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CN108043862A - A kind of supervision on the spot of waste biomass grease and treatment process - Google Patents

A kind of supervision on the spot of waste biomass grease and treatment process Download PDF

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Publication number
CN108043862A
CN108043862A CN201711289712.XA CN201711289712A CN108043862A CN 108043862 A CN108043862 A CN 108043862A CN 201711289712 A CN201711289712 A CN 201711289712A CN 108043862 A CN108043862 A CN 108043862A
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CN
China
Prior art keywords
auxiliary material
waste biomass
total amount
treatment
account
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711289712.XA
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Chinese (zh)
Inventor
阚立东
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Individual
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Individual
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Filing date
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Application filed by Individual filed Critical Individual
Priority to CN201711289712.XA priority Critical patent/CN108043862A/en
Publication of CN108043862A publication Critical patent/CN108043862A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/40Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D9/00Compositions of detergents based essentially on soap
    • C11D9/02Compositions of detergents based essentially on soap on alkali or ammonium soaps
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D9/00Compositions of detergents based essentially on soap
    • C11D9/04Compositions of detergents based essentially on soap containing compounding ingredients other than soaps
    • C11D9/06Inorganic compounds
    • C11D9/08Water-soluble compounds
    • C11D9/10Salts
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D9/00Compositions of detergents based essentially on soap
    • C11D9/04Compositions of detergents based essentially on soap containing compounding ingredients other than soaps
    • C11D9/06Inorganic compounds
    • C11D9/18Water-insoluble compounds
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D9/00Compositions of detergents based essentially on soap
    • C11D9/04Compositions of detergents based essentially on soap containing compounding ingredients other than soaps
    • C11D9/22Organic compounds, e.g. vitamins
    • C11D9/38Products in which the composition is not well defined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B2101/00Type of solid waste
    • B09B2101/02Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Detergent Compositions (AREA)

Abstract

The present invention discloses a kind for the treatment of in situ technique of waste biomass grease, suitable for the treatment in situ of waste biomass grease.It is to collect waste biomass grease on the spot, is sent into integrated reactor, add in auxiliary material, by one-time reaction, generates the process of detergent powder.Present invention process route is simple, and less, reaction time is short, can in-situ generation detergent at low cost, occupation of land.

Description

A kind of supervision on the spot of waste biomass grease and treatment process
Technical field
Supervision and treatment technology the present invention relates to waste grease, specifically on waste biomass grease supervision on the spot and Processing method.
Background technology
Waste biomass grease (being commonly called as gutter oil) occurs mainly with the places such as food and drink, food processing.Due to containing bacterial disease The chemical substances such as poison, aflatoxins toxin, benzoin, it is very big to human health damage, therefore can not eat again.
Be usually centralized collection for the legal processing mode of waste biomass grease, available for produce biodiesel or Person's industrial chemicals.But supervision loophole and receipts fortune and the high cost of processing due to intermediate management link, it is difficult to get a profit, because This obtains unlawful interests for criminal and provides profit approach, and someone is illegal as edible product again by the use of waste biomass grease It uses, some passes through simple process, and some is not handled even.
The treatment process route of traditional waste biomass grease is as follows:--- collective conveyance --- is collected one by one concentrates pre-treatment (crush --- separation of solid and liquid --- grease initial gross separation) --- grease is finely separated into crude oil --- being purified to compound lard --- again It is secondary to separate item by item --- as mixed biologic diesel oil or daily chemical products).
Extremely cumbersome using conventional processes route, equipment takes up an area big, cost of investment height, operation cost height, output object Cost is high, substantially without economic benefit, has and much also loses, therefore gradually abandoned by people.
The content of the invention
The present invention, which is put forth effort on, to solve the above problems, and provides a kind of on-site treatment method of new waste biomass grease.It should Method avoids long-distance transport, and in the source of generation of waste biomass grease, by integrated reactor, treatment in situ discards life Object grease, and detergent cleaning reuse is converted into, and effectively supervised by technological means in source, thoroughly solve This problem.
Technical solution is as follows used by the present invention solves more than technical problem:A kind for the treatment of in situ of waste biomass grease Technique, it is characterised in that:It is to collect waste biomass grease on the spot, is sent into integrated reactor, add in auxiliary material, passes through One-time reaction generates the process of detergent powder, is carried out at the same time in due course automatic sensing monitoring.
Be provided in the integrated reactor feed arrangement, crushing stirring integration makeup put, heating unit, sterilization Disinfecting, deodorizing device, dust catching device, exhaust apparatus, device for discharging, electric control gear, Internet of Things automatic sensing monitoring device.
Before the waste biomass grease is sent into integrated reactor, crushing, separation of solid and liquid, grease point can be passed through Pretreatment process from one of them or a few steps.
The auxiliary material, ingredient, accounting are as follows:
1) alkaline matter:Account for the 10%-50% mass ratioes of auxiliary material total amount;
2) accelerator:Account for the 1%-10% mass ratioes of auxiliary material total amount;
3) peculiar smell adsorption agent:Account for the 1%-10% mass ratioes of auxiliary material total amount;
4) coloring agent:Account for the 1%-10% mass ratioes of auxiliary material total amount;
5) flavoring agent:Account for the 1%-10% mass ratioes of auxiliary material total amount;
6) rubbing agent:Account for the 5%-20% mass ratioes of auxiliary material total amount;
7) lubricant:Account for the 1%-10% mass ratioes of auxiliary material total amount;
8) biological agent:Account for the 5%-20% mass ratioes of auxiliary material total amount.
Wherein:
The alkaline matter selects one of soda ash, sodium carbonate or combination;
The accelerator selects sodium metasilicate;
One of activated carbon, diatomite, molecular sieve, zeolite or combination are selected in the peculiar smell adsorption agent;
The coloring agent selects one of titanium dioxide, other pigments or combination;
The flavoring agent selects one of essence, sweetener or combination;
The rubbing agent selects one of silica, calcium carbonate or combination;
The lubricant selects silicone oil;
The biological agent selects one of biological inoculum, organized enzyme or combination.
Further, the detergent, water distribution use.
Further, the weight proportion of the auxiliary material and the waste biomass grease is 1:2—1:Between 10.
The device have the advantages that it is embodied in:
1. waste biomass grease treatment process proposed by the present invention, can be handled nearby, required equipment is simple, it is few to take up an area, Process route is simple, direct, and cost of investment is low, and operation cost is low, and the detergent of generation is at low cost, can use;
2. only some auxiliary materials that are of low cost, easily taking need to be added in reactant, so that it may the available detergent of output, letter It is single, at low cost, easy to operate;
3. in technique, simple integrated reactor is only needed, it is disposable to handle, it needs not move through grease and finely divides From, purification, again item by item separation etc. complicated procedures of forming;
Also can be partly hand gear 4. each device all can be electrical automatic control equipment in integrated reactor (such as feed arrangement), it is simple to operation;
5. reaction time is short, once about 5-60 minutes, so that it may the available detergent powder of output;
6. it is equally applicable to other bio-oil in-situ generation detergent powders;
7. replace user or government waste biomass grease is food-safe and the supervision of one step of environmental issue in place.
Description of the drawings
Fig. 1 is the structure drawing of device of integrated reactor used in the present invention.
Fig. 2 is the information gathering, processing, transmission network relational graph of Internet of Things automatic sensing monitoring device.
Specific embodiment
The present invention is described in detail below with reference to the accompanying drawings and embodiments, but those skilled in the art should know Road, following embodiment is not the unique restriction made to technical solution of the present invention, every in technical solution of the present invention Spirit Essence Lower done any equivalents or change, are regarded as belonging to the scope of protection of the present invention.
New discarded bio-oil treatment process route provided by the invention is as follows:
--- pre-treatment (crushing-separation of solid and liquid-grease initial gross separation) --- is collected on the spot enters integrated reaction Device is disposably handled --- generation detergent ---, and reuse or sale use on the spot.Some such as kitchen ventilator waste greases, frying oil Pre-treatment is not required in fat etc., can be directly entered integrated reactor, makes detergent use.Automatic sensing supervision simultaneously Analysis, transmits various processing information.In pre-treatment, crushing, separation of solid and liquid, grease initial gross separation, which can fit, selects one or wherein several Step.
The process route is simple, and directly, equipment is taken up an area less, and cost of investment is low, and operation cost is low, the detergent powder of generation At low cost, year-on-year strong detergency fullys meet the detergent test stone of national regulation.
Central characteristics of the present invention are disposably focused on using integrated reactor, generate detergent powder.
As shown in Figure 1, the structure and working principle of the grease generation integrated reactor of detergent is as follows:
Integrated reactor is the vessel of a relative closure, in addition to charging, discharging, processing gas outlet port, It all closes remaining part position;Feed arrangement 1 is provided in integrated reactor, 2, heating unit is put in crushing stirring integration makeup 3rd, the strong disinfectings disinfecting, deodorizing such as ozone or ultraviolet light device 4, dust and waste gas treatment device 5, exhaust apparatus 6, device for discharging 7, Internet of Things automatic sensing monitoring device 8.
Integrated reactor is upper intake lower outlet type, and feed arrangement 1 is arranged at the high-end place of reactor, by feed arrangement 1 feed inlet input passes through the waste biomass grease of pre-treatment (some is not required) and the mixture of auxiliary material, then mixture It is banished again by the discharge port of feed arrangement 1 into reactor;Crushing stirring integration makeup puts 2 and is arranged at integrated reactor Center, for by mixture crush and stir evenly;Heating unit 3 is used to heat mixture;Sterilizing deodorization device 4 For sterilizing, sterilizing, except stink to mixture;Dust catching device 5 is arranged at 6 front end of exhaust apparatus, for that will react generation Useless solids and gas mixture in the first collection such as particulate matter, dust, exhaust gas processing, be then vented again;Device for discharging 7 is arranged at reaction The lower end of device collects the available object (detergent powder) generated by processing, then by discharging by the feed inlet of device for discharging 7 The discharge port discharge reactor of device 7;There are self-measuring device in waste biomass grease oiling port, discharging port.
Apparatus above all can be electrical automatic control equipment, also can be partly hand gear (such as feed arrangement 1), use When waste biomass grease put into reactor, start crushing, stirring, heating, sterilizing, dust catching, the devices such as exhaust are pressed Button, machine are started to work, and after a reaction time, waste biomass grease becomes detergent powder, then through automatic discharging Device is discharged to receptacle.Meanwhile should during charging, discharging, the working time, the data such as operator by analysis in due course, By Internet of Things, the data processing platform (DPP) of rear end is transferred to, is effectively analyzed, used for management decision-maker.These powderies Detergent, hydrous water use, and can wash common various dirts and greasy dirt, have and reach national test stone, strong detergency, Not the advantages that not hurting hands, be at low cost.
The Internet of Things automatic sensing monitoring device 8, be provided with temperature acquisition system 11, machine state induction system 12, Metering collecting system 13, network monitoring system 14, electric control gear 15, monitoring processor 16, each system are handled with monitoring Device 16 is electrically connected, and transmits acquisition information to the monitoring processor 16, the monitoring processor handles information, and passes through Cloud Server 17 sends Terminal Server Client 18 to.
Further:
The temperature acquisition system passes through the real-time collecting work environment temperature of temperature sensor;
The machine state induction system runs shape by the machine in the real-time collecting work environment of position-detection sensor State;
The metering collecting system, by the charging in the real-time collecting work environment of weight sensor, discharge situation;
The network monitoring system, collecting work ambient scene vision signal.
Further, in the auxiliary material added by generation detergent powder, ingredient, ratio and effect are as follows respectively:
1) alkaline matter:Such as soda ash, sodium carbonate, the 10%-50% mass ratioes of auxiliary material total amount are accounted for, preferably 25%;
2) accelerator:Such as sodium metasilicate, the 1%-10% mass ratioes of auxiliary material total amount are accounted for, preferably 5%;
3) peculiar smell adsorption agent:Such as activated carbon, diatomite, molecular sieve, zeolite, the 1%-10% mass ratioes of auxiliary material total amount are accounted for, It is preferred that 5%;
4) coloring agent:Such as titanium dioxide, other pigments, the 1%-10% mass ratioes of auxiliary material total amount are accounted for, preferably 5%;
5) flavoring agent:Such as various essence, sweetener, the 1%-10% mass ratioes of auxiliary material total amount are accounted for, preferably 5%;
6) rubbing agent:Such as silica, calcium carbonate, the 5%-20% mass ratioes of auxiliary material total amount are accounted for, preferably 10%;
7) lubricant:Such as silicone oil, the 1%-10% mass ratioes of auxiliary material total amount are accounted for, preferably 5%;
8) biological agent:Such as biological inoculum, organized enzyme, the 5%-20% mass ratioes of auxiliary material total amount are accounted for, preferably 10%.
Wherein:
1. alkaline matter plays saponification grease;
2. accelerator plays a part of that alkaline matter and grease is assisted to accelerate saponification:
3. peculiar smell adsorption agent plays a part of to absorb and goes to eliminate the unusual smell;
4. coloring agent plays a part of the bad original product of form and aspect to be coloured to the color needed;
5. flavoring agent plays a part of original bad taste to be improved the taste into needs;
6. rubbing agent assists detergent preferably and dirt phase mutual friction, the effect of dirt is gone;
It is lubricated 7. lubricant acts feel when helping the detergent to use, comfortable effect;
(by being reacted with organic matter therein, promote 8. biological agent assists detergent preferably to play comprehensive function Heat temperature raising promotes peculiar smell to decompose, and promotes sterilizing deodorization, promotes scattered and mixing, promotes feel lubrication etc.) effect.
The mixture of waste biomass grease and auxiliary material is put into reactor, between above-mentioned auxiliary material and waste biomass grease Weight proportion is about 1:2—1:Between 10, a reaction time is 5-60 minutes general, so that it may the available detergent powder of output, The dilution that is dissolved in water just can be used.By such a " kitchen garbage -- waste biomass grease -- integrated reactor -- The process of detergent " is completely eliminated waste biomass grease in the source of generation and in due course effective automatic supervision work( Can, and generate great purposes and economic value.Compared to production biodiesel or industrial chemicals, there is processing path It is short, it is simple for process, investment it is low with operation cost, floor space is small, output object can clean-in-place reuse, instead of user or political affairs Mansion is effectively supervised, the advantages of generating larger economic value.
The technology is equally applicable to other bio-oil in-situ generation detergent powders, and the detergent powder of generation, which has, to be gone Dirty power is strong, does not hurt hands, standard higher, safer, it is at low cost the advantages of.

Claims (8)

1. a kind for the treatment of in situ technique of waste biomass grease, it is characterised in that:It is to collect waste biomass grease on the spot, is sent into In integrated reactor, auxiliary material is added in, by one-time reaction, generates the process of detergent powder.
2. the treatment in situ technique of waste biomass grease according to claim 1, it is characterised in that:It is described integrated Feed arrangement is provided in reactor, crushing stirring integration makeup is put, heating unit, sterilizing deodorization device, dust catching Device, exhaust apparatus, device for discharging.
3. the treatment in situ technique of waste biomass grease according to claim 1, it is characterised in that:In the waste biomass Grease is sent into before integrated reactor, before can passing through one of crushing, separation of solid and liquid, water-oil separating or a few steps Processing procedure.
4. the treatment in situ technique of waste biomass grease according to claim 1, it is characterised in that:The auxiliary material, into Point, accounting it is as follows:
1) alkaline matter:Account for the 10%-50% mass ratioes of auxiliary material total amount;
2) accelerator:Account for the 1%-10% mass ratioes of auxiliary material total amount;
3) peculiar smell adsorption agent:Account for the 1%-10% mass ratioes of auxiliary material total amount;
4) coloring agent:Account for the 1%-10% mass ratioes of auxiliary material total amount;
5) flavoring agent:Account for the 1%-10% mass ratioes of auxiliary material total amount;
6) rubbing agent:Account for the 5%-20% mass ratioes of auxiliary material total amount;
7) lubricant:Account for the 1%-10% mass ratioes of auxiliary material total amount;
8) biological agent:Account for the 5%-20% mass ratioes of auxiliary material total amount.
5. the treatment in situ technique of waste biomass grease according to claim 4, it is characterised in that:
The alkaline matter selects one of soda ash, sodium carbonate or combination;
The accelerator selects sodium metasilicate;
One of activated carbon, diatomite, molecular sieve, zeolite or combination are selected in the peculiar smell adsorption agent;
The coloring agent selects one of titanium dioxide, other pigments or combination;
The flavoring agent selects one of essence, sweetener or combination;
The rubbing agent selects one of silica, calcium carbonate or combination;
The lubricant selects silicone oil;
The biological agent selects one of biological inoculum, organized enzyme or combination.
6. the treatment in situ technique of the waste biomass grease according to one of claim 1-5, it is characterised in that:The washing Agent, water distribution use.
7. the treatment in situ technique of the waste biomass grease according to one of claim 1-6, it is characterised in that:The auxiliary material Weight proportion with the waste biomass grease is 1:2—1:Between 10.
8. the Internet of Things automatic sensing monitoring device according to claim, which is characterized in that
The temperature acquisition system passes through the real-time collecting work environment temperature of temperature sensor;
The machine state induction system passes through the state of runtime machine in the real-time collecting work environment of position-detection sensor;
The metering collecting system, by the charging in the real-time collecting work environment of weight sensor, discharge situation;
The network monitoring system, collecting work ambient scene vision signal.
CN201711289712.XA 2017-12-08 2017-12-08 A kind of supervision on the spot of waste biomass grease and treatment process Pending CN108043862A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711289712.XA CN108043862A (en) 2017-12-08 2017-12-08 A kind of supervision on the spot of waste biomass grease and treatment process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711289712.XA CN108043862A (en) 2017-12-08 2017-12-08 A kind of supervision on the spot of waste biomass grease and treatment process

Publications (1)

Publication Number Publication Date
CN108043862A true CN108043862A (en) 2018-05-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112628820A (en) * 2020-12-22 2021-04-09 浙江欧意智能厨房股份有限公司 Waste oil treatment device and method in intelligent environment-friendly range hood
CN114845471A (en) * 2022-07-04 2022-08-02 深圳市板明科技股份有限公司 Oil removing and hole finishing method for PTH (plated through hole) process of printed circuit board, alkaline oil removing and hole finishing agent and preparation method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101287822A (en) * 2005-10-12 2008-10-15 西姆莱斯有限责任两合公司 Floating complex soap and mixture for producing said floating complex soap
CN201817462U (en) * 2010-10-21 2011-05-04 王清昀 Soap making device using household waste oil
CN102712880A (en) * 2009-12-21 2012-10-03 丹尼斯科美国公司 Detergent compositions containing geobacillus stearothermophilus lipase and methods of use thereof
CN102807935A (en) * 2012-08-13 2012-12-05 杨解定 Method for producing soap powder by illegal cooking oil
CN202705340U (en) * 2012-08-13 2013-01-30 杨解定 Device for producing soap powder by utilizing swill-cooked dirty oil
CN103319307A (en) * 2013-06-27 2013-09-25 浙江工业大学 Method for preparing sodium soap
CN103965940A (en) * 2014-04-28 2014-08-06 王军 Scientific utilization of waste grease
CN104762146A (en) * 2015-03-27 2015-07-08 王立鹏 Method for preparing transparent soap by performing irradiation treatment on illegal cooking oil
CN104946403A (en) * 2015-05-13 2015-09-30 苏州韩博厨房电器科技有限公司 Illegal cooking oil recovery treatment device applicable to kitchen field
CN206619213U (en) * 2017-03-10 2017-11-07 南通大学 Sandwich vending machine based on Internet of Things

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101287822A (en) * 2005-10-12 2008-10-15 西姆莱斯有限责任两合公司 Floating complex soap and mixture for producing said floating complex soap
CN102712880A (en) * 2009-12-21 2012-10-03 丹尼斯科美国公司 Detergent compositions containing geobacillus stearothermophilus lipase and methods of use thereof
CN201817462U (en) * 2010-10-21 2011-05-04 王清昀 Soap making device using household waste oil
CN102807935A (en) * 2012-08-13 2012-12-05 杨解定 Method for producing soap powder by illegal cooking oil
CN202705340U (en) * 2012-08-13 2013-01-30 杨解定 Device for producing soap powder by utilizing swill-cooked dirty oil
CN103319307A (en) * 2013-06-27 2013-09-25 浙江工业大学 Method for preparing sodium soap
CN103965940A (en) * 2014-04-28 2014-08-06 王军 Scientific utilization of waste grease
CN104762146A (en) * 2015-03-27 2015-07-08 王立鹏 Method for preparing transparent soap by performing irradiation treatment on illegal cooking oil
CN104946403A (en) * 2015-05-13 2015-09-30 苏州韩博厨房电器科技有限公司 Illegal cooking oil recovery treatment device applicable to kitchen field
CN206619213U (en) * 2017-03-10 2017-11-07 南通大学 Sandwich vending machine based on Internet of Things

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112628820A (en) * 2020-12-22 2021-04-09 浙江欧意智能厨房股份有限公司 Waste oil treatment device and method in intelligent environment-friendly range hood
CN114845471A (en) * 2022-07-04 2022-08-02 深圳市板明科技股份有限公司 Oil removing and hole finishing method for PTH (plated through hole) process of printed circuit board, alkaline oil removing and hole finishing agent and preparation method thereof
CN114845471B (en) * 2022-07-04 2022-09-27 深圳市板明科技股份有限公司 Oil removing and hole finishing method for PTH (plated through hole) process of printed circuit board, alkaline oil removing and hole finishing agent and preparation method thereof

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Application publication date: 20180518