CN2470344Y - Hydraulic air-rising type water treatment apparatus - Google Patents
Hydraulic air-rising type water treatment apparatus Download PDFInfo
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- CN2470344Y CN2470344Y CN 01203811 CN01203811U CN2470344Y CN 2470344 Y CN2470344 Y CN 2470344Y CN 01203811 CN01203811 CN 01203811 CN 01203811 U CN01203811 U CN 01203811U CN 2470344 Y CN2470344 Y CN 2470344Y
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Abstract
Disclosed is a solution storing (hydraulic) air floating water processing device, comprising a pressurizing tank with a spraying gun, a forcing pipe, and a floating separating groove composed of separating plate connecting bodies that are piled up and down by egg- entrusting- shaped separating plates. The utility model separates and removes the foreign bodies such as the oil quality and the dross in waste and polluted water. The utility model adds the quantity of the solution storing (hydraulic) air inside the pressurized water so that the pressurized water and the water needed to be processed can be combined effectively. In this way, the working efficiency is remarkably higher than that of the various water processing machines in the past. Additionally, as the utility model adopts the separating plate connecting bodies as the water processing method, the utility model not only can effectively process the waste and polluted water and can improve the water purifying ability but also the equipment is easy to be cleaned and maintained.
Description
The utility model relates to molten depositing (hydraulic pressure) air-rising type water treatment device, refers in particular to utilize the adding of band spray gun (height) to press jar, add that (height) press spacer plate combination that valve and a plurality of egg holder shape spacer plate stack up and down floatingly goes up molten depositing (hydraulic pressure) the air-rising type water treatment device that separator tank is removed foreign matters such as the oil in useless, the sewage, dregs.
In useless, sewage treatment process in the past, adopt the coagulating sedimentation method as first handling procedure more.But, because this method requires larger area settling bath, not only take up an area of and construction cost big, required sedimentation time is long, can only remove colloid material in the water by coagulating sedimentation in addition, and can not remove the shortcoming of the less nutritive substance of nitrogen, phosphorus equimolecular quantity.
In order to address the above problem, just adopted molten depositing (hydraulic pressure) air-rising type water treatment device.This method does not only need large-area coagulating sedimentation groove, and, the characteristics that can realize water treatment at short notice also can be arranged.
Molten depositing (hydraulic pressure) air-rising type water treatment mode in the past adopts by using (height) press pump of high-lift adding, (height) setting-out that adds that utilization adds the formation of (height) press pump mixes it with air compressor with air, add (height) by being allowed to condition at and press jar interior certain hour that stops, make the air that adds in (height) setting-out be in state of saturation.When being injected into the surface dust separator tank that is positioned under the normal pressure, just form numerous tiny bubbles owing to add the unexpected decompression of (height) setting-out, and bubble is adsorbed in suspended solid its surface and emerges in uphill process, administers purpose useless, sewage thereby reach.
At this moment, in order fully to dissolve the air that adds in (height) setting-out, utilization ' Henry's law ' forces to make the condition of cryogenic high pressure, promptly dissolve air as much as possible, the amount (a) that makes air is greater than suspended solid, and air and solid ratio (a/s) are big as much as possible, makes floating upward separation more effective.In adding (height) pressure jar, add the pressurized air that air compressor extrudes to greatest extent, gas is injected water to greatest extent so that reach capacity state, make it produce more bubble when (height) presses the valve discharge to transfer normal pressure to by adding.
But this moment, even the ratio of a/s rises, bubble quantity and bubble is but descending.According to square Stokes'theorem that is directly proportional of ascent rate with its diameter of object (Stokes ' 1aw), the proportion of object more little it float just good more, the viscosity of waste water is low more, it is just good more to float, the lift velocity of bubble is also high more, thus particle bigger in the water is adsorbed in its surface and goes up and emerge.
But if the bubble that will add in (height) setting-out gives the refinement dispersion, so, floating going up in the separator tank will produce more bubble, then be not only big particle, even if very tiny suspended solid also will all be floated by adhesion.When the size reduction 1% of bubble, bubble quantity and bubble will enlarge 1,000,000 times, thereby, make separating effect more be tending towards perfect.
Therefore, molten depositing (hydraulic pressure) air-rising type water treatment device be for will give up, the former water of sewage changes into and adds (height) and press recirculated water, and uses air compressor to produce pressurized air, and it directly is injected into the mode in the former water in the sealing load jar.
But in such cases, if bubble can not liquefy fully, so, big bubble will directly supply to floating going up in the separator tank and cause vortex phenomenon, and oil, dregs and other foreign matter are normally floated.In addition, if useless, the former water of sewage separates respectively with air, keep admixture, floating in the separator tank under normal pressure can only cause the expansion of bubble, and adsorption effect is poor so, can not fully adsorb oil, dregs and other foreign matter in useless, the sewage, promptly exist can't segregating foreign objects problem.
Because mode of operation in the past for directly injecting air in the pressure-pot of sealing, requires the volume of pressure-pot very big, therefore, no matter be, or on the economy, all exist certain shortcoming again in pressurization efficient.
In order to address the above problem, the purpose of this utility model is to provide a kind of molten depositing (hydraulic pressure) the air-rising type water treatment device that foreign matters such as the oil in the sewage, dregs effectively can be removed,
To achieve the above object, adopt following technical scheme:
Molten depositing (hydraulic pressure) the air-rising type water treatment device that the utility model provides comprises that one adds compressed-air actuated pressurized water mixes and put into processing mixing water under the normal pressure with effluent sewage the separator tank that floats, and is characterized in that: pressurized tank is set, it by:
The sealed shell of tank and the side upper end that can hold a certain amount of pressurized water are the funnel-form upward opening, opposite side is for forming the exhausted paddy U-shaped pipe that Open Side Down, insert and be connected on the certain altitude of this U-shaped pipe, the outside of one end and tank body joins, the other end then is the spray gun of band upward nozzle, then is the bubble removal portion that is stacked together by egg holder shape spacer plate below this spray gun; What be positioned at bubble removal subordinate side is pressurized water supply-pipe and regulation of level portion.
Molten depositing recited above (hydraulic pressure) air-rising type water treatment device, described a supply of accepting pressurized water also is set on floating between separator tank and the above-mentioned pressurized tank, and with its with it is sprayed onto the floating pressurization valve of going up in the separator tank after process object water mixes, this pressurization valve is:
One end connects the supply-pipe be used for process object water, the round shape gum pipe of the bleed pipe of lower end band squit hole and be inserted in homonymy with above-mentioned gum pipe, and the lid that the upper end has screw hole to connect is sealed up, and a side connects the pressurized water supply-pipe, the cylinder of lower ending opening, and
Join with the screw hole of above-mentioned cylinder, be provided with and can move up and down, the lower end is cone shape valve disk, which is provided with handrail and turning axle.
Molten depositing recited above (hydraulic pressure) air-rising type water treatment device, the floating separator tank of going up of described processing mixing water specifically comprises:
Stamp oilhole and dregs hole respectively on the summit at protruding peak and the low spot of trench, when egg holder shape spacer plate is stacked up and down adjacent two mutually dislocation constitute the overall separation zoarium that hardens.
The utility model is pressed jar at add (height) that use the band spray gun, add molten depositing (hydraulic pressure) air capacity in (height) setting-out, add (height) by utilization and press jar, to add (height) setting-out and mix effectively, and utilize the spacer plate combination and the bubble effect that stack up and down by a plurality of egg holder shape spacer plates that molten depositing (hydraulic pressure) the air-rising type water treatment device that foreign matters such as the oil in the sewage, dregs effectively can be removed is provided with the water that needs to handle.
Characteristics in the technique scheme are:
The utility model mixes the back and injects normal pressure floating upward in the separator tank down at add (height) setting-out and useless, the sewage with injecting compressed air, utilize again on the absorption of bubble and molten depositing (hydraulic pressure) the air-rising type water treatment device that effect of increasing removes foreign matter, be provided with and add (height) and press jar.This adds (height) and presses jar to be funnel-form and upward opening is arranged by the sealed shell of tank that can hold (height) setting-out of a certain amount of adding, side upper end, the then crooked and band of opposite side is to the U-shaped pipe of lower opening, be connected to the exterior of an end and above-mentioned jar portion with a certain eminence of U-shaped pipe, and the other end is that the nozzle valve of upward opening and the bubble removal portion, pressurized water supply-pipe and the regulation of level portion that are stacked together by egg holder shape spacer plate that are positioned under it constitute.
In addition, in the utility model, also be provided with to press jar to obtain to add (height) setting-out and supply with from above-mentioned adding (height), will add (height) setting-out and processed water spray into after mixing floating go up separator tank add (height) pressure valve.The in succession supply-pipe of processed water of this side that adds (height) pressure valve, there is the round shape tooth of ejection pipe racks squit hole the below; The B pipe, it and above-mentioned tooth pipe in age are arranged at the same side, and its top has screw hole connection lid to cover.Its opposite side is connecting and is adding (height) setting-out supply-pipe, and the lower end that connects by screw has the cylinder of opening to be set to the formula that can move up and down, and is provided with the conical valve disk of band rotating handrail below it.
The utility model also has the floating separator tank of going up of handling mixed solution.Its feature is that the egg holder shape spacer plate that is equipped with oilhole and dregs hole at projection and trench place respectively stacks together up and down, and two the adjacent spacer plates that stack up and down stagger mutually, constitute the spacer plate combination of integration.
In the utility model, content by molten depositing (hydraulic pressure) air in the pressurized water in the pressurized tank that increases the band spray gun, undertaken after pressurized water and process object water mixes by pressurizing valve, make and contain a large amount of very tiny bubbles in the mixing water, operate by the water treatment of egg holder shape spacer plate again, can obtain than the better treatment effect of water treatment in the past, not only realized effective improvement useless, sewage, the equipment that brings because of the water treatment device that uses the spacer plate combination is convenient to cleaning and is safeguarded simple effect again.
Fig. 1: the overall structure synoptic diagram of this molten depositing (hydraulic pressure) air-rising type water treatment device;
Fig. 2: the diagrammatic cross-section that adds (height) pressure valve structure in this molten depositing (hydraulic pressure) air-rising type water treatment device;
Fig. 3: be located at the floating structure that goes up spacer plate combination in the treatment trough in this molten depositing (hydraulic pressure) air-rising type water treatment device and overlook side-view;
Fig. 4: be the schematic cross-section of Fig. 4 A-A line;
Fig. 5: the synoptic diagram that carries out the water treatment principle in the presentation graphs 4 by egg holder shape spacer plate combination;
The explanation of major parts among the figure:
100: pressurized tank
11: the 13:U of jar portion shape pipe 15: nozzle 17: trench portion 19: suction opening
21: spray gun 23: bubble removal portion 25: add (height) and press recirculated water supply department
27: air compressor 29: add (height) press pump
31: add (height) setting-out supply-pipe 33: pressure warning unit 35: regulation of level portion 37: recirculated water supply-pipe
200: add (height) and press valve
41: process object water supplying pipe 43: squit hole 45: bleed pipe 47: gum pipe 49: screw hole
51: lid 53; Add (height) setting-out supply-pipe 55: cylinder 57: valve disk 59; Handrail
61: turning axle
300: the floating separator tank of going up
71: zoning pipe 73: spacer plate combination 75: spacer plate 77: protruding peak 79: trench
81: oilhole 83: dregs hole 85: combination mouth 87: scrape type oil skimmer vessel 89: dregs outlet
91: treating water outlet 93; Seston outlet 95: regulation of level mouth
Below, will be illustrated characteristics of the present utility model in conjunction with the accompanying drawings:
Fig. 1 is the one-piece construction synoptic diagram of molten depositing (hydraulic pressure) air-rising type water treatment device.
As shown in the figure, molten depositing (hydraulic pressure) air-rising type water treatment device is pressed jar 100 and is added (height) pressure valve 200 and the floating separator tank formation that goes up by adding (height).
As shown in Figure 1, it is to be constituted tank body 11 and be arranged at these tank body 11 centers by a sealed can that can hold (height) setting-out of a certain amount of adding that adding in the utility model (height) pressed jar 100, and a side is that the upper end is made up of for the exhausted paddy U-shaped pipe 13 that Open Side Down funnelform upward opening, opposite side.
Linking to each other with the somewhere of this U-shaped pipe 13, is that the outside of an end and tank body 11 joins, and the other end then is the spray gun 21 of band upward nozzle, then is the bubble removal portion 23 that is stacked together by egg holder shape spacer plate below this spray gun 21.
In the end of above-mentioned spray gun 21 and the outside of tank body 11 is that add (height) that links to each other pressed recirculated water supply unit 25, the air compressor 27 and add (height) press pump 29 of ining succession.Add 29 pairs of (height) press pumps and carry out operation from the floating recirculated water of going up separator tank, the injection by air compressor 27 realizes supplying with adding the air that (height) press jar.
In addition, press (height) setting-out that adds that forms in jars 100 to add (height) setting-out service 31 with adding (height) being provided with below the above-mentioned bubble removal portion 23 to what add 200 supplies of (height) pressure valve; In addition, press jars 100 top, be provided with and check jar pressure warning unit of internal pressure size 33, and be provided with regulation of level portion 35, itself and air compressor 27 and recirculated water supply-pipe 37 are linked together, play the effect of maintenance fixed level in above-mentioned adding (height).
Fig. 2 is for adding the diagrammatic cross-section of (height) pressure valve structure in molten depositing (hydraulic pressure) the air-rising type water treatment device.This adds (height) and presses valve 200 from accepting to press (height) setting-out that adds of jar 100 to supply with from adding (height), and it is mixed with the water of intending handling, and finishes to the floating upward ejection work of separator tank 300.
As shown in the figure, add (height) and press valve 200 to communicate with the supply-pipe 41 of supplying with process object water on one side, its below is the round shape gum pipe 47 of band squit hole 43 on the band bleed pipe 45.
In addition, at the homonymy of gum pipe 47, be provided with that the lid 51 that joined by screw hole covers, a side is ined succession and is added (height) setting-out supply-pipe 31, the cylinder 55 of lower end band opening.
Below 55 on above-mentioned cylinder, be provided with conical valve disk 57, for being provided with the turning axle 61 of handrail 59, the upper end of turning axle 61 and lid 51 are joined by screw hole 49 and are exposed on it.
This is molten deposit the air-rising type water treatment device floating to go up separator tank 300 similar with the floating following formula separator tank of general water.As shown in Figure 1, it is by dividing the floating zoning pipe 71 of going up separator tank 300 inside, to be mixed the spacer plate combination 73 that foreign matter is risen rapidly by the very tiny bubble and the process object water that add 200 discharges of (height) pressure valve, be arranged at the responsible of floating upward separator tank 300 tops seston is cast aside the scrape type oil skimmer vessel 87 of outside, be arranged at seston relief outlet 93 and go up the dregs relief outlet 89 that separator tank 300 belows are used to discharge dregs with floating, be used for the recirculated water supply-pipe 37 that clean water is discharged after the partially disposed, be used to discharge the treating water relief outlet 91 of treated water and can will float regulation of level mouth 95 formations that separator tank 300 interior water levels remain on maintenance level.
Fig. 3 overlooks the floating side-view of going up spacer plate combination 73 in the separator tank.Fig. 4 is the cross-sectional view of A-A line.As shown in the figure, above-mentioned spacer plate combination 73 is to be stacked together by a plurality of spacer plates 75, and spacer plate 75 is the egg holder shape that is equipped with oilhole 81 and dregs hole 83 at the low spot of the summit at protruding peak 77 and trench 79 respectively.This spacer plate 75 is staggered mutually when stacking up and down, promptly allow the protruding peak of a top pallet face toward a following pallet trench place, then be stacked as up and down add on one pile the oilhole 81 of spacer plate 75 or the dregs hole 83 vortex-like in conjunction with mouthfuls 85 and the two ends ligation, just become the stack thing of spacer plate, promptly constituted the spacer plate combination 73 of integration.
Below, will give up in the separator tank in meaning of the present utility model and on floating to above-mentioned structure applications, the principle of sewage disposal illustrated.
At first, at the above-mentioned recirculated water that is purified in the separator tank on floating by adding (height) press pump 29 and air compressor 27, supply to spray gun 21 to inject air state by pressurized circulation water supply portion 21, and upwards spray at a high speed by the nozzle 15 of spray gun 21 terminals.At this moment, 17 in the trench portion that is positioned at these spray gun 21 nozzles 15 bottom U-shaped pipes 13 brings out the decompression state that approaches vacuum, thus, its side air suction inlet 19 circulations partly by this U-shaped pipe 13 suck air, the pressurized circulation water that penetrates with said nozzle 15 mixes, not only improved the contact efficiency that adds recirculated water and air, jet velocity has improved.By This move, also increased molten quantity of depositing air in the pressurized circulation water, make the inside of pressurized tank 100 be full of tiny bubble and pressurized water.
As mentioned above, the aeriferous pressurized circulation water of ejection moves in tank body 11 from top to bottom.In this process, when being arranged at the bubble removal portion 23 of spray gun 21 belows, too much bubble will be removed.
This pressurized water that contains abundant dissolved air will be discharged into the pressurized water supply-pipe 31 that is positioned at bubble removal portion 23 belows.
Simultaneously, be arranged at that pressurized waters automatically adjust in 35 pairs of jars of regulation of level portion 11 of tank body 11.Promptly when the water level in the jar 11 surpasses the plan water level, cut off the supply-pipe of the air compressor 27 that links to each other, control pressurized air and advance in people's pressurized tank 100; And drop to set water level when following when water level, and then open the supply-pipe supply pressurized air of air compressor 27, at this moment, regulation of level portion 35 just starts, and pressurized air begins to flow into and is injected in the recirculated water.
As mentioned above, the pressurized water of supplying with by pressurized water supply-pipe 31 moves in cylinder 55, because of the rotation of the handrail 59 of turning axle 61 upper ends has brought the moving down of valve disk 57 of turning axle 53 lower ends to cause cylinder open, cause pressurized waters in the cylinder 55 to 47 ejections of gum pipe.At this moment, pressurized water is being stagnated before the unlatching of valve disk 57 under the pressure in cylinder, erupts simultaneously in the unlatching that handrail 59 rotates the valve disk 57 that brings, and the rapid decline of initiation pressure has just produced a large amount of very tiny bubbles.
In addition, the process object water that process object water supplying pipe 41 by pressurized tank 200 1 sides is supplied with, move by gum pipe 47, converge with (height) setting-out that adds by cylinder 55 ejection at valve disk 57 places, produce contain a large amount of bubbles realized sufficient admixture with process object water.
This that contain a large amount of bubbles and the bleed pipe 45 of process object water blended mixed solution by gum pipe 47 lower ends spray into floating going up in the separator tank 300 by squit hole 43.
Spray into the floating mixing water of going up separator tank 300 under the normal pressure by pressurizing valve 200, after rising by zoning pipe 71, enter the floating separator tank 300 of going up and move down, by spacer plate combination 73.
Fig. 5 carries out the synoptic diagram of the principle of water treatment for showing the above-mentioned spacer plate combination that is made of egg holder shape spacer plate.As shown in the figure, water treatment principle is to carry out according to the Si Tuokesi (Stokes%law) that the difference useless, sewage Yin Teding buoyancy (or gravity) that contains foreign matters such as oil, dregs reaches the mix flow of bringing thus.
As shown in Figure 5, light-weight pollution substances such as foreign matter that bubble is adsorbed and oil by the medial surface rising of above-mentioned spacer plate 75, are discharged by top through oilhole 81; On the contrary, heavier material in the mixing waters such as dregs then is that the outside by spacer plate 75 sinks.
By the dregs that spacer plate 75 outsides sink, after the dregs hole 83 of spacer plate 75 sinks deposition, outwards get rid of by dregs outlet 89 with certain interval.
In addition, the lighter pollutents of proportion such as foreign matter that floats with bubble and oil will stay on the floating water surface of going up separator tank 300, be skimmed by scrape type oil skimmer vessel 87 grades, by tubular type oil skimmer vessel or suction apparatus etc., be discharged by seston relief outlet 93.
Simultaneously, the water that separator tank 300 is subject to processing on floating is got rid of by treating water outlet 91, but some is supplied with to pressurized tank 100 through recirculated water supply-pipe 37 as recirculated water in order to utilize again.
It is as follows to utilize the utility model to carry out the meaning of water treatment:
In the utility model, content by molten depositing (hydraulic pressure) air in the pressurized water in the pressurized tank that increases the band spray gun, undertaken after pressurized water and process object water mixes by pressurizing valve, make and contain a large amount of very tiny bubbles in the mixing water, operate by the water treatment of egg holder shape spacer plate again, can obtain than the better treatment effect of water treatment in the past, not only realized effective improvement useless, sewage, the equipment that brings because of the water treatment device that uses the spacer plate combination is convenient to cleaning and is safeguarded simple effect again.
Claims (3)
1, a kind of molten depositing (hydraulic pressure) air-rising type water treatment device, comprise one add compressed-air actuated pressurized water mixes with effluent sewage and put into processing mixing water under the normal pressure float separator tank (300), it is characterized in that: pressurized tank (100) is set, it by:
The sealed shell of tank (11) and the side upper end that can hold a certain amount of pressurized water are the funnel-form upward opening, opposite side is for forming the exhausted paddy U-shaped pipe (13) that Open Side Down, insert and be connected on the certain altitude of this U-shaped pipe (13), the outside of one end and tank body (11) joins, the other end then is the spray gun (21) of band upward nozzle, then is the bubble removal portion (23) that is stacked together by egg holder shape spacer plate below this spray gun (21); What be positioned at bubble removal portion (23) below is pressurized water supply-pipe (31) and regulation of level portion (35).
2, molten depositing according to claim 1 (hydraulic pressure) air-rising type water treatment device, it is characterized in that: a supply of accepting pressurized water is set on floating between separator tank (300) and the above-mentioned pressurized tank (100) described, and with its with it is sprayed onto the floating pressurization valve of going up in the separator tank (300) (200) after process object water mixes, this pressurization valve (200) is:
One end connects the supply-pipe (41) that is used for process object water, the round shape gum pipe (47) of the bleed pipe (45) of lower end band squit hole (43) and be inserted in homonymy with above-mentioned gum pipe (47), the lid that the upper end has screw hole to connect is sealed up, one side connects pressurized water supply-pipe (31), the cylinder of lower ending opening (55), and
Join with the screw hole (49) of above-mentioned cylinder (55), be provided with and can move up and down, the lower end is a cone shape valve disk (57), which is provided with handrail (59) and turning axle (61).
3, molten depositing according to claim 1 (hydraulic pressure) air-rising type water treatment device is characterized in that: the floating separator tank (300) of going up of described processing mixing water specifically comprises:
Stamp oilhole (81) and dregs hole (83) respectively on the summit of protruding peak (77) and the low spot of trench (79), with egg holder shape spacer plate (75) when stacking up and down adjacent two mutually dislocation constitute the overall separation zoarium (73) that hardens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01203811 CN2470344Y (en) | 2001-02-23 | 2001-02-23 | Hydraulic air-rising type water treatment apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01203811 CN2470344Y (en) | 2001-02-23 | 2001-02-23 | Hydraulic air-rising type water treatment apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2470344Y true CN2470344Y (en) | 2002-01-09 |
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ID=33625179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01203811 Expired - Fee Related CN2470344Y (en) | 2001-02-23 | 2001-02-23 | Hydraulic air-rising type water treatment apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2470344Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113479961A (en) * | 2020-12-31 | 2021-10-08 | 无锡德林海环保科技股份有限公司 | Air floatation method and blue algae pressurization recycling treatment system thereof |
-
2001
- 2001-02-23 CN CN 01203811 patent/CN2470344Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113479961A (en) * | 2020-12-31 | 2021-10-08 | 无锡德林海环保科技股份有限公司 | Air floatation method and blue algae pressurization recycling treatment system thereof |
| CN113479961B (en) * | 2020-12-31 | 2022-03-22 | 无锡德林海环保科技股份有限公司 | Air floatation method and blue algae pressurization recycling treatment system thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |