CN116573704B - Oil-water separation device for air floatation method - Google Patents
Oil-water separation device for air floatation method Download PDFInfo
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- CN116573704B CN116573704B CN202310762662.1A CN202310762662A CN116573704B CN 116573704 B CN116573704 B CN 116573704B CN 202310762662 A CN202310762662 A CN 202310762662A CN 116573704 B CN116573704 B CN 116573704B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 238000000926 separation method Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000007493 shaping process Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000006124 Pilkington process Methods 0.000 claims 2
- 238000004140 cleaning Methods 0.000 abstract description 39
- 230000000694 effects Effects 0.000 abstract description 9
- 230000002093 peripheral effect Effects 0.000 abstract description 4
- 238000011010 flushing procedure Methods 0.000 abstract description 2
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 239000002351 wastewater Substances 0.000 description 16
- 230000009471 action Effects 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 7
- 239000012535 impurity Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 239000000945 filler Substances 0.000 description 3
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009300 dissolved air flotation Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
- B01F23/2373—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media for obtaining fine bubbles, i.e. bubbles with a size below 100 µm
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention belongs to the technical field of wastewater treatment, in particular to an oil-water separation device of an air floatation method, which comprises a shaping mechanism for shaping a dissolved air releaser; wherein, dissolve gas releaser includes: the fixed disc is communicated with the dissolved air pipeline; the movable disc is arranged below the fixed disc in a sliding manner; the shaping mechanism comprises a first clamping piece which is slidably arranged at the top end of the fixed disc, and the movable disc is clamped with the fixed disc through the first clamping piece; the cleaning effect of the release opening is automatically detected by arranging the detection mechanism, and the movable disc after the downward movement is fixed by matching with the second clamping piece, so that the flushing and cleaning work is ensured to be smoothly carried out; only when the peripheral side of the release opening is cleaned up in a 360-degree range, all detection plates deflect, and the movable plate automatically moves upwards to reset, so that the functions of automatically cleaning the blockage of the release opening, automatically detecting the cleaning result and automatically recovering the normal work of the release after the cleaning is thoroughly detected are realized.
Description
Technical Field
The invention belongs to the field of wastewater treatment, and particularly relates to an oil-water separation device for an air floatation method.
Background
The oil-containing wastewater generated in the fields of petroleum, machinery industry and the like needs to be separated before being discharged, and the treatment method of the oil-containing wastewater comprises an air floatation method.
One patent application with the publication number of CN107324432A discloses a dissolved air flotation tank, which comprises a tank body, an upper sealing head, a lower sealing head, a filler mounting frame and a conical cylinder, wherein the filler mounting frame is provided with coalescing filler and the conical cylinder, the side wall of the inner cylinder is welded with a rotational flow water inlet pipe in a tangential direction, and the lower surface of the conical cylinder is uniformly provided with a plurality of water distribution square pipes communicated with the tank body and a water purifying area; the invention combines the air floatation technology, the cyclone separation technology and the coalescence separation technology, and has the advantages of small occupied area, low cost, high oil removal efficiency, simple and convenient operation and high reliability.
The technical scheme is characterized in that the used dissolved air releaser is an energy dissipation device, more micro bubbles can be released only after the pressure dissolved air water is depressurized and dissipated through the dissolved air releaser, the dissolved air releaser mainly comprises two discs, but in the working process, the two discs in the traditional dissolved air releaser are of a fixed structure, gaps between the discs are not adjustable, the gaps between the discs are easy to be blocked, the common releaser is common, the release amount of bubbles is directly affected after the blockage of the releaser, the oil removal effect is further affected, therefore, the releaser needs to be cleaned in time, the releaser is of a fixed structure, the cleaning difficulty in water is high, the releaser is cleaned after the releaser is disassembled after the normal operation is stopped, the working efficiency is low, and the technical scheme is not effective in solving the problem.
Therefore, the invention provides an oil-water separation device for an air floatation method.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to an oil-water separation device for an air floatation method, which comprises a separation tank, a self-suction type bubble generation system and an air dissolving system, wherein the self-suction type bubble generation system and the air dissolving system are used for conveying bubbles into the separation tank, and the air dissolving system comprises an air dissolving pipeline and an air dissolving releaser and also comprises a shaping mechanism for shaping the air dissolving releaser;
wherein, the dissolved gas releaser includes:
the fixed disc is communicated with the dissolved air pipeline; and
the movable disc is arranged below the fixed disc in a sliding manner, and a gap between the fixed disc and the movable disc is a release opening;
the shaping mechanism comprises a first clamping piece which is slidably mounted at the top end of the fixed disc, and the movable disc is clamped with the fixed disc through the first clamping piece.
Specifically, the top of fixed disk is equipped with the air inlet, and air inlet and dissolved air pipeline intercommunication, movable disk longitudinal movement, first joint spare lateral shifting still can install in the separation pond and scrape the foam board, and self-priming bubble generation system adopts self-priming bubble generation technique, utilizes the impeller to rotate at a high speed under the drive of motor, and the impeller surface forms negative pressure, through being connected with the external world suction air. Simultaneously, under the stirring of the impeller, the air is crushed into tiny bubbles; in an initial state, the movable disc is fixed on the fixed disc through the first clamping piece, so that the size of a release opening between the movable disc and the fixed disc is kept stable; when the oily wastewater is separated, raw water to be separated is sent into a separation tank, a self-suction bubble generation system is started to generate bubbles, a pressure gas dissolving system is started to form pressure gas dissolving water, the pressure gas dissolving water enters a gas dissolving releaser through a gas dissolving pipeline and an air inlet to be depressurized and energy-dissipated, a large number of micro bubbles are released, and the bubbles are discharged outwards through a release port; the bubble generating system and the dissolved air releaser generate bubbles which float upwards, adhere to impurities in raw water and pull the bubbles to suspend on the water surface, thereby completing the oil-water separation function, and then the suspended matters can be scraped away through a foam scraping plate; according to the scheme, two groups of bubble generating devices are arranged to adapt to different working conditions, the two groups of systems can work together or can work alternately, and when the two groups of systems work together, bubbles generated by the dissolved air releaser have larger kinetic energy, so that the bubbles generated by the self-priming bubble generating system can be driven to float upwards more quickly; when the system works alternately, the maintenance of one group of non-working systems is convenient on the premise of not stopping the wastewater separation work; in the separation working process, the clearance of the release port between the fixed disk and the movable disk is smaller, so that a blocking area is easy to generate, after the release port is blocked, the dissolved air in the release port cannot be normally discharged, the pressure in the release port can be increased, the first clamping piece is pulled out, the movable disk moves downwards under the action of the pressure, the height of the release port is increased, then, the blocking object can be flushed away by the dissolved air, and the function of cleaning the dissolved air releaser is realized.
Preferably, the dissolved air releaser further comprises:
the adjusting rods are fixedly connected to the top ends of the movable disks and penetrate through the upper parts of the fixed disks; and
and the elastic piece is used for pushing the movable disc to move upwards.
Specifically, in the initial state, the first clamping piece is blocked below the top end of the adjusting rod, so that the movable disc is clamped, the dimensional stability of the release opening is ensured, and the releaser can normally dissipate energy of the dissolved air water and generate bubbles; the elastic member is preferably but not limited to a spring; after the release opening is blocked, the first clamping piece is moved away, and the pressure in the release opening pushes the movable disc to automatically move downwards; after the blockage is cleared, the pressure in the release port is reduced, and the movable disc automatically moves upwards to reset under the pushing of the elastic piece.
Preferably, the shaping mechanism further comprises:
the lifting rods are movably inserted into the fixed disc, and wedge blocks for pushing the first clamping pieces to move are arranged at the top ends of the lifting rods;
the lifting rods are inserted into the through grooves, and the through grooves penetrate through the upper end and the lower end of the fixed disc; and
and the reset piece is used for pushing the lifting rod to move downwards.
Specifically, as the releaser works in the oily wastewater, the components of the wastewater are complex, the working environment is bad, and other electronic equipment such as a sensor and the like are not suitable to be arranged in the wastewater to detect and control the releaser, the releaser is designed into a self-cleaning structure, and the self-cleaning operation does not need to additionally set auxiliary power, and the self-cleaning device comprises the following specific components: the resetting piece is preferably but not limited to a spring, an elastic sealing film is arranged at the bottom end of the through groove, the sealing film can be made of rubber materials which can stretch out and draw back elastically, and the lifting rod moves longitudinally; after the release opening is blocked, the internal pressure is increased, the pressure pushes the lifting rod to move upwards, the lifting rod moves upwards and then pushes the first clamping piece to move through the wedge block, so that the first clamping piece moves to the side surface of the adjusting rod, then the adjusting rod, the movable disc and the movable disc move downwards, the height of the release opening is increased, and the original introduced dissolved air water can automatically flush off the blockage, so that automatic cleaning operation is completed; after the blockage is cleared, the internal pressure of the release port is reduced to be normal, the movable disc moves upwards to reset, the reset piece pushes the lifting rod to move downwards to reset, the lifting rod which moves downwards drives the first clamping piece to move to the lower part of the top end of the adjusting rod again, the adjusting rod is clamped continuously, the dimensional stability of the release port is ensured, the operation of dissipating energy and releasing bubbles can be automatically carried out by the releaser, the whole action is automatically operated, and an auxiliary power device is not required to be additionally arranged.
Preferably, the device further comprises a detection mechanism, the detection mechanism comprises:
a interlink, wherein the top ends of the adjusting rods are fixedly connected through the interlink; and
the detection plates are rotatably arranged on the interlink and are enclosed on the periphery of the fixed disc.
Specifically, even if the blockage in the release port is not completely cleaned, the internal pressure of the blockage can be discharged through the other cleaned unblocked positions, and the effect of reducing the internal pressure of the release port can be achieved, so that the false impression that the blockage is cleaned can be caused; however, this artifact can cause subsequent plugs to accumulate in the discharge ports more quickly, resulting in increased cleaning frequency and affecting the efficiency of oil-water separation, thus ensuring complete removal of plugs in the discharge ports during each cleaning operation; when the blockage in the release port is cleaned, the movable disc moves downwards and drives the detection plate to move downwards, the detection plate is closed on the periphery of the release port after moving downwards, the detection plate is pushed to rotate by air bubbles and dissolved air discharged through the release port, if the blockage is not completely cleaned, the detection plate on the outer side of the blockage is not rotated, and when all the detection plates deflect, the release port is completely cleaned completely, and the function of detecting the cleaning result is realized.
Preferably, a gap is reserved between the inner wall of the detection plate and the outer wall of the fixed disc.
Specifically, there is a gap between the detection plate and the release port after the downward movement, and the peripheral side of the release port is not completely blocked, so that the blockage can be discharged through the gap between the detection plate and the release port.
Preferably, the interlink and the top end of the adjusting rod form a whole ring, and the detecting mechanism further comprises:
a plurality of clamping grooves annularly and uniformly distributed along the outer side wall of the whole ring;
the second clamping pieces are arranged at the top end of the fixed disc in a sliding manner, are positioned below the interlink, and are arranged below each clamping groove; and
and the pushing piece is used for pushing the second clamping piece to move towards the clamping groove.
In particular, the pusher is preferably, but not limited to, a spring; the movable disc, the adjusting rod and the interlink form a whole, and in an initial state, the second clamping piece is positioned below the clamping groove and is not contacted with the clamping groove; when the release opening is cleaned, the movable disc descends to drive the clamping groove to move downwards to be horizontally aligned with the second clamping piece, and then the second clamping piece is inserted into the clamping groove under the action of the pushing piece, so that the movable disc after moving downwards is fixed, the movable disc is prevented from shaking up and down, the cleaning work is influenced, and the smooth cleaning work is ensured; after all the second clamping pieces are separated from the clamping grooves, the movable disc can be moved upwards to reset.
Preferably, the detection mechanism further comprises a pulling plate fixedly connected to the detection plate, and the detection plate drives the second clamping piece to be far away from the interlink through the pulling plate after rotating.
Specifically, when clearing up the release mouth, the pick-up plate moves down to the outside of release mouth, and after the plug in the release mouth was cleared up completely, all pick-up plates were all promoted by bubble and dissolved air water and are produced the deflection, and then promote whole second joint spare and break away from in the draw-in groove through dialling the board, then, the movable disk can move up and reset, has realized detecting the clearance effect of release mouth, and after detecting that the clearance is thorough, the function that the release automatically continued to work.
Preferably, the top end of one side of the second clamping piece, which is close to the detection plate, is provided with a bevel board corresponding to the shifting plate, and one side of the second clamping piece, which is close to the interlink, is provided with a slope.
Specifically, in the initial state, the second clamping piece is positioned below the top end of the adjusting rod, when the release opening is blocked, the adjusting rod moves downwards and contacts with the side slope of the second clamping piece, so that the second clamping piece is pushed to move, and when the clamping groove moves downwards along with the adjusting rod to be horizontally aligned with the second clamping piece, the second clamping piece is automatically inserted into the clamping groove, and the downwards moved adjusting rod is fixed; after the blockage is completely removed, all detection plates deflect, and the poking plate deflects along with the blockage and contacts with the bevel edge plate at the top end of the second clamping piece, so that the second clamping piece is pushed to move, and the second clamping piece is separated from the clamping groove.
Preferably, the shifting plate is located above the second clamping piece, an arc-shaped plate is arranged in the shifting plate, and the arc-shaped plate and the detection plate are located on the same rotation axis.
Specifically, in the initial state, the shifting plate and the second clamping piece are separated up and down and are not contacted with each other, and the shifting plate cannot cause interference influence on the movement of the second clamping piece; when detecting the blockage cleaning state of the release port, the shifting plate moves downwards along with the detection plate, and then the detection plate is contacted with the bevel edge plate in the second clamping piece after the detection plate rotates with the shifting plate.
Preferably, the top rigid coupling of fixed disk has the safety cover, adjust the pole with the top of pick-up plate is all located the inside of safety cover, the bottom of pick-up plate extends to the below of safety cover and be located the top of release mouth, the pick-up plate with the junction of safety cover is equipped with the sealing member.
In particular, the seal is preferably, but not limited to, a silicone sealing membrane that is elastically stretchable to prevent waste water from entering the interior of the boot.
The beneficial effects of the invention are as follows:
1. according to the oil-water separation device for the air floatation method, the dissolved air releaser is of an elastic movable structure, the size of the release opening between the fixed disc and the movable disc is adjustable, when the release opening is blocked, the pressure in the release opening is increased, the movable disc is pushed to move downwards, so that the size of the release opening is increased, and the normally-introduced dissolved air water in the releaser can wash away the blocking object without dismantling and automatically operates, so that the trouble of stopping, dismantling and cleaning is avoided, and the working efficiency is improved.
2. According to the oil-water separation device for the air floatation method, the sizing mechanism is arranged to enable the movable disc to be stable in a normal working state, so that the dimensional stability of the release opening is ensured, the energy dissipation and bubble release operation of the release device is facilitated to be carried out stably, and in addition, when the release opening is blocked, the sizing effect on the movable disc can be automatically relieved, so that the movable disc moves, the size of the release opening is enlarged, and the blockage can be washed out smoothly.
3. According to the oil-water separation device for the air floatation method, the detection mechanism is arranged to automatically detect the cleaning effect of the release opening, and the movable disc after downward movement is fixed under the action of the second clamping piece, so that the flushing and cleaning work of the blockage can be smoothly carried out; after a certain place of the release port is cleaned, dissolved air and water can be flushed out from the place and push the detection plate to rotate, only when the peripheral side of the release port is cleaned up in a 360-degree range, all the detection plates deflect, the movable plate automatically moves upwards to reset and continuously carries out energy dissipation and bubble release work, automatic detection on the cleaning result of blockage of the release port is realized, the function of automatically recovering normal work of the release device after the complete cleaning is detected is realized, the whole device automatically operates, an auxiliary power and electric power detection device is not required to be additionally arranged, and the device is suitable for being used in waste water with severe environment.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a front view of the dissolved air releaser;
FIG. 3 is a semi-sectional view of the dissolved air releaser;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic view of the first clip member and the lifter bar;
FIG. 6 is a schematic view of the securing disk and boot exploded;
FIG. 7 is a schematic diagram of the movable tray and the adjusting lever exploded;
FIG. 8 is a schematic diagram of the detection plate and the second clamping member.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Example 1
As shown in fig. 1, the oil-water separation device of the air floatation method according to the embodiment of the invention comprises a separation tank 1, a self-priming air bubble generation system 2 and an air dissolving system 3, wherein the self-priming air bubble generation system 2 and the air dissolving system 3 are used for conveying air bubbles into the separation tank 1, and the air dissolving system 3 comprises an air dissolving pipeline and an air dissolving releaser 31 and further comprises a shaping mechanism 4 for shaping the air dissolving releaser 31;
wherein the dissolved air releaser 31 comprises:
a fixed disc 311, the fixed disc 311 being in communication with the dissolved air line; and
a movable disc 312, wherein the movable disc 312 is slidably mounted below the fixed disc 311, and a gap between the fixed disc 311 and the movable disc 312 is a release opening;
the shaping mechanism 4 comprises a first clamping piece 41 slidably mounted on the top end of the fixed disc 311, and the movable disc 312 is clamped with the fixed disc 311 through the first clamping piece 41.
Specifically, the top of the fixed disc 311 is provided with an air inlet 315, the air inlet 315 is communicated with a gas dissolving pipeline, the movable disc 312 moves longitudinally, the first clamping piece 41 moves transversely, a foam scraping plate can be installed in the separation tank 1, the self-priming bubble generation system 2 adopts a self-priming bubble generation technology, an impeller rotates at a high speed under the driving of a motor, negative pressure is formed on the surface of the impeller, and air is sucked through connection with the outside. Simultaneously, under the stirring of the impeller, the air is crushed into tiny bubbles; the dissolved air releaser 31 adopts a TV type dissolved air releaser structure, and in an initial state, the movable disc 312 is fixed on the fixed disc 311 through the first clamping piece 41, so that the size of a release opening between the movable disc 312 and the fixed disc 311 is kept stable; when the oily wastewater is separated, raw water to be separated is sent into a separation tank 1, a self-priming bubble generation system 2 is started to generate bubbles, a pressure dissolved air system 3 is started to form pressure dissolved air water, the pressure dissolved air water enters a dissolved air releaser 31 through an air dissolving pipeline and an air inlet 315 to be depressurized and energy is dissipated, a large amount of micro bubbles are released, and the bubbles are discharged outwards through a release port; the air bubbles generated by the air bubble generating system and the dissolved air releaser 31 float upwards, adhere to impurities in raw water and pull the impurities up to be suspended on the water surface, so that the oil-water separation function is completed, and then the suspended matters can be scraped away through a foam scraping plate; according to the scheme, two groups of bubble generating devices are arranged to adapt to different working conditions, the two groups of systems can work together or can work alternately, and when the two groups of systems work together, bubbles generated by the dissolved air releaser 31 have larger kinetic energy and can drive bubbles generated by the self-priming bubble generating system 2 to float upwards faster; when the system works alternately, the maintenance of one group of non-working systems is convenient on the premise of not stopping the wastewater separation work; in the separation working process, the gap between the fixed disc 311 and the movable disc 312 is smaller, so that a blocking area is easy to generate, after the blocking area is blocked, the dissolved air in the release opening cannot be normally discharged, the pressure in the release opening can be increased, the first clamping piece 41 is pulled out, the movable disc 312 moves downwards under the action of the pressure, the height of the release opening is increased, then, the blocking object can be washed away by the dissolved air, and the function of conveniently cleaning the dissolved air releaser 31 is realized. Because the releaser is of a movable structure, the cleaning can be completed in water without disassembly, the problem that the traditional releaser is easy to block is solved, the trouble of shutdown, disassembly and cleaning is avoided, and the working efficiency is improved.
As shown in fig. 2 to 5, the dissolved gas releaser 31 further includes:
a plurality of adjusting rods 313 fixedly connected to the top ends of the movable disks 312, wherein the adjusting rods 313 penetrate through the upper parts of the fixed disks 311; and
and an elastic member 314 for driving the movable plate 312 to move upward.
Specifically, in the initial state, the first clamping member 41 is blocked below the top end of the adjusting rod 313, so that the movable disc 312 is clamped, the dimensional stability of the release opening is ensured, and the releaser 31 can normally dissipate energy of the dissolved air and generate bubbles; the resilient member 314 is preferably, but not limited to, a spring; after the release opening is blocked, the first clamping piece 41 is removed, and the pressure in the release opening pushes the movable disc 312 to automatically move downwards; after the blockage is cleared, the pressure in the release port is reduced, and the movable disc 312 automatically moves upwards to reset under the drive of the elastic piece 314.
As shown in fig. 3 to 5, the shaping mechanism 4 further includes:
the lifting rods 42 are movably inserted into the fixed disc 311, and wedge blocks for pushing the first clamping pieces 41 to move are arranged at the top ends of the lifting rods 42;
the lifting rods 42 are inserted into the through grooves 43, and the through grooves 43 penetrate through the upper end and the lower end of the fixed disc 311; and
a reset member 44 for pushing the lifting lever 42 downward.
Specifically, as the releaser works in the oily wastewater, the components of the wastewater are complex, the working environment is bad, and other electronic equipment such as a sensor and the like are not suitable to be arranged in the wastewater to detect and control the releaser, the releaser is designed into a self-cleaning structure, and the self-cleaning operation does not need to additionally set auxiliary power, and the self-cleaning device comprises the following specific components: the reset piece 44 is preferably, but not limited to, a spring, an elastic sealing film is arranged at the bottom end of the through groove 43, the sealing film can be made of elastic telescopic rubber, and the lifting rod 42 can longitudinally move; after the release opening is blocked, the internal pressure is increased, the lifting rod 42 is pushed to move upwards by the pressure, the lifting rod 42 is pushed to move by the wedge block after moving upwards, so that the first clamping piece 41 moves to the side surface of the adjusting rod 313, then the adjusting rod 313, the movable disc 312 and the downward move, the height of the release opening is increased, and the original introduced dissolved air water can automatically flush off the blockage, so that the automatic cleaning operation is completed; after the blockage is removed, the internal pressure of the release port is reduced to be normal, the movable disc 312 moves upwards to reset, the reset piece 44 pushes the lifting rod 42 to move downwards to reset, the lifting rod 42 which moves downwards drives the first clamping piece 41 to move to the position below the top end of the adjusting rod 313 again, the adjusting rod 313 is clamped continuously, the dimensional stability of the release port is ensured, the operation of dissipating energy and releasing bubbles can be automatically carried out by the releaser, and the whole action is automatically operated without additional auxiliary power devices.
As shown in fig. 2, the device further includes a detection mechanism 5, where the detection mechanism 5 includes:
a interlink 52, wherein the top ends of the plurality of adjusting rods 313 are fixedly connected through the interlink 52; and
a plurality of detecting plates 51 rotatably mounted on the link 52, the detecting plates 51 being enclosed on the circumferential side of the fixed disk 311.
Specifically, even if the blockage in the release port is not completely cleaned, the dissolved air water in the release port can be discharged through other cleaned unblocked positions, and the effect of reducing the pressure in the release port can be achieved, so that the blockage is cleaned up; however, this artifact can cause subsequent plugs to accumulate in the discharge port more quickly, resulting in increased cleaning frequency and affecting the efficiency of oil-water separation, thus, it is desirable to ensure complete removal of plugs in the discharge port during each cleaning; when clearing up the blockage in the release port, the movable disc 312 moves downwards and drives the detection plate 51 to move downwards, the detection plate 51 is closed on the periphery of the release port after moving downwards, the detection plate 51 is pushed to rotate by air bubbles and dissolved air water discharged through the release port, if the blockage is not completely cleared up, the detection plate 51 on the outer side of the blockage is not rotated, when all the detection plates 51 deflect, the release port is completely cleared up by 360 degrees, and the function of detecting the clearing result is realized.
As shown in fig. 2 to 4, a gap is left between the inner wall of the detection plate 51 and the outer wall of the fixed plate 311.
Specifically, there is a gap between the detection plate 51 and the release port after the downward movement, and the peripheral side of the release port is not completely blocked, so that the blockage can be discharged through the gap between the detection plate 51 and the release port.
As shown in fig. 2-7, the interlink 52 and the top end of the adjusting rod 313 form a complete ring, and the detecting mechanism 5 further includes:
a plurality of clamping grooves 53 which are annularly and uniformly distributed along the outer side wall of the whole ring;
a plurality of second clamping pieces 54 which are slidably arranged at the top end of the fixed disc 311, wherein the second clamping pieces 54 are positioned below the interlink 52, and one second clamping piece 54 is arranged below each clamping groove 53; and
and a pushing member 55 for pushing the second locking member 54 to move toward the locking groove 53.
In particular, the pusher 55 is preferably, but not limited to, a spring; the movable disc 312, the adjusting rod 313 and the interlink 52 form a whole, and in an initial state, the second clamping piece 54 is positioned below the clamping groove 53 and is not contacted with the clamping groove 53; when the release port is cleaned, the movable disc 312 descends to drive the clamping groove 53 to move downwards to be horizontally aligned with the second clamping piece 54, and then the second clamping piece 54 is inserted into the clamping groove 53 under the action of the pushing piece 55, so that the movable disc 312 after the downward movement is fixed, the movable disc 312 is prevented from shaking up and down, the cleaning work is influenced, and the smooth cleaning work is ensured; after all the second clamping members 54 are separated from the clamping grooves 53, the movable disc 312 can be moved upwards to reset.
As shown in fig. 3-8, the detecting mechanism 5 further includes a pulling plate 56 fixedly connected to the detecting plate 51, and the detecting plate 51 drives the second clamping member 54 to be away from the interlink 52 through the pulling plate 56 after rotating.
Specifically, when the release opening is cleaned, the detection plates 51 move down to the outer side of the release opening, after the plugs in the release opening are completely cleaned, all detection plates 51 are pushed by bubbles and dissolved air water to deflect, and then all second clamping pieces 54 are driven by the shifting plate 56 to be separated from the clamping grooves 53, then the movable disc 312 can move up to reset, so that the cleaning effect of the release opening is detected, and after the cleaning is detected thoroughly, the function of automatically continuing to work by the releaser 31 is realized.
As shown in fig. 8, a bevel board corresponding to the dial 56 is disposed at the top end of the side of the second clamping member 54 close to the detection board 51, and a slope is disposed at the side of the second clamping member 54 close to the interlink 52.
Specifically, in the initial state, the second clamping member 54 is located below the top end of the adjusting rod 313, when the release opening is blocked, the adjusting rod 313 moves downwards and contacts with a side slope of the second clamping member 54, so as to push the second clamping member 54 to move, when the clamping groove 53 moves downwards along with the adjusting rod 313 to be horizontally aligned with the second clamping member 54, the second clamping member 54 is automatically inserted into the clamping groove 53, and the downwards moved adjusting rod 313 is fixed; after the blockage is completely removed, all detection plates 51 deflect, and the poking plate 56 deflects along with the deflection and contacts with the bevel edge plate at the top end of the second clamping piece 54, so that the second clamping piece 54 is pushed to move, and the second clamping piece 54 is separated from the clamping groove 53.
As shown in fig. 8, the pulling plate 56 is located above the second clamping member 54, an arc plate is disposed in the pulling plate 56, and the arc plate and the detecting plate 51 are located on the same rotation axis.
Specifically, in the initial state, the pulling plate 56 and the second clamping piece 54 are separated up and down, and are not contacted with each other, so that the pulling plate 56 cannot cause interference influence on the movement of the second clamping piece 54; when detecting the blockage cleaning state of the release port, the shifting plate 56 moves downwards along with the detection plate 51, and then the detection plate 51 rotates with the shifting plate 56, and the shifting plate 56 is contacted with the bevel edge plate in the second clamping piece 54.
Example two
As shown in fig. 2-6, comparative example one, wherein another embodiment of the present invention is: the top rigid coupling of fixed disk 311 has safety cover 6, adjust the pole 313 with the top of pick-up plate 51 is located the inside of safety cover 6, the bottom of pick-up plate 51 extends to the below of safety cover 6 and be located the top of release mouth, the junction of pick-up plate 51 with safety cover 6 is equipped with sealing member 61.
In particular, the seal 61 is preferably, but not limited to, a silicone sealing membrane that is elastically stretchable to prevent waste water from entering the interior of the protective cover 6.
Working principle: when the oily wastewater is separated, raw water to be separated is sent into a separation tank 1, a self-priming bubble generation system 2 is started to generate bubbles, a pressure dissolved air system 3 is started to form pressure dissolved air water, the pressure dissolved air water enters a dissolved air releaser 31 through an air dissolving pipeline and an air inlet 315 to be depressurized and energy is dissipated, a large amount of micro bubbles are released, and the bubbles are discharged outwards through a release port; the air bubbles generated by the air bubble generating system and the dissolved air releaser 31 float upwards, adhere to impurities in raw water and pull up and suspend the impurities on the water surface, thereby completing the function of oil-water separation;
in the separation process, the gap between the release openings of the fixed disc 311 and the movable disc 312 is smaller, so that the area easy to be blocked is formed, after the release openings are blocked, the pressure in the release openings is increased, the lifting rod 42 is pushed to move upwards by the pressure, the lifting rod 42 pushes the first clamping piece 41 to move through the wedge block after moving upwards, the first clamping piece 41 moves to the side surface of the adjusting rod 313, then the adjusting rod 313, the movable disc 312 and the downward move, the height of the release openings is increased, and the original introduced dissolved air water can automatically wash away the blocking objects to complete the automatic cleaning operation;
when the movable disc 312 moves downwards, the clamping groove 53 and the detection plate 51 are driven to move downwards; the clamping groove 53 is horizontally aligned with the second clamping piece 54 after moving downwards, and then the second clamping piece 54 is inserted into the clamping groove 53 under the action of the pushing piece 55, so that the moving disc 312 after moving downwards is fixed, the moving disc 312 is prevented from shaking up and down, the cleaning work is influenced, and the smooth proceeding of the cleaning work is ensured;
after the detection plate 51 moves downwards, the detection plate 51 is enclosed on the periphery of the release port, the detection plate 51 is pushed to rotate by air bubbles and dissolved air water discharged through the release port, and all second clamping pieces 54 are pushed by the deflected detection plate 51 to be separated from the clamping grooves 53 through the poking plate 56; because the interlink 52 and the adjusting rod 313 are fixed by the plurality of second clamping pieces 54, all the detecting plates 51 are pushed to deflect only after the 360-degree range of the inner circumference of the release opening is cleaned, so that all the second clamping pieces 54 are separated from the clamping grooves 53;
after the blockage is completely cleared, the internal pressure of the release port is reduced to be normal, the elastic piece 314 pushes the movable disc 312 to move upwards for resetting, the reset piece 44 pushes the lifting rod 42 to move upwards for resetting, the lifting rod 42 which moves upwards drives the first clamping piece 41 to move to the lower part of the top end of the adjusting rod 313 again, the adjusting rod 313 is continuously clamped, the dimensional stability of the release port is ensured, the release device can automatically continue to operate to dissipate energy and release bubbles, and thus, the functions of automatically clearing and automatically detecting clearing results of the release device and automatically recovering normal work of the release device 31 after the clearing is thoroughly detected are realized.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. The utility model provides an oil-water separation device of air float method, includes separation tank (1), from inhaling bubble generation system (2) and dissolve gas system (3), from inhaling bubble generation system (2) with dissolve gas system (3) be used for to carry the bubble in separation tank (1), dissolve gas system (3) include dissolve gas line and dissolve gas releaser (31), its characterized in that: the device also comprises a shaping mechanism (4) and a detection mechanism (5) for shaping the dissolved air releaser (31);
wherein the dissolved air releaser (31) comprises:
a fixed disk (311), wherein the fixed disk (311) is communicated with a dissolved air pipeline;
a movable disc (312), wherein the movable disc (312) is slidably arranged below the fixed disc (311), and a gap between the fixed disc (311) and the movable disc (312) is a release opening;
a plurality of adjusting rods (313) fixedly connected to the top ends of the movable disks (312), wherein the adjusting rods (313) penetrate through the upper parts of the fixed disks (311); and
an elastic member (314) for driving the movable plate (312) to move upward;
the shaping mechanism (4) comprises:
the movable disc (312) is clamped with the fixed disc (311) through the first clamping piece (41);
the lifting rods (42) are movably inserted into the fixed disc (311), and wedge blocks for pushing the first clamping pieces (41) to move are arranged at the top ends of the lifting rods (42);
the lifting rods (42) are inserted into the through grooves (43), the through grooves (43) penetrate through the upper end and the lower end of the fixed disc (311), and elastic sealing films are arranged at the bottom ends of the through grooves (43); and
a reset member (44) for pushing the lifting lever (42) downward;
the detection mechanism (5) comprises:
the interlink (52) is fixedly connected with the top ends of the adjusting rods (313) through the interlink (52), and the interlink (52) and the top ends of the adjusting rods (313) form a whole ring;
a plurality of detection plates (51) rotatably mounted on the interlink (52), wherein the detection plates (51) are enclosed on the periphery of the fixed disc (311), and a gap is reserved between the inner wall of the detection plates (51) and the outer wall of the fixed disc (311);
a plurality of clamping grooves (53) which are annularly and uniformly distributed along the outer side wall of the whole ring;
the second clamping pieces (54) are slidably arranged at the top end of the fixed disc (311), the second clamping pieces (54) are positioned below the interlink (52), and one second clamping piece (54) is arranged below each clamping groove (53);
a pushing member (55) for pushing the second engaging member (54) to move in the direction of the engaging groove (53); and
a poking plate (56) fixedly connected to the detection plate (51), wherein the detection plate (51) drives the second clamping piece (54) to be far away from the interlink (52) through the poking plate (56) after rotating;
the top end of one side, close to the detection plate (51), of the second clamping piece (54) is provided with a bevel edge plate corresponding to the shifting plate (56), and one side, close to the interlink (52), of the second clamping piece (54) is provided with a slope; the poking plate (56) is located above the second clamping piece (54), an arc-shaped plate is arranged in the poking plate (56), and the arc-shaped plate and the detection plate (51) are located on the same rotation axis.
2. The oil-water separation device of the air-float method according to claim 1, wherein: the top rigid coupling of fixed disk (311) has safety cover (6), adjust pole (313) with the top of pick-up plate (51) all is located the inside of safety cover (6), the bottom of pick-up plate (51) extends to the below of safety cover (6) and be located the top of release mouth, pick-up plate (51) with the junction of safety cover (6) is equipped with sealing member (61).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310762662.1A CN116573704B (en) | 2023-06-27 | 2023-06-27 | Oil-water separation device for air floatation method |
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| CN202310762662.1A CN116573704B (en) | 2023-06-27 | 2023-06-27 | Oil-water separation device for air floatation method |
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| CN116573704B true CN116573704B (en) | 2024-02-02 |
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| CN117142559B (en) * | 2023-10-26 | 2024-04-02 | 无锡工源环境科技股份有限公司 | Adjustable anti-blocking energy dissipation device |
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| KR102052855B1 (en) * | 2019-06-04 | 2019-12-05 | 윤종석 | Wastewater pressurized uprising apparatus combined inclined settling tank |
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| CN103979637A (en) * | 2014-05-21 | 2014-08-13 | 中国矿业大学 | Purification device and separation method of oily sewage |
| KR20190010417A (en) * | 2017-07-20 | 2019-01-30 | (주)네이처와이드 | High efficiency micro bubble generator, floatation plant using the same and operating method of the same |
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