CN110577298A - Vertical oil, water, solid three-phase separation composite set - Google Patents
Vertical oil, water, solid three-phase separation composite set Download PDFInfo
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- CN110577298A CN110577298A CN201910969260.2A CN201910969260A CN110577298A CN 110577298 A CN110577298 A CN 110577298A CN 201910969260 A CN201910969260 A CN 201910969260A CN 110577298 A CN110577298 A CN 110577298A
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- 239000003921 oil Substances 0.000 title claims abstract description 198
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 123
- 239000007787 solid Substances 0.000 title claims abstract description 69
- 238000005191 phase separation Methods 0.000 title claims abstract description 17
- 239000002131 composite material Substances 0.000 title description 7
- 238000000926 separation method Methods 0.000 claims abstract description 75
- 238000007667 floating Methods 0.000 claims abstract description 55
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 40
- 238000007599 discharging Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 31
- 238000003860 storage Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 229920001600 hydrophobic polymer Polymers 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 230000002209 hydrophobic effect Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- 239000010865 sewage Substances 0.000 abstract description 38
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 9
- 230000004048 modification Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 abstract description 3
- 239000004519 grease Substances 0.000 description 8
- 230000006872 improvement Effects 0.000 description 6
- 239000010802 sludge Substances 0.000 description 6
- 239000000295 fuel oil Substances 0.000 description 5
- 230000009466 transformation Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 208000005156 Dehydration Diseases 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Removal Of Floating Material (AREA)
- Cyclones (AREA)
Abstract
the invention relates to a vertical oil, water and solid three-phase separation combined device, which comprises a combined device tank body, wherein an oil, water, a solid hydraulic cyclone separation element, a coarse-grained polymerization element, a corrugated plate polymerization element and an automatic floating oil collection and discharge element are sequentially arranged in the tank body from top to bottom in the height direction; the oil, water and solid hydraulic cyclone separation element and the corrugated plate polymerization element are respectively communicated with an automatic floating oil collecting and discharging element extending into the tank body of the combined device and an external oil discharging pipeline; the technical scheme can improve the oil-water separation precision and simultaneously can meet the modification treatment requirements of sewage treatment processes under different arrangement land occupation requirements and different field working conditions.
Description
Technical Field
The invention relates to a separation device, in particular to a vertical oil, water and solid three-phase separation combination device, and belongs to the technical field of petrochemical equipment.
Background
In the production process of related industries such as domestic petrochemical industry and the like, the discharged sewage often contains a large amount of oily sewage; in order to separate oil from water in sewage, equipment such as a sewage tank and the like in a petrochemical production system needs to be modified, so that the oil-water separation function can be realized. In the existing equipment transformation technology, a combination device is required to be additionally arranged in a tank body to form a tank-in-tank structure; however, to accomplish the above-described retrofit, it is necessary to shut down and clean the existing equipment, resulting in considerable loss to the business during the retrofit process. In addition, the original sewage collection and regulation tank must have certain construction conditions to be transformed, and the sewage tanks in some years do not have the construction conditions, so that the actual use requirement of treating the oily sewage cannot be realized by transformation.
In the existing horizontal oil-water separation equipment, because the working medium flows in a full liquid level plug flow manner in the equipment, oil and water flow in a staggered direction, the floating of separated heavy oil and emulsified oil is interfered by the sedimentation of upper water, and the sedimentation and floating separation of the heavy oil and the emulsified oil from water are not facilitated. And the storage space of the separated oil phase is small, which is not beneficial to the dehydration of the separated heavy oil product and emulsified oil, the water content of the discharged oil is higher, generally 10% -15%, and secondary dehydration is needed.
The hydraulic pressure of the oil-water separation equipment with a horizontal structure is low, heavy oil and emulsified oil are easy to sink to the bottom of the tank, if a separation element causes blockage, two pieces of equipment are required to alternately operate to discharge oil and mud, the oil-water separation equipment cannot continuously operate for a long period, the operation is complex, and the actual treatment and use requirements are difficult to meet. Therefore, a new solution to this technical problem is urgently needed.
Disclosure of Invention
The invention provides a vertical oil-water-solid three-phase separation combination device aiming at the problems in the prior art, and the technical scheme can meet the requirements of modification treatment on sewage treatment processes under different arrangement land occupation requirements and different field working conditions while improving the oil-water separation precision.
In order to achieve the purpose, the technical scheme of the invention is that the vertical oil, water and solid three-phase separation combination device comprises a combination device tank body, wherein an oil, water, a solid hydraulic cyclone separation element, a coarse-grained polymerization element, a corrugated plate polymerization element and an automatic floating oil collection and oil discharge element are sequentially arranged in the tank body from top to bottom in the height direction, a water inlet pipeline and a water outlet pipeline are arranged outside the combination device tank body, and the water inlet pipeline extends to the insides of the oil, water and solid hydraulic cyclone separation elements; the oil, water and solid hydraulic cyclone separation element and the corrugated plate polymerization element are respectively communicated with an automatic floating oil collecting and discharging element extending into the tank body of the combined device and an external oil discharging pipeline.
As an improvement of the present invention, the oil, water, and solid hydraulic cyclone separation element inside the oil, water, and solid separation combination device adopts a double-cone structure, is made of stainless steel, and is divided into a top oil spilling pipe joint, a liquid inlet pipe joint, a cyclone cavity straight pipe section, a cyclone cavity upper cone pipe section, a cyclone cavity lower cone pipe section, and a bottom heavy phase liquid and solid impurity outlet pipe joint from top to bottom. When entering the double-cone structure cyclone tube with specific taper, the liquid inlet medium is slowly accelerated without generating turbulent flow, and the centrifugal separation is carried out in a state close to laminar flow, so that the separation effect is better. Adopt above-mentioned design, its accessible oil, water, the inside grease and the solid impurity of solid separation composite set effective separation sewage to accomplish the preliminary treatment to sewage, in order effectively to improve the treatment accuracy to oily sewage.
As an improvement of the invention, an oil storage chamber is arranged at the upper end part in the tank body of the combined device, and an overflow port of the oil, water and solid-water power hydrocyclone separation element extends into the oil storage chamber; the oil storage chamber is internally provided with an automatic floating oil collecting device which comprises an automatic floating oil collecting chamber 8 and an oil discharging pipeline extending from the bottom end surface of the automatic floating oil collecting chamber to the outside of the tank body of the combined device; the automatic floating oil collecting chamber is of a conical structure, the area of the upper end face of the automatic floating oil collecting chamber is larger than that of the lower end face of the automatic floating oil collecting chamber, and an oil level density difference control controller extending towards the automatic floating oil collecting chamber is arranged in the oil storage chamber so as to realize automatic oil discharging by utilizing oil, water density difference and liquid level. By adopting the design, the grease output from the overflow port of the oil, water and solid-liquid hydrocyclone separation element into the oil storage chamber can be effectively collected and settled by the automatic floating oil collecting device, so that the problem that the floating area is too large and the collection is difficult to process is avoided; simultaneously, the density difference oil level controller can detect the floating oil liquid level in the floating oil automatic collection chamber in real time, thereby enabling the floating oil to be effectively controlled to be discharged, and further improving the continuous working efficiency and the oil discharge water content of the device.
As an improvement of the invention, in the tank body of the combined device, a baffle plate is arranged between the oil, water and solid-water power hydrocyclone separation element and the corrugated plate polymerization element, and an oil discharge pipeline extending to the outside of the tank body of the combined device is arranged at the corresponding position of the baffle plate. By adopting the design, the water flow output from the oil, water and solid hydraulic cyclone separation element can be guided, uniformly distributed and buffered by the baffle plate, so that the impact load on a subsequent device is avoided. Meanwhile, the oil stain in the water flow can be removed through the shallow pool mechanism filtering function, so that the oil-water separation effect can be further improved and perfected.
As an improvement of the invention, in the tank body of the combined device, the coarse grained polymerization element is compounded by oleophylic and hydrophobic materials, when oil-containing sewage passes through the coarse grained polymerization element, fine oil droplets in the sewage are converged into large oil droplets, and the buoyancy is increased and floated, so that the oil-water separation effect is further improved.
As an improvement of the invention, the corrugated plate polymeric element in the oil, water and solid separation combination device is formed by laminating and assembling a plurality of corrugated plates which are formed by pressing stainless steel strips on the surfaces of which oleophylic and hydrophobic polymer film materials are coated and according to certain specification requirements, and the wave forms of the corrugated plates adopt W shapes; among the buckled plate polymeric element, the array orientation of a plurality of wave forms is length direction, and each wave form extending direction is width direction, by each other between the length direction of buckled plate polymeric element and the common plane of confirming of width direction and the horizontal plane acutangular angle, and the contained angle between two adjacent wave surfaces in its contained angle and arbitrary wave form in the buckled plate is the same. Adopt above-mentioned design, its accessible buckled plate polymeric element place the angle and mutually support of its wave form for the rivers that have tiny oil globule secretly are at the motion in-process among the buckled plate polymeric element, and the movement track of oil globule can prolong, and can increase the collision probability between a plurality of oil globules, thereby improve buckled plate polymeric element's water oil separating precision.
As an improvement of the invention, a pressure type liquid level controller and a plurality of cleaning pipelines are arranged at the bottom position inside the tank body of the combined device; the water outlet pipeline is arranged on the bottom end surface or the top end surface of the combined device tank body (can meet the use requirement of height working conditions in any water outlet direction), and can also extend from the bottom end surface to the upper end surface. By adopting the design, because the sewage contains self-suspension and solid impurities, the inside of the tank body of the combined device is provided with a sludge tank which can inevitably separate out a part of suspended matters and solid particles to be precipitated in the long-term working process, so that the sludge is accumulated at the bottom of the tank body of the combined device; the structure can discharge and clean sludge regularly through the high liquid level controller and the cleaning pipeline, so that the service life and the operation efficiency of the equipment are improved; meanwhile, the water outlet pipeline adopts a structure that the bottom end surface of the tank body of the combined device extends to the upper end surface of the tank body, so that the purified water can be output by the water outlet pipeline under the action of the working water pressure in the tank body.
The coarse-grained polymerization element in the oil-water-solid separation combination device is manufactured by manufacturing stainless steel wire meshes with different specifications by using a special processing technology, and the surface of the stainless steel wire meshes is coated with an oleophylic and hydrophobic polymer film material. The collision probability of tiny oil droplets of more than 30 microns in the oily sewage is increased by utilizing a capillary flow guide channel which is gradually and tightly arranged between stainless steel wires of a polymerization element from outside to inside, so that the oil droplets are changed from small to big; meanwhile, oleophylic and hydrophobic polymer film materials are coated on the surface of the steel wire, so that the polymerization and separation of oil droplets are accelerated.
By adopting the design, the grease output from the overflow port of the oil, water and solid-water power hydrocyclone separation element to the oil storage chamber can be effectively collected and settled by the floating oil automatic collection and oil discharge element, so that the problem that the floating area is too large and the collection is difficult to process is avoided; simultaneously, the density difference oil level controller can detect the floating oil liquid level in the floating oil automatic collection chamber in real time, thereby enabling the floating oil to be effectively controlled to be discharged, and further improving the continuous working efficiency and the oil discharge water content of the device.
A water inlet pipeline and a water outlet pipeline are arranged outside the tank body of the combined device, wherein the water inlet pipeline extends to the inside of the oil, water and solid-liquid hydrocyclone separation element; the oil, water and solid hydraulic cyclone separation element and the corrugated plate polymerization element are respectively communicated with an automatic floating oil collecting and discharging device extending into the tank body of the combined device and an external oil discharging pipeline.
By adopting the oil, water and solid separation combined device adopting the technical scheme, the oil, water and solid hydraulic cyclone separation element, the coarse-grained polymerization element and the corrugated plate polymerization element are matched with each other to realize thorough and efficient polymerization separation and baffling filtration sedimentation separation of grease and solid dirt in the oily sewage, so that the treatment precision of the oily sewage is obviously improved; simultaneously, above-mentioned oil, water, solid separation composite set can directly collect the surge tank with current sewage and effectively link up the transformation completion, need not to shut down and clear jar to reduce the cost loss in the installation of enterprise, in addition, above-mentioned equipment is applicable to the surge tank is collected to the sewage of the overwhelming majority, thereby has good adaptability and suitability.
Compared with the prior art, the vertical oil, water and solid three-phase separation combined device has the advantages that the oil, water and solid hydraulic cyclone separation element, the coarse-grained polymerization element and the corrugated plate polymerization element are matched with each other by adopting the technical scheme, so that the oil and solid dirt in the oily sewage are thoroughly and efficiently coalesced, separated and baffled, filtered and settled and separated, and the treatment precision of the oily sewage is obviously improved; simultaneously, above-mentioned oily, water of standing, solid three-phase separation composite set can directly collect the surge tank with current sewage and effectively link up the transformation completion, need not to shut down and clear jar to reduce the cost loss in the installation of enterprise, in addition, above-mentioned equipment is applicable to the surge tank is collected to the sewage of the overwhelming majority, thereby has good adaptability and suitability.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the structure of an oil, water, solid-liquid hydrocyclone separation element.
In the figure: 1-a combined device tank body, 2-an oil, water and solid water cyclone separation element, 21-a top oil overflow pipe joint, 22-a liquid inlet pipe joint, 23-a bottom heavy phase liquid and solid impurity outlet, 3-a corrugated plate polymerization element, 4-a water inlet pipeline, 5-a water outlet pipeline, 6-an oil discharge pipeline, 7-an oil storage chamber, 8-an automatic floating oil collection chamber, 9-a cleaning pipeline, 10-an oil level controller, 11-a baffle plate, 12-a pressure type liquid level controller, 13-a coarse grain polymerization element, 21-a top oil overflow pipe joint, 22-a liquid inlet pipe joint, 23-an outlet pipe joint, 24-a cyclone cavity straight pipe section, 25-a cyclone cavity upper cone section and 25-a cyclone cavity lower cone section.
The specific implementation mode is as follows:
For the purpose of enhancing an understanding of the present invention, the present embodiment will be described in detail below with reference to the accompanying drawings.
Example 1: referring to fig. 1, a vertical oil, water and solid three-phase separation combination device comprises a combination device tank body 1, wherein an oil, water and solid hydraulic cyclone separation element 2, a coarse-grained polymerization element 13, a corrugated plate polymerization element 3 and an automatic floating oil collection and discharge element are sequentially arranged in the tank body from top to bottom in the height direction, a water inlet pipeline and a water outlet pipeline are arranged outside the combination device tank body, and the water inlet pipeline extends into the oil, water and solid hydraulic cyclone separation element; the oil, water and solid hydraulic cyclone separation element and the corrugated plate polymerization element are respectively communicated with an oil discharge element extending into a tank body of the combined device for automatically collecting floating oil and an external oil discharge pipeline, the oil, water and solid hydraulic cyclone separation element inside the combined device for separating oil, water and solid is made of stainless steel materials in a double-cone structural form, and is divided into a top oil spilling pipe joint 21, a liquid inlet pipe joint 22, a cyclone cavity straight pipe section 24, a cyclone cavity upper cone pipe section 25, a cyclone cavity lower cone pipe section 26 and a bottom heavy phase liquid and solid impurity outlet pipe joint 23 from top to bottom according to the attached drawing 2. When entering the double-cone structure cyclone tube with specific taper, the liquid inlet medium is slowly accelerated without generating turbulent flow, and the centrifugal separation is carried out in a state close to laminar flow, so that the separation effect is better. Adopt above-mentioned design, its accessible oil, water, the inside grease and the solid impurity of solid separation composite set effective separation sewage to accomplish the preliminary treatment to sewage, in order effectively to improve the treatment accuracy to oily sewage. An oil storage chamber is arranged at the upper end part in the combined device tank body, and an overflow port of the oil, water and solid hydraulic cyclone separation element extends into the oil storage chamber; the oil storage chamber is internally provided with an automatic floating oil collecting device which comprises an automatic floating oil collecting chamber 8 and an oil discharging pipeline extending from the bottom end surface of the automatic floating oil collecting chamber to the outside of the tank body of the combined device; the automatic floating oil collecting chamber is of a conical structure, the area of the upper end face of the automatic floating oil collecting chamber is larger than that of the lower end face of the automatic floating oil collecting chamber, and an oil level density difference control controller extending towards the automatic floating oil collecting chamber is arranged in the oil storage chamber so as to realize automatic oil discharging by utilizing oil, water density difference and liquid level. By adopting the design, the grease output from the overflow port of the oil, water and solid-liquid hydrocyclone separation element into the oil storage chamber can be effectively collected and settled by the automatic floating oil collecting device, so that the problem that the floating area is too large and the collection is difficult to process is avoided; simultaneously, the density difference oil level controller can detect the floating oil liquid level in the floating oil automatic collection chamber in real time, thereby enabling the floating oil to be effectively controlled to be discharged, and further improving the continuous working efficiency and the oil discharge water content of the device. In the tank body of the combined device, a baffle plate 11 is arranged between the oil, water and solid hydraulic cyclone separation element 2 and the corrugated plate polymerization element 3, and an oil discharge pipeline extending to the outside of the tank body of the combined device is arranged at the corresponding position of the baffle plate 11. By adopting the design, the water flow output from the oil, water and solid hydraulic cyclone separation element can be guided, uniformly distributed and buffered by the baffle plate, so that the impact load on a subsequent device is avoided. Meanwhile, the oil stain in the water flow can be removed through the shallow pool mechanism filtering function, so that the oil-water separation effect can be further improved and perfected.
In the tank body of the combined device, the coarse grained polymerization element 13 is compounded by oleophilic and hydrophobic materials, when oily sewage passes through the coarse grained polymerization element, fine oil droplets in the sewage are converged into large oil droplets, buoyancy is increased and floating is performed, so that the oil-water separation effect is further improved. The treatment effect of oily sewage is good, the quality of effluent is stable, and the influence of suspended matter factors in the oily sewage is avoided; the coarse graining polymerization element does not need back flushing, and can adopt a steam blowing mode under the condition of no shutdown to remove blockage and remove the adhesion of heavy oil. The oil content of the inlet water of the oily sewage is not limited; the pressure drop is small during working, and is generally not more than 0.09 MPa; the operation cost is low.
The corrugated plate polymerization element in the oil, water and solid separation combination device is formed by laminating and assembling a plurality of corrugated plates which are pressed by stainless steel bands and coated with oleophylic and hydrophobic polymer film materials on the surfaces according to certain specification requirements. In the corrugated plate polymeric element, the waveform of the corrugated plate adopts a W shape; among the buckled plate polymeric element, the array orientation of a plurality of wave forms is length direction, and each wave form extending direction is width direction, by each other between the length direction of buckled plate polymeric element and the common plane of confirming of width direction and the horizontal plane acutangular angle, and the contained angle between two adjacent wave surfaces in its contained angle and arbitrary wave form in the buckled plate is the same. Adopt above-mentioned design, its accessible buckled plate polymeric element place the angle and mutually support of its wave form for the rivers that have tiny oil globule secretly are at the motion in-process among the buckled plate polymeric element, and the movement track of oil globule can prolong, and can increase the collision probability between a plurality of oil globules, thereby improve buckled plate polymeric element's water oil separating precision.
A pressure type liquid level controller 12 and a plurality of cleaning pipelines are arranged at the bottom of the interior of the tank body of the combined device; the water outlet pipeline is arranged on the bottom end surface or the top end surface of the combined device tank body (can meet the use requirement of height working conditions in any water outlet direction), and can also extend from the bottom end surface to the upper end surface. By adopting the design, because the sewage contains self-suspension and solid impurities, the inside of the tank body of the combined device is provided with a sludge tank which can inevitably separate out a part of suspended matters and solid particles to be precipitated in the long-term working process, so that the sludge is accumulated at the bottom of the tank body of the combined device; the structure can discharge and clean sludge regularly through the high liquid level controller and the cleaning pipeline, so that the service life and the operation efficiency of the equipment are improved; meanwhile, the water outlet pipeline adopts a structure that the bottom end surface of the tank body of the combined device extends to the upper end surface of the tank body, so that the purified water can be output by the water outlet pipeline under the action of the working water pressure in the tank body.
The coarse-grained polymerization element in the oil-water-solid separation combination device is manufactured by manufacturing stainless steel wire meshes with different specifications by using a special processing technology, and the surface of the stainless steel wire meshes is coated with an oleophylic and hydrophobic polymer film material. The collision probability of tiny oil droplets of more than 30 microns in the oily sewage is increased by utilizing a capillary flow guide channel which is gradually and tightly arranged between stainless steel wires of a polymerization element from outside to inside, so that the oil droplets are changed from small to big; meanwhile, oleophylic and hydrophobic polymer film materials are coated on the surface of the steel wire, so that the polymerization and separation of oil droplets are accelerated.
By adopting the design, the grease output from the overflow port of the oil, water and solid-water power hydrocyclone separation element to the oil storage chamber can be effectively collected and settled by the floating oil automatic collection and oil discharge element, so that the problem that the floating area is too large and the collection is difficult to process is avoided; simultaneously, the density difference oil level controller can detect the floating oil liquid level in the floating oil automatic collection chamber in real time, thereby enabling the floating oil to be effectively controlled to be discharged, and further improving the continuous working efficiency and the oil discharge water content of the device.
A water inlet pipeline and a water outlet pipeline are arranged outside the tank body of the combined device, wherein the water inlet pipeline extends to the inside of the oil, water and solid-liquid hydrocyclone separation element; the oil, water and solid hydraulic cyclone separation element and the corrugated plate polymerization element are respectively communicated with an automatic floating oil collecting and discharging device extending into the tank body of the combined device and an external oil discharging pipeline.
By adopting the oil, water and solid separation combined device adopting the technical scheme, the oil, water and solid hydraulic cyclone separation element, the coarse-grained polymerization element and the corrugated plate polymerization element are matched with each other to realize thorough and efficient polymerization separation and baffling filtration sedimentation separation of grease and solid dirt in the oily sewage, so that the treatment precision of the oily sewage is obviously improved; simultaneously, above-mentioned oil, water, solid separation composite set can directly collect the surge tank with current sewage and effectively link up the transformation completion, need not to shut down and clear jar to reduce the cost loss in the installation of enterprise, in addition, above-mentioned equipment is applicable to the surge tank is collected to the sewage of the overwhelming majority, thereby has good adaptability and suitability.
It should be noted that the above-mentioned embodiments are not intended to limit the scope of the present invention, and all equivalent modifications and substitutions based on the above-mentioned technical solutions are within the scope of the present invention as defined in the claims.
Claims (8)
1. A vertical oil, water and solid three-phase separation combination device is characterized by comprising a combination device tank body, wherein an oil, water, a solid hydraulic cyclone separation element, a coarse-grained polymerization element, a corrugated plate polymerization element and an automatic floating oil collection and discharge element are sequentially arranged in the tank body from top to bottom in the height direction; the oil, water and solid hydraulic cyclone separation element and the corrugated plate polymerization element are respectively communicated with an automatic floating oil collecting and discharging element extending into the tank body of the combined device and an external oil discharging pipeline.
2. The vertical oil, water and solid three-phase separation combination device according to claim 1, wherein the oil, water and solid hydraulic cyclone separation element inside the oil, water and solid separation combination device adopts a double-cone structure, the material is stainless steel, and the separation element is divided into a top oil spilling pipe joint, a liquid inlet pipe joint, a cyclone cavity straight pipe section, a cyclone cavity upper cone pipe section, a cyclone cavity lower cone pipe section and a bottom heavy phase liquid and solid impurity outlet pipe joint from top to bottom, when entering the cyclone pipe with a specific taper, a liquid inlet medium is slowly accelerated without generating turbulence, and centrifugal separation is performed in a state close to laminar flow, so that the separation effect is better.
3. The vertical oil, water and solid three-phase separation combination device as claimed in claim 2, wherein an oil storage chamber is arranged at the upper end part of the inside of the tank body of the combination device, and an overflow port of the oil, water and solid hydraulic cyclone separation element extends to the inside of the oil storage chamber; the oil storage chamber is internally provided with an automatic floating oil collecting device which comprises an automatic floating oil collecting chamber and an oil discharging pipeline extending from the bottom end surface of the automatic floating oil collecting chamber to the outside of the tank body of the combined device; the automatic floating oil collecting chamber is of a conical structure, the area of the upper end face of the automatic floating oil collecting chamber is larger than that of the lower end face of the automatic floating oil collecting chamber, and an oil level density difference control controller extending towards the automatic floating oil collecting chamber is arranged in the oil storage chamber so as to realize automatic oil discharging by utilizing oil, water density difference and liquid level.
4. The vertical oil, water and solid three-phase separation combination device as claimed in claim 3, wherein a baffle plate is arranged between the oil, water and solid hydraulic cyclone separation element and the corrugated plate polymerization element, and an oil discharge pipeline extending to the outside of the combination device tank body is arranged at the corresponding position of the baffle plate.
5. The vertical oil, water and solid three-phase separation combination according to claim 4, wherein the coarse grained polymeric element is compounded from an oleophilic hydrophobic material in the tank of the combination.
6. The vertical oil, water and solid three-phase separation combination device according to claim 5, wherein the corrugated plate polymeric element is a corrugated plate with a W-shaped waveform; among the buckled plate polymeric element, the array orientation of a plurality of wave forms is length direction, and each wave form extending direction is width direction, by each other between the length direction of buckled plate polymeric element and the common plane of confirming of width direction and the horizontal plane acutangular angle, and the contained angle between two adjacent wave surfaces in its contained angle and arbitrary wave form in the buckled plate is the same.
7. The vertical oil, water and solid three-phase separation combination device as claimed in claim 6, wherein a pressure type liquid level controller and a plurality of cleaning pipelines are arranged at the bottom position inside the tank body of the combination device; the water outlet pipeline is arranged on the bottom end surface or the top end surface of the combined device tank body.
8. The vertical oil, water and solid three-phase separation combination device according to claim 7, wherein the corrugated plate polymerization element inside the oil, water and solid separation combination device is formed by laminating and assembling a plurality of corrugated plates which are pressed by stainless steel bands and coated with oleophilic and hydrophobic polymer film materials on the surfaces.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910969260.2A CN110577298A (en) | 2019-10-12 | 2019-10-12 | Vertical oil, water, solid three-phase separation composite set |
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| CN201910969260.2A CN110577298A (en) | 2019-10-12 | 2019-10-12 | Vertical oil, water, solid three-phase separation composite set |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111252852A (en) * | 2020-03-27 | 2020-06-09 | 江苏中嘉华新环保科技有限公司 | Vacuum water-cutting demulsification oil-water separation device |
| CN113045016A (en) * | 2021-03-22 | 2021-06-29 | 哈尔滨工程大学 | Multi-stage oil-water separation device for catering |
| CN113499629A (en) * | 2021-07-22 | 2021-10-15 | 井冈山大学 | Domestic sewage treatment device for realizing separation of solid, liquid and oil |
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| CN113499629A (en) * | 2021-07-22 | 2021-10-15 | 井冈山大学 | Domestic sewage treatment device for realizing separation of solid, liquid and oil |
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