CN1322910C - Waste filtering material recovering and cleaning process for sewage filtering tank - Google Patents
Waste filtering material recovering and cleaning process for sewage filtering tank Download PDFInfo
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- CN1322910C CN1322910C CNB2004100441975A CN200410044197A CN1322910C CN 1322910 C CN1322910 C CN 1322910C CN B2004100441975 A CNB2004100441975 A CN B2004100441975A CN 200410044197 A CN200410044197 A CN 200410044197A CN 1322910 C CN1322910 C CN 1322910C
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Abstract
The present invention relates to a waste filtering material recovering and cleaning process for a sewage filtering tank, which mainly solves the problems that polluted waste filtering material can not be recovered and reused, and the waste filtering material pollutes environment. The present invention is characterized in that the waste filtering material is put into a washer (5); circulating systems of a detergent circulating pump (6) and a washer are started; adsorbate on the waste filtering material is stripped, enters a washing liquid preparing flume (12) from a detergent outputting pipeline (4) by following the flowing detergent and is automatically separated; the detergent is pumped into the washer (5) from the lower part of a partition plate (14) in the washing liquid preparing flume (12) and the detergent circulating pump (6) by a detergent inputting pipeline (7) and is continuously circulated; when floaters do not occur any longer in the washer (5), the washing process is finished, and the washed filtering material is discharged into a material holding slot (10) for being recovered by a filtering material outlet (9) of the washer (5). The process solves the problem of environment pollution brought by the discarded waste filtering material, and the wasted filtering material cleanly and thoroughly washed can be repeatedly used.
Description
Technical field:
The useless filtrate of recycling, particularly sewage water filtration jar that the present invention relates to useless filtrate in the oil recovery field, oil field reclaims cleaning.
Background technology:
In the oil field development technology, sewage water filtration jar filtrate needed later on to change using usually in 3～5 years, was replaced the useless filtrate that gets off under most of situation of past and discarded near oil-producing region ground surface without any processing or dig pit and bury.Along with the reinforcement of environmental protection requirement, part enterprise or mechanism attempt recycling, and because of being subjected to the cleaning technology limitation, still rest on the trial stage in recent years, fail to promote.Usually the means that adopt are high temperature alkaline-heating methods.Complicated component because of the particularity filter material surface adsorbate of filtrate working environment: greasy dirt, asphalitine, polymer and variation thing thereof, sulfate reducing bacteria metabolin and oil reservoir mud etc. are arranged, and high temperature soda boiling ablution effect is relatively poor, produces a large amount of alkali wasteliquids simultaneously.The useless filtrate that adopts the soda boiling ablution to reclaim was once attempted being applied to repair the roads in the engineering, but because of clean greasy dirt inadequately thoroughly concrete strength do not reach designing requirement, fail to continue to apply.
Summary of the invention:
In order to solve useless filtrate recycling of contaminated oilfield sewage filtering tank and useless filtrate problem of environment pollution caused, the invention provides the useless filtrate of a kind of sewage water filtration jar and reclaim cleaning, this technology solves the problem of environmental pollution that discarded useless filtrate brings, and to totally thoroughly can reusing that useless filtrate cleans.
The technical solution adopted in the present invention is: the useless filtrate of this sewage water filtration jar reclaims cleaning: the filtrate that will give up is put into cleaning machine, start the circulatory system of cleaning agent circulating pump and cleaning machine, adsorbate on the useless filtrate is stripped from the cleaning agent that flows and is entered separation voluntarily in the cleaning liquid pool by the cleaning agent export pipeline, the division board below pumps into continuation circulation in the cleaning machine by the cleaning agent circulating pump by the cleaning agent intake pipeline to cleaning agent in the liquid pool from cleaning, when no longer producing floating thing in the cleaning machine, cleaning process finishes, scavenge port by cleaning machine is excreted to the filtrate of cleaning in the groove that connects material and reclaims, and each component and concentration thereof are in the above-mentioned cleaning agent: 0.1～99% industrial hydrogen peroxide and 0.1～0.3% hydrogen peroxide is played the acidic materials of stabilization.
The circulatory system of above-mentioned cleaning machine is made up of motor, gearbox and helical axis; The concentration of the industrial hydrogen peroxide in the cleaning agent is 5～50%, and the concentration that hydrogen peroxide is played the acidic materials of stabilization is 0.1～0.3%; More preferably, the concentration of the industrial hydrogen peroxide in the cleaning agent is 5～10%, and the concentration that hydrogen peroxide is played the acidic materials of stabilization is 0.3%; The acidic materials that hydrogen peroxide played stabilization are LAN-826; The concentration of cleaning cleaning agent in the liquid pool remains on 4～8%.
Concentration of hydrogen peroxide all can play the effect of cleaning in the above-mentioned cleaning agent in 0.1～99% scope, and 5～10% concentration is the optimum economic benefit scope; Corrosion inhibiter LAN-826 best results, concentration range 0.3% reaches the requirement of stable peroxide hydrogen when above, surpass at 0.5% o'clock and improve the stabilizing effect indifference.
The invention has the beneficial effects as follows: when helical axis rotates under the drive of motor and speed reducer when using this technology, when filtrate is upwards carried from the bottom, make the strong friction of generation between the filtrate, friction between the filtrate helps to peel off the adsorbate of filter material surface, move on the filtrate and can will move to cleaning fluid surface, cleaning machine top on the adsorbate of being stripped from rapidly, then separate in liquid pool, the scrubbing rate can reach more than 99%; Oxygen atom in the hydrogen peroxide in this technology in the used cleaning agent and adsorbate produce the oxidation chemistry reaction, the adsorptivity that changes adsorbate makes it break away from filter material surface, thereby reach the cleaning purpose, produce a certain amount of chemical reaction heat in this course, quicken the stripping process of adsorbate, corrosion inhibiter is the acidic materials that hydrogen peroxide played stabilization, the hydrogen peroxide that does not have corrosion inhibiter is when contacting with the metallic iron surface, its acid stabilizer is consumed very soon, the hydrogen peroxide that loses stabilizing agent can be concentrated in very short time and discharge oxygen atom, cause wasting the effect of available oxygen atom, increase the hydrogen peroxide consumption amount, corrosion inhibiter has the function of the orderly release that ensures oxygen atom, thereby improves cleaning performance.
The cleaning fluid main component is a hydrogen peroxide, does not produce other pollutant in course of reaction, and cleaning fluid continues to use after simple sedimentation and filtration treatment, the recyclable utilization of the adsorbate of being stripped from, and environment protecting is good.
Cleaning contrast with other method is listed as follows:
| Sequence number | Project | The high temperature alkaline-heating method | Oxidizing |
| 1 | Waste liquid | Produce the secondary pollution of alkali wasteliquid | Waste liquid is reusable after |
| 2 | The energy | Cleaning agent must be heated to more than 80 ℃ | Normal temperature carries out |
| 3 | The scrubbing rate | 80～95％ | 99.9％ |
| 4 | Work is strong | High-temperature operation, danger and constructing operation personnel labor | Be easy to realize mechanization, construction |
| Degree | Fatigue resistance is big | ||
| 5 | Investment | Auxiliary facility is many, investment is many, it is high to produce this one-tenth | Auxiliary facility is few, utilization rate of raw materials is high, production cost is low |
Attached: scrubbing rate assay method:
Get former sample 100 gram of expecting, dry, bake out temperature is that 60 ℃, time are to weigh after 60 minutes (W1), cleans in the laboratory; Cleaning condition: 40 ℃ of cleaning agent temperature, pressure mixing time 60 minutes, (W2) weighs; Material sample after the cleaning is with clear water flushing three times, weighs after drying (60 ℃ of temperature, 60 minutes time).After cleaning the on-the-spot material sample of getting after 100 grams clean, drying (60 ℃ of temperature, 60 minutes time), take by weighing material sample (W3), its quantity is identical with W2.Adopt condition same as described above and method to clean and expect sample and take by weighing its quality (W4).Scrubbing rate computing formula :={ 1-(W3-W4)/(W1-W2) } 100%.
Description of drawings:
Fig. 1 is a schematic flow sheet of the present invention.
1-motor among the figure, 2-gearbox, 3-helical axis, 4-cleaning agent export pipeline, 5-cleaning machine, 6-cleaning agent circulating pump, 7-cleaning agent intake pipeline, 8-raffinate recovery line, 9-filtrate outlet, the 10-groove that connects material, 11-drainage sieve plate, 12-cleaning agent liquid pool, 13-screen pack, 14-division board.
The specific embodiment:
The invention will be further described below in conjunction with accompanying drawing:
In conjunction with the accompanying drawings; It is that useless filtrate is put into cleaning machine 5 that the useless filtrate of this filtering tank reclaims cleaning, start the circulatory system of cleaning agent circulating pump 6 and cleaning machine, adsorbate on the useless filtrate is stripped from the cleaning agent that flows and is entered separation voluntarily in the cleaning liquid pool 12 by cleaning agent export pipeline 4, division board 14 belows pump into continuation circulation in the cleaning machine 5 by cleaning agent circulating pump 6 by cleaning agent intake pipeline 7 to cleaning agent in the liquid pool 12 from cleaning, when no longer producing floating thing in the cleaning machine 5, cleaning process finishes, and the scavenge port 9 by cleaning machine 5 is excreted to the filtrate of cleaning in the groove 10 that connects material and reclaims.
When the helical axis 3 in the above-mentioned cleaning machine 5 rotates under the drive of motor 1 and reductor, when filtrate is upwards carried from the bottom, make the strong friction of generation between the filtrate, friction between the filtrate helps to peel off the adsorbate of filter material surface, move on the filtrate and can in liquid pool, separate then rapidly with moving to cleaning fluid surface, cleaning machine 5 top on the adsorbate of being stripped from; The above-mentioned circulatory system is delivered to cleaning agent in the cleaning machine uniformly, guarantee the uniformity of detergent concentration, rapidly the adsorbate of being stripped from is carried out cleaning machine 5 in the flow process from bottom to top, separate for 12 li at the cleaning agent liquid pool, cleaning agent then continues to recycle; Oxygen atom in the above-mentioned cleaning agent in the hydrogen peroxide and adsorbate produce the oxidation chemistry reaction, and the adsorptivity that changes adsorbate makes it break away from filter material surface, thereby reaches the cleaning purpose.Produce a certain amount of chemical reaction heat in this course; quicken the stripping process of adsorbate, the corrosion inhibiter in the cleaning agent, every corrosion inhibiter that hydrogen peroxide is shielded is all effective; wherein preferred LAN-826, this corrosion inhibiter are that Lanzhou blue star cleaning agent limited company produces.The stabilizing agent of hydrogen peroxide is acidic materials, and it is being consumed when metallic iron surface contact, and the hydrogen peroxide that loses stabilizing agent can be concentrated in very short time and discharge oxygen atom, causes wasting the effect of available oxygen atom, increase hydrogen peroxide consumption amount.Corrosion inhibiter has the function of the orderly release that ensures oxygen atom, thereby improves cleaning performance.
Claims (6)
1, the useless filtrate of a kind of sewage water filtration jar reclaims cleaning method, it is characterized in that: the filtrate that will give up is put into cleaning machine (5), start the circulatory system of cleaning agent circulating pump (6) and cleaning machine, adsorbate on the useless filtrate is stripped from the cleaning agent that flows and is entered separation voluntarily in the cleaning liquid pool (12) by cleaning agent export pipeline (4), cleaning agent pumps into cleaning machine (5) in continuation circulation by cleaning agent circulating pump (6) by cleaning agent intake pipeline (7) from cleaning the interior division board of liquid pool (12) (14) below, when no longer producing floating thing in the cleaning machine (5), cleaning process finishes, filtrate outlet (9) by cleaning machine (5) is excreted to the filtrate of cleaning in the groove that connects material (10) and reclaims, and each component and concentration thereof are in the above-mentioned cleaning agent: 0.1～99% industrial hydrogen peroxide and 0.1～0.3% hydrogen peroxide is played the acidic materials of stabilization.
2, the useless filtrate of sewage water filtration jar according to claim 1 reclaims cleaning method, and it is characterized in that: the circulatory system of cleaning machine is made up of motor (1), gearbox (2) and helical axis (3).
3, the useless filtrate of sewage water filtration jar according to claim 3 reclaims cleaning method, and it is characterized in that: the concentration of the industrial hydrogen peroxide in the cleaning agent is 5～50%, and the concentration that hydrogen peroxide is played the acidic materials of stabilization is 0.1～0.3%.
4, the useless filtrate of sewage water filtration jar according to claim 4 reclaims cleaning method, and it is characterized in that: the concentration of the industrial hydrogen peroxide in the cleaning agent is 5～10%, and the concentration that hydrogen peroxide is played the acidic materials of stabilization is 0.3%.
5, the useless filtrate of sewage water filtration jar according to claim 5 reclaims cleaning method, and it is characterized in that: the acidic materials that hydrogen peroxide played stabilization are LAN-826.
6, the useless filtrate of sewage water filtration jar according to claim 6 reclaims cleaning method, and it is characterized in that: the concentration of cleaning the interior cleaning agent of liquid pool (12) remains on 4～8%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100441975A CN1322910C (en) | 2004-12-29 | 2004-12-29 | Waste filtering material recovering and cleaning process for sewage filtering tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100441975A CN1322910C (en) | 2004-12-29 | 2004-12-29 | Waste filtering material recovering and cleaning process for sewage filtering tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1672770A CN1672770A (en) | 2005-09-28 |
| CN1322910C true CN1322910C (en) | 2007-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100441975A Active CN1322910C (en) | 2004-12-29 | 2004-12-29 | Waste filtering material recovering and cleaning process for sewage filtering tank |
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| CN (1) | CN1322910C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104107571B (en) * | 2014-07-28 | 2016-07-06 | 北京中天油石油天然气科技有限公司 | A kind of vertical cylinder type container online back washing device of granular filler filter |
| CN107051004B (en) * | 2017-04-14 | 2021-10-29 | 中国石油化工股份有限公司 | Regeneration method of waste filter material in oil field |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2630230Y (en) * | 2003-06-18 | 2004-08-04 | 中国石油天然气股份有限公司 | Extracorporeal circulating walnut-shell cleaning filter |
| CN2661289Y (en) * | 2003-11-27 | 2004-12-08 | 中国石化集团江汉石油管理局江汉石油机械厂 | Outer scrubbing type filter |
-
2004
- 2004-12-29 CN CNB2004100441975A patent/CN1322910C/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2630230Y (en) * | 2003-06-18 | 2004-08-04 | 中国石油天然气股份有限公司 | Extracorporeal circulating walnut-shell cleaning filter |
| CN2661289Y (en) * | 2003-11-27 | 2004-12-08 | 中国石化集团江汉石油管理局江汉石油机械厂 | Outer scrubbing type filter |
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| Publication number | Publication date |
|---|---|
| CN1672770A (en) | 2005-09-28 |
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Address after: 163000 Committee 14, Qingxin Central Village, Ranghulu District, Daqing City, Heilongjiang Province Patentee after: DAQING LANXING ENVIRONMENTAL ENGINEERING Co.,Ltd. Address before: 163114, Heilongjiang, Daqing province Qing Qing Village District Qing Qing cleaning company Patentee before: Daqing Lanqing Cleaning Techn Co.,Ltd. |