CN204356146U - The automated processing system of denitrogenation of waste water dephosphorization - Google Patents
The automated processing system of denitrogenation of waste water dephosphorization Download PDFInfo
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- CN204356146U CN204356146U CN201520011047.8U CN201520011047U CN204356146U CN 204356146 U CN204356146 U CN 204356146U CN 201520011047 U CN201520011047 U CN 201520011047U CN 204356146 U CN204356146 U CN 204356146U
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Abstract
The utility model discloses a kind of automated processing system of denitrogenation of waste water dephosphorization, comprise Sewage treatment systems and automatic control system, described automatic control system comprises monitoring device and remote control, described Sewage treatment systems comprises anaerobic pond, oxygen compatibility pool and aerobic sludge sump, between oxygen compatibility pool and aerobic sludge sump, be provided with water distribution training wall simultaneously, diving mixer is provided with in described anaerobic pond, the aerator of falling cone-shaped surface is provided with in oxygen compatibility pool, low speed mixing impeller is provided with in aerobic sludge pond, water decanter, to dive under water nitrated reflux pump and spoil disposal submersible pump, simultaneously be externally connected with frequency conversion fan in aerobic sludge pond and liquid caustic soda adds pump.This system can be run separately flexibly, again can series operation, greatly improves dephosphorization and denitrification effect; Full automatic introducing, also reduces labour intensity, makes wastewater treatment work more intelligent, reduces overall cost of operation simultaneously.
Description
Technical field
The utility model relates to a kind of Waste Water Treatment, be particularly applied to food, printing and dyeing, electroplate, the field such as to butcher in middle low strength COD and the automated processing system of ammonia nitrogen waste water denitrogenation dephosphorizing.
Background technology
Food, printing and dyeing, electroplate, the field such as to butcher in middle low strength COD and ammonia nitrogen waste water in, its COD content have 700 mg/L, ammonia-nitrogen content be 100mg/L, total phosphorous at 5mg/L, total nitrogen content at 120mg/L.At present, the denitrification process of existing middle Low Concentration Ammonia Containing Wastewater is more, mainly contain pre-treatment+A/O system, pre-treatment+CASS system, pre-treatment+SBR system, complete hybrid anaerobic reaction system, bio-contact oxidation, secondary sodium oxidation style etc., these traditional technologys respectively have deficiency, as dephosphorization not thoroughly, ammonia nitrogen total nitrogen up to standard removal effect is not good, can handling strong, running cost is high, system parameter is unstable, floor space is large.Be directed to these traditional technologys at present simultaneously, carry out, also do not have complete automatization system under still needing to be based upon the artificial situation manipulated, this just causes the problems of operation of excessive power consumption, personnel cost increase.
Utility model content
The purpose of this utility model provides one can select workshop section and parameter flexibly to solve above-mentioned the deficiencies in the prior art, the automated processing system of the denitrogenation of waste water dephosphorization that can cut operating costs again, realizes intellectuality and the stdn of denitrogenation of waste water dephosphorization process.
To achieve these goals, the automated processing system of the denitrogenation of waste water dephosphorization designed by the utility model, comprise Sewage treatment systems and automatic control system, described Sewage treatment systems comprises anaerobic pond, oxygen compatibility pool and aerobic sludge sump, between oxygen compatibility pool and aerobic sludge sump, be provided with water distribution training wall simultaneously, diving mixer is provided with in described anaerobic pond, the aerator of falling cone-shaped surface is provided with in oxygen compatibility pool, low speed mixing impeller is provided with in aerobic sludge pond, water decanter, to dive under water nitrated reflux pump and spoil disposal submersible pump, simultaneously be externally connected with frequency conversion fan in aerobic sludge pond and liquid caustic soda adds pump.
Above-mentioned water distribution training wall can make sludge treatment hold concurrently the good oxygen condition of oxygen, and be similar to the inside and outside layering of microbial film sludge populations, organism is while the oxidized decomposition in aerobic sludge pond, ammonia nitrogen is also by nitrated one-tenth nitric nitrogen, synchronously get back to oxygen compatibility pool and carry out denitrification, reciprocation cycle, thorough denitrogenation.
Described automatic control system comprises monitoring device and the remote control according to each device in the Data Control Sewage treatment systems of monitoring device, wherein monitoring device comprises the DO on-line determination instrument and TN on-line determination instrument that are positioned at anaerobic pond, be positioned at the 2nd DO on-line determination instrument of oxygen compatibility pool, and be positioned at the 3rd DO on-line determination instrument in aerobic sludge pond, pH on-line determination instrument, MLSS on-line determination instrument and liquidometer.
One DO on-line determination instrument and TN on-line determination instrument are wherein set in anaerobic pond, in order to can according to the size of DO value (chemical oxygen demand COD) and change, on-line control diving mixer and the nitrated reflux pump of diving, to reach the release that best anaerobic environment is beneficial to phosphorus; And according to TN value (biological oxygen demand BOD) supplementary carbon source automatically, promote denitrification;
In oxygen compatibility pool, arrange the 2nd DO on-line determination instrument, be in order to can according to the size of DO value and change, the on-line control aerator of falling cone-shaped surface, to reach best double oxygen environment in order to denitrification denitrogenation;
In aerobic sludge pond, arrange the 3rd DO on-line determination instrument, pH on-line determination instrument, MLSS on-line determination instrument and liquidometer, be in order to can according to the size of DO value and change, on-line control frequency conversion fan; According to the size of pH value, Long-distance Control liquid caustic soda adds pump; According to the size of MLSS value (sludge concentration), on-line control spoil disposal submersible pump, automatic mud removing, and can run according to the sludge volume of setting, regulate low speed mixing impeller simultaneously, the sludge concentration in aerobic sludge pond is mixed with oxygen compatibility pool; According to the size of liquidometer, control the position of water decanter.
In order to the oxygen level in aerobic sludge sump can be controlled more flexibly, outside described aerobic sludge pond, be also connected with power frequency blower fan for subsequent use.When the DO value in aerobic sludge sump is less than set(ting)value, opens frequency conversion fan, and carry out variable frequency adjustment, when frequency transformer frequency conversion reaches maximum, if DO value does not still reach set(ting)value, then automatically open power frequency blower fan for subsequent use; When DO value is greater than set(ting)value, frequency converter frequency reduces, and when frequency is reduced to 0, and dissolved oxygen is still greater than set(ting)value, then need to stop power frequency blower fan for subsequent use, continues variable frequency adjustment, so analogizes, until current dissolved oxygen meets setting range.
The operation method of the automated processing system of described denitrogenation of waste water dephosphorization is after sewage is passed into Sewage treatment systems, comes gap run anaerobic pond or oxygen compatibility pool according to aerobic sludge pond drainage index.If reach below 1.0mg/L to the requirement of total phosphorous in the discharge index in aerobic sludge pond, then run anaerobic pond and aerobic sludge sump; If the requirement of emission standard to total nitrogen content reaches below 20mg/L, then run oxygen compatibility pool and aerobic sludge sump; If emission standard requires that COD content reaches 50 below mg/L, ammonia-nitrogen content is 8 below mg/L, total phosphorous, in the standard of below 15mg/L then needs to run all ponds body at below 0.5mg/L, total nitrogen content.
The automated processing system of the denitrogenation of waste water dephosphorization that the utility model obtains, rely on the dissolved oxygen in the body of each pond, sludge concentration, organic loading, biological advantages population, system can be run separately flexibly, again can series operation, greatly improves dephosphorization and denitrification effect; Achieve synchronous different oxygen and nitrification-denitrification process simultaneously, shorten the cycle of operation and reduce floor space; By monitoring device and remote control, the impact that the artificial variable factor in minimizing system operation causes or energy surplus, especially can adjust parameter according to the reaction mechanism of microorganism and degradation period flexibly; And full automatic introducing, also reduce labour intensity, make wastewater treatment work more intelligent, reduce overall cost of operation simultaneously.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of the automated processing system of the denitrogenation of waste water dephosphorization of embodiment 1;
Fig. 2 is the schema of the automated processing system of the denitrogenation of waste water dephosphorization of embodiment 1;
Fig. 3 is the schema of the automated processing system of the denitrogenation of waste water dephosphorization of embodiment 2.
In figure: anaerobic pond 10, oxygen compatibility pool 20, aerobic sludge pond 30, water distribution training wall 40, frequency conversion fan 50, liquid caustic soda adds pump 60, power frequency blower fan 80 for subsequent use, diving mixer 11, the aerator of falling cone-shaped surface 21, low speed mixing impeller 31, water decanter 32, to dive under water nitrated reflux pump 33, spoil disposal submersible pump 34, one DO on-line determination instrument 1, TN on-line determination instrument 2, 2nd DO on-line determination instrument 3, 3rd DO on-line determination instrument 4, pH on-line determination instrument 5, MLSS on-line determination instrument 6, liquidometer 7, Sewage treatment systems 91 and automatic control system 92, monitoring device 93, remote control 94.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Embodiment 1:
As Fig. 1, shown in Fig. 2, the automated processing system of the denitrogenation of waste water dephosphorization that the present embodiment provides, comprise Sewage treatment systems 91 and automatic control system 92, described Sewage treatment systems 91 comprises anaerobic pond 10, oxygen compatibility pool 20 and aerobic sludge sump 30, between oxygen compatibility pool 20 and aerobic sludge sump 30, be provided with water distribution training wall 40 simultaneously, diving mixer 11 is provided with in anaerobic pond 10, the aerator of falling cone-shaped surface 21 is provided with in oxygen compatibility pool 20, low speed mixing impeller 31 is provided with in aerobic sludge pond 30, water decanter 32, to dive under water nitrated reflux pump 33 and spoil disposal submersible pump 34, simultaneously be externally connected with frequency conversion fan 50 in aerobic sludge pond 30 and liquid caustic soda adds pump 60,
Described automatic control system 92 comprises monitoring device 93 and the remote control 94 according to device in the Data Control Sewage treatment systems 91 of monitoring device 93, wherein monitoring device comprises the DO on-line determination instrument 1 and TN on-line determination instrument 2 that are positioned at anaerobic pond 10, be positioned at the 2nd DO on-line determination instrument 3 of oxygen compatibility pool 20, and be positioned at the 3rd DO on-line determination instrument 4 in aerobic sludge pond 30, pH on-line determination instrument 5, MLSS on-line determination instrument 6 and liquidometer 7.
According to the size of DO value (chemical oxygen demand COD) and change in anaerobic pond 10, on-line control diving mixer 11 and the nitrated reflux pump 33 of diving, to reach the release that best anaerobic environment is beneficial to phosphorus; And according to TN value (biological oxygen demand BOD) supplementary carbon source automatically, promote denitrification;
According to the size of DO value and change in oxygen compatibility pool 20, the on-line control aerator of falling cone-shaped surface 21, to reach the double oxygen environment of the best in order to denitrification denitrogenation;
According to the size of DO value and change in aerobic sludge pond 30, on-line control frequency conversion fan 50; According to the size of pH value, Long-distance Control liquid caustic soda adds pump 60; According to the size of MLSS value (sludge concentration), on-line control spoil disposal submersible pump 34, automatic mud removing, and can run according to the sludge volume of setting, regulate low speed mixing impeller 31 simultaneously, the sludge concentration in aerobic sludge pond 30 is mixed with oxygen compatibility pool 20; According to the size of liquidometer, control the position of water decanter 32.
In concrete use procedure, the operation method of the automated processing system of described denitrogenation of waste water dephosphorization is after sewage is passed into Sewage treatment systems 91, comes gap run anaerobic pond 10 or oxygen compatibility pool 20 according to aerobic sludge pond 30 drainage index.If reach below 1.0mg/L to the requirement of total phosphorous in the discharge index in aerobic sludge pond 30, then run anaerobic pond 10 and aerobic sludge sump 30; If the requirement of emission standard to total nitrogen content reaches below 20mg/L, then run oxygen compatibility pool 20 and aerobic sludge sump 30; If emission standard requires that COD content reaches 50 below mg/L, ammonia-nitrogen content is 8 below mg/L, total phosphorous, in the standard of below 15mg/L then needs to run all ponds body at below 0.5mg/L, total nitrogen content.
Embodiment 2:
As shown in Figure 3, the automated processing system of the denitrogenation of waste water dephosphorization that the present embodiment provides, its general structure is identical with embodiment 1, but in concrete operations, in order to control the oxygen level in aerobic sludge sump 30 more flexibly, described aerobic sludge pond 30 is outer is also connected with power frequency blower fan 80 for subsequent use.When the DO value in aerobic sludge sump 30 is less than set(ting)value, opens frequency conversion fan 50, and carry out variable frequency adjustment, when frequency transformer frequency conversion reaches maximum, if DO value does not still reach set(ting)value, then automatically open power frequency blower fan 80 for subsequent use; When DO value is greater than set(ting)value, frequency converter frequency reduces, and when frequency is reduced to 0, and dissolved oxygen is still greater than set(ting)value, then need to stop power frequency blower fan 80 for subsequent use, continues variable frequency adjustment, so analogizes, until current dissolved oxygen meets setting range.
Claims (2)
1. the automated processing system of a denitrogenation of waste water dephosphorization, comprise Sewage treatment systems (91) and automatic control system (92), it is characterized in that: described Sewage treatment systems (91) comprises anaerobic pond (10), oxygen compatibility pool (20) and aerobic sludge sump (30), between oxygen compatibility pool (20) and aerobic sludge sump (30), be provided with water distribution training wall (40) simultaneously, diving mixer (11) is provided with in anaerobic pond (10), the aerator of falling cone-shaped surface (21) is provided with in oxygen compatibility pool (20), low speed mixing impeller (31) is provided with in aerobic sludge pond (30), water decanter (32), to dive under water nitrated reflux pump (33) and spoil disposal submersible pump (34), simultaneously be externally connected with frequency conversion fan (50) and liquid caustic soda adds pump (60) in aerobic sludge pond (30), described automatic control system (92) comprises monitoring device (93) and the remote control (94) according to each device in the Data Control Sewage treatment systems (91) of monitoring device (93), wherein monitoring device (93) comprises the DO on-line determination instrument (1) and TN on-line determination instrument (2) that are positioned at anaerobic pond (10), be positioned at the 2nd DO on-line determination instrument (3) of oxygen compatibility pool (20), and be positioned at the 3rd DO on-line determination instrument (4) in aerobic sludge pond (30), pH on-line determination instrument (5), MLSS on-line determination instrument (6) and liquidometer (7).
2. the automated processing system of denitrogenation of waste water dephosphorization according to claim 1, is characterized in that: described aerobic sludge pond (30) is also connected with power frequency blower fan (80) for subsequent use outward.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104591387A (en) * | 2015-01-08 | 2015-05-06 | 宁波市恒洁水务发展有限公司 | Automatic treatment system and automatic treatment method for removing nitrogen and phosphorus from wastewater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104591387A (en) * | 2015-01-08 | 2015-05-06 | 宁波市恒洁水务发展有限公司 | Automatic treatment system and automatic treatment method for removing nitrogen and phosphorus from wastewater |
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Granted publication date: 20150527 Effective date of abandoning: 20160824 |
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