CN112499928A - Oily sludge deoiling, dewatering and decrement treatment device - Google Patents
Oily sludge deoiling, dewatering and decrement treatment device Download PDFInfo
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- CN112499928A CN112499928A CN202110078736.0A CN202110078736A CN112499928A CN 112499928 A CN112499928 A CN 112499928A CN 202110078736 A CN202110078736 A CN 202110078736A CN 112499928 A CN112499928 A CN 112499928A
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- oil
- sludge
- treatment device
- deoiling
- homogenizing tank
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
Abstract
The invention discloses an oil-containing sludge deoiling, dehydrating and reducing treatment device, which comprises an oil sludge pool, a slurry pump, a homogenizing tank, a squeezing mechanism, a crushing mechanism and a drying mechanism, wherein the oil sludge pool is arranged in the oil sludge pool; the mud pump is arranged in the oil sludge pool and used for conveying oil sludge into the homogenizing tank through a pipeline, a discharge port of the homogenizing tank is connected with a feed port of the squeezing mechanism through a pipeline, a liquid outlet and a solid outlet are arranged on the squeezing machine, the solid outlet is connected with a feed port of the crushing mechanism, and a discharge port of the crushing mechanism is connected with a feed port of the drying mechanism; be equipped with deoiling mechanism in the homogeneity jar, deoiling mechanism includes overflow launder and air intake coil pipe, and overflow launder fixed mounting still is equipped with the oil extraction pipeline with the overflow launder intercommunication in the intracavity upper end of homogeneity jar on the homogeneity jar, and air intake coil pipe fixed mounting is equipped with a plurality of ventholes in the intracavity bottom of homogeneity jar on the air intake coil pipe. The invention can efficiently carry out decrement treatment on the oily sludge and can effectively avoid the fault of blocking the filter cloth of the squeezing mechanism or breaking the filter cloth in the treatment process.
Description
Technical Field
The invention relates to the technical field of sludge reduction, in particular to a deoiling, dehydrating and reducing treatment device for oily sludge.
Background
In both oil extraction and oil refining processes, a large amount of sludge is produced, the sludge is generally dug and stored in situ, and the reduction treatment is generally required firstly because the yield of the sludge is excessive.
At present, the reduction treatment mainly comprises two types, one is to evaporate the water in the oil sludge to dryness by heating to reduce the weight, so as to form the oil sludge block, but in the work, the heat required for evaporating the water of the oil sludge to dryness is too high, the period is too long, the treatment cost is too high, the efficiency is low, and the oil sludge cannot be treated in batches.
The other method is to carry out dry-wet separation in a filter pressing mode, although the method can reduce the amount of the oil sludge, in the work, the dirty oil is found to block the filter cloth after entering the filter cloth when the oil sludge contains much dirty oil, and even the filter cloth is directly broken under the action of pressure, so that the cost for replacing the filter cloth is quite high, in addition, the humidity of the filter-pressed mud cake is quite high, and the storage and the transportation are quite inconvenient.
Disclosure of Invention
The invention aims to provide a deoiling, dewatering and reduction treatment device for oily sludge, which has a reasonable structure, can efficiently perform reduction treatment on the oily sludge, and can effectively avoid the fault of blocking filter cloth of a squeezing mechanism or breaking the filter cloth in the treatment process.
The technical scheme of the invention is as follows:
an oily sludge deoiling, dehydrating and reducing treatment device comprises an oily sludge pool, a slurry pump, a homogenizing tank, a squeezing mechanism, a crushing mechanism and a drying mechanism;
the mud pump is fixedly arranged in the oil sludge pool and used for conveying oil sludge into the homogenizing tank through a pipeline, a discharge port of the homogenizing tank is connected with a feed port of the squeezing mechanism through a pipeline, the squeezing mechanism is provided with a liquid outlet and a solid outlet, the solid outlet is connected with a feed port of the crushing mechanism, and a discharge port of the crushing mechanism is connected with a feed port of the drying mechanism;
the oil removing device is characterized in that an oil removing mechanism is arranged in the homogenizing tank and comprises an overflow groove and an air inlet coil pipe, the overflow groove is fixedly mounted at the upper end of the inner cavity of the homogenizing tank, an oil discharging pipeline communicated with the overflow groove is further arranged on the homogenizing tank, the air inlet coil pipe is fixedly mounted at the bottom of the inner cavity of the homogenizing tank, and a plurality of air outlet holes are formed in the air inlet coil pipe.
Preferably, a first conveyor belt is arranged below the solid outlet of the squeezing mechanism and is connected with the feeding hole of the crushing mechanism through the first conveyor belt.
Preferably, the discharge hole of the crushing mechanism is connected with the feed inlet of the drying mechanism through a second conveyor belt.
Preferably, at least two branches are connected to the liquid outlet of the squeezing mechanism, and one branch is connected to the mud pump in the mud pool through a pipeline.
Preferably, a vibrating rod is further installed in the sludge tank, and the vibrating rod is close to the sludge pump.
Preferably, the squeezing mechanism is an ultrahigh pressure squeezing machine.
Preferably, the crushing mechanism is one of a vibration crusher, a hammer crusher, and a roller crusher.
Preferably, the drying mechanism is one of an atmospheric dryer and a vacuum dryer.
Preferably, the mud pump is one of a lift pump and a plunger pump.
Compared with the prior art, the invention has the following advantages:
in the homogenizing process, the oil sludge enters the squeezing mechanism after primary oil removal by the oil removing mechanism, so that on one hand, the solid-liquid separation efficiency can be improved, and more importantly, the oil sludge after primary oil removal enters the squeezing machine again, the fault that the filter cloth is blocked or broken in the squeezing process can be effectively avoided, and therefore efficient and continuous reduction production operation is realized;
the oil sludge is squeezed and then separated into liquid sump oil and a block-shaped mud cake, the block-shaped mud cake is smashed into particles by the smashing mechanism and then enters the drying mechanism, and finally the particles are dried by the drying mechanism to form powdery dust, so that the ton bag can be conveniently used for collection and transportation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. the device comprises a homogenizing tank, 2, an overflow groove, 3, an oil discharge pipeline, 4, a squeezing mechanism, 5, a crushing mechanism, 6, a drying mechanism, 7, an air inlet coil pipe, 8, a liquid outlet, 9, a solid outlet, 10, a first conveying belt, 11, a second conveying belt, 12, an oil sludge pool, 13, a vibrating rod, 14 and a sludge pump.
Detailed Description
The invention is further illustrated below with reference to the figures and examples.
Example 1
Referring to fig. 1, the oil-containing sludge deoiling, dewatering and decrement treatment device comprises an oil sludge pool 12, a mud pump 14, a homogenizing tank 1, a squeezing mechanism 4, a crushing mechanism 5 and a drying mechanism 6.
The mud pump 14 is fixedly arranged in the oil mud pool 12 and used for delivering liquid into the homogenizing tank 1 through a pipeline, the discharge port of the homogenizing tank 1 is connected with the feed port of the squeezing mechanism 4 through a pipeline, and the squeezing mechanism 4 is provided with a liquid outlet 8 and a solid outlet 9.
A first conveyor belt 10 is arranged below the solid outlet 9 of the squeezing mechanism 4 and is connected with the feeding hole of the crushing mechanism 5 through the first conveyor belt 10.
The discharge hole of the crushing mechanism 5 is connected with the feed inlet of the drying mechanism 6 through a second conveyor belt 11.
An oil removing mechanism is arranged in the homogenizing tank 1 and comprises an overflow groove 2 and an air inlet coil pipe 7.
The overflow groove 2 is fixedly arranged at the upper end of the inner cavity of the homogenizing tank 1, the homogenizing tank 1 is further provided with an oil discharge pipeline 3 communicated with the overflow groove 2, the air inlet coil pipe 7 is fixedly arranged at the bottom of the inner cavity of the homogenizing tank 1, and the air inlet coil pipe 7 is provided with a plurality of air outlet holes.
In this embodiment, the squeezing mechanism 4 is preferably an ultra-high pressure squeezing machine, the squeezing machine and the homogenizing tank 1 are matched to separate solid and liquid more efficiently, the crushing mechanism 5 is one of a vibration crusher, a hammer crusher and a roller crusher, the drying mechanism 6 is one of an atmospheric pressure dryer and a vacuum dryer, and the mud pump 14 is one of a lift pump and a plunger pump.
The working process is as follows:
firstly, pumping oil sludge from an oil sludge pool 12 into a homogenizing tank 1 through a mud pump 14, then adding medicine into the oil sludge for homogenizing by using the homogenizing tank 1, introducing steam or compressed air into the homogenizing tank 1 by using an air inlet coil pipe 7, discharging the steam from an air outlet of the air inlet coil pipe 7 to form dense small bubbles, floating dirty oil in the oil sludge to the upper layer of the liquid level of the oil sludge carried by the bubbles, then enabling the broken dirty oil of the bubbles to enter an overflow groove 2, and then discharging and collecting the broken dirty oil through an oil discharge pipeline 3;
in the homogenizing process, the oil sludge enters the squeezing mechanism 4 after primary oil removal by the oil removing mechanism, so that on one hand, the solid-liquid separation efficiency can be improved, and more importantly, the oil sludge after primary oil removal enters the squeezing mechanism 4, the fault that the filter cloth is blocked or broken in the squeezing process can be effectively avoided, and therefore efficient and continuous reduction production operation is realized;
the oil sludge is squeezed and then separated into liquid sump oil and a block-shaped mud cake, the block-shaped mud cake is smashed into particles by the smashing mechanism 5 and then enters the drying mechanism 6, and finally the dust is dried into powder through the drying mechanism 6, so that the ton bag can be conveniently used for collection and transportation.
Example 2
The embodiment is further optimized on the basis of embodiment 1, and specifically comprises the following steps:
at least two branches are connected to the liquid outlet 8 of the squeezing mechanism 4, and one branch is connected to a slurry pump 14 in the slurry tank 12 through a pipeline.
The dirty oil squeezed by the squeezing mechanism 4 is divided into two paths, one path is used for recycling and collecting, and the other path is used for returning to the oil sludge pool 12, so that the oil sludge in the oil sludge pool 12 can be diluted, the flowability of the oil sludge is increased, and the mud pump 14 can convey more smoothly.
Example 3
The embodiment is further optimized on the basis of the embodiment 2, and specifically comprises the following steps:
a vibrating rod 13 is also mounted in the oil mud sump 12, and the vibrating rod 13 is close to a mud pump 14.
Can transfer rare to fatlute through increasing vibrating spear 13 in 14 mouths of slush pump, make 14 liquid extractions of slush pump more smooth, the dirty oil cooperation through vibrating spear 13 and squeezing mechanism 4 backward flow in addition further improves the even mixed efficiency of adjusting rare of dirty oil and fatlute.
Claims (9)
1. The deoiling, dewatering and decrement treatment device for the oily sludge is characterized in that: comprises an oil sludge pool, a slurry pump, a homogenizing tank, a squeezing mechanism, a crushing mechanism and a drying mechanism;
the mud pump is fixedly installed in the oil sludge pool and used for conveying oil sludge into the homogenizing tank through a pipeline, a discharge port of the homogenizing tank is connected with a feed port of the squeezing mechanism through a pipeline, a liquid outlet and a solid outlet are formed in the squeezing mechanism, the solid outlet is connected with a feed port of the crushing mechanism, and a discharge port of the crushing mechanism is connected with a feed port of the drying mechanism.
The oil removing device is characterized in that an oil removing mechanism is arranged in the homogenizing tank and comprises an overflow groove and an air inlet coil pipe, the overflow groove is fixedly mounted at the upper end of the inner cavity of the homogenizing tank, an oil discharging pipeline communicated with the overflow groove is further arranged on the homogenizing tank, the air inlet coil pipe is fixedly mounted at the bottom of the inner cavity of the homogenizing tank, and a plurality of air outlet holes are formed in the air inlet coil pipe.
2. The oil-containing sludge deoiling, dewatering and reduction treatment device according to claim 1, characterized in that: and a first conveying belt is arranged below a solid outlet of the squeezing mechanism and is connected with a feed inlet of the crushing mechanism through the first conveying belt.
3. The oil-containing sludge deoiling, dewatering and reduction treatment device according to claim 1, characterized in that: and the discharge hole of the crushing mechanism is connected with the feed inlet of the drying mechanism through a second conveyor belt.
4. The oil-containing sludge deoiling, dewatering and reduction treatment device according to claim 1, characterized in that: and the liquid outlet of the squeezing mechanism is connected with at least two branches, and one branch is connected to a mud pump in the oil sludge pool through a pipeline.
5. The oil-containing sludge deoiling, dewatering and reduction treatment device according to claim 4, characterized in that: and a vibrating rod is further installed in the oil sludge pool and is close to the mud pump.
6. The oil field oily sludge reduction treatment device according to claim 1, which is characterized in that: the squeezing mechanism is an ultrahigh pressure squeezer.
7. The oil-containing sludge deoiling, dewatering and reduction treatment device according to claim 1, characterized in that: the crushing mechanism is one of a vibration crusher, a hammer crusher and a roller crusher.
8. The oil-containing sludge deoiling, dewatering and reduction treatment device according to claim 1, characterized in that: the drying mechanism is one of a normal pressure dryer and a vacuum dryer.
9. The oil field oily sludge reduction treatment device according to claim 1, which is characterized in that: the mud pump is one of a lift pump and a plunger pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110078736.0A CN112499928A (en) | 2021-01-21 | 2021-01-21 | Oily sludge deoiling, dewatering and decrement treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110078736.0A CN112499928A (en) | 2021-01-21 | 2021-01-21 | Oily sludge deoiling, dewatering and decrement treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN112499928A true CN112499928A (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110078736.0A Pending CN112499928A (en) | 2021-01-21 | 2021-01-21 | Oily sludge deoiling, dewatering and decrement treatment device |
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| CN (1) | CN112499928A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115304228A (en) * | 2022-09-15 | 2022-11-08 | 河南东和机械设备有限公司 | Treatment process of oily hazardous waste |
-
2021
- 2021-01-21 CN CN202110078736.0A patent/CN112499928A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115304228A (en) * | 2022-09-15 | 2022-11-08 | 河南东和机械设备有限公司 | Treatment process of oily hazardous waste |
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