CN204138486U - A kind of point kind processing device of organic silicon wastewater - Google Patents
A kind of point kind processing device of organic silicon wastewater Download PDFInfo
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- CN204138486U CN204138486U CN201420383862.2U CN201420383862U CN204138486U CN 204138486 U CN204138486 U CN 204138486U CN 201420383862 U CN201420383862 U CN 201420383862U CN 204138486 U CN204138486 U CN 204138486U
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Abstract
The utility model relates to a kind of by point kind processing device of organic silicon wastewater, comprise primary wastewater processing unit, secondary waste water processing unit, three grades of class treatment unit for waste water and level Four treatment unit for waste water, described primary wastewater processing unit comprises and connects ground the first equalizing tank successively, the first reaction tank, the second reaction tank, first settling tank, the first transfer pond and vapo(u)rization system; Described secondary waste water processing unit comprises and connects ground the second equalizing tank successively, oil trap, the 3rd reaction tank, micro cell, advanced oxidation pond, the 4th reaction tank, the 5th reaction tank, the 6th reaction tank, the second settling tank; Described three grades for the treatment of unit for waste water comprise and connect ground the 3rd equalizing tank successively, UASB pond, contact-oxidation pool, the 7th reaction tank, the 8th reaction tank, the 3rd settling tank and the second transfer pond; Described level Four treatment unit for waste water comprises spent acid equalizing tank.This device overcomes the technical problem for organic silicon wastewater complex disposal process, weak effect in prior art, can realize the green of organic silicon wastewater, environmental protection, energy-efficient treatment.
Description
Technical field
The utility model relates to Industrial Waste Water Treatments field, specifically adopts the device of chemistry and biochemical assembled classification process organic silicon wastewater.
Background technology
Organosilicon material has high-low temperature resistant, weather-proof, electric insulation, radiation hardness, fire-retardant, corrosion-resistant, the good characteristic such as physiological inertia and biocompatibility, because of be widely used in aerospace, defence and military, electronic apparatus, oil, light industry, building, metallurgy, machinery; The fields such as office equipment, communications and transportation, food-processing, daily-use chemical industry are the requisite hitech materials of national economy.The average growth rate per annum of China's polysiloxane Apparent con-sumption reaches 31% in recent years, and organosilicon industry belongs to strong GDP industry.Flourish with China organosilicon industry, the waste water handling problem that organosilane monomer brings in producing becomes increasingly conspicuous.
In the waste water that organosilicon production equipment produces, organism kinds is more, except methyl alcohol, organohalosilanes, also have the superpolymer such as silicone intermediate, silicone couplet and intermediate, silicone oil, silicone resin, silicon rubber, in waste water, inorganics is based on hydrochloric acid, sodium hydroxide.The chemical constitution of waste water is complicated, and belong to bio-refractory (except a small amount of methyl alcohol, ethanol) material, its BOD5/CODcr is little, and biodegradability is poor.Still containing many macroscopic oil slick, scum silica frost in waste water, waste water acidity is also extremely strong, and except digestion instrument discharges a small amount of alkaline water, other each productive units are all strongly-acid (mainly HCl) waste water, and therefore pH value is low, and C 1 content is high.These factors all make organic silicon wastewater intractability very big.At present a lot of research work is all the process of the main silicon waste water in considering to produce, but organosilicon manufacturing enterprise kind of waste water in actual production is various.CN101549938A is typical organosilicon treatment process in prior art, in organic silicon production process, after three effluent part mixing of generation, mainly containing AOX, COD, Zn
2+, Cu
2+deng pollutent, waste water is in acid, and grey, emulsus, has colloid to exist, mainly silica gel, and metasilicic acid gathers sanctified by usage with the intermolecular dehydration of silanol, becomes polysiloxane to cause.Organic silicon wastewater feature is waste water complicated, and pollution load is higher, and salinity is large, and biodegradability is very poor.The process of organic silicon wastewater is world-famous puzzle, organosilicon, is to instead of carbon with silicon, formed silane, its factory effluent can say without any biochemical property, first biochemical treatment can be got rid of.As adopted physical chemistry method, because the bond energy of silane is high, general method for oxidation is difficult to effect to some extent.Substantially be all moderate water-cut stage both at home and abroad, can reach grade III Standard reluctantly, the water outlet of middle precipitation is entered sewage work and is processed, and the method process Problems existing is: reagent consumption amount is large, and processing cost is high, COD water outlet exceeds standard, and sludge quantity is large.Visible, the treatment process of prior art processes after all waste water mixing again, but, so but bring new problem, be exactly waste water composition, character is more complicated, intractability is higher, even if the silicon processed in waste water but also there are other compositions still polluted a large amount of.
In order to solve the problems of the technologies described above, contriver is found by further investigation, the different qualities of these waste water is utilized to classify, and the combined treatment process of optimized choice different sorts waste water, be a research direction for enterprise's saving energy and cost, realize green, environmental protection, energy-conservation technique effect.
Summary of the invention
The utility model provides a kind of point kind processing device and method of organic silicon wastewater, by the classification of waste process that production process produces, for process organic silicon wastewater provides technological approaches that is efficient, energy-conservation, low cost.
The technical solution of the utility model is as follows: a kind of point kind processing device of organic silicon wastewater, described treatment unit comprises primary wastewater processing unit, secondary waste water processing unit, three grades of class treatment unit for waste water and level Four treatment unit for waste water, respectively to a class waste water, two class waste water, three class waste water and four class waste water process accordingly, and described primary wastewater processing unit comprises and connects ground the first equalizing tank successively, first reaction tank, second reaction tank, the first settling tank, the first transfer pond and vapo(u)rization system; Described secondary waste water processing unit comprises and connects ground the second equalizing tank successively, oil trap, the 3rd reaction tank, micro cell, advanced oxidation pond, the 4th reaction tank, the 5th reaction tank, the 6th reaction tank, the second settling tank; Described three grades for the treatment of unit for waste water comprise and connect ground the 3rd equalizing tank successively, UASB pond, contact-oxidation pool, the 7th reaction tank, the 8th reaction tank, the 3rd settling tank and the second transfer pond; Described level Four treatment unit for waste water comprises spent acid equalizing tank.
Further, a described class waste water enters described first equalizing tank, and described two class waste water enter described second equalizing tank, and described three class waste water enter described 3rd equalizing tank, and described four class waste water enter described spent acid equalizing tank.
Further, the phlegma of a described class waste water after described vapo(u)rization system enters the 3rd reaction tank of described secondary waste water processing unit; The water outlet of the second settling tank of described secondary waste water processing unit enters the 3rd equalizing tank of described three grades for the treatment of unit for waste water; Described four class waste water enter spent acid equalizing tank, and then a part enters the 3rd reaction tank of described secondary waste water processing unit, remaining the first equalizing tank entering described primary wastewater processing unit.
Further, in described first reaction tank, add ferrous sulfate and alkali, regulate the pH value of waste water at 7.5-8.
Further, polymeric flocculant is added in described second reaction tank.
Further, the agent of described Macromolecule wadding is PAM.
Further, in described 3rd reaction tank, add four class waste water, regulate the pH value of waste water at 2.5-3, in described advanced oxidation pond, add hydrogen peroxide.
Further, described vapo(u)rization system is multi-step evaporator, the salt in water and high boiling material is discharged in solid form, and heavy-metal ion removal, the phlegma after evaporation mainly contains lower boiling organism and water.
In addition, a kind of classification processing method of organic silicon wastewater is also provided, first according to the character of waste water, organic silicon wastewater is divided into four classes: a class waste water, two class waste water, three class waste water and four class waste water, and then carry out wastewater treatment targetedly for the feature of waste water.
A wherein said class waste water is high saliferous, high-COD waste water, and described two class waste water are the poor waste water of middle Low-salinity, biodegradability, and described three class waste water are the organic waste water of good biodegradability, and described four class waste water are make the waste water that medicament utilizes.
Further, classify in the process of laggard row relax, if reach the standard of other classifications for the product of the wastewater treatment gained of concrete kind, be then recovered to other classifications and be further processed.
Further, one class method of wastewater treatment is specially: a class waste water enters the first equalizing tank of primary wastewater processing unit, after balanced water quality and the water yield, through the first lift pump successively to the first reaction tank, the second reaction tank, the first settling tank, solid-liquid separation in described first settling tank, precipitation water outlet enters the first transfer pond, and waste water is by after vapo(u)rization system, and phlegma directly enters the 3rd reaction tank of secondary waste water processing unit.
Further, two class method of wastewater treatment are specially: two class waste water enter the second equalizing tank of secondary waste water processing unit, after balanced water quality and the water yield, oil trap is promoted to through the second lift pump, carry out physics oil removal, upper strata oil slick and bottom sediment are disposed to oil reservoir, middle aqueous layer enters the 3rd reaction tank, in the 3rd reaction tank, add four class waste water makes pH value control between 2.5-3, water outlet enters micro cell from bottom, the water outlet of micro cell enters advanced oxidation pond, the water outlet of advanced oxidation pond enters the 4th, five, six reaction tanks, make waste water energy effective solid-liquid separation in the second settling tank, the water outlet of the second settling tank enters the 3rd equalizing tank of three grades for the treatment of unit for waste water.
In described fourth, fifth, six reaction tanks, by adjust ph to 8.5-9, make the iron ion in waste water and other heavy metal ion form precipitation, play reinforcement coagulation by PAC and PAM.
Further, three class method of wastewater treatment are specially: three class waste water enter the 3rd equalizing tank of three grades for the treatment of unit for waste water, then UASB pond is directly pumped into pump, the water outlet of UASB pond directly enters contact-oxidation pool, in described contact-oxidation pool, organism is decomposed effectively, and water outlet enters the 7th, eight reaction tanks enter the 3rd settling tank and carry out solid-liquid separation after carrying out coagulation, 3rd settling tank water outlet enters the second transfer pond, directly discharges when in-line meter monitoring is up to standard.
Further, four class method of wastewater treatment are concrete: four class waste water enter spent acid equalizing tank, and what first meet the 3rd reaction tank of three grades for the treatment of unit for waste water uses sour demand, and the first equalizing tank that remaining spent acid directly enters primary wastewater processing unit processes.
Wherein, a described class waste water is 100# methyl chloride synthesis alkaline waste water, monomer synthesize waste acid water, incineration system caustic treater waste water, hydrochloric acid tank district maintenance waste water, one or more in thermal silica soda-wash tower waste water.Described two class waste water be 400# diformazan hydrolysis waste lye, 500# cracking alkaline waste water, ground flushing water, early-stage rainwater, chemical examination sewage, electrolyzer maintenance waste water in one or more.Described three class waste water are 810# primary refined brine, one or more in sanitary sewage.Described four class waste water are 400# diformazan hydrolysis waste hydrochloric acid.
From above-mentioned to description of the present utility model, the utility model has the advantage of:
1, the utility model adopts classification of waste and the corresponding treatment process of optimized choice, and save the processing cost of the energy and waste water, obvious processing effect, waste water can qualified discharge.
2, the spent acid of the utility model Appropriate application four class waste water regulates, and reaches the treatment of wastes with processes of wastes against one another, saves running cost.
3, the utility model adopts classification of waste treatment process, and all kinds of wastewater room can be recycled mutually, has green, environmental protection, energy-conservation technique effect.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
Embodiment
Further illustrate the utility model with specific embodiment with reference to the accompanying drawings, but do not limit the utility model.
Waste water in production process is divided into four classes by the utility model, and classification processes, and this four classes waste water sees the following form:
Concrete treatment process is:
Step one, one class method of wastewater treatment: a class waste water enters equalizing tank 1, blast aeration system is provided with in equalizing tank 1, primary equalization water quality and the water yield, waste water is through lift pump 1 to reaction tank 1, in reaction tank 1, add ferrous sulfate and alkali, regulate the pH of waste water at 7.5-8, the ironic hydroxide flocs unit generated by chemical reaction has good adsorptive power to the petroleum-type in waste water.Waste water, through reaction tank 1 to reaction tank 2, adds polymeric flocculant in reaction tank 2, to strengthen the flco generated in reaction tank 1, alumen ustum is become and is beneficial to greatly follow-up solid-liquid separation.Flco solid-liquid separation in settling tank 1 of waste water and formation, precipitation water outlet enters transfer pond 1.Transfer pond 1 is as " equalizing tank " of vapo(u)rization system, waste water is by triple effect multi-step evaporator, salt in waste water and high boiling material are discharged in solid form, phlegma after evaporation mainly contains lower boiling organism and water, that is removed by vapo(u)rization system also has heavy metal ion (being kept in a salt form in solid state crystallization), and phlegma directly enters the reaction tank 3 of two class treatment unit for waste water.
Step 2, two class method of wastewater treatment: two class waste water enter equalizing tank 2, blast aeration system is provided with in equalizing tank 2, primary equalization water quality and the water yield, waste water is promoted to oil trap through lift pump 2, carries out physics oil removal, upper strata oil slick and bottom sediment are disposed to oil reservoir, outward transport or burning, middle aqueous layer enters reaction tank 3, and the water of condensation of vapo(u)rization system directly enters reaction tank 3 simultaneously.In reaction tank 3, add four class waste water (400# diformazan hydrolysis waste hydrochloric acid) makes pH value control between 2.5-3, water outlet enters micro cell from bottom, by the effect of light electrolysis, the polymkeric substance open loop chain rupture of the difficult biochemical treatment of part is made to become the small organic molecule of good biodegradability, the water outlet of micro cell enters advanced oxidation pond, utilize the ferrous ion in micro cell water outlet, hydrogen peroxide is added in advanced oxidation pond, formed " Fenton reagent ", oxidizing reaction is carried out to waste water, effectively the macromolecule organic open loop chain rupture in waste water is become the small organic molecule of good biodegradability, thus further increase the biodegradability of waste water.The water outlet of advanced oxidation pond enters reaction tank 4,5,6, by adjust ph to 8.5-9, the iron ion in waste water and other heavy metal ion is made to form precipitation, by the reinforcement coagulation of PAC and PAM, make waste water energy effective solid-liquid separation in settling tank 2, the water outlet of settling tank 2 enters the equalizing tank 3 of three class treatment unit for waste water.
Step 3, three class method of wastewater treatment: three class waste water enter equalizing tank 3, waste water carries out homogeneous and all measures and pH adjustment in equalizing tank 3, coordinate with steam direct heating winter simultaneously, controlled by temperature controller, keep water temperature at about 35 DEG C, then UASB pond is directly pumped into pump, the organism anaerobic digestion that a part is easily degraded in UASB pond, the organism that a part of larger molecular organics anaerobic hydrolysis becomes small molecules easily to degrade, to improve the biodegradability energy of waste water further.The water outlet of UASB pond directly enters oxidation pond, in contact-oxidation pool, organism is decomposed effectively, and water outlet enters and enters settling tank 3 after reaction tank 7,8 carries out coagulation and carry out solid-liquid separation, settling tank 3 water outlet enters transfer pond 2, directly discharges when in-line meter monitoring is up to standard.
Step 4, four class method of wastewater treatment: first the four class waste water (400# diformazan hydrolysis waste hydrochloric acid waste water) utilized as medicament enter spent acid equalizing tank, and what first meet reaction tank 3 uses sour demand, and remaining spent acid directly enters equalizing tank 1 and processes.
Embodiment:
Discharged volume of industrial waste water is about 658.12m
3/ d, wastewater influent water quality and the water yield are as following table
One class waste water enters equalizing tank 1 through the balanced water quality of aeration and the water yield, waste water is through lift pump 1 to reaction tank 1, ferrous sulfate and alkali is added in reaction tank 1, regulate the pH of waste water at 7.5-8, waste water adds PAM through reaction tank 1 to reaction tank 2, solid-liquid separation in settling tank 1, precipitation water outlet enters transfer pond 1.Waste water is by triple effect multi-step evaporator, and solids is discharged, and phlegma directly enters reaction tank 3.
Two class waste water enter equalizing tank 2 through the balanced water quality of aeration and the water yield, and waste water is promoted to oil trap through lift pump 2, carries out physics oil removal, upper strata oil slick and bottom sediment are disposed to oil reservoir, outward transport or burning, middle aqueous layer enters reaction tank 3, and the water of condensation of vapo(u)rization system directly enters reaction tank 3 simultaneously.In reaction tank 3, add four class waste water (400# diformazan hydrolysis waste hydrochloric acid) makes pH value control between 2.5-3, water outlet enters micro cell from bottom, the water outlet of micro cell enters advanced oxidation pond, hydrogen peroxide is added in advanced oxidation pond, the water outlet of advanced oxidation pond enters reaction tank 4,5,6, by adjust ph to 8.5-9, the iron ion in waste water and other heavy metal ion is made to form precipitation, by the reinforcement coagulation of PAC and PAM, make waste water energy effective solid-liquid separation in settling tank 2, the water outlet of settling tank 2 enters equalizing tank 3.
Three class waste water enter equalizing tank 3 carry out homogeneous all measure and pH adjustment, controlled by temperature controller, keep water temperature at about 35 DEG C, then directly pump into UASB pond with pump, the water outlet of UASB pond directly enters oxidation pond, in contact-oxidation pool, organism is decomposed effectively, water outlet enters and enters settling tank 3 after reaction tank 7,8 carries out coagulation and carry out solid-liquid separation, and settling tank 3 water outlet enters transfer pond 2, directly discharges when in-line meter monitoring is up to standard.
First the four class waste water (400# diformazan hydrolysis waste hydrochloric acid waste water) utilized as medicament enter spent acid equalizing tank, and what first meet reaction tank 3 uses sour demand, and remaining spent acid directly enters equalizing tank 1 and processes.
Following table is the Inlet and outlet water situation of this example each processing unit:
Waste water water outlet after sort merge process reaches the second period grade III Standard of " integrated wastewater discharge standard " (GB8978-1996), and specific targets are as shown in the table:
| Sequence number | Pollutent | Emission standard |
| 1 | COD cr | ≤500mg/L |
| 2 | SS* | ≤30mg/L |
| 3 | Total copper | ≤2mg/L |
| 4 | Total zinc | ≤5mg/L |
| 5 | pH | 6－9 |
| 6 | Petroleum-type | ≤20mg/l |
| 7 | Adsorbable organic halogens | ≤8mg/l |
Above are only embodiment of the present utility model, but design concept of the present utility model is not limited thereto, all changes utilizing this design the utility model to be carried out to unsubstantiality, all should belong to the behavior of invading the utility model protection domain.
Claims (8)
1. point kind processing device of an organic silicon wastewater, it is characterized in that described treatment unit comprises primary wastewater processing unit, secondary waste water processing unit, three grades of class treatment unit for waste water and level Four treatment unit for waste water, respectively to a class waste water, two class waste water, three class waste water and four class waste water process accordingly, and described primary wastewater processing unit comprises and connects ground the first equalizing tank successively, first reaction tank, second reaction tank, the first settling tank, the first transfer pond and vapo(u)rization system; Described secondary waste water processing unit comprises and connects ground the second equalizing tank successively, oil trap, the 3rd reaction tank, micro cell, advanced oxidation pond, the 4th reaction tank, the 5th reaction tank, the 6th reaction tank, the second settling tank; Described three grades for the treatment of unit for waste water comprise and connect ground the 3rd equalizing tank successively, UASB pond, contact-oxidation pool, the 7th reaction tank, the 8th reaction tank, the 3rd settling tank and the second transfer pond; Described level Four treatment unit for waste water comprises spent acid equalizing tank.
2. point kind processing device as claimed in claim 1, it is characterized in that: a described class waste water enters described first equalizing tank, described two class waste water enter described second equalizing tank, and described three class waste water enter described 3rd equalizing tank, and described four class waste water enter described spent acid equalizing tank.
3. point kind processing device as claimed in claim 1, is characterized in that: the phlegma of a described class waste water after described vapo(u)rization system enters the 3rd reaction tank of described secondary waste water processing unit; The water outlet of the second settling tank of described secondary waste water processing unit enters the 3rd equalizing tank of described three grades for the treatment of unit for waste water; Described four class waste water enter spent acid equalizing tank, and then a part enters the 3rd reaction tank of described secondary waste water processing unit, remaining the first equalizing tank entering described primary wastewater processing unit.
4. point kind processing device as claimed in claim 1, is characterized in that: add ferrous sulfate and alkali in described first reaction tank, regulates the pH value of waste water at 7.5-8.
5. point kind processing device as claimed in claim 1, is characterized in that: add polymeric flocculant in described second reaction tank.
6. point kind processing device as claimed in claim 5, is characterized in that: the agent of described Macromolecule wadding is PAM.
7. point kind processing device as claimed in claim 1, is characterized in that: add four class waste water in described 3rd reaction tank, regulates the pH value of waste water at 2.5-3, adds hydrogen peroxide in described advanced oxidation pond.
8. point kind processing device as claimed in claim 1, it is characterized in that: described vapo(u)rization system is multi-step evaporator, salt in water and high boiling material are discharged in solid form, and heavy-metal ion removal, the phlegma after evaporation mainly contains lower boiling organism and water.
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| CN201420383862.2U CN204138486U (en) | 2014-07-11 | 2014-07-11 | A kind of point kind processing device of organic silicon wastewater |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104291509A (en) * | 2014-07-11 | 2015-01-21 | 泉州市天龙环境工程有限公司 | Classified processing apparatus and method for organic silicon wastewater |
| CN108483707A (en) * | 2018-03-15 | 2018-09-04 | 淄博明奇净水材料有限公司 | A kind of sewage purifying treatment process of efficient process waste water containing PVA |
-
2014
- 2014-07-11 CN CN201420383862.2U patent/CN204138486U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104291509A (en) * | 2014-07-11 | 2015-01-21 | 泉州市天龙环境工程有限公司 | Classified processing apparatus and method for organic silicon wastewater |
| CN108483707A (en) * | 2018-03-15 | 2018-09-04 | 淄博明奇净水材料有限公司 | A kind of sewage purifying treatment process of efficient process waste water containing PVA |
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