CN1935683A - Slag treating agent and its process and equipment for treating sewage - Google Patents
Slag treating agent and its process and equipment for treating sewage Download PDFInfo
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- CN1935683A CN1935683A CN 200510106635 CN200510106635A CN1935683A CN 1935683 A CN1935683 A CN 1935683A CN 200510106635 CN200510106635 CN 200510106635 CN 200510106635 A CN200510106635 A CN 200510106635A CN 1935683 A CN1935683 A CN 1935683A
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Abstract
The invention provides a slag treating agent, and the sewage treating process and device using the slag treating agent. And the treating agent is composed of slags as main component and inorganic salt flocculating agent added in proportion. And it adds the treating agent in sewage, rotates and mixes the sewage at high speed to neutralize, adsorb, flocculate, mix-coagulate and settle, and separate out clean water, treats the separated clean water by ion exchange column and sterilizing tank and finally obtains effluent water reaching the medium- grade water recycle standard. And the treating agent has extremely strong adsorbing, flocculating, filtering and settling effects, and after treatment, all the mud can be recycled. And the invention can radically control the damage of pollutant to the environment.
Description
The present invention relates to a kind of sewage-treating agent and technology of disposing of sewage and equipment.Promptly be that to adopt slag be that the sewage-treating agent of main component flocculates, after absorption, sedimentation and filtration separates, removes ammonia nitrogen with ion-exchange again sewage, with dioxide peroxide or the germ-resistant technology of chlorine and be the specific equipment of this technological design.
China is the country of a shortage of water resources, continuous increase and industrial construction and development along with urban population, Freshwater resources are supplied with epitonos, quality of water environment constantly worsens, cause the waters ecological functions to be degenerated, can utilize the further minimizing at water source and the aggravation of water resources imbalance between supply and demand.The water resources development and utilization degree is near limit, the matter of utmost importance of restriction urban sprawl and Economic development is the shortage of water resources problem, middle water reuse is internationally recognized " second water source, city ", is widely adopted in many lacks of water city, the world, and is used as the emphasis of water saving.
Along with the process of urban industryization, a large amount of lives, pile up like a mountain for Industrial Boiler coal furnace slag, serious pollution environment and take valuable land resources.
The objective of the invention is to be to provide a kind of waste recycling, is the sewage-treating agent of main component with coal-fired slag.
A further object of the present invention is to provide a kind of city domestic sewage and Industrial Wastewater Treatment is the required sewage treatment process of water reuse requirement in satisfying.
Another object of the present invention is to provide a kind of this sewage treatment process employed equipment.
Sewage treatment process of the present invention is achieved in that
1. add above-mentioned sewage-treating agent in sewage, add-on is every cubic metre of sewage 0.1-0.2kg;
2. the sewage that will add treatment agent with the high speed centrifugation water pump is through making its high speed rotating and mixing in special water pump water inlet pipe and water outlet pipe and reaction chamber, enters flocculation basin again and settling pond is isolated clear water;
3. isolated clear water enters the ion exchange column that clinoptilolite is housed, and the ammonia nitrogen of remnants and dirt are carried out ion-exchange and filter and removed;
4. at last clear water is sent into the disinfection pond, after with the disinfection by chlorine dioxide sterilization, obtained meeting the middle water of reuse water requirement.
Sewage-treating agent of the present invention is a main raw material(s) with coal-fired slag, allocates flocculation agent again into, and proportioning is: coal-fired slag: flocculation agent=8-8.5: 2-1.5
Coal furnace dreg chemistry composition of the present invention is as follows:
| Coal | Sio2 | Fe2O3 | AI2O3 | CaO | MgO | K2O | Carbon residue |
| Bituminous coal | 37.8-60.9 | 4.3-24.9 | 16.8-35.2 | 0.9-9.6 | 0.4-3.9 | 0.3-3.4 | 10-30 |
| Hard coal | 49.3-62.5 | 5.1-16.1 | 15.1-25.2 | 0.7-4.9 | 0.5-1.8 | 1.3-2.8 | 10-30 |
| Brown coal | 21.0-59.1 | 4.5-12.2 | 12.2-23.1 | 1.7-41.3 | 1.1-2.4 | 0.9-2.8 | 10-30 |
Coal-fired slag physical property is as follows:
| Effective size of |
Nonuniformity coefficient 80 | Equivalent particle diameter d P/m | The bed porosity | Density s/ (kg.m-3) | Water-intake rate H2O |
| 0.345*1O -3 | 1.99 | 0.45*10 -3 | 0.555 | 2.3*10 3 | 0.413 |
| Annotate: through artificial broken sulphur content sieve, particle diameter is in the 0.2-0.8mm scope | |||||
Slag tool vesicular structure, its porosity reaches 50%-60%, specific surface area is big, the surface energy height contains the about 10-30% of carbon residue in the slag, have the character of gac, contain in the slag multiple basic oxide be immersed in water the back soluble in water in, so have the effect of very strong neutralization, absorption and flocculation, coagulant precipitation, after adding certain flocculation agent, be a kind of ideal sewage-treating agent.
Flocculation agent of the present invention is: inorganic salts flocculation agent commonly used such as potassium aluminium sulfate, Tai-Ace S 150 or aluminum chloride or iron trichloride etc., so that select different flocculation agents according to different water quality, because sewage-treating agent of the present invention is made up of above-mentioned slag and flocculation agent, pollutants in sewage is at first adsorbed by slag, again the effect by flocculation agent, under the effect of powerful neutralization, absorption and flocculation, coagulant precipitation, after impelling pollutent and water sepn, sedimentation is removed rapidly, has thoroughly purified sewage.
The process of this technology is finished like this:
(1) equipment used in the present invention is circular, the bottom is taper, be provided with the spiral catch of interruption in special water pump water inlet pipe and water outlet pipe and the reaction chamber, make sewage advance at water pump, produce high speed rotating and eddy current in rising pipe and the reaction chamber, reach the sewage behind the thorough mixing, enter reaction chamber from conical lower portion, enter from the top of reaction chamber again and flocculate the flowing downward of flocculation basin and precipitate, bottom at flocculation basin upwards flows into settling pond, in settling pond, isolate clear water, make that having formed one in body middle and lower part, pond has 1-2 rice thick, very fine and close suspension mud layer, all all must be by the filtration of this suspension mud layer through isolating sewage behind the coagulation, the ability up-flow is to the clear water pooling zone on settling pond top, it has very successfully played very important filteration in the sewage advanced processes technology, and the flco itself that this suspension mud layer is formed by mud in the sewage and sewage-treating agent coagulation is formed.Along with the motion from bottom to top of flco, the following top layer of mud layer is constantly increased, thickening.Simultaneously, along with the bypass that hydraulic principle forms is flowed, guiding the upper epidermis of suspension mud layer constantly to flow into the bucket that grafts clay, upper epidermis constantly reduces, attenuation.Like this, the thickness of suspension mud layer has reached dynamic balance, when this suspension mud layer is passed in the water outlet behind the coagulation from bottom to top, the flco filtering layer is by the effect of surface physics absorption and electrochemical properties, all interception is on this suspension mud layer with suspensoid particle, flco, bacterium thalline or the like impurity, and clear water flows out from the top of settling pond.
The shape of three reaction tanks, size and geometrical dimension, be the combined system under calculating through very meticulous ydrodynamics parameter designing, form unique sewage disposal treating pond, the sewage-treating agent combination formula that Sewage treatment systems is used can play one's part to the full.
(2) isolated mud is discharged to sludge thickener by the pipeline that the bucket that grafts clay is provided with, and takes away after the mud that reaches capacity is squeezed, and remaining mud is sent into pump intake again and is repeatedly used.
(3) isolated clear water flows into ion exchange column, utilizes the ion-exchange performance of clinoptilolite and powerful filtering function, and ammonia nitrogen and the dirt of remnants are removed, and used zeolite is reused after regenerating.
(4) will send into the disinfection pond through the clear water of ion exchange treatment, with the dioxide peroxide of chlorine dioxide generator manufacturing or directly clear water is carried out disinfection completely with liquid chlorine, make water outlet reach in the standard of water reuse water quality, water reuse pipeline in sending into.
The present invention and existing or traditional sewage treatment technology relatively have unrivaled advantage and effect energetically:
1, sewage-treating agent used in the present invention has very strong adsorptive power, and flocculate, settling velocity is fast, can thoroughly remove pollutants in sewage, make sewage and pollutent sharp separation, the clear water that obtains is removed remaining ammonia nitrogen and dirt in the clinoptilolite ion exchange column after, obtain the fine reuse water through the disinfection processing.
2, technical process of the present invention is simple, can dispose of sewage by a large amount of successive.Contained slag dehydrates again easily because of flocculation has deposited organic nutrient substances a large amount of in the sewage in the mud, and mud is the fine long-acting compound organic fertilizer after reclaiming and handling through disinfection, can not cause secondary pollution, is again good soil improvement agent;
3, technical process provided by the invention, power consumption seldom, because there is not the denitrifying biochemical treatment program of traditional biological nitration, remove construction cost and dynamo-electric working cost that facilities such as required electric motor of biological explosion fate row and aerating pipe, biochemistry pool drop into from, reduced running cost greatly.
4, slag and zeolite are good reodorant, have good deodorization functions, and the stink of sewage is absorbed by slag and zeolite, so be destitute of smell in treating processes, environment is with fresh air to have good effect with warding off disease to propagate to keeping for this.
5, the present invention can handle various sanitary sewages and trade effluent, and makes it to reach the emission standard of the middle water reuse of regulation, through the sewage of art breading of the present invention can be directly used in except that drink with the foodstuffs industry water all industry and agricultural and city reuses.Fundamentally solved the difficult problem of waste water control, for water saving, opened up city second water resources, alleviated water supply gets, the protection environment for human survival has extremely positive meaning.
6, slag serious environment pollution used in the present invention and land occupation, this is waste recycling, a kind of method of multiple solution of energy and minimizing urban pollution resource.
7, the present invention can handle city domestic sewage and paper waste thereof, dyeing waste water, pharmaceutical factory's waste water, sugar refinery's sewage, beer brewery water or the like trade effluent, and water reuse water quality specified standards in making it to reach, a difficult problem that has fundamentally solved waste water control is really bought the zero release that has showed sewage disposal.
Fig. 1 is the structure iron of the special specific equipment of technology of the present invention;
Fig. 2 is the floor map of the special specific equipment of technology of the present invention.
Special specific equipment below in conjunction with 1 couple of the present invention of accompanying drawing is done as detailed below:
Sewage and slag treating agent are inhaled into advancing of water pump in equalizing tank 10, rising pipe 1 and reaction chamber 2, be provided with the spiral type catch of interruption in water pipe 1 and the reaction chamber 2, make sewage produce high speed rotating and eddy current, reach well-mixed purpose, slag treating agent promptly adsorbs the dirt in the sewage, sewage enters flocculation basin 3, in flowing downward, flocculate into the wadding flower attached on the slag, the thick suspension mud layer of 1-2 rice is formed at the bottom at flocculation basin 3 and settling pond 4, and isolate clear water, clear water is crossed and is filtered through the interception of this suspension mud layer, rises to the top of settling pond 4, forms clear liquor and enters clinoptilolite ion exchange column 7, filter once more through clinoptilolite, exchange, enter disinfection pond 8 after removing remaining ammonia nitrogen and other pollutent, in disinfection pond 8 through dioxide peroxide or liquid chlorine disinfection, as clear as crystal, nonpoisonous and tasteless high-quality clear water is sent into intermediate water pipeline.
In the middle and lower part of settling pond 4, be provided with four buckets 5 that graft clay, guiding the suspension mud layer constantly to flow into the bucket 5 that grafts clay, make that sludge blanket constantly reduces, attenuation.Like this, the thickness of suspension mud layer has just reached a dynamic balance, and isolated mud is discharged to sludge thickener 9 by the pipeline 6 that the bucket 5 that grafts clay is provided with, and the mud that reaches capacity is removed, squeezing back dewatering and recovery is used, and remaining mud is sent into pump intake again and is repeatedly used.
Sewage-treating agent 1 is handled sanitary sewage, prepares by following proportioning:
Slag (particle diameter is less than 0.08mm): potassium aluminium sulfate=sewage-treating agent 2 was handled cotton pulp waste water in 8: 2, prepared by following proportioning:
Slag (particle diameter is less than 0.4mm): aluminum chloride=8.5: 1.5 sewage-treating agent 3 treatment of dyeing and printing, prepare by following proportioning:
Slag (particle diameter is less than 0.15mm): iron trichloride=8.5: 1.5
Adopt the sewage-treating agent 1 of embodiment 1, its composition is: SiO
251.6%, AI
2O
326.3%, carbon residue 21%, below the particle diameter 0.08mm, bulk density 0.48, pH value 7.4, flocculation agent is a potassium aluminium sulfate.
Get Urumqi City, Xinjiang urban sewage pipe sewage and handle, the sewage composition is: BOD5 187.6; COD 452; SS 388; 21 ℃ of water temperatures; Total nitrogen 46.2; Total phosphorus 2.86; Coliform 2.7 * 10
5
1, add 0.25kg sewage-treating agent 1 by every cubic metre of sewage, with sewage suction reaction chamber 2, reaction chamber 2 and flocculation basin 3 are 180 cubic metres with the cubic capacity of settling pond 4 with the flow of 1.4 cubic meters per minute.
2, the total residence time of sewage in three ponds is 2 hours, clear water is fully separated with mud and clarifies, and clear water flows into the clinoptilolite ion exchange column and filters and remove ammonia nitrogen, and the clear water water quality when flowing into ion exchange column is: BOD
517.6; COD 48.1; SS12.8; Total nitrogen 18.3; Total phosphorus 0.32; Coliform 1.2 * 10
3
3, obtain clear water behind ion exchange column and disinfection, its clear water water quality is: BOD
54.7 clearance 97.4%; COD 15.3 clearances 96.6%; SS 0.6 clearance 99.8%; Total nitrogen 2.2 clearances 95.2%; Total phosphorus 0.04 clearance 98.6%; Coliform 0 clearance 100%.
Claims (6)
1, a kind of sewage treatment process is characterized in that it is made up of following process steps:
1. adding with the slag in sewage is the sewage-treating agent of main component, and add-on is the sewage-treating agent of every cubic metre of sewage 0.1-0.2kg;
2. the sewage that will add treatment agent with the high speed centrifugation water pump is through making its high speed rotating and mixing in special water pump water inlet pipe and water outlet pipe and reaction chamber, enters flocculation basin again and settling pond is isolated clear water;
3. isolated clear water enters the ion exchange column that clinoptilolite is housed, and the ammonia nitrogen of remnants is carried out ion-exchange removed;
4. at last clear water is sent into the disinfection pond, after with the disinfection by chlorine dioxide sterilization, obtained meeting the middle water of reuse water requirement.
2, a kind of sewage-treating agent that uses according to the described technology of claim 1 is characterized in that it is a main raw material(s) with coal-fired slag, and prepares by following proportioning:
Coal-fired slag: flocculation agent=8-8.5: 2-1.5
3, sewage-treating agent according to claim 2 is characterized in that it is a main component with coal-fired slag, described slag composition and be characterized as:
Silicon-dioxide 35-60%, aluminium sesquioxide 15-35%, carbon residue 10-30%, particle diameter 0.07-0.5mm, bulk density 0.48-0.6, pH value 6-9.
4, sewage-treating agent according to claim 2 is characterized in that described flocculation agent is potassium aluminium sulfate or Tai-Ace S 150 or aluminum chloride or iron trichloride or other inorganic salts flocculation agent commonly used.
5, the employed equipment of a kind of sewage treatment process according to claim 1, it is characterized in that its spiral catch by the interruption that in special water pump water inlet pipe and water outlet pipe and reaction chamber, is provided with, enter reaction chamber from conical lower portion after making sewage and treatment agent produce violent rotation and mixed flow, enter from the top of reaction chamber again and flocculate the flowing downward of flocculation basin and precipitate, bottom at flocculation basin upwards flows into settling pond, isolate clear water also by the filtration of suspension mud layer, up-flow is to the clear water pooling zone on body top, pond.
6, the employed equipment of sewage treatment process according to claim 1 is characterized in that it is made up of equipment according to claim 5 and clinoptilolite ion exchange column and disinfection by chlorine dioxide sterilization pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510106635 CN1935683A (en) | 2005-09-22 | 2005-09-22 | Slag treating agent and its process and equipment for treating sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510106635 CN1935683A (en) | 2005-09-22 | 2005-09-22 | Slag treating agent and its process and equipment for treating sewage |
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| Publication Number | Publication Date |
|---|---|
| CN1935683A true CN1935683A (en) | 2007-03-28 |
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ID=37953458
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510106635 Pending CN1935683A (en) | 2005-09-22 | 2005-09-22 | Slag treating agent and its process and equipment for treating sewage |
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| Country | Link |
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| CN (1) | CN1935683A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583594A (en) * | 2012-02-29 | 2012-07-18 | 祝洪哲 | Natural clarifying agent for sewage treatment and use method thereof |
| CN102874944A (en) * | 2012-09-25 | 2013-01-16 | 杭州电子科技大学 | Method for treating dye wastewater |
| CN103304058A (en) * | 2013-06-25 | 2013-09-18 | 安徽雪龙纤维科技股份有限公司 | Treatment method of cotton pulp wastewater |
| CN104773869A (en) * | 2015-03-30 | 2015-07-15 | 安徽盛运环保（集团）股份有限公司 | Sewage treatment technology |
| CN107297090A (en) * | 2017-05-15 | 2017-10-27 | 南昌航空大学 | A kind of Dual-drum depositing reservoir |
| CN108310815A (en) * | 2018-04-16 | 2018-07-24 | 苏州清荷坊环保科技有限公司 | A kind of water treatment facilities that sedimentation effect is good |
| CN109761397A (en) * | 2019-02-19 | 2019-05-17 | 南乙环境工程技术（上海）有限公司 | The method and apparatus of total organic carbon and benzene homologues in a kind of removal bio-chemical effluent |
-
2005
- 2005-09-22 CN CN 200510106635 patent/CN1935683A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583594A (en) * | 2012-02-29 | 2012-07-18 | 祝洪哲 | Natural clarifying agent for sewage treatment and use method thereof |
| CN102874944A (en) * | 2012-09-25 | 2013-01-16 | 杭州电子科技大学 | Method for treating dye wastewater |
| CN102874944B (en) * | 2012-09-25 | 2014-01-29 | 杭州电子科技大学 | A method for treating dye wastewater |
| CN103304058A (en) * | 2013-06-25 | 2013-09-18 | 安徽雪龙纤维科技股份有限公司 | Treatment method of cotton pulp wastewater |
| CN103304058B (en) * | 2013-06-25 | 2016-01-27 | 安徽雪龙纤维科技股份有限公司 | A kind for the treatment of process of cotton pulp wastewater |
| CN104773869A (en) * | 2015-03-30 | 2015-07-15 | 安徽盛运环保（集团）股份有限公司 | Sewage treatment technology |
| CN107297090A (en) * | 2017-05-15 | 2017-10-27 | 南昌航空大学 | A kind of Dual-drum depositing reservoir |
| CN108310815A (en) * | 2018-04-16 | 2018-07-24 | 苏州清荷坊环保科技有限公司 | A kind of water treatment facilities that sedimentation effect is good |
| CN109761397A (en) * | 2019-02-19 | 2019-05-17 | 南乙环境工程技术（上海）有限公司 | The method and apparatus of total organic carbon and benzene homologues in a kind of removal bio-chemical effluent |
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