CN207760111U - A kind of half short distance nitration reactor of kitchen waste water fermentation - Google Patents
A kind of half short distance nitration reactor of kitchen waste water fermentation Download PDFInfo
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- CN207760111U CN207760111U CN201721782038.4U CN201721782038U CN207760111U CN 207760111 U CN207760111 U CN 207760111U CN 201721782038 U CN201721782038 U CN 201721782038U CN 207760111 U CN207760111 U CN 207760111U
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- reactor
- waste water
- short distance
- kitchen waste
- distance nitration
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model discloses a kind of half short distance nitration reactors of kitchen waste water fermentation, belong to kitchen sewage process field.The reactor of the utility model includes reactor body, aerator, on-line temperature monitoring instrument, DO on-line computing models, pH on-line determinations instrument and PLC control system；The utility model realizes DO by the way that the on-line temperature monitoring instrument being connect with PLC control system, DO on-line computing models, pH on-line determinations instrument, air pump, heating device is arranged, the online feedback of temperature is adjusted；PLC control system and remote monitoring system are established into connection by LAN setting, realize that each parameters remote of reactor is consulted；Also control instruction can be sent out in remote monitoring system, and remote control is realized to reactor.
Description
Technical field
The utility model is related to a kind of half short distance nitration reactors of kitchen waste water fermentation, belong to kitchen sewage process field.
Background technology
With the quickening of economic rapid growth, city process, the yield sustainable growth of food wastes is thus right
Pollute also getting worse caused by environment, the minimizing of kitchen garbage, innoxious, disposal of resources have become to be studied now
Hot spot.Kitchen garbage is the chief component of domestic waste, and the ratio for accounting for domestic waste is about 37~62%.According to
The control of Tsinghua University solid waste pollution and Resource analysis statistical data show that China city generates kitchen garbage every year
60000000 tons or more.Kitchen garbage is using organic substances such as starch, eatable cellulose, animal tallow classes as main component.So
Kitchen garbage is a kind of resource having misplaced position, and changing food waste into resources utilization can solve kitchen garbage and draw because mishandling
The problem of " rubbish pig " problem risen and " gutter oil " reflux dining table are detrimental to health.
Kitchen garbage necessarily will produce kitchen waste water in processing procedure, and it is useless that generally use anaerobic digestion means remove kitchen
A large amount of organic matter in water, the kitchen waste water after Anaerobic Digestion have high COD, high NH4 +The features such as-N, low C/N, such as
Fruit necessarily causes process flow long using traditional denitrification process, and operating cost is high, and can be because its C/N is unbalance, denitrification mistake
Journey carbon source is insufficient, causes TN removal rates low, it is difficult to qualified discharge.Recently as the rise of some novel denitrification process, such as detest
Anaerobic ammonium oxidation technique, short-cut nitrification and denitrification technique etc., for this high COD, high NH4 +- N, low C/N waste water have some preferably
Method of disposal.Compared to traditional denitrification process, Process of Biological Nitrogen Removal is more traditional in the energy, carbon source, floor space etc.
Denitrification process has apparent advantage.
Short-cut nitrification technology can control nitrifying process in NO2 -- N the stages accumulate a large amount of nitrite.Half short distance nitre
Change can form new group technology with denitrification or Anammox, can preferably carry out biological denitrificaion, especially suitable for
High NH4 +The processing of-N, low C/N waste water.But in the prior art without the half short distance digestion reactor for kitchen waste water processing.
Utility model content
The purpose of this utility model is to propose that a purpose is to provide a kind of half short distance nitration reactor of kitchen waste water fermentation,
It is controlled including reactor body, aerator, on-line temperature monitoring instrument, DO on-line computing models, pH on-line determinations instrument and PLC and is
System；The on-line temperature monitoring instrument, DO on-line computing models, pH on-line determinations instrument stretch to inside reactor by probe respectively,
The other end is connect with PLC control system；Aerator is arranged in the bottom of reactor body, and aerator is with setting in reactor
The air pump of body exterior connects；Air pump is also connect with PLC control system；Heating device is arranged in sidewall of reactor, described to add
Thermal is connect with PLC control system；Agitating device is arranged in inside reactor, and the agitating device is connect with PLC control system.
In a kind of embodiment of the utility model, the agitating device is blender.
In a kind of embodiment of the utility model, the PLC control system is also connect with remote monitoring system, and is led to
Cross cable network and remote monitoring system exchange data information and control information.
In a kind of embodiment of the utility model, drain valve and spoil disposal are also set up on the side wall of the reactor body
Valve；The mud valve is arranged in proximal response device bottom；The drain valve is set to reactor body top.
In a kind of embodiment of the utility model, reactor bottom is equipped with air inlet, and air inlet passes through pipeline and sky
Air pump connects, and gas flowmeter is arranged between air inlet and air pump.
In a kind of embodiment of the utility model, the reactor is made of stainless steel.
In a kind of embodiment of the utility model, the heating device is silica gel heating band.
In a kind of embodiment of the utility model, asbestos layer is also set up on the outside of the silica gel heating band.
Advantageous effect：(1) the utility model is existed by the way that the on-line temperature monitoring instrument, the DO that are connect with PLC control system is arranged
Line monitor, pH on-line determinations instrument, air pump, heating device realize DO, the online feedback of temperature is adjusted；(2) pass through LAN
PLC control system and remote monitoring system are established connection by setting, realize that each parameters remote of reactor is consulted；Also it can remotely supervise
Control instruction is sent out in control system, remote control is realized to reactor.
Description of the drawings
Fig. 1 is the half short distance nitration structure of reactor schematic diagram of the utility model；Wherein；1, air pump；2, gas flow
Meter；3, aerator；4, on-line temperature monitoring instrument；5, accurate blender；6, DO on-line computing models；7, pH on-line determination instrument；.8,
Heating device；9, PLC control system；10, remote monitoring system；11, drain valve；12, mud valve.
Specific implementation mode
To make the utility model realize above objects, features, and advantages and can be more obvious and easy to understand, with reference to tool
Body embodiment is described in further detail the utility model.
As shown in Figure 1, the half short distance nitration reactor of the utility model includes reactor body, PLC control system and remote
Range monitoring system 10；Reactor body is stainless steel tubular structure, design parameter：Base diameter (φ) × height (H)=30cm ×
30cm, dischargeable capacity 15L；Reactor body bottom is equipped with air inlet and aerator, and gas flowmeter is arranged at air inlet
2, gas flowmeter 2 is connect by pipeline with air pump 1；The other end of air pump 1 is connect with PLC control system.Reactor sheet
The aerator 3 of the bottom setting of body, for providing dissolved oxygen to inside reactor；The aerator 3 is by 16 micropores
Aeration head forms, and by ventilation pipe, by reactor bottom center, uniformly diverging is distributed around, each aeration head diameter
(φ)=2cm.Drain valve 11 is arranged in sidewall of reactor and mud valve 12, mud valve 12 are set to nearly bottom section, drain valve 11
It is set to reactor top；Reactor head is equipped with accurate blender 5, agitator power 100W, 0~300rpm of rotating speed, stirring
Device contains at least two agitating paddle；Reactor body also on-line temperature monitoring instrument 4, DO on-line computing models 6, pH on-line determinations instrument 7,
It is connect respectively with the probe for being arranged in inside reactor, each parameter of inside reactor is monitored；On-line temperature monitoring instrument 4,
DO on-line computing models 6, pH on-line determinations instrument 7 are also connect with PLC control system 9 respectively, transmit a signal to PLC control system 9；
Heating device 8 is arranged in reactor body outer periphery side wall, and the heating device is silica gel heating band, and silica gel heating band passes through glass
Glue is fixed on pond body stainless steel plate, and every heat preservation bandwidth 2cm, distribution mode is according to surrounding cloth at pool bottom 5,15,25cm
It sets, heating tape general power is 3 × 100W=300W.Asbestos layer is also set up in silica gel heating band periphery, for keeping the temperature, asbestos level
Product is 0.2~0.25m2；Silica gel heating band is connect with PLC control system 9；The remote monitoring system 10 and PLC is controlled
System connects, and for the signal of PLC control system to be transferred in remote monitoring system 10, and is controlled by remote monitoring system 10
PLC control system 9 processed realizes feedback control.
The operation principle of the utility model is：Reactor is run using the SBR methods of operation.When starting operation, air is by sky
Air pump 1 reaches the aerator 3 of reactor bottom by gas flowmeter 2, is exposed by aerator 3 in aeration time section
Gas provides dissolved oxygen for internal system.Meanwhile accurate blender 5 is opened, and inside reactor muddy water is made to be sufficiently mixed；Instead
It answers in device operational process, online dissolved oxygen meter 6 exports the AI (analog inputs in 4~20mA signal transmissions to PLC control system 9
Port) channel, analog signals are converted to digital quantity signal；The upper and lower limit of DO concentration is set in PLC control system,
DO probes feed back to the DO in reactor in DO on-line computing models 6, and DO concentration is transferred to PLC controls by DO on-line computing models 6
System 9, when the signal strength that DO on-line computing models 6 transmit is less than the lower limit set, PLC control system sends out instruction at this time,
It is transmitted to air pump 1, opens air pump；It is higher than the upper limit set when holding the signal strength that oxygen instrument 6 transmits online, at this time PLC
Control system sends out instruction, closes air pump, in this way since can more be accurately controlled DO concentration in system.Similarly, temperature
On-line computing model 4 is formed in the temperature feedback of reactor to PLC control system 9 with heating and thermal insulation band 8 and is linked, and temperature is worked as
When less than set temperature, heating and thermal insulation band 8 starts heating, and temperature increases；When temperature is higher than set temperature, heating and thermal insulation band 8
Stop heating.Air pump 1 and accurate blender 5 can be timed control, when after reaction, air pump 1 and precision blender 5
It simultaneously closes off, system freedom of entry subsidence stage, drain valve 1 is opened after each cycle and is drained, meanwhile, according to reactor
Internal sludge concentration (MLSS) carries out artificial spoil disposal by mud valve 12.Server is installed in PLC control system 9,
The remote control to reactor can be achieved after installation client-side program in remote monitoring system 10, in remote monitoring system 10
Regulate signal is sent out to the server end of PLC control system 9 by LAN, to realize remote adjustment aeration quantity, stir speed (S.S.)
Etc. parameters.
The scope of protection of the utility model is not limited merely to above-described embodiment, every spirit in the utility model design
Within principle, all any modification, equivalent and improvement etc. that one of skill in the art can make should be included in this reality
Within novel protection domain.
Claims (8)
1. a kind of half short distance nitration reactor of kitchen waste water fermentation, which is characterized in that including reactor body, aerator, temperature
Spend on-line computing model, DO on-line computing models, pH on-line determinations instrument and PLC control system；The on-line temperature monitoring instrument, DO are online
Monitor, pH on-line determination instrument one end respectively by probe stretch to inside reactor body, the other end with PLC control be
System connection；Aerator is arranged in the bottom of reactor body, and aerator and the air pump being arranged outside reactor body connect
It connects；Air pump is also connect with PLC control system；Heating device, the heating device and PLC control system is arranged in sidewall of reactor
Connection；Agitating device is arranged in inside reactor, and the agitating device is connect with PLC control system.
2. half short distance nitration reactor of a kind of kitchen waste water fermentation according to claim 1, which is characterized in that the stirring
Device is blender.
3. half short distance nitration reactor of a kind of kitchen waste water fermentation according to claim 1, which is characterized in that the heating
Device is silica gel heating band.
4. half short distance nitration reactor of a kind of kitchen waste water fermentation according to claim 3, which is characterized in that the silica gel
Asbestos layer is also set up outside heating tape.
5. half short distance nitration reactor of a kind of kitchen waste water fermentation according to claim 1, which is characterized in that the reaction
Drain valve and mud valve are also set up on the side wall of device ontology；The mud valve is arranged in proximal response device bottom；The drain valve is set
It is placed in reactor body top.
6. half short distance nitration reactor of a kind of kitchen waste water fermentation according to claim 1, which is characterized in that reactor sheet
Body bottom is equipped with air inlet, and air inlet is connect by pipeline with air pump, and gas flowmeter is arranged between air inlet and air pump.
7. according to a kind of any half short distance nitration reactor of kitchen waste water fermentation of claim 1~6, which is characterized in that
Reactor body is made of stainless steel.
8. half short distance nitration reactor of a kind of kitchen waste water fermentation according to claim 7, which is characterized in that PLC is controlled
System is also connect with remote monitoring system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721782038.4U CN207760111U (en) | 2017-12-19 | 2017-12-19 | A kind of half short distance nitration reactor of kitchen waste water fermentation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721782038.4U CN207760111U (en) | 2017-12-19 | 2017-12-19 | A kind of half short distance nitration reactor of kitchen waste water fermentation |
Publications (1)
| Publication Number | Publication Date |
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| CN207760111U true CN207760111U (en) | 2018-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721782038.4U Active CN207760111U (en) | 2017-12-19 | 2017-12-19 | A kind of half short distance nitration reactor of kitchen waste water fermentation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107986434A (en) * | 2017-12-19 | 2018-05-04 | 江南大学 | A kind of half short distance nitration of kitchen waste water fermentation starts method |
-
2017
- 2017-12-19 CN CN201721782038.4U patent/CN207760111U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107986434A (en) * | 2017-12-19 | 2018-05-04 | 江南大学 | A kind of half short distance nitration of kitchen waste water fermentation starts method |
| CN107986434B (en) * | 2017-12-19 | 2020-02-14 | 江南大学 | Kitchen anaerobic wastewater semi-shortcut nitrification reactor and semi-shortcut nitrification starting method |
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