CN104803568A - Feeding device for oil field waste treatment system and work method of feeding device - Google Patents
Feeding device for oil field waste treatment system and work method of feeding device Download PDFInfo
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- CN104803568A CN104803568A CN201510105152.2A CN201510105152A CN104803568A CN 104803568 A CN104803568 A CN 104803568A CN 201510105152 A CN201510105152 A CN 201510105152A CN 104803568 A CN104803568 A CN 104803568A
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Abstract
A feeding device for an oil field waste treatment system comprises a main pipe and multiple branch pipes, wherein front ends of the branch pipes are all connected with the rear end of the main pipe, and rear ends of the branch pipes are all connected with corresponding heating cavities; a main slurry pump which is a positive displacement pump is mounted on the main pipe; root valves are mounted on all of the branch pipes. The feeding device for the oil field waste treatment system adopts the positive displacement pump for pumping, materials with higher fluidity can be conveyed and distributed, and the feeding quantity can be measured, so that a proper quantity of materials are conveyed into the heating cavities, the materials are completely treated, the heat energy of a burner can be more efficiently utilized, and the treatment efficiency is improved. The materials can be constantly conveyed into the heating cavities quantitatively at a constant speed for a long time through measurement of calibration ports and regulation of branch regulation valves, the continuity of waste treatment work can be higher, and the work efficiency is further improved.
Description
Technical field
The present invention relates to oil field waste treatment technology, specifically, is a kind of feeding unit for oil field waste treatment system and method for work thereof.
Background technology
Along with country is to the increasing of the unconventional energy resource exploitation dynamics such as shale gas, the discarded oil field waste such as oil-base mud and oil-contained drilling cuttings constantly produces in a large number and accumulates, in oil-gas exploration and development is produced, it is discarded that the oil field waste such as oil-base mud and oil-contained drilling cuttings is mishandling will cause the severe contamination of water resources, soil etc., and restrict development progress, therefore the harmless treatment of the oil field waste such as oil-base mud and oil-contained drilling cuttings generally comes into one's own.
Oil field waste is mainly sent in heating chamber by feeding unit by the current treatment facility carrying out oil field waste process, heating chamber is placed in burning chamber, the high-temperature flue gas that burner in burning chamber utilizes oil and gas burning to produce and heating chamber housing component carry out convective heat exchange, oil field waste in indirect heating heating chamber, moisture contained in oil field waste and oil content are evaporated gradually, the water vapor evaporated and oil gas are carried a small amount of dust secretly and are drawn out of and carry out condensation separation and purifying treatment, recovery obtains water, oil and noncondensable gas, the solid phase residue completing pyrolysis absorption is discharged by the discharge end of heating chamber, and carry out rewetting or solidification treatment, accumulating is carried out in final discharge, complete process.
By oil field waste, the feeding unit sent in heating chamber is mainly belt or feed screw at present, floor space is larger, be not suitable for liquid more oil field waste, and transfer rate and operational throughput are difficult to control, transfer rate comparatively fast then can make material in heating chamber too much, easily cause heating material insufficient, process halfway problem; Transfer rate is then difficult to the high-temperature flue gas that efficiency utilization burner produces comparatively slowly, and efficiency of energy utilization is low.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, devise a kind of feeding unit for oil field waste treatment system and method for work thereof.
Feeding unit for oil field waste treatment system of the present invention, comprise supervisor and multiple take-off pipe, the front end of described take-off pipe is all connected with the rear end of supervisor, the rear end of described take-off pipe all connects corresponding heating chamber, described supervisor is provided with main slush pump, described main slush pump is volumetric pump, and described take-off pipe is all provided with root valve.
Preferably, described take-off pipe is all provided with branch road variable valve, branch road variable valve is positioned at the front side of described root valve, described take-off pipe is all provided with calibration tube, the front end of calibration tube is connected with take-off pipe, the tie point of calibration tube and take-off pipe, between branch road variable valve and root valve, described calibration tube is provided with calibrating valve.
Preferably, described take-off pipe is all provided with branch's slush pump, described branch's slush pump is volumetric pump, is positioned at the front side of described root valve.
Preferably, described supervisor is provided with strainer.
For a method of work for the feeding unit of oil field waste treatment system, step is as follows:
(1) open the branch road variable valve of each take-off pipe and the calibrating valve of each calibration tube, and close the root valve of each take-off pipe.
(2) utilize main slush pump to be transported in each take-off pipe by supervisor by material, and discharge from calibration tube.
(3), after each calibration tube all starts to discharge material, the inventory that each calibration tube is discharged in setting-up time is measured.
(4) regulate the branch road variable valve of each take-off pipe, the inventory that the calibration tube of each take-off pipe is discharged in setting-up time is identical.
(5) close the calibrating valve of each calibration tube, and open the root valve of each take-off pipe, material is sent in corresponding heating chamber by take-off pipe.
The invention has the beneficial effects as follows: the feeding unit for oil field waste treatment system adopts volumetric pump to carry out pumping, not only can realize the material larger to mobility carry and distribute, also can realize the metering to charging, make the inventory in feeding heating chamber moderate, not only can ensure that material process is complete, the heat energy utilization that burner also can be made to produce more efficient, improves processing efficiency.By the calibration measurement of mouth and the adjustment of branch road variable valve, quantitative constant speed in heating chamber can be kept for a long time to send into material, make offal treatment operation continuity strong, further increase working efficiency.
On supervisor, the strainer of installation filters material, filtering out impurities to a certain degree, ensures that Flow of Goods and Materials is smooth and easy, avoids mass transport speed to produce larger fluctuation, causes the material sent in heating chamber not enough or too much.
Utilize calibration tube and branch road variable valve can adjust the flow velocity of material in each take-off pipe simultaneously, make each take-off pipe can simultaneously constant speed to convey materials in respective corresponding heating chamber, improve processing operation efficiency and effect.When measuring calibration tube for regulating take-off pipe, the material can discharged calibration tube adopts Through Several Survey Measure, uses flexibility ratio high, convenient operation.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the embodiment of the present invention one;
Accompanying drawing 2 is the structural representation of the embodiment of the present invention two;
Accompanying drawing 3 is the structural representation of the embodiment of the present invention three.
Embodiment
Feeding unit for oil field waste treatment system of the present invention, as shown in Figures 1 to 3.
Embodiment one:
As shown in Figure 1, comprise supervisor 1 and multiple take-off pipe 2, the front end of described take-off pipe 2 is all connected with the rear end of supervisor 1, the rear end of described take-off pipe 2 all connects corresponding heating chamber 3, described supervisor 1 is provided with main slush pump 4, described main slush pump 4 is volumetric pump, and described take-off pipe 2 is all provided with root valve 5.
During use, first open the root valve 5 on a take-off pipe 2, the root valve 5 on other take-off pipes 2 is all closed, and main slush pump 4 works, and is pumped in respective branches pipe 2 by material by supervisor 1, is sent in corresponding heating chamber 3.
After main slush pump 4 runs one section of setting-up time T, close the root valve 5 opened, then the root valve 5 on next take-off pipe 2 is opened, material is made to be pumped in the heating chamber 3 of next take-off pipe 2 correspondence, after main slush pump 4 also runs one section of identical setting-up time T, close respective branches valve 5, then open again the root valve 5 on next take-off pipe 2, by that analogy, make each take-off pipe 2 in the heating chamber 3 of correspondence, send into the material of equivalent successively.
Because main slush pump 4 is volumetric pump, its inventory that each turns or every one stroke is carried is constant, root valve on each take-off pipe 2 opens identical setting-up time T, the inventory that each take-off pipe 2 can be made to be transported in corresponding heating chamber 3 is identical, and calculates inlet amount by the revolution of monitoring main slush pump 4 or number of strokes.
Embodiment two:
As shown in Figure 2, there is the structure identical with embodiment one, difference technical characteristic is: described take-off pipe 2 is all provided with branch road variable valve 6, branch road variable valve 6 is positioned at the front side of described root valve 5, described take-off pipe 2 all on calibration tube 7 is installed, the front end of calibration tube 7 is connected with take-off pipe 2, and the tie point of calibration tube 7 and take-off pipe 2, between branch road variable valve 6 and root valve 5, described calibration tube 7 is provided with calibrating valve 8.
During use, close the root valve 5 of each take-off pipe 2, and the branch road variable valve 6 opened on each take-off pipe 2 and calibrating valve 8, utilize main slush pump 4 to be transported in each take-off pipe 2 by supervisor 1 by material, and discharge from each calibration tube 7.After each calibration tube 7 all starts to discharge material, the inventory that each calibration tube 7 is discharged in setting-up time X is measured.Regulate the branch road variable valve 6 of each take-off pipe 2, the inventory that the calibration tube 7 of each take-off pipe 2 is discharged in setting-up time X is identical.Then close the calibrating valve 8 of each calibration tube 7, and open the root valve 5 of each take-off pipe 2, material is sent in corresponding heating chamber 3 by take-off pipe 2.Now to send into the speed of material all identical and moderate for each heating chamber 3, can ensure that material is completely processed, improve efficiency of energy utilization simultaneously.
When the material of discharging calibration tube 7 measures, the device such as container, instrument can be adopted, measure for its data such as volume, weight.
Embodiment three:
As shown in Figure 3, have the structure identical with embodiment one, difference technical characteristic is: described take-off pipe 2 is all provided with branch's slush pump 9, and described branch's slush pump 9 is also volumetric pump, is positioned at the front side of described root valve 5.
The discharge capacity of branch's slush pump 9 is all identical, and is all less than main slush pump 4.
During use, material is transported in each take-off pipe 2 by supervisor 1 by main slush pump 4, then is sent in each heating chamber 3 by product pump by the branch's slush pump 9 on each take-off pipe 2.
Because branch's slush pump 9 is volumetric pump, its inventory running that each turn or every one stroke carry is constant.In working process, when each branch's slush pump 9 runs, electric machine frequency maintains same numerical value, and the discharge capacity of main slush pump 4 will be made to mate with total soakage of each branch road slush pump.The inventory making to enter each heating chamber is identical and moderate, ensures that material is completely processed, improves efficiency of energy utilization simultaneously.
Because embodiment two and embodiment three all can realize utilizing multiple branch road to be that multiple heating chamber 3 carries out feeding simultaneously, so in embodiment two and embodiment three, supervisor 1 is provided with strainer 10, make material before entering each take-off pipe 2, filter, filtering out impurities to a certain degree, make Flow of Goods and Materials smooth and easy, each take-off pipe 2 mass transport speed is avoided to produce larger fluctuation, cause the material sent in heating chamber 3 not enough or too much, ensure that material is completely processed, improve efficiency of energy utilization simultaneously.
Claims (5)
1. the feeding unit for oil field waste treatment system, it is characterized in that, comprise supervisor (1) and multiple take-off pipe (2), the front end of described take-off pipe (2) is all connected with the rear end of supervisor (1), the rear end of described take-off pipe (2) all connects corresponding heating chamber (3), described supervisor (1) is provided with main slush pump (4), described main slush pump (4) is volumetric pump, described take-off pipe (2) is all provided with root valve (5).
2. the feeding unit for oil field waste treatment system according to claim 1, it is characterized in that, described take-off pipe (2) is all provided with branch road variable valve (6), branch road variable valve (6) is positioned at the front side of described root valve (5), described take-off pipe (2) is all provided with calibration tube (7), the front end of calibration tube (7) is connected with take-off pipe (2), the tie point of calibration tube (7) and take-off pipe (2) is positioned between branch road variable valve (6) and root valve (5), described calibration tube (7) is provided with calibrating valve (8).
3. the feeding unit for oil field waste treatment system according to claim 1, it is characterized in that, described take-off pipe (2) is all provided with branch's slush pump (9), described branch's slush pump (9) is volumetric pump, is positioned at the front side of described root valve (5).
4. want the feeding unit for oil field waste treatment system described in ball 2 or 3 according to right, it is characterized in that, described supervisor (1) is provided with strainer (10).
5. described in claim 2 for a method of work for the feeding unit of oil field waste treatment system, it is characterized in that, step is as follows:
(1) open the branch road variable valve of each take-off pipe and the calibrating valve of each calibration tube, and close the root valve of each take-off pipe;
(2) utilize main slush pump to be transported in each take-off pipe by supervisor by material, and discharge from calibration tube;
(3), after each calibration tube all starts to discharge material, the inventory that each calibration tube is discharged in setting-up time is measured;
(4) regulate the branch road variable valve of each take-off pipe, the inventory that the calibration tube of each take-off pipe is discharged in setting-up time is identical;
(5) close the calibrating valve of each calibration tube, and open the root valve of each take-off pipe, material is sent in corresponding heating chamber by take-off pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510105152.2A CN104803568B (en) | 2015-03-11 | 2015-03-11 | For the feed arrangement and its method of work of oil field waste processing system |
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| CN201510105152.2A CN104803568B (en) | 2015-03-11 | 2015-03-11 | For the feed arrangement and its method of work of oil field waste processing system |
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| CN104803568A true CN104803568A (en) | 2015-07-29 |
| CN104803568B CN104803568B (en) | 2017-06-23 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1868931A (en) * | 2006-06-06 | 2006-11-29 | 史宝荣 | Technological method and equipment for separating and purifying oil-containing mud sand |
| CN101066831A (en) * | 2007-06-05 | 2007-11-07 | 浙江大学 | Sludge storing and preheating system utilizing sludge drying tail gas afterheat |
| CN201495155U (en) * | 2009-09-09 | 2010-06-02 | 杨敬民 | Oil-contained sludge treatment device |
| CN203655610U (en) * | 2013-11-29 | 2014-06-18 | 中冶天工集团有限公司 | Fan-shaped distributor special for conveying slurry |
-
2015
- 2015-03-11 CN CN201510105152.2A patent/CN104803568B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1868931A (en) * | 2006-06-06 | 2006-11-29 | 史宝荣 | Technological method and equipment for separating and purifying oil-containing mud sand |
| CN101066831A (en) * | 2007-06-05 | 2007-11-07 | 浙江大学 | Sludge storing and preheating system utilizing sludge drying tail gas afterheat |
| CN201495155U (en) * | 2009-09-09 | 2010-06-02 | 杨敬民 | Oil-contained sludge treatment device |
| CN203655610U (en) * | 2013-11-29 | 2014-06-18 | 中冶天工集团有限公司 | Fan-shaped distributor special for conveying slurry |
Non-Patent Citations (2)
| Title |
|---|
| 化学工业部人事教育司 等: "《化工管路安装与维修》", 31 October 1997 * |
| 沈阳水泵研究所: "《泵节能产品 引进产品 新产品样本》", 28 February 1994 * |
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Effective date of registration: 20170515 Address after: 264000 Jerry Road, Laishan District, Shandong, Yantai, China, 9 Applicant after: RUIJIE ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Address before: 264003 Yantai street, Laishan District, Shandong, No. 7 AUCMA Applicant before: Jereh Energy Services Co., Ltd. |
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