CN204689841U - Low temperature environment oilfield sewage biochemical treatment experimental system - Google Patents
Low temperature environment oilfield sewage biochemical treatment experimental system Download PDFInfo
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- CN204689841U CN204689841U CN201520371148.6U CN201520371148U CN204689841U CN 204689841 U CN204689841 U CN 204689841U CN 201520371148 U CN201520371148 U CN 201520371148U CN 204689841 U CN204689841 U CN 204689841U
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Abstract
Low temperature environment oilfield sewage biochemical treatment experimental system, relate to disposing polluted water in oil technical field, comprise the Buffer Pool of independent layout, one-level biochemistry pool, secondary biochemical pond and settling bowl, the output terminal of Buffer Pool is connected by the input terminus of service pump with one-level biochemistry pool, above settling bowl, set out the mouth of a river; Low temperature environment oilfield sewage biochemical treatment experimental system also comprises water-bath heater, hot water pump, two groups of heat exchangers, and wherein one group of heat exchanger is arranged in one-level biochemistry pool, and another group heat exchanger is arranged in secondary biochemical pond; In one-level biochemistry pool and secondary biochemical pond, all arrange aerator, two groups of aerators connect same aeration pump by pipeline.The utility model can run at low ambient temperatures, for ensureing biochemical system optimal working temp during low temperature, increases work efficiency.Also can evaluate the temperature tolerance of bacterial classification simultaneously, and then screen micro-organism treatment process technology and parameter optimization, for situ industrial provides appraisal report.
Description
Technical field
The utility model relates to disposing polluted water in oil technical field.
Background technology
Current oilfield sewage emulsification is serious, oleaginousness is high, solid suspension content is high, makes that the type produced water disposal difficulty is large, cost is high.Will adopt biochemical treatment to the type sewage, that must carry out early stage can biochemical effects evaluation analysis, along with deepening continuously of oil-field development, progressively increases the indoor biochemical effects evaluation of oilfield sewage and parameter optimization work.The suitable temp of general microorganism growth is between 20 DEG C ~ 30 DEG C, and when temperature is lower than 10 DEG C, its biochemical effects can obviously reduce.But in winter, the sewage sample temperature in laboratory is general all below 15 DEG C, even close to 0 DEG C.So in the winter time, the evaluation of oilfield sewage sample biochemical effects preferably works brief termination of having to, and affects working efficiency.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of low temperature environment oilfield sewage biochemical treatment experimental system, can run at low ambient temperatures, for ensureing biochemical system optimal working temp during low temperature, increases work efficiency.Also can evaluate the temperature tolerance of bacterial classification simultaneously, and then screen micro-organism treatment process technology and parameter optimization, for situ industrial provides appraisal report.
The purpose of this utility model is achieved in that low temperature environment oilfield sewage biochemical treatment experimental system, comprise the Buffer Pool of independent layout, one-level biochemistry pool, secondary biochemical pond and settling bowl, the output terminal of Buffer Pool connects service pump by pipeline, feedwater delivery side of pump is connected by the input terminus of pipeline with one-level biochemistry pool, the output terminal of one-level biochemistry pool is connected by the input terminus of pipeline with secondary biochemical pond, the output terminal in secondary biochemical pond is connected with settling bowl input terminus by pipeline, above settling bowl, set out the mouth of a river; Low temperature environment oilfield sewage biochemical treatment experimental system also comprises water-bath heater, two groups of heat exchangers, the output terminal of water-bath heater connects hot water pump by pipeline, hot water delivery side of pump is connected by the input terminus of pipeline with two groups of heat exchangers, wherein one group of heat exchanger is arranged in one-level biochemistry pool, another group heat exchanger is arranged in secondary biochemical pond, and the output terminal of two groups of heat exchangers is connected with the input terminus of water-bath heater by pipeline; In described one-level biochemistry pool and secondary biochemical pond, all arrange aerator, two groups of aerators connect same aeration pump by pipeline.
Principle of work of the present utility model: service pump is by sewage input one-level biochemistry pool in Buffer Pool, and in one-level biochemistry pool, sewage flows through secondary biochemical pond and settling bowl by pressure difference, finally discharges from water outlet.Give biochemistry pool aeration at different levels by aeration pump through aerator, oxygen needed for microorganism growth is provided.Biochemistry pool is by heating up with heat exchange dish and being incubated.Hot water in water-bath heater is flowed through in each biochemistry pool by hot water pump and returns water-bath heater after heat exchange dish.The adjustment of biochemistry pool temperature is regulated by hot water pump discharge capacity and in water-bath heater, water temperature controls to realize.
When experimental situation temperature is less than 15 DEG C, adopt that this device can ensure one-level, secondary biochemical pond temperature maintains more than 20 DEG C, parameter preferably in experimental installation operating temperature can reach 20 DEG C ~ 80 DEG C.
Adopt biological contact oxidization treatment technique to test oilfield sewage sample: when envrionment temperature about 12 DEG C, biochemistry pool temperature remains on 25 DEG C, and sewage sample oil-containing is 79.8mg/L, after 8h degraded, oil-containing reaches 0.94mg/L, reaches more than 98% containing oil removing rate.COD value also from 438mg/L reduce to 102mg/L, COD clearance is 76.7%.Sewage quality obviously improves.
Adopt the temperature tolerance of this device to oilfield sewage contaminant degradation microbial inoculum to test, determine its most high temperature tolerance and reach 35 DEG C.
In sum, the utility model can run at low ambient temperatures, for ensureing biochemical system optimal working temp during low temperature, increases work efficiency.Also can evaluate the temperature tolerance of bacterial classification simultaneously, and then screen micro-organism treatment process technology and parameter optimization, for situ industrial provides appraisal report.And pond at different levels of the present utility model is independent pond, the leap flow process between each pond can be realized.
As improvement of the present utility model, equal set temperature sensor in described Buffer Pool, described one-level biochemistry pool, described secondary biochemical pond, the signal output part of three temperature sensors connects same integrated temperature indicating meter.In Buffer Pool, one-level biochemistry pool and secondary biochemical pond, sewage temperature is presented on integrated temperature indicating meter by temperature sensor.
For the ease of metering, the pipeline between described service pump with one-level biochemistry pool is connected first-class gauge; All be connected second gauge often organizing on the pipeline between aerator with aeration pump.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
1 Buffer Pool, 2 one-level biochemistry pools, 3 secondary biochemical ponds, 4 settling bowls, 5 temperature sensors, 6 integrated temperature indicating meters, 7 service pumps, 8 aerators, 9 aeration pumps, 10 first-class gauge, 11 water outlets, 12 water-bath heaters, 13 hot water pumps, 14 heat exchangers, 15 second gauge.
Embodiment
As shown in Figure 1, low temperature environment oilfield sewage biochemical treatment experimental system, comprise the Buffer Pool 1 of independent layout, one-level biochemistry pool 2, secondary biochemical pond 3 and settling bowl 4, the output terminal of Buffer Pool 1 connects service pump 7 by pipeline, the output terminal of service pump 7 is connected by the input terminus of pipeline with one-level biochemistry pool 2, the pipeline between service pump 7 with one-level biochemistry pool 2 is connected first-class gauge 10.The output terminal of one-level biochemistry pool 2 is connected by the input terminus of pipeline with secondary biochemical pond 3, and the output terminal in secondary biochemical pond 3 is connected by the input terminus of pipeline with settling bowl 4, sets out the mouth of a river 11 above settling bowl 4.
Low temperature environment oilfield sewage biochemical treatment experimental system also comprises water-bath heater 12, two groups of heat exchangers 14, the output terminal of water-bath heater 12 connects hot water pump 13 by pipeline, the output terminal of hot water pump 13 is connected by the input terminus of pipeline with two groups of heat exchangers 14, wherein one group of heat exchanger 14 is arranged in one-level biochemistry pool 2, another group heat exchanger 14 is arranged in secondary biochemical pond 3, and the output terminal of two groups of heat exchangers 14 is connected by the input terminus of pipeline with water-bath heater 12.In Buffer Pool 1, one-level biochemistry pool 2, secondary biochemical pond 3, the signal output part of equal set temperature sensor 5, three temperature sensors 5 connects same integrated temperature indicating meter 6.
In one-level biochemistry pool 2 and secondary biochemical pond 3, aerator 8 is all set, two groups of aerators 8 are connected same aeration pump 9 after stretching out one-level biochemistry pool 2 and secondary biochemical pond 3 by pipeline, are all connected second gauge 15 often organizing on the pipeline between aerator 8 with aeration pump 9.
Claims (3)
1. low temperature environment oilfield sewage biochemical treatment experimental system, it is characterized in that: comprise the Buffer Pool of independent layout, one-level biochemistry pool, secondary biochemical pond and settling bowl, the output terminal of Buffer Pool connects service pump by pipeline, feedwater delivery side of pump is connected by the input terminus of pipeline with one-level biochemistry pool, the output terminal of one-level biochemistry pool is connected by the input terminus of pipeline with secondary biochemical pond, the output terminal in secondary biochemical pond is connected with settling bowl input terminus by pipeline, above settling bowl, set out the mouth of a river; Low temperature environment oilfield sewage biochemical treatment experimental system also comprises water-bath heater, two groups of heat exchangers, the output terminal of water-bath heater connects hot water pump by pipeline, hot water delivery side of pump is connected by the input terminus of pipeline with two groups of heat exchangers, wherein one group of heat exchanger is arranged in one-level biochemistry pool, another group heat exchanger is arranged in secondary biochemical pond, and the output terminal of two groups of heat exchangers is connected with the input terminus of water-bath heater by pipeline; In described one-level biochemistry pool and secondary biochemical pond, all arrange aerator, two groups of aerators connect same aeration pump by pipeline.
2. low temperature environment oilfield sewage biochemical treatment experimental system according to claim 1, it is characterized in that: equal set temperature sensor in described Buffer Pool, described one-level biochemistry pool, described secondary biochemical pond, the signal output part of three temperature sensors connects same integrated temperature indicating meter.
3. low temperature environment oilfield sewage biochemical treatment experimental system according to claim 1, is characterized in that: the pipeline between described service pump with one-level biochemistry pool is connected first-class gauge; All be connected second gauge often organizing on the pipeline between aerator with aeration pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520371148.6U CN204689841U (en) | 2015-06-02 | 2015-06-02 | Low temperature environment oilfield sewage biochemical treatment experimental system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520371148.6U CN204689841U (en) | 2015-06-02 | 2015-06-02 | Low temperature environment oilfield sewage biochemical treatment experimental system |
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| CN204689841U true CN204689841U (en) | 2015-10-07 |
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| CN201520371148.6U Active CN204689841U (en) | 2015-06-02 | 2015-06-02 | Low temperature environment oilfield sewage biochemical treatment experimental system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107555706A (en) * | 2016-07-01 | 2018-01-09 | 中国石油化工股份有限公司 | A kind of device and method of oilfield sewage biochemical treatment temperature control |
| CN112209576A (en) * | 2020-10-30 | 2021-01-12 | 广西博亚涛环保科技有限公司 | Rural domestic sewage treatment system suitable for low temperature condition |
-
2015
- 2015-06-02 CN CN201520371148.6U patent/CN204689841U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107555706A (en) * | 2016-07-01 | 2018-01-09 | 中国石油化工股份有限公司 | A kind of device and method of oilfield sewage biochemical treatment temperature control |
| CN112209576A (en) * | 2020-10-30 | 2021-01-12 | 广西博亚涛环保科技有限公司 | Rural domestic sewage treatment system suitable for low temperature condition |
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