CN205473133U - Catalyst waste water zero release processing apparatus - Google Patents
Catalyst waste water zero release processing apparatus Download PDFInfo
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- CN205473133U CN205473133U CN201521116969.1U CN201521116969U CN205473133U CN 205473133 U CN205473133 U CN 205473133U CN 201521116969 U CN201521116969 U CN 201521116969U CN 205473133 U CN205473133 U CN 205473133U
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Abstract
The utility model discloses a catalyst waste water zero release processing apparatus, it is undulant big to have solved suspended solid in the catalyst waste water, ammonia -nitrogen concentratio height and silica content, adds a dose unmanageable difficult problem. Catalyst waste water zero release processing apparatus includes: just heavy unit, regulating unit, silica removal unit, ammonia -nitrogen treatment unit, soft unit, filter unit, reverse osmosis unit, evaporation crystallization unit. The utility model discloses beneficial effect: it fluctuates greatly, adds a dose unmanageable difficult problem effectively to have solved catalyst waste water silica content, simultaneously, the zero release and the utilization of catalyst waste water are realized to ammonia nitrogen in the recycle waste water, and whole system resistance impact load capacity is strong, and the technology step is simple, solves the problem of catalyst waste water to environmental pollution.
Description
Technical field
This utility model belongs to field of industrial waste water treatment, is specifically related to a kind of containing wastewater from catalyst zero discharge treatment device.
Background technology
At present, China's oil chemical industry has welcome good opportunity to develop, and along with the progress of petroleum chemical industry technology, the kind of catalyst is on the increase, and complicated component brings difficulty to environmental improvement.On the other hand, the standardization of China economic market, benefit of subsisting the attention of environmental protection promotes, and more requires that our right combination utilizes water resource, reduces the harm causing environment.It is big that containing wastewater from catalyst has ammonia nitrogen, float and dioxide-containing silica fluctuation, the unmanageable feature of chemical feeding quantity.Owing to containing the material of the easily fouling such as a large amount of float, silicon dioxide in sewage, COD concentration is relatively low, and biochemical process should not be used to process, and the most domestic patent about Catalyst sewage zero-emission is less.
Containing the ammonia nitrogen of high concentration, float and silicon dioxide in containing wastewater from catalyst.The method of conventional process petroleum chemical industry containing wastewater from catalyst predominantly adds polymeric aluminum or polyacrylamide flocculant flocculates by sinking pond one, and mud generation amount is big, and operating cost is high, and desalting processing technique unit fluctuation of service, secondary clarifier effluent float is higher.Effluent quality is the most up to standard, and the reuse to containing wastewater from catalyst still has certain difficulty and restriction.And containing wastewater from catalyst is carried out pretreatment, and to remove oil removal and scale forming matter in advance by adding medicament, ensure the stable operation of desalination unit in conjunction with reverse osmosis units, medicament usage amount is little, and operating cost is low, high treating effect, and waste water can fully recovering.
Therefore, this area needs a kind of containing wastewater from catalyst zero discharge treatment device of exploitation.
Summary of the invention
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of containing wastewater from catalyst zero discharge treatment device.Purpose is to remove ammonia nitrogen, float, calcium ions and magnesium ions and the silicon dioxide in containing wastewater from catalyst, it is achieved containing wastewater from catalyst zero-emission, improves the utilization ratio to water resource.
This utility model realizes especially by following scheme:
A kind of containing wastewater from catalyst zero discharge treatment device, including:
The most heavy unit, removes the float in water and silicon dioxide for preliminary sedimentation；
Regulation unit, for uniform water quality and the water yield, is connected with the most heavy described unit；
Except silicon unit, for removing the float in water and major part silicon dioxide, it is connected with described regulation unit；
NH_3-N treating unit, is used for reclaiming ammonia nitrogen and is converted into ammonium salt recycling, reduces the ammonia nitrogen in the described water discharged except silicon unit, is connected except silicon unit with described；
Pliable cell, for removing float and the calcium ions and magnesium ions of excess of residual in described NH_3-N treating unit draining, is connected with described NH_3-N treating unit；
Filter element, for removing the small float in the water that described pliable cell is discharged and colloid further, is connected with described pliable cell；
Reverse osmosis units, for described filter element draining carries out desalination and concentration, produces water and enters reverse osmosis produced water tank reuse, dense water evaporative crystallization, be connected with described filter element；
Evaporative crystallization unit, for the dense water evaporative crystallization to described reverse osmosis units, distilled water enters reverse osmosis produced water tank, and crystal is transported outward, and is connected with described reverse osmosis units.
Further, described except silicon unit is provided with online silicon dioxide measuring instrument.
Further, described filter element is the combination of one or more in sand filtration, security personnel's filtration, secondary filter or ultrafiltration.Described filter element selects according to the inflow requirement of water quality and follow-up reverse osmosis units, and when reverse osmosis units uses DTRO, filter element uses sand filtration.
The beneficial effects of the utility model are:
1, a kind of containing wastewater from catalyst zero discharge treatment device described in the utility model, processing step is simple, easy to operate, and capacity of resisting impact load is strong, and the technological process using multistage pretreatment unit to work in coordination with reverse osmosis units processes containing wastewater from catalyst and realizes zero-emission.
2, a kind of containing wastewater from catalyst zero discharge treatment device described in the utility model, by using the most heavy unit sediment fraction silicon dioxide, except the dosage of silicon medicament adjusts according to online silicon dioxide measuring instrument, and employing Calx is except silicon, magnesia mixture are except silicon, coagulation are except the collaborative process of silicon, except silicon medicament is fully used, ratio optimization, form cooperative effect, use condition relaxes, and operating procedure is simple, reaches well except silicon effect.Efficiently solve the fluctuation of containing wastewater from catalyst dioxide-containing silica big, the unmanageable difficult problem of chemical feeding quantity.
3, a kind of containing wastewater from catalyst zero discharge treatment device described in the utility model, reverse osmosis units uses disc tube reverse osmosis (dt-ro) membrane module, it is adaptable to high turbidity and the high filter element water outlet containing sand coefficient, successfully manages severe flow condition.Additionally, there is the salient point that certain way arranges on dish tubular membrane component flow guiding disc surface.This special Hydraulic design makes treatment fluid flow through under pressure when filter membrane surface meets salient point collision and forms turbulent flow, increase transmission rates and self-cleaning function, thus efficiently avoid film blocking and concentration polarization phenomenon, extend the service life of diaphragm, assembly is easy to maintenance and diaphragm replacement cost is low, and ensures that producing water water quality can reach recycle-water requirement.The dense water of reverse osmosis units is evaporated crystallization and obtains distilled water and crystallized product, and crystallized product is transported outward；Distilled water and reverse osmosis units product water, together as the former Water circulation of Desultwater Station, without outer draining in whole technique, really realize zero-emission.
4, a kind of containing wastewater from catalyst zero discharge treatment device described in the utility model, change adjusting apparatus according to water quality runs, when in waste water, float and dioxide-containing silica are relatively low, waste water is directly entered NH_3-N treating unit after being adjusted unit regulation, shorten handling process, reduce added amount of chemical, cut operating costs.The recyclable ammonia nitrogen of NH_3-N treating unit simultaneously, is ammonium salt recycling by the mineralized nitrogen in waste water, it is achieved changing waste into resources.A kind of containing wastewater from catalyst zero discharge treatment device high treating effect described in the utility model, it is achieved the zero-emission of containing wastewater from catalyst, saving water resource, is particularly suited for the chemical catalyst manufacturing enterprise in shortage of water resources area.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
In the accompanying drawings: Fig. 1 is the structured flowchart of this utility model a kind of containing wastewater from catalyst zero discharge treatment device.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that this utility model can be defined by the claims and cover is implemented.
As it is shown in figure 1, a kind of containing wastewater from catalyst zero discharge treatment device described in the utility model, including:
The most heavy unit, removes the float in water and silicon dioxide for preliminary sedimentation；
Regulation unit, for uniform water quality and the water yield, is connected with the most heavy described unit；
Except silicon unit, for removing the float in water and major part silicon dioxide, it is connected with described regulation unit；
NH_3-N treating unit, is used for reclaiming ammonia nitrogen and is converted into ammonium salt recycling, reduces the ammonia nitrogen in the described water discharged except silicon unit, is connected except silicon unit with described；
Pliable cell, for removing float and the calcium ions and magnesium ions of excess of residual in described NH_3-N treating unit draining, is connected with described NH_3-N treating unit；
Filter element, for removing the small float in the water that described pliable cell is discharged and colloid further, is connected with described pliable cell；
Reverse osmosis units, for described filter element draining carries out desalination and concentration, produces water and enters reverse osmosis produced water tank reuse, dense water evaporative crystallization, be connected with described filter element；
Evaporative crystallization unit, for the dense water evaporative crystallization to described reverse osmosis units, distilled water enters reverse osmosis produced water tank, and crystal is transported outward, and is connected with described reverse osmosis units.
Preferably, described except silicon unit is provided with online silicon dioxide measuring instrument.
Preferably, described filter element is the combination of one or more in sand filtration, security personnel's filtration, secondary filter or ultrafiltration.Described filter element selects according to the inflow requirement of water quality and follow-up reverse osmosis units, and when reverse osmosis units uses DTRO, filter element uses sand filtration.
Distance between DTRO assembly two flow guiding disc is 4 mm, and there is the salient point that certain way arranges on flow guiding disc surface.This special Hydraulic design makes treatment fluid flow through under pressure when filter membrane surface meets salient point collision and forms turbulent flow, increases transmission rates and self-cleaning function, thus efficiently avoid film blocking and concentration polarization phenomenon, extends the service life of diaphragm；Also easily the dirty on diaphragm is cleaned during cleaning.Dish tubular membrane component is applicable to process high turbidity and the high waste water containing sand coefficient, adapts to worse flow condition.
A kind of containing wastewater from catalyst zero discharge treatment device described in the utility model, has the advantage that
1, a kind of containing wastewater from catalyst zero discharge treatment device described in the utility model, processing step is simple, easy to operate, and capacity of resisting impact load is strong, and the technological process using multistage pretreatment unit to work in coordination with reverse osmosis units processes containing wastewater from catalyst and realizes zero-emission.
2, a kind of containing wastewater from catalyst zero discharge treatment device described in the utility model, by using the most heavy unit sediment fraction silicon dioxide, except the dosage of silicon medicament adjusts according to online silicon dioxide measuring instrument, and employing Calx is except silicon, magnesia mixture are except silicon, coagulation are except the collaborative process of silicon, except silicon medicament is fully used, ratio optimization, form cooperative effect, use condition relaxes, and operating procedure is simple, reaches well except silicon effect.Efficiently solve the fluctuation of containing wastewater from catalyst dioxide-containing silica big, the unmanageable difficult problem of chemical feeding quantity.
3, a kind of containing wastewater from catalyst zero discharge treatment device described in the utility model, reverse osmosis units uses disc tube reverse osmosis (dt-ro) membrane module, it is adaptable to high turbidity and the high filter element water outlet containing sand coefficient, successfully manages severe flow condition.Additionally, there is the salient point that certain way arranges on dish tubular membrane component flow guiding disc surface.This special Hydraulic design makes treatment fluid flow through under pressure when filter membrane surface meets salient point collision and forms turbulent flow, increase transmission rates and self-cleaning function, thus efficiently avoid film blocking and concentration polarization phenomenon, extend the service life of diaphragm, assembly is easy to maintenance and diaphragm replacement cost is low, and ensures that producing water water quality can reach recycle-water requirement.The dense water of reverse osmosis units is evaporated crystallization and obtains distilled water and crystallized product, and crystallized product is transported outward；Distilled water and reverse osmosis units product water, together as the former Water circulation of Desultwater Station, without outer draining in whole technique, really realize zero-emission.
4, a kind of containing wastewater from catalyst zero discharge treatment device described in the utility model, change adjusting apparatus according to water quality runs, when in waste water, float and dioxide-containing silica are relatively low, waste water is directly entered NH_3-N treating unit after being adjusted unit regulation, shorten handling process, reduce added amount of chemical, cut operating costs.The recyclable ammonia nitrogen of NH_3-N treating unit simultaneously, is ammonium salt recycling by the mineralized nitrogen in waste water, it is achieved changing waste into resources.A kind of containing wastewater from catalyst zero discharge treatment device high treating effect described in the utility model, it is achieved the zero-emission of containing wastewater from catalyst, saving water resource, is particularly suited for the chemical catalyst manufacturing enterprise in shortage of water resources area.
It is exemplified below example so that effect of the present utility model to be described, but right of the present utility model is not limited only to this.
Embodiment: certain catalyst plant sewage, influent quality is: SiO2For 200-700mg/L, Ca2+Content be 432-552mg/L, turbidity is 10-15NTU, after a kind of containing wastewater from catalyst Zero emission device described in the utility model processes, SiO2≤ 1mg/L, Ca2+Content is less than 0.2mg/L, turbidity≤0.1NTU, meets technique reuse requirement.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (3)
1. a containing wastewater from catalyst zero discharge treatment device, it is characterised in that including:
The most heavy unit, removes the float in water and silicon dioxide for preliminary sedimentation；
Regulation unit, for uniform water quality and the water yield, is connected with the most heavy described unit；
Except silicon unit, for removing the float in water and major part silicon dioxide, it is connected with described regulation unit；
NH_3-N treating unit, is used for reclaiming ammonia nitrogen and is converted into ammonium salt recycling, reduces the ammonia nitrogen in the described water discharged except silicon unit, is connected except silicon unit with described；
Pliable cell, for removing float and the calcium ions and magnesium ions of excess of residual in described NH_3-N treating unit draining, is connected with described NH_3-N treating unit；
Filter element, for removing the small float in the water that described pliable cell is discharged and colloid further, is connected with described pliable cell；
Reverse osmosis units, for described filter element draining carries out desalination and concentration, produces water and enters reverse osmosis produced water tank, be connected with described filter element；
Evaporative crystallization unit, for the dense water evaporative crystallization to described reverse osmosis units, distilled water enters reverse osmosis produced water tank, and crystal is transported outward, and is connected with described reverse osmosis units.
Containing wastewater from catalyst zero discharge treatment device the most according to claim 1, it is characterised in that described except being provided with online silicon dioxide measuring instrument in silicon unit.
Containing wastewater from catalyst zero discharge treatment device the most according to claim 1, it is characterized in that, described filter element is the combination of one or more in sand filtration, security personnel's filtration, secondary filter or ultrafiltration, and described filter element selects according to the inflow requirement of water quality and follow-up reverse osmosis units.
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| CN201521116969.1U CN205473133U (en) | 2015-12-30 | 2015-12-30 | Catalyst waste water zero release processing apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417826A (en) * | 2015-12-30 | 2016-03-23 | 北京清大国华环境股份有限公司 | Catalyst waste water zero discharge method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105417826A (en) * | 2015-12-30 | 2016-03-23 | 北京清大国华环境股份有限公司 | Catalyst waste water zero discharge method and device |
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Address after: 100085 C404, Building C, Jiahua Building, 9 Shangdi Third Street, Haidian District, Beijing Patentee after: Tsingdahua Environment Group Co., Ltd. Address before: 100085 C404, Building C, Jiahua Building, 9 Shangdi Third Street, Haidian District, Beijing Patentee before: BEIJING GO HIGHER ENVIRONMENT CO., LTD. |