725), and the plurality of flow guiding sheets (725) are uniformly distributed and arranged on the top surface of the rotary impeller (710);
the lower tank body (130) is an inverted hollow round table, and the particulate matter accommodating part (135) is an annular groove arranged on the inner wall of the lower tank body (130).
6. The centrifugal coalescing oil-containing sewage treatment method according to claim 5, wherein,
also comprises a step B of separating suspended matters, wherein the step B comprises the following steps,
step B1: after being treated in the step A of centrifugal separation, the sewage to be treated, from which the particulate matters are separated, enters a middle tank body (120);
step B2: the filter element assembly (600) rotates to drive sewage in the middle tank body (120) to rotate, and further particles in the sewage are thrown to the edge of the inner wall of the middle tank body (120), and the particles fall into the particle containing part (135) through the lower tank body (130);
step B3: the filter element assembly (600) rotates to drive the sewage in the middle tank body (120) to rotate, suspended matters and oil particles are accumulated on the upper edge of the outer filter cylinder (630), and the accumulated suspended matters and oil particles are discharged outwards through the second discharge channel (520).
7. The centrifugal coalescing oil-containing sewage treatment method according to claim 6, wherein,
the step B further comprises the step of,
step B4: the sewage in the middle tank body (120) passes through the outer filter cylinder (630), enters the middle filter material layer (620) between the outer filter cylinder (630) and the inner filter cylinder (610), is subjected to oil-water separation by the graphene modified coalescence material of the middle filter material layer (620), most of oil particles are coalesced on the outer wall of the outer filter cylinder (630), and the water after oil-water separation passes through the middle filter material layer (620) and enters the inner filter cylinder (610);
step B5: sewage in the inner filter cartridge (610) passes through a water outlet (645) at the upper end of the filter element on the filter cartridge gland (640) and enters the water cap (800) so as to enter the upper tank body (110); the oil floats on top of the upper tank (110) and is discharged outwards from the first discharge passage (510); the water remains in the lower portion of the upper tank (110) and is discharged from the water outlet passage (300) to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210646250.7A CN114920376B (en) | 2022-06-09 | 2022-06-09 | Centrifugal coalescence type oily sewage treatment device and treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210646250.7A CN114920376B (en) | 2022-06-09 | 2022-06-09 | Centrifugal coalescence type oily sewage treatment device and treatment method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114920376A CN114920376A (en) | 2022-08-19 |
| CN114920376B true CN114920376B (en) | 2023-09-29 |
Family
ID=82812351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210646250.7A Active CN114920376B (en) | 2022-06-09 | 2022-06-09 | Centrifugal coalescence type oily sewage treatment device and treatment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114920376B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101113036A (en) * | 2007-07-10 | 2008-01-30 | 余福华 | Kitchen residual sewage oil separator |
| CN202569782U (en) * | 2012-03-09 | 2012-12-05 | 王长宝 | Centrifugal three-phase separator |
| CN205627211U (en) * | 2016-05-20 | 2016-10-12 | 山东一博环保机械有限公司 | Automatic whirl coalescence water oil separating collection device |
| CN107399789A (en) * | 2017-06-16 | 2017-11-28 | 安徽星元环保科技有限公司 | A kind of environment protection kitchen sewage separating device |
| CN108654180A (en) * | 2017-11-10 | 2018-10-16 | 深圳市兰科环境技术有限公司 | Sewage rotating filter method and filter for sewage disposal |
| CN208843831U (en) * | 2018-08-28 | 2019-05-10 | 湖北君集水处理有限公司 | A kind of central tube cyclonic separation settler |
| CN113730986A (en) * | 2021-09-27 | 2021-12-03 | 深圳市兰科环境技术有限公司 | Oily sewage treatment device with suspended matters and flushing method and treatment method thereof |
| CN114515488A (en) * | 2022-02-22 | 2022-05-20 | 国家管网集团川气东送天然气管道有限公司 | Coalescence filter |
-
2022
- 2022-06-09 CN CN202210646250.7A patent/CN114920376B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101113036A (en) * | 2007-07-10 | 2008-01-30 | 余福华 | Kitchen residual sewage oil separator |
| CN202569782U (en) * | 2012-03-09 | 2012-12-05 | 王长宝 | Centrifugal three-phase separator |
| CN205627211U (en) * | 2016-05-20 | 2016-10-12 | 山东一博环保机械有限公司 | Automatic whirl coalescence water oil separating collection device |
| CN107399789A (en) * | 2017-06-16 | 2017-11-28 | 安徽星元环保科技有限公司 | A kind of environment protection kitchen sewage separating device |
| CN108654180A (en) * | 2017-11-10 | 2018-10-16 | 深圳市兰科环境技术有限公司 | Sewage rotating filter method and filter for sewage disposal |
| CN208843831U (en) * | 2018-08-28 | 2019-05-10 | 湖北君集水处理有限公司 | A kind of central tube cyclonic separation settler |
| CN113730986A (en) * | 2021-09-27 | 2021-12-03 | 深圳市兰科环境技术有限公司 | Oily sewage treatment device with suspended matters and flushing method and treatment method thereof |
| CN114515488A (en) * | 2022-02-22 | 2022-05-20 | 国家管网集团川气东送天然气管道有限公司 | Coalescence filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114920376A (en) | 2022-08-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6083147A (en) | Apparatus and method for discontinuous separation of solid particles from a liquid | |
| CN109289318A (en) | Water quality silt multistage filtering separator | |
| CN208448703U (en) | A kind of water-oil separation device | |
| CN205627211U (en) | Automatic whirl coalescence water oil separating collection device | |
| EP2629878B1 (en) | Apparatus for centrifugal separation of solid and/or liquid particles from a flow of gas | |
| KR200401764Y1 (en) | Duplicate Centrifugal type filter | |
| CN106669991A (en) | Efficient self-cleaning composite cyclone separator | |
| CN114920376B (en) | Centrifugal coalescence type oily sewage treatment device and treatment method | |
| CN108585116A (en) | A kind of environment-friendly type fiberglass oil separator | |
| US3817446A (en) | Pitot pump with centrifugal separator | |
| CN203095739U (en) | Oilfield sewage filtering device | |
| CN112554261A (en) | River course device of decontaminating | |
| US4350282A (en) | Self-purging centrifuge | |
| CN108654180B (en) | Sewage rotary filtering method and filter for sewage treatment | |
| CN216377696U (en) | Water pollution administers and uses filter equipment | |
| CN206229061U (en) | A kind of sewage-treatment plant of eddy flow and filtering integral structure | |
| CN211521821U (en) | Waste liquid separation device | |
| US5316685A (en) | Method and apparatus for separating solids from liquid containing same | |
| CN209618946U (en) | A kind of rotating disc type percolate sewage accelerating separtor | |
| CN103111104A (en) | Oilfield wastewater filtering device | |
| CN105130134A (en) | Water filtration sand remover | |
| US3669269A (en) | Industrial plant for recovering solids from liquids | |
| CN210874361U (en) | Double-spraying type central rotor quenching oil filter | |
| CN213265830U (en) | Cyclone desander | |
| CN218394145U (en) | Horizontal centrifugal equipment convenient to business turn over material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |