CN101745194A - Sludge microorganism protein foam extinguishing agent and preparation method thereof - Google Patents
Sludge microorganism protein foam extinguishing agent and preparation method thereof Download PDFInfo
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- CN101745194A CN101745194A CN200910245145A CN200910245145A CN101745194A CN 101745194 A CN101745194 A CN 101745194A CN 200910245145 A CN200910245145 A CN 200910245145A CN 200910245145 A CN200910245145 A CN 200910245145A CN 101745194 A CN101745194 A CN 101745194A
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- Prior art keywords
- foam extinguishing
- agent
- extinguishing agent
- microprotein
- sludge
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- 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.)
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Links
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 49
- 239000010802 sludge Substances 0.000 title claims abstract description 43
- 239000006260 foam Substances 0.000 title claims abstract description 42
- 108090000623 proteins and genes Proteins 0.000 title claims abstract description 40
- 102000004169 proteins and genes Human genes 0.000 title claims abstract description 40
- 244000005700 microbiome Species 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000003381 stabilizer Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 9
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 239000006228 supernatant Substances 0.000 claims abstract description 6
- 239000000706 filtrate Substances 0.000 claims description 12
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 230000007062 hydrolysis Effects 0.000 claims description 9
- 238000006460 hydrolysis reaction Methods 0.000 claims description 9
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 8
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000047 product Substances 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 5
- 150000001896 cresols Chemical class 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 4
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 4
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 3
- 239000005711 Benzoic acid Substances 0.000 claims description 2
- BCZXFFBUYPCTSJ-UHFFFAOYSA-L Calcium propionate Chemical compound [Ca+2].CCC([O-])=O.CCC([O-])=O BCZXFFBUYPCTSJ-UHFFFAOYSA-L 0.000 claims description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- 235000010233 benzoic acid Nutrition 0.000 claims description 2
- 239000004330 calcium propionate Substances 0.000 claims description 2
- 235000010331 calcium propionate Nutrition 0.000 claims description 2
- 239000011790 ferrous sulphate Substances 0.000 claims description 2
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 2
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 claims description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 2
- 239000000446 fuel Substances 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 abstract description 2
- 239000003755 preservative agent Substances 0.000 abstract 2
- 230000002335 preservative effect Effects 0.000 abstract 2
- 239000012460 protein solution Substances 0.000 abstract 2
- 239000003513 alkali Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 235000018102 proteins Nutrition 0.000 description 27
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000012141 concentrate Substances 0.000 description 4
- 241001465754 Metazoa Species 0.000 description 3
- 229960000583 acetic acid Drugs 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000010801 sewage sludge Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241000370738 Chlorion Species 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 108010082495 Dietary Plant Proteins Proteins 0.000 description 1
- 108010010256 Dietary Proteins Proteins 0.000 description 1
- 102000015781 Dietary Proteins Human genes 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 241000219146 Gossypium Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 235000021245 dietary protein Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 210000000003 hoof Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- 238000000751 protein extraction Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
- Fire-Extinguishing Compositions (AREA)
Abstract
The invention discloses a sludge microorganism protein foam extinguishing agent and a preparation method thereof, which belong to the field of sewage and sludge treatment, wherein the agent comprises the following components in parts by weight: one part of microorganism protein solution with mass concentration being 5-40% or one part of microorganism protein dry powder diluted to mass concentration being 5-40%, 0.0008-0.005 part of preservative and 0.008-0.06 part of stabilizing agent; the preparation method comprises the following steps: using aqueous alkali to regulate the concentration of activated sludge, heating up to hydrolyze, then carrying out solid-liquid separation, collecting filter liquor, concentrating, obtaining microorganism protein solution with mass concentration being 5-40% or microorganism protein dry powder, adjusting the pH value to be 7-9, standing, taking supernatant, and adding preservative and stabilizing agent according to the parts by weight to be uniformly mixed to prepare the foam extinguishing agent. The extinguishing property of the protein foam extinguishing agent prepared by the invention can reach the optimal fire rating of the protein foam extinguishing agent, and the protein foam extinguishing agent is widely applied for putting out a fire on oil depots, oil fields and other liquid fuels.
Description
Technical field
The present invention relates to the sewage sludge process field, particularly a kind of sludge microorganism protein foam extinguishing agent and preparation method thereof.
Background technology
Protein foam extinguishing agent is one of a large amount of extinguishing chemicals that use, be mainly used in the liquid fuel fire of putting out a fire to save life and property, the primary raw material of protein foam extinguishing agent is the albumen that each peptide species, amino acid are formed, and has favorable biological degradability and environment friendly, belongs to the fire foam of environment-friendly type.Traditional animal/vegetable protein fire foam mainly utilizes crop seeds such as animal substance such as animal hair, hoof, angle and rice, soybean, cotton seed to be raw material, be hydrolyzed to protein liquid, and then make fire foam, caused the serious waste of resource, Chinese patent application number is 03118972.5 to disclose a kind of method of utilizing activated sludge protein to prepare protein foam extinguishing agent, residual active sludge (comprising that plant chimney stalk is handled activated sludge, city domestic sewage is handled residual active sludge) is put into enamel or rustless steel container, add HCl or H
2SO
4Regulating the pH value is 1-2, temperature between 110 ℃-125 ℃ hydrolysis 2-6 hour, filter, regulating the pH value is subacidity, neutrality or alkalescence, concentrate to make and be used to prepare the required activated sludge protein of biochemistry protein fire foam, hydrolysis concentrate with activated sludge protein is a base-material, prepares suitable additive such as stable, anticorrosion, antifreeze and makes the activated sludge protein foam extinguishing agent.What this method related to prepares the technology of activated sludge albumen with acid hydrolysis, poor filtration effect, the sludge protein product quality can not guarantee and yield lower, equipment corrosion is serious in the activated sludge protein liquid production process, and contain a large amount of chlorions or sulfate radical in the fire foam with this protein Preparation, the storage facilities and the transporting equipment of fire foam caused more serious corrosion.Chinese patent application numbers 200710150331.3 discloses a kind of preparation method of microprotein, allocate concentration of activated sludge with aqueous slkali, making its moisture content is 92%-96%, the pH value is 10-13, with the allotment after activated sludge in closed reaction kettle, 105 ℃ of-185 ℃ of enhanced hydrolysis heat up, reacted 1-4 hour, mixture Separation of Solid and Liquid after with solid-liquid separating equipment hydrolysis being finished, collect filtrate, filtrate is concentrated, get the microprotein product of variable concentrations with concentrator, have the higher protein extraction rate of recovery, lower production cost than disclosed protein extracting method in the Chinese patent application 03118972.5.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, providing a kind of is that feedstock production has good biodegradability properties with the urban domestic sewage sludge, and extinguishing property reaches other sludge microorganism protein foam extinguishing agent of " optimum " level and preparation method thereof.
The technical solution used in the present invention is as follows:
A kind of sludge microorganism protein foam extinguishing agent comprises that by ratio of quality and the number of copies mass concentration is 1 part of the microprotein solution of 5%-40%, anticorrisive agent 0.0008-0.005 part, stabilizing agent 0.008-0.06 part.
Described anticorrisive agent is at least a in (but being not limited only to) phenol, cresols, PM anticorrisive agent, benzoic acid, the calcium propionate.
Described stabilizing agent is at least a in (but being not limited only to) copper chloride, magnesium sulfate, ferrous sulfate, aluminum sulfate, the iron chloride.
A kind of preparation method of sludge microorganism protein foam extinguishing agent, step is: (1) regulates concentration of activated sludge with aqueous slkali, making its moisture content is 92%-96%, the pH value is 10-13, with the activated sludge after regulating at 105 ℃-185 ℃, hydrolysis 1-4 hour, carry out Separation of Solid and Liquid again, collect filtrate, (2) with concentrator filtrate is concentrated, getting mass concentration is the microprotein solution of 5%-40% or is dried to microprotein dry powder, (3) get 1 part of microprotein solution that mass concentration is 5%-40% or microprotein dry powder is diluted to 1 part of the microprotein solution that mass concentration is 5%-40% by mass fraction, with acid for adjusting pH value is 7-9, and the microprotein product that (4) will regulate the pH value leaves standstill, get supernatant, add anticorrisive agent, stabilizing agent, press mass fraction, get anticorrisive agent 0.0008-0.005 part, stabilizing agent 0.008-0.06 part evenly is mixed and made into fire foam.
Described aqueous slkali is at least a in (but being not limited only to) sodium hydroxide solution, potassium hydroxide solution, the aqua calcis.
Described acid is at least a in (but being not limited only to) phosphoric acid, acetic acid, carbonic acid, the meta-aluminic acid.
The beneficial effect that the present invention had:
1; technical process of the present invention is simple; be easy to suitability for industrialized production; the protein foam extinguishing agent of preparation has favorable biological degradability and environment friendly; 25% drainage time is 6s-8s; attack time is 3min-4min; 25% anti-burning time was 19min-31min; its extinguishing property can reach the optimum extinguishing grade of protein foam extinguishing agent; can be widely used in oil depot; the fire extinguishing of liquid fuel fires such as oil field; and the used dietary protein origin of the present invention is in urban domestic sewage sludge, abundant raw materials, and the recycling treatment to mud provides a new outlet simultaneously; protect natural environment, had huge environmental benefit and social benefit.
2, the extraction recovery height of microprotein of the present invention, production cost is lower, and the present invention adopts adjusting material pH values such as acetic acid or carbonic acid to avoid introducing chlorion or sulfate radical, greatly reduces the corrosivity of fire foam to equipment.
3, the present invention can become protein powder with the microprotein drying, is loaded in the fire fighting truck, mixes to be directly used in stamping out a fire with water by foam maker at fire-extinguishing location, has solved the transportation problem at extinguishing chemical storage and fire-fighting scene.
The specific embodiment
The invention will be further described below in conjunction with specific embodiment.
Embodiment 1:
A kind of sludge microorganism protein foam extinguishing agent comprises that by ratio of quality and the number of copies mass concentration is 1 part of 10% a microprotein solution, 0.001 part of anticorrisive agent phenol, 0.05 part of stabilizing agent copper chloride.
A kind of preparation method of sludge microorganism protein foam extinguishing agent, step is: (1) regulates concentration of activated sludge with sodium hydroxide solution, making its moisture content is 96%, the pH value is 13, with the activated sludge after regulating at 110 ℃, hydrolysis 2 hours, carry out Separation of Solid and Liquid again, collect filtrate, (2) concentrate filtrate with concentrator, mass concentration is 10% microprotein solution, (3) getting mass concentration by mass fraction is 1 part of 10% microprotein solution, is 7 with the vinegar acid for adjusting pH value, and the microprotein product that (4) will regulate the pH value left standstill 12 hours, get supernatant, add anticorrisive agent phenol, the stabilizing agent copper chloride is pressed mass fraction, gets 0.001 part of anticorrisive agent phenol, 0.05 part of stabilizing agent copper chloride evenly is mixed and made into fire foam.
Embodiment 2:
A kind of sludge microorganism protein foam extinguishing agent comprises that by ratio of quality and the number of copies mass concentration is 1 part of 20% a microprotein solution, 0.002 part in anticorrisive agent cresols, 0.01 part in stabilizing agent aluminum sulfate.
A kind of preparation method of sludge microorganism protein foam extinguishing agent, step is: (1) regulates concentration of activated sludge with aqua calcis, making its moisture content is 93%, the pH value is 13, with the activated sludge after regulating at 140 ℃, hydrolysis 2 hours, carry out Separation of Solid and Liquid again, collect filtrate, (2) concentrate filtrate with concentrator, mass concentration is 20% microprotein solution, (3) getting mass concentration by mass fraction is 1 part of 20% microprotein solution, is 8 with the carbon acid for adjusting pH value, and the microprotein product that (4) will regulate the pH value left standstill 12 hours, get supernatant, add anticorrisive agent cresols, stabilizing agent aluminum sulfate is pressed mass fraction, gets 0.002 part in anticorrisive agent cresols, 0.01 part in stabilizing agent aluminum sulfate evenly is mixed and made into fire foam.
Embodiment 3:
A kind of sludge microorganism protein foam extinguishing agent comprises that by ratio of quality and the number of copies mass concentration is 1 part of 30% a microprotein solution, 0.0009 part of anticorrisive agent phenol, 0.04 part in stabilizing agent magnesium sulfate.
A kind of preparation method of sludge microorganism protein foam extinguishing agent, step is: (1) regulates concentration of activated sludge with aqua calcis, making its moisture content is 94%, the pH value is 12, at 130 ℃, hydrolysis 3 hours carries out Separation of Solid and Liquid again with the activated sludge after regulating, collect filtrate, (2) filtrate is concentrated, drying gets microprotein dry powder, it is 30% microprotein solution that microprotein dry powder is diluted to mass concentration, (3) getting mass concentration by mass fraction is 1 part of 30% microprotein solution, is 9 with the phosphorus acid for adjusting pH value, and the microprotein product that (4) will regulate the pH value left standstill 12 hours, get supernatant, add anticorrisive agent phenol, stabilizing agent aluminum sulfate is pressed mass fraction, gets 0.0009 part of anticorrisive agent phenol, 0.04 part in stabilizing agent magnesium sulfate evenly is mixed and made into fire foam.
The above only is preferred embodiment of the present invention, is not technical scheme of the present invention is done any pro forma restriction.Every foundation technical spirit of the present invention all still belongs in the scope of technical scheme of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (6)
1. sludge microorganism protein foam extinguishing agent is characterized in that: comprise that by ratio of quality and the number of copies mass concentration is 1 part of the microprotein solution of 5%-40%, anticorrisive agent 0.0008-0.005 part, stabilizing agent 0.008-0.06 part.
2. a kind of sludge microorganism protein foam extinguishing agent according to claim 1 is characterized in that: described anticorrisive agent is but is not limited only in phenol, cresols, PM anticorrisive agent, benzoic acid, the calcium propionate at least a.
3. a kind of sludge microorganism protein foam extinguishing agent according to claim 1 is characterized in that: described stabilizing agent is but is not limited only in copper chloride, magnesium sulfate, ferrous sulfate, aluminum sulfate, the iron chloride at least a.
4. the preparation method of a sludge microorganism protein foam extinguishing agent, it is characterized in that: comprising: (1) regulates concentration of activated sludge with aqueous slkali, making its moisture content is 92%-96%, the pH value is 10-13, with the activated sludge after regulating at 105 ℃-185 ℃, hydrolysis 1-4 hour, carry out Separation of Solid and Liquid again, collect filtrate, (2) with concentrator filtrate is concentrated, getting mass concentration is the microprotein solution of 5%-40% or is dried to microprotein dry powder, (3) get 1 part of microprotein solution that mass concentration is 5%-40% or microprotein dry powder is diluted to 1 part of the microprotein solution that mass concentration is 5%-40% by mass fraction, with acid for adjusting pH value is 7-9, and the microprotein product that (4) will regulate the pH value leaves standstill, get supernatant, add anticorrisive agent, stabilizing agent, press mass fraction, get anticorrisive agent 0.0008-0.005 part, stabilizing agent 0.008-0.06 part evenly is mixed and made into fire foam.
5. the preparation method of a kind of sludge microorganism protein foam extinguishing agent according to claim 4, it is characterized in that: described aqueous slkali is but is not limited only in sodium hydroxide solution, potassium hydroxide solution, the aqua calcis at least a.
6. the preparation method of a kind of sludge microorganism protein foam extinguishing agent according to claim 4, it is characterized in that: described acid is but is not limited only in phosphoric acid, acetic acid, carbonic acid, the meta-aluminic acid at least a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102451457A CN101745194B (en) | 2009-12-29 | 2009-12-29 | Sludge microorganism protein foam extinguishing agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102451457A CN101745194B (en) | 2009-12-29 | 2009-12-29 | Sludge microorganism protein foam extinguishing agent and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN101745194A true CN101745194A (en) | 2010-06-23 |
| CN101745194B CN101745194B (en) | 2012-02-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102775218A (en) * | 2012-08-14 | 2012-11-14 | 天津市裕川微生物制品有限公司 | Method for preparing plant nutrient solution from sludge microproteins |
| CN104368117A (en) * | 2014-11-04 | 2015-02-25 | 中国石油化工股份有限公司 | Microbial foam extinguishing agent |
| CN106943950A (en) * | 2017-03-29 | 2017-07-14 | 杨可欣 | A kind of bubble formula of liquid |
| CN108126293A (en) * | 2017-12-06 | 2018-06-08 | 田秋珍 | A kind of compound protein fire foam |
| CN114768162A (en) * | 2022-05-06 | 2022-07-22 | 山东晟润建筑工程有限公司 | Multiphase foam extinguishing agent based on excess sludge protein recovery technology and preparation method and application thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095386C (en) * | 1998-01-14 | 2002-12-04 | 中山大学 | Method for producing fire extinguishing agent using fermentation industrial waste water |
| CN100371041C (en) * | 2003-04-18 | 2008-02-27 | 湖北大学 | Preparing for protein foam fire-extinguisher by active sludge protein |
| CN101440120A (en) * | 2007-11-22 | 2009-05-27 | 天津市裕川置业集团有限公司 | Preparation of microprotein |
-
2009
- 2009-12-29 CN CN2009102451457A patent/CN101745194B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102775218A (en) * | 2012-08-14 | 2012-11-14 | 天津市裕川微生物制品有限公司 | Method for preparing plant nutrient solution from sludge microproteins |
| CN104368117A (en) * | 2014-11-04 | 2015-02-25 | 中国石油化工股份有限公司 | Microbial foam extinguishing agent |
| CN106943950A (en) * | 2017-03-29 | 2017-07-14 | 杨可欣 | A kind of bubble formula of liquid |
| CN108126293A (en) * | 2017-12-06 | 2018-06-08 | 田秋珍 | A kind of compound protein fire foam |
| CN114768162A (en) * | 2022-05-06 | 2022-07-22 | 山东晟润建筑工程有限公司 | Multiphase foam extinguishing agent based on excess sludge protein recovery technology and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101745194B (en) | 2012-02-15 |
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Assignee: Tianjin Yuchuan Environment Technology Co., Ltd. Assignor: Tianjin Yuchuan Real Estate Group Co., Ltd. Contract record no.: 2012120000041 Denomination of invention: Sludge microorganism protein foam extinguishing agent and preparation method thereof Granted publication date: 20120215 License type: Common License Open date: 20100623 Record date: 20120620 Assignee: Tianjin Yuchuan Microbiology Products Co., Ltd. Assignor: Tianjin Yuchuan Real Estate Group Co., Ltd. Contract record no.: 2012120000042 Denomination of invention: Sludge microorganism protein foam extinguishing agent and preparation method thereof Granted publication date: 20120215 License type: Common License Open date: 20100623 Record date: 20120620 |
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Denomination of invention: Sludge microorganism protein foam extinguishing agent and preparation method thereof Effective date of registration: 20161207 Granted publication date: 20120215 Pledgee: Weihai commercial bank Limited by Share Ltd Tianjin branch Pledgor: Tianjin Yuchuan Microbiology Products Co., Ltd.|Tianjin Yutian Machinery Equipment Manufacturing Co., Ltd.|Tianjin Yuchuan Real Estate Group Co., Ltd. Registration number: 2016990001062 |
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