CN104591497A - Device and method for strengthening phosphorous removal and purification of sewage in chemical and biochemical reaction processes - Google Patents

Device and method for strengthening phosphorous removal and purification of sewage in chemical and biochemical reaction processes Download PDF

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Publication number
CN104591497A
CN104591497A CN201510022006.3A CN201510022006A CN104591497A CN 104591497 A CN104591497 A CN 104591497A CN 201510022006 A CN201510022006 A CN 201510022006A CN 104591497 A CN104591497 A CN 104591497A
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dephosphorization
aerobic reactor
reactor zone
district
zone
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CN201510022006.3A
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Chinese (zh)
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许芝
费庆志
王维
马飞
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Dalian Jiaotong University
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Dalian Jiaotong University
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Abstract

The invention discloses a device and a method for strengthening phosphorous removal and purification of sewage in chemical and biochemical reaction processes, belonging to the technical field of sewage purification. The device for strengthening phosphorous removal and purification of sewage in chemical and biochemical reaction processes comprises a phosphorous removal mixing reaction region, a precipitating and separating region, an aerobic reaction region I, a hypoxic reaction region, an aerobic reaction region II and a solid-liquid separating region, wherein sewage which is primarily precipitated passes through the phosphorous removal mixing reaction region, the precipitating and separating region, the aerobic reaction region I, the hypoxic reaction region, and the aerobic reaction region II and the solid-liquid separating region in sequence; biological stuffing and phosphorous removal chemicals are provided in the aerobic reaction region I, the aerobic reaction region II and the hypoxic reaction region II. In the whole phosphorous removal process, effects of reducing COD (chemical oxygen demand) and removing nitrogen can be synchronously achieved; moreover, the device is small in integral floor space, convenient to maintain and manage daily and capable of effectively relieving burden of processing sewage by a sewage processing plant, and relieving pollution of the sewage emission to the environment.

Description

A kind of strengthening chemistry and biochemical reaction process dephosphorization water purifying device and method
Technical field
The present invention relates to technical field of sewage purification, particularly relate to a kind of strengthening chemistry and biochemical reaction process dephosphorization water purifying device and method.
Background technology
At present, although vast territory and abundant resources in China, and have the Changjiang river, Liang Tiao great river, the Yellow River, China's water resource of per capita is very low; Moreover China's water resource waste is serious, water resources areal distribution is very uneven, these all result in the country that China is a lack of water, and therefore water conservation and waste water treating and reutilizing are the task of top priority.Along with improving constantly of people's living standard, the phosphorous total amount of sanitary sewage is also in rising trend; Along with the quickening of urbanization process, the amount of sanitary sewage also increases year by year.A large amount of phosphorous sanitary sewages is not if processed directly discharge, and by aggravation river, river, lake, the eutrophication in sea and the shortage of water resources, this will directly affect living environment and the quality of life of people.
Summary of the invention
The present invention is directed to the problem of phosphorus-containing wastewater exacerbate water shortage of resources set forth above and contaminate environment, and research and design one strengthening chemistry and biochemical reaction process dephosphorization water purifying device and method.The technique means that the present invention adopts is as follows:
A kind of strengthening chemistry and biochemical reaction process dephosphorization water purifying device, comprise dephosphorization hybrid reaction district, depositing separation area, aerobic reactor zone I, hypoxia response district, aerobic reactor zone II and solid-liquid displacement zone, through just heavy sewage successively through dephosphorization hybrid reaction district, depositing separation area, aerobic reactor zone I, hypoxia response district, aerobic reactor zone II and solid-liquid displacement zone, described aerobic reactor zone I, biologic packing material and Dephosphorization reagent is equipped with in hypoxia response district and aerobic reactor zone II, described dephosphorization hybrid reaction district, depositing separation area, aerobic reactor zone I, hypoxia response district, sludge pipe is equipped with bottom aerobic reactor zone II and solid-liquid displacement zone, described sludge pipe is connected with sludge out pipe respectively by the spoil disposal variable valve of correspondence, described dephosphorization hybrid reaction district, aerobic reactor zone I, aeration tube is equipped with bottom hypoxia response district and aerobic reactor zone II, described aeration tube is all connected with blower fan by corresponding air volume regulating valve.
Further, it is inner that described depositing separation area is arranged at dephosphorization hybrid reaction district, and be communicated with dephosphorization hybrid reaction district bottom depositing separation area, the top of depositing separation area is communicated with the bottom of aerobic reactor zone I, top, aerobic reactor zone I is communicated with the top in hypoxia response district, the bottom in described hypoxia response district is communicated with the bottom of aerobic reactor zone II, and the top of aerobic reactor zone II is connected with solid-liquid displacement zone, and described biologic packing material is sponge-like polyurethane biologic packing material.
Further, the top of described depositing separation area is provided with overflow weir I, and the bottom of aerobic reactor zone I is provided with perforation distributive pipe I, and described overflow weir I is communicated with perforation distributive pipe I by pipeline; Top, described aerobic reactor zone I is provided with overflow weir II, and the bottom in hypoxia response district is provided with perforation distributive pipe II, and described overflow weir II is communicated with by the top of pipeline with hypoxia response district; The bottom of described aerobic reactor zone II is provided with perforation distributive pipe III, and top is provided with overflow weir III, and described perforation distributive pipe II is communicated with perforation distributive pipe III; Inside, described solid-liquid displacement zone is provided with swash plate and guide shell, and the lower end outlet of described guide shell is positioned at the below of swash plate, and described overflow weir III is communicated with guide shell, and top, described solid-liquid displacement zone is provided with overflow weir IV, and described overflow weir IV place is provided with rising pipe.
Further, top, described aerobic reactor zone II is provided with reflux pump, and described reflux pump is connected with hypoxia response district by reverse flow valve I, is connected with dephosphorization hybrid reaction district by reverse flow valve II.
Further, described Dephosphorization reagent is one or both in calcium sulfate or Calcium Fluoride (Fluorspan).
Further, the integrated device of this device, dephosphorization hybrid reaction district, depositing separation area, aerobic reactor zone I, hypoxia response district, is all split by dividing plate between aerobic reactor zone II and solid-liquid displacement zone.
Strengthen the method that chemistry is purified waste water with biochemical reaction process dephosphorization, comprise the following steps:
1. sewage enters dephosphorization hybrid reaction district, throws in Dephosphorization reagent to dephosphorization hybrid reaction district, reaction 30-90 minute;
2. sewage enters depositing separation area by dephosphorization hybrid reaction district, stops 5-15 minute;
3. the supernatant liquor of depositing separation area enters aerobic reactor zone I, stops 60-120 minute;
4. the liquid after the process of aerobic reactor zone I enters hypoxia response district, stops 30-60 minute;
5. the liquid after the process of hypoxia response district enters aerobic reactor zone II, stops 60-90 minute;
6. the liquid after the process of aerobic reactor zone II enters solid-liquid displacement zone, stops after 60-120 minute and discharges.
Further, in the operation 1. of described step, the excessive Dephosphorization reagent of disposable input, opens air volume regulating valve corresponding to blower fan and dephosphorization hybrid reaction district in treating processes.
Further, according to the sludge output for the treatment of processes, timing carries out spoil disposal by spoil disposal variable valve and sludge out pipe.
Compared with the prior art, one strengthening chemistry of the present invention has the following advantages with biochemical reaction process dephosphorization water purifying device:
1, this device is while whole process dephosphorization, synchronously can also reach the effect reducing COD and denitrogenation;
2, plant running is simple, and whole process adopts pulling flow type, and energy consumption is low, less investment, and after process, effluent quality index can reach GB18918-2002 first discharge standard again after sterilization;
3, the present invention can alleviate the burden of sewage work's process large amount of sewage, alleviates sewage discharge pollution on the environment;
4, the overall floor space of the present invention is little, is convenient to routine maintenance and management.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
In figure: 1, dephosphorization hybrid reaction district; 2, depositing separation area; 3, aerobic reactor zone I; 4, hypoxia response district; 5, aerobic reactor zone II; 6, solid-liquid displacement zone; 7, biologic packing material; 8, power-equipment; 9, sludge pipe; 10, spoil disposal variable valve; 11, sludge out pipe; 12, filler block; 13, overflow weir I; 14, perforation distributive pipe I; 15, overflow weir II; 16, perforation distributive pipe II; 17, perforation distributive pipe III; 18, overflow weir III; 19, swash plate; 20, guide shell; 21, overflow weir IV; 22, rising pipe; 23, aeration tube; 24, air volume regulating valve; 25, blower fan; 26, reflux pump; 27, reverse flow valve I; 28, reverse flow valve II; 29, dividing plate.
Embodiment
As shown in Figure 1, a kind of strengthening chemistry and biochemical reaction process dephosphorization water purifying device, comprise dephosphorization hybrid reaction district 1, depositing separation area 2, aerobic reactor zone I 3, hypoxia response district 4, aerobic reactor zone II 5 and solid-liquid displacement zone 6, through just heavy sewage successively through dephosphorization hybrid reaction district 1, depositing separation area 2, aerobic reactor zone I 3, hypoxia response district 4, aerobic reactor zone II 5 and solid-liquid displacement zone 6, biologic packing material 7 and Dephosphorization reagent is equipped with in described aerobic reactor zone I 3 and aerobic reactor zone II 5, biologic packing material 8 and Dephosphorization reagent is provided with in described hypoxia response district 4, described dephosphorization hybrid reaction district 1, depositing separation area 2, aerobic reactor zone I 3, hypoxia response district 4, sludge pipe 9 is equipped with bottom aerobic reactor zone II 5 and solid-liquid displacement zone 6, the sludge pipe 9 of the present embodiment is perforate sludge pipe, all sludge pipes 9 are connected with sludge out pipe 11 respectively by the spoil disposal variable valve 10 of correspondence, described biologic packing material 7 and biologic packing material 8 are sponge-like polyurethane biologic packing material.
And biologic packing material 7 and biologic packing material 8 are all fixed in equipment by filler block 12.
The top of described depositing separation area 2 is provided with overflow weir I 13, and the bottom of aerobic reactor zone I 3 is provided with perforation distributive pipe I 14, and described overflow weir I 13 is communicated with perforation distributive pipe I 14 by pipeline; Top, described aerobic reactor zone I 3 is provided with overflow weir II 15, and the bottom in hypoxia response district 4 is provided with perforation distributive pipe II 16, and described overflow weir II 15 is communicated with by the top of pipeline with hypoxia response district 4; The bottom of described aerobic reactor zone II 5 is provided with perforation distributive pipe III 17, and top is provided with overflow weir III 18, and described perforation distributive pipe II 16 is communicated with perforation distributive pipe III 17; Inside, described solid-liquid displacement zone 6 is provided with swash plate 19 and guide shell 20, the lower end outlet of described guide shell 20 is positioned at the below of swash plate 19, described overflow weir III 18 is communicated with guide shell 20 by pipeline, top, described solid-liquid displacement zone 6 is provided with overflow weir IV 21, and described overflow weir IV 21 place is provided with rising pipe 22; Be equipped with aeration tube 23 bottom described dephosphorization hybrid reaction district 1, aerobic reactor zone I 3, hypoxia response district 4 and aerobic reactor zone II 5, described aeration tube 23 is all connected with blower fan 25 by corresponding air volume regulating valve 24.
Top, described aerobic reactor zone II 5 is provided with reflux pump 26, and described reflux pump 26 is connected with hypoxia response district 4 by reverse flow valve I 27, is connected with dephosphorization hybrid reaction district 1 by reverse flow valve II 28.Described Dephosphorization reagent is one or both in calcium sulfate or Calcium Fluoride (Fluorspan).The integrated device of the present embodiment, dephosphorization hybrid reaction district 1, depositing separation area 2, aerobic reactor zone I 3, hypoxia response district 4, is all split by dividing plate 29 between aerobic reactor zone II 5 and solid-liquid displacement zone 6.
Strengthen the method that chemistry is purified waste water with biochemical reaction process dephosphorization, comprise the following steps:
1. the sewage through just precipitating sends into dephosphorization hybrid reaction district 1 by power-equipment 8, throws in Dephosphorization reagent to dephosphorization hybrid reaction district 1, reaction 30-90 minute;
2. sewage enters depositing separation area 2 by dephosphorization hybrid reaction district 1, stops 5-15 minute;
3. the supernatant liquor of depositing separation area 2 is after overflow weir I 13 is collected, and enter via perforation distributive pipe I 14 aerobic reactor zone I 3 that biologic packing material 7 and Dephosphorization reagent are housed, stop 60-120 minute, the water (flow) direction in aerobic reactor zone I 3 is from down to up;
4. the liquid after the process of aerobic reactor zone I 3 enters the top in hypoxia response district 4 after overflow weir II 15 is collected, and in hypoxia response district, current from top to bottom, stops 30-60 minute;
5. the liquid after hypoxia response district 4 process enters aerobic reactor zone II 5 through perforation distributive pipe II 16 and perforation distributive pipe III 17 successively, stop 60-120 minute, water (flow) direction in aerobic reactor zone II 5 is from the bottom to top, to the sewage containing nitric nitrogen, open reflux pump 26, sewage backflow is carried out denitrification denitrogenation to hypoxia response district 4, or is back to dephosphorization hybrid reaction district 1;
6. the guide shell 20 that the liquid after the process of aerobic reactor zone II 5 enters after overflow weir III 18 is collected, thus enter solid-liquid displacement zone 6, through swash plate 19, carry out solid-liquid separation, stop after 60-120 minute, after overflow weir IV 21 is collected, discharged by rising pipe 22.
In the operation 1. of described step, the excessive Dephosphorization reagent of disposable input, opens air volume regulating valve 24 corresponding to blower fan 25 and dephosphorization hybrid reaction district in treating processes.
According to the sludge output for the treatment of processes, timing carries out spoil disposal by spoil disposal variable valve 10 and sludge out pipe 11.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.

Claims (9)

1. a strengthening chemistry and biochemical reaction process dephosphorization water purifying device, it is characterized in that: comprise dephosphorization hybrid reaction district, depositing separation area, aerobic reactor zone I, hypoxia response district, aerobic reactor zone II and solid-liquid displacement zone, through just heavy sewage successively through dephosphorization hybrid reaction district, depositing separation area, aerobic reactor zone I, hypoxia response district, aerobic reactor zone II and solid-liquid displacement zone, described aerobic reactor zone I, biologic packing material and Dephosphorization reagent is equipped with in aerobic reactor zone II and in hypoxia response district, described dephosphorization hybrid reaction district, depositing separation area, aerobic reactor zone I, hypoxia response district, sludge pipe is equipped with bottom aerobic reactor zone II and solid-liquid displacement zone, described sludge pipe is connected with sludge out pipe respectively by the spoil disposal variable valve of correspondence, described dephosphorization hybrid reaction district, aerobic reactor zone I, aeration tube is equipped with bottom hypoxia response district and aerobic reactor zone II, described aeration tube is all connected with blower fan by corresponding air volume regulating valve.
2. strengthening chemistry according to claim 1 and biochemical reaction process dephosphorization water purifying device, it is characterized in that: it is inner that described depositing separation area is arranged at dephosphorization hybrid reaction district, and be communicated with dephosphorization hybrid reaction district bottom depositing separation area, the top of depositing separation area is communicated with the bottom of aerobic reactor zone I, top, aerobic reactor zone I is communicated with the top in hypoxia response district, the bottom in described hypoxia response district is communicated with the bottom of aerobic reactor zone II, the top of aerobic reactor zone II is connected with solid-liquid displacement zone, described biologic packing material is sponge-like polyurethane biologic packing material.
3. strengthening chemistry according to claim 2 and biochemical reaction process dephosphorization water purifying device, it is characterized in that: the top of described depositing separation area is provided with overflow weir I, the bottom of aerobic reactor zone I is provided with perforation distributive pipe I, and described overflow weir I is communicated with perforation distributive pipe I by pipeline; Top, described aerobic reactor zone I is provided with overflow weir II, and the bottom in hypoxia response district is provided with perforation distributive pipe II, and described overflow weir II is communicated with by the top of pipeline with hypoxia response district; The bottom of described aerobic reactor zone II is provided with perforation distributive pipe III, and top is provided with overflow weir III, and described perforation distributive pipe II is communicated with perforation distributive pipe III; Inside, described solid-liquid displacement zone is provided with swash plate and guide shell, and the lower end outlet of described guide shell is positioned at the below of swash plate, and described overflow weir III is communicated with guide shell, and top, described solid-liquid displacement zone is provided with overflow weir IV, and described overflow weir IV place is provided with rising pipe.
4. strengthening chemistry according to claim 3 and biochemical reaction process dephosphorization water purifying device, it is characterized in that: top, described aerobic reactor zone II is provided with reflux pump, described reflux pump is connected with hypoxia response district by reverse flow valve I, is connected with dephosphorization hybrid reaction district by reverse flow valve II.
5. strengthening according to claim 1 chemistry and biochemical reaction process dephosphorization water purifying device, is characterized in that: described Dephosphorization reagent is one or both in calcium sulfate or Calcium Fluoride (Fluorspan).
6. strengthening chemistry as claimed in any of claims 1 to 5 and biochemical reaction process dephosphorization water purifying device, it is characterized in that: the integrated device of this device, dephosphorization hybrid reaction district, depositing separation area, aerobic reactor zone I, hypoxia response district, all to be split by dividing plate between aerobic reactor zone II and solid-liquid displacement zone.
7. strengthen the method that chemistry is purified waste water with biochemical reaction process dephosphorization, adopt as the strengthening chemistry in claim 1 to 6 as described in any one and biochemical reaction process dephosphorization water purifying device, it is characterized in that: comprise the following steps:
1. sewage enters dephosphorization hybrid reaction district, throws in Dephosphorization reagent to dephosphorization hybrid reaction district, reaction 30-90 minute;
2. sewage enters depositing separation area by dephosphorization hybrid reaction district, stops 5-15 minute;
3. the supernatant liquor of depositing separation area enters aerobic reactor zone I, stops 60-120 minute;
4. the liquid after the process of aerobic reactor zone I enters hypoxia response district, stops 30-60 minute;
5. the liquid after the process of hypoxia response district enters aerobic reactor zone II, stops 60-90 minute;
6. the liquid after the process of aerobic reactor zone II enters solid-liquid displacement zone, stops after 60-120 minute and discharges.
8. the strengthening chemistry according to claim 7 method of purifying waste water with biochemical reaction process dephosphorization, is characterized in that: in the operation 1. of described step, the excessive Dephosphorization reagent of disposable input, opens blower fan and all air volume regulating valves in treating processes.
9. the chemical method of purifying waste water with biochemical reaction process dephosphorization of strengthening according to claim 7, it is characterized in that: according to the sludge output for the treatment of processes, timing carries out spoil disposal by spoil disposal variable valve and sludge out pipe.
CN201510022006.3A 2015-01-15 2015-01-15 Device and method for strengthening phosphorous removal and purification of sewage in chemical and biochemical reaction processes Pending CN104591497A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1417142A (en) * 2001-11-08 2003-05-14 深圳市中兴环境工程技术有限公司 Chemically reinforced biological phosphate-eliminating process
CN1654352A (en) * 2005-01-06 2005-08-17 重庆大学 System and method for urban sewage chemical-biologic composite deep phosphorous removal
JP2006231211A (en) * 2005-02-25 2006-09-07 Maezawa Ind Inc Waste water treatment apparatus
CN101279795A (en) * 2008-04-18 2008-10-08 北京工业大学 Chemical phosphorus removal method and apparatus based on anoxic-anaerobic-oxidation ditch
CN101486511A (en) * 2009-03-03 2009-07-22 大连交通大学 Air lift intermittent internal circulation denitrification dephosphorization sewage treatment process and apparatus
CN103265144A (en) * 2013-05-16 2013-08-28 安徽华骐环保科技股份有限公司 Town wastewater treatment process and device with intensified nitrogen and phosphorus removing function
CN103613255A (en) * 2013-12-19 2014-03-05 大连交通大学 Domestic sewage treatment integrated equipment and treatment method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1417142A (en) * 2001-11-08 2003-05-14 深圳市中兴环境工程技术有限公司 Chemically reinforced biological phosphate-eliminating process
CN1654352A (en) * 2005-01-06 2005-08-17 重庆大学 System and method for urban sewage chemical-biologic composite deep phosphorous removal
JP2006231211A (en) * 2005-02-25 2006-09-07 Maezawa Ind Inc Waste water treatment apparatus
CN101279795A (en) * 2008-04-18 2008-10-08 北京工业大学 Chemical phosphorus removal method and apparatus based on anoxic-anaerobic-oxidation ditch
CN101486511A (en) * 2009-03-03 2009-07-22 大连交通大学 Air lift intermittent internal circulation denitrification dephosphorization sewage treatment process and apparatus
CN103265144A (en) * 2013-05-16 2013-08-28 安徽华骐环保科技股份有限公司 Town wastewater treatment process and device with intensified nitrogen and phosphorus removing function
CN103613255A (en) * 2013-12-19 2014-03-05 大连交通大学 Domestic sewage treatment integrated equipment and treatment method

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Application publication date: 20150506