CN211814056U - Oil field oiliness mud decrement processing apparatus - Google Patents
Oil field oiliness mud decrement processing apparatus Download PDFInfo
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- CN211814056U CN211814056U CN202020381113.1U CN202020381113U CN211814056U CN 211814056 U CN211814056 U CN 211814056U CN 202020381113 U CN202020381113 U CN 202020381113U CN 211814056 U CN211814056 U CN 211814056U
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Abstract
The utility model discloses an oil field oily sludge reduction treatment device, which comprises an oil sludge pool, a vibrating screen, a crusher, a conveyor belt, a first centrifugal machine, a second centrifugal machine, a three-way joint a, a three-way joint b, a stirring tank, a dosing tank and a filter press; separating the oil sludge into liquid oil sludge and blocky oil sludge by a vibrating screen, wherein the blocky oil sludge is crushed and centrifugally treated, and the liquid oil sludge separated by centrifugal treatment and the liquid oil sludge screened by the vibrating screen enter a stirring tank together for homogenization, so that the recovery rate of the dirty oil in the oil sludge can be improved and the yield of slag materials in the oil sludge can be reduced; the homogenized liquid oil sludge is filter-pressed by a filter press to form a sludge cake, the sludge cake is dried in the sun to form powder, so that a large amount of reduction treatment is carried out on the oil sludge in the oil sludge pool, in addition, oil-water mixed liquid subjected to pressure filtration is centrifugally separated into clear liquid and dirty oil, the dirty oil is discharged, collected and treated in a centralized manner, and the clear liquid is added into water to be used as a solvent of a dosing tank, so that the aim of water-saving treatment is fulfilled.
Description
Technical Field
The utility model relates to a technical field is equipped to the oil, concretely relates to oiliness mud decrement processing apparatus in oil field.
Background
A large amount of oil sludge is generated in oil exploration, exploitation and refining production, the oil sludge is generally stored in a fixed collecting pond, and a third party company needs to be regularly entrusted with reduction treatment because the oil sludge yield is very large;
at present, the treatment of oil sludge is mainly carried out by using a vibrating screen and a centrifugal machine, firstly, the oil sludge is screened, and then the liquid oil sludge with fluidity is screened out to be centrifugally treated into oil sludge with high oil stain and oil sludge with high concentration, however, the final oil sludge yield is very high, so that the reduction effect of the treated oil sludge is not ideal, the oil sludge still needs to be placed in an oil sludge pool to be collected, the oil sludge pool is occupied, a large amount of oil enriched in the oil sludge is not reasonably separated and collected, in addition, the whole treatment process needs to be blended with a large amount of ionized water to be homogenized due to poor oil sludge fluidity, and the water content in the finally centrifuged oil stain is very high, so that an inventor wants to design a high-efficiency reduction treatment device which can save water and improve the oil yield during the treatment.
Disclosure of Invention
The utility model aims at providing an oil field oiliness mud decrement processing apparatus to the defect that prior art exists, its is rational in infrastructure, can carry out efficient decrement processing to fatlute to can also reach the purpose of water conservation in handling.
The technical scheme of the utility model is that: an oil field oily sludge reduction treatment device comprises an oil sludge pool, a vibrating screen, a crusher, a conveyor belt, a first centrifugal machine, a second centrifugal machine, a three-way joint a, a three-way joint b, a stirring tank, a medicine adding tank and a filter press;
the vibrating screen is provided with a feeding hole, a slag hole and a liquid outlet, a conveying mechanism is arranged between the feeding hole of the vibrating screen and the oil sludge pool, the liquid outlet of the vibrating screen is communicated with a first path interface of the three-way joint a through a pipeline, the crusher is provided with a feeding hole and a discharging hole, and the feeding hole of the crusher and the slag hole of the vibrating screen are conveyed through a conveying belt;
the first centrifugal machine and the second centrifugal machine are respectively provided with a feed inlet, a first outlet and a second outlet, the feed inlet of the first centrifugal machine is communicated with the discharge outlet of the pulverizer through a pipeline, the pipeline is also connected with a first slurry pump, and the first outlet of the first centrifugal machine is communicated with the second channel port of the three-way joint a through a pipeline;
the mixing tank is provided with a feed inlet, a discharge outlet and a dosing port, the feed inlet of the mixing tank is communicated with a third path interface of the three-way joint a through a pipeline, the pipeline is also connected with a second slurry pump, the dosing tank is provided with a liquid inlet and a liquid outlet, the liquid outlet of the dosing tank is communicated with the dosing port of the mixing tank through a pipeline, the liquid inlet of the dosing tank is communicated with a first path interface of the three-way joint b through a pipeline, and a second path interface of the three-way joint b is communicated with the ionic water pipe network through a pipeline;
the filter press is provided with a feed inlet, a slag outlet and a liquid outlet, the feed inlet of the filter press is communicated with the discharge outlet of the stirring tank through a pipeline, the liquid outlet of the filter press is communicated with the feed inlet of the second centrifugal machine through a pipeline, and is further connected with a third slurry pump, the first outlet of the second centrifugal machine is communicated with the third path interface of the three-way joint b through a pipeline, and the pipeline is further connected with a power pump.
Preferably, the conveying mechanism is a crane grab bucket, a hoist grab bucket or a loader.
Preferably, a first buffer tank is connected to a pipeline between the filter press and the second centrifuge.
Preferably, a second buffer tank is further connected to a pipeline between the second centrifuge and the tee joint b.
Preferably, the second buffer tank is further provided with a dosing port for adding alkali liquor or acid liquor.
Preferably, a steam cover is fixedly installed on a screen of the vibrating screen, a coil pipe is fixed on the inner top surface of the steam cover, the inlet end of the coil pipe extends out of the steam cover and is communicated with the steam pipe net through a pipeline, and the outlet end of the coil pipe is provided with a plurality of air outlet holes in the pipe wall.
Preferably, the pipe connected between the coil pipe and the steam pipeline is a metal corrugated hose.
Compared with the prior art, the utility model, have following advantage:
1. the utility model discloses a shale shaker separates into liquid fatlute and cubic fatlute with fatlute, and wherein cubic fatlute is smashed and centrifugal treatment, and the liquid fatlute that separates out through centrifugal treatment and the liquid fatlute of shale shaker sieve separation together get into the agitator tank homogeneity to can improve the rate of recovery of sump oil in the fatlute and reduce the output of slag charge in the fatlute.
2. The homogenized liquid oil sludge is subjected to filter pressing by a filter press to form a sludge cake, the sludge cake is dried in the air to form powder, so that a large amount of reduction treatment is carried out on the oil sludge in the oil sludge pool, in addition, oil-water mixed liquid subjected to pressure filtration is subjected to centrifugal separation to form clear liquid and dirty oil, the dirty oil is discharged, collected and subjected to centralized treatment, the clear liquid is added into the ionized water to be used as a solvent of a medicine adding tank, wherein the volume ratio of the ionized water to the clear liquid is 7:3, and the mixed solvent in the ratio can be used for completely dissolving medicines and saving the using amount of the ionized water by.
3. Through increasing steam cover and coil pipe, can produce the steam air sweep at the fatlute on the screen cloth of shale shaker, can increase the mobility of fatlute to further improve the efficiency of screening.
Drawings
Fig. 1 is a schematic connection diagram of the present invention;
FIG. 2 is a schematic view of a steam hood mounted on top of a shaker;
in the figure: 1. the oil sludge tank, 2, a conveying mechanism, 3, a vibrating screen, 4, a conveying belt, 5, a pulverizer, 6, a first slurry pump, 7, a first centrifugal machine, 8, a tee joint a, 9, a second slurry pump, 10, a stirring tank, 11, a dosing tank, 12, a tee joint b, 13, a power pump, 14, a second buffer tank, 15, a second centrifugal machine, 16, a third slurry pump, 17, a first buffer tank, 18, a filter press, 19, a screen mesh, 20, a steam cover, 21, a coil pipe, 22, an air outlet, 23 and an inlet.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1
Referring to fig. 1, the oil field oily sludge reduction treatment device comprises an oil sludge pool 1, a vibrating screen 3, a crusher 5, a conveyor belt 4, a first centrifugal machine 7, a second centrifugal machine 15, a three-way joint a8, a three-way joint b12, a stirring tank 10, a dosing tank 11 and a filter press 18;
the vibrating screen 3 is provided with a feeding hole, a slag hole and a liquid outlet, a conveying mechanism 2 is arranged between the feeding hole of the vibrating screen 3 and the oil sludge pool 1, and the conveying mechanism 2 is one or more of a crane grab bucket, a hoist grab bucket or a loader.
The liquid outlet of shale shaker 3 passes through the pipeline intercommunication with three way connection a 8's first interface all the way, is equipped with feed inlet and discharge gate on the rubbing crusher 5, carries through conveyer belt 4 between the feed inlet of rubbing crusher 5 and the slag notch of shale shaker 3.
The first centrifugal machine 7 and the second centrifugal machine 15 are respectively provided with a feeding hole, a first outlet and a second outlet, wherein the feeding hole of the first centrifugal machine 7 is communicated with the discharging hole of the pulverizer 5 through a pipeline, the pipeline is further connected with a first slurry pump 6, the first outlet of the first centrifugal machine 7 is communicated with the second channel of the tee joint a8 through a pipeline, and the second outlet of the first centrifugal machine 7 is used for discharging the centrifuged slag.
Be equipped with the feed inlet on agitator tank 10, discharge gate and dosing mouth, the feed inlet of agitator tank 10 passes through the pipeline intercommunication with three way connection a 8's third route interface, and still be connected with second thick liquids pump 9 on the pipeline, be equipped with inlet and liquid outlet on dosing tank 11, dosing tank 11's liquid outlet passes through the pipeline intercommunication with dosing mouth with agitator tank 10, dosing tank 11's inlet passes through the pipeline intercommunication with three way connection b 12's first interface all, three way connection b 12's second way interface passes through the pipeline intercommunication with ion water pipe network.
Be equipped with feed inlet, slag notch and liquid outlet on the pressure filter 18, the feed inlet of pressure filter 18 passes through the pipeline intercommunication with the discharge gate of agitator tank 10, the liquid outlet of pressure filter 18 passes through the pipeline intercommunication with second centrifuge 15's feed inlet to still be connected with third thick liquids pump 16 on the pipeline, second centrifuge 15's first export passes through the pipeline intercommunication with three way connection b 12's third route interface, and still be connected with power pump 13 on the pipeline, second centrifuge 15's second export is used for discharging the sump oil.
The working steps are as follows: firstly, the oil sludge in the oil sludge pool 1 is lifted into the vibrating screen 3 by the conveying mechanism 2, the oil sludge is screened into liquid oil sludge and blocky oil sludge by the vibrating screen 3, the blocky oil sludge is conveyed to the crusher 5 by the conveyor belt 4 and crushed into oil sludge, the oil sludge is conveyed to the first centrifuge 7 again, the slag and the liquid oil sludge are separated by the first centrifuge 7, the separated slag is discharged and then is collected and treated, and the separated liquid oil sludge and the liquid oil sludge screened by the vibrating screen enter the stirring tank 10 together to be stirred and homogenized.
The liquid oil sludge is homogenized by the stirring tank 10 and then enters a filter press 18 for filter pressing, wherein the filter press selects a plate-and-frame filter press with a pressing function of not less than 100 kilograms, the filter press 18 presses the liquid oil sludge to produce oil-water mixed liquid and simultaneously isobarically prepares sludge, garbage and gravel in the liquid oil sludge into mud cakes, the oil-water mixed liquid is separated into lower clear liquid and upper dirty oil by a second centrifugal machine 15, the dirty oil is discharged and collected and is treated in a centralized way, and the clear liquid can be added into the ionic water to be used as a solvent of the chemical adding tank 11.
The utility model has the advantages that: the utility model discloses a shale shaker 3 separates into liquid fatlute and cubic fatlute with fatlute, and wherein cubic fatlute is smashed and centrifugal treatment, and the liquid fatlute that separates through centrifugal treatment and the 3 sieve divisions of shale shaker together get into agitator tank 10 homogenizes to can improve the rate of recovery of sump oil in the fatlute and reduce the output of slag charge in the fatlute.
The homogenized liquid oil sludge is subjected to pressure filtration by a filter press 18 to form a sludge cake, the sludge cake is dried in the sun to form powder, so that a large amount of reduction treatment is carried out on the oil sludge in the oil sludge pool, in addition, oil-water mixed liquid subjected to pressure filtration is subjected to centrifugal separation to form clear liquid and dirty oil, the dirty oil is discharged and collected, the clear liquid is added into the ionized water to be used as a solvent of a medicine adding tank 11, wherein the volume ratio of the ionized water to the clear liquid is 7:3, and the mixed solvent in the ratio can not only completely dissolve medicines, but also save the using amount of the ionized water by 30%.
Example 2
The embodiment is further optimized on the basis of embodiment 1, and specifically comprises the following steps:
be connected with first buffer tank 17 on the pipeline between the liquid outlet of pressure filter 18 and the feed inlet of second centrifuge 15, through first buffer tank 17 to carrying out balanced pressure and flow between pressure filter 18 and the second centrifuge 15, still be connected with second buffer tank 14 on the pipeline between second centrifuge 15 and three way connection b12, through second buffer tank 14 to carrying out balanced pressure and flow between second centrifuge 15 and the jar 11 that adds medicine.
In addition, a chemical adding port for adding alkali liquor or acid liquor is also arranged on the second buffer tank 14, and is used for adjusting the pH value of the clear liquid, so that the acidic or alkaline clear liquid can be used as the solvent of the chemical adding tank 11 after the pH value is adjusted.
Example 3
The embodiment is further optimized on the basis of embodiment 1 or embodiment 2, and specifically includes:
referring to fig. 2, a steam hood 20 is fixedly connected to a screen 19 of the vibrating screen, a coil 21 is fixed to the inner top surface of the steam hood 20, an inlet 23 end of the coil 21 extends out of the steam hood 20 to be communicated with the steam pipe network through a metal corrugated hose, and a plurality of air outlets 22 are formed in the wall of the coil 21, which is an outlet of the coil 21.
By adding the steam hood 20 and the coil 21, large-area steam air sweeping can be generated on the oil sludge on the screen of the vibrating screen, the fluidity of the oil sludge can be increased, and the screening efficiency can be further improved.
The present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge range of those skilled in the art without departing from the spirit of the present invention, and the changed contents still belong to the protection scope of the present invention.
Claims (7)
1. The oil field oily sludge reduction treatment device is characterized in that: comprises a sludge tank, a vibrating screen, a crusher, a conveyor belt, a first centrifuge, a second centrifuge, a three-way joint a, a three-way joint b, a stirring tank, a dosing tank and a filter press;
the vibrating screen is provided with a feeding hole, a slag hole and a liquid outlet, a conveying mechanism is arranged between the feeding hole of the vibrating screen and the oil sludge pool, the liquid outlet of the vibrating screen is communicated with a first path interface of the three-way joint a through a pipeline, the crusher is provided with a feeding hole and a discharging hole, and the feeding hole of the crusher and the slag hole of the vibrating screen are conveyed through a conveying belt;
the first centrifuge and the second centrifuge are respectively provided with a feed inlet, a first outlet and a second outlet, the feed inlet of the first centrifuge is communicated with the discharge outlet of the crusher through a pipeline, the pipeline is also connected with a first slurry pump, and the first outlet of the first centrifuge is communicated with the second channel port of the three-way joint a through a pipeline;
the mixing tank is provided with a feed inlet, a discharge outlet and a dosing port, the feed inlet of the mixing tank is communicated with a third path interface of the three-way joint a through a pipeline, the pipeline is also connected with a second slurry pump, the dosing tank is provided with a liquid inlet and a liquid outlet, the liquid outlet of the dosing tank is communicated with the dosing port of the mixing tank through a pipeline, the liquid inlet of the dosing tank is communicated with a first path interface of the three-way joint b through a pipeline, and a second path interface of the three-way joint b is communicated with the ionic water pipe network through a pipeline;
the filter press is provided with a feed inlet, a slag outlet and a liquid outlet, the feed inlet of the filter press is communicated with the discharge outlet of the stirring tank through a pipeline, the liquid outlet of the filter press is communicated with the feed inlet of the second centrifugal machine through a pipeline, and is further connected with a third slurry pump, the first outlet of the second centrifugal machine is communicated with the third path interface of the three-way joint b through a pipeline, and the pipeline is further connected with a power pump.
2. The oil field oily sludge reduction treatment device according to claim 1, which is characterized in that: the conveying mechanism is a crane grab bucket, a hoist grab bucket or a loader.
3. The oil field oily sludge reduction treatment device according to claim 1, which is characterized in that: and a first buffer tank is connected to the pipeline between the filter press and the second centrifuge.
4. The oil field oily sludge reduction treatment device according to claim 3, which is characterized in that: and a second buffer tank is also connected to the pipeline between the second centrifugal machine and the tee joint b.
5. The oil field oily sludge reduction treatment device according to claim 4, which is characterized in that: and the second buffer tank is also provided with a medicine adding port for adding alkali liquor or acid liquor.
6. The oil field oily sludge reduction treatment device according to claim 1, which is characterized in that: the steam screen is characterized in that a steam cover is fixedly installed on a screen mesh of the vibrating screen, a coil pipe is fixed on the inner top surface of the steam cover, the inlet end of the coil pipe extends out of the steam cover and is communicated with the steam pipe mesh through a pipeline, and the outlet end of the coil pipe is provided with a plurality of air outlet holes in the pipe wall.
7. The oil field oily sludge reduction treatment device according to claim 6, which is characterized in that: the pipeline connected between the coil pipe and the steam pipeline is a metal corrugated hose.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020381113.1U CN211814056U (en) | 2020-03-24 | 2020-03-24 | Oil field oiliness mud decrement processing apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020381113.1U CN211814056U (en) | 2020-03-24 | 2020-03-24 | Oil field oiliness mud decrement processing apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113698069A (en) * | 2021-10-29 | 2021-11-26 | 国能龙源环保有限公司 | Blending combustion system and blending combustion method for cooperatively treating oily sludge in coal-fired power plant |
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2020
- 2020-03-24 CN CN202020381113.1U patent/CN211814056U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113698069A (en) * | 2021-10-29 | 2021-11-26 | 国能龙源环保有限公司 | Blending combustion system and blending combustion method for cooperatively treating oily sludge in coal-fired power plant |
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