CN102267779B - CYYF town sewage plant whole process deodorization technique - Google Patents
CYYF town sewage plant whole process deodorization technique Download PDFInfo
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- CN102267779B CN102267779B CN 201010192900 CN201010192900A CN102267779B CN 102267779 B CN102267779 B CN 102267779B CN 201010192900 CN201010192900 CN 201010192900 CN 201010192900 A CN201010192900 A CN 201010192900A CN 102267779 B CN102267779 B CN 102267779B
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Abstract
The invention belongs to the technical field of offensive odor controlling, and discloses a method, which enables the foul gas not to be generated during a sewage plant whole treatment process, and is mainly applicable for the town sewage plant adopting an activated sludge process as a sewage treatment technique. The deodorization technique provided by the present invention relates to treating steps such as pretreatment, a biological reaction tank, a secondary sedimentation tank, sludge treating and the like in the traditional activated sludge technique. The improvement of the deodorization technique provided by the present invention is that: a deodorization sludge culture process is added to the deodorization technique, the sludge in the biological reaction tank or a small amount of the reflowed sludge from the secondary sedimentation tank is transported to a deodorization sludge culture box to carry out culturing, and a packing material A and a packing material B are placed in the deodorization sludge culture box. With the present invention, the foul gas removal efficiency of the sewage treatment plant is significant, the source of the foul gas from the sewage treatment plant is removed, such that the whole sewage treatment system almost does not generate the foul gas, and no odor is generated during the sludge treatment process; the culture box can be placed in the biological reaction tank so as to reduce the land occupation area of the culture box, or the culture box can be arranged separately; during the foul gas treatment process, the structure does not require adding a cover during air sucking, and does not require collecting pipes, such that the input cost is substantially reduced, and operation and maintenance of the sewage plant are easy to be performed; the deodorization technique is applicable for new projects and renovation and expansion projects of the traditional active sludge technique and derivative technique such as A/A/O, A/O, SBR, oxidation channel and the like.
Description
Technical field
The invention belongs to stench control techniques field, relate to a kind of Sewage Plant that makes and handle the method for not distributing foul gas in the whole process, be mainly used in the urban wastewater treatment firm of activated sludge process as sewage treatment process.
Background technology
The stench environmental pollution that produces in the sewage treatment process mainly shows: stimulate olfactory organ to cause the unhappy or detest of people, infringement HUMAN HEALTH; Metallic substance, equipment and pipeline there is certain corrodibility.The foul smell of sewage work; Mainly by between suction sump, grid, structures such as the storage basin of settling pit, preliminary sedimentation tank and sludge treating system, dehydration machine room produce, each is variant for the concentration of the odor pollution material that each structures produce and the total amount of odor pollution material.The odorant pollutant emission concentration of odor concentration in each structures and national regulation is inconsistent, enters atmosphere again after therefore must suitably handling according to emission concentration.
At present, both at home and abroad sewage work adopts foul smell to collect the method control stink of aftertreatment mostly, and to different olfacty levels, selects to adopt different treatment technologies such as chemical method and biological process respectively.No matter be chemical method or biological process, they all have higher level to the foul smell treatment effect in its scope of application, but also exist certain shortcoming.The former moves complicacy, expense is higher, can produce secondary pollution; Latter's floor space is big, need regularly replace filler or regularly add nutritive medium, and superfluous biological substance possibly cause that filler stops up.Therefore, research and development take up an area of less, investment or working cost is low, stable, convenient management, the simple technology of maintaining are that foul gas is administered the practical problems that industry need solve.
Summary of the invention
The purpose of town sewage plant whole process deodorization process of the present invention provides a kind of novel foul gas control and treatment process, overcomes the chemical deodorizing method of present widespread use or the above-mentioned shortcoming that the biological deodorizing method exists.
Town sewage plant whole process deodorization process of the present invention; The pretreatment section processing, biological reaction tank processing, second pond and the sludge treatment step that comprise traditional activated sludge process; In the conventional activated sludge process flow process, set up the deodorizing mud after adding cultivation, made and do not produce foul gas in the entire sewage treating processes; The culture condition of deodorizing culturing sludge case is: sludge concentration is controlled at about 5000-8000mg/l, and mud residence time in incubator is 24-48 hour; Dissolved oxygen is controlled at 0.4-0.6mg/l.
The deodorizing mud of cultivating through deodorizing culturing sludge case adds the pretreatment section front end to sewage work through pipeline.
Deodorizing culturing sludge case can place in the biological reaction tank, carries out the deodorizing culturing sludge.
Deodorizing culturing sludge case also can place biological reaction tank to carry out the independent of deodorizing mud outward and cultivate.
Described deodorizing culturing sludge case internal box is divided into two parts, and two kinds of filler A and B are housed respectively, and filler A is the silicate mixing compression moulding of humic acids and the 30-70% of 30-70% by mass percent, and filler B is natural volcanics class ore.
Method of the present invention comprises treatment steps such as pre-treatment in the traditional active sludge treatment process, biological reaction tank, second pond, sludge treatment; The improvement of being done is in biological treatment part anaerobism and oxygen-starved area, to add deodorizing culturing sludge case, with carrying out the deodorizing culturing sludge in biological reaction tank mud or few partial reflux mud measurement shoutage to the case of second pond; The built-in filler AB of incubator, filler A is the silicate mixing compression moulding of humic acids and the 30-70% of 30-70% by mass percent, filler B is natural volcanics class ore.Through the post-directed training and the distribution of deodorizing mud, make pollutents such as repugnant substance such as ammonia in the sewage, hydrogen sulfide, thiomethyl alcohol and organism, nitrogen, phosphorus obtain absorption and degraded, thereby controlled the effusion of foul gas in the sewage.
The invention has the beneficial effects as follows:
1. remarkable to sewage work's foul gas removal effect, from the deodorizing of Sewage Plant source, the entire sewage treatment system produces foul smell hardly;
2. sewage treatment structure need not add lid may enclose, reduces input cost greatly; Make things convenient for Sewage Plant operation and maintenance simultaneously;
3. the existence of deodorizing mud, making does not have the stink generation basically yet in the sludge handling process;
4. deodorizing culturing sludge case can place the interior appropriate location of biological reaction tank to have reduced the floor space of incubator, also can be provided with separately;
5. foul smell treatment system operation is simple, and operation expense is low;
6. strengthen sewage treatment effect, improved the characteristic of mud;
7. be applicable to the newly-built and reconstruction and extension project of the technologies of deriving such as conventional activated sludge process and A/A/O, A/O, SBR, oxidation ditch.
Description of drawings
Fig. 1 is the schema of town sewage plant whole process deodorization process embodiment 1 of the present invention;
Fig. 2 is town sewage plant whole process deodorization process embodiment 1 culturing sludge box structure figure of the present invention;
Fig. 3 is the schema of town sewage plant whole process deodorization process embodiment 2 of the present invention;
Fig. 4 is town sewage plant whole process deodorization process embodiment 2 culturing sludge box structure figure of the present invention.
Among Fig. 1,1. water inlet; 2. pretreatment section; 3. biological reaction tank; 4. second pond; 5. built-in deodorizing culturing sludge case; 6. water outlet; 7. sludge treatment section.
Among Fig. 2,5. built-in deodorizing culturing sludge case; 11. incubator top hole; 12. outer case; 13. internal box top; 14. internal box; 15. perforation dividing plate; 16. internal box lower section; 17. casing supporting leg; 18. bottom half hole; 19. air agitator.
Among Fig. 3, the 1a. water inlet; 2a. pretreatment section; 3a. biological reaction tank; 4a. second pond; 5a. external placed type deodorizing culturing sludge case; 6a. water outlet; 7a. sludge treatment section.
Among Fig. 4,5a. external placed type deodorizing culturing sludge case; 8a. outer case; 9a. internal box top; 10a. internal box; 11a. perforation dividing plate; 12a. internal box lower section; 13a. upflow tube; 14a. sludge out pipe; 15a. air agitator; 16a. advance the mud pipe.
Embodiment
Provide embodiments of the invention below in conjunction with accompanying drawing.
Embodiment 1:
(combining accompanying drawing 1,2)
The municipal wastewater treatment plant whole process deodorization process of present embodiment adds culturing sludge case 5 in conventional activated sludge process biological reaction tank 3.Sewage is from 1 flow through successively pretreatment section 2, biological reaction tank 3, the second pond 4 of intaking, and in second pond 4 solid-liquid separation, supernatant is through water outlet 6 dischargings.Second pond 4 is back to biological reaction tank 3 through the sludge part that draining produces, and excess sludge flows into sludge treatment section 7 and handles.Place built-in deodorizing culturing sludge case 5 in biological reaction tank 3 anaerobic zones and the oxygen-starved area; Mud flows into through incubator top hole 11; Mud after the cultivation flows out incubator through bottom half hole 18; A part is with removing the material that possibly produce stink in the biological reaction tank 3, and a part of deodorizing mud is dispensed to pretreatment section 2 front ends behind second pond 4, realizes from the source odorant pollutant being handled.
5 fens inside and outside two casings of built-in deodorizing culturing sludge case, internal box 14 is set up in the outer case 12.Internal box 14 is by three perforation dividing plate 15 separated into two parts, and filler A is placed on internal box top 13, and filler B is placed in internal box lower section 16; Filler A is that the silicate material of 40% humic acids and 60% is processed by containing mass percent, and filler B is natural volcanics class ore.Culturing sludge case 5 places biological reaction tank 3; Outer case 12 bottom plate have air agitator 19; Filler AB in the internal box 14 slowly discharges under the effect of air agitator 19, and cultured deodorizing mud flows into biological reaction tank 3 through bottom half hole 18 in the internal box 14.Deodorizing mud after the cultivation is dispensed to into water 1 place through pipeline, makes pollutents such as repugnant substance such as ammonia in the sewage, hydrogen sulfide, thiomethyl alcohol and organism, nitrogen, phosphorus obtain absorption and degraded, has controlled the effusion of foul gas the sewage from the WWT source.Dissolved oxygen is controlled at about 0.5mg/l in the incubator; The sustainable use of filler A and B 1 year replenished after 1 year.
Embodiment 2:
(combining accompanying drawing 3,4)
The municipal wastewater treatment plant whole process deodorization process of present embodiment adds external placed type deodorizing culturing sludge case 5a between conventional activated sludge process biological reaction tank 3a and second pond 4a.Sewage is from water inlet 1a flow through successively pretreatment section 2a, biological reaction tank 3a, second pond 4a, and in second pond 4a solid-liquid separation, supernatant discharges through draining 6a.Second pond is back to biological reaction tank 3a through the sludge part that draining 4a produces, and few part (with respect to the 2%-5% of sewage flooding quantity) is back to external placed type deodorizing culturing sludge case 5a, and excess sludge flows into sludge treatment section 7a and handles.The deodorizing mud of cultivating through external placed type deodorizing culturing sludge case 5a flows out incubator through sludge out pipe 14a; A part is with the material that possibly produce stink that removes in the biological reaction tank 3a; A part adds the front end to pretreatment section 2a, realizes from the source odorant pollutant being handled.
External placed type deodorizing culturing sludge case 5a divide inside and outside two casings, and internal box 10a is set up among the outer case 8a.Internal box 10a is by three perforation dividing plate 11a separated into two parts, and internal box top 9a places filler A, and internal box lower section 12a places filler B; Filler A is that the silicate material of 40% humic acids and 60% is processed by containing mass percent, and filler B is natural volcanics class ore.Returned sluge gets into incubator through advancing mud pipe 16a; Outer case 8a one side is established upflow tube 13a and sludge out pipe 14a, and bottom plate has air agitator 15a that internal box 10a is stirred, and makes filler AB slowly-releasing; Cultured mud flows out through sludge out pipe 14a in the internal box 13a; Be added to pretreatment section 2a front end and biological reaction tank 3a front end respectively, make Sewage Plant in pretreatment section, biological tank, settling tank, sludge treating system, all have an amount of deodorizing mud, realize malodorous Whole Process Control.Sludge concentration is controlled at 5000-8000mg/l in the incubator, and mud residence time in incubator is 24-48 hour; Dissolved oxygen is controlled at 0.5mg/l; The sustainable use of filler A and B 1 year replenished after 1 year.
Claims (4)
1. town sewage plant whole process deodorization process; The pretreatment section processing, biological reaction tank processing, second pond and the sludge treatment step that comprise traditional activated sludge process; It is characterized in that: in the conventional activated sludge process flow process, set up the deodorizing mud after adding cultivation, made and do not produce foul gas in the entire sewage treating processes; The culture condition of deodorizing culturing sludge case is: sludge concentration is controlled at about 5000-8000mg/l, and mud residence time in incubator is 24-48 hour; Dissolved oxygen is controlled at 0.4-0.6mg/l; Described deodorizing culturing sludge case internal box is divided into two parts, and two kinds of filler A and B are housed respectively, and filler A is the silicate mixing compression moulding of humic acids and the 30-70% of 30-70% by mass percent, and filler B is natural volcanics class ore.
2. town sewage plant whole process deodorization process according to claim 1 is characterized in that, the deodorizing mud of cultivating through deodorizing culturing sludge case adds the pretreatment section front end to sewage work through pipeline.
3. town sewage plant whole process deodorization process according to claim 1 is characterized in that deodorizing culturing sludge case places in the biological reaction tank, carries out the deodorizing culturing sludge.
4. town sewage plant whole process deodorization process according to claim 1 is characterized in that, deodorizing culturing sludge case places biological reaction tank to carry out the independent of deodorizing mud outward and cultivates.
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103601262B (en) * | 2013-10-24 | 2016-05-25 | 北京师范大学 | A kind of adsorption column method of utilizing waterworks sludge to remove hydrogen sulfide in waste water |
| CN105084654A (en) * | 2015-08-07 | 2015-11-25 | 柴建中 | Sewage deodorization method |
| CN105330096B (en) * | 2015-10-22 | 2017-09-29 | 天津诚信环球节能环保科技有限公司 | A kind of sewage disposal external whole process deodoration system and application |
| CN112279367A (en) * | 2020-11-28 | 2021-01-29 | 长春天皓环境科技有限公司 | Humic activated sludge process for sewage treatment |
Citations (5)
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| KR100277597B1 (en) * | 1999-06-25 | 2000-12-15 | 임동혁 | Deodorize and nutrients removal from wastewater by soil microorganisms |
| CN1311164A (en) * | 2000-02-28 | 2001-09-05 | 毛华中 | Method for removing nutrition waste, and biological reactor system |
| CN101333122A (en) * | 2007-06-26 | 2008-12-31 | 陈弓 | Method for producing high activity harmless composite treating agent for reclaiming animal and human excreta as resource |
| CN101357813A (en) * | 2007-07-31 | 2009-02-04 | 深圳百斯特环保工程有限公司 | Processing method for domestic garbage leachate |
| CN101654318A (en) * | 2009-09-08 | 2010-02-24 | 北京昊业怡生科技有限公司 | Excrement centralized processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004154675A (en) * | 2002-11-06 | 2004-06-03 | Hidekazu Itaka | Environment purifying agent obtained by using structured/concentrated deep water |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100277597B1 (en) * | 1999-06-25 | 2000-12-15 | 임동혁 | Deodorize and nutrients removal from wastewater by soil microorganisms |
| CN1311164A (en) * | 2000-02-28 | 2001-09-05 | 毛华中 | Method for removing nutrition waste, and biological reactor system |
| CN101333122A (en) * | 2007-06-26 | 2008-12-31 | 陈弓 | Method for producing high activity harmless composite treating agent for reclaiming animal and human excreta as resource |
| CN101357813A (en) * | 2007-07-31 | 2009-02-04 | 深圳百斯特环保工程有限公司 | Processing method for domestic garbage leachate |
| CN101654318A (en) * | 2009-09-08 | 2010-02-24 | 北京昊业怡生科技有限公司 | Excrement centralized processing method |
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| Title |
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| JP特开2004-154675A 2004.06.03 |
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Assignee: Tianjin Caring Technology Development Co.,Ltd. Assignor: Tianjin Capital Environmental Protection Group Co., Ltd. Contract record no.: 2011120000177 Denomination of invention: CYYF town sewage plant whole process deodorization technique License type: Exclusive License Open date: 20111207 Record date: 20110906 |
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Effective date of registration: 20160303 Address after: 300382 Tianjin Xiqing Haitai North Road No. 2 Patentee after: Tianjin Caring Technology Development Co.,Ltd. Address before: 300381 No. 2 Zijin Road, Tianjin Patentee before: Tianjin Capital Environmental Protection Group Co., Ltd. |
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Address after: 300381 Tianjin, Nankai District Jin Wei South Road, building 76, No. two Patentee after: Tianjin kying technology development Limited by Share Ltd Address before: 300382 Tianjin Xiqing Haitai North Road No. 2 Patentee before: Tianjin Caring Technology Development Co.,Ltd. |