CN105435514A - Centrifugation water treatment method and device - Google Patents
Centrifugation water treatment method and device Download PDFInfo
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- CN105435514A CN105435514A CN201510932673.5A CN201510932673A CN105435514A CN 105435514 A CN105435514 A CN 105435514A CN 201510932673 A CN201510932673 A CN 201510932673A CN 105435514 A CN105435514 A CN 105435514A
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- water
- centrifugal
- water inlet
- centrifugal basket
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention discloses a centrifugation water treatment device. The centrifugation water treatment device comprises a cylinder housing (1), a centrifugation rotating cylinder (2), a water separator (4), a motor (5), a core filter screen (10) of the centrifugation rotating cylinder, a centrifugation rotating cylinder base plate (6), a water pump motor and a water pump (12), water inlet shaft water outlet holes (13), a water inlet shaft fixing nut (14), a water pump water inlet, a water inlet tank, a water inlet shaft driving disc (9), a water inlet driving shaft and a water inlet shaft water inlet hole. The centrifugation rotating cylinder and the water separator are integrated and the vertical section of the integrated structure is in a shape of I. Inlet water is fed into a water tank through the water pump motor and the water pump. The water inlet tank is communicated with the water inlet driving shaft with the water inlet shaft water inlet hole and a hollow channel. A water outlet end of the water inlet shaft is connected to the water separator. Outlet water from the water separator is located at a position 150mm or more away from the radius of the water inlet shaft. The motor drives the water inlet shaft driving disc and the water inlet shaft so that the centrifugation rotating cylinder is driven to carry out high speed centrifugation separation.
Description
Technical field
The present invention relates to a kind of centrifugal water processing method and equipment, especially the centrifugal separation equipment of special construction.
Background technology
Centrifugal filtration type separation equipment is generally network structure, has the advantages that to affect by aperture of filter screen, and easily blocks filter screen.
Aquaculture water ecological environment is owing to excessively pursuing high yield, and serious eutrophication in water, water quality is severe, and dissolved oxygen reduces, and aquatic products death brings serious economic loss to raiser.
The process of general raiser to Chi Shui is exactly oxygenation and changes Chi Shui.The oxygenation algae that can not disappear is effected a permanent cure, and due to serious Water Eutrophication, oxygenation effect is not obvious.Change Chi Shui, Chi Shui is entered rivers and lakes, has a strong impact on environment, be unfavorable for the normal circulation of natural environment, affect the living environment of the mankind.
Especially as blue-green algae spread unchecked time, how going out to float with a kind of centrifugal separation equipment of special construction and solid matter---the blue-green algae of small particle diameter, is also a quite insoluble problem.
Summary of the invention
The present invention seeks to; for above-mentioned situation; the centrifugal water processing method a kind of light, economic, convenient, simple to operate of design and device; also can eliminate and killing blue algae; effectively can control that feed in water is residual, aquatic products excreta, algae, reduce water body eutrophication, increase water quality and aquatic products; protection of the environment, improves the economic benefit of raiser.
Technical scheme of the present invention is, centrifugal water processing method, inlet water tank 16 is entered by compression pump force (forcing) pump water, inlet water tank is communicated with the water inlet driving shaft 17 with hollow duct, the water side of water inlet axle is provided with water knockout drum 4, water knockout drum 4 make water outlet in the position of more than the 150mm apart from water inlet axle radius, water inlet axle is separated with centrifugal basket 2 high speed centrifugation, be provided with barrel shrond and cover centrifugal basket 2, centrifugal basket is provided with core filter screen 10 and is discharged from core by water, impurities in water adsorbs or is deposited on centrifugal basket lower wall outer rim (periodic cleaning) in barrel shrond, clear water flows out centrifugal basket by centrifugal basket core filter screen 10 is discharged by casing apopore, again pond can be flowed into.
When water outlet is when intaking the upper end of axle, centrifugal basket 2 and water knockout drum 4 are integral structures, and its longitudinal section is I shape, cross section be I shape upper lower burrs between be provided with some connection blades, especially distribute 2-6 sheet blade in circumference, makes centrifugal basket drive the better effects if of water.Cross section is the lower wall of I shape is cone point cone upwards, and coning angle is 150-175 degree.
Compression pump is pressurized to inlet water tank (storage tank) and carries out pressurized treatment, carries out broken wall (compression pump is pressurized to 4-6KG, i.e. 0.4-0.6MPa) by water pressure to blue-green algae, destroy blue-green algae air bag, its rupture of membranes is killed, increase unit weight, make it lose buoyancy, improve centrifugal effect.
Centrifugal water treatment facility, is characterized in that comprising barrel shrond 1, centrifugal basket 2, water knockout drum 4, motor 5, the core filter screen 10 of centrifugal basket, centrifugal basket base plate 6, pump motor and water pump 12, axle apopore 13 of intaking, water inlet axle hold-down nut 14, pump intake 15, inlet water tank 16, water inlet axle driving-disc 9, water inlet driving shaft 17, water inlet axle (wall) inlet opening 18, centrifugal basket and water knockout drum are integral structures, its longitudinal section is I shape, intake by pump motor and water pump press-in inlet water tank, inlet water tank is communicated with the water inlet driving shaft had into water axle inlet opening and hollow duct, the water outlet termination water knockout drum of water inlet axle, water knockout drum make water outlet in the position of more than the 150mm apart from water inlet axle radius, motor drives water inlet axle driving-disc to be separated with centrifugal basket high speed centrifugation with water inlet axle, barrel shrond covers centrifugal basket, water is arranged by the core filter screen of centrifugal basket from core, discharged by centrifugal basket lower shoe apopore, centrifugal basket fixed by water inlet axle hold-down nut.P is the pressure gauge of storage tank.
When water outlet is when intaking the upper end of axle, centrifugal basket 2 and (discoid) water knockout drum 4 are integral structures, its longitudinal section is I shape, cross section be I shape upper lower burrs between be provided with some connection blades, especially distribute 2-12 sheet blade or more in circumference, makes centrifugal basket drive the better effects if of water.Cross section is the lower wall of I shape is cone point cone upwards, and coning angle is 150-175 degree.
Beneficial effect of the present invention: structure of the present invention is simple, rationally, is suitable for different water quality systems, easy and safe to operate, good to working environment adaptability, without particular/special requirement, can all-weather work in 24 hours.The centrifugal water processing method a kind of light, economic, convenient, simple to operate of design and device, this centrifugal device, can be used for professional Separation of Solid and Liquid, the fine impurity even impurity of floatability in point drainage, thus makes water correction; Good separating effect, without the worry of blocking filter opening, also can eliminate and be separated blue-green algae with killing, effectively can control that feed in water is residual, aquatic products excreta, algae, reduce water body eutrophication, increase water quality and aquatic products, protection of the environment, improve the economic benefit of raiser.
Four, accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the plan structure schematic diagram of rotating cylinder of the present invention;
Fig. 3 is the structure for amplifying schematic diagram at the positions such as inlet water tank of the present invention.
Fig. 4 is water outlet recoiling device.
Five, detailed description of the invention
As shown in the figure, 1, dividing blade and demarcation strip on the apopore (osculum) 9 of casing 2, centrifugal basket 3, cage 4, point (cloth) hydrophone 5, drive motors 6, centrifugal basket base plate 7, support (mounting base) 8, shell casing, water inlet driving-disc 10, centrifugal basket core filter screen 11, outer shell base 12, water pump and motor 13, water inlet axle apopore 14, hold-down nut 15, pump intake 16, inlet water tank (storage tank) 17, water inlet driving shaft 18, driving shaft inlet opening 19, apopore (can be water outlet recoiling device) 20, rotating cylinder; P is the pressure gauge of storage tank.
The pressurization of water pump pump water enters storage tank, enters whizzer through being distributed in the water hole on power water inlet axle.By water inlet 15, water inlet axle 17, water knockout drum 4, in centrifugal basket 2, high speed centrifugation is separated, and impurities in water is adsorbed on centrifugal basket wall (periodic cleaning), clear water flows out centrifugal basket by centrifugal basket (core) filter screen 10, again flows into pond.
Power water inlet axle have motor to drive or clear water flows out centrifugal basket by centrifugal basket filter screen 10 time, drive water inlet axle to rotate (by class hydraulic turbine structure) by a water recoil structure.
Current division box, is supplied water to the outside of top certain radius by center transmission shaft, makes uniform fluid flow be distributed to drum wall by division box, makes water quality have a preliminary centrifugation.
Dividing blade and demarcation strip (blade) 20 on current separating device and rotating cylinder, because current viscosity is lower, obtain and centrifugal basket synchronous rotational speed, in cylindrical shell, install dividing plate, make water body have stable centrifugal force, thus reach that water is assorted to be separated.If do not adopt blade, then rotating speed will reach more than 2500 revs/min, just can reach identical centrifugal effect (as long as when arranging blade about 1000 revs/min).Above equipment for separating liquid from solid is core of the present invention, and the present invention's design is continuous seepage, and water body is flowing in centrifugal basket, must pass through filter, and guarantee clear water is separated with impurity.The core filter screen of centrifugal clean water through centre or filter opening are back to below rotating cylinder discharges.
Centrifugal basket discharging device: water direction is that the nearly horizontal direction of rotating cylinder (by adjustment angle) increases repercussion effect; Vertical direction adjusts 0 °-90 ° as required and (sprays from the tangential direction of delivery port, as shown in Figure 4).Water outlet transmission water conservancy diversion flat board (recoil), can make plane or streamline construction as required, streamline construction is conducive to the uniformity of water outlet, makes centrifugal effect reach better.
Concentrator bowl drive unit, the upper end of water inlet axle is fixed by hold-down nut 14 and concentrator bowl,
2. power is driven by motor.
2. rotating cylinder power reaches driving object by rotating cylinder discharge pressure recoil adjustment angle.See delivery port recoiling device.
The protection of centrifugal basket: because centrifugal basket is a high-speed rotary body, the water outlet recoil in concentrator bowl, shell energy effective guarantee safety, splashproof.
The conical design of centrifugal basket can make impurities in water more effectively be separated, and accumulation of impurities is below centrifugal basket wall.Centrifugation: adopt the application of centrifugal principle in mechanism process.This device can be used for the assorted separation of all water.
Centrifugal basket 2 and water knockout drum 4 are integral structures, its longitudinal section is I shape, water inlet is pressed into inlet water tank 16 by pump motor and water pump 12, inlet water tank is communicated with the water inlet axle 17 had into water axle water inlet cinclides 18 and hollow duct, the water side of water inlet axle is provided with discoid water knockout drum 4, water knockout drum 4 make water outlet in the position of more than the 150mm apart from water inlet axle radius, i.e. disk diameter 150mm or longer, motor drives water inlet axle driving-disc 9 to be separated with centrifugal basket 2 high speed centrifugation with water inlet axle, barrel shrond covers centrifugal basket 2, centrifugal basket is provided with core filter screen 10 by water from discharging device 19 rows, by support cylinder lower shoe apopore 8, centrifugal basket 3 fixed by water inlet axle hold-down nut 14.P is the pressure gauge of storage tank;
When water outlet is when intaking the upper end of axle, centrifugal basket 2 and water knockout drum 4 are integral structures, its longitudinal section is I shape, cross section be I shape upper lower burrs between be provided with some connection blades, especially distribute 2-12 sheet blade in circumference, 3-6 sheet is commonly used, more also can, make centrifugal basket drive the better effects if of water.Cross section is the lower wall of I shape is cone point cone upwards, and coning angle is 150-175 degree.
Target of the present invention:
1, the harm of aquaculture algae:
In eutrophic water body, algae having the greatest impact to water quality, alga eruption causes water quality deterioration, and a large amount of consumption water oxygen gas, cause fish kills, algae death produces toxin, directly produces toxin to fish, people, animal.
2, feed residue and the excremental harm of aquatic products:
In water body, feed remains and produces a large amount of ammonia nitrogens with aquatic products excreta, makes water quality punish severely eutrophication, reduces dissolved oxygen in water, provides nutrition, affect water quality, cause the death of aquatic products to alga eruption.
3, processing mode
The present invention adopts centrifugal treating impurities in water and HIGH PRESSURE TREATMENT to kill blue-green algae.
Treatment step:
1. water pump adopts high pressure (centrifugal) water pump of 4-6KG, and water is pressurized to 4-5KG, makes that the gas in algae is former to break, and kills blue-green algae.
2., kill blue-green algae and be mixed with feed residue, the water quality of the mud impurity in aquatic products excreta and water passes through water inlet, water inlet axle, water knockout drum, in centrifugal basket, high speed centrifugation is separated, impurities in water is adsorbed on centrifugal basket inwall (periodic cleaning), clear water flows out centrifugal basket by filter screen, again flows into pond.
3. this centrifugal device, can be used for professional Separation of Solid and Liquid, fine impurity in point drainage, thus water quality change is become clean clearly.
By water pressure, broken wall (4-6KG) is carried out to blue-green algae, destroy blue-green algae air bag, killed, increase unit weight, make it lose buoyancy, improve centrifugal effect.
Main structure of the present invention:
Water intake mode: current enter storage tank by pressurization, enters whizzer through the water hole be distributed on line shaft.Can be assembled into the structure (dotted line above Fig. 1 mesochite can be water inlet) of upper water inlet or lower water inlet.
Current division box 4, is supplied water to top by center transmission shaft, makes uniform fluid flow be distributed to rotating cylinder inwall by division box, makes water quality have a preliminary centrifugation.
Current separating device 20, because current viscosity is lower, obtain and centrifugal basket synchronous rotational speed, in cylindrical shell, install dividing plate, make water body have stable centrifugal force, thus reaches the assorted separation of water.
The equipment for separating liquid from solid 10 that centrifugal basket is formed: the design is continuous seepage, water body is flowing in centrifugal basket, must pass through filter, and guarantee clear water is separated with impurity.Centrifugal clean water is back to the generous discharge of rotating cylinder through center filter opening.
Centrifugal basket discharging device 19,1. water outlet direction is rotating cylinder ground wire horizontal direction, and direction adjusts 0 °-90 ° as required.Water outlet transmission water conservancy diversion is dull and stereotyped, and can make plane or streamline construction as required, streamline construction is conducive to the uniformity of water outlet, makes centrifugal effect reach better.
Concentrator bowl drive unit 19,5
1. power is driven by motor.
2. cylinder power reaches driving object by rotating cylinder discharge pressure recoil adjustment angle.
Shell: because centrifugal basket is a high-speed rotary body, the water outlet recoil in concentrator bowl, protecting sheathing energy effective guarantee safety, splashproof.
The conical design of centrifugal basket 2 can make impurities in water more effectively be separated, and accumulation of impurities is below centrifugal basket inwall.Centrifugation: adopt the application of centrifugal principle in mechanism process.This device can be used for the assorted separation of all water.
The foregoing is only more excellent embodiment of the present invention, not in order to limit the present invention, any amendment in all institutes within the spirit and principles in the present invention dwelling, equivalent replacement and improvement etc., all should within protection category of the present invention.
Claims (7)
1. centrifugal water processing method, it is characterized in that entering inlet water tank by compression pump force (forcing) pump water, inlet water tank is communicated with the water inlet driving shaft with hollow duct, the water side of water inlet axle is provided with water knockout drum, water knockout drum make water outlet in the position of more than the 150mm apart from water inlet axle radius, water inlet axle is separated with centrifugal basket high speed centrifugation, be provided with barrel shrond and cover centrifugal basket, centrifugal basket is provided with core filter screen and is discharged from core by water, impurities in water adsorbs or is deposited on centrifugal basket lower wall outer rim in barrel shrond, and clear water flows out centrifugal basket by centrifugal basket core filter screen; Again pond can be flowed into.
2. centrifugal water processing method according to claim 1, it is characterized in that when water outlet is when intaking the upper end of axle, centrifugal basket 3 and water knockout drum 4 are integral structures, its longitudinal section is I shape, cross section be I shape upper lower burrs between be provided with some connection blades, especially distribute 2-12 sheet blade in circumference, makes centrifugal basket drive the better effects if of water.Cross section is the lower wall of I shape is cone point cone upwards, and coning angle is 150-175 degree.
3. centrifugal water processing method according to claim 1, it is characterized in that compression pump is pressurized to inlet water tank (storage tank) and carries out pressurized treatment, by water pressure, broken wall is carried out to blue-green algae, compression pump is pressurized to 4-6KG, i.e. 0.4-0.6MPa, destroys blue-green algae balloon membranes, its rupture of membranes is killed, increase unit weight, make it lose buoyancy, improve centrifugal effect.
4. centrifugal water treatment facility, is characterized in that comprising barrel shrond (1), centrifugal basket (2), water knockout drum (4), motor (5), the core filter screen (10) of centrifugal basket, centrifugal basket base plate (6), pump motor and water pump (12), axle apopore (13) of intaking, water inlet axle hold-down nut (14), pump intake (15), inlet water tank (16), water inlet axle driving-disc (9), water inlet driving shaft (17), water inlet axle inlet opening (18), centrifugal basket and water knockout drum are integral structures, its longitudinal section is I shape, intake by pump motor and water pump press-in inlet water tank, inlet water tank is communicated with the water inlet driving shaft had into water axle inlet opening and hollow duct, the water outlet termination water knockout drum of water inlet axle, water knockout drum make water outlet in the position of more than the 150mm apart from water inlet axle radius, motor drives water inlet axle driving-disc to be separated with centrifugal basket high speed centrifugation with water inlet axle, barrel shrond covers centrifugal basket, water is arranged by the core filter screen of centrifugal basket from core, discharged by centrifugal basket lower shoe apopore, centrifugal basket fixed by water inlet axle hold-down nut.
5. centrifugal water treatment facility according to claim 4, is characterized in that centrifugal basket and water knockout drum are integral structures, and its longitudinal section is I shape when water outlet is when intaking the upper end of axle, cross section be I shape upper lower burrs between be provided with some connection blades.
6. centrifugal water treatment facility according to claim 5, is characterized in that the 2-12 sheet blade (20) that distributes in centrifugal basket circumference, makes centrifugal basket drive the better effects if of water.
7. centrifugal water treatment facility according to claim 5, it is characterized in that centrifugal basket cross section be the lower wall of I shape is cone point cone upwards, coning angle is 150-175 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510932673.5A CN105435514A (en) | 2015-12-15 | 2015-12-15 | Centrifugation water treatment method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510932673.5A CN105435514A (en) | 2015-12-15 | 2015-12-15 | Centrifugation water treatment method and device |
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| CN105435514A true CN105435514A (en) | 2016-03-30 |
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| CN201510932673.5A Pending CN105435514A (en) | 2015-12-15 | 2015-12-15 | Centrifugation water treatment method and device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107417069A (en) * | 2017-09-12 | 2017-12-01 | 云南飞隆劳尔设备有限公司 | A kind of filter cartridge type sludge concentration device automatically controlled |
| CN108211512A (en) * | 2018-02-12 | 2018-06-29 | 杨露萍 | A kind of centrifugal industry pulp moisture extraction element with energy-saving environmental-protection function |
| CN111491739A (en) * | 2017-12-19 | 2020-08-04 | 巴工业株式会社 | Disc type centrifugal separator |
| CN113461271A (en) * | 2021-07-26 | 2021-10-01 | 陕西省环境科学研究院 | Intensive device and method for rural black and odorous water body treatment |
| CN114247211A (en) * | 2022-03-02 | 2022-03-29 | 山东沃华远达环境科技股份有限公司 | Medical sewage treatment device based on centrifugal separation is carried out floater |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4911847A (en) * | 1983-12-20 | 1990-03-27 | Membrex, Inc. | Process for controlling the permeate composition in a rotary filtration device |
| CN1241148A (en) * | 1996-12-20 | 2000-01-12 | 伊斯曼化学公司 | Method for dewatering microalgae with bubble column |
| CN101745263A (en) * | 2008-12-19 | 2010-06-23 | 张家港圣美意机械有限公司 | Shunt-type centrifugal filter |
| CN201930627U (en) * | 2010-11-23 | 2011-08-17 | 朱明江 | Biogas slurry and residue separator |
| CN103830952A (en) * | 2014-03-26 | 2014-06-04 | 李春崇 | Vertical rotary filter |
-
2015
- 2015-12-15 CN CN201510932673.5A patent/CN105435514A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4911847A (en) * | 1983-12-20 | 1990-03-27 | Membrex, Inc. | Process for controlling the permeate composition in a rotary filtration device |
| CN1241148A (en) * | 1996-12-20 | 2000-01-12 | 伊斯曼化学公司 | Method for dewatering microalgae with bubble column |
| CN101745263A (en) * | 2008-12-19 | 2010-06-23 | 张家港圣美意机械有限公司 | Shunt-type centrifugal filter |
| CN201930627U (en) * | 2010-11-23 | 2011-08-17 | 朱明江 | Biogas slurry and residue separator |
| CN103830952A (en) * | 2014-03-26 | 2014-06-04 | 李春崇 | Vertical rotary filter |
Non-Patent Citations (1)
| Title |
|---|
| 张佰清等: "《食品机械与设备》", 31 January 2012, 郑州大学出版社 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107417069A (en) * | 2017-09-12 | 2017-12-01 | 云南飞隆劳尔设备有限公司 | A kind of filter cartridge type sludge concentration device automatically controlled |
| CN111491739A (en) * | 2017-12-19 | 2020-08-04 | 巴工业株式会社 | Disc type centrifugal separator |
| CN111491739B (en) * | 2017-12-19 | 2022-06-03 | 巴工业株式会社 | Disc type centrifugal separator |
| CN108211512A (en) * | 2018-02-12 | 2018-06-29 | 杨露萍 | A kind of centrifugal industry pulp moisture extraction element with energy-saving environmental-protection function |
| CN113461271A (en) * | 2021-07-26 | 2021-10-01 | 陕西省环境科学研究院 | Intensive device and method for rural black and odorous water body treatment |
| CN113461271B (en) * | 2021-07-26 | 2022-07-01 | 陕西省环境科学研究院 | Intensive device and method for rural black and odorous water body treatment |
| CN114247211A (en) * | 2022-03-02 | 2022-03-29 | 山东沃华远达环境科技股份有限公司 | Medical sewage treatment device based on centrifugal separation is carried out floater |
| CN114247211B (en) * | 2022-03-02 | 2022-05-06 | 山东沃华远达环境科技股份有限公司 | Medical sewage treatment device based on centrifugal separation is carried out floater |
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