CN202968188U - Ozone and activated carbon integrated sewage treatment unit - Google Patents
Ozone and activated carbon integrated sewage treatment unit Download PDFInfo
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- CN202968188U CN202968188U CN 201220609887 CN201220609887U CN202968188U CN 202968188 U CN202968188 U CN 202968188U CN 201220609887 CN201220609887 CN 201220609887 CN 201220609887 U CN201220609887 U CN 201220609887U CN 202968188 U CN202968188 U CN 202968188U
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- ozone
- gac
- integrated sewage
- treating apparatus
- activated carbon
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Abstract
The utility model provides an ozone and activated carbon integrated sewage treatment unit. The sewage treatment unit comprises a tank body, an ozone generator, a water inlet pump, a Venturi tube, an air compressor, a backwashing water pump, a water outlet pipeline and a backwashing water outlet pipeline, wherein the tank body is an enclosed tank body and is divided into an ozone oxidizing chamber and an activated carbon absorbing chamber by a partition plate, wherein the upper part of the ozone oxidizing chamber is communicated with that of the activated carbon absorbing chamber; the water inlet pump is connected with the lower part of the ozone oxidizing chamber by a pipeline; the Venturi tube is arranged on the pipeline and is connected with the zone generator; the backwashing water pump and the air compressor are connected to the lower part of the activated carbon absorbing chamber by the same pipeline; the water outlet pipeline is arranged at the lower part of the activated carbon absorbing chamber; and the backwashing water outlet pipeline is arranged at the lower part of the ozone oxidizing chamber. By adopting the sewage treatment device, the ozone utilization rate can be improved, the pollutant in the sewage can be effectively absorbed, and the service life of the activated carbon can be prolonged by utilizing the ozone.
Description
Technical field
The utility model relates to a kind of ozone and gac integrated sewage treating apparatus, particularly relates to a kind of ozone and integrated oil-contaminated water deep processing device of gac with catalyst layer filler, bends in environment protection and water treatment field.
Background technology
The sewage that more present oilfield enterprises discharge in process of production, complicated component, saltiness is high, and oleaginousness is high, and biodegradability is poor, hardly degraded organic substance content is high, adopt conventional materialization and biochemical treatment to be difficult to effectively reduce chemical oxygen demand in sewage (COD) and sewage with oil, because water displacement outside oilfield enterprise is larger, need to carry out advanced treatment to reduce COD content in sewage to sewage, thereby control the carbon emission total amount, control simultaneously the externally discharged waste water oleaginousness.
Ozone is since being found, as a kind of strong oxidizer, be applied to existing more than 100 year of sewage disposal research, although ozone has strong oxidizing property, and itself can not produce secondary pollution, but obvious shortcoming is arranged also, it is the chemical oxygen demand (COD) (COD) that is difficult in the ozone oxidation process thoroughly remove in sewage, ozone and organic reaction have stronger selectivity, low dosage and in the short period of time ozone can not the complete oxidation organism be carbonic acid gas and water, the intermediate product that decompose to generate can stop the further oxygenizement of ozone.In sewage treatment process, the utilization ratio of ozone is lower, causes ozone actual effect in sewage disposal unsatisfactory, has directly limited its promotion and application.
Adsorption technology because it is widely applicable, is widely used at environmental area (off gas treatment, water treatment), and wherein, active carbon adsorption technology is subject to very big attention in water treatment field.Gac is a kind of efficient superior adsorbent, and is all applicable to various concentration waste water, but is subjected to its saturated adsorption quantitative limitation, needs periodic replacement or regeneration.
Therefore, how to overcome that the ozone utilization rate that exists in prior art is not high, oxidize contaminants not thoroughly, the focus of problem the becomes Recent study such as gac work-ing life is short.
The utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of ozone and gac integrated sewage treating apparatus.This waste disposal plant can improve ozone utilization rate, pollutent in active adsorption sewage, and can utilize ozone to extend gac work-ing life.
For reaching above-mentioned purpose, the utility model provides a kind of ozone and gac integrated sewage treating apparatus, it is characterized in that, this waste disposal plant comprises pond body, ozonizer, water inlet water pump, Venturi tube, air compressor machine, backwash pump, water outlet pipeline, back flushing water outlet pipeline;
Wherein, described pond body is closed pond body, and it is the ozone oxidation chamber that is communicated with, top and charcoal absorption chamber by a baffle for separating;
Described water inlet water pump is connected with the bottom of described ozone oxidation chamber by pipeline, and is provided with a Venturi tube in this pipeline, and this Venturi tube is connected with described ozonizer;
Described backwash pump and described air compressor machine are connected with the bottom of described charcoal absorption chamber by the same pipeline;
Described water outlet pipeline is located at the bottom of described charcoal absorption chamber;
Described back flushing water outlet pipeline is located at the bottom of described ozone oxidation chamber.
During working order, waste disposal plant of the present utility model makes the ozone that produces into the sewage of water water pump lifting and ozonizer (take the cumulative volume of the sewage processed as benchmark, ozone concn is 50-60mg/L) pass through together Venturi tube, after fully being mixed, sewage and ozone enters the ozone oxidation chamber, move in the indoor employing upward flow of ozone oxidation mode, to the stream mode operation, sewage is carried out advanced treatment under the indoor employing of charcoal absorption.
During the back flushing state, waste disposal plant of the present utility model adopts air compressor machine and backwash pump to carry out successively air purge and washing, and the suspended substance of holding back in device is removed, and device can put into operation again.Wherein, described backwash pump is connected with the bottom of described charcoal absorption chamber by pipeline and is connected, and is provided with a threeway in this pipeline, and this threeway is connected in described air compressor machine, and described backwash pump and described air compressor machine are by valve control separately.
In above-mentioned ozone and gac integrated sewage treating apparatus, preferably, the height of described dividing plate is the 80%-90% of described pond height.
In above-mentioned ozone and gac integrated sewage treating apparatus, preferably, described ozone oxidation chamber interior is provided with catalyst layer, and the thickness of this catalyst layer is the 75%-85% of described ozone oxidation chamber height.More preferably, the thickness of described catalyst layer is 2.0m.Catalyst layer of the present utility model can excite a large amount of strong oxidizing property free radicals of ozone generation, organic pollutant in degradation of sewage, and accelerate speed of reaction, improve ozone utilization rate.
In above-mentioned ozone and gac integrated sewage treating apparatus, preferably, the granules of catalyst in described catalyst layer is that particle diameter is the granules of catalyst of the loaded metal ion of 2-3mm.The granules of catalyst of described loaded metal ion can be the granules of catalyst of the metal ions such as Supported Manganese, copper, iron, zinc.
In above-mentioned ozone and gac integrated sewage treating apparatus, preferably, described charcoal absorption chamber interior is provided with active carbon layer, and the thickness of this active carbon layer is the 75%-85% of described charcoal absorption chamber height.More preferably, the thickness of described active carbon layer is 2.0m.Active carbon layer of the present utility model can adsorb undecomposed ozone in sewage, need not additionally to arrange tail gas and destroys system, and simultaneously, ozone has regeneration to gac, can extend gac work-ing life.
In above-mentioned ozone and gac integrated sewage treating apparatus, preferably, the activated carbon granule in described active carbon layer is column, and particle diameter is the activated carbon granule of 3mm.
In above-mentioned ozone and gac integrated sewage treating apparatus, preferably, described activated carbon granule is that iodine number is the activated carbon granule of 900mg/g.
Ozone of the present utility model and gac integrated sewage treating apparatus adopt the design of pond body top seal, have avoided ozone effusion environmental disruption; Adopt load that the catalyst layer filler of metal ion is arranged, can improve ozone to organic degradation capability in sewage, improve ozone utilization rate, solved ozone not thorough to organic pollutant degradation, and need the problem of additional oxidizer in oxidising process, reach that exhaustive oxidation decomposes organism in sewage and the purpose that makes purification of water quality; When adopting in active carbon layer filling adsorption sewage organic pollutant, can adsorb the ozone that destruction is not utilized fully, need not to arrange the ozone layer destroying system, in addition, ozone has regeneration to gac, can extend gac work-ing life.Ozone of the present utility model and the gac integrated sewage treating apparatus reaction conditions in working order the time is gentle, need not separately to add secondary oxidizer; Air inlet when the back flushing state uses the same pipeline to enter the pond body with water inlet, has saved the initial cost expense.Waste disposal plant of the present utility model can be applicable in the oily(waste)water advanced treatment, has important promotional value, and economic benefit and social benefit are remarkable.
Description of drawings
Fig. 1 is ozone and the gac integrated sewage treating apparatus schematic diagram of embodiment 1.
The primary clustering nomenclature:
Ozone oxidation chamber 1 charcoal absorption chamber 2 catalyst layer 3 active carbon layer 4 air compressor machine 5 backwash pump 6 ozonizers 7 water inlet water pump 8 Venturi tube 9 water outlet pipeline 10 back flushing water outlet pipeline 11 pond bodies 12
Embodiment
In order better to understand the utility model, further illustrate content of the present utility model below in conjunction with embodiment, but content of the present utility model not only is confined to the following examples.
Embodiment 1
The present embodiment provides a kind of ozone and gac integrated sewage treating apparatus, as shown in Figure 1, this waste disposal plant comprises pond body 12, ozonizer 7, water inlet water pump 8, Venturi tube 9, air compressor machine 5, backwash pump 6, water outlet pipeline 10, back flushing water outlet pipeline 11;
Wherein, described pond body 12 is enclosed concrete basin, it is the ozone oxidation chamber 1 that is communicated with, top and charcoal absorption chamber 2 by a baffle for separating, wherein, the height of described dividing plate is 1.8m, 1 inside, described ozone oxidation chamber is filled with the catalyst layer 3 of the aluminium sesquioxide granulometric composition of Supported Manganese that diameter is 2-3mm, iron, copper metal ion, and the thickness of this catalyst layer 3 is 2.0m, 2 inside, described charcoal absorption chamber are filled with the active carbon layer 4 that particle diameter is the column type active carbon particles composition of 3mm, and the thickness of this active carbon layer 4 is 2.0m;
Described water inlet water pump 8 is connected by the bottom of pipeline with described ozone oxidation chamber 1, and is provided with a Venturi tube 9 in this pipeline, and this Venturi tube 9 is connected with described ozonizer 7;
Described backwash pump 6 and described air compressor machine 5 are connected by the bottom of same pipeline with described charcoal absorption chamber 2;
Described water outlet pipeline 10 is located at the bottom of described charcoal absorption chamber 2;
Described back flushing water outlet pipeline 11 is located at the bottom of described ozone oxidation chamber 1.
during working order, the ozone of the present embodiment and gac integrated sewage treating apparatus make the ozone of the sewage that promotes into water water pump 8 and ozonizer 7 generations (take the cumulative volume of the sewage processed as benchmark, ozone concn is 50-60mg/L) together by Venturi tube 9, after fully being mixed, sewage and ozone enters ozone oxidation chamber 1, move in ozone oxidation chamber 1 interior employing upward flow mode, sewage obtains oxidative degradation under the acting in conjunction of ozone and catalyst layer 3, then the part that is communicated with 2 tops, charcoal absorption chamber by ozone oxidation chamber 1 enters charcoal absorption chamber 2, move to stream mode under charcoal absorption chamber 2 interior employings, organic pollutant in sewage is adsorbed by active carbon layer 4, the ozone that does not decompose is fully simultaneously adsorbed by active carbon layer 4, sewage is after treatment discharged through water outlet pipeline 10.
During the back flushing state, the ozone of the present embodiment and gac integrated sewage treating apparatus adopt air compressor machine 5 and backwash pump 6 to carry out successively air purge and washing, first provide source of the gas to carry out air purge by air compressor machine 5, air is successively by charcoal absorption chamber 2 and ozone oxidation chamber 1, the suspended substance of holding back on active carbon layer 4 and catalyst layer 3 is washed out by gas, then provide backwashing water to wash by backwash pump 6, discharged by back flushing water outlet pipeline 11 with backwashing water by the suspended substance that gas washes out.Can repeatedly carry out air purge and washing, until the suspended substance of holding back in device is removed, device can put into operation again.
Test case 1
Ozone and gac integrated sewage treating apparatus that this test case adopts embodiment 1 to provide carry out sewage disposal to certain oil field cleaning of evaporator sewage.The petroleum-type of this oil field cleaning of evaporator sewage is 42mg/L, and COD is 220mg/L, and the ozone concn of employing is 55mg/L (take the cumulative volume of the sewage processed as benchmark), and the processing water yield is 6m
3/ h.Detection method is: according in GB 11914-89, water chemical oxygen demand being measured: the regulation of dichromate titration is carried out the mensuration of COD; According in GB/T 16488-1996 to water-quality petroleum and animals and plants Determination of oil: the regulation of infrared spectrophotometry is carried out the mensuration of petroleum-type; According in CJ/T3028.2-1994 to the measurement of ozonizer ozone concn, output, power consumption: the regulation of iodimetry,iodometry is carried out the mensuration of ozone concn.The experimental result of reacting after 1 hour is as shown in table 1.
Table 1
As shown in Table 1, after reaction in 1 hour, ozone oxidation chamber water outlet oil-containing is 20mg/L, and charcoal absorption chamber water outlet oil-containing is 3.5mg/L, and the sewage with oil clearance is 91.7%; Water outlet COD in ozone oxidation chamber is 85mg/L, and charcoal absorption chamber water outlet COD is 41mg/L, and the COD clearance is 81.4%; Water outlet ozone concn in ozone oxidation chamber is 5mg/L, and ozone utilization rate is 90.9%.In addition, contain a small amount of concentration ozone in ozone oxidation chamber water outlet, it can be adsorbed by active carbon layer, and gac is had regeneration, has extended gac work-ing life.
Claims (9)
1. an ozone and gac integrated sewage treating apparatus, it is characterized in that, this ozone and gac integrated sewage treating apparatus comprise pond body, ozonizer, water inlet water pump, Venturi tube, air compressor machine, backwash pump, water outlet pipeline, back flushing water outlet pipeline;
Wherein, described pond body is closed pond body, and it is the ozone oxidation chamber that is communicated with, top and charcoal absorption chamber by a baffle for separating;
Described water inlet water pump is connected with the bottom of described ozone oxidation chamber by pipeline, and is provided with a Venturi tube in this pipeline, and this Venturi tube is connected with described ozonizer;
Described backwash pump and described air compressor machine are connected with the bottom of described charcoal absorption chamber by the same pipeline;
Described water outlet pipeline is located at the bottom of described charcoal absorption chamber;
Described back flushing water outlet pipeline is located at the bottom of described ozone oxidation chamber.
2. ozone as claimed in claim 1 and gac integrated sewage treating apparatus, is characterized in that, the height of described dividing plate is the 80%-90% of described pond height.
3. ozone as claimed in claim 2 and gac integrated sewage treating apparatus, is characterized in that, described ozone oxidation chamber interior is provided with catalyst layer, and the thickness of this catalyst layer is the 75%-85% of described ozone oxidation chamber height.
4. ozone as claimed in claim 3 and gac integrated sewage treating apparatus, is characterized in that, the thickness of described catalyst layer is 2.0m.
5. ozone as claimed in claim 4 and gac integrated sewage treating apparatus, is characterized in that, the granules of catalyst in described catalyst layer is that particle diameter is the granules of catalyst of the loaded metal ion of 2-3mm.
6. ozone as claimed in claim 2 and gac integrated sewage treating apparatus, is characterized in that, described charcoal absorption chamber interior is provided with active carbon layer, and the thickness of this active carbon layer is the 75%-85% of described charcoal absorption chamber height.
7. ozone as claimed in claim 6 and gac integrated sewage treating apparatus, is characterized in that, the thickness of described active carbon layer is 2.0m.
8. ozone as claimed in claim 7 and gac integrated sewage treating apparatus, is characterized in that, the activated carbon granule in described active carbon layer be column, particle diameter is the activated carbon granule of 3mm.
9. ozone as claimed in claim 8 and gac integrated sewage treating apparatus, is characterized in that, described activated carbon granule is that iodine number is the activated carbon granule of 900mg/g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220609887 CN202968188U (en) | 2012-11-16 | 2012-11-16 | Ozone and activated carbon integrated sewage treatment unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220609887 CN202968188U (en) | 2012-11-16 | 2012-11-16 | Ozone and activated carbon integrated sewage treatment unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202968188U true CN202968188U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220609887 Expired - Fee Related CN202968188U (en) | 2012-11-16 | 2012-11-16 | Ozone and activated carbon integrated sewage treatment unit |
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| CN (1) | CN202968188U (en) |
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2012
- 2012-11-16 CN CN 201220609887 patent/CN202968188U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170308 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee after: China National Petroleum Corp. Patentee after: China Petroleum Pipeline Engineering Co.,Ltd. Address before: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee before: China National Petroleum Corp. Patentee before: CHINA PETROLEUM PIPELINE BUREAU |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20211116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |