CN209411876U - A kind of combination unit preparing denitrifying carbon source using cellulose series biomass - Google Patents
A kind of combination unit preparing denitrifying carbon source using cellulose series biomass Download PDFInfo
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- CN209411876U CN209411876U CN201821892378.7U CN201821892378U CN209411876U CN 209411876 U CN209411876 U CN 209411876U CN 201821892378 U CN201821892378 U CN 201821892378U CN 209411876 U CN209411876 U CN 209411876U
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- carbon source
- quenched
- cellulose series
- series biomass
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Abstract
The utility model discloses a kind of combination units that denitrifying carbon source is prepared using cellulose series biomass, belong to environmental protection water-treatment technology field.It include: pulverizer for crushing solid phase cellulose series biomass, the side of pretreatment tank is arranged in pulverizer, pretreatment tank is connected to the side of quenched damping slot, the other side of quenched damping slot is connected to anaerobic fermentation tank by pump, function of rumen microbial inoculum is added in anaerobic fermentation tank, anaerobic fermentation tank is also connected to precipitating intermediate pool, and precipitating intermediate pool is connected to dewaterer, and liquid portion is as denitrifying carbon source after dehydration.A kind of combination unit preparing denitrifying carbon source using cellulose series biomass provided by the utility model can be upper with apparent economic advantages in denitrogenation of waste water processing application with low-cost processes sewage water denitrification.
Description
Technical field
The utility model relates to environmental protection water-treatment technology field, it is specifically related to a kind of utilize cellulose series biomass
Prepare the combination unit of denitrifying carbon source.
Background technique
Ruminant is different from other monogastric mammals to the digestion of daily ration, and there are four stomaches altogether for ruminant, respectively
Cud, reticulum, omasum and abomasum.Monogastric mammal mainly passes through the enzyme of gastric acid and the secretion of other internal organs to food digestion, battalion
It supports and is mainly absorbed in small intestine.Ruminant feed initially enters cud through esophagus after simply chewing, by micro- in cud
The monosaccharide and volatile fatty acid (VFAs) generated after biological hydrolysis acidification is absorbed by stomach wall.
Rumen microorganism carries out anaerobic fermentation to substrate in cud, and complicated polymer organic matter is by various Institute of Micro-biology
The extracellular and endocellular enzyme decomposition and inversion of secretion is intermediate or monomer, partially blood is absorbed by cud wall, partially by micro- life
Object absorb participate in its cell metabolism, it is remaining then enteron aisle continue degradation absorption.No matter the bottom which kind of can be degraded by microorganisms
Object all first can be degraded into polysaccharide or monosaccharide by the enzyme of the secretions such as rumen bacteria, fungi, finally be fermented into volatile fatty acid
(VFAs).Research shows that volatile fatty acid (VFAs), especially acetic acid, propionic acid can be used as microorganism in denilrification system
Good denitrifying carbon source.
The basic principle of biological denitrificaion is:, will by the effect of nitrifier on the basis of converting ammonia nitrogen for organic nitrogen
Mineralized nitrogen is nitrite nitrogen, nitrate nitrogen, then converts nitrogen for nitrate nitrogen by denitrification, to reach from sewage
The purpose of denitrogenation.Denitrifying bacterium can use in nitrate nitrogen as electron acceptor, oxidation of organic compounds, by nitre under anaerobic conditions
Nitrogen in hydrochlorate is reduced into nitrogen (N2), so that the denitrification process of sewage is completed, carbon source of the energy in waste water.From reason
By above saying, C/N >=2.86 just can be carried out denitrogenation, it is generally understood that, C/N >=3.5 just can be carried out effective denitrogenation.For total nitrogen content
High waste water, carbon nitrogen is unbalance, and carbon source is insufficient, needs additional carbon, conventional using easy degradations such as methanol, sodium acetate, glucose
Organic matter is as carbon source, but operating cost is high, therefore, economically viable carbon source become restrict the restriction of sewage water denitrification processing because
Element.
Utility model content
For the above-mentioned problems in the prior art, it is desirable to provide a kind of to prepare denitrification using cellulose series biomass
The combination unit of carbon source, to high efficiency, low-cost processes sewage water denitrification.
Specific technical solution is as follows:
A kind of combination unit preparing denitrifying carbon source using cellulose series biomass, comprising: pulverizer is solid for crushing
The side of pretreatment tank is set to phase cellulose series biomass, and pretreatment tank is connected to the side of quenched damping slot, quenched tune
The other side of wet sump is connected to anaerobic fermentation tank by pump, and function of rumen microbial inoculum, anaerobic fermentation tank are added in anaerobic fermentation tank
It is also connected to precipitating intermediate pool, precipitating intermediate pool is connected to dewaterer.
It is above-mentioned it is a kind of prepared in the combination unit of denitrifying carbon source using cellulose series biomass, also there is such spy
Sign, anaerobic fermentation tank are modified form CSTR (continuous stirred tank reactor continuous-stirring reactor system)
Anaerobic fermentation reactor.
It is above-mentioned it is a kind of prepared in the combination unit of denitrifying carbon source using cellulose series biomass, also there is such spy
It levies, pre-treatment medicaments is also added in pretreatment tank.
It is above-mentioned it is a kind of prepared in the combination unit of denitrifying carbon source using cellulose series biomass, also there is such spy
Sign, the bottom of quenched damping slot is provided with heating coil, be provided at the top of quenched debugging slot stirring motor, temp probe and
Laser liquid level gauge.
It is above-mentioned it is a kind of prepared in the combination unit of denitrifying carbon source using cellulose series biomass, also there is such spy
Sign pumps as screw pump, is additionally provided with pipeline delumper between screw pump and quenched damping slot.
It is above-mentioned it is a kind of prepared in the combination unit of denitrifying carbon source using cellulose series biomass, also there is such spy
Sign, further includes reflux line, and precipitating intermediate pool is also connected to one end of reflux line, the other end of reflux line and quenched damping
Slot connection.
It is above-mentioned it is a kind of prepared in the combination unit of denitrifying carbon source using cellulose series biomass, also there is such spy
Sign, dewaterer include that dehydration equipment includes belt filter press, centrifugal dehydrator, folded spiral shell dewaterer, frame dehydration machine, belt filters pressing
Machine, centrifugal dehydrator, folded spiral shell dewaterer and frame dehydration machine are sequentially communicated.
The good effect of above-mentioned technical proposal is:
A kind of combination unit preparing denitrifying carbon source using cellulose series biomass provided by the utility model, utilizes life
The cellulose series biomass such as object stalk prepare the combination unit of volatile fatty acid (VFAs), volatile fatty acid (VFAs) conduct
Denitrifying carbon source reduces operating cost.Rumen microorganism is most fast as nature degraded cellulose biolobic material, function is most complete
One of microbial flora, preparation facilities volatile fatty acid (VFAs) yield is high, reaction rate is fast；Wherein biological straw etc. can
Regenerated resources are raw material, prepare the cost of carbon source significantly lower than other modes, can reduce sewage treatment operating cost；Fermentation system
Standby volatile fatty acid (VFAs) is used as denitrifying carbon source, and microorganism is easy to use, and denitrification rate is fast, and sludge yield is more
It is few, it is upper with apparent economic advantages in denitrogenation of waste water processing application.
Detailed description of the invention
Fig. 1 is a kind of implementation of combination unit that denitrifying carbon source is prepared using cellulose series biomass of the utility model
The structural schematic diagram of example.
In attached drawing: 1, pulverizer；2, pretreatment tank；3, pre-treatment medicaments；4, heating coil；5, stirring motor；6, temperature
Probe；7, laser liquid level gauge；8, pipeline delumper；9, screw pump；10, anaerobic fermentation tank；11, intermediate pool is precipitated；12, it is dehydrated
Machine.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, with
Lower embodiment combination attached drawing 1 is to a kind of combination for preparing denitrifying carbon source using cellulose series biomass provided by the utility model
Device is specifically addressed.
Fig. 1 is a kind of implementation of combination unit that denitrifying carbon source is prepared using cellulose series biomass of the utility model
The structural schematic diagram of example, in the present embodiment, this is main using the combination unit that cellulose series biomass prepares denitrifying carbon source
Including pulverizer 1, pretreatment tank 2, pre-treatment medicaments 3, heating coil 4, stirring motor 5, temp probe 6, laser liquid level gauge 7,
Pipeline delumper 8, screw pump 9, anaerobic fermentation tank 10, precipitating intermediate pool 11, dewaterer 12.
It include pulverizer 1 using the combination unit that cellulose series biomass prepares denitrifying carbon source, pretreatment tank 2, quenched
The side of pretreatment tank 2 is arranged in damping slot, anaerobic fermentation tank 10, precipitating intermediate pool 11 and dewaterer 12, pulverizer 1, Gu
Phase cellulose series biomass is put into pretreatment tank 2 after the crushing of pulverizer 1 and is pre-processed, and solid phase cellulose series biomass is preferred
For corn stover, pretreatment tank 2 is connected to the side of quenched damping slot, and the other side of quenched damping slot and anaerobic fermentation tank 10 are logical
Pump connection is crossed, is added with function of rumen microbial inoculum in anaerobic fermentation tank 10, wherein function of rumen microbial inoculum derives from ruminant tumor gastric
It is interior, it is made through culture processing, there is fast hydrolyzing acidifying cellulosic biolobic material ability, anaerobic fermentation tank 10 is also intermediate with precipitating
Pond 11 is connected to, and precipitating intermediate pool 11 is connected to dewaterer 12, and the pretreated solid phase cellulose series biomass production of hydrolysis acidification is waved
Hair property fatty acid (VFAs), supernatant is used as denitrifying carbon source after the fluid dewatering that ferments, and residue and sewage treatment plant excess sludge are total to
With processing.
In a preferred embodiment, as shown in Figure 1, anaerobic fermentation tank 10 is modified form CSTR (continuous
Stirred tank reactor continuous-stirring reactor system) anaerobic fermentation reactor.
In a preferred embodiment, pre- to locate as shown in Figure 1, being also added with pre-treatment medicaments 3 in pretreatment tank 2
Reason medicament 3 is preferably sodium hydroxide for pre-processing solid phase cellulose series biomass, pre-treatment medicaments 3.
In a preferred embodiment, as shown in Figure 1, the bottom of quenched damping slot is provided with heating coil 4, guarantee
Feeding temperature in quenched damping slot is provided with stirring motor 5, temp probe 6 and laser liquid-level at the top of quenched debugging slot
Meter 7, wherein stirring motor 5 is also connected with blender and guarantees that the substance in quenched damping slot is uniform, and temp probe 6 for supervising in real time
The temperature in quenched damping slot is surveyed, laser liquid level gauge 7 is for the liquid level in the quenched damping slot of real-time monitoring.
In a preferred embodiment, as shown in Figure 1, pump is screw pump 9, between screw pump 9 and quenched damping slot
It is additionally provided with pipeline delumper 8, guarantees that the pipeline between quenched damping slot and anaerobic fermentation tank 10 does not block.
In a preferred embodiment, as shown in Figure 1, further including reflux line, precipitating intermediate pool also with return pipe
The one end in road is connected to, and the other end of reflux line is connected to quenched damping slot, is imitated according to the anaerobic fermentation in anaerobic fermentation tank 10
Fruit, substance in anaerobic fermentation tank 10 are partly refluxed to quenched damping slot with 0%~200%.
In a preferred embodiment, as shown in Figure 1, dewaterer 12 include dehydration equipment include belt filter press,
Centrifugal dehydrator, folded spiral shell dewaterer, frame dehydration machine, belt filter press, centrifugal dehydrator, folded spiral shell dewaterer and frame dehydration
Machine is sequentially communicated.
Hereinafter, being illustrated with a kind of specific embodiment, it should be pointed out that described in following implementation it
Structure, technique, selection are only to illustrate the feasibility of embodiment, the intention of scope of protection of the utility model that there is no restriction.
This prepares the working principle of the combination unit of denitrifying carbon source using cellulose series biomass, is first with charging
Function of rumen microbial inoculum is squeezed into anaerobic fermentation tank by system.Later using pulverizer by after the corn straw smashing of collection, corn stover
It is added by forklift to pretreatment tank, corn stover is located in advance by adding sodium hydroxide (NaOH) in pretreatment tank
Reason.Pretreated corn stover is added to quenched damping slot, and quenched damping slot is equipped with a set of heating coil and guarantees charging temperature
Degree and anaerobic fermentation temperature close, a stirring motor guarantee all stalk homogeneous, pacify respectively in quenched damping slot upper and lower ends
Two sleeving temperatures probe is filled with monitoring temperature, temperature is controlled by laser liquid level gauge.After the completion of quenched damping, material first passes around pipe
Road crusher, which is further crushed, guarantees that material is squeezed into anaerobic fermentation tank using screw pump without bulk impurity in charging.Anaerobism hair
Contain a large amount of volatile fatty acids (VFAs) in fermentation liquid after ferment, first from precipitating intermediate pool is flowed into, adjusting reflux ratio is
0%.Enter centrifugal dehydrator later to be dehydrated, clear liquid can be directly as sewage treatment plant's denitrifying carbon source, residue and secondary settling tank
Disposition is transported outward after sludge mixing filters pressing.
The above is only the utility model preferred embodiments, are not intended to limit the embodiments of the present invention and protection
Range should can appreciate that all with the utility model specification and diagramatic content institute to those skilled in the art
The equivalent replacement made and obviously change obtained scheme, the protection scope of the utility model should all be included in
It is interior.
Claims (7)
1. a kind of combination unit for preparing denitrifying carbon source using cellulose series biomass characterized by comprising pulverizer,
Pretreatment tank, quenched damping slot, anaerobic fermentation tank, precipitating intermediate pool and dewaterer,
The pulverizer is used to be arranged in crushing solid phase cellulose series biomass the side of the pretreatment tank, the pretreatment
Slot is connected to the side of the quenched damping slot, and the other side of the quenched damping slot and the anaerobic fermentation tank are connected by pump
It is logical, function of rumen microbial inoculum is added in the anaerobic fermentation tank, the anaerobic fermentation tank is also connected to the precipitating intermediate pool, institute
Precipitating intermediate pool is stated to be connected to the dewaterer.
2. a kind of combination unit for preparing denitrifying carbon source using cellulose series biomass according to claim 1, special
Sign is that the anaerobic fermentation tank is modified form CSTR anaerobic fermentation reactor.
3. a kind of combination unit for preparing denitrifying carbon source using cellulose series biomass according to claim 1, special
Sign is, pre-treatment medicaments are also added in the pretreatment tank.
4. a kind of combination unit for preparing denitrifying carbon source using cellulose series biomass according to claim 1, special
Sign is that the bottom of the quenched damping slot is provided with heating coil, be provided at the top of the quenched debugging slot stirring motor,
Temp probe and laser liquid level gauge.
5. a kind of combination unit for preparing denitrifying carbon source using cellulose series biomass according to claim 1, special
Sign is that the pump is screw pump, is additionally provided with pipeline delumper between the screw pump and the quenched damping slot.
6. a kind of combination unit for preparing denitrifying carbon source using cellulose series biomass according to claim 1, special
Sign is, further includes reflux line, and the precipitating intermediate pool is also connected to one end of the reflux line, the reflux line
The other end is connected to the quenched damping slot.
7. a kind of combination unit for preparing denitrifying carbon source using cellulose series biomass according to claim 1, special
Sign is that the dewaterer includes that dehydration equipment includes belt filter press, centrifugal dehydrator, folds spiral shell dewaterer, frame dehydration machine,
The belt filter press, the centrifugal dehydrator, the folded spiral shell dewaterer and the frame dehydration machine are sequentially communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821892378.7U CN209411876U (en) | 2018-11-16 | 2018-11-16 | A kind of combination unit preparing denitrifying carbon source using cellulose series biomass |
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|---|---|---|---|
| CN201821892378.7U CN209411876U (en) | 2018-11-16 | 2018-11-16 | A kind of combination unit preparing denitrifying carbon source using cellulose series biomass |
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| CN209411876U true CN209411876U (en) | 2019-09-20 |
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| CN201821892378.7U Expired - Fee Related CN209411876U (en) | 2018-11-16 | 2018-11-16 | A kind of combination unit preparing denitrifying carbon source using cellulose series biomass |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111362404A (en) * | 2020-03-27 | 2020-07-03 | 宁波益可达新材料有限公司 | Solid carbon source suitable for high-concentration nitrate nitrogen sewage treatment and preparation method thereof |
| CN112358047A (en) * | 2020-11-16 | 2021-02-12 | 中冶华天南京工程技术有限公司 | System and process for supplementing carbon source of sewage plant by using aquatic plants |
| CN114107031A (en) * | 2021-11-12 | 2022-03-01 | 湖南正泰水务有限公司 | Preparation device and preparation method of functional plant carbon source |
-
2018
- 2018-11-16 CN CN201821892378.7U patent/CN209411876U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111362404A (en) * | 2020-03-27 | 2020-07-03 | 宁波益可达新材料有限公司 | Solid carbon source suitable for high-concentration nitrate nitrogen sewage treatment and preparation method thereof |
| CN112358047A (en) * | 2020-11-16 | 2021-02-12 | 中冶华天南京工程技术有限公司 | System and process for supplementing carbon source of sewage plant by using aquatic plants |
| CN114107031A (en) * | 2021-11-12 | 2022-03-01 | 湖南正泰水务有限公司 | Preparation device and preparation method of functional plant carbon source |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191121 Address after: No.32, floor 1, unit 1, building 4, no.6, North Lianhua Road, Jinjiang District, Chengdu, Sichuan Patentee after: Dongxu Lantian Ecological Environmental Protection Technology Co., Ltd Address before: 200120 Shanghai City, Pudong New Area Chinese (Shanghai) Free Trade Zone North Fute Road No. 211 room 368 302 parts Patentee before: Dongxu Honghai Environmental Protection Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190920 Termination date: 20201116 |