CN110422926A - A kind of biogas slurry nitrification denitrogenation reuse autocontrol method and system - Google Patents
A kind of biogas slurry nitrification denitrogenation reuse autocontrol method and system Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The present invention provides a kind of biogas slurries to nitrify denitrogenation reuse autocontrol method, it is characterised in that: biogas slurry nitrification denitrogenation reuse autocontrol method includes: temperature, oxygen content and the pH value monitored in UASB reactor and is adjusted；It the flow of biogas slurry and waste water of livestock poultry raw water and is adjusted or alarms in monitoring turbid water system；The micro- oxygen aeration tank of monitoring No.1, No. two aeration tanks Wei Yang and dissolved oxygen concentration, pH value and ammonia nitrogen concentration in No. three aeration tanks Wei Yang are simultaneously adjusted；The flow of the mixed liquor of monitoring No.1 micro- oxygen aeration tank institute received No. three aeration tanks Wei Yang generation is simultaneously adjusted or alarms.Controling system integration degree of the invention is high, and the present invention will be fused in single system the control of all components and carry out, and system can be according to all data, the reason of some parameter drift-out normal value of comprehensive analysis, to obtain more accurate control command.System of the invention simultaneously is more simplified compared with the prior art, and treatment effeciency is higher.
Description
Technical field
The present invention relates to technical field of anaerobic fermentation, nitrify denitrogenation reuse automatic control side especially with regard to a kind of biogas slurry
Method and system.
Background technique
The mode that China's large-scale pig farm generallys use anaerobic methane production carries out recovery energy and processing to breeding wastewater.So
And the biogas slurry that pig farm breeding wastewater is generated through Anaerobic Treatment be a kind of high organic matter, high ammonia nitrogen, low COD/TN ratio (C/N < 5) it is useless
Water has the characteristics that yield is big, pollutant concentration is high, environmental pollution is serious, and efficient low-consume simultaneous denitrification is to realize it except carbon
The ideal outlet of prevention and cure of pollution.Conventional denitrification denitrification process usually by denitrifying bacterium consumption carbon source completed, but it is too low into
Water C/N ratio will lead to nitric efficiency decline, and TN cannot achieve qualified discharge.And piggery wastewater raw water contains sufficient organic carbon
Source takes the mode of raw water substep water inlet to be conducive to improve water inlet C/N ratio, realizes carbon source, basicity self-balancing, improves denitrogenation effect
Fruit.With the appearance of " livestock and poultry breeding industry pollution discharge standard " (secondary exposure draft), livestock breeding wastewater discharge mark
Brigadier is promoted to 150 mg/L of COD, 40 mg/L of ammonia nitrogen, 70 mg/L of total nitrogen and 5 mg/L of total phosphorus (TP).Nevertheless, I
The treatment process of the existing large-scale pig farm waste water of state is mainly " anaerobic methane production .A/O " group technology, the high oxyty of aerobic section
(mg/L of DO > 2) will necessarily bring huge energy loss, the up to 40%-50% of total energy consumption.Meanwhile by the low C/ of anaerobism biogas slurry
N-bit influences, and A/O sections of denitrifying carbon sources are insufficient, and basicity is unbalance, and Process for Effluent COD, TN, TP concentration is unable to reach two substantially
The emission request of secondary exposure draft.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
The purpose of the present invention is to provide a kind of biogas slurry nitrification denitrogenation reuse autocontrol method and systems, can overcome
The shortcomings that prior art.
To achieve the above object, the present invention provides a kind of biogas slurries to nitrify denitrogenation reuse autocontrol method, and feature exists
In: biogas slurry nitrification denitrogenation reuse autocontrol method includes:
Monitor temperature, oxygen content and the pH value in UASB reactor；
If temperature, oxygen content in UASB reactor and one or more deviation first predetermined value set in pH value,
One or more in temperature, oxygen content and pH value in UASB reactor are adjusted；
Monitor the flow of biogas slurry and waste water of livestock poultry raw water in turbid water system, wherein biogas slurry is the product of UASB reactor；
If the ratio between flow of biogas slurry and waste water of livestock poultry raw water deviates second predetermined value in turbid water system, turbid water system is carried out
Diagnosis, if it find that turbid water system water inlet blocks, then issues warning message, if not finding turbid water system failure,
Then adjust the flow of biogas slurry Yu waste water of livestock poultry raw water；
Monitor the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and dissolved oxygen concentration in No. three aeration tanks Wei Yang, pH value with
And ammonia nitrogen concentration；
If the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and dissolved oxygen concentration in No. three aeration tanks Wei Yang, pH value with
And one or more deviation second predetermined value set in ammonia nitrogen concentration, then to the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang
And one or more in dissolved oxygen concentration, pH value and the ammonia nitrogen concentration in No. three aeration tanks Wei Yang are adjusted；
Monitor the flow of the mixed liquor of No.1 micro- oxygen aeration tank institute received No. three aeration tanks Wei Yang generation；If the stream of mixed liquor
Amount deviates the 4th predetermined value, then diagnoses to No. three aeration tanks Wei Yang, if it find that No. three aeration tank Wei Yang water routes occur to block up
Plug, then issue the second warning message, if not finding No. three aeration tank Wei Yang failures, the flow of mixed liquor.
In a preferred embodiment, if temperature, oxygen content in UASB reactor and one in pH value or
Multinomial deviation first predetermined value set, then in temperature, oxygen content and the pH value in UASB reactor it is one or more into
Row adjustment specifically includes:
If temperature in UASB reactor is lower than UASB reactor predetermined temperature, control heating device to UASB reactor into
Row heating；
If the oxygen content in UASB reactor is higher than UASB reactor oxygen content predetermined concentration, controls and open aspiration pump progress
Pumping.
In a preferred embodiment, if the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three micro- oxygen expose
Dissolved oxygen concentration, pH value in gas pond and one or more deviation second predetermined value set in ammonia nitrogen concentration, then to No.1
In micro- oxygen aeration tank, No. two aeration tanks Wei Yang and dissolved oxygen concentration, pH value and ammonia nitrogen concentration in No. three aeration tanks Wei Yang
One or more be adjusted include the following steps:
If any micro- oxygen aeration tank in the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three aeration tanks Wei Yang is molten
It solves oxygen concentration and is lower than micro- predetermined dissolved oxygen concentration in oxygen aeration tank, then control oxygen generator and be oxygenated to micro- oxygen aeration tank；
If the pH of any micro- oxygen aeration tank in the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three aeration tanks Wei Yang
Value is lower than micro- predetermined pH value in oxygen aeration tank, then controls lye Chi Xiangwei oxygen aeration tank addition lye；
If the ammonia of any micro- oxygen aeration tank in the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three aeration tanks Wei Yang
Nitrogen concentration is lower than micro- predetermined ammonia nitrogen concentration in oxygen aeration tank, then controls heating device and improve heating power.
In a preferred embodiment, wherein dense for micro- predetermined dissolved oxygen in oxygen aeration tank of the micro- oxygen aeration tank of No.1
Degree is 0.1-0.2mg/L, and micro- predetermined dissolved oxygen concentration in oxygen aeration tank for No. two aeration tanks Wei Yang is 0.05-0.1mg/L, needle
Micro- predetermined dissolved oxygen concentration in oxygen aeration tank to No. three aeration tanks Wei Yang is 0-0.05mg/L.
In a preferred embodiment, if it find that turbid water system water inlet blocks, then warning message tool is issued
Body are as follows: via cordless communication network, send warning message to wireless terminal；
Wherein, if it find that No. three aeration tanks Wei Yang water route blocks, then the second warning message is issued specifically: via wireless
Communication network sends the second warning message to wireless terminal.
The present invention provides a kind of biogas slurries to nitrify denitrogenation reuse automatic control system, it is characterised in that: biogas slurry nitrifies denitrogenation
Reuse automatic control system includes:
UASB reactor monitors control module, is configured as:
Monitor temperature, oxygen content and the pH value in UASB reactor；
If temperature, oxygen content in UASB reactor and one or more deviation first predetermined value set in pH value,
One or more in temperature, oxygen content and pH value in UASB reactor are adjusted；
Turbid water system monitors control module, is configured as:
Monitor the flow of biogas slurry and waste water of livestock poultry raw water in turbid water system, wherein biogas slurry is the product of UASB reactor；
If the ratio between flow of biogas slurry and waste water of livestock poultry raw water deviates second predetermined value in turbid water system, turbid water system is carried out
Diagnosis, if it find that turbid water system water inlet blocks, then issues warning message, if not finding turbid water system failure,
Then adjust the flow of biogas slurry Yu waste water of livestock poultry raw water；
Multiple micro- oxygen aeration tanks monitor control module, are configured as:
Monitor the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and dissolved oxygen concentration in No. three aeration tanks Wei Yang, pH value with
And ammonia nitrogen concentration；
If the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and dissolved oxygen concentration in No. three aeration tanks Wei Yang, pH value with
And one or more deviation second predetermined value set in ammonia nitrogen concentration, then to the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang
And one or more in dissolved oxygen concentration, pH value and the ammonia nitrogen concentration in No. three aeration tanks Wei Yang are adjusted；
Monitor the flow of the mixed liquor of No.1 micro- oxygen aeration tank institute received No. three aeration tanks Wei Yang generation；If the stream of mixed liquor
Amount deviates the 4th predetermined value, then diagnoses to No. three aeration tanks Wei Yang, if it find that No. three aeration tank Wei Yang water routes occur to block up
Plug, then issue the second warning message, if not finding No. three aeration tank Wei Yang failures, the flow of mixed liquor.
In a preferred embodiment, if temperature, oxygen content in UASB reactor and one in pH value or
Multinomial deviation first predetermined value set, then in temperature, oxygen content and the pH value in UASB reactor it is one or more into
Row adjustment specifically includes:
If temperature in UASB reactor is lower than UASB reactor predetermined temperature, control heating device to UASB reactor into
Row heating；
If the oxygen content in UASB reactor is higher than UASB reactor oxygen content predetermined concentration, controls and open aspiration pump progress
Pumping.
In a preferred embodiment, if the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three micro- oxygen expose
Dissolved oxygen concentration, pH value in gas pond and one or more deviation second predetermined value set in ammonia nitrogen concentration, then to No.1
In micro- oxygen aeration tank, No. two aeration tanks Wei Yang and dissolved oxygen concentration, pH value and ammonia nitrogen concentration in No. three aeration tanks Wei Yang
One or more be adjusted include the following steps:
If any micro- oxygen aeration tank in the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three aeration tanks Wei Yang is molten
It solves oxygen concentration and is lower than micro- predetermined dissolved oxygen concentration in oxygen aeration tank, then control oxygen generator and be oxygenated to micro- oxygen aeration tank；
If the pH of any micro- oxygen aeration tank in the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three aeration tanks Wei Yang
Value is lower than micro- predetermined pH value in oxygen aeration tank, then controls lye Chi Xiangwei oxygen aeration tank addition lye；
If the ammonia of any micro- oxygen aeration tank in the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three aeration tanks Wei Yang
Nitrogen concentration is lower than micro- predetermined ammonia nitrogen concentration in oxygen aeration tank, then controls heating device and improve heating power.
In a preferred embodiment, wherein dense for micro- predetermined dissolved oxygen in oxygen aeration tank of the micro- oxygen aeration tank of No.1
Degree is 0.1-0.2mg/L, and micro- predetermined dissolved oxygen concentration in oxygen aeration tank for No. two aeration tanks Wei Yang is 0.05-0.1mg/L, needle
Micro- predetermined dissolved oxygen concentration in oxygen aeration tank to No. three aeration tanks Wei Yang is 0-0.05mg/L.
In a preferred embodiment, if it find that turbid water system water inlet blocks, then warning message tool is issued
Body are as follows: via cordless communication network, send warning message to wireless terminal；
Wherein, if it find that No. three aeration tanks Wei Yang water route blocks, then the second warning message is issued specifically: via wireless
Communication network sends the second warning message to wireless terminal.
Compared with prior art, the present invention has the advantage that currently available technology (such as CN105541008B)
Propose some removal of carbon and nitrogen treatment process, the generally existing following problem of removal of carbon and nitrogen technique in the prior art: 1, system collection
It is lower at degree, for each processing stage using the method that controls respectively control namely system in for aeration tank
Control system be the more set systems being separated from each other for the control system of sedimentation basin, this may cause several sets in control process
System interferes with each other, and makes entirely different control instruction；2, system complex causes system to be deposited due to the backwardness of control technology
In redundancy, lead to the decline of system treatment efficiency.For problem of the prior art, the present invention develops a kind of novel denitrogenation system
The autocontrol method of system.Controling system integration degree of the invention is high, and the present invention will be fused to the control of all components
Carried out in single system, system can according to all data, the reason of some parameter drift-out normal value of comprehensive analysis, thus
To more accurate control command.System of the invention simultaneously is more simplified compared with the prior art, and treatment effeciency is higher.
Detailed description of the invention
Fig. 1 is method flow diagram according to an embodiment of the present invention.
Fig. 2 is the block diagram of control system according to an embodiment of the present invention.
Fig. 3 is the block diagram of denitrification system according to an embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail, it is to be understood that guarantor of the invention
Shield range is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change
Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members
Part or other component parts.
Fig. 1 is method flow diagram according to an embodiment of the present invention.As shown, biogas slurry nitrification denitrogenation reuse is controlled automatically
Method processed includes:
Step 101: temperature, oxygen content and pH value in monitoring UASB reactor；
Step 102: if temperature, oxygen content in UASB reactor and one or more deviation first predetermined values in pH value
Set is then adjusted one or more in temperature, oxygen content and the pH value in UASB reactor；
Step 103: the flow of biogas slurry and waste water of livestock poultry raw water in monitoring turbid water system, wherein biogas slurry is the production of UASB reactor
Object；
Step 104: if the ratio between flow of biogas slurry and waste water of livestock poultry raw water deviates second predetermined value in turbid water system, to mixed water
System is diagnosed, if it find that turbid water system water inlet blocks, then issues warning message, if not finding mixed water system
System failure, then adjust the flow of biogas slurry Yu waste water of livestock poultry raw water；
Step 105: the dissolved oxygen in the micro- oxygen aeration tank of monitoring No.1, No. two aeration tanks Wei Yang and No. three aeration tanks Wei Yang is dense
Degree, pH value and ammonia nitrogen concentration；
Step 106: if the dissolved oxygen in the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three aeration tanks Wei Yang is dense
One or more deviation second predetermined value set in degree, pH value and ammonia nitrogen concentration, then to the micro- oxygen aeration tank of No.1, No. two it is micro-
One or more in oxygen aeration tank and dissolved oxygen concentration, pH value and ammonia nitrogen concentration in No. three aeration tanks Wei Yang are adjusted
It is whole；
Step 107: the flow of the mixed liquor of monitoring No.1 micro- oxygen aeration tank institute received No. three aeration tanks Wei Yang generation；If mixed
The flow for closing liquid deviates the 4th predetermined value, then diagnoses to No. three aeration tanks Wei Yang, if it find that No. three micro- oxygen are aerated water
Road blocks, then issues the second warning message, if not finding No. three aeration tank Wei Yang failures, the flow of mixed liquor.
In other embodiments, if temperature, oxygen content in UASB reactor and in pH value it is one or more partially
From first predetermined value set, then one or more in temperature, oxygen content and the pH value in UASB reactor are adjusted
It specifically includes:
If temperature in UASB reactor is lower than UASB reactor predetermined temperature, control heating device to UASB reactor into
Row heating；
If the oxygen content in UASB reactor is higher than UASB reactor oxygen content predetermined concentration, controls and open aspiration pump progress
Pumping.
In other embodiments, if in the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three aeration tanks Wei Yang
Dissolved oxygen concentration, one or more deviation second predetermined value set in pH value and ammonia nitrogen concentration, then the micro- oxygen of No.1 is exposed
One in gas pond, No. two aeration tanks Wei Yang and dissolved oxygen concentration, pH value and ammonia nitrogen concentration in No. three aeration tanks Wei Yang
Or multinomial be adjusted includes the following steps:
If any micro- oxygen aeration tank in the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three aeration tanks Wei Yang is molten
It solves oxygen concentration and is lower than micro- predetermined dissolved oxygen concentration in oxygen aeration tank, then control oxygen generator and be oxygenated to micro- oxygen aeration tank；
If the pH of any micro- oxygen aeration tank in the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three aeration tanks Wei Yang
Value is lower than micro- predetermined pH value in oxygen aeration tank, then controls lye Chi Xiangwei oxygen aeration tank addition lye；
If the ammonia of any micro- oxygen aeration tank in the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three aeration tanks Wei Yang
Nitrogen concentration is lower than micro- predetermined ammonia nitrogen concentration in oxygen aeration tank, then controls heating device and improve heating power.
In other embodiments, wherein micro- predetermined dissolved oxygen concentration in oxygen aeration tank for the micro- oxygen aeration tank of No.1 is
0.1-0.2mg/L, micro- predetermined dissolved oxygen concentration in oxygen aeration tank for No. two aeration tanks Wei Yang is 0.05-0.1mg/L, for three
Micro- predetermined dissolved oxygen concentration in oxygen aeration tank of number aeration tank Wei Yang is 0-0.05mg/L.
In other embodiments, if it find that turbid water system water inlet blocks, then warning message is issued specifically: warp
By cordless communication network, warning message is sent to wireless terminal；
Wherein, if it find that No. three aeration tanks Wei Yang water route blocks, then the second warning message is issued specifically: via wireless
Communication network sends the second warning message to wireless terminal.
Fig. 2 is the block diagram of control system according to an embodiment of the present invention.As shown, control system of the invention
201 include:
UASB reactor monitors control module 202, is configured as:
Monitor temperature, oxygen content and the pH value in UASB reactor；
If temperature, oxygen content in UASB reactor and one or more deviation first predetermined value set in pH value,
One or more in temperature, oxygen content and pH value in UASB reactor are adjusted；
Turbid water system monitors control module 203, is configured as:
Monitor the flow of biogas slurry and waste water of livestock poultry raw water in turbid water system, wherein biogas slurry is the product of UASB reactor；
If the ratio between flow of biogas slurry and waste water of livestock poultry raw water deviates second predetermined value in turbid water system, turbid water system is carried out
Diagnosis, if it find that turbid water system water inlet blocks, then issues warning message, if not finding turbid water system failure,
Then adjust the flow of biogas slurry Yu waste water of livestock poultry raw water；
Multiple micro- oxygen aeration tanks monitoring control modules (including first micro- oxygen aeration tank monitoring control module 204, second micro- oxygen aeration
Pond monitors the micro- oxygen aeration tank of control module 205, third and monitors control module 206), it is configured as:
The micro- oxygen aeration tank of monitoring No.1, No. two aeration tanks Wei Yang and dissolved oxygen concentration, pH in No. three aeration tanks Wei Yang respectively
Value and ammonia nitrogen concentration；
If the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and dissolved oxygen concentration in No. three aeration tanks Wei Yang, pH value with
And one or more deviation second predetermined value set in ammonia nitrogen concentration, then to the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang
And one or more in dissolved oxygen concentration, pH value and the ammonia nitrogen concentration in No. three aeration tanks Wei Yang are adjusted；
Monitor the flow of the mixed liquor of No.1 micro- oxygen aeration tank institute received No. three aeration tanks Wei Yang generation；If the stream of mixed liquor
Amount deviates the 4th predetermined value, then diagnoses to No. three aeration tanks Wei Yang, if it find that No. three aeration tank Wei Yang water routes occur to block up
Plug, then issue the second warning message, if not finding No. three aeration tank Wei Yang failures, the flow of mixed liquor.
In a preferred embodiment, if temperature, oxygen content in UASB reactor and one in pH value or
Multinomial deviation first predetermined value set, then in temperature, oxygen content and the pH value in UASB reactor it is one or more into
Row adjustment specifically includes:
If temperature in UASB reactor is lower than UASB reactor predetermined temperature, control heating device to UASB reactor into
Row heating；
If the oxygen content in UASB reactor is higher than UASB reactor oxygen content predetermined concentration, controls and open aspiration pump progress
Pumping.
In a preferred embodiment, if the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three micro- oxygen expose
Dissolved oxygen concentration, pH value in gas pond and one or more deviation second predetermined value set in ammonia nitrogen concentration, then to No.1
In micro- oxygen aeration tank, No. two aeration tanks Wei Yang and dissolved oxygen concentration, pH value and ammonia nitrogen concentration in No. three aeration tanks Wei Yang
One or more be adjusted include the following steps:
If any micro- oxygen aeration tank in the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three aeration tanks Wei Yang is molten
It solves oxygen concentration and is lower than micro- predetermined dissolved oxygen concentration in oxygen aeration tank, then control oxygen generator and be oxygenated to micro- oxygen aeration tank；
If the pH of any micro- oxygen aeration tank in the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three aeration tanks Wei Yang
Value is lower than micro- predetermined pH value in oxygen aeration tank, then controls lye Chi Xiangwei oxygen aeration tank addition lye；
If the ammonia of any micro- oxygen aeration tank in the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three aeration tanks Wei Yang
Nitrogen concentration is lower than micro- predetermined ammonia nitrogen concentration in oxygen aeration tank, then controls heating device and improve heating power.
In a preferred embodiment, wherein dense for micro- predetermined dissolved oxygen in oxygen aeration tank of the micro- oxygen aeration tank of No.1
Degree is 0.1-0.2mg/L, and micro- predetermined dissolved oxygen concentration in oxygen aeration tank for No. two aeration tanks Wei Yang is 0.05-0.1mg/L, needle
Micro- predetermined dissolved oxygen concentration in oxygen aeration tank to No. three aeration tanks Wei Yang is 0-0.05mg/L.
In a preferred embodiment, if it find that turbid water system water inlet blocks, then warning message tool is issued
Body are as follows: via cordless communication network, send warning message to wireless terminal；
Wherein, if it find that No. three aeration tanks Wei Yang water route blocks, then the second warning message is issued specifically: via wireless
Communication network sends the second warning message to wireless terminal.
Fig. 3 is the block diagram of denitrification system according to an embodiment of the present invention.Denitrogenation processing system of the invention includes
UASB reactor, turbid water system 301, Prepositive denitrification pond 302, first micro- oxygen aeration tank 303, second micro- oxygen aeration tank 304,
Three micro- oxygen aeration tanks 305, sedimentation basin 306.Mixed liquor flows successively through turbid water system 301, Prepositive denitrification pond 302, first micro- oxygen
Aeration tank 303, second micro- oxygen aeration tank 304, the micro- oxygen aeration tank 305 of third, sedimentation basin 306.Wherein, the micro- oxygen aeration tank of third
Mixed liquor in 305 can be back to first micro- oxygen aeration tank 303.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering
With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (10)
1. a kind of biogas slurry nitrifies denitrogenation reuse autocontrol method, it is characterised in that: the biogas slurry nitrification denitrogenation reuse is controlled automatically
Method processed includes:
Monitor temperature, oxygen content and the pH value in UASB reactor；
If temperature, oxygen content in the UASB reactor and one or more deviation first predetermined value collection in pH value
It closes, then one or more in temperature, oxygen content and the pH value in the UASB reactor is adjusted；
Monitor the flow of biogas slurry and waste water of livestock poultry raw water in turbid water system, wherein the biogas slurry is the production of the UASB reactor
Object；
If the ratio between flow of biogas slurry and waste water of livestock poultry raw water deviates second predetermined value in turbid water system, turbid water system is carried out
Diagnosis, if it find that turbid water system water inlet blocks, then issues warning message, if not finding turbid water system failure,
Then adjust the flow of biogas slurry Yu waste water of livestock poultry raw water；
Monitor the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and dissolved oxygen concentration in No. three aeration tanks Wei Yang, pH value with
And ammonia nitrogen concentration；
If the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and dissolved oxygen concentration in No. three aeration tanks Wei Yang, pH value with
And one or more deviation second predetermined value set in ammonia nitrogen concentration, then to the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang
And one or more in dissolved oxygen concentration, pH value and the ammonia nitrogen concentration in No. three aeration tanks Wei Yang are adjusted；
Monitor the flow of the mixed liquor of No.1 micro- oxygen aeration tank institute received No. three aeration tanks Wei Yang generation；If the stream of mixed liquor
Amount deviates the 4th predetermined value, then diagnoses to No. three aeration tanks Wei Yang, if it find that No. three aeration tank Wei Yang water routes occur to block up
Plug, then issue the second warning message, if not finding No. three aeration tank Wei Yang failures, the flow of mixed liquor.
2. biogas slurry as described in claim 1 nitrifies denitrogenation reuse autocontrol method, it is characterised in that: if the UASB is anti-
One or more deviation first predetermined value set in temperature, oxygen content and the pH value in device are answered, then the UASB are reacted
Temperature, oxygen content in device and one or more be adjusted in pH value specifically include:
If the temperature in the UASB reactor is lower than UASB reactor predetermined temperature, heating device is controlled to the UASB
Reactor is heated；
If the oxygen content in the UASB reactor is higher than UASB reactor oxygen content predetermined concentration, opening aspiration pump is controlled
It is evacuated.
3. biogas slurry as described in claim 1 nitrifies denitrogenation reuse autocontrol method, it is characterised in that: if the micro- oxygen of No.1 exposes
One in gas pond, No. two aeration tanks Wei Yang and dissolved oxygen concentration, pH value and ammonia nitrogen concentration in No. three aeration tanks Wei Yang
Or multinomial deviation second predetermined value set, then to the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three aeration tanks Wei Yang
In dissolved oxygen concentration, one or more be adjusted in pH value and ammonia nitrogen concentration include the following steps:
If any micro- oxygen aeration tank in the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three aeration tanks Wei Yang is molten
It solves oxygen concentration and is lower than micro- predetermined dissolved oxygen concentration in oxygen aeration tank, then control oxygen generator and be oxygenated to micro- oxygen aeration tank；
If the pH of any micro- oxygen aeration tank in the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three aeration tanks Wei Yang
Value is lower than micro- predetermined pH value in oxygen aeration tank, then controls lye pond to micro- oxygen aeration tank addition lye；
If the ammonia of any micro- oxygen aeration tank in the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three aeration tanks Wei Yang
Nitrogen concentration is lower than micro- predetermined ammonia nitrogen concentration in oxygen aeration tank, then controls heating device and improve heating power.
4. biogas slurry as claimed in claim 3 nitrifies denitrogenation reuse autocontrol method, it is characterised in that: wherein, for described
Micro- predetermined dissolved oxygen concentration in oxygen aeration tank of the micro- oxygen aeration tank of No.1 is 0.1-0.2mg/L, for No. two aeration tanks Wei Yang
Micro- predetermined dissolved oxygen concentration in oxygen aeration tank be 0.05-0.1mg/L, it is pre- for micro- oxygen aeration tank of No. three aeration tanks Wei Yang
Determining dissolved oxygen concentration is 0-0.05mg/L.
5. biogas slurry as described in claim 1 nitrifies denitrogenation reuse autocontrol method, it is characterised in that: if it find that mixed water system
System water inlet blocks, then issues warning message specifically: via cordless communication network, sends the alarm to wireless terminal
Message；
Wherein, if it find that No. three aeration tanks Wei Yang water route blocks, then the second warning message is issued specifically: via wireless
Communication network sends second warning message to wireless terminal.
6. a kind of biogas slurry nitrifies denitrogenation reuse automatic control system, it is characterised in that: the biogas slurry nitrification denitrogenation reuse is controlled automatically
System processed includes:
UASB reactor monitors control module, is configured as:
Monitor temperature, oxygen content and the pH value in UASB reactor；
If temperature, oxygen content in the UASB reactor and one or more deviation first predetermined value collection in pH value
It closes, then one or more in temperature, oxygen content and the pH value in the UASB reactor is adjusted；
Turbid water system monitors control module, is configured as:
Monitor the flow of biogas slurry and waste water of livestock poultry raw water in turbid water system, wherein the biogas slurry is the production of the UASB reactor
Object；
If the ratio between flow of biogas slurry and waste water of livestock poultry raw water deviates second predetermined value in turbid water system, turbid water system is carried out
Diagnosis, if it find that turbid water system water inlet blocks, then issues warning message, if not finding turbid water system failure,
Then adjust the flow of biogas slurry Yu waste water of livestock poultry raw water；
Multiple micro- oxygen aeration tanks monitor control module, are configured as:
Monitor the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and dissolved oxygen concentration in No. three aeration tanks Wei Yang, pH value with
And ammonia nitrogen concentration；
If the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and dissolved oxygen concentration in No. three aeration tanks Wei Yang, pH value with
And one or more deviation second predetermined value set in ammonia nitrogen concentration, then to the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang
And one or more in dissolved oxygen concentration, pH value and the ammonia nitrogen concentration in No. three aeration tanks Wei Yang are adjusted；
Monitor the flow of the mixed liquor of No.1 micro- oxygen aeration tank institute received No. three aeration tanks Wei Yang generation；If the stream of mixed liquor
Amount deviates the 4th predetermined value, then diagnoses to No. three aeration tanks Wei Yang, if it find that No. three aeration tank Wei Yang water routes occur to block up
Plug, then issue the second warning message, if not finding No. three aeration tank Wei Yang failures, the flow of mixed liquor.
7. biogas slurry as claimed in claim 6 nitrifies denitrogenation reuse automatic control system, it is characterised in that: if the UASB is anti-
One or more deviation first predetermined value set in temperature, oxygen content and the pH value in device are answered, then the UASB are reacted
Temperature, oxygen content in device and one or more be adjusted in pH value specifically include:
If the temperature in the UASB reactor is lower than UASB reactor predetermined temperature, heating device is controlled to the UASB
Reactor is heated；
If the oxygen content in the UASB reactor is higher than UASB reactor oxygen content predetermined concentration, opening aspiration pump is controlled
It is evacuated.
8. biogas slurry as claimed in claim 6 nitrifies denitrogenation reuse automatic control system, it is characterised in that: if the micro- oxygen of No.1 exposes
One in gas pond, No. two aeration tanks Wei Yang and dissolved oxygen concentration, pH value and ammonia nitrogen concentration in No. three aeration tanks Wei Yang
Or multinomial deviation second predetermined value set, then to the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three aeration tanks Wei Yang
In dissolved oxygen concentration, one or more be adjusted in pH value and ammonia nitrogen concentration include the following steps:
If any micro- oxygen aeration tank in the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three aeration tanks Wei Yang is molten
It solves oxygen concentration and is lower than micro- predetermined dissolved oxygen concentration in oxygen aeration tank, then control oxygen generator and be oxygenated to micro- oxygen aeration tank；
If the pH of any micro- oxygen aeration tank in the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three aeration tanks Wei Yang
Value is lower than micro- predetermined pH value in oxygen aeration tank, then controls lye pond to micro- oxygen aeration tank addition lye；
If the ammonia of any micro- oxygen aeration tank in the micro- oxygen aeration tank of No.1, No. two aeration tanks Wei Yang and No. three aeration tanks Wei Yang
Nitrogen concentration is lower than micro- predetermined ammonia nitrogen concentration in oxygen aeration tank, then controls heating device and improve heating power.
9. biogas slurry as claimed in claim 8 nitrifies denitrogenation reuse automatic control system, it is characterised in that: wherein, for described
Micro- predetermined dissolved oxygen concentration in oxygen aeration tank of the micro- oxygen aeration tank of No.1 is 0.1-0.2mg/L, for No. two aeration tanks Wei Yang
Micro- predetermined dissolved oxygen concentration in oxygen aeration tank be 0.05-0.1mg/L, it is pre- for micro- oxygen aeration tank of No. three aeration tanks Wei Yang
Determining dissolved oxygen concentration is 0-0.05mg/L.
10. biogas slurry as claimed in claim 6 nitrifies denitrogenation reuse automatic control system, it is characterised in that: if it find that mixed water
System water inlet blocks, then issues warning message specifically: via cordless communication network, sends the report to wireless terminal
Alert message；
Wherein, if it find that No. three aeration tanks Wei Yang water route blocks, then the second warning message is issued specifically: via wireless
Communication network sends second warning message to wireless terminal.
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Application publication date: 20191108 |