CN102601097A - Device and method for separating solid impurities and oil in kitchen waste - Google Patents
Device and method for separating solid impurities and oil in kitchen waste Download PDFInfo
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- CN102601097A CN102601097A CN2012100522021A CN201210052202A CN102601097A CN 102601097 A CN102601097 A CN 102601097A CN 2012100522021 A CN2012100522021 A CN 2012100522021A CN 201210052202 A CN201210052202 A CN 201210052202A CN 102601097 A CN102601097 A CN 102601097A
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Abstract
The invention relates to a device and a method for separating solid impurities and oil in kitchen waste. The device comprises a solid-liquid separation device and an oil-water separation device, wherein the solid-liquid separation device and the oil-water separation device are internally provided with stirring paddles; the solid-liquid separation device is provided with a loading hopper; the upper part of the solid-liquid separation device is connected with a rotary separation sieve I; the rotary separation sieve I is connected with a material delivery pump I; the lower part of the solid-liquid separation device is provided with a slag discharge valve and connected with a rotary separation sieve II; the rotary separation sieve II is connected with a material delivery pump III; the side surface, which is close to the bottom, of the solid-liquid separation device is connected with a material delivery pump II through a material discharge hole; the material delivery pump I, the material delivery pump II and the material delivery pump III are connected with the oil-water separation device; the upper part of the oil-water separation device is connected with an oil discharge pipe; the side surface, which is close to the bottom, of the oil-water separation device is connected with a material discharge pipe; and the lower part of the oil-water separation device is connected with a slag discharge pipe. The device and the method have the beneficial effects that the harmless treatment of the kitchen waste can be realized; in the treatment process, the labor environment is good, and the periphery is not influenced by odor, and biological energy supply is increased.
Description
Technical field
The present invention relates to a kind of technology of garbage disposal, especially a kind of apparatus and method of separating solid impurity and grease in the kitchen castoff.
Background technology
The annual kitchen castoff amount that produces of China is big, each big main cities kitchen castoff day generation all more than 1000 tons.For a long time, China does not carry out concrete management to kitchen castoff, causes a large amount of wastes of organic resource.On the other hand, China is faced with problems such as the environmental pollution low and that energy-consuming causes of fossil energy wretched insufficiency, efficiency of energy utilization is serious.The kitchen castoff content of organic matter is high, and abundant nutrients is desirable anaerobism biogas energy matrix.Utilize the kitchen castoff anaerobic fermentation to obtain energy substance, be of great practical significance for solving serious day by day kitchen castoff problem of environmental pollution of China and energy crisis.Say from the angle of edible safety, can not be used for animal edible, otherwise produce the healthy incident of harm humans such as waste oil, swill pig, swill duck.Utilize kitchen castoff to carry out recovery energy, can not only remedy the breach of China's energy, and can solve serious environmental hygienic issues day by day, realize the harmless treatment of kitchen castoff, can achieve many things at one stroke.
The kitchen castoff main component is starchy food, leftovers, grease and moisture, also contains impurity such as the polybag lighter than water, plastic cup, plastic bottle, lunch box, chopsticks, impurity such as the bone heavier than water, glass, pottery, metal, silt.These impurity then can influence follow-up water-oil separating and biogas fermentation if do not remove, blocking pipeline and equipment, even cause the conveying equipment fault.Common treating method is with a shaker screen screening, puts geosyncline then into, and the manual secondary letter sorting is transported to downstream unit again.The shortcoming of disposing like this is that labour intensity is big, and process is uncovered, and stink is big, and rubbish is scattered many, work under bad environment.
Summary of the invention
The present invention will solve the shortcoming of above-mentioned prior art, and the apparatus and method of solid impurity and grease in the separation kitchen castoff that a kind of automaticity is high, system is airtight, effective are provided.
The present invention solves the technical scheme that its technical problem adopts: the device of solid impurity and grease in this separation kitchen castoff; Comprise equipment for separating liquid from solid, oil water separator, be equipped with paddle in equipment for separating liquid from solid and the oil water separator, equipment for separating liquid from solid is provided with loading hopper; Equipment for separating liquid from solid top is connected with rotation bolter I rotation bolter I and is connected with material-handling pump I; The equipment for separating liquid from solid bottom is provided with residual cake valve and connects rotates bolter II, switches through moving bolter II and is connected with material-handling pump II, and equipment for separating liquid from solid is connected with material-handling pump II near bottom sides through discharge gate; Material-handling pump I, material-handling pump II and material-handling pump III all are connected with oil water separator; Oil water separator top is connected with flowline, and oil water separator is connected with drainage conduit near bottom sides, and the oil water separator bottom is connected with scum pipe.
As preferably, said equipment for separating liquid from solid and oil water separator are provided with coil pipe outward.
As preferably, said material-handling pump I, material-handling pump II and material-handling pump III adopt slush pump.
As preferably, a kind of method of separating solid impurity and grease in the kitchen castoff, may further comprise the steps: the transport vehicle that 1) kitchen castoff will be housed directly is discharged into material in the equipment for separating liquid from solid from loading hopper; 2) be heated to 20～100 ℃ in the equipment for separating liquid from solid; Paddle stirs material with 5～200 rev/mins rotating speed; Continue 0.5～15 hour; Wherein the light materials come-up gets into rotation bolter I and isolates the solid light materials; Heavy substance is released to through the residual cake valve of regularly opening the bottom and rotates bolter II, isolates the solid heavy substance, from rotating bolter I, rotating liquid that bolter II separates and the organic substance in the equipment for separating liquid from solid and aqueous mixtures and be transported to oil water separator through material-handling pump I, material-handling pump III and material-handling pump II respectively; 3) be heated to 20～100 ℃ in the oil water separator; Paddle stirs with 10～250 rev/mins rotating speed; Continue after 0.2～10 hour, stop to stir and leaving standstill 0.1～4 hour, the grease come-up is discharged through flowline and is got into follow-up biodiesel device; Silt impurity is regularly discharged from the scum pipe of bottom, and the mixture of living beings and water is discharged by drainage conduit and got into follow-up biogas fermentation device.
As preferably, said rotation bolter I is 0.8～180mm with the sieve diameter that rotates bolter II, and rotating speed is 1～60 rev/min.
As preferably, feed hot water in the coil pipe outside said equipment for separating liquid from solid and the oil water separator and make its heating.
The invention has the beneficial effects as follows: can realize the harmless treatment of changing food waste, the processing procedure work situation is good and periphery do not had the influence of stink, has increased the supply of bioenergy.
Description of drawings
Fig. 1 is the structural representation of apparatus of the present invention;
Description of reference numerals: loading hopper 1, equipment for separating liquid from solid 2 rotates bolter I3, and residual cake valve 4 rotates bolter II5; Material-handling pump I6, material-handling pump II7, material-handling pump III8, oil water separator 9, paddle 10; Flowline 11, coil pipe 12, drainage conduit 13, scum pipe 14.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described further:
Embodiment: as shown in Figure 1, the device of solid impurity and grease in this separation kitchen castoff comprises equipment for separating liquid from solid 2, oil water separator 9; Wherein equipment for separating liquid from solid 2 diameters are 2 meters, and are high 3 meters, 2 meters of oil water separator 9 diameters; High 4 meters, be equipped with paddle 10 in equipment for separating liquid from solid 2 and the oil water separator 9, be equipped with pipe dish 12 outward; Equipment for separating liquid from solid 2 is provided with loading hopper 1, and equipment for separating liquid from solid 2 tops are connected with rotates bolter I3, rotates bolter I3 and is connected with material-handling pump I6; Equipment for separating liquid from solid 2 bottoms are provided with residual cake valve 4 and connect rotates bolter II5, switches through moving bolter II5 and is connected with material-handling pump III8, and rotating bolter I3 is 60 centimetres with rotating bolter II5 external diameter; Long 2 meters, equipment for separating liquid from solid 2 is connected with material-handling pump II7 near bottom sides through discharge gate, and material-handling pump I6, material-handling pump II7 and material-handling pump III8 do; And be connected with oil water separator 9; Oil water separator 9 tops are connected with flowline 11, and oil water separator 9 is connected with drainage conduit 13 near bottom sides, and oil water separator 9 bottoms are connected with scum pipe 14.
Concrete method is: the transport vehicle that kitchen castoff is housed directly is discharged into material in the equipment for separating liquid from solid 2 from loading hopper 1, after accumulative total adds 9 tons of kitchen castoffs, closes inlet valve, prevents stink from leakage.Open the stirring motor power supply then, control paddle 10 rotating speeds are 15 rev/mins.Feed 80 ℃ of hot water in the coil pipe 12 of equipment for separating liquid from solid 2, material is heated to 60 ℃.Material is stirred; Make on the light materials such as oils, polybag, wooden chopsticks, lunch box and float to the surface, get into the rotation bolter I3 on top, sieve diameter 30mm; Rotation through the porous sieve; Rotating speed is 15 rev/mins, and the solid light materials is separated from the outlet of bolter, can be used for the biomass combustion stove and is used for generating or heat supply.Material stops 6h in equipment for separating liquid from solid 2 after, light materials such as polybag separate totally basically, obtain impurity such as 12.5 kilograms of polybags, lunch box, plastic bottle, plastic closure, chopsticks, wood chip altogether.Open bottom residual cake valve 4 then, with heavy substance be released to rotate bolter II5 after, close residual cake valve 4.Sieve diameter 40mm, rotating speed are 15 rev/mins, through rotating the separation of bolter; Obtain 16.7 kilograms of impurity such as pottery, glass, bone altogether, after heat with realize separating of organic matter and inorganic matter, organic matter is used for anaerobic fermentation and produces biogas; Metal recovery, nonmetal landfill etc.Rotating bolter I3 is transported in the oil water separator 9 through material-handling pump I6 and material-handling pump III8 respectively with the liquid that rotation bolter II5 separates; Open discharge gate then, the remaining organic substance and the mixture of water also are transported in the oil water separator 9 by material-handling pump II7.Oil water separator 9 makes material keep the temperature about 60 ℃ through in coil pipe 12, feeding 80 ℃ of hot water.Open paddle 10, rotating speed is 80 rev/mins, behind the stirring 4h, stops to stir, and leaves standstill 2h.Grease fully floats, and discharges grease from oil exit pipe 11 then, and accumulative total obtains 186 kilograms of greases, is used to prepare biodiesel.Discharge silt impurity from scum pipe 14, impurity weight reaches 15 kilograms.From mixture entering making beating, hydrolytic tank and the biogas fermentation device of drainage conduit 13 with living beings and water, the impurity of accomplishing kitchen castoff separates and water-oil separating at last.
Except that the foregoing description, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (6)
1. device that separates solid impurity and grease in the kitchen castoff; Comprise equipment for separating liquid from solid (2), oil water separator (9); It is characterized in that: be equipped with paddle (10) in equipment for separating liquid from solid (2) and the oil water separator (9), equipment for separating liquid from solid (2) is provided with loading hopper (1), and equipment for separating liquid from solid (2) top is connected with rotates bolter I (3); Rotate bolter I (3) and be connected with material-handling pump I (6); Equipment for separating liquid from solid (2) bottom is provided with residual cake valve (4) and connects rotates bolter II (5), switches through moving bolter II (5) and is connected with material-handling pump III (8), and equipment for separating liquid from solid (2) is connected with material-handling pump II (7) near bottom sides through discharge gate; Material-handling pump I (6), material-handling pump II (7) and material-handling pump III (8) are connected with oil water separator (9); Oil water separator (9) top is connected with flowline (11), and oil water separator (9) is connected with drainage conduit (13) near bottom sides, and oil water separator (9) bottom is connected with scum pipe (14).
2. the device of solid impurity and grease in the separation kitchen castoff according to claim 1 is characterized in that: the outer coil pipe (12) that is provided with of said equipment for separating liquid from solid (2) and oil water separator (9).
3. the device of solid impurity and grease in the separation kitchen castoff according to claim 1 is characterized in that: said material-handling pump I (6), material-handling pump II (7) and material-handling pump III (8) adopt slush pump.
4. method of utilizing the said device of claim 1 to separate solid impurity and grease in the kitchen castoff may further comprise the steps:
The transport vehicle that 1) kitchen castoff will be housed directly is discharged into material in the equipment for separating liquid from solid (2) from loading hopper (1);
2) be heated to 20～100 ℃ in the equipment for separating liquid from solid (2); Paddle (10) stirs material with 5～200 rev/mins rotating speed; Continue 0.5～15 hour; Wherein the light materials come-up gets into and rotates bolter I (3), isolates the solid light materials, and heavy substance is released to through the residual cake valve (4) of regularly opening the bottom and rotates bolter II (5); Isolate the solid heavy substance, liquid and interior organic substance and the aqueous mixtures of equipment for separating liquid from solid (2) separated from rotation bolter I (3), rotation bolter II (5) are transported to oil water separator (9) through material-handling pump I (6), material-handling pump III (8) and material-handling pump II (7) respectively;
3) be heated to 20～100 ℃ in the oil water separator (9); Paddle (10) stirs with 10～250 rev/mins rotating speed; Continue after 0.2～10 hour, stop to stir and leaving standstill 0.1～4 hour, the grease come-up is discharged through flowline (11) and is got into follow-up biodiesel device; Silt impurity is regularly discharged from the scum pipe (14) of bottom, and the mixture of living beings and water is discharged by drainage conduit (13) and got into follow-up biogas fermentation device.
5. the method for solid impurity and grease in the separation kitchen castoff according to claim 4 is characterized in that: the sieve diameter of said rotation bolter I (3) and rotation bolter II (5) is 0.8～180mm, and rotating speed is 1～60 rev/min.
6. the method for solid impurity and grease in the separation kitchen castoff according to claim 4 is characterized in that: the outer interior hot water that feeds of coil pipe (12) of said equipment for separating liquid from solid (2) and oil water separator (9) makes its heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100522021A CN102601097A (en) | 2012-03-01 | 2012-03-01 | Device and method for separating solid impurities and oil in kitchen waste |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100522021A CN102601097A (en) | 2012-03-01 | 2012-03-01 | Device and method for separating solid impurities and oil in kitchen waste |
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| CN102601097A true CN102601097A (en) | 2012-07-25 |
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| CN2012100522021A Pending CN102601097A (en) | 2012-03-01 | 2012-03-01 | Device and method for separating solid impurities and oil in kitchen waste |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350099A (en) * | 2013-07-02 | 2013-10-16 | 王德亭 | Integrated treatment process for kitchen waste |
| CN105457991A (en) * | 2016-01-15 | 2016-04-06 | 苏州市高凡生物科技有限公司 | Kitchen waste centralized treatment device |
| CN105886126A (en) * | 2014-11-07 | 2016-08-24 | 安徽清溪环保科技有限公司 | Waste grease innocent treatment method and equipment for implementing same |
| CN106140783A (en) * | 2015-04-14 | 2016-11-23 | 樊军 | A kind of changing food waste homogenate knot screen |
| CN106493159A (en) * | 2016-12-30 | 2017-03-15 | 北京三态环境科技有限公司 | A kind of excrement and food refuse pretreatment unit |
| CN106755641A (en) * | 2017-01-18 | 2017-05-31 | 海宁蒙努皮革制品有限公司 | Leather repairing paste retracting device |
| CN109454095A (en) * | 2018-12-27 | 2019-03-12 | 江苏泓润生物质能科技有限公司 | It is a kind of for source pretreatment after kitchen castoff feed bin |
| CN109825366A (en) * | 2019-03-11 | 2019-05-31 | 嘉必优生物技术（武汉）股份有限公司 | Winterization grease removal equipment and winterization grease removal method |
| CN111330951A (en) * | 2020-03-16 | 2020-06-26 | 深圳深南环境发展有限公司 | Kitchen waste treatment device |
| CN112744897A (en) * | 2021-01-21 | 2021-05-04 | 国智自动化***（张家港）有限公司 | Continuous static oil-water separation device for kitchen waste |
| CN113105996A (en) * | 2021-03-10 | 2021-07-13 | 长沙工研院环保有限公司 | Hydraulic and pneumatic linkage flotation kitchen waste anaerobic fermentation treatment system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103350099A (en) * | 2013-07-02 | 2013-10-16 | 王德亭 | Integrated treatment process for kitchen waste |
| CN105886126A (en) * | 2014-11-07 | 2016-08-24 | 安徽清溪环保科技有限公司 | Waste grease innocent treatment method and equipment for implementing same |
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| CN109454095A (en) * | 2018-12-27 | 2019-03-12 | 江苏泓润生物质能科技有限公司 | It is a kind of for source pretreatment after kitchen castoff feed bin |
| CN109825366A (en) * | 2019-03-11 | 2019-05-31 | 嘉必优生物技术（武汉）股份有限公司 | Winterization grease removal equipment and winterization grease removal method |
| CN109825366B (en) * | 2019-03-11 | 2023-02-10 | 嘉必优生物技术（武汉）股份有限公司 | Winterization fat removal equipment and winterization fat removal method |
| CN111330951A (en) * | 2020-03-16 | 2020-06-26 | 深圳深南环境发展有限公司 | Kitchen waste treatment device |
| CN111330951B (en) * | 2020-03-16 | 2021-08-17 | 深圳深南环境发展有限公司 | Kitchen waste treatment device |
| CN112744897A (en) * | 2021-01-21 | 2021-05-04 | 国智自动化***（张家港）有限公司 | Continuous static oil-water separation device for kitchen waste |
| CN113105996A (en) * | 2021-03-10 | 2021-07-13 | 长沙工研院环保有限公司 | Hydraulic and pneumatic linkage flotation kitchen waste anaerobic fermentation treatment system |
| CN113105996B (en) * | 2021-03-10 | 2023-07-07 | 长沙工研院环保有限公司 | Hydraulic pneumatic linkage flotation kitchen waste anaerobic fermentation treatment system |
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Application publication date: 20120725 |