CN105174682A - Oil sand dewatering device - Google Patents
Oil sand dewatering device Download PDFInfo
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- CN105174682A CN105174682A CN201510676924.8A CN201510676924A CN105174682A CN 105174682 A CN105174682 A CN 105174682A CN 201510676924 A CN201510676924 A CN 201510676924A CN 105174682 A CN105174682 A CN 105174682A
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Abstract
The invention discloses an oil sand dewatering device which comprises a box body, a rotary drum and a water drawing device, wherein the rotary drum is horizontally mounted in the box body; the rotary drum and the box body are hermitically arranged; the water drawing device is fixed on the inner side of the rotary drum, and is communicated with the exterior of the box body; the rotary drum is provided with a hydrophilic and oleophobic filtering layer; the hydrophilic and oleophobic filtering layer of the rotary drum drains water in oil sand in the box body into the rotary drum; in a process that the rotary drum rotates, the water drawing device exports water out of the box body after collecting the water in the rotary drum; the dewatered oil sand is discharged from a pipeline below the box body. The oil sand dewatering device disclosed by the invention is simple in structure, does not need heat consumption, and is low in energy consumption and steady in operation; the dewatering problem of the oil sand is easily and efficiently solved; the rotary drum is provided with the hydrophilic and oleophobic filtering layer, so that the water in the oil sand can be drained into the rotary drum, and is discharged out of the box body through the water drawing device; therefore, the water in the oil sand can be effectively removed.
Description
Technical field
The present invention relates to a kind of oil sludge and sand dewatering unit, belong to oil sludge and sand processing technology field.
Background technology
Petroleum chemical enterprise can produce a large amount of oil sludge and sand in process of production, and oil sludge and sand generally in viscous fluid state, has the advantages that particle is tiny, grating is poor, viscosity is large, water ratio is high and not easily dewater, and is a kind of typical thick colloid.Hydrocarbons contained by oil sludge and sand is comparatively large to environmental hazard, is put into the oily waste (HW08 item) in " National Hazard refuse catalogue " at present.The each elephant in the present whole nation has a large amount of oil sludge and sand to produce every year in process of production, and the oil sludge and sand generation that only Shengli Oil Field is annual is just at about 400,000 tons.Oil sludge and sand directly outer row can take a large amount of soil, and toxic substance meeting polluted water, soil and air that it contains, worsen ecotope; Be directly used in re-injection and at Sewage treatment systems circulation time, injection water quality can be caused to decline and the operational conditions of Sewage treatment systems worsens, causing production can not anticipated losses, while bulk petroleum resource be wasted.Therefore, no matter be from environment protection, safeguard normal production or consider from the angle reclaiming the energy, all must dehydrate oil field mud and sand, be convenient to the resource utilization of oil sludge and sand, harmless treatment.China owing to starting late in oil field environment-protection, and the process of oily sludge does not obtain enough attention, and domestic this respect technical study is less, and the case that foreign technology is successfully introduced is less.
Summary of the invention
The object of the invention is to, in order to solve the technical problem existed in prior art, provide a kind of oil sludge and sand dewatering unit.
To achieve these goals, the present invention adopts following technical scheme:
A kind of oil sludge and sand dewatering unit, comprise casing, rotating cylinder and water drawing device, rotating cylinder level is arranged on the inside of casing, and between rotating cylinder and casing, sealing is arranged, and water drawing device is fixed on the inner side of rotating cylinder, water drawing device and casing ft connection; Described rotating cylinder arranges hydrophilic oleophobic filtering layer; Water drop in oil sludge and sand in casing is entered rotating cylinder inside by the hydrophilic oleophobic filtering layer of rotating cylinder, and in drum rotation process, water drawing device is derived outside casing after being collected by the water of rotating cylinder inside, and the oil sludge and sand after dehydration is discharged by the pipeline below casing.
Preferably, described rotating cylinder through-thickness sets gradually internal layer filtering net, the hydrophilic oleophobic filtering layer in middle layer and outer filter net.Solid particulate in oil sludge and sand can be blocked in the outside of rotating cylinder by internal layer and outer field filtering net, only allows water to pass through, not only increases the work-ing life of hydrophilic oleophobic filtering layer, can also avoid the blocking of water drawing device.
Preferred further, described middle layer hydrophilic oleophobic filtering layer is made up of hydrophilic oleophobic fibers.
Preferably, described oil sludge and sand dewatering unit also comprises drawing mechanism, and drawing mechanism is arranged on the outside of rotating cylinder, and in the rotation process of rotating cylinder, the oil sludge and sand be bonded at outside rotating cylinder is scraped in drawing mechanism.The oil sludge and sand sticking to rotating cylinder outside surface can be wiped off, discharge by this drawing mechanism, alleviates the load of rotating cylinder on the one hand, improves the dewatering efficiency of oil sludge and sand on the other hand.
Preferably, described drawing mechanism comprises scraper plate and discharging bin, inclination is arranged on the side of discharging bin, the lower end of scraper plate connects discharging bin, the upper end of scraper plate is fitted in described drum surface and arranges, in the rotation process of rotating cylinder, the oil sludge and sand being bonded at rotating cylinder outside surface is wiped off by scraper plate, and delivery is in discharging bin.Oil sludge and sand on rotating cylinder can be wiped off by the scraper plate be obliquely installed, and the oil sludge and sand after dehydration is imported in discharging bin, and scraper plate can remove the oil sludge and sand sticked on rotating cylinder more up hill and dale.
Preferably, described drawing mechanism is discharging bin, and the outside surface of one end sidewall laminating rotating cylinder of described discharging bin is arranged, and the oil sludge and sand being bonded at rotating cylinder outside surface is directly scraped in discharging bin by discharging bin.Discharging bin serves the effect of the oil sludge and sand of rotating cylinder outside surface being wiped off collection simultaneously, simplifies the structure of device.
Preferably, described water drawing device comprises water collecting device and conduit, and the opening of water collecting device is arranged along the turning direction of rotating cylinder, and water collecting device is by conduit and casing ft connection.Water in rotating cylinder can collect by water collecting device, and when rotating cylinder forwards certain altitude to, the water in water collecting device can derive casing outside by conduit, ensure that the promptness that in rotating cylinder, water is discharged.
Preferred further, the face that described water drawing device contacts with rotating cylinder is the cambered surface of fitting with rotating cylinder inwall.Cambered surface can ensure that water drawing device and rotating cylinder inwall are fitted and arrange, and water drawing device is along with in the process of drum rotation, and the water that drop can be entered rotating cylinder inside more fully collects, and is derived outside casing by conduit.
Preferably, described rotating cylinder is arranged in casing by rotating shaft, and described rotating shaft is hollow, and described water drawing device is communicated with rotating shaft, after the water in rotating cylinder is collected by water drawing device, the rotating shaft of water by hollow is derived outside casing.
A kind of oil sludge and sand dewatering system, described oil sludge and sand dewatering system is connected or/and be formed in parallel by several above-mentioned oil sludge and sand dewatering units, is connected with transferpump between two oil sludge and sand dewatering units of series connection mutually.Oil sludge and sand dewatering unit in parallel can process a large amount of high-moisture percentage oil sludge and sand simultaneously, and the oil sludge and sand dewatering unit of series connection repeatedly can dewater to oil sludge and sand, makes the water-content in the oil sludge and sand after dehydration up to standard.
Principle of work of the present invention is as follows:
The oil sludge and sand of high-moisture percentage enters in casing by feeding device, moisture in oil sludge and sand enters inner barrel by the cylindrical shell filtering layer draining rotating cylinder, and oil content in oil sludge and sand and silt particle be not by the filtering layer of rotating cylinder, be blocked in casing, after moisture enters inner barrel, certain liquid level can be formed in cylindrical shell, when water drawing device turns to bottom, water is loaded in water drawing device, along with the rotation of rotating cylinder, the hollow rotating shaft that water flow to rotating cylinder is inner, is discharged by the water port of axle head or is directly discharged by conduit.Along with moisture is constantly discharged, oil sludge and sand water ratio constantly reduces.When oil sludge and sand water ratio is reduced to a certain degree, draining in drum rotation process, oil sludge and sand in casing can be bonded on cylinder body outer wall, along with barrel body rotation, the oil sludge and sand moisture be bonded on cylinder body outer wall is separated out, and flow into inner barrel, oil sludge and sand water ratio reduces, the cleaning of the oil sludge and sand of low-water-content to leaving cylinder body outer wall, is collected by discharge system by screeding device.Oil sludge and sand moisture in casing is constantly separated out, and water ratio constantly reduces, and moisture is reduced to a certain degree is discharged by discharge system afterwards.
Advantageous Effects of the present invention is:
1, oil sludge and sand dewatering unit structure of the present invention is simple, and do not need heating power consumption, energy consumption is low, stable, solves the dehydration problem of oil sludge and sand simply, efficiently;
2, the rotating cylinder in the present invention arranges hydrophilic oleophobic layer, the water drop in oil sludge and sand can be entered in rotating cylinder, and is discharged outside casing by water drawing device, ensure that effective removal of water in oil sludge and sand;
3, the oil sludge and sand sticking to rotating cylinder outside surface can be wiped off, discharge by drawing mechanism of the present invention, alleviates the load of rotating cylinder on the one hand, improves the dewatering efficiency of oil sludge and sand on the other hand.
Accompanying drawing explanation
Fig. 1 is the oil sludge and sand dewatering unit structural representation of embodiment 1;
Fig. 2 is water drawing device structural representation;
Fig. 3 is the oil sludge and sand dewatering unit structural representation of embodiment 2;
Fig. 4 is the oil sludge and sand dewatering unit structural representation of embodiment 3.
Wherein, 1, casing, 2, rotating cylinder, 3, scraper plate, 4, discharging bin, 5, pipeline, 6, rotating shaft, 7, water drawing device, 8, collection device, 9, conduit.
Embodiment
Below in conjunction with accompanying drawing and example, the present invention will be further described.
Embodiment 1
As shown in Figure 1, a kind of oil sludge and sand dewatering unit, comprises casing 1, rotating cylinder 2 and water drawing device 7, rotating cylinder 2 level is arranged on the inside of casing 1, between rotating cylinder 2 and casing 1, sealing is arranged, and water drawing device 7 is fixed on the inner side barrel of rotating cylinder 2, water drawing device 7 and casing 1 ft connection; Described rotating cylinder 2 arranges hydrophilic oleophobic filtering layer; Water drop in oil sludge and sand in casing 1 is entered rotating cylinder 2 inside by the hydrophilic oleophobic filtering layer of rotating cylinder 2, and in rotating cylinder 2 rotation process, water drawing device 7 is derived outside casing 1 after being collected by the water of rotating cylinder 2 inside, and the oil sludge and sand after dehydration is discharged by the pipeline 5 below casing 1.
Structure for casing is not restricted, what shape, as long as can requirement be reached, as square body, and cylinder, centrum etc.
Rotating cylinder 2 both can be unsettled in casing 1, also can be fitted in casing 1 bottom surface on arrange.
Described rotating cylinder 2 through-thickness sets gradually internal layer filtering net, the hydrophilic oleophobic filtering layer in middle layer and outer filter net.Middle layer hydrophilic oleophobic filtering layer is made up of hydrophilic oleophobic fibers, also can be made up of other hydrophilic oleophobic material.
As shown in Figure 2, water drawing device 7 comprises water collecting device 8 and conduit 9, and the opening of water collecting device is arranged along the turning direction of rotating cylinder 2, and water collecting device is by conduit 8 and casing 1 ft connection.The face that water drawing device 7 contacts with rotating cylinder 2 is the cambered surface of fitting with rotating cylinder 2 inwall.
The oil sludge and sand of high-moisture percentage enters in casing 1 by feeding device, moisture in oil sludge and sand enters rotating cylinder 2 inside by the filtering layer of rotating cylinder 2, and oil content in oil sludge and sand and silt particle be not by the filtering layer of rotating cylinder 2, be blocked in casing 1, after moisture enters rotating cylinder 2 inside, certain liquid level can be formed in rotating cylinder 2.When water drawing device 7 turns to bottom, loaded by water in water drawing device 7, along with the rotation of rotating cylinder 2, the hollow rotating shaft 6 that water flow to rotating cylinder 2 by the conduit 8 of water drawing device 7 is inner, is discharged by the water port of rotating shaft 6 axle head.After oil sludge and sand dehydration, the oil sludge and sand after dehydration is discharged by the pipeline 5 below casing 1.
Embodiment 2
As shown in Figure 3, described oil sludge and sand dewatering unit also comprises drawing mechanism, and drawing mechanism is arranged on the outside of rotating cylinder 2, and rotating cylinder 2 is in the process of rotating, and the oil sludge and sand be bonded at outside rotating cylinder 2 is scraped in drawing mechanism.
Drawing mechanism can be designed as and comprises scraper plate 3 and discharging bin 4, scraper plate 3 is inclined and mounted on the side of discharging bin 4, the lower end of scraper plate 3 connects discharging bin 4, the upper end of scraper plate 3 is fitted in the outside surface of rotating cylinder 2, the both sides, front and back of scraper plate are provided with the baffle plate for preventing oil sludge and sand from leaking, in the rotation process of rotating cylinder 2, the oil sludge and sand being bonded at rotating cylinder 2 outside surface is wiped off by scraper plate 3, and delivery is in discharging bin 4.
Embodiment 3
Rotating cylinder 2 is arranged in casing 1 by rotating shaft 6, and rotating shaft 6 is hollow, and water drawing device 7 is communicated with rotating shaft 6, and the rotating shaft 6 of water by hollow is derived outside casing 1 after being collected by the water in rotating cylinder 2 by water drawing device 7.The water out end of rotating shaft 6 can be provided with apparatus for recovering, is recycled by the water of derivation.
As shown in Figure 4, drawing mechanism also can be designed as only has discharging bin 4, the outside surface of one end sidewall laminating rotating cylinder 2 of described discharging bin 4 is arranged, former and later two sides of discharging bin 4 are provided with the baffle plate for preventing oil sludge and sand from leaking, the oil sludge and sand being bonded at rotating cylinder 2 outside surface is directly scraped in discharging bin 4 by discharging bin 4.Discharging bin 4 serves the effect of the oil sludge and sand of rotating cylinder 2 outside surface being wiped off collection simultaneously, simplifies the structure of device.
Embodiment 4
A kind of oil sludge and sand dewatering system, this oil sludge and sand dewatering system is in series by several above-mentioned oil sludge and sand dewatering units, is connected with transferpump between two oil sludge and sand dewatering units of series connection mutually.This oil sludge and sand dewatering system or be formed in parallel by several above-mentioned oil sludge and sand dewatering units.Oil sludge and sand after upper oil sludge and sand dewatering unit dehydration can be transported to next dewatering unit and dewater further by transferpump, improves the dehydration rate of oil sludge and sand.
Working process of the present invention is:
The oil sludge and sand of high-moisture percentage enters in casing 1 by feeding device, moisture in oil sludge and sand enters rotating cylinder 2 inside by the filtering layer of rotating cylinder 2, and oil content in oil sludge and sand and silt particle be not by the filtering layer of rotating cylinder 2, be blocked in casing 1, after moisture enters rotating cylinder 2 inside, certain liquid level can be formed in rotating cylinder 2.When water drawing device 7 turns to bottom, loaded by water in water drawing device 7, along with the rotation of rotating cylinder 2, the hollow rotating shaft 6 that water flow to rotating cylinder 2 by the conduit 8 of water drawing device 7 is inner, is discharged by the water port of rotating shaft 6 axle head.Along with moisture is constantly discharged, oil sludge and sand water ratio constantly reduces.When oil sludge and sand water ratio is reduced to a certain degree, draining in rotating cylinder 2 rotation process, oil sludge and sand in casing 1 can be bonded on rotating cylinder 2 outer wall, along with rotating cylinder 2 constantly rotates, the oil sludge and sand moisture be bonded on rotating cylinder 2 outer wall is separated out, water ratio reduces, and the oil sludge and sand of low-water-content cleans out from rotating cylinder 2 outer wall by scraper plate 3, is collected by discharge system 1.Oil sludge and sand moisture in casing 1 is constantly separated out, and water ratio constantly reduces, and moisture is reduced to a certain degree to be collected by discharge system 2 afterwards.
The whole dehydration of this device is physics dehydration, does not need heating power consumption.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but the restriction not to invention protection domain; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still in protection scope of the present invention.
Claims (10)
1. an oil sludge and sand dewatering unit, is characterized in that: comprise casing, rotating cylinder and water drawing device, and rotating cylinder level is arranged on the inside of casing, and between rotating cylinder and casing, sealing is arranged, and water drawing device is fixed on the inner side of rotating cylinder, water drawing device and casing ft connection; Described rotating cylinder arranges hydrophilic oleophobic filtering layer; Water drop in oil sludge and sand in casing is entered rotating cylinder inside by the hydrophilic oleophobic filtering layer of rotating cylinder, and in drum rotation process, water drawing device is derived outside casing after being collected by the water of rotating cylinder inside, and the oil sludge and sand after dehydration is discharged by the pipeline below casing.
2. oil sludge and sand dewatering unit according to claim 1, is characterized in that: described rotating cylinder through-thickness sets gradually internal layer filtering net, the hydrophilic oleophobic filtering layer in middle layer and outer filter net.
3. oil sludge and sand dewatering unit according to claim 2, is characterized in that: described middle layer hydrophilic oleophobic filtering layer is made up of hydrophilic oleophobic fibers.
4. oil sludge and sand dewatering unit according to claim 1, it is characterized in that: described oil sludge and sand dewatering unit also comprises drawing mechanism, drawing mechanism is arranged on the outside of rotating cylinder, and in the rotation process of rotating cylinder, the oil sludge and sand be bonded at outside rotating cylinder is scraped in drawing mechanism.
5. oil sludge and sand dewatering unit according to claim 4, it is characterized in that: described drawing mechanism comprises scraper plate and discharging bin, inclination is arranged on the side of discharging bin, the lower end of scraper plate connects discharging bin, the upper end of scraper plate is fitted in described drum surface and arranges, in the rotation process of rotating cylinder, the oil sludge and sand being bonded at rotating cylinder outside surface is wiped off by scraper plate, and delivery is in discharging bin.
6. oil sludge and sand dewatering unit according to claim 4, is characterized in that: described drawing mechanism is discharging bin, and the outside surface of one end sidewall laminating rotating cylinder of described discharging bin is arranged, and the oil sludge and sand being bonded at rotating cylinder outside surface is directly scraped in discharging bin by discharging bin.
7. oil sludge and sand dewatering unit according to claim 1, is characterized in that: described water drawing device comprises water collecting device and conduit, and the opening of water collecting device is arranged along the turning direction of rotating cylinder, and water collecting device is by conduit and casing ft connection.
8. oil sludge and sand dewatering unit according to claim 7, is characterized in that: the face that described water drawing device contacts with rotating cylinder is the cambered surface of fitting with rotating cylinder inwall.
9. oil sludge and sand dewatering unit according to claim 1, it is characterized in that: described rotating cylinder is arranged in casing by rotating shaft, described rotating shaft is hollow, and described water drawing device is communicated with rotating shaft, after water in rotating cylinder is collected by water drawing device, the rotating shaft of water by hollow is derived outside casing.
10. an oil sludge and sand dewatering system, is characterized in that: described oil sludge and sand dewatering system is connected or/and be formed in parallel by the arbitrary described oil sludge and sand dewatering unit of several claim 1-9, is connected with transferpump between two oil sludge and sand dewatering units of series connection mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510676924.8A CN105174682B (en) | 2015-10-16 | 2015-10-16 | A kind of oil sludge and sand dehydration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510676924.8A CN105174682B (en) | 2015-10-16 | 2015-10-16 | A kind of oil sludge and sand dehydration device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105174682A true CN105174682A (en) | 2015-12-23 |
| CN105174682B CN105174682B (en) | 2017-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510676924.8A Active CN105174682B (en) | 2015-10-16 | 2015-10-16 | A kind of oil sludge and sand dehydration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110746075A (en) * | 2019-09-20 | 2020-02-04 | 中铁建工集团有限公司 | Building site builds with ground and uses silt processing apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2388993Y (en) * | 1999-08-17 | 2000-07-26 | 朱文鑫 | Rotary drum type hair and oil filter machine |
| JP2003236306A (en) * | 2002-02-12 | 2003-08-26 | Hisao Izumi | Oil-water separation filter apparatus with fouling removal |
| CN1853756A (en) * | 2005-04-18 | 2006-11-01 | 同济大学 | Filter |
| CN205076968U (en) * | 2015-10-16 | 2016-03-09 | 山东天力干燥股份有限公司 | Fatlute sand dewatering device |
-
2015
- 2015-10-16 CN CN201510676924.8A patent/CN105174682B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2388993Y (en) * | 1999-08-17 | 2000-07-26 | 朱文鑫 | Rotary drum type hair and oil filter machine |
| JP2003236306A (en) * | 2002-02-12 | 2003-08-26 | Hisao Izumi | Oil-water separation filter apparatus with fouling removal |
| CN1853756A (en) * | 2005-04-18 | 2006-11-01 | 同济大学 | Filter |
| CN205076968U (en) * | 2015-10-16 | 2016-03-09 | 山东天力干燥股份有限公司 | Fatlute sand dewatering device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110746075A (en) * | 2019-09-20 | 2020-02-04 | 中铁建工集团有限公司 | Building site builds with ground and uses silt processing apparatus |
| CN110746075B (en) * | 2019-09-20 | 2021-11-19 | 中铁建工集团有限公司 | Building site builds with ground and uses silt processing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105174682B (en) | 2017-09-29 |
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Address after: 250000 Shandong city of Ji'nan province high tech Zone Shun Road No. 2000 Shun Tai Plaza No. 2 building 15 room 1501 Applicant after: Shandong Tianli energy Limited by Share Ltd Address before: 250101 Shandong city of Ji'nan province high tech Zone Shun Road No. 2000 Shun Tai Plaza No. 2 building 15 room 1501 Applicant before: Shandong Tianli Drying Co., Ltd. |
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