CN204932999U - A kind of oil sludge and sand dewater unit and system - Google Patents
A kind of oil sludge and sand dewater unit and system Download PDFInfo
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- CN204932999U CN204932999U CN201520616819.0U CN201520616819U CN204932999U CN 204932999 U CN204932999 U CN 204932999U CN 201520616819 U CN201520616819 U CN 201520616819U CN 204932999 U CN204932999 U CN 204932999U
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Abstract
The utility model relates to a kind of oil sludge and sand dewater unit and system, comprise casing, filter, cleaning plant and drawing mechanism, wherein, the inside that described filter is arranged on casing forms filtering chamber, the lower end of filtering chamber is communicated with drawing mechanism, cleaning plant comprises scraper component, and scraper component is close to filter surface, is removed the silt particle on filter surface by the mode of moving relative to filtering chamber.Oil sludge and sand dewater unit of the present utility model power consumption is low, and does not need heat energy, initial cost and operating cost low, the oil sludge and sand convenient transportation after dehydration, is conducive to being for further processing to oil sludge and sand.The scraper component of the cleaning plant in oil sludge and sand dewater unit of the present utility model and recoiling device coordinate, efficiently solve the problem that oil sludge and sand thickness easily blocks screen pack, ensure the clean of filter surface, ensure that the filter efficiency of filter, oil sludge and sand dehydration continuous high-efficient is carried out, and extends the life-span of filter.
Description
Technical field
The utility model relates to a kind of oil sludge and sand dewater unit and system, belongs to oil sludge and sand processing technology field.
Background technology
Oil field, in Development and Production process, inevitably produces a large amount of oil sludge and sand, and oil sludge and sand generally in viscous fluid state, has the advantages that particle is tiny, grating is poor, viscosity is large, moisture content is high and not easily dewater, and is a kind of typical thick colloid.Along with deepening continuously of oil extraction, oil field mud and sand total amount constantly increases, and oil sludge and sand directly outer row can take a large amount of soil, and noxious material meeting contaminant water, soil and air that it contains, worsen ecological environment; Be directly used in re-injection and at sewage disposal system circulation time, injection water quality can be caused to decline and the service condition of sewage disposal system worsens, causing production can not anticipated losses, while bulk petroleum resource be wasted.Therefore, no matter be from environmental protection, safeguard normal production or the angle from the recovery energy, all must carry out minimizing, recycling treatment to oil field mud and sand.At present, China's oil field mud and sand adopts outdoor storing up mostly, accumulative nearly tens million of ton, and enormous amount is seriously polluted, urgently to be resolved hurrily.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 research is less, and the case that foreign technology is successfully introduced is less.
Utility model content
The purpose of this utility model is solve the technical problem existed in prior art, provides a kind of oil sludge and sand dewater unit and system.This device has that structure is simple, dewatering efficiency is high, stable and cost is low, the not advantage such as contaminated soil, water source.
In order to overcome the above problems, the technical solution of the utility model is:
A kind of oil sludge and sand dewater unit, comprise casing, filter, cleaning plant and drawing mechanism, wherein, the inside that described filter is arranged on casing forms filtering chamber, the lower end of filtering chamber is communicated with drawing mechanism, cleaning plant comprises scraper component, and scraper component is close to filter surface, is removed the silt particle on filter surface by the mode of moving relative to filtering chamber.
Preferably, described cleaning plant comprises scraper component and jackshaft, and jackshaft is arranged along the axis of filter, and each scraper plate is connected with jackshaft by connecting rod, and the angle of inclination of each scraper plate is identical with the angle of inclination of filter.Can ensure that the surface of scraper plate laminating filter is arranged like this, and scraper plate is fixed on jackshaft, makes the structure of these parts simpler.
Preferred further, described scraper component symmetry is installed, and is distributed on the differing heights of filter.Scraper plate symmetry is installed and can be made jackshaft stress balance in the process rotated, and can not produce larger vibrations.Scraper plate is distributed on differing heights, can ensure that each position of filter is all cleaned and arrive, avoid the generation of filter local stoppages.
Preferably, described filter is fixed, and described jackshaft can rotate, and the filtering chamber of filter is reverse frustoconic.Filtering chamber is the effect that reverse frustoconic can play buffering, oil sludge and sand is declined with slower speed, makes it dewater fully.
Preferably, the filtering chamber of filter is cylinder or truncated cone-shaped.
Preferably, described cleaning plant also comprises backpurge system, and described backpurge system comprises water pump and recoil tube, and recoil tube is connected with water pump, uniform some apopores on recoil tube, and recoil tube is around the outer circumference of filter or/and the axis along filter is installed.Recoil tube connects water pump, is guided in filtering chamber by flushing water and cleans filter, and coordinate with scraper plate, more effectively can remove the silt particle on filter surface, prevent the blocking of filter.
Preferred further, described recoil tube can rotate relative to described filter.Recoil tube rotates, and current can be made to produce certain tangential force, better to the flushing action of silt particle, and, if recoil tube can rotate, just can be flushed to each position of filter, make cleaning more thorough.
Preferred further, uniform some apopores on described jackshaft, and jackshaft is connected with water pump.Jackshaft, as fixed axis, is used for fixing scraper plate, is also used as recoil bar, one-object-many-purposes, and jackshaft is arranged along the axis of filter, and the distance to filter is equal, make recoil effect more even, coordinate with the recoil tube in outside, reach the cleaning performance best to filter.
Preferably, the thickness direction of described filter is divided into three layers, is inside and outsidely two-layerly screen pack, and intermediate filter layer is made up of hydrophilic oleophobic material.This filter can ensure passing through smoothly of water, and larger particles and oily matter are blocked in filter inside.
Preferred further, described screen pack is 10-80 order.Screen pack can stop that larger particles enters internal layer, prevents larger particles to the blocking of filter, and extends the service life of filter.
Preferably, described drawing mechanism is bipacking-auger drawing mechanism.This drawing mechanism structure is simple, more easily the oil sludge and sand after dehydration can be transported out, overcome the problem of oil sludge and sand poor fluidity, difficult discharging.
A kind of oil sludge and sand dewatering system, comprise the above oil sludge and sand dewater unit of two covers, wastewater treatment equipment and oil sludge and sand retracting device, often overlap oil sludge and sand dewater unit to be all connected with wastewater treatment equipment, oil sludge and sand retracting device is connected with the outlet of described oil sludge and sand dewatering system.This system can meet the requirement of a large amount of oil sludge and sand dehydration, or to the requirement that oil sludge and sand is more dewatered to plus depth.
Preferably, two the above oil sludge and sand dewater unit of cover series connection, are connected by oil sludge and sand conveying device between adjacent two cover oil sludge and sand dewater units.Series connection, can make oil sludge and sand repeatedly processed, make the moisture in oil sludge and sand lower.
Preferably, two the above oil sludge and sand dewater unit of cover are in parallel.The process that more can be applicable to a large amount of oil sludge and sand in parallel, improves the dewatering efficiency of oil sludge and sand.
Advantageous Effects of the present utility model is:
1, oil sludge and sand dewater unit of the present utility model can by the oil sludge and sand of moisture content 85 ~ 90%, dewater to oil sludge and sand moisture content lower than 60%, this process power consumption is low, and do not need heat energy, initial cost and operating cost low, oil sludge and sand convenient transportation after dehydration, is conducive to being for further processing to oil sludge and sand.
The scraper component of the cleaning plant 2, in oil sludge and sand dewater unit of the present utility model and recoiling device coordinate, make cleaning effect better, efficiently solve the problem that oil sludge and sand thickness easily blocks screen pack, ensure the clean of filter surface, and then ensure that the filter efficiency of filter, the continuous high-efficient that oil sludge and sand is dewatered carries out, and extends the service life of filter.
3, filter intermediate filter layer is hydrophilic oleophobic material, can ensure that dehydration is carried out smoothly, and can not remove the oily components in oil sludge and sand.
Accompanying drawing explanation
Fig. 1 is the front view structural representation of the utility model embodiment 1;
Fig. 2 is the right view structural representation of the utility model embodiment 1;
Fig. 3 is the top view structural representation of the utility model embodiment 1;
Fig. 4 is the structural representation of filter cross section;
Fig. 5 is the structural representation of the utility model embodiment 2.
Wherein, 1, casing, 2, filter, 3, cleaning plant, 4, drawing mechanism, 5, screen pack, 6, hydrophilic oleophobic layer, 7, scraper plate, 8, recoil tube, 9, guiding device.
Detailed description of the invention
Below in conjunction with accompanying drawing and example, the utility model is described further.
Embodiment 1
As shown in Figure 1, a kind of oil sludge and sand dewater unit, comprise casing 1, filter 2, cleaning plant 3 and drawing mechanism 4, wherein, filter 2 is fixed, described jackshaft can rotate, the inside that described filter 2 is arranged on casing 1 forms reverse frustoconic filtering chamber, and the lower end of filtering chamber is communicated with drawing mechanism 4, and cleaning plant 3 comprises scraper plate 7 assembly, filter 2 surface is close to by scraper plate 7 assembly, removed the silt particle on filter 2 surface by the mode of moving relative to filtering chamber.
Cleaning plant 3 comprises scraper plate 7 assembly and jackshaft, and jackshaft is arranged along the axis of filter 2, and each scraper plate 7 is connected with jackshaft by connecting rod, and the angle of inclination of each scraper plate 7 is identical with the angle of inclination of filter 2.Jackshaft rotarily drives scraper plate 7 and rotates, and then the silt particle on cleaning filter 2 surface.
As shown in Figures 2 and 3, scraper plate 7 assembly symmetry is installed, and is distributed on the differing heights of filter 2.
As shown in Figure 4, the thickness direction of filter 2 is divided into three layers, is inside and outsidely two-layerly screen pack 5, and intermediate filter layer is hydrophilic oleophobic layer 6.Screen pack is between 10-80 order.
Cleaning plant 3 also comprises backpurge system, and described backpurge system comprises water pump and recoil tube 8, and recoil tube 8 is connected with water pump, and uniform some apopores on recoil tube 8, recoil tube 8 is arranged on the casing 1 in the outside of filter.Recoil tube 8 can rotate relative to described filter about 2.Drawing mechanism 4 is bipacking-auger drawing mechanism.
Embodiment 2
The axis of recoil tube 8 on the casing 1 in the outside of filter 2 with along filter 2 is installed, and the recoil tube 8 axially installed along filter 2 is jackshaft, uniform some apopores on jackshaft, and jackshaft is connected with water pump.Recoil tube 8 rinses from the inner side and outer side of filter 2 filter 2 simultaneously.
Embodiment 3
As shown in Figure 5, filter 2 jackshaft is fixed, and the filtering chamber of filter 2 is cylinder or truncated cone-shaped.Drawing mechanism 4 is bipacking-auger drawing mechanism, is provided with reverse frustoconic guiding device 9 between drawing mechanism 4 and filter 2.
When the filtering chamber of filter 2 is cylinder, described scraper plate 7 can be arranged to move up and down relative to filter 2, also can be arranged to relative to filter 2 horizontal revolving motion.
Embodiment 4
A kind of oil sludge and sand dewatering system, comprise the above oil sludge and sand dewater unit of two covers, wastewater treatment equipment and oil sludge and sand retracting device, often overlap oil sludge and sand dewater unit to be all connected with wastewater treatment equipment, oil sludge and sand retracting device is connected with the outlet of described oil sludge and sand dewatering system.This system can meet the requirement of a large amount of oil sludge and sand dehydration, or to the requirement that oil sludge and sand is more dewatered to plus depth.
Two the above oil sludge and sand dewater unit of cover series connection, are connected by oil sludge and sand conveying device between adjacent two cover oil sludge and sand dewater units.Series connection, can make oil sludge and sand repeatedly processed, make the moisture in oil sludge and sand lower.
Embodiment 5
Two the above oil sludge and sand dewater unit of cover are in parallel.The process that more can be applicable to a large amount of oil sludge and sand in parallel, improves the dewatering efficiency of oil sludge and sand.
The course of work of the present utility model is:
After the oil sludge and sand of moisture content 85 ~ 90% enters casing 1 by feeding device, in casing 1, moisture is oozed out by the filter 2 containing hydrophilic oleophobic layer 6, the water removed drains into sewage disposal system by discharge outlet, oil sludge and sand after dehydration discharges system by drawing mechanism 4, and the oil sludge and sand moisture content after dehydration can to less than 60%.In oil sludge and sand dehydration, having silt particle constantly covers on screen pack 5, reduces the efficiency of filter 2, therefore needs the scraper plate 7 of cleaning system 3 constantly to clear up filter 2 inner surface, to improve dewatering efficiency, the scraper plate 7 of cleaning plant 2 passes through driven by motor.On the other hand, in order to extend the service life of filter, the utility model is also provided with the recoil cleaning system 8 of filter 2, regularly carries out backflush process to filter, the silt particle that cleaning and filtering material is piled up, carries out regeneration process to filter 2.
Whole dehydration is physics dehydration, does not need heating power consumption.The scraper plate 7 of cleaning plant 2 and backpurge system with the use of, efficiently solve the problem that oil sludge and sand thickness easily blocks screen pack, can ensure that filter uses for a long time, efficiently.
By reference to the accompanying drawings detailed description of the invention of the present utility model is described although above-mentioned; but the restriction not to utility model protection scope; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still in protection domain of the present utility model.
Claims (10)
1. an oil sludge and sand dewater unit, it is characterized in that: comprise casing, filter, cleaning plant and drawing mechanism, wherein, the inside that described filter is arranged on casing forms filtering chamber, the lower end of filtering chamber is communicated with drawing mechanism, cleaning plant comprises scraper component, and scraper component is close to filter surface, is removed the silt particle on filter surface by the mode of moving relative to filtering chamber.
2. oil sludge and sand dewater unit according to claim 1, it is characterized in that: described cleaning plant comprises scraper component and jackshaft, jackshaft is arranged along the axis of filter, each scraper plate is connected with jackshaft by connecting rod, the angle of inclination of each scraper plate is identical with the angle of inclination of filter, scraper component symmetry is installed, and is distributed on the differing heights of filter.
3. oil sludge and sand dewater unit according to claim 2, it is characterized in that: described filter is fixed, described jackshaft can rotate, and the filtering chamber of filter is reverse frustoconic.
4. oil sludge and sand dewater unit according to claim 2, is characterized in that: the filtering chamber of described filter is cylinder or truncated cone-shaped.
5. the oil sludge and sand dewater unit according to claim 3 or 4, it is characterized in that: described cleaning plant also comprises backpurge system, described backpurge system comprises water pump and recoil tube, recoil tube is connected with water pump, uniform some apopores on recoil tube, recoil tube is around the outer circumference of filter or/and the axis along filter is installed.
6. oil sludge and sand dewater unit according to claim 5, is characterized in that: uniform some apopores on described jackshaft, and jackshaft is connected with water pump.
7. oil sludge and sand dewater unit according to claim 1, is characterized in that: the thickness direction of described filter is divided into three layers, is inside and outsidely two-layerly screen pack, and intermediate filter layer is made up of hydrophilic oleophobic material.
8. an oil sludge and sand dewatering system, comprise more than two covers oil sludge and sand dewater unit according to claim 1, wastewater treatment equipment and oil sludge and sand retracting device, often overlap oil sludge and sand dewater unit to be all connected with wastewater treatment equipment, oil sludge and sand retracting device is connected with the outlet of described oil sludge and sand dewatering system.
9. oil sludge and sand dewatering system according to claim 8, is characterized in that: two the above oil sludge and sand dewater unit of cover series connection, is connected between adjacent two cover oil sludge and sand dewater units by oil sludge and sand conveying device.
10. oil sludge and sand dewatering system according to claim 8, is characterized in that: two the above oil sludge and sand dewater unit of cover are in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520616819.0U CN204932999U (en) | 2015-08-14 | 2015-08-14 | A kind of oil sludge and sand dewater unit and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520616819.0U CN204932999U (en) | 2015-08-14 | 2015-08-14 | A kind of oil sludge and sand dewater unit and system |
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| CN204932999U true CN204932999U (en) | 2016-01-06 |
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| CN201520616819.0U Active CN204932999U (en) | 2015-08-14 | 2015-08-14 | A kind of oil sludge and sand dewater unit and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109351018A (en) * | 2018-12-12 | 2019-02-19 | 湖南万通科技股份有限公司 | A kind of filter device and drainage bin |
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2015
- 2015-08-14 CN CN201520616819.0U patent/CN204932999U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109351018A (en) * | 2018-12-12 | 2019-02-19 | 湖南万通科技股份有限公司 | A kind of filter device and drainage bin |
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