CN207726939U - A kind of oil field settling tank sludge treatment equipment - Google Patents
A kind of oil field settling tank sludge treatment equipment Download PDFInfo
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- CN207726939U CN207726939U CN201721887675.8U CN201721887675U CN207726939U CN 207726939 U CN207726939 U CN 207726939U CN 201721887675 U CN201721887675 U CN 201721887675U CN 207726939 U CN207726939 U CN 207726939U
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- sludge
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- water
- settling tank
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Abstract
The utility model is related to oil field sludge processing technology field more particularly to a kind of oil field settling tank sludge treatment equipments.The processing unit includes regulating device, coagulation device, chemicals dosing plant, centrifugal device, sludge retracting device, buffer unit, air-floating apparatus, filter device, outer water delivery tank and oil storage tank；The sludge in oil field sludge settling tank in the utility model enters regulating device by screw pump and is pre-processed, pretreated sludge passes in and out coagulation device, medicament, which is added, toward coagulation device using chemicals dosing plant makes sludge predrainage, and the sludge after dosing enters centrifugal device and is separated by solid-liquid separation.Solid phase enters sludge retracting device.Oily wastewater enters the floating progress water-oil separating of vapour.Sump oil enters oil storage tank, and sewage, which enters filter device, makes sewage reach level-one B discharge standards.Finally sewage is up to standard is sent to multi-purpose station sewage disposal system.
Description
Technical field
The utility model is related to oil field sludge processing technology fields more particularly to a kind of oil field settling tank Treatment of Sludge to fill
It sets.
Background technology
Currently, due to continuous operation for many years, a large amount of height that cause to have deposited in tank body contain sewage precipitation tank in field joint stations
Sewage sludge, annual each Sewage Disposal are required to different degrees of manual cleaning and outward transport, expend a large amount of manpower and materials money
Source, and operation and environment in station are had some impact on.
With deeply developing for oil field, Produced Liquid physicochemical property changes, the high molecular polymer of injection, surface-active
Agent etc. causes water-oil separating, suspended solid separating difficulty big.Mud viscosity is high in the tank of accumulation for a long time, and density contrast is small, is easy
The service life for shortening equipment, causes the waste of the energy.
Invention content
（One）Technical problems to be solved
The utility model provides a kind of oil field settling tank sludge treatment equipment, dirty in settling tank in the prior art to overcome
The inefficiency of mud processing, the defects of leading to waste of energy, pollute the environment.
（Two）Technical solution
To solve the above problems, the utility model provides a kind of oil field settling tank sludge treatment equipment, including：Adjust dress
Set, coagulation device, chemicals dosing plant, centrifugal device, sludge retracting device, buffer unit, air-floating apparatus, filter device, outer water delivery
Tank and oil storage tank；
Wherein, the regulating device, coagulation device, chemicals dosing plant are a skid structure, and the centrifugal device, sludge return
Receiving apparatus and buffer unit are a skid structure；Air-floating apparatus, filter device, outer water delivery tank and oil storage tank are a skid knot
Structure, each skid structure are installed on the car body；
The regulating device import is equipped with sludge screw pump；Sludge in settling tank is set to be pumped into adjusting dress by sludge screw pump
It is pre-processed in setting；
The efficient demulsifying flocculant of water-in-water emulsion type, which is added, and react into coagulation device by chemicals dosing plant makes sludge
Predrainage, the sludge after reaction enter centrifugal device and are separated by solid-liquid separation, and the solid isolated enters the outward transport of sludge retracting device
Sludge treating stations are gone to handle；
The liquid phase oily wastewater isolated is flowed by gravity flow in buffer unit；
Sewage in buffer unit enters in air-floating apparatus the sump oil further removed in separation water, separation by screw pump
Water enters filter device by elevator pump and is filtered, and water outlet enters outer water delivery tank using overbottom pressure, and sump oil is entered by screw pump
Oil storage tank.
Preferably, pH adjusting agent is added in the regulating device, sludge pH is adjusted.
Preferably, air dissolved pump and automatic wiping Slag Scraping Device are equipped in the air-floating apparatus.
（Three）Advantageous effect
Settling tank sludge treatment equipment in oil field provided by the utility model not only has reasonable in design and Treatment of Sludge
Substantially innoxious and opposite the characteristics of reducing equipment investment, energy saving, human resources, and run in equipment use it is easy,
Easily operated, equipment moves flexible and easy maintenance.
Description of the drawings
Fig. 1 is the utility model oil field settling tank sludge treatment equipment structural schematic diagram.
Wherein：
1：Regulating device；2：Coagulation device；3：Chemicals dosing plant；4：Centrifugal device；5：Sludge retracting device；6：Buffering dress
It sets；7：Air-floating apparatus；8：Filter device；9：Outer water delivery tank；10：Oil storage tank.
Specific implementation mode
The utility model is described in detail with reference to the accompanying drawings and embodiments as follows.
As shown in Figure 1, settling can processing equipment schematic diagram, oil field sludge settling tank processing dress for this practicality oil field sludge
Set including：Regulating device 1, coagulation device 2, chemicals dosing plant 3, centrifugal device 4, sludge retracting device 5, buffer unit 6, air supporting dress
Set 7, filter device 8, outer water delivery tank 9 and oil storage tank 10；
Wherein, regulating device 1, coagulation device 2, chemicals dosing plant 3 are a skid structure, and the centrifugal device 4, sludge return
Receiving apparatus 5 and buffer unit 6 are a skid structure；Air-floating apparatus 7, filter device 8, outer water delivery tank 9 and oil storage tank 10 are one
A skid structure, each skid structure are installed on the car body, are easy to transport and facilitate processing.Add in the regulating device 1
Enter pH adjusting agent, sludge pH is adjusted.Air dissolved pump and automatic wiping Slag Scraping Device are equipped in the air-floating apparatus.
1 import of the regulating device is equipped with sludge screw pump；Sludge in settling tank is set to be pumped into adjusting by sludge screw pump
It is pre-processed in device 1；Be added into coagulation device 2 by chemicals dosing plant 3 the efficient demulsifying flocculant of water-in-water emulsion type into
Row reaction makes sludge predrainage, and the sludge after reaction enters centrifugal device and is separated by solid-liquid separation, and the solid isolated enters sludge
The outward transport of retracting device 5 goes sludge treating stations to handle；The liquid phase oily wastewater isolated is flowed by gravity flow in buffer unit 6；It is slow
Sewage in flushing device 6 enters in air-floating apparatus 7 sump oil further removed in separation water by screw pump, and separation water is by carrying
It rises pump to be filtered into filter device, water outlet enters outer water delivery tank using overbottom pressure, and sump oil enters oil storage tank by screw pump.
Sludge in oil field sludge settling tank is entered regulating device 1 by screw pump to pre-process, in regulating device
Middle addition pH adjusting agent, 7.5 or so are adjusted to by sludge pH.Pretreated sludge enters coagulation device by screw pump
2, coagulation device 2 is added the efficient demulsifying flocculant of packet aqueous emulsion type and react by chemicals dosing plant 3 makes sludge predrainage.After dosing
Sludge enters centrifugal device 4 by screw pump and is separated by solid-liquid separation.The solid of separation enters sludge retracting device 5 by screw pump
It is outer to transport to the processing of Treatment of Sludge station.The liquid phase oily wastewater isolated flows into buffer unit 6 by gravity flow.Dirt in buffer unit
Water is directly entered air-floating apparatus processing 7 by screw pump, and further the petroleum substance in removal separation water, sewage are filled with air supporting
Middle dissolved air water mixing is set, dissolved air water equably releases microbubble by release（10-30μm）, oil is attached on minute bubbles,
It climbs up on top of the water with bubble, forms oil slick, float to the upper surface of flotation separation zone.It is blown off, floats by automatic wiping Slag Scraping Device
Oil enters oil storage tank 10 by sump (waste oil) pump, is discharged the runner by special designing, and overflow goes out air-floating apparatus.The water that overflow goes out passes through
Elevator pump enters filter device 8 and is filtered, and filtered water reaches country-level B discharge standards, more than filtered water conservancy is used
It is pressed into outer water delivery tank 9.Multi-purpose station sewage disposal system is transported to by centrifugal pump again.
Settling tank sludge has three high characteristics：The features such as i.e. oil content is high, gum level is high, asphalt content is high,
Belong to ageing oil scope.It needs to reduce the absorption property between oil and solid particle in processing procedure, improves the separation of greasy filth
Effect, and there is higher selectivity in medicament selection and dosage.
Medicament in the utility model chemicals dosing plant uses the efficient demulsifying flocculant of water-in-water emulsion type, traditional flocculant poly-
The method that conjunction technology mostly uses aqueous solution polymerization, aqueous solution polymerization method need complicated consersion unit, high energy consumption, polymerization
Heat loss is uneven in reaction process, and the molecular weight and performance of reaction product are difficult to control.Water-in-water emulsion type is efficiently demulsified
The method that flocculant uses dispersin polymerization, it includes monomer, dispersant, initiator, reaction medium that dispersion polymerization systems, which mainly form,
Deng.Homogeneous nucleation stage in the early stage, initial monomer type and concentration have important shadow to polymer particle size and its distribution
It rings.Monomer can change solvability of the medium to polymer, influence the precipitating critical chain length of oligomer.Initial monomer concentration is got over
Height, medium are stronger to polymer chain and dispersant solvability, and final polymer microballoon volume tends to increase, and Size Distribution becomes
It is wide.The reaction condition and reaction step of dispersin polymerization are more simplified, while having higher reaction efficiency, molecular weight product and product
Matter is easier to control.And graft polymerization technique is utilized, part natural high molecular substance is added in polymerized monomer, flocculant exists
It can slowly degrade in natural environment, reduce the secondary pollution to environment.
It should be noted that the efficient demulsifying flocculant of water-in-water emulsion type is the medicament of comparative maturity in the market, it can be straight
Connect purchase.
The sludge in oil field sludge settling tank in the utility model enters regulating device by screw pump and is pre-processed,
Pretreated sludge passes in and out coagulation device, and medicament, which is added, toward coagulation device using chemicals dosing plant makes sludge predrainage, after dosing
Sludge enter centrifugal device and be separated by solid-liquid separation.Solid phase enters sludge retracting device.Oily wastewater enters air supporting and carries out grease
Separation.Sump oil enters oil storage tank, and sewage, which enters filter device, makes sewage reach level-one B discharge standards.Finally sewage is up to standard is sent to
Multi-purpose station sewage disposal system.Fundamentally solve the problems, such as the difficult separation of oily sludge difficulty demulsification.
Embodiment of above is merely to illustrate the utility model, and is not limitation of the utility model, related technology neck
The those of ordinary skill in domain, in the case where not departing from the spirit and scope of the utility model, can also make a variety of changes and
Modification, therefore all equivalent technical solutions also belong to the scope of the utility model, the scope of patent protection of the utility model is answered
It is defined by the claims.
Claims (3)
1. a kind of oil field settling tank sludge treatment equipment, which is characterized in that including：Regulating device（1）, coagulation device（2）, dosing
Device（3）, centrifugal device（4）, sludge retracting device（5）, buffer unit（6）, air-floating apparatus（7）, filter device（8）, it is outer defeated
Water pot（9）And oil storage tank（10）；
Wherein, the regulating device（1）, coagulation device（2）, chemicals dosing plant（3）For a skid structure, the centrifugal device
（4）, sludge retracting device（5）And buffer unit（6）For a skid structure；Air-floating apparatus（7）, filter device（8）, outer water delivery
Tank（9）And oil storage tank（10）For a skid structure, each skid structure is installed on the car body；
The regulating device import is equipped with sludge screw pump；Sludge in settling tank is set to be pumped into regulating device by sludge screw pump
（1）In pre-processed；
Pass through chemicals dosing plant（3）To coagulation device（2）The efficient demulsifying flocculant of middle addition water-in-water emulsion type, which carries out reaction, makes dirt
Mud predrainage, the sludge after reaction enter centrifugal device（4）It is separated by solid-liquid separation, the solid isolated enters sludge retracting device
（5）Outward transport goes sludge treating stations to handle；
The liquid phase oily wastewater isolated flows into buffer unit by gravity flow（6）In；
Buffer unit（6）Interior sewage enters air-floating apparatus by screw pump（7）In further removal separation water in sump oil, point
Filter device is entered by elevator pump from water（8）It is filtered, water outlet enters outer water delivery tank using overbottom pressure（9）, sump oil passes through spiral shell
Bar pump enters oil storage tank（10）.
2. settling tank sludge treatment equipment in oil field as described in claim 1, which is characterized in that the regulating device（1）In plus
Enter pH adjusting agent, sludge pH is adjusted.
3. settling tank sludge treatment equipment in oil field as described in claim 1, which is characterized in that the air-floating apparatus（7）In set
There are air dissolved pump and automatic wiping Slag Scraping Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721887675.8U CN207726939U (en) | 2017-12-29 | 2017-12-29 | A kind of oil field settling tank sludge treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721887675.8U CN207726939U (en) | 2017-12-29 | 2017-12-29 | A kind of oil field settling tank sludge treatment equipment |
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| Publication Number | Publication Date |
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| CN207726939U true CN207726939U (en) | 2018-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721887675.8U Active CN207726939U (en) | 2017-12-29 | 2017-12-29 | A kind of oil field settling tank sludge treatment equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109384366A (en) * | 2018-10-31 | 2019-02-26 | 四川天宜石油化工工程有限公司 | A kind of sludge deoils purified water treatment device and method |
-
2017
- 2017-12-29 CN CN201721887675.8U patent/CN207726939U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109384366A (en) * | 2018-10-31 | 2019-02-26 | 四川天宜石油化工工程有限公司 | A kind of sludge deoils purified water treatment device and method |
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