CN116282741B - Treatment process of waste liquid from palm oil production - Google Patents
Treatment process of waste liquid from palm oil production Download PDFInfo
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- CN116282741B CN116282741B CN202310380611.2A CN202310380611A CN116282741B CN 116282741 B CN116282741 B CN 116282741B CN 202310380611 A CN202310380611 A CN 202310380611A CN 116282741 B CN116282741 B CN 116282741B
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- waste liquid
- oil
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- 239000007788 liquid Substances 0.000 title claims abstract description 93
- 239000002699 waste material Substances 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 36
- 235000019482 Palm oil Nutrition 0.000 title claims abstract description 35
- 239000002540 palm oil Substances 0.000 title claims abstract description 35
- 230000008569 process Effects 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 239000003921 oil Substances 0.000 claims abstract description 29
- 235000019198 oils Nutrition 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims description 19
- 239000004744 fabric Substances 0.000 claims description 12
- 239000002985 plastic film Substances 0.000 claims description 9
- 238000005188 flotation Methods 0.000 abstract description 28
- 230000000694 effects Effects 0.000 abstract description 18
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 28
- 239000002245 particle Substances 0.000 description 11
- 241000238634 Libellulidae Species 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 235000015112 vegetable and seed oil Nutrition 0.000 description 3
- 239000008158 vegetable oil Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000008396 flotation agent Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 241001133760 Acoelorraphe Species 0.000 description 1
- 240000003133 Elaeis guineensis Species 0.000 description 1
- 235000001950 Elaeis guineensis Nutrition 0.000 description 1
- 235000019484 Rapeseed oil Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000002306 biochemical method Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003346 palm kernel oil Substances 0.000 description 1
- 235000019865 palm kernel oil Nutrition 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization 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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
- C02F2103/322—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters from vegetable oil production, e.g. olive oil production
-
- 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
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Removal Of Floating Material (AREA)
Abstract
The invention discloses a treatment process of waste liquid for producing palm oil, which comprises a reaction tank and a liquid storage tank, wherein the reaction tank is arranged right above the liquid storage tank, the bottom end of the reaction tank is provided with a plurality of underframes, the top end of the reaction tank is simultaneously provided with a plurality of reciprocating slide rods and an oil skimmer, the opposite sides of the reaction tank are respectively provided with a waste discharge tank, the oil skimmer comprises a waste discharge port, the waste discharge port of the oil skimmer corresponds to the waste discharge tank, the top end of one side of the reaction tank is provided with a waste feeding mechanism, the top end of the waste feeding mechanism is tightly connected with a quantitative feeder, the bottom end of the opposite side of the reaction tank is provided with a liquid discharge pipe, the top end of the liquid storage tank and the bottom end of the liquid discharge pipe are respectively provided with overflow ports, and the treatment process of waste liquid for producing palm oil disclosed by the invention has the effects of simultaneously realizing full utilization of backwater and quantitative control of flotation reagent, and reducing cost while guaranteeing treatment effect.
Description
Technical Field
The invention relates to the technical field of palm oil waste liquid treatment, in particular to a waste liquid treatment process for producing palm oil.
Background
Palm oil is a tropical woody vegetable oil, is the vegetable oil variety with the largest production amount, consumption amount and international trade amount in the world, and is also called as 'three large vegetable oil in the world' together with soybean oil and rapeseed oil, and has an edible history of more than five thousand years, and is formed by squeezing palm fruits on oil palm trees, and pulp and kernels respectively produce palm oil and palm kernel oil.
Palm oil produces waste liquid during production, and methods for treating the waste liquid in the prior art include a flotation method, an ion exchange method and a biochemical method. In the flotation method, air or other gases are introduced into water to generate micro bubbles, so that some fine suspended oil droplets and solid particles in the water are attached to the bubbles, float up to the water surface together with the bubbles to form scum (oil-containing foam layer), and then an appropriate oil skimmer is used for skimming the oil. The content of the flotation reagent in the backwater for removing the oil content and the impurities is 50-100 times higher than that in the new water, but the backwater contains small particles which can influence the treatment effect of the waste liquid, and the backwater and the waste liquid can not form an automatic ratio, so that the adding amount of the flotation reagent is not easy to control, and the full utilization of the backwater can not be realized.
Disclosure of Invention
The invention discloses a treatment process of waste liquid for producing palm oil, which aims to solve the technical problems that small particles contained in backwater can affect the treatment effect of the waste liquid, and the backwater and the waste liquid cannot form an automatic proportion, so that the adding amount of a flotation reagent is not easy to control, and the full utilization of backwater cannot be realized.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a production palm oil's waste liquid treatment process, includes reaction tank and reservoir, the reaction tank sets up directly over the reservoir, and the bottom of reaction tank is provided with a plurality of chassis, the top of reaction tank is provided with a plurality of reciprocal slide bars and oil skimming ware simultaneously, and the opposite both sides of reaction tank are provided with the exhaust groove respectively, oil skimming ware includes the exhaust mouth, and the exhaust mouth of oil skimming ware corresponds the exhaust groove, one side top of reaction tank is provided with into useless mechanism, and advances useless mechanism's top zonulae occludens and have quantitative feeder, the opposite side bottom of reaction tank is provided with the fluid-discharge tube, and the top of reservoir, the bottom of fluid-discharge tube is provided with filtering mechanism, two pairs of both sides inner wall of reservoir are provided with the overflow mouth respectively, and the opposite side inner wall zonulae occludens of reservoir have the constant delivery pump, the junction of constant delivery pump and reservoir is provided with the solenoid valve, and the communicating tube links to each other with advancing useless mechanism, the top outer wall of reaction tank spanned across the roof, and a plurality of air-filled machine sets up on the reciprocal slide bars, every multiunit rod is provided with the top plate on the reciprocal slide bar respectively.
Through being provided with filtering mechanism, quantitative pump and ration feeder, the waste water that palm oil production produced filters the back by big sediment, the waste liquid enters into the reaction tank by advancing useless mechanism, realize the flotation technology processing of waste liquid under the effect of a plurality of oil skimming machines and air blast machine, oil and impurity after the processing are discharged through the guide of exhaust groove, and the liquid that has the flotation medicament then enters into the reservoir through the fluid-discharge tube, the in-process, the liquid carries out the granule through filtering mechanism, avoid influencing the reutilization of return water, the return water is stored in the reservoir after carrying out the reutilization, when carrying out the reutilization to it, draw into useless mechanism through the quantitative pump, and accomplish the mixture of return water, new flotation medicament and waste liquid in advancing useless mechanism, the in-process, directly carry out quantitative restriction when the waste liquid gets into, quantitative restriction is also carried out quantitative restriction to the return water of mixture under the effect of quantitative pump, thereby can calculate approximate flotation medicament single demand, and through quantitative machine accurate interpolation, make full use and flotation medicament effect of realization simultaneously, reduce the cost of the flotation treatment simultaneously.
In a preferred scheme, filtering mechanism is including encircling the baffle, and encircle the internal joint of baffle and have the filter cloth, encircle the baffle and be located the top of reservoir, and encircle one side of baffle and be connected with the transfer line, movable joint has the eccentric shaft in the transfer line, and the bottom mounting of eccentric shaft has the carousel, the bottom centre of a circle position fixedly connected with step motor of carousel, step motor's bottom fixedly connected with bottom bracket, and step motor's output shaft passes the bottom bracket, encircle opposite one side outer wall of baffle and be provided with a plurality of mounting brackets, every the inner wall of mounting bracket is provided with the spring respectively, and the other end fixedly connected with L type support of spring, L type support is fixed in one side of reservoir.
Through being provided with filtering mechanism, filtering mechanism is filtering the tiny particle of return water, and fluid-discharge tube exhaust return water erodees on the filter cloth, and step motor drives the carousel and rotates this moment, drives the unstable rocking of filter cloth through the transfer line, can effectively avoid piling up and the jam of tiny particle, guarantee the filter effect of return water, avoid influencing the flotation treatment effect of palm oil waste liquid.
In a preferred scheme, advance useless mechanism includes the water conservancy diversion casing, and the one side inner wall of water conservancy diversion casing is provided with the fulcrum, the one end fixedly connected with second step motor of fulcrum, and the outer wall isopycnic of fulcrum is fixed with a plurality of rotation grid plates, the one side inner wall of water conservancy diversion casing is provided with the grid plate, and the exit of water conservancy diversion casing is provided with a plurality of diaphragms, every be provided with a plurality of soft plastic sheets on the diaphragm.
Through being provided with into useless mechanism, when palm oil waste liquid, return water and flotation reagent enter into the water conservancy diversion casing simultaneously in, drive a plurality of rotation grid plates through the second step motor and rotate to the mixing of three is accelerated in the flow in-process, reinforces mixing efficiency, simultaneously through the setting of grid plate and soft plastic sheet, can make liquid get into steady state fast when getting into the reaction tank in, improves reaction efficiency.
From the above, a treatment process for waste liquid for producing palm oil comprises a reaction tank and a liquid storage tank, wherein the reaction tank is arranged right above the liquid storage tank, the bottom end of the reaction tank is provided with a plurality of underframes, the top end of the reaction tank is simultaneously provided with a plurality of reciprocating slide rods and oil skimmers, the opposite sides of the reaction tank are respectively provided with a waste discharge tank, the oil skimmers comprise waste discharge ports, the waste discharge ports of the oil skimmers correspond to the waste discharge tank, the top end of one side of the reaction tank is provided with a waste feeding mechanism, the top end of the waste feeding mechanism is tightly connected with a quantitative feeder, the bottom end of the opposite side of the reaction tank is provided with a liquid discharge pipe, the top end of the liquid storage tank and the bottom end of the liquid discharge pipe are provided with a filtering mechanism, the inner walls of two pairs of two sides of the liquid storage tank are respectively provided with overflow ports, the inner wall of the other side of the liquid storage tank is tightly connected with a quantitative pump, the junction of the quantitative pump and the waste discharge tank is provided with an electromagnetic valve, the output end of the quantitative pump is tightly connected with the waste feeding mechanism, the outer wall of the top end of the reaction tank stretches across the top end of the reaction tank and the top wall of the reaction tank is provided with a plurality of reciprocating slide rods, and the top plates are fixedly arranged on the top of the reciprocating slide rods and each top plate is respectively provided with a plurality of groups of oil-saving sets. The treatment process for the waste liquid for producing the palm oil has the technical effects of simultaneously realizing full utilization of backwater and quantitative control of flotation agents, ensuring the treatment effect and reducing the cost expenditure.
Drawings
Fig. 1 is a schematic diagram of the overall side view structure of a process for treating waste liquid for producing palm oil according to the present invention.
Fig. 2 is a schematic diagram of the other side of the treatment process of the waste liquid for producing palm oil according to the present invention.
Fig. 3 is a schematic diagram of a filtering mechanism of a process for treating waste liquid for producing palm oil according to the present invention.
Fig. 4 is a schematic diagram of a waste feeding mechanism of a waste liquid treatment process for producing palm oil according to the present invention.
Fig. 5 is a schematic diagram of the internal structure of a diversion shell of a waste liquid treatment process for producing palm oil according to the present invention.
In the figure: 1. a filtering mechanism; 2. a liquid discharge pipe; 3. an oil skimmer; 4. a reciprocating slide rod; 5. a blower; 6. a waste feeding mechanism; 7. a quantitative feeder; 8. a communicating pipe; 9. a fixed displacement pump; 10. a liquid storage tank; 11. a waste discharge tank; 12. an overflow port; 13. an electromagnetic valve; 14. a top plate; 15. a reaction tank; 16. a chassis; 101. an L-shaped bracket; 102. a spring; 103. a mounting frame; 104. surrounding the baffle; 105. a filter cloth; 106. a transmission rod; 107. an eccentric shaft; 108. a turntable; 109. a bottom bracket; 110. a stepping motor; 601. a soft plastic sheet; 602. a cross plate; 603. a deflector housing; 604. a second stepping motor; 605. rotating the grid plate; 606. a support shaft; 607. a grid plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
The invention discloses a waste liquid treatment process for producing palm oil, which is mainly applied to the scene of palm oil waste liquid treatment.
Referring to fig. 1 and 2, a process for treating waste liquid from palm oil production comprises a reaction tank 15 and a liquid storage tank 10, wherein the reaction tank 15 is arranged right above the liquid storage tank 10, a plurality of underframes 16 are arranged at the bottom end of the reaction tank 15, a plurality of reciprocating slide rods 4 and oil skimmers 3 are simultaneously arranged at the top end of the reaction tank 15, waste discharge tanks 11 are respectively arranged at opposite sides of the reaction tank 15, the oil skimmers 3 comprise waste discharge ports, the waste discharge ports of the oil skimmers 3 correspond to the waste discharge tanks 11, a waste feeding mechanism 6 is arranged at the top end of one side of the reaction tank 15, a quantitative feeder 7 is tightly connected at the top end of the waste feeding mechanism 6, a liquid discharge pipe 2 is arranged at the bottom end of the opposite side of the reaction tank 15, a filtering mechanism 1 is arranged at the top end of the liquid storage tank 10 and at the bottom end of the liquid discharge pipe 2, overflow ports 12 are respectively arranged at two pairs of inner walls of two sides of the liquid storage tank 10, a quantitative pump 9 is tightly connected at the inner walls of the other side of the liquid storage tank 10, the electromagnetic valve 13 is arranged at the joint of the quantitative pump 9 and the liquid storage tank 10, the output end of the quantitative pump 9 is tightly connected with the communicating pipe 8, the communicating pipe 8 is connected with the waste inlet mechanism 6, after the waste water generated by palm oil production is filtered by large slag, the waste liquid enters the reaction tank 15 from the waste inlet mechanism 6, the flotation process treatment of the waste liquid is realized under the action of the oil skimmers 3 and the air blower 5, the treated oil and impurities are discharged through the guide of the waste discharge tank 11, the liquid with flotation reagent enters the liquid storage tank 10 through the liquid discharge pipe 2, the liquid is filtered by small particles through the filtering mechanism 1 in the process, the secondary utilization of backwater is avoided, the backwater is stored in the liquid storage tank 10, when the backwater is secondarily utilized, the backwater is pumped into the waste inlet mechanism 6 through the quantitative pump 9, and backwater is finished in the waste inlet mechanism 6, the mixing of new flotation reagent and waste liquid, in-process, direct quantitative restriction carries out when the waste liquid gets into, also can carry out quantitative restriction to the return water 10 of mixing under the effect of proportioning pump 9, mixes return water and waste liquid according to certain proportion to can calculate approximate flotation reagent single demand, and accurately add through quantitative feeder 7, realize the make full use of return water and the quantitative control of flotation reagent simultaneously, reduce cost expenditure when guaranteeing the treatment effect.
Referring to fig. 1 and 2, in a preferred embodiment, the top outer wall of the reaction tank 15 spans a top plate 14, and a plurality of air blowers 5 are fixed to the top plate 14, the top inner wall of the reaction tank 15 is provided with a plurality of sets of reciprocating slide rods 4, and each oil skimmer 3 is respectively provided on each set of reciprocating slide rods 4.
Referring to fig. 3, in a preferred embodiment, the filtering mechanism 1 includes a surrounding baffle 104, and a filter cloth 105 is clamped in the surrounding baffle 104, the surrounding baffle 104 is located above the liquid storage tank 10, and a transmission rod 106 is connected to one side of the surrounding baffle 104.
Referring to fig. 3, in a preferred embodiment, an eccentric shaft 107 is movably clamped in a transmission rod 106, a turntable 108 is fixed at the bottom end of the eccentric shaft 107, and a stepping motor 110 is fixedly connected to the center of the bottom end of the turntable 108.
Referring to fig. 3, in a preferred embodiment, a bottom bracket 109 is fixedly coupled to a bottom end of the stepping motor 110, and an output shaft of the stepping motor 110 passes through the bottom bracket 109, and a plurality of mounting frames 103 are provided around an outer wall of an opposite side of the barrier 104.
Referring to fig. 3, in a preferred embodiment, the inner wall of each mounting frame 103 is respectively provided with a spring 102, the other end of the spring 102 is fixedly connected with an L-shaped bracket 101, the L-shaped bracket 101 is fixed on one side of the liquid storage tank 10, when the filtering mechanism filters small particles of backwater, backwater discharged by the liquid discharge pipe 2 is flushed on the filter cloth 105, the stepping motor 110 drives the turntable 108 to rotate, in the moving process of the eccentric shaft 107, the transmission rod 106 drives the surrounding baffle 104 and the filter cloth 105 to shake along the rotating path of the turntable 108, and meanwhile, the spring 102 deforms, and the filter cloth 105 is unstable to shake, so that the accumulation and blockage of the small particles can be effectively avoided, the filtering effect of backwater is ensured, and the flotation treatment effect of palm oil waste liquid is prevented from being influenced.
Referring to fig. 4 and 5, in a preferred embodiment, the waste feeding mechanism 6 includes a guide housing 603, a support shaft 606 is provided on one side inner wall of the guide housing 603, one end of the support shaft 606 is fixedly connected with a second stepping motor 604, and a plurality of rotation grids 605 are fixed on the outer wall of the support shaft 606 at equal density.
Referring to fig. 4 and 5, in a preferred embodiment, a grid 607 is disposed on an inner wall of one side of a diversion housing 603, a plurality of cross plates 602 are disposed at an outlet of the diversion housing 603, and a plurality of soft plastic sheets 601 are disposed on each cross plate 602, so that when palm oil waste liquid, backwater and flotation agent enter the diversion housing 603 at the same time, the plurality of rotating grids 605 are driven to rotate by a second stepping motor 604, thereby accelerating mixing of the three in the flowing process, enhancing mixing efficiency, and simultaneously, by the arrangement of the grids 607 and the soft plastic sheets 601, when unstable mixed liquid in a moving state is discharged, the grids 607 stabilize the mixed liquid in one round, and after the mixed liquid is discharged, two rounds of stable are formed by blocking of the multi-layer soft plastic sheets 601, so that the mixed liquid can quickly enter a stable state when entering a reaction tank 15, and reaction efficiency is improved.
Working principle: after filtering the waste water generated by palm oil production with big slag, the waste liquid enters the reaction tank 15 from the waste inlet mechanism 6, the flotation process treatment of the waste liquid is realized under the action of a plurality of oil skimming devices 3 and air blowing machines 5, the treated oil and impurities are discharged through the guide of the waste discharge tank 11, the liquid with flotation reagent enters the liquid storage tank 10 through the liquid discharge pipe 2, the liquid is filtered by small particles through the filtering mechanism 1 in the process, the secondary utilization of backwater is avoided, backwater is stored in the liquid storage tank 10, when the backwater is reused, the backwater is pumped into the waste inlet mechanism 6 through the quantitative pump 9, the mixture of backwater, new flotation reagent and waste liquid is completed in the waste inlet mechanism 6, the quantitative restriction is directly carried out when the waste liquid enters, the quantitative restriction can be carried out on the mixed backwater 10 under the action of the quantitative pump 9, the return water and the waste liquid are mixed according to a certain proportion, so that the approximate single demand of the flotation reagent can be calculated, the return water is accurately added through the quantitative feeder 7, the full utilization of the return water and the quantitative control of the flotation reagent are realized, the cost expenditure is reduced while the treatment effect is ensured, when the palm oil waste liquid, the return water and the flotation reagent enter the diversion shell 603 at the same time, the second stepping motor 604 drives the plurality of rotating grid plates 605 to rotate, the mixing efficiency of the three is accelerated in the flowing process, the mixing efficiency is enhanced, meanwhile, the grid plates 607 stabilize the unstable mixed liquid in the moving state through the arrangement of the grid plates 607 and the soft plastic sheets 601, two rounds of stabilization are formed through the blocking of the multi-layer soft plastic sheets 601 after the unstable mixed liquid is discharged, so that the palm oil waste liquid, the return water and the flotation reagent can quickly enter the stable state when entering the reaction tank 15, and the reaction efficiency is improved, when filtering mechanism filters the tiny particle of return water, fluid-discharge tube 2 exhaust return water erodees on filter cloth 105, step motor 110 drives carousel 108 and rotates this moment, at the in-process that eccentric shaft 107 removed, drive through transfer line 106 and encircle baffle 104 and filter cloth 105 along carousel 108's rotation route and rock, spring 102 produces deformation simultaneously, unstable rock through filter cloth 105, can effectively avoid piling up and the jam of tiny particle, guarantee the filter effect of return water, avoid influencing the flotation treatment effect of palm oil waste liquid.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. The utility model provides a waste liquid treatment process for producing palm oil, includes reaction tank (15) and reservoir (10), its characterized in that, reaction tank (15) sets up directly over reservoir (10), and the bottom of reaction tank (15) is provided with a plurality of chassis (16), the top of reaction tank (15) is provided with a plurality of reciprocal slide bars (4) and oil skimming ware (3) simultaneously, and the relative both sides of reaction tank (15) are provided with exhaust groove (11) respectively, oil skimming ware (3) include the exhaust mouth, and the exhaust mouth of oil skimming ware (3) corresponds to exhaust groove (11), one side top of reaction tank (15) is provided with into waste mechanism (6), and the top zonulae occludens of advancing waste mechanism (6) has ration feeder (7), the opposite side bottom of reaction tank (15) is provided with fluid-discharge tube (2), and the top of reservoir (10), the bottom of fluid-discharge tube (2) is provided with filter mechanism (1), the overflow both sides inner wall of reservoir (10) are provided with exhaust port (12) respectively, and the other side overflow pipe (9) is provided with the delivery pump (9) of delivery pump (9) and the output of delivery pump (9) are connected closely, and link to each other with advance useless mechanism (6) by way of pipe (8), filtering mechanism (1) are including encircling baffle (104), and encircle in baffle (104) joint have filter cloth (105), encircle the top that baffle (104) is located reservoir (10), and encircle one side of baffle (104) and be connected with transfer line (106), movable joint has eccentric shaft (107) in transfer line (106), and the bottom mounting of eccentric shaft (107) has carousel (108), the bottom centre of a circle position fixedly connected with step motor (110) of carousel (108), the bottom fixedly connected with bottom bracket (109) of step motor (110), and the output shaft of step motor (110) passes bottom bracket (109), encircle the opposite side outer wall of baffle (104) and be provided with a plurality of mounting brackets (103), every the inner wall of mounting bracket (103) is provided with spring (102) respectively, and the other end fixedly connected with L type support (101) of spring (102), L type support (101) are fixed in one side of reservoir (10).
2. A process for treating waste liquid from palm oil production according to claim 1, wherein the top outer wall of the reaction tank (15) is spanned with a top plate (14), a plurality of air blowers (5) are fixed on the top plate (14), the top inner wall of the reaction tank (15) is provided with a plurality of groups of reciprocating slide rods (4), and each oil skimmer (3) is respectively arranged on each group of reciprocating slide rods (4).
3. The process for treating the waste liquid for producing the palm oil according to claim 1, wherein the waste feeding mechanism (6) comprises a diversion shell (603), a supporting shaft (606) is arranged on the inner wall of one side of the diversion shell (603), one end of the supporting shaft (606) is fixedly connected with a second stepping motor (604), and a plurality of rotating grid plates (605) are fixed on the outer wall of the supporting shaft (606) in an isopycnic mode.
4. A process for treating a waste liquid from palm oil production according to claim 3, wherein a grid plate (607) is provided on an inner wall of one side of the guide housing (603), and a plurality of cross plates (602) are provided at an outlet of the guide housing (603), and a plurality of soft plastic sheets (601) are provided on each cross plate (602).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310380611.2A CN116282741B (en) | 2023-04-11 | 2023-04-11 | Treatment process of waste liquid from palm oil production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310380611.2A CN116282741B (en) | 2023-04-11 | 2023-04-11 | Treatment process of waste liquid from palm oil production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116282741A CN116282741A (en) | 2023-06-23 |
| CN116282741B true CN116282741B (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310380611.2A Active CN116282741B (en) | 2023-04-11 | 2023-04-11 | Treatment process of waste liquid from palm oil production |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2711139Y (en) * | 2004-06-04 | 2005-07-20 | 徐晓军 | Novel and external placed type mechanical air-spreading and dissolving type air-floating column |
| JP2007061732A (en) * | 2005-08-31 | 2007-03-15 | Nikko Kinzoku Kk | Method for treating waste oil |
| KR100921244B1 (en) * | 2008-10-23 | 2009-10-12 | 전주시 | Food waste water processing apparatus used dissolved air flotation unit |
| CN111392920A (en) * | 2020-05-18 | 2020-07-10 | 宫传奇 | High-efficient micro-nano air supporting sewage treatment plant |
| CN211470847U (en) * | 2019-12-23 | 2020-09-11 | 成都克万机械设备技术服务有限公司 | Bubble type waste residue and waste liquid separator |
| CN217961441U (en) * | 2022-07-12 | 2022-12-06 | 昆明盛必达涂料有限公司 | Be used for environmental protection coating to filter particles equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9181107B2 (en) * | 2012-04-02 | 2015-11-10 | John H. Reid | Dissolved air flotation and equalization reactor wastewater treatment tank |
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