CN103601336B - Method for removing food residues in restaurant wastewater - Google Patents
Method for removing food residues in restaurant wastewater Download PDFInfo
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- CN103601336B CN103601336B CN201310479535.7A CN201310479535A CN103601336B CN 103601336 B CN103601336 B CN 103601336B CN 201310479535 A CN201310479535 A CN 201310479535A CN 103601336 B CN103601336 B CN 103601336B
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Abstract
The invention discloses a method for removing food residues in restaurant wastewater. The method comprises the steps of filtering the restaurant wastewater by using a coarse filter screen (1) with a wire diameter of 1-0.5 mm, a fine filter screen (2) with a wire diameter of 0.025-0.5 mm and a gauze filter screen (3), so as to separate the food residues from waste water thoroughly by solid-liquid separation; and granulating the filtered solid wastes thoroughly through stirring, smashing and grinding; then hydrolyzing the food residues by using torulopsis glabrata; removing suspended materials, colloids and organic materials from the wastes via an infinite biological adsorption-oxidative degradation reactive tank (9); and finally discharging the wastewater through a water outlet of the reactive tank. The method has good clearing efficiency, has no secondary pollution, is low in investment cost and is valuable for popularization.
Description
Technical field
The present invention relates to a kind for the treatment of process of food and drink waste water, be specifically related to the minimizing technology of swill in a kind of food and drink waste water.
Background technology
Food and drink waste water refers to the undressed waste water discharged by catering trade, is characterized in a large amount of swills, colloidal particle and suspended substance, and main component is animal-plant oil, washing composition and protein etc.These swills, as processed not in time, after letting alone to be discharged into rivers,lakes and seas, can make water turbidity, can make rivers and lakes water blackening, and give out foul smell during summer, drastically influence the healthy of physical environment and people.
At present, the swill in food and drink waste water, by under filtration, then carries out landfill, secondary processing to solid waste, the illegal unscrupulous merchant etc. of sewer oil is had an opportunity to take advantage of, have a strong impact on the health of human body, and wasted human and material resources, even can produce secondary pollution to environment.
Summary of the invention
The invention reside in swill in solution food and drink waste water and remove technical problem not in place, the minimizing technology of swill in a kind of efficient food and drink waste water is provided, by three filtrations, pulverize grinding, biological adsorption oxidative degradation, swill is thoroughly hydrolyzed, realizes the very removal of swill thing.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: the minimizing technology of swill in a kind of food and drink waste water, is characterized in that performing step is as follows:
Step 1: first by food and drink waste water respectively by coarse filtration net (1), finly filtration net (2), filtered through gauze net (3) realizes the solid-liquid separation of food and drink;
Step 2: the solid waste that solid-liquid separation obtains enters centralized collection district (4), then enter in stirring powder crushing device (5) and thoroughly pulverize, swill after thorough pulverizing enters shredder (6) and fully grinds, 3 ~ 4kg water, 0.01 ~ 0.02kg methyl alcohol, 0.03 ~ 0.06kg sodium bicarbonate, 0.002 ~ 0.005kg torulopsis bacterium is added by per kilogram abrasive material after grinding, and carry out the adjustment of pH, make the pH of mixture be 6.3 ~ 7.5;
Step 3: said mixture matter enters heated at high speed whipping appts (7) and heats, makes its temperature remain on 38 ° of C ~ 53 ° C, and high-speed stirring 12 ~ 24 hours, the gas gas skirt (8) of generation is collected;
Step 4: the waste water after high-speed stirring enters Pyatyi biological adsorption oxidative degradation groove (9), waste water is finally discharged by the water outlet of reactive tank.
Described coarse filtration net adopts string diameter 1 ~ 0.5mm, order number is 4 ~ 600 orders, and finly filtration net (2) adopts string diameter to be 0.025 ~ 0.5mm.
Described described torulopsis bacterium, it is by Fructus Hordei Germinatus inclined-plane enlarged culturing, then obtains the bacterium colony of surface ruffle, matt neat in edge through screening.
Described Pyatyi biological adsorption oxidative degradation groove (9) first step suspended particulate reactive tank 1(10) be the screen cloth of ceramic sintering, the suspended particulate that particle diameter is 80 ~ 150 μm can be filtered; Second stage suspended particulate reactive tank 2(11) be the screen cloth that hydrotalcite is fired, the suspended particulate that particle diameter is 60 ~ 80 μm can be filtered; Third stage floating particles thing reactive tank 3(12) be the screen cloth that attapulgite is fired, the suspended particulate that particle diameter is 40 ~ 60 μm can be removed; Fourth stage colloid adsorption tank 4(13) be the adsorption tank that wilkinite is filled, can adsorb particle diameter is 1 ~ 20nm colloidalmaterial; Level V oxidation trough 5(14) be electrolytic oxidation groove, by the deliquescent organic substance of electrolytic oxidation.
Principle of the present invention is: by the preliminary filtration of coarse filtration net (1), finly filtration net (2), filtered through gauze net (3); the solid waste that filtration obtains is by stirring, pulverizing, grind thorough granulating; then by torulopsis bacterium, swill is hydrolyzed through thermophilic fermentation, removes the materials such as suspended substance, colloid and deliquescent organism in refuse eventually through Pyatyi biological adsorption oxidative degradation groove (9).
The present invention's beneficial effect is compared with prior art:
1. adopt and add torulopsis bacterium and carry out a biological disposal upon through thermophilic fermentation, make swill degradable, compared with traditional landfill, working method, avoid the waste of pollution to environment and resource;
2. progressively stage treatment is carried out to the material of different-grain diameter in the liquid mixing material after conversion by Pyatyi biological adsorption oxidative degradation groove, substantially increase the removal efficiency of COD material in liquid mixture after transforming.
Accompanying drawing explanation
Fig. 1 is processing flow chart of the present invention.
Wherein: 1-coarse filtration net; 2-finly filtration net; 3-filtered through gauze net; 4-centralized collection district; 5-stirring powder crushing device; 6-shredder; 7-high-speed stirring apparatus; 8 gas skirts; 9-Pyatyi biological adsorption oxidative degradation groove; 10-suspended particulate reactive tank 1; 11-suspended particulate reactive tank 2; 12-suspended particle thing reactive tank 3; 13-colloid adsorption tank 4; 14-oxidation trough 5.
embodiment:
In order to make those of ordinary skill in the art's clearly the object, technical solutions and advantages of the present invention, below in conjunction with drawings and Examples, the present invention is further elaborated.
As shown in the figure, the minimizing technology of swill in a kind of food and drink waste water, the minimizing technology of swill in a kind of food and drink waste water, is characterized in that performing step is as follows:
Step 1: first by food and drink waste water respectively by coarse filtration net (1), finly filtration net (2), filtered through gauze net (3) realizes the solid-liquid separation of food and drink;
Step 2: the solid waste that solid-liquid separation obtains enters centralized collection district (4), then enter in stirring powder crushing device (5) and thoroughly pulverize, swill after thorough pulverizing enters shredder (6) and fully grinds, 3 ~ 4kg water, 0.01 ~ 0.02kg methyl alcohol, 0.03 ~ 0.06kg sodium bicarbonate, 0.002 ~ 0.005kg torulopsis bacterium is added by per kilogram abrasive material after grinding, and carry out the adjustment of pH, make the pH of mixture be 6.3 ~ 7.5;
Step 3: said mixture matter enters heated at high speed whipping appts (7) and heats, makes its temperature remain on 38 ° of C ~ 53 ° C, and high-speed stirring 12 ~ 24 hours, the gas gas skirt (8) of generation is collected;
Step 4: the mixture after high-speed stirring enters Pyatyi biological adsorption oxidative degradation groove (9), waste water is finally discharged by the water outlet of reactive tank.
Coarse filtration net adopts string diameter 1 ~ 0.5mm, order number is 4 ~ 600 orders, and finly filtration net (2) adopts string diameter to be 0.025 ~ 0.5mm; Torulopsis bacterium, it is by Fructus Hordei Germinatus inclined-plane enlarged culturing, then obtains the bacterium colony of surface ruffle, matt neat in edge through screening; Pyatyi biological adsorption oxidative degradation groove (9) first step is 80 ~ 150 μm of suspended particulate reactive tank 1(10 for removing particle diameter); The second stage is 60 ~ 80 μm of suspended particulate reactive tank 2(11 for removing particle diameter); The third stage is 40 ~ 60 μm of floating particles thing reactive tank 3(12 for removing particle diameter); The fourth stage is 1 ~ 20nm colloid adsorption tank 4(13 for removing particle diameter); Level V is for removing solvability organic oxidation groove 5(14).
Embodiment 1
First be coarse filtration net (1), the fie screen (2) of 0.5mm, the filtered through gauze net of 0.7mm respectively by string diameter by food and drink waste water; Be separated the solid waste that obtains to enter centralized collection district (4) and then enter in stirring powder crushing device (5) and thoroughly pulverize, swill after thorough pulverizing enters shredder (6) and fully grinds, 3.5kg water, 0.015kg methyl alcohol, 0.05kg sodium bicarbonate, 0.004kg torulopsis bacterium is added by per kilogram abrasive material after grinding, and carry out the adjustment of pH, make the pH of mixture be 7.0; Said mixture matter enters heated at high speed whipping appts (7) and heats, and makes its temperature remain on 48 ° of C, and high-speed stirring 24 hours, the gas gas skirt (8) of generation is collected; Mixture after speed stirs enters Pyatyi biological adsorption oxidative degradation groove (9), waste water is finally discharged by the water outlet of reactive tank, through detecting, after filter screen filtration, swill in waste water is 0, after Pyatyi biological adsorption oxidative degradation groove (9), in the waste water of discharge, suspended particulate is 0, colloidal solid thing 0.
Embodiment 2
First be coarse filtration net (1), the fie screen (2) of 0.4mm, the filtered through gauze net of 0.4mm respectively by string diameter by food and drink waste water; Be separated the solid waste that obtains to enter centralized collection district (4) and then enter in stirring powder crushing device (5) and thoroughly pulverize, swill after thorough pulverizing enters shredder (6) and fully grinds, 3.8kg water, 0.013kg methyl alcohol, 0.03kg sodium bicarbonate, 0.005kg torulopsis bacterium is added by per kilogram abrasive material after grinding, and carry out the adjustment of pH, make the pH of mixture be 7.3; Said mixture matter enters heated at high speed whipping appts (7) and heats, and makes its temperature remain on 50 ° of C, and high-speed stirring 18 hours, the gas gas skirt (8) of generation is collected; Mixture after speed stirs enters Pyatyi biological adsorption oxidative degradation groove (9), waste water is finally discharged by the water outlet of reactive tank, through detecting, after filter screen filtration, swill in waste water is 0, after Pyatyi biological adsorption oxidative degradation groove (9), in the waste water of discharge, suspended particulate is 0, colloidal solid thing 0.
Embodiment 3
First be coarse filtration net (1), the fie screen (2) of 0.5mm, the filtered through gauze net of 0.8mm respectively by string diameter by food and drink waste water; Be separated the solid waste that obtains to enter centralized collection district (4) and then enter in stirring powder crushing device (5) and thoroughly pulverize, swill after thorough pulverizing enters shredder (6) and fully grinds, 3.9kg water, 0.014kg methyl alcohol, 0.04kg sodium bicarbonate, 0.0045kg torulopsis bacterium is added by per kilogram abrasive material after grinding, and carry out the adjustment of pH, make the pH of mixture be 6.8; Said mixture matter enters heated at high speed whipping appts (7) and heats, and makes its temperature remain on 38 ° of C, and high-speed stirring 12 hours, the gas gas skirt (8) of generation is collected; Mixture after speed stirs enters Pyatyi biological adsorption oxidative degradation groove (9), waste water is finally discharged by the water outlet of reactive tank, through detecting, after filter screen filtration, swill in waste water is 0, after Pyatyi biological adsorption oxidative degradation groove (9), in the waste water of discharge, suspended particulate is 0, colloidal solid thing 0.
Result shows, adopt the minimizing technology that the present invention relates to thoroughly to be hydrolyzed removing to the swill in food and drink waste water, and investment cost is low, has good development prospect.
Claims (1)
1. the minimizing technology of swill in food and drink waste water, is characterized in that performing step is as follows:
Step 1: first by food and drink waste water respectively by coarse filtration net (1), finly filtration net (2), filtered through gauze net (3) realizes the solid-liquid separation of food and drink;
Step 2: the solid waste that solid-liquid separation obtains enters centralized collection district (4), then enter in stirring powder crushing device (5) and thoroughly pulverize, swill after thorough pulverizing enters shredder (6) and fully grinds, 3 ~ 4kg water, 0.01 ~ 0.02kg methyl alcohol, 0.03 ~ 0.06kg sodium bicarbonate, 0.002 ~ 0.005kg torulopsis bacterium is added by per kilogram abrasive material after grinding, and carry out the adjustment of pH, make the pH of mixture be 6.3 ~ 7.5;
Step 3: said mixture matter enters heated at high speed whipping appts (7) and heats, makes its temperature remain on 38 ° of C ~ 53 ° C, and high-speed stirring 12 ~ 24 hours, the gas gas skirt (8) of generation is collected;
Step 4: the waste water after high-speed stirring enters Pyatyi biological adsorption oxidative degradation groove (9), waste water is finally discharged by the water outlet of reactive tank; Described Pyatyi biological adsorption oxidative degradation groove (9) first step suspended particulate reactive tank 1(10) be the screen cloth of ceramic sintering, the suspended particulate that particle diameter is 80 ~ 150 μm can be filtered; Second stage suspended particulate reactive tank 2(11) be the screen cloth that hydrotalcite is fired, the suspended particulate that particle diameter is 60 ~ 80 μm can be filtered; Third stage floating particles thing reactive tank 3(12) be the screen cloth that attapulgite is fired, the suspended particulate that particle diameter is 40 ~ 60 μm can be removed; Fourth stage colloid adsorption tank 4(13) be the adsorption tank that wilkinite is filled, can adsorb particle diameter is 1 ~ 20nm colloidalmaterial; Level V oxidation trough 5(14) be electrolytic oxidation groove, by the deliquescent organic substance of electrolytic oxidation.
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| CN201310479535.7A CN103601336B (en) | 2013-10-15 | 2013-10-15 | Method for removing food residues in restaurant wastewater |
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| CN201310479535.7A CN103601336B (en) | 2013-10-15 | 2013-10-15 | Method for removing food residues in restaurant wastewater |
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| CN103601336B true CN103601336B (en) | 2015-01-21 |
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| CN104998446B (en) * | 2015-07-15 | 2017-09-22 | 河南科技大学 | A kind of horizontal Quick filter system purified for kitchen waste water |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1356931A (en) * | 1999-06-23 | 2002-07-03 | 贝格生物能量有限公司 | Method and device for treating unstructured or loosely structured organic waste |
| KR20040035634A (en) * | 2004-04-02 | 2004-04-29 | 김동진 | Livestock wastewater treatment system attached the biological treatment and a membrane and an electrolysis tank |
| CN101837366A (en) * | 2010-05-17 | 2010-09-22 | 北京昊业怡生科技有限公司 | Centralized kitchen waste treatment method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1356931A (en) * | 1999-06-23 | 2002-07-03 | 贝格生物能量有限公司 | Method and device for treating unstructured or loosely structured organic waste |
| KR20040035634A (en) * | 2004-04-02 | 2004-04-29 | 김동진 | Livestock wastewater treatment system attached the biological treatment and a membrane and an electrolysis tank |
| CN101837366A (en) * | 2010-05-17 | 2010-09-22 | 北京昊业怡生科技有限公司 | Centralized kitchen waste treatment method |
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Effective date of registration: 20151112 Address after: 226571, Jiangsu Province, Nantong City, Rugao Province East Chen Chen Zhen community neighborhood committee 10 groups Patentee after: Jiangsu Tuo Bang new material Co., Ltd Address before: 213164 C, building 801, Tianhong science and Technology City, No. 414, Wuhan Middle Road, Wujin District, Jiangsu, Changzhou Patentee before: Changzhou Siyu Environmental Protection Material Technology Co., Ltd. |
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Effective date of registration: 20191217 Address after: Room 207, main office building, No.118 Longxing Road, Haining Economic Development Zone, Haining City, Jiaxing City, Zhejiang Province Patentee after: Haining Economic Development Industrial Park Development and Construction Co., Ltd Address before: 226571, Jiangsu Province, Nantong City, Rugao Province East Chen Chen Zhen community neighborhood committee 10 groups Patentee before: Jiangsu Tuo Bang new material Co., Ltd |