CN203256098U - Paper-making process reconstituted tobacco wastewater advanced treatment apparatus - Google Patents
Paper-making process reconstituted tobacco wastewater advanced treatment apparatus Download PDFInfo
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- CN203256098U CN203256098U CN 201320297021 CN201320297021U CN203256098U CN 203256098 U CN203256098 U CN 203256098U CN 201320297021 CN201320297021 CN 201320297021 CN 201320297021 U CN201320297021 U CN 201320297021U CN 203256098 U CN203256098 U CN 203256098U
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Abstract
The utility model relates to a paper-making process reconstituted tobacco wastewater advanced treatment apparatus. The apparatus comprises an aerobic IC tower, and the aerobic IC tower is sequentially connected with a first Fenton reaction tank, a second Fenton reaction tank, a precipitating pool and an active sand filtering system. The precipitating pool is connected with a sludge mixing pool, and a press is arranged in the sludge mixing pool. The second Fenton reaction tank is connected with a gas storage tank. The precipitating pool is an inclined plate precipitating pool. In the utility model, high and low concentration wastewaters produced after workshop production are mixed to form high concentration wastewater, the high concentration waste undergoes pretreatment, anaerobic treatment and aerobic treatment which are common at present, and enters an integrated advanced treatment system for treatment until standard reaching discharge, and produced sludge is treated through a filter press and is processed. The apparatus has the advantages of simple and reliable process flow, small occupied area, low treatment cost, and direct and effective solving of the secondary pollution problem of reconstituted tobacco production to the environment.
Description
Technical field
The utility model belongs to the cleaner production technical field of sewage, especially the papermaking-method reconstituted tobaccos advanced waste treatment apparatus.
Technical background
Papermaking-method reconstituted tobaccos is the product that processes as raw material take tobacco wastes such as offal, offal, the broken leaf of cigarette and discarded tobacco leafs, it is the new and high technology of a tobacco regenerated resource development and utilization, this product has low cost, low density, low tar release and can regulate and control the advantage of chemical cost, is that a kind of important tool that Jiao subtracts consumption falls in important source material and the cigarette product of cigarette tobacco leaf formulation.
Xylogen, Mierocrystalline cellulose in offal and the tobacco materials such as broken cigarette, ash oontent is higher and raw material specification is different, so not only suspension content is high in the waste water that the reconstituted tobacco production line is discharged, and with tobacco material adapted ratios such as offal and broken cigarettes the raw material type such as different or tobacco leaf offal is different, the wastewater from manufacture of tobacco slice by papermaking process variation water quality is larger, and particularly the chemical oxygen demand COD fluctuation is very large.This waste water has following features: COD content is high, and colourity is high, the suspension object height, and the non-degradable material concentration is high in the waste water, is rich in nicotine, phenols and benzene ring substance etc.
The treatment process of present common papermaking-method reconstituted tobaccos sewage is: the air supporting of pre-treatment anaerobic treatment aerobic treatment, three grades of emission standards according to integrated wastewater discharge standard GB8978-1996 are carried out, the sewage unification of three grades of dischargings advances to enter sewage work behind the city planting ductwork and focus on, but because sewage load is large, sewage chemical oxygen demand COD is high, existing treatment process is carried out according to three grades of emission standards and is still had certain pressure.Above common technology must need to come dilatation by enlarging at double sewage disposal device and floor space if the sewage indexs such as continuation reduction COD reach first discharge standard, and this is a kind of simple very uneconomic dilatation; Otherwise, just can not mate the sewage treatment capacity that continuous production reconstituted tobacco produces.According to the requirement of the great special project of countries tobacco office science and technology, the significant production line of reconstituted tobacco must possess the ability of the first discharge standard of integrated wastewater discharge standard GB8978-1996, and obviously general treatment process can't meet the demands substantially at present.Therefore, enterprise will respond the call of energy-saving and emission-reduction, when reducing the water consumption, improve the water outlet emission standard, must use a kind of more advanced advanced treatment technology and address this problem, and satisfies the increasingly severe requirement of environment protection situation.
The utility model content
The utility model provides a kind of papermaking-method reconstituted tobaccos advanced waste treatment apparatus, with strong points, strong shock resistance outlet effect is stablized, technical process is simple and reliable, occupation area of equipment is little, processing cost is low, can directly effectively solve the secondary pollution problem that reconstituted tobacco production causes environment.
For this reason, the utility model is taked following technical scheme: a kind of papermaking-method reconstituted tobaccos advanced waste treatment apparatus, comprise aerobic IC tower, it is characterized in that described aerobic IC tower connects a Fenton's reaction tank, No. two Fenton's reaction tanks, settling tank and system for filtering active sand successively.
Described settling tank connects the mud mixing pit, in the mud mixing pit squeezing machine is set.
Described No. two Fenton's reaction tanks also connect gas-holder.
Described settling tank is inclined-plate clarifying basin.
Original technique: pre-treatment anaerobic treatment aerobic treatment air supporting, former water COD concentration ratio is higher, generally all between 7000 to 10000mg/L, the COD concentration of water outlet is between 400-600 mg/L after the process aerobic treatment, process again two kinds of medicament reactions of main polyaddition aluminum chloride (PAC) and polyacrylamide (PAM) through air supporting.The sewage total amount that corresponding existing working condition produces, COD is minimum can only to be accomplished about 250mg/L, now substitute the coagulation air-float device with Fenton reaction integral system, the direct processing of sewage can be reached first discharge standard: COD:100 mg/l PH:6-9 suspended substance (SS): 70 mg/l ammonia nitrogens: 15 mg/l total phosphorus: 0.5 mg/l colourity: 50 times.
The novel process that substitutes the coagulation air-float device with Fenton reaction integral system mainly comprise novel Fenton reactive system, efficient inclined-plate clarifying basin and-the active sand filtration filtering system.At first the second pond water outlet of aerobic treatment is pumped in No. 1 Fenton retort, regulate pH value to acidic conditions with sulfuric acid, add again hydrogen peroxide and ferrous sulfate and carry out the Fenton reaction, then from flowing into the Fenton retort No. 2, add alkali pH readjustment, through after degassed, add again the alumen ustum that flocculation agent produces free settling, precipitate through inclined-plate clarifying basin, carry out mud-water separation, mud suction mud mixing pit is squeezed by pressure filter, and water outlet is directly discharged after reaching the first grade discharging requirement again after active sand filters filter.
And after the Fenton reaction, replaced traditional settling tank with efficient sloping plate deposition, greatly saved floor space and investment cost.
After the beneficial effects of the utility model are that the waste water of the higher concentration that the height density wastewater during with the Workshop Production output mixes passes through first at present common pre-treatment, anaerobic treatment, aerobic treatment, enter integrated advanced treatment system again and process to qualified discharge, output mud is remarketed after processing by pressure filter.With strong points, the strong shock resistance of the utility model technology, outlet effect is stable, technical process is simple and reliable, occupation area of equipment is little, processing cost is low, can directly effectively solve the secondary pollution problem that reconstituted tobacco production causes environment.
Description of drawings
Fig. 1 is synoptic diagram of the present utility model.
Embodiment
Below in conjunction with concrete case study on implementation the technical solution of the utility model is further specified:
As shown in Figure 1, advanced waste treatment apparatus of the present utility model comprises anaerobism IC tower and the aerobic IC tower that connects by transfer lime, and aerobic IC tower connects a Fenton's reaction tank, No. two Fenton's reaction tanks, inclined-plate clarifying basin and system for filtering active sand successively.No. two the Fenton's reaction tank also connects gas-holder, and inclined-plate clarifying basin connects again the mud mixing pit, in the mud mixing pit pressure filter is set.
At first the second pond water outlet of aerobic treatment is pumped in No. 1 Fenton retort, regulate pH value to acidic conditions with sulfuric acid, add again hydrogen peroxide and ferrous sulfate and carry out the Fenton reaction, then from flowing into the Fenton retort No. 2, add alkali pH readjustment, through after degassed, add again the alumen ustum that flocculation agent produces free settling, precipitate through inclined-plate clarifying basin, carry out mud-water separation, mud suction mud mixing pit is squeezed by pressure filter, and water outlet is directly discharged after reaching the first grade discharging requirement again after active sand filters filter.
Claims (4)
1. a papermaking-method reconstituted tobaccos advanced waste treatment apparatus comprises aerobic IC tower, it is characterized in that described aerobic IC tower connects a Fenton's reaction tank, No. two Fenton's reaction tanks, settling tank and system for filtering active sand successively.
2. a kind of papermaking-method reconstituted tobaccos advanced waste treatment apparatus according to claim 1 is characterized in that described settling tank connects the mud mixing pit, arranges squeezing machine in the mud mixing pit.
3. a kind of papermaking-method reconstituted tobaccos advanced waste treatment apparatus according to claim 1 and 2 is characterized in that described No. two Fenton's reaction tanks also connect gas-holder.
4. a kind of papermaking-method reconstituted tobaccos advanced waste treatment apparatus according to claim 1 is characterized in that described settling tank is inclined-plate clarifying basin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320297021 CN203256098U (en) | 2013-05-24 | 2013-05-24 | Paper-making process reconstituted tobacco wastewater advanced treatment apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320297021 CN203256098U (en) | 2013-05-24 | 2013-05-24 | Paper-making process reconstituted tobacco wastewater advanced treatment apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN203256098U true CN203256098U (en) | 2013-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320297021 Expired - Lifetime CN203256098U (en) | 2013-05-24 | 2013-05-24 | Paper-making process reconstituted tobacco wastewater advanced treatment apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103523966A (en) * | 2013-10-31 | 2014-01-22 | 东莞理文造纸厂有限公司 | Advanced wastewater treatment system and treatment method |
| CN111807613A (en) * | 2020-06-28 | 2020-10-23 | 四川盛玖源环境工程有限公司 | Tobacco plant slice wastewater treatment process |
-
2013
- 2013-05-24 CN CN 201320297021 patent/CN203256098U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103523966A (en) * | 2013-10-31 | 2014-01-22 | 东莞理文造纸厂有限公司 | Advanced wastewater treatment system and treatment method |
| CN111807613A (en) * | 2020-06-28 | 2020-10-23 | 四川盛玖源环境工程有限公司 | Tobacco plant slice wastewater treatment process |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131030 |
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| CX01 | Expiry of patent term |